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);
712 WARN_ON_ONCE(sband && !sband->bitrates);
713 if (sband && sband->bitrates) {
714 brate = sband->bitrates[rate->idx].bitrate;
715 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
718 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
719 rinfo->bw = RATE_INFO_BW_40;
720 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
721 rinfo->bw = RATE_INFO_BW_80;
722 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
723 rinfo->bw = RATE_INFO_BW_160;
725 rinfo->bw = RATE_INFO_BW_20;
726 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
727 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
730 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
731 int idx, u8 *mac, struct station_info *sinfo)
733 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
734 struct ieee80211_local *local = sdata->local;
735 struct sta_info *sta;
738 mutex_lock(&local->sta_mtx);
740 sta = sta_info_get_by_idx(sdata, idx);
743 memcpy(mac, sta->sta.addr, ETH_ALEN);
744 sta_set_sinfo(sta, sinfo, true);
747 mutex_unlock(&local->sta_mtx);
752 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
753 int idx, struct survey_info *survey)
755 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
757 return drv_get_survey(local, idx, survey);
760 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
761 const u8 *mac, struct station_info *sinfo)
763 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
764 struct ieee80211_local *local = sdata->local;
765 struct sta_info *sta;
768 mutex_lock(&local->sta_mtx);
770 sta = sta_info_get_bss(sdata, mac);
773 sta_set_sinfo(sta, sinfo, true);
776 mutex_unlock(&local->sta_mtx);
781 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
782 struct cfg80211_chan_def *chandef)
784 struct ieee80211_local *local = wiphy_priv(wiphy);
785 struct ieee80211_sub_if_data *sdata;
788 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
791 mutex_lock(&local->mtx);
792 if (local->use_chanctx) {
793 sdata = rtnl_dereference(local->monitor_sdata);
795 ieee80211_vif_release_channel(sdata);
796 ret = ieee80211_vif_use_channel(sdata, chandef,
797 IEEE80211_CHANCTX_EXCLUSIVE);
799 } else if (local->open_count == local->monitors) {
800 local->_oper_chandef = *chandef;
801 ieee80211_hw_config(local, 0);
805 local->monitor_chandef = *chandef;
806 mutex_unlock(&local->mtx);
811 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
812 const u8 *resp, size_t resp_len,
813 const struct ieee80211_csa_settings *csa)
815 struct probe_resp *new, *old;
817 if (!resp || !resp_len)
820 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
822 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
827 memcpy(new->data, resp, resp_len);
830 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp,
831 csa->n_counter_offsets_presp *
832 sizeof(new->cntdwn_counter_offsets[0]));
834 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
836 kfree_rcu(old, rcu_head);
841 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
842 struct cfg80211_fils_discovery *params)
844 struct fils_discovery_data *new, *old = NULL;
845 struct ieee80211_fils_discovery *fd;
847 if (!params->tmpl || !params->tmpl_len)
850 fd = &sdata->vif.bss_conf.fils_discovery;
851 fd->min_interval = params->min_interval;
852 fd->max_interval = params->max_interval;
854 old = sdata_dereference(sdata->u.ap.fils_discovery, sdata);
855 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
858 new->len = params->tmpl_len;
859 memcpy(new->data, params->tmpl, params->tmpl_len);
860 rcu_assign_pointer(sdata->u.ap.fils_discovery, new);
863 kfree_rcu(old, rcu_head);
869 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
870 struct cfg80211_unsol_bcast_probe_resp *params)
872 struct unsol_bcast_probe_resp_data *new, *old = NULL;
874 if (!params->tmpl || !params->tmpl_len)
877 old = sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp, sdata);
878 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
881 new->len = params->tmpl_len;
882 memcpy(new->data, params->tmpl, params->tmpl_len);
883 rcu_assign_pointer(sdata->u.ap.unsol_bcast_probe_resp, new);
886 kfree_rcu(old, rcu_head);
888 sdata->vif.bss_conf.unsol_bcast_probe_resp_interval =
894 static int ieee80211_set_ftm_responder_params(
895 struct ieee80211_sub_if_data *sdata,
896 const u8 *lci, size_t lci_len,
897 const u8 *civicloc, size_t civicloc_len)
899 struct ieee80211_ftm_responder_params *new, *old;
900 struct ieee80211_bss_conf *bss_conf;
904 if (!lci_len && !civicloc_len)
907 bss_conf = &sdata->vif.bss_conf;
908 old = bss_conf->ftmr_params;
909 len = lci_len + civicloc_len;
911 new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
915 pos = (u8 *)(new + 1);
917 new->lci_len = lci_len;
919 memcpy(pos, lci, lci_len);
924 new->civicloc_len = civicloc_len;
926 memcpy(pos, civicloc, civicloc_len);
930 bss_conf->ftmr_params = new;
936 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
937 struct cfg80211_beacon_data *params,
938 const struct ieee80211_csa_settings *csa)
940 struct beacon_data *new, *old;
941 int new_head_len, new_tail_len;
943 u32 changed = BSS_CHANGED_BEACON;
945 old = sdata_dereference(sdata->u.ap.beacon, sdata);
948 /* Need to have a beacon head if we don't have one yet */
949 if (!params->head && !old)
952 /* new or old head? */
954 new_head_len = params->head_len;
956 new_head_len = old->head_len;
958 /* new or old tail? */
959 if (params->tail || !old)
960 /* params->tail_len will be zero for !params->tail */
961 new_tail_len = params->tail_len;
963 new_tail_len = old->tail_len;
965 size = sizeof(*new) + new_head_len + new_tail_len;
967 new = kzalloc(size, GFP_KERNEL);
971 /* start filling the new info now */
974 * pointers go into the block we allocated,
975 * memory is | beacon_data | head | tail |
977 new->head = ((u8 *) new) + sizeof(*new);
978 new->tail = new->head + new_head_len;
979 new->head_len = new_head_len;
980 new->tail_len = new_tail_len;
983 new->cntdwn_current_counter = csa->count;
984 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon,
985 csa->n_counter_offsets_beacon *
986 sizeof(new->cntdwn_counter_offsets[0]));
991 memcpy(new->head, params->head, new_head_len);
993 memcpy(new->head, old->head, new_head_len);
995 /* copy in optional tail */
997 memcpy(new->tail, params->tail, new_tail_len);
1000 memcpy(new->tail, old->tail, new_tail_len);
1002 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
1003 params->probe_resp_len, csa);
1009 changed |= BSS_CHANGED_AP_PROBE_RESP;
1011 if (params->ftm_responder != -1) {
1012 sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
1013 err = ieee80211_set_ftm_responder_params(sdata,
1017 params->civicloc_len);
1024 changed |= BSS_CHANGED_FTM_RESPONDER;
1027 rcu_assign_pointer(sdata->u.ap.beacon, new);
1030 kfree_rcu(old, rcu_head);
1035 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
1036 struct cfg80211_ap_settings *params)
1038 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1039 struct ieee80211_local *local = sdata->local;
1040 struct beacon_data *old;
1041 struct ieee80211_sub_if_data *vlan;
1042 u32 changed = BSS_CHANGED_BEACON_INT |
1043 BSS_CHANGED_BEACON_ENABLED |
1044 BSS_CHANGED_BEACON |
1046 BSS_CHANGED_P2P_PS |
1047 BSS_CHANGED_TXPOWER |
1050 int prev_beacon_int;
1052 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1056 if (params->smps_mode != NL80211_SMPS_OFF)
1059 sdata->smps_mode = IEEE80211_SMPS_OFF;
1061 sdata->needed_rx_chains = sdata->local->rx_chains;
1063 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1064 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1066 if (params->he_cap && params->he_oper) {
1067 sdata->vif.bss_conf.he_support = true;
1068 sdata->vif.bss_conf.htc_trig_based_pkt_ext =
1069 le32_get_bits(params->he_oper->he_oper_params,
1070 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1071 sdata->vif.bss_conf.frame_time_rts_th =
1072 le32_get_bits(params->he_oper->he_oper_params,
1073 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1074 changed |= BSS_CHANGED_HE_OBSS_PD;
1076 if (params->he_bss_color.enabled)
1077 changed |= BSS_CHANGED_HE_BSS_COLOR;
1080 mutex_lock(&local->mtx);
1081 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
1082 IEEE80211_CHANCTX_SHARED);
1084 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1085 mutex_unlock(&local->mtx);
1087 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1092 * Apply control port protocol, this allows us to
1093 * not encrypt dynamic WEP control frames.
