2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2014 Intel Mobile Communications GmbH
7 * This file is GPLv2 as found in COPYING.
10 #include <linux/ieee80211.h>
11 #include <linux/nl80211.h>
12 #include <linux/rtnetlink.h>
13 #include <linux/slab.h>
14 #include <net/net_namespace.h>
15 #include <linux/rcupdate.h>
16 #include <linux/if_ether.h>
17 #include <net/cfg80211.h>
18 #include "ieee80211_i.h"
19 #include "driver-ops.h"
25 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
27 unsigned char name_assign_type,
28 enum nl80211_iftype type,
30 struct vif_params *params)
32 struct ieee80211_local *local = wiphy_priv(wiphy);
33 struct wireless_dev *wdev;
34 struct ieee80211_sub_if_data *sdata;
37 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
41 if (type == NL80211_IFTYPE_MONITOR && flags) {
42 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
43 sdata->u.mntr_flags = *flags;
49 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
51 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
56 static int ieee80211_change_iface(struct wiphy *wiphy,
57 struct net_device *dev,
58 enum nl80211_iftype type, u32 *flags,
59 struct vif_params *params)
61 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
64 ret = ieee80211_if_change_type(sdata, type);
68 if (type == NL80211_IFTYPE_AP_VLAN &&
69 params && params->use_4addr == 0)
70 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
71 else if (type == NL80211_IFTYPE_STATION &&
72 params && params->use_4addr >= 0)
73 sdata->u.mgd.use_4addr = params->use_4addr;
75 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
76 struct ieee80211_local *local = sdata->local;
78 if (ieee80211_sdata_running(sdata)) {
79 u32 mask = MONITOR_FLAG_COOK_FRAMES |
83 * Prohibit MONITOR_FLAG_COOK_FRAMES and
84 * MONITOR_FLAG_ACTIVE to be changed while the
86 * Else we would need to add a lot of cruft
87 * to update everything:
88 * cooked_mntrs, monitor and all fif_* counters
89 * reconfigure hardware
91 if ((*flags & mask) != (sdata->u.mntr_flags & mask))
94 ieee80211_adjust_monitor_flags(sdata, -1);
95 sdata->u.mntr_flags = *flags;
96 ieee80211_adjust_monitor_flags(sdata, 1);
98 ieee80211_configure_filter(local);
101 * Because the interface is down, ieee80211_do_stop
102 * and ieee80211_do_open take care of "everything"
103 * mentioned in the comment above.
105 sdata->u.mntr_flags = *flags;
112 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
113 struct wireless_dev *wdev)
115 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
118 mutex_lock(&sdata->local->chanctx_mtx);
119 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
120 mutex_unlock(&sdata->local->chanctx_mtx);
124 return ieee80211_do_open(wdev, true);
127 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
128 struct wireless_dev *wdev)
130 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
133 static int ieee80211_set_noack_map(struct wiphy *wiphy,
134 struct net_device *dev,
137 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
139 sdata->noack_map = noack_map;
143 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
144 u8 key_idx, bool pairwise, const u8 *mac_addr,
145 struct key_params *params)
147 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
148 struct ieee80211_local *local = sdata->local;
149 struct sta_info *sta = NULL;
150 const struct ieee80211_cipher_scheme *cs = NULL;
151 struct ieee80211_key *key;
154 if (!ieee80211_sdata_running(sdata))
157 /* reject WEP and TKIP keys if WEP failed to initialize */
158 switch (params->cipher) {
159 case WLAN_CIPHER_SUITE_WEP40:
160 case WLAN_CIPHER_SUITE_TKIP:
161 case WLAN_CIPHER_SUITE_WEP104:
162 if (IS_ERR(local->wep_tx_tfm))
165 case WLAN_CIPHER_SUITE_CCMP:
166 case WLAN_CIPHER_SUITE_CCMP_256:
167 case WLAN_CIPHER_SUITE_AES_CMAC:
168 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
169 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
170 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
171 case WLAN_CIPHER_SUITE_GCMP:
172 case WLAN_CIPHER_SUITE_GCMP_256:
175 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
179 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
180 params->key, params->seq_len, params->seq,
186 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
188 mutex_lock(&local->sta_mtx);
191 if (ieee80211_vif_is_mesh(&sdata->vif))
192 sta = sta_info_get(sdata, mac_addr);
194 sta = sta_info_get_bss(sdata, mac_addr);
196 * The ASSOC test makes sure the driver is ready to
197 * receive the key. When wpa_supplicant has roamed
198 * using FT, it attempts to set the key before
199 * association has completed, this rejects that attempt
200 * so it will set the key again after association.
202 * TODO: accept the key if we have a station entry and
203 * add it to the device after the station.
205 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
206 ieee80211_key_free_unused(key);
212 switch (sdata->vif.type) {
213 case NL80211_IFTYPE_STATION:
214 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
215 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
217 case NL80211_IFTYPE_AP:
218 case NL80211_IFTYPE_AP_VLAN:
219 /* Keys without a station are used for TX only */
220 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
221 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
223 case NL80211_IFTYPE_ADHOC:
226 case NL80211_IFTYPE_MESH_POINT:
227 #ifdef CONFIG_MAC80211_MESH
228 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
229 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
232 case NL80211_IFTYPE_WDS:
233 case NL80211_IFTYPE_MONITOR:
234 case NL80211_IFTYPE_P2P_DEVICE:
235 case NL80211_IFTYPE_UNSPECIFIED:
236 case NUM_NL80211_IFTYPES:
237 case NL80211_IFTYPE_P2P_CLIENT:
238 case NL80211_IFTYPE_P2P_GO:
239 case NL80211_IFTYPE_OCB:
240 /* shouldn't happen */
246 sta->cipher_scheme = cs;
248 err = ieee80211_key_link(key, sdata, sta);
251 mutex_unlock(&local->sta_mtx);
256 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
257 u8 key_idx, bool pairwise, const u8 *mac_addr)
259 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
260 struct ieee80211_local *local = sdata->local;
261 struct sta_info *sta;
262 struct ieee80211_key *key = NULL;
265 mutex_lock(&local->sta_mtx);
266 mutex_lock(&local->key_mtx);
271 sta = sta_info_get_bss(sdata, mac_addr);
276 key = key_mtx_dereference(local, sta->ptk[key_idx]);
278 key = key_mtx_dereference(local, sta->gtk[key_idx]);
280 key = key_mtx_dereference(local, sdata->keys[key_idx]);
287 ieee80211_key_free(key, true);
291 mutex_unlock(&local->key_mtx);
292 mutex_unlock(&local->sta_mtx);
297 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
298 u8 key_idx, bool pairwise, const u8 *mac_addr,
300 void (*callback)(void *cookie,
301 struct key_params *params))
303 struct ieee80211_sub_if_data *sdata;
304 struct sta_info *sta = NULL;
306 struct key_params params;
307 struct ieee80211_key *key = NULL;
313 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
318 sta = sta_info_get_bss(sdata, mac_addr);
322 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
323 key = rcu_dereference(sta->ptk[key_idx]);
324 else if (!pairwise &&
325 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
326 key = rcu_dereference(sta->gtk[key_idx]);
328 key = rcu_dereference(sdata->keys[key_idx]);
333 memset(¶ms, 0, sizeof(params));
335 params.cipher = key->conf.cipher;
337 switch (key->conf.cipher) {
338 case WLAN_CIPHER_SUITE_TKIP:
339 iv32 = key->u.tkip.tx.iv32;
340 iv16 = key->u.tkip.tx.iv16;
342 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
343 drv_get_tkip_seq(sdata->local,
344 key->conf.hw_key_idx,
347 seq[0] = iv16 & 0xff;
348 seq[1] = (iv16 >> 8) & 0xff;
349 seq[2] = iv32 & 0xff;
350 seq[3] = (iv32 >> 8) & 0xff;
351 seq[4] = (iv32 >> 16) & 0xff;
352 seq[5] = (iv32 >> 24) & 0xff;
356 case WLAN_CIPHER_SUITE_CCMP:
357 case WLAN_CIPHER_SUITE_CCMP_256:
358 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
368 case WLAN_CIPHER_SUITE_AES_CMAC:
369 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
370 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
380 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
381 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
382 pn64 = atomic64_read(&key->u.aes_gmac.tx_pn);
392 case WLAN_CIPHER_SUITE_GCMP:
393 case WLAN_CIPHER_SUITE_GCMP_256:
394 pn64 = atomic64_read(&key->u.gcmp.tx_pn);
406 params.key = key->conf.key;
407 params.key_len = key->conf.keylen;
409 callback(cookie, ¶ms);
417 static int ieee80211_config_default_key(struct wiphy *wiphy,
418 struct net_device *dev,
419 u8 key_idx, bool uni,
422 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
424 ieee80211_set_default_key(sdata, key_idx, uni, multi);
429 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
430 struct net_device *dev,
433 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
435 ieee80211_set_default_mgmt_key(sdata, key_idx);
440 void sta_set_rate_info_tx(struct sta_info *sta,
441 const struct ieee80211_tx_rate *rate,
442 struct rate_info *rinfo)
445 if (rate->flags & IEEE80211_TX_RC_MCS) {
446 rinfo->flags |= RATE_INFO_FLAGS_MCS;
447 rinfo->mcs = rate->idx;
448 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
449 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
450 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
451 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
453 struct ieee80211_supported_band *sband;
454 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
457 sband = sta->local->hw.wiphy->bands[
458 ieee80211_get_sdata_band(sta->sdata)];
459 brate = sband->bitrates[rate->idx].bitrate;
460 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
462 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
463 rinfo->bw = RATE_INFO_BW_40;
464 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
465 rinfo->bw = RATE_INFO_BW_80;
466 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
467 rinfo->bw = RATE_INFO_BW_160;
469 rinfo->bw = RATE_INFO_BW_20;
470 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
471 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
474 void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
478 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
479 rinfo->flags |= RATE_INFO_FLAGS_MCS;
480 rinfo->mcs = sta->last_rx_rate_idx;
481 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
482 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
483 rinfo->nss = sta->last_rx_rate_vht_nss;
484 rinfo->mcs = sta->last_rx_rate_idx;
486 struct ieee80211_supported_band *sband;
487 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
490 sband = sta->local->hw.wiphy->bands[
491 ieee80211_get_sdata_band(sta->sdata)];
492 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
493 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
496 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
497 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
499 if (sta->last_rx_rate_flag & RX_FLAG_5MHZ)
500 rinfo->bw = RATE_INFO_BW_5;
501 else if (sta->last_rx_rate_flag & RX_FLAG_10MHZ)
502 rinfo->bw = RATE_INFO_BW_10;
503 else if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
504 rinfo->bw = RATE_INFO_BW_40;
505 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
506 rinfo->bw = RATE_INFO_BW_80;
507 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
508 rinfo->bw = RATE_INFO_BW_160;
510 rinfo->bw = RATE_INFO_BW_20;
