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);
304 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
305 key = rcu_dereference(sta->ptk[key_idx]);
306 else if (!pairwise &&
307 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
308 key = rcu_dereference(sta->gtk[key_idx]);
310 key = rcu_dereference(sdata->keys[key_idx]);
315 memset(¶ms, 0, sizeof(params));
317 params.cipher = key->conf.cipher;
319 switch (key->conf.cipher) {
320 case WLAN_CIPHER_SUITE_TKIP:
321 iv32 = key->u.tkip.tx.iv32;
322 iv16 = key->u.tkip.tx.iv16;
324 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
325 drv_get_tkip_seq(sdata->local,
326 key->conf.hw_key_idx,
329 seq[0] = iv16 & 0xff;
330 seq[1] = (iv16 >> 8) & 0xff;
331 seq[2] = iv32 & 0xff;
332 seq[3] = (iv32 >> 8) & 0xff;
333 seq[4] = (iv32 >> 16) & 0xff;
334 seq[5] = (iv32 >> 24) & 0xff;
338 case WLAN_CIPHER_SUITE_CCMP:
339 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
349 case WLAN_CIPHER_SUITE_AES_CMAC:
350 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
362 params.key = key->conf.key;
363 params.key_len = key->conf.keylen;
365 callback(cookie, ¶ms);
373 static int ieee80211_config_default_key(struct wiphy *wiphy,
374 struct net_device *dev,
375 u8 key_idx, bool uni,
378 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
380 ieee80211_set_default_key(sdata, key_idx, uni, multi);
385 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
386 struct net_device *dev,
389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
391 ieee80211_set_default_mgmt_key(sdata, key_idx);
396 void sta_set_rate_info_tx(struct sta_info *sta,
397 const struct ieee80211_tx_rate *rate,
398 struct rate_info *rinfo)
401 if (rate->flags & IEEE80211_TX_RC_MCS) {
402 rinfo->flags |= RATE_INFO_FLAGS_MCS;
403 rinfo->mcs = rate->idx;
404 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
405 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
406 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
407 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
409 struct ieee80211_supported_band *sband;
410 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
413 sband = sta->local->hw.wiphy->bands[
414 ieee80211_get_sdata_band(sta->sdata)];
415 brate = sband->bitrates[rate->idx].bitrate;
416 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
418 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
419 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
420 if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
421 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
422 if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
423 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
424 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
425 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
428 void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
432 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
433 rinfo->flags |= RATE_INFO_FLAGS_MCS;
434 rinfo->mcs = sta->last_rx_rate_idx;
435 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
436 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
437 rinfo->nss = sta->last_rx_rate_vht_nss;
438 rinfo->mcs = sta->last_rx_rate_idx;
440 struct ieee80211_supported_band *sband;
441 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
444 sband = sta->local->hw.wiphy->bands[
445 ieee80211_get_sdata_band(sta->sdata)];
446 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
447 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
450 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
451 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
452 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
453 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
454 if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
455 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
456 if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
457 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
458 if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
459 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
462 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
464 struct ieee80211_sub_if_data *sdata = sta->sdata;
465 struct ieee80211_local *local = sdata->local;
466 struct timespec uptime;
470 sinfo->generation = sdata->local->sta_generation;
472 sinfo->filled = STATION_INFO_INACTIVE_TIME |
473 STATION_INFO_RX_BYTES64 |
474 STATION_INFO_TX_BYTES64 |
475 STATION_INFO_RX_PACKETS |
476 STATION_INFO_TX_PACKETS |
477 STATION_INFO_TX_RETRIES |
478 STATION_INFO_TX_FAILED |
479 STATION_INFO_TX_BITRATE |
480 STATION_INFO_RX_BITRATE |
481 STATION_INFO_RX_DROP_MISC |
482 STATION_INFO_BSS_PARAM |
483 STATION_INFO_CONNECTED_TIME |
484 STATION_INFO_STA_FLAGS |
485 STATION_INFO_BEACON_LOSS_COUNT;
487 do_posix_clock_monotonic_gettime(&uptime);
488 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
490 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
492 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
493 sinfo->tx_bytes += sta->tx_bytes[ac];
494 packets += sta->tx_packets[ac];
496 sinfo->tx_packets = packets;
497 sinfo->rx_bytes = sta->rx_bytes;
498 sinfo->rx_packets = sta->rx_packets;
499 sinfo->tx_retries = sta->tx_retry_count;
500 sinfo->tx_failed = sta->tx_retry_failed;
501 sinfo->rx_dropped_misc = sta->rx_dropped;
502 sinfo->beacon_loss_count = sta->beacon_loss_count;
504 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
505 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
506 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
507 if (!local->ops->get_rssi ||
508 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
509 sinfo->signal = (s8)sta->last_signal;
510 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
513 sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
514 STATION_INFO_CHAIN_SIGNAL_AVG;
516 sinfo->chains = sta->chains;
517 for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
518 sinfo->chain_signal[i] = sta->chain_signal_last[i];
519 sinfo->chain_signal_avg[i] =
520 (s8) -ewma_read(&sta->chain_signal_avg[i]);
524 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
525 sta_set_rate_info_rx(sta, &sinfo->rxrate);
527 if (ieee80211_vif_is_mesh(&sdata->vif)) {
528 #ifdef CONFIG_MAC80211_MESH
529 sinfo->filled |= STATION_INFO_LLID |
531 STATION_INFO_PLINK_STATE |
532 STATION_INFO_LOCAL_PM |
533 STATION_INFO_PEER_PM |
534 STATION_INFO_NONPEER_PM;
536 sinfo->llid = sta->llid;
537 sinfo->plid = sta->plid;
538 sinfo->plink_state = sta->plink_state;
539 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
540 sinfo->filled |= STATION_INFO_T_OFFSET;
541 sinfo->t_offset = sta->t_offset;
543 sinfo->local_pm = sta->local_pm;
544 sinfo->peer_pm = sta->peer_pm;
545 sinfo->nonpeer_pm = sta->nonpeer_pm;
549 sinfo->bss_param.flags = 0;
550 if (sdata->vif.bss_conf.use_cts_prot)
551 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
552 if (sdata->vif.bss_conf.use_short_preamble)
553 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
554 if (sdata->vif.bss_conf.use_short_slot)
555 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
556 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
557 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
559 sinfo->sta_flags.set = 0;
560 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
561 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
562 BIT(NL80211_STA_FLAG_WME) |
563 BIT(NL80211_STA_FLAG_MFP) |
564 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
565 BIT(NL80211_STA_FLAG_ASSOCIATED) |
566 BIT(NL80211_STA_FLAG_TDLS_PEER);
567 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
568 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
569 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
570 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
571 if (test_sta_flag(sta, WLAN_STA_WME))
572 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
573 if (test_sta_flag(sta, WLAN_STA_MFP))
574 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
575 if (test_sta_flag(sta, WLAN_STA_AUTH))
576 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
577 if (test_sta_flag(sta, WLAN_STA_ASSOC))
578 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
579 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
580 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
583 static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
584 "rx_packets", "rx_bytes", "wep_weak_iv_count",
585 "rx_duplicates", "rx_fragments", "rx_dropped",
586 "tx_packets", "tx_bytes", "tx_fragments",
587 "tx_filtered", "tx_retry_failed", "tx_retries",
588 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
589 "channel", "noise", "ch_time", "ch_time_busy",
590 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
592 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
594 static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
595 struct net_device *dev,
598 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
601 if (sset == ETH_SS_STATS)
604 rv += drv_get_et_sset_count(sdata, sset);
611 static void ieee80211_get_et_stats(struct wiphy *wiphy,
612 struct net_device *dev,
613 struct ethtool_stats *stats,
616 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
617 struct ieee80211_chanctx_conf *chanctx_conf;
618 struct ieee80211_channel *channel;
619 struct sta_info *sta;
620 struct ieee80211_local *local = sdata->local;
621 struct station_info sinfo;
622 struct survey_info survey;
624 #define STA_STATS_SURVEY_LEN 7
626 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
628 #define ADD_STA_STATS(sta) \
630 data[i++] += sta->rx_packets; \
631 data[i++] += sta->rx_bytes; \
632 data[i++] += sta->wep_weak_iv_count; \
633 data[i++] += sta->num_duplicates; \
634 data[i++] += sta->rx_fragments; \
635 data[i++] += sta->rx_dropped; \
637 data[i++] += sinfo.tx_packets; \
638 data[i++] += sinfo.tx_bytes; \
639 data[i++] += sta->tx_fragments; \
640 data[i++] += sta->tx_filtered_count; \
641 data[i++] += sta->tx_retry_failed; \
642 data[i++] += sta->tx_retry_count; \
643 data[i++] += sta->beacon_loss_count; \
646 /* For Managed stations, find the single station based on BSSID
647 * and use that. For interface types, iterate through all available
648 * stations and add stats for any station that is assigned to this
652 mutex_lock(&local->sta_mtx);
654 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
655 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
657 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
661 sta_set_sinfo(sta, &sinfo);
666 data[i++] = sta->sta_state;
669 if (sinfo.filled & STATION_INFO_TX_BITRATE)
671 cfg80211_calculate_bitrate(&sinfo.txrate);
673 if (sinfo.filled & STATION_INFO_RX_BITRATE)
675 cfg80211_calculate_bitrate(&sinfo.rxrate);
678 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
679 data[i] = (u8)sinfo.signal_avg;
682 list_for_each_entry(sta, &local->sta_list, list) {
683 /* Make sure this station belongs to the proper dev */
684 if (sta->sdata->dev != dev)
688 sta_set_sinfo(sta, &sinfo);
695 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
696 /* Get survey stats for current channel */
700 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
702 channel = chanctx_conf->def.chan;
711 if (drv_get_survey(local, q, &survey) != 0) {
716 } while (channel != survey.channel);
720 data[i++] = survey.channel->center_freq;
723 if (survey.filled & SURVEY_INFO_NOISE_DBM)
724 data[i++] = (u8)survey.noise;
727 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
728 data[i++] = survey.channel_time;
731 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
732 data[i++] = survey.channel_time_busy;
735 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
736 data[i++] = survey.channel_time_ext_busy;
739 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
740 data[i++] = survey.channel_time_rx;
743 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
744 data[i++] = survey.channel_time_tx;
748 mutex_unlock(&local->sta_mtx);
750 if (WARN_ON(i != STA_STATS_LEN))
