2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * This file is GPLv2 as found in COPYING.
9 #include <linux/ieee80211.h>
10 #include <linux/nl80211.h>
11 #include <linux/rtnetlink.h>
12 #include <linux/slab.h>
13 #include <net/net_namespace.h>
14 #include <linux/rcupdate.h>
15 #include <linux/if_ether.h>
16 #include <net/cfg80211.h>
17 #include "ieee80211_i.h"
18 #include "driver-ops.h"
23 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
25 enum nl80211_iftype type,
27 struct vif_params *params)
29 struct ieee80211_local *local = wiphy_priv(wiphy);
30 struct wireless_dev *wdev;
31 struct ieee80211_sub_if_data *sdata;
34 err = ieee80211_if_add(local, name, &wdev, type, params);
38 if (type == NL80211_IFTYPE_MONITOR && flags) {
39 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
40 sdata->u.mntr_flags = *flags;
46 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
48 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
53 static int ieee80211_change_iface(struct wiphy *wiphy,
54 struct net_device *dev,
55 enum nl80211_iftype type, u32 *flags,
56 struct vif_params *params)
58 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
61 ret = ieee80211_if_change_type(sdata, type);
65 if (type == NL80211_IFTYPE_AP_VLAN &&
66 params && params->use_4addr == 0)
67 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
68 else if (type == NL80211_IFTYPE_STATION &&
69 params && params->use_4addr >= 0)
70 sdata->u.mgd.use_4addr = params->use_4addr;
72 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
73 struct ieee80211_local *local = sdata->local;
75 if (ieee80211_sdata_running(sdata)) {
77 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
78 * changed while the interface is up.
79 * Else we would need to add a lot of cruft
80 * to update everything:
81 * cooked_mntrs, monitor and all fif_* counters
82 * reconfigure hardware
84 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
85 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
88 ieee80211_adjust_monitor_flags(sdata, -1);
89 sdata->u.mntr_flags = *flags;
90 ieee80211_adjust_monitor_flags(sdata, 1);
92 ieee80211_configure_filter(local);
95 * Because the interface is down, ieee80211_do_stop
96 * and ieee80211_do_open take care of "everything"
97 * mentioned in the comment above.
99 sdata->u.mntr_flags = *flags;
106 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
107 struct wireless_dev *wdev)
109 return ieee80211_do_open(wdev, true);
112 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
113 struct wireless_dev *wdev)
115 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
118 static int ieee80211_set_noack_map(struct wiphy *wiphy,
119 struct net_device *dev,
122 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
124 sdata->noack_map = noack_map;
128 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
129 u8 key_idx, bool pairwise, const u8 *mac_addr,
130 struct key_params *params)
132 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
133 struct sta_info *sta = NULL;
134 struct ieee80211_key *key;
137 if (!ieee80211_sdata_running(sdata))
140 /* reject WEP and TKIP keys if WEP failed to initialize */
141 switch (params->cipher) {
142 case WLAN_CIPHER_SUITE_WEP40:
143 case WLAN_CIPHER_SUITE_TKIP:
144 case WLAN_CIPHER_SUITE_WEP104:
145 if (IS_ERR(sdata->local->wep_tx_tfm))
152 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
153 params->key, params->seq_len, params->seq);
158 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
160 mutex_lock(&sdata->local->sta_mtx);
163 if (ieee80211_vif_is_mesh(&sdata->vif))
164 sta = sta_info_get(sdata, mac_addr);
166 sta = sta_info_get_bss(sdata, mac_addr);
168 * The ASSOC test makes sure the driver is ready to
169 * receive the key. When wpa_supplicant has roamed
170 * using FT, it attempts to set the key before
171 * association has completed, this rejects that attempt
172 * so it will set the key again after assocation.
174 * TODO: accept the key if we have a station entry and
175 * add it to the device after the station.
177 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
178 ieee80211_key_free(sdata->local, key);
184 switch (sdata->vif.type) {
185 case NL80211_IFTYPE_STATION:
186 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
187 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
189 case NL80211_IFTYPE_AP:
190 case NL80211_IFTYPE_AP_VLAN:
191 /* Keys without a station are used for TX only */
192 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
193 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
195 case NL80211_IFTYPE_ADHOC:
198 case NL80211_IFTYPE_MESH_POINT:
199 #ifdef CONFIG_MAC80211_MESH
200 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
201 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
204 case NL80211_IFTYPE_WDS:
205 case NL80211_IFTYPE_MONITOR:
206 case NL80211_IFTYPE_P2P_DEVICE:
207 case NL80211_IFTYPE_UNSPECIFIED:
208 case NUM_NL80211_IFTYPES:
209 case NL80211_IFTYPE_P2P_CLIENT:
210 case NL80211_IFTYPE_P2P_GO:
211 /* shouldn't happen */
216 err = ieee80211_key_link(key, sdata, sta);
218 ieee80211_key_free(sdata->local, key);
221 mutex_unlock(&sdata->local->sta_mtx);
226 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
227 u8 key_idx, bool pairwise, const u8 *mac_addr)
229 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
230 struct ieee80211_local *local = sdata->local;
231 struct sta_info *sta;
232 struct ieee80211_key *key = NULL;
235 mutex_lock(&local->sta_mtx);
236 mutex_lock(&local->key_mtx);
241 sta = sta_info_get_bss(sdata, mac_addr);
246 key = key_mtx_dereference(local, sta->ptk);
248 key = key_mtx_dereference(local, sta->gtk[key_idx]);
250 key = key_mtx_dereference(local, sdata->keys[key_idx]);
257 __ieee80211_key_free(key);
261 mutex_unlock(&local->key_mtx);
262 mutex_unlock(&local->sta_mtx);
267 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
268 u8 key_idx, bool pairwise, const u8 *mac_addr,
270 void (*callback)(void *cookie,
271 struct key_params *params))
273 struct ieee80211_sub_if_data *sdata;
274 struct sta_info *sta = NULL;
276 struct key_params params;
277 struct ieee80211_key *key = NULL;
283 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
288 sta = sta_info_get_bss(sdata, mac_addr);
293 key = rcu_dereference(sta->ptk);
294 else if (key_idx < NUM_DEFAULT_KEYS)
295 key = rcu_dereference(sta->gtk[key_idx]);
297 key = rcu_dereference(sdata->keys[key_idx]);
302 memset(¶ms, 0, sizeof(params));
304 params.cipher = key->conf.cipher;
306 switch (key->conf.cipher) {
307 case WLAN_CIPHER_SUITE_TKIP:
308 iv32 = key->u.tkip.tx.iv32;
309 iv16 = key->u.tkip.tx.iv16;
311 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
312 drv_get_tkip_seq(sdata->local,
313 key->conf.hw_key_idx,
316 seq[0] = iv16 & 0xff;
317 seq[1] = (iv16 >> 8) & 0xff;
318 seq[2] = iv32 & 0xff;
319 seq[3] = (iv32 >> 8) & 0xff;
320 seq[4] = (iv32 >> 16) & 0xff;
321 seq[5] = (iv32 >> 24) & 0xff;
325 case WLAN_CIPHER_SUITE_CCMP:
326 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
336 case WLAN_CIPHER_SUITE_AES_CMAC:
337 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
349 params.key = key->conf.key;
350 params.key_len = key->conf.keylen;
352 callback(cookie, ¶ms);
360 static int ieee80211_config_default_key(struct wiphy *wiphy,
361 struct net_device *dev,
362 u8 key_idx, bool uni,
365 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
367 ieee80211_set_default_key(sdata, key_idx, uni, multi);
372 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
373 struct net_device *dev,
376 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
378 ieee80211_set_default_mgmt_key(sdata, key_idx);
383 void sta_set_rate_info_tx(struct sta_info *sta,
384 const struct ieee80211_tx_rate *rate,
385 struct rate_info *rinfo)
388 if (rate->flags & IEEE80211_TX_RC_MCS) {
389 rinfo->flags |= RATE_INFO_FLAGS_MCS;
390 rinfo->mcs = rate->idx;
391 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
392 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
393 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
394 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
396 struct ieee80211_supported_band *sband;
397 sband = sta->local->hw.wiphy->bands[
398 ieee80211_get_sdata_band(sta->sdata)];
399 rinfo->legacy = sband->bitrates[rate->idx].bitrate;
401 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
402 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
403 if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
404 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
405 if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
406 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
407 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
408 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
411 void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
415 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
416 rinfo->flags |= RATE_INFO_FLAGS_MCS;
417 rinfo->mcs = sta->last_rx_rate_idx;
418 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
419 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
420 rinfo->nss = sta->last_rx_rate_vht_nss;
421 rinfo->mcs = sta->last_rx_rate_idx;
423 struct ieee80211_supported_band *sband;
425 sband = sta->local->hw.wiphy->bands[
426 ieee80211_get_sdata_band(sta->sdata)];
428 sband->bitrates[sta->last_rx_rate_idx].bitrate;
431 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
432 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
433 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
434 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
435 if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
436 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
437 if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
438 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
439 if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
440 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
443 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
445 struct ieee80211_sub_if_data *sdata = sta->sdata;
446 struct ieee80211_local *local = sdata->local;
447 struct timespec uptime;
449 sinfo->generation = sdata->local->sta_generation;
451 sinfo->filled = STATION_INFO_INACTIVE_TIME |
452 STATION_INFO_RX_BYTES |
453 STATION_INFO_TX_BYTES |
454 STATION_INFO_RX_PACKETS |
455 STATION_INFO_TX_PACKETS |
456 STATION_INFO_TX_RETRIES |
457 STATION_INFO_TX_FAILED |
458 STATION_INFO_TX_BITRATE |
459 STATION_INFO_RX_BITRATE |
460 STATION_INFO_RX_DROP_MISC |
461 STATION_INFO_BSS_PARAM |
462 STATION_INFO_CONNECTED_TIME |
463 STATION_INFO_STA_FLAGS |
464 STATION_INFO_BEACON_LOSS_COUNT;
466 do_posix_clock_monotonic_gettime(&uptime);
467 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
469 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
470 sinfo->rx_bytes = sta->rx_bytes;
471 sinfo->tx_bytes = sta->tx_bytes;
472 sinfo->rx_packets = sta->rx_packets;
473 sinfo->tx_packets = sta->tx_packets;
474 sinfo->tx_retries = sta->tx_retry_count;
475 sinfo->tx_failed = sta->tx_retry_failed;
476 sinfo->rx_dropped_misc = sta->rx_dropped;
477 sinfo->beacon_loss_count = sta->beacon_loss_count;
479 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
