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) 2018-2019 Intel Corporation
9 * Copyright (C) 2018 Intel Corporation
12 #include <linux/ieee80211.h>
13 #include <linux/nl80211.h>
14 #include <linux/rtnetlink.h>
15 #include <linux/slab.h>
16 #include <net/net_namespace.h>
17 #include <linux/rcupdate.h>
18 #include <linux/fips.h>
19 #include <linux/if_ether.h>
20 #include <net/cfg80211.h>
21 #include "ieee80211_i.h"
22 #include "driver-ops.h"
27 static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
28 struct vif_params *params)
30 bool mu_mimo_groups = false;
31 bool mu_mimo_follow = false;
33 if (params->vht_mumimo_groups) {
36 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
38 memcpy(sdata->vif.bss_conf.mu_group.membership,
39 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
40 memcpy(sdata->vif.bss_conf.mu_group.position,
41 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
42 WLAN_USER_POSITION_LEN);
43 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
44 /* don't care about endianness - just check for 0 */
45 memcpy(&membership, params->vht_mumimo_groups,
47 mu_mimo_groups = membership != 0;
50 if (params->vht_mumimo_follow_addr) {
52 is_valid_ether_addr(params->vht_mumimo_follow_addr);
53 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
54 params->vht_mumimo_follow_addr);
57 sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
60 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
61 struct vif_params *params)
63 struct ieee80211_local *local = sdata->local;
64 struct ieee80211_sub_if_data *monitor_sdata;
66 /* check flags first */
67 if (params->flags && ieee80211_sdata_running(sdata)) {
68 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
71 * Prohibit MONITOR_FLAG_COOK_FRAMES and
72 * MONITOR_FLAG_ACTIVE to be changed while the
74 * Else we would need to add a lot of cruft
75 * to update everything:
76 * cooked_mntrs, monitor and all fif_* counters
77 * reconfigure hardware
79 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
83 /* also validate MU-MIMO change */
84 monitor_sdata = rtnl_dereference(local->monitor_sdata);
87 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
90 /* apply all changes now - no failures allowed */
93 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
96 if (ieee80211_sdata_running(sdata)) {
97 ieee80211_adjust_monitor_flags(sdata, -1);
98 sdata->u.mntr.flags = params->flags;
99 ieee80211_adjust_monitor_flags(sdata, 1);
101 ieee80211_configure_filter(local);
104 * Because the interface is down, ieee80211_do_stop
105 * and ieee80211_do_open take care of "everything"
106 * mentioned in the comment above.
108 sdata->u.mntr.flags = params->flags;
115 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
117 unsigned char name_assign_type,
118 enum nl80211_iftype type,
119 struct vif_params *params)
121 struct ieee80211_local *local = wiphy_priv(wiphy);
122 struct wireless_dev *wdev;
123 struct ieee80211_sub_if_data *sdata;
126 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
130 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
132 if (type == NL80211_IFTYPE_MONITOR) {
133 err = ieee80211_set_mon_options(sdata, params);
135 ieee80211_if_remove(sdata);
143 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
145 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
150 static int ieee80211_change_iface(struct wiphy *wiphy,
151 struct net_device *dev,
152 enum nl80211_iftype type,
153 struct vif_params *params)
155 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
158 ret = ieee80211_if_change_type(sdata, type);
162 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
163 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
164 ieee80211_check_fast_rx_iface(sdata);
165 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
166 sdata->u.mgd.use_4addr = params->use_4addr;
169 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
170 ret = ieee80211_set_mon_options(sdata, params);
178 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
179 struct wireless_dev *wdev)
181 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
184 mutex_lock(&sdata->local->chanctx_mtx);
185 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
186 mutex_unlock(&sdata->local->chanctx_mtx);
190 return ieee80211_do_open(wdev, true);
193 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
194 struct wireless_dev *wdev)
196 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
199 static int ieee80211_start_nan(struct wiphy *wiphy,
200 struct wireless_dev *wdev,
201 struct cfg80211_nan_conf *conf)
203 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
206 mutex_lock(&sdata->local->chanctx_mtx);
207 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
208 mutex_unlock(&sdata->local->chanctx_mtx);
212 ret = ieee80211_do_open(wdev, true);
216 ret = drv_start_nan(sdata->local, sdata, conf);
218 ieee80211_sdata_stop(sdata);
220 sdata->u.nan.conf = *conf;
225 static void ieee80211_stop_nan(struct wiphy *wiphy,
226 struct wireless_dev *wdev)
228 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
230 drv_stop_nan(sdata->local, sdata);
231 ieee80211_sdata_stop(sdata);
234 static int ieee80211_nan_change_conf(struct wiphy *wiphy,
235 struct wireless_dev *wdev,
236 struct cfg80211_nan_conf *conf,
239 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
240 struct cfg80211_nan_conf new_conf;
243 if (sdata->vif.type != NL80211_IFTYPE_NAN)
246 if (!ieee80211_sdata_running(sdata))
249 new_conf = sdata->u.nan.conf;
251 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
252 new_conf.master_pref = conf->master_pref;
254 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
255 new_conf.bands = conf->bands;
257 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
259 sdata->u.nan.conf = new_conf;
264 static int ieee80211_add_nan_func(struct wiphy *wiphy,
265 struct wireless_dev *wdev,
266 struct cfg80211_nan_func *nan_func)
268 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
271 if (sdata->vif.type != NL80211_IFTYPE_NAN)
274 if (!ieee80211_sdata_running(sdata))
277 spin_lock_bh(&sdata->u.nan.func_lock);
279 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
280 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
282 spin_unlock_bh(&sdata->u.nan.func_lock);
287 nan_func->instance_id = ret;
289 WARN_ON(nan_func->instance_id == 0);
291 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
293 spin_lock_bh(&sdata->u.nan.func_lock);
294 idr_remove(&sdata->u.nan.function_inst_ids,
295 nan_func->instance_id);
296 spin_unlock_bh(&sdata->u.nan.func_lock);
302 static struct cfg80211_nan_func *
303 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
306 struct cfg80211_nan_func *func;
309 lockdep_assert_held(&sdata->u.nan.func_lock);
311 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
312 if (func->cookie == cookie)
319 static void ieee80211_del_nan_func(struct wiphy *wiphy,
320 struct wireless_dev *wdev, u64 cookie)
322 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
323 struct cfg80211_nan_func *func;
326 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
327 !ieee80211_sdata_running(sdata))
330 spin_lock_bh(&sdata->u.nan.func_lock);
332 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
334 instance_id = func->instance_id;
336 spin_unlock_bh(&sdata->u.nan.func_lock);
339 drv_del_nan_func(sdata->local, sdata, instance_id);
342 static int ieee80211_set_noack_map(struct wiphy *wiphy,
343 struct net_device *dev,
346 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
348 sdata->noack_map = noack_map;
350 ieee80211_check_fast_xmit_iface(sdata);
355 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
356 const u8 *mac_addr, u8 key_idx)
358 struct ieee80211_local *local = sdata->local;
359 struct ieee80211_key *key;
360 struct sta_info *sta;
363 if (!wiphy_ext_feature_isset(local->hw.wiphy,
364 NL80211_EXT_FEATURE_EXT_KEY_ID))
367 sta = sta_info_get_bss(sdata, mac_addr);
372 if (sta->ptk_idx == key_idx)
375 mutex_lock(&local->key_mtx);
376 key = key_mtx_dereference(local, sta->ptk[key_idx]);
378 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
379 ret = ieee80211_set_tx_key(key);
381 mutex_unlock(&local->key_mtx);
385 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
386 u8 key_idx, bool pairwise, const u8 *mac_addr,
387 struct key_params *params)
389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
390 struct ieee80211_local *local = sdata->local;
391 struct sta_info *sta = NULL;
392 const struct ieee80211_cipher_scheme *cs = NULL;
393 struct ieee80211_key *key;
396 if (!ieee80211_sdata_running(sdata))
399 if (pairwise && params->mode == NL80211_KEY_SET_TX)
400 return ieee80211_set_tx(sdata, mac_addr, key_idx);
402 /* reject WEP and TKIP keys if WEP failed to initialize */
403 switch (params->cipher) {
404 case WLAN_CIPHER_SUITE_WEP40:
405 case WLAN_CIPHER_SUITE_TKIP:
406 case WLAN_CIPHER_SUITE_WEP104:
407 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 key = rcu_dereference(sta->gtk[key_idx]);
574 key = rcu_dereference(sdata->keys[key_idx]);
579 memset(¶ms, 0, sizeof(params));
581 params.cipher = key->conf.cipher;
583 switch (key->conf.cipher) {
584 case WLAN_CIPHER_SUITE_TKIP:
585 pn64 = atomic64_read(&key->conf.tx_pn);
586 iv32 = TKIP_PN_TO_IV32(pn64);
587 iv16 = TKIP_PN_TO_IV16(pn64);
589 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
590 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
591 drv_get_key_seq(sdata->local, key, &kseq);
592 iv32 = kseq.tkip.iv32;
593 iv16 = kseq.tkip.iv16;
596 seq[0] = iv16 & 0xff;
597 seq[1] = (iv16 >> 8) & 0xff;
598 seq[2] = iv32 & 0xff;
599 seq[3] = (iv32 >> 8) & 0xff;
600 seq[4] = (iv32 >> 16) & 0xff;
601 seq[5] = (iv32 >> 24) & 0xff;
605 case WLAN_CIPHER_SUITE_CCMP:
606 case WLAN_CIPHER_SUITE_CCMP_256:
607 case WLAN_CIPHER_SUITE_AES_CMAC:
608 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
609 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
610 offsetof(typeof(kseq), aes_cmac));
612 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
613 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
614 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
615 offsetof(typeof(kseq), aes_gmac));
617 case WLAN_CIPHER_SUITE_GCMP:
618 case WLAN_CIPHER_SUITE_GCMP_256:
619 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
620 offsetof(typeof(kseq), gcmp));
622 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
623 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
624 drv_get_key_seq(sdata->local, key, &kseq);
625 memcpy(seq, kseq.ccmp.pn, 6);
627 pn64 = atomic64_read(&key->conf.tx_pn);
639 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
641 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
643 drv_get_key_seq(sdata->local, key, &kseq);
644 params.seq = kseq.hw.seq;
645 params.seq_len = kseq.hw.seq_len;
649 params.key = key->conf.key;
650 params.key_len = key->conf.keylen;
652 callback(cookie, ¶ms);
660 static int ieee80211_config_default_key(struct wiphy *wiphy,
661 struct net_device *dev,
662 u8 key_idx, bool uni,
665 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
667 ieee80211_set_default_key(sdata, key_idx, uni, multi);
672 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
673 struct net_device *dev,
676 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
678 ieee80211_set_default_mgmt_key(sdata, key_idx);
683 void sta_set_rate_info_tx(struct sta_info *sta,
684 const struct ieee80211_tx_rate *rate,
685 struct rate_info *rinfo)
688 if (rate->flags & IEEE80211_TX_RC_MCS) {
689 rinfo->flags |= RATE_INFO_FLAGS_MCS;
690 rinfo->mcs = rate->idx;
691 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
692 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
693 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
694 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
696 struct ieee80211_supported_band *sband;
697 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
700 sband = ieee80211_get_sband(sta->sdata);
702 brate = sband->bitrates[rate->idx].bitrate;
703 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
706 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
707 rinfo->bw = RATE_INFO_BW_40;
708 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
