2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * This file is GPLv2 as found in COPYING.
9 #include <linux/ieee80211.h>
10 #include <linux/nl80211.h>
11 #include <linux/rtnetlink.h>
12 #include <linux/slab.h>
13 #include <net/net_namespace.h>
14 #include <linux/rcupdate.h>
15 #include <linux/if_ether.h>
16 #include <net/cfg80211.h>
17 #include "ieee80211_i.h"
18 #include "driver-ops.h"
23 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
25 enum nl80211_iftype type,
27 struct vif_params *params)
29 struct ieee80211_local *local = wiphy_priv(wiphy);
30 struct wireless_dev *wdev;
31 struct ieee80211_sub_if_data *sdata;
34 err = ieee80211_if_add(local, name, &wdev, type, params);
38 if (type == NL80211_IFTYPE_MONITOR && flags) {
39 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
40 sdata->u.mntr_flags = *flags;
46 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
48 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
53 static int ieee80211_change_iface(struct wiphy *wiphy,
54 struct net_device *dev,
55 enum nl80211_iftype type, u32 *flags,
56 struct vif_params *params)
58 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
61 ret = ieee80211_if_change_type(sdata, type);
65 if (type == NL80211_IFTYPE_AP_VLAN &&
66 params && params->use_4addr == 0)
67 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
68 else if (type == NL80211_IFTYPE_STATION &&
69 params && params->use_4addr >= 0)
70 sdata->u.mgd.use_4addr = params->use_4addr;
72 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
73 struct ieee80211_local *local = sdata->local;
75 if (ieee80211_sdata_running(sdata)) {
77 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
78 * changed while the interface is up.
79 * Else we would need to add a lot of cruft
80 * to update everything:
81 * cooked_mntrs, monitor and all fif_* counters
82 * reconfigure hardware
84 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
85 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
88 ieee80211_adjust_monitor_flags(sdata, -1);
89 sdata->u.mntr_flags = *flags;
90 ieee80211_adjust_monitor_flags(sdata, 1);
92 ieee80211_configure_filter(local);
95 * Because the interface is down, ieee80211_do_stop
96 * and ieee80211_do_open take care of "everything"
97 * mentioned in the comment above.
99 sdata->u.mntr_flags = *flags;
106 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
107 struct wireless_dev *wdev)
109 return ieee80211_do_open(wdev, true);
112 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
113 struct wireless_dev *wdev)
115 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
118 static int ieee80211_set_noack_map(struct wiphy *wiphy,
119 struct net_device *dev,
122 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
124 sdata->noack_map = noack_map;
128 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
129 u8 key_idx, bool pairwise, const u8 *mac_addr,
130 struct key_params *params)
132 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
133 struct sta_info *sta = NULL;
134 struct ieee80211_key *key;
137 if (!ieee80211_sdata_running(sdata))
140 /* reject WEP and TKIP keys if WEP failed to initialize */
141 switch (params->cipher) {
142 case WLAN_CIPHER_SUITE_WEP40:
143 case WLAN_CIPHER_SUITE_TKIP:
144 case WLAN_CIPHER_SUITE_WEP104:
145 if (IS_ERR(sdata->local->wep_tx_tfm))
152 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
153 params->key, params->seq_len, params->seq);
158 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
160 mutex_lock(&sdata->local->sta_mtx);
163 if (ieee80211_vif_is_mesh(&sdata->vif))
164 sta = sta_info_get(sdata, mac_addr);
166 sta = sta_info_get_bss(sdata, mac_addr);
168 * The ASSOC test makes sure the driver is ready to
169 * receive the key. When wpa_supplicant has roamed
170 * using FT, it attempts to set the key before
171 * association has completed, this rejects that attempt
172 * so it will set the key again after assocation.
174 * TODO: accept the key if we have a station entry and
175 * add it to the device after the station.
177 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
178 ieee80211_key_free_unused(key);
184 switch (sdata->vif.type) {
185 case NL80211_IFTYPE_STATION:
186 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
187 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
189 case NL80211_IFTYPE_AP:
190 case NL80211_IFTYPE_AP_VLAN:
191 /* Keys without a station are used for TX only */
192 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
193 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
195 case NL80211_IFTYPE_ADHOC:
198 case NL80211_IFTYPE_MESH_POINT:
199 #ifdef CONFIG_MAC80211_MESH
200 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
201 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
204 case NL80211_IFTYPE_WDS:
205 case NL80211_IFTYPE_MONITOR:
206 case NL80211_IFTYPE_P2P_DEVICE:
207 case NL80211_IFTYPE_UNSPECIFIED:
208 case NUM_NL80211_IFTYPES:
209 case NL80211_IFTYPE_P2P_CLIENT:
210 case NL80211_IFTYPE_P2P_GO:
211 /* shouldn't happen */
216 err = ieee80211_key_link(key, sdata, sta);
219 mutex_unlock(&sdata->local->sta_mtx);
224 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
225 u8 key_idx, bool pairwise, const u8 *mac_addr)
227 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
228 struct ieee80211_local *local = sdata->local;
229 struct sta_info *sta;
230 struct ieee80211_key *key = NULL;
233 mutex_lock(&local->sta_mtx);
234 mutex_lock(&local->key_mtx);
239 sta = sta_info_get_bss(sdata, mac_addr);
244 key = key_mtx_dereference(local, sta->ptk);
246 key = key_mtx_dereference(local, sta->gtk[key_idx]);
248 key = key_mtx_dereference(local, sdata->keys[key_idx]);
255 ieee80211_key_free(key, true);
259 mutex_unlock(&local->key_mtx);
260 mutex_unlock(&local->sta_mtx);
265 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
266 u8 key_idx, bool pairwise, const u8 *mac_addr,
268 void (*callback)(void *cookie,
269 struct key_params *params))
271 struct ieee80211_sub_if_data *sdata;
272 struct sta_info *sta = NULL;
274 struct key_params params;
275 struct ieee80211_key *key = NULL;
281 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
286 sta = sta_info_get_bss(sdata, mac_addr);
291 key = rcu_dereference(sta->ptk);
292 else if (key_idx < NUM_DEFAULT_KEYS)
293 key = rcu_dereference(sta->gtk[key_idx]);
295 key = rcu_dereference(sdata->keys[key_idx]);
300 memset(¶ms, 0, sizeof(params));
302 params.cipher = key->conf.cipher;
304 switch (key->conf.cipher) {
305 case WLAN_CIPHER_SUITE_TKIP:
306 iv32 = key->u.tkip.tx.iv32;
307 iv16 = key->u.tkip.tx.iv16;
309 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
310 drv_get_tkip_seq(sdata->local,
311 key->conf.hw_key_idx,
314 seq[0] = iv16 & 0xff;
315 seq[1] = (iv16 >> 8) & 0xff;
316 seq[2] = iv32 & 0xff;
317 seq[3] = (iv32 >> 8) & 0xff;
318 seq[4] = (iv32 >> 16) & 0xff;
319 seq[5] = (iv32 >> 24) & 0xff;
323 case WLAN_CIPHER_SUITE_CCMP:
324 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
334 case WLAN_CIPHER_SUITE_AES_CMAC:
335 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
347 params.key = key->conf.key;
348 params.key_len = key->conf.keylen;
350 callback(cookie, ¶ms);
358 static int ieee80211_config_default_key(struct wiphy *wiphy,
359 struct net_device *dev,
360 u8 key_idx, bool uni,
363 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
365 ieee80211_set_default_key(sdata, key_idx, uni, multi);
370 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
371 struct net_device *dev,
374 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
376 ieee80211_set_default_mgmt_key(sdata, key_idx);
381 void sta_set_rate_info_tx(struct sta_info *sta,
382 const struct ieee80211_tx_rate *rate,
383 struct rate_info *rinfo)
386 if (rate->flags & IEEE80211_TX_RC_MCS) {
387 rinfo->flags |= RATE_INFO_FLAGS_MCS;
388 rinfo->mcs = rate->idx;
389 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
390 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
391 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
392 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
394 struct ieee80211_supported_band *sband;
395 sband = sta->local->hw.wiphy->bands[
396 ieee80211_get_sdata_band(sta->sdata)];
397 rinfo->legacy = sband->bitrates[rate->idx].bitrate;
399 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
400 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
401 if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
402 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
403 if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
404 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
405 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
406 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
409 void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
413 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
414 rinfo->flags |= RATE_INFO_FLAGS_MCS;
415 rinfo->mcs = sta->last_rx_rate_idx;
416 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
417 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
418 rinfo->nss = sta->last_rx_rate_vht_nss;
419 rinfo->mcs = sta->last_rx_rate_idx;
421 struct ieee80211_supported_band *sband;
423 sband = sta->local->hw.wiphy->bands[
424 ieee80211_get_sdata_band(sta->sdata)];
426 sband->bitrates[sta->last_rx_rate_idx].bitrate;
429 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
430 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
431 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
432 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
433 if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
434 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
435 if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
436 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
437 if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
438 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
441 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
443 struct ieee80211_sub_if_data *sdata = sta->sdata;
444 struct ieee80211_local *local = sdata->local;
445 struct timespec uptime;
449 sinfo->generation = sdata->local->sta_generation;
451 sinfo->filled = STATION_INFO_INACTIVE_TIME |
452 STATION_INFO_RX_BYTES64 |
453 STATION_INFO_TX_BYTES64 |
454 STATION_INFO_RX_PACKETS |
455 STATION_INFO_TX_PACKETS |
456 STATION_INFO_TX_RETRIES |
457 STATION_INFO_TX_FAILED |
458 STATION_INFO_TX_BITRATE |
459 STATION_INFO_RX_BITRATE |
460 STATION_INFO_RX_DROP_MISC |
461 STATION_INFO_BSS_PARAM |
462 STATION_INFO_CONNECTED_TIME |
463 STATION_INFO_STA_FLAGS |
464 STATION_INFO_BEACON_LOSS_COUNT;
466 do_posix_clock_monotonic_gettime(&uptime);
467 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
469 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
471 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
472 sinfo->tx_bytes += sta->tx_bytes[ac];
473 packets += sta->tx_packets[ac];
475 sinfo->tx_packets = packets;
476 sinfo->rx_bytes = sta->rx_bytes;
477 sinfo->rx_packets = sta->rx_packets;
478 sinfo->tx_retries = sta->tx_retry_count;
479 sinfo->tx_failed = sta->tx_retry_failed;
480 sinfo->rx_dropped_misc = sta->rx_dropped;
481 sinfo->beacon_loss_count = sta->beacon_loss_count;
