--- /dev/null
+/*
+ * wlcompat.c
+ *
+ * Copyright (C) 2005 Mike Baker
+ * Copyright (C) 2005-2007 Felix Fietkau <nbd@openwrt.org>
+ *
+ * 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; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/if_arp.h>
+#include <linux/wireless.h>
+#include <linux/timer.h>
+#include <linux/delay.h>
+#include <linux/random.h>
+#include <net/iw_handler.h>
+#include <asm/uaccess.h>
+
+#include <typedefs.h>
+#include <bcmutils.h>
+#include <wlioctl.h>
+
+char buf[WLC_IOCTL_MAXLEN];
+static struct net_device *dev;
+#ifndef DEBUG
+static int random = 1;
+#endif
+#ifndef WL_WEXT
+static struct iw_statistics wstats;
+static int last_mode = -1;
+static int scan_cur = 0;
+
+/* The frequency of each channel in MHz */
+const long channel_frequency[] = {
+ 2412, 2417, 2422, 2427, 2432, 2437, 2442,
+ 2447, 2452, 2457, 2462, 2467, 2472, 2484
+};
+#define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
+#endif
+
+#define SCAN_RETRY_MAX 5
+#define RNG_POLL_FREQ 1
+
+typedef struct internal_wsec_key {
+ uint8 index; // 0x00
+ uint8 unknown_1; // 0x01
+ uint8 type; // 0x02
+ uint8 unknown_2[7]; // 0x03
+ uint8 len; // 0x0a
+ uint8 pad[3];
+ char data[32]; // 0x0e
+} wkey;
+
+
+#ifdef DEBUG
+void print_buffer(int len, unsigned char *buf);
+#endif
+
+static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
+{
+ mm_segment_t old_fs = get_fs();
+ struct ifreq ifr;
+ int ret;
+ wl_ioctl_t ioc;
+ ioc.cmd = cmd;
+ ioc.buf = buf;
+ ioc.len = len;
+ strncpy(ifr.ifr_name, dev->name, IFNAMSIZ);
+ ifr.ifr_data = (caddr_t) &ioc;
+ set_fs(KERNEL_DS);
+ ret = dev->do_ioctl(dev,&ifr,SIOCDEVPRIVATE);
+ set_fs (old_fs);
+ return ret;
+}
+
+#if !defined(DEBUG) || !defined(WL_WEXT)
+static int
+wl_iovar_getbuf(struct net_device *dev, char *iovar, void *param, int paramlen, void *bufptr, int buflen)
+{
+ int err;
+ uint namelen;
+ uint iolen;
+
+ namelen = strlen(iovar) + 1; /* length of iovar name plus null */
+ iolen = namelen + paramlen;
+
+ /* check for overflow */
+ if (iolen > buflen)
+ return (BCME_BUFTOOSHORT);
+
+ memcpy(bufptr, iovar, namelen); /* copy iovar name including null */
+ memcpy((int8*)bufptr + namelen, param, paramlen);
+
+ err = wl_ioctl(dev, WLC_GET_VAR, bufptr, buflen);
+
+ return (err);
+}
+
+static int
+wl_iovar_setbuf(struct net_device *dev, char *iovar, void *param, int paramlen, void *bufptr, int buflen)
+{
+ uint namelen;
+ uint iolen;
+
+ namelen = strlen(iovar) + 1; /* length of iovar name plus null */
+ iolen = namelen + paramlen;
+
+ /* check for overflow */
+ if (iolen > buflen)
+ return (BCME_BUFTOOSHORT);
+
+ memcpy(bufptr, iovar, namelen); /* copy iovar name including null */
+ memcpy((int8*)bufptr + namelen, param, paramlen);
+
+ return wl_ioctl(dev, WLC_SET_VAR, bufptr, iolen);
+}
+
+static int
+wl_iovar_set(struct net_device *dev, char *iovar, void *param, int paramlen)
+{
+ char smbuf[WLC_IOCTL_SMLEN];
+
+ return wl_iovar_setbuf(dev, iovar, param, paramlen, smbuf, sizeof(smbuf));
+}
+
+static int
+wl_iovar_get(struct net_device *dev, char *iovar, void *bufptr, int buflen)
+{
