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) 2018-2022 Intel Corporation
11 #include <linux/ieee80211.h>
12 #include <linux/nl80211.h>
13 #include <linux/rtnetlink.h>
14 #include <linux/slab.h>
15 #include <net/net_namespace.h>
16 #include <linux/rcupdate.h>
17 #include <linux/fips.h>
18 #include <linux/if_ether.h>
19 #include <net/cfg80211.h>
20 #include "ieee80211_i.h"
21 #include "driver-ops.h"
26 static struct ieee80211_link_data *
27 ieee80211_link_or_deflink(struct ieee80211_sub_if_data *sdata, int link_id,
30 struct ieee80211_link_data *link;
34 * For keys, if sdata is not an MLD, we might not use
35 * the return value at all (if it's not a pairwise key),
36 * so in that case (require_valid==false) don't error.
38 if (require_valid && sdata->vif.valid_links)
39 return ERR_PTR(-EINVAL);
41 return &sdata->deflink;
44 link = sdata_dereference(sdata->link[link_id], sdata);
46 return ERR_PTR(-ENOLINK);
50 static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
51 struct vif_params *params)
53 bool mu_mimo_groups = false;
54 bool mu_mimo_follow = false;
56 if (params->vht_mumimo_groups) {
59 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
61 memcpy(sdata->vif.bss_conf.mu_group.membership,
62 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
63 memcpy(sdata->vif.bss_conf.mu_group.position,
64 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
65 WLAN_USER_POSITION_LEN);
66 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
67 BSS_CHANGED_MU_GROUPS);
68 /* don't care about endianness - just check for 0 */
69 memcpy(&membership, params->vht_mumimo_groups,
71 mu_mimo_groups = membership != 0;
74 if (params->vht_mumimo_follow_addr) {
76 is_valid_ether_addr(params->vht_mumimo_follow_addr);
77 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
78 params->vht_mumimo_follow_addr);
81 sdata->vif.bss_conf.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
84 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
85 struct vif_params *params)
87 struct ieee80211_local *local = sdata->local;
88 struct ieee80211_sub_if_data *monitor_sdata;
90 /* check flags first */
91 if (params->flags && ieee80211_sdata_running(sdata)) {
92 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
95 * Prohibit MONITOR_FLAG_COOK_FRAMES and
96 * MONITOR_FLAG_ACTIVE to be changed while the
98 * Else we would need to add a lot of cruft
99 * to update everything:
100 * cooked_mntrs, monitor and all fif_* counters
101 * reconfigure hardware
103 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
107 /* also validate MU-MIMO change */
108 monitor_sdata = wiphy_dereference(local->hw.wiphy,
109 local->monitor_sdata);
111 if (!monitor_sdata &&
112 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
115 /* apply all changes now - no failures allowed */
118 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
121 if (ieee80211_sdata_running(sdata)) {
122 ieee80211_adjust_monitor_flags(sdata, -1);
123 sdata->u.mntr.flags = params->flags;
124 ieee80211_adjust_monitor_flags(sdata, 1);
126 ieee80211_configure_filter(local);
129 * Because the interface is down, ieee80211_do_stop
130 * and ieee80211_do_open take care of "everything"
131 * mentioned in the comment above.
133 sdata->u.mntr.flags = params->flags;
140 static int ieee80211_set_ap_mbssid_options(struct ieee80211_sub_if_data *sdata,
141 struct cfg80211_mbssid_config params,
142 struct ieee80211_bss_conf *link_conf)
144 struct ieee80211_sub_if_data *tx_sdata;
146 sdata->vif.mbssid_tx_vif = NULL;
147 link_conf->bssid_index = 0;
148 link_conf->nontransmitted = false;
149 link_conf->ema_ap = false;
150 link_conf->bssid_indicator = 0;
152 if (sdata->vif.type != NL80211_IFTYPE_AP || !params.tx_wdev)
155 tx_sdata = IEEE80211_WDEV_TO_SUB_IF(params.tx_wdev);
159 if (tx_sdata == sdata) {
160 sdata->vif.mbssid_tx_vif = &sdata->vif;
162 sdata->vif.mbssid_tx_vif = &tx_sdata->vif;
163 link_conf->nontransmitted = true;
164 link_conf->bssid_index = params.index;
167 link_conf->ema_ap = true;
172 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
174 unsigned char name_assign_type,
175 enum nl80211_iftype type,
176 struct vif_params *params)
178 struct ieee80211_local *local = wiphy_priv(wiphy);
179 struct wireless_dev *wdev;
180 struct ieee80211_sub_if_data *sdata;
183 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
187 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
189 if (type == NL80211_IFTYPE_MONITOR) {
190 err = ieee80211_set_mon_options(sdata, params);
192 ieee80211_if_remove(sdata);
200 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
202 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
207 static int ieee80211_change_iface(struct wiphy *wiphy,
208 struct net_device *dev,
209 enum nl80211_iftype type,
210 struct vif_params *params)
212 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
213 struct ieee80211_local *local = sdata->local;
214 struct sta_info *sta;
217 ret = ieee80211_if_change_type(sdata, type);
221 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
222 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
223 ieee80211_check_fast_rx_iface(sdata);
224 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
225 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
227 if (params->use_4addr == ifmgd->use_4addr)
230 /* FIXME: no support for 4-addr MLO yet */
231 if (sdata->vif.valid_links)
234 sdata->u.mgd.use_4addr = params->use_4addr;
235 if (!ifmgd->associated)
238 mutex_lock(&local->sta_mtx);
239 sta = sta_info_get(sdata, sdata->deflink.u.mgd.bssid);
241 drv_sta_set_4addr(local, sdata, &sta->sta,
243 mutex_unlock(&local->sta_mtx);
245 if (params->use_4addr)
246 ieee80211_send_4addr_nullfunc(local, sdata);
249 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
250 ret = ieee80211_set_mon_options(sdata, params);
258 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
259 struct wireless_dev *wdev)
261 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
264 mutex_lock(&sdata->local->chanctx_mtx);
265 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
266 mutex_unlock(&sdata->local->chanctx_mtx);
270 return ieee80211_do_open(wdev, true);
273 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
274 struct wireless_dev *wdev)
276 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
279 static int ieee80211_start_nan(struct wiphy *wiphy,
280 struct wireless_dev *wdev,
281 struct cfg80211_nan_conf *conf)
283 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
286 mutex_lock(&sdata->local->chanctx_mtx);
287 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
288 mutex_unlock(&sdata->local->chanctx_mtx);
292 ret = ieee80211_do_open(wdev, true);
296 ret = drv_start_nan(sdata->local, sdata, conf);
298 ieee80211_sdata_stop(sdata);
300 sdata->u.nan.conf = *conf;
305 static void ieee80211_stop_nan(struct wiphy *wiphy,
306 struct wireless_dev *wdev)
308 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
310 drv_stop_nan(sdata->local, sdata);
311 ieee80211_sdata_stop(sdata);
314 static int ieee80211_nan_change_conf(struct wiphy *wiphy,
315 struct wireless_dev *wdev,
316 struct cfg80211_nan_conf *conf,
319 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
320 struct cfg80211_nan_conf new_conf;
323 if (sdata->vif.type != NL80211_IFTYPE_NAN)
326 if (!ieee80211_sdata_running(sdata))
329 new_conf = sdata->u.nan.conf;
331 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
332 new_conf.master_pref = conf->master_pref;
334 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
335 new_conf.bands = conf->bands;
337 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
339 sdata->u.nan.conf = new_conf;
344 static int ieee80211_add_nan_func(struct wiphy *wiphy,
345 struct wireless_dev *wdev,
346 struct cfg80211_nan_func *nan_func)
348 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
351 if (sdata->vif.type != NL80211_IFTYPE_NAN)
354 if (!ieee80211_sdata_running(sdata))
357 spin_lock_bh(&sdata->u.nan.func_lock);
359 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
360 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
362 spin_unlock_bh(&sdata->u.nan.func_lock);
367 nan_func->instance_id = ret;
369 WARN_ON(nan_func->instance_id == 0);
371 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
373 spin_lock_bh(&sdata->u.nan.func_lock);
374 idr_remove(&sdata->u.nan.function_inst_ids,
375 nan_func->instance_id);
376 spin_unlock_bh(&sdata->u.nan.func_lock);
382 static struct cfg80211_nan_func *
383 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
386 struct cfg80211_nan_func *func;
389 lockdep_assert_held(&sdata->u.nan.func_lock);
391 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
392 if (func->cookie == cookie)
399 static void ieee80211_del_nan_func(struct wiphy *wiphy,
400 struct wireless_dev *wdev, u64 cookie)
402 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
403 struct cfg80211_nan_func *func;
406 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
407 !ieee80211_sdata_running(sdata))
410 spin_lock_bh(&sdata->u.nan.func_lock);
412 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
414 instance_id = func->instance_id;
416 spin_unlock_bh(&sdata->u.nan.func_lock);
419 drv_del_nan_func(sdata->local, sdata, instance_id);
422 static int ieee80211_set_noack_map(struct wiphy *wiphy,
423 struct net_device *dev,
426 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
428 sdata->noack_map = noack_map;
430 ieee80211_check_fast_xmit_iface(sdata);
435 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
436 const u8 *mac_addr, u8 key_idx)
438 struct ieee80211_local *local = sdata->local;
439 struct ieee80211_key *key;
440 struct sta_info *sta;
443 if (!wiphy_ext_feature_isset(local->hw.wiphy,
444 NL80211_EXT_FEATURE_EXT_KEY_ID))
447 sta = sta_info_get_bss(sdata, mac_addr);
452 if (sta->ptk_idx == key_idx)
455 mutex_lock(&local->key_mtx);
456 key = key_mtx_dereference(local, sta->ptk[key_idx]);
458 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
459 ret = ieee80211_set_tx_key(key);
461 mutex_unlock(&local->key_mtx);
465 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
466 int link_id, u8 key_idx, bool pairwise,
467 const u8 *mac_addr, struct key_params *params)
469 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
470 struct ieee80211_link_data *link =
471 ieee80211_link_or_deflink(sdata, link_id, false);
472 struct ieee80211_local *local = sdata->local;
473 struct sta_info *sta = NULL;
474 struct ieee80211_key *key;
477 if (!ieee80211_sdata_running(sdata))
481 return PTR_ERR(link);
483 if (pairwise && params->mode == NL80211_KEY_SET_TX)
484 return ieee80211_set_tx(sdata, mac_addr, key_idx);
486 /* reject WEP and TKIP keys if WEP failed to initialize */
487 switch (params->cipher) {
488 case WLAN_CIPHER_SUITE_WEP40:
489 case WLAN_CIPHER_SUITE_TKIP:
490 case WLAN_CIPHER_SUITE_WEP104:
493 if (WARN_ON_ONCE(fips_enabled))
500 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
501 params->key, params->seq_len, params->seq);
505 key->conf.link_id = link_id;
508 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
510 if (params->mode == NL80211_KEY_NO_TX)
511 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
513 mutex_lock(&local->sta_mtx);
516 sta = sta_info_get_bss(sdata, mac_addr);
518 * The ASSOC test makes sure the driver is ready to
519 * receive the key. When wpa_supplicant has roamed
520 * using FT, it attempts to set the key before
521 * association has completed, this rejects that attempt
522 * so it will set the key again after association.
524 * TODO: accept the key if we have a station entry and
525 * add it to the device after the station.
