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))
409 case WLAN_CIPHER_SUITE_CCMP:
410 case WLAN_CIPHER_SUITE_CCMP_256:
411 case WLAN_CIPHER_SUITE_AES_CMAC:
412 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
413 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
414 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
415 case WLAN_CIPHER_SUITE_GCMP:
416 case WLAN_CIPHER_SUITE_GCMP_256:
419 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
423 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
424 params->key, params->seq_len, params->seq,
430 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
432 if (params->mode == NL80211_KEY_NO_TX)
433 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
435 mutex_lock(&local->sta_mtx);
438 sta = sta_info_get_bss(sdata, mac_addr);
440 * The ASSOC test makes sure the driver is ready to
441 * receive the key. When wpa_supplicant has roamed
442 * using FT, it attempts to set the key before
443 * association has completed, this rejects that attempt
444 * so it will set the key again after association.
446 * TODO: accept the key if we have a station entry and
447 * add it to the device after the station.
449 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
450 ieee80211_key_free_unused(key);
456 switch (sdata->vif.type) {
457 case NL80211_IFTYPE_STATION:
458 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
459 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
461 case NL80211_IFTYPE_AP:
462 case NL80211_IFTYPE_AP_VLAN:
463 /* Keys without a station are used for TX only */
464 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
465 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
467 case NL80211_IFTYPE_ADHOC:
470 case NL80211_IFTYPE_MESH_POINT:
471 #ifdef CONFIG_MAC80211_MESH
472 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
473 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
476 case NL80211_IFTYPE_WDS:
477 case NL80211_IFTYPE_MONITOR:
478 case NL80211_IFTYPE_P2P_DEVICE:
479 case NL80211_IFTYPE_NAN:
480 case NL80211_IFTYPE_UNSPECIFIED:
481 case NUM_NL80211_IFTYPES:
482 case NL80211_IFTYPE_P2P_CLIENT:
483 case NL80211_IFTYPE_P2P_GO:
484 case NL80211_IFTYPE_OCB:
485 /* shouldn't happen */
491 sta->cipher_scheme = cs;
493 err = ieee80211_key_link(key, sdata, sta);
496 mutex_unlock(&local->sta_mtx);
501 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
502 u8 key_idx, bool pairwise, const u8 *mac_addr)
504 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
505 struct ieee80211_local *local = sdata->local;
506 struct sta_info *sta;
507 struct ieee80211_key *key = NULL;
510 mutex_lock(&local->sta_mtx);
511 mutex_lock(&local->key_mtx);
516 sta = sta_info_get_bss(sdata, mac_addr);
521 key = key_mtx_dereference(local, sta->ptk[key_idx]);
523 key = key_mtx_dereference(local, sta->gtk[key_idx]);
525 key = key_mtx_dereference(local, sdata->keys[key_idx]);
532 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
536 mutex_unlock(&local->key_mtx);
537 mutex_unlock(&local->sta_mtx);
542 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
543 u8 key_idx, bool pairwise, const u8 *mac_addr,
545 void (*callback)(void *cookie,
546 struct key_params *params))
548 struct ieee80211_sub_if_data *sdata;
549 struct sta_info *sta = NULL;
551 struct key_params params;
552 struct ieee80211_key *key = NULL;
557 struct ieee80211_key_seq kseq = {};
559 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
564 sta = sta_info_get_bss(sdata, mac_addr);
568 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
569 key = rcu_dereference(sta->ptk[key_idx]);
570 else if (!pairwise &&
571 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS +
572 NUM_DEFAULT_BEACON_KEYS)
573 key = rcu_dereference(sta->gtk[key_idx]);
575 key = rcu_dereference(sdata->keys[key_idx]);
580 memset(¶ms, 0, sizeof(params));
582 params.cipher = key->conf.cipher;
584 switch (key->conf.cipher) {
585 case WLAN_CIPHER_SUITE_TKIP:
586 pn64 = atomic64_read(&key->conf.tx_pn);
587 iv32 = TKIP_PN_TO_IV32(pn64);
588 iv16 = TKIP_PN_TO_IV16(pn64);
590 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
591 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
592 drv_get_key_seq(sdata->local, key, &kseq);
593 iv32 = kseq.tkip.iv32;
594 iv16 = kseq.tkip.iv16;
597 seq[0] = iv16 & 0xff;
598 seq[1] = (iv16 >> 8) & 0xff;
599 seq[2] = iv32 & 0xff;
600 seq[3] = (iv32 >> 8) & 0xff;
601 seq[4] = (iv32 >> 16) & 0xff;
602 seq[5] = (iv32 >> 24) & 0xff;
606 case WLAN_CIPHER_SUITE_CCMP:
607 case WLAN_CIPHER_SUITE_CCMP_256:
608 case WLAN_CIPHER_SUITE_AES_CMAC:
609 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
610 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
611 offsetof(typeof(kseq), aes_cmac));
613 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
614 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
615 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
616 offsetof(typeof(kseq), aes_gmac));
618 case WLAN_CIPHER_SUITE_GCMP:
619 case WLAN_CIPHER_SUITE_GCMP_256:
620 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
621 offsetof(typeof(kseq), gcmp));
623 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
624 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
625 drv_get_key_seq(sdata->local, key, &kseq);
626 memcpy(seq, kseq.ccmp.pn, 6);
628 pn64 = atomic64_read(&key->conf.tx_pn);
640 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
642 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
644 drv_get_key_seq(sdata->local, key, &kseq);
645 params.seq = kseq.hw.seq;
646 params.seq_len = kseq.hw.seq_len;
650 params.key = key->conf.key;
651 params.key_len = key->conf.keylen;
653 callback(cookie, ¶ms);
661 static int ieee80211_config_default_key(struct wiphy *wiphy,
662 struct net_device *dev,
663 u8 key_idx, bool uni,
666 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
668 ieee80211_set_default_key(sdata, key_idx, uni, multi);
673 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
674 struct net_device *dev,
677 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
679 ieee80211_set_default_mgmt_key(sdata, key_idx);
684 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
685 struct net_device *dev,
688 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
690 ieee80211_set_default_beacon_key(sdata, key_idx);
695 void sta_set_rate_info_tx(struct sta_info *sta,
696 const struct ieee80211_tx_rate *rate,
697 struct rate_info *rinfo)
700 if (rate->flags & IEEE80211_TX_RC_MCS) {
701 rinfo->flags |= RATE_INFO_FLAGS_MCS;
702 rinfo->mcs = rate->idx;
703 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
704 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
705 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
706 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
708 struct ieee80211_supported_band *sband;
709 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
712 sband = ieee80211_get_sband(sta->sdata);
713 WARN_ON_ONCE(sband && !sband->bitrates);
714 if (sband && sband->bitrates) {
715 brate = sband->bitrates[rate->idx].bitrate;
716 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
719 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
720 rinfo->bw = RATE_INFO_BW_40;
721 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
722 rinfo->bw = RATE_INFO_BW_80;
723 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
724 rinfo->bw = RATE_INFO_BW_160;
726 rinfo->bw = RATE_INFO_BW_20;
727 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
728 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
731 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
732 int idx, u8 *mac, struct station_info *sinfo)
734 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
735 struct ieee80211_local *local = sdata->local;
736 struct sta_info *sta;
739 mutex_lock(&local->sta_mtx);
741 sta = sta_info_get_by_idx(sdata, idx);
744 memcpy(mac, sta->sta.addr, ETH_ALEN);
745 sta_set_sinfo(sta, sinfo, true);
748 mutex_unlock(&local->sta_mtx);
753 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
754 int idx, struct survey_info *survey)
756 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
758 return drv_get_survey(local, idx, survey);
761 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
762 const u8 *mac, struct station_info *sinfo)
764 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
765 struct ieee80211_local *local = sdata->local;
766 struct sta_info *sta;
769 mutex_lock(&local->sta_mtx);
771 sta = sta_info_get_bss(sdata, mac);
774 sta_set_sinfo(sta, sinfo, true);
777 mutex_unlock(&local->sta_mtx);
782 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
783 struct cfg80211_chan_def *chandef)
785 struct ieee80211_local *local = wiphy_priv(wiphy);
786 struct ieee80211_sub_if_data *sdata;
789 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
792 mutex_lock(&local->mtx);
793 if (local->use_chanctx) {
794 sdata = rtnl_dereference(local->monitor_sdata);
796 ieee80211_vif_release_channel(sdata);
797 ret = ieee80211_vif_use_channel(sdata, chandef,
798 IEEE80211_CHANCTX_EXCLUSIVE);
800 } else if (local->open_count == local->monitors) {
801 local->_oper_chandef = *chandef;
802 ieee80211_hw_config(local, 0);
806 local->monitor_chandef = *chandef;
807 mutex_unlock(&local->mtx);
812 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
813 const u8 *resp, size_t resp_len,
814 const struct ieee80211_csa_settings *csa)
816 struct probe_resp *new, *old;
818 if (!resp || !resp_len)
821 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
823 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
828 memcpy(new->data, resp, resp_len);
831 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp,
832 csa->n_counter_offsets_presp *
833 sizeof(new->cntdwn_counter_offsets[0]));
835 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
837 kfree_rcu(old, rcu_head);
842 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
843 struct cfg80211_fils_discovery *params)
845 struct fils_discovery_data *new, *old = NULL;
846 struct ieee80211_fils_discovery *fd;
848 if (!params->tmpl || !params->tmpl_len)
851 fd = &sdata->vif.bss_conf.fils_discovery;
852 fd->min_interval = params->min_interval;
853 fd->max_interval = params->max_interval;
855 old = sdata_dereference(sdata->u.ap.fils_discovery, sdata);
856 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
859 new->len = params->tmpl_len;
860 memcpy(new->data, params->tmpl, params->tmpl_len);
861 rcu_assign_pointer(sdata->u.ap.fils_discovery, new);
864 kfree_rcu(old, rcu_head);
870 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
871 struct cfg80211_unsol_bcast_probe_resp *params)
873 struct unsol_bcast_probe_resp_data *new, *old = NULL;
875 if (!params->tmpl || !params->tmpl_len)
878 old = sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp, sdata);
879 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
882 new->len = params->tmpl_len;
883 memcpy(new->data, params->tmpl, params->tmpl_len);
884 rcu_assign_pointer(sdata->u.ap.unsol_bcast_probe_resp, new);
887 kfree_rcu(old, rcu_head);
889 sdata->vif.bss_conf.unsol_bcast_probe_resp_interval =
895 static int ieee80211_set_ftm_responder_params(
896 struct ieee80211_sub_if_data *sdata,
897 const u8 *lci, size_t lci_len,
898 const u8 *civicloc, size_t civicloc_len)
900 struct ieee80211_ftm_responder_params *new, *old;
