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 int sta_apply_parameters(struct ieee80211_local *local,
1465 struct sta_info *sta,
1466 struct station_parameters *params)
1469 struct ieee80211_supported_band *sband;
1470 struct ieee80211_sub_if_data *sdata = sta->sdata;
1473 sband = ieee80211_get_sband(sdata);
1477 mask = params->sta_flags_mask;
1478 set = params->sta_flags_set;
1480 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1482 * In mesh mode, ASSOCIATED isn't part of the nl80211
1483 * API but must follow AUTHENTICATED for driver state.
1485 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1486 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1487 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1488 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1489 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1491 * TDLS -- everything follows authorized, but
1492 * only becoming authorized is possible, not
1495 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1496 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1497 BIT(NL80211_STA_FLAG_ASSOCIATED);
1498 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1499 BIT(NL80211_STA_FLAG_ASSOCIATED);
1503 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1504 local->hw.queues >= IEEE80211_NUM_ACS)
1505 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1507 /* auth flags will be set later for TDLS,
1508 * and for unassociated stations that move to associated */
1509 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1510 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1511 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1512 ret = sta_apply_auth_flags(local, sta, mask, set);
1517 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1518 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1519 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1521 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1524 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1525 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1526 if (set & BIT(NL80211_STA_FLAG_MFP))
1527 set_sta_flag(sta, WLAN_STA_MFP);
1529 clear_sta_flag(sta, WLAN_STA_MFP);
1532 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1533 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1534 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1536 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1539 /* mark TDLS channel switch support, if the AP allows it */
1540 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1541 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1542 params->ext_capab_len >= 4 &&
1543 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1544 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1546 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1547 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1548 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1549 params->ext_capab_len >= 8 &&
1550 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1551 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1553 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1554 sta->sta.uapsd_queues = params->uapsd_queues;
1555 sta->sta.max_sp = params->max_sp;
1558 /* The sender might not have sent the last bit, consider it to be 0 */
1559 if (params->ext_capab_len >= 8) {
1560 u8 val = (params->ext_capab[7] &
1561 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1563 /* we did get all the bits, take the MSB as well */
1564 if (params->ext_capab_len >= 9) {
1565 u8 val_msb = params->ext_capab[8] &
1566 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1573 sta->sta.max_amsdu_subframes = 32;
1576 sta->sta.max_amsdu_subframes = 16;
1579 sta->sta.max_amsdu_subframes = 8;
1582 sta->sta.max_amsdu_subframes = 0;
1587 * cfg80211 validates this (1-2007) and allows setting the AID
1588 * only when creating a new station entry
1591 sta->sta.aid = params->aid;
1594 * Some of the following updates would be racy if called on an
1595 * existing station, via ieee80211_change_station(). However,
1596 * all such changes are rejected by cfg80211 except for updates
1597 * changing the supported rates on an existing but not yet used
1601 if (params->listen_interval >= 0)
1602 sta->listen_interval = params->listen_interval;
1604 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1605 sta->sta.txpwr.type = params->txpwr.type;
1606 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1607 sta->sta.txpwr.power = params->txpwr.power;
1608 ret = drv_sta_set_txpwr(local, sdata, sta);
1613 if (params->supported_rates && params->supported_rates_len) {
1614 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1615 sband, params->supported_rates,
1616 params->supported_rates_len,
1617 &sta->sta.supp_rates[sband->band]);
1620 if (params->ht_capa)
1621 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1622 params->ht_capa, sta);
1624 /* VHT can override some HT caps such as the A-MSDU max length */
1625 if (params->vht_capa)
1626 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1627 params->vht_capa, sta);
1629 if (params->he_capa)
1630 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1631 (void *)params->he_capa,
1632 params->he_capa_len,
1633 (void *)params->he_6ghz_capa,
1636 if (params->opmode_notif_used) {
1637 /* returned value is only needed for rc update, but the
1638 * rc isn't initialized here yet, so ignore it
1640 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1644 if (params->support_p2p_ps >= 0)
1645 sta->sta.support_p2p_ps = params->support_p2p_ps;
1647 if (ieee80211_vif_is_mesh(&sdata->vif))
1648 sta_apply_mesh_params(local, sta, params);
1650 if (params->airtime_weight)
1651 sta->airtime_weight = params->airtime_weight;
1653 /* set the STA state after all sta info from usermode has been set */
1654 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1655 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1656 ret = sta_apply_auth_flags(local, sta, mask, set);
1664 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1666 struct station_parameters *params)
1668 struct ieee80211_local *local = wiphy_priv(wiphy);
1669 struct sta_info *sta;
1670 struct ieee80211_sub_if_data *sdata;
1674 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1676 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1677 sdata->vif.type != NL80211_IFTYPE_AP)
1680 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1682 if (ether_addr_equal(mac, sdata->vif.addr))
1685 if (!is_valid_ether_addr(mac))
1688 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1689 sdata->vif.type == NL80211_IFTYPE_STATION &&
1690 !sdata->u.mgd.associated)
1693 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1697 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1698 sta->sta.tdls = true;
1700 err = sta_apply_parameters(local, sta, params);
1702 sta_info_free(local, sta);
1707 * for TDLS and for unassociated station, rate control should be
1708 * initialized only when rates are known and station is marked
1709 * authorized/associated
1711 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1712 test_sta_flag(sta, WLAN_STA_ASSOC))
1713 rate_control_rate_init(sta);
1715 err = sta_info_insert_rcu(sta);
1726 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1727 struct station_del_parameters *params)
1729 struct ieee80211_sub_if_data *sdata;
1731 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1734 return sta_info_destroy_addr_bss(sdata, params->mac);
1736 sta_info_flush(sdata);
1740 static int ieee80211_change_station(struct wiphy *wiphy,
1741 struct net_device *dev, const u8 *mac,
1742 struct station_parameters *params)
1744 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1745 struct ieee80211_local *local = wiphy_priv(wiphy);
1746 struct sta_info *sta;
1747 struct ieee80211_sub_if_data *vlansdata;
1748 enum cfg80211_station_type statype;
1751 mutex_lock(&local->sta_mtx);
1753 sta = sta_info_get_bss(sdata, mac);
1759 switch (sdata->vif.type) {
1760 case NL80211_IFTYPE_MESH_POINT:
1761 if (sdata->u.mesh.user_mpm)
1762 statype = CFG80211_STA_MESH_PEER_USER;
1764 statype = CFG80211_STA_MESH_PEER_KERNEL;
1766 case NL80211_IFTYPE_ADHOC:
1767 statype = CFG80211_STA_IBSS;
1769 case NL80211_IFTYPE_STATION:
1770 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1771 statype = CFG80211_STA_AP_STA;
1774 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1775 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1777 statype = CFG80211_STA_TDLS_PEER_SETUP;
1779 case NL80211_IFTYPE_AP:
1780 case NL80211_IFTYPE_AP_VLAN:
1781 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1782 statype = CFG80211_STA_AP_CLIENT;
1784 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1791 err = cfg80211_check_station_change(wiphy, params, statype);
1795 if (params->vlan && params->vlan != sta->sdata->dev) {
1796 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1798 if (params->vlan->ieee80211_ptr->use_4addr) {
1799 if (vlansdata->u.vlan.sta) {
1804 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1805 __ieee80211_check_fast_rx_iface(vlansdata);
1806 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
1809 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1810 sta->sdata->u.vlan.sta) {
1811 ieee80211_clear_fast_rx(sta);
1812 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1815 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1816 ieee80211_vif_dec_num_mcast(sta->sdata);
1818 sta->sdata = vlansdata;
1819 ieee80211_check_fast_xmit(sta);
1821 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1822 ieee80211_vif_inc_num_mcast(sta->sdata);
1823 cfg80211_send_layer2_update(sta->sdata->dev,
1828 err = sta_apply_parameters(local, sta, params);
1832 mutex_unlock(&local->sta_mtx);
1834 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1835 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1836 ieee80211_recalc_ps(local);
1837 ieee80211_recalc_ps_vif(sdata);