527 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
528 ieee80211_key_free_unused(key);
534 switch (sdata->vif.type) {
535 case NL80211_IFTYPE_STATION:
536 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
537 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
539 case NL80211_IFTYPE_AP:
540 case NL80211_IFTYPE_AP_VLAN:
541 /* Keys without a station are used for TX only */
542 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
543 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
545 case NL80211_IFTYPE_ADHOC:
548 case NL80211_IFTYPE_MESH_POINT:
549 #ifdef CONFIG_MAC80211_MESH
550 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
551 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
554 case NL80211_IFTYPE_WDS:
555 case NL80211_IFTYPE_MONITOR:
556 case NL80211_IFTYPE_P2P_DEVICE:
557 case NL80211_IFTYPE_NAN:
558 case NL80211_IFTYPE_UNSPECIFIED:
559 case NUM_NL80211_IFTYPES:
560 case NL80211_IFTYPE_P2P_CLIENT:
561 case NL80211_IFTYPE_P2P_GO:
562 case NL80211_IFTYPE_OCB:
563 /* shouldn't happen */
568 err = ieee80211_key_link(key, link, sta);
571 mutex_unlock(&local->sta_mtx);
576 static struct ieee80211_key *
577 ieee80211_lookup_key(struct ieee80211_sub_if_data *sdata, int link_id,
578 u8 key_idx, bool pairwise, const u8 *mac_addr)
580 struct ieee80211_local *local __maybe_unused = sdata->local;
581 struct ieee80211_link_data *link = &sdata->deflink;
582 struct ieee80211_key *key;
585 link = rcu_dereference_check(sdata->link[link_id],
586 lockdep_is_held(&sdata->wdev.mtx));
592 struct sta_info *sta;
593 struct link_sta_info *link_sta;
595 sta = sta_info_get_bss(sdata, mac_addr);
600 link_sta = rcu_dereference_check(sta->link[link_id],
601 lockdep_is_held(&local->sta_mtx));
605 link_sta = &sta->deflink;
608 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
609 return rcu_dereference_check_key_mtx(local,
613 key_idx < NUM_DEFAULT_KEYS +
614 NUM_DEFAULT_MGMT_KEYS +
615 NUM_DEFAULT_BEACON_KEYS)
616 return rcu_dereference_check_key_mtx(local,
617 link_sta->gtk[key_idx]);
622 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
623 return rcu_dereference_check_key_mtx(local,
624 sdata->keys[key_idx]);
626 key = rcu_dereference_check_key_mtx(local, link->gtk[key_idx]);
630 /* or maybe it was a WEP key */
631 if (key_idx < NUM_DEFAULT_KEYS)
632 return rcu_dereference_check_key_mtx(local, sdata->keys[key_idx]);
637 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
638 int link_id, u8 key_idx, bool pairwise,
641 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
642 struct ieee80211_local *local = sdata->local;
643 struct ieee80211_key *key;
646 mutex_lock(&local->sta_mtx);
647 mutex_lock(&local->key_mtx);
649 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr);
655 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
659 mutex_unlock(&local->key_mtx);
660 mutex_unlock(&local->sta_mtx);
665 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
666 int link_id, u8 key_idx, bool pairwise,
667 const u8 *mac_addr, void *cookie,
668 void (*callback)(void *cookie,
669 struct key_params *params))
671 struct ieee80211_sub_if_data *sdata;
673 struct key_params params;
674 struct ieee80211_key *key;
679 struct ieee80211_key_seq kseq = {};
681 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
685 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr);
689 memset(¶ms, 0, sizeof(params));
691 params.cipher = key->conf.cipher;
693 switch (key->conf.cipher) {
694 case WLAN_CIPHER_SUITE_TKIP:
695 pn64 = atomic64_read(&key->conf.tx_pn);
696 iv32 = TKIP_PN_TO_IV32(pn64);
697 iv16 = TKIP_PN_TO_IV16(pn64);
699 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
700 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
701 drv_get_key_seq(sdata->local, key, &kseq);
702 iv32 = kseq.tkip.iv32;
703 iv16 = kseq.tkip.iv16;
706 seq[0] = iv16 & 0xff;
707 seq[1] = (iv16 >> 8) & 0xff;
708 seq[2] = iv32 & 0xff;
709 seq[3] = (iv32 >> 8) & 0xff;
710 seq[4] = (iv32 >> 16) & 0xff;
711 seq[5] = (iv32 >> 24) & 0xff;
715 case WLAN_CIPHER_SUITE_CCMP:
716 case WLAN_CIPHER_SUITE_CCMP_256:
717 case WLAN_CIPHER_SUITE_AES_CMAC:
718 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
719 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
720 offsetof(typeof(kseq), aes_cmac));
722 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
723 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
724 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
725 offsetof(typeof(kseq), aes_gmac));
727 case WLAN_CIPHER_SUITE_GCMP:
728 case WLAN_CIPHER_SUITE_GCMP_256:
729 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
730 offsetof(typeof(kseq), gcmp));
732 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
733 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
734 drv_get_key_seq(sdata->local, key, &kseq);
735 memcpy(seq, kseq.ccmp.pn, 6);
737 pn64 = atomic64_read(&key->conf.tx_pn);
749 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
751 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
753 drv_get_key_seq(sdata->local, key, &kseq);
754 params.seq = kseq.hw.seq;
755 params.seq_len = kseq.hw.seq_len;
759 params.key = key->conf.key;
760 params.key_len = key->conf.keylen;
762 callback(cookie, ¶ms);
770 static int ieee80211_config_default_key(struct wiphy *wiphy,
771 struct net_device *dev,
772 int link_id, u8 key_idx, bool uni,
775 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
776 struct ieee80211_link_data *link =
777 ieee80211_link_or_deflink(sdata, link_id, false);
780 return PTR_ERR(link);
782 ieee80211_set_default_key(link, key_idx, uni, multi);
787 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
788 struct net_device *dev,
789 int link_id, u8 key_idx)
791 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
792 struct ieee80211_link_data *link =
793 ieee80211_link_or_deflink(sdata, link_id, true);
796 return PTR_ERR(link);
798 ieee80211_set_default_mgmt_key(link, key_idx);
803 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
804 struct net_device *dev,
805 int link_id, u8 key_idx)
807 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
808 struct ieee80211_link_data *link =
809 ieee80211_link_or_deflink(sdata, link_id, true);
812 return PTR_ERR(link);
814 ieee80211_set_default_beacon_key(link, key_idx);
819 void sta_set_rate_info_tx(struct sta_info *sta,
820 const struct ieee80211_tx_rate *rate,
821 struct rate_info *rinfo)
824 if (rate->flags & IEEE80211_TX_RC_MCS) {
825 rinfo->flags |= RATE_INFO_FLAGS_MCS;
826 rinfo->mcs = rate->idx;
827 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
828 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
829 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
830 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
832 struct ieee80211_supported_band *sband;
833 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
836 sband = ieee80211_get_sband(sta->sdata);
837 WARN_ON_ONCE(sband && !sband->bitrates);
838 if (sband && sband->bitrates) {
839 brate = sband->bitrates[rate->idx].bitrate;
840 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
843 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
844 rinfo->bw = RATE_INFO_BW_40;
845 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
846 rinfo->bw = RATE_INFO_BW_80;
847 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
848 rinfo->bw = RATE_INFO_BW_160;
850 rinfo->bw = RATE_INFO_BW_20;
851 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
852 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
855 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
856 int idx, u8 *mac, struct station_info *sinfo)
858 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
859 struct ieee80211_local *local = sdata->local;
860 struct sta_info *sta;
863 mutex_lock(&local->sta_mtx);
865 sta = sta_info_get_by_idx(sdata, idx);
868 memcpy(mac, sta->sta.addr, ETH_ALEN);
869 sta_set_sinfo(sta, sinfo, true);
872 mutex_unlock(&local->sta_mtx);
877 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
878 int idx, struct survey_info *survey)
880 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
882 return drv_get_survey(local, idx, survey);
885 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
886 const u8 *mac, struct station_info *sinfo)
888 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
889 struct ieee80211_local *local = sdata->local;
890 struct sta_info *sta;
893 mutex_lock(&local->sta_mtx);
895 sta = sta_info_get_bss(sdata, mac);
898 sta_set_sinfo(sta, sinfo, true);
901 mutex_unlock(&local->sta_mtx);
906 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
907 struct cfg80211_chan_def *chandef)
909 struct ieee80211_local *local = wiphy_priv(wiphy);
910 struct ieee80211_sub_if_data *sdata;
913 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
916 mutex_lock(&local->mtx);
917 if (local->use_chanctx) {
918 sdata = wiphy_dereference(local->hw.wiphy,
919 local->monitor_sdata);
921 ieee80211_link_release_channel(&sdata->deflink);
922 ret = ieee80211_link_use_channel(&sdata->deflink,
924 IEEE80211_CHANCTX_EXCLUSIVE);
926 } else if (local->open_count == local->monitors) {
927 local->_oper_chandef = *chandef;
928 ieee80211_hw_config(local, 0);
932 local->monitor_chandef = *chandef;
933 mutex_unlock(&local->mtx);
939 ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
940 const u8 *resp, size_t resp_len,
941 const struct ieee80211_csa_settings *csa,
942 const struct ieee80211_color_change_settings *cca,
943 struct ieee80211_link_data *link)
945 struct probe_resp *new, *old;
947 if (!resp || !resp_len)
950 old = sdata_dereference(link->u.ap.probe_resp, sdata);
952 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
957 memcpy(new->data, resp, resp_len);
960 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp,
961 csa->n_counter_offsets_presp *
962 sizeof(new->cntdwn_counter_offsets[0]));
964 new->cntdwn_counter_offsets[0] = cca->counter_offset_presp;
966 rcu_assign_pointer(link->u.ap.probe_resp, new);
968 kfree_rcu(old, rcu_head);
973 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
974 struct cfg80211_fils_discovery *params,
975 struct ieee80211_link_data *link,
976 struct ieee80211_bss_conf *link_conf)
978 struct fils_discovery_data *new, *old = NULL;
979 struct ieee80211_fils_discovery *fd;
981 if (!params->tmpl || !params->tmpl_len)
984 fd = &link_conf->fils_discovery;
985 fd->min_interval = params->min_interval;
986 fd->max_interval = params->max_interval;
988 old = sdata_dereference(link->u.ap.fils_discovery, sdata);
989 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
992 new->len = params->tmpl_len;
993 memcpy(new->data, params->tmpl, params->tmpl_len);
994 rcu_assign_pointer(link->u.ap.fils_discovery, new);
997 kfree_rcu(old, rcu_head);
1003 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
1004 struct cfg80211_unsol_bcast_probe_resp *params,
1005 struct ieee80211_link_data *link,
1006 struct ieee80211_bss_conf *link_conf)
1008 struct unsol_bcast_probe_resp_data *new, *old = NULL;
1010 if (!params->tmpl || !params->tmpl_len)
1013 old = sdata_dereference(link->u.ap.unsol_bcast_probe_resp, sdata);
1014 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
1017 new->len = params->tmpl_len;
1018 memcpy(new->data, params->tmpl, params->tmpl_len);
1019 rcu_assign_pointer(link->u.ap.unsol_bcast_probe_resp, new);
1022 kfree_rcu(old, rcu_head);
1024 link_conf->unsol_bcast_probe_resp_interval = params->interval;
1029 static int ieee80211_set_ftm_responder_params(
1030 struct ieee80211_sub_if_data *sdata,
1031 const u8 *lci, size_t lci_len,
1032 const u8 *civicloc, size_t civicloc_len,
1033 struct ieee80211_bss_conf *link_conf)
1035 struct ieee80211_ftm_responder_params *new, *old;
1039 if (!lci_len && !civicloc_len)
1042 old = link_conf->ftmr_params;
1043 len = lci_len + civicloc_len;
1045 new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
1049 pos = (u8 *)(new + 1);
1051 new->lci_len = lci_len;
1053 memcpy(pos, lci, lci_len);
1058 new->civicloc_len = civicloc_len;
1059 new->civicloc = pos;
1060 memcpy(pos, civicloc, civicloc_len);
1061 pos += civicloc_len;
1064 link_conf->ftmr_params = new;
1071 ieee80211_copy_mbssid_beacon(u8 *pos, struct cfg80211_mbssid_elems *dst,
1072 struct cfg80211_mbssid_elems *src)
1076 for (i = 0; i < src->cnt; i++) {
1077 memcpy(pos + offset, src->elem[i].data, src->elem[i].len);
1078 dst->elem[i].len = src->elem[i].len;
1079 dst->elem[i].data = pos + offset;
1080 offset += dst->elem[i].len;
1082 dst->cnt = src->cnt;
1087 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
1088 struct ieee80211_link_data *link,
1089 struct cfg80211_beacon_data *params,
1090 const struct ieee80211_csa_settings *csa,
1091 const struct ieee80211_color_change_settings *cca)
1093 struct cfg80211_mbssid_elems *mbssid = NULL;
1094 struct beacon_data *new, *old;
1095 int new_head_len, new_tail_len;
1097 u32 changed = BSS_CHANGED_BEACON;
1098 struct ieee80211_bss_conf *link_conf = link->conf;
1100 old = sdata_dereference(link->u.ap.beacon, sdata);
1102 /* Need to have a beacon head if we don't have one yet */
1103 if (!params->head && !old)
1106 /* new or old head? */
1108 new_head_len = params->head_len;
1110 new_head_len = old->head_len;
1112 /* new or old tail? */
1113 if (params->tail || !old)
1114 /* params->tail_len will be zero for !params->tail */
1115 new_tail_len = params->tail_len;
1117 new_tail_len = old->tail_len;
1119 size = sizeof(*new) + new_head_len + new_tail_len;
1121 /* new or old multiple BSSID elements? */
1122 if (params->mbssid_ies) {
1123 mbssid = params->mbssid_ies;
1124 size += struct_size(new->mbssid_ies, elem, mbssid->cnt);
1125 size += ieee80211_get_mbssid_beacon_len(mbssid);
1126 } else if (old && old->mbssid_ies) {
1127 mbssid = old->mbssid_ies;
1128 size += struct_size(new->mbssid_ies, elem, mbssid->cnt);
1129 size += ieee80211_get_mbssid_beacon_len(mbssid);
1132 new = kzalloc(size, GFP_KERNEL);
1136 /* start filling the new info now */
1139 * pointers go into the block we allocated,
1140 * memory is | beacon_data | head | tail | mbssid_ies
1142 new->head = ((u8 *) new) + sizeof(*new);
1143 new->tail = new->head + new_head_len;
1144 new->head_len = new_head_len;
1145 new->tail_len = new_tail_len;
1146 /* copy in optional mbssid_ies */
1148 u8 *pos = new->tail + new->tail_len;
1150 new->mbssid_ies = (void *)pos;
1151 pos += struct_size(new->mbssid_ies, elem, mbssid->cnt);
1152 ieee80211_copy_mbssid_beacon(pos, new->mbssid_ies, mbssid);
1153 /* update bssid_indicator */
1154 link_conf->bssid_indicator =
1155 ilog2(__roundup_pow_of_two(mbssid->cnt + 1));
1159 new->cntdwn_current_counter = csa->count;
1160 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon,
1161 csa->n_counter_offsets_beacon *
1162 sizeof(new->cntdwn_counter_offsets[0]));
1164 new->cntdwn_current_counter = cca->count;
1165 new->cntdwn_counter_offsets[0] = cca->counter_offset_beacon;
1170 memcpy(new->head, params->head, new_head_len);
1172 memcpy(new->head, old->head, new_head_len);
1174 /* copy in optional tail */
1176 memcpy(new->tail, params->tail, new_tail_len);
1179 memcpy(new->tail, old->tail, new_tail_len);
1181 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
1182 params->probe_resp_len, csa, cca, link);
1188 changed |= BSS_CHANGED_AP_PROBE_RESP;
1190 if (params->ftm_responder != -1) {
1191 link_conf->ftm_responder = params->ftm_responder;
1192 err = ieee80211_set_ftm_responder_params(sdata,
1196 params->civicloc_len,
1204 changed |= BSS_CHANGED_FTM_RESPONDER;
1207 rcu_assign_pointer(link->u.ap.beacon, new);
1208 sdata->u.ap.active = true;
1211 kfree_rcu(old, rcu_head);
1216 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
1217 struct cfg80211_ap_settings *params)
1219 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1220 struct ieee80211_local *local = sdata->local;
1221 struct beacon_data *old;
1222 struct ieee80211_sub_if_data *vlan;
1223 u32 changed = BSS_CHANGED_BEACON_INT |
1224 BSS_CHANGED_BEACON_ENABLED |
1225 BSS_CHANGED_BEACON |
1226 BSS_CHANGED_P2P_PS |
1227 BSS_CHANGED_TXPOWER |
1230 int prev_beacon_int;
1231 unsigned int link_id = params->beacon.link_id;
1232 struct ieee80211_link_data *link;
1233 struct ieee80211_bss_conf *link_conf;
1235 link = sdata_dereference(sdata->link[link_id], sdata);
1239 link_conf = link->conf;
1241 old = sdata_dereference(link->u.ap.beacon, sdata);
1245 if (params->smps_mode != NL80211_SMPS_OFF)
1248 link->smps_mode = IEEE80211_SMPS_OFF;
1250 link->needed_rx_chains = sdata->local->rx_chains;
1252 prev_beacon_int = link_conf->beacon_int;
1253 link_conf->beacon_int = params->beacon_interval;
1255 if (params->he_cap && params->he_oper) {
1256 link_conf->he_support = true;
1257 link_conf->htc_trig_based_pkt_ext =
1258 le32_get_bits(params->he_oper->he_oper_params,
1259 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1260 link_conf->frame_time_rts_th =
1261 le32_get_bits(params->he_oper->he_oper_params,
1262 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1263 changed |= BSS_CHANGED_HE_OBSS_PD;
1265 if (params->beacon.he_bss_color.enabled)
1266 changed |= BSS_CHANGED_HE_BSS_COLOR;
1269 if (sdata->vif.type == NL80211_IFTYPE_AP &&
1270 params->mbssid_config.tx_wdev) {
1271 err = ieee80211_set_ap_mbssid_options(sdata,
1272 params->mbssid_config,
1278 mutex_lock(&local->mtx);
1279 err = ieee80211_link_use_channel(link, ¶ms->chandef,
1280 IEEE80211_CHANCTX_SHARED);
1282 ieee80211_link_copy_chanctx_to_vlans(link, false);
1283 mutex_unlock(&local->mtx);
1285 link_conf->beacon_int = prev_beacon_int;
1290 * Apply control port protocol, this allows us to
1291 * not encrypt dynamic WEP control frames.
