package-$(BR2_PACKAGE_KMOD_ALSA) += alsa
package-$(BR2_PACKAGE_KMOD_FUSE) += fuse
package-$(BR2_PACKAGE_KMOD_HOSTAP) += hostap
-package-$(BR2_PACKAGE_KMOD_BCM43XX_STANDALONE) += bcm43xx-standalone
-package-$(BR2_PACKAGE_KMOD_IEEE80211_DSCAPE) += ieee80211-dscape
package-$(BR2_PACKAGE_KMOD_MADWIFI) += madwifi
package-$(BR2_PACKAGE_KMOD_MADWIFI_OLD) += madwifi-old
package-$(BR2_PACKAGE_KMOD_MINI_FO) += mini_fo
package-$(BR2_PACKAGE_KMOD_WLCOMPAT) += wlcompat
package-$(BR2_PACKAGE_KMOD_ZD1211) += zd1211
-bcm43xx-standalone-compile: ieee80211-dscape-compile
wlcompat-compile: base-files-compile
all: compile install
+++ /dev/null
-config BR2_PACKAGE_KMOD_BCM43XX_STANDALONE
- prompt "kmod-bcm43xx-standalone............... Free Broadcom 43xx wireless driver (devicescape stack)"
- tristate
- depends BR2_LINUX_2_6_BRCM
- select BR2_PACKAGE_KMOD_IEEE80211_DSCAPE
- default n
- help
- Free driver for the Broadcom 43xx wireless chipset
- This driver uses the DeviceScape 802.11 stack
-
- http://bcm43xx.berlios.de
-
+++ /dev/null
-# $Id$
-
-include $(TOPDIR)/rules.mk
-include ../../rules.mk
-
-PKG_NAME := bcm43xx-standalone
-PKG_VERSION := 060313
-PKG_RELEASE := 1
-PKG_MD%SUM := 773b26a164a54f0da544764969ca019b
-
-PKG_SOURCE_URL := ftp://bu3sch.de/bcm43xx-snapshots/standalone/bcm43xx/
-PKG_SOURCE := $(PKG_NAME)-$(PKG_VERSION).tar.bz2
-PKG_CAT := bzcat
-
-PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
-
-FIRMWARE_BLOB := wl_apsta-3.130.20.0.o
-FIRMWARE_BLOB_URL := http://downloads.openwrt.org/sources
-FIRMWARE_BLOB_MD5SUM := e08665c5c5b66beb9c3b2dd54aa80cb3
-
-include $(TOPDIR)/package/rules.mk
-
-$(eval $(call PKG_template,KMOD_BCM43XX_DSCAPE,kmod-$(PKG_NAME),$(LINUX_VERSION)-$(BOARD)+0.$(PKG_VERSION)-$(PKG_RELEASE),$(ARCH),kernel ($(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE))))
-
-$(PKG_BUILD_DIR)/.configured:
- touch $@
-
-$(PKG_BUILD_DIR)/fwcutter/.built:
- mkdir -p $(PKG_BUILD_DIR)/fwcutter
- $(CP) ./fwcutter/* $(PKG_BUILD_DIR)/fwcutter/
- $(SCRIPT_DIR)/download.pl "$(PKG_BUILD_DIR)/fwcutter" "$(FIRMWARE_BLOB)" "$(FIRMWARE_BLOB_MD5SUM)" $(FIRMWARE_BLOB_URL)
- $(MAKE) -C $(PKG_BUILD_DIR)/fwcutter
- $(PKG_BUILD_DIR)/fwcutter/fwcutter -w $(PKG_BUILD_DIR)/fwcutter $(PKG_BUILD_DIR)/fwcutter/$(FIRMWARE_BLOB)
- touch $@
-
-$(PKG_BUILD_DIR)/.built: $(PKG_BUILD_DIR)/fwcutter/.built
- $(MAKE) -C "$(LINUX_DIR)" \
- CROSS_COMPILE="$(TARGET_CROSS)" \
- ARCH="$(LINUX_KARCH)" \
- PATH="$(TARGET_PATH)" \
- SUBDIRS="$(PKG_BUILD_DIR)" \
- LINUXINCLUDE="-I$(STAGING_DIR)/usr/include/ieee80211-dscape -I$(LINUX_DIR)/include -DBCM47XX=1" \
- modules
- touch $@
-
-$(IPKG_KMOD_BCM43XX_DSCAPE):
- install -m0755 -d $(IDIR_KMOD_BCM43XX_DSCAPE)/lib/modules/$(LINUX_VERSION)
- install -m0755 -d $(IDIR_KMOD_BCM43XX_DSCAPE)/etc/modules.d
- ( \
- echo 80211; \
- echo rate_control; \
- echo bcm43xx; \
- ) >& $(IDIR_KMOD_BCM43XX_DSCAPE)/etc/modules.d/50-bcm43xx
- $(CP) $(PKG_BUILD_DIR)/*.ko $(IDIR_KMOD_BCM43XX_DSCAPE)/lib/modules/$(LINUX_VERSION)
- install -m0755 -d $(IDIR_KMOD_BCM43XX_DSCAPE)/lib/firmware
- $(CP) $(PKG_BUILD_DIR)/fwcutter/*.fw $(IDIR_KMOD_BCM43XX_DSCAPE)/lib/firmware/
- $(IPKG_BUILD) $(IDIR_KMOD_BCM43XX_DSCAPE) $(PACKAGE_DIR)
+++ /dev/null
-VERSION = 0.0.1
-
-FIRMWARE_INSTALL_DIR ?= /lib/firmware
-
-CC = cc
-PREFIX = /usr/local
-CFLAGS = -std=c99 -O2 -fomit-frame-pointer -Wall -pedantic -D_BSD_SOURCE
-LDFLAGS =
-
-
-OBJECTS = fwcutter.o md5.o
-
-CFLAGS += -DFWCUTTER_VERSION_=$(VERSION)
-
-all: fwcutter
-
-fwcutter: $(OBJECTS)
- $(CC) $(CFLAGS) -o fwcutter $(OBJECTS) $(LDFLAGS)
-
-install: all
- -install -o 0 -g 0 -m 755 fwcutter $(PREFIX)/bin/
-
-clean:
- -rm -f *~ *.o *.orig *.rej *.fw fwcutter
-
-installfw:
- -if ! [ -d $(FIRMWARE_INSTALL_DIR) ]; then mkdir $(FIRMWARE_INSTALL_DIR); fi
- -install -o 0 -g 0 -m 600 bcm43xx_*.fw $(FIRMWARE_INSTALL_DIR)
-
-# dependencies
-fwcutter.o: md5.h fwcutter_list.h
-md5.o: md5.h
+++ /dev/null
-/*
- * firmware cutter for broadcom 43xx wireless driver files
- *
- * Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
- * 2005 Michael Buesch <mbuesch@freenet.de>
- * 2005 Alex Beregszaszi
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-
-
-#include <stdlib.h>
-#include <ctype.h>
-#include <string.h>
-#include <stdio.h>
-
-typedef unsigned char byte;
-
-#define DRIVER_UNSUPPORTED 0x01 /* no support for this driver file */
-#define BYTE_ORDER_BIG_ENDIAN 0x02 /* ppc driver files */
-#define BYTE_ORDER_LITTLE_ENDIAN 0x04 /* x86, mips driver files */
-
-#define MISSING_INITVAL_08 0x10 /* initval 8 is missing */
-#define MISSING_INITVAL_80211_A 0x20 /* initvals 3,7,9,10 (802.11a cards) are empty */
-
-#define FIRMWARE_UCODE_OFFSET 100
-#define FIRMWARE_UNDEFINED 0
-#define FIRMWARE_PCM_4 4
-#define FIRMWARE_PCM_5 5
-#define FIRMWARE_UCODE_2 (FIRMWARE_UCODE_OFFSET + 2)
-#define FIRMWARE_UCODE_4 (FIRMWARE_UCODE_OFFSET + 4)
-#define FIRMWARE_UCODE_5 (FIRMWARE_UCODE_OFFSET + 5)
-#define FIRMWARE_UCODE_11 (FIRMWARE_UCODE_OFFSET + 11)
-
-
-#define fwcutter_stringify_1(x) #x
-#define fwcutter_stringify(x) fwcutter_stringify_1(x)
-#define FWCUTTER_VERSION fwcutter_stringify(FWCUTTER_VERSION_)
-
-#include "md5.h"
-#include "fwcutter_list.h"
-
-
-struct cmdline_args {
- const char *infile;
- const char *postfix;
- const char *target_dir;
- int identify_only;
-};
-
-static struct cmdline_args cmdargs;
-int big_endian_cpu;
-
-
-static void write_little_endian(FILE *f, byte *buffer, int len)
-{
- byte swapbuf[4];
-
- while (len > 0) {
- swapbuf[0] = buffer[3]; swapbuf[1] = buffer[2];
- swapbuf[2] = buffer[1]; swapbuf[3] = buffer[0];
- fwrite(swapbuf, 4, 1, f);
- buffer = buffer + 4;
- len = len - 4;
- }
-}
-
-static void write_big_endian(FILE *f, byte *buffer, int len)
-{
- while (len > 0) {
- fwrite(buffer, 4, 1, f);
- buffer = buffer + 4;
- len = len - 4;
- }
-}
-
-static void write_fw(const char *outfilename, uint8_t flags, byte *data, int len)
-{
- FILE* fw;
- char outfile[2048];
-
- snprintf(outfile, sizeof(outfile),
- "%s/%s", cmdargs.target_dir, outfilename);
-
- fw = fopen(outfile, "w");
- if (!fw) {
- perror(outfile);
- exit(1);
- }
-
- if (flags & BYTE_ORDER_LITTLE_ENDIAN)
- write_little_endian(fw, data, len);
- else if (flags & BYTE_ORDER_BIG_ENDIAN)
- write_big_endian(fw, data, len);
- else
- printf("unknown byteorder...\n");
-
- fflush(fw);
- fclose(fw);
-}
-
-static void write_iv(uint8_t flags, byte *data)
-{
- FILE* fw;
- char ivfilename[2048];
- int i;
-
- for (i = 1; i <= 10; i++) {
-
- if ((flags & MISSING_INITVAL_08) && (i==8)) {
- printf("*****: Sorry, initval08 is not available in driver file \"%s\".\n", cmdargs.infile);
- printf("*****: Extracting firmware from an old driver is bad. Choose a more recent one.\n");
- printf("*****: Luckily bcm43xx driver doesn't include initval08 uploads at the moment.\n");
- printf("*****: But this can be added in the future...\n");
- i++;
- }
-
- snprintf(ivfilename, sizeof(ivfilename),
- "%s/bcm43xx_initval%02d%s.fw",
- cmdargs.target_dir, i, cmdargs.postfix);
- fw = fopen(ivfilename, "w");
-
- if (!fw) {
- perror(ivfilename);
- exit(1);
- }
-
- printf("extracting bcm43xx_initval%02d%s.fw ...\n", i, cmdargs.postfix);
-
- while (1) {
-
- if ((data[0]==0xff) && (data[1]==0xff) && (data[2]==0x00) && (data[3]==0x00)) {
- data = data + 8;
- break;
- }
-
- if (flags & BYTE_ORDER_LITTLE_ENDIAN)
- fprintf(fw, "%c%c%c%c%c%c%c%c",
- data[1], data[0], /* offset */
- data[3], data[2], /* size */
- data[7], data[6], data[5], data[4]); /* value */
- else if (flags & BYTE_ORDER_BIG_ENDIAN)
- fprintf(fw, "%c%c%c%c%c%c%c%c",
- data[0], data[1], /* offset */
- data[2], data[3], /* size */
- data[4], data[5], data[6], data[7]); /* value */
- else {
- printf("unknown byteorder...\n");
- exit(1);
- }
-
- data = data + 8;
- }
- fflush(fw);
- fclose(fw);
- }
-}
-
-static byte* read_file(const char* filename)
-{
- FILE* file;
- long len;
- byte* data;
-
- file = fopen(filename, "rb");
- if (!file) {
- perror(filename);
- exit(1);
- }
- if (fseek(file, 0, SEEK_END)) {
- perror("cannot seek");
- exit(1);
- }
- len = ftell(file);
- fseek(file, 0, SEEK_SET);
- data = malloc(len);
- if (!data) {
- fputs("out of memory\n", stderr);
- exit(1);
- }
- if (fread(data, 1, len, file) != len) {
- perror("cannot read");
- exit(1);
- }
- fclose(file);
- return data;
-}
-
-static void extract_fw(uint8_t fwtype, uint8_t flags, uint32_t pos, uint32_t length)
-{
- byte* filedata;
- char outfile[1024];
-
- switch (fwtype) {
- case FIRMWARE_UCODE_2:
- case FIRMWARE_UCODE_4:
- case FIRMWARE_UCODE_5:
- case FIRMWARE_UCODE_11:
- snprintf(outfile, sizeof(outfile), "bcm43xx_microcode%i%s.fw",
- fwtype - FIRMWARE_UCODE_OFFSET, cmdargs.postfix);
- break;
- case FIRMWARE_PCM_4:
- case FIRMWARE_PCM_5:
- snprintf(outfile, sizeof(outfile), "bcm43xx_pcm%i%s.fw",
- fwtype, cmdargs.postfix);
- break;
- default:
- snprintf(outfile, sizeof(outfile), "bcm43xx_unknown.fw");
- }
-
- if (length > 0) {
- printf("extracting %s ...\n", outfile);
- filedata = read_file(cmdargs.infile);
- write_fw(outfile, flags, filedata + pos, length);
- free(filedata);
- } else {
- printf("*****: Sorry, it's not posible to extract \"%s\".\n", outfile);
- printf("*****: Extracting firmware from an old driver is bad. Choose a more recent one.\n");
-
- switch (fwtype) {
- case FIRMWARE_UCODE_2:
- printf("*****: bcm43xx driver will not work with with core revision 2.\n");
- break;
- case FIRMWARE_UCODE_4:
- printf("*****: bcm43xx driver will not work with with core revision 4.\n");
- break;
- case FIRMWARE_UCODE_5:
- printf("*****: bcm43xx driver will not work with with core revision 5 or higher.\n");
- break;
- case FIRMWARE_UCODE_11:
- printf("*****: Luckily bcm43xx driver doesn't include microcode11 uploads at the moment.\n");
- printf("*****: But this can be added in the future...\n");
- break;
- case FIRMWARE_PCM_4:
- printf("*****: bcm43xx driver will not work with with core revision 4 or smaller.\n");
- break;
- case FIRMWARE_PCM_5:
- printf("*****: bcm43xx driver will not work with with core revision 5 or higher.\n");
- break;
- }
- }
-}
-
-static void extract_iv(uint8_t flags, uint32_t pos)
-{
- byte* filedata;
-
- if (pos > 0) {
- filedata = read_file(cmdargs.infile);
- write_iv(flags, filedata + pos);
- free(filedata);
- }
-}
-
-static void print_banner(void)
-{
- printf("fwcutter " FWCUTTER_VERSION "\n");
-}
-
-static void print_file(const struct file *file)
-{
- printf("%s\t", file->name);
- if (strlen(file->name) < 8)
- printf("\t");
-
- printf("%s\t", file->version);
- if (strlen(file->version) < 8)
- printf("\t");
- if (strlen(file->version) < 16)
- printf("\t");
-
- if (!(file->flags & DRIVER_UNSUPPORTED)) {
- if (file->flags & MISSING_INITVAL_80211_A)
- printf("b/g ");
- else
- printf("a/b/g");
- }
-
- printf(" %s", file->md5);
- printf("\n");
-}
-
-static void print_supported_files(void)
-{
- int i;
-
- print_banner();
- printf("\nExtracting firmware is possible from these binary driver files:\n\n");
- printf("<filename>\t<version>\t <802.11><MD5 checksum>\n\n");
- for (i = 0; i < FILES; i++) {
- if (files[i].flags & DRIVER_UNSUPPORTED)
- continue;
- print_file(&files[i]);
- }
- printf("\n\nExtracting firmware is IMPOSSIBLE from these binary driver files:\n\n");
- printf("<filename>\t<version>\t <MD5 checksum>\n\n");
- for (i = 0; i < FILES; i++) {
- if (!(files[i].flags & DRIVER_UNSUPPORTED))
- continue;
- print_file(&files[i]);
- }
-}
-
-static const struct file * find_file(FILE *fd)
-{
- unsigned char buffer[16384], signature[16];
- struct MD5Context md5c;
- char md5sig[33];
- int i;
-
- MD5Init(&md5c);
- while ((i = (int) fread(buffer, 1, sizeof(buffer), fd)) > 0)
- MD5Update(&md5c, buffer, (unsigned) i);
- MD5Final(signature, &md5c);
-
- snprintf(md5sig, sizeof(md5sig),
- "%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x",
- signature[0], signature[1], signature[2], signature[3],
- signature[4], signature[5], signature[6], signature[7],
- signature[8], signature[9], signature[10], signature[11],
- signature[12], signature[13], signature[14], signature[15]);
-
- for (i = 0; i < FILES; ++i) {
- if (strcasecmp(md5sig, files[i].md5) == 0) {
- if (files[i].flags & DRIVER_UNSUPPORTED) {
- printf("Extracting firmware from this file is IMPOSSIBLE. (too old)\n");
- return 0;
- }
- printf("fwcutter can cut the firmware out of %s\n", cmdargs.infile);
- printf(" filename : %s\n", files[i].name);
- printf(" version : %s\n", files[i].version);
- printf(" MD5 : %s\n\n", files[i].md5);
- if (files[i].flags & MISSING_INITVAL_80211_A) {
- printf("WARNING! This firmware doesn't include support for 802.11a cards.\n");
- printf("WARNING! Use this firmware only for 802.11b/g cards.\n\n");
- }
- return &(files[i]);
- }
- }
- printf("Sorry, the input file is either wrong or not supported by fwcutter.\n");
- printf("I can't find the MD5sum %s :(\n", md5sig);
-
- return 0;
-}
-
-static void get_endianess(void)
-{
- const unsigned char x[] = { 0xde, 0xad, 0xbe, 0xef, };
- const uint32_t *p = (uint32_t *)x;
-
- if (*p == 0xdeadbeef) {
- big_endian_cpu = 1;
- } else if (*p == 0xefbeadde) {
- big_endian_cpu = 0;
- } else {
- printf("Confused: NUXI endian machine??\n");
- exit(-1);
- }
-}
-
-static void print_usage(int argc, char *argv[])
-{
- print_banner();
- printf("\nUsage: %s [OPTION] [driver.sys]\n", argv[0]);
- printf(" -l|--list List supported driver versions\n");
- printf(" -i|--identify Only identify the driver file (don't extract)\n");
- printf(" -w|--target-dir DIR Extract and write firmware to DIR\n");
- printf(" -p|--postfix \".FOO\" Postfix for firmware filenames (.FOO.fw)\n");
- printf(" -v|--version Print fwcutter version\n");
- printf(" -h|--help Print this help\n");
- printf("\nExample: %s bcmwl5.sys\n"
- " to extract the firmware blobs from bcmwl5.sys\n", argv[0]);
-}
-
-#define ARG_MATCH 0
-#define ARG_NOMATCH 1
-#define ARG_ERROR -1
-
-static int do_cmp_arg(char **argv, int *pos,
- const char *template,
- int allow_merged,
- char **param)
-{
- char *arg;
- char *next_arg;
- size_t arg_len, template_len;
-
- arg = argv[*pos];
- next_arg = argv[*pos + 1];
- arg_len = strlen(arg);
- template_len = strlen(template);
-
- if (param) {
- /* Maybe we have a merged parameter here.
- * A merged parameter is "-pfoobar" for example.
- */
- if (allow_merged && arg_len > template_len) {
- if (memcmp(arg, template, template_len) == 0) {
- *param = arg + template_len;
- return ARG_MATCH;
- }
- return ARG_NOMATCH;
- } else if (arg_len != template_len)
- return ARG_NOMATCH;
- *param = next_arg;
- }
- if (strcmp(arg, template) == 0) {
- if (param) {
- /* Skip the parameter on the next iteration. */
- (*pos)++;
- if (*param == 0) {
- printf("%s needs a parameter\n", arg);
- return ARG_ERROR;
- }
- }
- return ARG_MATCH;
- }
-
- return ARG_NOMATCH;
-}
-
-/* Simple and lean command line argument parsing. */
-static int cmp_arg(char **argv, int *pos,
- const char *long_template,
- const char *short_template,
- char **param)
-{
- int err;
-
- if (long_template) {
- err = do_cmp_arg(argv, pos, long_template, 0, param);
- if (err == ARG_MATCH || err == ARG_ERROR)
- return err;
- }
- err = ARG_NOMATCH;
- if (short_template)
- err = do_cmp_arg(argv, pos, short_template, 1, param);
- return err;
-}
-
-static int parse_args(int argc, char *argv[])
-{
- int i, res;
- char *param;
-
- if (argc < 2)
- goto out_usage;
- for (i = 1; i < argc; i++) {
- res = cmp_arg(argv, &i, "--list", "-l", 0);
- if (res == ARG_MATCH) {
- print_supported_files();
- return 1;
- } else if (res == ARG_ERROR)
- goto out;
-
- res = cmp_arg(argv, &i, "--version", "-v", 0);
- if (res == ARG_MATCH) {
- print_banner();
- return 1;
- } else if (res == ARG_ERROR)
- goto out;
-
- res = cmp_arg(argv, &i, "--help", "-h", 0);
- if (res == ARG_MATCH)
- goto out_usage;
- else if (res == ARG_ERROR)
- goto out;
-
- res = cmp_arg(argv, &i, "--identify", "-i", 0);
- if (res == ARG_MATCH) {
- cmdargs.identify_only = 1;
- continue;
- } else if (res == ARG_ERROR)
- goto out;
-
- res = cmp_arg(argv, &i, "--target-dir", "-w", ¶m);
- if (res == ARG_MATCH) {
- cmdargs.target_dir = param;
- continue;
- } else if (res == ARG_ERROR)
- goto out;
-
- res = cmp_arg(argv, &i, "--postfix", "-p", ¶m);
- if (res == ARG_MATCH) {
- cmdargs.postfix = param;
- continue;
- } else if (res == ARG_ERROR)
- goto out;
-
- cmdargs.infile = argv[i];
- break;
- }
-
- if (!cmdargs.infile)
- goto out_usage;
- return 0;
-
-out_usage:
- print_usage(argc, argv);
-out:
- return -1;
-}
-
-int main(int argc, char *argv[])
-{
- FILE *fd;
- const struct file *file;
- int err;
-
- get_endianess();
-
- cmdargs.target_dir = ".";
- cmdargs.postfix = "";
- err = parse_args(argc, argv);
- if (err == 1)
- return 0;
- else if (err != 0)
- return err;
-
- fd = fopen(cmdargs.infile, "rb");
- if (!fd) {
- fprintf(stderr, "Cannot open input file %s\n", cmdargs.infile);
- return 2;
- }
-
- err = -1;
- file = find_file(fd);
- if (!file)
- goto out_close;
- if (cmdargs.identify_only) {
- err = 0;
- goto out_close;
- }
-
- extract_fw(FIRMWARE_UCODE_2, file->flags, file->uc2_pos, file->uc2_length);
- extract_fw(FIRMWARE_UCODE_4, file->flags, file->uc4_pos, file->uc4_length);
- extract_fw(FIRMWARE_UCODE_5, file->flags, file->uc5_pos, file->uc5_length);
- extract_fw(FIRMWARE_UCODE_11, file->flags, file->uc11_pos, file->uc11_length);
- extract_fw(FIRMWARE_PCM_4, file->flags, file->pcm4_pos, file->pcm4_length);
- extract_fw(FIRMWARE_PCM_5, file->flags, file->pcm5_pos, file->pcm5_length);
- extract_iv(file->flags, file->iv_pos);
-
- err = 0;
-out_close:
- fclose(fd);
-
- return err;
-}
+++ /dev/null
-
-static const struct file {
- const char *name;
- const char *version;
- const char *md5;
- const uint8_t flags;
- const uint32_t iv_pos;
- const uint32_t uc2_pos;
- const uint32_t uc2_length;
- const uint32_t uc4_pos;
- const uint32_t uc4_length;
- const uint32_t uc5_pos;
- const uint32_t uc5_length;
- const uint32_t uc11_pos;
- const uint32_t uc11_length;
- const uint32_t pcm4_pos;
- const uint32_t pcm4_length;
- const uint32_t pcm5_pos;
- const uint32_t pcm5_length;
-} files[] =
-{
- {
- .name = "AppleAirPort2",
- .version = "3.30.15.p3 (3.1.1b2)",
- .md5 = "a8275cc50107a13b5be15d067b2245a0",
- .flags = BYTE_ORDER_BIG_ENDIAN |
- MISSING_INITVAL_08,
- .iv_pos = 0x42550,
- .uc2_pos = 0x45630, .uc2_length = 0x3d88,
- .uc4_pos = 0x493bc, .uc4_length = 0x44a0,
- .uc5_pos = 0x4d860, .uc5_length = 0x4ec0,
- .pcm4_pos = 0x52724, .pcm4_length = 0x478,
- .pcm5_pos = 0x52ba0, .pcm5_length = 0x478,
- },
- {
- .name = "AppleAirPort2",
- .version = "3.30.15.p3 (3.1.2b3)",
- .md5 = "55134c1298abaa85f190331f016d4d36",
- .flags = BYTE_ORDER_BIG_ENDIAN |
- MISSING_INITVAL_08,
- .iv_pos = 0x42c24,
- .uc2_pos = 0x45d04, .uc2_length = 0x3d88,
- .uc4_pos = 0x49a90, .uc4_length = 0x44a0,
- .uc5_pos = 0x4df34, .uc5_length = 0x4ec0,
- .pcm4_pos = 0x52df8, .pcm4_length = 0x478,
- .pcm5_pos = 0x53274, .pcm5_length = 0x478,
- },
- {
- .name = "AppleAirPort2",
- .version = "3.30.15.p7 (3.2)",
- .md5 = "e74e8d2df2e4eb97e28602f3b2dd4647",
- .flags = BYTE_ORDER_BIG_ENDIAN |
- MISSING_INITVAL_08,
- .iv_pos = 0x40efc,
- .uc2_pos = 0x43fdc, .uc2_length = 0x3d88,
- .uc4_pos = 0x47d68, .uc4_length = 0x44a0,
- .uc5_pos = 0x4c20c, .uc5_length = 0x4ec0,
- .pcm4_pos = 0x510d0, .pcm4_length = 0x478,
- .pcm5_pos = 0x5154c, .pcm5_length = 0x478,
- },
- {
- .name = "AppleAirPort2",
- .version = "3.30.15.p8 (3.3b1)", /* 01/19/2004 */
- .md5 = "87c74c55d2501d2e968f8c132e160b6e",
- .flags = BYTE_ORDER_BIG_ENDIAN,
- .iv_pos = 0x41c8c,
- .uc2_pos = 0x43fe4, .uc2_length = 0x3d88,
- .uc4_pos = 0x47d70, .uc4_length = 0x44b2,
- .uc5_pos = 0x4c214, .uc5_length = 0x4ec0,
- .pcm4_pos = 0x510d8, .pcm4_length = 0x478,
- .pcm5_pos = 0x51554, .pcm5_length = 0x478,
- },
- {
- .name = "AppleAirPort2",
- .version = "3.50.37.p4 (3.4.2b1)",
- .md5 = "1739c357ade1d04c9be47e8604afb1c2",
- .flags = BYTE_ORDER_BIG_ENDIAN,
- .iv_pos = 0x4f2b8,
- .uc2_pos = 0x52da0, .uc2_length = 0x3d30,
- .uc4_pos = 0x56ad4, .uc4_length = 0x45c8,
- .uc5_pos = 0x5b0a0, .uc5_length = 0x5500,
- .pcm4_pos = 0x605a4, .pcm4_length = 0x478,
- .pcm5_pos = 0x60a20, .pcm5_length = 0x478,
- },
- {
- .name = "AppleAirPort2",
- .version = "3.50.37.p4 (3.4.3f1)", /* 09/29/2004 */
- .md5 = "c672b8c218c5dc4a55060bdfa9f58a69",
- .flags = BYTE_ORDER_BIG_ENDIAN |
- MISSING_INITVAL_08,
- .iv_pos = 0x4f378,
- .uc2_pos = 0x52e60, .uc2_length = 0x3d30,
- .uc4_pos = 0x56b94, .uc4_length = 0x45c8,
- .uc5_pos = 0x5b160, .uc5_length = 0x5500,
- .pcm4_pos = 0x60664, .pcm4_length = 0x478,
- .pcm5_pos = 0x60ae0, .pcm5_length = 0x478,
- },
- {
- .name = "AppleAirPort2",
- .version = "3.50.37.p4 (3.4.4f5)",
- .md5 = "2c388e3e8ea9310a58cf76a3757e8ccc",
- .flags = BYTE_ORDER_BIG_ENDIAN,
- .iv_pos = 0x4f5f0,
- .uc2_pos = 0x530d8, .uc2_length = 0x3d30,
- .uc4_pos = 0x56e0c, .uc4_length = 0x45c8,
- .uc5_pos = 0x5b3d8, .uc5_length = 0x5500,
- .pcm4_pos = 0x608dc, .pcm4_length = 0x478,
- .pcm5_pos = 0x60d58, .pcm5_length = 0x478,
- },
- {
- .name = "AppleAirPort2",
- .version = "3.50.37.p4 (3.4.4f5)",
- .md5 = "3860545266b554d2955664db55452f5a",
- .flags = BYTE_ORDER_BIG_ENDIAN,
- .iv_pos = 0x4f5f0,
- .uc2_pos = 0x530d8, .uc2_length = 0x3d30,
- .uc4_pos = 0x56e0c, .uc4_length = 0x45c8,
- .uc5_pos = 0x5b3d8, .uc5_length = 0x5500,
- .pcm4_pos = 0x608dc, .pcm4_length = 0x478,
- .pcm5_pos = 0x60d58, .pcm5_length = 0x478,
- },
- {
- .name = "AppleAirPort2",
- .version = "3.50.37.p6 (3.5f1)",
- .md5 = "a62e35ee9956b286c46b145d35bd6e0c",
- .flags = BYTE_ORDER_BIG_ENDIAN,
- .iv_pos = 0x4f9b8,
- .uc2_pos = 0x534a0, .uc2_length = 0x3d30,
- .uc4_pos = 0x571d4, .uc4_length = 0x45c8,
- .uc5_pos = 0x5b7a0, .uc5_length = 0x5500,
- .pcm4_pos = 0x60ca4, .pcm4_length = 0x478,
- .pcm5_pos = 0x61120, .pcm5_length = 0x478,
- },
- {
- .name = "AppleAirPort2",
- .version = "3.50.37.p6 (3.5f1)",
- .md5 = "b6f3d2437c40277c197f0afcf12208e9",
- .flags = BYTE_ORDER_BIG_ENDIAN,
- .iv_pos = 0x4f9b8,
- .uc2_pos = 0x534a0, .uc2_length = 0x3d30,
- .uc4_pos = 0x571d4, .uc4_length = 0x45c8,
- .uc5_pos = 0x5b7a0, .uc5_length = 0x5500,
- .pcm4_pos = 0x60ca4, .pcm4_length = 0x478,
- .pcm5_pos = 0x61120, .pcm5_length = 0x478,
- },
- {
- .name = "AppleAirPort2",
- .version = "3.90.34.0.p11 (400.17)", /* 09/13/2005 (??) */
- .md5 = "ca0f34df2f0bfb8b5cfd83b5848d2bf5",
- .flags = BYTE_ORDER_BIG_ENDIAN |
- MISSING_INITVAL_80211_A,
- .iv_pos = 0x4ff2c, /* A-PHY init vals empty */
- .uc2_pos = 0x5181c, .uc2_length = 0x3f48,
- .uc4_pos = 0x55764, .uc4_length = 0x4df0,
- .uc5_pos = 0x5a554, .uc5_length = 0x57e0,
- .pcm4_pos = 0x5fd34, .pcm4_length = 0x520,
- .pcm5_pos = 0x60254, .pcm5_length = 0x520,
- },
- {
- .name = "AppleAirPort2",
- .version = "3.90.34.0.p11 (400.17)",
- .md5 = "dc3a69aac95c68fe8edc760e39bbb2c9",
- .flags = BYTE_ORDER_BIG_ENDIAN |
- MISSING_INITVAL_80211_A,
- .iv_pos = 0x50efc, /* A-PHY init vals empty */
- .uc2_pos = 0x527ec, .uc2_length = 0x3f48,
- .uc4_pos = 0x56734, .uc4_length = 0x4df0,
- .uc5_pos = 0x5b524, .uc5_length = 0x57e0,
- .pcm4_pos = 0x60d04, .pcm4_length = 0x520,
- .pcm5_pos = 0x61224, .pcm5_length = 0x520,
- },
- {
- .name = "AppleAirPort2",
- .version = "3.90.34.0.p13 (401.2)", /* 07/10/2005 */
- .md5 = "6ecf38e5ab6997c7ec483c0d637f5c68",
- .flags = BYTE_ORDER_BIG_ENDIAN |
- MISSING_INITVAL_80211_A,
- .iv_pos = 0x50fcc, /* A-PHY init vals empty */
- .uc2_pos = 0x528bc, .uc2_length = 0x3f48,
- .uc4_pos = 0x56804, .uc4_length = 0x4df0,
- .uc5_pos = 0x5b5f4, .uc5_length = 0x57e0,
- .pcm4_pos = 0x60dd4, .pcm4_length = 0x520,
- .pcm5_pos = 0x612f4, .pcm5_length = 0x520,
- },
- {
- .name = "AppleAirPort2",
- .version = "3.90.34.0.p16 (404.2)",
- .md5 = "7200d1aef5f413ebc811046d068b40dc",
- .flags = BYTE_ORDER_BIG_ENDIAN |
- MISSING_INITVAL_80211_A,
- .iv_pos = 0x511ec, /* A-PHY init vals empty */
- .uc2_pos = 0x52adc, .uc2_length = 0x3f48,
- .uc4_pos = 0x56a24, .uc4_length = 0x4df0,
- .uc5_pos = 0x5b814, .uc5_length = 0x57f0,
- .pcm4_pos = 0x61004, .pcm4_length = 0x520,
- .pcm5_pos = 0x61524, .pcm5_length = 0x520,
- },
- {
- .name = "AppleAirPort2",
- .version = "3.90.34.0.p16 (404.2)",
- .md5 = "86cc708e8df3b035a1dbea41ac4eb7d2",
- .flags = BYTE_ORDER_BIG_ENDIAN |
- MISSING_INITVAL_80211_A,
- .iv_pos = 0x5021c, /* A-PHY init vals empty */
- .uc2_pos = 0x51b0c, .uc2_length = 0x3f48,
- .uc4_pos = 0x55a54, .uc4_length = 0x4df0,
- .uc5_pos = 0x5a844, .uc5_length = 0x57f0,
- .pcm4_pos = 0x60034, .pcm4_length = 0x520,
- .pcm5_pos = 0x60554, .pcm5_length = 0x520,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.10.8.0", /* 10/04/2002 */
- .md5 = "288923b401e87ef76b7ae2652601ee47",
- .flags = DRIVER_UNSUPPORTED, /* file differs from later ones */
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.10.53.6", /* 04/28/2003 */
- .md5 = "b43c593fd7c2a47cdc40580fe341f674",
- .flags = DRIVER_UNSUPPORTED, /* file differs from later ones */
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.20.23.0", /* 06/13/2003 */
- .md5 = "1b1cf5e962c15abca83d1ef2b3906e2f", /* pcm5 not available, driver is too old */
- .flags = BYTE_ORDER_LITTLE_ENDIAN |
- MISSING_INITVAL_08,
- .iv_pos = 0x2a1d0,
- .uc2_pos = 0x2d228, .uc2_length = 0x3da8,
- .uc4_pos = 0x30fd8, .uc4_length = 0x4470,
- .uc5_pos = 0x35450, .uc5_length = 0x4ba0,
- .pcm4_pos = 0x39ff8, .pcm4_length = 0x478,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.30.15.0", /* 07/17/2003 */
- .md5 = "ebf36d658d0da5b1ea667fa403919c26",
- .flags = BYTE_ORDER_LITTLE_ENDIAN |
- MISSING_INITVAL_08,
- .iv_pos = 0x2c658,
- .uc2_pos = 0x2f738, .uc2_length = 0x3d88,
- .uc4_pos = 0x334c8, .uc4_length = 0x44a0,
- .uc5_pos = 0x37970, .uc5_length = 0x4ec0,
- .pcm4_pos = 0x3c838, .pcm4_length = 0x478,
- .pcm5_pos = 0x3ccb8, .pcm5_length = 0x478,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.40.20.0", /* 09/24/2003 */
- .md5 = "0c3fc803184f6f85e665dd012611225b",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x302f0,
- .uc2_pos = 0x33d88, .uc2_length = 0x3db8,
- .uc4_pos = 0x37b48, .uc4_length = 0x45d8,
- .uc5_pos = 0x3c128, .uc5_length = 0x5050,
- .pcm4_pos = 0x41180, .pcm4_length = 0x478,
- .pcm5_pos = 0x41600, .pcm5_length = 0x478,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.40.25.3", /* 10/28/2003 */
- .md5 = "5e58a3148b98c9f356cde6049435cb21",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x30970,
- .uc2_pos = 0x34408, .uc2_length = 0x3db0,
- .uc4_pos = 0x381c0, .uc4_length = 0x45d0,
- .uc5_pos = 0x3c798, .uc5_length = 0x5050,
- .pcm4_pos = 0x417f0, .pcm4_length = 0x478,
- .pcm5_pos = 0x41c70, .pcm5_length = 0x478,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.40.73.0", /* 06/25/2004 */
- .md5 = "52d67c5465c01913b03b7daca0cc4077",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x37398,
- .uc2_pos = 0x3ae30, .uc2_length = 0x3ff0,
- .uc4_pos = 0x3ee28, .uc4_length = 0x47f0,
- .uc5_pos = 0x43620, .uc5_length = 0x5260,
- .pcm4_pos = 0x48888, .pcm4_length = 0x478,
- .pcm5_pos = 0x48d08, .pcm5_length = 0x478,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.40.100.0", /* 02/07/2004 */
- .md5 = "431195b941dff794f23c2077fcbf8377",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x34d18,
- .uc2_pos = 0x387b0, .uc2_length = 0x3ff0,
- .uc4_pos = 0x3c7a8, .uc4_length = 0x47f0,
- .uc5_pos = 0x40fa0, .uc5_length = 0x5260,
- .pcm4_pos = 0x46208, .pcm4_length = 0x478,
- .pcm5_pos = 0x46688, .pcm5_length = 0x478,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.50.21.11", /* 02/19/2004 */
- .md5 = "ae96075a3aed5c40f1ead477ea94acd7",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x33370,
- .uc2_pos = 0x36e58, .uc2_length = 0x3e00,
- .uc4_pos = 0x3ac60, .uc4_length = 0x4628,
- .uc5_pos = 0x3f290, .uc5_length = 0x5548,
- .pcm4_pos = 0x447e0, .pcm4_length = 0x478,
- .pcm5_pos = 0x44c60, .pcm5_length = 0x478,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.60.7.0", /* 03/22/2004 */
- .md5 = "c5616736df4e83930780dca5795387ca",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3b988,
- .uc2_pos = 0x3f580, .uc2_length = 0x3e08,
- .uc4_pos = 0x43390, .uc4_length = 0x4e58,
- .uc5_pos = 0x481f0, .uc5_length = 0x5608,
- .pcm4_pos = 0x4d800, .pcm4_length = 0x478,
- .pcm5_pos = 0x4dc80, .pcm5_length = 0x478,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.60.7.5", /* 06/07/2004 */
- .md5 = "d2ae116c741c215ef3ef68603db9917f",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3b988,
- .uc2_pos = 0x3f580, .uc2_length = 0x3e08,
- .uc4_pos = 0x43390, .uc4_length = 0x4e58,
- .uc5_pos = 0x481f0, .uc5_length = 0x5608,
- .pcm4_pos = 0x4d800, .pcm4_length = 0x478,
- .pcm5_pos = 0x4dc80, .pcm5_length = 0x478,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.70.12.0", /* 06/02/2004 */
- .md5 = "d409b089370486521d5408baed9bffde",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x39480,
- .uc2_pos = 0x3d0c8, .uc2_length = 0x3e80,
- .uc4_pos = 0x40f50, .uc4_length = 0x4ed0,
- .uc5_pos = 0x45e28, .uc5_length = 0x5680,
- .pcm4_pos = 0x4b4b0, .pcm4_length = 0x478,
- .pcm5_pos = 0x4b930, .pcm5_length = 0x478,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.70.17.0", /* 06/25/2004 */
- .md5 = "d87b4e14e890091d8e64fb5c570cf192",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x39600,
- .uc2_pos = 0x3d248, .uc2_length = 0x3e80,
- .uc4_pos = 0x410d0, .uc4_length = 0x4ed0,
- .uc5_pos = 0x45fa8, .uc5_length = 0x5680,
- .pcm4_pos = 0x4b630, .pcm4_length = 0x478,
- .pcm5_pos = 0x4bab0, .pcm5_length = 0x478,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.70.22.0", /* 10/20/2004 */
- .md5 = "185a6dc6d655dc31c0b228cc94fb99ac",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x39a88,
- .uc2_pos = 0x3d6d0, .uc2_length = 0x3e80,
- .uc4_pos = 0x41558, .uc4_length = 0x4ed0,
- .uc5_pos = 0x46430, .uc5_length = 0x5680,
- .pcm4_pos = 0x4bab8, .pcm4_length = 0x478,
- .pcm5_pos = 0x4bf38, .pcm5_length = 0x478,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.90.41.1", /* 07/04/2005 */
- .md5 = "0a87541dd24c6f046a4bf8f671f74de2",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3bec8,
- .uc2_pos = 0x3fb38, .uc2_length = 0x3f48,
- .uc4_pos = 0x43a88, .uc4_length = 0x4df0,
- .uc5_pos = 0x48880, .uc5_length = 0x57e0,
- .pcm4_pos = 0x4e068, .pcm4_length = 0x520,
- .pcm5_pos = 0x4e590, .pcm5_length = 0x520,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.100.35.0", /* 11/27/2004 */
- .md5 = "c3ab2d6954c7b5103770832a3a6a591b",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3de80,
- .uc2_pos = 0x41af0, .uc2_length = 0x3f58,
- .uc4_pos = 0x45a50, .uc4_length = 0x4df8,
- .uc5_pos = 0x4a850, .uc5_length = 0x57f8,
- .pcm4_pos = 0x50050, .pcm4_length = 0x520,
- .pcm5_pos = 0x50578, .pcm5_length = 0x520,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.100.35.1", /* 02/10/2005 */
- .md5 = "da7ca369a1a3593ceac85dec2d267a08",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3df00,
- .uc2_pos = 0x41b70, .uc2_length = 0x3f58,
- .uc4_pos = 0x45ad0, .uc4_length = 0x4df8,
- .uc5_pos = 0x4a8d0, .uc5_length = 0x57f8,
- .pcm4_pos = 0x500d0, .pcm4_length = 0x520,
- .pcm5_pos = 0x505f8, .pcm5_length = 0x520,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.100.46.0", /* 12/22/2004 */
- .md5 = "38ca1443660d0f5f06887c6a2e692aeb",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3de80,
- .uc2_pos = 0x41af0, .uc2_length = 0x3f58,
- .uc4_pos = 0x45a50, .uc4_length = 0x4df8,
- .uc5_pos = 0x4a850, .uc5_length = 0x57f8,
- .pcm4_pos = 0x50050, .pcm4_length = 0x520,
- .pcm5_pos = 0x50578, .pcm5_length = 0x520,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.100.64.0", /* 02/11/2005 */
- .md5 = "e7debb46b9ef1f28932e533be4a3d1a9",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3e980,
- .uc2_pos = 0x425f0, .uc2_length = 0x3f58,
- .uc4_pos = 0x46550, .uc4_length = 0x4e00,
- .uc5_pos = 0x4b358, .uc5_length = 0x5800,
- .pcm4_pos = 0x50b60, .pcm4_length = 0x520,
- .pcm5_pos = 0x51088, .pcm5_length = 0x520,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.100.64.50", /* 04/05/2005 */
- .md5 = "4b3e367b829b9b2c0c088909a617e04e",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3e900,
- .uc2_pos = 0x42570, .uc2_length = 0x3f58,
- .uc4_pos = 0x464d0, .uc4_length = 0x4e00,
- .uc5_pos = 0x4b2d8, .uc5_length = 0x5800,
- .pcm4_pos = 0x50ae0, .pcm4_length = 0x520,
- .pcm5_pos = 0x51008, .pcm5_length = 0x520,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.100.65.1", /* 04/21/2005 */
- .md5 = "d5f1ab1aab8b81bca6f19da9554a267a",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3e980,
- .uc2_pos = 0x425f0, .uc2_length = 0x3f58,
- .uc4_pos = 0x46550, .uc4_length = 0x4e00,
- .uc5_pos = 0x4b358, .uc5_length = 0x5800,
- .pcm4_pos = 0x50b60, .pcm4_length = 0x520,
- .pcm5_pos = 0x51088, .pcm5_length = 0x520,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.120.27.0", /* 05/19/2005 */
- .md5 = "8d49f11238815a320880fee9f98b2c92",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3f700,
- .uc2_pos = 0x43370, .uc2_length = 0x3f68,
- .uc4_pos = 0x472e0, .uc4_length = 0x4e10,
- .uc5_pos = 0x4c0f8, .uc5_length = 0x5800,
- .pcm4_pos = 0x51900, .pcm4_length = 0x520,
- .pcm5_pos = 0x51e28, .pcm5_length = 0x520,
- },
- {
- .name = "bcmwl5.sys",
- .version = "3.140.16.0", /* 07/21/2005 */
- .md5 = "fa4a4a50b4b2647afedc676cc68c69cc",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3f700,
- .uc2_pos = 0x43370, .uc2_length = 0x3f68,
- .uc4_pos = 0x472e0, .uc4_length = 0x4e10,
- .uc5_pos = 0x4c0f8, .uc5_length = 0x5800,
- .pcm4_pos = 0x51900, .pcm4_length = 0x520,
- .pcm5_pos = 0x51e28, .pcm5_length = 0x520,
- },
- {
- .name = "bcmwl564.sys",
- .version = "3.70.17.5", /* 09/21/2004 */
- .md5 = "f5590c8784b91dfd9ee092d3040b6e40", /* for 64bit machines */
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x566f0,
- .uc2_pos = 0x5a360, .uc2_length = 0x3e80,
- .uc4_pos = 0x5e1f0, .uc4_length = 0x4ed0,
- .uc5_pos = 0x630d0, .uc5_length = 0x5680,
- .pcm4_pos = 0x68760, .pcm4_length = 0x478,
- .pcm5_pos = 0x68be0, .pcm5_length = 0x478,
- },
- {
- .name = "bcmwl564.sys",
- .version = "3.100.64.10", /* 05/12/2005 */
- .md5 = "b8d76da338ecf2c650f5f7ca226ccf89", /* for 64bit machines */
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x50bf0,
- .uc2_pos = 0x54860, .uc2_length = 0x3f58,
- .uc4_pos = 0x587c0, .uc4_length = 0x4e00,
- .uc5_pos = 0x5d5d0, .uc5_length = 0x5800,
- .pcm4_pos = 0x62de0, .pcm4_length = 0x520,
- .pcm5_pos = 0x63310, .pcm5_length = 0x520,
- },
- {
- .name = "bcmwl5a.sys",
- .version = "3.90.16.0", /* 12/06/2004 */
- .md5 = "e6d927deea6c75bddf84080e6c3837b7",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3b4c8,
- .uc2_pos = 0x3f138, .uc2_length = 0x3f48,
- .uc4_pos = 0x43088, .uc4_length = 0x4de8,
- .uc5_pos = 0x47e78, .uc5_length = 0x57d8,
- .pcm4_pos = 0x4d658, .pcm4_length = 0x520,
- .pcm5_pos = 0x4db80, .pcm5_length = 0x520,
- },
- {
- .name = "d11ucode.o",
- .version = "3.31.16.0 ?", /*FIXME: version correct? */
- .md5 = "31e6cac8a8129bf8f91291293e017329",
- .flags = BYTE_ORDER_LITTLE_ENDIAN |
- MISSING_INITVAL_08,
- .iv_pos = 0x40,
- .uc2_pos = 0x3120, .uc2_length = 0x3d88,
- .uc4_pos = 0x6eac, .uc4_length = 0x44a0,
- .uc5_pos = 0xb350, .uc5_length = 0x4ec0,
- .pcm4_pos = 0x10214, .pcm4_length = 0x478,
- .pcm5_pos = 0x10690, .pcm5_length = 0x478,
- },
- {
- .name = "d11ucode.o",
- .version = "3.60.7.0 ? (1.3.2)", /* no version number found */
- .md5 = "7774e5dda1daa2b3f83d279552ca1cc4", /* but same fw files are also */
- .flags = BYTE_ORDER_LITTLE_ENDIAN, /* in bcmwl5.sys 3.60.7.0 */
- .iv_pos = 0x40,
- .uc2_pos = 0x3c38, .uc2_length = 0x3e08,
- .uc4_pos = 0x7a44, .uc4_length = 0x4e58,
- .uc5_pos = 0xc8a0, .uc5_length = 0x5608,
- .pcm4_pos = 0x11eac, .pcm4_length = 0x478,
- .pcm5_pos = 0x12328, .pcm5_length = 0x478,
- },
- {
- .name = "d11ucode.o",
- .version = "3.90.7.0 ? (3.90.RC7)", /* 10/14/2004 */
- .md5 = "b2580361620881b06fa810422ec8b7ce",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x60,
- .uc2_pos = 0x3cd0, .uc2_length = 0x3ec0,
- .uc4_pos = 0x7b94, .uc4_length = 0x4d60,
- .uc5_pos = 0xc8f8, .uc5_length = 0x5750,
- .pcm4_pos = 0x1204c, .pcm4_length = 0x520,
- .pcm5_pos = 0x12570, .pcm5_length = 0x520,
- },
- {
- .name = "d11ucode.o",
- .version = "3.90.37.0",
- .md5 = "2543935259739a8a879ccb8386647ac7",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x60,
- .uc2_pos = 0x3cd0, .uc2_length = 0x3f48,
- .uc4_pos = 0x7c1c, .uc4_length = 0x4df0,
- .uc5_pos = 0xca10, .uc5_length = 0x57e0,
- .pcm4_pos = 0x121f4, .pcm4_length = 0x520,
- .pcm5_pos = 0x12718, .pcm5_length = 0x520,
- },
- {
- .name = "wl.o",
- .version = "3.31.15.0", /* 07/28/2003 */
- .md5 = "a85af65b5ae1d64ee11eab714faab843",
- .flags = BYTE_ORDER_LITTLE_ENDIAN |
- MISSING_INITVAL_08,
- .iv_pos = 0x32270,
- .uc2_pos = 0x35350, .uc2_length = 0x3d88,
- .uc4_pos = 0x390dc, .uc4_length = 0x44a0,
- .uc5_pos = 0x3d580, .uc5_length = 0x4ec0,
- .pcm4_pos = 0x42444, .pcm4_length = 0x478,
- .pcm5_pos = 0x428c0, .pcm5_length = 0x478,
- },
- {
- .name = "wl.o",
- .version = "3.31.15.0", /* 07/28/2003 */
- .md5 = "98dd50a95b02c8bcb3725c770df81dfc",
- .flags = BYTE_ORDER_LITTLE_ENDIAN |
- MISSING_INITVAL_08,
- .iv_pos = 0x32270,
- .uc2_pos = 0x35350, .uc2_length = 0x3d88,
- .uc4_pos = 0x390dc, .uc4_length = 0x44a0,
- .uc5_pos = 0x3d580, .uc5_length = 0x4ec0,
- .pcm4_pos = 0x42444, .pcm4_length = 0x478,
- .pcm5_pos = 0x428c0, .pcm5_length = 0x478,
- },
- {
- .name = "wl.o",
- .version = "3.50.21.0", /* 05/11/2003 */
- .md5 = "f71be0e1d14f68c98d916465a300d835",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x38990,
- .uc2_pos = 0x3c428, .uc2_length = 0x3db8,
- .uc4_pos = 0x401e4, .uc4_length = 0x45d8,
- .uc5_pos = 0x447c0, .uc5_length = 0x5050,
- .pcm4_pos = 0x49814, .pcm4_length = 0x478,
- .pcm5_pos = 0x49c90, .pcm5_length = 0x478,
- },
- {
- .name = "wl.o",
- .version = "3.50.21.10", /* 01/21/2004 */
- .md5 = "191029d5e7097ed7db92cbd6e6131f85",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3a5d0,
- .uc2_pos = 0x3e0b8, .uc2_length = 0x3e00,
- .uc4_pos = 0x41ebc, .uc4_length = 0x4628,
- .uc5_pos = 0x464e8, .uc5_length = 0x5548,
- .pcm4_pos = 0x4ba34, .pcm4_length = 0x478,
- .pcm5_pos = 0x4beb0, .pcm5_length = 0x478,
- },
- {
- .name = "wl.o",
- .version = "3.60.7.0 ? (1.3.2.0)", /* 02/04/2004 */
- .md5 = "7009220d84c445797443aa0221b7d8a4", /* no bcm version found */
- .flags = BYTE_ORDER_LITTLE_ENDIAN, /* but same fw files are also */
- .iv_pos = 0x545e0, /* in bcmwl5.sys 3.60.7.0, */
- .uc2_pos = 0x581d8, .uc2_length = 0x3e08,
- .uc4_pos = 0x5bfe4, .uc4_length = 0x4e58,
- .uc5_pos = 0x60e40, .uc5_length = 0x5608,
- .pcm4_pos = 0x6644c, .pcm4_length = 0x478,
- .pcm5_pos = 0x668c8, .pcm5_length = 0x478,
- },
- {
- .name = "wl.o",
- .version = "3.60.13.0", /* 05/05/2004 */
- .md5 = "275dd4958eb94058d4650f58d534c635",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3b740,
- .uc2_pos = 0x3f388, .uc2_length = 0x3e30,
- .uc4_pos = 0x431bc, .uc4_length = 0x4e80,
- .uc5_pos = 0x48040, .uc5_length = 0x5630,
- .pcm4_pos = 0x4d674, .pcm4_length = 0x478,
- .pcm5_pos = 0x4daf0, .pcm5_length = 0x478,
- },
- {
- .name = "wl.o",
- .version = "3.60.13.0", /* 08/02/2004 */
- .md5 = "4f20653a0b7c0bb3bd1ee0dd79f77785",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3b730,
- .uc2_pos = 0x3f378, .uc2_length = 0x3e30,
- .uc4_pos = 0x431ac, .uc4_length = 0x4e80,
- .uc5_pos = 0x48030, .uc5_length = 0x5630,
- .pcm4_pos = 0x4d664, .pcm4_length = 0x478,
- .pcm5_pos = 0x4dae0, .pcm5_length = 0x478,
- },
- {
- .name = "wl.o",
- .version = "3.90.7.0", /* 14/10/2004 */
- .md5 = "f15b59ad4d6f6ad2c7f45193d033aff8",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x4d890,
- .uc2_pos = 0x51500, .uc2_length = 0x3ec0,
- .uc4_pos = 0x553c4, .uc4_length = 0x4d60,
- .uc5_pos = 0x5a128, .uc5_length = 0x5750,
- .pcm4_pos = 0x5f87c, .pcm4_length = 0x520,
- .pcm5_pos = 0x5fda0, .pcm5_length = 0x520,
- },
- {
- .name = "wl.o",
- .version = "3.90.37.0", /* 15/02/2005 */
- .md5 = "984c42947552652d5ab61b78e7d12227",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x4cf50,
- .uc2_pos = 0x50bc0, .uc2_length = 0x3f48,
- .uc4_pos = 0x54b0c, .uc4_length = 0x4df0,
- .uc5_pos = 0x59900, .uc5_length = 0x57e0,
- .pcm4_pos = 0x5f0e4, .pcm4_length = 0x520,
- .pcm5_pos = 0x5f608, .pcm5_length = 0x520,
- },
- {
- .name = "wl_ap.o",
- .version = "3.31.16.0", /* 08/06/2003 */
- .md5 = "463633e7bf0efc6c0f8eac2514a71024",
- .flags = BYTE_ORDER_LITTLE_ENDIAN |
- MISSING_INITVAL_08,
- .iv_pos = 0x32270,
- .uc2_pos = 0x35350, .uc2_length = 0x3d88,
- .uc4_pos = 0x390dc, .uc4_length = 0x44a0,
- .uc5_pos = 0x3d580, .uc5_length = 0x4ec0,
- .pcm4_pos = 0x42444, .pcm4_length = 0x478,
- .pcm5_pos = 0x428c0, .pcm5_length = 0x478,
- },
- {
- .name = "wl_ap.o",
- .version = "3.90.37.0", /* 15/02/2005 */
- .md5 = "0538296d46a854d2facc9a0db2088180",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3eac0,
- .uc2_pos = 0x42730, .uc2_length = 0x3f48,
- .uc4_pos = 0x4667c, .uc4_length = 0x4df0,
- .uc5_pos = 0x4b470, .uc5_length = 0x57e0,
- .pcm4_pos = 0x50c54, .pcm4_length = 0x520,
- .pcm5_pos = 0x51178, .pcm5_length = 0x520,
- },
- {
- .name = "wl_ap.o",
- .version = "3.90.37.0", /* 15/02/2005 */
- .md5 = "6c9073531a528dd455b716b5e821e696",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x3eac0,
- .uc2_pos = 0x42730, .uc2_length = 0x3f48,
- .uc4_pos = 0x4667c, .uc4_length = 0x4df0,
- .uc5_pos = 0x4b470, .uc5_length = 0x57e0,
- .pcm4_pos = 0x50c54, .pcm4_length = 0x520,
- .pcm5_pos = 0x51178, .pcm5_length = 0x520,
- },
- {
- .name = "wl_apsta.o",
- .version = "3.31.16.0", /* 06/08/2003 */
- .md5 = "22b90e4cbeee45ad7f78ff536c65712a",
- .flags = BYTE_ORDER_LITTLE_ENDIAN |
- MISSING_INITVAL_08,
- .iv_pos = 0x38020,
- .uc2_pos = 0x3b100, .uc2_length = 0x3d88,
- .uc4_pos = 0x3ee8c, .uc4_length = 0x44a0,
- .uc5_pos = 0x43330, .uc5_length = 0x4ec0,
- .pcm4_pos = 0x481f4, .pcm4_length = 0x478,
- .pcm5_pos = 0x48670, .pcm5_length = 0x478,
- },
- {
- .name = "wl_apsta.o",
- .version = "3.31.16.0", /* 06/08/2003 */
- .md5 = "dfce35a8b5cb6e53e1ab75342c7e7194",
- .flags = BYTE_ORDER_LITTLE_ENDIAN |
- MISSING_INITVAL_08,
- .iv_pos = 0x38020,
- .uc2_pos = 0x3b100, .uc2_length = 0x3d88,
- .uc4_pos = 0x3ee8c, .uc4_length = 0x44a0,
- .uc5_pos = 0x43330, .uc5_length = 0x4ec0,
- .pcm4_pos = 0x481f4, .pcm4_length = 0x478,
- .pcm5_pos = 0x48670, .pcm5_length = 0x478,
- },
- {
- .name = "wl_apsta.o",
- .version = "3.90.37.0", /* 15/02/2005 */
- .md5 = "2922e6c48917eacd6c8c094347d2ec4b",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x4ebc0,
- .uc2_pos = 0x52830, .uc2_length = 0x3f48,
- .uc4_pos = 0x5677c, .uc4_length = 0x4df0,
- .uc5_pos = 0x5b570, .uc5_length = 0x57e0,
- .pcm4_pos = 0x60d54, .pcm4_length = 0x520,
- .pcm5_pos = 0x61278, .pcm5_length = 0x520,
- },
- {
- .name = "wl_apsta.o",
- .version = "3.90.37.0", /* 15/02/2005 */
- .md5 = "f9fa565a766e8befeb495a8a8c0c134b",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x4ebc0,
- .uc2_pos = 0x52830, .uc2_length = 0x3f48,
- .uc4_pos = 0x5677c, .uc4_length = 0x4df0,
- .uc5_pos = 0x5b570, .uc5_length = 0x57e0,
- .pcm4_pos = 0x60d54, .pcm4_length = 0x520,
- .pcm5_pos = 0x61278, .pcm5_length = 0x520,
- },
- {
- .name = "wl_apsta.o",
- .version = "3.130.20.0", /* 19/05/2005 */
- .md5 = "e08665c5c5b66beb9c3b2dd54aa80cb3",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x56020,
- .uc2_pos = 0x59ca0, .uc2_length = 0x3fe0,
- .uc4_pos = 0x5dc84, .uc4_length = 0x4e78,
- .uc5_pos = 0x62b00, .uc5_length = 0x5700,
- .uc11_pos = 0x68204, .uc11_length = 0x54a8,
- .pcm4_pos = 0x6d6b0, .pcm4_length = 0x520,
- .pcm5_pos = 0x6dbd4, .pcm5_length = 0x520,
- },
- {
- .name = "wl_sta.o",
- .version = "3.31.16.0", /* 08/06/2003 */
- .md5 = "c3e663cb78b2fc299088de69fc11a9a9",
- .flags = BYTE_ORDER_LITTLE_ENDIAN |
- MISSING_INITVAL_08,
- .iv_pos = 0x317b0,
- .uc2_pos = 0x34890, .uc2_length = 0x3d88,
- .uc4_pos = 0x3861c, .uc4_length = 0x44a0,
- .uc5_pos = 0x3cac0, .uc5_length = 0x4ec0,
- .pcm4_pos = 0x41984, .pcm4_length = 0x478,
- .pcm5_pos = 0x41e00, .pcm5_length = 0x478,
- },
- {
- .name = "wl_sta.o",
- .version = "3.90.37.0", /* 15/02/2005 */
- .md5 = "4631d4d4c3ab943462e1ea24f4dba7bd",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x47040,
- .uc2_pos = 0x4acb0, .uc2_length = 0x3f48,
- .uc4_pos = 0x4ebfc, .uc4_length = 0x4df0,
- .uc5_pos = 0x539f0, .uc5_length = 0x57e0,
- .pcm4_pos = 0x591d4, .pcm4_length = 0x520,
- .pcm5_pos = 0x596f8, .pcm5_length = 0x520,
- },
- {
- .name = "wl_sta.o",
- .version = "3.90.37.0", /* 15/02/2005 */
- .md5 = "bf824b38b3993e0a8b5a9bf717c428ed",
- .flags = BYTE_ORDER_LITTLE_ENDIAN,
- .iv_pos = 0x47040,
- .uc2_pos = 0x4acb0, .uc2_length = 0x3f48,
- .uc4_pos = 0x4ebfc, .uc4_length = 0x4df0,
- .uc5_pos = 0x539f0, .uc5_length = 0x57e0,
- .pcm4_pos = 0x591d4, .pcm4_length = 0x520,
- .pcm5_pos = 0x596f8, .pcm5_length = 0x520,
- },
-};
-
-#define FILES (sizeof(files) / sizeof(files[0]))
+++ /dev/null
-/*
- * This code implements the MD5 message-digest algorithm.
- * The algorithm is due to Ron Rivest. This code was
- * written by Colin Plumb in 1993, no copyright is claimed.
- * This code is in the public domain; do with it what you wish.
- *
- * Equivalent code is available from RSA Data Security, Inc.
- * This code has been tested against that, and is equivalent,
- * except that you don't need to include two pages of legalese
- * with every copy.
- *
- * To compute the message digest of a chunk of bytes, declare an
- * MD5Context structure, pass it to MD5Init, call MD5Update as
- * needed on buffers full of bytes, and then call MD5Final, which
- * will fill a supplied 16-byte array with the digest.
- */
-
-/* Brutally hacked by John Walker back from ANSI C to K&R (no
- prototypes) to maintain the tradition that Netfone will compile
- with Sun's original "cc". */
-/* Ripped out ugly K&R again ;) --mbuesch */
-
-#include <memory.h> /* for memcpy() */
-#include "md5.h"
-
-extern int big_endian_cpu;
-
-/*
- * Note: this code is harmless on little-endian machines,
- * but we return early nevertheless.
- */
-static void byteReverse(unsigned char *buf, unsigned longs)
-{
- uint32_t t;
-
- if (!big_endian_cpu)
- return;
-
- do {
- t = (uint32_t) ((unsigned) buf[3] << 8 | buf[2]) << 16 |
- ((unsigned) buf[1] << 8 | buf[0]);
- *(uint32_t *) buf = t;
- buf += 4;
- } while (--longs);
-}
-
-/* The four core functions - F1 is optimized somewhat */
-
-/* #define F1(x, y, z) (x & y | ~x & z) */
-#define F1(x, y, z) (z ^ (x & (y ^ z)))
-#define F2(x, y, z) F1(z, x, y)
-#define F3(x, y, z) (x ^ y ^ z)
-#define F4(x, y, z) (y ^ (x | ~z))
-
-/* This is the central step in the MD5 algorithm. */
-#define MD5STEP(f, w, x, y, z, data, s) \
- ( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )
-
-/*
- * The core of the MD5 algorithm, this alters an existing MD5 hash to
- * reflect the addition of 16 longwords of new data. MD5Update blocks
- * the data and converts bytes into longwords for this routine.
- */
-static void MD5Transform(uint32_t *buf, uint32_t *in)
-{
- register uint32_t a, b, c, d;
-
- a = buf[0];
- b = buf[1];
- c = buf[2];
- d = buf[3];
-
- MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
- MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
- MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
- MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
- MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
- MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
- MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
- MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
- MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
- MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
- MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
- MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
- MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
- MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
- MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
- MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
-
- MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
- MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
- MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
- MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
- MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
- MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
- MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
- MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
- MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
- MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
- MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
- MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
- MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
- MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
- MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
- MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
-
- MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
- MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
- MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
- MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
- MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
- MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
- MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
- MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
- MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
- MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
- MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
- MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
- MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
- MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
- MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
- MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
-
- MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
- MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
- MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
- MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
- MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
- MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
- MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
- MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
- MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
- MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
- MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
- MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
- MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
- MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
- MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
- MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
-
- buf[0] += a;
- buf[1] += b;
- buf[2] += c;
- buf[3] += d;
-}
-
-/*
- * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
- * initialization constants.
- */
-void MD5Init(struct MD5Context *ctx)
-{
- ctx->buf[0] = 0x67452301;
- ctx->buf[1] = 0xefcdab89;
- ctx->buf[2] = 0x98badcfe;
- ctx->buf[3] = 0x10325476;
-
- ctx->bits[0] = 0;
- ctx->bits[1] = 0;
-}
-
-/*
- * Update context to reflect the concatenation of another buffer full
- * of bytes.
- */
-void MD5Update(struct MD5Context *ctx, unsigned char *buf, unsigned len)
-{
- uint32_t t;
-
- /* Update bitcount */
-
- t = ctx->bits[0];
- if ((ctx->bits[0] = t + ((uint32_t) len << 3)) < t)
- ctx->bits[1]++; /* Carry from low to high */
- ctx->bits[1] += len >> 29;
-
- t = (t >> 3) & 0x3f; /* Bytes already in shsInfo->data */
-
- /* Handle any leading odd-sized chunks */
-
- if (t) {
- unsigned char *p = (unsigned char *) ctx->in + t;
-
- t = 64 - t;
- if (len < t) {
- memcpy(p, buf, len);
- return;
- }
- memcpy(p, buf, t);
- byteReverse(ctx->in, 16);
- MD5Transform(ctx->buf, (uint32_t *) ctx->in);
- buf += t;
- len -= t;
- }
- /* Process data in 64-byte chunks */
-
- while (len >= 64) {
- memcpy(ctx->in, buf, 64);
- byteReverse(ctx->in, 16);
- MD5Transform(ctx->buf, (uint32_t *) ctx->in);
- buf += 64;
- len -= 64;
- }
-
- /* Handle any remaining bytes of data. */
-
- memcpy(ctx->in, buf, len);
-}
-
-/*
- * Final wrapup - pad to 64-byte boundary with the bit pattern
- * 1 0* (64-bit count of bits processed, MSB-first)
- */
-void MD5Final(unsigned char *digest, struct MD5Context *ctx)
-{
- unsigned count;
- unsigned char *p;
-
- /* Compute number of bytes mod 64 */
- count = (ctx->bits[0] >> 3) & 0x3F;
-
- /* Set the first char of padding to 0x80. This is safe since there is
- always at least one byte free */
- p = ctx->in + count;
- *p++ = 0x80;
-
- /* Bytes of padding needed to make 64 bytes */
- count = 64 - 1 - count;
-
- /* Pad out to 56 mod 64 */
- if (count < 8) {
- /* Two lots of padding: Pad the first block to 64 bytes */
- memset(p, 0, count);
- byteReverse(ctx->in, 16);
- MD5Transform(ctx->buf, (uint32_t *) ctx->in);
-
- /* Now fill the next block with 56 bytes */
- memset(ctx->in, 0, 56);
- } else {
- /* Pad block to 56 bytes */
- memset(p, 0, count - 8);
- }
- byteReverse(ctx->in, 14);
-
- /* Append length in bits and transform */
- ((uint32_t *) ctx->in)[14] = ctx->bits[0];
- ((uint32_t *) ctx->in)[15] = ctx->bits[1];
-
- MD5Transform(ctx->buf, (uint32_t *) ctx->in);
- byteReverse((unsigned char *) ctx->buf, 4);
- memcpy(digest, ctx->buf, 16);
- memset(ctx, 0, sizeof(ctx)); /* In case it's sensitive */
-}
+++ /dev/null
-#ifndef FWCUTTER_MD5_H_
-#define FWCUTTER_MD5_H_
-
-#include <stdint.h>
-
-struct MD5Context {
- uint32_t buf[4];
- uint32_t bits[2];
- unsigned char in[64];
-};
-
-void MD5Init(struct MD5Context *ctx);
-void MD5Update(struct MD5Context *ctx, unsigned char *buf, unsigned len);
-void MD5Final(unsigned char *digest, struct MD5Context *ctx);
-
-#endif /* FWCUTTER_MD5_H_ */
+++ /dev/null
-Package: kmod-bcm43xx-standalone
-Priority: optional
-Section: sys
-Description: Free BCM43xx wireless driver (devicescape)
+++ /dev/null
-config BR2_PACKAGE_KMOD_IEEE80211_DSCAPE
- prompt "kmod-ieee80211-dscape............. IEEE 802.11 stack (devicescape)"
- tristate
- default n
- depends BR2_LINUX_2_6_BRCM || BR2_LINUX_2_6_X86
-
- help
- IEEE 802.11 stack (devicescape)
-
- http://ftp.kernel.org/pub/linux/kernel/people/jbenc/
+++ /dev/null
-# $Id$
-
-include $(TOPDIR)/rules.mk
-include ../../rules.mk
-
-PKG_NAME := kmod-ieee80211-dscape
-PKG_RELEASE := 1
-PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
-
-include $(TOPDIR)/package/rules.mk
-
-$(eval $(call PKG_template,KMOD_IEEE80211_DSCAPE,$(PKG_NAME),$(LINUX_VERSION)-$(BOARD)-$(PKG_RELEASE),$(ARCH),kernel ($(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE))))
-
-$(PKG_BUILD_DIR)/.prepared:
- mkdir -p $(PKG_BUILD_DIR)
- $(CP) ./src/* $(PKG_BUILD_DIR)/
- touch $@
-
-$(PKG_BUILD_DIR)/.configured:
- touch $@
-
-$(PKG_BUILD_DIR)/.built:
- $(MAKE) -C "$(LINUX_DIR)" \
- CROSS_COMPILE="$(TARGET_CROSS)" \
- ARCH="$(LINUX_KARCH)" \
- PATH="$(TARGET_PATH)" \
- SUBDIRS="$(PKG_BUILD_DIR)" \
- LINUXINCLUDE="-I$(shell pwd)/src/include -I$(LINUX_DIR)/include" \
- modules
- touch $@
-
-$(IPKG_KMOD_IEEE80211_DSCAPE):
- install -m0755 -d $(IDIR_KMOD_IEEE80211_DSCAPE)/lib/modules/$(LINUX_VERSION)
- #install -m0755 -d $(IDIR_KMOD_IEEE80211_DSCAPE)/etc/modules.d
- $(CP) $(PKG_BUILD_DIR)/*.ko $(IDIR_KMOD_IEEE80211_DSCAPE)/lib/modules/$(LINUX_VERSION)
- $(IPKG_BUILD) $(IDIR_KMOD_IEEE80211_DSCAPE) $(PACKAGE_DIR)
-
-install-dev:
- mkdir -p $(STAGING_DIR)/usr/include/ieee80211-dscape
- $(CP) src/include/* $(STAGING_DIR)/usr/include/ieee80211-dscape/
-
-uninstall-dev:
- rm -rf $(STAGING_DIR)/usr/include/ieee80211-dscape
-
-compile-targets: install-dev
-clean-targets: uninstall-dev
+++ /dev/null
-Package: kmod-ieee80211-dscape
-Priority: optional
-Section: sys
-Description: IEEE 802.11 stack (devicescape)
+++ /dev/null
-config IEEE80211
- tristate "Generic IEEE 802.11 Networking Stack"
- ---help---
- This option enables the hardware independent IEEE 802.11
- networking stack.
-
-config IEEE80211_DEBUG
- bool "Enable debugging output"
- depends on IEEE80211
- ---help---
- This option will enable debug tracing output for the
- ieee80211 network stack.
-
- If you are not trying to debug or develop the ieee80211
- subsystem, you most likely want to say N here.
-
-config IEEE80211_VERBOSE_DEBUG
- bool "Verbose debugging output"
- depends on IEEE80211_DEBUG
-
-config TKIP_DEBUG
- bool "TKIP debugging"
- depends on IEEE80211_DEBUG
-
-config IEEE80211_DEBUG_COUNTERS
- bool "Extra statistics for TX/RX debugging"
- depends on IEEE80211_DEBUG
-
-config HOSTAPD_WPA_TESTING
- bool "Support for TKIP countermeasures testing"
- depends on IEEE80211_DEBUG
-
+++ /dev/null
-obj-$(CONFIG_IEEE80211) += 80211.o rate_control.o
-
-80211-objs := \
- ieee80211.o \
- ieee80211_ioctl.o \
- sta_info.o \
- wep.o \
- wpa.o \
- ieee80211_proc.o \
- ieee80211_scan.o \
- ieee80211_sta.o \
- michael.o \
- tkip.o \
- aes_ccm.o \
- wme.o
-
-ifeq ($(CONFIG_NET_SCHED),)
- 80211-objs += fifo_qdisc.o
-endif
-
-ifeq ($(CONFIG_IEEE80211_LEDS),y)
- 80211-objs += ieee80211_led.o
-endif
+++ /dev/null
-/* Based on Rijndael implementation that has been placed in the public domain,
- * although heavily modified.
- *
- * Modifications Copyright 2003, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Optimized both speed and size by removing not used key lengths (only
- * 128-bit is used in IEEE 802.11i).
- */
-
-/* Use 256-byte Te4 table instead of larger 1024-byte */
-#define SMALL_TE4
-
-/* Save data size by using only one 1k table, but with a drawback of having to
- * rotate entries at lookup. This can be useful, if the CPU supports free
- * rotate on memory read. However, if this is not the case, this is much slower
- * than four-table implementation. */
-/* #define ONLY_ONE_TABLE */
-
-
-/* --- start of code that is based on public domain AES implementation --- */
-
-/**
- * rijndael-alg-fst.c
- *
- * @version 3.0 (December 2000)
- *
- * Optimised ANSI C code for the Rijndael cipher (now AES)
- *
- * @author Vincent Rijmen <vincent.rijmen@esat.kuleuven.ac.be>
- * @author Antoon Bosselaers <antoon.bosselaers@esat.kuleuven.ac.be>
- * @author Paulo Barreto <paulo.barreto@terra.com.br>
- *
- * This code is hereby placed in the public domain.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
-Te0[x] = S [x].[02, 01, 01, 03];
-Te1[x] = S [x].[03, 02, 01, 01];
-Te2[x] = S [x].[01, 03, 02, 01];
-Te3[x] = S [x].[01, 01, 03, 02];
-Te4[x] = S [x].[01, 01, 01, 01];
-*/
-
-static const u32 Te0[256] =
-{
- 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
- 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
- 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
- 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
- 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
- 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
- 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
- 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
- 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
- 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
- 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
- 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
- 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
- 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
- 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
- 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
- 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
- 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
- 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
- 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
- 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
- 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
- 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
- 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
- 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
- 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
- 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
- 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
- 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
- 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
- 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
- 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
- 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
- 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
- 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
- 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
- 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
- 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
- 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
- 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
- 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
- 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
- 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
- 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
- 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
- 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
- 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
- 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
- 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
- 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
- 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
- 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
- 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
- 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
- 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
- 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
- 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
- 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
- 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
- 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
- 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
- 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
- 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
- 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
-};
-
-#ifndef ONLY_ONE_TABLE
-static const u32 Te1[256] =
-{
- 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
- 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
- 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
- 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
- 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
- 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
- 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
- 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
- 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
- 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
- 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
- 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
- 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
- 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
- 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
- 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
- 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
- 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
- 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
- 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
- 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
- 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
- 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
- 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
- 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
- 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
- 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
- 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
- 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
- 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
- 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
- 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
- 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
- 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
- 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
- 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
- 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
- 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
- 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
- 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
- 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
- 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
- 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
- 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
- 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
- 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
- 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
- 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
- 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
- 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
- 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
- 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
- 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
- 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
- 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
- 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
- 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
- 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
- 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
- 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
- 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
- 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
- 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
- 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
-};
-
-static const u32 Te2[256] =
-{
- 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
- 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
- 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
- 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
- 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
- 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
- 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
- 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
- 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
- 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
- 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
- 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
- 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
- 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
- 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
- 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
- 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
- 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
- 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
- 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
- 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
- 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
- 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
- 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
- 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
- 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
- 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
- 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
- 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
- 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
- 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
- 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
- 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
- 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
- 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
- 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
- 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
- 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
- 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
- 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
- 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
- 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
- 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
- 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
- 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
- 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
- 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
- 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
- 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
- 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
- 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
- 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
- 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
- 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
- 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
- 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
- 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
- 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
- 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
- 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
- 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
- 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
- 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
- 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
-};
-
-static const u32 Te3[256] =
-{
- 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
- 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
- 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
- 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
- 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
- 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
- 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
- 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
- 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
- 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
- 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
- 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
- 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
- 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
- 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
- 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
- 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
- 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
- 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
- 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
- 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
- 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
- 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
- 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
- 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
- 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
- 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
- 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
- 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
- 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
- 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
- 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
- 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
- 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
- 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
- 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
- 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
- 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
- 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
- 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
- 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
- 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
- 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
- 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
- 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
- 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
- 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
- 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
- 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
- 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
- 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
- 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
- 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
- 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
- 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
- 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
- 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
- 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
- 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
- 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
- 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
- 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
- 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
- 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
-};
-
-#define TE0(v) (Te0[(v) >> 24])
-#define TE1(v) (Te1[((v) >> 16) & 0xff])
-#define TE2(v) (Te2[((v) >> 8) & 0xff])
-#define TE3(v) (Te3[(v) & 0xff])
-
-#else /* ONLY_ONE_TABLE */
-
-
-static inline u32 ROR8(u32 v)
-{
- return (v >> 8) | (v << 24);
-}
-
-static inline u32 ROR16(u32 v)
-{
- return (v >> 16) | (v << 16);
-}
-
-static inline u32 ROR24(u32 v)
-{
- return (v >> 24) | (v << 8);
-}
-
-#define TE0(v) (Te0[(v) >> 24])
-#define TE1(v) (ROR8(Te0[((v) >> 16) & 0xff]))
-#define TE2(v) (ROR16(Te0[((v) >> 8) & 0xff]))
-#define TE3(v) (ROR24(Te0[(v) & 0xff]))
-
-#endif /* ONLY_ONE_TABLE */
-
-
-
-#ifdef SMALL_TE4
-static const u8 Te4s[256] = {
- 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
- 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
- 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
- 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
- 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,
- 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
- 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,
- 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
- 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
- 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
- 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
- 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
- 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
- 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
- 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
- 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
- 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,
- 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
- 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,
- 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
- 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
- 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
- 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,
- 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
- 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,
- 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
- 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
- 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
- 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,
- 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
- 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,
- 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16,
-};
-
-#define TE4_1(v) (Te4s[(v) & 0xff] << 24)
-#define TE4_2(v) (Te4s[(v) & 0xff] << 16)
-#define TE4_3(v) (Te4s[(v) & 0xff] << 8)
-#define TE4_4(v) (Te4s[(v) & 0xff])
-
-#else /* SMALL_TE4 */
-
-static const u32 Te4[256] =
-{
- 0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU,
- 0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U,
- 0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU,
- 0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U,
- 0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU,
- 0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U,
- 0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU,
- 0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U,
- 0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U,
- 0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU,
- 0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U,
- 0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U,
- 0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U,
- 0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU,
- 0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U,
- 0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U,
- 0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU,
- 0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U,
- 0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U,
- 0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U,
- 0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU,
- 0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU,
- 0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U,
- 0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU,
- 0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU,
- 0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U,
- 0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU,
- 0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U,
- 0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU,
- 0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U,
- 0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U,
- 0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U,
- 0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU,
- 0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U,
- 0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU,
- 0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U,
- 0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU,
- 0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U,
- 0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U,
- 0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU,
- 0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU,
- 0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU,
- 0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U,
- 0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U,
- 0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU,
- 0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U,
- 0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU,
- 0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U,
- 0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU,
- 0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U,
- 0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU,
- 0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU,
- 0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U,
- 0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU,
- 0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U,
- 0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU,
- 0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U,
- 0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U,
- 0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U,
- 0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU,
- 0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU,
- 0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U,
- 0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU,
- 0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U,
-};
-
-#define TE4_1(v) (Te4[(v) & 0xff] & 0xff000000)
-#define TE4_2(v) (Te4[(v) & 0xff] & 0x00ff0000)
-#define TE4_3(v) (Te4[(v) & 0xff] & 0x0000ff00)
-#define TE4_4(v) (Te4[(v) & 0xff] & 0x000000ff)
-
-#endif /* SMALL_TE4 */
-
-
-static const u32 rcon[] = {
- 0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000,
- 0x20000000, 0x40000000, 0x80000000, 0x1B000000, 0x36000000,
-};
-
-#define GETU32(pt) \
-(((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] << 8) ^ \
-((u32)(pt)[3]))
-#define PUTU32(ct, st) \
-{ (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); \
-(ct)[2] = (u8)((st) >> 8); (ct)[3] = (u8)(st); }
-
-
-/* Expand the cipher key into the encryption key schedule. */
-void ieee80211_aes_key_setup_encrypt(u32 rk[/*44*/], const u8 key[])
-{
- int i;
- u32 temp;
-
- rk[0] = GETU32(key );
- rk[1] = GETU32(key + 4);
- rk[2] = GETU32(key + 8);
- rk[3] = GETU32(key + 12);
-
- for (i = 0; i < 10; i++) {
- temp = rk[3];
- rk[4] = rk[0] ^ TE4_1(temp >> 16) ^ TE4_2(temp >> 8) ^
- TE4_3(temp) ^ TE4_4(temp >> 24) ^ rcon[i];
- rk[5] = rk[1] ^ rk[4];
- rk[6] = rk[2] ^ rk[5];
- rk[7] = rk[3] ^ rk[6];
- rk += 4;
- }
-}
-
-
-void ieee80211_aes_encrypt(const u32 rk[/*44*/], const u8 pt[16], u8 ct[16])
-{
- const int Nr = 10;
- u32 s0, s1, s2, s3, t0, t1, t2, t3;
-
- /* Map byte array block to cipher state and add initial round key */
- s0 = GETU32(pt ) ^ rk[0];
- s1 = GETU32(pt + 4) ^ rk[1];
- s2 = GETU32(pt + 8) ^ rk[2];
- s3 = GETU32(pt + 12) ^ rk[3];
-
-#define ROUND(r,d,s,i) \
-d##0 = TE0(s##0) ^ TE1(s##1) ^ TE2(s##2) ^ TE3(s##3) ^ rk[i]; \
-d##1 = TE0(s##1) ^ TE1(s##2) ^ TE2(s##3) ^ TE3(s##0) ^ rk[i + 1]; \
-d##2 = TE0(s##2) ^ TE1(s##3) ^ TE2(s##0) ^ TE3(s##1) ^ rk[i + 2]; \
-d##3 = TE0(s##3) ^ TE1(s##0) ^ TE2(s##1) ^ TE3(s##2) ^ rk[i + 3]
- ROUND(1,t,s,4);
- ROUND(2,s,t,8);
- ROUND(3,t,s,12);
- ROUND(4,s,t,16);
- ROUND(5,t,s,20);
- ROUND(6,s,t,24);
- ROUND(7,t,s,28);
- ROUND(8,s,t,32);
- ROUND(9,t,s,36);
-#undef ROUND
-
- rk += Nr << 2;
-
- /* Apply the last round and map cipher state to byte array block */
- s0 = TE4_1(t0 >> 24) ^ TE4_2(t1 >> 16) ^ TE4_3(t2 >> 8) ^ TE4_4(t3) ^
- rk[0];
- PUTU32(ct, s0);
- s0 = TE4_1(t1 >> 24) ^ TE4_2(t2 >> 16) ^ TE4_3(t3 >> 8) ^ TE4_4(t0) ^
- rk[1];
- PUTU32(ct + 4, s0);
- s0 = TE4_1(t2 >> 24) ^ TE4_2(t3 >> 16) ^ TE4_3(t0 >> 8) ^ TE4_4(t1) ^
- rk[2];
- PUTU32(ct + 8, s0);
- s0 = TE4_1(t3 >> 24) ^ TE4_2(t0 >> 16) ^ TE4_3(t1 >> 8) ^ TE4_4(t2) ^
- rk[3];
- PUTU32(ct + 12, s0);
-}
-
-/* --- end of code that is based on public domain AES implementation --- */
+++ /dev/null
-/*
- * Copyright 2003-2004, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/types.h>
-#include <linux/netdevice.h>
-
-#include <net/ieee80211.h>
-#include "ieee80211_key.h"
-#include "aes_ccm.h"
-
-#include "aes.c"
-
-static inline void aes_ccm_prepare(u32 *rk, u8 *b_0, u8 *aad, u8 *b,
- u8 *s_0, u8 *a)
-{
- int i;
-
- ieee80211_aes_encrypt(rk, b_0, b);
-
- /* Extra Authenticate-only data (always two AES blocks) */
- for (i = 0; i < AES_BLOCK_LEN; i++)
- aad[i] ^= b[i];
- ieee80211_aes_encrypt(rk, aad, b);
-
- aad += AES_BLOCK_LEN;
-
- for (i = 0; i < AES_BLOCK_LEN; i++)
- aad[i] ^= b[i];
- ieee80211_aes_encrypt(rk, aad, a);
-
- /* Mask out bits from auth-only-b_0 */
- b_0[0] &= 0x07;
-
- /* S_0 is used to encrypt T (= MIC) */
- b_0[14] = 0;
- b_0[15] = 0;
- ieee80211_aes_encrypt(rk, b_0, s_0);
-}
-
-
-void ieee80211_aes_ccm_encrypt(u32 *rk, u8 *b_0, u8 *aad, u8 *data,
- size_t data_len, u8 *cdata, u8 *mic)
-{
- int i, j, last_len, num_blocks;
- u8 *pos, *cpos;
- u8 b[AES_BLOCK_LEN], s_0[AES_BLOCK_LEN], e[AES_BLOCK_LEN];
-
- num_blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN;
- last_len = data_len % AES_BLOCK_LEN;
- aes_ccm_prepare(rk, b_0, aad, b, s_0, b);
-
- /* Process payload blocks */
- pos = data;
- cpos = cdata;
- for (j = 1; j <= num_blocks; j++) {
- int blen = (j == num_blocks && last_len) ?