1842 mutex_unlock(&local->sta_mtx);
1846 #ifdef CONFIG_MAC80211_MESH
1847 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1848 const u8 *dst, const u8 *next_hop)
1850 struct ieee80211_sub_if_data *sdata;
1851 struct mesh_path *mpath;
1852 struct sta_info *sta;
1854 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1857 sta = sta_info_get(sdata, next_hop);
1863 mpath = mesh_path_add(sdata, dst);
1864 if (IS_ERR(mpath)) {
1866 return PTR_ERR(mpath);
1869 mesh_path_fix_nexthop(mpath, sta);
1875 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1878 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1881 return mesh_path_del(sdata, dst);
1883 mesh_path_flush_by_iface(sdata);
1887 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1888 const u8 *dst, const u8 *next_hop)
1890 struct ieee80211_sub_if_data *sdata;
1891 struct mesh_path *mpath;
1892 struct sta_info *sta;
1894 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1898 sta = sta_info_get(sdata, next_hop);
1904 mpath = mesh_path_lookup(sdata, dst);
1910 mesh_path_fix_nexthop(mpath, sta);
1916 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1917 struct mpath_info *pinfo)
1919 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1922 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1924 eth_zero_addr(next_hop);
1926 memset(pinfo, 0, sizeof(*pinfo));
1928 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1930 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1933 MPATH_INFO_EXPTIME |
1934 MPATH_INFO_DISCOVERY_TIMEOUT |
1935 MPATH_INFO_DISCOVERY_RETRIES |
1937 MPATH_INFO_HOP_COUNT |
1938 MPATH_INFO_PATH_CHANGE;
1940 pinfo->frame_qlen = mpath->frame_queue.qlen;
1941 pinfo->sn = mpath->sn;
1942 pinfo->metric = mpath->metric;
1943 if (time_before(jiffies, mpath->exp_time))
1944 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1945 pinfo->discovery_timeout =
1946 jiffies_to_msecs(mpath->discovery_timeout);
1947 pinfo->discovery_retries = mpath->discovery_retries;
1948 if (mpath->flags & MESH_PATH_ACTIVE)
1949 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1950 if (mpath->flags & MESH_PATH_RESOLVING)
1951 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1952 if (mpath->flags & MESH_PATH_SN_VALID)
1953 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1954 if (mpath->flags & MESH_PATH_FIXED)
1955 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1956 if (mpath->flags & MESH_PATH_RESOLVED)
1957 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1958 pinfo->hop_count = mpath->hop_count;
1959 pinfo->path_change_count = mpath->path_change_count;
1962 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1963 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1966 struct ieee80211_sub_if_data *sdata;
1967 struct mesh_path *mpath;
1969 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1972 mpath = mesh_path_lookup(sdata, dst);
1977 memcpy(dst, mpath->dst, ETH_ALEN);
1978 mpath_set_pinfo(mpath, next_hop, pinfo);
1983 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1984 int idx, u8 *dst, u8 *next_hop,
1985 struct mpath_info *pinfo)
1987 struct ieee80211_sub_if_data *sdata;
1988 struct mesh_path *mpath;
1990 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1993 mpath = mesh_path_lookup_by_idx(sdata, idx);
1998 memcpy(dst, mpath->dst, ETH_ALEN);
1999 mpath_set_pinfo(mpath, next_hop, pinfo);
2004 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
2005 struct mpath_info *pinfo)
2007 memset(pinfo, 0, sizeof(*pinfo));
2008 memcpy(mpp, mpath->mpp, ETH_ALEN);
2010 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
2013 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
2014 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
2017 struct ieee80211_sub_if_data *sdata;
2018 struct mesh_path *mpath;
2020 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2023 mpath = mpp_path_lookup(sdata, dst);
2028 memcpy(dst, mpath->dst, ETH_ALEN);
2029 mpp_set_pinfo(mpath, mpp, pinfo);
2034 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
2035 int idx, u8 *dst, u8 *mpp,
2036 struct mpath_info *pinfo)
2038 struct ieee80211_sub_if_data *sdata;
2039 struct mesh_path *mpath;
2041 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2044 mpath = mpp_path_lookup_by_idx(sdata, idx);
2049 memcpy(dst, mpath->dst, ETH_ALEN);
2050 mpp_set_pinfo(mpath, mpp, pinfo);
2055 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
2056 struct net_device *dev,
2057 struct mesh_config *conf)
2059 struct ieee80211_sub_if_data *sdata;
2060 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2062 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
2066 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
2068 return (mask >> (parm-1)) & 0x1;
2071 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
2072 const struct mesh_setup *setup)
2076 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
2077 struct ieee80211_sub_if_data, u.mesh);
2080 /* allocate information elements */
2084 if (setup->ie_len) {
2085 new_ie = kmemdup(setup->ie, setup->ie_len,
2090 ifmsh->ie_len = setup->ie_len;
2094 /* now copy the rest of the setup parameters */
2095 ifmsh->mesh_id_len = setup->mesh_id_len;
2096 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
2097 ifmsh->mesh_sp_id = setup->sync_method;
2098 ifmsh->mesh_pp_id = setup->path_sel_proto;
2099 ifmsh->mesh_pm_id = setup->path_metric;
2100 ifmsh->user_mpm = setup->user_mpm;
2101 ifmsh->mesh_auth_id = setup->auth_id;
2102 ifmsh->security = IEEE80211_MESH_SEC_NONE;
2103 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
2104 if (setup->is_authenticated)
2105 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
2106 if (setup->is_secure)
2107 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
2109 /* mcast rate setting in Mesh Node */
2110 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2111 sizeof(setup->mcast_rate));
2112 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2114 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2115 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2117 sdata->beacon_rate_set = false;
2118 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2119 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2120 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2121 sdata->beacon_rateidx_mask[i] =
2122 setup->beacon_rate.control[i].legacy;
2123 if (sdata->beacon_rateidx_mask[i])
2124 sdata->beacon_rate_set = true;
2131 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2132 struct net_device *dev, u32 mask,
2133 const struct mesh_config *nconf)
2135 struct mesh_config *conf;
2136 struct ieee80211_sub_if_data *sdata;
2137 struct ieee80211_if_mesh *ifmsh;
2139 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2140 ifmsh = &sdata->u.mesh;
2142 /* Set the config options which we are interested in setting */
2143 conf = &(sdata->u.mesh.mshcfg);
2144 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2145 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2146 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2147 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2148 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2149 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2150 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2151 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2152 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2153 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2154 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2155 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2156 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2157 conf->element_ttl = nconf->element_ttl;
2158 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2159 if (ifmsh->user_mpm)
2161 conf->auto_open_plinks = nconf->auto_open_plinks;
2163 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2164 conf->dot11MeshNbrOffsetMaxNeighbor =
2165 nconf->dot11MeshNbrOffsetMaxNeighbor;
2166 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2167 conf->dot11MeshHWMPmaxPREQretries =
2168 nconf->dot11MeshHWMPmaxPREQretries;
2169 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2170 conf->path_refresh_time = nconf->path_refresh_time;
2171 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2172 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2173 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2174 conf->dot11MeshHWMPactivePathTimeout =
2175 nconf->dot11MeshHWMPactivePathTimeout;
2176 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2177 conf->dot11MeshHWMPpreqMinInterval =
2178 nconf->dot11MeshHWMPpreqMinInterval;
2179 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2180 conf->dot11MeshHWMPperrMinInterval =
2181 nconf->dot11MeshHWMPperrMinInterval;
2182 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2184 conf->dot11MeshHWMPnetDiameterTraversalTime =
2185 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2186 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2187 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2188 ieee80211_mesh_root_setup(ifmsh);
2190 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2191 /* our current gate announcement implementation rides on root
2192 * announcements, so require this ifmsh to also be a root node
2194 if (nconf->dot11MeshGateAnnouncementProtocol &&
2195 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2196 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2197 ieee80211_mesh_root_setup(ifmsh);
2199 conf->dot11MeshGateAnnouncementProtocol =
2200 nconf->dot11MeshGateAnnouncementProtocol;
2202 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2203 conf->dot11MeshHWMPRannInterval =
2204 nconf->dot11MeshHWMPRannInterval;
2205 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2206 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2207 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2208 /* our RSSI threshold implementation is supported only for
2209 * devices that report signal in dBm.
