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 |
987 old = sdata_dereference(sdata->u.ap.beacon, sdata);
991 switch (params->smps_mode) {
992 case NL80211_SMPS_OFF:
993 sdata->smps_mode = IEEE80211_SMPS_OFF;
995 case NL80211_SMPS_STATIC:
996 sdata->smps_mode = IEEE80211_SMPS_STATIC;
998 case NL80211_SMPS_DYNAMIC:
999 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
1004 sdata->u.ap.req_smps = sdata->smps_mode;
1006 sdata->needed_rx_chains = sdata->local->rx_chains;
1008 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1009 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1012 sdata->vif.bss_conf.he_support = true;
1014 mutex_lock(&local->mtx);
1015 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
1016 IEEE80211_CHANCTX_SHARED);
1018 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1019 mutex_unlock(&local->mtx);
1021 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1026 * Apply control port protocol, this allows us to
1027 * not encrypt dynamic WEP control frames.
1029 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1030 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1031 sdata->control_port_over_nl80211 =
1032 params->crypto.control_port_over_nl80211;
1033 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1037 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1038 vlan->control_port_protocol =
1039 params->crypto.control_port_ethertype;
1040 vlan->control_port_no_encrypt =
1041 params->crypto.control_port_no_encrypt;
1042 vlan->control_port_over_nl80211 =
1043 params->crypto.control_port_over_nl80211;
1044 vlan->encrypt_headroom =
1045 ieee80211_cs_headroom(sdata->local,
1050 sdata->vif.bss_conf.dtim_period = params->dtim_period;
1051 sdata->vif.bss_conf.enable_beacon = true;
1052 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1053 sdata->vif.bss_conf.twt_responder = params->twt_responder;
1055 sdata->vif.bss_conf.ssid_len = params->ssid_len;
1056 if (params->ssid_len)
1057 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1059 sdata->vif.bss_conf.hidden_ssid =
1060 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1062 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1063 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1064 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1065 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1066 if (params->p2p_opp_ps)
1067 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1068 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1070 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
1072 ieee80211_vif_release_channel(sdata);
1077 err = drv_start_ap(sdata->local, sdata);
1079 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1082 kfree_rcu(old, rcu_head);
1083 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1084 ieee80211_vif_release_channel(sdata);
1088 ieee80211_recalc_dtim(local, sdata);
1089 ieee80211_bss_info_change_notify(sdata, changed);
1091 netif_carrier_on(dev);
1092 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1093 netif_carrier_on(vlan->dev);
1098 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1099 struct cfg80211_beacon_data *params)
1101 struct ieee80211_sub_if_data *sdata;
1102 struct beacon_data *old;
1105 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1106 sdata_assert_lock(sdata);
1108 /* don't allow changing the beacon while CSA is in place - offset
1109 * of channel switch counter may change
1111 if (sdata->vif.csa_active)
1114 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1118 err = ieee80211_assign_beacon(sdata, params, NULL);
1121 ieee80211_bss_info_change_notify(sdata, err);
1125 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1127 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1128 struct ieee80211_sub_if_data *vlan;
1129 struct ieee80211_local *local = sdata->local;
1130 struct beacon_data *old_beacon;
1131 struct probe_resp *old_probe_resp;
1132 struct cfg80211_chan_def chandef;
1134 sdata_assert_lock(sdata);
1136 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1139 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1141 /* abort any running channel switch */
1142 mutex_lock(&local->mtx);
1143 sdata->vif.csa_active = false;
1144 if (sdata->csa_block_tx) {
1145 ieee80211_wake_vif_queues(local, sdata,
1146 IEEE80211_QUEUE_STOP_REASON_CSA);
1147 sdata->csa_block_tx = false;
1150 mutex_unlock(&local->mtx);
1152 kfree(sdata->u.ap.next_beacon);
1153 sdata->u.ap.next_beacon = NULL;
1155 /* turn off carrier for this interface and dependent VLANs */
1156 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1157 netif_carrier_off(vlan->dev);
1158 netif_carrier_off(dev);
1160 /* remove beacon and probe response */
1161 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1162 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1163 kfree_rcu(old_beacon, rcu_head);
1165 kfree_rcu(old_probe_resp, rcu_head);
1166 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
1168 kfree(sdata->vif.bss_conf.ftmr_params);
1169 sdata->vif.bss_conf.ftmr_params = NULL;
1171 __sta_info_flush(sdata, true);
1172 ieee80211_free_keys(sdata, true);
1174 sdata->vif.bss_conf.enable_beacon = false;
1175 sdata->vif.bss_conf.ssid_len = 0;
1176 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1177 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1179 if (sdata->wdev.cac_started) {
1180 chandef = sdata->vif.bss_conf.chandef;
1181 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1182 cfg80211_cac_event(sdata->dev, &chandef,
1183 NL80211_RADAR_CAC_ABORTED,
1187 drv_stop_ap(sdata->local, sdata);
1189 /* free all potentially still buffered bcast frames */
1190 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1191 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1193 mutex_lock(&local->mtx);
1194 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1195 ieee80211_vif_release_channel(sdata);
1196 mutex_unlock(&local->mtx);
1201 static int sta_apply_auth_flags(struct ieee80211_local *local,
1202 struct sta_info *sta,
1207 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1208 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1209 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1210 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1215 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1216 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1217 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1219 * When peer becomes associated, init rate control as
1220 * well. Some drivers require rate control initialized
1221 * before drv_sta_state() is called.
1223 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1224 rate_control_rate_init(sta);
1226 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1231 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1232 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1233 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1234 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1235 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1242 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1243 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1244 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1245 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1250 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1251 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1252 test_sta_flag(sta, WLAN_STA_AUTH)) {
1253 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1261 static void sta_apply_mesh_params(struct ieee80211_local *local,
1262 struct sta_info *sta,
1263 struct station_parameters *params)
1265 #ifdef CONFIG_MAC80211_MESH
1266 struct ieee80211_sub_if_data *sdata = sta->sdata;
1269 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1270 switch (params->plink_state) {
1271 case NL80211_PLINK_ESTAB:
1272 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1273 changed = mesh_plink_inc_estab_count(sdata);
1274 sta->mesh->plink_state = params->plink_state;
1275 sta->mesh->aid = params->peer_aid;
1277 ieee80211_mps_sta_status_update(sta);
1278 changed |= ieee80211_mps_set_sta_local_pm(sta,
1279 sdata->u.mesh.mshcfg.power_mode);
1281 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1282 /* init at low value */
1283 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1286 case NL80211_PLINK_LISTEN:
1287 case NL80211_PLINK_BLOCKED:
1288 case NL80211_PLINK_OPN_SNT:
1289 case NL80211_PLINK_OPN_RCVD:
1290 case NL80211_PLINK_CNF_RCVD:
1291 case NL80211_PLINK_HOLDING:
1292 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1293 changed = mesh_plink_dec_estab_count(sdata);
1294 sta->mesh->plink_state = params->plink_state;
1296 ieee80211_mps_sta_status_update(sta);
1297 changed |= ieee80211_mps_set_sta_local_pm(sta,
1298 NL80211_MESH_POWER_UNKNOWN);
1306 switch (params->plink_action) {
1307 case NL80211_PLINK_ACTION_NO_ACTION:
1310 case NL80211_PLINK_ACTION_OPEN:
1311 changed |= mesh_plink_open(sta);
1313 case NL80211_PLINK_ACTION_BLOCK:
1314 changed |= mesh_plink_block(sta);
1318 if (params->local_pm)
1319 changed |= ieee80211_mps_set_sta_local_pm(sta,
1322 ieee80211_mbss_info_change_notify(sdata, changed);
1326 static int sta_apply_parameters(struct ieee80211_local *local,
1327 struct sta_info *sta,
1328 struct station_parameters *params)
1331 struct ieee80211_supported_band *sband;
1332 struct ieee80211_sub_if_data *sdata = sta->sdata;
1335 sband = ieee80211_get_sband(sdata);
1339 mask = params->sta_flags_mask;
1340 set = params->sta_flags_set;
1342 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1344 * In mesh mode, ASSOCIATED isn't part of the nl80211
1345 * API but must follow AUTHENTICATED for driver state.
