1// SPDX-License-Identifier: ISC
2/*
3 * Copyright (C) 2022 MediaTek Inc.
4 */
5
6#include "mt7996.h"
7#include "mcu.h"
8#include "mac.h"
9
10static bool mt7996_dev_running(struct mt7996_dev *dev)
11{
12	struct mt7996_phy *phy;
13
14	if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
15		return true;
16
17	phy = mt7996_phy2(dev);
18	if (phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
19		return true;
20
21	phy = mt7996_phy3(dev);
22
23	return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state);
24}
25
26int mt7996_run(struct ieee80211_hw *hw)
27{
28	struct mt7996_dev *dev = mt7996_hw_dev(hw);
29	struct mt7996_phy *phy = mt7996_hw_phy(hw);
30	bool running;
31	int ret;
32
33	running = mt7996_dev_running(dev);
34	if (!running) {
35		ret = mt7996_mcu_set_hdr_trans(dev, true);
36		if (ret)
37			goto out;
38	}
39
40	mt7996_mac_enable_nf(dev, phy->mt76->band_idx);
41
42	ret = mt7996_mcu_set_rts_thresh(phy, 0x92b);
43	if (ret)
44		goto out;
45
46	ret = mt7996_mcu_set_radio_en(phy, true);
47	if (ret)
48		goto out;
49
50	ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_RX_PATH);
51	if (ret)
52		goto out;
53
54	set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
55
56	ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
57				     MT7996_WATCHDOG_TIME);
58
59	if (!running)
60		mt7996_mac_reset_counters(phy);
61
62out:
63	return ret;
64}
65
66static int mt7996_start(struct ieee80211_hw *hw)
67{
68	struct mt7996_dev *dev = mt7996_hw_dev(hw);
69	int ret;
70
71	flush_work(&dev->init_work);
72
73	mutex_lock(&dev->mt76.mutex);
74	ret = mt7996_run(hw);
75	mutex_unlock(&dev->mt76.mutex);
76
77	return ret;
78}
79
80static void mt7996_stop(struct ieee80211_hw *hw)
81{
82	struct mt7996_dev *dev = mt7996_hw_dev(hw);
83	struct mt7996_phy *phy = mt7996_hw_phy(hw);
84
85	cancel_delayed_work_sync(&phy->mt76->mac_work);
86
87	mutex_lock(&dev->mt76.mutex);
88
89	mt7996_mcu_set_radio_en(phy, false);
90
91	clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
92
93	mutex_unlock(&dev->mt76.mutex);
94}
95
96static inline int get_free_idx(u32 mask, u8 start, u8 end)
97{
98	return ffs(~mask & GENMASK(end, start));
99}
100
101static int get_omac_idx(enum nl80211_iftype type, u64 mask)
102{
103	int i;
104
105	switch (type) {
106	case NL80211_IFTYPE_MESH_POINT:
107	case NL80211_IFTYPE_ADHOC:
108	case NL80211_IFTYPE_STATION:
109		/* prefer hw bssid slot 1-3 */
110		i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3);
111		if (i)
112			return i - 1;
113
114		if (type != NL80211_IFTYPE_STATION)
115			break;
116
117		i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
118		if (i)
119			return i - 1;
120
121		if (~mask & BIT(HW_BSSID_0))
122			return HW_BSSID_0;
123
124		break;
125	case NL80211_IFTYPE_MONITOR:
126	case NL80211_IFTYPE_AP:
127		/* ap uses hw bssid 0 and ext bssid */
128		if (~mask & BIT(HW_BSSID_0))
129			return HW_BSSID_0;
130
131		i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
132		if (i)
133			return i - 1;
134
135		break;
136	default:
137		WARN_ON(1);
138		break;
139	}
140
141	return -1;
142}
143
144static void mt7996_init_bitrate_mask(struct ieee80211_vif *vif)
145{
146	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
147	int i;
148
149	for (i = 0; i < ARRAY_SIZE(mvif->bitrate_mask.control); i++) {
150		mvif->bitrate_mask.control[i].gi = NL80211_TXRATE_DEFAULT_GI;
151		mvif->bitrate_mask.control[i].he_gi = 0xff;
152		mvif->bitrate_mask.control[i].he_ltf = 0xff;
153		mvif->bitrate_mask.control[i].legacy = GENMASK(31, 0);
154		memset(mvif->bitrate_mask.control[i].ht_mcs, 0xff,