- last_len : AES_BLOCK_LEN;
-
- /* Authentication followed by encryption */
- for (i = 0; i < blen; i++)
- b[i] ^= pos[i];
- ieee80211_aes_encrypt(rk, b, b);
-
- b_0[14] = (j >> 8) & 0xff;
- b_0[15] = j & 0xff;
- ieee80211_aes_encrypt(rk, b_0, e);
- for (i = 0; i < blen; i++)
- *cpos++ = *pos++ ^ e[i];
- }
-
- for (i = 0; i < CCMP_MIC_LEN; i++)
- mic[i] = b[i] ^ s_0[i];
-}
-
-
-int ieee80211_aes_ccm_decrypt(u32 *rk, u8 *b_0, u8 *aad, u8 *cdata,
- size_t data_len, u8 *mic, u8 *data)
-{
- int i, j, last_len, num_blocks;
- u8 *pos, *cpos;
- u8 b[AES_BLOCK_LEN], s_0[AES_BLOCK_LEN], a[AES_BLOCK_LEN];
-
- num_blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN;
- last_len = data_len % AES_BLOCK_LEN;
- aes_ccm_prepare(rk, b_0, aad, b, s_0, a);
-
- /* Process payload blocks */
- cpos = cdata;
- pos = data;
- for (j = 1; j <= num_blocks; j++) {
- int blen = (j == num_blocks && last_len) ?
- last_len : AES_BLOCK_LEN;
-
- /* Decryption followed by authentication */
- b_0[14] = (j >> 8) & 0xff;
- b_0[15] = j & 0xff;
- ieee80211_aes_encrypt(rk, b_0, b);
- for (i = 0; i < blen; i++) {
- *pos = *cpos++ ^ b[i];
- a[i] ^= *pos++;
- }
-
- ieee80211_aes_encrypt(rk, a, a);
- }
-
- for (i = 0; i < CCMP_MIC_LEN; i++) {
- if ((mic[i] ^ s_0[i]) != a[i])
- return -1;
- }
-
- return 0;
-}
-
+++ /dev/null
-/*
- * Copyright 2003-2004, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef AES_CCM_H
-#define AES_CCM_H
-
-#define AES_BLOCK_LEN 16
-#define AES_STATE_LEN 44
-
-void ieee80211_aes_key_setup_encrypt(u32 rk[/*44*/], const u8 key[]);
-void ieee80211_aes_encrypt(const u32 rk[/*44*/], const u8 pt[16], u8 ct[16]);
-void ieee80211_aes_ccm_encrypt(u32 rk[/*44*/], u8 *b_0, u8 *aad, u8 *data,
- size_t data_len, u8 *cdata, u8 *mic);
-int ieee80211_aes_ccm_decrypt(u32 rk[/*44*/], u8 *b_0, u8 *aad, u8 *cdata,
- size_t data_len, u8 *mic, u8 *data);
-
-#endif /* AES_CCM_H */
+++ /dev/null
-/*
- * Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * If building without CONFIG_NET_SCHED we need a simple
- * fifo qdisc to install by default as the sub-qdisc.
- * This is a simple replacement for sch_fifo.
- */
-
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/netdevice.h>
-#include <net/ieee80211.h>
-#include "ieee80211_i.h"
-#include "wme.h"
-
-static int pfifo_enqueue(struct sk_buff *skb, struct Qdisc* qd)
-{
- struct sk_buff_head *q = qdisc_priv(qd);
-
- if (skb_queue_len(q) > qd->dev->tx_queue_len) {
- qd->qstats.drops++;
- kfree_skb(skb);
- return NET_XMIT_DROP;
- }
-
- skb_queue_tail(q, skb);
- qd->q.qlen++;
- qd->bstats.bytes += skb->len;
- qd->bstats.packets++;
-
- return NET_XMIT_SUCCESS;
-}
-
-
-static int pfifo_requeue(struct sk_buff *skb, struct Qdisc* qd)
-{
- struct sk_buff_head *q = qdisc_priv(qd);
-
- skb_queue_head(q, skb);
- qd->q.qlen++;
- qd->bstats.bytes += skb->len;
- qd->bstats.packets++;
-
- return NET_XMIT_SUCCESS;
-}
-
-
-static struct sk_buff *pfifo_dequeue(struct Qdisc* qd)
-{
- struct sk_buff_head *q = qdisc_priv(qd);
-
- return skb_dequeue(q);
-}
-
-
-static int pfifo_init(struct Qdisc* qd, struct rtattr *opt)
-{
- struct sk_buff_head *q = qdisc_priv(qd);
-
- skb_queue_head_init(q);
- return 0;
-}
-
-
-static void pfifo_reset(struct Qdisc* qd)
-{
- struct sk_buff_head *q = qdisc_priv(qd);
-
- skb_queue_purge(q);
- qd->q.qlen = 0;
-}
-
-
-static int pfifo_dump(struct Qdisc *qd, struct sk_buff *skb)
-{
- return skb->len;
-}
-
-
-struct Qdisc_ops pfifo_qdisc_ops =
-{
- .next = NULL,
- .cl_ops = NULL,
- .id = "ieee80211_pfifo",
- .priv_size = sizeof(struct sk_buff_head),
-
- .enqueue = pfifo_enqueue,
- .dequeue = pfifo_dequeue,
- .requeue = pfifo_requeue,
- .drop = NULL,
-
- .init = pfifo_init,
- .reset = pfifo_reset,
- .destroy = NULL,
- .change = NULL,
-
- .dump = pfifo_dump,
-};
-
+++ /dev/null
-/*
- * Host AP (software wireless LAN access point) user space daemon for
- * Host AP kernel driver
- * Copyright 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
- * Copyright 2002-2004, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef HOSTAPD_IOCTL_H
-#define HOSTAPD_IOCTL_H
-
-#ifndef __KERNEL__
-#include "ieee80211_shared.h"
-#endif /* __KERNEL__ */
-
-#define PRISM2_IOCTL_PRISM2_PARAM (SIOCIWFIRSTPRIV + 0)
-#define PRISM2_IOCTL_GET_PRISM2_PARAM (SIOCIWFIRSTPRIV + 1)
-#define PRISM2_IOCTL_HOSTAPD (SIOCIWFIRSTPRIV + 3)
-#define PRISM2_IOCTL_TEST_PARAM (SIOCIWFIRSTPRIV + 4)
-
-/* PRISM2_IOCTL_PRISM2_PARAM ioctl() subtypes: */
-enum {
- PRISM2_PARAM_PTYPE = 1,
- PRISM2_PARAM_TXRATECTRL = 2,
- PRISM2_PARAM_BEACON_INT = 3,
- PRISM2_PARAM_PSEUDO_IBSS = 4,
- PRISM2_PARAM_ALC = 5,
- PRISM2_PARAM_TXPOWER = 6,
- PRISM2_PARAM_DUMP = 7,
- PRISM2_PARAM_OTHER_AP_POLICY = 8,
- PRISM2_PARAM_AP_MAX_INACTIVITY = 9,
- PRISM2_PARAM_AP_BRIDGE_PACKETS = 10,
- PRISM2_PARAM_DTIM_PERIOD = 11,
- PRISM2_PARAM_AP_NULLFUNC_ACK = 12,
- PRISM2_PARAM_MAX_WDS = 13,
- PRISM2_PARAM_AP_AUTOM_AP_WDS = 14,
- PRISM2_PARAM_AP_AUTH_ALGS = 15,
- PRISM2_PARAM_MONITOR_ALLOW_FCSERR = 16,
- PRISM2_PARAM_HOST_ENCRYPT = 17,
- PRISM2_PARAM_HOST_DECRYPT = 18,
- PRISM2_PARAM_BUS_MASTER_THRESHOLD_RX = 19,
- PRISM2_PARAM_BUS_MASTER_THRESHOLD_TX = 20,
- PRISM2_PARAM_HOST_ROAMING = 21,
- PRISM2_PARAM_BCRX_STA_KEY = 22,
- PRISM2_PARAM_IEEE_802_1X = 23,
- PRISM2_PARAM_ANTSEL_TX = 24,
- PRISM2_PARAM_ANTSEL_RX = 25,
- PRISM2_PARAM_MONITOR_TYPE = 26,
- PRISM2_PARAM_WDS_TYPE = 27,
- PRISM2_PARAM_HOSTSCAN = 28,
- PRISM2_PARAM_AP_SCAN = 29,
-
- /* Instant802 additions */
- PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES = 1001,
- PRISM2_PARAM_DROP_UNENCRYPTED = 1002,
- PRISM2_PARAM_PREAMBLE = 1003,
- PRISM2_PARAM_RATE_LIMIT = 1004,
- PRISM2_PARAM_RATE_LIMIT_BURST = 1005,
- PRISM2_PARAM_SHORT_SLOT_TIME = 1006,
- PRISM2_PARAM_TEST_MODE = 1007,
- PRISM2_PARAM_NEXT_MODE = 1008,
- PRISM2_PARAM_CLEAR_KEYS = 1009,
- PRISM2_PARAM_ADM_STATUS = 1010,
- PRISM2_PARAM_ANTENNA_SEL = 1011,
- PRISM2_PARAM_CALIB_INT = 1012,
- PRISM2_PARAM_ANTENNA_MODE = 1013,
- PRISM2_PARAM_PRIVACY_INVOKED = 1014,
- PRISM2_PARAM_BROADCAST_SSID = 1015,
- PRISM2_PARAM_STAT_TIME = 1016,
- PRISM2_PARAM_STA_ANTENNA_SEL = 1017,
- PRISM2_PARAM_FORCE_UNICAST_RATE = 1018,
- PRISM2_PARAM_RATE_CTRL_NUM_UP = 1019,
- PRISM2_PARAM_RATE_CTRL_NUM_DOWN = 1020,
- PRISM2_PARAM_MAX_RATECTRL_RATE = 1021,
- PRISM2_PARAM_TX_POWER_REDUCTION = 1022,
- PRISM2_PARAM_EAPOL = 1023,
- PRISM2_PARAM_KEY_TX_RX_THRESHOLD = 1024,
- PRISM2_PARAM_KEY_INDEX = 1025,
- PRISM2_PARAM_DEFAULT_WEP_ONLY = 1026,
- PRISM2_PARAM_WIFI_WME_NOACK_TEST = 1033,
- PRISM2_PARAM_ALLOW_BROADCAST_ALWAYS = 1034,
- PRISM2_PARAM_SCAN_FLAGS = 1035,
- PRISM2_PARAM_HW_MODES = 1036,
- PRISM2_PARAM_CREATE_IBSS = 1037,
- PRISM2_PARAM_WMM_ENABLED = 1038,
- PRISM2_PARAM_MIXED_CELL = 1039,
- PRISM2_PARAM_KEY_MGMT = 1040,
- PRISM2_PARAM_RADAR_DETECT = 1043,
- PRISM2_PARAM_SPECTRUM_MGMT = 1044,
- /* NOTE: Please try to coordinate with other active development
- * branches before allocating new param numbers so that each new param
- * will be unique within all branches and the allocated number will not
- * need to be changed when merging new features. Existing numbers in
- * the mainline (or main devel branch) must not be changed when merging
- * in new features. */
-};
-
-/* PRISM2_IOCTL_HOSTAPD ioctl() cmd: */
-enum {
- PRISM2_HOSTAPD_FLUSH = 1,
- PRISM2_HOSTAPD_ADD_STA = 2,
- PRISM2_HOSTAPD_REMOVE_STA = 3,
- PRISM2_HOSTAPD_GET_INFO_STA = 4,
- /* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */
- PRISM2_SET_ENCRYPTION = 6,
- PRISM2_GET_ENCRYPTION = 7,
- PRISM2_HOSTAPD_SET_FLAGS_STA = 8,
- PRISM2_HOSTAPD_GET_RID = 9,
- PRISM2_HOSTAPD_SET_RID = 10,
- PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR = 11,
- PRISM2_HOSTAPD_MLME = 13,
-
- /* Instant802 additions */
- PRISM2_HOSTAPD_SET_BEACON = 1001,
- PRISM2_HOSTAPD_GET_HW_FEATURES = 1002,
- PRISM2_HOSTAPD_SCAN = 1003,
- PRISM2_HOSTAPD_WPA_TRIGGER = 1004,
- PRISM2_HOSTAPD_SET_RATE_SETS = 1005,
- PRISM2_HOSTAPD_ADD_IF = 1006,
- PRISM2_HOSTAPD_REMOVE_IF = 1007,
- PRISM2_HOSTAPD_GET_DOT11COUNTERSTABLE = 1008,
- PRISM2_HOSTAPD_GET_LOAD_STATS = 1009,
- PRISM2_HOSTAPD_SET_STA_VLAN = 1010,
- PRISM2_HOSTAPD_SET_GENERIC_INFO_ELEM = 1011,
- PRISM2_HOSTAPD_SET_CHANNEL_FLAG = 1012,
- PRISM2_HOSTAPD_SET_REGULATORY_DOMAIN = 1013,
- PRISM2_HOSTAPD_SET_TX_QUEUE_PARAMS = 1014,
- PRISM2_HOSTAPD_SET_BSS = 1015,
- PRISM2_HOSTAPD_GET_TX_STATS = 1016,
- PRISM2_HOSTAPD_UPDATE_IF = 1017,
- PRISM2_HOSTAPD_SCAN_REQ = 1019,
- PRISM2_STA_GET_STATE = 1020,
- PRISM2_HOSTAPD_FLUSH_IFS = 1021,
- PRISM2_HOSTAPD_SET_RADAR_PARAMS = 1023,
- PRISM2_HOSTAPD_SET_QUIET_PARAMS = 1024,
- PRISM2_HOSTAPD_GET_TX_POWER = 1025,
- /* NOTE: Please try to coordinate with other active development
- * branches before allocating new param numbers so that each new param
- * will be unique within all branches and the allocated number will not
- * need to be changed when merging new features. Existing numbers in
- * the mainline (or main devel branch) must not be changed when merging
- * in new features. */
-};
-
- /* these definitions mirror the ieee80211_i.h
- * IEEE80211_DISABLED, ... IEEE80211_ASSOCIATED enumeration */
-enum {
- PRISM2_PARAM_STA_DISABLED,
- PRISM2_PARAM_STA_AUTHENTICATE,
- PRISM2_PARAM_STA_ASSOCIATE,
- PRISM2_PARAM_STA_ASSOCIATED,
-};
-
-#define PRISM2_HOSTAPD_MAX_BUF_SIZE 2048
-#define HOSTAP_CRYPT_ALG_NAME_LEN 16
-
-/* Use this to make sure that structure elements are correctly aligned
- * for access as other types. Most commonly, this affects the placeholder
- * types used for data at the end of a structure in this union.
- */
-#ifdef __GNUC__
-#undef ALIGNED
-#define ALIGNED __attribute__ ((aligned))
-#else
-/* Check if it has been defined elsewhere */
-#ifndef ALIGNED
-#error "Must define ALIGNED to generate aligned structure elements"
-#endif
-#endif
-
-struct prism2_hostapd_param {
- u32 cmd;
- u8 sta_addr[ETH_ALEN];
- u8 pad[2];
- union {
- struct {
- u16 aid;
- u16 capability;
- u8 supp_rates[32];
- /* atheros_super_ag and enc_flags are only used with
- * IEEE80211_ATHEROS_SUPER_AG
- */
- u8 atheros_super_ag;
- u8 atheros_xr_mode;
- u8 wds_flags;
-#define IEEE80211_STA_DYNAMIC_ENC BIT(0)
- u8 enc_flags;
- } add_sta;
- struct {
- u32 inactive_msec;
- u32 rx_packets;
- u32 tx_packets;
- u32 rx_bytes;
- u32 tx_bytes;
- u32 current_tx_rate; /* in 100 kbps */
- u32 channel_use;
- u32 flags;
- u32 num_ps_buf_frames;
- u32 tx_retry_failed;
- u32 tx_retry_count;
- u32 last_rssi;
- u32 last_ack_rssi;
- } get_info_sta;
- struct {
- u8 alg[HOSTAP_CRYPT_ALG_NAME_LEN];
- u32 flags;
- u32 err;
- u8 idx;
-#define HOSTAP_SEQ_COUNTER_SIZE 8
- u8 seq_counter[HOSTAP_SEQ_COUNTER_SIZE];
- u16 key_len;
- u8 key[0] ALIGNED;
- } crypt;
- struct {
- u32 flags_and;
- u32 flags_or;
- } set_flags_sta;
- struct {
- u16 rid;
- u16 len;
- u8 data[0] ALIGNED;
- } rid;
- struct {
- u16 head_len;
- u16 tail_len;
- u8 data[0] ALIGNED; /* head_len + tail_len bytes */
- } beacon;
- struct {
- u16 num_modes;
- u16 flags;
- u8 data[0] ALIGNED; /* num_modes * feature data */
- } hw_features;
- struct {
- u8 now;
- s8 our_mode_only;
- s16 last_rx;
- u16 channel;
- s16 interval; /* seconds */
- s32 listen; /* microseconds */
- } scan;
- struct {
-#define WPA_TRIGGER_FAIL_TX_MIC BIT(0)
-#define WPA_TRIGGER_FAIL_TX_ICV BIT(1)
-#define WPA_TRIGGER_FAIL_RX_MIC BIT(2)
-#define WPA_TRIGGER_FAIL_RX_ICV BIT(3)
-#define WPA_TRIGGER_TX_REPLAY BIT(4)
-#define WPA_TRIGGER_TX_REPLAY_FRAG BIT(5)
-#define WPA_TRIGGER_TX_SKIP_SEQ BIT(6)
- u32 trigger;
- } wpa_trigger;
- struct {
- u16 mode; /* MODE_* */
- u16 num_supported_rates;
- u16 num_basic_rates;
- u8 data[0] ALIGNED; /* num_supported_rates * u16 +
- * num_basic_rates * u16 */
- } set_rate_sets;
- struct {
- u8 type; /* WDS, VLAN, etc */
- u8 name[IFNAMSIZ];
- u8 data[0] ALIGNED;
- } if_info;
- struct dot11_counters {
- u32 dot11TransmittedFragmentCount;
- u32 dot11MulticastTransmittedFrameCount;
- u32 dot11FailedCount;
- u32 dot11ReceivedFragmentCount;
- u32 dot11MulticastReceivedFrameCount;
- u32 dot11FCSErrorCount;
- u32 dot11TransmittedFrameCount;
- u32 dot11WEPUndecryptableCount;
- u32 dot11ACKFailureCount;
- u32 dot11RTSFailureCount;
- u32 dot11RTSSuccessCount;
- } dot11CountersTable;
- struct {
-#define LOAD_STATS_CLEAR BIT(1)
- u32 flags;
- u32 channel_use;
- } get_load_stats;
- struct {
- char vlan_name[IFNAMSIZ];
- int vlan_id;
- } set_sta_vlan;
- struct {
- u8 len;
- u8 data[0] ALIGNED;
- } set_generic_info_elem;
- struct {
- u16 mode; /* MODE_* */
- u16 chan;
- u32 flag;
- u8 power_level; /* regulatory limit in dBm */
- u8 antenna_max;
- } set_channel_flag;
- struct {
- u32 rd;
- } set_regulatory_domain;
- struct {
- u32 queue;
- s32 aifs;
- u32 cw_min;
- u32 cw_max;
- u32 burst_time; /* maximum burst time in 0.1 ms, i.e.,
- * 10 = 1 ms */
- } tx_queue_params;
- struct {
- u32 bss_count;
- u8 bssid_mask[ETH_ALEN];
- } set_bss;
- struct ieee80211_tx_stats {
- struct {
- unsigned int len; /* num packets in queue */
- unsigned int limit; /* queue len (soft) limit
- */
- unsigned int count; /* total num frames sent */
- } data[4];
- } get_tx_stats;
- struct {
- u8 ssid_len;
- u8 ssid[0] ALIGNED;
- } scan_req;
- struct {
- u32 state;
- } sta_get_state;
- struct {
-#define MLME_STA_DEAUTH 0
-#define MLME_STA_DISASSOC 1
- u16 cmd;
- u16 reason_code;
- } mlme;
- struct {
- unsigned int value;
- /* TODO
- int pulse_width;
- int num_pulse;
- int period;
- */
- }radar;
- struct {
- unsigned int period;
- unsigned int offset;
- unsigned int duration;
- }quiet;
- struct {
- unsigned int tx_power_min;
- unsigned int tx_power_max;
- }tx_power;
- struct {
- u8 dummy[80]; /* Make sizeof() this struct large enough
- * with some compiler versions. */
- } dummy;
- } u;
-};
-
-
-#ifndef IEEE80211_TX_QUEUE_NUMS
-#define IEEE80211_TX_QUEUE_NUMS
-/* TODO: these need to be synchronized with ieee80211.h; make a shared header
- * file that can be included into low-level drivers, 80211.o, and hostapd */
-/* tx_queue_params - queue */
-enum {
- IEEE80211_TX_QUEUE_DATA0 = 0, /* used for EDCA AC_VO data */
- IEEE80211_TX_QUEUE_DATA1 = 1, /* used for EDCA AC_VI data */
- IEEE80211_TX_QUEUE_DATA2 = 2, /* used for EDCA AC_BE data */
- IEEE80211_TX_QUEUE_DATA3 = 3, /* used for EDCA AC_BK data */
- IEEE80211_TX_QUEUE_DATA4 = 4,
- IEEE80211_TX_QUEUE_AFTER_BEACON = 6,
- IEEE80211_TX_QUEUE_BEACON = 7
-};
-#endif /* IEEE80211_TX_QUEUE_NUMS */
-
-
-#define HOSTAP_CRYPT_FLAG_SET_TX_KEY BIT(0)
-#define HOSTAP_CRYPT_FLAG_PERMANENT BIT(1)
-
-#define HOSTAP_CRYPT_ERR_UNKNOWN_ALG 2
-#define HOSTAP_CRYPT_ERR_UNKNOWN_ADDR 3
-#define HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED 4
-#define HOSTAP_CRYPT_ERR_KEY_SET_FAILED 5
-#define HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED 6
-#define HOSTAP_CRYPT_ERR_CARD_CONF_FAILED 7
-
-#define HOSTAP_HW_FLAG_NULLFUNC_OK BIT(0)
-
-enum {
- IEEE80211_KEY_MGMT_NONE = 0,
- IEEE80211_KEY_MGMT_IEEE8021X = 1,
- IEEE80211_KEY_MGMT_WPA_PSK = 2,
- IEEE80211_KEY_MGMT_WPA_EAP = 3,
-};
-
-
-/* Data structures used for get_hw_features ioctl */
-struct hostapd_ioctl_hw_modes_hdr {
- int mode;
- int num_channels;
- int num_rates;
-};
-
-struct ieee80211_channel_data {
- short chan; /* channel number (IEEE 802.11) */
- short freq; /* frequency in MHz */
- int flag; /* flag for hostapd use (IEEE80211_CHAN_*) */
-};
-
-struct ieee80211_rate_data {
- int rate; /* rate in 100 kbps */
- int flags; /* IEEE80211_RATE_ flags */
-};
-
-
-/* ADD_IF, REMOVE_IF, and UPDATE_IF 'type' argument */
-enum {
- HOSTAP_IF_WDS = 1, HOSTAP_IF_VLAN = 2, HOSTAP_IF_BSS = 3,
- HOSTAP_IF_STA = 4
-};
-
-struct hostapd_if_wds {
- u8 remote_addr[ETH_ALEN];
-};
-
-struct hostapd_if_vlan {
- u8 id;
-};
-
-struct hostapd_if_bss {
- u8 bssid[ETH_ALEN];
-};
-
-struct hostapd_if_sta {
-};
-
-#endif /* HOSTAPD_IOCTL_H */
+++ /dev/null
-/*
- * Copyright 2002-2005, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef EXPORT_SYMTAB
-#define EXPORT_SYMTAB
-#endif
-
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/skbuff.h>
-#include <linux/etherdevice.h>
-#include <linux/if_arp.h>
-#include <linux/wireless.h>
-#include <net/iw_handler.h>
-#include <linux/compiler.h>
-
-#include <net/ieee80211.h>
-#include <net/ieee80211_common.h>
-#include <net/ieee80211_mgmt.h>
-#include "ieee80211_i.h"
-#include "ieee80211_proc.h"
-#include "rate_control.h"
-#include "wep.h"
-#include "wpa.h"
-#include "tkip.h"
-#include "wme.h"
-
-
-/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
-/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
-static unsigned char rfc1042_header[] =
-{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
-/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
-static unsigned char bridge_tunnel_header[] =
-{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
-/* No encapsulation header if EtherType < 0x600 (=length) */
-
-static unsigned char eapol_header[] =
-{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00, 0x88, 0x8e };
-
-
-struct rate_control_algs {
- struct rate_control_algs *next;
- struct rate_control_ops *ops;
-};
-
-static struct rate_control_algs *ieee80211_rate_ctrl_algs;
-
-static int rate_control_initialize(struct ieee80211_local *local);
-
-
-static u8 * ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len);
-
-
-struct ieee80211_key_conf *
-ieee80211_key_data2conf(struct ieee80211_local *local,
- struct ieee80211_key *data)
-{
- struct ieee80211_key_conf *conf;
-
- conf = kmalloc(sizeof(*conf) + data->keylen, GFP_ATOMIC);
- if (conf == NULL)
- return NULL;
-
- conf->hw_key_idx = data->hw_key_idx;
- conf->alg = data->alg;
- conf->keylen = data->keylen;
- conf->force_sw_encrypt = data->force_sw_encrypt;
- conf->keyidx = data->keyidx;
- conf->default_tx_key = data->default_tx_key;
- conf->default_wep_only = local->default_wep_only;
- memcpy(conf->key, data->key, data->keylen);
-
- return conf;
-}
-
-
-static int rate_list_match(int *rate_list, int rate)
-{
- int i;
-
- if (rate_list == NULL)
- return 0;
-
- for (i = 0; rate_list[i] >= 0; i++)
- if (rate_list[i] == rate)
- return 1;
-
- return 0;
-}
-
-
-void ieee80211_prepare_rates(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
- int i;
-
- for (i = 0; i < local->num_curr_rates; i++) {
- struct ieee80211_rate *rate = &local->curr_rates[i];
-
- rate->flags &= ~(IEEE80211_RATE_SUPPORTED |
- IEEE80211_RATE_BASIC);
-
- if (local->supp_rates[local->conf.phymode]) {
- if (!rate_list_match(local->supp_rates
- [local->conf.phymode],
- rate->rate))
- continue;
- }
-
- rate->flags |= IEEE80211_RATE_SUPPORTED;
-
- /* Use configured basic rate set if it is available. If not,
- * use defaults that are sane for most cases. */
- if (local->basic_rates[local->conf.phymode]) {
- if (rate_list_match(local->basic_rates
- [local->conf.phymode],
- rate->rate))
- rate->flags |= IEEE80211_RATE_BASIC;
- } else switch (local->conf.phymode) {
- case MODE_IEEE80211A:
- if (rate->rate == 60 || rate->rate == 120 ||
- rate->rate == 240)
- rate->flags |= IEEE80211_RATE_BASIC;
- break;
- case MODE_IEEE80211B:
- if (rate->rate == 10 || rate->rate == 20)
- rate->flags |= IEEE80211_RATE_BASIC;
- break;
- case MODE_ATHEROS_TURBO:
- if (rate->rate == 120 || rate->rate == 240 ||
- rate->rate == 480)
- rate->flags |= IEEE80211_RATE_BASIC;
- break;
- case MODE_IEEE80211G:
- if (rate->rate == 10 || rate->rate == 20 ||
- rate->rate == 55 || rate->rate == 110)
- rate->flags |= IEEE80211_RATE_BASIC;
- break;
- }
-
- /* Set ERP and MANDATORY flags based on phymode */
- switch (local->conf.phymode) {
- case MODE_IEEE80211A:
- if (rate->rate == 60 || rate->rate == 120 ||
- rate->rate == 240)
- rate->flags |= IEEE80211_RATE_MANDATORY;
- break;
- case MODE_IEEE80211B:
- if (rate->rate == 10)
- rate->flags |= IEEE80211_RATE_MANDATORY;
- break;
- case MODE_ATHEROS_TURBO:
- break;
- case MODE_IEEE80211G:
- if (rate->rate == 10 || rate->rate == 20 ||
- rate->rate == 55 || rate->rate == 110 ||
- rate->rate == 60 || rate->rate == 120 ||
- rate->rate == 240)
- rate->flags |= IEEE80211_RATE_MANDATORY;
- if (rate->rate != 10 && rate->rate != 20 &&
- rate->rate != 55 && rate->rate != 110)
- rate->flags |= IEEE80211_RATE_ERP;
- break;
- }
- }
-}
-
-
-static void ieee80211_key_threshold_notify(struct net_device *dev,
- struct ieee80211_key *key,
- struct sta_info *sta)
-{
- struct sk_buff *skb;
- struct ieee80211_msg_key_notification *msg;
-
- skb = dev_alloc_skb(sizeof(struct ieee80211_frame_info) +
- sizeof(struct ieee80211_msg_key_notification));
- if (skb == NULL)
- return;
-
- skb_reserve(skb, sizeof(struct ieee80211_frame_info));
- msg = (struct ieee80211_msg_key_notification *)
- skb_put(skb, sizeof(struct ieee80211_msg_key_notification));
- msg->tx_rx_count = key->tx_rx_count;
- memcpy(msg->ifname, dev->name, IFNAMSIZ);
- if (sta)
- memcpy(msg->addr, sta->addr, ETH_ALEN);
- else
- memset(msg->addr, 0xff, ETH_ALEN);
-
- key->tx_rx_count = 0;
-
- ieee80211_rx_mgmt(dev, skb, 0,
- ieee80211_msg_key_threshold_notification);
-}
-
-
-int ieee80211_get_hdrlen(u16 fc)
-{
- int hdrlen = 24;
-
- switch (WLAN_FC_GET_TYPE(fc)) {
- case WLAN_FC_TYPE_DATA:
- if ((fc & WLAN_FC_FROMDS) && (fc & WLAN_FC_TODS))
- hdrlen = 30; /* Addr4 */
- if (WLAN_FC_GET_STYPE(fc) & 0x08)
- hdrlen += 2; /* QoS Control Field */
- break;
- case WLAN_FC_TYPE_CTRL:
- switch (WLAN_FC_GET_STYPE(fc)) {
- case WLAN_FC_STYPE_CTS:
- case WLAN_FC_STYPE_ACK:
- hdrlen = 10;
- break;
- default:
- hdrlen = 16;
- break;
- }
- break;
- }
-
- return hdrlen;
-}
-
-
-int ieee80211_get_hdrlen_from_skb(struct sk_buff *skb)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- int hdrlen;
-
- if (unlikely(skb->len < 10))
- return 0;
- hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control));
- if (unlikely(hdrlen > skb->len))
- return 0;
- return hdrlen;
-}
-
-
-#ifdef IEEE80211_VERBOSE_DEBUG_FRAME_DUMP
-static void ieee80211_dump_frame(const char *ifname, const char *title,
- struct sk_buff *skb)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- u16 fc;
- int hdrlen;
-
- printk(KERN_DEBUG "%s: %s (len=%d)", ifname, title, skb->len);
- if (skb->len < 4) {
- printk("\n");
- return;
- }
-
- fc = le16_to_cpu(hdr->frame_control);
- hdrlen = ieee80211_get_hdrlen(fc);
- if (hdrlen > skb->len)
- hdrlen = skb->len;
- if (hdrlen >= 4)
- printk(" FC=0x%04x DUR=0x%04x",
- fc, le16_to_cpu(hdr->duration_id));
- if (hdrlen >= 10)
- printk(" A1=" MACSTR, MAC2STR(hdr->addr1));
- if (hdrlen >= 16)
- printk(" A2=" MACSTR, MAC2STR(hdr->addr2));
- if (hdrlen >= 24)
- printk(" A3=" MACSTR, MAC2STR(hdr->addr3));
- if (hdrlen >= 30)
- printk(" A4=" MACSTR, MAC2STR(hdr->addr4));
- printk("\n");
-}
-#else /* IEEE80211_VERBOSE_DEBUG_FRAME_DUMP */
-static inline void ieee80211_dump_frame(const char *ifname, const char *title,
- struct sk_buff *skb)
-{
-}
-#endif /* IEEE80211_VERBOSE_DEBUG_FRAME_DUMP */
-
-
-static int ieee80211_is_eapol(struct sk_buff *skb)
-{
- struct ieee80211_hdr *hdr;
- u16 fc;
- int hdrlen;
-
- if (unlikely(skb->len < 10))
- return 0;
-
- hdr = (struct ieee80211_hdr *) skb->data;
- fc = le16_to_cpu(hdr->frame_control);
-
- if (unlikely(!WLAN_FC_DATA_PRESENT(fc)))
- return 0;
-
- hdrlen = ieee80211_get_hdrlen(fc);
-
- if (unlikely(skb->len >= hdrlen + sizeof(eapol_header) &&
- memcmp(skb->data + hdrlen, eapol_header,
- sizeof(eapol_header)) == 0))
- return 1;
-
- return 0;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx)
-{
- struct rate_control_extra extra;
-
- memset(&extra, 0, sizeof(extra));
- extra.mgmt_data = tx->sdata &&
- tx->sdata->type == IEEE80211_SUB_IF_TYPE_MGMT;
- extra.ethertype = tx->ethertype;
- extra.startidx = 0;
- extra.endidx = tx->local->num_curr_rates;
-
-
- tx->u.tx.rate = rate_control_get_rate(tx->dev, tx->skb, &extra);
- if (unlikely(extra.probe != NULL)) {
- tx->u.tx.control->rate_ctrl_probe = 1;
- tx->u.tx.probe_last_frag = 1;
-// tx->u.tx.control->alt_retry_rate = tx->u.tx.rate->val;
- tx->u.tx.rate = extra.probe;
- } else {
-// tx->u.tx.control->alt_retry_rate = -1;
- }
- if (!tx->u.tx.rate)
- return TXRX_DROP;
- if (tx->local->conf.phymode == MODE_IEEE80211G &&
- tx->local->cts_protect_erp_frames && tx->fragmented &&
- extra.nonerp) {
- tx->u.tx.last_frag_rate = tx->u.tx.rate;
- tx->u.tx.last_frag_rateidx = extra.rateidx;
- tx->u.tx.probe_last_frag = extra.probe ? 1 : 0;
-
- tx->u.tx.rate = extra.nonerp;
-// tx->u.tx.control->rateidx = extra.nonerp_idx;
- tx->u.tx.control->rate_ctrl_probe = 0;
- } else {
- tx->u.tx.last_frag_rate = tx->u.tx.rate;
- tx->u.tx.last_frag_rateidx = extra.rateidx;
-// tx->u.tx.control->rateidx = extra.rateidx;
- }
- tx->u.tx.control->tx_rate = tx->u.tx.rate->val;
- if ((tx->u.tx.rate->flags & IEEE80211_RATE_PREAMBLE2) &&
- tx->local->short_preamble &&
- (!tx->sta || (tx->sta->flags & WLAN_STA_SHORT_PREAMBLE))) {
- tx->u.tx.short_preamble = 1;
- tx->u.tx.control->tx_rate = tx->u.tx.rate->val2;
- }
-
- return TXRX_CONTINUE;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx)
-{
- if (tx->sta)
- tx->u.tx.control->key_idx = tx->sta->key_idx_compression;
- else
- tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID;
-
- if (unlikely(tx->u.tx.control->do_not_encrypt))
- tx->key = NULL;
- else if (tx->sta && tx->sta->key)
- tx->key = tx->sta->key;
- else if (tx->sdata->default_key)
- tx->key = tx->sdata->default_key;
- else if (tx->sdata->drop_unencrypted && !(tx->sdata->eapol && ieee80211_is_eapol(tx->skb))) {
- I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted);
- return TXRX_DROP;
- } else
- tx->key = NULL;
-
- if (tx->key) {
- tx->key->tx_rx_count++;
- if (unlikely(tx->local->key_tx_rx_threshold &&
- tx->key->tx_rx_count >
- tx->local->key_tx_rx_threshold)) {
- ieee80211_key_threshold_notify(tx->dev, tx->key,
- tx->sta);
- }
- }
-
- return TXRX_CONTINUE;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
- size_t hdrlen, per_fragm, num_fragm, payload_len, left;
- struct sk_buff **frags, *first, *frag;
- int i;
- u8 *pos;
- int frag_threshold = tx->local->fragmentation_threshold;
-
- if (!tx->fragmented)
- return TXRX_CONTINUE;
-
-
- first = tx->skb;
-
- hdrlen = ieee80211_get_hdrlen(tx->fc);
- payload_len = first->len - hdrlen;
- per_fragm = frag_threshold - hdrlen - 4 /* FCS */;
- num_fragm = (payload_len + per_fragm - 1) / per_fragm;
-
- frags = (struct sk_buff **)
- kmalloc(num_fragm * sizeof(struct sk_buff *), GFP_ATOMIC);
- if (frags == NULL)
- goto fail;
- memset(frags, 0, num_fragm * sizeof(struct sk_buff *));
-
- hdr->frame_control |= cpu_to_le16(WLAN_FC_MOREFRAG);
- pos = first->data + hdrlen + per_fragm;
- left = payload_len - per_fragm;
- for (i = 0; i < num_fragm - 1; i++) {
- struct ieee80211_hdr *fhdr;
- size_t copylen;
-
- if (left <= 0)
- goto fail;
-
- /* reserve enough extra head and tail room for possible
- * encryption */
-#define IEEE80211_ENCRYPT_HEADROOM 8
-#define IEEE80211_ENCRYPT_TAILROOM 12
- frag = frags[i] =
- dev_alloc_skb(frag_threshold +
- IEEE80211_ENCRYPT_HEADROOM +
- IEEE80211_ENCRYPT_TAILROOM);
- if (!frag)
- goto fail;
- /* Make sure that all fragments use the same priority so
- * that they end up using the same TX queue */
- frag->priority = first->priority;
- skb_reserve(frag, IEEE80211_ENCRYPT_HEADROOM);
- fhdr = (struct ieee80211_hdr *) skb_put(frag, hdrlen);
- memcpy(fhdr, first->data, hdrlen);
- if (i == num_fragm - 2)
- fhdr->frame_control &= cpu_to_le16(~WLAN_FC_MOREFRAG);
- fhdr->seq_ctrl = cpu_to_le16(i + 1);
- copylen = left > per_fragm ? per_fragm : left;
- memcpy(skb_put(frag, copylen), pos, copylen);
-
- pos += copylen;
- left -= copylen;
- }
- skb_trim(first, hdrlen + per_fragm);
-
- tx->u.tx.num_extra_frag = num_fragm - 1;
- tx->u.tx.extra_frag = frags;
-
- return TXRX_CONTINUE;
-
- fail:
- printk(KERN_DEBUG "%s: failed to fragment frame\n", tx->dev->name);
- if (frags) {
- for (i = 0; i < num_fragm - 1; i++)
- if (frags[i])
- dev_kfree_skb(frags[i]);
- kfree(frags);
- }
- I802_DEBUG_INC(tx->local->tx_handlers_drop_fragment);
- return TXRX_DROP;
-}
-
-
-static int wep_encrypt_skb(struct ieee80211_txrx_data *tx, struct sk_buff *skb)
-{
- if (tx->key->force_sw_encrypt || tx->local->conf.sw_encrypt) {
- if (ieee80211_wep_encrypt(tx->local, skb, tx->key))
- return -1;
- } else {
- tx->u.tx.control->key_idx = tx->key->hw_key_idx;
- if (tx->local->hw->wep_include_iv) {
- if (ieee80211_wep_add_iv(tx->local, skb, tx->key) ==
- NULL)
- return -1;
- }
- }
- return 0;
-}
-
-
-void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
-
- hdr->frame_control |= cpu_to_le16(WLAN_FC_ISWEP);
- if (tx->u.tx.extra_frag) {
- struct ieee80211_hdr *fhdr;
- int i;
- for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
- fhdr = (struct ieee80211_hdr *)
- tx->u.tx.extra_frag[i]->data;
- fhdr->frame_control |= cpu_to_le16(WLAN_FC_ISWEP);
- }
- }
-}
-
-
-static ieee80211_txrx_result
-ieee80211_tx_h_wep_encrypt(struct ieee80211_txrx_data *tx)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
- u16 fc;
-
- fc = le16_to_cpu(hdr->frame_control);
-
- if (!tx->key || tx->key->alg != ALG_WEP ||
- (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_DATA &&
- (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
- WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_AUTH)))
- return TXRX_CONTINUE;
-
- tx->u.tx.control->iv_len = WEP_IV_LEN;
- tx->u.tx.control->icv_len = WEP_ICV_LEN;
- ieee80211_tx_set_iswep(tx);
-
- if (wep_encrypt_skb(tx, tx->skb) < 0) {
- I802_DEBUG_INC(tx->local->tx_handlers_drop_wep);
- return TXRX_DROP;
- }
-
- if (tx->u.tx.extra_frag) {
- int i;
- for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
- if (wep_encrypt_skb(tx, tx->u.tx.extra_frag[i]) < 0) {
- I802_DEBUG_INC(tx->local->
- tx_handlers_drop_wep);
- return TXRX_DROP;
- }
- }
- }
-
- return TXRX_CONTINUE;
-}
-
-
-static inline int ceiling_div(int dividend, int divisor)
-{
- return ((dividend + divisor - 1) / divisor);
-}
-
-
-static int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
- int rate, int erp, int short_preamble)
-{
- int dur;
-
- /* calculate duration (in microseconds, rounded up to next higher
- * integer if it includes a fractional microsecond) to send frame of
- * len bytes (does not include FCS) at the given rate. Duration will
- * also include SIFS.
- *
- * rate is in 100 kbps, so divident is multiplied by 10 in the
- * ceiling_div() operations.
- */
-
- if (local->conf.phymode == MODE_IEEE80211A || erp ||
- local->conf.phymode == MODE_ATHEROS_TURBO) {
- /*
- * OFDM:
- *
- * N_DBPS = DATARATE x 4
- * N_SYM = Ceiling((16+8xLENGTH+6) / N_DBPS)
- * (16 = SIGNAL time, 6 = tail bits)
- * TXTIME = T_PREAMBLE + T_SIGNAL + T_SYM x N_SYM + Signal Ext
- *
- * T_SYM = 4 usec
- * 802.11a - 17.5.2: aSIFSTime = 16 usec
- * 802.11g - 19.8.4: aSIFSTime = 10 usec +
- * signal ext = 6 usec
- */
- /* FIX: Atheros Turbo may have different (shorter) duration? */
- dur = 16; /* SIFS + signal ext */
- dur += 16; /* 17.3.2.3: T_PREAMBLE = 16 usec */
- dur += 4; /* 17.3.2.3: T_SIGNAL = 4 usec */
- dur += 4 * ceiling_div((16 + 8 * (len + 4) + 6) * 10,
- 4 * rate); /* T_SYM x N_SYM */
- } else {
- /*
- * 802.11b or 802.11g with 802.11b compatibility:
- * 18.3.4: TXTIME = PreambleLength + PLCPHeaderTime +
- * Ceiling(((LENGTH+PBCC)x8)/DATARATE). PBCC=0.
- *
- * 802.11 (DS): 15.3.3, 802.11b: 18.3.4
- * aSIFSTime = 10 usec
- * aPreambleLength = 144 usec or 72 usec with short preamble
- * aPLCPHeaderLength = 48 ms or 24 ms with short preamble
- */
- dur = 10; /* aSIFSTime = 10 usec */
- dur += short_preamble ? (72 + 24) : (144 + 48);
-
- dur += ceiling_div(8 * (len + 4) * 10, rate);
- }
-
- return dur;
-}
-
-
-static u16 ieee80211_duration(struct ieee80211_txrx_data *tx, int group_addr,
- int next_frag_len)
-{
- int rate, mrate, erp, dur, i;
- struct ieee80211_rate *txrate = tx->u.tx.rate;
- struct ieee80211_local *local = tx->local;
-
- erp = txrate->flags & IEEE80211_RATE_ERP;
-
- /*
- * data and mgmt (except PS Poll):
- * - during CFP: 32768
- * - during contention period:
- * if addr1 is group address: 0
- * if more fragments = 0 and addr1 is individual address: time to
- * transmit one ACK plus SIFS
- * if more fragments = 1 and addr1 is individual address: time to
- * transmit next fragment plus 2 x ACK plus 3 x SIFS
- *
- * IEEE 802.11, 9.6:
- * - control response frame (CTS or ACK) shall be transmitted using the
- * same rate as the immediately previous frame in the frame exchange
- * sequence, if this rate belongs to the PHY mandatory rates, or else
- * at the highest possible rate belonging to the PHY rates in the
- * BSSBasicRateSet
- */
-
- if (WLAN_FC_GET_TYPE(tx->fc) == WLAN_FC_TYPE_CTRL) {
- /* TODO: These control frames are not currently sent by
- * 80211.o, but should they be implemented, this function
- * needs to be updated to support duration field calculation.
- *
- * RTS: time needed to transmit pending data/mgmt frame plus
- * one CTS frame plus one ACK frame plus 3 x SIFS
- * CTS: duration of immediately previous RTS minus time
- * required to transmit CTS and its SIFS
- * ACK: 0 if immediately previous directed data/mgmt had
- * more=0, with more=1 duration in ACK frame is duration
- * from previous frame minus time needed to transmit ACK
- * and its SIFS
- * PS Poll: BIT(15) | BIT(14) | aid
- */
- return 0;
- }
-
- /* data/mgmt */
- if (0 /* FIX: data/mgmt during CFP */)
- return 32768;
-
- if (group_addr) /* Group address as the destination - no ACK */
- return 0;
-
- /* Individual destination address:
- * IEEE 802.11, Ch. 9.6 (after IEEE 802.11g changes)
- * CTS and ACK frames shall be transmitted using the highest rate in
- * basic rate set that is less than or equal to the rate of the
- * immediately previous frame and that is using the same modulation
- * (CCK or OFDM). If no basic rate set matches with these requirements,
- * the highest mandatory rate of the PHY that is less than or equal to
- * the rate of the previous frame is used.
- * Mandatory rates for IEEE 802.11g PHY: 1, 2, 5.5, 11, 6, 12, 24 Mbps
- */
- rate = -1;
- mrate = 10; /* use 1 Mbps if everything fails */
- for (i = 0; i < local->num_curr_rates; i++) {
- struct ieee80211_rate *r = &local->curr_rates[i];
- if (r->rate > txrate->rate)
- break;
-
- if (IEEE80211_RATE_MODULATION(txrate->flags) !=
- IEEE80211_RATE_MODULATION(r->flags))
- continue;
-
- if (r->flags & IEEE80211_RATE_BASIC)
- rate = r->rate;
- else if (r->flags & IEEE80211_RATE_MANDATORY)
- mrate = r->rate;
- }
- if (rate == -1) {
- /* No matching basic rate found; use highest suitable mandatory
- * PHY rate */
- rate = mrate;
- }
-
- /* Time needed to transmit ACK
- * (10 bytes + 4-byte FCS = 112 bits) plus SIFS; rounded up
- * to closest integer */
-
- dur = ieee80211_frame_duration(local, 10, rate, erp,
- local->short_preamble);
-
- if (next_frag_len) {
- /* Frame is fragmented: duration increases with time needed to
- * transmit next fragment plus ACK and 2 x SIFS. */
- dur *= 2; /* ACK + SIFS */
- /* next fragment */
- dur += ieee80211_frame_duration(local, next_frag_len,
- txrate->rate, erp,
- local->short_preamble);
- }
-
- return dur;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
- u16 dur;
- struct ieee80211_tx_control *control = tx->u.tx.control;
-
- if (!MULTICAST_ADDR(hdr->addr1)) {
- if (tx->skb->len >= tx->local->rts_threshold &&
- tx->local->rts_threshold < IEEE80211_MAX_RTS_THRESHOLD) {
- control->use_rts_cts = 1;
- control->retry_limit =
- tx->local->long_retry_limit;
- } else {
- control->retry_limit =
- tx->local->short_retry_limit;
- }
- } else {
- control->retry_limit = 1;
- }
-
- if (tx->fragmented) {
- /* Do not use multiple retry rates when sending fragmented
- * frames.
- * TODO: The last fragment could still use multiple retry
- * rates. */
-// control->alt_retry_rate = -1;
- }
-
- /* Use CTS protection for unicast frames sent using extended rates if
- * there are associated non-ERP stations and RTS/CTS is not configured
- * for the frame. */
- if (tx->local->conf.phymode == MODE_IEEE80211G &&
- (tx->u.tx.rate->flags & IEEE80211_RATE_ERP) &&
- tx->u.tx.unicast &&
- tx->local->cts_protect_erp_frames &&
- !control->use_rts_cts)
- control->use_cts_protect = 1;
-
-
- /* Setup duration field for the first fragment of the frame. Duration
- * for remaining fragments will be updated when they are being sent
- * to low-level driver in ieee80211_tx(). */
- dur = ieee80211_duration(tx, MULTICAST_ADDR(hdr->addr1),
- tx->fragmented ? tx->u.tx.extra_frag[0]->len :
- 0);
- hdr->duration_id = cpu_to_le16(dur);
-
- if (control->use_rts_cts || control->use_cts_protect) {
- struct ieee80211_rate *rate;
- int erp = tx->u.tx.rate->flags & IEEE80211_RATE_ERP;
-
- /* Do not use multiple retry rates when using RTS/CTS */
-// control->alt_retry_rate = -1;
-
- /* Use min(data rate, max base rate) as CTS/RTS rate */
- rate = tx->u.tx.rate;
- while (rate > tx->local->curr_rates &&
- !(rate->flags & IEEE80211_RATE_BASIC))
- rate--;
-
-
- if (control->use_rts_cts)
- dur += ieee80211_frame_duration(tx->local, 10,
- rate->rate, erp,
- tx->local->
- short_preamble);
- dur += ieee80211_frame_duration(tx->local, tx->skb->len,
- tx->u.tx.rate->rate, erp,
- tx->u.tx.short_preamble);
- control->rts_cts_duration = dur;
- control->rts_cts_rate = rate->val;
- }
-
- if (tx->sta) {
- tx->sta->tx_packets++;
- tx->sta->tx_fragments++;
- tx->sta->tx_bytes += tx->skb->len;
- if (tx->u.tx.extra_frag) {
- int i;
- tx->sta->tx_fragments += tx->u.tx.num_extra_frag;
- for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
- tx->sta->tx_bytes +=
- tx->u.tx.extra_frag[i]->len;
- }
- }
- }
- tx->local->scan.txrx_count++;
-
- return TXRX_CONTINUE;
-}
-
-
-static void ieee80211_rate_limit(unsigned long data)
-{
- struct ieee80211_local *local = (struct ieee80211_local *) data;
-
- if (local->rate_limit) {
- local->rate_limit_bucket += local->rate_limit;
- if (local->rate_limit_bucket > local->rate_limit_burst)
- local->rate_limit_bucket = local->rate_limit_burst;
- local->rate_limit_timer.expires = jiffies + HZ;
- add_timer(&local->rate_limit_timer);
- }
-
-}
-
-static ieee80211_txrx_result
-ieee80211_tx_h_rate_limit(struct ieee80211_txrx_data *tx)
-{
-
- if (likely(!tx->local->rate_limit || tx->u.tx.unicast))
- return TXRX_CONTINUE;
-
- /* rate limit */
- if (tx->local->rate_limit_bucket) {
- tx->local->rate_limit_bucket--;
- return TXRX_CONTINUE;
- }
-
- I802_DEBUG_INC(tx->local->tx_handlers_drop_rate_limit);
- return TXRX_DROP;
-}
-
-
-
-static ieee80211_txrx_result
-ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx)
-{
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
- struct sk_buff *skb = tx->skb;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
- u32 sta_flags;
-
- if (unlikely(tx->local->sta_scanning != 0) &&
- (WLAN_FC_GET_TYPE(tx->fc) != WLAN_FC_TYPE_MGMT ||
- WLAN_FC_GET_STYPE(tx->fc) != WLAN_FC_STYPE_PROBE_REQ))
- return TXRX_DROP;
-
- if (tx->u.tx.ps_buffered)
- return TXRX_CONTINUE;
-
- sta_flags = tx->sta ? tx->sta->flags : 0;
-
- if (likely(tx->u.tx.unicast)) {
- if (unlikely(!(sta_flags & WLAN_STA_ASSOC) &&
- tx->local->conf.mode != IW_MODE_ADHOC &&
- WLAN_FC_GET_TYPE(tx->fc) == WLAN_FC_TYPE_DATA)) {
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: dropped data frame to not "
- "associated station " MACSTR "\n",
- tx->dev->name, MAC2STR(hdr->addr1));
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
- I802_DEBUG_INC(tx->local->tx_handlers_drop_not_assoc);
- return TXRX_DROP;
- }
- } else {
- if (unlikely(WLAN_FC_GET_TYPE(tx->fc) == WLAN_FC_TYPE_DATA &&
- tx->local->num_sta == 0 &&
- !tx->local->allow_broadcast_always &&
- tx->local->conf.mode != IW_MODE_ADHOC)) {
- /*
- * No associated STAs - no need to send multicast
- * frames.
- */
- return TXRX_DROP;
- }
- return TXRX_CONTINUE;
- }
-
- if (unlikely(!tx->u.tx.mgmt_interface && tx->sdata->ieee802_1x &&
- !(sta_flags & WLAN_STA_AUTHORIZED))) {
-#ifdef CONFIG_IEEE80211_DEBUG
- struct ieee80211_hdr *hdr =
- (struct ieee80211_hdr *) tx->skb->data;
- printk(KERN_DEBUG "%s: dropped frame to " MACSTR
- " (unauthorized port)\n", tx->dev->name,
- MAC2STR(hdr->addr1));
-#endif
- I802_DEBUG_INC(tx->local->tx_handlers_drop_unauth_port);
- return TXRX_DROP;
- }
-
- return TXRX_CONTINUE;
-}
-
-
-/* This function is called whenever the AP is about to exceed the maximum limit
- * of buffered frames for power saving STAs. This situation should not really
- * happen often during normal operation, so dropping the oldest buffered packet
- * from each queue should be OK to make some room for new frames. */
-static void purge_old_ps_buffers(struct ieee80211_local *local)
-{
- int total = 0, purged = 0;
- struct sk_buff *skb;
- struct list_head *ptr;
-
- spin_lock_bh(&local->sub_if_lock);
- list_for_each(ptr, &local->sub_if_list) {
- struct ieee80211_if_norm *norm;
- struct ieee80211_sub_if_data *sdata =
- list_entry(ptr, struct ieee80211_sub_if_data, list);
- if (sdata->dev == local->mdev ||
- sdata->type != IEEE80211_SUB_IF_TYPE_NORM)
- continue;
- norm = &sdata->u.norm;
- skb = skb_dequeue(&norm->ps_bc_buf);
- if (skb) {
- purged++;
- dev_kfree_skb(skb);
- }
- total += skb_queue_len(&norm->ps_bc_buf);
- }
- spin_unlock_bh(&local->sub_if_lock);
-
- spin_lock_bh(&local->sta_lock);
- list_for_each(ptr, &local->sta_list) {
- struct sta_info *sta =
- list_entry(ptr, struct sta_info, list);
- skb = skb_dequeue(&sta->ps_tx_buf);
- if (skb) {
- purged++;
- dev_kfree_skb(skb);
- }
- total += skb_queue_len(&sta->ps_tx_buf);
- }
- spin_unlock_bh(&local->sta_lock);
-
- local->total_ps_buffered = total;
- printk(KERN_DEBUG "%s: PS buffers full - purged %d frames\n",
- local->mdev->name, purged);
-}
-
-
-static inline ieee80211_txrx_result
-ieee80211_tx_h_multicast_ps_buf(struct ieee80211_txrx_data *tx)
-{
- /* broadcast/multicast frame */
- /* If any of the associated stations is in power save mode,
- * the frame is buffered to be sent after DTIM beacon frame */
- if (tx->local->hw->host_broadcast_ps_buffering &&
- tx->sdata->type != IEEE80211_SUB_IF_TYPE_WDS &&
- tx->sdata->bss && atomic_read(&tx->sdata->bss->num_sta_ps) &&
- !(tx->fc & WLAN_FC_ORDER)) {
- if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER)
- purge_old_ps_buffers(tx->local);
- if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >=
- AP_MAX_BC_BUFFER) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: BC TX buffer full - "
- "dropping the oldest frame\n",
- tx->dev->name);
- }
- dev_kfree_skb(skb_dequeue(&tx->sdata->bss->ps_bc_buf));
- } else
- tx->local->total_ps_buffered++;
- skb_queue_tail(&tx->sdata->bss->ps_bc_buf, tx->skb);
- return TXRX_QUEUED;
- }
-
- return TXRX_CONTINUE;
-}
-
-
-static inline ieee80211_txrx_result
-ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx)
-{
- struct sta_info *sta = tx->sta;
-
- if (unlikely(!sta ||
- (WLAN_FC_GET_TYPE(tx->fc) == WLAN_FC_TYPE_MGMT &&
- WLAN_FC_GET_STYPE(tx->fc) == WLAN_FC_STYPE_PROBE_RESP)))
- return TXRX_CONTINUE;
-
- if (unlikely((sta->flags & WLAN_STA_PS) && !sta->pspoll)) {
- struct ieee80211_tx_packet_data *pkt_data;
-#ifdef IEEE80211_VERBOSE_DEBUG_PS
- printk(KERN_DEBUG "STA " MACSTR " aid %d: PS buffer (entries "
- "before %d)\n",
- MAC2STR(sta->addr), sta->aid,
- skb_queue_len(&sta->ps_tx_buf));
-#endif /* IEEE80211_VERBOSE_DEBUG_PS */
- sta->flags |= WLAN_STA_TIM;
- if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER)
- purge_old_ps_buffers(tx->local);
- if (skb_queue_len(&sta->ps_tx_buf) >= STA_MAX_TX_BUFFER) {
- struct sk_buff *old = skb_dequeue(&sta->ps_tx_buf);
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: STA " MACSTR " TX "
- "buffer full - dropping oldest frame\n",
- tx->dev->name, MAC2STR(sta->addr));
- }
- dev_kfree_skb(old);
- } else
- tx->local->total_ps_buffered++;
- /* Queue frame to be sent after STA sends an PS Poll frame */
- if (skb_queue_empty(&sta->ps_tx_buf) && tx->local->hw->set_tim)
- tx->local->hw->set_tim(tx->dev, sta->aid, 1);
- pkt_data = (struct ieee80211_tx_packet_data *)tx->skb->cb;
- pkt_data->jiffies = jiffies;
- skb_queue_tail(&sta->ps_tx_buf, tx->skb);
- return TXRX_QUEUED;
- }
-#ifdef IEEE80211_VERBOSE_DEBUG_PS
- else if (unlikely(sta->flags & WLAN_STA_PS)) {
- printk(KERN_DEBUG "%s: STA " MACSTR " in PS mode, but pspoll "
- "set -> send frame\n", tx->dev->name,
- MAC2STR(sta->addr));
- }
-#endif /* IEEE80211_VERBOSE_DEBUG_PS */
- sta->pspoll = 0;
-
- return TXRX_CONTINUE;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_tx_h_ps_buf(struct ieee80211_txrx_data *tx)
-{
- if (unlikely(tx->u.tx.ps_buffered))
- return TXRX_CONTINUE;
-
- if (tx->u.tx.unicast)
- return ieee80211_tx_h_unicast_ps_buf(tx);
- else
- return ieee80211_tx_h_multicast_ps_buf(tx);
-}
-
-
-static void inline ieee80211_tx_prepare(struct ieee80211_txrx_data *tx,
- struct sk_buff *skb,
- struct net_device *dev,
- struct ieee80211_tx_control *control)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- struct ieee80211_tx_packet_data *pkt_data;
- int hdrlen;
-
- pkt_data = (struct ieee80211_tx_packet_data *)skb->cb;
-
- memset(tx, 0, sizeof(*tx));
- tx->skb = skb;
- tx->dev = pkt_data->sdata->dev; /* use original interface */
- tx->local = local;
- tx->sdata = pkt_data->sdata;
- tx->sta = sta_info_get(local, hdr->addr1);
- tx->fc = le16_to_cpu(hdr->frame_control);
- control->power_level = local->conf.power_level;
- tx->u.tx.control = control;
- tx->u.tx.unicast = !MULTICAST_ADDR(hdr->addr1);
- control->no_ack = MULTICAST_ADDR(hdr->addr1);
- tx->fragmented = local->fragmentation_threshold <
- IEEE80211_MAX_FRAG_THRESHOLD && tx->u.tx.unicast &&
- skb->len + 4 /* FCS */ > local->fragmentation_threshold &&
- (local->hw->set_frag_threshold == NULL);
- if (tx->sta == NULL)
- control->clear_dst_mask = 1;
- else if (tx->sta->clear_dst_mask) {
- control->clear_dst_mask = 1;
- tx->sta->clear_dst_mask = 0;
- }
- control->antenna_sel = local->conf.antenna_sel;
- if (local->sta_antenna_sel != STA_ANTENNA_SEL_AUTO && tx->sta)
- control->antenna_sel = tx->sta->antenna_sel;
- hdrlen = ieee80211_get_hdrlen(tx->fc);
- if (skb->len > hdrlen + sizeof(rfc1042_header) + 2) {
- u8 *pos = &skb->data[hdrlen + sizeof(rfc1042_header)];
- tx->ethertype = (pos[0] << 8) | pos[1];
- }
-
-}
-
-
-static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_tx_control *control, int mgmt)
-{
- struct ieee80211_local *local = dev->priv;
- struct sta_info *sta;
- ieee80211_tx_handler *handler;
- struct ieee80211_txrx_data tx;
- ieee80211_txrx_result res = TXRX_DROP;
- int ret, i;
-
- if (unlikely(skb->len < 10)) {
- dev_kfree_skb(skb);
- return 0;
- }
-
- ieee80211_tx_prepare(&tx, skb, dev, control);
- sta = tx.sta;
- tx.u.tx.mgmt_interface = mgmt;
-
- for (handler = local->tx_handlers; *handler != NULL; handler++) {
- res = (*handler)(&tx);
- if (res != TXRX_CONTINUE)
- break;
- }
-
- skb = tx.skb; /* handlers are allowed to change skb */
-
- if (sta)
- sta_info_release(local, sta);
-
- if (unlikely(res == TXRX_DROP)) {
- I802_DEBUG_INC(local->tx_handlers_drop);
- goto drop;
- }
-
- if (unlikely(res == TXRX_QUEUED)) {
- I802_DEBUG_INC(local->tx_handlers_queued);
- return 0;
- }
-
- ieee80211_dump_frame(dev->name, "TX to low-level driver", skb);
- ret = local->hw->tx(dev, skb, control);
-#ifdef IEEE80211_LEDS
- if (!ret && local->tx_led_counter++ == 0) {
- ieee80211_tx_led(1, dev);
- }
-#endif /* IEEE80211_LEDS */
- if (tx.u.tx.extra_frag) {
- if (ret > 0) {
- /* Must free all fragments and return 0 since skb data
- * has been fragmented into multiple buffers.
- * TODO: could free extra fragments and restore skb to
- * the original form since the data is still there and
- * then return nonzero so that Linux netif would
- * retry. */
- goto drop;
- }
-
- skb = NULL; /* skb is now owned by low-level driver */
- control->use_rts_cts = 0;
- control->use_cts_protect = 0;
- control->clear_dst_mask = 0;
- for (i = 0; i < tx.u.tx.num_extra_frag; i++) {
- int next_len, dur;
- struct ieee80211_hdr *hdr =
- (struct ieee80211_hdr *)
- tx.u.tx.extra_frag[i]->data;
- if (i + 1 < tx.u.tx.num_extra_frag)
- next_len = tx.u.tx.extra_frag[i + 1]->len;
- else {
- next_len = 0;
- tx.u.tx.rate = tx.u.tx.last_frag_rate;
- tx.u.tx.control->tx_rate = tx.u.tx.rate->val;
-// tx.u.tx.control->rateidx =
-// tx.u.tx.last_frag_rateidx;
- tx.u.tx.control->rate_ctrl_probe =
- tx.u.tx.probe_last_frag;
- }
- dur = ieee80211_duration(&tx, 0, next_len);
- hdr->duration_id = cpu_to_le16(dur);
-
- ieee80211_dump_frame(dev->name,
- "TX to low-level driver", skb);
- ret = local->hw->tx(dev, tx.u.tx.extra_frag[i],
- control);
- if (ret > 0)
- goto drop;
-#ifdef IEEE80211_LEDS
- if (local->tx_led_counter++ == 0) {
- ieee80211_tx_led(1, dev);
- }
-#endif /* IEEE80211_LEDS */
- tx.u.tx.extra_frag[i] = NULL;
- }
- kfree(tx.u.tx.extra_frag);
- }
- if (ret == -1)
- ret = 0;
- return ret;
-
- drop:
- if (skb)
- dev_kfree_skb(skb);
- for (i = 0; i < tx.u.tx.num_extra_frag; i++)
- if (tx.u.tx.extra_frag[i])
- dev_kfree_skb(tx.u.tx.extra_frag[i]);
- kfree(tx.u.tx.extra_frag);
- return 0;
-}
-
-
-static int ieee80211_master_start_xmit(struct sk_buff *skb,
- struct net_device *dev)
-{
- struct ieee80211_tx_control control;
- struct ieee80211_tx_packet_data *pkt_data;
- struct ieee80211_sub_if_data *sdata;
- int ret = 1;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- /*
- * copy control out of the skb so other people can use skb->cb
- */
- pkt_data = (struct ieee80211_tx_packet_data *)skb->cb;
- if (unlikely(pkt_data->magic != IEEE80211_CB_MAGIC)) {
- printk(KERN_WARNING "%s: Someone messed with our skb->cb\n",
- dev->name);
- dev_kfree_skb(skb);
- return 0;
- }
- memcpy(&control, &pkt_data->control,
- sizeof(struct ieee80211_tx_control));
-
- ret = ieee80211_tx(dev, skb, &control,
- pkt_data->sdata->type ==
- IEEE80211_SUB_IF_TYPE_MGMT);
-
- return ret;
-}
-
-
-/**
- * ieee80211_subif_start_xmit - netif start_xmit function for Ethernet-type
- * subinterfaces (wlan#, WDS, and VLAN interfaces)
- * @skb: packet to be sent
- * @dev: incoming interface
- *
- * Returns: 0 on success (and frees skb in this case) or 1 on failure (skb will
- * not be freed, and caller is responsible for either retrying later or freeing
- * skb).
- *
- * This function takes in an Ethernet header and encapsulates it with suitable
- * IEEE 802.11 header based on which interface the packet is coming in. The
- * encapsulated packet will then be passed to master interface, wlan#.11, for
- * transmission (through low-level driver).
- */
-static int ieee80211_subif_start_xmit(struct sk_buff *skb,
- struct net_device *dev)
-{
- struct ieee80211_local *local = (struct ieee80211_local *) dev->priv;
- struct ieee80211_tx_packet_data *pkt_data;
- struct ieee80211_sub_if_data *sdata;
- int ret = 1, head_need;
- u16 ethertype, hdrlen, fc;
- struct ieee80211_hdr hdr;
- u8 *encaps_data;
- int encaps_len, skip_header_bytes;
- int nh_pos, h_pos, no_encrypt = 0;
- struct sta_info *sta;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (unlikely(skb->len < ETH_HLEN)) {
- printk(KERN_DEBUG "%s: short skb (len=%d)\n",
- dev->name, skb->len);
- ret = 0;
- goto fail;
- }
-
- nh_pos = skb->nh.raw - skb->data;
- h_pos = skb->h.raw - skb->data;
-
- /* convert Ethernet header to proper 802.11 header (based on
- * operation mode) */
- ethertype = (skb->data[12] << 8) | skb->data[13];
- /* TODO: handling for 802.1x authorized/unauthorized port */
- fc = (WLAN_FC_TYPE_DATA << 2) | (WLAN_FC_STYPE_DATA << 4);
-
- if (likely(sdata->type == IEEE80211_SUB_IF_TYPE_NORM ||
- sdata->type == IEEE80211_SUB_IF_TYPE_VLAN)) {
- if (local->conf.mode == IW_MODE_MASTER) {
- fc |= WLAN_FC_FROMDS;
- /* DA BSSID SA */
- memcpy(hdr.addr1, skb->data, ETH_ALEN);
- memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
- memcpy(hdr.addr3, skb->data + ETH_ALEN, ETH_ALEN);
- } else if (local->conf.mode == IW_MODE_INFRA) {
- fc |= WLAN_FC_TODS;
- /* BSSID SA DA */
- memcpy(hdr.addr1, local->bssid, ETH_ALEN);
- memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
- memcpy(hdr.addr3, skb->data, ETH_ALEN);
- } else if (local->conf.mode == IW_MODE_ADHOC) {
- /* DA SA BSSID */
- memcpy(hdr.addr1, skb->data, ETH_ALEN);
- memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
- memcpy(hdr.addr3, local->bssid, ETH_ALEN);
- }
- hdrlen = 24;
- } else if (sdata->type == IEEE80211_SUB_IF_TYPE_WDS) {
- fc |= WLAN_FC_FROMDS | WLAN_FC_TODS;
- /* RA TA DA SA */
- memcpy(hdr.addr1, sdata->u.wds.remote_addr, ETH_ALEN);
- memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
- memcpy(hdr.addr3, skb->data, ETH_ALEN);
- memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
- hdrlen = 30;
- } else if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
- if (local->conf.mode == IW_MODE_INFRA) {
- fc |= WLAN_FC_TODS;
- /* BSSID SA DA */
- memcpy(hdr.addr1, sdata->u.sta.bssid, ETH_ALEN);
- memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
- memcpy(hdr.addr3, skb->data, ETH_ALEN);
- } else {
- /* DA SA BSSID */
- memcpy(hdr.addr1, skb->data, ETH_ALEN);
- memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
- memcpy(hdr.addr3, sdata->u.sta.bssid, ETH_ALEN);
- }
- hdrlen = 24;
- } else {
- ret = 0;
- goto fail;
- }
-
- /* receiver is QoS enabled, use a QoS type frame */
- sta = sta_info_get(local, hdr.addr1);
- if (sta) {
- if (sta->flags & WLAN_STA_WME) {
- fc |= WLAN_FC_STYPE_QOS_DATA << 4;
- hdrlen += 2;
- }
- sta_info_release(local, sta);
- }
-
- hdr.frame_control = cpu_to_le16(fc);
- hdr.duration_id = 0;
- hdr.seq_ctrl = 0;
-
- skip_header_bytes = ETH_HLEN;
- if (ethertype == ETH_P_AARP || ethertype == ETH_P_IPX) {
- encaps_data = bridge_tunnel_header;
- encaps_len = sizeof(bridge_tunnel_header);
- skip_header_bytes -= 2;
- } else if (ethertype >= 0x600) {
- encaps_data = rfc1042_header;
- encaps_len = sizeof(rfc1042_header);
- skip_header_bytes -= 2;
- } else {
- encaps_data = NULL;
- encaps_len = 0;
- }
-
- skb_pull(skb, skip_header_bytes);
- nh_pos -= skip_header_bytes;
- h_pos -= skip_header_bytes;
-
- /* TODO: implement support for fragments so that there is no need to
- * reallocate and copy payload; it might be enough to support one
- * extra fragment that would be copied in the beginning of the frame
- * data.. anyway, it would be nice to include this into skb structure
- * somehow
- *
- * There are few options for this:
- * use skb->cb as an extra space for 802.11 header
- * allocate new buffer if not enough headroom
- * make sure that there is enough headroom in every skb by increasing
- * build in headroom in __dev_alloc_skb() (linux/skbuff.h) and
- * alloc_skb() (net/core/skbuff.c)
- */
- head_need = hdrlen + encaps_len + (local->hw->extra_hdr_room ? 2 : 0);
- head_need -= skb_headroom(skb);
-
- /* We are going to modify skb data, so make a copy of it if happens to
- * be cloned. This could happen, e.g., with Linux bridge code passing
- * us broadcast frames. */
-
- if (head_need > 0 || skb_cloned(skb)) {
-#if 0
- printk(KERN_DEBUG "%s: need to reallocate buffer for %d bytes "
- "of headroom\n", dev->name, head_need);
-#endif
-
- if (skb_cloned(skb))
- I802_DEBUG_INC(local->tx_expand_skb_head_cloned);
- else
- I802_DEBUG_INC(local->tx_expand_skb_head);
- /* Since we have to reallocate the buffer, make sure that there
- * is enough room for possible WEP IV/ICV and TKIP (8 bytes
- * before payload and 12 after). */
- if (pskb_expand_head(skb, (head_need > 0 ? head_need + 8 : 8),
- 12, GFP_ATOMIC)) {
- printk(KERN_DEBUG "%s: failed to reallocate TX buffer"
- "\n", dev->name);
- goto fail;
- }
- }
-
- if (encaps_data) {
- memcpy(skb_push(skb, encaps_len), encaps_data, encaps_len);
- nh_pos += encaps_len;
- h_pos += encaps_len;
- }
- memcpy(skb_push(skb, hdrlen), &hdr, hdrlen);
- nh_pos += hdrlen;
- h_pos += hdrlen;
-
- pkt_data = (struct ieee80211_tx_packet_data *)skb->cb;
- memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data));
- pkt_data->magic = IEEE80211_CB_MAGIC;
- pkt_data->sdata = sdata;
- pkt_data->control.do_not_encrypt = no_encrypt;
-
- skb->dev = sdata->master;
- sdata->stats.tx_packets++;
- sdata->stats.tx_bytes += skb->len;
-
- /* Update skb pointers to various headers since this modified frame
- * is going to go through Linux networking code that may potentially
- * need things like pointer to IP header. */
- skb->mac.raw = skb->data;
- skb->nh.raw = skb->data + nh_pos;
- skb->h.raw = skb->data + h_pos;
-
-
- dev_queue_xmit(skb);
-
- return 0;
-
- fail:
- if (!ret)
- dev_kfree_skb(skb);
-
- return ret;
-}
-
-
-/*
- * This is the transmit routine for the 802.11 type interfaces
- * called by upper layers of the linux networking
- * stack when it has a frame to transmit
- */
-static int
-ieee80211_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_tx_packet_data *pkt_data;
- struct ieee80211_hdr *hdr;
- u16 fc;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (skb->len < 10) {
- dev_kfree_skb(skb);
- return 0;
- }
-
- hdr = (struct ieee80211_hdr *) skb->data;
- fc = le16_to_cpu(hdr->frame_control);
-
- pkt_data = (struct ieee80211_tx_packet_data *)skb->cb;
- memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data));
- pkt_data->magic = IEEE80211_CB_MAGIC;
- pkt_data->sdata = sdata;
-
- if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
- WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP)
- pkt_data->control.pkt_type = PKT_PROBE_RESP;
-
- skb->priority = 20; /* use hardcode priority for mgmt TX queue */
- skb->dev = sdata->master;
-
- /*
- * We're using the protocol field of the the frame control header
- * to request TX callback for hostapd. BIT(1) is checked.
- */
- if ((fc & BIT(1)) == BIT(1)) {
- pkt_data->control.req_tx_status = 1;
- fc &= ~BIT(1);
- hdr->frame_control = cpu_to_le16(fc);
- }
-
-
-
- pkt_data->control.do_not_encrypt = !(fc & WLAN_FC_ISWEP);
-
- sdata->stats.tx_packets++;
- sdata->stats.tx_bytes += skb->len;
-
- dev_queue_xmit(skb);
-
- return 0;
-}
-
-
-static void ieee80211_beacon_add_tim(struct ieee80211_local *local,
- struct ieee80211_if_norm *bss,
- struct sk_buff *skb)
-{
- u8 *pos, *tim;
- int aid0 = 0;
- int i, num_bits = 0, n1, n2;
- u8 bitmap[251];
-
- /* Generate bitmap for TIM only if there are any STAs in power save
- * mode. */
- if (atomic_read(&bss->num_sta_ps) > 0 && bss->max_aid > 0) {
- memset(bitmap, 0, sizeof(bitmap));
- spin_lock_bh(&local->sta_lock);
- for (i = 0; i < bss->max_aid; i++) {
- if (bss->sta_aid[i] &&
- (!skb_queue_empty(&bss->sta_aid[i]->ps_tx_buf) ||
- !skb_queue_empty(&bss->sta_aid[i]->tx_filtered)))
- {
- bitmap[(i + 1) / 8] |= 1 << (i + 1) % 8;
- num_bits++;
- }
- }
- spin_unlock_bh(&local->sta_lock);
- }
-
- if (bss->dtim_count == 0)
- bss->dtim_count = bss->dtim_period - 1;
- else
- bss->dtim_count--;
-
- tim = pos = (u8 *) skb_put(skb, 6);
- *pos++ = WLAN_EID_TIM;
- *pos++ = 4;
- *pos++ = bss->dtim_count;
- *pos++ = bss->dtim_period;
-
- if (bss->dtim_count == 0 && !skb_queue_empty(&bss->ps_bc_buf)) {
- aid0 = 1;
- }
-
- if (num_bits) {
- /* Find largest even number N1 so that bits numbered 1 through
- * (N1 x 8) - 1 in the bitmap are 0 and number N2 so that bits
- * (N2 + 1) x 8 through 2007 are 0. */
- n1 = 0;
- for (i = 0; i < sizeof(bitmap); i++) {
- if (bitmap[i]) {
- n1 = i & 0xfe;
- break;
- }
- }
- n2 = n1;
- for (i = sizeof(bitmap) - 1; i >= n1; i--) {
- if (bitmap[i]) {
- n2 = i;
- break;
- }
- }
-
- /* Bitmap control */
- *pos++ = n1 | (aid0 ? 1 : 0);
- /* Part Virt Bitmap */
- memcpy(pos, bitmap + n1, n2 - n1 + 1);
-
- tim[1] = n2 - n1 + 4;
- skb_put(skb, n2 - n1);
- } else {
- *pos++ = aid0 ? 1 : 0; /* Bitmap control */
- *pos++ = 0; /* Part Virt Bitmap */
- }
-}
-
-
-
-
-struct sk_buff * ieee80211_beacon_get(struct net_device *dev, int bss_idx,
- struct ieee80211_tx_control *control)
-{
- struct ieee80211_local *local = dev->priv;
- struct sk_buff *skb;
- struct net_device *bdev;
- struct ieee80211_sub_if_data *sdata = NULL;
- struct ieee80211_if_norm *norm = NULL;
- struct ieee80211_rate *rate;
- struct rate_control_extra extra;
- u8 *b_head, *b_tail;
- int bh_len, bt_len;
-
-
- spin_lock_bh(&local->sub_if_lock);
- if (bss_idx < 0 || bss_idx >= local->bss_dev_count)
- bdev = NULL;
- else {
- bdev = local->bss_devs[bss_idx];
- sdata = IEEE80211_DEV_TO_SUB_IF(bdev);
- norm = &sdata->u.norm;
- }
- spin_unlock_bh(&local->sub_if_lock);
-
- if (bdev == NULL || norm == NULL || norm->beacon_head == NULL) {
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
- if (net_ratelimit())
- printk(KERN_DEBUG "no beacon data avail for idx=%d "
- "(%s)\n", bss_idx, bdev ? bdev->name : "N/A");
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
- return NULL;
- }
-
- /* Assume we are generating the normal beacon locally */
- b_head = norm->beacon_head;
- b_tail = norm->beacon_tail;
- bh_len = norm->beacon_head_len;
- bt_len = norm->beacon_tail_len;
-
-
- skb = dev_alloc_skb(bh_len + bt_len + 256 /* maximum TIM len */);
- if (!skb)
- return NULL;
-
- memcpy(skb_put(skb, bh_len), b_head, bh_len);
-
- ieee80211_beacon_add_tim(local, norm, skb);
-
- if (b_tail) {
- memcpy(skb_put(skb, bt_len), b_tail, bt_len);
- }
-
- memset(&extra, 0, sizeof(extra));
- extra.endidx = local->num_curr_rates;
-
-
- rate = rate_control_get_rate(dev, skb, &extra);
- if (rate == NULL) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: ieee80211_beacon_get: no rate "
- "found\n", dev->name);
- }
- dev_kfree_skb(skb);
- return NULL;
- }
-
- control->tx_rate = (local->short_preamble &&
- (rate->flags & IEEE80211_RATE_PREAMBLE2)) ?
- rate->val2 : rate->val;
- control->antenna_sel = local->conf.antenna_sel;
- control->power_level = local->conf.power_level;
- control->no_ack = 1;
- control->retry_limit = 1;
- control->rts_cts_duration = 0;
- control->clear_dst_mask = 1;
-
-
- norm->num_beacons++;
- return skb;
-}
-
-struct sk_buff *
-ieee80211_get_buffered_bc(struct net_device *dev, int bss_idx,
- struct ieee80211_tx_control *control)
-{
- struct ieee80211_local *local = dev->priv;
- struct sk_buff *skb;
- struct sta_info *sta;
- ieee80211_tx_handler *handler;
- struct ieee80211_txrx_data tx;
- ieee80211_txrx_result res = TXRX_DROP;
- struct net_device *bdev;
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_if_norm *bss;
-
-
- spin_lock_bh(&local->sub_if_lock);
- if (bss_idx < 0 || bss_idx >= local->bss_dev_count) {
- bdev = NULL;
- bss = NULL;
- } else {
- bdev = local->bss_devs[bss_idx];
- sdata = IEEE80211_DEV_TO_SUB_IF(bdev);
- bss = &sdata->u.norm;
- }
- spin_unlock_bh(&local->sub_if_lock);
- if (bdev == NULL || bss == NULL || bss->beacon_head == NULL)
- return NULL;
-
- if (bss->dtim_count != 0)
- return NULL; /* send buffered bc/mc only after DTIM beacon */
- skb = skb_dequeue(&bss->ps_bc_buf);
- memset(control, 0, sizeof(*control));
- if (skb == NULL)
- return NULL;
- local->total_ps_buffered--;
-
- if (!skb_queue_empty(&bss->ps_bc_buf) && skb->len >= 2) {
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- /* more buffered multicast/broadcast frames ==> set MoreData
- * flag in IEEE 802.11 header to inform PS STAs */
- hdr->frame_control |= cpu_to_le16(WLAN_FC_MOREDATA);
- }
-
- ieee80211_tx_prepare(&tx, skb, dev, control);
- sta = tx.sta;
- tx.u.tx.ps_buffered = 1;
-
- for (handler = local->tx_handlers; *handler != NULL; handler++) {
- res = (*handler)(&tx);
- if (res == TXRX_DROP || res == TXRX_QUEUED)
- break;
- }
-
- if (res == TXRX_DROP) {
- I802_DEBUG_INC(local->tx_handlers_drop);
- dev_kfree_skb(skb);
- skb = NULL;
- } else if (res == TXRX_QUEUED) {
- I802_DEBUG_INC(local->tx_handlers_queued);
- skb = NULL;
- }
-
- if (sta)
- sta_info_release(local, sta);
-
- return skb;
-}
-
-
-int ieee80211_hw_config(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
- int i, ret = 0;
-
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "HW CONFIG: channel=%d freq=%d mode=%d "
- "phymode=%d\n", local->conf.channel, local->conf.freq,
- local->conf.mode, local->conf.phymode);
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
-
- if (local->hw->config)
- ret = local->hw->config(dev, &local->conf);
-
- for (i = 0; i < local->hw->num_modes; i++) {
- struct ieee80211_hw_modes *mode = &local->hw->modes[i];
- if (mode->mode == local->conf.phymode) {
- if (local->curr_rates != mode->rates) {
- rate_control_clear(local);
- }
- local->curr_rates = mode->rates;
- local->num_curr_rates = mode->num_rates;
- ieee80211_prepare_rates(dev);
- break;
- }
- }
-
- return ret;
-}
-
-
-struct ieee80211_conf *ieee80211_get_hw_conf(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
- return &local->conf;
-}
-
-
-static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
-{
- /* FIX: what would be proper limits for MTU?
- * This interface uses 802.3 frames. */
- if (new_mtu < 256 || new_mtu > 2304 - 24 - 6) {
- printk(KERN_WARNING "%s: invalid MTU %d\n",
- dev->name, new_mtu);
- return -EINVAL;
- }
-
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: setting MTU %d\n", dev->name, new_mtu);
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
- dev->mtu = new_mtu;
- return 0;
-}
-
-
-static int ieee80211_change_mtu_apdev(struct net_device *dev, int new_mtu)
-{
- /* FIX: what would be proper limits for MTU?
