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)) {
76 u32 mask = MONITOR_FLAG_COOK_FRAMES |
80 * Prohibit MONITOR_FLAG_COOK_FRAMES and
81 * MONITOR_FLAG_ACTIVE to be changed while the
83 * Else we would need to add a lot of cruft
84 * to update everything:
85 * cooked_mntrs, monitor and all fif_* counters
86 * reconfigure hardware
88 if ((*flags & mask) != (sdata->u.mntr_flags & mask))
91 ieee80211_adjust_monitor_flags(sdata, -1);
92 sdata->u.mntr_flags = *flags;
93 ieee80211_adjust_monitor_flags(sdata, 1);
95 ieee80211_configure_filter(local);
98 * Because the interface is down, ieee80211_do_stop
99 * and ieee80211_do_open take care of "everything"
100 * mentioned in the comment above.
102 sdata->u.mntr_flags = *flags;
109 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
110 struct wireless_dev *wdev)
112 return ieee80211_do_open(wdev, true);
115 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
116 struct wireless_dev *wdev)
118 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
121 static int ieee80211_set_noack_map(struct wiphy *wiphy,
122 struct net_device *dev,
125 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
127 sdata->noack_map = noack_map;
131 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
132 u8 key_idx, bool pairwise, const u8 *mac_addr,
133 struct key_params *params)
135 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
136 struct ieee80211_local *local = sdata->local;
137 struct sta_info *sta = NULL;
138 const struct ieee80211_cipher_scheme *cs = NULL;
139 struct ieee80211_key *key;
142 if (!ieee80211_sdata_running(sdata))
145 /* reject WEP and TKIP keys if WEP failed to initialize */
146 switch (params->cipher) {
147 case WLAN_CIPHER_SUITE_WEP40:
148 case WLAN_CIPHER_SUITE_TKIP:
149 case WLAN_CIPHER_SUITE_WEP104:
150 if (IS_ERR(local->wep_tx_tfm))
153 case WLAN_CIPHER_SUITE_CCMP:
154 case WLAN_CIPHER_SUITE_AES_CMAC:
155 case WLAN_CIPHER_SUITE_GCMP:
158 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
162 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
163 params->key, params->seq_len, params->seq,
169 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
171 mutex_lock(&local->sta_mtx);
174 if (ieee80211_vif_is_mesh(&sdata->vif))
175 sta = sta_info_get(sdata, mac_addr);
177 sta = sta_info_get_bss(sdata, mac_addr);
179 * The ASSOC test makes sure the driver is ready to
180 * receive the key. When wpa_supplicant has roamed
181 * using FT, it attempts to set the key before
182 * association has completed, this rejects that attempt
183 * so it will set the key again after assocation.
185 * TODO: accept the key if we have a station entry and
186 * add it to the device after the station.
188 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
189 ieee80211_key_free_unused(key);
195 switch (sdata->vif.type) {
196 case NL80211_IFTYPE_STATION:
197 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
198 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
200 case NL80211_IFTYPE_AP:
201 case NL80211_IFTYPE_AP_VLAN:
202 /* Keys without a station are used for TX only */
203 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
204 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
206 case NL80211_IFTYPE_ADHOC:
209 case NL80211_IFTYPE_MESH_POINT:
210 #ifdef CONFIG_MAC80211_MESH
211 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
212 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
215 case NL80211_IFTYPE_WDS:
216 case NL80211_IFTYPE_MONITOR:
217 case NL80211_IFTYPE_P2P_DEVICE:
218 case NL80211_IFTYPE_UNSPECIFIED:
219 case NUM_NL80211_IFTYPES:
220 case NL80211_IFTYPE_P2P_CLIENT:
221 case NL80211_IFTYPE_P2P_GO:
222 /* shouldn't happen */
228 sta->cipher_scheme = cs;
230 err = ieee80211_key_link(key, sdata, sta);
233 mutex_unlock(&local->sta_mtx);
238 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
239 u8 key_idx, bool pairwise, const u8 *mac_addr)
241 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
242 struct ieee80211_local *local = sdata->local;
243 struct sta_info *sta;
244 struct ieee80211_key *key = NULL;
247 mutex_lock(&local->sta_mtx);
248 mutex_lock(&local->key_mtx);
253 sta = sta_info_get_bss(sdata, mac_addr);
258 key = key_mtx_dereference(local, sta->ptk[key_idx]);
260 key = key_mtx_dereference(local, sta->gtk[key_idx]);
262 key = key_mtx_dereference(local, sdata->keys[key_idx]);
269 ieee80211_key_free(key, true);
273 mutex_unlock(&local->key_mtx);
274 mutex_unlock(&local->sta_mtx);
279 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
280 u8 key_idx, bool pairwise, const u8 *mac_addr,
282 void (*callback)(void *cookie,
283 struct key_params *params))
285 struct ieee80211_sub_if_data *sdata;
286 struct sta_info *sta = NULL;
288 struct key_params params;
289 struct ieee80211_key *key = NULL;
295 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
300 sta = sta_info_get_bss(sdata, mac_addr);
305 key = rcu_dereference(sta->ptk[key_idx]);
306 else if (key_idx < NUM_DEFAULT_KEYS)
307 key = rcu_dereference(sta->gtk[key_idx]);
309 key = rcu_dereference(sdata->keys[key_idx]);
314 memset(¶ms, 0, sizeof(params));
316 params.cipher = key->conf.cipher;
318 switch (key->conf.cipher) {
319 case WLAN_CIPHER_SUITE_TKIP:
320 iv32 = key->u.tkip.tx.iv32;
321 iv16 = key->u.tkip.tx.iv16;
323 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
324 drv_get_tkip_seq(sdata->local,
325 key->conf.hw_key_idx,
328 seq[0] = iv16 & 0xff;
329 seq[1] = (iv16 >> 8) & 0xff;
330 seq[2] = iv32 & 0xff;
331 seq[3] = (iv32 >> 8) & 0xff;
332 seq[4] = (iv32 >> 16) & 0xff;
333 seq[5] = (iv32 >> 24) & 0xff;
337 case WLAN_CIPHER_SUITE_CCMP:
338 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
348 case WLAN_CIPHER_SUITE_AES_CMAC:
349 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
361 params.key = key->conf.key;
362 params.key_len = key->conf.keylen;
364 callback(cookie, ¶ms);
372 static int ieee80211_config_default_key(struct wiphy *wiphy,
373 struct net_device *dev,
374 u8 key_idx, bool uni,
377 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
379 ieee80211_set_default_key(sdata, key_idx, uni, multi);
384 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
385 struct net_device *dev,
388 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
390 ieee80211_set_default_mgmt_key(sdata, key_idx);
395 void sta_set_rate_info_tx(struct sta_info *sta,
396 const struct ieee80211_tx_rate *rate,
397 struct rate_info *rinfo)
400 if (rate->flags & IEEE80211_TX_RC_MCS) {
401 rinfo->flags |= RATE_INFO_FLAGS_MCS;
402 rinfo->mcs = rate->idx;
403 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
404 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
405 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
406 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
408 struct ieee80211_supported_band *sband;
409 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
412 sband = sta->local->hw.wiphy->bands[
413 ieee80211_get_sdata_band(sta->sdata)];
414 brate = sband->bitrates[rate->idx].bitrate;
415 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
417 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
418 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
419 if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
420 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
421 if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
422 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
423 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
424 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
427 void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
431 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
432 rinfo->flags |= RATE_INFO_FLAGS_MCS;
433 rinfo->mcs = sta->last_rx_rate_idx;
434 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
435 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
436 rinfo->nss = sta->last_rx_rate_vht_nss;
437 rinfo->mcs = sta->last_rx_rate_idx;
439 struct ieee80211_supported_band *sband;
440 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
443 sband = sta->local->hw.wiphy->bands[
444 ieee80211_get_sdata_band(sta->sdata)];
445 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
446 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
449 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
450 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
451 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
452 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
453 if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
454 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
455 if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
456 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
457 if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
458 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
461 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
463 struct ieee80211_sub_if_data *sdata = sta->sdata;
464 struct ieee80211_local *local = sdata->local;
465 struct timespec uptime;
469 sinfo->generation = sdata->local->sta_generation;
471 sinfo->filled = STATION_INFO_INACTIVE_TIME |
472 STATION_INFO_RX_BYTES64 |
473 STATION_INFO_TX_BYTES64 |
474 STATION_INFO_RX_PACKETS |
475 STATION_INFO_TX_PACKETS |
476 STATION_INFO_TX_RETRIES |
477 STATION_INFO_TX_FAILED |
478 STATION_INFO_TX_BITRATE |
479 STATION_INFO_RX_BITRATE |
480 STATION_INFO_RX_DROP_MISC |
481 STATION_INFO_BSS_PARAM |
482 STATION_INFO_CONNECTED_TIME |
483 STATION_INFO_STA_FLAGS |
484 STATION_INFO_BEACON_LOSS_COUNT;
486 do_posix_clock_monotonic_gettime(&uptime);
487 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
489 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
491 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
492 sinfo->tx_bytes += sta->tx_bytes[ac];
493 packets += sta->tx_packets[ac];
495 sinfo->tx_packets = packets;
496 sinfo->rx_bytes = sta->rx_bytes;
497 sinfo->rx_packets = sta->rx_packets;
498 sinfo->tx_retries = sta->tx_retry_count;
499 sinfo->tx_failed = sta->tx_retry_failed;
500 sinfo->rx_dropped_misc = sta->rx_dropped;
501 sinfo->beacon_loss_count = sta->beacon_loss_count;
503 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
504 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
505 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
506 if (!local->ops->get_rssi ||
507 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
508 sinfo->signal = (s8)sta->last_signal;
509 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
512 sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
513 STATION_INFO_CHAIN_SIGNAL_AVG;
515 sinfo->chains = sta->chains;
516 for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
517 sinfo->chain_signal[i] = sta->chain_signal_last[i];
518 sinfo->chain_signal_avg[i] =
519 (s8) -ewma_read(&sta->chain_signal_avg[i]);
