2 * mac80211 configuration hooks for cfg80211
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2015 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;
141 ieee80211_check_fast_xmit_iface(sdata);
146 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
147 u8 key_idx, bool pairwise, const u8 *mac_addr,
148 struct key_params *params)
150 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
151 struct ieee80211_local *local = sdata->local;
152 struct sta_info *sta = NULL;
153 const struct ieee80211_cipher_scheme *cs = NULL;
154 struct ieee80211_key *key;
157 if (!ieee80211_sdata_running(sdata))
160 /* reject WEP and TKIP keys if WEP failed to initialize */
161 switch (params->cipher) {
162 case WLAN_CIPHER_SUITE_WEP40:
163 case WLAN_CIPHER_SUITE_TKIP:
164 case WLAN_CIPHER_SUITE_WEP104:
165 if (IS_ERR(local->wep_tx_tfm))
168 case WLAN_CIPHER_SUITE_CCMP:
169 case WLAN_CIPHER_SUITE_CCMP_256:
170 case WLAN_CIPHER_SUITE_AES_CMAC:
171 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
172 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
173 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
174 case WLAN_CIPHER_SUITE_GCMP:
175 case WLAN_CIPHER_SUITE_GCMP_256:
178 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
182 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
183 params->key, params->seq_len, params->seq,
189 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
191 mutex_lock(&local->sta_mtx);
194 if (ieee80211_vif_is_mesh(&sdata->vif))
195 sta = sta_info_get(sdata, mac_addr);
197 sta = sta_info_get_bss(sdata, mac_addr);
199 * The ASSOC test makes sure the driver is ready to
200 * receive the key. When wpa_supplicant has roamed
201 * using FT, it attempts to set the key before
202 * association has completed, this rejects that attempt
203 * so it will set the key again after association.
205 * TODO: accept the key if we have a station entry and
206 * add it to the device after the station.
208 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
209 ieee80211_key_free_unused(key);
215 switch (sdata->vif.type) {
216 case NL80211_IFTYPE_STATION:
217 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
218 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
220 case NL80211_IFTYPE_AP:
221 case NL80211_IFTYPE_AP_VLAN:
222 /* Keys without a station are used for TX only */
223 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
224 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
226 case NL80211_IFTYPE_ADHOC:
229 case NL80211_IFTYPE_MESH_POINT:
230 #ifdef CONFIG_MAC80211_MESH
231 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
232 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
235 case NL80211_IFTYPE_WDS:
236 case NL80211_IFTYPE_MONITOR:
237 case NL80211_IFTYPE_P2P_DEVICE:
238 case NL80211_IFTYPE_UNSPECIFIED:
239 case NUM_NL80211_IFTYPES:
240 case NL80211_IFTYPE_P2P_CLIENT:
241 case NL80211_IFTYPE_P2P_GO:
242 case NL80211_IFTYPE_OCB:
243 /* shouldn't happen */
249 sta->cipher_scheme = cs;
251 err = ieee80211_key_link(key, sdata, sta);
254 mutex_unlock(&local->sta_mtx);
259 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
260 u8 key_idx, bool pairwise, const u8 *mac_addr)
262 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
263 struct ieee80211_local *local = sdata->local;
264 struct sta_info *sta;
265 struct ieee80211_key *key = NULL;
268 mutex_lock(&local->sta_mtx);
269 mutex_lock(&local->key_mtx);
274 sta = sta_info_get_bss(sdata, mac_addr);
279 key = key_mtx_dereference(local, sta->ptk[key_idx]);
281 key = key_mtx_dereference(local, sta->gtk[key_idx]);
283 key = key_mtx_dereference(local, sdata->keys[key_idx]);
290 ieee80211_key_free(key, true);
294 mutex_unlock(&local->key_mtx);
295 mutex_unlock(&local->sta_mtx);
300 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
301 u8 key_idx, bool pairwise, const u8 *mac_addr,
303 void (*callback)(void *cookie,
304 struct key_params *params))
306 struct ieee80211_sub_if_data *sdata;
307 struct sta_info *sta = NULL;
309 struct key_params params;
310 struct ieee80211_key *key = NULL;
315 struct ieee80211_key_seq kseq = {};
317 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
322 sta = sta_info_get_bss(sdata, mac_addr);
326 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
327 key = rcu_dereference(sta->ptk[key_idx]);
328 else if (!pairwise &&
329 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
330 key = rcu_dereference(sta->gtk[key_idx]);
332 key = rcu_dereference(sdata->keys[key_idx]);
337 memset(¶ms, 0, sizeof(params));
339 params.cipher = key->conf.cipher;
341 switch (key->conf.cipher) {
342 case WLAN_CIPHER_SUITE_TKIP:
343 iv32 = key->u.tkip.tx.iv32;
344 iv16 = key->u.tkip.tx.iv16;
346 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
347 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
348 drv_get_key_seq(sdata->local, key, &kseq);
349 iv32 = kseq.tkip.iv32;
350 iv16 = kseq.tkip.iv16;
353 seq[0] = iv16 & 0xff;
354 seq[1] = (iv16 >> 8) & 0xff;
355 seq[2] = iv32 & 0xff;
356 seq[3] = (iv32 >> 8) & 0xff;
357 seq[4] = (iv32 >> 16) & 0xff;
358 seq[5] = (iv32 >> 24) & 0xff;
362 case WLAN_CIPHER_SUITE_CCMP:
363 case WLAN_CIPHER_SUITE_CCMP_256:
364 case WLAN_CIPHER_SUITE_AES_CMAC:
365 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
366 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
367 offsetof(typeof(kseq), aes_cmac));
368 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
369 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
370 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
371 offsetof(typeof(kseq), aes_gmac));
372 case WLAN_CIPHER_SUITE_GCMP:
373 case WLAN_CIPHER_SUITE_GCMP_256:
374 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
375 offsetof(typeof(kseq), gcmp));
377 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
378 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
379 drv_get_key_seq(sdata->local, key, &kseq);
380 memcpy(seq, kseq.ccmp.pn, 6);
382 pn64 = atomic64_read(&key->conf.tx_pn);
394 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
396 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
398 drv_get_key_seq(sdata->local, key, &kseq);
399 params.seq = kseq.hw.seq;
400 params.seq_len = kseq.hw.seq_len;
404 params.key = key->conf.key;
405 params.key_len = key->conf.keylen;
407 callback(cookie, ¶ms);
415 static int ieee80211_config_default_key(struct wiphy *wiphy,
416 struct net_device *dev,
417 u8 key_idx, bool uni,
420 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
422 ieee80211_set_default_key(sdata, key_idx, uni, multi);
427 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
428 struct net_device *dev,
431 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
433 ieee80211_set_default_mgmt_key(sdata, key_idx);
438 void sta_set_rate_info_tx(struct sta_info *sta,
439 const struct ieee80211_tx_rate *rate,
440 struct rate_info *rinfo)
443 if (rate->flags & IEEE80211_TX_RC_MCS) {
444 rinfo->flags |= RATE_INFO_FLAGS_MCS;
445 rinfo->mcs = rate->idx;
446 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
447 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
448 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
449 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
451 struct ieee80211_supported_band *sband;
452 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
455 sband = sta->local->hw.wiphy->bands[
456 ieee80211_get_sdata_band(sta->sdata)];
457 brate = sband->bitrates[rate->idx].bitrate;
458 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
460 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
461 rinfo->bw = RATE_INFO_BW_40;
462 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
463 rinfo->bw = RATE_INFO_BW_80;
464 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
465 rinfo->bw = RATE_INFO_BW_160;
467 rinfo->bw = RATE_INFO_BW_20;
468 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
469 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
472 void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
476 if (sta->last_rx_rate_flag & RX_FLAG_HT) {
477 rinfo->flags |= RATE_INFO_FLAGS_MCS;
478 rinfo->mcs = sta->last_rx_rate_idx;
479 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
480 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
481 rinfo->nss = sta->last_rx_rate_vht_nss;
482 rinfo->mcs = sta->last_rx_rate_idx;
484 struct ieee80211_supported_band *sband;
485 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
488 sband = sta->local->hw.wiphy->bands[
489 ieee80211_get_sdata_band(sta->sdata)];
490 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
491 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
494 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
495 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
497 if (sta->last_rx_rate_flag & RX_FLAG_5MHZ)
498 rinfo->bw = RATE_INFO_BW_5;
499 else if (sta->last_rx_rate_flag & RX_FLAG_10MHZ)
500 rinfo->bw = RATE_INFO_BW_10;
501 else if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
502 rinfo->bw = RATE_INFO_BW_40;
503 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
504 rinfo->bw = RATE_INFO_BW_80;
505 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
506 rinfo->bw = RATE_INFO_BW_160;
508 rinfo->bw = RATE_INFO_BW_20;
511 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
512 int idx, u8 *mac, struct station_info *sinfo)
514 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
515 struct ieee80211_local *local = sdata->local;
516 struct sta_info *sta;
519 mutex_lock(&local->sta_mtx);
521 sta = sta_info_get_by_idx(sdata, idx);
524 memcpy(mac, sta->sta.addr, ETH_ALEN);
525 sta_set_sinfo(sta, sinfo);
528 mutex_unlock(&local->sta_mtx);
533 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
534 int idx, struct survey_info *survey)
536 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
538 return drv_get_survey(local, idx, survey);
541 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
542 const u8 *mac, struct station_info *sinfo)
544 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
545 struct ieee80211_local *local = sdata->local;
546 struct sta_info *sta;
549 mutex_lock(&local->sta_mtx);
551 sta = sta_info_get_bss(sdata, mac);
554 sta_set_sinfo(sta, sinfo);
557 mutex_unlock(&local->sta_mtx);
562 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
563 struct cfg80211_chan_def *chandef)
565 struct ieee80211_local *local = wiphy_priv(wiphy);
566 struct ieee80211_sub_if_data *sdata;
569 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
572 mutex_lock(&local->mtx);
573 mutex_lock(&local->iflist_mtx);
574 if (local->use_chanctx) {
575 sdata = rcu_dereference_protected(
576 local->monitor_sdata,
577 lockdep_is_held(&local->iflist_mtx));
579 ieee80211_vif_release_channel(sdata);
580 ret = ieee80211_vif_use_channel(sdata, chandef,
581 IEEE80211_CHANCTX_EXCLUSIVE);
583 } else if (local->open_count == local->monitors) {
584 local->_oper_chandef = *chandef;
585 ieee80211_hw_config(local, 0);
589 local->monitor_chandef = *chandef;
590 mutex_unlock(&local->iflist_mtx);
591 mutex_unlock(&local->mtx);
596 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
597 const u8 *resp, size_t resp_len,
598 const struct ieee80211_csa_settings *csa)
600 struct probe_resp *new, *old;
602 if (!resp || !resp_len)
605 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
607 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
612 memcpy(new->data, resp, resp_len);
615 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
616 csa->n_counter_offsets_presp *
617 sizeof(new->csa_counter_offsets[0]));
619 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
621 kfree_rcu(old, rcu_head);
626 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
627 struct cfg80211_beacon_data *params,
628 const struct ieee80211_csa_settings *csa)