+ char smbuf[WLC_IOCTL_SMLEN];
+ int ret;
+
+ /* use the return buffer if it is bigger than what we have on the stack */
+ if (buflen > sizeof(smbuf)) {
+ ret = wl_iovar_getbuf(dev, iovar, NULL, 0, bufptr, buflen);
+ } else {
+ ret = wl_iovar_getbuf(dev, iovar, NULL, 0, smbuf, sizeof(smbuf));
+ if (ret == 0)
+ memcpy(bufptr, smbuf, buflen);
+ }
+
+ return ret;
+}
+
+#ifdef notyet
+/*
+ * format a bsscfg indexed iovar buffer
+ */
+static int
+wl_bssiovar_mkbuf(char *iovar, int bssidx, void *param, int paramlen, void *bufptr, int buflen,
+ int *plen)
+{
+ char *prefix = "bsscfg:";
+ int8* p;
+ uint prefixlen;
+ uint namelen;
+ uint iolen;
+
+ prefixlen = strlen(prefix); /* length of bsscfg prefix */
+ namelen = strlen(iovar) + 1; /* length of iovar name + null */
+ iolen = prefixlen + namelen + sizeof(int) + paramlen;
+
+ /* check for overflow */
+ if (buflen < 0 || iolen > (uint)buflen) {
+ *plen = 0;
+ return BCME_BUFTOOSHORT;
+ }
+
+ p = (int8*)bufptr;
+
+ /* copy prefix, no null */
+ memcpy(p, prefix, prefixlen);
+ p += prefixlen;
+
+ /* copy iovar name including null */
+ memcpy(p, iovar, namelen);
+ p += namelen;
+
+ /* bss config index as first param */
+ memcpy(p, &bssidx, sizeof(int32));
+ p += sizeof(int32);
+
+ /* parameter buffer follows */
+ if (paramlen)
+ memcpy(p, param, paramlen);
+
+ *plen = iolen;
+ return 0;
+}
+
+/*
+ * set named & bss indexed driver variable to buffer value
+ */
+static int
+wl_bssiovar_setbuf(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen, void *bufptr,
+ int buflen)
+{
+ int err;
+ int iolen;
+
+ err = wl_bssiovar_mkbuf(iovar, bssidx, param, paramlen, bufptr, buflen, &iolen);
+ if (err)
+ return err;
+
+ return wl_ioctl(dev, WLC_SET_VAR, bufptr, iolen);
+}
+
+/*
+ * get named & bss indexed driver variable buffer value
+ */
+static int
+wl_bssiovar_getbuf(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen, void *bufptr,
+ int buflen)
+{
+ int err;
+ int iolen;
+
+ err = wl_bssiovar_mkbuf(iovar, bssidx, param, paramlen, bufptr, buflen, &iolen);
+ if (err)
+ return err;
+
+ return wl_ioctl(dev, WLC_GET_VAR, bufptr, buflen);
+}
+
+/*
+ * set named & bss indexed driver variable to buffer value
+ */
+static int
+wl_bssiovar_set(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen)
+{
+ char smbuf[WLC_IOCTL_SMLEN];
+
+ return wl_bssiovar_setbuf(dev, iovar, bssidx, param, paramlen, smbuf, sizeof(smbuf));
+}
+
+/*
+ * get named & bss indexed driver variable buffer value
+ */
+static int
+wl_bssiovar_get(struct net_device *dev, char *iovar, int bssidx, void *outbuf, int len)
+{
+ char smbuf[WLC_IOCTL_SMLEN];
+ int err;
+
+ /* use the return buffer if it is bigger than what we have on the stack */
+ if (len > (int)sizeof(smbuf)) {
+ err = wl_bssiovar_getbuf(dev, iovar, bssidx, NULL, 0, outbuf, len);
+ } else {
+ memset(smbuf, 0, sizeof(smbuf));
+ err = wl_bssiovar_getbuf(dev, iovar, bssidx, NULL, 0, smbuf, sizeof(smbuf));
+ if (err == 0)
+ memcpy(outbuf, smbuf, len);
+ }
+
+ return err;
+}
+#endif
+#endif
+
+#ifndef WL_WEXT
+
+int get_primary_key(struct net_device *dev)
+{
+ int key, val;
+
