2 * Copyright (c) 2005-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include <net/mac80211.h>
21 #include <linux/etherdevice.h>
39 static struct ieee80211_rate ath10k_rates[] = {
41 .hw_value = ATH10K_HW_RATE_CCK_LP_1M },
43 .hw_value = ATH10K_HW_RATE_CCK_LP_2M,
44 .hw_value_short = ATH10K_HW_RATE_CCK_SP_2M,
45 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
47 .hw_value = ATH10K_HW_RATE_CCK_LP_5_5M,
48 .hw_value_short = ATH10K_HW_RATE_CCK_SP_5_5M,
49 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
51 .hw_value = ATH10K_HW_RATE_CCK_LP_11M,
52 .hw_value_short = ATH10K_HW_RATE_CCK_SP_11M,
53 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
55 { .bitrate = 60, .hw_value = ATH10K_HW_RATE_OFDM_6M },
56 { .bitrate = 90, .hw_value = ATH10K_HW_RATE_OFDM_9M },
57 { .bitrate = 120, .hw_value = ATH10K_HW_RATE_OFDM_12M },
58 { .bitrate = 180, .hw_value = ATH10K_HW_RATE_OFDM_18M },
59 { .bitrate = 240, .hw_value = ATH10K_HW_RATE_OFDM_24M },
60 { .bitrate = 360, .hw_value = ATH10K_HW_RATE_OFDM_36M },
61 { .bitrate = 480, .hw_value = ATH10K_HW_RATE_OFDM_48M },
62 { .bitrate = 540, .hw_value = ATH10K_HW_RATE_OFDM_54M },
65 #define ATH10K_MAC_FIRST_OFDM_RATE_IDX 4
67 #define ath10k_a_rates (ath10k_rates + ATH10K_MAC_FIRST_OFDM_RATE_IDX)
68 #define ath10k_a_rates_size (ARRAY_SIZE(ath10k_rates) - \
69 ATH10K_MAC_FIRST_OFDM_RATE_IDX)
70 #define ath10k_g_rates (ath10k_rates + 0)
71 #define ath10k_g_rates_size (ARRAY_SIZE(ath10k_rates))
73 static bool ath10k_mac_bitrate_is_cck(int bitrate)
86 static u8 ath10k_mac_bitrate_to_rate(int bitrate)
88 return DIV_ROUND_UP(bitrate, 5) |
89 (ath10k_mac_bitrate_is_cck(bitrate) ? BIT(7) : 0);
92 u8 ath10k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband,
95 const struct ieee80211_rate *rate;
98 for (i = 0; i < sband->n_bitrates; i++) {
99 rate = &sband->bitrates[i];
101 if (ath10k_mac_bitrate_is_cck(rate->bitrate) != cck)
104 if (rate->hw_value == hw_rate)
106 else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE &&
107 rate->hw_value_short == hw_rate)
114 u8 ath10k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband,
119 for (i = 0; i < sband->n_bitrates; i++)
120 if (sband->bitrates[i].bitrate == bitrate)
126 static int ath10k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss)
128 switch ((mcs_map >> (2 * nss)) & 0x3) {
129 case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1;
130 case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1;
131 case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1;
137 ath10k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
141 for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--)
142 if (ht_mcs_mask[nss])
149 ath10k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
153 for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--)
154 if (vht_mcs_mask[nss])
164 static int ath10k_send_key(struct ath10k_vif *arvif,
165 struct ieee80211_key_conf *key,
166 enum set_key_cmd cmd,
167 const u8 *macaddr, u32 flags)
169 struct ath10k *ar = arvif->ar;
170 struct wmi_vdev_install_key_arg arg = {
171 .vdev_id = arvif->vdev_id,
172 .key_idx = key->keyidx,
173 .key_len = key->keylen,
174 .key_data = key->key,
179 lockdep_assert_held(&arvif->ar->conf_mutex);
181 switch (key->cipher) {
182 case WLAN_CIPHER_SUITE_CCMP:
183 arg.key_cipher = WMI_CIPHER_AES_CCM;
184 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;
186 case WLAN_CIPHER_SUITE_TKIP:
187 arg.key_cipher = WMI_CIPHER_TKIP;
188 arg.key_txmic_len = 8;
189 arg.key_rxmic_len = 8;
191 case WLAN_CIPHER_SUITE_WEP40:
192 case WLAN_CIPHER_SUITE_WEP104:
193 arg.key_cipher = WMI_CIPHER_WEP;
195 case WLAN_CIPHER_SUITE_AES_CMAC:
199 ath10k_warn(ar, "cipher %d is not supported\n", key->cipher);
203 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
204 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
206 if (cmd == DISABLE_KEY) {
207 arg.key_cipher = WMI_CIPHER_NONE;
211 return ath10k_wmi_vdev_install_key(arvif->ar, &arg);
214 static int ath10k_install_key(struct ath10k_vif *arvif,
215 struct ieee80211_key_conf *key,
216 enum set_key_cmd cmd,
217 const u8 *macaddr, u32 flags)
219 struct ath10k *ar = arvif->ar;
221 unsigned long time_left;
223 lockdep_assert_held(&ar->conf_mutex);
225 reinit_completion(&ar->install_key_done);
227 if (arvif->nohwcrypt)
230 ret = ath10k_send_key(arvif, key, cmd, macaddr, flags);
234 time_left = wait_for_completion_timeout(&ar->install_key_done, 3 * HZ);
241 static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif,
244 struct ath10k *ar = arvif->ar;
245 struct ath10k_peer *peer;
250 lockdep_assert_held(&ar->conf_mutex);
252 if (WARN_ON(arvif->vif->type != NL80211_IFTYPE_AP &&
253 arvif->vif->type != NL80211_IFTYPE_ADHOC &&
254 arvif->vif->type != NL80211_IFTYPE_MESH_POINT))
257 spin_lock_bh(&ar->data_lock);
258 peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
259 spin_unlock_bh(&ar->data_lock);
264 for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) {
265 if (arvif->wep_keys[i] == NULL)
268 switch (arvif->vif->type) {
269 case NL80211_IFTYPE_AP:
270 flags = WMI_KEY_PAIRWISE;
272 if (arvif->def_wep_key_idx == i)
273 flags |= WMI_KEY_TX_USAGE;
275 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
276 SET_KEY, addr, flags);
280 case NL80211_IFTYPE_ADHOC:
281 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
287 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
288 SET_KEY, addr, WMI_KEY_GROUP);
297 spin_lock_bh(&ar->data_lock);
298 peer->keys[i] = arvif->wep_keys[i];
299 spin_unlock_bh(&ar->data_lock);
302 /* In some cases (notably with static WEP IBSS with multiple keys)
303 * multicast Tx becomes broken. Both pairwise and groupwise keys are
304 * installed already. Using WMI_KEY_TX_USAGE in different combinations
305 * didn't seem help. Using def_keyid vdev parameter seems to be
306 * effective so use that.
308 * FIXME: Revisit. Perhaps this can be done in a less hacky way.
310 if (arvif->vif->type != NL80211_IFTYPE_ADHOC)
313 if (arvif->def_wep_key_idx == -1)
316 ret = ath10k_wmi_vdev_set_param(arvif->ar,
318 arvif->ar->wmi.vdev_param->def_keyid,
319 arvif->def_wep_key_idx);
321 ath10k_warn(ar, "failed to re-set def wpa key idxon vdev %i: %d\n",
322 arvif->vdev_id, ret);
329 static int ath10k_clear_peer_keys(struct ath10k_vif *arvif,
332 struct ath10k *ar = arvif->ar;
333 struct ath10k_peer *peer;
339 lockdep_assert_held(&ar->conf_mutex);
341 spin_lock_bh(&ar->data_lock);
342 peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
343 spin_unlock_bh(&ar->data_lock);
348 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
349 if (peer->keys[i] == NULL)
352 /* key flags are not required to delete the key */
353 ret = ath10k_install_key(arvif, peer->keys[i],
354 DISABLE_KEY, addr, flags);
355 if (ret < 0 && first_errno == 0)
359 ath10k_warn(ar, "failed to remove peer wep key %d: %d\n",
362 spin_lock_bh(&ar->data_lock);
363 peer->keys[i] = NULL;
364 spin_unlock_bh(&ar->data_lock);
370 bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr,
373 struct ath10k_peer *peer;
376 lockdep_assert_held(&ar->data_lock);
378 /* We don't know which vdev this peer belongs to,
379 * since WMI doesn't give us that information.
381 * FIXME: multi-bss needs to be handled.
383 peer = ath10k_peer_find(ar, 0, addr);
387 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
388 if (peer->keys[i] && peer->keys[i]->keyidx == keyidx)
395 static int ath10k_clear_vdev_key(struct ath10k_vif *arvif,
396 struct ieee80211_key_conf *key)
398 struct ath10k *ar = arvif->ar;
399 struct ath10k_peer *peer;
406 lockdep_assert_held(&ar->conf_mutex);
409 /* since ath10k_install_key we can't hold data_lock all the
410 * time, so we try to remove the keys incrementally */
411 spin_lock_bh(&ar->data_lock);
413 list_for_each_entry(peer, &ar->peers, list) {
414 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
415 if (peer->keys[i] == key) {
416 ether_addr_copy(addr, peer->addr);
417 peer->keys[i] = NULL;
422 if (i < ARRAY_SIZE(peer->keys))
425 spin_unlock_bh(&ar->data_lock);
427 if (i == ARRAY_SIZE(peer->keys))
429 /* key flags are not required to delete the key */
430 ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, flags);
431 if (ret < 0 && first_errno == 0)
435 ath10k_warn(ar, "failed to remove key for %pM: %d\n",
442 static int ath10k_mac_vif_update_wep_key(struct ath10k_vif *arvif,
443 struct ieee80211_key_conf *key)
445 struct ath10k *ar = arvif->ar;
446 struct ath10k_peer *peer;
449 lockdep_assert_held(&ar->conf_mutex);
451 list_for_each_entry(peer, &ar->peers, list) {
452 if (!memcmp(peer->addr, arvif->vif->addr, ETH_ALEN))
455 if (!memcmp(peer->addr, arvif->bssid, ETH_ALEN))
458 if (peer->keys[key->keyidx] == key)
461 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vif vdev %i update key %i needs update\n",
462 arvif->vdev_id, key->keyidx);
464 ret = ath10k_install_peer_wep_keys(arvif, peer->addr);
466 ath10k_warn(ar, "failed to update wep keys on vdev %i for peer %pM: %d\n",
467 arvif->vdev_id, peer->addr, ret);
475 /*********************/
476 /* General utilities */
477 /*********************/
479 static inline enum wmi_phy_mode
480 chan_to_phymode(const struct cfg80211_chan_def *chandef)
482 enum wmi_phy_mode phymode = MODE_UNKNOWN;
484 switch (chandef->chan->band) {
485 case IEEE80211_BAND_2GHZ:
486 switch (chandef->width) {
487 case NL80211_CHAN_WIDTH_20_NOHT:
488 if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM)
493 case NL80211_CHAN_WIDTH_20:
494 phymode = MODE_11NG_HT20;
496 case NL80211_CHAN_WIDTH_40:
497 phymode = MODE_11NG_HT40;
499 case NL80211_CHAN_WIDTH_5:
500 case NL80211_CHAN_WIDTH_10:
501 case NL80211_CHAN_WIDTH_80:
502 case NL80211_CHAN_WIDTH_80P80:
503 case NL80211_CHAN_WIDTH_160:
504 phymode = MODE_UNKNOWN;
508 case IEEE80211_BAND_5GHZ:
509 switch (chandef->width) {
510 case NL80211_CHAN_WIDTH_20_NOHT:
513 case NL80211_CHAN_WIDTH_20:
514 phymode = MODE_11NA_HT20;
516 case NL80211_CHAN_WIDTH_40:
517 phymode = MODE_11NA_HT40;
519 case NL80211_CHAN_WIDTH_80:
520 phymode = MODE_11AC_VHT80;
522 case NL80211_CHAN_WIDTH_5:
523 case NL80211_CHAN_WIDTH_10:
524 case NL80211_CHAN_WIDTH_80P80:
525 case NL80211_CHAN_WIDTH_160:
526 phymode = MODE_UNKNOWN;
534 WARN_ON(phymode == MODE_UNKNOWN);
538 static u8 ath10k_parse_mpdudensity(u8 mpdudensity)
541 * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
542 * 0 for no restriction
551 switch (mpdudensity) {
557 /* Our lower layer calculations limit our precision to
573 int ath10k_mac_vif_chan(struct ieee80211_vif *vif,
574 struct cfg80211_chan_def *def)
576 struct ieee80211_chanctx_conf *conf;
579 conf = rcu_dereference(vif->chanctx_conf);
591 static void ath10k_mac_num_chanctxs_iter(struct ieee80211_hw *hw,
592 struct ieee80211_chanctx_conf *conf,
600 static int ath10k_mac_num_chanctxs(struct ath10k *ar)
604 ieee80211_iter_chan_contexts_atomic(ar->hw,
605 ath10k_mac_num_chanctxs_iter,
612 ath10k_mac_get_any_chandef_iter(struct ieee80211_hw *hw,
613 struct ieee80211_chanctx_conf *conf,
616 struct cfg80211_chan_def **def = data;
621 static int ath10k_peer_create(struct ath10k *ar, u32 vdev_id, const u8 *addr,
622 enum wmi_peer_type peer_type)
624 struct ath10k_vif *arvif;
628 lockdep_assert_held(&ar->conf_mutex);
630 num_peers = ar->num_peers;
632 /* Each vdev consumes a peer entry as well */
633 list_for_each_entry(arvif, &ar->arvifs, list)
636 if (num_peers >= ar->max_num_peers)
639 ret = ath10k_wmi_peer_create(ar, vdev_id, addr, peer_type);
641 ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n",
646 ret = ath10k_wait_for_peer_created(ar, vdev_id, addr);
648 ath10k_warn(ar, "failed to wait for created wmi peer %pM on vdev %i: %i\n",
658 static int ath10k_mac_set_kickout(struct ath10k_vif *arvif)
660 struct ath10k *ar = arvif->ar;
664 param = ar->wmi.pdev_param->sta_kickout_th;
665 ret = ath10k_wmi_pdev_set_param(ar, param,
666 ATH10K_KICKOUT_THRESHOLD);
668 ath10k_warn(ar, "failed to set kickout threshold on vdev %i: %d\n",
669 arvif->vdev_id, ret);
673 param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs;
674 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
675 ATH10K_KEEPALIVE_MIN_IDLE);
677 ath10k_warn(ar, "failed to set keepalive minimum idle time on vdev %i: %d\n",
678 arvif->vdev_id, ret);
682 param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs;
683 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
684 ATH10K_KEEPALIVE_MAX_IDLE);
686 ath10k_warn(ar, "failed to set keepalive maximum idle time on vdev %i: %d\n",
687 arvif->vdev_id, ret);
691 param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs;
692 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
693 ATH10K_KEEPALIVE_MAX_UNRESPONSIVE);
695 ath10k_warn(ar, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n",
696 arvif->vdev_id, ret);
703 static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value)
705 struct ath10k *ar = arvif->ar;
708 vdev_param = ar->wmi.vdev_param->rts_threshold;
709 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value);
712 static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr)
716 lockdep_assert_held(&ar->conf_mutex);
718 ret = ath10k_wmi_peer_delete(ar, vdev_id, addr);
722 ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr);
731 static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
733 struct ath10k_peer *peer, *tmp;
735 lockdep_assert_held(&ar->conf_mutex);
737 spin_lock_bh(&ar->data_lock);
738 list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
739 if (peer->vdev_id != vdev_id)
742 ath10k_warn(ar, "removing stale peer %pM from vdev_id %d\n",
743 peer->addr, vdev_id);
745 list_del(&peer->list);
749 spin_unlock_bh(&ar->data_lock);
752 static void ath10k_peer_cleanup_all(struct ath10k *ar)
754 struct ath10k_peer *peer, *tmp;
756 lockdep_assert_held(&ar->conf_mutex);
758 spin_lock_bh(&ar->data_lock);
759 list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
760 list_del(&peer->list);
763 spin_unlock_bh(&ar->data_lock);
766 ar->num_stations = 0;
769 static int ath10k_mac_tdls_peer_update(struct ath10k *ar, u32 vdev_id,
770 struct ieee80211_sta *sta,
771 enum wmi_tdls_peer_state state)
774 struct wmi_tdls_peer_update_cmd_arg arg = {};
775 struct wmi_tdls_peer_capab_arg cap = {};
776 struct wmi_channel_arg chan_arg = {};
778 lockdep_assert_held(&ar->conf_mutex);
780 arg.vdev_id = vdev_id;
781 arg.peer_state = state;
782 ether_addr_copy(arg.addr, sta->addr);
784 cap.peer_max_sp = sta->max_sp;
785 cap.peer_uapsd_queues = sta->uapsd_queues;
787 if (state == WMI_TDLS_PEER_STATE_CONNECTED &&
788 !sta->tdls_initiator)
789 cap.is_peer_responder = 1;
791 ret = ath10k_wmi_tdls_peer_update(ar, &arg, &cap, &chan_arg);
793 ath10k_warn(ar, "failed to update tdls peer %pM on vdev %i: %i\n",
794 arg.addr, vdev_id, ret);
801 /************************/
802 /* Interface management */
803 /************************/
805 void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif)
807 struct ath10k *ar = arvif->ar;
809 lockdep_assert_held(&ar->data_lock);
814 if (!arvif->beacon_buf)
815 dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr,
816 arvif->beacon->len, DMA_TO_DEVICE);
818 if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED &&
819 arvif->beacon_state != ATH10K_BEACON_SENT))
822 dev_kfree_skb_any(arvif->beacon);
824 arvif->beacon = NULL;
825 arvif->beacon_state = ATH10K_BEACON_SCHEDULED;
828 static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif)
830 struct ath10k *ar = arvif->ar;
832 lockdep_assert_held(&ar->data_lock);
834 ath10k_mac_vif_beacon_free(arvif);
836 if (arvif->beacon_buf) {
837 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
838 arvif->beacon_buf, arvif->beacon_paddr);
839 arvif->beacon_buf = NULL;
843 static inline int ath10k_vdev_setup_sync(struct ath10k *ar)
845 unsigned long time_left;
847 lockdep_assert_held(&ar->conf_mutex);
849 if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags))
852 time_left = wait_for_completion_timeout(&ar->vdev_setup_done,
853 ATH10K_VDEV_SETUP_TIMEOUT_HZ);
860 static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id)
862 struct cfg80211_chan_def *chandef = NULL;
863 struct ieee80211_channel *channel = NULL;
864 struct wmi_vdev_start_request_arg arg = {};
867 lockdep_assert_held(&ar->conf_mutex);
869 ieee80211_iter_chan_contexts_atomic(ar->hw,
870 ath10k_mac_get_any_chandef_iter,
872 if (WARN_ON_ONCE(!chandef))
875 channel = chandef->chan;
877 arg.vdev_id = vdev_id;
878 arg.channel.freq = channel->center_freq;
879 arg.channel.band_center_freq1 = chandef->center_freq1;
881 /* TODO setup this dynamically, what in case we
882 don't have any vifs? */
883 arg.channel.mode = chan_to_phymode(chandef);
884 arg.channel.chan_radar =
885 !!(channel->flags & IEEE80211_CHAN_RADAR);
887 arg.channel.min_power = 0;
888 arg.channel.max_power = channel->max_power * 2;
889 arg.channel.max_reg_power = channel->max_reg_power * 2;
890 arg.channel.max_antenna_gain = channel->max_antenna_gain * 2;
892 reinit_completion(&ar->vdev_setup_done);
894 ret = ath10k_wmi_vdev_start(ar, &arg);
896 ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n",
901 ret = ath10k_vdev_setup_sync(ar);
903 ath10k_warn(ar, "failed to synchronize setup for monitor vdev %i start: %d\n",
908 ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr);
910 ath10k_warn(ar, "failed to put up monitor vdev %i: %d\n",
915 ar->monitor_vdev_id = vdev_id;
917 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i started\n",
918 ar->monitor_vdev_id);
922 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
924 ath10k_warn(ar, "failed to stop monitor vdev %i after start failure: %d\n",
925 ar->monitor_vdev_id, ret);
930 static int ath10k_monitor_vdev_stop(struct ath10k *ar)
934 lockdep_assert_held(&ar->conf_mutex);
936 ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id);
938 ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n",
939 ar->monitor_vdev_id, ret);
941 reinit_completion(&ar->vdev_setup_done);
943 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
945 ath10k_warn(ar, "failed to to request monitor vdev %i stop: %d\n",
946 ar->monitor_vdev_id, ret);
948 ret = ath10k_vdev_setup_sync(ar);
950 ath10k_warn(ar, "failed to synchronize monitor vdev %i stop: %d\n",
951 ar->monitor_vdev_id, ret);
953 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i stopped\n",
954 ar->monitor_vdev_id);
958 static int ath10k_monitor_vdev_create(struct ath10k *ar)
962 lockdep_assert_held(&ar->conf_mutex);
964 if (ar->free_vdev_map == 0) {
965 ath10k_warn(ar, "failed to find free vdev id for monitor vdev\n");
969 bit = __ffs64(ar->free_vdev_map);
971 ar->monitor_vdev_id = bit;
973 ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id,
974 WMI_VDEV_TYPE_MONITOR,
977 ath10k_warn(ar, "failed to request monitor vdev %i creation: %d\n",
978 ar->monitor_vdev_id, ret);
982 ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id);
983 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n",
984 ar->monitor_vdev_id);
989 static int ath10k_monitor_vdev_delete(struct ath10k *ar)
993 lockdep_assert_held(&ar->conf_mutex);
995 ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id);
997 ath10k_warn(ar, "failed to request wmi monitor vdev %i removal: %d\n",
998 ar->monitor_vdev_id, ret);
1002 ar->free_vdev_map |= 1LL << ar->monitor_vdev_id;
1004 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n",
1005 ar->monitor_vdev_id);
1009 static int ath10k_monitor_start(struct ath10k *ar)
1013 lockdep_assert_held(&ar->conf_mutex);
1015 ret = ath10k_monitor_vdev_create(ar);
1017 ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret);
1021 ret = ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id);
1023 ath10k_warn(ar, "failed to start monitor vdev: %d\n", ret);
1024 ath10k_monitor_vdev_delete(ar);
1028 ar->monitor_started = true;
1029 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor started\n");
1034 static int ath10k_monitor_stop(struct ath10k *ar)
1038 lockdep_assert_held(&ar->conf_mutex);
1040 ret = ath10k_monitor_vdev_stop(ar);
1042 ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret);
1046 ret = ath10k_monitor_vdev_delete(ar);
1048 ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret);
1052 ar->monitor_started = false;
1053 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n");
1058 static bool ath10k_mac_monitor_vdev_is_needed(struct ath10k *ar)
1062 /* At least one chanctx is required to derive a channel to start
1065 num_ctx = ath10k_mac_num_chanctxs(ar);
1069 /* If there's already an existing special monitor interface then don't
1070 * bother creating another monitor vdev.
1072 if (ar->monitor_arvif)
1075 return ar->monitor ||
1076 ar->filter_flags & FIF_OTHER_BSS ||
1077 test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1080 static bool ath10k_mac_monitor_vdev_is_allowed(struct ath10k *ar)
1084 num_ctx = ath10k_mac_num_chanctxs(ar);
1086 /* FIXME: Current interface combinations and cfg80211/mac80211 code
1087 * shouldn't allow this but make sure to prevent handling the following
1088 * case anyway since multi-channel DFS hasn't been tested at all.
