2 * Copyright (c) 2005-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include <net/mac80211.h>
21 #include <linux/etherdevice.h>
39 static struct ieee80211_rate ath10k_rates[] = {
41 .hw_value = ATH10K_HW_RATE_CCK_LP_1M },
43 .hw_value = ATH10K_HW_RATE_CCK_LP_2M,
44 .hw_value_short = ATH10K_HW_RATE_CCK_SP_2M,
45 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
47 .hw_value = ATH10K_HW_RATE_CCK_LP_5_5M,
48 .hw_value_short = ATH10K_HW_RATE_CCK_SP_5_5M,
49 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
51 .hw_value = ATH10K_HW_RATE_CCK_LP_11M,
52 .hw_value_short = ATH10K_HW_RATE_CCK_SP_11M,
53 .flags = IEEE80211_RATE_SHORT_PREAMBLE },
55 { .bitrate = 60, .hw_value = ATH10K_HW_RATE_OFDM_6M },
56 { .bitrate = 90, .hw_value = ATH10K_HW_RATE_OFDM_9M },
57 { .bitrate = 120, .hw_value = ATH10K_HW_RATE_OFDM_12M },
58 { .bitrate = 180, .hw_value = ATH10K_HW_RATE_OFDM_18M },
59 { .bitrate = 240, .hw_value = ATH10K_HW_RATE_OFDM_24M },
60 { .bitrate = 360, .hw_value = ATH10K_HW_RATE_OFDM_36M },
61 { .bitrate = 480, .hw_value = ATH10K_HW_RATE_OFDM_48M },
62 { .bitrate = 540, .hw_value = ATH10K_HW_RATE_OFDM_54M },
65 #define ATH10K_MAC_FIRST_OFDM_RATE_IDX 4
67 #define ath10k_a_rates (ath10k_rates + ATH10K_MAC_FIRST_OFDM_RATE_IDX)
68 #define ath10k_a_rates_size (ARRAY_SIZE(ath10k_rates) - \
69 ATH10K_MAC_FIRST_OFDM_RATE_IDX)
70 #define ath10k_g_rates (ath10k_rates + 0)
71 #define ath10k_g_rates_size (ARRAY_SIZE(ath10k_rates))
73 static bool ath10k_mac_bitrate_is_cck(int bitrate)
86 static u8 ath10k_mac_bitrate_to_rate(int bitrate)
88 return DIV_ROUND_UP(bitrate, 5) |
89 (ath10k_mac_bitrate_is_cck(bitrate) ? BIT(7) : 0);
92 u8 ath10k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband,
95 const struct ieee80211_rate *rate;
98 for (i = 0; i < sband->n_bitrates; i++) {
99 rate = &sband->bitrates[i];
101 if (ath10k_mac_bitrate_is_cck(rate->bitrate) != cck)
104 if (rate->hw_value == hw_rate)
106 else if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE &&
107 rate->hw_value_short == hw_rate)
114 u8 ath10k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband,
119 for (i = 0; i < sband->n_bitrates; i++)
120 if (sband->bitrates[i].bitrate == bitrate)
126 static int ath10k_mac_get_max_vht_mcs_map(u16 mcs_map, int nss)
128 switch ((mcs_map >> (2 * nss)) & 0x3) {
129 case IEEE80211_VHT_MCS_SUPPORT_0_7: return BIT(8) - 1;
130 case IEEE80211_VHT_MCS_SUPPORT_0_8: return BIT(9) - 1;
131 case IEEE80211_VHT_MCS_SUPPORT_0_9: return BIT(10) - 1;
137 ath10k_mac_max_ht_nss(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
141 for (nss = IEEE80211_HT_MCS_MASK_LEN - 1; nss >= 0; nss--)
142 if (ht_mcs_mask[nss])
149 ath10k_mac_max_vht_nss(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
153 for (nss = NL80211_VHT_NSS_MAX - 1; nss >= 0; nss--)
154 if (vht_mcs_mask[nss])
164 static int ath10k_send_key(struct ath10k_vif *arvif,
165 struct ieee80211_key_conf *key,
166 enum set_key_cmd cmd,
167 const u8 *macaddr, u32 flags)
169 struct ath10k *ar = arvif->ar;
170 struct wmi_vdev_install_key_arg arg = {
171 .vdev_id = arvif->vdev_id,
172 .key_idx = key->keyidx,
173 .key_len = key->keylen,
174 .key_data = key->key,
179 lockdep_assert_held(&arvif->ar->conf_mutex);
181 switch (key->cipher) {
182 case WLAN_CIPHER_SUITE_CCMP:
183 arg.key_cipher = WMI_CIPHER_AES_CCM;
184 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;
186 case WLAN_CIPHER_SUITE_TKIP:
187 arg.key_cipher = WMI_CIPHER_TKIP;
188 arg.key_txmic_len = 8;
189 arg.key_rxmic_len = 8;
191 case WLAN_CIPHER_SUITE_WEP40:
192 case WLAN_CIPHER_SUITE_WEP104:
193 arg.key_cipher = WMI_CIPHER_WEP;
195 case WLAN_CIPHER_SUITE_AES_CMAC:
199 ath10k_warn(ar, "cipher %d is not supported\n", key->cipher);
203 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
204 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
206 if (cmd == DISABLE_KEY) {
207 arg.key_cipher = WMI_CIPHER_NONE;
211 return ath10k_wmi_vdev_install_key(arvif->ar, &arg);
214 static int ath10k_install_key(struct ath10k_vif *arvif,
215 struct ieee80211_key_conf *key,
216 enum set_key_cmd cmd,
217 const u8 *macaddr, u32 flags)
219 struct ath10k *ar = arvif->ar;
221 unsigned long time_left;
223 lockdep_assert_held(&ar->conf_mutex);
225 reinit_completion(&ar->install_key_done);
227 if (arvif->nohwcrypt)
230 ret = ath10k_send_key(arvif, key, cmd, macaddr, flags);
234 time_left = wait_for_completion_timeout(&ar->install_key_done, 3 * HZ);
241 static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif,
244 struct ath10k *ar = arvif->ar;
245 struct ath10k_peer *peer;
250 lockdep_assert_held(&ar->conf_mutex);
252 if (WARN_ON(arvif->vif->type != NL80211_IFTYPE_AP &&
253 arvif->vif->type != NL80211_IFTYPE_ADHOC &&
254 arvif->vif->type != NL80211_IFTYPE_MESH_POINT))
257 spin_lock_bh(&ar->data_lock);
258 peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
259 spin_unlock_bh(&ar->data_lock);
264 for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) {
265 if (arvif->wep_keys[i] == NULL)
268 switch (arvif->vif->type) {
269 case NL80211_IFTYPE_AP:
270 flags = WMI_KEY_PAIRWISE;
272 if (arvif->def_wep_key_idx == i)
273 flags |= WMI_KEY_TX_USAGE;
275 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
276 SET_KEY, addr, flags);
280 case NL80211_IFTYPE_ADHOC:
281 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
287 ret = ath10k_install_key(arvif, arvif->wep_keys[i],
288 SET_KEY, addr, WMI_KEY_GROUP);
297 spin_lock_bh(&ar->data_lock);
298 peer->keys[i] = arvif->wep_keys[i];
299 spin_unlock_bh(&ar->data_lock);
302 /* In some cases (notably with static WEP IBSS with multiple keys)
303 * multicast Tx becomes broken. Both pairwise and groupwise keys are
304 * installed already. Using WMI_KEY_TX_USAGE in different combinations
305 * didn't seem help. Using def_keyid vdev parameter seems to be
306 * effective so use that.
308 * FIXME: Revisit. Perhaps this can be done in a less hacky way.
310 if (arvif->vif->type != NL80211_IFTYPE_ADHOC)
313 if (arvif->def_wep_key_idx == -1)
316 ret = ath10k_wmi_vdev_set_param(arvif->ar,
318 arvif->ar->wmi.vdev_param->def_keyid,
319 arvif->def_wep_key_idx);
321 ath10k_warn(ar, "failed to re-set def wpa key idxon vdev %i: %d\n",
322 arvif->vdev_id, ret);
329 static int ath10k_clear_peer_keys(struct ath10k_vif *arvif,
332 struct ath10k *ar = arvif->ar;
333 struct ath10k_peer *peer;
339 lockdep_assert_held(&ar->conf_mutex);
341 spin_lock_bh(&ar->data_lock);
342 peer = ath10k_peer_find(ar, arvif->vdev_id, addr);
343 spin_unlock_bh(&ar->data_lock);
348 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
349 if (peer->keys[i] == NULL)
352 /* key flags are not required to delete the key */
353 ret = ath10k_install_key(arvif, peer->keys[i],
354 DISABLE_KEY, addr, flags);
355 if (ret < 0 && first_errno == 0)
359 ath10k_warn(ar, "failed to remove peer wep key %d: %d\n",
362 spin_lock_bh(&ar->data_lock);
363 peer->keys[i] = NULL;
364 spin_unlock_bh(&ar->data_lock);
370 bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr,
373 struct ath10k_peer *peer;
376 lockdep_assert_held(&ar->data_lock);
378 /* We don't know which vdev this peer belongs to,
379 * since WMI doesn't give us that information.
381 * FIXME: multi-bss needs to be handled.
383 peer = ath10k_peer_find(ar, 0, addr);
387 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
388 if (peer->keys[i] && peer->keys[i]->keyidx == keyidx)
395 static int ath10k_clear_vdev_key(struct ath10k_vif *arvif,
396 struct ieee80211_key_conf *key)
398 struct ath10k *ar = arvif->ar;
399 struct ath10k_peer *peer;
406 lockdep_assert_held(&ar->conf_mutex);
409 /* since ath10k_install_key we can't hold data_lock all the
410 * time, so we try to remove the keys incrementally */
411 spin_lock_bh(&ar->data_lock);
413 list_for_each_entry(peer, &ar->peers, list) {
414 for (i = 0; i < ARRAY_SIZE(peer->keys); i++) {
415 if (peer->keys[i] == key) {
416 ether_addr_copy(addr, peer->addr);
417 peer->keys[i] = NULL;
422 if (i < ARRAY_SIZE(peer->keys))
425 spin_unlock_bh(&ar->data_lock);
427 if (i == ARRAY_SIZE(peer->keys))
429 /* key flags are not required to delete the key */
430 ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, flags);
431 if (ret < 0 && first_errno == 0)
435 ath10k_warn(ar, "failed to remove key for %pM: %d\n",
442 static int ath10k_mac_vif_update_wep_key(struct ath10k_vif *arvif,
443 struct ieee80211_key_conf *key)
445 struct ath10k *ar = arvif->ar;
446 struct ath10k_peer *peer;
449 lockdep_assert_held(&ar->conf_mutex);
451 list_for_each_entry(peer, &ar->peers, list) {
452 if (!memcmp(peer->addr, arvif->vif->addr, ETH_ALEN))
455 if (!memcmp(peer->addr, arvif->bssid, ETH_ALEN))
458 if (peer->keys[key->keyidx] == key)
461 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vif vdev %i update key %i needs update\n",
462 arvif->vdev_id, key->keyidx);
464 ret = ath10k_install_peer_wep_keys(arvif, peer->addr);
466 ath10k_warn(ar, "failed to update wep keys on vdev %i for peer %pM: %d\n",
467 arvif->vdev_id, peer->addr, ret);
475 /*********************/
476 /* General utilities */
477 /*********************/
479 static inline enum wmi_phy_mode
480 chan_to_phymode(const struct cfg80211_chan_def *chandef)
482 enum wmi_phy_mode phymode = MODE_UNKNOWN;
484 switch (chandef->chan->band) {
485 case IEEE80211_BAND_2GHZ:
486 switch (chandef->width) {
487 case NL80211_CHAN_WIDTH_20_NOHT:
488 if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM)
493 case NL80211_CHAN_WIDTH_20:
494 phymode = MODE_11NG_HT20;
496 case NL80211_CHAN_WIDTH_40:
497 phymode = MODE_11NG_HT40;
499 case NL80211_CHAN_WIDTH_5:
500 case NL80211_CHAN_WIDTH_10:
501 case NL80211_CHAN_WIDTH_80:
502 case NL80211_CHAN_WIDTH_80P80:
503 case NL80211_CHAN_WIDTH_160:
504 phymode = MODE_UNKNOWN;
508 case IEEE80211_BAND_5GHZ:
509 switch (chandef->width) {
510 case NL80211_CHAN_WIDTH_20_NOHT:
513 case NL80211_CHAN_WIDTH_20:
514 phymode = MODE_11NA_HT20;
516 case NL80211_CHAN_WIDTH_40:
517 phymode = MODE_11NA_HT40;
519 case NL80211_CHAN_WIDTH_80:
520 phymode = MODE_11AC_VHT80;
522 case NL80211_CHAN_WIDTH_5:
523 case NL80211_CHAN_WIDTH_10:
524 case NL80211_CHAN_WIDTH_80P80:
525 case NL80211_CHAN_WIDTH_160:
526 phymode = MODE_UNKNOWN;
534 WARN_ON(phymode == MODE_UNKNOWN);
538 static u8 ath10k_parse_mpdudensity(u8 mpdudensity)
541 * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing":
542 * 0 for no restriction
551 switch (mpdudensity) {
557 /* Our lower layer calculations limit our precision to
573 int ath10k_mac_vif_chan(struct ieee80211_vif *vif,
574 struct cfg80211_chan_def *def)
576 struct ieee80211_chanctx_conf *conf;
579 conf = rcu_dereference(vif->chanctx_conf);
591 static void ath10k_mac_num_chanctxs_iter(struct ieee80211_hw *hw,
592 struct ieee80211_chanctx_conf *conf,
600 static int ath10k_mac_num_chanctxs(struct ath10k *ar)
604 ieee80211_iter_chan_contexts_atomic(ar->hw,
605 ath10k_mac_num_chanctxs_iter,
612 ath10k_mac_get_any_chandef_iter(struct ieee80211_hw *hw,
613 struct ieee80211_chanctx_conf *conf,
616 struct cfg80211_chan_def **def = data;
621 static int ath10k_peer_create(struct ath10k *ar,
622 struct ieee80211_vif *vif,
623 struct ieee80211_sta *sta,
626 enum wmi_peer_type peer_type)
628 struct ath10k_vif *arvif;
629 struct ath10k_peer *peer;
633 lockdep_assert_held(&ar->conf_mutex);
635 num_peers = ar->num_peers;
637 /* Each vdev consumes a peer entry as well */
638 list_for_each_entry(arvif, &ar->arvifs, list)
641 if (num_peers >= ar->max_num_peers)
644 ret = ath10k_wmi_peer_create(ar, vdev_id, addr, peer_type);
646 ath10k_warn(ar, "failed to create wmi peer %pM on vdev %i: %i\n",
651 ret = ath10k_wait_for_peer_created(ar, vdev_id, addr);
653 ath10k_warn(ar, "failed to wait for created wmi peer %pM on vdev %i: %i\n",
658 spin_lock_bh(&ar->data_lock);
660 peer = ath10k_peer_find(ar, vdev_id, addr);
662 ath10k_warn(ar, "failed to find peer %pM on vdev %i after creation\n",
664 ath10k_wmi_peer_delete(ar, vdev_id, addr);
665 spin_unlock_bh(&ar->data_lock);
672 spin_unlock_bh(&ar->data_lock);
679 static int ath10k_mac_set_kickout(struct ath10k_vif *arvif)
681 struct ath10k *ar = arvif->ar;
685 param = ar->wmi.pdev_param->sta_kickout_th;
686 ret = ath10k_wmi_pdev_set_param(ar, param,
687 ATH10K_KICKOUT_THRESHOLD);
689 ath10k_warn(ar, "failed to set kickout threshold on vdev %i: %d\n",
690 arvif->vdev_id, ret);
694 param = ar->wmi.vdev_param->ap_keepalive_min_idle_inactive_time_secs;
695 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
696 ATH10K_KEEPALIVE_MIN_IDLE);
698 ath10k_warn(ar, "failed to set keepalive minimum idle time on vdev %i: %d\n",
699 arvif->vdev_id, ret);
703 param = ar->wmi.vdev_param->ap_keepalive_max_idle_inactive_time_secs;
704 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
705 ATH10K_KEEPALIVE_MAX_IDLE);
707 ath10k_warn(ar, "failed to set keepalive maximum idle time on vdev %i: %d\n",
708 arvif->vdev_id, ret);
712 param = ar->wmi.vdev_param->ap_keepalive_max_unresponsive_time_secs;
713 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param,
714 ATH10K_KEEPALIVE_MAX_UNRESPONSIVE);
716 ath10k_warn(ar, "failed to set keepalive maximum unresponsive time on vdev %i: %d\n",
717 arvif->vdev_id, ret);
724 static int ath10k_mac_set_rts(struct ath10k_vif *arvif, u32 value)
726 struct ath10k *ar = arvif->ar;
729 vdev_param = ar->wmi.vdev_param->rts_threshold;
730 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, value);
733 static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr)
737 lockdep_assert_held(&ar->conf_mutex);
739 ret = ath10k_wmi_peer_delete(ar, vdev_id, addr);
743 ret = ath10k_wait_for_peer_deleted(ar, vdev_id, addr);
752 static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
754 struct ath10k_peer *peer, *tmp;
757 lockdep_assert_held(&ar->conf_mutex);
759 spin_lock_bh(&ar->data_lock);
760 list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
761 if (peer->vdev_id != vdev_id)
764 ath10k_warn(ar, "removing stale peer %pM from vdev_id %d\n",
765 peer->addr, vdev_id);
767 for_each_set_bit(peer_id, peer->peer_ids,
768 ATH10K_MAX_NUM_PEER_IDS) {
769 ar->peer_map[peer_id] = NULL;
772 list_del(&peer->list);
776 spin_unlock_bh(&ar->data_lock);
779 static void ath10k_peer_cleanup_all(struct ath10k *ar)
781 struct ath10k_peer *peer, *tmp;
783 lockdep_assert_held(&ar->conf_mutex);
785 spin_lock_bh(&ar->data_lock);
786 list_for_each_entry_safe(peer, tmp, &ar->peers, list) {
787 list_del(&peer->list);
790 spin_unlock_bh(&ar->data_lock);
793 ar->num_stations = 0;
796 static int ath10k_mac_tdls_peer_update(struct ath10k *ar, u32 vdev_id,
797 struct ieee80211_sta *sta,
798 enum wmi_tdls_peer_state state)
801 struct wmi_tdls_peer_update_cmd_arg arg = {};
802 struct wmi_tdls_peer_capab_arg cap = {};
803 struct wmi_channel_arg chan_arg = {};
805 lockdep_assert_held(&ar->conf_mutex);
807 arg.vdev_id = vdev_id;
808 arg.peer_state = state;
809 ether_addr_copy(arg.addr, sta->addr);
811 cap.peer_max_sp = sta->max_sp;
812 cap.peer_uapsd_queues = sta->uapsd_queues;
814 if (state == WMI_TDLS_PEER_STATE_CONNECTED &&
815 !sta->tdls_initiator)
816 cap.is_peer_responder = 1;
818 ret = ath10k_wmi_tdls_peer_update(ar, &arg, &cap, &chan_arg);
820 ath10k_warn(ar, "failed to update tdls peer %pM on vdev %i: %i\n",
821 arg.addr, vdev_id, ret);
828 /************************/
829 /* Interface management */
830 /************************/
832 void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif)
834 struct ath10k *ar = arvif->ar;
836 lockdep_assert_held(&ar->data_lock);
841 if (!arvif->beacon_buf)
842 dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr,
843 arvif->beacon->len, DMA_TO_DEVICE);
845 if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED &&
846 arvif->beacon_state != ATH10K_BEACON_SENT))
849 dev_kfree_skb_any(arvif->beacon);
851 arvif->beacon = NULL;
852 arvif->beacon_state = ATH10K_BEACON_SCHEDULED;
855 static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif)
857 struct ath10k *ar = arvif->ar;
859 lockdep_assert_held(&ar->data_lock);
861 ath10k_mac_vif_beacon_free(arvif);
863 if (arvif->beacon_buf) {
864 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
865 arvif->beacon_buf, arvif->beacon_paddr);
866 arvif->beacon_buf = NULL;
870 static inline int ath10k_vdev_setup_sync(struct ath10k *ar)
872 unsigned long time_left;
874 lockdep_assert_held(&ar->conf_mutex);
876 if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags))
879 time_left = wait_for_completion_timeout(&ar->vdev_setup_done,
880 ATH10K_VDEV_SETUP_TIMEOUT_HZ);
887 static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id)
889 struct cfg80211_chan_def *chandef = NULL;
890 struct ieee80211_channel *channel = NULL;
891 struct wmi_vdev_start_request_arg arg = {};
894 lockdep_assert_held(&ar->conf_mutex);
896 ieee80211_iter_chan_contexts_atomic(ar->hw,
897 ath10k_mac_get_any_chandef_iter,
899 if (WARN_ON_ONCE(!chandef))
902 channel = chandef->chan;
904 arg.vdev_id = vdev_id;
905 arg.channel.freq = channel->center_freq;
906 arg.channel.band_center_freq1 = chandef->center_freq1;
908 /* TODO setup this dynamically, what in case we
909 don't have any vifs? */
910 arg.channel.mode = chan_to_phymode(chandef);
911 arg.channel.chan_radar =
912 !!(channel->flags & IEEE80211_CHAN_RADAR);
914 arg.channel.min_power = 0;
915 arg.channel.max_power = channel->max_power * 2;
916 arg.channel.max_reg_power = channel->max_reg_power * 2;
917 arg.channel.max_antenna_gain = channel->max_antenna_gain * 2;
919 reinit_completion(&ar->vdev_setup_done);
921 ret = ath10k_wmi_vdev_start(ar, &arg);
923 ath10k_warn(ar, "failed to request monitor vdev %i start: %d\n",
928 ret = ath10k_vdev_setup_sync(ar);
930 ath10k_warn(ar, "failed to synchronize setup for monitor vdev %i start: %d\n",
935 ret = ath10k_wmi_vdev_up(ar, vdev_id, 0, ar->mac_addr);
937 ath10k_warn(ar, "failed to put up monitor vdev %i: %d\n",
942 ar->monitor_vdev_id = vdev_id;
944 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i started\n",
945 ar->monitor_vdev_id);
949 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
951 ath10k_warn(ar, "failed to stop monitor vdev %i after start failure: %d\n",
952 ar->monitor_vdev_id, ret);
957 static int ath10k_monitor_vdev_stop(struct ath10k *ar)
961 lockdep_assert_held(&ar->conf_mutex);
963 ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id);
965 ath10k_warn(ar, "failed to put down monitor vdev %i: %d\n",
966 ar->monitor_vdev_id, ret);
968 reinit_completion(&ar->vdev_setup_done);
970 ret = ath10k_wmi_vdev_stop(ar, ar->monitor_vdev_id);
972 ath10k_warn(ar, "failed to to request monitor vdev %i stop: %d\n",
973 ar->monitor_vdev_id, ret);
975 ret = ath10k_vdev_setup_sync(ar);
977 ath10k_warn(ar, "failed to synchronize monitor vdev %i stop: %d\n",
978 ar->monitor_vdev_id, ret);
980 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %i stopped\n",
981 ar->monitor_vdev_id);
985 static int ath10k_monitor_vdev_create(struct ath10k *ar)
989 lockdep_assert_held(&ar->conf_mutex);
991 if (ar->free_vdev_map == 0) {
992 ath10k_warn(ar, "failed to find free vdev id for monitor vdev\n");
996 bit = __ffs64(ar->free_vdev_map);
998 ar->monitor_vdev_id = bit;
1000 ret = ath10k_wmi_vdev_create(ar, ar->monitor_vdev_id,
1001 WMI_VDEV_TYPE_MONITOR,
1004 ath10k_warn(ar, "failed to request monitor vdev %i creation: %d\n",
1005 ar->monitor_vdev_id, ret);
1009 ar->free_vdev_map &= ~(1LL << ar->monitor_vdev_id);
1010 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d created\n",
1011 ar->monitor_vdev_id);
1016 static int ath10k_monitor_vdev_delete(struct ath10k *ar)
1020 lockdep_assert_held(&ar->conf_mutex);
1022 ret = ath10k_wmi_vdev_delete(ar, ar->monitor_vdev_id);
1024 ath10k_warn(ar, "failed to request wmi monitor vdev %i removal: %d\n",
1025 ar->monitor_vdev_id, ret);
1029 ar->free_vdev_map |= 1LL << ar->monitor_vdev_id;
1031 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor vdev %d deleted\n",
1032 ar->monitor_vdev_id);
1036 static int ath10k_monitor_start(struct ath10k *ar)
1040 lockdep_assert_held(&ar->conf_mutex);
1042 ret = ath10k_monitor_vdev_create(ar);
1044 ath10k_warn(ar, "failed to create monitor vdev: %d\n", ret);
1048 ret = ath10k_monitor_vdev_start(ar, ar->monitor_vdev_id);
1050 ath10k_warn(ar, "failed to start monitor vdev: %d\n", ret);
1051 ath10k_monitor_vdev_delete(ar);
1055 ar->monitor_started = true;
1056 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor started\n");
1061 static int ath10k_monitor_stop(struct ath10k *ar)
1065 lockdep_assert_held(&ar->conf_mutex);
1067 ret = ath10k_monitor_vdev_stop(ar);
1069 ath10k_warn(ar, "failed to stop monitor vdev: %d\n", ret);
1073 ret = ath10k_monitor_vdev_delete(ar);
1075 ath10k_warn(ar, "failed to delete monitor vdev: %d\n", ret);
1079 ar->monitor_started = false;
1080 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopped\n");
1085 static bool ath10k_mac_monitor_vdev_is_needed(struct ath10k *ar)
1089 /* At least one chanctx is required to derive a channel to start
1092 num_ctx = ath10k_mac_num_chanctxs(ar);
1096 /* If there's already an existing special monitor interface then don't
1097 * bother creating another monitor vdev.
1099 if (ar->monitor_arvif)
1102 return ar->monitor ||
1103 ar->filter_flags & FIF_OTHER_BSS ||
1104 test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1107 static bool ath10k_mac_monitor_vdev_is_allowed(struct ath10k *ar)
1111 num_ctx = ath10k_mac_num_chanctxs(ar);
1113 /* FIXME: Current interface combinations and cfg80211/mac80211 code
1114 * shouldn't allow this but make sure to prevent handling the following
1115 * case anyway since multi-channel DFS hasn't been tested at all.