1095 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1096 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1097 sdata->control_port_over_nl80211 =
1098 params->crypto.control_port_over_nl80211;
1099 sdata->control_port_no_preauth =
1100 params->crypto.control_port_no_preauth;
1101 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1105 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1106 vlan->control_port_protocol =
1107 params->crypto.control_port_ethertype;
1108 vlan->control_port_no_encrypt =
1109 params->crypto.control_port_no_encrypt;
1110 vlan->control_port_over_nl80211 =
1111 params->crypto.control_port_over_nl80211;
1112 vlan->control_port_no_preauth =
1113 params->crypto.control_port_no_preauth;
1114 vlan->encrypt_headroom =
1115 ieee80211_cs_headroom(sdata->local,
1120 sdata->vif.bss_conf.dtim_period = params->dtim_period;
1121 sdata->vif.bss_conf.enable_beacon = true;
1122 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1123 sdata->vif.bss_conf.twt_responder = params->twt_responder;
1124 memcpy(&sdata->vif.bss_conf.he_obss_pd, ¶ms->he_obss_pd,
1125 sizeof(struct ieee80211_he_obss_pd));
1126 memcpy(&sdata->vif.bss_conf.he_bss_color, ¶ms->he_bss_color,
1127 sizeof(struct ieee80211_he_bss_color));
1128 sdata->vif.bss_conf.s1g = params->chandef.chan->band ==
1131 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1132 if (params->ssid_len)
1133 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1135 sdata->vif.bss_conf.hidden_ssid =
1136 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1138 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1139 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1140 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1141 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1142 if (params->p2p_opp_ps)
1143 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1144 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1146 sdata->beacon_rate_set = false;
1147 if (wiphy_ext_feature_isset(local->hw.wiphy,
1148 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1149 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1150 sdata->beacon_rateidx_mask[i] =
1151 params->beacon_rate.control[i].legacy;
1152 if (sdata->beacon_rateidx_mask[i])
1153 sdata->beacon_rate_set = true;
1157 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
1158 sdata->vif.bss_conf.beacon_tx_rate = params->beacon_rate;
1160 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
1165 if (params->fils_discovery.max_interval) {
1166 err = ieee80211_set_fils_discovery(sdata,
1167 ¶ms->fils_discovery);
1170 changed |= BSS_CHANGED_FILS_DISCOVERY;
1173 if (params->unsol_bcast_probe_resp.interval) {
1174 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1175 ¶ms->unsol_bcast_probe_resp);
1178 changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
1181 err = drv_start_ap(sdata->local, sdata);
1183 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1186 kfree_rcu(old, rcu_head);
1187 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1191 ieee80211_recalc_dtim(local, sdata);
1192 ieee80211_bss_info_change_notify(sdata, changed);
1194 netif_carrier_on(dev);
1195 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1196 netif_carrier_on(vlan->dev);
1201 ieee80211_vif_release_channel(sdata);
1205 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1206 struct cfg80211_beacon_data *params)
1208 struct ieee80211_sub_if_data *sdata;
1209 struct beacon_data *old;
1212 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1213 sdata_assert_lock(sdata);
1215 /* don't allow changing the beacon while CSA is in place - offset
1216 * of channel switch counter may change
1218 if (sdata->vif.csa_active)
1221 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1225 err = ieee80211_assign_beacon(sdata, params, NULL);
1228 ieee80211_bss_info_change_notify(sdata, err);
1232 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1234 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1235 struct ieee80211_sub_if_data *vlan;
1236 struct ieee80211_local *local = sdata->local;
1237 struct beacon_data *old_beacon;
1238 struct probe_resp *old_probe_resp;
1239 struct fils_discovery_data *old_fils_discovery;
1240 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp;
1241 struct cfg80211_chan_def chandef;
1243 sdata_assert_lock(sdata);
1245 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1248 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1249 old_fils_discovery = sdata_dereference(sdata->u.ap.fils_discovery,
1251 old_unsol_bcast_probe_resp =
1252 sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp,
1255 /* abort any running channel switch */
1256 mutex_lock(&local->mtx);
1257 sdata->vif.csa_active = false;
1258 if (sdata->csa_block_tx) {
1259 ieee80211_wake_vif_queues(local, sdata,
1260 IEEE80211_QUEUE_STOP_REASON_CSA);
1261 sdata->csa_block_tx = false;
1264 mutex_unlock(&local->mtx);
1266 kfree(sdata->u.ap.next_beacon);
1267 sdata->u.ap.next_beacon = NULL;
1269 /* turn off carrier for this interface and dependent VLANs */
1270 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1271 netif_carrier_off(vlan->dev);
1272 netif_carrier_off(dev);
1274 /* remove beacon and probe response */
1275 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1276 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1277 RCU_INIT_POINTER(sdata->u.ap.fils_discovery, NULL);
1278 RCU_INIT_POINTER(sdata->u.ap.unsol_bcast_probe_resp, NULL);
1279 kfree_rcu(old_beacon, rcu_head);
1281 kfree_rcu(old_probe_resp, rcu_head);
1282 if (old_fils_discovery)
1283 kfree_rcu(old_fils_discovery, rcu_head);
1284 if (old_unsol_bcast_probe_resp)
1285 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head);
1287 kfree(sdata->vif.bss_conf.ftmr_params);
1288 sdata->vif.bss_conf.ftmr_params = NULL;
1290 __sta_info_flush(sdata, true);
1291 ieee80211_free_keys(sdata, true);
1293 sdata->vif.bss_conf.enable_beacon = false;
1294 sdata->beacon_rate_set = false;
1295 sdata->vif.bss_conf.ssid_len = 0;
1296 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1297 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1299 if (sdata->wdev.cac_started) {
1300 chandef = sdata->vif.bss_conf.chandef;
1301 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1302 cfg80211_cac_event(sdata->dev, &chandef,
1303 NL80211_RADAR_CAC_ABORTED,
1307 drv_stop_ap(sdata->local, sdata);
1309 /* free all potentially still buffered bcast frames */
1310 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1311 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1313 mutex_lock(&local->mtx);
1314 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1315 ieee80211_vif_release_channel(sdata);
1316 mutex_unlock(&local->mtx);
1321 static int sta_apply_auth_flags(struct ieee80211_local *local,
1322 struct sta_info *sta,
1327 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1328 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1329 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1330 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1335 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1336 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1337 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1339 * When peer becomes associated, init rate control as
1340 * well. Some drivers require rate control initialized
1341 * before drv_sta_state() is called.
1343 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1344 rate_control_rate_init(sta);
1346 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1351 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1352 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1353 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1354 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1355 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1362 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1363 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1364 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1365 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1370 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1371 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1372 test_sta_flag(sta, WLAN_STA_AUTH)) {
1373 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1381 static void sta_apply_mesh_params(struct ieee80211_local *local,
1382 struct sta_info *sta,
1383 struct station_parameters *params)
1385 #ifdef CONFIG_MAC80211_MESH
1386 struct ieee80211_sub_if_data *sdata = sta->sdata;
1389 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1390 switch (params->plink_state) {
1391 case NL80211_PLINK_ESTAB:
1392 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1393 changed = mesh_plink_inc_estab_count(sdata);
1394 sta->mesh->plink_state = params->plink_state;
1395 sta->mesh->aid = params->peer_aid;
1397 ieee80211_mps_sta_status_update(sta);
1398 changed |= ieee80211_mps_set_sta_local_pm(sta,
1399 sdata->u.mesh.mshcfg.power_mode);
1401 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1402 /* init at low value */
1403 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1406 case NL80211_PLINK_LISTEN:
1407 case NL80211_PLINK_BLOCKED:
1408 case NL80211_PLINK_OPN_SNT:
1409 case NL80211_PLINK_OPN_RCVD:
1410 case NL80211_PLINK_CNF_RCVD:
1411 case NL80211_PLINK_HOLDING:
1412 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1413 changed = mesh_plink_dec_estab_count(sdata);
1414 sta->mesh->plink_state = params->plink_state;
1416 ieee80211_mps_sta_status_update(sta);
1417 changed |= ieee80211_mps_set_sta_local_pm(sta,
1418 NL80211_MESH_POWER_UNKNOWN);
1426 switch (params->plink_action) {
1427 case NL80211_PLINK_ACTION_NO_ACTION:
1430 case NL80211_PLINK_ACTION_OPEN:
1431 changed |= mesh_plink_open(sta);
1433 case NL80211_PLINK_ACTION_BLOCK:
1434 changed |= mesh_plink_block(sta);
1438 if (params->local_pm)
1439 changed |= ieee80211_mps_set_sta_local_pm(sta,
1442 ieee80211_mbss_info_change_notify(sdata, changed);
1446 static int sta_apply_parameters(struct ieee80211_local *local,
1447 struct sta_info *sta,
1448 struct station_parameters *params)
1451 struct ieee80211_supported_band *sband;
1452 struct ieee80211_sub_if_data *sdata = sta->sdata;
1455 sband = ieee80211_get_sband(sdata);
1459 mask = params->sta_flags_mask;
1460 set = params->sta_flags_set;
1462 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1464 * In mesh mode, ASSOCIATED isn't part of the nl80211
1465 * API but must follow AUTHENTICATED for driver state.
