+++ /dev/null
-/* Copyright (C) 2006, Red Hat, Inc. */
-
-#include <linux/etherdevice.h>
-
-#include "assoc.h"
-#include "decl.h"
-#include "host.h"
-#include "scan.h"
-#include "cmd.h"
-
-
-static const u8 bssid_any[ETH_ALEN] __attribute__ ((aligned (2))) =
- { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
-static const u8 bssid_off[ETH_ALEN] __attribute__ ((aligned (2))) =
- { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
-
-/* The firmware needs certain bits masked out of the beacon-derviced capability
- * field when associating/joining to BSSs.
- */
-#define CAPINFO_MASK (~(0xda00))
-
-
-
-/**
- * @brief Associate to a specific BSS discovered in a scan
- *
- * @param priv A pointer to struct lbs_private structure
- * @param pbssdesc Pointer to the BSS descriptor to associate with.
- *
- * @return 0-success, otherwise fail
- */
-static int lbs_associate(struct lbs_private *priv,
- struct assoc_request *assoc_req)
-{
- int ret;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- ret = lbs_prepare_and_send_command(priv, CMD_802_11_AUTHENTICATE,
- 0, CMD_OPTION_WAITFORRSP,
- 0, assoc_req->bss.bssid);
-
- if (ret)
- goto done;
-
- /* set preamble to firmware */
- if ((priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) &&
- (assoc_req->bss.capability & WLAN_CAPABILITY_SHORT_PREAMBLE))
- priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
- else
- priv->preamble = CMD_TYPE_LONG_PREAMBLE;
-
- lbs_set_radio_control(priv);
-
- ret = lbs_prepare_and_send_command(priv, CMD_802_11_ASSOCIATE,
- 0, CMD_OPTION_WAITFORRSP, 0, assoc_req);
-
-done:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-/**
- * @brief Join an adhoc network found in a previous scan
- *
- * @param priv A pointer to struct lbs_private structure
- * @param pbssdesc Pointer to a BSS descriptor found in a previous scan
- * to attempt to join
- *
- * @return 0--success, -1--fail
- */
-static int lbs_join_adhoc_network(struct lbs_private *priv,
- struct assoc_request *assoc_req)
-{
- struct bss_descriptor *bss = &assoc_req->bss;
- int ret = 0;
-
- lbs_deb_join("current SSID '%s', ssid length %u\n",
- escape_essid(priv->curbssparams.ssid,
- priv->curbssparams.ssid_len),
- priv->curbssparams.ssid_len);
- lbs_deb_join("requested ssid '%s', ssid length %u\n",
- escape_essid(bss->ssid, bss->ssid_len),
- bss->ssid_len);
-
- /* check if the requested SSID is already joined */
- if (priv->curbssparams.ssid_len &&
- !lbs_ssid_cmp(priv->curbssparams.ssid,
- priv->curbssparams.ssid_len,
- bss->ssid, bss->ssid_len) &&
- (priv->mode == IW_MODE_ADHOC) &&
- (priv->connect_status == LBS_CONNECTED)) {
- union iwreq_data wrqu;
-
- lbs_deb_join("ADHOC_J_CMD: New ad-hoc SSID is the same as "
- "current, not attempting to re-join");
-
- /* Send the re-association event though, because the association
- * request really was successful, even if just a null-op.
- */
- memset(&wrqu, 0, sizeof(wrqu));
- memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid,
- ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
- goto out;
- }
-
- /* Use shortpreamble only when both creator and card supports
- short preamble */
- if (!(bss->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) ||
- !(priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)) {
- lbs_deb_join("AdhocJoin: Long preamble\n");
- priv->preamble = CMD_TYPE_LONG_PREAMBLE;
- } else {
- lbs_deb_join("AdhocJoin: Short preamble\n");
- priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
- }
-
- lbs_set_radio_control(priv);
-
- lbs_deb_join("AdhocJoin: channel = %d\n", assoc_req->channel);
- lbs_deb_join("AdhocJoin: band = %c\n", assoc_req->band);
-
- priv->adhoccreate = 0;
-
- ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_JOIN,
- 0, CMD_OPTION_WAITFORRSP,
- OID_802_11_SSID, assoc_req);
-
-out:
- return ret;
-}
-
-/**
- * @brief Start an Adhoc Network
- *
- * @param priv A pointer to struct lbs_private structure
- * @param adhocssid The ssid of the Adhoc Network
- * @return 0--success, -1--fail
- */
-static int lbs_start_adhoc_network(struct lbs_private *priv,
- struct assoc_request *assoc_req)
-{
- int ret = 0;
-
- priv->adhoccreate = 1;
-
- if (priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) {
- lbs_deb_join("AdhocStart: Short preamble\n");
- priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
- } else {
- lbs_deb_join("AdhocStart: Long preamble\n");
- priv->preamble = CMD_TYPE_LONG_PREAMBLE;
- }
-
- lbs_set_radio_control(priv);
-
- lbs_deb_join("AdhocStart: channel = %d\n", assoc_req->channel);
- lbs_deb_join("AdhocStart: band = %d\n", assoc_req->band);
-
- ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_START,
- 0, CMD_OPTION_WAITFORRSP, 0, assoc_req);
-
- return ret;
-}
-
-int lbs_stop_adhoc_network(struct lbs_private *priv)
-{
- return lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_STOP,
- 0, CMD_OPTION_WAITFORRSP, 0, NULL);
-}
-
-static inline int match_bss_no_security(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (!secinfo->wep_enabled && !secinfo->WPAenabled
- && !secinfo->WPA2enabled
- && match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC
- && match_bss->rsn_ie[0] != MFIE_TYPE_RSN
- && !(match_bss->capability & WLAN_CAPABILITY_PRIVACY))
- return 1;
- else
- return 0;
-}
-
-static inline int match_bss_static_wep(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (secinfo->wep_enabled && !secinfo->WPAenabled
- && !secinfo->WPA2enabled
- && (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
- return 1;
- else
- return 0;
-}
-
-static inline int match_bss_wpa(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (!secinfo->wep_enabled && secinfo->WPAenabled
- && (match_bss->wpa_ie[0] == MFIE_TYPE_GENERIC)
- /* privacy bit may NOT be set in some APs like LinkSys WRT54G
- && (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
- )
- return 1;
- else
- return 0;
-}
-
-static inline int match_bss_wpa2(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (!secinfo->wep_enabled && secinfo->WPA2enabled &&
- (match_bss->rsn_ie[0] == MFIE_TYPE_RSN)
- /* privacy bit may NOT be set in some APs like LinkSys WRT54G
- (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
- )
- return 1;
- else
- return 0;
-}
-
-static inline int match_bss_dynamic_wep(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (!secinfo->wep_enabled && !secinfo->WPAenabled