2211 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2213 conf->rssi_threshold = nconf->rssi_threshold;
2215 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2216 conf->ht_opmode = nconf->ht_opmode;
2217 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2218 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2220 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2221 conf->dot11MeshHWMPactivePathToRootTimeout =
2222 nconf->dot11MeshHWMPactivePathToRootTimeout;
2223 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2224 conf->dot11MeshHWMProotInterval =
2225 nconf->dot11MeshHWMProotInterval;
2226 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2227 conf->dot11MeshHWMPconfirmationInterval =
2228 nconf->dot11MeshHWMPconfirmationInterval;
2229 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2230 conf->power_mode = nconf->power_mode;
2231 ieee80211_mps_local_status_update(sdata);
2233 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2234 conf->dot11MeshAwakeWindowDuration =
2235 nconf->dot11MeshAwakeWindowDuration;
2236 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2237 conf->plink_timeout = nconf->plink_timeout;
2238 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2239 conf->dot11MeshConnectedToMeshGate =
2240 nconf->dot11MeshConnectedToMeshGate;
2241 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
2242 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2243 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2244 conf->dot11MeshConnectedToAuthServer =
2245 nconf->dot11MeshConnectedToAuthServer;
2246 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2250 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2251 const struct mesh_config *conf,
2252 const struct mesh_setup *setup)
2254 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2255 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2258 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2259 err = copy_mesh_setup(ifmsh, setup);
2263 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2265 /* can mesh use other SMPS modes? */
2266 sdata->smps_mode = IEEE80211_SMPS_OFF;
2267 sdata->needed_rx_chains = sdata->local->rx_chains;
2269 mutex_lock(&sdata->local->mtx);
2270 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2271 IEEE80211_CHANCTX_SHARED);
2272 mutex_unlock(&sdata->local->mtx);
2276 return ieee80211_start_mesh(sdata);
2279 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2281 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2283 ieee80211_stop_mesh(sdata);
2284 mutex_lock(&sdata->local->mtx);
2285 ieee80211_vif_release_channel(sdata);
2286 kfree(sdata->u.mesh.ie);
2287 mutex_unlock(&sdata->local->mtx);
2293 static int ieee80211_change_bss(struct wiphy *wiphy,
2294 struct net_device *dev,
2295 struct bss_parameters *params)
2297 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2298 struct ieee80211_supported_band *sband;
2301 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2304 sband = ieee80211_get_sband(sdata);
2308 if (params->use_cts_prot >= 0) {
2309 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2310 changed |= BSS_CHANGED_ERP_CTS_PROT;
2312 if (params->use_short_preamble >= 0) {
2313 sdata->vif.bss_conf.use_short_preamble =
2314 params->use_short_preamble;
2315 changed |= BSS_CHANGED_ERP_PREAMBLE;
2318 if (!sdata->vif.bss_conf.use_short_slot &&
2319 (sband->band == NL80211_BAND_5GHZ ||
2320 sband->band == NL80211_BAND_6GHZ)) {
2321 sdata->vif.bss_conf.use_short_slot = true;
2322 changed |= BSS_CHANGED_ERP_SLOT;
2325 if (params->use_short_slot_time >= 0) {
2326 sdata->vif.bss_conf.use_short_slot =
2327 params->use_short_slot_time;
2328 changed |= BSS_CHANGED_ERP_SLOT;
2331 if (params->basic_rates) {
2332 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2333 wiphy->bands[sband->band],
2334 params->basic_rates,
2335 params->basic_rates_len,
2336 &sdata->vif.bss_conf.basic_rates);
2337 changed |= BSS_CHANGED_BASIC_RATES;
2338 ieee80211_check_rate_mask(sdata);
2341 if (params->ap_isolate >= 0) {
2342 if (params->ap_isolate)
2343 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2345 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2346 ieee80211_check_fast_rx_iface(sdata);
2349 if (params->ht_opmode >= 0) {
2350 sdata->vif.bss_conf.ht_operation_mode =
2351 (u16) params->ht_opmode;
2352 changed |= BSS_CHANGED_HT;
2355 if (params->p2p_ctwindow >= 0) {
2356 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2357 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2358 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2359 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2360 changed |= BSS_CHANGED_P2P_PS;
2363 if (params->p2p_opp_ps > 0) {
2364 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2365 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2366 changed |= BSS_CHANGED_P2P_PS;
2367 } else if (params->p2p_opp_ps == 0) {
2368 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2369 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2370 changed |= BSS_CHANGED_P2P_PS;
2373 ieee80211_bss_info_change_notify(sdata, changed);
2378 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2379 struct net_device *dev,
2380 struct ieee80211_txq_params *params)
2382 struct ieee80211_local *local = wiphy_priv(wiphy);
2383 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2384 struct ieee80211_tx_queue_params p;
2386 if (!local->ops->conf_tx)
2389 if (local->hw.queues < IEEE80211_NUM_ACS)
2392 memset(&p, 0, sizeof(p));
2393 p.aifs = params->aifs;
2394 p.cw_max = params->cwmax;
2395 p.cw_min = params->cwmin;
2396 p.txop = params->txop;
2399 * Setting tx queue params disables u-apsd because it's only
2400 * called in master mode.
2404 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2406 sdata->tx_conf[params->ac] = p;
2407 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2408 wiphy_debug(local->hw.wiphy,
2409 "failed to set TX queue parameters for AC %d\n",
2414 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2420 static int ieee80211_suspend(struct wiphy *wiphy,
2421 struct cfg80211_wowlan *wowlan)
2423 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2426 static int ieee80211_resume(struct wiphy *wiphy)
2428 return __ieee80211_resume(wiphy_priv(wiphy));
2431 #define ieee80211_suspend NULL
2432 #define ieee80211_resume NULL
2435 static int ieee80211_scan(struct wiphy *wiphy,
2436 struct cfg80211_scan_request *req)
2438 struct ieee80211_sub_if_data *sdata;
2440 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2442 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2443 case NL80211_IFTYPE_STATION:
2444 case NL80211_IFTYPE_ADHOC:
2445 case NL80211_IFTYPE_MESH_POINT:
2446 case NL80211_IFTYPE_P2P_CLIENT:
2447 case NL80211_IFTYPE_P2P_DEVICE:
2449 case NL80211_IFTYPE_P2P_GO:
2450 if (sdata->local->ops->hw_scan)
2453 * FIXME: implement NoA while scanning in software,
2454 * for now fall through to allow scanning only when
2455 * beaconing hasn't been configured yet
2458 case NL80211_IFTYPE_AP:
2460 * If the scan has been forced (and the driver supports
2461 * forcing), don't care about being beaconing already.