1293 sdata->control_port_protocol = params->crypto.control_port_ethertype;
1294 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1295 sdata->control_port_over_nl80211 =
1296 params->crypto.control_port_over_nl80211;
1297 sdata->control_port_no_preauth =
1298 params->crypto.control_port_no_preauth;
1300 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1301 vlan->control_port_protocol =
1302 params->crypto.control_port_ethertype;
1303 vlan->control_port_no_encrypt =
1304 params->crypto.control_port_no_encrypt;
1305 vlan->control_port_over_nl80211 =
1306 params->crypto.control_port_over_nl80211;
1307 vlan->control_port_no_preauth =
1308 params->crypto.control_port_no_preauth;
1311 link_conf->dtim_period = params->dtim_period;
1312 link_conf->enable_beacon = true;
1313 link_conf->allow_p2p_go_ps = sdata->vif.p2p;
1314 link_conf->twt_responder = params->twt_responder;
1315 link_conf->he_obss_pd = params->he_obss_pd;
1316 link_conf->he_bss_color = params->beacon.he_bss_color;
1317 sdata->vif.cfg.s1g = params->chandef.chan->band ==
1320 sdata->vif.cfg.ssid_len = params->ssid_len;
1321 if (params->ssid_len)
1322 memcpy(sdata->vif.cfg.ssid, params->ssid,
1324 link_conf->hidden_ssid =
1325 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1327 memset(&link_conf->p2p_noa_attr, 0,
1328 sizeof(link_conf->p2p_noa_attr));
1329 link_conf->p2p_noa_attr.oppps_ctwindow =
1330 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1331 if (params->p2p_opp_ps)
1332 link_conf->p2p_noa_attr.oppps_ctwindow |=
1333 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1335 sdata->beacon_rate_set = false;
1336 if (wiphy_ext_feature_isset(local->hw.wiphy,
1337 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1338 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1339 sdata->beacon_rateidx_mask[i] =
1340 params->beacon_rate.control[i].legacy;
1341 if (sdata->beacon_rateidx_mask[i])
1342 sdata->beacon_rate_set = true;
1346 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
1347 link_conf->beacon_tx_rate = params->beacon_rate;
1349 err = ieee80211_assign_beacon(sdata, link, ¶ms->beacon, NULL, NULL);
1354 if (params->fils_discovery.max_interval) {
1355 err = ieee80211_set_fils_discovery(sdata,
1356 ¶ms->fils_discovery,
1360 changed |= BSS_CHANGED_FILS_DISCOVERY;
1363 if (params->unsol_bcast_probe_resp.interval) {
1364 err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1365 ¶ms->unsol_bcast_probe_resp,
1369 changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
1372 err = drv_start_ap(sdata->local, sdata, link_conf);
1374 old = sdata_dereference(link->u.ap.beacon, sdata);
1377 kfree_rcu(old, rcu_head);
1378 RCU_INIT_POINTER(link->u.ap.beacon, NULL);
1379 sdata->u.ap.active = false;
1383 ieee80211_recalc_dtim(local, sdata);
1384 ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_SSID);
1385 ieee80211_link_info_change_notify(sdata, link, changed);
1387 netif_carrier_on(dev);
1388 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1389 netif_carrier_on(vlan->dev);
1394 mutex_lock(&local->mtx);
1395 ieee80211_link_release_channel(link);
1396 mutex_unlock(&local->mtx);
1401 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1402 struct cfg80211_beacon_data *params)
1404 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1405 struct ieee80211_link_data *link;
1406 struct beacon_data *old;
1408 struct ieee80211_bss_conf *link_conf;
1410 sdata_assert_lock(sdata);
1412 link = sdata_dereference(sdata->link[params->link_id], sdata);
1416 link_conf = link->conf;
1418 /* don't allow changing the beacon while a countdown is in place - offset
1419 * of channel switch counter may change
1421 if (link_conf->csa_active || link_conf->color_change_active)
1424 old = sdata_dereference(link->u.ap.beacon, sdata);
1428 err = ieee80211_assign_beacon(sdata, link, params, NULL, NULL);
1432 if (params->he_bss_color_valid &&
1433 params->he_bss_color.enabled != link_conf->he_bss_color.enabled) {
1434 link_conf->he_bss_color.enabled = params->he_bss_color.enabled;
1435 err |= BSS_CHANGED_HE_BSS_COLOR;
1438 ieee80211_link_info_change_notify(sdata, link, err);
1442 static void ieee80211_free_next_beacon(struct ieee80211_link_data *link)
1444 if (!link->u.ap.next_beacon)
1447 kfree(link->u.ap.next_beacon->mbssid_ies);
1448 kfree(link->u.ap.next_beacon);
1449 link->u.ap.next_beacon = NULL;
1452 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
1453 unsigned int link_id)
1455 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1456 struct ieee80211_sub_if_data *vlan;
1457 struct ieee80211_local *local = sdata->local;
1458 struct beacon_data *old_beacon;
1459 struct probe_resp *old_probe_resp;
1460 struct fils_discovery_data *old_fils_discovery;
1461 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp;
1462 struct cfg80211_chan_def chandef;
1463 struct ieee80211_link_data *link =
1464 sdata_dereference(sdata->link[link_id], sdata);
1465 struct ieee80211_bss_conf *link_conf = link->conf;
1467 sdata_assert_lock(sdata);
1469 old_beacon = sdata_dereference(link->u.ap.beacon, sdata);
1472 old_probe_resp = sdata_dereference(link->u.ap.probe_resp,
1474 old_fils_discovery = sdata_dereference(link->u.ap.fils_discovery,
1476 old_unsol_bcast_probe_resp =
1477 sdata_dereference(link->u.ap.unsol_bcast_probe_resp,
1480 /* abort any running channel switch */
1481 mutex_lock(&local->mtx);
1482 link_conf->csa_active = false;
1483 if (link->csa_block_tx) {
1484 ieee80211_wake_vif_queues(local, sdata,
1485 IEEE80211_QUEUE_STOP_REASON_CSA);
1486 link->csa_block_tx = false;
1489 mutex_unlock(&local->mtx);
1491 ieee80211_free_next_beacon(link);
1493 /* turn off carrier for this interface and dependent VLANs */
1494 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1495 netif_carrier_off(vlan->dev);
1496 netif_carrier_off(dev);
1498 /* remove beacon and probe response */
1499 sdata->u.ap.active = false;
1500 RCU_INIT_POINTER(link->u.ap.beacon, NULL);
1501 RCU_INIT_POINTER(link->u.ap.probe_resp, NULL);
1502 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL);
1503 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL);
1504 kfree_rcu(old_beacon, rcu_head);
1506 kfree_rcu(old_probe_resp, rcu_head);
1507 if (old_fils_discovery)
1508 kfree_rcu(old_fils_discovery, rcu_head);
1509 if (old_unsol_bcast_probe_resp)
1510 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head);
1512 kfree(link_conf->ftmr_params);
1513 link_conf->ftmr_params = NULL;
1515 sdata->vif.mbssid_tx_vif = NULL;
1516 link_conf->bssid_index = 0;
1517 link_conf->nontransmitted = false;
1518 link_conf->ema_ap = false;
1519 link_conf->bssid_indicator = 0;
1521 __sta_info_flush(sdata, true);
1522 ieee80211_free_keys(sdata, true);
1524 link_conf->enable_beacon = false;
1525 sdata->beacon_rate_set = false;
1526 sdata->vif.cfg.ssid_len = 0;
1527 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1528 ieee80211_link_info_change_notify(sdata, link,
1529 BSS_CHANGED_BEACON_ENABLED);
1531 if (sdata->wdev.cac_started) {
1532 chandef = link_conf->chandef;
1533 cancel_delayed_work_sync(&link->dfs_cac_timer_work);
1534 cfg80211_cac_event(sdata->dev, &chandef,
1535 NL80211_RADAR_CAC_ABORTED,
1539 drv_stop_ap(sdata->local, sdata, link_conf);
1541 /* free all potentially still buffered bcast frames */
1542 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1543 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1545 mutex_lock(&local->mtx);
1546 ieee80211_link_copy_chanctx_to_vlans(link, true);
1547 ieee80211_link_release_channel(link);
1548 mutex_unlock(&local->mtx);
1553 static int sta_apply_auth_flags(struct ieee80211_local *local,
1554 struct sta_info *sta,
1559 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1560 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1561 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1562 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1567 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1568 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1569 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1571 * When peer becomes associated, init rate control as
1572 * well. Some drivers require rate control initialized
1573 * before drv_sta_state() is called.
1575 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1576 rate_control_rate_init(sta);
1578 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1583 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1584 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1585 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1586 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1587 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1594 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1595 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1596 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1597 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1602 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1603 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1604 test_sta_flag(sta, WLAN_STA_AUTH)) {
1605 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1613 static void sta_apply_mesh_params(struct ieee80211_local *local,
1614 struct sta_info *sta,
1615 struct station_parameters *params)
1617 #ifdef CONFIG_MAC80211_MESH
1618 struct ieee80211_sub_if_data *sdata = sta->sdata;
1621 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1622 switch (params->plink_state) {
1623 case NL80211_PLINK_ESTAB:
1624 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1625 changed = mesh_plink_inc_estab_count(sdata);
1626 sta->mesh->plink_state = params->plink_state;
1627 sta->mesh->aid = params->peer_aid;
1629 ieee80211_mps_sta_status_update(sta);
1630 changed |= ieee80211_mps_set_sta_local_pm(sta,
1631 sdata->u.mesh.mshcfg.power_mode);
1633 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1634 /* init at low value */
1635 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1638 case NL80211_PLINK_LISTEN:
1639 case NL80211_PLINK_BLOCKED:
1640 case NL80211_PLINK_OPN_SNT:
1641 case NL80211_PLINK_OPN_RCVD:
1642 case NL80211_PLINK_CNF_RCVD:
1643 case NL80211_PLINK_HOLDING:
1644 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1645 changed = mesh_plink_dec_estab_count(sdata);
1646 sta->mesh->plink_state = params->plink_state;
1648 ieee80211_mps_sta_status_update(sta);
1649 changed |= ieee80211_mps_set_sta_local_pm(sta,
1650 NL80211_MESH_POWER_UNKNOWN);
1658 switch (params->plink_action) {
1659 case NL80211_PLINK_ACTION_NO_ACTION:
1662 case NL80211_PLINK_ACTION_OPEN:
1663 changed |= mesh_plink_open(sta);
1665 case NL80211_PLINK_ACTION_BLOCK:
1666 changed |= mesh_plink_block(sta);
1670 if (params->local_pm)
1671 changed |= ieee80211_mps_set_sta_local_pm(sta,
1674 ieee80211_mbss_info_change_notify(sdata, changed);
1678 static int sta_link_apply_parameters(struct ieee80211_local *local,
1679 struct sta_info *sta, bool new_link,
1680 struct link_station_parameters *params)
1683 struct ieee80211_supported_band *sband;
1684 struct ieee80211_sub_if_data *sdata = sta->sdata;
1685 u32 link_id = params->link_id < 0 ? 0 : params->link_id;
1686 struct ieee80211_link_data *link =
1687 sdata_dereference(sdata->link[link_id], sdata);
1688 struct link_sta_info *link_sta =
1689 rcu_dereference_protected(sta->link[link_id],
1690 lockdep_is_held(&local->sta_mtx));
1693 * If there are no changes, then accept a link that doesn't exist,
1694 * unless it's a new link.
1696 if (params->link_id < 0 && !new_link &&
1697 !params->link_mac && !params->txpwr_set &&
1698 !params->supported_rates_len &&
1699 !params->ht_capa && !params->vht_capa &&
1700 !params->he_capa && !params->eht_capa &&
1701 !params->opmode_notif_used)
1704 if (!link || !link_sta)
1707 sband = ieee80211_get_link_sband(link);
1711 if (params->link_mac) {
1713 memcpy(link_sta->addr, params->link_mac, ETH_ALEN);
1714 memcpy(link_sta->pub->addr, params->link_mac, ETH_ALEN);
1715 } else if (!ether_addr_equal(link_sta->addr,
1716 params->link_mac)) {
1719 } else if (new_link) {
1723 if (params->txpwr_set) {
1724 link_sta->pub->txpwr.type = params->txpwr.type;
1725 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1726 link_sta->pub->txpwr.power = params->txpwr.power;
1727 ret = drv_sta_set_txpwr(local, sdata, sta);
1732 if (params->supported_rates &&
1733 params->supported_rates_len) {
1734 ieee80211_parse_bitrates(link->conf->chandef.width,
1735 sband, params->supported_rates,
1736 params->supported_rates_len,
1737 &link_sta->pub->supp_rates[sband->band]);
1740 if (params->ht_capa)
1741 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1742 params->ht_capa, link_sta);
1744 /* VHT can override some HT caps such as the A-MSDU max length */
1745 if (params->vht_capa)
1746 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1747 params->vht_capa, link_sta);
1749 if (params->he_capa)
1750 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1751 (void *)params->he_capa,
1752 params->he_capa_len,
1753 (void *)params->he_6ghz_capa,
1756 if (params->eht_capa)
1757 ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband,
1758 (u8 *)params->he_capa,
1759 params->he_capa_len,
1761 params->eht_capa_len,
1764 if (params->opmode_notif_used) {
1765 /* returned value is only needed for rc update, but the
1766 * rc isn't initialized here yet, so ignore it
1768 __ieee80211_vht_handle_opmode(sdata, link_sta,
1769 params->opmode_notif,
1776 static int sta_apply_parameters(struct ieee80211_local *local,
1777 struct sta_info *sta,
1778 struct station_parameters *params)
1780 struct ieee80211_sub_if_data *sdata = sta->sdata;
1784 mask = params->sta_flags_mask;
1785 set = params->sta_flags_set;
1787 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1789 * In mesh mode, ASSOCIATED isn't part of the nl80211
1790 * API but must follow AUTHENTICATED for driver state.
