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 (rate->hw_value == hw_rate)
103 else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE &&
104 rate->hw_value_short == hw_rate)
111 u8 ath10k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband,
116 for (i = 0; i < sband->n_bitrates; i++)
117 if (sband->bitrates[i].bitrate == bitrate)
123 static int ath10k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss)
125 switch ((mcs_map >> (2 * nss)) & 0x3) {
126 case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1;
127 case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1;
128 case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1;
134 ath10k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
138 for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--)
139 if (ht_mcs_mask[nss])
146 ath10k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
150 for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--)
151 if (vht_mcs_mask[nss])
161 static int ath10k_send_key(struct ath10k_vif *arvif,
162 struct ieee80211_key_conf *key,
163 enum set_key_cmd cmd,
164 const u8 *macaddr, u32 flags)
166 struct ath10k *ar = arvif->ar;
167 struct wmi_vdev_install_key_arg arg = {
168 .vdev_id = arvif->vdev_id,
169 .key_idx = key->keyidx,
170 .key_len = key->keylen,
171 .key_data = key->key,
176 lockdep_assert_held(&arvif->ar->conf_mutex);
178 switch (key->cipher) {
179 case WLAN_CIPHER_SUITE_CCMP:
180 arg.key_cipher = WMI_CIPHER_AES_CCM;
181 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;
183 case WLAN_CIPHER_SUITE_TKIP:
184 arg.key_cipher = WMI_CIPHER_TKIP;
185 arg.key_txmic_len = 8;
186 arg.key_rxmic_len = 8;
188 case WLAN_CIPHER_SUITE_WEP40:
189 case WLAN_CIPHER_SUITE_WEP104:
190 arg.key_cipher = WMI_CIPHER_WEP;
192 case WLAN_CIPHER_SUITE_AES_CMAC:
196 ath10k_warn(ar, "cipher %d is not supported\n", key->cipher);
200 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
201 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
203 if (cmd == DISABLE_KEY) {
204 arg.key_cipher = WMI_CIPHER_NONE;
208 return ath10k_wmi_vdev_install_key(arvif->ar, &arg);
211 static int ath10k_install_key(struct ath10k_vif *arvif,
212 struct ieee80211_key_conf *key,
213 enum set_key_cmd cmd,
214 const u8 *macaddr, u32 flags)
216 struct ath10k *ar = arvif->ar;
218 unsigned long time_left;
220 lockdep_assert_held(&ar->conf_mutex);
222 reinit_completion(&ar->install_key_done);
224 if (arvif->nohwcrypt)
227 ret = ath10k_send_key(arvif, key, cmd, macaddr, flags);
231 time_left = wait_for_completion_timeout(&ar->install_key_done, 3 * HZ);
238 static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif,
241 struct ath10k *ar = arvif->ar;
242 struct ath10k_peer *peer;
247 lockdep_assert_held(&ar->conf_mutex);
249 if (WARN_ON(arvif->vif->type != NL80211_IFTYPE_AP &&
250 arvif->vif->type != NL80211_IFTYPE_ADHOC))
253 spin_lock_bh(&ar->data_lock);
254 peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
255 spin_unlock_bh(&ar->data_lock);
260 for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) {
261 if (arvif->wep_keys[i] == NULL)
264 switch (arvif->vif->type) {
265 case NL80211_IFTYPE_AP:
266 flags = WMI_KEY_PAIRWISE;
268 if (arvif->def_wep_key_idx == i)
269 flags |= WMI_KEY_TX_USAGE;
271 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
272 SET_KEY, addr, flags);
276 case NL80211_IFTYPE_ADHOC:
277 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
283 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
284 SET_KEY, addr, WMI_KEY_GROUP);
293 spin_lock_bh(&ar->data_lock);
294 peer->keys[i] = arvif->wep_keys[i];
295 spin_unlock_bh(&ar->data_lock);
298 /* In some cases (notably with static WEP IBSS with multiple keys)
299 * multicast Tx becomes broken. Both pairwise and groupwise keys are
300 * installed already. Using WMI_KEY_TX_USAGE in different combinations
301 * didn't seem help. Using def_keyid vdev parameter seems to be
302 * effective so use that.
304 * FIXME: Revisit. Perhaps this can be done in a less hacky way.
306 if (arvif->vif->type != NL80211_IFTYPE_ADHOC)
309 if (arvif->def_wep_key_idx == -1)
312 ret = ath10k_wmi_vdev_set_param(arvif->ar,
314 arvif->ar->wmi.vdev_param->def_keyid,
315 arvif->def_wep_key_idx);
317 ath10k_warn(ar, "failed to re-set def wpa key idxon vdev %i: %d\n",
318 arvif->vdev_id, ret);
325 static int ath10k_clear_peer_keys(struct ath10k_vif *arvif,
328 struct ath10k *ar = arvif->ar;
329 struct ath10k_peer *peer;
335 lockdep_assert_held(&ar->conf_mutex);
337 spin_lock_bh(&ar->data_lock);
338 peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
339 spin_unlock_bh(&ar->data_lock);
344 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
345 if (peer->keys[i] == NULL)
348 /* key flags are not required to delete the key */
349 ret = ath10k_install_key(arvif, peer->keys[i],
350 DISABLE_KEY, addr, flags);
351 if (ret < 0 && first_errno == 0)
355 ath10k_warn(ar, "failed to remove peer wep key %d: %d\n",
358 spin_lock_bh(&ar->data_lock);
359 peer->keys[i] = NULL;
360 spin_unlock_bh(&ar->data_lock);
366 bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr,
369 struct ath10k_peer *peer;
372 lockdep_assert_held(&ar->data_lock);
374 /* We don't know which vdev this peer belongs to,
375 * since WMI doesn't give us that information.
377 * FIXME: multi-bss needs to be handled.
379 peer = ath10k_peer_find(ar, 0, addr);
383 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
384 if (peer->keys[i] && peer->keys[i]->keyidx == keyidx)
391 static int ath10k_clear_vdev_key(struct ath10k_vif *arvif,
392 struct ieee80211_key_conf *key)
394 struct ath10k *ar = arvif->ar;
395 struct ath10k_peer *peer;
402 lockdep_assert_held(&ar->conf_mutex);
405 /* since ath10k_install_key we can't hold data_lock all the
406 * time, so we try to remove the keys incrementally */
407 spin_lock_bh(&ar->data_lock);
409 list_for_each_entry(peer, &ar->peers, list) {
410 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
411 if (peer->keys[i] == key) {
412 ether_addr_copy(addr, peer->addr);
413 peer->keys[i] = NULL;
418 if (i < ARRAY_SIZE(peer->keys))
421 spin_unlock_bh(&ar->data_lock);
423 if (i == ARRAY_SIZE(peer->keys))
425 /* key flags are not required to delete the key */
426 ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, flags);
427 if (ret < 0 && first_errno == 0)
431 ath10k_warn(ar, "failed to remove key for %pM: %d\n",
438 static int ath10k_mac_vif_update_wep_key(struct ath10k_vif *arvif,
439 struct ieee80211_key_conf *key)
441 struct ath10k *ar = arvif->ar;
442 struct ath10k_peer *peer;
445 lockdep_assert_held(&ar->conf_mutex);
447 list_for_each_entry(peer, &ar->peers, list) {
448 if (!memcmp(peer->addr, arvif->vif->addr, ETH_ALEN))
451 if (!memcmp(peer->addr, arvif->bssid, ETH_ALEN))
454 if (peer->keys[key->keyidx] == key)
457 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vif vdev %i update key %i needs update\n",
458 arvif->vdev_id, key->keyidx);
460 ret = ath10k_install_peer_wep_keys(arvif, peer->addr);
462 ath10k_warn(ar, "failed to update wep keys on vdev %i for peer %pM: %d\n",
463 arvif->vdev_id, peer->addr, ret);
471 /*********************/
472 /* General utilities */
473 /*********************/
475 static inline enum wmi_phy_mode
476 chan_to_phymode(const struct cfg80211_chan_def *chandef)
478 enum wmi_phy_mode phymode = MODE_UNKNOWN;
480 switch (chandef->chan->band) {
481 case IEEE80211_BAND_2GHZ:
482 switch (chandef->width) {
483 case NL80211_CHAN_WIDTH_20_NOHT:
484 if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM)
489 case NL80211_CHAN_WIDTH_20:
490 phymode = MODE_11NG_HT20;
492 case NL80211_CHAN_WIDTH_40:
493 phymode = MODE_11NG_HT40;
495 case NL80211_CHAN_WIDTH_5:
496 case NL80211_CHAN_WIDTH_10:
497 case NL80211_CHAN_WIDTH_80:
498 case NL80211_CHAN_WIDTH_80P80:
499 case NL80211_CHAN_WIDTH_160:
500 phymode = MODE_UNKNOWN;
504 case IEEE80211_BAND_5GHZ:
505 switch (chandef->width) {
506 case NL80211_CHAN_WIDTH_20_NOHT:
509 case NL80211_CHAN_WIDTH_20:
510 phymode = MODE_11NA_HT20;
512 case NL80211_CHAN_WIDTH_40:
513 phymode = MODE_11NA_HT40;
515 case NL80211_CHAN_WIDTH_80:
516 phymode = MODE_11AC_VHT80;
518 case NL80211_CHAN_WIDTH_5:
519 case NL80211_CHAN_WIDTH_10:
520 case NL80211_CHAN_WIDTH_80P80:
521 case NL80211_CHAN_WIDTH_160:
522 phymode = MODE_UNKNOWN;
530 WARN_ON(phymode == MODE_UNKNOWN);
534 static u8 ath10k_parse_mpdudensity(u8 mpdudensity)
537 * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
538 * 0 for no restriction
547 switch (mpdudensity) {
553 /* Our lower layer calculations limit our precision to
569 int ath10k_mac_vif_chan(struct ieee80211_vif *vif,
570 struct cfg80211_chan_def *def)
572 struct ieee80211_chanctx_conf *conf;
575 conf = rcu_dereference(vif->chanctx_conf);
587 static void ath10k_mac_num_chanctxs_iter(struct ieee80211_hw *hw,
588 struct ieee80211_chanctx_conf *conf,
596 static int ath10k_mac_num_chanctxs(struct ath10k *ar)
600 ieee80211_iter_chan_contexts_atomic(ar->hw,
601 ath10k_mac_num_chanctxs_iter,
608 ath10k_mac_get_any_chandef_iter(struct ieee80211_hw *hw,
609 struct ieee80211_chanctx_conf *conf,
612 struct cfg80211_chan_def **def = data;
617 static int ath10k_peer_create(struct ath10k *ar, u32 vdev_id, const u8 *addr,
618 enum wmi_peer_type peer_type)
620 struct ath10k_vif *arvif;
624 lockdep_assert_held(&ar->conf_mutex);
626 num_peers = ar->num_peers;
628 /* Each vdev consumes a peer entry as well */
629 list_for_each_entry(arvif, &ar->arvifs, list)
632 if (num_peers >= ar->max_num_peers)
635 ret = ath10k_wmi_peer_create(ar, vdev_id, addr, peer_type);
637 ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n",
642 ret = ath10k_wait_for_peer_created(ar, vdev_id, addr);
644 ath10k_warn(ar, "failed to wait for created wmi peer %pM on vdev %i: %i\n",
654 static int ath10k_mac_set_kickout(struct ath10k_vif *arvif)
656 struct ath10k *ar = arvif->ar;
660 param = ar->wmi.pdev_param->sta_kickout_th;
661 ret = ath10k_wmi_pdev_set_param(ar, param,
662 ATH10K_KICKOUT_THRESHOLD);
664 ath10k_warn(ar, "failed to set kickout threshold on vdev %i: %d\n",
665 arvif->vdev_id, ret);
669 param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs;
670 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
671 ATH10K_KEEPALIVE_MIN_IDLE);
673 ath10k_warn(ar, "failed to set keepalive minimum idle time on vdev %i: %d\n",
674 arvif->vdev_id, ret);
678 param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs;
679 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
680 ATH10K_KEEPALIVE_MAX_IDLE);
682 ath10k_warn(ar, "failed to set keepalive maximum idle time on vdev %i: %d\n",
683 arvif->vdev_id, ret);
687 param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs;
688 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
689 ATH10K_KEEPALIVE_MAX_UNRESPONSIVE);
691 ath10k_warn(ar, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n",
692 arvif->vdev_id, ret);
699 static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value)
701 struct ath10k *ar = arvif->ar;
704 vdev_param = ar->wmi.vdev_param->rts_threshold;
705 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value);
708 static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr)
712 lockdep_assert_held(&ar->conf_mutex);
714 ret = ath10k_wmi_peer_delete(ar, vdev_id, addr);
718 ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr);
727 static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
729 struct ath10k_peer *peer, *tmp;
731 lockdep_assert_held(&ar->conf_mutex);
733 spin_lock_bh(&ar->data_lock);
734 list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
735 if (peer->vdev_id != vdev_id)
738 ath10k_warn(ar, "removing stale peer %pM from vdev_id %d\n",
739 peer->addr, vdev_id);
741 list_del(&peer->list);
745 spin_unlock_bh(&ar->data_lock);
748 static void ath10k_peer_cleanup_all(struct ath10k *ar)
750 struct ath10k_peer *peer, *tmp;
752 lockdep_assert_held(&ar->conf_mutex);
754 spin_lock_bh(&ar->data_lock);
755 list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
756 list_del(&peer->list);
759 spin_unlock_bh(&ar->data_lock);
762 ar->num_stations = 0;
765 static int ath10k_mac_tdls_peer_update(struct ath10k *ar, u32 vdev_id,
766 struct ieee80211_sta *sta,
767 enum wmi_tdls_peer_state state)
770 struct wmi_tdls_peer_update_cmd_arg arg = {};
771 struct wmi_tdls_peer_capab_arg cap = {};
772 struct wmi_channel_arg chan_arg = {};
774 lockdep_assert_held(&ar->conf_mutex);
776 arg.vdev_id = vdev_id;
777 arg.peer_state = state;
778 ether_addr_copy(arg.addr, sta->addr);
780 cap.peer_max_sp = sta->max_sp;
781 cap.peer_uapsd_queues = sta->uapsd_queues;
783 if (state == WMI_TDLS_PEER_STATE_CONNECTED &&
784 !sta->tdls_initiator)
785 cap.is_peer_responder = 1;
787 ret = ath10k_wmi_tdls_peer_update(ar, &arg, &cap, &chan_arg);
789 ath10k_warn(ar, "failed to update tdls peer %pM on vdev %i: %i\n",
790 arg.addr, vdev_id, ret);
797 /************************/
798 /* Interface management */
799 /************************/
801 void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif)
803 struct ath10k *ar = arvif->ar;
805 lockdep_assert_held(&ar->data_lock);
810 if (!arvif->beacon_buf)
811 dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr,
812 arvif->beacon->len, DMA_TO_DEVICE);
814 if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED &&
815 arvif->beacon_state != ATH10K_BEACON_SENT))
818 dev_kfree_skb_any(arvif->beacon);
820 arvif->beacon = NULL;
821 arvif->beacon_state = ATH10K_BEACON_SCHEDULED;
824 static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif)
826 struct ath10k *ar = arvif->ar;
828 lockdep_assert_held(&ar->data_lock);
830 ath10k_mac_vif_beacon_free(arvif);
832 if (arvif->beacon_buf) {
833 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
834 arvif->beacon_buf, arvif->beacon_paddr);
835 arvif->beacon_buf = NULL;
839 static inline int ath10k_vdev_setup_sync(struct ath10k *ar)
841 unsigned long time_left;
843 lockdep_assert_held(&ar->conf_mutex);
845 if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags))
848 time_left = wait_for_completion_timeout(&ar->vdev_setup_done,
849 ATH10K_VDEV_SETUP_TIMEOUT_HZ);
856 static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id)
858 struct cfg80211_chan_def *chandef = NULL;
859 struct ieee80211_channel *channel = NULL;
860 struct wmi_vdev_start_request_arg arg = {};
863 lockdep_assert_held(&ar->conf_mutex);
865 ieee80211_iter_chan_contexts_atomic(ar->hw,
866 ath10k_mac_get_any_chandef_iter,
868 if (WARN_ON_ONCE(!chandef))
871 channel = chandef->chan;
873 arg.vdev_id = vdev_id;
874 arg.channel.freq = channel->center_freq;
875 arg.channel.band_center_freq1 = chandef->center_freq1;
877 /* TODO setup this dynamically, what in case we
878 don't have any vifs? */
879 arg.channel.mode = chan_to_phymode(chandef);
880 arg.channel.chan_radar =
881 !!(channel->flags & IEEE80211_CHAN_RADAR);
883 arg.channel.min_power = 0;
884 arg.channel.max_power = channel->max_power * 2;
885 arg.channel.max_reg_power = channel->max_reg_power * 2;
886 arg.channel.max_antenna_gain = channel->max_antenna_gain * 2;
888 reinit_completion(&ar->vdev_setup_done);
890 ret = ath10k_wmi_vdev_start(ar, &arg);
892 ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n",
897 ret = ath10k_vdev_setup_sync(ar);
899 ath10k_warn(ar, "failed to synchronize setup for monitor vdev %i start: %d\n",
904 ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr);
906 ath10k_warn(ar, "failed to put up monitor vdev %i: %d\n",
911 ar->monitor_vdev_id = vdev_id;
913 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i started\n",
914 ar->monitor_vdev_id);
918 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
920 ath10k_warn(ar, "failed to stop monitor vdev %i after start failure: %d\n",
921 ar->monitor_vdev_id, ret);
926 static int ath10k_monitor_vdev_stop(struct ath10k *ar)
930 lockdep_assert_held(&ar->conf_mutex);
932 ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id);
934 ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n",
935 ar->monitor_vdev_id, ret);
937 reinit_completion(&ar->vdev_setup_done);
939 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
941 ath10k_warn(ar, "failed to to request monitor vdev %i stop: %d\n",
942 ar->monitor_vdev_id, ret);
944 ret = ath10k_vdev_setup_sync(ar);
946 ath10k_warn(ar, "failed to synchronize monitor vdev %i stop: %d\n",
947 ar->monitor_vdev_id, ret);
949 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i stopped\n",
950 ar->monitor_vdev_id);
954 static int ath10k_monitor_vdev_create(struct ath10k *ar)
958 lockdep_assert_held(&ar->conf_mutex);
960 if (ar->free_vdev_map == 0) {
961 ath10k_warn(ar, "failed to find free vdev id for monitor vdev\n");
965 bit = __ffs64(ar->free_vdev_map);
967 ar->monitor_vdev_id = bit;
969 ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id,
970 WMI_VDEV_TYPE_MONITOR,
973 ath10k_warn(ar, "failed to request monitor vdev %i creation: %d\n",
974 ar->monitor_vdev_id, ret);
978 ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id);
979 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n",
980 ar->monitor_vdev_id);
985 static int ath10k_monitor_vdev_delete(struct ath10k *ar)
989 lockdep_assert_held(&ar->conf_mutex);
991 ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id);
993 ath10k_warn(ar, "failed to request wmi monitor vdev %i removal: %d\n",
994 ar->monitor_vdev_id, ret);
998 ar->free_vdev_map |= 1LL << ar->monitor_vdev_id;
1000 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n",
1001 ar->monitor_vdev_id);
1005 static int ath10k_monitor_start(struct ath10k *ar)
1009 lockdep_assert_held(&ar->conf_mutex);
1011 ret = ath10k_monitor_vdev_create(ar);
1013 ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret);
1017 ret = ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id);
1019 ath10k_warn(ar, "failed to start monitor vdev: %d\n", ret);
1020 ath10k_monitor_vdev_delete(ar);
1024 ar->monitor_started = true;
1025 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor started\n");
1030 static int ath10k_monitor_stop(struct ath10k *ar)
1034 lockdep_assert_held(&ar->conf_mutex);
1036 ret = ath10k_monitor_vdev_stop(ar);
1038 ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret);
1042 ret = ath10k_monitor_vdev_delete(ar);
1044 ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret);
1048 ar->monitor_started = false;
1049 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n");
1054 static bool ath10k_mac_monitor_vdev_is_needed(struct ath10k *ar)
1058 /* At least one chanctx is required to derive a channel to start
1061 num_ctx = ath10k_mac_num_chanctxs(ar);
1065 /* If there's already an existing special monitor interface then don't
1066 * bother creating another monitor vdev.
1068 if (ar->monitor_arvif)
1071 return ar->monitor ||
1072 ar->filter_flags & FIF_OTHER_BSS ||
1073 test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1076 static bool ath10k_mac_monitor_vdev_is_allowed(struct ath10k *ar)
1080 num_ctx = ath10k_mac_num_chanctxs(ar);
1082 /* FIXME: Current interface combinations and cfg80211/mac80211 code
1083 * shouldn't allow this but make sure to prevent handling the following
1084 * case anyway since multi-channel DFS hasn't been tested at all.
1086 if (test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags) && num_ctx > 1)
1092 static int ath10k_monitor_recalc(struct ath10k *ar)
1098 lockdep_assert_held(&ar->conf_mutex);
1100 needed = ath10k_mac_monitor_vdev_is_needed(ar);
1101 allowed = ath10k_mac_monitor_vdev_is_allowed(ar);
1103 ath10k_dbg(ar, ATH10K_DBG_MAC,
1104 "mac monitor recalc started? %d needed? %d allowed? %d\n",
1105 ar->monitor_started, needed, allowed);
1107 if (WARN_ON(needed && !allowed)) {
1108 if (ar->monitor_started) {
1109 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopping disallowed monitor\n");
1111 ret = ath10k_monitor_stop(ar);
1113 ath10k_warn(ar, "failed to stop disallowed monitor: %d\n",
1121 if (needed == ar->monitor_started)
1125 return ath10k_monitor_start(ar);
1127 return ath10k_monitor_stop(ar);
1130 static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif)
1132 struct ath10k *ar = arvif->ar;
1133 u32 vdev_param, rts_cts = 0;
1135 lockdep_assert_held(&ar->conf_mutex);
1137 vdev_param = ar->wmi.vdev_param->enable_rtscts;
1139 rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET);
1141 if (arvif->num_legacy_stations > 0)
1142 rts_cts |= SM(WMI_RTSCTS_ACROSS_SW_RETRIES,
1143 WMI_RTSCTS_PROFILE);
1145 rts_cts |= SM(WMI_RTSCTS_FOR_SECOND_RATESERIES,
1146 WMI_RTSCTS_PROFILE);
1148 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
1152 static int ath10k_start_cac(struct ath10k *ar)
1156 lockdep_assert_held(&ar->conf_mutex);
1158 set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1160 ret = ath10k_monitor_recalc(ar);
1162 ath10k_warn(ar, "failed to start monitor (cac): %d\n", ret);
1163 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1167 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac start monitor vdev %d\n",
1168 ar->monitor_vdev_id);
1173 static int ath10k_stop_cac(struct ath10k *ar)
1175 lockdep_assert_held(&ar->conf_mutex);
1177 /* CAC is not running - do nothing */
1178 if (!test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags))
1181 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1182 ath10k_monitor_stop(ar);
1184 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac finished\n");
1189 static void ath10k_mac_has_radar_iter(struct ieee80211_hw *hw,
1190 struct ieee80211_chanctx_conf *conf,
1195 if (!*ret && conf->radar_enabled)
1199 static bool ath10k_mac_has_radar_enabled(struct ath10k *ar)
1201 bool has_radar = false;
1203 ieee80211_iter_chan_contexts_atomic(ar->hw,
1204 ath10k_mac_has_radar_iter,
1210 static void ath10k_recalc_radar_detection(struct ath10k *ar)
1214 lockdep_assert_held(&ar->conf_mutex);
1216 ath10k_stop_cac(ar);
1218 if (!ath10k_mac_has_radar_enabled(ar))
1221 if (ar->num_started_vdevs > 0)
1224 ret = ath10k_start_cac(ar);
1227 * Not possible to start CAC on current channel so starting
1228 * radiation is not allowed, make this channel DFS_UNAVAILABLE
1229 * by indicating that radar was detected.