+ for (key = val = 0; (key < 4) && (val == 0); key++) {
+ val = key;
+ if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0)
+ return -EINVAL;
+ }
+ return key;
+}
+
+
+static int wlcompat_ioctl_getiwrange(struct net_device *dev,
+ char *extra)
+{
+ int i, k;
+ struct iw_range *range;
+
+ range = (struct iw_range *) extra;
+ memset(extra, 0, sizeof(struct iw_range));
+
+ range->we_version_compiled = WIRELESS_EXT;
+ range->we_version_source = WIRELESS_EXT;
+
+ range->min_nwid = range->max_nwid = 0;
+
+ range->num_channels = NUM_CHANNELS;
+ k = 0;
+ for (i = 0; i < NUM_CHANNELS; i++) {
+ range->freq[k].i = i + 1;
+ range->freq[k].m = channel_frequency[i] * 100000;
+ range->freq[k].e = 1;
+ k++;
+ if (k >= IW_MAX_FREQUENCIES)
+ break;
+ }
+ range->num_frequency = k;
+ range->sensitivity = 3;
+
+ /* nbd: don't know what this means, but other drivers set it this way */
+ range->pmp_flags = IW_POWER_PERIOD;
+ range->pmt_flags = IW_POWER_TIMEOUT;
+ range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
+
+ range->min_pmp = 0;
+ range->max_pmp = 65535000;
+ range->min_pmt = 0;
+ range->max_pmt = 65535 * 1000;
+
+ range->max_qual.qual = 0;
+ range->max_qual.level = 0;
+ range->max_qual.noise = 0;
+
+ range->min_rts = 0;
+ if (wl_iovar_get(dev, "rtsthresh", &range->max_rts, sizeof(int)) < 0)
+ range->max_rts = 2347;
+
+ range->min_frag = 256;
+
+ if (wl_iovar_get(dev, "fragthresh", &range->max_frag, sizeof(int)) < 0)
+ range->max_frag = 2346;
+
+ range->txpower_capa = IW_TXPOW_DBM;
+
+ return 0;
+}
+
+
+static int wlcompat_set_scan(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ int ap = 0;
+ wl_scan_params_t params;
+
+ memset(¶ms, 0, sizeof(params));
+
+ /* use defaults (same parameters as wl scan) */
+ memset(¶ms.bssid, 0xff, sizeof(params.bssid));
+ params.bss_type = DOT11_BSSTYPE_ANY;
+ params.scan_type = -1;
+ params.nprobes = -1;
+ params.active_time = -1;
+ params.passive_time = -1;
+ params.home_time = -1;
+
+ /* can only scan in STA mode */
+ wl_ioctl(dev, WLC_GET_AP, &last_mode, sizeof(last_mode));
+ if (last_mode > 0) {
+ /* switch to ap mode, scan result query will switch back */
+ wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
+
+ /* wait 250 msec after mode change */
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(msecs_to_jiffies(250));
+ }
+
+ scan_cur = SCAN_RETRY_MAX;
+ while (scan_cur-- && (wl_ioctl(dev, WLC_SCAN, ¶ms, 64) < 0)) {
+ /* sometimes the driver takes a few tries... */
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(msecs_to_jiffies(250));
+ }
+
+ if (!scan_cur)
+ return -EINVAL;
+
+ scan_cur = 0;
+
+ /* wait at least 2 seconds for results */
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(msecs_to_jiffies(2000));
+
+ return 0;
+}
+
+
+struct iw_statistics *wlcompat_get_wireless_stats(struct net_device *dev)
+{
+ struct wl_bss_info *bss_info = (struct wl_bss_info *) buf;
+ get_pktcnt_t pkt;
+ unsigned int rssi, noise, ap;
+
+ memset(&wstats, 0, sizeof(wstats));
+ memset(&pkt, 0, sizeof(pkt));
+ memset(buf, 0, sizeof(buf));
+ bss_info->version = 0x2000;
+ wl_ioctl(dev, WLC_GET_BSS_INFO, bss_info, WLC_IOCTL_MAXLEN);