480 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
481 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
482 if (!local->ops->get_rssi ||
483 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
484 sinfo->signal = (s8)sta->last_signal;
485 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
488 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
489 sta_set_rate_info_rx(sta, &sinfo->rxrate);
491 if (ieee80211_vif_is_mesh(&sdata->vif)) {
492 #ifdef CONFIG_MAC80211_MESH
493 sinfo->filled |= STATION_INFO_LLID |
495 STATION_INFO_PLINK_STATE |
496 STATION_INFO_LOCAL_PM |
497 STATION_INFO_PEER_PM |
498 STATION_INFO_NONPEER_PM;
500 sinfo->llid = le16_to_cpu(sta->llid);
501 sinfo->plid = le16_to_cpu(sta->plid);
502 sinfo->plink_state = sta->plink_state;
503 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
504 sinfo->filled |= STATION_INFO_T_OFFSET;
505 sinfo->t_offset = sta->t_offset;
507 sinfo->local_pm = sta->local_pm;
508 sinfo->peer_pm = sta->peer_pm;
509 sinfo->nonpeer_pm = sta->nonpeer_pm;
513 sinfo->bss_param.flags = 0;
514 if (sdata->vif.bss_conf.use_cts_prot)
515 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
516 if (sdata->vif.bss_conf.use_short_preamble)
517 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
518 if (sdata->vif.bss_conf.use_short_slot)
519 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
520 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
521 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
523 sinfo->sta_flags.set = 0;
524 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
525 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
526 BIT(NL80211_STA_FLAG_WME) |
527 BIT(NL80211_STA_FLAG_MFP) |
528 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
529 BIT(NL80211_STA_FLAG_ASSOCIATED) |
530 BIT(NL80211_STA_FLAG_TDLS_PEER);
531 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
532 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
533 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
534 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
535 if (test_sta_flag(sta, WLAN_STA_WME))
536 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
537 if (test_sta_flag(sta, WLAN_STA_MFP))
538 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
539 if (test_sta_flag(sta, WLAN_STA_AUTH))
540 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
541 if (test_sta_flag(sta, WLAN_STA_ASSOC))
542 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
543 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
544 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
547 static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
548 "rx_packets", "rx_bytes", "wep_weak_iv_count",
549 "rx_duplicates", "rx_fragments", "rx_dropped",
550 "tx_packets", "tx_bytes", "tx_fragments",
551 "tx_filtered", "tx_retry_failed", "tx_retries",
552 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
553 "channel", "noise", "ch_time", "ch_time_busy",
554 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
556 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
558 static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
559 struct net_device *dev,
562 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
565 if (sset == ETH_SS_STATS)
568 rv += drv_get_et_sset_count(sdata, sset);
575 static void ieee80211_get_et_stats(struct wiphy *wiphy,
576 struct net_device *dev,
577 struct ethtool_stats *stats,
580 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
581 struct ieee80211_chanctx_conf *chanctx_conf;
582 struct ieee80211_channel *channel;
583 struct sta_info *sta;
584 struct ieee80211_local *local = sdata->local;
585 struct station_info sinfo;
586 struct survey_info survey;
588 #define STA_STATS_SURVEY_LEN 7
590 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
592 #define ADD_STA_STATS(sta) \
594 data[i++] += sta->rx_packets; \
595 data[i++] += sta->rx_bytes; \
596 data[i++] += sta->wep_weak_iv_count; \
597 data[i++] += sta->num_duplicates; \
598 data[i++] += sta->rx_fragments; \
599 data[i++] += sta->rx_dropped; \
601 data[i++] += sta->tx_packets; \
602 data[i++] += sta->tx_bytes; \
603 data[i++] += sta->tx_fragments; \
604 data[i++] += sta->tx_filtered_count; \
605 data[i++] += sta->tx_retry_failed; \
606 data[i++] += sta->tx_retry_count; \
607 data[i++] += sta->beacon_loss_count; \
610 /* For Managed stations, find the single station based on BSSID
611 * and use that. For interface types, iterate through all available
612 * stations and add stats for any station that is assigned to this
616 mutex_lock(&local->sta_mtx);
618 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
619 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
621 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
627 data[i++] = sta->sta_state;
630 sta_set_sinfo(sta, &sinfo);
632 if (sinfo.filled & STATION_INFO_TX_BITRATE)
634 cfg80211_calculate_bitrate(&sinfo.txrate);
636 if (sinfo.filled & STATION_INFO_RX_BITRATE)
638 cfg80211_calculate_bitrate(&sinfo.rxrate);
641 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
642 data[i] = (u8)sinfo.signal_avg;
645 list_for_each_entry(sta, &local->sta_list, list) {
646 /* Make sure this station belongs to the proper dev */
647 if (sta->sdata->dev != dev)
656 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
657 /* Get survey stats for current channel */
661 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
663 channel = chanctx_conf->def.chan;
672 if (drv_get_survey(local, q, &survey) != 0) {
677 } while (channel != survey.channel);
681 data[i++] = survey.channel->center_freq;
684 if (survey.filled & SURVEY_INFO_NOISE_DBM)
685 data[i++] = (u8)survey.noise;
688 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
689 data[i++] = survey.channel_time;
692 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
693 data[i++] = survey.channel_time_busy;
696 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
697 data[i++] = survey.channel_time_ext_busy;
700 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
701 data[i++] = survey.channel_time_rx;
704 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
705 data[i++] = survey.channel_time_tx;
709 mutex_unlock(&local->sta_mtx);
711 if (WARN_ON(i != STA_STATS_LEN))
714 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
717 static void ieee80211_get_et_strings(struct wiphy *wiphy,
718 struct net_device *dev,
721 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
722 int sz_sta_stats = 0;
724 if (sset == ETH_SS_STATS) {
725 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
726 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
728 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
731 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
732 int idx, u8 *mac, struct station_info *sinfo)
734 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
735 struct ieee80211_local *local = sdata->local;
736 struct sta_info *sta;
739 mutex_lock(&local->sta_mtx);
741 sta = sta_info_get_by_idx(sdata, idx);
744 memcpy(mac, sta->sta.addr, ETH_ALEN);
745 sta_set_sinfo(sta, sinfo);
748 mutex_unlock(&local->sta_mtx);
753 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
754 int idx, struct survey_info *survey)
756 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
758 return drv_get_survey(local, idx, survey);
761 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
762 u8 *mac, struct station_info *sinfo)
764 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
765 struct ieee80211_local *local = sdata->local;
766 struct sta_info *sta;
769 mutex_lock(&local->sta_mtx);
771 sta = sta_info_get_bss(sdata, mac);
774 sta_set_sinfo(sta, sinfo);
777 mutex_unlock(&local->sta_mtx);
782 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
783 struct cfg80211_chan_def *chandef)
785 struct ieee80211_local *local = wiphy_priv(wiphy);
786 struct ieee80211_sub_if_data *sdata;
789 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
792 mutex_lock(&local->iflist_mtx);
793 if (local->use_chanctx) {
794 sdata = rcu_dereference_protected(
795 local->monitor_sdata,
796 lockdep_is_held(&local->iflist_mtx));
798 ieee80211_vif_release_channel(sdata);
799 ret = ieee80211_vif_use_channel(sdata, chandef,
800 IEEE80211_CHANCTX_EXCLUSIVE);
802 } else if (local->open_count == local->monitors) {
803 local->_oper_channel = chandef->chan;
804 local->_oper_channel_type = cfg80211_get_chandef_type(chandef);
805 ieee80211_hw_config(local, 0);
809 local->monitor_chandef = *chandef;
810 mutex_unlock(&local->iflist_mtx);
815 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
816 const u8 *resp, size_t resp_len)
818 struct probe_resp *new, *old;
820 if (!resp || !resp_len)
823 old = rtnl_dereference(sdata->u.ap.probe_resp);
825 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
830 memcpy(new->data, resp, resp_len);
832 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
834 kfree_rcu(old, rcu_head);
839 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
840 struct cfg80211_beacon_data *params)
842 struct beacon_data *new, *old;
843 int new_head_len, new_tail_len;
845 u32 changed = BSS_CHANGED_BEACON;
847 old = rtnl_dereference(sdata->u.ap.beacon);
849 /* Need to have a beacon head if we don't have one yet */
850 if (!params->head && !old)
853 /* new or old head? */
855 new_head_len = params->head_len;
857 new_head_len = old->head_len;
859 /* new or old tail? */
860 if (params->tail || !old)
861 /* params->tail_len will be zero for !params->tail */
862 new_tail_len = params->tail_len;
864 new_tail_len = old->tail_len;
866 size = sizeof(*new) + new_head_len + new_tail_len;
868 new = kzalloc(size, GFP_KERNEL);
872 /* start filling the new info now */
875 * pointers go into the block we allocated,
876 * memory is | beacon_data | head | tail |
878 new->head = ((u8 *) new) + sizeof(*new);
879 new->tail = new->head + new_head_len;
880 new->head_len = new_head_len;
881 new->tail_len = new_tail_len;
885 memcpy(new->head, params->head, new_head_len);
887 memcpy(new->head, old->head, new_head_len);
889 /* copy in optional tail */
891 memcpy(new->tail, params->tail, new_tail_len);
894 memcpy(new->tail, old->tail, new_tail_len);
896 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
897 params->probe_resp_len);
901 changed |= BSS_CHANGED_AP_PROBE_RESP;
903 rcu_assign_pointer(sdata->u.ap.beacon, new);
906 kfree_rcu(old, rcu_head);
911 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
912 struct cfg80211_ap_settings *params)
914 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
915 struct beacon_data *old;
916 struct ieee80211_sub_if_data *vlan;
917 u32 changed = BSS_CHANGED_BEACON_INT |
918 BSS_CHANGED_BEACON_ENABLED |
924 old = rtnl_dereference(sdata->u.ap.beacon);
928 /* TODO: make hostapd tell us what it wants */
929 sdata->smps_mode = IEEE80211_SMPS_OFF;
930 sdata->needed_rx_chains = sdata->local->rx_chains;
931 sdata->radar_required = params->radar_required;
933 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
934 IEEE80211_CHANCTX_SHARED);
937 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
940 * Apply control port protocol, this allows us to
941 * not encrypt dynamic WEP control frames.