630 struct beacon_data *new, *old;
631 int new_head_len, new_tail_len;
633 u32 changed = BSS_CHANGED_BEACON;
635 old = sdata_dereference(sdata->u.ap.beacon, sdata);
638 /* Need to have a beacon head if we don't have one yet */
639 if (!params->head && !old)
642 /* new or old head? */
644 new_head_len = params->head_len;
646 new_head_len = old->head_len;
648 /* new or old tail? */
649 if (params->tail || !old)
650 /* params->tail_len will be zero for !params->tail */
651 new_tail_len = params->tail_len;
653 new_tail_len = old->tail_len;
655 size = sizeof(*new) + new_head_len + new_tail_len;
657 new = kzalloc(size, GFP_KERNEL);
661 /* start filling the new info now */
664 * pointers go into the block we allocated,
665 * memory is | beacon_data | head | tail |
667 new->head = ((u8 *) new) + sizeof(*new);
668 new->tail = new->head + new_head_len;
669 new->head_len = new_head_len;
670 new->tail_len = new_tail_len;
673 new->csa_current_counter = csa->count;
674 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
675 csa->n_counter_offsets_beacon *
676 sizeof(new->csa_counter_offsets[0]));
681 memcpy(new->head, params->head, new_head_len);
683 memcpy(new->head, old->head, new_head_len);
685 /* copy in optional tail */
687 memcpy(new->tail, params->tail, new_tail_len);
690 memcpy(new->tail, old->tail, new_tail_len);
692 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
693 params->probe_resp_len, csa);
697 changed |= BSS_CHANGED_AP_PROBE_RESP;
699 rcu_assign_pointer(sdata->u.ap.beacon, new);
702 kfree_rcu(old, rcu_head);
707 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
708 struct cfg80211_ap_settings *params)
710 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
711 struct ieee80211_local *local = sdata->local;
712 struct beacon_data *old;
713 struct ieee80211_sub_if_data *vlan;
714 u32 changed = BSS_CHANGED_BEACON_INT |
715 BSS_CHANGED_BEACON_ENABLED |
722 old = sdata_dereference(sdata->u.ap.beacon, sdata);
726 switch (params->smps_mode) {
727 case NL80211_SMPS_OFF:
728 sdata->smps_mode = IEEE80211_SMPS_OFF;
730 case NL80211_SMPS_STATIC:
731 sdata->smps_mode = IEEE80211_SMPS_STATIC;
733 case NL80211_SMPS_DYNAMIC:
734 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
739 sdata->needed_rx_chains = sdata->local->rx_chains;
741 mutex_lock(&local->mtx);
742 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef,
743 IEEE80211_CHANCTX_SHARED);
745 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
746 mutex_unlock(&local->mtx);
751 * Apply control port protocol, this allows us to
752 * not encrypt dynamic WEP control frames.
754 sdata->control_port_protocol = params->crypto.control_port_ethertype;
755 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
756 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
760 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
761 vlan->control_port_protocol =
762 params->crypto.control_port_ethertype;
763 vlan->control_port_no_encrypt =
764 params->crypto.control_port_no_encrypt;
765 vlan->encrypt_headroom =
766 ieee80211_cs_headroom(sdata->local,
771 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
772 sdata->vif.bss_conf.dtim_period = params->dtim_period;
773 sdata->vif.bss_conf.enable_beacon = true;
775 sdata->vif.bss_conf.ssid_len = params->ssid_len;
776 if (params->ssid_len)
777 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
779 sdata->vif.bss_conf.hidden_ssid =
780 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
782 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
783 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
784 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
785 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
786 if (params->p2p_opp_ps)
787 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
788 IEEE80211_P2P_OPPPS_ENABLE_BIT;
790 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL);
792 ieee80211_vif_release_channel(sdata);
797 err = drv_start_ap(sdata->local, sdata);
799 old = sdata_dereference(sdata->u.ap.beacon, sdata);
802 kfree_rcu(old, rcu_head);
803 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
804 ieee80211_vif_release_channel(sdata);
808 ieee80211_recalc_dtim(local, sdata);
809 ieee80211_bss_info_change_notify(sdata, changed);
811 netif_carrier_on(dev);
812 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
813 netif_carrier_on(vlan->dev);
818 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
819 struct cfg80211_beacon_data *params)
821 struct ieee80211_sub_if_data *sdata;
822 struct beacon_data *old;
825 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
826 sdata_assert_lock(sdata);
828 /* don't allow changing the beacon while CSA is in place - offset
829 * of channel switch counter may change
831 if (sdata->vif.csa_active)
834 old = sdata_dereference(sdata->u.ap.beacon, sdata);
838 err = ieee80211_assign_beacon(sdata, params, NULL);
841 ieee80211_bss_info_change_notify(sdata, err);
845 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
847 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
848 struct ieee80211_sub_if_data *vlan;
849 struct ieee80211_local *local = sdata->local;
850 struct beacon_data *old_beacon;
851 struct probe_resp *old_probe_resp;
852 struct cfg80211_chan_def chandef;
854 sdata_assert_lock(sdata);
856 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
859 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
861 /* abort any running channel switch */
862 mutex_lock(&local->mtx);
863 sdata->vif.csa_active = false;
864 if (sdata->csa_block_tx) {
865 ieee80211_wake_vif_queues(local, sdata,
866 IEEE80211_QUEUE_STOP_REASON_CSA);
867 sdata->csa_block_tx = false;
870 mutex_unlock(&local->mtx);
872 kfree(sdata->u.ap.next_beacon);
873 sdata->u.ap.next_beacon = NULL;
875 /* turn off carrier for this interface and dependent VLANs */
876 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
877 netif_carrier_off(vlan->dev);
878 netif_carrier_off(dev);
880 /* remove beacon and probe response */
881 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
882 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
883 kfree_rcu(old_beacon, rcu_head);
885 kfree_rcu(old_probe_resp, rcu_head);
886 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
888 __sta_info_flush(sdata, true);
889 ieee80211_free_keys(sdata, true);
891 sdata->vif.bss_conf.enable_beacon = false;
892 sdata->vif.bss_conf.ssid_len = 0;
893 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
894 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
896 if (sdata->wdev.cac_started) {
897 chandef = sdata->vif.bss_conf.chandef;
898 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
899 cfg80211_cac_event(sdata->dev, &chandef,
900 NL80211_RADAR_CAC_ABORTED,
904 drv_stop_ap(sdata->local, sdata);
906 /* free all potentially still buffered bcast frames */
907 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
908 skb_queue_purge(&sdata->u.ap.ps.bc_buf);
910 mutex_lock(&local->mtx);
911 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
912 ieee80211_vif_release_channel(sdata);
913 mutex_unlock(&local->mtx);
918 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
919 struct iapp_layer2_update {
920 u8 da[ETH_ALEN]; /* broadcast */
921 u8 sa[ETH_ALEN]; /* STA addr */
929 static void ieee80211_send_layer2_update(struct sta_info *sta)
931 struct iapp_layer2_update *msg;
934 /* Send Level 2 Update Frame to update forwarding tables in layer 2
937 skb = dev_alloc_skb(sizeof(*msg));
940 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
942 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
943 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
945 eth_broadcast_addr(msg->da);
946 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
949 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
950 msg->control = 0xaf; /* XID response lsb.1111F101.
951 * F=0 (no poll command; unsolicited frame) */
952 msg->xid_info[0] = 0x81; /* XID format identifier */
953 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
954 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
956 skb->dev = sta->sdata->dev;
957 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
958 memset(skb->cb, 0, sizeof(skb->cb));
962 static int sta_apply_auth_flags(struct ieee80211_local *local,
963 struct sta_info *sta,
968 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
969 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
970 !test_sta_flag(sta, WLAN_STA_AUTH)) {
971 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
976 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
977 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
978 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
980 * When peer becomes associated, init rate control as
981 * well. Some drivers require rate control initialized
982 * before drv_sta_state() is called.
984 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
985 rate_control_rate_init(sta);
987 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
992 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
993 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
994 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
995 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
996 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1003 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1004 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1005 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1006 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1011 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1012 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1013 test_sta_flag(sta, WLAN_STA_AUTH)) {
1014 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1022 static void sta_apply_mesh_params(struct ieee80211_local *local,
1023 struct sta_info *sta,
1024 struct station_parameters *params)
1026 #ifdef CONFIG_MAC80211_MESH
1027 struct ieee80211_sub_if_data *sdata = sta->sdata;
1030 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1031 switch (params->plink_state) {
1032 case NL80211_PLINK_ESTAB:
1033 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1034 changed = mesh_plink_inc_estab_count(sdata);
1035 sta->mesh->plink_state = params->plink_state;
1037 ieee80211_mps_sta_status_update(sta);
1038 changed |= ieee80211_mps_set_sta_local_pm(sta,
1039 sdata->u.mesh.mshcfg.power_mode);
1041 case NL80211_PLINK_LISTEN:
1042 case NL80211_PLINK_BLOCKED:
1043 case NL80211_PLINK_OPN_SNT:
1044 case NL80211_PLINK_OPN_RCVD:
1045 case NL80211_PLINK_CNF_RCVD:
1046 case NL80211_PLINK_HOLDING:
1047 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1048 changed = mesh_plink_dec_estab_count(sdata);
1049 sta->mesh->plink_state = params->plink_state;
1051 ieee80211_mps_sta_status_update(sta);
1052 changed |= ieee80211_mps_set_sta_local_pm(sta,
1053 NL80211_MESH_POWER_UNKNOWN);
1061 switch (params->plink_action) {
1062 case NL80211_PLINK_ACTION_NO_ACTION:
1065 case NL80211_PLINK_ACTION_OPEN:
1066 changed |= mesh_plink_open(sta);
1068 case NL80211_PLINK_ACTION_BLOCK:
1069 changed |= mesh_plink_block(sta);
1073 if (params->local_pm)
1074 changed |= ieee80211_mps_set_sta_local_pm(sta,
1077 ieee80211_mbss_info_change_notify(sdata, changed);
1081 static int sta_apply_parameters(struct ieee80211_local *local,
1082 struct sta_info *sta,
1083 struct station_parameters *params)
1086 struct ieee80211_supported_band *sband;
1087 struct ieee80211_sub_if_data *sdata = sta->sdata;
1088 enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1091 sband = local->hw.wiphy->bands[band];
1093 mask = params->sta_flags_mask;
1094 set = params->sta_flags_set;
1096 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1098 * In mesh mode, ASSOCIATED isn't part of the nl80211
1099 * API but must follow AUTHENTICATED for driver state.