- && !secinfo->WPA2enabled
- && (match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC)
- && (match_bss->rsn_ie[0] != MFIE_TYPE_RSN)
- && (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
- return 1;
- else
- return 0;
-}
-
-/**
- * @brief Check if a scanned network compatible with the driver settings
- *
- * WEP WPA WPA2 ad-hoc encrypt Network
- * enabled enabled enabled AES mode privacy WPA WPA2 Compatible
- * 0 0 0 0 NONE 0 0 0 yes No security
- * 1 0 0 0 NONE 1 0 0 yes Static WEP
- * 0 1 0 0 x 1x 1 x yes WPA
- * 0 0 1 0 x 1x x 1 yes WPA2
- * 0 0 0 1 NONE 1 0 0 yes Ad-hoc AES
- * 0 0 0 0 !=NONE 1 0 0 yes Dynamic WEP
- *
- *
- * @param priv A pointer to struct lbs_private
- * @param index Index in scantable to check against current driver settings
- * @param mode Network mode: Infrastructure or IBSS
- *
- * @return Index in scantable, or error code if negative
- */
-static int is_network_compatible(struct lbs_private *priv,
- struct bss_descriptor *bss, uint8_t mode)
-{
- int matched = 0;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- if (bss->mode != mode)
- goto done;
-
- matched = match_bss_no_security(&priv->secinfo, bss);
- if (matched)
- goto done;
- matched = match_bss_static_wep(&priv->secinfo, bss);
- if (matched)
- goto done;
- matched = match_bss_wpa(&priv->secinfo, bss);
- if (matched) {
- lbs_deb_scan("is_network_compatible() WPA: wpa_ie 0x%x "
- "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
- "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
- priv->secinfo.wep_enabled ? "e" : "d",
- priv->secinfo.WPAenabled ? "e" : "d",
- priv->secinfo.WPA2enabled ? "e" : "d",
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
- goto done;
- }
- matched = match_bss_wpa2(&priv->secinfo, bss);
- if (matched) {
- lbs_deb_scan("is_network_compatible() WPA2: wpa_ie 0x%x "
- "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
- "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
- priv->secinfo.wep_enabled ? "e" : "d",
- priv->secinfo.WPAenabled ? "e" : "d",
- priv->secinfo.WPA2enabled ? "e" : "d",
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
- goto done;
- }
- matched = match_bss_dynamic_wep(&priv->secinfo, bss);
- if (matched) {
- lbs_deb_scan("is_network_compatible() dynamic WEP: "
- "wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n",
- bss->wpa_ie[0], bss->rsn_ie[0],
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
- goto done;
- }
-
- /* bss security settings don't match those configured on card */
- lbs_deb_scan("is_network_compatible() FAILED: wpa_ie 0x%x "
- "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n",
- bss->wpa_ie[0], bss->rsn_ie[0],
- priv->secinfo.wep_enabled ? "e" : "d",
- priv->secinfo.WPAenabled ? "e" : "d",
- priv->secinfo.WPA2enabled ? "e" : "d",
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
-
-done:
- lbs_deb_leave_args(LBS_DEB_SCAN, "matched: %d", matched);
- return matched;
-}
-
-/**
- * @brief This function finds a specific compatible BSSID in the scan list
- *
- * Used in association code
- *
- * @param priv A pointer to struct lbs_private
- * @param bssid BSSID to find in the scan list
- * @param mode Network mode: Infrastructure or IBSS
- *
- * @return index in BSSID list, or error return code (< 0)
- */
-static struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
- uint8_t *bssid, uint8_t mode)
-{
- struct bss_descriptor *iter_bss;
- struct bss_descriptor *found_bss = NULL;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- if (!bssid)
- goto out;
-
- lbs_deb_hex(LBS_DEB_SCAN, "looking for", bssid, ETH_ALEN);
-
- /* Look through the scan table for a compatible match. The loop will
- * continue past a matched bssid that is not compatible in case there
- * is an AP with multiple SSIDs assigned to the same BSSID
- */
- mutex_lock(&priv->lock);
- list_for_each_entry(iter_bss, &priv->network_list, list) {
- if (compare_ether_addr(iter_bss->bssid, bssid))
- continue; /* bssid doesn't match */
- switch (mode) {
- case IW_MODE_INFRA:
- case IW_MODE_ADHOC:
- if (!is_network_compatible(priv, iter_bss, mode))
- break;
- found_bss = iter_bss;
- break;
- default:
- found_bss = iter_bss;
- break;
- }
- }
- mutex_unlock(&priv->lock);
-
-out:
- lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
- return found_bss;
-}
-
-/**
- * @brief This function finds ssid in ssid list.
- *
- * Used in association code
- *
- * @param priv A pointer to struct lbs_private
- * @param ssid SSID to find in the list
- * @param bssid BSSID to qualify the SSID selection (if provided)
- * @param mode Network mode: Infrastructure or IBSS
- *
- * @return index in BSSID list
- */
-static struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
- uint8_t *ssid, uint8_t ssid_len,
- uint8_t *bssid, uint8_t mode,
- int channel)
-{
- u32 bestrssi = 0;
- struct bss_descriptor *iter_bss = NULL;
- struct bss_descriptor *found_bss = NULL;
- struct bss_descriptor *tmp_oldest = NULL;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- mutex_lock(&priv->lock);
-
- list_for_each_entry(iter_bss, &priv->network_list, list) {
- if (!tmp_oldest ||
- (iter_bss->last_scanned < tmp_oldest->last_scanned))
- tmp_oldest = iter_bss;
-
- if (lbs_ssid_cmp(iter_bss->ssid, iter_bss->ssid_len,
- ssid, ssid_len) != 0)
- continue; /* ssid doesn't match */
- if (bssid && compare_ether_addr(iter_bss->bssid, bssid) != 0)
- continue; /* bssid doesn't match */
- if ((channel > 0) && (iter_bss->channel != channel))
- continue; /* channel doesn't match */
-
- switch (mode) {
- case IW_MODE_INFRA:
- case IW_MODE_ADHOC:
- if (!is_network_compatible(priv, iter_bss, mode))
- break;
-
- if (bssid) {
- /* Found requested BSSID */
- found_bss = iter_bss;
- goto out;
- }
-
- if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- found_bss = iter_bss;
- }
- break;
- case IW_MODE_AUTO:
- default:
- if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- found_bss = iter_bss;
- }
- break;
- }
- }
-
-out:
- mutex_unlock(&priv->lock);
- lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
- return found_bss;
-}
-
-static int assoc_helper_essid(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
- struct bss_descriptor * bss;
- int channel = -1;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- /* FIXME: take channel into account when picking SSIDs if a channel
- * is set.
