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 |
995 BSS_CHANGED_HE_OBSS_PD |
996 BSS_CHANGED_HE_BSS_COLOR;
1000 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1004 if (params->smps_mode != NL80211_SMPS_OFF)
1007 sdata->smps_mode = IEEE80211_SMPS_OFF;
1009 sdata->needed_rx_chains = sdata->local->rx_chains;
1011 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1012 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1014 if (params->he_cap && params->he_oper) {
1015 sdata->vif.bss_conf.he_support = true;
1016 sdata->vif.bss_conf.htc_trig_based_pkt_ext =
1017 le32_get_bits(params->he_oper->he_oper_params,
1018 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1019 sdata->vif.bss_conf.frame_time_rts_th =
1020 le32_get_bits(params->he_oper->he_oper_params,
1021 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1024 mutex_lock(&local->mtx);
1025 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
1026 IEEE80211_CHANCTX_SHARED);
1028 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1029 mutex_unlock(&local->mtx);
1031 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1036 * Apply control port protocol, this allows us to
1037 * not encrypt dynamic WEP control frames.
1039 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1040 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1041 sdata->control_port_over_nl80211 =
1042 params->crypto.control_port_over_nl80211;
1043 sdata->control_port_no_preauth =
1044 params->crypto.control_port_no_preauth;
1045 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1049 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1050 vlan->control_port_protocol =
1051 params->crypto.control_port_ethertype;
1052 vlan->control_port_no_encrypt =
1053 params->crypto.control_port_no_encrypt;
1054 vlan->control_port_over_nl80211 =
1055 params->crypto.control_port_over_nl80211;
1056 vlan->control_port_no_preauth =
1057 params->crypto.control_port_no_preauth;
1058 vlan->encrypt_headroom =
1059 ieee80211_cs_headroom(sdata->local,
1064 sdata->vif.bss_conf.dtim_period = params->dtim_period;
1065 sdata->vif.bss_conf.enable_beacon = true;
1066 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1067 sdata->vif.bss_conf.twt_responder = params->twt_responder;
1068 memcpy(&sdata->vif.bss_conf.he_obss_pd, ¶ms->he_obss_pd,
1069 sizeof(struct ieee80211_he_obss_pd));
1070 memcpy(&sdata->vif.bss_conf.he_bss_color, ¶ms->he_bss_color,
1071 sizeof(struct ieee80211_he_bss_color));
1073 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1074 if (params->ssid_len)
1075 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1077 sdata->vif.bss_conf.hidden_ssid =
1078 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1080 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1081 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1082 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1083 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1084 if (params->p2p_opp_ps)
1085 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1086 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1088 sdata->beacon_rate_set = false;
1089 if (wiphy_ext_feature_isset(local->hw.wiphy,
1090 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1091 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1092 sdata->beacon_rateidx_mask[i] =
1093 params->beacon_rate.control[i].legacy;
1094 if (sdata->beacon_rateidx_mask[i])
1095 sdata->beacon_rate_set = true;
1099 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
1101 ieee80211_vif_release_channel(sdata);
1106 err = drv_start_ap(sdata->local, sdata);
1108 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1111 kfree_rcu(old, rcu_head);
1112 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1113 ieee80211_vif_release_channel(sdata);
1117 ieee80211_recalc_dtim(local, sdata);
1118 ieee80211_bss_info_change_notify(sdata, changed);
1120 netif_carrier_on(dev);
1121 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1122 netif_carrier_on(vlan->dev);
1127 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1128 struct cfg80211_beacon_data *params)
1130 struct ieee80211_sub_if_data *sdata;
1131 struct beacon_data *old;
1134 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1135 sdata_assert_lock(sdata);
1137 /* don't allow changing the beacon while CSA is in place - offset
1138 * of channel switch counter may change
1140 if (sdata->vif.csa_active)
1143 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1147 err = ieee80211_assign_beacon(sdata, params, NULL);
1150 ieee80211_bss_info_change_notify(sdata, err);
1154 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1156 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1157 struct ieee80211_sub_if_data *vlan;
1158 struct ieee80211_local *local = sdata->local;
1159 struct beacon_data *old_beacon;
1160 struct probe_resp *old_probe_resp;
1161 struct cfg80211_chan_def chandef;
1163 sdata_assert_lock(sdata);
1165 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1168 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1170 /* abort any running channel switch */
1171 mutex_lock(&local->mtx);
1172 sdata->vif.csa_active = false;
1173 if (sdata->csa_block_tx) {
1174 ieee80211_wake_vif_queues(local, sdata,
1175 IEEE80211_QUEUE_STOP_REASON_CSA);
1176 sdata->csa_block_tx = false;
1179 mutex_unlock(&local->mtx);
1181 kfree(sdata->u.ap.next_beacon);
1182 sdata->u.ap.next_beacon = NULL;
1184 /* turn off carrier for this interface and dependent VLANs */
1185 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1186 netif_carrier_off(vlan->dev);
1187 netif_carrier_off(dev);
1189 /* remove beacon and probe response */
1190 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1191 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1192 kfree_rcu(old_beacon, rcu_head);
1194 kfree_rcu(old_probe_resp, rcu_head);
1196 kfree(sdata->vif.bss_conf.ftmr_params);
1197 sdata->vif.bss_conf.ftmr_params = NULL;
1199 __sta_info_flush(sdata, true);
1200 ieee80211_free_keys(sdata, true);
1202 sdata->vif.bss_conf.enable_beacon = false;
1203 sdata->beacon_rate_set = false;
1204 sdata->vif.bss_conf.ssid_len = 0;
1205 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1206 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1208 if (sdata->wdev.cac_started) {
1209 chandef = sdata->vif.bss_conf.chandef;
1210 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1211 cfg80211_cac_event(sdata->dev, &chandef,
1212 NL80211_RADAR_CAC_ABORTED,
1216 drv_stop_ap(sdata->local, sdata);
1218 /* free all potentially still buffered bcast frames */
1219 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1220 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1222 mutex_lock(&local->mtx);
1223 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1224 ieee80211_vif_release_channel(sdata);
1225 mutex_unlock(&local->mtx);
1230 static int sta_apply_auth_flags(struct ieee80211_local *local,
1231 struct sta_info *sta,
1236 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1237 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1238 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1239 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1244 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1245 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1246 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1248 * When peer becomes associated, init rate control as
1249 * well. Some drivers require rate control initialized
1250 * before drv_sta_state() is called.
1252 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1253 rate_control_rate_init(sta);
1255 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1260 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1261 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1262 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1263 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1264 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1271 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1272 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1273 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1274 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1279 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1280 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1281 test_sta_flag(sta, WLAN_STA_AUTH)) {
1282 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1290 static void sta_apply_mesh_params(struct ieee80211_local *local,
1291 struct sta_info *sta,
1292 struct station_parameters *params)
1294 #ifdef CONFIG_MAC80211_MESH
1295 struct ieee80211_sub_if_data *sdata = sta->sdata;
1298 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1299 switch (params->plink_state) {
1300 case NL80211_PLINK_ESTAB:
1301 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1302 changed = mesh_plink_inc_estab_count(sdata);
1303 sta->mesh->plink_state = params->plink_state;
1304 sta->mesh->aid = params->peer_aid;
1306 ieee80211_mps_sta_status_update(sta);
1307 changed |= ieee80211_mps_set_sta_local_pm(sta,
1308 sdata->u.mesh.mshcfg.power_mode);
1310 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1311 /* init at low value */
1312 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1315 case NL80211_PLINK_LISTEN:
1316 case NL80211_PLINK_BLOCKED:
1317 case NL80211_PLINK_OPN_SNT:
1318 case NL80211_PLINK_OPN_RCVD:
1319 case NL80211_PLINK_CNF_RCVD:
1320 case NL80211_PLINK_HOLDING:
1321 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1322 changed = mesh_plink_dec_estab_count(sdata);
1323 sta->mesh->plink_state = params->plink_state;
1325 ieee80211_mps_sta_status_update(sta);
1326 changed |= ieee80211_mps_set_sta_local_pm(sta,
1327 NL80211_MESH_POWER_UNKNOWN);
1335 switch (params->plink_action) {
1336 case NL80211_PLINK_ACTION_NO_ACTION:
1339 case NL80211_PLINK_ACTION_OPEN:
1340 changed |= mesh_plink_open(sta);
1342 case NL80211_PLINK_ACTION_BLOCK:
1343 changed |= mesh_plink_block(sta);
1347 if (params->local_pm)
1348 changed |= ieee80211_mps_set_sta_local_pm(sta,
1351 ieee80211_mbss_info_change_notify(sdata, changed);
1355 static int sta_apply_parameters(struct ieee80211_local *local,
1356 struct sta_info *sta,
1357 struct station_parameters *params)
1360 struct ieee80211_supported_band *sband;
1361 struct ieee80211_sub_if_data *sdata = sta->sdata;
1364 sband = ieee80211_get_sband(sdata);
1368 mask = params->sta_flags_mask;
1369 set = params->sta_flags_set;
1371 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1373 * In mesh mode, ASSOCIATED isn't part of the nl80211
1374 * API but must follow AUTHENTICATED for driver state.