1467 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1468 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1469 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1470 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1471 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1473 * TDLS -- everything follows authorized, but
1474 * only becoming authorized is possible, not
1477 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1478 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1479 BIT(NL80211_STA_FLAG_ASSOCIATED);
1480 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1481 BIT(NL80211_STA_FLAG_ASSOCIATED);
1485 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1486 local->hw.queues >= IEEE80211_NUM_ACS)
1487 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1489 /* auth flags will be set later for TDLS,
1490 * and for unassociated stations that move to assocaited */
1491 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1492 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1493 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1494 ret = sta_apply_auth_flags(local, sta, mask, set);
1499 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1500 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1501 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1503 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1506 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1507 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1508 if (set & BIT(NL80211_STA_FLAG_MFP))
1509 set_sta_flag(sta, WLAN_STA_MFP);
1511 clear_sta_flag(sta, WLAN_STA_MFP);
1514 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1515 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1516 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1518 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1521 /* mark TDLS channel switch support, if the AP allows it */
1522 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1523 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1524 params->ext_capab_len >= 4 &&
1525 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1526 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1528 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1529 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1530 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1531 params->ext_capab_len >= 8 &&
1532 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1533 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1535 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1536 sta->sta.uapsd_queues = params->uapsd_queues;
1537 sta->sta.max_sp = params->max_sp;
1540 /* The sender might not have sent the last bit, consider it to be 0 */
1541 if (params->ext_capab_len >= 8) {
1542 u8 val = (params->ext_capab[7] &
1543 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1545 /* we did get all the bits, take the MSB as well */
1546 if (params->ext_capab_len >= 9) {
1547 u8 val_msb = params->ext_capab[8] &
1548 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1555 sta->sta.max_amsdu_subframes = 32;
1558 sta->sta.max_amsdu_subframes = 16;
1561 sta->sta.max_amsdu_subframes = 8;
1564 sta->sta.max_amsdu_subframes = 0;
1569 * cfg80211 validates this (1-2007) and allows setting the AID
1570 * only when creating a new station entry
1573 sta->sta.aid = params->aid;
1576 * Some of the following updates would be racy if called on an
1577 * existing station, via ieee80211_change_station(). However,
1578 * all such changes are rejected by cfg80211 except for updates
1579 * changing the supported rates on an existing but not yet used
1583 if (params->listen_interval >= 0)
1584 sta->listen_interval = params->listen_interval;
1586 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1587 sta->sta.txpwr.type = params->txpwr.type;
1588 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1589 sta->sta.txpwr.power = params->txpwr.power;
1590 ret = drv_sta_set_txpwr(local, sdata, sta);
1595 if (params->supported_rates && params->supported_rates_len) {
1596 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1597 sband, params->supported_rates,
1598 params->supported_rates_len,
1599 &sta->sta.supp_rates[sband->band]);
1602 if (params->ht_capa)
1603 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1604 params->ht_capa, sta);
1606 /* VHT can override some HT caps such as the A-MSDU max length */
1607 if (params->vht_capa)
1608 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1609 params->vht_capa, sta);
1611 if (params->he_capa)
1612 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1613 (void *)params->he_capa,
1614 params->he_capa_len,
1615 (void *)params->he_6ghz_capa,
1618 if (params->opmode_notif_used) {
1619 /* returned value is only needed for rc update, but the
1620 * rc isn't initialized here yet, so ignore it
1622 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1626 if (params->support_p2p_ps >= 0)
1627 sta->sta.support_p2p_ps = params->support_p2p_ps;
1629 if (ieee80211_vif_is_mesh(&sdata->vif))
1630 sta_apply_mesh_params(local, sta, params);
1632 if (params->airtime_weight)
1633 sta->airtime_weight = params->airtime_weight;
1635 /* set the STA state after all sta info from usermode has been set */
1636 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1637 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1638 ret = sta_apply_auth_flags(local, sta, mask, set);
1646 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1648 struct station_parameters *params)
1650 struct ieee80211_local *local = wiphy_priv(wiphy);
1651 struct sta_info *sta;
1652 struct ieee80211_sub_if_data *sdata;
1656 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1658 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1659 sdata->vif.type != NL80211_IFTYPE_AP)
1662 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1664 if (ether_addr_equal(mac, sdata->vif.addr))
1667 if (!is_valid_ether_addr(mac))
1670 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1671 sdata->vif.type == NL80211_IFTYPE_STATION &&
1672 !sdata->u.mgd.associated)
1675 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1679 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1680 sta->sta.tdls = true;
1682 err = sta_apply_parameters(local, sta, params);
1684 sta_info_free(local, sta);
1689 * for TDLS and for unassociated station, rate control should be
1690 * initialized only when rates are known and station is marked
1691 * authorized/associated
1693 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1694 test_sta_flag(sta, WLAN_STA_ASSOC))
1695 rate_control_rate_init(sta);
1697 err = sta_info_insert_rcu(sta);
1708 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1709 struct station_del_parameters *params)
1711 struct ieee80211_sub_if_data *sdata;
1713 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1716 return sta_info_destroy_addr_bss(sdata, params->mac);
1718 sta_info_flush(sdata);
1722 static int ieee80211_change_station(struct wiphy *wiphy,
1723 struct net_device *dev, const u8 *mac,
1724 struct station_parameters *params)
1726 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1727 struct ieee80211_local *local = wiphy_priv(wiphy);
1728 struct sta_info *sta;
1729 struct ieee80211_sub_if_data *vlansdata;
1730 enum cfg80211_station_type statype;
1733 mutex_lock(&local->sta_mtx);
1735 sta = sta_info_get_bss(sdata, mac);
1741 switch (sdata->vif.type) {
1742 case NL80211_IFTYPE_MESH_POINT:
1743 if (sdata->u.mesh.user_mpm)
1744 statype = CFG80211_STA_MESH_PEER_USER;
1746 statype = CFG80211_STA_MESH_PEER_KERNEL;
1748 case NL80211_IFTYPE_ADHOC:
1749 statype = CFG80211_STA_IBSS;
1751 case NL80211_IFTYPE_STATION:
1752 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1753 statype = CFG80211_STA_AP_STA;
1756 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1757 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1759 statype = CFG80211_STA_TDLS_PEER_SETUP;
1761 case NL80211_IFTYPE_AP:
1762 case NL80211_IFTYPE_AP_VLAN:
1763 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1764 statype = CFG80211_STA_AP_CLIENT;
1766 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1773 err = cfg80211_check_station_change(wiphy, params, statype);
1777 if (params->vlan && params->vlan != sta->sdata->dev) {
1778 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1780 if (params->vlan->ieee80211_ptr->use_4addr) {
1781 if (vlansdata->u.vlan.sta) {
1786 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1787 __ieee80211_check_fast_rx_iface(vlansdata);
1788 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
1791 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1792 sta->sdata->u.vlan.sta)
1793 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1795 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1796 ieee80211_vif_dec_num_mcast(sta->sdata);
1798 sta->sdata = vlansdata;
1799 ieee80211_check_fast_xmit(sta);
1801 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1802 ieee80211_vif_inc_num_mcast(sta->sdata);
1803 cfg80211_send_layer2_update(sta->sdata->dev,
1808 err = sta_apply_parameters(local, sta, params);
1812 mutex_unlock(&local->sta_mtx);
1814 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1815 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1816 ieee80211_recalc_ps(local);
1817 ieee80211_recalc_ps_vif(sdata);
1822 mutex_unlock(&local->sta_mtx);
1826 #ifdef CONFIG_MAC80211_MESH
1827 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1828 const u8 *dst, const u8 *next_hop)
1830 struct ieee80211_sub_if_data *sdata;
1831 struct mesh_path *mpath;
1832 struct sta_info *sta;
1834 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1837 sta = sta_info_get(sdata, next_hop);
1843 mpath = mesh_path_add(sdata, dst);
1844 if (IS_ERR(mpath)) {
1846 return PTR_ERR(mpath);
1849 mesh_path_fix_nexthop(mpath, sta);
1855 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1858 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1861 return mesh_path_del(sdata, dst);
1863 mesh_path_flush_by_iface(sdata);
1867 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1868 const u8 *dst, const u8 *next_hop)
1870 struct ieee80211_sub_if_data *sdata;
1871 struct mesh_path *mpath;
1872 struct sta_info *sta;
1874 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1878 sta = sta_info_get(sdata, next_hop);
1884 mpath = mesh_path_lookup(sdata, dst);
1890 mesh_path_fix_nexthop(mpath, sta);
1896 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1897 struct mpath_info *pinfo)
1899 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1902 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1904 eth_zero_addr(next_hop);
1906 memset(pinfo, 0, sizeof(*pinfo));
1908 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1910 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1913 MPATH_INFO_EXPTIME |
1914 MPATH_INFO_DISCOVERY_TIMEOUT |
1915 MPATH_INFO_DISCOVERY_RETRIES |
1917 MPATH_INFO_HOP_COUNT |
1918 MPATH_INFO_PATH_CHANGE;
1920 pinfo->frame_qlen = mpath->frame_queue.qlen;
1921 pinfo->sn = mpath->sn;
1922 pinfo->metric = mpath->metric;
1923 if (time_before(jiffies, mpath->exp_time))
1924 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1925 pinfo->discovery_timeout =
1926 jiffies_to_msecs(mpath->discovery_timeout);
1927 pinfo->discovery_retries = mpath->discovery_retries;
1928 if (mpath->flags & MESH_PATH_ACTIVE)
1929 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1930 if (mpath->flags & MESH_PATH_RESOLVING)
1931 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1932 if (mpath->flags & MESH_PATH_SN_VALID)
1933 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1934 if (mpath->flags & MESH_PATH_FIXED)
1935 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1936 if (mpath->flags & MESH_PATH_RESOLVED)
1937 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1938 pinfo->hop_count = mpath->hop_count;
1939 pinfo->path_change_count = mpath->path_change_count;
1942 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1943 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1946 struct ieee80211_sub_if_data *sdata;
1947 struct mesh_path *mpath;
1949 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1952 mpath = mesh_path_lookup(sdata, dst);
1957 memcpy(dst, mpath->dst, ETH_ALEN);
1958 mpath_set_pinfo(mpath, next_hop, pinfo);
1963 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1964 int idx, u8 *dst, u8 *next_hop,
1965 struct mpath_info *pinfo)
1967 struct ieee80211_sub_if_data *sdata;
1968 struct mesh_path *mpath;