- */
-
- if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags))
- channel = assoc_req->channel;
-
- lbs_deb_assoc("SSID '%s' requested\n",
- escape_essid(assoc_req->ssid, assoc_req->ssid_len));
- if (assoc_req->mode == IW_MODE_INFRA) {
- lbs_send_specific_ssid_scan(priv, assoc_req->ssid,
- assoc_req->ssid_len);
-
- bss = lbs_find_ssid_in_list(priv, assoc_req->ssid,
- assoc_req->ssid_len, NULL, IW_MODE_INFRA, channel);
- if (bss != NULL) {
- memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
- ret = lbs_associate(priv, assoc_req);
- } else {
- lbs_deb_assoc("SSID not found; cannot associate\n");
- }
- } else if (assoc_req->mode == IW_MODE_ADHOC) {
- /* Scan for the network, do not save previous results. Stale
- * scan data will cause us to join a non-existant adhoc network
- */
- lbs_send_specific_ssid_scan(priv, assoc_req->ssid,
- assoc_req->ssid_len);
-
- /* Search for the requested SSID in the scan table */
- bss = lbs_find_ssid_in_list(priv, assoc_req->ssid,
- assoc_req->ssid_len, NULL, IW_MODE_ADHOC, channel);
- if (bss != NULL) {
- lbs_deb_assoc("SSID found, will join\n");
- memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
- lbs_join_adhoc_network(priv, assoc_req);
- } else {
- /* else send START command */
- lbs_deb_assoc("SSID not found, creating adhoc network\n");
- memcpy(&assoc_req->bss.ssid, &assoc_req->ssid,
- IW_ESSID_MAX_SIZE);
- assoc_req->bss.ssid_len = assoc_req->ssid_len;
- lbs_start_adhoc_network(priv, assoc_req);
- }
- }
-
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int assoc_helper_bssid(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
- struct bss_descriptor * bss;
- DECLARE_MAC_BUF(mac);
-
- lbs_deb_enter_args(LBS_DEB_ASSOC, "BSSID %s",
- print_mac(mac, assoc_req->bssid));
-
- /* Search for index position in list for requested MAC */
- bss = lbs_find_bssid_in_list(priv, assoc_req->bssid,
- assoc_req->mode);
- if (bss == NULL) {
- lbs_deb_assoc("ASSOC: WAP: BSSID %s not found, "
- "cannot associate.\n", print_mac(mac, assoc_req->bssid));
- goto out;
- }
-
- memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
- if (assoc_req->mode == IW_MODE_INFRA) {
- ret = lbs_associate(priv, assoc_req);
- lbs_deb_assoc("ASSOC: lbs_associate(bssid) returned %d\n", ret);
- } else if (assoc_req->mode == IW_MODE_ADHOC) {
- lbs_join_adhoc_network(priv, assoc_req);
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int assoc_helper_associate(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0, done = 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- /* If we're given and 'any' BSSID, try associating based on SSID */
-
- if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
- if (compare_ether_addr(bssid_any, assoc_req->bssid)
- && compare_ether_addr(bssid_off, assoc_req->bssid)) {
- ret = assoc_helper_bssid(priv, assoc_req);
- done = 1;
- }
- }
-
- if (!done && test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
- ret = assoc_helper_essid(priv, assoc_req);
- }
-
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int assoc_helper_mode(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- if (assoc_req->mode == priv->mode)
- goto done;
-
- if (assoc_req->mode == IW_MODE_INFRA) {
- if (priv->psstate != PS_STATE_FULL_POWER)
- lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
- priv->psmode = LBS802_11POWERMODECAM;
- }
-
- priv->mode = assoc_req->mode;
- ret = lbs_prepare_and_send_command(priv,
- CMD_802_11_SNMP_MIB,
- 0, CMD_OPTION_WAITFORRSP,
- OID_802_11_INFRASTRUCTURE_MODE,
- /* Shoot me now */ (void *) (size_t) assoc_req->mode);
-
-done:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-static int assoc_helper_channel(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- ret = lbs_update_channel(priv);
- if (ret) {
- lbs_deb_assoc("ASSOC: channel: error getting channel.\n");
- goto done;
- }
-
- if (assoc_req->channel == priv->curbssparams.channel)
- goto done;
-
- if (priv->mesh_dev) {
- /* Change mesh channel first; 21.p21 firmware won't let
- you change channel otherwise (even though it'll return
- an error to this */
- lbs_mesh_config(priv, 0, assoc_req->channel);
- }
-
- lbs_deb_assoc("ASSOC: channel: %d -> %d\n",
- priv->curbssparams.channel, assoc_req->channel);
-
- ret = lbs_set_channel(priv, assoc_req->channel);
- if (ret < 0)
- lbs_deb_assoc("ASSOC: channel: error setting channel.\n");
-
- /* FIXME: shouldn't need to grab the channel _again_ after setting
- * it since the firmware is supposed to return the new channel, but
- * whatever... */
- ret = lbs_update_channel(priv);
- if (ret) {
- lbs_deb_assoc("ASSOC: channel: error getting channel.\n");
- goto done;
- }
-
- if (assoc_req->channel != priv->curbssparams.channel) {
- lbs_deb_assoc("ASSOC: channel: failed to update channel to %d\n",
- assoc_req->channel);
- goto restore_mesh;
- }
-
- if ( assoc_req->secinfo.wep_enabled
- && (assoc_req->wep_keys[0].len
- || assoc_req->wep_keys[1].len
- || assoc_req->wep_keys[2].len
- || assoc_req->wep_keys[3].len)) {
- /* Make sure WEP keys are re-sent to firmware */
- set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
- }
-
- /* Must restart/rejoin adhoc networks after channel change */
- set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
-
- restore_mesh:
- if (priv->mesh_dev)
- lbs_mesh_config(priv, 1, priv->curbssparams.channel);
-
- done:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int assoc_helper_wep_keys(struct lbs_private *priv,
- struct assoc_request *assoc_req)
-{
- int i;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- /* Set or remove WEP keys */
- if (assoc_req->wep_keys[0].len || assoc_req->wep_keys[1].len ||
- assoc_req->wep_keys[2].len || assoc_req->wep_keys[3].len)
- ret = lbs_cmd_802_11_set_wep(priv, CMD_ACT_ADD, assoc_req);
- else
- ret = lbs_cmd_802_11_set_wep(priv, CMD_ACT_REMOVE, assoc_req);
-
- if (ret)
- goto out;
-
- /* enable/disable the MAC's WEP packet filter */
- if (assoc_req->secinfo.wep_enabled)
- priv->mac_control |= CMD_ACT_MAC_WEP_ENABLE;
- else
- priv->mac_control &= ~CMD_ACT_MAC_WEP_ENABLE;
-
- lbs_set_mac_control(priv);
-
- mutex_lock(&priv->lock);
-
- /* Copy WEP keys into priv wep key fields */
- for (i = 0; i < 4; i++) {
- memcpy(&priv->wep_keys[i], &assoc_req->wep_keys[i],
- sizeof(struct enc_key));
- }
- priv->wep_tx_keyidx = assoc_req->wep_tx_keyidx;
-
- mutex_unlock(&priv->lock);
-
-out:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-static int assoc_helper_secinfo(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
- uint16_t do_wpa;
- uint16_t rsn = 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- memcpy(&priv->secinfo, &assoc_req->secinfo,
- sizeof(struct lbs_802_11_security));
-
- lbs_set_mac_control(priv);
-
- /* If RSN is already enabled, don't try to enable it again, since
- * ENABLE_RSN resets internal state machines and will clobber the
- * 4-way WPA handshake.
- */
-
- /* Get RSN enabled/disabled */
- ret = lbs_cmd_802_11_enable_rsn(priv, CMD_ACT_GET, &rsn);
- if (ret) {
- lbs_deb_assoc("Failed to get RSN status: %d\n", ret);
- goto out;
- }
-
- /* Don't re-enable RSN if it's already enabled */
- do_wpa = assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled;
- if (do_wpa == rsn)
- goto out;
-
- /* Set RSN enabled/disabled */
- ret = lbs_cmd_802_11_enable_rsn(priv, CMD_ACT_SET, &do_wpa);
-
-out:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int assoc_helper_wpa_keys(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
- unsigned int flags = assoc_req->flags;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- /* Work around older firmware bug where WPA unicast and multicast
- * keys must be set independently. Seen in SDIO parts with firmware
- * version 5.0.11p0.