1231 ath10k_warn(ar, "failed to start CAC: %d\n", ret);
1232 ieee80211_radar_detected(ar->hw);
1236 static int ath10k_vdev_stop(struct ath10k_vif *arvif)
1238 struct ath10k *ar = arvif->ar;
1241 lockdep_assert_held(&ar->conf_mutex);
1243 reinit_completion(&ar->vdev_setup_done);
1245 ret = ath10k_wmi_vdev_stop(ar, arvif->vdev_id);
1247 ath10k_warn(ar, "failed to stop WMI vdev %i: %d\n",
1248 arvif->vdev_id, ret);
1252 ret = ath10k_vdev_setup_sync(ar);
1254 ath10k_warn(ar, "failed to syncronise setup for vdev %i: %d\n",
1255 arvif->vdev_id, ret);
1259 WARN_ON(ar->num_started_vdevs == 0);
1261 if (ar->num_started_vdevs != 0) {
1262 ar->num_started_vdevs--;
1263 ath10k_recalc_radar_detection(ar);
1269 static int ath10k_vdev_start_restart(struct ath10k_vif *arvif,
1270 const struct cfg80211_chan_def *chandef,
1273 struct ath10k *ar = arvif->ar;
1274 struct wmi_vdev_start_request_arg arg = {};
1277 lockdep_assert_held(&ar->conf_mutex);
1279 reinit_completion(&ar->vdev_setup_done);
1281 arg.vdev_id = arvif->vdev_id;
1282 arg.dtim_period = arvif->dtim_period;
1283 arg.bcn_intval = arvif->beacon_interval;
1285 arg.channel.freq = chandef->chan->center_freq;
1286 arg.channel.band_center_freq1 = chandef->center_freq1;
1287 arg.channel.mode = chan_to_phymode(chandef);
1289 arg.channel.min_power = 0;
1290 arg.channel.max_power = chandef->chan->max_power * 2;
1291 arg.channel.max_reg_power = chandef->chan->max_reg_power * 2;
1292 arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2;
1294 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
1295 arg.ssid = arvif->u.ap.ssid;
1296 arg.ssid_len = arvif->u.ap.ssid_len;
1297 arg.hidden_ssid = arvif->u.ap.hidden_ssid;
1299 /* For now allow DFS for AP mode */
1300 arg.channel.chan_radar =
1301 !!(chandef->chan->flags & IEEE80211_CHAN_RADAR);
1302 } else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
1303 arg.ssid = arvif->vif->bss_conf.ssid;
1304 arg.ssid_len = arvif->vif->bss_conf.ssid_len;
1307 ath10k_dbg(ar, ATH10K_DBG_MAC,
1308 "mac vdev %d start center_freq %d phymode %s\n",
1309 arg.vdev_id, arg.channel.freq,
1310 ath10k_wmi_phymode_str(arg.channel.mode));
1313 ret = ath10k_wmi_vdev_restart(ar, &arg);
1315 ret = ath10k_wmi_vdev_start(ar, &arg);
1318 ath10k_warn(ar, "failed to start WMI vdev %i: %d\n",
1323 ret = ath10k_vdev_setup_sync(ar);
1326 "failed to synchronize setup for vdev %i restart %d: %d\n",
1327 arg.vdev_id, restart, ret);
1331 ar->num_started_vdevs++;
1332 ath10k_recalc_radar_detection(ar);
1337 static int ath10k_vdev_start(struct ath10k_vif *arvif,
1338 const struct cfg80211_chan_def *def)
1340 return ath10k_vdev_start_restart(arvif, def, false);
1343 static int ath10k_vdev_restart(struct ath10k_vif *arvif,
1344 const struct cfg80211_chan_def *def)
1346 return ath10k_vdev_start_restart(arvif, def, true);
1349 static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif,
1350 struct sk_buff *bcn)
1352 struct ath10k *ar = arvif->ar;
1353 struct ieee80211_mgmt *mgmt;
1357 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1360 if (arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO)
1363 mgmt = (void *)bcn->data;
1364 p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1365 mgmt->u.beacon.variable,
1366 bcn->len - (mgmt->u.beacon.variable -
1371 ret = ath10k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie);
1373 ath10k_warn(ar, "failed to submit p2p go bcn ie for vdev %i: %d\n",
1374 arvif->vdev_id, ret);
1381 static int ath10k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui,
1382 u8 oui_type, size_t ie_offset)
1389 if (WARN_ON(skb->len < ie_offset))
1392 ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type,
1393 skb->data + ie_offset,
1394 skb->len - ie_offset);
1399 end = skb->data + skb->len;
1402 if (WARN_ON(next > end))
1405 memmove(ie, next, end - next);
1406 skb_trim(skb, skb->len - len);
1411 static int ath10k_mac_setup_bcn_tmpl(struct ath10k_vif *arvif)
1413 struct ath10k *ar = arvif->ar;
1414 struct ieee80211_hw *hw = ar->hw;
1415 struct ieee80211_vif *vif = arvif->vif;
1416 struct ieee80211_mutable_offsets offs = {};
1417 struct sk_buff *bcn;
1420 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1423 if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
1424 arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
1427 bcn = ieee80211_beacon_get_template(hw, vif, &offs);
1429 ath10k_warn(ar, "failed to get beacon template from mac80211\n");
1433 ret = ath10k_mac_setup_bcn_p2p_ie(arvif, bcn);
1435 ath10k_warn(ar, "failed to setup p2p go bcn ie: %d\n", ret);
1440 /* P2P IE is inserted by firmware automatically (as configured above)
1441 * so remove it from the base beacon template to avoid duplicate P2P
1442 * IEs in beacon frames.
1444 ath10k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1445 offsetof(struct ieee80211_mgmt,
1446 u.beacon.variable));
1448 ret = ath10k_wmi_bcn_tmpl(ar, arvif->vdev_id, offs.tim_offset, bcn, 0,
1453 ath10k_warn(ar, "failed to submit beacon template command: %d\n",
1461 static int ath10k_mac_setup_prb_tmpl(struct ath10k_vif *arvif)
1463 struct ath10k *ar = arvif->ar;
1464 struct ieee80211_hw *hw = ar->hw;
1465 struct ieee80211_vif *vif = arvif->vif;
1466 struct sk_buff *prb;
1469 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1472 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1475 prb = ieee80211_proberesp_get(hw, vif);
1477 ath10k_warn(ar, "failed to get probe resp template from mac80211\n");
1481 ret = ath10k_wmi_prb_tmpl(ar, arvif->vdev_id, prb);
1485 ath10k_warn(ar, "failed to submit probe resp template command: %d\n",
1493 static int ath10k_mac_vif_fix_hidden_ssid(struct ath10k_vif *arvif)
1495 struct ath10k *ar = arvif->ar;
1496 struct cfg80211_chan_def def;
1499 /* When originally vdev is started during assign_vif_chanctx() some
1500 * information is missing, notably SSID. Firmware revisions with beacon
1501 * offloading require the SSID to be provided during vdev (re)start to
1502 * handle hidden SSID properly.
1504 * Vdev restart must be done after vdev has been both started and
1505 * upped. Otherwise some firmware revisions (at least 10.2) fail to
1506 * deliver vdev restart response event causing timeouts during vdev
1507 * syncing in ath10k.
1509 * Note: The vdev down/up and template reinstallation could be skipped
1510 * since only wmi-tlv firmware are known to have beacon offload and
1511 * wmi-tlv doesn't seem to misbehave like 10.2 wrt vdev restart
1512 * response delivery. It's probably more robust to keep it as is.
1514 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1517 if (WARN_ON(!arvif->is_started))
1520 if (WARN_ON(!arvif->is_up))
1523 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
1526 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
1528 ath10k_warn(ar, "failed to bring down ap vdev %i: %d\n",
1529 arvif->vdev_id, ret);
1533 /* Vdev down reset beacon & presp templates. Reinstall them. Otherwise
1534 * firmware will crash upon vdev up.
1537 ret = ath10k_mac_setup_bcn_tmpl(arvif);
1539 ath10k_warn(ar, "failed to update beacon template: %d\n", ret);
1543 ret = ath10k_mac_setup_prb_tmpl(arvif);
1545 ath10k_warn(ar, "failed to update presp template: %d\n", ret);
1549 ret = ath10k_vdev_restart(arvif, &def);
1551 ath10k_warn(ar, "failed to restart ap vdev %i: %d\n",
1552 arvif->vdev_id, ret);
1556 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
1559 ath10k_warn(ar, "failed to bring up ap vdev %i: %d\n",
1560 arvif->vdev_id, ret);
1567 static void ath10k_control_beaconing(struct ath10k_vif *arvif,
1568 struct ieee80211_bss_conf *info)
1570 struct ath10k *ar = arvif->ar;
1573 lockdep_assert_held(&arvif->ar->conf_mutex);
1575 if (!info->enable_beacon) {
1576 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
1578 ath10k_warn(ar, "failed to down vdev_id %i: %d\n",
1579 arvif->vdev_id, ret);
1581 arvif->is_up = false;
1583 spin_lock_bh(&arvif->ar->data_lock);
1584 ath10k_mac_vif_beacon_free(arvif);
1585 spin_unlock_bh(&arvif->ar->data_lock);
1590 arvif->tx_seq_no = 0x1000;
1593 ether_addr_copy(arvif->bssid, info->bssid);
1595 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
1598 ath10k_warn(ar, "failed to bring up vdev %d: %i\n",
1599 arvif->vdev_id, ret);
1603 arvif->is_up = true;
1605 ret = ath10k_mac_vif_fix_hidden_ssid(arvif);
1607 ath10k_warn(ar, "failed to fix hidden ssid for vdev %i, expect trouble: %d\n",
1608 arvif->vdev_id, ret);
1612 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id);
1615 static void ath10k_control_ibss(struct ath10k_vif *arvif,
1616 struct ieee80211_bss_conf *info,
1617 const u8 self_peer[ETH_ALEN])
1619 struct ath10k *ar = arvif->ar;
1623 lockdep_assert_held(&arvif->ar->conf_mutex);
1625 if (!info->ibss_joined) {
1626 if (is_zero_ether_addr(arvif->bssid))
1629 eth_zero_addr(arvif->bssid);
1634 vdev_param = arvif->ar->wmi.vdev_param->atim_window;
1635 ret = ath10k_wmi_vdev_set_param(arvif->ar, arvif->vdev_id, vdev_param,
1636 ATH10K_DEFAULT_ATIM);
1638 ath10k_warn(ar, "failed to set IBSS ATIM for vdev %d: %d\n",
1639 arvif->vdev_id, ret);
1642 static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif)
1644 struct ath10k *ar = arvif->ar;
1649 lockdep_assert_held(&arvif->ar->conf_mutex);
1651 if (arvif->u.sta.uapsd)
1652 value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER;
1654 value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;
1656 param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;
1657 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value);
1659 ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n",
1660 value, arvif->vdev_id, ret);
1667 static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif)
1669 struct ath10k *ar = arvif->ar;
1674 lockdep_assert_held(&arvif->ar->conf_mutex);
1676 if (arvif->u.sta.uapsd)
1677 value = WMI_STA_PS_PSPOLL_COUNT_UAPSD;
1679 value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;
1681 param = WMI_STA_PS_PARAM_PSPOLL_COUNT;
1682 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
1685 ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n",
1686 value, arvif->vdev_id, ret);
1693 static int ath10k_mac_num_vifs_started(struct ath10k *ar)
1695 struct ath10k_vif *arvif;
1698 lockdep_assert_held(&ar->conf_mutex);
1700 list_for_each_entry(arvif, &ar->arvifs, list)
1701 if (arvif->is_started)
1707 static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif)
1709 struct ath10k *ar = arvif->ar;
1710 struct ieee80211_vif *vif = arvif->vif;
1711 struct ieee80211_conf *conf = &ar->hw->conf;
1712 enum wmi_sta_powersave_param param;
1713 enum wmi_sta_ps_mode psmode;
1718 lockdep_assert_held(&arvif->ar->conf_mutex);
1720 if (arvif->vif->type != NL80211_IFTYPE_STATION)
1723 enable_ps = arvif->ps;
1725 if (enable_ps && ath10k_mac_num_vifs_started(ar) > 1 &&
1726 !test_bit(ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT,
1728 ath10k_warn(ar, "refusing to enable ps on vdev %i: not supported by fw\n",
1733 if (!arvif->is_started) {
1734 /* mac80211 can update vif powersave state while disconnected.
1735 * Firmware doesn't behave nicely and consumes more power than
1736 * necessary if PS is disabled on a non-started vdev. Hence
1737 * force-enable PS for non-running vdevs.
1739 psmode = WMI_STA_PS_MODE_ENABLED;
1740 } else if (enable_ps) {
1741 psmode = WMI_STA_PS_MODE_ENABLED;
1742 param = WMI_STA_PS_PARAM_INACTIVITY_TIME;
1744 ps_timeout = conf->dynamic_ps_timeout;
1745 if (ps_timeout == 0) {
1746 /* Firmware doesn't like 0 */
1747 ps_timeout = ieee80211_tu_to_usec(
1748 vif->bss_conf.beacon_int) / 1000;
1751 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param,
1754 ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n",
1755 arvif->vdev_id, ret);
1759 psmode = WMI_STA_PS_MODE_DISABLED;
1762 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d psmode %s\n",
1763 arvif->vdev_id, psmode ? "enable" : "disable");
1765 ret = ath10k_wmi_set_psmode(ar, arvif->vdev_id, psmode);
1767 ath10k_warn(ar, "failed to set PS Mode %d for vdev %d: %d\n",
1768 psmode, arvif->vdev_id, ret);
1775 static int ath10k_mac_vif_disable_keepalive(struct ath10k_vif *arvif)
1777 struct ath10k *ar = arvif->ar;
1778 struct wmi_sta_keepalive_arg arg = {};
1781 lockdep_assert_held(&arvif->ar->conf_mutex);
1783 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
1786 if (!test_bit(WMI_SERVICE_STA_KEEP_ALIVE, ar->wmi.svc_map))
1789 /* Some firmware revisions have a bug and ignore the `enabled` field.
1790 * Instead use the interval to disable the keepalive.
1792 arg.vdev_id = arvif->vdev_id;
1794 arg.method = WMI_STA_KEEPALIVE_METHOD_NULL_FRAME;
1795 arg.interval = WMI_STA_KEEPALIVE_INTERVAL_DISABLE;
1797 ret = ath10k_wmi_sta_keepalive(ar, &arg);
1799 ath10k_warn(ar, "failed to submit keepalive on vdev %i: %d\n",
1800 arvif->vdev_id, ret);
1807 static void ath10k_mac_vif_ap_csa_count_down(struct ath10k_vif *arvif)
1809 struct ath10k *ar = arvif->ar;
1810 struct ieee80211_vif *vif = arvif->vif;
1813 lockdep_assert_held(&arvif->ar->conf_mutex);
1815 if (WARN_ON(!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)))
1818 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1821 if (!vif->csa_active)
1827 if (!ieee80211_csa_is_complete(vif)) {
1828 ieee80211_csa_update_counter(vif);
1830 ret = ath10k_mac_setup_bcn_tmpl(arvif);
1832 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
1835 ret = ath10k_mac_setup_prb_tmpl(arvif);
1837 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
1840 ieee80211_csa_finish(vif);
1844 static void ath10k_mac_vif_ap_csa_work(struct work_struct *work)
1846 struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
1848 struct ath10k *ar = arvif->ar;
1850 mutex_lock(&ar->conf_mutex);
1851 ath10k_mac_vif_ap_csa_count_down(arvif);
1852 mutex_unlock(&ar->conf_mutex);
1855 static void ath10k_mac_handle_beacon_iter(void *data, u8 *mac,
1856 struct ieee80211_vif *vif)
1858 struct sk_buff *skb = data;
1859 struct ieee80211_mgmt *mgmt = (void *)skb->data;
1860 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1862 if (vif->type != NL80211_IFTYPE_STATION)
1865 if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid))
1868 cancel_delayed_work(&arvif->connection_loss_work);
1871 void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb)
1873 ieee80211_iterate_active_interfaces_atomic(ar->hw,
1874 IEEE80211_IFACE_ITER_NORMAL,
1875 ath10k_mac_handle_beacon_iter,
1879 static void ath10k_mac_handle_beacon_miss_iter(void *data, u8 *mac,
1880 struct ieee80211_vif *vif)
1882 u32 *vdev_id = data;
1883 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1884 struct ath10k *ar = arvif->ar;
1885 struct ieee80211_hw *hw = ar->hw;
1887 if (arvif->vdev_id != *vdev_id)
1893 ieee80211_beacon_loss(vif);
1895 /* Firmware doesn't report beacon loss events repeatedly. If AP probe
1896 * (done by mac80211) succeeds but beacons do not resume then it
1897 * doesn't make sense to continue operation. Queue connection loss work
1898 * which can be cancelled when beacon is received.
1900 ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work,
1901 ATH10K_CONNECTION_LOSS_HZ);
1904 void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id)
1906 ieee80211_iterate_active_interfaces_atomic(ar->hw,
1907 IEEE80211_IFACE_ITER_NORMAL,
1908 ath10k_mac_handle_beacon_miss_iter,
1912 static void ath10k_mac_vif_sta_connection_loss_work(struct work_struct *work)
1914 struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
1915 connection_loss_work.work);
1916 struct ieee80211_vif *vif = arvif->vif;
1921 ieee80211_connection_loss(vif);
1924 /**********************/
1925 /* Station management */
1926 /**********************/
1928 static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar,
1929 struct ieee80211_vif *vif)
1931 /* Some firmware revisions have unstable STA powersave when listen
1932 * interval is set too high (e.g. 5). The symptoms are firmware doesn't
1933 * generate NullFunc frames properly even if buffered frames have been
1934 * indicated in Beacon TIM. Firmware would seldom wake up to pull
1935 * buffered frames. Often pinging the device from AP would simply fail.
1937 * As a workaround set it to 1.
1939 if (vif->type == NL80211_IFTYPE_STATION)
1942 return ar->hw->conf.listen_interval;
1945 static void ath10k_peer_assoc_h_basic(struct ath10k *ar,
1946 struct ieee80211_vif *vif,
1947 struct ieee80211_sta *sta,
1948 struct wmi_peer_assoc_complete_arg *arg)
1950 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1953 lockdep_assert_held(&ar->conf_mutex);
1955 if (vif->type == NL80211_IFTYPE_STATION)
1956 aid = vif->bss_conf.aid;
1960 ether_addr_copy(arg->addr, sta->addr);
1961 arg->vdev_id = arvif->vdev_id;
1962 arg->peer_aid = aid;
1963 arg->peer_flags |= WMI_PEER_AUTH;
1964 arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif);
1965 arg->peer_num_spatial_streams = 1;
1966 arg->peer_caps = vif->bss_conf.assoc_capability;
1969 static void ath10k_peer_assoc_h_crypto(struct ath10k *ar,
1970 struct ieee80211_vif *vif,
1971 struct wmi_peer_assoc_complete_arg *arg)
1973 struct ieee80211_bss_conf *info = &vif->bss_conf;
1974 struct cfg80211_chan_def def;
1975 struct cfg80211_bss *bss;
1976 const u8 *rsnie = NULL;
1977 const u8 *wpaie = NULL;
1979 lockdep_assert_held(&ar->conf_mutex);
1981 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
1984 bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0,
1985 IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
1987 const struct cfg80211_bss_ies *ies;
1990 rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN);
1992 ies = rcu_dereference(bss->ies);
1994 wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
1995 WLAN_OUI_TYPE_MICROSOFT_WPA,
1999 cfg80211_put_bss(ar->hw->wiphy, bss);
2002 /* FIXME: base on RSN IE/WPA IE is a correct idea? */
2003 if (rsnie || wpaie) {
2004 ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: rsn ie found\n", __func__);
2005 arg->peer_flags |= WMI_PEER_NEED_PTK_4_WAY;
2009 ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: wpa ie found\n", __func__);
2010 arg->peer_flags |= WMI_PEER_NEED_GTK_2_WAY;
2014 static void ath10k_peer_assoc_h_rates(struct ath10k *ar,
2015 struct ieee80211_vif *vif,
2016 struct ieee80211_sta *sta,
2017 struct wmi_peer_assoc_complete_arg *arg)
2019 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2020 struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates;
2021 struct cfg80211_chan_def def;
2022 const struct ieee80211_supported_band *sband;
2023 const struct ieee80211_rate *rates;
2024 enum ieee80211_band band;
2029 lockdep_assert_held(&ar->conf_mutex);
2031 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2034 band = def.chan->band;
2035 sband = ar->hw->wiphy->bands[band];
2036 ratemask = sta->supp_rates[band];
2037 ratemask &= arvif->bitrate_mask.control[band].legacy;
2038 rates = sband->bitrates;
2040 rateset->num_rates = 0;
2042 for (i = 0; i < 32; i++, ratemask >>= 1, rates++) {
2043 if (!(ratemask & 1))
2046 rate = ath10k_mac_bitrate_to_rate(rates->bitrate);
2047 rateset->rates[rateset->num_rates] = rate;
2048 rateset->num_rates++;
2053 ath10k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
2057 for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++)
2058 if (ht_mcs_mask[nss])
2065 ath10k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
2069 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++)
2070 if (vht_mcs_mask[nss])
2076 static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
2077 struct ieee80211_vif *vif,
2078 struct ieee80211_sta *sta,
2079 struct wmi_peer_assoc_complete_arg *arg)
2081 const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
2082 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2083 struct cfg80211_chan_def def;
2084 enum ieee80211_band band;
2085 const u8 *ht_mcs_mask;
2086 const u16 *vht_mcs_mask;
2091 lockdep_assert_held(&ar->conf_mutex);
2093 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2096 if (!ht_cap->ht_supported)
2099 band = def.chan->band;
2100 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2101 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2103 if (ath10k_peer_assoc_h_ht_masked(ht_mcs_mask) &&
2104 ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
2107 arg->peer_flags |= WMI_PEER_HT;
2108 arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2109 ht_cap->ampdu_factor)) - 1;
2111 arg->peer_mpdu_density =
2112 ath10k_parse_mpdudensity(ht_cap->ampdu_density);
2114 arg->peer_ht_caps = ht_cap->cap;
2115 arg->peer_rate_caps |= WMI_RC_HT_FLAG;
2117 if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING)
2118 arg->peer_flags |= WMI_PEER_LDPC;
2120 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) {
2121 arg->peer_flags |= WMI_PEER_40MHZ;
2122 arg->peer_rate_caps |= WMI_RC_CW40_FLAG;
2125 if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) {
2126 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
2127 arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
2129 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40)
2130 arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
2133 if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) {
2134 arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG;
2135 arg->peer_flags |= WMI_PEER_STBC;
2138 if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) {
2139 stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC;
2140 stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT;
2141 stbc = stbc << WMI_RC_RX_STBC_FLAG_S;
2142 arg->peer_rate_caps |= stbc;
2143 arg->peer_flags |= WMI_PEER_STBC;
2146 if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2])
2147 arg->peer_rate_caps |= WMI_RC_TS_FLAG;
2148 else if (ht_cap->mcs.rx_mask[1])
2149 arg->peer_rate_caps |= WMI_RC_DS_FLAG;
2151 for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++)
2152 if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) &&
2153 (ht_mcs_mask[i / 8] & BIT(i % 8))) {
2154 max_nss = (i / 8) + 1;
2155 arg->peer_ht_rates.rates[n++] = i;
2159 * This is a workaround for HT-enabled STAs which break the spec
2160 * and have no HT capabilities RX mask (no HT RX MCS map).