1970 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1973 mpath = mesh_path_lookup_by_idx(sdata, idx);
1978 memcpy(dst, mpath->dst, ETH_ALEN);
1979 mpath_set_pinfo(mpath, next_hop, pinfo);
1984 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1985 struct mpath_info *pinfo)
1987 memset(pinfo, 0, sizeof(*pinfo));
1988 memcpy(mpp, mpath->mpp, ETH_ALEN);
1990 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1993 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1994 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1997 struct ieee80211_sub_if_data *sdata;
1998 struct mesh_path *mpath;
2000 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2003 mpath = mpp_path_lookup(sdata, dst);
2008 memcpy(dst, mpath->dst, ETH_ALEN);
2009 mpp_set_pinfo(mpath, mpp, pinfo);
2014 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
2015 int idx, u8 *dst, u8 *mpp,
2016 struct mpath_info *pinfo)
2018 struct ieee80211_sub_if_data *sdata;
2019 struct mesh_path *mpath;
2021 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2024 mpath = mpp_path_lookup_by_idx(sdata, idx);
2029 memcpy(dst, mpath->dst, ETH_ALEN);
2030 mpp_set_pinfo(mpath, mpp, pinfo);
2035 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
2036 struct net_device *dev,
2037 struct mesh_config *conf)
2039 struct ieee80211_sub_if_data *sdata;
2040 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2042 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
2046 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
2048 return (mask >> (parm-1)) & 0x1;
2051 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
2052 const struct mesh_setup *setup)
2056 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
2057 struct ieee80211_sub_if_data, u.mesh);
2060 /* allocate information elements */
2064 if (setup->ie_len) {
2065 new_ie = kmemdup(setup->ie, setup->ie_len,
2070 ifmsh->ie_len = setup->ie_len;
2074 /* now copy the rest of the setup parameters */
2075 ifmsh->mesh_id_len = setup->mesh_id_len;
2076 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
2077 ifmsh->mesh_sp_id = setup->sync_method;
2078 ifmsh->mesh_pp_id = setup->path_sel_proto;
2079 ifmsh->mesh_pm_id = setup->path_metric;
2080 ifmsh->user_mpm = setup->user_mpm;
2081 ifmsh->mesh_auth_id = setup->auth_id;
2082 ifmsh->security = IEEE80211_MESH_SEC_NONE;
2083 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
2084 if (setup->is_authenticated)
2085 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
2086 if (setup->is_secure)
2087 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
2089 /* mcast rate setting in Mesh Node */
2090 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2091 sizeof(setup->mcast_rate));
2092 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2094 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2095 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2097 sdata->beacon_rate_set = false;
2098 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2099 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2100 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2101 sdata->beacon_rateidx_mask[i] =
2102 setup->beacon_rate.control[i].legacy;
2103 if (sdata->beacon_rateidx_mask[i])
2104 sdata->beacon_rate_set = true;
2111 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2112 struct net_device *dev, u32 mask,
2113 const struct mesh_config *nconf)
2115 struct mesh_config *conf;
2116 struct ieee80211_sub_if_data *sdata;
2117 struct ieee80211_if_mesh *ifmsh;
2119 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2120 ifmsh = &sdata->u.mesh;
2122 /* Set the config options which we are interested in setting */
2123 conf = &(sdata->u.mesh.mshcfg);
2124 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2125 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2126 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2127 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2128 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2129 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2130 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2131 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2132 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2133 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2134 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2135 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2136 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2137 conf->element_ttl = nconf->element_ttl;
2138 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2139 if (ifmsh->user_mpm)
2141 conf->auto_open_plinks = nconf->auto_open_plinks;
2143 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2144 conf->dot11MeshNbrOffsetMaxNeighbor =
2145 nconf->dot11MeshNbrOffsetMaxNeighbor;
2146 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2147 conf->dot11MeshHWMPmaxPREQretries =
2148 nconf->dot11MeshHWMPmaxPREQretries;
2149 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2150 conf->path_refresh_time = nconf->path_refresh_time;
2151 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2152 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2153 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2154 conf->dot11MeshHWMPactivePathTimeout =
2155 nconf->dot11MeshHWMPactivePathTimeout;
2156 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2157 conf->dot11MeshHWMPpreqMinInterval =
2158 nconf->dot11MeshHWMPpreqMinInterval;
2159 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2160 conf->dot11MeshHWMPperrMinInterval =
2161 nconf->dot11MeshHWMPperrMinInterval;
2162 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2164 conf->dot11MeshHWMPnetDiameterTraversalTime =
2165 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2166 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2167 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2168 ieee80211_mesh_root_setup(ifmsh);
2170 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2171 /* our current gate announcement implementation rides on root
2172 * announcements, so require this ifmsh to also be a root node
2174 if (nconf->dot11MeshGateAnnouncementProtocol &&
2175 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2176 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2177 ieee80211_mesh_root_setup(ifmsh);
2179 conf->dot11MeshGateAnnouncementProtocol =
2180 nconf->dot11MeshGateAnnouncementProtocol;
2182 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2183 conf->dot11MeshHWMPRannInterval =
2184 nconf->dot11MeshHWMPRannInterval;
2185 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2186 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2187 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2188 /* our RSSI threshold implementation is supported only for
2189 * devices that report signal in dBm.
2191 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2193 conf->rssi_threshold = nconf->rssi_threshold;
2195 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2196 conf->ht_opmode = nconf->ht_opmode;
2197 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2198 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2200 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2201 conf->dot11MeshHWMPactivePathToRootTimeout =
2202 nconf->dot11MeshHWMPactivePathToRootTimeout;
2203 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2204 conf->dot11MeshHWMProotInterval =
2205 nconf->dot11MeshHWMProotInterval;
2206 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2207 conf->dot11MeshHWMPconfirmationInterval =
2208 nconf->dot11MeshHWMPconfirmationInterval;
2209 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2210 conf->power_mode = nconf->power_mode;
2211 ieee80211_mps_local_status_update(sdata);
2213 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2214 conf->dot11MeshAwakeWindowDuration =
2215 nconf->dot11MeshAwakeWindowDuration;
2216 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2217 conf->plink_timeout = nconf->plink_timeout;
2218 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2219 conf->dot11MeshConnectedToMeshGate =
2220 nconf->dot11MeshConnectedToMeshGate;
2221 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
2222 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2223 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2224 conf->dot11MeshConnectedToAuthServer =
2225 nconf->dot11MeshConnectedToAuthServer;
2226 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2230 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2231 const struct mesh_config *conf,
2232 const struct mesh_setup *setup)
2234 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2235 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2238 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2239 err = copy_mesh_setup(ifmsh, setup);
2243 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2245 /* can mesh use other SMPS modes? */
2246 sdata->smps_mode = IEEE80211_SMPS_OFF;
2247 sdata->needed_rx_chains = sdata->local->rx_chains;
2249 mutex_lock(&sdata->local->mtx);
2250 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2251 IEEE80211_CHANCTX_SHARED);
2252 mutex_unlock(&sdata->local->mtx);
2256 return ieee80211_start_mesh(sdata);
2259 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2261 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2263 ieee80211_stop_mesh(sdata);
2264 mutex_lock(&sdata->local->mtx);
2265 ieee80211_vif_release_channel(sdata);
2266 kfree(sdata->u.mesh.ie);
2267 mutex_unlock(&sdata->local->mtx);
2273 static int ieee80211_change_bss(struct wiphy *wiphy,
2274 struct net_device *dev,
2275 struct bss_parameters *params)
2277 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2278 struct ieee80211_supported_band *sband;
2281 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2284 sband = ieee80211_get_sband(sdata);
2288 if (params->use_cts_prot >= 0) {
2289 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2290 changed |= BSS_CHANGED_ERP_CTS_PROT;
2292 if (params->use_short_preamble >= 0) {
2293 sdata->vif.bss_conf.use_short_preamble =
2294 params->use_short_preamble;
2295 changed |= BSS_CHANGED_ERP_PREAMBLE;
2298 if (!sdata->vif.bss_conf.use_short_slot &&
2299 (sband->band == NL80211_BAND_5GHZ ||
2300 sband->band == NL80211_BAND_6GHZ)) {
2301 sdata->vif.bss_conf.use_short_slot = true;
2302 changed |= BSS_CHANGED_ERP_SLOT;
2305 if (params->use_short_slot_time >= 0) {
2306 sdata->vif.bss_conf.use_short_slot =
2307 params->use_short_slot_time;
2308 changed |= BSS_CHANGED_ERP_SLOT;
2311 if (params->basic_rates) {
2312 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2313 wiphy->bands[sband->band],
2314 params->basic_rates,
2315 params->basic_rates_len,
2316 &sdata->vif.bss_conf.basic_rates);
2317 changed |= BSS_CHANGED_BASIC_RATES;
2318 ieee80211_check_rate_mask(sdata);
2321 if (params->ap_isolate >= 0) {
2322 if (params->ap_isolate)
2323 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2325 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2326 ieee80211_check_fast_rx_iface(sdata);
2329 if (params->ht_opmode >= 0) {
2330 sdata->vif.bss_conf.ht_operation_mode =
2331 (u16) params->ht_opmode;
2332 changed |= BSS_CHANGED_HT;
2335 if (params->p2p_ctwindow >= 0) {
2336 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2337 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2338 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2339 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2340 changed |= BSS_CHANGED_P2P_PS;
2343 if (params->p2p_opp_ps > 0) {
2344 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2345 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2346 changed |= BSS_CHANGED_P2P_PS;
2347 } else if (params->p2p_opp_ps == 0) {
2348 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2349 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2350 changed |= BSS_CHANGED_P2P_PS;
2353 ieee80211_bss_info_change_notify(sdata, changed);
2358 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2359 struct net_device *dev,
2360 struct ieee80211_txq_params *params)
2362 struct ieee80211_local *local = wiphy_priv(wiphy);
2363 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2364 struct ieee80211_tx_queue_params p;
2366 if (!local->ops->conf_tx)
2369 if (local->hw.queues < IEEE80211_NUM_ACS)
2372 memset(&p, 0, sizeof(p));
2373 p.aifs = params->aifs;
2374 p.cw_max = params->cwmax;
2375 p.cw_min = params->cwmin;
2376 p.txop = params->txop;
2379 * Setting tx queue params disables u-apsd because it's only
2380 * called in master mode.