1101 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1102 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1103 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1104 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1105 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1107 * TDLS -- everything follows authorized, but
1108 * only becoming authorized is possible, not
1111 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1112 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1113 BIT(NL80211_STA_FLAG_ASSOCIATED);
1114 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1115 BIT(NL80211_STA_FLAG_ASSOCIATED);
1119 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1120 local->hw.queues >= IEEE80211_NUM_ACS)
1121 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1123 /* auth flags will be set later for TDLS stations */
1124 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1125 ret = sta_apply_auth_flags(local, sta, mask, set);
1130 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1131 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1132 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1134 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1137 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1138 if (set & BIT(NL80211_STA_FLAG_MFP))
1139 set_sta_flag(sta, WLAN_STA_MFP);
1141 clear_sta_flag(sta, WLAN_STA_MFP);
1144 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1145 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1146 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1148 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1151 /* mark TDLS channel switch support, if the AP allows it */
1152 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1153 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1154 params->ext_capab_len >= 4 &&
1155 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1156 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1158 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1159 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1160 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1161 params->ext_capab_len >= 8 &&
1162 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1163 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1165 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1166 sta->sta.uapsd_queues = params->uapsd_queues;
1167 sta->sta.max_sp = params->max_sp;
1171 * cfg80211 validates this (1-2007) and allows setting the AID
1172 * only when creating a new station entry
1175 sta->sta.aid = params->aid;
1178 * Some of the following updates would be racy if called on an
1179 * existing station, via ieee80211_change_station(). However,
1180 * all such changes are rejected by cfg80211 except for updates
1181 * changing the supported rates on an existing but not yet used
1185 if (params->listen_interval >= 0)
1186 sta->listen_interval = params->listen_interval;
1188 if (params->supported_rates) {
1189 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1190 sband, params->supported_rates,
1191 params->supported_rates_len,
1192 &sta->sta.supp_rates[band]);
1195 if (params->ht_capa)
1196 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1197 params->ht_capa, sta);
1199 if (params->vht_capa)
1200 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1201 params->vht_capa, sta);
1203 if (params->opmode_notif_used) {
1204 /* returned value is only needed for rc update, but the
1205 * rc isn't initialized here yet, so ignore it
1207 __ieee80211_vht_handle_opmode(sdata, sta,
1208 params->opmode_notif,
1212 if (ieee80211_vif_is_mesh(&sdata->vif))
1213 sta_apply_mesh_params(local, sta, params);
1215 /* set the STA state after all sta info from usermode has been set */
1216 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1217 ret = sta_apply_auth_flags(local, sta, mask, set);
1225 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1227 struct station_parameters *params)
1229 struct ieee80211_local *local = wiphy_priv(wiphy);
1230 struct sta_info *sta;
1231 struct ieee80211_sub_if_data *sdata;
1236 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1238 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1239 sdata->vif.type != NL80211_IFTYPE_AP)
1242 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1244 if (ether_addr_equal(mac, sdata->vif.addr))
1247 if (is_multicast_ether_addr(mac))
1250 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1255 * defaults -- if userspace wants something else we'll
1256 * change it accordingly in sta_apply_parameters()
1258 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1259 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1260 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1262 sta->sta.tdls = true;
1265 err = sta_apply_parameters(local, sta, params);
1267 sta_info_free(local, sta);
1272 * for TDLS, rate control should be initialized only when
1273 * rates are known and station is marked authorized
1275 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1276 rate_control_rate_init(sta);
1278 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1279 sdata->vif.type == NL80211_IFTYPE_AP;
1281 err = sta_info_insert_rcu(sta);
1288 ieee80211_send_layer2_update(sta);
1295 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1296 struct station_del_parameters *params)
1298 struct ieee80211_sub_if_data *sdata;
1300 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1303 return sta_info_destroy_addr_bss(sdata, params->mac);
1305 sta_info_flush(sdata);
1309 static int ieee80211_change_station(struct wiphy *wiphy,
1310 struct net_device *dev, const u8 *mac,
1311 struct station_parameters *params)
1313 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1314 struct ieee80211_local *local = wiphy_priv(wiphy);
1315 struct sta_info *sta;
1316 struct ieee80211_sub_if_data *vlansdata;
1317 enum cfg80211_station_type statype;
1320 mutex_lock(&local->sta_mtx);
1322 sta = sta_info_get_bss(sdata, mac);
1328 switch (sdata->vif.type) {
1329 case NL80211_IFTYPE_MESH_POINT:
1330 if (sdata->u.mesh.user_mpm)
1331 statype = CFG80211_STA_MESH_PEER_USER;
1333 statype = CFG80211_STA_MESH_PEER_KERNEL;
1335 case NL80211_IFTYPE_ADHOC:
1336 statype = CFG80211_STA_IBSS;
1338 case NL80211_IFTYPE_STATION:
1339 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1340 statype = CFG80211_STA_AP_STA;
1343 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1344 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1346 statype = CFG80211_STA_TDLS_PEER_SETUP;
1348 case NL80211_IFTYPE_AP:
1349 case NL80211_IFTYPE_AP_VLAN:
1350 statype = CFG80211_STA_AP_CLIENT;
1357 err = cfg80211_check_station_change(wiphy, params, statype);
1361 if (params->vlan && params->vlan != sta->sdata->dev) {
1362 bool prev_4addr = false;
1363 bool new_4addr = false;
1365 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1367 if (params->vlan->ieee80211_ptr->use_4addr) {
1368 if (vlansdata->u.vlan.sta) {
1373 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1377 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1378 sta->sdata->u.vlan.sta) {
1379 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1383 sta->sdata = vlansdata;
1384 ieee80211_check_fast_xmit(sta);
1386 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1387 prev_4addr != new_4addr) {
1389 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1391 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1394 ieee80211_send_layer2_update(sta);
1397 err = sta_apply_parameters(local, sta, params);
1401 mutex_unlock(&local->sta_mtx);
1403 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1404 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1405 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1406 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1407 sta_info_tx_streams(sta) != 1) {
1409 "%pM just authorized and MIMO capable - update SMPS\n",
1411 ieee80211_send_smps_action(sta->sdata,
1412 sta->sdata->bss->req_smps,
1414 sta->sdata->vif.bss_conf.bssid);
1417 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1418 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1419 ieee80211_recalc_ps(local, -1);
1420 ieee80211_recalc_ps_vif(sdata);
1425 mutex_unlock(&local->sta_mtx);
1429 #ifdef CONFIG_MAC80211_MESH
1430 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1431 const u8 *dst, const u8 *next_hop)
1433 struct ieee80211_sub_if_data *sdata;
1434 struct mesh_path *mpath;
1435 struct sta_info *sta;
1437 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1440 sta = sta_info_get(sdata, next_hop);
1446 mpath = mesh_path_add(sdata, dst);
1447 if (IS_ERR(mpath)) {
1449 return PTR_ERR(mpath);
1452 mesh_path_fix_nexthop(mpath, sta);
1458 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1461 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1464 return mesh_path_del(sdata, dst);
1466 mesh_path_flush_by_iface(sdata);
1470 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1471 const u8 *dst, const u8 *next_hop)
1473 struct ieee80211_sub_if_data *sdata;
1474 struct mesh_path *mpath;
1475 struct sta_info *sta;
1477 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1481 sta = sta_info_get(sdata, next_hop);
1487 mpath = mesh_path_lookup(sdata, dst);
1493 mesh_path_fix_nexthop(mpath, sta);
1499 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1500 struct mpath_info *pinfo)
1502 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1505 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1507 eth_zero_addr(next_hop);
1509 memset(pinfo, 0, sizeof(*pinfo));
1511 pinfo->generation = mesh_paths_generation;
1513 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1516 MPATH_INFO_EXPTIME |
1517 MPATH_INFO_DISCOVERY_TIMEOUT |
1518 MPATH_INFO_DISCOVERY_RETRIES |
1521 pinfo->frame_qlen = mpath->frame_queue.qlen;
1522 pinfo->sn = mpath->sn;
1523 pinfo->metric = mpath->metric;
1524 if (time_before(jiffies, mpath->exp_time))
1525 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1526 pinfo->discovery_timeout =
1527 jiffies_to_msecs(mpath->discovery_timeout);
1528 pinfo->discovery_retries = mpath->discovery_retries;
1529 if (mpath->flags & MESH_PATH_ACTIVE)
1530 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1531 if (mpath->flags & MESH_PATH_RESOLVING)
1532 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1533 if (mpath->flags & MESH_PATH_SN_VALID)
1534 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1535 if (mpath->flags & MESH_PATH_FIXED)
1536 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1537 if (mpath->flags & MESH_PATH_RESOLVED)
1538 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1541 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1542 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1545 struct ieee80211_sub_if_data *sdata;
1546 struct mesh_path *mpath;
1548 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1551 mpath = mesh_path_lookup(sdata, dst);
1556 memcpy(dst, mpath->dst, ETH_ALEN);
1557 mpath_set_pinfo(mpath, next_hop, pinfo);
1562 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1563 int idx, u8 *dst, u8 *next_hop,
1564 struct mpath_info *pinfo)
1566 struct ieee80211_sub_if_data *sdata;
1567 struct mesh_path *mpath;
1569 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1572 mpath = mesh_path_lookup_by_idx(sdata, idx);
1577 memcpy(dst, mpath->dst, ETH_ALEN);
1578 mpath_set_pinfo(mpath, next_hop, pinfo);
1583 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1584 struct mpath_info *pinfo)
1586 memset(pinfo, 0, sizeof(*pinfo));
1587 memcpy(mpp, mpath->mpp, ETH_ALEN);
1589 pinfo->generation = mpp_paths_generation;
1592 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1593 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1596 struct ieee80211_sub_if_data *sdata;
1597 struct mesh_path *mpath;
1599 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1602 mpath = mpp_path_lookup(sdata, dst);
1607 memcpy(dst, mpath->dst, ETH_ALEN);
1608 mpp_set_pinfo(mpath, mpp, pinfo);