483 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
484 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
485 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
486 if (!local->ops->get_rssi ||
487 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
488 sinfo->signal = (s8)sta->last_signal;
489 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
492 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
493 sta_set_rate_info_rx(sta, &sinfo->rxrate);
495 if (ieee80211_vif_is_mesh(&sdata->vif)) {
496 #ifdef CONFIG_MAC80211_MESH
497 sinfo->filled |= STATION_INFO_LLID |
499 STATION_INFO_PLINK_STATE |
500 STATION_INFO_LOCAL_PM |
501 STATION_INFO_PEER_PM |
502 STATION_INFO_NONPEER_PM;
504 sinfo->llid = le16_to_cpu(sta->llid);
505 sinfo->plid = le16_to_cpu(sta->plid);
506 sinfo->plink_state = sta->plink_state;
507 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
508 sinfo->filled |= STATION_INFO_T_OFFSET;
509 sinfo->t_offset = sta->t_offset;
511 sinfo->local_pm = sta->local_pm;
512 sinfo->peer_pm = sta->peer_pm;
513 sinfo->nonpeer_pm = sta->nonpeer_pm;
517 sinfo->bss_param.flags = 0;
518 if (sdata->vif.bss_conf.use_cts_prot)
519 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
520 if (sdata->vif.bss_conf.use_short_preamble)
521 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
522 if (sdata->vif.bss_conf.use_short_slot)
523 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
524 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
525 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
527 sinfo->sta_flags.set = 0;
528 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
529 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
530 BIT(NL80211_STA_FLAG_WME) |
531 BIT(NL80211_STA_FLAG_MFP) |
532 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
533 BIT(NL80211_STA_FLAG_ASSOCIATED) |
534 BIT(NL80211_STA_FLAG_TDLS_PEER);
535 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
536 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
537 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
538 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
539 if (test_sta_flag(sta, WLAN_STA_WME))
540 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
541 if (test_sta_flag(sta, WLAN_STA_MFP))
542 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
543 if (test_sta_flag(sta, WLAN_STA_AUTH))
544 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
545 if (test_sta_flag(sta, WLAN_STA_ASSOC))
546 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
547 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
548 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
551 static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
552 "rx_packets", "rx_bytes", "wep_weak_iv_count",
553 "rx_duplicates", "rx_fragments", "rx_dropped",
554 "tx_packets", "tx_bytes", "tx_fragments",
555 "tx_filtered", "tx_retry_failed", "tx_retries",
556 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
557 "channel", "noise", "ch_time", "ch_time_busy",
558 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
560 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
562 static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
563 struct net_device *dev,
566 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
569 if (sset == ETH_SS_STATS)
572 rv += drv_get_et_sset_count(sdata, sset);
579 static void ieee80211_get_et_stats(struct wiphy *wiphy,
580 struct net_device *dev,
581 struct ethtool_stats *stats,
584 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
585 struct ieee80211_chanctx_conf *chanctx_conf;
586 struct ieee80211_channel *channel;
587 struct sta_info *sta;
588 struct ieee80211_local *local = sdata->local;
589 struct station_info sinfo;
590 struct survey_info survey;
592 #define STA_STATS_SURVEY_LEN 7
594 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
596 #define ADD_STA_STATS(sta) \
598 data[i++] += sta->rx_packets; \
599 data[i++] += sta->rx_bytes; \
600 data[i++] += sta->wep_weak_iv_count; \
601 data[i++] += sta->num_duplicates; \
602 data[i++] += sta->rx_fragments; \
603 data[i++] += sta->rx_dropped; \
605 data[i++] += sinfo.tx_packets; \
606 data[i++] += sinfo.tx_bytes; \
607 data[i++] += sta->tx_fragments; \
608 data[i++] += sta->tx_filtered_count; \
609 data[i++] += sta->tx_retry_failed; \
610 data[i++] += sta->tx_retry_count; \
611 data[i++] += sta->beacon_loss_count; \
614 /* For Managed stations, find the single station based on BSSID
615 * and use that. For interface types, iterate through all available
616 * stations and add stats for any station that is assigned to this
620 mutex_lock(&local->sta_mtx);
622 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
623 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
625 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
629 sta_set_sinfo(sta, &sinfo);
634 data[i++] = sta->sta_state;
637 if (sinfo.filled & STATION_INFO_TX_BITRATE)
639 cfg80211_calculate_bitrate(&sinfo.txrate);
641 if (sinfo.filled & STATION_INFO_RX_BITRATE)
643 cfg80211_calculate_bitrate(&sinfo.rxrate);
646 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
647 data[i] = (u8)sinfo.signal_avg;
650 list_for_each_entry(sta, &local->sta_list, list) {
651 /* Make sure this station belongs to the proper dev */
652 if (sta->sdata->dev != dev)
661 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
662 /* Get survey stats for current channel */
666 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
668 channel = chanctx_conf->def.chan;
677 if (drv_get_survey(local, q, &survey) != 0) {
682 } while (channel != survey.channel);
686 data[i++] = survey.channel->center_freq;
689 if (survey.filled & SURVEY_INFO_NOISE_DBM)
690 data[i++] = (u8)survey.noise;
693 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
694 data[i++] = survey.channel_time;
697 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
698 data[i++] = survey.channel_time_busy;
701 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
702 data[i++] = survey.channel_time_ext_busy;
705 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
706 data[i++] = survey.channel_time_rx;
709 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
710 data[i++] = survey.channel_time_tx;
714 mutex_unlock(&local->sta_mtx);
716 if (WARN_ON(i != STA_STATS_LEN))
719 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
722 static void ieee80211_get_et_strings(struct wiphy *wiphy,
723 struct net_device *dev,
726 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
727 int sz_sta_stats = 0;
729 if (sset == ETH_SS_STATS) {
730 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
731 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
733 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
736 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
737 int idx, u8 *mac, struct station_info *sinfo)
739 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
740 struct ieee80211_local *local = sdata->local;
741 struct sta_info *sta;
744 mutex_lock(&local->sta_mtx);
746 sta = sta_info_get_by_idx(sdata, idx);
749 memcpy(mac, sta->sta.addr, ETH_ALEN);
750 sta_set_sinfo(sta, sinfo);
753 mutex_unlock(&local->sta_mtx);
758 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
759 int idx, struct survey_info *survey)
761 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
763 return drv_get_survey(local, idx, survey);
766 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
767 u8 *mac, struct station_info *sinfo)
769 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
770 struct ieee80211_local *local = sdata->local;
771 struct sta_info *sta;
774 mutex_lock(&local->sta_mtx);
776 sta = sta_info_get_bss(sdata, mac);
779 sta_set_sinfo(sta, sinfo);
782 mutex_unlock(&local->sta_mtx);
787 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
788 struct cfg80211_chan_def *chandef)
790 struct ieee80211_local *local = wiphy_priv(wiphy);
791 struct ieee80211_sub_if_data *sdata;
794 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
797 mutex_lock(&local->iflist_mtx);
798 if (local->use_chanctx) {
799 sdata = rcu_dereference_protected(
800 local->monitor_sdata,
801 lockdep_is_held(&local->iflist_mtx));
803 ieee80211_vif_release_channel(sdata);
804 ret = ieee80211_vif_use_channel(sdata, chandef,
805 IEEE80211_CHANCTX_EXCLUSIVE);
807 } else if (local->open_count == local->monitors) {
808 local->_oper_channel = chandef->chan;
809 local->_oper_channel_type = cfg80211_get_chandef_type(chandef);
810 ieee80211_hw_config(local, 0);
814 local->monitor_chandef = *chandef;
815 mutex_unlock(&local->iflist_mtx);
820 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
821 const u8 *resp, size_t resp_len)
823 struct probe_resp *new, *old;
825 if (!resp || !resp_len)
828 old = rtnl_dereference(sdata->u.ap.probe_resp);
830 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
835 memcpy(new->data, resp, resp_len);
837 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
839 kfree_rcu(old, rcu_head);
844 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
845 struct cfg80211_beacon_data *params)
847 struct beacon_data *new, *old;
848 int new_head_len, new_tail_len;
850 u32 changed = BSS_CHANGED_BEACON;
852 old = rtnl_dereference(sdata->u.ap.beacon);
854 /* Need to have a beacon head if we don't have one yet */
855 if (!params->head && !old)
858 /* new or old head? */
860 new_head_len = params->head_len;
862 new_head_len = old->head_len;
864 /* new or old tail? */
865 if (params->tail || !old)
866 /* params->tail_len will be zero for !params->tail */
867 new_tail_len = params->tail_len;
869 new_tail_len = old->tail_len;
871 size = sizeof(*new) + new_head_len + new_tail_len;
873 new = kzalloc(size, GFP_KERNEL);
877 /* start filling the new info now */
880 * pointers go into the block we allocated,
881 * memory is | beacon_data | head | tail |
883 new->head = ((u8 *) new) + sizeof(*new);
884 new->tail = new->head + new_head_len;
885 new->head_len = new_head_len;
886 new->tail_len = new_tail_len;
890 memcpy(new->head, params->head, new_head_len);
892 memcpy(new->head, old->head, new_head_len);
894 /* copy in optional tail */
896 memcpy(new->tail, params->tail, new_tail_len);
899 memcpy(new->tail, old->tail, new_tail_len);
901 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
902 params->probe_resp_len);
906 changed |= BSS_CHANGED_AP_PROBE_RESP;
908 rcu_assign_pointer(sdata->u.ap.beacon, new);
911 kfree_rcu(old, rcu_head);
916 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
917 struct cfg80211_ap_settings *params)
919 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
920 struct beacon_data *old;
921 struct ieee80211_sub_if_data *vlan;
922 u32 changed = BSS_CHANGED_BEACON_INT |
923 BSS_CHANGED_BEACON_ENABLED |
929 old = rtnl_dereference(sdata->u.ap.beacon);
933 /* TODO: make hostapd tell us what it wants */
934 sdata->smps_mode = IEEE80211_SMPS_OFF;
935 sdata->needed_rx_chains = sdata->local->rx_chains;
936 sdata->radar_required = params->radar_required;
938 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
939 IEEE80211_CHANCTX_SHARED);
942 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
945 * Apply control port protocol, this allows us to
946 * not encrypt dynamic WEP control frames.