1347 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1348 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1349 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1350 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1351 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1353 * TDLS -- everything follows authorized, but
1354 * only becoming authorized is possible, not
1357 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1358 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1359 BIT(NL80211_STA_FLAG_ASSOCIATED);
1360 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1361 BIT(NL80211_STA_FLAG_ASSOCIATED);
1365 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1366 local->hw.queues >= IEEE80211_NUM_ACS)
1367 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1369 /* auth flags will be set later for TDLS,
1370 * and for unassociated stations that move to assocaited */
1371 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1372 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1373 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1374 ret = sta_apply_auth_flags(local, sta, mask, set);
1379 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1380 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1381 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1383 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1386 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1387 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1388 if (set & BIT(NL80211_STA_FLAG_MFP))
1389 set_sta_flag(sta, WLAN_STA_MFP);
1391 clear_sta_flag(sta, WLAN_STA_MFP);
1394 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1395 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1396 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1398 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1401 /* mark TDLS channel switch support, if the AP allows it */
1402 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1403 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1404 params->ext_capab_len >= 4 &&
1405 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1406 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1408 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1409 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1410 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1411 params->ext_capab_len >= 8 &&
1412 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1413 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1415 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1416 sta->sta.uapsd_queues = params->uapsd_queues;
1417 sta->sta.max_sp = params->max_sp;
1420 /* The sender might not have sent the last bit, consider it to be 0 */
1421 if (params->ext_capab_len >= 8) {
1422 u8 val = (params->ext_capab[7] &
1423 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1425 /* we did get all the bits, take the MSB as well */
1426 if (params->ext_capab_len >= 9) {
1427 u8 val_msb = params->ext_capab[8] &
1428 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1435 sta->sta.max_amsdu_subframes = 32;
1438 sta->sta.max_amsdu_subframes = 16;
1441 sta->sta.max_amsdu_subframes = 8;
1444 sta->sta.max_amsdu_subframes = 0;
1449 * cfg80211 validates this (1-2007) and allows setting the AID
1450 * only when creating a new station entry
1453 sta->sta.aid = params->aid;
1456 * Some of the following updates would be racy if called on an
1457 * existing station, via ieee80211_change_station(). However,
1458 * all such changes are rejected by cfg80211 except for updates
1459 * changing the supported rates on an existing but not yet used
1463 if (params->listen_interval >= 0)
1464 sta->listen_interval = params->listen_interval;
1466 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1467 sta->sta.txpwr.type = params->txpwr.type;
1468 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1469 sta->sta.txpwr.power = params->txpwr.power;
1470 ret = drv_sta_set_txpwr(local, sdata, sta);
1475 if (params->supported_rates && params->supported_rates_len) {
1476 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1477 sband, params->supported_rates,
1478 params->supported_rates_len,
1479 &sta->sta.supp_rates[sband->band]);
1482 if (params->ht_capa)
1483 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1484 params->ht_capa, sta);
1486 /* VHT can override some HT caps such as the A-MSDU max length */
1487 if (params->vht_capa)
1488 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1489 params->vht_capa, sta);
1491 if (params->he_capa)
1492 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1493 (void *)params->he_capa,
1494 params->he_capa_len, sta);
1496 if (params->opmode_notif_used) {
1497 /* returned value is only needed for rc update, but the
1498 * rc isn't initialized here yet, so ignore it
1500 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1504 if (params->support_p2p_ps >= 0)
1505 sta->sta.support_p2p_ps = params->support_p2p_ps;
1507 if (ieee80211_vif_is_mesh(&sdata->vif))
1508 sta_apply_mesh_params(local, sta, params);
1510 if (params->airtime_weight)
1511 sta->airtime_weight = params->airtime_weight;
1513 /* set the STA state after all sta info from usermode has been set */
1514 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1515 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1516 ret = sta_apply_auth_flags(local, sta, mask, set);
1524 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1526 struct station_parameters *params)
1528 struct ieee80211_local *local = wiphy_priv(wiphy);
1529 struct sta_info *sta;
1530 struct ieee80211_sub_if_data *sdata;
1535 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1537 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1538 sdata->vif.type != NL80211_IFTYPE_AP)
1541 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1543 if (ether_addr_equal(mac, sdata->vif.addr))
1546 if (is_multicast_ether_addr(mac))
1549 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1553 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1554 sta->sta.tdls = true;
1556 if (sta->sta.tdls && sdata->vif.type == NL80211_IFTYPE_STATION &&
1557 !sdata->u.mgd.associated)
1560 err = sta_apply_parameters(local, sta, params);
1562 sta_info_free(local, sta);
1567 * for TDLS and for unassociated station, rate control should be
1568 * initialized only when rates are known and station is marked
1569 * authorized/associated
1571 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1572 test_sta_flag(sta, WLAN_STA_ASSOC))
1573 rate_control_rate_init(sta);
1575 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1576 sdata->vif.type == NL80211_IFTYPE_AP;
1578 err = sta_info_insert_rcu(sta);
1585 cfg80211_send_layer2_update(sta->sdata->dev, sta->sta.addr);
1592 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1593 struct station_del_parameters *params)
1595 struct ieee80211_sub_if_data *sdata;
1597 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1600 return sta_info_destroy_addr_bss(sdata, params->mac);
1602 sta_info_flush(sdata);
1606 static int ieee80211_change_station(struct wiphy *wiphy,
1607 struct net_device *dev, const u8 *mac,
1608 struct station_parameters *params)
1610 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1611 struct ieee80211_local *local = wiphy_priv(wiphy);
1612 struct sta_info *sta;
1613 struct ieee80211_sub_if_data *vlansdata;
1614 enum cfg80211_station_type statype;
1617 mutex_lock(&local->sta_mtx);
1619 sta = sta_info_get_bss(sdata, mac);
1625 switch (sdata->vif.type) {
1626 case NL80211_IFTYPE_MESH_POINT:
1627 if (sdata->u.mesh.user_mpm)
1628 statype = CFG80211_STA_MESH_PEER_USER;
1630 statype = CFG80211_STA_MESH_PEER_KERNEL;
1632 case NL80211_IFTYPE_ADHOC:
1633 statype = CFG80211_STA_IBSS;
1635 case NL80211_IFTYPE_STATION:
1636 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1637 statype = CFG80211_STA_AP_STA;
1640 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1641 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1643 statype = CFG80211_STA_TDLS_PEER_SETUP;
1645 case NL80211_IFTYPE_AP:
1646 case NL80211_IFTYPE_AP_VLAN:
1647 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1648 statype = CFG80211_STA_AP_CLIENT;
1650 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1657 err = cfg80211_check_station_change(wiphy, params, statype);
1661 if (params->vlan && params->vlan != sta->sdata->dev) {
1662 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1664 if (params->vlan->ieee80211_ptr->use_4addr) {
1665 if (vlansdata->u.vlan.sta) {
1670 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1671 __ieee80211_check_fast_rx_iface(vlansdata);
1674 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1675 sta->sdata->u.vlan.sta)
1676 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1678 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1679 ieee80211_vif_dec_num_mcast(sta->sdata);
1681 sta->sdata = vlansdata;
1682 ieee80211_check_fast_xmit(sta);
1684 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1685 ieee80211_vif_inc_num_mcast(sta->sdata);
1687 cfg80211_send_layer2_update(sta->sdata->dev, sta->sta.addr);
1690 err = sta_apply_parameters(local, sta, params);
1694 mutex_unlock(&local->sta_mtx);
1696 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1697 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1698 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1699 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1700 sta_info_tx_streams(sta) != 1) {
1702 "%pM just authorized and MIMO capable - update SMPS\n",
1704 ieee80211_send_smps_action(sta->sdata,
1705 sta->sdata->bss->req_smps,
1707 sta->sdata->vif.bss_conf.bssid);