1376 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1377 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1378 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1379 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1380 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1382 * TDLS -- everything follows authorized, but
1383 * only becoming authorized is possible, not
1386 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1387 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1388 BIT(NL80211_STA_FLAG_ASSOCIATED);
1389 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1390 BIT(NL80211_STA_FLAG_ASSOCIATED);
1394 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1395 local->hw.queues >= IEEE80211_NUM_ACS)
1396 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1398 /* auth flags will be set later for TDLS,
1399 * and for unassociated stations that move to assocaited */
1400 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1401 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1402 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1403 ret = sta_apply_auth_flags(local, sta, mask, set);
1408 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1409 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1410 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1412 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1415 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1416 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1417 if (set & BIT(NL80211_STA_FLAG_MFP))
1418 set_sta_flag(sta, WLAN_STA_MFP);
1420 clear_sta_flag(sta, WLAN_STA_MFP);
1423 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1424 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1425 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1427 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1430 /* mark TDLS channel switch support, if the AP allows it */
1431 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1432 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1433 params->ext_capab_len >= 4 &&
1434 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1435 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1437 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1438 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1439 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1440 params->ext_capab_len >= 8 &&
1441 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1442 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1444 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1445 sta->sta.uapsd_queues = params->uapsd_queues;
1446 sta->sta.max_sp = params->max_sp;
1449 /* The sender might not have sent the last bit, consider it to be 0 */
1450 if (params->ext_capab_len >= 8) {
1451 u8 val = (params->ext_capab[7] &
1452 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1454 /* we did get all the bits, take the MSB as well */
1455 if (params->ext_capab_len >= 9) {
1456 u8 val_msb = params->ext_capab[8] &
1457 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1464 sta->sta.max_amsdu_subframes = 32;
1467 sta->sta.max_amsdu_subframes = 16;
1470 sta->sta.max_amsdu_subframes = 8;
1473 sta->sta.max_amsdu_subframes = 0;
1478 * cfg80211 validates this (1-2007) and allows setting the AID
1479 * only when creating a new station entry
1482 sta->sta.aid = params->aid;
1485 * Some of the following updates would be racy if called on an
1486 * existing station, via ieee80211_change_station(). However,
1487 * all such changes are rejected by cfg80211 except for updates
1488 * changing the supported rates on an existing but not yet used
1492 if (params->listen_interval >= 0)
1493 sta->listen_interval = params->listen_interval;
1495 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1496 sta->sta.txpwr.type = params->txpwr.type;
1497 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1498 sta->sta.txpwr.power = params->txpwr.power;
1499 ret = drv_sta_set_txpwr(local, sdata, sta);
1504 if (params->supported_rates && params->supported_rates_len) {
1505 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1506 sband, params->supported_rates,
1507 params->supported_rates_len,
1508 &sta->sta.supp_rates[sband->band]);
1511 if (params->ht_capa)
1512 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1513 params->ht_capa, sta);
1515 /* VHT can override some HT caps such as the A-MSDU max length */
1516 if (params->vht_capa)
1517 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1518 params->vht_capa, sta);
1520 if (params->he_capa)
1521 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1522 (void *)params->he_capa,
1523 params->he_capa_len,
1524 (void *)params->he_6ghz_capa,
1527 if (params->opmode_notif_used) {
1528 /* returned value is only needed for rc update, but the
1529 * rc isn't initialized here yet, so ignore it
1531 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1535 if (params->support_p2p_ps >= 0)
1536 sta->sta.support_p2p_ps = params->support_p2p_ps;
1538 if (ieee80211_vif_is_mesh(&sdata->vif))
1539 sta_apply_mesh_params(local, sta, params);
1541 if (params->airtime_weight)
1542 sta->airtime_weight = params->airtime_weight;
1544 /* set the STA state after all sta info from usermode has been set */
1545 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1546 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1547 ret = sta_apply_auth_flags(local, sta, mask, set);
1555 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1557 struct station_parameters *params)
1559 struct ieee80211_local *local = wiphy_priv(wiphy);
1560 struct sta_info *sta;
1561 struct ieee80211_sub_if_data *sdata;
1565 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1567 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1568 sdata->vif.type != NL80211_IFTYPE_AP)
1571 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1573 if (ether_addr_equal(mac, sdata->vif.addr))
1576 if (!is_valid_ether_addr(mac))
1579 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1580 sdata->vif.type == NL80211_IFTYPE_STATION &&
1581 !sdata->u.mgd.associated)
1584 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1588 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1589 sta->sta.tdls = true;
1591 err = sta_apply_parameters(local, sta, params);
1593 sta_info_free(local, sta);
1598 * for TDLS and for unassociated station, rate control should be
1599 * initialized only when rates are known and station is marked
1600 * authorized/associated
1602 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1603 test_sta_flag(sta, WLAN_STA_ASSOC))
1604 rate_control_rate_init(sta);
1606 err = sta_info_insert_rcu(sta);
1617 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1618 struct station_del_parameters *params)
1620 struct ieee80211_sub_if_data *sdata;
1622 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1625 return sta_info_destroy_addr_bss(sdata, params->mac);
1627 sta_info_flush(sdata);
1631 static int ieee80211_change_station(struct wiphy *wiphy,
1632 struct net_device *dev, const u8 *mac,
1633 struct station_parameters *params)
1635 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1636 struct ieee80211_local *local = wiphy_priv(wiphy);
1637 struct sta_info *sta;
1638 struct ieee80211_sub_if_data *vlansdata;
1639 enum cfg80211_station_type statype;
1642 mutex_lock(&local->sta_mtx);
1644 sta = sta_info_get_bss(sdata, mac);
1650 switch (sdata->vif.type) {
1651 case NL80211_IFTYPE_MESH_POINT:
1652 if (sdata->u.mesh.user_mpm)
1653 statype = CFG80211_STA_MESH_PEER_USER;
1655 statype = CFG80211_STA_MESH_PEER_KERNEL;
1657 case NL80211_IFTYPE_ADHOC:
1658 statype = CFG80211_STA_IBSS;
1660 case NL80211_IFTYPE_STATION:
1661 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1662 statype = CFG80211_STA_AP_STA;
1665 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1666 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1668 statype = CFG80211_STA_TDLS_PEER_SETUP;
1670 case NL80211_IFTYPE_AP:
1671 case NL80211_IFTYPE_AP_VLAN:
1672 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1673 statype = CFG80211_STA_AP_CLIENT;
1675 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1682 err = cfg80211_check_station_change(wiphy, params, statype);
1686 if (params->vlan && params->vlan != sta->sdata->dev) {
1687 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1689 if (params->vlan->ieee80211_ptr->use_4addr) {
1690 if (vlansdata->u.vlan.sta) {
1695 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1696 __ieee80211_check_fast_rx_iface(vlansdata);
1699 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1700 sta->sdata->u.vlan.sta)
1701 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1703 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1704 ieee80211_vif_dec_num_mcast(sta->sdata);
1706 sta->sdata = vlansdata;
1707 ieee80211_check_fast_xmit(sta);
1709 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1710 ieee80211_vif_inc_num_mcast(sta->sdata);
1711 cfg80211_send_layer2_update(sta->sdata->dev,
1716 err = sta_apply_parameters(local, sta, params);
1720 mutex_unlock(&local->sta_mtx);
1722 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1723 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1724 ieee80211_recalc_ps(local);
1725 ieee80211_recalc_ps_vif(sdata);
1730 mutex_unlock(&local->sta_mtx);
1734 #ifdef CONFIG_MAC80211_MESH
1735 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1736 const u8 *dst, const u8 *next_hop)
1738 struct ieee80211_sub_if_data *sdata;
1739 struct mesh_path *mpath;
1740 struct sta_info *sta;
1742 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1745 sta = sta_info_get(sdata, next_hop);