2462 * This will create problems to the attached stations (e.g. all
2463 * the frames sent while scanning on other channel will be
2466 if (sdata->u.ap.beacon &&
2467 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2468 !(req->flags & NL80211_SCAN_FLAG_AP)))
2471 case NL80211_IFTYPE_NAN:
2476 return ieee80211_request_scan(sdata, req);
2479 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2481 ieee80211_scan_cancel(wiphy_priv(wiphy));
2485 ieee80211_sched_scan_start(struct wiphy *wiphy,
2486 struct net_device *dev,
2487 struct cfg80211_sched_scan_request *req)
2489 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2491 if (!sdata->local->ops->sched_scan_start)
2494 return ieee80211_request_sched_scan_start(sdata, req);
2498 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2501 struct ieee80211_local *local = wiphy_priv(wiphy);
2503 if (!local->ops->sched_scan_stop)
2506 return ieee80211_request_sched_scan_stop(local);
2509 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2510 struct cfg80211_auth_request *req)
2512 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2515 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2516 struct cfg80211_assoc_request *req)
2518 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2521 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2522 struct cfg80211_deauth_request *req)
2524 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2527 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2528 struct cfg80211_disassoc_request *req)
2530 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2533 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2534 struct cfg80211_ibss_params *params)
2536 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2539 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2541 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2544 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2545 struct ocb_setup *setup)
2547 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2550 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2552 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2555 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2556 int rate[NUM_NL80211_BANDS])
2558 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2560 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2561 sizeof(int) * NUM_NL80211_BANDS);
2563 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2568 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2570 struct ieee80211_local *local = wiphy_priv(wiphy);
2573 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2574 ieee80211_check_fast_xmit_all(local);
2576 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2579 ieee80211_check_fast_xmit_all(local);
2584 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2585 (changed & WIPHY_PARAM_DYN_ACK)) {
2588 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2589 wiphy->coverage_class : -1;
2590 err = drv_set_coverage_class(local, coverage_class);
2596 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2597 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2603 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2604 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2606 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2608 if (changed & WIPHY_PARAM_RETRY_LONG) {
2609 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2611 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2614 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2615 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2617 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2618 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2619 WIPHY_PARAM_TXQ_QUANTUM))
2620 ieee80211_txq_set_params(local);
2625 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2626 struct wireless_dev *wdev,
2627 enum nl80211_tx_power_setting type, int mbm)
2629 struct ieee80211_local *local = wiphy_priv(wiphy);
2630 struct ieee80211_sub_if_data *sdata;
2631 enum nl80211_tx_power_setting txp_type = type;
2632 bool update_txp_type = false;
2633 bool has_monitor = false;
2636 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2638 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2639 sdata = rtnl_dereference(local->monitor_sdata);
2645 case NL80211_TX_POWER_AUTOMATIC:
2646 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2647 txp_type = NL80211_TX_POWER_LIMITED;
2649 case NL80211_TX_POWER_LIMITED:
2650 case NL80211_TX_POWER_FIXED:
2651 if (mbm < 0 || (mbm % 100))
2653 sdata->user_power_level = MBM_TO_DBM(mbm);
2657 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2658 update_txp_type = true;
2659 sdata->vif.bss_conf.txpower_type = txp_type;
2662 ieee80211_recalc_txpower(sdata, update_txp_type);
2668 case NL80211_TX_POWER_AUTOMATIC:
2669 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2670 txp_type = NL80211_TX_POWER_LIMITED;
2672 case NL80211_TX_POWER_LIMITED:
2673 case NL80211_TX_POWER_FIXED:
2674 if (mbm < 0 || (mbm % 100))
2676 local->user_power_level = MBM_TO_DBM(mbm);
2680 mutex_lock(&local->iflist_mtx);
2681 list_for_each_entry(sdata, &local->interfaces, list) {
2682 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2686 sdata->user_power_level = local->user_power_level;
2687 if (txp_type != sdata->vif.bss_conf.txpower_type)
2688 update_txp_type = true;
2689 sdata->vif.bss_conf.txpower_type = txp_type;
2691 list_for_each_entry(sdata, &local->interfaces, list) {
2692 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2694 ieee80211_recalc_txpower(sdata, update_txp_type);
2696 mutex_unlock(&local->iflist_mtx);
2699 sdata = rtnl_dereference(local->monitor_sdata);
2701 sdata->user_power_level = local->user_power_level;
2702 if (txp_type != sdata->vif.bss_conf.txpower_type)
2703 update_txp_type = true;
2704 sdata->vif.bss_conf.txpower_type = txp_type;
2706 ieee80211_recalc_txpower(sdata, update_txp_type);
2713 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2714 struct wireless_dev *wdev,
2717 struct ieee80211_local *local = wiphy_priv(wiphy);
2718 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2720 if (local->ops->get_txpower)
2721 return drv_get_txpower(local, sdata, dbm);
2723 if (!local->use_chanctx)
2724 *dbm = local->hw.conf.power_level;
2726 *dbm = sdata->vif.bss_conf.txpower;
2731 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2733 struct ieee80211_local *local = wiphy_priv(wiphy);
2735 drv_rfkill_poll(local);
2738 #ifdef CONFIG_NL80211_TESTMODE
2739 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2740 struct wireless_dev *wdev,
2741 void *data, int len)
2743 struct ieee80211_local *local = wiphy_priv(wiphy);
2744 struct ieee80211_vif *vif = NULL;
2746 if (!local->ops->testmode_cmd)
2750 struct ieee80211_sub_if_data *sdata;
2752 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2753 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2757 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2760 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2761 struct sk_buff *skb,
2762 struct netlink_callback *cb,
2763 void *data, int len)
2765 struct ieee80211_local *local = wiphy_priv(wiphy);
2767 if (!local->ops->testmode_dump)
2770 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2774 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2775 enum ieee80211_smps_mode smps_mode)
2778 enum ieee80211_smps_mode old_req;
2780 struct sta_info *sta;
2781 bool tdls_peer_found = false;
2783 lockdep_assert_held(&sdata->wdev.mtx);
2785 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2788 old_req = sdata->u.mgd.req_smps;
2789 sdata->u.mgd.req_smps = smps_mode;
2791 if (old_req == smps_mode &&
2792 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2796 * If not associated, or current association is not an HT
2797 * association, there's no need to do anything, just store
2798 * the new value until we associate.