523 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
524 sta_set_rate_info_rx(sta, &sinfo->rxrate);
526 if (ieee80211_vif_is_mesh(&sdata->vif)) {
527 #ifdef CONFIG_MAC80211_MESH
528 sinfo->filled |= STATION_INFO_LLID |
530 STATION_INFO_PLINK_STATE |
531 STATION_INFO_LOCAL_PM |
532 STATION_INFO_PEER_PM |
533 STATION_INFO_NONPEER_PM;
535 sinfo->llid = sta->llid;
536 sinfo->plid = sta->plid;
537 sinfo->plink_state = sta->plink_state;
538 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
539 sinfo->filled |= STATION_INFO_T_OFFSET;
540 sinfo->t_offset = sta->t_offset;
542 sinfo->local_pm = sta->local_pm;
543 sinfo->peer_pm = sta->peer_pm;
544 sinfo->nonpeer_pm = sta->nonpeer_pm;
548 sinfo->bss_param.flags = 0;
549 if (sdata->vif.bss_conf.use_cts_prot)
550 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
551 if (sdata->vif.bss_conf.use_short_preamble)
552 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
553 if (sdata->vif.bss_conf.use_short_slot)
554 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
555 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
556 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
558 sinfo->sta_flags.set = 0;
559 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
560 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
561 BIT(NL80211_STA_FLAG_WME) |
562 BIT(NL80211_STA_FLAG_MFP) |
563 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
564 BIT(NL80211_STA_FLAG_ASSOCIATED) |
565 BIT(NL80211_STA_FLAG_TDLS_PEER);
566 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
567 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
568 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
569 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
570 if (test_sta_flag(sta, WLAN_STA_WME))
571 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
572 if (test_sta_flag(sta, WLAN_STA_MFP))
573 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
574 if (test_sta_flag(sta, WLAN_STA_AUTH))
575 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
576 if (test_sta_flag(sta, WLAN_STA_ASSOC))
577 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
578 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
579 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
582 static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
583 "rx_packets", "rx_bytes", "wep_weak_iv_count",
584 "rx_duplicates", "rx_fragments", "rx_dropped",
585 "tx_packets", "tx_bytes", "tx_fragments",
586 "tx_filtered", "tx_retry_failed", "tx_retries",
587 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
588 "channel", "noise", "ch_time", "ch_time_busy",
589 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
591 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
593 static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
594 struct net_device *dev,
597 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
600 if (sset == ETH_SS_STATS)
603 rv += drv_get_et_sset_count(sdata, sset);
610 static void ieee80211_get_et_stats(struct wiphy *wiphy,
611 struct net_device *dev,
612 struct ethtool_stats *stats,
615 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
616 struct ieee80211_chanctx_conf *chanctx_conf;
617 struct ieee80211_channel *channel;
618 struct sta_info *sta;
619 struct ieee80211_local *local = sdata->local;
620 struct station_info sinfo;
621 struct survey_info survey;
623 #define STA_STATS_SURVEY_LEN 7
625 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
627 #define ADD_STA_STATS(sta) \
629 data[i++] += sta->rx_packets; \
630 data[i++] += sta->rx_bytes; \
631 data[i++] += sta->wep_weak_iv_count; \
632 data[i++] += sta->num_duplicates; \
633 data[i++] += sta->rx_fragments; \
634 data[i++] += sta->rx_dropped; \
636 data[i++] += sinfo.tx_packets; \
637 data[i++] += sinfo.tx_bytes; \
638 data[i++] += sta->tx_fragments; \
639 data[i++] += sta->tx_filtered_count; \
640 data[i++] += sta->tx_retry_failed; \
641 data[i++] += sta->tx_retry_count; \
642 data[i++] += sta->beacon_loss_count; \
645 /* For Managed stations, find the single station based on BSSID
646 * and use that. For interface types, iterate through all available
647 * stations and add stats for any station that is assigned to this
651 mutex_lock(&local->sta_mtx);
653 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
654 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
656 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
660 sta_set_sinfo(sta, &sinfo);
665 data[i++] = sta->sta_state;
668 if (sinfo.filled & STATION_INFO_TX_BITRATE)
670 cfg80211_calculate_bitrate(&sinfo.txrate);
672 if (sinfo.filled & STATION_INFO_RX_BITRATE)
674 cfg80211_calculate_bitrate(&sinfo.rxrate);
677 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
678 data[i] = (u8)sinfo.signal_avg;
681 list_for_each_entry(sta, &local->sta_list, list) {
682 /* Make sure this station belongs to the proper dev */
683 if (sta->sdata->dev != dev)
687 sta_set_sinfo(sta, &sinfo);
694 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
695 /* Get survey stats for current channel */
699 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
701 channel = chanctx_conf->def.chan;
710 if (drv_get_survey(local, q, &survey) != 0) {
715 } while (channel != survey.channel);
719 data[i++] = survey.channel->center_freq;
722 if (survey.filled & SURVEY_INFO_NOISE_DBM)
723 data[i++] = (u8)survey.noise;
726 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
727 data[i++] = survey.channel_time;
730 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
731 data[i++] = survey.channel_time_busy;
734 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
735 data[i++] = survey.channel_time_ext_busy;
738 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
739 data[i++] = survey.channel_time_rx;
742 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
743 data[i++] = survey.channel_time_tx;
747 mutex_unlock(&local->sta_mtx);
749 if (WARN_ON(i != STA_STATS_LEN))
752 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
755 static void ieee80211_get_et_strings(struct wiphy *wiphy,
756 struct net_device *dev,
759 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
760 int sz_sta_stats = 0;
762 if (sset == ETH_SS_STATS) {
763 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
764 memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats);
766 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
769 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
770 int idx, u8 *mac, struct station_info *sinfo)
772 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
773 struct ieee80211_local *local = sdata->local;
774 struct sta_info *sta;
777 mutex_lock(&local->sta_mtx);
779 sta = sta_info_get_by_idx(sdata, idx);
782 memcpy(mac, sta->sta.addr, ETH_ALEN);
783 sta_set_sinfo(sta, sinfo);
786 mutex_unlock(&local->sta_mtx);
791 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
792 int idx, struct survey_info *survey)
794 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
796 return drv_get_survey(local, idx, survey);
799 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
800 u8 *mac, struct station_info *sinfo)
802 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
803 struct ieee80211_local *local = sdata->local;
804 struct sta_info *sta;
807 mutex_lock(&local->sta_mtx);
809 sta = sta_info_get_bss(sdata, mac);
812 sta_set_sinfo(sta, sinfo);
815 mutex_unlock(&local->sta_mtx);
820 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
821 struct cfg80211_chan_def *chandef)
823 struct ieee80211_local *local = wiphy_priv(wiphy);
824 struct ieee80211_sub_if_data *sdata;
827 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
830 mutex_lock(&local->iflist_mtx);
831 if (local->use_chanctx) {
832 sdata = rcu_dereference_protected(
833 local->monitor_sdata,
834 lockdep_is_held(&local->iflist_mtx));
836 ieee80211_vif_release_channel(sdata);
837 ret = ieee80211_vif_use_channel(sdata, chandef,
838 IEEE80211_CHANCTX_EXCLUSIVE);
840 } else if (local->open_count == local->monitors) {
841 local->_oper_chandef = *chandef;
842 ieee80211_hw_config(local, 0);
846 local->monitor_chandef = *chandef;
847 mutex_unlock(&local->iflist_mtx);
852 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
853 const u8 *resp, size_t resp_len)
855 struct probe_resp *new, *old;
857 if (!resp || !resp_len)
860 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
862 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
867 memcpy(new->data, resp, resp_len);
869 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
871 kfree_rcu(old, rcu_head);
876 int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
877 struct cfg80211_beacon_data *params)
879 struct beacon_data *new, *old;
880 int new_head_len, new_tail_len;
882 u32 changed = BSS_CHANGED_BEACON;
884 old = sdata_dereference(sdata->u.ap.beacon, sdata);
887 /* Need to have a beacon head if we don't have one yet */
888 if (!params->head && !old)
891 /* new or old head? */
893 new_head_len = params->head_len;
895 new_head_len = old->head_len;
897 /* new or old tail? */
898 if (params->tail || !old)
899 /* params->tail_len will be zero for !params->tail */
900 new_tail_len = params->tail_len;
902 new_tail_len = old->tail_len;
904 size = sizeof(*new) + new_head_len + new_tail_len;
906 new = kzalloc(size, GFP_KERNEL);
910 /* start filling the new info now */
913 * pointers go into the block we allocated,
914 * memory is | beacon_data | head | tail |
916 new->head = ((u8 *) new) + sizeof(*new);
917 new->tail = new->head + new_head_len;
918 new->head_len = new_head_len;
919 new->tail_len = new_tail_len;
923 memcpy(new->head, params->head, new_head_len);
925 memcpy(new->head, old->head, new_head_len);
927 /* copy in optional tail */
929 memcpy(new->tail, params->tail, new_tail_len);
932 memcpy(new->tail, old->tail, new_tail_len);
934 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
935 params->probe_resp_len);
939 changed |= BSS_CHANGED_AP_PROBE_RESP;
941 rcu_assign_pointer(sdata->u.ap.beacon, new);
944 kfree_rcu(old, rcu_head);
949 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
950 struct cfg80211_ap_settings *params)
952 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
953 struct beacon_data *old;
954 struct ieee80211_sub_if_data *vlan;
955 u32 changed = BSS_CHANGED_BEACON_INT |
956 BSS_CHANGED_BEACON_ENABLED |
962 old = sdata_dereference(sdata->u.ap.beacon, sdata);
966 /* TODO: make hostapd tell us what it wants */
967 sdata->smps_mode = IEEE80211_SMPS_OFF;
968 sdata->needed_rx_chains = sdata->local->rx_chains;
969 sdata->radar_required = params->radar_required;
971 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
972 IEEE80211_CHANCTX_SHARED);
975 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
978 * Apply control port protocol, this allows us to
979 * not encrypt dynamic WEP control frames.