2384 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2386 sdata->tx_conf[params->ac] = p;
2387 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2388 wiphy_debug(local->hw.wiphy,
2389 "failed to set TX queue parameters for AC %d\n",
2394 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2400 static int ieee80211_suspend(struct wiphy *wiphy,
2401 struct cfg80211_wowlan *wowlan)
2403 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2406 static int ieee80211_resume(struct wiphy *wiphy)
2408 return __ieee80211_resume(wiphy_priv(wiphy));
2411 #define ieee80211_suspend NULL
2412 #define ieee80211_resume NULL
2415 static int ieee80211_scan(struct wiphy *wiphy,
2416 struct cfg80211_scan_request *req)
2418 struct ieee80211_sub_if_data *sdata;
2420 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2422 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2423 case NL80211_IFTYPE_STATION:
2424 case NL80211_IFTYPE_ADHOC:
2425 case NL80211_IFTYPE_MESH_POINT:
2426 case NL80211_IFTYPE_P2P_CLIENT:
2427 case NL80211_IFTYPE_P2P_DEVICE:
2429 case NL80211_IFTYPE_P2P_GO:
2430 if (sdata->local->ops->hw_scan)
2433 * FIXME: implement NoA while scanning in software,
2434 * for now fall through to allow scanning only when
2435 * beaconing hasn't been configured yet
2438 case NL80211_IFTYPE_AP:
2440 * If the scan has been forced (and the driver supports
2441 * forcing), don't care about being beaconing already.
2442 * This will create problems to the attached stations (e.g. all
2443 * the frames sent while scanning on other channel will be
2446 if (sdata->u.ap.beacon &&
2447 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2448 !(req->flags & NL80211_SCAN_FLAG_AP)))
2451 case NL80211_IFTYPE_NAN:
2456 return ieee80211_request_scan(sdata, req);
2459 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2461 ieee80211_scan_cancel(wiphy_priv(wiphy));
2465 ieee80211_sched_scan_start(struct wiphy *wiphy,
2466 struct net_device *dev,
2467 struct cfg80211_sched_scan_request *req)
2469 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2471 if (!sdata->local->ops->sched_scan_start)
2474 return ieee80211_request_sched_scan_start(sdata, req);
2478 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2481 struct ieee80211_local *local = wiphy_priv(wiphy);
2483 if (!local->ops->sched_scan_stop)
2486 return ieee80211_request_sched_scan_stop(local);
2489 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2490 struct cfg80211_auth_request *req)
2492 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2495 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2496 struct cfg80211_assoc_request *req)
2498 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2501 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2502 struct cfg80211_deauth_request *req)
2504 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2507 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2508 struct cfg80211_disassoc_request *req)
2510 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2513 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2514 struct cfg80211_ibss_params *params)
2516 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2519 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2521 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2524 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2525 struct ocb_setup *setup)
2527 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2530 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2532 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2535 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2536 int rate[NUM_NL80211_BANDS])
2538 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2540 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2541 sizeof(int) * NUM_NL80211_BANDS);
2543 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2548 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2550 struct ieee80211_local *local = wiphy_priv(wiphy);
2553 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2554 ieee80211_check_fast_xmit_all(local);
2556 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2559 ieee80211_check_fast_xmit_all(local);
2564 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2565 (changed & WIPHY_PARAM_DYN_ACK)) {
2568 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2569 wiphy->coverage_class : -1;
2570 err = drv_set_coverage_class(local, coverage_class);
2576 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2577 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2583 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2584 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2586 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2588 if (changed & WIPHY_PARAM_RETRY_LONG) {
2589 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2591 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2594 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2595 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2597 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2598 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2599 WIPHY_PARAM_TXQ_QUANTUM))
2600 ieee80211_txq_set_params(local);
2605 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2606 struct wireless_dev *wdev,
2607 enum nl80211_tx_power_setting type, int mbm)
2609 struct ieee80211_local *local = wiphy_priv(wiphy);
2610 struct ieee80211_sub_if_data *sdata;
2611 enum nl80211_tx_power_setting txp_type = type;
2612 bool update_txp_type = false;
2613 bool has_monitor = false;
2616 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2618 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2619 sdata = rtnl_dereference(local->monitor_sdata);
2625 case NL80211_TX_POWER_AUTOMATIC:
2626 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2627 txp_type = NL80211_TX_POWER_LIMITED;
2629 case NL80211_TX_POWER_LIMITED:
2630 case NL80211_TX_POWER_FIXED:
2631 if (mbm < 0 || (mbm % 100))
2633 sdata->user_power_level = MBM_TO_DBM(mbm);
2637 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2638 update_txp_type = true;
2639 sdata->vif.bss_conf.txpower_type = txp_type;
2642 ieee80211_recalc_txpower(sdata, update_txp_type);
2648 case NL80211_TX_POWER_AUTOMATIC:
2649 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2650 txp_type = NL80211_TX_POWER_LIMITED;
2652 case NL80211_TX_POWER_LIMITED:
2653 case NL80211_TX_POWER_FIXED:
2654 if (mbm < 0 || (mbm % 100))
2656 local->user_power_level = MBM_TO_DBM(mbm);
2660 mutex_lock(&local->iflist_mtx);
2661 list_for_each_entry(sdata, &local->interfaces, list) {
2662 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2666 sdata->user_power_level = local->user_power_level;
2667 if (txp_type != sdata->vif.bss_conf.txpower_type)
2668 update_txp_type = true;
2669 sdata->vif.bss_conf.txpower_type = txp_type;
2671 list_for_each_entry(sdata, &local->interfaces, list) {
2672 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2674 ieee80211_recalc_txpower(sdata, update_txp_type);
2676 mutex_unlock(&local->iflist_mtx);
2679 sdata = rtnl_dereference(local->monitor_sdata);
2681 sdata->user_power_level = local->user_power_level;
2682 if (txp_type != sdata->vif.bss_conf.txpower_type)
2683 update_txp_type = true;
2684 sdata->vif.bss_conf.txpower_type = txp_type;
2686 ieee80211_recalc_txpower(sdata, update_txp_type);
2693 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2694 struct wireless_dev *wdev,
2697 struct ieee80211_local *local = wiphy_priv(wiphy);
2698 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2700 if (local->ops->get_txpower)
2701 return drv_get_txpower(local, sdata, dbm);
2703 if (!local->use_chanctx)
2704 *dbm = local->hw.conf.power_level;
2706 *dbm = sdata->vif.bss_conf.txpower;
2711 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2714 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2716 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2721 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2723 struct ieee80211_local *local = wiphy_priv(wiphy);
2725 drv_rfkill_poll(local);
2728 #ifdef CONFIG_NL80211_TESTMODE
2729 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2730 struct wireless_dev *wdev,
2731 void *data, int len)
2733 struct ieee80211_local *local = wiphy_priv(wiphy);
2734 struct ieee80211_vif *vif = NULL;
2736 if (!local->ops->testmode_cmd)
2740 struct ieee80211_sub_if_data *sdata;
2742 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2743 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2747 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2750 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2751 struct sk_buff *skb,
2752 struct netlink_callback *cb,
2753 void *data, int len)
2755 struct ieee80211_local *local = wiphy_priv(wiphy);
2757 if (!local->ops->testmode_dump)
2760 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2764 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2765 enum ieee80211_smps_mode smps_mode)
2768 enum ieee80211_smps_mode old_req;
2770 struct sta_info *sta;
2771 bool tdls_peer_found = false;
2773 lockdep_assert_held(&sdata->wdev.mtx);
2775 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2778 old_req = sdata->u.mgd.req_smps;
2779 sdata->u.mgd.req_smps = smps_mode;
2781 if (old_req == smps_mode &&
2782 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2786 * If not associated, or current association is not an HT
2787 * association, there's no need to do anything, just store
2788 * the new value until we associate.
2790 if (!sdata->u.mgd.associated ||
2791 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2794 ap = sdata->u.mgd.associated->bssid;
2797 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2798 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2799 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2802 tdls_peer_found = true;
2807 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2808 if (tdls_peer_found || !sdata->u.mgd.powersave)
2809 smps_mode = IEEE80211_SMPS_OFF;
2811 smps_mode = IEEE80211_SMPS_DYNAMIC;
2814 /* send SM PS frame to AP */
2815 err = ieee80211_send_smps_action(sdata, smps_mode,
2818 sdata->u.mgd.req_smps = old_req;
2819 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2820 ieee80211_teardown_tdls_peers(sdata);
2825 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2826 bool enabled, int timeout)
2828 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2829 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2831 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2834 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2837 if (enabled == sdata->u.mgd.powersave &&
2838 timeout == local->dynamic_ps_forced_timeout)
2841 sdata->u.mgd.powersave = enabled;
2842 local->dynamic_ps_forced_timeout = timeout;
2844 /* no change, but if automatic follow powersave */
2846 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2847 sdata_unlock(sdata);
2849 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2850 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2852 ieee80211_recalc_ps(local);
2853 ieee80211_recalc_ps_vif(sdata);
2854 ieee80211_check_fast_rx_iface(sdata);
2859 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2860 struct net_device *dev,
2861 s32 rssi_thold, u32 rssi_hyst)
2863 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2864 struct ieee80211_vif *vif = &sdata->vif;
2865 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2867 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2868 rssi_hyst == bss_conf->cqm_rssi_hyst)
2871 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2872 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2875 bss_conf->cqm_rssi_thold = rssi_thold;
2876 bss_conf->cqm_rssi_hyst = rssi_hyst;
2877 bss_conf->cqm_rssi_low = 0;
2878 bss_conf->cqm_rssi_high = 0;
2879 sdata->u.mgd.last_cqm_event_signal = 0;
2881 /* tell the driver upon association, unless already associated */
2882 if (sdata->u.mgd.associated &&
2883 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2884 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2889 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2890 struct net_device *dev,
2891 s32 rssi_low, s32 rssi_high)
2893 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2894 struct ieee80211_vif *vif = &sdata->vif;
2895 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2897 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2900 bss_conf->cqm_rssi_low = rssi_low;
2901 bss_conf->cqm_rssi_high = rssi_high;
2902 bss_conf->cqm_rssi_thold = 0;
2903 bss_conf->cqm_rssi_hyst = 0;
2904 sdata->u.mgd.last_cqm_event_signal = 0;
2906 /* tell the driver upon association, unless already associated */
2907 if (sdata->u.mgd.associated &&
2908 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2909 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2914 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2915 struct net_device *dev,
2917 const struct cfg80211_bitrate_mask *mask)
2919 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2920 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2923 if (!ieee80211_sdata_running(sdata))
2927 * If active validate the setting and reject it if it doesn't leave
2928 * at least one basic rate usable, since we really have to be able
2929 * to send something, and if we're an AP we have to be able to do
2930 * so at a basic rate so that all clients can receive it.