1710 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1711 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1712 ieee80211_recalc_ps(local);
1713 ieee80211_recalc_ps_vif(sdata);
1718 mutex_unlock(&local->sta_mtx);
1722 #ifdef CONFIG_MAC80211_MESH
1723 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1724 const u8 *dst, const u8 *next_hop)
1726 struct ieee80211_sub_if_data *sdata;
1727 struct mesh_path *mpath;
1728 struct sta_info *sta;
1730 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1733 sta = sta_info_get(sdata, next_hop);
1739 mpath = mesh_path_add(sdata, dst);
1740 if (IS_ERR(mpath)) {
1742 return PTR_ERR(mpath);
1745 mesh_path_fix_nexthop(mpath, sta);
1751 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1754 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1757 return mesh_path_del(sdata, dst);
1759 mesh_path_flush_by_iface(sdata);
1763 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1764 const u8 *dst, const u8 *next_hop)
1766 struct ieee80211_sub_if_data *sdata;
1767 struct mesh_path *mpath;
1768 struct sta_info *sta;
1770 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1774 sta = sta_info_get(sdata, next_hop);
1780 mpath = mesh_path_lookup(sdata, dst);
1786 mesh_path_fix_nexthop(mpath, sta);
1792 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1793 struct mpath_info *pinfo)
1795 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1798 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1800 eth_zero_addr(next_hop);
1802 memset(pinfo, 0, sizeof(*pinfo));
1804 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1806 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1809 MPATH_INFO_EXPTIME |
1810 MPATH_INFO_DISCOVERY_TIMEOUT |
1811 MPATH_INFO_DISCOVERY_RETRIES |
1813 MPATH_INFO_HOP_COUNT |
1814 MPATH_INFO_PATH_CHANGE;
1816 pinfo->frame_qlen = mpath->frame_queue.qlen;
1817 pinfo->sn = mpath->sn;
1818 pinfo->metric = mpath->metric;
1819 if (time_before(jiffies, mpath->exp_time))
1820 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1821 pinfo->discovery_timeout =
1822 jiffies_to_msecs(mpath->discovery_timeout);
1823 pinfo->discovery_retries = mpath->discovery_retries;
1824 if (mpath->flags & MESH_PATH_ACTIVE)
1825 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1826 if (mpath->flags & MESH_PATH_RESOLVING)
1827 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1828 if (mpath->flags & MESH_PATH_SN_VALID)
1829 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1830 if (mpath->flags & MESH_PATH_FIXED)
1831 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1832 if (mpath->flags & MESH_PATH_RESOLVED)
1833 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1834 pinfo->hop_count = mpath->hop_count;
1835 pinfo->path_change_count = mpath->path_change_count;
1838 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1839 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1842 struct ieee80211_sub_if_data *sdata;
1843 struct mesh_path *mpath;
1845 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1848 mpath = mesh_path_lookup(sdata, dst);
1853 memcpy(dst, mpath->dst, ETH_ALEN);
1854 mpath_set_pinfo(mpath, next_hop, pinfo);
1859 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1860 int idx, u8 *dst, u8 *next_hop,
1861 struct mpath_info *pinfo)
1863 struct ieee80211_sub_if_data *sdata;
1864 struct mesh_path *mpath;
1866 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1869 mpath = mesh_path_lookup_by_idx(sdata, idx);
1874 memcpy(dst, mpath->dst, ETH_ALEN);
1875 mpath_set_pinfo(mpath, next_hop, pinfo);
1880 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1881 struct mpath_info *pinfo)
1883 memset(pinfo, 0, sizeof(*pinfo));
1884 memcpy(mpp, mpath->mpp, ETH_ALEN);
1886 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1889 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1890 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1893 struct ieee80211_sub_if_data *sdata;
1894 struct mesh_path *mpath;
1896 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1899 mpath = mpp_path_lookup(sdata, dst);
1904 memcpy(dst, mpath->dst, ETH_ALEN);
1905 mpp_set_pinfo(mpath, mpp, pinfo);
1910 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1911 int idx, u8 *dst, u8 *mpp,
1912 struct mpath_info *pinfo)
1914 struct ieee80211_sub_if_data *sdata;
1915 struct mesh_path *mpath;
1917 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1920 mpath = mpp_path_lookup_by_idx(sdata, idx);
1925 memcpy(dst, mpath->dst, ETH_ALEN);
1926 mpp_set_pinfo(mpath, mpp, pinfo);
1931 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1932 struct net_device *dev,
1933 struct mesh_config *conf)
1935 struct ieee80211_sub_if_data *sdata;
1936 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1938 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1942 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1944 return (mask >> (parm-1)) & 0x1;
1947 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1948 const struct mesh_setup *setup)
1952 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1953 struct ieee80211_sub_if_data, u.mesh);
1955 /* allocate information elements */
1959 if (setup->ie_len) {
1960 new_ie = kmemdup(setup->ie, setup->ie_len,
1965 ifmsh->ie_len = setup->ie_len;
1969 /* now copy the rest of the setup parameters */
1970 ifmsh->mesh_id_len = setup->mesh_id_len;
1971 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1972 ifmsh->mesh_sp_id = setup->sync_method;
1973 ifmsh->mesh_pp_id = setup->path_sel_proto;
1974 ifmsh->mesh_pm_id = setup->path_metric;
1975 ifmsh->user_mpm = setup->user_mpm;
1976 ifmsh->mesh_auth_id = setup->auth_id;
1977 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1978 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1979 if (setup->is_authenticated)
1980 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1981 if (setup->is_secure)
1982 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1984 /* mcast rate setting in Mesh Node */
1985 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1986 sizeof(setup->mcast_rate));
1987 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1989 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1990 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1995 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1996 struct net_device *dev, u32 mask,
1997 const struct mesh_config *nconf)
1999 struct mesh_config *conf;
2000 struct ieee80211_sub_if_data *sdata;
2001 struct ieee80211_if_mesh *ifmsh;
2003 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2004 ifmsh = &sdata->u.mesh;
2006 /* Set the config options which we are interested in setting */
2007 conf = &(sdata->u.mesh.mshcfg);
2008 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2009 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2010 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2011 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2012 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2013 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2014 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2015 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2016 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2017 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2018 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2019 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2020 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2021 conf->element_ttl = nconf->element_ttl;
2022 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2023 if (ifmsh->user_mpm)
2025 conf->auto_open_plinks = nconf->auto_open_plinks;
2027 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2028 conf->dot11MeshNbrOffsetMaxNeighbor =
2029 nconf->dot11MeshNbrOffsetMaxNeighbor;
2030 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2031 conf->dot11MeshHWMPmaxPREQretries =
2032 nconf->dot11MeshHWMPmaxPREQretries;
2033 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2034 conf->path_refresh_time = nconf->path_refresh_time;
2035 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2036 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2037 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2038 conf->dot11MeshHWMPactivePathTimeout =
2039 nconf->dot11MeshHWMPactivePathTimeout;
2040 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2041 conf->dot11MeshHWMPpreqMinInterval =
2042 nconf->dot11MeshHWMPpreqMinInterval;
2043 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2044 conf->dot11MeshHWMPperrMinInterval =
2045 nconf->dot11MeshHWMPperrMinInterval;
2046 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2048 conf->dot11MeshHWMPnetDiameterTraversalTime =
2049 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2050 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2051 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2052 ieee80211_mesh_root_setup(ifmsh);
2054 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2055 /* our current gate announcement implementation rides on root
2056 * announcements, so require this ifmsh to also be a root node
2058 if (nconf->dot11MeshGateAnnouncementProtocol &&
2059 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2060 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2061 ieee80211_mesh_root_setup(ifmsh);
2063 conf->dot11MeshGateAnnouncementProtocol =
2064 nconf->dot11MeshGateAnnouncementProtocol;
2066 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2067 conf->dot11MeshHWMPRannInterval =
2068 nconf->dot11MeshHWMPRannInterval;
2069 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2070 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2071 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2072 /* our RSSI threshold implementation is supported only for
2073 * devices that report signal in dBm.