1090 if (test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags) && num_ctx > 1)
1096 static int ath10k_monitor_recalc(struct ath10k *ar)
1102 lockdep_assert_held(&ar->conf_mutex);
1104 needed = ath10k_mac_monitor_vdev_is_needed(ar);
1105 allowed = ath10k_mac_monitor_vdev_is_allowed(ar);
1107 ath10k_dbg(ar, ATH10K_DBG_MAC,
1108 "mac monitor recalc started? %d needed? %d allowed? %d\n",
1109 ar->monitor_started, needed, allowed);
1111 if (WARN_ON(needed && !allowed)) {
1112 if (ar->monitor_started) {
1113 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopping disallowed monitor\n");
1115 ret = ath10k_monitor_stop(ar);
1117 ath10k_warn(ar, "failed to stop disallowed monitor: %d\n",
1125 if (needed == ar->monitor_started)
1129 return ath10k_monitor_start(ar);
1131 return ath10k_monitor_stop(ar);
1134 static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif)
1136 struct ath10k *ar = arvif->ar;
1137 u32 vdev_param, rts_cts = 0;
1139 lockdep_assert_held(&ar->conf_mutex);
1141 vdev_param = ar->wmi.vdev_param->enable_rtscts;
1143 rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET);
1145 if (arvif->num_legacy_stations > 0)
1146 rts_cts |= SM(WMI_RTSCTS_ACROSS_SW_RETRIES,
1147 WMI_RTSCTS_PROFILE);
1149 rts_cts |= SM(WMI_RTSCTS_FOR_SECOND_RATESERIES,
1150 WMI_RTSCTS_PROFILE);
1152 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
1156 static int ath10k_start_cac(struct ath10k *ar)
1160 lockdep_assert_held(&ar->conf_mutex);
1162 set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1164 ret = ath10k_monitor_recalc(ar);
1166 ath10k_warn(ar, "failed to start monitor (cac): %d\n", ret);
1167 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1171 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac start monitor vdev %d\n",
1172 ar->monitor_vdev_id);
1177 static int ath10k_stop_cac(struct ath10k *ar)
1179 lockdep_assert_held(&ar->conf_mutex);
1181 /* CAC is not running - do nothing */
1182 if (!test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags))
1185 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1186 ath10k_monitor_stop(ar);
1188 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac finished\n");
1193 static void ath10k_mac_has_radar_iter(struct ieee80211_hw *hw,
1194 struct ieee80211_chanctx_conf *conf,
1199 if (!*ret && conf->radar_enabled)
1203 static bool ath10k_mac_has_radar_enabled(struct ath10k *ar)
1205 bool has_radar = false;
1207 ieee80211_iter_chan_contexts_atomic(ar->hw,
1208 ath10k_mac_has_radar_iter,
1214 static void ath10k_recalc_radar_detection(struct ath10k *ar)
1218 lockdep_assert_held(&ar->conf_mutex);
1220 ath10k_stop_cac(ar);
1222 if (!ath10k_mac_has_radar_enabled(ar))
1225 if (ar->num_started_vdevs > 0)
1228 ret = ath10k_start_cac(ar);
1231 * Not possible to start CAC on current channel so starting
1232 * radiation is not allowed, make this channel DFS_UNAVAILABLE
1233 * by indicating that radar was detected.
1235 ath10k_warn(ar, "failed to start CAC: %d\n", ret);
1236 ieee80211_radar_detected(ar->hw);
1240 static int ath10k_vdev_stop(struct ath10k_vif *arvif)
1242 struct ath10k *ar = arvif->ar;
1245 lockdep_assert_held(&ar->conf_mutex);
1247 reinit_completion(&ar->vdev_setup_done);
1249 ret = ath10k_wmi_vdev_stop(ar, arvif->vdev_id);
1251 ath10k_warn(ar, "failed to stop WMI vdev %i: %d\n",
1252 arvif->vdev_id, ret);
1256 ret = ath10k_vdev_setup_sync(ar);
1258 ath10k_warn(ar, "failed to syncronise setup for vdev %i: %d\n",
1259 arvif->vdev_id, ret);
1263 WARN_ON(ar->num_started_vdevs == 0);
1265 if (ar->num_started_vdevs != 0) {
1266 ar->num_started_vdevs--;
1267 ath10k_recalc_radar_detection(ar);
1273 static int ath10k_vdev_start_restart(struct ath10k_vif *arvif,
1274 const struct cfg80211_chan_def *chandef,
1277 struct ath10k *ar = arvif->ar;
1278 struct wmi_vdev_start_request_arg arg = {};
1281 lockdep_assert_held(&ar->conf_mutex);
1283 reinit_completion(&ar->vdev_setup_done);
1285 arg.vdev_id = arvif->vdev_id;
1286 arg.dtim_period = arvif->dtim_period;
1287 arg.bcn_intval = arvif->beacon_interval;
1289 arg.channel.freq = chandef->chan->center_freq;
1290 arg.channel.band_center_freq1 = chandef->center_freq1;
1291 arg.channel.mode = chan_to_phymode(chandef);
1293 arg.channel.min_power = 0;
1294 arg.channel.max_power = chandef->chan->max_power * 2;
1295 arg.channel.max_reg_power = chandef->chan->max_reg_power * 2;
1296 arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2;
1298 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
1299 arg.ssid = arvif->u.ap.ssid;
1300 arg.ssid_len = arvif->u.ap.ssid_len;
1301 arg.hidden_ssid = arvif->u.ap.hidden_ssid;
1303 /* For now allow DFS for AP mode */
1304 arg.channel.chan_radar =
1305 !!(chandef->chan->flags & IEEE80211_CHAN_RADAR);
1306 } else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
1307 arg.ssid = arvif->vif->bss_conf.ssid;
1308 arg.ssid_len = arvif->vif->bss_conf.ssid_len;
1311 ath10k_dbg(ar, ATH10K_DBG_MAC,
1312 "mac vdev %d start center_freq %d phymode %s\n",
1313 arg.vdev_id, arg.channel.freq,
1314 ath10k_wmi_phymode_str(arg.channel.mode));
1317 ret = ath10k_wmi_vdev_restart(ar, &arg);
1319 ret = ath10k_wmi_vdev_start(ar, &arg);
1322 ath10k_warn(ar, "failed to start WMI vdev %i: %d\n",
1327 ret = ath10k_vdev_setup_sync(ar);
1330 "failed to synchronize setup for vdev %i restart %d: %d\n",
1331 arg.vdev_id, restart, ret);
1335 ar->num_started_vdevs++;
1336 ath10k_recalc_radar_detection(ar);
1341 static int ath10k_vdev_start(struct ath10k_vif *arvif,
1342 const struct cfg80211_chan_def *def)
1344 return ath10k_vdev_start_restart(arvif, def, false);
1347 static int ath10k_vdev_restart(struct ath10k_vif *arvif,
1348 const struct cfg80211_chan_def *def)
1350 return ath10k_vdev_start_restart(arvif, def, true);
1353 static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif,
1354 struct sk_buff *bcn)
1356 struct ath10k *ar = arvif->ar;
1357 struct ieee80211_mgmt *mgmt;
1361 if (arvif->vif->type != NL80211_IFTYPE_AP || !arvif->vif->p2p)
1364 mgmt = (void *)bcn->data;
1365 p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1366 mgmt->u.beacon.variable,
1367 bcn->len - (mgmt->u.beacon.variable -
1372 ret = ath10k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie);
1374 ath10k_warn(ar, "failed to submit p2p go bcn ie for vdev %i: %d\n",
1375 arvif->vdev_id, ret);
1382 static int ath10k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui,
1383 u8 oui_type, size_t ie_offset)
1390 if (WARN_ON(skb->len < ie_offset))
1393 ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type,
1394 skb->data + ie_offset,
1395 skb->len - ie_offset);
1400 end = skb->data + skb->len;
1403 if (WARN_ON(next > end))
1406 memmove(ie, next, end - next);
1407 skb_trim(skb, skb->len - len);
1412 static int ath10k_mac_setup_bcn_tmpl(struct ath10k_vif *arvif)
1414 struct ath10k *ar = arvif->ar;
1415 struct ieee80211_hw *hw = ar->hw;
1416 struct ieee80211_vif *vif = arvif->vif;
1417 struct ieee80211_mutable_offsets offs = {};
1418 struct sk_buff *bcn;
1421 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1424 if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
1425 arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
1428 bcn = ieee80211_beacon_get_template(hw, vif, &offs);
1430 ath10k_warn(ar, "failed to get beacon template from mac80211\n");
1434 ret = ath10k_mac_setup_bcn_p2p_ie(arvif, bcn);
1436 ath10k_warn(ar, "failed to setup p2p go bcn ie: %d\n", ret);
1441 /* P2P IE is inserted by firmware automatically (as configured above)
1442 * so remove it from the base beacon template to avoid duplicate P2P
1443 * IEs in beacon frames.
1445 ath10k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1446 offsetof(struct ieee80211_mgmt,
1447 u.beacon.variable));
1449 ret = ath10k_wmi_bcn_tmpl(ar, arvif->vdev_id, offs.tim_offset, bcn, 0,
1454 ath10k_warn(ar, "failed to submit beacon template command: %d\n",
1462 static int ath10k_mac_setup_prb_tmpl(struct ath10k_vif *arvif)
1464 struct ath10k *ar = arvif->ar;
1465 struct ieee80211_hw *hw = ar->hw;
1466 struct ieee80211_vif *vif = arvif->vif;
1467 struct sk_buff *prb;
1470 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1473 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1476 prb = ieee80211_proberesp_get(hw, vif);
1478 ath10k_warn(ar, "failed to get probe resp template from mac80211\n");
1482 ret = ath10k_wmi_prb_tmpl(ar, arvif->vdev_id, prb);
1486 ath10k_warn(ar, "failed to submit probe resp template command: %d\n",
1494 static int ath10k_mac_vif_fix_hidden_ssid(struct ath10k_vif *arvif)
1496 struct ath10k *ar = arvif->ar;
1497 struct cfg80211_chan_def def;
1500 /* When originally vdev is started during assign_vif_chanctx() some
1501 * information is missing, notably SSID. Firmware revisions with beacon
1502 * offloading require the SSID to be provided during vdev (re)start to
1503 * handle hidden SSID properly.
1505 * Vdev restart must be done after vdev has been both started and
1506 * upped. Otherwise some firmware revisions (at least 10.2) fail to
1507 * deliver vdev restart response event causing timeouts during vdev
1508 * syncing in ath10k.
1510 * Note: The vdev down/up and template reinstallation could be skipped
1511 * since only wmi-tlv firmware are known to have beacon offload and
1512 * wmi-tlv doesn't seem to misbehave like 10.2 wrt vdev restart
1513 * response delivery. It's probably more robust to keep it as is.
1515 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1518 if (WARN_ON(!arvif->is_started))
1521 if (WARN_ON(!arvif->is_up))
1524 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
1527 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
1529 ath10k_warn(ar, "failed to bring down ap vdev %i: %d\n",
1530 arvif->vdev_id, ret);
1534 /* Vdev down reset beacon & presp templates. Reinstall them. Otherwise
1535 * firmware will crash upon vdev up.
1538 ret = ath10k_mac_setup_bcn_tmpl(arvif);
1540 ath10k_warn(ar, "failed to update beacon template: %d\n", ret);
1544 ret = ath10k_mac_setup_prb_tmpl(arvif);
1546 ath10k_warn(ar, "failed to update presp template: %d\n", ret);
1550 ret = ath10k_vdev_restart(arvif, &def);
1552 ath10k_warn(ar, "failed to restart ap vdev %i: %d\n",
1553 arvif->vdev_id, ret);
1557 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
1560 ath10k_warn(ar, "failed to bring up ap vdev %i: %d\n",
1561 arvif->vdev_id, ret);
1568 static void ath10k_control_beaconing(struct ath10k_vif *arvif,
1569 struct ieee80211_bss_conf *info)
1571 struct ath10k *ar = arvif->ar;
1574 lockdep_assert_held(&arvif->ar->conf_mutex);
1576 if (!info->enable_beacon) {
1577 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
1579 ath10k_warn(ar, "failed to down vdev_id %i: %d\n",
1580 arvif->vdev_id, ret);
1582 arvif->is_up = false;
1584 spin_lock_bh(&arvif->ar->data_lock);
1585 ath10k_mac_vif_beacon_free(arvif);
1586 spin_unlock_bh(&arvif->ar->data_lock);
1591 arvif->tx_seq_no = 0x1000;
1594 ether_addr_copy(arvif->bssid, info->bssid);
1596 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
1599 ath10k_warn(ar, "failed to bring up vdev %d: %i\n",
1600 arvif->vdev_id, ret);
1604 arvif->is_up = true;
1606 ret = ath10k_mac_vif_fix_hidden_ssid(arvif);
1608 ath10k_warn(ar, "failed to fix hidden ssid for vdev %i, expect trouble: %d\n",
1609 arvif->vdev_id, ret);
1613 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id);
1616 static void ath10k_control_ibss(struct ath10k_vif *arvif,
1617 struct ieee80211_bss_conf *info,
1618 const u8 self_peer[ETH_ALEN])
1620 struct ath10k *ar = arvif->ar;
1624 lockdep_assert_held(&arvif->ar->conf_mutex);
1626 if (!info->ibss_joined) {
1627 if (is_zero_ether_addr(arvif->bssid))
1630 eth_zero_addr(arvif->bssid);
1635 vdev_param = arvif->ar->wmi.vdev_param->atim_window;
1636 ret = ath10k_wmi_vdev_set_param(arvif->ar, arvif->vdev_id, vdev_param,
1637 ATH10K_DEFAULT_ATIM);
1639 ath10k_warn(ar, "failed to set IBSS ATIM for vdev %d: %d\n",
1640 arvif->vdev_id, ret);
1643 static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif)
1645 struct ath10k *ar = arvif->ar;
1650 lockdep_assert_held(&arvif->ar->conf_mutex);
1652 if (arvif->u.sta.uapsd)
1653 value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER;
1655 value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;
1657 param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;
1658 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value);
1660 ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n",
1661 value, arvif->vdev_id, ret);
1668 static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif)
1670 struct ath10k *ar = arvif->ar;
1675 lockdep_assert_held(&arvif->ar->conf_mutex);
1677 if (arvif->u.sta.uapsd)
1678 value = WMI_STA_PS_PSPOLL_COUNT_UAPSD;
1680 value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;
1682 param = WMI_STA_PS_PARAM_PSPOLL_COUNT;
1683 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
1686 ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n",
1687 value, arvif->vdev_id, ret);
1694 static int ath10k_mac_num_vifs_started(struct ath10k *ar)
1696 struct ath10k_vif *arvif;
1699 lockdep_assert_held(&ar->conf_mutex);
1701 list_for_each_entry(arvif, &ar->arvifs, list)
1702 if (arvif->is_started)
1708 static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif)
1710 struct ath10k *ar = arvif->ar;
1711 struct ieee80211_vif *vif = arvif->vif;
1712 struct ieee80211_conf *conf = &ar->hw->conf;
1713 enum wmi_sta_powersave_param param;
1714 enum wmi_sta_ps_mode psmode;
1719 lockdep_assert_held(&arvif->ar->conf_mutex);
1721 if (arvif->vif->type != NL80211_IFTYPE_STATION)
1724 enable_ps = arvif->ps;
1726 if (enable_ps && ath10k_mac_num_vifs_started(ar) > 1 &&
1727 !test_bit(ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT,
1729 ath10k_warn(ar, "refusing to enable ps on vdev %i: not supported by fw\n",
1734 if (!arvif->is_started) {
1735 /* mac80211 can update vif powersave state while disconnected.
1736 * Firmware doesn't behave nicely and consumes more power than
1737 * necessary if PS is disabled on a non-started vdev. Hence
1738 * force-enable PS for non-running vdevs.
1740 psmode = WMI_STA_PS_MODE_ENABLED;
1741 } else if (enable_ps) {
1742 psmode = WMI_STA_PS_MODE_ENABLED;
1743 param = WMI_STA_PS_PARAM_INACTIVITY_TIME;
1745 ps_timeout = conf->dynamic_ps_timeout;
1746 if (ps_timeout == 0) {
1747 /* Firmware doesn't like 0 */
1748 ps_timeout = ieee80211_tu_to_usec(
1749 vif->bss_conf.beacon_int) / 1000;
1752 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param,
1755 ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n",
1756 arvif->vdev_id, ret);
1760 psmode = WMI_STA_PS_MODE_DISABLED;
1763 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d psmode %s\n",
1764 arvif->vdev_id, psmode ? "enable" : "disable");
1766 ret = ath10k_wmi_set_psmode(ar, arvif->vdev_id, psmode);
1768 ath10k_warn(ar, "failed to set PS Mode %d for vdev %d: %d\n",
1769 psmode, arvif->vdev_id, ret);
1776 static int ath10k_mac_vif_disable_keepalive(struct ath10k_vif *arvif)
1778 struct ath10k *ar = arvif->ar;
1779 struct wmi_sta_keepalive_arg arg = {};
1782 lockdep_assert_held(&arvif->ar->conf_mutex);
1784 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
1787 if (!test_bit(WMI_SERVICE_STA_KEEP_ALIVE, ar->wmi.svc_map))
1790 /* Some firmware revisions have a bug and ignore the `enabled` field.
1791 * Instead use the interval to disable the keepalive.
1793 arg.vdev_id = arvif->vdev_id;
1795 arg.method = WMI_STA_KEEPALIVE_METHOD_NULL_FRAME;
1796 arg.interval = WMI_STA_KEEPALIVE_INTERVAL_DISABLE;
1798 ret = ath10k_wmi_sta_keepalive(ar, &arg);
1800 ath10k_warn(ar, "failed to submit keepalive on vdev %i: %d\n",
1801 arvif->vdev_id, ret);
1808 static void ath10k_mac_vif_ap_csa_count_down(struct ath10k_vif *arvif)
1810 struct ath10k *ar = arvif->ar;
1811 struct ieee80211_vif *vif = arvif->vif;
1814 lockdep_assert_held(&arvif->ar->conf_mutex);
1816 if (WARN_ON(!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)))
1819 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1822 if (!vif->csa_active)
1828 if (!ieee80211_csa_is_complete(vif)) {
1829 ieee80211_csa_update_counter(vif);
1831 ret = ath10k_mac_setup_bcn_tmpl(arvif);
1833 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
1836 ret = ath10k_mac_setup_prb_tmpl(arvif);
1838 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
1841 ieee80211_csa_finish(vif);
1845 static void ath10k_mac_vif_ap_csa_work(struct work_struct *work)
1847 struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
1849 struct ath10k *ar = arvif->ar;
1851 mutex_lock(&ar->conf_mutex);
1852 ath10k_mac_vif_ap_csa_count_down(arvif);
1853 mutex_unlock(&ar->conf_mutex);
1856 static void ath10k_mac_handle_beacon_iter(void *data, u8 *mac,
1857 struct ieee80211_vif *vif)
1859 struct sk_buff *skb = data;
1860 struct ieee80211_mgmt *mgmt = (void *)skb->data;
1861 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1863 if (vif->type != NL80211_IFTYPE_STATION)
1866 if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid))
1869 cancel_delayed_work(&arvif->connection_loss_work);
1872 void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb)
1874 ieee80211_iterate_active_interfaces_atomic(ar->hw,
1875 IEEE80211_IFACE_ITER_NORMAL,
1876 ath10k_mac_handle_beacon_iter,
1880 static void ath10k_mac_handle_beacon_miss_iter(void *data, u8 *mac,
1881 struct ieee80211_vif *vif)
1883 u32 *vdev_id = data;
1884 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1885 struct ath10k *ar = arvif->ar;
1886 struct ieee80211_hw *hw = ar->hw;
1888 if (arvif->vdev_id != *vdev_id)
1894 ieee80211_beacon_loss(vif);
1896 /* Firmware doesn't report beacon loss events repeatedly. If AP probe
1897 * (done by mac80211) succeeds but beacons do not resume then it
1898 * doesn't make sense to continue operation. Queue connection loss work
1899 * which can be cancelled when beacon is received.
1901 ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work,
1902 ATH10K_CONNECTION_LOSS_HZ);
1905 void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id)
1907 ieee80211_iterate_active_interfaces_atomic(ar->hw,
1908 IEEE80211_IFACE_ITER_NORMAL,
1909 ath10k_mac_handle_beacon_miss_iter,
1913 static void ath10k_mac_vif_sta_connection_loss_work(struct work_struct *work)
1915 struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
1916 connection_loss_work.work);
1917 struct ieee80211_vif *vif = arvif->vif;
1922 ieee80211_connection_loss(vif);
1925 /**********************/
1926 /* Station management */
1927 /**********************/
1929 static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar,
1930 struct ieee80211_vif *vif)
1932 /* Some firmware revisions have unstable STA powersave when listen
1933 * interval is set too high (e.g. 5). The symptoms are firmware doesn't
1934 * generate NullFunc frames properly even if buffered frames have been
1935 * indicated in Beacon TIM. Firmware would seldom wake up to pull
1936 * buffered frames. Often pinging the device from AP would simply fail.
1938 * As a workaround set it to 1.