- * This interface uses 802.11 frames. */
- if (new_mtu < 256 || new_mtu > 2304) {
- printk(KERN_WARNING "%s: invalid MTU %d\n",
- dev->name, new_mtu);
- return -EINVAL;
- }
-
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: setting MTU %d\n", dev->name, new_mtu);
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
- dev->mtu = new_mtu;
- return 0;
-}
-
-
-static void ieee80211_tx_timeout(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
-
- printk(KERN_WARNING "%s: resetting interface.\n", dev->name);
-
- if (local->hw->reset(dev))
- printk(KERN_ERR "%s: failed to reset interface.\n", dev->name);
- else
- netif_wake_queue(dev);
-}
-
-
-static int ieee80211_set_mac_address(struct net_device *dev, void *addr)
-{
- struct ieee80211_local *local = dev->priv;
- struct sockaddr *a = addr;
- struct list_head *ptr;
- int res;
-
- if (!local->hw->set_mac_address)
- return -EOPNOTSUPP;
-
- res = local->hw->set_mac_address(dev, addr);
- if (res)
- return res;
-
- list_for_each(ptr, &local->sub_if_list) {
- struct ieee80211_sub_if_data *sdata =
- list_entry(ptr, struct ieee80211_sub_if_data, list);
- memcpy(sdata->dev->dev_addr, a->sa_data, ETH_ALEN);
- }
-
- return 0;
-}
-
-
-static struct net_device_stats *ieee80211_get_stats(struct net_device *dev)
-{
- struct ieee80211_sub_if_data *sdata;
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- return &(sdata->stats);
-}
-
-
-static int ieee80211_open(struct net_device *dev)
-{
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_local *local = dev->priv;
- int res;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (local->open_count == 0) {
- res = local->hw->open(sdata->master);
- if (res)
- return res;
- ieee80211_init_scan(sdata->master);
- }
- local->open_count++;
-
- netif_start_queue(dev);
- return 0;
-}
-
-
-static int ieee80211_stop(struct net_device *dev)
-{
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_local *local = dev->priv;
- int res;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- netif_stop_queue(dev);
-
- local->open_count--;
- if (local->open_count == 0) {
- ieee80211_stop_scan(sdata->master);
- res = local->hw->stop(sdata->master);
- if (res)
- return res;
- }
-
- return 0;
-}
-
-
-static int header_parse_80211(struct sk_buff *skb, unsigned char *haddr)
-{
- memcpy(haddr, skb->mac.raw + 10, ETH_ALEN); /* addr2 */
- return ETH_ALEN;
-}
-
-
-static struct net_device *
-ieee80211_get_wds_dev(struct ieee80211_local *local, u8 *addr)
-{
- struct list_head *ptr;
-
- list_for_each(ptr, &local->sub_if_list) {
- struct ieee80211_sub_if_data *sdata =
- list_entry(ptr, struct ieee80211_sub_if_data, list);
- if (sdata->type == IEEE80211_SUB_IF_TYPE_WDS &&
- memcmp(addr, sdata->u.wds.remote_addr, ETH_ALEN) == 0)
- return sdata->dev;
- }
-
- return NULL;
-}
-
-
-static struct net_device * ieee80211_own_bssid(struct ieee80211_local *local,
- u8 *addr)
-{
- int i;
- struct net_device *dev = NULL;
-
- spin_lock_bh(&local->sub_if_lock);
- for (i = 0; i < local->bss_dev_count; i++) {
- if ((memcmp(local->bss_devs[i]->dev_addr, addr, ETH_ALEN) == 0)
- ) {
- dev = local->bss_devs[i];
- break;
- }
- }
- spin_unlock_bh(&local->sub_if_lock);
-
- return dev;
-}
-
-
-
-
-static struct net_device * ieee80211_sta_bssid(struct ieee80211_local *local,
- u8 *addr, u8 *a1,
- int *sta_multicast)
-{
- struct list_head *ptr;
- int multicast;
- u8 *own_addr = local->mdev->dev_addr;
-
- multicast = a1[0] & 0x01;
-
- /* Try O(1) lookup for a common case of only one AP being used. */
- if (own_addr[0] == a1[0] && own_addr[1] == a1[1] &&
- own_addr[2] == a1[2]) {
- int index = (((int) a1[3] << 16) | ((int) a1[4] << 8) | a1[5])
- - (((int) own_addr[3] << 16) |
- ((int) own_addr[4] << 8) | own_addr[5]);
- if (index >= 0 && index < local->conf.bss_count &&
- local->sta_devs[index]) {
- struct net_device *dev = local->sta_devs[index];
- struct ieee80211_sub_if_data *sdata;
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (memcmp(addr, sdata->u.sta.bssid, ETH_ALEN) == 0) {
- *sta_multicast = multicast;
- return dev;
- }
- }
- }
-
- if (!multicast)
- return NULL;
-
- /* Could not find station interface, resort to O(n) lookup. */
- list_for_each(ptr, &local->sub_if_list) {
- struct ieee80211_sub_if_data *sdata =
- list_entry(ptr, struct ieee80211_sub_if_data, list);
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- continue;
- if (!multicast &&
- memcmp(a1, sdata->dev->dev_addr, ETH_ALEN) != 0)
- continue;
-
- if (memcmp(addr, sdata->u.sta.bssid, ETH_ALEN) == 0 ||
- (memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0 &&
- local->conf.mode == IW_MODE_ADHOC)) {
- *sta_multicast = multicast;
- return sdata->dev;
- }
- }
-
- return NULL;
-}
-
-
-static int ieee80211_own_addr(struct net_device *dev, u8 *addr)
-{
- struct ieee80211_local *local = dev->priv;
- u8 *own = dev->dev_addr;
- int index;
-
- /* Optimization: assume that BSSID mask does not change for first
- * three octets. */
- if (own[0] != addr[0] || own[1] != addr[1] || own[2] != addr[2])
- return 0;
-
- index = (((int) addr[3] << 16) | ((int) addr[4] << 8) | addr[5]) -
- (((int) own[3] << 16) | ((int) own[4] << 8) | own[5]);
- if (index >= 0 && index < local->conf.bss_count &&
- local->sta_devs[index])
- return 1;
-
- return 0;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_rx_h_data(struct ieee80211_txrx_data *rx)
-{
- struct net_device *dev = rx->dev;
- struct ieee80211_local *local = rx->local;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
- u16 fc, hdrlen, ethertype;
- u8 *payload;
- u8 dst[ETH_ALEN];
- u8 src[ETH_ALEN];
- struct sk_buff *skb = rx->skb, *skb2;
- struct ieee80211_sub_if_data *sdata;
-
- fc = rx->fc;
- if (unlikely(WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_DATA))
- return TXRX_CONTINUE;
-
- if (unlikely(!WLAN_FC_DATA_PRESENT(fc)))
- return TXRX_DROP;
-
- hdrlen = ieee80211_get_hdrlen(fc);
-
- /* convert IEEE 802.11 header + possible LLC headers into Ethernet
- * header
- * IEEE 802.11 address fields:
- * ToDS FromDS Addr1 Addr2 Addr3 Addr4
- * 0 0 DA SA BSSID n/a
- * 0 1 DA BSSID SA n/a
- * 1 0 BSSID SA DA n/a
- * 1 1 RA TA DA SA
- */
-
- switch (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) {
- case WLAN_FC_TODS:
- /* BSSID SA DA */
- memcpy(dst, hdr->addr3, ETH_ALEN);
- memcpy(src, hdr->addr2, ETH_ALEN);
-
- if (unlikely(local->conf.mode != IW_MODE_MASTER ||
- !ieee80211_own_bssid(local, hdr->addr1))) {
- printk(KERN_DEBUG "%s: dropped ToDS frame (BSSID="
- MACSTR " SA=" MACSTR " DA=" MACSTR ")\n",
- dev->name, MAC2STR(hdr->addr1),
- MAC2STR(hdr->addr2), MAC2STR(hdr->addr3));
- return TXRX_DROP;
- }
- break;
- case (WLAN_FC_TODS | WLAN_FC_FROMDS):
- /* RA TA DA SA */
- memcpy(dst, hdr->addr3, ETH_ALEN);
- memcpy(src, hdr->addr4, ETH_ALEN);
-
- dev = ieee80211_get_wds_dev(local, hdr->addr2);
- if (!dev || memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN) != 0) {
- printk(KERN_DEBUG "%s: dropped FromDS&ToDS frame (RA="
- MACSTR " TA=" MACSTR " DA=" MACSTR " SA="
- MACSTR ")\n",
- rx->dev->name, MAC2STR(hdr->addr1),
- MAC2STR(hdr->addr2), MAC2STR(hdr->addr3),
- MAC2STR(hdr->addr4));
- return TXRX_DROP;
- }
- break;
- case WLAN_FC_FROMDS:
- /* DA BSSID SA */
- memcpy(dst, hdr->addr1, ETH_ALEN);
- memcpy(src, hdr->addr3, ETH_ALEN);
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA ||
- memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN) == 0 ||
- memcmp(hdr->addr2, sdata->u.sta.bssid, ETH_ALEN) != 0) {
- return TXRX_DROP;
- }
- break;
- case 0:
- /* DA SA BSSID */
- memcpy(dst, hdr->addr1, ETH_ALEN);
- memcpy(src, hdr->addr2, ETH_ALEN);
-
- if (local->conf.mode != IW_MODE_ADHOC ||
- memcmp(hdr->addr3, local->bssid, ETH_ALEN) != 0) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: dropped IBSS frame (DA="
- MACSTR " SA=" MACSTR " BSSID=" MACSTR
- ")\n",
- dev->name, MAC2STR(hdr->addr1),
- MAC2STR(hdr->addr2),
- MAC2STR(hdr->addr3));
- }
- return TXRX_DROP;
- }
- break;
- }
-
- payload = skb->data + hdrlen;
-
- if (unlikely(skb->len - hdrlen < 8)) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: RX too short data frame "
- "payload\n", dev->name);
- }
- return TXRX_DROP;
- }
-
- ethertype = (payload[6] << 8) | payload[7];
-
- if (likely((memcmp(payload, rfc1042_header, 6) == 0 &&
- ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) ||
- memcmp(payload, bridge_tunnel_header, 6) == 0)) {
- /* remove RFC1042 or Bridge-Tunnel encapsulation and
- * replace EtherType */
- skb_pull(skb, hdrlen + 6);
- memcpy(skb_push(skb, ETH_ALEN), src, ETH_ALEN);
- memcpy(skb_push(skb, ETH_ALEN), dst, ETH_ALEN);
- } else {
- struct ethhdr *ehdr;
- unsigned short len;
- skb_pull(skb, hdrlen);
- len = htons(skb->len);
- ehdr = (struct ethhdr *)skb_push(skb, sizeof(struct ethhdr));
- memcpy(ehdr->h_dest, dst, ETH_ALEN);
- memcpy(ehdr->h_source, src, ETH_ALEN);
- ehdr->h_proto = len;
- }
-
- if (rx->sta && !rx->sta->assoc_ap &&
- !(rx->sta && (rx->sta->flags & WLAN_STA_WDS)))
- skb->dev = rx->sta->dev;
- else
- skb->dev = dev;
-
- skb2 = NULL;
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- /*
- * don't count the master since the low level code
- * counts it already for us.
- */
- if (skb->dev != sdata->master) {
- sdata->stats.rx_packets++;
- sdata->stats.rx_bytes += skb->len;
- }
-
- if (local->bridge_packets && sdata->type != IEEE80211_SUB_IF_TYPE_WDS
- && sdata->type != IEEE80211_SUB_IF_TYPE_STA) {
- if (MULTICAST_ADDR(skb->data)) {
- /* send multicast frames both to higher layers in
- * local net stack and back to the wireless media */
- skb2 = skb_copy(skb, GFP_ATOMIC);
- if (skb2 == NULL)
- printk(KERN_DEBUG "%s: failed to clone "
- "multicast frame\n", dev->name);
- } else {
- struct sta_info *dsta;
- dsta = sta_info_get(local, skb->data);
- if (dsta && dsta->dev == NULL) {
- printk(KERN_DEBUG "Station with null dev "
- "structure!\n");
- } else if (dsta && dsta->dev == dev) {
- /* Destination station is associated to this
- * AP, so send the frame directly to it and
- * do not pass the frame to local net stack.
- */
- skb2 = skb;
- skb = NULL;
- }
- if (dsta)
- sta_info_release(local, dsta);
- }
- }
-
- if (skb) {
- /* deliver to local stack */
- skb->protocol = eth_type_trans(skb, dev);
- memset(skb->cb, 0, sizeof(skb->cb));
- netif_rx(skb);
- }
-
- if (skb2) {
- /* send to wireless media */
- skb2->protocol = __constant_htons(ETH_P_802_3);
- skb2->mac.raw = skb2->nh.raw = skb2->data;
- dev_queue_xmit(skb2);
- }
-
- return TXRX_QUEUED;
-}
-
-
-static struct ieee80211_rate *
-ieee80211_get_rate(struct ieee80211_local *local, int phymode, int hw_rate)
-{
- int m, r;
-
- for (m = 0; m < local->hw->num_modes; m++) {
- struct ieee80211_hw_modes *mode = &local->hw->modes[m];
- if (mode->mode != phymode)
- continue;
- for (r = 0; r < mode->num_rates; r++) {
- struct ieee80211_rate *rate = &mode->rates[r];
- if (rate->val == hw_rate ||
- (rate->flags & IEEE80211_RATE_PREAMBLE2 &&
- rate->val2 == hw_rate))
- return rate;
- }
- }
-
- return NULL;
-}
-
-
-void
-ieee80211_rx_mgmt(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_rx_status *status, u32 msg_type)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_frame_info *fi;
- size_t hlen;
- struct ieee80211_sub_if_data *sdata;
-
- dev = local->apdev;
- skb->dev = dev;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (skb_headroom(skb) < sizeof(struct ieee80211_frame_info)) {
- I802_DEBUG_INC(local->rx_expand_skb_head);
- if (pskb_expand_head(skb, sizeof(struct ieee80211_frame_info),
- 0, GFP_ATOMIC)) {
- dev_kfree_skb(skb);
- return;
- }
- }
-
- hlen = sizeof(struct ieee80211_frame_info);
- if (msg_type == ieee80211_msg_monitor)
- hlen -= sizeof(fi->msg_type);
-
- fi = (struct ieee80211_frame_info *) skb_push(skb, hlen);
- memset(fi, 0, hlen);
- if (msg_type != ieee80211_msg_monitor)
- fi->msg_type = htonl(msg_type);
- fi->version = htonl(IEEE80211_FI_VERSION);
- fi->length = htonl(hlen);
- if (status) {
-// struct timespec ts;
- struct ieee80211_rate *rate;
-
-#if 0
- jiffies_to_timespec(status->hosttime, &ts);
- fi->hosttime = cpu_to_be64(ts.tv_sec * 1000000 +
- ts.tv_nsec / 1000);
- fi->mactime = cpu_to_be64(status->mactime);
-#endif
- switch (status->phymode) {
- case MODE_IEEE80211A:
- fi->phytype = htonl(ieee80211_phytype_ofdm_dot11_a);
- break;
- case MODE_IEEE80211B:
- fi->phytype = htonl(ieee80211_phytype_dsss_dot11_b);
- break;
- case MODE_IEEE80211G:
- fi->phytype = htonl(ieee80211_phytype_pbcc_dot11_g);
- break;
- case MODE_ATHEROS_TURBO:
- fi->phytype =
- htonl(ieee80211_phytype_dsss_dot11_turbo);
- break;
- default:
- fi->phytype = 0xAAAAAAAA;
- break;
- }
- fi->channel = htonl(status->channel);
- rate = ieee80211_get_rate(local, status->phymode,
- status->rate);
- if (rate) {
- fi->datarate = htonl(rate->rate);
- if (rate->flags & IEEE80211_RATE_PREAMBLE2) {
- if (status->rate == rate->val)
- fi->preamble = htonl(2); /* long */
- else if (status->rate == rate->val2)
- fi->preamble = htonl(1); /* short */
- } else
- fi->preamble = htonl(0);
- } else {
- fi->datarate = htonl(0);
- fi->preamble = htonl(0);
- }
-
- fi->antenna = htonl(status->antenna);
- fi->priority = 0xffffffff; /* no clue */
- fi->ssi_type = htonl(ieee80211_ssi_raw);
- fi->ssi_signal = htonl(status->ssi);
- fi->ssi_noise = 0x00000000;
- fi->encoding = 0;
- } else {
- fi->ssi_type = htonl(ieee80211_ssi_none);
- }
-
- sdata->stats.rx_packets++;
- sdata->stats.rx_bytes += skb->len;
-
- skb->mac.raw = skb->data;
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- skb->pkt_type = PACKET_OTHERHOST;
- skb->protocol = __constant_htons(ETH_P_802_2);
- memset(skb->cb, 0, sizeof(skb->cb));
- netif_rx(skb);
-}
-
-
-int ieee80211_radar_status(struct net_device *dev, int channel, int radar,
- int radar_type)
-{
- struct sk_buff *skb;
- struct ieee80211_radar_info *msg;
-
- skb = dev_alloc_skb(sizeof(struct ieee80211_frame_info) +
- sizeof(struct ieee80211_radar_info));
-
- if (skb == NULL)
- return -ENOMEM;
- skb_reserve(skb, sizeof(struct ieee80211_frame_info));
-
- msg = (struct ieee80211_radar_info *)
- skb_put(skb, sizeof(struct ieee80211_radar_info));
- msg->channel = channel;
- msg->radar = radar;
- msg->radar_type = radar_type;
-
- ieee80211_rx_mgmt(dev, skb, 0, ieee80211_msg_radar);
- return 0;
-}
-
-
-int ieee80211_set_aid_for_sta(struct net_device *dev, u8 *peer_address,
- u16 aid)
-{
- struct sk_buff *skb;
- struct ieee80211_msg_set_aid_for_sta *msg;
-
- skb = dev_alloc_skb(sizeof(struct ieee80211_frame_info) +
- sizeof(struct ieee80211_msg_set_aid_for_sta));
-
- if (skb == NULL)
- return -ENOMEM;
- skb_reserve(skb, sizeof(struct ieee80211_frame_info));
-
- msg = (struct ieee80211_msg_set_aid_for_sta *)
- skb_put(skb, sizeof(struct ieee80211_msg_set_aid_for_sta));
- memcpy(msg->sta_address, peer_address, ETH_ALEN);
- msg->aid = aid;
-
- ieee80211_rx_mgmt(dev, skb, 0, ieee80211_msg_set_aid_for_sta);
- return 0;
-}
-
-
-static void ap_sta_ps_start(struct net_device *dev, struct sta_info *sta)
-{
- struct ieee80211_sub_if_data *sdata;
- sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
-
- if (sdata->bss)
- atomic_inc(&sdata->bss->num_sta_ps);
- sta->flags |= WLAN_STA_PS;
- sta->pspoll = 0;
-#ifdef IEEE80211_VERBOSE_DEBUG_PS
- printk(KERN_DEBUG "%s: STA " MACSTR " aid %d enters power "
- "save mode\n", dev->name, MAC2STR(sta->addr), sta->aid);
-#endif /* IEEE80211_VERBOSE_DEBUG_PS */
-}
-
-
-static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta)
-{
- struct ieee80211_local *local = dev->priv;
- struct sk_buff *skb;
- int sent = 0;
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_tx_packet_data *pkt_data;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
- if (sdata->bss)
- atomic_dec(&sdata->bss->num_sta_ps);
- sta->flags &= ~(WLAN_STA_PS | WLAN_STA_TIM);
- sta->pspoll = 0;
- if (!skb_queue_empty(&sta->ps_tx_buf) && local->hw->set_tim)
- local->hw->set_tim(dev, sta->aid, 0);
-#ifdef IEEE80211_VERBOSE_DEBUG_PS
- printk(KERN_DEBUG "%s: STA " MACSTR " aid %d exits power "
- "save mode\n", dev->name, MAC2STR(sta->addr), sta->aid);
-#endif /* IEEE80211_VERBOSE_DEBUG_PS */
- /* Send all buffered frames to the station */
- while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) {
- pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
- sent++;
- pkt_data->control.requeue = 1;
- dev_queue_xmit(skb);
- }
- while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) {
- pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
- local->total_ps_buffered--;
- sent++;
-#ifdef IEEE80211_VERBOSE_DEBUG_PS
- printk(KERN_DEBUG "%s: STA " MACSTR " aid %d send PS frame "
- "since STA not sleeping anymore\n", dev->name,
- MAC2STR(sta->addr), sta->aid);
-#endif /* IEEE80211_VERBOSE_DEBUG_PS */
- pkt_data->control.requeue = 1;
- dev_queue_xmit(skb);
- }
-
- return sent;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_rx_h_ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx)
-{
- struct sk_buff *skb;
- int no_pending_pkts;
-
- if (likely(!rx->sta || WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_CTRL ||
- WLAN_FC_GET_STYPE(rx->fc) != WLAN_FC_STYPE_PSPOLL))
- return TXRX_CONTINUE;
-
- skb = skb_dequeue(&rx->sta->tx_filtered);
- if (skb == NULL) {
- skb = skb_dequeue(&rx->sta->ps_tx_buf);
- if (skb)
- rx->local->total_ps_buffered--;
- }
- no_pending_pkts = skb_queue_empty(&rx->sta->tx_filtered) &&
- skb_queue_empty(&rx->sta->ps_tx_buf);
-
- if (skb) {
- struct ieee80211_hdr *hdr =
- (struct ieee80211_hdr *) skb->data;
-
- /* tell TX path to send one frame even though the STA may
- * still remain is PS mode after this frame exchange */
- rx->sta->pspoll = 1;
-
-#ifdef IEEE80211_VERBOSE_DEBUG_PS
- printk(KERN_DEBUG "STA " MACSTR " aid %d: PS Poll (entries "
- "after %d)\n",
- MAC2STR(rx->sta->addr), rx->sta->aid,
- skb_queue_len(&rx->sta->ps_tx_buf));
-#endif /* IEEE80211_VERBOSE_DEBUG_PS */
-
- /* Use MoreData flag to indicate whether there are more
- * buffered frames for this STA */
- if (no_pending_pkts) {
- hdr->frame_control &= cpu_to_le16(~WLAN_FC_MOREDATA);
- rx->sta->flags &= ~WLAN_STA_TIM;
- } else
- hdr->frame_control |= cpu_to_le16(WLAN_FC_MOREDATA);
-
- dev_queue_xmit(skb);
-
- if (no_pending_pkts && rx->local->hw->set_tim)
- rx->local->hw->set_tim(rx->dev, rx->sta->aid, 0);
-#ifdef IEEE80211_VERBOSE_DEBUG_PS
- } else if (!rx->u.rx.sent_ps_buffered) {
- printk(KERN_DEBUG "%s: STA " MACSTR " sent PS Poll even "
- "though there is no buffered frames for it\n",
- rx->dev->name, MAC2STR(rx->sta->addr));
-#endif /* IEEE80211_VERBOSE_DEBUG_PS */
-
- }
-
- /* Free PS Poll skb here instead of returning TXRX_DROP that would
- * count as an dropped frame. */
- dev_kfree_skb(rx->skb);
-
- return TXRX_QUEUED;
-}
-
-
-static inline struct ieee80211_fragment_entry *
-ieee80211_reassemble_add(struct ieee80211_local *local,
- unsigned int frag, unsigned int seq, int rx_queue,
- struct sk_buff **skb)
-{
- struct ieee80211_fragment_entry *entry;
- int idx;
-
- idx = local->fragment_next;
- entry = &local->fragments[local->fragment_next++];
- if (local->fragment_next >= IEEE80211_FRAGMENT_MAX)
- local->fragment_next = 0;
-
- if (entry->skb) {
-#ifdef CONFIG_IEEE80211_DEBUG
- struct ieee80211_hdr *hdr =
- (struct ieee80211_hdr *) entry->skb->data;
- printk(KERN_DEBUG "%s: RX reassembly removed oldest "
- "fragment entry (idx=%d age=%lu seq=%d last_frag=%d "
- "addr1=" MACSTR " addr2=" MACSTR "\n",
- local->mdev->name, idx,
- jiffies - entry->first_frag_time, entry->seq,
- entry->last_frag, MAC2STR(hdr->addr1),
- MAC2STR(hdr->addr2));
-#endif /* CONFIG_IEEE80211_DEBUG */
- dev_kfree_skb(entry->skb);
- }
-
- entry->skb = *skb;
- *skb = NULL;
- entry->first_frag_time = jiffies;
- entry->seq = seq;
- entry->rx_queue = rx_queue;
- entry->last_frag = frag;
- entry->ccmp = 0;
-
- return entry;
-}
-
-
-static inline struct ieee80211_fragment_entry *
-ieee80211_reassemble_find(struct ieee80211_local *local,
- u16 fc, unsigned int frag, unsigned int seq,
- int rx_queue, struct ieee80211_hdr *hdr)
-{
- struct ieee80211_fragment_entry *entry;
- int i, idx;
-
- idx = local->fragment_next;
- for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) {
- struct ieee80211_hdr *f_hdr;
- u16 f_fc;
-
- idx--;
- if (idx < 0)
- idx = IEEE80211_FRAGMENT_MAX - 1;
-
- entry = &local->fragments[idx];
- if (!entry->skb || entry->seq != seq ||
- entry->rx_queue != rx_queue ||
- entry->last_frag + 1 != frag)
- continue;
-
- f_hdr = (struct ieee80211_hdr *) entry->skb->data;
- f_fc = le16_to_cpu(f_hdr->frame_control);
-
- if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_GET_TYPE(f_fc) ||
- memcmp(hdr->addr1, f_hdr->addr1, ETH_ALEN) != 0 ||
- memcmp(hdr->addr2, f_hdr->addr2, ETH_ALEN) != 0)
- continue;
-
- if (entry->first_frag_time + 2 * HZ < jiffies) {
- dev_kfree_skb(entry->skb);
- entry->skb = NULL;
- continue;
- }
- return entry;
- }
-
- return NULL;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx)
-{
- struct ieee80211_hdr *hdr;
- u16 sc;
- unsigned int frag, seq;
- struct ieee80211_fragment_entry *entry;
-
- hdr = (struct ieee80211_hdr *) rx->skb->data;
- sc = le16_to_cpu(hdr->seq_ctrl);
- frag = WLAN_GET_SEQ_FRAG(sc);
-
- if (likely((!(rx->fc & WLAN_FC_MOREFRAG) && frag == 0) ||
- (rx->skb)->len < 24 || MULTICAST_ADDR(hdr->addr1))) {
- /* not fragmented */
- goto out;
- }
- I802_DEBUG_INC(rx->local->rx_handlers_fragments);
-
- seq = WLAN_GET_SEQ_SEQ(sc);
-
- if (frag == 0) {
- /* This is the first fragment of a new frame. */
- entry = ieee80211_reassemble_add(rx->local, frag, seq,
- rx->u.rx.queue, &(rx->skb));
- if (rx->key && rx->key->alg == ALG_CCMP &&
- (rx->fc & WLAN_FC_ISWEP)) {
- /* Store CCMP PN so that we can verify that the next
- * fragment has a sequential PN value. */
- entry->ccmp = 1;
- memcpy(entry->last_pn,
- rx->key->u.ccmp.rx_pn[rx->u.rx.queue],
- CCMP_PN_LEN);
- }
- return TXRX_QUEUED;
- }
-
- /* This is a fragment for a frame that should already be pending in
- * fragment cache. Add this fragment to the end of the pending entry.
- */
- entry = ieee80211_reassemble_find(rx->local, rx->fc, frag, seq,
- rx->u.rx.queue, hdr);
- if (!entry) {
- I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);
- return TXRX_DROP;
- }
-
- /* Verify that MPDUs within one MSDU have sequential PN values.
- * (IEEE 802.11i, 8.3.3.4.5) */
- if (entry->ccmp) {
- int i;
- u8 pn[CCMP_PN_LEN], *rpn;
- if (rx->key == NULL || rx->key->alg != ALG_CCMP)
- return TXRX_DROP;
- memcpy(pn, entry->last_pn, CCMP_PN_LEN);
- for (i = CCMP_PN_LEN - 1; i >= 0; i--) {
- pn[i]++;
- if (pn[i])
- break;
- }
- rpn = rx->key->u.ccmp.rx_pn[rx->u.rx.queue];
- if (memcmp(pn, rpn, CCMP_PN_LEN) != 0) {
- printk(KERN_DEBUG "%s: defrag: CCMP PN not sequential"
- " A2=" MACSTR " PN=%02x%02x%02x%02x%02x%02x "
- "(expected %02x%02x%02x%02x%02x%02x)\n",
- rx->dev->name, MAC2STR(hdr->addr2),
- rpn[0], rpn[1], rpn[2], rpn[3], rpn[4], rpn[5],
- pn[0], pn[1], pn[2], pn[3], pn[4], pn[5]);
- return TXRX_DROP;
- }
- memcpy(entry->last_pn, pn, CCMP_PN_LEN);
- }
-
- /* TODO: could gather list of skb's and reallocate data buffer only
- * after finding out the total length of the frame */
- skb_pull(rx->skb, ieee80211_get_hdrlen(rx->fc));
- if (skb_tailroom(entry->skb) < rx->skb->len) {
- I802_DEBUG_INC(rx->local->rx_expand_skb_head2);
- if (unlikely(pskb_expand_head(entry->skb, 0, rx->skb->len,
- GFP_ATOMIC))) {
- I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);
- return TXRX_DROP;
- }
- }
- memcpy(skb_put(entry->skb, rx->skb->len), rx->skb->data, rx->skb->len);
- entry->last_frag = frag;
- dev_kfree_skb(rx->skb);
-
- if (rx->fc & WLAN_FC_MOREFRAG) {
- rx->skb = NULL;
- return TXRX_QUEUED;
- }
-
- /* Complete frame has been reassembled - process it now */
- rx->skb = entry->skb;
- rx->fragmented = 1;
- entry->skb = NULL;
-
- out:
- if (rx->sta)
- rx->sta->rx_packets++;
- if (MULTICAST_ADDR(hdr->addr1))
- rx->local->dot11MulticastReceivedFrameCount++;
-#ifdef IEEE80211_LEDS
- else
- ieee80211_rx_led(2, rx->dev);
-#endif /* IEEE80211_LEDS */
- return TXRX_CONTINUE;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_rx_h_monitor(struct ieee80211_txrx_data *rx)
-{
- if (rx->local->conf.mode == IW_MODE_MONITOR) {
- ieee80211_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status,
- ieee80211_msg_monitor);
- return TXRX_QUEUED;
- }
-
- return TXRX_CONTINUE;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_rx_h_check(struct ieee80211_txrx_data *rx)
-{
- struct ieee80211_hdr *hdr;
- int always_sta_key;
- hdr = (struct ieee80211_hdr *) rx->skb->data;
-
- /* Drop duplicate 802.11 retransmissions (IEEE 802.11 Chap. 9.2.9) */
- if (rx->sta && !MULTICAST_ADDR(hdr->addr1)) {
- if (unlikely(rx->fc & WLAN_FC_RETRY &&
- rx->sta->last_seq_ctrl[rx->u.rx.queue] ==
- hdr->seq_ctrl)) {
- rx->local->dot11FrameDuplicateCount++;
- rx->sta->num_duplicates++;
- return TXRX_DROP;
- } else
- rx->sta->last_seq_ctrl[rx->u.rx.queue] = hdr->seq_ctrl;
- }
-
- if (rx->local->hw->rx_includes_fcs && rx->skb->len > FCS_LEN)
- skb_trim(rx->skb, rx->skb->len - FCS_LEN);
-
- if (unlikely(rx->skb->len < 16)) {
- I802_DEBUG_INC(rx->local->rx_handlers_drop_short);
- return TXRX_DROP;
- }
-
- /* Filter out foreign unicast packets when in promiscuous mode.
- * FIX: Filter out multicast to foreign BSSID. */
- if (rx->local->conf.mode == IW_MODE_INFRA &&
- !MULTICAST_ADDR(hdr->addr1) &&
- !ieee80211_own_addr(rx->dev, hdr->addr1))
- return TXRX_DROP;
-
- /* Drop disallowed frame classes based on STA auth/assoc state;
- * IEEE 802.11, Chap 5.5.
- *
- * 80211.o does filtering only based on association state, i.e., it
- * drops Class 3 frames from not associated stations. hostapd sends
- * deauth/disassoc frames when needed. In addition, hostapd is
- * responsible for filtering on both auth and assoc states.
- */
- if (unlikely((WLAN_FC_GET_TYPE(rx->fc) == WLAN_FC_TYPE_DATA ||
- (WLAN_FC_GET_TYPE(rx->fc) == WLAN_FC_TYPE_CTRL &&
- WLAN_FC_GET_STYPE(rx->fc) == WLAN_FC_STYPE_PSPOLL)) &&
- rx->local->conf.mode != IW_MODE_ADHOC &&
- (!rx->sta || !(rx->sta->flags & WLAN_STA_ASSOC)))) {
- if (!(rx->fc & WLAN_FC_FROMDS) && !(rx->fc & WLAN_FC_TODS)) {
- /* Drop IBSS frames silently. */
- return TXRX_DROP;
- }
-
- ieee80211_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status,
- ieee80211_msg_sta_not_assoc);
- return TXRX_QUEUED;
- }
-
- if (rx->local->conf.mode == IW_MODE_INFRA)
- always_sta_key = 0;
- else
- always_sta_key = 1;
-
- if (rx->sta && rx->sta->key && always_sta_key) {
- rx->key = rx->sta->key;
- } else {
- if (!rx->sdata) {
- printk(KERN_DEBUG "%s: sdata was null in packet!!\n",
- rx->dev->name);
- printk(KERN_DEBUG "%s: Addr1: " MACSTR "\n",
- rx->dev->name, MAC2STR(hdr->addr1));
- printk(KERN_DEBUG "%s: Addr2: " MACSTR "\n",
- rx->dev->name, MAC2STR(hdr->addr2));
- printk(KERN_DEBUG "%s: Addr3: " MACSTR "\n",
- rx->dev->name, MAC2STR(hdr->addr3));
- return TXRX_DROP;
- }
- if (rx->sta && rx->sta->key)
- rx->key = rx->sta->key;
- else
- rx->key = rx->sdata->default_key;
-
- if (rx->local->hw->wep_include_iv &&
- rx->fc & WLAN_FC_ISWEP) {
- int keyidx = ieee80211_wep_get_keyidx(rx->skb);
-
- if (keyidx >= 0 && keyidx < NUM_DEFAULT_KEYS &&
- (rx->sta == NULL || rx->sta->key == NULL ||
- keyidx > 0)) {
- rx->key = rx->sdata->keys[keyidx];
- }
- if (!rx->key) {
- printk(KERN_DEBUG "%s: RX WEP frame with "
- "unknown keyidx %d (A1=" MACSTR " A2="
- MACSTR " A3=" MACSTR ")\n",
- rx->dev->name, keyidx,
- MAC2STR(hdr->addr1),
- MAC2STR(hdr->addr2),
- MAC2STR(hdr->addr3));
- ieee80211_rx_mgmt(
- rx->dev, rx->skb, rx->u.rx.status,
- ieee80211_msg_wep_frame_unknown_key);
- return TXRX_QUEUED;
- }
- }
- }
-
- if (rx->fc & WLAN_FC_ISWEP && rx->key) {
- rx->key->tx_rx_count++;
- if (unlikely(rx->local->key_tx_rx_threshold &&
- rx->key->tx_rx_count >
- rx->local->key_tx_rx_threshold)) {
- ieee80211_key_threshold_notify(rx->dev, rx->key,
- rx->sta);
- }
- }
-
- return TXRX_CONTINUE;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx)
-{
- struct sta_info *sta = rx->sta;
- struct net_device *dev = rx->dev;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
-
- if (!sta)
- return TXRX_CONTINUE;
-
- /* Update last_rx only for IBSS packets which are for the current
- * BSSID to avoid keeping the current IBSS network alive in cases where
- * other STAs are using different BSSID. */
- if (rx->local->conf.mode == IW_MODE_ADHOC) {
- u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len);
- if (memcmp(bssid, rx->local->bssid, ETH_ALEN) == 0)
- sta->last_rx = jiffies;
- } else
- if (!MULTICAST_ADDR(hdr->addr1) ||
- rx->local->conf.mode == IW_MODE_INFRA) {
- /* Update last_rx only for unicast frames in order to prevent
- * the Probe Request frames (the only broadcast frames from a
- * STA in infrastructure mode) from keeping a connection alive.
- */
- sta->last_rx = jiffies;
- }
- sta->rx_fragments++;
- sta->rx_bytes += rx->skb->len;
- sta->last_rssi = rx->u.rx.status->ssi;
-
- if (!(rx->fc & WLAN_FC_MOREFRAG)) {
- /* Change STA power saving mode only in the end of a frame
- * exchange sequence */
- if ((sta->flags & WLAN_STA_PS) && !(rx->fc & WLAN_FC_PWRMGT))
- rx->u.rx.sent_ps_buffered += ap_sta_ps_end(dev, sta);
- else if (!(sta->flags & WLAN_STA_PS) &&
- (rx->fc & WLAN_FC_PWRMGT))
- ap_sta_ps_start(dev, sta);
- }
-
- /* Drop data::nullfunc frames silently, since they are used only to
- * control station power saving mode. */
- if (WLAN_FC_GET_TYPE(rx->fc) == WLAN_FC_TYPE_DATA &&
- WLAN_FC_GET_STYPE(rx->fc) == WLAN_FC_STYPE_NULLFUNC) {
- I802_DEBUG_INC(rx->local->rx_handlers_drop_nullfunc);
- /* Update counter and free packet here to avoid counting this
- * as a dropped packed. */
- sta->rx_packets++;
- dev_kfree_skb(rx->skb);
- return TXRX_QUEUED;
- }
-
- return TXRX_CONTINUE;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_rx_h_wep_weak_iv_detection(struct ieee80211_txrx_data *rx)
-{
- if (!rx->sta || !(rx->fc & WLAN_FC_ISWEP) ||
- WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_DATA || !rx->key ||
- rx->key->alg != ALG_WEP)
- return TXRX_CONTINUE;
-
- /* Check for weak IVs, if hwaccel did not remove IV from the frame */
- if (rx->local->hw->wep_include_iv ||
- rx->key->force_sw_encrypt || rx->local->conf.sw_decrypt) {
- u8 *iv = ieee80211_wep_is_weak_iv(rx->skb, rx->key);
- if (iv) {
- rx->sta->wep_weak_iv_count++;
- }
- }
-
- return TXRX_CONTINUE;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_rx_h_wep_decrypt(struct ieee80211_txrx_data *rx)
-{
- /* If the device handles decryption totally, skip this test */
- if (rx->local->hw->device_hides_wep)
- return TXRX_CONTINUE;
-
- if ((rx->key && rx->key->alg != ALG_WEP) ||
- !(rx->fc & WLAN_FC_ISWEP) ||
- (WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_DATA &&
- (WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_MGMT ||
- WLAN_FC_GET_STYPE(rx->fc) != WLAN_FC_STYPE_AUTH)))
- return TXRX_CONTINUE;
-
- if (!rx->key) {
- printk(KERN_DEBUG "%s: RX WEP frame, but no key set\n",
- rx->dev->name);
- return TXRX_DROP;
- }
-
- if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED) ||
- rx->key->force_sw_encrypt || rx->local->conf.sw_decrypt) {
- if (ieee80211_wep_decrypt(rx->local, rx->skb, rx->key)) {
- printk(KERN_DEBUG "%s: RX WEP frame, decrypt "
- "failed\n", rx->dev->name);
- return TXRX_DROP;
- }
- } else if (rx->local->hw->wep_include_iv) {
- ieee80211_wep_remove_iv(rx->local, rx->skb, rx->key);
- /* remove ICV */
- skb_trim(rx->skb, rx->skb->len - 4);
- }
-
- return TXRX_CONTINUE;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_rx_h_802_1x_pae(struct ieee80211_txrx_data *rx)
-{
- if (rx->sdata->eapol && ieee80211_is_eapol(rx->skb) &&
- rx->local->conf.mode != IW_MODE_INFRA) {
- /* Pass both encrypted and unencrypted EAPOL frames to user
- * space for processing. */
- ieee80211_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status,
- ieee80211_msg_normal);
- return TXRX_QUEUED;
- }
-
- if (unlikely(rx->sdata->ieee802_1x &&
- WLAN_FC_GET_TYPE(rx->fc) == WLAN_FC_TYPE_DATA &&
- WLAN_FC_GET_STYPE(rx->fc) != WLAN_FC_STYPE_NULLFUNC &&
- (!rx->sta || !(rx->sta->flags & WLAN_STA_AUTHORIZED)) &&
- !ieee80211_is_eapol(rx->skb))) {
-#ifdef CONFIG_IEEE80211_DEBUG
- struct ieee80211_hdr *hdr =
- (struct ieee80211_hdr *) rx->skb->data;
- printk(KERN_DEBUG "%s: dropped frame from " MACSTR
- " (unauthorized port)\n", rx->dev->name,
- MAC2STR(hdr->addr2));
-#endif /* CONFIG_IEEE80211_DEBUG */
- return TXRX_DROP;
- }
-
- return TXRX_CONTINUE;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_rx_h_drop_unencrypted(struct ieee80211_txrx_data *rx)
-{
- /* If the device handles decryption totally, skip this test */
- if (rx->local->hw->device_hides_wep)
- return TXRX_CONTINUE;
-
- /* Drop unencrypted frames if key is set. */
- if (unlikely(!(rx->fc & WLAN_FC_ISWEP) &&
- WLAN_FC_GET_TYPE(rx->fc) == WLAN_FC_TYPE_DATA &&
- WLAN_FC_GET_STYPE(rx->fc) != WLAN_FC_STYPE_NULLFUNC &&
- (rx->key || rx->sdata->drop_unencrypted) &&
- (rx->sdata->eapol == 0 ||
- !ieee80211_is_eapol(rx->skb)))) {
- printk(KERN_DEBUG "%s: RX non-WEP frame, but expected "
- "encryption\n", rx->dev->name);
- return TXRX_DROP;
- }
- return TXRX_CONTINUE;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_rx_h_mgmt(struct ieee80211_txrx_data *rx)
-{
- struct ieee80211_sub_if_data *sdata;
- sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
- if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
- ieee80211_sta_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status);
- } else {
- /* Management frames are sent to hostapd for processing */
- ieee80211_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status,
- ieee80211_msg_normal);
- }
- return TXRX_QUEUED;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_rx_h_passive_scan(struct ieee80211_txrx_data *rx)
-{
- struct ieee80211_local *local = rx->local;
- struct sk_buff *skb = rx->skb;
-
- if (unlikely(local->sta_scanning != 0)) {
- ieee80211_sta_rx_scan(rx->dev, skb, rx->u.rx.status);
- return TXRX_QUEUED;
- }
-
- if (WLAN_FC_GET_TYPE(rx->fc) == WLAN_FC_TYPE_DATA)
- local->scan.txrx_count++;
- if (unlikely(local->scan.in_scan != 0 &&
- rx->u.rx.status->freq == local->scan.freq)) {
- struct ieee80211_hdr *hdr;
- u16 fc;
-
- local->scan.rx_packets++;
-
- hdr = (struct ieee80211_hdr *) skb->data;
- fc = le16_to_cpu(hdr->frame_control);
-
- if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
- WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) {
- local->scan.rx_beacon++;
- /* Need to trim FCS here because it is normally
- * removed only after this passive scan handler. */
- if (rx->local->hw->rx_includes_fcs &&
- rx->skb->len > FCS_LEN)
- skb_trim(rx->skb, rx->skb->len - FCS_LEN);
-
- ieee80211_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status,
- ieee80211_msg_passive_scan);
- return TXRX_QUEUED;
- } else {
- I802_DEBUG_INC(local->rx_handlers_drop_passive_scan);
- return TXRX_DROP;
- }
- }
-
- return TXRX_CONTINUE;
-}
-
-
-static u8 * ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len)
-{
- u16 fc;
-
- if (len < 24)
- return NULL;
-
- fc = le16_to_cpu(hdr->frame_control);
-
- switch (WLAN_FC_GET_TYPE(fc)) {
- case WLAN_FC_TYPE_DATA:
- switch (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) {
- case WLAN_FC_TODS:
- return hdr->addr1;
- case (WLAN_FC_TODS | WLAN_FC_FROMDS):
- return NULL;
- case WLAN_FC_FROMDS:
- return hdr->addr2;
- case 0:
- return hdr->addr3;
- }
- break;
- case WLAN_FC_TYPE_MGMT:
- return hdr->addr3;
- case WLAN_FC_TYPE_CTRL:
- if (WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PSPOLL)
- return hdr->addr1;
- else
- return NULL;
- }
-
- return NULL;
-}
-
-
-static struct net_device * ieee80211_get_rx_dev(struct ieee80211_local *local,
- struct ieee80211_hdr *hdr,
- size_t len, int *sta_broadcast)
-{
- u8 *bssid;
- struct net_device *dev;
- u16 fc;
-
- bssid = ieee80211_get_bssid(hdr, len);
- if (bssid) {
- dev = ieee80211_own_bssid(local, bssid);
- if (!dev && (local->conf.mode == IW_MODE_INFRA ||
- local->conf.mode == IW_MODE_ADHOC))
- dev = ieee80211_sta_bssid(local, bssid, hdr->addr1,
- sta_broadcast);
- if (dev)
- return dev;
- }
-
- if (len >= 30) {
- fc = le16_to_cpu(hdr->frame_control);
- if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_DATA &&
- (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
- (WLAN_FC_TODS | WLAN_FC_FROMDS)) {
- dev = ieee80211_get_wds_dev(local, hdr->addr2);
- if (dev)
- return dev;
- }
- }
-
- /* Default to default device if nothing else matches */
- return local->wdev;
-}
-
-
-static void ieee80211_rx_michael_mic_report(struct net_device *dev,
- struct ieee80211_hdr *hdr,
- struct sta_info *sta,
- struct ieee80211_txrx_data *rx)
-{
- int keyidx, hdrlen;
-
- hdrlen = ieee80211_get_hdrlen_from_skb(rx->skb);
- if (rx->skb->len >= hdrlen + 4)
- keyidx = rx->skb->data[hdrlen + 3] >> 6;
- else
- keyidx = -1;
-
- /* TODO: verify that this is not triggered by fragmented
- * frames (hw does not verify MIC for them). */
- printk(KERN_DEBUG "%s: TKIP hwaccel reported Michael MIC "
- "failure from " MACSTR " to " MACSTR " keyidx=%d\n",
- dev->name, MAC2STR(hdr->addr2), MAC2STR(hdr->addr1), keyidx);
-
- if (sta == NULL) {
- /* Some hardware versions seem to generate incorrect
- * Michael MIC reports; ignore them to avoid triggering
- * countermeasures. */
- printk(KERN_DEBUG "%s: ignored spurious Michael MIC "
- "error for unknown address " MACSTR "\n",
- dev->name, MAC2STR(hdr->addr2));
- goto ignore;
- }
-
- if (!(rx->fc & WLAN_FC_ISWEP)) {
- printk(KERN_DEBUG "%s: ignored spurious Michael MIC "
- "error for a frame with no ISWEP flag (src "
- MACSTR ")\n", dev->name, MAC2STR(hdr->addr2));
- goto ignore;
- }
-
- if (rx->local->hw->wep_include_iv &&
- rx->local->conf.mode == IW_MODE_MASTER) {
- int keyidx = ieee80211_wep_get_keyidx(rx->skb);
- /* AP with Pairwise keys support should never receive Michael
- * MIC errors for non-zero keyidx because these are reserved
- * for group keys and only the AP is sending real multicast
- * frames in BSS. */
- if (keyidx) {
- printk(KERN_DEBUG "%s: ignored Michael MIC error for "
- "a frame with non-zero keyidx (%d) (src " MACSTR
- ")\n", dev->name, keyidx, MAC2STR(hdr->addr2));
- goto ignore;
- }
- }
-
- if (WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_DATA &&
- (WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_MGMT ||
- WLAN_FC_GET_STYPE(rx->fc) != WLAN_FC_STYPE_AUTH)) {
- printk(KERN_DEBUG "%s: ignored spurious Michael MIC "
- "error for a frame that cannot be encrypted "
- "(fc=0x%04x) (src " MACSTR ")\n",
- dev->name, rx->fc, MAC2STR(hdr->addr2));
- goto ignore;
- }
-
- do {
- union iwreq_data wrqu;
- char *buf = kmalloc(128, GFP_ATOMIC);
- if (buf == NULL)
- break;
-
- /* TODO: needed parameters: count, key type, TSC */
- sprintf(buf, "MLME-MICHAELMICFAILURE.indication("
- "keyid=%d %scast addr=" MACSTR ")",
- keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni",
- MAC2STR(hdr->addr2));
- memset(&wrqu, 0, sizeof(wrqu));
- wrqu.data.length = strlen(buf);
- wireless_send_event(rx->dev, IWEVCUSTOM, &wrqu, buf);
- kfree(buf);
- } while (0);
-
- /* TODO: consider verifying the MIC error report with software
- * implementation if we get too many spurious reports from the
- * hardware. */
- ieee80211_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status,
- ieee80211_msg_michael_mic_failure);
- return;
-
- ignore:
- dev_kfree_skb(rx->skb);
- rx->skb = NULL;
-}
-
-
-static void ieee80211_sta_rx_broadcast(struct ieee80211_txrx_data *rx)
-{
- struct ieee80211_local *local = rx->dev->priv;
- u8 *_bssid, bssid[ETH_ALEN];
- struct sk_buff *orig_skb = rx->skb, *skb;
- struct ieee80211_hdr *hdr;
- ieee80211_rx_handler *handler;
- ieee80211_txrx_result res;
- struct list_head *ptr;
-
- hdr = (struct ieee80211_hdr *) orig_skb->data;
- _bssid = ieee80211_get_bssid(hdr, orig_skb->len);
- if (_bssid == NULL) {
- dev_kfree_skb(orig_skb);
- return;
- }
- memcpy(bssid, _bssid, ETH_ALEN);
-
- list_for_each(ptr, &local->sub_if_list) {
- struct ieee80211_sub_if_data *sdata =
- list_entry(ptr, struct ieee80211_sub_if_data, list);
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA ||
- (memcmp(bssid, sdata->u.sta.bssid, ETH_ALEN) != 0 &&
- !(bssid[0] & 0x01)))
- continue;
-
- skb = skb_copy(orig_skb, GFP_ATOMIC);
- if (skb == NULL) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: failed to copy "
- "multicast frame for %s",
- rx->dev->name, sdata->dev->name);
- }
- continue;
- }
-
- hdr = (struct ieee80211_hdr *) skb->data;
- rx->skb = skb;
- rx->dev = sdata->dev;
- rx->sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
-
- res = TXRX_DROP;
- for (handler = local->rx_handlers; *handler != NULL; handler++)
- {
- res = (*handler)(rx);
- if (res == TXRX_DROP || res == TXRX_QUEUED)
- break;
- }
-
- if (res == TXRX_DROP || *handler == NULL)
- dev_kfree_skb(skb);
- }
-
- dev_kfree_skb(orig_skb);
-}
-
-
-/*
- * This is the receive path handler. It is called by a low level driver when an
- * 802.11 MPDU is received from the hardware.
- */
-void ieee80211_rx(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_rx_status *status)
-{
- struct ieee80211_local *local = dev->priv;
- struct sta_info *sta;
- struct ieee80211_hdr *hdr;
- ieee80211_rx_handler *handler;
- struct ieee80211_txrx_data rx;
- ieee80211_txrx_result res = TXRX_DROP;
- u16 type;
- int sta_broadcast = 0;
-
- hdr = (struct ieee80211_hdr *) skb->data;
- memset(&rx, 0, sizeof(rx));
- rx.skb = skb;
- rx.local = local;
- if (skb->len >= 16) {
- sta = rx.sta = sta_info_get(local, hdr->addr2);
- if (unlikely(sta == NULL &&
- local->conf.mode == IW_MODE_ADHOC)) {
- u8 *bssid = ieee80211_get_bssid(hdr, skb->len);
- if (bssid &&
- memcmp(bssid, local->bssid, ETH_ALEN) == 0)
- sta = rx.sta =
- ieee80211_ibss_add_sta(dev, skb, bssid,
- hdr->addr2);
- }
- } else
- sta = rx.sta = NULL;
- if (sta && !sta->assoc_ap && !(sta->flags & WLAN_STA_WDS))
- rx.dev = sta->dev;
- else
- rx.dev = ieee80211_get_rx_dev(local, hdr, skb->len,
- &sta_broadcast);
-
- rx.sdata = IEEE80211_DEV_TO_SUB_IF(rx.dev);
- rx.u.rx.status = status;
- rx.fc = skb->len >= 2 ? le16_to_cpu(hdr->frame_control) : 0;
- type = WLAN_FC_GET_TYPE(rx.fc);
- if (type == WLAN_FC_TYPE_DATA || type == WLAN_FC_TYPE_MGMT)
- local->dot11ReceivedFragmentCount++;
- if (sta_broadcast) {
- ieee80211_sta_rx_broadcast(&rx);
- goto end;
- }
-
- if ((status->flag & RX_FLAG_MMIC_ERROR)) {
- ieee80211_rx_michael_mic_report(dev, hdr, sta, &rx);
- goto end;
- }
-
- for (handler = local->rx_handlers; *handler != NULL; handler++) {
- res = (*handler)(&rx);
- if (res != TXRX_CONTINUE) {
- if (res == TXRX_DROP) {
- I802_DEBUG_INC(local->rx_handlers_drop);
- if (sta)
- sta->rx_dropped++;
- }
- if (res == TXRX_QUEUED)
- I802_DEBUG_INC(local->rx_handlers_queued);
- break;
- }
- }
-
- if (res == TXRX_DROP || *handler == NULL)
- dev_kfree_skb(skb);
-
- end:
- if (sta)
- sta_info_release(local, sta);
-}
-
-
-static ieee80211_txrx_result
-ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx)
-{
- struct ieee80211_local *local = tx->local;
- struct sk_buff *skb = tx->skb;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- u32 load = 0, hdrtime;
-
- /* TODO: this could be part of tx_status handling, so that the number
- * of retries would be known; TX rate should in that case be stored
- * somewhere with the packet */
-
- /* Estimate total channel use caused by this frame */
-
- /* 1 bit at 1 Mbit/s takes 1 usec; in channel_use values,
- * 1 usec = 1/8 * (1080 / 10) = 13.5 */
-
- if (local->conf.phymode == MODE_IEEE80211A ||
- local->conf.phymode == MODE_ATHEROS_TURBO ||
- local->conf.phymode == MODE_ATHEROS_TURBOG ||
- (local->conf.phymode == MODE_IEEE80211G &&
- tx->u.tx.rate->flags & IEEE80211_RATE_ERP))
- hdrtime = CHAN_UTIL_HDR_SHORT;
- else
- hdrtime = CHAN_UTIL_HDR_LONG;
-
- load = hdrtime;
- if (!MULTICAST_ADDR(hdr->addr1))
- load += hdrtime;
-
- if (tx->u.tx.control->use_rts_cts)
- load += 2 * hdrtime;
- else if (tx->u.tx.control->use_cts_protect)
- load += hdrtime;
-
- load += skb->len * tx->u.tx.rate->rate_inv;
-
- if (tx->u.tx.extra_frag) {
- int i;
- for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
- load += 2 * hdrtime;
- load += tx->u.tx.extra_frag[i]->len *
- tx->u.tx.rate->rate;
- }
- }
-
- /* Divide channel_use by 8 to avoid wrapping around the counter */
- load >>= CHAN_UTIL_SHIFT;
- local->channel_use_raw += load;
- if (tx->sta)
- tx->sta->channel_use_raw += load;
- tx->sdata->channel_use_raw += load;
-
- return TXRX_CONTINUE;
-}
-
-
-static ieee80211_txrx_result
-ieee80211_rx_h_load_stats(struct ieee80211_txrx_data *rx)
-{
- struct ieee80211_local *local = rx->local;
- struct sk_buff *skb = rx->skb;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- u32 load = 0, hdrtime;
- struct ieee80211_rate *rate;
- int i;
-
- /* Estimate total channel use caused by this frame */
-
- if (unlikely(local->num_curr_rates < 0))
- return TXRX_CONTINUE;
-
- rate = &local->curr_rates[0];
- for (i = 0; i < local->num_curr_rates; i++) {
- if (local->curr_rates[i].val == rx->u.rx.status->rate) {
- rate = &local->curr_rates[i];
- break;
- }
- }
-
- /* 1 bit at 1 Mbit/s takes 1 usec; in channel_use values,
- * 1 usec = 1/8 * (1080 / 10) = 13.5 */
-
- if (local->conf.phymode == MODE_IEEE80211A ||
- local->conf.phymode == MODE_ATHEROS_TURBO ||
- local->conf.phymode == MODE_ATHEROS_TURBOG ||
- (local->conf.phymode == MODE_IEEE80211G &&
- rate->flags & IEEE80211_RATE_ERP))
- hdrtime = CHAN_UTIL_HDR_SHORT;
- else
- hdrtime = CHAN_UTIL_HDR_LONG;
-
- load = hdrtime;
- if (!MULTICAST_ADDR(hdr->addr1))
- load += hdrtime;
-
- load += skb->len * rate->rate_inv;
-
- /* Divide channel_use by 8 to avoid wrapping around the counter */
- load >>= CHAN_UTIL_SHIFT;
- local->channel_use_raw += load;
- if (rx->sta)
- rx->sta->channel_use_raw += load;
- rx->sdata->channel_use_raw += load;
-
- return TXRX_CONTINUE;
-}
-
-
-static void ieee80211_stat_refresh(unsigned long data)
-{
- struct ieee80211_local *local = (struct ieee80211_local *) data;
- struct list_head *ptr, *n;
-
- if (!local->stat_time)
- return;
-
- /* go through all stations */
- spin_lock_bh(&local->sta_lock);
- list_for_each(ptr, &local->sta_list) {
- struct sta_info *sta =
- list_entry(ptr, struct sta_info, list);
- sta->channel_use = (sta->channel_use_raw / local->stat_time) /
- CHAN_UTIL_PER_10MS;
- sta->channel_use_raw = 0;
- }
- spin_unlock_bh(&local->sta_lock);
-
- /* go through all subinterfaces */
- list_for_each_safe(ptr, n, &local->sub_if_list) {
- struct ieee80211_sub_if_data *sdata =
- list_entry(ptr, struct ieee80211_sub_if_data, list);
- sdata->channel_use = (sdata->channel_use_raw /
- local->stat_time) / CHAN_UTIL_PER_10MS;
- sdata->channel_use_raw = 0;
-
- }
-
- /* hardware interface */
- local->channel_use = (local->channel_use_raw /
- local->stat_time) / CHAN_UTIL_PER_10MS;
- local->channel_use_raw = 0;
-
- local->stat_timer.expires = jiffies + HZ * local->stat_time / 100;
- add_timer(&local->stat_timer);
-}
-
-
-/* This is a version of the rx handler that can be called from hard irq
- * context. Post the skb on the queue and schedule the tasklet */
-void ieee80211_rx_irqsafe(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_rx_status *status)
-{
- struct ieee80211_local *local = dev->priv;
-
- skb->dev = dev;
- memcpy(skb->cb, status, sizeof(struct ieee80211_rx_status));
- skb->pkt_type = ieee80211_rx_msg;
- skb_queue_tail(&local->skb_queue, skb);
- tasklet_schedule(&local->tasklet);
-}
-
-
-void ieee80211_tx_status_irqsafe(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_tx_status *status)
-{
- struct ieee80211_local *local = dev->priv;
- int tmp;
-
- if (status->tx_filtered || status->excessive_retries) {
- /* Need to save a copy of skb->cb somewhere. Storing it in the
- * end of the data might not be the most efficient way of doing
- * this (since it may require reallocation of packet data), but
- * should be good enough for now since tx_filtered or
- * excessive_retries should not be triggered that often. */
- if (skb_is_nonlinear(skb)) {
- if (skb_linearize(skb, GFP_ATOMIC)) {
- printk(KERN_DEBUG "%s: Failed to linearize "
- "skb\n", dev->name);
- dev_kfree_skb_irq(skb);
- return;
- }
- }
- if (skb_tailroom(skb) < sizeof(skb->cb) &&
- pskb_expand_head(skb, 0, sizeof(skb->cb), GFP_ATOMIC)) {
- printk(KERN_DEBUG "%s: Failed to store skb->cb "
- "in skb->data for TX filtered frame\n",
- dev->name);
- dev_kfree_skb_irq(skb);
- return;
- }
- memcpy(skb_put(skb, sizeof(skb->cb)), skb->cb,
- sizeof(skb->cb));
- }
-
- skb->dev = dev;
- memcpy(skb->cb, status, sizeof(struct ieee80211_tx_status));
- skb->pkt_type = ieee80211_tx_status_msg;
- skb_queue_tail(status->req_tx_status ?
- &local->skb_queue : &local->skb_queue_unreliable, skb);
- tmp = skb_queue_len(&local->skb_queue) +
- skb_queue_len(&local->skb_queue_unreliable);
- while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT &&
- (skb = skb_dequeue(&local->skb_queue_unreliable))) {
- dev_kfree_skb_irq(skb);
- tmp--;
- I802_DEBUG_INC(local->tx_status_drop);
- }
- tasklet_schedule(&local->tasklet);
-}
-
-
-static void ieee80211_tasklet_handler(unsigned long data)
-{
- struct ieee80211_local *local = (struct ieee80211_local *) data;
- struct sk_buff *skb;
- struct ieee80211_rx_status rx_status;
- struct ieee80211_tx_status tx_status;
-
- while ((skb = skb_dequeue(&local->skb_queue)) ||
- (skb = skb_dequeue(&local->skb_queue_unreliable))) {
- switch (skb->pkt_type) {
- case ieee80211_rx_msg:
- /* Make a copy of the RX status because the original
- * skb may be freed during processing. Clear skb->type
- * in order to not confuse kernel netstack. */
- memcpy(&rx_status, skb->cb, sizeof(rx_status));
- skb->pkt_type = 0;
- ieee80211_rx(skb->dev, skb, &rx_status);
- break;
- case ieee80211_tx_status_msg:
- /* Make a copy of the TX status because the original
- * skb may be freed during processing. */
- memcpy(&tx_status, skb->cb, sizeof(tx_status));
- skb->pkt_type = 0;
- if ((tx_status.tx_filtered ||
- tx_status.excessive_retries) &&
- skb->len >= sizeof(skb->cb)) {
- /* Restore skb->cb from the copy that was made
- * in ieee80211_tx_status_irqsafe() */
- memcpy(skb->cb,
- skb->data + skb->len - sizeof(skb->cb),
- sizeof(skb->cb));
- skb_trim(skb, skb->len - sizeof(skb->cb));
- }
- ieee80211_tx_status(skb->dev, skb, &tx_status);
- break;
- default: /* should never get here! */
- printk(KERN_ERR "%s: Unknown message type (%d)\n",
- local->wdev->name, skb->pkt_type);
- dev_kfree_skb(skb);
- break;
- }
- }
-}
-
-
-/* Remove added headers (e.g., QoS control), encryption header/MIC, etc. to
- * make a prepared TX frame (one that has been given to hw) to look like brand
- * new IEEE 802.11 frame that is ready to go through TX processing again. */
-static void ieee80211_remove_tx_extra(struct ieee80211_local *local,
- struct ieee80211_key *key,
- struct sk_buff *skb)
-{
- int hdrlen, iv_len, mic_len;
-
- if (key == NULL)
- return;
-
- hdrlen = ieee80211_get_hdrlen_from_skb(skb);
-
- switch (key->alg) {
- case ALG_WEP:
- iv_len = WEP_IV_LEN;
- mic_len = WEP_ICV_LEN;
- break;
- case ALG_TKIP:
- iv_len = TKIP_IV_LEN;
- mic_len = TKIP_ICV_LEN;
- break;
- case ALG_CCMP:
- iv_len = CCMP_HDR_LEN;
- mic_len = CCMP_MIC_LEN;
- break;
- default:
- return;
- }
-
- if (skb->len >= mic_len && key->force_sw_encrypt)
- skb_trim(skb, skb->len - mic_len);
- if (skb->len >= iv_len && skb->len > hdrlen) {
- memmove(skb->data + iv_len, skb->data, hdrlen);
- skb_pull(skb, iv_len);
- }
-
- {
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- u16 fc = le16_to_cpu(hdr->frame_control);
- if ((fc & 0x8C) == 0x88) /* QoS Control Field */ {
- fc &= ~(WLAN_FC_STYPE_QOS_DATA << 4);
- hdr->frame_control = cpu_to_le16(fc);
- memmove(skb->data + 2, skb->data, hdrlen - 2);
- skb_pull(skb, 2);
- }
- }
-}
-
-
-void ieee80211_tx_status(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_tx_status *status)
-{
- struct sk_buff *skb2;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_tx_packet_data *pkt_data =
- (struct ieee80211_tx_packet_data *) skb->cb;
- u16 frag, type;
- u32 msg_type;
-
- if (!status) {
- printk(KERN_ERR
- "%s: ieee80211_tx_status called with NULL status\n",
- dev->name);
- dev_kfree_skb(skb);
- return;
- }
-
- if (status->excessive_retries) {
- struct sta_info *sta;
-
-
- sta = sta_info_get(local, hdr->addr1);
- if (sta) {
- if (sta->flags & WLAN_STA_PS) {
- /* The STA is in power save mode, so assume
- * that this TX packet failed because of that.
- */
- status->excessive_retries = 0;
- status->tx_filtered = 1;
- }
- sta_info_release(local, sta);
- }
- }
-
- if (status->tx_filtered) {
- struct sta_info *sta;
- sta = sta_info_get(local, hdr->addr1);
- if (sta) {
-
- sta->tx_filtered_count++;
-
- /* Clear the TX filter mask for this STA when sending
- * the next packet. If the STA went to power save mode,
- * this will happen when it is waking up for the next
- * time. */
- sta->clear_dst_mask = 1;
-
- /* TODO: Is the WLAN_STA_PS flag always set here or is
- * the race between RX and TX status causing some
- * packets to be filtered out before 80211.o gets an
- * update for PS status? This seems to be the case, so
- * no changes are likely to be needed. */
- if (sta->flags & WLAN_STA_PS &&
- skb_queue_len(&sta->tx_filtered) <
- STA_MAX_TX_BUFFER) {
- ieee80211_remove_tx_extra(local, sta->key,
- skb);
- skb_queue_tail(&sta->tx_filtered, skb);
- } else if (!(sta->flags & WLAN_STA_PS) &&
- !pkt_data->control.requeue) {
- /* Software retry the packet once */
- pkt_data->control.requeue = 1;
- ieee80211_remove_tx_extra(local, sta->key,
- skb);
- dev_queue_xmit(skb);
- } else {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: dropped TX "
- "filtered frame queue_len=%d "
- "PS=%d @%lu\n",
- dev->name,
- skb_queue_len(
- &sta->tx_filtered),
- !!(sta->flags & WLAN_STA_PS),
- jiffies);
- }
- dev_kfree_skb(skb);
- }
- sta_info_release(local, sta);
- return;
- }
- } else {
- rate_control_tx_status(dev, skb, status);
- }
-
-#ifdef IEEE80211_LEDS
- if (local->tx_led_counter && (local->tx_led_counter-- == 1)) {
- ieee80211_tx_led(0, dev);
- }
-#endif /* IEEE80211_LEDS */
- /* SNMP counters
- * Fragments are passed to low-level drivers as separate skbs, so these
- * are actually fragments, not frames. Update frame counters only for
- * the first fragment of the frame. */
-
- frag = WLAN_GET_SEQ_FRAG(le16_to_cpu(hdr->seq_ctrl));
- type = WLAN_FC_GET_TYPE(le16_to_cpu(hdr->frame_control));
-
- if (status->ack) {
- if (frag == 0) {
- local->dot11TransmittedFrameCount++;
- if (MULTICAST_ADDR(hdr->addr1))
- local->dot11MulticastTransmittedFrameCount++;
- if (status->retry_count > 0)
- local->dot11RetryCount++;
- if (status->retry_count > 1)
- local->dot11MultipleRetryCount++;
- }
-
- /* This counter shall be incremented for an acknowledged MPDU
- * with an individual address in the address 1 field or an MPDU
- * with a multicast address in the address 1 field of type Data
- * or Management. */
- if (!MULTICAST_ADDR(hdr->addr1) || type == WLAN_FC_TYPE_DATA ||
- type == WLAN_FC_TYPE_MGMT)
- local->dot11TransmittedFragmentCount++;
- } else {
- if (frag == 0)
- local->dot11FailedCount++;
- }
-
- if (!status->req_tx_status) {
- dev_kfree_skb(skb);
- return;
- }
-
- msg_type = status->ack ? ieee80211_msg_tx_callback_ack :
- ieee80211_msg_tx_callback_fail;
-
- /* skb was the original skb used for TX. Clone it and give the clone
- * to netif_rx(). Free original skb. */
- skb2 = skb_copy(skb, GFP_ATOMIC);
- if (!skb2) {
- dev_kfree_skb(skb);
- return;
- }
- dev_kfree_skb(skb);
- skb = skb2;
-
- /* Send frame to hostapd */
- ieee80211_rx_mgmt(dev, skb, NULL, msg_type);
-}
-
-
-/* TODO: implement register/unregister functions for adding TX/RX handlers
- * into ordered list */
-
-static ieee80211_rx_handler ieee80211_rx_handlers[] =
-{
- ieee80211_rx_h_parse_qos,
- ieee80211_rx_h_load_stats,
- ieee80211_rx_h_monitor,
- ieee80211_rx_h_passive_scan,
- ieee80211_rx_h_check,
- ieee80211_rx_h_sta_process,
- ieee80211_rx_h_ccmp_decrypt,
- ieee80211_rx_h_tkip_decrypt,
- ieee80211_rx_h_wep_weak_iv_detection,
- ieee80211_rx_h_wep_decrypt,
- ieee80211_rx_h_defragment,
- ieee80211_rx_h_ieee80211_rx_h_ps_poll,
- ieee80211_rx_h_michael_mic_verify,
- /* this must be after decryption - so header is counted in MPDU mic
- * must be before pae and data, so QOS_DATA format frames
- * are not passed to user space by these functions
- */
- ieee80211_rx_h_remove_qos_control,
- ieee80211_rx_h_802_1x_pae,
- ieee80211_rx_h_drop_unencrypted,
- ieee80211_rx_h_data,
- ieee80211_rx_h_mgmt,
- NULL
-};
-
-static ieee80211_tx_handler ieee80211_tx_handlers[] =
-{
- ieee80211_tx_h_rate_limit,
- ieee80211_tx_h_check_assoc,
- ieee80211_tx_h_ps_buf,
- ieee80211_tx_h_select_key,
- ieee80211_tx_h_michael_mic_add,
- ieee80211_tx_h_fragment,
- ieee80211_tx_h_tkip_encrypt,
- ieee80211_tx_h_ccmp_encrypt,
- ieee80211_tx_h_wep_encrypt,
- ieee80211_tx_h_rate_ctrl,
- ieee80211_tx_h_misc,
- ieee80211_tx_h_load_stats,
- NULL
-};
-
-
-static void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata)
-{
- /* Default values for sub-interface parameters */
- sdata->drop_unencrypted = 0;
- sdata->eapol = 1;
-}
-
-
-static struct net_device *ieee80211_if_add(struct net_device *dev,
- char *name, int locked)
-{
- struct net_device *wds_dev = NULL, *tmp_dev;
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sub_if_data *sdata = NULL, *sdata_parent;
- int alloc_size;
- int ret;
- int i;
-
- /* ensure 32-bit alignment of our private data and hw private data */
- alloc_size = sizeof(struct net_device) + 3 +
- sizeof(struct ieee80211_sub_if_data) + 3;
-
- wds_dev = (struct net_device *) kmalloc(alloc_size, GFP_KERNEL);
- if (wds_dev == NULL)
- return NULL;
-
- memset(wds_dev, 0, alloc_size);
- wds_dev->priv = local;
- ether_setup(wds_dev);
- if (strlen(name) == 0) {
- i = 0;
- do {
- sprintf(wds_dev->name, "%s.%d", dev->name, i++);
- tmp_dev = dev_get_by_name(wds_dev->name);
- if (tmp_dev == NULL)
- break;
- dev_put(tmp_dev);
- } while (i < 10000);
- } else {
- snprintf(wds_dev->name, IFNAMSIZ, "%s", name);
- }
-
- memcpy(wds_dev->dev_addr, dev->dev_addr, ETH_ALEN);
- wds_dev->hard_start_xmit = ieee80211_subif_start_xmit;
- wds_dev->do_ioctl = ieee80211_ioctl;
- wds_dev->change_mtu = ieee80211_change_mtu;
- wds_dev->tx_timeout = ieee80211_tx_timeout;
- wds_dev->get_stats = ieee80211_get_stats;
- wds_dev->open = ieee80211_open;
- wds_dev->stop = ieee80211_stop;
- wds_dev->base_addr = dev->base_addr;
- wds_dev->irq = dev->irq;
- wds_dev->mem_start = dev->mem_start;
- wds_dev->mem_end = dev->mem_end;
- wds_dev->tx_queue_len = 0;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(wds_dev);
- sdata->type = IEEE80211_SUB_IF_TYPE_NORM;
- sdata->master = local->mdev;
- sdata->dev = wds_dev;
- sdata->local = local;
- memset(&sdata->stats, 0, sizeof(struct net_device_stats));
- sdata_parent = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata_parent->type == IEEE80211_SUB_IF_TYPE_NORM)
- sdata->bss = &sdata_parent->u.norm;
- else {
- printk(KERN_DEBUG "%s: could not set BSS pointer for new "
- "interface %s\n", dev->name, wds_dev->name);
- }
- ieee80211_if_sdata_init(sdata);
-
- if (locked)
- ret = register_netdevice(wds_dev);
- else
- ret = register_netdev(wds_dev);
- if (ret) {
- kfree(wds_dev);
- return NULL;
- }
-
- list_add(&sdata->list, &local->sub_if_list);
-
- strcpy(name, wds_dev->name);
-
- return wds_dev;
-}
-
-
-int ieee80211_if_add_wds(struct net_device *dev, char *name,
- struct ieee80211_if_wds *wds, int locked)
-{
- struct net_device *wds_dev = NULL;
- struct ieee80211_sub_if_data *sdata = NULL;
-
- if (strlen(name) != 0) {
- wds_dev = dev_get_by_name(name);
- if (wds_dev) {
- dev_put(wds_dev);
- return -EEXIST;
- }
- }
-
- wds_dev = ieee80211_if_add(dev, name, locked);
- if (wds_dev == NULL)
- return -ENOANO;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(wds_dev);
- sdata->type = IEEE80211_SUB_IF_TYPE_WDS;
- memcpy(&sdata->u.wds, wds, sizeof(struct ieee80211_if_wds));
-
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
- printk(KERN_DEBUG
- "%s: Added WDS Link to " MACSTR "\n",
- wds_dev->name, MAC2STR(sdata->u.wds.remote_addr));
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
-
-
- ieee80211_proc_init_virtual(wds_dev);
-
- return 0;
-}
-
-
-int ieee80211_if_update_wds(struct net_device *dev, char *name,
- struct ieee80211_if_wds *wds, int locked)
-{
- struct net_device *wds_dev = NULL;
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sub_if_data *sdata = NULL;
- struct sta_info *sta;
- struct list_head *ptr;
-
- list_for_each(ptr, &local->sub_if_list) {
- sdata = list_entry(ptr, struct ieee80211_sub_if_data, list);
- if (strcmp(name, sdata->dev->name) == 0) {
- wds_dev = sdata->dev;
- break;
- }
- }
-
- if (wds_dev == NULL || sdata->type != IEEE80211_SUB_IF_TYPE_WDS)
- return -ENODEV;
-
- /* Remove STA entry for the old peer */
- sta = sta_info_get(local, sdata->u.wds.remote_addr);
- if (sta) {
- sta_info_release(local, sta);
- sta_info_free(local, sta, 0);
- } else {
- printk(KERN_DEBUG "%s: could not find STA entry for WDS link "
- "%s peer " MACSTR "\n",
- dev->name, wds_dev->name,
- MAC2STR(sdata->u.wds.remote_addr));
- }
-
- /* Update WDS link data */
- memcpy(&sdata->u.wds, wds, sizeof(struct ieee80211_if_wds));
-
-
- return 0;
-}
-
-
-static void ieee80211_if_init(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
-
- spin_lock_init(&local->sub_if_lock);
- INIT_LIST_HEAD(&local->sub_if_list);
-
-}
-
-
-int ieee80211_if_add_vlan(struct net_device *dev,
- char *name,
- struct ieee80211_if_vlan *vlan,
- int locked)
-{
- struct net_device *vlan_dev = NULL;
- struct ieee80211_sub_if_data *sdata = NULL;
-
- if (strlen(name) != 0) {
- vlan_dev = dev_get_by_name(name);
- if (vlan_dev) {
- dev_put(vlan_dev);
- return -EEXIST;
- }
- }
-
- vlan_dev = ieee80211_if_add(dev, name, locked);
- if (vlan_dev == NULL)
- return -ENOANO;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(vlan_dev);
- sdata->type = IEEE80211_SUB_IF_TYPE_VLAN;
- ieee80211_proc_init_virtual(vlan_dev);
- return 0;
-}
-
-
-static void ieee80211_if_norm_init(struct ieee80211_sub_if_data *sdata)
-{
- sdata->type = IEEE80211_SUB_IF_TYPE_NORM;
- sdata->u.norm.dtim_period = 2;
- sdata->u.norm.force_unicast_rateidx = -1;
- sdata->u.norm.max_ratectrl_rateidx = -1;
- skb_queue_head_init(&sdata->u.norm.ps_bc_buf);
- sdata->bss = &sdata->u.norm;
-}
-
-
-int ieee80211_if_add_norm(struct net_device *dev, char *name, u8 *bssid,
- int locked)
-{
- struct ieee80211_local *local = dev->priv;
- struct net_device *norm_dev = NULL;
- struct ieee80211_sub_if_data *sdata = NULL;
-
- if (local->bss_dev_count >= local->conf.bss_count)
- return -ENOBUFS;
-
- if (strlen(name) != 0) {
- norm_dev = dev_get_by_name(name);
- if (norm_dev) {
- dev_put(norm_dev);
- return -EEXIST;
- }
- }
-
- norm_dev = ieee80211_if_add(dev, name, locked);
- if (norm_dev == NULL)
- return -ENOANO;
-
- memcpy(norm_dev->dev_addr, bssid, ETH_ALEN);
- sdata = IEEE80211_DEV_TO_SUB_IF(norm_dev);
- ieee80211_if_norm_init(sdata);
- ieee80211_proc_init_virtual(norm_dev);
- spin_lock_bh(&local->sub_if_lock);
- local->bss_devs[local->bss_dev_count] = norm_dev;
- local->bss_dev_count++;
- spin_unlock_bh(&local->sub_if_lock);
-
- return 0;
-}
-
-
-static void ieee80211_addr_inc(u8 *addr)
-{
- int pos = 5;
- while (pos >= 0) {
- addr[pos]++;
- if (addr[pos] != 0)
- break;
- pos--;
- }
-}
-
-
-int ieee80211_if_add_sta(struct net_device *dev, char *name, int locked)
-{
- struct ieee80211_local *local = dev->priv;
- struct net_device *sta_dev;
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_if_sta *ifsta;
- int i;
-
- if (local->sta_dev_count >= local->conf.bss_count)
- return -ENOBUFS;
-
- if (strlen(name) != 0) {
- sta_dev = dev_get_by_name(name);
- if (sta_dev) {
- dev_put(sta_dev);
- return -EEXIST;
- }
- }
-
- sta_dev = ieee80211_if_add(dev, name, locked);
- if (sta_dev == NULL)
- return -ENOANO;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(sta_dev);
- ifsta = &sdata->u.sta;
- sdata->type = IEEE80211_SUB_IF_TYPE_STA;
- ieee80211_proc_init_virtual(sta_dev);
-
- spin_lock_bh(&local->sub_if_lock);
- for (i = 0; i < local->conf.bss_count; i++) {
- if (local->sta_devs[i] == NULL) {
- local->sta_devs[i] = sta_dev;
- local->sta_dev_count++;
- printk(KERN_DEBUG "%s: using STA entry %d\n",
- sta_dev->name, i);
- while (i > 0) {
- ieee80211_addr_inc(sta_dev->dev_addr);
- i--;
- }
- printk(KERN_DEBUG "%s: MAC address " MACSTR "\n",
- sta_dev->name, MAC2STR(sta_dev->dev_addr));
- break;
- }
- }
- spin_unlock_bh(&local->sub_if_lock);
-
- init_timer(&ifsta->timer);
- ifsta->timer.data = (unsigned long) sta_dev;
- ifsta->timer.function = ieee80211_sta_timer;
-
- ifsta->capab = WLAN_CAPABILITY_ESS;
- ifsta->auth_algs = IEEE80211_AUTH_ALG_OPEN |
- IEEE80211_AUTH_ALG_SHARED_KEY;
- ifsta->create_ibss = 1;
- ifsta->wmm_enabled = 1;
-
- return 0;
-}
-
-
-static void ieee80211_if_del(struct ieee80211_local *local,
- struct ieee80211_sub_if_data *sdata, int locked)
-{
- struct sta_info *sta;
- u8 addr[ETH_ALEN];
- int i, j;
- struct list_head *ptr, *n;
-
- memset(addr, 0xff, ETH_ALEN);
- for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
- if (!sdata->keys[i])
- continue;
-#if 0
- /* Low-level driver has probably disabled hw
- * already, so there is not really much point
- * in disabling the keys at this point. */
- if (local->hw->set_key)
- local->hw->set_key(dev, DISABLE_KEY, addr,
- local->keys[i], 0);
-#endif
- kfree(sdata->keys[i]);
- }
-
- switch (sdata->type) {
- case IEEE80211_SUB_IF_TYPE_NORM:
- /* Remove all virtual interfaces that use this BSS
- * as their sdata->bss */
- list_for_each_safe(ptr, n, &local->sub_if_list) {
- struct ieee80211_sub_if_data *tsdata =
- list_entry(ptr, struct ieee80211_sub_if_data,
- list);
-
- if (tsdata != sdata && tsdata->bss == &sdata->u.norm) {
- printk(KERN_DEBUG "%s: removing virtual "
- "interface %s because its BSS interface"
- " is being removed\n",
- sdata->dev->name, tsdata->dev->name);
- ieee80211_if_del(local, tsdata, locked);
- }
- }
-
- kfree(sdata->u.norm.beacon_head);
- kfree(sdata->u.norm.beacon_tail);
- spin_lock_bh(&local->sub_if_lock);
- for (j = 0; j < local->bss_dev_count; j++) {
- if (sdata->dev == local->bss_devs[j]) {
- if (j + 1 < local->bss_dev_count) {
- memcpy(&local->bss_devs[j],
- &local->bss_devs[j + 1],
- (local->bss_dev_count - j - 1) *
- sizeof(local->bss_devs[0]));
- local->bss_devs[local->bss_dev_count -
- 1] = NULL;
- } else
- local->bss_devs[j] = NULL;
- local->bss_dev_count--;
- break;
- }
- }
- spin_unlock_bh(&local->sub_if_lock);
-
- if (sdata->dev != local->mdev) {
- struct sk_buff *skb;
- while ((skb = skb_dequeue(&sdata->u.norm.ps_bc_buf))) {
- local->total_ps_buffered--;
- dev_kfree_skb(skb);
- }
- }
-
- break;
- case IEEE80211_SUB_IF_TYPE_WDS:
- sta = sta_info_get(local, sdata->u.wds.remote_addr);
- if (sta) {
- sta_info_release(local, sta);
- sta_info_free(local, sta, 0);
- } else {
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Someone had deleted my STA "
- "entry for the WDS link\n", sdata->dev->name);
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
- }
- break;
- case IEEE80211_SUB_IF_TYPE_STA:
- del_timer_sync(&sdata->u.sta.timer);
- if (local->scan_timer.data == (unsigned long) sdata->dev)
- del_timer_sync(&local->scan_timer);
- kfree(sdata->u.sta.extra_ie);
- sdata->u.sta.extra_ie = NULL;
- kfree(sdata->u.sta.assocreq_ies);
- sdata->u.sta.assocreq_ies = NULL;
- kfree(sdata->u.sta.assocresp_ies);
- sdata->u.sta.assocresp_ies = NULL;
- if (sdata->u.sta.probe_resp) {
- dev_kfree_skb(sdata->u.sta.probe_resp);
- sdata->u.sta.probe_resp = NULL;
- }
- for (i = 0; i < local->conf.bss_count; i++) {
- if (local->sta_devs[i] == sdata->dev) {
- local->sta_devs[i] = NULL;
- local->sta_dev_count--;
- break;
- }
- }
-
- break;
- }
-
- /* remove all STAs that are bound to this virtual interface */
- sta_info_flush(local, sdata->dev);
-
- list_del(&sdata->list);
- ieee80211_proc_deinit_virtual(sdata->dev);
- if (locked)
- unregister_netdevice(sdata->dev);
- else
- unregister_netdev(sdata->dev);
- /* Default data device and management device are allocated with the
- * master device. All other devices are separately allocated and will
- * be freed here. */
- if (sdata->dev != local->mdev && sdata->dev != local->wdev &&
- sdata->dev != local->apdev)
- kfree(sdata->dev);
-}
-
-
-static int ieee80211_if_remove(struct net_device *dev, char *name, int id,
- int locked)
-{
- struct ieee80211_local *local = dev->priv;
- struct list_head *ptr, *n;
-
- /* Make sure not to touch sdata->master since it may
- * have already been deleted, etc. */
-
- list_for_each_safe(ptr, n, &local->sub_if_list) {
- struct ieee80211_sub_if_data *sdata =
- list_entry(ptr, struct ieee80211_sub_if_data, list);
-
- if (sdata->type == id && strcmp(name, sdata->dev->name) == 0) {
- ieee80211_if_del(local, sdata, locked);
- break;
- }
- }
-
- return 0;
-}
-
-
-int ieee80211_if_remove_wds(struct net_device *dev, char *name, int locked)
-{
- return ieee80211_if_remove(dev, name, IEEE80211_SUB_IF_TYPE_WDS,
- locked);
-}
-
-
-int ieee80211_if_remove_vlan(struct net_device *dev, char *name, int locked)
-{
- return ieee80211_if_remove(dev, name, IEEE80211_SUB_IF_TYPE_VLAN,
- locked);
-}
-
-
-int ieee80211_if_remove_norm(struct net_device *dev, char *name, int locked)
-{
- return ieee80211_if_remove(dev, name, IEEE80211_SUB_IF_TYPE_NORM,
- locked);
-}
-
-
-int ieee80211_if_remove_sta(struct net_device *dev, char *name, int locked)
-{
- return ieee80211_if_remove(dev, name, IEEE80211_SUB_IF_TYPE_STA,
- locked);
-}
-
-
-int ieee80211_if_flush(struct net_device *dev, int locked)
-{
- struct ieee80211_local *local = dev->priv;
- struct list_head *ptr, *n;
-
- list_for_each_safe(ptr, n, &local->sub_if_list) {
- struct ieee80211_sub_if_data *sdata =
- list_entry(ptr, struct ieee80211_sub_if_data, list);
-
- if (sdata->dev != local->mdev &&
- sdata->dev != local->wdev &&
- sdata->dev != local->apdev)
- ieee80211_if_del(local, sdata, locked);
- }
-
- return 0;
-}
-
-
-static void ieee80211_precalc_rates(struct ieee80211_hw *hw)
-{
- struct ieee80211_hw_modes *mode;
- struct ieee80211_rate *rate;
- int m, r;
-
- for (m = 0; m < hw->num_modes; m++) {
- mode = &hw->modes[m];
- for (r = 0; r < mode->num_rates; r++) {
- rate = &mode->rates[r];
- rate->rate_inv = CHAN_UTIL_RATE_LCM / rate->rate;
- }
- }
-}
-
-
-struct net_device *ieee80211_alloc_hw(size_t priv_data_len,
- void (*setup)(struct net_device *))
-{
- struct net_device *dev, *apdev, *mdev;
- struct ieee80211_local *local;
- struct ieee80211_sub_if_data *sdata;
- int alloc_size;
-
- /* Ensure 32-bit alignment of our private data and hw private data.
