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);
157 ret = ieee80211_if_change_type(sdata, type);
161 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
162 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
163 ieee80211_check_fast_rx_iface(sdata);
164 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
165 sdata->u.mgd.use_4addr = params->use_4addr;
168 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
169 ret = ieee80211_set_mon_options(sdata, params);
177 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
178 struct wireless_dev *wdev)
180 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
183 mutex_lock(&sdata->local->chanctx_mtx);
184 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
185 mutex_unlock(&sdata->local->chanctx_mtx);
189 return ieee80211_do_open(wdev, true);
192 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
193 struct wireless_dev *wdev)
195 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
198 static int ieee80211_start_nan(struct wiphy *wiphy,
199 struct wireless_dev *wdev,
200 struct cfg80211_nan_conf *conf)
202 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
205 mutex_lock(&sdata->local->chanctx_mtx);
206 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
207 mutex_unlock(&sdata->local->chanctx_mtx);
211 ret = ieee80211_do_open(wdev, true);
215 ret = drv_start_nan(sdata->local, sdata, conf);
217 ieee80211_sdata_stop(sdata);
219 sdata->u.nan.conf = *conf;
224 static void ieee80211_stop_nan(struct wiphy *wiphy,
225 struct wireless_dev *wdev)
227 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
229 drv_stop_nan(sdata->local, sdata);
230 ieee80211_sdata_stop(sdata);
233 static int ieee80211_nan_change_conf(struct wiphy *wiphy,
234 struct wireless_dev *wdev,
235 struct cfg80211_nan_conf *conf,
238 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
239 struct cfg80211_nan_conf new_conf;
242 if (sdata->vif.type != NL80211_IFTYPE_NAN)
245 if (!ieee80211_sdata_running(sdata))
248 new_conf = sdata->u.nan.conf;
250 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
251 new_conf.master_pref = conf->master_pref;
253 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
254 new_conf.bands = conf->bands;
256 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
258 sdata->u.nan.conf = new_conf;
263 static int ieee80211_add_nan_func(struct wiphy *wiphy,
264 struct wireless_dev *wdev,
265 struct cfg80211_nan_func *nan_func)
267 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
270 if (sdata->vif.type != NL80211_IFTYPE_NAN)
273 if (!ieee80211_sdata_running(sdata))
276 spin_lock_bh(&sdata->u.nan.func_lock);
278 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
279 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
281 spin_unlock_bh(&sdata->u.nan.func_lock);
286 nan_func->instance_id = ret;
288 WARN_ON(nan_func->instance_id == 0);
290 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
292 spin_lock_bh(&sdata->u.nan.func_lock);
293 idr_remove(&sdata->u.nan.function_inst_ids,
294 nan_func->instance_id);
295 spin_unlock_bh(&sdata->u.nan.func_lock);
301 static struct cfg80211_nan_func *
302 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
305 struct cfg80211_nan_func *func;
308 lockdep_assert_held(&sdata->u.nan.func_lock);
310 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
311 if (func->cookie == cookie)
318 static void ieee80211_del_nan_func(struct wiphy *wiphy,
319 struct wireless_dev *wdev, u64 cookie)
321 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
322 struct cfg80211_nan_func *func;
325 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
326 !ieee80211_sdata_running(sdata))
329 spin_lock_bh(&sdata->u.nan.func_lock);
331 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
333 instance_id = func->instance_id;
335 spin_unlock_bh(&sdata->u.nan.func_lock);
338 drv_del_nan_func(sdata->local, sdata, instance_id);
341 static int ieee80211_set_noack_map(struct wiphy *wiphy,
342 struct net_device *dev,
345 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
347 sdata->noack_map = noack_map;
349 ieee80211_check_fast_xmit_iface(sdata);
354 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
355 const u8 *mac_addr, u8 key_idx)
357 struct ieee80211_local *local = sdata->local;
358 struct ieee80211_key *key;
359 struct sta_info *sta;
362 if (!wiphy_ext_feature_isset(local->hw.wiphy,
363 NL80211_EXT_FEATURE_EXT_KEY_ID))
366 sta = sta_info_get_bss(sdata, mac_addr);
371 if (sta->ptk_idx == key_idx)
374 mutex_lock(&local->key_mtx);
375 key = key_mtx_dereference(local, sta->ptk[key_idx]);
377 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
378 ret = ieee80211_set_tx_key(key);
380 mutex_unlock(&local->key_mtx);
384 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
385 u8 key_idx, bool pairwise, const u8 *mac_addr,
386 struct key_params *params)
388 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
389 struct ieee80211_local *local = sdata->local;
390 struct sta_info *sta = NULL;
391 const struct ieee80211_cipher_scheme *cs = NULL;
392 struct ieee80211_key *key;
395 if (!ieee80211_sdata_running(sdata))
398 if (pairwise && params->mode == NL80211_KEY_SET_TX)
399 return ieee80211_set_tx(sdata, mac_addr, key_idx);
401 /* reject WEP and TKIP keys if WEP failed to initialize */
402 switch (params->cipher) {
403 case WLAN_CIPHER_SUITE_WEP40:
404 case WLAN_CIPHER_SUITE_TKIP:
405 case WLAN_CIPHER_SUITE_WEP104:
406 if (WARN_ON_ONCE(fips_enabled))
408 case WLAN_CIPHER_SUITE_CCMP:
409 case WLAN_CIPHER_SUITE_CCMP_256:
410 case WLAN_CIPHER_SUITE_AES_CMAC:
411 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
412 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
413 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
414 case WLAN_CIPHER_SUITE_GCMP:
415 case WLAN_CIPHER_SUITE_GCMP_256:
418 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
422 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
423 params->key, params->seq_len, params->seq,
429 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
431 if (params->mode == NL80211_KEY_NO_TX)
432 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
434 mutex_lock(&local->sta_mtx);
437 sta = sta_info_get_bss(sdata, mac_addr);
439 * The ASSOC test makes sure the driver is ready to
440 * receive the key. When wpa_supplicant has roamed
441 * using FT, it attempts to set the key before
442 * association has completed, this rejects that attempt
443 * so it will set the key again after association.
445 * TODO: accept the key if we have a station entry and
446 * add it to the device after the station.
448 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
449 ieee80211_key_free_unused(key);
455 switch (sdata->vif.type) {
456 case NL80211_IFTYPE_STATION:
457 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
458 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
460 case NL80211_IFTYPE_AP:
461 case NL80211_IFTYPE_AP_VLAN:
462 /* Keys without a station are used for TX only */
463 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
464 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
466 case NL80211_IFTYPE_ADHOC:
469 case NL80211_IFTYPE_MESH_POINT:
470 #ifdef CONFIG_MAC80211_MESH
471 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
472 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
475 case NL80211_IFTYPE_WDS:
476 case NL80211_IFTYPE_MONITOR:
477 case NL80211_IFTYPE_P2P_DEVICE:
478 case NL80211_IFTYPE_NAN:
479 case NL80211_IFTYPE_UNSPECIFIED:
480 case NUM_NL80211_IFTYPES:
481 case NL80211_IFTYPE_P2P_CLIENT:
482 case NL80211_IFTYPE_P2P_GO:
483 case NL80211_IFTYPE_OCB:
484 /* shouldn't happen */
490 sta->cipher_scheme = cs;
492 err = ieee80211_key_link(key, sdata, sta);
495 mutex_unlock(&local->sta_mtx);
500 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
501 u8 key_idx, bool pairwise, const u8 *mac_addr)
503 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
504 struct ieee80211_local *local = sdata->local;
505 struct sta_info *sta;
506 struct ieee80211_key *key = NULL;
509 mutex_lock(&local->sta_mtx);
510 mutex_lock(&local->key_mtx);
515 sta = sta_info_get_bss(sdata, mac_addr);
520 key = key_mtx_dereference(local, sta->ptk[key_idx]);
522 key = key_mtx_dereference(local, sta->gtk[key_idx]);
524 key = key_mtx_dereference(local, sdata->keys[key_idx]);
531 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
535 mutex_unlock(&local->key_mtx);
536 mutex_unlock(&local->sta_mtx);
541 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
542 u8 key_idx, bool pairwise, const u8 *mac_addr,
544 void (*callback)(void *cookie,
545 struct key_params *params))
547 struct ieee80211_sub_if_data *sdata;
548 struct sta_info *sta = NULL;
550 struct key_params params;
551 struct ieee80211_key *key = NULL;
556 struct ieee80211_key_seq kseq = {};
558 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
563 sta = sta_info_get_bss(sdata, mac_addr);
567 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
568 key = rcu_dereference(sta->ptk[key_idx]);
569 else if (!pairwise &&
570 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS +
571 NUM_DEFAULT_BEACON_KEYS)
572 key = rcu_dereference(sta->gtk[key_idx]);
574 key = rcu_dereference(sdata->keys[key_idx]);
579 memset(¶ms, 0, sizeof(params));
581 params.cipher = key->conf.cipher;
583 switch (key->conf.cipher) {
584 case WLAN_CIPHER_SUITE_TKIP:
585 pn64 = atomic64_read(&key->conf.tx_pn);
586 iv32 = TKIP_PN_TO_IV32(pn64);
587 iv16 = TKIP_PN_TO_IV16(pn64);
589 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
590 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
591 drv_get_key_seq(sdata->local, key, &kseq);
592 iv32 = kseq.tkip.iv32;
593 iv16 = kseq.tkip.iv16;
596 seq[0] = iv16 & 0xff;
597 seq[1] = (iv16 >> 8) & 0xff;
598 seq[2] = iv32 & 0xff;
599 seq[3] = (iv32 >> 8) & 0xff;
600 seq[4] = (iv32 >> 16) & 0xff;
601 seq[5] = (iv32 >> 24) & 0xff;
605 case WLAN_CIPHER_SUITE_CCMP:
606 case WLAN_CIPHER_SUITE_CCMP_256:
607 case WLAN_CIPHER_SUITE_AES_CMAC:
608 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
609 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
610 offsetof(typeof(kseq), aes_cmac));
612 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
613 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
614 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
615 offsetof(typeof(kseq), aes_gmac));
617 case WLAN_CIPHER_SUITE_GCMP:
618 case WLAN_CIPHER_SUITE_GCMP_256:
619 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
620 offsetof(typeof(kseq), gcmp));
622 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
623 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
624 drv_get_key_seq(sdata->local, key, &kseq);
625 memcpy(seq, kseq.ccmp.pn, 6);
627 pn64 = atomic64_read(&key->conf.tx_pn);
639 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
641 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
643 drv_get_key_seq(sdata->local, key, &kseq);
644 params.seq = kseq.hw.seq;
645 params.seq_len = kseq.hw.seq_len;
649 params.key = key->conf.key;
650 params.key_len = key->conf.keylen;
652 callback(cookie, ¶ms);
660 static int ieee80211_config_default_key(struct wiphy *wiphy,
661 struct net_device *dev,
662 u8 key_idx, bool uni,
665 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
667 ieee80211_set_default_key(sdata, key_idx, uni, multi);
672 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
673 struct net_device *dev,
676 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
678 ieee80211_set_default_mgmt_key(sdata, key_idx);
683 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
684 struct net_device *dev,
687 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
689 ieee80211_set_default_beacon_key(sdata, key_idx);
694 void sta_set_rate_info_tx(struct sta_info *sta,
695 const struct ieee80211_tx_rate *rate,
696 struct rate_info *rinfo)
699 if (rate->flags & IEEE80211_TX_RC_MCS) {
700 rinfo->flags |= RATE_INFO_FLAGS_MCS;
701 rinfo->mcs = rate->idx;
702 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
703 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
704 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
705 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
707 struct ieee80211_supported_band *sband;
708 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
711 sband = ieee80211_get_sband(sta->sdata);
713 brate = sband->bitrates[rate->idx].bitrate;
714 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
717 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
718 rinfo->bw = RATE_INFO_BW_40;
719 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
720 rinfo->bw = RATE_INFO_BW_80;
721 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
722 rinfo->bw = RATE_INFO_BW_160;
724 rinfo->bw = RATE_INFO_BW_20;
725 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