709 rinfo->bw = RATE_INFO_BW_80;
710 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
711 rinfo->bw = RATE_INFO_BW_160;
713 rinfo->bw = RATE_INFO_BW_20;
714 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
715 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
718 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
719 int idx, u8 *mac, struct station_info *sinfo)
721 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
722 struct ieee80211_local *local = sdata->local;
723 struct sta_info *sta;
726 mutex_lock(&local->sta_mtx);
728 sta = sta_info_get_by_idx(sdata, idx);
731 memcpy(mac, sta->sta.addr, ETH_ALEN);
732 sta_set_sinfo(sta, sinfo, true);
735 mutex_unlock(&local->sta_mtx);
740 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
741 int idx, struct survey_info *survey)
743 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
745 return drv_get_survey(local, idx, survey);
748 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
749 const u8 *mac, struct station_info *sinfo)
751 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
752 struct ieee80211_local *local = sdata->local;
753 struct sta_info *sta;
756 mutex_lock(&local->sta_mtx);
758 sta = sta_info_get_bss(sdata, mac);
761 sta_set_sinfo(sta, sinfo, true);
764 mutex_unlock(&local->sta_mtx);
769 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
770 struct cfg80211_chan_def *chandef)
772 struct ieee80211_local *local = wiphy_priv(wiphy);
773 struct ieee80211_sub_if_data *sdata;
776 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
779 mutex_lock(&local->mtx);
780 if (local->use_chanctx) {
781 sdata = rtnl_dereference(local->monitor_sdata);
783 ieee80211_vif_release_channel(sdata);
784 ret = ieee80211_vif_use_channel(sdata, chandef,
785 IEEE80211_CHANCTX_EXCLUSIVE);
787 } else if (local->open_count == local->monitors) {
788 local->_oper_chandef = *chandef;
789 ieee80211_hw_config(local, 0);
793 local->monitor_chandef = *chandef;
794 mutex_unlock(&local->mtx);
799 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
800 const u8 *resp, size_t resp_len,
801 const struct ieee80211_csa_settings *csa)
803 struct probe_resp *new, *old;
805 if (!resp || !resp_len)
808 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
810 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
815 memcpy(new->data, resp, resp_len);
818 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
819 csa->n_counter_offsets_presp *
820 sizeof(new->csa_counter_offsets[0]));
822 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
824 kfree_rcu(old, rcu_head);
829 static int ieee80211_set_ftm_responder_params(
830 struct ieee80211_sub_if_data *sdata,
831 const u8 *lci, size_t lci_len,
832 const u8 *civicloc, size_t civicloc_len)
834 struct ieee80211_ftm_responder_params *new, *old;
835 struct ieee80211_bss_conf *bss_conf;
839 if (!lci_len && !civicloc_len)
842 bss_conf = &sdata->vif.bss_conf;
843 old = bss_conf->ftmr_params;
844 len = lci_len + civicloc_len;
846 new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
850 pos = (u8 *)(new + 1);
852 new->lci_len = lci_len;
854 memcpy(pos, lci, lci_len);
859 new->civicloc_len = civicloc_len;
861 memcpy(pos, civicloc, civicloc_len);
865 bss_conf->ftmr_params = new;
871 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
872 struct cfg80211_beacon_data *params,
873 const struct ieee80211_csa_settings *csa)
875 struct beacon_data *new, *old;
876 int new_head_len, new_tail_len;
878 u32 changed = BSS_CHANGED_BEACON;
880 old = sdata_dereference(sdata->u.ap.beacon, sdata);
883 /* Need to have a beacon head if we don't have one yet */
884 if (!params->head && !old)
887 /* new or old head? */
889 new_head_len = params->head_len;
891 new_head_len = old->head_len;
893 /* new or old tail? */
894 if (params->tail || !old)
895 /* params->tail_len will be zero for !params->tail */
896 new_tail_len = params->tail_len;
898 new_tail_len = old->tail_len;
900 size = sizeof(*new) + new_head_len + new_tail_len;
902 new = kzalloc(size, GFP_KERNEL);
906 /* start filling the new info now */
909 * pointers go into the block we allocated,
910 * memory is | beacon_data | head | tail |
912 new->head = ((u8 *) new) + sizeof(*new);
913 new->tail = new->head + new_head_len;
914 new->head_len = new_head_len;
915 new->tail_len = new_tail_len;
918 new->csa_current_counter = csa->count;
919 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
920 csa->n_counter_offsets_beacon *
921 sizeof(new->csa_counter_offsets[0]));
926 memcpy(new->head, params->head, new_head_len);
928 memcpy(new->head, old->head, new_head_len);
930 /* copy in optional tail */
932 memcpy(new->tail, params->tail, new_tail_len);
935 memcpy(new->tail, old->tail, new_tail_len);
937 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
938 params->probe_resp_len, csa);
944 changed |= BSS_CHANGED_AP_PROBE_RESP;
946 if (params->ftm_responder != -1) {
947 sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
948 err = ieee80211_set_ftm_responder_params(sdata,
952 params->civicloc_len);
959 changed |= BSS_CHANGED_FTM_RESPONDER;
962 rcu_assign_pointer(sdata->u.ap.beacon, new);
965 kfree_rcu(old, rcu_head);
970 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
971 struct cfg80211_ap_settings *params)
973 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
974 struct ieee80211_local *local = sdata->local;
975 struct beacon_data *old;
976 struct ieee80211_sub_if_data *vlan;
977 u32 changed = BSS_CHANGED_BEACON_INT |
978 BSS_CHANGED_BEACON_ENABLED |
982 BSS_CHANGED_TXPOWER |
984 BSS_CHANGED_HE_OBSS_PD;
988 old = sdata_dereference(sdata->u.ap.beacon, sdata);
992 switch (params->smps_mode) {
993 case NL80211_SMPS_OFF:
994 sdata->smps_mode = IEEE80211_SMPS_OFF;
996 case NL80211_SMPS_STATIC:
997 sdata->smps_mode = IEEE80211_SMPS_STATIC;
999 case NL80211_SMPS_DYNAMIC:
1000 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
1005 sdata->u.ap.req_smps = sdata->smps_mode;
1007 sdata->needed_rx_chains = sdata->local->rx_chains;
1009 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1010 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1013 sdata->vif.bss_conf.he_support = true;
1015 mutex_lock(&local->mtx);
1016 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
1017 IEEE80211_CHANCTX_SHARED);
1019 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1020 mutex_unlock(&local->mtx);
1022 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1027 * Apply control port protocol, this allows us to
1028 * not encrypt dynamic WEP control frames.
1030 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1031 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1032 sdata->control_port_over_nl80211 =
1033 params->crypto.control_port_over_nl80211;
1034 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1038 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1039 vlan->control_port_protocol =
1040 params->crypto.control_port_ethertype;
1041 vlan->control_port_no_encrypt =
1042 params->crypto.control_port_no_encrypt;
1043 vlan->control_port_over_nl80211 =
1044 params->crypto.control_port_over_nl80211;
1045 vlan->encrypt_headroom =
1046 ieee80211_cs_headroom(sdata->local,
1051 sdata->vif.bss_conf.dtim_period = params->dtim_period;
1052 sdata->vif.bss_conf.enable_beacon = true;
1053 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1054 sdata->vif.bss_conf.twt_responder = params->twt_responder;
1055 memcpy(&sdata->vif.bss_conf.he_obss_pd, ¶ms->he_obss_pd,
1056 sizeof(struct ieee80211_he_obss_pd));
1058 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1059 if (params->ssid_len)
1060 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1062 sdata->vif.bss_conf.hidden_ssid =
1063 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1065 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1066 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1067 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1068 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1069 if (params->p2p_opp_ps)
1070 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1071 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1073 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
1075 ieee80211_vif_release_channel(sdata);
1080 err = drv_start_ap(sdata->local, sdata);
1082 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1085 kfree_rcu(old, rcu_head);
1086 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1087 ieee80211_vif_release_channel(sdata);
1091 ieee80211_recalc_dtim(local, sdata);
1092 ieee80211_bss_info_change_notify(sdata, changed);
1094 netif_carrier_on(dev);
1095 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1096 netif_carrier_on(vlan->dev);
1101 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1102 struct cfg80211_beacon_data *params)
1104 struct ieee80211_sub_if_data *sdata;
1105 struct beacon_data *old;
1108 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1109 sdata_assert_lock(sdata);
1111 /* don't allow changing the beacon while CSA is in place - offset
1112 * of channel switch counter may change
1114 if (sdata->vif.csa_active)
1117 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1121 err = ieee80211_assign_beacon(sdata, params, NULL);
1124 ieee80211_bss_info_change_notify(sdata, err);
1128 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1130 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1131 struct ieee80211_sub_if_data *vlan;
1132 struct ieee80211_local *local = sdata->local;
1133 struct beacon_data *old_beacon;
1134 struct probe_resp *old_probe_resp;
1135 struct cfg80211_chan_def chandef;
1137 sdata_assert_lock(sdata);
1139 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1142 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1144 /* abort any running channel switch */
1145 mutex_lock(&local->mtx);
1146 sdata->vif.csa_active = false;
1147 if (sdata->csa_block_tx) {
1148 ieee80211_wake_vif_queues(local, sdata,
1149 IEEE80211_QUEUE_STOP_REASON_CSA);
1150 sdata->csa_block_tx = false;
1153 mutex_unlock(&local->mtx);
1155 kfree(sdata->u.ap.next_beacon);
1156 sdata->u.ap.next_beacon = NULL;
1158 /* turn off carrier for this interface and dependent VLANs */
1159 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1160 netif_carrier_off(vlan->dev);
1161 netif_carrier_off(dev);
1163 /* remove beacon and probe response */
1164 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1165 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1166 kfree_rcu(old_beacon, rcu_head);
1168 kfree_rcu(old_probe_resp, rcu_head);
1169 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
1171 kfree(sdata->vif.bss_conf.ftmr_params);
1172 sdata->vif.bss_conf.ftmr_params = NULL;
1174 __sta_info_flush(sdata, true);
1175 ieee80211_free_keys(sdata, true);
1177 sdata->vif.bss_conf.enable_beacon = false;
1178 sdata->vif.bss_conf.ssid_len = 0;
1179 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1180 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1182 if (sdata->wdev.cac_started) {
1183 chandef = sdata->vif.bss_conf.chandef;
1184 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1185 cfg80211_cac_event(sdata->dev, &chandef,
1186 NL80211_RADAR_CAC_ABORTED,
1190 drv_stop_ap(sdata->local, sdata);
1192 /* free all potentially still buffered bcast frames */
1193 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1194 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1196 mutex_lock(&local->mtx);
1197 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1198 ieee80211_vif_release_channel(sdata);
1199 mutex_unlock(&local->mtx);
1204 static int sta_apply_auth_flags(struct ieee80211_local *local,
1205 struct sta_info *sta,
1210 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1211 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1212 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1213 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1218 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1219 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1220 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1222 * When peer becomes associated, init rate control as
1223 * well. Some drivers require rate control initialized
1224 * before drv_sta_state() is called.