- * Each net_device is followed by a sub_if_data which which is used
- * for wds/vlan information; it is aligned as well.
- *
- * Sample memory map looks something like:
- *
- * 0000 *****************
- * * net_dev *
- * 015c *****************
- * * sub_if *
- * 017c *****************
- * * local *
- * 0b84 *****************
- * * hw_priv *
- * 1664 *****************
- * * ap net_dev *
- * 17c0 *****************
- * * sub_if *
- * *****************
- * * master net_dev*
- * *****************
- * * sub_if *
- * *****************
- */
- alloc_size = sizeof(struct net_device) +
- sizeof(struct ieee80211_sub_if_data) + 3 +
- sizeof(struct ieee80211_local) + 3 +
- priv_data_len + 3 +
- sizeof(struct net_device) + 3 +
- sizeof(struct ieee80211_sub_if_data) + 3 +
- sizeof(struct net_device) + 3 +
- sizeof(struct ieee80211_sub_if_data) + 3 +
- 4096;
- mdev = (struct net_device *) kzalloc(alloc_size, GFP_KERNEL);
- if (mdev == NULL)
- return NULL;
-
- mdev->priv = (struct net_device *)
- (((long) mdev +
- sizeof(struct net_device) +
- sizeof(struct ieee80211_sub_if_data) + 3)
- & ~3);
- local = mdev->priv;
- local->hw_priv = (void *)
- (((long) local + sizeof(struct ieee80211_local) + 3) & ~3);
- apdev = (struct net_device *)
- (((long) local->hw_priv + priv_data_len + 3) & ~3);
- dev = (struct net_device *)
- (((long) apdev +
- sizeof(struct net_device) +
- sizeof(struct ieee80211_sub_if_data) + 3)
- & ~3);
- dev->priv = local;
-
- ether_setup(dev);
- memcpy(dev->name, "wlan%d", 7);
-
- dev->hard_start_xmit = ieee80211_subif_start_xmit;
- dev->do_ioctl = ieee80211_ioctl;
- dev->change_mtu = ieee80211_change_mtu;
- dev->tx_timeout = ieee80211_tx_timeout;
- dev->get_stats = ieee80211_get_stats;
- dev->open = ieee80211_open;
- dev->stop = ieee80211_stop;
- dev->tx_queue_len = 0;
- dev->set_mac_address = ieee80211_set_mac_address;
-
- local->wdev = dev;
- local->mdev = mdev;
- local->rx_handlers = ieee80211_rx_handlers;
- local->tx_handlers = ieee80211_tx_handlers;
-
- local->bridge_packets = 1;
-
- local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
- local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
- local->short_retry_limit = 7;
- local->long_retry_limit = 4;
- local->conf.calib_int = 60;
- local->rate_ctrl_num_up = RATE_CONTROL_NUM_UP;
- local->rate_ctrl_num_down = RATE_CONTROL_NUM_DOWN;
- local->conf.bss_count = 1;
- memset(local->conf.bssid_mask, 0xff, ETH_ALEN);
- local->bss_devs = kmalloc(sizeof(struct net_device *), GFP_KERNEL);
- if (local->bss_devs == NULL)
- goto fail;
- local->bss_devs[0] = local->wdev;
- local->bss_dev_count = 1;
- local->sta_devs = kmalloc(sizeof(struct net_device *), GFP_KERNEL);
- if (local->sta_devs == NULL)
- goto fail;
- local->sta_devs[0] = NULL;
-
- local->scan.in_scan = 0;
- local->hw_modes = (unsigned int) -1;
-
- init_timer(&local->scan.timer); /* clear it out */
-
- spin_lock_init(&local->generic_lock);
- init_timer(&local->rate_limit_timer);
- local->rate_limit_timer.function = ieee80211_rate_limit;
- local->rate_limit_timer.data = (unsigned long) local;
- init_timer(&local->stat_timer);
- local->stat_timer.function = ieee80211_stat_refresh;
- local->stat_timer.data = (unsigned long) local;
- ieee80211_rx_bss_list_init(dev);
-
- sta_info_init(local);
-
- ieee80211_if_init(dev);
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- sdata->dev = dev;
- sdata->master = mdev;
- sdata->local = local;
- ieee80211_if_sdata_init(sdata);
- ieee80211_if_norm_init(sdata);
- list_add_tail(&sdata->list, &local->sub_if_list);
-
- if (strlen(dev->name) + 2 >= sizeof(dev->name))
- goto fail;
-
- apdev = (struct net_device *)
- (((long) local->hw_priv + priv_data_len + 3) & ~3);
- local->apdev = apdev;
- ether_setup(apdev);
- apdev->priv = local;
- apdev->hard_start_xmit = ieee80211_mgmt_start_xmit;
- apdev->change_mtu = ieee80211_change_mtu_apdev;
- apdev->get_stats = ieee80211_get_stats;
- apdev->open = ieee80211_open;
- apdev->stop = ieee80211_stop;
- apdev->type = ARPHRD_IEEE80211_PRISM;
- apdev->hard_header_parse = header_parse_80211;
- apdev->tx_queue_len = 0;
- sprintf(apdev->name, "%sap", dev->name);
-
- sdata = IEEE80211_DEV_TO_SUB_IF(apdev);
- sdata->type = IEEE80211_SUB_IF_TYPE_MGMT;
- sdata->dev = apdev;
- sdata->master = mdev;
- sdata->local = local;
- list_add_tail(&sdata->list, &local->sub_if_list);
-
- ether_setup(mdev);
- mdev->hard_start_xmit = ieee80211_master_start_xmit;
- mdev->do_ioctl = ieee80211_ioctl;
- mdev->change_mtu = ieee80211_change_mtu;
- mdev->tx_timeout = ieee80211_tx_timeout;
- mdev->get_stats = ieee80211_get_stats;
- mdev->open = ieee80211_open;
- mdev->stop = ieee80211_stop;
- mdev->type = ARPHRD_IEEE80211;
- mdev->hard_header_parse = header_parse_80211;
- sprintf(mdev->name, "%s.11", dev->name);
-
- sdata = IEEE80211_DEV_TO_SUB_IF(mdev);
- sdata->type = IEEE80211_SUB_IF_TYPE_NORM;
- sdata->dev = mdev;
- sdata->master = mdev;
- sdata->local = local;
- list_add_tail(&sdata->list, &local->sub_if_list);
-
- tasklet_init(&local->tasklet,
- ieee80211_tasklet_handler,
- (unsigned long) local);
- skb_queue_head_init(&local->skb_queue);
- skb_queue_head_init(&local->skb_queue_unreliable);
-
- if (setup)
- setup(mdev);
-
- return mdev;
-
- fail:
- ieee80211_free_hw(mdev);
- return NULL;
-}
-
-int ieee80211_register_hw(struct net_device *dev, struct ieee80211_hw *hw)
-{
- struct ieee80211_local *local = dev->priv;
- int result;
-
- if (!hw)
- return -1;
-
- if (hw->version != IEEE80211_VERSION) {
- printk("ieee80211_register_hw - version mismatch: 80211.o "
- "version %d, low-level driver version %d\n",
- IEEE80211_VERSION, hw->version);
- return -1;
- }
-
- local->conf.mode = IW_MODE_MASTER;
- local->conf.beacon_int = 1000;
-
- ieee80211_update_hw(dev, hw); /* Don't care about the result. */
-
- sta_info_start(local);
-
- result = register_netdev(local->wdev);
- if (result < 0)
- return -1;
-
- result = register_netdev(local->apdev);
- if (result < 0)
- goto fail_2nd_dev;
-
- if (hw->fraglist)
- dev->features |= NETIF_F_FRAGLIST;
- result = register_netdev(dev);
- if (result < 0)
- goto fail_3rd_dev;
-
- if (rate_control_initialize(local) < 0) {
- printk(KERN_DEBUG "%s: Failed to initialize rate control "
- "algorithm\n", dev->name);
- goto fail_rate;
- }
-
- /* TODO: add rtnl locking around device creation and qdisc install */
- ieee80211_install_qdisc(dev);
-
- ieee80211_wep_init(local);
- ieee80211_proc_init_interface(local);
- return 0;
-
-fail_rate:
- unregister_netdev(dev);
-fail_3rd_dev:
- unregister_netdev(local->apdev);
-fail_2nd_dev:
- unregister_netdev(local->wdev);
- sta_info_stop(local);
- return result;
-}
-
-int ieee80211_update_hw(struct net_device *dev, struct ieee80211_hw *hw)
-{
- struct ieee80211_local *local = dev->priv;
-
- local->hw = hw;
-
- /* Backwards compatibility for low-level drivers that do not set number
- * of TX queues. */
- if (hw->queues == 0)
- hw->queues = 1;
-
- memcpy(local->apdev->dev_addr, dev->dev_addr, ETH_ALEN);
- local->apdev->base_addr = dev->base_addr;
- local->apdev->irq = dev->irq;
- local->apdev->mem_start = dev->mem_start;
- local->apdev->mem_end = dev->mem_end;
-
- memcpy(local->wdev->dev_addr, dev->dev_addr, ETH_ALEN);
- local->wdev->base_addr = dev->base_addr;
- local->wdev->irq = dev->irq;
- local->wdev->mem_start = dev->mem_start;
- local->wdev->mem_end = dev->mem_end;
-
- if (!hw->modes || !hw->modes->channels || !hw->modes->rates ||
- !hw->modes->num_channels || !hw->modes->num_rates)
- return -1;
-
- ieee80211_precalc_rates(hw);
- local->conf.phymode = hw->modes[0].mode;
- local->curr_rates = hw->modes[0].rates;
- local->num_curr_rates = hw->modes[0].num_rates;
- ieee80211_prepare_rates(dev);
-
- local->conf.freq = local->hw->modes[0].channels[0].freq;
- local->conf.channel = local->hw->modes[0].channels[0].chan;
- local->conf.channel_val = local->hw->modes[0].channels[0].val;
- /* FIXME: Invoke config to allow driver to set the channel. */
-
- return 0;
-}
-
-void ieee80211_unregister_hw(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
- struct list_head *ptr, *n;
- int i;
-
- tasklet_disable(&local->tasklet);
- /* TODO: skb_queue should be empty here, no need to do anything? */
-
- if (local->rate_limit)
- del_timer_sync(&local->rate_limit_timer);
- if (local->stat_time)
- del_timer_sync(&local->stat_timer);
- if (local->scan_timer.data)
- del_timer_sync(&local->scan_timer);
- ieee80211_rx_bss_list_deinit(dev);
-
- list_for_each_safe(ptr, n, &local->sub_if_list) {
- struct ieee80211_sub_if_data *sdata =
- list_entry(ptr, struct ieee80211_sub_if_data, list);
- ieee80211_if_del(local, sdata, 0);
- }
-
- sta_info_stop(local);
-
- for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++)
- if (local->fragments[i].skb)
- dev_kfree_skb(local->fragments[i].skb);
-
- for (i = 0; i < NUM_IEEE80211_MODES; i++) {
- kfree(local->supp_rates[i]);
- kfree(local->basic_rates[i]);
- }
-
- kfree(local->conf.ssid);
- kfree(local->conf.generic_elem);
-
- ieee80211_proc_deinit_interface(local);
-
- skb_queue_purge(&local->skb_queue);
- skb_queue_purge(&local->skb_queue_unreliable);
-
- rate_control_free(local);
-}
-
-void ieee80211_free_hw(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
-
- kfree(local->sta_devs);
- kfree(local->bss_devs);
- kfree(dev);
-}
-
-/* Perform netif operations on all configured interfaces */
-int ieee80211_netif_oper(struct net_device *sdev, Netif_Oper op)
-{
- struct ieee80211_local *local = sdev->priv;
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(sdev);
- struct net_device *dev = sdata->master;
-
- switch (op) {
- case NETIF_ATTACH:
- netif_device_attach(dev);
- break;
- case NETIF_DETACH:
- netif_device_detach(dev);
- break;
- case NETIF_START:
- netif_start_queue(dev);
- break;
- case NETIF_STOP:
- break;
- case NETIF_WAKE:
- if (local->scan.in_scan == 0) {
- netif_wake_queue(dev);
-#if 1
- if (/* FIX: 802.11 qdisc in use */ 1)
- __netif_schedule(dev);
-#endif
- }
- break;
- case NETIF_IS_STOPPED:
- if (netif_queue_stopped(dev))
- return 1;
- break;
- case NETIF_UPDATE_TX_START:
- dev->trans_start = jiffies;
- break;
- }
-
- return 0;
-}
-
-
-void * ieee80211_dev_hw_data(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
- return local->hw_priv;
-}
-
-
-void * ieee80211_dev_stats(struct net_device *dev)
-{
- struct ieee80211_sub_if_data *sdata;
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- return &(sdata->stats);
-}
-
-
-int ieee80211_rate_control_register(struct rate_control_ops *ops)
-{
- struct rate_control_algs *alg;
-
- alg = kmalloc(sizeof(*alg), GFP_KERNEL);
- if (alg == NULL) {
- return -1;
- }
- memset(alg, 0, sizeof(*alg));
- alg->next = ieee80211_rate_ctrl_algs;
- alg->ops = ops;
- ieee80211_rate_ctrl_algs = alg;
-
- return 0;
-}
-
-
-void ieee80211_rate_control_unregister(struct rate_control_ops *ops)
-{
- struct rate_control_algs *alg, *prev;
-
- prev = NULL;
- alg = ieee80211_rate_ctrl_algs;
- while (alg) {
- if (alg->ops == ops) {
- if (prev)
- prev->next = alg->next;
- else
- ieee80211_rate_ctrl_algs = alg->next;
- kfree(alg);
- break;
- }
- prev = alg;
- alg = alg->next;
- }
-}
-
-
-static int rate_control_initialize(struct ieee80211_local *local)
-{
- struct rate_control_algs *algs;
- for (algs = ieee80211_rate_ctrl_algs; algs; algs = algs->next) {
- local->rate_ctrl = algs->ops;
- local->rate_ctrl_priv = rate_control_alloc(local);
- if (local->rate_ctrl_priv) {
- printk(KERN_DEBUG "%s: Selected rate control "
- "algorithm '%s'\n", local->wdev->name,
- local->rate_ctrl->name);
- return 0;
- }
- }
-
- printk(KERN_WARNING "%s: Failed to select rate control algorithm\n",
- local->wdev->name);
- return -1;
-}
-
-
-static int __init ieee80211_init(void)
-{
- struct sk_buff *skb;
- if (sizeof(struct ieee80211_tx_packet_data) > (sizeof(skb->cb))) {
- printk("80211: ieee80211_tx_packet_data is bigger "
- "than the skb->cb (%d > %d)\n",
- (int) sizeof(struct ieee80211_tx_packet_data),
- (int) sizeof(skb->cb));
- return -EINVAL;
- }
- if (sizeof(struct ieee80211_rx_status) > sizeof(skb->cb)) {
- printk("80211: ieee80211_rx_status is bigger "
- "than the skb->cb (%d > %d)\n",
- (int) sizeof(struct ieee80211_rx_status),
- (int) sizeof(skb->cb));
- return -EINVAL;
- }
-
- ieee80211_proc_init();
- {
- int ret = ieee80211_wme_register();
- if (ret) {
- printk(KERN_DEBUG "ieee80211_init: failed to "
- "initialize WME (err=%d)\n", ret);
- ieee80211_proc_deinit();
- return ret;
- }
- }
-
- return 0;
-}
-
-
-static void __exit ieee80211_exit(void)
-{
- ieee80211_wme_unregister();
- ieee80211_proc_deinit();
-}
-
-
-EXPORT_SYMBOL(ieee80211_alloc_hw);
-EXPORT_SYMBOL(ieee80211_register_hw);
-EXPORT_SYMBOL(ieee80211_update_hw);
-EXPORT_SYMBOL(ieee80211_unregister_hw);
-EXPORT_SYMBOL(ieee80211_free_hw);
-EXPORT_SYMBOL(ieee80211_rx);
-EXPORT_SYMBOL(ieee80211_tx_status);
-EXPORT_SYMBOL(ieee80211_beacon_get);
-EXPORT_SYMBOL(ieee80211_get_buffered_bc);
-EXPORT_SYMBOL(ieee80211_netif_oper);
-EXPORT_SYMBOL(ieee80211_dev_hw_data);
-EXPORT_SYMBOL(ieee80211_dev_stats);
-EXPORT_SYMBOL(ieee80211_get_hw_conf);
-EXPORT_SYMBOL(ieee80211_set_aid_for_sta);
-EXPORT_SYMBOL(ieee80211_rx_irqsafe);
-EXPORT_SYMBOL(ieee80211_tx_status_irqsafe);
-EXPORT_SYMBOL(ieee80211_get_hdrlen);
-EXPORT_SYMBOL(ieee80211_get_hdrlen_from_skb);
-EXPORT_SYMBOL(ieee80211_rate_control_register);
-EXPORT_SYMBOL(ieee80211_rate_control_unregister);
-EXPORT_SYMBOL(sta_info_get);
-EXPORT_SYMBOL(sta_info_release);
-EXPORT_SYMBOL(ieee80211_radar_status);
-
-module_init(ieee80211_init);
-module_exit(ieee80211_exit);
+++ /dev/null
-/*
- * Copyright 2002-2005, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef IEEE80211_I_H
-#define IEEE80211_I_H
-
-/* ieee80211.o internal definitions, etc. These are not included into
- * low-level drivers. */
-
-#ifndef ETH_P_PAE
-#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
-#endif /* ETH_P_PAE */
-
-#define IEEE80211_MAX_SSID_LEN 32
-
-struct ieee80211_local;
-
-#include "ieee80211_key.h"
-#include "sta_info.h"
-
-#define BIT(x) (1 << (x))
-
-#define IEEE80211_ALIGN32_PAD(a) ((4 - ((a) & 3)) & 3)
-
-
-/* Maximum number of broadcast/multicast frames to buffer when some of the
- * associated stations are using power saving. */
-#define AP_MAX_BC_BUFFER 128
-
-/* Maximum number of frames buffered to all STAs, including multicast frames.
- * Note: increasing this limit increases the potential memory requirement. Each
- * frame can be up to about 2 kB long. */
-#define TOTAL_MAX_TX_BUFFER 512
-
-
-#define MAC2STR(a) ((a)[0] & 0xff), ((a)[1] & 0xff), ((a)[2] & 0xff), \
- ((a)[3] & 0xff), ((a)[4] & 0xff), ((a)[5] & 0xff)
-#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
-
-#define MULTICAST_ADDR(a) ((a)[0] & 0x01)
-
-
-/* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent
- * reception of at least three fragmented frames. This limit can be increased
- * by changing this define, at the cost of slower frame reassembly and
- * increased memory use (about 2 kB of RAM per entry). */
-#define IEEE80211_FRAGMENT_MAX 4
-
-struct ieee80211_fragment_entry {
- unsigned long first_frag_time;
- unsigned int seq;
- unsigned int rx_queue;
- unsigned int last_frag;
- struct sk_buff *skb;
- int ccmp; /* Whether fragments were encrypted with CCMP */
- u8 last_pn[6]; /* PN of the last fragment if CCMP was used */
-};
-
-
-struct ieee80211_sta_bss {
- struct list_head list;
- struct ieee80211_sta_bss *hnext;
- atomic_t users;
-
- u8 bssid[ETH_ALEN];
- u8 ssid[IEEE80211_MAX_SSID_LEN];
- size_t ssid_len;
- u16 capability; /* host byte order */
- int hw_mode;
- int channel;
- int freq;
- int rssi;
- u8 *wpa_ie;
- size_t wpa_ie_len;
- u8 *rsn_ie;
- size_t rsn_ie_len;
- u8 *wmm_ie;
- size_t wmm_ie_len;
-#define IEEE80211_MAX_SUPP_RATES 32
- u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
- size_t supp_rates_len;
- int beacon_int;
- u64 timestamp;
-
- int probe_resp;
- unsigned long last_update;
-
-};
-
-
-typedef enum {
- TXRX_CONTINUE, TXRX_DROP, TXRX_QUEUED
-} ieee80211_txrx_result;
-
-struct ieee80211_txrx_data {
- struct sk_buff *skb;
- struct net_device *dev;
- struct ieee80211_local *local;
- struct ieee80211_sub_if_data *sdata;
- struct sta_info *sta;
- u16 fc, ethertype;
- struct ieee80211_key *key;
- unsigned int fragmented:1; /* whether the MSDU was fragmented */
- union {
- struct {
- struct ieee80211_tx_control *control;
- int unicast:1;
- int ps_buffered:1;
- int short_preamble:1;
- int probe_last_frag:1;
- struct ieee80211_rate *rate;
- /* use this rate (if set) for last fragment; rate can
- * be set to lower rate for the first fragments, e.g.,
- * when using CTS protection with IEEE 802.11g. */
- struct ieee80211_rate *last_frag_rate;
- int last_frag_rateidx;
- int mgmt_interface;
-
- /* Extra fragments (in addition to the first fragment
- * in skb) */
- int num_extra_frag;
- struct sk_buff **extra_frag;
- } tx;
- struct {
- struct ieee80211_rx_status *status;
- int sent_ps_buffered;
- int queue;
- } rx;
- } u;
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- int wpa_test;
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-};
-
-struct ieee80211_passive_scan {
- unsigned int in_scan:1; /* this must be cleared before calling
- * netif_oper(WAKEUP) */
- unsigned int our_mode_only:1; /* only scan our physical mode a/b/g/etc
- */
- int interval; /* time in seconds between scans */
- int time; /* time in microseconds to scan for */
- int channel; /* channel to be scanned */
- int tries;
-
- int mode_idx;
- int chan_idx;
-
- int freq;
- int rx_packets;
- int rx_beacon;
- int txrx_count;
-
- struct timer_list timer;
-
- struct sk_buff *skb; /* skb to transmit before changing channels,
- * maybe null for none */
- struct ieee80211_tx_control tx_control;
-
- unsigned int num_scans;
-};
-
-typedef ieee80211_txrx_result (*ieee80211_tx_handler)
-(struct ieee80211_txrx_data *tx);
-
-typedef ieee80211_txrx_result (*ieee80211_rx_handler)
-(struct ieee80211_txrx_data *rx);
-
-struct ieee80211_if_norm {
- u8 *beacon_head, *beacon_tail;
- int beacon_head_len, beacon_tail_len;
-
- /* TODO: sta_aid could be replaced by 2008-bit large bitfield of
- * that could be used in TIM element generation. This would also
- * make TIM element generation a bit faster. */
- /* AID mapping to station data. NULL, if AID is free. AID is in the
- * range 1..2007 and sta_aid[i] corresponds to AID i+1. */
- struct sta_info *sta_aid[MAX_AID_TABLE_SIZE];
- int max_aid; /* largest aid currently in use */
- atomic_t num_sta_ps; /* number of stations in PS mode */
- struct sk_buff_head ps_bc_buf;
- int dtim_period, dtim_count;
- int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
- int max_ratectrl_rateidx; /* max TX rateidx for rate control */
- int num_beacons; /* number of TXed beacon frames for this BSS */
-};
-
-struct ieee80211_if_wds {
- u8 remote_addr[ETH_ALEN];
- struct sta_info *sta;
-};
-
-struct ieee80211_if_vlan {
- u8 id;
-};
-
-struct ieee80211_if_sta {
- enum {
- IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
- IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
- IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED
- } state;
- struct timer_list timer;
- u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
- u8 ssid[IEEE80211_MAX_SSID_LEN];
- size_t ssid_len;
- u16 aid;
- u16 ap_capab, capab;
- u8 *extra_ie; /* to be added to the end of AssocReq */
- size_t extra_ie_len;
-
- /* The last AssocReq/Resp IEs */
- u8 *assocreq_ies, *assocresp_ies;
- size_t assocreq_ies_len, assocresp_ies_len;
-
- int auth_tries, assoc_tries;
-
- int ssid_set:1;
- int bssid_set:1;
- int prev_bssid_set:1;
- int authenticated:1;
- int associated:1;
- int probereq_poll:1;
- int use_protection:1;
- int create_ibss:1;
- int mixed_cell:1;
- int wmm_enabled:1;
-
- int key_mgmt;
- unsigned long last_probe;
-
-#define IEEE80211_AUTH_ALG_OPEN BIT(0)
-#define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
-#define IEEE80211_AUTH_ALG_LEAP BIT(2)
- unsigned int auth_algs; /* bitfield of allowed auth algs */
- int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
- int auth_transaction;
-
- unsigned long ibss_join_req;
- struct sk_buff *probe_resp; /* ProbeResp template for IBSS */
- u32 supp_rates_bits;
-
- int wmm_last_param_set;
-};
-
-
-#define IEEE80211_SUB_IF_TYPE_NORM 0x00000000
-#define IEEE80211_SUB_IF_TYPE_MGMT 0x00000001
-#define IEEE80211_SUB_IF_TYPE_STA 0x00000002
-#define IEEE80211_SUB_IF_TYPE_WDS 0x5A580211
-#define IEEE80211_SUB_IF_TYPE_VLAN 0x00080211
-
-struct ieee80211_sub_if_data {
- struct list_head list;
- unsigned int type;
-
- struct net_device *dev;
- struct net_device *master;
- struct ieee80211_local *local;
-
- struct net_device_stats stats;
- int drop_unencrypted;
- int eapol; /* 0 = process EAPOL frames as normal data frames,
- * 1 = send EAPOL frames through wlan#ap to hostapd
- * (default) */
- int ieee802_1x; /* IEEE 802.1X PAE - drop packet to/from unauthorized
- * port */
-
-#define NUM_DEFAULT_KEYS 4
- struct ieee80211_key *keys[NUM_DEFAULT_KEYS];
- struct ieee80211_key *default_key;
-
- struct ieee80211_if_norm *bss; /* BSS that this device belongs to */
-
- union {
- struct ieee80211_if_norm norm;
- struct ieee80211_if_wds wds;
- struct ieee80211_if_vlan vlan;
- struct ieee80211_if_sta sta;
- } u;
- int channel_use;
- int channel_use_raw;
-};
-
-#define IEEE80211_DEV_TO_SUB_IF(dev) ((struct ieee80211_sub_if_data *) \
- (((long)dev + sizeof(struct net_device) + 3) & ~3))
-
-
-struct ieee80211_local {
- struct ieee80211_hw *hw;
- void *hw_priv;
- struct net_device *mdev; /* wlan#.11 - "master" 802.11 device */
- struct net_device *wdev; /* wlan# - default Ethernet (data) devide */
- struct net_device *apdev; /* wlan#ap - management frames (hostapd) */
- int open_count;
- struct ieee80211_conf conf;
-
- /* Tasklet and skb queue to process calls from IRQ mode. All frames
- * added to skb_queue will be processed, but frames in
- * skb_queue_unreliable may be dropped if the total length of these
- * queues increases over the limit. */
-#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
- struct tasklet_struct tasklet;
- struct sk_buff_head skb_queue;
- struct sk_buff_head skb_queue_unreliable;
- enum {
- ieee80211_rx_msg = 1,
- ieee80211_tx_status_msg = 2
- } ieee80211_msg_enum;
-
- spinlock_t generic_lock;
- /* Station data structures */
- spinlock_t sta_lock; /* mutex for STA data structures */
- int num_sta; /* number of stations in sta_list */
- struct list_head sta_list;
- struct sta_info *sta_hash[STA_HASH_SIZE];
- struct timer_list sta_cleanup;
-
- /* Current rate table. This is a pointer to hw->modes structure. */
- struct ieee80211_rate *curr_rates;
- int num_curr_rates;
-
- void *rate_ctrl_priv;
- struct rate_control_ops *rate_ctrl;
-
- int next_mode; /* MODE_IEEE80211*
- * The mode preference for next channel change. This is
- * used to select .11g vs. .11b channels (or 4.9 GHz vs.
- * .11a) when the channel number is not unique. */
-
- /* Supported and basic rate filters for different modes. These are
- * pointers to -1 terminated lists and rates in 100 kbps units. */
- int *supp_rates[NUM_IEEE80211_MODES];
- int *basic_rates[NUM_IEEE80211_MODES];
-
- int rts_threshold;
- int cts_protect_erp_frames;
- int fragmentation_threshold;
- int short_retry_limit; /* dot11ShortRetryLimit */
- int long_retry_limit; /* dot11LongRetryLimit */
- int short_preamble; /* use short preamble with IEEE 802.11b */
-
- u32 wep_iv;
- int key_tx_rx_threshold; /* number of times any key can be used in TX
- * or RX before generating a rekey
- * notification; 0 = notification disabled. */
-
- /* Fragment table for host-based reassembly */
- struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX];
- unsigned int fragment_next;
-
- int bridge_packets; /* bridge packets between associated stations and
- * deliver multicast frames both back to wireless
- * media and to the local net stack */
-
- struct ieee80211_passive_scan scan;
-
-
- ieee80211_rx_handler *rx_handlers;
- ieee80211_tx_handler *tx_handlers;
-
- spinlock_t sub_if_lock; /* mutex for STA data structures */
- struct list_head sub_if_list;
- struct net_device **bss_devs; /* pointer to IF_TYPE_NORM devices for
- * quick access to BSS data */
- int bss_dev_count; /* number of used entries in bss_devs; note: the
- * total size of bss_devs array is stored in
- * conf.bss_count */
- struct net_device **sta_devs; /* pointer to IF_TYPE_STA devices */
- int sta_dev_count; /* number of used entries in sta_devs */
- int sta_scanning;
- int scan_hw_mode_idx;
- int scan_channel_idx;
- enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
- unsigned long last_scan_completed;
- struct timer_list scan_timer;
- int scan_oper_channel;
- int scan_oper_channel_val;
- int scan_oper_power_level;
- int scan_oper_freq;
- int scan_oper_phymode;
- int scan_oper_antenna_max;
- u8 scan_ssid[IEEE80211_MAX_SSID_LEN];
- size_t scan_ssid_len;
- int scan_skip_11b;
- struct list_head sta_bss_list;
- struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];
- spinlock_t sta_bss_lock;
-#define IEEE80211_SCAN_MATCH_SSID BIT(0)
-#define IEEE80211_SCAN_WPA_ONLY BIT(1)
-#define IEEE80211_SCAN_EXTRA_INFO BIT(2)
- int scan_flags;
-
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- u32 wpa_trigger;
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
- /* SNMP counters */
- /* dot11CountersTable */
- u32 dot11TransmittedFragmentCount;
- u32 dot11MulticastTransmittedFrameCount;
- u32 dot11FailedCount;
- u32 dot11RetryCount;
- u32 dot11MultipleRetryCount;
- u32 dot11FrameDuplicateCount;
- u32 dot11ReceivedFragmentCount;
- u32 dot11MulticastReceivedFrameCount;
- u32 dot11TransmittedFrameCount;
- u32 dot11WEPUndecryptableCount;
-
- int tx_led_counter;
-
- u32 channel_use;
- u32 channel_use_raw;
- u32 stat_time;
- struct timer_list stat_timer;
-
- u8 bssid[ETH_ALEN]; /* BSSID for STA modes (Adhoc/Managed) */
- struct timer_list rate_limit_timer;
- u32 rate_limit;
- u32 rate_limit_burst;
- u32 rate_limit_bucket;
- struct proc_dir_entry *proc, *proc_sta, *proc_iface;
-
- struct work_struct sta_proc_add;
-
- enum {
- STA_ANTENNA_SEL_AUTO = 0,
- STA_ANTENNA_SEL_SW_CTRL = 1,
- STA_ANTENNA_SEL_SW_CTRL_DEBUG = 2
- } sta_antenna_sel;
-
- int rate_ctrl_num_up, rate_ctrl_num_down;
-
-#ifdef CONFIG_IEEE80211_DEBUG_COUNTERS
- /* TX/RX handler statistics */
- unsigned int tx_handlers_drop;
- unsigned int tx_handlers_queued;
- unsigned int tx_handlers_drop_unencrypted;
- unsigned int tx_handlers_drop_fragment;
- unsigned int tx_handlers_drop_wep;
- unsigned int tx_handlers_drop_rate_limit;
- unsigned int tx_handlers_drop_not_assoc;
- unsigned int tx_handlers_drop_unauth_port;
- unsigned int rx_handlers_drop;
- unsigned int rx_handlers_queued;
- unsigned int rx_handlers_drop_nullfunc;
- unsigned int rx_handlers_drop_defrag;
- unsigned int rx_handlers_drop_short;
- unsigned int rx_handlers_drop_passive_scan;
- unsigned int tx_expand_skb_head;
- unsigned int tx_expand_skb_head_cloned;
- unsigned int rx_expand_skb_head;
- unsigned int rx_expand_skb_head2;
- unsigned int rx_handlers_fragments;
- unsigned int tx_status_drop;
- unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES];
- unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES];
-#define I802_DEBUG_INC(c) (c)++
-#else /* CONFIG_IEEE80211_DEBUG_COUNTERS */
-#define I802_DEBUG_INC(c) do { } while (0)
-#endif /* CONFIG_IEEE80211_DEBUG_COUNTERS */
-
-
- int default_wep_only; /* only default WEP keys are used with this
- * interface; this is used to decide when hwaccel
- * can be used with default keys */
- int total_ps_buffered; /* total number of all buffered unicast and
- * multicast packets for power saving stations
- */
- int allow_broadcast_always; /* whether to allow TX of broadcast frames
- * even when there are no associated STAs
- */
-
- int wifi_wme_noack_test;
- unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */
-
- unsigned int hw_modes; /* bitfield of allowed hardware modes;
- * (1 << MODE_*) */
-};
-
-
-/* ieee80211.c */
-int ieee80211_hw_config(struct net_device *dev);
-struct ieee80211_key_conf *
-ieee80211_key_data2conf(struct ieee80211_local *local,
- struct ieee80211_key *data);
-void ieee80211_rx_mgmt(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_rx_status *status, u32 msg_type);
-void ieee80211_prepare_rates(struct net_device *dev);
-void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx);
-int ieee80211_if_add_wds(struct net_device *dev,
- char *name,
- struct ieee80211_if_wds *wds, int locked);
-int ieee80211_if_add_vlan(struct net_device *dev, char *name,
- struct ieee80211_if_vlan *vlan, int locked);
-int ieee80211_if_add_norm(struct net_device *dev, char *name, u8 *bssid,
- int locked);
-
-int ieee80211_if_remove_wds(struct net_device *dev, char *name, int locked);
-int ieee80211_if_remove_vlan(struct net_device *dev, char *name, int locked);
-int ieee80211_if_remove_norm(struct net_device *dev, char *name, int locked);
-int ieee80211_if_flush(struct net_device *dev, int locked);
-int ieee80211_if_update_wds(struct net_device *dev, char *name,
- struct ieee80211_if_wds *wds, int locked);
-
-/* ieee80211_ioctl.c */
-int ieee80211_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-/* Set hw encryption from ieee80211 */
-int ieee80211_set_hw_encryption(struct net_device *dev,
- struct sta_info *sta, u8 addr[ETH_ALEN],
- struct ieee80211_key *key);
-
-/* ieee80211_scan.c */
-void ieee80211_init_scan(struct net_device *dev);
-void ieee80211_stop_scan(struct net_device *dev);
-
-
-
-/* Least common multiple of the used rates (in 100 kbps). This is used to
- * calculate rate_inv values for each rate so that only integers are needed. */
-#define CHAN_UTIL_RATE_LCM 95040
-/* 1 usec is 1/8 * (95040/10) = 1188 */
-#define CHAN_UTIL_PER_USEC 1188
-/* Amount of bits to shift the result right to scale the total utilization
- * to values that will not wrap around 32-bit integers. */
-#define CHAN_UTIL_SHIFT 9
-/* Theoretical maximum of channel utilization counter in 10 ms (stat_time=1):
- * (CHAN_UTIL_PER_USEC * 10000) >> CHAN_UTIL_SHIFT = 23203. So dividing the
- * raw value with about 23 should give utilization in 10th of a percentage
- * (1/1000). However, utilization is only estimated and not all intervals
- * between frames etc. are calculated. 18 seems to give numbers that are closer
- * to the real maximum. */
-#define CHAN_UTIL_PER_10MS 18
-#define CHAN_UTIL_HDR_LONG (202 * CHAN_UTIL_PER_USEC)
-#define CHAN_UTIL_HDR_SHORT (40 * CHAN_UTIL_PER_USEC)
-
-
-
-/* ieee80211.c */
-int ieee80211_if_add_sta(struct net_device *dev, char *name, int locked);
-int ieee80211_if_remove_sta(struct net_device *dev, char *name, int locked);
-/* ieee80211_ioctl.c */
-int ieee80211_set_compression(struct ieee80211_local *local,
- struct net_device *dev, struct sta_info *sta);
-/* ieee80211_sta.c */
-void ieee80211_sta_timer(unsigned long ptr);
-void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status);
-int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len);
-int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len);
-int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid);
-int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len);
-int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len);
-void ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status);
-void ieee80211_rx_bss_list_init(struct net_device *dev);
-void ieee80211_rx_bss_list_deinit(struct net_device *dev);
-int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len);
-struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev,
- struct sk_buff *skb, u8 *bssid,
- u8 *addr);
-int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason);
-int ieee80211_sta_disassociate(struct net_device *dev, u16 reason);
-
-
-#endif /* IEEE80211_I_H */
+++ /dev/null
-/*
- * Copyright 2002-2005, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/skbuff.h>
-#include <linux/if_arp.h>
-#include <linux/wireless.h>
-#include <net/iw_handler.h>
-#include <asm/uaccess.h>
-
-#include <net/ieee80211.h>
-#include <net/ieee80211_mgmt.h>
-#include "ieee80211_i.h"
-#include "hostapd_ioctl.h"
-#include "rate_control.h"
-#include "wpa.h"
-#include "aes_ccm.h"
-
-
-static int ieee80211_regdom = 0x10; /* FCC */
-MODULE_PARM(ieee80211_regdom, "i");
-MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain; 64=MKK");
-
-/*
- * If firmware is upgraded by the vendor, additional channels can be used based
- * on the new Japanese regulatory rules. This is indicated by setting
- * ieee80211_japan_5ghz module parameter to one when loading the 80211 kernel
- * module.
- */
-static int ieee80211_japan_5ghz /* = 0 */;
-MODULE_PARM(ieee80211_japan_5ghz, "i");
-MODULE_PARM_DESC(ieee80211_japan_5ghz, "Vendor-updated firmware for 5 GHz");
-
-
-static int ieee80211_ioctl_set_beacon(struct net_device *dev,
- struct prism2_hostapd_param *param,
- int param_len,
- int flag)
-{
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_if_norm *norm;
- u8 **b_head, **b_tail;
- int *b_head_len, *b_tail_len;
- int len;
-
- len = ((char *) param->u.beacon.data - (char *) param) +
- param->u.beacon.head_len + param->u.beacon.tail_len;
-
- if (param_len > len)
- param_len = len;
- else if (param_len != len)
- return -EINVAL;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM)
- return -EINVAL;
- norm = &sdata->u.norm;
-
- switch (flag) {
- case 0:
- b_head = &norm->beacon_head;
- b_tail = &norm->beacon_tail;
- b_head_len = &norm->beacon_head_len;
- b_tail_len = &norm->beacon_tail_len;
- break;
- default:
- printk(KERN_DEBUG "%s: unknown beacon flag %d\n",
- dev->name, flag);
- return -EINVAL;
- }
-
- kfree(*b_head);
- kfree(*b_tail);
- *b_head = NULL;
- *b_tail = NULL;
-
- *b_head_len = param->u.beacon.head_len;
- *b_tail_len = param->u.beacon.tail_len;
-
- *b_head = kmalloc(*b_head_len, GFP_KERNEL);
- if (*b_head)
- memcpy(*b_head, param->u.beacon.data, *b_head_len);
- else {
- printk(KERN_DEBUG "%s: failed to allocate beacon_head\n",
- dev->name);
- return -ENOMEM;
- }
-
- if (*b_tail_len > 0) {
- *b_tail = kmalloc(*b_tail_len, GFP_KERNEL);
- if (*b_tail)
- memcpy(*b_tail, param->u.beacon.data + (*b_head_len),
- (*b_tail_len));
- else {
- printk(KERN_DEBUG "%s: failed to allocate "
- "beacon_tail\n", dev->name);
- return -ENOMEM;
- }
- }
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_get_hw_features(struct net_device *dev,
- struct prism2_hostapd_param *param,
- int param_len)
-{
- struct ieee80211_local *local = dev->priv;
- u8 *pos = param->u.hw_features.data;
- int left = param_len - (pos - (u8 *) param);
- int mode, i;
- struct hostapd_ioctl_hw_modes_hdr *hdr;
- struct ieee80211_rate_data *rate;
- struct ieee80211_channel_data *chan;
-
- param->u.hw_features.flags = 0;
- if (local->hw->data_nullfunc_ack)
- param->u.hw_features.flags |= HOSTAP_HW_FLAG_NULLFUNC_OK;
-
- param->u.hw_features.num_modes = local->hw->num_modes;
- for (mode = 0; mode < local->hw->num_modes; mode++) {
- int clen, rlen;
- struct ieee80211_hw_modes *m = &local->hw->modes[mode];
- clen = m->num_channels * sizeof(struct ieee80211_channel_data);
- rlen = m->num_rates * sizeof(struct ieee80211_rate_data);
- if (left < sizeof(*hdr) + clen + rlen)
- return -E2BIG;
- left -= sizeof(*hdr) + clen + rlen;
-
- hdr = (struct hostapd_ioctl_hw_modes_hdr *) pos;
- hdr->mode = m->mode;
- hdr->num_channels = m->num_channels;
- hdr->num_rates = m->num_rates;
-
- pos = (u8 *) (hdr + 1);
- chan = (struct ieee80211_channel_data *) pos;
- for (i = 0; i < m->num_channels; i++) {
- chan[i].chan = m->channels[i].chan;
- chan[i].freq = m->channels[i].freq;
- chan[i].flag = m->channels[i].flag;
- }
- pos += clen;
-
- rate = (struct ieee80211_rate_data *) pos;
- for (i = 0; i < m->num_rates; i++) {
- rate[i].rate = m->rates[i].rate;
- rate[i].flags = m->rates[i].flags;
- }
- pos += rlen;
- }
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_scan(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_local *local = dev->priv;
-
- if (local->hw->passive_scan == NULL)
- return -EOPNOTSUPP;
-
- if ((param->u.scan.now == 1) && (local->scan.in_scan == 1))
- return -EBUSY;
-
- if (param->u.scan.our_mode_only >= 0)
- local->scan.our_mode_only = param->u.scan.our_mode_only;
- if (param->u.scan.interval >= 0)
- local->scan.interval = param->u.scan.interval;
- if (param->u.scan.listen >= 0)
- local->scan.time = param->u.scan.listen;
- if (param->u.scan.channel > 0)
- local->scan.channel = param->u.scan.channel;
- if (param->u.scan.now == 1) {
- local->scan.in_scan = 0;
- mod_timer(&local->scan.timer, jiffies);
- }
-
- param->u.scan.our_mode_only = local->scan.our_mode_only;
- param->u.scan.interval = local->scan.interval;
- param->u.scan.listen = local->scan.time;
- if (local->scan.in_scan == 1)
- param->u.scan.last_rx = -1;
- else {
- param->u.scan.last_rx = local->scan.rx_packets;
- local->scan.rx_packets = -1;
- }
- param->u.scan.channel = local->hw->modes[local->scan.mode_idx].
- channels[local->scan.chan_idx].chan;
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_flush(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_local *local = dev->priv;
- sta_info_flush(local, NULL);
- return 0;
-}
-
-
-
-
-static int ieee80211_ioctl_add_sta(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_local *local = dev->priv;
- struct sta_info *sta;
- u32 rates;
- int i, j;
- struct ieee80211_sub_if_data *sdata;
- int add_key_entry = 1;
-
- sta = sta_info_get(local, param->sta_addr);
-
- if (sta == NULL) {
- sta = sta_info_add(local, dev, param->sta_addr);
- if (sta == NULL)
- return -ENOMEM;
- }
-
- if (sta->dev != dev) {
- /* Binding STA to a new interface, so remove all references to
- * the old BSS. */
- sta_info_remove_aid_ptr(sta);
- }
-
- /* TODO
- * We "steal" the device in case someone owns it
- * This will hurt WDS links and such when we have a
- * WDS link and a client associating from the same station
- */
- sta->dev = dev;
- sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
-
- sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
- sta->aid = param->u.add_sta.aid;
- if (sta->aid > MAX_AID_TABLE_SIZE)
- sta->aid = 0;
- if (sta->aid > 0 && sdata->bss)
- sdata->bss->sta_aid[sta->aid - 1] = sta;
- if (sdata->bss && sta->aid > sdata->bss->max_aid)
- sdata->bss->max_aid = sta->aid;
-
- rates = 0;
- for (i = 0; i < sizeof(param->u.add_sta.supp_rates); i++) {
- int rate = (param->u.add_sta.supp_rates[i] & 0x7f) * 5;
- if (local->conf.phymode == MODE_ATHEROS_TURBO ||
- local->conf.phymode == MODE_ATHEROS_TURBOG)
- rate *= 2;
- for (j = 0; j < local->num_curr_rates; j++) {
- if (local->curr_rates[j].rate == rate)
- rates |= BIT(j);
- }
-
- }
- sta->supp_rates = rates;
-
- rate_control_rate_init(local, sta);
-
-
-
- if (param->u.add_sta.wds_flags & 0x01)
- sta->flags |= WLAN_STA_WDS;
- else
- sta->flags &= ~WLAN_STA_WDS;
-
- if (add_key_entry && sta->key == NULL && sdata->default_key == NULL &&
- local->hw->set_key) {
- struct ieee80211_key_conf conf;
- /* Add key cache entry with NULL key type because this may used
- * for TX filtering. */
- memset(&conf, 0, sizeof(conf));
- conf.hw_key_idx = HW_KEY_IDX_INVALID;
- conf.alg = ALG_NULL;
- conf.force_sw_encrypt = 1;
- if (local->hw->set_key(dev, SET_KEY, sta->addr, &conf,
- sta->aid)) {
- sta->key_idx_compression = HW_KEY_IDX_INVALID;
- } else {
- sta->key_idx_compression = conf.hw_key_idx;
- }
- }
-
- sta_info_release(local, sta);
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_remove_sta(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_local *local = dev->priv;
- struct sta_info *sta;
-
- sta = sta_info_get(local, param->sta_addr);
- if (sta) {
- sta_info_release(local, sta);
- sta_info_free(local, sta, 1);
- }
-
- return sta ? 0 : -ENOENT;
-}
-
-
-static int ieee80211_ioctl_get_dot11counterstable(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_low_level_stats stats;
-
- memset(&stats, 0, sizeof(stats));
- if (local->hw->get_stats)
- local->hw->get_stats(dev, &stats);
- param->u.dot11CountersTable.dot11TransmittedFragmentCount =
- local->dot11TransmittedFragmentCount;
- param->u.dot11CountersTable.dot11MulticastTransmittedFrameCount =
- local->dot11MulticastTransmittedFrameCount;
- param->u.dot11CountersTable.dot11ReceivedFragmentCount =
- local->dot11ReceivedFragmentCount;
- param->u.dot11CountersTable.dot11MulticastReceivedFrameCount =
- local->dot11MulticastReceivedFrameCount;
- param->u.dot11CountersTable.dot11TransmittedFrameCount =
- local->dot11TransmittedFrameCount;
- param->u.dot11CountersTable.dot11FCSErrorCount =
- stats.dot11FCSErrorCount;
- param->u.dot11CountersTable.dot11ACKFailureCount =
- stats.dot11ACKFailureCount;
- param->u.dot11CountersTable.dot11RTSFailureCount =
- stats.dot11RTSFailureCount;
- param->u.dot11CountersTable.dot11RTSSuccessCount =
- stats.dot11RTSSuccessCount;
-
- return 0;
-}
-
-static int ieee80211_ioctl_get_info_sta(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_local *local = dev->priv;
- struct sta_info *sta;
-
- if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
- param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
- param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
- struct ieee80211_sub_if_data *sdata;
- struct net_device_stats *stats;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- stats = ieee80211_dev_stats(sdata->master);
- param->u.get_info_sta.rx_bytes = stats->rx_bytes;
- param->u.get_info_sta.tx_bytes = stats->tx_bytes;
- /* go through all STAs and get STA with lowest max. rate */
- param->u.get_info_sta.current_tx_rate =
- local->curr_rates[sta_info_min_txrate_get(local)].rate;
- return 0;
- }
-
- sta = sta_info_get(local, param->sta_addr);
-
- if (!sta)
- return -ENOENT;
-
- param->u.get_info_sta.inactive_msec =
- jiffies_to_msecs(jiffies - sta->last_rx);
- param->u.get_info_sta.rx_packets = sta->rx_packets;
- param->u.get_info_sta.tx_packets = sta->tx_packets;
- param->u.get_info_sta.rx_bytes = sta->rx_bytes;
- param->u.get_info_sta.tx_bytes = sta->tx_bytes;
- param->u.get_info_sta.channel_use = sta->channel_use;
- param->u.get_info_sta.flags = sta->flags;
- if (sta->txrate >= 0 && sta->txrate < local->num_curr_rates)
- param->u.get_info_sta.current_tx_rate =
- local->curr_rates[sta->txrate].rate;
- param->u.get_info_sta.num_ps_buf_frames =
- skb_queue_len(&sta->ps_tx_buf);
- param->u.get_info_sta.tx_retry_failed = sta->tx_retry_failed;
- param->u.get_info_sta.tx_retry_count = sta->tx_retry_count;
- param->u.get_info_sta.last_rssi = sta->last_rssi;
- param->u.get_info_sta.last_ack_rssi = sta->last_ack_rssi[2];
-
- sta_info_release(local, sta);
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_set_flags_sta(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_local *local = dev->priv;
- struct sta_info *sta;
-
- sta = sta_info_get(local, param->sta_addr);
- if (sta) {
- sta->flags |= param->u.set_flags_sta.flags_or;
- sta->flags &= param->u.set_flags_sta.flags_and;
- if (local->hw->set_port_auth &&
- (param->u.set_flags_sta.flags_or & WLAN_STA_AUTHORIZED) &&
- local->hw->set_port_auth(local->mdev, sta->addr, 1))
- printk(KERN_DEBUG "%s: failed to set low-level driver "
- "PAE state (authorized) for " MACSTR "\n",
- dev->name, MAC2STR(sta->addr));
- if (local->hw->set_port_auth &&
- !(param->u.set_flags_sta.flags_and & WLAN_STA_AUTHORIZED)
- && local->hw->set_port_auth(local->mdev, sta->addr, 0))
- printk(KERN_DEBUG "%s: failed to set low-level driver "
- "PAE state (unauthorized) for " MACSTR "\n",
- dev->name, MAC2STR(sta->addr));
- sta_info_release(local, sta);
- }
-
- return sta ? 0 : -ENOENT;
-}
-
-
-int ieee80211_set_hw_encryption(struct net_device *dev,
- struct sta_info *sta, u8 addr[ETH_ALEN],
- struct ieee80211_key *key)
-{
- struct ieee80211_key_conf *keyconf = NULL;
- struct ieee80211_local *local = dev->priv;
- int rc = 0;
-
- /* default to sw encryption; this will be cleared by low-level
- * driver if the hw supports requested encryption */
- if (key)
- key->force_sw_encrypt = 1;
-
- if (key && local->hw->set_key &&
- (!local->conf.sw_encrypt || !local->conf.sw_decrypt) &&
- (keyconf = ieee80211_key_data2conf(local, key)) != NULL) {
- if (local->hw->set_key(dev, SET_KEY, addr,
- keyconf, sta ? sta->aid : 0)) {
- rc = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
- key->force_sw_encrypt = 1;
- key->hw_key_idx = HW_KEY_IDX_INVALID;
- } else {
- key->force_sw_encrypt =
- keyconf->force_sw_encrypt;
- key->hw_key_idx =
- keyconf->hw_key_idx;
-
- }
- }
- kfree(keyconf);
-
- return rc;
-}
-
-
-static int ieee80211_ioctl_set_encryption(struct net_device *dev,
- struct prism2_hostapd_param *param,
- int param_len)
-{
- struct ieee80211_local *local = dev->priv;
- int alg, ret = 0;
- struct sta_info *sta;
- struct ieee80211_key **key;
- int set_tx_key = 0, try_hwaccel = 1;
- struct ieee80211_key_conf *keyconf;
- struct ieee80211_sub_if_data *sdata;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- param->u.crypt.err = 0;
- param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
-
- if (param_len <
- (int) ((char *) param->u.crypt.key - (char *) param) +
- param->u.crypt.key_len) {
- printk(KERN_DEBUG "%s: set_encrypt - invalid param_lem\n",
- dev->name);
- return -EINVAL;
- }
-
- if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
- param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
- param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
- sta = NULL;
- if (param->u.crypt.idx >= NUM_DEFAULT_KEYS) {
- printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
- dev->name, param->u.crypt.idx);
- return -EINVAL;
- }
- key = &sdata->keys[param->u.crypt.idx];
- if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY)
- set_tx_key = 1;
-
- /* Disable hwaccel for default keys when the interface is not
- * the default one.
- * TODO: consider adding hwaccel support for these; at least
- * Atheros key cache should be able to handle this since AP is
- * only transmitting frames with default keys. */
- /* FIX: hw key cache can be used when only one virtual
- * STA is associated with each AP. If more than one STA
- * is associated to the same AP, software encryption
- * must be used. This should be done automatically
- * based on configured station devices. For the time
- * being, this can be only set at compile time. */
- if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
- if (0 /* FIX: more than one STA per AP */)
- try_hwaccel = 0;
- } else
- if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM ||
- dev != local->wdev)
- try_hwaccel = 0;
- } else {
- if (param->u.crypt.idx != 0) {
- printk(KERN_DEBUG "%s: set_encrypt - non-zero idx for "
- "individual key\n", dev->name);
- return -EINVAL;
- }
-
- sta = sta_info_get(local, param->sta_addr);
- if (sta == NULL) {
- param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: set_encrypt - unknown addr "
- MACSTR "\n",
- dev->name, MAC2STR(param->sta_addr));
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
-
- return -ENOENT;
- }
-
- key = &sta->key;
- }
-
- if (strcmp(param->u.crypt.alg, "none") == 0) {
- alg = ALG_NONE;
- } else if (strcmp(param->u.crypt.alg, "WEP") == 0) {
- alg = ALG_WEP;
- } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
- if (param->u.crypt.key_len != ALG_TKIP_KEY_LEN) {
- printk(KERN_DEBUG "%s: set_encrypt - invalid TKIP key "
- "length %d\n", dev->name,
- param->u.crypt.key_len);
- ret = -EINVAL;
- goto done;
- }
- alg = ALG_TKIP;
- } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
- if (param->u.crypt.key_len != ALG_CCMP_KEY_LEN) {
- printk(KERN_DEBUG "%s: set_encrypt - invalid CCMP key "
- "length %d\n", dev->name,
- param->u.crypt.key_len);
- ret = -EINVAL;
- goto done;
- }
- alg = ALG_CCMP;
- } else {
- param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
- printk(KERN_DEBUG "%s: set_encrypt - unknown alg\n",
- dev->name);
- ret = -EINVAL;
- goto done;
- }
-
- /* FIX:
- * Cannot configure default hwaccel keys with WEP algorithm, if
- * any of the virtual interfaces is using static WEP
- * configuration because hwaccel would otherwise try to decrypt
- * these frames.
- *
- * For now, just disable WEP hwaccel for broadcast when there is
- * possibility of conflict with default keys. This can maybe later be
- * optimized by using non-default keys (at least with Atheros ar521x).
- */
- if (!sta && alg == ALG_WEP && !local->default_wep_only &&
- local->conf.mode != IW_MODE_ADHOC &&
- local->conf.mode != IW_MODE_INFRA) {
- try_hwaccel = 0;
- }
-
- if (local->hw->device_hides_wep) {
- /* Software encryption cannot be used with devices that hide
- * encryption from the host system, so always try to use
- * hardware acceleration with such devices. */
- try_hwaccel = 1;
- }
-
- if (local->hw->no_tkip_wmm_hwaccel && alg == ALG_TKIP) {
- if (sta && (sta->flags & WLAN_STA_WME)) {
- /* Hardware does not support hwaccel with TKIP when using WMM.
- */
- try_hwaccel = 0;
- }
- else if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
- sta = sta_info_get(local, sdata->u.sta.bssid);
- if (sta) {
- if (sta->flags & WLAN_STA_WME) {
- try_hwaccel = 0;
- }
- sta_info_release(local, sta);
- sta = NULL;
- }
- }
- }
-
-
- if (alg == ALG_NONE) {
- keyconf = NULL;
- if (try_hwaccel && *key && local->hw->set_key &&
- (keyconf = ieee80211_key_data2conf(local, *key)) != NULL &&
- local->hw->set_key(dev, DISABLE_KEY, param->sta_addr,
- keyconf, sta ? sta->aid : 0)) {
- param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
- printk(KERN_DEBUG "%s: set_encrypt - low-level disable"
- " failed\n", dev->name);
- ret = -EINVAL;
- }
- kfree(keyconf);
-
- if (sdata->default_key == *key)
- sdata->default_key = NULL;
- kfree(*key);
- *key = NULL;
- } else {
- if (*key == NULL || (*key)->keylen < param->u.crypt.key_len) {
- kfree(*key);
- *key = kmalloc(sizeof(struct ieee80211_key) +
- param->u.crypt.key_len, GFP_ATOMIC);
- if (*key == NULL) {
- ret = -ENOMEM;
- goto done;
- }
- }
- memset(*key, 0, sizeof(struct ieee80211_key) +
- param->u.crypt.key_len);
- /* default to sw encryption; low-level driver sets these if the
- * requested encryption is supported */
- (*key)->hw_key_idx = HW_KEY_IDX_INVALID;
- (*key)->force_sw_encrypt = 1;
-
- (*key)->alg = alg;
- (*key)->keyidx = param->u.crypt.idx;
- (*key)->keylen = param->u.crypt.key_len;
- memcpy((*key)->key, param->u.crypt.key,
- param->u.crypt.key_len);
- if (set_tx_key)
- (*key)->default_tx_key = 1;
-
- if (alg == ALG_CCMP) {
- /* Initialize AES key state here as an optimization
- * so that it does not need to be initialized for every
- * packet. */
- ieee80211_aes_key_setup_encrypt(
- (*key)->u.ccmp.aes_state, (*key)->key);
- }
-
- if (try_hwaccel &&
- (alg == ALG_WEP || alg == ALG_TKIP || alg == ALG_CCMP))
- param->u.crypt.err = ieee80211_set_hw_encryption(
- dev, sta, param->sta_addr, *key);
- }
-
- if (set_tx_key || (sta == NULL && sdata->default_key == NULL)) {
- sdata->default_key = *key;
- if (local->hw->set_key_idx &&
- local->hw->set_key_idx(dev, param->u.crypt.idx))
- printk(KERN_DEBUG "%s: failed to set TX key idx for "
- "low-level driver\n", dev->name);
- }
-
- done:
- if (sta)
- sta_info_release(local, sta);
-
- return ret;
-}
-
-static int ieee80211_ioctl_get_encryption(struct net_device *dev,
- struct prism2_hostapd_param *param,
- int param_len)
-{
- struct ieee80211_local *local = dev->priv;
- int ret = 0;
- struct sta_info *sta;
- struct ieee80211_key **key;
- int max_key_len;
- struct ieee80211_sub_if_data *sdata;
- u8 *pos;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- param->u.crypt.err = 0;
-
- max_key_len = param_len -
- (int) ((char *) param->u.crypt.key - (char *) param);
- if (max_key_len < 0)
- return -EINVAL;
-
- if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
- param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
- param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
- sta = NULL;
- if (param->u.crypt.idx > NUM_DEFAULT_KEYS) {
- param->u.crypt.idx = sdata->default_key ?
- sdata->default_key->keyidx : 0;
- return 0;
- } else
- key = &sdata->keys[param->u.crypt.idx];
- } else {
- sta = sta_info_get(local, param->sta_addr);
- if (sta == NULL) {
- param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
- return -EINVAL;
- }
-
- key = &sta->key;
- }
-
-
- memset(param->u.crypt.seq_counter, 0, HOSTAP_SEQ_COUNTER_SIZE);
- if (*key == NULL) {
- memcpy(param->u.crypt.alg, "none", 5);
- param->u.crypt.key_len = 0;
- param->u.crypt.idx = 0xff;
- } else {
- switch ((*key)->alg) {
- case ALG_WEP:
- memcpy(param->u.crypt.alg, "WEP", 4);
- break;
- case ALG_TKIP:
- {
- u32 iv32;
- u16 iv16;
-
- memcpy(param->u.crypt.alg, "TKIP", 5);
- if (local->hw->get_sequence_counter) {
- /* Get transmit counter from low level driver */
- if (local->hw->get_sequence_counter(dev,
- param->sta_addr,
- (*key)->keyidx,
- IEEE80211_SEQ_COUNTER_TX,
- &iv32,
- &iv16)) {
- /* Error getting value from device */
- return -EIO;
- }
- } else {
- /* Get it from our own local data */
- iv32 = (*key)->u.tkip.iv32;
- iv16 = (*key)->u.tkip.iv16;
- }
- pos = param->u.crypt.seq_counter;
- *pos++ = iv16 & 0xff;
- *pos++ = (iv16 >> 8) & 0xff;
- *pos++ = iv32 & 0xff;
- *pos++ = (iv32 >> 8) & 0xff;
- *pos++ = (iv32 >> 16) & 0xff;
- *pos++ = (iv32 >> 24) & 0xff;
- break;
- }
- case ALG_CCMP:
- {
- u8 *pn;
- memcpy(param->u.crypt.alg, "CCMP", 5);
- pos = param->u.crypt.seq_counter;
- pn = (*key)->u.ccmp.tx_pn;
- *pos++ = pn[5];
- *pos++ = pn[4];
- *pos++ = pn[3];
- *pos++ = pn[2];
- *pos++ = pn[1];
- *pos++ = pn[0];
- break;
- }
- default:
- memcpy(param->u.crypt.alg, "unknown", 8);
- break;
- }
-
- if (max_key_len < (*key)->keylen)
- ret = -E2BIG;
- else {
- param->u.crypt.key_len = (*key)->keylen;
- memcpy(param->u.crypt.key, (*key)->key,
- (*key)->keylen);
- }
- }
-
- if (sta)
- sta_info_release(local, sta);
-
- return ret;
-}
-
-
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
-static int ieee80211_ioctl_wpa_trigger(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_local *local = dev->priv;
- struct sta_info *sta;
-
- if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
- param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
- param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
- local->wpa_trigger = param->u.wpa_trigger.trigger;
- return 0;
- }
-
- sta = sta_info_get(local, param->sta_addr);
- if (sta == NULL) {
- printk(KERN_DEBUG "%s: wpa_trigger - unknown addr\n",
- dev->name);
- return -EINVAL;
- }
-
- sta->wpa_trigger = param->u.wpa_trigger.trigger;
-
- sta_info_release(local, sta);
- return 0;
-}
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
-
-static int ieee80211_ioctl_set_rate_sets(struct net_device *dev,
- struct prism2_hostapd_param *param,
- int param_len)
-{
- struct ieee80211_local *local = dev->priv;
- u16 *pos = (u16 *) param->u.set_rate_sets.data;
- int left = param_len - ((u8 *) pos - (u8 *) param);
- int i, mode, num_supp, num_basic, *supp, *basic, *prev;
-
- mode = param->u.set_rate_sets.mode;
- num_supp = param->u.set_rate_sets.num_supported_rates;
- num_basic = param->u.set_rate_sets.num_basic_rates;
-
- if (left < (num_supp + num_basic) * 2) {
- printk(KERN_WARNING "%s: invalid length in hostapd set rate "
- "sets ioctl (%d != %d)\n", dev->name, left,
- (num_supp + num_basic) * 2);
- return -EINVAL;
- }
-
- supp = (int *) kmalloc((num_supp + 1) * sizeof(int), GFP_KERNEL);
- basic = (int *) kmalloc((num_basic + 1) * sizeof(int), GFP_KERNEL);
-
- if (!supp || !basic) {
- kfree(supp);
- kfree(basic);
- return -ENOMEM;
- }
-
- for (i = 0; i < num_supp; i++)
- supp[i] = *pos++;
- supp[i] = -1;
-
- for (i = 0; i < num_basic; i++)
- basic[i] = *pos++;
- basic[i] = -1;
-
- if (num_supp == 0) {
- kfree(supp);
- supp = NULL;
- }
-
- if (num_basic == 0) {
- kfree(basic);
- basic = NULL;
- }
-
- prev = local->supp_rates[mode];
- local->supp_rates[mode] = supp;
- kfree(prev);
-
- prev = local->basic_rates[mode];
- local->basic_rates[mode] = basic;
- kfree(prev);
-
- if (mode == local->conf.phymode) {
- /* TODO: should update STA TX rates and remove STAs if they
- * do not have any remaining supported rates after the change
- */
- ieee80211_prepare_rates(dev);
- }
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_add_if(struct net_device *dev,
- struct prism2_hostapd_param *param,
- int param_len)
-{
- u8 *pos = param->u.if_info.data;
- int left = param_len - ((u8 *) pos - (u8 *) param);
-
- if (param->u.if_info.type == HOSTAP_IF_WDS) {
- struct ieee80211_if_wds iwds;
- struct hostapd_if_wds *wds =
- (struct hostapd_if_wds *) param->u.if_info.data;
-
- if (left < sizeof(struct ieee80211_if_wds))
- return -EPROTO;
-
- memcpy(iwds.remote_addr, wds->remote_addr, ETH_ALEN);
-
- return ieee80211_if_add_wds(dev, param->u.if_info.name,
- &iwds, 1);
- } else if (param->u.if_info.type == HOSTAP_IF_VLAN) {
- struct hostapd_if_vlan *vlan = (struct hostapd_if_vlan *) pos;
- struct ieee80211_if_vlan ivlan;
-
- if (left < sizeof(struct hostapd_if_vlan))
- return -EPROTO;
-
- ivlan.id = vlan->id;
-
- return ieee80211_if_add_vlan(dev, param->u.if_info.name,
- &ivlan, 1);
- } else if (param->u.if_info.type == HOSTAP_IF_BSS) {
- struct hostapd_if_bss *bss =
- (struct hostapd_if_bss *) param->u.if_info.data;
-
- if (left < sizeof(struct hostapd_if_bss))
- return -EPROTO;
-
- return ieee80211_if_add_norm(dev, param->u.if_info.name,
- bss->bssid, 1);
- } else if (param->u.if_info.type == HOSTAP_IF_STA) {
-#if 0
- struct hostapd_if_sta *sta =
- (struct hostapd_if_sta *) param->u.if_info.data;
-#endif
-
- if (left < sizeof(struct hostapd_if_sta))
- return -EPROTO;
-
- return ieee80211_if_add_sta(dev, param->u.if_info.name, 1);
- } else
- return -EINVAL;
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_remove_if(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- if (param->u.if_info.type == HOSTAP_IF_WDS) {
- return ieee80211_if_remove_wds(dev, param->u.if_info.name, 1);
- } else if (param->u.if_info.type == HOSTAP_IF_VLAN) {
- return ieee80211_if_remove_vlan(dev, param->u.if_info.name, 1);
- } else if (param->u.if_info.type == HOSTAP_IF_BSS) {
- return ieee80211_if_remove_norm(dev, param->u.if_info.name, 1);
- } else if (param->u.if_info.type == HOSTAP_IF_STA) {
- return ieee80211_if_remove_sta(dev, param->u.if_info.name, 1);
- } else {
- return -EINVAL;
- }
-}
-
-
-static int ieee80211_ioctl_update_if(struct net_device *dev,
- struct prism2_hostapd_param *param,
- int param_len)
-{
- u8 *pos = param->u.if_info.data;
- int left = param_len - ((u8 *) pos - (u8 *) param);
-
- if (param->u.if_info.type == HOSTAP_IF_WDS) {
- struct ieee80211_if_wds iwds;
- struct hostapd_if_wds *wds =
- (struct hostapd_if_wds *) param->u.if_info.data;
-
- if (left < sizeof(struct ieee80211_if_wds))
- return -EPROTO;
-
- memcpy(iwds.remote_addr, wds->remote_addr, ETH_ALEN);
-
- return ieee80211_if_update_wds(dev, param->u.if_info.name,
- &iwds, 1);
- } else {
- return -EOPNOTSUPP;
- }
-}
-
-
-static int ieee80211_ioctl_flush_ifs(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- return ieee80211_if_flush(dev, 1);
-}
-
-
-static int ieee80211_ioctl_scan_req(struct net_device *dev,
- struct prism2_hostapd_param *param,
- int param_len)
-{
- u8 *pos = param->u.scan_req.ssid;
- int left = param_len - ((u8 *) pos - (u8 *) param);
- int len = param->u.scan_req.ssid_len;
-
- if (left < len || len > IEEE80211_MAX_SSID_LEN)
- return -EINVAL;
-
- return ieee80211_sta_req_scan(dev, pos, len);
-}
-
-
-static int ieee80211_ioctl_sta_get_state(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_sub_if_data *sdata;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- return -EINVAL;
- param->u.sta_get_state.state = sdata->u.sta.state;
- return 0;
-}
-
-
-static int ieee80211_ioctl_mlme(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_sub_if_data *sdata;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- return -EINVAL;
- switch (param->u.mlme.cmd) {
- case MLME_STA_DEAUTH:
- ieee80211_sta_deauthenticate(dev, param->u.mlme.reason_code);
- break;
- case MLME_STA_DISASSOC:
- ieee80211_sta_disassociate(dev, param->u.mlme.reason_code);
- break;
- }
- return 0;
-}
-
-
-static int ieee80211_ioctl_get_load_stats(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_local *local = dev->priv;
-
- param->u.get_load_stats.channel_use = local->channel_use;
-/* if (param->u.get_load_stats.flags & LOAD_STATS_CLEAR)
- local->channel_use = 0; */ /* now it's not raw counter */
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_set_sta_vlan(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_local *local = dev->priv;
- struct sta_info *sta;
-
- sta = sta_info_get(local, param->sta_addr);
- if (sta) {
- struct net_device *new_vlan_dev;
- new_vlan_dev =
- dev_get_by_name(param->u.set_sta_vlan.vlan_name);
- if (new_vlan_dev) {
-#if 0
- printk("%s: Station " MACSTR " moved to vlan: %s\n",
- dev->name, MAC2STR(param->sta_addr),
- new_vlan_dev->name);
-#endif
- sta->dev = new_vlan_dev;
- sta->vlan_id = param->u.set_sta_vlan.vlan_id;
- dev_put(new_vlan_dev);
- }
- sta_info_release(local, sta);
- }
-
- return sta ? 0 : -ENOENT;
-}
-
-
-static int
-ieee80211_ioctl_set_generic_info_elem(struct net_device *dev,
- struct prism2_hostapd_param *param,
- int param_len)
-{
- struct ieee80211_local *local = dev->priv;
- u8 *pos = param->u.set_generic_info_elem.data;
- int left = param_len - ((u8 *) pos - (u8 *) param);
- int len = param->u.set_generic_info_elem.len;
-
- if (left < len)
- return -EINVAL;
-
- {
- struct ieee80211_sub_if_data *sdata;
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type == IEEE80211_SUB_IF_TYPE_STA)
- return ieee80211_sta_set_extra_ie(dev, pos, len);
- }
- kfree(local->conf.generic_elem);
- local->conf.generic_elem = kmalloc(len, GFP_KERNEL);
- if (local->conf.generic_elem == NULL)
- return -ENOMEM;
- memcpy(local->conf.generic_elem, pos, len);
- local->conf.generic_elem_len = len;
-
- return ieee80211_hw_config(dev);
-}
-
-
-static int ieee80211_ioctl_set_regulatory_domain(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev);
- conf->regulatory_domain = param->u.set_regulatory_domain.rd;
- return 0;
-}
-
-
-static int ieee80211_ioctl_set_adm_status(struct net_device *dev,
- int val)
-{
- struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev);
- conf->adm_status = val;
- return ieee80211_hw_config(dev);
-}
-
-static int
-ieee80211_ioctl_set_tx_queue_params(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_tx_queue_params qparam;
-
- if (!local->hw->conf_tx) {
- printk(KERN_DEBUG "%s: low-level driver does not support TX "
- "queue configuration\n", dev->name);
- return -EOPNOTSUPP;
- }
-
- memset(&qparam, 0, sizeof(qparam));
- qparam.aifs = param->u.tx_queue_params.aifs;
- qparam.cw_min = param->u.tx_queue_params.cw_min;
- qparam.cw_max = param->u.tx_queue_params.cw_max;
- qparam.burst_time = param->u.tx_queue_params.burst_time;
-
- return local->hw->conf_tx(dev, param->u.tx_queue_params.queue,
- &qparam);
-}
-
-
-static int ieee80211_ioctl_get_tx_stats(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_tx_queue_stats stats;
- int ret, i;
-
- if (!local->hw->get_tx_stats)
- return -EOPNOTSUPP;
-
- memset(&stats, 0, sizeof(stats));
- ret = local->hw->get_tx_stats(dev, &stats);
- if (ret)
- return ret;
-
- for (i = 0; i < 4; i++) {
- param->u.get_tx_stats.data[i].len = stats.data[i].len;
- param->u.get_tx_stats.data[i].limit = stats.data[i].limit;
- param->u.get_tx_stats.data[i].count = stats.data[i].count;
- }
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_set_bss(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev);
- int i, bss_count;
- int new_count = param->u.set_bss.bss_count;
- struct net_device **bss_devs, **prev;
- struct net_device **sta_devs, **prev_sta_devs;
-
- bss_count = 0;
- for (i = 0; i < conf->bss_count; i++) {
- if (local->bss_devs[i])
- bss_count++;
- }
-
- if (new_count < bss_count) {
- printk(KERN_DEBUG "%s: invalid BSS count %d (in use: %d)\n",
- dev->name, new_count, bss_count);
- return -EINVAL;
- }
-
- bss_devs = kmalloc(new_count * sizeof(struct net_device *),
- GFP_KERNEL);
- if (bss_devs == NULL)
- return -ENOMEM;
- sta_devs = kmalloc(new_count * sizeof(struct net_device *),
- GFP_KERNEL);
- if (sta_devs == NULL) {
- kfree(bss_devs);
- return -ENOMEM;
- }
-
- spin_lock_bh(&local->sub_if_lock);
- memcpy(bss_devs, local->bss_devs,
- bss_count * sizeof(struct net_device *));
- memset(&bss_devs[bss_count], 0,
- (new_count - bss_count) * sizeof(struct net_device *));
-
- memcpy(conf->bssid_mask, param->u.set_bss.bssid_mask, ETH_ALEN);
-
- prev = local->bss_devs;
- local->bss_devs = bss_devs;
- conf->bss_count = new_count;
-
- memcpy(sta_devs, local->sta_devs,
- bss_count * sizeof(struct net_device *));
- memset(&sta_devs[bss_count], 0,
- (new_count - bss_count) * sizeof(struct net_device *));
- prev_sta_devs = local->sta_devs;
- local->sta_devs = sta_devs;
-
- spin_unlock_bh(&local->sub_if_lock);
- kfree(prev);
- kfree(prev_sta_devs);
-
- return ieee80211_hw_config(dev);
-}
-
-
-static int ieee80211_ioctl_set_channel_flag(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_hw_modes *mode = NULL;
- struct ieee80211_channel *chan = NULL;
- int i;
-
- for (i = 0; i < local->hw->num_modes; i++) {
- mode = &local->hw->modes[i];
- if (mode->mode == param->u.set_channel_flag.mode)
- break;
- mode = NULL;
- }
-
- if (!mode)
- return -ENOENT;
-
- for (i = 0; i < mode->num_channels; i++) {
- chan = &mode->channels[i];
- if (chan->chan == param->u.set_channel_flag.chan)
- break;
- chan = NULL;
- }
-
- if (!chan)
- return -ENOENT;
-
- chan->flag = param->u.set_channel_flag.flag;
- chan->power_level = param->u.set_channel_flag.power_level;
- chan->antenna_max = param->u.set_channel_flag.antenna_max;
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_set_quiet_params(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev);
- conf->quiet_duration = param->u.quiet.duration;
- conf->quiet_offset = param->u.quiet.offset;
- conf->quiet_period = param->u.quiet.period;
- return 0;
-}
-
-
-static int ieee80211_ioctl_set_radar_params(struct net_device *dev,
- struct prism2_hostapd_param *param)
-{
- /* struct ieee80211_conf *conf = ieee80211_get_hw_conf(dev); */
- return 0;
-}
-
-
-static int ieee80211_ioctl_priv_hostapd(struct net_device *dev,
- struct iw_point *p)
-{
- struct prism2_hostapd_param *param;
- int ret = 0;
-
- if (p->length < sizeof(struct prism2_hostapd_param) ||
- p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer) {
- printk(KERN_DEBUG "%s: hostapd ioctl: ptr=%p len=%d min=%d "
- "max=%d\n", dev->name, p->pointer, p->length,
- (int)sizeof(struct prism2_hostapd_param),
- PRISM2_HOSTAPD_MAX_BUF_SIZE);
- return -EINVAL;
- }
-
- param = (struct prism2_hostapd_param *) kmalloc(p->length, GFP_KERNEL);
- if (param == NULL)
- return -ENOMEM;
-
- if (copy_from_user(param, p->pointer, p->length)) {
- ret = -EFAULT;
- goto out;
- }
-
- switch (param->cmd) {
- case PRISM2_HOSTAPD_FLUSH:
- ret = ieee80211_ioctl_flush(dev, param);
- break;
- case PRISM2_HOSTAPD_ADD_STA:
- ret = ieee80211_ioctl_add_sta(dev, param);
- break;
- case PRISM2_HOSTAPD_REMOVE_STA:
- ret = ieee80211_ioctl_remove_sta(dev, param);
- break;
- case PRISM2_HOSTAPD_GET_INFO_STA:
- ret = ieee80211_ioctl_get_info_sta(dev, param);
- break;
- case PRISM2_SET_ENCRYPTION:
- ret = ieee80211_ioctl_set_encryption(dev, param, p->length);
- break;
- case PRISM2_GET_ENCRYPTION:
- ret = ieee80211_ioctl_get_encryption(dev, param, p->length);
- break;
- case PRISM2_HOSTAPD_SET_FLAGS_STA:
- ret = ieee80211_ioctl_set_flags_sta(dev, param);
- break;
- case PRISM2_HOSTAPD_SET_BEACON:
- ret = ieee80211_ioctl_set_beacon(dev, param, p->length, 0);
- break;
- case PRISM2_HOSTAPD_GET_HW_FEATURES:
- ret = ieee80211_ioctl_get_hw_features(dev, param, p->length);
- break;
- case PRISM2_HOSTAPD_SCAN:
- ret = ieee80211_ioctl_scan(dev, param);
- break;
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- case PRISM2_HOSTAPD_WPA_TRIGGER:
- ret = ieee80211_ioctl_wpa_trigger(dev, param);
- break;
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
- case PRISM2_HOSTAPD_SET_RATE_SETS:
- ret = ieee80211_ioctl_set_rate_sets(dev, param, p->length);
- break;
- case PRISM2_HOSTAPD_ADD_IF:
- ret = ieee80211_ioctl_add_if(dev, param, p->length);
- break;
- case PRISM2_HOSTAPD_REMOVE_IF:
- ret = ieee80211_ioctl_remove_if(dev, param);
- break;
- case PRISM2_HOSTAPD_GET_DOT11COUNTERSTABLE:
- ret = ieee80211_ioctl_get_dot11counterstable(dev, param);
- break;
- case PRISM2_HOSTAPD_GET_LOAD_STATS:
- ret = ieee80211_ioctl_get_load_stats(dev, param);
- break;
- case PRISM2_HOSTAPD_SET_STA_VLAN:
- ret = ieee80211_ioctl_set_sta_vlan(dev, param);
- break;
- case PRISM2_HOSTAPD_SET_GENERIC_INFO_ELEM:
- ret = ieee80211_ioctl_set_generic_info_elem(dev, param,
- p->length);
- break;
- case PRISM2_HOSTAPD_SET_CHANNEL_FLAG:
- ret = ieee80211_ioctl_set_channel_flag(dev, param);
- break;
- case PRISM2_HOSTAPD_SET_REGULATORY_DOMAIN:
- ret = ieee80211_ioctl_set_regulatory_domain(dev, param);
- break;
- case PRISM2_HOSTAPD_SET_TX_QUEUE_PARAMS:
- ret = ieee80211_ioctl_set_tx_queue_params(dev, param);
- break;
- case PRISM2_HOSTAPD_SET_BSS:
- ret = ieee80211_ioctl_set_bss(dev, param);
- break;
- case PRISM2_HOSTAPD_GET_TX_STATS:
- ret = ieee80211_ioctl_get_tx_stats(dev, param);
- break;
- case PRISM2_HOSTAPD_UPDATE_IF:
- ret = ieee80211_ioctl_update_if(dev, param, p->length);
- break;
- case PRISM2_HOSTAPD_SCAN_REQ:
- ret = ieee80211_ioctl_scan_req(dev, param, p->length);
- break;
- case PRISM2_STA_GET_STATE:
- ret = ieee80211_ioctl_sta_get_state(dev, param);
- break;
- case PRISM2_HOSTAPD_MLME:
- ret = ieee80211_ioctl_mlme(dev, param);
- break;
- case PRISM2_HOSTAPD_FLUSH_IFS:
- ret = ieee80211_ioctl_flush_ifs(dev, param);
- break;
- case PRISM2_HOSTAPD_SET_RADAR_PARAMS:
- ret = ieee80211_ioctl_set_radar_params(dev, param);
- break;
- case PRISM2_HOSTAPD_SET_QUIET_PARAMS:
- ret = ieee80211_ioctl_set_quiet_params(dev, param);
- break;
- default:
- ret = -EOPNOTSUPP;
- break;
- }
-
- if (copy_to_user(p->pointer, param, p->length))
- ret = -EFAULT;
-
- out:
- kfree(param);
-
- return ret;
-}
-
-
-static int ieee80211_ioctl_giwname(struct net_device *dev,
- struct iw_request_info *info,
- char *name, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
-
- switch (local->conf.phymode) {
- case MODE_IEEE80211A:
- strcpy(name, "IEEE 802.11a");
- break;
- case MODE_IEEE80211B:
- strcpy(name, "IEEE 802.11b");
- break;
- case MODE_IEEE80211G:
- strcpy(name, "IEEE 802.11g");
- break;
- case MODE_ATHEROS_TURBO:
- strcpy(name, "5GHz Turbo");
- break;
- default:
- strcpy(name, "IEEE 802.11");
- break;
- }
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_giwrange(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra)
-{
- struct iw_range *range = (struct iw_range *) extra;
-
- data->length = sizeof(struct iw_range);
- memset(range, 0, sizeof(struct iw_range));
-
- range->we_version_compiled = WIRELESS_EXT;
- range->we_version_source = 14;
- range->retry_capa = IW_RETRY_LIMIT;
- range->retry_flags = IW_RETRY_LIMIT;
- range->min_retry = 0;
- range->max_retry = 255;
- range->min_rts = 0;
- range->max_rts = 2347;
- range->min_frag = 256;
- range->max_frag = 2346;
-
- return 0;
-}
-
-
-struct ieee80211_channel_range {
- short start_freq;
- short end_freq;
- unsigned char power_level;
- unsigned char antenna_max;
-};
-
-static const struct ieee80211_channel_range ieee80211_fcc_channels[] = {
- { 2412, 2462, 27, 6 } /* IEEE 802.11b/g, channels 1..11 */,
- { 5180, 5240, 17, 6 } /* IEEE 802.11a, channels 36..48 */,
- { 5260, 5320, 23, 6 } /* IEEE 802.11a, channels 52..64 */,
- { 5745, 5825, 30, 6 } /* IEEE 802.11a, channels 149..165, outdoor */,
- { 0 }
-};
-
-static const struct ieee80211_channel_range ieee80211_mkk_channels[] = {
- { 2412, 2472, 20, 6 } /* IEEE 802.11b/g, channels 1..13 */,
- { 5170, 5240, 20, 6 } /* IEEE 802.11a, channels 34..48 */,
- { 5260, 5320, 20, 6 } /* IEEE 802.11a, channels 52..64 */,
- { 0 }
-};
-
-
-static const struct ieee80211_channel_range *channel_range =
- ieee80211_fcc_channels;
-
-
-static void ieee80211_unmask_channel(struct net_device *dev, int mode,
- struct ieee80211_channel *chan)
-{
- int i;
-
- chan->flag = 0;
-
- if (ieee80211_regdom == 64 &&
- (mode == MODE_ATHEROS_TURBO || mode == MODE_ATHEROS_TURBOG)) {
- /* Do not allow Turbo modes in Japan. */
- return;
- }
-
- for (i = 0; channel_range[i].start_freq; i++) {
- const struct ieee80211_channel_range *r = &channel_range[i];
- if (r->start_freq <= chan->freq && r->end_freq >= chan->freq) {
- if (ieee80211_regdom == 64 && !ieee80211_japan_5ghz &&
- chan->freq >= 5260 && chan->freq <= 5320) {
- /*
- * Skip new channels in Japan since the
- * firmware was not marked having been upgraded
- * by the vendor.