753 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
756 static void ieee80211_get_et_strings(struct wiphy *wiphy,
757 struct net_device *dev,
760 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
761 int sz_sta_stats = 0;
763 if (sset == ETH_SS_STATS) {
764 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
765 memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats);
767 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
770 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
771 int idx, u8 *mac, struct station_info *sinfo)
773 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
774 struct ieee80211_local *local = sdata->local;
775 struct sta_info *sta;
778 mutex_lock(&local->sta_mtx);
780 sta = sta_info_get_by_idx(sdata, idx);
783 memcpy(mac, sta->sta.addr, ETH_ALEN);
784 sta_set_sinfo(sta, sinfo);
787 mutex_unlock(&local->sta_mtx);
792 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
793 int idx, struct survey_info *survey)
795 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
797 return drv_get_survey(local, idx, survey);
800 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
801 u8 *mac, struct station_info *sinfo)
803 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
804 struct ieee80211_local *local = sdata->local;
805 struct sta_info *sta;
808 mutex_lock(&local->sta_mtx);
810 sta = sta_info_get_bss(sdata, mac);
813 sta_set_sinfo(sta, sinfo);
816 mutex_unlock(&local->sta_mtx);
821 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
822 struct cfg80211_chan_def *chandef)
824 struct ieee80211_local *local = wiphy_priv(wiphy);
825 struct ieee80211_sub_if_data *sdata;
828 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
831 mutex_lock(&local->iflist_mtx);
832 if (local->use_chanctx) {
833 sdata = rcu_dereference_protected(
834 local->monitor_sdata,
835 lockdep_is_held(&local->iflist_mtx));
837 ieee80211_vif_release_channel(sdata);
838 ret = ieee80211_vif_use_channel(sdata, chandef,
839 IEEE80211_CHANCTX_EXCLUSIVE);
841 } else if (local->open_count == local->monitors) {
842 local->_oper_chandef = *chandef;
843 ieee80211_hw_config(local, 0);
847 local->monitor_chandef = *chandef;
848 mutex_unlock(&local->iflist_mtx);
853 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
854 const u8 *resp, size_t resp_len)
856 struct probe_resp *new, *old;
858 if (!resp || !resp_len)
861 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
863 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
868 memcpy(new->data, resp, resp_len);
870 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
872 kfree_rcu(old, rcu_head);
877 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
878 struct cfg80211_beacon_data *params)
880 struct beacon_data *new, *old;
881 int new_head_len, new_tail_len;
883 u32 changed = BSS_CHANGED_BEACON;
885 old = sdata_dereference(sdata->u.ap.beacon, sdata);
888 /* Need to have a beacon head if we don't have one yet */
889 if (!params->head && !old)
892 /* new or old head? */
894 new_head_len = params->head_len;
896 new_head_len = old->head_len;
898 /* new or old tail? */
899 if (params->tail || !old)
900 /* params->tail_len will be zero for !params->tail */
901 new_tail_len = params->tail_len;
903 new_tail_len = old->tail_len;
905 size = sizeof(*new) + new_head_len + new_tail_len;
907 new = kzalloc(size, GFP_KERNEL);
911 /* start filling the new info now */
914 * pointers go into the block we allocated,
915 * memory is | beacon_data | head | tail |
917 new->head = ((u8 *) new) + sizeof(*new);
918 new->tail = new->head + new_head_len;
919 new->head_len = new_head_len;
920 new->tail_len = new_tail_len;
924 memcpy(new->head, params->head, new_head_len);
926 memcpy(new->head, old->head, new_head_len);
928 /* copy in optional tail */
930 memcpy(new->tail, params->tail, new_tail_len);
933 memcpy(new->tail, old->tail, new_tail_len);
935 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
936 params->probe_resp_len);
940 changed |= BSS_CHANGED_AP_PROBE_RESP;
942 rcu_assign_pointer(sdata->u.ap.beacon, new);
945 kfree_rcu(old, rcu_head);
950 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
951 struct cfg80211_ap_settings *params)
953 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
954 struct beacon_data *old;
955 struct ieee80211_sub_if_data *vlan;
956 u32 changed = BSS_CHANGED_BEACON_INT |
957 BSS_CHANGED_BEACON_ENABLED |
963 old = sdata_dereference(sdata->u.ap.beacon, sdata);
967 /* TODO: make hostapd tell us what it wants */
968 sdata->smps_mode = IEEE80211_SMPS_OFF;
969 sdata->needed_rx_chains = sdata->local->rx_chains;
970 sdata->radar_required = params->radar_required;
972 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
973 IEEE80211_CHANCTX_SHARED);
976 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
979 * Apply control port protocol, this allows us to
980 * not encrypt dynamic WEP control frames.
982 sdata->control_port_protocol = params->crypto.control_port_ethertype;
983 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
984 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
988 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
989 vlan->control_port_protocol =
990 params->crypto.control_port_ethertype;
991 vlan->control_port_no_encrypt =
992 params->crypto.control_port_no_encrypt;
993 vlan->encrypt_headroom =
994 ieee80211_cs_headroom(sdata->local,
999 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1000 sdata->vif.bss_conf.dtim_period = params->dtim_period;
1001 sdata->vif.bss_conf.enable_beacon = true;
1003 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1004 if (params->ssid_len)
1005 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1007 sdata->vif.bss_conf.hidden_ssid =
1008 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1010 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1011 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1012 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1013 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1014 if (params->p2p_opp_ps)
1015 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1016 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1018 err = ieee80211_assign_beacon(sdata, ¶ms->beacon);
1023 err = drv_start_ap(sdata->local, sdata);
1025 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1028 kfree_rcu(old, rcu_head);
1029 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1033 ieee80211_bss_info_change_notify(sdata, changed);
1035 netif_carrier_on(dev);
1036 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1037 netif_carrier_on(vlan->dev);
1042 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1043 struct cfg80211_beacon_data *params)
1045 struct ieee80211_sub_if_data *sdata;
1046 struct beacon_data *old;
1049 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1051 /* don't allow changing the beacon while CSA is in place - offset
1052 * of channel switch counter may change
1054 if (sdata->vif.csa_active)
1057 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1061 err = ieee80211_assign_beacon(sdata, params);
1064 ieee80211_bss_info_change_notify(sdata, err);
1068 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1070 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1071 struct ieee80211_sub_if_data *vlan;
1072 struct ieee80211_local *local = sdata->local;
1073 struct beacon_data *old_beacon;
1074 struct probe_resp *old_probe_resp;
1075 struct cfg80211_chan_def chandef;
1077 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1080 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1082 /* abort any running channel switch */
1083 sdata->vif.csa_active = false;
1084 kfree(sdata->u.ap.next_beacon);
1085 sdata->u.ap.next_beacon = NULL;
1087 cancel_work_sync(&sdata->u.ap.request_smps_work);
1089 /* turn off carrier for this interface and dependent VLANs */
1090 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1091 netif_carrier_off(vlan->dev);
1092 netif_carrier_off(dev);
1094 /* remove beacon and probe response */
1095 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1096 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1097 kfree_rcu(old_beacon, rcu_head);
1099 kfree_rcu(old_probe_resp, rcu_head);
1101 __sta_info_flush(sdata, true);
1102 ieee80211_free_keys(sdata, true);
1104 sdata->vif.bss_conf.enable_beacon = false;
1105 sdata->vif.bss_conf.ssid_len = 0;
1106 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1107 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1109 if (sdata->wdev.cac_started) {
1110 chandef = sdata->vif.bss_conf.chandef;
1111 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1112 cfg80211_cac_event(sdata->dev, &chandef,
1113 NL80211_RADAR_CAC_ABORTED,
1117 drv_stop_ap(sdata->local, sdata);
1119 /* free all potentially still buffered bcast frames */
1120 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1121 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1123 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1124 ieee80211_vif_release_channel(sdata);
1129 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1130 struct iapp_layer2_update {
1131 u8 da[ETH_ALEN]; /* broadcast */
1132 u8 sa[ETH_ALEN]; /* STA addr */
1140 static void ieee80211_send_layer2_update(struct sta_info *sta)
1142 struct iapp_layer2_update *msg;
1143 struct sk_buff *skb;
1145 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1148 skb = dev_alloc_skb(sizeof(*msg));
1151 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1153 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1154 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1156 eth_broadcast_addr(msg->da);
1157 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
1158 msg->len = htons(6);
1160 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1161 msg->control = 0xaf; /* XID response lsb.1111F101.
1162 * F=0 (no poll command; unsolicited frame) */
1163 msg->xid_info[0] = 0x81; /* XID format identifier */
1164 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1165 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1167 skb->dev = sta->sdata->dev;
1168 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
1169 memset(skb->cb, 0, sizeof(skb->cb));
1173 static int sta_apply_auth_flags(struct ieee80211_local *local,
1174 struct sta_info *sta,
1179 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1180 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1181 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1182 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1187 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1188 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1189 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1190 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1195 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1196 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1197 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1198 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1199 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1206 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1207 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1208 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1209 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1214 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1215 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1216 test_sta_flag(sta, WLAN_STA_AUTH)) {
1217 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1225 static int sta_apply_parameters(struct ieee80211_local *local,
1226 struct sta_info *sta,
1227 struct station_parameters *params)
1230 struct ieee80211_supported_band *sband;
1231 struct ieee80211_sub_if_data *sdata = sta->sdata;
1232 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1235 sband = local->hw.wiphy->bands[band];
1237 mask = params->sta_flags_mask;
1238 set = params->sta_flags_set;
1240 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1242 * In mesh mode, ASSOCIATED isn't part of the nl80211
1243 * API but must follow AUTHENTICATED for driver state.