1613 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1614 int idx, u8 *dst, u8 *mpp,
1615 struct mpath_info *pinfo)
1617 struct ieee80211_sub_if_data *sdata;
1618 struct mesh_path *mpath;
1620 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1623 mpath = mpp_path_lookup_by_idx(sdata, idx);
1628 memcpy(dst, mpath->dst, ETH_ALEN);
1629 mpp_set_pinfo(mpath, mpp, pinfo);
1634 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1635 struct net_device *dev,
1636 struct mesh_config *conf)
1638 struct ieee80211_sub_if_data *sdata;
1639 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1641 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1645 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1647 return (mask >> (parm-1)) & 0x1;
1650 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1651 const struct mesh_setup *setup)
1655 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1656 struct ieee80211_sub_if_data, u.mesh);
1658 /* allocate information elements */
1662 if (setup->ie_len) {
1663 new_ie = kmemdup(setup->ie, setup->ie_len,
1668 ifmsh->ie_len = setup->ie_len;
1672 /* now copy the rest of the setup parameters */
1673 ifmsh->mesh_id_len = setup->mesh_id_len;
1674 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1675 ifmsh->mesh_sp_id = setup->sync_method;
1676 ifmsh->mesh_pp_id = setup->path_sel_proto;
1677 ifmsh->mesh_pm_id = setup->path_metric;
1678 ifmsh->user_mpm = setup->user_mpm;
1679 ifmsh->mesh_auth_id = setup->auth_id;
1680 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1681 if (setup->is_authenticated)
1682 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1683 if (setup->is_secure)
1684 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1686 /* mcast rate setting in Mesh Node */
1687 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1688 sizeof(setup->mcast_rate));
1689 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1691 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1692 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1697 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1698 struct net_device *dev, u32 mask,
1699 const struct mesh_config *nconf)
1701 struct mesh_config *conf;
1702 struct ieee80211_sub_if_data *sdata;
1703 struct ieee80211_if_mesh *ifmsh;
1705 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1706 ifmsh = &sdata->u.mesh;
1708 /* Set the config options which we are interested in setting */
1709 conf = &(sdata->u.mesh.mshcfg);
1710 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1711 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1712 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1713 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1714 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1715 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1716 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1717 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1718 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1719 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1720 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1721 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1722 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1723 conf->element_ttl = nconf->element_ttl;
1724 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1725 if (ifmsh->user_mpm)
1727 conf->auto_open_plinks = nconf->auto_open_plinks;
1729 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1730 conf->dot11MeshNbrOffsetMaxNeighbor =
1731 nconf->dot11MeshNbrOffsetMaxNeighbor;
1732 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1733 conf->dot11MeshHWMPmaxPREQretries =
1734 nconf->dot11MeshHWMPmaxPREQretries;
1735 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1736 conf->path_refresh_time = nconf->path_refresh_time;
1737 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1738 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1739 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1740 conf->dot11MeshHWMPactivePathTimeout =
1741 nconf->dot11MeshHWMPactivePathTimeout;
1742 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1743 conf->dot11MeshHWMPpreqMinInterval =
1744 nconf->dot11MeshHWMPpreqMinInterval;
1745 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1746 conf->dot11MeshHWMPperrMinInterval =
1747 nconf->dot11MeshHWMPperrMinInterval;
1748 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1750 conf->dot11MeshHWMPnetDiameterTraversalTime =
1751 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1752 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1753 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1754 ieee80211_mesh_root_setup(ifmsh);
1756 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1757 /* our current gate announcement implementation rides on root
1758 * announcements, so require this ifmsh to also be a root node
1760 if (nconf->dot11MeshGateAnnouncementProtocol &&
1761 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1762 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1763 ieee80211_mesh_root_setup(ifmsh);
1765 conf->dot11MeshGateAnnouncementProtocol =
1766 nconf->dot11MeshGateAnnouncementProtocol;
1768 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1769 conf->dot11MeshHWMPRannInterval =
1770 nconf->dot11MeshHWMPRannInterval;
1771 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1772 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1773 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1774 /* our RSSI threshold implementation is supported only for
1775 * devices that report signal in dBm.
1777 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
1779 conf->rssi_threshold = nconf->rssi_threshold;
1781 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1782 conf->ht_opmode = nconf->ht_opmode;
1783 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1784 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1786 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1787 conf->dot11MeshHWMPactivePathToRootTimeout =
1788 nconf->dot11MeshHWMPactivePathToRootTimeout;
1789 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1790 conf->dot11MeshHWMProotInterval =
1791 nconf->dot11MeshHWMProotInterval;
1792 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1793 conf->dot11MeshHWMPconfirmationInterval =
1794 nconf->dot11MeshHWMPconfirmationInterval;
1795 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1796 conf->power_mode = nconf->power_mode;
1797 ieee80211_mps_local_status_update(sdata);
1799 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1800 conf->dot11MeshAwakeWindowDuration =
1801 nconf->dot11MeshAwakeWindowDuration;
1802 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1803 conf->plink_timeout = nconf->plink_timeout;
1804 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1808 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1809 const struct mesh_config *conf,
1810 const struct mesh_setup *setup)
1812 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1813 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1816 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1817 err = copy_mesh_setup(ifmsh, setup);
1821 /* can mesh use other SMPS modes? */
1822 sdata->smps_mode = IEEE80211_SMPS_OFF;
1823 sdata->needed_rx_chains = sdata->local->rx_chains;
1825 mutex_lock(&sdata->local->mtx);
1826 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1827 IEEE80211_CHANCTX_SHARED);
1828 mutex_unlock(&sdata->local->mtx);
1832 return ieee80211_start_mesh(sdata);
1835 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1837 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1839 ieee80211_stop_mesh(sdata);
1840 mutex_lock(&sdata->local->mtx);
1841 ieee80211_vif_release_channel(sdata);
1842 mutex_unlock(&sdata->local->mtx);
1848 static int ieee80211_change_bss(struct wiphy *wiphy,
1849 struct net_device *dev,
1850 struct bss_parameters *params)
1852 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1853 enum ieee80211_band band;
1856 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
1859 band = ieee80211_get_sdata_band(sdata);
1861 if (params->use_cts_prot >= 0) {
1862 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1863 changed |= BSS_CHANGED_ERP_CTS_PROT;
1865 if (params->use_short_preamble >= 0) {
1866 sdata->vif.bss_conf.use_short_preamble =
1867 params->use_short_preamble;
1868 changed |= BSS_CHANGED_ERP_PREAMBLE;
1871 if (!sdata->vif.bss_conf.use_short_slot &&
1872 band == IEEE80211_BAND_5GHZ) {
1873 sdata->vif.bss_conf.use_short_slot = true;
1874 changed |= BSS_CHANGED_ERP_SLOT;
1877 if (params->use_short_slot_time >= 0) {
1878 sdata->vif.bss_conf.use_short_slot =
1879 params->use_short_slot_time;
1880 changed |= BSS_CHANGED_ERP_SLOT;
1883 if (params->basic_rates) {
1884 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1886 params->basic_rates,
1887 params->basic_rates_len,
1888 &sdata->vif.bss_conf.basic_rates);
1889 changed |= BSS_CHANGED_BASIC_RATES;
1892 if (params->ap_isolate >= 0) {
1893 if (params->ap_isolate)
1894 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1896 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1899 if (params->ht_opmode >= 0) {
1900 sdata->vif.bss_conf.ht_operation_mode =
1901 (u16) params->ht_opmode;
1902 changed |= BSS_CHANGED_HT;
1905 if (params->p2p_ctwindow >= 0) {
1906 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1907 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1908 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1909 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1910 changed |= BSS_CHANGED_P2P_PS;
1913 if (params->p2p_opp_ps > 0) {
1914 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1915 IEEE80211_P2P_OPPPS_ENABLE_BIT;
1916 changed |= BSS_CHANGED_P2P_PS;
1917 } else if (params->p2p_opp_ps == 0) {
1918 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1919 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
1920 changed |= BSS_CHANGED_P2P_PS;
1923 ieee80211_bss_info_change_notify(sdata, changed);
1928 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1929 struct net_device *dev,
1930 struct ieee80211_txq_params *params)
1932 struct ieee80211_local *local = wiphy_priv(wiphy);
1933 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1934 struct ieee80211_tx_queue_params p;
1936 if (!local->ops->conf_tx)
1939 if (local->hw.queues < IEEE80211_NUM_ACS)
1942 memset(&p, 0, sizeof(p));
1943 p.aifs = params->aifs;
1944 p.cw_max = params->cwmax;
1945 p.cw_min = params->cwmin;
1946 p.txop = params->txop;
1949 * Setting tx queue params disables u-apsd because it's only
1950 * called in master mode.
1954 sdata->tx_conf[params->ac] = p;
1955 if (drv_conf_tx(local, sdata, params->ac, &p)) {
1956 wiphy_debug(local->hw.wiphy,
1957 "failed to set TX queue parameters for AC %d\n",
1962 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
1968 static int ieee80211_suspend(struct wiphy *wiphy,
1969 struct cfg80211_wowlan *wowlan)
1971 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
1974 static int ieee80211_resume(struct wiphy *wiphy)
1976 return __ieee80211_resume(wiphy_priv(wiphy));
1979 #define ieee80211_suspend NULL
1980 #define ieee80211_resume NULL
1983 static int ieee80211_scan(struct wiphy *wiphy,
1984 struct cfg80211_scan_request *req)
1986 struct ieee80211_sub_if_data *sdata;
1988 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
1990 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1991 case NL80211_IFTYPE_STATION:
1992 case NL80211_IFTYPE_ADHOC:
1993 case NL80211_IFTYPE_MESH_POINT:
1994 case NL80211_IFTYPE_P2P_CLIENT:
1995 case NL80211_IFTYPE_P2P_DEVICE:
1997 case NL80211_IFTYPE_P2P_GO:
1998 if (sdata->local->ops->hw_scan)
2001 * FIXME: implement NoA while scanning in software,
2002 * for now fall through to allow scanning only when
2003 * beaconing hasn't been configured yet
2005 case NL80211_IFTYPE_AP:
2007 * If the scan has been forced (and the driver supports
2008 * forcing), don't care about being beaconing already.