1117 if (test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags) && num_ctx > 1)
1123 static int ath10k_monitor_recalc(struct ath10k *ar)
1129 lockdep_assert_held(&ar->conf_mutex);
1131 needed = ath10k_mac_monitor_vdev_is_needed(ar);
1132 allowed = ath10k_mac_monitor_vdev_is_allowed(ar);
1134 ath10k_dbg(ar, ATH10K_DBG_MAC,
1135 "mac monitor recalc started? %d needed? %d allowed? %d\n",
1136 ar->monitor_started, needed, allowed);
1138 if (WARN_ON(needed && !allowed)) {
1139 if (ar->monitor_started) {
1140 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac monitor stopping disallowed monitor\n");
1142 ret = ath10k_monitor_stop(ar);
1144 ath10k_warn(ar, "failed to stop disallowed monitor: %d\n",
1152 if (needed == ar->monitor_started)
1156 return ath10k_monitor_start(ar);
1158 return ath10k_monitor_stop(ar);
1161 static int ath10k_recalc_rtscts_prot(struct ath10k_vif *arvif)
1163 struct ath10k *ar = arvif->ar;
1164 u32 vdev_param, rts_cts = 0;
1166 lockdep_assert_held(&ar->conf_mutex);
1168 vdev_param = ar->wmi.vdev_param->enable_rtscts;
1170 rts_cts |= SM(WMI_RTSCTS_ENABLED, WMI_RTSCTS_SET);
1172 if (arvif->num_legacy_stations > 0)
1173 rts_cts |= SM(WMI_RTSCTS_ACROSS_SW_RETRIES,
1174 WMI_RTSCTS_PROFILE);
1176 rts_cts |= SM(WMI_RTSCTS_FOR_SECOND_RATESERIES,
1177 WMI_RTSCTS_PROFILE);
1179 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
1183 static int ath10k_start_cac(struct ath10k *ar)
1187 lockdep_assert_held(&ar->conf_mutex);
1189 set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1191 ret = ath10k_monitor_recalc(ar);
1193 ath10k_warn(ar, "failed to start monitor (cac): %d\n", ret);
1194 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1198 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac start monitor vdev %d\n",
1199 ar->monitor_vdev_id);
1204 static int ath10k_stop_cac(struct ath10k *ar)
1206 lockdep_assert_held(&ar->conf_mutex);
1208 /* CAC is not running - do nothing */
1209 if (!test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags))
1212 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
1213 ath10k_monitor_stop(ar);
1215 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac cac finished\n");
1220 static void ath10k_mac_has_radar_iter(struct ieee80211_hw *hw,
1221 struct ieee80211_chanctx_conf *conf,
1226 if (!*ret && conf->radar_enabled)
1230 static bool ath10k_mac_has_radar_enabled(struct ath10k *ar)
1232 bool has_radar = false;
1234 ieee80211_iter_chan_contexts_atomic(ar->hw,
1235 ath10k_mac_has_radar_iter,
1241 static void ath10k_recalc_radar_detection(struct ath10k *ar)
1245 lockdep_assert_held(&ar->conf_mutex);
1247 ath10k_stop_cac(ar);
1249 if (!ath10k_mac_has_radar_enabled(ar))
1252 if (ar->num_started_vdevs > 0)
1255 ret = ath10k_start_cac(ar);
1258 * Not possible to start CAC on current channel so starting
1259 * radiation is not allowed, make this channel DFS_UNAVAILABLE
1260 * by indicating that radar was detected.
1262 ath10k_warn(ar, "failed to start CAC: %d\n", ret);
1263 ieee80211_radar_detected(ar->hw);
1267 static int ath10k_vdev_stop(struct ath10k_vif *arvif)
1269 struct ath10k *ar = arvif->ar;
1272 lockdep_assert_held(&ar->conf_mutex);
1274 reinit_completion(&ar->vdev_setup_done);
1276 ret = ath10k_wmi_vdev_stop(ar, arvif->vdev_id);
1278 ath10k_warn(ar, "failed to stop WMI vdev %i: %d\n",
1279 arvif->vdev_id, ret);
1283 ret = ath10k_vdev_setup_sync(ar);
1285 ath10k_warn(ar, "failed to syncronise setup for vdev %i: %d\n",
1286 arvif->vdev_id, ret);
1290 WARN_ON(ar->num_started_vdevs == 0);
1292 if (ar->num_started_vdevs != 0) {
1293 ar->num_started_vdevs--;
1294 ath10k_recalc_radar_detection(ar);
1300 static int ath10k_vdev_start_restart(struct ath10k_vif *arvif,
1301 const struct cfg80211_chan_def *chandef,
1304 struct ath10k *ar = arvif->ar;
1305 struct wmi_vdev_start_request_arg arg = {};
1308 lockdep_assert_held(&ar->conf_mutex);
1310 reinit_completion(&ar->vdev_setup_done);
1312 arg.vdev_id = arvif->vdev_id;
1313 arg.dtim_period = arvif->dtim_period;
1314 arg.bcn_intval = arvif->beacon_interval;
1316 arg.channel.freq = chandef->chan->center_freq;
1317 arg.channel.band_center_freq1 = chandef->center_freq1;
1318 arg.channel.mode = chan_to_phymode(chandef);
1320 arg.channel.min_power = 0;
1321 arg.channel.max_power = chandef->chan->max_power * 2;
1322 arg.channel.max_reg_power = chandef->chan->max_reg_power * 2;
1323 arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2;
1325 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
1326 arg.ssid = arvif->u.ap.ssid;
1327 arg.ssid_len = arvif->u.ap.ssid_len;
1328 arg.hidden_ssid = arvif->u.ap.hidden_ssid;
1330 /* For now allow DFS for AP mode */
1331 arg.channel.chan_radar =
1332 !!(chandef->chan->flags & IEEE80211_CHAN_RADAR);
1333 } else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
1334 arg.ssid = arvif->vif->bss_conf.ssid;
1335 arg.ssid_len = arvif->vif->bss_conf.ssid_len;
1338 ath10k_dbg(ar, ATH10K_DBG_MAC,
1339 "mac vdev %d start center_freq %d phymode %s\n",
1340 arg.vdev_id, arg.channel.freq,
1341 ath10k_wmi_phymode_str(arg.channel.mode));
1344 ret = ath10k_wmi_vdev_restart(ar, &arg);
1346 ret = ath10k_wmi_vdev_start(ar, &arg);
1349 ath10k_warn(ar, "failed to start WMI vdev %i: %d\n",
1354 ret = ath10k_vdev_setup_sync(ar);
1357 "failed to synchronize setup for vdev %i restart %d: %d\n",
1358 arg.vdev_id, restart, ret);
1362 ar->num_started_vdevs++;
1363 ath10k_recalc_radar_detection(ar);
1368 static int ath10k_vdev_start(struct ath10k_vif *arvif,
1369 const struct cfg80211_chan_def *def)
1371 return ath10k_vdev_start_restart(arvif, def, false);
1374 static int ath10k_vdev_restart(struct ath10k_vif *arvif,
1375 const struct cfg80211_chan_def *def)
1377 return ath10k_vdev_start_restart(arvif, def, true);
1380 static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif,
1381 struct sk_buff *bcn)
1383 struct ath10k *ar = arvif->ar;
1384 struct ieee80211_mgmt *mgmt;
1388 if (arvif->vif->type != NL80211_IFTYPE_AP || !arvif->vif->p2p)
1391 mgmt = (void *)bcn->data;
1392 p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1393 mgmt->u.beacon.variable,
1394 bcn->len - (mgmt->u.beacon.variable -
1399 ret = ath10k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie);
1401 ath10k_warn(ar, "failed to submit p2p go bcn ie for vdev %i: %d\n",
1402 arvif->vdev_id, ret);
1409 static int ath10k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui,
1410 u8 oui_type, size_t ie_offset)
1417 if (WARN_ON(skb->len < ie_offset))
1420 ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type,
1421 skb->data + ie_offset,
1422 skb->len - ie_offset);
1427 end = skb->data + skb->len;
1430 if (WARN_ON(next > end))
1433 memmove(ie, next, end - next);
1434 skb_trim(skb, skb->len - len);
1439 static int ath10k_mac_setup_bcn_tmpl(struct ath10k_vif *arvif)
1441 struct ath10k *ar = arvif->ar;
1442 struct ieee80211_hw *hw = ar->hw;
1443 struct ieee80211_vif *vif = arvif->vif;
1444 struct ieee80211_mutable_offsets offs = {};
1445 struct sk_buff *bcn;
1448 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1451 if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
1452 arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
1455 bcn = ieee80211_beacon_get_template(hw, vif, &offs);
1457 ath10k_warn(ar, "failed to get beacon template from mac80211\n");
1461 ret = ath10k_mac_setup_bcn_p2p_ie(arvif, bcn);
1463 ath10k_warn(ar, "failed to setup p2p go bcn ie: %d\n", ret);
1468 /* P2P IE is inserted by firmware automatically (as configured above)
1469 * so remove it from the base beacon template to avoid duplicate P2P
1470 * IEs in beacon frames.
1472 ath10k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1473 offsetof(struct ieee80211_mgmt,
1474 u.beacon.variable));
1476 ret = ath10k_wmi_bcn_tmpl(ar, arvif->vdev_id, offs.tim_offset, bcn, 0,
1481 ath10k_warn(ar, "failed to submit beacon template command: %d\n",
1489 static int ath10k_mac_setup_prb_tmpl(struct ath10k_vif *arvif)
1491 struct ath10k *ar = arvif->ar;
1492 struct ieee80211_hw *hw = ar->hw;
1493 struct ieee80211_vif *vif = arvif->vif;
1494 struct sk_buff *prb;
1497 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1500 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1503 prb = ieee80211_proberesp_get(hw, vif);
1505 ath10k_warn(ar, "failed to get probe resp template from mac80211\n");
1509 ret = ath10k_wmi_prb_tmpl(ar, arvif->vdev_id, prb);
1513 ath10k_warn(ar, "failed to submit probe resp template command: %d\n",
1521 static int ath10k_mac_vif_fix_hidden_ssid(struct ath10k_vif *arvif)
1523 struct ath10k *ar = arvif->ar;
1524 struct cfg80211_chan_def def;
1527 /* When originally vdev is started during assign_vif_chanctx() some
1528 * information is missing, notably SSID. Firmware revisions with beacon
1529 * offloading require the SSID to be provided during vdev (re)start to
1530 * handle hidden SSID properly.
1532 * Vdev restart must be done after vdev has been both started and
1533 * upped. Otherwise some firmware revisions (at least 10.2) fail to
1534 * deliver vdev restart response event causing timeouts during vdev
1535 * syncing in ath10k.
1537 * Note: The vdev down/up and template reinstallation could be skipped
1538 * since only wmi-tlv firmware are known to have beacon offload and
1539 * wmi-tlv doesn't seem to misbehave like 10.2 wrt vdev restart
1540 * response delivery. It's probably more robust to keep it as is.
1542 if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
1545 if (WARN_ON(!arvif->is_started))
1548 if (WARN_ON(!arvif->is_up))
1551 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
1554 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
1556 ath10k_warn(ar, "failed to bring down ap vdev %i: %d\n",
1557 arvif->vdev_id, ret);
1561 /* Vdev down reset beacon & presp templates. Reinstall them. Otherwise
1562 * firmware will crash upon vdev up.
1565 ret = ath10k_mac_setup_bcn_tmpl(arvif);
1567 ath10k_warn(ar, "failed to update beacon template: %d\n", ret);
1571 ret = ath10k_mac_setup_prb_tmpl(arvif);
1573 ath10k_warn(ar, "failed to update presp template: %d\n", ret);
1577 ret = ath10k_vdev_restart(arvif, &def);
1579 ath10k_warn(ar, "failed to restart ap vdev %i: %d\n",
1580 arvif->vdev_id, ret);
1584 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
1587 ath10k_warn(ar, "failed to bring up ap vdev %i: %d\n",
1588 arvif->vdev_id, ret);
1595 static void ath10k_control_beaconing(struct ath10k_vif *arvif,
1596 struct ieee80211_bss_conf *info)
1598 struct ath10k *ar = arvif->ar;
1601 lockdep_assert_held(&arvif->ar->conf_mutex);
1603 if (!info->enable_beacon) {
1604 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
1606 ath10k_warn(ar, "failed to down vdev_id %i: %d\n",
1607 arvif->vdev_id, ret);
1609 arvif->is_up = false;
1611 spin_lock_bh(&arvif->ar->data_lock);
1612 ath10k_mac_vif_beacon_free(arvif);
1613 spin_unlock_bh(&arvif->ar->data_lock);
1618 arvif->tx_seq_no = 0x1000;
1621 ether_addr_copy(arvif->bssid, info->bssid);
1623 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
1626 ath10k_warn(ar, "failed to bring up vdev %d: %i\n",
1627 arvif->vdev_id, ret);
1631 arvif->is_up = true;
1633 ret = ath10k_mac_vif_fix_hidden_ssid(arvif);
1635 ath10k_warn(ar, "failed to fix hidden ssid for vdev %i, expect trouble: %d\n",
1636 arvif->vdev_id, ret);
1640 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d up\n", arvif->vdev_id);
1643 static void ath10k_control_ibss(struct ath10k_vif *arvif,
1644 struct ieee80211_bss_conf *info,
1645 const u8 self_peer[ETH_ALEN])
1647 struct ath10k *ar = arvif->ar;
1651 lockdep_assert_held(&arvif->ar->conf_mutex);
1653 if (!info->ibss_joined) {
1654 if (is_zero_ether_addr(arvif->bssid))
1657 eth_zero_addr(arvif->bssid);
1662 vdev_param = arvif->ar->wmi.vdev_param->atim_window;
1663 ret = ath10k_wmi_vdev_set_param(arvif->ar, arvif->vdev_id, vdev_param,
1664 ATH10K_DEFAULT_ATIM);
1666 ath10k_warn(ar, "failed to set IBSS ATIM for vdev %d: %d\n",
1667 arvif->vdev_id, ret);
1670 static int ath10k_mac_vif_recalc_ps_wake_threshold(struct ath10k_vif *arvif)
1672 struct ath10k *ar = arvif->ar;
1677 lockdep_assert_held(&arvif->ar->conf_mutex);
1679 if (arvif->u.sta.uapsd)
1680 value = WMI_STA_PS_TX_WAKE_THRESHOLD_NEVER;
1682 value = WMI_STA_PS_TX_WAKE_THRESHOLD_ALWAYS;
1684 param = WMI_STA_PS_PARAM_TX_WAKE_THRESHOLD;
1685 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param, value);
1687 ath10k_warn(ar, "failed to submit ps wake threshold %u on vdev %i: %d\n",
1688 value, arvif->vdev_id, ret);
1695 static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif)
1697 struct ath10k *ar = arvif->ar;
1702 lockdep_assert_held(&arvif->ar->conf_mutex);
1704 if (arvif->u.sta.uapsd)
1705 value = WMI_STA_PS_PSPOLL_COUNT_UAPSD;
1707 value = WMI_STA_PS_PSPOLL_COUNT_NO_MAX;
1709 param = WMI_STA_PS_PARAM_PSPOLL_COUNT;
1710 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
1713 ath10k_warn(ar, "failed to submit ps poll count %u on vdev %i: %d\n",
1714 value, arvif->vdev_id, ret);
1721 static int ath10k_mac_num_vifs_started(struct ath10k *ar)
1723 struct ath10k_vif *arvif;
1726 lockdep_assert_held(&ar->conf_mutex);
1728 list_for_each_entry(arvif, &ar->arvifs, list)
1729 if (arvif->is_started)
1735 static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif)
1737 struct ath10k *ar = arvif->ar;
1738 struct ieee80211_vif *vif = arvif->vif;
1739 struct ieee80211_conf *conf = &ar->hw->conf;
1740 enum wmi_sta_powersave_param param;
1741 enum wmi_sta_ps_mode psmode;
1746 lockdep_assert_held(&arvif->ar->conf_mutex);
1748 if (arvif->vif->type != NL80211_IFTYPE_STATION)
1751 enable_ps = arvif->ps;
1753 if (enable_ps && ath10k_mac_num_vifs_started(ar) > 1 &&
1754 !test_bit(ATH10K_FW_FEATURE_MULTI_VIF_PS_SUPPORT,
1756 ath10k_warn(ar, "refusing to enable ps on vdev %i: not supported by fw\n",
1761 if (!arvif->is_started) {
1762 /* mac80211 can update vif powersave state while disconnected.
1763 * Firmware doesn't behave nicely and consumes more power than
1764 * necessary if PS is disabled on a non-started vdev. Hence
1765 * force-enable PS for non-running vdevs.
1767 psmode = WMI_STA_PS_MODE_ENABLED;
1768 } else if (enable_ps) {
1769 psmode = WMI_STA_PS_MODE_ENABLED;
1770 param = WMI_STA_PS_PARAM_INACTIVITY_TIME;
1772 ps_timeout = conf->dynamic_ps_timeout;
1773 if (ps_timeout == 0) {
1774 /* Firmware doesn't like 0 */
1775 ps_timeout = ieee80211_tu_to_usec(
1776 vif->bss_conf.beacon_int) / 1000;
1779 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param,
1782 ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n",
1783 arvif->vdev_id, ret);
1787 psmode = WMI_STA_PS_MODE_DISABLED;
1790 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d psmode %s\n",
1791 arvif->vdev_id, psmode ? "enable" : "disable");
1793 ret = ath10k_wmi_set_psmode(ar, arvif->vdev_id, psmode);
1795 ath10k_warn(ar, "failed to set PS Mode %d for vdev %d: %d\n",
1796 psmode, arvif->vdev_id, ret);
1803 static int ath10k_mac_vif_disable_keepalive(struct ath10k_vif *arvif)
1805 struct ath10k *ar = arvif->ar;
1806 struct wmi_sta_keepalive_arg arg = {};
1809 lockdep_assert_held(&arvif->ar->conf_mutex);
1811 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
1814 if (!test_bit(WMI_SERVICE_STA_KEEP_ALIVE, ar->wmi.svc_map))
1817 /* Some firmware revisions have a bug and ignore the `enabled` field.
1818 * Instead use the interval to disable the keepalive.
1820 arg.vdev_id = arvif->vdev_id;
1822 arg.method = WMI_STA_KEEPALIVE_METHOD_NULL_FRAME;
1823 arg.interval = WMI_STA_KEEPALIVE_INTERVAL_DISABLE;
1825 ret = ath10k_wmi_sta_keepalive(ar, &arg);
1827 ath10k_warn(ar, "failed to submit keepalive on vdev %i: %d\n",
1828 arvif->vdev_id, ret);
1835 static void ath10k_mac_vif_ap_csa_count_down(struct ath10k_vif *arvif)
1837 struct ath10k *ar = arvif->ar;
1838 struct ieee80211_vif *vif = arvif->vif;
1841 lockdep_assert_held(&arvif->ar->conf_mutex);
1843 if (WARN_ON(!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)))
1846 if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
1849 if (!vif->csa_active)
1855 if (!ieee80211_csa_is_complete(vif)) {
1856 ieee80211_csa_update_counter(vif);
1858 ret = ath10k_mac_setup_bcn_tmpl(arvif);
1860 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
1863 ret = ath10k_mac_setup_prb_tmpl(arvif);
1865 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
1868 ieee80211_csa_finish(vif);
1872 static void ath10k_mac_vif_ap_csa_work(struct work_struct *work)
1874 struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
1876 struct ath10k *ar = arvif->ar;
1878 mutex_lock(&ar->conf_mutex);
1879 ath10k_mac_vif_ap_csa_count_down(arvif);
1880 mutex_unlock(&ar->conf_mutex);
1883 static void ath10k_mac_handle_beacon_iter(void *data, u8 *mac,
1884 struct ieee80211_vif *vif)
1886 struct sk_buff *skb = data;
1887 struct ieee80211_mgmt *mgmt = (void *)skb->data;
1888 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1890 if (vif->type != NL80211_IFTYPE_STATION)
1893 if (!ether_addr_equal(mgmt->bssid, vif->bss_conf.bssid))
1896 cancel_delayed_work(&arvif->connection_loss_work);
1899 void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb)
1901 ieee80211_iterate_active_interfaces_atomic(ar->hw,
1902 IEEE80211_IFACE_ITER_NORMAL,
1903 ath10k_mac_handle_beacon_iter,
1907 static void ath10k_mac_handle_beacon_miss_iter(void *data, u8 *mac,
1908 struct ieee80211_vif *vif)
1910 u32 *vdev_id = data;
1911 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1912 struct ath10k *ar = arvif->ar;
1913 struct ieee80211_hw *hw = ar->hw;
1915 if (arvif->vdev_id != *vdev_id)
1921 ieee80211_beacon_loss(vif);
1923 /* Firmware doesn't report beacon loss events repeatedly. If AP probe
1924 * (done by mac80211) succeeds but beacons do not resume then it
1925 * doesn't make sense to continue operation. Queue connection loss work
1926 * which can be cancelled when beacon is received.
1928 ieee80211_queue_delayed_work(hw, &arvif->connection_loss_work,
1929 ATH10K_CONNECTION_LOSS_HZ);
1932 void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id)
1934 ieee80211_iterate_active_interfaces_atomic(ar->hw,
1935 IEEE80211_IFACE_ITER_NORMAL,
1936 ath10k_mac_handle_beacon_miss_iter,
1940 static void ath10k_mac_vif_sta_connection_loss_work(struct work_struct *work)
1942 struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
1943 connection_loss_work.work);
1944 struct ieee80211_vif *vif = arvif->vif;
1949 ieee80211_connection_loss(vif);
1952 /**********************/
1953 /* Station management */
1954 /**********************/
1956 static u32 ath10k_peer_assoc_h_listen_intval(struct ath10k *ar,
1957 struct ieee80211_vif *vif)
1959 /* Some firmware revisions have unstable STA powersave when listen
1960 * interval is set too high (e.g. 5). The symptoms are firmware doesn't
1961 * generate NullFunc frames properly even if buffered frames have been
1962 * indicated in Beacon TIM. Firmware would seldom wake up to pull
1963 * buffered frames. Often pinging the device from AP would simply fail.
1965 * As a workaround set it to 1.
1967 if (vif->type == NL80211_IFTYPE_STATION)
1970 return ar->hw->conf.listen_interval;
1973 static void ath10k_peer_assoc_h_basic(struct ath10k *ar,
1974 struct ieee80211_vif *vif,
1975 struct ieee80211_sta *sta,
1976 struct wmi_peer_assoc_complete_arg *arg)
1978 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
1981 lockdep_assert_held(&ar->conf_mutex);
1983 if (vif->type == NL80211_IFTYPE_STATION)
1984 aid = vif->bss_conf.aid;
1988 ether_addr_copy(arg->addr, sta->addr);
1989 arg->vdev_id = arvif->vdev_id;
1990 arg->peer_aid = aid;
1991 arg->peer_flags |= arvif->ar->wmi.peer_flags->auth;
1992 arg->peer_listen_intval = ath10k_peer_assoc_h_listen_intval(ar, vif);
1993 arg->peer_num_spatial_streams = 1;
1994 arg->peer_caps = vif->bss_conf.assoc_capability;
1997 static void ath10k_peer_assoc_h_crypto(struct ath10k *ar,
1998 struct ieee80211_vif *vif,
1999 struct ieee80211_sta *sta,
2000 struct wmi_peer_assoc_complete_arg *arg)
2002 struct ieee80211_bss_conf *info = &vif->bss_conf;
2003 struct cfg80211_chan_def def;
2004 struct cfg80211_bss *bss;
2005 const u8 *rsnie = NULL;
2006 const u8 *wpaie = NULL;
2008 lockdep_assert_held(&ar->conf_mutex);
2010 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2013 bss = cfg80211_get_bss(ar->hw->wiphy, def.chan, info->bssid, NULL, 0,
2014 IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
2016 const struct cfg80211_bss_ies *ies;
2019 rsnie = ieee80211_bss_get_ie(bss, WLAN_EID_RSN);
2021 ies = rcu_dereference(bss->ies);
2023 wpaie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
2024 WLAN_OUI_TYPE_MICROSOFT_WPA,
2028 cfg80211_put_bss(ar->hw->wiphy, bss);
2031 /* FIXME: base on RSN IE/WPA IE is a correct idea? */
2032 if (rsnie || wpaie) {
2033 ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: rsn ie found\n", __func__);
2034 arg->peer_flags |= ar->wmi.peer_flags->need_ptk_4_way;
2038 ath10k_dbg(ar, ATH10K_DBG_WMI, "%s: wpa ie found\n", __func__);
2039 arg->peer_flags |= ar->wmi.peer_flags->need_gtk_2_way;
2043 test_bit(ATH10K_FW_FEATURE_MFP_SUPPORT, ar->fw_features)) {
2044 arg->peer_flags |= ar->wmi.peer_flags->pmf;
2048 static void ath10k_peer_assoc_h_rates(struct ath10k *ar,
2049 struct ieee80211_vif *vif,
2050 struct ieee80211_sta *sta,
2051 struct wmi_peer_assoc_complete_arg *arg)
2053 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2054 struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates;
2055 struct cfg80211_chan_def def;
2056 const struct ieee80211_supported_band *sband;
2057 const struct ieee80211_rate *rates;
2058 enum ieee80211_band band;
2063 lockdep_assert_held(&ar->conf_mutex);
2065 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2068 band = def.chan->band;
2069 sband = ar->hw->wiphy->bands[band];
2070 ratemask = sta->supp_rates[band];
2071 ratemask &= arvif->bitrate_mask.control[band].legacy;
2072 rates = sband->bitrates;
2074 rateset->num_rates = 0;
2076 for (i = 0; i < 32; i++, ratemask >>= 1, rates++) {
2077 if (!(ratemask & 1))
2080 rate = ath10k_mac_bitrate_to_rate(rates->bitrate);
2081 rateset->rates[rateset->num_rates] = rate;
2082 rateset->num_rates++;
2087 ath10k_peer_assoc_h_ht_masked(const u8 ht_mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
2091 for (nss = 0; nss < IEEE80211_HT_MCS_MASK_LEN; nss++)
2092 if (ht_mcs_mask[nss])
2099 ath10k_peer_assoc_h_vht_masked(const u16 vht_mcs_mask[NL80211_VHT_NSS_MAX])
2103 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++)
2104 if (vht_mcs_mask[nss])
2110 static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
2111 struct ieee80211_vif *vif,
2112 struct ieee80211_sta *sta,
2113 struct wmi_peer_assoc_complete_arg *arg)
2115 const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
2116 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2117 struct cfg80211_chan_def def;
2118 enum ieee80211_band band;
2119 const u8 *ht_mcs_mask;
2120 const u16 *vht_mcs_mask;
2125 lockdep_assert_held(&ar->conf_mutex);
2127 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2130 if (!ht_cap->ht_supported)
2133 band = def.chan->band;
2134 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2135 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2137 if (ath10k_peer_assoc_h_ht_masked(ht_mcs_mask) &&
2138 ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
2141 arg->peer_flags |= ar->wmi.peer_flags->ht;
2142 arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2143 ht_cap->ampdu_factor)) - 1;
2145 arg->peer_mpdu_density =
2146 ath10k_parse_mpdudensity(ht_cap->ampdu_density);
2148 arg->peer_ht_caps = ht_cap->cap;
2149 arg->peer_rate_caps |= WMI_RC_HT_FLAG;
2151 if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING)
2152 arg->peer_flags |= ar->wmi.peer_flags->ldbc;
2154 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) {
2155 arg->peer_flags |= ar->wmi.peer_flags->bw40;
2156 arg->peer_rate_caps |= WMI_RC_CW40_FLAG;
2159 if (arvif->bitrate_mask.control[band].gi != NL80211_TXRATE_FORCE_LGI) {
2160 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
2161 arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
2163 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40)
2164 arg->peer_rate_caps |= WMI_RC_SGI_FLAG;
2167 if (ht_cap->cap & IEEE80211_HT_CAP_TX_STBC) {
2168 arg->peer_rate_caps |= WMI_RC_TX_STBC_FLAG;
2169 arg->peer_flags |= ar->wmi.peer_flags->stbc;
2172 if (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC) {
2173 stbc = ht_cap->cap & IEEE80211_HT_CAP_RX_STBC;
2174 stbc = stbc >> IEEE80211_HT_CAP_RX_STBC_SHIFT;
2175 stbc = stbc << WMI_RC_RX_STBC_FLAG_S;
2176 arg->peer_rate_caps |= stbc;
2177 arg->peer_flags |= ar->wmi.peer_flags->stbc;
2180 if (ht_cap->mcs.rx_mask[1] && ht_cap->mcs.rx_mask[2])
2181 arg->peer_rate_caps |= WMI_RC_TS_FLAG;
2182 else if (ht_cap->mcs.rx_mask[1])
2183 arg->peer_rate_caps |= WMI_RC_DS_FLAG;
2185 for (i = 0, n = 0, max_nss = 0; i < IEEE80211_HT_MCS_MASK_LEN * 8; i++)
2186 if ((ht_cap->mcs.rx_mask[i / 8] & BIT(i % 8)) &&
2187 (ht_mcs_mask[i / 8] & BIT(i % 8))) {
2188 max_nss = (i / 8) + 1;
2189 arg->peer_ht_rates.rates[n++] = i;
2193 * This is a workaround for HT-enabled STAs which break the spec
2194 * and have no HT capabilities RX mask (no HT RX MCS map).