1792 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1793 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1794 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1795 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1796 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1798 * TDLS -- everything follows authorized, but
1799 * only becoming authorized is possible, not
1802 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1803 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1804 BIT(NL80211_STA_FLAG_ASSOCIATED);
1805 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1806 BIT(NL80211_STA_FLAG_ASSOCIATED);
1810 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1811 local->hw.queues >= IEEE80211_NUM_ACS)
1812 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1814 /* auth flags will be set later for TDLS,
1815 * and for unassociated stations that move to associated */
1816 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1817 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1818 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1819 ret = sta_apply_auth_flags(local, sta, mask, set);
1824 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1825 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1826 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1828 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1831 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1832 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1833 if (set & BIT(NL80211_STA_FLAG_MFP))
1834 set_sta_flag(sta, WLAN_STA_MFP);
1836 clear_sta_flag(sta, WLAN_STA_MFP);
1839 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1840 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1841 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1843 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1846 /* mark TDLS channel switch support, if the AP allows it */
1847 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1848 !sdata->deflink.u.mgd.tdls_chan_switch_prohibited &&
1849 params->ext_capab_len >= 4 &&
1850 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1851 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1853 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1854 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1855 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1856 params->ext_capab_len >= 8 &&
1857 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1858 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1860 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1861 sta->sta.uapsd_queues = params->uapsd_queues;
1862 sta->sta.max_sp = params->max_sp;
1865 ieee80211_sta_set_max_amsdu_subframes(sta, params->ext_capab,
1866 params->ext_capab_len);
1869 * cfg80211 validates this (1-2007) and allows setting the AID
1870 * only when creating a new station entry
1873 sta->sta.aid = params->aid;
1876 * Some of the following updates would be racy if called on an
1877 * existing station, via ieee80211_change_station(). However,
1878 * all such changes are rejected by cfg80211 except for updates
1879 * changing the supported rates on an existing but not yet used
1883 if (params->listen_interval >= 0)
1884 sta->listen_interval = params->listen_interval;
1886 ret = sta_link_apply_parameters(local, sta, false,
1887 ¶ms->link_sta_params);
1891 if (params->support_p2p_ps >= 0)
1892 sta->sta.support_p2p_ps = params->support_p2p_ps;
1894 if (ieee80211_vif_is_mesh(&sdata->vif))
1895 sta_apply_mesh_params(local, sta, params);
1897 if (params->airtime_weight)
1898 sta->airtime_weight = params->airtime_weight;
1900 /* set the STA state after all sta info from usermode has been set */
1901 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1902 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1903 ret = sta_apply_auth_flags(local, sta, mask, set);
1908 /* Mark the STA as MLO if MLD MAC address is available */
1909 if (params->link_sta_params.mld_mac)
1910 sta->sta.mlo = true;
1915 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1917 struct station_parameters *params)
1919 struct ieee80211_local *local = wiphy_priv(wiphy);
1920 struct sta_info *sta;
1921 struct ieee80211_sub_if_data *sdata;
1925 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1927 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1928 sdata->vif.type != NL80211_IFTYPE_AP)
1931 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1933 if (ether_addr_equal(mac, sdata->vif.addr))
1936 if (!is_valid_ether_addr(mac))
1939 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1940 sdata->vif.type == NL80211_IFTYPE_STATION &&
1941 !sdata->u.mgd.associated)
1945 * If we have a link ID, it can be a non-MLO station on an AP MLD,
1946 * but we need to have a link_mac in that case as well, so use the
1947 * STA's MAC address in that case.
1949 if (params->link_sta_params.link_id >= 0)
1950 sta = sta_info_alloc_with_link(sdata, mac,
1951 params->link_sta_params.link_id,
1952 params->link_sta_params.link_mac ?: mac,
1955 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1960 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1961 sta->sta.tdls = true;
1963 /* Though the mutex is not needed here (since the station is not
1964 * visible yet), sta_apply_parameters (and inner functions) require
1965 * the mutex due to other paths.
1967 mutex_lock(&local->sta_mtx);
1968 err = sta_apply_parameters(local, sta, params);
1969 mutex_unlock(&local->sta_mtx);
1971 sta_info_free(local, sta);
1976 * for TDLS and for unassociated station, rate control should be
1977 * initialized only when rates are known and station is marked
1978 * authorized/associated
1980 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1981 test_sta_flag(sta, WLAN_STA_ASSOC))
1982 rate_control_rate_init(sta);
1984 return sta_info_insert(sta);
1987 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1988 struct station_del_parameters *params)
1990 struct ieee80211_sub_if_data *sdata;
1992 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1995 return sta_info_destroy_addr_bss(sdata, params->mac);
1997 sta_info_flush(sdata);
2001 static int ieee80211_change_station(struct wiphy *wiphy,
2002 struct net_device *dev, const u8 *mac,
2003 struct station_parameters *params)
2005 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2006 struct ieee80211_local *local = wiphy_priv(wiphy);
2007 struct sta_info *sta;
2008 struct ieee80211_sub_if_data *vlansdata;
2009 enum cfg80211_station_type statype;
2012 mutex_lock(&local->sta_mtx);
2014 sta = sta_info_get_bss(sdata, mac);
2020 switch (sdata->vif.type) {
2021 case NL80211_IFTYPE_MESH_POINT:
2022 if (sdata->u.mesh.user_mpm)
2023 statype = CFG80211_STA_MESH_PEER_USER;
2025 statype = CFG80211_STA_MESH_PEER_KERNEL;
2027 case NL80211_IFTYPE_ADHOC:
2028 statype = CFG80211_STA_IBSS;
2030 case NL80211_IFTYPE_STATION:
2031 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
2032 statype = CFG80211_STA_AP_STA;
2035 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2036 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
2038 statype = CFG80211_STA_TDLS_PEER_SETUP;
2040 case NL80211_IFTYPE_AP:
2041 case NL80211_IFTYPE_AP_VLAN:
2042 if (test_sta_flag(sta, WLAN_STA_ASSOC))
2043 statype = CFG80211_STA_AP_CLIENT;
2045 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
2052 err = cfg80211_check_station_change(wiphy, params, statype);
2056 if (params->vlan && params->vlan != sta->sdata->dev) {
2057 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
2059 if (params->vlan->ieee80211_ptr->use_4addr) {
2060 if (vlansdata->u.vlan.sta) {
2065 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
2066 __ieee80211_check_fast_rx_iface(vlansdata);
2067 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
2070 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
2071 sta->sdata->u.vlan.sta) {
2072 ieee80211_clear_fast_rx(sta);
2073 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
2076 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2077 ieee80211_vif_dec_num_mcast(sta->sdata);
2079 sta->sdata = vlansdata;
2080 ieee80211_check_fast_xmit(sta);
2082 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
2083 ieee80211_vif_inc_num_mcast(sta->sdata);
2084 cfg80211_send_layer2_update(sta->sdata->dev,
2089 /* we use sta_info_get_bss() so this might be different */
2090 if (sdata != sta->sdata) {
2091 mutex_lock_nested(&sta->sdata->wdev.mtx, 1);
2092 err = sta_apply_parameters(local, sta, params);
2093 mutex_unlock(&sta->sdata->wdev.mtx);
2095 err = sta_apply_parameters(local, sta, params);
2100 mutex_unlock(&local->sta_mtx);
2102 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
2103 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
2104 ieee80211_recalc_ps(local);
2105 ieee80211_recalc_ps_vif(sdata);
2110 mutex_unlock(&local->sta_mtx);
2114 #ifdef CONFIG_MAC80211_MESH
2115 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
2116 const u8 *dst, const u8 *next_hop)
2118 struct ieee80211_sub_if_data *sdata;
2119 struct mesh_path *mpath;
2120 struct sta_info *sta;
2122 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2125 sta = sta_info_get(sdata, next_hop);
2131 mpath = mesh_path_add(sdata, dst);
2132 if (IS_ERR(mpath)) {
2134 return PTR_ERR(mpath);
2137 mesh_path_fix_nexthop(mpath, sta);
2143 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
2146 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2149 return mesh_path_del(sdata, dst);
2151 mesh_path_flush_by_iface(sdata);
2155 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
2156 const u8 *dst, const u8 *next_hop)
2158 struct ieee80211_sub_if_data *sdata;
2159 struct mesh_path *mpath;
2160 struct sta_info *sta;
2162 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2166 sta = sta_info_get(sdata, next_hop);
2172 mpath = mesh_path_lookup(sdata, dst);
2178 mesh_path_fix_nexthop(mpath, sta);
2184 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
2185 struct mpath_info *pinfo)
2187 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
2190 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
2192 eth_zero_addr(next_hop);
2194 memset(pinfo, 0, sizeof(*pinfo));
2196 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
2198 pinfo->filled = MPATH_INFO_FRAME_QLEN |
2201 MPATH_INFO_EXPTIME |
2202 MPATH_INFO_DISCOVERY_TIMEOUT |
2203 MPATH_INFO_DISCOVERY_RETRIES |
2205 MPATH_INFO_HOP_COUNT |
2206 MPATH_INFO_PATH_CHANGE;
2208 pinfo->frame_qlen = mpath->frame_queue.qlen;
2209 pinfo->sn = mpath->sn;
2210 pinfo->metric = mpath->metric;
2211 if (time_before(jiffies, mpath->exp_time))
2212 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
2213 pinfo->discovery_timeout =
2214 jiffies_to_msecs(mpath->discovery_timeout);
2215 pinfo->discovery_retries = mpath->discovery_retries;
2216 if (mpath->flags & MESH_PATH_ACTIVE)
2217 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
2218 if (mpath->flags & MESH_PATH_RESOLVING)
2219 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
2220 if (mpath->flags & MESH_PATH_SN_VALID)
2221 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
2222 if (mpath->flags & MESH_PATH_FIXED)
2223 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
2224 if (mpath->flags & MESH_PATH_RESOLVED)
2225 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
2226 pinfo->hop_count = mpath->hop_count;
2227 pinfo->path_change_count = mpath->path_change_count;
2230 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
2231 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
2234 struct ieee80211_sub_if_data *sdata;
2235 struct mesh_path *mpath;
2237 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2240 mpath = mesh_path_lookup(sdata, dst);
2245 memcpy(dst, mpath->dst, ETH_ALEN);
2246 mpath_set_pinfo(mpath, next_hop, pinfo);
2251 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
2252 int idx, u8 *dst, u8 *next_hop,
2253 struct mpath_info *pinfo)
2255 struct ieee80211_sub_if_data *sdata;
2256 struct mesh_path *mpath;
2258 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2261 mpath = mesh_path_lookup_by_idx(sdata, idx);
2266 memcpy(dst, mpath->dst, ETH_ALEN);
2267 mpath_set_pinfo(mpath, next_hop, pinfo);
2272 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
2273 struct mpath_info *pinfo)
2275 memset(pinfo, 0, sizeof(*pinfo));
2276 memcpy(mpp, mpath->mpp, ETH_ALEN);
2278 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
2281 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
2282 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
2285 struct ieee80211_sub_if_data *sdata;
2286 struct mesh_path *mpath;
2288 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2291 mpath = mpp_path_lookup(sdata, dst);
2296 memcpy(dst, mpath->dst, ETH_ALEN);
2297 mpp_set_pinfo(mpath, mpp, pinfo);
2302 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
2303 int idx, u8 *dst, u8 *mpp,
2304 struct mpath_info *pinfo)
2306 struct ieee80211_sub_if_data *sdata;
2307 struct mesh_path *mpath;
2309 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2312 mpath = mpp_path_lookup_by_idx(sdata, idx);
2317 memcpy(dst, mpath->dst, ETH_ALEN);
2318 mpp_set_pinfo(mpath, mpp, pinfo);
2323 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
2324 struct net_device *dev,
2325 struct mesh_config *conf)
2327 struct ieee80211_sub_if_data *sdata;
2328 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2330 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
2334 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
2336 return (mask >> (parm-1)) & 0x1;
2339 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
2340 const struct mesh_setup *setup)
2343 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
2344 struct ieee80211_sub_if_data, u.mesh);
2347 /* allocate information elements */
2350 if (setup->ie_len) {
2351 new_ie = kmemdup(setup->ie, setup->ie_len,
2356 ifmsh->ie_len = setup->ie_len;
2359 /* now copy the rest of the setup parameters */
2360 ifmsh->mesh_id_len = setup->mesh_id_len;
2361 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
2362 ifmsh->mesh_sp_id = setup->sync_method;
2363 ifmsh->mesh_pp_id = setup->path_sel_proto;
2364 ifmsh->mesh_pm_id = setup->path_metric;
2365 ifmsh->user_mpm = setup->user_mpm;
2366 ifmsh->mesh_auth_id = setup->auth_id;
2367 ifmsh->security = IEEE80211_MESH_SEC_NONE;
2368 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
2369 if (setup->is_authenticated)
2370 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
2371 if (setup->is_secure)
2372 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
2374 /* mcast rate setting in Mesh Node */
2375 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2376 sizeof(setup->mcast_rate));
2377 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2379 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2380 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2382 sdata->beacon_rate_set = false;
2383 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2384 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2385 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2386 sdata->beacon_rateidx_mask[i] =
2387 setup->beacon_rate.control[i].legacy;
2388 if (sdata->beacon_rateidx_mask[i])
2389 sdata->beacon_rate_set = true;
2396 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2397 struct net_device *dev, u32 mask,
2398 const struct mesh_config *nconf)
2400 struct mesh_config *conf;
2401 struct ieee80211_sub_if_data *sdata;
2402 struct ieee80211_if_mesh *ifmsh;
2404 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2405 ifmsh = &sdata->u.mesh;
2407 /* Set the config options which we are interested in setting */
2408 conf = &(sdata->u.mesh.mshcfg);
2409 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2410 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2411 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2412 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2413 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2414 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2415 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2416 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2417 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2418 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2419 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2420 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2421 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2422 conf->element_ttl = nconf->element_ttl;
2423 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2424 if (ifmsh->user_mpm)
2426 conf->auto_open_plinks = nconf->auto_open_plinks;
2428 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2429 conf->dot11MeshNbrOffsetMaxNeighbor =
2430 nconf->dot11MeshNbrOffsetMaxNeighbor;
2431 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2432 conf->dot11MeshHWMPmaxPREQretries =
2433 nconf->dot11MeshHWMPmaxPREQretries;
2434 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2435 conf->path_refresh_time = nconf->path_refresh_time;
2436 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2437 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2438 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2439 conf->dot11MeshHWMPactivePathTimeout =
2440 nconf->dot11MeshHWMPactivePathTimeout;
2441 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2442 conf->dot11MeshHWMPpreqMinInterval =
2443 nconf->dot11MeshHWMPpreqMinInterval;
2444 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2445 conf->dot11MeshHWMPperrMinInterval =
2446 nconf->dot11MeshHWMPperrMinInterval;
2447 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2449 conf->dot11MeshHWMPnetDiameterTraversalTime =
2450 nconf->dot11MeshHWMPnetDiameterTraversalTime;
2451 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2452 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2453 ieee80211_mesh_root_setup(ifmsh);
2455 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2456 /* our current gate announcement implementation rides on root
2457 * announcements, so require this ifmsh to also be a root node
2459 if (nconf->dot11MeshGateAnnouncementProtocol &&
2460 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2461 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2462 ieee80211_mesh_root_setup(ifmsh);
2464 conf->dot11MeshGateAnnouncementProtocol =
2465 nconf->dot11MeshGateAnnouncementProtocol;
2467 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2468 conf->dot11MeshHWMPRannInterval =
2469 nconf->dot11MeshHWMPRannInterval;
2470 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2471 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2472 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2473 /* our RSSI threshold implementation is supported only for
2474 * devices that report signal in dBm.