2009 * This will create problems to the attached stations (e.g. all
2010 * the frames sent while scanning on other channel will be
2013 if (sdata->u.ap.beacon &&
2014 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2015 !(req->flags & NL80211_SCAN_FLAG_AP)))
2022 return ieee80211_request_scan(sdata, req);
2026 ieee80211_sched_scan_start(struct wiphy *wiphy,
2027 struct net_device *dev,
2028 struct cfg80211_sched_scan_request *req)
2030 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2032 if (!sdata->local->ops->sched_scan_start)
2035 return ieee80211_request_sched_scan_start(sdata, req);
2039 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2041 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2043 if (!sdata->local->ops->sched_scan_stop)
2046 return ieee80211_request_sched_scan_stop(sdata);
2049 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2050 struct cfg80211_auth_request *req)
2052 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2055 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2056 struct cfg80211_assoc_request *req)
2058 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2061 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2062 struct cfg80211_deauth_request *req)
2064 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2067 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2068 struct cfg80211_disassoc_request *req)
2070 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2073 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2074 struct cfg80211_ibss_params *params)
2076 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2079 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2081 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2084 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2085 struct ocb_setup *setup)
2087 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2090 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2092 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2095 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2096 int rate[IEEE80211_NUM_BANDS])
2098 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2100 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2101 sizeof(int) * IEEE80211_NUM_BANDS);
2106 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2108 struct ieee80211_local *local = wiphy_priv(wiphy);
2111 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2112 ieee80211_check_fast_xmit_all(local);
2114 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2117 ieee80211_check_fast_xmit_all(local);
2122 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2123 (changed & WIPHY_PARAM_DYN_ACK)) {
2126 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2127 wiphy->coverage_class : -1;
2128 err = drv_set_coverage_class(local, coverage_class);
2134 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2135 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2141 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2142 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2144 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2146 if (changed & WIPHY_PARAM_RETRY_LONG) {
2147 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2149 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2152 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2153 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2158 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2159 struct wireless_dev *wdev,
2160 enum nl80211_tx_power_setting type, int mbm)
2162 struct ieee80211_local *local = wiphy_priv(wiphy);
2163 struct ieee80211_sub_if_data *sdata;
2164 enum nl80211_tx_power_setting txp_type = type;
2165 bool update_txp_type = false;
2168 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2171 case NL80211_TX_POWER_AUTOMATIC:
2172 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2173 txp_type = NL80211_TX_POWER_LIMITED;
2175 case NL80211_TX_POWER_LIMITED:
2176 case NL80211_TX_POWER_FIXED:
2177 if (mbm < 0 || (mbm % 100))
2179 sdata->user_power_level = MBM_TO_DBM(mbm);
2183 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2184 update_txp_type = true;
2185 sdata->vif.bss_conf.txpower_type = txp_type;
2188 ieee80211_recalc_txpower(sdata, update_txp_type);
2194 case NL80211_TX_POWER_AUTOMATIC:
2195 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2196 txp_type = NL80211_TX_POWER_LIMITED;
2198 case NL80211_TX_POWER_LIMITED:
2199 case NL80211_TX_POWER_FIXED:
2200 if (mbm < 0 || (mbm % 100))
2202 local->user_power_level = MBM_TO_DBM(mbm);
2206 mutex_lock(&local->iflist_mtx);
2207 list_for_each_entry(sdata, &local->interfaces, list) {
2208 sdata->user_power_level = local->user_power_level;
2209 if (txp_type != sdata->vif.bss_conf.txpower_type)
2210 update_txp_type = true;
2211 sdata->vif.bss_conf.txpower_type = txp_type;
2213 list_for_each_entry(sdata, &local->interfaces, list)
2214 ieee80211_recalc_txpower(sdata, update_txp_type);
2215 mutex_unlock(&local->iflist_mtx);
2220 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2221 struct wireless_dev *wdev,
2224 struct ieee80211_local *local = wiphy_priv(wiphy);
2225 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2227 if (local->ops->get_txpower)
2228 return drv_get_txpower(local, sdata, dbm);
2230 if (!local->use_chanctx)
2231 *dbm = local->hw.conf.power_level;
2233 *dbm = sdata->vif.bss_conf.txpower;
2238 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2241 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2243 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2248 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2250 struct ieee80211_local *local = wiphy_priv(wiphy);
2252 drv_rfkill_poll(local);
2255 #ifdef CONFIG_NL80211_TESTMODE
2256 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2257 struct wireless_dev *wdev,
2258 void *data, int len)
2260 struct ieee80211_local *local = wiphy_priv(wiphy);
2261 struct ieee80211_vif *vif = NULL;
2263 if (!local->ops->testmode_cmd)
2267 struct ieee80211_sub_if_data *sdata;
2269 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2270 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2274 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2277 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2278 struct sk_buff *skb,
2279 struct netlink_callback *cb,
2280 void *data, int len)
2282 struct ieee80211_local *local = wiphy_priv(wiphy);
2284 if (!local->ops->testmode_dump)
2287 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2291 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2292 enum ieee80211_smps_mode smps_mode)
2294 struct sta_info *sta;
2295 enum ieee80211_smps_mode old_req;
2297 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2300 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2303 old_req = sdata->u.ap.req_smps;
2304 sdata->u.ap.req_smps = smps_mode;
2306 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2307 if (old_req == smps_mode ||
2308 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2311 /* If no associated stations, there's no need to do anything */
2312 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2313 sdata->smps_mode = smps_mode;
2314 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2319 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2320 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2322 mutex_lock(&sdata->local->sta_mtx);
2323 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2325 * Only stations associated to our AP and
2328 if (sta->sdata->bss != &sdata->u.ap)
2331 /* This station doesn't support MIMO - skip it */
2332 if (sta_info_tx_streams(sta) == 1)
2336 * Don't wake up a STA just to send the action frame
2337 * unless we are getting more restrictive.
2339 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2340 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2342 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2348 * If the STA is not authorized, wait until it gets
2349 * authorized and the action frame will be sent then.
2351 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2354 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2355 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2356 sdata->vif.bss_conf.bssid);
2358 mutex_unlock(&sdata->local->sta_mtx);
2360 sdata->smps_mode = smps_mode;
2361 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2366 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2367 enum ieee80211_smps_mode smps_mode)
2370 enum ieee80211_smps_mode old_req;
2372 struct sta_info *sta;
2373 bool tdls_peer_found = false;
2375 lockdep_assert_held(&sdata->wdev.mtx);
2377 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2380 old_req = sdata->u.mgd.req_smps;
2381 sdata->u.mgd.req_smps = smps_mode;
2383 if (old_req == smps_mode &&
2384 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2388 * If not associated, or current association is not an HT
2389 * association, there's no need to do anything, just store
2390 * the new value until we associate.
2392 if (!sdata->u.mgd.associated ||
2393 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2396 ap = sdata->u.mgd.associated->bssid;
2399 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2400 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2401 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2404 tdls_peer_found = true;
2409 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2410 if (tdls_peer_found || !sdata->u.mgd.powersave)
2411 smps_mode = IEEE80211_SMPS_OFF;
2413 smps_mode = IEEE80211_SMPS_DYNAMIC;
2416 /* send SM PS frame to AP */
2417 err = ieee80211_send_smps_action(sdata, smps_mode,
2420 sdata->u.mgd.req_smps = old_req;
2421 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2422 ieee80211_teardown_tdls_peers(sdata);
2427 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2428 bool enabled, int timeout)
2430 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2431 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2433 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2436 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2439 if (enabled == sdata->u.mgd.powersave &&
2440 timeout == local->dynamic_ps_forced_timeout)
2443 sdata->u.mgd.powersave = enabled;
2444 local->dynamic_ps_forced_timeout = timeout;
2446 /* no change, but if automatic follow powersave */
2448 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2449 sdata_unlock(sdata);
2451 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2452 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2454 ieee80211_recalc_ps(local, -1);
2455 ieee80211_recalc_ps_vif(sdata);
2460 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2461 struct net_device *dev,
2462 s32 rssi_thold, u32 rssi_hyst)
2464 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2465 struct ieee80211_vif *vif = &sdata->vif;
2466 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2468 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2469 rssi_hyst == bss_conf->cqm_rssi_hyst)
2472 bss_conf->cqm_rssi_thold = rssi_thold;
2473 bss_conf->cqm_rssi_hyst = rssi_hyst;
2475 /* tell the driver upon association, unless already associated */
2476 if (sdata->u.mgd.associated &&
2477 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2478 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2483 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2484 struct net_device *dev,
2486 const struct cfg80211_bitrate_mask *mask)
2488 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2489 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2492 if (!ieee80211_sdata_running(sdata))
2495 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2496 ret = drv_set_bitrate_mask(local, sdata, mask);
2501 for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2502 struct ieee80211_supported_band *sband = wiphy->bands[i];
2505 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2506 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2507 sizeof(mask->control[i].ht_mcs));
2508 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2509 mask->control[i].vht_mcs,
2510 sizeof(mask->control[i].vht_mcs));
2512 sdata->rc_has_mcs_mask[i] = false;
2513 sdata->rc_has_vht_mcs_mask[i] = false;
2517 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2518 if (~sdata->rc_rateidx_mcs_mask[i][j])
2519 sdata->rc_has_mcs_mask[i] = true;
2521 if (~sdata->rc_rateidx_vht_mcs_mask[i][j])
2522 sdata->rc_has_vht_mcs_mask[i] = true;
2524 if (sdata->rc_has_mcs_mask[i] &&
2525 sdata->rc_has_vht_mcs_mask[i])
2533 static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local,
2534 struct ieee80211_roc_work *new_roc,
2535 struct ieee80211_roc_work *cur_roc)
2537 unsigned long now = jiffies;
2538 unsigned long remaining = cur_roc->hw_start_time +
2539 msecs_to_jiffies(cur_roc->duration) -
2542 if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun))
2545 /* if it doesn't fit entirely, schedule a new one */
2546 if (new_roc->duration > jiffies_to_msecs(remaining))
2549 ieee80211_handle_roc_started(new_roc);
2551 /* add to dependents so we send the expired event properly */
2552 list_add_tail(&new_roc->list, &cur_roc->dependents);
2556 static u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
2558 lockdep_assert_held(&local->mtx);
2560 local->roc_cookie_counter++;
2562 /* wow, you wrapped 64 bits ... more likely a bug */
2563 if (WARN_ON(local->roc_cookie_counter == 0))
2564 local->roc_cookie_counter++;
2566 return local->roc_cookie_counter;
2569 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2570 struct ieee80211_sub_if_data *sdata,
2571 struct ieee80211_channel *channel,
2572 unsigned int duration, u64 *cookie,
2573 struct sk_buff *txskb,
2574 enum ieee80211_roc_type type)
2576 struct ieee80211_roc_work *roc, *tmp;
2577 bool queued = false;
2580 lockdep_assert_held(&local->mtx);
2582 if (local->use_chanctx && !local->ops->remain_on_channel)
2585 roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2590 * If the duration is zero, then the driver
2591 * wouldn't actually do anything. Set it to
2594 * TODO: cancel the off-channel operation
2595 * when we get the SKB's TX status and
2596 * the wait time was zero before.
