1 // SPDX-License-Identifier: GPL-2.0-only
3 * mac80211 configuration hooks for cfg80211
5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright 2013-2015 Intel Mobile Communications GmbH
7 * Copyright (C) 2015-2017 Intel Deutschland GmbH
8 * Copyright (C) 2018-2020 Intel Corporation
11 #include <linux/ieee80211.h>
12 #include <linux/nl80211.h>
13 #include <linux/rtnetlink.h>
14 #include <linux/slab.h>
15 #include <net/net_namespace.h>
16 #include <linux/rcupdate.h>
17 #include <linux/fips.h>
18 #include <linux/if_ether.h>
19 #include <net/cfg80211.h>
20 #include "ieee80211_i.h"
21 #include "driver-ops.h"
26 static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
27 struct vif_params *params)
29 bool mu_mimo_groups = false;
30 bool mu_mimo_follow = false;
32 if (params->vht_mumimo_groups) {
35 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
37 memcpy(sdata->vif.bss_conf.mu_group.membership,
38 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
39 memcpy(sdata->vif.bss_conf.mu_group.position,
40 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
41 WLAN_USER_POSITION_LEN);
42 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
43 /* don't care about endianness - just check for 0 */
44 memcpy(&membership, params->vht_mumimo_groups,
46 mu_mimo_groups = membership != 0;
49 if (params->vht_mumimo_follow_addr) {
51 is_valid_ether_addr(params->vht_mumimo_follow_addr);
52 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
53 params->vht_mumimo_follow_addr);
56 sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
59 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
60 struct vif_params *params)
62 struct ieee80211_local *local = sdata->local;
63 struct ieee80211_sub_if_data *monitor_sdata;
65 /* check flags first */
66 if (params->flags && ieee80211_sdata_running(sdata)) {
67 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
70 * Prohibit MONITOR_FLAG_COOK_FRAMES and
71 * MONITOR_FLAG_ACTIVE to be changed while the
73 * Else we would need to add a lot of cruft
74 * to update everything:
75 * cooked_mntrs, monitor and all fif_* counters
76 * reconfigure hardware
78 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
82 /* also validate MU-MIMO change */
83 monitor_sdata = rtnl_dereference(local->monitor_sdata);
86 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
89 /* apply all changes now - no failures allowed */
92 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
95 if (ieee80211_sdata_running(sdata)) {
96 ieee80211_adjust_monitor_flags(sdata, -1);
97 sdata->u.mntr.flags = params->flags;
98 ieee80211_adjust_monitor_flags(sdata, 1);
100 ieee80211_configure_filter(local);
103 * Because the interface is down, ieee80211_do_stop
104 * and ieee80211_do_open take care of "everything"
105 * mentioned in the comment above.
107 sdata->u.mntr.flags = params->flags;
114 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
116 unsigned char name_assign_type,
117 enum nl80211_iftype type,
118 struct vif_params *params)
120 struct ieee80211_local *local = wiphy_priv(wiphy);
121 struct wireless_dev *wdev;
122 struct ieee80211_sub_if_data *sdata;
125 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
129 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
131 if (type == NL80211_IFTYPE_MONITOR) {
132 err = ieee80211_set_mon_options(sdata, params);
134 ieee80211_if_remove(sdata);
142 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
144 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
149 static int ieee80211_change_iface(struct wiphy *wiphy,
150 struct net_device *dev,
151 enum nl80211_iftype type,
152 struct vif_params *params)
154 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
155 struct ieee80211_local *local = sdata->local;
156 struct sta_info *sta;
159 ret = ieee80211_if_change_type(sdata, type);
163 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
164 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
165 ieee80211_check_fast_rx_iface(sdata);
166 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
167 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
169 if (params->use_4addr == ifmgd->use_4addr)
172 sdata->u.mgd.use_4addr = params->use_4addr;
173 if (!ifmgd->associated)
176 mutex_lock(&local->sta_mtx);
177 sta = sta_info_get(sdata, ifmgd->bssid);
179 drv_sta_set_4addr(local, sdata, &sta->sta,
181 mutex_unlock(&local->sta_mtx);
183 if (params->use_4addr)
184 ieee80211_send_4addr_nullfunc(local, sdata);
187 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
188 ret = ieee80211_set_mon_options(sdata, params);
196 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
197 struct wireless_dev *wdev)
199 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
202 mutex_lock(&sdata->local->chanctx_mtx);
203 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
204 mutex_unlock(&sdata->local->chanctx_mtx);
208 return ieee80211_do_open(wdev, true);
211 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
212 struct wireless_dev *wdev)
214 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
217 static int ieee80211_start_nan(struct wiphy *wiphy,
218 struct wireless_dev *wdev,
219 struct cfg80211_nan_conf *conf)
221 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
224 mutex_lock(&sdata->local->chanctx_mtx);
225 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
226 mutex_unlock(&sdata->local->chanctx_mtx);
230 ret = ieee80211_do_open(wdev, true);
234 ret = drv_start_nan(sdata->local, sdata, conf);
236 ieee80211_sdata_stop(sdata);
238 sdata->u.nan.conf = *conf;
243 static void ieee80211_stop_nan(struct wiphy *wiphy,
244 struct wireless_dev *wdev)
246 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
248 drv_stop_nan(sdata->local, sdata);
249 ieee80211_sdata_stop(sdata);
252 static int ieee80211_nan_change_conf(struct wiphy *wiphy,
253 struct wireless_dev *wdev,
254 struct cfg80211_nan_conf *conf,
257 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
258 struct cfg80211_nan_conf new_conf;
261 if (sdata->vif.type != NL80211_IFTYPE_NAN)
264 if (!ieee80211_sdata_running(sdata))
267 new_conf = sdata->u.nan.conf;
269 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
270 new_conf.master_pref = conf->master_pref;
272 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
273 new_conf.bands = conf->bands;
275 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
277 sdata->u.nan.conf = new_conf;
282 static int ieee80211_add_nan_func(struct wiphy *wiphy,
283 struct wireless_dev *wdev,
284 struct cfg80211_nan_func *nan_func)
286 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
289 if (sdata->vif.type != NL80211_IFTYPE_NAN)
292 if (!ieee80211_sdata_running(sdata))
295 spin_lock_bh(&sdata->u.nan.func_lock);
297 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
298 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
300 spin_unlock_bh(&sdata->u.nan.func_lock);
305 nan_func->instance_id = ret;
307 WARN_ON(nan_func->instance_id == 0);
309 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
311 spin_lock_bh(&sdata->u.nan.func_lock);
312 idr_remove(&sdata->u.nan.function_inst_ids,
313 nan_func->instance_id);
314 spin_unlock_bh(&sdata->u.nan.func_lock);
320 static struct cfg80211_nan_func *
321 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
324 struct cfg80211_nan_func *func;
327 lockdep_assert_held(&sdata->u.nan.func_lock);
329 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
330 if (func->cookie == cookie)
337 static void ieee80211_del_nan_func(struct wiphy *wiphy,
338 struct wireless_dev *wdev, u64 cookie)
340 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
341 struct cfg80211_nan_func *func;
344 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
345 !ieee80211_sdata_running(sdata))
348 spin_lock_bh(&sdata->u.nan.func_lock);
350 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
352 instance_id = func->instance_id;
354 spin_unlock_bh(&sdata->u.nan.func_lock);
357 drv_del_nan_func(sdata->local, sdata, instance_id);
360 static int ieee80211_set_noack_map(struct wiphy *wiphy,
361 struct net_device *dev,
364 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
366 sdata->noack_map = noack_map;
368 ieee80211_check_fast_xmit_iface(sdata);
373 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
374 const u8 *mac_addr, u8 key_idx)
376 struct ieee80211_local *local = sdata->local;
377 struct ieee80211_key *key;
378 struct sta_info *sta;
381 if (!wiphy_ext_feature_isset(local->hw.wiphy,
382 NL80211_EXT_FEATURE_EXT_KEY_ID))
385 sta = sta_info_get_bss(sdata, mac_addr);
390 if (sta->ptk_idx == key_idx)
393 mutex_lock(&local->key_mtx);
394 key = key_mtx_dereference(local, sta->ptk[key_idx]);
396 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
397 ret = ieee80211_set_tx_key(key);
399 mutex_unlock(&local->key_mtx);
403 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
404 u8 key_idx, bool pairwise, const u8 *mac_addr,
405 struct key_params *params)
407 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
408 struct ieee80211_local *local = sdata->local;
409 struct sta_info *sta = NULL;
410 const struct ieee80211_cipher_scheme *cs = NULL;
411 struct ieee80211_key *key;
414 if (!ieee80211_sdata_running(sdata))
417 if (pairwise && params->mode == NL80211_KEY_SET_TX)
418 return ieee80211_set_tx(sdata, mac_addr, key_idx);
420 /* reject WEP and TKIP keys if WEP failed to initialize */
421 switch (params->cipher) {
422 case WLAN_CIPHER_SUITE_WEP40:
423 case WLAN_CIPHER_SUITE_TKIP:
424 case WLAN_CIPHER_SUITE_WEP104:
425 if (WARN_ON_ONCE(fips_enabled))
428 case WLAN_CIPHER_SUITE_CCMP:
429 case WLAN_CIPHER_SUITE_CCMP_256:
430 case WLAN_CIPHER_SUITE_AES_CMAC:
431 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
432 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
433 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
434 case WLAN_CIPHER_SUITE_GCMP:
435 case WLAN_CIPHER_SUITE_GCMP_256:
438 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
442 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
443 params->key, params->seq_len, params->seq,
449 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
451 if (params->mode == NL80211_KEY_NO_TX)
452 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
454 mutex_lock(&local->sta_mtx);
457 sta = sta_info_get_bss(sdata, mac_addr);
459 * The ASSOC test makes sure the driver is ready to
460 * receive the key. When wpa_supplicant has roamed
461 * using FT, it attempts to set the key before
462 * association has completed, this rejects that attempt
463 * so it will set the key again after association.
465 * TODO: accept the key if we have a station entry and
466 * add it to the device after the station.