513 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
514 int idx, u8 *mac, struct station_info *sinfo)
516 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
517 struct ieee80211_local *local = sdata->local;
518 struct sta_info *sta;
521 mutex_lock(&local->sta_mtx);
523 sta = sta_info_get_by_idx(sdata, idx);
526 memcpy(mac, sta->sta.addr, ETH_ALEN);
527 sta_set_sinfo(sta, sinfo);
530 mutex_unlock(&local->sta_mtx);
535 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
536 int idx, struct survey_info *survey)
538 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
540 return drv_get_survey(local, idx, survey);
543 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
544 const u8 *mac, struct station_info *sinfo)
546 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
547 struct ieee80211_local *local = sdata->local;
548 struct sta_info *sta;
551 mutex_lock(&local->sta_mtx);
553 sta = sta_info_get_bss(sdata, mac);
556 sta_set_sinfo(sta, sinfo);
559 mutex_unlock(&local->sta_mtx);
564 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
565 struct cfg80211_chan_def *chandef)
567 struct ieee80211_local *local = wiphy_priv(wiphy);
568 struct ieee80211_sub_if_data *sdata;
571 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
574 mutex_lock(&local->mtx);
575 mutex_lock(&local->iflist_mtx);
576 if (local->use_chanctx) {
577 sdata = rcu_dereference_protected(
578 local->monitor_sdata,
579 lockdep_is_held(&local->iflist_mtx));
581 ieee80211_vif_release_channel(sdata);
582 ret = ieee80211_vif_use_channel(sdata, chandef,
583 IEEE80211_CHANCTX_EXCLUSIVE);
585 } else if (local->open_count == local->monitors) {
586 local->_oper_chandef = *chandef;
587 ieee80211_hw_config(local, 0);
591 local->monitor_chandef = *chandef;
592 mutex_unlock(&local->iflist_mtx);
593 mutex_unlock(&local->mtx);
598 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
599 const u8 *resp, size_t resp_len,
600 const struct ieee80211_csa_settings *csa)
602 struct probe_resp *new, *old;
604 if (!resp || !resp_len)
607 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
609 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
614 memcpy(new->data, resp, resp_len);
617 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
618 csa->n_counter_offsets_presp *
619 sizeof(new->csa_counter_offsets[0]));
621 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
623 kfree_rcu(old, rcu_head);
628 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
629 struct cfg80211_beacon_data *params,
630 const struct ieee80211_csa_settings *csa)
632 struct beacon_data *new, *old;
633 int new_head_len, new_tail_len;
635 u32 changed = BSS_CHANGED_BEACON;
637 old = sdata_dereference(sdata->u.ap.beacon, sdata);
640 /* Need to have a beacon head if we don't have one yet */
641 if (!params->head && !old)
644 /* new or old head? */
646 new_head_len = params->head_len;
648 new_head_len = old->head_len;
650 /* new or old tail? */
651 if (params->tail || !old)
652 /* params->tail_len will be zero for !params->tail */
653 new_tail_len = params->tail_len;
655 new_tail_len = old->tail_len;
657 size = sizeof(*new) + new_head_len + new_tail_len;
659 new = kzalloc(size, GFP_KERNEL);
663 /* start filling the new info now */
666 * pointers go into the block we allocated,
667 * memory is | beacon_data | head | tail |
669 new->head = ((u8 *) new) + sizeof(*new);
670 new->tail = new->head + new_head_len;
671 new->head_len = new_head_len;
672 new->tail_len = new_tail_len;
675 new->csa_current_counter = csa->count;
676 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
677 csa->n_counter_offsets_beacon *
678 sizeof(new->csa_counter_offsets[0]));
683 memcpy(new->head, params->head, new_head_len);
685 memcpy(new->head, old->head, new_head_len);
687 /* copy in optional tail */
689 memcpy(new->tail, params->tail, new_tail_len);
692 memcpy(new->tail, old->tail, new_tail_len);
694 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
695 params->probe_resp_len, csa);
699 changed |= BSS_CHANGED_AP_PROBE_RESP;
701 rcu_assign_pointer(sdata->u.ap.beacon, new);
704 kfree_rcu(old, rcu_head);
709 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
710 struct cfg80211_ap_settings *params)
712 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
713 struct ieee80211_local *local = sdata->local;
714 struct beacon_data *old;
715 struct ieee80211_sub_if_data *vlan;
716 u32 changed = BSS_CHANGED_BEACON_INT |
717 BSS_CHANGED_BEACON_ENABLED |
724 old = sdata_dereference(sdata->u.ap.beacon, sdata);
728 switch (params->smps_mode) {
729 case NL80211_SMPS_OFF:
730 sdata->smps_mode = IEEE80211_SMPS_OFF;
732 case NL80211_SMPS_STATIC:
733 sdata->smps_mode = IEEE80211_SMPS_STATIC;
735 case NL80211_SMPS_DYNAMIC:
736 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
741 sdata->needed_rx_chains = sdata->local->rx_chains;
743 mutex_lock(&local->mtx);
744 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
745 IEEE80211_CHANCTX_SHARED);
747 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
748 mutex_unlock(&local->mtx);
753 * Apply control port protocol, this allows us to
754 * not encrypt dynamic WEP control frames.
756 sdata->control_port_protocol = params->crypto.control_port_ethertype;
757 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
758 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
762 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
763 vlan->control_port_protocol =
764 params->crypto.control_port_ethertype;
765 vlan->control_port_no_encrypt =
766 params->crypto.control_port_no_encrypt;
767 vlan->encrypt_headroom =
768 ieee80211_cs_headroom(sdata->local,
773 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
774 sdata->vif.bss_conf.dtim_period = params->dtim_period;
775 sdata->vif.bss_conf.enable_beacon = true;
777 sdata->vif.bss_conf.ssid_len = params->ssid_len;
778 if (params->ssid_len)
779 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
781 sdata->vif.bss_conf.hidden_ssid =
782 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
784 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
785 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
786 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
787 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
788 if (params->p2p_opp_ps)
789 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
790 IEEE80211_P2P_OPPPS_ENABLE_BIT;
792 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
794 ieee80211_vif_release_channel(sdata);
799 err = drv_start_ap(sdata->local, sdata);
801 old = sdata_dereference(sdata->u.ap.beacon, sdata);
804 kfree_rcu(old, rcu_head);
805 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
806 ieee80211_vif_release_channel(sdata);
810 ieee80211_recalc_dtim(local, sdata);
811 ieee80211_bss_info_change_notify(sdata, changed);
813 netif_carrier_on(dev);
814 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
815 netif_carrier_on(vlan->dev);
820 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
821 struct cfg80211_beacon_data *params)
823 struct ieee80211_sub_if_data *sdata;
824 struct beacon_data *old;
827 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
828 sdata_assert_lock(sdata);
830 /* don't allow changing the beacon while CSA is in place - offset
831 * of channel switch counter may change
833 if (sdata->vif.csa_active)
836 old = sdata_dereference(sdata->u.ap.beacon, sdata);
840 err = ieee80211_assign_beacon(sdata, params, NULL);
843 ieee80211_bss_info_change_notify(sdata, err);
847 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
849 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
850 struct ieee80211_sub_if_data *vlan;
851 struct ieee80211_local *local = sdata->local;
852 struct beacon_data *old_beacon;
853 struct probe_resp *old_probe_resp;
854 struct cfg80211_chan_def chandef;
856 sdata_assert_lock(sdata);
858 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
861 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
863 /* abort any running channel switch */
864 mutex_lock(&local->mtx);
865 sdata->vif.csa_active = false;
866 if (sdata->csa_block_tx) {
867 ieee80211_wake_vif_queues(local, sdata,
868 IEEE80211_QUEUE_STOP_REASON_CSA);
869 sdata->csa_block_tx = false;
872 mutex_unlock(&local->mtx);
874 kfree(sdata->u.ap.next_beacon);
875 sdata->u.ap.next_beacon = NULL;
877 /* turn off carrier for this interface and dependent VLANs */
878 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
879 netif_carrier_off(vlan->dev);
880 netif_carrier_off(dev);
882 /* remove beacon and probe response */
883 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
884 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
885 kfree_rcu(old_beacon, rcu_head);
887 kfree_rcu(old_probe_resp, rcu_head);
888 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
890 __sta_info_flush(sdata, true);
891 ieee80211_free_keys(sdata, true);
893 sdata->vif.bss_conf.enable_beacon = false;
894 sdata->vif.bss_conf.ssid_len = 0;
895 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
896 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
898 if (sdata->wdev.cac_started) {
899 chandef = sdata->vif.bss_conf.chandef;
900 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
901 cfg80211_cac_event(sdata->dev, &chandef,
902 NL80211_RADAR_CAC_ABORTED,
906 drv_stop_ap(sdata->local, sdata);
908 /* free all potentially still buffered bcast frames */
909 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
910 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
912 mutex_lock(&local->mtx);
913 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
914 ieee80211_vif_release_channel(sdata);
915 mutex_unlock(&local->mtx);
920 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
921 struct iapp_layer2_update {
922 u8 da[ETH_ALEN]; /* broadcast */
923 u8 sa[ETH_ALEN]; /* STA addr */
931 static void ieee80211_send_layer2_update(struct sta_info *sta)
933 struct iapp_layer2_update *msg;
936 /* Send Level 2 Update Frame to update forwarding tables in layer 2
939 skb = dev_alloc_skb(sizeof(*msg));
942 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
944 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
945 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
947 eth_broadcast_addr(msg->da);
948 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
951 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
952 msg->control = 0xaf; /* XID response lsb.1111F101.
953 * F=0 (no poll command; unsolicited frame) */
954 msg->xid_info[0] = 0x81; /* XID format identifier */
955 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
956 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
958 skb->dev = sta->sdata->dev;
959 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
960 memset(skb->cb, 0, sizeof(skb->cb));
964 static int sta_apply_auth_flags(struct ieee80211_local *local,
965 struct sta_info *sta,
970 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
971 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
972 !test_sta_flag(sta, WLAN_STA_AUTH)) {
973 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
978 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
979 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
980 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
982 * When peer becomes associated, init rate control as
983 * well. Some drivers require rate control initialized
984 * before drv_sta_state() is called.