155		       sizeof(mvif->bitrate_mask.control[i].ht_mcs));
156		memset(mvif->bitrate_mask.control[i].vht_mcs, 0xff,
157		       sizeof(mvif->bitrate_mask.control[i].vht_mcs));
158		memset(mvif->bitrate_mask.control[i].he_mcs, 0xff,
159		       sizeof(mvif->bitrate_mask.control[i].he_mcs));
160	}
161}
162
163static int mt7996_add_interface(struct ieee80211_hw *hw,
164				struct ieee80211_vif *vif)
165{
166	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
167	struct mt7996_dev *dev = mt7996_hw_dev(hw);
168	struct mt7996_phy *phy = mt7996_hw_phy(hw);
169	struct mt76_txq *mtxq;
170	u8 band_idx = phy->mt76->band_idx;
171	int idx, ret = 0;
172
173	mutex_lock(&dev->mt76.mutex);
174
175	if (vif->type == NL80211_IFTYPE_MONITOR &&
176	    is_zero_ether_addr(vif->addr))
177		phy->monitor_vif = vif;
178
179	mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
180	if (mvif->mt76.idx >= mt7996_max_interface_num(dev)) {
181		ret = -ENOSPC;
182		goto out;
183	}
184
185	idx = get_omac_idx(vif->type, phy->omac_mask);
186	if (idx < 0) {
187		ret = -ENOSPC;
188		goto out;
189	}
190	mvif->mt76.omac_idx = idx;
191	mvif->phy = phy;
192	mvif->mt76.band_idx = band_idx;
193	mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP;
194
195	ret = mt7996_mcu_add_dev_info(phy, vif, true);
196	if (ret)
197		goto out;
198
199	dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
200	phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
201
202	idx = MT7996_WTBL_RESERVED - mvif->mt76.idx;
203
204	INIT_LIST_HEAD(&mvif->sta.rc_list);
205	INIT_LIST_HEAD(&mvif->sta.wcid.poll_list);
206	mvif->sta.wcid.idx = idx;
207	mvif->sta.wcid.phy_idx = band_idx;
208	mvif->sta.wcid.hw_key_idx = -1;
209	mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
210	mt76_packet_id_init(&mvif->sta.wcid);
211
212	mt7996_mac_wtbl_update(dev, idx,
213			       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
214
215	if (vif->txq) {
216		mtxq = (struct mt76_txq *)vif->txq->drv_priv;
217		mtxq->wcid = idx;
218	}
219
220	if (vif->type != NL80211_IFTYPE_AP &&
221	    (!mvif->mt76.omac_idx || mvif->mt76.omac_idx > 3))
222		vif->offload_flags = 0;
223	vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR;
224
225	if (phy->mt76->chandef.chan->band != NL80211_BAND_2GHZ)
226		mvif->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL + 4;
227	else
228		mvif->mt76.basic_rates_idx = MT7996_BASIC_RATES_TBL;
229
230	mt7996_init_bitrate_mask(vif);
231
232	mt7996_mcu_add_bss_info(phy, vif, true);
233	mt7996_mcu_add_sta(dev, vif, NULL, true);
234	rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
235
236out:
237	mutex_unlock(&dev->mt76.mutex);
238
239	return ret;
240}
241
242static void mt7996_remove_interface(struct ieee80211_hw *hw,
243				    struct ieee80211_vif *vif)
244{
245	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
246	struct mt7996_sta *msta = &mvif->sta;
247	struct mt7996_dev *dev = mt7996_hw_dev(hw);
248	struct mt7996_phy *phy = mt7996_hw_phy(hw);
249	int idx = msta->wcid.idx;
250
251	mt7996_mcu_add_bss_info(phy, vif, false);
252	mt7996_mcu_add_sta(dev, vif, NULL, false);
253
254	if (vif == phy->monitor_vif)
255		phy->monitor_vif = NULL;
256
257	mt7996_mcu_add_dev_info(phy, vif, false);
258
259	rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
260
261	mutex_lock(&dev->mt76.mutex);
262	dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
263	phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
264	mutex_unlock(&dev->mt76.mutex);
265
266	spin_lock_bh(&dev->mt76.sta_poll_lock);
267	if (!list_empty(&msta->wcid.poll_list))