943 sdata->control_port_protocol = params->crypto.control_port_ethertype;
944 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
945 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
946 vlan->control_port_protocol =
947 params->crypto.control_port_ethertype;
948 vlan->control_port_no_encrypt =
949 params->crypto.control_port_no_encrypt;
952 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
953 sdata->vif.bss_conf.dtim_period = params->dtim_period;
954 sdata->vif.bss_conf.enable_beacon = true;
956 sdata->vif.bss_conf.ssid_len = params->ssid_len;
957 if (params->ssid_len)
958 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
960 sdata->vif.bss_conf.hidden_ssid =
961 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
963 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
964 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
966 err = ieee80211_assign_beacon(sdata, ¶ms->beacon);
971 err = drv_start_ap(sdata->local, sdata);
973 old = rtnl_dereference(sdata->u.ap.beacon);
975 kfree_rcu(old, rcu_head);
976 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
980 ieee80211_bss_info_change_notify(sdata, changed);
982 netif_carrier_on(dev);
983 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
984 netif_carrier_on(vlan->dev);
989 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
990 struct cfg80211_beacon_data *params)
992 struct ieee80211_sub_if_data *sdata;
993 struct beacon_data *old;
996 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
998 old = rtnl_dereference(sdata->u.ap.beacon);
1002 err = ieee80211_assign_beacon(sdata, params);
1005 ieee80211_bss_info_change_notify(sdata, err);
1009 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1011 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1012 struct ieee80211_sub_if_data *vlan;
1013 struct ieee80211_local *local = sdata->local;
1014 struct beacon_data *old_beacon;
1015 struct probe_resp *old_probe_resp;
1017 old_beacon = rtnl_dereference(sdata->u.ap.beacon);
1020 old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
1022 /* turn off carrier for this interface and dependent VLANs */
1023 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1024 netif_carrier_off(vlan->dev);
1025 netif_carrier_off(dev);
1027 /* remove beacon and probe response */
1028 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1029 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1030 kfree_rcu(old_beacon, rcu_head);
1032 kfree_rcu(old_probe_resp, rcu_head);
1034 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1035 sta_info_flush_defer(vlan);
1036 sta_info_flush_defer(sdata);
1038 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1039 sta_info_flush_cleanup(vlan);
1040 sta_info_flush_cleanup(sdata);
1042 sdata->vif.bss_conf.enable_beacon = false;
1043 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1044 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1046 drv_stop_ap(sdata->local, sdata);
1048 /* free all potentially still buffered bcast frames */
1049 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1050 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1052 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1053 ieee80211_vif_release_channel(sdata);
1058 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1059 struct iapp_layer2_update {
1060 u8 da[ETH_ALEN]; /* broadcast */
1061 u8 sa[ETH_ALEN]; /* STA addr */
1069 static void ieee80211_send_layer2_update(struct sta_info *sta)
1071 struct iapp_layer2_update *msg;
1072 struct sk_buff *skb;
1074 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1077 skb = dev_alloc_skb(sizeof(*msg));
1080 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1082 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1083 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1085 eth_broadcast_addr(msg->da);
1086 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
1087 msg->len = htons(6);
1089 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1090 msg->control = 0xaf; /* XID response lsb.1111F101.
1091 * F=0 (no poll command; unsolicited frame) */
1092 msg->xid_info[0] = 0x81; /* XID format identifier */
1093 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1094 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1096 skb->dev = sta->sdata->dev;
1097 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
1098 memset(skb->cb, 0, sizeof(skb->cb));
1102 static int sta_apply_auth_flags(struct ieee80211_local *local,
1103 struct sta_info *sta,
1108 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1109 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1110 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1111 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1116 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1117 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1118 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1119 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1124 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1125 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1126 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1127 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1128 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1135 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1136 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1137 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1138 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1143 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1144 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1145 test_sta_flag(sta, WLAN_STA_AUTH)) {
1146 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1154 static int sta_apply_parameters(struct ieee80211_local *local,
1155 struct sta_info *sta,
1156 struct station_parameters *params)
1161 struct ieee80211_supported_band *sband;
1162 struct ieee80211_sub_if_data *sdata = sta->sdata;
1163 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1166 sband = local->hw.wiphy->bands[band];
1168 mask = params->sta_flags_mask;
1169 set = params->sta_flags_set;
1171 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1173 * In mesh mode, ASSOCIATED isn't part of the nl80211
1174 * API but must follow AUTHENTICATED for driver state.
1176 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1177 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1178 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1179 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1180 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1182 * TDLS -- everything follows authorized, but
1183 * only becoming authorized is possible, not
1186 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1187 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1188 BIT(NL80211_STA_FLAG_ASSOCIATED);
1189 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1190 BIT(NL80211_STA_FLAG_ASSOCIATED);
1194 ret = sta_apply_auth_flags(local, sta, mask, set);
1198 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1199 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1200 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1202 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1205 if (mask & BIT(NL80211_STA_FLAG_WME)) {
1206 if (set & BIT(NL80211_STA_FLAG_WME)) {
1207 set_sta_flag(sta, WLAN_STA_WME);
1208 sta->sta.wme = true;
1210 clear_sta_flag(sta, WLAN_STA_WME);
1211 sta->sta.wme = false;
1215 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1216 if (set & BIT(NL80211_STA_FLAG_MFP))
1217 set_sta_flag(sta, WLAN_STA_MFP);
1219 clear_sta_flag(sta, WLAN_STA_MFP);
1222 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1223 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1224 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1226 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1229 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1230 sta->sta.uapsd_queues = params->uapsd_queues;
1231 sta->sta.max_sp = params->max_sp;
1235 * cfg80211 validates this (1-2007) and allows setting the AID
1236 * only when creating a new station entry
1239 sta->sta.aid = params->aid;
1242 * Some of the following updates would be racy if called on an
1243 * existing station, via ieee80211_change_station(). However,
1244 * all such changes are rejected by cfg80211 except for updates
1245 * changing the supported rates on an existing but not yet used
1249 if (params->listen_interval >= 0)
1250 sta->listen_interval = params->listen_interval;
1252 if (params->supported_rates) {
1255 for (i = 0; i < params->supported_rates_len; i++) {
1256 int rate = (params->supported_rates[i] & 0x7f) * 5;
1257 for (j = 0; j < sband->n_bitrates; j++) {
1258 if (sband->bitrates[j].bitrate == rate)
1262 sta->sta.supp_rates[band] = rates;
1265 if (params->ht_capa)
1266 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1267 params->ht_capa, sta);
1269 if (params->vht_capa)
1270 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1271 params->vht_capa, sta);
1273 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1274 #ifdef CONFIG_MAC80211_MESH
1277 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1278 switch (params->plink_state) {
1279 case NL80211_PLINK_ESTAB:
1280 if (sta->plink_state != NL80211_PLINK_ESTAB)
1281 changed = mesh_plink_inc_estab_count(
1283 sta->plink_state = params->plink_state;
1285 ieee80211_mps_sta_status_update(sta);
1286 changed |= ieee80211_mps_set_sta_local_pm(sta,
1287 sdata->u.mesh.mshcfg.power_mode);
1289 case NL80211_PLINK_LISTEN:
1290 case NL80211_PLINK_BLOCKED:
1291 case NL80211_PLINK_OPN_SNT:
1292 case NL80211_PLINK_OPN_RCVD:
1293 case NL80211_PLINK_CNF_RCVD:
1294 case NL80211_PLINK_HOLDING:
1295 if (sta->plink_state == NL80211_PLINK_ESTAB)
1296 changed = mesh_plink_dec_estab_count(
1298 sta->plink_state = params->plink_state;
1300 ieee80211_mps_sta_status_update(sta);
1302 ieee80211_mps_local_status_update(sdata);
1310 switch (params->plink_action) {
1311 case NL80211_PLINK_ACTION_NO_ACTION:
1314 case NL80211_PLINK_ACTION_OPEN:
1315 changed |= mesh_plink_open(sta);
1317 case NL80211_PLINK_ACTION_BLOCK:
1318 changed |= mesh_plink_block(sta);
1322 if (params->local_pm)
1324 ieee80211_mps_set_sta_local_pm(sta,
1326 ieee80211_bss_info_change_notify(sdata, changed);
1333 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1334 u8 *mac, struct station_parameters *params)
1336 struct ieee80211_local *local = wiphy_priv(wiphy);
1337 struct sta_info *sta;
1338 struct ieee80211_sub_if_data *sdata;
1343 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1345 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1346 sdata->vif.type != NL80211_IFTYPE_AP)
1349 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1351 if (ether_addr_equal(mac, sdata->vif.addr))
1354 if (is_multicast_ether_addr(mac))
1357 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1362 * defaults -- if userspace wants something else we'll
1363 * change it accordingly in sta_apply_parameters()
1365 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1366 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1367 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1370 err = sta_apply_parameters(local, sta, params);
1372 sta_info_free(local, sta);