1940 if (vif->type == NL80211_IFTYPE_STATION)
1943 return ar->hw->conf.listen_interval;
1946 static void ath10k_peer_assoc_h_basic(struct ath10k *ar,
1947 struct ieee80211_vif *vif,
1948 struct ieee80211_sta *sta,
1949 struct wmi_peer_assoc_complete_arg *arg)
1951 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1954 lockdep_assert_held(&ar->conf_mutex);
1956 if (vif->type == NL80211_IFTYPE_STATION)
1957 aid = vif->bss_conf.aid;
1961 ether_addr_copy(arg->addr, sta->addr);
1962 arg->vdev_id = arvif->vdev_id;
1963 arg->peer_aid = aid;
1964 arg->peer_flags |= arvif->ar->wmi.peer_flags->auth;
1965 arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif);
1966 arg->peer_num_spatial_streams = 1;
1967 arg->peer_caps = vif->bss_conf.assoc_capability;
1970 static void ath10k_peer_assoc_h_crypto(struct ath10k *ar,
1971 struct ieee80211_vif *vif,
1972 struct ieee80211_sta *sta,
1973 struct wmi_peer_assoc_complete_arg *arg)
1975 struct ieee80211_bss_conf *info = &vif->bss_conf;
1976 struct cfg80211_chan_def def;
1977 struct cfg80211_bss *bss;
1978 const u8 *rsnie = NULL;
1979 const u8 *wpaie = NULL;
1981 lockdep_assert_held(&ar->conf_mutex);
1983 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
1986 bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0,
1987 IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
1989 const struct cfg80211_bss_ies *ies;
1992 rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN);
1994 ies = rcu_dereference(bss->ies);
1996 wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
1997 WLAN_OUI_TYPE_MICROSOFT_WPA,
2001 cfg80211_put_bss(ar->hw->wiphy, bss);
2004 /* FIXME: base on RSN IE/WPA IE is a correct idea? */
2005 if (rsnie || wpaie) {
2006 ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: rsn ie found\n", __func__);
2007 arg->peer_flags |= ar->wmi.peer_flags->need_ptk_4_way;
2011 ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: wpa ie found\n", __func__);
2012 arg->peer_flags |= ar->wmi.peer_flags->need_gtk_2_way;
2016 test_bit(ATH10K_FW_FEATURE_MFP_SUPPORT, ar->fw_features)) {
2017 arg->peer_flags |= ar->wmi.peer_flags->pmf;
2021 static void ath10k_peer_assoc_h_rates(struct ath10k *ar,
2022 struct ieee80211_vif *vif,
2023 struct ieee80211_sta *sta,
2024 struct wmi_peer_assoc_complete_arg *arg)
2026 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2027 struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates;
2028 struct cfg80211_chan_def def;
2029 const struct ieee80211_supported_band *sband;
2030 const struct ieee80211_rate *rates;
2031 enum ieee80211_band band;
2036 lockdep_assert_held(&ar->conf_mutex);
2038 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2041 band = def.chan->band;
2042 sband = ar->hw->wiphy->bands[band];
2043 ratemask = sta->supp_rates[band];
2044 ratemask &= arvif->bitrate_mask.control[band].legacy;
2045 rates = sband->bitrates;
2047 rateset->num_rates = 0;
2049 for (i = 0; i < 32; i++, ratemask >>= 1, rates++) {
2050 if (!(ratemask & 1))
2053 rate = ath10k_mac_bitrate_to_rate(rates->bitrate);
2054 rateset->rates[rateset->num_rates] = rate;
2055 rateset->num_rates++;
2060 ath10k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
2064 for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++)
2065 if (ht_mcs_mask[nss])
2072 ath10k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
2076 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++)
2077 if (vht_mcs_mask[nss])
2083 static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
2084 struct ieee80211_vif *vif,
2085 struct ieee80211_sta *sta,
2086 struct wmi_peer_assoc_complete_arg *arg)
2088 const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
2089 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2090 struct cfg80211_chan_def def;
2091 enum ieee80211_band band;
2092 const u8 *ht_mcs_mask;
2093 const u16 *vht_mcs_mask;
2098 lockdep_assert_held(&ar->conf_mutex);
2100 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2103 if (!ht_cap->ht_supported)
2106 band = def.chan->band;
2107 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2108 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2110 if (ath10k_peer_assoc_h_ht_masked(ht_mcs_mask) &&
2111 ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
2114 arg->peer_flags |= ar->wmi.peer_flags->ht;
2115 arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2116 ht_cap->ampdu_factor)) - 1;
2118 arg->peer_mpdu_density =
2119 ath10k_parse_mpdudensity(ht_cap->ampdu_density);
2121 arg->peer_ht_caps = ht_cap->cap;
2122 arg->peer_rate_caps |= WMI_RC_HT_FLAG;
2124 if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING)
2125 arg->peer_flags |= ar->wmi.peer_flags->ldbc;
2127 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) {
2128 arg->peer_flags |= ar->wmi.peer_flags->bw40;
2129 arg->peer_rate_caps |= WMI_RC_CW40_FLAG;
2132 if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) {
2133 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
2134 arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
2136 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40)
2137 arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
2140 if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) {
2141 arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG;
2142 arg->peer_flags |= ar->wmi.peer_flags->stbc;
2145 if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) {
2146 stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC;
2147 stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT;
2148 stbc = stbc << WMI_RC_RX_STBC_FLAG_S;
2149 arg->peer_rate_caps |= stbc;
2150 arg->peer_flags |= ar->wmi.peer_flags->stbc;
2153 if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2])
2154 arg->peer_rate_caps |= WMI_RC_TS_FLAG;
2155 else if (ht_cap->mcs.rx_mask[1])
2156 arg->peer_rate_caps |= WMI_RC_DS_FLAG;
2158 for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++)
2159 if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) &&
2160 (ht_mcs_mask[i / 8] & BIT(i % 8))) {
2161 max_nss = (i / 8) + 1;
2162 arg->peer_ht_rates.rates[n++] = i;
2166 * This is a workaround for HT-enabled STAs which break the spec
2167 * and have no HT capabilities RX mask (no HT RX MCS map).
2169 * As per spec, in section 20.3.5 Modulation and coding scheme (MCS),
2170 * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs.
2172 * Firmware asserts if such situation occurs.
2175 arg->peer_ht_rates.num_rates = 8;
2176 for (i = 0; i < arg->peer_ht_rates.num_rates; i++)
2177 arg->peer_ht_rates.rates[i] = i;
2179 arg->peer_ht_rates.num_rates = n;
2180 arg->peer_num_spatial_streams = min(sta->rx_nss, max_nss);
2183 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n",
2185 arg->peer_ht_rates.num_rates,
2186 arg->peer_num_spatial_streams);
2189 static int ath10k_peer_assoc_qos_ap(struct ath10k *ar,
2190 struct ath10k_vif *arvif,
2191 struct ieee80211_sta *sta)
2197 lockdep_assert_held(&ar->conf_mutex);
2199 if (sta->wme && sta->uapsd_queues) {
2200 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n",
2201 sta->uapsd_queues, sta->max_sp);
2203 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
2204 uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN |
2205 WMI_AP_PS_UAPSD_AC3_TRIGGER_EN;
2206 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
2207 uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN |
2208 WMI_AP_PS_UAPSD_AC2_TRIGGER_EN;
2209 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
2210 uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN |
2211 WMI_AP_PS_UAPSD_AC1_TRIGGER_EN;
2212 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
2213 uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN |
2214 WMI_AP_PS_UAPSD_AC0_TRIGGER_EN;
2216 if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP)
2217 max_sp = sta->max_sp;
2219 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
2221 WMI_AP_PS_PEER_PARAM_UAPSD,
2224 ath10k_warn(ar, "failed to set ap ps peer param uapsd for vdev %i: %d\n",
2225 arvif->vdev_id, ret);
2229 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
2231 WMI_AP_PS_PEER_PARAM_MAX_SP,
2234 ath10k_warn(ar, "failed to set ap ps peer param max sp for vdev %i: %d\n",
2235 arvif->vdev_id, ret);
2239 /* TODO setup this based on STA listen interval and
2240 beacon interval. Currently we don't know
2241 sta->listen_interval - mac80211 patch required.
2242 Currently use 10 seconds */
2243 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr,
2244 WMI_AP_PS_PEER_PARAM_AGEOUT_TIME,
2247 ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n",
2248 arvif->vdev_id, ret);
2257 ath10k_peer_assoc_h_vht_limit(u16 tx_mcs_set,
2258 const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX])
2265 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
2266 mcs_map = ath10k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) &
2270 idx_limit = fls(mcs_map) - 1;
2274 switch (idx_limit) {
2275 case 0: /* fall through */
2276 case 1: /* fall through */
2277 case 2: /* fall through */
2278 case 3: /* fall through */
2279 case 4: /* fall through */
2280 case 5: /* fall through */
2281 case 6: /* fall through */
2283 /* see ath10k_mac_can_set_bitrate_mask() */
2287 mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED;
2290 mcs = IEEE80211_VHT_MCS_SUPPORT_0_7;
2293 mcs = IEEE80211_VHT_MCS_SUPPORT_0_8;
2296 mcs = IEEE80211_VHT_MCS_SUPPORT_0_9;
2300 tx_mcs_set &= ~(0x3 << (nss * 2));
2301 tx_mcs_set |= mcs << (nss * 2);
2307 static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
2308 struct ieee80211_vif *vif,
2309 struct ieee80211_sta *sta,
2310 struct wmi_peer_assoc_complete_arg *arg)
2312 const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
2313 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2314 struct cfg80211_chan_def def;
2315 enum ieee80211_band band;
2316 const u16 *vht_mcs_mask;
2319 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2322 if (!vht_cap->vht_supported)
2325 band = def.chan->band;
2326 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2328 if (ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
2331 arg->peer_flags |= ar->wmi.peer_flags->vht;
2333 if (def.chan->band == IEEE80211_BAND_2GHZ)
2334 arg->peer_flags |= ar->wmi.peer_flags->vht_2g;
2336 arg->peer_vht_caps = vht_cap->cap;
2338 ampdu_factor = (vht_cap->cap &
2339 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
2340 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
2342 /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to
2343 * zero in VHT IE. Using it would result in degraded throughput.
2344 * arg->peer_max_mpdu at this point contains HT max_mpdu so keep
2345 * it if VHT max_mpdu is smaller. */
2346 arg->peer_max_mpdu = max(arg->peer_max_mpdu,
2347 (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2348 ampdu_factor)) - 1);
2350 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
2351 arg->peer_flags |= ar->wmi.peer_flags->bw80;
2353 arg->peer_vht_rates.rx_max_rate =
2354 __le16_to_cpu(vht_cap->vht_mcs.rx_highest);
2355 arg->peer_vht_rates.rx_mcs_set =
2356 __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);
2357 arg->peer_vht_rates.tx_max_rate =
2358 __le16_to_cpu(vht_cap->vht_mcs.tx_highest);
2359 arg->peer_vht_rates.tx_mcs_set = ath10k_peer_assoc_h_vht_limit(
2360 __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask);
2362 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n",
2363 sta->addr, arg->peer_max_mpdu, arg->peer_flags);
2366 static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
2367 struct ieee80211_vif *vif,
2368 struct ieee80211_sta *sta,
2369 struct wmi_peer_assoc_complete_arg *arg)
2371 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2373 switch (arvif->vdev_type) {
2374 case WMI_VDEV_TYPE_AP:
2376 arg->peer_flags |= arvif->ar->wmi.peer_flags->qos;
2378 if (sta->wme && sta->uapsd_queues) {
2379 arg->peer_flags |= arvif->ar->wmi.peer_flags->apsd;
2380 arg->peer_rate_caps |= WMI_RC_UAPSD_FLAG;
2383 case WMI_VDEV_TYPE_STA:
2384 if (vif->bss_conf.qos)
2385 arg->peer_flags |= arvif->ar->wmi.peer_flags->qos;
2387 case WMI_VDEV_TYPE_IBSS:
2389 arg->peer_flags |= arvif->ar->wmi.peer_flags->qos;
2395 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n",
2396 sta->addr, !!(arg->peer_flags &
2397 arvif->ar->wmi.peer_flags->qos));
2400 static bool ath10k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta)
2402 return sta->supp_rates[IEEE80211_BAND_2GHZ] >>
2403 ATH10K_MAC_FIRST_OFDM_RATE_IDX;
2406 static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
2407 struct ieee80211_vif *vif,
2408 struct ieee80211_sta *sta,
2409 struct wmi_peer_assoc_complete_arg *arg)
2411 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2412 struct cfg80211_chan_def def;
2413 enum ieee80211_band band;
2414 const u8 *ht_mcs_mask;
2415 const u16 *vht_mcs_mask;
2416 enum wmi_phy_mode phymode = MODE_UNKNOWN;
2418 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2421 band = def.chan->band;
2422 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2423 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2426 case IEEE80211_BAND_2GHZ:
2427 if (sta->vht_cap.vht_supported &&
2428 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
2429 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2430 phymode = MODE_11AC_VHT40;
2432 phymode = MODE_11AC_VHT20;
2433 } else if (sta->ht_cap.ht_supported &&
2434 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2435 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2436 phymode = MODE_11NG_HT40;
2438 phymode = MODE_11NG_HT20;
2439 } else if (ath10k_mac_sta_has_ofdm_only(sta)) {
2446 case IEEE80211_BAND_5GHZ:
2450 if (sta->vht_cap.vht_supported &&
2451 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
2452 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
2453 phymode = MODE_11AC_VHT80;
2454 else if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2455 phymode = MODE_11AC_VHT40;
2456 else if (sta->bandwidth == IEEE80211_STA_RX_BW_20)
2457 phymode = MODE_11AC_VHT20;
2458 } else if (sta->ht_cap.ht_supported &&
2459 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2460 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40)
2461 phymode = MODE_11NA_HT40;
2463 phymode = MODE_11NA_HT20;
2473 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM phymode %s\n",
2474 sta->addr, ath10k_wmi_phymode_str(phymode));
2476 arg->peer_phymode = phymode;
2477 WARN_ON(phymode == MODE_UNKNOWN);
2480 static int ath10k_peer_assoc_prepare(struct ath10k *ar,
2481 struct ieee80211_vif *vif,
2482 struct ieee80211_sta *sta,
2483 struct wmi_peer_assoc_complete_arg *arg)
2485 lockdep_assert_held(&ar->conf_mutex);
2487 memset(arg, 0, sizeof(*arg));
2489 ath10k_peer_assoc_h_basic(ar, vif, sta, arg);
2490 ath10k_peer_assoc_h_crypto(ar, vif, sta, arg);
2491 ath10k_peer_assoc_h_rates(ar, vif, sta, arg);
2492 ath10k_peer_assoc_h_ht(ar, vif, sta, arg);
2493 ath10k_peer_assoc_h_vht(ar, vif, sta, arg);
2494 ath10k_peer_assoc_h_qos(ar, vif, sta, arg);
2495 ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
2500 static const u32 ath10k_smps_map[] = {
2501 [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC,
2502 [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC,
2503 [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE,
2504 [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE,
2507 static int ath10k_setup_peer_smps(struct ath10k *ar, struct ath10k_vif *arvif,
2509 const struct ieee80211_sta_ht_cap *ht_cap)
2513 if (!ht_cap->ht_supported)
2516 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;
2517 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;
2519 if (smps >= ARRAY_SIZE(ath10k_smps_map))
2522 return ath10k_wmi_peer_set_param(ar, arvif->vdev_id, addr,
2523 WMI_PEER_SMPS_STATE,
2524 ath10k_smps_map[smps]);
2527 static int ath10k_mac_vif_recalc_txbf(struct ath10k *ar,
2528 struct ieee80211_vif *vif,
2529 struct ieee80211_sta_vht_cap vht_cap)
2531 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2536 if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_AFTER_ASSOC)
2539 if (!(ar->vht_cap_info &
2540 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
2541 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
2542 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
2543 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)))
2546 param = ar->wmi.vdev_param->txbf;
2549 if (WARN_ON(param == WMI_VDEV_PARAM_UNSUPPORTED))
2552 /* The following logic is correct. If a remote STA advertises support
2553 * for being a beamformer then we should enable us being a beamformee.
2556 if (ar->vht_cap_info &
2557 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
2558 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
2559 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
2560 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
2562 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
2563 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE;
2566 if (ar->vht_cap_info &
2567 (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
2568 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
2569 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
2570 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
2572 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
2573 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER;
2576 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFEE)
2577 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
2579 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFER)
2580 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
2582 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, value);
2584 ath10k_warn(ar, "failed to submit vdev param txbf 0x%x: %d\n",
2592 /* can be called only in mac80211 callbacks due to `key_count` usage */
2593 static void ath10k_bss_assoc(struct ieee80211_hw *hw,
2594 struct ieee80211_vif *vif,
2595 struct ieee80211_bss_conf *bss_conf)
2597 struct ath10k *ar = hw->priv;
2598 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2599 struct ieee80211_sta_ht_cap ht_cap;
2600 struct ieee80211_sta_vht_cap vht_cap;
2601 struct wmi_peer_assoc_complete_arg peer_arg;
2602 struct ieee80211_sta *ap_sta;
2605 lockdep_assert_held(&ar->conf_mutex);
2607 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n",
2608 arvif->vdev_id, arvif->bssid, arvif->aid);
2612 ap_sta = ieee80211_find_sta(vif, bss_conf->bssid);
2614 ath10k_warn(ar, "failed to find station entry for bss %pM vdev %i\n",
2615 bss_conf->bssid, arvif->vdev_id);
2620 /* ap_sta must be accessed only within rcu section which must be left
2621 * before calling ath10k_setup_peer_smps() which might sleep. */
2622 ht_cap = ap_sta->ht_cap;
2623 vht_cap = ap_sta->vht_cap;
2625 ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg);
2627 ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n",
2628 bss_conf->bssid, arvif->vdev_id, ret);
2635 ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
2637 ath10k_warn(ar, "failed to run peer assoc for %pM vdev %i: %d\n",
2638 bss_conf->bssid, arvif->vdev_id, ret);
2642 ret = ath10k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ht_cap);
2644 ath10k_warn(ar, "failed to setup peer SMPS for vdev %i: %d\n",
2645 arvif->vdev_id, ret);
2649 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
2651 ath10k_warn(ar, "failed to recalc txbf for vdev %i on bss %pM: %d\n",
2652 arvif->vdev_id, bss_conf->bssid, ret);
2656 ath10k_dbg(ar, ATH10K_DBG_MAC,
2657 "mac vdev %d up (associated) bssid %pM aid %d\n",
2658 arvif->vdev_id, bss_conf->bssid, bss_conf->aid);
2660 WARN_ON(arvif->is_up);
2662 arvif->aid = bss_conf->aid;
2663 ether_addr_copy(arvif->bssid, bss_conf->bssid);
2665 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid);
2667 ath10k_warn(ar, "failed to set vdev %d up: %d\n",
2668 arvif->vdev_id, ret);
2672 arvif->is_up = true;
2674 /* Workaround: Some firmware revisions (tested with qca6174
2675 * WLAN.RM.2.0-00073) have buggy powersave state machine and must be
2676 * poked with peer param command.
2678 ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, arvif->bssid,
2679 WMI_PEER_DUMMY_VAR, 1);
2681 ath10k_warn(ar, "failed to poke peer %pM param for ps workaround on vdev %i: %d\n",
2682 arvif->bssid, arvif->vdev_id, ret);
2687 static void ath10k_bss_disassoc(struct ieee80211_hw *hw,
2688 struct ieee80211_vif *vif)
2690 struct ath10k *ar = hw->priv;
2691 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2692 struct ieee80211_sta_vht_cap vht_cap = {};
2695 lockdep_assert_held(&ar->conf_mutex);
2697 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n",
2698 arvif->vdev_id, arvif->bssid);
2700 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
2702 ath10k_warn(ar, "faield to down vdev %i: %d\n",
2703 arvif->vdev_id, ret);
2705 arvif->def_wep_key_idx = -1;
2707 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
2709 ath10k_warn(ar, "failed to recalc txbf for vdev %i: %d\n",
2710 arvif->vdev_id, ret);
2714 arvif->is_up = false;
2716 cancel_delayed_work_sync(&arvif->connection_loss_work);
2719 static int ath10k_station_assoc(struct ath10k *ar,
2720 struct ieee80211_vif *vif,
2721 struct ieee80211_sta *sta,
2724 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2725 struct wmi_peer_assoc_complete_arg peer_arg;
2728 lockdep_assert_held(&ar->conf_mutex);
2730 ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg);
2732 ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n",
2733 sta->addr, arvif->vdev_id, ret);
2737 ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
2739 ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n",
2740 sta->addr, arvif->vdev_id, ret);
2744 /* Re-assoc is run only to update supported rates for given station. It
2745 * doesn't make much sense to reconfigure the peer completely.
2748 ret = ath10k_setup_peer_smps(ar, arvif, sta->addr,
2751 ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n",
2752 arvif->vdev_id, ret);
2756 ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta);
2758 ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n",
2759 sta->addr, arvif->vdev_id, ret);
2764 arvif->num_legacy_stations++;
2765 ret = ath10k_recalc_rtscts_prot(arvif);
2767 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
2768 arvif->vdev_id, ret);
2773 /* Plumb cached keys only for static WEP */
2774 if (arvif->def_wep_key_idx != -1) {
2775 ret = ath10k_install_peer_wep_keys(arvif, sta->addr);
2777 ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n",
2778 arvif->vdev_id, ret);
2787 static int ath10k_station_disassoc(struct ath10k *ar,
2788 struct ieee80211_vif *vif,
2789 struct ieee80211_sta *sta)
2791 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2794 lockdep_assert_held(&ar->conf_mutex);
2797 arvif->num_legacy_stations--;
2798 ret = ath10k_recalc_rtscts_prot(arvif);
2800 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
2801 arvif->vdev_id, ret);
2806 ret = ath10k_clear_peer_keys(arvif, sta->addr);
2808 ath10k_warn(ar, "failed to clear all peer wep keys for vdev %i: %d\n",
2809 arvif->vdev_id, ret);
2820 static int ath10k_update_channel_list(struct ath10k *ar)
2822 struct ieee80211_hw *hw = ar->hw;
2823 struct ieee80211_supported_band **bands;
2824 enum ieee80211_band band;
2825 struct ieee80211_channel *channel;
2826 struct wmi_scan_chan_list_arg arg = {0};
2827 struct wmi_channel_arg *ch;
2833 lockdep_assert_held(&ar->conf_mutex);
2835 bands = hw->wiphy->bands;
2836 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2840 for (i = 0; i < bands[band]->n_channels; i++) {
2841 if (bands[band]->channels[i].flags &
2842 IEEE80211_CHAN_DISABLED)
2849 len = sizeof(struct wmi_channel_arg) * arg.n_channels;
2850 arg.channels = kzalloc(len, GFP_KERNEL);
2855 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2859 for (i = 0; i < bands[band]->n_channels; i++) {
2860 channel = &bands[band]->channels[i];
2862 if (channel->flags & IEEE80211_CHAN_DISABLED)
2865 ch->allow_ht = true;
2867 /* FIXME: when should we really allow VHT? */
2868 ch->allow_vht = true;
2871 !(channel->flags & IEEE80211_CHAN_NO_IR);
2874 !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS);
2877 !!(channel->flags & IEEE80211_CHAN_RADAR);
2879 passive = channel->flags & IEEE80211_CHAN_NO_IR;
2880 ch->passive = passive;
2882 ch->freq = channel->center_freq;
2883 ch->band_center_freq1 = channel->center_freq;
2885 ch->max_power = channel->max_power * 2;
2886 ch->max_reg_power = channel->max_reg_power * 2;
2887 ch->max_antenna_gain = channel->max_antenna_gain * 2;
2888 ch->reg_class_id = 0; /* FIXME */
2890 /* FIXME: why use only legacy modes, why not any
2891 * HT/VHT modes? Would that even make any
2893 if (channel->band == IEEE80211_BAND_2GHZ)
2894 ch->mode = MODE_11G;
2896 ch->mode = MODE_11A;
2898 if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN))
2901 ath10k_dbg(ar, ATH10K_DBG_WMI,
2902 "mac channel [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n",
2903 ch - arg.channels, arg.n_channels,
2904 ch->freq, ch->max_power, ch->max_reg_power,
2905 ch->max_antenna_gain, ch->mode);
2911 ret = ath10k_wmi_scan_chan_list(ar, &arg);
2912 kfree(arg.channels);
2917 static enum wmi_dfs_region
2918 ath10k_mac_get_dfs_region(enum nl80211_dfs_regions dfs_region)
2920 switch (dfs_region) {
2921 case NL80211_DFS_UNSET:
2922 return WMI_UNINIT_DFS_DOMAIN;
2923 case NL80211_DFS_FCC:
2924 return WMI_FCC_DFS_DOMAIN;
2925 case NL80211_DFS_ETSI:
2926 return WMI_ETSI_DFS_DOMAIN;
2927 case NL80211_DFS_JP:
2928 return WMI_MKK4_DFS_DOMAIN;
2930 return WMI_UNINIT_DFS_DOMAIN;
2933 static void ath10k_regd_update(struct ath10k *ar)
2935 struct reg_dmn_pair_mapping *regpair;
2937 enum wmi_dfs_region wmi_dfs_reg;
2938 enum nl80211_dfs_regions nl_dfs_reg;
2940 lockdep_assert_held(&ar->conf_mutex);
2942 ret = ath10k_update_channel_list(ar);
2944 ath10k_warn(ar, "failed to update channel list: %d\n", ret);
2946 regpair = ar->ath_common.regulatory.regpair;
2948 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
2949 nl_dfs_reg = ar->dfs_detector->region;
2950 wmi_dfs_reg = ath10k_mac_get_dfs_region(nl_dfs_reg);
2952 wmi_dfs_reg = WMI_UNINIT_DFS_DOMAIN;
2955 /* Target allows setting up per-band regdomain but ath_common provides
2956 * a combined one only */
2957 ret = ath10k_wmi_pdev_set_regdomain(ar,
2958 regpair->reg_domain,
2959 regpair->reg_domain, /* 2ghz */
2960 regpair->reg_domain, /* 5ghz */
2961 regpair->reg_2ghz_ctl,
2962 regpair->reg_5ghz_ctl,
2965 ath10k_warn(ar, "failed to set pdev regdomain: %d\n", ret);
2968 static void ath10k_reg_notifier(struct wiphy *wiphy,
2969 struct regulatory_request *request)
2971 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
2972 struct ath10k *ar = hw->priv;
2975 ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory);
2977 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
2978 ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs region 0x%x\n",
2979 request->dfs_region);
2980 result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector,
2981 request->dfs_region);
2983 ath10k_warn(ar, "DFS region 0x%X not supported, will trigger radar for every pulse\n",
2984 request->dfs_region);
2987 mutex_lock(&ar->conf_mutex);
2988 if (ar->state == ATH10K_STATE_ON)
2989 ath10k_regd_update(ar);
2990 mutex_unlock(&ar->conf_mutex);
2997 void ath10k_mac_tx_lock(struct ath10k *ar, int reason)
2999 lockdep_assert_held(&ar->htt.tx_lock);
3001 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
3002 ar->tx_paused |= BIT(reason);
3003 ieee80211_stop_queues(ar->hw);
3006 static void ath10k_mac_tx_unlock_iter(void *data, u8 *mac,
3007 struct ieee80211_vif *vif)
3009 struct ath10k *ar = data;
3010 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3012 if (arvif->tx_paused)
3015 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
3018 void ath10k_mac_tx_unlock(struct ath10k *ar, int reason)
3020 lockdep_assert_held(&ar->htt.tx_lock);
3022 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
3023 ar->tx_paused &= ~BIT(reason);
3028 ieee80211_iterate_active_interfaces_atomic(ar->hw,
3029 IEEE80211_IFACE_ITER_RESUME_ALL,
3030 ath10k_mac_tx_unlock_iter,
3033 ieee80211_wake_queue(ar->hw, ar->hw->offchannel_tx_hw_queue);
3036 void ath10k_mac_vif_tx_lock(struct ath10k_vif *arvif, int reason)
3038 struct ath10k *ar = arvif->ar;
3040 lockdep_assert_held(&ar->htt.tx_lock);
3042 WARN_ON(reason >= BITS_PER_LONG);
3043 arvif->tx_paused |= BIT(reason);
3044 ieee80211_stop_queue(ar->hw, arvif->vdev_id);
3047 void ath10k_mac_vif_tx_unlock(struct ath10k_vif *arvif, int reason)
3049 struct ath10k *ar = arvif->ar;
3051 lockdep_assert_held(&ar->htt.tx_lock);
3053 WARN_ON(reason >= BITS_PER_LONG);
3054 arvif->tx_paused &= ~BIT(reason);
3059 if (arvif->tx_paused)
3062 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
3065 static void ath10k_mac_vif_handle_tx_pause(struct ath10k_vif *arvif,
3066 enum wmi_tlv_tx_pause_id pause_id,
3067 enum wmi_tlv_tx_pause_action action)
3069 struct ath10k *ar = arvif->ar;
3071 lockdep_assert_held(&ar->htt.tx_lock);
3074 case WMI_TLV_TX_PAUSE_ACTION_STOP:
3075 ath10k_mac_vif_tx_lock(arvif, pause_id);
3077 case WMI_TLV_TX_PAUSE_ACTION_WAKE:
3078 ath10k_mac_vif_tx_unlock(arvif, pause_id);
3081 ath10k_warn(ar, "received unknown tx pause action %d on vdev %i, ignoring\n",
3082 action, arvif->vdev_id);
3087 struct ath10k_mac_tx_pause {
3089 enum wmi_tlv_tx_pause_id pause_id;
3090 enum wmi_tlv_tx_pause_action action;
3093 static void ath10k_mac_handle_tx_pause_iter(void *data, u8 *mac,
3094 struct ieee80211_vif *vif)
3096 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3097 struct ath10k_mac_tx_pause *arg = data;
3099 if (arvif->vdev_id != arg->vdev_id)
3102 ath10k_mac_vif_handle_tx_pause(arvif, arg->pause_id, arg->action);
3105 void ath10k_mac_handle_tx_pause_vdev(struct ath10k *ar, u32 vdev_id,
3106 enum wmi_tlv_tx_pause_id pause_id,
3107 enum wmi_tlv_tx_pause_action action)
3109 struct ath10k_mac_tx_pause arg = {
3111 .pause_id = pause_id,
3115 spin_lock_bh(&ar->htt.tx_lock);
3116 ieee80211_iterate_active_interfaces_atomic(ar->hw,
3117 IEEE80211_IFACE_ITER_RESUME_ALL,
3118 ath10k_mac_handle_tx_pause_iter,
3120 spin_unlock_bh(&ar->htt.tx_lock);
3123 static enum ath10k_hw_txrx_mode
3124 ath10k_mac_tx_h_get_txmode(struct ath10k *ar,
3125 struct ieee80211_vif *vif,
3126 struct ieee80211_sta *sta,
3127 struct sk_buff *skb)
3129 const struct ieee80211_hdr *hdr = (void *)skb->data;
3130 __le16 fc = hdr->frame_control;
3132 if (!vif || vif->type == NL80211_IFTYPE_MONITOR)
3133 return ATH10K_HW_TXRX_RAW;
3135 if (ieee80211_is_mgmt(fc))
3136 return ATH10K_HW_TXRX_MGMT;
3140 * NullFunc frames are mostly used to ping if a client or AP are still
3141 * reachable and responsive. This implies tx status reports must be
3142 * accurate - otherwise either mac80211 or userspace (e.g. hostapd) can
3143 * come to a conclusion that the other end disappeared and tear down
3144 * BSS connection or it can never disconnect from BSS/client (which is
3147 * Firmware with HTT older than 3.0 delivers incorrect tx status for
3148 * NullFunc frames to driver. However there's a HTT Mgmt Tx command
3149 * which seems to deliver correct tx reports for NullFunc frames. The
3150 * downside of using it is it ignores client powersave state so it can
3151 * end up disconnecting sleeping clients in AP mode. It should fix STA
3152 * mode though because AP don't sleep.