901 struct ieee80211_bss_conf *bss_conf;
905 if (!lci_len && !civicloc_len)
908 bss_conf = &sdata->vif.bss_conf;
909 old = bss_conf->ftmr_params;
910 len = lci_len + civicloc_len;
912 new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
916 pos = (u8 *)(new + 1);
918 new->lci_len = lci_len;
920 memcpy(pos, lci, lci_len);
925 new->civicloc_len = civicloc_len;
927 memcpy(pos, civicloc, civicloc_len);
931 bss_conf->ftmr_params = new;
937 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
938 struct cfg80211_beacon_data *params,
939 const struct ieee80211_csa_settings *csa)
941 struct beacon_data *new, *old;
942 int new_head_len, new_tail_len;
944 u32 changed = BSS_CHANGED_BEACON;
946 old = sdata_dereference(sdata->u.ap.beacon, sdata);
949 /* Need to have a beacon head if we don't have one yet */
950 if (!params->head && !old)
953 /* new or old head? */
955 new_head_len = params->head_len;
957 new_head_len = old->head_len;
959 /* new or old tail? */
960 if (params->tail || !old)
961 /* params->tail_len will be zero for !params->tail */
962 new_tail_len = params->tail_len;
964 new_tail_len = old->tail_len;
966 size = sizeof(*new) + new_head_len + new_tail_len;
968 new = kzalloc(size, GFP_KERNEL);
972 /* start filling the new info now */
975 * pointers go into the block we allocated,
976 * memory is | beacon_data | head | tail |
978 new->head = ((u8 *) new) + sizeof(*new);
979 new->tail = new->head + new_head_len;
980 new->head_len = new_head_len;
981 new->tail_len = new_tail_len;
984 new->cntdwn_current_counter = csa->count;
985 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon,
986 csa->n_counter_offsets_beacon *
987 sizeof(new->cntdwn_counter_offsets[0]));
992 memcpy(new->head, params->head, new_head_len);
994 memcpy(new->head, old->head, new_head_len);
996 /* copy in optional tail */
998 memcpy(new->tail, params->tail, new_tail_len);
1001 memcpy(new->tail, old->tail, new_tail_len);
1003 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
1004 params->probe_resp_len, csa);
1010 changed |= BSS_CHANGED_AP_PROBE_RESP;
1012 if (params->ftm_responder != -1) {
1013 sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
1014 err = ieee80211_set_ftm_responder_params(sdata,
1018 params->civicloc_len);
1025 changed |= BSS_CHANGED_FTM_RESPONDER;
1028 rcu_assign_pointer(sdata->u.ap.beacon, new);
1031 kfree_rcu(old, rcu_head);
1036 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
1037 struct cfg80211_ap_settings *params)
1039 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1040 struct ieee80211_local *local = sdata->local;
1041 struct beacon_data *old;
1042 struct ieee80211_sub_if_data *vlan;
1043 u32 changed = BSS_CHANGED_BEACON_INT |
1044 BSS_CHANGED_BEACON_ENABLED |
1045 BSS_CHANGED_BEACON |
1047 BSS_CHANGED_P2P_PS |
1048 BSS_CHANGED_TXPOWER |
1051 int prev_beacon_int;
1053 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1057 if (params->smps_mode != NL80211_SMPS_OFF)
1060 sdata->smps_mode = IEEE80211_SMPS_OFF;
1062 sdata->needed_rx_chains = sdata->local->rx_chains;
1064 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1065 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1067 if (params->he_cap && params->he_oper) {
1068 sdata->vif.bss_conf.he_support = true;
1069 sdata->vif.bss_conf.htc_trig_based_pkt_ext =
1070 le32_get_bits(params->he_oper->he_oper_params,
1071 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1072 sdata->vif.bss_conf.frame_time_rts_th =
1073 le32_get_bits(params->he_oper->he_oper_params,
1074 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1075 changed |= BSS_CHANGED_HE_OBSS_PD;
1077 if (params->he_bss_color.enabled)
1078 changed |= BSS_CHANGED_HE_BSS_COLOR;
1081 mutex_lock(&local->mtx);
1082 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
1083 IEEE80211_CHANCTX_SHARED);
1085 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1086 mutex_unlock(&local->mtx);
1088 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1093 * Apply control port protocol, this allows us to
1094 * not encrypt dynamic WEP control frames.
1096 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1097 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1098 sdata->control_port_over_nl80211 =
1099 params->crypto.control_port_over_nl80211;
1100 sdata->control_port_no_preauth =
1101 params->crypto.control_port_no_preauth;
1102 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1106 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1107 vlan->control_port_protocol =
1108 params->crypto.control_port_ethertype;
1109 vlan->control_port_no_encrypt =
1110 params->crypto.control_port_no_encrypt;
1111 vlan->control_port_over_nl80211 =
1112 params->crypto.control_port_over_nl80211;
1113 vlan->control_port_no_preauth =
1114 params->crypto.control_port_no_preauth;
1115 vlan->encrypt_headroom =
1116 ieee80211_cs_headroom(sdata->local,
1121 sdata->vif.bss_conf.dtim_period = params->dtim_period;
1122 sdata->vif.bss_conf.enable_beacon = true;
1123 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1124 sdata->vif.bss_conf.twt_responder = params->twt_responder;
1125 sdata->vif.bss_conf.he_obss_pd = params->he_obss_pd;
1126 sdata->vif.bss_conf.he_bss_color = params->he_bss_color;
1127 sdata->vif.bss_conf.s1g = params->chandef.chan->band ==
1130 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1131 if (params->ssid_len)
1132 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1134 sdata->vif.bss_conf.hidden_ssid =
1135 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1137 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1138 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1139 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1140 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1141 if (params->p2p_opp_ps)
1142 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1143 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1145 sdata->beacon_rate_set = false;
1146 if (wiphy_ext_feature_isset(local->hw.wiphy,
1147 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1148 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1149 sdata->beacon_rateidx_mask[i] =
1150 params->beacon_rate.control[i].legacy;
1151 if (sdata->beacon_rateidx_mask[i])
1152 sdata->beacon_rate_set = true;
1156 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
1157 sdata->vif.bss_conf.beacon_tx_rate = params->beacon_rate;
1159 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
1164 if (params->fils_discovery.max_interval) {
1165 err = ieee80211_set_fils_discovery(sdata,
1166 ¶ms->fils_discovery);
1169 changed |= BSS_CHANGED_FILS_DISCOVERY;
1172 if (params->unsol_bcast_probe_resp.interval) {
1173 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1174 ¶ms->unsol_bcast_probe_resp);
1177 changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
1180 err = drv_start_ap(sdata->local, sdata);
1182 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1185 kfree_rcu(old, rcu_head);
1186 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1190 ieee80211_recalc_dtim(local, sdata);
1191 ieee80211_bss_info_change_notify(sdata, changed);
1193 netif_carrier_on(dev);
1194 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1195 netif_carrier_on(vlan->dev);
1200 ieee80211_vif_release_channel(sdata);
1204 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1205 struct cfg80211_beacon_data *params)
1207 struct ieee80211_sub_if_data *sdata;
1208 struct beacon_data *old;
1211 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1212 sdata_assert_lock(sdata);
1214 /* don't allow changing the beacon while CSA is in place - offset
1215 * of channel switch counter may change
1217 if (sdata->vif.csa_active)
1220 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1224 err = ieee80211_assign_beacon(sdata, params, NULL);
1227 ieee80211_bss_info_change_notify(sdata, err);
1231 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1233 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1234 struct ieee80211_sub_if_data *vlan;
1235 struct ieee80211_local *local = sdata->local;
1236 struct beacon_data *old_beacon;
1237 struct probe_resp *old_probe_resp;
1238 struct fils_discovery_data *old_fils_discovery;
1239 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp;
1240 struct cfg80211_chan_def chandef;
1242 sdata_assert_lock(sdata);
1244 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1247 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1248 old_fils_discovery = sdata_dereference(sdata->u.ap.fils_discovery,
1250 old_unsol_bcast_probe_resp =
1251 sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp,
1254 /* abort any running channel switch */
1255 mutex_lock(&local->mtx);
1256 sdata->vif.csa_active = false;
1257 if (sdata->csa_block_tx) {
1258 ieee80211_wake_vif_queues(local, sdata,
1259 IEEE80211_QUEUE_STOP_REASON_CSA);
1260 sdata->csa_block_tx = false;
1263 mutex_unlock(&local->mtx);
1265 kfree(sdata->u.ap.next_beacon);
1266 sdata->u.ap.next_beacon = NULL;
1268 /* turn off carrier for this interface and dependent VLANs */
1269 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1270 netif_carrier_off(vlan->dev);
1271 netif_carrier_off(dev);
1273 /* remove beacon and probe response */
1274 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1275 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1276 RCU_INIT_POINTER(sdata->u.ap.fils_discovery, NULL);
1277 RCU_INIT_POINTER(sdata->u.ap.unsol_bcast_probe_resp, NULL);
1278 kfree_rcu(old_beacon, rcu_head);
1280 kfree_rcu(old_probe_resp, rcu_head);
1281 if (old_fils_discovery)
1282 kfree_rcu(old_fils_discovery, rcu_head);
1283 if (old_unsol_bcast_probe_resp)
1284 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head);
1286 kfree(sdata->vif.bss_conf.ftmr_params);
1287 sdata->vif.bss_conf.ftmr_params = NULL;
1289 __sta_info_flush(sdata, true);
1290 ieee80211_free_keys(sdata, true);
1292 sdata->vif.bss_conf.enable_beacon = false;
1293 sdata->beacon_rate_set = false;
1294 sdata->vif.bss_conf.ssid_len = 0;
1295 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1296 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1298 if (sdata->wdev.cac_started) {
1299 chandef = sdata->vif.bss_conf.chandef;
1300 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1301 cfg80211_cac_event(sdata->dev, &chandef,
1302 NL80211_RADAR_CAC_ABORTED,
1306 drv_stop_ap(sdata->local, sdata);
1308 /* free all potentially still buffered bcast frames */
1309 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1310 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1312 mutex_lock(&local->mtx);
1313 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1314 ieee80211_vif_release_channel(sdata);
1315 mutex_unlock(&local->mtx);
1320 static int sta_apply_auth_flags(struct ieee80211_local *local,
1321 struct sta_info *sta,
1326 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1327 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1328 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1329 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1334 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1335 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1336 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1338 * When peer becomes associated, init rate control as
1339 * well. Some drivers require rate control initialized
1340 * before drv_sta_state() is called.