726 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
729 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
730 int idx, u8 *mac, struct station_info *sinfo)
732 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
733 struct ieee80211_local *local = sdata->local;
734 struct sta_info *sta;
737 mutex_lock(&local->sta_mtx);
739 sta = sta_info_get_by_idx(sdata, idx);
742 memcpy(mac, sta->sta.addr, ETH_ALEN);
743 sta_set_sinfo(sta, sinfo, true);
746 mutex_unlock(&local->sta_mtx);
751 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
752 int idx, struct survey_info *survey)
754 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
756 return drv_get_survey(local, idx, survey);
759 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
760 const u8 *mac, struct station_info *sinfo)
762 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
763 struct ieee80211_local *local = sdata->local;
764 struct sta_info *sta;
767 mutex_lock(&local->sta_mtx);
769 sta = sta_info_get_bss(sdata, mac);
772 sta_set_sinfo(sta, sinfo, true);
775 mutex_unlock(&local->sta_mtx);
780 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
781 struct cfg80211_chan_def *chandef)
783 struct ieee80211_local *local = wiphy_priv(wiphy);
784 struct ieee80211_sub_if_data *sdata;
787 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
790 mutex_lock(&local->mtx);
791 if (local->use_chanctx) {
792 sdata = rtnl_dereference(local->monitor_sdata);
794 ieee80211_vif_release_channel(sdata);
795 ret = ieee80211_vif_use_channel(sdata, chandef,
796 IEEE80211_CHANCTX_EXCLUSIVE);
798 } else if (local->open_count == local->monitors) {
799 local->_oper_chandef = *chandef;
800 ieee80211_hw_config(local, 0);
804 local->monitor_chandef = *chandef;
805 mutex_unlock(&local->mtx);
810 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
811 const u8 *resp, size_t resp_len,
812 const struct ieee80211_csa_settings *csa)
814 struct probe_resp *new, *old;
816 if (!resp || !resp_len)
819 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
821 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
826 memcpy(new->data, resp, resp_len);
829 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
830 csa->n_counter_offsets_presp *
831 sizeof(new->csa_counter_offsets[0]));
833 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
835 kfree_rcu(old, rcu_head);
840 static int ieee80211_set_ftm_responder_params(
841 struct ieee80211_sub_if_data *sdata,
842 const u8 *lci, size_t lci_len,
843 const u8 *civicloc, size_t civicloc_len)
845 struct ieee80211_ftm_responder_params *new, *old;
846 struct ieee80211_bss_conf *bss_conf;
850 if (!lci_len && !civicloc_len)
853 bss_conf = &sdata->vif.bss_conf;
854 old = bss_conf->ftmr_params;
855 len = lci_len + civicloc_len;
857 new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
861 pos = (u8 *)(new + 1);
863 new->lci_len = lci_len;
865 memcpy(pos, lci, lci_len);
870 new->civicloc_len = civicloc_len;
872 memcpy(pos, civicloc, civicloc_len);
876 bss_conf->ftmr_params = new;
882 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
883 struct cfg80211_beacon_data *params,
884 const struct ieee80211_csa_settings *csa)
886 struct beacon_data *new, *old;
887 int new_head_len, new_tail_len;
889 u32 changed = BSS_CHANGED_BEACON;
891 old = sdata_dereference(sdata->u.ap.beacon, sdata);
894 /* Need to have a beacon head if we don't have one yet */
895 if (!params->head && !old)
898 /* new or old head? */
900 new_head_len = params->head_len;
902 new_head_len = old->head_len;
904 /* new or old tail? */
905 if (params->tail || !old)
906 /* params->tail_len will be zero for !params->tail */
907 new_tail_len = params->tail_len;
909 new_tail_len = old->tail_len;
911 size = sizeof(*new) + new_head_len + new_tail_len;
913 new = kzalloc(size, GFP_KERNEL);
917 /* start filling the new info now */
920 * pointers go into the block we allocated,
921 * memory is | beacon_data | head | tail |
923 new->head = ((u8 *) new) + sizeof(*new);
924 new->tail = new->head + new_head_len;
925 new->head_len = new_head_len;
926 new->tail_len = new_tail_len;
929 new->csa_current_counter = csa->count;
930 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
931 csa->n_counter_offsets_beacon *
932 sizeof(new->csa_counter_offsets[0]));
937 memcpy(new->head, params->head, new_head_len);
939 memcpy(new->head, old->head, new_head_len);
941 /* copy in optional tail */
943 memcpy(new->tail, params->tail, new_tail_len);
946 memcpy(new->tail, old->tail, new_tail_len);
948 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
949 params->probe_resp_len, csa);
955 changed |= BSS_CHANGED_AP_PROBE_RESP;
957 if (params->ftm_responder != -1) {
958 sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
959 err = ieee80211_set_ftm_responder_params(sdata,
963 params->civicloc_len);
970 changed |= BSS_CHANGED_FTM_RESPONDER;
973 rcu_assign_pointer(sdata->u.ap.beacon, new);
976 kfree_rcu(old, rcu_head);
981 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
982 struct cfg80211_ap_settings *params)
984 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
985 struct ieee80211_local *local = sdata->local;
986 struct beacon_data *old;
987 struct ieee80211_sub_if_data *vlan;
988 u32 changed = BSS_CHANGED_BEACON_INT |
989 BSS_CHANGED_BEACON_ENABLED |
993 BSS_CHANGED_TXPOWER |
998 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1002 if (params->smps_mode != NL80211_SMPS_OFF)
1005 sdata->smps_mode = IEEE80211_SMPS_OFF;
1007 sdata->needed_rx_chains = sdata->local->rx_chains;
1009 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1010 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1012 if (params->he_cap && params->he_oper) {
1013 sdata->vif.bss_conf.he_support = true;
1014 sdata->vif.bss_conf.htc_trig_based_pkt_ext =
1015 le32_get_bits(params->he_oper->he_oper_params,
1016 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1017 sdata->vif.bss_conf.frame_time_rts_th =
1018 le32_get_bits(params->he_oper->he_oper_params,
1019 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1020 changed |= BSS_CHANGED_HE_OBSS_PD;
1022 if (params->he_bss_color.enabled)
1023 changed |= BSS_CHANGED_HE_BSS_COLOR;
1026 mutex_lock(&local->mtx);
1027 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
1028 IEEE80211_CHANCTX_SHARED);
1030 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1031 mutex_unlock(&local->mtx);
1033 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1038 * Apply control port protocol, this allows us to
1039 * not encrypt dynamic WEP control frames.
1041 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1042 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1043 sdata->control_port_over_nl80211 =
1044 params->crypto.control_port_over_nl80211;
1045 sdata->control_port_no_preauth =
1046 params->crypto.control_port_no_preauth;
1047 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1051 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1052 vlan->control_port_protocol =
1053 params->crypto.control_port_ethertype;
1054 vlan->control_port_no_encrypt =
1055 params->crypto.control_port_no_encrypt;
1056 vlan->control_port_over_nl80211 =
1057 params->crypto.control_port_over_nl80211;
1058 vlan->control_port_no_preauth =
1059 params->crypto.control_port_no_preauth;
1060 vlan->encrypt_headroom =
1061 ieee80211_cs_headroom(sdata->local,
1066 sdata->vif.bss_conf.dtim_period = params->dtim_period;
1067 sdata->vif.bss_conf.enable_beacon = true;
1068 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1069 sdata->vif.bss_conf.twt_responder = params->twt_responder;
1070 memcpy(&sdata->vif.bss_conf.he_obss_pd, ¶ms->he_obss_pd,
1071 sizeof(struct ieee80211_he_obss_pd));
1072 memcpy(&sdata->vif.bss_conf.he_bss_color, ¶ms->he_bss_color,
1073 sizeof(struct ieee80211_he_bss_color));
1075 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1076 if (params->ssid_len)
1077 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1079 sdata->vif.bss_conf.hidden_ssid =
1080 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1082 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1083 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1084 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1085 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1086 if (params->p2p_opp_ps)
1087 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1088 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1090 sdata->beacon_rate_set = false;
1091 if (wiphy_ext_feature_isset(local->hw.wiphy,
1092 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1093 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1094 sdata->beacon_rateidx_mask[i] =
1095 params->beacon_rate.control[i].legacy;
1096 if (sdata->beacon_rateidx_mask[i])
1097 sdata->beacon_rate_set = true;
1101 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
1103 ieee80211_vif_release_channel(sdata);
1108 err = drv_start_ap(sdata->local, sdata);
1110 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1113 kfree_rcu(old, rcu_head);
1114 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1115 ieee80211_vif_release_channel(sdata);
1119 ieee80211_recalc_dtim(local, sdata);
1120 ieee80211_bss_info_change_notify(sdata, changed);
1122 netif_carrier_on(dev);
1123 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1124 netif_carrier_on(vlan->dev);
1129 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1130 struct cfg80211_beacon_data *params)
1132 struct ieee80211_sub_if_data *sdata;
1133 struct beacon_data *old;
1136 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1137 sdata_assert_lock(sdata);
1139 /* don't allow changing the beacon while CSA is in place - offset
1140 * of channel switch counter may change
1142 if (sdata->vif.csa_active)
1145 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1149 err = ieee80211_assign_beacon(sdata, params, NULL);
1152 ieee80211_bss_info_change_notify(sdata, err);
1156 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1158 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1159 struct ieee80211_sub_if_data *vlan;
1160 struct ieee80211_local *local = sdata->local;
1161 struct beacon_data *old_beacon;
1162 struct probe_resp *old_probe_resp;
1163 struct cfg80211_chan_def chandef;
1165 sdata_assert_lock(sdata);
1167 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1170 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1172 /* abort any running channel switch */
1173 mutex_lock(&local->mtx);
1174 sdata->vif.csa_active = false;
1175 if (sdata->csa_block_tx) {
1176 ieee80211_wake_vif_queues(local, sdata,
1177 IEEE80211_QUEUE_STOP_REASON_CSA);
1178 sdata->csa_block_tx = false;
1181 mutex_unlock(&local->mtx);
1183 kfree(sdata->u.ap.next_beacon);
1184 sdata->u.ap.next_beacon = NULL;
1186 /* turn off carrier for this interface and dependent VLANs */
1187 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1188 netif_carrier_off(vlan->dev);
1189 netif_carrier_off(dev);
1191 /* remove beacon and probe response */
1192 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1193 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1194 kfree_rcu(old_beacon, rcu_head);
1196 kfree_rcu(old_probe_resp, rcu_head);
1198 kfree(sdata->vif.bss_conf.ftmr_params);
1199 sdata->vif.bss_conf.ftmr_params = NULL;
1201 __sta_info_flush(sdata, true);
1202 ieee80211_free_keys(sdata, true);
1204 sdata->vif.bss_conf.enable_beacon = false;
1205 sdata->beacon_rate_set = false;
1206 sdata->vif.bss_conf.ssid_len = 0;
1207 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1208 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1210 if (sdata->wdev.cac_started) {
1211 chandef = sdata->vif.bss_conf.chandef;
1212 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1213 cfg80211_cac_event(sdata->dev, &chandef,
1214 NL80211_RADAR_CAC_ABORTED,
1218 drv_stop_ap(sdata->local, sdata);
1220 /* free all potentially still buffered bcast frames */
1221 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1222 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1224 mutex_lock(&local->mtx);
1225 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1226 ieee80211_vif_release_channel(sdata);
1227 mutex_unlock(&local->mtx);
1232 static int sta_apply_auth_flags(struct ieee80211_local *local,
1233 struct sta_info *sta,
1238 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1239 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1240 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1241 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1246 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1247 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1248 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1250 * When peer becomes associated, init rate control as
1251 * well. Some drivers require rate control initialized
1252 * before drv_sta_state() is called.