3154 if (ar->htt.target_version_major < 3 &&
3155 (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) &&
3156 !test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, ar->fw_features))
3157 return ATH10K_HW_TXRX_MGMT;
3161 * Some wmi-tlv firmwares for qca6174 have broken Tx key selection for
3162 * NativeWifi txmode - it selects AP key instead of peer key. It seems
3163 * to work with Ethernet txmode so use it.
3165 * FIXME: Check if raw mode works with TDLS.
3167 if (ieee80211_is_data_present(fc) && sta && sta->tdls)
3168 return ATH10K_HW_TXRX_ETHERNET;
3170 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
3171 return ATH10K_HW_TXRX_RAW;
3173 return ATH10K_HW_TXRX_NATIVE_WIFI;
3176 static bool ath10k_tx_h_use_hwcrypto(struct ieee80211_vif *vif,
3177 struct sk_buff *skb)
3179 const struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3180 const struct ieee80211_hdr *hdr = (void *)skb->data;
3181 const u32 mask = IEEE80211_TX_INTFL_DONT_ENCRYPT |
3182 IEEE80211_TX_CTL_INJECTED;
3184 if (!ieee80211_has_protected(hdr->frame_control))
3187 if ((info->flags & mask) == mask)
3191 return !ath10k_vif_to_arvif(vif)->nohwcrypt;
3196 /* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS
3197 * Control in the header.
3199 static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb)
3201 struct ieee80211_hdr *hdr = (void *)skb->data;
3202 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
3205 if (!ieee80211_is_data_qos(hdr->frame_control))
3208 qos_ctl = ieee80211_get_qos_ctl(hdr);
3209 memmove(skb->data + IEEE80211_QOS_CTL_LEN,
3210 skb->data, (void *)qos_ctl - (void *)skb->data);
3211 skb_pull(skb, IEEE80211_QOS_CTL_LEN);
3213 /* Some firmware revisions don't handle sending QoS NullFunc well.
3214 * These frames are mainly used for CQM purposes so it doesn't really
3215 * matter whether QoS NullFunc or NullFunc are sent.
3217 hdr = (void *)skb->data;
3218 if (ieee80211_is_qos_nullfunc(hdr->frame_control))
3219 cb->flags &= ~ATH10K_SKB_F_QOS;
3221 hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
3224 static void ath10k_tx_h_8023(struct sk_buff *skb)
3226 struct ieee80211_hdr *hdr;
3227 struct rfc1042_hdr *rfc1042;
3234 hdr = (void *)skb->data;
3235 hdrlen = ieee80211_hdrlen(hdr->frame_control);
3236 rfc1042 = (void *)skb->data + hdrlen;
3238 ether_addr_copy(da, ieee80211_get_DA(hdr));
3239 ether_addr_copy(sa, ieee80211_get_SA(hdr));
3240 type = rfc1042->snap_type;
3242 skb_pull(skb, hdrlen + sizeof(*rfc1042));
3243 skb_push(skb, sizeof(*eth));
3245 eth = (void *)skb->data;
3246 ether_addr_copy(eth->h_dest, da);
3247 ether_addr_copy(eth->h_source, sa);
3248 eth->h_proto = type;
3251 static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar,
3252 struct ieee80211_vif *vif,
3253 struct sk_buff *skb)
3255 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
3256 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3258 /* This is case only for P2P_GO */
3259 if (vif->type != NL80211_IFTYPE_AP || !vif->p2p)
3262 if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) {
3263 spin_lock_bh(&ar->data_lock);
3264 if (arvif->u.ap.noa_data)
3265 if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len,
3267 memcpy(skb_put(skb, arvif->u.ap.noa_len),
3268 arvif->u.ap.noa_data,
3269 arvif->u.ap.noa_len);
3270 spin_unlock_bh(&ar->data_lock);
3274 bool ath10k_mac_tx_frm_has_freq(struct ath10k *ar)
3276 /* FIXME: Not really sure since when the behaviour changed. At some
3277 * point new firmware stopped requiring creation of peer entries for
3278 * offchannel tx (and actually creating them causes issues with wmi-htc
3279 * tx credit replenishment and reliability). Assuming it's at least 3.4
3280 * because that's when the `freq` was introduced to TX_FRM HTT command.
3282 return (ar->htt.target_version_major >= 3 &&
3283 ar->htt.target_version_minor >= 4 &&
3284 ar->htt.op_version == ATH10K_FW_HTT_OP_VERSION_TLV);
3287 static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb)
3289 struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue;
3292 spin_lock_bh(&ar->data_lock);
3294 if (skb_queue_len(q) == ATH10K_MAX_NUM_MGMT_PENDING) {
3295 ath10k_warn(ar, "wmi mgmt tx queue is full\n");
3300 __skb_queue_tail(q, skb);
3301 ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work);
3304 spin_unlock_bh(&ar->data_lock);
3309 static void ath10k_mac_tx(struct ath10k *ar, enum ath10k_hw_txrx_mode txmode,
3310 struct sk_buff *skb)
3312 struct ath10k_htt *htt = &ar->htt;
3316 case ATH10K_HW_TXRX_RAW:
3317 case ATH10K_HW_TXRX_NATIVE_WIFI:
3318 case ATH10K_HW_TXRX_ETHERNET:
3319 ret = ath10k_htt_tx(htt, txmode, skb);
3321 case ATH10K_HW_TXRX_MGMT:
3322 if (test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX,
3324 ret = ath10k_mac_tx_wmi_mgmt(ar, skb);
3325 else if (ar->htt.target_version_major >= 3)
3326 ret = ath10k_htt_tx(htt, txmode, skb);
3328 ret = ath10k_htt_mgmt_tx(htt, skb);
3333 ath10k_warn(ar, "failed to transmit packet, dropping: %d\n",
3335 ieee80211_free_txskb(ar->hw, skb);
3339 void ath10k_offchan_tx_purge(struct ath10k *ar)
3341 struct sk_buff *skb;
3344 skb = skb_dequeue(&ar->offchan_tx_queue);
3348 ieee80211_free_txskb(ar->hw, skb);
3352 void ath10k_offchan_tx_work(struct work_struct *work)
3354 struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work);
3355 struct ath10k_peer *peer;
3356 struct ath10k_vif *arvif;
3357 struct ieee80211_hdr *hdr;
3358 struct ieee80211_vif *vif;
3359 struct ieee80211_sta *sta;
3360 struct sk_buff *skb;
3361 const u8 *peer_addr;
3362 enum ath10k_hw_txrx_mode txmode;
3365 unsigned long time_left;
3366 bool tmp_peer_created = false;
3368 /* FW requirement: We must create a peer before FW will send out
3369 * an offchannel frame. Otherwise the frame will be stuck and
3370 * never transmitted. We delete the peer upon tx completion.
3371 * It is unlikely that a peer for offchannel tx will already be
3372 * present. However it may be in some rare cases so account for that.
3373 * Otherwise we might remove a legitimate peer and break stuff. */
3376 skb = skb_dequeue(&ar->offchan_tx_queue);
3380 mutex_lock(&ar->conf_mutex);
3382 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %p\n",
3385 hdr = (struct ieee80211_hdr *)skb->data;
3386 peer_addr = ieee80211_get_DA(hdr);
3388 spin_lock_bh(&ar->data_lock);
3389 vdev_id = ar->scan.vdev_id;
3390 peer = ath10k_peer_find(ar, vdev_id, peer_addr);
3391 spin_unlock_bh(&ar->data_lock);
3394 /* FIXME: should this use ath10k_warn()? */
3395 ath10k_dbg(ar, ATH10K_DBG_MAC, "peer %pM on vdev %d already present\n",
3396 peer_addr, vdev_id);
3399 ret = ath10k_peer_create(ar, vdev_id, peer_addr,
3400 WMI_PEER_TYPE_DEFAULT);
3402 ath10k_warn(ar, "failed to create peer %pM on vdev %d: %d\n",
3403 peer_addr, vdev_id, ret);
3404 tmp_peer_created = (ret == 0);
3407 spin_lock_bh(&ar->data_lock);
3408 reinit_completion(&ar->offchan_tx_completed);
3409 ar->offchan_tx_skb = skb;
3410 spin_unlock_bh(&ar->data_lock);
3412 /* It's safe to access vif and sta - conf_mutex guarantees that
3413 * sta_state() and remove_interface() are locked exclusively
3414 * out wrt to this offchannel worker.
3416 arvif = ath10k_get_arvif(ar, vdev_id);
3419 sta = ieee80211_find_sta(vif, peer_addr);
3425 txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb);
3427 ath10k_mac_tx(ar, txmode, skb);
3430 wait_for_completion_timeout(&ar->offchan_tx_completed, 3 * HZ);
3432 ath10k_warn(ar, "timed out waiting for offchannel skb %p\n",
3435 if (!peer && tmp_peer_created) {
3436 ret = ath10k_peer_delete(ar, vdev_id, peer_addr);
3438 ath10k_warn(ar, "failed to delete peer %pM on vdev %d: %d\n",
3439 peer_addr, vdev_id, ret);
3442 mutex_unlock(&ar->conf_mutex);
3446 void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar)
3448 struct sk_buff *skb;
3451 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
3455 ieee80211_free_txskb(ar->hw, skb);
3459 void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work)
3461 struct ath10k *ar = container_of(work, struct ath10k, wmi_mgmt_tx_work);
3462 struct sk_buff *skb;
3466 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
3470 ret = ath10k_wmi_mgmt_tx(ar, skb);
3472 ath10k_warn(ar, "failed to transmit management frame via WMI: %d\n",
3474 ieee80211_free_txskb(ar->hw, skb);
3483 void __ath10k_scan_finish(struct ath10k *ar)
3485 lockdep_assert_held(&ar->data_lock);
3487 switch (ar->scan.state) {
3488 case ATH10K_SCAN_IDLE:
3490 case ATH10K_SCAN_RUNNING:
3491 case ATH10K_SCAN_ABORTING:
3492 if (!ar->scan.is_roc)
3493 ieee80211_scan_completed(ar->hw,
3495 ATH10K_SCAN_ABORTING));
3496 else if (ar->scan.roc_notify)
3497 ieee80211_remain_on_channel_expired(ar->hw);
3499 case ATH10K_SCAN_STARTING:
3500 ar->scan.state = ATH10K_SCAN_IDLE;
3501 ar->scan_channel = NULL;
3502 ar->scan.roc_freq = 0;
3503 ath10k_offchan_tx_purge(ar);
3504 cancel_delayed_work(&ar->scan.timeout);
3505 complete_all(&ar->scan.completed);
3510 void ath10k_scan_finish(struct ath10k *ar)
3512 spin_lock_bh(&ar->data_lock);
3513 __ath10k_scan_finish(ar);
3514 spin_unlock_bh(&ar->data_lock);
3517 static int ath10k_scan_stop(struct ath10k *ar)
3519 struct wmi_stop_scan_arg arg = {
3520 .req_id = 1, /* FIXME */
3521 .req_type = WMI_SCAN_STOP_ONE,
3522 .u.scan_id = ATH10K_SCAN_ID,
3526 lockdep_assert_held(&ar->conf_mutex);
3528 ret = ath10k_wmi_stop_scan(ar, &arg);
3530 ath10k_warn(ar, "failed to stop wmi scan: %d\n", ret);
3534 ret = wait_for_completion_timeout(&ar->scan.completed, 3*HZ);
3536 ath10k_warn(ar, "failed to receive scan abortion completion: timed out\n");
3538 } else if (ret > 0) {
3543 /* Scan state should be updated upon scan completion but in case
3544 * firmware fails to deliver the event (for whatever reason) it is
3545 * desired to clean up scan state anyway. Firmware may have just
3546 * dropped the scan completion event delivery due to transport pipe
3547 * being overflown with data and/or it can recover on its own before
3548 * next scan request is submitted.
3550 spin_lock_bh(&ar->data_lock);
3551 if (ar->scan.state != ATH10K_SCAN_IDLE)
3552 __ath10k_scan_finish(ar);
3553 spin_unlock_bh(&ar->data_lock);
3558 static void ath10k_scan_abort(struct ath10k *ar)
3562 lockdep_assert_held(&ar->conf_mutex);
3564 spin_lock_bh(&ar->data_lock);
3566 switch (ar->scan.state) {
3567 case ATH10K_SCAN_IDLE:
3568 /* This can happen if timeout worker kicked in and called
3569 * abortion while scan completion was being processed.
3572 case ATH10K_SCAN_STARTING:
3573 case ATH10K_SCAN_ABORTING:
3574 ath10k_warn(ar, "refusing scan abortion due to invalid scan state: %s (%d)\n",
3575 ath10k_scan_state_str(ar->scan.state),
3578 case ATH10K_SCAN_RUNNING:
3579 ar->scan.state = ATH10K_SCAN_ABORTING;
3580 spin_unlock_bh(&ar->data_lock);
3582 ret = ath10k_scan_stop(ar);
3584 ath10k_warn(ar, "failed to abort scan: %d\n", ret);
3586 spin_lock_bh(&ar->data_lock);
3590 spin_unlock_bh(&ar->data_lock);
3593 void ath10k_scan_timeout_work(struct work_struct *work)
3595 struct ath10k *ar = container_of(work, struct ath10k,
3598 mutex_lock(&ar->conf_mutex);
3599 ath10k_scan_abort(ar);
3600 mutex_unlock(&ar->conf_mutex);
3603 static int ath10k_start_scan(struct ath10k *ar,
3604 const struct wmi_start_scan_arg *arg)
3608 lockdep_assert_held(&ar->conf_mutex);
3610 ret = ath10k_wmi_start_scan(ar, arg);
3614 ret = wait_for_completion_timeout(&ar->scan.started, 1*HZ);
3616 ret = ath10k_scan_stop(ar);
3618 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
3623 /* If we failed to start the scan, return error code at
3624 * this point. This is probably due to some issue in the
3625 * firmware, but no need to wedge the driver due to that...
3627 spin_lock_bh(&ar->data_lock);
3628 if (ar->scan.state == ATH10K_SCAN_IDLE) {
3629 spin_unlock_bh(&ar->data_lock);
3632 spin_unlock_bh(&ar->data_lock);
3637 /**********************/
3638 /* mac80211 callbacks */
3639 /**********************/
3641 static void ath10k_tx(struct ieee80211_hw *hw,
3642 struct ieee80211_tx_control *control,
3643 struct sk_buff *skb)
3645 struct ath10k *ar = hw->priv;
3646 struct ath10k_skb_cb *skb_cb = ATH10K_SKB_CB(skb);
3647 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3648 struct ieee80211_vif *vif = info->control.vif;
3649 struct ieee80211_sta *sta = control->sta;
3650 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
3651 enum ath10k_hw_txrx_mode txmode;
3653 /* We should disable CCK RATE due to P2P */
3654 if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE)
3655 ath10k_dbg(ar, ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n");
3657 txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb);
3660 if (!ath10k_tx_h_use_hwcrypto(vif, skb))
3661 skb_cb->flags |= ATH10K_SKB_F_NO_HWCRYPT;
3663 if (ieee80211_is_mgmt(hdr->frame_control))
3664 skb_cb->flags |= ATH10K_SKB_F_MGMT;
3666 if (ieee80211_is_data_qos(hdr->frame_control))
3667 skb_cb->flags |= ATH10K_SKB_F_QOS;
3672 case ATH10K_HW_TXRX_MGMT:
3673 case ATH10K_HW_TXRX_NATIVE_WIFI:
3674 ath10k_tx_h_nwifi(hw, skb);
3675 ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb);
3676 ath10k_tx_h_seq_no(vif, skb);
3678 case ATH10K_HW_TXRX_ETHERNET:
3679 ath10k_tx_h_8023(skb);
3681 case ATH10K_HW_TXRX_RAW:
3682 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
3684 ieee80211_free_txskb(hw, skb);
3689 if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) {
3690 if (!ath10k_mac_tx_frm_has_freq(ar)) {
3691 ath10k_dbg(ar, ATH10K_DBG_MAC, "queued offchannel skb %p\n",
3694 skb_queue_tail(&ar->offchan_tx_queue, skb);
3695 ieee80211_queue_work(hw, &ar->offchan_tx_work);
3700 ath10k_mac_tx(ar, txmode, skb);
3703 /* Must not be called with conf_mutex held as workers can use that also. */
3704 void ath10k_drain_tx(struct ath10k *ar)
3706 /* make sure rcu-protected mac80211 tx path itself is drained */
3709 ath10k_offchan_tx_purge(ar);
3710 ath10k_mgmt_over_wmi_tx_purge(ar);
3712 cancel_work_sync(&ar->offchan_tx_work);
3713 cancel_work_sync(&ar->wmi_mgmt_tx_work);
3716 void ath10k_halt(struct ath10k *ar)
3718 struct ath10k_vif *arvif;
3720 lockdep_assert_held(&ar->conf_mutex);
3722 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
3723 ar->filter_flags = 0;
3724 ar->monitor = false;
3725 ar->monitor_arvif = NULL;
3727 if (ar->monitor_started)
3728 ath10k_monitor_stop(ar);
3730 ar->monitor_started = false;
3733 ath10k_scan_finish(ar);
3734 ath10k_peer_cleanup_all(ar);
3735 ath10k_core_stop(ar);
3736 ath10k_hif_power_down(ar);
3738 spin_lock_bh(&ar->data_lock);
3739 list_for_each_entry(arvif, &ar->arvifs, list)
3740 ath10k_mac_vif_beacon_cleanup(arvif);
3741 spin_unlock_bh(&ar->data_lock);
3744 static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
3746 struct ath10k *ar = hw->priv;
3748 mutex_lock(&ar->conf_mutex);
3750 *tx_ant = ar->cfg_tx_chainmask;
3751 *rx_ant = ar->cfg_rx_chainmask;
3753 mutex_unlock(&ar->conf_mutex);
3758 static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg)
3760 /* It is not clear that allowing gaps in chainmask
3761 * is helpful. Probably it will not do what user
3762 * is hoping for, so warn in that case.