1751 mpath = mesh_path_add(sdata, dst);
1752 if (IS_ERR(mpath)) {
1754 return PTR_ERR(mpath);
1757 mesh_path_fix_nexthop(mpath, sta);
1763 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1766 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1769 return mesh_path_del(sdata, dst);
1771 mesh_path_flush_by_iface(sdata);
1775 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1776 const u8 *dst, const u8 *next_hop)
1778 struct ieee80211_sub_if_data *sdata;
1779 struct mesh_path *mpath;
1780 struct sta_info *sta;
1782 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1786 sta = sta_info_get(sdata, next_hop);
1792 mpath = mesh_path_lookup(sdata, dst);
1798 mesh_path_fix_nexthop(mpath, sta);
1804 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1805 struct mpath_info *pinfo)
1807 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1810 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1812 eth_zero_addr(next_hop);
1814 memset(pinfo, 0, sizeof(*pinfo));
1816 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1818 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1821 MPATH_INFO_EXPTIME |
1822 MPATH_INFO_DISCOVERY_TIMEOUT |
1823 MPATH_INFO_DISCOVERY_RETRIES |
1825 MPATH_INFO_HOP_COUNT |
1826 MPATH_INFO_PATH_CHANGE;
1828 pinfo->frame_qlen = mpath->frame_queue.qlen;
1829 pinfo->sn = mpath->sn;
1830 pinfo->metric = mpath->metric;
1831 if (time_before(jiffies, mpath->exp_time))
1832 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1833 pinfo->discovery_timeout =
1834 jiffies_to_msecs(mpath->discovery_timeout);
1835 pinfo->discovery_retries = mpath->discovery_retries;
1836 if (mpath->flags & MESH_PATH_ACTIVE)
1837 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1838 if (mpath->flags & MESH_PATH_RESOLVING)
1839 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1840 if (mpath->flags & MESH_PATH_SN_VALID)
1841 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1842 if (mpath->flags & MESH_PATH_FIXED)
1843 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1844 if (mpath->flags & MESH_PATH_RESOLVED)
1845 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1846 pinfo->hop_count = mpath->hop_count;
1847 pinfo->path_change_count = mpath->path_change_count;
1850 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1851 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1854 struct ieee80211_sub_if_data *sdata;
1855 struct mesh_path *mpath;
1857 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1860 mpath = mesh_path_lookup(sdata, dst);
1865 memcpy(dst, mpath->dst, ETH_ALEN);
1866 mpath_set_pinfo(mpath, next_hop, pinfo);
1871 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1872 int idx, u8 *dst, u8 *next_hop,
1873 struct mpath_info *pinfo)
1875 struct ieee80211_sub_if_data *sdata;
1876 struct mesh_path *mpath;
1878 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1881 mpath = mesh_path_lookup_by_idx(sdata, idx);
1886 memcpy(dst, mpath->dst, ETH_ALEN);
1887 mpath_set_pinfo(mpath, next_hop, pinfo);
1892 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1893 struct mpath_info *pinfo)
1895 memset(pinfo, 0, sizeof(*pinfo));
1896 memcpy(mpp, mpath->mpp, ETH_ALEN);
1898 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1901 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1902 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1905 struct ieee80211_sub_if_data *sdata;
1906 struct mesh_path *mpath;
1908 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1911 mpath = mpp_path_lookup(sdata, dst);
1916 memcpy(dst, mpath->dst, ETH_ALEN);
1917 mpp_set_pinfo(mpath, mpp, pinfo);
1922 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1923 int idx, u8 *dst, u8 *mpp,
1924 struct mpath_info *pinfo)
1926 struct ieee80211_sub_if_data *sdata;
1927 struct mesh_path *mpath;
1929 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1932 mpath = mpp_path_lookup_by_idx(sdata, idx);
1937 memcpy(dst, mpath->dst, ETH_ALEN);
1938 mpp_set_pinfo(mpath, mpp, pinfo);
1943 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1944 struct net_device *dev,
1945 struct mesh_config *conf)
1947 struct ieee80211_sub_if_data *sdata;
1948 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1950 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1954 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1956 return (mask >> (parm-1)) & 0x1;
1959 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1960 const struct mesh_setup *setup)
1964 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1965 struct ieee80211_sub_if_data, u.mesh);
1968 /* allocate information elements */
1972 if (setup->ie_len) {
1973 new_ie = kmemdup(setup->ie, setup->ie_len,
1978 ifmsh->ie_len = setup->ie_len;
1982 /* now copy the rest of the setup parameters */
1983 ifmsh->mesh_id_len = setup->mesh_id_len;
1984 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1985 ifmsh->mesh_sp_id = setup->sync_method;
1986 ifmsh->mesh_pp_id = setup->path_sel_proto;
1987 ifmsh->mesh_pm_id = setup->path_metric;
1988 ifmsh->user_mpm = setup->user_mpm;
1989 ifmsh->mesh_auth_id = setup->auth_id;
1990 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1991 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1992 if (setup->is_authenticated)
1993 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1994 if (setup->is_secure)
1995 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1997 /* mcast rate setting in Mesh Node */
1998 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1999 sizeof(setup->mcast_rate));
2000 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2002 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2003 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2005 sdata->beacon_rate_set = false;
2006 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2007 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2008 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2009 sdata->beacon_rateidx_mask[i] =
2010 setup->beacon_rate.control[i].legacy;
2011 if (sdata->beacon_rateidx_mask[i])
2012 sdata->beacon_rate_set = true;
2019 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2020 struct net_device *dev, u32 mask,
2021 const struct mesh_config *nconf)
2023 struct mesh_config *conf;
2024 struct ieee80211_sub_if_data *sdata;
2025 struct ieee80211_if_mesh *ifmsh;
2027 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2028 ifmsh = &sdata->u.mesh;
2030 /* Set the config options which we are interested in setting */
2031 conf = &(sdata->u.mesh.mshcfg);
2032 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2033 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2034 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2035 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2036 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2037 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2038 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2039 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2040 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2041 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2042 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2043 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2044 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2045 conf->element_ttl = nconf->element_ttl;
2046 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2047 if (ifmsh->user_mpm)
2049 conf->auto_open_plinks = nconf->auto_open_plinks;
2051 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2052 conf->dot11MeshNbrOffsetMaxNeighbor =
2053 nconf->dot11MeshNbrOffsetMaxNeighbor;
2054 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2055 conf->dot11MeshHWMPmaxPREQretries =
2056 nconf->dot11MeshHWMPmaxPREQretries;
2057 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2058 conf->path_refresh_time = nconf->path_refresh_time;
2059 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2060 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2061 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2062 conf->dot11MeshHWMPactivePathTimeout =
2063 nconf->dot11MeshHWMPactivePathTimeout;
2064 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2065 conf->dot11MeshHWMPpreqMinInterval =
2066 nconf->dot11MeshHWMPpreqMinInterval;
2067 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2068 conf->dot11MeshHWMPperrMinInterval =
2069 nconf->dot11MeshHWMPperrMinInterval;
2070 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2072 conf->dot11MeshHWMPnetDiameterTraversalTime =
2073 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2074 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2075 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2076 ieee80211_mesh_root_setup(ifmsh);
2078 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2079 /* our current gate announcement implementation rides on root
2080 * announcements, so require this ifmsh to also be a root node
2082 if (nconf->dot11MeshGateAnnouncementProtocol &&
2083 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2084 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2085 ieee80211_mesh_root_setup(ifmsh);
2087 conf->dot11MeshGateAnnouncementProtocol =
2088 nconf->dot11MeshGateAnnouncementProtocol;
2090 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2091 conf->dot11MeshHWMPRannInterval =
2092 nconf->dot11MeshHWMPRannInterval;
2093 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2094 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2095 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2096 /* our RSSI threshold implementation is supported only for
2097 * devices that report signal in dBm.