1226 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1227 rate_control_rate_init(sta);
1229 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1234 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1235 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1236 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1237 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1238 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1245 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1246 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1247 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1248 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1253 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1254 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1255 test_sta_flag(sta, WLAN_STA_AUTH)) {
1256 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1264 static void sta_apply_mesh_params(struct ieee80211_local *local,
1265 struct sta_info *sta,
1266 struct station_parameters *params)
1268 #ifdef CONFIG_MAC80211_MESH
1269 struct ieee80211_sub_if_data *sdata = sta->sdata;
1272 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1273 switch (params->plink_state) {
1274 case NL80211_PLINK_ESTAB:
1275 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1276 changed = mesh_plink_inc_estab_count(sdata);
1277 sta->mesh->plink_state = params->plink_state;
1278 sta->mesh->aid = params->peer_aid;
1280 ieee80211_mps_sta_status_update(sta);
1281 changed |= ieee80211_mps_set_sta_local_pm(sta,
1282 sdata->u.mesh.mshcfg.power_mode);
1284 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1285 /* init at low value */
1286 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1289 case NL80211_PLINK_LISTEN:
1290 case NL80211_PLINK_BLOCKED:
1291 case NL80211_PLINK_OPN_SNT:
1292 case NL80211_PLINK_OPN_RCVD:
1293 case NL80211_PLINK_CNF_RCVD:
1294 case NL80211_PLINK_HOLDING:
1295 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1296 changed = mesh_plink_dec_estab_count(sdata);
1297 sta->mesh->plink_state = params->plink_state;
1299 ieee80211_mps_sta_status_update(sta);
1300 changed |= ieee80211_mps_set_sta_local_pm(sta,
1301 NL80211_MESH_POWER_UNKNOWN);
1309 switch (params->plink_action) {
1310 case NL80211_PLINK_ACTION_NO_ACTION:
1313 case NL80211_PLINK_ACTION_OPEN:
1314 changed |= mesh_plink_open(sta);
1316 case NL80211_PLINK_ACTION_BLOCK:
1317 changed |= mesh_plink_block(sta);
1321 if (params->local_pm)
1322 changed |= ieee80211_mps_set_sta_local_pm(sta,
1325 ieee80211_mbss_info_change_notify(sdata, changed);
1329 static int sta_apply_parameters(struct ieee80211_local *local,
1330 struct sta_info *sta,
1331 struct station_parameters *params)
1334 struct ieee80211_supported_band *sband;
1335 struct ieee80211_sub_if_data *sdata = sta->sdata;
1338 sband = ieee80211_get_sband(sdata);
1342 mask = params->sta_flags_mask;
1343 set = params->sta_flags_set;
1345 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1347 * In mesh mode, ASSOCIATED isn't part of the nl80211
1348 * API but must follow AUTHENTICATED for driver state.
1350 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1351 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1352 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1353 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1354 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1356 * TDLS -- everything follows authorized, but
1357 * only becoming authorized is possible, not
1360 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1361 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1362 BIT(NL80211_STA_FLAG_ASSOCIATED);
1363 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1364 BIT(NL80211_STA_FLAG_ASSOCIATED);
1368 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1369 local->hw.queues >= IEEE80211_NUM_ACS)
1370 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1372 /* auth flags will be set later for TDLS,
1373 * and for unassociated stations that move to assocaited */
1374 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1375 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1376 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1377 ret = sta_apply_auth_flags(local, sta, mask, set);
1382 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1383 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1384 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1386 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1389 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1390 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1391 if (set & BIT(NL80211_STA_FLAG_MFP))
1392 set_sta_flag(sta, WLAN_STA_MFP);
1394 clear_sta_flag(sta, WLAN_STA_MFP);
1397 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1398 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1399 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1401 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1404 /* mark TDLS channel switch support, if the AP allows it */
1405 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1406 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1407 params->ext_capab_len >= 4 &&
1408 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1409 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1411 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1412 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1413 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1414 params->ext_capab_len >= 8 &&
1415 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1416 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1418 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1419 sta->sta.uapsd_queues = params->uapsd_queues;
1420 sta->sta.max_sp = params->max_sp;
1423 /* The sender might not have sent the last bit, consider it to be 0 */
1424 if (params->ext_capab_len >= 8) {
1425 u8 val = (params->ext_capab[7] &
1426 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1428 /* we did get all the bits, take the MSB as well */
1429 if (params->ext_capab_len >= 9) {
1430 u8 val_msb = params->ext_capab[8] &
1431 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1438 sta->sta.max_amsdu_subframes = 32;
1441 sta->sta.max_amsdu_subframes = 16;
1444 sta->sta.max_amsdu_subframes = 8;
1447 sta->sta.max_amsdu_subframes = 0;
1452 * cfg80211 validates this (1-2007) and allows setting the AID
1453 * only when creating a new station entry
1456 sta->sta.aid = params->aid;
1459 * Some of the following updates would be racy if called on an
1460 * existing station, via ieee80211_change_station(). However,
1461 * all such changes are rejected by cfg80211 except for updates
1462 * changing the supported rates on an existing but not yet used
1466 if (params->listen_interval >= 0)
1467 sta->listen_interval = params->listen_interval;
1469 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1470 sta->sta.txpwr.type = params->txpwr.type;
1471 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1472 sta->sta.txpwr.power = params->txpwr.power;
1473 ret = drv_sta_set_txpwr(local, sdata, sta);
1478 if (params->supported_rates && params->supported_rates_len) {
1479 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1480 sband, params->supported_rates,
1481 params->supported_rates_len,
1482 &sta->sta.supp_rates[sband->band]);
1485 if (params->ht_capa)
1486 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1487 params->ht_capa, sta);
1489 /* VHT can override some HT caps such as the A-MSDU max length */
1490 if (params->vht_capa)
1491 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1492 params->vht_capa, sta);
1494 if (params->he_capa)
1495 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1496 (void *)params->he_capa,
1497 params->he_capa_len, sta);
1499 if (params->opmode_notif_used) {
1500 /* returned value is only needed for rc update, but the
1501 * rc isn't initialized here yet, so ignore it
1503 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1507 if (params->support_p2p_ps >= 0)
1508 sta->sta.support_p2p_ps = params->support_p2p_ps;
1510 if (ieee80211_vif_is_mesh(&sdata->vif))
1511 sta_apply_mesh_params(local, sta, params);
1513 if (params->airtime_weight)
1514 sta->airtime_weight = params->airtime_weight;
1516 /* set the STA state after all sta info from usermode has been set */
1517 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1518 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1519 ret = sta_apply_auth_flags(local, sta, mask, set);
1527 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1529 struct station_parameters *params)
1531 struct ieee80211_local *local = wiphy_priv(wiphy);
1532 struct sta_info *sta;
1533 struct ieee80211_sub_if_data *sdata;
1537 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1539 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1540 sdata->vif.type != NL80211_IFTYPE_AP)
1543 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1545 if (ether_addr_equal(mac, sdata->vif.addr))
1548 if (!is_valid_ether_addr(mac))
1551 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1552 sdata->vif.type == NL80211_IFTYPE_STATION &&
1553 !sdata->u.mgd.associated)
1556 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1560 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1561 sta->sta.tdls = true;
1563 err = sta_apply_parameters(local, sta, params);
1565 sta_info_free(local, sta);
1570 * for TDLS and for unassociated station, rate control should be
1571 * initialized only when rates are known and station is marked
1572 * authorized/associated
1574 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1575 test_sta_flag(sta, WLAN_STA_ASSOC))
1576 rate_control_rate_init(sta);
1578 err = sta_info_insert_rcu(sta);
1589 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1590 struct station_del_parameters *params)
1592 struct ieee80211_sub_if_data *sdata;
1594 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1597 return sta_info_destroy_addr_bss(sdata, params->mac);
1599 sta_info_flush(sdata);
1603 static int ieee80211_change_station(struct wiphy *wiphy,
1604 struct net_device *dev, const u8 *mac,
1605 struct station_parameters *params)
1607 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1608 struct ieee80211_local *local = wiphy_priv(wiphy);
1609 struct sta_info *sta;
1610 struct ieee80211_sub_if_data *vlansdata;
1611 enum cfg80211_station_type statype;
1614 mutex_lock(&local->sta_mtx);
1616 sta = sta_info_get_bss(sdata, mac);
1622 switch (sdata->vif.type) {
1623 case NL80211_IFTYPE_MESH_POINT:
1624 if (sdata->u.mesh.user_mpm)
1625 statype = CFG80211_STA_MESH_PEER_USER;
1627 statype = CFG80211_STA_MESH_PEER_KERNEL;
1629 case NL80211_IFTYPE_ADHOC:
1630 statype = CFG80211_STA_IBSS;
1632 case NL80211_IFTYPE_STATION:
1633 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1634 statype = CFG80211_STA_AP_STA;
1637 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1638 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1640 statype = CFG80211_STA_TDLS_PEER_SETUP;
1642 case NL80211_IFTYPE_AP:
1643 case NL80211_IFTYPE_AP_VLAN:
1644 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1645 statype = CFG80211_STA_AP_CLIENT;