2075 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2077 conf->rssi_threshold = nconf->rssi_threshold;
2079 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2080 conf->ht_opmode = nconf->ht_opmode;
2081 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2082 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2084 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2085 conf->dot11MeshHWMPactivePathToRootTimeout =
2086 nconf->dot11MeshHWMPactivePathToRootTimeout;
2087 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2088 conf->dot11MeshHWMProotInterval =
2089 nconf->dot11MeshHWMProotInterval;
2090 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2091 conf->dot11MeshHWMPconfirmationInterval =
2092 nconf->dot11MeshHWMPconfirmationInterval;
2093 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2094 conf->power_mode = nconf->power_mode;
2095 ieee80211_mps_local_status_update(sdata);
2097 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2098 conf->dot11MeshAwakeWindowDuration =
2099 nconf->dot11MeshAwakeWindowDuration;
2100 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2101 conf->plink_timeout = nconf->plink_timeout;
2102 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2103 conf->dot11MeshConnectedToMeshGate =
2104 nconf->dot11MeshConnectedToMeshGate;
2105 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2109 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2110 const struct mesh_config *conf,
2111 const struct mesh_setup *setup)
2113 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2114 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2117 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2118 err = copy_mesh_setup(ifmsh, setup);
2122 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2124 /* can mesh use other SMPS modes? */
2125 sdata->smps_mode = IEEE80211_SMPS_OFF;
2126 sdata->needed_rx_chains = sdata->local->rx_chains;
2128 mutex_lock(&sdata->local->mtx);
2129 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2130 IEEE80211_CHANCTX_SHARED);
2131 mutex_unlock(&sdata->local->mtx);
2135 return ieee80211_start_mesh(sdata);
2138 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2140 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2142 ieee80211_stop_mesh(sdata);
2143 mutex_lock(&sdata->local->mtx);
2144 ieee80211_vif_release_channel(sdata);
2145 mutex_unlock(&sdata->local->mtx);
2151 static int ieee80211_change_bss(struct wiphy *wiphy,
2152 struct net_device *dev,
2153 struct bss_parameters *params)
2155 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2156 struct ieee80211_supported_band *sband;
2159 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2162 sband = ieee80211_get_sband(sdata);
2166 if (params->use_cts_prot >= 0) {
2167 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2168 changed |= BSS_CHANGED_ERP_CTS_PROT;
2170 if (params->use_short_preamble >= 0) {
2171 sdata->vif.bss_conf.use_short_preamble =
2172 params->use_short_preamble;
2173 changed |= BSS_CHANGED_ERP_PREAMBLE;
2176 if (!sdata->vif.bss_conf.use_short_slot &&
2177 sband->band == NL80211_BAND_5GHZ) {
2178 sdata->vif.bss_conf.use_short_slot = true;
2179 changed |= BSS_CHANGED_ERP_SLOT;
2182 if (params->use_short_slot_time >= 0) {
2183 sdata->vif.bss_conf.use_short_slot =
2184 params->use_short_slot_time;
2185 changed |= BSS_CHANGED_ERP_SLOT;
2188 if (params->basic_rates) {
2189 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2190 wiphy->bands[sband->band],
2191 params->basic_rates,
2192 params->basic_rates_len,
2193 &sdata->vif.bss_conf.basic_rates);
2194 changed |= BSS_CHANGED_BASIC_RATES;
2195 ieee80211_check_rate_mask(sdata);
2198 if (params->ap_isolate >= 0) {
2199 if (params->ap_isolate)
2200 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2202 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2203 ieee80211_check_fast_rx_iface(sdata);
2206 if (params->ht_opmode >= 0) {
2207 sdata->vif.bss_conf.ht_operation_mode =
2208 (u16) params->ht_opmode;
2209 changed |= BSS_CHANGED_HT;
2212 if (params->p2p_ctwindow >= 0) {
2213 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2214 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2215 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2216 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2217 changed |= BSS_CHANGED_P2P_PS;
2220 if (params->p2p_opp_ps > 0) {
2221 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2222 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2223 changed |= BSS_CHANGED_P2P_PS;
2224 } else if (params->p2p_opp_ps == 0) {
2225 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2226 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2227 changed |= BSS_CHANGED_P2P_PS;
2230 ieee80211_bss_info_change_notify(sdata, changed);
2235 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2236 struct net_device *dev,
2237 struct ieee80211_txq_params *params)
2239 struct ieee80211_local *local = wiphy_priv(wiphy);
2240 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2241 struct ieee80211_tx_queue_params p;
2243 if (!local->ops->conf_tx)
2246 if (local->hw.queues < IEEE80211_NUM_ACS)
2249 memset(&p, 0, sizeof(p));
2250 p.aifs = params->aifs;
2251 p.cw_max = params->cwmax;
2252 p.cw_min = params->cwmin;
2253 p.txop = params->txop;
2256 * Setting tx queue params disables u-apsd because it's only
2257 * called in master mode.
2261 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2263 sdata->tx_conf[params->ac] = p;
2264 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2265 wiphy_debug(local->hw.wiphy,
2266 "failed to set TX queue parameters for AC %d\n",
2271 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2277 static int ieee80211_suspend(struct wiphy *wiphy,
2278 struct cfg80211_wowlan *wowlan)
2280 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2283 static int ieee80211_resume(struct wiphy *wiphy)
2285 return __ieee80211_resume(wiphy_priv(wiphy));
2288 #define ieee80211_suspend NULL
2289 #define ieee80211_resume NULL
2292 static int ieee80211_scan(struct wiphy *wiphy,
2293 struct cfg80211_scan_request *req)
2295 struct ieee80211_sub_if_data *sdata;
2297 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2299 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2300 case NL80211_IFTYPE_STATION:
2301 case NL80211_IFTYPE_ADHOC:
2302 case NL80211_IFTYPE_MESH_POINT:
2303 case NL80211_IFTYPE_P2P_CLIENT:
2304 case NL80211_IFTYPE_P2P_DEVICE:
2306 case NL80211_IFTYPE_P2P_GO:
2307 if (sdata->local->ops->hw_scan)
2310 * FIXME: implement NoA while scanning in software,
2311 * for now fall through to allow scanning only when
2312 * beaconing hasn't been configured yet
2315 case NL80211_IFTYPE_AP:
2317 * If the scan has been forced (and the driver supports
2318 * forcing), don't care about being beaconing already.
2319 * This will create problems to the attached stations (e.g. all
2320 * the frames sent while scanning on other channel will be
2323 if (sdata->u.ap.beacon &&
2324 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2325 !(req->flags & NL80211_SCAN_FLAG_AP)))
2328 case NL80211_IFTYPE_NAN:
2333 return ieee80211_request_scan(sdata, req);
2336 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2338 ieee80211_scan_cancel(wiphy_priv(wiphy));
2342 ieee80211_sched_scan_start(struct wiphy *wiphy,
2343 struct net_device *dev,
2344 struct cfg80211_sched_scan_request *req)
2346 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2348 if (!sdata->local->ops->sched_scan_start)
2351 return ieee80211_request_sched_scan_start(sdata, req);
2355 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2358 struct ieee80211_local *local = wiphy_priv(wiphy);
2360 if (!local->ops->sched_scan_stop)
2363 return ieee80211_request_sched_scan_stop(local);
2366 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2367 struct cfg80211_auth_request *req)
2369 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2372 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2373 struct cfg80211_assoc_request *req)
2375 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2378 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2379 struct cfg80211_deauth_request *req)
2381 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2384 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2385 struct cfg80211_disassoc_request *req)
2387 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2390 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2391 struct cfg80211_ibss_params *params)
2393 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2396 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2398 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2401 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2402 struct ocb_setup *setup)
2404 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2407 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2409 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2412 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2413 int rate[NUM_NL80211_BANDS])
2415 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2417 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2418 sizeof(int) * NUM_NL80211_BANDS);
2420 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2425 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2427 struct ieee80211_local *local = wiphy_priv(wiphy);
2430 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2431 ieee80211_check_fast_xmit_all(local);
2433 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2436 ieee80211_check_fast_xmit_all(local);
2441 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2442 (changed & WIPHY_PARAM_DYN_ACK)) {
2445 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2446 wiphy->coverage_class : -1;
2447 err = drv_set_coverage_class(local, coverage_class);
2453 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2454 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2460 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2461 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2463 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2465 if (changed & WIPHY_PARAM_RETRY_LONG) {