268		list_del_init(&msta->wcid.poll_list);
269	spin_unlock_bh(&dev->mt76.sta_poll_lock);
270
271	mt76_packet_id_flush(&dev->mt76, &msta->wcid);
272}
273
274int mt7996_set_channel(struct mt7996_phy *phy)
275{
276	struct mt7996_dev *dev = phy->dev;
277	int ret;
278
279	cancel_delayed_work_sync(&phy->mt76->mac_work);
280
281	mutex_lock(&dev->mt76.mutex);
282	set_bit(MT76_RESET, &phy->mt76->state);
283
284	mt76_set_channel(phy->mt76);
285
286	ret = mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_SWITCH);
287	if (ret)
288		goto out;
289
290	ret = mt7996_dfs_init_radar_detector(phy);
291	mt7996_mac_cca_stats_reset(phy);
292
293	mt7996_mac_reset_counters(phy);
294	phy->noise = 0;
295
296out:
297	clear_bit(MT76_RESET, &phy->mt76->state);
298	mutex_unlock(&dev->mt76.mutex);
299
300	mt76_txq_schedule_all(phy->mt76);
301
302	ieee80211_queue_delayed_work(phy->mt76->hw,
303				     &phy->mt76->mac_work,
304				     MT7996_WATCHDOG_TIME);
305
306	return ret;
307}
308
309static int mt7996_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
310			  struct ieee80211_vif *vif, struct ieee80211_sta *sta,
311			  struct ieee80211_key_conf *key)
312{
313	struct mt7996_dev *dev = mt7996_hw_dev(hw);
314	struct mt7996_phy *phy = mt7996_hw_phy(hw);
315	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
316	struct mt7996_sta *msta = sta ? (struct mt7996_sta *)sta->drv_priv :
317				  &mvif->sta;
318	struct mt76_wcid *wcid = &msta->wcid;
319	u8 *wcid_keyidx = &wcid->hw_key_idx;
320	int idx = key->keyidx;
321	int err = 0;
322
323	/* The hardware does not support per-STA RX GTK, fallback
324	 * to software mode for these.
325	 */
326	if ((vif->type == NL80211_IFTYPE_ADHOC ||
327	     vif->type == NL80211_IFTYPE_MESH_POINT) &&
328	    (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
329	     key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
330	    !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
331		return -EOPNOTSUPP;
332
333	/* fall back to sw encryption for unsupported ciphers */
334	switch (key->cipher) {
335	case WLAN_CIPHER_SUITE_AES_CMAC:
336		wcid_keyidx = &wcid->hw_key_idx2;
337		key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
338		break;
339	case WLAN_CIPHER_SUITE_TKIP:
340	case WLAN_CIPHER_SUITE_CCMP:
341	case WLAN_CIPHER_SUITE_CCMP_256:
342	case WLAN_CIPHER_SUITE_GCMP:
343	case WLAN_CIPHER_SUITE_GCMP_256:
344	case WLAN_CIPHER_SUITE_SMS4:
345		break;
346	case WLAN_CIPHER_SUITE_WEP40:
347	case WLAN_CIPHER_SUITE_WEP104:
348	default:
349		return -EOPNOTSUPP;
350	}
351
352	mutex_lock(&dev->mt76.mutex);
353
354	if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) {
355		mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
356		mt7996_mcu_add_bss_info(phy, vif, true);
357	}
358
359	if (cmd == SET_KEY) {
360		*wcid_keyidx = idx;
361	} else {
362		if (idx == *wcid_keyidx)
363			*wcid_keyidx = -1;
364		goto out;
365	}
366
367	mt76_wcid_key_setup(&dev->mt76, wcid, key);
368	err = mt7996_mcu_add_key(&dev->mt76, vif, &msta->bip,
369				 key, MCU_WMWA_UNI_CMD(STA_REC_UPDATE),
370				 &msta->wcid, cmd);
371out:
372	mutex_unlock(&dev->mt76.mutex);
373
374	return err;
375}
376
377static int mt7996_config(struct ieee80211_hw *hw, u32 changed)
378{
379	struct mt7996_dev *dev = mt7996_hw_dev(hw);
380	struct mt7996_phy *phy = mt7996_hw_phy(hw);
381	int ret;
382
383	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
384		ieee80211_stop_queues(hw);
385		ret = mt7996_set_channel(phy);
386		if (ret)
387			return ret;
388		ieee80211_wake_queues(hw);
389	}
390
391	mutex_lock(&dev->mt76.mutex);