1647 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1654 err = cfg80211_check_station_change(wiphy, params, statype);
1658 if (params->vlan && params->vlan != sta->sdata->dev) {
1659 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1661 if (params->vlan->ieee80211_ptr->use_4addr) {
1662 if (vlansdata->u.vlan.sta) {
1667 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1668 __ieee80211_check_fast_rx_iface(vlansdata);
1671 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1672 sta->sdata->u.vlan.sta)
1673 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1675 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1676 ieee80211_vif_dec_num_mcast(sta->sdata);
1678 sta->sdata = vlansdata;
1679 ieee80211_check_fast_xmit(sta);
1681 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1682 ieee80211_vif_inc_num_mcast(sta->sdata);
1683 cfg80211_send_layer2_update(sta->sdata->dev,
1688 err = sta_apply_parameters(local, sta, params);
1692 mutex_unlock(&local->sta_mtx);
1694 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1695 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1696 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1697 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1698 sta_info_tx_streams(sta) != 1) {
1700 "%pM just authorized and MIMO capable - update SMPS\n",
1702 ieee80211_send_smps_action(sta->sdata,
1703 sta->sdata->bss->req_smps,
1705 sta->sdata->vif.bss_conf.bssid);
1708 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1709 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1710 ieee80211_recalc_ps(local);
1711 ieee80211_recalc_ps_vif(sdata);
1716 mutex_unlock(&local->sta_mtx);
1720 #ifdef CONFIG_MAC80211_MESH
1721 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1722 const u8 *dst, const u8 *next_hop)
1724 struct ieee80211_sub_if_data *sdata;
1725 struct mesh_path *mpath;
1726 struct sta_info *sta;
1728 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1731 sta = sta_info_get(sdata, next_hop);
1737 mpath = mesh_path_add(sdata, dst);
1738 if (IS_ERR(mpath)) {
1740 return PTR_ERR(mpath);
1743 mesh_path_fix_nexthop(mpath, sta);
1749 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1752 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1755 return mesh_path_del(sdata, dst);
1757 mesh_path_flush_by_iface(sdata);
1761 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1762 const u8 *dst, const u8 *next_hop)
1764 struct ieee80211_sub_if_data *sdata;
1765 struct mesh_path *mpath;
1766 struct sta_info *sta;
1768 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1772 sta = sta_info_get(sdata, next_hop);
1778 mpath = mesh_path_lookup(sdata, dst);
1784 mesh_path_fix_nexthop(mpath, sta);
1790 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1791 struct mpath_info *pinfo)
1793 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1796 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1798 eth_zero_addr(next_hop);
1800 memset(pinfo, 0, sizeof(*pinfo));
1802 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1804 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1807 MPATH_INFO_EXPTIME |
1808 MPATH_INFO_DISCOVERY_TIMEOUT |
1809 MPATH_INFO_DISCOVERY_RETRIES |
1811 MPATH_INFO_HOP_COUNT |
1812 MPATH_INFO_PATH_CHANGE;
1814 pinfo->frame_qlen = mpath->frame_queue.qlen;
1815 pinfo->sn = mpath->sn;
1816 pinfo->metric = mpath->metric;
1817 if (time_before(jiffies, mpath->exp_time))
1818 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1819 pinfo->discovery_timeout =
1820 jiffies_to_msecs(mpath->discovery_timeout);
1821 pinfo->discovery_retries = mpath->discovery_retries;
1822 if (mpath->flags & MESH_PATH_ACTIVE)
1823 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1824 if (mpath->flags & MESH_PATH_RESOLVING)
1825 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1826 if (mpath->flags & MESH_PATH_SN_VALID)
1827 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1828 if (mpath->flags & MESH_PATH_FIXED)
1829 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1830 if (mpath->flags & MESH_PATH_RESOLVED)
1831 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1832 pinfo->hop_count = mpath->hop_count;
1833 pinfo->path_change_count = mpath->path_change_count;
1836 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1837 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1840 struct ieee80211_sub_if_data *sdata;
1841 struct mesh_path *mpath;
1843 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1846 mpath = mesh_path_lookup(sdata, dst);
1851 memcpy(dst, mpath->dst, ETH_ALEN);
1852 mpath_set_pinfo(mpath, next_hop, pinfo);
1857 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1858 int idx, u8 *dst, u8 *next_hop,
1859 struct mpath_info *pinfo)
1861 struct ieee80211_sub_if_data *sdata;
1862 struct mesh_path *mpath;
1864 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1867 mpath = mesh_path_lookup_by_idx(sdata, idx);
1872 memcpy(dst, mpath->dst, ETH_ALEN);
1873 mpath_set_pinfo(mpath, next_hop, pinfo);
1878 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1879 struct mpath_info *pinfo)
1881 memset(pinfo, 0, sizeof(*pinfo));
1882 memcpy(mpp, mpath->mpp, ETH_ALEN);
1884 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1887 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1888 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1891 struct ieee80211_sub_if_data *sdata;
1892 struct mesh_path *mpath;
1894 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1897 mpath = mpp_path_lookup(sdata, dst);
1902 memcpy(dst, mpath->dst, ETH_ALEN);
1903 mpp_set_pinfo(mpath, mpp, pinfo);
1908 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1909 int idx, u8 *dst, u8 *mpp,
1910 struct mpath_info *pinfo)
1912 struct ieee80211_sub_if_data *sdata;
1913 struct mesh_path *mpath;
1915 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1918 mpath = mpp_path_lookup_by_idx(sdata, idx);
1923 memcpy(dst, mpath->dst, ETH_ALEN);
1924 mpp_set_pinfo(mpath, mpp, pinfo);
1929 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1930 struct net_device *dev,
1931 struct mesh_config *conf)
1933 struct ieee80211_sub_if_data *sdata;
1934 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1936 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1940 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1942 return (mask >> (parm-1)) & 0x1;
1945 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1946 const struct mesh_setup *setup)
1950 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1951 struct ieee80211_sub_if_data, u.mesh);
1953 /* allocate information elements */
1957 if (setup->ie_len) {
1958 new_ie = kmemdup(setup->ie, setup->ie_len,
1963 ifmsh->ie_len = setup->ie_len;
1967 /* now copy the rest of the setup parameters */
1968 ifmsh->mesh_id_len = setup->mesh_id_len;
1969 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1970 ifmsh->mesh_sp_id = setup->sync_method;
1971 ifmsh->mesh_pp_id = setup->path_sel_proto;
1972 ifmsh->mesh_pm_id = setup->path_metric;
1973 ifmsh->user_mpm = setup->user_mpm;
1974 ifmsh->mesh_auth_id = setup->auth_id;
1975 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1976 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1977 if (setup->is_authenticated)
1978 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1979 if (setup->is_secure)
1980 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1982 /* mcast rate setting in Mesh Node */
1983 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1984 sizeof(setup->mcast_rate));
1985 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1987 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1988 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1993 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1994 struct net_device *dev, u32 mask,
1995 const struct mesh_config *nconf)
1997 struct mesh_config *conf;
1998 struct ieee80211_sub_if_data *sdata;
1999 struct ieee80211_if_mesh *ifmsh;
2001 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2002 ifmsh = &sdata->u.mesh;
2004 /* Set the config options which we are interested in setting */
2005 conf = &(sdata->u.mesh.mshcfg);
2006 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2007 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2008 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2009 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2010 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2011 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2012 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2013 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2014 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2015 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2016 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2017 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2018 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2019 conf->element_ttl = nconf->element_ttl;
2020 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2021 if (ifmsh->user_mpm)
2023 conf->auto_open_plinks = nconf->auto_open_plinks;
2025 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2026 conf->dot11MeshNbrOffsetMaxNeighbor =
2027 nconf->dot11MeshNbrOffsetMaxNeighbor;
2028 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2029 conf->dot11MeshHWMPmaxPREQretries =
2030 nconf->dot11MeshHWMPmaxPREQretries;
2031 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2032 conf->path_refresh_time = nconf->path_refresh_time;
2033 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2034 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2035 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2036 conf->dot11MeshHWMPactivePathTimeout =
2037 nconf->dot11MeshHWMPactivePathTimeout;
2038 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2039 conf->dot11MeshHWMPpreqMinInterval =
2040 nconf->dot11MeshHWMPpreqMinInterval;
2041 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2042 conf->dot11MeshHWMPperrMinInterval =
2043 nconf->dot11MeshHWMPperrMinInterval;
2044 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2046 conf->dot11MeshHWMPnetDiameterTraversalTime =
2047 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2048 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2049 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2050 ieee80211_mesh_root_setup(ifmsh);
2052 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2053 /* our current gate announcement implementation rides on root
2054 * announcements, so require this ifmsh to also be a root node
2056 if (nconf->dot11MeshGateAnnouncementProtocol &&
2057 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2058 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2059 ieee80211_mesh_root_setup(ifmsh);
2061 conf->dot11MeshGateAnnouncementProtocol =
2062 nconf->dot11MeshGateAnnouncementProtocol;
2064 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2065 conf->dot11MeshHWMPRannInterval =
2066 nconf->dot11MeshHWMPRannInterval;
2067 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2068 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2069 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2070 /* our RSSI threshold implementation is supported only for
2071 * devices that report signal in dBm.