1342 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1343 rate_control_rate_init(sta);
1345 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1350 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1351 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1352 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1353 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1354 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1361 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1362 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1363 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1364 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1369 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1370 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1371 test_sta_flag(sta, WLAN_STA_AUTH)) {
1372 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1380 static void sta_apply_mesh_params(struct ieee80211_local *local,
1381 struct sta_info *sta,
1382 struct station_parameters *params)
1384 #ifdef CONFIG_MAC80211_MESH
1385 struct ieee80211_sub_if_data *sdata = sta->sdata;
1388 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1389 switch (params->plink_state) {
1390 case NL80211_PLINK_ESTAB:
1391 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1392 changed = mesh_plink_inc_estab_count(sdata);
1393 sta->mesh->plink_state = params->plink_state;
1394 sta->mesh->aid = params->peer_aid;
1396 ieee80211_mps_sta_status_update(sta);
1397 changed |= ieee80211_mps_set_sta_local_pm(sta,
1398 sdata->u.mesh.mshcfg.power_mode);
1400 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1401 /* init at low value */
1402 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1405 case NL80211_PLINK_LISTEN:
1406 case NL80211_PLINK_BLOCKED:
1407 case NL80211_PLINK_OPN_SNT:
1408 case NL80211_PLINK_OPN_RCVD:
1409 case NL80211_PLINK_CNF_RCVD:
1410 case NL80211_PLINK_HOLDING:
1411 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1412 changed = mesh_plink_dec_estab_count(sdata);
1413 sta->mesh->plink_state = params->plink_state;
1415 ieee80211_mps_sta_status_update(sta);
1416 changed |= ieee80211_mps_set_sta_local_pm(sta,
1417 NL80211_MESH_POWER_UNKNOWN);
1425 switch (params->plink_action) {
1426 case NL80211_PLINK_ACTION_NO_ACTION:
1429 case NL80211_PLINK_ACTION_OPEN:
1430 changed |= mesh_plink_open(sta);
1432 case NL80211_PLINK_ACTION_BLOCK:
1433 changed |= mesh_plink_block(sta);
1437 if (params->local_pm)
1438 changed |= ieee80211_mps_set_sta_local_pm(sta,
1441 ieee80211_mbss_info_change_notify(sdata, changed);
1445 static void sta_apply_airtime_params(struct ieee80211_local *local,
1446 struct sta_info *sta,
1447 struct station_parameters *params)
1451 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
1452 struct airtime_sched_info *air_sched = &local->airtime[ac];
1453 struct airtime_info *air_info = &sta->airtime[ac];
1454 struct txq_info *txqi;
1457 spin_lock_bh(&air_sched->lock);
1458 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) {
1459 if (air_info->weight == params->airtime_weight ||
1460 !sta->sta.txq[tid] ||
1461 ac != ieee80211_ac_from_tid(tid))
1464 airtime_weight_set(air_info, params->airtime_weight);
1466 txqi = to_txq_info(sta->sta.txq[tid]);
1467 if (RB_EMPTY_NODE(&txqi->schedule_order))
1470 ieee80211_update_airtime_weight(local, air_sched,
1473 spin_unlock_bh(&air_sched->lock);
1477 static int sta_apply_parameters(struct ieee80211_local *local,
1478 struct sta_info *sta,
1479 struct station_parameters *params)
1482 struct ieee80211_supported_band *sband;
1483 struct ieee80211_sub_if_data *sdata = sta->sdata;
1486 sband = ieee80211_get_sband(sdata);
1490 mask = params->sta_flags_mask;
1491 set = params->sta_flags_set;
1493 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1495 * In mesh mode, ASSOCIATED isn't part of the nl80211
1496 * API but must follow AUTHENTICATED for driver state.
1498 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1499 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1500 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1501 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1502 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1504 * TDLS -- everything follows authorized, but
1505 * only becoming authorized is possible, not
1508 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1509 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1510 BIT(NL80211_STA_FLAG_ASSOCIATED);
1511 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1512 BIT(NL80211_STA_FLAG_ASSOCIATED);
1516 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1517 local->hw.queues >= IEEE80211_NUM_ACS)
1518 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1520 /* auth flags will be set later for TDLS,
1521 * and for unassociated stations that move to associated */
1522 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1523 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1524 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1525 ret = sta_apply_auth_flags(local, sta, mask, set);
1530 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1531 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1532 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1534 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1537 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1538 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1539 if (set & BIT(NL80211_STA_FLAG_MFP))
1540 set_sta_flag(sta, WLAN_STA_MFP);
1542 clear_sta_flag(sta, WLAN_STA_MFP);
1545 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1546 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1547 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1549 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1552 /* mark TDLS channel switch support, if the AP allows it */
1553 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1554 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1555 params->ext_capab_len >= 4 &&
1556 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1557 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1559 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1560 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1561 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1562 params->ext_capab_len >= 8 &&
1563 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1564 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1566 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1567 sta->sta.uapsd_queues = params->uapsd_queues;
1568 sta->sta.max_sp = params->max_sp;
1571 /* The sender might not have sent the last bit, consider it to be 0 */
1572 if (params->ext_capab_len >= 8) {
1573 u8 val = (params->ext_capab[7] &
1574 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1576 /* we did get all the bits, take the MSB as well */
1577 if (params->ext_capab_len >= 9) {
1578 u8 val_msb = params->ext_capab[8] &
1579 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1586 sta->sta.max_amsdu_subframes = 32;
1589 sta->sta.max_amsdu_subframes = 16;
1592 sta->sta.max_amsdu_subframes = 8;
1595 sta->sta.max_amsdu_subframes = 0;
1600 * cfg80211 validates this (1-2007) and allows setting the AID
1601 * only when creating a new station entry
1604 sta->sta.aid = params->aid;
1607 * Some of the following updates would be racy if called on an
1608 * existing station, via ieee80211_change_station(). However,
1609 * all such changes are rejected by cfg80211 except for updates
1610 * changing the supported rates on an existing but not yet used
1614 if (params->listen_interval >= 0)
1615 sta->listen_interval = params->listen_interval;
1617 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1618 sta->sta.txpwr.type = params->txpwr.type;
1619 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1620 sta->sta.txpwr.power = params->txpwr.power;
1621 ret = drv_sta_set_txpwr(local, sdata, sta);
1626 if (params->supported_rates && params->supported_rates_len) {
1627 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1628 sband, params->supported_rates,
1629 params->supported_rates_len,
1630 &sta->sta.supp_rates[sband->band]);
1633 if (params->ht_capa)
1634 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1635 params->ht_capa, sta);
1637 /* VHT can override some HT caps such as the A-MSDU max length */
1638 if (params->vht_capa)
1639 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1640 params->vht_capa, sta);
1642 if (params->he_capa)
1643 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1644 (void *)params->he_capa,
1645 params->he_capa_len,
1646 (void *)params->he_6ghz_capa,
1649 if (params->opmode_notif_used) {
1650 /* returned value is only needed for rc update, but the
1651 * rc isn't initialized here yet, so ignore it
1653 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1657 if (params->support_p2p_ps >= 0)
1658 sta->sta.support_p2p_ps = params->support_p2p_ps;
1660 if (ieee80211_vif_is_mesh(&sdata->vif))
1661 sta_apply_mesh_params(local, sta, params);
1663 if (params->airtime_weight)
1664 sta_apply_airtime_params(local, sta, params);
1667 /* set the STA state after all sta info from usermode has been set */
1668 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1669 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1670 ret = sta_apply_auth_flags(local, sta, mask, set);
1678 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1680 struct station_parameters *params)
1682 struct ieee80211_local *local = wiphy_priv(wiphy);
1683 struct sta_info *sta;
1684 struct ieee80211_sub_if_data *sdata;
1688 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1690 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1691 sdata->vif.type != NL80211_IFTYPE_AP)
1694 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1696 if (ether_addr_equal(mac, sdata->vif.addr))
1699 if (!is_valid_ether_addr(mac))
1702 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1703 sdata->vif.type == NL80211_IFTYPE_STATION &&
1704 !sdata->u.mgd.associated)
1707 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1711 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1712 sta->sta.tdls = true;
1714 err = sta_apply_parameters(local, sta, params);
1716 sta_info_free(local, sta);
1721 * for TDLS and for unassociated station, rate control should be
1722 * initialized only when rates are known and station is marked
1723 * authorized/associated
1725 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1726 test_sta_flag(sta, WLAN_STA_ASSOC))
1727 rate_control_rate_init(sta);
1729 return sta_info_insert(sta);
1732 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1733 struct station_del_parameters *params)
1735 struct ieee80211_sub_if_data *sdata;
1737 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1740 return sta_info_destroy_addr_bss(sdata, params->mac);
1742 sta_info_flush(sdata);
1746 static int ieee80211_change_station(struct wiphy *wiphy,
1747 struct net_device *dev, const u8 *mac,
1748 struct station_parameters *params)
1750 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1751 struct ieee80211_local *local = wiphy_priv(wiphy);
1752 struct sta_info *sta;
1753 struct ieee80211_sub_if_data *vlansdata;
1754 enum cfg80211_station_type statype;
1757 mutex_lock(&local->sta_mtx);
1759 sta = sta_info_get_bss(sdata, mac);
1765 switch (sdata->vif.type) {
1766 case NL80211_IFTYPE_MESH_POINT:
1767 if (sdata->u.mesh.user_mpm)
1768 statype = CFG80211_STA_MESH_PEER_USER;
1770 statype = CFG80211_STA_MESH_PEER_KERNEL;
1772 case NL80211_IFTYPE_ADHOC:
1773 statype = CFG80211_STA_IBSS;
1775 case NL80211_IFTYPE_STATION:
