2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * This file is GPLv2 as found in COPYING.
9 #include <linux/ieee80211.h>
10 #include <linux/nl80211.h>
11 #include <linux/rtnetlink.h>
12 #include <linux/slab.h>
13 #include <net/net_namespace.h>
14 #include <linux/rcupdate.h>
15 #include <linux/if_ether.h>
16 #include <net/cfg80211.h>
17 #include "ieee80211_i.h"
18 #include "driver-ops.h"
23 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
25 enum nl80211_iftype type,
27 struct vif_params *params)
29 struct ieee80211_local *local = wiphy_priv(wiphy);
30 struct wireless_dev *wdev;
31 struct ieee80211_sub_if_data *sdata;
34 err = ieee80211_if_add(local, name, &wdev, type, params);
38 if (type == NL80211_IFTYPE_MONITOR && flags) {
39 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
40 sdata->u.mntr_flags = *flags;
46 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
48 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
53 static int ieee80211_change_iface(struct wiphy *wiphy,
54 struct net_device *dev,
55 enum nl80211_iftype type, u32 *flags,
56 struct vif_params *params)
58 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
61 ret = ieee80211_if_change_type(sdata, type);
65 if (type == NL80211_IFTYPE_AP_VLAN &&
66 params && params->use_4addr == 0)
67 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
68 else if (type == NL80211_IFTYPE_STATION &&
69 params && params->use_4addr >= 0)
70 sdata->u.mgd.use_4addr = params->use_4addr;
72 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
73 struct ieee80211_local *local = sdata->local;
75 if (ieee80211_sdata_running(sdata)) {
77 * Prohibit MONITOR_FLAG_COOK_FRAMES to be
78 * changed while the interface is up.
79 * Else we would need to add a lot of cruft
80 * to update everything:
81 * cooked_mntrs, monitor and all fif_* counters
82 * reconfigure hardware
84 if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
85 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
88 ieee80211_adjust_monitor_flags(sdata, -1);
89 sdata->u.mntr_flags = *flags;
90 ieee80211_adjust_monitor_flags(sdata, 1);
92 ieee80211_configure_filter(local);
95 * Because the interface is down, ieee80211_do_stop
96 * and ieee80211_do_open take care of "everything"
97 * mentioned in the comment above.
99 sdata->u.mntr_flags = *flags;
106 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
107 struct wireless_dev *wdev)
109 return ieee80211_do_open(wdev, true);
112 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
113 struct wireless_dev *wdev)
115 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
118 static int ieee80211_set_noack_map(struct wiphy *wiphy,
119 struct net_device *dev,
122 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
124 sdata->noack_map = noack_map;
128 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
129 u8 key_idx, bool pairwise, const u8 *mac_addr,
130 struct key_params *params)
132 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
133 struct sta_info *sta = NULL;
134 struct ieee80211_key *key;
137 if (!ieee80211_sdata_running(sdata))
140 /* reject WEP and TKIP keys if WEP failed to initialize */
141 switch (params->cipher) {
142 case WLAN_CIPHER_SUITE_WEP40:
143 case WLAN_CIPHER_SUITE_TKIP:
144 case WLAN_CIPHER_SUITE_WEP104:
145 if (IS_ERR(sdata->local->wep_tx_tfm))
152 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
153 params->key, params->seq_len, params->seq);
158 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
160 mutex_lock(&sdata->local->sta_mtx);
163 if (ieee80211_vif_is_mesh(&sdata->vif))
164 sta = sta_info_get(sdata, mac_addr);
166 sta = sta_info_get_bss(sdata, mac_addr);
168 * The ASSOC test makes sure the driver is ready to
169 * receive the key. When wpa_supplicant has roamed
170 * using FT, it attempts to set the key before
171 * association has completed, this rejects that attempt
172 * so it will set the key again after assocation.
174 * TODO: accept the key if we have a station entry and
175 * add it to the device after the station.
177 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
178 ieee80211_key_free(sdata->local, key);
184 switch (sdata->vif.type) {
185 case NL80211_IFTYPE_STATION:
186 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
187 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
189 case NL80211_IFTYPE_AP:
190 case NL80211_IFTYPE_AP_VLAN:
191 /* Keys without a station are used for TX only */
192 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
193 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
195 case NL80211_IFTYPE_ADHOC:
198 case NL80211_IFTYPE_MESH_POINT:
199 #ifdef CONFIG_MAC80211_MESH
200 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
201 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
204 case NL80211_IFTYPE_WDS:
205 case NL80211_IFTYPE_MONITOR:
206 case NL80211_IFTYPE_P2P_DEVICE:
207 case NL80211_IFTYPE_UNSPECIFIED:
208 case NUM_NL80211_IFTYPES:
209 case NL80211_IFTYPE_P2P_CLIENT:
210 case NL80211_IFTYPE_P2P_GO:
211 /* shouldn't happen */
216 err = ieee80211_key_link(key, sdata, sta);
218 ieee80211_key_free(sdata->local, key);
221 mutex_unlock(&sdata->local->sta_mtx);
226 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
227 u8 key_idx, bool pairwise, const u8 *mac_addr)
229 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
230 struct ieee80211_local *local = sdata->local;
231 struct sta_info *sta;
232 struct ieee80211_key *key = NULL;
235 mutex_lock(&local->sta_mtx);
236 mutex_lock(&local->key_mtx);
241 sta = sta_info_get_bss(sdata, mac_addr);
246 key = key_mtx_dereference(local, sta->ptk);
248 key = key_mtx_dereference(local, sta->gtk[key_idx]);
250 key = key_mtx_dereference(local, sdata->keys[key_idx]);
257 __ieee80211_key_free(key);
261 mutex_unlock(&local->key_mtx);
262 mutex_unlock(&local->sta_mtx);
267 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
268 u8 key_idx, bool pairwise, const u8 *mac_addr,
270 void (*callback)(void *cookie,
271 struct key_params *params))
273 struct ieee80211_sub_if_data *sdata;
274 struct sta_info *sta = NULL;
276 struct key_params params;
277 struct ieee80211_key *key = NULL;
283 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
288 sta = sta_info_get_bss(sdata, mac_addr);
293 key = rcu_dereference(sta->ptk);
294 else if (key_idx < NUM_DEFAULT_KEYS)
295 key = rcu_dereference(sta->gtk[key_idx]);
297 key = rcu_dereference(sdata->keys[key_idx]);
302 memset(¶ms, 0, sizeof(params));
304 params.cipher = key->conf.cipher;
306 switch (key->conf.cipher) {
307 case WLAN_CIPHER_SUITE_TKIP:
308 iv32 = key->u.tkip.tx.iv32;
309 iv16 = key->u.tkip.tx.iv16;
311 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
312 drv_get_tkip_seq(sdata->local,
313 key->conf.hw_key_idx,
316 seq[0] = iv16 & 0xff;
317 seq[1] = (iv16 >> 8) & 0xff;
318 seq[2] = iv32 & 0xff;
319 seq[3] = (iv32 >> 8) & 0xff;
320 seq[4] = (iv32 >> 16) & 0xff;
321 seq[5] = (iv32 >> 24) & 0xff;
325 case WLAN_CIPHER_SUITE_CCMP:
326 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
336 case WLAN_CIPHER_SUITE_AES_CMAC:
337 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
349 params.key = key->conf.key;
350 params.key_len = key->conf.keylen;
352 callback(cookie, ¶ms);
360 static int ieee80211_config_default_key(struct wiphy *wiphy,
361 struct net_device *dev,
362 u8 key_idx, bool uni,
365 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
367 ieee80211_set_default_key(sdata, key_idx, uni, multi);
372 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
373 struct net_device *dev,
376 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
378 ieee80211_set_default_mgmt_key(sdata, key_idx);
383 void sta_set_rate_info_tx(struct sta_info *sta,
384 const struct ieee80211_tx_rate *rate,
385 struct rate_info *rinfo)
388 if (rate->flags & IEEE80211_TX_RC_MCS) {
389 rinfo->flags |= RATE_INFO_FLAGS_MCS;
390 rinfo->mcs = rate->idx;
391 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
392 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
393 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
394 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
396 struct ieee80211_supported_band *sband;
397 sband = sta->local->hw.wiphy->bands[
398 ieee80211_get_sdata_band(sta->sdata)];
399 rinfo->legacy = sband->bitrates[rate->idx].bitrate;
401 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
402 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
403 if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
404 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
405 if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
406 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
407 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
408 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
411 void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
415 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
416 rinfo->flags |= RATE_INFO_FLAGS_MCS;
417 rinfo->mcs = sta->last_rx_rate_idx;
418 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
419 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
420 rinfo->nss = sta->last_rx_rate_vht_nss;
421 rinfo->mcs = sta->last_rx_rate_idx;
423 struct ieee80211_supported_band *sband;
425 sband = sta->local->hw.wiphy->bands[
426 ieee80211_get_sdata_band(sta->sdata)];
428 sband->bitrates[sta->last_rx_rate_idx].bitrate;
431 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
432 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
433 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
434 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
435 if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
436 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
437 if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
438 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
439 if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
440 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
443 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
445 struct ieee80211_sub_if_data *sdata = sta->sdata;
446 struct ieee80211_local *local = sdata->local;
447 struct timespec uptime;
449 sinfo->generation = sdata->local->sta_generation;
451 sinfo->filled = STATION_INFO_INACTIVE_TIME |
452 STATION_INFO_RX_BYTES |
453 STATION_INFO_TX_BYTES |
454 STATION_INFO_RX_PACKETS |
455 STATION_INFO_TX_PACKETS |
456 STATION_INFO_TX_RETRIES |
457 STATION_INFO_TX_FAILED |
458 STATION_INFO_TX_BITRATE |
459 STATION_INFO_RX_BITRATE |
460 STATION_INFO_RX_DROP_MISC |
461 STATION_INFO_BSS_PARAM |
462 STATION_INFO_CONNECTED_TIME |
463 STATION_INFO_STA_FLAGS |
464 STATION_INFO_BEACON_LOSS_COUNT;
466 do_posix_clock_monotonic_gettime(&uptime);
467 sinfo->connected_time = uptime.tv_sec - sta->last_connected;
469 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
470 sinfo->rx_bytes = sta->rx_bytes;
471 sinfo->tx_bytes = sta->tx_bytes;
472 sinfo->rx_packets = sta->rx_packets;
473 sinfo->tx_packets = sta->tx_packets;
474 sinfo->tx_retries = sta->tx_retry_count;
475 sinfo->tx_failed = sta->tx_retry_failed;
476 sinfo->rx_dropped_misc = sta->rx_dropped;
477 sinfo->beacon_loss_count = sta->beacon_loss_count;