1254 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1255 rate_control_rate_init(sta);
1257 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1262 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1263 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1264 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1265 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1266 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1273 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1274 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1275 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1276 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1281 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1282 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1283 test_sta_flag(sta, WLAN_STA_AUTH)) {
1284 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1292 static void sta_apply_mesh_params(struct ieee80211_local *local,
1293 struct sta_info *sta,
1294 struct station_parameters *params)
1296 #ifdef CONFIG_MAC80211_MESH
1297 struct ieee80211_sub_if_data *sdata = sta->sdata;
1300 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1301 switch (params->plink_state) {
1302 case NL80211_PLINK_ESTAB:
1303 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1304 changed = mesh_plink_inc_estab_count(sdata);
1305 sta->mesh->plink_state = params->plink_state;
1306 sta->mesh->aid = params->peer_aid;
1308 ieee80211_mps_sta_status_update(sta);
1309 changed |= ieee80211_mps_set_sta_local_pm(sta,
1310 sdata->u.mesh.mshcfg.power_mode);
1312 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1313 /* init at low value */
1314 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1317 case NL80211_PLINK_LISTEN:
1318 case NL80211_PLINK_BLOCKED:
1319 case NL80211_PLINK_OPN_SNT:
1320 case NL80211_PLINK_OPN_RCVD:
1321 case NL80211_PLINK_CNF_RCVD:
1322 case NL80211_PLINK_HOLDING:
1323 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1324 changed = mesh_plink_dec_estab_count(sdata);
1325 sta->mesh->plink_state = params->plink_state;
1327 ieee80211_mps_sta_status_update(sta);
1328 changed |= ieee80211_mps_set_sta_local_pm(sta,
1329 NL80211_MESH_POWER_UNKNOWN);
1337 switch (params->plink_action) {
1338 case NL80211_PLINK_ACTION_NO_ACTION:
1341 case NL80211_PLINK_ACTION_OPEN:
1342 changed |= mesh_plink_open(sta);
1344 case NL80211_PLINK_ACTION_BLOCK:
1345 changed |= mesh_plink_block(sta);
1349 if (params->local_pm)
1350 changed |= ieee80211_mps_set_sta_local_pm(sta,
1353 ieee80211_mbss_info_change_notify(sdata, changed);
1357 static int sta_apply_parameters(struct ieee80211_local *local,
1358 struct sta_info *sta,
1359 struct station_parameters *params)
1362 struct ieee80211_supported_band *sband;
1363 struct ieee80211_sub_if_data *sdata = sta->sdata;
1366 sband = ieee80211_get_sband(sdata);
1370 mask = params->sta_flags_mask;
1371 set = params->sta_flags_set;
1373 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1375 * In mesh mode, ASSOCIATED isn't part of the nl80211
1376 * API but must follow AUTHENTICATED for driver state.
1378 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1379 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1380 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1381 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1382 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1384 * TDLS -- everything follows authorized, but
1385 * only becoming authorized is possible, not
1388 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1389 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1390 BIT(NL80211_STA_FLAG_ASSOCIATED);
1391 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1392 BIT(NL80211_STA_FLAG_ASSOCIATED);
1396 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1397 local->hw.queues >= IEEE80211_NUM_ACS)
1398 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1400 /* auth flags will be set later for TDLS,
1401 * and for unassociated stations that move to assocaited */
1402 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1403 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1404 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1405 ret = sta_apply_auth_flags(local, sta, mask, set);
1410 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1411 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1412 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1414 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1417 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1418 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1419 if (set & BIT(NL80211_STA_FLAG_MFP))
1420 set_sta_flag(sta, WLAN_STA_MFP);
1422 clear_sta_flag(sta, WLAN_STA_MFP);
1425 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1426 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1427 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1429 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1432 /* mark TDLS channel switch support, if the AP allows it */
1433 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1434 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1435 params->ext_capab_len >= 4 &&
1436 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1437 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1439 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1440 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1441 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1442 params->ext_capab_len >= 8 &&
1443 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1444 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1446 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1447 sta->sta.uapsd_queues = params->uapsd_queues;
1448 sta->sta.max_sp = params->max_sp;
1451 /* The sender might not have sent the last bit, consider it to be 0 */
1452 if (params->ext_capab_len >= 8) {
1453 u8 val = (params->ext_capab[7] &
1454 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1456 /* we did get all the bits, take the MSB as well */
1457 if (params->ext_capab_len >= 9) {
1458 u8 val_msb = params->ext_capab[8] &
1459 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1466 sta->sta.max_amsdu_subframes = 32;
1469 sta->sta.max_amsdu_subframes = 16;
1472 sta->sta.max_amsdu_subframes = 8;
1475 sta->sta.max_amsdu_subframes = 0;
1480 * cfg80211 validates this (1-2007) and allows setting the AID
1481 * only when creating a new station entry
1484 sta->sta.aid = params->aid;
1487 * Some of the following updates would be racy if called on an
1488 * existing station, via ieee80211_change_station(). However,
1489 * all such changes are rejected by cfg80211 except for updates
1490 * changing the supported rates on an existing but not yet used
1494 if (params->listen_interval >= 0)
1495 sta->listen_interval = params->listen_interval;
1497 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1498 sta->sta.txpwr.type = params->txpwr.type;
1499 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1500 sta->sta.txpwr.power = params->txpwr.power;
1501 ret = drv_sta_set_txpwr(local, sdata, sta);
1506 if (params->supported_rates && params->supported_rates_len) {
1507 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1508 sband, params->supported_rates,
1509 params->supported_rates_len,
1510 &sta->sta.supp_rates[sband->band]);
1513 if (params->ht_capa)
1514 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1515 params->ht_capa, sta);
1517 /* VHT can override some HT caps such as the A-MSDU max length */
1518 if (params->vht_capa)
1519 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1520 params->vht_capa, sta);
1522 if (params->he_capa)
1523 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1524 (void *)params->he_capa,
1525 params->he_capa_len,
1526 (void *)params->he_6ghz_capa,
1529 if (params->opmode_notif_used) {
1530 /* returned value is only needed for rc update, but the
1531 * rc isn't initialized here yet, so ignore it
1533 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1537 if (params->support_p2p_ps >= 0)
1538 sta->sta.support_p2p_ps = params->support_p2p_ps;
1540 if (ieee80211_vif_is_mesh(&sdata->vif))
1541 sta_apply_mesh_params(local, sta, params);
1543 if (params->airtime_weight)
1544 sta->airtime_weight = params->airtime_weight;
1546 /* set the STA state after all sta info from usermode has been set */
1547 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1548 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1549 ret = sta_apply_auth_flags(local, sta, mask, set);
1557 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1559 struct station_parameters *params)
1561 struct ieee80211_local *local = wiphy_priv(wiphy);
1562 struct sta_info *sta;
1563 struct ieee80211_sub_if_data *sdata;
1567 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1569 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1570 sdata->vif.type != NL80211_IFTYPE_AP)
1573 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1575 if (ether_addr_equal(mac, sdata->vif.addr))
1578 if (!is_valid_ether_addr(mac))
1581 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1582 sdata->vif.type == NL80211_IFTYPE_STATION &&
1583 !sdata->u.mgd.associated)
1586 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1590 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1591 sta->sta.tdls = true;
1593 err = sta_apply_parameters(local, sta, params);
1595 sta_info_free(local, sta);
1600 * for TDLS and for unassociated station, rate control should be
1601 * initialized only when rates are known and station is marked
1602 * authorized/associated
1604 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1605 test_sta_flag(sta, WLAN_STA_ASSOC))
1606 rate_control_rate_init(sta);
1608 err = sta_info_insert_rcu(sta);
1619 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1620 struct station_del_parameters *params)
1622 struct ieee80211_sub_if_data *sdata;
1624 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1627 return sta_info_destroy_addr_bss(sdata, params->mac);
1629 sta_info_flush(sdata);
1633 static int ieee80211_change_station(struct wiphy *wiphy,
1634 struct net_device *dev, const u8 *mac,
1635 struct station_parameters *params)
1637 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1638 struct ieee80211_local *local = wiphy_priv(wiphy);
1639 struct sta_info *sta;
1640 struct ieee80211_sub_if_data *vlansdata;
1641 enum cfg80211_station_type statype;
1644 mutex_lock(&local->sta_mtx);
1646 sta = sta_info_get_bss(sdata, mac);
1652 switch (sdata->vif.type) {
1653 case NL80211_IFTYPE_MESH_POINT:
1654 if (sdata->u.mesh.user_mpm)
1655 statype = CFG80211_STA_MESH_PEER_USER;
1657 statype = CFG80211_STA_MESH_PEER_KERNEL;
1659 case NL80211_IFTYPE_ADHOC:
1660 statype = CFG80211_STA_IBSS;
1662 case NL80211_IFTYPE_STATION:
1663 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1664 statype = CFG80211_STA_AP_STA;
1667 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1668 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1670 statype = CFG80211_STA_TDLS_PEER_SETUP;
1672 case NL80211_IFTYPE_AP:
1673 case NL80211_IFTYPE_AP_VLAN:
1674 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1675 statype = CFG80211_STA_AP_CLIENT;