1776 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1777 statype = CFG80211_STA_AP_STA;
1780 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1781 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1783 statype = CFG80211_STA_TDLS_PEER_SETUP;
1785 case NL80211_IFTYPE_AP:
1786 case NL80211_IFTYPE_AP_VLAN:
1787 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1788 statype = CFG80211_STA_AP_CLIENT;
1790 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1797 err = cfg80211_check_station_change(wiphy, params, statype);
1801 if (params->vlan && params->vlan != sta->sdata->dev) {
1802 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1804 if (params->vlan->ieee80211_ptr->use_4addr) {
1805 if (vlansdata->u.vlan.sta) {
1810 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1811 __ieee80211_check_fast_rx_iface(vlansdata);
1812 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
1815 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1816 sta->sdata->u.vlan.sta) {
1817 ieee80211_clear_fast_rx(sta);
1818 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1821 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1822 ieee80211_vif_dec_num_mcast(sta->sdata);
1824 sta->sdata = vlansdata;
1825 ieee80211_check_fast_xmit(sta);
1827 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1828 ieee80211_vif_inc_num_mcast(sta->sdata);
1829 cfg80211_send_layer2_update(sta->sdata->dev,
1834 err = sta_apply_parameters(local, sta, params);
1838 mutex_unlock(&local->sta_mtx);
1840 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1841 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1842 ieee80211_recalc_ps(local);
1843 ieee80211_recalc_ps_vif(sdata);
1848 mutex_unlock(&local->sta_mtx);
1852 #ifdef CONFIG_MAC80211_MESH
1853 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1854 const u8 *dst, const u8 *next_hop)
1856 struct ieee80211_sub_if_data *sdata;
1857 struct mesh_path *mpath;
1858 struct sta_info *sta;
1860 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1863 sta = sta_info_get(sdata, next_hop);
1869 mpath = mesh_path_add(sdata, dst);
1870 if (IS_ERR(mpath)) {
1872 return PTR_ERR(mpath);
1875 mesh_path_fix_nexthop(mpath, sta);
1881 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1884 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1887 return mesh_path_del(sdata, dst);
1889 mesh_path_flush_by_iface(sdata);
1893 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1894 const u8 *dst, const u8 *next_hop)
1896 struct ieee80211_sub_if_data *sdata;
1897 struct mesh_path *mpath;
1898 struct sta_info *sta;
1900 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1904 sta = sta_info_get(sdata, next_hop);
1910 mpath = mesh_path_lookup(sdata, dst);
1916 mesh_path_fix_nexthop(mpath, sta);
1922 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1923 struct mpath_info *pinfo)
1925 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1928 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1930 eth_zero_addr(next_hop);
1932 memset(pinfo, 0, sizeof(*pinfo));
1934 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1936 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1939 MPATH_INFO_EXPTIME |
1940 MPATH_INFO_DISCOVERY_TIMEOUT |
1941 MPATH_INFO_DISCOVERY_RETRIES |
1943 MPATH_INFO_HOP_COUNT |
1944 MPATH_INFO_PATH_CHANGE;
1946 pinfo->frame_qlen = mpath->frame_queue.qlen;
1947 pinfo->sn = mpath->sn;
1948 pinfo->metric = mpath->metric;
1949 if (time_before(jiffies, mpath->exp_time))
1950 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1951 pinfo->discovery_timeout =
1952 jiffies_to_msecs(mpath->discovery_timeout);
1953 pinfo->discovery_retries = mpath->discovery_retries;
1954 if (mpath->flags & MESH_PATH_ACTIVE)
1955 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1956 if (mpath->flags & MESH_PATH_RESOLVING)
1957 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1958 if (mpath->flags & MESH_PATH_SN_VALID)
1959 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1960 if (mpath->flags & MESH_PATH_FIXED)
1961 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1962 if (mpath->flags & MESH_PATH_RESOLVED)
1963 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1964 pinfo->hop_count = mpath->hop_count;
1965 pinfo->path_change_count = mpath->path_change_count;
1968 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1969 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1972 struct ieee80211_sub_if_data *sdata;
1973 struct mesh_path *mpath;
1975 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1978 mpath = mesh_path_lookup(sdata, dst);
1983 memcpy(dst, mpath->dst, ETH_ALEN);
1984 mpath_set_pinfo(mpath, next_hop, pinfo);
1989 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1990 int idx, u8 *dst, u8 *next_hop,
1991 struct mpath_info *pinfo)
1993 struct ieee80211_sub_if_data *sdata;
1994 struct mesh_path *mpath;
1996 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1999 mpath = mesh_path_lookup_by_idx(sdata, idx);
2004 memcpy(dst, mpath->dst, ETH_ALEN);
2005 mpath_set_pinfo(mpath, next_hop, pinfo);
2010 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
2011 struct mpath_info *pinfo)
2013 memset(pinfo, 0, sizeof(*pinfo));
2014 memcpy(mpp, mpath->mpp, ETH_ALEN);
2016 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
2019 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
2020 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
2023 struct ieee80211_sub_if_data *sdata;
2024 struct mesh_path *mpath;
2026 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2029 mpath = mpp_path_lookup(sdata, dst);
2034 memcpy(dst, mpath->dst, ETH_ALEN);
2035 mpp_set_pinfo(mpath, mpp, pinfo);
2040 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
2041 int idx, u8 *dst, u8 *mpp,
2042 struct mpath_info *pinfo)
2044 struct ieee80211_sub_if_data *sdata;
2045 struct mesh_path *mpath;
2047 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2050 mpath = mpp_path_lookup_by_idx(sdata, idx);
2055 memcpy(dst, mpath->dst, ETH_ALEN);
2056 mpp_set_pinfo(mpath, mpp, pinfo);
2061 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
2062 struct net_device *dev,
2063 struct mesh_config *conf)
2065 struct ieee80211_sub_if_data *sdata;
2066 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2068 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
2072 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
2074 return (mask >> (parm-1)) & 0x1;
2077 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
2078 const struct mesh_setup *setup)
2082 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
2083 struct ieee80211_sub_if_data, u.mesh);
2086 /* allocate information elements */
2090 if (setup->ie_len) {
2091 new_ie = kmemdup(setup->ie, setup->ie_len,
2096 ifmsh->ie_len = setup->ie_len;
2100 /* now copy the rest of the setup parameters */
2101 ifmsh->mesh_id_len = setup->mesh_id_len;
2102 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
2103 ifmsh->mesh_sp_id = setup->sync_method;
2104 ifmsh->mesh_pp_id = setup->path_sel_proto;
2105 ifmsh->mesh_pm_id = setup->path_metric;
2106 ifmsh->user_mpm = setup->user_mpm;
2107 ifmsh->mesh_auth_id = setup->auth_id;
2108 ifmsh->security = IEEE80211_MESH_SEC_NONE;
2109 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
2110 if (setup->is_authenticated)
2111 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
2112 if (setup->is_secure)
2113 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
2115 /* mcast rate setting in Mesh Node */
2116 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2117 sizeof(setup->mcast_rate));
2118 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2120 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2121 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2123 sdata->beacon_rate_set = false;
2124 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2125 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2126 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2127 sdata->beacon_rateidx_mask[i] =
2128 setup->beacon_rate.control[i].legacy;
2129 if (sdata->beacon_rateidx_mask[i])
2130 sdata->beacon_rate_set = true;
2137 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2138 struct net_device *dev, u32 mask,
2139 const struct mesh_config *nconf)
2141 struct mesh_config *conf;
2142 struct ieee80211_sub_if_data *sdata;
2143 struct ieee80211_if_mesh *ifmsh;
2145 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2146 ifmsh = &sdata->u.mesh;
2148 /* Set the config options which we are interested in setting */
2149 conf = &(sdata->u.mesh.mshcfg);
2150 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2151 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2152 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2153 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2154 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2155 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2156 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2157 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2158 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2159 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2160 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2161 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2162 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2163 conf->element_ttl = nconf->element_ttl;
2164 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2165 if (ifmsh->user_mpm)
2167 conf->auto_open_plinks = nconf->auto_open_plinks;
2169 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2170 conf->dot11MeshNbrOffsetMaxNeighbor =
2171 nconf->dot11MeshNbrOffsetMaxNeighbor;
2172 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2173 conf->dot11MeshHWMPmaxPREQretries =
2174 nconf->dot11MeshHWMPmaxPREQretries;
2175 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2176 conf->path_refresh_time = nconf->path_refresh_time;
2177 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2178 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2179 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2180 conf->dot11MeshHWMPactivePathTimeout =
2181 nconf->dot11MeshHWMPactivePathTimeout;
2182 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2183 conf->dot11MeshHWMPpreqMinInterval =
2184 nconf->dot11MeshHWMPpreqMinInterval;
2185 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2186 conf->dot11MeshHWMPperrMinInterval =
2187 nconf->dot11MeshHWMPperrMinInterval;
2188 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2190 conf->dot11MeshHWMPnetDiameterTraversalTime =
2191 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2192 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2193 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2194 ieee80211_mesh_root_setup(ifmsh);
2196 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2197 /* our current gate announcement implementation rides on root
2198 * announcements, so require this ifmsh to also be a root node
2200 if (nconf->dot11MeshGateAnnouncementProtocol &&
2201 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2202 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2203 ieee80211_mesh_root_setup(ifmsh);
2205 conf->dot11MeshGateAnnouncementProtocol =
2206 nconf->dot11MeshGateAnnouncementProtocol;
2208 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2209 conf->dot11MeshHWMPRannInterval =
2210 nconf->dot11MeshHWMPRannInterval;
2211 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2212 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2213 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2214 /* our RSSI threshold implementation is supported only for
2215 * devices that report signal in dBm.