3764 if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0)
3767 ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n",
3771 static int ath10k_mac_get_vht_cap_bf_sts(struct ath10k *ar)
3773 int nsts = ar->vht_cap_info;
3775 nsts &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
3776 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
3778 /* If firmware does not deliver to host number of space-time
3779 * streams supported, assume it support up to 4 BF STS and return
3780 * the value for VHT CAP: nsts-1)
3788 static int ath10k_mac_get_vht_cap_bf_sound_dim(struct ath10k *ar)
3790 int sound_dim = ar->vht_cap_info;
3792 sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
3793 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
3795 /* If the sounding dimension is not advertised by the firmware,
3796 * let's use a default value of 1
3804 static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
3806 struct ieee80211_sta_vht_cap vht_cap = {0};
3811 vht_cap.vht_supported = 1;
3812 vht_cap.cap = ar->vht_cap_info;
3814 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
3815 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
3816 val = ath10k_mac_get_vht_cap_bf_sts(ar);
3817 val <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
3818 val &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
3823 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
3824 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
3825 val = ath10k_mac_get_vht_cap_bf_sound_dim(ar);
3826 val <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
3827 val &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
3833 for (i = 0; i < 8; i++) {
3834 if ((i < ar->num_rf_chains) && (ar->cfg_tx_chainmask & BIT(i)))
3835 mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
3837 mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
3840 vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
3841 vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
3846 static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
3849 struct ieee80211_sta_ht_cap ht_cap = {0};
3851 if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED))
3854 ht_cap.ht_supported = 1;
3855 ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
3856 ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
3857 ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
3858 ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
3860 WLAN_HT_CAP_SM_PS_DISABLED << IEEE80211_HT_CAP_SM_PS_SHIFT;
3862 if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI)
3863 ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
3865 if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI)
3866 ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
3868 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) {
3871 smps = WLAN_HT_CAP_SM_PS_DYNAMIC;
3872 smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT;
3877 if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC)
3878 ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
3880 if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) {
3883 stbc = ar->ht_cap_info;
3884 stbc &= WMI_HT_CAP_RX_STBC;
3885 stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT;
3886 stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT;
3887 stbc &= IEEE80211_HT_CAP_RX_STBC;
3892 if (ar->ht_cap_info & WMI_HT_CAP_LDPC)
3893 ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
3895 if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT)
3896 ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT;
3898 /* max AMSDU is implicitly taken from vht_cap_info */
3899 if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK)
3900 ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
3902 for (i = 0; i < ar->num_rf_chains; i++) {
3903 if (ar->cfg_rx_chainmask & BIT(i))
3904 ht_cap.mcs.rx_mask[i] = 0xFF;
3907 ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
3912 static void ath10k_mac_setup_ht_vht_cap(struct ath10k *ar)
3914 struct ieee80211_supported_band *band;
3915 struct ieee80211_sta_vht_cap vht_cap;
3916 struct ieee80211_sta_ht_cap ht_cap;
3918 ht_cap = ath10k_get_ht_cap(ar);
3919 vht_cap = ath10k_create_vht_cap(ar);
3921 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
3922 band = &ar->mac.sbands[IEEE80211_BAND_2GHZ];
3923 band->ht_cap = ht_cap;
3925 /* Enable the VHT support at 2.4 GHz */
3926 band->vht_cap = vht_cap;
3928 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
3929 band = &ar->mac.sbands[IEEE80211_BAND_5GHZ];
3930 band->ht_cap = ht_cap;
3931 band->vht_cap = vht_cap;
3935 static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant)
3939 lockdep_assert_held(&ar->conf_mutex);
3941 ath10k_check_chain_mask(ar, tx_ant, "tx");
3942 ath10k_check_chain_mask(ar, rx_ant, "rx");
3944 ar->cfg_tx_chainmask = tx_ant;
3945 ar->cfg_rx_chainmask = rx_ant;
3947 if ((ar->state != ATH10K_STATE_ON) &&
3948 (ar->state != ATH10K_STATE_RESTARTED))
3951 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->tx_chain_mask,
3954 ath10k_warn(ar, "failed to set tx-chainmask: %d, req 0x%x\n",
3959 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rx_chain_mask,
3962 ath10k_warn(ar, "failed to set rx-chainmask: %d, req 0x%x\n",
3967 /* Reload HT/VHT capability */
3968 ath10k_mac_setup_ht_vht_cap(ar);
3973 static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
3975 struct ath10k *ar = hw->priv;
3978 mutex_lock(&ar->conf_mutex);
3979 ret = __ath10k_set_antenna(ar, tx_ant, rx_ant);
3980 mutex_unlock(&ar->conf_mutex);
3984 static int ath10k_start(struct ieee80211_hw *hw)
3986 struct ath10k *ar = hw->priv;
3991 * This makes sense only when restarting hw. It is harmless to call
3992 * uncoditionally. This is necessary to make sure no HTT/WMI tx
3993 * commands will be submitted while restarting.
3995 ath10k_drain_tx(ar);
3997 mutex_lock(&ar->conf_mutex);
3999 switch (ar->state) {
4000 case ATH10K_STATE_OFF:
4001 ar->state = ATH10K_STATE_ON;
4003 case ATH10K_STATE_RESTARTING:
4005 ar->state = ATH10K_STATE_RESTARTED;
4007 case ATH10K_STATE_ON:
4008 case ATH10K_STATE_RESTARTED:
4009 case ATH10K_STATE_WEDGED:
4013 case ATH10K_STATE_UTF:
4018 ret = ath10k_hif_power_up(ar);
4020 ath10k_err(ar, "Could not init hif: %d\n", ret);
4024 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
4026 ath10k_err(ar, "Could not init core: %d\n", ret);
4027 goto err_power_down;
4030 param = ar->wmi.pdev_param->pmf_qos;
4031 ret = ath10k_wmi_pdev_set_param(ar, param, 1);
4033 ath10k_warn(ar, "failed to enable PMF QOS: %d\n", ret);
4037 param = ar->wmi.pdev_param->dynamic_bw;
4038 ret = ath10k_wmi_pdev_set_param(ar, param, 1);
4040 ath10k_warn(ar, "failed to enable dynamic BW: %d\n", ret);
4044 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
4045 ret = ath10k_wmi_adaptive_qcs(ar, true);
4047 ath10k_warn(ar, "failed to enable adaptive qcs: %d\n",
4053 if (test_bit(WMI_SERVICE_BURST, ar->wmi.svc_map)) {
4054 param = ar->wmi.pdev_param->burst_enable;
4055 ret = ath10k_wmi_pdev_set_param(ar, param, 0);
4057 ath10k_warn(ar, "failed to disable burst: %d\n", ret);
4062 __ath10k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask);
4065 * By default FW set ARP frames ac to voice (6). In that case ARP
4066 * exchange is not working properly for UAPSD enabled AP. ARP requests
4067 * which arrives with access category 0 are processed by network stack
4068 * and send back with access category 0, but FW changes access category
4069 * to 6. Set ARP frames access category to best effort (0) solves
4073 param = ar->wmi.pdev_param->arp_ac_override;
4074 ret = ath10k_wmi_pdev_set_param(ar, param, 0);
4076 ath10k_warn(ar, "failed to set arp ac override parameter: %d\n",
4081 if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA,
4083 ret = ath10k_wmi_pdev_enable_adaptive_cca(ar, 1,
4084 WMI_CCA_DETECT_LEVEL_AUTO,
4085 WMI_CCA_DETECT_MARGIN_AUTO);
4087 ath10k_warn(ar, "failed to enable adaptive cca: %d\n",
4093 param = ar->wmi.pdev_param->ani_enable;
4094 ret = ath10k_wmi_pdev_set_param(ar, param, 1);
4096 ath10k_warn(ar, "failed to enable ani by default: %d\n",
4101 ar->ani_enabled = true;
4103 if (test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map)) {
4104 param = ar->wmi.pdev_param->peer_stats_update_period;
4105 ret = ath10k_wmi_pdev_set_param(ar, param,
4106 PEER_DEFAULT_STATS_UPDATE_PERIOD);
4109 "failed to set peer stats period : %d\n",
4115 ar->num_started_vdevs = 0;
4116 ath10k_regd_update(ar);
4118 ath10k_spectral_start(ar);
4119 ath10k_thermal_set_throttling(ar);
4121 mutex_unlock(&ar->conf_mutex);
4125 ath10k_core_stop(ar);
4128 ath10k_hif_power_down(ar);
4131 ar->state = ATH10K_STATE_OFF;
4134 mutex_unlock(&ar->conf_mutex);
4138 static void ath10k_stop(struct ieee80211_hw *hw)
4140 struct ath10k *ar = hw->priv;
4142 ath10k_drain_tx(ar);
4144 mutex_lock(&ar->conf_mutex);
4145 if (ar->state != ATH10K_STATE_OFF) {
4147 ar->state = ATH10K_STATE_OFF;
4149 mutex_unlock(&ar->conf_mutex);
4151 cancel_delayed_work_sync(&ar->scan.timeout);
4152 cancel_work_sync(&ar->restart_work);
4155 static int ath10k_config_ps(struct ath10k *ar)
4157 struct ath10k_vif *arvif;
4160 lockdep_assert_held(&ar->conf_mutex);
4162 list_for_each_entry(arvif, &ar->arvifs, list) {
4163 ret = ath10k_mac_vif_setup_ps(arvif);
4165 ath10k_warn(ar, "failed to setup powersave: %d\n", ret);
4173 static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower)
4178 lockdep_assert_held(&ar->conf_mutex);
4180 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower);
4182 param = ar->wmi.pdev_param->txpower_limit2g;
4183 ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
4185 ath10k_warn(ar, "failed to set 2g txpower %d: %d\n",
4190 param = ar->wmi.pdev_param->txpower_limit5g;
4191 ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
4193 ath10k_warn(ar, "failed to set 5g txpower %d: %d\n",
4201 static int ath10k_mac_txpower_recalc(struct ath10k *ar)
4203 struct ath10k_vif *arvif;
4204 int ret, txpower = -1;
4206 lockdep_assert_held(&ar->conf_mutex);
4208 list_for_each_entry(arvif, &ar->arvifs, list) {
4209 WARN_ON(arvif->txpower < 0);
4212 txpower = arvif->txpower;
4214 txpower = min(txpower, arvif->txpower);
4217 if (WARN_ON(txpower == -1))
4220 ret = ath10k_mac_txpower_setup(ar, txpower);
4222 ath10k_warn(ar, "failed to setup tx power %d: %d\n",
4230 static int ath10k_config(struct ieee80211_hw *hw, u32 changed)
4232 struct ath10k *ar = hw->priv;
4233 struct ieee80211_conf *conf = &hw->conf;
4236 mutex_lock(&ar->conf_mutex);
4238 if (changed & IEEE80211_CONF_CHANGE_PS)
4239 ath10k_config_ps(ar);
4241 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
4242 ar->monitor = conf->flags & IEEE80211_CONF_MONITOR;
4243 ret = ath10k_monitor_recalc(ar);
4245 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4248 mutex_unlock(&ar->conf_mutex);
4252 static u32 get_nss_from_chainmask(u16 chain_mask)
4254 if ((chain_mask & 0xf) == 0xf)
4256 else if ((chain_mask & 0x7) == 0x7)
4258 else if ((chain_mask & 0x3) == 0x3)
4263 static int ath10k_mac_set_txbf_conf(struct ath10k_vif *arvif)
4266 struct ath10k *ar = arvif->ar;
4270 if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_BEFORE_ASSOC)
4273 nsts = ath10k_mac_get_vht_cap_bf_sts(ar);
4274 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
4275 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE))
4276 value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET);
4278 sound_dim = ath10k_mac_get_vht_cap_bf_sound_dim(ar);
4279 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
4280 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE))
4281 value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET);
4286 if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
4287 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
4289 if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
4290 value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFER |
4291 WMI_VDEV_PARAM_TXBF_SU_TX_BFER);
4293 if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
4294 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
4296 if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
4297 value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFEE |
4298 WMI_VDEV_PARAM_TXBF_SU_TX_BFEE);
4300 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
4301 ar->wmi.vdev_param->txbf, value);
4306 * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE,
4307 * because we will send mgmt frames without CCK. This requirement
4308 * for P2P_FIND/GO_NEG should be handled by checking CCK flag
4311 static int ath10k_add_interface(struct ieee80211_hw *hw,
4312 struct ieee80211_vif *vif)
4314 struct ath10k *ar = hw->priv;
4315 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4316 enum wmi_sta_powersave_param param;
4323 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
4325 mutex_lock(&ar->conf_mutex);
4327 memset(arvif, 0, sizeof(*arvif));
4332 INIT_LIST_HEAD(&arvif->list);
4333 INIT_WORK(&arvif->ap_csa_work, ath10k_mac_vif_ap_csa_work);
4334 INIT_DELAYED_WORK(&arvif->connection_loss_work,
4335 ath10k_mac_vif_sta_connection_loss_work);
4337 for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) {
4338 arvif->bitrate_mask.control[i].legacy = 0xffffffff;
4339 memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff,
4340 sizeof(arvif->bitrate_mask.control[i].ht_mcs));
4341 memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff,
4342 sizeof(arvif->bitrate_mask.control[i].vht_mcs));
4345 if (ar->num_peers >= ar->max_num_peers) {
4346 ath10k_warn(ar, "refusing vdev creation due to insufficient peer entry resources in firmware\n");
4351 if (ar->free_vdev_map == 0) {
4352 ath10k_warn(ar, "Free vdev map is empty, no more interfaces allowed.\n");
4356 bit = __ffs64(ar->free_vdev_map);
4358 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n",
4359 bit, ar->free_vdev_map);
4361 arvif->vdev_id = bit;
4362 arvif->vdev_subtype =
4363 ath10k_wmi_get_vdev_subtype(ar, WMI_VDEV_SUBTYPE_NONE);
4365 switch (vif->type) {
4366 case NL80211_IFTYPE_P2P_DEVICE:
4367 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4368 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
4369 (ar, WMI_VDEV_SUBTYPE_P2P_DEVICE);
4371 case NL80211_IFTYPE_UNSPECIFIED:
4372 case NL80211_IFTYPE_STATION:
4373 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4375 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
4376 (ar, WMI_VDEV_SUBTYPE_P2P_CLIENT);
4378 case NL80211_IFTYPE_ADHOC:
4379 arvif->vdev_type = WMI_VDEV_TYPE_IBSS;
4381 case NL80211_IFTYPE_MESH_POINT:
4382 if (test_bit(WMI_SERVICE_MESH_11S, ar->wmi.svc_map)) {
4383 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
4384 (ar, WMI_VDEV_SUBTYPE_MESH_11S);
4385 } else if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
4387 ath10k_warn(ar, "must load driver with rawmode=1 to add mesh interfaces\n");
4390 arvif->vdev_type = WMI_VDEV_TYPE_AP;
4392 case NL80211_IFTYPE_AP:
4393 arvif->vdev_type = WMI_VDEV_TYPE_AP;
4396 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
4397 (ar, WMI_VDEV_SUBTYPE_P2P_GO);
4399 case NL80211_IFTYPE_MONITOR:
4400 arvif->vdev_type = WMI_VDEV_TYPE_MONITOR;
4407 /* Using vdev_id as queue number will make it very easy to do per-vif
4408 * tx queue locking. This shouldn't wrap due to interface combinations
4409 * but do a modulo for correctness sake and prevent using offchannel tx
4410 * queues for regular vif tx.
4412 vif->cab_queue = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
4413 for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++)
4414 vif->hw_queue[i] = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
4416 /* Some firmware revisions don't wait for beacon tx completion before
4417 * sending another SWBA event. This could lead to hardware using old
4418 * (freed) beacon data in some cases, e.g. tx credit starvation
4419 * combined with missed TBTT. This is very very rare.
4421 * On non-IOMMU-enabled hosts this could be a possible security issue
4422 * because hw could beacon some random data on the air. On
4423 * IOMMU-enabled hosts DMAR faults would occur in most cases and target
4424 * device would crash.
4426 * Since there are no beacon tx completions (implicit nor explicit)
4427 * propagated to host the only workaround for this is to allocate a
4428 * DMA-coherent buffer for a lifetime of a vif and use it for all
4429 * beacon tx commands. Worst case for this approach is some beacons may
4430 * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap.
4432 if (vif->type == NL80211_IFTYPE_ADHOC ||
4433 vif->type == NL80211_IFTYPE_MESH_POINT ||
4434 vif->type == NL80211_IFTYPE_AP) {
4435 arvif->beacon_buf = dma_zalloc_coherent(ar->dev,
4436 IEEE80211_MAX_FRAME_LEN,
4437 &arvif->beacon_paddr,
4439 if (!arvif->beacon_buf) {
4441 ath10k_warn(ar, "failed to allocate beacon buffer: %d\n",
4446 if (test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags))
4447 arvif->nohwcrypt = true;
4449 if (arvif->nohwcrypt &&
4450 !test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
4451 ath10k_warn(ar, "cryptmode module param needed for sw crypto\n");
4455 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n",
4456 arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype,
4457 arvif->beacon_buf ? "single-buf" : "per-skb");
4459 ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type,
4460 arvif->vdev_subtype, vif->addr);
4462 ath10k_warn(ar, "failed to create WMI vdev %i: %d\n",
4463 arvif->vdev_id, ret);
4467 ar->free_vdev_map &= ~(1LL << arvif->vdev_id);
4468 list_add(&arvif->list, &ar->arvifs);
4470 /* It makes no sense to have firmware do keepalives. mac80211 already
4471 * takes care of this with idle connection polling.
4473 ret = ath10k_mac_vif_disable_keepalive(arvif);
4475 ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n",
4476 arvif->vdev_id, ret);
4477 goto err_vdev_delete;
4480 arvif->def_wep_key_idx = -1;
4482 vdev_param = ar->wmi.vdev_param->tx_encap_type;
4483 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4484 ATH10K_HW_TXRX_NATIVE_WIFI);
4485 /* 10.X firmware does not support this VDEV parameter. Do not warn */
4486 if (ret && ret != -EOPNOTSUPP) {
4487 ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n",
4488 arvif->vdev_id, ret);
4489 goto err_vdev_delete;
4492 if (ar->cfg_tx_chainmask) {
4493 u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask);
4495 vdev_param = ar->wmi.vdev_param->nss;
4496 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4499 ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n",
4500 arvif->vdev_id, ar->cfg_tx_chainmask, nss,
4502 goto err_vdev_delete;
4506 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4507 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4508 ret = ath10k_peer_create(ar, arvif->vdev_id, vif->addr,
4509 WMI_PEER_TYPE_DEFAULT);
4511 ath10k_warn(ar, "failed to create vdev %i peer for AP/IBSS: %d\n",
4512 arvif->vdev_id, ret);
4513 goto err_vdev_delete;
4517 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
4518 ret = ath10k_mac_set_kickout(arvif);
4520 ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n",
4521 arvif->vdev_id, ret);
4522 goto err_peer_delete;
4526 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) {
4527 param = WMI_STA_PS_PARAM_RX_WAKE_POLICY;
4528 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
4529 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
4532 ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n",
4533 arvif->vdev_id, ret);
4534 goto err_peer_delete;
4537 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
4539 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
4540 arvif->vdev_id, ret);
4541 goto err_peer_delete;
4544 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
4546 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
4547 arvif->vdev_id, ret);
4548 goto err_peer_delete;
4552 ret = ath10k_mac_set_txbf_conf(arvif);
4554 ath10k_warn(ar, "failed to set txbf for vdev %d: %d\n",
4555 arvif->vdev_id, ret);
4556 goto err_peer_delete;
4559 ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold);
4561 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
4562 arvif->vdev_id, ret);
4563 goto err_peer_delete;
4566 arvif->txpower = vif->bss_conf.txpower;
4567 ret = ath10k_mac_txpower_recalc(ar);
4569 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
4570 goto err_peer_delete;
4573 if (vif->type == NL80211_IFTYPE_MONITOR) {
4574 ar->monitor_arvif = arvif;
4575 ret = ath10k_monitor_recalc(ar);
4577 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4578 goto err_peer_delete;
4582 spin_lock_bh(&ar->htt.tx_lock);
4584 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
4585 spin_unlock_bh(&ar->htt.tx_lock);
4587 mutex_unlock(&ar->conf_mutex);
4591 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4592 arvif->vdev_type == WMI_VDEV_TYPE_IBSS)
4593 ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr);
4596 ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
4597 ar->free_vdev_map |= 1LL << arvif->vdev_id;
4598 list_del(&arvif->list);
4601 if (arvif->beacon_buf) {
4602 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
4603 arvif->beacon_buf, arvif->beacon_paddr);
4604 arvif->beacon_buf = NULL;
4607 mutex_unlock(&ar->conf_mutex);
4612 static void ath10k_mac_vif_tx_unlock_all(struct ath10k_vif *arvif)
4616 for (i = 0; i < BITS_PER_LONG; i++)
4617 ath10k_mac_vif_tx_unlock(arvif, i);
4620 static void ath10k_remove_interface(struct ieee80211_hw *hw,
4621 struct ieee80211_vif *vif)
4623 struct ath10k *ar = hw->priv;
4624 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4627 cancel_work_sync(&arvif->ap_csa_work);
4628 cancel_delayed_work_sync(&arvif->connection_loss_work);
4630 mutex_lock(&ar->conf_mutex);
4632 spin_lock_bh(&ar->data_lock);
4633 ath10k_mac_vif_beacon_cleanup(arvif);
4634 spin_unlock_bh(&ar->data_lock);
4636 ret = ath10k_spectral_vif_stop(arvif);
4638 ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n",
4639 arvif->vdev_id, ret);
4641 ar->free_vdev_map |= 1LL << arvif->vdev_id;
4642 list_del(&arvif->list);
4644 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4645 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4646 ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id,
4649 ath10k_warn(ar, "failed to submit AP/IBSS self-peer removal on vdev %i: %d\n",
4650 arvif->vdev_id, ret);
4652 kfree(arvif->u.ap.noa_data);
4655 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n",
4658 ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
4660 ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n",
4661 arvif->vdev_id, ret);
4663 /* Some firmware revisions don't notify host about self-peer removal
4664 * until after associated vdev is deleted.
4666 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4667 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4668 ret = ath10k_wait_for_peer_deleted(ar, arvif->vdev_id,
4671 ath10k_warn(ar, "failed to remove AP self-peer on vdev %i: %d\n",
4672 arvif->vdev_id, ret);
4674 spin_lock_bh(&ar->data_lock);
4676 spin_unlock_bh(&ar->data_lock);
4679 ath10k_peer_cleanup(ar, arvif->vdev_id);
4681 if (vif->type == NL80211_IFTYPE_MONITOR) {
4682 ar->monitor_arvif = NULL;
4683 ret = ath10k_monitor_recalc(ar);
4685 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4688 spin_lock_bh(&ar->htt.tx_lock);
4689 ath10k_mac_vif_tx_unlock_all(arvif);
4690 spin_unlock_bh(&ar->htt.tx_lock);
4692 mutex_unlock(&ar->conf_mutex);
4696 * FIXME: Has to be verified.