2800 if (!sdata->u.mgd.associated ||
2801 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2804 ap = sdata->u.mgd.associated->bssid;
2807 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2808 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2809 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2812 tdls_peer_found = true;
2817 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2818 if (tdls_peer_found || !sdata->u.mgd.powersave)
2819 smps_mode = IEEE80211_SMPS_OFF;
2821 smps_mode = IEEE80211_SMPS_DYNAMIC;
2824 /* send SM PS frame to AP */
2825 err = ieee80211_send_smps_action(sdata, smps_mode,
2828 sdata->u.mgd.req_smps = old_req;
2829 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2830 ieee80211_teardown_tdls_peers(sdata);
2835 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2836 bool enabled, int timeout)
2838 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2839 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2841 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2844 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2847 if (enabled == sdata->u.mgd.powersave &&
2848 timeout == local->dynamic_ps_forced_timeout)
2851 sdata->u.mgd.powersave = enabled;
2852 local->dynamic_ps_forced_timeout = timeout;
2854 /* no change, but if automatic follow powersave */
2856 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2857 sdata_unlock(sdata);
2859 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2860 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2862 ieee80211_recalc_ps(local);
2863 ieee80211_recalc_ps_vif(sdata);
2864 ieee80211_check_fast_rx_iface(sdata);
2869 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2870 struct net_device *dev,
2871 s32 rssi_thold, u32 rssi_hyst)
2873 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2874 struct ieee80211_vif *vif = &sdata->vif;
2875 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2877 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2878 rssi_hyst == bss_conf->cqm_rssi_hyst)
2881 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2882 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2885 bss_conf->cqm_rssi_thold = rssi_thold;
2886 bss_conf->cqm_rssi_hyst = rssi_hyst;
2887 bss_conf->cqm_rssi_low = 0;
2888 bss_conf->cqm_rssi_high = 0;
2889 sdata->u.mgd.last_cqm_event_signal = 0;
2891 /* tell the driver upon association, unless already associated */
2892 if (sdata->u.mgd.associated &&
2893 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2894 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2899 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2900 struct net_device *dev,
2901 s32 rssi_low, s32 rssi_high)
2903 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2904 struct ieee80211_vif *vif = &sdata->vif;
2905 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2907 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2910 bss_conf->cqm_rssi_low = rssi_low;
2911 bss_conf->cqm_rssi_high = rssi_high;
2912 bss_conf->cqm_rssi_thold = 0;
2913 bss_conf->cqm_rssi_hyst = 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_bitrate_mask(struct wiphy *wiphy,
2925 struct net_device *dev,
2927 const struct cfg80211_bitrate_mask *mask)
2929 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2930 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2933 if (!ieee80211_sdata_running(sdata))
2937 * If active validate the setting and reject it if it doesn't leave
2938 * at least one basic rate usable, since we really have to be able
2939 * to send something, and if we're an AP we have to be able to do
2940 * so at a basic rate so that all clients can receive it.
2942 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2943 sdata->vif.bss_conf.chandef.chan) {
2944 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2945 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2947 if (!(mask->control[band].legacy & basic_rates))
2951 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2952 ret = drv_set_bitrate_mask(local, sdata, mask);
2957 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2958 struct ieee80211_supported_band *sband = wiphy->bands[i];
2961 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2962 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2963 sizeof(mask->control[i].ht_mcs));
2964 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2965 mask->control[i].vht_mcs,
2966 sizeof(mask->control[i].vht_mcs));
2968 sdata->rc_has_mcs_mask[i] = false;
2969 sdata->rc_has_vht_mcs_mask[i] = false;
2973 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2974 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
2975 sdata->rc_has_mcs_mask[i] = true;
2980 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2981 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
2982 sdata->rc_has_vht_mcs_mask[i] = true;
2991 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2992 struct net_device *dev,
2993 struct cfg80211_chan_def *chandef,
2996 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2997 struct ieee80211_local *local = sdata->local;
3000 mutex_lock(&local->mtx);
3001 if (!list_empty(&local->roc_list) || local->scanning) {
3006 /* whatever, but channel contexts should not complain about that one */
3007 sdata->smps_mode = IEEE80211_SMPS_OFF;
3008 sdata->needed_rx_chains = local->rx_chains;
3010 err = ieee80211_vif_use_channel(sdata, chandef,
3011 IEEE80211_CHANCTX_SHARED);
3015 ieee80211_queue_delayed_work(&sdata->local->hw,
3016 &sdata->dfs_cac_timer_work,
3017 msecs_to_jiffies(cac_time_ms));
3020 mutex_unlock(&local->mtx);
3024 static void ieee80211_end_cac(struct wiphy *wiphy,
3025 struct net_device *dev)
3027 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3028 struct ieee80211_local *local = sdata->local;
3030 mutex_lock(&local->mtx);
3031 list_for_each_entry(sdata, &local->interfaces, list) {
3032 /* it might be waiting for the local->mtx, but then
3033 * by the time it gets it, sdata->wdev.cac_started
3034 * will no longer be true
3036 cancel_delayed_work(&sdata->dfs_cac_timer_work);
3038 if (sdata->wdev.cac_started) {
3039 ieee80211_vif_release_channel(sdata);
3040 sdata->wdev.cac_started = false;
3043 mutex_unlock(&local->mtx);
3046 static struct cfg80211_beacon_data *
3047 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
3049 struct cfg80211_beacon_data *new_beacon;
3053 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
3054 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
3055 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
3057 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
3061 pos = (u8 *)(new_beacon + 1);
3062 if (beacon->head_len) {
3063 new_beacon->head_len = beacon->head_len;
3064 new_beacon->head = pos;
3065 memcpy(pos, beacon->head, beacon->head_len);
3066 pos += beacon->head_len;
3068 if (beacon->tail_len) {
3069 new_beacon->tail_len = beacon->tail_len;
3070 new_beacon->tail = pos;
3071 memcpy(pos, beacon->tail, beacon->tail_len);
3072 pos += beacon->tail_len;
3074 if (beacon->beacon_ies_len) {
3075 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3076 new_beacon->beacon_ies = pos;
3077 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3078 pos += beacon->beacon_ies_len;
3080 if (beacon->proberesp_ies_len) {
3081 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3082 new_beacon->proberesp_ies = pos;
3083 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3084 pos += beacon->proberesp_ies_len;
3086 if (beacon->assocresp_ies_len) {
3087 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3088 new_beacon->assocresp_ies = pos;
3089 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3090 pos += beacon->assocresp_ies_len;
3092 if (beacon->probe_resp_len) {
3093 new_beacon->probe_resp_len = beacon->probe_resp_len;
3094 new_beacon->probe_resp = pos;
3095 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3096 pos += beacon->probe_resp_len;
3099 /* might copy -1, meaning no changes requested */
3100 new_beacon->ftm_responder = beacon->ftm_responder;
3102 new_beacon->lci_len = beacon->lci_len;
3103 new_beacon->lci = pos;
3104 memcpy(pos, beacon->lci, beacon->lci_len);
3105 pos += beacon->lci_len;
3107 if (beacon->civicloc) {
3108 new_beacon->civicloc_len = beacon->civicloc_len;
3109 new_beacon->civicloc = pos;
3110 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3111 pos += beacon->civicloc_len;
3117 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3119 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3121 ieee80211_queue_work(&sdata->local->hw,
3122 &sdata->csa_finalize_work);
3124 EXPORT_SYMBOL(ieee80211_csa_finish);
3126 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3131 switch (sdata->vif.type) {
3132 case NL80211_IFTYPE_AP:
3133 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3135 kfree(sdata->u.ap.next_beacon);
3136 sdata->u.ap.next_beacon = NULL;
3142 case NL80211_IFTYPE_ADHOC:
3143 err = ieee80211_ibss_finish_csa(sdata);
3148 #ifdef CONFIG_MAC80211_MESH
3149 case NL80211_IFTYPE_MESH_POINT:
3150 err = ieee80211_mesh_finish_csa(sdata);
3164 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3166 struct ieee80211_local *local = sdata->local;
3170 sdata_assert_lock(sdata);
3171 lockdep_assert_held(&local->mtx);
3172 lockdep_assert_held(&local->chanctx_mtx);
3175 * using reservation isn't immediate as it may be deferred until later
3176 * with multi-vif. once reservation is complete it will re-schedule the
3177 * work with no reserved_chanctx so verify chandef to check if it
3178 * completed successfully
3181 if (sdata->reserved_chanctx) {
3183 * with multi-vif csa driver may call ieee80211_csa_finish()
3184 * many times while waiting for other interfaces to use their
3187 if (sdata->reserved_ready)
3190 return ieee80211_vif_use_reserved_context(sdata);
3193 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3194 &sdata->csa_chandef))
3197 sdata->vif.csa_active = false;
3199 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3203 ieee80211_bss_info_change_notify(sdata, changed);
3205 if (sdata->csa_block_tx) {
3206 ieee80211_wake_vif_queues(local, sdata,
3207 IEEE80211_QUEUE_STOP_REASON_CSA);
3208 sdata->csa_block_tx = false;
3211 err = drv_post_channel_switch(sdata);
3215 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3220 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3222 if (__ieee80211_csa_finalize(sdata)) {
3223 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3224 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3229 void ieee80211_csa_finalize_work(struct work_struct *work)
3231 struct ieee80211_sub_if_data *sdata =
3232 container_of(work, struct ieee80211_sub_if_data,
3234 struct ieee80211_local *local = sdata->local;
3237 mutex_lock(&local->mtx);
3238 mutex_lock(&local->chanctx_mtx);
3240 /* AP might have been stopped while waiting for the lock. */
3241 if (!sdata->vif.csa_active)
3244 if (!ieee80211_sdata_running(sdata))
3247 ieee80211_csa_finalize(sdata);
3250 mutex_unlock(&local->chanctx_mtx);
3251 mutex_unlock(&local->mtx);
3252 sdata_unlock(sdata);
3255 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3256 struct cfg80211_csa_settings *params,
3259 struct ieee80211_csa_settings csa = {};
3262 switch (sdata->vif.type) {
3263 case NL80211_IFTYPE_AP:
3264 sdata->u.ap.next_beacon =
3265 cfg80211_beacon_dup(¶ms->beacon_after);
3266 if (!sdata->u.ap.next_beacon)
3270 * With a count of 0, we don't have to wait for any
3271 * TBTT before switching, so complete the CSA
3272 * immediately. In theory, with a count == 1 we
3273 * should delay the switch until just before the next
3274 * TBTT, but that would complicate things so we switch
3275 * immediately too. If we would delay the switch
3276 * until the next TBTT, we would have to set the probe
3279 * TODO: A channel switch with count <= 1 without
3280 * sending a CSA action frame is kind of useless,
3281 * because the clients won't know we're changing
3282 * channels. The action frame must be implemented
3283 * either here or in the userspace.