986 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
987 rate_control_rate_init(sta);
989 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
994 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
995 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
996 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
997 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
998 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1005 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1006 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1007 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1008 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1013 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1014 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1015 test_sta_flag(sta, WLAN_STA_AUTH)) {
1016 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1024 static int sta_apply_parameters(struct ieee80211_local *local,
1025 struct sta_info *sta,
1026 struct station_parameters *params)
1029 struct ieee80211_supported_band *sband;
1030 struct ieee80211_sub_if_data *sdata = sta->sdata;
1031 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1034 sband = local->hw.wiphy->bands[band];
1036 mask = params->sta_flags_mask;
1037 set = params->sta_flags_set;
1039 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1041 * In mesh mode, ASSOCIATED isn't part of the nl80211
1042 * API but must follow AUTHENTICATED for driver state.
1044 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1045 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1046 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1047 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1048 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1050 * TDLS -- everything follows authorized, but
1051 * only becoming authorized is possible, not
1054 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1055 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1056 BIT(NL80211_STA_FLAG_ASSOCIATED);
1057 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1058 BIT(NL80211_STA_FLAG_ASSOCIATED);
1062 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1063 local->hw.queues >= IEEE80211_NUM_ACS)
1064 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1066 /* auth flags will be set later for TDLS stations */
1067 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1068 ret = sta_apply_auth_flags(local, sta, mask, set);
1073 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1074 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1075 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1077 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1080 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1081 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1082 if (set & BIT(NL80211_STA_FLAG_MFP))
1083 set_sta_flag(sta, WLAN_STA_MFP);
1085 clear_sta_flag(sta, WLAN_STA_MFP);
1088 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1089 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1090 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1092 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1095 /* mark TDLS channel switch support, if the AP allows it */
1096 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1097 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1098 params->ext_capab_len >= 4 &&
1099 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1100 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1102 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1103 sta->sta.uapsd_queues = params->uapsd_queues;
1104 sta->sta.max_sp = params->max_sp;
1108 * cfg80211 validates this (1-2007) and allows setting the AID
1109 * only when creating a new station entry
1112 sta->sta.aid = params->aid;
1115 * Some of the following updates would be racy if called on an
1116 * existing station, via ieee80211_change_station(). However,
1117 * all such changes are rejected by cfg80211 except for updates
1118 * changing the supported rates on an existing but not yet used
1122 if (params->listen_interval >= 0)
1123 sta->listen_interval = params->listen_interval;
1125 if (params->supported_rates) {
1126 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1127 sband, params->supported_rates,
1128 params->supported_rates_len,
1129 &sta->sta.supp_rates[band]);
1132 if (params->ht_capa)
1133 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1134 params->ht_capa, sta);
1136 if (params->vht_capa)
1137 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1138 params->vht_capa, sta);
1140 if (params->opmode_notif_used) {
1141 /* returned value is only needed for rc update, but the
1142 * rc isn't initialized here yet, so ignore it
1144 __ieee80211_vht_handle_opmode(sdata, sta,
1145 params->opmode_notif,
1149 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1150 #ifdef CONFIG_MAC80211_MESH
1153 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1154 switch (params->plink_state) {
1155 case NL80211_PLINK_ESTAB:
1156 if (sta->plink_state != NL80211_PLINK_ESTAB)
1157 changed = mesh_plink_inc_estab_count(
1159 sta->plink_state = params->plink_state;
1161 ieee80211_mps_sta_status_update(sta);
1162 changed |= ieee80211_mps_set_sta_local_pm(sta,
1163 sdata->u.mesh.mshcfg.power_mode);
1165 case NL80211_PLINK_LISTEN:
1166 case NL80211_PLINK_BLOCKED:
1167 case NL80211_PLINK_OPN_SNT:
1168 case NL80211_PLINK_OPN_RCVD:
1169 case NL80211_PLINK_CNF_RCVD:
1170 case NL80211_PLINK_HOLDING:
1171 if (sta->plink_state == NL80211_PLINK_ESTAB)
1172 changed = mesh_plink_dec_estab_count(
1174 sta->plink_state = params->plink_state;
1176 ieee80211_mps_sta_status_update(sta);
1177 changed |= ieee80211_mps_set_sta_local_pm(sta,
1178 NL80211_MESH_POWER_UNKNOWN);
1186 switch (params->plink_action) {
1187 case NL80211_PLINK_ACTION_NO_ACTION:
1190 case NL80211_PLINK_ACTION_OPEN:
1191 changed |= mesh_plink_open(sta);
1193 case NL80211_PLINK_ACTION_BLOCK:
1194 changed |= mesh_plink_block(sta);
1198 if (params->local_pm)
1200 ieee80211_mps_set_sta_local_pm(sta,
1202 ieee80211_mbss_info_change_notify(sdata, changed);
1206 /* set the STA state after all sta info from usermode has been set */
1207 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1208 ret = sta_apply_auth_flags(local, sta, mask, set);
1216 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1218 struct station_parameters *params)
1220 struct ieee80211_local *local = wiphy_priv(wiphy);
1221 struct sta_info *sta;
1222 struct ieee80211_sub_if_data *sdata;
1227 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1229 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1230 sdata->vif.type != NL80211_IFTYPE_AP)
1233 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1235 if (ether_addr_equal(mac, sdata->vif.addr))
1238 if (is_multicast_ether_addr(mac))
1241 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1246 * defaults -- if userspace wants something else we'll
1247 * change it accordingly in sta_apply_parameters()
1249 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1250 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1251 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1253 sta->sta.tdls = true;
1256 err = sta_apply_parameters(local, sta, params);
1258 sta_info_free(local, sta);
1263 * for TDLS, rate control should be initialized only when
1264 * rates are known and station is marked authorized
1266 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1267 rate_control_rate_init(sta);
1269 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1270 sdata->vif.type == NL80211_IFTYPE_AP;
1272 err = sta_info_insert_rcu(sta);
1279 ieee80211_send_layer2_update(sta);
1286 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1287 struct station_del_parameters *params)
1289 struct ieee80211_sub_if_data *sdata;
1291 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1294 return sta_info_destroy_addr_bss(sdata, params->mac);
1296 sta_info_flush(sdata);
1300 static int ieee80211_change_station(struct wiphy *wiphy,
1301 struct net_device *dev, const u8 *mac,
1302 struct station_parameters *params)
1304 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1305 struct ieee80211_local *local = wiphy_priv(wiphy);
1306 struct sta_info *sta;
1307 struct ieee80211_sub_if_data *vlansdata;
1308 enum cfg80211_station_type statype;
1311 mutex_lock(&local->sta_mtx);
1313 sta = sta_info_get_bss(sdata, mac);
1319 switch (sdata->vif.type) {
1320 case NL80211_IFTYPE_MESH_POINT:
1321 if (sdata->u.mesh.user_mpm)
1322 statype = CFG80211_STA_MESH_PEER_USER;
1324 statype = CFG80211_STA_MESH_PEER_KERNEL;
1326 case NL80211_IFTYPE_ADHOC:
1327 statype = CFG80211_STA_IBSS;
1329 case NL80211_IFTYPE_STATION:
1330 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1331 statype = CFG80211_STA_AP_STA;
1334 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1335 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1337 statype = CFG80211_STA_TDLS_PEER_SETUP;
1339 case NL80211_IFTYPE_AP:
1340 case NL80211_IFTYPE_AP_VLAN:
1341 statype = CFG80211_STA_AP_CLIENT;
1348 err = cfg80211_check_station_change(wiphy, params, statype);
1352 if (params->vlan && params->vlan != sta->sdata->dev) {
1353 bool prev_4addr = false;
1354 bool new_4addr = false;
1356 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1358 if (params->vlan->ieee80211_ptr->use_4addr) {
1359 if (vlansdata->u.vlan.sta) {
1364 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1368 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1369 sta->sdata->u.vlan.sta) {
1370 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1374 sta->sdata = vlansdata;
1376 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1377 prev_4addr != new_4addr) {
1379 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1381 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1384 ieee80211_send_layer2_update(sta);
1387 err = sta_apply_parameters(local, sta, params);
1391 mutex_unlock(&local->sta_mtx);
1393 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1394 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1395 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1396 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1397 sta_info_tx_streams(sta) != 1) {
1399 "%pM just authorized and MIMO capable - update SMPS\n",
1401 ieee80211_send_smps_action(sta->sdata,
1402 sta->sdata->bss->req_smps,
1404 sta->sdata->vif.bss_conf.bssid);
1407 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1408 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1409 ieee80211_recalc_ps(local, -1);
1410 ieee80211_recalc_ps_vif(sdata);
1415 mutex_unlock(&local->sta_mtx);
1419 #ifdef CONFIG_MAC80211_MESH
1420 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1421 const u8 *dst, const u8 *next_hop)
1423 struct ieee80211_sub_if_data *sdata;
1424 struct mesh_path *mpath;
1425 struct sta_info *sta;
1427 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1430 sta = sta_info_get(sdata, next_hop);
1436 mpath = mesh_path_add(sdata, dst);
1437 if (IS_ERR(mpath)) {
1439 return PTR_ERR(mpath);
1442 mesh_path_fix_nexthop(mpath, sta);
1448 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1451 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1454 return mesh_path_del(sdata, dst);
1456 mesh_path_flush_by_iface(sdata);
1460 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1461 const u8 *dst, const u8 *next_hop)
1463 struct ieee80211_sub_if_data *sdata;
1464 struct mesh_path *mpath;
1465 struct sta_info *sta;
1467 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1471 sta = sta_info_get(sdata, next_hop);
1477 mpath = mesh_path_lookup(sdata, dst);
1483 mesh_path_fix_nexthop(mpath, sta);
1489 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1490 struct mpath_info *pinfo)
1492 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1495 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1497 eth_zero_addr(next_hop);
1499 memset(pinfo, 0, sizeof(*pinfo));
1501 pinfo->generation = mesh_paths_generation;
1503 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1506 MPATH_INFO_EXPTIME |
1507 MPATH_INFO_DISCOVERY_TIMEOUT |
1508 MPATH_INFO_DISCOVERY_RETRIES |
1511 pinfo->frame_qlen = mpath->frame_queue.qlen;
1512 pinfo->sn = mpath->sn;
1513 pinfo->metric = mpath->metric;
1514 if (time_before(jiffies, mpath->exp_time))
1515 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1516 pinfo->discovery_timeout =
1517 jiffies_to_msecs(mpath->discovery_timeout);
1518 pinfo->discovery_retries = mpath->discovery_retries;