4698 #define SUPPORTED_FILTERS \
4703 FIF_BCN_PRBRESP_PROMISC | \
4707 static void ath10k_configure_filter(struct ieee80211_hw *hw,
4708 unsigned int changed_flags,
4709 unsigned int *total_flags,
4712 struct ath10k *ar = hw->priv;
4715 mutex_lock(&ar->conf_mutex);
4717 changed_flags &= SUPPORTED_FILTERS;
4718 *total_flags &= SUPPORTED_FILTERS;
4719 ar->filter_flags = *total_flags;
4721 ret = ath10k_monitor_recalc(ar);
4723 ath10k_warn(ar, "failed to recalc montior: %d\n", ret);
4725 mutex_unlock(&ar->conf_mutex);
4728 static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
4729 struct ieee80211_vif *vif,
4730 struct ieee80211_bss_conf *info,
4733 struct ath10k *ar = hw->priv;
4734 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4736 u32 vdev_param, pdev_param, slottime, preamble;
4738 mutex_lock(&ar->conf_mutex);
4740 if (changed & BSS_CHANGED_IBSS)
4741 ath10k_control_ibss(arvif, info, vif->addr);
4743 if (changed & BSS_CHANGED_BEACON_INT) {
4744 arvif->beacon_interval = info->beacon_int;
4745 vdev_param = ar->wmi.vdev_param->beacon_interval;
4746 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4747 arvif->beacon_interval);
4748 ath10k_dbg(ar, ATH10K_DBG_MAC,
4749 "mac vdev %d beacon_interval %d\n",
4750 arvif->vdev_id, arvif->beacon_interval);
4753 ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n",
4754 arvif->vdev_id, ret);
4757 if (changed & BSS_CHANGED_BEACON) {
4758 ath10k_dbg(ar, ATH10K_DBG_MAC,
4759 "vdev %d set beacon tx mode to staggered\n",
4762 pdev_param = ar->wmi.pdev_param->beacon_tx_mode;
4763 ret = ath10k_wmi_pdev_set_param(ar, pdev_param,
4764 WMI_BEACON_STAGGERED_MODE);
4766 ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n",
4767 arvif->vdev_id, ret);
4769 ret = ath10k_mac_setup_bcn_tmpl(arvif);
4771 ath10k_warn(ar, "failed to update beacon template: %d\n",
4774 if (ieee80211_vif_is_mesh(vif)) {
4775 /* mesh doesn't use SSID but firmware needs it */
4776 strncpy(arvif->u.ap.ssid, "mesh",
4777 sizeof(arvif->u.ap.ssid));
4778 arvif->u.ap.ssid_len = 4;
4782 if (changed & BSS_CHANGED_AP_PROBE_RESP) {
4783 ret = ath10k_mac_setup_prb_tmpl(arvif);
4785 ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n",
4786 arvif->vdev_id, ret);
4789 if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) {
4790 arvif->dtim_period = info->dtim_period;
4792 ath10k_dbg(ar, ATH10K_DBG_MAC,
4793 "mac vdev %d dtim_period %d\n",
4794 arvif->vdev_id, arvif->dtim_period);
4796 vdev_param = ar->wmi.vdev_param->dtim_period;
4797 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4798 arvif->dtim_period);
4800 ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n",
4801 arvif->vdev_id, ret);
4804 if (changed & BSS_CHANGED_SSID &&
4805 vif->type == NL80211_IFTYPE_AP) {
4806 arvif->u.ap.ssid_len = info->ssid_len;
4808 memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len);
4809 arvif->u.ap.hidden_ssid = info->hidden_ssid;
4812 if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid))
4813 ether_addr_copy(arvif->bssid, info->bssid);
4815 if (changed & BSS_CHANGED_BEACON_ENABLED)
4816 ath10k_control_beaconing(arvif, info);
4818 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
4819 arvif->use_cts_prot = info->use_cts_prot;
4820 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d cts_prot %d\n",
4821 arvif->vdev_id, info->use_cts_prot);
4823 ret = ath10k_recalc_rtscts_prot(arvif);
4825 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
4826 arvif->vdev_id, ret);
4828 vdev_param = ar->wmi.vdev_param->protection_mode;
4829 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4830 info->use_cts_prot ? 1 : 0);
4832 ath10k_warn(ar, "failed to set protection mode %d on vdev %i: %d\n",
4833 info->use_cts_prot, arvif->vdev_id, ret);
4836 if (changed & BSS_CHANGED_ERP_SLOT) {
4837 if (info->use_short_slot)
4838 slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */
4841 slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */
4843 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n",
4844 arvif->vdev_id, slottime);
4846 vdev_param = ar->wmi.vdev_param->slot_time;
4847 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4850 ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n",
4851 arvif->vdev_id, ret);
4854 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
4855 if (info->use_short_preamble)
4856 preamble = WMI_VDEV_PREAMBLE_SHORT;
4858 preamble = WMI_VDEV_PREAMBLE_LONG;
4860 ath10k_dbg(ar, ATH10K_DBG_MAC,
4861 "mac vdev %d preamble %dn",
4862 arvif->vdev_id, preamble);
4864 vdev_param = ar->wmi.vdev_param->preamble;
4865 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4868 ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n",
4869 arvif->vdev_id, ret);
4872 if (changed & BSS_CHANGED_ASSOC) {
4874 /* Workaround: Make sure monitor vdev is not running
4875 * when associating to prevent some firmware revisions
4876 * (e.g. 10.1 and 10.2) from crashing.
4878 if (ar->monitor_started)
4879 ath10k_monitor_stop(ar);
4880 ath10k_bss_assoc(hw, vif, info);
4881 ath10k_monitor_recalc(ar);
4883 ath10k_bss_disassoc(hw, vif);
4887 if (changed & BSS_CHANGED_TXPOWER) {
4888 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n",
4889 arvif->vdev_id, info->txpower);
4891 arvif->txpower = info->txpower;
4892 ret = ath10k_mac_txpower_recalc(ar);
4894 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
4897 if (changed & BSS_CHANGED_PS) {
4898 arvif->ps = vif->bss_conf.ps;
4900 ret = ath10k_config_ps(ar);
4902 ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n",
4903 arvif->vdev_id, ret);
4906 mutex_unlock(&ar->conf_mutex);
4909 static int ath10k_hw_scan(struct ieee80211_hw *hw,
4910 struct ieee80211_vif *vif,
4911 struct ieee80211_scan_request *hw_req)
4913 struct ath10k *ar = hw->priv;
4914 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4915 struct cfg80211_scan_request *req = &hw_req->req;
4916 struct wmi_start_scan_arg arg;
4920 mutex_lock(&ar->conf_mutex);
4922 spin_lock_bh(&ar->data_lock);
4923 switch (ar->scan.state) {
4924 case ATH10K_SCAN_IDLE:
4925 reinit_completion(&ar->scan.started);
4926 reinit_completion(&ar->scan.completed);
4927 ar->scan.state = ATH10K_SCAN_STARTING;
4928 ar->scan.is_roc = false;
4929 ar->scan.vdev_id = arvif->vdev_id;
4932 case ATH10K_SCAN_STARTING:
4933 case ATH10K_SCAN_RUNNING:
4934 case ATH10K_SCAN_ABORTING:
4938 spin_unlock_bh(&ar->data_lock);
4943 memset(&arg, 0, sizeof(arg));
4944 ath10k_wmi_start_scan_init(ar, &arg);
4945 arg.vdev_id = arvif->vdev_id;
4946 arg.scan_id = ATH10K_SCAN_ID;
4949 arg.ie_len = req->ie_len;
4950 memcpy(arg.ie, req->ie, arg.ie_len);
4954 arg.n_ssids = req->n_ssids;
4955 for (i = 0; i < arg.n_ssids; i++) {
4956 arg.ssids[i].len = req->ssids[i].ssid_len;
4957 arg.ssids[i].ssid = req->ssids[i].ssid;
4960 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
4963 if (req->n_channels) {
4964 arg.n_channels = req->n_channels;
4965 for (i = 0; i < arg.n_channels; i++)
4966 arg.channels[i] = req->channels[i]->center_freq;
4969 ret = ath10k_start_scan(ar, &arg);
4971 ath10k_warn(ar, "failed to start hw scan: %d\n", ret);
4972 spin_lock_bh(&ar->data_lock);
4973 ar->scan.state = ATH10K_SCAN_IDLE;
4974 spin_unlock_bh(&ar->data_lock);
4977 /* Add a 200ms margin to account for event/command processing */
4978 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
4979 msecs_to_jiffies(arg.max_scan_time +
4983 mutex_unlock(&ar->conf_mutex);
4987 static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw,
4988 struct ieee80211_vif *vif)
4990 struct ath10k *ar = hw->priv;
4992 mutex_lock(&ar->conf_mutex);
4993 ath10k_scan_abort(ar);
4994 mutex_unlock(&ar->conf_mutex);
4996 cancel_delayed_work_sync(&ar->scan.timeout);
4999 static void ath10k_set_key_h_def_keyidx(struct ath10k *ar,
5000 struct ath10k_vif *arvif,
5001 enum set_key_cmd cmd,
5002 struct ieee80211_key_conf *key)
5004 u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid;
5007 /* 10.1 firmware branch requires default key index to be set to group
5008 * key index after installing it. Otherwise FW/HW Txes corrupted
5009 * frames with multi-vif APs. This is not required for main firmware
5010 * branch (e.g. 636).
5012 * This is also needed for 636 fw for IBSS-RSN to work more reliably.
5014 * FIXME: It remains unknown if this is required for multi-vif STA
5015 * interfaces on 10.1.
5018 if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
5019 arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
5022 if (key->cipher == WLAN_CIPHER_SUITE_WEP40)
5025 if (key->cipher == WLAN_CIPHER_SUITE_WEP104)
5028 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
5034 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5037 ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n",
5038 arvif->vdev_id, ret);
5041 static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
5042 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
5043 struct ieee80211_key_conf *key)
5045 struct ath10k *ar = hw->priv;
5046 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5047 struct ath10k_peer *peer;
5048 const u8 *peer_addr;
5049 bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
5050 key->cipher == WLAN_CIPHER_SUITE_WEP104;
5056 /* this one needs to be done in software */
5057 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
5060 if (arvif->nohwcrypt)
5063 if (key->keyidx > WMI_MAX_KEY_INDEX)
5066 mutex_lock(&ar->conf_mutex);
5069 peer_addr = sta->addr;
5070 else if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
5071 peer_addr = vif->bss_conf.bssid;
5073 peer_addr = vif->addr;
5075 key->hw_key_idx = key->keyidx;
5079 arvif->wep_keys[key->keyidx] = key;
5081 arvif->wep_keys[key->keyidx] = NULL;
5084 /* the peer should not disappear in mid-way (unless FW goes awry) since
5085 * we already hold conf_mutex. we just make sure its there now. */
5086 spin_lock_bh(&ar->data_lock);
5087 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
5088 spin_unlock_bh(&ar->data_lock);
5091 if (cmd == SET_KEY) {
5092 ath10k_warn(ar, "failed to install key for non-existent peer %pM\n",
5097 /* if the peer doesn't exist there is no key to disable
5103 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
5104 flags |= WMI_KEY_PAIRWISE;
5106 flags |= WMI_KEY_GROUP;
5109 if (cmd == DISABLE_KEY)
5110 ath10k_clear_vdev_key(arvif, key);
5112 /* When WEP keys are uploaded it's possible that there are
5113 * stations associated already (e.g. when merging) without any
5114 * keys. Static WEP needs an explicit per-peer key upload.
5116 if (vif->type == NL80211_IFTYPE_ADHOC &&
5118 ath10k_mac_vif_update_wep_key(arvif, key);
5120 /* 802.1x never sets the def_wep_key_idx so each set_key()
5121 * call changes default tx key.
5123 * Static WEP sets def_wep_key_idx via .set_default_unicast_key
5124 * after first set_key().
5126 if (cmd == SET_KEY && arvif->def_wep_key_idx == -1)
5127 flags |= WMI_KEY_TX_USAGE;
5130 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags);
5133 ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n",
5134 arvif->vdev_id, peer_addr, ret);
5138 /* mac80211 sets static WEP keys as groupwise while firmware requires
5139 * them to be installed twice as both pairwise and groupwise.
5141 if (is_wep && !sta && vif->type == NL80211_IFTYPE_STATION) {
5143 flags2 &= ~WMI_KEY_GROUP;
5144 flags2 |= WMI_KEY_PAIRWISE;
5146 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags2);
5149 ath10k_warn(ar, "failed to install (ucast) key for vdev %i peer %pM: %d\n",
5150 arvif->vdev_id, peer_addr, ret);
5151 ret2 = ath10k_install_key(arvif, key, DISABLE_KEY,
5155 ath10k_warn(ar, "failed to disable (mcast) key for vdev %i peer %pM: %d\n",
5156 arvif->vdev_id, peer_addr, ret2);
5162 ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key);
5164 spin_lock_bh(&ar->data_lock);
5165 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
5166 if (peer && cmd == SET_KEY)
5167 peer->keys[key->keyidx] = key;
5168 else if (peer && cmd == DISABLE_KEY)
5169 peer->keys[key->keyidx] = NULL;
5170 else if (peer == NULL)
5171 /* impossible unless FW goes crazy */
5172 ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr);
5173 spin_unlock_bh(&ar->data_lock);
5176 mutex_unlock(&ar->conf_mutex);
5180 static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw,
5181 struct ieee80211_vif *vif,
5184 struct ath10k *ar = hw->priv;
5185 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5188 mutex_lock(&arvif->ar->conf_mutex);
5190 if (arvif->ar->state != ATH10K_STATE_ON)
5193 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n",
5194 arvif->vdev_id, keyidx);
5196 ret = ath10k_wmi_vdev_set_param(arvif->ar,
5198 arvif->ar->wmi.vdev_param->def_keyid,
5202 ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n",
5208 arvif->def_wep_key_idx = keyidx;
5211 mutex_unlock(&arvif->ar->conf_mutex);
5214 static void ath10k_sta_rc_update_wk(struct work_struct *wk)
5217 struct ath10k_vif *arvif;
5218 struct ath10k_sta *arsta;
5219 struct ieee80211_sta *sta;
5220 struct cfg80211_chan_def def;
5221 enum ieee80211_band band;
5222 const u8 *ht_mcs_mask;
5223 const u16 *vht_mcs_mask;
5224 u32 changed, bw, nss, smps;
5227 arsta = container_of(wk, struct ath10k_sta, update_wk);
5228 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);
5229 arvif = arsta->arvif;
5232 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
5235 band = def.chan->band;
5236 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
5237 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
5239 spin_lock_bh(&ar->data_lock);
5241 changed = arsta->changed;
5248 spin_unlock_bh(&ar->data_lock);
5250 mutex_lock(&ar->conf_mutex);
5252 nss = max_t(u32, 1, nss);
5253 nss = min(nss, max(ath10k_mac_max_ht_nss(ht_mcs_mask),
5254 ath10k_mac_max_vht_nss(vht_mcs_mask)));
5256 if (changed & IEEE80211_RC_BW_CHANGED) {
5257 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d\n",
5260 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5261 WMI_PEER_CHAN_WIDTH, bw);
5263 ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n",
5264 sta->addr, bw, err);
5267 if (changed & IEEE80211_RC_NSS_CHANGED) {
5268 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM nss %d\n",
5271 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5274 ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n",
5275 sta->addr, nss, err);
5278 if (changed & IEEE80211_RC_SMPS_CHANGED) {
5279 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM smps %d\n",
5282 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5283 WMI_PEER_SMPS_STATE, smps);
5285 ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n",
5286 sta->addr, smps, err);
5289 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED ||
5290 changed & IEEE80211_RC_NSS_CHANGED) {
5291 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates/nss\n",
5294 err = ath10k_station_assoc(ar, arvif->vif, sta, true);
5296 ath10k_warn(ar, "failed to reassociate station: %pM\n",
5300 mutex_unlock(&ar->conf_mutex);
5303 static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif,
5304 struct ieee80211_sta *sta)
5306 struct ath10k *ar = arvif->ar;
5308 lockdep_assert_held(&ar->conf_mutex);
5310 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
5313 if (ar->num_stations >= ar->max_num_stations)
5321 static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif,
5322 struct ieee80211_sta *sta)
5324 struct ath10k *ar = arvif->ar;
5326 lockdep_assert_held(&ar->conf_mutex);
5328 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
5334 struct ath10k_mac_tdls_iter_data {
5335 u32 num_tdls_stations;
5336 struct ieee80211_vif *curr_vif;
5339 static void ath10k_mac_tdls_vif_stations_count_iter(void *data,
5340 struct ieee80211_sta *sta)
5342 struct ath10k_mac_tdls_iter_data *iter_data = data;
5343 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5344 struct ieee80211_vif *sta_vif = arsta->arvif->vif;
5346 if (sta->tdls && sta_vif == iter_data->curr_vif)
5347 iter_data->num_tdls_stations++;
5350 static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw,
5351 struct ieee80211_vif *vif)
5353 struct ath10k_mac_tdls_iter_data data = {};
5355 data.curr_vif = vif;
5357 ieee80211_iterate_stations_atomic(hw,
5358 ath10k_mac_tdls_vif_stations_count_iter,
5360 return data.num_tdls_stations;
5363 static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac,
5364 struct ieee80211_vif *vif)
5366 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5367 int *num_tdls_vifs = data;
5369 if (vif->type != NL80211_IFTYPE_STATION)
5372 if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0)
5376 static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw)
5378 int num_tdls_vifs = 0;
5380 ieee80211_iterate_active_interfaces_atomic(hw,
5381 IEEE80211_IFACE_ITER_NORMAL,
5382 ath10k_mac_tdls_vifs_count_iter,
5384 return num_tdls_vifs;
5387 static int ath10k_sta_state(struct ieee80211_hw *hw,
5388 struct ieee80211_vif *vif,
5389 struct ieee80211_sta *sta,
5390 enum ieee80211_sta_state old_state,
5391 enum ieee80211_sta_state new_state)
5393 struct ath10k *ar = hw->priv;
5394 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5395 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5398 if (old_state == IEEE80211_STA_NOTEXIST &&
5399 new_state == IEEE80211_STA_NONE) {
5400 memset(arsta, 0, sizeof(*arsta));
5401 arsta->arvif = arvif;
5402 INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk);
5405 /* cancel must be done outside the mutex to avoid deadlock */
5406 if ((old_state == IEEE80211_STA_NONE &&
5407 new_state == IEEE80211_STA_NOTEXIST))
5408 cancel_work_sync(&arsta->update_wk);
5410 mutex_lock(&ar->conf_mutex);
5412 if (old_state == IEEE80211_STA_NOTEXIST &&
5413 new_state == IEEE80211_STA_NONE) {
5415 * New station addition.
5417 enum wmi_peer_type peer_type = WMI_PEER_TYPE_DEFAULT;
5418 u32 num_tdls_stations;
5421 ath10k_dbg(ar, ATH10K_DBG_MAC,
5422 "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n",
5423 arvif->vdev_id, sta->addr,
5424 ar->num_stations + 1, ar->max_num_stations,
5425 ar->num_peers + 1, ar->max_num_peers);
5427 ret = ath10k_mac_inc_num_stations(arvif, sta);
5429 ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n",
5430 ar->max_num_stations);
5435 peer_type = WMI_PEER_TYPE_TDLS;
5437 ret = ath10k_peer_create(ar, arvif->vdev_id, sta->addr,
5440 ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n",
5441 sta->addr, arvif->vdev_id, ret);
5442 ath10k_mac_dec_num_stations(arvif, sta);
5449 num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif);
5450 num_tdls_vifs = ath10k_mac_tdls_vifs_count(hw);
5452 if (num_tdls_vifs >= ar->max_num_tdls_vdevs &&
5453 num_tdls_stations == 0) {
5454 ath10k_warn(ar, "vdev %i exceeded maximum number of tdls vdevs %i\n",
5455 arvif->vdev_id, ar->max_num_tdls_vdevs);
5456 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5457 ath10k_mac_dec_num_stations(arvif, sta);
5462 if (num_tdls_stations == 0) {
5463 /* This is the first tdls peer in current vif */
5464 enum wmi_tdls_state state = WMI_TDLS_ENABLE_ACTIVE;
5466 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5469 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
5470 arvif->vdev_id, ret);
5471 ath10k_peer_delete(ar, arvif->vdev_id,
5473 ath10k_mac_dec_num_stations(arvif, sta);
5478 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5479 WMI_TDLS_PEER_STATE_PEERING);
5482 "failed to update tdls peer %pM for vdev %d when adding a new sta: %i\n",
5483 sta->addr, arvif->vdev_id, ret);
5484 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5485 ath10k_mac_dec_num_stations(arvif, sta);
5487 if (num_tdls_stations != 0)
5489 ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5492 } else if ((old_state == IEEE80211_STA_NONE &&
5493 new_state == IEEE80211_STA_NOTEXIST)) {
5495 * Existing station deletion.
5497 ath10k_dbg(ar, ATH10K_DBG_MAC,
5498 "mac vdev %d peer delete %pM (sta gone)\n",
5499 arvif->vdev_id, sta->addr);
5501 ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5503 ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n",
5504 sta->addr, arvif->vdev_id, ret);
5506 ath10k_mac_dec_num_stations(arvif, sta);
5511 if (ath10k_mac_tdls_vif_stations_count(hw, vif))
5514 /* This was the last tdls peer in current vif */
5515 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5518 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
5519 arvif->vdev_id, ret);
5521 } else if (old_state == IEEE80211_STA_AUTH &&
5522 new_state == IEEE80211_STA_ASSOC &&
5523 (vif->type == NL80211_IFTYPE_AP ||
5524 vif->type == NL80211_IFTYPE_MESH_POINT ||
5525 vif->type == NL80211_IFTYPE_ADHOC)) {
5529 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n",
5532 ret = ath10k_station_assoc(ar, vif, sta, false);
5534 ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n",
5535 sta->addr, arvif->vdev_id, ret);
5536 } else if (old_state == IEEE80211_STA_ASSOC &&
5537 new_state == IEEE80211_STA_AUTHORIZED &&
5540 * Tdls station authorized.
5542 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac tdls sta %pM authorized\n",
5545 ret = ath10k_station_assoc(ar, vif, sta, false);
5547 ath10k_warn(ar, "failed to associate tdls station %pM for vdev %i: %i\n",
5548 sta->addr, arvif->vdev_id, ret);
5552 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5553 WMI_TDLS_PEER_STATE_CONNECTED);
5555 ath10k_warn(ar, "failed to update tdls peer %pM for vdev %i: %i\n",
5556 sta->addr, arvif->vdev_id, ret);
5557 } else if (old_state == IEEE80211_STA_ASSOC &&
5558 new_state == IEEE80211_STA_AUTH &&
5559 (vif->type == NL80211_IFTYPE_AP ||
5560 vif->type == NL80211_IFTYPE_MESH_POINT ||
5561 vif->type == NL80211_IFTYPE_ADHOC)) {
5565 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n",
5568 ret = ath10k_station_disassoc(ar, vif, sta);
5570 ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n",
5571 sta->addr, arvif->vdev_id, ret);
5574 mutex_unlock(&ar->conf_mutex);
5578 static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif,
5579 u16 ac, bool enable)
5581 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5582 struct wmi_sta_uapsd_auto_trig_arg arg = {};
5583 u32 prio = 0, acc = 0;
5587 lockdep_assert_held(&ar->conf_mutex);
5589 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
5593 case IEEE80211_AC_VO:
5594 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |
5595 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;
5599 case IEEE80211_AC_VI:
5600 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |
5601 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;
5605 case IEEE80211_AC_BE:
5606 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |
5607 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;
5611 case IEEE80211_AC_BK:
5612 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |
5613 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;
5620 arvif->u.sta.uapsd |= value;
5622 arvif->u.sta.uapsd &= ~value;
5624 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5625 WMI_STA_PS_PARAM_UAPSD,
5626 arvif->u.sta.uapsd);
5628 ath10k_warn(ar, "failed to set uapsd params: %d\n", ret);
5632 if (arvif->u.sta.uapsd)
5633 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD;
5635 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
5637 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5638 WMI_STA_PS_PARAM_RX_WAKE_POLICY,
5641 ath10k_warn(ar, "failed to set rx wake param: %d\n", ret);
5643 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
5645 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
5646 arvif->vdev_id, ret);
5650 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
5652 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
5653 arvif->vdev_id, ret);
5657 if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) ||
5658 test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) {
5659 /* Only userspace can make an educated decision when to send
5660 * trigger frame. The following effectively disables u-UAPSD
5661 * autotrigger in firmware (which is enabled by default
5662 * provided the autotrigger service is available).