2073 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2075 conf->rssi_threshold = nconf->rssi_threshold;
2077 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2078 conf->ht_opmode = nconf->ht_opmode;
2079 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2080 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2082 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2083 conf->dot11MeshHWMPactivePathToRootTimeout =
2084 nconf->dot11MeshHWMPactivePathToRootTimeout;
2085 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2086 conf->dot11MeshHWMProotInterval =
2087 nconf->dot11MeshHWMProotInterval;
2088 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2089 conf->dot11MeshHWMPconfirmationInterval =
2090 nconf->dot11MeshHWMPconfirmationInterval;
2091 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2092 conf->power_mode = nconf->power_mode;
2093 ieee80211_mps_local_status_update(sdata);
2095 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2096 conf->dot11MeshAwakeWindowDuration =
2097 nconf->dot11MeshAwakeWindowDuration;
2098 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2099 conf->plink_timeout = nconf->plink_timeout;
2100 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2101 conf->dot11MeshConnectedToMeshGate =
2102 nconf->dot11MeshConnectedToMeshGate;
2103 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2107 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2108 const struct mesh_config *conf,
2109 const struct mesh_setup *setup)
2111 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2112 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2115 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2116 err = copy_mesh_setup(ifmsh, setup);
2120 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2122 /* can mesh use other SMPS modes? */
2123 sdata->smps_mode = IEEE80211_SMPS_OFF;
2124 sdata->needed_rx_chains = sdata->local->rx_chains;
2126 mutex_lock(&sdata->local->mtx);
2127 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2128 IEEE80211_CHANCTX_SHARED);
2129 mutex_unlock(&sdata->local->mtx);
2133 return ieee80211_start_mesh(sdata);
2136 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2138 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2140 ieee80211_stop_mesh(sdata);
2141 mutex_lock(&sdata->local->mtx);
2142 ieee80211_vif_release_channel(sdata);
2143 mutex_unlock(&sdata->local->mtx);
2149 static int ieee80211_change_bss(struct wiphy *wiphy,
2150 struct net_device *dev,
2151 struct bss_parameters *params)
2153 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2154 struct ieee80211_supported_band *sband;
2157 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2160 sband = ieee80211_get_sband(sdata);
2164 if (params->use_cts_prot >= 0) {
2165 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2166 changed |= BSS_CHANGED_ERP_CTS_PROT;
2168 if (params->use_short_preamble >= 0) {
2169 sdata->vif.bss_conf.use_short_preamble =
2170 params->use_short_preamble;
2171 changed |= BSS_CHANGED_ERP_PREAMBLE;
2174 if (!sdata->vif.bss_conf.use_short_slot &&
2175 sband->band == NL80211_BAND_5GHZ) {
2176 sdata->vif.bss_conf.use_short_slot = true;
2177 changed |= BSS_CHANGED_ERP_SLOT;
2180 if (params->use_short_slot_time >= 0) {
2181 sdata->vif.bss_conf.use_short_slot =
2182 params->use_short_slot_time;
2183 changed |= BSS_CHANGED_ERP_SLOT;
2186 if (params->basic_rates) {
2187 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2188 wiphy->bands[sband->band],
2189 params->basic_rates,
2190 params->basic_rates_len,
2191 &sdata->vif.bss_conf.basic_rates);
2192 changed |= BSS_CHANGED_BASIC_RATES;
2193 ieee80211_check_rate_mask(sdata);
2196 if (params->ap_isolate >= 0) {
2197 if (params->ap_isolate)
2198 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2200 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2201 ieee80211_check_fast_rx_iface(sdata);
2204 if (params->ht_opmode >= 0) {
2205 sdata->vif.bss_conf.ht_operation_mode =
2206 (u16) params->ht_opmode;
2207 changed |= BSS_CHANGED_HT;
2210 if (params->p2p_ctwindow >= 0) {
2211 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2212 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2213 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2214 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2215 changed |= BSS_CHANGED_P2P_PS;
2218 if (params->p2p_opp_ps > 0) {
2219 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2220 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2221 changed |= BSS_CHANGED_P2P_PS;
2222 } else if (params->p2p_opp_ps == 0) {
2223 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2224 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2225 changed |= BSS_CHANGED_P2P_PS;
2228 ieee80211_bss_info_change_notify(sdata, changed);
2233 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2234 struct net_device *dev,
2235 struct ieee80211_txq_params *params)
2237 struct ieee80211_local *local = wiphy_priv(wiphy);
2238 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2239 struct ieee80211_tx_queue_params p;
2241 if (!local->ops->conf_tx)
2244 if (local->hw.queues < IEEE80211_NUM_ACS)
2247 memset(&p, 0, sizeof(p));
2248 p.aifs = params->aifs;
2249 p.cw_max = params->cwmax;
2250 p.cw_min = params->cwmin;
2251 p.txop = params->txop;
2254 * Setting tx queue params disables u-apsd because it's only
2255 * called in master mode.
2259 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2261 sdata->tx_conf[params->ac] = p;
2262 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2263 wiphy_debug(local->hw.wiphy,
2264 "failed to set TX queue parameters for AC %d\n",
2269 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2275 static int ieee80211_suspend(struct wiphy *wiphy,
2276 struct cfg80211_wowlan *wowlan)
2278 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2281 static int ieee80211_resume(struct wiphy *wiphy)
2283 return __ieee80211_resume(wiphy_priv(wiphy));
2286 #define ieee80211_suspend NULL
2287 #define ieee80211_resume NULL
2290 static int ieee80211_scan(struct wiphy *wiphy,
2291 struct cfg80211_scan_request *req)
2293 struct ieee80211_sub_if_data *sdata;
2295 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2297 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2298 case NL80211_IFTYPE_STATION:
2299 case NL80211_IFTYPE_ADHOC:
2300 case NL80211_IFTYPE_MESH_POINT:
2301 case NL80211_IFTYPE_P2P_CLIENT:
2302 case NL80211_IFTYPE_P2P_DEVICE:
2304 case NL80211_IFTYPE_P2P_GO:
2305 if (sdata->local->ops->hw_scan)
2308 * FIXME: implement NoA while scanning in software,
2309 * for now fall through to allow scanning only when
2310 * beaconing hasn't been configured yet
2313 case NL80211_IFTYPE_AP:
2315 * If the scan has been forced (and the driver supports
2316 * forcing), don't care about being beaconing already.
2317 * This will create problems to the attached stations (e.g. all
2318 * the frames sent while scanning on other channel will be
2321 if (sdata->u.ap.beacon &&
2322 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2323 !(req->flags & NL80211_SCAN_FLAG_AP)))
2326 case NL80211_IFTYPE_NAN:
2331 return ieee80211_request_scan(sdata, req);
2334 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2336 ieee80211_scan_cancel(wiphy_priv(wiphy));
2340 ieee80211_sched_scan_start(struct wiphy *wiphy,
2341 struct net_device *dev,
2342 struct cfg80211_sched_scan_request *req)
2344 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2346 if (!sdata->local->ops->sched_scan_start)
2349 return ieee80211_request_sched_scan_start(sdata, req);
2353 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2356 struct ieee80211_local *local = wiphy_priv(wiphy);
2358 if (!local->ops->sched_scan_stop)
2361 return ieee80211_request_sched_scan_stop(local);
2364 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2365 struct cfg80211_auth_request *req)
2367 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2370 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2371 struct cfg80211_assoc_request *req)
2373 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2376 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2377 struct cfg80211_deauth_request *req)
2379 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2382 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2383 struct cfg80211_disassoc_request *req)
2385 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2388 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2389 struct cfg80211_ibss_params *params)
2391 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2394 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2396 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2399 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2400 struct ocb_setup *setup)
2402 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2405 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2407 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2410 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2411 int rate[NUM_NL80211_BANDS])
2413 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2415 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2416 sizeof(int) * NUM_NL80211_BANDS);
2418 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2423 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2425 struct ieee80211_local *local = wiphy_priv(wiphy);
2428 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2429 ieee80211_check_fast_xmit_all(local);
2431 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2434 ieee80211_check_fast_xmit_all(local);
2439 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2440 (changed & WIPHY_PARAM_DYN_ACK)) {
2443 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2444 wiphy->coverage_class : -1;
2445 err = drv_set_coverage_class(local, coverage_class);
2451 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2452 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2458 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2459 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2461 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2463 if (changed & WIPHY_PARAM_RETRY_LONG) {
2464 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2466 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2469 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2470 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2472 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2473 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2474 WIPHY_PARAM_TXQ_QUANTUM))
2475 ieee80211_txq_set_params(local);
2480 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2481 struct wireless_dev *wdev,
2482 enum nl80211_tx_power_setting type, int mbm)
2484 struct ieee80211_local *local = wiphy_priv(wiphy);
2485 struct ieee80211_sub_if_data *sdata;
2486 enum nl80211_tx_power_setting txp_type = type;
2487 bool update_txp_type = false;
2488 bool has_monitor = false;
2491 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2493 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2494 sdata = rtnl_dereference(local->monitor_sdata);
2500 case NL80211_TX_POWER_AUTOMATIC:
2501 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2502 txp_type = NL80211_TX_POWER_LIMITED;
2504 case NL80211_TX_POWER_LIMITED:
2505 case NL80211_TX_POWER_FIXED:
2506 if (mbm < 0 || (mbm % 100))
2508 sdata->user_power_level = MBM_TO_DBM(mbm);
2512 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2513 update_txp_type = true;
2514 sdata->vif.bss_conf.txpower_type = txp_type;
2517 ieee80211_recalc_txpower(sdata, update_txp_type);
2523 case NL80211_TX_POWER_AUTOMATIC:
2524 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2525 txp_type = NL80211_TX_POWER_LIMITED;
2527 case NL80211_TX_POWER_LIMITED:
2528 case NL80211_TX_POWER_FIXED:
2529 if (mbm < 0 || (mbm % 100))
2531 local->user_power_level = MBM_TO_DBM(mbm);
2535 mutex_lock(&local->iflist_mtx);
2536 list_for_each_entry(sdata, &local->interfaces, list) {
2537 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2541 sdata->user_power_level = local->user_power_level;
2542 if (txp_type != sdata->vif.bss_conf.txpower_type)
2543 update_txp_type = true;
2544 sdata->vif.bss_conf.txpower_type = txp_type;
2546 list_for_each_entry(sdata, &local->interfaces, list) {
2547 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2549 ieee80211_recalc_txpower(sdata, update_txp_type);
2551 mutex_unlock(&local->iflist_mtx);
2554 sdata = rtnl_dereference(local->monitor_sdata);
2556 sdata->user_power_level = local->user_power_level;
2557 if (txp_type != sdata->vif.bss_conf.txpower_type)
2558 update_txp_type = true;
2559 sdata->vif.bss_conf.txpower_type = txp_type;
2561 ieee80211_recalc_txpower(sdata, update_txp_type);
2568 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2569 struct wireless_dev *wdev,
2572 struct ieee80211_local *local = wiphy_priv(wiphy);
2573 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2575 if (local->ops->get_txpower)
2576 return drv_get_txpower(local, sdata, dbm);
2578 if (!local->use_chanctx)
2579 *dbm = local->hw.conf.power_level;
2581 *dbm = sdata->vif.bss_conf.txpower;
2586 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2589 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2591 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2596 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2598 struct ieee80211_local *local = wiphy_priv(wiphy);
2600 drv_rfkill_poll(local);
2603 #ifdef CONFIG_NL80211_TESTMODE
2604 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2605 struct wireless_dev *wdev,
2606 void *data, int len)
2608 struct ieee80211_local *local = wiphy_priv(wiphy);
2609 struct ieee80211_vif *vif = NULL;
2611 if (!local->ops->testmode_cmd)
2615 struct ieee80211_sub_if_data *sdata;
2617 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2618 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2622 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2625 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2626 struct sk_buff *skb,
2627 struct netlink_callback *cb,
2628 void *data, int len)
2630 struct ieee80211_local *local = wiphy_priv(wiphy);
2632 if (!local->ops->testmode_dump)
2635 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2639 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2640 enum ieee80211_smps_mode smps_mode)
2642 struct sta_info *sta;
2643 enum ieee80211_smps_mode old_req;
2645 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2648 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2651 old_req = sdata->u.ap.req_smps;
2652 sdata->u.ap.req_smps = smps_mode;
2654 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2655 if (old_req == smps_mode ||
2656 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2660 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2661 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2663 mutex_lock(&sdata->local->sta_mtx);
2664 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2666 * Only stations associated to our AP and
2669 if (sta->sdata->bss != &sdata->u.ap)
2672 /* This station doesn't support MIMO - skip it */
2673 if (sta_info_tx_streams(sta) == 1)
2677 * Don't wake up a STA just to send the action frame
2678 * unless we are getting more restrictive.