948 sdata->control_port_protocol = params->crypto.control_port_ethertype;
949 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
950 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
951 vlan->control_port_protocol =
952 params->crypto.control_port_ethertype;
953 vlan->control_port_no_encrypt =
954 params->crypto.control_port_no_encrypt;
957 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
958 sdata->vif.bss_conf.dtim_period = params->dtim_period;
959 sdata->vif.bss_conf.enable_beacon = true;
961 sdata->vif.bss_conf.ssid_len = params->ssid_len;
962 if (params->ssid_len)
963 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
965 sdata->vif.bss_conf.hidden_ssid =
966 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
968 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
969 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
971 err = ieee80211_assign_beacon(sdata, ¶ms->beacon);
976 err = drv_start_ap(sdata->local, sdata);
978 old = rtnl_dereference(sdata->u.ap.beacon);
980 kfree_rcu(old, rcu_head);
981 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
985 ieee80211_bss_info_change_notify(sdata, changed);
987 netif_carrier_on(dev);
988 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
989 netif_carrier_on(vlan->dev);
994 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
995 struct cfg80211_beacon_data *params)
997 struct ieee80211_sub_if_data *sdata;
998 struct beacon_data *old;
1001 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1003 old = rtnl_dereference(sdata->u.ap.beacon);
1007 err = ieee80211_assign_beacon(sdata, params);
1010 ieee80211_bss_info_change_notify(sdata, err);
1014 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1016 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1017 struct ieee80211_sub_if_data *vlan;
1018 struct ieee80211_local *local = sdata->local;
1019 struct beacon_data *old_beacon;
1020 struct probe_resp *old_probe_resp;
1022 old_beacon = rtnl_dereference(sdata->u.ap.beacon);
1025 old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
1027 /* turn off carrier for this interface and dependent VLANs */
1028 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1029 netif_carrier_off(vlan->dev);
1030 netif_carrier_off(dev);
1032 /* remove beacon and probe response */
1033 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1034 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1035 kfree_rcu(old_beacon, rcu_head);
1037 kfree_rcu(old_probe_resp, rcu_head);
1039 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1040 sta_info_flush_defer(vlan);
1041 sta_info_flush_defer(sdata);
1043 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1044 sta_info_flush_cleanup(vlan);
1045 ieee80211_free_keys(vlan);
1047 sta_info_flush_cleanup(sdata);
1048 ieee80211_free_keys(sdata);
1050 sdata->vif.bss_conf.enable_beacon = false;
1051 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1052 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1054 drv_stop_ap(sdata->local, sdata);
1056 /* free all potentially still buffered bcast frames */
1057 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1058 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1060 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1061 ieee80211_vif_release_channel(sdata);
1066 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1067 struct iapp_layer2_update {
1068 u8 da[ETH_ALEN]; /* broadcast */
1069 u8 sa[ETH_ALEN]; /* STA addr */
1077 static void ieee80211_send_layer2_update(struct sta_info *sta)
1079 struct iapp_layer2_update *msg;
1080 struct sk_buff *skb;
1082 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1085 skb = dev_alloc_skb(sizeof(*msg));
1088 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1090 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1091 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1093 eth_broadcast_addr(msg->da);
1094 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
1095 msg->len = htons(6);
1097 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1098 msg->control = 0xaf; /* XID response lsb.1111F101.
1099 * F=0 (no poll command; unsolicited frame) */
1100 msg->xid_info[0] = 0x81; /* XID format identifier */
1101 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1102 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1104 skb->dev = sta->sdata->dev;
1105 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
1106 memset(skb->cb, 0, sizeof(skb->cb));
1110 static int sta_apply_auth_flags(struct ieee80211_local *local,
1111 struct sta_info *sta,
1116 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1117 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1118 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1119 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1124 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1125 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1126 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1127 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1132 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1133 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1134 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1135 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1136 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1143 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1144 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1145 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1146 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1151 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1152 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1153 test_sta_flag(sta, WLAN_STA_AUTH)) {
1154 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1162 static int sta_apply_parameters(struct ieee80211_local *local,
1163 struct sta_info *sta,
1164 struct station_parameters *params)
1169 struct ieee80211_supported_band *sband;
1170 struct ieee80211_sub_if_data *sdata = sta->sdata;
1171 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1174 sband = local->hw.wiphy->bands[band];
1176 mask = params->sta_flags_mask;
1177 set = params->sta_flags_set;
1179 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1181 * In mesh mode, ASSOCIATED isn't part of the nl80211
1182 * API but must follow AUTHENTICATED for driver state.
1184 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1185 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1186 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1187 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1188 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1190 * TDLS -- everything follows authorized, but
1191 * only becoming authorized is possible, not
1194 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1195 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1196 BIT(NL80211_STA_FLAG_ASSOCIATED);
1197 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1198 BIT(NL80211_STA_FLAG_ASSOCIATED);
1202 ret = sta_apply_auth_flags(local, sta, mask, set);
1206 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1207 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1208 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1210 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1213 if (mask & BIT(NL80211_STA_FLAG_WME)) {
1214 if (set & BIT(NL80211_STA_FLAG_WME)) {
1215 set_sta_flag(sta, WLAN_STA_WME);
1216 sta->sta.wme = true;
1218 clear_sta_flag(sta, WLAN_STA_WME);
1219 sta->sta.wme = false;
1223 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1224 if (set & BIT(NL80211_STA_FLAG_MFP))
1225 set_sta_flag(sta, WLAN_STA_MFP);
1227 clear_sta_flag(sta, WLAN_STA_MFP);
1230 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1231 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1232 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1234 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1237 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1238 sta->sta.uapsd_queues = params->uapsd_queues;
1239 sta->sta.max_sp = params->max_sp;
1243 * cfg80211 validates this (1-2007) and allows setting the AID
1244 * only when creating a new station entry
1247 sta->sta.aid = params->aid;
1250 * Some of the following updates would be racy if called on an
1251 * existing station, via ieee80211_change_station(). However,
1252 * all such changes are rejected by cfg80211 except for updates
1253 * changing the supported rates on an existing but not yet used
1257 if (params->listen_interval >= 0)
1258 sta->listen_interval = params->listen_interval;
1260 if (params->supported_rates) {
1263 for (i = 0; i < params->supported_rates_len; i++) {
1264 int rate = (params->supported_rates[i] & 0x7f) * 5;
1265 for (j = 0; j < sband->n_bitrates; j++) {
1266 if (sband->bitrates[j].bitrate == rate)
1270 sta->sta.supp_rates[band] = rates;
1273 if (params->ht_capa)
1274 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1275 params->ht_capa, sta);
1277 if (params->vht_capa)
1278 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1279 params->vht_capa, sta);
1281 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1282 #ifdef CONFIG_MAC80211_MESH
1285 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1286 switch (params->plink_state) {
1287 case NL80211_PLINK_ESTAB:
1288 if (sta->plink_state != NL80211_PLINK_ESTAB)
1289 changed = mesh_plink_inc_estab_count(
1291 sta->plink_state = params->plink_state;
1293 ieee80211_mps_sta_status_update(sta);
1294 changed |= ieee80211_mps_set_sta_local_pm(sta,
1295 sdata->u.mesh.mshcfg.power_mode);
1297 case NL80211_PLINK_LISTEN:
1298 case NL80211_PLINK_BLOCKED:
1299 case NL80211_PLINK_OPN_SNT:
1300 case NL80211_PLINK_OPN_RCVD:
1301 case NL80211_PLINK_CNF_RCVD:
1302 case NL80211_PLINK_HOLDING:
1303 if (sta->plink_state == NL80211_PLINK_ESTAB)
1304 changed = mesh_plink_dec_estab_count(
1306 sta->plink_state = params->plink_state;
1308 ieee80211_mps_sta_status_update(sta);
1310 ieee80211_mps_local_status_update(sdata);
1318 switch (params->plink_action) {
1319 case NL80211_PLINK_ACTION_NO_ACTION:
1322 case NL80211_PLINK_ACTION_OPEN:
1323 changed |= mesh_plink_open(sta);
1325 case NL80211_PLINK_ACTION_BLOCK:
1326 changed |= mesh_plink_block(sta);
1330 if (params->local_pm)
1332 ieee80211_mps_set_sta_local_pm(sta,
1334 ieee80211_bss_info_change_notify(sdata, changed);
1341 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1342 u8 *mac, struct station_parameters *params)
1344 struct ieee80211_local *local = wiphy_priv(wiphy);
1345 struct sta_info *sta;
1346 struct ieee80211_sub_if_data *sdata;
1351 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1353 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1354 sdata->vif.type != NL80211_IFTYPE_AP)
1357 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1359 if (ether_addr_equal(mac, sdata->vif.addr))
1362 if (is_multicast_ether_addr(mac))
1365 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1370 * defaults -- if userspace wants something else we'll
1371 * change it accordingly in sta_apply_parameters()
1373 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1374 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1375 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1378 err = sta_apply_parameters(local, sta, params);
1380 sta_info_free(local, sta);