2601 roc->chan = channel;
2602 roc->duration = duration;
2603 roc->req_duration = duration;
2607 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2608 INIT_LIST_HEAD(&roc->dependents);
2611 * cookie is either the roc cookie (for normal roc)
2612 * or the SKB (for mgmt TX)
2615 roc->cookie = ieee80211_mgmt_tx_cookie(local);
2616 *cookie = roc->cookie;
2618 roc->mgmt_tx_cookie = *cookie;
2621 /* if there's one pending or we're scanning, queue this one */
2622 if (!list_empty(&local->roc_list) ||
2623 local->scanning || ieee80211_is_radar_required(local))
2624 goto out_check_combine;
2626 /* if not HW assist, just queue & schedule work */
2627 if (!local->ops->remain_on_channel) {
2628 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2632 /* otherwise actually kick it off here (for error handling) */
2634 ret = drv_remain_on_channel(local, sdata, channel, duration, type);
2640 roc->started = true;
2644 list_for_each_entry(tmp, &local->roc_list, list) {
2645 if (tmp->chan != channel || tmp->sdata != sdata)
2649 * Extend this ROC if possible:
2651 * If it hasn't started yet, just increase the duration
2652 * and add the new one to the list of dependents.
2653 * If the type of the new ROC has higher priority, modify the
2654 * type of the previous one to match that of the new one.
2656 if (!tmp->started) {
2657 list_add_tail(&roc->list, &tmp->dependents);
2658 tmp->duration = max(tmp->duration, roc->duration);
2659 tmp->type = max(tmp->type, roc->type);
2664 /* If it has already started, it's more difficult ... */
2665 if (local->ops->remain_on_channel) {
2667 * In the offloaded ROC case, if it hasn't begun, add
2668 * this new one to the dependent list to be handled
2669 * when the master one begins. If it has begun,
2670 * check if it fits entirely within the existing one,
2671 * in which case it will just be dependent as well.
2672 * Otherwise, schedule it by itself.
2674 if (!tmp->hw_begun) {
2675 list_add_tail(&roc->list, &tmp->dependents);
2680 if (ieee80211_coalesce_started_roc(local, roc, tmp))
2682 } else if (del_timer_sync(&tmp->work.timer)) {
2683 unsigned long new_end;
2686 * In the software ROC case, cancel the timer, if
2687 * that fails then the finish work is already
2688 * queued/pending and thus we queue the new ROC
2689 * normally, if that succeeds then we can extend
2690 * the timer duration and TX the frame (if any.)
2693 list_add_tail(&roc->list, &tmp->dependents);
2696 new_end = jiffies + msecs_to_jiffies(roc->duration);
2698 /* ok, it was started & we canceled timer */
2699 if (time_after(new_end, tmp->work.timer.expires))
2700 mod_timer(&tmp->work.timer, new_end);
2702 add_timer(&tmp->work.timer);
2704 ieee80211_handle_roc_started(roc);
2711 list_add_tail(&roc->list, &local->roc_list);
2716 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2717 struct wireless_dev *wdev,
2718 struct ieee80211_channel *chan,
2719 unsigned int duration,
2722 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2723 struct ieee80211_local *local = sdata->local;
2726 mutex_lock(&local->mtx);
2727 ret = ieee80211_start_roc_work(local, sdata, chan,
2728 duration, cookie, NULL,
2729 IEEE80211_ROC_TYPE_NORMAL);
2730 mutex_unlock(&local->mtx);
2735 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2736 u64 cookie, bool mgmt_tx)
2738 struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2741 mutex_lock(&local->mtx);
2742 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2743 struct ieee80211_roc_work *dep, *tmp2;
2745 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2746 if (!mgmt_tx && dep->cookie != cookie)
2748 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2750 /* found dependent item -- just remove it */
2751 list_del(&dep->list);
2752 mutex_unlock(&local->mtx);
2754 ieee80211_roc_notify_destroy(dep, true);
2758 if (!mgmt_tx && roc->cookie != cookie)
2760 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2768 mutex_unlock(&local->mtx);
2773 * We found the item to cancel, so do that. Note that it
2774 * may have dependents, which we also cancel (and send
2775 * the expired signal for.) Not doing so would be quite
2776 * tricky here, but we may need to fix it later.
2779 if (local->ops->remain_on_channel) {
2780 if (found->started) {
2781 ret = drv_cancel_remain_on_channel(local);
2782 if (WARN_ON_ONCE(ret)) {
2783 mutex_unlock(&local->mtx);
2788 list_del(&found->list);
2791 ieee80211_start_next_roc(local);
2792 mutex_unlock(&local->mtx);
2794 ieee80211_roc_notify_destroy(found, true);
2796 /* work may be pending so use it all the time */
2797 found->abort = true;
2798 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2800 mutex_unlock(&local->mtx);
2802 /* work will clean up etc */
2803 flush_delayed_work(&found->work);
2804 WARN_ON(!found->to_be_freed);
2811 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2812 struct wireless_dev *wdev,
2815 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2816 struct ieee80211_local *local = sdata->local;
2818 return ieee80211_cancel_roc(local, cookie, false);
2821 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2822 struct net_device *dev,
2823 struct cfg80211_chan_def *chandef,
2826 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2827 struct ieee80211_local *local = sdata->local;
2830 mutex_lock(&local->mtx);
2831 if (!list_empty(&local->roc_list) || local->scanning) {
2836 /* whatever, but channel contexts should not complain about that one */
2837 sdata->smps_mode = IEEE80211_SMPS_OFF;
2838 sdata->needed_rx_chains = local->rx_chains;
2840 err = ieee80211_vif_use_channel(sdata, chandef,
2841 IEEE80211_CHANCTX_SHARED);
2845 ieee80211_queue_delayed_work(&sdata->local->hw,
2846 &sdata->dfs_cac_timer_work,
2847 msecs_to_jiffies(cac_time_ms));
2850 mutex_unlock(&local->mtx);
2854 static struct cfg80211_beacon_data *
2855 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2857 struct cfg80211_beacon_data *new_beacon;
2861 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2862 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2863 beacon->probe_resp_len;
2865 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2869 pos = (u8 *)(new_beacon + 1);
2870 if (beacon->head_len) {
2871 new_beacon->head_len = beacon->head_len;
2872 new_beacon->head = pos;
2873 memcpy(pos, beacon->head, beacon->head_len);
2874 pos += beacon->head_len;
2876 if (beacon->tail_len) {
2877 new_beacon->tail_len = beacon->tail_len;
2878 new_beacon->tail = pos;
2879 memcpy(pos, beacon->tail, beacon->tail_len);
2880 pos += beacon->tail_len;
2882 if (beacon->beacon_ies_len) {
2883 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2884 new_beacon->beacon_ies = pos;
2885 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2886 pos += beacon->beacon_ies_len;
2888 if (beacon->proberesp_ies_len) {
2889 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2890 new_beacon->proberesp_ies = pos;
2891 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2892 pos += beacon->proberesp_ies_len;
2894 if (beacon->assocresp_ies_len) {
2895 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2896 new_beacon->assocresp_ies = pos;
2897 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2898 pos += beacon->assocresp_ies_len;
2900 if (beacon->probe_resp_len) {
2901 new_beacon->probe_resp_len = beacon->probe_resp_len;
2902 beacon->probe_resp = pos;
2903 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2904 pos += beacon->probe_resp_len;
2910 void ieee80211_csa_finish(struct ieee80211_vif *vif)
2912 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
2914 ieee80211_queue_work(&sdata->local->hw,
2915 &sdata->csa_finalize_work);
2917 EXPORT_SYMBOL(ieee80211_csa_finish);
2919 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2924 switch (sdata->vif.type) {
2925 case NL80211_IFTYPE_AP:
2926 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2928 kfree(sdata->u.ap.next_beacon);
2929 sdata->u.ap.next_beacon = NULL;
2935 case NL80211_IFTYPE_ADHOC:
2936 err = ieee80211_ibss_finish_csa(sdata);
2941 #ifdef CONFIG_MAC80211_MESH
2942 case NL80211_IFTYPE_MESH_POINT:
2943 err = ieee80211_mesh_finish_csa(sdata);
2957 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2959 struct ieee80211_local *local = sdata->local;
2963 sdata_assert_lock(sdata);
2964 lockdep_assert_held(&local->mtx);
2965 lockdep_assert_held(&local->chanctx_mtx);
2968 * using reservation isn't immediate as it may be deferred until later
2969 * with multi-vif. once reservation is complete it will re-schedule the
2970 * work with no reserved_chanctx so verify chandef to check if it
2971 * completed successfully
2974 if (sdata->reserved_chanctx) {
2976 * with multi-vif csa driver may call ieee80211_csa_finish()
2977 * many times while waiting for other interfaces to use their
2980 if (sdata->reserved_ready)
2983 return ieee80211_vif_use_reserved_context(sdata);
2986 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2987 &sdata->csa_chandef))
2990 sdata->vif.csa_active = false;
2992 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2996 ieee80211_bss_info_change_notify(sdata, changed);
2998 if (sdata->csa_block_tx) {
2999 ieee80211_wake_vif_queues(local, sdata,
3000 IEEE80211_QUEUE_STOP_REASON_CSA);
3001 sdata->csa_block_tx = false;
3004 err = drv_post_channel_switch(sdata);
3008 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3013 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3015 if (__ieee80211_csa_finalize(sdata)) {
3016 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3017 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3022 void ieee80211_csa_finalize_work(struct work_struct *work)
3024 struct ieee80211_sub_if_data *sdata =
3025 container_of(work, struct ieee80211_sub_if_data,
3027 struct ieee80211_local *local = sdata->local;
3030 mutex_lock(&local->mtx);
3031 mutex_lock(&local->chanctx_mtx);
3033 /* AP might have been stopped while waiting for the lock. */
3034 if (!sdata->vif.csa_active)
3037 if (!ieee80211_sdata_running(sdata))
3040 ieee80211_csa_finalize(sdata);
3043 mutex_unlock(&local->chanctx_mtx);
3044 mutex_unlock(&local->mtx);
3045 sdata_unlock(sdata);
3048 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3049 struct cfg80211_csa_settings *params,
3052 struct ieee80211_csa_settings csa = {};
3055 switch (sdata->vif.type) {
3056 case NL80211_IFTYPE_AP:
3057 sdata->u.ap.next_beacon =
3058 cfg80211_beacon_dup(¶ms->beacon_after);
3059 if (!sdata->u.ap.next_beacon)
3063 * With a count of 0, we don't have to wait for any
3064 * TBTT before switching, so complete the CSA
3065 * immediately. In theory, with a count == 1 we
3066 * should delay the switch until just before the next
3067 * TBTT, but that would complicate things so we switch
3068 * immediately too. If we would delay the switch
3069 * until the next TBTT, we would have to set the probe
3072 * TODO: A channel switch with count <= 1 without
3073 * sending a CSA action frame is kind of useless,
3074 * because the clients won't know we're changing
3075 * channels. The action frame must be implemented
3076 * either here or in the userspace.