1677 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1684 err = cfg80211_check_station_change(wiphy, params, statype);
1688 if (params->vlan && params->vlan != sta->sdata->dev) {
1689 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1691 if (params->vlan->ieee80211_ptr->use_4addr) {
1692 if (vlansdata->u.vlan.sta) {
1697 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1698 __ieee80211_check_fast_rx_iface(vlansdata);
1701 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1702 sta->sdata->u.vlan.sta)
1703 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1705 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1706 ieee80211_vif_dec_num_mcast(sta->sdata);
1708 sta->sdata = vlansdata;
1709 ieee80211_check_fast_xmit(sta);
1711 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1712 ieee80211_vif_inc_num_mcast(sta->sdata);
1713 cfg80211_send_layer2_update(sta->sdata->dev,
1718 err = sta_apply_parameters(local, sta, params);
1722 mutex_unlock(&local->sta_mtx);
1724 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1725 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1726 ieee80211_recalc_ps(local);
1727 ieee80211_recalc_ps_vif(sdata);
1732 mutex_unlock(&local->sta_mtx);
1736 #ifdef CONFIG_MAC80211_MESH
1737 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1738 const u8 *dst, const u8 *next_hop)
1740 struct ieee80211_sub_if_data *sdata;
1741 struct mesh_path *mpath;
1742 struct sta_info *sta;
1744 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1747 sta = sta_info_get(sdata, next_hop);
1753 mpath = mesh_path_add(sdata, dst);
1754 if (IS_ERR(mpath)) {
1756 return PTR_ERR(mpath);
1759 mesh_path_fix_nexthop(mpath, sta);
1765 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1768 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1771 return mesh_path_del(sdata, dst);
1773 mesh_path_flush_by_iface(sdata);
1777 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1778 const u8 *dst, const u8 *next_hop)
1780 struct ieee80211_sub_if_data *sdata;
1781 struct mesh_path *mpath;
1782 struct sta_info *sta;
1784 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1788 sta = sta_info_get(sdata, next_hop);
1794 mpath = mesh_path_lookup(sdata, dst);
1800 mesh_path_fix_nexthop(mpath, sta);
1806 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1807 struct mpath_info *pinfo)
1809 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1812 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1814 eth_zero_addr(next_hop);
1816 memset(pinfo, 0, sizeof(*pinfo));
1818 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1820 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1823 MPATH_INFO_EXPTIME |
1824 MPATH_INFO_DISCOVERY_TIMEOUT |
1825 MPATH_INFO_DISCOVERY_RETRIES |
1827 MPATH_INFO_HOP_COUNT |
1828 MPATH_INFO_PATH_CHANGE;
1830 pinfo->frame_qlen = mpath->frame_queue.qlen;
1831 pinfo->sn = mpath->sn;
1832 pinfo->metric = mpath->metric;
1833 if (time_before(jiffies, mpath->exp_time))
1834 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1835 pinfo->discovery_timeout =
1836 jiffies_to_msecs(mpath->discovery_timeout);
1837 pinfo->discovery_retries = mpath->discovery_retries;
1838 if (mpath->flags & MESH_PATH_ACTIVE)
1839 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1840 if (mpath->flags & MESH_PATH_RESOLVING)
1841 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1842 if (mpath->flags & MESH_PATH_SN_VALID)
1843 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1844 if (mpath->flags & MESH_PATH_FIXED)
1845 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1846 if (mpath->flags & MESH_PATH_RESOLVED)
1847 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1848 pinfo->hop_count = mpath->hop_count;
1849 pinfo->path_change_count = mpath->path_change_count;
1852 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1853 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1856 struct ieee80211_sub_if_data *sdata;
1857 struct mesh_path *mpath;
1859 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1862 mpath = mesh_path_lookup(sdata, dst);
1867 memcpy(dst, mpath->dst, ETH_ALEN);
1868 mpath_set_pinfo(mpath, next_hop, pinfo);
1873 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1874 int idx, u8 *dst, u8 *next_hop,
1875 struct mpath_info *pinfo)
1877 struct ieee80211_sub_if_data *sdata;
1878 struct mesh_path *mpath;
1880 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1883 mpath = mesh_path_lookup_by_idx(sdata, idx);
1888 memcpy(dst, mpath->dst, ETH_ALEN);
1889 mpath_set_pinfo(mpath, next_hop, pinfo);
1894 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1895 struct mpath_info *pinfo)
1897 memset(pinfo, 0, sizeof(*pinfo));
1898 memcpy(mpp, mpath->mpp, ETH_ALEN);
1900 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1903 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1904 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1907 struct ieee80211_sub_if_data *sdata;
1908 struct mesh_path *mpath;
1910 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1913 mpath = mpp_path_lookup(sdata, dst);
1918 memcpy(dst, mpath->dst, ETH_ALEN);
1919 mpp_set_pinfo(mpath, mpp, pinfo);
1924 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1925 int idx, u8 *dst, u8 *mpp,
1926 struct mpath_info *pinfo)
1928 struct ieee80211_sub_if_data *sdata;
1929 struct mesh_path *mpath;
1931 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1934 mpath = mpp_path_lookup_by_idx(sdata, idx);
1939 memcpy(dst, mpath->dst, ETH_ALEN);
1940 mpp_set_pinfo(mpath, mpp, pinfo);
1945 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1946 struct net_device *dev,
1947 struct mesh_config *conf)
1949 struct ieee80211_sub_if_data *sdata;
1950 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1952 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1956 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1958 return (mask >> (parm-1)) & 0x1;
1961 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1962 const struct mesh_setup *setup)
1966 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1967 struct ieee80211_sub_if_data, u.mesh);
1970 /* allocate information elements */
1974 if (setup->ie_len) {
1975 new_ie = kmemdup(setup->ie, setup->ie_len,
1980 ifmsh->ie_len = setup->ie_len;
1984 /* now copy the rest of the setup parameters */
1985 ifmsh->mesh_id_len = setup->mesh_id_len;
1986 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1987 ifmsh->mesh_sp_id = setup->sync_method;
1988 ifmsh->mesh_pp_id = setup->path_sel_proto;
1989 ifmsh->mesh_pm_id = setup->path_metric;
1990 ifmsh->user_mpm = setup->user_mpm;
1991 ifmsh->mesh_auth_id = setup->auth_id;
1992 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1993 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1994 if (setup->is_authenticated)
1995 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1996 if (setup->is_secure)
1997 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1999 /* mcast rate setting in Mesh Node */
2000 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2001 sizeof(setup->mcast_rate));
2002 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2004 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2005 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2007 sdata->beacon_rate_set = false;
2008 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2009 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2010 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2011 sdata->beacon_rateidx_mask[i] =
2012 setup->beacon_rate.control[i].legacy;
2013 if (sdata->beacon_rateidx_mask[i])
2014 sdata->beacon_rate_set = true;
2021 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2022 struct net_device *dev, u32 mask,
2023 const struct mesh_config *nconf)
2025 struct mesh_config *conf;
2026 struct ieee80211_sub_if_data *sdata;
2027 struct ieee80211_if_mesh *ifmsh;
2029 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2030 ifmsh = &sdata->u.mesh;
2032 /* Set the config options which we are interested in setting */
2033 conf = &(sdata->u.mesh.mshcfg);
2034 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2035 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2036 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2037 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2038 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2039 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2040 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2041 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2042 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2043 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2044 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2045 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2046 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2047 conf->element_ttl = nconf->element_ttl;
2048 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2049 if (ifmsh->user_mpm)
2051 conf->auto_open_plinks = nconf->auto_open_plinks;
2053 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2054 conf->dot11MeshNbrOffsetMaxNeighbor =
2055 nconf->dot11MeshNbrOffsetMaxNeighbor;
2056 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2057 conf->dot11MeshHWMPmaxPREQretries =
2058 nconf->dot11MeshHWMPmaxPREQretries;
2059 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2060 conf->path_refresh_time = nconf->path_refresh_time;
2061 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2062 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2063 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2064 conf->dot11MeshHWMPactivePathTimeout =
2065 nconf->dot11MeshHWMPactivePathTimeout;
2066 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2067 conf->dot11MeshHWMPpreqMinInterval =
2068 nconf->dot11MeshHWMPpreqMinInterval;
2069 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2070 conf->dot11MeshHWMPperrMinInterval =
2071 nconf->dot11MeshHWMPperrMinInterval;
2072 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2074 conf->dot11MeshHWMPnetDiameterTraversalTime =
2075 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2076 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2077 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2078 ieee80211_mesh_root_setup(ifmsh);
2080 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2081 /* our current gate announcement implementation rides on root
2082 * announcements, so require this ifmsh to also be a root node
2084 if (nconf->dot11MeshGateAnnouncementProtocol &&
2085 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2086 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2087 ieee80211_mesh_root_setup(ifmsh);
2089 conf->dot11MeshGateAnnouncementProtocol =
2090 nconf->dot11MeshGateAnnouncementProtocol;
2092 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2093 conf->dot11MeshHWMPRannInterval =
2094 nconf->dot11MeshHWMPRannInterval;
2095 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2096 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2097 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2098 /* our RSSI threshold implementation is supported only for
2099 * devices that report signal in dBm.