2162 * As per spec, in section 20.3.5 Modulation and coding scheme (MCS),
2163 * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs.
2165 * Firmware asserts if such situation occurs.
2168 arg->peer_ht_rates.num_rates = 8;
2169 for (i = 0; i < arg->peer_ht_rates.num_rates; i++)
2170 arg->peer_ht_rates.rates[i] = i;
2172 arg->peer_ht_rates.num_rates = n;
2173 arg->peer_num_spatial_streams = min(sta->rx_nss, max_nss);
2176 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n",
2178 arg->peer_ht_rates.num_rates,
2179 arg->peer_num_spatial_streams);
2182 static int ath10k_peer_assoc_qos_ap(struct ath10k *ar,
2183 struct ath10k_vif *arvif,
2184 struct ieee80211_sta *sta)
2190 lockdep_assert_held(&ar->conf_mutex);
2192 if (sta->wme && sta->uapsd_queues) {
2193 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n",
2194 sta->uapsd_queues, sta->max_sp);
2196 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
2197 uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN |
2198 WMI_AP_PS_UAPSD_AC3_TRIGGER_EN;
2199 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
2200 uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN |
2201 WMI_AP_PS_UAPSD_AC2_TRIGGER_EN;
2202 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
2203 uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN |
2204 WMI_AP_PS_UAPSD_AC1_TRIGGER_EN;
2205 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
2206 uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN |
2207 WMI_AP_PS_UAPSD_AC0_TRIGGER_EN;
2209 if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP)
2210 max_sp = sta->max_sp;
2212 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
2214 WMI_AP_PS_PEER_PARAM_UAPSD,
2217 ath10k_warn(ar, "failed to set ap ps peer param uapsd for vdev %i: %d\n",
2218 arvif->vdev_id, ret);
2222 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
2224 WMI_AP_PS_PEER_PARAM_MAX_SP,
2227 ath10k_warn(ar, "failed to set ap ps peer param max sp for vdev %i: %d\n",
2228 arvif->vdev_id, ret);
2232 /* TODO setup this based on STA listen interval and
2233 beacon interval. Currently we don't know
2234 sta->listen_interval - mac80211 patch required.
2235 Currently use 10 seconds */
2236 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr,
2237 WMI_AP_PS_PEER_PARAM_AGEOUT_TIME,
2240 ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n",
2241 arvif->vdev_id, ret);
2250 ath10k_peer_assoc_h_vht_limit(u16 tx_mcs_set,
2251 const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX])
2258 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
2259 mcs_map = ath10k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) &
2263 idx_limit = fls(mcs_map) - 1;
2267 switch (idx_limit) {
2268 case 0: /* fall through */
2269 case 1: /* fall through */
2270 case 2: /* fall through */
2271 case 3: /* fall through */
2272 case 4: /* fall through */
2273 case 5: /* fall through */
2274 case 6: /* fall through */
2276 /* see ath10k_mac_can_set_bitrate_mask() */
2280 mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED;
2283 mcs = IEEE80211_VHT_MCS_SUPPORT_0_7;
2286 mcs = IEEE80211_VHT_MCS_SUPPORT_0_8;
2289 mcs = IEEE80211_VHT_MCS_SUPPORT_0_9;
2293 tx_mcs_set &= ~(0x3 << (nss * 2));
2294 tx_mcs_set |= mcs << (nss * 2);
2300 static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
2301 struct ieee80211_vif *vif,
2302 struct ieee80211_sta *sta,
2303 struct wmi_peer_assoc_complete_arg *arg)
2305 const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
2306 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2307 struct cfg80211_chan_def def;
2308 enum ieee80211_band band;
2309 const u16 *vht_mcs_mask;
2312 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2315 if (!vht_cap->vht_supported)
2318 band = def.chan->band;
2319 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2321 if (ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
2324 arg->peer_flags |= WMI_PEER_VHT;
2326 if (def.chan->band == IEEE80211_BAND_2GHZ)
2327 arg->peer_flags |= WMI_PEER_VHT_2G;
2329 arg->peer_vht_caps = vht_cap->cap;
2331 ampdu_factor = (vht_cap->cap &
2332 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
2333 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
2335 /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to
2336 * zero in VHT IE. Using it would result in degraded throughput.
2337 * arg->peer_max_mpdu at this point contains HT max_mpdu so keep
2338 * it if VHT max_mpdu is smaller. */
2339 arg->peer_max_mpdu = max(arg->peer_max_mpdu,
2340 (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2341 ampdu_factor)) - 1);
2343 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
2344 arg->peer_flags |= WMI_PEER_80MHZ;
2346 arg->peer_vht_rates.rx_max_rate =
2347 __le16_to_cpu(vht_cap->vht_mcs.rx_highest);
2348 arg->peer_vht_rates.rx_mcs_set =
2349 __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);
2350 arg->peer_vht_rates.tx_max_rate =
2351 __le16_to_cpu(vht_cap->vht_mcs.tx_highest);
2352 arg->peer_vht_rates.tx_mcs_set = ath10k_peer_assoc_h_vht_limit(
2353 __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask);
2355 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n",
2356 sta->addr, arg->peer_max_mpdu, arg->peer_flags);
2359 static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
2360 struct ieee80211_vif *vif,
2361 struct ieee80211_sta *sta,
2362 struct wmi_peer_assoc_complete_arg *arg)
2364 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2366 switch (arvif->vdev_type) {
2367 case WMI_VDEV_TYPE_AP:
2369 arg->peer_flags |= WMI_PEER_QOS;
2371 if (sta->wme && sta->uapsd_queues) {
2372 arg->peer_flags |= WMI_PEER_APSD;
2373 arg->peer_rate_caps |= WMI_RC_UAPSD_FLAG;
2376 case WMI_VDEV_TYPE_STA:
2377 if (vif->bss_conf.qos)
2378 arg->peer_flags |= WMI_PEER_QOS;
2380 case WMI_VDEV_TYPE_IBSS:
2382 arg->peer_flags |= WMI_PEER_QOS;
2388 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n",
2389 sta->addr, !!(arg->peer_flags & WMI_PEER_QOS));
2392 static bool ath10k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta)
2394 return sta->supp_rates[IEEE80211_BAND_2GHZ] >>
2395 ATH10K_MAC_FIRST_OFDM_RATE_IDX;
2398 static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
2399 struct ieee80211_vif *vif,
2400 struct ieee80211_sta *sta,
2401 struct wmi_peer_assoc_complete_arg *arg)
2403 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2404 struct cfg80211_chan_def def;
2405 enum ieee80211_band band;
2406 const u8 *ht_mcs_mask;
2407 const u16 *vht_mcs_mask;
2408 enum wmi_phy_mode phymode = MODE_UNKNOWN;
2410 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2413 band = def.chan->band;
2414 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2415 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2418 case IEEE80211_BAND_2GHZ:
2419 if (sta->vht_cap.vht_supported &&
2420 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
2421 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2422 phymode = MODE_11AC_VHT40;
2424 phymode = MODE_11AC_VHT20;
2425 } else if (sta->ht_cap.ht_supported &&
2426 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2427 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2428 phymode = MODE_11NG_HT40;
2430 phymode = MODE_11NG_HT20;
2431 } else if (ath10k_mac_sta_has_ofdm_only(sta)) {
2438 case IEEE80211_BAND_5GHZ:
2442 if (sta->vht_cap.vht_supported &&
2443 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
2444 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
2445 phymode = MODE_11AC_VHT80;
2446 else if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2447 phymode = MODE_11AC_VHT40;
2448 else if (sta->bandwidth == IEEE80211_STA_RX_BW_20)
2449 phymode = MODE_11AC_VHT20;
2450 } else if (sta->ht_cap.ht_supported &&
2451 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2452 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40)
2453 phymode = MODE_11NA_HT40;
2455 phymode = MODE_11NA_HT20;
2465 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM phymode %s\n",
2466 sta->addr, ath10k_wmi_phymode_str(phymode));
2468 arg->peer_phymode = phymode;
2469 WARN_ON(phymode == MODE_UNKNOWN);
2472 static int ath10k_peer_assoc_prepare(struct ath10k *ar,
2473 struct ieee80211_vif *vif,
2474 struct ieee80211_sta *sta,
2475 struct wmi_peer_assoc_complete_arg *arg)
2477 lockdep_assert_held(&ar->conf_mutex);
2479 memset(arg, 0, sizeof(*arg));
2481 ath10k_peer_assoc_h_basic(ar, vif, sta, arg);
2482 ath10k_peer_assoc_h_crypto(ar, vif, arg);
2483 ath10k_peer_assoc_h_rates(ar, vif, sta, arg);
2484 ath10k_peer_assoc_h_ht(ar, vif, sta, arg);
2485 ath10k_peer_assoc_h_vht(ar, vif, sta, arg);
2486 ath10k_peer_assoc_h_qos(ar, vif, sta, arg);
2487 ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
2492 static const u32 ath10k_smps_map[] = {
2493 [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC,
2494 [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC,
2495 [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE,
2496 [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE,
2499 static int ath10k_setup_peer_smps(struct ath10k *ar, struct ath10k_vif *arvif,
2501 const struct ieee80211_sta_ht_cap *ht_cap)
2505 if (!ht_cap->ht_supported)
2508 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;
2509 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;
2511 if (smps >= ARRAY_SIZE(ath10k_smps_map))
2514 return ath10k_wmi_peer_set_param(ar, arvif->vdev_id, addr,
2515 WMI_PEER_SMPS_STATE,
2516 ath10k_smps_map[smps]);
2519 static int ath10k_mac_vif_recalc_txbf(struct ath10k *ar,
2520 struct ieee80211_vif *vif,
2521 struct ieee80211_sta_vht_cap vht_cap)
2523 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2528 if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_AFTER_ASSOC)
2531 if (!(ar->vht_cap_info &
2532 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
2533 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
2534 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
2535 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)))
2538 param = ar->wmi.vdev_param->txbf;
2541 if (WARN_ON(param == WMI_VDEV_PARAM_UNSUPPORTED))
2544 /* The following logic is correct. If a remote STA advertises support
2545 * for being a beamformer then we should enable us being a beamformee.
2548 if (ar->vht_cap_info &
2549 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
2550 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
2551 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
2552 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
2554 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
2555 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE;
2558 if (ar->vht_cap_info &
2559 (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
2560 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
2561 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
2562 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
2564 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
2565 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER;
2568 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFEE)
2569 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
2571 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFER)
2572 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
2574 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, value);
2576 ath10k_warn(ar, "failed to submit vdev param txbf 0x%x: %d\n",
2584 /* can be called only in mac80211 callbacks due to `key_count` usage */
2585 static void ath10k_bss_assoc(struct ieee80211_hw *hw,
2586 struct ieee80211_vif *vif,
2587 struct ieee80211_bss_conf *bss_conf)
2589 struct ath10k *ar = hw->priv;
2590 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2591 struct ieee80211_sta_ht_cap ht_cap;
2592 struct ieee80211_sta_vht_cap vht_cap;
2593 struct wmi_peer_assoc_complete_arg peer_arg;
2594 struct ieee80211_sta *ap_sta;
2597 lockdep_assert_held(&ar->conf_mutex);
2599 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n",
2600 arvif->vdev_id, arvif->bssid, arvif->aid);
2604 ap_sta = ieee80211_find_sta(vif, bss_conf->bssid);
2606 ath10k_warn(ar, "failed to find station entry for bss %pM vdev %i\n",
2607 bss_conf->bssid, arvif->vdev_id);
2612 /* ap_sta must be accessed only within rcu section which must be left
2613 * before calling ath10k_setup_peer_smps() which might sleep. */
2614 ht_cap = ap_sta->ht_cap;
2615 vht_cap = ap_sta->vht_cap;
2617 ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg);
2619 ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n",
2620 bss_conf->bssid, arvif->vdev_id, ret);
2627 ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
2629 ath10k_warn(ar, "failed to run peer assoc for %pM vdev %i: %d\n",
2630 bss_conf->bssid, arvif->vdev_id, ret);
2634 ret = ath10k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ht_cap);
2636 ath10k_warn(ar, "failed to setup peer SMPS for vdev %i: %d\n",
2637 arvif->vdev_id, ret);
2641 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
2643 ath10k_warn(ar, "failed to recalc txbf for vdev %i on bss %pM: %d\n",
2644 arvif->vdev_id, bss_conf->bssid, ret);
2648 ath10k_dbg(ar, ATH10K_DBG_MAC,
2649 "mac vdev %d up (associated) bssid %pM aid %d\n",
2650 arvif->vdev_id, bss_conf->bssid, bss_conf->aid);
2652 WARN_ON(arvif->is_up);
2654 arvif->aid = bss_conf->aid;
2655 ether_addr_copy(arvif->bssid, bss_conf->bssid);
2657 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid);
2659 ath10k_warn(ar, "failed to set vdev %d up: %d\n",
2660 arvif->vdev_id, ret);
2664 arvif->is_up = true;
2666 /* Workaround: Some firmware revisions (tested with qca6174
2667 * WLAN.RM.2.0-00073) have buggy powersave state machine and must be
2668 * poked with peer param command.
2670 ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, arvif->bssid,
2671 WMI_PEER_DUMMY_VAR, 1);
2673 ath10k_warn(ar, "failed to poke peer %pM param for ps workaround on vdev %i: %d\n",
2674 arvif->bssid, arvif->vdev_id, ret);
2679 static void ath10k_bss_disassoc(struct ieee80211_hw *hw,
2680 struct ieee80211_vif *vif)
2682 struct ath10k *ar = hw->priv;
2683 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2684 struct ieee80211_sta_vht_cap vht_cap = {};
2687 lockdep_assert_held(&ar->conf_mutex);
2689 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n",
2690 arvif->vdev_id, arvif->bssid);
2692 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
2694 ath10k_warn(ar, "faield to down vdev %i: %d\n",
2695 arvif->vdev_id, ret);
2697 arvif->def_wep_key_idx = -1;
2699 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
2701 ath10k_warn(ar, "failed to recalc txbf for vdev %i: %d\n",
2702 arvif->vdev_id, ret);
2706 arvif->is_up = false;
2708 cancel_delayed_work_sync(&arvif->connection_loss_work);
2711 static int ath10k_station_assoc(struct ath10k *ar,
2712 struct ieee80211_vif *vif,
2713 struct ieee80211_sta *sta,
2716 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2717 struct wmi_peer_assoc_complete_arg peer_arg;
2720 lockdep_assert_held(&ar->conf_mutex);
2722 ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg);
2724 ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n",
2725 sta->addr, arvif->vdev_id, ret);
2729 ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
2731 ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n",
2732 sta->addr, arvif->vdev_id, ret);
2736 /* Re-assoc is run only to update supported rates for given station. It
2737 * doesn't make much sense to reconfigure the peer completely.
2740 ret = ath10k_setup_peer_smps(ar, arvif, sta->addr,
2743 ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n",
2744 arvif->vdev_id, ret);
2748 ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta);
2750 ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n",
2751 sta->addr, arvif->vdev_id, ret);
2756 arvif->num_legacy_stations++;
2757 ret = ath10k_recalc_rtscts_prot(arvif);
2759 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
2760 arvif->vdev_id, ret);
2765 /* Plumb cached keys only for static WEP */
2766 if (arvif->def_wep_key_idx != -1) {
2767 ret = ath10k_install_peer_wep_keys(arvif, sta->addr);
2769 ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n",
2770 arvif->vdev_id, ret);
2779 static int ath10k_station_disassoc(struct ath10k *ar,
2780 struct ieee80211_vif *vif,
2781 struct ieee80211_sta *sta)
2783 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2786 lockdep_assert_held(&ar->conf_mutex);
2789 arvif->num_legacy_stations--;
2790 ret = ath10k_recalc_rtscts_prot(arvif);
2792 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
2793 arvif->vdev_id, ret);
2798 ret = ath10k_clear_peer_keys(arvif, sta->addr);
2800 ath10k_warn(ar, "failed to clear all peer wep keys for vdev %i: %d\n",
2801 arvif->vdev_id, ret);
2812 static int ath10k_update_channel_list(struct ath10k *ar)
2814 struct ieee80211_hw *hw = ar->hw;
2815 struct ieee80211_supported_band **bands;
2816 enum ieee80211_band band;
2817 struct ieee80211_channel *channel;
2818 struct wmi_scan_chan_list_arg arg = {0};
2819 struct wmi_channel_arg *ch;
2825 lockdep_assert_held(&ar->conf_mutex);
2827 bands = hw->wiphy->bands;
2828 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2832 for (i = 0; i < bands[band]->n_channels; i++) {
2833 if (bands[band]->channels[i].flags &
2834 IEEE80211_CHAN_DISABLED)
2841 len = sizeof(struct wmi_channel_arg) * arg.n_channels;
2842 arg.channels = kzalloc(len, GFP_KERNEL);
2847 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2851 for (i = 0; i < bands[band]->n_channels; i++) {
2852 channel = &bands[band]->channels[i];
2854 if (channel->flags & IEEE80211_CHAN_DISABLED)
2857 ch->allow_ht = true;
2859 /* FIXME: when should we really allow VHT? */
2860 ch->allow_vht = true;
2863 !(channel->flags & IEEE80211_CHAN_NO_IR);
2866 !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS);
2869 !!(channel->flags & IEEE80211_CHAN_RADAR);
2871 passive = channel->flags & IEEE80211_CHAN_NO_IR;
2872 ch->passive = passive;
2874 ch->freq = channel->center_freq;
2875 ch->band_center_freq1 = channel->center_freq;
2877 ch->max_power = channel->max_power * 2;
2878 ch->max_reg_power = channel->max_reg_power * 2;
2879 ch->max_antenna_gain = channel->max_antenna_gain * 2;
2880 ch->reg_class_id = 0; /* FIXME */
2882 /* FIXME: why use only legacy modes, why not any
2883 * HT/VHT modes? Would that even make any
2885 if (channel->band == IEEE80211_BAND_2GHZ)
2886 ch->mode = MODE_11G;
2888 ch->mode = MODE_11A;
2890 if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN))
2893 ath10k_dbg(ar, ATH10K_DBG_WMI,
2894 "mac channel [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n",
2895 ch - arg.channels, arg.n_channels,
2896 ch->freq, ch->max_power, ch->max_reg_power,
2897 ch->max_antenna_gain, ch->mode);
2903 ret = ath10k_wmi_scan_chan_list(ar, &arg);
2904 kfree(arg.channels);
2909 static enum wmi_dfs_region
2910 ath10k_mac_get_dfs_region(enum nl80211_dfs_regions dfs_region)
2912 switch (dfs_region) {
2913 case NL80211_DFS_UNSET:
2914 return WMI_UNINIT_DFS_DOMAIN;
2915 case NL80211_DFS_FCC:
2916 return WMI_FCC_DFS_DOMAIN;
2917 case NL80211_DFS_ETSI:
2918 return WMI_ETSI_DFS_DOMAIN;
2919 case NL80211_DFS_JP:
2920 return WMI_MKK4_DFS_DOMAIN;
2922 return WMI_UNINIT_DFS_DOMAIN;
2925 static void ath10k_regd_update(struct ath10k *ar)
2927 struct reg_dmn_pair_mapping *regpair;
2929 enum wmi_dfs_region wmi_dfs_reg;
2930 enum nl80211_dfs_regions nl_dfs_reg;
2932 lockdep_assert_held(&ar->conf_mutex);
2934 ret = ath10k_update_channel_list(ar);
2936 ath10k_warn(ar, "failed to update channel list: %d\n", ret);
2938 regpair = ar->ath_common.regulatory.regpair;
2940 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
2941 nl_dfs_reg = ar->dfs_detector->region;
2942 wmi_dfs_reg = ath10k_mac_get_dfs_region(nl_dfs_reg);
2944 wmi_dfs_reg = WMI_UNINIT_DFS_DOMAIN;
2947 /* Target allows setting up per-band regdomain but ath_common provides
2948 * a combined one only */
2949 ret = ath10k_wmi_pdev_set_regdomain(ar,
2950 regpair->reg_domain,
2951 regpair->reg_domain, /* 2ghz */
2952 regpair->reg_domain, /* 5ghz */
2953 regpair->reg_2ghz_ctl,
2954 regpair->reg_5ghz_ctl,
2957 ath10k_warn(ar, "failed to set pdev regdomain: %d\n", ret);
2960 static void ath10k_reg_notifier(struct wiphy *wiphy,
2961 struct regulatory_request *request)
2963 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
2964 struct ath10k *ar = hw->priv;
2967 ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory);
2969 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
2970 ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs region 0x%x\n",
2971 request->dfs_region);
2972 result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector,
2973 request->dfs_region);
2975 ath10k_warn(ar, "DFS region 0x%X not supported, will trigger radar for every pulse\n",
2976 request->dfs_region);
2979 mutex_lock(&ar->conf_mutex);
2980 if (ar->state == ATH10K_STATE_ON)
2981 ath10k_regd_update(ar);
2982 mutex_unlock(&ar->conf_mutex);
2989 void ath10k_mac_tx_lock(struct ath10k *ar, int reason)
2991 lockdep_assert_held(&ar->htt.tx_lock);
2993 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
2994 ar->tx_paused |= BIT(reason);
2995 ieee80211_stop_queues(ar->hw);
2998 static void ath10k_mac_tx_unlock_iter(void *data, u8 *mac,
2999 struct ieee80211_vif *vif)
3001 struct ath10k *ar = data;
3002 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3004 if (arvif->tx_paused)
3007 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
3010 void ath10k_mac_tx_unlock(struct ath10k *ar, int reason)
3012 lockdep_assert_held(&ar->htt.tx_lock);
3014 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
3015 ar->tx_paused &= ~BIT(reason);
3020 ieee80211_iterate_active_interfaces_atomic(ar->hw,
3021 IEEE80211_IFACE_ITER_RESUME_ALL,
3022 ath10k_mac_tx_unlock_iter,
3025 ieee80211_wake_queue(ar->hw, ar->hw->offchannel_tx_hw_queue);
3028 void ath10k_mac_vif_tx_lock(struct ath10k_vif *arvif, int reason)
3030 struct ath10k *ar = arvif->ar;
3032 lockdep_assert_held(&ar->htt.tx_lock);
3034 WARN_ON(reason >= BITS_PER_LONG);
3035 arvif->tx_paused |= BIT(reason);
3036 ieee80211_stop_queue(ar->hw, arvif->vdev_id);
3039 void ath10k_mac_vif_tx_unlock(struct ath10k_vif *arvif, int reason)
3041 struct ath10k *ar = arvif->ar;
3043 lockdep_assert_held(&ar->htt.tx_lock);
3045 WARN_ON(reason >= BITS_PER_LONG);
3046 arvif->tx_paused &= ~BIT(reason);
3051 if (arvif->tx_paused)
3054 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
3057 static void ath10k_mac_vif_handle_tx_pause(struct ath10k_vif *arvif,
3058 enum wmi_tlv_tx_pause_id pause_id,
3059 enum wmi_tlv_tx_pause_action action)
3061 struct ath10k *ar = arvif->ar;
3063 lockdep_assert_held(&ar->htt.tx_lock);
3066 case WMI_TLV_TX_PAUSE_ACTION_STOP:
3067 ath10k_mac_vif_tx_lock(arvif, pause_id);
3069 case WMI_TLV_TX_PAUSE_ACTION_WAKE:
3070 ath10k_mac_vif_tx_unlock(arvif, pause_id);
3073 ath10k_warn(ar, "received unknown tx pause action %d on vdev %i, ignoring\n",
3074 action, arvif->vdev_id);
3079 struct ath10k_mac_tx_pause {
3081 enum wmi_tlv_tx_pause_id pause_id;
3082 enum wmi_tlv_tx_pause_action action;
3085 static void ath10k_mac_handle_tx_pause_iter(void *data, u8 *mac,
3086 struct ieee80211_vif *vif)
3088 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3089 struct ath10k_mac_tx_pause *arg = data;
3091 if (arvif->vdev_id != arg->vdev_id)
3094 ath10k_mac_vif_handle_tx_pause(arvif, arg->pause_id, arg->action);
3097 void ath10k_mac_handle_tx_pause_vdev(struct ath10k *ar, u32 vdev_id,
3098 enum wmi_tlv_tx_pause_id pause_id,
3099 enum wmi_tlv_tx_pause_action action)
3101 struct ath10k_mac_tx_pause arg = {
3103 .pause_id = pause_id,
3107 spin_lock_bh(&ar->htt.tx_lock);
3108 ieee80211_iterate_active_interfaces_atomic(ar->hw,
3109 IEEE80211_IFACE_ITER_RESUME_ALL,
3110 ath10k_mac_handle_tx_pause_iter,
3112 spin_unlock_bh(&ar->htt.tx_lock);
3115 static u8 ath10k_tx_h_get_tid(struct ieee80211_hdr *hdr)
3117 if (ieee80211_is_mgmt(hdr->frame_control))
3118 return HTT_DATA_TX_EXT_TID_MGMT;
3120 if (!ieee80211_is_data_qos(hdr->frame_control))
3121 return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;
3123 if (!is_unicast_ether_addr(ieee80211_get_DA(hdr)))
3124 return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;
3126 return ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
3129 static u8 ath10k_tx_h_get_vdev_id(struct ath10k *ar, struct ieee80211_vif *vif)
3132 return ath10k_vif_to_arvif(vif)->vdev_id;
3134 if (ar->monitor_started)
3135 return ar->monitor_vdev_id;
3137 ath10k_warn(ar, "failed to resolve vdev id\n");
3141 static enum ath10k_hw_txrx_mode
3142 ath10k_tx_h_get_txmode(struct ath10k *ar, struct ieee80211_vif *vif,
3143 struct ieee80211_sta *sta, struct sk_buff *skb)
3145 const struct ieee80211_hdr *hdr = (void *)skb->data;
3146 __le16 fc = hdr->frame_control;
3148 if (!vif || vif->type == NL80211_IFTYPE_MONITOR)
3149 return ATH10K_HW_TXRX_RAW;
3151 if (ieee80211_is_mgmt(fc))
3152 return ATH10K_HW_TXRX_MGMT;
3156 * NullFunc frames are mostly used to ping if a client or AP are still
3157 * reachable and responsive. This implies tx status reports must be
3158 * accurate - otherwise either mac80211 or userspace (e.g. hostapd) can
3159 * come to a conclusion that the other end disappeared and tear down
3160 * BSS connection or it can never disconnect from BSS/client (which is
3163 * Firmware with HTT older than 3.0 delivers incorrect tx status for
3164 * NullFunc frames to driver. However there's a HTT Mgmt Tx command
3165 * which seems to deliver correct tx reports for NullFunc frames. The
3166 * downside of using it is it ignores client powersave state so it can
3167 * end up disconnecting sleeping clients in AP mode. It should fix STA
3168 * mode though because AP don't sleep.