2217 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2219 conf->rssi_threshold = nconf->rssi_threshold;
2221 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2222 conf->ht_opmode = nconf->ht_opmode;
2223 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2224 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2226 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2227 conf->dot11MeshHWMPactivePathToRootTimeout =
2228 nconf->dot11MeshHWMPactivePathToRootTimeout;
2229 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2230 conf->dot11MeshHWMProotInterval =
2231 nconf->dot11MeshHWMProotInterval;
2232 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2233 conf->dot11MeshHWMPconfirmationInterval =
2234 nconf->dot11MeshHWMPconfirmationInterval;
2235 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2236 conf->power_mode = nconf->power_mode;
2237 ieee80211_mps_local_status_update(sdata);
2239 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2240 conf->dot11MeshAwakeWindowDuration =
2241 nconf->dot11MeshAwakeWindowDuration;
2242 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2243 conf->plink_timeout = nconf->plink_timeout;
2244 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2245 conf->dot11MeshConnectedToMeshGate =
2246 nconf->dot11MeshConnectedToMeshGate;
2247 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
2248 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2249 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2250 conf->dot11MeshConnectedToAuthServer =
2251 nconf->dot11MeshConnectedToAuthServer;
2252 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2256 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2257 const struct mesh_config *conf,
2258 const struct mesh_setup *setup)
2260 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2261 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2264 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2265 err = copy_mesh_setup(ifmsh, setup);
2269 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2271 /* can mesh use other SMPS modes? */
2272 sdata->smps_mode = IEEE80211_SMPS_OFF;
2273 sdata->needed_rx_chains = sdata->local->rx_chains;
2275 mutex_lock(&sdata->local->mtx);
2276 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2277 IEEE80211_CHANCTX_SHARED);
2278 mutex_unlock(&sdata->local->mtx);
2282 return ieee80211_start_mesh(sdata);
2285 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2287 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2289 ieee80211_stop_mesh(sdata);
2290 mutex_lock(&sdata->local->mtx);
2291 ieee80211_vif_release_channel(sdata);
2292 kfree(sdata->u.mesh.ie);
2293 mutex_unlock(&sdata->local->mtx);
2299 static int ieee80211_change_bss(struct wiphy *wiphy,
2300 struct net_device *dev,
2301 struct bss_parameters *params)
2303 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2304 struct ieee80211_supported_band *sband;
2307 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2310 sband = ieee80211_get_sband(sdata);
2314 if (params->use_cts_prot >= 0) {
2315 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2316 changed |= BSS_CHANGED_ERP_CTS_PROT;
2318 if (params->use_short_preamble >= 0) {
2319 sdata->vif.bss_conf.use_short_preamble =
2320 params->use_short_preamble;
2321 changed |= BSS_CHANGED_ERP_PREAMBLE;
2324 if (!sdata->vif.bss_conf.use_short_slot &&
2325 (sband->band == NL80211_BAND_5GHZ ||
2326 sband->band == NL80211_BAND_6GHZ)) {
2327 sdata->vif.bss_conf.use_short_slot = true;
2328 changed |= BSS_CHANGED_ERP_SLOT;
2331 if (params->use_short_slot_time >= 0) {
2332 sdata->vif.bss_conf.use_short_slot =
2333 params->use_short_slot_time;
2334 changed |= BSS_CHANGED_ERP_SLOT;
2337 if (params->basic_rates) {
2338 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2339 wiphy->bands[sband->band],
2340 params->basic_rates,
2341 params->basic_rates_len,
2342 &sdata->vif.bss_conf.basic_rates);
2343 changed |= BSS_CHANGED_BASIC_RATES;
2344 ieee80211_check_rate_mask(sdata);
2347 if (params->ap_isolate >= 0) {
2348 if (params->ap_isolate)
2349 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2351 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2352 ieee80211_check_fast_rx_iface(sdata);
2355 if (params->ht_opmode >= 0) {
2356 sdata->vif.bss_conf.ht_operation_mode =
2357 (u16) params->ht_opmode;
2358 changed |= BSS_CHANGED_HT;
2361 if (params->p2p_ctwindow >= 0) {
2362 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2363 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2364 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2365 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2366 changed |= BSS_CHANGED_P2P_PS;
2369 if (params->p2p_opp_ps > 0) {
2370 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2371 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2372 changed |= BSS_CHANGED_P2P_PS;
2373 } else if (params->p2p_opp_ps == 0) {
2374 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2375 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2376 changed |= BSS_CHANGED_P2P_PS;
2379 ieee80211_bss_info_change_notify(sdata, changed);
2384 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2385 struct net_device *dev,
2386 struct ieee80211_txq_params *params)
2388 struct ieee80211_local *local = wiphy_priv(wiphy);
2389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2390 struct ieee80211_tx_queue_params p;
2392 if (!local->ops->conf_tx)
2395 if (local->hw.queues < IEEE80211_NUM_ACS)
2398 memset(&p, 0, sizeof(p));
2399 p.aifs = params->aifs;
2400 p.cw_max = params->cwmax;
2401 p.cw_min = params->cwmin;
2402 p.txop = params->txop;
2405 * Setting tx queue params disables u-apsd because it's only
2406 * called in master mode.
2410 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2412 sdata->tx_conf[params->ac] = p;
2413 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2414 wiphy_debug(local->hw.wiphy,
2415 "failed to set TX queue parameters for AC %d\n",
2420 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2426 static int ieee80211_suspend(struct wiphy *wiphy,
2427 struct cfg80211_wowlan *wowlan)
2429 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2432 static int ieee80211_resume(struct wiphy *wiphy)
2434 return __ieee80211_resume(wiphy_priv(wiphy));
2437 #define ieee80211_suspend NULL
2438 #define ieee80211_resume NULL
2441 static int ieee80211_scan(struct wiphy *wiphy,
2442 struct cfg80211_scan_request *req)
2444 struct ieee80211_sub_if_data *sdata;
2446 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2448 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2449 case NL80211_IFTYPE_STATION:
2450 case NL80211_IFTYPE_ADHOC:
2451 case NL80211_IFTYPE_MESH_POINT:
2452 case NL80211_IFTYPE_P2P_CLIENT:
2453 case NL80211_IFTYPE_P2P_DEVICE:
2455 case NL80211_IFTYPE_P2P_GO:
2456 if (sdata->local->ops->hw_scan)
2459 * FIXME: implement NoA while scanning in software,
2460 * for now fall through to allow scanning only when
2461 * beaconing hasn't been configured yet
2464 case NL80211_IFTYPE_AP:
2466 * If the scan has been forced (and the driver supports
2467 * forcing), don't care about being beaconing already.
2468 * This will create problems to the attached stations (e.g. all
2469 * the frames sent while scanning on other channel will be
2472 if (sdata->u.ap.beacon &&
2473 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2474 !(req->flags & NL80211_SCAN_FLAG_AP)))
2477 case NL80211_IFTYPE_NAN:
2482 return ieee80211_request_scan(sdata, req);
2485 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2487 ieee80211_scan_cancel(wiphy_priv(wiphy));
2491 ieee80211_sched_scan_start(struct wiphy *wiphy,
2492 struct net_device *dev,
2493 struct cfg80211_sched_scan_request *req)
2495 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2497 if (!sdata->local->ops->sched_scan_start)
2500 return ieee80211_request_sched_scan_start(sdata, req);
2504 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2507 struct ieee80211_local *local = wiphy_priv(wiphy);
2509 if (!local->ops->sched_scan_stop)
2512 return ieee80211_request_sched_scan_stop(local);
2515 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2516 struct cfg80211_auth_request *req)
2518 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2521 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2522 struct cfg80211_assoc_request *req)
2524 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2527 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2528 struct cfg80211_deauth_request *req)
2530 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2533 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2534 struct cfg80211_disassoc_request *req)
2536 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2539 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2540 struct cfg80211_ibss_params *params)
2542 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2545 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2547 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2550 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2551 struct ocb_setup *setup)
2553 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2556 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2558 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2561 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2562 int rate[NUM_NL80211_BANDS])
2564 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2566 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2567 sizeof(int) * NUM_NL80211_BANDS);
2569 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2574 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2576 struct ieee80211_local *local = wiphy_priv(wiphy);
2579 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2580 ieee80211_check_fast_xmit_all(local);
2582 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2585 ieee80211_check_fast_xmit_all(local);
2590 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2591 (changed & WIPHY_PARAM_DYN_ACK)) {
2594 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2595 wiphy->coverage_class : -1;
2596 err = drv_set_coverage_class(local, coverage_class);
2602 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2603 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2609 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2610 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2612 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2614 if (changed & WIPHY_PARAM_RETRY_LONG) {
2615 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2617 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2620 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2621 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2623 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2624 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2625 WIPHY_PARAM_TXQ_QUANTUM))
2626 ieee80211_txq_set_params(local);
2631 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2632 struct wireless_dev *wdev,
2633 enum nl80211_tx_power_setting type, int mbm)
2635 struct ieee80211_local *local = wiphy_priv(wiphy);
2636 struct ieee80211_sub_if_data *sdata;
2637 enum nl80211_tx_power_setting txp_type = type;
2638 bool update_txp_type = false;
2639 bool has_monitor = false;
2642 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2644 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2645 sdata = rtnl_dereference(local->monitor_sdata);
2651 case NL80211_TX_POWER_AUTOMATIC:
2652 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2653 txp_type = NL80211_TX_POWER_LIMITED;
2655 case NL80211_TX_POWER_LIMITED:
2656 case NL80211_TX_POWER_FIXED:
2657 if (mbm < 0 || (mbm % 100))
2659 sdata->user_power_level = MBM_TO_DBM(mbm);
2663 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2664 update_txp_type = true;
2665 sdata->vif.bss_conf.txpower_type = txp_type;
2668 ieee80211_recalc_txpower(sdata, update_txp_type);
2674 case NL80211_TX_POWER_AUTOMATIC:
2675 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2676 txp_type = NL80211_TX_POWER_LIMITED;
2678 case NL80211_TX_POWER_LIMITED:
2679 case NL80211_TX_POWER_FIXED:
2680 if (mbm < 0 || (mbm % 100))
2682 local->user_power_level = MBM_TO_DBM(mbm);
2686 mutex_lock(&local->iflist_mtx);
2687 list_for_each_entry(sdata, &local->interfaces, list) {
2688 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2692 sdata->user_power_level = local->user_power_level;
2693 if (txp_type != sdata->vif.bss_conf.txpower_type)
2694 update_txp_type = true;
2695 sdata->vif.bss_conf.txpower_type = txp_type;
2697 list_for_each_entry(sdata, &local->interfaces, list) {
2698 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2700 ieee80211_recalc_txpower(sdata, update_txp_type);
2702 mutex_unlock(&local->iflist_mtx);
2705 sdata = rtnl_dereference(local->monitor_sdata);
2707 sdata->user_power_level = local->user_power_level;
2708 if (txp_type != sdata->vif.bss_conf.txpower_type)
2709 update_txp_type = true;
2710 sdata->vif.bss_conf.txpower_type = txp_type;
2712 ieee80211_recalc_txpower(sdata, update_txp_type);
2719 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2720 struct wireless_dev *wdev,
2723 struct ieee80211_local *local = wiphy_priv(wiphy);
2724 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2726 if (local->ops->get_txpower)
2727 return drv_get_txpower(local, sdata, dbm);
2729 if (!local->use_chanctx)
2730 *dbm = local->hw.conf.power_level;
2732 *dbm = sdata->vif.bss_conf.txpower;
2737 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2739 struct ieee80211_local *local = wiphy_priv(wiphy);
2741 drv_rfkill_poll(local);
2744 #ifdef CONFIG_NL80211_TESTMODE
2745 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2746 struct wireless_dev *wdev,
2747 void *data, int len)
2749 struct ieee80211_local *local = wiphy_priv(wiphy);
2750 struct ieee80211_vif *vif = NULL;
2752 if (!local->ops->testmode_cmd)
2756 struct ieee80211_sub_if_data *sdata;
2758 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2759 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2763 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2766 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2767 struct sk_buff *skb,
2768 struct netlink_callback *cb,
2769 void *data, int len)
2771 struct ieee80211_local *local = wiphy_priv(wiphy);
2773 if (!local->ops->testmode_dump)
2776 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2780 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2781 enum ieee80211_smps_mode smps_mode)
2784 enum ieee80211_smps_mode old_req;
2786 struct sta_info *sta;
2787 bool tdls_peer_found = false;
2789 lockdep_assert_held(&sdata->wdev.mtx);
2791 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2794 old_req = sdata->u.mgd.req_smps;
2795 sdata->u.mgd.req_smps = smps_mode;
2797 if (old_req == smps_mode &&
2798 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2802 * If not associated, or current association is not an HT
2803 * association, there's no need to do anything, just store
2804 * the new value until we associate.