3285 if (params->count <= 1)
3288 if ((params->n_counter_offsets_beacon >
3289 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
3290 (params->n_counter_offsets_presp >
3291 IEEE80211_MAX_CNTDWN_COUNTERS_NUM))
3294 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3295 csa.counter_offsets_presp = params->counter_offsets_presp;
3296 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3297 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3298 csa.count = params->count;
3300 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3302 kfree(sdata->u.ap.next_beacon);
3308 case NL80211_IFTYPE_ADHOC:
3309 if (!sdata->vif.bss_conf.ibss_joined)
3312 if (params->chandef.width != sdata->u.ibss.chandef.width)
3315 switch (params->chandef.width) {
3316 case NL80211_CHAN_WIDTH_40:
3317 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3318 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3321 case NL80211_CHAN_WIDTH_5:
3322 case NL80211_CHAN_WIDTH_10:
3323 case NL80211_CHAN_WIDTH_20_NOHT:
3324 case NL80211_CHAN_WIDTH_20:
3330 /* changes into another band are not supported */
3331 if (sdata->u.ibss.chandef.chan->band !=
3332 params->chandef.chan->band)
3335 /* see comments in the NL80211_IFTYPE_AP block */
3336 if (params->count > 1) {
3337 err = ieee80211_ibss_csa_beacon(sdata, params);
3343 ieee80211_send_action_csa(sdata, params);
3346 #ifdef CONFIG_MAC80211_MESH
3347 case NL80211_IFTYPE_MESH_POINT: {
3348 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3350 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3353 /* changes into another band are not supported */
3354 if (sdata->vif.bss_conf.chandef.chan->band !=
3355 params->chandef.chan->band)
3358 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3359 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3360 if (!ifmsh->pre_value)
3361 ifmsh->pre_value = 1;
3366 /* see comments in the NL80211_IFTYPE_AP block */
3367 if (params->count > 1) {
3368 err = ieee80211_mesh_csa_beacon(sdata, params);
3370 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3376 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3377 ieee80211_send_action_csa(sdata, params);
3390 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3391 struct cfg80211_csa_settings *params)
3393 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3394 struct ieee80211_local *local = sdata->local;
3395 struct ieee80211_channel_switch ch_switch;
3396 struct ieee80211_chanctx_conf *conf;
3397 struct ieee80211_chanctx *chanctx;
3401 sdata_assert_lock(sdata);
3402 lockdep_assert_held(&local->mtx);
3404 if (!list_empty(&local->roc_list) || local->scanning)
3407 if (sdata->wdev.cac_started)
3410 if (cfg80211_chandef_identical(¶ms->chandef,
3411 &sdata->vif.bss_conf.chandef))
3414 /* don't allow another channel switch if one is already active. */
3415 if (sdata->vif.csa_active)
3418 mutex_lock(&local->chanctx_mtx);
3419 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3420 lockdep_is_held(&local->chanctx_mtx));
3426 if (params->chandef.chan->freq_offset) {
3427 /* this may work, but is untested */
3432 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3434 ch_switch.timestamp = 0;
3435 ch_switch.device_timestamp = 0;
3436 ch_switch.block_tx = params->block_tx;
3437 ch_switch.chandef = params->chandef;
3438 ch_switch.count = params->count;
3440 err = drv_pre_channel_switch(sdata, &ch_switch);
3444 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3446 params->radar_required);
3450 /* if reservation is invalid then this will fail */
3451 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3453 ieee80211_vif_unreserve_chanctx(sdata);
3457 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3459 ieee80211_vif_unreserve_chanctx(sdata);
3463 sdata->csa_chandef = params->chandef;
3464 sdata->csa_block_tx = params->block_tx;
3465 sdata->vif.csa_active = true;
3467 if (sdata->csa_block_tx)
3468 ieee80211_stop_vif_queues(local, sdata,
3469 IEEE80211_QUEUE_STOP_REASON_CSA);
3471 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3472 params->count, params->block_tx);
3475 ieee80211_bss_info_change_notify(sdata, changed);
3476 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3478 /* if the beacon didn't change, we can finalize immediately */
3479 ieee80211_csa_finalize(sdata);
3483 mutex_unlock(&local->chanctx_mtx);
3487 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3488 struct cfg80211_csa_settings *params)
3490 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3491 struct ieee80211_local *local = sdata->local;
3494 mutex_lock(&local->mtx);
3495 err = __ieee80211_channel_switch(wiphy, dev, params);
3496 mutex_unlock(&local->mtx);
3501 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3503 lockdep_assert_held(&local->mtx);
3505 local->roc_cookie_counter++;
3507 /* wow, you wrapped 64 bits ... more likely a bug */
3508 if (WARN_ON(local->roc_cookie_counter == 0))
3509 local->roc_cookie_counter++;
3511 return local->roc_cookie_counter;
3514 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3515 u64 *cookie, gfp_t gfp)
3517 unsigned long spin_flags;
3518 struct sk_buff *ack_skb;
3521 ack_skb = skb_copy(skb, gfp);
3525 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3526 id = idr_alloc(&local->ack_status_frames, ack_skb,
3527 1, 0x2000, GFP_ATOMIC);
3528 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3535 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3537 *cookie = ieee80211_mgmt_tx_cookie(local);
3538 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3544 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3545 struct wireless_dev *wdev,
3546 struct mgmt_frame_regs *upd)
3548 struct ieee80211_local *local = wiphy_priv(wiphy);
3549 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3550 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3551 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3552 bool global_change, intf_change;
3555 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
3556 (local->rx_mcast_action_reg !=
3557 !!(upd->global_mcast_stypes & action_mask));
3558 local->probe_req_reg = upd->global_stypes & preq_mask;
3559 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3561 intf_change = (sdata->vif.probe_req_reg !=
3562 !!(upd->interface_stypes & preq_mask)) ||
3563 (sdata->vif.rx_mcast_action_reg !=
3564 !!(upd->interface_mcast_stypes & action_mask));
3565 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3566 sdata->vif.rx_mcast_action_reg =
3567 upd->interface_mcast_stypes & action_mask;
3569 if (!local->open_count)
3572 if (intf_change && ieee80211_sdata_running(sdata))
3573 drv_config_iface_filter(local, sdata,
3574 sdata->vif.probe_req_reg ?