2932 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2933 sdata->vif.bss_conf.chandef.chan) {
2934 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2935 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2937 if (!(mask->control[band].legacy & basic_rates))
2941 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2942 ret = drv_set_bitrate_mask(local, sdata, mask);
2947 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2948 struct ieee80211_supported_band *sband = wiphy->bands[i];
2951 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2952 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2953 sizeof(mask->control[i].ht_mcs));
2954 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2955 mask->control[i].vht_mcs,
2956 sizeof(mask->control[i].vht_mcs));
2958 sdata->rc_has_mcs_mask[i] = false;
2959 sdata->rc_has_vht_mcs_mask[i] = false;
2963 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2964 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2965 sdata->rc_has_mcs_mask[i] = true;
2970 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2971 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2972 sdata->rc_has_vht_mcs_mask[i] = true;
2981 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2982 struct net_device *dev,
2983 struct cfg80211_chan_def *chandef,
2986 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2987 struct ieee80211_local *local = sdata->local;
2990 mutex_lock(&local->mtx);
2991 if (!list_empty(&local->roc_list) || local->scanning) {
2996 /* whatever, but channel contexts should not complain about that one */
2997 sdata->smps_mode = IEEE80211_SMPS_OFF;
2998 sdata->needed_rx_chains = local->rx_chains;
3000 err = ieee80211_vif_use_channel(sdata, chandef,
3001 IEEE80211_CHANCTX_SHARED);
3005 ieee80211_queue_delayed_work(&sdata->local->hw,
3006 &sdata->dfs_cac_timer_work,
3007 msecs_to_jiffies(cac_time_ms));
3010 mutex_unlock(&local->mtx);
3014 static void ieee80211_end_cac(struct wiphy *wiphy,
3015 struct net_device *dev)
3017 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3018 struct ieee80211_local *local = sdata->local;
3020 mutex_lock(&local->mtx);
3021 list_for_each_entry(sdata, &local->interfaces, list) {
3022 /* it might be waiting for the local->mtx, but then
3023 * by the time it gets it, sdata->wdev.cac_started
3024 * will no longer be true
3026 cancel_delayed_work(&sdata->dfs_cac_timer_work);
3028 if (sdata->wdev.cac_started) {
3029 ieee80211_vif_release_channel(sdata);
3030 sdata->wdev.cac_started = false;
3033 mutex_unlock(&local->mtx);
3036 static struct cfg80211_beacon_data *
3037 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
3039 struct cfg80211_beacon_data *new_beacon;
3043 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
3044 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
3045 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
3047 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
3051 pos = (u8 *)(new_beacon + 1);
3052 if (beacon->head_len) {
3053 new_beacon->head_len = beacon->head_len;
3054 new_beacon->head = pos;
3055 memcpy(pos, beacon->head, beacon->head_len);
3056 pos += beacon->head_len;
3058 if (beacon->tail_len) {
3059 new_beacon->tail_len = beacon->tail_len;
3060 new_beacon->tail = pos;
3061 memcpy(pos, beacon->tail, beacon->tail_len);
3062 pos += beacon->tail_len;
3064 if (beacon->beacon_ies_len) {
3065 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3066 new_beacon->beacon_ies = pos;
3067 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3068 pos += beacon->beacon_ies_len;
3070 if (beacon->proberesp_ies_len) {
3071 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3072 new_beacon->proberesp_ies = pos;
3073 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3074 pos += beacon->proberesp_ies_len;
3076 if (beacon->assocresp_ies_len) {
3077 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3078 new_beacon->assocresp_ies = pos;
3079 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3080 pos += beacon->assocresp_ies_len;
3082 if (beacon->probe_resp_len) {
3083 new_beacon->probe_resp_len = beacon->probe_resp_len;
3084 new_beacon->probe_resp = pos;
3085 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3086 pos += beacon->probe_resp_len;
3089 /* might copy -1, meaning no changes requested */
3090 new_beacon->ftm_responder = beacon->ftm_responder;
3092 new_beacon->lci_len = beacon->lci_len;
3093 new_beacon->lci = pos;
3094 memcpy(pos, beacon->lci, beacon->lci_len);
3095 pos += beacon->lci_len;
3097 if (beacon->civicloc) {
3098 new_beacon->civicloc_len = beacon->civicloc_len;
3099 new_beacon->civicloc = pos;
3100 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3101 pos += beacon->civicloc_len;
3107 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3109 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3111 ieee80211_queue_work(&sdata->local->hw,
3112 &sdata->csa_finalize_work);
3114 EXPORT_SYMBOL(ieee80211_csa_finish);
3116 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3121 switch (sdata->vif.type) {
3122 case NL80211_IFTYPE_AP:
3123 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3125 kfree(sdata->u.ap.next_beacon);
3126 sdata->u.ap.next_beacon = NULL;
3132 case NL80211_IFTYPE_ADHOC:
3133 err = ieee80211_ibss_finish_csa(sdata);
3138 #ifdef CONFIG_MAC80211_MESH
3139 case NL80211_IFTYPE_MESH_POINT:
3140 err = ieee80211_mesh_finish_csa(sdata);
3154 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3156 struct ieee80211_local *local = sdata->local;
3160 sdata_assert_lock(sdata);
3161 lockdep_assert_held(&local->mtx);
3162 lockdep_assert_held(&local->chanctx_mtx);
3165 * using reservation isn't immediate as it may be deferred until later
3166 * with multi-vif. once reservation is complete it will re-schedule the
3167 * work with no reserved_chanctx so verify chandef to check if it
3168 * completed successfully
3171 if (sdata->reserved_chanctx) {
3173 * with multi-vif csa driver may call ieee80211_csa_finish()
3174 * many times while waiting for other interfaces to use their
3177 if (sdata->reserved_ready)
3180 return ieee80211_vif_use_reserved_context(sdata);
3183 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3184 &sdata->csa_chandef))
3187 sdata->vif.csa_active = false;
3189 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3193 ieee80211_bss_info_change_notify(sdata, changed);
3195 if (sdata->csa_block_tx) {
3196 ieee80211_wake_vif_queues(local, sdata,
3197 IEEE80211_QUEUE_STOP_REASON_CSA);
3198 sdata->csa_block_tx = false;
3201 err = drv_post_channel_switch(sdata);
3205 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3210 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3212 if (__ieee80211_csa_finalize(sdata)) {
3213 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3214 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3219 void ieee80211_csa_finalize_work(struct work_struct *work)
3221 struct ieee80211_sub_if_data *sdata =
3222 container_of(work, struct ieee80211_sub_if_data,
3224 struct ieee80211_local *local = sdata->local;
3227 mutex_lock(&local->mtx);
3228 mutex_lock(&local->chanctx_mtx);
3230 /* AP might have been stopped while waiting for the lock. */
3231 if (!sdata->vif.csa_active)
3234 if (!ieee80211_sdata_running(sdata))
3237 ieee80211_csa_finalize(sdata);
3240 mutex_unlock(&local->chanctx_mtx);
3241 mutex_unlock(&local->mtx);
3242 sdata_unlock(sdata);
3245 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3246 struct cfg80211_csa_settings *params,
3249 struct ieee80211_csa_settings csa = {};
3252 switch (sdata->vif.type) {
3253 case NL80211_IFTYPE_AP:
3254 sdata->u.ap.next_beacon =
3255 cfg80211_beacon_dup(¶ms->beacon_after);
3256 if (!sdata->u.ap.next_beacon)
3260 * With a count of 0, we don't have to wait for any
3261 * TBTT before switching, so complete the CSA
3262 * immediately. In theory, with a count == 1 we
3263 * should delay the switch until just before the next
3264 * TBTT, but that would complicate things so we switch
3265 * immediately too. If we would delay the switch
3266 * until the next TBTT, we would have to set the probe
3269 * TODO: A channel switch with count <= 1 without
3270 * sending a CSA action frame is kind of useless,
3271 * because the clients won't know we're changing
3272 * channels. The action frame must be implemented
3273 * either here or in the userspace.