1519 if (mpath->flags & MESH_PATH_ACTIVE)
1520 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1521 if (mpath->flags & MESH_PATH_RESOLVING)
1522 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1523 if (mpath->flags & MESH_PATH_SN_VALID)
1524 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1525 if (mpath->flags & MESH_PATH_FIXED)
1526 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1527 if (mpath->flags & MESH_PATH_RESOLVED)
1528 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1531 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1532 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1535 struct ieee80211_sub_if_data *sdata;
1536 struct mesh_path *mpath;
1538 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1541 mpath = mesh_path_lookup(sdata, dst);
1546 memcpy(dst, mpath->dst, ETH_ALEN);
1547 mpath_set_pinfo(mpath, next_hop, pinfo);
1552 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1553 int idx, u8 *dst, u8 *next_hop,
1554 struct mpath_info *pinfo)
1556 struct ieee80211_sub_if_data *sdata;
1557 struct mesh_path *mpath;
1559 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1562 mpath = mesh_path_lookup_by_idx(sdata, idx);
1567 memcpy(dst, mpath->dst, ETH_ALEN);
1568 mpath_set_pinfo(mpath, next_hop, pinfo);
1573 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1574 struct mpath_info *pinfo)
1576 memset(pinfo, 0, sizeof(*pinfo));
1577 memcpy(mpp, mpath->mpp, ETH_ALEN);
1579 pinfo->generation = mpp_paths_generation;
1582 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1583 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1586 struct ieee80211_sub_if_data *sdata;
1587 struct mesh_path *mpath;
1589 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1592 mpath = mpp_path_lookup(sdata, dst);
1597 memcpy(dst, mpath->dst, ETH_ALEN);
1598 mpp_set_pinfo(mpath, mpp, pinfo);
1603 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1604 int idx, u8 *dst, u8 *mpp,
1605 struct mpath_info *pinfo)
1607 struct ieee80211_sub_if_data *sdata;
1608 struct mesh_path *mpath;
1610 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1613 mpath = mpp_path_lookup_by_idx(sdata, idx);
1618 memcpy(dst, mpath->dst, ETH_ALEN);
1619 mpp_set_pinfo(mpath, mpp, pinfo);
1624 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1625 struct net_device *dev,
1626 struct mesh_config *conf)
1628 struct ieee80211_sub_if_data *sdata;
1629 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1631 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1635 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1637 return (mask >> (parm-1)) & 0x1;
1640 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1641 const struct mesh_setup *setup)
1645 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1646 struct ieee80211_sub_if_data, u.mesh);
1648 /* allocate information elements */
1652 if (setup->ie_len) {
1653 new_ie = kmemdup(setup->ie, setup->ie_len,
1658 ifmsh->ie_len = setup->ie_len;
1662 /* now copy the rest of the setup parameters */
1663 ifmsh->mesh_id_len = setup->mesh_id_len;
1664 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1665 ifmsh->mesh_sp_id = setup->sync_method;
1666 ifmsh->mesh_pp_id = setup->path_sel_proto;
1667 ifmsh->mesh_pm_id = setup->path_metric;
1668 ifmsh->user_mpm = setup->user_mpm;
1669 ifmsh->mesh_auth_id = setup->auth_id;
1670 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1671 if (setup->is_authenticated)
1672 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1673 if (setup->is_secure)
1674 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1676 /* mcast rate setting in Mesh Node */
1677 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1678 sizeof(setup->mcast_rate));
1679 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1681 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1682 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1687 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1688 struct net_device *dev, u32 mask,
1689 const struct mesh_config *nconf)
1691 struct mesh_config *conf;
1692 struct ieee80211_sub_if_data *sdata;
1693 struct ieee80211_if_mesh *ifmsh;
1695 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1696 ifmsh = &sdata->u.mesh;
1698 /* Set the config options which we are interested in setting */
1699 conf = &(sdata->u.mesh.mshcfg);
1700 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1701 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1702 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1703 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1704 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1705 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1706 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1707 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1708 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1709 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1710 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1711 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1712 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1713 conf->element_ttl = nconf->element_ttl;
1714 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1715 if (ifmsh->user_mpm)
1717 conf->auto_open_plinks = nconf->auto_open_plinks;
1719 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1720 conf->dot11MeshNbrOffsetMaxNeighbor =
1721 nconf->dot11MeshNbrOffsetMaxNeighbor;
1722 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1723 conf->dot11MeshHWMPmaxPREQretries =
1724 nconf->dot11MeshHWMPmaxPREQretries;
1725 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1726 conf->path_refresh_time = nconf->path_refresh_time;
1727 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1728 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1729 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1730 conf->dot11MeshHWMPactivePathTimeout =
1731 nconf->dot11MeshHWMPactivePathTimeout;
1732 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1733 conf->dot11MeshHWMPpreqMinInterval =
1734 nconf->dot11MeshHWMPpreqMinInterval;
1735 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1736 conf->dot11MeshHWMPperrMinInterval =
1737 nconf->dot11MeshHWMPperrMinInterval;
1738 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1740 conf->dot11MeshHWMPnetDiameterTraversalTime =
1741 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1742 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1743 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1744 ieee80211_mesh_root_setup(ifmsh);
1746 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1747 /* our current gate announcement implementation rides on root
1748 * announcements, so require this ifmsh to also be a root node
1750 if (nconf->dot11MeshGateAnnouncementProtocol &&
1751 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1752 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1753 ieee80211_mesh_root_setup(ifmsh);
1755 conf->dot11MeshGateAnnouncementProtocol =
1756 nconf->dot11MeshGateAnnouncementProtocol;
1758 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1759 conf->dot11MeshHWMPRannInterval =
1760 nconf->dot11MeshHWMPRannInterval;
1761 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1762 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1763 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1764 /* our RSSI threshold implementation is supported only for
1765 * devices that report signal in dBm.
1767 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1769 conf->rssi_threshold = nconf->rssi_threshold;
1771 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1772 conf->ht_opmode = nconf->ht_opmode;
1773 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1774 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1776 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1777 conf->dot11MeshHWMPactivePathToRootTimeout =
1778 nconf->dot11MeshHWMPactivePathToRootTimeout;
1779 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1780 conf->dot11MeshHWMProotInterval =
1781 nconf->dot11MeshHWMProotInterval;
1782 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1783 conf->dot11MeshHWMPconfirmationInterval =
1784 nconf->dot11MeshHWMPconfirmationInterval;
1785 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1786 conf->power_mode = nconf->power_mode;
1787 ieee80211_mps_local_status_update(sdata);
1789 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1790 conf->dot11MeshAwakeWindowDuration =
1791 nconf->dot11MeshAwakeWindowDuration;
1792 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1793 conf->plink_timeout = nconf->plink_timeout;
1794 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1798 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1799 const struct mesh_config *conf,
1800 const struct mesh_setup *setup)
1802 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1803 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1806 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1807 err = copy_mesh_setup(ifmsh, setup);
1811 /* can mesh use other SMPS modes? */
1812 sdata->smps_mode = IEEE80211_SMPS_OFF;
1813 sdata->needed_rx_chains = sdata->local->rx_chains;
1815 mutex_lock(&sdata->local->mtx);
1816 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1817 IEEE80211_CHANCTX_SHARED);
1818 mutex_unlock(&sdata->local->mtx);
1822 return ieee80211_start_mesh(sdata);
1825 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1827 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1829 ieee80211_stop_mesh(sdata);
1830 mutex_lock(&sdata->local->mtx);
1831 ieee80211_vif_release_channel(sdata);
1832 mutex_unlock(&sdata->local->mtx);
1838 static int ieee80211_change_bss(struct wiphy *wiphy,
1839 struct net_device *dev,
1840 struct bss_parameters *params)
1842 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1843 enum ieee80211_band band;
1846 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
1849 band = ieee80211_get_sdata_band(sdata);
1851 if (params->use_cts_prot >= 0) {
1852 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1853 changed |= BSS_CHANGED_ERP_CTS_PROT;
1855 if (params->use_short_preamble >= 0) {
1856 sdata->vif.bss_conf.use_short_preamble =
1857 params->use_short_preamble;
1858 changed |= BSS_CHANGED_ERP_PREAMBLE;
1861 if (!sdata->vif.bss_conf.use_short_slot &&
1862 band == IEEE80211_BAND_5GHZ) {
1863 sdata->vif.bss_conf.use_short_slot = true;
1864 changed |= BSS_CHANGED_ERP_SLOT;
1867 if (params->use_short_slot_time >= 0) {
1868 sdata->vif.bss_conf.use_short_slot =
1869 params->use_short_slot_time;
1870 changed |= BSS_CHANGED_ERP_SLOT;
1873 if (params->basic_rates) {
1874 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1876 params->basic_rates,
1877 params->basic_rates_len,
1878 &sdata->vif.bss_conf.basic_rates);
1879 changed |= BSS_CHANGED_BASIC_RATES;
1882 if (params->ap_isolate >= 0) {
1883 if (params->ap_isolate)
1884 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1886 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1889 if (params->ht_opmode >= 0) {
1890 sdata->vif.bss_conf.ht_operation_mode =
1891 (u16) params->ht_opmode;
1892 changed |= BSS_CHANGED_HT;
1895 if (params->p2p_ctwindow >= 0) {
1896 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1897 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1898 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1899 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1900 changed |= BSS_CHANGED_P2P_PS;
1903 if (params->p2p_opp_ps > 0) {
1904 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1905 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1906 changed |= BSS_CHANGED_P2P_PS;
1907 } else if (params->p2p_opp_ps == 0) {
1908 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1909 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
1910 changed |= BSS_CHANGED_P2P_PS;
1913 ieee80211_bss_info_change_notify(sdata, changed);
1918 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1919 struct net_device *dev,
1920 struct ieee80211_txq_params *params)
1922 struct ieee80211_local *local = wiphy_priv(wiphy);
1923 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1924 struct ieee80211_tx_queue_params p;
1926 if (!local->ops->conf_tx)
1929 if (local->hw.queues < IEEE80211_NUM_ACS)
1932 memset(&p, 0, sizeof(p));
1933 p.aifs = params->aifs;
1934 p.cw_max = params->cwmax;
1935 p.cw_min = params->cwmin;
1936 p.txop = params->txop;
1939 * Setting tx queue params disables u-apsd because it's only
1940 * called in master mode.