1377 * for TDLS, rate control should be initialized only when
1378 * rates are known and station is marked authorized
1380 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1381 rate_control_rate_init(sta);
1383 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1384 sdata->vif.type == NL80211_IFTYPE_AP;
1386 err = sta_info_insert_rcu(sta);
1393 ieee80211_send_layer2_update(sta);
1400 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1403 struct ieee80211_sub_if_data *sdata;
1405 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1408 return sta_info_destroy_addr_bss(sdata, mac);
1410 sta_info_flush(sdata);
1414 static int ieee80211_change_station(struct wiphy *wiphy,
1415 struct net_device *dev, u8 *mac,
1416 struct station_parameters *params)
1418 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1419 struct ieee80211_local *local = wiphy_priv(wiphy);
1420 struct sta_info *sta;
1421 struct ieee80211_sub_if_data *vlansdata;
1422 enum cfg80211_station_type statype;
1425 mutex_lock(&local->sta_mtx);
1427 sta = sta_info_get_bss(sdata, mac);
1433 switch (sdata->vif.type) {
1434 case NL80211_IFTYPE_MESH_POINT:
1435 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1436 statype = CFG80211_STA_MESH_PEER_SECURE;
1438 statype = CFG80211_STA_MESH_PEER_NONSEC;
1440 case NL80211_IFTYPE_ADHOC:
1441 statype = CFG80211_STA_IBSS;
1443 case NL80211_IFTYPE_STATION:
1444 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1445 statype = CFG80211_STA_AP_STA;
1448 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1449 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1451 statype = CFG80211_STA_TDLS_PEER_SETUP;
1453 case NL80211_IFTYPE_AP:
1454 case NL80211_IFTYPE_AP_VLAN:
1455 statype = CFG80211_STA_AP_CLIENT;
1462 err = cfg80211_check_station_change(wiphy, params, statype);
1466 if (params->vlan && params->vlan != sta->sdata->dev) {
1467 bool prev_4addr = false;
1468 bool new_4addr = false;
1470 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1472 if (params->vlan->ieee80211_ptr->use_4addr) {
1473 if (vlansdata->u.vlan.sta) {
1478 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1482 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1483 sta->sdata->u.vlan.sta) {
1484 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1488 sta->sdata = vlansdata;
1490 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1491 prev_4addr != new_4addr) {
1493 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1495 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1498 ieee80211_send_layer2_update(sta);
1501 err = sta_apply_parameters(local, sta, params);
1505 /* When peer becomes authorized, init rate control as well */
1506 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1507 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1508 rate_control_rate_init(sta);
1510 mutex_unlock(&local->sta_mtx);
1512 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1513 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1514 ieee80211_recalc_ps(local, -1);
1515 ieee80211_recalc_ps_vif(sdata);
1520 mutex_unlock(&local->sta_mtx);
1524 #ifdef CONFIG_MAC80211_MESH
1525 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1526 u8 *dst, u8 *next_hop)
1528 struct ieee80211_sub_if_data *sdata;
1529 struct mesh_path *mpath;
1530 struct sta_info *sta;
1533 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1536 sta = sta_info_get(sdata, next_hop);
1542 err = mesh_path_add(sdata, dst);
1548 mpath = mesh_path_lookup(sdata, dst);
1553 mesh_path_fix_nexthop(mpath, sta);
1559 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1562 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1565 return mesh_path_del(sdata, dst);
1567 mesh_path_flush_by_iface(sdata);
1571 static int ieee80211_change_mpath(struct wiphy *wiphy,
1572 struct net_device *dev,
1573 u8 *dst, u8 *next_hop)
1575 struct ieee80211_sub_if_data *sdata;
1576 struct mesh_path *mpath;
1577 struct sta_info *sta;
1579 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1583 sta = sta_info_get(sdata, next_hop);
1589 mpath = mesh_path_lookup(sdata, dst);
1595 mesh_path_fix_nexthop(mpath, sta);
1601 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1602 struct mpath_info *pinfo)
1604 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1607 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1609 memset(next_hop, 0, ETH_ALEN);
1611 memset(pinfo, 0, sizeof(*pinfo));
1613 pinfo->generation = mesh_paths_generation;
1615 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1618 MPATH_INFO_EXPTIME |
1619 MPATH_INFO_DISCOVERY_TIMEOUT |
1620 MPATH_INFO_DISCOVERY_RETRIES |
1623 pinfo->frame_qlen = mpath->frame_queue.qlen;
1624 pinfo->sn = mpath->sn;
1625 pinfo->metric = mpath->metric;
1626 if (time_before(jiffies, mpath->exp_time))
1627 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1628 pinfo->discovery_timeout =
1629 jiffies_to_msecs(mpath->discovery_timeout);
1630 pinfo->discovery_retries = mpath->discovery_retries;
1631 if (mpath->flags & MESH_PATH_ACTIVE)
1632 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1633 if (mpath->flags & MESH_PATH_RESOLVING)
1634 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1635 if (mpath->flags & MESH_PATH_SN_VALID)
1636 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1637 if (mpath->flags & MESH_PATH_FIXED)
1638 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1639 if (mpath->flags & MESH_PATH_RESOLVED)
1640 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1643 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1644 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1647 struct ieee80211_sub_if_data *sdata;
1648 struct mesh_path *mpath;
1650 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1653 mpath = mesh_path_lookup(sdata, dst);
1658 memcpy(dst, mpath->dst, ETH_ALEN);
1659 mpath_set_pinfo(mpath, next_hop, pinfo);
1664 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1665 int idx, u8 *dst, u8 *next_hop,
1666 struct mpath_info *pinfo)
1668 struct ieee80211_sub_if_data *sdata;
1669 struct mesh_path *mpath;
1671 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1674 mpath = mesh_path_lookup_by_idx(sdata, idx);
1679 memcpy(dst, mpath->dst, ETH_ALEN);
1680 mpath_set_pinfo(mpath, next_hop, pinfo);
1685 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1686 struct net_device *dev,
1687 struct mesh_config *conf)
1689 struct ieee80211_sub_if_data *sdata;
1690 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1692 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1696 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1698 return (mask >> (parm-1)) & 0x1;
1701 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1702 const struct mesh_setup *setup)
1706 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1707 struct ieee80211_sub_if_data, u.mesh);
1709 /* allocate information elements */
1713 if (setup->ie_len) {
1714 new_ie = kmemdup(setup->ie, setup->ie_len,
1719 ifmsh->ie_len = setup->ie_len;
1723 /* now copy the rest of the setup parameters */
1724 ifmsh->mesh_id_len = setup->mesh_id_len;
1725 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1726 ifmsh->mesh_sp_id = setup->sync_method;
1727 ifmsh->mesh_pp_id = setup->path_sel_proto;
1728 ifmsh->mesh_pm_id = setup->path_metric;
1729 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1730 if (setup->is_authenticated)
1731 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1732 if (setup->is_secure)
1733 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1735 /* mcast rate setting in Mesh Node */
1736 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1737 sizeof(setup->mcast_rate));
1739 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1740 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1745 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1746 struct net_device *dev, u32 mask,
1747 const struct mesh_config *nconf)
1749 struct mesh_config *conf;
1750 struct ieee80211_sub_if_data *sdata;
1751 struct ieee80211_if_mesh *ifmsh;
1753 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1754 ifmsh = &sdata->u.mesh;
1756 /* Set the config options which we are interested in setting */
1757 conf = &(sdata->u.mesh.mshcfg);
1758 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1759 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1760 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1761 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1762 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1763 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1764 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1765 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1766 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1767 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1768 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1769 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1770 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1771 conf->element_ttl = nconf->element_ttl;
1772 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1773 conf->auto_open_plinks = nconf->auto_open_plinks;
1774 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1775 conf->dot11MeshNbrOffsetMaxNeighbor =
1776 nconf->dot11MeshNbrOffsetMaxNeighbor;
1777 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1778 conf->dot11MeshHWMPmaxPREQretries =
1779 nconf->dot11MeshHWMPmaxPREQretries;
1780 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1781 conf->path_refresh_time = nconf->path_refresh_time;
1782 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1783 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1784 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1785 conf->dot11MeshHWMPactivePathTimeout =
1786 nconf->dot11MeshHWMPactivePathTimeout;
1787 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1788 conf->dot11MeshHWMPpreqMinInterval =
1789 nconf->dot11MeshHWMPpreqMinInterval;
1790 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1791 conf->dot11MeshHWMPperrMinInterval =
1792 nconf->dot11MeshHWMPperrMinInterval;
1793 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1795 conf->dot11MeshHWMPnetDiameterTraversalTime =
1796 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1797 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1798 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1799 ieee80211_mesh_root_setup(ifmsh);
1801 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1802 /* our current gate announcement implementation rides on root
1803 * announcements, so require this ifmsh to also be a root node
1805 if (nconf->dot11MeshGateAnnouncementProtocol &&
1806 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1807 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1808 ieee80211_mesh_root_setup(ifmsh);
1810 conf->dot11MeshGateAnnouncementProtocol =
1811 nconf->dot11MeshGateAnnouncementProtocol;
1813 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1814 conf->dot11MeshHWMPRannInterval =
1815 nconf->dot11MeshHWMPRannInterval;
1816 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1817 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1818 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1819 /* our RSSI threshold implementation is supported only for
1820 * devices that report signal in dBm.