- */
-
- if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
- clear_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
- ret = lbs_cmd_802_11_key_material(priv, CMD_ACT_SET, assoc_req);
- assoc_req->flags = flags;
- }
-
- if (ret)
- goto out;
-
- if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
- clear_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
-
- ret = lbs_cmd_802_11_key_material(priv, CMD_ACT_SET, assoc_req);
- assoc_req->flags = flags;
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int assoc_helper_wpa_ie(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- if (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled) {
- memcpy(&priv->wpa_ie, &assoc_req->wpa_ie, assoc_req->wpa_ie_len);
- priv->wpa_ie_len = assoc_req->wpa_ie_len;
- } else {
- memset(&priv->wpa_ie, 0, MAX_WPA_IE_LEN);
- priv->wpa_ie_len = 0;
- }
-
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int should_deauth_infrastructure(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- int ret = 0;
-
- if (priv->connect_status != LBS_CONNECTED)
- return 0;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
- if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
- lbs_deb_assoc("Deauthenticating due to new SSID\n");
- ret = 1;
- goto out;
- }
-
- if (test_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags)) {
- if (priv->secinfo.auth_mode != assoc_req->secinfo.auth_mode) {
- lbs_deb_assoc("Deauthenticating due to new security\n");
- ret = 1;
- goto out;
- }
- }
-
- if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
- lbs_deb_assoc("Deauthenticating due to new BSSID\n");
- ret = 1;
- goto out;
- }
-
- if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
- lbs_deb_assoc("Deauthenticating due to channel switch\n");
- ret = 1;
- goto out;
- }
-
- /* FIXME: deal with 'auto' mode somehow */
- if (test_bit(ASSOC_FLAG_MODE, &assoc_req->flags)) {
- if (assoc_req->mode != IW_MODE_INFRA) {
- lbs_deb_assoc("Deauthenticating due to leaving "
- "infra mode\n");
- ret = 1;
- goto out;
- }
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-
-static int should_stop_adhoc(struct lbs_private *priv,
- struct assoc_request * assoc_req)
-{
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- if (priv->connect_status != LBS_CONNECTED)
- return 0;
-
- if (lbs_ssid_cmp(priv->curbssparams.ssid,
- priv->curbssparams.ssid_len,
- assoc_req->ssid, assoc_req->ssid_len) != 0)
- return 1;
-
- /* FIXME: deal with 'auto' mode somehow */
- if (test_bit(ASSOC_FLAG_MODE, &assoc_req->flags)) {
- if (assoc_req->mode != IW_MODE_ADHOC)
- return 1;
- }
-
- if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
- if (assoc_req->channel != priv->curbssparams.channel)
- return 1;
- }
-
- lbs_deb_leave(LBS_DEB_ASSOC);
- return 0;
-}
-
-
-/**
- * @brief This function finds the best SSID in the Scan List
- *
- * Search the scan table for the best SSID that also matches the current
- * adapter network preference (infrastructure or adhoc)
- *
- * @param priv A pointer to struct lbs_private
- *
- * @return index in BSSID list
- */
-static struct bss_descriptor *lbs_find_best_ssid_in_list(
- struct lbs_private *priv, uint8_t mode)
-{
- uint8_t bestrssi = 0;
- struct bss_descriptor *iter_bss;
- struct bss_descriptor *best_bss = NULL;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- mutex_lock(&priv->lock);
-
- list_for_each_entry(iter_bss, &priv->network_list, list) {
- switch (mode) {
- case IW_MODE_INFRA:
- case IW_MODE_ADHOC:
- if (!is_network_compatible(priv, iter_bss, mode))
- break;
- if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
- break;
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- best_bss = iter_bss;
- break;
- case IW_MODE_AUTO:
- default:
- if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
- break;
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- best_bss = iter_bss;
- break;
- }
- }
-
- mutex_unlock(&priv->lock);
- lbs_deb_leave_args(LBS_DEB_SCAN, "best_bss %p", best_bss);
- return best_bss;
-}
-
-/**
- * @brief Find the best AP
- *
- * Used from association worker.
- *
- * @param priv A pointer to struct lbs_private structure
- * @param pSSID A pointer to AP's ssid
- *
- * @return 0--success, otherwise--fail
- */
-static int lbs_find_best_network_ssid(struct lbs_private *priv,
- uint8_t *out_ssid, uint8_t *out_ssid_len, uint8_t preferred_mode,
- uint8_t *out_mode)
-{
- int ret = -1;
- struct bss_descriptor *found;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- priv->scan_ssid_len = 0;
- lbs_scan_networks(priv, 1);
- if (priv->surpriseremoved)
- goto out;
-
- found = lbs_find_best_ssid_in_list(priv, preferred_mode);
- if (found && (found->ssid_len > 0)) {
- memcpy(out_ssid, &found->ssid, IW_ESSID_MAX_SIZE);
- *out_ssid_len = found->ssid_len;
- *out_mode = found->mode;
- ret = 0;
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
- return ret;
-}
-
-
-void lbs_association_worker(struct work_struct *work)
-{
- struct lbs_private *priv = container_of(work, struct lbs_private,
- assoc_work.work);
- struct assoc_request * assoc_req = NULL;
- int ret = 0;
- int find_any_ssid = 0;
- DECLARE_MAC_BUF(mac);
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- mutex_lock(&priv->lock);
- assoc_req = priv->pending_assoc_req;
- priv->pending_assoc_req = NULL;
- priv->in_progress_assoc_req = assoc_req;
- mutex_unlock(&priv->lock);
-
- if (!assoc_req)
- goto done;
-
- lbs_deb_assoc(
- "Association Request:\n"
- " flags: 0x%08lx\n"
- " SSID: '%s'\n"
- " chann: %d\n"
- " band: %d\n"
- " mode: %d\n"
- " BSSID: %s\n"
- " secinfo: %s%s%s\n"
- " auth_mode: %d\n",
- assoc_req->flags,
- escape_essid(assoc_req->ssid, assoc_req->ssid_len),
- assoc_req->channel, assoc_req->band, assoc_req->mode,
- print_mac(mac, assoc_req->bssid),
- assoc_req->secinfo.WPAenabled ? " WPA" : "",
- assoc_req->secinfo.WPA2enabled ? " WPA2" : "",
- assoc_req->secinfo.wep_enabled ? " WEP" : "",
- assoc_req->secinfo.auth_mode);
-
- /* If 'any' SSID was specified, find an SSID to associate with */
- if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)
- && !assoc_req->ssid_len)
- find_any_ssid = 1;
-
- /* But don't use 'any' SSID if there's a valid locked BSSID to use */
- if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
- if (compare_ether_addr(assoc_req->bssid, bssid_any)
- && compare_ether_addr(assoc_req->bssid, bssid_off))
- find_any_ssid = 0;
- }
-
- if (find_any_ssid) {
- u8 new_mode = assoc_req->mode;
-
- ret = lbs_find_best_network_ssid(priv, assoc_req->ssid,
- &assoc_req->ssid_len, assoc_req->mode, &new_mode);
- if (ret) {
- lbs_deb_assoc("Could not find best network\n");
- ret = -ENETUNREACH;
- goto out;
- }
-
- /* Ensure we switch to the mode of the AP */
- if (assoc_req->mode == IW_MODE_AUTO) {
- set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
- assoc_req->mode = new_mode;
- }
- }
-
- /*
- * Check if the attributes being changing require deauthentication
- * from the currently associated infrastructure access point.