2476 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2478 conf->rssi_threshold = nconf->rssi_threshold;
2480 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2481 conf->ht_opmode = nconf->ht_opmode;
2482 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2483 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
2486 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2487 conf->dot11MeshHWMPactivePathToRootTimeout =
2488 nconf->dot11MeshHWMPactivePathToRootTimeout;
2489 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2490 conf->dot11MeshHWMProotInterval =
2491 nconf->dot11MeshHWMProotInterval;
2492 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2493 conf->dot11MeshHWMPconfirmationInterval =
2494 nconf->dot11MeshHWMPconfirmationInterval;
2495 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2496 conf->power_mode = nconf->power_mode;
2497 ieee80211_mps_local_status_update(sdata);
2499 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2500 conf->dot11MeshAwakeWindowDuration =
2501 nconf->dot11MeshAwakeWindowDuration;
2502 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2503 conf->plink_timeout = nconf->plink_timeout;
2504 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2505 conf->dot11MeshConnectedToMeshGate =
2506 nconf->dot11MeshConnectedToMeshGate;
2507 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
2508 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2509 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2510 conf->dot11MeshConnectedToAuthServer =
2511 nconf->dot11MeshConnectedToAuthServer;
2512 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2516 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2517 const struct mesh_config *conf,
2518 const struct mesh_setup *setup)
2520 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2521 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2524 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2525 err = copy_mesh_setup(ifmsh, setup);
2529 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2531 /* can mesh use other SMPS modes? */
2532 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
2533 sdata->deflink.needed_rx_chains = sdata->local->rx_chains;
2535 mutex_lock(&sdata->local->mtx);
2536 err = ieee80211_link_use_channel(&sdata->deflink, &setup->chandef,
2537 IEEE80211_CHANCTX_SHARED);
2538 mutex_unlock(&sdata->local->mtx);
2542 return ieee80211_start_mesh(sdata);
2545 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2547 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2549 ieee80211_stop_mesh(sdata);
2550 mutex_lock(&sdata->local->mtx);
2551 ieee80211_link_release_channel(&sdata->deflink);
2552 kfree(sdata->u.mesh.ie);
2553 mutex_unlock(&sdata->local->mtx);
2559 static int ieee80211_change_bss(struct wiphy *wiphy,
2560 struct net_device *dev,
2561 struct bss_parameters *params)
2563 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2564 struct ieee80211_link_data *link;
2565 struct ieee80211_supported_band *sband;
2568 link = ieee80211_link_or_deflink(sdata, params->link_id, true);
2570 return PTR_ERR(link);
2572 if (!sdata_dereference(link->u.ap.beacon, sdata))
2575 sband = ieee80211_get_link_sband(link);
2579 if (params->use_cts_prot >= 0) {
2580 link->conf->use_cts_prot = params->use_cts_prot;
2581 changed |= BSS_CHANGED_ERP_CTS_PROT;
2583 if (params->use_short_preamble >= 0) {
2584 link->conf->use_short_preamble = params->use_short_preamble;
2585 changed |= BSS_CHANGED_ERP_PREAMBLE;
2588 if (!link->conf->use_short_slot &&
2589 (sband->band == NL80211_BAND_5GHZ ||
2590 sband->band == NL80211_BAND_6GHZ)) {
2591 link->conf->use_short_slot = true;
2592 changed |= BSS_CHANGED_ERP_SLOT;
2595 if (params->use_short_slot_time >= 0) {
2596 link->conf->use_short_slot = params->use_short_slot_time;
2597 changed |= BSS_CHANGED_ERP_SLOT;
2600 if (params->basic_rates) {
2601 ieee80211_parse_bitrates(link->conf->chandef.width,
2602 wiphy->bands[sband->band],
2603 params->basic_rates,
2604 params->basic_rates_len,
2605 &link->conf->basic_rates);
2606 changed |= BSS_CHANGED_BASIC_RATES;
2607 ieee80211_check_rate_mask(link);
2610 if (params->ap_isolate >= 0) {
2611 if (params->ap_isolate)
2612 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2614 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2615 ieee80211_check_fast_rx_iface(sdata);
2618 if (params->ht_opmode >= 0) {
2619 link->conf->ht_operation_mode = (u16)params->ht_opmode;
2620 changed |= BSS_CHANGED_HT;
2623 if (params->p2p_ctwindow >= 0) {
2624 link->conf->p2p_noa_attr.oppps_ctwindow &=
2625 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2626 link->conf->p2p_noa_attr.oppps_ctwindow |=
2627 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2628 changed |= BSS_CHANGED_P2P_PS;
2631 if (params->p2p_opp_ps > 0) {
2632 link->conf->p2p_noa_attr.oppps_ctwindow |=
2633 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2634 changed |= BSS_CHANGED_P2P_PS;
2635 } else if (params->p2p_opp_ps == 0) {
2636 link->conf->p2p_noa_attr.oppps_ctwindow &=
2637 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2638 changed |= BSS_CHANGED_P2P_PS;
2641 ieee80211_link_info_change_notify(sdata, link, changed);
2646 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2647 struct net_device *dev,
2648 struct ieee80211_txq_params *params)
2650 struct ieee80211_local *local = wiphy_priv(wiphy);
2651 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2652 struct ieee80211_link_data *link =
2653 ieee80211_link_or_deflink(sdata, params->link_id, true);
2654 struct ieee80211_tx_queue_params p;
2656 if (!local->ops->conf_tx)
2659 if (local->hw.queues < IEEE80211_NUM_ACS)
2663 return PTR_ERR(link);
2665 memset(&p, 0, sizeof(p));
2666 p.aifs = params->aifs;
2667 p.cw_max = params->cwmax;
2668 p.cw_min = params->cwmin;
2669 p.txop = params->txop;
2672 * Setting tx queue params disables u-apsd because it's only
2673 * called in master mode.
2677 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2679 link->tx_conf[params->ac] = p;
2680 if (drv_conf_tx(local, link, params->ac, &p)) {
2681 wiphy_debug(local->hw.wiphy,
2682 "failed to set TX queue parameters for AC %d\n",
2687 ieee80211_link_info_change_notify(sdata, link,
2694 static int ieee80211_suspend(struct wiphy *wiphy,
2695 struct cfg80211_wowlan *wowlan)
2697 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2700 static int ieee80211_resume(struct wiphy *wiphy)
2702 return __ieee80211_resume(wiphy_priv(wiphy));
2705 #define ieee80211_suspend NULL
2706 #define ieee80211_resume NULL
2709 static int ieee80211_scan(struct wiphy *wiphy,
2710 struct cfg80211_scan_request *req)
2712 struct ieee80211_sub_if_data *sdata;
2714 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2716 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2717 case NL80211_IFTYPE_STATION:
2718 case NL80211_IFTYPE_ADHOC:
2719 case NL80211_IFTYPE_MESH_POINT:
2720 case NL80211_IFTYPE_P2P_CLIENT:
2721 case NL80211_IFTYPE_P2P_DEVICE:
2723 case NL80211_IFTYPE_P2P_GO:
2724 if (sdata->local->ops->hw_scan)
2727 * FIXME: implement NoA while scanning in software,
2728 * for now fall through to allow scanning only when
2729 * beaconing hasn't been configured yet
2732 case NL80211_IFTYPE_AP:
2734 * If the scan has been forced (and the driver supports
2735 * forcing), don't care about being beaconing already.
2736 * This will create problems to the attached stations (e.g. all
2737 * the frames sent while scanning on other channel will be
2740 if (sdata->deflink.u.ap.beacon &&
2741 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2742 !(req->flags & NL80211_SCAN_FLAG_AP)))
2745 case NL80211_IFTYPE_NAN:
2750 return ieee80211_request_scan(sdata, req);
2753 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2755 ieee80211_scan_cancel(wiphy_priv(wiphy));
2759 ieee80211_sched_scan_start(struct wiphy *wiphy,
2760 struct net_device *dev,
2761 struct cfg80211_sched_scan_request *req)
2763 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2765 if (!sdata->local->ops->sched_scan_start)
2768 return ieee80211_request_sched_scan_start(sdata, req);
2772 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2775 struct ieee80211_local *local = wiphy_priv(wiphy);
2777 if (!local->ops->sched_scan_stop)
2780 return ieee80211_request_sched_scan_stop(local);
2783 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2784 struct cfg80211_auth_request *req)
2786 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2789 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2790 struct cfg80211_assoc_request *req)
2792 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2795 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2796 struct cfg80211_deauth_request *req)
2798 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2801 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2802 struct cfg80211_disassoc_request *req)
2804 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2807 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2808 struct cfg80211_ibss_params *params)
2810 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2813 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2815 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2818 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2819 struct ocb_setup *setup)
2821 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2824 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2826 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2829 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2830 int rate[NUM_NL80211_BANDS])
2832 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2834 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2835 sizeof(int) * NUM_NL80211_BANDS);
2837 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
2838 BSS_CHANGED_MCAST_RATE);
2843 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2845 struct ieee80211_local *local = wiphy_priv(wiphy);
2848 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2849 ieee80211_check_fast_xmit_all(local);
2851 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2854 ieee80211_check_fast_xmit_all(local);
2859 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2860 (changed & WIPHY_PARAM_DYN_ACK)) {
2863 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2864 wiphy->coverage_class : -1;
2865 err = drv_set_coverage_class(local, coverage_class);
2871 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2872 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2878 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2879 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2881 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2883 if (changed & WIPHY_PARAM_RETRY_LONG) {
2884 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2886 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2889 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2890 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2892 if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2893 WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2894 WIPHY_PARAM_TXQ_QUANTUM))
2895 ieee80211_txq_set_params(local);
2900 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2901 struct wireless_dev *wdev,
2902 enum nl80211_tx_power_setting type, int mbm)
2904 struct ieee80211_local *local = wiphy_priv(wiphy);
2905 struct ieee80211_sub_if_data *sdata;
2906 enum nl80211_tx_power_setting txp_type = type;
2907 bool update_txp_type = false;
2908 bool has_monitor = false;
2911 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2913 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2914 sdata = wiphy_dereference(local->hw.wiphy,
2915 local->monitor_sdata);
2921 case NL80211_TX_POWER_AUTOMATIC:
2922 sdata->deflink.user_power_level =
2923 IEEE80211_UNSET_POWER_LEVEL;
2924 txp_type = NL80211_TX_POWER_LIMITED;
2926 case NL80211_TX_POWER_LIMITED:
2927 case NL80211_TX_POWER_FIXED:
2928 if (mbm < 0 || (mbm % 100))
2930 sdata->deflink.user_power_level = MBM_TO_DBM(mbm);
2934 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2935 update_txp_type = true;
2936 sdata->vif.bss_conf.txpower_type = txp_type;
2939 ieee80211_recalc_txpower(sdata, update_txp_type);
2945 case NL80211_TX_POWER_AUTOMATIC:
2946 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2947 txp_type = NL80211_TX_POWER_LIMITED;
2949 case NL80211_TX_POWER_LIMITED:
2950 case NL80211_TX_POWER_FIXED:
2951 if (mbm < 0 || (mbm % 100))
2953 local->user_power_level = MBM_TO_DBM(mbm);
2957 mutex_lock(&local->iflist_mtx);
2958 list_for_each_entry(sdata, &local->interfaces, list) {
2959 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2963 sdata->deflink.user_power_level = local->user_power_level;
2964 if (txp_type != sdata->vif.bss_conf.txpower_type)
2965 update_txp_type = true;
2966 sdata->vif.bss_conf.txpower_type = txp_type;
2968 list_for_each_entry(sdata, &local->interfaces, list) {
2969 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2971 ieee80211_recalc_txpower(sdata, update_txp_type);
2973 mutex_unlock(&local->iflist_mtx);
2976 sdata = wiphy_dereference(local->hw.wiphy,
2977 local->monitor_sdata);
2979 sdata->deflink.user_power_level = local->user_power_level;
2980 if (txp_type != sdata->vif.bss_conf.txpower_type)
2981 update_txp_type = true;
2982 sdata->vif.bss_conf.txpower_type = txp_type;
2984 ieee80211_recalc_txpower(sdata, update_txp_type);
2991 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2992 struct wireless_dev *wdev,
2995 struct ieee80211_local *local = wiphy_priv(wiphy);
2996 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2998 if (local->ops->get_txpower)
2999 return drv_get_txpower(local, sdata, dbm);
3001 if (!local->use_chanctx)
3002 *dbm = local->hw.conf.power_level;
3004 *dbm = sdata->vif.bss_conf.txpower;
3009 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
3011 struct ieee80211_local *local = wiphy_priv(wiphy);
3013 drv_rfkill_poll(local);
3016 #ifdef CONFIG_NL80211_TESTMODE
3017 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
3018 struct wireless_dev *wdev,
3019 void *data, int len)
3021 struct ieee80211_local *local = wiphy_priv(wiphy);
3022 struct ieee80211_vif *vif = NULL;
3024 if (!local->ops->testmode_cmd)
3028 struct ieee80211_sub_if_data *sdata;
3030 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3031 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
3035 return local->ops->testmode_cmd(&local->hw, vif, data, len);
3038 static int ieee80211_testmode_dump(struct wiphy *wiphy,
3039 struct sk_buff *skb,
3040 struct netlink_callback *cb,
3041 void *data, int len)
3043 struct ieee80211_local *local = wiphy_priv(wiphy);
3045 if (!local->ops->testmode_dump)
3048 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
3052 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
3053 struct ieee80211_link_data *link,
3054 enum ieee80211_smps_mode smps_mode)
3057 enum ieee80211_smps_mode old_req;
3059 struct sta_info *sta;
3060 bool tdls_peer_found = false;
3062 lockdep_assert_held(&sdata->wdev.mtx);
3064 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
3067 old_req = link->u.mgd.req_smps;
3068 link->u.mgd.req_smps = smps_mode;
3070 if (old_req == smps_mode &&
3071 smps_mode != IEEE80211_SMPS_AUTOMATIC)
3075 * If not associated, or current association is not an HT
3076 * association, there's no need to do anything, just store
3077 * the new value until we associate.