1822 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1824 conf->rssi_threshold = nconf->rssi_threshold;
1826 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1827 conf->ht_opmode = nconf->ht_opmode;
1828 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1829 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1831 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1832 conf->dot11MeshHWMPactivePathToRootTimeout =
1833 nconf->dot11MeshHWMPactivePathToRootTimeout;
1834 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1835 conf->dot11MeshHWMProotInterval =
1836 nconf->dot11MeshHWMProotInterval;
1837 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1838 conf->dot11MeshHWMPconfirmationInterval =
1839 nconf->dot11MeshHWMPconfirmationInterval;
1840 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1841 conf->power_mode = nconf->power_mode;
1842 ieee80211_mps_local_status_update(sdata);
1844 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1845 conf->dot11MeshAwakeWindowDuration =
1846 nconf->dot11MeshAwakeWindowDuration;
1847 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1851 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1852 const struct mesh_config *conf,
1853 const struct mesh_setup *setup)
1855 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1856 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1859 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1860 err = copy_mesh_setup(ifmsh, setup);
1864 /* can mesh use other SMPS modes? */
1865 sdata->smps_mode = IEEE80211_SMPS_OFF;
1866 sdata->needed_rx_chains = sdata->local->rx_chains;
1868 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1869 IEEE80211_CHANCTX_SHARED);
1873 return ieee80211_start_mesh(sdata);
1876 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1878 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1880 ieee80211_stop_mesh(sdata);
1881 ieee80211_vif_release_channel(sdata);
1887 static int ieee80211_change_bss(struct wiphy *wiphy,
1888 struct net_device *dev,
1889 struct bss_parameters *params)
1891 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1892 enum ieee80211_band band;
1895 if (!rtnl_dereference(sdata->u.ap.beacon))
1898 band = ieee80211_get_sdata_band(sdata);
1900 if (params->use_cts_prot >= 0) {
1901 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1902 changed |= BSS_CHANGED_ERP_CTS_PROT;
1904 if (params->use_short_preamble >= 0) {
1905 sdata->vif.bss_conf.use_short_preamble =
1906 params->use_short_preamble;
1907 changed |= BSS_CHANGED_ERP_PREAMBLE;
1910 if (!sdata->vif.bss_conf.use_short_slot &&
1911 band == IEEE80211_BAND_5GHZ) {
1912 sdata->vif.bss_conf.use_short_slot = true;
1913 changed |= BSS_CHANGED_ERP_SLOT;
1916 if (params->use_short_slot_time >= 0) {
1917 sdata->vif.bss_conf.use_short_slot =
1918 params->use_short_slot_time;
1919 changed |= BSS_CHANGED_ERP_SLOT;
1922 if (params->basic_rates) {
1925 struct ieee80211_supported_band *sband = wiphy->bands[band];
1927 for (i = 0; i < params->basic_rates_len; i++) {
1928 int rate = (params->basic_rates[i] & 0x7f) * 5;
1929 for (j = 0; j < sband->n_bitrates; j++) {
1930 if (sband->bitrates[j].bitrate == rate)
1934 sdata->vif.bss_conf.basic_rates = rates;
1935 changed |= BSS_CHANGED_BASIC_RATES;
1938 if (params->ap_isolate >= 0) {
1939 if (params->ap_isolate)
1940 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1942 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1945 if (params->ht_opmode >= 0) {
1946 sdata->vif.bss_conf.ht_operation_mode =
1947 (u16) params->ht_opmode;
1948 changed |= BSS_CHANGED_HT;
1951 if (params->p2p_ctwindow >= 0) {
1952 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
1953 changed |= BSS_CHANGED_P2P_PS;
1956 if (params->p2p_opp_ps >= 0) {
1957 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
1958 changed |= BSS_CHANGED_P2P_PS;
1961 ieee80211_bss_info_change_notify(sdata, changed);
1966 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1967 struct net_device *dev,
1968 struct ieee80211_txq_params *params)
1970 struct ieee80211_local *local = wiphy_priv(wiphy);
1971 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1972 struct ieee80211_tx_queue_params p;
1974 if (!local->ops->conf_tx)
1977 if (local->hw.queues < IEEE80211_NUM_ACS)
1980 memset(&p, 0, sizeof(p));
1981 p.aifs = params->aifs;
1982 p.cw_max = params->cwmax;
1983 p.cw_min = params->cwmin;
1984 p.txop = params->txop;
1987 * Setting tx queue params disables u-apsd because it's only
1988 * called in master mode.
1992 sdata->tx_conf[params->ac] = p;
1993 if (drv_conf_tx(local, sdata, params->ac, &p)) {
1994 wiphy_debug(local->hw.wiphy,
1995 "failed to set TX queue parameters for AC %d\n",
2000 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2006 static int ieee80211_suspend(struct wiphy *wiphy,
2007 struct cfg80211_wowlan *wowlan)
2009 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2012 static int ieee80211_resume(struct wiphy *wiphy)
2014 return __ieee80211_resume(wiphy_priv(wiphy));
2017 #define ieee80211_suspend NULL
2018 #define ieee80211_resume NULL
2021 static int ieee80211_scan(struct wiphy *wiphy,
2022 struct cfg80211_scan_request *req)
2024 struct ieee80211_sub_if_data *sdata;
2026 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2028 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2029 case NL80211_IFTYPE_STATION:
2030 case NL80211_IFTYPE_ADHOC:
2031 case NL80211_IFTYPE_MESH_POINT:
2032 case NL80211_IFTYPE_P2P_CLIENT:
2033 case NL80211_IFTYPE_P2P_DEVICE:
2035 case NL80211_IFTYPE_P2P_GO:
2036 if (sdata->local->ops->hw_scan)
2039 * FIXME: implement NoA while scanning in software,
2040 * for now fall through to allow scanning only when
2041 * beaconing hasn't been configured yet
2043 case NL80211_IFTYPE_AP:
2045 * If the scan has been forced (and the driver supports
2046 * forcing), don't care about being beaconing already.