981 sdata->control_port_protocol = params->crypto.control_port_ethertype;
982 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
983 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
987 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
988 vlan->control_port_protocol =
989 params->crypto.control_port_ethertype;
990 vlan->control_port_no_encrypt =
991 params->crypto.control_port_no_encrypt;
992 vlan->encrypt_headroom =
993 ieee80211_cs_headroom(sdata->local,
998 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
999 sdata->vif.bss_conf.dtim_period = params->dtim_period;
1000 sdata->vif.bss_conf.enable_beacon = true;
1002 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1003 if (params->ssid_len)
1004 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1006 sdata->vif.bss_conf.hidden_ssid =
1007 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1009 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1010 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1011 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1012 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1013 if (params->p2p_opp_ps)
1014 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1015 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1017 err = ieee80211_assign_beacon(sdata, ¶ms->beacon);
1022 err = drv_start_ap(sdata->local, sdata);
1024 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1027 kfree_rcu(old, rcu_head);
1028 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1032 ieee80211_bss_info_change_notify(sdata, changed);
1034 netif_carrier_on(dev);
1035 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1036 netif_carrier_on(vlan->dev);
1041 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1042 struct cfg80211_beacon_data *params)
1044 struct ieee80211_sub_if_data *sdata;
1045 struct beacon_data *old;
1048 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1050 /* don't allow changing the beacon while CSA is in place - offset
1051 * of channel switch counter may change
1053 if (sdata->vif.csa_active)
1056 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1060 err = ieee80211_assign_beacon(sdata, params);
1063 ieee80211_bss_info_change_notify(sdata, err);
1067 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1069 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1070 struct ieee80211_sub_if_data *vlan;
1071 struct ieee80211_local *local = sdata->local;
1072 struct beacon_data *old_beacon;
1073 struct probe_resp *old_probe_resp;
1074 struct cfg80211_chan_def chandef;
1076 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1079 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1081 /* abort any running channel switch */
1082 sdata->vif.csa_active = false;
1083 cancel_work_sync(&sdata->csa_finalize_work);
1084 cancel_work_sync(&sdata->u.ap.request_smps_work);
1086 /* turn off carrier for this interface and dependent VLANs */
1087 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1088 netif_carrier_off(vlan->dev);
1089 netif_carrier_off(dev);
1091 /* remove beacon and probe response */
1092 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1093 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1094 kfree_rcu(old_beacon, rcu_head);
1096 kfree_rcu(old_probe_resp, rcu_head);
1098 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1099 sta_info_flush_defer(vlan);
1100 sta_info_flush_defer(sdata);
1103 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1104 sta_info_flush_cleanup(vlan);
1105 ieee80211_free_keys(vlan);
1107 sta_info_flush_cleanup(sdata);
1108 ieee80211_free_keys(sdata);
1110 sdata->vif.bss_conf.enable_beacon = false;
1111 sdata->vif.bss_conf.ssid_len = 0;
1112 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1113 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1115 if (sdata->wdev.cac_started) {
1116 chandef = sdata->vif.bss_conf.chandef;
1117 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1118 cfg80211_cac_event(sdata->dev, &chandef,
1119 NL80211_RADAR_CAC_ABORTED,
1123 drv_stop_ap(sdata->local, sdata);
1125 /* free all potentially still buffered bcast frames */
1126 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1127 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1129 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1130 ieee80211_vif_release_channel(sdata);
1135 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1136 struct iapp_layer2_update {
1137 u8 da[ETH_ALEN]; /* broadcast */
1138 u8 sa[ETH_ALEN]; /* STA addr */
1146 static void ieee80211_send_layer2_update(struct sta_info *sta)
1148 struct iapp_layer2_update *msg;
1149 struct sk_buff *skb;
1151 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1154 skb = dev_alloc_skb(sizeof(*msg));
1157 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1159 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1160 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1162 eth_broadcast_addr(msg->da);
1163 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
1164 msg->len = htons(6);
1166 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1167 msg->control = 0xaf; /* XID response lsb.1111F101.
1168 * F=0 (no poll command; unsolicited frame) */
1169 msg->xid_info[0] = 0x81; /* XID format identifier */
1170 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1171 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1173 skb->dev = sta->sdata->dev;
1174 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
1175 memset(skb->cb, 0, sizeof(skb->cb));
1179 static int sta_apply_auth_flags(struct ieee80211_local *local,
1180 struct sta_info *sta,
1185 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1186 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1187 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1188 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1193 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1194 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1195 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1196 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1201 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1202 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1203 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1204 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1205 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1212 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1213 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1214 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1215 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1220 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1221 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1222 test_sta_flag(sta, WLAN_STA_AUTH)) {
1223 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1231 static int sta_apply_parameters(struct ieee80211_local *local,
1232 struct sta_info *sta,
1233 struct station_parameters *params)
1236 struct ieee80211_supported_band *sband;
1237 struct ieee80211_sub_if_data *sdata = sta->sdata;
1238 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1241 sband = local->hw.wiphy->bands[band];
1243 mask = params->sta_flags_mask;
1244 set = params->sta_flags_set;
1246 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1248 * In mesh mode, ASSOCIATED isn't part of the nl80211
1249 * API but must follow AUTHENTICATED for driver state.
1251 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1252 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1253 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1254 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1255 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1257 * TDLS -- everything follows authorized, but
1258 * only becoming authorized is possible, not
1261 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1262 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1263 BIT(NL80211_STA_FLAG_ASSOCIATED);
1264 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1265 BIT(NL80211_STA_FLAG_ASSOCIATED);
1269 ret = sta_apply_auth_flags(local, sta, mask, set);
1273 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1274 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1275 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1277 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1280 if (mask & BIT(NL80211_STA_FLAG_WME)) {
1281 if (set & BIT(NL80211_STA_FLAG_WME)) {
1282 set_sta_flag(sta, WLAN_STA_WME);
1283 sta->sta.wme = true;
1285 clear_sta_flag(sta, WLAN_STA_WME);
1286 sta->sta.wme = false;
1290 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1291 if (set & BIT(NL80211_STA_FLAG_MFP))
1292 set_sta_flag(sta, WLAN_STA_MFP);
1294 clear_sta_flag(sta, WLAN_STA_MFP);
1297 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1298 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1299 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1301 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1304 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1305 sta->sta.uapsd_queues = params->uapsd_queues;
1306 sta->sta.max_sp = params->max_sp;
1310 * cfg80211 validates this (1-2007) and allows setting the AID
1311 * only when creating a new station entry
1314 sta->sta.aid = params->aid;
1317 * Some of the following updates would be racy if called on an
1318 * existing station, via ieee80211_change_station(). However,
1319 * all such changes are rejected by cfg80211 except for updates
1320 * changing the supported rates on an existing but not yet used
1324 if (params->listen_interval >= 0)
1325 sta->listen_interval = params->listen_interval;
1327 if (params->supported_rates) {
1328 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1329 sband, params->supported_rates,
1330 params->supported_rates_len,
1331 &sta->sta.supp_rates[band]);
1334 if (params->ht_capa)
1335 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1336 params->ht_capa, sta);
1338 if (params->vht_capa)
1339 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1340 params->vht_capa, sta);
1342 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1343 #ifdef CONFIG_MAC80211_MESH
1346 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1347 switch (params->plink_state) {
1348 case NL80211_PLINK_ESTAB:
1349 if (sta->plink_state != NL80211_PLINK_ESTAB)
1350 changed = mesh_plink_inc_estab_count(
1352 sta->plink_state = params->plink_state;
1354 ieee80211_mps_sta_status_update(sta);
1355 changed |= ieee80211_mps_set_sta_local_pm(sta,
1356 sdata->u.mesh.mshcfg.power_mode);
1358 case NL80211_PLINK_LISTEN:
1359 case NL80211_PLINK_BLOCKED:
1360 case NL80211_PLINK_OPN_SNT:
1361 case NL80211_PLINK_OPN_RCVD:
1362 case NL80211_PLINK_CNF_RCVD:
1363 case NL80211_PLINK_HOLDING:
1364 if (sta->plink_state == NL80211_PLINK_ESTAB)
1365 changed = mesh_plink_dec_estab_count(
1367 sta->plink_state = params->plink_state;
1369 ieee80211_mps_sta_status_update(sta);
1370 changed |= ieee80211_mps_set_sta_local_pm(sta,
1371 NL80211_MESH_POWER_UNKNOWN);
1379 switch (params->plink_action) {
1380 case NL80211_PLINK_ACTION_NO_ACTION:
1383 case NL80211_PLINK_ACTION_OPEN:
1384 changed |= mesh_plink_open(sta);
1386 case NL80211_PLINK_ACTION_BLOCK:
1387 changed |= mesh_plink_block(sta);
1391 if (params->local_pm)
1393 ieee80211_mps_set_sta_local_pm(sta,
1395 ieee80211_bss_info_change_notify(sdata, changed);
1402 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1403 u8 *mac, struct station_parameters *params)
1405 struct ieee80211_local *local = wiphy_priv(wiphy);
1406 struct sta_info *sta;
1407 struct ieee80211_sub_if_data *sdata;
1412 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1414 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1415 sdata->vif.type != NL80211_IFTYPE_AP)
1418 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1420 if (ether_addr_equal(mac, sdata->vif.addr))
1423 if (is_multicast_ether_addr(mac))
1426 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1431 * defaults -- if userspace wants something else we'll
1432 * change it accordingly in sta_apply_parameters()
1434 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1435 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1436 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1439 err = sta_apply_parameters(local, sta, params);
1441 sta_info_free(local, sta);
1446 * for TDLS, rate control should be initialized only when
1447 * rates are known and station is marked authorized
1449 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1450 rate_control_rate_init(sta);
1452 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1453 sdata->vif.type == NL80211_IFTYPE_AP;
1455 err = sta_info_insert_rcu(sta);
1462 ieee80211_send_layer2_update(sta);
1469 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1472 struct ieee80211_sub_if_data *sdata;
1474 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1477 return sta_info_destroy_addr_bss(sdata, mac);
1479 sta_info_flush(sdata);
1483 static int ieee80211_change_station(struct wiphy *wiphy,
1484 struct net_device *dev, u8 *mac,
1485 struct station_parameters *params)
1487 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1488 struct ieee80211_local *local = wiphy_priv(wiphy);
1489 struct sta_info *sta;
1490 struct ieee80211_sub_if_data *vlansdata;
1491 enum cfg80211_station_type statype;
1494 mutex_lock(&local->sta_mtx);
1496 sta = sta_info_get_bss(sdata, mac);
1502 switch (sdata->vif.type) {
1503 case NL80211_IFTYPE_MESH_POINT:
1504 if (sdata->u.mesh.user_mpm)
1505 statype = CFG80211_STA_MESH_PEER_USER;
1507 statype = CFG80211_STA_MESH_PEER_KERNEL;
1509 case NL80211_IFTYPE_ADHOC:
1510 statype = CFG80211_STA_IBSS;
1512 case NL80211_IFTYPE_STATION:
1513 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1514 statype = CFG80211_STA_AP_STA;
1517 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1518 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1520 statype = CFG80211_STA_TDLS_PEER_SETUP;
1522 case NL80211_IFTYPE_AP:
1523 case NL80211_IFTYPE_AP_VLAN:
1524 statype = CFG80211_STA_AP_CLIENT;
1531 err = cfg80211_check_station_change(wiphy, params, statype);
1535 if (params->vlan && params->vlan != sta->sdata->dev) {
1536 bool prev_4addr = false;
1537 bool new_4addr = false;
1539 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1541 if (params->vlan->ieee80211_ptr->use_4addr) {
1542 if (vlansdata->u.vlan.sta) {
1547 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1551 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1552 sta->sdata->u.vlan.sta) {