1245 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1246 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1247 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1248 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1249 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1251 * TDLS -- everything follows authorized, but
1252 * only becoming authorized is possible, not
1255 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1256 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1257 BIT(NL80211_STA_FLAG_ASSOCIATED);
1258 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1259 BIT(NL80211_STA_FLAG_ASSOCIATED);
1263 ret = sta_apply_auth_flags(local, sta, mask, set);
1267 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1268 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1269 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1271 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1274 if (mask & BIT(NL80211_STA_FLAG_WME)) {
1275 if (set & BIT(NL80211_STA_FLAG_WME)) {
1276 set_sta_flag(sta, WLAN_STA_WME);
1277 sta->sta.wme = true;
1279 clear_sta_flag(sta, WLAN_STA_WME);
1280 sta->sta.wme = false;
1284 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1285 if (set & BIT(NL80211_STA_FLAG_MFP))
1286 set_sta_flag(sta, WLAN_STA_MFP);
1288 clear_sta_flag(sta, WLAN_STA_MFP);
1291 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1292 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1293 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1295 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1298 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1299 sta->sta.uapsd_queues = params->uapsd_queues;
1300 sta->sta.max_sp = params->max_sp;
1304 * cfg80211 validates this (1-2007) and allows setting the AID
1305 * only when creating a new station entry
1308 sta->sta.aid = params->aid;
1311 * Some of the following updates would be racy if called on an
1312 * existing station, via ieee80211_change_station(). However,
1313 * all such changes are rejected by cfg80211 except for updates
1314 * changing the supported rates on an existing but not yet used
1318 if (params->listen_interval >= 0)
1319 sta->listen_interval = params->listen_interval;
1321 if (params->supported_rates) {
1322 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1323 sband, params->supported_rates,
1324 params->supported_rates_len,
1325 &sta->sta.supp_rates[band]);
1328 if (params->ht_capa)
1329 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1330 params->ht_capa, sta);
1332 if (params->vht_capa)
1333 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1334 params->vht_capa, sta);
1336 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1337 #ifdef CONFIG_MAC80211_MESH
1340 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1341 switch (params->plink_state) {
1342 case NL80211_PLINK_ESTAB:
1343 if (sta->plink_state != NL80211_PLINK_ESTAB)
1344 changed = mesh_plink_inc_estab_count(
1346 sta->plink_state = params->plink_state;
1348 ieee80211_mps_sta_status_update(sta);
1349 changed |= ieee80211_mps_set_sta_local_pm(sta,
1350 sdata->u.mesh.mshcfg.power_mode);
1352 case NL80211_PLINK_LISTEN:
1353 case NL80211_PLINK_BLOCKED:
1354 case NL80211_PLINK_OPN_SNT:
1355 case NL80211_PLINK_OPN_RCVD:
1356 case NL80211_PLINK_CNF_RCVD:
1357 case NL80211_PLINK_HOLDING:
1358 if (sta->plink_state == NL80211_PLINK_ESTAB)
1359 changed = mesh_plink_dec_estab_count(
1361 sta->plink_state = params->plink_state;
1363 ieee80211_mps_sta_status_update(sta);
1364 changed |= ieee80211_mps_set_sta_local_pm(sta,
1365 NL80211_MESH_POWER_UNKNOWN);
1373 switch (params->plink_action) {
1374 case NL80211_PLINK_ACTION_NO_ACTION:
1377 case NL80211_PLINK_ACTION_OPEN:
1378 changed |= mesh_plink_open(sta);
1380 case NL80211_PLINK_ACTION_BLOCK:
1381 changed |= mesh_plink_block(sta);
1385 if (params->local_pm)
1387 ieee80211_mps_set_sta_local_pm(sta,
1389 ieee80211_mbss_info_change_notify(sdata, changed);
1396 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1397 u8 *mac, struct station_parameters *params)
1399 struct ieee80211_local *local = wiphy_priv(wiphy);
1400 struct sta_info *sta;
1401 struct ieee80211_sub_if_data *sdata;
1406 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1408 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1409 sdata->vif.type != NL80211_IFTYPE_AP)
1412 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1414 if (ether_addr_equal(mac, sdata->vif.addr))
1417 if (is_multicast_ether_addr(mac))
1420 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1425 * defaults -- if userspace wants something else we'll
1426 * change it accordingly in sta_apply_parameters()
1428 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1429 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1430 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1433 err = sta_apply_parameters(local, sta, params);
1435 sta_info_free(local, sta);
1440 * for TDLS, rate control should be initialized only when
1441 * rates are known and station is marked authorized
1443 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1444 rate_control_rate_init(sta);
1446 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1447 sdata->vif.type == NL80211_IFTYPE_AP;
1449 err = sta_info_insert_rcu(sta);
1456 ieee80211_send_layer2_update(sta);
1463 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1466 struct ieee80211_sub_if_data *sdata;
1468 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1471 return sta_info_destroy_addr_bss(sdata, mac);
1473 sta_info_flush(sdata);
1477 static int ieee80211_change_station(struct wiphy *wiphy,
1478 struct net_device *dev, u8 *mac,
1479 struct station_parameters *params)
1481 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1482 struct ieee80211_local *local = wiphy_priv(wiphy);
1483 struct sta_info *sta;
1484 struct ieee80211_sub_if_data *vlansdata;
1485 enum cfg80211_station_type statype;
1488 mutex_lock(&local->sta_mtx);
1490 sta = sta_info_get_bss(sdata, mac);
1496 switch (sdata->vif.type) {
1497 case NL80211_IFTYPE_MESH_POINT:
1498 if (sdata->u.mesh.user_mpm)
1499 statype = CFG80211_STA_MESH_PEER_USER;
1501 statype = CFG80211_STA_MESH_PEER_KERNEL;
1503 case NL80211_IFTYPE_ADHOC:
1504 statype = CFG80211_STA_IBSS;
1506 case NL80211_IFTYPE_STATION:
1507 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1508 statype = CFG80211_STA_AP_STA;
1511 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1512 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1514 statype = CFG80211_STA_TDLS_PEER_SETUP;
1516 case NL80211_IFTYPE_AP:
1517 case NL80211_IFTYPE_AP_VLAN:
1518 statype = CFG80211_STA_AP_CLIENT;
1525 err = cfg80211_check_station_change(wiphy, params, statype);
1529 if (params->vlan && params->vlan != sta->sdata->dev) {
1530 bool prev_4addr = false;
1531 bool new_4addr = false;
1533 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1535 if (params->vlan->ieee80211_ptr->use_4addr) {
1536 if (vlansdata->u.vlan.sta) {
1541 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1545 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1546 sta->sdata->u.vlan.sta) {
1547 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1551 sta->sdata = vlansdata;
1553 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1554 prev_4addr != new_4addr) {
1556 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1558 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1561 ieee80211_send_layer2_update(sta);
1564 err = sta_apply_parameters(local, sta, params);
1568 /* When peer becomes authorized, init rate control as well */
1569 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1570 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1571 rate_control_rate_init(sta);
1573 mutex_unlock(&local->sta_mtx);
1575 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1576 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1577 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1578 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1579 sta_info_tx_streams(sta) != 1) {
1581 "%pM just authorized and MIMO capable - update SMPS\n",
1583 ieee80211_send_smps_action(sta->sdata,
1584 sta->sdata->bss->req_smps,
1586 sta->sdata->vif.bss_conf.bssid);
1589 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1590 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1591 ieee80211_recalc_ps(local, -1);
1592 ieee80211_recalc_ps_vif(sdata);
1597 mutex_unlock(&local->sta_mtx);
1601 #ifdef CONFIG_MAC80211_MESH
1602 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1603 u8 *dst, u8 *next_hop)
1605 struct ieee80211_sub_if_data *sdata;
1606 struct mesh_path *mpath;
1607 struct sta_info *sta;
1609 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1612 sta = sta_info_get(sdata, next_hop);
1618 mpath = mesh_path_add(sdata, dst);
1619 if (IS_ERR(mpath)) {
1621 return PTR_ERR(mpath);
1624 mesh_path_fix_nexthop(mpath, sta);
1630 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1633 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1636 return mesh_path_del(sdata, dst);
1638 mesh_path_flush_by_iface(sdata);
1642 static int ieee80211_change_mpath(struct wiphy *wiphy,
1643 struct net_device *dev,
1644 u8 *dst, u8 *next_hop)
1646 struct ieee80211_sub_if_data *sdata;
1647 struct mesh_path *mpath;
1648 struct sta_info *sta;
1650 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1654 sta = sta_info_get(sdata, next_hop);
1660 mpath = mesh_path_lookup(sdata, dst);
1666 mesh_path_fix_nexthop(mpath, sta);
1672 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1673 struct mpath_info *pinfo)
1675 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1678 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1680 memset(next_hop, 0, ETH_ALEN);
1682 memset(pinfo, 0, sizeof(*pinfo));
1684 pinfo->generation = mesh_paths_generation;
1686 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1689 MPATH_INFO_EXPTIME |
1690 MPATH_INFO_DISCOVERY_TIMEOUT |
1691 MPATH_INFO_DISCOVERY_RETRIES |
1694 pinfo->frame_qlen = mpath->frame_queue.qlen;
1695 pinfo->sn = mpath->sn;
1696 pinfo->metric = mpath->metric;
1697 if (time_before(jiffies, mpath->exp_time))
1698 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1699 pinfo->discovery_timeout =
1700 jiffies_to_msecs(mpath->discovery_timeout);
1701 pinfo->discovery_retries = mpath->discovery_retries;
1702 if (mpath->flags & MESH_PATH_ACTIVE)
1703 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1704 if (mpath->flags & MESH_PATH_RESOLVING)
1705 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1706 if (mpath->flags & MESH_PATH_SN_VALID)
1707 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1708 if (mpath->flags & MESH_PATH_FIXED)
1709 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1710 if (mpath->flags & MESH_PATH_RESOLVED)
1711 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1714 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1715 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1718 struct ieee80211_sub_if_data *sdata;
1719 struct mesh_path *mpath;
1721 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1724 mpath = mesh_path_lookup(sdata, dst);
1729 memcpy(dst, mpath->dst, ETH_ALEN);
1730 mpath_set_pinfo(mpath, next_hop, pinfo);
1735 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1736 int idx, u8 *dst, u8 *next_hop,
1737 struct mpath_info *pinfo)
1739 struct ieee80211_sub_if_data *sdata;
1740 struct mesh_path *mpath;
1742 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1745 mpath = mesh_path_lookup_by_idx(sdata, idx);
1750 memcpy(dst, mpath->dst, ETH_ALEN);