479 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
480 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
481 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
482 if (!local->ops->get_rssi ||
483 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
484 sinfo->signal = (s8)sta->last_signal;
485 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
488 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
489 sta_set_rate_info_rx(sta, &sinfo->rxrate);
491 if (ieee80211_vif_is_mesh(&sdata->vif)) {
492 #ifdef CONFIG_MAC80211_MESH
493 sinfo->filled |= STATION_INFO_LLID |
495 STATION_INFO_PLINK_STATE |
496 STATION_INFO_LOCAL_PM |
497 STATION_INFO_PEER_PM |
498 STATION_INFO_NONPEER_PM;
500 sinfo->llid = le16_to_cpu(sta->llid);
501 sinfo->plid = le16_to_cpu(sta->plid);
502 sinfo->plink_state = sta->plink_state;
503 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
504 sinfo->filled |= STATION_INFO_T_OFFSET;
505 sinfo->t_offset = sta->t_offset;
507 sinfo->local_pm = sta->local_pm;
508 sinfo->peer_pm = sta->peer_pm;
509 sinfo->nonpeer_pm = sta->nonpeer_pm;
513 sinfo->bss_param.flags = 0;
514 if (sdata->vif.bss_conf.use_cts_prot)
515 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
516 if (sdata->vif.bss_conf.use_short_preamble)
517 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
518 if (sdata->vif.bss_conf.use_short_slot)
519 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
520 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
521 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
523 sinfo->sta_flags.set = 0;
524 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
525 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
526 BIT(NL80211_STA_FLAG_WME) |
527 BIT(NL80211_STA_FLAG_MFP) |
528 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
529 BIT(NL80211_STA_FLAG_ASSOCIATED) |
530 BIT(NL80211_STA_FLAG_TDLS_PEER);
531 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
532 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
533 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
534 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
535 if (test_sta_flag(sta, WLAN_STA_WME))
536 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
537 if (test_sta_flag(sta, WLAN_STA_MFP))
538 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
539 if (test_sta_flag(sta, WLAN_STA_AUTH))
540 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
541 if (test_sta_flag(sta, WLAN_STA_ASSOC))
542 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
543 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
544 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
547 static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
548 "rx_packets", "rx_bytes", "wep_weak_iv_count",
549 "rx_duplicates", "rx_fragments", "rx_dropped",
550 "tx_packets", "tx_bytes", "tx_fragments",
551 "tx_filtered", "tx_retry_failed", "tx_retries",
552 "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
553 "channel", "noise", "ch_time", "ch_time_busy",
554 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
556 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats)
558 static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
559 struct net_device *dev,
562 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
565 if (sset == ETH_SS_STATS)
568 rv += drv_get_et_sset_count(sdata, sset);
575 static void ieee80211_get_et_stats(struct wiphy *wiphy,
576 struct net_device *dev,
577 struct ethtool_stats *stats,
580 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
581 struct ieee80211_chanctx_conf *chanctx_conf;
582 struct ieee80211_channel *channel;
583 struct sta_info *sta;
584 struct ieee80211_local *local = sdata->local;
585 struct station_info sinfo;
586 struct survey_info survey;
588 #define STA_STATS_SURVEY_LEN 7
590 memset(data, 0, sizeof(u64) * STA_STATS_LEN);
592 #define ADD_STA_STATS(sta) \
594 data[i++] += sta->rx_packets; \
595 data[i++] += sta->rx_bytes; \
596 data[i++] += sta->wep_weak_iv_count; \
597 data[i++] += sta->num_duplicates; \
598 data[i++] += sta->rx_fragments; \
599 data[i++] += sta->rx_dropped; \
601 data[i++] += sta->tx_packets; \
602 data[i++] += sta->tx_bytes; \
603 data[i++] += sta->tx_fragments; \
604 data[i++] += sta->tx_filtered_count; \
605 data[i++] += sta->tx_retry_failed; \
606 data[i++] += sta->tx_retry_count; \
607 data[i++] += sta->beacon_loss_count; \
610 /* For Managed stations, find the single station based on BSSID
611 * and use that. For interface types, iterate through all available
612 * stations and add stats for any station that is assigned to this
616 mutex_lock(&local->sta_mtx);
618 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
619 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
621 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
627 data[i++] = sta->sta_state;
630 sta_set_sinfo(sta, &sinfo);
632 if (sinfo.filled & STATION_INFO_TX_BITRATE)
634 cfg80211_calculate_bitrate(&sinfo.txrate);
636 if (sinfo.filled & STATION_INFO_RX_BITRATE)
638 cfg80211_calculate_bitrate(&sinfo.rxrate);
641 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
642 data[i] = (u8)sinfo.signal_avg;
645 list_for_each_entry(sta, &local->sta_list, list) {
646 /* Make sure this station belongs to the proper dev */
647 if (sta->sdata->dev != dev)
656 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
657 /* Get survey stats for current channel */
661 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
663 channel = chanctx_conf->def.chan;
672 if (drv_get_survey(local, q, &survey) != 0) {
677 } while (channel != survey.channel);
681 data[i++] = survey.channel->center_freq;
684 if (survey.filled & SURVEY_INFO_NOISE_DBM)
685 data[i++] = (u8)survey.noise;
688 if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
689 data[i++] = survey.channel_time;
692 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
693 data[i++] = survey.channel_time_busy;
696 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
697 data[i++] = survey.channel_time_ext_busy;
700 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
701 data[i++] = survey.channel_time_rx;
704 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
705 data[i++] = survey.channel_time_tx;
709 mutex_unlock(&local->sta_mtx);
711 if (WARN_ON(i != STA_STATS_LEN))
714 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
717 static void ieee80211_get_et_strings(struct wiphy *wiphy,
718 struct net_device *dev,
721 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
722 int sz_sta_stats = 0;
724 if (sset == ETH_SS_STATS) {
725 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
726 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
728 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
731 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
732 int idx, u8 *mac, struct station_info *sinfo)
734 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
735 struct ieee80211_local *local = sdata->local;
736 struct sta_info *sta;
739 mutex_lock(&local->sta_mtx);
741 sta = sta_info_get_by_idx(sdata, idx);
744 memcpy(mac, sta->sta.addr, ETH_ALEN);
745 sta_set_sinfo(sta, sinfo);
748 mutex_unlock(&local->sta_mtx);
753 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
754 int idx, struct survey_info *survey)
756 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
758 return drv_get_survey(local, idx, survey);
761 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
762 u8 *mac, struct station_info *sinfo)
764 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
765 struct ieee80211_local *local = sdata->local;
766 struct sta_info *sta;
769 mutex_lock(&local->sta_mtx);
771 sta = sta_info_get_bss(sdata, mac);
774 sta_set_sinfo(sta, sinfo);
777 mutex_unlock(&local->sta_mtx);
782 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
783 struct cfg80211_chan_def *chandef)
785 struct ieee80211_local *local = wiphy_priv(wiphy);
786 struct ieee80211_sub_if_data *sdata;
789 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
792 mutex_lock(&local->iflist_mtx);
793 if (local->use_chanctx) {
794 sdata = rcu_dereference_protected(
795 local->monitor_sdata,
796 lockdep_is_held(&local->iflist_mtx));
798 ieee80211_vif_release_channel(sdata);
799 ret = ieee80211_vif_use_channel(sdata, chandef,
800 IEEE80211_CHANCTX_EXCLUSIVE);
802 } else if (local->open_count == local->monitors) {
803 local->_oper_channel = chandef->chan;
804 local->_oper_channel_type = cfg80211_get_chandef_type(chandef);
805 ieee80211_hw_config(local, 0);
809 local->monitor_chandef = *chandef;
810 mutex_unlock(&local->iflist_mtx);
815 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
816 const u8 *resp, size_t resp_len)
818 struct probe_resp *new, *old;
820 if (!resp || !resp_len)
823 old = rtnl_dereference(sdata->u.ap.probe_resp);
825 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
830 memcpy(new->data, resp, resp_len);
832 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
834 kfree_rcu(old, rcu_head);
839 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
840 struct cfg80211_beacon_data *params)
842 struct beacon_data *new, *old;
843 int new_head_len, new_tail_len;
845 u32 changed = BSS_CHANGED_BEACON;
847 old = rtnl_dereference(sdata->u.ap.beacon);
849 /* Need to have a beacon head if we don't have one yet */
850 if (!params->head && !old)
853 /* new or old head? */
855 new_head_len = params->head_len;
857 new_head_len = old->head_len;
859 /* new or old tail? */
860 if (params->tail || !old)
861 /* params->tail_len will be zero for !params->tail */
862 new_tail_len = params->tail_len;
864 new_tail_len = old->tail_len;
866 size = sizeof(*new) + new_head_len + new_tail_len;
868 new = kzalloc(size, GFP_KERNEL);
872 /* start filling the new info now */
875 * pointers go into the block we allocated,
876 * memory is | beacon_data | head | tail |
878 new->head = ((u8 *) new) + sizeof(*new);
879 new->tail = new->head + new_head_len;
880 new->head_len = new_head_len;
881 new->tail_len = new_tail_len;
885 memcpy(new->head, params->head, new_head_len);
887 memcpy(new->head, old->head, new_head_len);
889 /* copy in optional tail */
891 memcpy(new->tail, params->tail, new_tail_len);
894 memcpy(new->tail, old->tail, new_tail_len);
896 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
897 params->probe_resp_len);
901 changed |= BSS_CHANGED_AP_PROBE_RESP;
903 rcu_assign_pointer(sdata->u.ap.beacon, new);
906 kfree_rcu(old, rcu_head);
911 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
912 struct cfg80211_ap_settings *params)
914 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
915 struct beacon_data *old;
916 struct ieee80211_sub_if_data *vlan;
917 u32 changed = BSS_CHANGED_BEACON_INT |
918 BSS_CHANGED_BEACON_ENABLED |
924 old = rtnl_dereference(sdata->u.ap.beacon);
928 /* TODO: make hostapd tell us what it wants */
929 sdata->smps_mode = IEEE80211_SMPS_OFF;
930 sdata->needed_rx_chains = sdata->local->rx_chains;
932 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
933 IEEE80211_CHANCTX_SHARED);
936 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
939 * Apply control port protocol, this allows us to
940 * not encrypt dynamic WEP control frames.