3275 if (params->count <= 1)
3278 if ((params->n_counter_offsets_beacon >
3279 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
3280 (params->n_counter_offsets_presp >
3281 IEEE80211_MAX_CNTDWN_COUNTERS_NUM))
3284 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3285 csa.counter_offsets_presp = params->counter_offsets_presp;
3286 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3287 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3288 csa.count = params->count;
3290 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3292 kfree(sdata->u.ap.next_beacon);
3298 case NL80211_IFTYPE_ADHOC:
3299 if (!sdata->vif.bss_conf.ibss_joined)
3302 if (params->chandef.width != sdata->u.ibss.chandef.width)
3305 switch (params->chandef.width) {
3306 case NL80211_CHAN_WIDTH_40:
3307 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3308 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3310 case NL80211_CHAN_WIDTH_5:
3311 case NL80211_CHAN_WIDTH_10:
3312 case NL80211_CHAN_WIDTH_20_NOHT:
3313 case NL80211_CHAN_WIDTH_20:
3319 /* changes into another band are not supported */
3320 if (sdata->u.ibss.chandef.chan->band !=
3321 params->chandef.chan->band)
3324 /* see comments in the NL80211_IFTYPE_AP block */
3325 if (params->count > 1) {
3326 err = ieee80211_ibss_csa_beacon(sdata, params);
3332 ieee80211_send_action_csa(sdata, params);
3335 #ifdef CONFIG_MAC80211_MESH
3336 case NL80211_IFTYPE_MESH_POINT: {
3337 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3339 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3342 /* changes into another band are not supported */
3343 if (sdata->vif.bss_conf.chandef.chan->band !=
3344 params->chandef.chan->band)
3347 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3348 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3349 if (!ifmsh->pre_value)
3350 ifmsh->pre_value = 1;
3355 /* see comments in the NL80211_IFTYPE_AP block */
3356 if (params->count > 1) {
3357 err = ieee80211_mesh_csa_beacon(sdata, params);
3359 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3365 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3366 ieee80211_send_action_csa(sdata, params);
3379 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3380 struct cfg80211_csa_settings *params)
3382 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3383 struct ieee80211_local *local = sdata->local;
3384 struct ieee80211_channel_switch ch_switch;
3385 struct ieee80211_chanctx_conf *conf;
3386 struct ieee80211_chanctx *chanctx;
3390 sdata_assert_lock(sdata);
3391 lockdep_assert_held(&local->mtx);
3393 if (!list_empty(&local->roc_list) || local->scanning)
3396 if (sdata->wdev.cac_started)
3399 if (cfg80211_chandef_identical(¶ms->chandef,
3400 &sdata->vif.bss_conf.chandef))
3403 /* don't allow another channel switch if one is already active. */
3404 if (sdata->vif.csa_active)
3407 mutex_lock(&local->chanctx_mtx);
3408 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3409 lockdep_is_held(&local->chanctx_mtx));
3415 if (params->chandef.chan->freq_offset) {
3416 /* this may work, but is untested */
3421 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3423 ch_switch.timestamp = 0;
3424 ch_switch.device_timestamp = 0;
3425 ch_switch.block_tx = params->block_tx;
3426 ch_switch.chandef = params->chandef;
3427 ch_switch.count = params->count;
3429 err = drv_pre_channel_switch(sdata, &ch_switch);
3433 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3435 params->radar_required);
3439 /* if reservation is invalid then this will fail */
3440 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3442 ieee80211_vif_unreserve_chanctx(sdata);
3446 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3448 ieee80211_vif_unreserve_chanctx(sdata);
3452 sdata->csa_chandef = params->chandef;
3453 sdata->csa_block_tx = params->block_tx;
3454 sdata->vif.csa_active = true;
3456 if (sdata->csa_block_tx)
3457 ieee80211_stop_vif_queues(local, sdata,
3458 IEEE80211_QUEUE_STOP_REASON_CSA);
3460 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3464 ieee80211_bss_info_change_notify(sdata, changed);
3465 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3467 /* if the beacon didn't change, we can finalize immediately */
3468 ieee80211_csa_finalize(sdata);
3472 mutex_unlock(&local->chanctx_mtx);
3476 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3477 struct cfg80211_csa_settings *params)
3479 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3480 struct ieee80211_local *local = sdata->local;
3483 mutex_lock(&local->mtx);
3484 err = __ieee80211_channel_switch(wiphy, dev, params);
3485 mutex_unlock(&local->mtx);
3490 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3492 lockdep_assert_held(&local->mtx);
3494 local->roc_cookie_counter++;
3496 /* wow, you wrapped 64 bits ... more likely a bug */
3497 if (WARN_ON(local->roc_cookie_counter == 0))
3498 local->roc_cookie_counter++;
3500 return local->roc_cookie_counter;
3503 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3504 u64 *cookie, gfp_t gfp)
3506 unsigned long spin_flags;
3507 struct sk_buff *ack_skb;
3510 ack_skb = skb_copy(skb, gfp);
3514 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3515 id = idr_alloc(&local->ack_status_frames, ack_skb,
3516 1, 0x2000, GFP_ATOMIC);
3517 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3524 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3526 *cookie = ieee80211_mgmt_tx_cookie(local);
3527 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3533 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3534 struct wireless_dev *wdev,
3535 struct mgmt_frame_regs *upd)
3537 struct ieee80211_local *local = wiphy_priv(wiphy);
3538 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3539 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3540 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3541 bool global_change, intf_change;
3544 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
3545 (local->rx_mcast_action_reg !=
3546 !!(upd->global_mcast_stypes & action_mask));
3547 local->probe_req_reg = upd->global_stypes & preq_mask;
3548 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3550 intf_change = (sdata->vif.probe_req_reg !=
3551 !!(upd->interface_stypes & preq_mask)) ||
3552 (sdata->vif.rx_mcast_action_reg !=
3553 !!(upd->interface_mcast_stypes & action_mask));
3554 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3555 sdata->vif.rx_mcast_action_reg =
3556 upd->interface_mcast_stypes & action_mask;
3558 if (!local->open_count)
3561 if (intf_change && ieee80211_sdata_running(sdata))
3562 drv_config_iface_filter(local, sdata,
3563 sdata->vif.probe_req_reg ?
3568 ieee80211_configure_filter(local);
3571 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3573 struct ieee80211_local *local = wiphy_priv(wiphy);
3578 return drv_set_antenna(local, tx_ant, rx_ant);
3581 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3583 struct ieee80211_local *local = wiphy_priv(wiphy);
3585 return drv_get_antenna(local, tx_ant, rx_ant);
3588 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3589 struct net_device *dev,
3590 struct cfg80211_gtk_rekey_data *data)
3592 struct ieee80211_local *local = wiphy_priv(wiphy);
3593 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3595 if (!local->ops->set_rekey_data)
3598 drv_set_rekey_data(local, sdata, data);
3603 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3604 const u8 *peer, u64 *cookie)
3606 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3607 struct ieee80211_local *local = sdata->local;
3608 struct ieee80211_qos_hdr *nullfunc;
3609 struct sk_buff *skb;
3610 int size = sizeof(*nullfunc);
3613 struct ieee80211_tx_info *info;
3614 struct sta_info *sta;
3615 struct ieee80211_chanctx_conf *chanctx_conf;
3616 enum nl80211_band band;
3619 /* the lock is needed to assign the cookie later */
3620 mutex_lock(&local->mtx);
3623 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3624 if (WARN_ON(!chanctx_conf)) {
3628 band = chanctx_conf->def.chan->band;
3629 sta = sta_info_get_bss(sdata, peer);
3638 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3639 IEEE80211_STYPE_QOS_NULLFUNC |
3640 IEEE80211_FCTL_FROMDS);
3643 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3644 IEEE80211_STYPE_NULLFUNC |
3645 IEEE80211_FCTL_FROMDS);
3648 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3656 skb_reserve(skb, local->hw.extra_tx_headroom);
3658 nullfunc = skb_put(skb, size);
3659 nullfunc->frame_control = fc;
3660 nullfunc->duration_id = 0;
3661 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3662 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3663 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3664 nullfunc->seq_ctrl = 0;
3666 info = IEEE80211_SKB_CB(skb);
3668 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3669 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3672 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3675 nullfunc->qos_ctrl = cpu_to_le16(7);
3677 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3684 ieee80211_xmit(sdata, sta, skb);
3690 mutex_unlock(&local->mtx);
3695 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3696 struct wireless_dev *wdev,
3697 struct cfg80211_chan_def *chandef)
3699 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3700 struct ieee80211_local *local = wiphy_priv(wiphy);
3701 struct ieee80211_chanctx_conf *chanctx_conf;
3705 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3707 *chandef = sdata->vif.bss_conf.chandef;
3709 } else if (local->open_count > 0 &&
3710 local->open_count == local->monitors &&
3711 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3712 if (local->use_chanctx)
3713 *chandef = local->monitor_chandef;
3715 *chandef = local->_oper_chandef;
3724 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3726 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3730 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3731 struct net_device *dev,
3732 struct cfg80211_qos_map *qos_map)
3734 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3735 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3738 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3741 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3743 /* A NULL qos_map was passed to disable QoS mapping */
3747 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3748 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3750 kfree_rcu(old_qos_map, rcu_head);
3755 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3756 struct net_device *dev,
3757 struct cfg80211_chan_def *chandef)
3759 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3763 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3765 ieee80211_bss_info_change_notify(sdata, changed);
3770 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3771 u8 tsid, const u8 *peer, u8 up,
3774 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3775 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3776 int ac = ieee802_1d_to_ac[up];
3778 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3781 if (!(sdata->wmm_acm & BIT(up)))
3784 if (ifmgd->tx_tspec[ac].admitted_time)
3787 if (admitted_time) {
3788 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3789 ifmgd->tx_tspec[ac].tsid = tsid;
3790 ifmgd->tx_tspec[ac].up = up;
3796 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3797 u8 tsid, const u8 *peer)
3799 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3800 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3801 struct ieee80211_local *local = wiphy_priv(wiphy);