2099 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2101 conf->rssi_threshold = nconf->rssi_threshold;
2103 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2104 conf->ht_opmode = nconf->ht_opmode;
2105 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2106 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2108 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2109 conf->dot11MeshHWMPactivePathToRootTimeout =
2110 nconf->dot11MeshHWMPactivePathToRootTimeout;
2111 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2112 conf->dot11MeshHWMProotInterval =
2113 nconf->dot11MeshHWMProotInterval;
2114 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2115 conf->dot11MeshHWMPconfirmationInterval =
2116 nconf->dot11MeshHWMPconfirmationInterval;
2117 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2118 conf->power_mode = nconf->power_mode;
2119 ieee80211_mps_local_status_update(sdata);
2121 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2122 conf->dot11MeshAwakeWindowDuration =
2123 nconf->dot11MeshAwakeWindowDuration;
2124 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2125 conf->plink_timeout = nconf->plink_timeout;
2126 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2127 conf->dot11MeshConnectedToMeshGate =
2128 nconf->dot11MeshConnectedToMeshGate;
2129 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2133 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2134 const struct mesh_config *conf,
2135 const struct mesh_setup *setup)
2137 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2138 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2141 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2142 err = copy_mesh_setup(ifmsh, setup);
2146 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2148 /* can mesh use other SMPS modes? */
2149 sdata->smps_mode = IEEE80211_SMPS_OFF;
2150 sdata->needed_rx_chains = sdata->local->rx_chains;
2152 mutex_lock(&sdata->local->mtx);
2153 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2154 IEEE80211_CHANCTX_SHARED);
2155 mutex_unlock(&sdata->local->mtx);
2159 return ieee80211_start_mesh(sdata);
2162 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2164 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2166 ieee80211_stop_mesh(sdata);
2167 mutex_lock(&sdata->local->mtx);
2168 ieee80211_vif_release_channel(sdata);
2169 mutex_unlock(&sdata->local->mtx);
2175 static int ieee80211_change_bss(struct wiphy *wiphy,
2176 struct net_device *dev,
2177 struct bss_parameters *params)
2179 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2180 struct ieee80211_supported_band *sband;
2183 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2186 sband = ieee80211_get_sband(sdata);
2190 if (params->use_cts_prot >= 0) {
2191 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2192 changed |= BSS_CHANGED_ERP_CTS_PROT;
2194 if (params->use_short_preamble >= 0) {
2195 sdata->vif.bss_conf.use_short_preamble =
2196 params->use_short_preamble;
2197 changed |= BSS_CHANGED_ERP_PREAMBLE;
2200 if (!sdata->vif.bss_conf.use_short_slot &&
2201 sband->band == NL80211_BAND_5GHZ) {
2202 sdata->vif.bss_conf.use_short_slot = true;
2203 changed |= BSS_CHANGED_ERP_SLOT;
2206 if (params->use_short_slot_time >= 0) {
2207 sdata->vif.bss_conf.use_short_slot =
2208 params->use_short_slot_time;
2209 changed |= BSS_CHANGED_ERP_SLOT;
2212 if (params->basic_rates) {
2213 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2214 wiphy->bands[sband->band],
2215 params->basic_rates,
2216 params->basic_rates_len,
2217 &sdata->vif.bss_conf.basic_rates);
2218 changed |= BSS_CHANGED_BASIC_RATES;
2219 ieee80211_check_rate_mask(sdata);
2222 if (params->ap_isolate >= 0) {
2223 if (params->ap_isolate)
2224 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2226 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2227 ieee80211_check_fast_rx_iface(sdata);
2230 if (params->ht_opmode >= 0) {
2231 sdata->vif.bss_conf.ht_operation_mode =
2232 (u16) params->ht_opmode;
2233 changed |= BSS_CHANGED_HT;
2236 if (params->p2p_ctwindow >= 0) {
2237 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2238 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2239 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2240 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2241 changed |= BSS_CHANGED_P2P_PS;
2244 if (params->p2p_opp_ps > 0) {
2245 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2246 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2247 changed |= BSS_CHANGED_P2P_PS;
2248 } else if (params->p2p_opp_ps == 0) {
2249 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2250 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2251 changed |= BSS_CHANGED_P2P_PS;
2254 ieee80211_bss_info_change_notify(sdata, changed);
2259 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2260 struct net_device *dev,
2261 struct ieee80211_txq_params *params)
2263 struct ieee80211_local *local = wiphy_priv(wiphy);
2264 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2265 struct ieee80211_tx_queue_params p;
2267 if (!local->ops->conf_tx)
2270 if (local->hw.queues < IEEE80211_NUM_ACS)
2273 memset(&p, 0, sizeof(p));
2274 p.aifs = params->aifs;
2275 p.cw_max = params->cwmax;
2276 p.cw_min = params->cwmin;
2277 p.txop = params->txop;
2280 * Setting tx queue params disables u-apsd because it's only
2281 * called in master mode.
2285 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2287 sdata->tx_conf[params->ac] = p;
2288 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2289 wiphy_debug(local->hw.wiphy,
2290 "failed to set TX queue parameters for AC %d\n",
2295 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2301 static int ieee80211_suspend(struct wiphy *wiphy,
2302 struct cfg80211_wowlan *wowlan)
2304 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2307 static int ieee80211_resume(struct wiphy *wiphy)
2309 return __ieee80211_resume(wiphy_priv(wiphy));
2312 #define ieee80211_suspend NULL
2313 #define ieee80211_resume NULL
2316 static int ieee80211_scan(struct wiphy *wiphy,
2317 struct cfg80211_scan_request *req)
2319 struct ieee80211_sub_if_data *sdata;
2321 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2323 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2324 case NL80211_IFTYPE_STATION:
2325 case NL80211_IFTYPE_ADHOC:
2326 case NL80211_IFTYPE_MESH_POINT:
2327 case NL80211_IFTYPE_P2P_CLIENT:
2328 case NL80211_IFTYPE_P2P_DEVICE:
2330 case NL80211_IFTYPE_P2P_GO:
2331 if (sdata->local->ops->hw_scan)
2334 * FIXME: implement NoA while scanning in software,
2335 * for now fall through to allow scanning only when
2336 * beaconing hasn't been configured yet
2339 case NL80211_IFTYPE_AP:
2341 * If the scan has been forced (and the driver supports
2342 * forcing), don't care about being beaconing already.
2343 * This will create problems to the attached stations (e.g. all
2344 * the frames sent while scanning on other channel will be
2347 if (sdata->u.ap.beacon &&
2348 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2349 !(req->flags & NL80211_SCAN_FLAG_AP)))
2352 case NL80211_IFTYPE_NAN:
2357 return ieee80211_request_scan(sdata, req);
2360 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2362 ieee80211_scan_cancel(wiphy_priv(wiphy));
2366 ieee80211_sched_scan_start(struct wiphy *wiphy,
2367 struct net_device *dev,
2368 struct cfg80211_sched_scan_request *req)
2370 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2372 if (!sdata->local->ops->sched_scan_start)
2375 return ieee80211_request_sched_scan_start(sdata, req);
2379 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2382 struct ieee80211_local *local = wiphy_priv(wiphy);
2384 if (!local->ops->sched_scan_stop)
2387 return ieee80211_request_sched_scan_stop(local);
2390 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2391 struct cfg80211_auth_request *req)
2393 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2396 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2397 struct cfg80211_assoc_request *req)
2399 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2402 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2403 struct cfg80211_deauth_request *req)
2405 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2408 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2409 struct cfg80211_disassoc_request *req)
2411 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2414 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2415 struct cfg80211_ibss_params *params)
2417 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2420 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2422 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2425 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2426 struct ocb_setup *setup)
2428 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2431 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2433 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2436 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2437 int rate[NUM_NL80211_BANDS])
2439 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2441 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2442 sizeof(int) * NUM_NL80211_BANDS);
2444 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2449 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2451 struct ieee80211_local *local = wiphy_priv(wiphy);
2454 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2455 ieee80211_check_fast_xmit_all(local);
2457 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2460 ieee80211_check_fast_xmit_all(local);
2465 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2466 (changed & WIPHY_PARAM_DYN_ACK)) {
2469 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2470 wiphy->coverage_class : -1;
2471 err = drv_set_coverage_class(local, coverage_class);
2477 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2478 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2484 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2485 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2487 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2489 if (changed & WIPHY_PARAM_RETRY_LONG) {