468 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
469 ieee80211_key_free_unused(key);
475 switch (sdata->vif.type) {
476 case NL80211_IFTYPE_STATION:
477 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
478 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
480 case NL80211_IFTYPE_AP:
481 case NL80211_IFTYPE_AP_VLAN:
482 /* Keys without a station are used for TX only */
483 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
484 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
486 case NL80211_IFTYPE_ADHOC:
489 case NL80211_IFTYPE_MESH_POINT:
490 #ifdef CONFIG_MAC80211_MESH
491 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
492 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
495 case NL80211_IFTYPE_WDS:
496 case NL80211_IFTYPE_MONITOR:
497 case NL80211_IFTYPE_P2P_DEVICE:
498 case NL80211_IFTYPE_NAN:
499 case NL80211_IFTYPE_UNSPECIFIED:
500 case NUM_NL80211_IFTYPES:
501 case NL80211_IFTYPE_P2P_CLIENT:
502 case NL80211_IFTYPE_P2P_GO:
503 case NL80211_IFTYPE_OCB:
504 /* shouldn't happen */
510 sta->cipher_scheme = cs;
512 err = ieee80211_key_link(key, sdata, sta);
515 mutex_unlock(&local->sta_mtx);
520 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
521 u8 key_idx, bool pairwise, const u8 *mac_addr)
523 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
524 struct ieee80211_local *local = sdata->local;
525 struct sta_info *sta;
526 struct ieee80211_key *key = NULL;
529 mutex_lock(&local->sta_mtx);
530 mutex_lock(&local->key_mtx);
535 sta = sta_info_get_bss(sdata, mac_addr);
540 key = key_mtx_dereference(local, sta->ptk[key_idx]);
542 key = key_mtx_dereference(local, sta->gtk[key_idx]);
544 key = key_mtx_dereference(local, sdata->keys[key_idx]);
551 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
555 mutex_unlock(&local->key_mtx);
556 mutex_unlock(&local->sta_mtx);
561 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
562 u8 key_idx, bool pairwise, const u8 *mac_addr,
564 void (*callback)(void *cookie,
565 struct key_params *params))
567 struct ieee80211_sub_if_data *sdata;
568 struct sta_info *sta = NULL;
570 struct key_params params;
571 struct ieee80211_key *key = NULL;
576 struct ieee80211_key_seq kseq = {};
578 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
583 sta = sta_info_get_bss(sdata, mac_addr);
587 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
588 key = rcu_dereference(sta->ptk[key_idx]);
589 else if (!pairwise &&
590 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS +
591 NUM_DEFAULT_BEACON_KEYS)
592 key = rcu_dereference(sta->gtk[key_idx]);
594 key = rcu_dereference(sdata->keys[key_idx]);
599 memset(¶ms, 0, sizeof(params));
601 params.cipher = key->conf.cipher;
603 switch (key->conf.cipher) {
604 case WLAN_CIPHER_SUITE_TKIP:
605 pn64 = atomic64_read(&key->conf.tx_pn);
606 iv32 = TKIP_PN_TO_IV32(pn64);
607 iv16 = TKIP_PN_TO_IV16(pn64);
609 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
610 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
611 drv_get_key_seq(sdata->local, key, &kseq);
612 iv32 = kseq.tkip.iv32;
613 iv16 = kseq.tkip.iv16;
616 seq[0] = iv16 & 0xff;
617 seq[1] = (iv16 >> 8) & 0xff;
618 seq[2] = iv32 & 0xff;
619 seq[3] = (iv32 >> 8) & 0xff;
620 seq[4] = (iv32 >> 16) & 0xff;
621 seq[5] = (iv32 >> 24) & 0xff;
625 case WLAN_CIPHER_SUITE_CCMP:
626 case WLAN_CIPHER_SUITE_CCMP_256:
627 case WLAN_CIPHER_SUITE_AES_CMAC:
628 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
629 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
630 offsetof(typeof(kseq), aes_cmac));
632 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
633 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
634 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
635 offsetof(typeof(kseq), aes_gmac));
637 case WLAN_CIPHER_SUITE_GCMP:
638 case WLAN_CIPHER_SUITE_GCMP_256:
639 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
640 offsetof(typeof(kseq), gcmp));
642 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
643 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
644 drv_get_key_seq(sdata->local, key, &kseq);
645 memcpy(seq, kseq.ccmp.pn, 6);
647 pn64 = atomic64_read(&key->conf.tx_pn);
659 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
661 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
663 drv_get_key_seq(sdata->local, key, &kseq);
664 params.seq = kseq.hw.seq;
665 params.seq_len = kseq.hw.seq_len;
669 params.key = key->conf.key;
670 params.key_len = key->conf.keylen;
672 callback(cookie, ¶ms);
680 static int ieee80211_config_default_key(struct wiphy *wiphy,
681 struct net_device *dev,
682 u8 key_idx, bool uni,
685 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
687 ieee80211_set_default_key(sdata, key_idx, uni, multi);
692 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
693 struct net_device *dev,
696 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
698 ieee80211_set_default_mgmt_key(sdata, key_idx);
703 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
704 struct net_device *dev,
707 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
709 ieee80211_set_default_beacon_key(sdata, key_idx);
714 void sta_set_rate_info_tx(struct sta_info *sta,
715 const struct ieee80211_tx_rate *rate,
716 struct rate_info *rinfo)
719 if (rate->flags & IEEE80211_TX_RC_MCS) {
720 rinfo->flags |= RATE_INFO_FLAGS_MCS;
721 rinfo->mcs = rate->idx;
722 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
723 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
724 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
725 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
727 struct ieee80211_supported_band *sband;
728 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
731 sband = ieee80211_get_sband(sta->sdata);
732 WARN_ON_ONCE(sband && !sband->bitrates);
733 if (sband && sband->bitrates) {
734 brate = sband->bitrates[rate->idx].bitrate;
735 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
738 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
739 rinfo->bw = RATE_INFO_BW_40;
740 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
741 rinfo->bw = RATE_INFO_BW_80;
742 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
743 rinfo->bw = RATE_INFO_BW_160;
745 rinfo->bw = RATE_INFO_BW_20;
746 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
747 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
750 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
751 int idx, u8 *mac, struct station_info *sinfo)
753 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
754 struct ieee80211_local *local = sdata->local;
755 struct sta_info *sta;
758 mutex_lock(&local->sta_mtx);
760 sta = sta_info_get_by_idx(sdata, idx);
763 memcpy(mac, sta->sta.addr, ETH_ALEN);
764 sta_set_sinfo(sta, sinfo, true);
767 mutex_unlock(&local->sta_mtx);
772 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
773 int idx, struct survey_info *survey)
775 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
777 return drv_get_survey(local, idx, survey);
780 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
781 const u8 *mac, struct station_info *sinfo)
783 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
784 struct ieee80211_local *local = sdata->local;
785 struct sta_info *sta;
788 mutex_lock(&local->sta_mtx);
790 sta = sta_info_get_bss(sdata, mac);
793 sta_set_sinfo(sta, sinfo, true);
796 mutex_unlock(&local->sta_mtx);
801 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
802 struct cfg80211_chan_def *chandef)
804 struct ieee80211_local *local = wiphy_priv(wiphy);
805 struct ieee80211_sub_if_data *sdata;
808 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
811 mutex_lock(&local->mtx);
812 if (local->use_chanctx) {
813 sdata = rtnl_dereference(local->monitor_sdata);
815 ieee80211_vif_release_channel(sdata);
816 ret = ieee80211_vif_use_channel(sdata, chandef,
817 IEEE80211_CHANCTX_EXCLUSIVE);
819 } else if (local->open_count == local->monitors) {
820 local->_oper_chandef = *chandef;
821 ieee80211_hw_config(local, 0);
825 local->monitor_chandef = *chandef;
826 mutex_unlock(&local->mtx);
831 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
832 const u8 *resp, size_t resp_len,
833 const struct ieee80211_csa_settings *csa)
835 struct probe_resp *new, *old;
837 if (!resp || !resp_len)
840 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
842 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
847 memcpy(new->data, resp, resp_len);
850 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp,
851 csa->n_counter_offsets_presp *
852 sizeof(new->cntdwn_counter_offsets[0]));
854 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
856 kfree_rcu(old, rcu_head);
861 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
862 struct cfg80211_fils_discovery *params)
864 struct fils_discovery_data *new, *old = NULL;
865 struct ieee80211_fils_discovery *fd;
867 if (!params->tmpl || !params->tmpl_len)
870 fd = &sdata->vif.bss_conf.fils_discovery;
871 fd->min_interval = params->min_interval;
872 fd->max_interval = params->max_interval;
874 old = sdata_dereference(sdata->u.ap.fils_discovery, sdata);
875 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
878 new->len = params->tmpl_len;
879 memcpy(new->data, params->tmpl, params->tmpl_len);
880 rcu_assign_pointer(sdata->u.ap.fils_discovery, new);
883 kfree_rcu(old, rcu_head);
889 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
890 struct cfg80211_unsol_bcast_probe_resp *params)
892 struct unsol_bcast_probe_resp_data *new, *old = NULL;
894 if (!params->tmpl || !params->tmpl_len)
897 old = sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp, sdata);
898 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
901 new->len = params->tmpl_len;
902 memcpy(new->data, params->tmpl, params->tmpl_len);
903 rcu_assign_pointer(sdata->u.ap.unsol_bcast_probe_resp, new);
906 kfree_rcu(old, rcu_head);
908 sdata->vif.bss_conf.unsol_bcast_probe_resp_interval =
914 static int ieee80211_set_ftm_responder_params(
915 struct ieee80211_sub_if_data *sdata,
916 const u8 *lci, size_t lci_len,
917 const u8 *civicloc, size_t civicloc_len)
919 struct ieee80211_ftm_responder_params *new, *old;
920 struct ieee80211_bss_conf *bss_conf;
924 if (!lci_len && !civicloc_len)
927 bss_conf = &sdata->vif.bss_conf;
928 old = bss_conf->ftmr_params;
929 len = lci_len + civicloc_len;
931 new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
935 pos = (u8 *)(new + 1);
937 new->lci_len = lci_len;
939 memcpy(pos, lci, lci_len);
944 new->civicloc_len = civicloc_len;
946 memcpy(pos, civicloc, civicloc_len);
950 bss_conf->ftmr_params = new;
956 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
957 struct cfg80211_beacon_data *params,
958 const struct ieee80211_csa_settings *csa)
960 struct beacon_data *new, *old;
961 int new_head_len, new_tail_len;
963 u32 changed = BSS_CHANGED_BEACON;
965 old = sdata_dereference(sdata->u.ap.beacon, sdata);
968 /* Need to have a beacon head if we don't have one yet */
969 if (!params->head && !old)
972 /* new or old head? */
974 new_head_len = params->head_len;
976 new_head_len = old->head_len;
978 /* new or old tail? */
979 if (params->tail || !old)
980 /* params->tail_len will be zero for !params->tail */
981 new_tail_len = params->tail_len;
983 new_tail_len = old->tail_len;
985 size = sizeof(*new) + new_head_len + new_tail_len;
987 new = kzalloc(size, GFP_KERNEL);
991 /* start filling the new info now */
994 * pointers go into the block we allocated,
995 * memory is | beacon_data | head | tail |
997 new->head = ((u8 *) new) + sizeof(*new);
998 new->tail = new->head + new_head_len;
999 new->head_len = new_head_len;
1000 new->tail_len = new_tail_len;
1003 new->cntdwn_current_counter = csa->count;
1004 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon,
1005 csa->n_counter_offsets_beacon *
1006 sizeof(new->cntdwn_counter_offsets[0]));
1011 memcpy(new->head, params->head, new_head_len);
1013 memcpy(new->head, old->head, new_head_len);
1015 /* copy in optional tail */
1017 memcpy(new->tail, params->tail, new_tail_len);
1020 memcpy(new->tail, old->tail, new_tail_len);
1022 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
1023 params->probe_resp_len, csa);
1029 changed |= BSS_CHANGED_AP_PROBE_RESP;
1031 if (params->ftm_responder != -1) {
1032 sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
1033 err = ieee80211_set_ftm_responder_params(sdata,
1037 params->civicloc_len);
1044 changed |= BSS_CHANGED_FTM_RESPONDER;
1047 rcu_assign_pointer(sdata->u.ap.beacon, new);
1050 kfree_rcu(old, rcu_head);
1055 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
1056 struct cfg80211_ap_settings *params)
1058 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1059 struct ieee80211_local *local = sdata->local;
1060 struct beacon_data *old;
1061 struct ieee80211_sub_if_data *vlan;
1062 u32 changed = BSS_CHANGED_BEACON_INT |
1063 BSS_CHANGED_BEACON_ENABLED |
1064 BSS_CHANGED_BEACON |
1066 BSS_CHANGED_P2P_PS |
1067 BSS_CHANGED_TXPOWER |
1070 int prev_beacon_int;
1072 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1076 if (params->smps_mode != NL80211_SMPS_OFF)
1079 sdata->smps_mode = IEEE80211_SMPS_OFF;
1081 sdata->needed_rx_chains = sdata->local->rx_chains;
1083 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1084 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1086 if (params->he_cap && params->he_oper) {
1087 sdata->vif.bss_conf.he_support = true;
1088 sdata->vif.bss_conf.htc_trig_based_pkt_ext =
1089 le32_get_bits(params->he_oper->he_oper_params,
1090 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1091 sdata->vif.bss_conf.frame_time_rts_th =
1092 le32_get_bits(params->he_oper->he_oper_params,
1093 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1094 changed |= BSS_CHANGED_HE_OBSS_PD;
1096 if (params->he_bss_color.enabled)
1097 changed |= BSS_CHANGED_HE_BSS_COLOR;
1100 mutex_lock(&local->mtx);
1101 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
1102 IEEE80211_CHANCTX_SHARED);
1104 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1105 mutex_unlock(&local->mtx);
1107 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1112 * Apply control port protocol, this allows us to
1113 * not encrypt dynamic WEP control frames.