942 sdata->control_port_protocol = params->crypto.control_port_ethertype;
943 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
944 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
945 vlan->control_port_protocol =
946 params->crypto.control_port_ethertype;
947 vlan->control_port_no_encrypt =
948 params->crypto.control_port_no_encrypt;
951 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
952 sdata->vif.bss_conf.dtim_period = params->dtim_period;
953 sdata->vif.bss_conf.enable_beacon = true;
955 sdata->vif.bss_conf.ssid_len = params->ssid_len;
956 if (params->ssid_len)
957 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
959 sdata->vif.bss_conf.hidden_ssid =
960 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
962 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
963 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
965 err = ieee80211_assign_beacon(sdata, ¶ms->beacon);
970 err = drv_start_ap(sdata->local, sdata);
972 old = rtnl_dereference(sdata->u.ap.beacon);
974 kfree_rcu(old, rcu_head);
975 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
979 ieee80211_bss_info_change_notify(sdata, changed);
981 netif_carrier_on(dev);
982 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
983 netif_carrier_on(vlan->dev);
988 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
989 struct cfg80211_beacon_data *params)
991 struct ieee80211_sub_if_data *sdata;
992 struct beacon_data *old;
995 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
997 old = rtnl_dereference(sdata->u.ap.beacon);
1001 err = ieee80211_assign_beacon(sdata, params);
1004 ieee80211_bss_info_change_notify(sdata, err);
1008 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1010 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1011 struct ieee80211_sub_if_data *vlan;
1012 struct ieee80211_local *local = sdata->local;
1013 struct beacon_data *old_beacon;
1014 struct probe_resp *old_probe_resp;
1016 old_beacon = rtnl_dereference(sdata->u.ap.beacon);
1019 old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
1021 /* turn off carrier for this interface and dependent VLANs */
1022 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1023 netif_carrier_off(vlan->dev);
1024 netif_carrier_off(dev);
1026 /* remove beacon and probe response */
1027 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1028 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1029 kfree_rcu(old_beacon, rcu_head);
1031 kfree_rcu(old_probe_resp, rcu_head);
1033 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1034 sta_info_flush_defer(vlan);
1035 sta_info_flush_defer(sdata);
1037 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1038 sta_info_flush_cleanup(vlan);
1039 sta_info_flush_cleanup(sdata);
1041 sdata->vif.bss_conf.enable_beacon = false;
1042 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1043 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1045 drv_stop_ap(sdata->local, sdata);
1047 /* free all potentially still buffered bcast frames */
1048 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1049 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1051 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1052 ieee80211_vif_release_channel(sdata);
1057 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1058 struct iapp_layer2_update {
1059 u8 da[ETH_ALEN]; /* broadcast */
1060 u8 sa[ETH_ALEN]; /* STA addr */
1068 static void ieee80211_send_layer2_update(struct sta_info *sta)
1070 struct iapp_layer2_update *msg;
1071 struct sk_buff *skb;
1073 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1076 skb = dev_alloc_skb(sizeof(*msg));
1079 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1081 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1082 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1084 eth_broadcast_addr(msg->da);
1085 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
1086 msg->len = htons(6);
1088 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1089 msg->control = 0xaf; /* XID response lsb.1111F101.
1090 * F=0 (no poll command; unsolicited frame) */
1091 msg->xid_info[0] = 0x81; /* XID format identifier */
1092 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1093 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1095 skb->dev = sta->sdata->dev;
1096 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
1097 memset(skb->cb, 0, sizeof(skb->cb));
1101 static int sta_apply_auth_flags(struct ieee80211_local *local,
1102 struct sta_info *sta,
1107 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1108 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1109 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1110 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1115 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1116 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1117 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1118 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1123 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1124 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1125 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1126 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1127 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1134 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1135 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1136 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1137 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1142 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1143 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1144 test_sta_flag(sta, WLAN_STA_AUTH)) {
1145 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1153 static int sta_apply_parameters(struct ieee80211_local *local,
1154 struct sta_info *sta,
1155 struct station_parameters *params)
1160 struct ieee80211_supported_band *sband;
1161 struct ieee80211_sub_if_data *sdata = sta->sdata;
1162 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1165 sband = local->hw.wiphy->bands[band];
1167 mask = params->sta_flags_mask;
1168 set = params->sta_flags_set;
1170 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1172 * In mesh mode, ASSOCIATED isn't part of the nl80211
1173 * API but must follow AUTHENTICATED for driver state.