3170 if (ar->htt.target_version_major < 3 &&
3171 (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) &&
3172 !test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, ar->fw_features))
3173 return ATH10K_HW_TXRX_MGMT;
3177 * Some wmi-tlv firmwares for qca6174 have broken Tx key selection for
3178 * NativeWifi txmode - it selects AP key instead of peer key. It seems
3179 * to work with Ethernet txmode so use it.
3181 * FIXME: Check if raw mode works with TDLS.
3183 if (ieee80211_is_data_present(fc) && sta && sta->tdls)
3184 return ATH10K_HW_TXRX_ETHERNET;
3186 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
3187 return ATH10K_HW_TXRX_RAW;
3189 return ATH10K_HW_TXRX_NATIVE_WIFI;
3192 static bool ath10k_tx_h_use_hwcrypto(struct ieee80211_vif *vif,
3193 struct sk_buff *skb) {
3194 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3195 const u32 mask = IEEE80211_TX_INTFL_DONT_ENCRYPT |
3196 IEEE80211_TX_CTL_INJECTED;
3197 if ((info->flags & mask) == mask)
3200 return !ath10k_vif_to_arvif(vif)->nohwcrypt;
3204 /* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS
3205 * Control in the header.
3207 static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb)
3209 struct ieee80211_hdr *hdr = (void *)skb->data;
3210 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
3213 if (!ieee80211_is_data_qos(hdr->frame_control))
3216 qos_ctl = ieee80211_get_qos_ctl(hdr);
3217 memmove(skb->data + IEEE80211_QOS_CTL_LEN,
3218 skb->data, (void *)qos_ctl - (void *)skb->data);
3219 skb_pull(skb, IEEE80211_QOS_CTL_LEN);
3221 /* Some firmware revisions don't handle sending QoS NullFunc well.
3222 * These frames are mainly used for CQM purposes so it doesn't really
3223 * matter whether QoS NullFunc or NullFunc are sent.
3225 hdr = (void *)skb->data;
3226 if (ieee80211_is_qos_nullfunc(hdr->frame_control))
3227 cb->htt.tid = HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;
3229 hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
3232 static void ath10k_tx_h_8023(struct sk_buff *skb)
3234 struct ieee80211_hdr *hdr;
3235 struct rfc1042_hdr *rfc1042;
3242 hdr = (void *)skb->data;
3243 hdrlen = ieee80211_hdrlen(hdr->frame_control);
3244 rfc1042 = (void *)skb->data + hdrlen;
3246 ether_addr_copy(da, ieee80211_get_DA(hdr));
3247 ether_addr_copy(sa, ieee80211_get_SA(hdr));
3248 type = rfc1042->snap_type;
3250 skb_pull(skb, hdrlen + sizeof(*rfc1042));
3251 skb_push(skb, sizeof(*eth));
3253 eth = (void *)skb->data;
3254 ether_addr_copy(eth->h_dest, da);
3255 ether_addr_copy(eth->h_source, sa);
3256 eth->h_proto = type;
3259 static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar,
3260 struct ieee80211_vif *vif,
3261 struct sk_buff *skb)
3263 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
3264 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3266 /* This is case only for P2P_GO */
3267 if (arvif->vdev_type != WMI_VDEV_TYPE_AP ||
3268 arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO)
3271 if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) {
3272 spin_lock_bh(&ar->data_lock);
3273 if (arvif->u.ap.noa_data)
3274 if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len,
3276 memcpy(skb_put(skb, arvif->u.ap.noa_len),
3277 arvif->u.ap.noa_data,
3278 arvif->u.ap.noa_len);
3279 spin_unlock_bh(&ar->data_lock);
3283 static bool ath10k_mac_need_offchan_tx_work(struct ath10k *ar)
3285 /* FIXME: Not really sure since when the behaviour changed. At some
3286 * point new firmware stopped requiring creation of peer entries for
3287 * offchannel tx (and actually creating them causes issues with wmi-htc
3288 * tx credit replenishment and reliability). Assuming it's at least 3.4
3289 * because that's when the `freq` was introduced to TX_FRM HTT command.
3291 return !(ar->htt.target_version_major >= 3 &&
3292 ar->htt.target_version_minor >= 4);
3295 static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb)
3297 struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue;
3300 spin_lock_bh(&ar->data_lock);
3302 if (skb_queue_len(q) == ATH10K_MAX_NUM_MGMT_PENDING) {
3303 ath10k_warn(ar, "wmi mgmt tx queue is full\n");
3308 __skb_queue_tail(q, skb);
3309 ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work);
3312 spin_unlock_bh(&ar->data_lock);
3317 static void ath10k_mac_tx(struct ath10k *ar, struct sk_buff *skb)
3319 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
3320 struct ath10k_htt *htt = &ar->htt;
3323 switch (cb->txmode) {
3324 case ATH10K_HW_TXRX_RAW:
3325 case ATH10K_HW_TXRX_NATIVE_WIFI:
3326 case ATH10K_HW_TXRX_ETHERNET:
3327 ret = ath10k_htt_tx(htt, skb);
3329 case ATH10K_HW_TXRX_MGMT:
3330 if (test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX,
3332 ret = ath10k_mac_tx_wmi_mgmt(ar, skb);
3333 else if (ar->htt.target_version_major >= 3)
3334 ret = ath10k_htt_tx(htt, skb);
3336 ret = ath10k_htt_mgmt_tx(htt, skb);
3341 ath10k_warn(ar, "failed to transmit packet, dropping: %d\n",
3343 ieee80211_free_txskb(ar->hw, skb);
3347 void ath10k_offchan_tx_purge(struct ath10k *ar)
3349 struct sk_buff *skb;
3352 skb = skb_dequeue(&ar->offchan_tx_queue);
3356 ieee80211_free_txskb(ar->hw, skb);
3360 void ath10k_offchan_tx_work(struct work_struct *work)
3362 struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work);
3363 struct ath10k_peer *peer;
3364 struct ieee80211_hdr *hdr;
3365 struct sk_buff *skb;
3366 const u8 *peer_addr;
3369 unsigned long time_left;
3370 bool tmp_peer_created = false;
3372 /* FW requirement: We must create a peer before FW will send out
3373 * an offchannel frame. Otherwise the frame will be stuck and
3374 * never transmitted. We delete the peer upon tx completion.
3375 * It is unlikely that a peer for offchannel tx will already be
3376 * present. However it may be in some rare cases so account for that.
3377 * Otherwise we might remove a legitimate peer and break stuff. */
3380 skb = skb_dequeue(&ar->offchan_tx_queue);
3384 mutex_lock(&ar->conf_mutex);
3386 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %p\n",
3389 hdr = (struct ieee80211_hdr *)skb->data;
3390 peer_addr = ieee80211_get_DA(hdr);
3391 vdev_id = ATH10K_SKB_CB(skb)->vdev_id;
3393 spin_lock_bh(&ar->data_lock);
3394 peer = ath10k_peer_find(ar, vdev_id, peer_addr);
3395 spin_unlock_bh(&ar->data_lock);
3398 /* FIXME: should this use ath10k_warn()? */
3399 ath10k_dbg(ar, ATH10K_DBG_MAC, "peer %pM on vdev %d already present\n",
3400 peer_addr, vdev_id);
3403 ret = ath10k_peer_create(ar, vdev_id, peer_addr,
3404 WMI_PEER_TYPE_DEFAULT);
3406 ath10k_warn(ar, "failed to create peer %pM on vdev %d: %d\n",
3407 peer_addr, vdev_id, ret);
3408 tmp_peer_created = (ret == 0);
3411 spin_lock_bh(&ar->data_lock);
3412 reinit_completion(&ar->offchan_tx_completed);
3413 ar->offchan_tx_skb = skb;
3414 spin_unlock_bh(&ar->data_lock);
3416 ath10k_mac_tx(ar, skb);
3419 wait_for_completion_timeout(&ar->offchan_tx_completed, 3 * HZ);
3421 ath10k_warn(ar, "timed out waiting for offchannel skb %p\n",
3424 if (!peer && tmp_peer_created) {
3425 ret = ath10k_peer_delete(ar, vdev_id, peer_addr);
3427 ath10k_warn(ar, "failed to delete peer %pM on vdev %d: %d\n",
3428 peer_addr, vdev_id, ret);
3431 mutex_unlock(&ar->conf_mutex);
3435 void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar)
3437 struct sk_buff *skb;
3440 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
3444 ieee80211_free_txskb(ar->hw, skb);
3448 void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work)
3450 struct ath10k *ar = container_of(work, struct ath10k, wmi_mgmt_tx_work);
3451 struct sk_buff *skb;
3455 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
3459 ret = ath10k_wmi_mgmt_tx(ar, skb);
3461 ath10k_warn(ar, "failed to transmit management frame via WMI: %d\n",
3463 ieee80211_free_txskb(ar->hw, skb);
3472 void __ath10k_scan_finish(struct ath10k *ar)
3474 lockdep_assert_held(&ar->data_lock);
3476 switch (ar->scan.state) {
3477 case ATH10K_SCAN_IDLE:
3479 case ATH10K_SCAN_RUNNING:
3480 case ATH10K_SCAN_ABORTING:
3481 if (!ar->scan.is_roc)
3482 ieee80211_scan_completed(ar->hw,
3484 ATH10K_SCAN_ABORTING));
3485 else if (ar->scan.roc_notify)
3486 ieee80211_remain_on_channel_expired(ar->hw);
3488 case ATH10K_SCAN_STARTING:
3489 ar->scan.state = ATH10K_SCAN_IDLE;
3490 ar->scan_channel = NULL;
3491 ath10k_offchan_tx_purge(ar);
3492 cancel_delayed_work(&ar->scan.timeout);
3493 complete_all(&ar->scan.completed);
3498 void ath10k_scan_finish(struct ath10k *ar)
3500 spin_lock_bh(&ar->data_lock);
3501 __ath10k_scan_finish(ar);
3502 spin_unlock_bh(&ar->data_lock);
3505 static int ath10k_scan_stop(struct ath10k *ar)
3507 struct wmi_stop_scan_arg arg = {
3508 .req_id = 1, /* FIXME */
3509 .req_type = WMI_SCAN_STOP_ONE,
3510 .u.scan_id = ATH10K_SCAN_ID,
3514 lockdep_assert_held(&ar->conf_mutex);
3516 ret = ath10k_wmi_stop_scan(ar, &arg);
3518 ath10k_warn(ar, "failed to stop wmi scan: %d\n", ret);
3522 ret = wait_for_completion_timeout(&ar->scan.completed, 3*HZ);
3524 ath10k_warn(ar, "failed to receive scan abortion completion: timed out\n");
3526 } else if (ret > 0) {
3531 /* Scan state should be updated upon scan completion but in case
3532 * firmware fails to deliver the event (for whatever reason) it is
3533 * desired to clean up scan state anyway. Firmware may have just
3534 * dropped the scan completion event delivery due to transport pipe
3535 * being overflown with data and/or it can recover on its own before
3536 * next scan request is submitted.
3538 spin_lock_bh(&ar->data_lock);
3539 if (ar->scan.state != ATH10K_SCAN_IDLE)
3540 __ath10k_scan_finish(ar);
3541 spin_unlock_bh(&ar->data_lock);
3546 static void ath10k_scan_abort(struct ath10k *ar)
3550 lockdep_assert_held(&ar->conf_mutex);
3552 spin_lock_bh(&ar->data_lock);
3554 switch (ar->scan.state) {
3555 case ATH10K_SCAN_IDLE:
3556 /* This can happen if timeout worker kicked in and called
3557 * abortion while scan completion was being processed.
3560 case ATH10K_SCAN_STARTING:
3561 case ATH10K_SCAN_ABORTING:
3562 ath10k_warn(ar, "refusing scan abortion due to invalid scan state: %s (%d)\n",
3563 ath10k_scan_state_str(ar->scan.state),
3566 case ATH10K_SCAN_RUNNING:
3567 ar->scan.state = ATH10K_SCAN_ABORTING;
3568 spin_unlock_bh(&ar->data_lock);
3570 ret = ath10k_scan_stop(ar);
3572 ath10k_warn(ar, "failed to abort scan: %d\n", ret);
3574 spin_lock_bh(&ar->data_lock);
3578 spin_unlock_bh(&ar->data_lock);
3581 void ath10k_scan_timeout_work(struct work_struct *work)
3583 struct ath10k *ar = container_of(work, struct ath10k,
3586 mutex_lock(&ar->conf_mutex);
3587 ath10k_scan_abort(ar);
3588 mutex_unlock(&ar->conf_mutex);
3591 static int ath10k_start_scan(struct ath10k *ar,
3592 const struct wmi_start_scan_arg *arg)
3596 lockdep_assert_held(&ar->conf_mutex);
3598 ret = ath10k_wmi_start_scan(ar, arg);
3602 ret = wait_for_completion_timeout(&ar->scan.started, 1*HZ);
3604 ret = ath10k_scan_stop(ar);
3606 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
3611 /* If we failed to start the scan, return error code at
3612 * this point. This is probably due to some issue in the
3613 * firmware, but no need to wedge the driver due to that...
3615 spin_lock_bh(&ar->data_lock);
3616 if (ar->scan.state == ATH10K_SCAN_IDLE) {
3617 spin_unlock_bh(&ar->data_lock);
3620 spin_unlock_bh(&ar->data_lock);
3625 /**********************/
3626 /* mac80211 callbacks */
3627 /**********************/
3629 static void ath10k_tx(struct ieee80211_hw *hw,
3630 struct ieee80211_tx_control *control,
3631 struct sk_buff *skb)
3633 struct ath10k *ar = hw->priv;
3634 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3635 struct ieee80211_vif *vif = info->control.vif;
3636 struct ieee80211_sta *sta = control->sta;
3637 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
3638 __le16 fc = hdr->frame_control;
3640 /* We should disable CCK RATE due to P2P */
3641 if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE)
3642 ath10k_dbg(ar, ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n");
3644 ATH10K_SKB_CB(skb)->htt.is_offchan = false;
3645 ATH10K_SKB_CB(skb)->htt.freq = 0;
3646 ATH10K_SKB_CB(skb)->htt.tid = ath10k_tx_h_get_tid(hdr);
3647 ATH10K_SKB_CB(skb)->htt.nohwcrypt = !ath10k_tx_h_use_hwcrypto(vif, skb);
3648 ATH10K_SKB_CB(skb)->vdev_id = ath10k_tx_h_get_vdev_id(ar, vif);
3649 ATH10K_SKB_CB(skb)->txmode = ath10k_tx_h_get_txmode(ar, vif, sta, skb);
3650 ATH10K_SKB_CB(skb)->is_protected = ieee80211_has_protected(fc);
3652 switch (ATH10K_SKB_CB(skb)->txmode) {
3653 case ATH10K_HW_TXRX_MGMT:
3654 case ATH10K_HW_TXRX_NATIVE_WIFI:
3655 ath10k_tx_h_nwifi(hw, skb);
3656 ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb);
3657 ath10k_tx_h_seq_no(vif, skb);
3659 case ATH10K_HW_TXRX_ETHERNET:
3660 ath10k_tx_h_8023(skb);
3662 case ATH10K_HW_TXRX_RAW:
3663 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
3665 ieee80211_free_txskb(hw, skb);
3670 if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) {
3671 spin_lock_bh(&ar->data_lock);
3672 ATH10K_SKB_CB(skb)->htt.freq = ar->scan.roc_freq;
3673 ATH10K_SKB_CB(skb)->vdev_id = ar->scan.vdev_id;
3674 spin_unlock_bh(&ar->data_lock);
3676 if (ath10k_mac_need_offchan_tx_work(ar)) {
3677 ATH10K_SKB_CB(skb)->htt.freq = 0;
3678 ATH10K_SKB_CB(skb)->htt.is_offchan = true;
3680 ath10k_dbg(ar, ATH10K_DBG_MAC, "queued offchannel skb %p\n",
3683 skb_queue_tail(&ar->offchan_tx_queue, skb);
3684 ieee80211_queue_work(hw, &ar->offchan_tx_work);
3689 ath10k_mac_tx(ar, skb);
3692 /* Must not be called with conf_mutex held as workers can use that also. */
3693 void ath10k_drain_tx(struct ath10k *ar)
3695 /* make sure rcu-protected mac80211 tx path itself is drained */
3698 ath10k_offchan_tx_purge(ar);
3699 ath10k_mgmt_over_wmi_tx_purge(ar);
3701 cancel_work_sync(&ar->offchan_tx_work);
3702 cancel_work_sync(&ar->wmi_mgmt_tx_work);
3705 void ath10k_halt(struct ath10k *ar)
3707 struct ath10k_vif *arvif;
3709 lockdep_assert_held(&ar->conf_mutex);
3711 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
3712 ar->filter_flags = 0;
3713 ar->monitor = false;
3714 ar->monitor_arvif = NULL;
3716 if (ar->monitor_started)
3717 ath10k_monitor_stop(ar);
3719 ar->monitor_started = false;
3722 ath10k_scan_finish(ar);
3723 ath10k_peer_cleanup_all(ar);
3724 ath10k_core_stop(ar);
3725 ath10k_hif_power_down(ar);
3727 spin_lock_bh(&ar->data_lock);
3728 list_for_each_entry(arvif, &ar->arvifs, list)
3729 ath10k_mac_vif_beacon_cleanup(arvif);
3730 spin_unlock_bh(&ar->data_lock);
3733 static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
3735 struct ath10k *ar = hw->priv;
3737 mutex_lock(&ar->conf_mutex);
3739 *tx_ant = ar->cfg_tx_chainmask;
3740 *rx_ant = ar->cfg_rx_chainmask;
3742 mutex_unlock(&ar->conf_mutex);
3747 static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg)
3749 /* It is not clear that allowing gaps in chainmask
3750 * is helpful. Probably it will not do what user
3751 * is hoping for, so warn in that case.
