aboutsummaryrefslogtreecommitdiffstats
path: root/net/mac80211/mlme.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c74
1 files changed, 41 insertions, 33 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 4adba09e80ca..4d2b582dd055 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -44,7 +44,7 @@
44#define IEEE80211_RETRY_AUTH_INTERVAL (1 * HZ) 44#define IEEE80211_RETRY_AUTH_INTERVAL (1 * HZ)
45#define IEEE80211_SCAN_INTERVAL (2 * HZ) 45#define IEEE80211_SCAN_INTERVAL (2 * HZ)
46#define IEEE80211_SCAN_INTERVAL_SLOW (15 * HZ) 46#define IEEE80211_SCAN_INTERVAL_SLOW (15 * HZ)
47#define IEEE80211_IBSS_JOIN_TIMEOUT (20 * HZ) 47#define IEEE80211_IBSS_JOIN_TIMEOUT (7 * HZ)
48 48
49#define IEEE80211_PROBE_DELAY (HZ / 33) 49#define IEEE80211_PROBE_DELAY (HZ / 33)
50#define IEEE80211_CHANNEL_TIME (HZ / 33) 50#define IEEE80211_CHANNEL_TIME (HZ / 33)
@@ -730,7 +730,17 @@ static void ieee80211_send_assoc(struct net_device *dev,
730 if (bss->wmm_ie) { 730 if (bss->wmm_ie) {
731 wmm = 1; 731 wmm = 1;
732 } 732 }
733
734 /* get all rates supported by the device and the AP as
735 * some APs don't like getting a superset of their rates
736 * in the association request (e.g. D-Link DAP 1353 in
737 * b-only mode) */
738 rates_len = ieee80211_compatible_rates(bss, sband, &rates);
739
733 ieee80211_rx_bss_put(dev, bss); 740 ieee80211_rx_bss_put(dev, bss);
741 } else {
742 rates = ~0;
743 rates_len = sband->n_bitrates;
734 } 744 }
735 745
736 mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24); 746 mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
@@ -761,10 +771,7 @@ static void ieee80211_send_assoc(struct net_device *dev,
761 *pos++ = ifsta->ssid_len; 771 *pos++ = ifsta->ssid_len;
762 memcpy(pos, ifsta->ssid, ifsta->ssid_len); 772 memcpy(pos, ifsta->ssid, ifsta->ssid_len);
763 773
764 /* all supported rates should be added here but some APs 774 /* add all rates which were marked to be used above */
765 * (e.g. D-Link DAP 1353 in b-only mode) don't like that
766 * Therefore only add rates the AP supports */
767 rates_len = ieee80211_compatible_rates(bss, sband, &rates);
768 supp_rates_len = rates_len; 775 supp_rates_len = rates_len;
769 if (supp_rates_len > 8) 776 if (supp_rates_len > 8)
770 supp_rates_len = 8; 777 supp_rates_len = 8;
@@ -1318,7 +1325,7 @@ static void ieee80211_sta_process_addba_request(struct net_device *dev,
1318 1325
1319 /* prepare reordering buffer */ 1326 /* prepare reordering buffer */
1320 tid_agg_rx->reorder_buf = 1327 tid_agg_rx->reorder_buf =
1321 kmalloc(buf_size * sizeof(struct sk_buf *), GFP_ATOMIC); 1328 kmalloc(buf_size * sizeof(struct sk_buff *), GFP_ATOMIC);
1322 if (!tid_agg_rx->reorder_buf) { 1329 if (!tid_agg_rx->reorder_buf) {
1323 if (net_ratelimit()) 1330 if (net_ratelimit())
1324 printk(KERN_ERR "can not allocate reordering buffer " 1331 printk(KERN_ERR "can not allocate reordering buffer "
@@ -1327,7 +1334,7 @@ static void ieee80211_sta_process_addba_request(struct net_device *dev,
1327 goto end; 1334 goto end;
1328 } 1335 }
1329 memset(tid_agg_rx->reorder_buf, 0, 1336 memset(tid_agg_rx->reorder_buf, 0,
1330 buf_size * sizeof(struct sk_buf *)); 1337 buf_size * sizeof(struct sk_buff *));
1331 1338
1332 if (local->ops->ampdu_action) 1339 if (local->ops->ampdu_action)
1333 ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_START, 1340 ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_START,
@@ -1607,7 +1614,7 @@ void sta_addba_resp_timer_expired(unsigned long data)
1607 * only one argument, and both sta_info and TID are needed, so init 1614 * only one argument, and both sta_info and TID are needed, so init
1608 * flow in sta_info_create gives the TID as data, while the timer_to_id 1615 * flow in sta_info_create gives the TID as data, while the timer_to_id
1609 * array gives the sta through container_of */ 1616 * array gives the sta through container_of */