1385 * for TDLS, rate control should be initialized only when
1386 * rates are known and station is marked authorized
1388 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1389 rate_control_rate_init(sta);
1391 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1392 sdata->vif.type == NL80211_IFTYPE_AP;
1394 err = sta_info_insert_rcu(sta);
1401 ieee80211_send_layer2_update(sta);
1408 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1411 struct ieee80211_sub_if_data *sdata;
1413 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1416 return sta_info_destroy_addr_bss(sdata, mac);
1418 sta_info_flush(sdata);
1422 static int ieee80211_change_station(struct wiphy *wiphy,
1423 struct net_device *dev, u8 *mac,
1424 struct station_parameters *params)
1426 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1427 struct ieee80211_local *local = wiphy_priv(wiphy);
1428 struct sta_info *sta;
1429 struct ieee80211_sub_if_data *vlansdata;
1430 enum cfg80211_station_type statype;
1433 mutex_lock(&local->sta_mtx);
1435 sta = sta_info_get_bss(sdata, mac);
1441 switch (sdata->vif.type) {
1442 case NL80211_IFTYPE_MESH_POINT:
1443 if (sdata->u.mesh.user_mpm)
1444 statype = CFG80211_STA_MESH_PEER_USER;
1446 statype = CFG80211_STA_MESH_PEER_KERNEL;
1448 case NL80211_IFTYPE_ADHOC:
1449 statype = CFG80211_STA_IBSS;
1451 case NL80211_IFTYPE_STATION:
1452 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1453 statype = CFG80211_STA_AP_STA;
1456 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1457 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1459 statype = CFG80211_STA_TDLS_PEER_SETUP;
1461 case NL80211_IFTYPE_AP:
1462 case NL80211_IFTYPE_AP_VLAN:
1463 statype = CFG80211_STA_AP_CLIENT;
1470 err = cfg80211_check_station_change(wiphy, params, statype);
1474 if (params->vlan && params->vlan != sta->sdata->dev) {
1475 bool prev_4addr = false;
1476 bool new_4addr = false;
1478 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1480 if (params->vlan->ieee80211_ptr->use_4addr) {
1481 if (vlansdata->u.vlan.sta) {
1486 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1490 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1491 sta->sdata->u.vlan.sta) {
1492 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1496 sta->sdata = vlansdata;
1498 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1499 prev_4addr != new_4addr) {
1501 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1503 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1506 ieee80211_send_layer2_update(sta);
1509 err = sta_apply_parameters(local, sta, params);
1513 /* When peer becomes authorized, init rate control as well */
1514 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1515 test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1516 rate_control_rate_init(sta);
1518 mutex_unlock(&local->sta_mtx);
1520 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1521 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1522 ieee80211_recalc_ps(local, -1);
1523 ieee80211_recalc_ps_vif(sdata);
1528 mutex_unlock(&local->sta_mtx);
1532 #ifdef CONFIG_MAC80211_MESH
1533 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1534 u8 *dst, u8 *next_hop)
1536 struct ieee80211_sub_if_data *sdata;
1537 struct mesh_path *mpath;
1538 struct sta_info *sta;
1541 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1544 sta = sta_info_get(sdata, next_hop);
1550 err = mesh_path_add(sdata, dst);
1556 mpath = mesh_path_lookup(sdata, dst);
1561 mesh_path_fix_nexthop(mpath, sta);
1567 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1570 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1573 return mesh_path_del(sdata, dst);
1575 mesh_path_flush_by_iface(sdata);
1579 static int ieee80211_change_mpath(struct wiphy *wiphy,
1580 struct net_device *dev,
1581 u8 *dst, u8 *next_hop)
1583 struct ieee80211_sub_if_data *sdata;
1584 struct mesh_path *mpath;
1585 struct sta_info *sta;
1587 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1591 sta = sta_info_get(sdata, next_hop);
1597 mpath = mesh_path_lookup(sdata, dst);
1603 mesh_path_fix_nexthop(mpath, sta);
1609 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1610 struct mpath_info *pinfo)
1612 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1615 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1617 memset(next_hop, 0, ETH_ALEN);
1619 memset(pinfo, 0, sizeof(*pinfo));
1621 pinfo->generation = mesh_paths_generation;
1623 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1626 MPATH_INFO_EXPTIME |
1627 MPATH_INFO_DISCOVERY_TIMEOUT |
1628 MPATH_INFO_DISCOVERY_RETRIES |
1631 pinfo->frame_qlen = mpath->frame_queue.qlen;
1632 pinfo->sn = mpath->sn;
1633 pinfo->metric = mpath->metric;
1634 if (time_before(jiffies, mpath->exp_time))
1635 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1636 pinfo->discovery_timeout =
1637 jiffies_to_msecs(mpath->discovery_timeout);
1638 pinfo->discovery_retries = mpath->discovery_retries;
1639 if (mpath->flags & MESH_PATH_ACTIVE)
1640 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1641 if (mpath->flags & MESH_PATH_RESOLVING)
1642 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1643 if (mpath->flags & MESH_PATH_SN_VALID)
1644 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1645 if (mpath->flags & MESH_PATH_FIXED)
1646 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1647 if (mpath->flags & MESH_PATH_RESOLVED)
1648 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1651 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1652 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1655 struct ieee80211_sub_if_data *sdata;
1656 struct mesh_path *mpath;
1658 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1661 mpath = mesh_path_lookup(sdata, dst);
1666 memcpy(dst, mpath->dst, ETH_ALEN);
1667 mpath_set_pinfo(mpath, next_hop, pinfo);
1672 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1673 int idx, u8 *dst, u8 *next_hop,
1674 struct mpath_info *pinfo)
1676 struct ieee80211_sub_if_data *sdata;
1677 struct mesh_path *mpath;
1679 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1682 mpath = mesh_path_lookup_by_idx(sdata, idx);
1687 memcpy(dst, mpath->dst, ETH_ALEN);
1688 mpath_set_pinfo(mpath, next_hop, pinfo);
1693 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1694 struct net_device *dev,
1695 struct mesh_config *conf)
1697 struct ieee80211_sub_if_data *sdata;
1698 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1700 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1704 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1706 return (mask >> (parm-1)) & 0x1;
1709 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1710 const struct mesh_setup *setup)
1714 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1715 struct ieee80211_sub_if_data, u.mesh);
1717 /* allocate information elements */
1721 if (setup->ie_len) {
1722 new_ie = kmemdup(setup->ie, setup->ie_len,
1727 ifmsh->ie_len = setup->ie_len;
1731 /* now copy the rest of the setup parameters */
1732 ifmsh->mesh_id_len = setup->mesh_id_len;
1733 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1734 ifmsh->mesh_sp_id = setup->sync_method;
1735 ifmsh->mesh_pp_id = setup->path_sel_proto;
1736 ifmsh->mesh_pm_id = setup->path_metric;
1737 ifmsh->user_mpm = setup->user_mpm;
1738 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1739 if (setup->is_authenticated)
1740 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1741 if (setup->is_secure)
1742 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1744 /* mcast rate setting in Mesh Node */
1745 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1746 sizeof(setup->mcast_rate));
1748 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1749 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1754 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1755 struct net_device *dev, u32 mask,
1756 const struct mesh_config *nconf)
1758 struct mesh_config *conf;
1759 struct ieee80211_sub_if_data *sdata;
1760 struct ieee80211_if_mesh *ifmsh;
1762 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1763 ifmsh = &sdata->u.mesh;
1765 /* Set the config options which we are interested in setting */
1766 conf = &(sdata->u.mesh.mshcfg);
1767 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1768 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1769 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1770 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1771 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1772 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1773 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1774 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1775 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1776 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1777 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1778 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1779 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1780 conf->element_ttl = nconf->element_ttl;
1781 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1782 if (ifmsh->user_mpm)
1784 conf->auto_open_plinks = nconf->auto_open_plinks;
1786 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1787 conf->dot11MeshNbrOffsetMaxNeighbor =
1788 nconf->dot11MeshNbrOffsetMaxNeighbor;
1789 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1790 conf->dot11MeshHWMPmaxPREQretries =
1791 nconf->dot11MeshHWMPmaxPREQretries;
1792 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1793 conf->path_refresh_time = nconf->path_refresh_time;
1794 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1795 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1796 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1797 conf->dot11MeshHWMPactivePathTimeout =
1798 nconf->dot11MeshHWMPactivePathTimeout;
1799 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1800 conf->dot11MeshHWMPpreqMinInterval =
1801 nconf->dot11MeshHWMPpreqMinInterval;
1802 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1803 conf->dot11MeshHWMPperrMinInterval =
1804 nconf->dot11MeshHWMPperrMinInterval;
1805 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1807 conf->dot11MeshHWMPnetDiameterTraversalTime =
1808 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1809 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1810 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1811 ieee80211_mesh_root_setup(ifmsh);
1813 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1814 /* our current gate announcement implementation rides on root
1815 * announcements, so require this ifmsh to also be a root node
1817 if (nconf->dot11MeshGateAnnouncementProtocol &&
1818 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1819 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1820 ieee80211_mesh_root_setup(ifmsh);
1822 conf->dot11MeshGateAnnouncementProtocol =
1823 nconf->dot11MeshGateAnnouncementProtocol;
1825 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1826 conf->dot11MeshHWMPRannInterval =
1827 nconf->dot11MeshHWMPRannInterval;
1828 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1829 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1830 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1831 /* our RSSI threshold implementation is supported only for
1832 * devices that report signal in dBm.