2101 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2103 conf->rssi_threshold = nconf->rssi_threshold;
2105 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2106 conf->ht_opmode = nconf->ht_opmode;
2107 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2108 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2110 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2111 conf->dot11MeshHWMPactivePathToRootTimeout =
2112 nconf->dot11MeshHWMPactivePathToRootTimeout;
2113 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2114 conf->dot11MeshHWMProotInterval =
2115 nconf->dot11MeshHWMProotInterval;
2116 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2117 conf->dot11MeshHWMPconfirmationInterval =
2118 nconf->dot11MeshHWMPconfirmationInterval;
2119 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2120 conf->power_mode = nconf->power_mode;
2121 ieee80211_mps_local_status_update(sdata);
2123 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2124 conf->dot11MeshAwakeWindowDuration =
2125 nconf->dot11MeshAwakeWindowDuration;
2126 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2127 conf->plink_timeout = nconf->plink_timeout;
2128 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2129 conf->dot11MeshConnectedToMeshGate =
2130 nconf->dot11MeshConnectedToMeshGate;
2131 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
2132 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2133 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2134 conf->dot11MeshConnectedToAuthServer =
2135 nconf->dot11MeshConnectedToAuthServer;
2136 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2140 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2141 const struct mesh_config *conf,
2142 const struct mesh_setup *setup)
2144 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2145 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2148 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2149 err = copy_mesh_setup(ifmsh, setup);
2153 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2155 /* can mesh use other SMPS modes? */
2156 sdata->smps_mode = IEEE80211_SMPS_OFF;
2157 sdata->needed_rx_chains = sdata->local->rx_chains;
2159 mutex_lock(&sdata->local->mtx);
2160 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2161 IEEE80211_CHANCTX_SHARED);
2162 mutex_unlock(&sdata->local->mtx);
2166 return ieee80211_start_mesh(sdata);
2169 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2171 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2173 ieee80211_stop_mesh(sdata);
2174 mutex_lock(&sdata->local->mtx);
2175 ieee80211_vif_release_channel(sdata);
2176 kfree(sdata->u.mesh.ie);
2177 mutex_unlock(&sdata->local->mtx);
2183 static int ieee80211_change_bss(struct wiphy *wiphy,
2184 struct net_device *dev,
2185 struct bss_parameters *params)
2187 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2188 struct ieee80211_supported_band *sband;
2191 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2194 sband = ieee80211_get_sband(sdata);
2198 if (params->use_cts_prot >= 0) {
2199 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2200 changed |= BSS_CHANGED_ERP_CTS_PROT;
2202 if (params->use_short_preamble >= 0) {
2203 sdata->vif.bss_conf.use_short_preamble =
2204 params->use_short_preamble;
2205 changed |= BSS_CHANGED_ERP_PREAMBLE;
2208 if (!sdata->vif.bss_conf.use_short_slot &&
2209 (sband->band == NL80211_BAND_5GHZ ||
2210 sband->band == NL80211_BAND_6GHZ)) {
2211 sdata->vif.bss_conf.use_short_slot = true;
2212 changed |= BSS_CHANGED_ERP_SLOT;
2215 if (params->use_short_slot_time >= 0) {
2216 sdata->vif.bss_conf.use_short_slot =
2217 params->use_short_slot_time;
2218 changed |= BSS_CHANGED_ERP_SLOT;
2221 if (params->basic_rates) {
2222 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2223 wiphy->bands[sband->band],
2224 params->basic_rates,
2225 params->basic_rates_len,
2226 &sdata->vif.bss_conf.basic_rates);
2227 changed |= BSS_CHANGED_BASIC_RATES;
2228 ieee80211_check_rate_mask(sdata);
2231 if (params->ap_isolate >= 0) {
2232 if (params->ap_isolate)
2233 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2235 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2236 ieee80211_check_fast_rx_iface(sdata);
2239 if (params->ht_opmode >= 0) {
2240 sdata->vif.bss_conf.ht_operation_mode =
2241 (u16) params->ht_opmode;
2242 changed |= BSS_CHANGED_HT;
2245 if (params->p2p_ctwindow >= 0) {
2246 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2247 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2248 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2249 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2250 changed |= BSS_CHANGED_P2P_PS;
2253 if (params->p2p_opp_ps > 0) {
2254 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2255 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2256 changed |= BSS_CHANGED_P2P_PS;
2257 } else if (params->p2p_opp_ps == 0) {
2258 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2259 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2260 changed |= BSS_CHANGED_P2P_PS;
2263 ieee80211_bss_info_change_notify(sdata, changed);
2268 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2269 struct net_device *dev,
2270 struct ieee80211_txq_params *params)
2272 struct ieee80211_local *local = wiphy_priv(wiphy);
2273 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2274 struct ieee80211_tx_queue_params p;
2276 if (!local->ops->conf_tx)
2279 if (local->hw.queues < IEEE80211_NUM_ACS)
2282 memset(&p, 0, sizeof(p));
2283 p.aifs = params->aifs;
2284 p.cw_max = params->cwmax;
2285 p.cw_min = params->cwmin;
2286 p.txop = params->txop;
2289 * Setting tx queue params disables u-apsd because it's only
2290 * called in master mode.
2294 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2296 sdata->tx_conf[params->ac] = p;
2297 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2298 wiphy_debug(local->hw.wiphy,
2299 "failed to set TX queue parameters for AC %d\n",
2304 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2310 static int ieee80211_suspend(struct wiphy *wiphy,
2311 struct cfg80211_wowlan *wowlan)
2313 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2316 static int ieee80211_resume(struct wiphy *wiphy)
2318 return __ieee80211_resume(wiphy_priv(wiphy));
2321 #define ieee80211_suspend NULL
2322 #define ieee80211_resume NULL
2325 static int ieee80211_scan(struct wiphy *wiphy,
2326 struct cfg80211_scan_request *req)
2328 struct ieee80211_sub_if_data *sdata;
2330 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2332 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2333 case NL80211_IFTYPE_STATION:
2334 case NL80211_IFTYPE_ADHOC:
2335 case NL80211_IFTYPE_MESH_POINT:
2336 case NL80211_IFTYPE_P2P_CLIENT:
2337 case NL80211_IFTYPE_P2P_DEVICE:
2339 case NL80211_IFTYPE_P2P_GO:
2340 if (sdata->local->ops->hw_scan)
2343 * FIXME: implement NoA while scanning in software,
2344 * for now fall through to allow scanning only when
2345 * beaconing hasn't been configured yet
2348 case NL80211_IFTYPE_AP:
2350 * If the scan has been forced (and the driver supports
2351 * forcing), don't care about being beaconing already.
2352 * This will create problems to the attached stations (e.g. all
2353 * the frames sent while scanning on other channel will be
2356 if (sdata->u.ap.beacon &&
2357 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2358 !(req->flags & NL80211_SCAN_FLAG_AP)))
2361 case NL80211_IFTYPE_NAN:
2366 return ieee80211_request_scan(sdata, req);
2369 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2371 ieee80211_scan_cancel(wiphy_priv(wiphy));
2375 ieee80211_sched_scan_start(struct wiphy *wiphy,
2376 struct net_device *dev,
2377 struct cfg80211_sched_scan_request *req)
2379 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2381 if (!sdata->local->ops->sched_scan_start)
2384 return ieee80211_request_sched_scan_start(sdata, req);
2388 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2391 struct ieee80211_local *local = wiphy_priv(wiphy);
2393 if (!local->ops->sched_scan_stop)
2396 return ieee80211_request_sched_scan_stop(local);
2399 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2400 struct cfg80211_auth_request *req)
2402 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2405 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2406 struct cfg80211_assoc_request *req)
2408 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2411 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2412 struct cfg80211_deauth_request *req)
2414 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2417 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2418 struct cfg80211_disassoc_request *req)
2420 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2423 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2424 struct cfg80211_ibss_params *params)
2426 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2429 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2431 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2434 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2435 struct ocb_setup *setup)
2437 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2440 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2442 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2445 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2446 int rate[NUM_NL80211_BANDS])
2448 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2450 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2451 sizeof(int) * NUM_NL80211_BANDS);
2453 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2458 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2460 struct ieee80211_local *local = wiphy_priv(wiphy);
2463 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2464 ieee80211_check_fast_xmit_all(local);
2466 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2469 ieee80211_check_fast_xmit_all(local);
2474 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2475 (changed & WIPHY_PARAM_DYN_ACK)) {
2478 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2479 wiphy->coverage_class : -1;
2480 err = drv_set_coverage_class(local, coverage_class);
2486 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2487 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2493 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2494 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2496 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2498 if (changed & WIPHY_PARAM_RETRY_LONG) {
2499 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2501 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2504 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2505 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2507 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2508 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2509 WIPHY_PARAM_TXQ_QUANTUM))
2510 ieee80211_txq_set_params(local);
2515 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2516 struct wireless_dev *wdev,
2517 enum nl80211_tx_power_setting type, int mbm)
2519 struct ieee80211_local *local = wiphy_priv(wiphy);
2520 struct ieee80211_sub_if_data *sdata;
2521 enum nl80211_tx_power_setting txp_type = type;
2522 bool update_txp_type = false;
2523 bool has_monitor = false;
2526 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2528 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2529 sdata = rtnl_dereference(local->monitor_sdata);
2535 case NL80211_TX_POWER_AUTOMATIC:
2536 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2537 txp_type = NL80211_TX_POWER_LIMITED;
2539 case NL80211_TX_POWER_LIMITED:
2540 case NL80211_TX_POWER_FIXED:
2541 if (mbm < 0 || (mbm % 100))
2543 sdata->user_power_level = MBM_TO_DBM(mbm);
2547 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2548 update_txp_type = true;
2549 sdata->vif.bss_conf.txpower_type = txp_type;
2552 ieee80211_recalc_txpower(sdata, update_txp_type);
2558 case NL80211_TX_POWER_AUTOMATIC:
2559 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2560 txp_type = NL80211_TX_POWER_LIMITED;
2562 case NL80211_TX_POWER_LIMITED:
2563 case NL80211_TX_POWER_FIXED:
2564 if (mbm < 0 || (mbm % 100))
2566 local->user_power_level = MBM_TO_DBM(mbm);
2570 mutex_lock(&local->iflist_mtx);
2571 list_for_each_entry(sdata, &local->interfaces, list) {
2572 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2576 sdata->user_power_level = local->user_power_level;
2577 if (txp_type != sdata->vif.bss_conf.txpower_type)
2578 update_txp_type = true;
2579 sdata->vif.bss_conf.txpower_type = txp_type;
2581 list_for_each_entry(sdata, &local->interfaces, list) {
2582 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2584 ieee80211_recalc_txpower(sdata, update_txp_type);
2586 mutex_unlock(&local->iflist_mtx);
2589 sdata = rtnl_dereference(local->monitor_sdata);
2591 sdata->user_power_level = local->user_power_level;
2592 if (txp_type != sdata->vif.bss_conf.txpower_type)
2593 update_txp_type = true;
2594 sdata->vif.bss_conf.txpower_type = txp_type;
2596 ieee80211_recalc_txpower(sdata, update_txp_type);
2603 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2604 struct wireless_dev *wdev,
2607 struct ieee80211_local *local = wiphy_priv(wiphy);
2608 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2610 if (local->ops->get_txpower)
2611 return drv_get_txpower(local, sdata, dbm);
2613 if (!local->use_chanctx)
2614 *dbm = local->hw.conf.power_level;
2616 *dbm = sdata->vif.bss_conf.txpower;
2621 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2624 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2626 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2631 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2633 struct ieee80211_local *local = wiphy_priv(wiphy);
2635 drv_rfkill_poll(local);
2638 #ifdef CONFIG_NL80211_TESTMODE
2639 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2640 struct wireless_dev *wdev,
2641 void *data, int len)
2643 struct ieee80211_local *local = wiphy_priv(wiphy);
2644 struct ieee80211_vif *vif = NULL;
2646 if (!local->ops->testmode_cmd)
2650 struct ieee80211_sub_if_data *sdata;
2652 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2653 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2657 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2660 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2661 struct sk_buff *skb,
2662 struct netlink_callback *cb,
2663 void *data, int len)
2665 struct ieee80211_local *local = wiphy_priv(wiphy);
2667 if (!local->ops->testmode_dump)
2670 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2674 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2675 enum ieee80211_smps_mode smps_mode)
2678 enum ieee80211_smps_mode old_req;
2680 struct sta_info *sta;
2681 bool tdls_peer_found = false;
2683 lockdep_assert_held(&sdata->wdev.mtx);
2685 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2688 old_req = sdata->u.mgd.req_smps;
2689 sdata->u.mgd.req_smps = smps_mode;
2691 if (old_req == smps_mode &&
2692 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2696 * If not associated, or current association is not an HT
2697 * association, there's no need to do anything, just store
2698 * the new value until we associate.