1553 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1557 sta->sdata = vlansdata;
1559 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1560 prev_4addr != new_4addr) {
1562 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1564 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1567 ieee80211_send_layer2_update(sta);
1570 err = sta_apply_parameters(local, sta, params);
1574 /* When peer becomes authorized, init rate control as well */
1575 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1576 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1577 rate_control_rate_init(sta);
1579 mutex_unlock(&local->sta_mtx);
1581 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1582 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1583 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1584 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1585 sta_info_tx_streams(sta) != 1) {
1587 "%pM just authorized and MIMO capable - update SMPS\n",
1589 ieee80211_send_smps_action(sta->sdata,
1590 sta->sdata->bss->req_smps,
1592 sta->sdata->vif.bss_conf.bssid);
1595 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1596 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1597 ieee80211_recalc_ps(local, -1);
1598 ieee80211_recalc_ps_vif(sdata);
1603 mutex_unlock(&local->sta_mtx);
1607 #ifdef CONFIG_MAC80211_MESH
1608 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1609 u8 *dst, u8 *next_hop)
1611 struct ieee80211_sub_if_data *sdata;
1612 struct mesh_path *mpath;
1613 struct sta_info *sta;
1615 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1618 sta = sta_info_get(sdata, next_hop);
1624 mpath = mesh_path_add(sdata, dst);
1625 if (IS_ERR(mpath)) {
1627 return PTR_ERR(mpath);
1630 mesh_path_fix_nexthop(mpath, sta);
1636 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1639 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1642 return mesh_path_del(sdata, dst);
1644 mesh_path_flush_by_iface(sdata);
1648 static int ieee80211_change_mpath(struct wiphy *wiphy,
1649 struct net_device *dev,
1650 u8 *dst, u8 *next_hop)
1652 struct ieee80211_sub_if_data *sdata;
1653 struct mesh_path *mpath;
1654 struct sta_info *sta;
1656 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1660 sta = sta_info_get(sdata, next_hop);
1666 mpath = mesh_path_lookup(sdata, dst);
1672 mesh_path_fix_nexthop(mpath, sta);
1678 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1679 struct mpath_info *pinfo)
1681 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1684 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1686 memset(next_hop, 0, ETH_ALEN);
1688 memset(pinfo, 0, sizeof(*pinfo));
1690 pinfo->generation = mesh_paths_generation;
1692 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1695 MPATH_INFO_EXPTIME |
1696 MPATH_INFO_DISCOVERY_TIMEOUT |
1697 MPATH_INFO_DISCOVERY_RETRIES |
1700 pinfo->frame_qlen = mpath->frame_queue.qlen;
1701 pinfo->sn = mpath->sn;
1702 pinfo->metric = mpath->metric;
1703 if (time_before(jiffies, mpath->exp_time))
1704 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1705 pinfo->discovery_timeout =
1706 jiffies_to_msecs(mpath->discovery_timeout);
1707 pinfo->discovery_retries = mpath->discovery_retries;
1708 if (mpath->flags & MESH_PATH_ACTIVE)
1709 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1710 if (mpath->flags & MESH_PATH_RESOLVING)
1711 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1712 if (mpath->flags & MESH_PATH_SN_VALID)
1713 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1714 if (mpath->flags & MESH_PATH_FIXED)
1715 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1716 if (mpath->flags & MESH_PATH_RESOLVED)
1717 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1720 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1721 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1724 struct ieee80211_sub_if_data *sdata;
1725 struct mesh_path *mpath;
1727 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1730 mpath = mesh_path_lookup(sdata, dst);
1735 memcpy(dst, mpath->dst, ETH_ALEN);
1736 mpath_set_pinfo(mpath, next_hop, pinfo);
1741 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1742 int idx, u8 *dst, u8 *next_hop,
1743 struct mpath_info *pinfo)
1745 struct ieee80211_sub_if_data *sdata;
1746 struct mesh_path *mpath;
1748 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1751 mpath = mesh_path_lookup_by_idx(sdata, idx);
1756 memcpy(dst, mpath->dst, ETH_ALEN);
1757 mpath_set_pinfo(mpath, next_hop, pinfo);
1762 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1763 struct net_device *dev,
1764 struct mesh_config *conf)
1766 struct ieee80211_sub_if_data *sdata;
1767 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1769 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1773 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1775 return (mask >> (parm-1)) & 0x1;
1778 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1779 const struct mesh_setup *setup)
1783 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1784 struct ieee80211_sub_if_data, u.mesh);
1786 /* allocate information elements */
1790 if (setup->ie_len) {
1791 new_ie = kmemdup(setup->ie, setup->ie_len,
1796 ifmsh->ie_len = setup->ie_len;
1800 /* now copy the rest of the setup parameters */
1801 ifmsh->mesh_id_len = setup->mesh_id_len;
1802 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1803 ifmsh->mesh_sp_id = setup->sync_method;
1804 ifmsh->mesh_pp_id = setup->path_sel_proto;
1805 ifmsh->mesh_pm_id = setup->path_metric;
1806 ifmsh->user_mpm = setup->user_mpm;
1807 ifmsh->mesh_auth_id = setup->auth_id;
1808 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1809 if (setup->is_authenticated)
1810 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1811 if (setup->is_secure)
1812 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1814 /* mcast rate setting in Mesh Node */
1815 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1816 sizeof(setup->mcast_rate));
1817 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1819 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1820 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1825 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1826 struct net_device *dev, u32 mask,
1827 const struct mesh_config *nconf)
1829 struct mesh_config *conf;
1830 struct ieee80211_sub_if_data *sdata;
1831 struct ieee80211_if_mesh *ifmsh;
1833 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1834 ifmsh = &sdata->u.mesh;
1836 /* Set the config options which we are interested in setting */
1837 conf = &(sdata->u.mesh.mshcfg);
1838 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1839 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1840 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1841 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1842 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1843 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1844 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1845 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1846 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1847 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1848 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1849 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1850 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1851 conf->element_ttl = nconf->element_ttl;
1852 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1853 if (ifmsh->user_mpm)
1855 conf->auto_open_plinks = nconf->auto_open_plinks;
1857 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1858 conf->dot11MeshNbrOffsetMaxNeighbor =
1859 nconf->dot11MeshNbrOffsetMaxNeighbor;
1860 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1861 conf->dot11MeshHWMPmaxPREQretries =
1862 nconf->dot11MeshHWMPmaxPREQretries;
1863 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1864 conf->path_refresh_time = nconf->path_refresh_time;
1865 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1866 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1867 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1868 conf->dot11MeshHWMPactivePathTimeout =
1869 nconf->dot11MeshHWMPactivePathTimeout;
1870 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1871 conf->dot11MeshHWMPpreqMinInterval =
1872 nconf->dot11MeshHWMPpreqMinInterval;
1873 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1874 conf->dot11MeshHWMPperrMinInterval =
1875 nconf->dot11MeshHWMPperrMinInterval;
1876 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1878 conf->dot11MeshHWMPnetDiameterTraversalTime =
1879 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1880 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1881 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1882 ieee80211_mesh_root_setup(ifmsh);
1884 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1885 /* our current gate announcement implementation rides on root
1886 * announcements, so require this ifmsh to also be a root node
1888 if (nconf->dot11MeshGateAnnouncementProtocol &&
1889 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1890 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1891 ieee80211_mesh_root_setup(ifmsh);
1893 conf->dot11MeshGateAnnouncementProtocol =
1894 nconf->dot11MeshGateAnnouncementProtocol;
1896 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1897 conf->dot11MeshHWMPRannInterval =
1898 nconf->dot11MeshHWMPRannInterval;
1899 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1900 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1901 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1902 /* our RSSI threshold implementation is supported only for
1903 * devices that report signal in dBm.
1905 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1907 conf->rssi_threshold = nconf->rssi_threshold;
1909 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1910 conf->ht_opmode = nconf->ht_opmode;
1911 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1912 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1914 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1915 conf->dot11MeshHWMPactivePathToRootTimeout =
1916 nconf->dot11MeshHWMPactivePathToRootTimeout;
1917 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1918 conf->dot11MeshHWMProotInterval =
1919 nconf->dot11MeshHWMProotInterval;
1920 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1921 conf->dot11MeshHWMPconfirmationInterval =
1922 nconf->dot11MeshHWMPconfirmationInterval;
1923 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1924 conf->power_mode = nconf->power_mode;
1925 ieee80211_mps_local_status_update(sdata);
1927 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1928 conf->dot11MeshAwakeWindowDuration =
1929 nconf->dot11MeshAwakeWindowDuration;
1930 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1931 conf->plink_timeout = nconf->plink_timeout;
1932 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1936 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1937 const struct mesh_config *conf,
1938 const struct mesh_setup *setup)
1940 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1941 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1944 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1945 err = copy_mesh_setup(ifmsh, setup);
1949 /* can mesh use other SMPS modes? */
1950 sdata->smps_mode = IEEE80211_SMPS_OFF;
1951 sdata->needed_rx_chains = sdata->local->rx_chains;
1953 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1954 IEEE80211_CHANCTX_SHARED);
1958 return ieee80211_start_mesh(sdata);
1961 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1963 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1965 ieee80211_stop_mesh(sdata);
1966 ieee80211_vif_release_channel(sdata);
1972 static int ieee80211_change_bss(struct wiphy *wiphy,
1973 struct net_device *dev,
1974 struct bss_parameters *params)
1976 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1977 enum ieee80211_band band;
1980 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
1983 band = ieee80211_get_sdata_band(sdata);
1985 if (params->use_cts_prot >= 0) {
1986 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1987 changed |= BSS_CHANGED_ERP_CTS_PROT;
1989 if (params->use_short_preamble >= 0) {
1990 sdata->vif.bss_conf.use_short_preamble =
1991 params->use_short_preamble;
1992 changed |= BSS_CHANGED_ERP_PREAMBLE;
1995 if (!sdata->vif.bss_conf.use_short_slot &&
1996 band == IEEE80211_BAND_5GHZ) {
1997 sdata->vif.bss_conf.use_short_slot = true;
1998 changed |= BSS_CHANGED_ERP_SLOT;
2001 if (params->use_short_slot_time >= 0) {
2002 sdata->vif.bss_conf.use_short_slot =
2003 params->use_short_slot_time;
2004 changed |= BSS_CHANGED_ERP_SLOT;
2007 if (params->basic_rates) {
2008 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2010 params->basic_rates,
2011 params->basic_rates_len,
2012 &sdata->vif.bss_conf.basic_rates);
2013 changed |= BSS_CHANGED_BASIC_RATES;
2016 if (params->ap_isolate >= 0) {
2017 if (params->ap_isolate)
2018 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2020 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2023 if (params->ht_opmode >= 0) {
2024 sdata->vif.bss_conf.ht_operation_mode =
2025 (u16) params->ht_opmode;
2026 changed |= BSS_CHANGED_HT;
2029 if (params->p2p_ctwindow >= 0) {
2030 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2031 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2032 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2033 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2034 changed |= BSS_CHANGED_P2P_PS;
2037 if (params->p2p_opp_ps > 0) {
2038 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2039 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2040 changed |= BSS_CHANGED_P2P_PS;
2041 } else if (params->p2p_opp_ps == 0) {
2042 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2043 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2044 changed |= BSS_CHANGED_P2P_PS;
2047 ieee80211_bss_info_change_notify(sdata, changed);
2052 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2053 struct net_device *dev,
2054 struct ieee80211_txq_params *params)
2056 struct ieee80211_local *local = wiphy_priv(wiphy);
2057 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2058 struct ieee80211_tx_queue_params p;
2060 if (!local->ops->conf_tx)
2063 if (local->hw.queues < IEEE80211_NUM_ACS)
2066 memset(&p, 0, sizeof(p));
2067 p.aifs = params->aifs;
2068 p.cw_max = params->cwmax;
2069 p.cw_min = params->cwmin;
2070 p.txop = params->txop;
2073 * Setting tx queue params disables u-apsd because it's only
2074 * called in master mode.