392
393	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
394		bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR);
395
396		if (!enabled)
397			phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
398		else
399			phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
400
401		mt76_rmw_field(dev, MT_DMA_DCR0(phy->mt76->band_idx),
402			       MT_DMA_DCR0_RXD_G5_EN, enabled);
403		mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter);
404	}
405
406	mutex_unlock(&dev->mt76.mutex);
407
408	return 0;
409}
410
411static int
412mt7996_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
413	       unsigned int link_id, u16 queue,
414	       const struct ieee80211_tx_queue_params *params)
415{
416	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
417	const u8 mq_to_aci[] = {
418		[IEEE80211_AC_VO] = 3,
419		[IEEE80211_AC_VI] = 2,
420		[IEEE80211_AC_BE] = 0,
421		[IEEE80211_AC_BK] = 1,
422	};
423
424	/* firmware uses access class index */
425	mvif->queue_params[mq_to_aci[queue]] = *params;
426	/* no need to update right away, we'll get BSS_CHANGED_QOS */
427
428	return 0;
429}
430
431static void mt7996_configure_filter(struct ieee80211_hw *hw,
432				    unsigned int changed_flags,
433				    unsigned int *total_flags,
434				    u64 multicast)
435{
436	struct mt7996_dev *dev = mt7996_hw_dev(hw);
437	struct mt7996_phy *phy = mt7996_hw_phy(hw);
438	u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
439			MT_WF_RFCR1_DROP_BF_POLL |
440			MT_WF_RFCR1_DROP_BA |
441			MT_WF_RFCR1_DROP_CFEND |
442			MT_WF_RFCR1_DROP_CFACK;
443	u32 flags = 0;
444
445#define MT76_FILTER(_flag, _hw) do {					\
446		flags |= *total_flags & FIF_##_flag;			\
447		phy->rxfilter &= ~(_hw);				\
448		phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);	\
449	} while (0)
450
451	mutex_lock(&dev->mt76.mutex);
452
453	phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
454			   MT_WF_RFCR_DROP_OTHER_BEACON |
455			   MT_WF_RFCR_DROP_FRAME_REPORT |
456			   MT_WF_RFCR_DROP_PROBEREQ |
457			   MT_WF_RFCR_DROP_MCAST_FILTERED |
458			   MT_WF_RFCR_DROP_MCAST |
459			   MT_WF_RFCR_DROP_BCAST |
460			   MT_WF_RFCR_DROP_DUPLICATE |
461			   MT_WF_RFCR_DROP_A2_BSSID |
462			   MT_WF_RFCR_DROP_UNWANTED_CTL |
463			   MT_WF_RFCR_DROP_STBC_MULTI);
464
465	MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
466			       MT_WF_RFCR_DROP_A3_MAC |
467			       MT_WF_RFCR_DROP_A3_BSSID);
468
469	MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
470
471	MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
472			     MT_WF_RFCR_DROP_RTS |
473			     MT_WF_RFCR_DROP_CTL_RSV |
474			     MT_WF_RFCR_DROP_NDPA);
475
476	*total_flags = flags;
477	mt76_wr(dev, MT_WF_RFCR(phy->mt76->band_idx), phy->rxfilter);
478
479	if (*total_flags & FIF_CONTROL)
480		mt76_clear(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags);
481	else
482		mt76_set(dev, MT_WF_RFCR1(phy->mt76->band_idx), ctl_flags);
483
484	mutex_unlock(&dev->mt76.mutex);
485}
486
487static void
488mt7996_update_bss_color(struct ieee80211_hw *hw,
489			struct ieee80211_vif *vif,
490			struct cfg80211_he_bss_color *bss_color)
491{
492	struct mt7996_dev *dev = mt7996_hw_dev(hw);
493
494	switch (vif->type) {
495	case NL80211_IFTYPE_AP: {
496		struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
497
498		if (mvif->mt76.omac_idx > HW_BSSID_MAX)
499			return;
500		fallthrough;
501	}
502	case NL80211_IFTYPE_STATION:
503		mt7996_mcu_update_bss_color(dev, vif, bss_color);
504		break;
505	default:
506		break;
507	}
508}
509
510static u8