1751 mpath_set_pinfo(mpath, next_hop, pinfo);
1756 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1757 struct net_device *dev,
1758 struct mesh_config *conf)
1760 struct ieee80211_sub_if_data *sdata;
1761 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1763 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1767 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1769 return (mask >> (parm-1)) & 0x1;
1772 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1773 const struct mesh_setup *setup)
1777 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1778 struct ieee80211_sub_if_data, u.mesh);
1780 /* allocate information elements */
1784 if (setup->ie_len) {
1785 new_ie = kmemdup(setup->ie, setup->ie_len,
1790 ifmsh->ie_len = setup->ie_len;
1794 /* now copy the rest of the setup parameters */
1795 ifmsh->mesh_id_len = setup->mesh_id_len;
1796 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1797 ifmsh->mesh_sp_id = setup->sync_method;
1798 ifmsh->mesh_pp_id = setup->path_sel_proto;
1799 ifmsh->mesh_pm_id = setup->path_metric;
1800 ifmsh->user_mpm = setup->user_mpm;
1801 ifmsh->mesh_auth_id = setup->auth_id;
1802 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1803 if (setup->is_authenticated)
1804 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1805 if (setup->is_secure)
1806 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1808 /* mcast rate setting in Mesh Node */
1809 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1810 sizeof(setup->mcast_rate));
1811 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1813 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1814 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1819 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1820 struct net_device *dev, u32 mask,
1821 const struct mesh_config *nconf)
1823 struct mesh_config *conf;
1824 struct ieee80211_sub_if_data *sdata;
1825 struct ieee80211_if_mesh *ifmsh;
1827 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1828 ifmsh = &sdata->u.mesh;
1830 /* Set the config options which we are interested in setting */
1831 conf = &(sdata->u.mesh.mshcfg);
1832 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1833 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1834 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1835 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1836 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1837 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1838 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1839 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1840 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1841 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1842 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1843 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1844 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1845 conf->element_ttl = nconf->element_ttl;
1846 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1847 if (ifmsh->user_mpm)
1849 conf->auto_open_plinks = nconf->auto_open_plinks;
1851 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1852 conf->dot11MeshNbrOffsetMaxNeighbor =
1853 nconf->dot11MeshNbrOffsetMaxNeighbor;
1854 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1855 conf->dot11MeshHWMPmaxPREQretries =
1856 nconf->dot11MeshHWMPmaxPREQretries;
1857 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1858 conf->path_refresh_time = nconf->path_refresh_time;
1859 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1860 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1861 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1862 conf->dot11MeshHWMPactivePathTimeout =
1863 nconf->dot11MeshHWMPactivePathTimeout;
1864 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1865 conf->dot11MeshHWMPpreqMinInterval =
1866 nconf->dot11MeshHWMPpreqMinInterval;
1867 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1868 conf->dot11MeshHWMPperrMinInterval =
1869 nconf->dot11MeshHWMPperrMinInterval;
1870 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1872 conf->dot11MeshHWMPnetDiameterTraversalTime =
1873 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1874 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1875 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1876 ieee80211_mesh_root_setup(ifmsh);
1878 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1879 /* our current gate announcement implementation rides on root
1880 * announcements, so require this ifmsh to also be a root node
1882 if (nconf->dot11MeshGateAnnouncementProtocol &&
1883 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1884 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1885 ieee80211_mesh_root_setup(ifmsh);
1887 conf->dot11MeshGateAnnouncementProtocol =
1888 nconf->dot11MeshGateAnnouncementProtocol;
1890 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1891 conf->dot11MeshHWMPRannInterval =
1892 nconf->dot11MeshHWMPRannInterval;
1893 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1894 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1895 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1896 /* our RSSI threshold implementation is supported only for
1897 * devices that report signal in dBm.
1899 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1901 conf->rssi_threshold = nconf->rssi_threshold;
1903 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1904 conf->ht_opmode = nconf->ht_opmode;
1905 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1906 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1908 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1909 conf->dot11MeshHWMPactivePathToRootTimeout =
1910 nconf->dot11MeshHWMPactivePathToRootTimeout;
1911 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1912 conf->dot11MeshHWMProotInterval =
1913 nconf->dot11MeshHWMProotInterval;
1914 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1915 conf->dot11MeshHWMPconfirmationInterval =
1916 nconf->dot11MeshHWMPconfirmationInterval;
1917 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1918 conf->power_mode = nconf->power_mode;
1919 ieee80211_mps_local_status_update(sdata);
1921 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1922 conf->dot11MeshAwakeWindowDuration =
1923 nconf->dot11MeshAwakeWindowDuration;
1924 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1925 conf->plink_timeout = nconf->plink_timeout;
1926 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1930 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1931 const struct mesh_config *conf,
1932 const struct mesh_setup *setup)
1934 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1935 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1938 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1939 err = copy_mesh_setup(ifmsh, setup);
1943 /* can mesh use other SMPS modes? */
1944 sdata->smps_mode = IEEE80211_SMPS_OFF;
1945 sdata->needed_rx_chains = sdata->local->rx_chains;
1947 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1948 IEEE80211_CHANCTX_SHARED);
1952 return ieee80211_start_mesh(sdata);
1955 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1957 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1959 ieee80211_stop_mesh(sdata);
1960 ieee80211_vif_release_channel(sdata);
1966 static int ieee80211_change_bss(struct wiphy *wiphy,
1967 struct net_device *dev,
1968 struct bss_parameters *params)
1970 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1971 enum ieee80211_band band;
1974 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
1977 band = ieee80211_get_sdata_band(sdata);
1979 if (params->use_cts_prot >= 0) {
1980 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1981 changed |= BSS_CHANGED_ERP_CTS_PROT;
1983 if (params->use_short_preamble >= 0) {
1984 sdata->vif.bss_conf.use_short_preamble =
1985 params->use_short_preamble;
1986 changed |= BSS_CHANGED_ERP_PREAMBLE;
1989 if (!sdata->vif.bss_conf.use_short_slot &&
1990 band == IEEE80211_BAND_5GHZ) {
1991 sdata->vif.bss_conf.use_short_slot = true;
1992 changed |= BSS_CHANGED_ERP_SLOT;
1995 if (params->use_short_slot_time >= 0) {
1996 sdata->vif.bss_conf.use_short_slot =
1997 params->use_short_slot_time;
1998 changed |= BSS_CHANGED_ERP_SLOT;
2001 if (params->basic_rates) {
2002 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2004 params->basic_rates,
2005 params->basic_rates_len,
2006 &sdata->vif.bss_conf.basic_rates);
2007 changed |= BSS_CHANGED_BASIC_RATES;
2010 if (params->ap_isolate >= 0) {
2011 if (params->ap_isolate)
2012 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2014 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2017 if (params->ht_opmode >= 0) {
2018 sdata->vif.bss_conf.ht_operation_mode =
2019 (u16) params->ht_opmode;
2020 changed |= BSS_CHANGED_HT;
2023 if (params->p2p_ctwindow >= 0) {
2024 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2025 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2026 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2027 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2028 changed |= BSS_CHANGED_P2P_PS;
2031 if (params->p2p_opp_ps > 0) {
2032 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2033 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2034 changed |= BSS_CHANGED_P2P_PS;
2035 } else if (params->p2p_opp_ps == 0) {
2036 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2037 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2038 changed |= BSS_CHANGED_P2P_PS;
2041 ieee80211_bss_info_change_notify(sdata, changed);
2046 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2047 struct net_device *dev,
2048 struct ieee80211_txq_params *params)
2050 struct ieee80211_local *local = wiphy_priv(wiphy);
2051 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2052 struct ieee80211_tx_queue_params p;
2054 if (!local->ops->conf_tx)
2057 if (local->hw.queues < IEEE80211_NUM_ACS)
2060 memset(&p, 0, sizeof(p));
2061 p.aifs = params->aifs;
2062 p.cw_max = params->cwmax;
2063 p.cw_min = params->cwmin;
2064 p.txop = params->txop;
2067 * Setting tx queue params disables u-apsd because it's only
2068 * called in master mode.
2072 sdata->tx_conf[params->ac] = p;
2073 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2074 wiphy_debug(local->hw.wiphy,
2075 "failed to set TX queue parameters for AC %d\n",
2080 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2086 static int ieee80211_suspend(struct wiphy *wiphy,
2087 struct cfg80211_wowlan *wowlan)
2089 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2092 static int ieee80211_resume(struct wiphy *wiphy)
2094 return __ieee80211_resume(wiphy_priv(wiphy));
2097 #define ieee80211_suspend NULL
2098 #define ieee80211_resume NULL
2101 static int ieee80211_scan(struct wiphy *wiphy,
2102 struct cfg80211_scan_request *req)
2104 struct ieee80211_sub_if_data *sdata;
2106 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2108 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2109 case NL80211_IFTYPE_STATION:
2110 case NL80211_IFTYPE_ADHOC:
2111 case NL80211_IFTYPE_MESH_POINT:
2112 case NL80211_IFTYPE_P2P_CLIENT:
2113 case NL80211_IFTYPE_P2P_DEVICE:
2115 case NL80211_IFTYPE_P2P_GO:
2116 if (sdata->local->ops->hw_scan)
2119 * FIXME: implement NoA while scanning in software,
2120 * for now fall through to allow scanning only when
2121 * beaconing hasn't been configured yet
2123 case NL80211_IFTYPE_AP:
2125 * If the scan has been forced (and the driver supports
2126 * forcing), don't care about being beaconing already.