1834 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1836 conf->rssi_threshold = nconf->rssi_threshold;
1838 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1839 conf->ht_opmode = nconf->ht_opmode;
1840 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1841 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1843 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1844 conf->dot11MeshHWMPactivePathToRootTimeout =
1845 nconf->dot11MeshHWMPactivePathToRootTimeout;
1846 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1847 conf->dot11MeshHWMProotInterval =
1848 nconf->dot11MeshHWMProotInterval;
1849 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1850 conf->dot11MeshHWMPconfirmationInterval =
1851 nconf->dot11MeshHWMPconfirmationInterval;
1852 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1853 conf->power_mode = nconf->power_mode;
1854 ieee80211_mps_local_status_update(sdata);
1856 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1857 conf->dot11MeshAwakeWindowDuration =
1858 nconf->dot11MeshAwakeWindowDuration;
1859 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1863 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1864 const struct mesh_config *conf,
1865 const struct mesh_setup *setup)
1867 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1868 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1871 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1872 err = copy_mesh_setup(ifmsh, setup);
1876 /* can mesh use other SMPS modes? */
1877 sdata->smps_mode = IEEE80211_SMPS_OFF;
1878 sdata->needed_rx_chains = sdata->local->rx_chains;
1880 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1881 IEEE80211_CHANCTX_SHARED);
1885 return ieee80211_start_mesh(sdata);
1888 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1890 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1892 ieee80211_stop_mesh(sdata);
1893 ieee80211_vif_release_channel(sdata);
1899 static int ieee80211_change_bss(struct wiphy *wiphy,
1900 struct net_device *dev,
1901 struct bss_parameters *params)
1903 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1904 enum ieee80211_band band;
1907 if (!rtnl_dereference(sdata->u.ap.beacon))
1910 band = ieee80211_get_sdata_band(sdata);
1912 if (params->use_cts_prot >= 0) {
1913 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1914 changed |= BSS_CHANGED_ERP_CTS_PROT;
1916 if (params->use_short_preamble >= 0) {
1917 sdata->vif.bss_conf.use_short_preamble =
1918 params->use_short_preamble;
1919 changed |= BSS_CHANGED_ERP_PREAMBLE;
1922 if (!sdata->vif.bss_conf.use_short_slot &&
1923 band == IEEE80211_BAND_5GHZ) {
1924 sdata->vif.bss_conf.use_short_slot = true;
1925 changed |= BSS_CHANGED_ERP_SLOT;
1928 if (params->use_short_slot_time >= 0) {
1929 sdata->vif.bss_conf.use_short_slot =
1930 params->use_short_slot_time;
1931 changed |= BSS_CHANGED_ERP_SLOT;
1934 if (params->basic_rates) {
1937 struct ieee80211_supported_band *sband = wiphy->bands[band];
1939 for (i = 0; i < params->basic_rates_len; i++) {
1940 int rate = (params->basic_rates[i] & 0x7f) * 5;
1941 for (j = 0; j < sband->n_bitrates; j++) {
1942 if (sband->bitrates[j].bitrate == rate)
1946 sdata->vif.bss_conf.basic_rates = rates;
1947 changed |= BSS_CHANGED_BASIC_RATES;
1950 if (params->ap_isolate >= 0) {
1951 if (params->ap_isolate)
1952 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1954 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1957 if (params->ht_opmode >= 0) {
1958 sdata->vif.bss_conf.ht_operation_mode =
1959 (u16) params->ht_opmode;
1960 changed |= BSS_CHANGED_HT;
1963 if (params->p2p_ctwindow >= 0) {
1964 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
1965 changed |= BSS_CHANGED_P2P_PS;
1968 if (params->p2p_opp_ps >= 0) {
1969 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
1970 changed |= BSS_CHANGED_P2P_PS;
1973 ieee80211_bss_info_change_notify(sdata, changed);
1978 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1979 struct net_device *dev,
1980 struct ieee80211_txq_params *params)
1982 struct ieee80211_local *local = wiphy_priv(wiphy);
1983 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1984 struct ieee80211_tx_queue_params p;
1986 if (!local->ops->conf_tx)
1989 if (local->hw.queues < IEEE80211_NUM_ACS)
1992 memset(&p, 0, sizeof(p));
1993 p.aifs = params->aifs;
1994 p.cw_max = params->cwmax;
1995 p.cw_min = params->cwmin;
1996 p.txop = params->txop;
1999 * Setting tx queue params disables u-apsd because it's only
2000 * called in master mode.
2004 sdata->tx_conf[params->ac] = p;
2005 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2006 wiphy_debug(local->hw.wiphy,
2007 "failed to set TX queue parameters for AC %d\n",
2012 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2018 static int ieee80211_suspend(struct wiphy *wiphy,
2019 struct cfg80211_wowlan *wowlan)
2021 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2024 static int ieee80211_resume(struct wiphy *wiphy)
2026 return __ieee80211_resume(wiphy_priv(wiphy));
2029 #define ieee80211_suspend NULL
2030 #define ieee80211_resume NULL
2033 static int ieee80211_scan(struct wiphy *wiphy,
2034 struct cfg80211_scan_request *req)
2036 struct ieee80211_sub_if_data *sdata;
2038 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2040 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2041 case NL80211_IFTYPE_STATION:
2042 case NL80211_IFTYPE_ADHOC:
2043 case NL80211_IFTYPE_MESH_POINT:
2044 case NL80211_IFTYPE_P2P_CLIENT:
2045 case NL80211_IFTYPE_P2P_DEVICE:
2047 case NL80211_IFTYPE_P2P_GO:
2048 if (sdata->local->ops->hw_scan)
2051 * FIXME: implement NoA while scanning in software,
2052 * for now fall through to allow scanning only when
2053 * beaconing hasn't been configured yet
2055 case NL80211_IFTYPE_AP:
2057 * If the scan has been forced (and the driver supports
2058 * forcing), don't care about being beaconing already.
2059 * This will create problems to the attached stations (e.g. all
2060 * the frames sent while scanning on other channel will be
2063 if (sdata->u.ap.beacon &&
2064 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2065 !(req->flags & NL80211_SCAN_FLAG_AP)))
2072 return ieee80211_request_scan(sdata, req);
2076 ieee80211_sched_scan_start(struct wiphy *wiphy,
2077 struct net_device *dev,
2078 struct cfg80211_sched_scan_request *req)
2080 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2082 if (!sdata->local->ops->sched_scan_start)
2085 return ieee80211_request_sched_scan_start(sdata, req);
2089 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2091 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2093 if (!sdata->local->ops->sched_scan_stop)
2096 return ieee80211_request_sched_scan_stop(sdata);
2099 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2100 struct cfg80211_auth_request *req)
2102 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2105 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2106 struct cfg80211_assoc_request *req)
2108 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2111 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2112 struct cfg80211_deauth_request *req)
2114 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2117 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2118 struct cfg80211_disassoc_request *req)
2120 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2123 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2124 struct cfg80211_ibss_params *params)
2126 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2129 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2131 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2134 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2135 int rate[IEEE80211_NUM_BANDS])
2137 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2139 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2140 sizeof(int) * IEEE80211_NUM_BANDS);
2145 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2147 struct ieee80211_local *local = wiphy_priv(wiphy);
2150 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2151 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2157 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2158 err = drv_set_coverage_class(local, wiphy->coverage_class);
2164 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2165 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2171 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2172 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2174 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2176 if (changed & WIPHY_PARAM_RETRY_LONG) {
2177 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2179 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2182 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2183 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2188 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2189 struct wireless_dev *wdev,
2190 enum nl80211_tx_power_setting type, int mbm)
2192 struct ieee80211_local *local = wiphy_priv(wiphy);
2193 struct ieee80211_sub_if_data *sdata;
2196 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2199 case NL80211_TX_POWER_AUTOMATIC:
2200 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2202 case NL80211_TX_POWER_LIMITED:
2203 case NL80211_TX_POWER_FIXED:
2204 if (mbm < 0 || (mbm % 100))
2206 sdata->user_power_level = MBM_TO_DBM(mbm);
2210 ieee80211_recalc_txpower(sdata);
2216 case NL80211_TX_POWER_AUTOMATIC:
2217 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2219 case NL80211_TX_POWER_LIMITED:
2220 case NL80211_TX_POWER_FIXED:
2221 if (mbm < 0 || (mbm % 100))
2223 local->user_power_level = MBM_TO_DBM(mbm);
2227 mutex_lock(&local->iflist_mtx);
2228 list_for_each_entry(sdata, &local->interfaces, list)
2229 sdata->user_power_level = local->user_power_level;
2230 list_for_each_entry(sdata, &local->interfaces, list)
2231 ieee80211_recalc_txpower(sdata);
2232 mutex_unlock(&local->iflist_mtx);
2237 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2238 struct wireless_dev *wdev,
2241 struct ieee80211_local *local = wiphy_priv(wiphy);
2242 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2244 if (!local->use_chanctx)
2245 *dbm = local->hw.conf.power_level;
2247 *dbm = sdata->vif.bss_conf.txpower;
2252 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2255 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2257 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2262 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2264 struct ieee80211_local *local = wiphy_priv(wiphy);
2266 drv_rfkill_poll(local);
2269 #ifdef CONFIG_NL80211_TESTMODE
2270 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
2272 struct ieee80211_local *local = wiphy_priv(wiphy);
2274 if (!local->ops->testmode_cmd)
2277 return local->ops->testmode_cmd(&local->hw, data, len);
2280 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2281 struct sk_buff *skb,
2282 struct netlink_callback *cb,
2283 void *data, int len)
2285 struct ieee80211_local *local = wiphy_priv(wiphy);
2287 if (!local->ops->testmode_dump)
2290 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2294 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2295 enum ieee80211_smps_mode smps_mode)
2298 enum ieee80211_smps_mode old_req;
2301 lockdep_assert_held(&sdata->u.mgd.mtx);
2303 old_req = sdata->u.mgd.req_smps;
2304 sdata->u.mgd.req_smps = smps_mode;
2306 if (old_req == smps_mode &&
2307 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2311 * If not associated, or current association is not an HT
2312 * association, there's no need to do anything, just store
2313 * the new value until we associate.