- */
- continue;
- }
-
- if (ieee80211_regdom == 0x10 &&
- (chan->freq == 5190 || chan->freq == 5210 ||
- chan->freq == 5230)) {
- /* Skip MKK channels when in FCC domain. */
- continue;
- }
-
- chan->flag |= IEEE80211_CHAN_W_SCAN |
- IEEE80211_CHAN_W_ACTIVE_SCAN |
- IEEE80211_CHAN_W_IBSS;
- chan->power_level = r->power_level;
- chan->antenna_max = r->antenna_max;
-
- if (ieee80211_regdom == 64 &&
- (chan->freq == 5170 || chan->freq == 5190 ||
- chan->freq == 5210 || chan->freq == 5230)) {
- /*
- * New regulatory rules in Japan have backwards
- * compatibility with old channels in 5.15-5.25
- * GHz band, but the station is not allowed to
- * use active scan on these old channels.
- */
- chan->flag &= ~IEEE80211_CHAN_W_ACTIVE_SCAN;
- }
-
- if (ieee80211_regdom == 64 &&
- (chan->freq == 5260 || chan->freq == 5280 ||
- chan->freq == 5300 || chan->freq == 5320)) {
- /*
- * IBSS is not allowed on 5.25-5.35 GHz band
- * due to radar detection requirements.
- */
- chan->flag &= ~IEEE80211_CHAN_W_IBSS;
- }
-
- break;
- }
- }
-}
-
-
-static int ieee80211_unmask_channels(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
- int m, c;
-
- for (m = 0; m < local->hw->num_modes; m++) {
- struct ieee80211_hw_modes *mode = &local->hw->modes[m];
- for (c = 0; c < mode->num_channels; c++) {
- ieee80211_unmask_channel(dev, mode->mode,
- &mode->channels[c]);
- }
- }
- return 0;
-}
-
-
-static int ieee80211_init_client(struct net_device *dev)
-{
- if (ieee80211_regdom == 0x40)
- channel_range = ieee80211_mkk_channels;
- ieee80211_unmask_channels(dev);
- ieee80211_ioctl_set_adm_status(dev, 1);
- return 0;
-}
-
-
-static int ieee80211_is_client_mode(int iw_mode)
-{
- return (iw_mode == IW_MODE_INFRA || iw_mode == IW_MODE_ADHOC);
-}
-
-
-static int ieee80211_ioctl_siwmode(struct net_device *dev,
- struct iw_request_info *info,
- __u32 *mode, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
-
- if (!ieee80211_is_client_mode(local->conf.mode) &&
- ieee80211_is_client_mode(*mode)) {
- ieee80211_init_client(dev);
- }
- if (local->conf.mode != *mode) {
- struct ieee80211_sub_if_data *sdata =
- IEEE80211_DEV_TO_SUB_IF(dev);
- sta_info_flush(local, NULL);
- if (local->conf.mode == IW_MODE_ADHOC &&
- sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
- /* Clear drop_unencrypted when leaving adhoc mode since
- * only adhoc mode is using automatic setting for this
- * in 80211.o. */
- sdata->drop_unencrypted = 0;
- }
- if (*mode == IW_MODE_MASTER) {
- /* AP mode does not currently use ACM bits to limit
- * TX, so clear the bitfield here. */
- local->wmm_acm = 0;
- }
- }
- local->conf.mode = *mode;
- return ieee80211_hw_config(dev);
-}
-
-
-static int ieee80211_ioctl_giwmode(struct net_device *dev,
- struct iw_request_info *info,
- __u32 *mode, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sub_if_data *sdata;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
- if (local->conf.mode == IW_MODE_ADHOC)
- *mode = IW_MODE_ADHOC;
- else
- *mode = IW_MODE_INFRA;
- } else
- *mode = local->conf.mode;
- return 0;
-}
-
-
-int ieee80211_ioctl_siwfreq(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_freq *freq, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
- int m, c, nfreq, set = 0;
-
- /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
- if (freq->e == 0)
- nfreq = -1;
- else {
- int i, div = 1000000;
- for (i = 0; i < freq->e; i++)
- div /= 10;
- if (div > 0)
- nfreq = freq->m / div;
- else
- return -EINVAL;
- }
-
- for (m = 0; m < local->hw->num_modes; m++) {
- struct ieee80211_hw_modes *mode = &local->hw->modes[m];
- for (c = 0; c < mode->num_channels; c++) {
- struct ieee80211_channel *chan = &mode->channels[c];
- if (chan->flag & IEEE80211_CHAN_W_SCAN &&
- ((freq->e == 0 && chan->chan == freq->m) ||
- (freq->e > 0 && nfreq == chan->freq)) &&
- (local->hw_modes & (1 << mode->mode))) {
- /* Use next_mode as the mode preference to
- * resolve non-unique channel numbers. */
- if (set && mode->mode != local->next_mode)
- continue;
-
- local->conf.channel = chan->chan;
- local->conf.channel_val = chan->val;
- local->conf.power_level = chan->power_level;
- local->conf.freq = chan->freq;
- local->conf.phymode = mode->mode;
- local->conf.antenna_max = chan->antenna_max;
- set++;
- }
- }
- }
-
- if (set) {
- local->sta_scanning = 0; /* Abort possible scan */
- return ieee80211_hw_config(dev);
- }
-
- return -EINVAL;
-}
-
-
-static int ieee80211_ioctl_giwfreq(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_freq *freq, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
-
- /* TODO: in station mode (Managed/Ad-hoc) might need to poll low-level
- * driver for the current channel with firmware-based management */
-
- freq->m = local->conf.freq;
- freq->e = 6;
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_siwessid(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *ssid)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sub_if_data *sdata;
- size_t len = data->length;
-
- /* iwconfig uses nul termination in SSID.. */
- if (len > 0 && ssid[len - 1] == '\0')
- len--;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type == IEEE80211_SUB_IF_TYPE_STA)
- return ieee80211_sta_set_ssid(dev, ssid, len);
-
- kfree(local->conf.ssid);
- local->conf.ssid = kmalloc(len + 1, GFP_KERNEL);
- if (local->conf.ssid == NULL)
- return -ENOMEM;
- memcpy(local->conf.ssid, ssid, len);
- local->conf.ssid[len] = '\0';
- local->conf.ssid_len = len;
- return ieee80211_hw_config(dev);
-}
-
-
-static int ieee80211_ioctl_giwessid(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *ssid)
-{
- struct ieee80211_local *local = dev->priv;
- size_t len;
-
- struct ieee80211_sub_if_data *sdata;
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
- int res = ieee80211_sta_get_ssid(dev, ssid, &len);
- if (res == 0)
- data->length = len;
- return res;
- }
-
- len = local->conf.ssid_len;
- if (len > IW_ESSID_MAX_SIZE)
- len = IW_ESSID_MAX_SIZE;
- memcpy(ssid, local->conf.ssid, len);
- data->length = len;
- return 0;
-}
-
-
-static int ieee80211_ioctl_siwap(struct net_device *dev,
- struct iw_request_info *info,
- struct sockaddr *ap_addr, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sub_if_data *sdata;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
- int changed_bssid = 0;
- if (memcmp(local->conf.client_bssid, (u8 *) &ap_addr->sa_data,
- ETH_ALEN) != 0)
- changed_bssid = 1;
- memcpy(local->conf.client_bssid, (u8 *) &ap_addr->sa_data,
- ETH_ALEN);
- if (changed_bssid && ieee80211_hw_config(dev)) {
- printk(KERN_DEBUG "%s: Failed to config new BSSID to "
- "the low-level driver\n", dev->name);
- }
- return ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
- }
-
- return -EOPNOTSUPP;
-}
-
-
-static int ieee80211_ioctl_giwap(struct net_device *dev,
- struct iw_request_info *info,
- struct sockaddr *ap_addr, char *extra)
-{
- struct ieee80211_sub_if_data *sdata;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
- ap_addr->sa_family = ARPHRD_ETHER;
- memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
- return 0;
- }
-
- return -EOPNOTSUPP;
-}
-
-
-static int ieee80211_ioctl_siwscan(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
- u8 *ssid = NULL;
- size_t ssid_len = 0;
-
- if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
- ssid = local->conf.ssid;
- ssid_len = local->conf.ssid_len;
- }
- return ieee80211_sta_req_scan(dev, ssid, ssid_len);
-}
-
-
-static int ieee80211_ioctl_giwscan(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra)
-{
- int res;
- struct ieee80211_local *local = dev->priv;
- if (local->sta_scanning)
- return -EAGAIN;
- res = ieee80211_sta_scan_results(dev, extra, IW_SCAN_MAX_DATA);
- if (res >= 0) {
- data->length = res;
- return 0;
- }
- data->length = 0;
- return res;
-}
-
-
-static int ieee80211_ioctl_siwrts(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *rts, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
-
- if (rts->disabled)
- local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
- else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
- return -EINVAL;
- else
- local->rts_threshold = rts->value;
-
- /* If the wlan card performs RTS/CTS in hardware/firmware,
- * configure it here */
-
- if (local->hw->set_rts_threshold) {
- local->hw->set_rts_threshold(dev, local->rts_threshold);
- }
-
- return 0;
-}
-
-static int ieee80211_ioctl_giwrts(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *rts, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
-
- rts->value = local->rts_threshold;
- rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
- rts->fixed = 1;
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_siwfrag(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *frag, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
-
- if (frag->disabled)
- local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
- else if (frag->value < 256 ||
- frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
- return -EINVAL;
- else {
- /* Fragment length must be even, so strip LSB. */
- local->fragmentation_threshold = frag->value & ~0x1;
- }
-
- /* If the wlan card performs fragmentation in hardware/firmware,
- * configure it here */
-
- if (local->hw->set_frag_threshold) {
- local->hw->set_frag_threshold(
- dev, local->fragmentation_threshold);
- }
-
- return 0;
-}
-
-static int ieee80211_ioctl_giwfrag(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *frag, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
-
- frag->value = local->fragmentation_threshold;
- frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
- frag->fixed = 1;
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_siwretry(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *retry, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
-
- if (retry->disabled ||
- (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
- return -EINVAL;
-
- if (retry->flags & IW_RETRY_MAX)
- local->long_retry_limit = retry->value;
- else if (retry->flags & IW_RETRY_MIN)
- local->short_retry_limit = retry->value;
- else {
- local->long_retry_limit = retry->value;
- local->short_retry_limit = retry->value;
- }
-
- if (local->hw->set_retry_limit) {
- return local->hw->set_retry_limit(
- dev, local->short_retry_limit,
- local->long_retry_limit);
- }
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_giwretry(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_param *retry, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
-
- retry->disabled = 0;
- if ((retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
- return -EINVAL;
- if (retry->flags & IW_RETRY_MAX) {
- retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
- retry->value = local->long_retry_limit;
- } else {
- retry->flags = IW_RETRY_LIMIT;
- retry->value = local->short_retry_limit;
- if (local->long_retry_limit != local->short_retry_limit)
- retry->flags |= IW_RETRY_MIN;
- }
-
- return 0;
-}
-
-
-static void ieee80211_ioctl_unmask_channels(struct ieee80211_local *local)
-{
- int m, c;
-
- for (m = 0; m < local->hw->num_modes; m++) {
- struct ieee80211_hw_modes *mode = &local->hw->modes[m];
- for (c = 0; c < mode->num_channels; c++) {
- struct ieee80211_channel *chan = &mode->channels[c];
- chan->flag |= IEEE80211_CHAN_W_SCAN;
- }
- }
-}
-
-
-static int ieee80211_ioctl_test_mode(struct net_device *dev, int mode)
-{
- struct ieee80211_local *local = dev->priv;
- int ret = -EOPNOTSUPP;
-
- if (mode == IEEE80211_TEST_UNMASK_CHANNELS) {
- ieee80211_ioctl_unmask_channels(local);
- ret = 0;
- }
-
- if (local->hw->test_mode)
- ret = local->hw->test_mode(dev, mode);
-
- return ret;
-}
-
-
-static int ieee80211_ioctl_clear_keys(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_key_conf key;
- struct list_head *ptr;
- int i;
- u8 addr[ETH_ALEN];
- struct ieee80211_key_conf *keyconf;
-
- memset(addr, 0xff, ETH_ALEN);
- list_for_each(ptr, &local->sub_if_list) {
- struct ieee80211_sub_if_data *sdata =
- list_entry(ptr, struct ieee80211_sub_if_data, list);
- for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
- keyconf = NULL;
- if (sdata->keys[i] &&
- !sdata->keys[i]->force_sw_encrypt &&
- local->hw->set_key &&
- (keyconf = ieee80211_key_data2conf(local,
- sdata->keys[i]))
- != NULL)
- local->hw->set_key(dev, DISABLE_KEY, addr,
- keyconf, 0);
- kfree(keyconf);
- kfree(sdata->keys[i]);
- sdata->keys[i] = NULL;
- }
- sdata->default_key = NULL;
- }
-
- spin_lock_bh(&local->sta_lock);
- list_for_each(ptr, &local->sta_list) {
- struct sta_info *sta =
- list_entry(ptr, struct sta_info, list);
- keyconf = NULL;
- if (sta->key && !sta->key->force_sw_encrypt &&
- local->hw->set_key &&
- (keyconf = ieee80211_key_data2conf(local, sta->key))
- != NULL)
- local->hw->set_key(dev, DISABLE_KEY, sta->addr,
- keyconf, sta->aid);
- kfree(keyconf);
- kfree(sta->key);
- sta->key = NULL;
- }
- spin_unlock_bh(&local->sta_lock);
-
-
- memset(&key, 0, sizeof(key));
- if (local->hw->set_key &&
- local->hw->set_key(dev, REMOVE_ALL_KEYS, NULL,
- &key, 0))
- printk(KERN_DEBUG "%s: failed to remove hwaccel keys\n",
- dev->name);
-
- return 0;
-}
-
-
-static int
-ieee80211_ioctl_force_unicast_rate(struct net_device *dev,
- struct ieee80211_sub_if_data *sdata,
- int rate)
-{
- struct ieee80211_local *local = dev->priv;
- int i;
-
- if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM)
- return -ENOENT;
-
- if (rate == 0) {
- sdata->u.norm.force_unicast_rateidx = -1;
- return 0;
- }
-
- for (i = 0; i < local->num_curr_rates; i++) {
- if (local->curr_rates[i].rate == rate) {
- sdata->u.norm.force_unicast_rateidx = i;
- return 0;
- }
- }
- return -EINVAL;
-}
-
-
-static int
-ieee80211_ioctl_max_ratectrl_rate(struct net_device *dev,
- struct ieee80211_sub_if_data *sdata,
- int rate)
-{
- struct ieee80211_local *local = dev->priv;
- int i;
-
- if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM)
- return -ENOENT;
-
- if (rate == 0) {
- sdata->u.norm.max_ratectrl_rateidx = -1;
- return 0;
- }
-
- for (i = 0; i < local->num_curr_rates; i++) {
- if (local->curr_rates[i].rate == rate) {
- sdata->u.norm.max_ratectrl_rateidx = i;
- return 0;
- }
- }
- return -EINVAL;
-}
-
-
-static void ieee80211_key_enable_hwaccel(struct ieee80211_local *local,
- struct ieee80211_key *key)
-{
- struct ieee80211_key_conf *keyconf;
- u8 addr[ETH_ALEN];
-
- if (key == NULL || key->alg != ALG_WEP || !key->force_sw_encrypt ||
- local->hw->device_hides_wep)
- return;
-
- memset(addr, 0xff, ETH_ALEN);
- keyconf = ieee80211_key_data2conf(local, key);
- if (keyconf && local->hw->set_key &&
- local->hw->set_key(local->mdev, SET_KEY, addr, keyconf, 0) == 0) {
- key->force_sw_encrypt = keyconf->force_sw_encrypt;
- key->hw_key_idx = keyconf->hw_key_idx;
- }
- kfree(keyconf);
-}
-
-
-static void ieee80211_key_disable_hwaccel(struct ieee80211_local *local,
- struct ieee80211_key *key)
-{
- struct ieee80211_key_conf *keyconf;
- u8 addr[ETH_ALEN];
-
- if (key == NULL || key->alg != ALG_WEP || key->force_sw_encrypt ||
- local->hw->device_hides_wep)
- return;
-
- memset(addr, 0xff, ETH_ALEN);
- keyconf = ieee80211_key_data2conf(local, key);
- if (keyconf && local->hw->set_key)
- local->hw->set_key(local->mdev, DISABLE_KEY, addr, keyconf, 0);
- kfree(keyconf);
- key->force_sw_encrypt = 1;
-}
-
-
-static int ieee80211_ioctl_default_wep_only(struct ieee80211_local *local,
- int value)
-{
- int i;
- struct list_head *ptr;
-
- local->default_wep_only = value;
- list_for_each(ptr, &local->sub_if_list) {
- struct ieee80211_sub_if_data *sdata =
- list_entry(ptr, struct ieee80211_sub_if_data, list);
- for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
- if (value) {
- ieee80211_key_enable_hwaccel(local,
- sdata->keys[i]);
- } else {
- ieee80211_key_disable_hwaccel(local,
- sdata->keys[i]);
- }
- }
- }
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_prism2_param(struct net_device *dev,
- struct iw_request_info *info,
- void *wrqu, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sub_if_data *sdata;
- int *i = (int *) extra;
- int param = *i;
- int value = *(i + 1);
- int ret = 0;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- switch (param) {
- case PRISM2_PARAM_HOST_ENCRYPT:
- case PRISM2_PARAM_HOST_DECRYPT:
- /* TODO: implement these; return success now to prevent
- * hostapd from aborting */
- break;
-
- case PRISM2_PARAM_BEACON_INT:
- local->conf.beacon_int = value;
- if (ieee80211_hw_config(dev))
- ret = -EINVAL;
- break;
-
- case PRISM2_PARAM_AP_BRIDGE_PACKETS:
- local->bridge_packets = value;
- break;
-
- case PRISM2_PARAM_AP_AUTH_ALGS:
- if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
- sdata->u.sta.auth_algs = value;
- } else
- ret = -EOPNOTSUPP;
- break;
-
- case PRISM2_PARAM_DTIM_PERIOD:
- if (value < 1)
- ret = -EINVAL;
- else if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM)
- ret = -ENOENT;
- else
- sdata->u.norm.dtim_period = value;
- break;
-
- case PRISM2_PARAM_IEEE_802_1X:
- sdata->ieee802_1x = value;
- if (local->hw->set_ieee8021x &&
- local->hw->set_ieee8021x(dev, value))
- printk(KERN_DEBUG "%s: failed to set IEEE 802.1X (%d) "
- "for low-level driver\n", dev->name, value);
- break;
-
- case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
- local->cts_protect_erp_frames = value;
- break;
-
- case PRISM2_PARAM_DROP_UNENCRYPTED:
- sdata->drop_unencrypted = value;
- break;
-
- case PRISM2_PARAM_PREAMBLE:
- local->short_preamble = value;
- break;
-
- case PRISM2_PARAM_RATE_LIMIT_BURST:
- local->rate_limit_burst = value;
- local->rate_limit_bucket = value;
- break;
-
- case PRISM2_PARAM_RATE_LIMIT:
- /* number of packets (tokens) allowed per second */
- if (!local->rate_limit && value) {
- if (!local->rate_limit_burst) local->rate_limit_burst =
- value;
- local->rate_limit_bucket = local->rate_limit_burst;
- local->rate_limit_timer.expires = jiffies + HZ;
- add_timer(&local->rate_limit_timer);
- } else if (local->rate_limit && !value) {
- del_timer_sync(&local->rate_limit_timer);
- }
- local->rate_limit = value;
- break;
-
- case PRISM2_PARAM_STAT_TIME:
- if (!local->stat_time && value) {
- local->stat_timer.expires = jiffies + HZ * value / 100;
- add_timer(&local->stat_timer);
- } else if (local->stat_time && !value) {
- del_timer_sync(&local->stat_timer);
- }
- local->stat_time = value;
- break;
- case PRISM2_PARAM_SHORT_SLOT_TIME:
- local->conf.short_slot_time = value;
- if (ieee80211_hw_config(dev))
- ret = -EINVAL;
- break;
-
- case PRISM2_PARAM_PRIVACY_INVOKED:
- if (local->hw->set_privacy_invoked)
- ret = local->hw->set_privacy_invoked(dev, value);
- break;
-
- case PRISM2_PARAM_TEST_MODE:
- ret = ieee80211_ioctl_test_mode(dev, value);
- break;
-
- case PRISM2_PARAM_NEXT_MODE:
- local->next_mode = value;
- break;
-
- case PRISM2_PARAM_CLEAR_KEYS:
- ret = ieee80211_ioctl_clear_keys(dev);
- break;
-
- case PRISM2_PARAM_ADM_STATUS:
- ret = ieee80211_ioctl_set_adm_status(dev, value);
- break;
-
- case PRISM2_PARAM_ANTENNA_SEL:
- local->conf.antenna_sel = value;
- if (ieee80211_hw_config(dev))
- ret = -EINVAL;
- break;
-
- case PRISM2_PARAM_CALIB_INT:
- local->conf.calib_int = value;
- if (ieee80211_hw_config(dev))
- ret = -EINVAL;
- break;
-
- case PRISM2_PARAM_ANTENNA_MODE:
- local->conf.antenna_mode = value;
- if (ieee80211_hw_config(dev))
- ret = -EINVAL;
- break;
-
- case PRISM2_PARAM_BROADCAST_SSID:
- if ((value < 0) || (value > 1))
- ret = -EINVAL;
- else
- local->conf.ssid_hidden = value;
- break;
-
- case PRISM2_PARAM_STA_ANTENNA_SEL:
- local->sta_antenna_sel = value;
- break;
-
- case PRISM2_PARAM_FORCE_UNICAST_RATE:
- ret = ieee80211_ioctl_force_unicast_rate(dev, sdata, value);
- break;
-
- case PRISM2_PARAM_MAX_RATECTRL_RATE:
- ret = ieee80211_ioctl_max_ratectrl_rate(dev, sdata, value);
- break;
-
- case PRISM2_PARAM_RATE_CTRL_NUM_UP:
- local->rate_ctrl_num_up = value;
- break;
-
- case PRISM2_PARAM_RATE_CTRL_NUM_DOWN:
- local->rate_ctrl_num_down = value;
- break;
-
- case PRISM2_PARAM_TX_POWER_REDUCTION:
- if (value < 0)
- ret = -EINVAL;
- else
- local->conf.tx_power_reduction = value;
- break;
-
- case PRISM2_PARAM_EAPOL:
- sdata->eapol = value;
- break;
-
- case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
- local->key_tx_rx_threshold = value;
- break;
-
- case PRISM2_PARAM_KEY_INDEX:
- if (value < 0 || value >= NUM_DEFAULT_KEYS)
- ret = -EINVAL;
- else if (sdata->keys[value] == NULL)
- ret = -ENOENT;
- else
- sdata->default_key = sdata->keys[value];
- break;
-
- case PRISM2_PARAM_DEFAULT_WEP_ONLY:
- ret = ieee80211_ioctl_default_wep_only(local, value);
- break;
-
- case PRISM2_PARAM_WIFI_WME_NOACK_TEST:
- local->wifi_wme_noack_test = value;
- break;
-
-
-
- case PRISM2_PARAM_ALLOW_BROADCAST_ALWAYS:
- local->allow_broadcast_always = value;
- break;
-
- case PRISM2_PARAM_SCAN_FLAGS:
- local->scan_flags = value;
- break;
-
- case PRISM2_PARAM_MIXED_CELL:
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- ret = -EINVAL;
- else
- sdata->u.sta.mixed_cell = !!value;
- break;
-
- case PRISM2_PARAM_KEY_MGMT:
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- ret = -EINVAL;
- else
- sdata->u.sta.key_mgmt = value;
- break;
-
- case PRISM2_PARAM_HW_MODES:
- local->hw_modes = value;
- break;
-
- case PRISM2_PARAM_CREATE_IBSS:
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- ret = -EINVAL;
- else
- sdata->u.sta.create_ibss = !!value;
- break;
- case PRISM2_PARAM_WMM_ENABLED:
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- ret = -EINVAL;
- else
- sdata->u.sta.wmm_enabled = !!value;
- break;
- case PRISM2_PARAM_RADAR_DETECT:
- local->conf.radar_detect = value;
- break;
- case PRISM2_PARAM_SPECTRUM_MGMT:
- local->conf.spect_mgmt = value;
- break;
- default:
- ret = -EOPNOTSUPP;
- break;
- }
-
- return ret;
-}
-
-
-static int ieee80211_ioctl_get_prism2_param(struct net_device *dev,
- struct iw_request_info *info,
- void *wrqu, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sub_if_data *sdata;
- int *param = (int *) extra;
- int ret = 0;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- switch (*param) {
- case PRISM2_PARAM_BEACON_INT:
- *param = local->conf.beacon_int;
- break;
-
- case PRISM2_PARAM_AP_BRIDGE_PACKETS:
- *param = local->bridge_packets;
- break;
-
- case PRISM2_PARAM_AP_AUTH_ALGS:
- if (sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
- *param = sdata->u.sta.auth_algs;
- } else
- ret = -EOPNOTSUPP;
- break;
-
- case PRISM2_PARAM_DTIM_PERIOD:
- if (sdata->type != IEEE80211_SUB_IF_TYPE_NORM)
- ret = -ENOENT;
- else
- *param = sdata->u.norm.dtim_period;
- break;
-
- case PRISM2_PARAM_IEEE_802_1X:
- *param = sdata->ieee802_1x;
- break;
-
- case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
- *param = local->cts_protect_erp_frames;
- break;
-
- case PRISM2_PARAM_DROP_UNENCRYPTED:
- *param = sdata->drop_unencrypted;
- break;
-
- case PRISM2_PARAM_PREAMBLE:
- *param = local->short_preamble;
- break;
-
- case PRISM2_PARAM_RATE_LIMIT_BURST:
- *param = local->rate_limit_burst;
- break;
-
- case PRISM2_PARAM_RATE_LIMIT:
- *param = local->rate_limit;
- break;
-
- case PRISM2_PARAM_STAT_TIME:
- *param = local->stat_time;
- break;
- case PRISM2_PARAM_SHORT_SLOT_TIME:
- *param = local->conf.short_slot_time;
- break;
-
- case PRISM2_PARAM_NEXT_MODE:
- *param = local->next_mode;
- break;
-
- case PRISM2_PARAM_ANTENNA_SEL:
- *param = local->conf.antenna_sel;
- break;
-
- case PRISM2_PARAM_CALIB_INT:
- *param = local->conf.calib_int;
- break;
-
- case PRISM2_PARAM_ANTENNA_MODE:
- *param = local->conf.antenna_mode;
- break;
-
- case PRISM2_PARAM_BROADCAST_SSID:
- *param = local->conf.ssid_hidden;
- break;
-
- case PRISM2_PARAM_STA_ANTENNA_SEL:
- *param = local->sta_antenna_sel;
- break;
-
- case PRISM2_PARAM_RATE_CTRL_NUM_UP:
- *param = local->rate_ctrl_num_up;
- break;
-
- case PRISM2_PARAM_RATE_CTRL_NUM_DOWN:
- *param = local->rate_ctrl_num_down;
- break;
-
- case PRISM2_PARAM_TX_POWER_REDUCTION:
- *param = local->conf.tx_power_reduction;
- break;
-
- case PRISM2_PARAM_EAPOL:
- *param = sdata->eapol;
- break;
-
- case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
- *param = local->key_tx_rx_threshold;
- break;
-
- case PRISM2_PARAM_KEY_INDEX:
- if (sdata->default_key == NULL)
- ret = -ENOENT;
- else if (sdata->default_key == sdata->keys[0])
- *param = 0;
- else if (sdata->default_key == sdata->keys[1])
- *param = 1;
- else if (sdata->default_key == sdata->keys[2])
- *param = 2;
- else if (sdata->default_key == sdata->keys[3])
- *param = 3;
- else
- ret = -ENOENT;
- break;
-
- case PRISM2_PARAM_DEFAULT_WEP_ONLY:
- *param = local->default_wep_only;
- break;
-
- case PRISM2_PARAM_WIFI_WME_NOACK_TEST:
- *param = local->wifi_wme_noack_test;
- break;
-
-
-
- case PRISM2_PARAM_ALLOW_BROADCAST_ALWAYS:
- *param = local->allow_broadcast_always;
- break;
-
- case PRISM2_PARAM_SCAN_FLAGS:
- *param = local->scan_flags;
- break;
-
- case PRISM2_PARAM_HW_MODES:
- *param = local->hw_modes;
- break;
-
- case PRISM2_PARAM_CREATE_IBSS:
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- ret = -EINVAL;
- else
- *param = !!sdata->u.sta.create_ibss;
- break;
-
- case PRISM2_PARAM_MIXED_CELL:
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- ret = -EINVAL;
- else
- *param = !!sdata->u.sta.mixed_cell;
- break;
-
- case PRISM2_PARAM_KEY_MGMT:
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- ret = -EINVAL;
- else
- *param = sdata->u.sta.key_mgmt;
- break;
- case PRISM2_PARAM_WMM_ENABLED:
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- ret = -EINVAL;
- else
- *param = !!sdata->u.sta.wmm_enabled;
- break;
-
- default:
- ret = -EOPNOTSUPP;
- break;
- }
-
- return ret;
-}
-
-
-static int ieee80211_ioctl_test_param(struct net_device *dev,
- struct iw_request_info *info,
- void *wrqu, char *extra)
-{
- struct ieee80211_local *local = dev->priv;
- int *i = (int *) extra;
- int param = *i;
- int value = *(i + 1);
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- if (local->hw->test_param)
- return local->hw->test_param(local->mdev, param, value);
-
- return -EOPNOTSUPP;
-}
-
-
-static const struct iw_priv_args ieee80211_ioctl_priv[] = {
- { PRISM2_IOCTL_PRISM2_PARAM,
- IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "param" },
- { PRISM2_IOCTL_GET_PRISM2_PARAM,
- IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
- IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_param" },
- { PRISM2_IOCTL_TEST_PARAM,
- IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "test_param" },
-};
-
-
-static int ieee80211_ioctl_giwpriv(struct net_device *dev,
- struct iw_point *data)
-{
-
- if (!data->pointer ||
- !access_ok(VERIFY_WRITE, data->pointer,
- sizeof(ieee80211_ioctl_priv)))
- return -EINVAL;
-
- data->length = sizeof(ieee80211_ioctl_priv) /
- sizeof(ieee80211_ioctl_priv[0]);
- if (copy_to_user(data->pointer, ieee80211_ioctl_priv,
- sizeof(ieee80211_ioctl_priv)))
- return -EINVAL;
- return 0;
-}
-
-
-int ieee80211_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
- struct iwreq *wrq = (struct iwreq *) rq;
- int ret = 0;
- char ssid[IW_ESSID_MAX_SIZE + 1];
-
- switch (cmd) {
- case SIOCGIWNAME:
- ret = ieee80211_ioctl_giwname(dev, NULL, (char *) &wrq->u,
- NULL);
- break;
- case SIOCSIWESSID:
- if (!wrq->u.essid.pointer)
- ret = -EINVAL;
- else if (wrq->u.essid.length > IW_ESSID_MAX_SIZE)
- ret = -E2BIG;
- else {
- if (copy_from_user(ssid, wrq->u.essid.pointer,
- wrq->u.essid.length)) {
- ret = -EFAULT;
- break;
- }
- ret = ieee80211_ioctl_siwessid(dev, NULL,
- &wrq->u.essid, ssid);
- }
- break;
- case SIOCGIWESSID:
- if (!wrq->u.essid.pointer) {
- ret = -EINVAL;
- } else {
- memset(ssid, 0, IW_ESSID_MAX_SIZE + 1);
- ret = ieee80211_ioctl_giwessid(dev, NULL,
- &wrq->u.essid, ssid);
- if (copy_to_user(wrq->u.essid.pointer, ssid,
- wrq->u.essid.length)) {
- ret = -EFAULT;
- break;
- }
- }
- break;
-
- case SIOCGIWRANGE:
- {
- struct iw_range range;
- if (!access_ok(VERIFY_WRITE, wrq->u.data.pointer,
- sizeof(range))) {
- ret = -EFAULT;
- break;
- }
- ret = ieee80211_ioctl_giwrange(dev, NULL, &wrq->u.data,
- (char *) &range);
- if (ret)
- break;
- if (copy_to_user(wrq->u.data.pointer, &range, sizeof(range)))
- ret = -EFAULT;
- break;
- }
-
- case SIOCSIWAP:
- ret = ieee80211_ioctl_siwap(dev, NULL, &wrq->u.ap_addr, NULL);
- break;
- case SIOCGIWAP:
- ret = ieee80211_ioctl_giwap(dev, NULL, &wrq->u.ap_addr, NULL);
- break;
- case SIOCSIWSCAN:
- ret = ieee80211_ioctl_siwscan(dev, NULL, &wrq->u.data, NULL);
- break;
- case SIOCGIWSCAN:
- {
- char *buf = kmalloc(IW_SCAN_MAX_DATA, GFP_KERNEL);
- if (buf == NULL) {
- ret = -ENOMEM;
- break;
- }
- ret = ieee80211_ioctl_giwscan(dev, NULL, &wrq->u.data, buf);
- if (ret == 0 &&
- copy_to_user(wrq->u.data.pointer, buf, wrq->u.data.length))
- ret = -EFAULT;
- kfree(buf);
- break;
- }
-
- case SIOCSIWFREQ:
- ret = ieee80211_ioctl_siwfreq(dev, NULL, &wrq->u.freq, NULL);
- break;
- case SIOCGIWFREQ:
- ret = ieee80211_ioctl_giwfreq(dev, NULL, &wrq->u.freq, NULL);
- break;
- case SIOCSIWMODE:
- ret = ieee80211_ioctl_siwmode(dev, NULL, &wrq->u.mode, NULL);
- break;
- case SIOCGIWMODE:
- ret = ieee80211_ioctl_giwmode(dev, NULL, &wrq->u.mode, NULL);
- break;
-
- case SIOCSIWRTS:
- ret = ieee80211_ioctl_siwrts(dev, NULL, &wrq->u.rts, NULL);
- break;
- case SIOCGIWRTS:
- ret = ieee80211_ioctl_giwrts(dev, NULL, &wrq->u.rts, NULL);
- break;
-
- case SIOCSIWFRAG:
- ret = ieee80211_ioctl_siwfrag(dev, NULL, &wrq->u.frag, NULL);
- break;
- case SIOCGIWFRAG:
- ret = ieee80211_ioctl_giwfrag(dev, NULL, &wrq->u.frag, NULL);
- break;
-
- case SIOCSIWRETRY:
- ret = ieee80211_ioctl_siwretry(dev, NULL, &wrq->u.retry, NULL);
- break;
- case SIOCGIWRETRY:
- ret = ieee80211_ioctl_giwretry(dev, NULL, &wrq->u.retry, NULL);
- break;
-
- case PRISM2_IOCTL_PRISM2_PARAM:
- ret = ieee80211_ioctl_prism2_param(dev, NULL, &wrq->u,
- (char *) &wrq->u);
- break;
- case PRISM2_IOCTL_GET_PRISM2_PARAM:
- ret = ieee80211_ioctl_get_prism2_param(dev, NULL, &wrq->u,
- (char *) &wrq->u);
- break;
- case PRISM2_IOCTL_TEST_PARAM:
- ret = ieee80211_ioctl_test_param(dev, NULL, &wrq->u,
- (char *) &wrq->u);
- break;
- case PRISM2_IOCTL_HOSTAPD:
- if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
- else ret = ieee80211_ioctl_priv_hostapd(dev, &wrq->u.data);
- break;
- case SIOCGIWPRIV:
- ret = ieee80211_ioctl_giwpriv(dev, &wrq->u.data);
- break;
- default:
- ret = -EOPNOTSUPP;
- break;
- }
-
- return ret;
-}
+++ /dev/null
-/*
- * Copyright 2002-2004, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef IEEE80211_KEY_H
-#define IEEE80211_KEY_H
-
-/* ALG_TKIP
- * struct ieee80211_key::key is encoded as a 256-bit (32 byte) data block:
- * Temporal Encryption Key (128 bits)
- * Temporal Authenticator Tx MIC Key (64 bits)
- * Temporal Authenticator Rx MIC Key (64 bits)
- */
-
-#define WEP_IV_LEN 4
-#define WEP_ICV_LEN 4
-
-#define ALG_TKIP_KEY_LEN 32
-/* Starting offsets for each key */
-#define ALG_TKIP_TEMP_ENCR_KEY 0
-#define ALG_TKIP_TEMP_AUTH_TX_MIC_KEY 16
-#define ALG_TKIP_TEMP_AUTH_RX_MIC_KEY 24
-#define TKIP_IV_LEN 8
-#define TKIP_ICV_LEN 4
-
-#define ALG_CCMP_KEY_LEN 16
-#define CCMP_HDR_LEN 8
-#define CCMP_MIC_LEN 8
-#define CCMP_TK_LEN 16
-#define CCMP_PN_LEN 6
-
-#define NUM_RX_DATA_QUEUES 17
-
-struct ieee80211_key {
- int hw_key_idx; /* filled and used by low-level driver */
- ieee80211_key_alg alg;
- union {
- struct {
- /* last used TSC */
- u32 iv32;
- u16 iv16;
- u16 p1k[5];
- int tx_initialized;
-
- /* last received RSC */
- u32 iv32_rx[NUM_RX_DATA_QUEUES];
- u16 iv16_rx[NUM_RX_DATA_QUEUES];
- u16 p1k_rx[NUM_RX_DATA_QUEUES][5];
- int rx_initialized[NUM_RX_DATA_QUEUES];
- } tkip;
- struct {
- u8 tx_pn[6];
- /* TODO: for WME make this replay counter per AC */
- u8 rx_pn[NUM_RX_DATA_QUEUES][6];
-#ifndef AES_STATE_LEN
-#define AES_STATE_LEN 44
-#endif
- u32 aes_state[AES_STATE_LEN];
- u32 replays; /* dot11RSNAStatsCCMPReplays */
- } ccmp;
- } u;
- int tx_rx_count; /* number of times this key has been used */
- int keylen;
-
- /* if the low level driver can provide hardware acceleration it should
- * clear this flag */
- int force_sw_encrypt:1;
- int keyidx:8; /* WEP key index */
- int default_tx_key:1; /* This key is the new default TX key
- * (used only for broadcast keys). */
-
- u8 key[0];
-};
-
-#endif /* IEEE80211_KEY_H */
+++ /dev/null
-/*
- * Copyright 2002-2004, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/config.h>
-#include <linux/netdevice.h>
-#include <linux/types.h>
-
-#ifdef CONFIG_OAP_LEDS_WLAN
-extern void leds_wlan_set(int unit, int tx, int state);
-#endif
-
-void ieee80211_rx_led(int state, struct net_device *dev) {
-#ifdef CONFIG_OAP_LEDS_WLAN
- static unsigned int count = 0;
-
- if (state == 2) {
- leds_wlan_set(0, 0, (++count) & 1);
- }
-#endif
-}
-
-void ieee80211_tx_led(int state, struct net_device *dev) {
-#ifdef CONFIG_OAP_LEDS_WLAN
- leds_wlan_set(0, 1, state);
-#endif
-}
-
+++ /dev/null
-/*
- * Copyright 2003-2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/module.h>
-#include <linux/netdevice.h>
-#include <linux/proc_fs.h>
-#include <linux/delay.h>
-
-#ifdef CONFIG_PROC_FS
-
-#include <net/ieee80211.h>
-#include <net/ieee80211_common.h>
-#include <net/ieee80211_mgmt.h>
-#include "ieee80211_i.h"
-#include "sta_info.h"
-#include "ieee80211_proc.h"
-#include "rate_control.h"
-
-
-static struct proc_dir_entry *ieee80211_proc;
-
-#define PROC_LIMIT (PAGE_SIZE - 80)
-
-
-static char * ieee80211_proc_key(char *p, struct ieee80211_key *key,
- int idx, int def_key)
-{
- int i;
- u8 *tpn, *rpn;
-
- if (!key)
- return p;
-
- p += sprintf(p, "key[%d]%s len=%d sw_encrypt=%d idx=%d hwidx=%d "
- "tx_rx_count=%d",
- idx, def_key ? "*" : "", key->keylen,
- key->force_sw_encrypt, key->keyidx, key->hw_key_idx,
- key->tx_rx_count);
- switch (key->alg) {
- case ALG_WEP:
- p += sprintf(p, " alg=WEP");
- break;
- case ALG_TKIP:
- p += sprintf(p, " alg=TKIP iv(tx)=%08x %04x",
- key->u.tkip.iv32, key->u.tkip.iv16);
- for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
- if (key->u.tkip.iv32_rx[i] == 0 &&
- key->u.tkip.iv16_rx[i] == 0)
- continue;
- p += sprintf(p, " iv(rx %d)=%08x %04x", i,
- key->u.tkip.iv32_rx[i],
- key->u.tkip.iv16_rx[i]);
- }
- break;
- case ALG_CCMP:
- tpn = key->u.ccmp.tx_pn;
- p += sprintf(p, " alg=CCMP PN(tx)=%02x%02x%02x%02x%02x%02x",
- tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]);
- for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
- rpn = key->u.ccmp.rx_pn[i];
- if (memcmp(rpn, "\x00\x00\x00\x00\x00\x00", 6) == 0)
- continue;
- p += sprintf(p, " PN(rx %d)=%02x%02x%02x%02x%02x%02x",
- i, rpn[0], rpn[1], rpn[2], rpn[3], rpn[4],
- rpn[5]);
- }
- p += sprintf(p, " replays=%u", key->u.ccmp.replays);
- break;
- default:
- break;
- }
-
- p += sprintf(p, " key=");
- for (i = 0; i < key->keylen; i++)
- p += sprintf(p, "%02x", key->key[i]);
- p += sprintf(p, "\n");
- return p;
-}
-
-
-static char * ieee80211_proc_sub_if_norm(char *p,
- struct ieee80211_if_norm *norm)
-{
- p += sprintf(p, "type=norm\n");
- if (norm->beacon_head)
- p += sprintf(p, "beacon_head_len=%d\n", norm->beacon_head_len);
- if (norm->beacon_tail)
- p += sprintf(p, "beacon_tail_len=%d\n", norm->beacon_tail_len);
- p += sprintf(p,
- "max_aid=%d\n"
- "num_sta_ps=%d\n"
- "num_buffered_multicast=%u\n"
- "dtim_period=%d\n"
- "dtim_count=%d\n"
- "num_beacons=%d\n"
- "force_unicast_rateidx=%d\n"
- "max_ratectrl_rateidx=%d\n",
- norm->max_aid, atomic_read(&norm->num_sta_ps),
- skb_queue_len(&norm->ps_bc_buf),
- norm->dtim_period, norm->dtim_count, norm->num_beacons,
- norm->force_unicast_rateidx, norm->max_ratectrl_rateidx);
- return p;
-}
-
-
-static char * ieee80211_proc_sub_if_sta(char *p,
- struct ieee80211_if_sta *ifsta)
-{
- p += sprintf(p, "type=sta\n");
- p += sprintf(p,
- "state=%d\n"
- "bssid=" MACSTR "\n"
- "prev_bssid=" MACSTR "\n"
- "ssid_len=%zd\n"
- "aid=%d\n"
- "ap_capab=0x%x\n"
- "capab=0x%x\n"
- "extra_ie_len=%zd\n"
- "auth_tries=%d\n"
- "assoc_tries=%d\n"
- "flags=%s%s%s%s%s%s%s\n"
- "auth_algs=0x%x\n"
- "auth_alg=%d\n"
- "auth_transaction=%d\n",
- ifsta->state,
- MAC2STR(ifsta->bssid),
- MAC2STR(ifsta->prev_bssid),
- ifsta->ssid_len,
- ifsta->aid,
- ifsta->ap_capab,
- ifsta->capab,
- ifsta->extra_ie_len,
- ifsta->auth_tries,
- ifsta->assoc_tries,
- ifsta->ssid_set ? "[SSID]" : "",
- ifsta->bssid_set ? "[BSSID]" : "",
- ifsta->prev_bssid_set ? "[prev BSSID" : "",
- ifsta->authenticated ? "[AUTH]" : "",
- ifsta->associated ? "[ASSOC]" : "",
- ifsta->probereq_poll ? "[PROBEREQ POLL]" : "",
- ifsta->use_protection ? "[CTS prot]" : "",
- ifsta->auth_algs,
- ifsta->auth_alg,
- ifsta->auth_transaction);
- return p;
-}
-
-
-static char * ieee80211_proc_sub_if(char *p,
- struct ieee80211_sub_if_data *sdata)
-{
- if (sdata == NULL)
- return p;
-
- if (sdata->bss)
- p += sprintf(p, "bss=%p\n", sdata->bss);
-
- switch (sdata->type) {
- case IEEE80211_SUB_IF_TYPE_NORM:
- p = ieee80211_proc_sub_if_norm(p, &sdata->u.norm);
- break;
- case IEEE80211_SUB_IF_TYPE_WDS:
- p += sprintf(p, "type=wds\n");
- p += sprintf(p, "wds.peer=" MACSTR "\n",
- MAC2STR(sdata->u.wds.remote_addr));
- break;
- case IEEE80211_SUB_IF_TYPE_VLAN:
- p += sprintf(p, "type=vlan\n");
- p += sprintf(p, "vlan.id=%d\n", sdata->u.vlan.id);
- break;
- case IEEE80211_SUB_IF_TYPE_STA:
- p = ieee80211_proc_sub_if_sta(p, &sdata->u.sta);
- break;
- }
- p += sprintf(p, "channel_use=%d\n", sdata->channel_use);
- p += sprintf(p, "drop_unencrypted=%d\n", sdata->drop_unencrypted);
- p += sprintf(p, "eapol=%d\n", sdata->eapol);
- p += sprintf(p, "ieee802_1x=%d\n", sdata->ieee802_1x);
-
- return p;
-}
-
-
-static int ieee80211_proc_iface_read(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- char *p = page;
- struct net_device *dev = (struct net_device *) data;
- struct ieee80211_sub_if_data *sdata;
- int i;
-
- if (off != 0) {
- *eof = 1;
- return 0;
- }
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (!sdata)
- return -1;
-
- p = ieee80211_proc_sub_if(p, sdata);
-
- for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
- if (sdata->keys[i] == NULL)
- continue;
-
- p = ieee80211_proc_key(p, sdata->keys[i], i,
- sdata->keys[i] == sdata->default_key);
- }
-
- return (p - page);
-}
-
-
-static int ieee80211_proc_sta_read(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- char *p = page;
- struct sta_info *sta = (struct sta_info *) data;
- struct ieee80211_local *local;
- int inactive, i;
-
- if (off != 0) {
- *eof = 1;
- return 0;
- }
-
- if (!sta || !sta->dev)
- return -1;
-
- p += sprintf(p, "users=%d\n", atomic_read(&sta->users));
- p += sprintf(p, "aid=%d\n", sta->aid);
- p += sprintf(p, "flags=0x%x %s%s%s%s%s%s%s%s%s%s\n", sta->flags,
- sta->flags & WLAN_STA_AUTH ? "[AUTH]" : "",
- sta->flags & WLAN_STA_ASSOC ? "[ASSOC]" : "",
- sta->flags & WLAN_STA_PS ? "[PS]" : "",
- sta->flags & WLAN_STA_TIM ? "[TIM]" : "",
- sta->flags & WLAN_STA_PERM ? "[PERM]" : "",
- sta->flags & WLAN_STA_AUTHORIZED ? "[AUTHORIZED]" : "",
- sta->flags & WLAN_STA_SHORT_PREAMBLE ?
- "[SHORT PREAMBLE]" : "",
- sta->flags & WLAN_STA_WME ? "[WME]" : "",
- sta->flags & WLAN_STA_WDS ? "[WDS]" : "",
- sta->flags & WLAN_STA_XR ? "[XR]" : "");
- p += sprintf(p, "key_idx_compression=%d\n",
- sta->key_idx_compression);
- p += sprintf(p, "dev=%s\n", sta->dev->name);
- if (sta->vlan_id > 0)
- p += sprintf(p, "vlan_id=%d\n", sta->vlan_id);
- p += sprintf(p, "rx_packets=%lu\ntx_packets=%lu\nrx_bytes=%lu\n"
- "tx_bytes=%lu\nrx_duplicates=%lu\nrx_fragments=%lu\n"
- "rx_dropped=%lu\ntx_fragments=%lu\ntx_filtered=%lu\n",
- sta->rx_packets, sta->tx_packets,
- sta->rx_bytes, sta->tx_bytes,
- sta->num_duplicates, sta->rx_fragments, sta->rx_dropped,
- sta->tx_fragments, sta->tx_filtered_count);
- p = ieee80211_proc_key(p, sta->key, 0, 1);
-
- local = (struct ieee80211_local *) sta->dev->priv;
- if (sta->txrate >= 0 && sta->txrate < local->num_curr_rates) {
- p += sprintf(p, "txrate=%d\n",
- local->curr_rates[sta->txrate].rate);
- }
- if (sta->last_txrate >= 0 &&
- sta->last_txrate < local->num_curr_rates) {
- p += sprintf(p, "last_txrate=%d\n",
- local->curr_rates[sta->last_txrate].rate);
- }
- p += sprintf(p, "num_ps_buf_frames=%u\n",
- skb_queue_len(&sta->ps_tx_buf));
- p += sprintf(p, "tx_retry_failed=%lu\n", sta->tx_retry_failed);
- p += sprintf(p, "tx_retry_count=%lu\n", sta->tx_retry_count);
- p += sprintf(p, "last_rssi=%d\n", sta->last_rssi);
- p += sprintf(p, "last_ack_rssi=%d %d %d\n",
- sta->last_ack_rssi[0], sta->last_ack_rssi[1],
- sta->last_ack_rssi[2]);
- if (sta->last_ack)
- p += sprintf(p, "last_ack_ms=%d\n",
- jiffies_to_msecs(jiffies - sta->last_ack));
- inactive = jiffies - sta->last_rx;
- p += sprintf(p, "inactive_msec=%d\n", jiffies_to_msecs(inactive));
- p += sprintf(p, "channel_use=%d\n", sta->channel_use);
- p += sprintf(p, "wep_weak_iv_count=%d\n", sta->wep_weak_iv_count);
-#ifdef CONFIG_IEEE80211_DEBUG_COUNTERS
- p += sprintf(p, "wme_rx_queue=");
- for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
- p += sprintf(p, "%u ", sta->wme_rx_queue[i]);
- p += sprintf(p, "\n");
-
- p += sprintf(p, "wme_tx_queue=");
- for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
- p += sprintf(p, "%u ", sta->wme_tx_queue[i]);
- p += sprintf(p, "\n");
-#endif /* CONFIG_IEEE80211_DEBUG_COUNTERS */
- p += sprintf(p, "last_seq_ctrl=");
- for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
- p += sprintf(p, "%x ", sta->last_seq_ctrl[i]);
- }
- p += sprintf(p, "\n");
-
- p += rate_control_status_sta(local, sta, p);
-
- return (p - page);
-}
-
-
-static int ieee80211_proc_counters_read(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- char *p = page;
- struct ieee80211_local *local = (struct ieee80211_local *) data;
- struct ieee80211_low_level_stats stats;
-
- if (off != 0) {
- *eof = 1;
- return 0;
- }
-
- p += sprintf(p,
- "TransmittedFragmentCount=%u\n"
- "MulticastTransmittedFrameCount=%u\n"
- "FailedCount=%u\n"
- "RetryCount=%u\n"
- "MultipleRetryCount=%d\n"
- "FrameDuplicateCount=%d\n"
- "ReceivedFragmentCount=%u\n"
- "MulticastReceivedFrameCount=%u\n"
- "TransmittedFrameCount=%u\n"
- "WEPUndecryptableCount=%u\n",
- local->dot11TransmittedFragmentCount,
- local->dot11MulticastTransmittedFrameCount,
- local->dot11FailedCount,
- local->dot11RetryCount,
- local->dot11MultipleRetryCount,
- local->dot11FrameDuplicateCount,
- local->dot11ReceivedFragmentCount,
- local->dot11MulticastReceivedFrameCount,
- local->dot11TransmittedFrameCount,
- local->dot11WEPUndecryptableCount);
-
- memset(&stats, 0, sizeof(stats));
- if (local->hw->get_stats &&
- local->hw->get_stats(local->mdev, &stats) == 0) {
- p += sprintf(p,
- "ACKFailureCount=%u\n"
- "RTSFailureCount=%u\n"
- "FCSErrorCount=%u\n"
- "RTSSuccessCount=%u\n",
- stats.dot11ACKFailureCount,
- stats.dot11RTSFailureCount,
- stats.dot11FCSErrorCount,
- stats.dot11RTSSuccessCount);
- }
-
- return (p - page);
-}
-
-
-static int ieee80211_proc_debug_read(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- char *p = page;
- struct ieee80211_local *local = (struct ieee80211_local *) data;
- int i;
-
- if (off != 0) {
- *eof = 1;
- return 0;
- }
-
-#ifdef CONFIG_IEEE80211_DEBUG_COUNTERS
- p += sprintf(p,
- "tx_handlers_drop=%u\n"
- "tx_handlers_queued=%u\n"
- "tx_handlers_drop_unencrypted=%u\n"
- "tx_handlers_drop_fragment=%u\n"
- "tx_handlers_drop_wep=%u\n"
- "tx_handlers_drop_rate_limit=%u\n"
- "tx_handlers_drop_not_assoc=%u\n"
- "tx_handlers_drop_unauth_port=%u\n"
- "rx_handlers_drop=%u\n"
- "rx_handlers_queued=%u\n"
- "rx_handlers_drop_nullfunc=%u\n"
- "rx_handlers_drop_defrag=%u\n"
- "rx_handlers_drop_short=%u\n"
- "rx_handlers_drop_passive_scan=%u\n"
- "tx_expand_skb_head=%u\n"
- "tx_expand_skb_head_cloned=%u\n"
- "rx_expand_skb_head=%u\n"
- "rx_expand_skb_head2=%u\n"
- "rx_handlers_fragments=%u\n"
- "tx_status_drop=%u\n",
- local->tx_handlers_drop,
- local->tx_handlers_queued,
- local->tx_handlers_drop_unencrypted,
- local->tx_handlers_drop_fragment,
- local->tx_handlers_drop_wep,
- local->tx_handlers_drop_rate_limit,
- local->tx_handlers_drop_not_assoc,
- local->tx_handlers_drop_unauth_port,
- local->rx_handlers_drop,
- local->rx_handlers_queued,
- local->rx_handlers_drop_nullfunc,
- local->rx_handlers_drop_defrag,
- local->rx_handlers_drop_short,
- local->rx_handlers_drop_passive_scan,
- local->tx_expand_skb_head,
- local->tx_expand_skb_head_cloned,
- local->rx_expand_skb_head,
- local->rx_expand_skb_head2,
- local->rx_handlers_fragments,
- local->tx_status_drop);
- {
- int i;
- p += sprintf(p, "wme_rx_queue=");
- for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
- p += sprintf(p, " %u", local->wme_rx_queue[i]);
- p += sprintf(p, "\n");
-
- p += sprintf(p, "wme_tx_queue=");
- for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
- p += sprintf(p, " %u", local->wme_tx_queue[i]);
- p += sprintf(p, "\n");
- }
-#endif /* CONFIG_IEEE80211_DEBUG_COUNTERS */
-
- p += sprintf(p, "num_scans=%u\n", local->scan.num_scans);
-
- p += sprintf(p,
- "conf.bss_count=%d\n"
- "bss_dev_count=%u\n",
- local->conf.bss_count, local->bss_dev_count);
- for (i = 0; i < local->conf.bss_count; i++) {
- p += sprintf(p, "bss_dev[%d]=%p (%s)\n",
- i, local->bss_devs[i],
- (i < local->bss_dev_count && local->bss_devs[i]) ?
- local->bss_devs[i]->name : "N/A");
- }
-
- return (p - page);
-}
-
-
-static const char * ieee80211_mode_str_short(int mode)
-{
- switch (mode) {
- case MODE_IEEE80211A:
- return "802.11a";
- case MODE_IEEE80211B:
- return "802.11b";
- case MODE_IEEE80211G:
- return "802.11g";
- case MODE_ATHEROS_TURBO:
- return "AtherosTurbo";
- default:
- return "UNKNOWN";
- }
-}
-
-
-static const char * ieee80211_mode_str(int mode)
-{
- switch (mode) {
- case MODE_IEEE80211A:
- return "IEEE 802.11a";
- case MODE_IEEE80211B:
- return "IEEE 802.11b";
- case MODE_IEEE80211G:
- return "IEEE 802.11g";
- case MODE_ATHEROS_TURBO:
- return "Atheros Turbo (5 GHz)";
- default:
- return "UNKNOWN";
- }
-}
-
-
-static int ieee80211_proc_info_read(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- char *p = page;
- struct ieee80211_local *local = (struct ieee80211_local *) data;
- int m;
- struct ieee80211_hw_modes *mode;
-
- if (off != 0) {
- *eof = 1;
- return 0;
- }
-
- p += sprintf(p, "hw_name=%s\n", local->hw->name);
- p += sprintf(p, "modes=");
- for (m = 0; m < local->hw->num_modes; m++) {
- mode = &local->hw->modes[m];
- p += sprintf(p, "[%s]", ieee80211_mode_str_short(mode->mode));
- }
- p += sprintf(p, "\n");
- if (local->rate_ctrl && local->rate_ctrl_priv)
- p+= sprintf(p, "rate_ctrl_alg=%s\n", local->rate_ctrl->name);
- return (p - page);
-}
-
-
-static int ieee80211_proc_config_read(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- char *p = page;
- struct ieee80211_local *local = (struct ieee80211_local *) data;
-
- if (off != 0) {
- *eof = 1;
- return 0;
- }
-
- p += sprintf(p,
- "low_level_driver=%s\n"
- "channel=%d\n"
- "freq=%d\n"
- "mode=%s\n"
- "802.11h=%d\n"
- "wep_iv=0x%06x\n"
- "antenna_sel=%d\n"
- "calib_int=%d\n"
- "tx_power_reduction=%d.%d dBm\n"
- "bridge_packets=%d\n"
- "key_tx_rx_threshold=%d\n"
- "rts_threshold=%d\n"
- "fragmentation_threshold=%d\n"
- "short_retry_limit=%d\n"
- "long_retry_limit=%d\n"
- "total_ps_buffered=%d\n",
- local->hw->name ? local->hw->name : "N/A",
- local->conf.channel,
- local->conf.freq,
- ieee80211_mode_str(local->conf.phymode),
- local->conf.radar_detect,
- local->wep_iv & 0xffffff,
- local->conf.antenna_sel,
- local->conf.calib_int,
- local->conf.tx_power_reduction / 10,
- local->conf.tx_power_reduction % 10,
- local->bridge_packets,
- local->key_tx_rx_threshold,
- local->rts_threshold,
- local->fragmentation_threshold,
- local->short_retry_limit,
- local->long_retry_limit,
- local->total_ps_buffered);
-
- return (p - page);
-}
-
-
-static int ieee80211_proc_channels_read(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- char *p = page;
- struct ieee80211_local *local = (struct ieee80211_local *) data;
- int m, c;
- struct ieee80211_hw_modes *mode;
- struct ieee80211_channel *chan;
-
- if (off != 0) {
- *eof = 1;
- return 0;
- }
-
- p += sprintf(p, "MODE CHAN FREQ TXPOWER ANTMAX FLAGS\n");
- for (m = 0; m < local->hw->num_modes; m++) {
- mode = &local->hw->modes[m];
- for (c = 0; c < mode->num_channels; c++) {
- chan = &mode->channels[c];
- p += sprintf(p, "%d %d %d %d %d %s%s%s\n",
- mode->mode, chan->chan, chan->freq,
- chan->power_level, chan->antenna_max,
- chan->flag & IEEE80211_CHAN_W_SCAN ?
- "[W_SCAN]" : "",
- chan->flag & IEEE80211_CHAN_W_ACTIVE_SCAN
- ? "[W_ACTIVE_SCAN]" : "",
- chan->flag & IEEE80211_CHAN_W_IBSS ?
- "[W_IBSS]" : "");
- }
- }
- return (p - page);
-}
-
-
-static int ieee80211_proc_rates_read(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- char *p = page;
- struct ieee80211_local *local = (struct ieee80211_local *) data;
- int r;
- struct ieee80211_rate *rate;
-
- if (off != 0) {
- *eof = 1;
- return 0;
- }
-
- p += sprintf(p, "RATE VAL VAL2 MIN_RSSI_ACK MIN_RSSI_ACK_DELTA "
- "FLAGS\n");
- for (r = 0; r < local->num_curr_rates; r++) {
- rate = &local->curr_rates[r];
- p += sprintf(p, "%d %d %d %d %d 0x%x %s%s%s%s%s%s%s%s\n",
- rate->rate, rate->val, rate->val2,
- rate->min_rssi_ack, rate->min_rssi_ack_delta,
- rate->flags,
- rate->flags & IEEE80211_RATE_ERP ? "[ERP]" : "",
- rate->flags & IEEE80211_RATE_BASIC ?
- "[BASIC]" : "",
- rate->flags & IEEE80211_RATE_PREAMBLE2 ?
- "[PREAMBLE2]" : "",
- rate->flags & IEEE80211_RATE_SUPPORTED ?
- "[SUPPORTED]" : "",
- rate->flags & IEEE80211_RATE_OFDM ? "[OFDM]" : "",
- rate->flags & IEEE80211_RATE_CCK ? "[CCK]" : "",
- rate->flags & IEEE80211_RATE_TURBO ?
- "[TURBO]" : "",
- rate->flags & IEEE80211_RATE_MANDATORY ?
- "[MANDATORY]" : "");
- }
- return (p - page);
-}
-
-
-static int ieee80211_proc_multicast_read(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- char *p = page;
- struct ieee80211_local *local = (struct ieee80211_local *) data;
-
- if (off != 0) {
- *eof = 1;
- return 0;
- }
-
- return rate_control_status_global(local, p);
-
-}
-
-
-void ieee80211_proc_init_sta(struct ieee80211_local *local,
- struct sta_info *sta)
-{
- char buf[30];
- struct proc_dir_entry *entry;
-
- sprintf(buf, MACSTR, MAC2STR(sta->addr));
-
- if (!local->proc_sta)
- return;
-
- entry = create_proc_read_entry(buf, 0, local->proc_sta,
- ieee80211_proc_sta_read, sta);
- if (entry) {
- entry->mode &= ~(S_IRWXG | S_IRWXO);
- sta->proc_entry_added = 1;
- }
-}
-
-
-void ieee80211_proc_deinit_sta(struct ieee80211_local *local,
- struct sta_info *sta)
-{
- char buf[30];
- sprintf(buf, MACSTR, MAC2STR(sta->addr));
- if (local->proc_sta) {
- remove_proc_entry(buf, local->proc_sta);
- sta->proc_entry_added = 0;
- }
-}
-
-
-void ieee80211_proc_init_virtual(struct net_device *dev)
-{
- struct proc_dir_entry *entry;
- struct ieee80211_local *local = (struct ieee80211_local *) dev->priv;
-
- if (!local->proc_iface)
- return;
-
- entry = create_proc_read_entry(dev->name, 0, local->proc_iface,
- ieee80211_proc_iface_read, dev);
- if (entry)
- entry->mode &= ~(S_IRWXG | S_IRWXO);
-}
-
-
-void ieee80211_proc_deinit_virtual(struct net_device *dev)
-{
- struct ieee80211_local *local = (struct ieee80211_local *) dev->priv;
-
- if (local->proc_iface)
- remove_proc_entry(dev->name, local->proc_iface);
-}
-
-
-void ieee80211_proc_init_interface(struct ieee80211_local *local)
-{
- if (!ieee80211_proc)
- return;
-
- local->proc = proc_mkdir(local->wdev->name, ieee80211_proc);
- if (!local->proc)
- return;
-
- local->proc_sta = proc_mkdir("sta", local->proc);
- local->proc_iface = proc_mkdir("iface", local->proc);
- create_proc_read_entry("counters", 0, local->proc,
- ieee80211_proc_counters_read, local);
- create_proc_read_entry("config", 0, local->proc,
- ieee80211_proc_config_read, local);
- create_proc_read_entry("channels", 0, local->proc,
- ieee80211_proc_channels_read, local);
- create_proc_read_entry("rates", 0, local->proc,
- ieee80211_proc_rates_read, local);
- create_proc_read_entry("multicast", 0, local->proc,
- ieee80211_proc_multicast_read, local);
- create_proc_read_entry("debug", 0, local->proc,
- ieee80211_proc_debug_read, local);
- create_proc_read_entry("info", 0, local->proc,
- ieee80211_proc_info_read, local);
- ieee80211_proc_init_virtual(local->wdev);
-}
-
-
-void ieee80211_proc_deinit_interface(struct ieee80211_local *local)
-{
- if (!local->proc)
- return;
-
- ieee80211_proc_deinit_virtual(local->wdev);
- remove_proc_entry("iface", local->proc);
- remove_proc_entry("sta", local->proc);
- remove_proc_entry("counters", local->proc);
- remove_proc_entry("debug", local->proc);
- remove_proc_entry("config", local->proc);
- remove_proc_entry("channels", local->proc);
- remove_proc_entry("rates", local->proc);
- remove_proc_entry("multicast", local->proc);
- remove_proc_entry("info", local->proc);
- local->proc = NULL;
- remove_proc_entry(local->wdev->name, ieee80211_proc);
-}
-
-
-void ieee80211_proc_init(void)
-{
- if (proc_net == NULL) {
- ieee80211_proc = NULL;
- return;
- }
-
- ieee80211_proc = proc_mkdir("ieee80211", proc_net);
- if (!ieee80211_proc)
- printk(KERN_WARNING "Failed to mkdir /proc/net/ieee80211\n");
-}
-
-
-void ieee80211_proc_deinit(void)
-{
- if (!ieee80211_proc)
- return;
-
- ieee80211_proc = NULL;
- remove_proc_entry("ieee80211", proc_net);
-}
-
-#endif /* CONFIG_PROC_FS */
+++ /dev/null
-/*
- * Copyright 2003-2004, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef IEEE80211_PROC_H
-#define IEEE80211_PROC_H
-
-#ifdef CONFIG_PROC_FS
-
-void ieee80211_proc_init_sta(struct ieee80211_local *local,
- struct sta_info *sta);
-void ieee80211_proc_deinit_sta(struct ieee80211_local *local,
- struct sta_info *sta);
-void ieee80211_proc_init_virtual(struct net_device *dev);
-void ieee80211_proc_deinit_virtual(struct net_device *dev);
-void ieee80211_proc_init_interface(struct ieee80211_local *local);
-void ieee80211_proc_deinit_interface(struct ieee80211_local *local);
-void ieee80211_proc_init(void);
-void ieee80211_proc_deinit(void);
-
-#else /* CONFIG_PROC_FS */
-
-static inline void ieee80211_proc_init_sta(struct ieee80211_local *local,
- struct sta_info *sta) {}
-static inline void ieee80211_proc_deinit_sta(struct ieee80211_local *local,
- struct sta_info *sta) {}
-static inline void ieee80211_proc_init_virtual(struct net_device *dev) {}
-static inline void ieee80211_proc_deinit_virtual(struct net_device *dev) {}
-static inline void
-ieee80211_proc_init_interface(struct ieee80211_local *local) {}
-static inline void
-ieee80211_proc_deinit_interface(struct ieee80211_local *local) {}
-static inline void ieee80211_proc_init(void) {}
-static inline void ieee80211_proc_deinit(void) {}
-#endif /* CONFIG_PROC_FS */
-
-#endif /* IEEE80211_PROC_H */
+++ /dev/null
-/*
- * Copyright 2002-2004, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/module.h>
-#include <linux/netdevice.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/skbuff.h>
-
-#include <net/ieee80211.h>
-#include "ieee80211_i.h"
-#include "rate_control.h"
-
-
-/* Maximum number of seconds to wait for the traffic load to get below
- * threshold before forcing a passive scan. */
-#define MAX_SCAN_WAIT 60
-/* Threshold (pkts/sec TX or RX) for delaying passive scan */
-#define SCAN_TXRX_THRESHOLD 75
-
-static void get_channel_params(struct ieee80211_local *local, int channel,
- struct ieee80211_hw_modes **mode,
- struct ieee80211_channel **chan)
-{
- int m;
-
- for (m = 0; m < local->hw->num_modes; m++) {
- *mode = &local->hw->modes[m];
- if ((*mode)->mode == local->conf.phymode)
- break;
- }
- local->scan.mode_idx = m;
- local->scan.chan_idx = 0;
- do {
- *chan = &(*mode)->channels[local->scan.chan_idx];
- if ((*chan)->chan == channel) {
- return;
- }
- local->scan.chan_idx++;
- } while (local->scan.chan_idx < (*mode)->num_channels);
- *chan = NULL;
-}
-
-
-static void next_chan_same_mode(struct ieee80211_local *local,
- struct ieee80211_hw_modes **mode,
- struct ieee80211_channel **chan)
-{
- int m, prev;
-
- for (m = 0; m < local->hw->num_modes; m++) {
- *mode = &local->hw->modes[m];
- if ((*mode)->mode == local->conf.phymode)
- break;
- }
- local->scan.mode_idx = m;
-
- /* Select next channel - scan only channels marked with W_SCAN flag */
- prev = local->scan.chan_idx;
- do {
- local->scan.chan_idx++;
- if (local->scan.chan_idx >= (*mode)->num_channels)
- local->scan.chan_idx = 0;
- *chan = &(*mode)->channels[local->scan.chan_idx];
- if ((*chan)->flag & IEEE80211_CHAN_W_SCAN)
- break;
- } while (local->scan.chan_idx != prev);
-}
-
-
-static void next_chan_all_modes(struct ieee80211_local *local,
- struct ieee80211_hw_modes **mode,
- struct ieee80211_channel **chan)
-{
- int prev, prev_m;
-
- if (local->scan.mode_idx >= local->hw->num_modes) {
- local->scan.mode_idx = 0;
- local->scan.chan_idx = 0;
- }
-
- /* Select next channel - scan only channels marked with W_SCAN flag */
- prev = local->scan.chan_idx;
- prev_m = local->scan.mode_idx;
- do {
- *mode = &local->hw->modes[local->scan.mode_idx];
- local->scan.chan_idx++;
- if (local->scan.chan_idx >= (*mode)->num_channels) {
- local->scan.chan_idx = 0;
- local->scan.mode_idx++;
- if (local->scan.mode_idx >= local->hw->num_modes)
- local->scan.mode_idx = 0;
- *mode = &local->hw->modes[local->scan.mode_idx];
- }
- *chan = &(*mode)->channels[local->scan.chan_idx];
- if ((*chan)->flag & IEEE80211_CHAN_W_SCAN)
- break;
- } while (local->scan.chan_idx != prev ||
- local->scan.mode_idx != prev_m);
-}
-
-
-static void ieee80211_scan_start(struct net_device *dev,
- struct ieee80211_scan_conf *conf)
-{
- struct ieee80211_local *local = dev->priv;
- int old_mode_idx = local->scan.mode_idx;
- int old_chan_idx = local->scan.chan_idx;
- struct ieee80211_hw_modes *mode = NULL;
- struct ieee80211_channel *chan = NULL;
- int ret;
-
- if (local->hw->passive_scan == 0) {
- printk(KERN_DEBUG "%s: Scan handler called, yet the hardware "
- "does not support passive scanning. Disabled.\n",
- dev->name);
- return;
- }
-
- if ((local->scan.tries < MAX_SCAN_WAIT &&
- local->scan.txrx_count > SCAN_TXRX_THRESHOLD)) {
- local->scan.tries++;
- /* Count TX/RX packets during one second interval and allow
- * scan to start only if the number of packets is below the
- * threshold. */
- local->scan.txrx_count = 0;
- local->scan.timer.expires = jiffies + HZ;
- add_timer(&local->scan.timer);
- return;
- }
-
- if (local->scan.skb == NULL) {
- printk(KERN_DEBUG "%s: Scan start called even though scan.skb "
- "is not set\n", dev->name);
- }
-
- if (local->scan.our_mode_only) {
- if (local->scan.channel > 0) {
- get_channel_params(local, local->scan.channel, &mode,
- &chan);
- } else
- next_chan_same_mode(local, &mode, &chan);
- }
- else
- next_chan_all_modes(local, &mode, &chan);
-
- conf->scan_channel = chan->chan;
- conf->scan_freq = chan->freq;
- conf->scan_channel_val = chan->val;
- conf->scan_phymode = mode->mode;
- conf->scan_power_level = chan->power_level;
- conf->scan_antenna_max = chan->antenna_max;
- conf->scan_time = 2 * local->hw->channel_change_time +
- local->scan.time; /* 10ms scan time+hardware changes */
- conf->skb = local->scan.skb ?