3079 if (!sdata->u.mgd.associated ||
3080 link->conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
3083 ap = link->u.mgd.bssid;
3086 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
3087 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
3088 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
3091 tdls_peer_found = true;
3096 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
3097 if (tdls_peer_found || !sdata->u.mgd.powersave)
3098 smps_mode = IEEE80211_SMPS_OFF;
3100 smps_mode = IEEE80211_SMPS_DYNAMIC;
3103 /* send SM PS frame to AP */
3104 err = ieee80211_send_smps_action(sdata, smps_mode,
3107 link->u.mgd.req_smps = old_req;
3108 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
3109 ieee80211_teardown_tdls_peers(sdata);
3114 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
3115 bool enabled, int timeout)
3117 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3118 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
3119 unsigned int link_id;
3121 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3124 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
3127 if (enabled == sdata->u.mgd.powersave &&
3128 timeout == local->dynamic_ps_forced_timeout)
3131 sdata->u.mgd.powersave = enabled;
3132 local->dynamic_ps_forced_timeout = timeout;
3134 /* no change, but if automatic follow powersave */
3136 for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) {
3137 struct ieee80211_link_data *link;
3139 link = sdata_dereference(sdata->link[link_id], sdata);
3143 __ieee80211_request_smps_mgd(sdata, link,
3144 link->u.mgd.req_smps);
3146 sdata_unlock(sdata);
3148 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
3149 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
3151 ieee80211_recalc_ps(local);
3152 ieee80211_recalc_ps_vif(sdata);
3153 ieee80211_check_fast_rx_iface(sdata);
3158 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
3159 struct net_device *dev,
3160 s32 rssi_thold, u32 rssi_hyst)
3162 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3163 struct ieee80211_vif *vif = &sdata->vif;
3164 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
3166 if (rssi_thold == bss_conf->cqm_rssi_thold &&
3167 rssi_hyst == bss_conf->cqm_rssi_hyst)
3170 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
3171 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
3174 bss_conf->cqm_rssi_thold = rssi_thold;
3175 bss_conf->cqm_rssi_hyst = rssi_hyst;
3176 bss_conf->cqm_rssi_low = 0;
3177 bss_conf->cqm_rssi_high = 0;
3178 sdata->deflink.u.mgd.last_cqm_event_signal = 0;
3180 /* tell the driver upon association, unless already associated */
3181 if (sdata->u.mgd.associated &&
3182 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
3183 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
3189 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
3190 struct net_device *dev,
3191 s32 rssi_low, s32 rssi_high)
3193 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3194 struct ieee80211_vif *vif = &sdata->vif;
3195 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
3197 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
3200 bss_conf->cqm_rssi_low = rssi_low;
3201 bss_conf->cqm_rssi_high = rssi_high;
3202 bss_conf->cqm_rssi_thold = 0;
3203 bss_conf->cqm_rssi_hyst = 0;
3204 sdata->deflink.u.mgd.last_cqm_event_signal = 0;
3206 /* tell the driver upon association, unless already associated */
3207 if (sdata->u.mgd.associated &&
3208 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
3209 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
3215 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
3216 struct net_device *dev,
3217 unsigned int link_id,
3219 const struct cfg80211_bitrate_mask *mask)
3221 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3222 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
3225 if (!ieee80211_sdata_running(sdata))
3229 * If active validate the setting and reject it if it doesn't leave
3230 * at least one basic rate usable, since we really have to be able
3231 * to send something, and if we're an AP we have to be able to do
3232 * so at a basic rate so that all clients can receive it.
3234 if (rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf) &&
3235 sdata->vif.bss_conf.chandef.chan) {
3236 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
3237 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
3239 if (!(mask->control[band].legacy & basic_rates))
3243 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
3244 ret = drv_set_bitrate_mask(local, sdata, mask);
3249 for (i = 0; i < NUM_NL80211_BANDS; i++) {
3250 struct ieee80211_supported_band *sband = wiphy->bands[i];
3253 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
3254 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
3255 sizeof(mask->control[i].ht_mcs));
3256 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
3257 mask->control[i].vht_mcs,
3258 sizeof(mask->control[i].vht_mcs));
3260 sdata->rc_has_mcs_mask[i] = false;
3261 sdata->rc_has_vht_mcs_mask[i] = false;
3265 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
3266 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
3267 sdata->rc_has_mcs_mask[i] = true;
3272 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
3273 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
3274 sdata->rc_has_vht_mcs_mask[i] = true;
3283 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
3284 struct net_device *dev,
3285 struct cfg80211_chan_def *chandef,
3288 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3289 struct ieee80211_local *local = sdata->local;
3292 mutex_lock(&local->mtx);
3293 if (!list_empty(&local->roc_list) || local->scanning) {
3298 /* whatever, but channel contexts should not complain about that one */
3299 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
3300 sdata->deflink.needed_rx_chains = local->rx_chains;
3302 err = ieee80211_link_use_channel(&sdata->deflink, chandef,
3303 IEEE80211_CHANCTX_SHARED);
3307 ieee80211_queue_delayed_work(&sdata->local->hw,
3308 &sdata->deflink.dfs_cac_timer_work,
3309 msecs_to_jiffies(cac_time_ms));
3312 mutex_unlock(&local->mtx);
3316 static void ieee80211_end_cac(struct wiphy *wiphy,
3317 struct net_device *dev)
3319 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3320 struct ieee80211_local *local = sdata->local;
3322 mutex_lock(&local->mtx);
3323 list_for_each_entry(sdata, &local->interfaces, list) {
3324 /* it might be waiting for the local->mtx, but then
3325 * by the time it gets it, sdata->wdev.cac_started
3326 * will no longer be true
3328 cancel_delayed_work(&sdata->deflink.dfs_cac_timer_work);
3330 if (sdata->wdev.cac_started) {
3331 ieee80211_link_release_channel(&sdata->deflink);
3332 sdata->wdev.cac_started = false;
3335 mutex_unlock(&local->mtx);
3338 static struct cfg80211_beacon_data *
3339 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
3341 struct cfg80211_beacon_data *new_beacon;
3345 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
3346 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
3347 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len +
3348 ieee80211_get_mbssid_beacon_len(beacon->mbssid_ies);
3350 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
3354 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) {
3355 new_beacon->mbssid_ies =
3356 kzalloc(struct_size(new_beacon->mbssid_ies,
3357 elem, beacon->mbssid_ies->cnt),
3359 if (!new_beacon->mbssid_ies) {
3365 pos = (u8 *)(new_beacon + 1);
3366 if (beacon->head_len) {
3367 new_beacon->head_len = beacon->head_len;
3368 new_beacon->head = pos;
3369 memcpy(pos, beacon->head, beacon->head_len);
3370 pos += beacon->head_len;
3372 if (beacon->tail_len) {
3373 new_beacon->tail_len = beacon->tail_len;
3374 new_beacon->tail = pos;
3375 memcpy(pos, beacon->tail, beacon->tail_len);
3376 pos += beacon->tail_len;
3378 if (beacon->beacon_ies_len) {
3379 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3380 new_beacon->beacon_ies = pos;
3381 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3382 pos += beacon->beacon_ies_len;
3384 if (beacon->proberesp_ies_len) {
3385 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3386 new_beacon->proberesp_ies = pos;
3387 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3388 pos += beacon->proberesp_ies_len;
3390 if (beacon->assocresp_ies_len) {
3391 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3392 new_beacon->assocresp_ies = pos;
3393 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3394 pos += beacon->assocresp_ies_len;
3396 if (beacon->probe_resp_len) {
3397 new_beacon->probe_resp_len = beacon->probe_resp_len;
3398 new_beacon->probe_resp = pos;
3399 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3400 pos += beacon->probe_resp_len;
3402 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt)
3403 pos += ieee80211_copy_mbssid_beacon(pos,
3404 new_beacon->mbssid_ies,
3405 beacon->mbssid_ies);
3407 /* might copy -1, meaning no changes requested */
3408 new_beacon->ftm_responder = beacon->ftm_responder;
3410 new_beacon->lci_len = beacon->lci_len;
3411 new_beacon->lci = pos;
3412 memcpy(pos, beacon->lci, beacon->lci_len);
3413 pos += beacon->lci_len;
3415 if (beacon->civicloc) {
3416 new_beacon->civicloc_len = beacon->civicloc_len;
3417 new_beacon->civicloc = pos;
3418 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3419 pos += beacon->civicloc_len;
3425 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3427 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3428 struct ieee80211_local *local = sdata->local;
3432 if (vif->mbssid_tx_vif == vif) {
3433 /* Trigger ieee80211_csa_finish() on the non-transmitting
3434 * interfaces when channel switch is received on
3435 * transmitting interface
3437 struct ieee80211_sub_if_data *iter;
3439 list_for_each_entry_rcu(iter, &local->interfaces, list) {
3440 if (!ieee80211_sdata_running(iter))
3443 if (iter == sdata || iter->vif.mbssid_tx_vif != vif)
3446 ieee80211_queue_work(&iter->local->hw,
3447 &iter->deflink.csa_finalize_work);
3450 ieee80211_queue_work(&local->hw, &sdata->deflink.csa_finalize_work);
3454 EXPORT_SYMBOL(ieee80211_csa_finish);
3456 void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif, bool block_tx)
3458 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3459 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3460 struct ieee80211_local *local = sdata->local;
3462 sdata->deflink.csa_block_tx = block_tx;
3463 sdata_info(sdata, "channel switch failed, disconnecting\n");
3464 ieee80211_queue_work(&local->hw, &ifmgd->csa_connection_drop_work);
3466 EXPORT_SYMBOL(ieee80211_channel_switch_disconnect);
3468 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3473 switch (sdata->vif.type) {
3474 case NL80211_IFTYPE_AP:
3475 if (!sdata->deflink.u.ap.next_beacon)
3478 err = ieee80211_assign_beacon(sdata, &sdata->deflink,
3479 sdata->deflink.u.ap.next_beacon,
3481 ieee80211_free_next_beacon(&sdata->deflink);
3487 case NL80211_IFTYPE_ADHOC:
3488 err = ieee80211_ibss_finish_csa(sdata);
3493 #ifdef CONFIG_MAC80211_MESH
3494 case NL80211_IFTYPE_MESH_POINT:
3495 err = ieee80211_mesh_finish_csa(sdata);
3509 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3511 struct ieee80211_local *local = sdata->local;
3515 sdata_assert_lock(sdata);
3516 lockdep_assert_held(&local->mtx);
3517 lockdep_assert_held(&local->chanctx_mtx);
3520 * using reservation isn't immediate as it may be deferred until later
3521 * with multi-vif. once reservation is complete it will re-schedule the
3522 * work with no reserved_chanctx so verify chandef to check if it
3523 * completed successfully
3526 if (sdata->deflink.reserved_chanctx) {
3528 * with multi-vif csa driver may call ieee80211_csa_finish()
3529 * many times while waiting for other interfaces to use their
3532 if (sdata->deflink.reserved_ready)
3535 return ieee80211_link_use_reserved_context(&sdata->deflink);
3538 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3539 &sdata->deflink.csa_chandef))
3542 sdata->vif.bss_conf.csa_active = false;
3544 err = ieee80211_set_after_csa_beacon(sdata, &changed);
3548 ieee80211_link_info_change_notify(sdata, &sdata->deflink, changed);
3550 if (sdata->deflink.csa_block_tx) {
3551 ieee80211_wake_vif_queues(local, sdata,
3552 IEEE80211_QUEUE_STOP_REASON_CSA);
3553 sdata->deflink.csa_block_tx = false;
3556 err = drv_post_channel_switch(sdata);
3560 cfg80211_ch_switch_notify(sdata->dev, &sdata->deflink.csa_chandef, 0);
3565 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3567 if (__ieee80211_csa_finalize(sdata)) {
3568 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3569 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3574 void ieee80211_csa_finalize_work(struct work_struct *work)
3576 struct ieee80211_sub_if_data *sdata =
3577 container_of(work, struct ieee80211_sub_if_data,
3578 deflink.csa_finalize_work);
3579 struct ieee80211_local *local = sdata->local;
3582 mutex_lock(&local->mtx);
3583 mutex_lock(&local->chanctx_mtx);
3585 /* AP might have been stopped while waiting for the lock. */
3586 if (!sdata->vif.bss_conf.csa_active)
3589 if (!ieee80211_sdata_running(sdata))
3592 ieee80211_csa_finalize(sdata);
3595 mutex_unlock(&local->chanctx_mtx);
3596 mutex_unlock(&local->mtx);
3597 sdata_unlock(sdata);
3600 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3601 struct cfg80211_csa_settings *params,
3604 struct ieee80211_csa_settings csa = {};
3607 switch (sdata->vif.type) {
3608 case NL80211_IFTYPE_AP:
3609 sdata->deflink.u.ap.next_beacon =
3610 cfg80211_beacon_dup(¶ms->beacon_after);
3611 if (!sdata->deflink.u.ap.next_beacon)
3615 * With a count of 0, we don't have to wait for any
3616 * TBTT before switching, so complete the CSA
3617 * immediately. In theory, with a count == 1 we
3618 * should delay the switch until just before the next
3619 * TBTT, but that would complicate things so we switch
3620 * immediately too. If we would delay the switch
3621 * until the next TBTT, we would have to set the probe
3624 * TODO: A channel switch with count <= 1 without
3625 * sending a CSA action frame is kind of useless,
3626 * because the clients won't know we're changing
3627 * channels. The action frame must be implemented
3628 * either here or in the userspace.