1115 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1116 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1117 sdata->control_port_over_nl80211 =
1118 params->crypto.control_port_over_nl80211;
1119 sdata->control_port_no_preauth =
1120 params->crypto.control_port_no_preauth;
1121 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1125 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1126 vlan->control_port_protocol =
1127 params->crypto.control_port_ethertype;
1128 vlan->control_port_no_encrypt =
1129 params->crypto.control_port_no_encrypt;
1130 vlan->control_port_over_nl80211 =
1131 params->crypto.control_port_over_nl80211;
1132 vlan->control_port_no_preauth =
1133 params->crypto.control_port_no_preauth;
1134 vlan->encrypt_headroom =
1135 ieee80211_cs_headroom(sdata->local,
1140 sdata->vif.bss_conf.dtim_period = params->dtim_period;
1141 sdata->vif.bss_conf.enable_beacon = true;
1142 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1143 sdata->vif.bss_conf.twt_responder = params->twt_responder;
1144 sdata->vif.bss_conf.he_obss_pd = params->he_obss_pd;
1145 sdata->vif.bss_conf.he_bss_color = params->he_bss_color;
1146 sdata->vif.bss_conf.s1g = params->chandef.chan->band ==
1149 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1150 if (params->ssid_len)
1151 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1153 sdata->vif.bss_conf.hidden_ssid =
1154 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1156 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1157 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1158 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1159 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1160 if (params->p2p_opp_ps)
1161 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1162 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1164 sdata->beacon_rate_set = false;
1165 if (wiphy_ext_feature_isset(local->hw.wiphy,
1166 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1167 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1168 sdata->beacon_rateidx_mask[i] =
1169 params->beacon_rate.control[i].legacy;
1170 if (sdata->beacon_rateidx_mask[i])
1171 sdata->beacon_rate_set = true;
1175 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
1176 sdata->vif.bss_conf.beacon_tx_rate = params->beacon_rate;
1178 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
1183 if (params->fils_discovery.max_interval) {
1184 err = ieee80211_set_fils_discovery(sdata,
1185 ¶ms->fils_discovery);
1188 changed |= BSS_CHANGED_FILS_DISCOVERY;
1191 if (params->unsol_bcast_probe_resp.interval) {
1192 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1193 ¶ms->unsol_bcast_probe_resp);
1196 changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
1199 err = drv_start_ap(sdata->local, sdata);
1201 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1204 kfree_rcu(old, rcu_head);
1205 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1209 ieee80211_recalc_dtim(local, sdata);
1210 ieee80211_bss_info_change_notify(sdata, changed);
1212 netif_carrier_on(dev);
1213 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1214 netif_carrier_on(vlan->dev);
1219 ieee80211_vif_release_channel(sdata);
1223 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1224 struct cfg80211_beacon_data *params)
1226 struct ieee80211_sub_if_data *sdata;
1227 struct beacon_data *old;
1230 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1231 sdata_assert_lock(sdata);
1233 /* don't allow changing the beacon while CSA is in place - offset
1234 * of channel switch counter may change
1236 if (sdata->vif.csa_active)
1239 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1243 err = ieee80211_assign_beacon(sdata, params, NULL);
1246 ieee80211_bss_info_change_notify(sdata, err);
1250 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1252 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1253 struct ieee80211_sub_if_data *vlan;
1254 struct ieee80211_local *local = sdata->local;
1255 struct beacon_data *old_beacon;
1256 struct probe_resp *old_probe_resp;
1257 struct fils_discovery_data *old_fils_discovery;
1258 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp;
1259 struct cfg80211_chan_def chandef;
1261 sdata_assert_lock(sdata);
1263 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1266 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1267 old_fils_discovery = sdata_dereference(sdata->u.ap.fils_discovery,
1269 old_unsol_bcast_probe_resp =
1270 sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp,
1273 /* abort any running channel switch */
1274 mutex_lock(&local->mtx);
1275 sdata->vif.csa_active = false;
1276 if (sdata->csa_block_tx) {
1277 ieee80211_wake_vif_queues(local, sdata,
1278 IEEE80211_QUEUE_STOP_REASON_CSA);
1279 sdata->csa_block_tx = false;
1282 mutex_unlock(&local->mtx);
1284 kfree(sdata->u.ap.next_beacon);
1285 sdata->u.ap.next_beacon = NULL;
1287 /* turn off carrier for this interface and dependent VLANs */
1288 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1289 netif_carrier_off(vlan->dev);
1290 netif_carrier_off(dev);
1292 /* remove beacon and probe response */
1293 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1294 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1295 RCU_INIT_POINTER(sdata->u.ap.fils_discovery, NULL);
1296 RCU_INIT_POINTER(sdata->u.ap.unsol_bcast_probe_resp, NULL);
1297 kfree_rcu(old_beacon, rcu_head);
1299 kfree_rcu(old_probe_resp, rcu_head);
1300 if (old_fils_discovery)
1301 kfree_rcu(old_fils_discovery, rcu_head);
1302 if (old_unsol_bcast_probe_resp)
1303 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head);
1305 kfree(sdata->vif.bss_conf.ftmr_params);
1306 sdata->vif.bss_conf.ftmr_params = NULL;
1308 __sta_info_flush(sdata, true);
1309 ieee80211_free_keys(sdata, true);
1311 sdata->vif.bss_conf.enable_beacon = false;
1312 sdata->beacon_rate_set = false;
1313 sdata->vif.bss_conf.ssid_len = 0;
1314 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1315 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1317 if (sdata->wdev.cac_started) {
1318 chandef = sdata->vif.bss_conf.chandef;
1319 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1320 cfg80211_cac_event(sdata->dev, &chandef,
1321 NL80211_RADAR_CAC_ABORTED,
1325 drv_stop_ap(sdata->local, sdata);
1327 /* free all potentially still buffered bcast frames */
1328 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1329 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1331 mutex_lock(&local->mtx);
1332 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1333 ieee80211_vif_release_channel(sdata);
1334 mutex_unlock(&local->mtx);
1339 static int sta_apply_auth_flags(struct ieee80211_local *local,
1340 struct sta_info *sta,
1345 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1346 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1347 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1348 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1353 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1354 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1355 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1357 * When peer becomes associated, init rate control as
1358 * well. Some drivers require rate control initialized
1359 * before drv_sta_state() is called.
1361 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1362 rate_control_rate_init(sta);
1364 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1369 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1370 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1371 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1372 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1373 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1380 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1381 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1382 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1383 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1388 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1389 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1390 test_sta_flag(sta, WLAN_STA_AUTH)) {
1391 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1399 static void sta_apply_mesh_params(struct ieee80211_local *local,
1400 struct sta_info *sta,
1401 struct station_parameters *params)
1403 #ifdef CONFIG_MAC80211_MESH
1404 struct ieee80211_sub_if_data *sdata = sta->sdata;
1407 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1408 switch (params->plink_state) {
1409 case NL80211_PLINK_ESTAB:
1410 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1411 changed = mesh_plink_inc_estab_count(sdata);
1412 sta->mesh->plink_state = params->plink_state;
1413 sta->mesh->aid = params->peer_aid;
1415 ieee80211_mps_sta_status_update(sta);
1416 changed |= ieee80211_mps_set_sta_local_pm(sta,
1417 sdata->u.mesh.mshcfg.power_mode);
1419 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1420 /* init at low value */
1421 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1424 case NL80211_PLINK_LISTEN:
1425 case NL80211_PLINK_BLOCKED:
1426 case NL80211_PLINK_OPN_SNT:
1427 case NL80211_PLINK_OPN_RCVD:
1428 case NL80211_PLINK_CNF_RCVD:
1429 case NL80211_PLINK_HOLDING:
1430 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1431 changed = mesh_plink_dec_estab_count(sdata);
1432 sta->mesh->plink_state = params->plink_state;
1434 ieee80211_mps_sta_status_update(sta);
1435 changed |= ieee80211_mps_set_sta_local_pm(sta,
1436 NL80211_MESH_POWER_UNKNOWN);
1444 switch (params->plink_action) {
1445 case NL80211_PLINK_ACTION_NO_ACTION:
1448 case NL80211_PLINK_ACTION_OPEN:
1449 changed |= mesh_plink_open(sta);
1451 case NL80211_PLINK_ACTION_BLOCK:
1452 changed |= mesh_plink_block(sta);
1456 if (params->local_pm)
1457 changed |= ieee80211_mps_set_sta_local_pm(sta,
1460 ieee80211_mbss_info_change_notify(sdata, changed);
1464 static void sta_apply_airtime_params(struct ieee80211_local *local,
1465 struct sta_info *sta,
1466 struct station_parameters *params)
1470 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
1471 struct airtime_sched_info *air_sched = &local->airtime[ac];
1472 struct airtime_info *air_info = &sta->airtime[ac];
1473 struct txq_info *txqi;
1476 spin_lock_bh(&air_sched->lock);
1477 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
1478 if (air_info->weight == params->airtime_weight ||
1479 !sta->sta.txq[tid] ||
1480 ac != ieee80211_ac_from_tid(tid))
1483 airtime_weight_set(air_info, params->airtime_weight);
1485 txqi = to_txq_info(sta->sta.txq[tid]);
1486 if (RB_EMPTY_NODE(&txqi->schedule_order))
1489 ieee80211_update_airtime_weight(local, air_sched,
1492 spin_unlock_bh(&air_sched->lock);
1496 static int sta_apply_parameters(struct ieee80211_local *local,
1497 struct sta_info *sta,
1498 struct station_parameters *params)
1501 struct ieee80211_supported_band *sband;
1502 struct ieee80211_sub_if_data *sdata = sta->sdata;
1505 sband = ieee80211_get_sband(sdata);
1509 mask = params->sta_flags_mask;
1510 set = params->sta_flags_set;
1512 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1514 * In mesh mode, ASSOCIATED isn't part of the nl80211
1515 * API but must follow AUTHENTICATED for driver state.