- */
- if (priv->mode == IW_MODE_INFRA) {
- if (should_deauth_infrastructure(priv, assoc_req)) {
- ret = lbs_send_deauthentication(priv);
- if (ret) {
- lbs_deb_assoc("Deauthentication due to new "
- "configuration request failed: %d\n",
- ret);
- }
- }
- } else if (priv->mode == IW_MODE_ADHOC) {
- if (should_stop_adhoc(priv, assoc_req)) {
- ret = lbs_stop_adhoc_network(priv);
- if (ret) {
- lbs_deb_assoc("Teardown of AdHoc network due to "
- "new configuration request failed: %d\n",
- ret);
- }
-
- }
- }
-
- /* Send the various configuration bits to the firmware */
- if (test_bit(ASSOC_FLAG_MODE, &assoc_req->flags)) {
- ret = assoc_helper_mode(priv, assoc_req);
- if (ret)
- goto out;
- }
-
- if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
- ret = assoc_helper_channel(priv, assoc_req);
- if (ret)
- goto out;
- }
-
- if ( test_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags)
- || test_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags)) {
- ret = assoc_helper_wep_keys(priv, assoc_req);
- if (ret)
- goto out;
- }
-
- if (test_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags)) {
- ret = assoc_helper_secinfo(priv, assoc_req);
- if (ret)
- goto out;
- }
-
- if (test_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags)) {
- ret = assoc_helper_wpa_ie(priv, assoc_req);
- if (ret)
- goto out;
- }
-
- if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)
- || test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
- ret = assoc_helper_wpa_keys(priv, assoc_req);
- if (ret)
- goto out;
- }
-
- /* SSID/BSSID should be the _last_ config option set, because they
- * trigger the association attempt.
- */
- if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)
- || test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
- int success = 1;
-
- ret = assoc_helper_associate(priv, assoc_req);
- if (ret) {
- lbs_deb_assoc("ASSOC: association unsuccessful: %d\n",
- ret);
- success = 0;
- }
-
- if (priv->connect_status != LBS_CONNECTED) {
- lbs_deb_assoc("ASSOC: association unsuccessful, "
- "not connected\n");
- success = 0;
- }
-
- if (success) {
- lbs_deb_assoc("associated to %s\n",
- print_mac(mac, priv->curbssparams.bssid));
- lbs_prepare_and_send_command(priv,
- CMD_802_11_RSSI,
- 0, CMD_OPTION_WAITFORRSP, 0, NULL);
- } else {
- ret = -1;
- }
- }
-
-out:
- if (ret) {
- lbs_deb_assoc("ASSOC: reconfiguration attempt unsuccessful: %d\n",
- ret);
- }
-
- mutex_lock(&priv->lock);
- priv->in_progress_assoc_req = NULL;
- mutex_unlock(&priv->lock);
- kfree(assoc_req);
-
-done:
- lbs_deb_leave(LBS_DEB_ASSOC);
-}
-
-
-/*
- * Caller MUST hold any necessary locks
- */
-struct assoc_request *lbs_get_association_request(struct lbs_private *priv)
-{
- struct assoc_request * assoc_req;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
- if (!priv->pending_assoc_req) {
- priv->pending_assoc_req = kzalloc(sizeof(struct assoc_request),
- GFP_KERNEL);
- if (!priv->pending_assoc_req) {
- lbs_pr_info("Not enough memory to allocate association"
- " request!\n");
- return NULL;
- }
- }
-
- /* Copy current configuration attributes to the association request,
- * but don't overwrite any that are already set.
- */
- assoc_req = priv->pending_assoc_req;
- if (!test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
- memcpy(&assoc_req->ssid, &priv->curbssparams.ssid,
- IW_ESSID_MAX_SIZE);
- assoc_req->ssid_len = priv->curbssparams.ssid_len;
- }
-
- if (!test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags))
- assoc_req->channel = priv->curbssparams.channel;
-
- if (!test_bit(ASSOC_FLAG_BAND, &assoc_req->flags))
- assoc_req->band = priv->curbssparams.band;
-
- if (!test_bit(ASSOC_FLAG_MODE, &assoc_req->flags))
- assoc_req->mode = priv->mode;
-
- if (!test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
- memcpy(&assoc_req->bssid, priv->curbssparams.bssid,
- ETH_ALEN);
- }
-
- if (!test_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags)) {
- int i;
- for (i = 0; i < 4; i++) {
- memcpy(&assoc_req->wep_keys[i], &priv->wep_keys[i],
- sizeof(struct enc_key));
- }
- }
-
- if (!test_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags))
- assoc_req->wep_tx_keyidx = priv->wep_tx_keyidx;
-
- if (!test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
- memcpy(&assoc_req->wpa_mcast_key, &priv->wpa_mcast_key,
- sizeof(struct enc_key));
- }
-
- if (!test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
- memcpy(&assoc_req->wpa_unicast_key, &priv->wpa_unicast_key,
- sizeof(struct enc_key));
- }
-
- if (!test_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags)) {
- memcpy(&assoc_req->secinfo, &priv->secinfo,
- sizeof(struct lbs_802_11_security));
- }
-
- if (!test_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags)) {
- memcpy(&assoc_req->wpa_ie, &priv->wpa_ie,
- MAX_WPA_IE_LEN);
- assoc_req->wpa_ie_len = priv->wpa_ie_len;
- }
-
- lbs_deb_leave(LBS_DEB_ASSOC);
- return assoc_req;
-}
-
-
-/**
- * @brief This function finds common rates between rate1 and card rates.
- *
- * It will fill common rates in rate1 as output if found.
- *
- * NOTE: Setting the MSB of the basic rates need to be taken
- * care, either before or after calling this function
- *
- * @param priv A pointer to struct lbs_private structure
- * @param rate1 the buffer which keeps input and output
- * @param rate1_size the size of rate1 buffer; new size of buffer on return
- *
- * @return 0 or -1
- */
-static int get_common_rates(struct lbs_private *priv,
- u8 *rates,
- u16 *rates_size)
-{
- u8 *card_rates = lbs_bg_rates;
- size_t num_card_rates = sizeof(lbs_bg_rates);
- int ret = 0, i, j;
- u8 tmp[30];
- size_t tmp_size = 0;
-
- /* For each rate in card_rates that exists in rate1, copy to tmp */
- for (i = 0; card_rates[i] && (i < num_card_rates); i++) {
- for (j = 0; rates[j] && (j < *rates_size); j++) {
- if (rates[j] == card_rates[i])
- tmp[tmp_size++] = card_rates[i];
- }
- }
-
- lbs_deb_hex(LBS_DEB_JOIN, "AP rates ", rates, *rates_size);
- lbs_deb_hex(LBS_DEB_JOIN, "card rates ", card_rates, num_card_rates);
- lbs_deb_hex(LBS_DEB_JOIN, "common rates", tmp, tmp_size);
- lbs_deb_join("TX data rate 0x%02x\n", priv->cur_rate);
-
- if (!priv->auto_rate) {
- for (i = 0; i < tmp_size; i++) {
- if (tmp[i] == priv->cur_rate)
- goto done;
- }
- lbs_pr_alert("Previously set fixed data rate %#x isn't "
- "compatible with the network.\n", priv->cur_rate);
- ret = -1;
- goto done;
- }
- ret = 0;
-
-done:
- memset(rates, 0, *rates_size);
- *rates_size = min_t(int, tmp_size, *rates_size);
- memcpy(rates, tmp, *rates_size);
- return ret;
-}
-
-
-/**
- * @brief Sets the MSB on basic rates as the firmware requires
- *
- * Scan through an array and set the MSB for basic data rates.
- *
- * @param rates buffer of data rates
- * @param len size of buffer
- */
-static void lbs_set_basic_rate_flags(u8 *rates, size_t len)
-{
- int i;
-
- for (i = 0; i < len; i++) {
- if (rates[i] == 0x02 || rates[i] == 0x04 ||
- rates[i] == 0x0b || rates[i] == 0x16)
- rates[i] |= 0x80;
- }
-}
-
-/**
- * @brief Send Deauthentication Request
- *
- * @param priv A pointer to struct lbs_private structure
- * @return 0--success, -1--fail
- */
-int lbs_send_deauthentication(struct lbs_private *priv)
-{
- return lbs_prepare_and_send_command(priv, CMD_802_11_DEAUTHENTICATE,
- 0, CMD_OPTION_WAITFORRSP, 0, NULL);
-}
-
-/**
- * @brief This function prepares command of authenticate.