1175 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1176 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1177 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1178 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1181 ret = sta_apply_auth_flags(local, sta, mask, set);
1185 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1186 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1187 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1189 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1192 if (mask & BIT(NL80211_STA_FLAG_WME)) {
1193 if (set & BIT(NL80211_STA_FLAG_WME)) {
1194 set_sta_flag(sta, WLAN_STA_WME);
1195 sta->sta.wme = true;
1197 clear_sta_flag(sta, WLAN_STA_WME);
1198 sta->sta.wme = false;
1202 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1203 if (set & BIT(NL80211_STA_FLAG_MFP))
1204 set_sta_flag(sta, WLAN_STA_MFP);
1206 clear_sta_flag(sta, WLAN_STA_MFP);
1209 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1210 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1211 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1213 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1216 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1217 sta->sta.uapsd_queues = params->uapsd_queues;
1218 sta->sta.max_sp = params->max_sp;
1222 * cfg80211 validates this (1-2007) and allows setting the AID
1223 * only when creating a new station entry
1226 sta->sta.aid = params->aid;
1229 * Some of the following updates would be racy if called on an
1230 * existing station, via ieee80211_change_station(). However,
1231 * all such changes are rejected by cfg80211 except for updates
1232 * changing the supported rates on an existing but not yet used
1236 if (params->listen_interval >= 0)
1237 sta->listen_interval = params->listen_interval;
1239 if (params->supported_rates) {
1242 for (i = 0; i < params->supported_rates_len; i++) {
1243 int rate = (params->supported_rates[i] & 0x7f) * 5;
1244 for (j = 0; j < sband->n_bitrates; j++) {
1245 if (sband->bitrates[j].bitrate == rate)
1249 sta->sta.supp_rates[band] = rates;
1252 if (params->ht_capa)
1253 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1257 if (params->vht_capa)
1258 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1262 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1263 #ifdef CONFIG_MAC80211_MESH
1264 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) {
1267 switch (params->plink_state) {
1268 case NL80211_PLINK_ESTAB:
1269 if (sta->plink_state != NL80211_PLINK_ESTAB)
1270 changed = mesh_plink_inc_estab_count(
1272 sta->plink_state = params->plink_state;
1274 ieee80211_mps_sta_status_update(sta);
1275 ieee80211_mps_set_sta_local_pm(sta,
1276 sdata->u.mesh.mshcfg.power_mode);
1278 case NL80211_PLINK_LISTEN:
1279 case NL80211_PLINK_BLOCKED:
1280 case NL80211_PLINK_OPN_SNT:
1281 case NL80211_PLINK_OPN_RCVD:
1282 case NL80211_PLINK_CNF_RCVD:
1283 case NL80211_PLINK_HOLDING:
1284 if (sta->plink_state == NL80211_PLINK_ESTAB)
1285 changed = mesh_plink_dec_estab_count(
1287 sta->plink_state = params->plink_state;
1289 ieee80211_mps_sta_status_update(sta);
1290 ieee80211_mps_local_status_update(sdata);
1296 ieee80211_bss_info_change_notify(sdata, changed);
1298 switch (params->plink_action) {
1299 case PLINK_ACTION_OPEN:
1300 mesh_plink_open(sta);
1302 case PLINK_ACTION_BLOCK:
1303 mesh_plink_block(sta);
1308 if (params->local_pm)
1309 ieee80211_mps_set_sta_local_pm(sta, params->local_pm);
1316 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1317 u8 *mac, struct station_parameters *params)
1319 struct ieee80211_local *local = wiphy_priv(wiphy);
1320 struct sta_info *sta;
1321 struct ieee80211_sub_if_data *sdata;
1326 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1328 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1329 sdata->vif.type != NL80211_IFTYPE_AP)
1332 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1334 if (ether_addr_equal(mac, sdata->vif.addr))
1337 if (is_multicast_ether_addr(mac))
1340 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1345 * defaults -- if userspace wants something else we'll
1346 * change it accordingly in sta_apply_parameters()
1348 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1349 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1351 err = sta_apply_parameters(local, sta, params);
1353 sta_info_free(local, sta);
1358 * for TDLS, rate control should be initialized only when supported
1361 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1362 rate_control_rate_init(sta);
1364 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1365 sdata->vif.type == NL80211_IFTYPE_AP;
1367 err = sta_info_insert_rcu(sta);
1374 ieee80211_send_layer2_update(sta);
1381 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1384 struct ieee80211_sub_if_data *sdata;
1386 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1389 return sta_info_destroy_addr_bss(sdata, mac);
1391 sta_info_flush(sdata);
1395 static int ieee80211_change_station(struct wiphy *wiphy,
1396 struct net_device *dev,
1398 struct station_parameters *params)
1400 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1401 struct ieee80211_local *local = wiphy_priv(wiphy);
1402 struct sta_info *sta;
1403 struct ieee80211_sub_if_data *vlansdata;
1406 mutex_lock(&local->sta_mtx);
1408 sta = sta_info_get_bss(sdata, mac);
1410 mutex_unlock(&local->sta_mtx);
1414 /* in station mode, supported rates are only valid with TDLS */
1415 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1416 params->supported_rates &&
1417 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1418 mutex_unlock(&local->sta_mtx);
1422 if (params->vlan && params->vlan != sta->sdata->dev) {
1423 bool prev_4addr = false;
1424 bool new_4addr = false;
1426 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1428 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1429 vlansdata->vif.type != NL80211_IFTYPE_AP) {
1430 mutex_unlock(&local->sta_mtx);
1434 if (params->vlan->ieee80211_ptr->use_4addr) {
1435 if (vlansdata->u.vlan.sta) {
1436 mutex_unlock(&local->sta_mtx);
1440 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1444 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1445 sta->sdata->u.vlan.sta) {
1446 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1450 sta->sdata = vlansdata;
1452 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1453 prev_4addr != new_4addr) {
1455 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1457 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1460 ieee80211_send_layer2_update(sta);
1463 err = sta_apply_parameters(local, sta, params);
1465 mutex_unlock(&local->sta_mtx);
1469 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1470 rate_control_rate_init(sta);
1472 mutex_unlock(&local->sta_mtx);
1474 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1475 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1476 ieee80211_recalc_ps(local, -1);
1477 ieee80211_recalc_ps_vif(sdata);
1482 #ifdef CONFIG_MAC80211_MESH
1483 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1484 u8 *dst, u8 *next_hop)
1486 struct ieee80211_sub_if_data *sdata;
1487 struct mesh_path *mpath;
1488 struct sta_info *sta;
1491 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1494 sta = sta_info_get(sdata, next_hop);
1500 err = mesh_path_add(dst, sdata);
1506 mpath = mesh_path_lookup(dst, sdata);
1511 mesh_path_fix_nexthop(mpath, sta);
1517 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1520 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1523 return mesh_path_del(dst, sdata);
1525 mesh_path_flush_by_iface(sdata);
1529 static int ieee80211_change_mpath(struct wiphy *wiphy,
1530 struct net_device *dev,
1531 u8 *dst, u8 *next_hop)
1533 struct ieee80211_sub_if_data *sdata;
1534 struct mesh_path *mpath;
1535 struct sta_info *sta;
1537 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1541 sta = sta_info_get(sdata, next_hop);
1547 mpath = mesh_path_lookup(dst, sdata);
1553 mesh_path_fix_nexthop(mpath, sta);
1559 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1560 struct mpath_info *pinfo)
1562 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1565 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1567 memset(next_hop, 0, ETH_ALEN);
1569 memset(pinfo, 0, sizeof(*pinfo));
1571 pinfo->generation = mesh_paths_generation;
1573 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1576 MPATH_INFO_EXPTIME |
1577 MPATH_INFO_DISCOVERY_TIMEOUT |
1578 MPATH_INFO_DISCOVERY_RETRIES |
1581 pinfo->frame_qlen = mpath->frame_queue.qlen;
1582 pinfo->sn = mpath->sn;
1583 pinfo->metric = mpath->metric;
1584 if (time_before(jiffies, mpath->exp_time))
1585 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1586 pinfo->discovery_timeout =
1587 jiffies_to_msecs(mpath->discovery_timeout);
1588 pinfo->discovery_retries = mpath->discovery_retries;
1589 if (mpath->flags & MESH_PATH_ACTIVE)
1590 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1591 if (mpath->flags & MESH_PATH_RESOLVING)
1592 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1593 if (mpath->flags & MESH_PATH_SN_VALID)
1594 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1595 if (mpath->flags & MESH_PATH_FIXED)
1596 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1597 if (mpath->flags & MESH_PATH_RESOLVED)
1598 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1601 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1602 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1605 struct ieee80211_sub_if_data *sdata;
1606 struct mesh_path *mpath;
1608 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1611 mpath = mesh_path_lookup(dst, sdata);
1616 memcpy(dst, mpath->dst, ETH_ALEN);
1617 mpath_set_pinfo(mpath, next_hop, pinfo);
1622 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1623 int idx, u8 *dst, u8 *next_hop,
1624 struct mpath_info *pinfo)
1626 struct ieee80211_sub_if_data *sdata;
1627 struct mesh_path *mpath;
1629 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1632 mpath = mesh_path_lookup_by_idx(idx, sdata);
1637 memcpy(dst, mpath->dst, ETH_ALEN);
1638 mpath_set_pinfo(mpath, next_hop, pinfo);
1643 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1644 struct net_device *dev,
1645 struct mesh_config *conf)
1647 struct ieee80211_sub_if_data *sdata;
1648 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1650 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1654 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1656 return (mask >> (parm-1)) & 0x1;
1659 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1660 const struct mesh_setup *setup)
1664 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1665 struct ieee80211_sub_if_data, u.mesh);
1667 /* allocate information elements */
1671 if (setup->ie_len) {
1672 new_ie = kmemdup(setup->ie, setup->ie_len,
1677 ifmsh->ie_len = setup->ie_len;
1681 /* now copy the rest of the setup parameters */
1682 ifmsh->mesh_id_len = setup->mesh_id_len;
1683 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1684 ifmsh->mesh_sp_id = setup->sync_method;
1685 ifmsh->mesh_pp_id = setup->path_sel_proto;
1686 ifmsh->mesh_pm_id = setup->path_metric;
1687 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1688 if (setup->is_authenticated)
1689 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1690 if (setup->is_secure)
1691 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1693 /* mcast rate setting in Mesh Node */
1694 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1695 sizeof(setup->mcast_rate));
1697 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1698 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1703 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1704 struct net_device *dev, u32 mask,
1705 const struct mesh_config *nconf)
1707 struct mesh_config *conf;
1708 struct ieee80211_sub_if_data *sdata;
1709 struct ieee80211_if_mesh *ifmsh;
1711 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1712 ifmsh = &sdata->u.mesh;
1714 /* Set the config options which we are interested in setting */
1715 conf = &(sdata->u.mesh.mshcfg);
1716 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1717 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1718 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1719 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1720 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1721 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1722 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1723 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1724 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1725 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1726 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1727 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1728 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1729 conf->element_ttl = nconf->element_ttl;
1730 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1731 conf->auto_open_plinks = nconf->auto_open_plinks;
1732 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1733 conf->dot11MeshNbrOffsetMaxNeighbor =
1734 nconf->dot11MeshNbrOffsetMaxNeighbor;
1735 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1736 conf->dot11MeshHWMPmaxPREQretries =
1737 nconf->dot11MeshHWMPmaxPREQretries;
1738 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1739 conf->path_refresh_time = nconf->path_refresh_time;
1740 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1741 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1742 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1743 conf->dot11MeshHWMPactivePathTimeout =
1744 nconf->dot11MeshHWMPactivePathTimeout;
1745 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1746 conf->dot11MeshHWMPpreqMinInterval =
1747 nconf->dot11MeshHWMPpreqMinInterval;
1748 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1749 conf->dot11MeshHWMPperrMinInterval =
1750 nconf->dot11MeshHWMPperrMinInterval;
1751 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1753 conf->dot11MeshHWMPnetDiameterTraversalTime =
1754 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1755 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1756 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1757 ieee80211_mesh_root_setup(ifmsh);
1759 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1760 /* our current gate announcement implementation rides on root
1761 * announcements, so require this ifmsh to also be a root node
1763 if (nconf->dot11MeshGateAnnouncementProtocol &&
1764 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1765 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1766 ieee80211_mesh_root_setup(ifmsh);
1768 conf->dot11MeshGateAnnouncementProtocol =
1769 nconf->dot11MeshGateAnnouncementProtocol;
1771 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1772 conf->dot11MeshHWMPRannInterval =
1773 nconf->dot11MeshHWMPRannInterval;
1774 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1775 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1776 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1777 /* our RSSI threshold implementation is supported only for
1778 * devices that report signal in dBm.