2127 * This will create problems to the attached stations (e.g. all
2128 * the frames sent while scanning on other channel will be
2131 if (sdata->u.ap.beacon &&
2132 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2133 !(req->flags & NL80211_SCAN_FLAG_AP)))
2140 return ieee80211_request_scan(sdata, req);
2144 ieee80211_sched_scan_start(struct wiphy *wiphy,
2145 struct net_device *dev,
2146 struct cfg80211_sched_scan_request *req)
2148 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2150 if (!sdata->local->ops->sched_scan_start)
2153 return ieee80211_request_sched_scan_start(sdata, req);
2157 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2159 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2161 if (!sdata->local->ops->sched_scan_stop)
2164 return ieee80211_request_sched_scan_stop(sdata);
2167 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2168 struct cfg80211_auth_request *req)
2170 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2173 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2174 struct cfg80211_assoc_request *req)
2176 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2179 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2180 struct cfg80211_deauth_request *req)
2182 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2185 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2186 struct cfg80211_disassoc_request *req)
2188 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2191 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2192 struct cfg80211_ibss_params *params)
2194 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2197 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2199 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2202 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2203 int rate[IEEE80211_NUM_BANDS])
2205 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2207 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2208 sizeof(int) * IEEE80211_NUM_BANDS);
2213 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2215 struct ieee80211_local *local = wiphy_priv(wiphy);
2218 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2219 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2225 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2226 err = drv_set_coverage_class(local, wiphy->coverage_class);
2232 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2233 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2239 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2240 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2242 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2244 if (changed & WIPHY_PARAM_RETRY_LONG) {
2245 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2247 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2250 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2251 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2256 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2257 struct wireless_dev *wdev,
2258 enum nl80211_tx_power_setting type, int mbm)
2260 struct ieee80211_local *local = wiphy_priv(wiphy);
2261 struct ieee80211_sub_if_data *sdata;
2264 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2267 case NL80211_TX_POWER_AUTOMATIC:
2268 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2270 case NL80211_TX_POWER_LIMITED:
2271 case NL80211_TX_POWER_FIXED:
2272 if (mbm < 0 || (mbm % 100))
2274 sdata->user_power_level = MBM_TO_DBM(mbm);
2278 ieee80211_recalc_txpower(sdata);
2284 case NL80211_TX_POWER_AUTOMATIC:
2285 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2287 case NL80211_TX_POWER_LIMITED:
2288 case NL80211_TX_POWER_FIXED:
2289 if (mbm < 0 || (mbm % 100))
2291 local->user_power_level = MBM_TO_DBM(mbm);
2295 mutex_lock(&local->iflist_mtx);
2296 list_for_each_entry(sdata, &local->interfaces, list)
2297 sdata->user_power_level = local->user_power_level;
2298 list_for_each_entry(sdata, &local->interfaces, list)
2299 ieee80211_recalc_txpower(sdata);
2300 mutex_unlock(&local->iflist_mtx);
2305 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2306 struct wireless_dev *wdev,
2309 struct ieee80211_local *local = wiphy_priv(wiphy);
2310 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2312 if (!local->use_chanctx)
2313 *dbm = local->hw.conf.power_level;
2315 *dbm = sdata->vif.bss_conf.txpower;
2320 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2323 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2325 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2330 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2332 struct ieee80211_local *local = wiphy_priv(wiphy);
2334 drv_rfkill_poll(local);
2337 #ifdef CONFIG_NL80211_TESTMODE
2338 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2339 struct wireless_dev *wdev,
2340 void *data, int len)
2342 struct ieee80211_local *local = wiphy_priv(wiphy);
2343 struct ieee80211_vif *vif = NULL;
2345 if (!local->ops->testmode_cmd)
2349 struct ieee80211_sub_if_data *sdata;
2351 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2352 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2356 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2359 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2360 struct sk_buff *skb,
2361 struct netlink_callback *cb,
2362 void *data, int len)
2364 struct ieee80211_local *local = wiphy_priv(wiphy);
2366 if (!local->ops->testmode_dump)
2369 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2373 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2374 enum ieee80211_smps_mode smps_mode)
2376 struct sta_info *sta;
2377 enum ieee80211_smps_mode old_req;
2380 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2383 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2386 old_req = sdata->u.ap.req_smps;
2387 sdata->u.ap.req_smps = smps_mode;
2389 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2390 if (old_req == smps_mode ||
2391 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2394 /* If no associated stations, there's no need to do anything */
2395 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2396 sdata->smps_mode = smps_mode;
2397 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2402 "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2403 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2405 mutex_lock(&sdata->local->sta_mtx);
2406 for (i = 0; i < STA_HASH_SIZE; i++) {
2407 for (sta = rcu_dereference_protected(sdata->local->sta_hash[i],
2408 lockdep_is_held(&sdata->local->sta_mtx));
2410 sta = rcu_dereference_protected(sta->hnext,
2411 lockdep_is_held(&sdata->local->sta_mtx))) {
2413 * Only stations associated to our AP and
2416 if (sta->sdata->bss != &sdata->u.ap)
2419 /* This station doesn't support MIMO - skip it */
2420 if (sta_info_tx_streams(sta) == 1)
2424 * Don't wake up a STA just to send the action frame
2425 * unless we are getting more restrictive.
2427 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2428 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2431 "Won't send SMPS to sleeping STA %pM\n",
2437 * If the STA is not authorized, wait until it gets
2438 * authorized and the action frame will be sent then.
2440 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2443 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2444 ieee80211_send_smps_action(sdata, smps_mode,
2446 sdata->vif.bss_conf.bssid);
2449 mutex_unlock(&sdata->local->sta_mtx);
2451 sdata->smps_mode = smps_mode;
2452 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2457 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2458 enum ieee80211_smps_mode smps_mode)
2461 enum ieee80211_smps_mode old_req;
2464 lockdep_assert_held(&sdata->wdev.mtx);
2466 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2469 old_req = sdata->u.mgd.req_smps;
2470 sdata->u.mgd.req_smps = smps_mode;
2472 if (old_req == smps_mode &&
2473 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2477 * If not associated, or current association is not an HT
2478 * association, there's no need to do anything, just store
2479 * the new value until we associate.
2481 if (!sdata->u.mgd.associated ||
2482 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2485 ap = sdata->u.mgd.associated->bssid;
2487 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2488 if (sdata->u.mgd.powersave)
2489 smps_mode = IEEE80211_SMPS_DYNAMIC;
2491 smps_mode = IEEE80211_SMPS_OFF;
2494 /* send SM PS frame to AP */
2495 err = ieee80211_send_smps_action(sdata, smps_mode,
2498 sdata->u.mgd.req_smps = old_req;
2503 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2504 bool enabled, int timeout)
2506 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2507 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2509 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2512 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2515 if (enabled == sdata->u.mgd.powersave &&
2516 timeout == local->dynamic_ps_forced_timeout)
2519 sdata->u.mgd.powersave = enabled;
2520 local->dynamic_ps_forced_timeout = timeout;
2522 /* no change, but if automatic follow powersave */
2524 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2525 sdata_unlock(sdata);
2527 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2528 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2530 ieee80211_recalc_ps(local, -1);
2531 ieee80211_recalc_ps_vif(sdata);
2536 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2537 struct net_device *dev,
2538 s32 rssi_thold, u32 rssi_hyst)
2540 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2541 struct ieee80211_vif *vif = &sdata->vif;
2542 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2544 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2545 rssi_hyst == bss_conf->cqm_rssi_hyst)
2548 bss_conf->cqm_rssi_thold = rssi_thold;
2549 bss_conf->cqm_rssi_hyst = rssi_hyst;
2551 /* tell the driver upon association, unless already associated */
2552 if (sdata->u.mgd.associated &&
2553 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2554 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2559 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2560 struct net_device *dev,
2562 const struct cfg80211_bitrate_mask *mask)
2564 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2565 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2568 if (!ieee80211_sdata_running(sdata))
2571 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2572 ret = drv_set_bitrate_mask(local, sdata, mask);
2577 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2578 struct ieee80211_supported_band *sband = wiphy->bands[i];
2581 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2582 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2583 sizeof(mask->control[i].ht_mcs));
2585 sdata->rc_has_mcs_mask[i] = false;
2589 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2590 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2591 sdata->rc_has_mcs_mask[i] = true;
2599 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2600 struct ieee80211_sub_if_data *sdata,
2601 struct ieee80211_channel *channel,
2602 unsigned int duration, u64 *cookie,
2603 struct sk_buff *txskb,
2604 enum ieee80211_roc_type type)
2606 struct ieee80211_roc_work *roc, *tmp;
2607 bool queued = false;
2610 lockdep_assert_held(&local->mtx);
2612 if (local->use_chanctx && !local->ops->remain_on_channel)
2615 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2619 roc->chan = channel;
2620 roc->duration = duration;
2621 roc->req_duration = duration;
2624 roc->mgmt_tx_cookie = (unsigned long)txskb;
2626 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2627 INIT_LIST_HEAD(&roc->dependents);
2629 /* if there's one pending or we're scanning, queue this one */
2630 if (!list_empty(&local->roc_list) ||
2631 local->scanning || local->radar_detect_enabled)
2632 goto out_check_combine;
2634 /* if not HW assist, just queue & schedule work */
2635 if (!local->ops->remain_on_channel) {
2636 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2640 /* otherwise actually kick it off here (for error handling) */
2643 * If the duration is zero, then the driver
2644 * wouldn't actually do anything. Set it to
2647 * TODO: cancel the off-channel operation
2648 * when we get the SKB's TX status and
2649 * the wait time was zero before.