- skb_clone(local->scan.skb, GFP_ATOMIC) : NULL;
- conf->tx_control = &local->scan.tx_control;
-#if 0
- printk(KERN_DEBUG "%s: Doing scan on mode: %d freq: %d chan: %d "
- "for %d ms\n",
- dev->name, conf->scan_phymode, conf->scan_freq,
- conf->scan_channel, conf->scan_time);
-#endif
- local->scan.rx_packets = 0;
- local->scan.rx_beacon = 0;
- local->scan.freq = chan->freq;
- local->scan.in_scan = 1;
-
- ieee80211_netif_oper(dev, NETIF_STOP);
-
- ret = local->hw->passive_scan(dev, IEEE80211_SCAN_START, conf);
-
- if (ret == 0) {
- long usec = local->hw->channel_change_time +
- local->scan.time;
- usec += 1000000L / HZ - 1;
- usec /= 1000000L / HZ;
- local->scan.timer.expires = jiffies + usec;
- } else {
- local->scan.in_scan = 0;
- if (conf->skb)
- dev_kfree_skb(conf->skb);
- ieee80211_netif_oper(dev, NETIF_WAKE);
- if (ret == -EAGAIN) {
- local->scan.timer.expires = jiffies +
- (local->scan.interval * HZ / 100);
- local->scan.mode_idx = old_mode_idx;
- local->scan.chan_idx = old_chan_idx;
- } else {
- printk(KERN_DEBUG "%s: Got unknown error from "
- "passive_scan %d\n", dev->name, ret);
- local->scan.timer.expires = jiffies +
- (local->scan.interval * HZ);
- }
- local->scan.in_scan = 0;
- }
-
- add_timer(&local->scan.timer);
-}
-
-
-static void ieee80211_scan_stop(struct net_device *dev,
- struct ieee80211_scan_conf *conf)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_hw_modes *mode;
- struct ieee80211_channel *chan;
- int wait;
-
- if (local->hw->passive_scan == NULL)
- return;
-
- if (local->scan.mode_idx >= local->hw->num_modes) {
- local->scan.mode_idx = 0;
- local->scan.chan_idx = 0;
- }
-
- mode = &local->hw->modes[local->scan.mode_idx];
-
- if (local->scan.chan_idx >= mode->num_channels) {
- local->scan.chan_idx = 0;
- }
-
- chan = &mode->channels[local->scan.chan_idx];
-
- local->hw->passive_scan(dev, IEEE80211_SCAN_END, conf);
-
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Did scan on mode: %d freq: %d chan: %d "
- "GOT: %d Beacon: %d (%d)\n",
- dev->name,
- mode->mode, chan->freq, chan->chan,
- local->scan.rx_packets, local->scan.rx_beacon,
- local->scan.tries);
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
- local->scan.num_scans++;
-
- local->scan.in_scan = 0;
- ieee80211_netif_oper(dev, NETIF_WAKE);
-
- local->scan.tries = 0;
- /* Use random interval of scan.interval .. 2 * scan.interval */
- wait = (local->scan.interval * HZ * ((net_random() & 127) + 128)) /
- 128;
- local->scan.timer.expires = jiffies + wait;
-
- add_timer(&local->scan.timer);
-}
-
-
-static void ieee80211_scan_handler(unsigned long uldev)
-{
- struct net_device *dev = (struct net_device *) uldev;
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_scan_conf conf;
-
- if (local->scan.interval == 0 && !local->scan.in_scan) {
- /* Passive scanning is disabled - keep the timer always
- * running to make code cleaner. */
- local->scan.timer.expires = jiffies + 10 * HZ;
- add_timer(&local->scan.timer);
- return;
- }
-
- memset(&conf, 0, sizeof(struct ieee80211_scan_conf));
- conf.running_freq = local->conf.freq;
- conf.running_channel = local->conf.channel;
- conf.running_phymode = local->conf.phymode;
- conf.running_channel_val = local->conf.channel_val;
- conf.running_power_level = local->conf.power_level;
- conf.running_antenna_max = local->conf.antenna_max;
-
- if (local->scan.in_scan == 0)
- ieee80211_scan_start(dev, &conf);
- else
- ieee80211_scan_stop(dev, &conf);
-}
-
-
-void ieee80211_init_scan(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_hdr hdr;
- u16 fc;
- int len = 10;
- struct rate_control_extra extra;
-
- /* Only initialize passive scanning if the hardware supports it */
- if (!local->hw->passive_scan) {
- local->scan.skb = NULL;
- memset(&local->scan.tx_control, 0,
- sizeof(local->scan.tx_control));
- printk(KERN_DEBUG "%s: Does not support passive scan, "
- "disabled\n", dev->name);
- return;
- }
-
- local->scan.interval = 0;
- local->scan.our_mode_only = 1;
- local->scan.time = 10000;
- local->scan.timer.function = ieee80211_scan_handler;
- local->scan.timer.data = (unsigned long) dev;
- local->scan.timer.expires = jiffies + local->scan.interval * HZ;
- add_timer(&local->scan.timer);
-
- /* Create a CTS from for broadcasting before
- * the low level changes channels */
- local->scan.skb = alloc_skb(len, GFP_KERNEL);
- if (local->scan.skb == NULL) {
- printk(KERN_WARNING "%s: Failed to allocate CTS packet for "
- "passive scan\n", dev->name);
- return;
- }
-
- fc = (WLAN_FC_TYPE_CTRL << 2) | (WLAN_FC_STYPE_CTS << 4);
- hdr.frame_control = cpu_to_le16(fc);
- hdr.duration_id =
- cpu_to_le16(2 * local->hw->channel_change_time +
- local->scan.time);
- memcpy(hdr.addr1, dev->dev_addr, ETH_ALEN); /* DA */
- hdr.seq_ctrl = 0;
-
- memcpy(skb_put(local->scan.skb, len), &hdr, len);
-
- memset(&local->scan.tx_control, 0, sizeof(local->scan.tx_control));
- local->scan.tx_control.key_idx = HW_KEY_IDX_INVALID;
- local->scan.tx_control.do_not_encrypt = 1;
- memset(&extra, 0, sizeof(extra));
- extra.endidx = local->num_curr_rates;
- local->scan.tx_control.tx_rate =
- rate_control_get_rate(dev, local->scan.skb, &extra)->val;
- local->scan.tx_control.no_ack = 1;
-}
-
-
-void ieee80211_stop_scan(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
-
- if (local->hw->passive_scan != 0) {
- del_timer_sync(&local->scan.timer);
- dev_kfree_skb(local->scan.skb);
- local->scan.skb = NULL;
- }
-}
+++ /dev/null
-/*
- * BSS client mode implementation
- * Copyright 2003, Jouni Malinen <jkmaline@cc.hut.fi>
- * Copyright 2004, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-/* TODO:
- * BSS table: use <BSSID,SSID> as the key to support multi-SSID APs
- * order BSS list by RSSI(?) ("quality of AP")
- * scan result table filtering (by capability (privacy, IBSS/BSS, WPA/RSN IE,
- * SSID)
- */
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/if_ether.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/if_arp.h>
-#include <linux/wireless.h>
-#include <linux/random.h>
-#include <net/iw_handler.h>
-#include <asm/types.h>
-#include <asm/delay.h>
-
-#include <net/ieee80211.h>
-#include <net/ieee80211_mgmt.h>
-#include "ieee80211_i.h"
-#include "rate_control.h"
-#include "hostapd_ioctl.h"
-
-/* #define IEEE80211_IBSS_DEBUG */
-
-#define IEEE80211_AUTH_TIMEOUT (HZ / 5)
-#define IEEE80211_AUTH_MAX_TRIES 3
-#define IEEE80211_ASSOC_TIMEOUT (HZ / 5)
-#define IEEE80211_ASSOC_MAX_TRIES 3
-#define IEEE80211_MONITORING_INTERVAL (2 * HZ)
-#define IEEE80211_PROBE_INTERVAL (60 * HZ)
-#define IEEE80211_RETRY_AUTH_INTERVAL (1 * HZ)
-#define IEEE80211_SCAN_INTERVAL (2 * HZ)
-#define IEEE80211_SCAN_INTERVAL_SLOW (15 * HZ)
-#define IEEE80211_IBSS_JOIN_TIMEOUT (20 * HZ)
-
-#define IEEE80211_PROBE_DELAY (HZ / 33)
-#define IEEE80211_CHANNEL_TIME (HZ / 33)
-#define IEEE80211_PASSIVE_CHANNEL_TIME (HZ / 5)
-#define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ)
-#define IEEE80211_IBSS_MERGE_INTERVAL (30 * HZ)
-#define IEEE80211_IBSS_INACTIVITY_LIMIT (60 * HZ)
-
-#define IEEE80211_IBSS_MAX_STA_ENTRIES 128
-
-
-#define IEEE80211_FC(type, stype) cpu_to_le16((type << 2) | (stype << 4))
-
-#define ERP_INFO_USE_PROTECTION BIT(1)
-
-static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst,
- u8 *ssid, size_t ssid_len);
-static struct ieee80211_sta_bss *
-ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid);
-static void ieee80211_rx_bss_put(struct net_device *dev,
- struct ieee80211_sta_bss *bss);
-static int ieee80211_sta_find_ibss(struct net_device *dev,
- struct ieee80211_if_sta *ifsta);
-static int ieee80211_sta_wep_configured(struct net_device *dev);
-
-
-/* Parsed Information Elements */
-struct ieee802_11_elems {
- u8 *ssid;
- u8 ssid_len;
- u8 *supp_rates;
- u8 supp_rates_len;
- u8 *fh_params;
- u8 fh_params_len;
- u8 *ds_params;
- u8 ds_params_len;
- u8 *cf_params;
- u8 cf_params_len;
- u8 *tim;
- u8 tim_len;
- u8 *ibss_params;
- u8 ibss_params_len;
- u8 *challenge;
- u8 challenge_len;
- u8 *wpa;
- u8 wpa_len;
- u8 *rsn;
- u8 rsn_len;
- u8 *erp_info;
- u8 erp_info_len;
- u8 *ext_supp_rates;
- u8 ext_supp_rates_len;
- u8 *wmm_info;
- u8 wmm_info_len;
- u8 *wmm_param;
- u8 wmm_param_len;
-};
-
-typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;
-
-
-static ParseRes ieee802_11_parse_elems(u8 *start, size_t len,
- struct ieee802_11_elems *elems)
-{
- size_t left = len;
- u8 *pos = start;
- int unknown = 0;
-
- memset(elems, 0, sizeof(*elems));
-
- while (left >= 2) {
- u8 id, elen;
-
- id = *pos++;
- elen = *pos++;
- left -= 2;
-
- if (elen > left) {
-#if 0
- if (net_ratelimit())
- printk(KERN_DEBUG "IEEE 802.11 element parse "
- "failed (id=%d elen=%d left=%d)\n",
- id, elen, left);
-#endif
- return ParseFailed;
- }
-
- switch (id) {
- case WLAN_EID_SSID:
- elems->ssid = pos;
- elems->ssid_len = elen;
- break;
- case WLAN_EID_SUPP_RATES:
- elems->supp_rates = pos;
- elems->supp_rates_len = elen;
- break;
- case WLAN_EID_FH_PARAMS:
- elems->fh_params = pos;
- elems->fh_params_len = elen;
- break;
- case WLAN_EID_DS_PARAMS:
- elems->ds_params = pos;
- elems->ds_params_len = elen;
- break;
- case WLAN_EID_CF_PARAMS:
- elems->cf_params = pos;
- elems->cf_params_len = elen;
- break;
- case WLAN_EID_TIM:
- elems->tim = pos;
- elems->tim_len = elen;
- break;
- case WLAN_EID_IBSS_PARAMS:
- elems->ibss_params = pos;
- elems->ibss_params_len = elen;
- break;
- case WLAN_EID_CHALLENGE:
- elems->challenge = pos;
- elems->challenge_len = elen;
- break;
- case WLAN_EID_WPA:
- if (elen >= 4 && pos[0] == 0x00 && pos[1] == 0x50 &&
- pos[2] == 0xf2) {
- /* Microsoft OUI (00:50:F2) */
- if (pos[3] == 1) {
- /* OUI Type 1 - WPA IE */
- elems->wpa = pos;
- elems->wpa_len = elen;
- } else if (elen >= 5 && pos[3] == 2) {
- if (pos[4] == 0) {
- elems->wmm_info = pos;
- elems->wmm_info_len = elen;
- } else if (pos[4] == 1) {
- elems->wmm_param = pos;
- elems->wmm_param_len = elen;
- }
- }
- }
- break;
- case WLAN_EID_RSN:
- elems->rsn = pos;
- elems->rsn_len = elen;
- break;
- case WLAN_EID_ERP_INFO:
- elems->erp_info = pos;
- elems->erp_info_len = elen;
- break;
- case WLAN_EID_EXT_SUPP_RATES:
- elems->ext_supp_rates = pos;
- elems->ext_supp_rates_len = elen;
- break;
- default:
-#if 0
- printk(KERN_DEBUG "IEEE 802.11 element parse ignored "
- "unknown element (id=%d elen=%d)\n",
- id, elen);
-#endif
- unknown++;
- break;
- }
-
- left -= elen;
- pos += elen;
- }
-
- if (left)
- return ParseFailed;
-
- return unknown ? ParseUnknown : ParseOK;
-}
-
-
-
-
-static int ecw2cw(int ecw)
-{
- int cw = 1;
- while (ecw > 0) {
- cw <<= 1;
- ecw--;
- }
- return cw - 1;
-}
-
-
-static void ieee80211_sta_wmm_params(struct net_device *dev,
- struct ieee80211_if_sta *ifsta,
- u8 *wmm_param, size_t wmm_param_len)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_tx_queue_params params;
- size_t left;
- int count;
- u8 *pos;
-
- if (wmm_param_len < 8 || wmm_param[5] /* version */ != 1)
- return;
- count = wmm_param[6] & 0x0f;
- if (count == ifsta->wmm_last_param_set)
- return;
- ifsta->wmm_last_param_set = count;
-
- pos = wmm_param + 8;
- left = wmm_param_len - 8;
-
- memset(¶ms, 0, sizeof(params));
-
- if (local->hw->conf_tx == NULL)
- return;
-
- local->wmm_acm = 0;
- for (; left >= 4; left -= 4, pos += 4) {
- int aci = (pos[0] >> 5) & 0x03;
- int acm = (pos[0] >> 4) & 0x01;
- int queue;
-
- switch (aci) {
- case 1:
- queue = IEEE80211_TX_QUEUE_DATA3;
- if (acm) {
- local->wmm_acm |= BIT(1) | BIT(2);
- }
- break;
- case 2:
- queue = IEEE80211_TX_QUEUE_DATA1;
- if (acm) {
- local->wmm_acm |= BIT(4) | BIT(5);
- }
- break;
- case 3:
- queue = IEEE80211_TX_QUEUE_DATA0;
- if (acm) {
- local->wmm_acm |= BIT(6) | BIT(7);
- }
- break;
- case 0:
- default:
- queue = IEEE80211_TX_QUEUE_DATA2;
- if (acm) {
- local->wmm_acm |= BIT(0) | BIT(3);
- }
- break;
- }
-
- params.aifs = pos[0] & 0x0f;
- params.cw_max = ecw2cw((pos[1] & 0xf0) >> 4);
- params.cw_min = ecw2cw(pos[1] & 0x0f);
- /* TXOP is in units of 32 usec; burst_time in 0.1 ms */
- params.burst_time = (pos[2] | (pos[3] << 8)) * 32 / 100;
- printk(KERN_DEBUG "%s: WMM queue=%d aci=%d acm=%d aifs=%d "
- "cWmin=%d cWmax=%d burst=%d\n",
- dev->name, queue, aci, acm, params.aifs, params.cw_min,
- params.cw_max, params.burst_time);
- /* TODO: handle ACM (block TX, fallback to next lowest allowed
- * AC for now) */
- if (local->hw->conf_tx(local->mdev, queue, ¶ms)) {
- printk(KERN_DEBUG "%s: failed to set TX queue "
- "parameters for queue %d\n", dev->name, queue);
- }
- }
-}
-
-
-static void ieee80211_sta_send_associnfo(struct net_device *dev,
- struct ieee80211_if_sta *ifsta)
-{
- char *buf;
- size_t len;
- int i;
- union iwreq_data wrqu;
-
- if (ifsta->assocreq_ies == NULL && ifsta->assocresp_ies == NULL)
- return;
-
- buf = kmalloc(50 + 2 * (ifsta->assocreq_ies_len +
- ifsta->assocresp_ies_len), GFP_ATOMIC);
- if (buf == NULL)
- return;
-
- len = sprintf(buf, "ASSOCINFO(");
- if (ifsta->assocreq_ies) {
- len += sprintf(buf + len, "ReqIEs=");
- for (i = 0; i < ifsta->assocreq_ies_len; i++) {
- len += sprintf(buf + len, "%02x",
- ifsta->assocreq_ies[i]);
- }
- }
- if (ifsta->assocresp_ies) {
- if (ifsta->assocreq_ies)
- len += sprintf(buf + len, " ");
- len += sprintf(buf + len, "RespIEs=");
- for (i = 0; i < ifsta->assocresp_ies_len; i++) {
- len += sprintf(buf + len, "%02x",
- ifsta->assocresp_ies[i]);
- }
- }
- len += sprintf(buf + len, ")");
-
- if (len > IW_CUSTOM_MAX) {
- len = sprintf(buf, "ASSOCRESPIE=");
- for (i = 0; i < ifsta->assocresp_ies_len; i++) {
- len += sprintf(buf + len, "%02x",
- ifsta->assocresp_ies[i]);
- }
- }
-
- memset(&wrqu, 0, sizeof(wrqu));
- wrqu.data.length = len;
- wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
-
- kfree(buf);
-}
-
-
-static void ieee80211_set_associated(struct net_device *dev,
- struct ieee80211_if_sta *ifsta, int assoc)
-{
- union iwreq_data wrqu;
-
- if (ifsta->associated == assoc)
- return;
-
- ifsta->associated = assoc;
-
- if (assoc) {
- struct ieee80211_sub_if_data *sdata;
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- return;
- ifsta->prev_bssid_set = 1;
- memcpy(ifsta->prev_bssid, sdata->u.sta.bssid, ETH_ALEN);
- memcpy(wrqu.ap_addr.sa_data, sdata->u.sta.bssid, ETH_ALEN);
- ieee80211_sta_send_associnfo(dev, ifsta);
- } else {
- memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
- }
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
- ifsta->last_probe = jiffies;
-}
-
-
-static void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb,
- int encrypt, int probe_resp)
-{
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_tx_packet_data *pkt_data;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- skb->dev = sdata->master;
- skb->mac.raw = skb->nh.raw = skb->h.raw = skb->data;
-
- pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
- memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data));
- pkt_data->magic = IEEE80211_CB_MAGIC;
- pkt_data->sdata = sdata;
- pkt_data->control.do_not_encrypt = !encrypt;
- if (probe_resp)
- pkt_data->control.pkt_type = PKT_PROBE_RESP;
-
- dev_queue_xmit(skb);
-}
-
-
-static void ieee80211_send_auth(struct net_device *dev,
- struct ieee80211_if_sta *ifsta,
- int transaction, u8 *extra, size_t extra_len,
- int encrypt)
-{
- struct sk_buff *skb;
- struct ieee80211_mgmt *mgmt;
-
- skb = dev_alloc_skb(sizeof(*mgmt) + 6 + extra_len);
- if (skb == NULL) {
- printk(KERN_DEBUG "%s: failed to allocate buffer for auth "
- "frame\n", dev->name);
- return;
- }
-
- mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24 + 6);
- memset(mgmt, 0, 24 + 6);
- mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_AUTH);
- if (encrypt)
- mgmt->frame_control |= cpu_to_le16(WLAN_FC_ISWEP);
- memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
- memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
- mgmt->u.auth.auth_alg = cpu_to_le16(ifsta->auth_alg);
- mgmt->u.auth.auth_transaction = cpu_to_le16(transaction);
- ifsta->auth_transaction = transaction + 1;
- mgmt->u.auth.status_code = cpu_to_le16(0);
- if (extra)
- memcpy(skb_put(skb, extra_len), extra, extra_len);
-
- ieee80211_sta_tx(dev, skb, encrypt, 0);
-}
-
-
-static void ieee80211_authenticate(struct net_device *dev,
- struct ieee80211_if_sta *ifsta)
-{
- ifsta->auth_tries++;
- if (ifsta->auth_tries > IEEE80211_AUTH_MAX_TRIES) {
- printk(KERN_DEBUG "%s: authentication with AP " MACSTR
- " timed out\n",
- dev->name, MAC2STR(ifsta->bssid));
- return;
- }
-
- ifsta->state = IEEE80211_AUTHENTICATE;
- printk(KERN_DEBUG "%s: authenticate with AP " MACSTR "\n",
- dev->name, MAC2STR(ifsta->bssid));
-
- ieee80211_send_auth(dev, ifsta, 1, NULL, 0, 0);
-
- mod_timer(&ifsta->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
-}
-
-
-static void ieee80211_send_assoc(struct net_device *dev,
- struct ieee80211_if_sta *ifsta)
-{
- struct ieee80211_local *local = dev->priv;
- struct sk_buff *skb;
- struct ieee80211_mgmt *mgmt;
- u8 *pos, *ies;
- int i, len;
- u16 capab;
- struct ieee80211_sta_bss *bss;
- int wmm = 0;
-
- skb = dev_alloc_skb(sizeof(*mgmt) + 200 + ifsta->extra_ie_len +
- ifsta->ssid_len);
- if (skb == NULL) {
- printk(KERN_DEBUG "%s: failed to allocate buffer for assoc "
- "frame\n", dev->name);
- return;
- }
-
- capab = ifsta->capab;
- if (local->conf.phymode == MODE_IEEE80211G) {
- capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME |
- WLAN_CAPABILITY_SHORT_PREAMBLE;
- }
- bss = ieee80211_rx_bss_get(dev, ifsta->bssid);
- if (bss) {
- if (bss->capability & WLAN_CAPABILITY_PRIVACY)
- capab |= WLAN_CAPABILITY_PRIVACY;
- if (bss->wmm_ie) {
- wmm = 1;
- }
- ieee80211_rx_bss_put(dev, bss);
- }
-
- mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
- memset(mgmt, 0, 24);
- memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
- memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
-
- if (ifsta->prev_bssid_set) {
- skb_put(skb, 10);
- mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_REASSOC_REQ);
- mgmt->u.reassoc_req.capab_info = cpu_to_le16(capab);
- mgmt->u.reassoc_req.listen_interval = cpu_to_le16(1);
- memcpy(mgmt->u.reassoc_req.current_ap, ifsta->prev_bssid,
- ETH_ALEN);
- } else {
- skb_put(skb, 4);
- mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_ASSOC_REQ);
- mgmt->u.assoc_req.capab_info = cpu_to_le16(capab);
- mgmt->u.assoc_req.listen_interval = cpu_to_le16(1);
- }
-
- /* SSID */
- ies = pos = skb_put(skb, 2 + ifsta->ssid_len);
- *pos++ = WLAN_EID_SSID;
- *pos++ = ifsta->ssid_len;
- memcpy(pos, ifsta->ssid, ifsta->ssid_len);
-
- len = local->num_curr_rates;
- if (len > 8)
- len = 8;
- pos = skb_put(skb, len + 2);
- *pos++ = WLAN_EID_SUPP_RATES;
- *pos++ = len;
- for (i = 0; i < len; i++) {
- int rate = local->curr_rates[i].rate;
- if (local->conf.phymode == MODE_ATHEROS_TURBO)
- rate /= 2;
- *pos++ = (u8) (rate / 5);
- }
-
- if (local->num_curr_rates > len) {
- pos = skb_put(skb, local->num_curr_rates - len + 2);
- *pos++ = WLAN_EID_EXT_SUPP_RATES;
- *pos++ = local->num_curr_rates - len;
- for (i = len; i < local->num_curr_rates; i++) {
- int rate = local->curr_rates[i].rate;
- if (local->conf.phymode == MODE_ATHEROS_TURBO)
- rate /= 2;
- *pos++ = (u8) (rate / 5);
- }
- }
-
- if (ifsta->extra_ie) {
- pos = skb_put(skb, ifsta->extra_ie_len);
- memcpy(pos, ifsta->extra_ie, ifsta->extra_ie_len);
- }
-
- if (wmm && ifsta->wmm_enabled) {
- pos = skb_put(skb, 9);
- *pos++ = WLAN_EID_VENDOR_SPECIFIC;
- *pos++ = 7; /* len */
- *pos++ = 0x00; /* Microsoft OUI 00:50:F2 */
- *pos++ = 0x50;
- *pos++ = 0xf2;
- *pos++ = 2; /* WME */
- *pos++ = 0; /* WME info */
- *pos++ = 1; /* WME ver */
- *pos++ = 0;
- }
-
- kfree(ifsta->assocreq_ies);
- ifsta->assocreq_ies_len = (skb->data + skb->len) - ies;
- ifsta->assocreq_ies = kmalloc(ifsta->assocreq_ies_len, GFP_ATOMIC);
- if (ifsta->assocreq_ies)
- memcpy(ifsta->assocreq_ies, ies, ifsta->assocreq_ies_len);
-
- ieee80211_sta_tx(dev, skb, 0, 0);
-}
-
-
-static void ieee80211_send_deauth(struct net_device *dev,
- struct ieee80211_if_sta *ifsta, u16 reason)
-{
- struct sk_buff *skb;
- struct ieee80211_mgmt *mgmt;
-
- skb = dev_alloc_skb(sizeof(*mgmt));
- if (skb == NULL) {
- printk(KERN_DEBUG "%s: failed to allocate buffer for deauth "
- "frame\n", dev->name);
- return;
- }
-
- mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
- memset(mgmt, 0, 24);
- memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
- memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
- mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_DEAUTH);
- skb_put(skb, 2);
- mgmt->u.deauth.reason_code = cpu_to_le16(reason);
-
- ieee80211_sta_tx(dev, skb, 0, 0);
-}
-
-
-static void ieee80211_send_disassoc(struct net_device *dev,
- struct ieee80211_if_sta *ifsta, u16 reason)
-{
- struct sk_buff *skb;
- struct ieee80211_mgmt *mgmt;
-
- skb = dev_alloc_skb(sizeof(*mgmt));
- if (skb == NULL) {
- printk(KERN_DEBUG "%s: failed to allocate buffer for disassoc "
- "frame\n", dev->name);
- return;
- }
-
- mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
- memset(mgmt, 0, 24);
- memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
- memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
- mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_DISASSOC);
- skb_put(skb, 2);
- mgmt->u.disassoc.reason_code = cpu_to_le16(reason);
-
- ieee80211_sta_tx(dev, skb, 0, 0);
-}
-
-
-static int ieee80211_privacy_mismatch(struct net_device *dev,
- struct ieee80211_if_sta *ifsta)
-{
- struct ieee80211_sta_bss *bss;
- int res = 0;
-
- if (ifsta == NULL || ifsta->mixed_cell ||
- ifsta->key_mgmt != IEEE80211_KEY_MGMT_NONE)
- return 0;
-
- bss = ieee80211_rx_bss_get(dev, ifsta->bssid);
- if (bss == NULL)
- return 0;
-
- if (ieee80211_sta_wep_configured(dev) !=
- !!(bss->capability & WLAN_CAPABILITY_PRIVACY))
- res = 1;
-
- ieee80211_rx_bss_put(dev, bss);
-
- return res;
-}
-
-
-static void ieee80211_associate(struct net_device *dev,
- struct ieee80211_if_sta *ifsta)
-{
- ifsta->assoc_tries++;
- if (ifsta->assoc_tries > IEEE80211_ASSOC_MAX_TRIES) {
- printk(KERN_DEBUG "%s: association with AP " MACSTR
- " timed out\n",
- dev->name, MAC2STR(ifsta->bssid));
- return;
- }
-
- ifsta->state = IEEE80211_ASSOCIATE;
- printk(KERN_DEBUG "%s: associate with AP " MACSTR "\n",
- dev->name, MAC2STR(ifsta->bssid));
- if (ieee80211_privacy_mismatch(dev, ifsta)) {
- printk(KERN_DEBUG "%s: mismatch in privacy configuration and "
- "mixed-cell disabled - abort association\n", dev->name);
- return;
- }
-
- ieee80211_send_assoc(dev, ifsta);
-
- mod_timer(&ifsta->timer, jiffies + IEEE80211_ASSOC_TIMEOUT);
-}
-
-
-static void ieee80211_associated(struct net_device *dev,
- struct ieee80211_if_sta *ifsta)
-{
- struct ieee80211_local *local = dev->priv;
- struct sta_info *sta;
- int disassoc;
-
- /* TODO: start monitoring current AP signal quality and number of
- * missed beacons. Scan other channels every now and then and search
- * for better APs. */
- /* TODO: remove expired BSSes */
-
- ifsta->state = IEEE80211_ASSOCIATED;
-
- sta = sta_info_get(local, ifsta->bssid);
- if (sta == NULL) {
- printk(KERN_DEBUG "%s: No STA entry for own AP " MACSTR "\n",
- dev->name, MAC2STR(ifsta->bssid));
- disassoc = 1;
- } else {
- disassoc = 0;
- if (time_after(jiffies,
- sta->last_rx + IEEE80211_MONITORING_INTERVAL)) {
- if (ifsta->probereq_poll) {
- printk(KERN_DEBUG "%s: No ProbeResp from "
- "current AP " MACSTR " - assume out of "
- "range\n",
- dev->name, MAC2STR(ifsta->bssid));
- disassoc = 1;
- } else {
- ieee80211_send_probe_req(dev, ifsta->bssid,
- local->scan_ssid,
- local->scan_ssid_len);
- ifsta->probereq_poll = 1;
- }
- } else {
- ifsta->probereq_poll = 0;
- if (time_after(jiffies, ifsta->last_probe +
- IEEE80211_PROBE_INTERVAL)) {
- ifsta->last_probe = jiffies;
- ieee80211_send_probe_req(dev, ifsta->bssid,
- ifsta->ssid,
- ifsta->ssid_len);
- }
- }
- sta_info_release(local, sta);
- }
- if (disassoc) {
- union iwreq_data wrqu;
- memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
- mod_timer(&ifsta->timer,
- jiffies + IEEE80211_MONITORING_INTERVAL + 30 * HZ);
- } else {
- mod_timer(&ifsta->timer,
- jiffies + IEEE80211_MONITORING_INTERVAL);
- }
-}
-
-
-static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst,
- u8 *ssid, size_t ssid_len)
-{
- struct ieee80211_local *local = dev->priv;
- struct sk_buff *skb;
- struct ieee80211_mgmt *mgmt;
- u8 *pos, *supp_rates, *esupp_rates = NULL;
- int i;
-
- skb = dev_alloc_skb(sizeof(*mgmt) + 200);
- if (skb == NULL) {
- printk(KERN_DEBUG "%s: failed to allocate buffer for probe "
- "request\n", dev->name);
- return;
- }
-
- mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
- memset(mgmt, 0, 24);
- mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_PROBE_REQ);
- memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
- if (dst) {
- memcpy(mgmt->da, dst, ETH_ALEN);
- memcpy(mgmt->bssid, dst, ETH_ALEN);
- } else {
- memset(mgmt->da, 0xff, ETH_ALEN);
- memset(mgmt->bssid, 0xff, ETH_ALEN);
- }
- pos = skb_put(skb, 2 + ssid_len);
- *pos++ = WLAN_EID_SSID;
- *pos++ = ssid_len;
- memcpy(pos, ssid, ssid_len);
-
- supp_rates = skb_put(skb, 2);
- supp_rates[0] = WLAN_EID_SUPP_RATES;
- supp_rates[1] = 0;
- for (i = 0; i < local->num_curr_rates; i++) {
- struct ieee80211_rate *rate = &local->curr_rates[i];
- if (!(rate->flags & IEEE80211_RATE_SUPPORTED))
- continue;
- if (esupp_rates) {
- pos = skb_put(skb, 1);
- esupp_rates[1]++;
- } else if (supp_rates[1] == 8) {
- esupp_rates = skb_put(skb, 3);
- esupp_rates[0] = WLAN_EID_EXT_SUPP_RATES;
- esupp_rates[1] = 1;
- pos = &esupp_rates[2];
- } else {
- pos = skb_put(skb, 1);
- supp_rates[1]++;
- }
- if (local->conf.phymode == MODE_ATHEROS_TURBO)
- *pos = rate->rate / 10;
- else
- *pos = rate->rate / 5;
- }
-
- ieee80211_sta_tx(dev, skb, 0, 0);
-}
-
-
-static int ieee80211_sta_wep_configured(struct net_device *dev)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata == NULL || sdata->default_key == NULL ||
- sdata->default_key->alg != ALG_WEP)
- return 0;
- return 1;
-}
-
-
-static void ieee80211_auth_completed(struct net_device *dev,
- struct ieee80211_if_sta *ifsta)
-{
- printk(KERN_DEBUG "%s: authenticated\n", dev->name);
- ifsta->authenticated = 1;
- ieee80211_associate(dev, ifsta);
-}
-
-
-static void ieee80211_auth_challenge(struct net_device *dev,
- struct ieee80211_if_sta *ifsta,
- struct ieee80211_mgmt *mgmt,
- size_t len,
- struct ieee80211_rx_status *rx_status)
-{
- u8 *pos;
- struct ieee802_11_elems elems;
-
- printk(KERN_DEBUG "%s: replying to auth challenge\n", dev->name);
- pos = mgmt->u.auth.variable;
- if (ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems)
- == ParseFailed) {
- printk(KERN_DEBUG "%s: failed to parse Auth(challenge)\n",
- dev->name);
- return;
- }
- if (elems.challenge == NULL) {
- printk(KERN_DEBUG "%s: no challenge IE in shared key auth "
- "frame\n", dev->name);
- return;
- }
- ieee80211_send_auth(dev, ifsta, 3, elems.challenge - 2,
- elems.challenge_len + 2, 1);
-}
-
-
-static void ieee80211_rx_mgmt_auth(struct net_device *dev,
- struct ieee80211_if_sta *ifsta,
- struct ieee80211_mgmt *mgmt,
- size_t len,
- struct ieee80211_rx_status *rx_status)
-{
- struct ieee80211_local *local = dev->priv;
- u16 auth_alg, auth_transaction, status_code;
-
- if (ifsta->state != IEEE80211_AUTHENTICATE &&
- local->conf.mode != IW_MODE_ADHOC) {
- printk(KERN_DEBUG "%s: authentication frame received from "
- MACSTR ", but not in authenticate state - ignored\n",
- dev->name, MAC2STR(mgmt->sa));
- return;
- }
-
- if (len < 24 + 6) {
- printk(KERN_DEBUG "%s: too short (%zd) authentication frame "
- "received from " MACSTR " - ignored\n",
- dev->name, len, MAC2STR(mgmt->sa));
- return;
- }
-
- if (local->conf.mode != IW_MODE_ADHOC &&
- memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) {
- printk(KERN_DEBUG "%s: authentication frame received from "
- "unknown AP (SA=" MACSTR " BSSID=" MACSTR ") - "
- "ignored\n", dev->name, MAC2STR(mgmt->sa),
- MAC2STR(mgmt->bssid));
- return;
- }
-
- if (local->conf.mode == IW_MODE_ADHOC &&
- memcmp(ifsta->bssid, mgmt->bssid, ETH_ALEN) != 0) {
- printk(KERN_DEBUG "%s: authentication frame received from "
- "unknown BSSID (SA=" MACSTR " BSSID=" MACSTR ") - "
- "ignored\n", dev->name, MAC2STR(mgmt->sa),
- MAC2STR(mgmt->bssid));
- return;
- }
-
- auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
- auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction);
- status_code = le16_to_cpu(mgmt->u.auth.status_code);
-
- printk(KERN_DEBUG "%s: RX authentication from " MACSTR " (alg=%d "
- "transaction=%d status=%d)\n",
- dev->name, MAC2STR(mgmt->sa), auth_alg,
- auth_transaction, status_code);
-
- if (local->conf.mode == IW_MODE_ADHOC) {
- /* IEEE 802.11 standard does not require authentication in IBSS
- * networks and most implementations do not seem to use it.
- * However, try to reply to authentication attempts if someone
- * has actually implemented this.
- * TODO: Could implement shared key authentication. */
- if (auth_alg != WLAN_AUTH_OPEN || auth_transaction != 1) {
- printk(KERN_DEBUG "%s: unexpected IBSS authentication "
- "frame (alg=%d transaction=%d)\n",
- dev->name, auth_alg, auth_transaction);
- return;
- }
- ieee80211_send_auth(dev, ifsta, 2, NULL, 0, 0);
- }
-
- if (auth_alg != ifsta->auth_alg ||
- auth_transaction != ifsta->auth_transaction) {
- printk(KERN_DEBUG "%s: unexpected authentication frame "
- "(alg=%d transaction=%d)\n",
- dev->name, auth_alg, auth_transaction);
- return;
- }
-
- if (status_code != WLAN_STATUS_SUCCESS) {
- printk(KERN_DEBUG "%s: AP denied authentication (auth_alg=%d "
- "code=%d)\n", dev->name, ifsta->auth_alg, status_code);
- if (status_code == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG) {
- const int num_algs = 3;
- u8 algs[num_algs];
- int i, pos;
- algs[0] = algs[1] = algs[2] = 0xff;
- if (ifsta->auth_algs & IEEE80211_AUTH_ALG_OPEN)
- algs[0] = WLAN_AUTH_OPEN;
- if (ifsta->auth_algs & IEEE80211_AUTH_ALG_SHARED_KEY)
- algs[1] = WLAN_AUTH_SHARED_KEY;
- if (ifsta->auth_algs & IEEE80211_AUTH_ALG_LEAP)
- algs[2] = WLAN_AUTH_LEAP;
- if (ifsta->auth_alg == WLAN_AUTH_OPEN)
- pos = 0;
- else if (ifsta->auth_alg == WLAN_AUTH_SHARED_KEY)
- pos = 1;
- else
- pos = 2;
- for (i = 0; i < num_algs; i++) {
- pos++;
- if (pos >= num_algs)
- pos = 0;
- if (algs[pos] == ifsta->auth_alg ||
- algs[pos] == 0xff)
- continue;
- if (algs[pos] == WLAN_AUTH_SHARED_KEY &&
- !ieee80211_sta_wep_configured(dev))
- continue;
- ifsta->auth_alg = algs[pos];
- printk(KERN_DEBUG "%s: set auth_alg=%d for "
- "next try\n",
- dev->name, ifsta->auth_alg);
- break;
- }
- }
- return;
- }
-
- switch (ifsta->auth_alg) {
- case WLAN_AUTH_OPEN:
- case WLAN_AUTH_LEAP:
- ieee80211_auth_completed(dev, ifsta);
- break;
- case WLAN_AUTH_SHARED_KEY:
- if (ifsta->auth_transaction == 4)
- ieee80211_auth_completed(dev, ifsta);
- else
- ieee80211_auth_challenge(dev, ifsta, mgmt, len,
- rx_status);
- break;
- }
-}
-
-
-static void ieee80211_rx_mgmt_deauth(struct net_device *dev,
- struct ieee80211_if_sta *ifsta,
- struct ieee80211_mgmt *mgmt,
- size_t len,
- struct ieee80211_rx_status *rx_status)
-{
- u16 reason_code;
-
- if (len < 24 + 2) {
- printk(KERN_DEBUG "%s: too short (%zd) deauthentication frame "
- "received from " MACSTR " - ignored\n",
- dev->name, len, MAC2STR(mgmt->sa));
- return;
- }
-
- if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) {
- printk(KERN_DEBUG "%s: deauthentication frame received from "
- "unknown AP (SA=" MACSTR " BSSID=" MACSTR ") - "
- "ignored\n", dev->name, MAC2STR(mgmt->sa),
- MAC2STR(mgmt->bssid));
- return;
- }
-
- reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
-
- printk(KERN_DEBUG "%s: RX deauthentication from " MACSTR
- " (reason=%d)\n",
- dev->name, MAC2STR(mgmt->sa), reason_code);
-
- if (ifsta->authenticated) {
- printk(KERN_DEBUG "%s: deauthenticated\n", dev->name);
- }
-
- if (ifsta->state == IEEE80211_AUTHENTICATE ||
- ifsta->state == IEEE80211_ASSOCIATE ||
- ifsta->state == IEEE80211_ASSOCIATED) {
- ifsta->state = IEEE80211_AUTHENTICATE;
- mod_timer(&ifsta->timer,
- jiffies + IEEE80211_RETRY_AUTH_INTERVAL);
- }
-
- ieee80211_set_associated(dev, ifsta, 0);
- ifsta->authenticated = 0;
-}
-
-
-static void ieee80211_rx_mgmt_disassoc(struct net_device *dev,
- struct ieee80211_if_sta *ifsta,
- struct ieee80211_mgmt *mgmt,
- size_t len,
- struct ieee80211_rx_status *rx_status)
-{
- u16 reason_code;
-
- if (len < 24 + 2) {
- printk(KERN_DEBUG "%s: too short (%zd) disassociation frame "
- "received from " MACSTR " - ignored\n",
- dev->name, len, MAC2STR(mgmt->sa));
- return;
- }
-
- if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) {
- printk(KERN_DEBUG "%s: disassociation frame received from "
- "unknown AP (SA=" MACSTR " BSSID=" MACSTR ") - "
- "ignored\n", dev->name, MAC2STR(mgmt->sa),
- MAC2STR(mgmt->bssid));
- return;
- }
-
- reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
-
- printk(KERN_DEBUG "%s: RX disassociation from " MACSTR
- " (reason=%d)\n",
- dev->name, MAC2STR(mgmt->sa), reason_code);
-
- if (ifsta->associated)
- printk(KERN_DEBUG "%s: disassociated\n", dev->name);
-
- if (ifsta->state == IEEE80211_ASSOCIATED) {
- ifsta->state = IEEE80211_ASSOCIATE;
- mod_timer(&ifsta->timer,
- jiffies + IEEE80211_RETRY_AUTH_INTERVAL);
- }
-
- ieee80211_set_associated(dev, ifsta, 0);
-}
-
-
-static void ieee80211_rx_mgmt_assoc_resp(struct net_device *dev,
- struct ieee80211_if_sta *ifsta,
- struct ieee80211_mgmt *mgmt,
- size_t len,
- struct ieee80211_rx_status *rx_status,
- int reassoc)
-{
- struct ieee80211_local *local = dev->priv;
- struct sta_info *sta;
- u32 rates;
- u16 capab_info, status_code, aid;
- struct ieee802_11_elems elems;
- u8 *pos;
- int i, j;
-
- /* AssocResp and ReassocResp have identical structure, so process both
- * of them in this function. */
-
- if (ifsta->state != IEEE80211_ASSOCIATE) {
- printk(KERN_DEBUG "%s: association frame received from "
- MACSTR ", but not in associate state - ignored\n",
- dev->name, MAC2STR(mgmt->sa));
- return;
- }
-
- if (len < 24 + 6) {
- printk(KERN_DEBUG "%s: too short (%zd) association frame "
- "received from " MACSTR " - ignored\n",
- dev->name, len, MAC2STR(mgmt->sa));
- return;
- }
-
- if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) {
- printk(KERN_DEBUG "%s: association frame received from "
- "unknown AP (SA=" MACSTR " BSSID=" MACSTR ") - "
- "ignored\n", dev->name, MAC2STR(mgmt->sa),
- MAC2STR(mgmt->bssid));
- return;
- }
-
- capab_info = le16_to_cpu(mgmt->u.assoc_resp.capab_info);
- status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
- aid = le16_to_cpu(mgmt->u.assoc_resp.aid);
- if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14)))
- printk(KERN_DEBUG "%s: invalid aid value %d; bits 15:14 not "
- "set\n", dev->name, aid);
- aid &= ~(BIT(15) | BIT(14));
-
- printk(KERN_DEBUG "%s: RX %sssocResp from " MACSTR " (capab=0x%x "
- "status=%d aid=%d)\n",
- dev->name, reassoc ? "Rea" : "A", MAC2STR(mgmt->sa),
- capab_info, status_code, aid);
-
- if (status_code != WLAN_STATUS_SUCCESS) {
- printk(KERN_DEBUG "%s: AP denied association (code=%d)\n",
- dev->name, status_code);
- return;
- }
-
- pos = mgmt->u.assoc_resp.variable;
- if (ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems)
- == ParseFailed) {
- printk(KERN_DEBUG "%s: failed to parse AssocResp\n",
- dev->name);
- return;
- }
-
- if (elems.supp_rates == NULL) {
- printk(KERN_DEBUG "%s: no SuppRates element in AssocResp\n",
- dev->name);
- return;
- }
-
- printk(KERN_DEBUG "%s: associated\n", dev->name);
- ifsta->aid = aid;
- ifsta->ap_capab = capab_info;
-
- kfree(ifsta->assocresp_ies);
- ifsta->assocresp_ies_len = len - (pos - (u8 *) mgmt);
- ifsta->assocresp_ies = kmalloc(ifsta->assocresp_ies_len, GFP_ATOMIC);
- if (ifsta->assocresp_ies)
- memcpy(ifsta->assocresp_ies, pos, ifsta->assocresp_ies_len);
-
- ieee80211_set_associated(dev, ifsta, 1);
-
- /* Add STA entry for the AP */
- sta = sta_info_get(local, ifsta->bssid);
- if (sta == NULL) {
- sta = sta_info_add(local, dev, ifsta->bssid);
- if (sta == NULL) {
- printk(KERN_DEBUG "%s: failed to add STA entry for the"
- " AP\n", dev->name);
- return;
- }
- }
-
- sta->dev = dev;
- sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
- sta->assoc_ap = 1;
-
- rates = 0;
- for (i = 0; i < elems.supp_rates_len; i++) {
- int rate = (elems.supp_rates[i] & 0x7f) * 5;
- if (local->conf.phymode == MODE_ATHEROS_TURBO)
- rate *= 2;
- for (j = 0; j < local->num_curr_rates; j++)
- if (local->curr_rates[j].rate == rate)
- rates |= BIT(j);
- }
- for (i = 0; i < elems.ext_supp_rates_len; i++) {
- int rate = (elems.ext_supp_rates[i] & 0x7f) * 5;
- if (local->conf.phymode == MODE_ATHEROS_TURBO)
- rate *= 2;
- for (j = 0; j < local->num_curr_rates; j++)
- if (local->curr_rates[j].rate == rate)
- rates |= BIT(j);
- }
- sta->supp_rates = rates;
-
- rate_control_rate_init(local, sta);
-
- if (elems.wmm_param && ifsta->wmm_enabled) {
- sta->flags |= WLAN_STA_WME;
- ieee80211_sta_wmm_params(dev, ifsta, elems.wmm_param,
- elems.wmm_param_len);
- }
-
-
- sta_info_release(local, sta);
-
- ieee80211_associated(dev, ifsta);
-}
-
-
-/* Caller must hold local->sta_bss_lock */
-static void __ieee80211_rx_bss_hash_add(struct net_device *dev,
- struct ieee80211_sta_bss *bss)
-{
- struct ieee80211_local *local = dev->priv;
- bss->hnext = local->sta_bss_hash[STA_HASH(bss->bssid)];
- local->sta_bss_hash[STA_HASH(bss->bssid)] = bss;
-}
-
-
-/* Caller must hold local->sta_bss_lock */
-static void __ieee80211_rx_bss_hash_del(struct net_device *dev,
- struct ieee80211_sta_bss *bss)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sta_bss *b, *prev = NULL;
- b = local->sta_bss_hash[STA_HASH(bss->bssid)];
- while (b) {
- if (b == bss) {
- if (prev == NULL) {
- local->sta_bss_hash[STA_HASH(bss->bssid)] =
- bss->hnext;
- } else {
- prev->hnext = bss->hnext;
- }
- break;
- }
- prev = b;
- b = b->hnext;
- }
-}
-
-
-static struct ieee80211_sta_bss *
-ieee80211_rx_bss_add(struct net_device *dev, u8 *bssid)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sta_bss *bss;
-
- bss = kmalloc(sizeof(*bss), GFP_ATOMIC);
- if (bss == NULL)
- return NULL;
- memset(bss, 0, sizeof(*bss));
- atomic_inc(&bss->users);
- atomic_inc(&bss->users);
- memcpy(bss->bssid, bssid, ETH_ALEN);
-
- spin_lock_bh(&local->sta_bss_lock);
- /* TODO: order by RSSI? */
- list_add_tail(&bss->list, &local->sta_bss_list);
- __ieee80211_rx_bss_hash_add(dev, bss);
- spin_unlock_bh(&local->sta_bss_lock);
- return bss;
-}
-
-
-static struct ieee80211_sta_bss *
-ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sta_bss *bss;
-
- spin_lock_bh(&local->sta_bss_lock);
- bss = local->sta_bss_hash[STA_HASH(bssid)];
- while (bss) {
- if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0) {
- atomic_inc(&bss->users);
- break;
- }
- bss = bss->hnext;
- }
- spin_unlock_bh(&local->sta_bss_lock);
- return bss;
-}
-
-
-static void ieee80211_rx_bss_free(struct ieee80211_sta_bss *bss)
-{
- kfree(bss->wpa_ie);
- kfree(bss->rsn_ie);
- kfree(bss->wmm_ie);
- kfree(bss);
-}
-
-
-static void ieee80211_rx_bss_put(struct net_device *dev,
- struct ieee80211_sta_bss *bss)
-{
- struct ieee80211_local *local = dev->priv;
- if (!atomic_dec_and_test(&bss->users))
- return;
-
- spin_lock_bh(&local->sta_bss_lock);
- __ieee80211_rx_bss_hash_del(dev, bss);
- list_del(&bss->list);
- spin_unlock_bh(&local->sta_bss_lock);
- ieee80211_rx_bss_free(bss);
-}
-
-
-void ieee80211_rx_bss_list_init(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
- spin_lock_init(&local->sta_bss_lock);
- INIT_LIST_HEAD(&local->sta_bss_list);
-}
-
-
-void ieee80211_rx_bss_list_deinit(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sta_bss *bss;
- struct list_head *ptr;
-
- for (;;) {
- ptr = local->sta_bss_list.next;
- if (!ptr || ptr == &local->sta_bss_list)
- break;
- bss = list_entry(ptr, struct ieee80211_sta_bss, list);
- ieee80211_rx_bss_put(dev, bss);
- }
-}
-
-
-static void ieee80211_rx_bss_info(struct net_device *dev,
- struct ieee80211_mgmt *mgmt,
- size_t len,
- struct ieee80211_rx_status *rx_status,
- int beacon)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee802_11_elems elems;
- size_t baselen;
- int channel, invalid = 0, clen;
- struct ieee80211_sta_bss *bss;
- struct sta_info *sta;
- struct ieee80211_sub_if_data *sdata;
- u64 timestamp;
- u8 *pos;
-
- if (!beacon && memcmp(mgmt->da, dev->dev_addr, ETH_ALEN))
- return; /* ignore ProbeResp to foreign address */
-
-#if 0
- printk(KERN_DEBUG "%s: RX %s from " MACSTR " to " MACSTR "\n",
- dev->name, beacon ? "Beacon" : "Probe Response",
- MAC2STR(mgmt->sa), MAC2STR(mgmt->da));
-#endif
-
- baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt;
- if (baselen > len)
- return;
-
- pos = mgmt->u.beacon.timestamp;
- timestamp = ((u64) pos[7] << 56) | ((u64) pos[6] << 48) |
- ((u64) pos[5] << 40) | ((u64) pos[4] << 32) |
- ((u64) pos[3] << 24) | ((u64) pos[2] << 16) |
- ((u64) pos[1] << 8) | ((u64) pos[0]);
-
- if (local->conf.mode == IW_MODE_ADHOC && beacon &&
- memcmp(mgmt->bssid, local->bssid, ETH_ALEN) == 0) {
-#ifdef IEEE80211_IBSS_DEBUG
- static unsigned long last_tsf_debug = 0;
- u64 tsf;
- if (local->hw->get_tsf)
- tsf = local->hw->get_tsf(local->mdev);
- else
- tsf = -1LLU;
- if (time_after(jiffies, last_tsf_debug + 5 * HZ)) {
- printk(KERN_DEBUG "RX beacon SA=" MACSTR " BSSID="
- MACSTR " TSF=0x%llx BCN=0x%llx diff=%lld "
- "@%ld\n",
- MAC2STR(mgmt->sa), MAC2STR(mgmt->bssid),
- tsf, timestamp, tsf - timestamp, jiffies);
- last_tsf_debug = jiffies;
- }
-#endif /* IEEE80211_IBSS_DEBUG */
- }
-
- if (ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen,
- &elems) == ParseFailed)
- invalid = 1;
-
- if (local->conf.mode == IW_MODE_ADHOC && elems.supp_rates &&
- memcmp(mgmt->bssid, local->bssid, ETH_ALEN) == 0 &&
- (sta = sta_info_get(local, mgmt->sa)) &&
- (sdata = IEEE80211_DEV_TO_SUB_IF(dev)) &&
- sdata->type == IEEE80211_SUB_IF_TYPE_STA) {
- struct ieee80211_rate *rates;
- size_t num_rates;
- u32 supp_rates, prev_rates;
- int i, j, oper_mode;
-
- rates = local->curr_rates;
- num_rates = local->num_curr_rates;
- oper_mode = local->sta_scanning ? local->scan_oper_phymode :
- local->conf.phymode;
- for (i = 0; i < local->hw->num_modes; i++) {
- struct ieee80211_hw_modes *mode = &local->hw->modes[i];
- if (oper_mode == mode->mode) {
- rates = mode->rates;
- num_rates = mode->num_rates;
- break;
- }
- }
-
- supp_rates = 0;
- for (i = 0; i < elems.supp_rates_len +
- elems.ext_supp_rates_len; i++) {
- u8 rate = 0;
- int own_rate;
- if (i < elems.supp_rates_len)
- rate = elems.supp_rates[i];
- else if (elems.ext_supp_rates)
- rate = elems.ext_supp_rates
- [i - elems.supp_rates_len];
- own_rate = 5 * (rate & 0x7f);
- if (oper_mode == MODE_ATHEROS_TURBO)
- own_rate *= 2;
- for (j = 0; j < num_rates; j++)
- if (rates[j].rate == own_rate)
- supp_rates |= BIT(j);
- }
-
- prev_rates = sta->supp_rates;
- sta->supp_rates &= supp_rates;
- if (sta->supp_rates == 0) {
- /* No matching rates - this should not really happen.
- * Make sure that at least one rate is marked
- * supported to avoid issues with TX rate ctrl. */
-
- sta->supp_rates = sdata->u.sta.supp_rates_bits;
- }
- if (sta->supp_rates != prev_rates) {
- printk(KERN_DEBUG "%s: updated supp_rates set for "
- MACSTR " based on beacon info (0x%x & 0x%x -> "
- "0x%x)\n",
- dev->name, MAC2STR(sta->addr), prev_rates,
- supp_rates, sta->supp_rates);
- }
- sta_info_release(local, sta);
- }
-
- if (elems.ssid == NULL)
- return;
-
- if (elems.ds_params && elems.ds_params_len == 1)
- channel = elems.ds_params[0];
- else
- channel = rx_status->channel;
-
- bss = ieee80211_rx_bss_get(dev, mgmt->bssid);
- if (bss == NULL) {
- bss = ieee80211_rx_bss_add(dev, mgmt->bssid);
- if (bss == NULL)
- return;
- } else {
-#if 0
- /* TODO: order by RSSI? */
- spin_lock_bh(&local->sta_bss_lock);
- list_move_tail(&bss->list, &local->sta_bss_list);
- spin_unlock_bh(&local->sta_bss_lock);
-#endif
- }
-
- if (bss->probe_resp && beacon) {
- /* Do not allow beacon to override data from Probe Response. */
- ieee80211_rx_bss_put(dev, bss);
- return;
- }
-
- bss->beacon_int = le16_to_cpu(mgmt->u.beacon.beacon_int);
- bss->capability = le16_to_cpu(mgmt->u.beacon.capab_info);
- if (elems.ssid && elems.ssid_len <= IEEE80211_MAX_SSID_LEN) {
- memcpy(bss->ssid, elems.ssid, elems.ssid_len);
- bss->ssid_len = elems.ssid_len;
- }
-
- bss->supp_rates_len = 0;
- if (elems.supp_rates) {
- clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len;
- if (clen > elems.supp_rates_len)
- clen = elems.supp_rates_len;
- memcpy(&bss->supp_rates[bss->supp_rates_len], elems.supp_rates,
- clen);
- bss->supp_rates_len += clen;
- }
- if (elems.ext_supp_rates) {
- clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len;
- if (clen > elems.ext_supp_rates_len)
- clen = elems.ext_supp_rates_len;
- memcpy(&bss->supp_rates[bss->supp_rates_len],
- elems.ext_supp_rates, clen);
- bss->supp_rates_len += clen;
- }
-
- if (elems.wpa &&
- (bss->wpa_ie == NULL || bss->wpa_ie_len != elems.wpa_len ||
- memcmp(bss->wpa_ie, elems.wpa, elems.wpa_len))) {
- kfree(bss->wpa_ie);
- bss->wpa_ie = kmalloc(elems.wpa_len + 2, GFP_ATOMIC);
- if (bss->wpa_ie) {
- memcpy(bss->wpa_ie, elems.wpa - 2, elems.wpa_len + 2);
- bss->wpa_ie_len = elems.wpa_len + 2;
- } else
- bss->wpa_ie_len = 0;
- } else if (!elems.wpa && bss->wpa_ie) {
- kfree(bss->wpa_ie);
- bss->wpa_ie = NULL;
- bss->wpa_ie_len = 0;
- }
-
- if (elems.rsn &&
- (bss->rsn_ie == NULL || bss->rsn_ie_len != elems.rsn_len ||
- memcmp(bss->rsn_ie, elems.rsn, elems.rsn_len))) {
- kfree(bss->rsn_ie);
- bss->rsn_ie = kmalloc(elems.rsn_len + 2, GFP_ATOMIC);
- if (bss->rsn_ie) {
- memcpy(bss->rsn_ie, elems.rsn - 2, elems.rsn_len + 2);
- bss->rsn_ie_len = elems.rsn_len + 2;
- } else
- bss->rsn_ie_len = 0;
- } else if (!elems.rsn && bss->rsn_ie) {
- kfree(bss->rsn_ie);
- bss->rsn_ie = NULL;
- bss->rsn_ie_len = 0;
- }
-
- if (elems.wmm_param &&
- (bss->wmm_ie == NULL || bss->wmm_ie_len != elems.wmm_param_len ||
- memcmp(bss->wmm_ie, elems.wmm_param, elems.wmm_param_len))) {
- kfree(bss->wmm_ie);
- bss->wmm_ie = kmalloc(elems.wmm_param_len + 2, GFP_ATOMIC);
- if (bss->wmm_ie) {
- memcpy(bss->wmm_ie, elems.wmm_param - 2,
- elems.wmm_param_len + 2);
- bss->wmm_ie_len = elems.wmm_param_len + 2;
- } else
- bss->wmm_ie_len = 0;
- } else if (!elems.wmm_param && bss->wmm_ie) {
- kfree(bss->wmm_ie);
- bss->wmm_ie = NULL;
- bss->wmm_ie_len = 0;
- }
-
-
- bss->hw_mode = local->conf.phymode;
- bss->channel = channel;
- bss->freq = local->conf.freq;
- if (channel != local->conf.channel &&
- (local->conf.phymode == MODE_IEEE80211G ||
- local->conf.phymode == MODE_IEEE80211B) &&
- channel >= 1 && channel <= 14) {
- static const int freq_list[] = {
- 2412, 2417, 2422, 2427, 2432, 2437, 2442,
- 2447, 2452, 2457, 2462, 2467, 2472, 2484
- };
- /* IEEE 802.11g/b mode can receive packets from neighboring
- * channels, so map the channel into frequency. */
- bss->freq = freq_list[channel - 1];
- }
- bss->timestamp = timestamp;
- bss->last_update = jiffies;
- bss->rssi = rx_status->ssi;
- if (!beacon)
- bss->probe_resp++;
- ieee80211_rx_bss_put(dev, bss);
-}
-
-
-static void ieee80211_rx_mgmt_probe_resp(struct net_device *dev,
- struct ieee80211_mgmt *mgmt,
- size_t len,
- struct ieee80211_rx_status *rx_status)
-{
- ieee80211_rx_bss_info(dev, mgmt, len, rx_status, 0);
-}
-
-
-static void ieee80211_rx_mgmt_beacon(struct net_device *dev,
- struct ieee80211_mgmt *mgmt,
- size_t len,
- struct ieee80211_rx_status *rx_status)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_if_sta *ifsta;
- int use_protection;
- size_t baselen;
- struct ieee802_11_elems elems;
-
- ieee80211_rx_bss_info(dev, mgmt, len, rx_status, 1);
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- return;
- ifsta = &sdata->u.sta;
-
- if (!ifsta->associated ||
- memcmp(ifsta->bssid, mgmt->bssid, ETH_ALEN) != 0)
- return;
-
- /* Process beacon from the current BSS */
- baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt;
- if (baselen > len)
- return;
-
- if (ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen,
- &elems) == ParseFailed)
- return;
-
- use_protection = 0;
- if (elems.erp_info && elems.erp_info_len >= 1) {
- use_protection =
- (elems.erp_info[0] & ERP_INFO_USE_PROTECTION) != 0;
- }
-
- if (use_protection != !!ifsta->use_protection) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: CTS protection %s (BSSID="
- MACSTR ")\n",
- dev->name,
- use_protection ? "enabled" : "disabled",
- MAC2STR(ifsta->bssid));
- }
- ifsta->use_protection = use_protection ? 1 : 0;
- local->cts_protect_erp_frames = use_protection;
- }
-
- if (elems.wmm_param && ifsta->wmm_enabled) {
- ieee80211_sta_wmm_params(dev, ifsta, elems.wmm_param,
- elems.wmm_param_len);
- }
-}
-
-
-static void ieee80211_rx_mgmt_probe_req(struct net_device *dev,
- struct ieee80211_if_sta *ifsta,
- struct ieee80211_mgmt *mgmt,
- size_t len,
- struct ieee80211_rx_status *rx_status)
-{
- struct ieee80211_local *local = dev->priv;
- int tx_last_beacon;
- struct sk_buff *skb;
- struct ieee80211_mgmt *resp;
- u8 *pos, *end;
-
- if (local->conf.mode != IW_MODE_ADHOC ||
- ifsta->state != IEEE80211_IBSS_JOINED ||
- len < 24 + 2 || ifsta->probe_resp == NULL)
- return;
-
- if (local->hw->tx_last_beacon)
- tx_last_beacon = local->hw->tx_last_beacon(local->mdev);
- else
- tx_last_beacon = 1;
-
-#ifdef IEEE80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: RX ProbeReq SA=" MACSTR " DA=" MACSTR " BSSID="
- MACSTR " (tx_last_beacon=%d)\n",
- dev->name, MAC2STR(mgmt->sa), MAC2STR(mgmt->da),
- MAC2STR(mgmt->bssid), tx_last_beacon);
-#endif /* IEEE80211_IBSS_DEBUG */
-
- if (!tx_last_beacon)
- return;
-
- if (memcmp(mgmt->bssid, ifsta->bssid, ETH_ALEN) != 0 &&
- memcmp(mgmt->bssid, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0)
- return;
-
- end = ((u8 *) mgmt) + len;
- pos = mgmt->u.probe_req.variable;
- if (pos[0] != WLAN_EID_SSID ||
- pos + 2 + pos[1] > end) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: Invalid SSID IE in ProbeReq "
- "from " MACSTR "\n",
- dev->name, MAC2STR(mgmt->sa));
- }
- return;
- }
- if (pos[1] != 0 &&
- (pos[1] != ifsta->ssid_len ||
- memcmp(pos + 2, ifsta->ssid, ifsta->ssid_len) != 0)) {
- /* Ignore ProbeReq for foreign SSID */
- return;
- }
-
- /* Reply with ProbeResp */
- skb = skb_copy(ifsta->probe_resp, GFP_ATOMIC);
- if (skb == NULL)
- return;
-
- resp = (struct ieee80211_mgmt *) skb->data;
- memcpy(resp->da, mgmt->sa, ETH_ALEN);
-#ifdef IEEE80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: Sending ProbeResp to " MACSTR "\n",
- dev->name, MAC2STR(resp->da));
-#endif /* IEEE80211_IBSS_DEBUG */
- ieee80211_sta_tx(dev, skb, 0, 1);
-}
-
-
-void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status)
-{
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_if_sta *ifsta;
- struct ieee80211_mgmt *mgmt;
- u16 fc;
-
- if (skb->len < 24)
- goto fail;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) {
- printk(KERN_DEBUG "%s: ieee80211_sta_rx_mgmt: non-STA "
- "interface (type=%d)\n", dev->name, sdata->type);
- goto fail;
- }
- ifsta = &sdata->u.sta;
-
- mgmt = (struct ieee80211_mgmt *) skb->data;
- fc = le16_to_cpu(mgmt->frame_control);
-
- switch (WLAN_FC_GET_STYPE(fc)) {
- case WLAN_FC_STYPE_PROBE_REQ:
- ieee80211_rx_mgmt_probe_req(dev, ifsta, mgmt, skb->len,
- rx_status);
- break;
- case WLAN_FC_STYPE_PROBE_RESP:
- ieee80211_rx_mgmt_probe_resp(dev, mgmt, skb->len, rx_status);
- break;
- case WLAN_FC_STYPE_BEACON:
- ieee80211_rx_mgmt_beacon(dev, mgmt, skb->len, rx_status);
- break;
- case WLAN_FC_STYPE_AUTH:
- ieee80211_rx_mgmt_auth(dev, ifsta, mgmt, skb->len, rx_status);
- break;
- case WLAN_FC_STYPE_ASSOC_RESP:
- ieee80211_rx_mgmt_assoc_resp(dev, ifsta, mgmt, skb->len,
- rx_status, 0);
- break;
- case WLAN_FC_STYPE_REASSOC_RESP:
- ieee80211_rx_mgmt_assoc_resp(dev, ifsta, mgmt, skb->len,
- rx_status, 1);
- break;
- case WLAN_FC_STYPE_DEAUTH:
- ieee80211_rx_mgmt_deauth(dev, ifsta, mgmt, skb->len,
- rx_status);
- break;
- case WLAN_FC_STYPE_DISASSOC:
- ieee80211_rx_mgmt_disassoc(dev, ifsta, mgmt, skb->len,
- rx_status);
- break;
- default:
- printk(KERN_DEBUG "%s: received unknown management frame - "
- "stype=%d\n", dev->name, WLAN_FC_GET_STYPE(fc));
- break;
- }
-
- fail:
- dev_kfree_skb(skb);
-}
-
-
-void ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_rx_status *rx_status)
-{
- struct ieee80211_mgmt *mgmt;
- u16 fc;
-
- if (skb->len < 24) {
- dev_kfree_skb(skb);
- return;
- }
-
- mgmt = (struct ieee80211_mgmt *) skb->data;
- fc = le16_to_cpu(mgmt->frame_control);
-
- if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT) {
- if (WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
- ieee80211_rx_mgmt_probe_resp(dev, mgmt,
- skb->len, rx_status);
- } else if (WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON) {
- ieee80211_rx_mgmt_beacon(dev, mgmt, skb->len,
- rx_status);
- }
- }
-
- dev_kfree_skb(skb);
-}
-
-
-static int ieee80211_sta_active_ibss(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
- struct list_head *ptr;
- int active = 0;
- struct sta_info *sta;
-
- spin_lock_bh(&local->sta_lock);
- list_for_each(ptr, &local->sta_list) {
- sta = list_entry(ptr, struct sta_info, list);
- if (sta->dev == dev &&
- time_after(sta->last_rx + IEEE80211_IBSS_MERGE_INTERVAL,
- jiffies)) {
- active++;
- break;
- }
- }
- spin_unlock_bh(&local->sta_lock);
-
- return active;
-}
-
-
-static void ieee80211_sta_expire(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
- struct list_head *ptr, *n;
- struct sta_info *sta;
-
- spin_lock_bh(&local->sta_lock);
- list_for_each_safe(ptr, n, &local->sta_list) {
- sta = list_entry(ptr, struct sta_info, list);
- if (time_after(jiffies, sta->last_rx +
- IEEE80211_IBSS_INACTIVITY_LIMIT)) {
- printk(KERN_DEBUG "%s: expiring inactive STA " MACSTR
- "\n", dev->name, MAC2STR(sta->addr));
- sta_info_free(local, sta, 1);
- }
- }
- spin_unlock_bh(&local->sta_lock);
-}
-
-
-static void ieee80211_sta_merge_ibss(struct net_device *dev,
- struct ieee80211_if_sta *ifsta)
-{
- mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
-
- ieee80211_sta_expire(dev);
- if (ieee80211_sta_active_ibss(dev))
- return;
-
- printk(KERN_DEBUG "%s: No active IBSS STAs - trying to scan for other "
- "IBSS networks with same SSID (merge)\n", dev->name);
- ieee80211_sta_req_scan(dev, ifsta->ssid, ifsta->ssid_len);
-}
-
-
-void ieee80211_sta_timer(unsigned long ptr)
-{
- struct net_device *dev;
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_if_sta *ifsta;
-
- dev = (struct net_device *) ptr;
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA) {
- printk(KERN_DEBUG "%s: ieee80211_sta_timer: non-STA interface "
- "(type=%d)\n", dev->name, sdata->type);
- return;
- }
- ifsta = &sdata->u.sta;
-
- switch (ifsta->state) {
- case IEEE80211_DISABLED:
- break;
- case IEEE80211_AUTHENTICATE:
- ieee80211_authenticate(dev, ifsta);
- break;
- case IEEE80211_ASSOCIATE:
- ieee80211_associate(dev, ifsta);
- break;
- case IEEE80211_ASSOCIATED:
- ieee80211_associated(dev, ifsta);
- break;
- case IEEE80211_IBSS_SEARCH:
- ieee80211_sta_find_ibss(dev, ifsta);
- break;
- case IEEE80211_IBSS_JOINED:
- ieee80211_sta_merge_ibss(dev, ifsta);
- break;
- default:
- printk(KERN_DEBUG "ieee80211_sta_timer: Unknown state %d\n",
- ifsta->state);
- break;
- }
-
- if (ieee80211_privacy_mismatch(dev, ifsta)) {
- printk(KERN_DEBUG "%s: privacy configuration mismatch and "
- "mixed-cell disabled - disassociate\n", dev->name);
-
- ieee80211_send_disassoc(dev, ifsta, WLAN_REASON_UNSPECIFIED);
- ieee80211_set_associated(dev, ifsta, 0);
- }
-}
-
-
-static void ieee80211_sta_new_auth(struct net_device *dev,
- struct ieee80211_if_sta *ifsta)
-{
- struct ieee80211_local *local = dev->priv;
-
- if (local->conf.mode != IW_MODE_INFRA)
- return;
-
- if (local->hw->reset_tsf) {
- /* Reset own TSF to allow time synchronization work. */
- local->hw->reset_tsf(local->mdev);
- }
-
- ifsta->wmm_last_param_set = -1; /* allow any WMM update */
-
-
- if (ifsta->auth_algs & IEEE80211_AUTH_ALG_OPEN)
- ifsta->auth_alg = WLAN_AUTH_OPEN;
- else if (ifsta->auth_algs & IEEE80211_AUTH_ALG_SHARED_KEY)
- ifsta->auth_alg = WLAN_AUTH_SHARED_KEY;
- else if (ifsta->auth_algs & IEEE80211_AUTH_ALG_LEAP)
- ifsta->auth_alg = WLAN_AUTH_LEAP;
- else
- ifsta->auth_alg = WLAN_AUTH_OPEN;
- printk(KERN_DEBUG "%s: Initial auth_alg=%d\n", dev->name,
- ifsta->auth_alg);
- ifsta->auth_transaction = -1;
- ifsta->auth_tries = ifsta->assoc_tries = 0;
- ieee80211_authenticate(dev, ifsta);
-}
-
-
-static int ieee80211_ibss_allowed(struct ieee80211_local *local)
-{
- int m, c;
-
- for (m = 0; m < local->hw->num_modes; m++) {
- struct ieee80211_hw_modes *mode = &local->hw->modes[m];
- if (mode->mode != local->conf.phymode)
- continue;
- for (c = 0; c < mode->num_channels; c++) {
- struct ieee80211_channel *chan = &mode->channels[c];
- if (chan->flag & IEEE80211_CHAN_W_SCAN &&
- chan->chan == local->conf.channel) {
- if (chan->flag & IEEE80211_CHAN_W_IBSS)
- return 1;
- break;
- }
- }
- }
-
- return 0;
-}
-
-
-extern int ieee80211_ioctl_siwfreq(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_freq *freq, char *extra);
-
-static int ieee80211_sta_join_ibss(struct net_device *dev,
- struct ieee80211_if_sta *ifsta,
- struct ieee80211_sta_bss *bss)
-{
- struct ieee80211_local *local = dev->priv;
- struct iw_freq rq;
- int res, rates, i, j;
- struct sk_buff *skb;
- struct ieee80211_mgmt *mgmt;
- struct ieee80211_tx_control control;
- struct ieee80211_rate *rate;
- struct rate_control_extra extra;
- u8 *pos;
- struct ieee80211_sub_if_data *sdata;
-
- /* Remove possible STA entries from other IBSS networks. */
- sta_info_flush(local, NULL);
-
- if (local->hw->reset_tsf) {
- /* Reset own TSF to allow time synchronization work. */
- local->hw->reset_tsf(local->mdev);
- }
- memcpy(ifsta->bssid, bss->bssid, ETH_ALEN);
- memcpy(local->bssid, bss->bssid, ETH_ALEN);
- memcpy(local->conf.client_bssid, bss->bssid, ETH_ALEN);
-
- local->conf.beacon_int = bss->beacon_int >= 10 ? bss->beacon_int : 10;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- sdata->drop_unencrypted = bss->capability &
- cpu_to_le16(WLAN_CAPABILITY_PRIVACY) ? 1 : 0;
-
- memset(&rq, 0, sizeof(rq));
- rq.m = bss->freq * 100000;
- rq.e = 1;
- res = ieee80211_ioctl_siwfreq(dev, NULL, &rq, NULL);
-
- if (!ieee80211_ibss_allowed(local)) {
- printk(KERN_DEBUG "%s: IBSS not allowed on channel %d "
- "(%d MHz)\n", dev->name, local->conf.channel,
- local->conf.freq);
- return -1;
- }
-
- /* Set beacon template based on scan results */
- skb = dev_alloc_skb(400);
- do {
- if (skb == NULL)
- break;
-
- mgmt = (struct ieee80211_mgmt *)
- skb_put(skb, 24 + sizeof(mgmt->u.beacon));
- memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
- mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_BEACON);
- memset(mgmt->da, 0xff, ETH_ALEN);
- memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
- mgmt->u.beacon.beacon_int =
- cpu_to_le16(local->conf.beacon_int);
- mgmt->u.beacon.capab_info = cpu_to_le16(bss->capability);
-
- pos = skb_put(skb, 2 + ifsta->ssid_len);
- *pos++ = WLAN_EID_SSID;
- *pos++ = ifsta->ssid_len;
- memcpy(pos, ifsta->ssid, ifsta->ssid_len);
-
- rates = bss->supp_rates_len;
- if (rates > 8)
- rates = 8;
- pos = skb_put(skb, 2 + rates);
- *pos++ = WLAN_EID_SUPP_RATES;
- *pos++ = rates;
- memcpy(pos, bss->supp_rates, rates);
-
- pos = skb_put(skb, 2 + 1);
- *pos++ = WLAN_EID_DS_PARAMS;
- *pos++ = 1;
- *pos++ = bss->channel;
-
- pos = skb_put(skb, 2 + 2);
- *pos++ = WLAN_EID_IBSS_PARAMS;
- *pos++ = 2;
- /* FIX: set ATIM window based on scan results */
- *pos++ = 0;
- *pos++ = 0;
-
- if (bss->supp_rates_len > 8) {
- rates = bss->supp_rates_len - 8;
- pos = skb_put(skb, 2 + rates);
- *pos++ = WLAN_EID_EXT_SUPP_RATES;
- *pos++ = rates;
- memcpy(pos, &bss->supp_rates[8], rates);
- }
-
- memset(&control, 0, sizeof(control));
- control.pkt_type = PKT_PROBE_RESP;
- memset(&extra, 0, sizeof(extra));
- extra.endidx = local->num_curr_rates;
- rate = rate_control_get_rate(dev, skb, &extra);
- if (rate == NULL) {
- printk(KERN_DEBUG "%s: Failed to determine TX rate "
- "for IBSS beacon\n", dev->name);
- break;
- }
- control.tx_rate = (local->short_preamble &&
- (rate->flags & IEEE80211_RATE_PREAMBLE2)) ?
- rate->val2 : rate->val;
- control.antenna_sel = local->conf.antenna_sel;
- control.power_level = local->conf.power_level;
- control.no_ack = 1;
- control.retry_limit = 1;
- control.rts_cts_duration = 0;
-
- ifsta->probe_resp = skb_copy(skb, GFP_ATOMIC);
- if (ifsta->probe_resp) {
- mgmt = (struct ieee80211_mgmt *)
- ifsta->probe_resp->data;
- mgmt->frame_control =
- IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_PROBE_RESP);
- } else {
- printk(KERN_DEBUG "%s: Could not allocate ProbeResp "
- "template for IBSS\n", dev->name);
- }
-
- if (local->hw->beacon_update &&
- local->hw->beacon_update(dev, skb, &control) == 0) {
- printk(KERN_DEBUG "%s: Configured IBSS beacon "
- "template based on scan results\n", dev->name);
- skb = NULL;
- }
-
- rates = 0;
- for (i = 0; i < bss->supp_rates_len; i++) {
- int rate = (bss->supp_rates[i] & 0x7f) * 5;
- if (local->conf.phymode == MODE_ATHEROS_TURBO)
- rate *= 2;
- for (j = 0; j < local->num_curr_rates; j++)
- if (local->curr_rates[j].rate == rate)
- rates |= BIT(j);
- }
- ifsta->supp_rates_bits = rates;
- } while (0);
-
- if (skb) {
- printk(KERN_DEBUG "%s: Failed to configure IBSS beacon "
- "template\n", dev->name);
- dev_kfree_skb(skb);
- }
-
- ifsta->state = IEEE80211_IBSS_JOINED;
- mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
-
- ieee80211_rx_bss_put(dev, bss);
-
- return res;
-}
-
-
-static int ieee80211_sta_create_ibss(struct net_device *dev,
- struct ieee80211_if_sta *ifsta)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sta_bss *bss;
- struct ieee80211_sub_if_data *sdata;
- u8 bssid[ETH_ALEN], *pos;
- int i;
-
-#if 0
- /* Easier testing, use fixed BSSID. */
- memset(bssid, 0xfe, ETH_ALEN);
-#else
- /* Generate random, not broadcast, locally administered BSSID. Mix in
- * own MAC address to make sure that devices that do not have proper
- * random number generator get different BSSID. */
- get_random_bytes(bssid, ETH_ALEN);
- for (i = 0; i < ETH_ALEN; i++)
- bssid[i] ^= dev->dev_addr[i];
- bssid[0] &= ~0x01;
- bssid[0] |= 0x02;
-#endif
-
- printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID " MACSTR "\n",
- dev->name, MAC2STR(bssid));
-
- bss = ieee80211_rx_bss_add(dev, bssid);
- if (bss == NULL)
- return -ENOMEM;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (local->conf.beacon_int == 0)
- local->conf.beacon_int = 100;
- bss->beacon_int = local->conf.beacon_int;
- bss->hw_mode = local->conf.phymode;
- bss->channel = local->conf.channel;
- bss->freq = local->conf.freq;
- bss->last_update = jiffies;
- bss->capability = cpu_to_le16(WLAN_CAPABILITY_IBSS);
- if (sdata->default_key) {
- bss->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
- } else
- sdata->drop_unencrypted = 0;
- bss->supp_rates_len = local->num_curr_rates;
- pos = bss->supp_rates;
- for (i = 0; i < local->num_curr_rates; i++) {
- int rate = local->curr_rates[i].rate;
- if (local->conf.phymode == MODE_ATHEROS_TURBO)
- rate /= 2;
- *pos++ = (u8) (rate / 5);
- }
-
- return ieee80211_sta_join_ibss(dev, ifsta, bss);
-}
-
-
-static int ieee80211_sta_find_ibss(struct net_device *dev,
- struct ieee80211_if_sta *ifsta)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sta_bss *bss;
- int found = 0;
- u8 bssid[ETH_ALEN];
- struct list_head *ptr;
- int active_ibss;
-
- if (ifsta->ssid_len == 0)
- return -EINVAL;
-
- active_ibss = ieee80211_sta_active_ibss(dev);
-#ifdef IEEE80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: sta_find_ibss (active_ibss=%d)\n",
- dev->name, active_ibss);
-#endif /* IEEE80211_IBSS_DEBUG */
- spin_lock_bh(&local->sta_bss_lock);
- list_for_each(ptr, &local->sta_bss_list) {
- bss = list_entry(ptr, struct ieee80211_sta_bss, list);
- if (ifsta->ssid_len != bss->ssid_len ||
- memcmp(ifsta->ssid, bss->ssid, bss->ssid_len) != 0
- || !(bss->capability & WLAN_CAPABILITY_IBSS))
- continue;
-#ifdef IEEE80211_IBSS_DEBUG
- printk(KERN_DEBUG " bssid=" MACSTR " found\n",
- MAC2STR(bss->bssid));
-#endif /* IEEE80211_IBSS_DEBUG */
- memcpy(bssid, bss->bssid, ETH_ALEN);
- found = 1;
- if (active_ibss || memcmp(bssid, ifsta->bssid, ETH_ALEN) != 0)
- break;
- }
- spin_unlock_bh(&local->sta_bss_lock);
-
-#ifdef IEEE80211_IBSS_DEBUG
- printk(KERN_DEBUG " sta_find_ibss: selected " MACSTR " current "
- MACSTR "\n", MAC2STR(bssid), MAC2STR(ifsta->bssid));
-#endif /* IEEE80211_IBSS_DEBUG */
- if (found && memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0 &&
- (bss = ieee80211_rx_bss_get(dev, bssid))) {
- printk(KERN_DEBUG "%s: Selected IBSS BSSID " MACSTR
- " based on configured SSID\n",
- dev->name, MAC2STR(bssid));
- return ieee80211_sta_join_ibss(dev, ifsta, bss);
- }
-#ifdef IEEE80211_IBSS_DEBUG
- printk(KERN_DEBUG " did not try to join ibss\n");
-#endif /* IEEE80211_IBSS_DEBUG */
-
- /* Selected IBSS not found in current scan results - try to scan */
- if (ifsta->state == IEEE80211_IBSS_JOINED &&
- !ieee80211_sta_active_ibss(dev)) {
- mod_timer(&ifsta->timer,
- jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
- } else if (time_after(jiffies, local->last_scan_completed +
- IEEE80211_SCAN_INTERVAL)) {
- printk(KERN_DEBUG "%s: Trigger new scan to find an IBSS to "
- "join\n", dev->name);
- return ieee80211_sta_req_scan(dev, ifsta->ssid,
- ifsta->ssid_len);
- } else if (ifsta->state != IEEE80211_IBSS_JOINED) {
- int interval = IEEE80211_SCAN_INTERVAL;
-
- if (time_after(jiffies, ifsta->ibss_join_req +
- IEEE80211_IBSS_JOIN_TIMEOUT)) {
- if (ifsta->create_ibss &&
- ieee80211_ibss_allowed(local))
- return ieee80211_sta_create_ibss(dev, ifsta);
- if (ifsta->create_ibss) {
- printk(KERN_DEBUG "%s: IBSS not allowed on the"
- " configured channel %d (%d MHz)\n",
- dev->name, local->conf.channel,
- local->conf.freq);
- }
-
- /* No IBSS found - decrease scan interval and continue
- * scanning. */
- interval = IEEE80211_SCAN_INTERVAL_SLOW;
- }
-
- ifsta->state = IEEE80211_IBSS_SEARCH;
- mod_timer(&ifsta->timer, jiffies + interval);
- return 0;
- }
-
- return 0;
-}
-
-
-int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len)
-{
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_if_sta *ifsta;
- struct ieee80211_local *local = dev->priv;
-
- if (len > IEEE80211_MAX_SSID_LEN)
- return -EINVAL;
-
- /* TODO: This should always be done for IBSS, even if IEEE80211_QOS is
- * not defined. */
- if (local->hw->conf_tx) {
- struct ieee80211_tx_queue_params qparam;
- int i;
-
- memset(&qparam, 0, sizeof(qparam));
- /* TODO: are these ok defaults for all hw_modes? */
- qparam.aifs = 2;
- qparam.cw_min =
- local->conf.phymode == MODE_IEEE80211B ? 31 : 15;
- qparam.cw_max = 1023;
- qparam.burst_time = 0;
- for (i = IEEE80211_TX_QUEUE_DATA0; i < NUM_TX_DATA_QUEUES; i++)
- {
- local->hw->conf_tx(dev, i + IEEE80211_TX_QUEUE_DATA0,
- &qparam);
- }
- /* IBSS uses different parameters for Beacon sending */
- qparam.cw_min++;
- qparam.cw_min *= 2;
- qparam.cw_min--;
- local->hw->conf_tx(dev, IEEE80211_TX_QUEUE_BEACON, &qparam);
- }
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- ifsta = &sdata->u.sta;
-
- if (ifsta->ssid_len != len || memcmp(ifsta->ssid, ssid, len) != 0)
- ifsta->prev_bssid_set = 0;
- memcpy(ifsta->ssid, ssid, len);
- memset(ifsta->ssid + len, 0, IEEE80211_MAX_SSID_LEN - len);
- ifsta->ssid_len = len;
-
- ifsta->ssid_set = 1;
- if (local->conf.mode == IW_MODE_ADHOC && !ifsta->bssid_set) {
- ifsta->ibss_join_req = jiffies;
- ifsta->state = IEEE80211_IBSS_SEARCH;
- return ieee80211_sta_find_ibss(dev, ifsta);
- }
-
- if (ifsta->bssid_set && ifsta->state != IEEE80211_AUTHENTICATE)
- ieee80211_sta_new_auth(dev, ifsta);
-
- return 0;
-}
-
-
-int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
- memcpy(ssid, ifsta->ssid, ifsta->ssid_len);
- *len = ifsta->ssid_len;
- return 0;
-}
-
-
-int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_if_sta *ifsta;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- ifsta = &sdata->u.sta;
-
- memcpy(ifsta->bssid, bssid, ETH_ALEN);
- if (local->conf.mode == IW_MODE_ADHOC)
- memcpy(local->bssid, bssid, ETH_ALEN);
-
- if (memcmp(bssid, "\x00\x00\x00\x00\x00\x00", ETH_ALEN) == 0)
- ifsta->bssid_set = 0;
- else
- ifsta->bssid_set = 1;
- if (ifsta->ssid_set)
- ieee80211_sta_new_auth(dev, ifsta);
-
- return 0;
-}
-
-
-static void ieee80211_sta_save_oper_chan(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
- local->scan_oper_channel = local->conf.channel;
- local->scan_oper_channel_val = local->conf.channel_val;
- local->scan_oper_power_level = local->conf.power_level;
- local->scan_oper_freq = local->conf.freq;
- local->scan_oper_phymode = local->conf.phymode;
- local->scan_oper_antenna_max = local->conf.antenna_max;
-}
-
-
-static int ieee80211_sta_restore_oper_chan(struct net_device *dev)
-{
- struct ieee80211_local *local = dev->priv;
- local->conf.channel = local->scan_oper_channel;
- local->conf.channel_val = local->scan_oper_channel_val;
- local->conf.power_level = local->scan_oper_power_level;
- local->conf.freq = local->scan_oper_freq;
- local->conf.phymode = local->scan_oper_phymode;
- local->conf.antenna_max = local->scan_oper_antenna_max;
- return ieee80211_hw_config(dev);
-}
-
-
-static int ieee80211_active_scan(struct ieee80211_local *local)
-{
- int m, c;
-
- for (m = 0; m < local->hw->num_modes; m++) {
- struct ieee80211_hw_modes *mode = &local->hw->modes[m];
- if (mode->mode != local->conf.phymode)
- continue;
- for (c = 0; c < mode->num_channels; c++) {
- struct ieee80211_channel *chan = &mode->channels[c];
- if (chan->flag & IEEE80211_CHAN_W_SCAN &&
- chan->chan == local->conf.channel) {
- if (chan->flag & IEEE80211_CHAN_W_ACTIVE_SCAN)
- return 1;
- break;
- }
- }
- }
-
- return 0;
-}
-
-
-static void ieee80211_sta_scan_timer(unsigned long ptr)
-{
- struct net_device *dev = (struct net_device *) ptr;
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_hw_modes *mode;
- struct ieee80211_channel *chan;
- int skip;
- union iwreq_data wrqu;
-
- if (!local->sta_scanning)
- return;
-
- switch (local->scan_state) {
- case SCAN_SET_CHANNEL:
- mode = &local->hw->modes[local->scan_hw_mode_idx];
- if (local->scan_hw_mode_idx >= local->hw->num_modes ||
- (local->scan_hw_mode_idx + 1 == local->hw->num_modes &&
- local->scan_channel_idx >= mode->num_channels)) {
- if (ieee80211_sta_restore_oper_chan(dev)) {
- printk(KERN_DEBUG "%s: failed to restore "
- "operational channel after scan\n",
- dev->name);
- }
- printk(KERN_DEBUG "%s: scan completed\n", dev->name);
- local->sta_scanning = 0;
- local->last_scan_completed = jiffies;
- memset(&wrqu, 0, sizeof(wrqu));
- wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
- if (local->conf.mode == IW_MODE_ADHOC) {
- struct ieee80211_sub_if_data *sdata =
- IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
- if (!ifsta->bssid_set ||
- (ifsta->state == IEEE80211_IBSS_JOINED &&
- !ieee80211_sta_active_ibss(dev)))
- ieee80211_sta_find_ibss(dev, ifsta);
- }
- return;
- }
- skip = !(local->hw_modes & (1 << mode->mode));
- chan = &mode->channels[local->scan_channel_idx];
- if (!(chan->flag & IEEE80211_CHAN_W_SCAN) ||
- (local->conf.mode == IW_MODE_ADHOC &&
- !(chan->flag & IEEE80211_CHAN_W_IBSS)) ||
- (local->hw_modes & (1 << MODE_IEEE80211G) &&
- mode->mode == MODE_IEEE80211B && local->scan_skip_11b))
- skip = 1;
-
- if (!skip) {
-#if 0
- printk(KERN_DEBUG "%s: scan channel %d (%d MHz)\n",
- dev->name, chan->chan, chan->freq);
-#endif
-
- local->conf.channel = chan->chan;
- local->conf.channel_val = chan->val;
- local->conf.power_level = chan->power_level;
- local->conf.freq = chan->freq;
- local->conf.phymode = mode->mode;
- local->conf.antenna_max = chan->antenna_max;
- if (ieee80211_hw_config(dev)) {
- printk(KERN_DEBUG "%s: failed to set channel "
- "%d (%d MHz) for scan\n", dev->name,
- chan->chan, chan->freq);
- skip = 1;
- }
- }
-
- local->scan_channel_idx++;
- if (local->scan_channel_idx >=
- local->hw->modes[local->scan_hw_mode_idx].num_channels) {
- local->scan_hw_mode_idx++;
- local->scan_channel_idx = 0;
- }
-
- if (skip) {
- local->scan_timer.expires = jiffies;
- break;
- }
-
- local->scan_timer.expires = jiffies + IEEE80211_PROBE_DELAY;
- local->scan_state = SCAN_SEND_PROBE;
- break;
- case SCAN_SEND_PROBE:
- if (ieee80211_active_scan(local)) {
- ieee80211_send_probe_req(dev, NULL, local->scan_ssid,
- local->scan_ssid_len);
- local->scan_timer.expires =
- jiffies + IEEE80211_CHANNEL_TIME;
- } else {
- local->scan_timer.expires =
- jiffies + IEEE80211_PASSIVE_CHANNEL_TIME;
- }
- local->scan_state = SCAN_SET_CHANNEL;
- break;
- }
-
- add_timer(&local->scan_timer);
-}
-
-
-int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len)
-{
- struct ieee80211_local *local = dev->priv;
-
- if (ssid_len > IEEE80211_MAX_SSID_LEN)
- return -EINVAL;
-
- /* MLME-SCAN.request (page 118) page 144 (11.1.3.1)
- * BSSType: INFRASTRUCTURE, INDEPENDENT, ANY_BSS
- * BSSID: MACAddress
- * SSID
- * ScanType: ACTIVE, PASSIVE
- * ProbeDelay: delay (in microseconds) to be used prior to transmitting
- * a Probe frame during active scanning
- * ChannelList
- * MinChannelTime (>= ProbeDelay), in TU
- * MaxChannelTime: (>= MinChannelTime), in TU
- */
-
- /* MLME-SCAN.confirm
- * BSSDescriptionSet
- * ResultCode: SUCCESS, INVALID_PARAMETERS
- */
-
- /* TODO: if assoc, move to power save mode for the duration of the
- * scan */
-
- if (local->sta_scanning)
- return -EBUSY;
-
- printk(KERN_DEBUG "%s: starting scan\n", dev->name);
-
- ieee80211_sta_save_oper_chan(dev);
-
- local->sta_scanning = 1;
- /* TODO: stop TX queue? */
-
- if (ssid) {
- local->scan_ssid_len = ssid_len;
- memcpy(local->scan_ssid, ssid, ssid_len);
- } else
- local->scan_ssid_len = 0;
- local->scan_skip_11b = 1; /* FIX: clear this is 11g is not supported */
- local->scan_state = SCAN_SET_CHANNEL;
- local->scan_hw_mode_idx = 0;
- local->scan_channel_idx = 0;
- init_timer(&local->scan_timer);
- local->scan_timer.data = (unsigned long) dev;
- local->scan_timer.function = ieee80211_sta_scan_timer;
- local->scan_timer.expires = jiffies + 1;
- add_timer(&local->scan_timer);
-
- return 0;
-}
-
-
-static char *
-ieee80211_sta_scan_result(struct net_device *dev,
- struct ieee80211_sta_bss *bss,
- char *current_ev, char *end_buf)
-{
- struct ieee80211_local *local = dev->priv;
- struct iw_event iwe;
-
- if (time_after(jiffies,
- bss->last_update + IEEE80211_SCAN_RESULT_EXPIRE))
- return current_ev;
-
- if (!(local->hw_modes & (1 << bss->hw_mode)))
- return current_ev;
-
- if (local->scan_flags & IEEE80211_SCAN_WPA_ONLY &&
- bss->wpa_ie == NULL && bss->rsn_ie == NULL)
- return current_ev;
-
- if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID &&
- (local->scan_ssid_len != bss->ssid_len ||
- memcmp(local->scan_ssid, bss->ssid, bss->ssid_len) != 0))
- return current_ev;
-
- memset(&iwe, 0, sizeof(iwe));
- iwe.cmd = SIOCGIWAP;
- iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
- memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
- current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
- IW_EV_ADDR_LEN);
-
- memset(&iwe, 0, sizeof(iwe));
- iwe.cmd = SIOCGIWESSID;
- iwe.u.data.length = bss->ssid_len;
- iwe.u.data.flags = 1;
- current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
- bss->ssid);
-
- if (bss->capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
- memset(&iwe, 0, sizeof(iwe));
- iwe.cmd = SIOCGIWMODE;
- if (bss->capability & WLAN_CAPABILITY_ESS)
- iwe.u.mode = IW_MODE_MASTER;
- else
- iwe.u.mode = IW_MODE_ADHOC;
- current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
- IW_EV_UINT_LEN);
- }
-
- memset(&iwe, 0, sizeof(iwe));
- iwe.cmd = SIOCGIWFREQ;
- iwe.u.freq.m = bss->freq * 100000;
- iwe.u.freq.e = 1;
- current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
- IW_EV_FREQ_LEN);
-
- memset(&iwe, 0, sizeof(iwe));
- iwe.cmd = SIOCGIWENCODE;
- if (bss->capability & WLAN_CAPABILITY_PRIVACY)
- iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
- else
- iwe.u.data.flags = IW_ENCODE_DISABLED;
- iwe.u.data.length = 0;
- current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, "");
-
- if (bss && bss->wpa_ie) {
- char *buf, *p;
- int i;
- buf = kmalloc(30 + bss->wpa_ie_len * 2, GFP_ATOMIC);
- if (buf) {
- p = buf;
- p += sprintf(p, "wpa_ie=");
- for (i = 0; i < bss->wpa_ie_len; i++)
- p+= sprintf(p, "%02x", bss->wpa_ie[i]);
- memset(&iwe, 0, sizeof(iwe));
- iwe.cmd = IWEVCUSTOM;
- iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(current_ev, end_buf,
- &iwe, buf);
- kfree(buf);
- }
- }
-
- if (bss && bss->rsn_ie) {
- char *buf, *p;
- int i;
- buf = kmalloc(30 + bss->rsn_ie_len * 2, GFP_ATOMIC);
- if (buf) {
- p = buf;
- p += sprintf(p, "rsn_ie=");
- for (i = 0; i < bss->rsn_ie_len; i++)
- p+= sprintf(p, "%02x", bss->rsn_ie[i]);
- memset(&iwe, 0, sizeof(iwe));
- iwe.cmd = IWEVCUSTOM;
- iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(current_ev, end_buf,
- &iwe, buf);
- kfree(buf);
- }
- }
-
- if (bss) {
- char *buf;
- buf = kmalloc(30, GFP_ATOMIC);
- if (buf) {
- memset(&iwe, 0, sizeof(iwe));
- iwe.cmd = IWEVCUSTOM;
- sprintf(buf, "tsf=%016llx", bss->timestamp);
- iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(current_ev, end_buf,
- &iwe, buf);
- kfree(buf);
- }
- }
-
- do {
- char *buf, *p;
- int i;
-
- if (!(local->scan_flags & IEEE80211_SCAN_EXTRA_INFO))
- break;
-
- buf = kmalloc(100, GFP_ATOMIC);
- if (buf == NULL)
- break;
-
- memset(&iwe, 0, sizeof(iwe));
- iwe.cmd = IWEVCUSTOM;
- sprintf(buf, "bcn_int=%d", bss->beacon_int);
- iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
- buf);
-
- memset(&iwe, 0, sizeof(iwe));
- iwe.cmd = IWEVCUSTOM;
- sprintf(buf, "rssi=%d", bss->rssi);
- iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
- buf);
-
- memset(&iwe, 0, sizeof(iwe));
- iwe.cmd = IWEVCUSTOM;
- sprintf(buf, "capab=0x%04x", bss->capability);
- iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
- buf);
-
- p = buf;
- p += sprintf(p, "supp_rates=");
- for (i = 0; i < bss->supp_rates_len; i++)
- p+= sprintf(p, "%02x", bss->supp_rates[i]);
- memset(&iwe, 0, sizeof(iwe));
- iwe.cmd = IWEVCUSTOM;
- iwe.u.data.length = strlen(buf);
- current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
- buf);
-
- kfree(buf);
- break;
- } while (0);
-
- return current_ev;
-}
-
-
-int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len)
-{
- struct ieee80211_local *local = dev->priv;
- struct list_head *ptr;
- char *current_ev = buf;
- char *end_buf = buf + len;
- struct ieee80211_sta_bss *bss;
-
- spin_lock_bh(&local->sta_bss_lock);
- list_for_each(ptr, &local->sta_bss_list) {
- bss = list_entry(ptr, struct ieee80211_sta_bss, list);
- current_ev = ieee80211_sta_scan_result(dev, bss, current_ev,
- end_buf);
- }
- spin_unlock_bh(&local->sta_bss_lock);
- return current_ev - buf;
-}
-
-
-int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
- kfree(ifsta->extra_ie);
- if (len == 0) {
- ifsta->extra_ie = NULL;
- ifsta->extra_ie_len = 0;
- return 0;
- }
- ifsta->extra_ie = kmalloc(len, GFP_KERNEL);
- if (ifsta->extra_ie == NULL) {
- ifsta->extra_ie_len = 0;
- return -ENOMEM;
- }
- memcpy(ifsta->extra_ie, ie, len);
- ifsta->extra_ie_len = len;
- if (ifsta->bssid_set && ifsta->ssid_set &&
- ifsta->state != IEEE80211_AUTHENTICATE)
- ieee80211_sta_new_auth(dev, ifsta);
- return 0;
-}
-
-
-struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev,
- struct sk_buff *skb, u8 *bssid,
- u8 *addr)
-{
- struct ieee80211_local *local = dev->priv;
- struct list_head *ptr;
- struct sta_info *sta;
- struct ieee80211_sub_if_data *sdata = NULL;
- struct net_device *sta_dev = NULL;
-
- /* TODO: Could consider removing the least recently used entry and
- * allow new one to be added. */
- if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: No room for a new IBSS STA "
- "entry " MACSTR "\n", dev->name, MAC2STR(addr));
- }
- return NULL;
- }
-
- spin_lock_bh(&local->sub_if_lock);
- list_for_each(ptr, &local->sub_if_list) {
- sdata = list_entry(ptr, struct ieee80211_sub_if_data, list);
- if (sdata->type == IEEE80211_SUB_IF_TYPE_STA &&
- memcmp(bssid, sdata->u.sta.bssid, ETH_ALEN) == 0) {
- sta_dev = sdata->dev;
- break;
- }
- }
- spin_unlock_bh(&local->sub_if_lock);
-
- if (sta_dev == NULL)
- return NULL;
-
- printk(KERN_DEBUG "%s: Adding new IBSS station " MACSTR " (dev=%s)\n",
- dev->name, MAC2STR(addr), sta_dev->name);
-
- sta = sta_info_add(local, dev, addr);
- if (sta == NULL) {
- return NULL;
- }
-
- sta->dev = sta_dev;
- sta->supp_rates = sdata->u.sta.supp_rates_bits;
-
- rate_control_rate_init(local, sta);
-
- return sta; /* caller will call sta_info_release() */
-}
-
-
-int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-
- printk(KERN_DEBUG "%s: deauthenticate(reason=%d)\n",
- dev->name, reason);
-
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- return -EINVAL;
-
- ieee80211_send_deauth(dev, ifsta, reason);
- ieee80211_set_associated(dev, ifsta, 0);
- return 0;
-}
-
-
-int ieee80211_sta_disassociate(struct net_device *dev, u16 reason)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-
- printk(KERN_DEBUG "%s: disassociate(reason=%d)\n",
- dev->name, reason);
-
- if (sdata->type != IEEE80211_SUB_IF_TYPE_STA)
- return -EINVAL;
-
- if (!ifsta->associated)
- return -1;
-
- ieee80211_send_disassoc(dev, ifsta, reason);
- ieee80211_set_associated(dev, ifsta, 0);
- return 0;
-}
+++ /dev/null
-/*
- * Low-level hardware driver -- IEEE 802.11 driver (80211.o) interface
- * Copyright 2002-2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef IEEE80211_H
-#define IEEE80211_H
-
-#include "ieee80211_shared.h"
-
-/* Note! Only ieee80211_tx_status_irqsafe() and ieee80211_rx_irqsave() can be
- * called in hardware interrupt context. The low-level driver must not call any
- * other functions in hardware interrupt context. If there is a need for such
- * call, the low-level driver should first ACK the interrupt and perform the
- * IEEE 802.11 code call after this, e.g., from a scheduled tasklet (in
- * software interrupt context).