- *
- * @param priv A pointer to struct lbs_private structure
- * @param cmd A pointer to cmd_ds_command structure
- * @param pdata_buf Void cast of pointer to a BSSID to authenticate with
- *
- * @return 0 or -1
- */
-int lbs_cmd_80211_authenticate(struct lbs_private *priv,
- struct cmd_ds_command *cmd,
- void *pdata_buf)
-{
- struct cmd_ds_802_11_authenticate *pauthenticate = &cmd->params.auth;
- int ret = -1;
- u8 *bssid = pdata_buf;
- DECLARE_MAC_BUF(mac);
-
- lbs_deb_enter(LBS_DEB_JOIN);
-
- cmd->command = cpu_to_le16(CMD_802_11_AUTHENTICATE);
- cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_authenticate)
- + S_DS_GEN);
-
- /* translate auth mode to 802.11 defined wire value */
- switch (priv->secinfo.auth_mode) {
- case IW_AUTH_ALG_OPEN_SYSTEM:
- pauthenticate->authtype = 0x00;
- break;
- case IW_AUTH_ALG_SHARED_KEY:
- pauthenticate->authtype = 0x01;
- break;
- case IW_AUTH_ALG_LEAP:
- pauthenticate->authtype = 0x80;
- break;
- default:
- lbs_deb_join("AUTH_CMD: invalid auth alg 0x%X\n",
- priv->secinfo.auth_mode);
- goto out;
- }
-
- memcpy(pauthenticate->macaddr, bssid, ETH_ALEN);
-
- lbs_deb_join("AUTH_CMD: BSSID %s, auth 0x%x\n",
- print_mac(mac, bssid), pauthenticate->authtype);
- ret = 0;
-
-out:
- lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
- return ret;
-}
-
-int lbs_cmd_80211_deauthenticate(struct lbs_private *priv,
- struct cmd_ds_command *cmd)
-{
- struct cmd_ds_802_11_deauthenticate *dauth = &cmd->params.deauth;
-
- lbs_deb_enter(LBS_DEB_JOIN);
-
- cmd->command = cpu_to_le16(CMD_802_11_DEAUTHENTICATE);
- cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_deauthenticate) +
- S_DS_GEN);
-
- /* set AP MAC address */
- memmove(dauth->macaddr, priv->curbssparams.bssid, ETH_ALEN);
-
- /* Reason code 3 = Station is leaving */
-#define REASON_CODE_STA_LEAVING 3
- dauth->reasoncode = cpu_to_le16(REASON_CODE_STA_LEAVING);
-
- lbs_deb_leave(LBS_DEB_JOIN);
- return 0;
-}
-
-int lbs_cmd_80211_associate(struct lbs_private *priv,
- struct cmd_ds_command *cmd, void *pdata_buf)
-{
- struct cmd_ds_802_11_associate *passo = &cmd->params.associate;
- int ret = 0;
- struct assoc_request *assoc_req = pdata_buf;
- struct bss_descriptor *bss = &assoc_req->bss;
- u8 *pos;
- u16 tmpcap, tmplen;
- struct mrvlietypes_ssidparamset *ssid;
- struct mrvlietypes_phyparamset *phy;
- struct mrvlietypes_ssparamset *ss;
- struct mrvlietypes_ratesparamset *rates;
- struct mrvlietypes_rsnparamset *rsn;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- pos = (u8 *) passo;
-
- if (!priv) {
- ret = -1;
- goto done;
- }
-
- cmd->command = cpu_to_le16(CMD_802_11_ASSOCIATE);
-
- memcpy(passo->peerstaaddr, bss->bssid, sizeof(passo->peerstaaddr));
- pos += sizeof(passo->peerstaaddr);
-
- /* set the listen interval */
- passo->listeninterval = cpu_to_le16(MRVDRV_DEFAULT_LISTEN_INTERVAL);
-
- pos += sizeof(passo->capability);
- pos += sizeof(passo->listeninterval);
- pos += sizeof(passo->bcnperiod);
- pos += sizeof(passo->dtimperiod);
-
- ssid = (struct mrvlietypes_ssidparamset *) pos;
- ssid->header.type = cpu_to_le16(TLV_TYPE_SSID);
- tmplen = bss->ssid_len;
- ssid->header.len = cpu_to_le16(tmplen);
- memcpy(ssid->ssid, bss->ssid, tmplen);
- pos += sizeof(ssid->header) + tmplen;
-
- phy = (struct mrvlietypes_phyparamset *) pos;
- phy->header.type = cpu_to_le16(TLV_TYPE_PHY_DS);
- tmplen = sizeof(phy->fh_ds.dsparamset);
- phy->header.len = cpu_to_le16(tmplen);
- memcpy(&phy->fh_ds.dsparamset,
- &bss->phyparamset.dsparamset.currentchan,
- tmplen);
- pos += sizeof(phy->header) + tmplen;
-
- ss = (struct mrvlietypes_ssparamset *) pos;
- ss->header.type = cpu_to_le16(TLV_TYPE_CF);
- tmplen = sizeof(ss->cf_ibss.cfparamset);
- ss->header.len = cpu_to_le16(tmplen);
- pos += sizeof(ss->header) + tmplen;
-
- rates = (struct mrvlietypes_ratesparamset *) pos;
- rates->header.type = cpu_to_le16(TLV_TYPE_RATES);
- memcpy(&rates->rates, &bss->rates, MAX_RATES);
- tmplen = MAX_RATES;
- if (get_common_rates(priv, rates->rates, &tmplen)) {
- ret = -1;
- goto done;
- }
- pos += sizeof(rates->header) + tmplen;
- rates->header.len = cpu_to_le16(tmplen);
- lbs_deb_assoc("ASSOC_CMD: num rates %u\n", tmplen);
-
- /* Copy the infra. association rates into Current BSS state structure */
- memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
- memcpy(&priv->curbssparams.rates, &rates->rates, tmplen);
-
- /* Set MSB on basic rates as the firmware requires, but _after_
- * copying to current bss rates.
- */
- lbs_set_basic_rate_flags(rates->rates, tmplen);
-
- if (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled) {
- rsn = (struct mrvlietypes_rsnparamset *) pos;
- /* WPA_IE or WPA2_IE */
- rsn->header.type = cpu_to_le16((u16) assoc_req->wpa_ie[0]);
- tmplen = (u16) assoc_req->wpa_ie[1];
- rsn->header.len = cpu_to_le16(tmplen);
- memcpy(rsn->rsnie, &assoc_req->wpa_ie[2], tmplen);
- lbs_deb_hex(LBS_DEB_JOIN, "ASSOC_CMD: RSN IE", (u8 *) rsn,
- sizeof(rsn->header) + tmplen);
- pos += sizeof(rsn->header) + tmplen;
- }
-
- /* update curbssparams */
- priv->curbssparams.channel = bss->phyparamset.dsparamset.currentchan;
-
- if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
- ret = -1;
- goto done;
- }
-
- cmd->size = cpu_to_le16((u16) (pos - (u8 *) passo) + S_DS_GEN);
-
- /* set the capability info */
- tmpcap = (bss->capability & CAPINFO_MASK);
- if (bss->mode == IW_MODE_INFRA)
- tmpcap |= WLAN_CAPABILITY_ESS;
- passo->capability = cpu_to_le16(tmpcap);
- lbs_deb_assoc("ASSOC_CMD: capability 0x%04x\n", tmpcap);
-
-done:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-int lbs_cmd_80211_ad_hoc_start(struct lbs_private *priv,
- struct cmd_ds_command *cmd, void *pdata_buf)
-{
- struct cmd_ds_802_11_ad_hoc_start *adhs = &cmd->params.ads;
- int ret = 0;
- int cmdappendsize = 0;
- struct assoc_request *assoc_req = pdata_buf;
- u16 tmpcap = 0;
- size_t ratesize = 0;
-
- lbs_deb_enter(LBS_DEB_JOIN);
-
- if (!priv) {
- ret = -1;
- goto done;
- }
-
- cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_START);
-
- /*
- * Fill in the parameters for 2 data structures:
- * 1. cmd_ds_802_11_ad_hoc_start command
- * 2. priv->scantable[i]
- *
- * Driver will fill up SSID, bsstype,IBSS param, Physical Param,
- * probe delay, and cap info.