2490 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2492 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2495 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2496 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2498 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2499 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2500 WIPHY_PARAM_TXQ_QUANTUM))
2501 ieee80211_txq_set_params(local);
2506 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2507 struct wireless_dev *wdev,
2508 enum nl80211_tx_power_setting type, int mbm)
2510 struct ieee80211_local *local = wiphy_priv(wiphy);
2511 struct ieee80211_sub_if_data *sdata;
2512 enum nl80211_tx_power_setting txp_type = type;
2513 bool update_txp_type = false;
2514 bool has_monitor = false;
2517 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2519 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2520 sdata = rtnl_dereference(local->monitor_sdata);
2526 case NL80211_TX_POWER_AUTOMATIC:
2527 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2528 txp_type = NL80211_TX_POWER_LIMITED;
2530 case NL80211_TX_POWER_LIMITED:
2531 case NL80211_TX_POWER_FIXED:
2532 if (mbm < 0 || (mbm % 100))
2534 sdata->user_power_level = MBM_TO_DBM(mbm);
2538 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2539 update_txp_type = true;
2540 sdata->vif.bss_conf.txpower_type = txp_type;
2543 ieee80211_recalc_txpower(sdata, update_txp_type);
2549 case NL80211_TX_POWER_AUTOMATIC:
2550 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2551 txp_type = NL80211_TX_POWER_LIMITED;
2553 case NL80211_TX_POWER_LIMITED:
2554 case NL80211_TX_POWER_FIXED:
2555 if (mbm < 0 || (mbm % 100))
2557 local->user_power_level = MBM_TO_DBM(mbm);
2561 mutex_lock(&local->iflist_mtx);
2562 list_for_each_entry(sdata, &local->interfaces, list) {
2563 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2567 sdata->user_power_level = local->user_power_level;
2568 if (txp_type != sdata->vif.bss_conf.txpower_type)
2569 update_txp_type = true;
2570 sdata->vif.bss_conf.txpower_type = txp_type;
2572 list_for_each_entry(sdata, &local->interfaces, list) {
2573 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2575 ieee80211_recalc_txpower(sdata, update_txp_type);
2577 mutex_unlock(&local->iflist_mtx);
2580 sdata = rtnl_dereference(local->monitor_sdata);
2582 sdata->user_power_level = local->user_power_level;
2583 if (txp_type != sdata->vif.bss_conf.txpower_type)
2584 update_txp_type = true;
2585 sdata->vif.bss_conf.txpower_type = txp_type;
2587 ieee80211_recalc_txpower(sdata, update_txp_type);
2594 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2595 struct wireless_dev *wdev,
2598 struct ieee80211_local *local = wiphy_priv(wiphy);
2599 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2601 if (local->ops->get_txpower)
2602 return drv_get_txpower(local, sdata, dbm);
2604 if (!local->use_chanctx)
2605 *dbm = local->hw.conf.power_level;
2607 *dbm = sdata->vif.bss_conf.txpower;
2612 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2615 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2617 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2622 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2624 struct ieee80211_local *local = wiphy_priv(wiphy);
2626 drv_rfkill_poll(local);
2629 #ifdef CONFIG_NL80211_TESTMODE
2630 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2631 struct wireless_dev *wdev,
2632 void *data, int len)
2634 struct ieee80211_local *local = wiphy_priv(wiphy);
2635 struct ieee80211_vif *vif = NULL;
2637 if (!local->ops->testmode_cmd)
2641 struct ieee80211_sub_if_data *sdata;
2643 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2644 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2648 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2651 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2652 struct sk_buff *skb,
2653 struct netlink_callback *cb,
2654 void *data, int len)
2656 struct ieee80211_local *local = wiphy_priv(wiphy);
2658 if (!local->ops->testmode_dump)
2661 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2665 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2666 enum ieee80211_smps_mode smps_mode)
2669 enum ieee80211_smps_mode old_req;
2671 struct sta_info *sta;
2672 bool tdls_peer_found = false;
2674 lockdep_assert_held(&sdata->wdev.mtx);
2676 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2679 old_req = sdata->u.mgd.req_smps;
2680 sdata->u.mgd.req_smps = smps_mode;
2682 if (old_req == smps_mode &&
2683 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2687 * If not associated, or current association is not an HT
2688 * association, there's no need to do anything, just store
2689 * the new value until we associate.
2691 if (!sdata->u.mgd.associated ||
2692 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2695 ap = sdata->u.mgd.associated->bssid;
2698 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2699 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2700 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2703 tdls_peer_found = true;
2708 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2709 if (tdls_peer_found || !sdata->u.mgd.powersave)
2710 smps_mode = IEEE80211_SMPS_OFF;
2712 smps_mode = IEEE80211_SMPS_DYNAMIC;
2715 /* send SM PS frame to AP */
2716 err = ieee80211_send_smps_action(sdata, smps_mode,
2719 sdata->u.mgd.req_smps = old_req;
2720 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2721 ieee80211_teardown_tdls_peers(sdata);
2726 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2727 bool enabled, int timeout)
2729 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2730 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2732 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2735 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2738 if (enabled == sdata->u.mgd.powersave &&
2739 timeout == local->dynamic_ps_forced_timeout)
2742 sdata->u.mgd.powersave = enabled;
2743 local->dynamic_ps_forced_timeout = timeout;
2745 /* no change, but if automatic follow powersave */
2747 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2748 sdata_unlock(sdata);
2750 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2751 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2753 ieee80211_recalc_ps(local);
2754 ieee80211_recalc_ps_vif(sdata);
2755 ieee80211_check_fast_rx_iface(sdata);
2760 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2761 struct net_device *dev,
2762 s32 rssi_thold, u32 rssi_hyst)
2764 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2765 struct ieee80211_vif *vif = &sdata->vif;
2766 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2768 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2769 rssi_hyst == bss_conf->cqm_rssi_hyst)
2772 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2773 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2776 bss_conf->cqm_rssi_thold = rssi_thold;
2777 bss_conf->cqm_rssi_hyst = rssi_hyst;
2778 bss_conf->cqm_rssi_low = 0;
2779 bss_conf->cqm_rssi_high = 0;
2780 sdata->u.mgd.last_cqm_event_signal = 0;
2782 /* tell the driver upon association, unless already associated */
2783 if (sdata->u.mgd.associated &&
2784 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2785 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2790 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2791 struct net_device *dev,
2792 s32 rssi_low, s32 rssi_high)
2794 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2795 struct ieee80211_vif *vif = &sdata->vif;
2796 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2798 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2801 bss_conf->cqm_rssi_low = rssi_low;
2802 bss_conf->cqm_rssi_high = rssi_high;
2803 bss_conf->cqm_rssi_thold = 0;
2804 bss_conf->cqm_rssi_hyst = 0;
2805 sdata->u.mgd.last_cqm_event_signal = 0;
2807 /* tell the driver upon association, unless already associated */
2808 if (sdata->u.mgd.associated &&
2809 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2810 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2815 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2816 struct net_device *dev,
2818 const struct cfg80211_bitrate_mask *mask)
2820 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2821 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2824 if (!ieee80211_sdata_running(sdata))
2828 * If active validate the setting and reject it if it doesn't leave
2829 * at least one basic rate usable, since we really have to be able
2830 * to send something, and if we're an AP we have to be able to do
2831 * so at a basic rate so that all clients can receive it.
2833 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2834 sdata->vif.bss_conf.chandef.chan) {
2835 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2836 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2838 if (!(mask->control[band].legacy & basic_rates))
2842 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2843 ret = drv_set_bitrate_mask(local, sdata, mask);
2848 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2849 struct ieee80211_supported_band *sband = wiphy->bands[i];
2852 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2853 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2854 sizeof(mask->control[i].ht_mcs));
2855 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2856 mask->control[i].vht_mcs,
2857 sizeof(mask->control[i].vht_mcs));
2859 sdata->rc_has_mcs_mask[i] = false;
2860 sdata->rc_has_vht_mcs_mask[i] = false;
2864 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2865 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2866 sdata->rc_has_mcs_mask[i] = true;
2871 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2872 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2873 sdata->rc_has_vht_mcs_mask[i] = true;
2882 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2883 struct net_device *dev,
2884 struct cfg80211_chan_def *chandef,