3804 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3805 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3807 /* skip unused entries */
3808 if (!tx_tspec->admitted_time)
3811 if (tx_tspec->tsid != tsid)
3814 /* due to this new packets will be reassigned to non-ACM ACs */
3817 /* Make sure that all packets have been sent to avoid to
3818 * restore the QoS params on packets that are still on the
3822 ieee80211_flush_queues(local, sdata, false);
3824 /* restore the normal QoS parameters
3825 * (unconditionally to avoid races)
3827 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3828 tx_tspec->downgraded = false;
3829 ieee80211_sta_handle_tspec_ac_params(sdata);
3831 /* finally clear all the data */
3832 memset(tx_tspec, 0, sizeof(*tx_tspec));
3840 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3842 enum nl80211_nan_func_term_reason reason,
3845 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3846 struct cfg80211_nan_func *func;
3849 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3852 spin_lock_bh(&sdata->u.nan.func_lock);
3854 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3855 if (WARN_ON(!func)) {
3856 spin_unlock_bh(&sdata->u.nan.func_lock);
3860 cookie = func->cookie;
3861 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3863 spin_unlock_bh(&sdata->u.nan.func_lock);
3865 cfg80211_free_nan_func(func);
3867 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3868 reason, cookie, gfp);
3870 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3872 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3873 struct cfg80211_nan_match_params *match,
3876 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3877 struct cfg80211_nan_func *func;
3879 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3882 spin_lock_bh(&sdata->u.nan.func_lock);
3884 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3885 if (WARN_ON(!func)) {
3886 spin_unlock_bh(&sdata->u.nan.func_lock);
3889 match->cookie = func->cookie;
3891 spin_unlock_bh(&sdata->u.nan.func_lock);
3893 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3895 EXPORT_SYMBOL(ieee80211_nan_func_match);
3897 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3898 struct net_device *dev,
3901 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3903 sdata->u.ap.multicast_to_unicast = enabled;
3908 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3909 struct txq_info *txqi)
3911 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3912 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3913 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3916 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3917 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3918 txqstats->backlog_packets = txqi->tin.backlog_packets;
3921 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3922 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3923 txqstats->flows = txqi->tin.flows;
3926 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3927 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3928 txqstats->drops = txqi->cstats.drop_count;
3931 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3932 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3933 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3936 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3937 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3938 txqstats->overlimit = txqi->tin.overlimit;
3941 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3942 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3943 txqstats->collisions = txqi->tin.collisions;
3946 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3947 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3948 txqstats->tx_bytes = txqi->tin.tx_bytes;
3951 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3952 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3953 txqstats->tx_packets = txqi->tin.tx_packets;
3957 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3958 struct wireless_dev *wdev,
3959 struct cfg80211_txq_stats *txqstats)
3961 struct ieee80211_local *local = wiphy_priv(wiphy);
3962 struct ieee80211_sub_if_data *sdata;
3965 if (!local->ops->wake_tx_queue)
3968 spin_lock_bh(&local->fq.lock);
3972 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3973 if (!sdata->vif.txq) {
3977 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3980 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3981 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3982 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3983 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3984 BIT(NL80211_TXQ_STATS_COLLISIONS) |
3985 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3986 txqstats->backlog_packets = local->fq.backlog;
3987 txqstats->backlog_bytes = local->fq.memory_usage;
3988 txqstats->overlimit = local->fq.overlimit;
3989 txqstats->overmemory = local->fq.overmemory;
3990 txqstats->collisions = local->fq.collisions;
3991 txqstats->max_flows = local->fq.flows_cnt;
3996 spin_unlock_bh(&local->fq.lock);
4002 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
4003 struct net_device *dev,
4004 struct cfg80211_ftm_responder_stats *ftm_stats)
4006 struct ieee80211_local *local = wiphy_priv(wiphy);
4007 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4009 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
4013 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4014 struct cfg80211_pmsr_request *request)
4016 struct ieee80211_local *local = wiphy_priv(wiphy);
4017 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4019 return drv_start_pmsr(local, sdata, request);
4023 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4024 struct cfg80211_pmsr_request *request)
4026 struct ieee80211_local *local = wiphy_priv(wiphy);
4027 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4029 return drv_abort_pmsr(local, sdata, request);
4032 static int ieee80211_set_tid_config(struct wiphy *wiphy,
4033 struct net_device *dev,
4034 struct cfg80211_tid_config *tid_conf)
4036 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4037 struct sta_info *sta;
4040 if (!sdata->local->ops->set_tid_config)
4043 if (!tid_conf->peer)
4044 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
4046 mutex_lock(&sdata->local->sta_mtx);
4047 sta = sta_info_get_bss(sdata, tid_conf->peer);
4049 mutex_unlock(&sdata->local->sta_mtx);
4053 ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
4054 mutex_unlock(&sdata->local->sta_mtx);
4059 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
4060 struct net_device *dev,
4061 const u8 *peer, u8 tids)
4063 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4064 struct sta_info *sta;
4067 if (!sdata->local->ops->reset_tid_config)
4071 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
4073 mutex_lock(&sdata->local->sta_mtx);
4074 sta = sta_info_get_bss(sdata, peer);
4076 mutex_unlock(&sdata->local->sta_mtx);
4080 ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
4081 mutex_unlock(&sdata->local->sta_mtx);
4086 const struct cfg80211_ops mac80211_config_ops = {
4087 .add_virtual_intf = ieee80211_add_iface,
4088 .del_virtual_intf = ieee80211_del_iface,
4089 .change_virtual_intf = ieee80211_change_iface,
4090 .start_p2p_device = ieee80211_start_p2p_device,
4091 .stop_p2p_device = ieee80211_stop_p2p_device,
4092 .add_key = ieee80211_add_key,
4093 .del_key = ieee80211_del_key,
4094 .get_key = ieee80211_get_key,
4095 .set_default_key = ieee80211_config_default_key,
4096 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
4097 .set_default_beacon_key = ieee80211_config_default_beacon_key,
4098 .start_ap = ieee80211_start_ap,
4099 .change_beacon = ieee80211_change_beacon,
4100 .stop_ap = ieee80211_stop_ap,
4101 .add_station = ieee80211_add_station,
4102 .del_station = ieee80211_del_station,
4103 .change_station = ieee80211_change_station,
4104 .get_station = ieee80211_get_station,
4105 .dump_station = ieee80211_dump_station,
4106 .dump_survey = ieee80211_dump_survey,
4107 #ifdef CONFIG_MAC80211_MESH
4108 .add_mpath = ieee80211_add_mpath,
4109 .del_mpath = ieee80211_del_mpath,
4110 .change_mpath = ieee80211_change_mpath,
4111 .get_mpath = ieee80211_get_mpath,
4112 .dump_mpath = ieee80211_dump_mpath,
4113 .get_mpp = ieee80211_get_mpp,
4114 .dump_mpp = ieee80211_dump_mpp,
4115 .update_mesh_config = ieee80211_update_mesh_config,
4116 .get_mesh_config = ieee80211_get_mesh_config,
4117 .join_mesh = ieee80211_join_mesh,
4118 .leave_mesh = ieee80211_leave_mesh,
4120 .join_ocb = ieee80211_join_ocb,
4121 .leave_ocb = ieee80211_leave_ocb,
4122 .change_bss = ieee80211_change_bss,
4123 .set_txq_params = ieee80211_set_txq_params,
4124 .set_monitor_channel = ieee80211_set_monitor_channel,
4125 .suspend = ieee80211_suspend,
4126 .resume = ieee80211_resume,
4127 .scan = ieee80211_scan,
4128 .abort_scan = ieee80211_abort_scan,
4129 .sched_scan_start = ieee80211_sched_scan_start,
4130 .sched_scan_stop = ieee80211_sched_scan_stop,
4131 .auth = ieee80211_auth,
4132 .assoc = ieee80211_assoc,
4133 .deauth = ieee80211_deauth,
4134 .disassoc = ieee80211_disassoc,
4135 .join_ibss = ieee80211_join_ibss,
4136 .leave_ibss = ieee80211_leave_ibss,
4137 .set_mcast_rate = ieee80211_set_mcast_rate,
4138 .set_wiphy_params = ieee80211_set_wiphy_params,
4139 .set_tx_power = ieee80211_set_tx_power,
4140 .get_tx_power = ieee80211_get_tx_power,
4141 .set_wds_peer = ieee80211_set_wds_peer,
4142 .rfkill_poll = ieee80211_rfkill_poll,
4143 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4144 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4145 .set_power_mgmt = ieee80211_set_power_mgmt,
4146 .set_bitrate_mask = ieee80211_set_bitrate_mask,
4147 .remain_on_channel = ieee80211_remain_on_channel,
4148 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4149 .mgmt_tx = ieee80211_mgmt_tx,
4150 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4151 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4152 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4153 .update_mgmt_frame_registrations =
4154 ieee80211_update_mgmt_frame_registrations,
4155 .set_antenna = ieee80211_set_antenna,
4156 .get_antenna = ieee80211_get_antenna,
4157 .set_rekey_data = ieee80211_set_rekey_data,
4158 .tdls_oper = ieee80211_tdls_oper,
4159 .tdls_mgmt = ieee80211_tdls_mgmt,
4160 .tdls_channel_switch = ieee80211_tdls_channel_switch,
4161 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4162 .probe_client = ieee80211_probe_client,
4163 .set_noack_map = ieee80211_set_noack_map,
4165 .set_wakeup = ieee80211_set_wakeup,
4167 .get_channel = ieee80211_cfg_get_channel,
4168 .start_radar_detection = ieee80211_start_radar_detection,
4169 .end_cac = ieee80211_end_cac,
4170 .channel_switch = ieee80211_channel_switch,
4171 .set_qos_map = ieee80211_set_qos_map,
4172 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4173 .add_tx_ts = ieee80211_add_tx_ts,
4174 .del_tx_ts = ieee80211_del_tx_ts,
4175 .start_nan = ieee80211_start_nan,
4176 .stop_nan = ieee80211_stop_nan,
4177 .nan_change_conf = ieee80211_nan_change_conf,
4178 .add_nan_func = ieee80211_add_nan_func,
4179 .del_nan_func = ieee80211_del_nan_func,
4180 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4181 .tx_control_port = ieee80211_tx_control_port,
4182 .get_txq_stats = ieee80211_get_txq_stats,
4183 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4184 .start_pmsr = ieee80211_start_pmsr,
4185 .abort_pmsr = ieee80211_abort_pmsr,
4186 .probe_mesh_link = ieee80211_probe_mesh_link,
4187 .set_tid_config = ieee80211_set_tid_config,
4188 .reset_tid_config = ieee80211_reset_tid_config,