2078 sdata->tx_conf[params->ac] = p;
2079 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2080 wiphy_debug(local->hw.wiphy,
2081 "failed to set TX queue parameters for AC %d\n",
2086 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2092 static int ieee80211_suspend(struct wiphy *wiphy,
2093 struct cfg80211_wowlan *wowlan)
2095 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2098 static int ieee80211_resume(struct wiphy *wiphy)
2100 return __ieee80211_resume(wiphy_priv(wiphy));
2103 #define ieee80211_suspend NULL
2104 #define ieee80211_resume NULL
2107 static int ieee80211_scan(struct wiphy *wiphy,
2108 struct cfg80211_scan_request *req)
2110 struct ieee80211_sub_if_data *sdata;
2112 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2114 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2115 case NL80211_IFTYPE_STATION:
2116 case NL80211_IFTYPE_ADHOC:
2117 case NL80211_IFTYPE_MESH_POINT:
2118 case NL80211_IFTYPE_P2P_CLIENT:
2119 case NL80211_IFTYPE_P2P_DEVICE:
2121 case NL80211_IFTYPE_P2P_GO:
2122 if (sdata->local->ops->hw_scan)
2125 * FIXME: implement NoA while scanning in software,
2126 * for now fall through to allow scanning only when
2127 * beaconing hasn't been configured yet
2129 case NL80211_IFTYPE_AP:
2131 * If the scan has been forced (and the driver supports
2132 * forcing), don't care about being beaconing already.
2133 * This will create problems to the attached stations (e.g. all
2134 * the frames sent while scanning on other channel will be
2137 if (sdata->u.ap.beacon &&
2138 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2139 !(req->flags & NL80211_SCAN_FLAG_AP)))
2146 return ieee80211_request_scan(sdata, req);
2150 ieee80211_sched_scan_start(struct wiphy *wiphy,
2151 struct net_device *dev,
2152 struct cfg80211_sched_scan_request *req)
2154 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2156 if (!sdata->local->ops->sched_scan_start)
2159 return ieee80211_request_sched_scan_start(sdata, req);
2163 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2165 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2167 if (!sdata->local->ops->sched_scan_stop)
2170 return ieee80211_request_sched_scan_stop(sdata);
2173 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2174 struct cfg80211_auth_request *req)
2176 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2179 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2180 struct cfg80211_assoc_request *req)
2182 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2185 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2186 struct cfg80211_deauth_request *req)
2188 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2191 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2192 struct cfg80211_disassoc_request *req)
2194 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2197 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2198 struct cfg80211_ibss_params *params)
2200 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2203 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2205 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2208 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2209 int rate[IEEE80211_NUM_BANDS])
2211 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2213 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2214 sizeof(int) * IEEE80211_NUM_BANDS);
2219 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2221 struct ieee80211_local *local = wiphy_priv(wiphy);
2224 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2225 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2231 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2232 err = drv_set_coverage_class(local, wiphy->coverage_class);
2238 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2239 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2245 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2246 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2248 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2250 if (changed & WIPHY_PARAM_RETRY_LONG) {
2251 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2253 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2256 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2257 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2262 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2263 struct wireless_dev *wdev,
2264 enum nl80211_tx_power_setting type, int mbm)
2266 struct ieee80211_local *local = wiphy_priv(wiphy);
2267 struct ieee80211_sub_if_data *sdata;
2270 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2273 case NL80211_TX_POWER_AUTOMATIC:
2274 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2276 case NL80211_TX_POWER_LIMITED:
2277 case NL80211_TX_POWER_FIXED:
2278 if (mbm < 0 || (mbm % 100))
2280 sdata->user_power_level = MBM_TO_DBM(mbm);
2284 ieee80211_recalc_txpower(sdata);
2290 case NL80211_TX_POWER_AUTOMATIC:
2291 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2293 case NL80211_TX_POWER_LIMITED:
2294 case NL80211_TX_POWER_FIXED:
2295 if (mbm < 0 || (mbm % 100))
2297 local->user_power_level = MBM_TO_DBM(mbm);
2301 mutex_lock(&local->iflist_mtx);
2302 list_for_each_entry(sdata, &local->interfaces, list)
2303 sdata->user_power_level = local->user_power_level;
2304 list_for_each_entry(sdata, &local->interfaces, list)
2305 ieee80211_recalc_txpower(sdata);
2306 mutex_unlock(&local->iflist_mtx);
2311 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2312 struct wireless_dev *wdev,
2315 struct ieee80211_local *local = wiphy_priv(wiphy);
2316 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2318 if (!local->use_chanctx)
2319 *dbm = local->hw.conf.power_level;
2321 *dbm = sdata->vif.bss_conf.txpower;
2326 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2329 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2331 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2336 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2338 struct ieee80211_local *local = wiphy_priv(wiphy);
2340 drv_rfkill_poll(local);
2343 #ifdef CONFIG_NL80211_TESTMODE
2344 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2345 struct wireless_dev *wdev,
2346 void *data, int len)
2348 struct ieee80211_local *local = wiphy_priv(wiphy);
2349 struct ieee80211_vif *vif = NULL;
2351 if (!local->ops->testmode_cmd)
2355 struct ieee80211_sub_if_data *sdata;
2357 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2358 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2362 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2365 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2366 struct sk_buff *skb,
2367 struct netlink_callback *cb,
2368 void *data, int len)
2370 struct ieee80211_local *local = wiphy_priv(wiphy);
2372 if (!local->ops->testmode_dump)
2375 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2379 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2380 enum ieee80211_smps_mode smps_mode)
2382 struct sta_info *sta;
2383 enum ieee80211_smps_mode old_req;
2386 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2389 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2392 old_req = sdata->u.ap.req_smps;
2393 sdata->u.ap.req_smps = smps_mode;
2395 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2396 if (old_req == smps_mode ||
2397 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2400 /* If no associated stations, there's no need to do anything */
2401 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2402 sdata->smps_mode = smps_mode;
2403 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2408 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2409 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2411 mutex_lock(&sdata->local->sta_mtx);
2412 for (i = 0; i < STA_HASH_SIZE; i++) {
2413 for (sta = rcu_dereference_protected(sdata->local->sta_hash[i],
2414 lockdep_is_held(&sdata->local->sta_mtx));
2416 sta = rcu_dereference_protected(sta->hnext,
2417 lockdep_is_held(&sdata->local->sta_mtx))) {
2419 * Only stations associated to our AP and
2422 if (sta->sdata->bss != &sdata->u.ap)
2425 /* This station doesn't support MIMO - skip it */
2426 if (sta_info_tx_streams(sta) == 1)
2430 * Don't wake up a STA just to send the action frame
2431 * unless we are getting more restrictive.
2433 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2434 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2437 "Won't send SMPS to sleeping STA %pM\n",
2443 * If the STA is not authorized, wait until it gets
2444 * authorized and the action frame will be sent then.
2446 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2449 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2450 ieee80211_send_smps_action(sdata, smps_mode,
2452 sdata->vif.bss_conf.bssid);
2455 mutex_unlock(&sdata->local->sta_mtx);
2457 sdata->smps_mode = smps_mode;
2458 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2463 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2464 enum ieee80211_smps_mode smps_mode)
2467 enum ieee80211_smps_mode old_req;
2470 lockdep_assert_held(&sdata->wdev.mtx);
2472 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2475 old_req = sdata->u.mgd.req_smps;
2476 sdata->u.mgd.req_smps = smps_mode;
2478 if (old_req == smps_mode &&
2479 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2483 * If not associated, or current association is not an HT
2484 * association, there's no need to do anything, just store
2485 * the new value until we associate.