2047 * This will create problems to the attached stations (e.g. all
2048 * the frames sent while scanning on other channel will be
2051 if (sdata->u.ap.beacon &&
2052 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2053 !(req->flags & NL80211_SCAN_FLAG_AP)))
2060 return ieee80211_request_scan(sdata, req);
2064 ieee80211_sched_scan_start(struct wiphy *wiphy,
2065 struct net_device *dev,
2066 struct cfg80211_sched_scan_request *req)
2068 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2070 if (!sdata->local->ops->sched_scan_start)
2073 return ieee80211_request_sched_scan_start(sdata, req);
2077 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2079 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2081 if (!sdata->local->ops->sched_scan_stop)
2084 return ieee80211_request_sched_scan_stop(sdata);
2087 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2088 struct cfg80211_auth_request *req)
2090 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2093 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2094 struct cfg80211_assoc_request *req)
2096 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2099 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2100 struct cfg80211_deauth_request *req)
2102 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2105 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2106 struct cfg80211_disassoc_request *req)
2108 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2111 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2112 struct cfg80211_ibss_params *params)
2114 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2117 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2119 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2122 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2123 int rate[IEEE80211_NUM_BANDS])
2125 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2127 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2128 sizeof(int) * IEEE80211_NUM_BANDS);
2133 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2135 struct ieee80211_local *local = wiphy_priv(wiphy);
2138 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2139 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2145 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2146 err = drv_set_coverage_class(local, wiphy->coverage_class);
2152 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2153 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2159 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2160 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2162 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2164 if (changed & WIPHY_PARAM_RETRY_LONG) {
2165 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2167 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2170 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2171 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2176 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2177 struct wireless_dev *wdev,
2178 enum nl80211_tx_power_setting type, int mbm)
2180 struct ieee80211_local *local = wiphy_priv(wiphy);
2181 struct ieee80211_sub_if_data *sdata;
2184 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2187 case NL80211_TX_POWER_AUTOMATIC:
2188 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2190 case NL80211_TX_POWER_LIMITED:
2191 case NL80211_TX_POWER_FIXED:
2192 if (mbm < 0 || (mbm % 100))
2194 sdata->user_power_level = MBM_TO_DBM(mbm);
2198 ieee80211_recalc_txpower(sdata);
2204 case NL80211_TX_POWER_AUTOMATIC:
2205 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2207 case NL80211_TX_POWER_LIMITED:
2208 case NL80211_TX_POWER_FIXED:
2209 if (mbm < 0 || (mbm % 100))
2211 local->user_power_level = MBM_TO_DBM(mbm);
2215 mutex_lock(&local->iflist_mtx);
2216 list_for_each_entry(sdata, &local->interfaces, list)
2217 sdata->user_power_level = local->user_power_level;
2218 list_for_each_entry(sdata, &local->interfaces, list)
2219 ieee80211_recalc_txpower(sdata);
2220 mutex_unlock(&local->iflist_mtx);
2225 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2226 struct wireless_dev *wdev,
2229 struct ieee80211_local *local = wiphy_priv(wiphy);
2230 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2232 if (!local->use_chanctx)
2233 *dbm = local->hw.conf.power_level;
2235 *dbm = sdata->vif.bss_conf.txpower;
2240 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2243 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2245 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2250 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2252 struct ieee80211_local *local = wiphy_priv(wiphy);
2254 drv_rfkill_poll(local);
2257 #ifdef CONFIG_NL80211_TESTMODE
2258 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
2260 struct ieee80211_local *local = wiphy_priv(wiphy);
2262 if (!local->ops->testmode_cmd)
2265 return local->ops->testmode_cmd(&local->hw, data, len);
2268 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2269 struct sk_buff *skb,
2270 struct netlink_callback *cb,
2271 void *data, int len)
2273 struct ieee80211_local *local = wiphy_priv(wiphy);
2275 if (!local->ops->testmode_dump)
2278 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2282 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2283 enum ieee80211_smps_mode smps_mode)
2286 enum ieee80211_smps_mode old_req;
2289 lockdep_assert_held(&sdata->u.mgd.mtx);
2291 old_req = sdata->u.mgd.req_smps;
2292 sdata->u.mgd.req_smps = smps_mode;
2294 if (old_req == smps_mode &&
2295 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2299 * If not associated, or current association is not an HT
2300 * association, there's no need to do anything, just store
2301 * the new value until we associate.
2303 if (!sdata->u.mgd.associated ||
2304 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2307 ap = sdata->u.mgd.associated->bssid;
2309 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2310 if (sdata->u.mgd.powersave)
2311 smps_mode = IEEE80211_SMPS_DYNAMIC;
2313 smps_mode = IEEE80211_SMPS_OFF;
2316 /* send SM PS frame to AP */
2317 err = ieee80211_send_smps_action(sdata, smps_mode,
2320 sdata->u.mgd.req_smps = old_req;
2325 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2326 bool enabled, int timeout)
2328 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2329 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2331 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2332 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
2335 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2338 if (enabled == sdata->u.mgd.powersave &&
2339 timeout == local->dynamic_ps_forced_timeout)
2342 sdata->u.mgd.powersave = enabled;
2343 local->dynamic_ps_forced_timeout = timeout;
2345 /* no change, but if automatic follow powersave */
2346 mutex_lock(&sdata->u.mgd.mtx);
2347 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2348 mutex_unlock(&sdata->u.mgd.mtx);
2350 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2351 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2353 ieee80211_recalc_ps(local, -1);
2354 ieee80211_recalc_ps_vif(sdata);
2359 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2360 struct net_device *dev,
2361 s32 rssi_thold, u32 rssi_hyst)
2363 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2364 struct ieee80211_vif *vif = &sdata->vif;
2365 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2367 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2368 rssi_hyst == bss_conf->cqm_rssi_hyst)
2371 bss_conf->cqm_rssi_thold = rssi_thold;
2372 bss_conf->cqm_rssi_hyst = rssi_hyst;
2374 /* tell the driver upon association, unless already associated */
2375 if (sdata->u.mgd.associated &&
2376 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2377 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2382 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2383 struct net_device *dev,
2385 const struct cfg80211_bitrate_mask *mask)
2387 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2388 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2391 if (!ieee80211_sdata_running(sdata))
2394 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2395 ret = drv_set_bitrate_mask(local, sdata, mask);
2400 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2401 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2402 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2403 sizeof(mask->control[i].mcs));
2409 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2410 struct ieee80211_sub_if_data *sdata,
2411 struct ieee80211_channel *channel,
2412 unsigned int duration, u64 *cookie,
2413 struct sk_buff *txskb)
2415 struct ieee80211_roc_work *roc, *tmp;
2416 bool queued = false;
2419 lockdep_assert_held(&local->mtx);
2421 if (local->use_chanctx && !local->ops->remain_on_channel)
2424 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2428 roc->chan = channel;
2429 roc->duration = duration;
2430 roc->req_duration = duration;
2432 roc->mgmt_tx_cookie = (unsigned long)txskb;
2434 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2435 INIT_LIST_HEAD(&roc->dependents);
2437 /* if there's one pending or we're scanning, queue this one */
2438 if (!list_empty(&local->roc_list) ||
2439 local->scanning || local->radar_detect_enabled)
2440 goto out_check_combine;
2442 /* if not HW assist, just queue & schedule work */
2443 if (!local->ops->remain_on_channel) {
2444 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2448 /* otherwise actually kick it off here (for error handling) */
2451 * If the duration is zero, then the driver
2452 * wouldn't actually do anything. Set it to
2455 * TODO: cancel the off-channel operation
2456 * when we get the SKB's TX status and
2457 * the wait time was zero before.
2462 ret = drv_remain_on_channel(local, sdata, channel, duration);
2468 roc->started = true;
2472 list_for_each_entry(tmp, &local->roc_list, list) {
2473 if (tmp->chan != channel || tmp->sdata != sdata)
2477 * Extend this ROC if possible:
2479 * If it hasn't started yet, just increase the duration
2480 * and add the new one to the list of dependents.
2482 if (!tmp->started) {
2483 list_add_tail(&roc->list, &tmp->dependents);
2484 tmp->duration = max(tmp->duration, roc->duration);
2489 /* If it has already started, it's more difficult ... */
2490 if (local->ops->remain_on_channel) {
2491 unsigned long j = jiffies;
2494 * In the offloaded ROC case, if it hasn't begun, add
2495 * this new one to the dependent list to be handled
2496 * when the the master one begins. If it has begun,
2497 * check that there's still a minimum time left and
2498 * if so, start this one, transmitting the frame, but
2499 * add it to the list directly after this one with a
2500 * a reduced time so we'll ask the driver to execute
2501 * it right after finishing the previous one, in the
2502 * hope that it'll also be executed right afterwards,
2503 * effectively extending the old one.
2504 * If there's no minimum time left, just add it to the
2507 if (!tmp->hw_begun) {
2508 list_add_tail(&roc->list, &tmp->dependents);
2513 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2514 tmp->hw_start_time +
2515 msecs_to_jiffies(tmp->duration))) {
2518 ieee80211_handle_roc_started(roc);
2520 new_dur = roc->duration -
2521 jiffies_to_msecs(tmp->hw_start_time +
2527 /* add right after tmp */
2528 list_add(&roc->list, &tmp->list);
2530 list_add_tail(&roc->list,
2535 } else if (del_timer_sync(&tmp->work.timer)) {
2536 unsigned long new_end;
2539 * In the software ROC case, cancel the timer, if
2540 * that fails then the finish work is already
2541 * queued/pending and thus we queue the new ROC
2542 * normally, if that succeeds then we can extend
2543 * the timer duration and TX the frame (if any.)
2546 list_add_tail(&roc->list, &tmp->dependents);
2549 new_end = jiffies + msecs_to_jiffies(roc->duration);
2551 /* ok, it was started & we canceled timer */
2552 if (time_after(new_end, tmp->work.timer.expires))
2553 mod_timer(&tmp->work.timer, new_end);
2555 add_timer(&tmp->work.timer);
2557 ieee80211_handle_roc_started(roc);
2564 list_add_tail(&roc->list, &local->roc_list);
2567 * cookie is either the roc cookie (for normal roc)
2568 * or the SKB (for mgmt TX)
2571 /* local->mtx protects this */
2572 local->roc_cookie_counter++;
2573 roc->cookie = local->roc_cookie_counter;
2574 /* wow, you wrapped 64 bits ... more likely a bug */
2575 if (WARN_ON(roc->cookie == 0)) {
2577 local->roc_cookie_counter++;
2579 *cookie = roc->cookie;
2581 *cookie = (unsigned long)txskb;
2587 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2588 struct wireless_dev *wdev,
2589 struct ieee80211_channel *chan,
2590 unsigned int duration,
2593 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2594 struct ieee80211_local *local = sdata->local;
2597 mutex_lock(&local->mtx);
2598 ret = ieee80211_start_roc_work(local, sdata, chan,
2599 duration, cookie, NULL);
2600 mutex_unlock(&local->mtx);
2605 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2606 u64 cookie, bool mgmt_tx)
2608 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2611 mutex_lock(&local->mtx);
2612 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2613 struct ieee80211_roc_work *dep, *tmp2;
2615 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2616 if (!mgmt_tx && dep->cookie != cookie)
2618 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2620 /* found dependent item -- just remove it */
2621 list_del(&dep->list);
2622 mutex_unlock(&local->mtx);
2624 ieee80211_roc_notify_destroy(dep);
2628 if (!mgmt_tx && roc->cookie != cookie)
2630 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2638 mutex_unlock(&local->mtx);
2643 * We found the item to cancel, so do that. Note that it
2644 * may have dependents, which we also cancel (and send
2645 * the expired signal for.) Not doing so would be quite
2646 * tricky here, but we may need to fix it later.