2196 * As per spec, in section 20.3.5 Modulation and coding scheme (MCS),
2197 * MCS 0 through 7 are mandatory in 20MHz with 800 ns GI at all STAs.
2199 * Firmware asserts if such situation occurs.
2202 arg->peer_ht_rates.num_rates = 8;
2203 for (i = 0; i < arg->peer_ht_rates.num_rates; i++)
2204 arg->peer_ht_rates.rates[i] = i;
2206 arg->peer_ht_rates.num_rates = n;
2207 arg->peer_num_spatial_streams = min(sta->rx_nss, max_nss);
2210 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n",
2212 arg->peer_ht_rates.num_rates,
2213 arg->peer_num_spatial_streams);
2216 static int ath10k_peer_assoc_qos_ap(struct ath10k *ar,
2217 struct ath10k_vif *arvif,
2218 struct ieee80211_sta *sta)
2224 lockdep_assert_held(&ar->conf_mutex);
2226 if (sta->wme && sta->uapsd_queues) {
2227 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac uapsd_queues 0x%x max_sp %d\n",
2228 sta->uapsd_queues, sta->max_sp);
2230 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
2231 uapsd |= WMI_AP_PS_UAPSD_AC3_DELIVERY_EN |
2232 WMI_AP_PS_UAPSD_AC3_TRIGGER_EN;
2233 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
2234 uapsd |= WMI_AP_PS_UAPSD_AC2_DELIVERY_EN |
2235 WMI_AP_PS_UAPSD_AC2_TRIGGER_EN;
2236 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
2237 uapsd |= WMI_AP_PS_UAPSD_AC1_DELIVERY_EN |
2238 WMI_AP_PS_UAPSD_AC1_TRIGGER_EN;
2239 if (sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
2240 uapsd |= WMI_AP_PS_UAPSD_AC0_DELIVERY_EN |
2241 WMI_AP_PS_UAPSD_AC0_TRIGGER_EN;
2243 if (sta->max_sp < MAX_WMI_AP_PS_PEER_PARAM_MAX_SP)
2244 max_sp = sta->max_sp;
2246 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
2248 WMI_AP_PS_PEER_PARAM_UAPSD,
2251 ath10k_warn(ar, "failed to set ap ps peer param uapsd for vdev %i: %d\n",
2252 arvif->vdev_id, ret);
2256 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id,
2258 WMI_AP_PS_PEER_PARAM_MAX_SP,
2261 ath10k_warn(ar, "failed to set ap ps peer param max sp for vdev %i: %d\n",
2262 arvif->vdev_id, ret);
2266 /* TODO setup this based on STA listen interval and
2267 beacon interval. Currently we don't know
2268 sta->listen_interval - mac80211 patch required.
2269 Currently use 10 seconds */
2270 ret = ath10k_wmi_set_ap_ps_param(ar, arvif->vdev_id, sta->addr,
2271 WMI_AP_PS_PEER_PARAM_AGEOUT_TIME,
2274 ath10k_warn(ar, "failed to set ap ps peer param ageout time for vdev %i: %d\n",
2275 arvif->vdev_id, ret);
2284 ath10k_peer_assoc_h_vht_limit(u16 tx_mcs_set,
2285 const u16 vht_mcs_limit[NL80211_VHT_NSS_MAX])
2292 for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) {
2293 mcs_map = ath10k_mac_get_max_vht_mcs_map(tx_mcs_set, nss) &
2297 idx_limit = fls(mcs_map) - 1;
2301 switch (idx_limit) {
2302 case 0: /* fall through */
2303 case 1: /* fall through */
2304 case 2: /* fall through */
2305 case 3: /* fall through */
2306 case 4: /* fall through */
2307 case 5: /* fall through */
2308 case 6: /* fall through */
2310 /* see ath10k_mac_can_set_bitrate_mask() */
2314 mcs = IEEE80211_VHT_MCS_NOT_SUPPORTED;
2317 mcs = IEEE80211_VHT_MCS_SUPPORT_0_7;
2320 mcs = IEEE80211_VHT_MCS_SUPPORT_0_8;
2323 mcs = IEEE80211_VHT_MCS_SUPPORT_0_9;
2327 tx_mcs_set &= ~(0x3 << (nss * 2));
2328 tx_mcs_set |= mcs << (nss * 2);
2334 static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
2335 struct ieee80211_vif *vif,
2336 struct ieee80211_sta *sta,
2337 struct wmi_peer_assoc_complete_arg *arg)
2339 const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
2340 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2341 struct cfg80211_chan_def def;
2342 enum ieee80211_band band;
2343 const u16 *vht_mcs_mask;
2346 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2349 if (!vht_cap->vht_supported)
2352 band = def.chan->band;
2353 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2355 if (ath10k_peer_assoc_h_vht_masked(vht_mcs_mask))
2358 arg->peer_flags |= ar->wmi.peer_flags->vht;
2360 if (def.chan->band == IEEE80211_BAND_2GHZ)
2361 arg->peer_flags |= ar->wmi.peer_flags->vht_2g;
2363 arg->peer_vht_caps = vht_cap->cap;
2365 ampdu_factor = (vht_cap->cap &
2366 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
2367 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
2369 /* Workaround: Some Netgear/Linksys 11ac APs set Rx A-MPDU factor to
2370 * zero in VHT IE. Using it would result in degraded throughput.
2371 * arg->peer_max_mpdu at this point contains HT max_mpdu so keep
2372 * it if VHT max_mpdu is smaller. */
2373 arg->peer_max_mpdu = max(arg->peer_max_mpdu,
2374 (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR +
2375 ampdu_factor)) - 1);
2377 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
2378 arg->peer_flags |= ar->wmi.peer_flags->bw80;
2380 arg->peer_vht_rates.rx_max_rate =
2381 __le16_to_cpu(vht_cap->vht_mcs.rx_highest);
2382 arg->peer_vht_rates.rx_mcs_set =
2383 __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);
2384 arg->peer_vht_rates.tx_max_rate =
2385 __le16_to_cpu(vht_cap->vht_mcs.tx_highest);
2386 arg->peer_vht_rates.tx_mcs_set = ath10k_peer_assoc_h_vht_limit(
2387 __le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask);
2389 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n",
2390 sta->addr, arg->peer_max_mpdu, arg->peer_flags);
2393 static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
2394 struct ieee80211_vif *vif,
2395 struct ieee80211_sta *sta,
2396 struct wmi_peer_assoc_complete_arg *arg)
2398 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2400 switch (arvif->vdev_type) {
2401 case WMI_VDEV_TYPE_AP:
2403 arg->peer_flags |= arvif->ar->wmi.peer_flags->qos;
2405 if (sta->wme && sta->uapsd_queues) {
2406 arg->peer_flags |= arvif->ar->wmi.peer_flags->apsd;
2407 arg->peer_rate_caps |= WMI_RC_UAPSD_FLAG;
2410 case WMI_VDEV_TYPE_STA:
2411 if (vif->bss_conf.qos)
2412 arg->peer_flags |= arvif->ar->wmi.peer_flags->qos;
2414 case WMI_VDEV_TYPE_IBSS:
2416 arg->peer_flags |= arvif->ar->wmi.peer_flags->qos;
2422 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n",
2423 sta->addr, !!(arg->peer_flags &
2424 arvif->ar->wmi.peer_flags->qos));
2427 static bool ath10k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta)
2429 return sta->supp_rates[IEEE80211_BAND_2GHZ] >>
2430 ATH10K_MAC_FIRST_OFDM_RATE_IDX;
2433 static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
2434 struct ieee80211_vif *vif,
2435 struct ieee80211_sta *sta,
2436 struct wmi_peer_assoc_complete_arg *arg)
2438 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2439 struct cfg80211_chan_def def;
2440 enum ieee80211_band band;
2441 const u8 *ht_mcs_mask;
2442 const u16 *vht_mcs_mask;
2443 enum wmi_phy_mode phymode = MODE_UNKNOWN;
2445 if (WARN_ON(ath10k_mac_vif_chan(vif, &def)))
2448 band = def.chan->band;
2449 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
2450 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
2453 case IEEE80211_BAND_2GHZ:
2454 if (sta->vht_cap.vht_supported &&
2455 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
2456 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2457 phymode = MODE_11AC_VHT40;
2459 phymode = MODE_11AC_VHT20;
2460 } else if (sta->ht_cap.ht_supported &&
2461 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2462 if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2463 phymode = MODE_11NG_HT40;
2465 phymode = MODE_11NG_HT20;
2466 } else if (ath10k_mac_sta_has_ofdm_only(sta)) {
2473 case IEEE80211_BAND_5GHZ:
2477 if (sta->vht_cap.vht_supported &&
2478 !ath10k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
2479 if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
2480 phymode = MODE_11AC_VHT80;
2481 else if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
2482 phymode = MODE_11AC_VHT40;
2483 else if (sta->bandwidth == IEEE80211_STA_RX_BW_20)
2484 phymode = MODE_11AC_VHT20;
2485 } else if (sta->ht_cap.ht_supported &&
2486 !ath10k_peer_assoc_h_ht_masked(ht_mcs_mask)) {
2487 if (sta->bandwidth >= IEEE80211_STA_RX_BW_40)
2488 phymode = MODE_11NA_HT40;
2490 phymode = MODE_11NA_HT20;
2500 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM phymode %s\n",
2501 sta->addr, ath10k_wmi_phymode_str(phymode));
2503 arg->peer_phymode = phymode;
2504 WARN_ON(phymode == MODE_UNKNOWN);
2507 static int ath10k_peer_assoc_prepare(struct ath10k *ar,
2508 struct ieee80211_vif *vif,
2509 struct ieee80211_sta *sta,
2510 struct wmi_peer_assoc_complete_arg *arg)
2512 lockdep_assert_held(&ar->conf_mutex);
2514 memset(arg, 0, sizeof(*arg));
2516 ath10k_peer_assoc_h_basic(ar, vif, sta, arg);
2517 ath10k_peer_assoc_h_crypto(ar, vif, sta, arg);
2518 ath10k_peer_assoc_h_rates(ar, vif, sta, arg);
2519 ath10k_peer_assoc_h_ht(ar, vif, sta, arg);
2520 ath10k_peer_assoc_h_vht(ar, vif, sta, arg);
2521 ath10k_peer_assoc_h_qos(ar, vif, sta, arg);
2522 ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
2527 static const u32 ath10k_smps_map[] = {
2528 [WLAN_HT_CAP_SM_PS_STATIC] = WMI_PEER_SMPS_STATIC,
2529 [WLAN_HT_CAP_SM_PS_DYNAMIC] = WMI_PEER_SMPS_DYNAMIC,
2530 [WLAN_HT_CAP_SM_PS_INVALID] = WMI_PEER_SMPS_PS_NONE,
2531 [WLAN_HT_CAP_SM_PS_DISABLED] = WMI_PEER_SMPS_PS_NONE,
2534 static int ath10k_setup_peer_smps(struct ath10k *ar, struct ath10k_vif *arvif,
2536 const struct ieee80211_sta_ht_cap *ht_cap)
2540 if (!ht_cap->ht_supported)
2543 smps = ht_cap->cap & IEEE80211_HT_CAP_SM_PS;
2544 smps >>= IEEE80211_HT_CAP_SM_PS_SHIFT;
2546 if (smps >= ARRAY_SIZE(ath10k_smps_map))
2549 return ath10k_wmi_peer_set_param(ar, arvif->vdev_id, addr,
2550 WMI_PEER_SMPS_STATE,
2551 ath10k_smps_map[smps]);
2554 static int ath10k_mac_vif_recalc_txbf(struct ath10k *ar,
2555 struct ieee80211_vif *vif,
2556 struct ieee80211_sta_vht_cap vht_cap)
2558 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2563 if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_AFTER_ASSOC)
2566 if (!(ar->vht_cap_info &
2567 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
2568 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
2569 IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
2570 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)))
2573 param = ar->wmi.vdev_param->txbf;
2576 if (WARN_ON(param == WMI_VDEV_PARAM_UNSUPPORTED))
2579 /* The following logic is correct. If a remote STA advertises support
2580 * for being a beamformer then we should enable us being a beamformee.
2583 if (ar->vht_cap_info &
2584 (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
2585 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
2586 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
2587 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
2589 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
2590 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFEE;
2593 if (ar->vht_cap_info &
2594 (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
2595 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
2596 if (vht_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
2597 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
2599 if (vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
2600 value |= WMI_VDEV_PARAM_TXBF_MU_TX_BFER;
2603 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFEE)
2604 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
2606 if (value & WMI_VDEV_PARAM_TXBF_MU_TX_BFER)
2607 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
2609 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, param, value);
2611 ath10k_warn(ar, "failed to submit vdev param txbf 0x%x: %d\n",
2619 /* can be called only in mac80211 callbacks due to `key_count` usage */
2620 static void ath10k_bss_assoc(struct ieee80211_hw *hw,
2621 struct ieee80211_vif *vif,
2622 struct ieee80211_bss_conf *bss_conf)
2624 struct ath10k *ar = hw->priv;
2625 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2626 struct ieee80211_sta_ht_cap ht_cap;
2627 struct ieee80211_sta_vht_cap vht_cap;
2628 struct wmi_peer_assoc_complete_arg peer_arg;
2629 struct ieee80211_sta *ap_sta;
2632 lockdep_assert_held(&ar->conf_mutex);
2634 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i assoc bssid %pM aid %d\n",
2635 arvif->vdev_id, arvif->bssid, arvif->aid);
2639 ap_sta = ieee80211_find_sta(vif, bss_conf->bssid);
2641 ath10k_warn(ar, "failed to find station entry for bss %pM vdev %i\n",
2642 bss_conf->bssid, arvif->vdev_id);
2647 /* ap_sta must be accessed only within rcu section which must be left
2648 * before calling ath10k_setup_peer_smps() which might sleep. */
2649 ht_cap = ap_sta->ht_cap;
2650 vht_cap = ap_sta->vht_cap;
2652 ret = ath10k_peer_assoc_prepare(ar, vif, ap_sta, &peer_arg);
2654 ath10k_warn(ar, "failed to prepare peer assoc for %pM vdev %i: %d\n",
2655 bss_conf->bssid, arvif->vdev_id, ret);
2662 ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
2664 ath10k_warn(ar, "failed to run peer assoc for %pM vdev %i: %d\n",
2665 bss_conf->bssid, arvif->vdev_id, ret);
2669 ret = ath10k_setup_peer_smps(ar, arvif, bss_conf->bssid, &ht_cap);
2671 ath10k_warn(ar, "failed to setup peer SMPS for vdev %i: %d\n",
2672 arvif->vdev_id, ret);
2676 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
2678 ath10k_warn(ar, "failed to recalc txbf for vdev %i on bss %pM: %d\n",
2679 arvif->vdev_id, bss_conf->bssid, ret);
2683 ath10k_dbg(ar, ATH10K_DBG_MAC,
2684 "mac vdev %d up (associated) bssid %pM aid %d\n",
2685 arvif->vdev_id, bss_conf->bssid, bss_conf->aid);
2687 WARN_ON(arvif->is_up);
2689 arvif->aid = bss_conf->aid;
2690 ether_addr_copy(arvif->bssid, bss_conf->bssid);
2692 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid);
2694 ath10k_warn(ar, "failed to set vdev %d up: %d\n",
2695 arvif->vdev_id, ret);
2699 arvif->is_up = true;
2701 /* Workaround: Some firmware revisions (tested with qca6174
2702 * WLAN.RM.2.0-00073) have buggy powersave state machine and must be
2703 * poked with peer param command.
2705 ret = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, arvif->bssid,
2706 WMI_PEER_DUMMY_VAR, 1);
2708 ath10k_warn(ar, "failed to poke peer %pM param for ps workaround on vdev %i: %d\n",
2709 arvif->bssid, arvif->vdev_id, ret);
2714 static void ath10k_bss_disassoc(struct ieee80211_hw *hw,
2715 struct ieee80211_vif *vif)
2717 struct ath10k *ar = hw->priv;
2718 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2719 struct ieee80211_sta_vht_cap vht_cap = {};
2722 lockdep_assert_held(&ar->conf_mutex);
2724 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i disassoc bssid %pM\n",
2725 arvif->vdev_id, arvif->bssid);
2727 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
2729 ath10k_warn(ar, "faield to down vdev %i: %d\n",
2730 arvif->vdev_id, ret);
2732 arvif->def_wep_key_idx = -1;
2734 ret = ath10k_mac_vif_recalc_txbf(ar, vif, vht_cap);
2736 ath10k_warn(ar, "failed to recalc txbf for vdev %i: %d\n",
2737 arvif->vdev_id, ret);
2741 arvif->is_up = false;
2743 cancel_delayed_work_sync(&arvif->connection_loss_work);
2746 static int ath10k_station_assoc(struct ath10k *ar,
2747 struct ieee80211_vif *vif,
2748 struct ieee80211_sta *sta,
2751 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2752 struct wmi_peer_assoc_complete_arg peer_arg;
2755 lockdep_assert_held(&ar->conf_mutex);
2757 ret = ath10k_peer_assoc_prepare(ar, vif, sta, &peer_arg);
2759 ath10k_warn(ar, "failed to prepare WMI peer assoc for %pM vdev %i: %i\n",
2760 sta->addr, arvif->vdev_id, ret);
2764 ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
2766 ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n",
2767 sta->addr, arvif->vdev_id, ret);
2771 /* Re-assoc is run only to update supported rates for given station. It
2772 * doesn't make much sense to reconfigure the peer completely.
2775 ret = ath10k_setup_peer_smps(ar, arvif, sta->addr,
2778 ath10k_warn(ar, "failed to setup peer SMPS for vdev %d: %d\n",
2779 arvif->vdev_id, ret);
2783 ret = ath10k_peer_assoc_qos_ap(ar, arvif, sta);
2785 ath10k_warn(ar, "failed to set qos params for STA %pM for vdev %i: %d\n",
2786 sta->addr, arvif->vdev_id, ret);
2791 arvif->num_legacy_stations++;
2792 ret = ath10k_recalc_rtscts_prot(arvif);
2794 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
2795 arvif->vdev_id, ret);
2800 /* Plumb cached keys only for static WEP */
2801 if (arvif->def_wep_key_idx != -1) {
2802 ret = ath10k_install_peer_wep_keys(arvif, sta->addr);
2804 ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n",
2805 arvif->vdev_id, ret);
2814 static int ath10k_station_disassoc(struct ath10k *ar,
2815 struct ieee80211_vif *vif,
2816 struct ieee80211_sta *sta)
2818 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
2821 lockdep_assert_held(&ar->conf_mutex);
2824 arvif->num_legacy_stations--;
2825 ret = ath10k_recalc_rtscts_prot(arvif);
2827 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
2828 arvif->vdev_id, ret);
2833 ret = ath10k_clear_peer_keys(arvif, sta->addr);
2835 ath10k_warn(ar, "failed to clear all peer wep keys for vdev %i: %d\n",
2836 arvif->vdev_id, ret);
2847 static int ath10k_update_channel_list(struct ath10k *ar)
2849 struct ieee80211_hw *hw = ar->hw;
2850 struct ieee80211_supported_band **bands;
2851 enum ieee80211_band band;
2852 struct ieee80211_channel *channel;
2853 struct wmi_scan_chan_list_arg arg = {0};
2854 struct wmi_channel_arg *ch;
2860 lockdep_assert_held(&ar->conf_mutex);
2862 bands = hw->wiphy->bands;
2863 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2867 for (i = 0; i < bands[band]->n_channels; i++) {
2868 if (bands[band]->channels[i].flags &
2869 IEEE80211_CHAN_DISABLED)
2876 len = sizeof(struct wmi_channel_arg) * arg.n_channels;
2877 arg.channels = kzalloc(len, GFP_KERNEL);
2882 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2886 for (i = 0; i < bands[band]->n_channels; i++) {
2887 channel = &bands[band]->channels[i];
2889 if (channel->flags & IEEE80211_CHAN_DISABLED)
2892 ch->allow_ht = true;
2894 /* FIXME: when should we really allow VHT? */
2895 ch->allow_vht = true;
2898 !(channel->flags & IEEE80211_CHAN_NO_IR);
2901 !(channel->flags & IEEE80211_CHAN_NO_HT40PLUS);
2904 !!(channel->flags & IEEE80211_CHAN_RADAR);
2906 passive = channel->flags & IEEE80211_CHAN_NO_IR;
2907 ch->passive = passive;
2909 ch->freq = channel->center_freq;
2910 ch->band_center_freq1 = channel->center_freq;
2912 ch->max_power = channel->max_power * 2;
2913 ch->max_reg_power = channel->max_reg_power * 2;
2914 ch->max_antenna_gain = channel->max_antenna_gain * 2;
2915 ch->reg_class_id = 0; /* FIXME */
2917 /* FIXME: why use only legacy modes, why not any
2918 * HT/VHT modes? Would that even make any
2920 if (channel->band == IEEE80211_BAND_2GHZ)
2921 ch->mode = MODE_11G;
2923 ch->mode = MODE_11A;
2925 if (WARN_ON_ONCE(ch->mode == MODE_UNKNOWN))
2928 ath10k_dbg(ar, ATH10K_DBG_WMI,
2929 "mac channel [%zd/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n",
2930 ch - arg.channels, arg.n_channels,
2931 ch->freq, ch->max_power, ch->max_reg_power,
2932 ch->max_antenna_gain, ch->mode);
2938 ret = ath10k_wmi_scan_chan_list(ar, &arg);
2939 kfree(arg.channels);
2944 static enum wmi_dfs_region
2945 ath10k_mac_get_dfs_region(enum nl80211_dfs_regions dfs_region)
2947 switch (dfs_region) {
2948 case NL80211_DFS_UNSET:
2949 return WMI_UNINIT_DFS_DOMAIN;
2950 case NL80211_DFS_FCC:
2951 return WMI_FCC_DFS_DOMAIN;
2952 case NL80211_DFS_ETSI:
2953 return WMI_ETSI_DFS_DOMAIN;
2954 case NL80211_DFS_JP:
2955 return WMI_MKK4_DFS_DOMAIN;
2957 return WMI_UNINIT_DFS_DOMAIN;
2960 static void ath10k_regd_update(struct ath10k *ar)
2962 struct reg_dmn_pair_mapping *regpair;
2964 enum wmi_dfs_region wmi_dfs_reg;
2965 enum nl80211_dfs_regions nl_dfs_reg;
2967 lockdep_assert_held(&ar->conf_mutex);
2969 ret = ath10k_update_channel_list(ar);
2971 ath10k_warn(ar, "failed to update channel list: %d\n", ret);
2973 regpair = ar->ath_common.regulatory.regpair;
2975 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
2976 nl_dfs_reg = ar->dfs_detector->region;
2977 wmi_dfs_reg = ath10k_mac_get_dfs_region(nl_dfs_reg);
2979 wmi_dfs_reg = WMI_UNINIT_DFS_DOMAIN;
2982 /* Target allows setting up per-band regdomain but ath_common provides
2983 * a combined one only */
2984 ret = ath10k_wmi_pdev_set_regdomain(ar,
2985 regpair->reg_domain,
2986 regpair->reg_domain, /* 2ghz */
2987 regpair->reg_domain, /* 5ghz */
2988 regpair->reg_2ghz_ctl,
2989 regpair->reg_5ghz_ctl,
2992 ath10k_warn(ar, "failed to set pdev regdomain: %d\n", ret);
2995 static void ath10k_reg_notifier(struct wiphy *wiphy,
2996 struct regulatory_request *request)
2998 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
2999 struct ath10k *ar = hw->priv;
3002 ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory);
3004 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
3005 ath10k_dbg(ar, ATH10K_DBG_REGULATORY, "dfs region 0x%x\n",
3006 request->dfs_region);
3007 result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector,
3008 request->dfs_region);
3010 ath10k_warn(ar, "DFS region 0x%X not supported, will trigger radar for every pulse\n",
3011 request->dfs_region);
3014 mutex_lock(&ar->conf_mutex);
3015 if (ar->state == ATH10K_STATE_ON)
3016 ath10k_regd_update(ar);
3017 mutex_unlock(&ar->conf_mutex);
3024 enum ath10k_mac_tx_path {
3026 ATH10K_MAC_TX_HTT_MGMT,
3027 ATH10K_MAC_TX_WMI_MGMT,
3028 ATH10K_MAC_TX_UNKNOWN,
3031 void ath10k_mac_tx_lock(struct ath10k *ar, int reason)
3033 lockdep_assert_held(&ar->htt.tx_lock);
3035 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
3036 ar->tx_paused |= BIT(reason);
3037 ieee80211_stop_queues(ar->hw);
3040 static void ath10k_mac_tx_unlock_iter(void *data, u8 *mac,
3041 struct ieee80211_vif *vif)
3043 struct ath10k *ar = data;
3044 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3046 if (arvif->tx_paused)
3049 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
3052 void ath10k_mac_tx_unlock(struct ath10k *ar, int reason)
3054 lockdep_assert_held(&ar->htt.tx_lock);
3056 WARN_ON(reason >= ATH10K_TX_PAUSE_MAX);
3057 ar->tx_paused &= ~BIT(reason);
3062 ieee80211_iterate_active_interfaces_atomic(ar->hw,
3063 IEEE80211_IFACE_ITER_RESUME_ALL,
3064 ath10k_mac_tx_unlock_iter,
3067 ieee80211_wake_queue(ar->hw, ar->hw->offchannel_tx_hw_queue);
3070 void ath10k_mac_vif_tx_lock(struct ath10k_vif *arvif, int reason)
3072 struct ath10k *ar = arvif->ar;
3074 lockdep_assert_held(&ar->htt.tx_lock);
3076 WARN_ON(reason >= BITS_PER_LONG);
3077 arvif->tx_paused |= BIT(reason);
3078 ieee80211_stop_queue(ar->hw, arvif->vdev_id);
3081 void ath10k_mac_vif_tx_unlock(struct ath10k_vif *arvif, int reason)
3083 struct ath10k *ar = arvif->ar;
3085 lockdep_assert_held(&ar->htt.tx_lock);
3087 WARN_ON(reason >= BITS_PER_LONG);
3088 arvif->tx_paused &= ~BIT(reason);
3093 if (arvif->tx_paused)
3096 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
3099 static void ath10k_mac_vif_handle_tx_pause(struct ath10k_vif *arvif,
3100 enum wmi_tlv_tx_pause_id pause_id,
3101 enum wmi_tlv_tx_pause_action action)
3103 struct ath10k *ar = arvif->ar;
3105 lockdep_assert_held(&ar->htt.tx_lock);
3108 case WMI_TLV_TX_PAUSE_ACTION_STOP:
3109 ath10k_mac_vif_tx_lock(arvif, pause_id);
3111 case WMI_TLV_TX_PAUSE_ACTION_WAKE:
3112 ath10k_mac_vif_tx_unlock(arvif, pause_id);
3115 ath10k_warn(ar, "received unknown tx pause action %d on vdev %i, ignoring\n",
3116 action, arvif->vdev_id);
3121 struct ath10k_mac_tx_pause {
3123 enum wmi_tlv_tx_pause_id pause_id;
3124 enum wmi_tlv_tx_pause_action action;
3127 static void ath10k_mac_handle_tx_pause_iter(void *data, u8 *mac,
3128 struct ieee80211_vif *vif)
3130 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3131 struct ath10k_mac_tx_pause *arg = data;
3133 if (arvif->vdev_id != arg->vdev_id)
3136 ath10k_mac_vif_handle_tx_pause(arvif, arg->pause_id, arg->action);
3139 void ath10k_mac_handle_tx_pause_vdev(struct ath10k *ar, u32 vdev_id,
3140 enum wmi_tlv_tx_pause_id pause_id,
3141 enum wmi_tlv_tx_pause_action action)
3143 struct ath10k_mac_tx_pause arg = {
3145 .pause_id = pause_id,
3149 spin_lock_bh(&ar->htt.tx_lock);
3150 ieee80211_iterate_active_interfaces_atomic(ar->hw,
3151 IEEE80211_IFACE_ITER_RESUME_ALL,
3152 ath10k_mac_handle_tx_pause_iter,
3154 spin_unlock_bh(&ar->htt.tx_lock);
3157 static enum ath10k_hw_txrx_mode
3158 ath10k_mac_tx_h_get_txmode(struct ath10k *ar,
3159 struct ieee80211_vif *vif,
3160 struct ieee80211_sta *sta,
3161 struct sk_buff *skb)
3163 const struct ieee80211_hdr *hdr = (void *)skb->data;
3164 __le16 fc = hdr->frame_control;
3166 if (!vif || vif->type == NL80211_IFTYPE_MONITOR)
3167 return ATH10K_HW_TXRX_RAW;
3169 if (ieee80211_is_mgmt(fc))
3170 return ATH10K_HW_TXRX_MGMT;
3174 * NullFunc frames are mostly used to ping if a client or AP are still
3175 * reachable and responsive. This implies tx status reports must be
3176 * accurate - otherwise either mac80211 or userspace (e.g. hostapd) can
3177 * come to a conclusion that the other end disappeared and tear down
3178 * BSS connection or it can never disconnect from BSS/client (which is
3181 * Firmware with HTT older than 3.0 delivers incorrect tx status for
3182 * NullFunc frames to driver. However there's a HTT Mgmt Tx command
3183 * which seems to deliver correct tx reports for NullFunc frames. The
3184 * downside of using it is it ignores client powersave state so it can
3185 * end up disconnecting sleeping clients in AP mode. It should fix STA
3186 * mode though because AP don't sleep.