3579 ieee80211_configure_filter(local);
3582 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3584 struct ieee80211_local *local = wiphy_priv(wiphy);
3589 return drv_set_antenna(local, tx_ant, rx_ant);
3592 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3594 struct ieee80211_local *local = wiphy_priv(wiphy);
3596 return drv_get_antenna(local, tx_ant, rx_ant);
3599 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3600 struct net_device *dev,
3601 struct cfg80211_gtk_rekey_data *data)
3603 struct ieee80211_local *local = wiphy_priv(wiphy);
3604 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3606 if (!local->ops->set_rekey_data)
3609 drv_set_rekey_data(local, sdata, data);
3614 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3615 const u8 *peer, u64 *cookie)
3617 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3618 struct ieee80211_local *local = sdata->local;
3619 struct ieee80211_qos_hdr *nullfunc;
3620 struct sk_buff *skb;
3621 int size = sizeof(*nullfunc);
3624 struct ieee80211_tx_info *info;
3625 struct sta_info *sta;
3626 struct ieee80211_chanctx_conf *chanctx_conf;
3627 enum nl80211_band band;
3630 /* the lock is needed to assign the cookie later */
3631 mutex_lock(&local->mtx);
3634 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3635 if (WARN_ON(!chanctx_conf)) {
3639 band = chanctx_conf->def.chan->band;
3640 sta = sta_info_get_bss(sdata, peer);
3649 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3650 IEEE80211_STYPE_QOS_NULLFUNC |
3651 IEEE80211_FCTL_FROMDS);
3654 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3655 IEEE80211_STYPE_NULLFUNC |
3656 IEEE80211_FCTL_FROMDS);
3659 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3667 skb_reserve(skb, local->hw.extra_tx_headroom);
3669 nullfunc = skb_put(skb, size);
3670 nullfunc->frame_control = fc;
3671 nullfunc->duration_id = 0;
3672 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3673 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3674 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3675 nullfunc->seq_ctrl = 0;
3677 info = IEEE80211_SKB_CB(skb);
3679 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3680 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3683 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3686 nullfunc->qos_ctrl = cpu_to_le16(7);
3688 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3695 ieee80211_xmit(sdata, sta, skb);
3701 mutex_unlock(&local->mtx);
3706 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3707 struct wireless_dev *wdev,
3708 struct cfg80211_chan_def *chandef)
3710 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3711 struct ieee80211_local *local = wiphy_priv(wiphy);
3712 struct ieee80211_chanctx_conf *chanctx_conf;
3716 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3718 *chandef = sdata->vif.bss_conf.chandef;
3720 } else if (local->open_count > 0 &&
3721 local->open_count == local->monitors &&
3722 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3723 if (local->use_chanctx)
3724 *chandef = local->monitor_chandef;
3726 *chandef = local->_oper_chandef;
3735 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3737 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3741 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3742 struct net_device *dev,
3743 struct cfg80211_qos_map *qos_map)
3745 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3746 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3749 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3752 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3754 /* A NULL qos_map was passed to disable QoS mapping */
3758 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3759 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3761 kfree_rcu(old_qos_map, rcu_head);
3766 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3767 struct net_device *dev,
3768 struct cfg80211_chan_def *chandef)
3770 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3774 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3776 ieee80211_bss_info_change_notify(sdata, changed);
3781 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3782 u8 tsid, const u8 *peer, u8 up,
3785 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3786 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3787 int ac = ieee802_1d_to_ac[up];
3789 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3792 if (!(sdata->wmm_acm & BIT(up)))
3795 if (ifmgd->tx_tspec[ac].admitted_time)
3798 if (admitted_time) {
3799 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3800 ifmgd->tx_tspec[ac].tsid = tsid;
3801 ifmgd->tx_tspec[ac].up = up;
3807 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3808 u8 tsid, const u8 *peer)
3810 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3811 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3812 struct ieee80211_local *local = wiphy_priv(wiphy);
3815 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3816 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3818 /* skip unused entries */
3819 if (!tx_tspec->admitted_time)
3822 if (tx_tspec->tsid != tsid)
3825 /* due to this new packets will be reassigned to non-ACM ACs */
3828 /* Make sure that all packets have been sent to avoid to
3829 * restore the QoS params on packets that are still on the
3833 ieee80211_flush_queues(local, sdata, false);
3835 /* restore the normal QoS parameters
3836 * (unconditionally to avoid races)
3838 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3839 tx_tspec->downgraded = false;
3840 ieee80211_sta_handle_tspec_ac_params(sdata);
3842 /* finally clear all the data */
3843 memset(tx_tspec, 0, sizeof(*tx_tspec));
3851 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3853 enum nl80211_nan_func_term_reason reason,
3856 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3857 struct cfg80211_nan_func *func;
3860 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3863 spin_lock_bh(&sdata->u.nan.func_lock);
3865 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3866 if (WARN_ON(!func)) {
3867 spin_unlock_bh(&sdata->u.nan.func_lock);
3871 cookie = func->cookie;
3872 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3874 spin_unlock_bh(&sdata->u.nan.func_lock);
3876 cfg80211_free_nan_func(func);
3878 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3879 reason, cookie, gfp);
3881 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3883 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3884 struct cfg80211_nan_match_params *match,
3887 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3888 struct cfg80211_nan_func *func;
3890 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3893 spin_lock_bh(&sdata->u.nan.func_lock);
3895 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3896 if (WARN_ON(!func)) {
3897 spin_unlock_bh(&sdata->u.nan.func_lock);
3900 match->cookie = func->cookie;
3902 spin_unlock_bh(&sdata->u.nan.func_lock);
3904 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3906 EXPORT_SYMBOL(ieee80211_nan_func_match);
3908 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3909 struct net_device *dev,
3912 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3914 sdata->u.ap.multicast_to_unicast = enabled;
3919 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3920 struct txq_info *txqi)
3922 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3923 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3924 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3927 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3928 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3929 txqstats->backlog_packets = txqi->tin.backlog_packets;
3932 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3933 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3934 txqstats->flows = txqi->tin.flows;
3937 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3938 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3939 txqstats->drops = txqi->cstats.drop_count;
3942 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3943 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3944 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3947 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3948 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3949 txqstats->overlimit = txqi->tin.overlimit;