5666 arg.user_priority = prio;
5667 arg.service_interval = 0;
5668 arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
5669 arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
5671 ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id,
5672 arvif->bssid, &arg, 1);
5674 ath10k_warn(ar, "failed to set uapsd auto trigger %d\n",
5684 static int ath10k_conf_tx(struct ieee80211_hw *hw,
5685 struct ieee80211_vif *vif, u16 ac,
5686 const struct ieee80211_tx_queue_params *params)
5688 struct ath10k *ar = hw->priv;
5689 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5690 struct wmi_wmm_params_arg *p = NULL;
5693 mutex_lock(&ar->conf_mutex);
5696 case IEEE80211_AC_VO:
5697 p = &arvif->wmm_params.ac_vo;
5699 case IEEE80211_AC_VI:
5700 p = &arvif->wmm_params.ac_vi;
5702 case IEEE80211_AC_BE:
5703 p = &arvif->wmm_params.ac_be;
5705 case IEEE80211_AC_BK:
5706 p = &arvif->wmm_params.ac_bk;
5715 p->cwmin = params->cw_min;
5716 p->cwmax = params->cw_max;
5717 p->aifs = params->aifs;
5720 * The channel time duration programmed in the HW is in absolute
5721 * microseconds, while mac80211 gives the txop in units of
5724 p->txop = params->txop * 32;
5726 if (ar->wmi.ops->gen_vdev_wmm_conf) {
5727 ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id,
5728 &arvif->wmm_params);
5730 ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n",
5731 arvif->vdev_id, ret);
5735 /* This won't work well with multi-interface cases but it's
5736 * better than nothing.
5738 ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params);
5740 ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
5745 ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd);
5747 ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret);
5750 mutex_unlock(&ar->conf_mutex);
5754 #define ATH10K_ROC_TIMEOUT_HZ (2*HZ)
5756 static int ath10k_remain_on_channel(struct ieee80211_hw *hw,
5757 struct ieee80211_vif *vif,
5758 struct ieee80211_channel *chan,
5760 enum ieee80211_roc_type type)
5762 struct ath10k *ar = hw->priv;
5763 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5764 struct wmi_start_scan_arg arg;
5768 mutex_lock(&ar->conf_mutex);
5770 spin_lock_bh(&ar->data_lock);
5771 switch (ar->scan.state) {
5772 case ATH10K_SCAN_IDLE:
5773 reinit_completion(&ar->scan.started);
5774 reinit_completion(&ar->scan.completed);
5775 reinit_completion(&ar->scan.on_channel);
5776 ar->scan.state = ATH10K_SCAN_STARTING;
5777 ar->scan.is_roc = true;
5778 ar->scan.vdev_id = arvif->vdev_id;
5779 ar->scan.roc_freq = chan->center_freq;
5780 ar->scan.roc_notify = true;
5783 case ATH10K_SCAN_STARTING:
5784 case ATH10K_SCAN_RUNNING:
5785 case ATH10K_SCAN_ABORTING:
5789 spin_unlock_bh(&ar->data_lock);
5794 scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2;
5796 memset(&arg, 0, sizeof(arg));
5797 ath10k_wmi_start_scan_init(ar, &arg);
5798 arg.vdev_id = arvif->vdev_id;
5799 arg.scan_id = ATH10K_SCAN_ID;
5801 arg.channels[0] = chan->center_freq;
5802 arg.dwell_time_active = scan_time_msec;
5803 arg.dwell_time_passive = scan_time_msec;
5804 arg.max_scan_time = scan_time_msec;
5805 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
5806 arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ;
5807 arg.burst_duration_ms = duration;
5809 ret = ath10k_start_scan(ar, &arg);
5811 ath10k_warn(ar, "failed to start roc scan: %d\n", ret);
5812 spin_lock_bh(&ar->data_lock);
5813 ar->scan.state = ATH10K_SCAN_IDLE;
5814 spin_unlock_bh(&ar->data_lock);
5818 ret = wait_for_completion_timeout(&ar->scan.on_channel, 3*HZ);
5820 ath10k_warn(ar, "failed to switch to channel for roc scan\n");
5822 ret = ath10k_scan_stop(ar);
5824 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
5830 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
5831 msecs_to_jiffies(duration));
5835 mutex_unlock(&ar->conf_mutex);
5839 static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw)
5841 struct ath10k *ar = hw->priv;
5843 mutex_lock(&ar->conf_mutex);
5845 spin_lock_bh(&ar->data_lock);
5846 ar->scan.roc_notify = false;
5847 spin_unlock_bh(&ar->data_lock);
5849 ath10k_scan_abort(ar);
5851 mutex_unlock(&ar->conf_mutex);
5853 cancel_delayed_work_sync(&ar->scan.timeout);
5859 * Both RTS and Fragmentation threshold are interface-specific
5860 * in ath10k, but device-specific in mac80211.
5863 static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
5865 struct ath10k *ar = hw->priv;
5866 struct ath10k_vif *arvif;
5869 mutex_lock(&ar->conf_mutex);
5870 list_for_each_entry(arvif, &ar->arvifs, list) {
5871 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n",
5872 arvif->vdev_id, value);
5874 ret = ath10k_mac_set_rts(arvif, value);
5876 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
5877 arvif->vdev_id, ret);
5881 mutex_unlock(&ar->conf_mutex);
5886 static int ath10k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
5888 /* Even though there's a WMI enum for fragmentation threshold no known
5889 * firmware actually implements it. Moreover it is not possible to rely
5890 * frame fragmentation to mac80211 because firmware clears the "more
5891 * fragments" bit in frame control making it impossible for remote
5892 * devices to reassemble frames.
5894 * Hence implement a dummy callback just to say fragmentation isn't
5895 * supported. This effectively prevents mac80211 from doing frame
5896 * fragmentation in software.
5901 static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
5902 u32 queues, bool drop)
5904 struct ath10k *ar = hw->priv;
5908 /* mac80211 doesn't care if we really xmit queued frames or not
5909 * we'll collect those frames either way if we stop/delete vdevs */
5913 mutex_lock(&ar->conf_mutex);
5915 if (ar->state == ATH10K_STATE_WEDGED)
5918 time_left = wait_event_timeout(ar->htt.empty_tx_wq, ({
5921 spin_lock_bh(&ar->htt.tx_lock);
5922 empty = (ar->htt.num_pending_tx == 0);
5923 spin_unlock_bh(&ar->htt.tx_lock);
5925 skip = (ar->state == ATH10K_STATE_WEDGED) ||
5926 test_bit(ATH10K_FLAG_CRASH_FLUSH,
5930 }), ATH10K_FLUSH_TIMEOUT_HZ);
5932 if (time_left == 0 || skip)
5933 ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %ld\n",
5934 skip, ar->state, time_left);
5937 mutex_unlock(&ar->conf_mutex);
5940 /* TODO: Implement this function properly
5941 * For now it is needed to reply to Probe Requests in IBSS mode.
5942 * Propably we need this information from FW.
5944 static int ath10k_tx_last_beacon(struct ieee80211_hw *hw)
5949 static void ath10k_reconfig_complete(struct ieee80211_hw *hw,
5950 enum ieee80211_reconfig_type reconfig_type)
5952 struct ath10k *ar = hw->priv;
5954 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)
5957 mutex_lock(&ar->conf_mutex);
5959 /* If device failed to restart it will be in a different state, e.g.
5960 * ATH10K_STATE_WEDGED */
5961 if (ar->state == ATH10K_STATE_RESTARTED) {
5962 ath10k_info(ar, "device successfully recovered\n");
5963 ar->state = ATH10K_STATE_ON;
5964 ieee80211_wake_queues(ar->hw);
5967 mutex_unlock(&ar->conf_mutex);
5970 static int ath10k_get_survey(struct ieee80211_hw *hw, int idx,
5971 struct survey_info *survey)
5973 struct ath10k *ar = hw->priv;
5974 struct ieee80211_supported_band *sband;
5975 struct survey_info *ar_survey = &ar->survey[idx];
5978 mutex_lock(&ar->conf_mutex);
5980 sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ];
5981 if (sband && idx >= sband->n_channels) {
5982 idx -= sband->n_channels;
5987 sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ];
5989 if (!sband || idx >= sband->n_channels) {
5994 spin_lock_bh(&ar->data_lock);
5995 memcpy(survey, ar_survey, sizeof(*survey));
5996 spin_unlock_bh(&ar->data_lock);
5998 survey->channel = &sband->channels[idx];
6000 if (ar->rx_channel == survey->channel)
6001 survey->filled |= SURVEY_INFO_IN_USE;
6004 mutex_unlock(&ar->conf_mutex);
6009 ath10k_mac_bitrate_mask_has_single_rate(struct ath10k *ar,
6010 enum ieee80211_band band,
6011 const struct cfg80211_bitrate_mask *mask)
6016 num_rates += hweight32(mask->control[band].legacy);
6018 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++)
6019 num_rates += hweight8(mask->control[band].ht_mcs[i]);
6021 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++)
6022 num_rates += hweight16(mask->control[band].vht_mcs[i]);
6024 return num_rates == 1;
6028 ath10k_mac_bitrate_mask_get_single_nss(struct ath10k *ar,
6029 enum ieee80211_band band,
6030 const struct cfg80211_bitrate_mask *mask,
6033 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
6034 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
6036 u8 vht_nss_mask = 0;
6039 if (mask->control[band].legacy)
6042 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
6043 if (mask->control[band].ht_mcs[i] == 0)
6045 else if (mask->control[band].ht_mcs[i] ==
6046 sband->ht_cap.mcs.rx_mask[i])
6047 ht_nss_mask |= BIT(i);
6052 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
6053 if (mask->control[band].vht_mcs[i] == 0)
6055 else if (mask->control[band].vht_mcs[i] ==
6056 ath10k_mac_get_max_vht_mcs_map(vht_mcs_map, i))
6057 vht_nss_mask |= BIT(i);
6062 if (ht_nss_mask != vht_nss_mask)
6065 if (ht_nss_mask == 0)
6068 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask)
6071 *nss = fls(ht_nss_mask);
6077 ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar,
6078 enum ieee80211_band band,
6079 const struct cfg80211_bitrate_mask *mask,
6082 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
6089 if (hweight32(mask->control[band].legacy) == 1) {
6090 rate_idx = ffs(mask->control[band].legacy) - 1;
6092 hw_rate = sband->bitrates[rate_idx].hw_value;
6093 bitrate = sband->bitrates[rate_idx].bitrate;
6095 if (ath10k_mac_bitrate_is_cck(bitrate))
6096 preamble = WMI_RATE_PREAMBLE_CCK;
6098 preamble = WMI_RATE_PREAMBLE_OFDM;
6101 *rate = preamble << 6 |
6108 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
6109 if (hweight8(mask->control[band].ht_mcs[i]) == 1) {
6111 *rate = WMI_RATE_PREAMBLE_HT << 6 |
6113 (ffs(mask->control[band].ht_mcs[i]) - 1);
6119 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
6120 if (hweight16(mask->control[band].vht_mcs[i]) == 1) {
6122 *rate = WMI_RATE_PREAMBLE_VHT << 6 |
6124 (ffs(mask->control[band].vht_mcs[i]) - 1);
6133 static int ath10k_mac_set_fixed_rate_params(struct ath10k_vif *arvif,
6134 u8 rate, u8 nss, u8 sgi, u8 ldpc)
6136 struct ath10k *ar = arvif->ar;
6140 lockdep_assert_held(&ar->conf_mutex);
6142 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02hhx nss %hhu sgi %hhu\n",
6143 arvif->vdev_id, rate, nss, sgi);
6145 vdev_param = ar->wmi.vdev_param->fixed_rate;
6146 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, rate);
6148 ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n",
6153 vdev_param = ar->wmi.vdev_param->nss;
6154 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, nss);
6156 ath10k_warn(ar, "failed to set nss param %d: %d\n", nss, ret);
6160 vdev_param = ar->wmi.vdev_param->sgi;
6161 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, sgi);
6163 ath10k_warn(ar, "failed to set sgi param %d: %d\n", sgi, ret);
6167 vdev_param = ar->wmi.vdev_param->ldpc;
6168 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, ldpc);
6170 ath10k_warn(ar, "failed to set ldpc param %d: %d\n", ldpc, ret);
6178 ath10k_mac_can_set_bitrate_mask(struct ath10k *ar,
6179 enum ieee80211_band band,
6180 const struct cfg80211_bitrate_mask *mask)
6185 /* Due to firmware limitation in WMI_PEER_ASSOC_CMDID it is impossible
6186 * to express all VHT MCS rate masks. Effectively only the following
6187 * ranges can be used: none, 0-7, 0-8 and 0-9.
6189 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
6190 vht_mcs = mask->control[band].vht_mcs[i];
6199 ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n");
6207 static void ath10k_mac_set_bitrate_mask_iter(void *data,
6208 struct ieee80211_sta *sta)
6210 struct ath10k_vif *arvif = data;
6211 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
6212 struct ath10k *ar = arvif->ar;
6214 if (arsta->arvif != arvif)
6217 spin_lock_bh(&ar->data_lock);
6218 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
6219 spin_unlock_bh(&ar->data_lock);
6221 ieee80211_queue_work(ar->hw, &arsta->update_wk);
6224 static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
6225 struct ieee80211_vif *vif,
6226 const struct cfg80211_bitrate_mask *mask)
6228 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6229 struct cfg80211_chan_def def;
6230 struct ath10k *ar = arvif->ar;
6231 enum ieee80211_band band;
6232 const u8 *ht_mcs_mask;
6233 const u16 *vht_mcs_mask;
6241 if (ath10k_mac_vif_chan(vif, &def))
6244 band = def.chan->band;
6245 ht_mcs_mask = mask->control[band].ht_mcs;
6246 vht_mcs_mask = mask->control[band].vht_mcs;
6247 ldpc = !!(ar->ht_cap_info & WMI_HT_CAP_LDPC);
6249 sgi = mask->control[band].gi;
6250 if (sgi == NL80211_TXRATE_FORCE_LGI)
6253 if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask)) {
6254 ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask,
6257 ath10k_warn(ar, "failed to get single rate for vdev %i: %d\n",
6258 arvif->vdev_id, ret);
6261 } else if (ath10k_mac_bitrate_mask_get_single_nss(ar, band, mask,
6263 rate = WMI_FIXED_RATE_NONE;
6266 rate = WMI_FIXED_RATE_NONE;
6267 nss = min(ar->num_rf_chains,
6268 max(ath10k_mac_max_ht_nss(ht_mcs_mask),
6269 ath10k_mac_max_vht_nss(vht_mcs_mask)));
6271 if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask))
6274 mutex_lock(&ar->conf_mutex);
6276 arvif->bitrate_mask = *mask;
6277 ieee80211_iterate_stations_atomic(ar->hw,
6278 ath10k_mac_set_bitrate_mask_iter,
6281 mutex_unlock(&ar->conf_mutex);
6284 mutex_lock(&ar->conf_mutex);
6286 ret = ath10k_mac_set_fixed_rate_params(arvif, rate, nss, sgi, ldpc);
6288 ath10k_warn(ar, "failed to set fixed rate params on vdev %i: %d\n",
6289 arvif->vdev_id, ret);
6294 mutex_unlock(&ar->conf_mutex);
6299 static void ath10k_sta_rc_update(struct ieee80211_hw *hw,
6300 struct ieee80211_vif *vif,
6301 struct ieee80211_sta *sta,
6304 struct ath10k *ar = hw->priv;
6305 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
6308 spin_lock_bh(&ar->data_lock);
6310 ath10k_dbg(ar, ATH10K_DBG_MAC,
6311 "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n",
6312 sta->addr, changed, sta->bandwidth, sta->rx_nss,
6315 if (changed & IEEE80211_RC_BW_CHANGED) {
6316 bw = WMI_PEER_CHWIDTH_20MHZ;
6318 switch (sta->bandwidth) {
6319 case IEEE80211_STA_RX_BW_20:
6320 bw = WMI_PEER_CHWIDTH_20MHZ;
6322 case IEEE80211_STA_RX_BW_40:
6323 bw = WMI_PEER_CHWIDTH_40MHZ;
6325 case IEEE80211_STA_RX_BW_80:
6326 bw = WMI_PEER_CHWIDTH_80MHZ;
6328 case IEEE80211_STA_RX_BW_160:
6329 ath10k_warn(ar, "Invalid bandwidth %d in rc update for %pM\n",
6330 sta->bandwidth, sta->addr);
6331 bw = WMI_PEER_CHWIDTH_20MHZ;
6338 if (changed & IEEE80211_RC_NSS_CHANGED)
6339 arsta->nss = sta->rx_nss;
6341 if (changed & IEEE80211_RC_SMPS_CHANGED) {
6342 smps = WMI_PEER_SMPS_PS_NONE;
6344 switch (sta->smps_mode) {
6345 case IEEE80211_SMPS_AUTOMATIC:
6346 case IEEE80211_SMPS_OFF:
6347 smps = WMI_PEER_SMPS_PS_NONE;
6349 case IEEE80211_SMPS_STATIC:
6350 smps = WMI_PEER_SMPS_STATIC;
6352 case IEEE80211_SMPS_DYNAMIC:
6353 smps = WMI_PEER_SMPS_DYNAMIC;
6355 case IEEE80211_SMPS_NUM_MODES:
6356 ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n",
6357 sta->smps_mode, sta->addr);
6358 smps = WMI_PEER_SMPS_PS_NONE;
6365 arsta->changed |= changed;
6367 spin_unlock_bh(&ar->data_lock);
6369 ieee80211_queue_work(hw, &arsta->update_wk);
6372 static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
6375 * FIXME: Return 0 for time being. Need to figure out whether FW
6376 * has the API to fetch 64-bit local TSF
6382 static int ath10k_ampdu_action(struct ieee80211_hw *hw,
6383 struct ieee80211_vif *vif,
6384 struct ieee80211_ampdu_params *params)
6386 struct ath10k *ar = hw->priv;
6387 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6388 struct ieee80211_sta *sta = params->sta;
6389 enum ieee80211_ampdu_mlme_action action = params->action;
6390 u16 tid = params->tid;
6392 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n",
6393 arvif->vdev_id, sta->addr, tid, action);
6396 case IEEE80211_AMPDU_RX_START:
6397 case IEEE80211_AMPDU_RX_STOP:
6398 /* HTT AddBa/DelBa events trigger mac80211 Rx BA session
6399 * creation/removal. Do we need to verify this?
6402 case IEEE80211_AMPDU_TX_START:
6403 case IEEE80211_AMPDU_TX_STOP_CONT:
6404 case IEEE80211_AMPDU_TX_STOP_FLUSH:
6405 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
6406 case IEEE80211_AMPDU_TX_OPERATIONAL:
6407 /* Firmware offloads Tx aggregation entirely so deny mac80211
6408 * Tx aggregation requests.
6417 ath10k_mac_update_rx_channel(struct ath10k *ar,
6418 struct ieee80211_chanctx_conf *ctx,
6419 struct ieee80211_vif_chanctx_switch *vifs,
6422 struct cfg80211_chan_def *def = NULL;
6424 /* Both locks are required because ar->rx_channel is modified. This
6425 * allows readers to hold either lock.
6427 lockdep_assert_held(&ar->conf_mutex);
6428 lockdep_assert_held(&ar->data_lock);
6430 WARN_ON(ctx && vifs);
6431 WARN_ON(vifs && n_vifs != 1);
6433 /* FIXME: Sort of an optimization and a workaround. Peers and vifs are
6434 * on a linked list now. Doing a lookup peer -> vif -> chanctx for each
6435 * ppdu on Rx may reduce performance on low-end systems. It should be
6436 * possible to make tables/hashmaps to speed the lookup up (be vary of
6437 * cpu data cache lines though regarding sizes) but to keep the initial
6438 * implementation simple and less intrusive fallback to the slow lookup
6439 * only for multi-channel cases. Single-channel cases will remain to
6440 * use the old channel derival and thus performance should not be
6444 if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) {
6445 ieee80211_iter_chan_contexts_atomic(ar->hw,
6446 ath10k_mac_get_any_chandef_iter,
6450 def = &vifs[0].new_ctx->def;
6452 ar->rx_channel = def->chan;
6453 } else if (ctx && ath10k_mac_num_chanctxs(ar) == 0) {
6454 ar->rx_channel = ctx->def.chan;
6456 ar->rx_channel = NULL;
6462 ath10k_mac_update_vif_chan(struct ath10k *ar,
6463 struct ieee80211_vif_chanctx_switch *vifs,
6466 struct ath10k_vif *arvif;
6470 lockdep_assert_held(&ar->conf_mutex);
6472 /* First stop monitor interface. Some FW versions crash if there's a
6473 * lone monitor interface.
6475 if (ar->monitor_started)
6476 ath10k_monitor_stop(ar);
6478 for (i = 0; i < n_vifs; i++) {
6479 arvif = ath10k_vif_to_arvif(vifs[i].vif);
6481 ath10k_dbg(ar, ATH10K_DBG_MAC,
6482 "mac chanctx switch vdev_id %i freq %hu->%hu width %d->%d\n",
6484 vifs[i].old_ctx->def.chan->center_freq,
6485 vifs[i].new_ctx->def.chan->center_freq,
6486 vifs[i].old_ctx->def.width,
6487 vifs[i].new_ctx->def.width);
6489 if (WARN_ON(!arvif->is_started))
6492 if (WARN_ON(!arvif->is_up))
6495 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
6497 ath10k_warn(ar, "failed to down vdev %d: %d\n",
6498 arvif->vdev_id, ret);
6503 /* All relevant vdevs are downed and associated channel resources
6504 * should be available for the channel switch now.
6507 spin_lock_bh(&ar->data_lock);
6508 ath10k_mac_update_rx_channel(ar, NULL, vifs, n_vifs);
6509 spin_unlock_bh(&ar->data_lock);
6511 for (i = 0; i < n_vifs; i++) {
6512 arvif = ath10k_vif_to_arvif(vifs[i].vif);
6514 if (WARN_ON(!arvif->is_started))
6517 if (WARN_ON(!arvif->is_up))
6520 ret = ath10k_mac_setup_bcn_tmpl(arvif);
6522 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
6525 ret = ath10k_mac_setup_prb_tmpl(arvif);
6527 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
6530 ret = ath10k_vdev_restart(arvif, &vifs[i].new_ctx->def);
6532 ath10k_warn(ar, "failed to restart vdev %d: %d\n",
6533 arvif->vdev_id, ret);
6537 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
6540 ath10k_warn(ar, "failed to bring vdev up %d: %d\n",
6541 arvif->vdev_id, ret);
6546 ath10k_monitor_recalc(ar);
6550 ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw,
6551 struct ieee80211_chanctx_conf *ctx)
6553 struct ath10k *ar = hw->priv;
6555 ath10k_dbg(ar, ATH10K_DBG_MAC,
6556 "mac chanctx add freq %hu width %d ptr %p\n",
6557 ctx->def.chan->center_freq, ctx->def.width, ctx);
6559 mutex_lock(&ar->conf_mutex);
6561 spin_lock_bh(&ar->data_lock);
6562 ath10k_mac_update_rx_channel(ar, ctx, NULL, 0);
6563 spin_unlock_bh(&ar->data_lock);
6565 ath10k_recalc_radar_detection(ar);
6566 ath10k_monitor_recalc(ar);
6568 mutex_unlock(&ar->conf_mutex);
6574 ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw,
6575 struct ieee80211_chanctx_conf *ctx)
6577 struct ath10k *ar = hw->priv;
6579 ath10k_dbg(ar, ATH10K_DBG_MAC,
6580 "mac chanctx remove freq %hu width %d ptr %p\n",
6581 ctx->def.chan->center_freq, ctx->def.width, ctx);
6583 mutex_lock(&ar->conf_mutex);
6585 spin_lock_bh(&ar->data_lock);
6586 ath10k_mac_update_rx_channel(ar, NULL, NULL, 0);
6587 spin_unlock_bh(&ar->data_lock);
6589 ath10k_recalc_radar_detection(ar);
6590 ath10k_monitor_recalc(ar);
6592 mutex_unlock(&ar->conf_mutex);
6595 struct ath10k_mac_change_chanctx_arg {
6596 struct ieee80211_chanctx_conf *ctx;
6597 struct ieee80211_vif_chanctx_switch *vifs;
6603 ath10k_mac_change_chanctx_cnt_iter(void *data, u8 *mac,
6604 struct ieee80211_vif *vif)
6606 struct ath10k_mac_change_chanctx_arg *arg = data;
6608 if (rcu_access_pointer(vif->chanctx_conf) != arg->ctx)
6615 ath10k_mac_change_chanctx_fill_iter(void *data, u8 *mac,
6616 struct ieee80211_vif *vif)
6618 struct ath10k_mac_change_chanctx_arg *arg = data;
6619 struct ieee80211_chanctx_conf *ctx;
6621 ctx = rcu_access_pointer(vif->chanctx_conf);
6622 if (ctx != arg->ctx)
6625 if (WARN_ON(arg->next_vif == arg->n_vifs))
6628 arg->vifs[arg->next_vif].vif = vif;
6629 arg->vifs[arg->next_vif].old_ctx = ctx;
6630 arg->vifs[arg->next_vif].new_ctx = ctx;
6635 ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw,
6636 struct ieee80211_chanctx_conf *ctx,
6639 struct ath10k *ar = hw->priv;
6640 struct ath10k_mac_change_chanctx_arg arg = { .ctx = ctx };
6642 mutex_lock(&ar->conf_mutex);
6644 ath10k_dbg(ar, ATH10K_DBG_MAC,
6645 "mac chanctx change freq %hu width %d ptr %p changed %x\n",
6646 ctx->def.chan->center_freq, ctx->def.width, ctx, changed);
6648 /* This shouldn't really happen because channel switching should use
6649 * switch_vif_chanctx().