- *
- * Firmware will fill up beacon period, DTIM, Basic rates
- * and operational rates.
- */
-
- memset(adhs->ssid, 0, IW_ESSID_MAX_SIZE);
- memcpy(adhs->ssid, assoc_req->ssid, assoc_req->ssid_len);
-
- lbs_deb_join("ADHOC_S_CMD: SSID '%s', ssid length %u\n",
- escape_essid(assoc_req->ssid, assoc_req->ssid_len),
- assoc_req->ssid_len);
-
- /* set the BSS type */
- adhs->bsstype = CMD_BSS_TYPE_IBSS;
- priv->mode = IW_MODE_ADHOC;
- if (priv->beacon_period == 0)
- priv->beacon_period = MRVDRV_BEACON_INTERVAL;
- adhs->beaconperiod = cpu_to_le16(priv->beacon_period);
-
- /* set Physical param set */
-#define DS_PARA_IE_ID 3
-#define DS_PARA_IE_LEN 1
-
- adhs->phyparamset.dsparamset.elementid = DS_PARA_IE_ID;
- adhs->phyparamset.dsparamset.len = DS_PARA_IE_LEN;
-
- WARN_ON(!assoc_req->channel);
-
- lbs_deb_join("ADHOC_S_CMD: Creating ADHOC on channel %d\n",
- assoc_req->channel);
-
- adhs->phyparamset.dsparamset.currentchan = assoc_req->channel;
-
- /* set IBSS param set */
-#define IBSS_PARA_IE_ID 6
-#define IBSS_PARA_IE_LEN 2
-
- adhs->ssparamset.ibssparamset.elementid = IBSS_PARA_IE_ID;
- adhs->ssparamset.ibssparamset.len = IBSS_PARA_IE_LEN;
- adhs->ssparamset.ibssparamset.atimwindow = 0;
-
- /* set capability info */
- tmpcap = WLAN_CAPABILITY_IBSS;
- if (assoc_req->secinfo.wep_enabled) {
- lbs_deb_join("ADHOC_S_CMD: WEP enabled, "
- "setting privacy on\n");
- tmpcap |= WLAN_CAPABILITY_PRIVACY;
- } else {
- lbs_deb_join("ADHOC_S_CMD: WEP disabled, "
- "setting privacy off\n");
- }
- adhs->capability = cpu_to_le16(tmpcap);
-
- /* probedelay */
- adhs->probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
-
- memset(adhs->rates, 0, sizeof(adhs->rates));
- ratesize = min(sizeof(adhs->rates), sizeof(lbs_bg_rates));
- memcpy(adhs->rates, lbs_bg_rates, ratesize);
-
- /* Copy the ad-hoc creating rates into Current BSS state structure */
- memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
- memcpy(&priv->curbssparams.rates, &adhs->rates, ratesize);
-
- /* Set MSB on basic rates as the firmware requires, but _after_
- * copying to current bss rates.
- */
- lbs_set_basic_rate_flags(adhs->rates, ratesize);
-
- lbs_deb_join("ADHOC_S_CMD: rates=%02x %02x %02x %02x \n",
- adhs->rates[0], adhs->rates[1], adhs->rates[2], adhs->rates[3]);
-
- lbs_deb_join("ADHOC_S_CMD: AD HOC Start command is ready\n");
-
- if (lbs_create_dnld_countryinfo_11d(priv)) {
- lbs_deb_join("ADHOC_S_CMD: dnld_countryinfo_11d failed\n");
- ret = -1;
- goto done;
- }
-
- cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_start) +
- S_DS_GEN + cmdappendsize);
-
- ret = 0;
-done:
- lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
- return ret;
-}
-
-int lbs_cmd_80211_ad_hoc_stop(struct cmd_ds_command *cmd)
-{
- cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_STOP);
- cmd->size = cpu_to_le16(S_DS_GEN);
-
- return 0;
-}
-
-int lbs_cmd_80211_ad_hoc_join(struct lbs_private *priv,
- struct cmd_ds_command *cmd, void *pdata_buf)
-{
- struct cmd_ds_802_11_ad_hoc_join *join_cmd = &cmd->params.adj;
- struct assoc_request *assoc_req = pdata_buf;
- struct bss_descriptor *bss = &assoc_req->bss;
- int cmdappendsize = 0;
- int ret = 0;
- u16 ratesize = 0;
- DECLARE_MAC_BUF(mac);
-
- lbs_deb_enter(LBS_DEB_JOIN);
-
- cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_JOIN);
-
- join_cmd->bss.type = CMD_BSS_TYPE_IBSS;
- join_cmd->bss.beaconperiod = cpu_to_le16(bss->beaconperiod);
-
- memcpy(&join_cmd->bss.bssid, &bss->bssid, ETH_ALEN);
- memcpy(&join_cmd->bss.ssid, &bss->ssid, bss->ssid_len);
-
- memcpy(&join_cmd->bss.phyparamset, &bss->phyparamset,
- sizeof(union ieeetypes_phyparamset));
-
- memcpy(&join_cmd->bss.ssparamset, &bss->ssparamset,
- sizeof(union IEEEtypes_ssparamset));
-
- join_cmd->bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK);
- lbs_deb_join("ADHOC_J_CMD: tmpcap=%4X CAPINFO_MASK=%4X\n",
- bss->capability, CAPINFO_MASK);
-
- /* information on BSSID descriptor passed to FW */
- lbs_deb_join(
- "ADHOC_J_CMD: BSSID = %s, SSID = '%s'\n",
- print_mac(mac, join_cmd->bss.bssid),
- join_cmd->bss.ssid);
-
- /* failtimeout */
- join_cmd->failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
-
- /* probedelay */
- join_cmd->probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
-
- priv->curbssparams.channel = bss->channel;
-
- /* Copy Data rates from the rates recorded in scan response */
- memset(join_cmd->bss.rates, 0, sizeof(join_cmd->bss.rates));
- ratesize = min_t(u16, sizeof(join_cmd->bss.rates), MAX_RATES);
- memcpy(join_cmd->bss.rates, bss->rates, ratesize);
- if (get_common_rates(priv, join_cmd->bss.rates, &ratesize)) {
- lbs_deb_join("ADHOC_J_CMD: get_common_rates returns error.\n");
- ret = -1;
- goto done;
- }
-
- /* Copy the ad-hoc creating rates into Current BSS state structure */
- memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
- memcpy(&priv->curbssparams.rates, join_cmd->bss.rates, ratesize);
-
- /* Set MSB on basic rates as the firmware requires, but _after_
- * copying to current bss rates.