2315 if (!sdata->u.mgd.associated ||
2316 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2319 ap = sdata->u.mgd.associated->bssid;
2321 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2322 if (sdata->u.mgd.powersave)
2323 smps_mode = IEEE80211_SMPS_DYNAMIC;
2325 smps_mode = IEEE80211_SMPS_OFF;
2328 /* send SM PS frame to AP */
2329 err = ieee80211_send_smps_action(sdata, smps_mode,
2332 sdata->u.mgd.req_smps = old_req;
2337 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2338 bool enabled, int timeout)
2340 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2341 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2343 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2344 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
2347 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2350 if (enabled == sdata->u.mgd.powersave &&
2351 timeout == local->dynamic_ps_forced_timeout)
2354 sdata->u.mgd.powersave = enabled;
2355 local->dynamic_ps_forced_timeout = timeout;
2357 /* no change, but if automatic follow powersave */
2358 mutex_lock(&sdata->u.mgd.mtx);
2359 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2360 mutex_unlock(&sdata->u.mgd.mtx);
2362 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2363 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2365 ieee80211_recalc_ps(local, -1);
2366 ieee80211_recalc_ps_vif(sdata);
2371 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2372 struct net_device *dev,
2373 s32 rssi_thold, u32 rssi_hyst)
2375 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2376 struct ieee80211_vif *vif = &sdata->vif;
2377 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2379 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2380 rssi_hyst == bss_conf->cqm_rssi_hyst)
2383 bss_conf->cqm_rssi_thold = rssi_thold;
2384 bss_conf->cqm_rssi_hyst = rssi_hyst;
2386 /* tell the driver upon association, unless already associated */
2387 if (sdata->u.mgd.associated &&
2388 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2389 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2394 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2395 struct net_device *dev,
2397 const struct cfg80211_bitrate_mask *mask)
2399 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2400 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2403 if (!ieee80211_sdata_running(sdata))
2406 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2407 ret = drv_set_bitrate_mask(local, sdata, mask);
2412 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2413 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2414 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2415 sizeof(mask->control[i].mcs));
2421 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2422 struct ieee80211_sub_if_data *sdata,
2423 struct ieee80211_channel *channel,
2424 unsigned int duration, u64 *cookie,
2425 struct sk_buff *txskb,
2426 enum ieee80211_roc_type type)
2428 struct ieee80211_roc_work *roc, *tmp;
2429 bool queued = false;
2432 lockdep_assert_held(&local->mtx);
2434 if (local->use_chanctx && !local->ops->remain_on_channel)
2437 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2441 roc->chan = channel;
2442 roc->duration = duration;
2443 roc->req_duration = duration;
2446 roc->mgmt_tx_cookie = (unsigned long)txskb;
2448 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2449 INIT_LIST_HEAD(&roc->dependents);
2451 /* if there's one pending or we're scanning, queue this one */
2452 if (!list_empty(&local->roc_list) ||
2453 local->scanning || local->radar_detect_enabled)
2454 goto out_check_combine;
2456 /* if not HW assist, just queue & schedule work */
2457 if (!local->ops->remain_on_channel) {
2458 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2462 /* otherwise actually kick it off here (for error handling) */
2465 * If the duration is zero, then the driver
2466 * wouldn't actually do anything. Set it to
2469 * TODO: cancel the off-channel operation
2470 * when we get the SKB's TX status and
2471 * the wait time was zero before.
2476 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
2482 roc->started = true;
2486 list_for_each_entry(tmp, &local->roc_list, list) {
2487 if (tmp->chan != channel || tmp->sdata != sdata)
2491 * Extend this ROC if possible:
2493 * If it hasn't started yet, just increase the duration
2494 * and add the new one to the list of dependents.
2495 * If the type of the new ROC has higher priority, modify the
2496 * type of the previous one to match that of the new one.
2498 if (!tmp->started) {
2499 list_add_tail(&roc->list, &tmp->dependents);
2500 tmp->duration = max(tmp->duration, roc->duration);
2501 tmp->type = max(tmp->type, roc->type);
2506 /* If it has already started, it's more difficult ... */
2507 if (local->ops->remain_on_channel) {
2508 unsigned long j = jiffies;
2511 * In the offloaded ROC case, if it hasn't begun, add
2512 * this new one to the dependent list to be handled
2513 * when the master one begins. If it has begun,
2514 * check that there's still a minimum time left and
2515 * if so, start this one, transmitting the frame, but
2516 * add it to the list directly after this one with
2517 * a reduced time so we'll ask the driver to execute
2518 * it right after finishing the previous one, in the
2519 * hope that it'll also be executed right afterwards,
2520 * effectively extending the old one.
2521 * If there's no minimum time left, just add it to the
2523 * TODO: the ROC type is ignored here, assuming that it
2524 * is better to immediately use the current ROC.
2526 if (!tmp->hw_begun) {
2527 list_add_tail(&roc->list, &tmp->dependents);
2532 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2533 tmp->hw_start_time +
2534 msecs_to_jiffies(tmp->duration))) {
2537 ieee80211_handle_roc_started(roc);
2539 new_dur = roc->duration -
2540 jiffies_to_msecs(tmp->hw_start_time +
2546 /* add right after tmp */
2547 list_add(&roc->list, &tmp->list);
2549 list_add_tail(&roc->list,
2554 } else if (del_timer_sync(&tmp->work.timer)) {
2555 unsigned long new_end;
2558 * In the software ROC case, cancel the timer, if
2559 * that fails then the finish work is already
2560 * queued/pending and thus we queue the new ROC
2561 * normally, if that succeeds then we can extend
2562 * the timer duration and TX the frame (if any.)
2565 list_add_tail(&roc->list, &tmp->dependents);
2568 new_end = jiffies + msecs_to_jiffies(roc->duration);
2570 /* ok, it was started & we canceled timer */
2571 if (time_after(new_end, tmp->work.timer.expires))
2572 mod_timer(&tmp->work.timer, new_end);
2574 add_timer(&tmp->work.timer);
2576 ieee80211_handle_roc_started(roc);
2583 list_add_tail(&roc->list, &local->roc_list);
2586 * cookie is either the roc cookie (for normal roc)
2587 * or the SKB (for mgmt TX)
2590 /* local->mtx protects this */
2591 local->roc_cookie_counter++;
2592 roc->cookie = local->roc_cookie_counter;
2593 /* wow, you wrapped 64 bits ... more likely a bug */
2594 if (WARN_ON(roc->cookie == 0)) {
2596 local->roc_cookie_counter++;
2598 *cookie = roc->cookie;
2600 *cookie = (unsigned long)txskb;
2606 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2607 struct wireless_dev *wdev,
2608 struct ieee80211_channel *chan,
2609 unsigned int duration,
2612 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2613 struct ieee80211_local *local = sdata->local;
2616 mutex_lock(&local->mtx);
2617 ret = ieee80211_start_roc_work(local, sdata, chan,
2618 duration, cookie, NULL,
2619 IEEE80211_ROC_TYPE_NORMAL);
2620 mutex_unlock(&local->mtx);
2625 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2626 u64 cookie, bool mgmt_tx)
2628 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2631 mutex_lock(&local->mtx);
2632 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2633 struct ieee80211_roc_work *dep, *tmp2;
2635 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2636 if (!mgmt_tx && dep->cookie != cookie)
2638 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2640 /* found dependent item -- just remove it */
2641 list_del(&dep->list);
2642 mutex_unlock(&local->mtx);
2644 ieee80211_roc_notify_destroy(dep);
2648 if (!mgmt_tx && roc->cookie != cookie)
2650 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2658 mutex_unlock(&local->mtx);
2663 * We found the item to cancel, so do that. Note that it
2664 * may have dependents, which we also cancel (and send
2665 * the expired signal for.) Not doing so would be quite
2666 * tricky here, but we may need to fix it later.