2700 if (!sdata->u.mgd.associated ||
2701 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2704 ap = sdata->u.mgd.associated->bssid;
2707 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2708 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2709 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2712 tdls_peer_found = true;
2717 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2718 if (tdls_peer_found || !sdata->u.mgd.powersave)
2719 smps_mode = IEEE80211_SMPS_OFF;
2721 smps_mode = IEEE80211_SMPS_DYNAMIC;
2724 /* send SM PS frame to AP */
2725 err = ieee80211_send_smps_action(sdata, smps_mode,
2728 sdata->u.mgd.req_smps = old_req;
2729 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2730 ieee80211_teardown_tdls_peers(sdata);
2735 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2736 bool enabled, int timeout)
2738 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2739 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2741 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2744 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2747 if (enabled == sdata->u.mgd.powersave &&
2748 timeout == local->dynamic_ps_forced_timeout)
2751 sdata->u.mgd.powersave = enabled;
2752 local->dynamic_ps_forced_timeout = timeout;
2754 /* no change, but if automatic follow powersave */
2756 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2757 sdata_unlock(sdata);
2759 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2760 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2762 ieee80211_recalc_ps(local);
2763 ieee80211_recalc_ps_vif(sdata);
2764 ieee80211_check_fast_rx_iface(sdata);
2769 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2770 struct net_device *dev,
2771 s32 rssi_thold, u32 rssi_hyst)
2773 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2774 struct ieee80211_vif *vif = &sdata->vif;
2775 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2777 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2778 rssi_hyst == bss_conf->cqm_rssi_hyst)
2781 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2782 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2785 bss_conf->cqm_rssi_thold = rssi_thold;
2786 bss_conf->cqm_rssi_hyst = rssi_hyst;
2787 bss_conf->cqm_rssi_low = 0;
2788 bss_conf->cqm_rssi_high = 0;
2789 sdata->u.mgd.last_cqm_event_signal = 0;
2791 /* tell the driver upon association, unless already associated */
2792 if (sdata->u.mgd.associated &&
2793 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2794 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2799 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2800 struct net_device *dev,
2801 s32 rssi_low, s32 rssi_high)
2803 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2804 struct ieee80211_vif *vif = &sdata->vif;
2805 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2807 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2810 bss_conf->cqm_rssi_low = rssi_low;
2811 bss_conf->cqm_rssi_high = rssi_high;
2812 bss_conf->cqm_rssi_thold = 0;
2813 bss_conf->cqm_rssi_hyst = 0;
2814 sdata->u.mgd.last_cqm_event_signal = 0;
2816 /* tell the driver upon association, unless already associated */
2817 if (sdata->u.mgd.associated &&
2818 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2819 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2824 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2825 struct net_device *dev,
2827 const struct cfg80211_bitrate_mask *mask)
2829 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2830 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2833 if (!ieee80211_sdata_running(sdata))
2837 * If active validate the setting and reject it if it doesn't leave
2838 * at least one basic rate usable, since we really have to be able
2839 * to send something, and if we're an AP we have to be able to do
2840 * so at a basic rate so that all clients can receive it.
2842 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2843 sdata->vif.bss_conf.chandef.chan) {
2844 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2845 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2847 if (!(mask->control[band].legacy & basic_rates))
2851 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2852 ret = drv_set_bitrate_mask(local, sdata, mask);
2857 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2858 struct ieee80211_supported_band *sband = wiphy->bands[i];
2861 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2862 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2863 sizeof(mask->control[i].ht_mcs));
2864 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2865 mask->control[i].vht_mcs,
2866 sizeof(mask->control[i].vht_mcs));
2868 sdata->rc_has_mcs_mask[i] = false;
2869 sdata->rc_has_vht_mcs_mask[i] = false;
2873 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2874 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2875 sdata->rc_has_mcs_mask[i] = true;
2880 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2881 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2882 sdata->rc_has_vht_mcs_mask[i] = true;
2891 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2892 struct net_device *dev,
2893 struct cfg80211_chan_def *chandef,
2896 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2897 struct ieee80211_local *local = sdata->local;
2900 mutex_lock(&local->mtx);
2901 if (!list_empty(&local->roc_list) || local->scanning) {
2906 /* whatever, but channel contexts should not complain about that one */
2907 sdata->smps_mode = IEEE80211_SMPS_OFF;
2908 sdata->needed_rx_chains = local->rx_chains;
2910 err = ieee80211_vif_use_channel(sdata, chandef,
2911 IEEE80211_CHANCTX_SHARED);
2915 ieee80211_queue_delayed_work(&sdata->local->hw,
2916 &sdata->dfs_cac_timer_work,
2917 msecs_to_jiffies(cac_time_ms));
2920 mutex_unlock(&local->mtx);
2924 static void ieee80211_end_cac(struct wiphy *wiphy,
2925 struct net_device *dev)
2927 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2928 struct ieee80211_local *local = sdata->local;
2930 mutex_lock(&local->mtx);
2931 list_for_each_entry(sdata, &local->interfaces, list) {
2932 /* it might be waiting for the local->mtx, but then
2933 * by the time it gets it, sdata->wdev.cac_started
2934 * will no longer be true
2936 cancel_delayed_work(&sdata->dfs_cac_timer_work);
2938 if (sdata->wdev.cac_started) {
2939 ieee80211_vif_release_channel(sdata);
2940 sdata->wdev.cac_started = false;
2943 mutex_unlock(&local->mtx);
2946 static struct cfg80211_beacon_data *
2947 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2949 struct cfg80211_beacon_data *new_beacon;
2953 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2954 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2955 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
2957 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2961 pos = (u8 *)(new_beacon + 1);
2962 if (beacon->head_len) {
2963 new_beacon->head_len = beacon->head_len;
2964 new_beacon->head = pos;
2965 memcpy(pos, beacon->head, beacon->head_len);
2966 pos += beacon->head_len;
2968 if (beacon->tail_len) {
2969 new_beacon->tail_len = beacon->tail_len;
2970 new_beacon->tail = pos;
2971 memcpy(pos, beacon->tail, beacon->tail_len);
2972 pos += beacon->tail_len;
2974 if (beacon->beacon_ies_len) {
2975 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2976 new_beacon->beacon_ies = pos;
2977 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2978 pos += beacon->beacon_ies_len;
2980 if (beacon->proberesp_ies_len) {
2981 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2982 new_beacon->proberesp_ies = pos;
2983 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2984 pos += beacon->proberesp_ies_len;
2986 if (beacon->assocresp_ies_len) {
2987 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2988 new_beacon->assocresp_ies = pos;
2989 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2990 pos += beacon->assocresp_ies_len;
2992 if (beacon->probe_resp_len) {
2993 new_beacon->probe_resp_len = beacon->probe_resp_len;
2994 new_beacon->probe_resp = pos;
2995 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2996 pos += beacon->probe_resp_len;
2999 /* might copy -1, meaning no changes requested */
3000 new_beacon->ftm_responder = beacon->ftm_responder;
3002 new_beacon->lci_len = beacon->lci_len;
3003 new_beacon->lci = pos;
3004 memcpy(pos, beacon->lci, beacon->lci_len);
3005 pos += beacon->lci_len;
3007 if (beacon->civicloc) {
3008 new_beacon->civicloc_len = beacon->civicloc_len;
3009 new_beacon->civicloc = pos;
3010 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3011 pos += beacon->civicloc_len;
3017 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3019 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3021 ieee80211_queue_work(&sdata->local->hw,
3022 &sdata->csa_finalize_work);
3024 EXPORT_SYMBOL(ieee80211_csa_finish);
3026 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3031 switch (sdata->vif.type) {
3032 case NL80211_IFTYPE_AP:
3033 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3035 kfree(sdata->u.ap.next_beacon);
3036 sdata->u.ap.next_beacon = NULL;
3042 case NL80211_IFTYPE_ADHOC:
3043 err = ieee80211_ibss_finish_csa(sdata);
3048 #ifdef CONFIG_MAC80211_MESH
3049 case NL80211_IFTYPE_MESH_POINT:
3050 err = ieee80211_mesh_finish_csa(sdata);
3064 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3066 struct ieee80211_local *local = sdata->local;
3070 sdata_assert_lock(sdata);
3071 lockdep_assert_held(&local->mtx);
3072 lockdep_assert_held(&local->chanctx_mtx);
3075 * using reservation isn't immediate as it may be deferred until later
3076 * with multi-vif. once reservation is complete it will re-schedule the
3077 * work with no reserved_chanctx so verify chandef to check if it
3078 * completed successfully
3081 if (sdata->reserved_chanctx) {
3083 * with multi-vif csa driver may call ieee80211_csa_finish()
3084 * many times while waiting for other interfaces to use their
3087 if (sdata->reserved_ready)
3090 return ieee80211_vif_use_reserved_context(sdata);
3093 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3094 &sdata->csa_chandef))
3097 sdata->vif.csa_active = false;
3099 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3103 ieee80211_bss_info_change_notify(sdata, changed);
3105 if (sdata->csa_block_tx) {
3106 ieee80211_wake_vif_queues(local, sdata,
3107 IEEE80211_QUEUE_STOP_REASON_CSA);
3108 sdata->csa_block_tx = false;
3111 err = drv_post_channel_switch(sdata);
3115 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3120 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3122 if (__ieee80211_csa_finalize(sdata)) {
3123 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3124 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3129 void ieee80211_csa_finalize_work(struct work_struct *work)
3131 struct ieee80211_sub_if_data *sdata =
3132 container_of(work, struct ieee80211_sub_if_data,
3134 struct ieee80211_local *local = sdata->local;
3137 mutex_lock(&local->mtx);
3138 mutex_lock(&local->chanctx_mtx);
3140 /* AP might have been stopped while waiting for the lock. */
3141 if (!sdata->vif.csa_active)
3144 if (!ieee80211_sdata_running(sdata))
3147 ieee80211_csa_finalize(sdata);
3150 mutex_unlock(&local->chanctx_mtx);
3151 mutex_unlock(&local->mtx);
3152 sdata_unlock(sdata);
3155 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3156 struct cfg80211_csa_settings *params,
3159 struct ieee80211_csa_settings csa = {};
3162 switch (sdata->vif.type) {
3163 case NL80211_IFTYPE_AP:
3164 sdata->u.ap.next_beacon =
3165 cfg80211_beacon_dup(¶ms->beacon_after);
3166 if (!sdata->u.ap.next_beacon)
3170 * With a count of 0, we don't have to wait for any
3171 * TBTT before switching, so complete the CSA
3172 * immediately. In theory, with a count == 1 we
3173 * should delay the switch until just before the next
3174 * TBTT, but that would complicate things so we switch
3175 * immediately too. If we would delay the switch
3176 * until the next TBTT, we would have to set the probe
3179 * TODO: A channel switch with count <= 1 without
3180 * sending a CSA action frame is kind of useless,
3181 * because the clients won't know we're changing
3182 * channels. The action frame must be implemented
3183 * either here or in the userspace.