- */
-
-/*
- * Frame format used when passing frame between low-level hardware drivers
- * and IEEE 802.11 driver the same as used in the wireless media, i.e.,
- * buffers start with IEEE 802.11 header and include the same octets that
- * are sent over air.
- *
- * If hardware uses IEEE 802.3 headers (and perform 802.3 <-> 802.11
- * conversion in firmware), upper layer 802.11 code needs to be changed to
- * support this.
- *
- * If the receive frame format is not the same as the real frame sent
- * on the wireless media (e.g., due to padding etc.), upper layer 802.11 code
- * could be updated to provide support for such format assuming this would
- * optimize the performance, e.g., by removing need to re-allocation and
- * copying of the data.
- */
-
-/* Interface version (used for compatibility verification) */
-#define IEEE80211_VERSION 2
-
-
-/* Channel information structure. Low-level driver is expected to fill in chan,
- * freq, and val fields. Other fields will be filled in by 80211.o based on
- * hostapd information and low-level driver does not need to use them. The
- * limits for each channel will be provided in 'struct ieee80211_conf' when
- * configuring the low-level driver with hw->config callback. */
-struct ieee80211_channel {
- short chan; /* channel number (IEEE 802.11) */
- short freq; /* frequency in MHz */
- int val; /* hw specific value for the channel */
- int flag; /* flag for hostapd use (IEEE80211_CHAN_*) */
- unsigned char power_level;
- unsigned char antenna_max;
-};
-
-struct ieee80211_rate {
- int rate; /* rate in 100 kbps */
- int val; /* hw specific value for the rate */
- int flags; /* IEEE80211_RATE_ flags */
- int val2; /* hw specific value for the rate when using short preamble
- * (only when IEEE80211_RATE_PREAMBLE2 flag is set, i.e., for
- * 2, 5.5, and 11 Mbps) */
- signed char min_rssi_ack;
- unsigned char min_rssi_ack_delta;
-
- /* following fields are set by 80211.o and need not be filled by the
- * low-level driver */
- int rate_inv; /* inverse of the rate (LCM(all rates) / rate) for
- * optimizing channel utilization estimates */
-};
-
-struct ieee80211_hw_modes {
- int mode;
- int num_channels;
- struct ieee80211_channel *channels;
- int num_rates;
- struct ieee80211_rate *rates;
- int xr_end; /* only used with Atheros XR */
-};
-
-struct ieee80211_tx_queue_params {
- int aifs; /* 0 .. 255; -1 = use default */
- int cw_min; /* 2^n-1: 1, 3, 7, .. , 1023; 0 = use default */
- int cw_max; /* 2^n-1: 1, 3, 7, .. , 1023; 0 = use default */
- int burst_time; /* maximum burst time in 0.1 ms (i.e., 10 = 1 ms);
- * 0 = disabled */
-};
-
-#define NUM_TX_DATA_QUEUES 6
-
-struct ieee80211_tx_queue_stats_data {
- unsigned int len; /* num packets in queue */
- unsigned int limit; /* queue len (soft) limit */
- unsigned int count; /* total num frames sent */
-};
-
-struct ieee80211_tx_queue_stats {
- struct ieee80211_tx_queue_stats_data data[NUM_TX_DATA_QUEUES];
-};
-
-#ifndef IEEE80211_TX_QUEUE_NUMS
-#define IEEE80211_TX_QUEUE_NUMS
-/* TODO: these need to be synchronized with hostapd_ioctl.h; make a shared
- * header file that can be included into low-level drivers, 80211.o, and
- * hostapd */
-enum {
- IEEE80211_TX_QUEUE_DATA0 = 0,
- IEEE80211_TX_QUEUE_DATA1 = 1,
- IEEE80211_TX_QUEUE_DATA2 = 2,
- IEEE80211_TX_QUEUE_DATA3 = 3,
- IEEE80211_TX_QUEUE_DATA4 = 4,
- IEEE80211_TX_QUEUE_SVP = 5,
- IEEE80211_TX_QUEUE_AFTER_BEACON = 6,
- IEEE80211_TX_QUEUE_BEACON = 7
-};
-#endif /* IEEE80211_TX_QUEUE_NUMS */
-
-
-struct ieee80211_low_level_stats {
- unsigned int dot11ACKFailureCount;
- unsigned int dot11RTSFailureCount;
- unsigned int dot11FCSErrorCount;
- unsigned int dot11RTSSuccessCount;
-};
-
-/* Transmit control fields. This data structure is passed to low-level driver
- * with each TX frame. The low-level driver is responsible of configuring
- * hardware to use given values (depending on what is supported). */
-#define HW_KEY_IDX_INVALID -1
-
-struct ieee80211_tx_control {
- enum { PKT_NORMAL = 0, PKT_PROBE_RESP } pkt_type;
- int tx_rate; /* Transmit rate, given as the hw specific value for the
- * rate (from struct ieee80211_rate) */
- int rts_cts_rate; /* Transmit rate for RTS/CTS frame, given as the hw
- * specific value for the rate (from
- * struct ieee80211_rate) */
- /* 1 = only first attempt, 2 = one retry, .. */
- unsigned int retry_limit:8;
- /* duration field for RTS/CTS frame */
- unsigned int rts_cts_duration:16;
- /* TODO: change these bit flags to use one unsigned int variable and
- * defines with BIT(n). These are copied to TX status structure and
- * this will make the code faster and smaller. */
- unsigned int req_tx_status:1; /* request TX status callback for this
- * frame */
- unsigned int do_not_encrypt:1; /* send this frame without encryption;
- * e.g., for EAPOL frames */
- unsigned int use_rts_cts:1; /* Use RTS-CTS before sending frame. */
- unsigned int use_cts_protect:1; /* Use CTS protection for the frame
- * (e.g., for combined 802.11g /
- * 802.11b networks) */
- unsigned int no_ack:1; /* Tell the low level not to wait for an ack */
- unsigned int rate_ctrl_probe:1;
- unsigned int clear_dst_mask:1;
- unsigned int requeue:1;
- /* following three flags are only used with Atheros Super A/G */
- unsigned int compress:1;
- unsigned int turbo_prime_notify:1; /* notify HostaAPd after frame
- * transmission */
- unsigned int fast_frame:1;
-
- unsigned int atheros_xr:1; /* only used with Atheros XR */
-
- unsigned int power_level:8; /* per-packet transmit power level, in dBm
- */
- unsigned int antenna_sel:4; /* 0 = default/diversity,
- * 1 = Ant0, 2 = Ant1 */
- int key_idx:8; /* -1 = do not encrypt, >= 0 keyidx from hw->set_key()
- */
- int icv_len:8; /* Length of the ICV/MIC field in octets */
- int iv_len:8; /* Length of the IV field in octets */
- unsigned int queue:4; /* hardware queue to use for this frame;
- * 0 = highest, hw->queues-1 = lowest */
- unsigned int sw_retry_attempt:4; /* no. of times hw has tried to
- * transmit frame (not incl. hw retries) */
-
-#if 0
- int rateidx; /* internal 80211.o rateidx, to be copied to tx_status */
- int alt_retry_rate; /* retry rate for the last retries, given as the
- * hw specific value for the rate (from
- * struct ieee80211_rate). To be used to limit
- * packet dropping when probing higher rates, if hw
- * supports multiple retry rates. -1 = not used */
-#endif
-};
-
-#define IEEE80211_CB_MAGIC 0xAAB80211
-
-struct ieee80211_tx_packet_data {
- unsigned int magic;
- struct ieee80211_tx_control control;
- unsigned long jiffies;
- struct ieee80211_sub_if_data *sdata;
-};
-
-#define RX_FLAG_MMIC_ERROR 0x1
-#define RX_FLAG_DECRYPTED 0x2
-#define RX_FLAG_XR_DOUBLE_CHIRP 0x4
-
-/* Receive status. The low-level driver should provide this information
- * (the subset supported by hardware) to the 802.11 code with each received
- * frame.
- * Current implementation copies this into skb->cb, so it must be less than
- * 48 bytes. */
-struct ieee80211_rx_status {
-#if 0
- u64 hosttime;
- u64 mactime;
-#endif
- int freq; /* receive frequency in Mhz */
- int channel;
- int phymode;
- int ssi;
- int antenna;
- int rate;
- int flag;
-};
-
-/* Transmit status. The low-level driver should provide this information
- * (the subset supported by hardware) to the 802.11 code for each transmit
- * frame. */
-struct ieee80211_tx_status {
- /* flags copied from struct ieee80211_tx_control) */
- unsigned int req_tx_status:1; /* whether TX status was explicitly
- * requested */
- unsigned int rate_ctrl_probe:1; /* whether this was a probe packet from
- * rate control */
- unsigned int tx_filtered:1;
-
- /* following three fields are only used with Atheros Super A/G */
- unsigned int turbo_prime_notify:1; /* notify HostAPd - CTS for Turbo
- * Prime is sent */
- int queue_length; /* information about TX queue */
- int queue_number;
-
- int ack; /* whether the TX frame was ACKed */
- int ack_signal; /* measured signal strength of the ACK frame */
- int excessive_retries;
- int retry_count;
- int rateidx; /* internal 80211.o rateidx, to be copied to tx_status */
-};
-
-
-struct ieee80211_conf {
- int channel; /* IEEE 802.11 channel number */
- int freq; /* MHz */
- int channel_val; /* hw specific value for the channel */
-
- int mode; /* IW_MODE_ */
-
- int phymode; /* MODE_IEEE80211A, .. */
- unsigned int regulatory_domain;
- int adm_status;
-
- int beacon_int;
-
- /* Bitfields, grouped together */
-
- int sw_encrypt:1;
- int sw_decrypt:1;
- int short_slot_time:1; /* use IEEE 802.11g Short Slot Time */
- int ssid_hidden:1; /* do not broadcast the ssid */
-
- /* these fields are used by low level drivers for hardware
- * that generate beacons independently */
- u8 *ssid;
- size_t ssid_len;
- u8 *generic_elem;
- size_t generic_elem_len;
-
- u8 power_level; /* transmit power limit for current
- * regulatory domain; in dBm */
- u8 antenna_max; /* maximum antenna gain */
- short tx_power_reduction; /* in 0.1 dBm */
-
- int antenna_sel; /* default antenna conf:
- * 0 = default/diversity,
- * 1 = Ant0,
- * 2 = Ant1 */
-
- int calib_int; /* hw/radio calibration interval in
- * seconds */
- int antenna_def;
- int antenna_mode;
-
- u8 bssid_mask[ETH_ALEN]; /* ff:ff:ff:ff:ff:ff = 1 BSSID */
- int bss_count;
-
- int atheros_super_ag_compression;
- int atheros_super_ag_fast_frame;
- int atheros_super_ag_burst;
- int atheros_super_ag_wme_ele;
- int atheros_super_ag_turbo_g;
- int atheros_super_ag_turbo_prime;
-
- int atheros_xr;
-
- u8 client_bssid[ETH_ALEN];
-
- /* Following five fields are used for IEEE 802.11H */
- unsigned int radar_detect;
- unsigned int spect_mgmt;
- unsigned int quiet_duration; /* duration of quiet period */
- unsigned int quiet_offset; /* how far into the beacon is the quiet
- * period */
- unsigned int quiet_period;
-};
-
-
-typedef enum { ALG_NONE, ALG_WEP, ALG_TKIP, ALG_CCMP, ALG_NULL }
-ieee80211_key_alg;
-
-
-struct ieee80211_key_conf {
-
- int hw_key_idx; /* filled + used by low-level driver */
- ieee80211_key_alg alg;
- int keylen;
-
- int force_sw_encrypt:1; /* to be cleared by low-level driver */
- int keyidx:8; /* WEP key index */
- int default_tx_key:1; /* This key is the new default TX key
- * (used only for broadcast keys). */
- int default_wep_only:1; /* static WEP is the only configured security
- * policy; this allows some low-level drivers
- * to determine when hwaccel can be used */
- u8 key[0];
-};
-
-#define IEEE80211_SCAN_START 1
-#define IEEE80211_SCAN_END 2
-
-struct ieee80211_scan_conf {
- int scan_channel; /* IEEE 802.11 channel number to do passive scan
- * on */
- int scan_freq; /* new freq in MHz to switch to for passive scan
- */
- int scan_channel_val; /* hw specific value for the channel */
- int scan_phymode; /* MODE_IEEE80211A, .. */
- unsigned char scan_power_level;
- unsigned char scan_antenna_max;
-
-
- int running_channel; /* IEEE 802.11 channel number we operate on
- * normally */
- int running_freq; /* freq in MHz we're operating on normally */
- int running_channel_val; /* hw specific value for the channel */
- int running_phymode;
- unsigned char running_power_level;
- unsigned char running_antenna_max;
-
- int scan_time; /* time a scan will take in us */
- int tries;
-
- struct sk_buff *skb; /* skb to transmit before changing channels, maybe
- * NULL for none */
- struct ieee80211_tx_control *tx_control;
-
-};
-
-#ifndef IW_MODE_ADHOC
-#define IW_MODE_ADHOC 1
-#endif
-
-#ifndef IW_MODE_INFRA
-#define IW_MODE_INFRA 2
-#endif
-
-#ifndef IW_MODE_MASTER
-#define IW_MODE_MASTER 3
-#endif
-
-#ifndef IW_MODE_MONITOR
-#define IW_MODE_MONITOR 6
-#endif
-
-#define IEEE80211_SEQ_COUNTER_RX 0
-#define IEEE80211_SEQ_COUNTER_TX 1
-
-typedef enum {
- SET_KEY, DISABLE_KEY, REMOVE_ALL_KEYS,
- ENABLE_COMPRESSION, DISABLE_COMPRESSION
-} set_key_cmd;
-
-/* Configuration block used by the low-level driver to tell 802.11 code about
- * supported hardware features and to pass function pointers for callback
- * functions. */
-struct ieee80211_hw {
- int version; /* IEEE80211_VERSION */
-
- /* Driver name */
- char *name;
-
- /* TODO: frame_type 802.11/802.3, sw_encryption requirements */
-
- /* Some wireless LAN chipsets generate beacons in the hardware/firmware
- * and others rely on host generated beacons. This option is used to
- * configure upper layer IEEE 802.11 module to generate beacons. The
- * low-level driver can use ieee80211_beacon_get() to fetch next
- * beacon frame. */
- int host_gen_beacon:1;
-
-
- /* Some devices handle decryption internally and do not
- * indicate whether the frame was encrypted (unencrypted frames
- * will be dropped by the hardware, unless specifically allowed
- * through) */
- int device_hides_wep:1;
-
- /* Whether RX frames passed to ieee80211_rx() include FCS in the end
- */
- int rx_includes_fcs:1;
-
- /* Some wireless LAN chipsets buffer broadcast/multicast frames for
- * power saving stations in the hardware/firmware and others rely on
- * the host system for such buffering. This option is used to
- * configure upper layer IEEE 802.11 to buffer broadcast/multicast
- * frames when there are power saving stations so that low-level driver
- * can fetch them with ieee80211_get_buffered_bc(). */
- int host_broadcast_ps_buffering:1;
-
- int wep_include_iv:1;
- int data_nullfunc_ack:1; /* will data nullfunc frames get proper
- * TX status callback */
-
- /* Force sw version of encryption for TKIP packets if WMM is enabled.
- */
- int no_tkip_wmm_hwaccel:1;
-
- /* 1 if the payload needs to be padded at even boundaries after the
- * header */
- unsigned int extra_hdr_room:1;
-
- /* Some devices handle Michael MIC internally and do not include MIC in
- * the received packets given to 80211.o. device_strips_mic must be set
- * for such devices. ISWEP bit is still expected to be set in the IEEE
- * 802.11 header with this option unlike with device_hides_wep option.
- */
- unsigned int device_strips_mic:1;
-
- /* 1 = low-level driver supports skb fraglist (NETIF_F_FRAGLIST), i.e.,
- * more than one skb per frame */
- unsigned int fraglist;
-
- /* This is the time in us to change channels
- */
- int channel_change_time;
-
- int num_modes;
- struct ieee80211_hw_modes *modes;
-
- /* Handler that 802.11 module calls for each transmitted frame.
- * skb contains the buffer starting from the IEEE 802.11 header.
- * The low-level driver should send the frame out based on
- * configuration in the TX control data. */
- int (*tx)(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_tx_control *control);
-
- /* Handler for performing hardware reset. */
- int (*reset)(struct net_device *dev);
-
- /* Handler that is called when any netdevice attached to the hardware
- * device is set UP for the first time. This can be used, e.g., to
- * enable interrupts and beacon sending. */
- int (*open)(struct net_device *dev);
-
- /* Handler that is called when the last netdevice attached to the
- * hardware device is set DOWN. This can be used, e.g., to disable
- * interrupts and beacon sending. */
- int (*stop)(struct net_device *dev);
-
- /* Handler for configuration requests. IEEE 802.11 code calls this
- * function to change hardware configuration, e.g., channel. */
- int (*config)(struct net_device *dev, struct ieee80211_conf *conf);
-
- /* Set TIM bit handler. If the hardware/firmware takes care of beacon
- * generation, IEEE 802.11 code uses this function to tell the
- * low-level to set (or clear if set==0) TIM bit for the given aid. If
- * host system is used to generate beacons, this handler is not used
- * and low-level driver should set it to NULL. */
- int (*set_tim)(struct net_device *dev, int aid, int set);
-
- /* Set encryption key. IEEE 802.11 module calls this function to set
- * encryption keys. addr is ff:ff:ff:ff:ff:ff for default keys and
- * station hwaddr for individual keys. aid of the station is given
- * to help low-level driver in selecting which key->hw_key_idx to use
- * for this key. TX control data will use the hw_key_idx selected by
- * the low-level driver. */
- int (*set_key)(struct net_device *dev, set_key_cmd cmd, u8 *addr,
- struct ieee80211_key_conf *key, int aid);
-
- /* Set TX key index for default/broadcast keys. This is needed in cases
- * where wlan card is doing full WEP/TKIP encapsulation (wep_include_iv
- * is not set), in other cases, this function pointer can be set to
- * NULL since 80211.o takes care of selecting the key index for each
- * TX frame. */
- int (*set_key_idx)(struct net_device *dev, int idx);
-
- /* Enable/disable IEEE 802.1X. This item requests wlan card to pass
- * unencrypted EAPOL-Key frames even when encryption is configured.
- * If the wlan card does not require such a configuration, this
- * function pointer can be set to NULL. 80211.o */
- int (*set_ieee8021x)(struct net_device *dev, int use_ieee8021x);
-
- /* Set port authorization state (IEEE 802.1X PAE) to be authorized
- * (authorized=1) or unauthorized (authorized=0). This function can be
- * used if the wlan hardware or low-level driver implements PAE.
- * 80211.o module will anyway filter frames based on authorization
- * state, so this function pointer can be NULL if low-level driver does
- * not require event notification about port state changes. */
- int (*set_port_auth)(struct net_device *dev, u8 *addr, int authorized);
-
- /* Ask the hardware to do a passive scan on a new channel. The hardware
- * will do what ever is required to nicely leave the current channel
- * including transmit any CTS packets, etc. */
- int (*passive_scan)(struct net_device *dev, int state,
- struct ieee80211_scan_conf *conf);
-
- /* return low-level statistics */
- int (*get_stats)(struct net_device *dev,
- struct ieee80211_low_level_stats *stats);
-
- /* Enable/disable test modes; mode = IEEE80211_TEST_* */
- int (*test_mode)(struct net_device *dev, int mode);
-
- /* Configuration of test parameters */
- int (*test_param)(struct net_device *dev, int param, int value);
-
- /* Change MAC address. addr is pointer to struct sockaddr. */
- int (*set_mac_address)(struct net_device *dev, void *addr);
-
- /* For devices that generate their own beacons and probe response
- * or association responses this updates the state of privacy_invoked
- * returns 0 for success or an error number */
-
- int (*set_privacy_invoked)(struct net_device *dev,
- int privacy_invoked);
-
- /* For devices that have internal sequence counters, allow 802.11
- * code to access the current value of a counter */
- int (*get_sequence_counter)(struct net_device *dev,
- u8* addr, u8 keyidx, u8 txrx,
- u32* iv32, u16* iv16);
-
- /* Configuration of RTS threshold (if device needs it) */
- int (*set_rts_threshold)(struct net_device *dev, u32 value);
-
- /* Configuration of fragmentation threshold (if device needs it) */
- int (*set_frag_threshold)(struct net_device *dev, u32 value);
-
- /* Configuration of retry limits (if device needs it) */
- int (*set_retry_limit)(struct net_device *dev, u32 short_retry,
- u32 long_retr);
-
- /* Number of STAs in STA table notification (NULL = disabled) */
- void (*sta_table_notification)(struct net_device *dev, int num_sta);
-
- /* Configure TX queue parameters (EDCF (aifs, cw_min, cw_max),
- * bursting) for a hardware TX queue.
- * queue = IEEE80211_TX_QUEUE_*. */
- int (*conf_tx)(struct net_device *dev, int queue,
- const struct ieee80211_tx_queue_params *params);
-
- /* Get statistics of the current TX queue status. This is used to get
- * number of currently queued packets (queue length), maximum queue
- * size (limit), and total number of packets sent using each TX queue
- * (count). This information is used for WMM to find out which TX
- * queues have room for more packets and by hostapd to provide
- * statistics about the current queueing state to external programs. */
- int (*get_tx_stats)(struct net_device *dev,
- struct ieee80211_tx_queue_stats *stats);
-
- /* Number of available hardware TX queues for data packets.
- * WMM requires at least four queues. */
- int queues;
-
- /* Get the current TSF timer value from firmware/hardware. Currently,
- * this is only used for IBSS mode debugging and, as such, is not a
- * required function. */
- u64 (*get_tsf)(struct net_device *dev);
-
- /* Reset the TSF timer and allow firmware/hardware to synchronize with
- * other STAs in the IBSS. This is only used in IBSS mode. This
- * function is optional if the firmware/hardware takes full care of
- * TSF synchronization. */
- void (*reset_tsf)(struct net_device *dev);
-
- /* Setup beacon data for IBSS beacons. Unlike access point (Master),
- * IBSS uses a fixed beacon frame which is configured using this
- * function. This handler is required only for IBSS mode. */
- int (*beacon_update)(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_tx_control *control);
-
- /* Determine whether the last IBSS beacon was sent by us. This is
- * needed only for IBSS mode and the result of this function is used to
- * determine whether to reply to Probe Requests. */
- int (*tx_last_beacon)(struct net_device *dev);
-
- /* Optional handler for XR-in-use notification. */
- int (*atheros_xr_in_use)(struct net_device *dev, int in_use);
-};
-
-/* Allocate a new hardware device. This must be called once for each
- * hardware device. The returned pointer must be used to refer to this
- * device when calling other functions. 802.11 code allocates a private data
- * area for the low-level driver. The size of this area is given as
- * priv_data_len. ieee80211_dev_hw_data() is used to get a pointer to the
- * private data area.
- *
- * Note: in this version of the interface the returned pointer is struct
- * net_device *. This may change in the future and low-level driver should
- * not refer the device data directly to remain compatible with the future
- * versions of the interface. */
-struct net_device *ieee80211_alloc_hw(size_t priv_data_len,
- void (*setup)(struct net_device *));
-
-/* Register hardware device to the IEEE 802.11 code and kernel. Low-level
- * drivers must call this function before using any other IEEE 802.11
- * function. */
-int ieee80211_register_hw(struct net_device *dev, struct ieee80211_hw *hw);
-
-/* This function is allowed to update hardware configuration (e.g., list of
- * supported operation modes and rates). */
-int ieee80211_update_hw(struct net_device *dev, struct ieee80211_hw *hw);
-
-/* Unregister a hardware device. This function instructs 802.11 code to free
- * allocated resources and unregister netdevices from the kernel. */
-void ieee80211_unregister_hw(struct net_device *dev);
-
-/* Free allocated net_device including private data of a driver. */
-void ieee80211_free_hw(struct net_device *dev);
-
-/* Receive frame callback function. The low-level driver uses this function to
- * send received frames to the IEEE 802.11 code. Receive buffer (skb) must
- * start with IEEE 802.11 header. */
-void ieee80211_rx(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_rx_status *status);
-void ieee80211_rx_irqsafe(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_rx_status *status);
-
-/* Transmit status callback function. The low-level driver must call this
- * function to report transmit status for all the TX frames that had
- * req_tx_status set in the transmit control fields. In addition, this should
- * be called at least for all unicast frames to provide information for TX rate
- * control algorithm. In order to maintain all statistics, this function is
- * recommended to be called after each frame, including multicast/broadcast, is
- * sent. */
-void ieee80211_tx_status(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_tx_status *status);
-void ieee80211_tx_status_irqsafe(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_tx_status *status);
-
-/* Beacon generation function. If the beacon frames are generated by the host
- * system (i.e., not in hardware/firmware), the low-level driver uses this
- * function to receive the next beacon frame from the 802.11 code. The
- * low-level is responsible for calling this function before beacon data is
- * needed (e.g., based on hardware interrupt). Returned skb is used only once
- * and low-level driver is responsible of freeing it. */
-struct sk_buff * ieee80211_beacon_get(struct net_device *dev, int bss_idx,
- struct ieee80211_tx_control *control);
-
-/* Function for accessing buffered broadcast and multicast frames. If
- * hardware/firmware does not implement buffering of broadcast/multicast
- * frames when power saving is used, 802.11 code buffers them in the host
- * memory. The low-level driver uses this function to fetch next buffered
- * frame. In most cases, this is used when generating beacon frame. This
- * function returns a pointer to the next buffered skb or NULL if no more
- * buffered frames are available.
- *
- * Note: buffered frames are returned only after DTIM beacon frame was
- * generated with ieee80211_beacon_get() and the low-level driver must thus
- * call ieee80211_beacon_get() first. ieee80211_get_buffered_bc() returns
- * NULL if the previous generated beacon was not DTIM, so the low-level driver
- * does not need to check for DTIM beacons separately and should be able to
- * use common code for all beacons. */
-struct sk_buff *
-ieee80211_get_buffered_bc(struct net_device *dev, int bss_idx,
- struct ieee80211_tx_control *control);
-
-/* Low level drivers that have their own MLME and MAC indicate
- * the aid for an associating station with this call */
-int ieee80211_set_aid_for_sta(struct net_device *dev, u8 *peer_address,
- u16 aid);
-
-
-/* Given an sk_buff with a raw 802.11 header at the data pointer this function
- * returns the 802.11 header length in bytes (not including encryption
- * headers). If the data in the sk_buff is too short to contain a valid 802.11
- * header the function returns 0.
- */
-int ieee80211_get_hdrlen_from_skb(struct sk_buff *skb);
-
-/* Like ieee80211_get_hdrlen_from_skb() but takes a FC in CPU order. */
-int ieee80211_get_hdrlen(u16 fc);
-
-/* Function for net interface operation. IEEE 802.11 may use multiple kernel
- * netdevices for each hardware device. The low-level driver does not "see"
- * these interfaces, so it should use this function to perform netif
- * operations on all interface. */
-typedef enum {
- NETIF_ATTACH, NETIF_DETACH, NETIF_START, NETIF_STOP, NETIF_WAKE,
- NETIF_IS_STOPPED, NETIF_UPDATE_TX_START
-} Netif_Oper;
-int ieee80211_netif_oper(struct net_device *dev, Netif_Oper op);
-
-
-/*
- * Function to get hardware configuration information
- * by the low level driver should it need it.
- */
-struct ieee80211_conf *
-ieee80211_get_hw_conf(struct net_device *dev);
-
-
-/* Return a pointer to the low-level private data area for the given device. */
-void * ieee80211_dev_hw_data(struct net_device *dev);
-/* Return a pointer to network statistics data area for the given device. */
-void * ieee80211_dev_stats(struct net_device *dev);
-
-/* Function to indicate Radar Detection. The low level driver must call this
- * function to indicate the presence of radar in the current channel.
- * Additionally the radar type also could be sent */
-int ieee80211_radar_status(struct net_device *dev, int channel, int radar,
- int radar_type);
-
-/* Test modes */
-enum {
- IEEE80211_TEST_DISABLE = 0 /* terminate testing */,
- IEEE80211_TEST_UNMASK_CHANNELS = 1 /* allow all channels to be used */,
- IEEE80211_TEST_CONTINUOUS_TX = 2,
-};
-
-/* Test parameters */
-enum {
- /* TX power in hardware specific raw value */
- IEEE80211_TEST_PARAM_TX_POWER_RAW = 0,
- /* TX rate in hardware specific raw value */
- IEEE80211_TEST_PARAM_TX_RATE_RAW = 1,
- /* Continuous TX pattern (32-bit) */
- IEEE80211_TEST_PARAM_TX_PATTERN = 2,
- /* TX power in 0.1 dBm, 100 = 10 dBm */
- IEEE80211_TEST_PARAM_TX_POWER = 3,
- /* TX rate in 100 kbps, 540 = 54 Mbps */
- IEEE80211_TEST_PARAM_TX_RATE = 4,
- IEEE80211_TEST_PARAM_TX_ANT_SEL_RAW = 5,
-};
-
-/* ieee80211_tx_led called with state == 1 when the first frame is queued
- * with state == 0 when the last frame is transmitted and tx queue is empty
- */
-void ieee80211_tx_led(int state, struct net_device *dev);
-/* ieee80211_rx_led is called each time frame is received, state is not used
- * (== 2)
- */
-void ieee80211_rx_led(int state, struct net_device *dev);
-
-
-/* IEEE 802.11 defines */
-
-#define FCS_LEN 4
-
-#define WLAN_FC_PVER 0x0003
-#define WLAN_FC_TODS 0x0100
-#define WLAN_FC_FROMDS 0x0200
-#define WLAN_FC_MOREFRAG 0x0400
-#define WLAN_FC_RETRY 0x0800
-#define WLAN_FC_PWRMGT 0x1000
-#define WLAN_FC_MOREDATA 0x2000
-#define WLAN_FC_ISWEP 0x4000
-#define WLAN_FC_ORDER 0x8000
-
-#define WLAN_FC_GET_TYPE(fc) (((fc) & 0x000c) >> 2)
-#define WLAN_FC_GET_STYPE(fc) (((fc) & 0x00f0) >> 4)
-
-#define WLAN_GET_SEQ_FRAG(seq) ((seq) & 0x000f)
-#define WLAN_GET_SEQ_SEQ(seq) ((seq) >> 4)
-
-#define WLAN_FC_DATA_PRESENT(fc) (((fc) & 0x4c) == 0x08)
-
-#define WLAN_FC_TYPE_MGMT 0
-#define WLAN_FC_TYPE_CTRL 1
-#define WLAN_FC_TYPE_DATA 2
-
-/* management */
-#define WLAN_FC_STYPE_ASSOC_REQ 0
-#define WLAN_FC_STYPE_ASSOC_RESP 1
-#define WLAN_FC_STYPE_REASSOC_REQ 2
-#define WLAN_FC_STYPE_REASSOC_RESP 3
-#define WLAN_FC_STYPE_PROBE_REQ 4
-#define WLAN_FC_STYPE_PROBE_RESP 5
-#define WLAN_FC_STYPE_BEACON 8
-#define WLAN_FC_STYPE_ATIM 9
-#define WLAN_FC_STYPE_DISASSOC 10
-#define WLAN_FC_STYPE_AUTH 11
-#define WLAN_FC_STYPE_DEAUTH 12
-#define WLAN_FC_STYPE_ACTION 13
-
-/* control */
-#define WLAN_FC_STYPE_PSPOLL 10
-#define WLAN_FC_STYPE_RTS 11
-#define WLAN_FC_STYPE_CTS 12
-#define WLAN_FC_STYPE_ACK 13
-#define WLAN_FC_STYPE_CFEND 14
-#define WLAN_FC_STYPE_CFENDACK 15
-
-/* data */
-#define WLAN_FC_STYPE_DATA 0
-#define WLAN_FC_STYPE_DATA_CFACK 1
-#define WLAN_FC_STYPE_DATA_CFPOLL 2
-#define WLAN_FC_STYPE_DATA_CFACKPOLL 3
-#define WLAN_FC_STYPE_NULLFUNC 4
-#define WLAN_FC_STYPE_CFACK 5
-#define WLAN_FC_STYPE_CFPOLL 6
-#define WLAN_FC_STYPE_CFACKPOLL 7
-#define WLAN_FC_STYPE_QOS_DATA 8
-#define WLAN_FC_STYPE_QOS_DATA_CFACK 9
-#define WLAN_FC_STYPE_QOS_DATA_CFPOLL 10
-#define WLAN_FC_STYPE_QOS_DATA_CFACKPOLL 11
-#define WLAN_FC_STYPE_QOS_NULLFUNC 12
-#define WLAN_FC_STYPE_QOS_CFACK 13
-#define WLAN_FC_STYPE_QOS_CFPOLL 14
-#define WLAN_FC_STYPE_QOS_CFACKPOLL 15
-
-
-#define IEEE80211_MAX_FRAG_THRESHOLD 2346
-#define IEEE80211_MAX_RTS_THRESHOLD 2347
-
-struct ieee80211_hdr {
- u16 frame_control;
- u16 duration_id;
- u8 addr1[6];
- u8 addr2[6];
- u8 addr3[6];
- u16 seq_ctrl;
- u8 addr4[6];
-} __attribute__ ((packed));
-
-/* return a pointer to the source address (SA) */
-static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
-{
- u8 *raw = (u8 *) hdr;
- u8 tofrom = (*(raw+1)) & 3; /* get the TODS and FROMDS bits */
-
- switch (tofrom) {
- case 2:
- return hdr->addr3;
- case 3:
- return hdr->addr4;
- }
- return hdr->addr2;
-}
-
-/* return a pointer to the destination address (DA) */
-static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
-{
- u8 *raw = (u8 *) hdr;
- u8 to_ds = (*(raw+1)) & 1; /* get the TODS bit */
-
- if (to_ds)
- return hdr->addr3;
- return hdr->addr1;
-}
-
-static inline int ieee80211_get_morefrag(struct ieee80211_hdr *hdr)
-{
- return (le16_to_cpu(hdr->frame_control) & WLAN_FC_MOREFRAG) != 0;
-}
-
-#endif /* IEEE80211_H */
+++ /dev/null
-/*
- * IEEE 802.11 driver (80211.o) -- hostapd interface
- * Copyright 2002-2004, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef IEEE80211_COMMON_H
-#define IEEE80211_COMMON_H
-
-/*
- * This is common header information with user space. It is used on all
- * frames sent to wlan#ap interface.
- */
-
-#define IEEE80211_FI_VERSION 0x80211001
-
-struct ieee80211_frame_info {
- u32 version;
- u32 length;
- u64 mactime;
- u64 hosttime;
- u32 phytype;
- u32 channel;
- u32 datarate;
- u32 antenna;
- u32 priority;
- u32 ssi_type;
- u32 ssi_signal;
- u32 ssi_noise;
- u32 preamble;
- u32 encoding;
-
- /* Note: this structure is otherwise identical to capture format used
- * in linux-wlan-ng, but this additional field is used to provide meta
- * data about the frame to hostapd. This was the easiest method for
- * providing this information, but this might change in the future. */
- u32 msg_type;
-} __attribute__ ((packed));
-
-
-enum ieee80211_msg_type {
- ieee80211_msg_normal = 0,
- ieee80211_msg_tx_callback_ack = 1,
- ieee80211_msg_tx_callback_fail = 2,
- ieee80211_msg_passive_scan = 3,
- ieee80211_msg_wep_frame_unknown_key = 4,
- ieee80211_msg_michael_mic_failure = 5,
- ieee80211_msg_monitor = 6,
- ieee80211_msg_sta_not_assoc = 7,
- ieee80211_msg_set_aid_for_sta = 8 /* used by Intersil MVC driver */,
- ieee80211_msg_key_threshold_notification = 9,
- ieee80211_msg_radar = 11,
-};
-
-struct ieee80211_msg_set_aid_for_sta {
- char sta_address[ETH_ALEN];
- u16 aid;
-};
-
-struct ieee80211_msg_key_notification {
- int tx_rx_count;
- char ifname[IFNAMSIZ];
- u8 addr[ETH_ALEN]; /* ff:ff:ff:ff:ff:ff for broadcast keys */
-};
-
-
-enum ieee80211_phytype {
- ieee80211_phytype_fhss_dot11_97 = 1,
- ieee80211_phytype_dsss_dot11_97 = 2,
- ieee80211_phytype_irbaseband = 3,
- ieee80211_phytype_dsss_dot11_b = 4,
- ieee80211_phytype_pbcc_dot11_b = 5,
- ieee80211_phytype_ofdm_dot11_g = 6,
- ieee80211_phytype_pbcc_dot11_g = 7,
- ieee80211_phytype_ofdm_dot11_a = 8,
- ieee80211_phytype_dsss_dot11_turbog = 255,
- ieee80211_phytype_dsss_dot11_turbo = 256,
-};
-
-enum ieee80211_ssi_type {
- ieee80211_ssi_none = 0,
- ieee80211_ssi_norm = 1, /* normalized, 0-1000 */
- ieee80211_ssi_dbm = 2,
- ieee80211_ssi_raw = 3, /* raw SSI */
-};
-
-struct ieee80211_radar_info {
- int channel;
- int radar;
- int radar_type;
-};
-
-#endif /* IEEE80211_COMMON_H */
+++ /dev/null
-/*
- * IEEE 802.11 -- shared defines for 80211.o and hostapd
- * Copyright 2002, Jouni Malinen <jkmaline@cc.hut.fi>
- * Copyright 2002-2004, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef IEEE802_11_MGMT_H
-#define IEEE802_11_MGMT_H
-
-
-struct ieee80211_mgmt {
- u16 frame_control;
- u16 duration;
- u8 da[6];
- u8 sa[6];
- u8 bssid[6];
- u16 seq_ctrl;
- union {
- struct {
- u16 auth_alg;
- u16 auth_transaction;
- u16 status_code;
- /* possibly followed by Challenge text */
- u8 variable[0];
- } __attribute__ ((packed)) auth;
- struct {
- u16 reason_code;
- } __attribute__ ((packed)) deauth;
- struct {
- u16 capab_info;
- u16 listen_interval;
- /* followed by SSID and Supported rates */
- u8 variable[0];
- } __attribute__ ((packed)) assoc_req;
- struct {
- u16 capab_info;
- u16 status_code;
- u16 aid;
- /* followed by Supported rates */
- u8 variable[0];
- } __attribute__ ((packed)) assoc_resp, reassoc_resp;
- struct {
- u16 capab_info;
- u16 listen_interval;
- u8 current_ap[6];
- /* followed by SSID and Supported rates */
- u8 variable[0];
- } __attribute__ ((packed)) reassoc_req;
- struct {
- u16 reason_code;
- } __attribute__ ((packed)) disassoc;
- struct {
- u8 timestamp[8];
- u16 beacon_int;
- u16 capab_info;
- /* followed by some of SSID, Supported rates,
- * FH Params, DS Params, CF Params, IBSS Params, TIM */
- u8 variable[0];
- } __attribute__ ((packed)) beacon;
- struct {
- /* only variable items: SSID, Supported rates */
- u8 variable[0];
- } __attribute__ ((packed)) probe_req;
- struct {
- u8 timestamp[8];
- u16 beacon_int;
- u16 capab_info;
- /* followed by some of SSID, Supported rates,
- * FH Params, DS Params, CF Params, IBSS Params */
- u8 variable[0];
- } __attribute__ ((packed)) probe_resp;
- struct {
- u8 category;
- union {
- struct {
- u8 action_code;
- u8 dialog_token;
- u8 status_code;
- u8 variable[0];
- } __attribute__ ((packed)) wme_action;
- struct{
- u8 action_code;
- u8 element_id;
- u8 length;
- u8 switch_mode;
- u8 new_chan;
- u8 switch_count;
- } __attribute__((packed)) chan_switch;
- } u;
- } __attribute__ ((packed)) action;
- } u;
-} __attribute__ ((packed));
-
-
-/* Authentication algorithms */
-#define WLAN_AUTH_OPEN 0
-#define WLAN_AUTH_SHARED_KEY 1
-#define WLAN_AUTH_LEAP 128
-
-#define WLAN_AUTH_CHALLENGE_LEN 128
-
-#define WLAN_CAPABILITY_ESS BIT(0)
-#define WLAN_CAPABILITY_IBSS BIT(1)
-#define WLAN_CAPABILITY_CF_POLLABLE BIT(2)
-#define WLAN_CAPABILITY_CF_POLL_REQUEST BIT(3)
-#define WLAN_CAPABILITY_PRIVACY BIT(4)
-#define WLAN_CAPABILITY_SHORT_PREAMBLE BIT(5)
-#define WLAN_CAPABILITY_PBCC BIT(6)
-#define WLAN_CAPABILITY_CHANNEL_AGILITY BIT(7)
-/* 802.11h */
-#define WLAN_CAPABILITY_SPECTRUM_MGMT BIT(8)
-#define WLAN_CAPABILITY_SHORT_SLOT_TIME BIT(10)
-#define WLAN_CAPABILITY_DSSS_OFDM BIT(13)
-
-/* Status codes */
-#define WLAN_STATUS_SUCCESS 0
-#define WLAN_STATUS_UNSPECIFIED_FAILURE 1
-#define WLAN_STATUS_CAPS_UNSUPPORTED 10
-#define WLAN_STATUS_REASSOC_NO_ASSOC 11
-#define WLAN_STATUS_ASSOC_DENIED_UNSPEC 12
-#define WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG 13
-#define WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION 14
-#define WLAN_STATUS_CHALLENGE_FAIL 15
-#define WLAN_STATUS_AUTH_TIMEOUT 16
-#define WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA 17
-#define WLAN_STATUS_ASSOC_DENIED_RATES 18
-/* 802.11b */
-#define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19
-#define WLAN_STATUS_ASSOC_DENIED_NOPBCC 20
-#define WLAN_STATUS_ASSOC_DENIED_NOAGILITY 21
-/* 802.11h */
-#define WLAN_STATUS_SPEC_MGMT_REQUIRED 22
-#define WLAN_STATUS_PWR_CAPABILITY_NOT_VALID 23
-#define WLAN_STATUS_SUPPORTED_CHANNEL_NOT_VALID 24
-/* 802.11g */
-#define WLAN_STATUS_ASSOC_DENOED_NO_SHORT_SLOT_TIME 25
-#define WLAN_STATUS_ASSOC_DENOED_NO_ER_PBCC 26
-#define WLAN_STATUS_ASSOC_DENOED_NO_DSSS_OFDM 27
-
-
-/* Reason codes */
-#define WLAN_REASON_UNSPECIFIED 1
-#define WLAN_REASON_PREV_AUTH_NOT_VALID 2
-#define WLAN_REASON_DEAUTH_LEAVING 3
-#define WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY 4
-#define WLAN_REASON_DISASSOC_AP_BUSY 5
-#define WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6
-#define WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA 7
-#define WLAN_REASON_DISASSOC_STA_HAS_LEFT 8
-#define WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH 9
-/* 802.11h */
-#define WLAN_REASON_PWR_CAPABILITY_NOT_VALID 10
-#define WLAN_REASON_SUPPORTED_CHANNEL_NOT_VALID 11
-
-#define WLAN_REASON_MIC_FAILURE 14
-
-
-/* Information Element IDs */
-#define WLAN_EID_SSID 0
-#define WLAN_EID_SUPP_RATES 1
-#define WLAN_EID_FH_PARAMS 2
-#define WLAN_EID_DS_PARAMS 3
-#define WLAN_EID_CF_PARAMS 4
-#define WLAN_EID_TIM 5
-#define WLAN_EID_IBSS_PARAMS 6
-#define WLAN_EID_COUNTRY 7
-#define WLAN_EID_CHALLENGE 16
-/* EIDs defined as part fo 11h - starts */
-#define WLAN_EID_PWR_CONSTRAINT 32
-#define WLAN_EID_PWR_CAPABILITY 33
-#define WLAN_EID_TPC_REQUEST 34
-#define WLAN_EID_TPC_REPORT 35
-#define WLAN_EID_SUPPORTED_CHANNELS 36
-#define WLAN_EID_CHANNEL_SWITCH 37
-#define WLAN_EID_MEASURE_REQUEST 38
-#define WLAN_EID_MEASURE_REPORT 39
-#define WLAN_EID_QUITE 40
-#define WLAN_EID_IBSS_DFS 41
-/* EIDs defined as part fo 11h - ends */
-#define WLAN_EID_ERP_INFO 42
-#define WLAN_EID_RSN 48
-#define WLAN_EID_EXT_SUPP_RATES 50
-#define WLAN_EID_WPA 221
-#define WLAN_EID_GENERIC 221
-#define WLAN_EID_VENDOR_SPECIFIC 221
-
-
-
-#define ATHEROS_INFO_USEXR BIT(3)
-
-#endif /* IEEE802_11_MGMT_H */
+++ /dev/null
-/*
- * IEEE 802.11 -- shared defines for low-level drivers, 80211.o, and hostapd
- * Copyright 2002-2004, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef IEEE80211_SHARED_H
-#define IEEE80211_SHARED_H
-
-/* 802.11g is backwards-compatible with 802.11b, so a wlan card can
- * actually be both in 11b and 11g modes at the same time. */
-enum {
- MODE_IEEE80211A = 0 /* IEEE 802.11a */,
- MODE_IEEE80211B = 1 /* IEEE 802.11b only */,
- MODE_ATHEROS_TURBO = 2 /* Atheros Turbo mode (2x.11a at 5 GHz) */,
- MODE_IEEE80211G = 3 /* IEEE 802.11g (and 802.11b compatibility) */,
- MODE_ATHEROS_TURBOG = 4 /* Atheros Turbo mode (2x.11g at 2.4 GHz) */,
- MODE_ATHEROS_PRIME = 5 /* Atheros Dynamic Turbo mode */,
- MODE_ATHEROS_PRIMEG = 6 /* Atheros Dynamic Turbo mode G */,
- MODE_ATHEROS_XR = 7 /* Atheros XR mode */,
- NUM_IEEE80211_MODES = 8
-};
-
-#define IEEE80211_CHAN_W_SCAN 0x00000001
-#define IEEE80211_CHAN_W_ACTIVE_SCAN 0x00000002
-#define IEEE80211_CHAN_W_IBSS 0x00000004
-
-/* Low-level driver should set PREAMBLE2, OFDM, CCK, and TURBO flags.
- * BASIC, SUPPORTED, ERP, and MANDATORY flags are set in 80211.o based on the
- * configuration. */
-#define IEEE80211_RATE_ERP 0x00000001
-#define IEEE80211_RATE_BASIC 0x00000002
-#define IEEE80211_RATE_PREAMBLE2 0x00000004
-#define IEEE80211_RATE_SUPPORTED 0x00000010
-#define IEEE80211_RATE_OFDM 0x00000020
-#define IEEE80211_RATE_CCK 0x00000040
-#define IEEE80211_RATE_TURBO 0x00000080
-#define IEEE80211_RATE_MANDATORY 0x00000100
-#define IEEE80211_RATE_XR 0x00000200
-
-#define IEEE80211_RATE_CCK_2 (IEEE80211_RATE_CCK | IEEE80211_RATE_PREAMBLE2)
-#define IEEE80211_RATE_MODULATION(f) \
-(f & (IEEE80211_RATE_CCK | IEEE80211_RATE_OFDM))
-
-
-#endif /* IEEE80211_SHARED_H */
+++ /dev/null
-/*
- * Michael MIC implementation - optimized for TKIP MIC operations
- * Copyright 2002-2003, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/types.h>
-
-#include "michael.h"
-
-static inline u32 rotr(u32 val, int bits)
-{
- return (val >> bits) | (val << (32 - bits));
-}
-
-
-static inline u32 rotl(u32 val, int bits)
-{
- return (val << bits) | (val >> (32 - bits));
-}
-
-
-static inline u32 xswap(u32 val)
-{
- return ((val & 0xff00ff00) >> 8) | ((val & 0x00ff00ff) << 8);
-}
-
-
-#define michael_block(l, r) \
-do { \
- r ^= rotl(l, 17); \
- l += r; \
- r ^= xswap(l); \
- l += r; \
- r ^= rotl(l, 3); \
- l += r; \
- r ^= rotr(l, 2); \
- l += r; \
-} while (0)
-
-
-static inline u32 michael_get32(u8 *data)
-{
- return data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
-}
-
-
-static inline void michael_put32(u32 val, u8 *data)
-{
- data[0] = val & 0xff;
- data[1] = (val >> 8) & 0xff;
- data[2] = (val >> 16) & 0xff;
- data[3] = (val >> 24) & 0xff;
-}
-
-
-void michael_mic(u8 *key, u8 *da, u8 *sa, u8 priority,
- u8 *data, size_t data_len, u8 *mic)
-{
- u32 l, r, val;
- size_t block, blocks, left;
-
- l = michael_get32(key);
- r = michael_get32(key + 4);
-
- /* A pseudo header (DA, SA, Priority, 0, 0, 0) is used in Michael MIC
- * calculation, but it is _not_ transmitted */
- l ^= michael_get32(da);
- michael_block(l, r);
- l ^= da[4] | (da[5] << 8) | (sa[0] << 16) | (sa[1] << 24);
- michael_block(l, r);
- l ^= michael_get32(&sa[2]);
- michael_block(l, r);
- l ^= priority;
- michael_block(l, r);
-
- /* Real data */
- blocks = data_len / 4;
- left = data_len % 4;
-
- for (block = 0; block < blocks; block++) {
- l ^= michael_get32(&data[block * 4]);
- michael_block(l, r);
- }
-
- /* Partial block of 0..3 bytes and padding: 0x5a + 4..7 zeros to make
- * total length a multiple of 4. */
- val = 0x5a;
- while (left > 0) {
- val <<= 8;
- left--;
- val |= data[blocks * 4 + left];
- }
- l ^= val;
- michael_block(l, r);
- /* last block is zero, so l ^ 0 = l */
- michael_block(l, r);
-
- michael_put32(l, mic);
- michael_put32(r, mic + 4);
-}
+++ /dev/null
-/*
- * Michael MIC implementation - optimized for TKIP MIC operations
- * Copyright 2002-2003, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef MICHAEL_H
-#define MICHAEL_H
-
-#define MICHAEL_MIC_LEN 8
-
-void michael_mic(u8 *key, u8 *da, u8 *sa, u8 priority,
- u8 *data, size_t data_len, u8 *mic);
-
-#endif /* MICHAEL_H */
+++ /dev/null
-/*
- * Copyright 2002-2005, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/skbuff.h>
-#include <linux/compiler.h>
-
-#include <net/ieee80211.h>
-#include "ieee80211_i.h"
-#include "rate_control.h"
-
-
-/* This is a minimal implementation of TX rate controlling that can be used
- * as the default when no improved mechanisms are available. */
-
-
-#define RATE_CONTROL_EMERG_DEC 2
-#define RATE_CONTROL_INTERVAL (HZ / 20)
-#define RATE_CONTROL_MIN_TX 10
-
-
-static void rate_control_rate_inc(struct ieee80211_local *local,
- struct sta_info *sta)
-{
- struct ieee80211_sub_if_data *sdata;
- int i = sta->txrate;
- int maxrate;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
- if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) {
- /* forced unicast rate - do not change STA rate */
- return;
- }
-
- maxrate = sdata->bss ? sdata->bss->max_ratectrl_rateidx : -1;
-
- if (i > local->num_curr_rates)
- i = local->num_curr_rates - 2;
-
- while (i + 1 < local->num_curr_rates) {
- i++;
- if (sta->supp_rates & BIT(i) &&
- local->curr_rates[i].flags & IEEE80211_RATE_SUPPORTED &&
- (maxrate < 0 || i <= maxrate)) {
- sta->txrate = i;
- break;
- }
- }
-}
-
-
-static void rate_control_rate_dec(struct ieee80211_local *local,
- struct sta_info *sta)
-{
- struct ieee80211_sub_if_data *sdata;
- int i = sta->txrate;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
- if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) {
- /* forced unicast rate - do not change STA rate */
- return;
- }
-
- if (i > local->num_curr_rates)
- i = local->num_curr_rates;
-
- while (i > 0) {
- i--;
- if (sta->supp_rates & BIT(i) &&
- local->curr_rates[i].flags & IEEE80211_RATE_SUPPORTED) {
- sta->txrate = i;
- break;
- }
- }
-}
-
-
-static struct ieee80211_rate *
-rate_control_lowest_rate(struct ieee80211_local *local)
-{
- int i;
-
- for (i = 0; i < local->num_curr_rates; i++) {
- struct ieee80211_rate *rate = &local->curr_rates[i];
-
- if (rate->flags & IEEE80211_RATE_SUPPORTED
- )
- return rate;
- }
-
- printk(KERN_DEBUG "rate_control_lowest_rate - no supported rates "
- "found\n");
- return &local->curr_rates[0];
-}
-
-
-struct global_rate_control {
- int dummy;
-};
-
-struct sta_rate_control {
- unsigned long last_rate_change;
- u32 tx_num_failures;
- u32 tx_num_xmit;
-
- unsigned long avg_rate_update;
- u32 tx_avg_rate_sum;
- u32 tx_avg_rate_num;
-};
-
-
-static void rate_control_simple_tx_status(struct net_device *dev,
- struct sk_buff *skb,
- struct ieee80211_tx_status *status)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- struct sta_info *sta;
- struct sta_rate_control *srctrl;
-
- sta = sta_info_get(local, hdr->addr1);
-
- if (!sta)
- return;
-
- srctrl = sta->rate_ctrl_priv;
- srctrl->tx_num_xmit++;
- if (status->excessive_retries) {
- sta->antenna_sel = sta->antenna_sel == 1 ? 2 : 1;
- if (local->sta_antenna_sel == STA_ANTENNA_SEL_SW_CTRL_DEBUG) {
- printk(KERN_DEBUG "%s: " MACSTR " TX antenna --> %d "
- "(@%lu)\n",
- dev->name, MAC2STR(hdr->addr1),
- sta->antenna_sel, jiffies);
- }
- srctrl->tx_num_failures++;
- sta->tx_retry_failed++;
- sta->tx_num_consecutive_failures++;
- sta->tx_num_mpdu_fail++;
- } else {
- sta->last_ack_rssi[0] = sta->last_ack_rssi[1];
- sta->last_ack_rssi[1] = sta->last_ack_rssi[2];
- sta->last_ack_rssi[2] = status->ack_signal;
- sta->tx_num_consecutive_failures = 0;
- sta->tx_num_mpdu_ok++;
- }
- sta->tx_retry_count += status->retry_count;
- sta->tx_num_mpdu_fail += status->retry_count;
-
- if (time_after(jiffies,
- srctrl->last_rate_change + RATE_CONTROL_INTERVAL) &&
- srctrl->tx_num_xmit > RATE_CONTROL_MIN_TX) {
- u32 per_failed;
- srctrl->last_rate_change = jiffies;
-
- per_failed = (100 * sta->tx_num_mpdu_fail) /
- (sta->tx_num_mpdu_fail + sta->tx_num_mpdu_ok);
- /* TODO: calculate average per_failed to make adjusting
- * parameters easier */
-#if 0
- if (net_ratelimit()) {
- printk(KERN_DEBUG "MPDU fail=%d ok=%d per_failed=%d\n",
- sta->tx_num_mpdu_fail, sta->tx_num_mpdu_ok,
- per_failed);
- }
-#endif
-
- if (per_failed > local->rate_ctrl_num_down) {
- rate_control_rate_dec(local, sta);
- } else if (per_failed < local->rate_ctrl_num_up) {
- rate_control_rate_inc(local, sta);
- }
- srctrl->tx_avg_rate_sum += local->curr_rates[sta->txrate].rate;
- srctrl->tx_avg_rate_num++;
- srctrl->tx_num_failures = 0;
- srctrl->tx_num_xmit = 0;
- } else if (sta->tx_num_consecutive_failures >=
- RATE_CONTROL_EMERG_DEC) {
- rate_control_rate_dec(local, sta);
- }
-
- if (srctrl->avg_rate_update + 60 * HZ < jiffies) {
- srctrl->avg_rate_update = jiffies;
- if (srctrl->tx_avg_rate_num > 0) {
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: STA " MACSTR " Average rate: "
- "%d (%d/%d)\n",
- dev->name, MAC2STR(sta->addr),
- srctrl->tx_avg_rate_sum /
- srctrl->tx_avg_rate_num,
- srctrl->tx_avg_rate_sum,
- srctrl->tx_avg_rate_num);
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
- srctrl->tx_avg_rate_sum = 0;
- srctrl->tx_avg_rate_num = 0;
- }
- }
-
- sta_info_release(local, sta);
-}
-
-
-static struct ieee80211_rate *
-rate_control_simple_get_rate(struct net_device *dev, struct sk_buff *skb,
- struct rate_control_extra *extra)
-{
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_sub_if_data *sdata;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- struct sta_info *sta;
- int rateidx, nonerp_idx;
- u16 fc;
-
- memset(extra, 0, sizeof(*extra));
-
- fc = le16_to_cpu(hdr->frame_control);
- if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_DATA ||
- (hdr->addr1[0] & 0x01)) {
- /* Send management frames and broadcast/multicast data using
- * lowest rate. */
- /* TODO: this could probably be improved.. */
- return rate_control_lowest_rate(local);
- }
-
- sta = sta_info_get(local, hdr->addr1);
-
- if (!sta)
- return rate_control_lowest_rate(local);
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->bss && sdata->bss->force_unicast_rateidx > -1)
- sta->txrate = sdata->bss->force_unicast_rateidx;
-
- rateidx = sta->txrate;
-
- if (rateidx >= local->num_curr_rates)
- rateidx = local->num_curr_rates - 1;
-
- sta->last_txrate = rateidx;
- nonerp_idx = rateidx;
- while (nonerp_idx > 0 &&
- ((local->curr_rates[nonerp_idx].flags & IEEE80211_RATE_ERP) ||
- !(local->curr_rates[nonerp_idx].flags &
- IEEE80211_RATE_SUPPORTED) ||
- !(sta->supp_rates & BIT(nonerp_idx))))
- nonerp_idx--;
- extra->nonerp_idx = nonerp_idx;
- extra->nonerp = &local->curr_rates[extra->nonerp_idx];
-
- sta_info_release(local, sta);
-
- return &local->curr_rates[rateidx];
-}
-
-
-static void rate_control_simple_rate_init(struct ieee80211_local *local,
- struct sta_info *sta)
-{
- int i;
- sta->txrate = 0;
- /* TODO: what is a good starting rate for STA? About middle? Maybe not
- * the lowest or the highest rate.. Could consider using RSSI from
- * previous packets? Need to have IEEE 802.1X auth succeed immediately
- * after assoc.. */
- for (i = 0; i < local->num_curr_rates; i++) {
- if ((sta->supp_rates & BIT(i)) &&
- (local->curr_rates[i].flags & IEEE80211_RATE_SUPPORTED))
- sta->txrate = i;
- }
-}
-
-
-static void * rate_control_simple_alloc(struct ieee80211_local *local)
-{
- struct global_rate_control *rctrl;
-
- rctrl = kmalloc(sizeof(*rctrl), GFP_ATOMIC);
- if (rctrl == NULL) {
- return NULL;
- }
- memset(rctrl, 0, sizeof(*rctrl));
- return rctrl;
-}
-
-
-static void rate_control_simple_free(void *priv)
-{
- struct global_rate_control *rctrl = priv;
- kfree(rctrl);
-}
-
-
-static void rate_control_simple_clear(void *priv)
-{
-}
-
-
-static void * rate_control_simple_alloc_sta(void)
-{
- struct sta_rate_control *rctrl;
-
- rctrl = kmalloc(sizeof(*rctrl), GFP_ATOMIC);
- if (rctrl == NULL) {
- return NULL;
- }
- memset(rctrl, 0, sizeof(*rctrl));
- return rctrl;
-}
-
-
-static void rate_control_simple_free_sta(void *priv)
-{
- struct sta_rate_control *rctrl = priv;
- kfree(rctrl);
-}
-
-
-static int rate_control_simple_status_sta(struct ieee80211_local *local,
- struct sta_info *sta, char *buf)
-{
- char *p = buf;
- struct sta_rate_control *srctrl = sta->rate_ctrl_priv;
-
- p += sprintf(p, "tx_avg_rate_sum=%d\n", srctrl->tx_avg_rate_sum);
- p += sprintf(p, "tx_avg_rate_num=%d\n", srctrl->tx_avg_rate_num);
- if (srctrl->tx_avg_rate_num)
- p += sprintf(p, "tx_avg_rate_avg=%d\n",
- srctrl->tx_avg_rate_sum /
- srctrl->tx_avg_rate_num);
- return p - buf;
-}
-
-
-static int rate_control_simple_status_global(struct ieee80211_local *local,
- char *buf)
-{
- return 0;
-}
-
-
-static struct rate_control_ops rate_control_simple = {
- .name = "simple",
- .tx_status = rate_control_simple_tx_status,
- .get_rate = rate_control_simple_get_rate,
- .rate_init = rate_control_simple_rate_init,
- .clear = rate_control_simple_clear,
- .status_sta = rate_control_simple_status_sta,
- .status_global = rate_control_simple_status_global,
- .alloc = rate_control_simple_alloc,
- .free = rate_control_simple_free,
- .alloc_sta = rate_control_simple_alloc_sta,
- .free_sta = rate_control_simple_free_sta,
-};
-
-
-int __init rate_control_simple_init(void)
-{
- return ieee80211_rate_control_register(&rate_control_simple);
-}
-
-
-static void __exit rate_control_simple_exit(void)
-{
- ieee80211_rate_control_unregister(&rate_control_simple);
-}
-
-
-module_init(rate_control_simple_init);
-module_exit(rate_control_simple_exit);
+++ /dev/null
-/*
- * Copyright 2002-2005, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef RATE_CONTROL
-#define RATE_CONTROL
-
-#define RATE_CONTROL_NUM_DOWN 20
-#define RATE_CONTROL_NUM_UP 15
-
-
-struct rate_control_extra {
- /* values from rate_control_get_rate() to the caller: */
- struct ieee80211_rate *probe; /* probe with this rate, or NULL for no
- * probing */
- int startidx, endidx, rateidx;
- struct ieee80211_rate *nonerp;
- int nonerp_idx;
-
- /* parameters from the caller to rate_control_get_rate(): */
- int mgmt_data; /* this is data frame that is used for management
- * (e.g., IEEE 802.1X EAPOL) */
- u16 ethertype;
-};
-
-
-struct rate_control_ops {
- const char *name;
- void (*tx_status)(struct net_device *dev, struct sk_buff *skb,
- struct ieee80211_tx_status *status);
- struct ieee80211_rate *
- (*get_rate)(struct net_device *dev, struct sk_buff *skb,
- struct rate_control_extra *extra);
- void (*rate_init)(struct ieee80211_local *local, struct sta_info *sta);
- void (*clear)(void *priv);
- int (*status_sta)(struct ieee80211_local *local,
- struct sta_info *sta, char *buf);
- int (*status_global)(struct ieee80211_local *local, char *buf);
-
- void * (*alloc)(struct ieee80211_local *local);
- void (*free)(void *priv);
- void * (*alloc_sta)(void);
- void (*free_sta)(void *priv);
-};
-
-
-int ieee80211_rate_control_register(struct rate_control_ops *ops);
-void ieee80211_rate_control_unregister(struct rate_control_ops *ops);
-
-
-static inline void rate_control_tx_status(struct net_device *dev,
- struct sk_buff *skb,
- struct ieee80211_tx_status *status)
-{
- struct ieee80211_local *local = dev->priv;
- local->rate_ctrl->tx_status(dev, skb, status);
-}
-
-
-static inline struct ieee80211_rate *
-rate_control_get_rate(struct net_device *dev, struct sk_buff *skb,
- struct rate_control_extra *extra)
-{
- struct ieee80211_local *local = dev->priv;
- return local->rate_ctrl->get_rate(dev, skb, extra);
-}
-
-
-static inline void rate_control_rate_init(struct ieee80211_local *local,
- struct sta_info *sta)
-{
- local->rate_ctrl->rate_init(local, sta);
-}
-
-
-static inline void rate_control_clear(struct ieee80211_local *local)
-{
- local->rate_ctrl->clear(local->rate_ctrl_priv);
-}
-
-
-static inline int rate_control_status_sta(struct ieee80211_local *local,
- struct sta_info *sta, char *buf)
-{
- return local->rate_ctrl->status_sta(local, sta, buf);
-}
-
-
-static inline int rate_control_status_global(struct ieee80211_local *local,
- char *buf)
-{
- return local->rate_ctrl->status_global(local, buf);
-}
-
-
-static inline void * rate_control_alloc(struct ieee80211_local *local)
-{
- return local->rate_ctrl->alloc(local);
-}
-
-
-static inline void rate_control_free(struct ieee80211_local *local)
-{
- if (local->rate_ctrl == NULL || local->rate_ctrl_priv == NULL)
- return;
- local->rate_ctrl->free(local->rate_ctrl_priv);
- local->rate_ctrl_priv = NULL;
-}
-
-
-static inline void * rate_control_alloc_sta(struct ieee80211_local *local)
-{
- return local->rate_ctrl->alloc_sta();
-}
-
-
-static inline void rate_control_free_sta(struct ieee80211_local *local,
- void *priv)
-{
- local->rate_ctrl->free_sta(priv);
-}
-
-#endif /* RATE_CONTROL */
+++ /dev/null
-/*
- * Copyright 2002-2005, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/skbuff.h>
-#include <linux/if_arp.h>
-
-#include <net/ieee80211.h>
-#include "ieee80211_i.h"
-#include "ieee80211_proc.h"
-#include "rate_control.h"
-
-
-/* Caller must hold local->sta_lock */
-static void sta_info_hash_add(struct ieee80211_local *local,
- struct sta_info *sta)
-{
- sta->hnext = local->sta_hash[STA_HASH(sta->addr)];
- local->sta_hash[STA_HASH(sta->addr)] = sta;
-}
-
-
-/* Caller must hold local->sta_lock */
-static void sta_info_hash_del(struct ieee80211_local *local,
- struct sta_info *sta)
-{
- struct sta_info *s;
-
- s = local->sta_hash[STA_HASH(sta->addr)];
- if (s == NULL)
- return;
- if (memcmp(s->addr, sta->addr, ETH_ALEN) == 0) {
- local->sta_hash[STA_HASH(sta->addr)] = s->hnext;
- return;
- }
-
- while (s->hnext != NULL &&
- memcmp(s->hnext->addr, sta->addr, ETH_ALEN) != 0)
- s = s->hnext;
- if (s->hnext != NULL)
- s->hnext = s->hnext->hnext;
- else
- printk(KERN_ERR "%s: could not remove STA " MACSTR " from "
- "hash table\n", local->mdev->name, MAC2STR(sta->addr));
-}
-
-
-struct sta_info * sta_info_get(struct ieee80211_local *local, u8 *addr)
-{
- struct sta_info *sta;
-
- spin_lock_bh(&local->sta_lock);
- sta = local->sta_hash[STA_HASH(addr)];
- while (sta) {
- if (memcmp(sta->addr, addr, ETH_ALEN) == 0) {
- atomic_inc(&sta->users);
- break;
- }
- sta = sta->hnext;
- }
- spin_unlock_bh(&local->sta_lock);
-
- return sta;
-}
-
-
-int sta_info_min_txrate_get(struct ieee80211_local *local)
-{
- struct sta_info *sta;
- int min_txrate = 9999999;
- int i;
-
- spin_lock_bh(&local->sta_lock);
- for (i = 0; i < STA_HASH_SIZE; i++) {
- sta = local->sta_hash[i];
- while (sta) {
- if (sta->txrate < min_txrate)
- min_txrate = sta->txrate;
- sta = sta->hnext;
- }
- }
- spin_unlock_bh(&local->sta_lock);
- if (min_txrate == 9999999)
- min_txrate = 0;
-
- return min_txrate;
-}
-
-
-void sta_info_release(struct ieee80211_local *local, struct sta_info *sta)
-{
- struct sk_buff *skb;
-
- if (!atomic_dec_and_test(&sta->users))
- return;
-
- /* free sta structure; it has already been removed from
- * hash table etc. external structures. Make sure that all
- * buffered frames are release (one might have been added
- * after sta_info_free() was called). */
- while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) {
- local->total_ps_buffered--;
- dev_kfree_skb_any(skb);
- }
- while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) {
- dev_kfree_skb_any(skb);
- }
- rate_control_free_sta(local, sta->rate_ctrl_priv);
- kfree(sta);
-}
-
-
-struct sta_info * sta_info_add(struct ieee80211_local *local,
- struct net_device *dev, u8 *addr)
-{
- struct sta_info *sta;
-
- sta = kmalloc(sizeof(*sta), GFP_ATOMIC);
- if (!sta)
- return NULL;
-
- memset(sta, 0, sizeof(*sta));
-
- sta->rate_ctrl_priv = rate_control_alloc_sta(local);
- if (sta->rate_ctrl_priv == NULL) {
- kfree(sta);
- return NULL;
- }
-
- memcpy(sta->addr, addr, ETH_ALEN);
- sta->dev = dev;
- skb_queue_head_init(&sta->ps_tx_buf);
- skb_queue_head_init(&sta->tx_filtered);
- atomic_inc(&sta->users); /* sta in hashlist etc, decremented by
- * sta_info_free() */
- atomic_inc(&sta->users); /* sta used by caller, decremented by
- * sta_info_release() */
- spin_lock_bh(&local->sta_lock);
- list_add(&sta->list, &local->sta_list);
- local->num_sta++;
- sta_info_hash_add(local, sta);
- spin_unlock_bh(&local->sta_lock);
- if (local->hw->sta_table_notification)
- local->hw->sta_table_notification(local->mdev, local->num_sta);
- sta->key_idx_compression = HW_KEY_IDX_INVALID;
-
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Added STA " MACSTR "\n",
- dev->name, MAC2STR(addr));
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
-
- if (!in_interrupt()) {
- ieee80211_proc_init_sta(local, sta);
- } else {
- /* procfs entry adding might sleep, so schedule process context
- * task for adding proc entry for STAs that do not yet have
- * one. */
- schedule_work(&local->sta_proc_add);
- }
-
- return sta;
-}
-
-
-void sta_info_free(struct ieee80211_local *local, struct sta_info *sta,
- int locked)
-{
- struct sk_buff *skb;
- struct ieee80211_sub_if_data *sdata;
-
- if (!locked)
- spin_lock_bh(&local->sta_lock);
- sta_info_hash_del(local, sta);
- list_del(&sta->list);
- sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
- if (sta->flags & WLAN_STA_PS) {
- sta->flags &= ~WLAN_STA_PS;
- if (sdata->bss)
- atomic_dec(&sdata->bss->num_sta_ps);
- }
- local->num_sta--;
- sta_info_remove_aid_ptr(sta);
- if (!locked)
- spin_unlock_bh(&local->sta_lock);
- if (local->hw->sta_table_notification)
- local->hw->sta_table_notification(local->mdev, local->num_sta);
-
- while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) {
- local->total_ps_buffered--;
- dev_kfree_skb_any(skb);
- }
- while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) {
- dev_kfree_skb_any(skb);
- }
-
- if (sta->key) {
- if (local->hw->set_key) {
- struct ieee80211_key_conf *key;
- key = ieee80211_key_data2conf(local, sta->key);
- if (key) {
- local->hw->set_key(local->mdev, DISABLE_KEY,
- sta->addr, key, sta->aid);
- kfree(key);
- }
- }
- kfree(sta->key);
- sta->key = NULL;
- } else if (sta->key_idx_compression != HW_KEY_IDX_INVALID) {
- struct ieee80211_key_conf conf;
- memset(&conf, 0, sizeof(conf));
- conf.hw_key_idx = sta->key_idx_compression;
- conf.alg = ALG_NULL;
- conf.force_sw_encrypt = 1;
- local->hw->set_key(local->mdev, DISABLE_KEY, sta->addr, &conf,
- sta->aid);
- sta->key_idx_compression = HW_KEY_IDX_INVALID;
- }
-
-#ifdef CONFIG_IEEE80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Removed STA " MACSTR "\n",
- local->mdev->name, MAC2STR(sta->addr));
-#endif /* CONFIG_IEEE80211_VERBOSE_DEBUG */
-
- ieee80211_proc_deinit_sta(local, sta);
-
- if (atomic_read(&sta->users) != 1) {
- /* This is OK, but printed for debugging. The station structure
- * will be removed when the other user of the data calls
- * sta_info_release(). */
- printk(KERN_DEBUG "%s: STA " MACSTR " users count %d when "
- "removing it\n", local->mdev->name, MAC2STR(sta->addr),
- atomic_read(&sta->users));
- }
-
- sta_info_release(local, sta);
-}
-
-
-static inline int sta_info_buffer_expired(struct sk_buff *skb)
-{
- struct ieee80211_tx_packet_data *pkt_data;
- if (!skb)
- return 0;
-
- /* TODO: this could be improved by passing STA listen interval into
- * the kernel driver and expiring frames after 2 x listen_interval x
- * beacon interval */
-
- pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
-
- if (pkt_data->magic != IEEE80211_CB_MAGIC)
- return 1;
-
- return time_after(jiffies, pkt_data->jiffies + STA_TX_BUFFER_EXPIRE);
-}
-
-
-static void sta_info_cleanup_expire_buffered(struct ieee80211_local *local,
- struct sta_info *sta)
-{
- unsigned long flags;
- struct sk_buff *skb;
-
- if (skb_queue_empty(&sta->ps_tx_buf))
- return;
-
- for (;;) {
- spin_lock_irqsave(&sta->ps_tx_buf.lock, flags);
- skb = skb_peek(&sta->ps_tx_buf);
- if (sta_info_buffer_expired(skb))
- skb = __skb_dequeue(&sta->ps_tx_buf);
- else
- skb = NULL;
- spin_unlock_irqrestore(&sta->ps_tx_buf.lock, flags);
-
- if (skb) {
- local->total_ps_buffered--;
- printk(KERN_DEBUG "Buffered frame expired (STA "
- MACSTR ")\n", MAC2STR(sta->addr));
- dev_kfree_skb(skb);
- } else
- break;
- }
-}
-
-
-static void sta_info_cleanup(unsigned long data)
-{
- struct ieee80211_local *local = (struct ieee80211_local *) data;
- struct list_head *ptr;
-
- spin_lock_bh(&local->sta_lock);
- ptr = local->sta_list.next;
- while (ptr && ptr != &local->sta_list) {
- struct sta_info *sta = (struct sta_info *) ptr;
- atomic_inc(&sta->users);
- sta_info_cleanup_expire_buffered(local, sta);
- sta_info_release(local, sta);
- ptr = ptr->next;
- }
- spin_unlock_bh(&local->sta_lock);
-
- local->sta_cleanup.expires = jiffies + STA_INFO_CLEANUP_INTERVAL;
- add_timer(&local->sta_cleanup);
-}
-
-
-static void sta_info_proc_add_task(void *data)
-{
- struct ieee80211_local *local = data;
- struct list_head *ptr;
- struct sta_info *sta;
- int max_adds = 100;
-
- while (max_adds > 0) {
- sta = NULL;
- spin_lock_bh(&local->sta_lock);
- list_for_each(ptr, &local->sta_list) {
- sta = list_entry(ptr, struct sta_info, list);
- if (!sta->proc_entry_added) {
- atomic_inc(&sta->users);
- break;
- }
- sta = NULL;
- }
- spin_unlock_bh(&local->sta_lock);
-
- if (!sta)
- break;
-
- ieee80211_proc_init_sta(local, sta);
- atomic_dec(&sta->users);
-
- max_adds--;
- }
-}
-
-
-void sta_info_init(struct ieee80211_local *local)
-{
- spin_lock_init(&local->sta_lock);
- INIT_LIST_HEAD(&local->sta_list);
-
- init_timer(&local->sta_cleanup);
- local->sta_cleanup.expires = jiffies + STA_INFO_CLEANUP_INTERVAL;
- local->sta_cleanup.data = (unsigned long) local;
- local->sta_cleanup.function = sta_info_cleanup;
-
- INIT_WORK(&local->sta_proc_add, sta_info_proc_add_task, local);
-}
-
-void sta_info_start(struct ieee80211_local *local)
-{
- add_timer(&local->sta_cleanup);
-}
-
-void sta_info_stop(struct ieee80211_local *local)
-{
- struct list_head *ptr;
-
- del_timer(&local->sta_cleanup);
-
- ptr = local->sta_list.next;
- while (ptr && ptr != &local->sta_list) {
- struct sta_info *sta = (struct sta_info *) ptr;
- ptr = ptr->next;
- sta_info_free(local, sta, 0);
- }
-}
-
-
-void sta_info_remove_aid_ptr(struct sta_info *sta)
-{
- struct ieee80211_sub_if_data *sdata;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
- if (sta->aid <= 0 || !sdata->bss)
- return;
-
- sdata->bss->sta_aid[sta->aid - 1] = NULL;
- if (sta->aid == sdata->bss->max_aid) {
- while (sdata->bss->max_aid > 0 &&
- sdata->bss->sta_aid[sdata->bss->max_aid - 1] == NULL)
- sdata->bss->max_aid--;
- }
-}
-
-
-/**
- * sta_info_flush - flush matching STA entries from the STA table
- * @local: local interface data
- * @dev: matching rule for the net device (sta->dev) or %NULL to match all STAs
- */
-void sta_info_flush(struct ieee80211_local *local, struct net_device *dev)
-{
- struct list_head *ptr, *n;
-
- spin_lock_bh(&local->sta_lock);
-
- list_for_each_safe(ptr, n, &local->sta_list) {
- struct sta_info *sta = list_entry(ptr, struct sta_info, list);
- if (dev == NULL || dev == sta->dev)
- sta_info_free(local, sta, 1);
- }
- spin_unlock_bh(&local->sta_lock);
-}
+++ /dev/null
-/*
- * Copyright 2002-2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef STA_INFO_H
-#define STA_INFO_H
-
-/* Stations flags (struct sta_info::flags) */
-#define WLAN_STA_AUTH BIT(0)
-#define WLAN_STA_ASSOC BIT(1)
-#define WLAN_STA_PS BIT(2)
-#define WLAN_STA_TIM BIT(3) /* TIM bit is on for PS stations */
-#define WLAN_STA_PERM BIT(4) /* permanent; do not remove entry on expiration */
-#define WLAN_STA_AUTHORIZED BIT(5) /* If 802.1X is used, this flag is
- * controlling whether STA is authorized to
- * send and receive non-IEEE 802.1X frames
- */
-#define WLAN_STA_SHORT_PREAMBLE BIT(7)
-#define WLAN_STA_WME BIT(9)
-#define WLAN_STA_XR BIT(26)
-#define WLAN_STA_WDS BIT(27)
-
-
-struct sta_info {
- struct list_head list;
- struct sta_info *hnext; /* next entry in hash table list */
- atomic_t users; /* number of users (do not remove if > 0) */
-
- u8 addr[ETH_ALEN];
- u16 aid; /* STA's unique AID (1..2007), 0 = not yet assigned */
- u32 flags; /* WLAN_STA_ */
-
- struct sk_buff_head ps_tx_buf; /* buffer of TX frames for station in
- * power saving state */
- int pspoll; /* whether STA has send a PS Poll frame */
- struct sk_buff_head tx_filtered; /* buffer of TX frames that were
- * already given to low-level driver,
- * but were filtered */
- int clear_dst_mask;
-
- unsigned long rx_packets, tx_packets; /* number of RX/TX MSDUs */
- unsigned long rx_bytes, tx_bytes;
- unsigned long tx_retry_failed, tx_retry_count;
- unsigned long tx_filtered_count;
-
- unsigned int wep_weak_iv_count; /* number of RX frames with weak IV */
-
- unsigned long last_rx;
- u32 supp_rates; /* bitmap of supported rates in local->curr_rates */
- int txrate; /* index in local->curr_rates */
- int last_txrate; /* last rate used to send a frame to this STA */
- int last_nonerp_idx;
-
- struct net_device *dev; /* which net device is this station associated
- * to */
-
- struct ieee80211_key *key;
-
- u32 tx_num_consecutive_failures;
- u32 tx_num_mpdu_ok;
- u32 tx_num_mpdu_fail;
-
- void *rate_ctrl_priv;
-
- /* last received seq/frag number from this STA (per RX queue) */
- u16 last_seq_ctrl[NUM_RX_DATA_QUEUES];
- unsigned long num_duplicates; /* number of duplicate frames received
- * from this STA */
- unsigned long tx_fragments; /* number of transmitted MPDUs */
- unsigned long rx_fragments; /* number of received MPDUs */
- unsigned long rx_dropped; /* number of dropped MPDUs from this STA */
-
- int last_rssi; /* RSSI of last received frame from this STA */
- int last_ack_rssi[3]; /* RSSI of last received ACKs from this STA */
- unsigned long last_ack;
- int channel_use;
- int channel_use_raw;
-
- int antenna_sel;
-
-
- int key_idx_compression; /* key table index for compression and TX
- * filtering; used only if sta->key is not
- * set */
-
- int proc_entry_added:1;
- int assoc_ap:1; /* whether this is an AP that we are associated with
- * as a client */
-
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- u32 wpa_trigger;
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
-#ifdef CONFIG_IEEE80211_DEBUG_COUNTERS
- unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES];
- unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES];
-#endif /* CONFIG_IEEE80211_DEBUG_COUNTERS */
-
- int vlan_id;
-};
-
-
-/* Maximum number of concurrently registered stations */
-#define MAX_STA_COUNT 2007
-
-/* Maximum number of AIDs to use for STAs; must be 2007 or lower
- * (IEEE 802.11 beacon format limitation) */
-#define MAX_AID_TABLE_SIZE 2007
-
-#define STA_HASH_SIZE 256
-#define STA_HASH(sta) (sta[5])
-
-
-/* Maximum number of frames to buffer per power saving station */
-#define STA_MAX_TX_BUFFER 128
-
-/* Buffered frame expiry time */
-#define STA_TX_BUFFER_EXPIRE (10 * HZ)
-
-/* How often station data is cleaned up (e.g., expiration of buffered frames)
- */
-#define STA_INFO_CLEANUP_INTERVAL (10 * HZ)
-
-
-struct sta_info * sta_info_get(struct ieee80211_local *local, u8 *addr);
-int sta_info_min_txrate_get(struct ieee80211_local *local);
-void sta_info_release(struct ieee80211_local *local, struct sta_info *sta);
-struct sta_info * sta_info_add(struct ieee80211_local *local,
- struct net_device *dev, u8 *addr);
-void sta_info_free(struct ieee80211_local *local, struct sta_info *sta,
- int locked);
-void sta_info_init(struct ieee80211_local *local);
-void sta_info_start(struct ieee80211_local *local);
-void sta_info_stop(struct ieee80211_local *local);
-void sta_info_remove_aid_ptr(struct sta_info *sta);
-void sta_info_flush(struct ieee80211_local *local, struct net_device *dev);
-
-#endif /* STA_INFO_H */
+++ /dev/null
-/*
- * Copyright 2002-2004, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifdef CONFIG_TKIP_DEBUG
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/skbuff.h>
-#endif /* CONFIG_TKIP_DEBUG */
-
-#include <linux/types.h>
-#include <linux/netdevice.h>
-
-#include <net/ieee80211.h>
-#include "ieee80211_key.h"
-#ifdef CONFIG_TKIP_DEBUG
-#include "ieee80211_i.h"
-#endif /* CONFIG_TKIP_DEBUG */
-#include "tkip.h"
-
-/* Dummy prototypes for structures used in wep.h, but not really needed for
- * TKIP. */
-struct ieee80211_local;
-struct sk_buff;
-#include "wep.h"
-
-
-/* TKIP key mixing functions */
-
-
-#define PHASE1_LOOP_COUNT 8
-
-
-/* 2-byte by 2-byte subset of the full AES S-box table; second part of this
- * table is identical to first part but byte-swapped */
-static const u16 tkip_sbox[256] =
-{
- 0xC6A5, 0xF884, 0xEE99, 0xF68D, 0xFF0D, 0xD6BD, 0xDEB1, 0x9154,
- 0x6050, 0x0203, 0xCEA9, 0x567D, 0xE719, 0xB562, 0x4DE6, 0xEC9A,
- 0x8F45, 0x1F9D, 0x8940, 0xFA87, 0xEF15, 0xB2EB, 0x8EC9, 0xFB0B,
- 0x41EC, 0xB367, 0x5FFD, 0x45EA, 0x23BF, 0x53F7, 0xE496, 0x9B5B,
- 0x75C2, 0xE11C, 0x3DAE, 0x4C6A, 0x6C5A, 0x7E41, 0xF502, 0x834F,
- 0x685C, 0x51F4, 0xD134, 0xF908, 0xE293, 0xAB73, 0x6253, 0x2A3F,
- 0x080C, 0x9552, 0x4665, 0x9D5E, 0x3028, 0x37A1, 0x0A0F, 0x2FB5,
- 0x0E09, 0x2436, 0x1B9B, 0xDF3D, 0xCD26, 0x4E69, 0x7FCD, 0xEA9F,
- 0x121B, 0x1D9E, 0x5874, 0x342E, 0x362D, 0xDCB2, 0xB4EE, 0x5BFB,
- 0xA4F6, 0x764D, 0xB761, 0x7DCE, 0x527B, 0xDD3E, 0x5E71, 0x1397,
- 0xA6F5, 0xB968, 0x0000, 0xC12C, 0x4060, 0xE31F, 0x79C8, 0xB6ED,
- 0xD4BE, 0x8D46, 0x67D9, 0x724B, 0x94DE, 0x98D4, 0xB0E8, 0x854A,
- 0xBB6B, 0xC52A, 0x4FE5, 0xED16, 0x86C5, 0x9AD7, 0x6655, 0x1194,
- 0x8ACF, 0xE910, 0x0406, 0xFE81, 0xA0F0, 0x7844, 0x25BA, 0x4BE3,
- 0xA2F3, 0x5DFE, 0x80C0, 0x058A, 0x3FAD, 0x21BC, 0x7048, 0xF104,
- 0x63DF, 0x77C1, 0xAF75, 0x4263, 0x2030, 0xE51A, 0xFD0E, 0xBF6D,
- 0x814C, 0x1814, 0x2635, 0xC32F, 0xBEE1, 0x35A2, 0x88CC, 0x2E39,
- 0x9357, 0x55F2, 0xFC82, 0x7A47, 0xC8AC, 0xBAE7, 0x322B, 0xE695,
- 0xC0A0, 0x1998, 0x9ED1, 0xA37F, 0x4466, 0x547E, 0x3BAB, 0x0B83,
- 0x8CCA, 0xC729, 0x6BD3, 0x283C, 0xA779, 0xBCE2, 0x161D, 0xAD76,
- 0xDB3B, 0x6456, 0x744E, 0x141E, 0x92DB, 0x0C0A, 0x486C, 0xB8E4,
- 0x9F5D, 0xBD6E, 0x43EF, 0xC4A6, 0x39A8, 0x31A4, 0xD337, 0xF28B,
- 0xD532, 0x8B43, 0x6E59, 0xDAB7, 0x018C, 0xB164, 0x9CD2, 0x49E0,
- 0xD8B4, 0xACFA, 0xF307, 0xCF25, 0xCAAF, 0xF48E, 0x47E9, 0x1018,
- 0x6FD5, 0xF088, 0x4A6F, 0x5C72, 0x3824, 0x57F1, 0x73C7, 0x9751,
- 0xCB23, 0xA17C, 0xE89C, 0x3E21, 0x96DD, 0x61DC, 0x0D86, 0x0F85,
- 0xE090, 0x7C42, 0x71C4, 0xCCAA, 0x90D8, 0x0605, 0xF701, 0x1C12,
- 0xC2A3, 0x6A5F, 0xAEF9, 0x69D0, 0x1791, 0x9958, 0x3A27, 0x27B9,
- 0xD938, 0xEB13, 0x2BB3, 0x2233, 0xD2BB, 0xA970, 0x0789, 0x33A7,
- 0x2DB6, 0x3C22, 0x1592, 0xC920, 0x8749, 0xAAFF, 0x5078, 0xA57A,
- 0x038F, 0x59F8, 0x0980, 0x1A17, 0x65DA, 0xD731, 0x84C6, 0xD0B8,
- 0x82C3, 0x29B0, 0x5A77, 0x1E11, 0x7BCB, 0xA8FC, 0x6DD6, 0x2C3A,
-};
-
-
-static inline u16 Mk16(u8 x, u8 y)
-{
- return ((u16) x << 8) | (u16) y;
-}
-
-
-static inline u8 Hi8(u16 v)
-{
- return v >> 8;
-}
-
-
-static inline u8 Lo8(u16 v)
-{
- return v & 0xff;
-}
-
-
-static inline u16 Hi16(u32 v)
-{
- return v >> 16;
-}
-
-
-static inline u16 Lo16(u32 v)
-{
- return v & 0xffff;
-}
-
-
-static inline u16 RotR1(u16 v)
-{
- return (v >> 1) | ((v & 0x0001) << 15);
-}
-
-
-static inline u16 tkip_S(u16 val)
-{
- u16 a = tkip_sbox[Hi8(val)];
-
- return tkip_sbox[Lo8(val)] ^ Hi8(a) ^ (Lo8(a) << 8);
-}
-
-
-
-/* P1K := Phase1(TA, TK, TSC)
- * TA = transmitter address (48 bits)
- * TK = dot11DefaultKeyValue or dot11KeyMappingValue (128 bits)
- * TSC = TKIP sequence counter (48 bits, only 32 msb bits used)
- * P1K: 80 bits
- */
-static void tkip_mixing_phase1(const u8 *ta, const u8 *tk, u32 tsc_IV32,
- u16 *p1k)
-{
- int i, j;
-
- p1k[0] = Lo16(tsc_IV32);
- p1k[1] = Hi16(tsc_IV32);
- p1k[2] = Mk16(ta[1], ta[0]);
- p1k[3] = Mk16(ta[3], ta[2]);
- p1k[4] = Mk16(ta[5], ta[4]);
-
- for (i = 0; i < PHASE1_LOOP_COUNT; i++) {
- j = 2 * (i & 1);
- p1k[0] += tkip_S(p1k[4] ^ Mk16(tk[ 1 + j], tk[ 0 + j]));
- p1k[1] += tkip_S(p1k[0] ^ Mk16(tk[ 5 + j], tk[ 4 + j]));
- p1k[2] += tkip_S(p1k[1] ^ Mk16(tk[ 9 + j], tk[ 8 + j]));
- p1k[3] += tkip_S(p1k[2] ^ Mk16(tk[13 + j], tk[12 + j]));
- p1k[4] += tkip_S(p1k[3] ^ Mk16(tk[ 1 + j], tk[ 0 + j])) + i;
- }
-}
-
-
-static void tkip_mixing_phase2(const u16 *p1k, const u8 *tk, u16 tsc_IV16,
- u8 *rc4key)
-{
- u16 ppk[6];
- int i;
-
- ppk[0] = p1k[0];
- ppk[1] = p1k[1];
- ppk[2] = p1k[2];
- ppk[3] = p1k[3];
- ppk[4] = p1k[4];
- ppk[5] = p1k[4] + tsc_IV16;
-
- ppk[0] += tkip_S(ppk[5] ^ Mk16(tk[ 1], tk[ 0]));
- ppk[1] += tkip_S(ppk[0] ^ Mk16(tk[ 3], tk[ 2]));
- ppk[2] += tkip_S(ppk[1] ^ Mk16(tk[ 5], tk[ 4]));
- ppk[3] += tkip_S(ppk[2] ^ Mk16(tk[ 7], tk[ 6]));
- ppk[4] += tkip_S(ppk[3] ^ Mk16(tk[ 9], tk[ 8]));
- ppk[5] += tkip_S(ppk[4] ^ Mk16(tk[11], tk[10]));
- ppk[0] += RotR1(ppk[5] ^ Mk16(tk[13], tk[12]));
- ppk[1] += RotR1(ppk[0] ^ Mk16(tk[15], tk[14]));
- ppk[2] += RotR1(ppk[1]);
- ppk[3] += RotR1(ppk[2]);
- ppk[4] += RotR1(ppk[3]);
- ppk[5] += RotR1(ppk[4]);
-
- rc4key[0] = Hi8(tsc_IV16);
- rc4key[1] = (Hi8(tsc_IV16) | 0x20) & 0x7f;
- rc4key[2] = Lo8(tsc_IV16);
- rc4key[3] = Lo8((ppk[5] ^ Mk16(tk[1], tk[0])) >> 1);
-
- for (i = 0; i < 6; i++) {
- rc4key[4 + 2 * i] = Lo8(ppk[i]);
- rc4key[5 + 2 * i] = Hi8(ppk[i]);
- }
-}
-
-
-/* Add TKIP IV and Ext. IV at @pos. @iv0, @iv1, and @iv2 are the first octets
- * of the IV. Returns pointer to the octet following IVs (i.e., beginning of
- * the packet payload). */
-u8 * ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key,
- u8 iv0, u8 iv1, u8 iv2)
-{
- *pos++ = iv0;
- *pos++ = iv1;
- *pos++ = iv2;
- *pos++ = (key->keyidx << 6) | (1 << 5) /* Ext IV */;
- *pos++ = key->u.tkip.iv32 & 0xff;
- *pos++ = (key->u.tkip.iv32 >> 8) & 0xff;
- *pos++ = (key->u.tkip.iv32 >> 16) & 0xff;
- *pos++ = (key->u.tkip.iv32 >> 24) & 0xff;
- return pos;
-}
-
-
-/* Encrypt packet payload with TKIP using @key. @pos is a pointer to the
- * beginning of the buffer containing payload. This payload must include
- * headroom of eight octets for IV and Ext. IV and taildroom of four octets
- * for ICV. @payload_len is the length of payload (_not_ including extra
- * headroom and tailroom). @ta is the transmitter addresses. */
-void ieee80211_tkip_encrypt_data(struct ieee80211_key *key, u8 *pos,
- size_t payload_len, u8 *ta)
-{
- u8 rc4key[16];
-
- /* Calculate per-packet key */
- if (key->u.tkip.iv16 == 0 || !key->u.tkip.tx_initialized) {
- /* IV16 wrapped around - perform TKIP phase 1 */
- tkip_mixing_phase1(ta, &key->key[ALG_TKIP_TEMP_ENCR_KEY],
- key->u.tkip.iv32, key->u.tkip.p1k);
- key->u.tkip.tx_initialized = 1;
- }
-
- tkip_mixing_phase2(key->u.tkip.p1k, &key->key[ALG_TKIP_TEMP_ENCR_KEY],
- key->u.tkip.iv16, rc4key);
-
- pos = ieee80211_tkip_add_iv(pos, key, rc4key[0], rc4key[1], rc4key[2]);
- ieee80211_wep_encrypt_data(rc4key, 16, pos, payload_len);
-}
-
-
-/* Decrypt packet payload with TKIP using @key. @pos is a pointer to the
- * beginning of the buffer containing IEEE 802.11 header payload, i.e.,
- * including IV, Ext. IV, real data, Michael MIC, ICV. @payload_len is the
- * length of payload, including IV, Ext. IV, MIC, ICV. */
-int ieee80211_tkip_decrypt_data(struct ieee80211_key *key, u8 *payload,
- size_t payload_len, u8 *ta, int only_iv,
- int queue)
-{
- u32 iv32;
- u32 iv16;
- u8 rc4key[16], keyid, *pos = payload;
- int res;
-
- if (payload_len < 12)
- return -1;
-
- iv16 = (pos[0] << 8) | pos[2];
- keyid = pos[3];
- iv32 = pos[4] | (pos[5] << 8) | (pos[6] << 16) | (pos[7] << 24);
- pos += 8;
-#ifdef CONFIG_TKIP_DEBUG
- {
- int i;
- printk(KERN_DEBUG "TKIP decrypt: data(len=%zd)", payload_len);
- for (i = 0; i < payload_len; i++)
- printk(" %02x", payload[i]);
- printk("\n");
- printk(KERN_DEBUG "TKIP decrypt: iv16=%04x iv32=%08x\n",
- iv16, iv32);
- }
-#endif /* CONFIG_TKIP_DEBUG */
-
- if (!(keyid & (1 << 5)))
- return TKIP_DECRYPT_NO_EXT_IV;
-
- if ((keyid >> 6) != key->keyidx)
- return TKIP_DECRYPT_INVALID_KEYIDX;
-
- if (key->u.tkip.rx_initialized[queue] &&
- (iv32 < key->u.tkip.iv32_rx[queue] ||
- (iv32 == key->u.tkip.iv32_rx[queue] &&
- iv16 <= key->u.tkip.iv16_rx[queue]))) {
-#ifdef CONFIG_TKIP_DEBUG
- printk(KERN_DEBUG "TKIP replay detected for RX frame from "
- MACSTR " (RX IV (%04x,%02x) <= prev. IV (%04x,%02x)\n",
- MAC2STR(ta),
- iv32, iv16, key->u.tkip.iv32_rx[queue],
- key->u.tkip.iv16_rx[queue]);
-#endif /* CONFIG_TKIP_DEBUG */
- return TKIP_DECRYPT_REPLAY;
- }
-
- if (only_iv) {
- res = TKIP_DECRYPT_OK;
- goto done;
- }
-
- if (!key->u.tkip.rx_initialized[queue] ||
- key->u.tkip.iv32_rx[queue] != iv32) {
- key->u.tkip.rx_initialized[queue] = 1;
- /* IV16 wrapped around - perform TKIP phase 1 */
- tkip_mixing_phase1(ta, &key->key[ALG_TKIP_TEMP_ENCR_KEY],
- iv32, key->u.tkip.p1k_rx[queue]);
-#ifdef CONFIG_TKIP_DEBUG
- {
- int i;
- printk(KERN_DEBUG "TKIP decrypt: Phase1 TA=" MACSTR
- " TK=", MAC2STR(ta));
- for (i = 0; i < 16; i++)
- printk("%02x ",
- key->key[ALG_TKIP_TEMP_ENCR_KEY + i]);
- printk("\n");
- printk(KERN_DEBUG "TKIP decrypt: P1K=");
- for (i = 0; i < 5; i++)
- printk("%04x ", key->u.tkip.p1k_rx[queue][i]);
- printk("\n");
- }
-#endif /* CONFIG_TKIP_DEBUG */
- }
-
- tkip_mixing_phase2(key->u.tkip.p1k_rx[queue],
- &key->key[ALG_TKIP_TEMP_ENCR_KEY],
- iv16, rc4key);
-#ifdef CONFIG_TKIP_DEBUG
- {
- int i;
- printk(KERN_DEBUG "TKIP decrypt: Phase2 rc4key=");
- for (i = 0; i < 16; i++)
- printk("%02x ", rc4key[i]);
- printk("\n");
- }
-#endif /* CONFIG_TKIP_DEBUG */
-
- res = ieee80211_wep_decrypt_data(rc4key, 16, pos, payload_len - 12);
- done:
- if (res == TKIP_DECRYPT_OK) {
- /* FIX: these should be updated only after Michael MIC has been
- * verified */
- /* Record previously received IV */
- key->u.tkip.iv32_rx[queue] = iv32;
- key->u.tkip.iv16_rx[queue] = iv16;
- }
-
- return res;
-}
-
-
+++ /dev/null
-/*
- * Copyright 2002-2004, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef TKIP_H
-#define TKIP_H
-
-u8 * ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key,
- u8 iv0, u8 iv1, u8 iv2);
-void ieee80211_tkip_encrypt_data(struct ieee80211_key *key, u8 *pos,
- size_t payload_len, u8 *ta);
-enum {
- TKIP_DECRYPT_OK = 0,
- TKIP_DECRYPT_NO_EXT_IV = -1,
- TKIP_DECRYPT_INVALID_KEYIDX = -2,
- TKIP_DECRYPT_REPLAY = -3,
-};
-int ieee80211_tkip_decrypt_data(struct ieee80211_key *key, u8 *payload,
- size_t payload_len, u8 *ta, int only_iv,
- int queue);
-
-#endif /* TKIP_H */
+++ /dev/null
-/*
- * Software WEP encryption implementation
- * Copyright 2002, Jouni Malinen <jkmaline@cc.hut.fi>
- * Copyright 2003, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/netdevice.h>
-#include <linux/types.h>
-#include <linux/random.h>
-#include <linux/compiler.h>
-
-#include <net/ieee80211.h>
-#include "ieee80211_i.h"
-#include "wep.h"
-
-
-static const __u32 crc32_table[256] = {
- 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
- 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
- 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
- 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
- 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L,
- 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L,
- 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L,
- 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
- 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L,
- 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL,
- 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L,
- 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
- 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L,
- 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL,
- 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL,
- 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
- 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL,
- 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L,
- 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L,
- 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
- 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL,
- 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L,
- 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L,
- 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
- 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L,
- 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L,
- 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L,
- 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
- 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L,
- 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL,
- 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL,
- 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
- 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L,
- 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL,
- 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL,
- 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
- 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL,
- 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L,
- 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL,
- 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
- 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL,
- 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L,
- 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L,
- 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
- 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L,
- 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L,
- 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L,
- 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
- 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L,
- 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L,
- 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,
- 0x2d02ef8dL
-};
-
-
-void ieee80211_wep_init(struct ieee80211_local *local)
-{
- /* start WEP IV from a random value */
- get_random_bytes(&local->wep_iv, WEP_IV_LEN);
-}
-
-
-static inline int ieee80211_wep_weak_iv(u32 iv, int keylen)
-{
- /* Fluhrer, Mantin, and Shamir have reported weaknesses in the
- * key scheduling algorithm of RC4. At least IVs (KeyByte + 3,
- * 0xff, N) can be used to speedup attacks, so avoid using them. */
- if ((iv & 0xff00) == 0xff00) {
- u8 B = (iv >> 16) & 0xff;
- if (B >= 3 && B < 3 + keylen)
- return 1;
- }
- return 0;
-}
-
-
-void ieee80211_wep_get_iv(struct ieee80211_local *local,
- struct ieee80211_key *key, u8 *iv)
-{
- local->wep_iv++;
- if (ieee80211_wep_weak_iv(local->wep_iv, key->keylen))
- local->wep_iv += 0x0100;
-
- if (iv == NULL)
- return;
-
- *iv++ = (local->wep_iv >> 16) & 0xff;
- *iv++ = (local->wep_iv >> 8) & 0xff;
- *iv++ = local->wep_iv & 0xff;
- *iv++ = key->keyidx << 6;
-}
-
-
-u8 * ieee80211_wep_add_iv(struct ieee80211_local *local,
- struct sk_buff *skb,
- struct ieee80211_key *key)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- u16 fc;
- int hdrlen;
- u8 *newhdr;
-
- fc = le16_to_cpu(hdr->frame_control);
- fc |= WLAN_FC_ISWEP;
- hdr->frame_control = cpu_to_le16(fc);
-
- if ((skb_headroom(skb) < WEP_IV_LEN ||
- skb_tailroom(skb) < WEP_ICV_LEN)) {
- I802_DEBUG_INC(local->tx_expand_skb_head);
- if (unlikely(pskb_expand_head(skb, WEP_IV_LEN, WEP_ICV_LEN,
- GFP_ATOMIC)))
- return NULL;
- }
-
- hdrlen = ieee80211_get_hdrlen(fc);
- newhdr = skb_push(skb, WEP_IV_LEN);
- memmove(newhdr, newhdr + WEP_IV_LEN, hdrlen);
- ieee80211_wep_get_iv(local, key, newhdr + hdrlen);
- return newhdr + hdrlen;
-}
-
-
-void ieee80211_wep_remove_iv(struct ieee80211_local *local,
- struct sk_buff *skb,
- struct ieee80211_key *key)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- u16 fc;
- int hdrlen;
-
- fc = le16_to_cpu(hdr->frame_control);
- hdrlen = ieee80211_get_hdrlen(fc);
- memmove(skb->data + WEP_IV_LEN, skb->data, hdrlen);
- skb_pull(skb, WEP_IV_LEN);
-}
-
-
-/* Perform WEP encryption using given key. data buffer must have tailroom
- * for 4-byte ICV. data_len must not include this ICV. Note: this function
- * does _not_ add IV. data = RC4(data | CRC32(data)) */
-void ieee80211_wep_encrypt_data(u8 *rc4key, size_t klen, u8 *data,
- size_t data_len)
-{
- u32 i, j, k, crc;
- u8 S[256];
- u8 kpos, *pos;
-#define S_SWAP(a,b) do { u8 t = S[a]; S[a] = S[b]; S[b] = t; } while(0)
-
- /* Setup RC4 state */
- for (i = 0; i < 256; i++)
- S[i] = i;
- j = 0;
- kpos = 0;
- for (i = 0; i < 256; i++) {
- j = (j + S[i] + rc4key[kpos]) & 0xff;
- kpos++;
- if (kpos >= klen)
- kpos = 0;
- S_SWAP(i, j);
- }
-
- /* Compute CRC32 over unencrypted data and apply RC4 to data */
- pos = data;
- crc = ~0;
- i = j = 0;
- for (k = 0; k < data_len; k++) {
- crc = crc32_table[(crc ^ *pos) & 0xff] ^ (crc >> 8);
- i = (i + 1) & 0xff;
- j = (j + S[i]) & 0xff;
- S_SWAP(i, j);
- *pos++ ^= S[(S[i] + S[j]) & 0xff];
- }
- crc = ~crc;
-
- /* Append little-endian CRC32 and encrypt it to produce ICV */
- pos[0] = crc;
- pos[1] = crc >> 8;
- pos[2] = crc >> 16;
- pos[3] = crc >> 24;
- for (k = 0; k < 4; k++) {
- i = (i + 1) & 0xff;
- j = (j + S[i]) & 0xff;
- S_SWAP(i, j);
- *pos++ ^= S[(S[i] + S[j]) & 0xff];
- }
-}
-
-
-/* Perform WEP encryption on given skb. 4 bytes of extra space (IV) in the
- * beginning of the buffer 4 bytes of extra space (ICV) in the end of the
- * buffer will be added. Both IV and ICV will be transmitted, so the
- * payload length increases with 8 bytes.