3753 if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0)
3756 ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n",
3760 static int ath10k_mac_get_vht_cap_bf_sts(struct ath10k *ar)
3762 int nsts = ar->vht_cap_info;
3764 nsts &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
3765 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
3767 /* If firmware does not deliver to host number of space-time
3768 * streams supported, assume it support up to 4 BF STS and return
3769 * the value for VHT CAP: nsts-1)
3777 static int ath10k_mac_get_vht_cap_bf_sound_dim(struct ath10k *ar)
3779 int sound_dim = ar->vht_cap_info;
3781 sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
3782 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
3784 /* If the sounding dimension is not advertised by the firmware,
3785 * let's use a default value of 1
3793 static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
3795 struct ieee80211_sta_vht_cap vht_cap = {0};
3800 vht_cap.vht_supported = 1;
3801 vht_cap.cap = ar->vht_cap_info;
3803 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
3804 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
3805 val = ath10k_mac_get_vht_cap_bf_sts(ar);
3806 val <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
3807 val &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
3812 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
3813 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
3814 val = ath10k_mac_get_vht_cap_bf_sound_dim(ar);
3815 val <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
3816 val &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
3822 for (i = 0; i < 8; i++) {
3823 if ((i < ar->num_rf_chains) && (ar->cfg_tx_chainmask & BIT(i)))
3824 mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
3826 mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
3829 vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
3830 vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
3835 static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
3838 struct ieee80211_sta_ht_cap ht_cap = {0};
3840 if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED))
3843 ht_cap.ht_supported = 1;
3844 ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
3845 ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
3846 ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
3847 ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
3848 ht_cap.cap |= WLAN_HT_CAP_SM_PS_STATIC << IEEE80211_HT_CAP_SM_PS_SHIFT;
3850 if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI)
3851 ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
3853 if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI)
3854 ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
3856 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) {
3859 smps = WLAN_HT_CAP_SM_PS_DYNAMIC;
3860 smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT;
3865 if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC)
3866 ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
3868 if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) {
3871 stbc = ar->ht_cap_info;
3872 stbc &= WMI_HT_CAP_RX_STBC;
3873 stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT;
3874 stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT;
3875 stbc &= IEEE80211_HT_CAP_RX_STBC;
3880 if (ar->ht_cap_info & WMI_HT_CAP_LDPC)
3881 ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
3883 if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT)
3884 ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT;
3886 /* max AMSDU is implicitly taken from vht_cap_info */
3887 if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK)
3888 ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
3890 for (i = 0; i < ar->num_rf_chains; i++) {
3891 if (ar->cfg_rx_chainmask & BIT(i))
3892 ht_cap.mcs.rx_mask[i] = 0xFF;
3895 ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
3900 static void ath10k_mac_setup_ht_vht_cap(struct ath10k *ar)
3902 struct ieee80211_supported_band *band;
3903 struct ieee80211_sta_vht_cap vht_cap;
3904 struct ieee80211_sta_ht_cap ht_cap;
3906 ht_cap = ath10k_get_ht_cap(ar);
3907 vht_cap = ath10k_create_vht_cap(ar);
3909 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
3910 band = &ar->mac.sbands[IEEE80211_BAND_2GHZ];
3911 band->ht_cap = ht_cap;
3913 /* Enable the VHT support at 2.4 GHz */
3914 band->vht_cap = vht_cap;
3916 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
3917 band = &ar->mac.sbands[IEEE80211_BAND_5GHZ];
3918 band->ht_cap = ht_cap;
3919 band->vht_cap = vht_cap;
3923 static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant)
3927 lockdep_assert_held(&ar->conf_mutex);
3929 ath10k_check_chain_mask(ar, tx_ant, "tx");
3930 ath10k_check_chain_mask(ar, rx_ant, "rx");
3932 ar->cfg_tx_chainmask = tx_ant;
3933 ar->cfg_rx_chainmask = rx_ant;
3935 if ((ar->state != ATH10K_STATE_ON) &&
3936 (ar->state != ATH10K_STATE_RESTARTED))
3939 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->tx_chain_mask,
3942 ath10k_warn(ar, "failed to set tx-chainmask: %d, req 0x%x\n",
3947 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rx_chain_mask,
3950 ath10k_warn(ar, "failed to set rx-chainmask: %d, req 0x%x\n",
3955 /* Reload HT/VHT capability */
3956 ath10k_mac_setup_ht_vht_cap(ar);
3961 static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
3963 struct ath10k *ar = hw->priv;
3966 mutex_lock(&ar->conf_mutex);
3967 ret = __ath10k_set_antenna(ar, tx_ant, rx_ant);
3968 mutex_unlock(&ar->conf_mutex);
3972 static int ath10k_start(struct ieee80211_hw *hw)
3974 struct ath10k *ar = hw->priv;
3979 * This makes sense only when restarting hw. It is harmless to call
3980 * uncoditionally. This is necessary to make sure no HTT/WMI tx
3981 * commands will be submitted while restarting.
3983 ath10k_drain_tx(ar);
3985 mutex_lock(&ar->conf_mutex);
3987 switch (ar->state) {
3988 case ATH10K_STATE_OFF:
3989 ar->state = ATH10K_STATE_ON;
3991 case ATH10K_STATE_RESTARTING:
3993 ar->state = ATH10K_STATE_RESTARTED;
3995 case ATH10K_STATE_ON:
3996 case ATH10K_STATE_RESTARTED:
3997 case ATH10K_STATE_WEDGED:
4001 case ATH10K_STATE_UTF:
4006 ret = ath10k_hif_power_up(ar);
4008 ath10k_err(ar, "Could not init hif: %d\n", ret);
4012 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
4014 ath10k_err(ar, "Could not init core: %d\n", ret);
4015 goto err_power_down;
4018 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->pmf_qos, 1);
4020 ath10k_warn(ar, "failed to enable PMF QOS: %d\n", ret);
4024 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->dynamic_bw, 1);
4026 ath10k_warn(ar, "failed to enable dynamic BW: %d\n", ret);
4030 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
4031 ret = ath10k_wmi_adaptive_qcs(ar, true);
4033 ath10k_warn(ar, "failed to enable adaptive qcs: %d\n",
4039 if (test_bit(WMI_SERVICE_BURST, ar->wmi.svc_map)) {
4040 burst_enable = ar->wmi.pdev_param->burst_enable;
4041 ret = ath10k_wmi_pdev_set_param(ar, burst_enable, 0);
4043 ath10k_warn(ar, "failed to disable burst: %d\n", ret);
4048 __ath10k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask);
4051 * By default FW set ARP frames ac to voice (6). In that case ARP
4052 * exchange is not working properly for UAPSD enabled AP. ARP requests
4053 * which arrives with access category 0 are processed by network stack
4054 * and send back with access category 0, but FW changes access category
4055 * to 6. Set ARP frames access category to best effort (0) solves
4059 ret = ath10k_wmi_pdev_set_param(ar,
4060 ar->wmi.pdev_param->arp_ac_override, 0);
4062 ath10k_warn(ar, "failed to set arp ac override parameter: %d\n",
4067 if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA,
4069 ret = ath10k_wmi_pdev_enable_adaptive_cca(ar, 1,
4070 WMI_CCA_DETECT_LEVEL_AUTO,
4071 WMI_CCA_DETECT_MARGIN_AUTO);
4073 ath10k_warn(ar, "failed to enable adaptive cca: %d\n",
4079 ret = ath10k_wmi_pdev_set_param(ar,
4080 ar->wmi.pdev_param->ani_enable, 1);
4082 ath10k_warn(ar, "failed to enable ani by default: %d\n",
4087 ar->ani_enabled = true;
4089 ar->num_started_vdevs = 0;
4090 ath10k_regd_update(ar);
4092 ath10k_spectral_start(ar);
4093 ath10k_thermal_set_throttling(ar);
4095 mutex_unlock(&ar->conf_mutex);
4099 ath10k_core_stop(ar);
4102 ath10k_hif_power_down(ar);
4105 ar->state = ATH10K_STATE_OFF;
4108 mutex_unlock(&ar->conf_mutex);
4112 static void ath10k_stop(struct ieee80211_hw *hw)
4114 struct ath10k *ar = hw->priv;
4116 ath10k_drain_tx(ar);
4118 mutex_lock(&ar->conf_mutex);
4119 if (ar->state != ATH10K_STATE_OFF) {
4121 ar->state = ATH10K_STATE_OFF;
4123 mutex_unlock(&ar->conf_mutex);
4125 cancel_delayed_work_sync(&ar->scan.timeout);
4126 cancel_work_sync(&ar->restart_work);
4129 static int ath10k_config_ps(struct ath10k *ar)
4131 struct ath10k_vif *arvif;
4134 lockdep_assert_held(&ar->conf_mutex);
4136 list_for_each_entry(arvif, &ar->arvifs, list) {
4137 ret = ath10k_mac_vif_setup_ps(arvif);
4139 ath10k_warn(ar, "failed to setup powersave: %d\n", ret);
4147 static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower)
4152 lockdep_assert_held(&ar->conf_mutex);
4154 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower);
4156 param = ar->wmi.pdev_param->txpower_limit2g;
4157 ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
4159 ath10k_warn(ar, "failed to set 2g txpower %d: %d\n",
4164 param = ar->wmi.pdev_param->txpower_limit5g;
4165 ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
4167 ath10k_warn(ar, "failed to set 5g txpower %d: %d\n",
4175 static int ath10k_mac_txpower_recalc(struct ath10k *ar)
4177 struct ath10k_vif *arvif;
4178 int ret, txpower = -1;
4180 lockdep_assert_held(&ar->conf_mutex);
4182 list_for_each_entry(arvif, &ar->arvifs, list) {
4183 WARN_ON(arvif->txpower < 0);
4186 txpower = arvif->txpower;
4188 txpower = min(txpower, arvif->txpower);
4191 if (WARN_ON(txpower == -1))
4194 ret = ath10k_mac_txpower_setup(ar, txpower);
4196 ath10k_warn(ar, "failed to setup tx power %d: %d\n",
4204 static int ath10k_config(struct ieee80211_hw *hw, u32 changed)
4206 struct ath10k *ar = hw->priv;
4207 struct ieee80211_conf *conf = &hw->conf;
4210 mutex_lock(&ar->conf_mutex);
4212 if (changed & IEEE80211_CONF_CHANGE_PS)
4213 ath10k_config_ps(ar);
4215 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
4216 ar->monitor = conf->flags & IEEE80211_CONF_MONITOR;
4217 ret = ath10k_monitor_recalc(ar);
4219 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4222 mutex_unlock(&ar->conf_mutex);
4226 static u32 get_nss_from_chainmask(u16 chain_mask)
4228 if ((chain_mask & 0xf) == 0xf)
4230 else if ((chain_mask & 0x7) == 0x7)
4232 else if ((chain_mask & 0x3) == 0x3)
4237 static int ath10k_mac_set_txbf_conf(struct ath10k_vif *arvif)
4240 struct ath10k *ar = arvif->ar;
4244 if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_BEFORE_ASSOC)
4247 nsts = ath10k_mac_get_vht_cap_bf_sts(ar);
4248 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
4249 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE))
4250 value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET);
4252 sound_dim = ath10k_mac_get_vht_cap_bf_sound_dim(ar);
4253 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
4254 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE))
4255 value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET);
4260 if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
4261 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
4263 if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
4264 value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFER |
4265 WMI_VDEV_PARAM_TXBF_SU_TX_BFER);
4267 if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
4268 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
4270 if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
4271 value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFEE |
4272 WMI_VDEV_PARAM_TXBF_SU_TX_BFEE);
4274 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
4275 ar->wmi.vdev_param->txbf, value);
4280 * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE,
4281 * because we will send mgmt frames without CCK. This requirement
4282 * for P2P_FIND/GO_NEG should be handled by checking CCK flag
4285 static int ath10k_add_interface(struct ieee80211_hw *hw,
4286 struct ieee80211_vif *vif)
4288 struct ath10k *ar = hw->priv;
4289 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4290 enum wmi_sta_powersave_param param;
4297 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
4299 mutex_lock(&ar->conf_mutex);
4301 memset(arvif, 0, sizeof(*arvif));
4306 INIT_LIST_HEAD(&arvif->list);
4307 INIT_WORK(&arvif->ap_csa_work, ath10k_mac_vif_ap_csa_work);
4308 INIT_DELAYED_WORK(&arvif->connection_loss_work,
4309 ath10k_mac_vif_sta_connection_loss_work);
4311 for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) {
4312 arvif->bitrate_mask.control[i].legacy = 0xffffffff;
4313 memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff,
4314 sizeof(arvif->bitrate_mask.control[i].ht_mcs));
4315 memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff,
4316 sizeof(arvif->bitrate_mask.control[i].vht_mcs));
4319 if (ar->num_peers >= ar->max_num_peers) {
4320 ath10k_warn(ar, "refusing vdev creation due to insufficient peer entry resources in firmware\n");
4325 if (ar->free_vdev_map == 0) {
4326 ath10k_warn(ar, "Free vdev map is empty, no more interfaces allowed.\n");
4330 bit = __ffs64(ar->free_vdev_map);
4332 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n",
4333 bit, ar->free_vdev_map);
4335 arvif->vdev_id = bit;
4336 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_NONE;
4338 switch (vif->type) {
4339 case NL80211_IFTYPE_P2P_DEVICE:
4340 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4341 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_DEVICE;
4343 case NL80211_IFTYPE_UNSPECIFIED:
4344 case NL80211_IFTYPE_STATION:
4345 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4347 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_CLIENT;
4349 case NL80211_IFTYPE_ADHOC:
4350 arvif->vdev_type = WMI_VDEV_TYPE_IBSS;
4352 case NL80211_IFTYPE_MESH_POINT:
4353 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
4355 ath10k_warn(ar, "must load driver with rawmode=1 to add mesh interfaces\n");
4358 arvif->vdev_type = WMI_VDEV_TYPE_AP;
4360 case NL80211_IFTYPE_AP:
4361 arvif->vdev_type = WMI_VDEV_TYPE_AP;
4364 arvif->vdev_subtype = WMI_VDEV_SUBTYPE_P2P_GO;
4366 case NL80211_IFTYPE_MONITOR:
4367 arvif->vdev_type = WMI_VDEV_TYPE_MONITOR;
4374 /* Using vdev_id as queue number will make it very easy to do per-vif
4375 * tx queue locking. This shouldn't wrap due to interface combinations
4376 * but do a modulo for correctness sake and prevent using offchannel tx
4377 * queues for regular vif tx.
4379 vif->cab_queue = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
4380 for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++)
4381 vif->hw_queue[i] = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
4383 /* Some firmware revisions don't wait for beacon tx completion before
4384 * sending another SWBA event. This could lead to hardware using old
4385 * (freed) beacon data in some cases, e.g. tx credit starvation
4386 * combined with missed TBTT. This is very very rare.
4388 * On non-IOMMU-enabled hosts this could be a possible security issue
4389 * because hw could beacon some random data on the air. On
4390 * IOMMU-enabled hosts DMAR faults would occur in most cases and target
4391 * device would crash.
4393 * Since there are no beacon tx completions (implicit nor explicit)
4394 * propagated to host the only workaround for this is to allocate a
4395 * DMA-coherent buffer for a lifetime of a vif and use it for all
4396 * beacon tx commands. Worst case for this approach is some beacons may
4397 * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap.
4399 if (vif->type == NL80211_IFTYPE_ADHOC ||
4400 vif->type == NL80211_IFTYPE_MESH_POINT ||
4401 vif->type == NL80211_IFTYPE_AP) {
4402 arvif->beacon_buf = dma_zalloc_coherent(ar->dev,
4403 IEEE80211_MAX_FRAME_LEN,
4404 &arvif->beacon_paddr,
4406 if (!arvif->beacon_buf) {
4408 ath10k_warn(ar, "failed to allocate beacon buffer: %d\n",
4413 if (test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags))
4414 arvif->nohwcrypt = true;
4416 if (arvif->nohwcrypt &&
4417 !test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
4418 ath10k_warn(ar, "cryptmode module param needed for sw crypto\n");
4422 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n",
4423 arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype,
4424 arvif->beacon_buf ? "single-buf" : "per-skb");
4426 ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type,
4427 arvif->vdev_subtype, vif->addr);
4429 ath10k_warn(ar, "failed to create WMI vdev %i: %d\n",
4430 arvif->vdev_id, ret);
4434 ar->free_vdev_map &= ~(1LL << arvif->vdev_id);
4435 list_add(&arvif->list, &ar->arvifs);
4437 /* It makes no sense to have firmware do keepalives. mac80211 already
4438 * takes care of this with idle connection polling.
4440 ret = ath10k_mac_vif_disable_keepalive(arvif);
4442 ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n",
4443 arvif->vdev_id, ret);
4444 goto err_vdev_delete;
4447 arvif->def_wep_key_idx = -1;
4449 vdev_param = ar->wmi.vdev_param->tx_encap_type;
4450 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4451 ATH10K_HW_TXRX_NATIVE_WIFI);
4452 /* 10.X firmware does not support this VDEV parameter. Do not warn */
4453 if (ret && ret != -EOPNOTSUPP) {
4454 ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n",
4455 arvif->vdev_id, ret);
4456 goto err_vdev_delete;
4459 /* Configuring number of spatial stream for monitor interface is causing
4460 * target assert in qca9888 and qca6174.
4462 if (ar->cfg_tx_chainmask && (vif->type != NL80211_IFTYPE_MONITOR)) {
4463 u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask);
4465 vdev_param = ar->wmi.vdev_param->nss;
4466 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4469 ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n",
4470 arvif->vdev_id, ar->cfg_tx_chainmask, nss,
4472 goto err_vdev_delete;
4476 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4477 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4478 ret = ath10k_peer_create(ar, arvif->vdev_id, vif->addr,
4479 WMI_PEER_TYPE_DEFAULT);
4481 ath10k_warn(ar, "failed to create vdev %i peer for AP/IBSS: %d\n",
4482 arvif->vdev_id, ret);
4483 goto err_vdev_delete;
4487 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
4488 ret = ath10k_mac_set_kickout(arvif);
4490 ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n",
4491 arvif->vdev_id, ret);
4492 goto err_peer_delete;
4496 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) {
4497 param = WMI_STA_PS_PARAM_RX_WAKE_POLICY;
4498 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
4499 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
4502 ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n",
4503 arvif->vdev_id, ret);
4504 goto err_peer_delete;
4507 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
4509 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
4510 arvif->vdev_id, ret);
4511 goto err_peer_delete;
4514 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
4516 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
4517 arvif->vdev_id, ret);
4518 goto err_peer_delete;
4522 ret = ath10k_mac_set_txbf_conf(arvif);
4524 ath10k_warn(ar, "failed to set txbf for vdev %d: %d\n",
4525 arvif->vdev_id, ret);
4526 goto err_peer_delete;
4529 ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold);
4531 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
4532 arvif->vdev_id, ret);
4533 goto err_peer_delete;
4536 arvif->txpower = vif->bss_conf.txpower;
4537 ret = ath10k_mac_txpower_recalc(ar);
4539 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
4540 goto err_peer_delete;
4543 if (vif->type == NL80211_IFTYPE_MONITOR) {
4544 ar->monitor_arvif = arvif;
4545 ret = ath10k_monitor_recalc(ar);
4547 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4548 goto err_peer_delete;
4552 spin_lock_bh(&ar->htt.tx_lock);
4554 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
4555 spin_unlock_bh(&ar->htt.tx_lock);
4557 mutex_unlock(&ar->conf_mutex);
4561 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4562 arvif->vdev_type == WMI_VDEV_TYPE_IBSS)
4563 ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr);
4566 ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
4567 ar->free_vdev_map |= 1LL << arvif->vdev_id;
4568 list_del(&arvif->list);
4571 if (arvif->beacon_buf) {
4572 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
4573 arvif->beacon_buf, arvif->beacon_paddr);
4574 arvif->beacon_buf = NULL;
4577 mutex_unlock(&ar->conf_mutex);
4582 static void ath10k_mac_vif_tx_unlock_all(struct ath10k_vif *arvif)
4586 for (i = 0; i < BITS_PER_LONG; i++)
4587 ath10k_mac_vif_tx_unlock(arvif, i);
4590 static void ath10k_remove_interface(struct ieee80211_hw *hw,
4591 struct ieee80211_vif *vif)
4593 struct ath10k *ar = hw->priv;
4594 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4597 cancel_work_sync(&arvif->ap_csa_work);
4598 cancel_delayed_work_sync(&arvif->connection_loss_work);
4600 mutex_lock(&ar->conf_mutex);
4602 spin_lock_bh(&ar->data_lock);
4603 ath10k_mac_vif_beacon_cleanup(arvif);
4604 spin_unlock_bh(&ar->data_lock);
4606 ret = ath10k_spectral_vif_stop(arvif);
4608 ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n",
4609 arvif->vdev_id, ret);
4611 ar->free_vdev_map |= 1LL << arvif->vdev_id;
4612 list_del(&arvif->list);
4614 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4615 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4616 ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id,
4619 ath10k_warn(ar, "failed to submit AP/IBSS self-peer removal on vdev %i: %d\n",
4620 arvif->vdev_id, ret);
4622 kfree(arvif->u.ap.noa_data);
4625 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n",
4628 ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
4630 ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n",
4631 arvif->vdev_id, ret);
4633 /* Some firmware revisions don't notify host about self-peer removal
4634 * until after associated vdev is deleted.
4636 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4637 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4638 ret = ath10k_wait_for_peer_deleted(ar, arvif->vdev_id,
4641 ath10k_warn(ar, "failed to remove AP self-peer on vdev %i: %d\n",
4642 arvif->vdev_id, ret);
4644 spin_lock_bh(&ar->data_lock);
4646 spin_unlock_bh(&ar->data_lock);
4649 ath10k_peer_cleanup(ar, arvif->vdev_id);
4651 if (vif->type == NL80211_IFTYPE_MONITOR) {
4652 ar->monitor_arvif = NULL;
4653 ret = ath10k_monitor_recalc(ar);
4655 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4658 spin_lock_bh(&ar->htt.tx_lock);
4659 ath10k_mac_vif_tx_unlock_all(arvif);
4660 spin_unlock_bh(&ar->htt.tx_lock);
4662 mutex_unlock(&ar->conf_mutex);
4666 * FIXME: Has to be verified.
4668 #define SUPPORTED_FILTERS \
4673 FIF_BCN_PRBRESP_PROMISC | \
4677 static void ath10k_configure_filter(struct ieee80211_hw *hw,
4678 unsigned int changed_flags,
4679 unsigned int *total_flags,
4682 struct ath10k *ar = hw->priv;
4685 mutex_lock(&ar->conf_mutex);
4687 changed_flags &= SUPPORTED_FILTERS;
4688 *total_flags &= SUPPORTED_FILTERS;
4689 ar->filter_flags = *total_flags;
4691 ret = ath10k_monitor_recalc(ar);
4693 ath10k_warn(ar, "failed to recalc montior: %d\n", ret);
4695 mutex_unlock(&ar->conf_mutex);
4698 static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
4699 struct ieee80211_vif *vif,
4700 struct ieee80211_bss_conf *info,
4703 struct ath10k *ar = hw->priv;
4704 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4706 u32 vdev_param, pdev_param, slottime, preamble;
4708 mutex_lock(&ar->conf_mutex);
4710 if (changed & BSS_CHANGED_IBSS)
4711 ath10k_control_ibss(arvif, info, vif->addr);
4713 if (changed & BSS_CHANGED_BEACON_INT) {
4714 arvif->beacon_interval = info->beacon_int;
4715 vdev_param = ar->wmi.vdev_param->beacon_interval;
4716 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4717 arvif->beacon_interval);
4718 ath10k_dbg(ar, ATH10K_DBG_MAC,
4719 "mac vdev %d beacon_interval %d\n",
4720 arvif->vdev_id, arvif->beacon_interval);
4723 ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n",
4724 arvif->vdev_id, ret);
4727 if (changed & BSS_CHANGED_BEACON) {
4728 ath10k_dbg(ar, ATH10K_DBG_MAC,
4729 "vdev %d set beacon tx mode to staggered\n",
4732 pdev_param = ar->wmi.pdev_param->beacon_tx_mode;
4733 ret = ath10k_wmi_pdev_set_param(ar, pdev_param,
4734 WMI_BEACON_STAGGERED_MODE);
4736 ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n",
4737 arvif->vdev_id, ret);
4739 ret = ath10k_mac_setup_bcn_tmpl(arvif);
4741 ath10k_warn(ar, "failed to update beacon template: %d\n",
4744 if (ieee80211_vif_is_mesh(vif)) {
4745 /* mesh doesn't use SSID but firmware needs it */
4746 strncpy(arvif->u.ap.ssid, "mesh",
4747 sizeof(arvif->u.ap.ssid));
4748 arvif->u.ap.ssid_len = 4;
4752 if (changed & BSS_CHANGED_AP_PROBE_RESP) {
4753 ret = ath10k_mac_setup_prb_tmpl(arvif);
4755 ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n",
4756 arvif->vdev_id, ret);
4759 if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) {
4760 arvif->dtim_period = info->dtim_period;
4762 ath10k_dbg(ar, ATH10K_DBG_MAC,
4763 "mac vdev %d dtim_period %d\n",
4764 arvif->vdev_id, arvif->dtim_period);
4766 vdev_param = ar->wmi.vdev_param->dtim_period;
4767 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4768 arvif->dtim_period);
4770 ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n",
4771 arvif->vdev_id, ret);
4774 if (changed & BSS_CHANGED_SSID &&
4775 vif->type == NL80211_IFTYPE_AP) {
4776 arvif->u.ap.ssid_len = info->ssid_len;
4778 memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len);
4779 arvif->u.ap.hidden_ssid = info->hidden_ssid;
4782 if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid))
4783 ether_addr_copy(arvif->bssid, info->bssid);
4785 if (changed & BSS_CHANGED_BEACON_ENABLED)
4786 ath10k_control_beaconing(arvif, info);
4788 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
4789 arvif->use_cts_prot = info->use_cts_prot;
4790 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d cts_prot %d\n",
4791 arvif->vdev_id, info->use_cts_prot);
4793 ret = ath10k_recalc_rtscts_prot(arvif);
4795 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
4796 arvif->vdev_id, ret);
4798 vdev_param = ar->wmi.vdev_param->protection_mode;
4799 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4800 info->use_cts_prot ? 1 : 0);
4802 ath10k_warn(ar, "failed to set protection mode %d on vdev %i: %d\n",
4803 info->use_cts_prot, arvif->vdev_id, ret);
4806 if (changed & BSS_CHANGED_ERP_SLOT) {
4807 if (info->use_short_slot)
4808 slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */
4811 slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */
4813 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n",
4814 arvif->vdev_id, slottime);
4816 vdev_param = ar->wmi.vdev_param->slot_time;
4817 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4820 ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n",
4821 arvif->vdev_id, ret);
4824 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
4825 if (info->use_short_preamble)
4826 preamble = WMI_VDEV_PREAMBLE_SHORT;
4828 preamble = WMI_VDEV_PREAMBLE_LONG;
4830 ath10k_dbg(ar, ATH10K_DBG_MAC,
4831 "mac vdev %d preamble %dn",
4832 arvif->vdev_id, preamble);
4834 vdev_param = ar->wmi.vdev_param->preamble;
4835 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4838 ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n",
4839 arvif->vdev_id, ret);
4842 if (changed & BSS_CHANGED_ASSOC) {
4844 /* Workaround: Make sure monitor vdev is not running
4845 * when associating to prevent some firmware revisions
4846 * (e.g. 10.1 and 10.2) from crashing.