+ wl_ioctl(dev, WLC_GET_PKTCNTS, &pkt, sizeof(pkt));
+
+ rssi = 0;
+ if ((wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0) || ap) {
+ if (wl_ioctl(dev, WLC_GET_PHY_NOISE, &noise, sizeof(noise)) < 0)
+ noise = 0;
+ } else {
+ // somehow the structure doesn't fit here
+ rssi = buf[82];
+ noise = buf[84];
+ }
+ rssi = (rssi == 0 ? 1 : rssi);
+ wstats.qual.updated = 0x10;
+ if (rssi <= 1)
+ wstats.qual.updated |= 0x20;
+ if (noise <= 1)
+ wstats.qual.updated |= 0x40;
+
+ if ((wstats.qual.updated & 0x60) == 0x60)
+ return NULL;
+
+ wstats.qual.level = rssi;
+ wstats.qual.noise = noise;
+ wstats.discard.misc = pkt.rx_bad_pkt;
+ wstats.discard.retries = pkt.tx_bad_pkt;
+
+ return &wstats;
+}
+
+static int wlcompat_get_scan(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ wl_scan_results_t *results = (wl_scan_results_t *) buf;
+ wl_bss_info_t *bss_info;
+ char *info_ptr;
+ char *current_ev = extra;
+ char *current_val;
+ char *end_buf = extra + IW_SCAN_MAX_DATA;
+ struct iw_event iwe;
+ int i, j;
+ int rssi, noise;
+
+ memset(buf, 0, WLC_IOCTL_MAXLEN);
+ results->buflen = WLC_IOCTL_MAXLEN - sizeof(wl_scan_results_t);
+
+ if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
+ return -EAGAIN;
+
+ if ((results->count <= 0) && (scan_cur++ < SCAN_RETRY_MAX))
+ return -EAGAIN;
+
+ bss_info = &(results->bss_info[0]);
+ info_ptr = (char *) bss_info;
+ for (i = 0; i < results->count; i++) {
+ /* send the cell address (must be sent first) */
+ iwe.cmd = SIOCGIWAP;
+ iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
+ memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID));
+ current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
+
+ /* send the ESSID */
+ iwe.cmd = SIOCGIWESSID;
+ iwe.u.data.length = bss_info->SSID_len;
+ if (iwe.u.data.length > IW_ESSID_MAX_SIZE)
+ iwe.u.data.length = IW_ESSID_MAX_SIZE;
+ iwe.u.data.flags = 1;
+ current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID);
+
+ /* send mode */
+ if (bss_info->capability & (DOT11_CAP_ESS | DOT11_CAP_IBSS)) {
+ iwe.cmd = SIOCGIWMODE;
+ if (bss_info->capability & DOT11_CAP_ESS)
+ iwe.u.mode = IW_MODE_MASTER;
+ else if (bss_info->capability & DOT11_CAP_IBSS)
+ iwe.u.mode = IW_MODE_ADHOC;
+ current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
+ }
+
+ /* send frequency/channel info */
+ iwe.cmd = SIOCGIWFREQ;
+ iwe.u.freq.e = 0;
+ iwe.u.freq.m = bss_info->chanspec & WL_CHANSPEC_CHAN_MASK;
+ current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
+
+ /* add quality statistics */
+ iwe.cmd = IWEVQUAL;
+ iwe.u.qual.qual = 0;
+ iwe.u.qual.level = bss_info->RSSI;
+ iwe.u.qual.noise = bss_info->phy_noise;
+ current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
+
+ /* send encryption capability */
+ iwe.cmd = SIOCGIWENCODE;
+ iwe.u.data.pointer = NULL;
+ iwe.u.data.length = 0;
+ if (bss_info->capability & DOT11_CAP_PRIVACY)
+ iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
+ else
+ iwe.u.data.flags = IW_ENCODE_DISABLED;
+ current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, NULL);
+
+ /* send rate information */