2680 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2681 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2683 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2689 * If the STA is not authorized, wait until it gets
2690 * authorized and the action frame will be sent then.
2692 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2695 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2696 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2697 sdata->vif.bss_conf.bssid);
2699 mutex_unlock(&sdata->local->sta_mtx);
2701 sdata->smps_mode = smps_mode;
2702 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2707 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2708 enum ieee80211_smps_mode smps_mode)
2711 enum ieee80211_smps_mode old_req;
2713 struct sta_info *sta;
2714 bool tdls_peer_found = false;
2716 lockdep_assert_held(&sdata->wdev.mtx);
2718 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2721 old_req = sdata->u.mgd.req_smps;
2722 sdata->u.mgd.req_smps = smps_mode;
2724 if (old_req == smps_mode &&
2725 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2729 * If not associated, or current association is not an HT
2730 * association, there's no need to do anything, just store
2731 * the new value until we associate.
2733 if (!sdata->u.mgd.associated ||
2734 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2737 ap = sdata->u.mgd.associated->bssid;
2740 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2741 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2742 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2745 tdls_peer_found = true;
2750 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2751 if (tdls_peer_found || !sdata->u.mgd.powersave)
2752 smps_mode = IEEE80211_SMPS_OFF;
2754 smps_mode = IEEE80211_SMPS_DYNAMIC;
2757 /* send SM PS frame to AP */
2758 err = ieee80211_send_smps_action(sdata, smps_mode,
2761 sdata->u.mgd.req_smps = old_req;
2762 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2763 ieee80211_teardown_tdls_peers(sdata);
2768 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2769 bool enabled, int timeout)
2771 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2772 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2774 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2777 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2780 if (enabled == sdata->u.mgd.powersave &&
2781 timeout == local->dynamic_ps_forced_timeout)
2784 sdata->u.mgd.powersave = enabled;
2785 local->dynamic_ps_forced_timeout = timeout;
2787 /* no change, but if automatic follow powersave */
2789 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2790 sdata_unlock(sdata);
2792 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2793 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2795 ieee80211_recalc_ps(local);
2796 ieee80211_recalc_ps_vif(sdata);
2797 ieee80211_check_fast_rx_iface(sdata);
2802 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2803 struct net_device *dev,
2804 s32 rssi_thold, u32 rssi_hyst)
2806 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2807 struct ieee80211_vif *vif = &sdata->vif;
2808 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2810 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2811 rssi_hyst == bss_conf->cqm_rssi_hyst)
2814 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2815 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2818 bss_conf->cqm_rssi_thold = rssi_thold;
2819 bss_conf->cqm_rssi_hyst = rssi_hyst;
2820 bss_conf->cqm_rssi_low = 0;
2821 bss_conf->cqm_rssi_high = 0;
2822 sdata->u.mgd.last_cqm_event_signal = 0;
2824 /* tell the driver upon association, unless already associated */
2825 if (sdata->u.mgd.associated &&
2826 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2827 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2832 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2833 struct net_device *dev,
2834 s32 rssi_low, s32 rssi_high)
2836 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2837 struct ieee80211_vif *vif = &sdata->vif;
2838 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2840 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2843 bss_conf->cqm_rssi_low = rssi_low;
2844 bss_conf->cqm_rssi_high = rssi_high;
2845 bss_conf->cqm_rssi_thold = 0;
2846 bss_conf->cqm_rssi_hyst = 0;
2847 sdata->u.mgd.last_cqm_event_signal = 0;
2849 /* tell the driver upon association, unless already associated */
2850 if (sdata->u.mgd.associated &&
2851 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2852 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2857 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2858 struct net_device *dev,
2860 const struct cfg80211_bitrate_mask *mask)
2862 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2863 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2866 if (!ieee80211_sdata_running(sdata))
2870 * If active validate the setting and reject it if it doesn't leave
2871 * at least one basic rate usable, since we really have to be able
2872 * to send something, and if we're an AP we have to be able to do
2873 * so at a basic rate so that all clients can receive it.
2875 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2876 sdata->vif.bss_conf.chandef.chan) {
2877 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2878 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2880 if (!(mask->control[band].legacy & basic_rates))
2884 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2885 ret = drv_set_bitrate_mask(local, sdata, mask);
2890 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2891 struct ieee80211_supported_band *sband = wiphy->bands[i];
2894 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2895 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2896 sizeof(mask->control[i].ht_mcs));
2897 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2898 mask->control[i].vht_mcs,
2899 sizeof(mask->control[i].vht_mcs));
2901 sdata->rc_has_mcs_mask[i] = false;
2902 sdata->rc_has_vht_mcs_mask[i] = false;
2906 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2907 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2908 sdata->rc_has_mcs_mask[i] = true;
2913 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2914 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2915 sdata->rc_has_vht_mcs_mask[i] = true;
2924 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2925 struct net_device *dev,
2926 struct cfg80211_chan_def *chandef,
2929 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2930 struct ieee80211_local *local = sdata->local;
2933 mutex_lock(&local->mtx);
2934 if (!list_empty(&local->roc_list) || local->scanning) {
2939 /* whatever, but channel contexts should not complain about that one */
2940 sdata->smps_mode = IEEE80211_SMPS_OFF;
2941 sdata->needed_rx_chains = local->rx_chains;
2943 err = ieee80211_vif_use_channel(sdata, chandef,
2944 IEEE80211_CHANCTX_SHARED);
2948 ieee80211_queue_delayed_work(&sdata->local->hw,
2949 &sdata->dfs_cac_timer_work,
2950 msecs_to_jiffies(cac_time_ms));
2953 mutex_unlock(&local->mtx);
2957 static struct cfg80211_beacon_data *
2958 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2960 struct cfg80211_beacon_data *new_beacon;
2964 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2965 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2966 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
2968 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2972 pos = (u8 *)(new_beacon + 1);
2973 if (beacon->head_len) {
2974 new_beacon->head_len = beacon->head_len;
2975 new_beacon->head = pos;
2976 memcpy(pos, beacon->head, beacon->head_len);
2977 pos += beacon->head_len;
2979 if (beacon->tail_len) {
2980 new_beacon->tail_len = beacon->tail_len;
2981 new_beacon->tail = pos;
2982 memcpy(pos, beacon->tail, beacon->tail_len);
2983 pos += beacon->tail_len;
2985 if (beacon->beacon_ies_len) {
2986 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2987 new_beacon->beacon_ies = pos;
2988 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2989 pos += beacon->beacon_ies_len;
2991 if (beacon->proberesp_ies_len) {
2992 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2993 new_beacon->proberesp_ies = pos;
2994 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2995 pos += beacon->proberesp_ies_len;
2997 if (beacon->assocresp_ies_len) {
2998 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2999 new_beacon->assocresp_ies = pos;
3000 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3001 pos += beacon->assocresp_ies_len;
3003 if (beacon->probe_resp_len) {
3004 new_beacon->probe_resp_len = beacon->probe_resp_len;
3005 new_beacon->probe_resp = pos;
3006 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3007 pos += beacon->probe_resp_len;
3010 /* might copy -1, meaning no changes requested */
3011 new_beacon->ftm_responder = beacon->ftm_responder;
3013 new_beacon->lci_len = beacon->lci_len;
3014 new_beacon->lci = pos;
3015 memcpy(pos, beacon->lci, beacon->lci_len);
3016 pos += beacon->lci_len;
3018 if (beacon->civicloc) {
3019 new_beacon->civicloc_len = beacon->civicloc_len;
3020 new_beacon->civicloc = pos;
3021 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3022 pos += beacon->civicloc_len;
3028 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3030 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3032 ieee80211_queue_work(&sdata->local->hw,
3033 &sdata->csa_finalize_work);
3035 EXPORT_SYMBOL(ieee80211_csa_finish);
3037 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3042 switch (sdata->vif.type) {
3043 case NL80211_IFTYPE_AP:
3044 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3046 kfree(sdata->u.ap.next_beacon);
3047 sdata->u.ap.next_beacon = NULL;
3053 case NL80211_IFTYPE_ADHOC:
3054 err = ieee80211_ibss_finish_csa(sdata);
3059 #ifdef CONFIG_MAC80211_MESH
3060 case NL80211_IFTYPE_MESH_POINT:
3061 err = ieee80211_mesh_finish_csa(sdata);
3075 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3077 struct ieee80211_local *local = sdata->local;
3081 sdata_assert_lock(sdata);
3082 lockdep_assert_held(&local->mtx);
3083 lockdep_assert_held(&local->chanctx_mtx);
3086 * using reservation isn't immediate as it may be deferred until later
3087 * with multi-vif. once reservation is complete it will re-schedule the
3088 * work with no reserved_chanctx so verify chandef to check if it
3089 * completed successfully
3092 if (sdata->reserved_chanctx) {
3094 * with multi-vif csa driver may call ieee80211_csa_finish()
3095 * many times while waiting for other interfaces to use their
3098 if (sdata->reserved_ready)
3101 return ieee80211_vif_use_reserved_context(sdata);
3104 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3105 &sdata->csa_chandef))
3108 sdata->vif.csa_active = false;
3110 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3114 ieee80211_bss_info_change_notify(sdata, changed);
3116 if (sdata->csa_block_tx) {
3117 ieee80211_wake_vif_queues(local, sdata,
3118 IEEE80211_QUEUE_STOP_REASON_CSA);
3119 sdata->csa_block_tx = false;
3122 err = drv_post_channel_switch(sdata);
3126 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3131 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3133 if (__ieee80211_csa_finalize(sdata)) {
3134 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3135 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3140 void ieee80211_csa_finalize_work(struct work_struct *work)
3142 struct ieee80211_sub_if_data *sdata =
3143 container_of(work, struct ieee80211_sub_if_data,
3145 struct ieee80211_local *local = sdata->local;
3148 mutex_lock(&local->mtx);
3149 mutex_lock(&local->chanctx_mtx);
3151 /* AP might have been stopped while waiting for the lock. */
3152 if (!sdata->vif.csa_active)
3155 if (!ieee80211_sdata_running(sdata))
3158 ieee80211_csa_finalize(sdata);
3161 mutex_unlock(&local->chanctx_mtx);
3162 mutex_unlock(&local->mtx);
3163 sdata_unlock(sdata);
3166 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3167 struct cfg80211_csa_settings *params,
3170 struct ieee80211_csa_settings csa = {};
3173 switch (sdata->vif.type) {
3174 case NL80211_IFTYPE_AP:
3175 sdata->u.ap.next_beacon =
3176 cfg80211_beacon_dup(¶ms->beacon_after);
3177 if (!sdata->u.ap.next_beacon)
3181 * With a count of 0, we don't have to wait for any
3182 * TBTT before switching, so complete the CSA
3183 * immediately. In theory, with a count == 1 we
3184 * should delay the switch until just before the next
3185 * TBTT, but that would complicate things so we switch
3186 * immediately too. If we would delay the switch
3187 * until the next TBTT, we would have to set the probe
3190 * TODO: A channel switch with count <= 1 without
3191 * sending a CSA action frame is kind of useless,
3192 * because the clients won't know we're changing
3193 * channels. The action frame must be implemented
3194 * either here or in the userspace.