3078 if (params->count <= 1)
3081 if ((params->n_counter_offsets_beacon >
3082 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3083 (params->n_counter_offsets_presp >
3084 IEEE80211_MAX_CSA_COUNTERS_NUM))
3087 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3088 csa.counter_offsets_presp = params->counter_offsets_presp;
3089 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3090 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3091 csa.count = params->count;
3093 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa);
3095 kfree(sdata->u.ap.next_beacon);
3101 case NL80211_IFTYPE_ADHOC:
3102 if (!sdata->vif.bss_conf.ibss_joined)
3105 if (params->chandef.width != sdata->u.ibss.chandef.width)
3108 switch (params->chandef.width) {
3109 case NL80211_CHAN_WIDTH_40:
3110 if (cfg80211_get_chandef_type(¶ms->chandef) !=
3111 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3113 case NL80211_CHAN_WIDTH_5:
3114 case NL80211_CHAN_WIDTH_10:
3115 case NL80211_CHAN_WIDTH_20_NOHT:
3116 case NL80211_CHAN_WIDTH_20:
3122 /* changes into another band are not supported */
3123 if (sdata->u.ibss.chandef.chan->band !=
3124 params->chandef.chan->band)
3127 /* see comments in the NL80211_IFTYPE_AP block */
3128 if (params->count > 1) {
3129 err = ieee80211_ibss_csa_beacon(sdata, params);
3135 ieee80211_send_action_csa(sdata, params);
3138 #ifdef CONFIG_MAC80211_MESH
3139 case NL80211_IFTYPE_MESH_POINT: {
3140 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3142 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3145 /* changes into another band are not supported */
3146 if (sdata->vif.bss_conf.chandef.chan->band !=
3147 params->chandef.chan->band)
3150 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3151 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3152 if (!ifmsh->pre_value)
3153 ifmsh->pre_value = 1;
3158 /* see comments in the NL80211_IFTYPE_AP block */
3159 if (params->count > 1) {
3160 err = ieee80211_mesh_csa_beacon(sdata, params);
3162 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3168 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3169 ieee80211_send_action_csa(sdata, params);
3182 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3183 struct cfg80211_csa_settings *params)
3185 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3186 struct ieee80211_local *local = sdata->local;
3187 struct ieee80211_channel_switch ch_switch;
3188 struct ieee80211_chanctx_conf *conf;
3189 struct ieee80211_chanctx *chanctx;
3193 sdata_assert_lock(sdata);
3194 lockdep_assert_held(&local->mtx);
3196 if (!list_empty(&local->roc_list) || local->scanning)
3199 if (sdata->wdev.cac_started)
3202 if (cfg80211_chandef_identical(¶ms->chandef,
3203 &sdata->vif.bss_conf.chandef))
3206 /* don't allow another channel switch if one is already active. */
3207 if (sdata->vif.csa_active)
3210 mutex_lock(&local->chanctx_mtx);
3211 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3212 lockdep_is_held(&local->chanctx_mtx));
3218 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3224 ch_switch.timestamp = 0;
3225 ch_switch.device_timestamp = 0;
3226 ch_switch.block_tx = params->block_tx;
3227 ch_switch.chandef = params->chandef;
3228 ch_switch.count = params->count;
3230 err = drv_pre_channel_switch(sdata, &ch_switch);
3234 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef,
3236 params->radar_required);
3240 /* if reservation is invalid then this will fail */
3241 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3243 ieee80211_vif_unreserve_chanctx(sdata);
3247 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3249 ieee80211_vif_unreserve_chanctx(sdata);
3253 sdata->csa_chandef = params->chandef;
3254 sdata->csa_block_tx = params->block_tx;
3255 sdata->vif.csa_active = true;
3257 if (sdata->csa_block_tx)
3258 ieee80211_stop_vif_queues(local, sdata,
3259 IEEE80211_QUEUE_STOP_REASON_CSA);
3261 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3265 ieee80211_bss_info_change_notify(sdata, changed);
3266 drv_channel_switch_beacon(sdata, ¶ms->chandef);
3268 /* if the beacon didn't change, we can finalize immediately */
3269 ieee80211_csa_finalize(sdata);
3273 mutex_unlock(&local->chanctx_mtx);
3277 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3278 struct cfg80211_csa_settings *params)
3280 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3281 struct ieee80211_local *local = sdata->local;
3284 mutex_lock(&local->mtx);
3285 err = __ieee80211_channel_switch(wiphy, dev, params);
3286 mutex_unlock(&local->mtx);
3291 static struct sk_buff *ieee80211_make_ack_skb(struct ieee80211_local *local,
3292 struct sk_buff *skb, u64 *cookie,
3295 unsigned long spin_flags;
3296 struct sk_buff *ack_skb;
3299 ack_skb = skb_copy(skb, gfp);
3301 return ERR_PTR(-ENOMEM);
3303 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3304 id = idr_alloc(&local->ack_status_frames, ack_skb,
3305 1, 0x10000, GFP_ATOMIC);
3306 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3310 return ERR_PTR(-ENOMEM);
3313 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3315 *cookie = ieee80211_mgmt_tx_cookie(local);
3316 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3321 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3322 struct cfg80211_mgmt_tx_params *params,
3325 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3326 struct ieee80211_local *local = sdata->local;
3327 struct sk_buff *skb, *ack_skb;
3328 struct sta_info *sta;
3329 const struct ieee80211_mgmt *mgmt = (void *)params->buf;
3330 bool need_offchan = false;
3335 if (params->dont_wait_for_ack)
3336 flags = IEEE80211_TX_CTL_NO_ACK;
3338 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3339 IEEE80211_TX_CTL_REQ_TX_STATUS;
3342 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3344 switch (sdata->vif.type) {
3345 case NL80211_IFTYPE_ADHOC:
3346 if (!sdata->vif.bss_conf.ibss_joined)
3347 need_offchan = true;
3349 #ifdef CONFIG_MAC80211_MESH
3350 case NL80211_IFTYPE_MESH_POINT:
3351 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3352 !sdata->u.mesh.mesh_id_len)
3353 need_offchan = true;
3356 case NL80211_IFTYPE_AP:
3357 case NL80211_IFTYPE_AP_VLAN:
3358 case NL80211_IFTYPE_P2P_GO:
3359 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3360 !ieee80211_vif_is_mesh(&sdata->vif) &&
3361 !rcu_access_pointer(sdata->bss->beacon))
3362 need_offchan = true;
3363 if (!ieee80211_is_action(mgmt->frame_control) ||
3364 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
3365 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3366 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
3369 sta = sta_info_get(sdata, mgmt->da);
3374 case NL80211_IFTYPE_STATION:
3375 case NL80211_IFTYPE_P2P_CLIENT:
3377 if (!sdata->u.mgd.associated ||
3378 (params->offchan && params->wait &&
3379 local->ops->remain_on_channel &&
3380 memcmp(sdata->u.mgd.associated->bssid,
3381 mgmt->bssid, ETH_ALEN)))
3382 need_offchan = true;
3383 sdata_unlock(sdata);
3385 case NL80211_IFTYPE_P2P_DEVICE:
3386 need_offchan = true;
3392 /* configurations requiring offchan cannot work if no channel has been
3395 if (need_offchan && !params->chan)
3398 mutex_lock(&local->mtx);
3400 /* Check if the operating channel is the requested channel */
3401 if (!need_offchan) {
3402 struct ieee80211_chanctx_conf *chanctx_conf;
3405 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3408 need_offchan = params->chan &&
3410 chanctx_conf->def.chan);
3411 } else if (!params->chan) {
3416 need_offchan = true;
3421 if (need_offchan && !params->offchan) {
3426 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
3431 skb_reserve(skb, local->hw.extra_tx_headroom);
3433 data = skb_put(skb, params->len);
3434 memcpy(data, params->buf, params->len);
3436 /* Update CSA counters */
3437 if (sdata->vif.csa_active &&
3438 (sdata->vif.type == NL80211_IFTYPE_AP ||
3439 sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
3440 sdata->vif.type == NL80211_IFTYPE_ADHOC) &&
3441 params->n_csa_offsets) {
3443 struct beacon_data *beacon = NULL;
3447 if (sdata->vif.type == NL80211_IFTYPE_AP)
3448 beacon = rcu_dereference(sdata->u.ap.beacon);
3449 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
3450 beacon = rcu_dereference(sdata->u.ibss.presp);
3451 else if (ieee80211_vif_is_mesh(&sdata->vif))
3452 beacon = rcu_dereference(sdata->u.mesh.beacon);
3455 for (i = 0; i < params->n_csa_offsets; i++)
3456 data[params->csa_offsets[i]] =
3457 beacon->csa_current_counter;
3462 IEEE80211_SKB_CB(skb)->flags = flags;
3464 skb->dev = sdata->dev;
3466 if (!params->dont_wait_for_ack) {
3467 /* make a copy to preserve the frame contents
3468 * in case of encryption.