1517 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1518 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1519 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1520 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1521 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1523 * TDLS -- everything follows authorized, but
1524 * only becoming authorized is possible, not
1527 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1528 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1529 BIT(NL80211_STA_FLAG_ASSOCIATED);
1530 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1531 BIT(NL80211_STA_FLAG_ASSOCIATED);
1535 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1536 local->hw.queues >= IEEE80211_NUM_ACS)
1537 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1539 /* auth flags will be set later for TDLS,
1540 * and for unassociated stations that move to associated */
1541 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1542 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1543 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1544 ret = sta_apply_auth_flags(local, sta, mask, set);
1549 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1550 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1551 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1553 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1556 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1557 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1558 if (set & BIT(NL80211_STA_FLAG_MFP))
1559 set_sta_flag(sta, WLAN_STA_MFP);
1561 clear_sta_flag(sta, WLAN_STA_MFP);
1564 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1565 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1566 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1568 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1571 /* mark TDLS channel switch support, if the AP allows it */
1572 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1573 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1574 params->ext_capab_len >= 4 &&
1575 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1576 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1578 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1579 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1580 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1581 params->ext_capab_len >= 8 &&
1582 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1583 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1585 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1586 sta->sta.uapsd_queues = params->uapsd_queues;
1587 sta->sta.max_sp = params->max_sp;
1590 /* The sender might not have sent the last bit, consider it to be 0 */
1591 if (params->ext_capab_len >= 8) {
1592 u8 val = (params->ext_capab[7] &
1593 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1595 /* we did get all the bits, take the MSB as well */
1596 if (params->ext_capab_len >= 9) {
1597 u8 val_msb = params->ext_capab[8] &
1598 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1605 sta->sta.max_amsdu_subframes = 32;
1608 sta->sta.max_amsdu_subframes = 16;
1611 sta->sta.max_amsdu_subframes = 8;
1614 sta->sta.max_amsdu_subframes = 0;
1619 * cfg80211 validates this (1-2007) and allows setting the AID
1620 * only when creating a new station entry
1623 sta->sta.aid = params->aid;
1626 * Some of the following updates would be racy if called on an
1627 * existing station, via ieee80211_change_station(). However,
1628 * all such changes are rejected by cfg80211 except for updates
1629 * changing the supported rates on an existing but not yet used
1633 if (params->listen_interval >= 0)
1634 sta->listen_interval = params->listen_interval;
1636 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1637 sta->sta.txpwr.type = params->txpwr.type;
1638 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1639 sta->sta.txpwr.power = params->txpwr.power;
1640 ret = drv_sta_set_txpwr(local, sdata, sta);
1645 if (params->supported_rates && params->supported_rates_len) {
1646 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1647 sband, params->supported_rates,
1648 params->supported_rates_len,
1649 &sta->sta.supp_rates[sband->band]);
1652 if (params->ht_capa)
1653 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1654 params->ht_capa, sta);
1656 /* VHT can override some HT caps such as the A-MSDU max length */
1657 if (params->vht_capa)
1658 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1659 params->vht_capa, sta);
1661 if (params->he_capa)
1662 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1663 (void *)params->he_capa,
1664 params->he_capa_len,
1665 (void *)params->he_6ghz_capa,
1668 if (params->opmode_notif_used) {
1669 /* returned value is only needed for rc update, but the
1670 * rc isn't initialized here yet, so ignore it
1672 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1676 if (params->support_p2p_ps >= 0)
1677 sta->sta.support_p2p_ps = params->support_p2p_ps;
1679 if (ieee80211_vif_is_mesh(&sdata->vif))
1680 sta_apply_mesh_params(local, sta, params);
1682 if (params->airtime_weight)
1683 sta_apply_airtime_params(local, sta, params);
1686 /* set the STA state after all sta info from usermode has been set */
1687 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1688 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1689 ret = sta_apply_auth_flags(local, sta, mask, set);
1697 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1699 struct station_parameters *params)
1701 struct ieee80211_local *local = wiphy_priv(wiphy);
1702 struct sta_info *sta;
1703 struct ieee80211_sub_if_data *sdata;
1707 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1709 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1710 sdata->vif.type != NL80211_IFTYPE_AP)
1713 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1715 if (ether_addr_equal(mac, sdata->vif.addr))
1718 if (!is_valid_ether_addr(mac))
1721 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1722 sdata->vif.type == NL80211_IFTYPE_STATION &&
1723 !sdata->u.mgd.associated)
1726 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1730 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1731 sta->sta.tdls = true;
1733 err = sta_apply_parameters(local, sta, params);
1735 sta_info_free(local, sta);
1740 * for TDLS and for unassociated station, rate control should be
1741 * initialized only when rates are known and station is marked
1742 * authorized/associated
1744 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1745 test_sta_flag(sta, WLAN_STA_ASSOC))
1746 rate_control_rate_init(sta);
1748 return sta_info_insert(sta);
1751 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1752 struct station_del_parameters *params)
1754 struct ieee80211_sub_if_data *sdata;
1756 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1759 return sta_info_destroy_addr_bss(sdata, params->mac);
1761 sta_info_flush(sdata);
1765 static int ieee80211_change_station(struct wiphy *wiphy,
1766 struct net_device *dev, const u8 *mac,
1767 struct station_parameters *params)
1769 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1770 struct ieee80211_local *local = wiphy_priv(wiphy);
1771 struct sta_info *sta;
1772 struct ieee80211_sub_if_data *vlansdata;
1773 enum cfg80211_station_type statype;
1776 mutex_lock(&local->sta_mtx);
1778 sta = sta_info_get_bss(sdata, mac);
1784 switch (sdata->vif.type) {
1785 case NL80211_IFTYPE_MESH_POINT:
1786 if (sdata->u.mesh.user_mpm)
1787 statype = CFG80211_STA_MESH_PEER_USER;
1789 statype = CFG80211_STA_MESH_PEER_KERNEL;
1791 case NL80211_IFTYPE_ADHOC:
1792 statype = CFG80211_STA_IBSS;
1794 case NL80211_IFTYPE_STATION:
1795 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1796 statype = CFG80211_STA_AP_STA;
1799 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1800 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1802 statype = CFG80211_STA_TDLS_PEER_SETUP;
1804 case NL80211_IFTYPE_AP:
1805 case NL80211_IFTYPE_AP_VLAN:
1806 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1807 statype = CFG80211_STA_AP_CLIENT;
1809 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1816 err = cfg80211_check_station_change(wiphy, params, statype);
1820 if (params->vlan && params->vlan != sta->sdata->dev) {
1821 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1823 if (params->vlan->ieee80211_ptr->use_4addr) {
1824 if (vlansdata->u.vlan.sta) {
1829 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1830 __ieee80211_check_fast_rx_iface(vlansdata);
1831 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
1834 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1835 sta->sdata->u.vlan.sta) {
1836 ieee80211_clear_fast_rx(sta);
1837 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1840 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1841 ieee80211_vif_dec_num_mcast(sta->sdata);
1843 sta->sdata = vlansdata;
1844 ieee80211_check_fast_xmit(sta);
1846 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1847 ieee80211_vif_inc_num_mcast(sta->sdata);
1848 cfg80211_send_layer2_update(sta->sdata->dev,
1853 err = sta_apply_parameters(local, sta, params);
1857 mutex_unlock(&local->sta_mtx);
1859 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1860 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1861 ieee80211_recalc_ps(local);
1862 ieee80211_recalc_ps_vif(sdata);
1867 mutex_unlock(&local->sta_mtx);
1871 #ifdef CONFIG_MAC80211_MESH
1872 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1873 const u8 *dst, const u8 *next_hop)
1875 struct ieee80211_sub_if_data *sdata;
1876 struct mesh_path *mpath;
1877 struct sta_info *sta;
1879 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1882 sta = sta_info_get(sdata, next_hop);
1888 mpath = mesh_path_add(sdata, dst);
1889 if (IS_ERR(mpath)) {
1891 return PTR_ERR(mpath);
1894 mesh_path_fix_nexthop(mpath, sta);
1900 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1903 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1906 return mesh_path_del(sdata, dst);
1908 mesh_path_flush_by_iface(sdata);
1912 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1913 const u8 *dst, const u8 *next_hop)
1915 struct ieee80211_sub_if_data *sdata;
1916 struct mesh_path *mpath;
1917 struct sta_info *sta;
1919 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1923 sta = sta_info_get(sdata, next_hop);
1929 mpath = mesh_path_lookup(sdata, dst);
1935 mesh_path_fix_nexthop(mpath, sta);
1941 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1942 struct mpath_info *pinfo)
1944 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1947 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1949 eth_zero_addr(next_hop);
1951 memset(pinfo, 0, sizeof(*pinfo));
1953 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1955 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1958 MPATH_INFO_EXPTIME |
1959 MPATH_INFO_DISCOVERY_TIMEOUT |
1960 MPATH_INFO_DISCOVERY_RETRIES |
1962 MPATH_INFO_HOP_COUNT |
1963 MPATH_INFO_PATH_CHANGE;
1965 pinfo->frame_qlen = mpath->frame_queue.qlen;
1966 pinfo->sn = mpath->sn;
1967 pinfo->metric = mpath->metric;
1968 if (time_before(jiffies, mpath->exp_time))
1969 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1970 pinfo->discovery_timeout =
1971 jiffies_to_msecs(mpath->discovery_timeout);
1972 pinfo->discovery_retries = mpath->discovery_retries;
1973 if (mpath->flags & MESH_PATH_ACTIVE)
1974 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1975 if (mpath->flags & MESH_PATH_RESOLVING)
1976 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1977 if (mpath->flags & MESH_PATH_SN_VALID)
1978 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1979 if (mpath->flags & MESH_PATH_FIXED)
1980 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1981 if (mpath->flags & MESH_PATH_RESOLVED)
1982 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1983 pinfo->hop_count = mpath->hop_count;
1984 pinfo->path_change_count = mpath->path_change_count;
1987 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1988 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1991 struct ieee80211_sub_if_data *sdata;
1992 struct mesh_path *mpath;
1994 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1997 mpath = mesh_path_lookup(sdata, dst);
2002 memcpy(dst, mpath->dst, ETH_ALEN);
2003 mpath_set_pinfo(mpath, next_hop, pinfo);
2008 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
2009 int idx, u8 *dst, u8 *next_hop,
2010 struct mpath_info *pinfo)
2012 struct ieee80211_sub_if_data *sdata;
2013 struct mesh_path *mpath;
2015 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2018 mpath = mesh_path_lookup_by_idx(sdata, idx);
2023 memcpy(dst, mpath->dst, ETH_ALEN);
2024 mpath_set_pinfo(mpath, next_hop, pinfo);
2029 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
2030 struct mpath_info *pinfo)
2032 memset(pinfo, 0, sizeof(*pinfo));
2033 memcpy(mpp, mpath->mpp, ETH_ALEN);
2035 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
2038 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
2039 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
2042 struct ieee80211_sub_if_data *sdata;
2043 struct mesh_path *mpath;
2045 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2048 mpath = mpp_path_lookup(sdata, dst);
2053 memcpy(dst, mpath->dst, ETH_ALEN);
2054 mpp_set_pinfo(mpath, mpp, pinfo);
2059 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
2060 int idx, u8 *dst, u8 *mpp,
2061 struct mpath_info *pinfo)
2063 struct ieee80211_sub_if_data *sdata;
2064 struct mesh_path *mpath;
2066 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2069 mpath = mpp_path_lookup_by_idx(sdata, idx);
2074 memcpy(dst, mpath->dst, ETH_ALEN);
2075 mpp_set_pinfo(mpath, mpp, pinfo);
2080 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
2081 struct net_device *dev,
2082 struct mesh_config *conf)
2084 struct ieee80211_sub_if_data *sdata;
2085 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2087 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
2091 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
2093 return (mask >> (parm-1)) & 0x1;
2096 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
2097 const struct mesh_setup *setup)
2101 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
2102 struct ieee80211_sub_if_data, u.mesh);
2105 /* allocate information elements */
2109 if (setup->ie_len) {
2110 new_ie = kmemdup(setup->ie, setup->ie_len,
2115 ifmsh->ie_len = setup->ie_len;
2119 /* now copy the rest of the setup parameters */
2120 ifmsh->mesh_id_len = setup->mesh_id_len;
2121 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
2122 ifmsh->mesh_sp_id = setup->sync_method;
2123 ifmsh->mesh_pp_id = setup->path_sel_proto;
2124 ifmsh->mesh_pm_id = setup->path_metric;
2125 ifmsh->user_mpm = setup->user_mpm;
2126 ifmsh->mesh_auth_id = setup->auth_id;
2127 ifmsh->security = IEEE80211_MESH_SEC_NONE;
2128 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
2129 if (setup->is_authenticated)
2130 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
2131 if (setup->is_secure)
2132 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
2134 /* mcast rate setting in Mesh Node */
2135 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2136 sizeof(setup->mcast_rate));
2137 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2139 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2140 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2142 sdata->beacon_rate_set = false;
2143 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2144 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2145 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2146 sdata->beacon_rateidx_mask[i] =
2147 setup->beacon_rate.control[i].legacy;
2148 if (sdata->beacon_rateidx_mask[i])
2149 sdata->beacon_rate_set = true;
2156 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2157 struct net_device *dev, u32 mask,
2158 const struct mesh_config *nconf)
2160 struct mesh_config *conf;
2161 struct ieee80211_sub_if_data *sdata;
2162 struct ieee80211_if_mesh *ifmsh;
2164 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2165 ifmsh = &sdata->u.mesh;
2167 /* Set the config options which we are interested in setting */
2168 conf = &(sdata->u.mesh.mshcfg);
2169 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2170 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2171 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2172 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2173 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2174 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2175 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2176 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2177 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2178 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2179 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2180 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2181 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2182 conf->element_ttl = nconf->element_ttl;
2183 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2184 if (ifmsh->user_mpm)
2186 conf->auto_open_plinks = nconf->auto_open_plinks;
2188 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2189 conf->dot11MeshNbrOffsetMaxNeighbor =
2190 nconf->dot11MeshNbrOffsetMaxNeighbor;
2191 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2192 conf->dot11MeshHWMPmaxPREQretries =
2193 nconf->dot11MeshHWMPmaxPREQretries;
2194 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2195 conf->path_refresh_time = nconf->path_refresh_time;
2196 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2197 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2198 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2199 conf->dot11MeshHWMPactivePathTimeout =
2200 nconf->dot11MeshHWMPactivePathTimeout;
2201 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2202 conf->dot11MeshHWMPpreqMinInterval =
2203 nconf->dot11MeshHWMPpreqMinInterval;
2204 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2205 conf->dot11MeshHWMPperrMinInterval =
2206 nconf->dot11MeshHWMPperrMinInterval;
2207 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2209 conf->dot11MeshHWMPnetDiameterTraversalTime =
2210 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2211 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2212 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2213 ieee80211_mesh_root_setup(ifmsh);
2215 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2216 /* our current gate announcement implementation rides on root
2217 * announcements, so require this ifmsh to also be a root node
2219 if (nconf->dot11MeshGateAnnouncementProtocol &&
2220 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2221 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2222 ieee80211_mesh_root_setup(ifmsh);
2224 conf->dot11MeshGateAnnouncementProtocol =
2225 nconf->dot11MeshGateAnnouncementProtocol;
2227 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2228 conf->dot11MeshHWMPRannInterval =
2229 nconf->dot11MeshHWMPRannInterval;
2230 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2231 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2232 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2233 /* our RSSI threshold implementation is supported only for
2234 * devices that report signal in dBm.