3196 if (params->count <= 1)
3199 if ((params->n_counter_offsets_beacon >
3200 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3201 (params->n_counter_offsets_presp >
3202 IEEE80211_MAX_CSA_COUNTERS_NUM))
3205 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3206 csa.counter_offsets_presp = params->counter_offsets_presp;
3207 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3208 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3209 csa.count = params->count;
3211 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3213 kfree(sdata->u.ap.next_beacon);
3219 case NL80211_IFTYPE_ADHOC:
3220 if (!sdata->vif.bss_conf.ibss_joined)
3223 if (params->chandef.width != sdata->u.ibss.chandef.width)
3226 switch (params->chandef.width) {
3227 case NL80211_CHAN_WIDTH_40:
3228 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3229 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3231 case NL80211_CHAN_WIDTH_5:
3232 case NL80211_CHAN_WIDTH_10:
3233 case NL80211_CHAN_WIDTH_20_NOHT:
3234 case NL80211_CHAN_WIDTH_20:
3240 /* changes into another band are not supported */
3241 if (sdata->u.ibss.chandef.chan->band !=
3242 params->chandef.chan->band)
3245 /* see comments in the NL80211_IFTYPE_AP block */
3246 if (params->count > 1) {
3247 err = ieee80211_ibss_csa_beacon(sdata, params);
3253 ieee80211_send_action_csa(sdata, params);
3256 #ifdef CONFIG_MAC80211_MESH
3257 case NL80211_IFTYPE_MESH_POINT: {
3258 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3260 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3263 /* changes into another band are not supported */
3264 if (sdata->vif.bss_conf.chandef.chan->band !=
3265 params->chandef.chan->band)
3268 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3269 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3270 if (!ifmsh->pre_value)
3271 ifmsh->pre_value = 1;
3276 /* see comments in the NL80211_IFTYPE_AP block */
3277 if (params->count > 1) {
3278 err = ieee80211_mesh_csa_beacon(sdata, params);
3280 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3286 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3287 ieee80211_send_action_csa(sdata, params);
3300 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3301 struct cfg80211_csa_settings *params)
3303 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3304 struct ieee80211_local *local = sdata->local;
3305 struct ieee80211_channel_switch ch_switch;
3306 struct ieee80211_chanctx_conf *conf;
3307 struct ieee80211_chanctx *chanctx;
3311 sdata_assert_lock(sdata);
3312 lockdep_assert_held(&local->mtx);
3314 if (!list_empty(&local->roc_list) || local->scanning)
3317 if (sdata->wdev.cac_started)
3320 if (cfg80211_chandef_identical(¶ms->chandef,
3321 &sdata->vif.bss_conf.chandef))
3324 /* don't allow another channel switch if one is already active. */
3325 if (sdata->vif.csa_active)
3328 mutex_lock(&local->chanctx_mtx);
3329 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3330 lockdep_is_held(&local->chanctx_mtx));
3336 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3338 ch_switch.timestamp = 0;
3339 ch_switch.device_timestamp = 0;
3340 ch_switch.block_tx = params->block_tx;
3341 ch_switch.chandef = params->chandef;
3342 ch_switch.count = params->count;
3344 err = drv_pre_channel_switch(sdata, &ch_switch);
3348 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3350 params->radar_required);
3354 /* if reservation is invalid then this will fail */
3355 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3357 ieee80211_vif_unreserve_chanctx(sdata);
3361 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3363 ieee80211_vif_unreserve_chanctx(sdata);
3367 sdata->csa_chandef = params->chandef;
3368 sdata->csa_block_tx = params->block_tx;
3369 sdata->vif.csa_active = true;
3371 if (sdata->csa_block_tx)
3372 ieee80211_stop_vif_queues(local, sdata,
3373 IEEE80211_QUEUE_STOP_REASON_CSA);
3375 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3379 ieee80211_bss_info_change_notify(sdata, changed);
3380 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3382 /* if the beacon didn't change, we can finalize immediately */
3383 ieee80211_csa_finalize(sdata);
3387 mutex_unlock(&local->chanctx_mtx);
3391 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3392 struct cfg80211_csa_settings *params)
3394 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3395 struct ieee80211_local *local = sdata->local;
3398 mutex_lock(&local->mtx);
3399 err = __ieee80211_channel_switch(wiphy, dev, params);
3400 mutex_unlock(&local->mtx);
3405 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3407 lockdep_assert_held(&local->mtx);
3409 local->roc_cookie_counter++;
3411 /* wow, you wrapped 64 bits ... more likely a bug */
3412 if (WARN_ON(local->roc_cookie_counter == 0))
3413 local->roc_cookie_counter++;
3415 return local->roc_cookie_counter;
3418 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3419 u64 *cookie, gfp_t gfp)
3421 unsigned long spin_flags;
3422 struct sk_buff *ack_skb;
3425 ack_skb = skb_copy(skb, gfp);
3429 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3430 id = idr_alloc(&local->ack_status_frames, ack_skb,
3431 1, 0x10000, GFP_ATOMIC);
3432 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3439 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3441 *cookie = ieee80211_mgmt_tx_cookie(local);
3442 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3447 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3448 struct wireless_dev *wdev,
3449 u16 frame_type, bool reg)
3451 struct ieee80211_local *local = wiphy_priv(wiphy);
3452 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3454 switch (frame_type) {
3455 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3457 local->probe_req_reg++;
3458 sdata->vif.probe_req_reg++;
3460 if (local->probe_req_reg)
3461 local->probe_req_reg--;
3463 if (sdata->vif.probe_req_reg)
3464 sdata->vif.probe_req_reg--;
3467 if (!local->open_count)
3470 if (sdata->vif.probe_req_reg == 1)
3471 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3473 else if (sdata->vif.probe_req_reg == 0)
3474 drv_config_iface_filter(local, sdata, 0,
3477 ieee80211_configure_filter(local);
3484 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3486 struct ieee80211_local *local = wiphy_priv(wiphy);
3491 return drv_set_antenna(local, tx_ant, rx_ant);
3494 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3496 struct ieee80211_local *local = wiphy_priv(wiphy);
3498 return drv_get_antenna(local, tx_ant, rx_ant);
3501 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3502 struct net_device *dev,
3503 struct cfg80211_gtk_rekey_data *data)
3505 struct ieee80211_local *local = wiphy_priv(wiphy);
3506 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3508 if (!local->ops->set_rekey_data)
3511 drv_set_rekey_data(local, sdata, data);
3516 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3517 const u8 *peer, u64 *cookie)
3519 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3520 struct ieee80211_local *local = sdata->local;
3521 struct ieee80211_qos_hdr *nullfunc;
3522 struct sk_buff *skb;
3523 int size = sizeof(*nullfunc);
3526 struct ieee80211_tx_info *info;
3527 struct sta_info *sta;
3528 struct ieee80211_chanctx_conf *chanctx_conf;
3529 enum nl80211_band band;
3532 /* the lock is needed to assign the cookie later */
3533 mutex_lock(&local->mtx);
3536 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3537 if (WARN_ON(!chanctx_conf)) {
3541 band = chanctx_conf->def.chan->band;
3542 sta = sta_info_get_bss(sdata, peer);
3551 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3552 IEEE80211_STYPE_QOS_NULLFUNC |
3553 IEEE80211_FCTL_FROMDS);
3556 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3557 IEEE80211_STYPE_NULLFUNC |
3558 IEEE80211_FCTL_FROMDS);
3561 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3569 skb_reserve(skb, local->hw.extra_tx_headroom);
3571 nullfunc = skb_put(skb, size);
3572 nullfunc->frame_control = fc;
3573 nullfunc->duration_id = 0;
3574 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3575 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3576 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3577 nullfunc->seq_ctrl = 0;
3579 info = IEEE80211_SKB_CB(skb);
3581 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3582 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3585 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3588 nullfunc->qos_ctrl = cpu_to_le16(7);
3590 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3597 ieee80211_xmit(sdata, sta, skb, 0);
3603 mutex_unlock(&local->mtx);
3608 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3609 struct wireless_dev *wdev,
3610 struct cfg80211_chan_def *chandef)
3612 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3613 struct ieee80211_local *local = wiphy_priv(wiphy);
3614 struct ieee80211_chanctx_conf *chanctx_conf;
3618 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3620 *chandef = sdata->vif.bss_conf.chandef;
3622 } else if (local->open_count > 0 &&
3623 local->open_count == local->monitors &&
3624 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3625 if (local->use_chanctx)
3626 *chandef = local->monitor_chandef;
3628 *chandef = local->_oper_chandef;
3637 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3639 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3643 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3644 struct net_device *dev,
3645 struct cfg80211_qos_map *qos_map)
3647 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3648 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3651 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3654 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3656 /* A NULL qos_map was passed to disable QoS mapping */
3660 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3661 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3663 kfree_rcu(old_qos_map, rcu_head);
3668 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3669 struct net_device *dev,
3670 struct cfg80211_chan_def *chandef)
3672 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3676 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3678 ieee80211_bss_info_change_notify(sdata, changed);
3683 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3684 u8 tsid, const u8 *peer, u8 up,
3687 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3688 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3689 int ac = ieee802_1d_to_ac[up];
3691 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3694 if (!(sdata->wmm_acm & BIT(up)))
3697 if (ifmgd->tx_tspec[ac].admitted_time)
3700 if (admitted_time) {