3470 ack_skb = ieee80211_make_ack_skb(local, skb, cookie,
3472 if (IS_ERR(ack_skb)) {
3473 ret = PTR_ERR(ack_skb);
3478 /* for cookie below */
3482 if (!need_offchan) {
3483 ieee80211_tx_skb(sdata, skb);
3488 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3489 IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
3490 if (ieee80211_hw_check(&local->hw, QUEUE_CONTROL))
3491 IEEE80211_SKB_CB(skb)->hw_queue =
3492 local->hw.offchannel_tx_hw_queue;
3494 /* This will handle all kinds of coalescing and immediate TX */
3495 ret = ieee80211_start_roc_work(local, sdata, params->chan,
3496 params->wait, cookie, skb,
3497 IEEE80211_ROC_TYPE_MGMT_TX);
3501 mutex_unlock(&local->mtx);
3505 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
3506 struct wireless_dev *wdev,
3509 struct ieee80211_local *local = wiphy_priv(wiphy);
3511 return ieee80211_cancel_roc(local, cookie, true);
3514 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3515 struct wireless_dev *wdev,
3516 u16 frame_type, bool reg)
3518 struct ieee80211_local *local = wiphy_priv(wiphy);
3519 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3521 switch (frame_type) {
3522 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3524 local->probe_req_reg++;
3525 sdata->vif.probe_req_reg++;
3527 if (local->probe_req_reg)
3528 local->probe_req_reg--;
3530 if (sdata->vif.probe_req_reg)
3531 sdata->vif.probe_req_reg--;
3534 if (!local->open_count)
3537 if (sdata->vif.probe_req_reg == 1)
3538 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3540 else if (sdata->vif.probe_req_reg == 0)
3541 drv_config_iface_filter(local, sdata, 0,
3544 ieee80211_configure_filter(local);
3551 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3553 struct ieee80211_local *local = wiphy_priv(wiphy);
3558 return drv_set_antenna(local, tx_ant, rx_ant);
3561 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3563 struct ieee80211_local *local = wiphy_priv(wiphy);
3565 return drv_get_antenna(local, tx_ant, rx_ant);
3568 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3569 struct net_device *dev,
3570 struct cfg80211_gtk_rekey_data *data)
3572 struct ieee80211_local *local = wiphy_priv(wiphy);
3573 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3575 if (!local->ops->set_rekey_data)
3578 drv_set_rekey_data(local, sdata, data);
3583 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3584 const u8 *peer, u64 *cookie)
3586 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3587 struct ieee80211_local *local = sdata->local;
3588 struct ieee80211_qos_hdr *nullfunc;
3589 struct sk_buff *skb, *ack_skb;
3590 int size = sizeof(*nullfunc);
3593 struct ieee80211_tx_info *info;
3594 struct sta_info *sta;
3595 struct ieee80211_chanctx_conf *chanctx_conf;
3596 enum ieee80211_band band;
3599 /* the lock is needed to assign the cookie later */
3600 mutex_lock(&local->mtx);
3603 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3604 if (WARN_ON(!chanctx_conf)) {
3608 band = chanctx_conf->def.chan->band;
3609 sta = sta_info_get_bss(sdata, peer);
3618 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3619 IEEE80211_STYPE_QOS_NULLFUNC |
3620 IEEE80211_FCTL_FROMDS);
3623 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3624 IEEE80211_STYPE_NULLFUNC |
3625 IEEE80211_FCTL_FROMDS);
3628 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3636 skb_reserve(skb, local->hw.extra_tx_headroom);
3638 nullfunc = (void *) skb_put(skb, size);
3639 nullfunc->frame_control = fc;
3640 nullfunc->duration_id = 0;
3641 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3642 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3643 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3644 nullfunc->seq_ctrl = 0;
3646 info = IEEE80211_SKB_CB(skb);
3648 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3649 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3652 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3655 nullfunc->qos_ctrl = cpu_to_le16(7);
3657 ack_skb = ieee80211_make_ack_skb(local, skb, cookie, GFP_ATOMIC);
3658 if (IS_ERR(ack_skb)) {
3660 ret = PTR_ERR(ack_skb);
3665 ieee80211_xmit(sdata, sta, skb);
3671 mutex_unlock(&local->mtx);
3676 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3677 struct wireless_dev *wdev,
3678 struct cfg80211_chan_def *chandef)
3680 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3681 struct ieee80211_local *local = wiphy_priv(wiphy);
3682 struct ieee80211_chanctx_conf *chanctx_conf;
3686 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3688 *chandef = sdata->vif.bss_conf.chandef;
3690 } else if (local->open_count > 0 &&
3691 local->open_count == local->monitors &&
3692 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3693 if (local->use_chanctx)
3694 *chandef = local->monitor_chandef;
3696 *chandef = local->_oper_chandef;
3705 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3707 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3711 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3712 struct net_device *dev,
3713 struct cfg80211_qos_map *qos_map)
3715 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3716 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3719 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3722 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3724 /* A NULL qos_map was passed to disable QoS mapping */
3728 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3729 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3731 kfree_rcu(old_qos_map, rcu_head);
3736 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3737 struct net_device *dev,
3738 struct cfg80211_chan_def *chandef)
3740 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3744 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3746 ieee80211_bss_info_change_notify(sdata, changed);
3751 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3752 u8 tsid, const u8 *peer, u8 up,
3755 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3756 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3757 int ac = ieee802_1d_to_ac[up];
3759 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3762 if (!(sdata->wmm_acm & BIT(up)))
3765 if (ifmgd->tx_tspec[ac].admitted_time)
3768 if (admitted_time) {
3769 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3770 ifmgd->tx_tspec[ac].tsid = tsid;
3771 ifmgd->tx_tspec[ac].up = up;
3777 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3778 u8 tsid, const u8 *peer)
3780 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3781 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3782 struct ieee80211_local *local = wiphy_priv(wiphy);
3785 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3786 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3788 /* skip unused entries */
3789 if (!tx_tspec->admitted_time)
3792 if (tx_tspec->tsid != tsid)
3795 /* due to this new packets will be reassigned to non-ACM ACs */
3798 /* Make sure that all packets have been sent to avoid to
3799 * restore the QoS params on packets that are still on the
3803 ieee80211_flush_queues(local, sdata, false);
3805 /* restore the normal QoS parameters
3806 * (unconditionally to avoid races)
3808 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3809 tx_tspec->downgraded = false;
3810 ieee80211_sta_handle_tspec_ac_params(sdata);
3812 /* finally clear all the data */
3813 memset(tx_tspec, 0, sizeof(*tx_tspec));
3821 const struct cfg80211_ops mac80211_config_ops = {
3822 .add_virtual_intf = ieee80211_add_iface,
3823 .del_virtual_intf = ieee80211_del_iface,
3824 .change_virtual_intf = ieee80211_change_iface,
3825 .start_p2p_device = ieee80211_start_p2p_device,
3826 .stop_p2p_device = ieee80211_stop_p2p_device,
3827 .add_key = ieee80211_add_key,
3828 .del_key = ieee80211_del_key,
3829 .get_key = ieee80211_get_key,
3830 .set_default_key = ieee80211_config_default_key,
3831 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3832 .start_ap = ieee80211_start_ap,
3833 .change_beacon = ieee80211_change_beacon,
3834 .stop_ap = ieee80211_stop_ap,
3835 .add_station = ieee80211_add_station,
3836 .del_station = ieee80211_del_station,
3837 .change_station = ieee80211_change_station,
3838 .get_station = ieee80211_get_station,
3839 .dump_station = ieee80211_dump_station,
3840 .dump_survey = ieee80211_dump_survey,
3841 #ifdef CONFIG_MAC80211_MESH
3842 .add_mpath = ieee80211_add_mpath,
3843 .del_mpath = ieee80211_del_mpath,
3844 .change_mpath = ieee80211_change_mpath,
3845 .get_mpath = ieee80211_get_mpath,
3846 .dump_mpath = ieee80211_dump_mpath,
3847 .get_mpp = ieee80211_get_mpp,
3848 .dump_mpp = ieee80211_dump_mpp,
3849 .update_mesh_config = ieee80211_update_mesh_config,
3850 .get_mesh_config = ieee80211_get_mesh_config,
3851 .join_mesh = ieee80211_join_mesh,
3852 .leave_mesh = ieee80211_leave_mesh,
3854 .join_ocb = ieee80211_join_ocb,
3855 .leave_ocb = ieee80211_leave_ocb,
3856 .change_bss = ieee80211_change_bss,
3857 .set_txq_params = ieee80211_set_txq_params,
3858 .set_monitor_channel = ieee80211_set_monitor_channel,
3859 .suspend = ieee80211_suspend,
3860 .resume = ieee80211_resume,
3861 .scan = ieee80211_scan,
3862 .sched_scan_start = ieee80211_sched_scan_start,
3863 .sched_scan_stop = ieee80211_sched_scan_stop,
3864 .auth = ieee80211_auth,
3865 .assoc = ieee80211_assoc,
3866 .deauth = ieee80211_deauth,
3867 .disassoc = ieee80211_disassoc,
3868 .join_ibss = ieee80211_join_ibss,
3869 .leave_ibss = ieee80211_leave_ibss,
3870 .set_mcast_rate = ieee80211_set_mcast_rate,
3871 .set_wiphy_params = ieee80211_set_wiphy_params,
3872 .set_tx_power = ieee80211_set_tx_power,
3873 .get_tx_power = ieee80211_get_tx_power,
3874 .set_wds_peer = ieee80211_set_wds_peer,
3875 .rfkill_poll = ieee80211_rfkill_poll,
3876 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3877 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3878 .set_power_mgmt = ieee80211_set_power_mgmt,
3879 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3880 .remain_on_channel = ieee80211_remain_on_channel,
3881 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3882 .mgmt_tx = ieee80211_mgmt_tx,
3883 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3884 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3885 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3886 .set_antenna = ieee80211_set_antenna,
3887 .get_antenna = ieee80211_get_antenna,
3888 .set_rekey_data = ieee80211_set_rekey_data,
3889 .tdls_oper = ieee80211_tdls_oper,
3890 .tdls_mgmt = ieee80211_tdls_mgmt,
3891 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3892 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
3893 .probe_client = ieee80211_probe_client,
3894 .set_noack_map = ieee80211_set_noack_map,
3896 .set_wakeup = ieee80211_set_wakeup,
3898 .get_channel = ieee80211_cfg_get_channel,
3899 .start_radar_detection = ieee80211_start_radar_detection,
3900 .channel_switch = ieee80211_channel_switch,
3901 .set_qos_map = ieee80211_set_qos_map,
3902 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
3903 .add_tx_ts = ieee80211_add_tx_ts,
3904 .del_tx_ts = ieee80211_del_tx_ts,