+ iwe.cmd = SIOCGIWRATE;
+ current_val = current_ev + IW_EV_LCP_LEN;
+ iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
+
+ for(j = 0 ; j < bss_info->rateset.count ; j++) {
+ iwe.u.bitrate.value = ((bss_info->rateset.rates[j] & 0x7f) * 500000);
+ current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
+ }
+ if((current_val - current_ev) > IW_EV_LCP_LEN)
+ current_ev = current_val;
+
+ info_ptr += sizeof(wl_bss_info_t);
+ if (bss_info->ie_length % 4)
+ info_ptr += bss_info->ie_length + 4 - (bss_info->ie_length % 4);
+ else
+ info_ptr += bss_info->ie_length;
+ bss_info = (wl_bss_info_t *) info_ptr;
+ }
+
+ wrqu->data.length = (current_ev - extra);
+ wrqu->data.flags = 0;
+
+ if (last_mode > 0)
+ /* switch back to ap mode */
+ wl_ioctl(dev, WLC_SET_AP, &last_mode, sizeof(last_mode));
+
+ return 0;
+}
+
+static int wlcompat_ioctl(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ switch (info->cmd) {
+ case SIOCGIWNAME:
+ strcpy(wrqu->name, "IEEE 802.11-DS");
+ break;
+ case SIOCGIWFREQ:
+ {
+ channel_info_t ci;
+
+ if (wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci)) < 0)
+ return -EINVAL;
+
+ wrqu->freq.m = ci.target_channel;
+ wrqu->freq.e = 0;
+ break;
+ }
+ case SIOCSIWFREQ:
+ {
+ if (wrqu->freq.m == -1) {
+ wrqu->freq.m = 0;
+ if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
+ return -EINVAL;
+ } else {
+ if (wrqu->freq.e == 1) {
+ int channel = 0;
+ int f = wrqu->freq.m / 100000;
+ while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
+ channel++;
+
+ if (channel == NUM_CHANNELS) // channel not found
+ return -EINVAL;
+
+ wrqu->freq.e = 0;
+ wrqu->freq.m = channel + 1;
+ }
+ if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
+ if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
+ return -EINVAL;
+ } else {
+ return -EINVAL;
+ }
+ }
+ break;
+ }
+ case SIOCSIWAP:
+ {
+ int ap = 0;
+ int infra = 0;
+ rw_reg_t reg;
+
+ memset(®, 0, sizeof(reg));
+
+ if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
+ return -EINVAL;
+
+ if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
+ return -EINVAL;
+
+ if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
+ return -EINVAL;
+
+ if (!infra)
+ wl_ioctl(dev, WLC_SET_BSSID, wrqu->ap_addr.sa_data, 6);
+
+ if (wl_ioctl(dev, ((ap || !infra) ? WLC_SET_BSSID : WLC_REASSOC), wrqu->ap_addr.sa_data, 6) < 0)
+ return -EINVAL;
+
+ break;
+ }
+ case SIOCGIWAP:
+ {
+ wrqu->ap_addr.sa_family = ARPHRD_ETHER;
+ if (wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
+ return -EINVAL;
+ break;
+ }
+ case SIOCGIWESSID:
+ {
+ wlc_ssid_t ssid;
+
+ if (wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t)) < 0)
+ return -EINVAL;
+
+ wrqu->essid.flags = wrqu->data.flags = 1;
+ wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1;
+ memcpy(extra,ssid.SSID,ssid.SSID_len + 1);
+ break;
+ }
+ case SIOCSIWESSID:
+ {
+ wlc_ssid_t ssid;
+ memset(&ssid, 0, sizeof(ssid));
+ ssid.SSID_len = strlen(extra);
+ if (ssid.SSID_len > 32)
+ ssid.SSID_len = 32;
+ memcpy(ssid.SSID, extra, ssid.SSID_len);
+ if (wl_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid)) < 0)