- */
- lbs_set_basic_rate_flags(join_cmd->bss.rates, ratesize);
-
- join_cmd->bss.ssparamset.ibssparamset.atimwindow =
- cpu_to_le16(bss->atimwindow);
-
- if (assoc_req->secinfo.wep_enabled) {
- u16 tmp = le16_to_cpu(join_cmd->bss.capability);
- tmp |= WLAN_CAPABILITY_PRIVACY;
- join_cmd->bss.capability = cpu_to_le16(tmp);
- }
-
- if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
- /* wake up first */
- __le32 Localpsmode;
-
- Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
- ret = lbs_prepare_and_send_command(priv,
- CMD_802_11_PS_MODE,
- CMD_ACT_SET,
- 0, 0, &Localpsmode);
-
- if (ret) {
- ret = -1;
- goto done;
- }
- }
-
- if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
- ret = -1;
- goto done;
- }
-
- cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_join) +
- S_DS_GEN + cmdappendsize);
-
-done:
- lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
- return ret;
-}
-
-int lbs_ret_80211_associate(struct lbs_private *priv,
- struct cmd_ds_command *resp)
-{
- int ret = 0;
- union iwreq_data wrqu;
- struct ieeetypes_assocrsp *passocrsp;
- struct bss_descriptor *bss;
- u16 status_code;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- if (!priv->in_progress_assoc_req) {
- lbs_deb_assoc("ASSOC_RESP: no in-progress assoc request\n");
- ret = -1;
- goto done;
- }
- bss = &priv->in_progress_assoc_req->bss;
-
- passocrsp = (struct ieeetypes_assocrsp *) &resp->params;
-
- /*
- * Older FW versions map the IEEE 802.11 Status Code in the association
- * response to the following values returned in passocrsp->statuscode:
- *
- * IEEE Status Code Marvell Status Code
- * 0 -> 0x0000 ASSOC_RESULT_SUCCESS
- * 13 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
- * 14 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
- * 15 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
- * 16 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
- * others -> 0x0003 ASSOC_RESULT_REFUSED
- *
- * Other response codes:
- * 0x0001 -> ASSOC_RESULT_INVALID_PARAMETERS (unused)
- * 0x0002 -> ASSOC_RESULT_TIMEOUT (internal timer expired waiting for
- * association response from the AP)
- */
-
- status_code = le16_to_cpu(passocrsp->statuscode);
- switch (status_code) {
- case 0x00:
- break;
- case 0x01:
- lbs_deb_assoc("ASSOC_RESP: invalid parameters\n");
- break;
- case 0x02:
- lbs_deb_assoc("ASSOC_RESP: internal timer "
- "expired while waiting for the AP\n");
- break;
- case 0x03:
- lbs_deb_assoc("ASSOC_RESP: association "
- "refused by AP\n");
- break;
- case 0x04:
- lbs_deb_assoc("ASSOC_RESP: authentication "
- "refused by AP\n");
- break;
- default:
- lbs_deb_assoc("ASSOC_RESP: failure reason 0x%02x "
- " unknown\n", status_code);
- break;
- }
-
- if (status_code) {
- lbs_mac_event_disconnected(priv);
- ret = -1;
- goto done;
- }
-
- lbs_deb_hex(LBS_DEB_ASSOC, "ASSOC_RESP", (void *)&resp->params,
- le16_to_cpu(resp->size) - S_DS_GEN);
-
- /* Send a Media Connected event, according to the Spec */
- priv->connect_status = LBS_CONNECTED;
-
- /* Update current SSID and BSSID */
- memcpy(&priv->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
- priv->curbssparams.ssid_len = bss->ssid_len;
- memcpy(priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
-
- priv->SNR[TYPE_RXPD][TYPE_AVG] = 0;
- priv->NF[TYPE_RXPD][TYPE_AVG] = 0;
-
- memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
- memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
- priv->nextSNRNF = 0;
- priv->numSNRNF = 0;
-
- netif_carrier_on(priv->dev);
- if (!priv->tx_pending_len)
- netif_wake_queue(priv->dev);
-
- memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
-
-done:
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-int lbs_ret_80211_disassociate(struct lbs_private *priv)
-{
- lbs_deb_enter(LBS_DEB_JOIN);
-
- lbs_mac_event_disconnected(priv);
-
- lbs_deb_leave(LBS_DEB_JOIN);
- return 0;
-}
-
-int lbs_ret_80211_ad_hoc_start(struct lbs_private *priv,
- struct cmd_ds_command *resp)
-{
- int ret = 0;
- u16 command = le16_to_cpu(resp->command);
- u16 result = le16_to_cpu(resp->result);
- struct cmd_ds_802_11_ad_hoc_result *padhocresult;
- union iwreq_data wrqu;
- struct bss_descriptor *bss;
- DECLARE_MAC_BUF(mac);
-
- lbs_deb_enter(LBS_DEB_JOIN);
-
- padhocresult = &resp->params.result;
-
- lbs_deb_join("ADHOC_RESP: size = %d\n", le16_to_cpu(resp->size));
- lbs_deb_join("ADHOC_RESP: command = %x\n", command);
- lbs_deb_join("ADHOC_RESP: result = %x\n", result);
-
- if (!priv->in_progress_assoc_req) {
- lbs_deb_join("ADHOC_RESP: no in-progress association "
- "request\n");
- ret = -1;
- goto done;
- }
- bss = &priv->in_progress_assoc_req->bss;
-
- /*
- * Join result code 0 --> SUCCESS
- */
- if (result) {
- lbs_deb_join("ADHOC_RESP: failed\n");
- if (priv->connect_status == LBS_CONNECTED)
- lbs_mac_event_disconnected(priv);
- ret = -1;
- goto done;
- }
-
- /*
- * Now the join cmd should be successful
- * If BSSID has changed use SSID to compare instead of BSSID
- */
- lbs_deb_join("ADHOC_RESP: associated to '%s'\n",
- escape_essid(bss->ssid, bss->ssid_len));
-
- /* Send a Media Connected event, according to the Spec */
- priv->connect_status = LBS_CONNECTED;
-
- if (command == CMD_RET(CMD_802_11_AD_HOC_START)) {
- /* Update the created network descriptor with the new BSSID */
- memcpy(bss->bssid, padhocresult->bssid, ETH_ALEN);
- }
-
- /* Set the BSSID from the joined/started descriptor */
- memcpy(&priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
-
- /* Set the new SSID to current SSID */
- memcpy(&priv->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
- priv->curbssparams.ssid_len = bss->ssid_len;
-
- netif_carrier_on(priv->dev);
- if (!priv->tx_pending_len)
- netif_wake_queue(priv->dev);
-
- memset(&wrqu, 0, sizeof(wrqu));
- memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN);
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
-
- lbs_deb_join("ADHOC_RESP: - Joined/Started Ad Hoc\n");
- lbs_deb_join("ADHOC_RESP: channel = %d\n", priv->curbssparams.channel);
- lbs_deb_join("ADHOC_RESP: BSSID = %s\n",
- print_mac(mac, padhocresult->bssid));
-
-done:
- lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
- return ret;
-}
-
-int lbs_ret_80211_ad_hoc_stop(struct lbs_private *priv)
-{
- lbs_deb_enter(LBS_DEB_JOIN);
-
- lbs_mac_event_disconnected(priv);
-
- lbs_deb_leave(LBS_DEB_JOIN);
- return 0;
-}
projects / openwrt / openwrt.git / blobdiff