1780 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1782 conf->rssi_threshold = nconf->rssi_threshold;
1784 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1785 conf->ht_opmode = nconf->ht_opmode;
1786 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1787 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1789 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1790 conf->dot11MeshHWMPactivePathToRootTimeout =
1791 nconf->dot11MeshHWMPactivePathToRootTimeout;
1792 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1793 conf->dot11MeshHWMProotInterval =
1794 nconf->dot11MeshHWMProotInterval;
1795 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1796 conf->dot11MeshHWMPconfirmationInterval =
1797 nconf->dot11MeshHWMPconfirmationInterval;
1798 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1799 conf->power_mode = nconf->power_mode;
1800 ieee80211_mps_local_status_update(sdata);
1802 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) {
1803 conf->dot11MeshAwakeWindowDuration =
1804 nconf->dot11MeshAwakeWindowDuration;
1805 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1810 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1811 const struct mesh_config *conf,
1812 const struct mesh_setup *setup)
1814 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1815 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1818 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1819 err = copy_mesh_setup(ifmsh, setup);
1823 /* can mesh use other SMPS modes? */
1824 sdata->smps_mode = IEEE80211_SMPS_OFF;
1825 sdata->needed_rx_chains = sdata->local->rx_chains;
1827 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1828 IEEE80211_CHANCTX_SHARED);
1832 ieee80211_start_mesh(sdata);
1837 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1839 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1841 ieee80211_stop_mesh(sdata);
1842 ieee80211_vif_release_channel(sdata);
1848 static int ieee80211_change_bss(struct wiphy *wiphy,
1849 struct net_device *dev,
1850 struct bss_parameters *params)
1852 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1853 enum ieee80211_band band;
1856 if (!rtnl_dereference(sdata->u.ap.beacon))
1859 band = ieee80211_get_sdata_band(sdata);
1861 if (params->use_cts_prot >= 0) {
1862 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1863 changed |= BSS_CHANGED_ERP_CTS_PROT;
1865 if (params->use_short_preamble >= 0) {
1866 sdata->vif.bss_conf.use_short_preamble =
1867 params->use_short_preamble;
1868 changed |= BSS_CHANGED_ERP_PREAMBLE;
1871 if (!sdata->vif.bss_conf.use_short_slot &&
1872 band == IEEE80211_BAND_5GHZ) {
1873 sdata->vif.bss_conf.use_short_slot = true;
1874 changed |= BSS_CHANGED_ERP_SLOT;
1877 if (params->use_short_slot_time >= 0) {
1878 sdata->vif.bss_conf.use_short_slot =
1879 params->use_short_slot_time;
1880 changed |= BSS_CHANGED_ERP_SLOT;
1883 if (params->basic_rates) {
1886 struct ieee80211_supported_band *sband = wiphy->bands[band];
1888 for (i = 0; i < params->basic_rates_len; i++) {
1889 int rate = (params->basic_rates[i] & 0x7f) * 5;
1890 for (j = 0; j < sband->n_bitrates; j++) {
1891 if (sband->bitrates[j].bitrate == rate)
1895 sdata->vif.bss_conf.basic_rates = rates;
1896 changed |= BSS_CHANGED_BASIC_RATES;
1899 if (params->ap_isolate >= 0) {
1900 if (params->ap_isolate)
1901 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1903 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1906 if (params->ht_opmode >= 0) {
1907 sdata->vif.bss_conf.ht_operation_mode =
1908 (u16) params->ht_opmode;
1909 changed |= BSS_CHANGED_HT;
1912 if (params->p2p_ctwindow >= 0) {
1913 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
1914 changed |= BSS_CHANGED_P2P_PS;
1917 if (params->p2p_opp_ps >= 0) {
1918 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
1919 changed |= BSS_CHANGED_P2P_PS;
1922 ieee80211_bss_info_change_notify(sdata, changed);
1927 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1928 struct net_device *dev,
1929 struct ieee80211_txq_params *params)
1931 struct ieee80211_local *local = wiphy_priv(wiphy);
1932 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1933 struct ieee80211_tx_queue_params p;
1935 if (!local->ops->conf_tx)
1938 if (local->hw.queues < IEEE80211_NUM_ACS)
1941 memset(&p, 0, sizeof(p));
1942 p.aifs = params->aifs;
1943 p.cw_max = params->cwmax;
1944 p.cw_min = params->cwmin;
1945 p.txop = params->txop;
1948 * Setting tx queue params disables u-apsd because it's only
1949 * called in master mode.
1953 sdata->tx_conf[params->ac] = p;
1954 if (drv_conf_tx(local, sdata, params->ac, &p)) {
1955 wiphy_debug(local->hw.wiphy,
1956 "failed to set TX queue parameters for AC %d\n",
1961 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1967 static int ieee80211_suspend(struct wiphy *wiphy,
1968 struct cfg80211_wowlan *wowlan)
1970 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
1973 static int ieee80211_resume(struct wiphy *wiphy)
1975 return __ieee80211_resume(wiphy_priv(wiphy));
1978 #define ieee80211_suspend NULL
1979 #define ieee80211_resume NULL
1982 static int ieee80211_scan(struct wiphy *wiphy,
1983 struct cfg80211_scan_request *req)
1985 struct ieee80211_sub_if_data *sdata;
1987 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
1989 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1990 case NL80211_IFTYPE_STATION:
1991 case NL80211_IFTYPE_ADHOC:
1992 case NL80211_IFTYPE_MESH_POINT:
1993 case NL80211_IFTYPE_P2P_CLIENT:
1994 case NL80211_IFTYPE_P2P_DEVICE:
1996 case NL80211_IFTYPE_P2P_GO:
1997 if (sdata->local->ops->hw_scan)
2000 * FIXME: implement NoA while scanning in software,
2001 * for now fall through to allow scanning only when
2002 * beaconing hasn't been configured yet
2004 case NL80211_IFTYPE_AP:
2006 * If the scan has been forced (and the driver supports
2007 * forcing), don't care about being beaconing already.