2466 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2468 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2471 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2472 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2474 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2475 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2476 WIPHY_PARAM_TXQ_QUANTUM))
2477 ieee80211_txq_set_params(local);
2482 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2483 struct wireless_dev *wdev,
2484 enum nl80211_tx_power_setting type, int mbm)
2486 struct ieee80211_local *local = wiphy_priv(wiphy);
2487 struct ieee80211_sub_if_data *sdata;
2488 enum nl80211_tx_power_setting txp_type = type;
2489 bool update_txp_type = false;
2490 bool has_monitor = false;
2493 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2495 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2496 sdata = rtnl_dereference(local->monitor_sdata);
2502 case NL80211_TX_POWER_AUTOMATIC:
2503 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2504 txp_type = NL80211_TX_POWER_LIMITED;
2506 case NL80211_TX_POWER_LIMITED:
2507 case NL80211_TX_POWER_FIXED:
2508 if (mbm < 0 || (mbm % 100))
2510 sdata->user_power_level = MBM_TO_DBM(mbm);
2514 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2515 update_txp_type = true;
2516 sdata->vif.bss_conf.txpower_type = txp_type;
2519 ieee80211_recalc_txpower(sdata, update_txp_type);
2525 case NL80211_TX_POWER_AUTOMATIC:
2526 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2527 txp_type = NL80211_TX_POWER_LIMITED;
2529 case NL80211_TX_POWER_LIMITED:
2530 case NL80211_TX_POWER_FIXED:
2531 if (mbm < 0 || (mbm % 100))
2533 local->user_power_level = MBM_TO_DBM(mbm);
2537 mutex_lock(&local->iflist_mtx);
2538 list_for_each_entry(sdata, &local->interfaces, list) {
2539 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2543 sdata->user_power_level = local->user_power_level;
2544 if (txp_type != sdata->vif.bss_conf.txpower_type)
2545 update_txp_type = true;
2546 sdata->vif.bss_conf.txpower_type = txp_type;
2548 list_for_each_entry(sdata, &local->interfaces, list) {
2549 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2551 ieee80211_recalc_txpower(sdata, update_txp_type);
2553 mutex_unlock(&local->iflist_mtx);
2556 sdata = rtnl_dereference(local->monitor_sdata);
2558 sdata->user_power_level = local->user_power_level;
2559 if (txp_type != sdata->vif.bss_conf.txpower_type)
2560 update_txp_type = true;
2561 sdata->vif.bss_conf.txpower_type = txp_type;
2563 ieee80211_recalc_txpower(sdata, update_txp_type);
2570 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2571 struct wireless_dev *wdev,
2574 struct ieee80211_local *local = wiphy_priv(wiphy);
2575 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2577 if (local->ops->get_txpower)
2578 return drv_get_txpower(local, sdata, dbm);
2580 if (!local->use_chanctx)
2581 *dbm = local->hw.conf.power_level;
2583 *dbm = sdata->vif.bss_conf.txpower;
2588 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2591 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2593 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2598 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2600 struct ieee80211_local *local = wiphy_priv(wiphy);
2602 drv_rfkill_poll(local);
2605 #ifdef CONFIG_NL80211_TESTMODE
2606 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2607 struct wireless_dev *wdev,
2608 void *data, int len)
2610 struct ieee80211_local *local = wiphy_priv(wiphy);
2611 struct ieee80211_vif *vif = NULL;
2613 if (!local->ops->testmode_cmd)
2617 struct ieee80211_sub_if_data *sdata;
2619 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2620 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2624 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2627 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2628 struct sk_buff *skb,
2629 struct netlink_callback *cb,
2630 void *data, int len)
2632 struct ieee80211_local *local = wiphy_priv(wiphy);
2634 if (!local->ops->testmode_dump)
2637 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2641 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2642 enum ieee80211_smps_mode smps_mode)
2644 struct sta_info *sta;
2645 enum ieee80211_smps_mode old_req;
2647 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2650 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2653 old_req = sdata->u.ap.req_smps;
2654 sdata->u.ap.req_smps = smps_mode;
2656 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2657 if (old_req == smps_mode ||
2658 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2662 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2663 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2665 mutex_lock(&sdata->local->sta_mtx);
2666 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2668 * Only stations associated to our AP and
2671 if (sta->sdata->bss != &sdata->u.ap)
2674 /* This station doesn't support MIMO - skip it */
2675 if (sta_info_tx_streams(sta) == 1)
2679 * Don't wake up a STA just to send the action frame
2680 * unless we are getting more restrictive.
2682 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2683 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2685 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2691 * If the STA is not authorized, wait until it gets
2692 * authorized and the action frame will be sent then.
2694 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2697 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2698 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2699 sdata->vif.bss_conf.bssid);
2701 mutex_unlock(&sdata->local->sta_mtx);
2703 sdata->smps_mode = smps_mode;
2704 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2709 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2710 enum ieee80211_smps_mode smps_mode)
2713 enum ieee80211_smps_mode old_req;
2715 struct sta_info *sta;
2716 bool tdls_peer_found = false;
2718 lockdep_assert_held(&sdata->wdev.mtx);
2720 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2723 old_req = sdata->u.mgd.req_smps;
2724 sdata->u.mgd.req_smps = smps_mode;
2726 if (old_req == smps_mode &&
2727 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2731 * If not associated, or current association is not an HT
2732 * association, there's no need to do anything, just store
2733 * the new value until we associate.
2735 if (!sdata->u.mgd.associated ||
2736 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2739 ap = sdata->u.mgd.associated->bssid;
2742 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2743 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2744 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2747 tdls_peer_found = true;
2752 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2753 if (tdls_peer_found || !sdata->u.mgd.powersave)
2754 smps_mode = IEEE80211_SMPS_OFF;
2756 smps_mode = IEEE80211_SMPS_DYNAMIC;
2759 /* send SM PS frame to AP */
2760 err = ieee80211_send_smps_action(sdata, smps_mode,
2763 sdata->u.mgd.req_smps = old_req;
2764 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2765 ieee80211_teardown_tdls_peers(sdata);
2770 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2771 bool enabled, int timeout)
2773 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2774 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2776 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2779 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2782 if (enabled == sdata->u.mgd.powersave &&
2783 timeout == local->dynamic_ps_forced_timeout)
2786 sdata->u.mgd.powersave = enabled;
2787 local->dynamic_ps_forced_timeout = timeout;
2789 /* no change, but if automatic follow powersave */
2791 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2792 sdata_unlock(sdata);
2794 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2795 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2797 ieee80211_recalc_ps(local);
2798 ieee80211_recalc_ps_vif(sdata);
2799 ieee80211_check_fast_rx_iface(sdata);
2804 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2805 struct net_device *dev,
2806 s32 rssi_thold, u32 rssi_hyst)
2808 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2809 struct ieee80211_vif *vif = &sdata->vif;
2810 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2812 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2813 rssi_hyst == bss_conf->cqm_rssi_hyst)
2816 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2817 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2820 bss_conf->cqm_rssi_thold = rssi_thold;
2821 bss_conf->cqm_rssi_hyst = rssi_hyst;
2822 bss_conf->cqm_rssi_low = 0;
2823 bss_conf->cqm_rssi_high = 0;
2824 sdata->u.mgd.last_cqm_event_signal = 0;
2826 /* tell the driver upon association, unless already associated */
2827 if (sdata->u.mgd.associated &&
2828 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2829 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2834 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2835 struct net_device *dev,
2836 s32 rssi_low, s32 rssi_high)
2838 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2839 struct ieee80211_vif *vif = &sdata->vif;
2840 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2842 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2845 bss_conf->cqm_rssi_low = rssi_low;
2846 bss_conf->cqm_rssi_high = rssi_high;
2847 bss_conf->cqm_rssi_thold = 0;
2848 bss_conf->cqm_rssi_hyst = 0;
2849 sdata->u.mgd.last_cqm_event_signal = 0;
2851 /* tell the driver upon association, unless already associated */
2852 if (sdata->u.mgd.associated &&
2853 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2854 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2859 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2860 struct net_device *dev,
2862 const struct cfg80211_bitrate_mask *mask)
2864 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2865 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2868 if (!ieee80211_sdata_running(sdata))
2872 * If active validate the setting and reject it if it doesn't leave
2873 * at least one basic rate usable, since we really have to be able
2874 * to send something, and if we're an AP we have to be able to do
2875 * so at a basic rate so that all clients can receive it.