3630 if (params->count <= 1)
3633 if ((params->n_counter_offsets_beacon >
3634 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
3635 (params->n_counter_offsets_presp >
3636 IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) {
3637 ieee80211_free_next_beacon(&sdata->deflink);
3641 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3642 csa.counter_offsets_presp = params->counter_offsets_presp;
3643 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3644 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3645 csa.count = params->count;
3647 err = ieee80211_assign_beacon(sdata, &sdata->deflink,
3648 ¶ms->beacon_csa, &csa,
3651 ieee80211_free_next_beacon(&sdata->deflink);
3657 case NL80211_IFTYPE_ADHOC:
3658 if (!sdata->vif.cfg.ibss_joined)
3661 if (params->chandef.width != sdata->u.ibss.chandef.width)
3664 switch (params->chandef.width) {
3665 case NL80211_CHAN_WIDTH_40:
3666 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3667 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3670 case NL80211_CHAN_WIDTH_5:
3671 case NL80211_CHAN_WIDTH_10:
3672 case NL80211_CHAN_WIDTH_20_NOHT:
3673 case NL80211_CHAN_WIDTH_20:
3679 /* changes into another band are not supported */
3680 if (sdata->u.ibss.chandef.chan->band !=
3681 params->chandef.chan->band)
3684 /* see comments in the NL80211_IFTYPE_AP block */
3685 if (params->count > 1) {
3686 err = ieee80211_ibss_csa_beacon(sdata, params);
3692 ieee80211_send_action_csa(sdata, params);
3695 #ifdef CONFIG_MAC80211_MESH
3696 case NL80211_IFTYPE_MESH_POINT: {
3697 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3699 /* changes into another band are not supported */
3700 if (sdata->vif.bss_conf.chandef.chan->band !=
3701 params->chandef.chan->band)
3704 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3705 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3706 if (!ifmsh->pre_value)
3707 ifmsh->pre_value = 1;
3712 /* see comments in the NL80211_IFTYPE_AP block */
3713 if (params->count > 1) {
3714 err = ieee80211_mesh_csa_beacon(sdata, params);
3716 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3722 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3723 ieee80211_send_action_csa(sdata, params);
3735 static void ieee80211_color_change_abort(struct ieee80211_sub_if_data *sdata)
3737 sdata->vif.bss_conf.color_change_active = false;
3739 ieee80211_free_next_beacon(&sdata->deflink);
3741 cfg80211_color_change_aborted_notify(sdata->dev);
3745 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3746 struct cfg80211_csa_settings *params)
3748 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3749 struct ieee80211_local *local = sdata->local;
3750 struct ieee80211_channel_switch ch_switch;
3751 struct ieee80211_chanctx_conf *conf;
3752 struct ieee80211_chanctx *chanctx;
3756 sdata_assert_lock(sdata);
3757 lockdep_assert_held(&local->mtx);
3759 if (!list_empty(&local->roc_list) || local->scanning)
3762 if (sdata->wdev.cac_started)
3765 if (cfg80211_chandef_identical(¶ms->chandef,
3766 &sdata->vif.bss_conf.chandef))
3769 /* don't allow another channel switch if one is already active. */
3770 if (sdata->vif.bss_conf.csa_active)
3773 mutex_lock(&local->chanctx_mtx);
3774 conf = rcu_dereference_protected(sdata->vif.bss_conf.chanctx_conf,
3775 lockdep_is_held(&local->chanctx_mtx));
3781 if (params->chandef.chan->freq_offset) {
3782 /* this may work, but is untested */
3787 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3789 ch_switch.timestamp = 0;
3790 ch_switch.device_timestamp = 0;
3791 ch_switch.block_tx = params->block_tx;
3792 ch_switch.chandef = params->chandef;
3793 ch_switch.count = params->count;
3795 err = drv_pre_channel_switch(sdata, &ch_switch);
3799 err = ieee80211_link_reserve_chanctx(&sdata->deflink, ¶ms->chandef,
3801 params->radar_required);
3805 /* if reservation is invalid then this will fail */
3806 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3808 ieee80211_link_unreserve_chanctx(&sdata->deflink);
3812 /* if there is a color change in progress, abort it */
3813 if (sdata->vif.bss_conf.color_change_active)
3814 ieee80211_color_change_abort(sdata);
3816 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3818 ieee80211_link_unreserve_chanctx(&sdata->deflink);
3822 sdata->deflink.csa_chandef = params->chandef;
3823 sdata->deflink.csa_block_tx = params->block_tx;
3824 sdata->vif.bss_conf.csa_active = true;
3826 if (sdata->deflink.csa_block_tx)
3827 ieee80211_stop_vif_queues(local, sdata,
3828 IEEE80211_QUEUE_STOP_REASON_CSA);
3830 cfg80211_ch_switch_started_notify(sdata->dev,
3831 &sdata->deflink.csa_chandef, 0,
3832 params->count, params->block_tx);
3835 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
3837 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3839 /* if the beacon didn't change, we can finalize immediately */
3840 ieee80211_csa_finalize(sdata);
3844 mutex_unlock(&local->chanctx_mtx);
3848 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3849 struct cfg80211_csa_settings *params)
3851 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3852 struct ieee80211_local *local = sdata->local;
3855 mutex_lock(&local->mtx);
3856 err = __ieee80211_channel_switch(wiphy, dev, params);
3857 mutex_unlock(&local->mtx);
3862 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3864 lockdep_assert_held(&local->mtx);
3866 local->roc_cookie_counter++;
3868 /* wow, you wrapped 64 bits ... more likely a bug */
3869 if (WARN_ON(local->roc_cookie_counter == 0))
3870 local->roc_cookie_counter++;
3872 return local->roc_cookie_counter;
3875 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3876 u64 *cookie, gfp_t gfp)
3878 unsigned long spin_flags;
3879 struct sk_buff *ack_skb;
3882 ack_skb = skb_copy(skb, gfp);
3886 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3887 id = idr_alloc(&local->ack_status_frames, ack_skb,
3888 1, 0x2000, GFP_ATOMIC);
3889 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3896 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3898 *cookie = ieee80211_mgmt_tx_cookie(local);
3899 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3905 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3906 struct wireless_dev *wdev,
3907 struct mgmt_frame_regs *upd)
3909 struct ieee80211_local *local = wiphy_priv(wiphy);
3910 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3911 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3912 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3913 bool global_change, intf_change;
3916 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
3917 (local->rx_mcast_action_reg !=
3918 !!(upd->global_mcast_stypes & action_mask));
3919 local->probe_req_reg = upd->global_stypes & preq_mask;
3920 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3922 intf_change = (sdata->vif.probe_req_reg !=
3923 !!(upd->interface_stypes & preq_mask)) ||
3924 (sdata->vif.rx_mcast_action_reg !=
3925 !!(upd->interface_mcast_stypes & action_mask));
3926 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3927 sdata->vif.rx_mcast_action_reg =
3928 upd->interface_mcast_stypes & action_mask;
3930 if (!local->open_count)
3933 if (intf_change && ieee80211_sdata_running(sdata))
3934 drv_config_iface_filter(local, sdata,
3935 sdata->vif.probe_req_reg ?
3940 ieee80211_configure_filter(local);
3943 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3945 struct ieee80211_local *local = wiphy_priv(wiphy);
3950 return drv_set_antenna(local, tx_ant, rx_ant);
3953 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3955 struct ieee80211_local *local = wiphy_priv(wiphy);
3957 return drv_get_antenna(local, tx_ant, rx_ant);
3960 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3961 struct net_device *dev,
3962 struct cfg80211_gtk_rekey_data *data)
3964 struct ieee80211_local *local = wiphy_priv(wiphy);
3965 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3967 if (!local->ops->set_rekey_data)
3970 drv_set_rekey_data(local, sdata, data);
3975 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3976 const u8 *peer, u64 *cookie)
3978 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3979 struct ieee80211_local *local = sdata->local;
3980 struct ieee80211_qos_hdr *nullfunc;
3981 struct sk_buff *skb;
3982 int size = sizeof(*nullfunc);
3985 struct ieee80211_tx_info *info;
3986 struct sta_info *sta;
3987 struct ieee80211_chanctx_conf *chanctx_conf;
3988 enum nl80211_band band;
3991 /* the lock is needed to assign the cookie later */
3992 mutex_lock(&local->mtx);
3995 chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf);
3996 if (WARN_ON(!chanctx_conf)) {
4000 band = chanctx_conf->def.chan->band;
4001 sta = sta_info_get_bss(sdata, peer);
4010 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
4011 IEEE80211_STYPE_QOS_NULLFUNC |
4012 IEEE80211_FCTL_FROMDS);
4015 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
4016 IEEE80211_STYPE_NULLFUNC |
4017 IEEE80211_FCTL_FROMDS);
4020 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
4028 skb_reserve(skb, local->hw.extra_tx_headroom);
4030 nullfunc = skb_put(skb, size);
4031 nullfunc->frame_control = fc;
4032 nullfunc->duration_id = 0;
4033 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
4034 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
4035 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
4036 nullfunc->seq_ctrl = 0;
4038 info = IEEE80211_SKB_CB(skb);
4040 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
4041 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
4044 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
4047 nullfunc->qos_ctrl = cpu_to_le16(7);
4049 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
4056 ieee80211_xmit(sdata, sta, skb);
4062 mutex_unlock(&local->mtx);
4067 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
4068 struct wireless_dev *wdev,
4069 unsigned int link_id,
4070 struct cfg80211_chan_def *chandef)
4072 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4073 struct ieee80211_local *local = wiphy_priv(wiphy);
4074 struct ieee80211_chanctx_conf *chanctx_conf;
4075 struct ieee80211_link_data *link;
4079 link = rcu_dereference(sdata->link[link_id]);
4085 chanctx_conf = rcu_dereference(link->conf->chanctx_conf);
4087 *chandef = link->conf->chandef;
4089 } else if (local->open_count > 0 &&
4090 local->open_count == local->monitors &&
4091 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
4092 if (local->use_chanctx)
4093 *chandef = local->monitor_chandef;
4095 *chandef = local->_oper_chandef;
4105 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
4107 drv_set_wakeup(wiphy_priv(wiphy), enabled);
4111 static int ieee80211_set_qos_map(struct wiphy *wiphy,
4112 struct net_device *dev,
4113 struct cfg80211_qos_map *qos_map)
4115 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4116 struct mac80211_qos_map *new_qos_map, *old_qos_map;
4119 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
4122 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
4124 /* A NULL qos_map was passed to disable QoS mapping */
4128 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
4129 rcu_assign_pointer(sdata->qos_map, new_qos_map);
4131 kfree_rcu(old_qos_map, rcu_head);
4136 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
4137 struct net_device *dev,
4138 unsigned int link_id,
4139 struct cfg80211_chan_def *chandef)
4141 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4142 struct ieee80211_link_data *link;
4146 link = sdata_dereference(sdata->link[link_id], sdata);
4148 ret = ieee80211_link_change_bandwidth(link, chandef, &changed);
4150 ieee80211_link_info_change_notify(sdata, link, changed);
4155 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
4156 u8 tsid, const u8 *peer, u8 up,
4159 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4160 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
4161 int ac = ieee802_1d_to_ac[up];
4163 if (sdata->vif.type != NL80211_IFTYPE_STATION)
4166 if (!(sdata->wmm_acm & BIT(up)))
4169 if (ifmgd->tx_tspec[ac].admitted_time)
4172 if (admitted_time) {
4173 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
4174 ifmgd->tx_tspec[ac].tsid = tsid;
4175 ifmgd->tx_tspec[ac].up = up;
4181 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
4182 u8 tsid, const u8 *peer)
4184 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4185 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
4186 struct ieee80211_local *local = wiphy_priv(wiphy);
4189 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
4190 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
4192 /* skip unused entries */
4193 if (!tx_tspec->admitted_time)
4196 if (tx_tspec->tsid != tsid)
4199 /* due to this new packets will be reassigned to non-ACM ACs */
4202 /* Make sure that all packets have been sent to avoid to
4203 * restore the QoS params on packets that are still on the
4207 ieee80211_flush_queues(local, sdata, false);
4209 /* restore the normal QoS parameters
4210 * (unconditionally to avoid races)
4212 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
4213 tx_tspec->downgraded = false;
4214 ieee80211_sta_handle_tspec_ac_params(sdata);
4216 /* finally clear all the data */
4217 memset(tx_tspec, 0, sizeof(*tx_tspec));
4225 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
4227 enum nl80211_nan_func_term_reason reason,
4230 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4231 struct cfg80211_nan_func *func;
4234 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
4237 spin_lock_bh(&sdata->u.nan.func_lock);
4239 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
4240 if (WARN_ON(!func)) {
4241 spin_unlock_bh(&sdata->u.nan.func_lock);
4245 cookie = func->cookie;
4246 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
4248 spin_unlock_bh(&sdata->u.nan.func_lock);
4250 cfg80211_free_nan_func(func);
4252 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
4253 reason, cookie, gfp);
4255 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
4257 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
4258 struct cfg80211_nan_match_params *match,
4261 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4262 struct cfg80211_nan_func *func;
4264 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
4267 spin_lock_bh(&sdata->u.nan.func_lock);
4269 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
4270 if (WARN_ON(!func)) {
4271 spin_unlock_bh(&sdata->u.nan.func_lock);
4274 match->cookie = func->cookie;
4276 spin_unlock_bh(&sdata->u.nan.func_lock);
4278 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
4280 EXPORT_SYMBOL(ieee80211_nan_func_match);
4282 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
4283 struct net_device *dev,
4286 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4288 sdata->u.ap.multicast_to_unicast = enabled;
4293 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
4294 struct txq_info *txqi)
4296 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
4297 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
4298 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
4301 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
4302 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
4303 txqstats->backlog_packets = txqi->tin.backlog_packets;
4306 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
4307 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
4308 txqstats->flows = txqi->tin.flows;
4311 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
4312 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
4313 txqstats->drops = txqi->cstats.drop_count;
4316 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
4317 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
4318 txqstats->ecn_marks = txqi->cstats.ecn_mark;
4321 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
4322 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
4323 txqstats->overlimit = txqi->tin.overlimit;
4326 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
4327 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
4328 txqstats->collisions = txqi->tin.collisions;
4331 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
4332 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
4333 txqstats->tx_bytes = txqi->tin.tx_bytes;
4336 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