2654 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
2660 roc->started = true;
2664 list_for_each_entry(tmp, &local->roc_list, list) {
2665 if (tmp->chan != channel || tmp->sdata != sdata)
2669 * Extend this ROC if possible:
2671 * If it hasn't started yet, just increase the duration
2672 * and add the new one to the list of dependents.
2673 * If the type of the new ROC has higher priority, modify the
2674 * type of the previous one to match that of the new one.
2676 if (!tmp->started) {
2677 list_add_tail(&roc->list, &tmp->dependents);
2678 tmp->duration = max(tmp->duration, roc->duration);
2679 tmp->type = max(tmp->type, roc->type);
2684 /* If it has already started, it's more difficult ... */
2685 if (local->ops->remain_on_channel) {
2686 unsigned long j = jiffies;
2689 * In the offloaded ROC case, if it hasn't begun, add
2690 * this new one to the dependent list to be handled
2691 * when the master one begins. If it has begun,
2692 * check that there's still a minimum time left and
2693 * if so, start this one, transmitting the frame, but
2694 * add it to the list directly after this one with
2695 * a reduced time so we'll ask the driver to execute
2696 * it right after finishing the previous one, in the
2697 * hope that it'll also be executed right afterwards,
2698 * effectively extending the old one.
2699 * If there's no minimum time left, just add it to the
2701 * TODO: the ROC type is ignored here, assuming that it
2702 * is better to immediately use the current ROC.
2704 if (!tmp->hw_begun) {
2705 list_add_tail(&roc->list, &tmp->dependents);
2710 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2711 tmp->hw_start_time +
2712 msecs_to_jiffies(tmp->duration))) {
2715 ieee80211_handle_roc_started(roc);
2717 new_dur = roc->duration -
2718 jiffies_to_msecs(tmp->hw_start_time +
2724 /* add right after tmp */
2725 list_add(&roc->list, &tmp->list);
2727 list_add_tail(&roc->list,
2732 } else if (del_timer_sync(&tmp->work.timer)) {
2733 unsigned long new_end;
2736 * In the software ROC case, cancel the timer, if
2737 * that fails then the finish work is already
2738 * queued/pending and thus we queue the new ROC
2739 * normally, if that succeeds then we can extend
2740 * the timer duration and TX the frame (if any.)
2743 list_add_tail(&roc->list, &tmp->dependents);
2746 new_end = jiffies + msecs_to_jiffies(roc->duration);
2748 /* ok, it was started & we canceled timer */
2749 if (time_after(new_end, tmp->work.timer.expires))
2750 mod_timer(&tmp->work.timer, new_end);
2752 add_timer(&tmp->work.timer);
2754 ieee80211_handle_roc_started(roc);
2761 list_add_tail(&roc->list, &local->roc_list);
2764 * cookie is either the roc cookie (for normal roc)
2765 * or the SKB (for mgmt TX)
2768 /* local->mtx protects this */
2769 local->roc_cookie_counter++;
2770 roc->cookie = local->roc_cookie_counter;
2771 /* wow, you wrapped 64 bits ... more likely a bug */
2772 if (WARN_ON(roc->cookie == 0)) {
2774 local->roc_cookie_counter++;
2776 *cookie = roc->cookie;
2778 *cookie = (unsigned long)txskb;
2784 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2785 struct wireless_dev *wdev,
2786 struct ieee80211_channel *chan,
2787 unsigned int duration,
2790 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2791 struct ieee80211_local *local = sdata->local;
2794 mutex_lock(&local->mtx);
2795 ret = ieee80211_start_roc_work(local, sdata, chan,
2796 duration, cookie, NULL,
2797 IEEE80211_ROC_TYPE_NORMAL);
2798 mutex_unlock(&local->mtx);
2803 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2804 u64 cookie, bool mgmt_tx)
2806 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2809 mutex_lock(&local->mtx);
2810 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2811 struct ieee80211_roc_work *dep, *tmp2;
2813 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2814 if (!mgmt_tx && dep->cookie != cookie)
2816 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2818 /* found dependent item -- just remove it */
2819 list_del(&dep->list);
2820 mutex_unlock(&local->mtx);
2822 ieee80211_roc_notify_destroy(dep, true);
2826 if (!mgmt_tx && roc->cookie != cookie)
2828 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2836 mutex_unlock(&local->mtx);
2841 * We found the item to cancel, so do that. Note that it
2842 * may have dependents, which we also cancel (and send
2843 * the expired signal for.) Not doing so would be quite
2844 * tricky here, but we may need to fix it later.
2847 if (local->ops->remain_on_channel) {
2848 if (found->started) {
2849 ret = drv_cancel_remain_on_channel(local);
2850 if (WARN_ON_ONCE(ret)) {
2851 mutex_unlock(&local->mtx);
2856 list_del(&found->list);
2859 ieee80211_start_next_roc(local);
2860 mutex_unlock(&local->mtx);
2862 ieee80211_roc_notify_destroy(found, true);
2864 /* work may be pending so use it all the time */
2865 found->abort = true;
2866 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2868 mutex_unlock(&local->mtx);
2870 /* work will clean up etc */
2871 flush_delayed_work(&found->work);
2872 WARN_ON(!found->to_be_freed);
2879 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2880 struct wireless_dev *wdev,
2883 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2884 struct ieee80211_local *local = sdata->local;
2886 return ieee80211_cancel_roc(local, cookie, false);
2889 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2890 struct net_device *dev,
2891 struct cfg80211_chan_def *chandef)
2893 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2894 struct ieee80211_local *local = sdata->local;
2895 unsigned long timeout;
2898 if (!list_empty(&local->roc_list) || local->scanning)
2901 /* whatever, but channel contexts should not complain about that one */
2902 sdata->smps_mode = IEEE80211_SMPS_OFF;
2903 sdata->needed_rx_chains = local->rx_chains;
2904 sdata->radar_required = true;
2906 err = ieee80211_vif_use_channel(sdata, chandef,
2907 IEEE80211_CHANCTX_SHARED);
2911 timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2912 ieee80211_queue_delayed_work(&sdata->local->hw,
2913 &sdata->dfs_cac_timer_work, timeout);
2918 static struct cfg80211_beacon_data *
2919 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2921 struct cfg80211_beacon_data *new_beacon;
2925 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2926 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2927 beacon->probe_resp_len;
2929 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2933 pos = (u8 *)(new_beacon + 1);
2934 if (beacon->head_len) {
2935 new_beacon->head_len = beacon->head_len;
2936 new_beacon->head = pos;
2937 memcpy(pos, beacon->head, beacon->head_len);
2938 pos += beacon->head_len;
2940 if (beacon->tail_len) {
2941 new_beacon->tail_len = beacon->tail_len;
2942 new_beacon->tail = pos;
2943 memcpy(pos, beacon->tail, beacon->tail_len);
2944 pos += beacon->tail_len;
2946 if (beacon->beacon_ies_len) {
2947 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2948 new_beacon->beacon_ies = pos;
2949 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2950 pos += beacon->beacon_ies_len;
2952 if (beacon->proberesp_ies_len) {
2953 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2954 new_beacon->proberesp_ies = pos;
2955 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2956 pos += beacon->proberesp_ies_len;
2958 if (beacon->assocresp_ies_len) {
2959 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2960 new_beacon->assocresp_ies = pos;
2961 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2962 pos += beacon->assocresp_ies_len;
2964 if (beacon->probe_resp_len) {
2965 new_beacon->probe_resp_len = beacon->probe_resp_len;
2966 beacon->probe_resp = pos;
2967 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2968 pos += beacon->probe_resp_len;
2974 void ieee80211_csa_finalize_work(struct work_struct *work)
2976 struct ieee80211_sub_if_data *sdata =
2977 container_of(work, struct ieee80211_sub_if_data,
2979 struct ieee80211_local *local = sdata->local;
2980 int err, changed = 0;
2983 /* AP might have been stopped while waiting for the lock. */
2984 if (!sdata->vif.csa_active)
2987 if (!ieee80211_sdata_running(sdata))
2990 sdata->radar_required = sdata->csa_radar_required;
2991 err = ieee80211_vif_change_channel(sdata, &changed);
2992 if (WARN_ON(err < 0))
2995 if (!local->use_chanctx) {
2996 local->_oper_chandef = sdata->csa_chandef;
2997 ieee80211_hw_config(local, 0);
3000 ieee80211_bss_info_change_notify(sdata, changed);
3002 sdata->vif.csa_active = false;
3003 switch (sdata->vif.type) {
3004 case NL80211_IFTYPE_AP:
3005 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon);
3010 kfree(sdata->u.ap.next_beacon);
3011 sdata->u.ap.next_beacon = NULL;
3013 ieee80211_bss_info_change_notify(sdata, err);
3015 case NL80211_IFTYPE_ADHOC:
3016 ieee80211_ibss_finish_csa(sdata);
3018 #ifdef CONFIG_MAC80211_MESH
3019 case NL80211_IFTYPE_MESH_POINT:
3020 err = ieee80211_mesh_finish_csa(sdata);
3030 ieee80211_wake_queues_by_reason(&sdata->local->hw,
3031 IEEE80211_MAX_QUEUE_MAP,
3032 IEEE80211_QUEUE_STOP_REASON_CSA);
3034 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3037 sdata_unlock(sdata);
3040 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3041 struct cfg80211_csa_settings *params)
3043 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3044 struct ieee80211_local *local = sdata->local;
3045 struct ieee80211_chanctx_conf *chanctx_conf;
3046 struct ieee80211_chanctx *chanctx;
3047 struct ieee80211_if_mesh __maybe_unused *ifmsh;
3048 int err, num_chanctx;
3050 lockdep_assert_held(&sdata->wdev.mtx);
3052 if (!list_empty(&local->roc_list) || local->scanning)
3055 if (sdata->wdev.cac_started)
3058 if (cfg80211_chandef_identical(¶ms->chandef,
3059 &sdata->vif.bss_conf.chandef))
3063 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3064 if (!chanctx_conf) {
3069 /* don't handle for multi-VIF cases */
3070 chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf);
3071 if (chanctx->refcount > 1) {
3076 list_for_each_entry_rcu(chanctx, &local->chanctx_list, list)
3080 if (num_chanctx > 1)
3083 /* don't allow another channel switch if one is already active. */
3084 if (sdata->vif.csa_active)
3087 switch (sdata->vif.type) {
3088 case NL80211_IFTYPE_AP:
3089 sdata->csa_counter_offset_beacon =
3090 params->counter_offset_beacon;
3091 sdata->csa_counter_offset_presp = params->counter_offset_presp;
3092 sdata->u.ap.next_beacon =
3093 cfg80211_beacon_dup(¶ms->beacon_after);
3094 if (!sdata->u.ap.next_beacon)
3097 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa);
3099 kfree(sdata->u.ap.next_beacon);
3103 case NL80211_IFTYPE_ADHOC:
3104 if (!sdata->vif.bss_conf.ibss_joined)
3107 if (params->chandef.width != sdata->u.ibss.chandef.width)
3110 switch (params->chandef.width) {
3111 case NL80211_CHAN_WIDTH_40:
3112 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3113 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3115 case NL80211_CHAN_WIDTH_5:
3116 case NL80211_CHAN_WIDTH_10:
3117 case NL80211_CHAN_WIDTH_20_NOHT:
3118 case NL80211_CHAN_WIDTH_20:
3124 /* changes into another band are not supported */
3125 if (sdata->u.ibss.chandef.chan->band !=
3126 params->chandef.chan->band)
3129 err = ieee80211_ibss_csa_beacon(sdata, params);
3133 #ifdef CONFIG_MAC80211_MESH
3134 case NL80211_IFTYPE_MESH_POINT:
3135 ifmsh = &sdata->u.mesh;
3137 if (!ifmsh->mesh_id)
3140 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3143 /* changes into another band are not supported */
3144 if (sdata->vif.bss_conf.chandef.chan->band !=
3145 params->chandef.chan->band)
3148 ifmsh->chsw_init = true;
3149 if (!ifmsh->pre_value)
3150 ifmsh->pre_value = 1;
3154 err = ieee80211_mesh_csa_beacon(sdata, params, true);
3156 ifmsh->chsw_init = false;