2008 * This will create problems to the attached stations (e.g. all
2009 * the frames sent while scanning on other channel will be
2012 if (sdata->u.ap.beacon &&
2013 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2014 !(req->flags & NL80211_SCAN_FLAG_AP)))
2021 return ieee80211_request_scan(sdata, req);
2025 ieee80211_sched_scan_start(struct wiphy *wiphy,
2026 struct net_device *dev,
2027 struct cfg80211_sched_scan_request *req)
2029 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2031 if (!sdata->local->ops->sched_scan_start)
2034 return ieee80211_request_sched_scan_start(sdata, req);
2038 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2040 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2042 if (!sdata->local->ops->sched_scan_stop)
2045 return ieee80211_request_sched_scan_stop(sdata);
2048 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2049 struct cfg80211_auth_request *req)
2051 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2054 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2055 struct cfg80211_assoc_request *req)
2057 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2060 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2061 struct cfg80211_deauth_request *req)
2063 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2066 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2067 struct cfg80211_disassoc_request *req)
2069 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2072 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2073 struct cfg80211_ibss_params *params)
2075 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2078 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2080 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2083 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2084 int rate[IEEE80211_NUM_BANDS])
2086 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2088 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2089 sizeof(int) * IEEE80211_NUM_BANDS);
2094 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2096 struct ieee80211_local *local = wiphy_priv(wiphy);
2099 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2100 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2106 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2107 err = drv_set_coverage_class(local, wiphy->coverage_class);
2113 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2114 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2120 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2121 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2123 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2125 if (changed & WIPHY_PARAM_RETRY_LONG) {
2126 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2128 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2131 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2132 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2137 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2138 struct wireless_dev *wdev,
2139 enum nl80211_tx_power_setting type, int mbm)
2141 struct ieee80211_local *local = wiphy_priv(wiphy);
2142 struct ieee80211_sub_if_data *sdata;
2145 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2148 case NL80211_TX_POWER_AUTOMATIC:
2149 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2151 case NL80211_TX_POWER_LIMITED:
2152 case NL80211_TX_POWER_FIXED:
2153 if (mbm < 0 || (mbm % 100))
2155 sdata->user_power_level = MBM_TO_DBM(mbm);
2159 ieee80211_recalc_txpower(sdata);
2165 case NL80211_TX_POWER_AUTOMATIC:
2166 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2168 case NL80211_TX_POWER_LIMITED:
2169 case NL80211_TX_POWER_FIXED:
2170 if (mbm < 0 || (mbm % 100))
2172 local->user_power_level = MBM_TO_DBM(mbm);
2176 mutex_lock(&local->iflist_mtx);
2177 list_for_each_entry(sdata, &local->interfaces, list)
2178 sdata->user_power_level = local->user_power_level;
2179 list_for_each_entry(sdata, &local->interfaces, list)
2180 ieee80211_recalc_txpower(sdata);
2181 mutex_unlock(&local->iflist_mtx);
2186 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2187 struct wireless_dev *wdev,
2190 struct ieee80211_local *local = wiphy_priv(wiphy);
2191 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2193 if (!local->use_chanctx)
2194 *dbm = local->hw.conf.power_level;
2196 *dbm = sdata->vif.bss_conf.txpower;
2201 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2204 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2206 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2211 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2213 struct ieee80211_local *local = wiphy_priv(wiphy);
2215 drv_rfkill_poll(local);
2218 #ifdef CONFIG_NL80211_TESTMODE
2219 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
2221 struct ieee80211_local *local = wiphy_priv(wiphy);
2223 if (!local->ops->testmode_cmd)
2226 return local->ops->testmode_cmd(&local->hw, data, len);
2229 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2230 struct sk_buff *skb,
2231 struct netlink_callback *cb,
2232 void *data, int len)
2234 struct ieee80211_local *local = wiphy_priv(wiphy);
2236 if (!local->ops->testmode_dump)
2239 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2243 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2244 enum ieee80211_smps_mode smps_mode)
2247 enum ieee80211_smps_mode old_req;
2250 lockdep_assert_held(&sdata->u.mgd.mtx);
2252 old_req = sdata->u.mgd.req_smps;
2253 sdata->u.mgd.req_smps = smps_mode;
2255 if (old_req == smps_mode &&
2256 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2260 * If not associated, or current association is not an HT
2261 * association, there's no need to do anything, just store
2262 * the new value until we associate.
2264 if (!sdata->u.mgd.associated ||
2265 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2268 ap = sdata->u.mgd.associated->bssid;
2270 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2271 if (sdata->u.mgd.powersave)
2272 smps_mode = IEEE80211_SMPS_DYNAMIC;
2274 smps_mode = IEEE80211_SMPS_OFF;
2277 /* send SM PS frame to AP */
2278 err = ieee80211_send_smps_action(sdata, smps_mode,
2281 sdata->u.mgd.req_smps = old_req;
2286 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2287 bool enabled, int timeout)
2289 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2290 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2292 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2293 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
2296 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2299 if (enabled == sdata->u.mgd.powersave &&
2300 timeout == local->dynamic_ps_forced_timeout)
2303 sdata->u.mgd.powersave = enabled;
2304 local->dynamic_ps_forced_timeout = timeout;
2306 /* no change, but if automatic follow powersave */
2307 mutex_lock(&sdata->u.mgd.mtx);
2308 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2309 mutex_unlock(&sdata->u.mgd.mtx);
2311 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2312 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2314 ieee80211_recalc_ps(local, -1);
2315 ieee80211_recalc_ps_vif(sdata);
2320 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2321 struct net_device *dev,
2322 s32 rssi_thold, u32 rssi_hyst)
2324 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2325 struct ieee80211_vif *vif = &sdata->vif;
2326 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2328 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2329 rssi_hyst == bss_conf->cqm_rssi_hyst)
2332 bss_conf->cqm_rssi_thold = rssi_thold;
2333 bss_conf->cqm_rssi_hyst = rssi_hyst;
2335 /* tell the driver upon association, unless already associated */
2336 if (sdata->u.mgd.associated &&
2337 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2338 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2343 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2344 struct net_device *dev,
2346 const struct cfg80211_bitrate_mask *mask)
2348 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2349 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2352 if (!ieee80211_sdata_running(sdata))
2355 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2356 ret = drv_set_bitrate_mask(local, sdata, mask);
2361 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2362 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2363 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2364 sizeof(mask->control[i].mcs));
2370 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2371 struct ieee80211_sub_if_data *sdata,
2372 struct ieee80211_channel *channel,
2373 unsigned int duration, u64 *cookie,
2374 struct sk_buff *txskb)
2376 struct ieee80211_roc_work *roc, *tmp;
2377 bool queued = false;
2380 lockdep_assert_held(&local->mtx);
2382 if (local->use_chanctx && !local->ops->remain_on_channel)
2385 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2389 roc->chan = channel;
2390 roc->duration = duration;
2391 roc->req_duration = duration;
2393 roc->mgmt_tx_cookie = (unsigned long)txskb;
2395 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2396 INIT_LIST_HEAD(&roc->dependents);
2398 /* if there's one pending or we're scanning, queue this one */
2399 if (!list_empty(&local->roc_list) || local->scanning)
2400 goto out_check_combine;
2402 /* if not HW assist, just queue & schedule work */
2403 if (!local->ops->remain_on_channel) {
2404 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2408 /* otherwise actually kick it off here (for error handling) */
2411 * If the duration is zero, then the driver
2412 * wouldn't actually do anything. Set it to
2415 * TODO: cancel the off-channel operation
2416 * when we get the SKB's TX status and
2417 * the wait time was zero before.
2422 ret = drv_remain_on_channel(local, sdata, channel, duration);
2428 roc->started = true;
2432 list_for_each_entry(tmp, &local->roc_list, list) {
2433 if (tmp->chan != channel || tmp->sdata != sdata)
2437 * Extend this ROC if possible:
2439 * If it hasn't started yet, just increase the duration
2440 * and add the new one to the list of dependents.
2442 if (!tmp->started) {
2443 list_add_tail(&roc->list, &tmp->dependents);
2444 tmp->duration = max(tmp->duration, roc->duration);
2449 /* If it has already started, it's more difficult ... */
2450 if (local->ops->remain_on_channel) {
2451 unsigned long j = jiffies;
2454 * In the offloaded ROC case, if it hasn't begun, add
2455 * this new one to the dependent list to be handled
2456 * when the the master one begins. If it has begun,
2457 * check that there's still a minimum time left and
2458 * if so, start this one, transmitting the frame, but
2459 * add it to the list directly after this one with a
2460 * a reduced time so we'll ask the driver to execute
2461 * it right after finishing the previous one, in the
2462 * hope that it'll also be executed right afterwards,
2463 * effectively extending the old one.
2464 * If there's no minimum time left, just add it to the
2467 if (!tmp->hw_begun) {
2468 list_add_tail(&roc->list, &tmp->dependents);
2473 if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2474 tmp->hw_start_time +
2475 msecs_to_jiffies(tmp->duration))) {
2478 ieee80211_handle_roc_started(roc);
2480 new_dur = roc->duration -
2481 jiffies_to_msecs(tmp->hw_start_time +
2487 /* add right after tmp */
2488 list_add(&roc->list, &tmp->list);
2490 list_add_tail(&roc->list,
2495 } else if (del_timer_sync(&tmp->work.timer)) {
2496 unsigned long new_end;
2499 * In the software ROC case, cancel the timer, if
2500 * that fails then the finish work is already
2501 * queued/pending and thus we queue the new ROC
2502 * normally, if that succeeds then we can extend
2503 * the timer duration and TX the frame (if any.)
2506 list_add_tail(&roc->list, &tmp->dependents);
2509 new_end = jiffies + msecs_to_jiffies(roc->duration);
2511 /* ok, it was started & we canceled timer */
2512 if (time_after(new_end, tmp->work.timer.expires))
2513 mod_timer(&tmp->work.timer, new_end);
2515 add_timer(&tmp->work.timer);
2517 ieee80211_handle_roc_started(roc);
2524 list_add_tail(&roc->list, &local->roc_list);
2527 * cookie is either the roc cookie (for normal roc)
2528 * or the SKB (for mgmt TX)
2531 /* local->mtx protects this */
2532 local->roc_cookie_counter++;
2533 roc->cookie = local->roc_cookie_counter;
2534 /* wow, you wrapped 64 bits ... more likely a bug */
2535 if (WARN_ON(roc->cookie == 0)) {
2537 local->roc_cookie_counter++;
2539 *cookie = roc->cookie;
2541 *cookie = (unsigned long)txskb;
2547 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2548 struct wireless_dev *wdev,
2549 struct ieee80211_channel *chan,
2550 unsigned int duration,
2553 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2554 struct ieee80211_local *local = sdata->local;
2557 mutex_lock(&local->mtx);
2558 ret = ieee80211_start_roc_work(local, sdata, chan,
2559 duration, cookie, NULL);
2560 mutex_unlock(&local->mtx);
2565 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2566 u64 cookie, bool mgmt_tx)
2568 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2571 mutex_lock(&local->mtx);
2572 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2573 struct ieee80211_roc_work *dep, *tmp2;
2575 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2576 if (!mgmt_tx && dep->cookie != cookie)
2578 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2580 /* found dependent item -- just remove it */
2581 list_del(&dep->list);
2582 mutex_unlock(&local->mtx);
2584 ieee80211_roc_notify_destroy(dep);
2588 if (!mgmt_tx && roc->cookie != cookie)
2590 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2598 mutex_unlock(&local->mtx);
2603 * We found the item to cancel, so do that. Note that it
2604 * may have dependents, which we also cancel (and send
2605 * the expired signal for.) Not doing so would be quite
2606 * tricky here, but we may need to fix it later.