+ return -EINVAL;
+ break;
+ }
+ case SIOCGIWRTS:
+ {
+ if (wl_iovar_get(dev, "rtsthresh", &(wrqu->rts.value), sizeof(int)) < 0)
+ return -EINVAL;
+ break;
+ }
+ case SIOCSIWRTS:
+ {
+ if (wl_iovar_set(dev, "rtsthresh", &(wrqu->rts.value), sizeof(int)) < 0)
+ return -EINVAL;
+ break;
+ }
+ case SIOCGIWFRAG:
+ {
+ if (wl_iovar_get(dev, "fragthresh", &(wrqu->frag.value), sizeof(int)) < 0)
+ return -EINVAL;
+ break;
+ }
+ case SIOCSIWFRAG:
+ {
+ if (wl_iovar_set(dev, "fragthresh", &(wrqu->frag.value), sizeof(int)) < 0)
+ return -EINVAL;
+ break;
+ }
+ case SIOCGIWTXPOW:
+ {
+ int radio, override;
+
+ wl_ioctl(dev, WLC_GET_RADIO, &radio, sizeof(int));
+
+ if (wl_iovar_get(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
+ return -EINVAL;
+
+ override = (wrqu->txpower.value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE;
+ wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE;
+ if (!override && (wrqu->txpower.value > 76))
+ wrqu->txpower.value = 76;
+ wrqu->txpower.value /= 4;
+
+ wrqu->txpower.fixed = 0;
+ wrqu->txpower.disabled = radio;
+ wrqu->txpower.flags = IW_TXPOW_DBM;
+ break;
+ }
+ case SIOCSIWTXPOW:
+ {
+ /* This is weird: WLC_SET_RADIO with 1 as argument disables the radio */
+ int radio = wrqu->txpower.disabled;
+
+ wl_ioctl(dev, WLC_SET_RADIO, &radio, sizeof(int));
+
+ if (!wrqu->txpower.disabled && (wrqu->txpower.value > 0)) {
+ int value;
+
+ if (wl_iovar_get(dev, "qtxpower", &value, sizeof(int)) < 0)
+ return -EINVAL;
+
+ value &= WL_TXPWR_OVERRIDE;
+ wrqu->txpower.value *= 4;
+ wrqu->txpower.value |= value;
+
+ if (wrqu->txpower.flags != IW_TXPOW_DBM)
+ return -EINVAL;
+
+ if (wrqu->txpower.value > 0)
+ if (wl_iovar_set(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
+ return -EINVAL;
+ }
+ break;
+ }
+ case SIOCSIWENCODE:
+ {
+ int val = 0, wep = 1, wrestrict = 1;
+ int index = (wrqu->data.flags & IW_ENCODE_INDEX) - 1;
+
+ if (index < 0)
+ index = get_primary_key(dev);
+
+ if (wrqu->data.flags & IW_ENCODE_DISABLED) {
+ wep = 0;
+ if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
+ return -EINVAL;
+ return 0;
+ }
+
+ if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
+ return -EINVAL;
+
+ if (wrqu->data.flags & IW_ENCODE_OPEN)
+ wrestrict = 0;
+
+ if (wrqu->data.pointer && (wrqu->data.length > 0) && (wrqu->data.length <= 16)) {
+ wl_wsec_key_t key;
+ memset(&key, 0, sizeof(key));
+
+ key.flags = WL_PRIMARY_KEY;
+ key.len = wrqu->data.length;
+ key.index = index;
+ memcpy(key.data, wrqu->data.pointer, wrqu->data.length);
+
+ if (wl_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)) < 0)
+ return -EINVAL;
+ }
+
+ if (index >= 0)
+ wl_ioctl(dev, WLC_SET_KEY_PRIMARY, &index, sizeof(index));
+
+ if (wrestrict >= 0)
+ wl_ioctl(dev, WLC_SET_WEP_RESTRICT, &wrestrict, sizeof(wrestrict));
+
+ break;
+ }
+ case SIOCGIWENCODE:
+ {
+ int val;
+ int key = get_primary_key(dev);
+ int *info_addr;
+ wkey *wep_key;
+
+ if (wl_ioctl(dev, WLC_GET_WSEC, &val, sizeof(val)) < 0)
+ return -EINVAL;
+ if (!(val & WEP_ENABLED)) {
+ wrqu->data.flags = IW_ENCODE_DISABLED;
+ break;
+ }
+
+ key = get_primary_key(dev);