6651 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL))
6654 if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH) {
6655 ieee80211_iterate_active_interfaces_atomic(
6657 IEEE80211_IFACE_ITER_NORMAL,
6658 ath10k_mac_change_chanctx_cnt_iter,
6660 if (arg.n_vifs == 0)
6663 arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]),
6668 ieee80211_iterate_active_interfaces_atomic(
6670 IEEE80211_IFACE_ITER_NORMAL,
6671 ath10k_mac_change_chanctx_fill_iter,
6673 ath10k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs);
6678 ath10k_recalc_radar_detection(ar);
6680 /* FIXME: How to configure Rx chains properly? */
6682 /* No other actions are actually necessary. Firmware maintains channel
6683 * definitions per vdev internally and there's no host-side channel
6684 * context abstraction to configure, e.g. channel width.
6688 mutex_unlock(&ar->conf_mutex);
6692 ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
6693 struct ieee80211_vif *vif,
6694 struct ieee80211_chanctx_conf *ctx)
6696 struct ath10k *ar = hw->priv;
6697 struct ath10k_vif *arvif = (void *)vif->drv_priv;
6700 mutex_lock(&ar->conf_mutex);
6702 ath10k_dbg(ar, ATH10K_DBG_MAC,
6703 "mac chanctx assign ptr %p vdev_id %i\n",
6704 ctx, arvif->vdev_id);
6706 if (WARN_ON(arvif->is_started)) {
6707 mutex_unlock(&ar->conf_mutex);
6711 ret = ath10k_vdev_start(arvif, &ctx->def);
6713 ath10k_warn(ar, "failed to start vdev %i addr %pM on freq %d: %d\n",
6714 arvif->vdev_id, vif->addr,
6715 ctx->def.chan->center_freq, ret);
6719 arvif->is_started = true;
6721 ret = ath10k_mac_vif_setup_ps(arvif);
6723 ath10k_warn(ar, "failed to update vdev %i ps: %d\n",
6724 arvif->vdev_id, ret);
6728 if (vif->type == NL80211_IFTYPE_MONITOR) {
6729 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr);
6731 ath10k_warn(ar, "failed to up monitor vdev %i: %d\n",
6732 arvif->vdev_id, ret);
6736 arvif->is_up = true;
6739 mutex_unlock(&ar->conf_mutex);
6743 ath10k_vdev_stop(arvif);
6744 arvif->is_started = false;
6745 ath10k_mac_vif_setup_ps(arvif);
6748 mutex_unlock(&ar->conf_mutex);
6753 ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,
6754 struct ieee80211_vif *vif,
6755 struct ieee80211_chanctx_conf *ctx)
6757 struct ath10k *ar = hw->priv;
6758 struct ath10k_vif *arvif = (void *)vif->drv_priv;
6761 mutex_lock(&ar->conf_mutex);
6763 ath10k_dbg(ar, ATH10K_DBG_MAC,
6764 "mac chanctx unassign ptr %p vdev_id %i\n",
6765 ctx, arvif->vdev_id);
6767 WARN_ON(!arvif->is_started);
6769 if (vif->type == NL80211_IFTYPE_MONITOR) {
6770 WARN_ON(!arvif->is_up);
6772 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
6774 ath10k_warn(ar, "failed to down monitor vdev %i: %d\n",
6775 arvif->vdev_id, ret);
6777 arvif->is_up = false;
6780 ret = ath10k_vdev_stop(arvif);
6782 ath10k_warn(ar, "failed to stop vdev %i: %d\n",
6783 arvif->vdev_id, ret);
6785 arvif->is_started = false;
6787 mutex_unlock(&ar->conf_mutex);
6791 ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
6792 struct ieee80211_vif_chanctx_switch *vifs,
6794 enum ieee80211_chanctx_switch_mode mode)
6796 struct ath10k *ar = hw->priv;
6798 mutex_lock(&ar->conf_mutex);
6800 ath10k_dbg(ar, ATH10K_DBG_MAC,
6801 "mac chanctx switch n_vifs %d mode %d\n",
6803 ath10k_mac_update_vif_chan(ar, vifs, n_vifs);
6805 mutex_unlock(&ar->conf_mutex);
6809 static const struct ieee80211_ops ath10k_ops = {
6811 .start = ath10k_start,
6812 .stop = ath10k_stop,
6813 .config = ath10k_config,
6814 .add_interface = ath10k_add_interface,
6815 .remove_interface = ath10k_remove_interface,
6816 .configure_filter = ath10k_configure_filter,
6817 .bss_info_changed = ath10k_bss_info_changed,
6818 .hw_scan = ath10k_hw_scan,
6819 .cancel_hw_scan = ath10k_cancel_hw_scan,
6820 .set_key = ath10k_set_key,
6821 .set_default_unicast_key = ath10k_set_default_unicast_key,
6822 .sta_state = ath10k_sta_state,
6823 .conf_tx = ath10k_conf_tx,
6824 .remain_on_channel = ath10k_remain_on_channel,
6825 .cancel_remain_on_channel = ath10k_cancel_remain_on_channel,
6826 .set_rts_threshold = ath10k_set_rts_threshold,
6827 .set_frag_threshold = ath10k_mac_op_set_frag_threshold,
6828 .flush = ath10k_flush,
6829 .tx_last_beacon = ath10k_tx_last_beacon,
6830 .set_antenna = ath10k_set_antenna,
6831 .get_antenna = ath10k_get_antenna,
6832 .reconfig_complete = ath10k_reconfig_complete,
6833 .get_survey = ath10k_get_survey,
6834 .set_bitrate_mask = ath10k_mac_op_set_bitrate_mask,
6835 .sta_rc_update = ath10k_sta_rc_update,
6836 .get_tsf = ath10k_get_tsf,
6837 .ampdu_action = ath10k_ampdu_action,
6838 .get_et_sset_count = ath10k_debug_get_et_sset_count,
6839 .get_et_stats = ath10k_debug_get_et_stats,
6840 .get_et_strings = ath10k_debug_get_et_strings,
6841 .add_chanctx = ath10k_mac_op_add_chanctx,
6842 .remove_chanctx = ath10k_mac_op_remove_chanctx,
6843 .change_chanctx = ath10k_mac_op_change_chanctx,
6844 .assign_vif_chanctx = ath10k_mac_op_assign_vif_chanctx,
6845 .unassign_vif_chanctx = ath10k_mac_op_unassign_vif_chanctx,
6846 .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx,
6848 CFG80211_TESTMODE_CMD(ath10k_tm_cmd)
6851 .suspend = ath10k_wow_op_suspend,
6852 .resume = ath10k_wow_op_resume,
6854 #ifdef CONFIG_MAC80211_DEBUGFS
6855 .sta_add_debugfs = ath10k_sta_add_debugfs,
6859 #define CHAN2G(_channel, _freq, _flags) { \
6860 .band = IEEE80211_BAND_2GHZ, \
6861 .hw_value = (_channel), \
6862 .center_freq = (_freq), \
6863 .flags = (_flags), \
6864 .max_antenna_gain = 0, \
6868 #define CHAN5G(_channel, _freq, _flags) { \
6869 .band = IEEE80211_BAND_5GHZ, \
6870 .hw_value = (_channel), \
6871 .center_freq = (_freq), \
6872 .flags = (_flags), \
6873 .max_antenna_gain = 0, \
6877 static const struct ieee80211_channel ath10k_2ghz_channels[] = {
6887 CHAN2G(10, 2457, 0),
6888 CHAN2G(11, 2462, 0),
6889 CHAN2G(12, 2467, 0),
6890 CHAN2G(13, 2472, 0),
6891 CHAN2G(14, 2484, 0),
6894 static const struct ieee80211_channel ath10k_5ghz_channels[] = {
6895 CHAN5G(36, 5180, 0),
6896 CHAN5G(40, 5200, 0),
6897 CHAN5G(44, 5220, 0),
6898 CHAN5G(48, 5240, 0),
6899 CHAN5G(52, 5260, 0),
6900 CHAN5G(56, 5280, 0),
6901 CHAN5G(60, 5300, 0),
6902 CHAN5G(64, 5320, 0),
6903 CHAN5G(100, 5500, 0),
6904 CHAN5G(104, 5520, 0),
6905 CHAN5G(108, 5540, 0),
6906 CHAN5G(112, 5560, 0),
6907 CHAN5G(116, 5580, 0),
6908 CHAN5G(120, 5600, 0),
6909 CHAN5G(124, 5620, 0),
6910 CHAN5G(128, 5640, 0),
6911 CHAN5G(132, 5660, 0),
6912 CHAN5G(136, 5680, 0),
6913 CHAN5G(140, 5700, 0),
6914 CHAN5G(144, 5720, 0),
6915 CHAN5G(149, 5745, 0),
6916 CHAN5G(153, 5765, 0),
6917 CHAN5G(157, 5785, 0),
6918 CHAN5G(161, 5805, 0),
6919 CHAN5G(165, 5825, 0),
6922 struct ath10k *ath10k_mac_create(size_t priv_size)
6924 struct ieee80211_hw *hw;
6927 hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, &ath10k_ops);
6937 void ath10k_mac_destroy(struct ath10k *ar)
6939 ieee80211_free_hw(ar->hw);
6942 static const struct ieee80211_iface_limit ath10k_if_limits[] = {
6945 .types = BIT(NL80211_IFTYPE_STATION)
6946 | BIT(NL80211_IFTYPE_P2P_CLIENT)
6950 .types = BIT(NL80211_IFTYPE_P2P_GO)
6954 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
6958 .types = BIT(NL80211_IFTYPE_AP)
6959 #ifdef CONFIG_MAC80211_MESH
6960 | BIT(NL80211_IFTYPE_MESH_POINT)
6965 static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = {
6968 .types = BIT(NL80211_IFTYPE_AP)
6969 #ifdef CONFIG_MAC80211_MESH
6970 | BIT(NL80211_IFTYPE_MESH_POINT)
6975 .types = BIT(NL80211_IFTYPE_STATION)
6979 static const struct ieee80211_iface_combination ath10k_if_comb[] = {
6981 .limits = ath10k_if_limits,
6982 .n_limits = ARRAY_SIZE(ath10k_if_limits),
6983 .max_interfaces = 8,
6984 .num_different_channels = 1,
6985 .beacon_int_infra_match = true,
6989 static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = {
6991 .limits = ath10k_10x_if_limits,
6992 .n_limits = ARRAY_SIZE(ath10k_10x_if_limits),
6993 .max_interfaces = 8,
6994 .num_different_channels = 1,
6995 .beacon_int_infra_match = true,
6996 #ifdef CONFIG_ATH10K_DFS_CERTIFIED
6997 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
6998 BIT(NL80211_CHAN_WIDTH_20) |
6999 BIT(NL80211_CHAN_WIDTH_40) |
7000 BIT(NL80211_CHAN_WIDTH_80),
7005 static const struct ieee80211_iface_limit ath10k_tlv_if_limit[] = {
7008 .types = BIT(NL80211_IFTYPE_STATION),
7012 .types = BIT(NL80211_IFTYPE_AP) |
7013 #ifdef CONFIG_MAC80211_MESH
7014 BIT(NL80211_IFTYPE_MESH_POINT) |
7016 BIT(NL80211_IFTYPE_P2P_CLIENT) |
7017 BIT(NL80211_IFTYPE_P2P_GO),
7021 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
7025 static const struct ieee80211_iface_limit ath10k_tlv_qcs_if_limit[] = {
7028 .types = BIT(NL80211_IFTYPE_STATION),
7032 .types = BIT(NL80211_IFTYPE_P2P_CLIENT),
7036 .types = BIT(NL80211_IFTYPE_AP) |
7037 #ifdef CONFIG_MAC80211_MESH
7038 BIT(NL80211_IFTYPE_MESH_POINT) |
7040 BIT(NL80211_IFTYPE_P2P_GO),
7044 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
7048 static const struct ieee80211_iface_limit ath10k_tlv_if_limit_ibss[] = {
7051 .types = BIT(NL80211_IFTYPE_STATION),
7055 .types = BIT(NL80211_IFTYPE_ADHOC),
7059 /* FIXME: This is not thouroughly tested. These combinations may over- or
7060 * underestimate hw/fw capabilities.
7062 static struct ieee80211_iface_combination ath10k_tlv_if_comb[] = {
7064 .limits = ath10k_tlv_if_limit,
7065 .num_different_channels = 1,
7066 .max_interfaces = 4,
7067 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
7070 .limits = ath10k_tlv_if_limit_ibss,
7071 .num_different_channels = 1,
7072 .max_interfaces = 2,
7073 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
7077 static struct ieee80211_iface_combination ath10k_tlv_qcs_if_comb[] = {
7079 .limits = ath10k_tlv_if_limit,
7080 .num_different_channels = 1,
7081 .max_interfaces = 4,
7082 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
7085 .limits = ath10k_tlv_qcs_if_limit,
7086 .num_different_channels = 2,
7087 .max_interfaces = 4,
7088 .n_limits = ARRAY_SIZE(ath10k_tlv_qcs_if_limit),
7091 .limits = ath10k_tlv_if_limit_ibss,
7092 .num_different_channels = 1,
7093 .max_interfaces = 2,
7094 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
7098 static const struct ieee80211_iface_limit ath10k_10_4_if_limits[] = {
7101 .types = BIT(NL80211_IFTYPE_STATION),
7105 .types = BIT(NL80211_IFTYPE_AP)
7106 #ifdef CONFIG_MAC80211_MESH
7107 | BIT(NL80211_IFTYPE_MESH_POINT)
7112 static const struct ieee80211_iface_combination ath10k_10_4_if_comb[] = {
7114 .limits = ath10k_10_4_if_limits,
7115 .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits),
7116 .max_interfaces = 16,
7117 .num_different_channels = 1,
7118 .beacon_int_infra_match = true,
7119 #ifdef CONFIG_ATH10K_DFS_CERTIFIED
7120 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
7121 BIT(NL80211_CHAN_WIDTH_20) |
7122 BIT(NL80211_CHAN_WIDTH_40) |
7123 BIT(NL80211_CHAN_WIDTH_80),
7128 static void ath10k_get_arvif_iter(void *data, u8 *mac,
7129 struct ieee80211_vif *vif)
7131 struct ath10k_vif_iter *arvif_iter = data;
7132 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
7134 if (arvif->vdev_id == arvif_iter->vdev_id)
7135 arvif_iter->arvif = arvif;
7138 struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id)
7140 struct ath10k_vif_iter arvif_iter;
7143 memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter));
7144 arvif_iter.vdev_id = vdev_id;
7146 flags = IEEE80211_IFACE_ITER_RESUME_ALL;
7147 ieee80211_iterate_active_interfaces_atomic(ar->hw,
7149 ath10k_get_arvif_iter,
7151 if (!arvif_iter.arvif) {
7152 ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id);
7156 return arvif_iter.arvif;
7159 int ath10k_mac_register(struct ath10k *ar)
7161 static const u32 cipher_suites[] = {
7162 WLAN_CIPHER_SUITE_WEP40,
7163 WLAN_CIPHER_SUITE_WEP104,
7164 WLAN_CIPHER_SUITE_TKIP,
7165 WLAN_CIPHER_SUITE_CCMP,
7166 WLAN_CIPHER_SUITE_AES_CMAC,
7168 struct ieee80211_supported_band *band;
7172 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr);
7174 SET_IEEE80211_DEV(ar->hw, ar->dev);
7176 BUILD_BUG_ON((ARRAY_SIZE(ath10k_2ghz_channels) +
7177 ARRAY_SIZE(ath10k_5ghz_channels)) !=
7180 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
7181 channels = kmemdup(ath10k_2ghz_channels,
7182 sizeof(ath10k_2ghz_channels),
7189 band = &ar->mac.sbands[IEEE80211_BAND_2GHZ];
7190 band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels);
7191 band->channels = channels;
7192 band->n_bitrates = ath10k_g_rates_size;
7193 band->bitrates = ath10k_g_rates;
7195 ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
7198 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
7199 channels = kmemdup(ath10k_5ghz_channels,
7200 sizeof(ath10k_5ghz_channels),
7207 band = &ar->mac.sbands[IEEE80211_BAND_5GHZ];
7208 band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels);
7209 band->channels = channels;
7210 band->n_bitrates = ath10k_a_rates_size;
7211 band->bitrates = ath10k_a_rates;
7212 ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
7215 ath10k_mac_setup_ht_vht_cap(ar);
7217 ar->hw->wiphy->interface_modes =
7218 BIT(NL80211_IFTYPE_STATION) |
7219 BIT(NL80211_IFTYPE_AP) |
7220 BIT(NL80211_IFTYPE_MESH_POINT);
7222 ar->hw->wiphy->available_antennas_rx = ar->cfg_rx_chainmask;
7223 ar->hw->wiphy->available_antennas_tx = ar->cfg_tx_chainmask;
7225 if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features))
7226 ar->hw->wiphy->interface_modes |=
7227 BIT(NL80211_IFTYPE_P2P_DEVICE) |
7228 BIT(NL80211_IFTYPE_P2P_CLIENT) |
7229 BIT(NL80211_IFTYPE_P2P_GO);
7231 ieee80211_hw_set(ar->hw, SIGNAL_DBM);
7232 ieee80211_hw_set(ar->hw, SUPPORTS_PS);
7233 ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS);
7234 ieee80211_hw_set(ar->hw, MFP_CAPABLE);
7235 ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS);
7236 ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL);
7237 ieee80211_hw_set(ar->hw, AP_LINK_PS);
7238 ieee80211_hw_set(ar->hw, SPECTRUM_MGMT);
7239 ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT);
7240 ieee80211_hw_set(ar->hw, CONNECTION_MONITOR);
7241 ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK);
7242 ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF);
7243 ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA);
7244 ieee80211_hw_set(ar->hw, QUEUE_CONTROL);
7246 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
7247 ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL);
7249 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;
7250 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
7252 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
7253 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS;
7255 if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) {
7256 ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION);
7257 ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW);
7260 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID;
7261 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
7263 ar->hw->vif_data_size = sizeof(struct ath10k_vif);
7264 ar->hw->sta_data_size = sizeof(struct ath10k_sta);
7266 ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL;
7268 if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) {
7269 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
7271 /* Firmware delivers WPS/P2P Probe Requests frames to driver so
7272 * that userspace (e.g. wpa_supplicant/hostapd) can generate
7273 * correct Probe Responses. This is more of a hack advert..
7275 ar->hw->wiphy->probe_resp_offload |=
7276 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
7277 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
7278 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
7281 if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map))
7282 ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
7284 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
7285 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
7286 ar->hw->wiphy->max_remain_on_channel_duration = 5000;
7288 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
7289 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE;
7291 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations;
7293 ret = ath10k_wow_init(ar);
7295 ath10k_warn(ar, "failed to init wow: %d\n", ret);
7299 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
7302 * on LL hardware queues are managed entirely by the FW
7303 * so we only advertise to mac we can do the queues thing
7305 ar->hw->queues = IEEE80211_MAX_QUEUES;
7307 /* vdev_ids are used as hw queue numbers. Make sure offchan tx queue is
7308 * something that vdev_ids can't reach so that we don't stop the queue
7311 ar->hw->offchannel_tx_hw_queue = IEEE80211_MAX_QUEUES - 1;
7313 switch (ar->wmi.op_version) {
7314 case ATH10K_FW_WMI_OP_VERSION_MAIN:
7315 ar->hw->wiphy->iface_combinations = ath10k_if_comb;
7316 ar->hw->wiphy->n_iface_combinations =
7317 ARRAY_SIZE(ath10k_if_comb);
7318 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
7320 case ATH10K_FW_WMI_OP_VERSION_TLV:
7321 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
7322 ar->hw->wiphy->iface_combinations =
7323 ath10k_tlv_qcs_if_comb;
7324 ar->hw->wiphy->n_iface_combinations =
7325 ARRAY_SIZE(ath10k_tlv_qcs_if_comb);
7327 ar->hw->wiphy->iface_combinations = ath10k_tlv_if_comb;
7328 ar->hw->wiphy->n_iface_combinations =
7329 ARRAY_SIZE(ath10k_tlv_if_comb);
7331 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
7333 case ATH10K_FW_WMI_OP_VERSION_10_1:
7334 case ATH10K_FW_WMI_OP_VERSION_10_2:
7335 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
7336 ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb;
7337 ar->hw->wiphy->n_iface_combinations =
7338 ARRAY_SIZE(ath10k_10x_if_comb);
7340 case ATH10K_FW_WMI_OP_VERSION_10_4:
7341 ar->hw->wiphy->iface_combinations = ath10k_10_4_if_comb;
7342 ar->hw->wiphy->n_iface_combinations =
7343 ARRAY_SIZE(ath10k_10_4_if_comb);
7345 case ATH10K_FW_WMI_OP_VERSION_UNSET:
7346 case ATH10K_FW_WMI_OP_VERSION_MAX:
7352 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
7353 ar->hw->netdev_features = NETIF_F_HW_CSUM;
7355 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
7356 /* Init ath dfs pattern detector */
7357 ar->ath_common.debug_mask = ATH_DBG_DFS;
7358 ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common,
7361 if (!ar->dfs_detector)
7362 ath10k_warn(ar, "failed to initialise DFS pattern detector\n");
7365 ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy,
7366 ath10k_reg_notifier);
7368 ath10k_err(ar, "failed to initialise regulatory: %i\n", ret);
7369 goto err_dfs_detector_exit;
7372 ar->hw->wiphy->cipher_suites = cipher_suites;
7373 ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
7375 ret = ieee80211_register_hw(ar->hw);
7377 ath10k_err(ar, "failed to register ieee80211: %d\n", ret);
7378 goto err_dfs_detector_exit;
7381 if (!ath_is_world_regd(&ar->ath_common.regulatory)) {
7382 ret = regulatory_hint(ar->hw->wiphy,
7383 ar->ath_common.regulatory.alpha2);
7385 goto err_unregister;
7391 ieee80211_unregister_hw(ar->hw);
7393 err_dfs_detector_exit:
7394 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
7395 ar->dfs_detector->exit(ar->dfs_detector);
7398 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7399 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7401 SET_IEEE80211_DEV(ar->hw, NULL);
7405 void ath10k_mac_unregister(struct ath10k *ar)
7407 ieee80211_unregister_hw(ar->hw);
7409 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
7410 ar->dfs_detector->exit(ar->dfs_detector);
7412 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7413 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7415 SET_IEEE80211_DEV(ar->hw, NULL);