2877 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2878 sdata->vif.bss_conf.chandef.chan) {
2879 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2880 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2882 if (!(mask->control[band].legacy & basic_rates))
2886 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2887 ret = drv_set_bitrate_mask(local, sdata, mask);
2892 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2893 struct ieee80211_supported_band *sband = wiphy->bands[i];
2896 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2897 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2898 sizeof(mask->control[i].ht_mcs));
2899 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2900 mask->control[i].vht_mcs,
2901 sizeof(mask->control[i].vht_mcs));
2903 sdata->rc_has_mcs_mask[i] = false;
2904 sdata->rc_has_vht_mcs_mask[i] = false;
2908 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2909 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2910 sdata->rc_has_mcs_mask[i] = true;
2915 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2916 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2917 sdata->rc_has_vht_mcs_mask[i] = true;
2926 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2927 struct net_device *dev,
2928 struct cfg80211_chan_def *chandef,
2931 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2932 struct ieee80211_local *local = sdata->local;
2935 mutex_lock(&local->mtx);
2936 if (!list_empty(&local->roc_list) || local->scanning) {
2941 /* whatever, but channel contexts should not complain about that one */
2942 sdata->smps_mode = IEEE80211_SMPS_OFF;
2943 sdata->needed_rx_chains = local->rx_chains;
2945 err = ieee80211_vif_use_channel(sdata, chandef,
2946 IEEE80211_CHANCTX_SHARED);
2950 ieee80211_queue_delayed_work(&sdata->local->hw,
2951 &sdata->dfs_cac_timer_work,
2952 msecs_to_jiffies(cac_time_ms));
2955 mutex_unlock(&local->mtx);
2959 static struct cfg80211_beacon_data *
2960 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2962 struct cfg80211_beacon_data *new_beacon;
2966 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2967 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2968 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
2970 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2974 pos = (u8 *)(new_beacon + 1);
2975 if (beacon->head_len) {
2976 new_beacon->head_len = beacon->head_len;
2977 new_beacon->head = pos;
2978 memcpy(pos, beacon->head, beacon->head_len);
2979 pos += beacon->head_len;
2981 if (beacon->tail_len) {
2982 new_beacon->tail_len = beacon->tail_len;
2983 new_beacon->tail = pos;
2984 memcpy(pos, beacon->tail, beacon->tail_len);
2985 pos += beacon->tail_len;
2987 if (beacon->beacon_ies_len) {
2988 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2989 new_beacon->beacon_ies = pos;
2990 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2991 pos += beacon->beacon_ies_len;
2993 if (beacon->proberesp_ies_len) {
2994 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2995 new_beacon->proberesp_ies = pos;
2996 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2997 pos += beacon->proberesp_ies_len;
2999 if (beacon->assocresp_ies_len) {
3000 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3001 new_beacon->assocresp_ies = pos;
3002 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3003 pos += beacon->assocresp_ies_len;
3005 if (beacon->probe_resp_len) {
3006 new_beacon->probe_resp_len = beacon->probe_resp_len;
3007 new_beacon->probe_resp = pos;
3008 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3009 pos += beacon->probe_resp_len;
3012 /* might copy -1, meaning no changes requested */
3013 new_beacon->ftm_responder = beacon->ftm_responder;
3015 new_beacon->lci_len = beacon->lci_len;
3016 new_beacon->lci = pos;
3017 memcpy(pos, beacon->lci, beacon->lci_len);
3018 pos += beacon->lci_len;
3020 if (beacon->civicloc) {
3021 new_beacon->civicloc_len = beacon->civicloc_len;
3022 new_beacon->civicloc = pos;
3023 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3024 pos += beacon->civicloc_len;
3030 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3032 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3034 ieee80211_queue_work(&sdata->local->hw,
3035 &sdata->csa_finalize_work);
3037 EXPORT_SYMBOL(ieee80211_csa_finish);
3039 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3044 switch (sdata->vif.type) {
3045 case NL80211_IFTYPE_AP:
3046 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3048 kfree(sdata->u.ap.next_beacon);
3049 sdata->u.ap.next_beacon = NULL;
3055 case NL80211_IFTYPE_ADHOC:
3056 err = ieee80211_ibss_finish_csa(sdata);
3061 #ifdef CONFIG_MAC80211_MESH
3062 case NL80211_IFTYPE_MESH_POINT:
3063 err = ieee80211_mesh_finish_csa(sdata);
3077 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3079 struct ieee80211_local *local = sdata->local;
3083 sdata_assert_lock(sdata);
3084 lockdep_assert_held(&local->mtx);
3085 lockdep_assert_held(&local->chanctx_mtx);
3088 * using reservation isn't immediate as it may be deferred until later
3089 * with multi-vif. once reservation is complete it will re-schedule the
3090 * work with no reserved_chanctx so verify chandef to check if it
3091 * completed successfully
3094 if (sdata->reserved_chanctx) {
3096 * with multi-vif csa driver may call ieee80211_csa_finish()
3097 * many times while waiting for other interfaces to use their
3100 if (sdata->reserved_ready)
3103 return ieee80211_vif_use_reserved_context(sdata);
3106 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3107 &sdata->csa_chandef))
3110 sdata->vif.csa_active = false;
3112 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3116 ieee80211_bss_info_change_notify(sdata, changed);
3118 if (sdata->csa_block_tx) {
3119 ieee80211_wake_vif_queues(local, sdata,
3120 IEEE80211_QUEUE_STOP_REASON_CSA);
3121 sdata->csa_block_tx = false;
3124 err = drv_post_channel_switch(sdata);
3128 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3133 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3135 if (__ieee80211_csa_finalize(sdata)) {
3136 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3137 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3142 void ieee80211_csa_finalize_work(struct work_struct *work)
3144 struct ieee80211_sub_if_data *sdata =
3145 container_of(work, struct ieee80211_sub_if_data,
3147 struct ieee80211_local *local = sdata->local;
3150 mutex_lock(&local->mtx);
3151 mutex_lock(&local->chanctx_mtx);
3153 /* AP might have been stopped while waiting for the lock. */
3154 if (!sdata->vif.csa_active)
3157 if (!ieee80211_sdata_running(sdata))
3160 ieee80211_csa_finalize(sdata);
3163 mutex_unlock(&local->chanctx_mtx);
3164 mutex_unlock(&local->mtx);
3165 sdata_unlock(sdata);
3168 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3169 struct cfg80211_csa_settings *params,
3172 struct ieee80211_csa_settings csa = {};
3175 switch (sdata->vif.type) {
3176 case NL80211_IFTYPE_AP:
3177 sdata->u.ap.next_beacon =
3178 cfg80211_beacon_dup(¶ms->beacon_after);
3179 if (!sdata->u.ap.next_beacon)
3183 * With a count of 0, we don't have to wait for any
3184 * TBTT before switching, so complete the CSA
3185 * immediately. In theory, with a count == 1 we
3186 * should delay the switch until just before the next
3187 * TBTT, but that would complicate things so we switch
3188 * immediately too. If we would delay the switch
3189 * until the next TBTT, we would have to set the probe
3192 * TODO: A channel switch with count <= 1 without
3193 * sending a CSA action frame is kind of useless,
3194 * because the clients won't know we're changing
3195 * channels. The action frame must be implemented
3196 * either here or in the userspace.