2806 if (!sdata->u.mgd.associated ||
2807 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2810 ap = sdata->u.mgd.associated->bssid;
2813 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2814 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2815 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2818 tdls_peer_found = true;
2823 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2824 if (tdls_peer_found || !sdata->u.mgd.powersave)
2825 smps_mode = IEEE80211_SMPS_OFF;
2827 smps_mode = IEEE80211_SMPS_DYNAMIC;
2830 /* send SM PS frame to AP */
2831 err = ieee80211_send_smps_action(sdata, smps_mode,
2834 sdata->u.mgd.req_smps = old_req;
2835 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2836 ieee80211_teardown_tdls_peers(sdata);
2841 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2842 bool enabled, int timeout)
2844 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2845 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2847 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2850 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2853 if (enabled == sdata->u.mgd.powersave &&
2854 timeout == local->dynamic_ps_forced_timeout)
2857 sdata->u.mgd.powersave = enabled;
2858 local->dynamic_ps_forced_timeout = timeout;
2860 /* no change, but if automatic follow powersave */
2862 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2863 sdata_unlock(sdata);
2865 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2866 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2868 ieee80211_recalc_ps(local);
2869 ieee80211_recalc_ps_vif(sdata);
2870 ieee80211_check_fast_rx_iface(sdata);
2875 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2876 struct net_device *dev,
2877 s32 rssi_thold, u32 rssi_hyst)
2879 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2880 struct ieee80211_vif *vif = &sdata->vif;
2881 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2883 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2884 rssi_hyst == bss_conf->cqm_rssi_hyst)
2887 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2888 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2891 bss_conf->cqm_rssi_thold = rssi_thold;
2892 bss_conf->cqm_rssi_hyst = rssi_hyst;
2893 bss_conf->cqm_rssi_low = 0;
2894 bss_conf->cqm_rssi_high = 0;
2895 sdata->u.mgd.last_cqm_event_signal = 0;
2897 /* tell the driver upon association, unless already associated */
2898 if (sdata->u.mgd.associated &&
2899 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2900 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2905 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2906 struct net_device *dev,
2907 s32 rssi_low, s32 rssi_high)
2909 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2910 struct ieee80211_vif *vif = &sdata->vif;
2911 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2913 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2916 bss_conf->cqm_rssi_low = rssi_low;
2917 bss_conf->cqm_rssi_high = rssi_high;
2918 bss_conf->cqm_rssi_thold = 0;
2919 bss_conf->cqm_rssi_hyst = 0;
2920 sdata->u.mgd.last_cqm_event_signal = 0;
2922 /* tell the driver upon association, unless already associated */
2923 if (sdata->u.mgd.associated &&
2924 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2925 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2930 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2931 struct net_device *dev,
2933 const struct cfg80211_bitrate_mask *mask)
2935 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2936 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2939 if (!ieee80211_sdata_running(sdata))
2943 * If active validate the setting and reject it if it doesn't leave
2944 * at least one basic rate usable, since we really have to be able
2945 * to send something, and if we're an AP we have to be able to do
2946 * so at a basic rate so that all clients can receive it.
2948 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2949 sdata->vif.bss_conf.chandef.chan) {
2950 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2951 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2953 if (!(mask->control[band].legacy & basic_rates))
2957 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2958 ret = drv_set_bitrate_mask(local, sdata, mask);
2963 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2964 struct ieee80211_supported_band *sband = wiphy->bands[i];
2967 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2968 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2969 sizeof(mask->control[i].ht_mcs));
2970 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2971 mask->control[i].vht_mcs,
2972 sizeof(mask->control[i].vht_mcs));
2974 sdata->rc_has_mcs_mask[i] = false;
2975 sdata->rc_has_vht_mcs_mask[i] = false;
2979 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2980 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
2981 sdata->rc_has_mcs_mask[i] = true;
2986 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2987 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
2988 sdata->rc_has_vht_mcs_mask[i] = true;
2997 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2998 struct net_device *dev,
2999 struct cfg80211_chan_def *chandef,
3002 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3003 struct ieee80211_local *local = sdata->local;
3006 mutex_lock(&local->mtx);
3007 if (!list_empty(&local->roc_list) || local->scanning) {
3012 /* whatever, but channel contexts should not complain about that one */
3013 sdata->smps_mode = IEEE80211_SMPS_OFF;
3014 sdata->needed_rx_chains = local->rx_chains;
3016 err = ieee80211_vif_use_channel(sdata, chandef,
3017 IEEE80211_CHANCTX_SHARED);
3021 ieee80211_queue_delayed_work(&sdata->local->hw,
3022 &sdata->dfs_cac_timer_work,
3023 msecs_to_jiffies(cac_time_ms));
3026 mutex_unlock(&local->mtx);
3030 static void ieee80211_end_cac(struct wiphy *wiphy,
3031 struct net_device *dev)
3033 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3034 struct ieee80211_local *local = sdata->local;
3036 mutex_lock(&local->mtx);
3037 list_for_each_entry(sdata, &local->interfaces, list) {
3038 /* it might be waiting for the local->mtx, but then
3039 * by the time it gets it, sdata->wdev.cac_started
3040 * will no longer be true
3042 cancel_delayed_work(&sdata->dfs_cac_timer_work);
3044 if (sdata->wdev.cac_started) {
3045 ieee80211_vif_release_channel(sdata);
3046 sdata->wdev.cac_started = false;
3049 mutex_unlock(&local->mtx);
3052 static struct cfg80211_beacon_data *
3053 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
3055 struct cfg80211_beacon_data *new_beacon;
3059 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
3060 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
3061 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
3063 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
3067 pos = (u8 *)(new_beacon + 1);
3068 if (beacon->head_len) {
3069 new_beacon->head_len = beacon->head_len;
3070 new_beacon->head = pos;
3071 memcpy(pos, beacon->head, beacon->head_len);
3072 pos += beacon->head_len;
3074 if (beacon->tail_len) {
3075 new_beacon->tail_len = beacon->tail_len;
3076 new_beacon->tail = pos;
3077 memcpy(pos, beacon->tail, beacon->tail_len);
3078 pos += beacon->tail_len;
3080 if (beacon->beacon_ies_len) {
3081 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3082 new_beacon->beacon_ies = pos;
3083 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3084 pos += beacon->beacon_ies_len;
3086 if (beacon->proberesp_ies_len) {
3087 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3088 new_beacon->proberesp_ies = pos;
3089 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3090 pos += beacon->proberesp_ies_len;
3092 if (beacon->assocresp_ies_len) {
3093 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3094 new_beacon->assocresp_ies = pos;
3095 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3096 pos += beacon->assocresp_ies_len;
3098 if (beacon->probe_resp_len) {
3099 new_beacon->probe_resp_len = beacon->probe_resp_len;
3100 new_beacon->probe_resp = pos;
3101 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3102 pos += beacon->probe_resp_len;
3105 /* might copy -1, meaning no changes requested */
3106 new_beacon->ftm_responder = beacon->ftm_responder;
3108 new_beacon->lci_len = beacon->lci_len;
3109 new_beacon->lci = pos;
3110 memcpy(pos, beacon->lci, beacon->lci_len);
3111 pos += beacon->lci_len;
3113 if (beacon->civicloc) {
3114 new_beacon->civicloc_len = beacon->civicloc_len;
3115 new_beacon->civicloc = pos;
3116 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3117 pos += beacon->civicloc_len;
3123 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3125 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3127 ieee80211_queue_work(&sdata->local->hw,
3128 &sdata->csa_finalize_work);
3130 EXPORT_SYMBOL(ieee80211_csa_finish);
3132 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3137 switch (sdata->vif.type) {
3138 case NL80211_IFTYPE_AP:
3139 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3141 kfree(sdata->u.ap.next_beacon);
3142 sdata->u.ap.next_beacon = NULL;
3148 case NL80211_IFTYPE_ADHOC:
3149 err = ieee80211_ibss_finish_csa(sdata);
3154 #ifdef CONFIG_MAC80211_MESH
3155 case NL80211_IFTYPE_MESH_POINT:
3156 err = ieee80211_mesh_finish_csa(sdata);
3170 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3172 struct ieee80211_local *local = sdata->local;
3176 sdata_assert_lock(sdata);
3177 lockdep_assert_held(&local->mtx);
3178 lockdep_assert_held(&local->chanctx_mtx);
3181 * using reservation isn't immediate as it may be deferred until later
3182 * with multi-vif. once reservation is complete it will re-schedule the
3183 * work with no reserved_chanctx so verify chandef to check if it
3184 * completed successfully
3187 if (sdata->reserved_chanctx) {
3189 * with multi-vif csa driver may call ieee80211_csa_finish()
3190 * many times while waiting for other interfaces to use their
3193 if (sdata->reserved_ready)
3196 return ieee80211_vif_use_reserved_context(sdata);
3199 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3200 &sdata->csa_chandef))
3203 sdata->vif.csa_active = false;
3205 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3209 ieee80211_bss_info_change_notify(sdata, changed);
3211 if (sdata->csa_block_tx) {
3212 ieee80211_wake_vif_queues(local, sdata,
3213 IEEE80211_QUEUE_STOP_REASON_CSA);
3214 sdata->csa_block_tx = false;
3217 err = drv_post_channel_switch(sdata);
3221 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3226 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3228 if (__ieee80211_csa_finalize(sdata)) {
3229 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3230 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3235 void ieee80211_csa_finalize_work(struct work_struct *work)
3237 struct ieee80211_sub_if_data *sdata =
3238 container_of(work, struct ieee80211_sub_if_data,
3240 struct ieee80211_local *local = sdata->local;
3243 mutex_lock(&local->mtx);
3244 mutex_lock(&local->chanctx_mtx);
3246 /* AP might have been stopped while waiting for the lock. */
3247 if (!sdata->vif.csa_active)
3250 if (!ieee80211_sdata_running(sdata))
3253 ieee80211_csa_finalize(sdata);
3256 mutex_unlock(&local->chanctx_mtx);
3257 mutex_unlock(&local->mtx);
3258 sdata_unlock(sdata);
3261 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3262 struct cfg80211_csa_settings *params,
3265 struct ieee80211_csa_settings csa = {};
3268 switch (sdata->vif.type) {
3269 case NL80211_IFTYPE_AP:
3270 sdata->u.ap.next_beacon =
3271 cfg80211_beacon_dup(¶ms->beacon_after);
3272 if (!sdata->u.ap.next_beacon)
3276 * With a count of 0, we don't have to wait for any
3277 * TBTT before switching, so complete the CSA
3278 * immediately. In theory, with a count == 1 we
3279 * should delay the switch until just before the next
3280 * TBTT, but that would complicate things so we switch
3281 * immediately too. If we would delay the switch
3282 * until the next TBTT, we would have to set the probe
3285 * TODO: A channel switch with count <= 1 without
3286 * sending a CSA action frame is kind of useless,
3287 * because the clients won't know we're changing
3288 * channels. The action frame must be implemented
3289 * either here or in the userspace.