2887 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2888 struct ieee80211_local *local = sdata->local;
2891 mutex_lock(&local->mtx);
2892 if (!list_empty(&local->roc_list) || local->scanning) {
2897 /* whatever, but channel contexts should not complain about that one */
2898 sdata->smps_mode = IEEE80211_SMPS_OFF;
2899 sdata->needed_rx_chains = local->rx_chains;
2901 err = ieee80211_vif_use_channel(sdata, chandef,
2902 IEEE80211_CHANCTX_SHARED);
2906 ieee80211_queue_delayed_work(&sdata->local->hw,
2907 &sdata->dfs_cac_timer_work,
2908 msecs_to_jiffies(cac_time_ms));
2911 mutex_unlock(&local->mtx);
2915 static void ieee80211_end_cac(struct wiphy *wiphy,
2916 struct net_device *dev)
2918 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2919 struct ieee80211_local *local = sdata->local;
2921 mutex_lock(&local->mtx);
2922 list_for_each_entry(sdata, &local->interfaces, list) {
2923 /* it might be waiting for the local->mtx, but then
2924 * by the time it gets it, sdata->wdev.cac_started
2925 * will no longer be true
2927 cancel_delayed_work(&sdata->dfs_cac_timer_work);
2929 if (sdata->wdev.cac_started) {
2930 ieee80211_vif_release_channel(sdata);
2931 sdata->wdev.cac_started = false;
2934 mutex_unlock(&local->mtx);
2937 static struct cfg80211_beacon_data *
2938 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2940 struct cfg80211_beacon_data *new_beacon;
2944 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2945 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2946 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
2948 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2952 pos = (u8 *)(new_beacon + 1);
2953 if (beacon->head_len) {
2954 new_beacon->head_len = beacon->head_len;
2955 new_beacon->head = pos;
2956 memcpy(pos, beacon->head, beacon->head_len);
2957 pos += beacon->head_len;
2959 if (beacon->tail_len) {
2960 new_beacon->tail_len = beacon->tail_len;
2961 new_beacon->tail = pos;
2962 memcpy(pos, beacon->tail, beacon->tail_len);
2963 pos += beacon->tail_len;
2965 if (beacon->beacon_ies_len) {
2966 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2967 new_beacon->beacon_ies = pos;
2968 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2969 pos += beacon->beacon_ies_len;
2971 if (beacon->proberesp_ies_len) {
2972 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2973 new_beacon->proberesp_ies = pos;
2974 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2975 pos += beacon->proberesp_ies_len;
2977 if (beacon->assocresp_ies_len) {
2978 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2979 new_beacon->assocresp_ies = pos;
2980 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2981 pos += beacon->assocresp_ies_len;
2983 if (beacon->probe_resp_len) {
2984 new_beacon->probe_resp_len = beacon->probe_resp_len;
2985 new_beacon->probe_resp = pos;
2986 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2987 pos += beacon->probe_resp_len;
2990 /* might copy -1, meaning no changes requested */
2991 new_beacon->ftm_responder = beacon->ftm_responder;
2993 new_beacon->lci_len = beacon->lci_len;
2994 new_beacon->lci = pos;
2995 memcpy(pos, beacon->lci, beacon->lci_len);
2996 pos += beacon->lci_len;
2998 if (beacon->civicloc) {
2999 new_beacon->civicloc_len = beacon->civicloc_len;
3000 new_beacon->civicloc = pos;
3001 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3002 pos += beacon->civicloc_len;
3008 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3010 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3012 ieee80211_queue_work(&sdata->local->hw,
3013 &sdata->csa_finalize_work);
3015 EXPORT_SYMBOL(ieee80211_csa_finish);
3017 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3022 switch (sdata->vif.type) {
3023 case NL80211_IFTYPE_AP:
3024 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3026 kfree(sdata->u.ap.next_beacon);
3027 sdata->u.ap.next_beacon = NULL;
3033 case NL80211_IFTYPE_ADHOC:
3034 err = ieee80211_ibss_finish_csa(sdata);
3039 #ifdef CONFIG_MAC80211_MESH
3040 case NL80211_IFTYPE_MESH_POINT:
3041 err = ieee80211_mesh_finish_csa(sdata);
3055 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3057 struct ieee80211_local *local = sdata->local;
3061 sdata_assert_lock(sdata);
3062 lockdep_assert_held(&local->mtx);
3063 lockdep_assert_held(&local->chanctx_mtx);
3066 * using reservation isn't immediate as it may be deferred until later
3067 * with multi-vif. once reservation is complete it will re-schedule the
3068 * work with no reserved_chanctx so verify chandef to check if it
3069 * completed successfully
3072 if (sdata->reserved_chanctx) {
3074 * with multi-vif csa driver may call ieee80211_csa_finish()
3075 * many times while waiting for other interfaces to use their
3078 if (sdata->reserved_ready)
3081 return ieee80211_vif_use_reserved_context(sdata);
3084 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3085 &sdata->csa_chandef))
3088 sdata->vif.csa_active = false;
3090 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3094 ieee80211_bss_info_change_notify(sdata, changed);
3096 if (sdata->csa_block_tx) {
3097 ieee80211_wake_vif_queues(local, sdata,
3098 IEEE80211_QUEUE_STOP_REASON_CSA);
3099 sdata->csa_block_tx = false;
3102 err = drv_post_channel_switch(sdata);
3106 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3111 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3113 if (__ieee80211_csa_finalize(sdata)) {
3114 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3115 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3120 void ieee80211_csa_finalize_work(struct work_struct *work)
3122 struct ieee80211_sub_if_data *sdata =
3123 container_of(work, struct ieee80211_sub_if_data,
3125 struct ieee80211_local *local = sdata->local;
3128 mutex_lock(&local->mtx);
3129 mutex_lock(&local->chanctx_mtx);
3131 /* AP might have been stopped while waiting for the lock. */
3132 if (!sdata->vif.csa_active)
3135 if (!ieee80211_sdata_running(sdata))
3138 ieee80211_csa_finalize(sdata);
3141 mutex_unlock(&local->chanctx_mtx);
3142 mutex_unlock(&local->mtx);
3143 sdata_unlock(sdata);
3146 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3147 struct cfg80211_csa_settings *params,
3150 struct ieee80211_csa_settings csa = {};
3153 switch (sdata->vif.type) {
3154 case NL80211_IFTYPE_AP:
3155 sdata->u.ap.next_beacon =
3156 cfg80211_beacon_dup(¶ms->beacon_after);
3157 if (!sdata->u.ap.next_beacon)
3161 * With a count of 0, we don't have to wait for any
3162 * TBTT before switching, so complete the CSA
3163 * immediately. In theory, with a count == 1 we
3164 * should delay the switch until just before the next
3165 * TBTT, but that would complicate things so we switch
3166 * immediately too. If we would delay the switch
3167 * until the next TBTT, we would have to set the probe
3170 * TODO: A channel switch with count <= 1 without
3171 * sending a CSA action frame is kind of useless,
3172 * because the clients won't know we're changing
3173 * channels. The action frame must be implemented
3174 * either here or in the userspace.
3176 if (params->count <= 1)
3179 if ((params->n_counter_offsets_beacon >
3180 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3181 (params->n_counter_offsets_presp >
3182 IEEE80211_MAX_CSA_COUNTERS_NUM))
3185 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3186 csa.counter_offsets_presp = params->counter_offsets_presp;
3187 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3188 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3189 csa.count = params->count;
3191 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3193 kfree(sdata->u.ap.next_beacon);
3199 case NL80211_IFTYPE_ADHOC:
3200 if (!sdata->vif.bss_conf.ibss_joined)
3203 if (params->chandef.width != sdata->u.ibss.chandef.width)
3206 switch (params->chandef.width) {
3207 case NL80211_CHAN_WIDTH_40:
3208 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3209 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3211 case NL80211_CHAN_WIDTH_5:
3212 case NL80211_CHAN_WIDTH_10:
3213 case NL80211_CHAN_WIDTH_20_NOHT:
3214 case NL80211_CHAN_WIDTH_20:
3220 /* changes into another band are not supported */
3221 if (sdata->u.ibss.chandef.chan->band !=
3222 params->chandef.chan->band)
3225 /* see comments in the NL80211_IFTYPE_AP block */
3226 if (params->count > 1) {
3227 err = ieee80211_ibss_csa_beacon(sdata, params);
3233 ieee80211_send_action_csa(sdata, params);
3236 #ifdef CONFIG_MAC80211_MESH
3237 case NL80211_IFTYPE_MESH_POINT: {
3238 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3240 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3243 /* changes into another band are not supported */
3244 if (sdata->vif.bss_conf.chandef.chan->band !=
3245 params->chandef.chan->band)
3248 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3249 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3250 if (!ifmsh->pre_value)
3251 ifmsh->pre_value = 1;
3256 /* see comments in the NL80211_IFTYPE_AP block */
3257 if (params->count > 1) {
3258 err = ieee80211_mesh_csa_beacon(sdata, params);
3260 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3266 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3267 ieee80211_send_action_csa(sdata, params);
3280 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3281 struct cfg80211_csa_settings *params)
3283 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3284 struct ieee80211_local *local = sdata->local;
3285 struct ieee80211_channel_switch ch_switch;
3286 struct ieee80211_chanctx_conf *conf;
3287 struct ieee80211_chanctx *chanctx;
3291 sdata_assert_lock(sdata);
3292 lockdep_assert_held(&local->mtx);
3294 if (!list_empty(&local->roc_list) || local->scanning)
3297 if (sdata->wdev.cac_started)
3300 if (cfg80211_chandef_identical(¶ms->chandef,
3301 &sdata->vif.bss_conf.chandef))
3304 /* don't allow another channel switch if one is already active. */
3305 if (sdata->vif.csa_active)
3308 mutex_lock(&local->chanctx_mtx);
3309 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3310 lockdep_is_held(&local->chanctx_mtx));
3316 if (params->chandef.chan->freq_offset) {