3952 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3953 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3954 txqstats->collisions = txqi->tin.collisions;
3957 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3958 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3959 txqstats->tx_bytes = txqi->tin.tx_bytes;
3962 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3963 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3964 txqstats->tx_packets = txqi->tin.tx_packets;
3968 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3969 struct wireless_dev *wdev,
3970 struct cfg80211_txq_stats *txqstats)
3972 struct ieee80211_local *local = wiphy_priv(wiphy);
3973 struct ieee80211_sub_if_data *sdata;
3976 if (!local->ops->wake_tx_queue)
3979 spin_lock_bh(&local->fq.lock);
3983 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3984 if (!sdata->vif.txq) {
3988 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3991 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3992 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3993 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3994 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3995 BIT(NL80211_TXQ_STATS_COLLISIONS) |
3996 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3997 txqstats->backlog_packets = local->fq.backlog;
3998 txqstats->backlog_bytes = local->fq.memory_usage;
3999 txqstats->overlimit = local->fq.overlimit;
4000 txqstats->overmemory = local->fq.overmemory;
4001 txqstats->collisions = local->fq.collisions;
4002 txqstats->max_flows = local->fq.flows_cnt;
4007 spin_unlock_bh(&local->fq.lock);
4013 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
4014 struct net_device *dev,
4015 struct cfg80211_ftm_responder_stats *ftm_stats)
4017 struct ieee80211_local *local = wiphy_priv(wiphy);
4018 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4020 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
4024 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4025 struct cfg80211_pmsr_request *request)
4027 struct ieee80211_local *local = wiphy_priv(wiphy);
4028 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4030 return drv_start_pmsr(local, sdata, request);
4034 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4035 struct cfg80211_pmsr_request *request)
4037 struct ieee80211_local *local = wiphy_priv(wiphy);
4038 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4040 return drv_abort_pmsr(local, sdata, request);
4043 static int ieee80211_set_tid_config(struct wiphy *wiphy,
4044 struct net_device *dev,
4045 struct cfg80211_tid_config *tid_conf)
4047 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4048 struct sta_info *sta;
4051 if (!sdata->local->ops->set_tid_config)
4054 if (!tid_conf->peer)
4055 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
4057 mutex_lock(&sdata->local->sta_mtx);
4058 sta = sta_info_get_bss(sdata, tid_conf->peer);
4060 mutex_unlock(&sdata->local->sta_mtx);
4064 ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
4065 mutex_unlock(&sdata->local->sta_mtx);
4070 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
4071 struct net_device *dev,
4072 const u8 *peer, u8 tids)
4074 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4075 struct sta_info *sta;
4078 if (!sdata->local->ops->reset_tid_config)
4082 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
4084 mutex_lock(&sdata->local->sta_mtx);
4085 sta = sta_info_get_bss(sdata, peer);
4087 mutex_unlock(&sdata->local->sta_mtx);
4091 ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
4092 mutex_unlock(&sdata->local->sta_mtx);
4097 static int ieee80211_set_sar_specs(struct wiphy *wiphy,
4098 struct cfg80211_sar_specs *sar)
4100 struct ieee80211_local *local = wiphy_priv(wiphy);
4102 if (!local->ops->set_sar_specs)
4105 return local->ops->set_sar_specs(&local->hw, sar);
4108 const struct cfg80211_ops mac80211_config_ops = {
4109 .add_virtual_intf = ieee80211_add_iface,
4110 .del_virtual_intf = ieee80211_del_iface,
4111 .change_virtual_intf = ieee80211_change_iface,
4112 .start_p2p_device = ieee80211_start_p2p_device,
4113 .stop_p2p_device = ieee80211_stop_p2p_device,
4114 .add_key = ieee80211_add_key,
4115 .del_key = ieee80211_del_key,
4116 .get_key = ieee80211_get_key,
4117 .set_default_key = ieee80211_config_default_key,
4118 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
4119 .set_default_beacon_key = ieee80211_config_default_beacon_key,
4120 .start_ap = ieee80211_start_ap,
4121 .change_beacon = ieee80211_change_beacon,
4122 .stop_ap = ieee80211_stop_ap,
4123 .add_station = ieee80211_add_station,
4124 .del_station = ieee80211_del_station,
4125 .change_station = ieee80211_change_station,
4126 .get_station = ieee80211_get_station,
4127 .dump_station = ieee80211_dump_station,
4128 .dump_survey = ieee80211_dump_survey,
4129 #ifdef CONFIG_MAC80211_MESH
4130 .add_mpath = ieee80211_add_mpath,
4131 .del_mpath = ieee80211_del_mpath,
4132 .change_mpath = ieee80211_change_mpath,
4133 .get_mpath = ieee80211_get_mpath,
4134 .dump_mpath = ieee80211_dump_mpath,
4135 .get_mpp = ieee80211_get_mpp,
4136 .dump_mpp = ieee80211_dump_mpp,
4137 .update_mesh_config = ieee80211_update_mesh_config,
4138 .get_mesh_config = ieee80211_get_mesh_config,
4139 .join_mesh = ieee80211_join_mesh,
4140 .leave_mesh = ieee80211_leave_mesh,
4142 .join_ocb = ieee80211_join_ocb,
4143 .leave_ocb = ieee80211_leave_ocb,
4144 .change_bss = ieee80211_change_bss,
4145 .set_txq_params = ieee80211_set_txq_params,
4146 .set_monitor_channel = ieee80211_set_monitor_channel,
4147 .suspend = ieee80211_suspend,
4148 .resume = ieee80211_resume,
4149 .scan = ieee80211_scan,
4150 .abort_scan = ieee80211_abort_scan,
4151 .sched_scan_start = ieee80211_sched_scan_start,
4152 .sched_scan_stop = ieee80211_sched_scan_stop,
4153 .auth = ieee80211_auth,
4154 .assoc = ieee80211_assoc,
4155 .deauth = ieee80211_deauth,
4156 .disassoc = ieee80211_disassoc,
4157 .join_ibss = ieee80211_join_ibss,
4158 .leave_ibss = ieee80211_leave_ibss,
4159 .set_mcast_rate = ieee80211_set_mcast_rate,
4160 .set_wiphy_params = ieee80211_set_wiphy_params,
4161 .set_tx_power = ieee80211_set_tx_power,
4162 .get_tx_power = ieee80211_get_tx_power,
4163 .rfkill_poll = ieee80211_rfkill_poll,
4164 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4165 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4166 .set_power_mgmt = ieee80211_set_power_mgmt,
4167 .set_bitrate_mask = ieee80211_set_bitrate_mask,
4168 .remain_on_channel = ieee80211_remain_on_channel,
4169 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4170 .mgmt_tx = ieee80211_mgmt_tx,
4171 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4172 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4173 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4174 .update_mgmt_frame_registrations =
4175 ieee80211_update_mgmt_frame_registrations,
4176 .set_antenna = ieee80211_set_antenna,
4177 .get_antenna = ieee80211_get_antenna,
4178 .set_rekey_data = ieee80211_set_rekey_data,
4179 .tdls_oper = ieee80211_tdls_oper,
4180 .tdls_mgmt = ieee80211_tdls_mgmt,
4181 .tdls_channel_switch = ieee80211_tdls_channel_switch,
4182 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4183 .probe_client = ieee80211_probe_client,
4184 .set_noack_map = ieee80211_set_noack_map,
4186 .set_wakeup = ieee80211_set_wakeup,
4188 .get_channel = ieee80211_cfg_get_channel,
4189 .start_radar_detection = ieee80211_start_radar_detection,
4190 .end_cac = ieee80211_end_cac,
4191 .channel_switch = ieee80211_channel_switch,
4192 .set_qos_map = ieee80211_set_qos_map,
4193 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4194 .add_tx_ts = ieee80211_add_tx_ts,
4195 .del_tx_ts = ieee80211_del_tx_ts,
4196 .start_nan = ieee80211_start_nan,
4197 .stop_nan = ieee80211_stop_nan,
4198 .nan_change_conf = ieee80211_nan_change_conf,
4199 .add_nan_func = ieee80211_add_nan_func,
4200 .del_nan_func = ieee80211_del_nan_func,
4201 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4202 .tx_control_port = ieee80211_tx_control_port,
4203 .get_txq_stats = ieee80211_get_txq_stats,
4204 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4205 .start_pmsr = ieee80211_start_pmsr,
4206 .abort_pmsr = ieee80211_abort_pmsr,
4207 .probe_mesh_link = ieee80211_probe_mesh_link,
4208 .set_tid_config = ieee80211_set_tid_config,
4209 .reset_tid_config = ieee80211_reset_tid_config,
4210 .set_sar_specs = ieee80211_set_sar_specs,