3198 if (params->count <= 1)
3201 if ((params->n_counter_offsets_beacon >
3202 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3203 (params->n_counter_offsets_presp >
3204 IEEE80211_MAX_CSA_COUNTERS_NUM))
3207 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3208 csa.counter_offsets_presp = params->counter_offsets_presp;
3209 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3210 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3211 csa.count = params->count;
3213 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3215 kfree(sdata->u.ap.next_beacon);
3221 case NL80211_IFTYPE_ADHOC:
3222 if (!sdata->vif.bss_conf.ibss_joined)
3225 if (params->chandef.width != sdata->u.ibss.chandef.width)
3228 switch (params->chandef.width) {
3229 case NL80211_CHAN_WIDTH_40:
3230 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3231 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3233 case NL80211_CHAN_WIDTH_5:
3234 case NL80211_CHAN_WIDTH_10:
3235 case NL80211_CHAN_WIDTH_20_NOHT:
3236 case NL80211_CHAN_WIDTH_20:
3242 /* changes into another band are not supported */
3243 if (sdata->u.ibss.chandef.chan->band !=
3244 params->chandef.chan->band)
3247 /* see comments in the NL80211_IFTYPE_AP block */
3248 if (params->count > 1) {
3249 err = ieee80211_ibss_csa_beacon(sdata, params);
3255 ieee80211_send_action_csa(sdata, params);
3258 #ifdef CONFIG_MAC80211_MESH
3259 case NL80211_IFTYPE_MESH_POINT: {
3260 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3262 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3265 /* changes into another band are not supported */
3266 if (sdata->vif.bss_conf.chandef.chan->band !=
3267 params->chandef.chan->band)
3270 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3271 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3272 if (!ifmsh->pre_value)
3273 ifmsh->pre_value = 1;
3278 /* see comments in the NL80211_IFTYPE_AP block */
3279 if (params->count > 1) {
3280 err = ieee80211_mesh_csa_beacon(sdata, params);
3282 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3288 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3289 ieee80211_send_action_csa(sdata, params);
3302 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3303 struct cfg80211_csa_settings *params)
3305 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3306 struct ieee80211_local *local = sdata->local;
3307 struct ieee80211_channel_switch ch_switch;
3308 struct ieee80211_chanctx_conf *conf;
3309 struct ieee80211_chanctx *chanctx;
3313 sdata_assert_lock(sdata);
3314 lockdep_assert_held(&local->mtx);
3316 if (!list_empty(&local->roc_list) || local->scanning)
3319 if (sdata->wdev.cac_started)
3322 if (cfg80211_chandef_identical(¶ms->chandef,
3323 &sdata->vif.bss_conf.chandef))
3326 /* don't allow another channel switch if one is already active. */
3327 if (sdata->vif.csa_active)
3330 mutex_lock(&local->chanctx_mtx);
3331 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3332 lockdep_is_held(&local->chanctx_mtx));
3338 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3340 ch_switch.timestamp = 0;
3341 ch_switch.device_timestamp = 0;
3342 ch_switch.block_tx = params->block_tx;
3343 ch_switch.chandef = params->chandef;
3344 ch_switch.count = params->count;
3346 err = drv_pre_channel_switch(sdata, &ch_switch);
3350 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3352 params->radar_required);
3356 /* if reservation is invalid then this will fail */
3357 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3359 ieee80211_vif_unreserve_chanctx(sdata);
3363 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3365 ieee80211_vif_unreserve_chanctx(sdata);
3369 sdata->csa_chandef = params->chandef;
3370 sdata->csa_block_tx = params->block_tx;
3371 sdata->vif.csa_active = true;
3373 if (sdata->csa_block_tx)
3374 ieee80211_stop_vif_queues(local, sdata,
3375 IEEE80211_QUEUE_STOP_REASON_CSA);
3377 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3381 ieee80211_bss_info_change_notify(sdata, changed);
3382 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3384 /* if the beacon didn't change, we can finalize immediately */
3385 ieee80211_csa_finalize(sdata);
3389 mutex_unlock(&local->chanctx_mtx);
3393 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3394 struct cfg80211_csa_settings *params)
3396 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3397 struct ieee80211_local *local = sdata->local;
3400 mutex_lock(&local->mtx);
3401 err = __ieee80211_channel_switch(wiphy, dev, params);
3402 mutex_unlock(&local->mtx);
3407 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3409 lockdep_assert_held(&local->mtx);
3411 local->roc_cookie_counter++;
3413 /* wow, you wrapped 64 bits ... more likely a bug */
3414 if (WARN_ON(local->roc_cookie_counter == 0))
3415 local->roc_cookie_counter++;
3417 return local->roc_cookie_counter;
3420 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3421 u64 *cookie, gfp_t gfp)
3423 unsigned long spin_flags;
3424 struct sk_buff *ack_skb;
3427 ack_skb = skb_copy(skb, gfp);
3431 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3432 id = idr_alloc(&local->ack_status_frames, ack_skb,
3433 1, 0x10000, GFP_ATOMIC);
3434 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3441 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3443 *cookie = ieee80211_mgmt_tx_cookie(local);
3444 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3449 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3450 struct wireless_dev *wdev,
3451 u16 frame_type, bool reg)
3453 struct ieee80211_local *local = wiphy_priv(wiphy);
3454 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3456 switch (frame_type) {
3457 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3459 local->probe_req_reg++;
3460 sdata->vif.probe_req_reg++;
3462 if (local->probe_req_reg)
3463 local->probe_req_reg--;
3465 if (sdata->vif.probe_req_reg)
3466 sdata->vif.probe_req_reg--;
3469 if (!local->open_count)
3472 if (sdata->vif.probe_req_reg == 1)
3473 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3475 else if (sdata->vif.probe_req_reg == 0)
3476 drv_config_iface_filter(local, sdata, 0,
3479 ieee80211_configure_filter(local);
3486 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3488 struct ieee80211_local *local = wiphy_priv(wiphy);
3493 return drv_set_antenna(local, tx_ant, rx_ant);
3496 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3498 struct ieee80211_local *local = wiphy_priv(wiphy);
3500 return drv_get_antenna(local, tx_ant, rx_ant);
3503 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3504 struct net_device *dev,
3505 struct cfg80211_gtk_rekey_data *data)
3507 struct ieee80211_local *local = wiphy_priv(wiphy);
3508 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3510 if (!local->ops->set_rekey_data)
3513 drv_set_rekey_data(local, sdata, data);
3518 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3519 const u8 *peer, u64 *cookie)
3521 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3522 struct ieee80211_local *local = sdata->local;
3523 struct ieee80211_qos_hdr *nullfunc;
3524 struct sk_buff *skb;
3525 int size = sizeof(*nullfunc);
3528 struct ieee80211_tx_info *info;
3529 struct sta_info *sta;
3530 struct ieee80211_chanctx_conf *chanctx_conf;
3531 enum nl80211_band band;
3534 /* the lock is needed to assign the cookie later */
3535 mutex_lock(&local->mtx);
3538 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3539 if (WARN_ON(!chanctx_conf)) {
3543 band = chanctx_conf->def.chan->band;
3544 sta = sta_info_get_bss(sdata, peer);
3553 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3554 IEEE80211_STYPE_QOS_NULLFUNC |
3555 IEEE80211_FCTL_FROMDS);
3558 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3559 IEEE80211_STYPE_NULLFUNC |
3560 IEEE80211_FCTL_FROMDS);
3563 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3571 skb_reserve(skb, local->hw.extra_tx_headroom);
3573 nullfunc = skb_put(skb, size);
3574 nullfunc->frame_control = fc;
3575 nullfunc->duration_id = 0;
3576 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3577 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3578 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3579 nullfunc->seq_ctrl = 0;
3581 info = IEEE80211_SKB_CB(skb);
3583 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3584 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3587 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3590 nullfunc->qos_ctrl = cpu_to_le16(7);
3592 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3599 ieee80211_xmit(sdata, sta, skb, 0);
3605 mutex_unlock(&local->mtx);
3610 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3611 struct wireless_dev *wdev,
3612 struct cfg80211_chan_def *chandef)
3614 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3615 struct ieee80211_local *local = wiphy_priv(wiphy);
3616 struct ieee80211_chanctx_conf *chanctx_conf;
3620 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3622 *chandef = sdata->vif.bss_conf.chandef;
3624 } else if (local->open_count > 0 &&
3625 local->open_count == local->monitors &&
3626 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3627 if (local->use_chanctx)
3628 *chandef = local->monitor_chandef;
3630 *chandef = local->_oper_chandef;
3639 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3641 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3645 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3646 struct net_device *dev,
3647 struct cfg80211_qos_map *qos_map)
3649 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3650 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3653 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3656 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3658 /* A NULL qos_map was passed to disable QoS mapping */
3662 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3663 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3665 kfree_rcu(old_qos_map, rcu_head);
3670 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3671 struct net_device *dev,
3672 struct cfg80211_chan_def *chandef)
3674 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3678 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3680 ieee80211_bss_info_change_notify(sdata, changed);
3685 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3686 u8 tsid, const u8 *peer, u8 up,
3689 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3690 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3691 int ac = ieee802_1d_to_ac[up];
3693 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3696 if (!(sdata->wmm_acm & BIT(up)))
3699 if (ifmgd->tx_tspec[ac].admitted_time)
3702 if (admitted_time) {