- *
- * WEP frame payload: IV + TX key idx, RC4(data), ICV = RC4(CRC32(data))
- */
-int ieee80211_wep_encrypt(struct ieee80211_local *local, struct sk_buff *skb,
- struct ieee80211_key *key)
-{
- u32 klen;
- u8 *rc4key, *iv;
- size_t len;
-
- if (key == NULL || key->alg != ALG_WEP)
- return -1;
-
- klen = 3 + key->keylen;
- rc4key = kmalloc(klen, GFP_ATOMIC);
- if (rc4key == NULL)
- return -1;
-
- iv = ieee80211_wep_add_iv(local, skb, key);
- if (iv == NULL) {
- kfree(rc4key);
- return -1;
- }
-
- len = skb->len - (iv + WEP_IV_LEN - skb->data);
-
- /* Prepend 24-bit IV to RC4 key */
- memcpy(rc4key, iv, 3);
-
- /* Copy rest of the WEP key (the secret part) */
- memcpy(rc4key + 3, key->key, key->keylen);
-
- /* Add room for ICV */
- skb_put(skb, WEP_ICV_LEN);
-
- ieee80211_wep_encrypt_data(rc4key, klen, iv + WEP_IV_LEN, len);
-
- kfree(rc4key);
-
- return 0;
-}
-
-
-/* Perform WEP decryption using given key. data buffer includes encrypted
- * payload, including 4-byte ICV, but _not_ IV. data_len must not include ICV.
- * Return 0 on success and -1 on ICV mismatch. */
-int ieee80211_wep_decrypt_data(u8 *rc4key, size_t klen, u8 *data,
- size_t data_len)
-{
- u32 i, j, k, crc;
- u8 S[256];
- u8 kpos, *pos, crcbuf[WEP_ICV_LEN], *cpos;
-
- /* Setup RC4 state */
- for (i = 0; i < 256; i++)
- S[i] = i;
- j = 0;
- kpos = 0;
- for (i = 0; i < 256; i++) {
- j = (j + S[i] + rc4key[kpos]) & 0xff;
- kpos++;
- if (kpos >= klen)
- kpos = 0;
- S_SWAP(i, j);
- }
-
- /* Apply RC4 to data and compute CRC32 over decrypted data */
- pos = data;
- crc = ~0;
- i = j = 0;
- for (k = 0; k < data_len; k++) {
- i = (i + 1) & 0xff;
- j = (j + S[i]) & 0xff;
- S_SWAP(i, j);
- *pos ^= S[(S[i] + S[j]) & 0xff];
- crc = crc32_table[(crc ^ *pos++) & 0xff] ^ (crc >> 8);
- }
- crc = ~crc;
-
- /* Decrypt little-endian CRC32 and verify that it matches with the
- * received ICV */
- cpos = crcbuf;
- crcbuf[0] = crc;
- crcbuf[1] = crc >> 8;
- crcbuf[2] = crc >> 16;
- crcbuf[3] = crc >> 24;
- for (k = 0; k < WEP_ICV_LEN; k++) {
- i = (i + 1) & 0xff;
- j = (j + S[i]) & 0xff;
- S_SWAP(i, j);
- if (*cpos++ != (*pos++ ^ S[(S[i] + S[j]) & 0xff])) {
- /* ICV mismatch */
- return -1;
- }
- }
-
- return 0;
-}
-
-
-/* Perform WEP decryption on given skb. Buffer includes whole WEP part of
- * the frame: IV (4 bytes), encrypted payload (including SNAP header),
- * ICV (4 bytes). skb->len includes both IV and ICV.
- *
- * Returns 0 if frame was decrypted successfully and ICV was correct and -1 on
- * failure. If frame is OK, IV and ICV will be removed, i.e., decrypted payload
- * is moved to the beginning of the skb and skb length will be reduced.
- */
-int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb,
- struct ieee80211_key *key)
-{
- u32 klen;
- u8 *rc4key;
- u8 keyidx;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- u16 fc;
- int hdrlen;
- size_t len;
- int ret = 0;
-
- fc = le16_to_cpu(hdr->frame_control);
- if (!(fc & WLAN_FC_ISWEP))
- return -1;
-
- hdrlen = ieee80211_get_hdrlen(fc);
-
- if (skb->len < 8 + hdrlen)
- return -1;
-
- len = skb->len - hdrlen - 8;
-
- keyidx = skb->data[hdrlen + 3] >> 6;
-
- if (key == NULL || keyidx != key->keyidx || key->alg != ALG_WEP)
- return -1;
-
- klen = 3 + key->keylen;
-
- rc4key = kmalloc(klen, GFP_ATOMIC);
- if (rc4key == NULL)
- return -1;
-
- /* Prepend 24-bit IV to RC4 key */
- memcpy(rc4key, skb->data + hdrlen, 3);
-
- /* Copy rest of the WEP key (the secret part) */
- memcpy(rc4key + 3, key->key, key->keylen);
-
- if (ieee80211_wep_decrypt_data(rc4key, klen,
- skb->data + hdrlen + WEP_IV_LEN,
- len)) {
- printk(KERN_DEBUG "WEP decrypt failed (ICV)\n");
- ret = -1;
- }
-
- kfree(rc4key);
-
- /* Trim ICV */
- skb_trim(skb, skb->len - WEP_ICV_LEN);
-
- /* Remove IV */
- memmove(skb->data + WEP_IV_LEN, skb->data, hdrlen);
- skb_pull(skb, WEP_IV_LEN);
-
- return ret;
-}
-
-
-int ieee80211_wep_get_keyidx(struct sk_buff *skb)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- u16 fc;
- int hdrlen;
-
- fc = le16_to_cpu(hdr->frame_control);
- if (!(fc & WLAN_FC_ISWEP))
- return -1;
-
- hdrlen = ieee80211_get_hdrlen(fc);
-
- if (skb->len < 8 + hdrlen)
- return -1;
-
- return skb->data[hdrlen + 3] >> 6;
-}
-
-
-u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- u16 fc;
- int hdrlen;
- u8 *ivpos;
- u32 iv;
-
- fc = le16_to_cpu(hdr->frame_control);
- if (!(fc & WLAN_FC_ISWEP))
- return NULL;
-
- hdrlen = ieee80211_get_hdrlen(fc);
- ivpos = skb->data + hdrlen;
- iv = (ivpos[0] << 16) | (ivpos[1] << 8) | ivpos[2];
-
- if (ieee80211_wep_weak_iv(iv, key->keylen))
- return ivpos;
-
- return NULL;
-}
+++ /dev/null
-/*
- * Software WEP encryption implementation
- * Copyright 2002, Jouni Malinen <jkmaline@cc.hut.fi>
- * Copyright 2003, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef WEP_H
-#define WEP_H
-
-void ieee80211_wep_init(struct ieee80211_local *local);
-void ieee80211_wep_get_iv(struct ieee80211_local *local,
- struct ieee80211_key *key, u8 *iv);
-u8 * ieee80211_wep_add_iv(struct ieee80211_local *local,
- struct sk_buff *skb,
- struct ieee80211_key *key);
-void ieee80211_wep_remove_iv(struct ieee80211_local *local,
- struct sk_buff *skb,
- struct ieee80211_key *key);
-void ieee80211_wep_encrypt_data(u8 *rc4key, size_t klen, u8 *data,
- size_t data_len);
-int ieee80211_wep_decrypt_data(u8 *rc4key, size_t klen, u8 *data,
- size_t data_len);
-int ieee80211_wep_encrypt(struct ieee80211_local *local, struct sk_buff *skb,
- struct ieee80211_key *key);
-int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb,
- struct ieee80211_key *key);
-int ieee80211_wep_get_keyidx(struct sk_buff *skb);
-u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key);
-
-#endif /* WEP_H */
+++ /dev/null
-/*
- * Copyright 2004, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/netdevice.h>
-#include <linux/skbuff.h>
-#include <linux/module.h>
-#include <net/ip.h>
-
-#include <net/ieee80211.h>
-#include "ieee80211_i.h"
-#include "wme.h"
-
-#define CHILD_QDISC_OPS pfifo_qdisc_ops
-
-static inline int WLAN_FC_IS_QOS_DATA(u16 fc)
-{
- return (fc & 0x8C) == 0x88;
-}
-
-
-ieee80211_txrx_result
-ieee80211_rx_h_parse_qos(struct ieee80211_txrx_data *rx)
-{
- u8 *data = rx->skb->data;
- int tid;
-
- /* does the frame have a qos control field? */
- if (WLAN_FC_IS_QOS_DATA(rx->fc)) {
- u8 *qc = data + ieee80211_get_hdrlen(rx->fc) - QOS_CONTROL_LEN;
- /* frame has qos control */
- tid = qc[0] & QOS_CONTROL_TID_MASK;
- } else {
- if (unlikely(WLAN_FC_GET_TYPE(rx->fc) == WLAN_FC_TYPE_MGMT)) {
- /* Separate TID for management frames */
- tid = NUM_RX_DATA_QUEUES - 1;
- } else {
- /* no qos control present */
- tid = 0; /* 802.1d - Best Effort */
- }
- }
-#ifdef CONFIG_IEEE80211_DEBUG_COUNTERS
- I802_DEBUG_INC(rx->local->wme_rx_queue[tid]);
- if (rx->sta) {
- I802_DEBUG_INC(rx->sta->wme_rx_queue[tid]);
- }
-#endif /* CONFIG_IEEE80211_DEBUG_COUNTERS */
-
- rx->u.rx.queue = tid;
- /* Set skb->priority to 1d tag if highest order bit of TID is not set.
- * For now, set skb->priority to 0 for other cases. */
- rx->skb->priority = (tid > 7) ? 0 : tid;
-
- return TXRX_CONTINUE;
-}
-
-
-ieee80211_txrx_result
-ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx)
-{
- u16 fc = rx->fc;
- u8 *data = rx->skb->data;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) data;
-
- if (!WLAN_FC_IS_QOS_DATA(fc))
- return TXRX_CONTINUE;
-
- /* remove the qos control field, update frame type and meta-data */
- memmove(data + 2, data, ieee80211_get_hdrlen(fc) - 2);
- hdr = (struct ieee80211_hdr *) skb_pull(rx->skb, 2);
- /* change frame type to non QOS */
- rx->fc = fc &= ~(WLAN_FC_STYPE_QOS_DATA << 4);
- hdr->frame_control = cpu_to_le16(fc);
-
- return TXRX_CONTINUE;
-}
-
-
-/* maximum number of hardware queues we support. */
-#define TC_80211_MAX_QUEUES 8
-
-struct ieee80211_sched_data
-{
- struct tcf_proto *filter_list;
- struct Qdisc *queues[TC_80211_MAX_QUEUES];
- struct sk_buff_head requeued[TC_80211_MAX_QUEUES];
-};
-
-
-/* given a data frame determine the 802.1p/1d tag to use */
-static inline unsigned classify_1d(struct sk_buff *skb, struct Qdisc *qd)
-{
- struct iphdr *ip;
- int dscp;
- int offset;
-
-#ifdef CONFIG_NET_SCHED
- struct ieee80211_sched_data *q = qdisc_priv(qd);
- struct tcf_result res = { -1, 0 };
-
- /* if there is a user set filter list, call out to that */
- if (q->filter_list) {
- tc_classify(skb, q->filter_list, &res);
- if (res.class != -1)
- return res.class;
- }
-#endif /* CONFIG_NET_SCHED */
-
- /* skb->priority values from 256->263 are magic values to
- * directly indicate a specific 802.1d priority.
- * This is used to allow 802.1d priority to be passed directly in
- * from VLAN tags, etc. */
- if (skb->priority >= 256 && skb->priority <= 263)
- return skb->priority - 256;
-
- /* check there is a valid IP header present */
- offset = ieee80211_get_hdrlen_from_skb(skb) + 8 /* LLC + proto */;
- if (skb->protocol != __constant_htons(ETH_P_IP) ||
- skb->len < offset + sizeof(*ip))
- return 0;
-
- ip = (struct iphdr *) (skb->data + offset);
-
- dscp = ip->tos & 0xfc;
- switch (dscp) {
- case 0x20:
- return 2;
- case 0x40:
- return 1;
- case 0x60:
- return 3;
- case 0x80:
- return 4;
- case 0xa0:
- return 5;
- case 0xc0:
- return 6;
- case 0xe0:
- return 7;
- default:
- return 0;
- }
-}
-
-
-
-
-static inline int wme_downgrade_ac(struct sk_buff *skb)
-{
- switch (skb->priority) {
- case 6:
- case 7:
- skb->priority = 5; /* VO -> VI */
- return 0;
- case 4:
- case 5:
- skb->priority = 3; /* VI -> BE */
- return 0;
- case 0:
- case 3:
- skb->priority = 2; /* BE -> BK */
- return 0;
- default:
- return -1;
- }
-}
-
-
-/* positive return value indicates which queue to use
- * negative return value indicates to drop the frame */
-static inline int classify80211(struct sk_buff *skb, struct Qdisc *qd)
-{
- struct ieee80211_local *local = qd->dev->priv;
- struct ieee80211_tx_packet_data *pkt_data =
- (struct ieee80211_tx_packet_data *) skb->cb;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- unsigned short fc = le16_to_cpu(hdr->frame_control);
- int qos;
- const int ieee802_1d_to_ac[8] = { 2, 3, 3, 2, 1, 1, 0, 0 };
-
- if (unlikely(pkt_data->magic != IEEE80211_CB_MAGIC))
- return -1;
-
- /* see if frame is data or non data frame */
- if (unlikely(WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_DATA)) {
- /* management frames go on AC_VO queue, but are sent
- * without QoS control fields */
- return IEEE80211_TX_QUEUE_DATA0;
- }
-
- if (unlikely(pkt_data->sdata->type == IEEE80211_SUB_IF_TYPE_MGMT)) {
- /* Data frames from hostapd (mainly, EAPOL) use AC_VO
- * and they will include QoS control fields if
- * the target STA is using WME. */
- skb->priority = 7;
- return ieee802_1d_to_ac[skb->priority];
- }
-
-
- /* is this a QoS frame? */
- qos = fc & (WLAN_FC_STYPE_QOS_DATA << 4);
-
-
- if (!qos) {
- skb->priority = 0; /* required for correct WPA/11i MIC */
- return ieee802_1d_to_ac[skb->priority];
- }
-
- /* use the data classifier to determine what 802.1d tag the
- * data frame has */
- skb->priority = classify_1d(skb, qd);
-
-
- /* incase we are a client verify acm is not set for this ac */
- for (; unlikely(local->wmm_acm & BIT(skb->priority)); )
- {
- if (wme_downgrade_ac(skb)) {
- /* No AC with lower priority has acm=0,
- * drop packet. */
- return -1;
- }
- }
-
- /* look up which queue to use for frames with this 1d tag */
- return ieee802_1d_to_ac[skb->priority];
-}
-
-
-static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd)
-{
- struct ieee80211_local *local = qd->dev->priv;
- struct ieee80211_sched_data *q = qdisc_priv(qd);
- struct ieee80211_tx_packet_data *pkt_data =
- (struct ieee80211_tx_packet_data *) skb->cb;
- struct ieee80211_tx_control *control = &pkt_data->control;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- unsigned short fc = le16_to_cpu(hdr->frame_control);
- struct Qdisc *qdisc;
- int err, queue;
-
- if (control->requeue) {
- skb_queue_tail(&q->requeued[control->queue], skb);
- return 0;
- }
-
- queue = classify80211(skb, qd);
-
- /* now we know the 1d priority, fill in the QoS header if there is one */
- if (WLAN_FC_IS_QOS_DATA(fc)) {
- struct qos_control *qc = (struct qos_control *) (skb->data + ieee80211_get_hdrlen(fc) - 2);
- u8 *p = (u8 *) qc;
- *p++ = 0; /* do this due to gcc's lack of optimization on bitfield ops */
- *p = 0;
- qc->tag1d = skb->priority;
- if (local->wifi_wme_noack_test)
- qc->ack_policy = 1;
- }
-
- if (unlikely(queue >= local->hw->queues)) {
-#if 0
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s - queue=%d (hw does not "
- "support) -> %d\n",
- __func__, queue, local->hw->queues - 1);
- }
-#endif
- queue = local->hw->queues - 1;
- }
-
- if (unlikely(queue < 0)) {
- kfree_skb(skb);
- err = NET_XMIT_DROP;
- } else {
- control->queue = (unsigned int) queue;
- qdisc = q->queues[queue];
- err = qdisc->enqueue(skb, qdisc);
- if (err == NET_XMIT_SUCCESS) {
- qd->q.qlen++;
- qd->bstats.bytes += skb->len;
- qd->bstats.packets++;
- return NET_XMIT_SUCCESS;
- }
- }
- qd->qstats.drops++;
- return err;
-}
-
-
-/* TODO: clean up the cases where master_hard_start_xmit
- * returns non 0 - it shouldn't ever do that. Once done we
- * can remove this function */
-static int wme_qdiscop_requeue(struct sk_buff *skb, struct Qdisc* qd)
-{
- struct ieee80211_sched_data *q = qdisc_priv(qd);
- struct ieee80211_tx_packet_data *pkt_data =
- (struct ieee80211_tx_packet_data *) skb->cb;
- struct Qdisc *qdisc;
- int err;
-
- /* we recorded which queue to use earlier! */
- qdisc = q->queues[pkt_data->control.queue];
-
- if ((err = qdisc->ops->requeue(skb, qdisc)) == 0) {
- qd->q.qlen++;
- return 0;
- }
- qd->qstats.drops++;
- return err;
-}
-
-
-static struct sk_buff *wme_qdiscop_dequeue(struct Qdisc* qd)
-{
- struct ieee80211_sched_data *q = qdisc_priv(qd);
- struct net_device *dev = qd->dev;
- struct ieee80211_local *local = dev->priv;
- struct ieee80211_hw *hw = local->hw;
- struct ieee80211_tx_queue_stats stats;
- struct sk_buff *skb;
- struct Qdisc *qdisc;
- int queue;
-
- /* find which hardware queues have space in them */
- hw->get_tx_stats(dev, &stats);
-
- /* check all the h/w queues in numeric/priority order */
- for (queue = 0; queue < hw->queues; queue++) {
- /* see if there is room in this hardware queue */
- if (stats.data[queue].len >= stats.data[queue].limit)
- continue;
-
- /* there is space - try and get a frame */
- skb = skb_dequeue(&q->requeued[queue]);
- if (skb)
- return skb;
-
- qdisc = q->queues[queue];
- skb = qdisc->dequeue(qdisc);
- if (skb) {
- qd->q.qlen--;
- return skb;
- }
- }
- /* returning a NULL here when all the h/w queues are full means we
- * never need to call netif_stop_queue in the driver */
- return NULL;
-}
-
-
-static void wme_qdiscop_reset(struct Qdisc* qd)
-{
- struct ieee80211_sched_data *q = qdisc_priv(qd);
- struct ieee80211_local *local = qd->dev->priv;
- struct ieee80211_hw *hw = local->hw;
- int queue;
-
- /* QUESTION: should we have some hardware flush functionality here? */
-
- for (queue = 0; queue < hw->queues; queue++) {
- skb_queue_purge(&q->requeued[queue]);
- qdisc_reset(q->queues[queue]);
- }
- qd->q.qlen = 0;
-}
-
-
-static void wme_qdiscop_destroy(struct Qdisc* qd)
-{
- struct ieee80211_sched_data *q = qdisc_priv(qd);
- struct ieee80211_local *local = qd->dev->priv;
- struct ieee80211_hw *hw = local->hw;
- struct tcf_proto *tp;
- int queue;
-
- while ((tp = q->filter_list) != NULL) {
- q->filter_list = tp->next;
- tp->ops->destroy(tp);
- }
-
- for (queue=0; queue < hw->queues; queue++) {
- skb_queue_purge(&q->requeued[queue]);
- qdisc_destroy(q->queues[queue]);
- q->queues[queue] = &noop_qdisc;
- }
-}
-
-
-/* called whenever parameters are updated on existing qdisc */
-static int wme_qdiscop_tune(struct Qdisc *qd, struct rtattr *opt)
-{
-/* struct ieee80211_sched_data *q = qdisc_priv(qd);
-*/
- /* check our options block is the right size */
- /* copy any options to our local structure */
-/* Ignore options block for now - always use static mapping
- struct tc_ieee80211_qopt *qopt = RTA_DATA(opt);
-
- if (opt->rta_len < RTA_LENGTH(sizeof(*qopt)))
- return -EINVAL;
- memcpy(q->tag2queue, qopt->tag2queue, sizeof(qopt->tag2queue));
-*/
- return 0;
-}
-
-
-/* called during initial creation of qdisc on device */
-static int wme_qdiscop_init(struct Qdisc *qd, struct rtattr *opt)
-{
- struct ieee80211_sched_data *q = qdisc_priv(qd);
- struct net_device *dev = qd->dev;
- struct ieee80211_local *local = dev->priv;
- int queues = local->hw->queues;
- int err = 0, i;
-
- /* check this device is an ieee80211 master type device */
- if (dev->type != ARPHRD_IEEE80211)
- return -EINVAL;
-
- /* check that there is no qdisc currently attached to device
- * this ensures that we will be the root qdisc. (I can't find a better
- * way to test this explicitly) */
- if (dev->qdisc_sleeping != &noop_qdisc)
- return -EINVAL;
-
- if (qd->flags & TCQ_F_INGRESS)
- return -EINVAL;
-
- /* if options were passed in, set them */
- if (opt) {
- err = wme_qdiscop_tune(qd, opt);
- }
-
- /* create child queues */
- for (i = 0; i < queues; i++) {
- skb_queue_head_init(&q->requeued[i]);
- q->queues[i] = qdisc_create_dflt(qd->dev, &CHILD_QDISC_OPS);
- if (q->queues[i] == 0) {
- q->queues[i] = &noop_qdisc;
- printk(KERN_ERR "%s child qdisc %i creation failed", dev->name, i);
- }
- }
-
- return err;
-}
-
-static int wme_qdiscop_dump(struct Qdisc *qd, struct sk_buff *skb)
-{
-/* struct ieee80211_sched_data *q = qdisc_priv(qd);
- unsigned char *p = skb->tail;
- struct tc_ieee80211_qopt opt;
-
- memcpy(&opt.tag2queue, q->tag2queue, TC_80211_MAX_TAG + 1);
- RTA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt);
-*/ return skb->len;
-/*
-rtattr_failure:
- skb_trim(skb, p - skb->data);*/
- return -1;
-}
-
-
-static int wme_classop_graft(struct Qdisc *qd, unsigned long arg,
- struct Qdisc *new, struct Qdisc **old)
-{
- struct ieee80211_sched_data *q = qdisc_priv(qd);
- struct ieee80211_local *local = qd->dev->priv;
- struct ieee80211_hw *hw = local->hw;
- unsigned long queue = arg - 1;
-
- if (queue >= hw->queues)
- return -EINVAL;
-
- if (new == NULL)
- new = &noop_qdisc;
-
- sch_tree_lock(qd);
- *old = q->queues[queue];
- q->queues[queue] = new;
- qdisc_reset(*old);
- sch_tree_unlock(qd);
-
- return 0;
-}
-
-
-static struct Qdisc *
-wme_classop_leaf(struct Qdisc *qd, unsigned long arg)
-{
- struct ieee80211_sched_data *q = qdisc_priv(qd);
- struct ieee80211_local *local = qd->dev->priv;
- struct ieee80211_hw *hw = local->hw;
- unsigned long queue = arg - 1;
-
- if (queue >= hw->queues)
- return NULL;
-
- return q->queues[queue];
-}
-
-
-static unsigned long wme_classop_get(struct Qdisc *qd, u32 classid)
-{
- struct ieee80211_local *local = qd->dev->priv;
- struct ieee80211_hw *hw = local->hw;
- unsigned long queue = TC_H_MIN(classid);
-
- if (queue - 1 >= hw->queues)
- return 0;
-
- return queue;
-}
-
-
-static unsigned long wme_classop_bind(struct Qdisc *qd, unsigned long parent,
- u32 classid)
-{
- return wme_classop_get(qd, classid);
-}
-
-
-static void wme_classop_put(struct Qdisc *q, unsigned long cl)
-{
- /* printk(KERN_DEBUG "entering %s\n", __func__); */
-}
-
-
-static int wme_classop_change(struct Qdisc *qd, u32 handle, u32 parent,
- struct rtattr **tca, unsigned long *arg)
-{
- unsigned long cl = *arg;
- struct ieee80211_local *local = qd->dev->priv;
- struct ieee80211_hw *hw = local->hw;
- /* printk(KERN_DEBUG "entering %s\n", __func__); */
-
- if (cl - 1 > hw->queues)
- return -ENOENT;
-
- /* TODO: put code to program hardware queue parameters here,
- * to allow programming from tc command line */
-
- return 0;
-}
-
-
-/* we don't support deleting hardware queues
- * when we add WMM-SA support - TSPECs may be deleted here */
-static int wme_classop_delete(struct Qdisc *qd, unsigned long cl)
-{
- struct ieee80211_local *local = qd->dev->priv;
- struct ieee80211_hw *hw = local->hw;
- /* printk(KERN_DEBUG "entering %s\n", __func__); */
-
- if (cl - 1 > hw->queues)
- return -ENOENT;
- return 0;
-}
-
-
-static int wme_classop_dump_class(struct Qdisc *qd, unsigned long cl,
- struct sk_buff *skb, struct tcmsg *tcm)
-{
- struct ieee80211_sched_data *q = qdisc_priv(qd);
- struct ieee80211_local *local = qd->dev->priv;
- struct ieee80211_hw *hw = local->hw;
- /* printk(KERN_DEBUG "entering %s\n", __func__); */
-
- if (cl - 1 > hw->queues)
- return -ENOENT;
- tcm->tcm_handle = TC_H_MIN(cl);
- tcm->tcm_parent = qd->handle;
- tcm->tcm_info = q->queues[cl-1]->handle; /* do we need this? */
- return 0;
-}
-
-
-static void wme_classop_walk(struct Qdisc *qd, struct qdisc_walker *arg)
-{
- struct ieee80211_local *local = qd->dev->priv;
- struct ieee80211_hw *hw = local->hw;
- int queue;
- /* printk(KERN_DEBUG "entering %s\n", __func__); */
-
- if (arg->stop)
- return;
-
- for (queue = 0; queue < hw->queues; queue++) {
- if (arg->count < arg->skip) {
- arg->count++;
- continue;
- }
- /* we should return classids for our internal queues here
- * as well as the external ones */
- if (arg->fn(qd, queue+1, arg) < 0) {
- arg->stop = 1;
- break;
- }
- arg->count++;
- }
-}
-
-
-static struct tcf_proto ** wme_classop_find_tcf(struct Qdisc *qd,
- unsigned long cl)
-{
- struct ieee80211_sched_data *q = qdisc_priv(qd);
- /* printk("entering %s\n", __func__); */
-
- if (cl)
- return NULL;
-
- return &q->filter_list;
-}
-
-
-/* this qdisc is classful (i.e. has classes, some of which may have leaf qdiscs attached)
- * - these are the operations on the classes */
-static struct Qdisc_class_ops class_ops =
-{
- .graft = wme_classop_graft,
- .leaf = wme_classop_leaf,
-
- .get = wme_classop_get,
- .put = wme_classop_put,
- .change = wme_classop_change,
- .delete = wme_classop_delete,
- .walk = wme_classop_walk,
-
- .tcf_chain = wme_classop_find_tcf,
- .bind_tcf = wme_classop_bind,
- .unbind_tcf = wme_classop_put,
-
- .dump = wme_classop_dump_class,
-};
-
-
-/* queueing discipline operations */
-static struct Qdisc_ops wme_qdisc_ops =
-{
- .next = NULL,
- .cl_ops = &class_ops,
- .id = "ieee80211",
- .priv_size = sizeof(struct ieee80211_sched_data),
-
- .enqueue = wme_qdiscop_enqueue,
- .dequeue = wme_qdiscop_dequeue,
- .requeue = wme_qdiscop_requeue,
- .drop = NULL, /* drop not needed since we are always the root qdisc */
-
- .init = wme_qdiscop_init,
- .reset = wme_qdiscop_reset,
- .destroy = wme_qdiscop_destroy,
- .change = wme_qdiscop_tune,
-
- .dump = wme_qdiscop_dump,
-};
-
-
-void ieee80211_install_qdisc(struct net_device *dev)
-{
- struct Qdisc *qdisc;
-
- qdisc = qdisc_create_dflt(dev, &wme_qdisc_ops);
- if (qdisc == NULL) {
- printk(KERN_ERR "%s: qdisc installation failed\n", dev->name);
- return;
- }
-
- /* same handle as would be allocated by qdisc_alloc_handle() */
- qdisc->handle = 0x80010000;
-
- write_lock(&qdisc_tree_lock);
- list_add_tail(&qdisc->list, &dev->qdisc_list);
- dev->qdisc_sleeping = qdisc;
- write_unlock(&qdisc_tree_lock);
-}
-
-
-int ieee80211_wme_register(void)
-{
- int err = 0;
-
-#ifdef CONFIG_NET_SCHED
- err = register_qdisc(&wme_qdisc_ops);
-#endif
- return err;
-}
-
-
-void ieee80211_wme_unregister(void)
-{
-#ifdef CONFIG_NET_SCHED
- unregister_qdisc(&wme_qdisc_ops);
-#endif
-}
+++ /dev/null
-/*
- * IEEE 802.11 driver (80211.o) - QoS datatypes
- * Copyright 2004, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <asm/byteorder.h>
-#include <net/pkt_sched.h>
-
-#define QOS_CONTROL_LEN 2
-
-#define QOS_CONTROL_ACK_POLICY_NORMAL 0
-#define QOS_CONTROL_ACK_POLICY_NOACK 1
-
-#define QOS_CONTROL_TID_MASK 0x0f
-#define QOS_CONTROL_ACK_POLICY_SHIFT 5
-
-/* This bit field structure should not be used; it can cause compiler to
- * generate unaligned accesses and inefficient code. */
-struct qos_control {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
- u8 tag1d:3, /* bits 0-2 */
- reserved1:1,
- eosp:1,
- ack_policy:2,
- reserved2:1;
-#elif defined (__BIG_ENDIAN_BITFIELD)
- u8 reserved2:1,
- ack_policy:2,
- eosp:1,
- reserved1:1,
- tag1d:3; /* bits 0-2 */
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
- u8 reserved;
-} __attribute__ ((packed));
-
-ieee80211_txrx_result
-ieee80211_rx_h_parse_qos(struct ieee80211_txrx_data *rx);
-
-ieee80211_txrx_result
-ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx);
-
-void ieee80211_install_qdisc(struct net_device *dev);
-
-int ieee80211_wme_register(void);
-void ieee80211_wme_unregister(void);
-
+++ /dev/null
-/*
- * Copyright 2002-2004, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/module.h>
-#include <linux/netdevice.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/skbuff.h>
-#include <linux/compiler.h>
-#include <linux/wireless.h>
-#include <net/iw_handler.h>
-
-#include <net/ieee80211.h>
-#include <net/ieee80211_common.h>
-#include "ieee80211_i.h"
-#include "michael.h"
-#include "tkip.h"
-#include "aes_ccm.h"
-#include "wpa.h"
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
-#include "hostapd_ioctl.h"
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
-
-#define MICHAEL_MIC_HWACCEL
-
-
-int ieee80211_get_hdr_info(const struct sk_buff *skb, u8 **sa, u8 **da,
- u8 *qos_tid, u8 **data, size_t *data_len)
-{
- struct ieee80211_hdr *hdr;
- size_t hdrlen;
- u16 fc;
- int a4_included;
- u8 *pos;
-
- hdr = (struct ieee80211_hdr *) skb->data;
- fc = le16_to_cpu(hdr->frame_control);
-
- hdrlen = 24;
- if ((fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) ==
- (WLAN_FC_FROMDS | WLAN_FC_TODS)) {
- hdrlen += ETH_ALEN;
- *sa = hdr->addr4;
- *da = hdr->addr3;
- } else if (fc & WLAN_FC_FROMDS) {
- *sa = hdr->addr3;
- *da = hdr->addr1;
- } else if (fc & WLAN_FC_TODS) {
- *sa = hdr->addr2;
- *da = hdr->addr3;
- } else {
- *sa = hdr->addr2;
- *da = hdr->addr1;
- }
-
- if (fc & 0x80)
- hdrlen += 2;
-
- *data = skb->data + hdrlen;
- *data_len = skb->len - hdrlen;
-
- a4_included = (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
- (WLAN_FC_TODS | WLAN_FC_FROMDS);
- if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_DATA &&
- WLAN_FC_GET_STYPE(fc) & 0x08) {
- pos = (u8 *) &hdr->addr4;
- if (a4_included)
- pos += 6;
- *qos_tid = pos[0] & 0x0f;
- *qos_tid |= 0x80; /* qos_included flag */
- } else
- *qos_tid = 0;
-
- return skb->len < hdrlen ? -1 : 0;
-}
-
-
-ieee80211_txrx_result
-ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx)
-{
- u8 *data, *sa, *da, *key, *mic, qos_tid;
- size_t data_len;
- u16 fc;
- struct sk_buff *skb = tx->skb;
- int authenticator;
-#if defined(CONFIG_HOSTAPD_WPA_TESTING) || defined(MICHAEL_MIC_HWACCEL)
- int wpa_test = 0;
-#endif
-
- fc = tx->fc;
-
- if (!tx->key || tx->key->alg != ALG_TKIP || skb->len < 24 ||
- !WLAN_FC_DATA_PRESENT(fc))
- return TXRX_CONTINUE;
-
- if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len))
- return TXRX_DROP;
-
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- if ((tx->sta && tx->sta->wpa_trigger & WPA_TRIGGER_FAIL_TX_MIC) ||
- (!tx->u.tx.unicast &&
- tx->local->wpa_trigger & WPA_TRIGGER_FAIL_TX_MIC)) {
- wpa_test = 1;
- }
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
-#ifdef MICHAEL_MIC_HWACCEL
- if (!tx->key->force_sw_encrypt && !tx->local->conf.sw_decrypt &&
- !tx->fragmented && !wpa_test) {
- /* hwaccel - with no need for preallocated room for Michael MIC
- */
- return TXRX_CONTINUE;
- }
-#endif /* MICHAEL_MIC_HWACCEL */
-
- if (skb_tailroom(skb) < MICHAEL_MIC_LEN) {
- I802_DEBUG_INC(tx->local->tx_expand_skb_head);
- if (unlikely(pskb_expand_head(skb, TKIP_IV_LEN,
- MICHAEL_MIC_LEN + TKIP_ICV_LEN,
- GFP_ATOMIC))) {
- printk(KERN_DEBUG "%s: failed to allocate more memory "
- "for Michael MIC\n", tx->dev->name);
- return TXRX_DROP;
- }
- }
-
-#if 0
- authenticator = fc & WLAN_FC_FROMDS; /* FIX */
-#else
- authenticator = 1;
-#endif
- key = &tx->key->key[authenticator ? ALG_TKIP_TEMP_AUTH_TX_MIC_KEY :
- ALG_TKIP_TEMP_AUTH_RX_MIC_KEY];
- mic = skb_put(skb, MICHAEL_MIC_LEN);
- michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic);
-
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- if (tx->sta && tx->sta->wpa_trigger & WPA_TRIGGER_FAIL_TX_MIC) {
- printk(KERN_INFO "%s: WPA testing - corrupting TX Michael MIC "
- "for STA " MACSTR "\n",
- tx->dev->name, MAC2STR(tx->sta->addr));
- tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID;
- tx->sta->wpa_trigger &= ~WPA_TRIGGER_FAIL_TX_MIC;
- tx->wpa_test = 1;
- mic[0]++;
- } else if (!tx->u.tx.unicast &&
- tx->local->wpa_trigger & WPA_TRIGGER_FAIL_TX_MIC) {
- printk(KERN_INFO "%s: WPA testing - corrupting TX Michael MIC "
- "for Group Key\n", tx->dev->name);
- tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID;
- tx->local->wpa_trigger &= ~WPA_TRIGGER_FAIL_TX_MIC;
- tx->wpa_test = 1;
- mic[0]++;
- }
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
- return TXRX_CONTINUE;
-}
-
-
-ieee80211_txrx_result
-ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
-{
- u8 *data, *sa, *da, *key = NULL, qos_tid;
- size_t data_len;
- u16 fc;
- u8 mic[MICHAEL_MIC_LEN];
- struct sk_buff *skb = rx->skb;
- int authenticator = 1, wpa_test = 0;
-
- fc = rx->fc;
-
- /* If device handles decryption totally, skip this check */
- if (rx->local->hw->device_hides_wep ||
- rx->local->hw->device_strips_mic)
- return TXRX_CONTINUE;
-
- if (!rx->key || rx->key->alg != ALG_TKIP ||
- !(rx->fc & WLAN_FC_ISWEP) || !WLAN_FC_DATA_PRESENT(fc))
- return TXRX_CONTINUE;
-
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- if (rx->sta && rx->sta->wpa_trigger & WPA_TRIGGER_FAIL_RX_MIC) {
- wpa_test = 1;
- }
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
-#ifdef MICHAEL_MIC_HWACCEL
- if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) &&
- !rx->key->force_sw_encrypt && !rx->local->conf.sw_decrypt) {
- if (rx->local->hw->wep_include_iv) {
- if (skb->len < MICHAEL_MIC_LEN)
- return TXRX_DROP;
- }
- /* Need to verify Michael MIC sometimes in software even when
- * hwaccel is used. Atheros ar5212: fragmented frames and QoS
- * frames. */
- if (!rx->fragmented && !wpa_test)
- goto remove_mic;
- }
-#endif /* MICHAEL_MIC_HWACCEL */
-
- if (ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len)
- || data_len < MICHAEL_MIC_LEN)
- return TXRX_DROP;
-
- data_len -= MICHAEL_MIC_LEN;
-
-#if 0
- authenticator = fc & WLAN_FC_TODS; /* FIX */
-#else
- authenticator = 1;
-#endif
- key = &rx->key->key[authenticator ? ALG_TKIP_TEMP_AUTH_RX_MIC_KEY :
- ALG_TKIP_TEMP_AUTH_TX_MIC_KEY];
- michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic);
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- if (rx->sta && rx->sta->wpa_trigger & WPA_TRIGGER_FAIL_RX_MIC) {
- printk(KERN_INFO "%s: WPA testing - corrupting RX Michael MIC "
- "for STA " MACSTR "\n",
- rx->dev->name, MAC2STR(rx->sta->addr));
- rx->sta->wpa_trigger &= ~WPA_TRIGGER_FAIL_RX_MIC;
- mic[0]++;
- }
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
- if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0 || wpa_test) {
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- int i;
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
- printk(KERN_DEBUG "%s: invalid Michael MIC in data frame from "
- MACSTR "\n", rx->dev->name, MAC2STR(sa));
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- printk(KERN_DEBUG " received");
- for (i = 0; i < MICHAEL_MIC_LEN; i++)
- printk(" %02x", data[data_len + i]);
- printk(" expected");
- for (i = 0; i < MICHAEL_MIC_LEN; i++)
- printk(" %02x", mic[i]);
- printk("\n");
- printk(KERN_DEBUG " SA=" MACSTR " DA=" MACSTR " key",
- MAC2STR(sa), MAC2STR(da));
- for (i = 0; i < 8; i++)
- printk(" %02x", key[i]);
- printk(" (%d)\n", authenticator);
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
- do {
- struct ieee80211_hdr *hdr;
- union iwreq_data wrqu;
- char *buf = kmalloc(128, GFP_ATOMIC);
- if (buf == NULL)
- break;
-
- /* TODO: needed parameters: count, key type, TSC */
- hdr = (struct ieee80211_hdr *) skb->data;
- sprintf(buf, "MLME-MICHAELMICFAILURE.indication("
- "keyid=%d %scast addr=" MACSTR ")",
- rx->key->keyidx,
- hdr->addr1[0] & 0x01 ? "broad" : "uni",
- MAC2STR(hdr->addr2));
- memset(&wrqu, 0, sizeof(wrqu));
- wrqu.data.length = strlen(buf);
- wireless_send_event(rx->dev, IWEVCUSTOM, &wrqu, buf);
- kfree(buf);
- } while (0);
-
- ieee80211_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status,
- ieee80211_msg_michael_mic_failure);
-
- return TXRX_QUEUED;
- }
-
-#ifdef MICHAEL_MIC_HWACCEL
- remove_mic:
-#endif /* MICHAEL_MIC_HWACCEL */
- /* remove Michael MIC from payload */
- skb_trim(skb, skb->len - MICHAEL_MIC_LEN);
-
- return TXRX_CONTINUE;
-}
-
-
-static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx,
- struct sk_buff *skb, int test)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- struct ieee80211_key *key = tx->key;
- int hdrlen, len, tailneed;
- u16 fc;
- u8 *pos;
-
- fc = le16_to_cpu(hdr->frame_control);
- hdrlen = ieee80211_get_hdrlen(fc);
- len = skb->len - hdrlen;
-
- tailneed = (!tx->key->force_sw_encrypt && !tx->local->conf.sw_decrypt)
- ? 0 : TKIP_ICV_LEN;
- if ((skb_headroom(skb) < TKIP_IV_LEN ||
- skb_tailroom(skb) < tailneed)) {
- I802_DEBUG_INC(tx->local->tx_expand_skb_head);
- if (unlikely(pskb_expand_head(skb, TKIP_IV_LEN, tailneed,
- GFP_ATOMIC)))
- return -1;
- }
-
- pos = skb_push(skb, TKIP_IV_LEN);
- memmove(pos, pos + TKIP_IV_LEN, hdrlen);
- pos += hdrlen;
-
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- if (test & WPA_TRIGGER_TX_REPLAY)
- goto skip_iv_inc;
-iv_inc:
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
- /* Increase IV for the frame */
- key->u.tkip.iv16++;
- if (key->u.tkip.iv16 == 0)
- key->u.tkip.iv32++;
-
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- if (test & WPA_TRIGGER_TX_SKIP_SEQ) {
- test = 0;
- goto iv_inc;
- }
-skip_iv_inc:
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
- if (!tx->key->force_sw_encrypt && !tx->local->conf.sw_decrypt
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- && !tx->wpa_test
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
- ) {
- /* hwaccel - with preallocated room for IV */
-
- ieee80211_tkip_add_iv(pos, key,
- (u8) (key->u.tkip.iv16 >> 8),
- (u8) (((key->u.tkip.iv16 >> 8) | 0x20) &
- 0x7f),
- (u8) key->u.tkip.iv16);
-
- tx->u.tx.control->key_idx = tx->key->hw_key_idx;
- return 0;
- }
-
- /* Add room for ICV */
- skb_put(skb, TKIP_ICV_LEN);
-
- hdr = (struct ieee80211_hdr *) skb->data;
- ieee80211_tkip_encrypt_data(key, pos, len, hdr->addr2);
- return 0;
-}
-
-
-ieee80211_txrx_result
-ieee80211_tx_h_tkip_encrypt(struct ieee80211_txrx_data *tx)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
- u16 fc;
- struct ieee80211_key *key = tx->key;
- struct sk_buff *skb = tx->skb;
- int wpa_test = 0, test = 0;
-
- fc = le16_to_cpu(hdr->frame_control);
-
- if (!key || key->alg != ALG_TKIP || !WLAN_FC_DATA_PRESENT(fc))
- return TXRX_CONTINUE;
-
- tx->u.tx.control->icv_len = TKIP_ICV_LEN;
- tx->u.tx.control->iv_len = TKIP_IV_LEN;
- ieee80211_tx_set_iswep(tx);
-
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- if ((tx->sta && tx->sta->wpa_trigger & WPA_TRIGGER_FAIL_TX_ICV) ||
- (!tx->u.tx.unicast &&
- tx->local->wpa_trigger & WPA_TRIGGER_FAIL_TX_ICV)) {
- wpa_test = 1;
- }
-
- if (tx->sta) {
- test = tx->sta->wpa_trigger;
- tx->sta->wpa_trigger &=
- ~(WPA_TRIGGER_TX_REPLAY | WPA_TRIGGER_TX_REPLAY_FRAG |
- WPA_TRIGGER_TX_SKIP_SEQ);
- } else {
- test = tx->local->wpa_trigger;
- tx->local->wpa_trigger &=
- ~(WPA_TRIGGER_TX_REPLAY | WPA_TRIGGER_TX_REPLAY_FRAG |
- WPA_TRIGGER_TX_SKIP_SEQ);
- }
- if (test &
- (WPA_TRIGGER_TX_REPLAY | WPA_TRIGGER_TX_REPLAY_FRAG |
- WPA_TRIGGER_TX_SKIP_SEQ)) {
- printk(KERN_INFO "%s: WPA testing - TKIP TX packet number "
- "%s%s%s%s\n", tx->dev->name,
- tx->sta ? "[UNICAST]" : "[MULTICAST]",
- test & WPA_TRIGGER_TX_REPLAY ? "[REPLAY]" : "",
- test & WPA_TRIGGER_TX_REPLAY_FRAG ?
- "[REPLAY FRAG]" : "",
- test & WPA_TRIGGER_TX_SKIP_SEQ ? "[SKIP SEQ]" : "");
- }
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
- if (!tx->key->force_sw_encrypt && !tx->local->conf.sw_decrypt &&
- !tx->local->hw->wep_include_iv && !wpa_test) {
- /* hwaccel - with no need for preallocated room for IV/ICV */
- tx->u.tx.control->key_idx = tx->key->hw_key_idx;
- return TXRX_CONTINUE;
- }
-
- if (tkip_encrypt_skb(tx, skb, test) < 0)
- return TXRX_DROP;
-
- if (tx->u.tx.extra_frag) {
- int i;
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- if (test & WPA_TRIGGER_TX_REPLAY_FRAG)
- test |= WPA_TRIGGER_TX_REPLAY;
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
- for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
- if (tkip_encrypt_skb(tx, tx->u.tx.extra_frag[i], test)
- < 0)
- return TXRX_DROP;
- }
- }
-
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- if (tx->sta && tx->sta->wpa_trigger & WPA_TRIGGER_FAIL_TX_ICV) {
- printk(KERN_INFO "%s: WPA testing - corrupting TX TKIP ICV "
- "for STA " MACSTR "\n",
- tx->dev->name, MAC2STR(tx->sta->addr));
- tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID;
- tx->sta->wpa_trigger &= ~WPA_TRIGGER_FAIL_TX_ICV;
- skb->data[skb->len - 1]++;
- } else if (!tx->u.tx.unicast &&
- tx->local->wpa_trigger & WPA_TRIGGER_FAIL_TX_ICV) {
- printk(KERN_INFO "%s: WPA testing - corrupting TX TKIP ICV "
- "for Group Key\n",
- tx->dev->name);
- tx->u.tx.control->key_idx = HW_KEY_IDX_INVALID;
- tx->local->wpa_trigger &= ~WPA_TRIGGER_FAIL_TX_ICV;
- skb->data[skb->len - 1]++;
- }
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
- return TXRX_CONTINUE;
-}
-
-
-ieee80211_txrx_result
-ieee80211_rx_h_tkip_decrypt(struct ieee80211_txrx_data *rx)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
- u16 fc;
- int hdrlen, res, hwaccel = 0, wpa_test = 0;
- struct ieee80211_key *key = rx->key;
- struct sk_buff *skb = rx->skb;
-
- fc = le16_to_cpu(hdr->frame_control);
- hdrlen = ieee80211_get_hdrlen(fc);
-
- if (!rx->key || rx->key->alg != ALG_TKIP ||
- !(rx->fc & WLAN_FC_ISWEP) ||
- WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_DATA)
- return TXRX_CONTINUE;
-
- if (!rx->sta || skb->len - hdrlen < 12)
- return TXRX_DROP;
-
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- if (rx->sta && rx->sta->wpa_trigger & WPA_TRIGGER_FAIL_RX_ICV) {
- printk(KERN_INFO "%s: WPA testing - corrupting RX TKIP ICV "
- "for STA " MACSTR "\n",
- rx->dev->name, MAC2STR(rx->sta->addr));
- rx->sta->wpa_trigger &= ~WPA_TRIGGER_FAIL_RX_ICV;
- skb->data[skb->len - 1]++;
- wpa_test = 1;
- }
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
- if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) &&
- !rx->key->force_sw_encrypt && !rx->local->conf.sw_decrypt) {
- if (!rx->local->hw->wep_include_iv) {
- /* Hardware takes care of all processing, including
- * replay protection, so no need to continue here. */
- return TXRX_CONTINUE;
- }
-
- /* let TKIP code verify IV, but skip decryption */
- hwaccel = 1;
- }
-
- res = ieee80211_tkip_decrypt_data(key, skb->data + hdrlen,
- skb->len - hdrlen, rx->sta->addr,
- hwaccel, rx->u.rx.queue);
- if (res != TKIP_DECRYPT_OK || wpa_test) {
- printk(KERN_DEBUG "%s: TKIP decrypt failed for RX frame from "
- MACSTR " (res=%d)\n",
- rx->dev->name, MAC2STR(rx->sta->addr), res);
- return TXRX_DROP;
- }
-
- /* Trim ICV */
- skb_trim(skb, skb->len - TKIP_ICV_LEN);
-
- /* Remove IV */
- memmove(skb->data + TKIP_IV_LEN, skb->data, hdrlen);
- skb_pull(skb, TKIP_IV_LEN);
-
- return TXRX_CONTINUE;
-}
-
-
-static void ccmp_special_blocks(struct sk_buff *skb, u8 *pn, u8 *b_0, u8 *aad,
- int encrypted)
-{
- u16 fc;
- int a4_included, qos_included;
- u8 qos_tid, *fc_pos, *data, *sa, *da;
- int len_a;
- size_t data_len;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-
- fc_pos = (u8 *) &hdr->frame_control;
- fc = fc_pos[0] ^ (fc_pos[1] << 8);
- a4_included = (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
- (WLAN_FC_TODS | WLAN_FC_FROMDS);
-
- ieee80211_get_hdr_info(skb, &sa, &da, &qos_tid, &data, &data_len);
- data_len -= CCMP_HDR_LEN + (encrypted ? CCMP_MIC_LEN : 0);
- if (qos_tid & 0x80) {
- qos_included = 1;
- qos_tid &= 0x0f;
- } else
- qos_included = 0;
- /* First block, b_0 */
-
- b_0[0] = 0x59; /* flags: Adata: 1, M: 011, L: 001 */
- /* Nonce: QoS Priority | A2 | PN */
- b_0[1] = qos_tid;
- memcpy(&b_0[2], hdr->addr2, 6);
- memcpy(&b_0[8], pn, CCMP_PN_LEN);
- /* l(m) */
- b_0[14] = (data_len >> 8) & 0xff;
- b_0[15] = data_len & 0xff;
-
-
- /* AAD (extra authenticate-only data) / masked 802.11 header
- * FC | A1 | A2 | A3 | SC | [A4] | [QC] */
-
- len_a = a4_included ? 28 : 22;
- if (qos_included)
- len_a += 2;
-
- aad[0] = 0; /* (len_a >> 8) & 0xff; */
- aad[1] = len_a & 0xff;
- /* Mask FC: zero subtype b4 b5 b6 */
- aad[2] = fc_pos[0] & ~(BIT(4) | BIT(5) | BIT(6));
- /* Retry, PwrMgt, MoreData; set Protected */
- aad[3] = (fc_pos[1] & ~(BIT(3) | BIT(4) | BIT(5))) | BIT(6);
- memcpy(&aad[4], &hdr->addr1, 18);
-
- /* Mask Seq#, leave Frag# */
- aad[22] = *((u8 *) &hdr->seq_ctrl) & 0x0f;
- aad[23] = 0;
- if (a4_included) {
- memcpy(&aad[24], hdr->addr4, 6);
- aad[30] = 0;
- aad[31] = 0;
- } else
- memset(&aad[24], 0, 8);
- if (qos_included) {
- u8 *dpos = &aad[a4_included ? 30 : 24];
-
- /* Mask QoS Control field */
- dpos[0] = qos_tid;
- dpos[1] = 0;
- }
-}
-
-
-static inline void ccmp_pn2hdr(u8 *hdr, u8 *pn, int key_id)
-{
- hdr[0] = pn[5];
- hdr[1] = pn[4];
- hdr[2] = 0;
- hdr[3] = 0x20 | (key_id << 6);
- hdr[4] = pn[3];
- hdr[5] = pn[2];
- hdr[6] = pn[1];
- hdr[7] = pn[0];
-}
-
-
-static inline int ccmp_hdr2pn(u8 *pn, u8 *hdr)
-{
- pn[0] = hdr[7];
- pn[1] = hdr[6];
- pn[2] = hdr[5];
- pn[3] = hdr[4];
- pn[4] = hdr[1];
- pn[5] = hdr[0];
- return (hdr[3] >> 6) & 0x03;
-}
-
-
-static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx,
- struct sk_buff *skb, int test)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- struct ieee80211_key *key = tx->key;
- int hdrlen, len, tailneed;
- u16 fc;
- u8 *pos, *pn;
- u8 b_0[AES_BLOCK_LEN], aad[2 * AES_BLOCK_LEN];
- int i;
-
- fc = le16_to_cpu(hdr->frame_control);
- hdrlen = ieee80211_get_hdrlen(fc);
- len = skb->len - hdrlen;
-
- tailneed = (!tx->key->force_sw_encrypt && !tx->local->conf.sw_decrypt)
- ? 0 : CCMP_MIC_LEN;
-
- if ((skb_headroom(skb) < CCMP_HDR_LEN ||
- skb_tailroom(skb) < tailneed)) {
- I802_DEBUG_INC(tx->local->tx_expand_skb_head);
- if (unlikely(pskb_expand_head(skb, CCMP_HDR_LEN, tailneed,
- GFP_ATOMIC)))
- return -1;
- }
-
- pos = skb_push(skb, CCMP_HDR_LEN);
- memmove(pos, pos + CCMP_HDR_LEN, hdrlen);
- hdr = (struct ieee80211_hdr *) pos;
- pos += hdrlen;
-
- /* PN = PN + 1 */
- pn = key->u.ccmp.tx_pn;
-
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- if (test & WPA_TRIGGER_TX_REPLAY)
- goto skip_pn_inc;
-pn_inc:
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
- for (i = CCMP_PN_LEN - 1; i >= 0; i--) {
- pn[i]++;
- if (pn[i])
- break;
- }
-
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- if (test & WPA_TRIGGER_TX_SKIP_SEQ) {
- test = 0;
- goto pn_inc;
- }
-skip_pn_inc:
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
- ccmp_pn2hdr(pos, pn, key->keyidx);
-
- if (!tx->key->force_sw_encrypt && !tx->local->conf.sw_decrypt) {
- /* hwaccel - with preallocated room for CCMP header */
- tx->u.tx.control->key_idx = tx->key->hw_key_idx;
- return 0;
- }
-
- pos += CCMP_HDR_LEN;
- ccmp_special_blocks(skb, pn, b_0, aad, 0);
- ieee80211_aes_ccm_encrypt(key->u.ccmp.aes_state, b_0, aad, pos, len,
- pos, skb_put(skb, CCMP_MIC_LEN));
-
- return 0;
-}
-
-
-ieee80211_txrx_result
-ieee80211_tx_h_ccmp_encrypt(struct ieee80211_txrx_data *tx)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data;
- struct ieee80211_key *key = tx->key;
- u16 fc;
- struct sk_buff *skb = tx->skb;
- int test = 0;
-
- fc = le16_to_cpu(hdr->frame_control);
-
- if (!key || key->alg != ALG_CCMP || !WLAN_FC_DATA_PRESENT(fc))
- return TXRX_CONTINUE;
-
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- if (tx->sta) {
- test = tx->sta->wpa_trigger;
- tx->sta->wpa_trigger = 0;
- } else {
- test = tx->local->wpa_trigger;
- tx->local->wpa_trigger = 0;
- }
- if (test &
- (WPA_TRIGGER_TX_REPLAY | WPA_TRIGGER_TX_REPLAY_FRAG |
- WPA_TRIGGER_TX_SKIP_SEQ)) {
- printk(KERN_INFO "%s: WPA testing - CCMP TX packet number "
- "%s%s%s%s\n", tx->dev->name,
- tx->sta ? "[UNICAST]" : "[MULTICAST]",
- test & WPA_TRIGGER_TX_REPLAY ? "[REPLAY]" : "",
- test & WPA_TRIGGER_TX_REPLAY_FRAG ?
- "[REPLAY FRAG]" : "",
- test & WPA_TRIGGER_TX_SKIP_SEQ ? "[SKIP SEQ]" : "");
- }
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
-
- tx->u.tx.control->icv_len = CCMP_MIC_LEN;
- tx->u.tx.control->iv_len = CCMP_HDR_LEN;
- ieee80211_tx_set_iswep(tx);
-
- if (!tx->key->force_sw_encrypt && !tx->local->conf.sw_decrypt &&
- !tx->local->hw->wep_include_iv) {
- /* hwaccel - with no need for preallocated room for CCMP "
- * header or MIC fields */
- tx->u.tx.control->key_idx = tx->key->hw_key_idx;
- return TXRX_CONTINUE;
- }
-
- if (ccmp_encrypt_skb(tx, skb, test) < 0)
- return TXRX_DROP;
-
- if (tx->u.tx.extra_frag) {
- int i;
-#ifdef CONFIG_HOSTAPD_WPA_TESTING
- if (test & WPA_TRIGGER_TX_REPLAY_FRAG)
- test |= WPA_TRIGGER_TX_REPLAY;
-#endif /* CONFIG_HOSTAPD_WPA_TESTING */
- for (i = 0; i < tx->u.tx.num_extra_frag; i++) {
- if (ccmp_encrypt_skb(tx, tx->u.tx.extra_frag[i], test)
- < 0)
- return TXRX_DROP;
- }
- }
-
- return TXRX_CONTINUE;
-}
-
-
-ieee80211_txrx_result
-ieee80211_rx_h_ccmp_decrypt(struct ieee80211_txrx_data *rx)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
- u16 fc;
- int hdrlen;
- struct ieee80211_key *key = rx->key;
- struct sk_buff *skb = rx->skb;
- u8 b_0[AES_BLOCK_LEN], aad[2 * AES_BLOCK_LEN];
- u8 pn[CCMP_PN_LEN];
- int data_len;
-
- fc = le16_to_cpu(hdr->frame_control);
- hdrlen = ieee80211_get_hdrlen(fc);
-
- if (!rx->key || rx->key->alg != ALG_CCMP ||
- !(rx->fc & WLAN_FC_ISWEP) ||
- WLAN_FC_GET_TYPE(rx->fc) != WLAN_FC_TYPE_DATA)
- return TXRX_CONTINUE;
-
- data_len = skb->len - hdrlen - CCMP_HDR_LEN - CCMP_MIC_LEN;
- if (!rx->sta || data_len < 0)
- return TXRX_DROP;
-
- if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) &&
- !rx->key->force_sw_encrypt && !rx->local->conf.sw_decrypt &&
- !rx->local->hw->wep_include_iv)
- return TXRX_CONTINUE;
-
- (void) ccmp_hdr2pn(pn, skb->data + hdrlen);
-
- if (memcmp(pn, key->u.ccmp.rx_pn[rx->u.rx.queue], CCMP_PN_LEN) <= 0) {
-#ifdef CONFIG_IEEE80211_DEBUG
- u8 *ppn = key->u.ccmp.rx_pn[rx->u.rx.queue];
- printk(KERN_DEBUG "%s: CCMP replay detected for RX frame from "
- MACSTR " (RX PN %02x%02x%02x%02x%02x%02x <= prev. PN "
- "%02x%02x%02x%02x%02x%02x)\n", rx->dev->name,
- MAC2STR(rx->sta->addr),
- pn[0], pn[1], pn[2], pn[3], pn[4], pn[5],
- ppn[0], ppn[1], ppn[2], ppn[3], ppn[4], ppn[5]);
-#endif /* CONFIG_IEEE80211_DEBUG */
- key->u.ccmp.replays++;
- return TXRX_DROP;
- }
-
- if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) &&
- !rx->key->force_sw_encrypt && !rx->local->conf.sw_decrypt) {
- /* hwaccel has already decrypted frame and verified MIC */
- } else {
- ccmp_special_blocks(skb, pn, b_0, aad, 1);
-
- if (ieee80211_aes_ccm_decrypt(
- key->u.ccmp.aes_state, b_0, aad,
- skb->data + hdrlen + CCMP_HDR_LEN, data_len,
- skb->data + skb->len - CCMP_MIC_LEN,
- skb->data + hdrlen + CCMP_HDR_LEN)) {
- printk(KERN_DEBUG "%s: CCMP decrypt failed for RX "
- "frame from " MACSTR "\n", rx->dev->name,
- MAC2STR(rx->sta->addr));
- return TXRX_DROP;
- }
- }
-
- memcpy(key->u.ccmp.rx_pn[rx->u.rx.queue], pn, CCMP_PN_LEN);
-
- /* Remove CCMP header and MIC */
- skb_trim(skb, skb->len - CCMP_MIC_LEN);
- memmove(skb->data + CCMP_HDR_LEN, skb->data, hdrlen);
- skb_pull(skb, CCMP_HDR_LEN);
-
- return TXRX_CONTINUE;
-}
-
+++ /dev/null
-/*
- * Copyright 2002-2004, Instant802 Networks, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef WPA_H
-#define WPA_H
-
-ieee80211_txrx_result
-ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx);
-ieee80211_txrx_result
-ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx);
-
-ieee80211_txrx_result
-ieee80211_tx_h_tkip_encrypt(struct ieee80211_txrx_data *tx);
-ieee80211_txrx_result
-ieee80211_rx_h_tkip_decrypt(struct ieee80211_txrx_data *rx);
-
-ieee80211_txrx_result
-ieee80211_tx_h_ccmp_encrypt(struct ieee80211_txrx_data *tx);
-ieee80211_txrx_result
-ieee80211_rx_h_ccmp_decrypt(struct ieee80211_txrx_data *rx);
-
-int ieee80211_get_hdr_info(const struct sk_buff *skb, u8 **sa, u8 **da,
- u8 *qos_tid, u8 **data, size_t *data_len);
-
-#endif /* WPA_H */
projects / openwrt / svn-archive / archive.git / commitdiff