2236 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2238 conf->rssi_threshold = nconf->rssi_threshold;
2240 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2241 conf->ht_opmode = nconf->ht_opmode;
2242 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2243 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2245 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2246 conf->dot11MeshHWMPactivePathToRootTimeout =
2247 nconf->dot11MeshHWMPactivePathToRootTimeout;
2248 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2249 conf->dot11MeshHWMProotInterval =
2250 nconf->dot11MeshHWMProotInterval;
2251 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2252 conf->dot11MeshHWMPconfirmationInterval =
2253 nconf->dot11MeshHWMPconfirmationInterval;
2254 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2255 conf->power_mode = nconf->power_mode;
2256 ieee80211_mps_local_status_update(sdata);
2258 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2259 conf->dot11MeshAwakeWindowDuration =
2260 nconf->dot11MeshAwakeWindowDuration;
2261 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2262 conf->plink_timeout = nconf->plink_timeout;
2263 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2264 conf->dot11MeshConnectedToMeshGate =
2265 nconf->dot11MeshConnectedToMeshGate;
2266 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
2267 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2268 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2269 conf->dot11MeshConnectedToAuthServer =
2270 nconf->dot11MeshConnectedToAuthServer;
2271 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2275 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2276 const struct mesh_config *conf,
2277 const struct mesh_setup *setup)
2279 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2280 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2283 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2284 err = copy_mesh_setup(ifmsh, setup);
2288 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2290 /* can mesh use other SMPS modes? */
2291 sdata->smps_mode = IEEE80211_SMPS_OFF;
2292 sdata->needed_rx_chains = sdata->local->rx_chains;
2294 mutex_lock(&sdata->local->mtx);
2295 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2296 IEEE80211_CHANCTX_SHARED);
2297 mutex_unlock(&sdata->local->mtx);
2301 return ieee80211_start_mesh(sdata);
2304 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2306 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2308 ieee80211_stop_mesh(sdata);
2309 mutex_lock(&sdata->local->mtx);
2310 ieee80211_vif_release_channel(sdata);
2311 kfree(sdata->u.mesh.ie);
2312 mutex_unlock(&sdata->local->mtx);
2318 static int ieee80211_change_bss(struct wiphy *wiphy,
2319 struct net_device *dev,
2320 struct bss_parameters *params)
2322 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2323 struct ieee80211_supported_band *sband;
2326 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2329 sband = ieee80211_get_sband(sdata);
2333 if (params->use_cts_prot >= 0) {
2334 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2335 changed |= BSS_CHANGED_ERP_CTS_PROT;
2337 if (params->use_short_preamble >= 0) {
2338 sdata->vif.bss_conf.use_short_preamble =
2339 params->use_short_preamble;
2340 changed |= BSS_CHANGED_ERP_PREAMBLE;
2343 if (!sdata->vif.bss_conf.use_short_slot &&
2344 (sband->band == NL80211_BAND_5GHZ ||
2345 sband->band == NL80211_BAND_6GHZ)) {
2346 sdata->vif.bss_conf.use_short_slot = true;
2347 changed |= BSS_CHANGED_ERP_SLOT;
2350 if (params->use_short_slot_time >= 0) {
2351 sdata->vif.bss_conf.use_short_slot =
2352 params->use_short_slot_time;
2353 changed |= BSS_CHANGED_ERP_SLOT;
2356 if (params->basic_rates) {
2357 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2358 wiphy->bands[sband->band],
2359 params->basic_rates,
2360 params->basic_rates_len,
2361 &sdata->vif.bss_conf.basic_rates);
2362 changed |= BSS_CHANGED_BASIC_RATES;
2363 ieee80211_check_rate_mask(sdata);
2366 if (params->ap_isolate >= 0) {
2367 if (params->ap_isolate)
2368 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2370 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2371 ieee80211_check_fast_rx_iface(sdata);
2374 if (params->ht_opmode >= 0) {
2375 sdata->vif.bss_conf.ht_operation_mode =
2376 (u16) params->ht_opmode;
2377 changed |= BSS_CHANGED_HT;
2380 if (params->p2p_ctwindow >= 0) {
2381 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2382 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2383 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2384 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2385 changed |= BSS_CHANGED_P2P_PS;
2388 if (params->p2p_opp_ps > 0) {
2389 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2390 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2391 changed |= BSS_CHANGED_P2P_PS;
2392 } else if (params->p2p_opp_ps == 0) {
2393 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2394 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2395 changed |= BSS_CHANGED_P2P_PS;
2398 ieee80211_bss_info_change_notify(sdata, changed);
2403 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2404 struct net_device *dev,
2405 struct ieee80211_txq_params *params)
2407 struct ieee80211_local *local = wiphy_priv(wiphy);
2408 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2409 struct ieee80211_tx_queue_params p;
2411 if (!local->ops->conf_tx)
2414 if (local->hw.queues < IEEE80211_NUM_ACS)
2417 memset(&p, 0, sizeof(p));
2418 p.aifs = params->aifs;
2419 p.cw_max = params->cwmax;
2420 p.cw_min = params->cwmin;
2421 p.txop = params->txop;
2424 * Setting tx queue params disables u-apsd because it's only
2425 * called in master mode.
2429 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2431 sdata->tx_conf[params->ac] = p;
2432 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2433 wiphy_debug(local->hw.wiphy,
2434 "failed to set TX queue parameters for AC %d\n",
2439 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2445 static int ieee80211_suspend(struct wiphy *wiphy,
2446 struct cfg80211_wowlan *wowlan)
2448 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2451 static int ieee80211_resume(struct wiphy *wiphy)
2453 return __ieee80211_resume(wiphy_priv(wiphy));
2456 #define ieee80211_suspend NULL
2457 #define ieee80211_resume NULL
2460 static int ieee80211_scan(struct wiphy *wiphy,
2461 struct cfg80211_scan_request *req)
2463 struct ieee80211_sub_if_data *sdata;
2465 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2467 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2468 case NL80211_IFTYPE_STATION:
2469 case NL80211_IFTYPE_ADHOC:
2470 case NL80211_IFTYPE_MESH_POINT:
2471 case NL80211_IFTYPE_P2P_CLIENT:
2472 case NL80211_IFTYPE_P2P_DEVICE:
2474 case NL80211_IFTYPE_P2P_GO:
2475 if (sdata->local->ops->hw_scan)
2478 * FIXME: implement NoA while scanning in software,
2479 * for now fall through to allow scanning only when
2480 * beaconing hasn't been configured yet
2483 case NL80211_IFTYPE_AP:
2485 * If the scan has been forced (and the driver supports
2486 * forcing), don't care about being beaconing already.