2487 if (!sdata->u.mgd.associated ||
2488 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2491 ap = sdata->u.mgd.associated->bssid;
2493 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2494 if (sdata->u.mgd.powersave)
2495 smps_mode = IEEE80211_SMPS_DYNAMIC;
2497 smps_mode = IEEE80211_SMPS_OFF;
2500 /* send SM PS frame to AP */
2501 err = ieee80211_send_smps_action(sdata, smps_mode,
2504 sdata->u.mgd.req_smps = old_req;
2509 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2510 bool enabled, int timeout)
2512 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2513 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2515 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2516 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
2519 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2522 if (enabled == sdata->u.mgd.powersave &&
2523 timeout == local->dynamic_ps_forced_timeout)
2526 sdata->u.mgd.powersave = enabled;
2527 local->dynamic_ps_forced_timeout = timeout;
2529 /* no change, but if automatic follow powersave */
2531 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2532 sdata_unlock(sdata);
2534 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2535 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2537 ieee80211_recalc_ps(local, -1);
2538 ieee80211_recalc_ps_vif(sdata);
2543 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2544 struct net_device *dev,
2545 s32 rssi_thold, u32 rssi_hyst)
2547 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2548 struct ieee80211_vif *vif = &sdata->vif;
2549 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2551 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2552 rssi_hyst == bss_conf->cqm_rssi_hyst)
2555 bss_conf->cqm_rssi_thold = rssi_thold;
2556 bss_conf->cqm_rssi_hyst = rssi_hyst;
2558 /* tell the driver upon association, unless already associated */
2559 if (sdata->u.mgd.associated &&
2560 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2561 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2566 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2567 struct net_device *dev,
2569 const struct cfg80211_bitrate_mask *mask)
2571 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2572 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2575 if (!ieee80211_sdata_running(sdata))
2578 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2579 ret = drv_set_bitrate_mask(local, sdata, mask);
2584 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2585 struct ieee80211_supported_band *sband = wiphy->bands[i];
2588 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2589 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2590 sizeof(mask->control[i].mcs));
2592 sdata->rc_has_mcs_mask[i] = false;
2596 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2597 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2598 sdata->rc_has_mcs_mask[i] = true;
2606 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2607 struct ieee80211_sub_if_data *sdata,
2608 struct ieee80211_channel *channel,
2609 unsigned int duration, u64 *cookie,
2610 struct sk_buff *txskb,
2611 enum ieee80211_roc_type type)
2613 struct ieee80211_roc_work *roc, *tmp;
2614 bool queued = false;
2617 lockdep_assert_held(&local->mtx);
2619 if (local->use_chanctx && !local->ops->remain_on_channel)
2622 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2626 roc->chan = channel;
2627 roc->duration = duration;
2628 roc->req_duration = duration;
2631 roc->mgmt_tx_cookie = (unsigned long)txskb;
2633 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2634 INIT_LIST_HEAD(&roc->dependents);
2636 /* if there's one pending or we're scanning, queue this one */
2637 if (!list_empty(&local->roc_list) ||
2638 local->scanning || local->radar_detect_enabled)
2639 goto out_check_combine;
2641 /* if not HW assist, just queue & schedule work */
2642 if (!local->ops->remain_on_channel) {
2643 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2647 /* otherwise actually kick it off here (for error handling) */
2650 * If the duration is zero, then the driver
2651 * wouldn't actually do anything. Set it to
2654 * TODO: cancel the off-channel operation
2655 * when we get the SKB's TX status and
2656 * the wait time was zero before.
2661 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
2667 roc->started = true;
2671 list_for_each_entry(tmp, &local->roc_list, list) {
2672 if (tmp->chan != channel || tmp->sdata != sdata)
2676 * Extend this ROC if possible:
2678 * If it hasn't started yet, just increase the duration
2679 * and add the new one to the list of dependents.
2680 * If the type of the new ROC has higher priority, modify the
2681 * type of the previous one to match that of the new one.
2683 if (!tmp->started) {
2684 list_add_tail(&roc->list, &tmp->dependents);
2685 tmp->duration = max(tmp->duration, roc->duration);
2686 tmp->type = max(tmp->type, roc->type);
2691 /* If it has already started, it's more difficult ... */
2692 if (local->ops->remain_on_channel) {
2693 unsigned long j = jiffies;
2696 * In the offloaded ROC case, if it hasn't begun, add
2697 * this new one to the dependent list to be handled
2698 * when the master one begins. If it has begun,
2699 * check that there's still a minimum time left and
2700 * if so, start this one, transmitting the frame, but
2701 * add it to the list directly after this one with
2702 * a reduced time so we'll ask the driver to execute
2703 * it right after finishing the previous one, in the
2704 * hope that it'll also be executed right afterwards,
2705 * effectively extending the old one.
2706 * If there's no minimum time left, just add it to the
2708 * TODO: the ROC type is ignored here, assuming that it
2709 * is better to immediately use the current ROC.
2711 if (!tmp->hw_begun) {
2712 list_add_tail(&roc->list, &tmp->dependents);
2717 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2718 tmp->hw_start_time +
2719 msecs_to_jiffies(tmp->duration))) {
2722 ieee80211_handle_roc_started(roc);
2724 new_dur = roc->duration -
2725 jiffies_to_msecs(tmp->hw_start_time +
2731 /* add right after tmp */
2732 list_add(&roc->list, &tmp->list);
2734 list_add_tail(&roc->list,
2739 } else if (del_timer_sync(&tmp->work.timer)) {
2740 unsigned long new_end;
2743 * In the software ROC case, cancel the timer, if
2744 * that fails then the finish work is already
2745 * queued/pending and thus we queue the new ROC
2746 * normally, if that succeeds then we can extend
2747 * the timer duration and TX the frame (if any.)
2750 list_add_tail(&roc->list, &tmp->dependents);
2753 new_end = jiffies + msecs_to_jiffies(roc->duration);
2755 /* ok, it was started & we canceled timer */
2756 if (time_after(new_end, tmp->work.timer.expires))
2757 mod_timer(&tmp->work.timer, new_end);
2759 add_timer(&tmp->work.timer);
2761 ieee80211_handle_roc_started(roc);
2768 list_add_tail(&roc->list, &local->roc_list);
2771 * cookie is either the roc cookie (for normal roc)
2772 * or the SKB (for mgmt TX)
2775 /* local->mtx protects this */
2776 local->roc_cookie_counter++;
2777 roc->cookie = local->roc_cookie_counter;
2778 /* wow, you wrapped 64 bits ... more likely a bug */
2779 if (WARN_ON(roc->cookie == 0)) {
2781 local->roc_cookie_counter++;
2783 *cookie = roc->cookie;
2785 *cookie = (unsigned long)txskb;
2791 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2792 struct wireless_dev *wdev,
2793 struct ieee80211_channel *chan,
2794 unsigned int duration,
2797 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2798 struct ieee80211_local *local = sdata->local;
2801 mutex_lock(&local->mtx);
2802 ret = ieee80211_start_roc_work(local, sdata, chan,
2803 duration, cookie, NULL,
2804 IEEE80211_ROC_TYPE_NORMAL);
2805 mutex_unlock(&local->mtx);
2810 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2811 u64 cookie, bool mgmt_tx)
2813 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2816 mutex_lock(&local->mtx);
2817 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2818 struct ieee80211_roc_work *dep, *tmp2;
2820 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2821 if (!mgmt_tx && dep->cookie != cookie)
2823 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2825 /* found dependent item -- just remove it */
2826 list_del(&dep->list);
2827 mutex_unlock(&local->mtx);
2829 ieee80211_roc_notify_destroy(dep, true);
2833 if (!mgmt_tx && roc->cookie != cookie)
2835 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2843 mutex_unlock(&local->mtx);
2848 * We found the item to cancel, so do that. Note that it
2849 * may have dependents, which we also cancel (and send
2850 * the expired signal for.) Not doing so would be quite
2851 * tricky here, but we may need to fix it later.
2854 if (local->ops->remain_on_channel) {
2855 if (found->started) {
2856 ret = drv_cancel_remain_on_channel(local);
2857 if (WARN_ON_ONCE(ret)) {
2858 mutex_unlock(&local->mtx);
2863 list_del(&found->list);
2866 ieee80211_start_next_roc(local);
2867 mutex_unlock(&local->mtx);
2869 ieee80211_roc_notify_destroy(found, true);
2871 /* work may be pending so use it all the time */
2872 found->abort = true;
2873 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2875 mutex_unlock(&local->mtx);
2877 /* work will clean up etc */
2878 flush_delayed_work(&found->work);
2879 WARN_ON(!found->to_be_freed);
2886 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2887 struct wireless_dev *wdev,
2890 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2891 struct ieee80211_local *local = sdata->local;
2893 return ieee80211_cancel_roc(local, cookie, false);
2896 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2897 struct net_device *dev,
2898 struct cfg80211_chan_def *chandef)
2900 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2901 struct ieee80211_local *local = sdata->local;
2902 unsigned long timeout;
2905 if (!list_empty(&local->roc_list) || local->scanning)
2908 /* whatever, but channel contexts should not complain about that one */
2909 sdata->smps_mode = IEEE80211_SMPS_OFF;
2910 sdata->needed_rx_chains = local->rx_chains;
2911 sdata->radar_required = true;
2913 mutex_lock(&local->iflist_mtx);
2914 err = ieee80211_vif_use_channel(sdata, chandef,
2915 IEEE80211_CHANCTX_SHARED);
2916 mutex_unlock(&local->iflist_mtx);
2920 timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2921 ieee80211_queue_delayed_work(&sdata->local->hw,
2922 &sdata->dfs_cac_timer_work, timeout);
2927 static struct cfg80211_beacon_data *
2928 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2930 struct cfg80211_beacon_data *new_beacon;
2934 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2935 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2936 beacon->probe_resp_len;
2938 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2942 pos = (u8 *)(new_beacon + 1);
2943 if (beacon->head_len) {
2944 new_beacon->head_len = beacon->head_len;
2945 new_beacon->head = pos;
2946 memcpy(pos, beacon->head, beacon->head_len);
2947 pos += beacon->head_len;
2949 if (beacon->tail_len) {
2950 new_beacon->tail_len = beacon->tail_len;
2951 new_beacon->tail = pos;
2952 memcpy(pos, beacon->tail, beacon->tail_len);
2953 pos += beacon->tail_len;
2955 if (beacon->beacon_ies_len) {
2956 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2957 new_beacon->beacon_ies = pos;
2958 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2959 pos += beacon->beacon_ies_len;
2961 if (beacon->proberesp_ies_len) {
2962 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2963 new_beacon->proberesp_ies = pos;