3188 if (ar->htt.target_version_major < 3 &&
3189 (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)) &&
3190 !test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX, ar->fw_features))
3191 return ATH10K_HW_TXRX_MGMT;
3195 * Some wmi-tlv firmwares for qca6174 have broken Tx key selection for
3196 * NativeWifi txmode - it selects AP key instead of peer key. It seems
3197 * to work with Ethernet txmode so use it.
3199 * FIXME: Check if raw mode works with TDLS.
3201 if (ieee80211_is_data_present(fc) && sta && sta->tdls)
3202 return ATH10K_HW_TXRX_ETHERNET;
3204 if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
3205 return ATH10K_HW_TXRX_RAW;
3207 return ATH10K_HW_TXRX_NATIVE_WIFI;
3210 static bool ath10k_tx_h_use_hwcrypto(struct ieee80211_vif *vif,
3211 struct sk_buff *skb)
3213 const struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3214 const struct ieee80211_hdr *hdr = (void *)skb->data;
3215 const u32 mask = IEEE80211_TX_INTFL_DONT_ENCRYPT |
3216 IEEE80211_TX_CTL_INJECTED;
3218 if (!ieee80211_has_protected(hdr->frame_control))
3221 if ((info->flags & mask) == mask)
3225 return !ath10k_vif_to_arvif(vif)->nohwcrypt;
3230 /* HTT Tx uses Native Wifi tx mode which expects 802.11 frames without QoS
3231 * Control in the header.
3233 static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb)
3235 struct ieee80211_hdr *hdr = (void *)skb->data;
3236 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
3239 if (!ieee80211_is_data_qos(hdr->frame_control))
3242 qos_ctl = ieee80211_get_qos_ctl(hdr);
3243 memmove(skb->data + IEEE80211_QOS_CTL_LEN,
3244 skb->data, (void *)qos_ctl - (void *)skb->data);
3245 skb_pull(skb, IEEE80211_QOS_CTL_LEN);
3247 /* Some firmware revisions don't handle sending QoS NullFunc well.
3248 * These frames are mainly used for CQM purposes so it doesn't really
3249 * matter whether QoS NullFunc or NullFunc are sent.
3251 hdr = (void *)skb->data;
3252 if (ieee80211_is_qos_nullfunc(hdr->frame_control))
3253 cb->flags &= ~ATH10K_SKB_F_QOS;
3255 hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
3258 static void ath10k_tx_h_8023(struct sk_buff *skb)
3260 struct ieee80211_hdr *hdr;
3261 struct rfc1042_hdr *rfc1042;
3268 hdr = (void *)skb->data;
3269 hdrlen = ieee80211_hdrlen(hdr->frame_control);
3270 rfc1042 = (void *)skb->data + hdrlen;
3272 ether_addr_copy(da, ieee80211_get_DA(hdr));
3273 ether_addr_copy(sa, ieee80211_get_SA(hdr));
3274 type = rfc1042->snap_type;
3276 skb_pull(skb, hdrlen + sizeof(*rfc1042));
3277 skb_push(skb, sizeof(*eth));
3279 eth = (void *)skb->data;
3280 ether_addr_copy(eth->h_dest, da);
3281 ether_addr_copy(eth->h_source, sa);
3282 eth->h_proto = type;
3285 static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar,
3286 struct ieee80211_vif *vif,
3287 struct sk_buff *skb)
3289 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
3290 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
3292 /* This is case only for P2P_GO */
3293 if (vif->type != NL80211_IFTYPE_AP || !vif->p2p)
3296 if (unlikely(ieee80211_is_probe_resp(hdr->frame_control))) {
3297 spin_lock_bh(&ar->data_lock);
3298 if (arvif->u.ap.noa_data)
3299 if (!pskb_expand_head(skb, 0, arvif->u.ap.noa_len,
3301 memcpy(skb_put(skb, arvif->u.ap.noa_len),
3302 arvif->u.ap.noa_data,
3303 arvif->u.ap.noa_len);
3304 spin_unlock_bh(&ar->data_lock);
3308 static void ath10k_mac_tx_h_fill_cb(struct ath10k *ar,
3309 struct ieee80211_vif *vif,
3310 struct sk_buff *skb)
3312 struct ieee80211_hdr *hdr = (void *)skb->data;
3313 struct ath10k_skb_cb *cb = ATH10K_SKB_CB(skb);
3316 if (!ath10k_tx_h_use_hwcrypto(vif, skb))
3317 cb->flags |= ATH10K_SKB_F_NO_HWCRYPT;
3319 if (ieee80211_is_mgmt(hdr->frame_control))
3320 cb->flags |= ATH10K_SKB_F_MGMT;
3322 if (ieee80211_is_data_qos(hdr->frame_control))
3323 cb->flags |= ATH10K_SKB_F_QOS;
3328 bool ath10k_mac_tx_frm_has_freq(struct ath10k *ar)
3330 /* FIXME: Not really sure since when the behaviour changed. At some
3331 * point new firmware stopped requiring creation of peer entries for
3332 * offchannel tx (and actually creating them causes issues with wmi-htc
3333 * tx credit replenishment and reliability). Assuming it's at least 3.4
3334 * because that's when the `freq` was introduced to TX_FRM HTT command.
3336 return (ar->htt.target_version_major >= 3 &&
3337 ar->htt.target_version_minor >= 4 &&
3338 ar->htt.op_version == ATH10K_FW_HTT_OP_VERSION_TLV);
3341 static int ath10k_mac_tx_wmi_mgmt(struct ath10k *ar, struct sk_buff *skb)
3343 struct sk_buff_head *q = &ar->wmi_mgmt_tx_queue;
3346 spin_lock_bh(&ar->data_lock);
3348 if (skb_queue_len(q) == ATH10K_MAX_NUM_MGMT_PENDING) {
3349 ath10k_warn(ar, "wmi mgmt tx queue is full\n");
3354 __skb_queue_tail(q, skb);
3355 ieee80211_queue_work(ar->hw, &ar->wmi_mgmt_tx_work);
3358 spin_unlock_bh(&ar->data_lock);
3363 static enum ath10k_mac_tx_path
3364 ath10k_mac_tx_h_get_txpath(struct ath10k *ar,
3365 struct sk_buff *skb,
3366 enum ath10k_hw_txrx_mode txmode)
3369 case ATH10K_HW_TXRX_RAW:
3370 case ATH10K_HW_TXRX_NATIVE_WIFI:
3371 case ATH10K_HW_TXRX_ETHERNET:
3372 return ATH10K_MAC_TX_HTT;
3373 case ATH10K_HW_TXRX_MGMT:
3374 if (test_bit(ATH10K_FW_FEATURE_HAS_WMI_MGMT_TX,
3376 return ATH10K_MAC_TX_WMI_MGMT;
3377 else if (ar->htt.target_version_major >= 3)
3378 return ATH10K_MAC_TX_HTT;
3380 return ATH10K_MAC_TX_HTT_MGMT;
3383 return ATH10K_MAC_TX_UNKNOWN;
3386 static int ath10k_mac_tx_submit(struct ath10k *ar,
3387 enum ath10k_hw_txrx_mode txmode,
3388 enum ath10k_mac_tx_path txpath,
3389 struct sk_buff *skb)
3391 struct ath10k_htt *htt = &ar->htt;
3395 case ATH10K_MAC_TX_HTT:
3396 ret = ath10k_htt_tx(htt, txmode, skb);
3398 case ATH10K_MAC_TX_HTT_MGMT:
3399 ret = ath10k_htt_mgmt_tx(htt, skb);
3401 case ATH10K_MAC_TX_WMI_MGMT:
3402 ret = ath10k_mac_tx_wmi_mgmt(ar, skb);
3404 case ATH10K_MAC_TX_UNKNOWN:
3411 ath10k_warn(ar, "failed to transmit packet, dropping: %d\n",
3413 ieee80211_free_txskb(ar->hw, skb);
3419 /* This function consumes the sk_buff regardless of return value as far as
3420 * caller is concerned so no freeing is necessary afterwards.
3422 static int ath10k_mac_tx(struct ath10k *ar,
3423 struct ieee80211_vif *vif,
3424 struct ieee80211_sta *sta,
3425 enum ath10k_hw_txrx_mode txmode,
3426 enum ath10k_mac_tx_path txpath,
3427 struct sk_buff *skb)
3429 struct ieee80211_hw *hw = ar->hw;
3430 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3433 /* We should disable CCK RATE due to P2P */
3434 if (info->flags & IEEE80211_TX_CTL_NO_CCK_RATE)
3435 ath10k_dbg(ar, ATH10K_DBG_MAC, "IEEE80211_TX_CTL_NO_CCK_RATE\n");
3438 case ATH10K_HW_TXRX_MGMT:
3439 case ATH10K_HW_TXRX_NATIVE_WIFI:
3440 ath10k_tx_h_nwifi(hw, skb);
3441 ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb);
3442 ath10k_tx_h_seq_no(vif, skb);
3444 case ATH10K_HW_TXRX_ETHERNET:
3445 ath10k_tx_h_8023(skb);
3447 case ATH10K_HW_TXRX_RAW:
3448 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
3450 ieee80211_free_txskb(hw, skb);
3455 if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) {
3456 if (!ath10k_mac_tx_frm_has_freq(ar)) {
3457 ath10k_dbg(ar, ATH10K_DBG_MAC, "queued offchannel skb %p\n",
3460 skb_queue_tail(&ar->offchan_tx_queue, skb);
3461 ieee80211_queue_work(hw, &ar->offchan_tx_work);
3466 ret = ath10k_mac_tx_submit(ar, txmode, txpath, skb);
3468 ath10k_warn(ar, "failed to submit frame: %d\n", ret);
3475 void ath10k_offchan_tx_purge(struct ath10k *ar)
3477 struct sk_buff *skb;
3480 skb = skb_dequeue(&ar->offchan_tx_queue);
3484 ieee80211_free_txskb(ar->hw, skb);
3488 void ath10k_offchan_tx_work(struct work_struct *work)
3490 struct ath10k *ar = container_of(work, struct ath10k, offchan_tx_work);
3491 struct ath10k_peer *peer;
3492 struct ath10k_vif *arvif;
3493 enum ath10k_hw_txrx_mode txmode;
3494 enum ath10k_mac_tx_path txpath;
3495 struct ieee80211_hdr *hdr;
3496 struct ieee80211_vif *vif;
3497 struct ieee80211_sta *sta;
3498 struct sk_buff *skb;
3499 const u8 *peer_addr;
3502 unsigned long time_left;
3503 bool tmp_peer_created = false;
3505 /* FW requirement: We must create a peer before FW will send out
3506 * an offchannel frame. Otherwise the frame will be stuck and
3507 * never transmitted. We delete the peer upon tx completion.
3508 * It is unlikely that a peer for offchannel tx will already be
3509 * present. However it may be in some rare cases so account for that.
3510 * Otherwise we might remove a legitimate peer and break stuff. */
3513 skb = skb_dequeue(&ar->offchan_tx_queue);
3517 mutex_lock(&ar->conf_mutex);
3519 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac offchannel skb %p\n",
3522 hdr = (struct ieee80211_hdr *)skb->data;
3523 peer_addr = ieee80211_get_DA(hdr);
3525 spin_lock_bh(&ar->data_lock);
3526 vdev_id = ar->scan.vdev_id;
3527 peer = ath10k_peer_find(ar, vdev_id, peer_addr);
3528 spin_unlock_bh(&ar->data_lock);
3531 /* FIXME: should this use ath10k_warn()? */
3532 ath10k_dbg(ar, ATH10K_DBG_MAC, "peer %pM on vdev %d already present\n",
3533 peer_addr, vdev_id);
3536 ret = ath10k_peer_create(ar, NULL, NULL, vdev_id,
3538 WMI_PEER_TYPE_DEFAULT);
3540 ath10k_warn(ar, "failed to create peer %pM on vdev %d: %d\n",
3541 peer_addr, vdev_id, ret);
3542 tmp_peer_created = (ret == 0);
3545 spin_lock_bh(&ar->data_lock);
3546 reinit_completion(&ar->offchan_tx_completed);
3547 ar->offchan_tx_skb = skb;
3548 spin_unlock_bh(&ar->data_lock);
3550 /* It's safe to access vif and sta - conf_mutex guarantees that
3551 * sta_state() and remove_interface() are locked exclusively
3552 * out wrt to this offchannel worker.
3554 arvif = ath10k_get_arvif(ar, vdev_id);
3557 sta = ieee80211_find_sta(vif, peer_addr);
3563 txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb);
3564 txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode);
3566 ret = ath10k_mac_tx(ar, vif, sta, txmode, txpath, skb);
3568 ath10k_warn(ar, "failed to transmit offchannel frame: %d\n",
3574 wait_for_completion_timeout(&ar->offchan_tx_completed, 3 * HZ);
3576 ath10k_warn(ar, "timed out waiting for offchannel skb %p\n",
3579 if (!peer && tmp_peer_created) {
3580 ret = ath10k_peer_delete(ar, vdev_id, peer_addr);
3582 ath10k_warn(ar, "failed to delete peer %pM on vdev %d: %d\n",
3583 peer_addr, vdev_id, ret);
3586 mutex_unlock(&ar->conf_mutex);
3590 void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar)
3592 struct sk_buff *skb;
3595 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
3599 ieee80211_free_txskb(ar->hw, skb);
3603 void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work)
3605 struct ath10k *ar = container_of(work, struct ath10k, wmi_mgmt_tx_work);
3606 struct sk_buff *skb;
3610 skb = skb_dequeue(&ar->wmi_mgmt_tx_queue);
3614 ret = ath10k_wmi_mgmt_tx(ar, skb);
3616 ath10k_warn(ar, "failed to transmit management frame via WMI: %d\n",
3618 ieee80211_free_txskb(ar->hw, skb);
3623 static void ath10k_mac_txq_init(struct ieee80211_txq *txq)
3625 struct ath10k_txq *artxq = (void *)txq->drv_priv;
3630 INIT_LIST_HEAD(&artxq->list);
3633 static void ath10k_mac_txq_unref(struct ath10k *ar, struct ieee80211_txq *txq)
3635 struct ath10k_txq *artxq = (void *)txq->drv_priv;
3640 spin_lock_bh(&ar->txqs_lock);
3641 if (!list_empty(&artxq->list))
3642 list_del_init(&artxq->list);
3643 spin_unlock_bh(&ar->txqs_lock);
3646 static bool ath10k_mac_tx_can_push(struct ieee80211_hw *hw,
3647 struct ieee80211_txq *txq)
3652 static int ath10k_mac_tx_push_txq(struct ieee80211_hw *hw,
3653 struct ieee80211_txq *txq)
3655 const bool is_mgmt = false;
3656 const bool is_presp = false;
3657 struct ath10k *ar = hw->priv;
3658 struct ath10k_htt *htt = &ar->htt;
3659 struct ieee80211_vif *vif = txq->vif;
3660 struct ieee80211_sta *sta = txq->sta;
3661 enum ath10k_hw_txrx_mode txmode;
3662 enum ath10k_mac_tx_path txpath;
3663 struct sk_buff *skb;
3666 spin_lock_bh(&ar->htt.tx_lock);
3667 ret = ath10k_htt_tx_inc_pending(htt, is_mgmt, is_presp);
3668 spin_unlock_bh(&ar->htt.tx_lock);
3673 skb = ieee80211_tx_dequeue(hw, txq);
3675 spin_lock_bh(&ar->htt.tx_lock);
3676 ath10k_htt_tx_dec_pending(htt, is_mgmt);
3677 spin_unlock_bh(&ar->htt.tx_lock);
3682 ath10k_mac_tx_h_fill_cb(ar, vif, skb);
3684 txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb);
3685 txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode);
3687 ret = ath10k_mac_tx(ar, vif, sta, txmode, txpath, skb);
3688 if (unlikely(ret)) {
3689 ath10k_warn(ar, "failed to push frame: %d\n", ret);
3691 spin_lock_bh(&ar->htt.tx_lock);
3692 ath10k_htt_tx_dec_pending(htt, is_mgmt);
3693 spin_unlock_bh(&ar->htt.tx_lock);
3701 void ath10k_mac_tx_push_pending(struct ath10k *ar)
3703 struct ieee80211_hw *hw = ar->hw;
3704 struct ieee80211_txq *txq;
3705 struct ath10k_txq *artxq;
3706 struct ath10k_txq *last;
3710 spin_lock_bh(&ar->txqs_lock);
3713 last = list_last_entry(&ar->txqs, struct ath10k_txq, list);
3714 while (!list_empty(&ar->txqs)) {
3715 artxq = list_first_entry(&ar->txqs, struct ath10k_txq, list);
3716 txq = container_of((void *)artxq, struct ieee80211_txq,
3719 /* Prevent aggressive sta/tid taking over tx queue */
3722 ret = ath10k_mac_tx_push_txq(hw, txq);
3727 list_del_init(&artxq->list);
3729 if (artxq == last || (ret < 0 && ret != -ENOENT)) {
3731 list_add_tail(&artxq->list, &ar->txqs);
3737 spin_unlock_bh(&ar->txqs_lock);
3744 void __ath10k_scan_finish(struct ath10k *ar)
3746 lockdep_assert_held(&ar->data_lock);
3748 switch (ar->scan.state) {
3749 case ATH10K_SCAN_IDLE:
3751 case ATH10K_SCAN_RUNNING:
3752 case ATH10K_SCAN_ABORTING:
3753 if (!ar->scan.is_roc)
3754 ieee80211_scan_completed(ar->hw,
3756 ATH10K_SCAN_ABORTING));
3757 else if (ar->scan.roc_notify)
3758 ieee80211_remain_on_channel_expired(ar->hw);
3760 case ATH10K_SCAN_STARTING:
3761 ar->scan.state = ATH10K_SCAN_IDLE;
3762 ar->scan_channel = NULL;
3763 ar->scan.roc_freq = 0;
3764 ath10k_offchan_tx_purge(ar);
3765 cancel_delayed_work(&ar->scan.timeout);
3766 complete_all(&ar->scan.completed);
3771 void ath10k_scan_finish(struct ath10k *ar)
3773 spin_lock_bh(&ar->data_lock);
3774 __ath10k_scan_finish(ar);
3775 spin_unlock_bh(&ar->data_lock);
3778 static int ath10k_scan_stop(struct ath10k *ar)
3780 struct wmi_stop_scan_arg arg = {
3781 .req_id = 1, /* FIXME */
3782 .req_type = WMI_SCAN_STOP_ONE,
3783 .u.scan_id = ATH10K_SCAN_ID,
3787 lockdep_assert_held(&ar->conf_mutex);
3789 ret = ath10k_wmi_stop_scan(ar, &arg);
3791 ath10k_warn(ar, "failed to stop wmi scan: %d\n", ret);
3795 ret = wait_for_completion_timeout(&ar->scan.completed, 3*HZ);
3797 ath10k_warn(ar, "failed to receive scan abortion completion: timed out\n");
3799 } else if (ret > 0) {
3804 /* Scan state should be updated upon scan completion but in case
3805 * firmware fails to deliver the event (for whatever reason) it is
3806 * desired to clean up scan state anyway. Firmware may have just
3807 * dropped the scan completion event delivery due to transport pipe
3808 * being overflown with data and/or it can recover on its own before
3809 * next scan request is submitted.
3811 spin_lock_bh(&ar->data_lock);
3812 if (ar->scan.state != ATH10K_SCAN_IDLE)
3813 __ath10k_scan_finish(ar);
3814 spin_unlock_bh(&ar->data_lock);
3819 static void ath10k_scan_abort(struct ath10k *ar)
3823 lockdep_assert_held(&ar->conf_mutex);
3825 spin_lock_bh(&ar->data_lock);
3827 switch (ar->scan.state) {
3828 case ATH10K_SCAN_IDLE:
3829 /* This can happen if timeout worker kicked in and called
3830 * abortion while scan completion was being processed.
3833 case ATH10K_SCAN_STARTING:
3834 case ATH10K_SCAN_ABORTING:
3835 ath10k_warn(ar, "refusing scan abortion due to invalid scan state: %s (%d)\n",
3836 ath10k_scan_state_str(ar->scan.state),
3839 case ATH10K_SCAN_RUNNING:
3840 ar->scan.state = ATH10K_SCAN_ABORTING;
3841 spin_unlock_bh(&ar->data_lock);
3843 ret = ath10k_scan_stop(ar);
3845 ath10k_warn(ar, "failed to abort scan: %d\n", ret);
3847 spin_lock_bh(&ar->data_lock);
3851 spin_unlock_bh(&ar->data_lock);
3854 void ath10k_scan_timeout_work(struct work_struct *work)
3856 struct ath10k *ar = container_of(work, struct ath10k,
3859 mutex_lock(&ar->conf_mutex);
3860 ath10k_scan_abort(ar);
3861 mutex_unlock(&ar->conf_mutex);
3864 static int ath10k_start_scan(struct ath10k *ar,
3865 const struct wmi_start_scan_arg *arg)
3869 lockdep_assert_held(&ar->conf_mutex);
3871 ret = ath10k_wmi_start_scan(ar, arg);
3875 ret = wait_for_completion_timeout(&ar->scan.started, 1*HZ);
3877 ret = ath10k_scan_stop(ar);
3879 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
3884 /* If we failed to start the scan, return error code at
3885 * this point. This is probably due to some issue in the
3886 * firmware, but no need to wedge the driver due to that...
3888 spin_lock_bh(&ar->data_lock);
3889 if (ar->scan.state == ATH10K_SCAN_IDLE) {
3890 spin_unlock_bh(&ar->data_lock);
3893 spin_unlock_bh(&ar->data_lock);
3898 /**********************/
3899 /* mac80211 callbacks */
3900 /**********************/
3902 static void ath10k_mac_op_tx(struct ieee80211_hw *hw,
3903 struct ieee80211_tx_control *control,
3904 struct sk_buff *skb)
3906 struct ath10k *ar = hw->priv;
3907 struct ath10k_htt *htt = &ar->htt;
3908 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
3909 struct ieee80211_vif *vif = info->control.vif;
3910 struct ieee80211_sta *sta = control->sta;
3911 struct ieee80211_hdr *hdr = (void *)skb->data;
3912 enum ath10k_hw_txrx_mode txmode;
3913 enum ath10k_mac_tx_path txpath;
3919 ath10k_mac_tx_h_fill_cb(ar, vif, skb);
3921 txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb);
3922 txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode);
3923 is_htt = (txpath == ATH10K_MAC_TX_HTT ||
3924 txpath == ATH10K_MAC_TX_HTT_MGMT);
3927 spin_lock_bh(&ar->htt.tx_lock);
3929 is_mgmt = ieee80211_is_mgmt(hdr->frame_control);
3930 is_presp = ieee80211_is_probe_resp(hdr->frame_control);
3932 ret = ath10k_htt_tx_inc_pending(htt, is_mgmt, is_presp);
3934 ath10k_warn(ar, "failed to increase tx pending count: %d, dropping\n",
3936 spin_unlock_bh(&ar->htt.tx_lock);
3937 ieee80211_free_txskb(ar->hw, skb);
3941 spin_unlock_bh(&ar->htt.tx_lock);
3944 ret = ath10k_mac_tx(ar, vif, sta, txmode, txpath, skb);
3946 ath10k_warn(ar, "failed to transmit frame: %d\n", ret);
3948 spin_lock_bh(&ar->htt.tx_lock);
3949 ath10k_htt_tx_dec_pending(htt, is_mgmt);
3950 spin_unlock_bh(&ar->htt.tx_lock);
3956 static void ath10k_mac_op_wake_tx_queue(struct ieee80211_hw *hw,
3957 struct ieee80211_txq *txq)
3959 struct ath10k *ar = hw->priv;
3960 struct ath10k_txq *artxq = (void *)txq->drv_priv;
3962 if (ath10k_mac_tx_can_push(hw, txq)) {
3963 spin_lock_bh(&ar->txqs_lock);
3964 if (list_empty(&artxq->list))
3965 list_add_tail(&artxq->list, &ar->txqs);
3966 spin_unlock_bh(&ar->txqs_lock);
3968 tasklet_schedule(&ar->htt.txrx_compl_task);
3972 /* Must not be called with conf_mutex held as workers can use that also. */
3973 void ath10k_drain_tx(struct ath10k *ar)
3975 /* make sure rcu-protected mac80211 tx path itself is drained */
3978 ath10k_offchan_tx_purge(ar);
3979 ath10k_mgmt_over_wmi_tx_purge(ar);
3981 cancel_work_sync(&ar->offchan_tx_work);
3982 cancel_work_sync(&ar->wmi_mgmt_tx_work);
3985 void ath10k_halt(struct ath10k *ar)
3987 struct ath10k_vif *arvif;
3989 lockdep_assert_held(&ar->conf_mutex);
3991 clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
3992 ar->filter_flags = 0;
3993 ar->monitor = false;
3994 ar->monitor_arvif = NULL;
3996 if (ar->monitor_started)
3997 ath10k_monitor_stop(ar);
3999 ar->monitor_started = false;
4002 ath10k_scan_finish(ar);
4003 ath10k_peer_cleanup_all(ar);
4004 ath10k_core_stop(ar);
4005 ath10k_hif_power_down(ar);
4007 spin_lock_bh(&ar->data_lock);
4008 list_for_each_entry(arvif, &ar->arvifs, list)
4009 ath10k_mac_vif_beacon_cleanup(arvif);
4010 spin_unlock_bh(&ar->data_lock);
4013 static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
4015 struct ath10k *ar = hw->priv;
4017 mutex_lock(&ar->conf_mutex);
4019 *tx_ant = ar->cfg_tx_chainmask;
4020 *rx_ant = ar->cfg_rx_chainmask;
4022 mutex_unlock(&ar->conf_mutex);
4027 static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg)
4029 /* It is not clear that allowing gaps in chainmask
4030 * is helpful. Probably it will not do what user
4031 * is hoping for, so warn in that case.