3703 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3704 ifmgd->tx_tspec[ac].tsid = tsid;
3705 ifmgd->tx_tspec[ac].up = up;
3711 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3712 u8 tsid, const u8 *peer)
3714 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3715 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3716 struct ieee80211_local *local = wiphy_priv(wiphy);
3719 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3720 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3722 /* skip unused entries */
3723 if (!tx_tspec->admitted_time)
3726 if (tx_tspec->tsid != tsid)
3729 /* due to this new packets will be reassigned to non-ACM ACs */
3732 /* Make sure that all packets have been sent to avoid to
3733 * restore the QoS params on packets that are still on the
3737 ieee80211_flush_queues(local, sdata, false);
3739 /* restore the normal QoS parameters
3740 * (unconditionally to avoid races)
3742 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3743 tx_tspec->downgraded = false;
3744 ieee80211_sta_handle_tspec_ac_params(sdata);
3746 /* finally clear all the data */
3747 memset(tx_tspec, 0, sizeof(*tx_tspec));
3755 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3757 enum nl80211_nan_func_term_reason reason,
3760 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3761 struct cfg80211_nan_func *func;
3764 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3767 spin_lock_bh(&sdata->u.nan.func_lock);
3769 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3770 if (WARN_ON(!func)) {
3771 spin_unlock_bh(&sdata->u.nan.func_lock);
3775 cookie = func->cookie;
3776 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3778 spin_unlock_bh(&sdata->u.nan.func_lock);
3780 cfg80211_free_nan_func(func);
3782 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3783 reason, cookie, gfp);
3785 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3787 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3788 struct cfg80211_nan_match_params *match,
3791 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3792 struct cfg80211_nan_func *func;
3794 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3797 spin_lock_bh(&sdata->u.nan.func_lock);
3799 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3800 if (WARN_ON(!func)) {
3801 spin_unlock_bh(&sdata->u.nan.func_lock);
3804 match->cookie = func->cookie;
3806 spin_unlock_bh(&sdata->u.nan.func_lock);
3808 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3810 EXPORT_SYMBOL(ieee80211_nan_func_match);
3812 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3813 struct net_device *dev,
3816 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3818 sdata->u.ap.multicast_to_unicast = enabled;
3823 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3824 struct txq_info *txqi)
3826 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3827 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3828 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3831 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3832 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3833 txqstats->backlog_packets = txqi->tin.backlog_packets;
3836 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3837 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3838 txqstats->flows = txqi->tin.flows;
3841 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3842 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3843 txqstats->drops = txqi->cstats.drop_count;
3846 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3847 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3848 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3851 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3852 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3853 txqstats->overlimit = txqi->tin.overlimit;
3856 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3857 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3858 txqstats->collisions = txqi->tin.collisions;
3861 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3862 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3863 txqstats->tx_bytes = txqi->tin.tx_bytes;
3866 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3867 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3868 txqstats->tx_packets = txqi->tin.tx_packets;
3872 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3873 struct wireless_dev *wdev,
3874 struct cfg80211_txq_stats *txqstats)
3876 struct ieee80211_local *local = wiphy_priv(wiphy);
3877 struct ieee80211_sub_if_data *sdata;
3880 if (!local->ops->wake_tx_queue)
3883 spin_lock_bh(&local->fq.lock);
3887 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3888 if (!sdata->vif.txq) {
3892 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3895 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3896 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3897 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3898 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3899 BIT(NL80211_TXQ_STATS_COLLISIONS) |
3900 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3901 txqstats->backlog_packets = local->fq.backlog;
3902 txqstats->backlog_bytes = local->fq.memory_usage;
3903 txqstats->overlimit = local->fq.overlimit;
3904 txqstats->overmemory = local->fq.overmemory;
3905 txqstats->collisions = local->fq.collisions;
3906 txqstats->max_flows = local->fq.flows_cnt;
3911 spin_unlock_bh(&local->fq.lock);
3917 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3918 struct net_device *dev,
3919 struct cfg80211_ftm_responder_stats *ftm_stats)
3921 struct ieee80211_local *local = wiphy_priv(wiphy);
3922 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3924 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
3928 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3929 struct cfg80211_pmsr_request *request)
3931 struct ieee80211_local *local = wiphy_priv(wiphy);
3932 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3934 return drv_start_pmsr(local, sdata, request);
3938 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3939 struct cfg80211_pmsr_request *request)
3941 struct ieee80211_local *local = wiphy_priv(wiphy);
3942 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3944 return drv_abort_pmsr(local, sdata, request);
3947 const struct cfg80211_ops mac80211_config_ops = {
3948 .add_virtual_intf = ieee80211_add_iface,
3949 .del_virtual_intf = ieee80211_del_iface,
3950 .change_virtual_intf = ieee80211_change_iface,
3951 .start_p2p_device = ieee80211_start_p2p_device,
3952 .stop_p2p_device = ieee80211_stop_p2p_device,
3953 .add_key = ieee80211_add_key,
3954 .del_key = ieee80211_del_key,
3955 .get_key = ieee80211_get_key,
3956 .set_default_key = ieee80211_config_default_key,
3957 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3958 .start_ap = ieee80211_start_ap,
3959 .change_beacon = ieee80211_change_beacon,
3960 .stop_ap = ieee80211_stop_ap,
3961 .add_station = ieee80211_add_station,
3962 .del_station = ieee80211_del_station,
3963 .change_station = ieee80211_change_station,
3964 .get_station = ieee80211_get_station,
3965 .dump_station = ieee80211_dump_station,
3966 .dump_survey = ieee80211_dump_survey,
3967 #ifdef CONFIG_MAC80211_MESH
3968 .add_mpath = ieee80211_add_mpath,
3969 .del_mpath = ieee80211_del_mpath,
3970 .change_mpath = ieee80211_change_mpath,
3971 .get_mpath = ieee80211_get_mpath,
3972 .dump_mpath = ieee80211_dump_mpath,
3973 .get_mpp = ieee80211_get_mpp,
3974 .dump_mpp = ieee80211_dump_mpp,
3975 .update_mesh_config = ieee80211_update_mesh_config,
3976 .get_mesh_config = ieee80211_get_mesh_config,
3977 .join_mesh = ieee80211_join_mesh,
3978 .leave_mesh = ieee80211_leave_mesh,
3980 .join_ocb = ieee80211_join_ocb,
3981 .leave_ocb = ieee80211_leave_ocb,
3982 .change_bss = ieee80211_change_bss,
3983 .set_txq_params = ieee80211_set_txq_params,
3984 .set_monitor_channel = ieee80211_set_monitor_channel,
3985 .suspend = ieee80211_suspend,
3986 .resume = ieee80211_resume,
3987 .scan = ieee80211_scan,
3988 .abort_scan = ieee80211_abort_scan,
3989 .sched_scan_start = ieee80211_sched_scan_start,
3990 .sched_scan_stop = ieee80211_sched_scan_stop,
3991 .auth = ieee80211_auth,
3992 .assoc = ieee80211_assoc,
3993 .deauth = ieee80211_deauth,
3994 .disassoc = ieee80211_disassoc,
3995 .join_ibss = ieee80211_join_ibss,
3996 .leave_ibss = ieee80211_leave_ibss,
3997 .set_mcast_rate = ieee80211_set_mcast_rate,
3998 .set_wiphy_params = ieee80211_set_wiphy_params,
3999 .set_tx_power = ieee80211_set_tx_power,
4000 .get_tx_power = ieee80211_get_tx_power,
4001 .set_wds_peer = ieee80211_set_wds_peer,
4002 .rfkill_poll = ieee80211_rfkill_poll,
4003 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4004 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4005 .set_power_mgmt = ieee80211_set_power_mgmt,
4006 .set_bitrate_mask = ieee80211_set_bitrate_mask,
4007 .remain_on_channel = ieee80211_remain_on_channel,
4008 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4009 .mgmt_tx = ieee80211_mgmt_tx,
4010 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4011 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4012 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4013 .mgmt_frame_register = ieee80211_mgmt_frame_register,
4014 .set_antenna = ieee80211_set_antenna,
4015 .get_antenna = ieee80211_get_antenna,
4016 .set_rekey_data = ieee80211_set_rekey_data,
4017 .tdls_oper = ieee80211_tdls_oper,
4018 .tdls_mgmt = ieee80211_tdls_mgmt,
4019 .tdls_channel_switch = ieee80211_tdls_channel_switch,
4020 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4021 .probe_client = ieee80211_probe_client,
4022 .set_noack_map = ieee80211_set_noack_map,
4024 .set_wakeup = ieee80211_set_wakeup,
4026 .get_channel = ieee80211_cfg_get_channel,
4027 .start_radar_detection = ieee80211_start_radar_detection,
4028 .channel_switch = ieee80211_channel_switch,
4029 .set_qos_map = ieee80211_set_qos_map,
4030 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4031 .add_tx_ts = ieee80211_add_tx_ts,
4032 .del_tx_ts = ieee80211_del_tx_ts,
4033 .start_nan = ieee80211_start_nan,
4034 .stop_nan = ieee80211_stop_nan,
4035 .nan_change_conf = ieee80211_nan_change_conf,
4036 .add_nan_func = ieee80211_add_nan_func,
4037 .del_nan_func = ieee80211_del_nan_func,
4038 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4039 .tx_control_port = ieee80211_tx_control_port,
4040 .get_txq_stats = ieee80211_get_txq_stats,
4041 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4042 .start_pmsr = ieee80211_start_pmsr,
4043 .abort_pmsr = ieee80211_abort_pmsr,
4044 .probe_mesh_link = ieee80211_probe_mesh_link,