4848 if (ar->monitor_started)
4849 ath10k_monitor_stop(ar);
4850 ath10k_bss_assoc(hw, vif, info);
4851 ath10k_monitor_recalc(ar);
4853 ath10k_bss_disassoc(hw, vif);
4857 if (changed & BSS_CHANGED_TXPOWER) {
4858 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n",
4859 arvif->vdev_id, info->txpower);
4861 arvif->txpower = info->txpower;
4862 ret = ath10k_mac_txpower_recalc(ar);
4864 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
4867 if (changed & BSS_CHANGED_PS) {
4868 arvif->ps = vif->bss_conf.ps;
4870 ret = ath10k_config_ps(ar);
4872 ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n",
4873 arvif->vdev_id, ret);
4876 mutex_unlock(&ar->conf_mutex);
4879 static int ath10k_hw_scan(struct ieee80211_hw *hw,
4880 struct ieee80211_vif *vif,
4881 struct ieee80211_scan_request *hw_req)
4883 struct ath10k *ar = hw->priv;
4884 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4885 struct cfg80211_scan_request *req = &hw_req->req;
4886 struct wmi_start_scan_arg arg;
4890 mutex_lock(&ar->conf_mutex);
4892 spin_lock_bh(&ar->data_lock);
4893 switch (ar->scan.state) {
4894 case ATH10K_SCAN_IDLE:
4895 reinit_completion(&ar->scan.started);
4896 reinit_completion(&ar->scan.completed);
4897 ar->scan.state = ATH10K_SCAN_STARTING;
4898 ar->scan.is_roc = false;
4899 ar->scan.vdev_id = arvif->vdev_id;
4902 case ATH10K_SCAN_STARTING:
4903 case ATH10K_SCAN_RUNNING:
4904 case ATH10K_SCAN_ABORTING:
4908 spin_unlock_bh(&ar->data_lock);
4913 memset(&arg, 0, sizeof(arg));
4914 ath10k_wmi_start_scan_init(ar, &arg);
4915 arg.vdev_id = arvif->vdev_id;
4916 arg.scan_id = ATH10K_SCAN_ID;
4919 arg.ie_len = req->ie_len;
4920 memcpy(arg.ie, req->ie, arg.ie_len);
4924 arg.n_ssids = req->n_ssids;
4925 for (i = 0; i < arg.n_ssids; i++) {
4926 arg.ssids[i].len = req->ssids[i].ssid_len;
4927 arg.ssids[i].ssid = req->ssids[i].ssid;
4930 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
4933 if (req->n_channels) {
4934 arg.n_channels = req->n_channels;
4935 for (i = 0; i < arg.n_channels; i++)
4936 arg.channels[i] = req->channels[i]->center_freq;
4939 ret = ath10k_start_scan(ar, &arg);
4941 ath10k_warn(ar, "failed to start hw scan: %d\n", ret);
4942 spin_lock_bh(&ar->data_lock);
4943 ar->scan.state = ATH10K_SCAN_IDLE;
4944 spin_unlock_bh(&ar->data_lock);
4947 /* Add a 200ms margin to account for event/command processing */
4948 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
4949 msecs_to_jiffies(arg.max_scan_time +
4953 mutex_unlock(&ar->conf_mutex);
4957 static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw,
4958 struct ieee80211_vif *vif)
4960 struct ath10k *ar = hw->priv;
4962 mutex_lock(&ar->conf_mutex);
4963 ath10k_scan_abort(ar);
4964 mutex_unlock(&ar->conf_mutex);
4966 cancel_delayed_work_sync(&ar->scan.timeout);
4969 static void ath10k_set_key_h_def_keyidx(struct ath10k *ar,
4970 struct ath10k_vif *arvif,
4971 enum set_key_cmd cmd,
4972 struct ieee80211_key_conf *key)
4974 u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid;
4977 /* 10.1 firmware branch requires default key index to be set to group
4978 * key index after installing it. Otherwise FW/HW Txes corrupted
4979 * frames with multi-vif APs. This is not required for main firmware
4980 * branch (e.g. 636).
4982 * This is also needed for 636 fw for IBSS-RSN to work more reliably.
4984 * FIXME: It remains unknown if this is required for multi-vif STA
4985 * interfaces on 10.1.
4988 if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
4989 arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
4992 if (key->cipher == WLAN_CIPHER_SUITE_WEP40)
4995 if (key->cipher == WLAN_CIPHER_SUITE_WEP104)
4998 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
5004 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5007 ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n",
5008 arvif->vdev_id, ret);
5011 static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
5012 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
5013 struct ieee80211_key_conf *key)
5015 struct ath10k *ar = hw->priv;
5016 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5017 struct ath10k_peer *peer;
5018 const u8 *peer_addr;
5019 bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
5020 key->cipher == WLAN_CIPHER_SUITE_WEP104;
5026 /* this one needs to be done in software */
5027 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
5030 if (arvif->nohwcrypt)
5033 if (key->keyidx > WMI_MAX_KEY_INDEX)
5036 mutex_lock(&ar->conf_mutex);
5039 peer_addr = sta->addr;
5040 else if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
5041 peer_addr = vif->bss_conf.bssid;
5043 peer_addr = vif->addr;
5045 key->hw_key_idx = key->keyidx;
5049 arvif->wep_keys[key->keyidx] = key;
5051 arvif->wep_keys[key->keyidx] = NULL;
5054 /* the peer should not disappear in mid-way (unless FW goes awry) since
5055 * we already hold conf_mutex. we just make sure its there now. */
5056 spin_lock_bh(&ar->data_lock);
5057 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
5058 spin_unlock_bh(&ar->data_lock);
5061 if (cmd == SET_KEY) {
5062 ath10k_warn(ar, "failed to install key for non-existent peer %pM\n",
5067 /* if the peer doesn't exist there is no key to disable
5073 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
5074 flags |= WMI_KEY_PAIRWISE;
5076 flags |= WMI_KEY_GROUP;
5079 if (cmd == DISABLE_KEY)
5080 ath10k_clear_vdev_key(arvif, key);
5082 /* When WEP keys are uploaded it's possible that there are
5083 * stations associated already (e.g. when merging) without any
5084 * keys. Static WEP needs an explicit per-peer key upload.
5086 if (vif->type == NL80211_IFTYPE_ADHOC &&
5088 ath10k_mac_vif_update_wep_key(arvif, key);
5090 /* 802.1x never sets the def_wep_key_idx so each set_key()
5091 * call changes default tx key.
5093 * Static WEP sets def_wep_key_idx via .set_default_unicast_key
5094 * after first set_key().
5096 if (cmd == SET_KEY && arvif->def_wep_key_idx == -1)
5097 flags |= WMI_KEY_TX_USAGE;
5100 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags);
5103 ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n",
5104 arvif->vdev_id, peer_addr, ret);
5108 /* mac80211 sets static WEP keys as groupwise while firmware requires
5109 * them to be installed twice as both pairwise and groupwise.
5111 if (is_wep && !sta && vif->type == NL80211_IFTYPE_STATION) {
5113 flags2 &= ~WMI_KEY_GROUP;
5114 flags2 |= WMI_KEY_PAIRWISE;
5116 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags2);
5119 ath10k_warn(ar, "failed to install (ucast) key for vdev %i peer %pM: %d\n",
5120 arvif->vdev_id, peer_addr, ret);
5121 ret2 = ath10k_install_key(arvif, key, DISABLE_KEY,
5125 ath10k_warn(ar, "failed to disable (mcast) key for vdev %i peer %pM: %d\n",
5126 arvif->vdev_id, peer_addr, ret2);
5132 ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key);
5134 spin_lock_bh(&ar->data_lock);
5135 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
5136 if (peer && cmd == SET_KEY)
5137 peer->keys[key->keyidx] = key;
5138 else if (peer && cmd == DISABLE_KEY)
5139 peer->keys[key->keyidx] = NULL;
5140 else if (peer == NULL)
5141 /* impossible unless FW goes crazy */
5142 ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr);
5143 spin_unlock_bh(&ar->data_lock);
5146 mutex_unlock(&ar->conf_mutex);
5150 static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw,
5151 struct ieee80211_vif *vif,
5154 struct ath10k *ar = hw->priv;
5155 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5158 mutex_lock(&arvif->ar->conf_mutex);
5160 if (arvif->ar->state != ATH10K_STATE_ON)
5163 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n",
5164 arvif->vdev_id, keyidx);
5166 ret = ath10k_wmi_vdev_set_param(arvif->ar,
5168 arvif->ar->wmi.vdev_param->def_keyid,
5172 ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n",
5178 arvif->def_wep_key_idx = keyidx;
5181 mutex_unlock(&arvif->ar->conf_mutex);
5184 static void ath10k_sta_rc_update_wk(struct work_struct *wk)
5187 struct ath10k_vif *arvif;
5188 struct ath10k_sta *arsta;
5189 struct ieee80211_sta *sta;
5190 struct cfg80211_chan_def def;
5191 enum ieee80211_band band;
5192 const u8 *ht_mcs_mask;
5193 const u16 *vht_mcs_mask;
5194 u32 changed, bw, nss, smps;
5197 arsta = container_of(wk, struct ath10k_sta, update_wk);
5198 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);
5199 arvif = arsta->arvif;
5202 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
5205 band = def.chan->band;
5206 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
5207 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
5209 spin_lock_bh(&ar->data_lock);
5211 changed = arsta->changed;
5218 spin_unlock_bh(&ar->data_lock);
5220 mutex_lock(&ar->conf_mutex);
5222 nss = max_t(u32, 1, nss);
5223 nss = min(nss, max(ath10k_mac_max_ht_nss(ht_mcs_mask),
5224 ath10k_mac_max_vht_nss(vht_mcs_mask)));
5226 if (changed & IEEE80211_RC_BW_CHANGED) {
5227 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d\n",
5230 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5231 WMI_PEER_CHAN_WIDTH, bw);
5233 ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n",
5234 sta->addr, bw, err);
5237 if (changed & IEEE80211_RC_NSS_CHANGED) {
5238 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM nss %d\n",
5241 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5244 ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n",
5245 sta->addr, nss, err);
5248 if (changed & IEEE80211_RC_SMPS_CHANGED) {
5249 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM smps %d\n",
5252 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5253 WMI_PEER_SMPS_STATE, smps);
5255 ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n",
5256 sta->addr, smps, err);
5259 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED ||
5260 changed & IEEE80211_RC_NSS_CHANGED) {
5261 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates/nss\n",
5264 err = ath10k_station_assoc(ar, arvif->vif, sta, true);
5266 ath10k_warn(ar, "failed to reassociate station: %pM\n",
5270 mutex_unlock(&ar->conf_mutex);
5273 static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif,
5274 struct ieee80211_sta *sta)
5276 struct ath10k *ar = arvif->ar;
5278 lockdep_assert_held(&ar->conf_mutex);
5280 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
5283 if (ar->num_stations >= ar->max_num_stations)
5291 static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif,
5292 struct ieee80211_sta *sta)
5294 struct ath10k *ar = arvif->ar;
5296 lockdep_assert_held(&ar->conf_mutex);
5298 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
5304 struct ath10k_mac_tdls_iter_data {
5305 u32 num_tdls_stations;
5306 struct ieee80211_vif *curr_vif;
5309 static void ath10k_mac_tdls_vif_stations_count_iter(void *data,
5310 struct ieee80211_sta *sta)
5312 struct ath10k_mac_tdls_iter_data *iter_data = data;
5313 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5314 struct ieee80211_vif *sta_vif = arsta->arvif->vif;
5316 if (sta->tdls && sta_vif == iter_data->curr_vif)
5317 iter_data->num_tdls_stations++;
5320 static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw,
5321 struct ieee80211_vif *vif)
5323 struct ath10k_mac_tdls_iter_data data = {};
5325 data.curr_vif = vif;
5327 ieee80211_iterate_stations_atomic(hw,
5328 ath10k_mac_tdls_vif_stations_count_iter,
5330 return data.num_tdls_stations;
5333 static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac,
5334 struct ieee80211_vif *vif)
5336 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5337 int *num_tdls_vifs = data;
5339 if (vif->type != NL80211_IFTYPE_STATION)
5342 if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0)
5346 static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw)
5348 int num_tdls_vifs = 0;
5350 ieee80211_iterate_active_interfaces_atomic(hw,
5351 IEEE80211_IFACE_ITER_NORMAL,
5352 ath10k_mac_tdls_vifs_count_iter,
5354 return num_tdls_vifs;
5357 static int ath10k_sta_state(struct ieee80211_hw *hw,
5358 struct ieee80211_vif *vif,
5359 struct ieee80211_sta *sta,
5360 enum ieee80211_sta_state old_state,
5361 enum ieee80211_sta_state new_state)
5363 struct ath10k *ar = hw->priv;
5364 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5365 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5368 if (old_state == IEEE80211_STA_NOTEXIST &&
5369 new_state == IEEE80211_STA_NONE) {
5370 memset(arsta, 0, sizeof(*arsta));
5371 arsta->arvif = arvif;
5372 INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk);
5375 /* cancel must be done outside the mutex to avoid deadlock */
5376 if ((old_state == IEEE80211_STA_NONE &&
5377 new_state == IEEE80211_STA_NOTEXIST))
5378 cancel_work_sync(&arsta->update_wk);
5380 mutex_lock(&ar->conf_mutex);
5382 if (old_state == IEEE80211_STA_NOTEXIST &&
5383 new_state == IEEE80211_STA_NONE) {
5385 * New station addition.
5387 enum wmi_peer_type peer_type = WMI_PEER_TYPE_DEFAULT;
5388 u32 num_tdls_stations;
5391 ath10k_dbg(ar, ATH10K_DBG_MAC,
5392 "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n",
5393 arvif->vdev_id, sta->addr,
5394 ar->num_stations + 1, ar->max_num_stations,
5395 ar->num_peers + 1, ar->max_num_peers);
5397 ret = ath10k_mac_inc_num_stations(arvif, sta);
5399 ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n",
5400 ar->max_num_stations);
5405 peer_type = WMI_PEER_TYPE_TDLS;
5407 ret = ath10k_peer_create(ar, arvif->vdev_id, sta->addr,
5410 ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n",
5411 sta->addr, arvif->vdev_id, ret);
5412 ath10k_mac_dec_num_stations(arvif, sta);
5419 num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif);
5420 num_tdls_vifs = ath10k_mac_tdls_vifs_count(hw);
5422 if (num_tdls_vifs >= ar->max_num_tdls_vdevs &&
5423 num_tdls_stations == 0) {
5424 ath10k_warn(ar, "vdev %i exceeded maximum number of tdls vdevs %i\n",
5425 arvif->vdev_id, ar->max_num_tdls_vdevs);
5426 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5427 ath10k_mac_dec_num_stations(arvif, sta);
5432 if (num_tdls_stations == 0) {
5433 /* This is the first tdls peer in current vif */
5434 enum wmi_tdls_state state = WMI_TDLS_ENABLE_ACTIVE;
5436 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5439 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
5440 arvif->vdev_id, ret);
5441 ath10k_peer_delete(ar, arvif->vdev_id,
5443 ath10k_mac_dec_num_stations(arvif, sta);
5448 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5449 WMI_TDLS_PEER_STATE_PEERING);
5452 "failed to update tdls peer %pM for vdev %d when adding a new sta: %i\n",
5453 sta->addr, arvif->vdev_id, ret);
5454 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5455 ath10k_mac_dec_num_stations(arvif, sta);
5457 if (num_tdls_stations != 0)
5459 ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5462 } else if ((old_state == IEEE80211_STA_NONE &&
5463 new_state == IEEE80211_STA_NOTEXIST)) {
5465 * Existing station deletion.
5467 ath10k_dbg(ar, ATH10K_DBG_MAC,
5468 "mac vdev %d peer delete %pM (sta gone)\n",
5469 arvif->vdev_id, sta->addr);
5471 ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5473 ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n",
5474 sta->addr, arvif->vdev_id, ret);
5476 ath10k_mac_dec_num_stations(arvif, sta);
5481 if (ath10k_mac_tdls_vif_stations_count(hw, vif))
5484 /* This was the last tdls peer in current vif */
5485 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5488 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
5489 arvif->vdev_id, ret);
5491 } else if (old_state == IEEE80211_STA_AUTH &&
5492 new_state == IEEE80211_STA_ASSOC &&
5493 (vif->type == NL80211_IFTYPE_AP ||
5494 vif->type == NL80211_IFTYPE_MESH_POINT ||
5495 vif->type == NL80211_IFTYPE_ADHOC)) {
5499 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n",
5502 ret = ath10k_station_assoc(ar, vif, sta, false);
5504 ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n",
5505 sta->addr, arvif->vdev_id, ret);
5506 } else if (old_state == IEEE80211_STA_ASSOC &&
5507 new_state == IEEE80211_STA_AUTHORIZED &&
5510 * Tdls station authorized.
5512 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac tdls sta %pM authorized\n",
5515 ret = ath10k_station_assoc(ar, vif, sta, false);
5517 ath10k_warn(ar, "failed to associate tdls station %pM for vdev %i: %i\n",
5518 sta->addr, arvif->vdev_id, ret);
5522 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5523 WMI_TDLS_PEER_STATE_CONNECTED);
5525 ath10k_warn(ar, "failed to update tdls peer %pM for vdev %i: %i\n",
5526 sta->addr, arvif->vdev_id, ret);
5527 } else if (old_state == IEEE80211_STA_ASSOC &&
5528 new_state == IEEE80211_STA_AUTH &&
5529 (vif->type == NL80211_IFTYPE_AP ||
5530 vif->type == NL80211_IFTYPE_MESH_POINT ||
5531 vif->type == NL80211_IFTYPE_ADHOC)) {
5535 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n",
5538 ret = ath10k_station_disassoc(ar, vif, sta);
5540 ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n",
5541 sta->addr, arvif->vdev_id, ret);
5544 mutex_unlock(&ar->conf_mutex);
5548 static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif,
5549 u16 ac, bool enable)
5551 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5552 struct wmi_sta_uapsd_auto_trig_arg arg = {};
5553 u32 prio = 0, acc = 0;
5557 lockdep_assert_held(&ar->conf_mutex);
5559 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
5563 case IEEE80211_AC_VO:
5564 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |
5565 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;
5569 case IEEE80211_AC_VI:
5570 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |
5571 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;
5575 case IEEE80211_AC_BE:
5576 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |
5577 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;
5581 case IEEE80211_AC_BK:
5582 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |
5583 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;
5590 arvif->u.sta.uapsd |= value;
5592 arvif->u.sta.uapsd &= ~value;
5594 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5595 WMI_STA_PS_PARAM_UAPSD,
5596 arvif->u.sta.uapsd);
5598 ath10k_warn(ar, "failed to set uapsd params: %d\n", ret);
5602 if (arvif->u.sta.uapsd)
5603 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD;
5605 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
5607 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5608 WMI_STA_PS_PARAM_RX_WAKE_POLICY,
5611 ath10k_warn(ar, "failed to set rx wake param: %d\n", ret);
5613 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
5615 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
5616 arvif->vdev_id, ret);
5620 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
5622 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
5623 arvif->vdev_id, ret);
5627 if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) ||
5628 test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) {
5629 /* Only userspace can make an educated decision when to send
5630 * trigger frame. The following effectively disables u-UAPSD
5631 * autotrigger in firmware (which is enabled by default
5632 * provided the autotrigger service is available).
5636 arg.user_priority = prio;
5637 arg.service_interval = 0;
5638 arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
5639 arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
5641 ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id,
5642 arvif->bssid, &arg, 1);
5644 ath10k_warn(ar, "failed to set uapsd auto trigger %d\n",
5654 static int ath10k_conf_tx(struct ieee80211_hw *hw,
5655 struct ieee80211_vif *vif, u16 ac,
5656 const struct ieee80211_tx_queue_params *params)
5658 struct ath10k *ar = hw->priv;
5659 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5660 struct wmi_wmm_params_arg *p = NULL;
5663 mutex_lock(&ar->conf_mutex);
5666 case IEEE80211_AC_VO:
5667 p = &arvif->wmm_params.ac_vo;
5669 case IEEE80211_AC_VI:
5670 p = &arvif->wmm_params.ac_vi;
5672 case IEEE80211_AC_BE:
5673 p = &arvif->wmm_params.ac_be;
5675 case IEEE80211_AC_BK:
5676 p = &arvif->wmm_params.ac_bk;
5685 p->cwmin = params->cw_min;
5686 p->cwmax = params->cw_max;
5687 p->aifs = params->aifs;
5690 * The channel time duration programmed in the HW is in absolute
5691 * microseconds, while mac80211 gives the txop in units of
5694 p->txop = params->txop * 32;
5696 if (ar->wmi.ops->gen_vdev_wmm_conf) {
5697 ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id,
5698 &arvif->wmm_params);
5700 ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n",
5701 arvif->vdev_id, ret);
5705 /* This won't work well with multi-interface cases but it's
5706 * better than nothing.