4033 if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0)
4036 ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n",
4040 static int ath10k_mac_get_vht_cap_bf_sts(struct ath10k *ar)
4042 int nsts = ar->vht_cap_info;
4044 nsts &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
4045 nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
4047 /* If firmware does not deliver to host number of space-time
4048 * streams supported, assume it support up to 4 BF STS and return
4049 * the value for VHT CAP: nsts-1)
4057 static int ath10k_mac_get_vht_cap_bf_sound_dim(struct ath10k *ar)
4059 int sound_dim = ar->vht_cap_info;
4061 sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
4062 sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
4064 /* If the sounding dimension is not advertised by the firmware,
4065 * let's use a default value of 1
4073 static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
4075 struct ieee80211_sta_vht_cap vht_cap = {0};
4080 vht_cap.vht_supported = 1;
4081 vht_cap.cap = ar->vht_cap_info;
4083 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
4084 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
4085 val = ath10k_mac_get_vht_cap_bf_sts(ar);
4086 val <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
4087 val &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
4092 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
4093 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) {
4094 val = ath10k_mac_get_vht_cap_bf_sound_dim(ar);
4095 val <<= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
4096 val &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
4102 for (i = 0; i < 8; i++) {
4103 if ((i < ar->num_rf_chains) && (ar->cfg_tx_chainmask & BIT(i)))
4104 mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << (i * 2);
4106 mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
4109 vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
4110 vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
4115 static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
4118 struct ieee80211_sta_ht_cap ht_cap = {0};
4120 if (!(ar->ht_cap_info & WMI_HT_CAP_ENABLED))
4123 ht_cap.ht_supported = 1;
4124 ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
4125 ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8;
4126 ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
4127 ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
4129 WLAN_HT_CAP_SM_PS_DISABLED << IEEE80211_HT_CAP_SM_PS_SHIFT;
4131 if (ar->ht_cap_info & WMI_HT_CAP_HT20_SGI)
4132 ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
4134 if (ar->ht_cap_info & WMI_HT_CAP_HT40_SGI)
4135 ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
4137 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS) {
4140 smps = WLAN_HT_CAP_SM_PS_DYNAMIC;
4141 smps <<= IEEE80211_HT_CAP_SM_PS_SHIFT;
4146 if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC)
4147 ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
4149 if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) {
4152 stbc = ar->ht_cap_info;
4153 stbc &= WMI_HT_CAP_RX_STBC;
4154 stbc >>= WMI_HT_CAP_RX_STBC_MASK_SHIFT;
4155 stbc <<= IEEE80211_HT_CAP_RX_STBC_SHIFT;
4156 stbc &= IEEE80211_HT_CAP_RX_STBC;
4161 if (ar->ht_cap_info & WMI_HT_CAP_LDPC)
4162 ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
4164 if (ar->ht_cap_info & WMI_HT_CAP_L_SIG_TXOP_PROT)
4165 ht_cap.cap |= IEEE80211_HT_CAP_LSIG_TXOP_PROT;
4167 /* max AMSDU is implicitly taken from vht_cap_info */
4168 if (ar->vht_cap_info & WMI_VHT_CAP_MAX_MPDU_LEN_MASK)
4169 ht_cap.cap |= IEEE80211_HT_CAP_MAX_AMSDU;
4171 for (i = 0; i < ar->num_rf_chains; i++) {
4172 if (ar->cfg_rx_chainmask & BIT(i))
4173 ht_cap.mcs.rx_mask[i] = 0xFF;
4176 ht_cap.mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED;
4181 static void ath10k_mac_setup_ht_vht_cap(struct ath10k *ar)
4183 struct ieee80211_supported_band *band;
4184 struct ieee80211_sta_vht_cap vht_cap;
4185 struct ieee80211_sta_ht_cap ht_cap;
4187 ht_cap = ath10k_get_ht_cap(ar);
4188 vht_cap = ath10k_create_vht_cap(ar);
4190 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
4191 band = &ar->mac.sbands[IEEE80211_BAND_2GHZ];
4192 band->ht_cap = ht_cap;
4194 /* Enable the VHT support at 2.4 GHz */
4195 band->vht_cap = vht_cap;
4197 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
4198 band = &ar->mac.sbands[IEEE80211_BAND_5GHZ];
4199 band->ht_cap = ht_cap;
4200 band->vht_cap = vht_cap;
4204 static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant)
4208 lockdep_assert_held(&ar->conf_mutex);
4210 ath10k_check_chain_mask(ar, tx_ant, "tx");
4211 ath10k_check_chain_mask(ar, rx_ant, "rx");
4213 ar->cfg_tx_chainmask = tx_ant;
4214 ar->cfg_rx_chainmask = rx_ant;
4216 if ((ar->state != ATH10K_STATE_ON) &&
4217 (ar->state != ATH10K_STATE_RESTARTED))
4220 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->tx_chain_mask,
4223 ath10k_warn(ar, "failed to set tx-chainmask: %d, req 0x%x\n",
4228 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->rx_chain_mask,
4231 ath10k_warn(ar, "failed to set rx-chainmask: %d, req 0x%x\n",
4236 /* Reload HT/VHT capability */
4237 ath10k_mac_setup_ht_vht_cap(ar);
4242 static int ath10k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
4244 struct ath10k *ar = hw->priv;
4247 mutex_lock(&ar->conf_mutex);
4248 ret = __ath10k_set_antenna(ar, tx_ant, rx_ant);
4249 mutex_unlock(&ar->conf_mutex);
4253 static int ath10k_start(struct ieee80211_hw *hw)
4255 struct ath10k *ar = hw->priv;
4260 * This makes sense only when restarting hw. It is harmless to call
4261 * uncoditionally. This is necessary to make sure no HTT/WMI tx
4262 * commands will be submitted while restarting.
4264 ath10k_drain_tx(ar);
4266 mutex_lock(&ar->conf_mutex);
4268 switch (ar->state) {
4269 case ATH10K_STATE_OFF:
4270 ar->state = ATH10K_STATE_ON;
4272 case ATH10K_STATE_RESTARTING:
4274 ar->state = ATH10K_STATE_RESTARTED;
4276 case ATH10K_STATE_ON:
4277 case ATH10K_STATE_RESTARTED:
4278 case ATH10K_STATE_WEDGED:
4282 case ATH10K_STATE_UTF:
4287 ret = ath10k_hif_power_up(ar);
4289 ath10k_err(ar, "Could not init hif: %d\n", ret);
4293 ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
4295 ath10k_err(ar, "Could not init core: %d\n", ret);
4296 goto err_power_down;
4299 param = ar->wmi.pdev_param->pmf_qos;
4300 ret = ath10k_wmi_pdev_set_param(ar, param, 1);
4302 ath10k_warn(ar, "failed to enable PMF QOS: %d\n", ret);
4306 param = ar->wmi.pdev_param->dynamic_bw;
4307 ret = ath10k_wmi_pdev_set_param(ar, param, 1);
4309 ath10k_warn(ar, "failed to enable dynamic BW: %d\n", ret);
4313 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
4314 ret = ath10k_wmi_adaptive_qcs(ar, true);
4316 ath10k_warn(ar, "failed to enable adaptive qcs: %d\n",
4322 if (test_bit(WMI_SERVICE_BURST, ar->wmi.svc_map)) {
4323 param = ar->wmi.pdev_param->burst_enable;
4324 ret = ath10k_wmi_pdev_set_param(ar, param, 0);
4326 ath10k_warn(ar, "failed to disable burst: %d\n", ret);
4331 __ath10k_set_antenna(ar, ar->cfg_tx_chainmask, ar->cfg_rx_chainmask);
4334 * By default FW set ARP frames ac to voice (6). In that case ARP
4335 * exchange is not working properly for UAPSD enabled AP. ARP requests
4336 * which arrives with access category 0 are processed by network stack
4337 * and send back with access category 0, but FW changes access category
4338 * to 6. Set ARP frames access category to best effort (0) solves
4342 param = ar->wmi.pdev_param->arp_ac_override;
4343 ret = ath10k_wmi_pdev_set_param(ar, param, 0);
4345 ath10k_warn(ar, "failed to set arp ac override parameter: %d\n",
4350 if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_ADAPTIVE_CCA,
4352 ret = ath10k_wmi_pdev_enable_adaptive_cca(ar, 1,
4353 WMI_CCA_DETECT_LEVEL_AUTO,
4354 WMI_CCA_DETECT_MARGIN_AUTO);
4356 ath10k_warn(ar, "failed to enable adaptive cca: %d\n",
4362 param = ar->wmi.pdev_param->ani_enable;
4363 ret = ath10k_wmi_pdev_set_param(ar, param, 1);
4365 ath10k_warn(ar, "failed to enable ani by default: %d\n",
4370 ar->ani_enabled = true;
4372 if (test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map)) {
4373 param = ar->wmi.pdev_param->peer_stats_update_period;
4374 ret = ath10k_wmi_pdev_set_param(ar, param,
4375 PEER_DEFAULT_STATS_UPDATE_PERIOD);
4378 "failed to set peer stats period : %d\n",
4384 ar->num_started_vdevs = 0;
4385 ath10k_regd_update(ar);
4387 ath10k_spectral_start(ar);
4388 ath10k_thermal_set_throttling(ar);
4390 mutex_unlock(&ar->conf_mutex);
4394 ath10k_core_stop(ar);
4397 ath10k_hif_power_down(ar);
4400 ar->state = ATH10K_STATE_OFF;
4403 mutex_unlock(&ar->conf_mutex);
4407 static void ath10k_stop(struct ieee80211_hw *hw)
4409 struct ath10k *ar = hw->priv;
4411 ath10k_drain_tx(ar);
4413 mutex_lock(&ar->conf_mutex);
4414 if (ar->state != ATH10K_STATE_OFF) {
4416 ar->state = ATH10K_STATE_OFF;
4418 mutex_unlock(&ar->conf_mutex);
4420 cancel_delayed_work_sync(&ar->scan.timeout);
4421 cancel_work_sync(&ar->restart_work);
4424 static int ath10k_config_ps(struct ath10k *ar)
4426 struct ath10k_vif *arvif;
4429 lockdep_assert_held(&ar->conf_mutex);
4431 list_for_each_entry(arvif, &ar->arvifs, list) {
4432 ret = ath10k_mac_vif_setup_ps(arvif);
4434 ath10k_warn(ar, "failed to setup powersave: %d\n", ret);
4442 static int ath10k_mac_txpower_setup(struct ath10k *ar, int txpower)
4447 lockdep_assert_held(&ar->conf_mutex);
4449 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac txpower %d\n", txpower);
4451 param = ar->wmi.pdev_param->txpower_limit2g;
4452 ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
4454 ath10k_warn(ar, "failed to set 2g txpower %d: %d\n",
4459 param = ar->wmi.pdev_param->txpower_limit5g;
4460 ret = ath10k_wmi_pdev_set_param(ar, param, txpower * 2);
4462 ath10k_warn(ar, "failed to set 5g txpower %d: %d\n",
4470 static int ath10k_mac_txpower_recalc(struct ath10k *ar)
4472 struct ath10k_vif *arvif;
4473 int ret, txpower = -1;
4475 lockdep_assert_held(&ar->conf_mutex);
4477 list_for_each_entry(arvif, &ar->arvifs, list) {
4478 WARN_ON(arvif->txpower < 0);
4481 txpower = arvif->txpower;
4483 txpower = min(txpower, arvif->txpower);
4486 if (WARN_ON(txpower == -1))
4489 ret = ath10k_mac_txpower_setup(ar, txpower);
4491 ath10k_warn(ar, "failed to setup tx power %d: %d\n",
4499 static int ath10k_config(struct ieee80211_hw *hw, u32 changed)
4501 struct ath10k *ar = hw->priv;
4502 struct ieee80211_conf *conf = &hw->conf;
4505 mutex_lock(&ar->conf_mutex);
4507 if (changed & IEEE80211_CONF_CHANGE_PS)
4508 ath10k_config_ps(ar);
4510 if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
4511 ar->monitor = conf->flags & IEEE80211_CONF_MONITOR;
4512 ret = ath10k_monitor_recalc(ar);
4514 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4517 mutex_unlock(&ar->conf_mutex);
4521 static u32 get_nss_from_chainmask(u16 chain_mask)
4523 if ((chain_mask & 0xf) == 0xf)
4525 else if ((chain_mask & 0x7) == 0x7)
4527 else if ((chain_mask & 0x3) == 0x3)
4532 static int ath10k_mac_set_txbf_conf(struct ath10k_vif *arvif)
4535 struct ath10k *ar = arvif->ar;
4539 if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_BEFORE_ASSOC)
4542 nsts = ath10k_mac_get_vht_cap_bf_sts(ar);
4543 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
4544 IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE))
4545 value |= SM(nsts, WMI_TXBF_STS_CAP_OFFSET);
4547 sound_dim = ath10k_mac_get_vht_cap_bf_sound_dim(ar);
4548 if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
4549 IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE))
4550 value |= SM(sound_dim, WMI_BF_SOUND_DIM_OFFSET);
4555 if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
4556 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER;
4558 if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
4559 value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFER |
4560 WMI_VDEV_PARAM_TXBF_SU_TX_BFER);
4562 if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE)
4563 value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE;
4565 if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
4566 value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFEE |
4567 WMI_VDEV_PARAM_TXBF_SU_TX_BFEE);
4569 return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
4570 ar->wmi.vdev_param->txbf, value);
4575 * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE,
4576 * because we will send mgmt frames without CCK. This requirement
4577 * for P2P_FIND/GO_NEG should be handled by checking CCK flag
4580 static int ath10k_add_interface(struct ieee80211_hw *hw,
4581 struct ieee80211_vif *vif)
4583 struct ath10k *ar = hw->priv;
4584 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4585 struct ath10k_peer *peer;
4586 enum wmi_sta_powersave_param param;
4593 vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
4595 mutex_lock(&ar->conf_mutex);
4597 memset(arvif, 0, sizeof(*arvif));
4598 ath10k_mac_txq_init(vif->txq);
4603 INIT_LIST_HEAD(&arvif->list);
4604 INIT_WORK(&arvif->ap_csa_work, ath10k_mac_vif_ap_csa_work);
4605 INIT_DELAYED_WORK(&arvif->connection_loss_work,
4606 ath10k_mac_vif_sta_connection_loss_work);
4608 for (i = 0; i < ARRAY_SIZE(arvif->bitrate_mask.control); i++) {
4609 arvif->bitrate_mask.control[i].legacy = 0xffffffff;
4610 memset(arvif->bitrate_mask.control[i].ht_mcs, 0xff,
4611 sizeof(arvif->bitrate_mask.control[i].ht_mcs));
4612 memset(arvif->bitrate_mask.control[i].vht_mcs, 0xff,
4613 sizeof(arvif->bitrate_mask.control[i].vht_mcs));
4616 if (ar->num_peers >= ar->max_num_peers) {
4617 ath10k_warn(ar, "refusing vdev creation due to insufficient peer entry resources in firmware\n");
4622 if (ar->free_vdev_map == 0) {
4623 ath10k_warn(ar, "Free vdev map is empty, no more interfaces allowed.\n");
4627 bit = __ffs64(ar->free_vdev_map);
4629 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac create vdev %i map %llx\n",
4630 bit, ar->free_vdev_map);
4632 arvif->vdev_id = bit;
4633 arvif->vdev_subtype =
4634 ath10k_wmi_get_vdev_subtype(ar, WMI_VDEV_SUBTYPE_NONE);
4636 switch (vif->type) {
4637 case NL80211_IFTYPE_P2P_DEVICE:
4638 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4639 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
4640 (ar, WMI_VDEV_SUBTYPE_P2P_DEVICE);
4642 case NL80211_IFTYPE_UNSPECIFIED:
4643 case NL80211_IFTYPE_STATION:
4644 arvif->vdev_type = WMI_VDEV_TYPE_STA;
4646 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
4647 (ar, WMI_VDEV_SUBTYPE_P2P_CLIENT);
4649 case NL80211_IFTYPE_ADHOC:
4650 arvif->vdev_type = WMI_VDEV_TYPE_IBSS;
4652 case NL80211_IFTYPE_MESH_POINT:
4653 if (test_bit(WMI_SERVICE_MESH_11S, ar->wmi.svc_map)) {
4654 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
4655 (ar, WMI_VDEV_SUBTYPE_MESH_11S);
4656 } else if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
4658 ath10k_warn(ar, "must load driver with rawmode=1 to add mesh interfaces\n");
4661 arvif->vdev_type = WMI_VDEV_TYPE_AP;
4663 case NL80211_IFTYPE_AP:
4664 arvif->vdev_type = WMI_VDEV_TYPE_AP;
4667 arvif->vdev_subtype = ath10k_wmi_get_vdev_subtype
4668 (ar, WMI_VDEV_SUBTYPE_P2P_GO);
4670 case NL80211_IFTYPE_MONITOR:
4671 arvif->vdev_type = WMI_VDEV_TYPE_MONITOR;
4678 /* Using vdev_id as queue number will make it very easy to do per-vif
4679 * tx queue locking. This shouldn't wrap due to interface combinations
4680 * but do a modulo for correctness sake and prevent using offchannel tx
4681 * queues for regular vif tx.
4683 vif->cab_queue = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
4684 for (i = 0; i < ARRAY_SIZE(vif->hw_queue); i++)
4685 vif->hw_queue[i] = arvif->vdev_id % (IEEE80211_MAX_QUEUES - 1);
4687 /* Some firmware revisions don't wait for beacon tx completion before
4688 * sending another SWBA event. This could lead to hardware using old
4689 * (freed) beacon data in some cases, e.g. tx credit starvation
4690 * combined with missed TBTT. This is very very rare.
4692 * On non-IOMMU-enabled hosts this could be a possible security issue
4693 * because hw could beacon some random data on the air. On
4694 * IOMMU-enabled hosts DMAR faults would occur in most cases and target
4695 * device would crash.
4697 * Since there are no beacon tx completions (implicit nor explicit)
4698 * propagated to host the only workaround for this is to allocate a
4699 * DMA-coherent buffer for a lifetime of a vif and use it for all
4700 * beacon tx commands. Worst case for this approach is some beacons may
4701 * become corrupted, e.g. have garbled IEs or out-of-date TIM bitmap.
4703 if (vif->type == NL80211_IFTYPE_ADHOC ||
4704 vif->type == NL80211_IFTYPE_MESH_POINT ||
4705 vif->type == NL80211_IFTYPE_AP) {
4706 arvif->beacon_buf = dma_zalloc_coherent(ar->dev,
4707 IEEE80211_MAX_FRAME_LEN,
4708 &arvif->beacon_paddr,
4710 if (!arvif->beacon_buf) {
4712 ath10k_warn(ar, "failed to allocate beacon buffer: %d\n",
4717 if (test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags))
4718 arvif->nohwcrypt = true;
4720 if (arvif->nohwcrypt &&
4721 !test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
4722 ath10k_warn(ar, "cryptmode module param needed for sw crypto\n");
4726 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev create %d (add interface) type %d subtype %d bcnmode %s\n",
4727 arvif->vdev_id, arvif->vdev_type, arvif->vdev_subtype,
4728 arvif->beacon_buf ? "single-buf" : "per-skb");
4730 ret = ath10k_wmi_vdev_create(ar, arvif->vdev_id, arvif->vdev_type,
4731 arvif->vdev_subtype, vif->addr);
4733 ath10k_warn(ar, "failed to create WMI vdev %i: %d\n",
4734 arvif->vdev_id, ret);
4738 ar->free_vdev_map &= ~(1LL << arvif->vdev_id);
4739 list_add(&arvif->list, &ar->arvifs);
4741 /* It makes no sense to have firmware do keepalives. mac80211 already
4742 * takes care of this with idle connection polling.
4744 ret = ath10k_mac_vif_disable_keepalive(arvif);
4746 ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n",
4747 arvif->vdev_id, ret);
4748 goto err_vdev_delete;
4751 arvif->def_wep_key_idx = -1;
4753 vdev_param = ar->wmi.vdev_param->tx_encap_type;
4754 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4755 ATH10K_HW_TXRX_NATIVE_WIFI);
4756 /* 10.X firmware does not support this VDEV parameter. Do not warn */
4757 if (ret && ret != -EOPNOTSUPP) {
4758 ath10k_warn(ar, "failed to set vdev %i TX encapsulation: %d\n",
4759 arvif->vdev_id, ret);
4760 goto err_vdev_delete;
4763 if (ar->cfg_tx_chainmask) {
4764 u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask);
4766 vdev_param = ar->wmi.vdev_param->nss;
4767 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
4770 ath10k_warn(ar, "failed to set vdev %i chainmask 0x%x, nss %i: %d\n",
4771 arvif->vdev_id, ar->cfg_tx_chainmask, nss,
4773 goto err_vdev_delete;
4777 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4778 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4779 ret = ath10k_peer_create(ar, vif, NULL, arvif->vdev_id,
4780 vif->addr, WMI_PEER_TYPE_DEFAULT);
4782 ath10k_warn(ar, "failed to create vdev %i peer for AP/IBSS: %d\n",
4783 arvif->vdev_id, ret);
4784 goto err_vdev_delete;
4787 spin_lock_bh(&ar->data_lock);
4789 peer = ath10k_peer_find(ar, arvif->vdev_id, vif->addr);
4791 ath10k_warn(ar, "failed to lookup peer %pM on vdev %i\n",
4792 vif->addr, arvif->vdev_id);
4793 spin_unlock_bh(&ar->data_lock);
4795 goto err_peer_delete;
4798 arvif->peer_id = find_first_bit(peer->peer_ids,
4799 ATH10K_MAX_NUM_PEER_IDS);
4801 spin_unlock_bh(&ar->data_lock);
4803 arvif->peer_id = HTT_INVALID_PEERID;
4806 if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
4807 ret = ath10k_mac_set_kickout(arvif);
4809 ath10k_warn(ar, "failed to set vdev %i kickout parameters: %d\n",
4810 arvif->vdev_id, ret);
4811 goto err_peer_delete;
4815 if (arvif->vdev_type == WMI_VDEV_TYPE_STA) {
4816 param = WMI_STA_PS_PARAM_RX_WAKE_POLICY;
4817 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
4818 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
4821 ath10k_warn(ar, "failed to set vdev %i RX wake policy: %d\n",
4822 arvif->vdev_id, ret);
4823 goto err_peer_delete;
4826 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
4828 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
4829 arvif->vdev_id, ret);
4830 goto err_peer_delete;
4833 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
4835 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
4836 arvif->vdev_id, ret);
4837 goto err_peer_delete;
4841 ret = ath10k_mac_set_txbf_conf(arvif);
4843 ath10k_warn(ar, "failed to set txbf for vdev %d: %d\n",
4844 arvif->vdev_id, ret);
4845 goto err_peer_delete;
4848 ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold);
4850 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
4851 arvif->vdev_id, ret);
4852 goto err_peer_delete;
4855 arvif->txpower = vif->bss_conf.txpower;
4856 ret = ath10k_mac_txpower_recalc(ar);
4858 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
4859 goto err_peer_delete;
4862 if (vif->type == NL80211_IFTYPE_MONITOR) {
4863 ar->monitor_arvif = arvif;
4864 ret = ath10k_monitor_recalc(ar);
4866 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4867 goto err_peer_delete;
4871 spin_lock_bh(&ar->htt.tx_lock);
4873 ieee80211_wake_queue(ar->hw, arvif->vdev_id);
4874 spin_unlock_bh(&ar->htt.tx_lock);
4876 mutex_unlock(&ar->conf_mutex);
4880 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4881 arvif->vdev_type == WMI_VDEV_TYPE_IBSS)
4882 ath10k_wmi_peer_delete(ar, arvif->vdev_id, vif->addr);
4885 ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
4886 ar->free_vdev_map |= 1LL << arvif->vdev_id;
4887 list_del(&arvif->list);
4890 if (arvif->beacon_buf) {
4891 dma_free_coherent(ar->dev, IEEE80211_MAX_FRAME_LEN,
4892 arvif->beacon_buf, arvif->beacon_paddr);
4893 arvif->beacon_buf = NULL;
4896 mutex_unlock(&ar->conf_mutex);
4901 static void ath10k_mac_vif_tx_unlock_all(struct ath10k_vif *arvif)
4905 for (i = 0; i < BITS_PER_LONG; i++)
4906 ath10k_mac_vif_tx_unlock(arvif, i);
4909 static void ath10k_remove_interface(struct ieee80211_hw *hw,
4910 struct ieee80211_vif *vif)
4912 struct ath10k *ar = hw->priv;
4913 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
4914 struct ath10k_peer *peer;
4918 cancel_work_sync(&arvif->ap_csa_work);
4919 cancel_delayed_work_sync(&arvif->connection_loss_work);
4921 mutex_lock(&ar->conf_mutex);
4923 spin_lock_bh(&ar->data_lock);
4924 ath10k_mac_vif_beacon_cleanup(arvif);
4925 spin_unlock_bh(&ar->data_lock);
4927 ret = ath10k_spectral_vif_stop(arvif);
4929 ath10k_warn(ar, "failed to stop spectral for vdev %i: %d\n",
4930 arvif->vdev_id, ret);
4932 ar->free_vdev_map |= 1LL << arvif->vdev_id;
4933 list_del(&arvif->list);
4935 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4936 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4937 ret = ath10k_wmi_peer_delete(arvif->ar, arvif->vdev_id,
4940 ath10k_warn(ar, "failed to submit AP/IBSS self-peer removal on vdev %i: %d\n",
4941 arvif->vdev_id, ret);
4943 kfree(arvif->u.ap.noa_data);
4946 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %i delete (remove interface)\n",
4949 ret = ath10k_wmi_vdev_delete(ar, arvif->vdev_id);
4951 ath10k_warn(ar, "failed to delete WMI vdev %i: %d\n",
4952 arvif->vdev_id, ret);
4954 /* Some firmware revisions don't notify host about self-peer removal
4955 * until after associated vdev is deleted.