2964 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2965 pos += beacon->proberesp_ies_len;
2967 if (beacon->assocresp_ies_len) {
2968 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2969 new_beacon->assocresp_ies = pos;
2970 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2971 pos += beacon->assocresp_ies_len;
2973 if (beacon->probe_resp_len) {
2974 new_beacon->probe_resp_len = beacon->probe_resp_len;
2975 beacon->probe_resp = pos;
2976 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2977 pos += beacon->probe_resp_len;
2983 void ieee80211_csa_finalize_work(struct work_struct *work)
2985 struct ieee80211_sub_if_data *sdata =
2986 container_of(work, struct ieee80211_sub_if_data,
2988 struct ieee80211_local *local = sdata->local;
2989 int err, changed = 0;
2992 /* AP might have been stopped while waiting for the lock. */
2993 if (!sdata->vif.csa_active)
2996 if (!ieee80211_sdata_running(sdata))
2999 sdata->radar_required = sdata->csa_radar_required;
3000 err = ieee80211_vif_change_channel(sdata, &changed);
3001 if (WARN_ON(err < 0))
3004 if (!local->use_chanctx) {
3005 local->_oper_chandef = sdata->csa_chandef;
3006 ieee80211_hw_config(local, 0);
3009 ieee80211_bss_info_change_notify(sdata, changed);
3011 sdata->vif.csa_active = false;
3012 switch (sdata->vif.type) {
3013 case NL80211_IFTYPE_AP:
3014 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon);
3019 kfree(sdata->u.ap.next_beacon);
3020 sdata->u.ap.next_beacon = NULL;
3022 ieee80211_bss_info_change_notify(sdata, err);
3024 case NL80211_IFTYPE_ADHOC:
3025 ieee80211_ibss_finish_csa(sdata);
3027 #ifdef CONFIG_MAC80211_MESH
3028 case NL80211_IFTYPE_MESH_POINT:
3029 err = ieee80211_mesh_finish_csa(sdata);
3039 ieee80211_wake_queues_by_reason(&sdata->local->hw,
3040 IEEE80211_MAX_QUEUE_MAP,
3041 IEEE80211_QUEUE_STOP_REASON_CSA);
3043 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3046 sdata_unlock(sdata);
3049 static int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3050 struct cfg80211_csa_settings *params)
3052 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3053 struct ieee80211_local *local = sdata->local;
3054 struct ieee80211_chanctx_conf *chanctx_conf;
3055 struct ieee80211_chanctx *chanctx;
3056 struct ieee80211_if_mesh __maybe_unused *ifmsh;
3057 int err, num_chanctx;
3059 lockdep_assert_held(&sdata->wdev.mtx);
3061 if (!list_empty(&local->roc_list) || local->scanning)
3064 if (sdata->wdev.cac_started)
3067 if (cfg80211_chandef_identical(¶ms->chandef,
3068 &sdata->vif.bss_conf.chandef))
3072 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3073 if (!chanctx_conf) {
3078 /* don't handle for multi-VIF cases */
3079 chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf);
3080 if (chanctx->refcount > 1) {
3085 list_for_each_entry_rcu(chanctx, &local->chanctx_list, list)
3089 if (num_chanctx > 1)
3092 /* don't allow another channel switch if one is already active. */
3093 if (sdata->vif.csa_active)
3096 switch (sdata->vif.type) {
3097 case NL80211_IFTYPE_AP:
3098 sdata->csa_counter_offset_beacon =
3099 params->counter_offset_beacon;
3100 sdata->csa_counter_offset_presp = params->counter_offset_presp;
3101 sdata->u.ap.next_beacon =
3102 cfg80211_beacon_dup(¶ms->beacon_after);
3103 if (!sdata->u.ap.next_beacon)
3106 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa);
3108 kfree(sdata->u.ap.next_beacon);
3112 case NL80211_IFTYPE_ADHOC:
3113 if (!sdata->vif.bss_conf.ibss_joined)
3116 if (params->chandef.width != sdata->u.ibss.chandef.width)
3119 switch (params->chandef.width) {
3120 case NL80211_CHAN_WIDTH_40:
3121 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3122 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3124 case NL80211_CHAN_WIDTH_5:
3125 case NL80211_CHAN_WIDTH_10:
3126 case NL80211_CHAN_WIDTH_20_NOHT:
3127 case NL80211_CHAN_WIDTH_20:
3133 /* changes into another band are not supported */
3134 if (sdata->u.ibss.chandef.chan->band !=
3135 params->chandef.chan->band)
3138 err = ieee80211_ibss_csa_beacon(sdata, params);
3142 #ifdef CONFIG_MAC80211_MESH
3143 case NL80211_IFTYPE_MESH_POINT:
3144 ifmsh = &sdata->u.mesh;
3146 if (!ifmsh->mesh_id)
3149 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3152 /* changes into another band are not supported */
3153 if (sdata->vif.bss_conf.chandef.chan->band !=
3154 params->chandef.chan->band)
3157 err = ieee80211_mesh_csa_beacon(sdata, params, true);
3166 sdata->csa_radar_required = params->radar_required;
3168 if (params->block_tx)
3169 ieee80211_stop_queues_by_reason(&local->hw,
3170 IEEE80211_MAX_QUEUE_MAP,
3171 IEEE80211_QUEUE_STOP_REASON_CSA);
3173 sdata->csa_chandef = params->chandef;
3174 sdata->vif.csa_active = true;
3176 ieee80211_bss_info_change_notify(sdata, err);
3177 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3182 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3183 struct cfg80211_mgmt_tx_params *params,
3186 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3187 struct ieee80211_local *local = sdata->local;
3188 struct sk_buff *skb;
3189 struct sta_info *sta;
3190 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
3191 bool need_offchan = false;
3195 if (params->dont_wait_for_ack)
3196 flags = IEEE80211_TX_CTL_NO_ACK;
3198 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3199 IEEE80211_TX_CTL_REQ_TX_STATUS;
3202 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3204 switch (sdata->vif.type) {
3205 case NL80211_IFTYPE_ADHOC:
3206 if (!sdata->vif.bss_conf.ibss_joined)
3207 need_offchan = true;
3209 #ifdef CONFIG_MAC80211_MESH
3210 case NL80211_IFTYPE_MESH_POINT:
3211 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3212 !sdata->u.mesh.mesh_id_len)
3213 need_offchan = true;
3216 case NL80211_IFTYPE_AP:
3217 case NL80211_IFTYPE_AP_VLAN:
3218 case NL80211_IFTYPE_P2P_GO:
3219 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3220 !ieee80211_vif_is_mesh(&sdata->vif) &&
3221 !rcu_access_pointer(sdata->bss->beacon))
3222 need_offchan = true;
3223 if (!ieee80211_is_action(mgmt->frame_control) ||
3224 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
3225 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3226 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
3229 sta = sta_info_get(sdata, mgmt->da);
3234 case NL80211_IFTYPE_STATION:
3235 case NL80211_IFTYPE_P2P_CLIENT:
3236 if (!sdata->u.mgd.associated)
3237 need_offchan = true;
3239 case NL80211_IFTYPE_P2P_DEVICE:
3240 need_offchan = true;
3246 /* configurations requiring offchan cannot work if no channel has been
3249 if (need_offchan && !params->chan)
3252 mutex_lock(&local->mtx);
3254 /* Check if the operating channel is the requested channel */
3255 if (!need_offchan) {
3256 struct ieee80211_chanctx_conf *chanctx_conf;
3259 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3262 need_offchan = params->chan &&
3264 chanctx_conf->def.chan);
3265 } else if (!params->chan) {
3270 need_offchan = true;
3275 if (need_offchan && !params->offchan) {
3280 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
3285 skb_reserve(skb, local->hw.extra_tx_headroom);
3287 memcpy(skb_put(skb, params->len), params->buf, params->len);
3289 IEEE80211_SKB_CB(skb)->flags = flags;
3291 skb->dev = sdata->dev;
3293 if (!need_offchan) {
3294 *cookie = (unsigned long) skb;
3295 ieee80211_tx_skb(sdata, skb);
3300 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3301 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
3302 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3303 IEEE80211_SKB_CB(skb)->hw_queue =
3304 local->hw.offchannel_tx_hw_queue;
3306 /* This will handle all kinds of coalescing and immediate TX */
3307 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3308 params->wait, cookie, skb,
3309 IEEE80211_ROC_TYPE_MGMT_TX);
3313 mutex_unlock(&local->mtx);
3317 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
3318 struct wireless_dev *wdev,
3321 struct ieee80211_local *local = wiphy_priv(wiphy);
3323 return ieee80211_cancel_roc(local, cookie, true);
3326 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3327 struct wireless_dev *wdev,
3328 u16 frame_type, bool reg)
3330 struct ieee80211_local *local = wiphy_priv(wiphy);
3332 switch (frame_type) {
3333 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3335 local->probe_req_reg++;
3337 local->probe_req_reg--;
3339 if (!local->open_count)
3342 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3349 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3351 struct ieee80211_local *local = wiphy_priv(wiphy);
3356 return drv_set_antenna(local, tx_ant, rx_ant);
3359 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3361 struct ieee80211_local *local = wiphy_priv(wiphy);
3363 return drv_get_antenna(local, tx_ant, rx_ant);
3366 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
3368 struct ieee80211_local *local = wiphy_priv(wiphy);
3370 return drv_set_ringparam(local, tx, rx);
3373 static void ieee80211_get_ringparam(struct wiphy *wiphy,
3374 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
3376 struct ieee80211_local *local = wiphy_priv(wiphy);
3378 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
3381 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3382 struct net_device *dev,
3383 struct cfg80211_gtk_rekey_data *data)
3385 struct ieee80211_local *local = wiphy_priv(wiphy);
3386 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3388 if (!local->ops->set_rekey_data)
3391 drv_set_rekey_data(local, sdata, data);
3396 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
3398 u8 *pos = (void *)skb_put(skb, 7);
3400 *pos++ = WLAN_EID_EXT_CAPABILITY;
3401 *pos++ = 5; /* len */
3406 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
3409 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
3411 struct ieee80211_local *local = sdata->local;
3415 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
3418 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
3419 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
3420 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
3421 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
3426 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
3427 u8 *peer, u8 *bssid)
3429 struct ieee80211_tdls_lnkie *lnkid;
3431 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
3433 lnkid->ie_type = WLAN_EID_LINK_ID;
3434 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
3436 memcpy(lnkid->bssid, bssid, ETH_ALEN);
3437 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
3438 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
3442 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
3443 u8 *peer, u8 action_code, u8 dialog_token,
3444 u16 status_code, struct sk_buff *skb)
3446 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3447 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3448 struct ieee80211_tdls_data *tf;
3450 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3452 memcpy(tf->da, peer, ETH_ALEN);
3453 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3454 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3455 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3457 switch (action_code) {
3458 case WLAN_TDLS_SETUP_REQUEST:
3459 tf->category = WLAN_CATEGORY_TDLS;
3460 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3462 skb_put(skb, sizeof(tf->u.setup_req));
3463 tf->u.setup_req.dialog_token = dialog_token;
3464 tf->u.setup_req.capability =
3465 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3467 ieee80211_add_srates_ie(sdata, skb, false, band);
3468 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3469 ieee80211_tdls_add_ext_capab(skb);