3165 sdata->csa_radar_required = params->radar_required;
3167 if (params->block_tx)
3168 ieee80211_stop_queues_by_reason(&local->hw,
3169 IEEE80211_MAX_QUEUE_MAP,
3170 IEEE80211_QUEUE_STOP_REASON_CSA);
3172 sdata->csa_chandef = params->chandef;
3173 sdata->vif.csa_active = true;
3175 ieee80211_bss_info_change_notify(sdata, err);
3176 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3181 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3182 struct cfg80211_mgmt_tx_params *params,
3185 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3186 struct ieee80211_local *local = sdata->local;
3187 struct sk_buff *skb;
3188 struct sta_info *sta;
3189 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
3190 bool need_offchan = false;
3194 if (params->dont_wait_for_ack)
3195 flags = IEEE80211_TX_CTL_NO_ACK;
3197 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3198 IEEE80211_TX_CTL_REQ_TX_STATUS;
3201 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3203 switch (sdata->vif.type) {
3204 case NL80211_IFTYPE_ADHOC:
3205 if (!sdata->vif.bss_conf.ibss_joined)
3206 need_offchan = true;
3208 #ifdef CONFIG_MAC80211_MESH
3209 case NL80211_IFTYPE_MESH_POINT:
3210 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3211 !sdata->u.mesh.mesh_id_len)
3212 need_offchan = true;
3215 case NL80211_IFTYPE_AP:
3216 case NL80211_IFTYPE_AP_VLAN:
3217 case NL80211_IFTYPE_P2P_GO:
3218 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3219 !ieee80211_vif_is_mesh(&sdata->vif) &&
3220 !rcu_access_pointer(sdata->bss->beacon))
3221 need_offchan = true;
3222 if (!ieee80211_is_action(mgmt->frame_control) ||
3223 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
3224 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3225 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
3228 sta = sta_info_get(sdata, mgmt->da);
3233 case NL80211_IFTYPE_STATION:
3234 case NL80211_IFTYPE_P2P_CLIENT:
3235 if (!sdata->u.mgd.associated)
3236 need_offchan = true;
3238 case NL80211_IFTYPE_P2P_DEVICE:
3239 need_offchan = true;
3245 /* configurations requiring offchan cannot work if no channel has been
3248 if (need_offchan && !params->chan)
3251 mutex_lock(&local->mtx);
3253 /* Check if the operating channel is the requested channel */
3254 if (!need_offchan) {
3255 struct ieee80211_chanctx_conf *chanctx_conf;
3258 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3261 need_offchan = params->chan &&
3263 chanctx_conf->def.chan);
3264 } else if (!params->chan) {
3269 need_offchan = true;
3274 if (need_offchan && !params->offchan) {
3279 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
3284 skb_reserve(skb, local->hw.extra_tx_headroom);
3286 memcpy(skb_put(skb, params->len), params->buf, params->len);
3288 IEEE80211_SKB_CB(skb)->flags = flags;
3290 skb->dev = sdata->dev;
3292 if (!need_offchan) {
3293 *cookie = (unsigned long) skb;
3294 ieee80211_tx_skb(sdata, skb);
3299 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3300 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
3301 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3302 IEEE80211_SKB_CB(skb)->hw_queue =
3303 local->hw.offchannel_tx_hw_queue;
3305 /* This will handle all kinds of coalescing and immediate TX */
3306 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3307 params->wait, cookie, skb,
3308 IEEE80211_ROC_TYPE_MGMT_TX);
3312 mutex_unlock(&local->mtx);
3316 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
3317 struct wireless_dev *wdev,
3320 struct ieee80211_local *local = wiphy_priv(wiphy);
3322 return ieee80211_cancel_roc(local, cookie, true);
3325 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3326 struct wireless_dev *wdev,
3327 u16 frame_type, bool reg)
3329 struct ieee80211_local *local = wiphy_priv(wiphy);
3331 switch (frame_type) {
3332 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3334 local->probe_req_reg++;
3336 local->probe_req_reg--;
3338 if (!local->open_count)
3341 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3348 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3350 struct ieee80211_local *local = wiphy_priv(wiphy);
3355 return drv_set_antenna(local, tx_ant, rx_ant);
3358 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3360 struct ieee80211_local *local = wiphy_priv(wiphy);
3362 return drv_get_antenna(local, tx_ant, rx_ant);
3365 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
3367 struct ieee80211_local *local = wiphy_priv(wiphy);
3369 return drv_set_ringparam(local, tx, rx);
3372 static void ieee80211_get_ringparam(struct wiphy *wiphy,
3373 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
3375 struct ieee80211_local *local = wiphy_priv(wiphy);
3377 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
3380 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3381 struct net_device *dev,
3382 struct cfg80211_gtk_rekey_data *data)
3384 struct ieee80211_local *local = wiphy_priv(wiphy);
3385 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3387 if (!local->ops->set_rekey_data)
3390 drv_set_rekey_data(local, sdata, data);
3395 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
3397 u8 *pos = (void *)skb_put(skb, 7);
3399 *pos++ = WLAN_EID_EXT_CAPABILITY;
3400 *pos++ = 5; /* len */
3405 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
3408 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
3410 struct ieee80211_local *local = sdata->local;
3414 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
3417 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
3418 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
3419 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
3420 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
3425 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
3426 u8 *peer, u8 *bssid)
3428 struct ieee80211_tdls_lnkie *lnkid;
3430 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
3432 lnkid->ie_type = WLAN_EID_LINK_ID;
3433 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
3435 memcpy(lnkid->bssid, bssid, ETH_ALEN);
3436 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
3437 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
3441 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
3442 u8 *peer, u8 action_code, u8 dialog_token,
3443 u16 status_code, struct sk_buff *skb)
3445 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3446 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3447 struct ieee80211_tdls_data *tf;
3449 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3451 memcpy(tf->da, peer, ETH_ALEN);
3452 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3453 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3454 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3456 switch (action_code) {
3457 case WLAN_TDLS_SETUP_REQUEST:
3458 tf->category = WLAN_CATEGORY_TDLS;
3459 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3461 skb_put(skb, sizeof(tf->u.setup_req));
3462 tf->u.setup_req.dialog_token = dialog_token;
3463 tf->u.setup_req.capability =
3464 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3466 ieee80211_add_srates_ie(sdata, skb, false, band);
3467 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3468 ieee80211_tdls_add_ext_capab(skb);
3470 case WLAN_TDLS_SETUP_RESPONSE:
3471 tf->category = WLAN_CATEGORY_TDLS;
3472 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3474 skb_put(skb, sizeof(tf->u.setup_resp));
3475 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3476 tf->u.setup_resp.dialog_token = dialog_token;
3477 tf->u.setup_resp.capability =
3478 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3480 ieee80211_add_srates_ie(sdata, skb, false, band);
3481 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3482 ieee80211_tdls_add_ext_capab(skb);
3484 case WLAN_TDLS_SETUP_CONFIRM:
3485 tf->category = WLAN_CATEGORY_TDLS;
3486 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3488 skb_put(skb, sizeof(tf->u.setup_cfm));
3489 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3490 tf->u.setup_cfm.dialog_token = dialog_token;
3492 case WLAN_TDLS_TEARDOWN:
3493 tf->category = WLAN_CATEGORY_TDLS;
3494 tf->action_code = WLAN_TDLS_TEARDOWN;
3496 skb_put(skb, sizeof(tf->u.teardown));
3497 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3499 case WLAN_TDLS_DISCOVERY_REQUEST:
3500 tf->category = WLAN_CATEGORY_TDLS;
3501 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3503 skb_put(skb, sizeof(tf->u.discover_req));
3504 tf->u.discover_req.dialog_token = dialog_token;
3514 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3515 u8 *peer, u8 action_code, u8 dialog_token,
3516 u16 status_code, struct sk_buff *skb)
3518 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3519 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3520 struct ieee80211_mgmt *mgmt;
3522 mgmt = (void *)skb_put(skb, 24);
3523 memset(mgmt, 0, 24);
3524 memcpy(mgmt->da, peer, ETH_ALEN);
3525 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3526 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3528 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3529 IEEE80211_STYPE_ACTION);
3531 switch (action_code) {
3532 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3533 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3534 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3535 mgmt->u.action.u.tdls_discover_resp.action_code =
3536 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3537 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3539 mgmt->u.action.u.tdls_discover_resp.capability =
3540 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3542 ieee80211_add_srates_ie(sdata, skb, false, band);
3543 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3544 ieee80211_tdls_add_ext_capab(skb);
3553 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3554 u8 *peer, u8 action_code, u8 dialog_token,
3555 u16 status_code, const u8 *extra_ies,
3556 size_t extra_ies_len)
3558 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3559 struct ieee80211_local *local = sdata->local;
3560 struct sk_buff *skb = NULL;
3564 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3567 /* make sure we are in managed mode, and associated */
3568 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3569 !sdata->u.mgd.associated)
3572 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3575 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3576 max(sizeof(struct ieee80211_mgmt),
3577 sizeof(struct ieee80211_tdls_data)) +
3578 50 + /* supported rates */
3581 sizeof(struct ieee80211_tdls_lnkie));
3585 skb_reserve(skb, local->hw.extra_tx_headroom);
3587 switch (action_code) {
3588 case WLAN_TDLS_SETUP_REQUEST:
3589 case WLAN_TDLS_SETUP_RESPONSE:
3590 case WLAN_TDLS_SETUP_CONFIRM:
3591 case WLAN_TDLS_TEARDOWN:
3592 case WLAN_TDLS_DISCOVERY_REQUEST:
3593 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3594 action_code, dialog_token,
3596 send_direct = false;
3598 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3599 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3600 dialog_token, status_code,
3613 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3615 /* the TDLS link IE is always added last */
3616 switch (action_code) {
3617 case WLAN_TDLS_SETUP_REQUEST:
3618 case WLAN_TDLS_SETUP_CONFIRM:
3619 case WLAN_TDLS_TEARDOWN:
3620 case WLAN_TDLS_DISCOVERY_REQUEST:
3621 /* we are the initiator */
3622 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3623 sdata->u.mgd.bssid);
3625 case WLAN_TDLS_SETUP_RESPONSE:
3626 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3627 /* we are the responder */
3628 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3629 sdata->u.mgd.bssid);
3637 ieee80211_tx_skb(sdata, skb);
3642 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3643 * we should default to AC_VI.