1610 u16 tid = *(int *)data; 1617 u16 tid = *(u8 *)data;
1611 struct sta_info *temp_sta = container_of((void *)data, 1618 struct sta_info *temp_sta = container_of((void *)data,
1612 struct sta_info, timer_to_tid[tid]); 1619 struct sta_info, timer_to_tid[tid]);
1613 1620
@@ -1655,7 +1662,7 @@ timer_expired_exit:
1655void sta_rx_agg_session_timer_expired(unsigned long data) 1662void sta_rx_agg_session_timer_expired(unsigned long data)
1656{ 1663{
1657 /* not an elegant detour, but there is no choice as the timer passes 1664 /* not an elegant detour, but there is no choice as the timer passes
1658 * only one argument, and verious sta_info are needed here, so init 1665 * only one argument, and various sta_info are needed here, so init
1659 * flow in sta_info_create gives the TID as data, while the timer_to_id 1666 * flow in sta_info_create gives the TID as data, while the timer_to_id
1660 * array gives the sta through container_of */ 1667 * array gives the sta through container_of */
1661 u8 *ptid = (u8 *)data; 1668 u8 *ptid = (u8 *)data;
@@ -2329,6 +2336,7 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
2329 u8 *pos; 2336 u8 *pos;
2330 struct ieee80211_sub_if_data *sdata; 2337 struct ieee80211_sub_if_data *sdata;
2331 struct ieee80211_supported_band *sband; 2338 struct ieee80211_supported_band *sband;
2339 union iwreq_data wrqu;
2332 2340
2333 sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; 2341 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
2334 2342
@@ -2351,13 +2359,10 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
2351 sdata->drop_unencrypted = bss->capability & 2359 sdata->drop_unencrypted = bss->capability &
2352 WLAN_CAPABILITY_PRIVACY ? 1 : 0; 2360 WLAN_CAPABILITY_PRIVACY ? 1 : 0;
2353 2361
2354 res = ieee80211_set_freq(local, bss->freq); 2362 res = ieee80211_set_freq(dev, bss->freq);
2355 2363
2356 if (local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS) { 2364 if (res)
2357 printk(KERN_DEBUG "%s: IBSS not allowed on frequency " 2365 return res;
2358 "%d MHz\n", dev->name, local->oper_channel->center_freq);
2359 return -1;
2360 }
2361 2366
2362 /* Set beacon template */ 2367 /* Set beacon template */
2363 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400); 2368 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
@@ -2472,7 +2477,9 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
2472 ifsta->state = IEEE80211_IBSS_JOINED; 2477 ifsta->state = IEEE80211_IBSS_JOINED;
2473 mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL); 2478 mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
2474 2479
2475 ieee80211_rx_bss_put(dev, bss); 2480 memset(&wrqu, 0, sizeof(wrqu));
2481 memcpy(wrqu.ap_addr.sa_data, bss->bssid, ETH_ALEN);
2482 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
2476 2483
2477 return res; 2484 return res;
2478} 2485}
@@ -3446,21 +3453,17 @@ static int ieee80211_sta_config_auth(struct net_device *dev,
3446 struct ieee80211_sta_bss *bss, *selected = NULL; 3453 struct ieee80211_sta_bss *bss, *selected = NULL;
3447 int top_rssi = 0, freq; 3454 int top_rssi = 0, freq;
3448 3455
3449 if (!(ifsta->flags & (IEEE80211_STA_AUTO_SSID_SEL |
3450 IEEE80211_STA_AUTO_BSSID_SEL | IEEE80211_STA_AUTO_CHANNEL_SEL))) {
3451 ifsta->state = IEEE80211_AUTHENTICATE;
3452 ieee80211_sta_reset_auth(dev, ifsta);
3453 return 0;
3454 }
3455
3456 spin_lock_bh(&local->sta_bss_lock); 3456 spin_lock_bh(&local->sta_bss_lock);
3457 freq = local->oper_channel->center_freq; 3457 freq = local->oper_channel->center_freq;
3458 list_for_each_entry(bss, &local->sta_bss_list, list) { 3458 list_for_each_entry(bss, &local->sta_bss_list, list) {
3459 if (!(bss->capability & WLAN_CAPABILITY_ESS)) 3459 if (!(bss->capability & WLAN_CAPABILITY_ESS))
3460 continue; 3460 continue;
3461 3461