2649 if (local->ops->remain_on_channel) {
2650 if (found->started) {
2651 ret = drv_cancel_remain_on_channel(local);
2652 if (WARN_ON_ONCE(ret)) {
2653 mutex_unlock(&local->mtx);
2658 list_del(&found->list);
2661 ieee80211_start_next_roc(local);
2662 mutex_unlock(&local->mtx);
2664 ieee80211_roc_notify_destroy(found);
2666 /* work may be pending so use it all the time */
2667 found->abort = true;
2668 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2670 mutex_unlock(&local->mtx);
2672 /* work will clean up etc */
2673 flush_delayed_work(&found->work);
2679 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2680 struct wireless_dev *wdev,
2683 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2684 struct ieee80211_local *local = sdata->local;
2686 return ieee80211_cancel_roc(local, cookie, false);
2689 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2690 struct net_device *dev,
2691 struct cfg80211_chan_def *chandef)
2693 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2694 struct ieee80211_local *local = sdata->local;
2695 unsigned long timeout;
2698 if (!list_empty(&local->roc_list) || local->scanning)
2701 /* whatever, but channel contexts should not complain about that one */
2702 sdata->smps_mode = IEEE80211_SMPS_OFF;
2703 sdata->needed_rx_chains = local->rx_chains;
2704 sdata->radar_required = true;
2706 mutex_lock(&local->iflist_mtx);
2707 err = ieee80211_vif_use_channel(sdata, chandef,
2708 IEEE80211_CHANCTX_SHARED);
2709 mutex_unlock(&local->iflist_mtx);
2713 timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2714 ieee80211_queue_delayed_work(&sdata->local->hw,
2715 &sdata->dfs_cac_timer_work, timeout);
2720 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
2721 struct ieee80211_channel *chan, bool offchan,
2722 unsigned int wait, const u8 *buf, size_t len,
2723 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
2725 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2726 struct ieee80211_local *local = sdata->local;
2727 struct sk_buff *skb;
2728 struct sta_info *sta;
2729 const struct ieee80211_mgmt *mgmt = (void *)buf;
2730 bool need_offchan = false;
2734 if (dont_wait_for_ack)
2735 flags = IEEE80211_TX_CTL_NO_ACK;
2737 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2738 IEEE80211_TX_CTL_REQ_TX_STATUS;
2741 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2743 switch (sdata->vif.type) {
2744 case NL80211_IFTYPE_ADHOC:
2745 if (!sdata->vif.bss_conf.ibss_joined)
2746 need_offchan = true;
2748 #ifdef CONFIG_MAC80211_MESH
2749 case NL80211_IFTYPE_MESH_POINT:
2750 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2751 !sdata->u.mesh.mesh_id_len)
2752 need_offchan = true;
2755 case NL80211_IFTYPE_AP:
2756 case NL80211_IFTYPE_AP_VLAN:
2757 case NL80211_IFTYPE_P2P_GO:
2758 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2759 !ieee80211_vif_is_mesh(&sdata->vif) &&
2760 !rcu_access_pointer(sdata->bss->beacon))
2761 need_offchan = true;
2762 if (!ieee80211_is_action(mgmt->frame_control) ||
2763 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
2766 sta = sta_info_get(sdata, mgmt->da);
2771 case NL80211_IFTYPE_STATION:
2772 case NL80211_IFTYPE_P2P_CLIENT:
2773 if (!sdata->u.mgd.associated)
2774 need_offchan = true;
2776 case NL80211_IFTYPE_P2P_DEVICE:
2777 need_offchan = true;
2783 mutex_lock(&local->mtx);
2785 /* Check if the operating channel is the requested channel */
2786 if (!need_offchan) {
2787 struct ieee80211_chanctx_conf *chanctx_conf;
2790 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2793 need_offchan = chan != chanctx_conf->def.chan;
2795 need_offchan = true;
2799 if (need_offchan && !offchan) {
2804 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2809 skb_reserve(skb, local->hw.extra_tx_headroom);
2811 memcpy(skb_put(skb, len), buf, len);
2813 IEEE80211_SKB_CB(skb)->flags = flags;
2815 skb->dev = sdata->dev;
2817 if (!need_offchan) {
2818 *cookie = (unsigned long) skb;
2819 ieee80211_tx_skb(sdata, skb);
2824 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
2825 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2826 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2827 IEEE80211_SKB_CB(skb)->hw_queue =
2828 local->hw.offchannel_tx_hw_queue;
2830 /* This will handle all kinds of coalescing and immediate TX */
2831 ret = ieee80211_start_roc_work(local, sdata, chan,
2836 mutex_unlock(&local->mtx);
2840 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2841 struct wireless_dev *wdev,
2844 struct ieee80211_local *local = wiphy_priv(wiphy);
2846 return ieee80211_cancel_roc(local, cookie, true);
2849 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2850 struct wireless_dev *wdev,
2851 u16 frame_type, bool reg)
2853 struct ieee80211_local *local = wiphy_priv(wiphy);
2854 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2856 switch (frame_type) {
2857 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2858 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2859 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
2862 ifibss->auth_frame_registrations++;
2864 ifibss->auth_frame_registrations--;
2867 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2869 local->probe_req_reg++;
2871 local->probe_req_reg--;
2873 if (!local->open_count)
2876 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2883 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2885 struct ieee80211_local *local = wiphy_priv(wiphy);
2890 return drv_set_antenna(local, tx_ant, rx_ant);
2893 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2895 struct ieee80211_local *local = wiphy_priv(wiphy);
2897 return drv_get_antenna(local, tx_ant, rx_ant);
2900 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2902 struct ieee80211_local *local = wiphy_priv(wiphy);
2904 return drv_set_ringparam(local, tx, rx);
2907 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2908 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2910 struct ieee80211_local *local = wiphy_priv(wiphy);
2912 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2915 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2916 struct net_device *dev,
2917 struct cfg80211_gtk_rekey_data *data)
2919 struct ieee80211_local *local = wiphy_priv(wiphy);
2920 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2922 if (!local->ops->set_rekey_data)
2925 drv_set_rekey_data(local, sdata, data);
2930 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2932 u8 *pos = (void *)skb_put(skb, 7);
2934 *pos++ = WLAN_EID_EXT_CAPABILITY;
2935 *pos++ = 5; /* len */
2940 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2943 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2945 struct ieee80211_local *local = sdata->local;
2949 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
2952 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2953 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2954 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2955 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2960 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2961 u8 *peer, u8 *bssid)
2963 struct ieee80211_tdls_lnkie *lnkid;
2965 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2967 lnkid->ie_type = WLAN_EID_LINK_ID;
2968 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2970 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2971 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2972 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2976 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2977 u8 *peer, u8 action_code, u8 dialog_token,
2978 u16 status_code, struct sk_buff *skb)
2980 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2981 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
2982 struct ieee80211_tdls_data *tf;
2984 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2986 memcpy(tf->da, peer, ETH_ALEN);
2987 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2988 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2989 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2991 switch (action_code) {
2992 case WLAN_TDLS_SETUP_REQUEST:
2993 tf->category = WLAN_CATEGORY_TDLS;
2994 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2996 skb_put(skb, sizeof(tf->u.setup_req));
2997 tf->u.setup_req.dialog_token = dialog_token;
2998 tf->u.setup_req.capability =
2999 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3001 ieee80211_add_srates_ie(sdata, skb, false, band);
3002 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3003 ieee80211_tdls_add_ext_capab(skb);
3005 case WLAN_TDLS_SETUP_RESPONSE:
3006 tf->category = WLAN_CATEGORY_TDLS;
3007 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3009 skb_put(skb, sizeof(tf->u.setup_resp));
3010 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3011 tf->u.setup_resp.dialog_token = dialog_token;
3012 tf->u.setup_resp.capability =
3013 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3015 ieee80211_add_srates_ie(sdata, skb, false, band);
3016 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3017 ieee80211_tdls_add_ext_capab(skb);
3019 case WLAN_TDLS_SETUP_CONFIRM:
3020 tf->category = WLAN_CATEGORY_TDLS;
3021 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3023 skb_put(skb, sizeof(tf->u.setup_cfm));
3024 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3025 tf->u.setup_cfm.dialog_token = dialog_token;
3027 case WLAN_TDLS_TEARDOWN:
3028 tf->category = WLAN_CATEGORY_TDLS;
3029 tf->action_code = WLAN_TDLS_TEARDOWN;
3031 skb_put(skb, sizeof(tf->u.teardown));
3032 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3034 case WLAN_TDLS_DISCOVERY_REQUEST:
3035 tf->category = WLAN_CATEGORY_TDLS;
3036 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3038 skb_put(skb, sizeof(tf->u.discover_req));
3039 tf->u.discover_req.dialog_token = dialog_token;
3049 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3050 u8 *peer, u8 action_code, u8 dialog_token,
3051 u16 status_code, struct sk_buff *skb)
3053 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3054 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3055 struct ieee80211_mgmt *mgmt;
3057 mgmt = (void *)skb_put(skb, 24);
3058 memset(mgmt, 0, 24);
3059 memcpy(mgmt->da, peer, ETH_ALEN);
3060 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3061 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3063 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3064 IEEE80211_STYPE_ACTION);
3066 switch (action_code) {
3067 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3068 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3069 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3070 mgmt->u.action.u.tdls_discover_resp.action_code =
3071 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3072 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3074 mgmt->u.action.u.tdls_discover_resp.capability =
3075 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3077 ieee80211_add_srates_ie(sdata, skb, false, band);
3078 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3079 ieee80211_tdls_add_ext_capab(skb);
3088 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3089 u8 *peer, u8 action_code, u8 dialog_token,
3090 u16 status_code, const u8 *extra_ies,
3091 size_t extra_ies_len)
3093 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3094 struct ieee80211_local *local = sdata->local;
3095 struct sk_buff *skb = NULL;
3099 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3102 /* make sure we are in managed mode, and associated */
3103 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3104 !sdata->u.mgd.associated)
3107 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3110 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3111 max(sizeof(struct ieee80211_mgmt),
3112 sizeof(struct ieee80211_tdls_data)) +
3113 50 + /* supported rates */
3116 sizeof(struct ieee80211_tdls_lnkie));
3120 skb_reserve(skb, local->hw.extra_tx_headroom);
3122 switch (action_code) {
3123 case WLAN_TDLS_SETUP_REQUEST:
3124 case WLAN_TDLS_SETUP_RESPONSE:
3125 case WLAN_TDLS_SETUP_CONFIRM:
3126 case WLAN_TDLS_TEARDOWN:
3127 case WLAN_TDLS_DISCOVERY_REQUEST:
3128 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3129 action_code, dialog_token,
3131 send_direct = false;
3133 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3134 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3135 dialog_token, status_code,
3148 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3150 /* the TDLS link IE is always added last */
3151 switch (action_code) {
3152 case WLAN_TDLS_SETUP_REQUEST:
3153 case WLAN_TDLS_SETUP_CONFIRM:
3154 case WLAN_TDLS_TEARDOWN:
3155 case WLAN_TDLS_DISCOVERY_REQUEST:
3156 /* we are the initiator */
3157 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3158 sdata->u.mgd.bssid);
3160 case WLAN_TDLS_SETUP_RESPONSE:
3161 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3162 /* we are the responder */
3163 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3164 sdata->u.mgd.bssid);
3172 ieee80211_tx_skb(sdata, skb);
3177 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3178 * we should default to AC_VI.