2669 if (local->ops->remain_on_channel) {
2670 if (found->started) {
2671 ret = drv_cancel_remain_on_channel(local);
2672 if (WARN_ON_ONCE(ret)) {
2673 mutex_unlock(&local->mtx);
2678 list_del(&found->list);
2681 ieee80211_start_next_roc(local);
2682 mutex_unlock(&local->mtx);
2684 ieee80211_roc_notify_destroy(found);
2686 /* work may be pending so use it all the time */
2687 found->abort = true;
2688 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2690 mutex_unlock(&local->mtx);
2692 /* work will clean up etc */
2693 flush_delayed_work(&found->work);
2699 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2700 struct wireless_dev *wdev,
2703 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2704 struct ieee80211_local *local = sdata->local;
2706 return ieee80211_cancel_roc(local, cookie, false);
2709 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2710 struct net_device *dev,
2711 struct cfg80211_chan_def *chandef)
2713 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2714 struct ieee80211_local *local = sdata->local;
2715 unsigned long timeout;
2718 if (!list_empty(&local->roc_list) || local->scanning)
2721 /* whatever, but channel contexts should not complain about that one */
2722 sdata->smps_mode = IEEE80211_SMPS_OFF;
2723 sdata->needed_rx_chains = local->rx_chains;
2724 sdata->radar_required = true;
2726 mutex_lock(&local->iflist_mtx);
2727 err = ieee80211_vif_use_channel(sdata, chandef,
2728 IEEE80211_CHANCTX_SHARED);
2729 mutex_unlock(&local->iflist_mtx);
2733 timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2734 ieee80211_queue_delayed_work(&sdata->local->hw,
2735 &sdata->dfs_cac_timer_work, timeout);
2740 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
2741 struct ieee80211_channel *chan, bool offchan,
2742 unsigned int wait, const u8 *buf, size_t len,
2743 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
2745 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2746 struct ieee80211_local *local = sdata->local;
2747 struct sk_buff *skb;
2748 struct sta_info *sta;
2749 const struct ieee80211_mgmt *mgmt = (void *)buf;
2750 bool need_offchan = false;
2754 if (dont_wait_for_ack)
2755 flags = IEEE80211_TX_CTL_NO_ACK;
2757 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2758 IEEE80211_TX_CTL_REQ_TX_STATUS;
2761 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2763 switch (sdata->vif.type) {
2764 case NL80211_IFTYPE_ADHOC:
2765 if (!sdata->vif.bss_conf.ibss_joined)
2766 need_offchan = true;
2768 #ifdef CONFIG_MAC80211_MESH
2769 case NL80211_IFTYPE_MESH_POINT:
2770 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2771 !sdata->u.mesh.mesh_id_len)
2772 need_offchan = true;
2775 case NL80211_IFTYPE_AP:
2776 case NL80211_IFTYPE_AP_VLAN:
2777 case NL80211_IFTYPE_P2P_GO:
2778 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2779 !ieee80211_vif_is_mesh(&sdata->vif) &&
2780 !rcu_access_pointer(sdata->bss->beacon))
2781 need_offchan = true;
2782 if (!ieee80211_is_action(mgmt->frame_control) ||
2783 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
2786 sta = sta_info_get(sdata, mgmt->da);
2791 case NL80211_IFTYPE_STATION:
2792 case NL80211_IFTYPE_P2P_CLIENT:
2793 if (!sdata->u.mgd.associated)
2794 need_offchan = true;
2796 case NL80211_IFTYPE_P2P_DEVICE:
2797 need_offchan = true;
2803 mutex_lock(&local->mtx);
2805 /* Check if the operating channel is the requested channel */
2806 if (!need_offchan) {
2807 struct ieee80211_chanctx_conf *chanctx_conf;
2810 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2813 need_offchan = chan != chanctx_conf->def.chan;
2815 need_offchan = true;
2819 if (need_offchan && !offchan) {
2824 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2829 skb_reserve(skb, local->hw.extra_tx_headroom);
2831 memcpy(skb_put(skb, len), buf, len);
2833 IEEE80211_SKB_CB(skb)->flags = flags;
2835 skb->dev = sdata->dev;
2837 if (!need_offchan) {
2838 *cookie = (unsigned long) skb;
2839 ieee80211_tx_skb(sdata, skb);
2844 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
2845 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2846 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2847 IEEE80211_SKB_CB(skb)->hw_queue =
2848 local->hw.offchannel_tx_hw_queue;
2850 /* This will handle all kinds of coalescing and immediate TX */
2851 ret = ieee80211_start_roc_work(local, sdata, chan,
2853 IEEE80211_ROC_TYPE_MGMT_TX);
2857 mutex_unlock(&local->mtx);
2861 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2862 struct wireless_dev *wdev,
2865 struct ieee80211_local *local = wiphy_priv(wiphy);
2867 return ieee80211_cancel_roc(local, cookie, true);
2870 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2871 struct wireless_dev *wdev,
2872 u16 frame_type, bool reg)
2874 struct ieee80211_local *local = wiphy_priv(wiphy);
2875 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2877 switch (frame_type) {
2878 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2879 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2880 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
2883 ifibss->auth_frame_registrations++;
2885 ifibss->auth_frame_registrations--;
2888 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2890 local->probe_req_reg++;
2892 local->probe_req_reg--;
2894 if (!local->open_count)
2897 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2904 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2906 struct ieee80211_local *local = wiphy_priv(wiphy);
2911 return drv_set_antenna(local, tx_ant, rx_ant);
2914 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2916 struct ieee80211_local *local = wiphy_priv(wiphy);
2918 return drv_get_antenna(local, tx_ant, rx_ant);
2921 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2923 struct ieee80211_local *local = wiphy_priv(wiphy);
2925 return drv_set_ringparam(local, tx, rx);
2928 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2929 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2931 struct ieee80211_local *local = wiphy_priv(wiphy);
2933 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2936 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2937 struct net_device *dev,
2938 struct cfg80211_gtk_rekey_data *data)
2940 struct ieee80211_local *local = wiphy_priv(wiphy);
2941 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2943 if (!local->ops->set_rekey_data)
2946 drv_set_rekey_data(local, sdata, data);
2951 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2953 u8 *pos = (void *)skb_put(skb, 7);
2955 *pos++ = WLAN_EID_EXT_CAPABILITY;
2956 *pos++ = 5; /* len */
2961 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2964 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2966 struct ieee80211_local *local = sdata->local;
2970 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
2973 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2974 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2975 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2976 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2981 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2982 u8 *peer, u8 *bssid)
2984 struct ieee80211_tdls_lnkie *lnkid;
2986 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2988 lnkid->ie_type = WLAN_EID_LINK_ID;
2989 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2991 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2992 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2993 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2997 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2998 u8 *peer, u8 action_code, u8 dialog_token,
2999 u16 status_code, struct sk_buff *skb)
3001 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3002 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3003 struct ieee80211_tdls_data *tf;
3005 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3007 memcpy(tf->da, peer, ETH_ALEN);
3008 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3009 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3010 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3012 switch (action_code) {
3013 case WLAN_TDLS_SETUP_REQUEST:
3014 tf->category = WLAN_CATEGORY_TDLS;
3015 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3017 skb_put(skb, sizeof(tf->u.setup_req));
3018 tf->u.setup_req.dialog_token = dialog_token;
3019 tf->u.setup_req.capability =
3020 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3022 ieee80211_add_srates_ie(sdata, skb, false, band);
3023 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3024 ieee80211_tdls_add_ext_capab(skb);
3026 case WLAN_TDLS_SETUP_RESPONSE:
3027 tf->category = WLAN_CATEGORY_TDLS;
3028 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3030 skb_put(skb, sizeof(tf->u.setup_resp));
3031 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3032 tf->u.setup_resp.dialog_token = dialog_token;
3033 tf->u.setup_resp.capability =
3034 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3036 ieee80211_add_srates_ie(sdata, skb, false, band);
3037 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3038 ieee80211_tdls_add_ext_capab(skb);
3040 case WLAN_TDLS_SETUP_CONFIRM:
3041 tf->category = WLAN_CATEGORY_TDLS;
3042 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3044 skb_put(skb, sizeof(tf->u.setup_cfm));
3045 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3046 tf->u.setup_cfm.dialog_token = dialog_token;
3048 case WLAN_TDLS_TEARDOWN:
3049 tf->category = WLAN_CATEGORY_TDLS;
3050 tf->action_code = WLAN_TDLS_TEARDOWN;
3052 skb_put(skb, sizeof(tf->u.teardown));
3053 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3055 case WLAN_TDLS_DISCOVERY_REQUEST:
3056 tf->category = WLAN_CATEGORY_TDLS;
3057 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3059 skb_put(skb, sizeof(tf->u.discover_req));
3060 tf->u.discover_req.dialog_token = dialog_token;
3070 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3071 u8 *peer, u8 action_code, u8 dialog_token,
3072 u16 status_code, struct sk_buff *skb)
3074 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3075 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3076 struct ieee80211_mgmt *mgmt;
3078 mgmt = (void *)skb_put(skb, 24);
3079 memset(mgmt, 0, 24);
3080 memcpy(mgmt->da, peer, ETH_ALEN);
3081 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3082 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3084 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3085 IEEE80211_STYPE_ACTION);
3087 switch (action_code) {
3088 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3089 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3090 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3091 mgmt->u.action.u.tdls_discover_resp.action_code =
3092 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3093 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3095 mgmt->u.action.u.tdls_discover_resp.capability =
3096 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3098 ieee80211_add_srates_ie(sdata, skb, false, band);
3099 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3100 ieee80211_tdls_add_ext_capab(skb);
3109 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3110 u8 *peer, u8 action_code, u8 dialog_token,
3111 u16 status_code, const u8 *extra_ies,
3112 size_t extra_ies_len)
3114 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3115 struct ieee80211_local *local = sdata->local;
3116 struct sk_buff *skb = NULL;
3120 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3123 /* make sure we are in managed mode, and associated */
3124 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3125 !sdata->u.mgd.associated)
3128 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3131 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3132 max(sizeof(struct ieee80211_mgmt),
3133 sizeof(struct ieee80211_tdls_data)) +
3134 50 + /* supported rates */
3137 sizeof(struct ieee80211_tdls_lnkie));
3141 skb_reserve(skb, local->hw.extra_tx_headroom);
3143 switch (action_code) {
3144 case WLAN_TDLS_SETUP_REQUEST:
3145 case WLAN_TDLS_SETUP_RESPONSE:
3146 case WLAN_TDLS_SETUP_CONFIRM:
3147 case WLAN_TDLS_TEARDOWN:
3148 case WLAN_TDLS_DISCOVERY_REQUEST:
3149 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3150 action_code, dialog_token,
3152 send_direct = false;
3154 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3155 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3156 dialog_token, status_code,
3169 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3171 /* the TDLS link IE is always added last */
3172 switch (action_code) {
3173 case WLAN_TDLS_SETUP_REQUEST:
3174 case WLAN_TDLS_SETUP_CONFIRM:
3175 case WLAN_TDLS_TEARDOWN:
3176 case WLAN_TDLS_DISCOVERY_REQUEST:
3177 /* we are the initiator */
3178 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3179 sdata->u.mgd.bssid);
3181 case WLAN_TDLS_SETUP_RESPONSE:
3182 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3183 /* we are the responder */
3184 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3185 sdata->u.mgd.bssid);
3193 ieee80211_tx_skb(sdata, skb);
3198 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3199 * we should default to AC_VI.