4957 if (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
4958 arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
4959 ret = ath10k_wait_for_peer_deleted(ar, arvif->vdev_id,
4962 ath10k_warn(ar, "failed to remove AP self-peer on vdev %i: %d\n",
4963 arvif->vdev_id, ret);
4965 spin_lock_bh(&ar->data_lock);
4967 spin_unlock_bh(&ar->data_lock);
4970 spin_lock_bh(&ar->data_lock);
4971 for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) {
4972 peer = ar->peer_map[i];
4976 if (peer->vif == vif) {
4977 ath10k_warn(ar, "found vif peer %pM entry on vdev %i after it was supposedly removed\n",
4978 vif->addr, arvif->vdev_id);
4982 spin_unlock_bh(&ar->data_lock);
4984 ath10k_peer_cleanup(ar, arvif->vdev_id);
4986 if (vif->type == NL80211_IFTYPE_MONITOR) {
4987 ar->monitor_arvif = NULL;
4988 ret = ath10k_monitor_recalc(ar);
4990 ath10k_warn(ar, "failed to recalc monitor: %d\n", ret);
4993 spin_lock_bh(&ar->htt.tx_lock);
4994 ath10k_mac_vif_tx_unlock_all(arvif);
4995 spin_unlock_bh(&ar->htt.tx_lock);
4997 ath10k_mac_txq_unref(ar, vif->txq);
4999 mutex_unlock(&ar->conf_mutex);
5003 * FIXME: Has to be verified.
5005 #define SUPPORTED_FILTERS \
5010 FIF_BCN_PRBRESP_PROMISC | \
5014 static void ath10k_configure_filter(struct ieee80211_hw *hw,
5015 unsigned int changed_flags,
5016 unsigned int *total_flags,
5019 struct ath10k *ar = hw->priv;
5022 mutex_lock(&ar->conf_mutex);
5024 changed_flags &= SUPPORTED_FILTERS;
5025 *total_flags &= SUPPORTED_FILTERS;
5026 ar->filter_flags = *total_flags;
5028 ret = ath10k_monitor_recalc(ar);
5030 ath10k_warn(ar, "failed to recalc montior: %d\n", ret);
5032 mutex_unlock(&ar->conf_mutex);
5035 static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
5036 struct ieee80211_vif *vif,
5037 struct ieee80211_bss_conf *info,
5040 struct ath10k *ar = hw->priv;
5041 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5043 u32 vdev_param, pdev_param, slottime, preamble;
5045 mutex_lock(&ar->conf_mutex);
5047 if (changed & BSS_CHANGED_IBSS)
5048 ath10k_control_ibss(arvif, info, vif->addr);
5050 if (changed & BSS_CHANGED_BEACON_INT) {
5051 arvif->beacon_interval = info->beacon_int;
5052 vdev_param = ar->wmi.vdev_param->beacon_interval;
5053 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5054 arvif->beacon_interval);
5055 ath10k_dbg(ar, ATH10K_DBG_MAC,
5056 "mac vdev %d beacon_interval %d\n",
5057 arvif->vdev_id, arvif->beacon_interval);
5060 ath10k_warn(ar, "failed to set beacon interval for vdev %d: %i\n",
5061 arvif->vdev_id, ret);
5064 if (changed & BSS_CHANGED_BEACON) {
5065 ath10k_dbg(ar, ATH10K_DBG_MAC,
5066 "vdev %d set beacon tx mode to staggered\n",
5069 pdev_param = ar->wmi.pdev_param->beacon_tx_mode;
5070 ret = ath10k_wmi_pdev_set_param(ar, pdev_param,
5071 WMI_BEACON_STAGGERED_MODE);
5073 ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n",
5074 arvif->vdev_id, ret);
5076 ret = ath10k_mac_setup_bcn_tmpl(arvif);
5078 ath10k_warn(ar, "failed to update beacon template: %d\n",
5081 if (ieee80211_vif_is_mesh(vif)) {
5082 /* mesh doesn't use SSID but firmware needs it */
5083 strncpy(arvif->u.ap.ssid, "mesh",
5084 sizeof(arvif->u.ap.ssid));
5085 arvif->u.ap.ssid_len = 4;
5089 if (changed & BSS_CHANGED_AP_PROBE_RESP) {
5090 ret = ath10k_mac_setup_prb_tmpl(arvif);
5092 ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n",
5093 arvif->vdev_id, ret);
5096 if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) {
5097 arvif->dtim_period = info->dtim_period;
5099 ath10k_dbg(ar, ATH10K_DBG_MAC,
5100 "mac vdev %d dtim_period %d\n",
5101 arvif->vdev_id, arvif->dtim_period);
5103 vdev_param = ar->wmi.vdev_param->dtim_period;
5104 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5105 arvif->dtim_period);
5107 ath10k_warn(ar, "failed to set dtim period for vdev %d: %i\n",
5108 arvif->vdev_id, ret);
5111 if (changed & BSS_CHANGED_SSID &&
5112 vif->type == NL80211_IFTYPE_AP) {
5113 arvif->u.ap.ssid_len = info->ssid_len;
5115 memcpy(arvif->u.ap.ssid, info->ssid, info->ssid_len);
5116 arvif->u.ap.hidden_ssid = info->hidden_ssid;
5119 if (changed & BSS_CHANGED_BSSID && !is_zero_ether_addr(info->bssid))
5120 ether_addr_copy(arvif->bssid, info->bssid);
5122 if (changed & BSS_CHANGED_BEACON_ENABLED)
5123 ath10k_control_beaconing(arvif, info);
5125 if (changed & BSS_CHANGED_ERP_CTS_PROT) {
5126 arvif->use_cts_prot = info->use_cts_prot;
5127 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d cts_prot %d\n",
5128 arvif->vdev_id, info->use_cts_prot);
5130 ret = ath10k_recalc_rtscts_prot(arvif);
5132 ath10k_warn(ar, "failed to recalculate rts/cts prot for vdev %d: %d\n",
5133 arvif->vdev_id, ret);
5135 vdev_param = ar->wmi.vdev_param->protection_mode;
5136 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5137 info->use_cts_prot ? 1 : 0);
5139 ath10k_warn(ar, "failed to set protection mode %d on vdev %i: %d\n",
5140 info->use_cts_prot, arvif->vdev_id, ret);
5143 if (changed & BSS_CHANGED_ERP_SLOT) {
5144 if (info->use_short_slot)
5145 slottime = WMI_VDEV_SLOT_TIME_SHORT; /* 9us */
5148 slottime = WMI_VDEV_SLOT_TIME_LONG; /* 20us */
5150 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d slot_time %d\n",
5151 arvif->vdev_id, slottime);
5153 vdev_param = ar->wmi.vdev_param->slot_time;
5154 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5157 ath10k_warn(ar, "failed to set erp slot for vdev %d: %i\n",
5158 arvif->vdev_id, ret);
5161 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
5162 if (info->use_short_preamble)
5163 preamble = WMI_VDEV_PREAMBLE_SHORT;
5165 preamble = WMI_VDEV_PREAMBLE_LONG;
5167 ath10k_dbg(ar, ATH10K_DBG_MAC,
5168 "mac vdev %d preamble %dn",
5169 arvif->vdev_id, preamble);
5171 vdev_param = ar->wmi.vdev_param->preamble;
5172 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5175 ath10k_warn(ar, "failed to set preamble for vdev %d: %i\n",
5176 arvif->vdev_id, ret);
5179 if (changed & BSS_CHANGED_ASSOC) {
5181 /* Workaround: Make sure monitor vdev is not running
5182 * when associating to prevent some firmware revisions
5183 * (e.g. 10.1 and 10.2) from crashing.
5185 if (ar->monitor_started)
5186 ath10k_monitor_stop(ar);
5187 ath10k_bss_assoc(hw, vif, info);
5188 ath10k_monitor_recalc(ar);
5190 ath10k_bss_disassoc(hw, vif);
5194 if (changed & BSS_CHANGED_TXPOWER) {
5195 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev_id %i txpower %d\n",
5196 arvif->vdev_id, info->txpower);
5198 arvif->txpower = info->txpower;
5199 ret = ath10k_mac_txpower_recalc(ar);
5201 ath10k_warn(ar, "failed to recalc tx power: %d\n", ret);
5204 if (changed & BSS_CHANGED_PS) {
5205 arvif->ps = vif->bss_conf.ps;
5207 ret = ath10k_config_ps(ar);
5209 ath10k_warn(ar, "failed to setup ps on vdev %i: %d\n",
5210 arvif->vdev_id, ret);
5213 mutex_unlock(&ar->conf_mutex);
5216 static int ath10k_hw_scan(struct ieee80211_hw *hw,
5217 struct ieee80211_vif *vif,
5218 struct ieee80211_scan_request *hw_req)
5220 struct ath10k *ar = hw->priv;
5221 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5222 struct cfg80211_scan_request *req = &hw_req->req;
5223 struct wmi_start_scan_arg arg;
5227 mutex_lock(&ar->conf_mutex);
5229 spin_lock_bh(&ar->data_lock);
5230 switch (ar->scan.state) {
5231 case ATH10K_SCAN_IDLE:
5232 reinit_completion(&ar->scan.started);
5233 reinit_completion(&ar->scan.completed);
5234 ar->scan.state = ATH10K_SCAN_STARTING;
5235 ar->scan.is_roc = false;
5236 ar->scan.vdev_id = arvif->vdev_id;
5239 case ATH10K_SCAN_STARTING:
5240 case ATH10K_SCAN_RUNNING:
5241 case ATH10K_SCAN_ABORTING:
5245 spin_unlock_bh(&ar->data_lock);
5250 memset(&arg, 0, sizeof(arg));
5251 ath10k_wmi_start_scan_init(ar, &arg);
5252 arg.vdev_id = arvif->vdev_id;
5253 arg.scan_id = ATH10K_SCAN_ID;
5256 arg.ie_len = req->ie_len;
5257 memcpy(arg.ie, req->ie, arg.ie_len);
5261 arg.n_ssids = req->n_ssids;
5262 for (i = 0; i < arg.n_ssids; i++) {
5263 arg.ssids[i].len = req->ssids[i].ssid_len;
5264 arg.ssids[i].ssid = req->ssids[i].ssid;
5267 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
5270 if (req->n_channels) {
5271 arg.n_channels = req->n_channels;
5272 for (i = 0; i < arg.n_channels; i++)
5273 arg.channels[i] = req->channels[i]->center_freq;
5276 ret = ath10k_start_scan(ar, &arg);
5278 ath10k_warn(ar, "failed to start hw scan: %d\n", ret);
5279 spin_lock_bh(&ar->data_lock);
5280 ar->scan.state = ATH10K_SCAN_IDLE;
5281 spin_unlock_bh(&ar->data_lock);
5284 /* Add a 200ms margin to account for event/command processing */
5285 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
5286 msecs_to_jiffies(arg.max_scan_time +
5290 mutex_unlock(&ar->conf_mutex);
5294 static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw,
5295 struct ieee80211_vif *vif)
5297 struct ath10k *ar = hw->priv;
5299 mutex_lock(&ar->conf_mutex);
5300 ath10k_scan_abort(ar);
5301 mutex_unlock(&ar->conf_mutex);
5303 cancel_delayed_work_sync(&ar->scan.timeout);
5306 static void ath10k_set_key_h_def_keyidx(struct ath10k *ar,
5307 struct ath10k_vif *arvif,
5308 enum set_key_cmd cmd,
5309 struct ieee80211_key_conf *key)
5311 u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid;
5314 /* 10.1 firmware branch requires default key index to be set to group
5315 * key index after installing it. Otherwise FW/HW Txes corrupted
5316 * frames with multi-vif APs. This is not required for main firmware
5317 * branch (e.g. 636).
5319 * This is also needed for 636 fw for IBSS-RSN to work more reliably.
5321 * FIXME: It remains unknown if this is required for multi-vif STA
5322 * interfaces on 10.1.
5325 if (arvif->vdev_type != WMI_VDEV_TYPE_AP &&
5326 arvif->vdev_type != WMI_VDEV_TYPE_IBSS)
5329 if (key->cipher == WLAN_CIPHER_SUITE_WEP40)
5332 if (key->cipher == WLAN_CIPHER_SUITE_WEP104)
5335 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
5341 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
5344 ath10k_warn(ar, "failed to set vdev %i group key as default key: %d\n",
5345 arvif->vdev_id, ret);
5348 static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
5349 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
5350 struct ieee80211_key_conf *key)
5352 struct ath10k *ar = hw->priv;
5353 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5354 struct ath10k_peer *peer;
5355 const u8 *peer_addr;
5356 bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
5357 key->cipher == WLAN_CIPHER_SUITE_WEP104;
5363 /* this one needs to be done in software */
5364 if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
5367 if (arvif->nohwcrypt)
5370 if (key->keyidx > WMI_MAX_KEY_INDEX)
5373 mutex_lock(&ar->conf_mutex);
5376 peer_addr = sta->addr;
5377 else if (arvif->vdev_type == WMI_VDEV_TYPE_STA)
5378 peer_addr = vif->bss_conf.bssid;
5380 peer_addr = vif->addr;
5382 key->hw_key_idx = key->keyidx;
5386 arvif->wep_keys[key->keyidx] = key;
5388 arvif->wep_keys[key->keyidx] = NULL;
5391 /* the peer should not disappear in mid-way (unless FW goes awry) since
5392 * we already hold conf_mutex. we just make sure its there now. */
5393 spin_lock_bh(&ar->data_lock);
5394 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
5395 spin_unlock_bh(&ar->data_lock);
5398 if (cmd == SET_KEY) {
5399 ath10k_warn(ar, "failed to install key for non-existent peer %pM\n",
5404 /* if the peer doesn't exist there is no key to disable
5410 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
5411 flags |= WMI_KEY_PAIRWISE;
5413 flags |= WMI_KEY_GROUP;
5416 if (cmd == DISABLE_KEY)
5417 ath10k_clear_vdev_key(arvif, key);
5419 /* When WEP keys are uploaded it's possible that there are
5420 * stations associated already (e.g. when merging) without any
5421 * keys. Static WEP needs an explicit per-peer key upload.
5423 if (vif->type == NL80211_IFTYPE_ADHOC &&
5425 ath10k_mac_vif_update_wep_key(arvif, key);
5427 /* 802.1x never sets the def_wep_key_idx so each set_key()
5428 * call changes default tx key.
5430 * Static WEP sets def_wep_key_idx via .set_default_unicast_key
5431 * after first set_key().
5433 if (cmd == SET_KEY && arvif->def_wep_key_idx == -1)
5434 flags |= WMI_KEY_TX_USAGE;
5437 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags);
5440 ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n",
5441 arvif->vdev_id, peer_addr, ret);
5445 /* mac80211 sets static WEP keys as groupwise while firmware requires
5446 * them to be installed twice as both pairwise and groupwise.
5448 if (is_wep && !sta && vif->type == NL80211_IFTYPE_STATION) {
5450 flags2 &= ~WMI_KEY_GROUP;
5451 flags2 |= WMI_KEY_PAIRWISE;
5453 ret = ath10k_install_key(arvif, key, cmd, peer_addr, flags2);
5456 ath10k_warn(ar, "failed to install (ucast) key for vdev %i peer %pM: %d\n",
5457 arvif->vdev_id, peer_addr, ret);
5458 ret2 = ath10k_install_key(arvif, key, DISABLE_KEY,
5462 ath10k_warn(ar, "failed to disable (mcast) key for vdev %i peer %pM: %d\n",
5463 arvif->vdev_id, peer_addr, ret2);
5469 ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key);
5471 spin_lock_bh(&ar->data_lock);
5472 peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
5473 if (peer && cmd == SET_KEY)
5474 peer->keys[key->keyidx] = key;
5475 else if (peer && cmd == DISABLE_KEY)
5476 peer->keys[key->keyidx] = NULL;
5477 else if (peer == NULL)
5478 /* impossible unless FW goes crazy */
5479 ath10k_warn(ar, "Peer %pM disappeared!\n", peer_addr);
5480 spin_unlock_bh(&ar->data_lock);
5483 mutex_unlock(&ar->conf_mutex);
5487 static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw,
5488 struct ieee80211_vif *vif,
5491 struct ath10k *ar = hw->priv;
5492 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5495 mutex_lock(&arvif->ar->conf_mutex);
5497 if (arvif->ar->state != ATH10K_STATE_ON)
5500 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n",
5501 arvif->vdev_id, keyidx);
5503 ret = ath10k_wmi_vdev_set_param(arvif->ar,
5505 arvif->ar->wmi.vdev_param->def_keyid,
5509 ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n",
5515 arvif->def_wep_key_idx = keyidx;
5518 mutex_unlock(&arvif->ar->conf_mutex);
5521 static void ath10k_sta_rc_update_wk(struct work_struct *wk)
5524 struct ath10k_vif *arvif;
5525 struct ath10k_sta *arsta;
5526 struct ieee80211_sta *sta;
5527 struct cfg80211_chan_def def;
5528 enum ieee80211_band band;
5529 const u8 *ht_mcs_mask;
5530 const u16 *vht_mcs_mask;
5531 u32 changed, bw, nss, smps;
5534 arsta = container_of(wk, struct ath10k_sta, update_wk);
5535 sta = container_of((void *)arsta, struct ieee80211_sta, drv_priv);
5536 arvif = arsta->arvif;
5539 if (WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def)))
5542 band = def.chan->band;
5543 ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs;
5544 vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs;
5546 spin_lock_bh(&ar->data_lock);
5548 changed = arsta->changed;
5555 spin_unlock_bh(&ar->data_lock);
5557 mutex_lock(&ar->conf_mutex);
5559 nss = max_t(u32, 1, nss);
5560 nss = min(nss, max(ath10k_mac_max_ht_nss(ht_mcs_mask),
5561 ath10k_mac_max_vht_nss(vht_mcs_mask)));
5563 if (changed & IEEE80211_RC_BW_CHANGED) {
5564 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d\n",
5567 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5568 WMI_PEER_CHAN_WIDTH, bw);
5570 ath10k_warn(ar, "failed to update STA %pM peer bw %d: %d\n",
5571 sta->addr, bw, err);
5574 if (changed & IEEE80211_RC_NSS_CHANGED) {
5575 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM nss %d\n",
5578 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5581 ath10k_warn(ar, "failed to update STA %pM nss %d: %d\n",
5582 sta->addr, nss, err);
5585 if (changed & IEEE80211_RC_SMPS_CHANGED) {
5586 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM smps %d\n",
5589 err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr,
5590 WMI_PEER_SMPS_STATE, smps);
5592 ath10k_warn(ar, "failed to update STA %pM smps %d: %d\n",
5593 sta->addr, smps, err);
5596 if (changed & IEEE80211_RC_SUPP_RATES_CHANGED ||
5597 changed & IEEE80211_RC_NSS_CHANGED) {
5598 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM supp rates/nss\n",
5601 err = ath10k_station_assoc(ar, arvif->vif, sta, true);
5603 ath10k_warn(ar, "failed to reassociate station: %pM\n",
5607 mutex_unlock(&ar->conf_mutex);
5610 static int ath10k_mac_inc_num_stations(struct ath10k_vif *arvif,
5611 struct ieee80211_sta *sta)
5613 struct ath10k *ar = arvif->ar;
5615 lockdep_assert_held(&ar->conf_mutex);
5617 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
5620 if (ar->num_stations >= ar->max_num_stations)
5628 static void ath10k_mac_dec_num_stations(struct ath10k_vif *arvif,
5629 struct ieee80211_sta *sta)
5631 struct ath10k *ar = arvif->ar;
5633 lockdep_assert_held(&ar->conf_mutex);
5635 if (arvif->vdev_type == WMI_VDEV_TYPE_STA && !sta->tdls)
5641 struct ath10k_mac_tdls_iter_data {
5642 u32 num_tdls_stations;
5643 struct ieee80211_vif *curr_vif;
5646 static void ath10k_mac_tdls_vif_stations_count_iter(void *data,
5647 struct ieee80211_sta *sta)
5649 struct ath10k_mac_tdls_iter_data *iter_data = data;
5650 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5651 struct ieee80211_vif *sta_vif = arsta->arvif->vif;
5653 if (sta->tdls && sta_vif == iter_data->curr_vif)
5654 iter_data->num_tdls_stations++;
5657 static int ath10k_mac_tdls_vif_stations_count(struct ieee80211_hw *hw,
5658 struct ieee80211_vif *vif)
5660 struct ath10k_mac_tdls_iter_data data = {};
5662 data.curr_vif = vif;
5664 ieee80211_iterate_stations_atomic(hw,
5665 ath10k_mac_tdls_vif_stations_count_iter,
5667 return data.num_tdls_stations;
5670 static void ath10k_mac_tdls_vifs_count_iter(void *data, u8 *mac,
5671 struct ieee80211_vif *vif)
5673 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5674 int *num_tdls_vifs = data;
5676 if (vif->type != NL80211_IFTYPE_STATION)
5679 if (ath10k_mac_tdls_vif_stations_count(arvif->ar->hw, vif) > 0)
5683 static int ath10k_mac_tdls_vifs_count(struct ieee80211_hw *hw)
5685 int num_tdls_vifs = 0;
5687 ieee80211_iterate_active_interfaces_atomic(hw,
5688 IEEE80211_IFACE_ITER_NORMAL,
5689 ath10k_mac_tdls_vifs_count_iter,
5691 return num_tdls_vifs;
5694 static int ath10k_sta_state(struct ieee80211_hw *hw,
5695 struct ieee80211_vif *vif,
5696 struct ieee80211_sta *sta,
5697 enum ieee80211_sta_state old_state,
5698 enum ieee80211_sta_state new_state)
5700 struct ath10k *ar = hw->priv;
5701 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5702 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
5703 struct ath10k_peer *peer;
5707 if (old_state == IEEE80211_STA_NOTEXIST &&
5708 new_state == IEEE80211_STA_NONE) {
5709 memset(arsta, 0, sizeof(*arsta));
5710 arsta->arvif = arvif;
5711 INIT_WORK(&arsta->update_wk, ath10k_sta_rc_update_wk);
5713 for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
5714 ath10k_mac_txq_init(sta->txq[i]);
5717 /* cancel must be done outside the mutex to avoid deadlock */
5718 if ((old_state == IEEE80211_STA_NONE &&
5719 new_state == IEEE80211_STA_NOTEXIST))
5720 cancel_work_sync(&arsta->update_wk);
5722 mutex_lock(&ar->conf_mutex);
5724 if (old_state == IEEE80211_STA_NOTEXIST &&
5725 new_state == IEEE80211_STA_NONE) {
5727 * New station addition.
5729 enum wmi_peer_type peer_type = WMI_PEER_TYPE_DEFAULT;
5730 u32 num_tdls_stations;
5733 ath10k_dbg(ar, ATH10K_DBG_MAC,
5734 "mac vdev %d peer create %pM (new sta) sta %d / %d peer %d / %d\n",
5735 arvif->vdev_id, sta->addr,
5736 ar->num_stations + 1, ar->max_num_stations,
5737 ar->num_peers + 1, ar->max_num_peers);
5739 ret = ath10k_mac_inc_num_stations(arvif, sta);
5741 ath10k_warn(ar, "refusing to associate station: too many connected already (%d)\n",
5742 ar->max_num_stations);
5747 peer_type = WMI_PEER_TYPE_TDLS;
5749 ret = ath10k_peer_create(ar, vif, sta, arvif->vdev_id,
5750 sta->addr, peer_type);
5752 ath10k_warn(ar, "failed to add peer %pM for vdev %d when adding a new sta: %i\n",
5753 sta->addr, arvif->vdev_id, ret);
5754 ath10k_mac_dec_num_stations(arvif, sta);
5758 spin_lock_bh(&ar->data_lock);
5760 peer = ath10k_peer_find(ar, arvif->vdev_id, sta->addr);
5762 ath10k_warn(ar, "failed to lookup peer %pM on vdev %i\n",
5763 vif->addr, arvif->vdev_id);
5764 spin_unlock_bh(&ar->data_lock);
5765 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5766 ath10k_mac_dec_num_stations(arvif, sta);
5771 arsta->peer_id = find_first_bit(peer->peer_ids,
5772 ATH10K_MAX_NUM_PEER_IDS);
5774 spin_unlock_bh(&ar->data_lock);
5779 num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif);
5780 num_tdls_vifs = ath10k_mac_tdls_vifs_count(hw);
5782 if (num_tdls_vifs >= ar->max_num_tdls_vdevs &&
5783 num_tdls_stations == 0) {
5784 ath10k_warn(ar, "vdev %i exceeded maximum number of tdls vdevs %i\n",
5785 arvif->vdev_id, ar->max_num_tdls_vdevs);
5786 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5787 ath10k_mac_dec_num_stations(arvif, sta);
5792 if (num_tdls_stations == 0) {
5793 /* This is the first tdls peer in current vif */
5794 enum wmi_tdls_state state = WMI_TDLS_ENABLE_ACTIVE;
5796 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5799 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
5800 arvif->vdev_id, ret);
5801 ath10k_peer_delete(ar, arvif->vdev_id,
5803 ath10k_mac_dec_num_stations(arvif, sta);
5808 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5809 WMI_TDLS_PEER_STATE_PEERING);
5812 "failed to update tdls peer %pM for vdev %d when adding a new sta: %i\n",
5813 sta->addr, arvif->vdev_id, ret);
5814 ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5815 ath10k_mac_dec_num_stations(arvif, sta);
5817 if (num_tdls_stations != 0)
5819 ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5822 } else if ((old_state == IEEE80211_STA_NONE &&
5823 new_state == IEEE80211_STA_NOTEXIST)) {
5825 * Existing station deletion.
5827 ath10k_dbg(ar, ATH10K_DBG_MAC,
5828 "mac vdev %d peer delete %pM (sta gone)\n",
5829 arvif->vdev_id, sta->addr);
5831 ret = ath10k_peer_delete(ar, arvif->vdev_id, sta->addr);
5833 ath10k_warn(ar, "failed to delete peer %pM for vdev %d: %i\n",
5834 sta->addr, arvif->vdev_id, ret);
5836 ath10k_mac_dec_num_stations(arvif, sta);
5838 spin_lock_bh(&ar->data_lock);
5839 for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) {
5840 peer = ar->peer_map[i];
5844 if (peer->sta == sta) {
5845 ath10k_warn(ar, "found sta peer %pM entry on vdev %i after it was supposedly removed\n",
5846 sta->addr, arvif->vdev_id);
5850 spin_unlock_bh(&ar->data_lock);
5852 for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
5853 ath10k_mac_txq_unref(ar, sta->txq[i]);
5858 if (ath10k_mac_tdls_vif_stations_count(hw, vif))
5861 /* This was the last tdls peer in current vif */
5862 ret = ath10k_wmi_update_fw_tdls_state(ar, arvif->vdev_id,
5865 ath10k_warn(ar, "failed to update fw tdls state on vdev %i: %i\n",
5866 arvif->vdev_id, ret);
5868 } else if (old_state == IEEE80211_STA_AUTH &&
5869 new_state == IEEE80211_STA_ASSOC &&
5870 (vif->type == NL80211_IFTYPE_AP ||
5871 vif->type == NL80211_IFTYPE_MESH_POINT ||
5872 vif->type == NL80211_IFTYPE_ADHOC)) {
5876 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM associated\n",
5879 ret = ath10k_station_assoc(ar, vif, sta, false);
5881 ath10k_warn(ar, "failed to associate station %pM for vdev %i: %i\n",
5882 sta->addr, arvif->vdev_id, ret);
5883 } else if (old_state == IEEE80211_STA_ASSOC &&
5884 new_state == IEEE80211_STA_AUTHORIZED &&
5887 * Tdls station authorized.