5708 ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params);
5710 ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
5715 ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd);
5717 ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret);
5720 mutex_unlock(&ar->conf_mutex);
5724 #define ATH10K_ROC_TIMEOUT_HZ (2*HZ)
5726 static int ath10k_remain_on_channel(struct ieee80211_hw *hw,
5727 struct ieee80211_vif *vif,
5728 struct ieee80211_channel *chan,
5730 enum ieee80211_roc_type type)
5732 struct ath10k *ar = hw->priv;
5733 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5734 struct wmi_start_scan_arg arg;
5738 mutex_lock(&ar->conf_mutex);
5740 spin_lock_bh(&ar->data_lock);
5741 switch (ar->scan.state) {
5742 case ATH10K_SCAN_IDLE:
5743 reinit_completion(&ar->scan.started);
5744 reinit_completion(&ar->scan.completed);
5745 reinit_completion(&ar->scan.on_channel);
5746 ar->scan.state = ATH10K_SCAN_STARTING;
5747 ar->scan.is_roc = true;
5748 ar->scan.vdev_id = arvif->vdev_id;
5749 ar->scan.roc_freq = chan->center_freq;
5750 ar->scan.roc_notify = true;
5753 case ATH10K_SCAN_STARTING:
5754 case ATH10K_SCAN_RUNNING:
5755 case ATH10K_SCAN_ABORTING:
5759 spin_unlock_bh(&ar->data_lock);
5764 scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2;
5766 memset(&arg, 0, sizeof(arg));
5767 ath10k_wmi_start_scan_init(ar, &arg);
5768 arg.vdev_id = arvif->vdev_id;
5769 arg.scan_id = ATH10K_SCAN_ID;
5771 arg.channels[0] = chan->center_freq;
5772 arg.dwell_time_active = scan_time_msec;
5773 arg.dwell_time_passive = scan_time_msec;
5774 arg.max_scan_time = scan_time_msec;
5775 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
5776 arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ;
5777 arg.burst_duration_ms = duration;
5779 ret = ath10k_start_scan(ar, &arg);
5781 ath10k_warn(ar, "failed to start roc scan: %d\n", ret);
5782 spin_lock_bh(&ar->data_lock);
5783 ar->scan.state = ATH10K_SCAN_IDLE;
5784 spin_unlock_bh(&ar->data_lock);
5788 ret = wait_for_completion_timeout(&ar->scan.on_channel, 3*HZ);
5790 ath10k_warn(ar, "failed to switch to channel for roc scan\n");
5792 ret = ath10k_scan_stop(ar);
5794 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
5800 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
5801 msecs_to_jiffies(duration));
5805 mutex_unlock(&ar->conf_mutex);
5809 static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw)
5811 struct ath10k *ar = hw->priv;
5813 mutex_lock(&ar->conf_mutex);
5815 spin_lock_bh(&ar->data_lock);
5816 ar->scan.roc_notify = false;
5817 spin_unlock_bh(&ar->data_lock);
5819 ath10k_scan_abort(ar);
5821 mutex_unlock(&ar->conf_mutex);
5823 cancel_delayed_work_sync(&ar->scan.timeout);
5829 * Both RTS and Fragmentation threshold are interface-specific
5830 * in ath10k, but device-specific in mac80211.
5833 static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
5835 struct ath10k *ar = hw->priv;
5836 struct ath10k_vif *arvif;
5839 mutex_lock(&ar->conf_mutex);
5840 list_for_each_entry(arvif, &ar->arvifs, list) {
5841 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n",
5842 arvif->vdev_id, value);
5844 ret = ath10k_mac_set_rts(arvif, value);
5846 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
5847 arvif->vdev_id, ret);
5851 mutex_unlock(&ar->conf_mutex);
5856 static int ath10k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
5858 /* Even though there's a WMI enum for fragmentation threshold no known
5859 * firmware actually implements it. Moreover it is not possible to rely
5860 * frame fragmentation to mac80211 because firmware clears the "more
5861 * fragments" bit in frame control making it impossible for remote
5862 * devices to reassemble frames.
5864 * Hence implement a dummy callback just to say fragmentation isn't
5865 * supported. This effectively prevents mac80211 from doing frame
5866 * fragmentation in software.
5871 static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
5872 u32 queues, bool drop)
5874 struct ath10k *ar = hw->priv;
5878 /* mac80211 doesn't care if we really xmit queued frames or not
5879 * we'll collect those frames either way if we stop/delete vdevs */
5883 mutex_lock(&ar->conf_mutex);
5885 if (ar->state == ATH10K_STATE_WEDGED)
5888 time_left = wait_event_timeout(ar->htt.empty_tx_wq, ({
5891 spin_lock_bh(&ar->htt.tx_lock);
5892 empty = (ar->htt.num_pending_tx == 0);
5893 spin_unlock_bh(&ar->htt.tx_lock);
5895 skip = (ar->state == ATH10K_STATE_WEDGED) ||
5896 test_bit(ATH10K_FLAG_CRASH_FLUSH,
5900 }), ATH10K_FLUSH_TIMEOUT_HZ);
5902 if (time_left == 0 || skip)
5903 ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %ld\n",
5904 skip, ar->state, time_left);
5907 mutex_unlock(&ar->conf_mutex);
5910 /* TODO: Implement this function properly
5911 * For now it is needed to reply to Probe Requests in IBSS mode.
5912 * Propably we need this information from FW.
5914 static int ath10k_tx_last_beacon(struct ieee80211_hw *hw)
5919 static void ath10k_reconfig_complete(struct ieee80211_hw *hw,
5920 enum ieee80211_reconfig_type reconfig_type)
5922 struct ath10k *ar = hw->priv;
5924 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)
5927 mutex_lock(&ar->conf_mutex);
5929 /* If device failed to restart it will be in a different state, e.g.
5930 * ATH10K_STATE_WEDGED */
5931 if (ar->state == ATH10K_STATE_RESTARTED) {
5932 ath10k_info(ar, "device successfully recovered\n");
5933 ar->state = ATH10K_STATE_ON;
5934 ieee80211_wake_queues(ar->hw);
5937 mutex_unlock(&ar->conf_mutex);
5940 static int ath10k_get_survey(struct ieee80211_hw *hw, int idx,
5941 struct survey_info *survey)
5943 struct ath10k *ar = hw->priv;
5944 struct ieee80211_supported_band *sband;
5945 struct survey_info *ar_survey = &ar->survey[idx];
5948 mutex_lock(&ar->conf_mutex);
5950 sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ];
5951 if (sband && idx >= sband->n_channels) {
5952 idx -= sband->n_channels;
5957 sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ];
5959 if (!sband || idx >= sband->n_channels) {
5964 spin_lock_bh(&ar->data_lock);
5965 memcpy(survey, ar_survey, sizeof(*survey));
5966 spin_unlock_bh(&ar->data_lock);
5968 survey->channel = &sband->channels[idx];
5970 if (ar->rx_channel == survey->channel)
5971 survey->filled |= SURVEY_INFO_IN_USE;
5974 mutex_unlock(&ar->conf_mutex);
5979 ath10k_mac_bitrate_mask_has_single_rate(struct ath10k *ar,
5980 enum ieee80211_band band,
5981 const struct cfg80211_bitrate_mask *mask)
5986 num_rates += hweight32(mask->control[band].legacy);
5988 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++)
5989 num_rates += hweight8(mask->control[band].ht_mcs[i]);
5991 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++)
5992 num_rates += hweight16(mask->control[band].vht_mcs[i]);
5994 return num_rates == 1;
5998 ath10k_mac_bitrate_mask_get_single_nss(struct ath10k *ar,
5999 enum ieee80211_band band,
6000 const struct cfg80211_bitrate_mask *mask,
6003 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
6004 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
6006 u8 vht_nss_mask = 0;
6009 if (mask->control[band].legacy)
6012 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
6013 if (mask->control[band].ht_mcs[i] == 0)
6015 else if (mask->control[band].ht_mcs[i] ==
6016 sband->ht_cap.mcs.rx_mask[i])
6017 ht_nss_mask |= BIT(i);
6022 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
6023 if (mask->control[band].vht_mcs[i] == 0)
6025 else if (mask->control[band].vht_mcs[i] ==
6026 ath10k_mac_get_max_vht_mcs_map(vht_mcs_map, i))
6027 vht_nss_mask |= BIT(i);
6032 if (ht_nss_mask != vht_nss_mask)
6035 if (ht_nss_mask == 0)
6038 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask)
6041 *nss = fls(ht_nss_mask);
6047 ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar,
6048 enum ieee80211_band band,
6049 const struct cfg80211_bitrate_mask *mask,
6052 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
6059 if (hweight32(mask->control[band].legacy) == 1) {
6060 rate_idx = ffs(mask->control[band].legacy) - 1;
6062 hw_rate = sband->bitrates[rate_idx].hw_value;
6063 bitrate = sband->bitrates[rate_idx].bitrate;
6065 if (ath10k_mac_bitrate_is_cck(bitrate))
6066 preamble = WMI_RATE_PREAMBLE_CCK;
6068 preamble = WMI_RATE_PREAMBLE_OFDM;
6071 *rate = preamble << 6 |
6078 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
6079 if (hweight8(mask->control[band].ht_mcs[i]) == 1) {
6081 *rate = WMI_RATE_PREAMBLE_HT << 6 |
6083 (ffs(mask->control[band].ht_mcs[i]) - 1);
6089 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
6090 if (hweight16(mask->control[band].vht_mcs[i]) == 1) {
6092 *rate = WMI_RATE_PREAMBLE_VHT << 6 |
6094 (ffs(mask->control[band].vht_mcs[i]) - 1);
6103 static int ath10k_mac_set_fixed_rate_params(struct ath10k_vif *arvif,
6104 u8 rate, u8 nss, u8 sgi, u8 ldpc)
6106 struct ath10k *ar = arvif->ar;
6110 lockdep_assert_held(&ar->conf_mutex);
6112 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02hhx nss %hhu sgi %hhu\n",
6113 arvif->vdev_id, rate, nss, sgi);
6115 vdev_param = ar->wmi.vdev_param->fixed_rate;
6116 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, rate);
6118 ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n",
6123 vdev_param = ar->wmi.vdev_param->nss;
6124 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, nss);
6126 ath10k_warn(ar, "failed to set nss param %d: %d\n", nss, ret);
6130 vdev_param = ar->wmi.vdev_param->sgi;
6131 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, sgi);
6133 ath10k_warn(ar, "failed to set sgi param %d: %d\n", sgi, ret);
6137 vdev_param = ar->wmi.vdev_param->ldpc;
6138 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, ldpc);
6140 ath10k_warn(ar, "failed to set ldpc param %d: %d\n", ldpc, ret);
6148 ath10k_mac_can_set_bitrate_mask(struct ath10k *ar,
6149 enum ieee80211_band band,
6150 const struct cfg80211_bitrate_mask *mask)
6155 /* Due to firmware limitation in WMI_PEER_ASSOC_CMDID it is impossible
6156 * to express all VHT MCS rate masks. Effectively only the following
6157 * ranges can be used: none, 0-7, 0-8 and 0-9.
6159 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
6160 vht_mcs = mask->control[band].vht_mcs[i];
6169 ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n");
6177 static void ath10k_mac_set_bitrate_mask_iter(void *data,
6178 struct ieee80211_sta *sta)
6180 struct ath10k_vif *arvif = data;
6181 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
6182 struct ath10k *ar = arvif->ar;
6184 if (arsta->arvif != arvif)
6187 spin_lock_bh(&ar->data_lock);
6188 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
6189 spin_unlock_bh(&ar->data_lock);
6191 ieee80211_queue_work(ar->hw, &arsta->update_wk);
6194 static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
6195 struct ieee80211_vif *vif,
6196 const struct cfg80211_bitrate_mask *mask)
6198 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6199 struct cfg80211_chan_def def;
6200 struct ath10k *ar = arvif->ar;
6201 enum ieee80211_band band;
6202 const u8 *ht_mcs_mask;
6203 const u16 *vht_mcs_mask;
6211 if (ath10k_mac_vif_chan(vif, &def))
6214 band = def.chan->band;
6215 ht_mcs_mask = mask->control[band].ht_mcs;
6216 vht_mcs_mask = mask->control[band].vht_mcs;
6217 ldpc = !!(ar->ht_cap_info & WMI_HT_CAP_LDPC);
6219 sgi = mask->control[band].gi;
6220 if (sgi == NL80211_TXRATE_FORCE_LGI)
6223 if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask)) {
6224 ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask,
6227 ath10k_warn(ar, "failed to get single rate for vdev %i: %d\n",
6228 arvif->vdev_id, ret);
6231 } else if (ath10k_mac_bitrate_mask_get_single_nss(ar, band, mask,
6233 rate = WMI_FIXED_RATE_NONE;
6236 rate = WMI_FIXED_RATE_NONE;
6237 nss = min(ar->num_rf_chains,
6238 max(ath10k_mac_max_ht_nss(ht_mcs_mask),
6239 ath10k_mac_max_vht_nss(vht_mcs_mask)));
6241 if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask))
6244 mutex_lock(&ar->conf_mutex);
6246 arvif->bitrate_mask = *mask;
6247 ieee80211_iterate_stations_atomic(ar->hw,
6248 ath10k_mac_set_bitrate_mask_iter,
6251 mutex_unlock(&ar->conf_mutex);
6254 mutex_lock(&ar->conf_mutex);
6256 ret = ath10k_mac_set_fixed_rate_params(arvif, rate, nss, sgi, ldpc);
6258 ath10k_warn(ar, "failed to set fixed rate params on vdev %i: %d\n",
6259 arvif->vdev_id, ret);
6264 mutex_unlock(&ar->conf_mutex);
6269 static void ath10k_sta_rc_update(struct ieee80211_hw *hw,
6270 struct ieee80211_vif *vif,
6271 struct ieee80211_sta *sta,
6274 struct ath10k *ar = hw->priv;
6275 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
6278 spin_lock_bh(&ar->data_lock);
6280 ath10k_dbg(ar, ATH10K_DBG_MAC,
6281 "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n",
6282 sta->addr, changed, sta->bandwidth, sta->rx_nss,
6285 if (changed & IEEE80211_RC_BW_CHANGED) {
6286 bw = WMI_PEER_CHWIDTH_20MHZ;
6288 switch (sta->bandwidth) {
6289 case IEEE80211_STA_RX_BW_20:
6290 bw = WMI_PEER_CHWIDTH_20MHZ;
6292 case IEEE80211_STA_RX_BW_40:
6293 bw = WMI_PEER_CHWIDTH_40MHZ;
6295 case IEEE80211_STA_RX_BW_80:
6296 bw = WMI_PEER_CHWIDTH_80MHZ;
6298 case IEEE80211_STA_RX_BW_160:
6299 ath10k_warn(ar, "Invalid bandwidth %d in rc update for %pM\n",
6300 sta->bandwidth, sta->addr);
6301 bw = WMI_PEER_CHWIDTH_20MHZ;
6308 if (changed & IEEE80211_RC_NSS_CHANGED)
6309 arsta->nss = sta->rx_nss;
6311 if (changed & IEEE80211_RC_SMPS_CHANGED) {
6312 smps = WMI_PEER_SMPS_PS_NONE;
6314 switch (sta->smps_mode) {
6315 case IEEE80211_SMPS_AUTOMATIC:
6316 case IEEE80211_SMPS_OFF:
6317 smps = WMI_PEER_SMPS_PS_NONE;
6319 case IEEE80211_SMPS_STATIC:
6320 smps = WMI_PEER_SMPS_STATIC;
6322 case IEEE80211_SMPS_DYNAMIC:
6323 smps = WMI_PEER_SMPS_DYNAMIC;
6325 case IEEE80211_SMPS_NUM_MODES:
6326 ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n",
6327 sta->smps_mode, sta->addr);
6328 smps = WMI_PEER_SMPS_PS_NONE;
6335 arsta->changed |= changed;
6337 spin_unlock_bh(&ar->data_lock);
6339 ieee80211_queue_work(hw, &arsta->update_wk);
6342 static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
6345 * FIXME: Return 0 for time being. Need to figure out whether FW
6346 * has the API to fetch 64-bit local TSF
6352 static int ath10k_ampdu_action(struct ieee80211_hw *hw,
6353 struct ieee80211_vif *vif,
6354 enum ieee80211_ampdu_mlme_action action,
6355 struct ieee80211_sta *sta, u16 tid, u16 *ssn,
6356 u8 buf_size, bool amsdu)
6358 struct ath10k *ar = hw->priv;
6359 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6361 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n",
6362 arvif->vdev_id, sta->addr, tid, action);
6365 case IEEE80211_AMPDU_RX_START:
6366 case IEEE80211_AMPDU_RX_STOP:
6367 /* HTT AddBa/DelBa events trigger mac80211 Rx BA session
6368 * creation/removal. Do we need to verify this?
6371 case IEEE80211_AMPDU_TX_START:
6372 case IEEE80211_AMPDU_TX_STOP_CONT:
6373 case IEEE80211_AMPDU_TX_STOP_FLUSH:
6374 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
6375 case IEEE80211_AMPDU_TX_OPERATIONAL:
6376 /* Firmware offloads Tx aggregation entirely so deny mac80211
6377 * Tx aggregation requests.
6386 ath10k_mac_update_rx_channel(struct ath10k *ar,
6387 struct ieee80211_chanctx_conf *ctx,
6388 struct ieee80211_vif_chanctx_switch *vifs,
6391 struct cfg80211_chan_def *def = NULL;
6393 /* Both locks are required because ar->rx_channel is modified. This
6394 * allows readers to hold either lock.
6396 lockdep_assert_held(&ar->conf_mutex);
6397 lockdep_assert_held(&ar->data_lock);
6399 WARN_ON(ctx && vifs);
6400 WARN_ON(vifs && n_vifs != 1);
6402 /* FIXME: Sort of an optimization and a workaround. Peers and vifs are
6403 * on a linked list now. Doing a lookup peer -> vif -> chanctx for each
6404 * ppdu on Rx may reduce performance on low-end systems. It should be
6405 * possible to make tables/hashmaps to speed the lookup up (be vary of
6406 * cpu data cache lines though regarding sizes) but to keep the initial
6407 * implementation simple and less intrusive fallback to the slow lookup
6408 * only for multi-channel cases. Single-channel cases will remain to
6409 * use the old channel derival and thus performance should not be
6413 if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) {
6414 ieee80211_iter_chan_contexts_atomic(ar->hw,
6415 ath10k_mac_get_any_chandef_iter,
6419 def = &vifs[0].new_ctx->def;
6421 ar->rx_channel = def->chan;
6422 } else if ((ctx && ath10k_mac_num_chanctxs(ar) == 0) ||
6423 (ctx && (ar->state == ATH10K_STATE_RESTARTED))) {
6424 /* During driver restart due to firmware assert, since mac80211
6425 * already has valid channel context for given radio, channel
6426 * context iteration return num_chanctx > 0. So fix rx_channel
6427 * when restart is in progress.
6429 ar->rx_channel = ctx->def.chan;
6431 ar->rx_channel = NULL;
6437 ath10k_mac_update_vif_chan(struct ath10k *ar,
6438 struct ieee80211_vif_chanctx_switch *vifs,
6441 struct ath10k_vif *arvif;
6445 lockdep_assert_held(&ar->conf_mutex);
6447 /* First stop monitor interface. Some FW versions crash if there's a
6448 * lone monitor interface.
6450 if (ar->monitor_started)
6451 ath10k_monitor_stop(ar);
6453 for (i = 0; i < n_vifs; i++) {
6454 arvif = ath10k_vif_to_arvif(vifs[i].vif);
6456 ath10k_dbg(ar, ATH10K_DBG_MAC,
6457 "mac chanctx switch vdev_id %i freq %hu->%hu width %d->%d\n",
6459 vifs[i].old_ctx->def.chan->center_freq,
6460 vifs[i].new_ctx->def.chan->center_freq,
6461 vifs[i].old_ctx->def.width,
6462 vifs[i].new_ctx->def.width);
6464 if (WARN_ON(!arvif->is_started))
6467 if (WARN_ON(!arvif->is_up))
6470 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
6472 ath10k_warn(ar, "failed to down vdev %d: %d\n",
6473 arvif->vdev_id, ret);
6478 /* All relevant vdevs are downed and associated channel resources
6479 * should be available for the channel switch now.
6482 spin_lock_bh(&ar->data_lock);
6483 ath10k_mac_update_rx_channel(ar, NULL, vifs, n_vifs);
6484 spin_unlock_bh(&ar->data_lock);
6486 for (i = 0; i < n_vifs; i++) {
6487 arvif = ath10k_vif_to_arvif(vifs[i].vif);
6489 if (WARN_ON(!arvif->is_started))
6492 if (WARN_ON(!arvif->is_up))
6495 ret = ath10k_mac_setup_bcn_tmpl(arvif);
6497 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
6500 ret = ath10k_mac_setup_prb_tmpl(arvif);
6502 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
6505 ret = ath10k_vdev_restart(arvif, &vifs[i].new_ctx->def);
6507 ath10k_warn(ar, "failed to restart vdev %d: %d\n",
6508 arvif->vdev_id, ret);
6512 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
6515 ath10k_warn(ar, "failed to bring vdev up %d: %d\n",
6516 arvif->vdev_id, ret);
6521 ath10k_monitor_recalc(ar);
6525 ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw,
6526 struct ieee80211_chanctx_conf *ctx)
6528 struct ath10k *ar = hw->priv;
6530 ath10k_dbg(ar, ATH10K_DBG_MAC,
6531 "mac chanctx add freq %hu width %d ptr %p\n",
6532 ctx->def.chan->center_freq, ctx->def.width, ctx);
6534 mutex_lock(&ar->conf_mutex);
6536 spin_lock_bh(&ar->data_lock);
6537 ath10k_mac_update_rx_channel(ar, ctx, NULL, 0);
6538 spin_unlock_bh(&ar->data_lock);
6540 ath10k_recalc_radar_detection(ar);
6541 ath10k_monitor_recalc(ar);
6543 mutex_unlock(&ar->conf_mutex);
6549 ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw,
6550 struct ieee80211_chanctx_conf *ctx)
6552 struct ath10k *ar = hw->priv;
6554 ath10k_dbg(ar, ATH10K_DBG_MAC,
6555 "mac chanctx remove freq %hu width %d ptr %p\n",
6556 ctx->def.chan->center_freq, ctx->def.width, ctx);
6558 mutex_lock(&ar->conf_mutex);
6560 spin_lock_bh(&ar->data_lock);
6561 ath10k_mac_update_rx_channel(ar, NULL, NULL, 0);
6562 spin_unlock_bh(&ar->data_lock);
6564 ath10k_recalc_radar_detection(ar);
6565 ath10k_monitor_recalc(ar);
6567 mutex_unlock(&ar->conf_mutex);
6570 struct ath10k_mac_change_chanctx_arg {
6571 struct ieee80211_chanctx_conf *ctx;
6572 struct ieee80211_vif_chanctx_switch *vifs;
6578 ath10k_mac_change_chanctx_cnt_iter(void *data, u8 *mac,
6579 struct ieee80211_vif *vif)
6581 struct ath10k_mac_change_chanctx_arg *arg = data;
6583 if (rcu_access_pointer(vif->chanctx_conf) != arg->ctx)
6590 ath10k_mac_change_chanctx_fill_iter(void *data, u8 *mac,
6591 struct ieee80211_vif *vif)
6593 struct ath10k_mac_change_chanctx_arg *arg = data;
6594 struct ieee80211_chanctx_conf *ctx;
6596 ctx = rcu_access_pointer(vif->chanctx_conf);
6597 if (ctx != arg->ctx)
6600 if (WARN_ON(arg->next_vif == arg->n_vifs))
6603 arg->vifs[arg->next_vif].vif = vif;
6604 arg->vifs[arg->next_vif].old_ctx = ctx;
6605 arg->vifs[arg->next_vif].new_ctx = ctx;
6610 ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw,
6611 struct ieee80211_chanctx_conf *ctx,
6614 struct ath10k *ar = hw->priv;
6615 struct ath10k_mac_change_chanctx_arg arg = { .ctx = ctx };
6617 mutex_lock(&ar->conf_mutex);
6619 ath10k_dbg(ar, ATH10K_DBG_MAC,
6620 "mac chanctx change freq %hu width %d ptr %p changed %x\n",
6621 ctx->def.chan->center_freq, ctx->def.width, ctx, changed);
6623 /* This shouldn't really happen because channel switching should use
6624 * switch_vif_chanctx().