2487 * This will create problems to the attached stations (e.g. all
2488 * the frames sent while scanning on other channel will be
2491 if (sdata->u.ap.beacon &&
2492 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2493 !(req->flags & NL80211_SCAN_FLAG_AP)))
2496 case NL80211_IFTYPE_NAN:
2501 return ieee80211_request_scan(sdata, req);
2504 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2506 ieee80211_scan_cancel(wiphy_priv(wiphy));
2510 ieee80211_sched_scan_start(struct wiphy *wiphy,
2511 struct net_device *dev,
2512 struct cfg80211_sched_scan_request *req)
2514 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2516 if (!sdata->local->ops->sched_scan_start)
2519 return ieee80211_request_sched_scan_start(sdata, req);
2523 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2526 struct ieee80211_local *local = wiphy_priv(wiphy);
2528 if (!local->ops->sched_scan_stop)
2531 return ieee80211_request_sched_scan_stop(local);
2534 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2535 struct cfg80211_auth_request *req)
2537 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2540 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2541 struct cfg80211_assoc_request *req)
2543 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2546 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2547 struct cfg80211_deauth_request *req)
2549 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2552 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2553 struct cfg80211_disassoc_request *req)
2555 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2558 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2559 struct cfg80211_ibss_params *params)
2561 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2564 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2566 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2569 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2570 struct ocb_setup *setup)
2572 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2575 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2577 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2580 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2581 int rate[NUM_NL80211_BANDS])
2583 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2585 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2586 sizeof(int) * NUM_NL80211_BANDS);
2588 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2593 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2595 struct ieee80211_local *local = wiphy_priv(wiphy);
2598 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2599 ieee80211_check_fast_xmit_all(local);
2601 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2604 ieee80211_check_fast_xmit_all(local);
2609 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2610 (changed & WIPHY_PARAM_DYN_ACK)) {
2613 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2614 wiphy->coverage_class : -1;
2615 err = drv_set_coverage_class(local, coverage_class);
2621 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2622 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2628 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2629 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2631 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2633 if (changed & WIPHY_PARAM_RETRY_LONG) {
2634 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2636 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2639 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2640 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2642 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2643 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2644 WIPHY_PARAM_TXQ_QUANTUM))
2645 ieee80211_txq_set_params(local);
2650 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2651 struct wireless_dev *wdev,
2652 enum nl80211_tx_power_setting type, int mbm)
2654 struct ieee80211_local *local = wiphy_priv(wiphy);
2655 struct ieee80211_sub_if_data *sdata;
2656 enum nl80211_tx_power_setting txp_type = type;
2657 bool update_txp_type = false;
2658 bool has_monitor = false;
2661 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2663 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2664 sdata = rtnl_dereference(local->monitor_sdata);
2670 case NL80211_TX_POWER_AUTOMATIC:
2671 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2672 txp_type = NL80211_TX_POWER_LIMITED;
2674 case NL80211_TX_POWER_LIMITED:
2675 case NL80211_TX_POWER_FIXED:
2676 if (mbm < 0 || (mbm % 100))
2678 sdata->user_power_level = MBM_TO_DBM(mbm);
2682 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2683 update_txp_type = true;
2684 sdata->vif.bss_conf.txpower_type = txp_type;
2687 ieee80211_recalc_txpower(sdata, update_txp_type);
2693 case NL80211_TX_POWER_AUTOMATIC:
2694 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2695 txp_type = NL80211_TX_POWER_LIMITED;
2697 case NL80211_TX_POWER_LIMITED:
2698 case NL80211_TX_POWER_FIXED:
2699 if (mbm < 0 || (mbm % 100))
2701 local->user_power_level = MBM_TO_DBM(mbm);
2705 mutex_lock(&local->iflist_mtx);
2706 list_for_each_entry(sdata, &local->interfaces, list) {
2707 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2711 sdata->user_power_level = local->user_power_level;
2712 if (txp_type != sdata->vif.bss_conf.txpower_type)
2713 update_txp_type = true;
2714 sdata->vif.bss_conf.txpower_type = txp_type;
2716 list_for_each_entry(sdata, &local->interfaces, list) {
2717 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2719 ieee80211_recalc_txpower(sdata, update_txp_type);
2721 mutex_unlock(&local->iflist_mtx);
2724 sdata = rtnl_dereference(local->monitor_sdata);
2726 sdata->user_power_level = local->user_power_level;
2727 if (txp_type != sdata->vif.bss_conf.txpower_type)
2728 update_txp_type = true;
2729 sdata->vif.bss_conf.txpower_type = txp_type;
2731 ieee80211_recalc_txpower(sdata, update_txp_type);
2738 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2739 struct wireless_dev *wdev,
2742 struct ieee80211_local *local = wiphy_priv(wiphy);
2743 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2745 if (local->ops->get_txpower)
2746 return drv_get_txpower(local, sdata, dbm);
2748 if (!local->use_chanctx)
2749 *dbm = local->hw.conf.power_level;
2751 *dbm = sdata->vif.bss_conf.txpower;
2756 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2758 struct ieee80211_local *local = wiphy_priv(wiphy);
2760 drv_rfkill_poll(local);
2763 #ifdef CONFIG_NL80211_TESTMODE
2764 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2765 struct wireless_dev *wdev,
2766 void *data, int len)
2768 struct ieee80211_local *local = wiphy_priv(wiphy);
2769 struct ieee80211_vif *vif = NULL;
2771 if (!local->ops->testmode_cmd)
2775 struct ieee80211_sub_if_data *sdata;
2777 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2778 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2782 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2785 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2786 struct sk_buff *skb,
2787 struct netlink_callback *cb,
2788 void *data, int len)
2790 struct ieee80211_local *local = wiphy_priv(wiphy);
2792 if (!local->ops->testmode_dump)
2795 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2799 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2800 enum ieee80211_smps_mode smps_mode)
2803 enum ieee80211_smps_mode old_req;
2805 struct sta_info *sta;
2806 bool tdls_peer_found = false;
2808 lockdep_assert_held(&sdata->wdev.mtx);
2810 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2813 old_req = sdata->u.mgd.req_smps;
2814 sdata->u.mgd.req_smps = smps_mode;
2816 if (old_req == smps_mode &&
2817 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2821 * If not associated, or current association is not an HT
2822 * association, there's no need to do anything, just store
2823 * the new value until we associate.
2825 if (!sdata->u.mgd.associated ||
2826 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2829 ap = sdata->u.mgd.associated->bssid;
2832 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2833 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2834 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2837 tdls_peer_found = true;
2842 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2843 if (tdls_peer_found || !sdata->u.mgd.powersave)
2844 smps_mode = IEEE80211_SMPS_OFF;
2846 smps_mode = IEEE80211_SMPS_DYNAMIC;
2849 /* send SM PS frame to AP */
2850 err = ieee80211_send_smps_action(sdata, smps_mode,
2853 sdata->u.mgd.req_smps = old_req;
2854 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2855 ieee80211_teardown_tdls_peers(sdata);
2860 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2861 bool enabled, int timeout)
2863 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2864 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2866 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2869 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2872 if (enabled == sdata->u.mgd.powersave &&
2873 timeout == local->dynamic_ps_forced_timeout)
2876 sdata->u.mgd.powersave = enabled;
2877 local->dynamic_ps_forced_timeout = timeout;
2879 /* no change, but if automatic follow powersave */
2881 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2882 sdata_unlock(sdata);
2884 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2885 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2887 ieee80211_recalc_ps(local);
2888 ieee80211_recalc_ps_vif(sdata);
2889 ieee80211_check_fast_rx_iface(sdata);
2894 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2895 struct net_device *dev,
2896 s32 rssi_thold, u32 rssi_hyst)
2898 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2899 struct ieee80211_vif *vif = &sdata->vif;
2900 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2902 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2903 rssi_hyst == bss_conf->cqm_rssi_hyst)
2906 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2907 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2910 bss_conf->cqm_rssi_thold = rssi_thold;
2911 bss_conf->cqm_rssi_hyst = rssi_hyst;
2912 bss_conf->cqm_rssi_low = 0;
2913 bss_conf->cqm_rssi_high = 0;
2914 sdata->u.mgd.last_cqm_event_signal = 0;
2916 /* tell the driver upon association, unless already associated */
2917 if (sdata->u.mgd.associated &&
2918 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2919 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2924 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2925 struct net_device *dev,
2926 s32 rssi_low, s32 rssi_high)
2928 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2929 struct ieee80211_vif *vif = &sdata->vif;
2930 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2932 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2935 bss_conf->cqm_rssi_low = rssi_low;
2936 bss_conf->cqm_rssi_high = rssi_high;
2937 bss_conf->cqm_rssi_thold = 0;
2938 bss_conf->cqm_rssi_hyst = 0;
2939 sdata->u.mgd.last_cqm_event_signal = 0;
2941 /* tell the driver upon association, unless already associated */
2942 if (sdata->u.mgd.associated &&
2943 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2944 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2949 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2950 struct net_device *dev,
2952 const struct cfg80211_bitrate_mask *mask)
2954 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2955 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2958 if (!ieee80211_sdata_running(sdata))
2962 * If active validate the setting and reject it if it doesn't leave
2963 * at least one basic rate usable, since we really have to be able
2964 * to send something, and if we're an AP we have to be able to do
2965 * so at a basic rate so that all clients can receive it.
2967 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2968 sdata->vif.bss_conf.chandef.chan) {
2969 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2970 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2972 if (!(mask->control[band].legacy & basic_rates))
2976 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2977 ret = drv_set_bitrate_mask(local, sdata, mask);
2982 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2983 struct ieee80211_supported_band *sband = wiphy->bands[i];
2986 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2987 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2988 sizeof(mask->control[i].ht_mcs));
2989 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2990 mask->control[i].vht_mcs,
2991 sizeof(mask->control[i].vht_mcs));
2993 sdata->rc_has_mcs_mask[i] = false;
2994 sdata->rc_has_vht_mcs_mask[i] = false;
2998 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2999 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
3000 sdata->rc_has_mcs_mask[i] = true;
3005 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
3006 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
3007 sdata->rc_has_vht_mcs_mask[i] = true;
3016 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
3017 struct net_device *dev,
3018 struct cfg80211_chan_def *chandef,
3021 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3022 struct ieee80211_local *local = sdata->local;
3025 mutex_lock(&local->mtx);
3026 if (!list_empty(&local->roc_list) || local->scanning) {
3031 /* whatever, but channel contexts should not complain about that one */
3032 sdata->smps_mode = IEEE80211_SMPS_OFF;
3033 sdata->needed_rx_chains = local->rx_chains;
3035 err = ieee80211_vif_use_channel(sdata, chandef,
3036 IEEE80211_CHANCTX_SHARED);
3040 ieee80211_queue_delayed_work(&sdata->local->hw,
3041 &sdata->dfs_cac_timer_work,
3042 msecs_to_jiffies(cac_time_ms));
3045 mutex_unlock(&local->mtx);
3049 static void ieee80211_end_cac(struct wiphy *wiphy,
3050 struct net_device *dev)
3052 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3053 struct ieee80211_local *local = sdata->local;
3055 mutex_lock(&local->mtx);
3056 list_for_each_entry(sdata, &local->interfaces, list) {
3057 /* it might be waiting for the local->mtx, but then
3058 * by the time it gets it, sdata->wdev.cac_started
3059 * will no longer be true
3061 cancel_delayed_work(&sdata->dfs_cac_timer_work);
3063 if (sdata->wdev.cac_started) {
3064 ieee80211_vif_release_channel(sdata);
3065 sdata->wdev.cac_started = false;
3068 mutex_unlock(&local->mtx);
3071 static struct cfg80211_beacon_data *
3072 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
3074 struct cfg80211_beacon_data *new_beacon;
3078 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
3079 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
3080 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
3082 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
3086 pos = (u8 *)(new_beacon + 1);
3087 if (beacon->head_len) {
3088 new_beacon->head_len = beacon->head_len;
3089 new_beacon->head = pos;
3090 memcpy(pos, beacon->head, beacon->head_len);
3091 pos += beacon->head_len;
3093 if (beacon->tail_len) {
3094 new_beacon->tail_len = beacon->tail_len;
3095 new_beacon->tail = pos;
3096 memcpy(pos, beacon->tail, beacon->tail_len);
3097 pos += beacon->tail_len;
3099 if (beacon->beacon_ies_len) {
3100 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3101 new_beacon->beacon_ies = pos;
3102 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3103 pos += beacon->beacon_ies_len;
3105 if (beacon->proberesp_ies_len) {
3106 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3107 new_beacon->proberesp_ies = pos;
3108 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3109 pos += beacon->proberesp_ies_len;
3111 if (beacon->assocresp_ies_len) {
3112 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3113 new_beacon->assocresp_ies = pos;
3114 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3115 pos += beacon->assocresp_ies_len;
3117 if (beacon->probe_resp_len) {
3118 new_beacon->probe_resp_len = beacon->probe_resp_len;
3119 new_beacon->probe_resp = pos;
3120 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3121 pos += beacon->probe_resp_len;
3124 /* might copy -1, meaning no changes requested */
3125 new_beacon->ftm_responder = beacon->ftm_responder;
3127 new_beacon->lci_len = beacon->lci_len;
3128 new_beacon->lci = pos;
3129 memcpy(pos, beacon->lci, beacon->lci_len);
3130 pos += beacon->lci_len;
3132 if (beacon->civicloc) {
3133 new_beacon->civicloc_len = beacon->civicloc_len;
3134 new_beacon->civicloc = pos;
3135 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3136 pos += beacon->civicloc_len;
3142 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3144 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3146 ieee80211_queue_work(&sdata->local->hw,
3147 &sdata->csa_finalize_work);
3149 EXPORT_SYMBOL(ieee80211_csa_finish);
3151 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3156 switch (sdata->vif.type) {
3157 case NL80211_IFTYPE_AP:
3158 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3160 kfree(sdata->u.ap.next_beacon);
3161 sdata->u.ap.next_beacon = NULL;
3167 case NL80211_IFTYPE_ADHOC:
3168 err = ieee80211_ibss_finish_csa(sdata);
3173 #ifdef CONFIG_MAC80211_MESH
3174 case NL80211_IFTYPE_MESH_POINT:
3175 err = ieee80211_mesh_finish_csa(sdata);
3189 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3191 struct ieee80211_local *local = sdata->local;
3195 sdata_assert_lock(sdata);
3196 lockdep_assert_held(&local->mtx);
3197 lockdep_assert_held(&local->chanctx_mtx);
3200 * using reservation isn't immediate as it may be deferred until later
3201 * with multi-vif. once reservation is complete it will re-schedule the
3202 * work with no reserved_chanctx so verify chandef to check if it
3203 * completed successfully
3206 if (sdata->reserved_chanctx) {
3208 * with multi-vif csa driver may call ieee80211_csa_finish()
3209 * many times while waiting for other interfaces to use their
3212 if (sdata->reserved_ready)
3215 return ieee80211_vif_use_reserved_context(sdata);
3218 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3219 &sdata->csa_chandef))
3222 sdata->vif.csa_active = false;
3224 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3228 ieee80211_bss_info_change_notify(sdata, changed);
3230 if (sdata->csa_block_tx) {
3231 ieee80211_wake_vif_queues(local, sdata,
3232 IEEE80211_QUEUE_STOP_REASON_CSA);
3233 sdata->csa_block_tx = false;
3236 err = drv_post_channel_switch(sdata);
3240 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3245 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3247 if (__ieee80211_csa_finalize(sdata)) {
3248 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3249 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3254 void ieee80211_csa_finalize_work(struct work_struct *work)
3256 struct ieee80211_sub_if_data *sdata =
3257 container_of(work, struct ieee80211_sub_if_data,
3259 struct ieee80211_local *local = sdata->local;
3262 mutex_lock(&local->mtx);
3263 mutex_lock(&local->chanctx_mtx);
3265 /* AP might have been stopped while waiting for the lock. */
3266 if (!sdata->vif.csa_active)
3269 if (!ieee80211_sdata_running(sdata))
3272 ieee80211_csa_finalize(sdata);
3275 mutex_unlock(&local->chanctx_mtx);
3276 mutex_unlock(&local->mtx);
3277 sdata_unlock(sdata);
3280 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3281 struct cfg80211_csa_settings *params,
3284 struct ieee80211_csa_settings csa = {};
3287 switch (sdata->vif.type) {
3288 case NL80211_IFTYPE_AP:
3289 sdata->u.ap.next_beacon =
3290 cfg80211_beacon_dup(¶ms->beacon_after);
3291 if (!sdata->u.ap.next_beacon)
3295 * With a count of 0, we don't have to wait for any
3296 * TBTT before switching, so complete the CSA
3297 * immediately. In theory, with a count == 1 we
3298 * should delay the switch until just before the next
3299 * TBTT, but that would complicate things so we switch
3300 * immediately too. If we would delay the switch
3301 * until the next TBTT, we would have to set the probe
3304 * TODO: A channel switch with count <= 1 without
3305 * sending a CSA action frame is kind of useless,
3306 * because the clients won't know we're changing
3307 * channels. The action frame must be implemented
3308 * either here or in the userspace.