3317 /* this may work, but is untested */
3322 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3324 ch_switch.timestamp = 0;
3325 ch_switch.device_timestamp = 0;
3326 ch_switch.block_tx = params->block_tx;
3327 ch_switch.chandef = params->chandef;
3328 ch_switch.count = params->count;
3330 err = drv_pre_channel_switch(sdata, &ch_switch);
3334 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3336 params->radar_required);
3340 /* if reservation is invalid then this will fail */
3341 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3343 ieee80211_vif_unreserve_chanctx(sdata);
3347 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3349 ieee80211_vif_unreserve_chanctx(sdata);
3353 sdata->csa_chandef = params->chandef;
3354 sdata->csa_block_tx = params->block_tx;
3355 sdata->vif.csa_active = true;
3357 if (sdata->csa_block_tx)
3358 ieee80211_stop_vif_queues(local, sdata,
3359 IEEE80211_QUEUE_STOP_REASON_CSA);
3361 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3365 ieee80211_bss_info_change_notify(sdata, changed);
3366 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3368 /* if the beacon didn't change, we can finalize immediately */
3369 ieee80211_csa_finalize(sdata);
3373 mutex_unlock(&local->chanctx_mtx);
3377 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3378 struct cfg80211_csa_settings *params)
3380 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3381 struct ieee80211_local *local = sdata->local;
3384 mutex_lock(&local->mtx);
3385 err = __ieee80211_channel_switch(wiphy, dev, params);
3386 mutex_unlock(&local->mtx);
3391 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3393 lockdep_assert_held(&local->mtx);
3395 local->roc_cookie_counter++;
3397 /* wow, you wrapped 64 bits ... more likely a bug */
3398 if (WARN_ON(local->roc_cookie_counter == 0))
3399 local->roc_cookie_counter++;
3401 return local->roc_cookie_counter;
3404 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3405 u64 *cookie, gfp_t gfp)
3407 unsigned long spin_flags;
3408 struct sk_buff *ack_skb;
3411 ack_skb = skb_copy(skb, gfp);
3415 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3416 id = idr_alloc(&local->ack_status_frames, ack_skb,
3417 1, 0x2000, GFP_ATOMIC);
3418 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3425 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3427 *cookie = ieee80211_mgmt_tx_cookie(local);
3428 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3434 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3435 struct wireless_dev *wdev,
3436 struct mgmt_frame_regs *upd)
3438 struct ieee80211_local *local = wiphy_priv(wiphy);
3439 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3440 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3441 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3442 bool global_change, intf_change;
3445 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
3446 (local->rx_mcast_action_reg !=
3447 !!(upd->global_mcast_stypes & action_mask));
3448 local->probe_req_reg = upd->global_stypes & preq_mask;
3449 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3451 intf_change = (sdata->vif.probe_req_reg !=
3452 !!(upd->interface_stypes & preq_mask)) ||
3453 (sdata->vif.rx_mcast_action_reg !=
3454 !!(upd->interface_mcast_stypes & action_mask));
3455 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3456 sdata->vif.rx_mcast_action_reg =
3457 upd->interface_mcast_stypes & action_mask;
3459 if (!local->open_count)
3462 if (intf_change && ieee80211_sdata_running(sdata))
3463 drv_config_iface_filter(local, sdata,
3464 sdata->vif.probe_req_reg ?
3469 ieee80211_configure_filter(local);
3472 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3474 struct ieee80211_local *local = wiphy_priv(wiphy);
3479 return drv_set_antenna(local, tx_ant, rx_ant);
3482 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3484 struct ieee80211_local *local = wiphy_priv(wiphy);
3486 return drv_get_antenna(local, tx_ant, rx_ant);
3489 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3490 struct net_device *dev,
3491 struct cfg80211_gtk_rekey_data *data)
3493 struct ieee80211_local *local = wiphy_priv(wiphy);
3494 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3496 if (!local->ops->set_rekey_data)
3499 drv_set_rekey_data(local, sdata, data);
3504 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3505 const u8 *peer, u64 *cookie)
3507 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3508 struct ieee80211_local *local = sdata->local;
3509 struct ieee80211_qos_hdr *nullfunc;
3510 struct sk_buff *skb;
3511 int size = sizeof(*nullfunc);
3514 struct ieee80211_tx_info *info;
3515 struct sta_info *sta;
3516 struct ieee80211_chanctx_conf *chanctx_conf;
3517 enum nl80211_band band;
3520 /* the lock is needed to assign the cookie later */
3521 mutex_lock(&local->mtx);
3524 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3525 if (WARN_ON(!chanctx_conf)) {
3529 band = chanctx_conf->def.chan->band;
3530 sta = sta_info_get_bss(sdata, peer);
3539 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3540 IEEE80211_STYPE_QOS_NULLFUNC |
3541 IEEE80211_FCTL_FROMDS);
3544 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3545 IEEE80211_STYPE_NULLFUNC |
3546 IEEE80211_FCTL_FROMDS);
3549 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3557 skb_reserve(skb, local->hw.extra_tx_headroom);
3559 nullfunc = skb_put(skb, size);
3560 nullfunc->frame_control = fc;
3561 nullfunc->duration_id = 0;
3562 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3563 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3564 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3565 nullfunc->seq_ctrl = 0;
3567 info = IEEE80211_SKB_CB(skb);
3569 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3570 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3573 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3576 nullfunc->qos_ctrl = cpu_to_le16(7);
3578 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3585 ieee80211_xmit(sdata, sta, skb, 0);
3591 mutex_unlock(&local->mtx);
3596 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3597 struct wireless_dev *wdev,
3598 struct cfg80211_chan_def *chandef)
3600 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3601 struct ieee80211_local *local = wiphy_priv(wiphy);
3602 struct ieee80211_chanctx_conf *chanctx_conf;
3606 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3608 *chandef = sdata->vif.bss_conf.chandef;
3610 } else if (local->open_count > 0 &&
3611 local->open_count == local->monitors &&
3612 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3613 if (local->use_chanctx)
3614 *chandef = local->monitor_chandef;
3616 *chandef = local->_oper_chandef;
3625 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3627 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3631 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3632 struct net_device *dev,
3633 struct cfg80211_qos_map *qos_map)
3635 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3636 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3639 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3642 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3644 /* A NULL qos_map was passed to disable QoS mapping */
3648 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3649 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3651 kfree_rcu(old_qos_map, rcu_head);
3656 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3657 struct net_device *dev,
3658 struct cfg80211_chan_def *chandef)
3660 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3664 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3666 ieee80211_bss_info_change_notify(sdata, changed);
3671 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3672 u8 tsid, const u8 *peer, u8 up,
3675 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3676 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3677 int ac = ieee802_1d_to_ac[up];
3679 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3682 if (!(sdata->wmm_acm & BIT(up)))
3685 if (ifmgd->tx_tspec[ac].admitted_time)
3688 if (admitted_time) {
3689 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3690 ifmgd->tx_tspec[ac].tsid = tsid;
3691 ifmgd->tx_tspec[ac].up = up;
3697 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3698 u8 tsid, const u8 *peer)
3700 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3701 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3702 struct ieee80211_local *local = wiphy_priv(wiphy);
3705 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3706 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3708 /* skip unused entries */
3709 if (!tx_tspec->admitted_time)
3712 if (tx_tspec->tsid != tsid)
3715 /* due to this new packets will be reassigned to non-ACM ACs */
3718 /* Make sure that all packets have been sent to avoid to
3719 * restore the QoS params on packets that are still on the
3723 ieee80211_flush_queues(local, sdata, false);
3725 /* restore the normal QoS parameters
3726 * (unconditionally to avoid races)
3728 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3729 tx_tspec->downgraded = false;
3730 ieee80211_sta_handle_tspec_ac_params(sdata);
3732 /* finally clear all the data */
3733 memset(tx_tspec, 0, sizeof(*tx_tspec));
3741 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3743 enum nl80211_nan_func_term_reason reason,
3746 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3747 struct cfg80211_nan_func *func;
3750 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3753 spin_lock_bh(&sdata->u.nan.func_lock);
3755 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3756 if (WARN_ON(!func)) {
3757 spin_unlock_bh(&sdata->u.nan.func_lock);
3761 cookie = func->cookie;
3762 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3764 spin_unlock_bh(&sdata->u.nan.func_lock);
3766 cfg80211_free_nan_func(func);
3768 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3769 reason, cookie, gfp);
3771 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3773 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3774 struct cfg80211_nan_match_params *match,