+ wrqu->data.flags = IW_ENCODE_ENABLED;
+
+ /* the driver apparently doesn't allow us to read the wep key */
+ wrqu->data.flags |= IW_ENCODE_NOKEY;
+
+ break;
+ }
+ case SIOCGIWRANGE:
+ {
+ return wlcompat_ioctl_getiwrange(dev, extra);
+ break;
+ }
+ case SIOCSIWMODE:
+ {
+ int ap = -1, infra = -1, passive = 0, wet = 0;
+
+ wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet));
+ switch (wrqu->mode) {
+ case IW_MODE_MONITOR:
+ passive = 1;
+ break;
+ case IW_MODE_ADHOC:
+ infra = 0;
+ ap = 0;
+ break;
+ case IW_MODE_MASTER:
+ infra = 1;
+ ap = 1;
+ break;
+ case IW_MODE_INFRA:
+ infra = 1;
+ ap = 0;
+ wet = 0;
+ break;
+ case IW_MODE_REPEAT:
+ infra = 1;
+ ap = 0;
+ wet = 1;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive));
+ wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive));
+ if ((ap == 0) && (infra == 1))
+ wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet));
+ if (ap >= 0)
+ wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
+ if (infra >= 0)
+ wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
+
+ break;
+ }
+ case SIOCGIWMODE:
+ {
+ int ap, infra, wet, passive;
+
+ if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
+ return -EINVAL;
+ if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
+ return -EINVAL;
+ if (wl_ioctl(dev, WLC_GET_PASSIVE, &passive, sizeof(passive)) < 0)
+ return -EINVAL;
+
+ if (passive) {
+ wrqu->mode = IW_MODE_MONITOR;
+ } else if (!infra) {
+ wrqu->mode = IW_MODE_ADHOC;
+ } else {
+ if (ap) {
+ wrqu->mode = IW_MODE_MASTER;
+ } else {
+ wrqu->mode = IW_MODE_INFRA;
+ }
+ }
+ break;
+ }
+ default:
+ return -EINVAL;
+ break;
+ }
+
+ return 0;
+}
+
+static const iw_handler wlcompat_handler[] = {
+ NULL, /* SIOCSIWCOMMIT */
+ wlcompat_ioctl, /* SIOCGIWNAME */
+ NULL, /* SIOCSIWNWID */
+ NULL, /* SIOCGIWNWID */
+ wlcompat_ioctl, /* SIOCSIWFREQ */
+ wlcompat_ioctl, /* SIOCGIWFREQ */
+ wlcompat_ioctl, /* SIOCSIWMODE */
+ wlcompat_ioctl, /* SIOCGIWMODE */
+ NULL, /* SIOCSIWSENS */
+ NULL, /* SIOCGIWSENS */
+ NULL, /* SIOCSIWRANGE, unused */
+ wlcompat_ioctl, /* SIOCGIWRANGE */
+ NULL, /* SIOCSIWPRIV */
+ NULL, /* SIOCGIWPRIV */
+ NULL, /* SIOCSIWSTATS */
+ NULL, /* SIOCGIWSTATS */
+ iw_handler_set_spy, /* SIOCSIWSPY */
+ iw_handler_get_spy, /* SIOCGIWSPY */
+ iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
+ iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
+ wlcompat_ioctl, /* SIOCSIWAP */
+ wlcompat_ioctl, /* SIOCGIWAP */
+ NULL, /* -- hole -- */
+ NULL, /* SIOCGIWAPLIST */
+ wlcompat_set_scan, /* SIOCSIWSCAN */
+ wlcompat_get_scan, /* SIOCGIWSCAN */
+ wlcompat_ioctl, /* SIOCSIWESSID */
+ wlcompat_ioctl, /* SIOCGIWESSID */
+ NULL, /* SIOCSIWNICKN */
+ NULL, /* SIOCGIWNICKN */
+ NULL, /* -- hole -- */
+ NULL, /* -- hole -- */
+ NULL, /* SIOCSIWRATE */
+ NULL, /* SIOCGIWRATE */
+ wlcompat_ioctl, /* SIOCSIWRTS */
+ wlcompat_ioctl, /* SIOCGIWRTS */
+ wlcompat_ioctl, /* SIOCSIWFRAG */
+ wlcompat_ioctl, /* SIOCGIWFRAG */
+ wlcompat_ioctl, /* SIOCSIWTXPOW */
+ wlcompat_ioctl, /* SIOCGIWTXPOW */
+ NULL, /* SIOCSIWRETRY */
+ NULL, /* SIOCGIWRETRY */