3201 switch (action_code) {
3202 case WLAN_TDLS_SETUP_REQUEST:
3203 case WLAN_TDLS_SETUP_RESPONSE:
3204 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3208 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3213 /* disable bottom halves when entering the Tx path */
3215 ret = ieee80211_subif_start_xmit(skb, dev);
3225 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3226 u8 *peer, enum nl80211_tdls_operation oper)
3228 struct sta_info *sta;
3229 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3231 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3234 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3237 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
3240 case NL80211_TDLS_ENABLE_LINK:
3242 sta = sta_info_get(sdata, peer);
3248 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
3251 case NL80211_TDLS_DISABLE_LINK:
3252 return sta_info_destroy_addr(sdata, peer);
3253 case NL80211_TDLS_TEARDOWN:
3254 case NL80211_TDLS_SETUP:
3255 case NL80211_TDLS_DISCOVERY_REQ:
3256 /* We don't support in-driver setup/teardown/discovery */
3265 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3266 const u8 *peer, u64 *cookie)
3268 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3269 struct ieee80211_local *local = sdata->local;
3270 struct ieee80211_qos_hdr *nullfunc;
3271 struct sk_buff *skb;
3272 int size = sizeof(*nullfunc);
3275 struct ieee80211_tx_info *info;
3276 struct sta_info *sta;
3277 struct ieee80211_chanctx_conf *chanctx_conf;
3278 enum ieee80211_band band;
3281 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3282 if (WARN_ON(!chanctx_conf)) {
3286 band = chanctx_conf->def.chan->band;
3287 sta = sta_info_get(sdata, peer);
3289 qos = test_sta_flag(sta, WLAN_STA_WME);
3296 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3297 IEEE80211_STYPE_QOS_NULLFUNC |
3298 IEEE80211_FCTL_FROMDS);
3301 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3302 IEEE80211_STYPE_NULLFUNC |
3303 IEEE80211_FCTL_FROMDS);
3306 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3314 skb_reserve(skb, local->hw.extra_tx_headroom);
3316 nullfunc = (void *) skb_put(skb, size);
3317 nullfunc->frame_control = fc;
3318 nullfunc->duration_id = 0;
3319 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3320 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3321 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3322 nullfunc->seq_ctrl = 0;
3324 info = IEEE80211_SKB_CB(skb);
3326 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3327 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3329 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3332 nullfunc->qos_ctrl = cpu_to_le16(7);
3335 ieee80211_xmit(sdata, skb, band);
3339 *cookie = (unsigned long) skb;
3343 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3344 struct wireless_dev *wdev,
3345 struct cfg80211_chan_def *chandef)
3347 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3348 struct ieee80211_local *local = wiphy_priv(wiphy);
3349 struct ieee80211_chanctx_conf *chanctx_conf;
3353 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3355 *chandef = chanctx_conf->def;
3357 } else if (local->open_count > 0 &&
3358 local->open_count == local->monitors &&
3359 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3360 if (local->use_chanctx)
3361 *chandef = local->monitor_chandef;
3363 cfg80211_chandef_create(chandef,
3364 local->_oper_channel,
3365 local->_oper_channel_type);
3374 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3376 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3380 struct cfg80211_ops mac80211_config_ops = {
3381 .add_virtual_intf = ieee80211_add_iface,
3382 .del_virtual_intf = ieee80211_del_iface,
3383 .change_virtual_intf = ieee80211_change_iface,
3384 .start_p2p_device = ieee80211_start_p2p_device,
3385 .stop_p2p_device = ieee80211_stop_p2p_device,
3386 .add_key = ieee80211_add_key,
3387 .del_key = ieee80211_del_key,
3388 .get_key = ieee80211_get_key,
3389 .set_default_key = ieee80211_config_default_key,
3390 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3391 .start_ap = ieee80211_start_ap,
3392 .change_beacon = ieee80211_change_beacon,
3393 .stop_ap = ieee80211_stop_ap,
3394 .add_station = ieee80211_add_station,
3395 .del_station = ieee80211_del_station,
3396 .change_station = ieee80211_change_station,
3397 .get_station = ieee80211_get_station,
3398 .dump_station = ieee80211_dump_station,
3399 .dump_survey = ieee80211_dump_survey,
3400 #ifdef CONFIG_MAC80211_MESH
3401 .add_mpath = ieee80211_add_mpath,
3402 .del_mpath = ieee80211_del_mpath,
3403 .change_mpath = ieee80211_change_mpath,
3404 .get_mpath = ieee80211_get_mpath,
3405 .dump_mpath = ieee80211_dump_mpath,
3406 .update_mesh_config = ieee80211_update_mesh_config,
3407 .get_mesh_config = ieee80211_get_mesh_config,
3408 .join_mesh = ieee80211_join_mesh,
3409 .leave_mesh = ieee80211_leave_mesh,
3411 .change_bss = ieee80211_change_bss,
3412 .set_txq_params = ieee80211_set_txq_params,
3413 .set_monitor_channel = ieee80211_set_monitor_channel,
3414 .suspend = ieee80211_suspend,
3415 .resume = ieee80211_resume,
3416 .scan = ieee80211_scan,
3417 .sched_scan_start = ieee80211_sched_scan_start,
3418 .sched_scan_stop = ieee80211_sched_scan_stop,
3419 .auth = ieee80211_auth,
3420 .assoc = ieee80211_assoc,
3421 .deauth = ieee80211_deauth,
3422 .disassoc = ieee80211_disassoc,
3423 .join_ibss = ieee80211_join_ibss,
3424 .leave_ibss = ieee80211_leave_ibss,
3425 .set_mcast_rate = ieee80211_set_mcast_rate,
3426 .set_wiphy_params = ieee80211_set_wiphy_params,
3427 .set_tx_power = ieee80211_set_tx_power,
3428 .get_tx_power = ieee80211_get_tx_power,
3429 .set_wds_peer = ieee80211_set_wds_peer,
3430 .rfkill_poll = ieee80211_rfkill_poll,
3431 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3432 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3433 .set_power_mgmt = ieee80211_set_power_mgmt,
3434 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3435 .remain_on_channel = ieee80211_remain_on_channel,
3436 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3437 .mgmt_tx = ieee80211_mgmt_tx,
3438 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3439 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3440 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3441 .set_antenna = ieee80211_set_antenna,
3442 .get_antenna = ieee80211_get_antenna,
3443 .set_ringparam = ieee80211_set_ringparam,
3444 .get_ringparam = ieee80211_get_ringparam,
3445 .set_rekey_data = ieee80211_set_rekey_data,
3446 .tdls_oper = ieee80211_tdls_oper,
3447 .tdls_mgmt = ieee80211_tdls_mgmt,
3448 .probe_client = ieee80211_probe_client,
3449 .set_noack_map = ieee80211_set_noack_map,
3451 .set_wakeup = ieee80211_set_wakeup,
3453 .get_et_sset_count = ieee80211_get_et_sset_count,
3454 .get_et_stats = ieee80211_get_et_stats,
3455 .get_et_strings = ieee80211_get_et_strings,
3456 .get_channel = ieee80211_cfg_get_channel,
3457 .start_radar_detection = ieee80211_start_radar_detection,