3462 if (!!(bss->capability & WLAN_CAPABILITY_PRIVACY) ^ 3462 if ((ifsta->flags & (IEEE80211_STA_AUTO_SSID_SEL |
3463 !!sdata->default_key) 3463 IEEE80211_STA_AUTO_BSSID_SEL |
3464 IEEE80211_STA_AUTO_CHANNEL_SEL)) &&
3465 (!!(bss->capability & WLAN_CAPABILITY_PRIVACY) ^
3466 !!sdata->default_key))
3464 continue; 3467 continue;
3465 3468
3466 if (!(ifsta->flags & IEEE80211_STA_AUTO_CHANNEL_SEL) && 3469 if (!(ifsta->flags & IEEE80211_STA_AUTO_CHANNEL_SEL) &&
@@ -3485,7 +3488,7 @@ static int ieee80211_sta_config_auth(struct net_device *dev,
3485 spin_unlock_bh(&local->sta_bss_lock); 3488 spin_unlock_bh(&local->sta_bss_lock);
3486 3489
3487 if (selected) { 3490 if (selected) {
3488 ieee80211_set_freq(local, selected->freq); 3491 ieee80211_set_freq(dev, selected->freq);
3489 if (!(ifsta->flags & IEEE80211_STA_SSID_SET)) 3492 if (!(ifsta->flags & IEEE80211_STA_SSID_SET))
3490 ieee80211_sta_set_ssid(dev, selected->ssid, 3493 ieee80211_sta_set_ssid(dev, selected->ssid,
3491 selected->ssid_len); 3494 selected->ssid_len);
@@ -3520,6 +3523,7 @@ static int ieee80211_sta_create_ibss(struct net_device *dev,
3520 struct ieee80211_supported_band *sband; 3523 struct ieee80211_supported_band *sband;
3521 u8 bssid[ETH_ALEN], *pos; 3524 u8 bssid[ETH_ALEN], *pos;
3522 int i; 3525 int i;
3526 int ret;
3523 DECLARE_MAC_BUF(mac); 3527 DECLARE_MAC_BUF(mac);
3524 3528
3525#if 0 3529#if 0
@@ -3564,7 +3568,9 @@ static int ieee80211_sta_create_ibss(struct net_device *dev,
3564 *pos++ = (u8) (rate / 5); 3568 *pos++ = (u8) (rate / 5);
3565 } 3569 }
3566 3570
3567 return ieee80211_sta_join_ibss(dev, ifsta, bss); 3571 ret = ieee80211_sta_join_ibss(dev, ifsta, bss);
3572 ieee80211_rx_bss_put(dev, bss);
3573 return ret;
3568} 3574}
3569 3575
3570 3576
@@ -3612,10 +3618,13 @@ static int ieee80211_sta_find_ibss(struct net_device *dev,
3612 (bss = ieee80211_rx_bss_get(dev, bssid, 3618 (bss = ieee80211_rx_bss_get(dev, bssid,
3613 local->hw.conf.channel->center_freq, 3619 local->hw.conf.channel->center_freq,
3614 ifsta->ssid, ifsta->ssid_len))) { 3620 ifsta->ssid, ifsta->ssid_len))) {
3621 int ret;
3615 printk(KERN_DEBUG "%s: Selected IBSS BSSID %s" 3622 printk(KERN_DEBUG "%s: Selected IBSS BSSID %s"
3616 " based on configured SSID\n", 3623 " based on configured SSID\n",
3617 dev->name, print_mac(mac, bssid)); 3624 dev->name, print_mac(mac, bssid));
3618 return ieee80211_sta_join_ibss(dev, ifsta, bss); 3625 ret = ieee80211_sta_join_ibss(dev, ifsta, bss);
3626 ieee80211_rx_bss_put(dev, bss);
3627 return ret;
3619 } 3628 }
3620#ifdef CONFIG_MAC80211_IBSS_DEBUG 3629#ifdef CONFIG_MAC80211_IBSS_DEBUG
3621 printk(KERN_DEBUG " did not try to join ibss\n"); 3630 printk(KERN_DEBUG " did not try to join ibss\n");
@@ -4092,18 +4101,17 @@ ieee80211_sta_scan_result(struct net_device *dev,
4092 4101
4093 memset(&iwe, 0, sizeof(iwe)); 4102 memset(&iwe, 0, sizeof(iwe));
4094 iwe.cmd = SIOCGIWFREQ; 4103 iwe.cmd = SIOCGIWFREQ;
4095 iwe.u.freq.m = bss->freq; 4104 iwe.u.freq.m = ieee80211_frequency_to_channel(bss->freq);
4096 iwe.u.freq.e = 6; 4105 iwe.u.freq.e = 0;
4097 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, 4106 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
4098 IW_EV_FREQ_LEN); 4107 IW_EV_FREQ_LEN);
4099 4108
4100 memset(&iwe, 0, sizeof(iwe)); 4109 memset(&iwe, 0, sizeof(iwe));
4101 iwe.cmd = SIOCGIWFREQ; 4110 iwe.cmd = SIOCGIWFREQ;
4102 iwe.u.freq.m = ieee80211_frequency_to_channel(bss->freq); 4111 iwe.u.freq.m = bss->freq;
4103 iwe.u.freq.e = 0; 4112 iwe.u.freq.e = 6;
4104 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, 4113 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
4105 IW_EV_FREQ_LEN); 4114 IW_EV_FREQ_LEN);
4106
4107 memset(&iwe, 0, sizeof(iwe)); 4115 memset(&iwe, 0, sizeof(iwe));
4108 iwe.cmd = IWEVQUAL; 4116 iwe.cmd = IWEVQUAL;
4109 iwe.u.qual.qual = bss->signal; 4117 iwe.u.qual.qual = bss->signal;