3777 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3778 struct cfg80211_nan_func *func;
3780 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3783 spin_lock_bh(&sdata->u.nan.func_lock);
3785 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3786 if (WARN_ON(!func)) {
3787 spin_unlock_bh(&sdata->u.nan.func_lock);
3790 match->cookie = func->cookie;
3792 spin_unlock_bh(&sdata->u.nan.func_lock);
3794 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3796 EXPORT_SYMBOL(ieee80211_nan_func_match);
3798 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3799 struct net_device *dev,
3802 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3804 sdata->u.ap.multicast_to_unicast = enabled;
3809 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3810 struct txq_info *txqi)
3812 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3813 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3814 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3817 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3818 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3819 txqstats->backlog_packets = txqi->tin.backlog_packets;
3822 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3823 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3824 txqstats->flows = txqi->tin.flows;
3827 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3828 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3829 txqstats->drops = txqi->cstats.drop_count;
3832 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3833 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3834 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3837 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3838 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3839 txqstats->overlimit = txqi->tin.overlimit;
3842 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3843 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3844 txqstats->collisions = txqi->tin.collisions;
3847 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3848 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3849 txqstats->tx_bytes = txqi->tin.tx_bytes;
3852 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3853 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3854 txqstats->tx_packets = txqi->tin.tx_packets;
3858 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3859 struct wireless_dev *wdev,
3860 struct cfg80211_txq_stats *txqstats)
3862 struct ieee80211_local *local = wiphy_priv(wiphy);
3863 struct ieee80211_sub_if_data *sdata;
3866 if (!local->ops->wake_tx_queue)
3869 spin_lock_bh(&local->fq.lock);
3873 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3874 if (!sdata->vif.txq) {
3878 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3881 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3882 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3883 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3884 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3885 BIT(NL80211_TXQ_STATS_COLLISIONS) |
3886 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3887 txqstats->backlog_packets = local->fq.backlog;
3888 txqstats->backlog_bytes = local->fq.memory_usage;
3889 txqstats->overlimit = local->fq.overlimit;
3890 txqstats->overmemory = local->fq.overmemory;
3891 txqstats->collisions = local->fq.collisions;
3892 txqstats->max_flows = local->fq.flows_cnt;
3897 spin_unlock_bh(&local->fq.lock);
3903 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3904 struct net_device *dev,
3905 struct cfg80211_ftm_responder_stats *ftm_stats)
3907 struct ieee80211_local *local = wiphy_priv(wiphy);
3908 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3910 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
3914 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3915 struct cfg80211_pmsr_request *request)
3917 struct ieee80211_local *local = wiphy_priv(wiphy);
3918 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3920 return drv_start_pmsr(local, sdata, request);
3924 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3925 struct cfg80211_pmsr_request *request)
3927 struct ieee80211_local *local = wiphy_priv(wiphy);
3928 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3930 return drv_abort_pmsr(local, sdata, request);
3933 static int ieee80211_set_tid_config(struct wiphy *wiphy,
3934 struct net_device *dev,
3935 struct cfg80211_tid_config *tid_conf)
3937 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3938 struct sta_info *sta;
3941 if (!sdata->local->ops->set_tid_config)
3944 if (!tid_conf->peer)
3945 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
3947 mutex_lock(&sdata->local->sta_mtx);
3948 sta = sta_info_get_bss(sdata, tid_conf->peer);
3950 mutex_unlock(&sdata->local->sta_mtx);
3954 ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
3955 mutex_unlock(&sdata->local->sta_mtx);
3960 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
3961 struct net_device *dev,
3962 const u8 *peer, u8 tids)
3964 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3965 struct sta_info *sta;
3968 if (!sdata->local->ops->reset_tid_config)
3972 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
3974 mutex_lock(&sdata->local->sta_mtx);
3975 sta = sta_info_get_bss(sdata, peer);
3977 mutex_unlock(&sdata->local->sta_mtx);
3981 ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
3982 mutex_unlock(&sdata->local->sta_mtx);
3987 const struct cfg80211_ops mac80211_config_ops = {
3988 .add_virtual_intf = ieee80211_add_iface,
3989 .del_virtual_intf = ieee80211_del_iface,
3990 .change_virtual_intf = ieee80211_change_iface,
3991 .start_p2p_device = ieee80211_start_p2p_device,
3992 .stop_p2p_device = ieee80211_stop_p2p_device,
3993 .add_key = ieee80211_add_key,
3994 .del_key = ieee80211_del_key,
3995 .get_key = ieee80211_get_key,
3996 .set_default_key = ieee80211_config_default_key,
3997 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3998 .set_default_beacon_key = ieee80211_config_default_beacon_key,
3999 .start_ap = ieee80211_start_ap,
4000 .change_beacon = ieee80211_change_beacon,
4001 .stop_ap = ieee80211_stop_ap,
4002 .add_station = ieee80211_add_station,
4003 .del_station = ieee80211_del_station,
4004 .change_station = ieee80211_change_station,
4005 .get_station = ieee80211_get_station,
4006 .dump_station = ieee80211_dump_station,
4007 .dump_survey = ieee80211_dump_survey,
4008 #ifdef CONFIG_MAC80211_MESH
4009 .add_mpath = ieee80211_add_mpath,
4010 .del_mpath = ieee80211_del_mpath,
4011 .change_mpath = ieee80211_change_mpath,
4012 .get_mpath = ieee80211_get_mpath,
4013 .dump_mpath = ieee80211_dump_mpath,
4014 .get_mpp = ieee80211_get_mpp,
4015 .dump_mpp = ieee80211_dump_mpp,
4016 .update_mesh_config = ieee80211_update_mesh_config,
4017 .get_mesh_config = ieee80211_get_mesh_config,
4018 .join_mesh = ieee80211_join_mesh,
4019 .leave_mesh = ieee80211_leave_mesh,
4021 .join_ocb = ieee80211_join_ocb,
4022 .leave_ocb = ieee80211_leave_ocb,
4023 .change_bss = ieee80211_change_bss,
4024 .set_txq_params = ieee80211_set_txq_params,
4025 .set_monitor_channel = ieee80211_set_monitor_channel,
4026 .suspend = ieee80211_suspend,
4027 .resume = ieee80211_resume,
4028 .scan = ieee80211_scan,
4029 .abort_scan = ieee80211_abort_scan,
4030 .sched_scan_start = ieee80211_sched_scan_start,
4031 .sched_scan_stop = ieee80211_sched_scan_stop,
4032 .auth = ieee80211_auth,
4033 .assoc = ieee80211_assoc,
4034 .deauth = ieee80211_deauth,
4035 .disassoc = ieee80211_disassoc,
4036 .join_ibss = ieee80211_join_ibss,
4037 .leave_ibss = ieee80211_leave_ibss,
4038 .set_mcast_rate = ieee80211_set_mcast_rate,
4039 .set_wiphy_params = ieee80211_set_wiphy_params,
4040 .set_tx_power = ieee80211_set_tx_power,
4041 .get_tx_power = ieee80211_get_tx_power,
4042 .set_wds_peer = ieee80211_set_wds_peer,
4043 .rfkill_poll = ieee80211_rfkill_poll,
4044 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4045 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4046 .set_power_mgmt = ieee80211_set_power_mgmt,
4047 .set_bitrate_mask = ieee80211_set_bitrate_mask,
4048 .remain_on_channel = ieee80211_remain_on_channel,
4049 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4050 .mgmt_tx = ieee80211_mgmt_tx,
4051 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4052 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4053 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4054 .update_mgmt_frame_registrations =
4055 ieee80211_update_mgmt_frame_registrations,
4056 .set_antenna = ieee80211_set_antenna,
4057 .get_antenna = ieee80211_get_antenna,
4058 .set_rekey_data = ieee80211_set_rekey_data,
4059 .tdls_oper = ieee80211_tdls_oper,
4060 .tdls_mgmt = ieee80211_tdls_mgmt,
4061 .tdls_channel_switch = ieee80211_tdls_channel_switch,
4062 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4063 .probe_client = ieee80211_probe_client,
4064 .set_noack_map = ieee80211_set_noack_map,
4066 .set_wakeup = ieee80211_set_wakeup,
4068 .get_channel = ieee80211_cfg_get_channel,
4069 .start_radar_detection = ieee80211_start_radar_detection,
4070 .end_cac = ieee80211_end_cac,
4071 .channel_switch = ieee80211_channel_switch,
4072 .set_qos_map = ieee80211_set_qos_map,
4073 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4074 .add_tx_ts = ieee80211_add_tx_ts,
4075 .del_tx_ts = ieee80211_del_tx_ts,
4076 .start_nan = ieee80211_start_nan,
4077 .stop_nan = ieee80211_stop_nan,
4078 .nan_change_conf = ieee80211_nan_change_conf,
4079 .add_nan_func = ieee80211_add_nan_func,
4080 .del_nan_func = ieee80211_del_nan_func,
4081 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4082 .tx_control_port = ieee80211_tx_control_port,
4083 .get_txq_stats = ieee80211_get_txq_stats,
4084 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4085 .start_pmsr = ieee80211_start_pmsr,
4086 .abort_pmsr = ieee80211_abort_pmsr,
4087 .probe_mesh_link = ieee80211_probe_mesh_link,
4088 .set_tid_config = ieee80211_set_tid_config,
4089 .reset_tid_config = ieee80211_reset_tid_config,