2609 if (local->ops->remain_on_channel) {
2610 if (found->started) {
2611 ret = drv_cancel_remain_on_channel(local);
2612 if (WARN_ON_ONCE(ret)) {
2613 mutex_unlock(&local->mtx);
2618 list_del(&found->list);
2621 ieee80211_start_next_roc(local);
2622 mutex_unlock(&local->mtx);
2624 ieee80211_roc_notify_destroy(found);
2626 /* work may be pending so use it all the time */
2627 found->abort = true;
2628 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2630 mutex_unlock(&local->mtx);
2632 /* work will clean up etc */
2633 flush_delayed_work(&found->work);
2639 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2640 struct wireless_dev *wdev,
2643 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2644 struct ieee80211_local *local = sdata->local;
2646 return ieee80211_cancel_roc(local, cookie, false);
2649 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
2650 struct ieee80211_channel *chan, bool offchan,
2651 unsigned int wait, const u8 *buf, size_t len,
2652 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
2654 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2655 struct ieee80211_local *local = sdata->local;
2656 struct sk_buff *skb;
2657 struct sta_info *sta;
2658 const struct ieee80211_mgmt *mgmt = (void *)buf;
2659 bool need_offchan = false;
2663 if (dont_wait_for_ack)
2664 flags = IEEE80211_TX_CTL_NO_ACK;
2666 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2667 IEEE80211_TX_CTL_REQ_TX_STATUS;
2670 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2672 switch (sdata->vif.type) {
2673 case NL80211_IFTYPE_ADHOC:
2674 if (!sdata->vif.bss_conf.ibss_joined)
2675 need_offchan = true;
2677 #ifdef CONFIG_MAC80211_MESH
2678 case NL80211_IFTYPE_MESH_POINT:
2679 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2680 !sdata->u.mesh.mesh_id_len)
2681 need_offchan = true;
2684 case NL80211_IFTYPE_AP:
2685 case NL80211_IFTYPE_AP_VLAN:
2686 case NL80211_IFTYPE_P2P_GO:
2687 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2688 !ieee80211_vif_is_mesh(&sdata->vif) &&
2689 !rcu_access_pointer(sdata->bss->beacon))
2690 need_offchan = true;
2691 if (!ieee80211_is_action(mgmt->frame_control) ||
2692 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
2695 sta = sta_info_get(sdata, mgmt->da);
2700 case NL80211_IFTYPE_STATION:
2701 case NL80211_IFTYPE_P2P_CLIENT:
2702 if (!sdata->u.mgd.associated)
2703 need_offchan = true;
2705 case NL80211_IFTYPE_P2P_DEVICE:
2706 need_offchan = true;
2712 mutex_lock(&local->mtx);
2714 /* Check if the operating channel is the requested channel */
2715 if (!need_offchan) {
2716 struct ieee80211_chanctx_conf *chanctx_conf;
2719 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2722 need_offchan = chan != chanctx_conf->def.chan;
2724 need_offchan = true;
2728 if (need_offchan && !offchan) {
2733 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2738 skb_reserve(skb, local->hw.extra_tx_headroom);
2740 memcpy(skb_put(skb, len), buf, len);
2742 IEEE80211_SKB_CB(skb)->flags = flags;
2744 skb->dev = sdata->dev;
2746 if (!need_offchan) {
2747 *cookie = (unsigned long) skb;
2748 ieee80211_tx_skb(sdata, skb);
2753 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
2754 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2755 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2756 IEEE80211_SKB_CB(skb)->hw_queue =
2757 local->hw.offchannel_tx_hw_queue;
2759 /* This will handle all kinds of coalescing and immediate TX */
2760 ret = ieee80211_start_roc_work(local, sdata, chan,
2765 mutex_unlock(&local->mtx);
2769 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2770 struct wireless_dev *wdev,
2773 struct ieee80211_local *local = wiphy_priv(wiphy);
2775 return ieee80211_cancel_roc(local, cookie, true);
2778 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2779 struct wireless_dev *wdev,
2780 u16 frame_type, bool reg)
2782 struct ieee80211_local *local = wiphy_priv(wiphy);
2783 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2785 switch (frame_type) {
2786 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2787 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2788 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
2791 ifibss->auth_frame_registrations++;
2793 ifibss->auth_frame_registrations--;
2796 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2798 local->probe_req_reg++;
2800 local->probe_req_reg--;
2802 if (!local->open_count)
2805 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2812 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2814 struct ieee80211_local *local = wiphy_priv(wiphy);
2819 return drv_set_antenna(local, tx_ant, rx_ant);
2822 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2824 struct ieee80211_local *local = wiphy_priv(wiphy);
2826 return drv_get_antenna(local, tx_ant, rx_ant);
2829 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2831 struct ieee80211_local *local = wiphy_priv(wiphy);
2833 return drv_set_ringparam(local, tx, rx);
2836 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2837 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2839 struct ieee80211_local *local = wiphy_priv(wiphy);
2841 drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2844 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2845 struct net_device *dev,
2846 struct cfg80211_gtk_rekey_data *data)
2848 struct ieee80211_local *local = wiphy_priv(wiphy);
2849 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2851 if (!local->ops->set_rekey_data)
2854 drv_set_rekey_data(local, sdata, data);
2859 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2861 u8 *pos = (void *)skb_put(skb, 7);
2863 *pos++ = WLAN_EID_EXT_CAPABILITY;
2864 *pos++ = 5; /* len */
2869 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2872 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2874 struct ieee80211_local *local = sdata->local;
2878 if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
2881 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2882 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2883 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2884 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2889 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2890 u8 *peer, u8 *bssid)
2892 struct ieee80211_tdls_lnkie *lnkid;
2894 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2896 lnkid->ie_type = WLAN_EID_LINK_ID;
2897 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2899 memcpy(lnkid->bssid, bssid, ETH_ALEN);
2900 memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2901 memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2905 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2906 u8 *peer, u8 action_code, u8 dialog_token,
2907 u16 status_code, struct sk_buff *skb)
2909 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2910 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
2911 struct ieee80211_tdls_data *tf;
2913 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2915 memcpy(tf->da, peer, ETH_ALEN);
2916 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2917 tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2918 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2920 switch (action_code) {
2921 case WLAN_TDLS_SETUP_REQUEST:
2922 tf->category = WLAN_CATEGORY_TDLS;
2923 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2925 skb_put(skb, sizeof(tf->u.setup_req));
2926 tf->u.setup_req.dialog_token = dialog_token;
2927 tf->u.setup_req.capability =
2928 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2930 ieee80211_add_srates_ie(sdata, skb, false, band);
2931 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
2932 ieee80211_tdls_add_ext_capab(skb);
2934 case WLAN_TDLS_SETUP_RESPONSE:
2935 tf->category = WLAN_CATEGORY_TDLS;
2936 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2938 skb_put(skb, sizeof(tf->u.setup_resp));
2939 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2940 tf->u.setup_resp.dialog_token = dialog_token;
2941 tf->u.setup_resp.capability =
2942 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2944 ieee80211_add_srates_ie(sdata, skb, false, band);
2945 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
2946 ieee80211_tdls_add_ext_capab(skb);
2948 case WLAN_TDLS_SETUP_CONFIRM:
2949 tf->category = WLAN_CATEGORY_TDLS;
2950 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2952 skb_put(skb, sizeof(tf->u.setup_cfm));
2953 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2954 tf->u.setup_cfm.dialog_token = dialog_token;
2956 case WLAN_TDLS_TEARDOWN:
2957 tf->category = WLAN_CATEGORY_TDLS;
2958 tf->action_code = WLAN_TDLS_TEARDOWN;
2960 skb_put(skb, sizeof(tf->u.teardown));
2961 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2963 case WLAN_TDLS_DISCOVERY_REQUEST:
2964 tf->category = WLAN_CATEGORY_TDLS;
2965 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2967 skb_put(skb, sizeof(tf->u.discover_req));
2968 tf->u.discover_req.dialog_token = dialog_token;
2978 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2979 u8 *peer, u8 action_code, u8 dialog_token,
2980 u16 status_code, struct sk_buff *skb)
2982 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2983 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
2984 struct ieee80211_mgmt *mgmt;
2986 mgmt = (void *)skb_put(skb, 24);
2987 memset(mgmt, 0, 24);
2988 memcpy(mgmt->da, peer, ETH_ALEN);
2989 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2990 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2992 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2993 IEEE80211_STYPE_ACTION);
2995 switch (action_code) {
2996 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2997 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2998 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2999 mgmt->u.action.u.tdls_discover_resp.action_code =
3000 WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3001 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3003 mgmt->u.action.u.tdls_discover_resp.capability =
3004 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3006 ieee80211_add_srates_ie(sdata, skb, false, band);
3007 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3008 ieee80211_tdls_add_ext_capab(skb);
3017 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3018 u8 *peer, u8 action_code, u8 dialog_token,
3019 u16 status_code, const u8 *extra_ies,
3020 size_t extra_ies_len)
3022 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3023 struct ieee80211_local *local = sdata->local;
3024 struct sk_buff *skb = NULL;
3028 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3031 /* make sure we are in managed mode, and associated */
3032 if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3033 !sdata->u.mgd.associated)
3036 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3039 skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3040 max(sizeof(struct ieee80211_mgmt),
3041 sizeof(struct ieee80211_tdls_data)) +
3042 50 + /* supported rates */
3045 sizeof(struct ieee80211_tdls_lnkie));
3049 skb_reserve(skb, local->hw.extra_tx_headroom);
3051 switch (action_code) {
3052 case WLAN_TDLS_SETUP_REQUEST:
3053 case WLAN_TDLS_SETUP_RESPONSE:
3054 case WLAN_TDLS_SETUP_CONFIRM:
3055 case WLAN_TDLS_TEARDOWN:
3056 case WLAN_TDLS_DISCOVERY_REQUEST:
3057 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3058 action_code, dialog_token,
3060 send_direct = false;
3062 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3063 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3064 dialog_token, status_code,
3077 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3079 /* the TDLS link IE is always added last */
3080 switch (action_code) {
3081 case WLAN_TDLS_SETUP_REQUEST:
3082 case WLAN_TDLS_SETUP_CONFIRM:
3083 case WLAN_TDLS_TEARDOWN:
3084 case WLAN_TDLS_DISCOVERY_REQUEST:
3085 /* we are the initiator */
3086 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3087 sdata->u.mgd.bssid);
3089 case WLAN_TDLS_SETUP_RESPONSE:
3090 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3091 /* we are the responder */
3092 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3093 sdata->u.mgd.bssid);
3101 ieee80211_tx_skb(sdata, skb);
3106 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3107 * we should default to AC_VI.