4337 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
4338 txqstats->tx_packets = txqi->tin.tx_packets;
4342 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
4343 struct wireless_dev *wdev,
4344 struct cfg80211_txq_stats *txqstats)
4346 struct ieee80211_local *local = wiphy_priv(wiphy);
4347 struct ieee80211_sub_if_data *sdata;
4350 spin_lock_bh(&local->fq.lock);
4354 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4355 if (!sdata->vif.txq) {
4359 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
4362 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
4363 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
4364 BIT(NL80211_TXQ_STATS_OVERLIMIT) |
4365 BIT(NL80211_TXQ_STATS_OVERMEMORY) |
4366 BIT(NL80211_TXQ_STATS_COLLISIONS) |
4367 BIT(NL80211_TXQ_STATS_MAX_FLOWS);
4368 txqstats->backlog_packets = local->fq.backlog;
4369 txqstats->backlog_bytes = local->fq.memory_usage;
4370 txqstats->overlimit = local->fq.overlimit;
4371 txqstats->overmemory = local->fq.overmemory;
4372 txqstats->collisions = local->fq.collisions;
4373 txqstats->max_flows = local->fq.flows_cnt;
4378 spin_unlock_bh(&local->fq.lock);
4384 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
4385 struct net_device *dev,
4386 struct cfg80211_ftm_responder_stats *ftm_stats)
4388 struct ieee80211_local *local = wiphy_priv(wiphy);
4389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4391 return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
4395 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4396 struct cfg80211_pmsr_request *request)
4398 struct ieee80211_local *local = wiphy_priv(wiphy);
4399 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4401 return drv_start_pmsr(local, sdata, request);
4405 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4406 struct cfg80211_pmsr_request *request)
4408 struct ieee80211_local *local = wiphy_priv(wiphy);
4409 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4411 return drv_abort_pmsr(local, sdata, request);
4414 static int ieee80211_set_tid_config(struct wiphy *wiphy,
4415 struct net_device *dev,
4416 struct cfg80211_tid_config *tid_conf)
4418 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4419 struct sta_info *sta;
4422 if (!sdata->local->ops->set_tid_config)
4425 if (!tid_conf->peer)
4426 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
4428 mutex_lock(&sdata->local->sta_mtx);
4429 sta = sta_info_get_bss(sdata, tid_conf->peer);
4431 mutex_unlock(&sdata->local->sta_mtx);
4435 ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
4436 mutex_unlock(&sdata->local->sta_mtx);
4441 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
4442 struct net_device *dev,
4443 const u8 *peer, u8 tids)
4445 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4446 struct sta_info *sta;
4449 if (!sdata->local->ops->reset_tid_config)
4453 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
4455 mutex_lock(&sdata->local->sta_mtx);
4456 sta = sta_info_get_bss(sdata, peer);
4458 mutex_unlock(&sdata->local->sta_mtx);
4462 ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
4463 mutex_unlock(&sdata->local->sta_mtx);
4468 static int ieee80211_set_sar_specs(struct wiphy *wiphy,
4469 struct cfg80211_sar_specs *sar)
4471 struct ieee80211_local *local = wiphy_priv(wiphy);
4473 if (!local->ops->set_sar_specs)
4476 return local->ops->set_sar_specs(&local->hw, sar);
4480 ieee80211_set_after_color_change_beacon(struct ieee80211_sub_if_data *sdata,
4483 switch (sdata->vif.type) {
4484 case NL80211_IFTYPE_AP: {
4487 if (!sdata->deflink.u.ap.next_beacon)
4490 ret = ieee80211_assign_beacon(sdata, &sdata->deflink,
4491 sdata->deflink.u.ap.next_beacon,
4493 ieee80211_free_next_beacon(&sdata->deflink);
4510 ieee80211_set_color_change_beacon(struct ieee80211_sub_if_data *sdata,
4511 struct cfg80211_color_change_settings *params,
4514 struct ieee80211_color_change_settings color_change = {};
4517 switch (sdata->vif.type) {
4518 case NL80211_IFTYPE_AP:
4519 sdata->deflink.u.ap.next_beacon =
4520 cfg80211_beacon_dup(¶ms->beacon_next);
4521 if (!sdata->deflink.u.ap.next_beacon)
4524 if (params->count <= 1)
4527 color_change.counter_offset_beacon =
4528 params->counter_offset_beacon;
4529 color_change.counter_offset_presp =
4530 params->counter_offset_presp;
4531 color_change.count = params->count;
4533 err = ieee80211_assign_beacon(sdata, &sdata->deflink,
4534 ¶ms->beacon_color_change,
4535 NULL, &color_change);
4537 ieee80211_free_next_beacon(&sdata->deflink);
4550 ieee80211_color_change_bss_config_notify(struct ieee80211_sub_if_data *sdata,
4551 u8 color, int enable, u32 changed)
4553 sdata->vif.bss_conf.he_bss_color.color = color;
4554 sdata->vif.bss_conf.he_bss_color.enabled = enable;
4555 changed |= BSS_CHANGED_HE_BSS_COLOR;
4557 ieee80211_link_info_change_notify(sdata, &sdata->deflink, changed);
4559 if (!sdata->vif.bss_conf.nontransmitted && sdata->vif.mbssid_tx_vif) {
4560 struct ieee80211_sub_if_data *child;
4562 mutex_lock(&sdata->local->iflist_mtx);
4563 list_for_each_entry(child, &sdata->local->interfaces, list) {
4564 if (child != sdata && child->vif.mbssid_tx_vif == &sdata->vif) {
4565 child->vif.bss_conf.he_bss_color.color = color;
4566 child->vif.bss_conf.he_bss_color.enabled = enable;
4567 ieee80211_link_info_change_notify(child,
4569 BSS_CHANGED_HE_BSS_COLOR);
4572 mutex_unlock(&sdata->local->iflist_mtx);
4576 static int ieee80211_color_change_finalize(struct ieee80211_sub_if_data *sdata)
4578 struct ieee80211_local *local = sdata->local;
4582 sdata_assert_lock(sdata);
4583 lockdep_assert_held(&local->mtx);
4585 sdata->vif.bss_conf.color_change_active = false;
4587 err = ieee80211_set_after_color_change_beacon(sdata, &changed);
4589 cfg80211_color_change_aborted_notify(sdata->dev);
4593 ieee80211_color_change_bss_config_notify(sdata,
4594 sdata->vif.bss_conf.color_change_color,
4596 cfg80211_color_change_notify(sdata->dev);
4601 void ieee80211_color_change_finalize_work(struct work_struct *work)
4603 struct ieee80211_sub_if_data *sdata =
4604 container_of(work, struct ieee80211_sub_if_data,
4605 deflink.color_change_finalize_work);
4606 struct ieee80211_local *local = sdata->local;
4609 mutex_lock(&local->mtx);
4611 /* AP might have been stopped while waiting for the lock. */
4612 if (!sdata->vif.bss_conf.color_change_active)
4615 if (!ieee80211_sdata_running(sdata))
4618 ieee80211_color_change_finalize(sdata);
4621 mutex_unlock(&local->mtx);
4622 sdata_unlock(sdata);
4625 void ieee80211_color_change_finish(struct ieee80211_vif *vif)
4627 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4629 ieee80211_queue_work(&sdata->local->hw,
4630 &sdata->deflink.color_change_finalize_work);
4632 EXPORT_SYMBOL_GPL(ieee80211_color_change_finish);
4635 ieeee80211_obss_color_collision_notify(struct ieee80211_vif *vif,
4636 u64 color_bitmap, gfp_t gfp)
4638 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4640 if (sdata->vif.bss_conf.color_change_active || sdata->vif.bss_conf.csa_active)
4643 cfg80211_obss_color_collision_notify(sdata->dev, color_bitmap, gfp);
4645 EXPORT_SYMBOL_GPL(ieeee80211_obss_color_collision_notify);
4648 ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev,
4649 struct cfg80211_color_change_settings *params)
4651 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4652 struct ieee80211_local *local = sdata->local;
4656 sdata_assert_lock(sdata);
4658 if (sdata->vif.bss_conf.nontransmitted)
4661 mutex_lock(&local->mtx);
4663 /* don't allow another color change if one is already active or if csa
4666 if (sdata->vif.bss_conf.color_change_active || sdata->vif.bss_conf.csa_active) {
4671 err = ieee80211_set_color_change_beacon(sdata, params, &changed);
4675 sdata->vif.bss_conf.color_change_active = true;
4676 sdata->vif.bss_conf.color_change_color = params->color;
4678 cfg80211_color_change_started_notify(sdata->dev, params->count);
4681 ieee80211_color_change_bss_config_notify(sdata, 0, 0, changed);
4683 /* if the beacon didn't change, we can finalize immediately */
4684 ieee80211_color_change_finalize(sdata);
4687 mutex_unlock(&local->mtx);
4693 ieee80211_set_radar_background(struct wiphy *wiphy,
4694 struct cfg80211_chan_def *chandef)
4696 struct ieee80211_local *local = wiphy_priv(wiphy);
4698 if (!local->ops->set_radar_background)
4701 return local->ops->set_radar_background(&local->hw, chandef);
4704 static int ieee80211_add_intf_link(struct wiphy *wiphy,
4705 struct wireless_dev *wdev,
4706 unsigned int link_id)
4708 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4710 if (wdev->use_4addr)
4713 return ieee80211_vif_set_links(sdata, wdev->valid_links);
4716 static void ieee80211_del_intf_link(struct wiphy *wiphy,
4717 struct wireless_dev *wdev,
4718 unsigned int link_id)
4720 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4722 ieee80211_vif_set_links(sdata, wdev->valid_links);
4725 static int sta_add_link_station(struct ieee80211_local *local,
4726 struct ieee80211_sub_if_data *sdata,
4727 struct link_station_parameters *params)
4729 struct sta_info *sta;
4732 sta = sta_info_get_bss(sdata, params->mld_mac);
4736 if (!sta->sta.valid_links)
4739 if (sta->sta.valid_links & BIT(params->link_id))
4742 ret = ieee80211_sta_allocate_link(sta, params->link_id);
4746 ret = sta_link_apply_parameters(local, sta, true, params);
4748 ieee80211_sta_free_link(sta, params->link_id);
4752 /* ieee80211_sta_activate_link frees the link upon failure */
4753 return ieee80211_sta_activate_link(sta, params->link_id);
4757 ieee80211_add_link_station(struct wiphy *wiphy, struct net_device *dev,
4758 struct link_station_parameters *params)
4760 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4761 struct ieee80211_local *local = wiphy_priv(wiphy);
4764 mutex_lock(&sdata->local->sta_mtx);
4765 ret = sta_add_link_station(local, sdata, params);
4766 mutex_unlock(&sdata->local->sta_mtx);
4771 static int sta_mod_link_station(struct ieee80211_local *local,
4772 struct ieee80211_sub_if_data *sdata,
4773 struct link_station_parameters *params)
4775 struct sta_info *sta;
4777 sta = sta_info_get_bss(sdata, params->mld_mac);
4781 if (!(sta->sta.valid_links & BIT(params->link_id)))
4784 return sta_link_apply_parameters(local, sta, false, params);
4788 ieee80211_mod_link_station(struct wiphy *wiphy, struct net_device *dev,
4789 struct link_station_parameters *params)
4791 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4792 struct ieee80211_local *local = wiphy_priv(wiphy);
4795 mutex_lock(&sdata->local->sta_mtx);
4796 ret = sta_mod_link_station(local, sdata, params);
4797 mutex_unlock(&sdata->local->sta_mtx);
4802 static int sta_del_link_station(struct ieee80211_sub_if_data *sdata,
4803 struct link_station_del_parameters *params)
4805 struct sta_info *sta;
4807 sta = sta_info_get_bss(sdata, params->mld_mac);
4811 if (!(sta->sta.valid_links & BIT(params->link_id)))
4814 /* must not create a STA without links */
4815 if (sta->sta.valid_links == BIT(params->link_id))
4818 ieee80211_sta_remove_link(sta, params->link_id);
4824 ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev,
4825 struct link_station_del_parameters *params)
4827 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4830 mutex_lock(&sdata->local->sta_mtx);
4831 ret = sta_del_link_station(sdata, params);
4832 mutex_unlock(&sdata->local->sta_mtx);
4837 const struct cfg80211_ops mac80211_config_ops = {
4838 .add_virtual_intf = ieee80211_add_iface,
4839 .del_virtual_intf = ieee80211_del_iface,
4840 .change_virtual_intf = ieee80211_change_iface,
4841 .start_p2p_device = ieee80211_start_p2p_device,
4842 .stop_p2p_device = ieee80211_stop_p2p_device,
4843 .add_key = ieee80211_add_key,
4844 .del_key = ieee80211_del_key,
4845 .get_key = ieee80211_get_key,
4846 .set_default_key = ieee80211_config_default_key,
4847 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
4848 .set_default_beacon_key = ieee80211_config_default_beacon_key,
4849 .start_ap = ieee80211_start_ap,
4850 .change_beacon = ieee80211_change_beacon,
4851 .stop_ap = ieee80211_stop_ap,
4852 .add_station = ieee80211_add_station,
4853 .del_station = ieee80211_del_station,
4854 .change_station = ieee80211_change_station,
4855 .get_station = ieee80211_get_station,
4856 .dump_station = ieee80211_dump_station,
4857 .dump_survey = ieee80211_dump_survey,
4858 #ifdef CONFIG_MAC80211_MESH
4859 .add_mpath = ieee80211_add_mpath,
4860 .del_mpath = ieee80211_del_mpath,
4861 .change_mpath = ieee80211_change_mpath,
4862 .get_mpath = ieee80211_get_mpath,
4863 .dump_mpath = ieee80211_dump_mpath,
4864 .get_mpp = ieee80211_get_mpp,
4865 .dump_mpp = ieee80211_dump_mpp,
4866 .update_mesh_config = ieee80211_update_mesh_config,
4867 .get_mesh_config = ieee80211_get_mesh_config,
4868 .join_mesh = ieee80211_join_mesh,
4869 .leave_mesh = ieee80211_leave_mesh,
4871 .join_ocb = ieee80211_join_ocb,
4872 .leave_ocb = ieee80211_leave_ocb,
4873 .change_bss = ieee80211_change_bss,
4874 .set_txq_params = ieee80211_set_txq_params,
4875 .set_monitor_channel = ieee80211_set_monitor_channel,
4876 .suspend = ieee80211_suspend,
4877 .resume = ieee80211_resume,
4878 .scan = ieee80211_scan,
4879 .abort_scan = ieee80211_abort_scan,
4880 .sched_scan_start = ieee80211_sched_scan_start,
4881 .sched_scan_stop = ieee80211_sched_scan_stop,
4882 .auth = ieee80211_auth,
4883 .assoc = ieee80211_assoc,
4884 .deauth = ieee80211_deauth,
4885 .disassoc = ieee80211_disassoc,
4886 .join_ibss = ieee80211_join_ibss,
4887 .leave_ibss = ieee80211_leave_ibss,
4888 .set_mcast_rate = ieee80211_set_mcast_rate,
4889 .set_wiphy_params = ieee80211_set_wiphy_params,
4890 .set_tx_power = ieee80211_set_tx_power,
4891 .get_tx_power = ieee80211_get_tx_power,
4892 .rfkill_poll = ieee80211_rfkill_poll,
4893 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4894 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4895 .set_power_mgmt = ieee80211_set_power_mgmt,
4896 .set_bitrate_mask = ieee80211_set_bitrate_mask,
4897 .remain_on_channel = ieee80211_remain_on_channel,
4898 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4899 .mgmt_tx = ieee80211_mgmt_tx,
4900 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4901 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4902 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4903 .update_mgmt_frame_registrations =
4904 ieee80211_update_mgmt_frame_registrations,
4905 .set_antenna = ieee80211_set_antenna,
4906 .get_antenna = ieee80211_get_antenna,
4907 .set_rekey_data = ieee80211_set_rekey_data,
4908 .tdls_oper = ieee80211_tdls_oper,
4909 .tdls_mgmt = ieee80211_tdls_mgmt,
4910 .tdls_channel_switch = ieee80211_tdls_channel_switch,
4911 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4912 .probe_client = ieee80211_probe_client,
4913 .set_noack_map = ieee80211_set_noack_map,
4915 .set_wakeup = ieee80211_set_wakeup,
4917 .get_channel = ieee80211_cfg_get_channel,
4918 .start_radar_detection = ieee80211_start_radar_detection,
4919 .end_cac = ieee80211_end_cac,
4920 .channel_switch = ieee80211_channel_switch,
4921 .set_qos_map = ieee80211_set_qos_map,
4922 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4923 .add_tx_ts = ieee80211_add_tx_ts,
4924 .del_tx_ts = ieee80211_del_tx_ts,
4925 .start_nan = ieee80211_start_nan,
4926 .stop_nan = ieee80211_stop_nan,
4927 .nan_change_conf = ieee80211_nan_change_conf,
4928 .add_nan_func = ieee80211_add_nan_func,
4929 .del_nan_func = ieee80211_del_nan_func,
4930 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4931 .tx_control_port = ieee80211_tx_control_port,
4932 .get_txq_stats = ieee80211_get_txq_stats,
4933 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4934 .start_pmsr = ieee80211_start_pmsr,
4935 .abort_pmsr = ieee80211_abort_pmsr,
4936 .probe_mesh_link = ieee80211_probe_mesh_link,
4937 .set_tid_config = ieee80211_set_tid_config,
4938 .reset_tid_config = ieee80211_reset_tid_config,
4939 .set_sar_specs = ieee80211_set_sar_specs,
4940 .color_change = ieee80211_color_change,
4941 .set_radar_background = ieee80211_set_radar_background,
4942 .add_intf_link = ieee80211_add_intf_link,
4943 .del_intf_link = ieee80211_del_intf_link,
4944 .add_link_station = ieee80211_add_link_station,
4945 .mod_link_station = ieee80211_mod_link_station,
4946 .del_link_station = ieee80211_del_link_station,