3180 switch (action_code) {
3181 case WLAN_TDLS_SETUP_REQUEST:
3182 case WLAN_TDLS_SETUP_RESPONSE:
3183 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3187 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3192 /* disable bottom halves when entering the Tx path */
3194 ret = ieee80211_subif_start_xmit(skb, dev);
3204 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3205 u8 *peer, enum nl80211_tdls_operation oper)
3207 struct sta_info *sta;
3208 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3210 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3213 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3216 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
3219 case NL80211_TDLS_ENABLE_LINK:
3221 sta = sta_info_get(sdata, peer);
3227 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
3230 case NL80211_TDLS_DISABLE_LINK:
3231 return sta_info_destroy_addr(sdata, peer);
3232 case NL80211_TDLS_TEARDOWN:
3233 case NL80211_TDLS_SETUP:
3234 case NL80211_TDLS_DISCOVERY_REQ:
3235 /* We don't support in-driver setup/teardown/discovery */
3244 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3245 const u8 *peer, u64 *cookie)
3247 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3248 struct ieee80211_local *local = sdata->local;
3249 struct ieee80211_qos_hdr *nullfunc;
3250 struct sk_buff *skb;
3251 int size = sizeof(*nullfunc);
3254 struct ieee80211_tx_info *info;
3255 struct sta_info *sta;
3256 struct ieee80211_chanctx_conf *chanctx_conf;
3257 enum ieee80211_band band;
3260 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3261 if (WARN_ON(!chanctx_conf)) {
3265 band = chanctx_conf->def.chan->band;
3266 sta = sta_info_get(sdata, peer);
3268 qos = test_sta_flag(sta, WLAN_STA_WME);
3275 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3276 IEEE80211_STYPE_QOS_NULLFUNC |
3277 IEEE80211_FCTL_FROMDS);
3280 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3281 IEEE80211_STYPE_NULLFUNC |
3282 IEEE80211_FCTL_FROMDS);
3285 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3293 skb_reserve(skb, local->hw.extra_tx_headroom);
3295 nullfunc = (void *) skb_put(skb, size);
3296 nullfunc->frame_control = fc;
3297 nullfunc->duration_id = 0;
3298 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3299 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3300 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3301 nullfunc->seq_ctrl = 0;
3303 info = IEEE80211_SKB_CB(skb);
3305 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3306 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3308 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3311 nullfunc->qos_ctrl = cpu_to_le16(7);
3314 ieee80211_xmit(sdata, skb, band);
3318 *cookie = (unsigned long) skb;
3322 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3323 struct wireless_dev *wdev,
3324 struct cfg80211_chan_def *chandef)
3326 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3327 struct ieee80211_local *local = wiphy_priv(wiphy);
3328 struct ieee80211_chanctx_conf *chanctx_conf;
3332 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3334 *chandef = chanctx_conf->def;
3336 } else if (local->open_count > 0 &&
3337 local->open_count == local->monitors &&
3338 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3339 if (local->use_chanctx)
3340 *chandef = local->monitor_chandef;
3342 cfg80211_chandef_create(chandef,
3343 local->_oper_channel,
3344 local->_oper_channel_type);
3353 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3355 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3359 struct cfg80211_ops mac80211_config_ops = {
3360 .add_virtual_intf = ieee80211_add_iface,
3361 .del_virtual_intf = ieee80211_del_iface,
3362 .change_virtual_intf = ieee80211_change_iface,
3363 .start_p2p_device = ieee80211_start_p2p_device,
3364 .stop_p2p_device = ieee80211_stop_p2p_device,
3365 .add_key = ieee80211_add_key,
3366 .del_key = ieee80211_del_key,
3367 .get_key = ieee80211_get_key,
3368 .set_default_key = ieee80211_config_default_key,
3369 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3370 .start_ap = ieee80211_start_ap,
3371 .change_beacon = ieee80211_change_beacon,
3372 .stop_ap = ieee80211_stop_ap,
3373 .add_station = ieee80211_add_station,
3374 .del_station = ieee80211_del_station,
3375 .change_station = ieee80211_change_station,
3376 .get_station = ieee80211_get_station,
3377 .dump_station = ieee80211_dump_station,
3378 .dump_survey = ieee80211_dump_survey,
3379 #ifdef CONFIG_MAC80211_MESH
3380 .add_mpath = ieee80211_add_mpath,
3381 .del_mpath = ieee80211_del_mpath,
3382 .change_mpath = ieee80211_change_mpath,
3383 .get_mpath = ieee80211_get_mpath,
3384 .dump_mpath = ieee80211_dump_mpath,
3385 .update_mesh_config = ieee80211_update_mesh_config,
3386 .get_mesh_config = ieee80211_get_mesh_config,
3387 .join_mesh = ieee80211_join_mesh,
3388 .leave_mesh = ieee80211_leave_mesh,
3390 .change_bss = ieee80211_change_bss,
3391 .set_txq_params = ieee80211_set_txq_params,
3392 .set_monitor_channel = ieee80211_set_monitor_channel,
3393 .suspend = ieee80211_suspend,
3394 .resume = ieee80211_resume,
3395 .scan = ieee80211_scan,
3396 .sched_scan_start = ieee80211_sched_scan_start,
3397 .sched_scan_stop = ieee80211_sched_scan_stop,
3398 .auth = ieee80211_auth,
3399 .assoc = ieee80211_assoc,
3400 .deauth = ieee80211_deauth,
3401 .disassoc = ieee80211_disassoc,
3402 .join_ibss = ieee80211_join_ibss,
3403 .leave_ibss = ieee80211_leave_ibss,
3404 .set_mcast_rate = ieee80211_set_mcast_rate,
3405 .set_wiphy_params = ieee80211_set_wiphy_params,
3406 .set_tx_power = ieee80211_set_tx_power,
3407 .get_tx_power = ieee80211_get_tx_power,
3408 .set_wds_peer = ieee80211_set_wds_peer,
3409 .rfkill_poll = ieee80211_rfkill_poll,
3410 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3411 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3412 .set_power_mgmt = ieee80211_set_power_mgmt,
3413 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3414 .remain_on_channel = ieee80211_remain_on_channel,
3415 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3416 .mgmt_tx = ieee80211_mgmt_tx,
3417 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3418 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3419 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3420 .set_antenna = ieee80211_set_antenna,
3421 .get_antenna = ieee80211_get_antenna,
3422 .set_ringparam = ieee80211_set_ringparam,
3423 .get_ringparam = ieee80211_get_ringparam,
3424 .set_rekey_data = ieee80211_set_rekey_data,
3425 .tdls_oper = ieee80211_tdls_oper,
3426 .tdls_mgmt = ieee80211_tdls_mgmt,
3427 .probe_client = ieee80211_probe_client,
3428 .set_noack_map = ieee80211_set_noack_map,
3430 .set_wakeup = ieee80211_set_wakeup,
3432 .get_et_sset_count = ieee80211_get_et_sset_count,
3433 .get_et_stats = ieee80211_get_et_stats,
3434 .get_et_strings = ieee80211_get_et_strings,
3435 .get_channel = ieee80211_cfg_get_channel,
3436 .start_radar_detection = ieee80211_start_radar_detection,