3310 if (params->count <= 1)
3313 if ((params->n_counter_offsets_beacon >
3314 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
3315 (params->n_counter_offsets_presp >
3316 IEEE80211_MAX_CNTDWN_COUNTERS_NUM))
3319 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3320 csa.counter_offsets_presp = params->counter_offsets_presp;
3321 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3322 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3323 csa.count = params->count;
3325 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3327 kfree(sdata->u.ap.next_beacon);
3333 case NL80211_IFTYPE_ADHOC:
3334 if (!sdata->vif.bss_conf.ibss_joined)
3337 if (params->chandef.width != sdata->u.ibss.chandef.width)
3340 switch (params->chandef.width) {
3341 case NL80211_CHAN_WIDTH_40:
3342 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3343 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3346 case NL80211_CHAN_WIDTH_5:
3347 case NL80211_CHAN_WIDTH_10:
3348 case NL80211_CHAN_WIDTH_20_NOHT:
3349 case NL80211_CHAN_WIDTH_20:
3355 /* changes into another band are not supported */
3356 if (sdata->u.ibss.chandef.chan->band !=
3357 params->chandef.chan->band)
3360 /* see comments in the NL80211_IFTYPE_AP block */
3361 if (params->count > 1) {
3362 err = ieee80211_ibss_csa_beacon(sdata, params);
3368 ieee80211_send_action_csa(sdata, params);
3371 #ifdef CONFIG_MAC80211_MESH
3372 case NL80211_IFTYPE_MESH_POINT: {
3373 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3375 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3378 /* changes into another band are not supported */
3379 if (sdata->vif.bss_conf.chandef.chan->band !=
3380 params->chandef.chan->band)
3383 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3384 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3385 if (!ifmsh->pre_value)
3386 ifmsh->pre_value = 1;
3391 /* see comments in the NL80211_IFTYPE_AP block */
3392 if (params->count > 1) {
3393 err = ieee80211_mesh_csa_beacon(sdata, params);
3395 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3401 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3402 ieee80211_send_action_csa(sdata, params);
3415 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3416 struct cfg80211_csa_settings *params)
3418 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3419 struct ieee80211_local *local = sdata->local;
3420 struct ieee80211_channel_switch ch_switch;
3421 struct ieee80211_chanctx_conf *conf;
3422 struct ieee80211_chanctx *chanctx;
3426 sdata_assert_lock(sdata);
3427 lockdep_assert_held(&local->mtx);
3429 if (!list_empty(&local->roc_list) || local->scanning)
3432 if (sdata->wdev.cac_started)
3435 if (cfg80211_chandef_identical(¶ms->chandef,
3436 &sdata->vif.bss_conf.chandef))
3439 /* don't allow another channel switch if one is already active. */
3440 if (sdata->vif.csa_active)
3443 mutex_lock(&local->chanctx_mtx);
3444 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3445 lockdep_is_held(&local->chanctx_mtx));
3451 if (params->chandef.chan->freq_offset) {
3452 /* this may work, but is untested */
3457 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3459 ch_switch.timestamp = 0;
3460 ch_switch.device_timestamp = 0;
3461 ch_switch.block_tx = params->block_tx;
3462 ch_switch.chandef = params->chandef;
3463 ch_switch.count = params->count;
3465 err = drv_pre_channel_switch(sdata, &ch_switch);
3469 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3471 params->radar_required);
3475 /* if reservation is invalid then this will fail */
3476 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3478 ieee80211_vif_unreserve_chanctx(sdata);
3482 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3484 ieee80211_vif_unreserve_chanctx(sdata);
3488 sdata->csa_chandef = params->chandef;
3489 sdata->csa_block_tx = params->block_tx;
3490 sdata->vif.csa_active = true;
3492 if (sdata->csa_block_tx)
3493 ieee80211_stop_vif_queues(local, sdata,
3494 IEEE80211_QUEUE_STOP_REASON_CSA);
3496 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3497 params->count, params->block_tx);
3500 ieee80211_bss_info_change_notify(sdata, changed);
3501 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3503 /* if the beacon didn't change, we can finalize immediately */
3504 ieee80211_csa_finalize(sdata);
3508 mutex_unlock(&local->chanctx_mtx);
3512 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3513 struct cfg80211_csa_settings *params)
3515 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3516 struct ieee80211_local *local = sdata->local;
3519 mutex_lock(&local->mtx);
3520 err = __ieee80211_channel_switch(wiphy, dev, params);
3521 mutex_unlock(&local->mtx);
3526 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3528 lockdep_assert_held(&local->mtx);
3530 local->roc_cookie_counter++;
3532 /* wow, you wrapped 64 bits ... more likely a bug */
3533 if (WARN_ON(local->roc_cookie_counter == 0))
3534 local->roc_cookie_counter++;
3536 return local->roc_cookie_counter;
3539 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3540 u64 *cookie, gfp_t gfp)
3542 unsigned long spin_flags;
3543 struct sk_buff *ack_skb;
3546 ack_skb = skb_copy(skb, gfp);
3550 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3551 id = idr_alloc(&local->ack_status_frames, ack_skb,
3552 1, 0x2000, GFP_ATOMIC);
3553 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3560 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3562 *cookie = ieee80211_mgmt_tx_cookie(local);
3563 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3569 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3570 struct wireless_dev *wdev,
3571 struct mgmt_frame_regs *upd)
3573 struct ieee80211_local *local = wiphy_priv(wiphy);
3574 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3575 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3576 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3577 bool global_change, intf_change;
3580 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
3581 (local->rx_mcast_action_reg !=
3582 !!(upd->global_mcast_stypes & action_mask));
3583 local->probe_req_reg = upd->global_stypes & preq_mask;
3584 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3586 intf_change = (sdata->vif.probe_req_reg !=
3587 !!(upd->interface_stypes & preq_mask)) ||
3588 (sdata->vif.rx_mcast_action_reg !=
3589 !!(upd->interface_mcast_stypes & action_mask));
3590 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3591 sdata->vif.rx_mcast_action_reg =
3592 upd->interface_mcast_stypes & action_mask;
3594 if (!local->open_count)
3597 if (intf_change && ieee80211_sdata_running(sdata))
3598 drv_config_iface_filter(local, sdata,
3599 sdata->vif.probe_req_reg ?