1944 sdata->tx_conf[params->ac] = p;
1945 if (drv_conf_tx(local, sdata, params->ac, &p)) {
1946 wiphy_debug(local->hw.wiphy,
1947 "failed to set TX queue parameters for AC %d\n",
1952 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1958 static int ieee80211_suspend(struct wiphy *wiphy,
1959 struct cfg80211_wowlan *wowlan)
1961 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
1964 static int ieee80211_resume(struct wiphy *wiphy)
1966 return __ieee80211_resume(wiphy_priv(wiphy));
1969 #define ieee80211_suspend NULL
1970 #define ieee80211_resume NULL
1973 static int ieee80211_scan(struct wiphy *wiphy,
1974 struct cfg80211_scan_request *req)
1976 struct ieee80211_sub_if_data *sdata;
1978 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
1980 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1981 case NL80211_IFTYPE_STATION:
1982 case NL80211_IFTYPE_ADHOC:
1983 case NL80211_IFTYPE_MESH_POINT:
1984 case NL80211_IFTYPE_P2P_CLIENT:
1985 case NL80211_IFTYPE_P2P_DEVICE:
1987 case NL80211_IFTYPE_P2P_GO:
1988 if (sdata->local->ops->hw_scan)
1991 * FIXME: implement NoA while scanning in software,
1992 * for now fall through to allow scanning only when
1993 * beaconing hasn't been configured yet
1995 case NL80211_IFTYPE_AP:
1997 * If the scan has been forced (and the driver supports
1998 * forcing), don't care about being beaconing already.
1999 * This will create problems to the attached stations (e.g. all
2000 * the frames sent while scanning on other channel will be
2003 if (sdata->u.ap.beacon &&
2004 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2005 !(req->flags & NL80211_SCAN_FLAG_AP)))
2012 return ieee80211_request_scan(sdata, req);
2016 ieee80211_sched_scan_start(struct wiphy *wiphy,
2017 struct net_device *dev,
2018 struct cfg80211_sched_scan_request *req)
2020 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2022 if (!sdata->local->ops->sched_scan_start)
2025 return ieee80211_request_sched_scan_start(sdata, req);
2029 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2031 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2033 if (!sdata->local->ops->sched_scan_stop)
2036 return ieee80211_request_sched_scan_stop(sdata);
2039 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2040 struct cfg80211_auth_request *req)
2042 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2045 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2046 struct cfg80211_assoc_request *req)
2048 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2051 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2052 struct cfg80211_deauth_request *req)
2054 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2057 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2058 struct cfg80211_disassoc_request *req)
2060 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2063 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2064 struct cfg80211_ibss_params *params)
2066 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2069 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2071 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2074 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2075 struct ocb_setup *setup)
2077 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2080 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2082 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2085 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2086 int rate[IEEE80211_NUM_BANDS])
2088 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2090 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2091 sizeof(int) * IEEE80211_NUM_BANDS);
2096 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2098 struct ieee80211_local *local = wiphy_priv(wiphy);
2101 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2102 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2108 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2109 (changed & WIPHY_PARAM_DYN_ACK)) {
2112 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2113 wiphy->coverage_class : -1;
2114 err = drv_set_coverage_class(local, coverage_class);
2120 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2121 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2127 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2128 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2130 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2132 if (changed & WIPHY_PARAM_RETRY_LONG) {
2133 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2135 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2138 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2139 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2144 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2145 struct wireless_dev *wdev,
2146 enum nl80211_tx_power_setting type, int mbm)
2148 struct ieee80211_local *local = wiphy_priv(wiphy);
2149 struct ieee80211_sub_if_data *sdata;
2150 enum nl80211_tx_power_setting txp_type = type;
2151 bool update_txp_type = false;
2154 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2157 case NL80211_TX_POWER_AUTOMATIC:
2158 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2159 txp_type = NL80211_TX_POWER_LIMITED;
2161 case NL80211_TX_POWER_LIMITED:
2162 case NL80211_TX_POWER_FIXED:
2163 if (mbm < 0 || (mbm % 100))
2165 sdata->user_power_level = MBM_TO_DBM(mbm);
2169 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2170 update_txp_type = true;
2171 sdata->vif.bss_conf.txpower_type = txp_type;
2174 ieee80211_recalc_txpower(sdata, update_txp_type);
2180 case NL80211_TX_POWER_AUTOMATIC:
2181 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2182 txp_type = NL80211_TX_POWER_LIMITED;
2184 case NL80211_TX_POWER_LIMITED:
2185 case NL80211_TX_POWER_FIXED:
2186 if (mbm < 0 || (mbm % 100))
2188 local->user_power_level = MBM_TO_DBM(mbm);
2192 mutex_lock(&local->iflist_mtx);
2193 list_for_each_entry(sdata, &local->interfaces, list) {
2194 sdata->user_power_level = local->user_power_level;
2195 if (txp_type != sdata->vif.bss_conf.txpower_type)
2196 update_txp_type = true;
2197 sdata->vif.bss_conf.txpower_type = txp_type;
2199 list_for_each_entry(sdata, &local->interfaces, list)
2200 ieee80211_recalc_txpower(sdata, update_txp_type);
2201 mutex_unlock(&local->iflist_mtx);
2206 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2207 struct wireless_dev *wdev,
2210 struct ieee80211_local *local = wiphy_priv(wiphy);
2211 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2213 if (local->ops->get_txpower)
2214 return drv_get_txpower(local, sdata, dbm);
2216 if (!local->use_chanctx)
2217 *dbm = local->hw.conf.power_level;
2219 *dbm = sdata->vif.bss_conf.txpower;
2224 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2227 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2229 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2234 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2236 struct ieee80211_local *local = wiphy_priv(wiphy);
2238 drv_rfkill_poll(local);
2241 #ifdef CONFIG_NL80211_TESTMODE
2242 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2243 struct wireless_dev *wdev,
2244 void *data, int len)
2246 struct ieee80211_local *local = wiphy_priv(wiphy);
2247 struct ieee80211_vif *vif = NULL;
2249 if (!local->ops->testmode_cmd)
2253 struct ieee80211_sub_if_data *sdata;
2255 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2256 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2260 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2263 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2264 struct sk_buff *skb,
2265 struct netlink_callback *cb,
2266 void *data, int len)
2268 struct ieee80211_local *local = wiphy_priv(wiphy);
2270 if (!local->ops->testmode_dump)
2273 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2277 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2278 enum ieee80211_smps_mode smps_mode)
2280 struct sta_info *sta;
2281 enum ieee80211_smps_mode old_req;
2283 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2286 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2289 old_req = sdata->u.ap.req_smps;
2290 sdata->u.ap.req_smps = smps_mode;
2292 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2293 if (old_req == smps_mode ||
2294 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2297 /* If no associated stations, there's no need to do anything */
2298 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2299 sdata->smps_mode = smps_mode;
2300 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2305 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2306 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2308 mutex_lock(&sdata->local->sta_mtx);
2309 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2311 * Only stations associated to our AP and
2314 if (sta->sdata->bss != &sdata->u.ap)
2317 /* This station doesn't support MIMO - skip it */
2318 if (sta_info_tx_streams(sta) == 1)
2322 * Don't wake up a STA just to send the action frame
2323 * unless we are getting more restrictive.
2325 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2326 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2328 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2334 * If the STA is not authorized, wait until it gets
2335 * authorized and the action frame will be sent then.
2337 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2340 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2341 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2342 sdata->vif.bss_conf.bssid);
2344 mutex_unlock(&sdata->local->sta_mtx);
2346 sdata->smps_mode = smps_mode;
2347 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2352 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2353 enum ieee80211_smps_mode smps_mode)
2356 enum ieee80211_smps_mode old_req;
2359 lockdep_assert_held(&sdata->wdev.mtx);
2361 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2364 old_req = sdata->u.mgd.req_smps;
2365 sdata->u.mgd.req_smps = smps_mode;
2367 if (old_req == smps_mode &&
2368 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2372 * If not associated, or current association is not an HT
2373 * association, there's no need to do anything, just store
2374 * the new value until we associate.