3645 switch (action_code) {
3646 case WLAN_TDLS_SETUP_REQUEST:
3647 case WLAN_TDLS_SETUP_RESPONSE:
3648 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3652 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3657 /* disable bottom halves when entering the Tx path */
3659 ret = ieee80211_subif_start_xmit(skb, dev);
3669 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3670 u8 *peer, enum nl80211_tdls_operation oper)
3672 struct sta_info *sta;
3673 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3675 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3678 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3681 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
3684 case NL80211_TDLS_ENABLE_LINK:
3686 sta = sta_info_get(sdata, peer);
3692 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
3695 case NL80211_TDLS_DISABLE_LINK:
3696 return sta_info_destroy_addr(sdata, peer);
3697 case NL80211_TDLS_TEARDOWN:
3698 case NL80211_TDLS_SETUP:
3699 case NL80211_TDLS_DISCOVERY_REQ:
3700 /* We don't support in-driver setup/teardown/discovery */
3709 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3710 const u8 *peer, u64 *cookie)
3712 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3713 struct ieee80211_local *local = sdata->local;
3714 struct ieee80211_qos_hdr *nullfunc;
3715 struct sk_buff *skb;
3716 int size = sizeof(*nullfunc);
3719 struct ieee80211_tx_info *info;
3720 struct sta_info *sta;
3721 struct ieee80211_chanctx_conf *chanctx_conf;
3722 enum ieee80211_band band;
3725 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3726 if (WARN_ON(!chanctx_conf)) {
3730 band = chanctx_conf->def.chan->band;
3731 sta = sta_info_get_bss(sdata, peer);
3733 qos = test_sta_flag(sta, WLAN_STA_WME);
3740 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3741 IEEE80211_STYPE_QOS_NULLFUNC |
3742 IEEE80211_FCTL_FROMDS);
3745 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3746 IEEE80211_STYPE_NULLFUNC |
3747 IEEE80211_FCTL_FROMDS);
3750 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3758 skb_reserve(skb, local->hw.extra_tx_headroom);
3760 nullfunc = (void *) skb_put(skb, size);
3761 nullfunc->frame_control = fc;
3762 nullfunc->duration_id = 0;
3763 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3764 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3765 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3766 nullfunc->seq_ctrl = 0;
3768 info = IEEE80211_SKB_CB(skb);
3770 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3771 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3773 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3776 nullfunc->qos_ctrl = cpu_to_le16(7);
3779 ieee80211_xmit(sdata, skb, band);
3783 *cookie = (unsigned long) skb;
3787 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3788 struct wireless_dev *wdev,
3789 struct cfg80211_chan_def *chandef)
3791 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3792 struct ieee80211_local *local = wiphy_priv(wiphy);
3793 struct ieee80211_chanctx_conf *chanctx_conf;
3797 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3799 *chandef = chanctx_conf->def;
3801 } else if (local->open_count > 0 &&
3802 local->open_count == local->monitors &&
3803 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3804 if (local->use_chanctx)
3805 *chandef = local->monitor_chandef;
3807 *chandef = local->_oper_chandef;
3816 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3818 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3822 struct cfg80211_ops mac80211_config_ops = {
3823 .add_virtual_intf = ieee80211_add_iface,
3824 .del_virtual_intf = ieee80211_del_iface,
3825 .change_virtual_intf = ieee80211_change_iface,
3826 .start_p2p_device = ieee80211_start_p2p_device,
3827 .stop_p2p_device = ieee80211_stop_p2p_device,
3828 .add_key = ieee80211_add_key,
3829 .del_key = ieee80211_del_key,
3830 .get_key = ieee80211_get_key,
3831 .set_default_key = ieee80211_config_default_key,
3832 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3833 .start_ap = ieee80211_start_ap,
3834 .change_beacon = ieee80211_change_beacon,
3835 .stop_ap = ieee80211_stop_ap,
3836 .add_station = ieee80211_add_station,
3837 .del_station = ieee80211_del_station,
3838 .change_station = ieee80211_change_station,
3839 .get_station = ieee80211_get_station,
3840 .dump_station = ieee80211_dump_station,
3841 .dump_survey = ieee80211_dump_survey,
3842 #ifdef CONFIG_MAC80211_MESH
3843 .add_mpath = ieee80211_add_mpath,
3844 .del_mpath = ieee80211_del_mpath,
3845 .change_mpath = ieee80211_change_mpath,
3846 .get_mpath = ieee80211_get_mpath,
3847 .dump_mpath = ieee80211_dump_mpath,
3848 .update_mesh_config = ieee80211_update_mesh_config,
3849 .get_mesh_config = ieee80211_get_mesh_config,
3850 .join_mesh = ieee80211_join_mesh,
3851 .leave_mesh = ieee80211_leave_mesh,
3853 .change_bss = ieee80211_change_bss,
3854 .set_txq_params = ieee80211_set_txq_params,
3855 .set_monitor_channel = ieee80211_set_monitor_channel,
3856 .suspend = ieee80211_suspend,
3857 .resume = ieee80211_resume,
3858 .scan = ieee80211_scan,
3859 .sched_scan_start = ieee80211_sched_scan_start,
3860 .sched_scan_stop = ieee80211_sched_scan_stop,
3861 .auth = ieee80211_auth,
3862 .assoc = ieee80211_assoc,
3863 .deauth = ieee80211_deauth,
3864 .disassoc = ieee80211_disassoc,
3865 .join_ibss = ieee80211_join_ibss,
3866 .leave_ibss = ieee80211_leave_ibss,
3867 .set_mcast_rate = ieee80211_set_mcast_rate,
3868 .set_wiphy_params = ieee80211_set_wiphy_params,
3869 .set_tx_power = ieee80211_set_tx_power,
3870 .get_tx_power = ieee80211_get_tx_power,
3871 .set_wds_peer = ieee80211_set_wds_peer,
3872 .rfkill_poll = ieee80211_rfkill_poll,
3873 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3874 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3875 .set_power_mgmt = ieee80211_set_power_mgmt,
3876 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3877 .remain_on_channel = ieee80211_remain_on_channel,
3878 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3879 .mgmt_tx = ieee80211_mgmt_tx,
3880 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3881 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3882 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3883 .set_antenna = ieee80211_set_antenna,
3884 .get_antenna = ieee80211_get_antenna,
3885 .set_ringparam = ieee80211_set_ringparam,
3886 .get_ringparam = ieee80211_get_ringparam,
3887 .set_rekey_data = ieee80211_set_rekey_data,
3888 .tdls_oper = ieee80211_tdls_oper,
3889 .tdls_mgmt = ieee80211_tdls_mgmt,
3890 .probe_client = ieee80211_probe_client,
3891 .set_noack_map = ieee80211_set_noack_map,
3893 .set_wakeup = ieee80211_set_wakeup,
3895 .get_et_sset_count = ieee80211_get_et_sset_count,
3896 .get_et_stats = ieee80211_get_et_stats,
3897 .get_et_strings = ieee80211_get_et_strings,
3898 .get_channel = ieee80211_cfg_get_channel,
3899 .start_radar_detection = ieee80211_start_radar_detection,
3900 .channel_switch = ieee80211_channel_switch,