3604 ieee80211_configure_filter(local);
3607 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3609 struct ieee80211_local *local = wiphy_priv(wiphy);
3614 return drv_set_antenna(local, tx_ant, rx_ant);
3617 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3619 struct ieee80211_local *local = wiphy_priv(wiphy);
3621 return drv_get_antenna(local, tx_ant, rx_ant);
3624 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3625 struct net_device *dev,
3626 struct cfg80211_gtk_rekey_data *data)
3628 struct ieee80211_local *local = wiphy_priv(wiphy);
3629 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3631 if (!local->ops->set_rekey_data)
3634 drv_set_rekey_data(local, sdata, data);
3639 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3640 const u8 *peer, u64 *cookie)
3642 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3643 struct ieee80211_local *local = sdata->local;
3644 struct ieee80211_qos_hdr *nullfunc;
3645 struct sk_buff *skb;
3646 int size = sizeof(*nullfunc);
3649 struct ieee80211_tx_info *info;
3650 struct sta_info *sta;
3651 struct ieee80211_chanctx_conf *chanctx_conf;
3652 enum nl80211_band band;
3655 /* the lock is needed to assign the cookie later */
3656 mutex_lock(&local->mtx);
3659 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3660 if (WARN_ON(!chanctx_conf)) {
3664 band = chanctx_conf->def.chan->band;
3665 sta = sta_info_get_bss(sdata, peer);
3674 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3675 IEEE80211_STYPE_QOS_NULLFUNC |
3676 IEEE80211_FCTL_FROMDS);
3679 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3680 IEEE80211_STYPE_NULLFUNC |
3681 IEEE80211_FCTL_FROMDS);
3684 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3692 skb_reserve(skb, local->hw.extra_tx_headroom);
3694 nullfunc = skb_put(skb, size);
3695 nullfunc->frame_control = fc;
3696 nullfunc->duration_id = 0;
3697 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3698 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3699 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3700 nullfunc->seq_ctrl = 0;
3702 info = IEEE80211_SKB_CB(skb);
3704 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3705 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3708 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3711 nullfunc->qos_ctrl = cpu_to_le16(7);
3713 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3720 ieee80211_xmit(sdata, sta, skb);
3726 mutex_unlock(&local->mtx);
3731 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3732 struct wireless_dev *wdev,
3733 struct cfg80211_chan_def *chandef)
3735 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3736 struct ieee80211_local *local = wiphy_priv(wiphy);
3737 struct ieee80211_chanctx_conf *chanctx_conf;
3741 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3743 *chandef = sdata->vif.bss_conf.chandef;
3745 } else if (local->open_count > 0 &&
3746 local->open_count == local->monitors &&
3747 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3748 if (local->use_chanctx)
3749 *chandef = local->monitor_chandef;
3751 *chandef = local->_oper_chandef;
3760 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3762 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3766 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3767 struct net_device *dev,
3768 struct cfg80211_qos_map *qos_map)
3770 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3771 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3774 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3777 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3779 /* A NULL qos_map was passed to disable QoS mapping */
3783 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3784 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3786 kfree_rcu(old_qos_map, rcu_head);
3791 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3792 struct net_device *dev,
3793 struct cfg80211_chan_def *chandef)
3795 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3799 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3801 ieee80211_bss_info_change_notify(sdata, changed);
3806 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3807 u8 tsid, const u8 *peer, u8 up,
3810 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3811 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3812 int ac = ieee802_1d_to_ac[up];
3814 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3817 if (!(sdata->wmm_acm & BIT(up)))
3820 if (ifmgd->tx_tspec[ac].admitted_time)
3823 if (admitted_time) {
3824 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3825 ifmgd->tx_tspec[ac].tsid = tsid;
3826 ifmgd->tx_tspec[ac].up = up;
3832 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3833 u8 tsid, const u8 *peer)
3835 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3836 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3837 struct ieee80211_local *local = wiphy_priv(wiphy);
3840 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3841 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3843 /* skip unused entries */
3844 if (!tx_tspec->admitted_time)
3847 if (tx_tspec->tsid != tsid)
3850 /* due to this new packets will be reassigned to non-ACM ACs */
3853 /* Make sure that all packets have been sent to avoid to
3854 * restore the QoS params on packets that are still on the
3858 ieee80211_flush_queues(local, sdata, false);
3860 /* restore the normal QoS parameters
3861 * (unconditionally to avoid races)
3863 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3864 tx_tspec->downgraded = false;
3865 ieee80211_sta_handle_tspec_ac_params(sdata);
3867 /* finally clear all the data */
3868 memset(tx_tspec, 0, sizeof(*tx_tspec));
3876 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3878 enum nl80211_nan_func_term_reason reason,
3881 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3882 struct cfg80211_nan_func *func;
3885 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3888 spin_lock_bh(&sdata->u.nan.func_lock);
3890 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3891 if (WARN_ON(!func)) {
3892 spin_unlock_bh(&sdata->u.nan.func_lock);
3896 cookie = func->cookie;
3897 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3899 spin_unlock_bh(&sdata->u.nan.func_lock);
3901 cfg80211_free_nan_func(func);
3903 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3904 reason, cookie, gfp);
3906 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3908 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3909 struct cfg80211_nan_match_params *match,
3912 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3913 struct cfg80211_nan_func *func;
3915 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3918 spin_lock_bh(&sdata->u.nan.func_lock);
3920 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3921 if (WARN_ON(!func)) {
3922 spin_unlock_bh(&sdata->u.nan.func_lock);
3925 match->cookie = func->cookie;
3927 spin_unlock_bh(&sdata->u.nan.func_lock);
3929 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3931 EXPORT_SYMBOL(ieee80211_nan_func_match);
3933 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3934 struct net_device *dev,
3937 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3939 sdata->u.ap.multicast_to_unicast = enabled;
3944 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3945 struct txq_info *txqi)
3947 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3948 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3949 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3952 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3953 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3954 txqstats->backlog_packets = txqi->tin.backlog_packets;
3957 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3958 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3959 txqstats->flows = txqi->tin.flows;
3962 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3963 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3964 txqstats->drops = txqi->cstats.drop_count;
3967 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3968 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3969 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3972 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3973 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3974 txqstats->overlimit = txqi->tin.overlimit;
3977 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3978 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3979 txqstats->collisions = txqi->tin.collisions;
3982 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3983 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3984 txqstats->tx_bytes = txqi->tin.tx_bytes;
3987 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3988 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3989 txqstats->tx_packets = txqi->tin.tx_packets;
3993 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3994 struct wireless_dev *wdev,
3995 struct cfg80211_txq_stats *txqstats)
3997 struct ieee80211_local *local = wiphy_priv(wiphy);
3998 struct ieee80211_sub_if_data *sdata;
4001 if (!local->ops->wake_tx_queue)
4004 spin_lock_bh(&local->fq.lock);
4008 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4009 if (!sdata->vif.txq) {
4013 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
4016 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
4017 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
4018 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
4019 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
4020 BIT(NL80211_TXQ_STATS_COLLISIONS) |
4021 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
4022 txqstats->backlog_packets = local->fq.backlog;
4023 txqstats->backlog_bytes = local->fq.memory_usage;
4024 txqstats->overlimit = local->fq.overlimit;
4025 txqstats->overmemory = local->fq.overmemory;
4026 txqstats->collisions = local->fq.collisions;
4027 txqstats->max_flows = local->fq.flows_cnt;
4032 spin_unlock_bh(&local->fq.lock);
4038 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
4039 struct net_device *dev,
4040 struct cfg80211_ftm_responder_stats *ftm_stats)
4042 struct ieee80211_local *local = wiphy_priv(wiphy);
4043 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4045 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
4049 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4050 struct cfg80211_pmsr_request *request)
4052 struct ieee80211_local *local = wiphy_priv(wiphy);
4053 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4055 return drv_start_pmsr(local, sdata, request);
4059 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4060 struct cfg80211_pmsr_request *request)
4062 struct ieee80211_local *local = wiphy_priv(wiphy);
4063 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4065 return drv_abort_pmsr(local, sdata, request);
4068 static int ieee80211_set_tid_config(struct wiphy *wiphy,
4069 struct net_device *dev,
4070 struct cfg80211_tid_config *tid_conf)
4072 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4073 struct sta_info *sta;
4076 if (!sdata->local->ops->set_tid_config)
4079 if (!tid_conf->peer)
4080 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
4082 mutex_lock(&sdata->local->sta_mtx);
4083 sta = sta_info_get_bss(sdata, tid_conf->peer);
4085 mutex_unlock(&sdata->local->sta_mtx);
4089 ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
4090 mutex_unlock(&sdata->local->sta_mtx);
4095 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
4096 struct net_device *dev,
4097 const u8 *peer, u8 tids)
4099 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4100 struct sta_info *sta;
4103 if (!sdata->local->ops->reset_tid_config)
4107 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
4109 mutex_lock(&sdata->local->sta_mtx);
4110 sta = sta_info_get_bss(sdata, peer);
4112 mutex_unlock(&sdata->local->sta_mtx);
4116 ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
4117 mutex_unlock(&sdata->local->sta_mtx);
4122 static int ieee80211_set_sar_specs(struct wiphy *wiphy,
4123 struct cfg80211_sar_specs *sar)
4125 struct ieee80211_local *local = wiphy_priv(wiphy);
4127 if (!local->ops->set_sar_specs)
4130 return local->ops->set_sar_specs(&local->hw, sar);
4133 const struct cfg80211_ops mac80211_config_ops = {
4134 .add_virtual_intf = ieee80211_add_iface,
4135 .del_virtual_intf = ieee80211_del_iface,
4136 .change_virtual_intf = ieee80211_change_iface,
4137 .start_p2p_device = ieee80211_start_p2p_device,
4138 .stop_p2p_device = ieee80211_stop_p2p_device,
4139 .add_key = ieee80211_add_key,
4140 .del_key = ieee80211_del_key,
4141 .get_key = ieee80211_get_key,
4142 .set_default_key = ieee80211_config_default_key,
4143 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
4144 .set_default_beacon_key = ieee80211_config_default_beacon_key,
4145 .start_ap = ieee80211_start_ap,
4146 .change_beacon = ieee80211_change_beacon,
4147 .stop_ap = ieee80211_stop_ap,
4148 .add_station = ieee80211_add_station,
4149 .del_station = ieee80211_del_station,
4150 .change_station = ieee80211_change_station,
4151 .get_station = ieee80211_get_station,
4152 .dump_station = ieee80211_dump_station,
4153 .dump_survey = ieee80211_dump_survey,
4154 #ifdef CONFIG_MAC80211_MESH
4155 .add_mpath = ieee80211_add_mpath,
4156 .del_mpath = ieee80211_del_mpath,
4157 .change_mpath = ieee80211_change_mpath,
4158 .get_mpath = ieee80211_get_mpath,
4159 .dump_mpath = ieee80211_dump_mpath,
4160 .get_mpp = ieee80211_get_mpp,
4161 .dump_mpp = ieee80211_dump_mpp,
4162 .update_mesh_config = ieee80211_update_mesh_config,
4163 .get_mesh_config = ieee80211_get_mesh_config,
4164 .join_mesh = ieee80211_join_mesh,
4165 .leave_mesh = ieee80211_leave_mesh,
4167 .join_ocb = ieee80211_join_ocb,
4168 .leave_ocb = ieee80211_leave_ocb,
4169 .change_bss = ieee80211_change_bss,
4170 .set_txq_params = ieee80211_set_txq_params,
4171 .set_monitor_channel = ieee80211_set_monitor_channel,
4172 .suspend = ieee80211_suspend,
4173 .resume = ieee80211_resume,
4174 .scan = ieee80211_scan,
4175 .abort_scan = ieee80211_abort_scan,
4176 .sched_scan_start = ieee80211_sched_scan_start,
4177 .sched_scan_stop = ieee80211_sched_scan_stop,
4178 .auth = ieee80211_auth,
4179 .assoc = ieee80211_assoc,
4180 .deauth = ieee80211_deauth,
4181 .disassoc = ieee80211_disassoc,
4182 .join_ibss = ieee80211_join_ibss,
4183 .leave_ibss = ieee80211_leave_ibss,
4184 .set_mcast_rate = ieee80211_set_mcast_rate,
4185 .set_wiphy_params = ieee80211_set_wiphy_params,
4186 .set_tx_power = ieee80211_set_tx_power,
4187 .get_tx_power = ieee80211_get_tx_power,
4188 .rfkill_poll = ieee80211_rfkill_poll,
4189 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4190 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4191 .set_power_mgmt = ieee80211_set_power_mgmt,
4192 .set_bitrate_mask = ieee80211_set_bitrate_mask,
4193 .remain_on_channel = ieee80211_remain_on_channel,
4194 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4195 .mgmt_tx = ieee80211_mgmt_tx,
4196 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4197 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4198 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4199 .update_mgmt_frame_registrations =
4200 ieee80211_update_mgmt_frame_registrations,
4201 .set_antenna = ieee80211_set_antenna,
4202 .get_antenna = ieee80211_get_antenna,
4203 .set_rekey_data = ieee80211_set_rekey_data,
4204 .tdls_oper = ieee80211_tdls_oper,
4205 .tdls_mgmt = ieee80211_tdls_mgmt,
4206 .tdls_channel_switch = ieee80211_tdls_channel_switch,
4207 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4208 .probe_client = ieee80211_probe_client,
4209 .set_noack_map = ieee80211_set_noack_map,
4211 .set_wakeup = ieee80211_set_wakeup,
4213 .get_channel = ieee80211_cfg_get_channel,
4214 .start_radar_detection = ieee80211_start_radar_detection,
4215 .end_cac = ieee80211_end_cac,
4216 .channel_switch = ieee80211_channel_switch,
4217 .set_qos_map = ieee80211_set_qos_map,
4218 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4219 .add_tx_ts = ieee80211_add_tx_ts,
4220 .del_tx_ts = ieee80211_del_tx_ts,
4221 .start_nan = ieee80211_start_nan,
4222 .stop_nan = ieee80211_stop_nan,
4223 .nan_change_conf = ieee80211_nan_change_conf,
4224 .add_nan_func = ieee80211_add_nan_func,
4225 .del_nan_func = ieee80211_del_nan_func,
4226 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4227 .tx_control_port = ieee80211_tx_control_port,
4228 .get_txq_stats = ieee80211_get_txq_stats,
4229 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4230 .start_pmsr = ieee80211_start_pmsr,
4231 .abort_pmsr = ieee80211_abort_pmsr,
4232 .probe_mesh_link = ieee80211_probe_mesh_link,
4233 .set_tid_config = ieee80211_set_tid_config,
4234 .reset_tid_config = ieee80211_reset_tid_config,
4235 .set_sar_specs = ieee80211_set_sar_specs,