3291 if (params->count <= 1)
3294 if ((params->n_counter_offsets_beacon >
3295 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
3296 (params->n_counter_offsets_presp >
3297 IEEE80211_MAX_CNTDWN_COUNTERS_NUM))
3300 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3301 csa.counter_offsets_presp = params->counter_offsets_presp;
3302 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3303 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3304 csa.count = params->count;
3306 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3308 kfree(sdata->u.ap.next_beacon);
3314 case NL80211_IFTYPE_ADHOC:
3315 if (!sdata->vif.bss_conf.ibss_joined)
3318 if (params->chandef.width != sdata->u.ibss.chandef.width)
3321 switch (params->chandef.width) {
3322 case NL80211_CHAN_WIDTH_40:
3323 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3324 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3327 case NL80211_CHAN_WIDTH_5:
3328 case NL80211_CHAN_WIDTH_10:
3329 case NL80211_CHAN_WIDTH_20_NOHT:
3330 case NL80211_CHAN_WIDTH_20:
3336 /* changes into another band are not supported */
3337 if (sdata->u.ibss.chandef.chan->band !=
3338 params->chandef.chan->band)
3341 /* see comments in the NL80211_IFTYPE_AP block */
3342 if (params->count > 1) {
3343 err = ieee80211_ibss_csa_beacon(sdata, params);
3349 ieee80211_send_action_csa(sdata, params);
3352 #ifdef CONFIG_MAC80211_MESH
3353 case NL80211_IFTYPE_MESH_POINT: {
3354 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3356 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3359 /* changes into another band are not supported */
3360 if (sdata->vif.bss_conf.chandef.chan->band !=
3361 params->chandef.chan->band)
3364 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3365 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3366 if (!ifmsh->pre_value)
3367 ifmsh->pre_value = 1;
3372 /* see comments in the NL80211_IFTYPE_AP block */
3373 if (params->count > 1) {
3374 err = ieee80211_mesh_csa_beacon(sdata, params);
3376 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3382 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3383 ieee80211_send_action_csa(sdata, params);
3396 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3397 struct cfg80211_csa_settings *params)
3399 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3400 struct ieee80211_local *local = sdata->local;
3401 struct ieee80211_channel_switch ch_switch;
3402 struct ieee80211_chanctx_conf *conf;
3403 struct ieee80211_chanctx *chanctx;
3407 sdata_assert_lock(sdata);
3408 lockdep_assert_held(&local->mtx);
3410 if (!list_empty(&local->roc_list) || local->scanning)
3413 if (sdata->wdev.cac_started)
3416 if (cfg80211_chandef_identical(¶ms->chandef,
3417 &sdata->vif.bss_conf.chandef))
3420 /* don't allow another channel switch if one is already active. */
3421 if (sdata->vif.csa_active)
3424 mutex_lock(&local->chanctx_mtx);
3425 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3426 lockdep_is_held(&local->chanctx_mtx));
3432 if (params->chandef.chan->freq_offset) {
3433 /* this may work, but is untested */
3438 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3440 ch_switch.timestamp = 0;
3441 ch_switch.device_timestamp = 0;
3442 ch_switch.block_tx = params->block_tx;
3443 ch_switch.chandef = params->chandef;
3444 ch_switch.count = params->count;
3446 err = drv_pre_channel_switch(sdata, &ch_switch);
3450 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3452 params->radar_required);
3456 /* if reservation is invalid then this will fail */
3457 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3459 ieee80211_vif_unreserve_chanctx(sdata);
3463 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3465 ieee80211_vif_unreserve_chanctx(sdata);
3469 sdata->csa_chandef = params->chandef;
3470 sdata->csa_block_tx = params->block_tx;
3471 sdata->vif.csa_active = true;
3473 if (sdata->csa_block_tx)
3474 ieee80211_stop_vif_queues(local, sdata,
3475 IEEE80211_QUEUE_STOP_REASON_CSA);
3477 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3478 params->count, params->block_tx);
3481 ieee80211_bss_info_change_notify(sdata, changed);
3482 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3484 /* if the beacon didn't change, we can finalize immediately */
3485 ieee80211_csa_finalize(sdata);
3489 mutex_unlock(&local->chanctx_mtx);
3493 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3494 struct cfg80211_csa_settings *params)
3496 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3497 struct ieee80211_local *local = sdata->local;
3500 mutex_lock(&local->mtx);
3501 err = __ieee80211_channel_switch(wiphy, dev, params);
3502 mutex_unlock(&local->mtx);
3507 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3509 lockdep_assert_held(&local->mtx);
3511 local->roc_cookie_counter++;
3513 /* wow, you wrapped 64 bits ... more likely a bug */
3514 if (WARN_ON(local->roc_cookie_counter == 0))
3515 local->roc_cookie_counter++;
3517 return local->roc_cookie_counter;
3520 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3521 u64 *cookie, gfp_t gfp)
3523 unsigned long spin_flags;
3524 struct sk_buff *ack_skb;
3527 ack_skb = skb_copy(skb, gfp);
3531 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3532 id = idr_alloc(&local->ack_status_frames, ack_skb,
3533 1, 0x2000, GFP_ATOMIC);
3534 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3541 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3543 *cookie = ieee80211_mgmt_tx_cookie(local);
3544 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3550 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3551 struct wireless_dev *wdev,
3552 struct mgmt_frame_regs *upd)
3554 struct ieee80211_local *local = wiphy_priv(wiphy);
3555 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3556 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3557 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3558 bool global_change, intf_change;
3561 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
3562 (local->rx_mcast_action_reg !=
3563 !!(upd->global_mcast_stypes & action_mask));
3564 local->probe_req_reg = upd->global_stypes & preq_mask;
3565 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3567 intf_change = (sdata->vif.probe_req_reg !=
3568 !!(upd->interface_stypes & preq_mask)) ||
3569 (sdata->vif.rx_mcast_action_reg !=
3570 !!(upd->interface_mcast_stypes & action_mask));
3571 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3572 sdata->vif.rx_mcast_action_reg =
3573 upd->interface_mcast_stypes & action_mask;
3575 if (!local->open_count)
3578 if (intf_change && ieee80211_sdata_running(sdata))
3579 drv_config_iface_filter(local, sdata,
3580 sdata->vif.probe_req_reg ?
3585 ieee80211_configure_filter(local);
3588 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3590 struct ieee80211_local *local = wiphy_priv(wiphy);
3595 return drv_set_antenna(local, tx_ant, rx_ant);
3598 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3600 struct ieee80211_local *local = wiphy_priv(wiphy);
3602 return drv_get_antenna(local, tx_ant, rx_ant);
3605 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3606 struct net_device *dev,
3607 struct cfg80211_gtk_rekey_data *data)
3609 struct ieee80211_local *local = wiphy_priv(wiphy);
3610 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3612 if (!local->ops->set_rekey_data)
3615 drv_set_rekey_data(local, sdata, data);
3620 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3621 const u8 *peer, u64 *cookie)
3623 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3624 struct ieee80211_local *local = sdata->local;
3625 struct ieee80211_qos_hdr *nullfunc;
3626 struct sk_buff *skb;
3627 int size = sizeof(*nullfunc);
3630 struct ieee80211_tx_info *info;
3631 struct sta_info *sta;
3632 struct ieee80211_chanctx_conf *chanctx_conf;
3633 enum nl80211_band band;
3636 /* the lock is needed to assign the cookie later */
3637 mutex_lock(&local->mtx);
3640 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3641 if (WARN_ON(!chanctx_conf)) {
3645 band = chanctx_conf->def.chan->band;
3646 sta = sta_info_get_bss(sdata, peer);
3655 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3656 IEEE80211_STYPE_QOS_NULLFUNC |
3657 IEEE80211_FCTL_FROMDS);
3660 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3661 IEEE80211_STYPE_NULLFUNC |
3662 IEEE80211_FCTL_FROMDS);
3665 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3673 skb_reserve(skb, local->hw.extra_tx_headroom);
3675 nullfunc = skb_put(skb, size);
3676 nullfunc->frame_control = fc;
3677 nullfunc->duration_id = 0;
3678 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3679 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3680 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3681 nullfunc->seq_ctrl = 0;
3683 info = IEEE80211_SKB_CB(skb);
3685 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3686 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3689 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3692 nullfunc->qos_ctrl = cpu_to_le16(7);
3694 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3701 ieee80211_xmit(sdata, sta, skb);
3707 mutex_unlock(&local->mtx);
3712 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3713 struct wireless_dev *wdev,
3714 struct cfg80211_chan_def *chandef)
3716 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3717 struct ieee80211_local *local = wiphy_priv(wiphy);
3718 struct ieee80211_chanctx_conf *chanctx_conf;
3722 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3724 *chandef = sdata->vif.bss_conf.chandef;
3726 } else if (local->open_count > 0 &&
3727 local->open_count == local->monitors &&
3728 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3729 if (local->use_chanctx)
3730 *chandef = local->monitor_chandef;
3732 *chandef = local->_oper_chandef;
3741 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3743 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3747 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3748 struct net_device *dev,
3749 struct cfg80211_qos_map *qos_map)
3751 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3752 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3755 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3758 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3760 /* A NULL qos_map was passed to disable QoS mapping */
3764 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3765 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3767 kfree_rcu(old_qos_map, rcu_head);
3772 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3773 struct net_device *dev,
3774 struct cfg80211_chan_def *chandef)
3776 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3780 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3782 ieee80211_bss_info_change_notify(sdata, changed);
3787 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3788 u8 tsid, const u8 *peer, u8 up,
3791 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3792 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3793 int ac = ieee802_1d_to_ac[up];
3795 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3798 if (!(sdata->wmm_acm & BIT(up)))
3801 if (ifmgd->tx_tspec[ac].admitted_time)
3804 if (admitted_time) {
3805 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3806 ifmgd->tx_tspec[ac].tsid = tsid;
3807 ifmgd->tx_tspec[ac].up = up;
3813 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3814 u8 tsid, const u8 *peer)
3816 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3817 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3818 struct ieee80211_local *local = wiphy_priv(wiphy);
3821 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3822 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3824 /* skip unused entries */