2376 if (!sdata->u.mgd.associated ||
2377 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2380 ap = sdata->u.mgd.associated->bssid;
2382 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2383 if (sdata->u.mgd.powersave)
2384 smps_mode = IEEE80211_SMPS_DYNAMIC;
2386 smps_mode = IEEE80211_SMPS_OFF;
2389 /* send SM PS frame to AP */
2390 err = ieee80211_send_smps_action(sdata, smps_mode,
2393 sdata->u.mgd.req_smps = old_req;
2398 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2399 bool enabled, int timeout)
2401 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2402 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2404 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2407 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2410 if (enabled == sdata->u.mgd.powersave &&
2411 timeout == local->dynamic_ps_forced_timeout)
2414 sdata->u.mgd.powersave = enabled;
2415 local->dynamic_ps_forced_timeout = timeout;
2417 /* no change, but if automatic follow powersave */
2419 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2420 sdata_unlock(sdata);
2422 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2423 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2425 ieee80211_recalc_ps(local, -1);
2426 ieee80211_recalc_ps_vif(sdata);
2431 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2432 struct net_device *dev,
2433 s32 rssi_thold, u32 rssi_hyst)
2435 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2436 struct ieee80211_vif *vif = &sdata->vif;
2437 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2439 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2440 rssi_hyst == bss_conf->cqm_rssi_hyst)
2443 bss_conf->cqm_rssi_thold = rssi_thold;
2444 bss_conf->cqm_rssi_hyst = rssi_hyst;
2446 /* tell the driver upon association, unless already associated */
2447 if (sdata->u.mgd.associated &&
2448 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2449 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2454 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2455 struct net_device *dev,
2457 const struct cfg80211_bitrate_mask *mask)
2459 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2460 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2463 if (!ieee80211_sdata_running(sdata))
2466 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2467 ret = drv_set_bitrate_mask(local, sdata, mask);
2472 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2473 struct ieee80211_supported_band *sband = wiphy->bands[i];
2476 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2477 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2478 sizeof(mask->control[i].ht_mcs));
2480 sdata->rc_has_mcs_mask[i] = false;
2484 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2485 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2486 sdata->rc_has_mcs_mask[i] = true;
2494 static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
2495 struct ieee80211_roc_work *new_roc,
2496 struct ieee80211_roc_work *cur_roc)
2498 unsigned long j = jiffies;
2499 unsigned long cur_roc_end = cur_roc->hw_start_time +
2500 msecs_to_jiffies(cur_roc->duration);
2501 struct ieee80211_roc_work *next_roc;
2504 if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
2507 if (time_after(j + IEEE80211_ROC_MIN_LEFT, cur_roc_end))
2510 ieee80211_handle_roc_started(new_roc);
2512 new_dur = new_roc->duration - jiffies_to_msecs(cur_roc_end - j);
2514 /* cur_roc is long enough - add new_roc to the dependents list. */
2516 list_add_tail(&new_roc->list, &cur_roc->dependents);
2520 new_roc->duration = new_dur;
2523 * if cur_roc was already coalesced before, we might
2524 * want to extend the next roc instead of adding
2527 next_roc = list_entry(cur_roc->list.next,
2528 struct ieee80211_roc_work, list);
2529 if (&next_roc->list != &local->roc_list &&
2530 next_roc->chan == new_roc->chan &&
2531 next_roc->sdata == new_roc->sdata &&
2532 !WARN_ON(next_roc->started)) {
2533 list_add_tail(&new_roc->list, &next_roc->dependents);
2534 next_roc->duration = max(next_roc->duration,
2536 next_roc->type = max(next_roc->type, new_roc->type);
2540 /* add right after cur_roc */
2541 list_add(&new_roc->list, &cur_roc->list);
2546 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2547 struct ieee80211_sub_if_data *sdata,
2548 struct ieee80211_channel *channel,
2549 unsigned int duration, u64 *cookie,
2550 struct sk_buff *txskb,
2551 enum ieee80211_roc_type type)
2553 struct ieee80211_roc_work *roc, *tmp;
2554 bool queued = false;
2557 lockdep_assert_held(&local->mtx);
2559 if (local->use_chanctx && !local->ops->remain_on_channel)
2562 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2567 * If the duration is zero, then the driver
2568 * wouldn't actually do anything. Set it to
2571 * TODO: cancel the off-channel operation
2572 * when we get the SKB's TX status and
2573 * the wait time was zero before.
2578 roc->chan = channel;
2579 roc->duration = duration;
2580 roc->req_duration = duration;
2583 roc->mgmt_tx_cookie = (unsigned long)txskb;
2585 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2586 INIT_LIST_HEAD(&roc->dependents);
2589 * cookie is either the roc cookie (for normal roc)
2590 * or the SKB (for mgmt TX)
2593 /* local->mtx protects this */
2594 local->roc_cookie_counter++;
2595 roc->cookie = local->roc_cookie_counter;
2596 /* wow, you wrapped 64 bits ... more likely a bug */
2597 if (WARN_ON(roc->cookie == 0)) {
2599 local->roc_cookie_counter++;
2601 *cookie = roc->cookie;
2603 *cookie = (unsigned long)txskb;
2606 /* if there's one pending or we're scanning, queue this one */
2607 if (!list_empty(&local->roc_list) ||
2608 local->scanning || ieee80211_is_radar_required(local))
2609 goto out_check_combine;
2611 /* if not HW assist, just queue & schedule work */
2612 if (!local->ops->remain_on_channel) {
2613 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2617 /* otherwise actually kick it off here (for error handling) */
2619 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
2625 roc->started = true;
2629 list_for_each_entry(tmp, &local->roc_list, list) {
2630 if (tmp->chan != channel || tmp->sdata != sdata)
2634 * Extend this ROC if possible:
2636 * If it hasn't started yet, just increase the duration
2637 * and add the new one to the list of dependents.
2638 * If the type of the new ROC has higher priority, modify the
2639 * type of the previous one to match that of the new one.
2641 if (!tmp->started) {
2642 list_add_tail(&roc->list, &tmp->dependents);
2643 tmp->duration = max(tmp->duration, roc->duration);
2644 tmp->type = max(tmp->type, roc->type);
2649 /* If it has already started, it's more difficult ... */
2650 if (local->ops->remain_on_channel) {
2652 * In the offloaded ROC case, if it hasn't begun, add
2653 * this new one to the dependent list to be handled
2654 * when the master one begins. If it has begun,
2655 * check that there's still a minimum time left and
2656 * if so, start this one, transmitting the frame, but
2657 * add it to the list directly after this one with
2658 * a reduced time so we'll ask the driver to execute
2659 * it right after finishing the previous one, in the
2660 * hope that it'll also be executed right afterwards,
2661 * effectively extending the old one.
2662 * If there's no minimum time left, just add it to the
2664 * TODO: the ROC type is ignored here, assuming that it
2665 * is better to immediately use the current ROC.
2667 if (!tmp->hw_begun) {
2668 list_add_tail(&roc->list, &tmp->dependents);
2673 if (ieee80211_coalesce_started_roc(local, roc, tmp))
2675 } else if (del_timer_sync(&tmp->work.timer)) {
2676 unsigned long new_end;
2679 * In the software ROC case, cancel the timer, if
2680 * that fails then the finish work is already
2681 * queued/pending and thus we queue the new ROC
2682 * normally, if that succeeds then we can extend
2683 * the timer duration and TX the frame (if any.)
2686 list_add_tail(&roc->list, &tmp->dependents);
2689 new_end = jiffies + msecs_to_jiffies(roc->duration);
2691 /* ok, it was started & we canceled timer */
2692 if (time_after(new_end, tmp->work.timer.expires))
2693 mod_timer(&tmp->work.timer, new_end);
2695 add_timer(&tmp->work.timer);
2697 ieee80211_handle_roc_started(roc);
2704 list_add_tail(&roc->list, &local->roc_list);
2709 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2710 struct wireless_dev *wdev,
2711 struct ieee80211_channel *chan,
2712 unsigned int duration,
2715 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2716 struct ieee80211_local *local = sdata->local;
2719 mutex_lock(&local->mtx);
2720 ret = ieee80211_start_roc_work(local, sdata, chan,
2721 duration, cookie, NULL,
2722 IEEE80211_ROC_TYPE_NORMAL);
2723 mutex_unlock(&local->mtx);
2728 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2729 u64 cookie, bool mgmt_tx)
2731 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2734 mutex_lock(&local->mtx);
2735 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2736 struct ieee80211_roc_work *dep, *tmp2;
2738 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2739 if (!mgmt_tx && dep->cookie != cookie)
2741 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2743 /* found dependent item -- just remove it */
2744 list_del(&dep->list);
2745 mutex_unlock(&local->mtx);
2747 ieee80211_roc_notify_destroy(dep, true);
2751 if (!mgmt_tx && roc->cookie != cookie)
2753 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2761 mutex_unlock(&local->mtx);
2766 * We found the item to cancel, so do that. Note that it
2767 * may have dependents, which we also cancel (and send
2768 * the expired signal for.) Not doing so would be quite
2769 * tricky here, but we may need to fix it later.
2772 if (local->ops->remain_on_channel) {
2773 if (found->started) {
2774 ret = drv_cancel_remain_on_channel(local);
2775 if (WARN_ON_ONCE(ret)) {
2776 mutex_unlock(&local->mtx);
2781 list_del(&found->list);
2784 ieee80211_start_next_roc(local);
2785 mutex_unlock(&local->mtx);
2787 ieee80211_roc_notify_destroy(found, true);
2789 /* work may be pending so use it all the time */
2790 found->abort = true;
2791 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2793 mutex_unlock(&local->mtx);
2795 /* work will clean up etc */
2796 flush_delayed_work(&found->work);
2797 WARN_ON(!found->to_be_freed);
2804 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2805 struct wireless_dev *wdev,
2808 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2809 struct ieee80211_local *local = sdata->local;
2811 return ieee80211_cancel_roc(local, cookie, false);
2814 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2815 struct net_device *dev,
2816 struct cfg80211_chan_def *chandef,
2819 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2820 struct ieee80211_local *local = sdata->local;
2823 mutex_lock(&local->mtx);
2824 if (!list_empty(&local->roc_list) || local->scanning) {
2829 /* whatever, but channel contexts should not complain about that one */
2830 sdata->smps_mode = IEEE80211_SMPS_OFF;
2831 sdata->needed_rx_chains = local->rx_chains;
2833 err = ieee80211_vif_use_channel(sdata, chandef,
2834 IEEE80211_CHANCTX_SHARED);
2838 ieee80211_queue_delayed_work(&sdata->local->hw,
2839 &sdata->dfs_cac_timer_work,
2840 msecs_to_jiffies(cac_time_ms));
2843 mutex_unlock(&local->mtx);
2847 static struct cfg80211_beacon_data *
2848 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2850 struct cfg80211_beacon_data *new_beacon;
2854 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2855 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2856 beacon->probe_resp_len;