3109 switch (action_code) {
3110 case WLAN_TDLS_SETUP_REQUEST:
3111 case WLAN_TDLS_SETUP_RESPONSE:
3112 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3116 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3121 /* disable bottom halves when entering the Tx path */
3123 ret = ieee80211_subif_start_xmit(skb, dev);
3133 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3134 u8 *peer, enum nl80211_tdls_operation oper)
3136 struct sta_info *sta;
3137 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3139 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3142 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3145 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
3148 case NL80211_TDLS_ENABLE_LINK:
3150 sta = sta_info_get(sdata, peer);
3156 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
3159 case NL80211_TDLS_DISABLE_LINK:
3160 return sta_info_destroy_addr(sdata, peer);
3161 case NL80211_TDLS_TEARDOWN:
3162 case NL80211_TDLS_SETUP:
3163 case NL80211_TDLS_DISCOVERY_REQ:
3164 /* We don't support in-driver setup/teardown/discovery */
3173 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3174 const u8 *peer, u64 *cookie)
3176 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3177 struct ieee80211_local *local = sdata->local;
3178 struct ieee80211_qos_hdr *nullfunc;
3179 struct sk_buff *skb;
3180 int size = sizeof(*nullfunc);
3183 struct ieee80211_tx_info *info;
3184 struct sta_info *sta;
3185 struct ieee80211_chanctx_conf *chanctx_conf;
3186 enum ieee80211_band band;
3189 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3190 if (WARN_ON(!chanctx_conf)) {
3194 band = chanctx_conf->def.chan->band;
3195 sta = sta_info_get(sdata, peer);
3197 qos = test_sta_flag(sta, WLAN_STA_WME);
3204 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3205 IEEE80211_STYPE_QOS_NULLFUNC |
3206 IEEE80211_FCTL_FROMDS);
3209 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3210 IEEE80211_STYPE_NULLFUNC |
3211 IEEE80211_FCTL_FROMDS);
3214 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3222 skb_reserve(skb, local->hw.extra_tx_headroom);
3224 nullfunc = (void *) skb_put(skb, size);
3225 nullfunc->frame_control = fc;
3226 nullfunc->duration_id = 0;
3227 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3228 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3229 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3230 nullfunc->seq_ctrl = 0;
3232 info = IEEE80211_SKB_CB(skb);
3234 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3235 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3237 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3240 nullfunc->qos_ctrl = cpu_to_le16(7);
3243 ieee80211_xmit(sdata, skb, band);
3247 *cookie = (unsigned long) skb;
3251 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3252 struct wireless_dev *wdev,
3253 struct cfg80211_chan_def *chandef)
3255 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3256 struct ieee80211_chanctx_conf *chanctx_conf;
3260 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3262 *chandef = chanctx_conf->def;
3271 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3273 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3277 struct cfg80211_ops mac80211_config_ops = {
3278 .add_virtual_intf = ieee80211_add_iface,
3279 .del_virtual_intf = ieee80211_del_iface,
3280 .change_virtual_intf = ieee80211_change_iface,
3281 .start_p2p_device = ieee80211_start_p2p_device,
3282 .stop_p2p_device = ieee80211_stop_p2p_device,
3283 .add_key = ieee80211_add_key,
3284 .del_key = ieee80211_del_key,
3285 .get_key = ieee80211_get_key,
3286 .set_default_key = ieee80211_config_default_key,
3287 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3288 .start_ap = ieee80211_start_ap,
3289 .change_beacon = ieee80211_change_beacon,
3290 .stop_ap = ieee80211_stop_ap,
3291 .add_station = ieee80211_add_station,
3292 .del_station = ieee80211_del_station,
3293 .change_station = ieee80211_change_station,
3294 .get_station = ieee80211_get_station,
3295 .dump_station = ieee80211_dump_station,
3296 .dump_survey = ieee80211_dump_survey,
3297 #ifdef CONFIG_MAC80211_MESH
3298 .add_mpath = ieee80211_add_mpath,
3299 .del_mpath = ieee80211_del_mpath,
3300 .change_mpath = ieee80211_change_mpath,
3301 .get_mpath = ieee80211_get_mpath,
3302 .dump_mpath = ieee80211_dump_mpath,
3303 .update_mesh_config = ieee80211_update_mesh_config,
3304 .get_mesh_config = ieee80211_get_mesh_config,
3305 .join_mesh = ieee80211_join_mesh,
3306 .leave_mesh = ieee80211_leave_mesh,
3308 .change_bss = ieee80211_change_bss,
3309 .set_txq_params = ieee80211_set_txq_params,
3310 .set_monitor_channel = ieee80211_set_monitor_channel,
3311 .suspend = ieee80211_suspend,
3312 .resume = ieee80211_resume,
3313 .scan = ieee80211_scan,
3314 .sched_scan_start = ieee80211_sched_scan_start,
3315 .sched_scan_stop = ieee80211_sched_scan_stop,
3316 .auth = ieee80211_auth,
3317 .assoc = ieee80211_assoc,
3318 .deauth = ieee80211_deauth,
3319 .disassoc = ieee80211_disassoc,
3320 .join_ibss = ieee80211_join_ibss,
3321 .leave_ibss = ieee80211_leave_ibss,
3322 .set_mcast_rate = ieee80211_set_mcast_rate,
3323 .set_wiphy_params = ieee80211_set_wiphy_params,
3324 .set_tx_power = ieee80211_set_tx_power,
3325 .get_tx_power = ieee80211_get_tx_power,
3326 .set_wds_peer = ieee80211_set_wds_peer,
3327 .rfkill_poll = ieee80211_rfkill_poll,
3328 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3329 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3330 .set_power_mgmt = ieee80211_set_power_mgmt,
3331 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3332 .remain_on_channel = ieee80211_remain_on_channel,
3333 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3334 .mgmt_tx = ieee80211_mgmt_tx,
3335 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3336 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3337 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3338 .set_antenna = ieee80211_set_antenna,
3339 .get_antenna = ieee80211_get_antenna,
3340 .set_ringparam = ieee80211_set_ringparam,
3341 .get_ringparam = ieee80211_get_ringparam,
3342 .set_rekey_data = ieee80211_set_rekey_data,
3343 .tdls_oper = ieee80211_tdls_oper,
3344 .tdls_mgmt = ieee80211_tdls_mgmt,
3345 .probe_client = ieee80211_probe_client,
3346 .set_noack_map = ieee80211_set_noack_map,
3348 .set_wakeup = ieee80211_set_wakeup,
3350 .get_et_sset_count = ieee80211_get_et_sset_count,
3351 .get_et_stats = ieee80211_get_et_stats,
3352 .get_et_strings = ieee80211_get_et_strings,
3353 .get_channel = ieee80211_cfg_get_channel,