3185 if (params->count <= 1)
3188 if ((params->n_counter_offsets_beacon >
3189 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3190 (params->n_counter_offsets_presp >
3191 IEEE80211_MAX_CSA_COUNTERS_NUM))
3194 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3195 csa.counter_offsets_presp = params->counter_offsets_presp;
3196 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3197 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3198 csa.count = params->count;
3200 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3202 kfree(sdata->u.ap.next_beacon);
3208 case NL80211_IFTYPE_ADHOC:
3209 if (!sdata->vif.bss_conf.ibss_joined)
3212 if (params->chandef.width != sdata->u.ibss.chandef.width)
3215 switch (params->chandef.width) {
3216 case NL80211_CHAN_WIDTH_40:
3217 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3218 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3220 case NL80211_CHAN_WIDTH_5:
3221 case NL80211_CHAN_WIDTH_10:
3222 case NL80211_CHAN_WIDTH_20_NOHT:
3223 case NL80211_CHAN_WIDTH_20:
3229 /* changes into another band are not supported */
3230 if (sdata->u.ibss.chandef.chan->band !=
3231 params->chandef.chan->band)
3234 /* see comments in the NL80211_IFTYPE_AP block */
3235 if (params->count > 1) {
3236 err = ieee80211_ibss_csa_beacon(sdata, params);
3242 ieee80211_send_action_csa(sdata, params);
3245 #ifdef CONFIG_MAC80211_MESH
3246 case NL80211_IFTYPE_MESH_POINT: {
3247 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3249 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3252 /* changes into another band are not supported */
3253 if (sdata->vif.bss_conf.chandef.chan->band !=
3254 params->chandef.chan->band)
3257 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3258 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3259 if (!ifmsh->pre_value)
3260 ifmsh->pre_value = 1;
3265 /* see comments in the NL80211_IFTYPE_AP block */
3266 if (params->count > 1) {
3267 err = ieee80211_mesh_csa_beacon(sdata, params);
3269 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3275 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3276 ieee80211_send_action_csa(sdata, params);
3289 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3290 struct cfg80211_csa_settings *params)
3292 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3293 struct ieee80211_local *local = sdata->local;
3294 struct ieee80211_channel_switch ch_switch;
3295 struct ieee80211_chanctx_conf *conf;
3296 struct ieee80211_chanctx *chanctx;
3300 sdata_assert_lock(sdata);
3301 lockdep_assert_held(&local->mtx);
3303 if (!list_empty(&local->roc_list) || local->scanning)
3306 if (sdata->wdev.cac_started)
3309 if (cfg80211_chandef_identical(¶ms->chandef,
3310 &sdata->vif.bss_conf.chandef))
3313 /* don't allow another channel switch if one is already active. */
3314 if (sdata->vif.csa_active)
3317 mutex_lock(&local->chanctx_mtx);
3318 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3319 lockdep_is_held(&local->chanctx_mtx));
3325 if (params->chandef.chan->freq_offset) {
3326 /* this may work, but is untested */
3331 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3333 ch_switch.timestamp = 0;
3334 ch_switch.device_timestamp = 0;
3335 ch_switch.block_tx = params->block_tx;
3336 ch_switch.chandef = params->chandef;
3337 ch_switch.count = params->count;
3339 err = drv_pre_channel_switch(sdata, &ch_switch);
3343 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3345 params->radar_required);
3349 /* if reservation is invalid then this will fail */
3350 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3352 ieee80211_vif_unreserve_chanctx(sdata);
3356 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3358 ieee80211_vif_unreserve_chanctx(sdata);
3362 sdata->csa_chandef = params->chandef;
3363 sdata->csa_block_tx = params->block_tx;
3364 sdata->vif.csa_active = true;
3366 if (sdata->csa_block_tx)
3367 ieee80211_stop_vif_queues(local, sdata,
3368 IEEE80211_QUEUE_STOP_REASON_CSA);
3370 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3374 ieee80211_bss_info_change_notify(sdata, changed);
3375 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3377 /* if the beacon didn't change, we can finalize immediately */
3378 ieee80211_csa_finalize(sdata);
3382 mutex_unlock(&local->chanctx_mtx);
3386 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3387 struct cfg80211_csa_settings *params)
3389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3390 struct ieee80211_local *local = sdata->local;
3393 mutex_lock(&local->mtx);
3394 err = __ieee80211_channel_switch(wiphy, dev, params);
3395 mutex_unlock(&local->mtx);
3400 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3402 lockdep_assert_held(&local->mtx);
3404 local->roc_cookie_counter++;
3406 /* wow, you wrapped 64 bits ... more likely a bug */
3407 if (WARN_ON(local->roc_cookie_counter == 0))
3408 local->roc_cookie_counter++;
3410 return local->roc_cookie_counter;
3413 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3414 u64 *cookie, gfp_t gfp)
3416 unsigned long spin_flags;
3417 struct sk_buff *ack_skb;
3420 ack_skb = skb_copy(skb, gfp);
3424 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3425 id = idr_alloc(&local->ack_status_frames, ack_skb,
3426 1, 0x2000, GFP_ATOMIC);
3427 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3434 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3436 *cookie = ieee80211_mgmt_tx_cookie(local);
3437 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3443 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3444 struct wireless_dev *wdev,
3445 struct mgmt_frame_regs *upd)
3447 struct ieee80211_local *local = wiphy_priv(wiphy);
3448 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3449 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3450 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3451 bool global_change, intf_change;
3454 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
3455 (local->rx_mcast_action_reg !=
3456 !!(upd->global_mcast_stypes & action_mask));
3457 local->probe_req_reg = upd->global_stypes & preq_mask;
3458 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3460 intf_change = (sdata->vif.probe_req_reg !=
3461 !!(upd->interface_stypes & preq_mask)) ||
3462 (sdata->vif.rx_mcast_action_reg !=
3463 !!(upd->interface_mcast_stypes & action_mask));
3464 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3465 sdata->vif.rx_mcast_action_reg =
3466 upd->interface_mcast_stypes & action_mask;
3468 if (!local->open_count)
3471 if (intf_change && ieee80211_sdata_running(sdata))
3472 drv_config_iface_filter(local, sdata,
3473 sdata->vif.probe_req_reg ?
3478 ieee80211_configure_filter(local);
3481 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3483 struct ieee80211_local *local = wiphy_priv(wiphy);
3488 return drv_set_antenna(local, tx_ant, rx_ant);
3491 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3493 struct ieee80211_local *local = wiphy_priv(wiphy);
3495 return drv_get_antenna(local, tx_ant, rx_ant);
3498 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3499 struct net_device *dev,
3500 struct cfg80211_gtk_rekey_data *data)
3502 struct ieee80211_local *local = wiphy_priv(wiphy);
3503 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3505 if (!local->ops->set_rekey_data)
3508 drv_set_rekey_data(local, sdata, data);
3513 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3514 const u8 *peer, u64 *cookie)
3516 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3517 struct ieee80211_local *local = sdata->local;
3518 struct ieee80211_qos_hdr *nullfunc;
3519 struct sk_buff *skb;
3520 int size = sizeof(*nullfunc);
3523 struct ieee80211_tx_info *info;
3524 struct sta_info *sta;
3525 struct ieee80211_chanctx_conf *chanctx_conf;
3526 enum nl80211_band band;
3529 /* the lock is needed to assign the cookie later */
3530 mutex_lock(&local->mtx);
3533 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3534 if (WARN_ON(!chanctx_conf)) {
3538 band = chanctx_conf->def.chan->band;
3539 sta = sta_info_get_bss(sdata, peer);
3548 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3549 IEEE80211_STYPE_QOS_NULLFUNC |
3550 IEEE80211_FCTL_FROMDS);
3553 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3554 IEEE80211_STYPE_NULLFUNC |
3555 IEEE80211_FCTL_FROMDS);
3558 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3566 skb_reserve(skb, local->hw.extra_tx_headroom);
3568 nullfunc = skb_put(skb, size);
3569 nullfunc->frame_control = fc;
3570 nullfunc->duration_id = 0;
3571 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3572 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3573 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3574 nullfunc->seq_ctrl = 0;
3576 info = IEEE80211_SKB_CB(skb);
3578 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3579 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3582 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3585 nullfunc->qos_ctrl = cpu_to_le16(7);
3587 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3594 ieee80211_xmit(sdata, sta, skb);
3600 mutex_unlock(&local->mtx);
3605 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3606 struct wireless_dev *wdev,
3607 struct cfg80211_chan_def *chandef)
3609 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3610 struct ieee80211_local *local = wiphy_priv(wiphy);
3611 struct ieee80211_chanctx_conf *chanctx_conf;
3615 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3617 *chandef = sdata->vif.bss_conf.chandef;
3619 } else if (local->open_count > 0 &&
3620 local->open_count == local->monitors &&
3621 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3622 if (local->use_chanctx)
3623 *chandef = local->monitor_chandef;
3625 *chandef = local->_oper_chandef;
3634 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3636 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3640 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3641 struct net_device *dev,
3642 struct cfg80211_qos_map *qos_map)
3644 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3645 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3648 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3651 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3653 /* A NULL qos_map was passed to disable QoS mapping */
3657 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3658 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3660 kfree_rcu(old_qos_map, rcu_head);
3665 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3666 struct net_device *dev,
3667 struct cfg80211_chan_def *chandef)
3669 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3673 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3675 ieee80211_bss_info_change_notify(sdata, changed);
3680 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3681 u8 tsid, const u8 *peer, u8 up,
3684 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3685 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3686 int ac = ieee802_1d_to_ac[up];
3688 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3691 if (!(sdata->wmm_acm & BIT(up)))
3694 if (ifmgd->tx_tspec[ac].admitted_time)
3697 if (admitted_time) {
3698 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3699 ifmgd->tx_tspec[ac].tsid = tsid;
3700 ifmgd->tx_tspec[ac].up = up;
3706 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3707 u8 tsid, const u8 *peer)
3709 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3710 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3711 struct ieee80211_local *local = wiphy_priv(wiphy);