2858 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2862 pos = (u8 *)(new_beacon + 1);
2863 if (beacon->head_len) {
2864 new_beacon->head_len = beacon->head_len;
2865 new_beacon->head = pos;
2866 memcpy(pos, beacon->head, beacon->head_len);
2867 pos += beacon->head_len;
2869 if (beacon->tail_len) {
2870 new_beacon->tail_len = beacon->tail_len;
2871 new_beacon->tail = pos;
2872 memcpy(pos, beacon->tail, beacon->tail_len);
2873 pos += beacon->tail_len;
2875 if (beacon->beacon_ies_len) {
2876 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2877 new_beacon->beacon_ies = pos;
2878 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2879 pos += beacon->beacon_ies_len;
2881 if (beacon->proberesp_ies_len) {
2882 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2883 new_beacon->proberesp_ies = pos;
2884 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2885 pos += beacon->proberesp_ies_len;
2887 if (beacon->assocresp_ies_len) {
2888 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2889 new_beacon->assocresp_ies = pos;
2890 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2891 pos += beacon->assocresp_ies_len;
2893 if (beacon->probe_resp_len) {
2894 new_beacon->probe_resp_len = beacon->probe_resp_len;
2895 beacon->probe_resp = pos;
2896 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2897 pos += beacon->probe_resp_len;
2903 void ieee80211_csa_finish(struct ieee80211_vif *vif)
2905 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
2907 ieee80211_queue_work(&sdata->local->hw,
2908 &sdata->csa_finalize_work);
2910 EXPORT_SYMBOL(ieee80211_csa_finish);
2912 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2917 switch (sdata->vif.type) {
2918 case NL80211_IFTYPE_AP:
2919 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2921 kfree(sdata->u.ap.next_beacon);
2922 sdata->u.ap.next_beacon = NULL;
2928 case NL80211_IFTYPE_ADHOC:
2929 err = ieee80211_ibss_finish_csa(sdata);
2934 #ifdef CONFIG_MAC80211_MESH
2935 case NL80211_IFTYPE_MESH_POINT:
2936 err = ieee80211_mesh_finish_csa(sdata);
2950 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2952 struct ieee80211_local *local = sdata->local;
2956 sdata_assert_lock(sdata);
2957 lockdep_assert_held(&local->mtx);
2958 lockdep_assert_held(&local->chanctx_mtx);
2961 * using reservation isn't immediate as it may be deferred until later
2962 * with multi-vif. once reservation is complete it will re-schedule the
2963 * work with no reserved_chanctx so verify chandef to check if it
2964 * completed successfully
2967 if (sdata->reserved_chanctx) {
2969 * with multi-vif csa driver may call ieee80211_csa_finish()
2970 * many times while waiting for other interfaces to use their
2973 if (sdata->reserved_ready)
2976 return ieee80211_vif_use_reserved_context(sdata);
2979 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2980 &sdata->csa_chandef))
2983 sdata->vif.csa_active = false;
2985 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2989 ieee80211_bss_info_change_notify(sdata, changed);
2991 if (sdata->csa_block_tx) {
2992 ieee80211_wake_vif_queues(local, sdata,
2993 IEEE80211_QUEUE_STOP_REASON_CSA);
2994 sdata->csa_block_tx = false;
2997 err = drv_post_channel_switch(sdata);
3001 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3006 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3008 if (__ieee80211_csa_finalize(sdata)) {
3009 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3010 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3015 void ieee80211_csa_finalize_work(struct work_struct *work)
3017 struct ieee80211_sub_if_data *sdata =
3018 container_of(work, struct ieee80211_sub_if_data,
3020 struct ieee80211_local *local = sdata->local;
3023 mutex_lock(&local->mtx);
3024 mutex_lock(&local->chanctx_mtx);
3026 /* AP might have been stopped while waiting for the lock. */
3027 if (!sdata->vif.csa_active)
3030 if (!ieee80211_sdata_running(sdata))
3033 ieee80211_csa_finalize(sdata);
3036 mutex_unlock(&local->chanctx_mtx);
3037 mutex_unlock(&local->mtx);
3038 sdata_unlock(sdata);
3041 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3042 struct cfg80211_csa_settings *params,
3045 struct ieee80211_csa_settings csa = {};
3048 switch (sdata->vif.type) {
3049 case NL80211_IFTYPE_AP:
3050 sdata->u.ap.next_beacon =
3051 cfg80211_beacon_dup(¶ms->beacon_after);
3052 if (!sdata->u.ap.next_beacon)
3056 * With a count of 0, we don't have to wait for any
3057 * TBTT before switching, so complete the CSA
3058 * immediately. In theory, with a count == 1 we
3059 * should delay the switch until just before the next
3060 * TBTT, but that would complicate things so we switch
3061 * immediately too. If we would delay the switch
3062 * until the next TBTT, we would have to set the probe
3065 * TODO: A channel switch with count <= 1 without
3066 * sending a CSA action frame is kind of useless,
3067 * because the clients won't know we're changing
3068 * channels. The action frame must be implemented
3069 * either here or in the userspace.
3071 if (params->count <= 1)
3074 if ((params->n_counter_offsets_beacon >
3075 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3076 (params->n_counter_offsets_presp >
3077 IEEE80211_MAX_CSA_COUNTERS_NUM))
3080 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3081 csa.counter_offsets_presp = params->counter_offsets_presp;
3082 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3083 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3084 csa.count = params->count;
3086 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3088 kfree(sdata->u.ap.next_beacon);
3094 case NL80211_IFTYPE_ADHOC:
3095 if (!sdata->vif.bss_conf.ibss_joined)
3098 if (params->chandef.width != sdata->u.ibss.chandef.width)
3101 switch (params->chandef.width) {
3102 case NL80211_CHAN_WIDTH_40:
3103 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3104 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3106 case NL80211_CHAN_WIDTH_5:
3107 case NL80211_CHAN_WIDTH_10:
3108 case NL80211_CHAN_WIDTH_20_NOHT:
3109 case NL80211_CHAN_WIDTH_20:
3115 /* changes into another band are not supported */
3116 if (sdata->u.ibss.chandef.chan->band !=
3117 params->chandef.chan->band)
3120 /* see comments in the NL80211_IFTYPE_AP block */
3121 if (params->count > 1) {
3122 err = ieee80211_ibss_csa_beacon(sdata, params);
3128 ieee80211_send_action_csa(sdata, params);
3131 #ifdef CONFIG_MAC80211_MESH
3132 case NL80211_IFTYPE_MESH_POINT: {
3133 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3135 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3138 /* changes into another band are not supported */
3139 if (sdata->vif.bss_conf.chandef.chan->band !=
3140 params->chandef.chan->band)
3143 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3144 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3145 if (!ifmsh->pre_value)
3146 ifmsh->pre_value = 1;
3151 /* see comments in the NL80211_IFTYPE_AP block */
3152 if (params->count > 1) {
3153 err = ieee80211_mesh_csa_beacon(sdata, params);
3155 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3161 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3162 ieee80211_send_action_csa(sdata, params);
3175 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3176 struct cfg80211_csa_settings *params)
3178 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3179 struct ieee80211_local *local = sdata->local;
3180 struct ieee80211_channel_switch ch_switch;
3181 struct ieee80211_chanctx_conf *conf;
3182 struct ieee80211_chanctx *chanctx;
3186 sdata_assert_lock(sdata);
3187 lockdep_assert_held(&local->mtx);
3189 if (!list_empty(&local->roc_list) || local->scanning)
3192 if (sdata->wdev.cac_started)
3195 if (cfg80211_chandef_identical(¶ms->chandef,
3196 &sdata->vif.bss_conf.chandef))
3199 /* don't allow another channel switch if one is already active. */
3200 if (sdata->vif.csa_active)
3203 mutex_lock(&local->chanctx_mtx);
3204 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3205 lockdep_is_held(&local->chanctx_mtx));
3211 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3217 ch_switch.timestamp = 0;
3218 ch_switch.device_timestamp = 0;
3219 ch_switch.block_tx = params->block_tx;
3220 ch_switch.chandef = params->chandef;
3221 ch_switch.count = params->count;
3223 err = drv_pre_channel_switch(sdata, &ch_switch);
3227 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3229 params->radar_required);
3233 /* if reservation is invalid then this will fail */
3234 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3236 ieee80211_vif_unreserve_chanctx(sdata);
3240 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3242 ieee80211_vif_unreserve_chanctx(sdata);
3246 sdata->csa_chandef = params->chandef;
3247 sdata->csa_block_tx = params->block_tx;
3248 sdata->vif.csa_active = true;
3250 if (sdata->csa_block_tx)
3251 ieee80211_stop_vif_queues(local, sdata,
3252 IEEE80211_QUEUE_STOP_REASON_CSA);
3254 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3258 ieee80211_bss_info_change_notify(sdata, changed);
3259 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3261 /* if the beacon didn't change, we can finalize immediately */
3262 ieee80211_csa_finalize(sdata);
3266 mutex_unlock(&local->chanctx_mtx);
3270 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3271 struct cfg80211_csa_settings *params)
3273 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3274 struct ieee80211_local *local = sdata->local;
3277 mutex_lock(&local->mtx);
3278 err = __ieee80211_channel_switch(wiphy, dev, params);
3279 mutex_unlock(&local->mtx);
3284 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3285 struct cfg80211_mgmt_tx_params *params,
3288 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3289 struct ieee80211_local *local = sdata->local;
3290 struct sk_buff *skb;
3291 struct sta_info *sta;
3292 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
3293 bool need_offchan = false;
3298 if (params->dont_wait_for_ack)
3299 flags = IEEE80211_TX_CTL_NO_ACK;
3301 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3302 IEEE80211_TX_CTL_REQ_TX_STATUS;
3305 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3307 switch (sdata->vif.type) {
3308 case NL80211_IFTYPE_ADHOC:
3309 if (!sdata->vif.bss_conf.ibss_joined)
3310 need_offchan = true;
3312 #ifdef CONFIG_MAC80211_MESH
3313 case NL80211_IFTYPE_MESH_POINT:
3314 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3315 !sdata->u.mesh.mesh_id_len)
3316 need_offchan = true;
3319 case NL80211_IFTYPE_AP:
3320 case NL80211_IFTYPE_AP_VLAN:
3321 case NL80211_IFTYPE_P2P_GO:
3322 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3323 !ieee80211_vif_is_mesh(&sdata->vif) &&
3324 !rcu_access_pointer(sdata->bss->beacon))
3325 need_offchan = true;
3326 if (!ieee80211_is_action(mgmt->frame_control) ||
3327 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
3328 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3329 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
3332 sta = sta_info_get(sdata, mgmt->da);
3337 case NL80211_IFTYPE_STATION:
3338 case NL80211_IFTYPE_P2P_CLIENT:
3339 if (!sdata->u.mgd.associated)
3340 need_offchan = true;
3342 case NL80211_IFTYPE_P2P_DEVICE:
3343 need_offchan = true;
3349 /* configurations requiring offchan cannot work if no channel has been
3352 if (need_offchan && !params->chan)
3355 mutex_lock(&local->mtx);
3357 /* Check if the operating channel is the requested channel */
3358 if (!need_offchan) {
3359 struct ieee80211_chanctx_conf *chanctx_conf;