5889 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac tdls sta %pM authorized\n",
5892 ret = ath10k_station_assoc(ar, vif, sta, false);
5894 ath10k_warn(ar, "failed to associate tdls station %pM for vdev %i: %i\n",
5895 sta->addr, arvif->vdev_id, ret);
5899 ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id, sta,
5900 WMI_TDLS_PEER_STATE_CONNECTED);
5902 ath10k_warn(ar, "failed to update tdls peer %pM for vdev %i: %i\n",
5903 sta->addr, arvif->vdev_id, ret);
5904 } else if (old_state == IEEE80211_STA_ASSOC &&
5905 new_state == IEEE80211_STA_AUTH &&
5906 (vif->type == NL80211_IFTYPE_AP ||
5907 vif->type == NL80211_IFTYPE_MESH_POINT ||
5908 vif->type == NL80211_IFTYPE_ADHOC)) {
5912 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac sta %pM disassociated\n",
5915 ret = ath10k_station_disassoc(ar, vif, sta);
5917 ath10k_warn(ar, "failed to disassociate station: %pM vdev %i: %i\n",
5918 sta->addr, arvif->vdev_id, ret);
5921 mutex_unlock(&ar->conf_mutex);
5925 static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif,
5926 u16 ac, bool enable)
5928 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
5929 struct wmi_sta_uapsd_auto_trig_arg arg = {};
5930 u32 prio = 0, acc = 0;
5934 lockdep_assert_held(&ar->conf_mutex);
5936 if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
5940 case IEEE80211_AC_VO:
5941 value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |
5942 WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;
5946 case IEEE80211_AC_VI:
5947 value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |
5948 WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;
5952 case IEEE80211_AC_BE:
5953 value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |
5954 WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;
5958 case IEEE80211_AC_BK:
5959 value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |
5960 WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;
5967 arvif->u.sta.uapsd |= value;
5969 arvif->u.sta.uapsd &= ~value;
5971 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5972 WMI_STA_PS_PARAM_UAPSD,
5973 arvif->u.sta.uapsd);
5975 ath10k_warn(ar, "failed to set uapsd params: %d\n", ret);
5979 if (arvif->u.sta.uapsd)
5980 value = WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD;
5982 value = WMI_STA_PS_RX_WAKE_POLICY_WAKE;
5984 ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id,
5985 WMI_STA_PS_PARAM_RX_WAKE_POLICY,
5988 ath10k_warn(ar, "failed to set rx wake param: %d\n", ret);
5990 ret = ath10k_mac_vif_recalc_ps_wake_threshold(arvif);
5992 ath10k_warn(ar, "failed to recalc ps wake threshold on vdev %i: %d\n",
5993 arvif->vdev_id, ret);
5997 ret = ath10k_mac_vif_recalc_ps_poll_count(arvif);
5999 ath10k_warn(ar, "failed to recalc ps poll count on vdev %i: %d\n",
6000 arvif->vdev_id, ret);
6004 if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) ||
6005 test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) {
6006 /* Only userspace can make an educated decision when to send
6007 * trigger frame. The following effectively disables u-UAPSD
6008 * autotrigger in firmware (which is enabled by default
6009 * provided the autotrigger service is available).
6013 arg.user_priority = prio;
6014 arg.service_interval = 0;
6015 arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
6016 arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
6018 ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id,
6019 arvif->bssid, &arg, 1);
6021 ath10k_warn(ar, "failed to set uapsd auto trigger %d\n",
6031 static int ath10k_conf_tx(struct ieee80211_hw *hw,
6032 struct ieee80211_vif *vif, u16 ac,
6033 const struct ieee80211_tx_queue_params *params)
6035 struct ath10k *ar = hw->priv;
6036 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6037 struct wmi_wmm_params_arg *p = NULL;
6040 mutex_lock(&ar->conf_mutex);
6043 case IEEE80211_AC_VO:
6044 p = &arvif->wmm_params.ac_vo;
6046 case IEEE80211_AC_VI:
6047 p = &arvif->wmm_params.ac_vi;
6049 case IEEE80211_AC_BE:
6050 p = &arvif->wmm_params.ac_be;
6052 case IEEE80211_AC_BK:
6053 p = &arvif->wmm_params.ac_bk;
6062 p->cwmin = params->cw_min;
6063 p->cwmax = params->cw_max;
6064 p->aifs = params->aifs;
6067 * The channel time duration programmed in the HW is in absolute
6068 * microseconds, while mac80211 gives the txop in units of
6071 p->txop = params->txop * 32;
6073 if (ar->wmi.ops->gen_vdev_wmm_conf) {
6074 ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id,
6075 &arvif->wmm_params);
6077 ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n",
6078 arvif->vdev_id, ret);
6082 /* This won't work well with multi-interface cases but it's
6083 * better than nothing.
6085 ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params);
6087 ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
6092 ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd);
6094 ath10k_warn(ar, "failed to set sta uapsd: %d\n", ret);
6097 mutex_unlock(&ar->conf_mutex);
6101 #define ATH10K_ROC_TIMEOUT_HZ (2*HZ)
6103 static int ath10k_remain_on_channel(struct ieee80211_hw *hw,
6104 struct ieee80211_vif *vif,
6105 struct ieee80211_channel *chan,
6107 enum ieee80211_roc_type type)
6109 struct ath10k *ar = hw->priv;
6110 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6111 struct wmi_start_scan_arg arg;
6115 mutex_lock(&ar->conf_mutex);
6117 spin_lock_bh(&ar->data_lock);
6118 switch (ar->scan.state) {
6119 case ATH10K_SCAN_IDLE:
6120 reinit_completion(&ar->scan.started);
6121 reinit_completion(&ar->scan.completed);
6122 reinit_completion(&ar->scan.on_channel);
6123 ar->scan.state = ATH10K_SCAN_STARTING;
6124 ar->scan.is_roc = true;
6125 ar->scan.vdev_id = arvif->vdev_id;
6126 ar->scan.roc_freq = chan->center_freq;
6127 ar->scan.roc_notify = true;
6130 case ATH10K_SCAN_STARTING:
6131 case ATH10K_SCAN_RUNNING:
6132 case ATH10K_SCAN_ABORTING:
6136 spin_unlock_bh(&ar->data_lock);
6141 scan_time_msec = ar->hw->wiphy->max_remain_on_channel_duration * 2;
6143 memset(&arg, 0, sizeof(arg));
6144 ath10k_wmi_start_scan_init(ar, &arg);
6145 arg.vdev_id = arvif->vdev_id;
6146 arg.scan_id = ATH10K_SCAN_ID;
6148 arg.channels[0] = chan->center_freq;
6149 arg.dwell_time_active = scan_time_msec;
6150 arg.dwell_time_passive = scan_time_msec;
6151 arg.max_scan_time = scan_time_msec;
6152 arg.scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
6153 arg.scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ;
6154 arg.burst_duration_ms = duration;
6156 ret = ath10k_start_scan(ar, &arg);
6158 ath10k_warn(ar, "failed to start roc scan: %d\n", ret);
6159 spin_lock_bh(&ar->data_lock);
6160 ar->scan.state = ATH10K_SCAN_IDLE;
6161 spin_unlock_bh(&ar->data_lock);
6165 ret = wait_for_completion_timeout(&ar->scan.on_channel, 3*HZ);
6167 ath10k_warn(ar, "failed to switch to channel for roc scan\n");
6169 ret = ath10k_scan_stop(ar);
6171 ath10k_warn(ar, "failed to stop scan: %d\n", ret);
6177 ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout,
6178 msecs_to_jiffies(duration));
6182 mutex_unlock(&ar->conf_mutex);
6186 static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw)
6188 struct ath10k *ar = hw->priv;
6190 mutex_lock(&ar->conf_mutex);
6192 spin_lock_bh(&ar->data_lock);
6193 ar->scan.roc_notify = false;
6194 spin_unlock_bh(&ar->data_lock);
6196 ath10k_scan_abort(ar);
6198 mutex_unlock(&ar->conf_mutex);
6200 cancel_delayed_work_sync(&ar->scan.timeout);
6206 * Both RTS and Fragmentation threshold are interface-specific
6207 * in ath10k, but device-specific in mac80211.
6210 static int ath10k_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
6212 struct ath10k *ar = hw->priv;
6213 struct ath10k_vif *arvif;
6216 mutex_lock(&ar->conf_mutex);
6217 list_for_each_entry(arvif, &ar->arvifs, list) {
6218 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d rts threshold %d\n",
6219 arvif->vdev_id, value);
6221 ret = ath10k_mac_set_rts(arvif, value);
6223 ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n",
6224 arvif->vdev_id, ret);
6228 mutex_unlock(&ar->conf_mutex);
6233 static int ath10k_mac_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value)
6235 /* Even though there's a WMI enum for fragmentation threshold no known
6236 * firmware actually implements it. Moreover it is not possible to rely
6237 * frame fragmentation to mac80211 because firmware clears the "more
6238 * fragments" bit in frame control making it impossible for remote
6239 * devices to reassemble frames.
6241 * Hence implement a dummy callback just to say fragmentation isn't
6242 * supported. This effectively prevents mac80211 from doing frame
6243 * fragmentation in software.
6248 static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
6249 u32 queues, bool drop)
6251 struct ath10k *ar = hw->priv;
6255 /* mac80211 doesn't care if we really xmit queued frames or not
6256 * we'll collect those frames either way if we stop/delete vdevs */
6260 mutex_lock(&ar->conf_mutex);
6262 if (ar->state == ATH10K_STATE_WEDGED)
6265 time_left = wait_event_timeout(ar->htt.empty_tx_wq, ({
6268 spin_lock_bh(&ar->htt.tx_lock);
6269 empty = (ar->htt.num_pending_tx == 0);
6270 spin_unlock_bh(&ar->htt.tx_lock);
6272 skip = (ar->state == ATH10K_STATE_WEDGED) ||
6273 test_bit(ATH10K_FLAG_CRASH_FLUSH,
6277 }), ATH10K_FLUSH_TIMEOUT_HZ);
6279 if (time_left == 0 || skip)
6280 ath10k_warn(ar, "failed to flush transmit queue (skip %i ar-state %i): %ld\n",
6281 skip, ar->state, time_left);
6284 mutex_unlock(&ar->conf_mutex);
6287 /* TODO: Implement this function properly
6288 * For now it is needed to reply to Probe Requests in IBSS mode.
6289 * Propably we need this information from FW.
6291 static int ath10k_tx_last_beacon(struct ieee80211_hw *hw)
6296 static void ath10k_reconfig_complete(struct ieee80211_hw *hw,
6297 enum ieee80211_reconfig_type reconfig_type)
6299 struct ath10k *ar = hw->priv;
6301 if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)
6304 mutex_lock(&ar->conf_mutex);
6306 /* If device failed to restart it will be in a different state, e.g.
6307 * ATH10K_STATE_WEDGED */
6308 if (ar->state == ATH10K_STATE_RESTARTED) {
6309 ath10k_info(ar, "device successfully recovered\n");
6310 ar->state = ATH10K_STATE_ON;
6311 ieee80211_wake_queues(ar->hw);
6314 mutex_unlock(&ar->conf_mutex);
6317 static int ath10k_get_survey(struct ieee80211_hw *hw, int idx,
6318 struct survey_info *survey)
6320 struct ath10k *ar = hw->priv;
6321 struct ieee80211_supported_band *sband;
6322 struct survey_info *ar_survey = &ar->survey[idx];
6325 mutex_lock(&ar->conf_mutex);
6327 sband = hw->wiphy->bands[IEEE80211_BAND_2GHZ];
6328 if (sband && idx >= sband->n_channels) {
6329 idx -= sband->n_channels;
6334 sband = hw->wiphy->bands[IEEE80211_BAND_5GHZ];
6336 if (!sband || idx >= sband->n_channels) {
6341 spin_lock_bh(&ar->data_lock);
6342 memcpy(survey, ar_survey, sizeof(*survey));
6343 spin_unlock_bh(&ar->data_lock);
6345 survey->channel = &sband->channels[idx];
6347 if (ar->rx_channel == survey->channel)
6348 survey->filled |= SURVEY_INFO_IN_USE;
6351 mutex_unlock(&ar->conf_mutex);
6356 ath10k_mac_bitrate_mask_has_single_rate(struct ath10k *ar,
6357 enum ieee80211_band band,
6358 const struct cfg80211_bitrate_mask *mask)
6363 num_rates += hweight32(mask->control[band].legacy);
6365 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++)
6366 num_rates += hweight8(mask->control[band].ht_mcs[i]);
6368 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++)
6369 num_rates += hweight16(mask->control[band].vht_mcs[i]);
6371 return num_rates == 1;
6375 ath10k_mac_bitrate_mask_get_single_nss(struct ath10k *ar,
6376 enum ieee80211_band band,
6377 const struct cfg80211_bitrate_mask *mask,
6380 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
6381 u16 vht_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
6383 u8 vht_nss_mask = 0;
6386 if (mask->control[band].legacy)
6389 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
6390 if (mask->control[band].ht_mcs[i] == 0)
6392 else if (mask->control[band].ht_mcs[i] ==
6393 sband->ht_cap.mcs.rx_mask[i])
6394 ht_nss_mask |= BIT(i);
6399 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
6400 if (mask->control[band].vht_mcs[i] == 0)
6402 else if (mask->control[band].vht_mcs[i] ==
6403 ath10k_mac_get_max_vht_mcs_map(vht_mcs_map, i))
6404 vht_nss_mask |= BIT(i);
6409 if (ht_nss_mask != vht_nss_mask)
6412 if (ht_nss_mask == 0)
6415 if (BIT(fls(ht_nss_mask)) - 1 != ht_nss_mask)
6418 *nss = fls(ht_nss_mask);
6424 ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar,
6425 enum ieee80211_band band,
6426 const struct cfg80211_bitrate_mask *mask,
6429 struct ieee80211_supported_band *sband = &ar->mac.sbands[band];
6436 if (hweight32(mask->control[band].legacy) == 1) {
6437 rate_idx = ffs(mask->control[band].legacy) - 1;
6439 hw_rate = sband->bitrates[rate_idx].hw_value;
6440 bitrate = sband->bitrates[rate_idx].bitrate;
6442 if (ath10k_mac_bitrate_is_cck(bitrate))
6443 preamble = WMI_RATE_PREAMBLE_CCK;
6445 preamble = WMI_RATE_PREAMBLE_OFDM;
6448 *rate = preamble << 6 |
6455 for (i = 0; i < ARRAY_SIZE(mask->control[band].ht_mcs); i++) {
6456 if (hweight8(mask->control[band].ht_mcs[i]) == 1) {
6458 *rate = WMI_RATE_PREAMBLE_HT << 6 |
6460 (ffs(mask->control[band].ht_mcs[i]) - 1);
6466 for (i = 0; i < ARRAY_SIZE(mask->control[band].vht_mcs); i++) {
6467 if (hweight16(mask->control[band].vht_mcs[i]) == 1) {
6469 *rate = WMI_RATE_PREAMBLE_VHT << 6 |
6471 (ffs(mask->control[band].vht_mcs[i]) - 1);
6480 static int ath10k_mac_set_fixed_rate_params(struct ath10k_vif *arvif,
6481 u8 rate, u8 nss, u8 sgi, u8 ldpc)
6483 struct ath10k *ar = arvif->ar;
6487 lockdep_assert_held(&ar->conf_mutex);
6489 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac set fixed rate params vdev %i rate 0x%02hhx nss %hhu sgi %hhu\n",
6490 arvif->vdev_id, rate, nss, sgi);
6492 vdev_param = ar->wmi.vdev_param->fixed_rate;
6493 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, rate);
6495 ath10k_warn(ar, "failed to set fixed rate param 0x%02x: %d\n",
6500 vdev_param = ar->wmi.vdev_param->nss;
6501 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, nss);
6503 ath10k_warn(ar, "failed to set nss param %d: %d\n", nss, ret);
6507 vdev_param = ar->wmi.vdev_param->sgi;
6508 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, sgi);
6510 ath10k_warn(ar, "failed to set sgi param %d: %d\n", sgi, ret);
6514 vdev_param = ar->wmi.vdev_param->ldpc;
6515 ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param, ldpc);
6517 ath10k_warn(ar, "failed to set ldpc param %d: %d\n", ldpc, ret);
6525 ath10k_mac_can_set_bitrate_mask(struct ath10k *ar,
6526 enum ieee80211_band band,
6527 const struct cfg80211_bitrate_mask *mask)
6532 /* Due to firmware limitation in WMI_PEER_ASSOC_CMDID it is impossible
6533 * to express all VHT MCS rate masks. Effectively only the following
6534 * ranges can be used: none, 0-7, 0-8 and 0-9.
6536 for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
6537 vht_mcs = mask->control[band].vht_mcs[i];
6546 ath10k_warn(ar, "refusing bitrate mask with missing 0-7 VHT MCS rates\n");
6554 static void ath10k_mac_set_bitrate_mask_iter(void *data,
6555 struct ieee80211_sta *sta)
6557 struct ath10k_vif *arvif = data;
6558 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
6559 struct ath10k *ar = arvif->ar;
6561 if (arsta->arvif != arvif)
6564 spin_lock_bh(&ar->data_lock);
6565 arsta->changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
6566 spin_unlock_bh(&ar->data_lock);
6568 ieee80211_queue_work(ar->hw, &arsta->update_wk);
6571 static int ath10k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw,
6572 struct ieee80211_vif *vif,
6573 const struct cfg80211_bitrate_mask *mask)
6575 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6576 struct cfg80211_chan_def def;
6577 struct ath10k *ar = arvif->ar;
6578 enum ieee80211_band band;
6579 const u8 *ht_mcs_mask;
6580 const u16 *vht_mcs_mask;
6588 if (ath10k_mac_vif_chan(vif, &def))
6591 band = def.chan->band;
6592 ht_mcs_mask = mask->control[band].ht_mcs;
6593 vht_mcs_mask = mask->control[band].vht_mcs;
6594 ldpc = !!(ar->ht_cap_info & WMI_HT_CAP_LDPC);
6596 sgi = mask->control[band].gi;
6597 if (sgi == NL80211_TXRATE_FORCE_LGI)
6600 if (ath10k_mac_bitrate_mask_has_single_rate(ar, band, mask)) {
6601 ret = ath10k_mac_bitrate_mask_get_single_rate(ar, band, mask,
6604 ath10k_warn(ar, "failed to get single rate for vdev %i: %d\n",
6605 arvif->vdev_id, ret);
6608 } else if (ath10k_mac_bitrate_mask_get_single_nss(ar, band, mask,
6610 rate = WMI_FIXED_RATE_NONE;
6613 rate = WMI_FIXED_RATE_NONE;
6614 nss = min(ar->num_rf_chains,
6615 max(ath10k_mac_max_ht_nss(ht_mcs_mask),
6616 ath10k_mac_max_vht_nss(vht_mcs_mask)));
6618 if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask))
6621 mutex_lock(&ar->conf_mutex);
6623 arvif->bitrate_mask = *mask;
6624 ieee80211_iterate_stations_atomic(ar->hw,
6625 ath10k_mac_set_bitrate_mask_iter,
6628 mutex_unlock(&ar->conf_mutex);
6631 mutex_lock(&ar->conf_mutex);
6633 ret = ath10k_mac_set_fixed_rate_params(arvif, rate, nss, sgi, ldpc);
6635 ath10k_warn(ar, "failed to set fixed rate params on vdev %i: %d\n",
6636 arvif->vdev_id, ret);
6641 mutex_unlock(&ar->conf_mutex);
6646 static void ath10k_sta_rc_update(struct ieee80211_hw *hw,
6647 struct ieee80211_vif *vif,
6648 struct ieee80211_sta *sta,
6651 struct ath10k *ar = hw->priv;
6652 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
6655 spin_lock_bh(&ar->data_lock);
6657 ath10k_dbg(ar, ATH10K_DBG_MAC,
6658 "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n",
6659 sta->addr, changed, sta->bandwidth, sta->rx_nss,
6662 if (changed & IEEE80211_RC_BW_CHANGED) {
6663 bw = WMI_PEER_CHWIDTH_20MHZ;
6665 switch (sta->bandwidth) {
6666 case IEEE80211_STA_RX_BW_20:
6667 bw = WMI_PEER_CHWIDTH_20MHZ;
6669 case IEEE80211_STA_RX_BW_40:
6670 bw = WMI_PEER_CHWIDTH_40MHZ;
6672 case IEEE80211_STA_RX_BW_80:
6673 bw = WMI_PEER_CHWIDTH_80MHZ;
6675 case IEEE80211_STA_RX_BW_160:
6676 ath10k_warn(ar, "Invalid bandwidth %d in rc update for %pM\n",
6677 sta->bandwidth, sta->addr);
6678 bw = WMI_PEER_CHWIDTH_20MHZ;
6685 if (changed & IEEE80211_RC_NSS_CHANGED)
6686 arsta->nss = sta->rx_nss;
6688 if (changed & IEEE80211_RC_SMPS_CHANGED) {
6689 smps = WMI_PEER_SMPS_PS_NONE;
6691 switch (sta->smps_mode) {
6692 case IEEE80211_SMPS_AUTOMATIC:
6693 case IEEE80211_SMPS_OFF:
6694 smps = WMI_PEER_SMPS_PS_NONE;
6696 case IEEE80211_SMPS_STATIC:
6697 smps = WMI_PEER_SMPS_STATIC;
6699 case IEEE80211_SMPS_DYNAMIC:
6700 smps = WMI_PEER_SMPS_DYNAMIC;
6702 case IEEE80211_SMPS_NUM_MODES:
6703 ath10k_warn(ar, "Invalid smps %d in sta rc update for %pM\n",
6704 sta->smps_mode, sta->addr);
6705 smps = WMI_PEER_SMPS_PS_NONE;
6712 arsta->changed |= changed;
6714 spin_unlock_bh(&ar->data_lock);
6716 ieee80211_queue_work(hw, &arsta->update_wk);
6719 static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
6722 * FIXME: Return 0 for time being. Need to figure out whether FW
6723 * has the API to fetch 64-bit local TSF
6729 static int ath10k_ampdu_action(struct ieee80211_hw *hw,
6730 struct ieee80211_vif *vif,
6731 struct ieee80211_ampdu_params *params)
6733 struct ath10k *ar = hw->priv;
6734 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
6735 struct ieee80211_sta *sta = params->sta;
6736 enum ieee80211_ampdu_mlme_action action = params->action;
6737 u16 tid = params->tid;
6739 ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ampdu vdev_id %i sta %pM tid %hu action %d\n",
6740 arvif->vdev_id, sta->addr, tid, action);
6743 case IEEE80211_AMPDU_RX_START:
6744 case IEEE80211_AMPDU_RX_STOP:
6745 /* HTT AddBa/DelBa events trigger mac80211 Rx BA session
6746 * creation/removal. Do we need to verify this?
6749 case IEEE80211_AMPDU_TX_START:
6750 case IEEE80211_AMPDU_TX_STOP_CONT:
6751 case IEEE80211_AMPDU_TX_STOP_FLUSH:
6752 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
6753 case IEEE80211_AMPDU_TX_OPERATIONAL:
6754 /* Firmware offloads Tx aggregation entirely so deny mac80211
6755 * Tx aggregation requests.
6764 ath10k_mac_update_rx_channel(struct ath10k *ar,
6765 struct ieee80211_chanctx_conf *ctx,
6766 struct ieee80211_vif_chanctx_switch *vifs,
6769 struct cfg80211_chan_def *def = NULL;
6771 /* Both locks are required because ar->rx_channel is modified. This
6772 * allows readers to hold either lock.
6774 lockdep_assert_held(&ar->conf_mutex);
6775 lockdep_assert_held(&ar->data_lock);
6777 WARN_ON(ctx && vifs);
6778 WARN_ON(vifs && n_vifs != 1);
6780 /* FIXME: Sort of an optimization and a workaround. Peers and vifs are
6781 * on a linked list now. Doing a lookup peer -> vif -> chanctx for each
6782 * ppdu on Rx may reduce performance on low-end systems. It should be
6783 * possible to make tables/hashmaps to speed the lookup up (be vary of
6784 * cpu data cache lines though regarding sizes) but to keep the initial
6785 * implementation simple and less intrusive fallback to the slow lookup
6786 * only for multi-channel cases. Single-channel cases will remain to
6787 * use the old channel derival and thus performance should not be
6791 if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) {
6792 ieee80211_iter_chan_contexts_atomic(ar->hw,
6793 ath10k_mac_get_any_chandef_iter,
6797 def = &vifs[0].new_ctx->def;
6799 ar->rx_channel = def->chan;
6800 } else if (ctx && ath10k_mac_num_chanctxs(ar) == 0) {
6801 ar->rx_channel = ctx->def.chan;
6803 ar->rx_channel = NULL;
6809 ath10k_mac_update_vif_chan(struct ath10k *ar,
6810 struct ieee80211_vif_chanctx_switch *vifs,
6813 struct ath10k_vif *arvif;
6817 lockdep_assert_held(&ar->conf_mutex);
6819 /* First stop monitor interface. Some FW versions crash if there's a
6820 * lone monitor interface.
6822 if (ar->monitor_started)
6823 ath10k_monitor_stop(ar);
6825 for (i = 0; i < n_vifs; i++) {
6826 arvif = ath10k_vif_to_arvif(vifs[i].vif);
6828 ath10k_dbg(ar, ATH10K_DBG_MAC,
6829 "mac chanctx switch vdev_id %i freq %hu->%hu width %d->%d\n",
6831 vifs[i].old_ctx->def.chan->center_freq,
6832 vifs[i].new_ctx->def.chan->center_freq,
6833 vifs[i].old_ctx->def.width,
6834 vifs[i].new_ctx->def.width);
6836 if (WARN_ON(!arvif->is_started))
6839 if (WARN_ON(!arvif->is_up))
6842 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
6844 ath10k_warn(ar, "failed to down vdev %d: %d\n",
6845 arvif->vdev_id, ret);
6850 /* All relevant vdevs are downed and associated channel resources
6851 * should be available for the channel switch now.