3701 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3702 ifmgd->tx_tspec[ac].tsid = tsid;
3703 ifmgd->tx_tspec[ac].up = up;
3709 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3710 u8 tsid, const u8 *peer)
3712 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3713 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3714 struct ieee80211_local *local = wiphy_priv(wiphy);
3717 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3718 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3720 /* skip unused entries */
3721 if (!tx_tspec->admitted_time)
3724 if (tx_tspec->tsid != tsid)
3727 /* due to this new packets will be reassigned to non-ACM ACs */
3730 /* Make sure that all packets have been sent to avoid to
3731 * restore the QoS params on packets that are still on the
3735 ieee80211_flush_queues(local, sdata, false);
3737 /* restore the normal QoS parameters
3738 * (unconditionally to avoid races)
3740 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3741 tx_tspec->downgraded = false;
3742 ieee80211_sta_handle_tspec_ac_params(sdata);
3744 /* finally clear all the data */
3745 memset(tx_tspec, 0, sizeof(*tx_tspec));
3753 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3755 enum nl80211_nan_func_term_reason reason,
3758 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3759 struct cfg80211_nan_func *func;
3762 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3765 spin_lock_bh(&sdata->u.nan.func_lock);
3767 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3768 if (WARN_ON(!func)) {
3769 spin_unlock_bh(&sdata->u.nan.func_lock);
3773 cookie = func->cookie;
3774 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3776 spin_unlock_bh(&sdata->u.nan.func_lock);
3778 cfg80211_free_nan_func(func);
3780 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3781 reason, cookie, gfp);
3783 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3785 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3786 struct cfg80211_nan_match_params *match,
3789 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3790 struct cfg80211_nan_func *func;
3792 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3795 spin_lock_bh(&sdata->u.nan.func_lock);
3797 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3798 if (WARN_ON(!func)) {
3799 spin_unlock_bh(&sdata->u.nan.func_lock);
3802 match->cookie = func->cookie;
3804 spin_unlock_bh(&sdata->u.nan.func_lock);
3806 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3808 EXPORT_SYMBOL(ieee80211_nan_func_match);
3810 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3811 struct net_device *dev,
3814 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3816 sdata->u.ap.multicast_to_unicast = enabled;
3821 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3822 struct txq_info *txqi)
3824 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3825 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3826 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3829 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3830 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3831 txqstats->backlog_packets = txqi->tin.backlog_packets;
3834 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3835 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3836 txqstats->flows = txqi->tin.flows;
3839 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3840 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3841 txqstats->drops = txqi->cstats.drop_count;
3844 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3845 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3846 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3849 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3850 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3851 txqstats->overlimit = txqi->tin.overlimit;
3854 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3855 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3856 txqstats->collisions = txqi->tin.collisions;
3859 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3860 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3861 txqstats->tx_bytes = txqi->tin.tx_bytes;
3864 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3865 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3866 txqstats->tx_packets = txqi->tin.tx_packets;
3870 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3871 struct wireless_dev *wdev,
3872 struct cfg80211_txq_stats *txqstats)
3874 struct ieee80211_local *local = wiphy_priv(wiphy);
3875 struct ieee80211_sub_if_data *sdata;
3878 if (!local->ops->wake_tx_queue)
3881 spin_lock_bh(&local->fq.lock);
3885 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3886 if (!sdata->vif.txq) {
3890 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3893 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3894 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3895 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3896 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3897 BIT(NL80211_TXQ_STATS_COLLISIONS) |
3898 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3899 txqstats->backlog_packets = local->fq.backlog;
3900 txqstats->backlog_bytes = local->fq.memory_usage;
3901 txqstats->overlimit = local->fq.overlimit;
3902 txqstats->overmemory = local->fq.overmemory;
3903 txqstats->collisions = local->fq.collisions;
3904 txqstats->max_flows = local->fq.flows_cnt;
3909 spin_unlock_bh(&local->fq.lock);
3915 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3916 struct net_device *dev,
3917 struct cfg80211_ftm_responder_stats *ftm_stats)
3919 struct ieee80211_local *local = wiphy_priv(wiphy);
3920 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3922 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
3926 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3927 struct cfg80211_pmsr_request *request)
3929 struct ieee80211_local *local = wiphy_priv(wiphy);
3930 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3932 return drv_start_pmsr(local, sdata, request);
3936 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3937 struct cfg80211_pmsr_request *request)
3939 struct ieee80211_local *local = wiphy_priv(wiphy);
3940 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3942 return drv_abort_pmsr(local, sdata, request);
3945 const struct cfg80211_ops mac80211_config_ops = {
3946 .add_virtual_intf = ieee80211_add_iface,
3947 .del_virtual_intf = ieee80211_del_iface,
3948 .change_virtual_intf = ieee80211_change_iface,
3949 .start_p2p_device = ieee80211_start_p2p_device,
3950 .stop_p2p_device = ieee80211_stop_p2p_device,
3951 .add_key = ieee80211_add_key,
3952 .del_key = ieee80211_del_key,
3953 .get_key = ieee80211_get_key,
3954 .set_default_key = ieee80211_config_default_key,
3955 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3956 .start_ap = ieee80211_start_ap,
3957 .change_beacon = ieee80211_change_beacon,
3958 .stop_ap = ieee80211_stop_ap,
3959 .add_station = ieee80211_add_station,
3960 .del_station = ieee80211_del_station,
3961 .change_station = ieee80211_change_station,
3962 .get_station = ieee80211_get_station,
3963 .dump_station = ieee80211_dump_station,
3964 .dump_survey = ieee80211_dump_survey,
3965 #ifdef CONFIG_MAC80211_MESH
3966 .add_mpath = ieee80211_add_mpath,
3967 .del_mpath = ieee80211_del_mpath,
3968 .change_mpath = ieee80211_change_mpath,
3969 .get_mpath = ieee80211_get_mpath,
3970 .dump_mpath = ieee80211_dump_mpath,
3971 .get_mpp = ieee80211_get_mpp,
3972 .dump_mpp = ieee80211_dump_mpp,
3973 .update_mesh_config = ieee80211_update_mesh_config,
3974 .get_mesh_config = ieee80211_get_mesh_config,
3975 .join_mesh = ieee80211_join_mesh,
3976 .leave_mesh = ieee80211_leave_mesh,
3978 .join_ocb = ieee80211_join_ocb,
3979 .leave_ocb = ieee80211_leave_ocb,
3980 .change_bss = ieee80211_change_bss,
3981 .set_txq_params = ieee80211_set_txq_params,
3982 .set_monitor_channel = ieee80211_set_monitor_channel,
3983 .suspend = ieee80211_suspend,
3984 .resume = ieee80211_resume,
3985 .scan = ieee80211_scan,
3986 .abort_scan = ieee80211_abort_scan,
3987 .sched_scan_start = ieee80211_sched_scan_start,
3988 .sched_scan_stop = ieee80211_sched_scan_stop,
3989 .auth = ieee80211_auth,
3990 .assoc = ieee80211_assoc,
3991 .deauth = ieee80211_deauth,
3992 .disassoc = ieee80211_disassoc,
3993 .join_ibss = ieee80211_join_ibss,
3994 .leave_ibss = ieee80211_leave_ibss,
3995 .set_mcast_rate = ieee80211_set_mcast_rate,
3996 .set_wiphy_params = ieee80211_set_wiphy_params,
3997 .set_tx_power = ieee80211_set_tx_power,
3998 .get_tx_power = ieee80211_get_tx_power,
3999 .set_wds_peer = ieee80211_set_wds_peer,
4000 .rfkill_poll = ieee80211_rfkill_poll,
4001 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4002 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4003 .set_power_mgmt = ieee80211_set_power_mgmt,
4004 .set_bitrate_mask = ieee80211_set_bitrate_mask,
4005 .remain_on_channel = ieee80211_remain_on_channel,
4006 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4007 .mgmt_tx = ieee80211_mgmt_tx,
4008 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4009 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4010 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4011 .mgmt_frame_register = ieee80211_mgmt_frame_register,
4012 .set_antenna = ieee80211_set_antenna,
4013 .get_antenna = ieee80211_get_antenna,
4014 .set_rekey_data = ieee80211_set_rekey_data,
4015 .tdls_oper = ieee80211_tdls_oper,
4016 .tdls_mgmt = ieee80211_tdls_mgmt,
4017 .tdls_channel_switch = ieee80211_tdls_channel_switch,
4018 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4019 .probe_client = ieee80211_probe_client,
4020 .set_noack_map = ieee80211_set_noack_map,
4022 .set_wakeup = ieee80211_set_wakeup,
4024 .get_channel = ieee80211_cfg_get_channel,
4025 .start_radar_detection = ieee80211_start_radar_detection,
4026 .channel_switch = ieee80211_channel_switch,
4027 .set_qos_map = ieee80211_set_qos_map,
4028 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4029 .add_tx_ts = ieee80211_add_tx_ts,
4030 .del_tx_ts = ieee80211_del_tx_ts,
4031 .start_nan = ieee80211_start_nan,
4032 .stop_nan = ieee80211_stop_nan,
4033 .nan_change_conf = ieee80211_nan_change_conf,
4034 .add_nan_func = ieee80211_add_nan_func,
4035 .del_nan_func = ieee80211_del_nan_func,
4036 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4037 .tx_control_port = ieee80211_tx_control_port,
4038 .get_txq_stats = ieee80211_get_txq_stats,
4039 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4040 .start_pmsr = ieee80211_start_pmsr,
4041 .abort_pmsr = ieee80211_abort_pmsr,
4042 .probe_mesh_link = ieee80211_probe_mesh_link,