3825 if (!tx_tspec->admitted_time)
3828 if (tx_tspec->tsid != tsid)
3831 /* due to this new packets will be reassigned to non-ACM ACs */
3834 /* Make sure that all packets have been sent to avoid to
3835 * restore the QoS params on packets that are still on the
3839 ieee80211_flush_queues(local, sdata, false);
3841 /* restore the normal QoS parameters
3842 * (unconditionally to avoid races)
3844 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3845 tx_tspec->downgraded = false;
3846 ieee80211_sta_handle_tspec_ac_params(sdata);
3848 /* finally clear all the data */
3849 memset(tx_tspec, 0, sizeof(*tx_tspec));
3857 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3859 enum nl80211_nan_func_term_reason reason,
3862 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3863 struct cfg80211_nan_func *func;
3866 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3869 spin_lock_bh(&sdata->u.nan.func_lock);
3871 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3872 if (WARN_ON(!func)) {
3873 spin_unlock_bh(&sdata->u.nan.func_lock);
3877 cookie = func->cookie;
3878 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3880 spin_unlock_bh(&sdata->u.nan.func_lock);
3882 cfg80211_free_nan_func(func);
3884 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3885 reason, cookie, gfp);
3887 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3889 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3890 struct cfg80211_nan_match_params *match,
3893 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3894 struct cfg80211_nan_func *func;
3896 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3899 spin_lock_bh(&sdata->u.nan.func_lock);
3901 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3902 if (WARN_ON(!func)) {
3903 spin_unlock_bh(&sdata->u.nan.func_lock);
3906 match->cookie = func->cookie;
3908 spin_unlock_bh(&sdata->u.nan.func_lock);
3910 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3912 EXPORT_SYMBOL(ieee80211_nan_func_match);
3914 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3915 struct net_device *dev,
3918 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3920 sdata->u.ap.multicast_to_unicast = enabled;
3925 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3926 struct txq_info *txqi)
3928 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3929 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3930 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3933 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3934 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3935 txqstats->backlog_packets = txqi->tin.backlog_packets;
3938 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3939 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3940 txqstats->flows = txqi->tin.flows;
3943 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3944 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3945 txqstats->drops = txqi->cstats.drop_count;
3948 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3949 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3950 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3953 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3954 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3955 txqstats->overlimit = txqi->tin.overlimit;
3958 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3959 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3960 txqstats->collisions = txqi->tin.collisions;
3963 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3964 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3965 txqstats->tx_bytes = txqi->tin.tx_bytes;
3968 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3969 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3970 txqstats->tx_packets = txqi->tin.tx_packets;
3974 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3975 struct wireless_dev *wdev,
3976 struct cfg80211_txq_stats *txqstats)
3978 struct ieee80211_local *local = wiphy_priv(wiphy);
3979 struct ieee80211_sub_if_data *sdata;
3982 if (!local->ops->wake_tx_queue)
3985 spin_lock_bh(&local->fq.lock);
3989 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3990 if (!sdata->vif.txq) {
3994 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3997 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3998 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3999 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
4000 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
4001 BIT(NL80211_TXQ_STATS_COLLISIONS) |
4002 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
4003 txqstats->backlog_packets = local->fq.backlog;
4004 txqstats->backlog_bytes = local->fq.memory_usage;
4005 txqstats->overlimit = local->fq.overlimit;
4006 txqstats->overmemory = local->fq.overmemory;
4007 txqstats->collisions = local->fq.collisions;
4008 txqstats->max_flows = local->fq.flows_cnt;
4013 spin_unlock_bh(&local->fq.lock);
4019 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
4020 struct net_device *dev,
4021 struct cfg80211_ftm_responder_stats *ftm_stats)
4023 struct ieee80211_local *local = wiphy_priv(wiphy);
4024 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4026 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
4030 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4031 struct cfg80211_pmsr_request *request)
4033 struct ieee80211_local *local = wiphy_priv(wiphy);
4034 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4036 return drv_start_pmsr(local, sdata, request);
4040 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4041 struct cfg80211_pmsr_request *request)
4043 struct ieee80211_local *local = wiphy_priv(wiphy);
4044 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4046 return drv_abort_pmsr(local, sdata, request);
4049 static int ieee80211_set_tid_config(struct wiphy *wiphy,
4050 struct net_device *dev,
4051 struct cfg80211_tid_config *tid_conf)
4053 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4054 struct sta_info *sta;
4057 if (!sdata->local->ops->set_tid_config)
4060 if (!tid_conf->peer)
4061 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
4063 mutex_lock(&sdata->local->sta_mtx);
4064 sta = sta_info_get_bss(sdata, tid_conf->peer);
4066 mutex_unlock(&sdata->local->sta_mtx);
4070 ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
4071 mutex_unlock(&sdata->local->sta_mtx);
4076 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
4077 struct net_device *dev,
4078 const u8 *peer, u8 tids)
4080 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4081 struct sta_info *sta;
4084 if (!sdata->local->ops->reset_tid_config)
4088 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
4090 mutex_lock(&sdata->local->sta_mtx);
4091 sta = sta_info_get_bss(sdata, peer);
4093 mutex_unlock(&sdata->local->sta_mtx);
4097 ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
4098 mutex_unlock(&sdata->local->sta_mtx);
4103 static int ieee80211_set_sar_specs(struct wiphy *wiphy,
4104 struct cfg80211_sar_specs *sar)
4106 struct ieee80211_local *local = wiphy_priv(wiphy);
4108 if (!local->ops->set_sar_specs)
4111 return local->ops->set_sar_specs(&local->hw, sar);
4114 const struct cfg80211_ops mac80211_config_ops = {
4115 .add_virtual_intf = ieee80211_add_iface,
4116 .del_virtual_intf = ieee80211_del_iface,
4117 .change_virtual_intf = ieee80211_change_iface,
4118 .start_p2p_device = ieee80211_start_p2p_device,
4119 .stop_p2p_device = ieee80211_stop_p2p_device,
4120 .add_key = ieee80211_add_key,
4121 .del_key = ieee80211_del_key,
4122 .get_key = ieee80211_get_key,
4123 .set_default_key = ieee80211_config_default_key,
4124 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
4125 .set_default_beacon_key = ieee80211_config_default_beacon_key,
4126 .start_ap = ieee80211_start_ap,
4127 .change_beacon = ieee80211_change_beacon,
4128 .stop_ap = ieee80211_stop_ap,
4129 .add_station = ieee80211_add_station,
4130 .del_station = ieee80211_del_station,
4131 .change_station = ieee80211_change_station,
4132 .get_station = ieee80211_get_station,
4133 .dump_station = ieee80211_dump_station,
4134 .dump_survey = ieee80211_dump_survey,
4135 #ifdef CONFIG_MAC80211_MESH
4136 .add_mpath = ieee80211_add_mpath,
4137 .del_mpath = ieee80211_del_mpath,
4138 .change_mpath = ieee80211_change_mpath,
4139 .get_mpath = ieee80211_get_mpath,
4140 .dump_mpath = ieee80211_dump_mpath,
4141 .get_mpp = ieee80211_get_mpp,
4142 .dump_mpp = ieee80211_dump_mpp,
4143 .update_mesh_config = ieee80211_update_mesh_config,
4144 .get_mesh_config = ieee80211_get_mesh_config,
4145 .join_mesh = ieee80211_join_mesh,
4146 .leave_mesh = ieee80211_leave_mesh,
4148 .join_ocb = ieee80211_join_ocb,
4149 .leave_ocb = ieee80211_leave_ocb,
4150 .change_bss = ieee80211_change_bss,
4151 .set_txq_params = ieee80211_set_txq_params,
4152 .set_monitor_channel = ieee80211_set_monitor_channel,
4153 .suspend = ieee80211_suspend,
4154 .resume = ieee80211_resume,
4155 .scan = ieee80211_scan,
4156 .abort_scan = ieee80211_abort_scan,
4157 .sched_scan_start = ieee80211_sched_scan_start,
4158 .sched_scan_stop = ieee80211_sched_scan_stop,
4159 .auth = ieee80211_auth,
4160 .assoc = ieee80211_assoc,
4161 .deauth = ieee80211_deauth,
4162 .disassoc = ieee80211_disassoc,
4163 .join_ibss = ieee80211_join_ibss,
4164 .leave_ibss = ieee80211_leave_ibss,
4165 .set_mcast_rate = ieee80211_set_mcast_rate,
4166 .set_wiphy_params = ieee80211_set_wiphy_params,
4167 .set_tx_power = ieee80211_set_tx_power,
4168 .get_tx_power = ieee80211_get_tx_power,
4169 .rfkill_poll = ieee80211_rfkill_poll,
4170 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4171 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4172 .set_power_mgmt = ieee80211_set_power_mgmt,
4173 .set_bitrate_mask = ieee80211_set_bitrate_mask,
4174 .remain_on_channel = ieee80211_remain_on_channel,
4175 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4176 .mgmt_tx = ieee80211_mgmt_tx,
4177 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4178 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4179 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4180 .update_mgmt_frame_registrations =
4181 ieee80211_update_mgmt_frame_registrations,
4182 .set_antenna = ieee80211_set_antenna,
4183 .get_antenna = ieee80211_get_antenna,
4184 .set_rekey_data = ieee80211_set_rekey_data,
4185 .tdls_oper = ieee80211_tdls_oper,
4186 .tdls_mgmt = ieee80211_tdls_mgmt,
4187 .tdls_channel_switch = ieee80211_tdls_channel_switch,
4188 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4189 .probe_client = ieee80211_probe_client,
4190 .set_noack_map = ieee80211_set_noack_map,
4192 .set_wakeup = ieee80211_set_wakeup,
4194 .get_channel = ieee80211_cfg_get_channel,
4195 .start_radar_detection = ieee80211_start_radar_detection,
4196 .end_cac = ieee80211_end_cac,
4197 .channel_switch = ieee80211_channel_switch,
4198 .set_qos_map = ieee80211_set_qos_map,
4199 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4200 .add_tx_ts = ieee80211_add_tx_ts,
4201 .del_tx_ts = ieee80211_del_tx_ts,
4202 .start_nan = ieee80211_start_nan,
4203 .stop_nan = ieee80211_stop_nan,
4204 .nan_change_conf = ieee80211_nan_change_conf,
4205 .add_nan_func = ieee80211_add_nan_func,
4206 .del_nan_func = ieee80211_del_nan_func,
4207 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4208 .tx_control_port = ieee80211_tx_control_port,
4209 .get_txq_stats = ieee80211_get_txq_stats,
4210 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4211 .start_pmsr = ieee80211_start_pmsr,
4212 .abort_pmsr = ieee80211_abort_pmsr,
4213 .probe_mesh_link = ieee80211_probe_mesh_link,
4214 .set_tid_config = ieee80211_set_tid_config,
4215 .reset_tid_config = ieee80211_reset_tid_config,
4216 .set_sar_specs = ieee80211_set_sar_specs,