3362 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3365 need_offchan = params->chan &&
3367 chanctx_conf->def.chan);
3368 } else if (!params->chan) {
3373 need_offchan = true;
3378 if (need_offchan && !params->offchan) {
3383 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
3388 skb_reserve(skb, local->hw.extra_tx_headroom);
3390 data = skb_put(skb, params->len);
3391 memcpy(data, params->buf, params->len);
3393 /* Update CSA counters */
3394 if (sdata->vif.csa_active &&
3395 (sdata->vif.type == NL80211_IFTYPE_AP ||
3396 sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
3397 params->n_csa_offsets) {
3399 struct beacon_data *beacon = NULL;
3403 if (sdata->vif.type == NL80211_IFTYPE_AP)
3404 beacon = rcu_dereference(sdata->u.ap.beacon);
3405 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
3406 beacon = rcu_dereference(sdata->u.ibss.presp);
3407 else if (ieee80211_vif_is_mesh(&sdata->vif))
3408 beacon = rcu_dereference(sdata->u.mesh.beacon);
3411 for (i = 0; i < params->n_csa_offsets; i++)
3412 data[params->csa_offsets[i]] =
3413 beacon->csa_current_counter;
3418 IEEE80211_SKB_CB(skb)->flags = flags;
3420 skb->dev = sdata->dev;
3422 if (!need_offchan) {
3423 *cookie = (unsigned long) skb;
3424 ieee80211_tx_skb(sdata, skb);
3429 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3430 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
3431 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3432 IEEE80211_SKB_CB(skb)->hw_queue =
3433 local->hw.offchannel_tx_hw_queue;
3435 /* This will handle all kinds of coalescing and immediate TX */
3436 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3437 params->wait, cookie, skb,
3438 IEEE80211_ROC_TYPE_MGMT_TX);
3442 mutex_unlock(&local->mtx);
3446 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
3447 struct wireless_dev *wdev,
3450 struct ieee80211_local *local = wiphy_priv(wiphy);
3452 return ieee80211_cancel_roc(local, cookie, true);
3455 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3456 struct wireless_dev *wdev,
3457 u16 frame_type, bool reg)
3459 struct ieee80211_local *local = wiphy_priv(wiphy);
3461 switch (frame_type) {
3462 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3464 local->probe_req_reg++;
3466 local->probe_req_reg--;
3468 if (!local->open_count)
3471 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3478 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3480 struct ieee80211_local *local = wiphy_priv(wiphy);
3485 return drv_set_antenna(local, tx_ant, rx_ant);
3488 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3490 struct ieee80211_local *local = wiphy_priv(wiphy);
3492 return drv_get_antenna(local, tx_ant, rx_ant);
3495 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3496 struct net_device *dev,
3497 struct cfg80211_gtk_rekey_data *data)
3499 struct ieee80211_local *local = wiphy_priv(wiphy);
3500 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3502 if (!local->ops->set_rekey_data)
3505 drv_set_rekey_data(local, sdata, data);
3510 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3511 const u8 *peer, u64 *cookie)
3513 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3514 struct ieee80211_local *local = sdata->local;
3515 struct ieee80211_qos_hdr *nullfunc;
3516 struct sk_buff *skb;
3517 int size = sizeof(*nullfunc);
3520 struct ieee80211_tx_info *info;
3521 struct sta_info *sta;
3522 struct ieee80211_chanctx_conf *chanctx_conf;
3523 enum ieee80211_band band;
3526 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3527 if (WARN_ON(!chanctx_conf)) {
3531 band = chanctx_conf->def.chan->band;
3532 sta = sta_info_get_bss(sdata, peer);
3541 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3542 IEEE80211_STYPE_QOS_NULLFUNC |
3543 IEEE80211_FCTL_FROMDS);
3546 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3547 IEEE80211_STYPE_NULLFUNC |
3548 IEEE80211_FCTL_FROMDS);
3551 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3559 skb_reserve(skb, local->hw.extra_tx_headroom);
3561 nullfunc = (void *) skb_put(skb, size);
3562 nullfunc->frame_control = fc;
3563 nullfunc->duration_id = 0;
3564 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3565 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3566 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3567 nullfunc->seq_ctrl = 0;
3569 info = IEEE80211_SKB_CB(skb);
3571 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3572 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3575 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3578 nullfunc->qos_ctrl = cpu_to_le16(7);
3581 ieee80211_xmit(sdata, sta, skb);
3585 *cookie = (unsigned long) skb;
3589 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3590 struct wireless_dev *wdev,
3591 struct cfg80211_chan_def *chandef)
3593 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3594 struct ieee80211_local *local = wiphy_priv(wiphy);
3595 struct ieee80211_chanctx_conf *chanctx_conf;
3599 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3601 *chandef = sdata->vif.bss_conf.chandef;
3603 } else if (local->open_count > 0 &&
3604 local->open_count == local->monitors &&
3605 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3606 if (local->use_chanctx)
3607 *chandef = local->monitor_chandef;
3609 *chandef = local->_oper_chandef;
3618 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3620 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3624 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3625 struct net_device *dev,
3626 struct cfg80211_qos_map *qos_map)
3628 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3629 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3632 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3635 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3637 /* A NULL qos_map was passed to disable QoS mapping */
3641 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3642 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3644 kfree_rcu(old_qos_map, rcu_head);
3649 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3650 struct net_device *dev,
3651 struct cfg80211_chan_def *chandef)
3653 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3657 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3659 ieee80211_bss_info_change_notify(sdata, changed);
3664 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3665 u8 tsid, const u8 *peer, u8 up,
3668 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3669 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3670 int ac = ieee802_1d_to_ac[up];
3672 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3675 if (!(sdata->wmm_acm & BIT(up)))
3678 if (ifmgd->tx_tspec[ac].admitted_time)
3681 if (admitted_time) {
3682 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3683 ifmgd->tx_tspec[ac].tsid = tsid;
3684 ifmgd->tx_tspec[ac].up = up;
3690 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3691 u8 tsid, const u8 *peer)
3693 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3694 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3695 struct ieee80211_local *local = wiphy_priv(wiphy);
3698 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3699 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3701 /* skip unused entries */
3702 if (!tx_tspec->admitted_time)
3705 if (tx_tspec->tsid != tsid)
3708 /* due to this new packets will be reassigned to non-ACM ACs */
3711 /* Make sure that all packets have been sent to avoid to
3712 * restore the QoS params on packets that are still on the
3716 ieee80211_flush_queues(local, sdata, false);
3718 /* restore the normal QoS parameters
3719 * (unconditionally to avoid races)
3721 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3722 tx_tspec->downgraded = false;
3723 ieee80211_sta_handle_tspec_ac_params(sdata);
3725 /* finally clear all the data */
3726 memset(tx_tspec, 0, sizeof(*tx_tspec));
3734 const struct cfg80211_ops mac80211_config_ops = {
3735 .add_virtual_intf = ieee80211_add_iface,
3736 .del_virtual_intf = ieee80211_del_iface,
3737 .change_virtual_intf = ieee80211_change_iface,
3738 .start_p2p_device = ieee80211_start_p2p_device,
3739 .stop_p2p_device = ieee80211_stop_p2p_device,
3740 .add_key = ieee80211_add_key,
3741 .del_key = ieee80211_del_key,
3742 .get_key = ieee80211_get_key,
3743 .set_default_key = ieee80211_config_default_key,
3744 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3745 .start_ap = ieee80211_start_ap,
3746 .change_beacon = ieee80211_change_beacon,
3747 .stop_ap = ieee80211_stop_ap,
3748 .add_station = ieee80211_add_station,
3749 .del_station = ieee80211_del_station,
3750 .change_station = ieee80211_change_station,
3751 .get_station = ieee80211_get_station,
3752 .dump_station = ieee80211_dump_station,
3753 .dump_survey = ieee80211_dump_survey,
3754 #ifdef CONFIG_MAC80211_MESH
3755 .add_mpath = ieee80211_add_mpath,
3756 .del_mpath = ieee80211_del_mpath,
3757 .change_mpath = ieee80211_change_mpath,
3758 .get_mpath = ieee80211_get_mpath,
3759 .dump_mpath = ieee80211_dump_mpath,
3760 .get_mpp = ieee80211_get_mpp,
3761 .dump_mpp = ieee80211_dump_mpp,
3762 .update_mesh_config = ieee80211_update_mesh_config,
3763 .get_mesh_config = ieee80211_get_mesh_config,
3764 .join_mesh = ieee80211_join_mesh,
3765 .leave_mesh = ieee80211_leave_mesh,
3767 .join_ocb = ieee80211_join_ocb,
3768 .leave_ocb = ieee80211_leave_ocb,
3769 .change_bss = ieee80211_change_bss,
3770 .set_txq_params = ieee80211_set_txq_params,
3771 .set_monitor_channel = ieee80211_set_monitor_channel,
3772 .suspend = ieee80211_suspend,
3773 .resume = ieee80211_resume,
3774 .scan = ieee80211_scan,
3775 .sched_scan_start = ieee80211_sched_scan_start,
3776 .sched_scan_stop = ieee80211_sched_scan_stop,
3777 .auth = ieee80211_auth,
3778 .assoc = ieee80211_assoc,
3779 .deauth = ieee80211_deauth,
3780 .disassoc = ieee80211_disassoc,
3781 .join_ibss = ieee80211_join_ibss,
3782 .leave_ibss = ieee80211_leave_ibss,
3783 .set_mcast_rate = ieee80211_set_mcast_rate,
3784 .set_wiphy_params = ieee80211_set_wiphy_params,
3785 .set_tx_power = ieee80211_set_tx_power,
3786 .get_tx_power = ieee80211_get_tx_power,
3787 .set_wds_peer = ieee80211_set_wds_peer,
3788 .rfkill_poll = ieee80211_rfkill_poll,
3789 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3790 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3791 .set_power_mgmt = ieee80211_set_power_mgmt,
3792 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3793 .remain_on_channel = ieee80211_remain_on_channel,
3794 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3795 .mgmt_tx = ieee80211_mgmt_tx,
3796 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3797 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3798 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3799 .set_antenna = ieee80211_set_antenna,
3800 .get_antenna = ieee80211_get_antenna,
3801 .set_rekey_data = ieee80211_set_rekey_data,
3802 .tdls_oper = ieee80211_tdls_oper,
3803 .tdls_mgmt = ieee80211_tdls_mgmt,
3804 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3805 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
3806 .probe_client = ieee80211_probe_client,
3807 .set_noack_map = ieee80211_set_noack_map,
3809 .set_wakeup = ieee80211_set_wakeup,
3811 .get_channel = ieee80211_cfg_get_channel,
3812 .start_radar_detection = ieee80211_start_radar_detection,
3813 .channel_switch = ieee80211_channel_switch,
3814 .set_qos_map = ieee80211_set_qos_map,
3815 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
3816 .add_tx_ts = ieee80211_add_tx_ts,
3817 .del_tx_ts = ieee80211_del_tx_ts,