6854 spin_lock_bh(&ar->data_lock);
6855 ath10k_mac_update_rx_channel(ar, NULL, vifs, n_vifs);
6856 spin_unlock_bh(&ar->data_lock);
6858 for (i = 0; i < n_vifs; i++) {
6859 arvif = ath10k_vif_to_arvif(vifs[i].vif);
6861 if (WARN_ON(!arvif->is_started))
6864 if (WARN_ON(!arvif->is_up))
6867 ret = ath10k_mac_setup_bcn_tmpl(arvif);
6869 ath10k_warn(ar, "failed to update bcn tmpl during csa: %d\n",
6872 ret = ath10k_mac_setup_prb_tmpl(arvif);
6874 ath10k_warn(ar, "failed to update prb tmpl during csa: %d\n",
6877 ret = ath10k_vdev_restart(arvif, &vifs[i].new_ctx->def);
6879 ath10k_warn(ar, "failed to restart vdev %d: %d\n",
6880 arvif->vdev_id, ret);
6884 ret = ath10k_wmi_vdev_up(arvif->ar, arvif->vdev_id, arvif->aid,
6887 ath10k_warn(ar, "failed to bring vdev up %d: %d\n",
6888 arvif->vdev_id, ret);
6893 ath10k_monitor_recalc(ar);
6897 ath10k_mac_op_add_chanctx(struct ieee80211_hw *hw,
6898 struct ieee80211_chanctx_conf *ctx)
6900 struct ath10k *ar = hw->priv;
6902 ath10k_dbg(ar, ATH10K_DBG_MAC,
6903 "mac chanctx add freq %hu width %d ptr %p\n",
6904 ctx->def.chan->center_freq, ctx->def.width, ctx);
6906 mutex_lock(&ar->conf_mutex);
6908 spin_lock_bh(&ar->data_lock);
6909 ath10k_mac_update_rx_channel(ar, ctx, NULL, 0);
6910 spin_unlock_bh(&ar->data_lock);
6912 ath10k_recalc_radar_detection(ar);
6913 ath10k_monitor_recalc(ar);
6915 mutex_unlock(&ar->conf_mutex);
6921 ath10k_mac_op_remove_chanctx(struct ieee80211_hw *hw,
6922 struct ieee80211_chanctx_conf *ctx)
6924 struct ath10k *ar = hw->priv;
6926 ath10k_dbg(ar, ATH10K_DBG_MAC,
6927 "mac chanctx remove freq %hu width %d ptr %p\n",
6928 ctx->def.chan->center_freq, ctx->def.width, ctx);
6930 mutex_lock(&ar->conf_mutex);
6932 spin_lock_bh(&ar->data_lock);
6933 ath10k_mac_update_rx_channel(ar, NULL, NULL, 0);
6934 spin_unlock_bh(&ar->data_lock);
6936 ath10k_recalc_radar_detection(ar);
6937 ath10k_monitor_recalc(ar);
6939 mutex_unlock(&ar->conf_mutex);
6942 struct ath10k_mac_change_chanctx_arg {
6943 struct ieee80211_chanctx_conf *ctx;
6944 struct ieee80211_vif_chanctx_switch *vifs;
6950 ath10k_mac_change_chanctx_cnt_iter(void *data, u8 *mac,
6951 struct ieee80211_vif *vif)
6953 struct ath10k_mac_change_chanctx_arg *arg = data;
6955 if (rcu_access_pointer(vif->chanctx_conf) != arg->ctx)
6962 ath10k_mac_change_chanctx_fill_iter(void *data, u8 *mac,
6963 struct ieee80211_vif *vif)
6965 struct ath10k_mac_change_chanctx_arg *arg = data;
6966 struct ieee80211_chanctx_conf *ctx;
6968 ctx = rcu_access_pointer(vif->chanctx_conf);
6969 if (ctx != arg->ctx)
6972 if (WARN_ON(arg->next_vif == arg->n_vifs))
6975 arg->vifs[arg->next_vif].vif = vif;
6976 arg->vifs[arg->next_vif].old_ctx = ctx;
6977 arg->vifs[arg->next_vif].new_ctx = ctx;
6982 ath10k_mac_op_change_chanctx(struct ieee80211_hw *hw,
6983 struct ieee80211_chanctx_conf *ctx,
6986 struct ath10k *ar = hw->priv;
6987 struct ath10k_mac_change_chanctx_arg arg = { .ctx = ctx };
6989 mutex_lock(&ar->conf_mutex);
6991 ath10k_dbg(ar, ATH10K_DBG_MAC,
6992 "mac chanctx change freq %hu width %d ptr %p changed %x\n",
6993 ctx->def.chan->center_freq, ctx->def.width, ctx, changed);
6995 /* This shouldn't really happen because channel switching should use
6996 * switch_vif_chanctx().
6998 if (WARN_ON(changed & IEEE80211_CHANCTX_CHANGE_CHANNEL))
7001 if (changed & IEEE80211_CHANCTX_CHANGE_WIDTH) {
7002 ieee80211_iterate_active_interfaces_atomic(
7004 IEEE80211_IFACE_ITER_NORMAL,
7005 ath10k_mac_change_chanctx_cnt_iter,
7007 if (arg.n_vifs == 0)
7010 arg.vifs = kcalloc(arg.n_vifs, sizeof(arg.vifs[0]),
7015 ieee80211_iterate_active_interfaces_atomic(
7017 IEEE80211_IFACE_ITER_NORMAL,
7018 ath10k_mac_change_chanctx_fill_iter,
7020 ath10k_mac_update_vif_chan(ar, arg.vifs, arg.n_vifs);
7025 ath10k_recalc_radar_detection(ar);
7027 /* FIXME: How to configure Rx chains properly? */
7029 /* No other actions are actually necessary. Firmware maintains channel
7030 * definitions per vdev internally and there's no host-side channel
7031 * context abstraction to configure, e.g. channel width.
7035 mutex_unlock(&ar->conf_mutex);
7039 ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
7040 struct ieee80211_vif *vif,
7041 struct ieee80211_chanctx_conf *ctx)
7043 struct ath10k *ar = hw->priv;
7044 struct ath10k_vif *arvif = (void *)vif->drv_priv;
7047 mutex_lock(&ar->conf_mutex);
7049 ath10k_dbg(ar, ATH10K_DBG_MAC,
7050 "mac chanctx assign ptr %p vdev_id %i\n",
7051 ctx, arvif->vdev_id);
7053 if (WARN_ON(arvif->is_started)) {
7054 mutex_unlock(&ar->conf_mutex);
7058 ret = ath10k_vdev_start(arvif, &ctx->def);
7060 ath10k_warn(ar, "failed to start vdev %i addr %pM on freq %d: %d\n",
7061 arvif->vdev_id, vif->addr,
7062 ctx->def.chan->center_freq, ret);
7066 arvif->is_started = true;
7068 ret = ath10k_mac_vif_setup_ps(arvif);
7070 ath10k_warn(ar, "failed to update vdev %i ps: %d\n",
7071 arvif->vdev_id, ret);
7075 if (vif->type == NL80211_IFTYPE_MONITOR) {
7076 ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr);
7078 ath10k_warn(ar, "failed to up monitor vdev %i: %d\n",
7079 arvif->vdev_id, ret);
7083 arvif->is_up = true;
7086 mutex_unlock(&ar->conf_mutex);
7090 ath10k_vdev_stop(arvif);
7091 arvif->is_started = false;
7092 ath10k_mac_vif_setup_ps(arvif);
7095 mutex_unlock(&ar->conf_mutex);
7100 ath10k_mac_op_unassign_vif_chanctx(struct ieee80211_hw *hw,
7101 struct ieee80211_vif *vif,
7102 struct ieee80211_chanctx_conf *ctx)
7104 struct ath10k *ar = hw->priv;
7105 struct ath10k_vif *arvif = (void *)vif->drv_priv;
7108 mutex_lock(&ar->conf_mutex);
7110 ath10k_dbg(ar, ATH10K_DBG_MAC,
7111 "mac chanctx unassign ptr %p vdev_id %i\n",
7112 ctx, arvif->vdev_id);
7114 WARN_ON(!arvif->is_started);
7116 if (vif->type == NL80211_IFTYPE_MONITOR) {
7117 WARN_ON(!arvif->is_up);
7119 ret = ath10k_wmi_vdev_down(ar, arvif->vdev_id);
7121 ath10k_warn(ar, "failed to down monitor vdev %i: %d\n",
7122 arvif->vdev_id, ret);
7124 arvif->is_up = false;
7127 ret = ath10k_vdev_stop(arvif);
7129 ath10k_warn(ar, "failed to stop vdev %i: %d\n",
7130 arvif->vdev_id, ret);
7132 arvif->is_started = false;
7134 mutex_unlock(&ar->conf_mutex);
7138 ath10k_mac_op_switch_vif_chanctx(struct ieee80211_hw *hw,
7139 struct ieee80211_vif_chanctx_switch *vifs,
7141 enum ieee80211_chanctx_switch_mode mode)
7143 struct ath10k *ar = hw->priv;
7145 mutex_lock(&ar->conf_mutex);
7147 ath10k_dbg(ar, ATH10K_DBG_MAC,
7148 "mac chanctx switch n_vifs %d mode %d\n",
7150 ath10k_mac_update_vif_chan(ar, vifs, n_vifs);
7152 mutex_unlock(&ar->conf_mutex);
7156 static const struct ieee80211_ops ath10k_ops = {
7157 .tx = ath10k_mac_op_tx,
7158 .wake_tx_queue = ath10k_mac_op_wake_tx_queue,
7159 .start = ath10k_start,
7160 .stop = ath10k_stop,
7161 .config = ath10k_config,
7162 .add_interface = ath10k_add_interface,
7163 .remove_interface = ath10k_remove_interface,
7164 .configure_filter = ath10k_configure_filter,
7165 .bss_info_changed = ath10k_bss_info_changed,
7166 .hw_scan = ath10k_hw_scan,
7167 .cancel_hw_scan = ath10k_cancel_hw_scan,
7168 .set_key = ath10k_set_key,
7169 .set_default_unicast_key = ath10k_set_default_unicast_key,
7170 .sta_state = ath10k_sta_state,
7171 .conf_tx = ath10k_conf_tx,
7172 .remain_on_channel = ath10k_remain_on_channel,
7173 .cancel_remain_on_channel = ath10k_cancel_remain_on_channel,
7174 .set_rts_threshold = ath10k_set_rts_threshold,
7175 .set_frag_threshold = ath10k_mac_op_set_frag_threshold,
7176 .flush = ath10k_flush,
7177 .tx_last_beacon = ath10k_tx_last_beacon,
7178 .set_antenna = ath10k_set_antenna,
7179 .get_antenna = ath10k_get_antenna,
7180 .reconfig_complete = ath10k_reconfig_complete,
7181 .get_survey = ath10k_get_survey,
7182 .set_bitrate_mask = ath10k_mac_op_set_bitrate_mask,
7183 .sta_rc_update = ath10k_sta_rc_update,
7184 .get_tsf = ath10k_get_tsf,
7185 .ampdu_action = ath10k_ampdu_action,
7186 .get_et_sset_count = ath10k_debug_get_et_sset_count,
7187 .get_et_stats = ath10k_debug_get_et_stats,
7188 .get_et_strings = ath10k_debug_get_et_strings,
7189 .add_chanctx = ath10k_mac_op_add_chanctx,
7190 .remove_chanctx = ath10k_mac_op_remove_chanctx,
7191 .change_chanctx = ath10k_mac_op_change_chanctx,
7192 .assign_vif_chanctx = ath10k_mac_op_assign_vif_chanctx,
7193 .unassign_vif_chanctx = ath10k_mac_op_unassign_vif_chanctx,
7194 .switch_vif_chanctx = ath10k_mac_op_switch_vif_chanctx,
7196 CFG80211_TESTMODE_CMD(ath10k_tm_cmd)
7199 .suspend = ath10k_wow_op_suspend,
7200 .resume = ath10k_wow_op_resume,
7202 #ifdef CONFIG_MAC80211_DEBUGFS
7203 .sta_add_debugfs = ath10k_sta_add_debugfs,
7207 #define CHAN2G(_channel, _freq, _flags) { \
7208 .band = IEEE80211_BAND_2GHZ, \
7209 .hw_value = (_channel), \
7210 .center_freq = (_freq), \
7211 .flags = (_flags), \
7212 .max_antenna_gain = 0, \
7216 #define CHAN5G(_channel, _freq, _flags) { \
7217 .band = IEEE80211_BAND_5GHZ, \
7218 .hw_value = (_channel), \
7219 .center_freq = (_freq), \
7220 .flags = (_flags), \
7221 .max_antenna_gain = 0, \
7225 static const struct ieee80211_channel ath10k_2ghz_channels[] = {
7235 CHAN2G(10, 2457, 0),
7236 CHAN2G(11, 2462, 0),
7237 CHAN2G(12, 2467, 0),
7238 CHAN2G(13, 2472, 0),
7239 CHAN2G(14, 2484, 0),
7242 static const struct ieee80211_channel ath10k_5ghz_channels[] = {
7243 CHAN5G(36, 5180, 0),
7244 CHAN5G(40, 5200, 0),
7245 CHAN5G(44, 5220, 0),
7246 CHAN5G(48, 5240, 0),
7247 CHAN5G(52, 5260, 0),
7248 CHAN5G(56, 5280, 0),
7249 CHAN5G(60, 5300, 0),
7250 CHAN5G(64, 5320, 0),
7251 CHAN5G(100, 5500, 0),
7252 CHAN5G(104, 5520, 0),
7253 CHAN5G(108, 5540, 0),
7254 CHAN5G(112, 5560, 0),
7255 CHAN5G(116, 5580, 0),
7256 CHAN5G(120, 5600, 0),
7257 CHAN5G(124, 5620, 0),
7258 CHAN5G(128, 5640, 0),
7259 CHAN5G(132, 5660, 0),
7260 CHAN5G(136, 5680, 0),
7261 CHAN5G(140, 5700, 0),
7262 CHAN5G(144, 5720, 0),
7263 CHAN5G(149, 5745, 0),
7264 CHAN5G(153, 5765, 0),
7265 CHAN5G(157, 5785, 0),
7266 CHAN5G(161, 5805, 0),
7267 CHAN5G(165, 5825, 0),
7270 struct ath10k *ath10k_mac_create(size_t priv_size)
7272 struct ieee80211_hw *hw;
7275 hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, &ath10k_ops);
7285 void ath10k_mac_destroy(struct ath10k *ar)
7287 ieee80211_free_hw(ar->hw);
7290 static const struct ieee80211_iface_limit ath10k_if_limits[] = {
7293 .types = BIT(NL80211_IFTYPE_STATION)
7294 | BIT(NL80211_IFTYPE_P2P_CLIENT)
7298 .types = BIT(NL80211_IFTYPE_P2P_GO)
7302 .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
7306 .types = BIT(NL80211_IFTYPE_AP)
7307 #ifdef CONFIG_MAC80211_MESH
7308 | BIT(NL80211_IFTYPE_MESH_POINT)
7313 static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = {
7316 .types = BIT(NL80211_IFTYPE_AP)
7317 #ifdef CONFIG_MAC80211_MESH
7318 | BIT(NL80211_IFTYPE_MESH_POINT)
7323 .types = BIT(NL80211_IFTYPE_STATION)
7327 static const struct ieee80211_iface_combination ath10k_if_comb[] = {
7329 .limits = ath10k_if_limits,
7330 .n_limits = ARRAY_SIZE(ath10k_if_limits),
7331 .max_interfaces = 8,
7332 .num_different_channels = 1,
7333 .beacon_int_infra_match = true,
7337 static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = {
7339 .limits = ath10k_10x_if_limits,
7340 .n_limits = ARRAY_SIZE(ath10k_10x_if_limits),
7341 .max_interfaces = 8,
7342 .num_different_channels = 1,
7343 .beacon_int_infra_match = true,
7344 #ifdef CONFIG_ATH10K_DFS_CERTIFIED
7345 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
7346 BIT(NL80211_CHAN_WIDTH_20) |
7347 BIT(NL80211_CHAN_WIDTH_40) |
7348 BIT(NL80211_CHAN_WIDTH_80),
7353 static const struct ieee80211_iface_limit ath10k_tlv_if_limit[] = {
7356 .types = BIT(NL80211_IFTYPE_STATION),
7360 .types = BIT(NL80211_IFTYPE_AP) |
7361 #ifdef CONFIG_MAC80211_MESH
7362 BIT(NL80211_IFTYPE_MESH_POINT) |
7364 BIT(NL80211_IFTYPE_P2P_CLIENT) |
7365 BIT(NL80211_IFTYPE_P2P_GO),
7369 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
7373 static const struct ieee80211_iface_limit ath10k_tlv_qcs_if_limit[] = {
7376 .types = BIT(NL80211_IFTYPE_STATION),
7380 .types = BIT(NL80211_IFTYPE_P2P_CLIENT),
7384 .types = BIT(NL80211_IFTYPE_AP) |
7385 #ifdef CONFIG_MAC80211_MESH
7386 BIT(NL80211_IFTYPE_MESH_POINT) |
7388 BIT(NL80211_IFTYPE_P2P_GO),
7392 .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
7396 static const struct ieee80211_iface_limit ath10k_tlv_if_limit_ibss[] = {
7399 .types = BIT(NL80211_IFTYPE_STATION),
7403 .types = BIT(NL80211_IFTYPE_ADHOC),
7407 /* FIXME: This is not thouroughly tested. These combinations may over- or
7408 * underestimate hw/fw capabilities.
7410 static struct ieee80211_iface_combination ath10k_tlv_if_comb[] = {
7412 .limits = ath10k_tlv_if_limit,
7413 .num_different_channels = 1,
7414 .max_interfaces = 4,
7415 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
7418 .limits = ath10k_tlv_if_limit_ibss,
7419 .num_different_channels = 1,
7420 .max_interfaces = 2,
7421 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
7425 static struct ieee80211_iface_combination ath10k_tlv_qcs_if_comb[] = {
7427 .limits = ath10k_tlv_if_limit,
7428 .num_different_channels = 1,
7429 .max_interfaces = 4,
7430 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit),
7433 .limits = ath10k_tlv_qcs_if_limit,
7434 .num_different_channels = 2,
7435 .max_interfaces = 4,
7436 .n_limits = ARRAY_SIZE(ath10k_tlv_qcs_if_limit),
7439 .limits = ath10k_tlv_if_limit_ibss,
7440 .num_different_channels = 1,
7441 .max_interfaces = 2,
7442 .n_limits = ARRAY_SIZE(ath10k_tlv_if_limit_ibss),
7446 static const struct ieee80211_iface_limit ath10k_10_4_if_limits[] = {
7449 .types = BIT(NL80211_IFTYPE_STATION),
7453 .types = BIT(NL80211_IFTYPE_AP)
7454 #ifdef CONFIG_MAC80211_MESH
7455 | BIT(NL80211_IFTYPE_MESH_POINT)
7460 static const struct ieee80211_iface_combination ath10k_10_4_if_comb[] = {
7462 .limits = ath10k_10_4_if_limits,
7463 .n_limits = ARRAY_SIZE(ath10k_10_4_if_limits),
7464 .max_interfaces = 16,
7465 .num_different_channels = 1,
7466 .beacon_int_infra_match = true,
7467 #ifdef CONFIG_ATH10K_DFS_CERTIFIED
7468 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
7469 BIT(NL80211_CHAN_WIDTH_20) |
7470 BIT(NL80211_CHAN_WIDTH_40) |
7471 BIT(NL80211_CHAN_WIDTH_80),
7476 static void ath10k_get_arvif_iter(void *data, u8 *mac,
7477 struct ieee80211_vif *vif)
7479 struct ath10k_vif_iter *arvif_iter = data;
7480 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
7482 if (arvif->vdev_id == arvif_iter->vdev_id)
7483 arvif_iter->arvif = arvif;
7486 struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id)
7488 struct ath10k_vif_iter arvif_iter;
7491 memset(&arvif_iter, 0, sizeof(struct ath10k_vif_iter));
7492 arvif_iter.vdev_id = vdev_id;
7494 flags = IEEE80211_IFACE_ITER_RESUME_ALL;
7495 ieee80211_iterate_active_interfaces_atomic(ar->hw,
7497 ath10k_get_arvif_iter,
7499 if (!arvif_iter.arvif) {
7500 ath10k_warn(ar, "No VIF found for vdev %d\n", vdev_id);
7504 return arvif_iter.arvif;
7507 int ath10k_mac_register(struct ath10k *ar)
7509 static const u32 cipher_suites[] = {
7510 WLAN_CIPHER_SUITE_WEP40,
7511 WLAN_CIPHER_SUITE_WEP104,
7512 WLAN_CIPHER_SUITE_TKIP,
7513 WLAN_CIPHER_SUITE_CCMP,
7514 WLAN_CIPHER_SUITE_AES_CMAC,
7516 struct ieee80211_supported_band *band;
7520 SET_IEEE80211_PERM_ADDR(ar->hw, ar->mac_addr);
7522 SET_IEEE80211_DEV(ar->hw, ar->dev);
7524 BUILD_BUG_ON((ARRAY_SIZE(ath10k_2ghz_channels) +
7525 ARRAY_SIZE(ath10k_5ghz_channels)) !=
7528 if (ar->phy_capability & WHAL_WLAN_11G_CAPABILITY) {
7529 channels = kmemdup(ath10k_2ghz_channels,
7530 sizeof(ath10k_2ghz_channels),
7537 band = &ar->mac.sbands[IEEE80211_BAND_2GHZ];
7538 band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels);
7539 band->channels = channels;
7540 band->n_bitrates = ath10k_g_rates_size;
7541 band->bitrates = ath10k_g_rates;
7543 ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
7546 if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) {
7547 channels = kmemdup(ath10k_5ghz_channels,
7548 sizeof(ath10k_5ghz_channels),
7555 band = &ar->mac.sbands[IEEE80211_BAND_5GHZ];
7556 band->n_channels = ARRAY_SIZE(ath10k_5ghz_channels);
7557 band->channels = channels;
7558 band->n_bitrates = ath10k_a_rates_size;
7559 band->bitrates = ath10k_a_rates;
7560 ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band;
7563 ath10k_mac_setup_ht_vht_cap(ar);
7565 ar->hw->wiphy->interface_modes =
7566 BIT(NL80211_IFTYPE_STATION) |
7567 BIT(NL80211_IFTYPE_AP) |
7568 BIT(NL80211_IFTYPE_MESH_POINT);
7570 ar->hw->wiphy->available_antennas_rx = ar->cfg_rx_chainmask;
7571 ar->hw->wiphy->available_antennas_tx = ar->cfg_tx_chainmask;
7573 if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features))
7574 ar->hw->wiphy->interface_modes |=
7575 BIT(NL80211_IFTYPE_P2P_DEVICE) |
7576 BIT(NL80211_IFTYPE_P2P_CLIENT) |
7577 BIT(NL80211_IFTYPE_P2P_GO);
7579 ieee80211_hw_set(ar->hw, SIGNAL_DBM);
7580 ieee80211_hw_set(ar->hw, SUPPORTS_PS);
7581 ieee80211_hw_set(ar->hw, SUPPORTS_DYNAMIC_PS);
7582 ieee80211_hw_set(ar->hw, MFP_CAPABLE);
7583 ieee80211_hw_set(ar->hw, REPORTS_TX_ACK_STATUS);
7584 ieee80211_hw_set(ar->hw, HAS_RATE_CONTROL);
7585 ieee80211_hw_set(ar->hw, AP_LINK_PS);
7586 ieee80211_hw_set(ar->hw, SPECTRUM_MGMT);
7587 ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT);
7588 ieee80211_hw_set(ar->hw, CONNECTION_MONITOR);
7589 ieee80211_hw_set(ar->hw, SUPPORTS_PER_STA_GTK);
7590 ieee80211_hw_set(ar->hw, WANT_MONITOR_VIF);
7591 ieee80211_hw_set(ar->hw, CHANCTX_STA_CSA);
7592 ieee80211_hw_set(ar->hw, QUEUE_CONTROL);
7594 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
7595 ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL);
7597 ar->hw->wiphy->features |= NL80211_FEATURE_STATIC_SMPS;
7598 ar->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
7600 if (ar->ht_cap_info & WMI_HT_CAP_DYNAMIC_SMPS)
7601 ar->hw->wiphy->features |= NL80211_FEATURE_DYNAMIC_SMPS;
7603 if (ar->ht_cap_info & WMI_HT_CAP_ENABLED) {
7604 ieee80211_hw_set(ar->hw, AMPDU_AGGREGATION);
7605 ieee80211_hw_set(ar->hw, TX_AMPDU_SETUP_IN_HW);
7608 ar->hw->wiphy->max_scan_ssids = WLAN_SCAN_PARAMS_MAX_SSID;
7609 ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
7611 ar->hw->vif_data_size = sizeof(struct ath10k_vif);
7612 ar->hw->sta_data_size = sizeof(struct ath10k_sta);
7613 ar->hw->txq_data_size = sizeof(struct ath10k_txq);
7615 ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL;
7617 if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) {
7618 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
7620 /* Firmware delivers WPS/P2P Probe Requests frames to driver so
7621 * that userspace (e.g. wpa_supplicant/hostapd) can generate
7622 * correct Probe Responses. This is more of a hack advert..
7624 ar->hw->wiphy->probe_resp_offload |=
7625 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
7626 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
7627 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
7630 if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map))
7631 ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
7633 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
7634 ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
7635 ar->hw->wiphy->max_remain_on_channel_duration = 5000;
7637 ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
7638 ar->hw->wiphy->features |= NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE;
7640 ar->hw->wiphy->max_ap_assoc_sta = ar->max_num_stations;
7642 ret = ath10k_wow_init(ar);
7644 ath10k_warn(ar, "failed to init wow: %d\n", ret);
7648 wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
7651 * on LL hardware queues are managed entirely by the FW
7652 * so we only advertise to mac we can do the queues thing
7654 ar->hw->queues = IEEE80211_MAX_QUEUES;
7656 /* vdev_ids are used as hw queue numbers. Make sure offchan tx queue is
7657 * something that vdev_ids can't reach so that we don't stop the queue
7660 ar->hw->offchannel_tx_hw_queue = IEEE80211_MAX_QUEUES - 1;
7662 switch (ar->wmi.op_version) {
7663 case ATH10K_FW_WMI_OP_VERSION_MAIN:
7664 ar->hw->wiphy->iface_combinations = ath10k_if_comb;
7665 ar->hw->wiphy->n_iface_combinations =
7666 ARRAY_SIZE(ath10k_if_comb);
7667 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
7669 case ATH10K_FW_WMI_OP_VERSION_TLV:
7670 if (test_bit(WMI_SERVICE_ADAPTIVE_OCS, ar->wmi.svc_map)) {
7671 ar->hw->wiphy->iface_combinations =
7672 ath10k_tlv_qcs_if_comb;
7673 ar->hw->wiphy->n_iface_combinations =
7674 ARRAY_SIZE(ath10k_tlv_qcs_if_comb);
7676 ar->hw->wiphy->iface_combinations = ath10k_tlv_if_comb;
7677 ar->hw->wiphy->n_iface_combinations =
7678 ARRAY_SIZE(ath10k_tlv_if_comb);
7680 ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
7682 case ATH10K_FW_WMI_OP_VERSION_10_1:
7683 case ATH10K_FW_WMI_OP_VERSION_10_2:
7684 case ATH10K_FW_WMI_OP_VERSION_10_2_4:
7685 ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb;
7686 ar->hw->wiphy->n_iface_combinations =
7687 ARRAY_SIZE(ath10k_10x_if_comb);
7689 case ATH10K_FW_WMI_OP_VERSION_10_4:
7690 ar->hw->wiphy->iface_combinations = ath10k_10_4_if_comb;
7691 ar->hw->wiphy->n_iface_combinations =
7692 ARRAY_SIZE(ath10k_10_4_if_comb);
7694 case ATH10K_FW_WMI_OP_VERSION_UNSET:
7695 case ATH10K_FW_WMI_OP_VERSION_MAX:
7701 if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
7702 ar->hw->netdev_features = NETIF_F_HW_CSUM;
7704 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
7705 /* Init ath dfs pattern detector */
7706 ar->ath_common.debug_mask = ATH_DBG_DFS;
7707 ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common,
7710 if (!ar->dfs_detector)
7711 ath10k_warn(ar, "failed to initialise DFS pattern detector\n");
7714 ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy,
7715 ath10k_reg_notifier);
7717 ath10k_err(ar, "failed to initialise regulatory: %i\n", ret);
7718 goto err_dfs_detector_exit;
7721 ar->hw->wiphy->cipher_suites = cipher_suites;
7722 ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
7724 ret = ieee80211_register_hw(ar->hw);
7726 ath10k_err(ar, "failed to register ieee80211: %d\n", ret);
7727 goto err_dfs_detector_exit;
7730 if (!ath_is_world_regd(&ar->ath_common.regulatory)) {
7731 ret = regulatory_hint(ar->hw->wiphy,
7732 ar->ath_common.regulatory.alpha2);
7734 goto err_unregister;
7740 ieee80211_unregister_hw(ar->hw);
7742 err_dfs_detector_exit:
7743 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
7744 ar->dfs_detector->exit(ar->dfs_detector);
7747 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7748 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7750 SET_IEEE80211_DEV(ar->hw, NULL);
7754 void ath10k_mac_unregister(struct ath10k *ar)
7756 ieee80211_unregister_hw(ar->hw);
7758 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
7759 ar->dfs_detector->exit(ar->dfs_detector);
7761 kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
7762 kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
7764 SET_IEEE80211_DEV(ar->hw, NULL);