+ wlcompat_ioctl, /* SIOCSIWENCODE */
+ wlcompat_ioctl, /* SIOCGIWENCODE */
+};
+
+
+static const struct iw_handler_def wlcompat_handler_def =
+{
+ .standard = (iw_handler *) wlcompat_handler,
+ .num_standard = sizeof(wlcompat_handler)/sizeof(iw_handler),
+};
+
+#endif
+
+#ifdef DEBUG
+void print_buffer(int len, unsigned char *buf) {
+ int x;
+ if (buf != NULL) {
+ for (x=0;x<len && x<180 ;x++) {
+ if ((x % 4) == 0)
+ printk(" ");
+ printk("%02X",buf[x]);
+ }
+ } else {
+ printk(" NULL");
+ }
+ printk("\n");
+
+}
+#endif
+static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
+static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
+ int ret = 0;
+
+#ifdef DEBUG
+ printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
+ if (cmd==SIOCDEVPRIVATE) {
+ wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
+ unsigned char *buf = ioc->buf;
+ printk(" cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
+ printk(" send: ->");
+ print_buffer(ioc->len, buf);
+ ret = old_ioctl(dev,ifr,cmd);
+ printk(" recv: ->");
+ print_buffer(ioc->len, buf);
+ printk(" ret: %d\n", ret);
+ } else
+#endif
+ {
+ ret = old_ioctl(dev,ifr,cmd);
+ }
+ return ret;
+}
+
+#ifndef DEBUG
+static struct timer_list rng_timer;
+static spinlock_t rng_lock = SPIN_LOCK_UNLOCKED;
+
+static void rng_timer_tick(unsigned long n)
+{
+ struct net_device *dev = (struct net_device *) n;
+ unsigned long flags;
+ u16 data[4];
+ int i, ret;
+
+ ret = 0;
+ spin_lock_irqsave(&rng_lock, flags);
+ for (i = 0; i < 3; i++) {
+ ret |= wl_iovar_get(dev, "rand", &data[i], sizeof(u16));
+ }
+ spin_unlock_irqrestore(&rng_lock, flags);
+
+ if (!ret)
+ batch_entropy_store(*((u32 *) &data[0]), *((u32 *) &data[2]), (jiffies % 255));
+
+ mod_timer(&rng_timer, jiffies + (HZ/RNG_POLL_FREQ));
+}
+#endif
+
+static int __init wlcompat_init()
+{
+ int found = 0, i;
+ char devname[4] = "wl0";
+
+ while (!found && (dev = dev_get_by_name(devname))) {
+ if ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && (i == WLC_IOCTL_MAGIC))
+ found = 1;
+ devname[2]++;
+ }
+
+
+ if (!found) {
+ printk("No Broadcom devices found.\n");
+ return -ENODEV;
+ }
+
+ old_ioctl = dev->do_ioctl;
+ dev->do_ioctl = new_ioctl;
+#ifndef WL_WEXT
+ dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
+ dev->get_wireless_stats = wlcompat_get_wireless_stats;
+#endif
+
+#ifndef DEBUG
+ if (random) {
+ init_timer(&rng_timer);
+ rng_timer.function = rng_timer_tick;
+ rng_timer.data = (unsigned long) dev;
+ rng_timer_tick((unsigned long) dev);
+ }
+#endif
+
+#ifdef DEBUG
+ printk("broadcom driver private data: 0x%08x\n", dev->priv);
+#endif
+ return 0;
+}
+
+static void __exit wlcompat_exit()
+{
+#ifndef DEBUG
+ if (random)
+ del_timer(&rng_timer);
+#endif
+#ifndef WL_WEXT
+ dev->get_wireless_stats = NULL;
+ dev->wireless_handlers = NULL;
+#endif
+ dev->do_ioctl = old_ioctl;
+ return;
+}
+
+EXPORT_NO_SYMBOLS;
+MODULE_AUTHOR("openwrt.org");
+MODULE_LICENSE("GPL");
+
+#ifndef DEBUG
+module_param(random, int, 0);
+#endif
+module_init(wlcompat_init);
+module_exit(wlcompat_exit);
projects / openwrt / svn-archive / archive.git / blobdiff