3714 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3715 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3717 /* skip unused entries */
3718 if (!tx_tspec->admitted_time)
3721 if (tx_tspec->tsid != tsid)
3724 /* due to this new packets will be reassigned to non-ACM ACs */
3727 /* Make sure that all packets have been sent to avoid to
3728 * restore the QoS params on packets that are still on the
3732 ieee80211_flush_queues(local, sdata, false);
3734 /* restore the normal QoS parameters
3735 * (unconditionally to avoid races)
3737 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3738 tx_tspec->downgraded = false;
3739 ieee80211_sta_handle_tspec_ac_params(sdata);
3741 /* finally clear all the data */
3742 memset(tx_tspec, 0, sizeof(*tx_tspec));
3750 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3752 enum nl80211_nan_func_term_reason reason,
3755 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3756 struct cfg80211_nan_func *func;
3759 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3762 spin_lock_bh(&sdata->u.nan.func_lock);
3764 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3765 if (WARN_ON(!func)) {
3766 spin_unlock_bh(&sdata->u.nan.func_lock);
3770 cookie = func->cookie;
3771 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3773 spin_unlock_bh(&sdata->u.nan.func_lock);
3775 cfg80211_free_nan_func(func);
3777 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3778 reason, cookie, gfp);
3780 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3782 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3783 struct cfg80211_nan_match_params *match,
3786 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3787 struct cfg80211_nan_func *func;
3789 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3792 spin_lock_bh(&sdata->u.nan.func_lock);
3794 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3795 if (WARN_ON(!func)) {
3796 spin_unlock_bh(&sdata->u.nan.func_lock);
3799 match->cookie = func->cookie;
3801 spin_unlock_bh(&sdata->u.nan.func_lock);
3803 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3805 EXPORT_SYMBOL(ieee80211_nan_func_match);
3807 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3808 struct net_device *dev,
3811 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3813 sdata->u.ap.multicast_to_unicast = enabled;
3818 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3819 struct txq_info *txqi)
3821 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3822 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3823 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3826 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3827 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3828 txqstats->backlog_packets = txqi->tin.backlog_packets;
3831 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3832 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3833 txqstats->flows = txqi->tin.flows;
3836 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3837 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3838 txqstats->drops = txqi->cstats.drop_count;
3841 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3842 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3843 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3846 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3847 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3848 txqstats->overlimit = txqi->tin.overlimit;
3851 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3852 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3853 txqstats->collisions = txqi->tin.collisions;
3856 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3857 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3858 txqstats->tx_bytes = txqi->tin.tx_bytes;
3861 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3862 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3863 txqstats->tx_packets = txqi->tin.tx_packets;
3867 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3868 struct wireless_dev *wdev,
3869 struct cfg80211_txq_stats *txqstats)
3871 struct ieee80211_local *local = wiphy_priv(wiphy);
3872 struct ieee80211_sub_if_data *sdata;
3875 if (!local->ops->wake_tx_queue)
3878 spin_lock_bh(&local->fq.lock);
3882 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3883 if (!sdata->vif.txq) {
3887 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3890 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3891 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3892 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3893 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3894 BIT(NL80211_TXQ_STATS_COLLISIONS) |
3895 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3896 txqstats->backlog_packets = local->fq.backlog;
3897 txqstats->backlog_bytes = local->fq.memory_usage;
3898 txqstats->overlimit = local->fq.overlimit;
3899 txqstats->overmemory = local->fq.overmemory;
3900 txqstats->collisions = local->fq.collisions;
3901 txqstats->max_flows = local->fq.flows_cnt;
3906 spin_unlock_bh(&local->fq.lock);
3912 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3913 struct net_device *dev,
3914 struct cfg80211_ftm_responder_stats *ftm_stats)
3916 struct ieee80211_local *local = wiphy_priv(wiphy);
3917 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3919 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
3923 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3924 struct cfg80211_pmsr_request *request)
3926 struct ieee80211_local *local = wiphy_priv(wiphy);
3927 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3929 return drv_start_pmsr(local, sdata, request);
3933 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3934 struct cfg80211_pmsr_request *request)
3936 struct ieee80211_local *local = wiphy_priv(wiphy);
3937 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3939 return drv_abort_pmsr(local, sdata, request);
3942 static int ieee80211_set_tid_config(struct wiphy *wiphy,
3943 struct net_device *dev,
3944 struct cfg80211_tid_config *tid_conf)
3946 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3947 struct sta_info *sta;
3950 if (!sdata->local->ops->set_tid_config)
3953 if (!tid_conf->peer)
3954 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
3956 mutex_lock(&sdata->local->sta_mtx);
3957 sta = sta_info_get_bss(sdata, tid_conf->peer);
3959 mutex_unlock(&sdata->local->sta_mtx);
3963 ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
3964 mutex_unlock(&sdata->local->sta_mtx);
3969 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
3970 struct net_device *dev,
3971 const u8 *peer, u8 tids)
3973 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3974 struct sta_info *sta;
3977 if (!sdata->local->ops->reset_tid_config)
3981 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
3983 mutex_lock(&sdata->local->sta_mtx);
3984 sta = sta_info_get_bss(sdata, peer);
3986 mutex_unlock(&sdata->local->sta_mtx);
3990 ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
3991 mutex_unlock(&sdata->local->sta_mtx);
3996 const struct cfg80211_ops mac80211_config_ops = {
3997 .add_virtual_intf = ieee80211_add_iface,
3998 .del_virtual_intf = ieee80211_del_iface,
3999 .change_virtual_intf = ieee80211_change_iface,
4000 .start_p2p_device = ieee80211_start_p2p_device,
4001 .stop_p2p_device = ieee80211_stop_p2p_device,
4002 .add_key = ieee80211_add_key,
4003 .del_key = ieee80211_del_key,
4004 .get_key = ieee80211_get_key,
4005 .set_default_key = ieee80211_config_default_key,
4006 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
4007 .set_default_beacon_key = ieee80211_config_default_beacon_key,
4008 .start_ap = ieee80211_start_ap,
4009 .change_beacon = ieee80211_change_beacon,
4010 .stop_ap = ieee80211_stop_ap,
4011 .add_station = ieee80211_add_station,
4012 .del_station = ieee80211_del_station,
4013 .change_station = ieee80211_change_station,
4014 .get_station = ieee80211_get_station,
4015 .dump_station = ieee80211_dump_station,
4016 .dump_survey = ieee80211_dump_survey,
4017 #ifdef CONFIG_MAC80211_MESH
4018 .add_mpath = ieee80211_add_mpath,
4019 .del_mpath = ieee80211_del_mpath,
4020 .change_mpath = ieee80211_change_mpath,
4021 .get_mpath = ieee80211_get_mpath,
4022 .dump_mpath = ieee80211_dump_mpath,
4023 .get_mpp = ieee80211_get_mpp,
4024 .dump_mpp = ieee80211_dump_mpp,
4025 .update_mesh_config = ieee80211_update_mesh_config,
4026 .get_mesh_config = ieee80211_get_mesh_config,
4027 .join_mesh = ieee80211_join_mesh,
4028 .leave_mesh = ieee80211_leave_mesh,
4030 .join_ocb = ieee80211_join_ocb,
4031 .leave_ocb = ieee80211_leave_ocb,
4032 .change_bss = ieee80211_change_bss,
4033 .set_txq_params = ieee80211_set_txq_params,
4034 .set_monitor_channel = ieee80211_set_monitor_channel,
4035 .suspend = ieee80211_suspend,
4036 .resume = ieee80211_resume,
4037 .scan = ieee80211_scan,
4038 .abort_scan = ieee80211_abort_scan,
4039 .sched_scan_start = ieee80211_sched_scan_start,
4040 .sched_scan_stop = ieee80211_sched_scan_stop,
4041 .auth = ieee80211_auth,
4042 .assoc = ieee80211_assoc,
4043 .deauth = ieee80211_deauth,
4044 .disassoc = ieee80211_disassoc,
4045 .join_ibss = ieee80211_join_ibss,
4046 .leave_ibss = ieee80211_leave_ibss,
4047 .set_mcast_rate = ieee80211_set_mcast_rate,
4048 .set_wiphy_params = ieee80211_set_wiphy_params,
4049 .set_tx_power = ieee80211_set_tx_power,
4050 .get_tx_power = ieee80211_get_tx_power,
4051 .set_wds_peer = ieee80211_set_wds_peer,
4052 .rfkill_poll = ieee80211_rfkill_poll,
4053 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4054 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4055 .set_power_mgmt = ieee80211_set_power_mgmt,
4056 .set_bitrate_mask = ieee80211_set_bitrate_mask,
4057 .remain_on_channel = ieee80211_remain_on_channel,
4058 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4059 .mgmt_tx = ieee80211_mgmt_tx,
4060 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4061 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4062 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4063 .update_mgmt_frame_registrations =
4064 ieee80211_update_mgmt_frame_registrations,
4065 .set_antenna = ieee80211_set_antenna,
4066 .get_antenna = ieee80211_get_antenna,
4067 .set_rekey_data = ieee80211_set_rekey_data,
4068 .tdls_oper = ieee80211_tdls_oper,
4069 .tdls_mgmt = ieee80211_tdls_mgmt,
4070 .tdls_channel_switch = ieee80211_tdls_channel_switch,
4071 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4072 .probe_client = ieee80211_probe_client,
4073 .set_noack_map = ieee80211_set_noack_map,
4075 .set_wakeup = ieee80211_set_wakeup,
4077 .get_channel = ieee80211_cfg_get_channel,
4078 .start_radar_detection = ieee80211_start_radar_detection,
4079 .end_cac = ieee80211_end_cac,
4080 .channel_switch = ieee80211_channel_switch,
4081 .set_qos_map = ieee80211_set_qos_map,
4082 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4083 .add_tx_ts = ieee80211_add_tx_ts,
4084 .del_tx_ts = ieee80211_del_tx_ts,
4085 .start_nan = ieee80211_start_nan,
4086 .stop_nan = ieee80211_stop_nan,
4087 .nan_change_conf = ieee80211_nan_change_conf,
4088 .add_nan_func = ieee80211_add_nan_func,
4089 .del_nan_func = ieee80211_del_nan_func,
4090 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4091 .tx_control_port = ieee80211_tx_control_port,
4092 .get_txq_stats = ieee80211_get_txq_stats,
4093 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4094 .start_pmsr = ieee80211_start_pmsr,
4095 .abort_pmsr = ieee80211_abort_pmsr,
4096 .probe_mesh_link = ieee80211_probe_mesh_link,
4097 .set_tid_config = ieee80211_set_tid_config,
4098 .reset_tid_config = ieee80211_reset_tid_config,