3471 case WLAN_TDLS_SETUP_RESPONSE:
3472 tf->category = WLAN_CATEGORY_TDLS;
3473 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3475 skb_put(skb, sizeof(tf->u.setup_resp));
3476 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3477 tf->u.setup_resp.dialog_token = dialog_token;
3478 tf->u.setup_resp.capability =
3479 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3481 ieee80211_add_srates_ie(sdata, skb, false, band);
3482 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3483 ieee80211_tdls_add_ext_capab(skb);
3485 case WLAN_TDLS_SETUP_CONFIRM:
3486 tf->category = WLAN_CATEGORY_TDLS;
3487 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3489 skb_put(skb, sizeof(tf->u.setup_cfm));
3490 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3491 tf->u.setup_cfm.dialog_token = dialog_token;
3493 case WLAN_TDLS_TEARDOWN:
3494 tf->category = WLAN_CATEGORY_TDLS;
3495 tf->action_code = WLAN_TDLS_TEARDOWN;
3497 skb_put(skb, sizeof(tf->u.teardown));
3498 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3500 case WLAN_TDLS_DISCOVERY_REQUEST:
3501 tf->category = WLAN_CATEGORY_TDLS;
3502 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3504 skb_put(skb, sizeof(tf->u.discover_req));
3505 tf->u.discover_req.dialog_token = dialog_token;
3515 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3516 u8 *peer, u8 action_code, u8 dialog_token,
3517 u16 status_code, struct sk_buff *skb)
3519 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3520 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3521 struct ieee80211_mgmt *mgmt;
3523 mgmt = (void *)skb_put(skb, 24);
3524 memset(mgmt, 0, 24);
3525 memcpy(mgmt->da, peer, ETH_ALEN);
3526 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3527 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3529 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3530 IEEE80211_STYPE_ACTION);
3532 switch (action_code) {
3533 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3534 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3535 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3536 mgmt->u.action.u.tdls_discover_resp.action_code =
3537 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3538 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3540 mgmt->u.action.u.tdls_discover_resp.capability =
3541 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3543 ieee80211_add_srates_ie(sdata, skb, false, band);
3544 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3545 ieee80211_tdls_add_ext_capab(skb);
3554 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3555 u8 *peer, u8 action_code, u8 dialog_token,
3556 u16 status_code, const u8 *extra_ies,
3557 size_t extra_ies_len)
3559 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3560 struct ieee80211_local *local = sdata->local;
3561 struct sk_buff *skb = NULL;
3565 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3568 /* make sure we are in managed mode, and associated */
3569 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3570 !sdata->u.mgd.associated)
3573 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3576 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3577 max(sizeof(struct ieee80211_mgmt),
3578 sizeof(struct ieee80211_tdls_data)) +
3579 50 + /* supported rates */
3582 sizeof(struct ieee80211_tdls_lnkie));
3586 skb_reserve(skb, local->hw.extra_tx_headroom);
3588 switch (action_code) {
3589 case WLAN_TDLS_SETUP_REQUEST:
3590 case WLAN_TDLS_SETUP_RESPONSE:
3591 case WLAN_TDLS_SETUP_CONFIRM:
3592 case WLAN_TDLS_TEARDOWN:
3593 case WLAN_TDLS_DISCOVERY_REQUEST:
3594 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3595 action_code, dialog_token,
3597 send_direct = false;
3599 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3600 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3601 dialog_token, status_code,
3614 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3616 /* the TDLS link IE is always added last */
3617 switch (action_code) {
3618 case WLAN_TDLS_SETUP_REQUEST:
3619 case WLAN_TDLS_SETUP_CONFIRM:
3620 case WLAN_TDLS_TEARDOWN:
3621 case WLAN_TDLS_DISCOVERY_REQUEST:
3622 /* we are the initiator */
3623 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3624 sdata->u.mgd.bssid);
3626 case WLAN_TDLS_SETUP_RESPONSE:
3627 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3628 /* we are the responder */
3629 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3630 sdata->u.mgd.bssid);
3638 ieee80211_tx_skb(sdata, skb);
3643 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3644 * we should default to AC_VI.
3646 switch (action_code) {
3647 case WLAN_TDLS_SETUP_REQUEST:
3648 case WLAN_TDLS_SETUP_RESPONSE:
3649 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3653 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3658 /* disable bottom halves when entering the Tx path */
3660 ret = ieee80211_subif_start_xmit(skb, dev);
3670 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3671 u8 *peer, enum nl80211_tdls_operation oper)
3673 struct sta_info *sta;
3674 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3676 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3679 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3682 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
3685 case NL80211_TDLS_ENABLE_LINK:
3687 sta = sta_info_get(sdata, peer);
3693 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
3696 case NL80211_TDLS_DISABLE_LINK:
3697 return sta_info_destroy_addr(sdata, peer);
3698 case NL80211_TDLS_TEARDOWN:
3699 case NL80211_TDLS_SETUP:
3700 case NL80211_TDLS_DISCOVERY_REQ:
3701 /* We don't support in-driver setup/teardown/discovery */
3710 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3711 const u8 *peer, u64 *cookie)
3713 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3714 struct ieee80211_local *local = sdata->local;
3715 struct ieee80211_qos_hdr *nullfunc;
3716 struct sk_buff *skb;
3717 int size = sizeof(*nullfunc);
3720 struct ieee80211_tx_info *info;
3721 struct sta_info *sta;
3722 struct ieee80211_chanctx_conf *chanctx_conf;
3723 enum ieee80211_band band;
3726 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3727 if (WARN_ON(!chanctx_conf)) {
3731 band = chanctx_conf->def.chan->band;
3732 sta = sta_info_get_bss(sdata, peer);
3734 qos = test_sta_flag(sta, WLAN_STA_WME);
3741 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3742 IEEE80211_STYPE_QOS_NULLFUNC |
3743 IEEE80211_FCTL_FROMDS);
3746 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3747 IEEE80211_STYPE_NULLFUNC |
3748 IEEE80211_FCTL_FROMDS);
3751 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3759 skb_reserve(skb, local->hw.extra_tx_headroom);
3761 nullfunc = (void *) skb_put(skb, size);
3762 nullfunc->frame_control = fc;
3763 nullfunc->duration_id = 0;
3764 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3765 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3766 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3767 nullfunc->seq_ctrl = 0;
3769 info = IEEE80211_SKB_CB(skb);
3771 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3772 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3774 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3777 nullfunc->qos_ctrl = cpu_to_le16(7);
3780 ieee80211_xmit(sdata, skb, band);
3784 *cookie = (unsigned long) skb;
3788 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3789 struct wireless_dev *wdev,
3790 struct cfg80211_chan_def *chandef)
3792 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3793 struct ieee80211_local *local = wiphy_priv(wiphy);
3794 struct ieee80211_chanctx_conf *chanctx_conf;
3798 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3800 *chandef = chanctx_conf->def;
3802 } else if (local->open_count > 0 &&
3803 local->open_count == local->monitors &&
3804 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3805 if (local->use_chanctx)
3806 *chandef = local->monitor_chandef;
3808 *chandef = local->_oper_chandef;
3817 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3819 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3823 struct cfg80211_ops mac80211_config_ops = {
3824 .add_virtual_intf = ieee80211_add_iface,
3825 .del_virtual_intf = ieee80211_del_iface,
3826 .change_virtual_intf = ieee80211_change_iface,
3827 .start_p2p_device = ieee80211_start_p2p_device,
3828 .stop_p2p_device = ieee80211_stop_p2p_device,
3829 .add_key = ieee80211_add_key,
3830 .del_key = ieee80211_del_key,
3831 .get_key = ieee80211_get_key,
3832 .set_default_key = ieee80211_config_default_key,
3833 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3834 .start_ap = ieee80211_start_ap,
3835 .change_beacon = ieee80211_change_beacon,
3836 .stop_ap = ieee80211_stop_ap,
3837 .add_station = ieee80211_add_station,
3838 .del_station = ieee80211_del_station,
3839 .change_station = ieee80211_change_station,
3840 .get_station = ieee80211_get_station,
3841 .dump_station = ieee80211_dump_station,
3842 .dump_survey = ieee80211_dump_survey,
3843 #ifdef CONFIG_MAC80211_MESH
3844 .add_mpath = ieee80211_add_mpath,
3845 .del_mpath = ieee80211_del_mpath,
3846 .change_mpath = ieee80211_change_mpath,
3847 .get_mpath = ieee80211_get_mpath,
3848 .dump_mpath = ieee80211_dump_mpath,
3849 .update_mesh_config = ieee80211_update_mesh_config,
3850 .get_mesh_config = ieee80211_get_mesh_config,
3851 .join_mesh = ieee80211_join_mesh,
3852 .leave_mesh = ieee80211_leave_mesh,
3854 .change_bss = ieee80211_change_bss,
3855 .set_txq_params = ieee80211_set_txq_params,
3856 .set_monitor_channel = ieee80211_set_monitor_channel,
3857 .suspend = ieee80211_suspend,
3858 .resume = ieee80211_resume,
3859 .scan = ieee80211_scan,
3860 .sched_scan_start = ieee80211_sched_scan_start,
3861 .sched_scan_stop = ieee80211_sched_scan_stop,
3862 .auth = ieee80211_auth,
3863 .assoc = ieee80211_assoc,
3864 .deauth = ieee80211_deauth,
3865 .disassoc = ieee80211_disassoc,
3866 .join_ibss = ieee80211_join_ibss,
3867 .leave_ibss = ieee80211_leave_ibss,
3868 .set_mcast_rate = ieee80211_set_mcast_rate,
3869 .set_wiphy_params = ieee80211_set_wiphy_params,
3870 .set_tx_power = ieee80211_set_tx_power,
3871 .get_tx_power = ieee80211_get_tx_power,
3872 .set_wds_peer = ieee80211_set_wds_peer,
3873 .rfkill_poll = ieee80211_rfkill_poll,
3874 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3875 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3876 .set_power_mgmt = ieee80211_set_power_mgmt,
3877 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3878 .remain_on_channel = ieee80211_remain_on_channel,
3879 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3880 .mgmt_tx = ieee80211_mgmt_tx,
3881 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3882 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3883 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3884 .set_antenna = ieee80211_set_antenna,
3885 .get_antenna = ieee80211_get_antenna,
3886 .set_ringparam = ieee80211_set_ringparam,
3887 .get_ringparam = ieee80211_get_ringparam,
3888 .set_rekey_data = ieee80211_set_rekey_data,
3889 .tdls_oper = ieee80211_tdls_oper,
3890 .tdls_mgmt = ieee80211_tdls_mgmt,
3891 .probe_client = ieee80211_probe_client,
3892 .set_noack_map = ieee80211_set_noack_map,
3894 .set_wakeup = ieee80211_set_wakeup,
3896 .get_et_sset_count = ieee80211_get_et_sset_count,
3897 .get_et_stats = ieee80211_get_et_stats,
3898 .get_et_strings = ieee80211_get_et_strings,
3899 .get_channel = ieee80211_cfg_get_channel,
3900 .start_radar_detection = ieee80211_start_radar_detection,
3901 .channel_switch = ieee80211_channel_switch,