6626 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL))
6629 if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH) {
6630 ieee80211_iterate_active_interfaces_atomic(
6632 IEEE80211_IFACE_ITER_NORMAL,
6633 ath10k_mac_change_chanctx_cnt_iter,
6635 if (arg.n_vifs == 0)
6638 arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]),
6643 ieee80211_iterate_active_interfaces_atomic(
6645 IEEE80211_IFACE_ITER_NORMAL,
6646 ath10k_mac_change_chanctx_fill_iter,
6648 ath10k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs);
6653 ath10k_recalc_radar_detection(ar);
6655 /* FIXME: How to configure Rx chains properly? */
6657 /* No other actions are actually necessary. Firmware maintains channel
6658 * definitions per vdev internally and there's no host-side channel
6659 * context abstraction to configure, e.g. channel width.
6663 mutex_unlock(&ar->conf_mutex);
6667 ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
6668 struct ieee80211_vif *vif,
6669 struct ieee80211_chanctx_conf *ctx)
6671 struct ath10k *ar = hw->priv;
6672 struct ath10k_vif *arvif = (void *)vif->drv_priv;
6675 mutex_lock(&ar->conf_mutex);
6677 ath10k_dbg(ar, ATH10K_DBG_MAC,
6678 "mac chanctx assign ptr %p vdev_id %i\n",
6679 ctx, arvif->vdev_id);
6681 if (WARN_ON(arvif->is_started)) {
6682 mutex_unlock(&ar->conf_mutex);
6686 ret = ath10k_vdev_start(arvif, &ctx->def);
6688 ath10k_warn(ar, "failed to start vdev %i addr %pM on freq %d: %d\n",
6689 arvif->vdev_id, vif->addr,
6690 ctx->def.chan->center_freq, ret);
6694 arvif->is_started = true;
6696 ret = ath10k_mac_vif_setup_ps(arvif);
6698 ath10k_warn(ar, "failed to update vdev %i ps: %d\n",
6699 arvif->vdev_id, ret);
6703 if (vif->type == NL80211_IFTYPE_MONITOR) {
6704 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr);
6706 ath10k_warn(ar, "failed to up monitor vdev %i: %d\n",
6707 arvif->vdev_id, ret);
6711 arvif->is_up = true;
6714 mutex_unlock(&ar->conf_mutex);
6718 ath10k_vdev_stop(arvif);
6719 arvif->is_started = false;
6720 ath10k_mac_vif_setup_ps(arvif);
6723 mutex_unlock(&ar->conf_mutex);
6728 ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,
6729 struct ieee80211_vif *vif,
6730 struct ieee80211_chanctx_conf *ctx)
6732 struct ath10k *ar = hw->priv;
6733 struct ath10k_vif *arvif = (void *)vif->drv_priv;
6736 mutex_lock(&ar->conf_mutex);
6738 ath10k_dbg(ar, ATH10K_DBG_MAC,
6739 "mac chanctx unassign ptr %p vdev_id %i\n",
6740 ctx, arvif->vdev_id);
6742 WARN_ON(!arvif->is_started);
6744 if (vif->type == NL80211_IFTYPE_MONITOR) {
6745 WARN_ON(!arvif->is_up);
6747 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
6749 ath10k_warn(ar, "failed to down monitor vdev %i: %d\n",
6750 arvif->vdev_id, ret);
6752 arvif->is_up = false;
6755 ret = ath10k_vdev_stop(arvif);
6757 ath10k_warn(ar, "failed to stop vdev %i: %d\n",
6758 arvif->vdev_id, ret);
6760 arvif->is_started = false;
6762 mutex_unlock(&ar->conf_mutex);
6766 ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
6767 struct ieee80211_vif_chanctx_switch *vifs,
6769 enum ieee80211_chanctx_switch_mode mode)
6771 struct ath10k *ar = hw->priv;
6773 mutex_lock(&ar->conf_mutex);
6775 ath10k_dbg(ar, ATH10K_DBG_MAC,
6776 "mac chanctx switch n_vifs %d mode %d\n",
6778 ath10k_mac_update_vif_chan(ar, vifs, n_vifs);
6780 mutex_unlock(&ar->conf_mutex);
6784 static const struct ieee80211_ops ath10k_ops = {
6786 .start = ath10k_start,
6787 .stop = ath10k_stop,
6788 .config = ath10k_config,
6789 .add_interface = ath10k_add_interface,
6790 .remove_interface = ath10k_remove_interface,
6791 .configure_filter = ath10k_configure_filter,
6792 .bss_info_changed = ath10k_bss_info_changed,
6793 .hw_scan = ath10k_hw_scan,
6794 .cancel_hw_scan = ath10k_cancel_hw_scan,
6795 .set_key = ath10k_set_key,
6796 .set_default_unicast_key = ath10k_set_default_unicast_key,
6797 .sta_state = ath10k_sta_state,
6798 .conf_tx = ath10k_conf_tx,
6799 .remain_on_channel = ath10k_remain_on_channel,
6800 .cancel_remain_on_channel = ath10k_cancel_remain_on_channel,
6801 .set_rts_threshold = ath10k_set_rts_threshold,
6802 .set_frag_threshold = ath10k_mac_op_set_frag_threshold,
6803 .flush = ath10k_flush,
6804 .tx_last_beacon = ath10k_tx_last_beacon,
6805 .set_antenna = ath10k_set_antenna,
6806 .get_antenna = ath10k_get_antenna,
6807 .reconfig_complete = ath10k_reconfig_complete,
6808 .get_survey = ath10k_get_survey,
6809 .set_bitrate_mask = ath10k_mac_op_set_bitrate_mask,
6810 .sta_rc_update = ath10k_sta_rc_update,
6811 .get_tsf = ath10k_get_tsf,
6812 .ampdu_action = ath10k_ampdu_action,
6813 .get_et_sset_count = ath10k_debug_get_et_sset_count,
6814 .get_et_stats = ath10k_debug_get_et_stats,
6815 .get_et_strings = ath10k_debug_get_et_strings,
6816 .add_chanctx = ath10k_mac_op_add_chanctx,
6817 .remove_chanctx = ath10k_mac_op_remove_chanctx,
6818 .change_chanctx = ath10k_mac_op_change_chanctx,
6819 .assign_vif_chanctx = ath10k_mac_op_assign_vif_chanctx,
6820 .unassign_vif_chanctx = ath10k_mac_op_unassign_vif_chanctx,
6821 .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx,
6823 CFG80211_TESTMODE_CMD(ath10k_tm_cmd)
6826 .suspend = ath10k_wow_op_suspend,
6827 .resume = ath10k_wow_op_resume,
6829 #ifdef CONFIG_MAC80211_DEBUGFS
6830 .sta_add_debugfs = ath10k_sta_add_debugfs,
6834 #define CHAN2G(_channel, _freq, _flags) { \
6835 .band = IEEE80211_BAND_2GHZ, \
6836 .hw_value = (_channel), \
6837 .center_freq = (_freq), \
6838 .flags = (_flags), \
6839 .max_antenna_gain = 0, \
6843 #define CHAN5G(_channel, _freq, _flags) { \
6844 .band = IEEE80211_BAND_5GHZ, \
6845 .hw_value = (_channel), \
6846 .center_freq = (_freq), \
6847 .flags = (_flags), \
6848 .max_antenna_gain = 0, \
6852 static const struct ieee80211_channel ath10k_2ghz_channels[] = {
6862 CHAN2G(10, 2457, 0),
6863 CHAN2G(11, 2462, 0),
6864 CHAN2G(12, 2467, 0),
6865 CHAN2G(13, 2472, 0),
6866 CHAN2G(14, 2484, 0),
6869 static const struct ieee80211_channel ath10k_5ghz_channels[] = {
6870 CHAN5G(36, 5180, 0),
6871 CHAN5G(40, 5200, 0),
6872 CHAN5G(44, 5220, 0),
6873 CHAN5G(48, 5240, 0),
6874 CHAN5G(52, 5260, 0),
6875 CHAN5G(56, 5280, 0),
6876 CHAN5G(60, 5300, 0),
6877 CHAN5G(64, 5320, 0),
6878 CHAN5G(100, 5500, 0),
6879 CHAN5G(104, 5520, 0),
6880 CHAN5G(108, 5540, 0),
6881 CHAN5G(112, 5560, 0),
6882 CHAN5G(116, 5580, 0),
6883 CHAN5G(120, 5600, 0),
6884 CHAN5G(124, 5620, 0),
6885 CHAN5G(128, 5640, 0),
6886 CHAN5G(132, 5660, 0),
6887 CHAN5G(136, 5680, 0),
6888 CHAN5G(140, 5700, 0),
6889 CHAN5G(144, 5720, 0),
6890 CHAN5G(149, 5745, 0),
6891 CHAN5G(153, 5765, 0),
6892 CHAN5G(157, 5785, 0),
6893 CHAN5G(161, 5805, 0),
6894 CHAN5G(165, 5825, 0),
6897 struct ath10k *ath10k_mac_create(size_t priv_size)
6899 struct ieee80211_hw *hw;
6902 hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, &ath10k_ops);
6912 void ath10k_mac_destroy(struct ath10k *ar)
6914 ieee80211_free_hw(ar->hw);
6917 static const struct ieee80211_iface_limit ath10k_if_limits[] = {
6920 .types = BIT(NL80211_IFTYPE_STATION)
6921 | BIT(NL80211_IFTYPE_P2P_CLIENT)
6925 .types = BIT(NL80211_IFTYPE_P2P_GO)
6929 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
6933 .types = BIT(NL80211_IFTYPE_AP)
6934 #ifdef CONFIG_MAC80211_MESH
6935 | BIT(NL80211_IFTYPE_MESH_POINT)
6940 static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = {
6943 .types = BIT(NL80211_IFTYPE_AP)
6944 #ifdef CONFIG_MAC80211_MESH
6945 | BIT(NL80211_IFTYPE_MESH_POINT)
6950 static const struct ieee80211_iface_combination ath10k_if_comb[] = {
6952 .limits = ath10k_if_limits,
6953 .n_limits = ARRAY_SIZE(ath10k_if_limits),
6954 .max_interfaces = 8,
6955 .num_different_channels = 1,
6956 .beacon_int_infra_match = true,
6960 static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = {
6962 .limits = ath10k_10x_if_limits,
6963 .n_limits = ARRAY_SIZE(ath10k_10x_if_limits),
6964 .max_interfaces = 8,
6965 .num_different_channels = 1,
6966 .beacon_int_infra_match = true,
6967 #ifdef CONFIG_ATH10K_DFS_CERTIFIED
6968 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
6969 BIT(NL80211_CHAN_WIDTH_20) |
6970 BIT(NL80211_CHAN_WIDTH_40) |
6971 BIT(NL80211_CHAN_WIDTH_80),
6976 static const struct ieee80211_iface_limit ath10k_tlv_if_limit[] = {
6979 .types = BIT(NL80211_IFTYPE_STATION),
6983 .types = BIT(NL80211_IFTYPE_AP) |
6984 #ifdef CONFIG_MAC80211_MESH
6985 BIT(NL80211_IFTYPE_MESH_POINT) |
6987 BIT(NL80211_IFTYPE_P2P_CLIENT) |
6988 BIT(NL80211_IFTYPE_P2P_GO),
6992 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
6996 static const struct ieee80211_iface_limit ath10k_tlv_qcs_if_limit[] = {
6999 .types = BIT(NL80211_IFTYPE_STATION),
7003 .types = BIT(NL80211_IFTYPE_P2P_CLIENT),
7007 .types = BIT(NL80211_IFTYPE_AP) |
7008 #ifdef CONFIG_MAC80211_MESH
7009 BIT(NL80211_IFTYPE_MESH_POINT) |
7011 BIT(NL80211_IFTYPE_P2P_GO),
7015 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
7019 static const struct ieee80211_iface_limit ath10k_tlv_if_limit_ibss[] = {
7022 .types = BIT(NL80211_IFTYPE_STATION),
7026 .types = BIT(NL80211_IFTYPE_ADHOC),
7030 /* FIXME: This is not thouroughly tested. These combinations may over- or
7031 * underestimate hw/fw capabilities.
7033 static struct ieee80211_iface_combination ath10k_tlv_if_comb[] = {
7035 .limits = ath10k_tlv_if_limit,
7036 .num_different_channels = 1,
7037 .max_interfaces = 4,
7038 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
7041 .limits = ath10k_tlv_if_limit_ibss,
7042 .num_different_channels = 1,
7043 .max_interfaces = 2,
7044 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
7048 static struct ieee80211_iface_combination ath10k_tlv_qcs_if_comb[] = {
7050 .limits = ath10k_tlv_if_limit,
7051 .num_different_channels = 1,
7052 .max_interfaces = 4,
7053 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
7056 .limits = ath10k_tlv_qcs_if_limit,
7057 .num_different_channels = 2,
7058 .max_interfaces = 4,
7059 .n_limits = ARRAY_SIZE(ath10k_tlv_qcs_if_limit),
7062 .limits = ath10k_tlv_if_limit_ibss,
7063 .num_different_channels = 1,
7064 .max_interfaces = 2,
7065 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
7069 static const struct ieee80211_iface_limit ath10k_10_4_if_limits[] = {
7072 .types = BIT(NL80211_IFTYPE_STATION),
7076 .types = BIT(NL80211_IFTYPE_AP)
7077 #ifdef CONFIG_MAC80211_MESH
7078 | BIT(NL80211_IFTYPE_MESH_POINT)
7083 static const struct ieee80211_iface_combination ath10k_10_4_if_comb[] = {
7085 .limits = ath10k_10_4_if_limits,
7086 .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits),
7087 .max_interfaces = 16,
7088 .num_different_channels = 1,
7089 .beacon_int_infra_match = true,
7090 #ifdef CONFIG_ATH10K_DFS_CERTIFIED
7091 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
7092 BIT(NL80211_CHAN_WIDTH_20) |
7093 BIT(NL80211_CHAN_WIDTH_40) |
7094 BIT(NL80211_CHAN_WIDTH_80),
7099 static void ath10k_get_arvif_iter(void *data, u8 *mac,
7100 struct ieee80211_vif *vif)
7102 struct ath10k_vif_iter *arvif_iter = data;
7103 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
7105 if (arvif->vdev_id == arvif_iter->vdev_id)
7106 arvif_iter->arvif = arvif;
7109 struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id)
7111 struct ath10k_vif_iter arvif_iter;
7114 memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter));
7115 arvif_iter.vdev_id = vdev_id;
7117 flags = IEEE80211_IFACE_ITER_RESUME_ALL;
7118 ieee80211_iterate_active_interfaces_atomic(ar->hw,
7120 ath10k_get_arvif_iter,
7122 if (!arvif_iter.arvif) {
7123 ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id);
7127 return arvif_iter.arvif;
7130 int ath10k_mac_register(struct ath10k *ar)
7132 static const u32 cipher_suites[] = {
7133 WLAN_CIPHER_SUITE_WEP40,
7134 WLAN_CIPHER_SUITE_WEP104,
7135 WLAN_CIPHER_SUITE_TKIP,
7136 WLAN_CIPHER_SUITE_CCMP,
7137 WLAN_CIPHER_SUITE_AES_CMAC,
7139 struct ieee80211_supported_band *band;
7143 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr);
7145 SET_IEEE80211_DEV(ar->hw, ar->dev);
7147 BUILD_BUG_ON((ARRAY_SIZE(ath10k_2ghz_channels) +
7148 ARRAY_SIZE(ath10k_5ghz_channels)) !=
7151 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
7152 channels = kmemdup(ath10k_2ghz_channels,
7153 sizeof(ath10k_2ghz_channels),
7160 band = &ar->mac.sbands[IEEE80211_BAND_2GHZ];
7161 band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels);
7162 band->channels = channels;
7163 band->n_bitrates = ath10k_g_rates_size;
7164 band->bitrates = ath10k_g_rates;
7166 ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
7169 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
7170 channels = kmemdup(ath10k_5ghz_channels,
7171 sizeof(ath10k_5ghz_channels),
7178 band = &ar->mac.sbands[IEEE80211_BAND_5GHZ];
7179 band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels);
7180 band->channels = channels;
7181 band->n_bitrates = ath10k_a_rates_size;
7182 band->bitrates = ath10k_a_rates;
7183 ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
7186 ath10k_mac_setup_ht_vht_cap(ar);
7188 ar->hw->wiphy->interface_modes =
7189 BIT(NL80211_IFTYPE_STATION) |
7190 BIT(NL80211_IFTYPE_AP) |
7191 BIT(NL80211_IFTYPE_MESH_POINT);
7193 ar->hw->wiphy->available_antennas_rx = ar->cfg_rx_chainmask;
7194 ar->hw->wiphy->available_antennas_tx = ar->cfg_tx_chainmask;
7196 if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features))
7197 ar->hw->wiphy->interface_modes |=
7198 BIT(NL80211_IFTYPE_P2P_DEVICE) |
7199 BIT(NL80211_IFTYPE_P2P_CLIENT) |
7200 BIT(NL80211_IFTYPE_P2P_GO);
7202 ieee80211_hw_set(ar->hw, SIGNAL_DBM);
7203 ieee80211_hw_set(ar->hw, SUPPORTS_PS);
7204 ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS);
7205 ieee80211_hw_set(ar->hw, MFP_CAPABLE);
7206 ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS);
7207 ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL);
7208 ieee80211_hw_set(ar->hw, AP_LINK_PS);
7209 ieee80211_hw_set(ar->hw, SPECTRUM_MGMT);
7210 ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT);
7211 ieee80211_hw_set(ar->hw, CONNECTION_MONITOR);
7212 ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK);
7213 ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF);
7214 ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA);
7215 ieee80211_hw_set(ar->hw, QUEUE_CONTROL);
7217 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
7218 ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL);
7220 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;
7221 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
7223 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
7224 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS;
7226 if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) {
7227 ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION);
7228 ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW);
7231 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID;
7232 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
7234 ar->hw->vif_data_size = sizeof(struct ath10k_vif);
7235 ar->hw->sta_data_size = sizeof(struct ath10k_sta);
7237 ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL;
7239 if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) {
7240 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
7242 /* Firmware delivers WPS/P2P Probe Requests frames to driver so
7243 * that userspace (e.g. wpa_supplicant/hostapd) can generate
7244 * correct Probe Responses. This is more of a hack advert..
7246 ar->hw->wiphy->probe_resp_offload |=
7247 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
7248 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
7249 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
7252 if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map))
7253 ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
7255 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
7256 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
7257 ar->hw->wiphy->max_remain_on_channel_duration = 5000;
7259 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
7260 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE;
7262 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations;
7264 ret = ath10k_wow_init(ar);
7266 ath10k_warn(ar, "failed to init wow: %d\n", ret);
7270 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
7273 * on LL hardware queues are managed entirely by the FW
7274 * so we only advertise to mac we can do the queues thing
7276 ar->hw->queues = IEEE80211_MAX_QUEUES;
7278 /* vdev_ids are used as hw queue numbers. Make sure offchan tx queue is
7279 * something that vdev_ids can't reach so that we don't stop the queue
7282 ar->hw->offchannel_tx_hw_queue = IEEE80211_MAX_QUEUES - 1;
7284 switch (ar->wmi.op_version) {
7285 case ATH10K_FW_WMI_OP_VERSION_MAIN:
7286 ar->hw->wiphy->iface_combinations = ath10k_if_comb;
7287 ar->hw->wiphy->n_iface_combinations =
7288 ARRAY_SIZE(ath10k_if_comb);
7289 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
7291 case ATH10K_FW_WMI_OP_VERSION_TLV:
7292 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
7293 ar->hw->wiphy->iface_combinations =
7294 ath10k_tlv_qcs_if_comb;
7295 ar->hw->wiphy->n_iface_combinations =
7296 ARRAY_SIZE(ath10k_tlv_qcs_if_comb);
7298 ar->hw->wiphy->iface_combinations = ath10k_tlv_if_comb;
7299 ar->hw->wiphy->n_iface_combinations =
7300 ARRAY_SIZE(ath10k_tlv_if_comb);
7302 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
7304 case ATH10K_FW_WMI_OP_VERSION_10_1:
7305 case ATH10K_FW_WMI_OP_VERSION_10_2:
7306 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
7307 ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb;
7308 ar->hw->wiphy->n_iface_combinations =
7309 ARRAY_SIZE(ath10k_10x_if_comb);
7311 case ATH10K_FW_WMI_OP_VERSION_10_4:
7312 ar->hw->wiphy->iface_combinations = ath10k_10_4_if_comb;
7313 ar->hw->wiphy->n_iface_combinations =
7314 ARRAY_SIZE(ath10k_10_4_if_comb);
7316 case ATH10K_FW_WMI_OP_VERSION_UNSET:
7317 case ATH10K_FW_WMI_OP_VERSION_MAX:
7323 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
7324 ar->hw->netdev_features = NETIF_F_HW_CSUM;
7326 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
7327 /* Init ath dfs pattern detector */
7328 ar->ath_common.debug_mask = ATH_DBG_DFS;
7329 ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common,
7332 if (!ar->dfs_detector)
7333 ath10k_warn(ar, "failed to initialise DFS pattern detector\n");
7336 ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy,
7337 ath10k_reg_notifier);
7339 ath10k_err(ar, "failed to initialise regulatory: %i\n", ret);
7340 goto err_dfs_detector_exit;
7343 ar->hw->wiphy->cipher_suites = cipher_suites;
7344 ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
7346 ret = ieee80211_register_hw(ar->hw);
7348 ath10k_err(ar, "failed to register ieee80211: %d\n", ret);
7349 goto err_dfs_detector_exit;
7352 if (!ath_is_world_regd(&ar->ath_common.regulatory)) {
7353 ret = regulatory_hint(ar->hw->wiphy,
7354 ar->ath_common.regulatory.alpha2);
7356 goto err_unregister;
7362 ieee80211_unregister_hw(ar->hw);
7364 err_dfs_detector_exit:
7365 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
7366 ar->dfs_detector->exit(ar->dfs_detector);
7369 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7370 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7372 SET_IEEE80211_DEV(ar->hw, NULL);
7376 void ath10k_mac_unregister(struct ath10k *ar)
7378 ieee80211_unregister_hw(ar->hw);
7380 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
7381 ar->dfs_detector->exit(ar->dfs_detector);
7383 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7384 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7386 SET_IEEE80211_DEV(ar->hw, NULL);