511mt7996_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
512		       bool beacon, bool mcast)
513{
514	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
515	struct mt76_phy *mphy = hw->priv;
516	u16 rate;
517	u8 i, idx, ht;
518
519	rate = mt76_connac2_mac_tx_rate_val(mphy, vif, beacon, mcast);
520	ht = FIELD_GET(MT_TX_RATE_MODE, rate) > MT_PHY_TYPE_OFDM;
521
522	if (beacon && ht) {
523		struct mt7996_dev *dev = mt7996_hw_dev(hw);
524
525		/* must odd index */
526		idx = MT7996_BEACON_RATES_TBL + 2 * (mvif->idx % 20);
527		mt7996_mac_set_fixed_rate_table(dev, idx, rate);
528		return idx;
529	}
530
531	idx = FIELD_GET(MT_TX_RATE_IDX, rate);
532	for (i = 0; i < ARRAY_SIZE(mt76_rates); i++)
533		if ((mt76_rates[i].hw_value & GENMASK(7, 0)) == idx)
534			return MT7996_BASIC_RATES_TBL + i;
535
536	return mvif->basic_rates_idx;
537}
538
539static void
540mt7996_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
541		       struct ieee80211_bss_conf *info)
542{
543	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
544	struct mt7996_dev *dev = mt7996_hw_dev(hw);
545	u8 band = mvif->mt76.band_idx;
546	u32 *mu;
547
548	mu = (u32 *)info->mu_group.membership;
549	mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD0(band), mu[0]);
550	mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD1(band), mu[1]);
551
552	mu = (u32 *)info->mu_group.position;
553	mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS0(band), mu[0]);
554	mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS1(band), mu[1]);
555	mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS2(band), mu[2]);
556	mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS3(band), mu[3]);
557}
558
559static void mt7996_bss_info_changed(struct ieee80211_hw *hw,
560				    struct ieee80211_vif *vif,
561				    struct ieee80211_bss_conf *info,
562				    u64 changed)
563{
564	struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
565	struct mt7996_phy *phy = mt7996_hw_phy(hw);
566	struct mt7996_dev *dev = mt7996_hw_dev(hw);
567
568	mutex_lock(&dev->mt76.mutex);
569
570	/* station mode uses BSSID to map the wlan entry to a peer,
571	 * and then peer references bss_info_rfch to set bandwidth cap.
572	 */
573	if (changed & BSS_CHANGED_BSSID &&
574	    vif->type == NL80211_IFTYPE_STATION) {
575		bool join = !is_zero_ether_addr(info->bssid);
576
577		mt7996_mcu_add_bss_info(phy, vif, join);
578		mt7996_mcu_add_sta(dev, vif, NULL, join);
579	}
580
581	if (changed & BSS_CHANGED_ASSOC)
582		mt7996_mcu_add_bss_info(phy, vif, vif->cfg.assoc);
583
584	if (changed & BSS_CHANGED_ERP_CTS_PROT)
585		mt7996_mac_enable_rtscts(dev, vif, info->use_cts_prot);
586
587	if (changed & BSS_CHANGED_ERP_SLOT) {
588		int slottime = info->use_short_slot ? 9 : 20;
589
590		if (slottime != phy->slottime) {
591			phy->slottime = slottime;
592			mt7996_mcu_set_timing(phy, vif);
593		}
594	}
595
596	if (changed & BSS_CHANGED_MCAST_RATE)
597		mvif->mcast_rates_idx =
598			mt7996_get_rates_table(hw, vif, false, true);
599
600	if (changed & BSS_CHANGED_BASIC_RATES)
601		mvif->basic_rates_idx =
602			mt7996_get_rates_table(hw, vif, false, false);
603
604	if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
605		mt7996_mcu_add_bss_info(phy, vif, true);
606		mt7996_mcu_add_sta(dev, vif, NULL, true);
607	}
608
609	/* ensure that enable txcmd_mode after bss_info */
610	if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
611		mt7996_mcu_set_tx(dev, vif);
612
613	if (changed & BSS_CHANGED_HE_OBSS_PD)
614		mt7996_mcu_add_obss_spr(phy, vif, &info->he_obss_pd);
615
616	if (changed & BSS_CHANGED_HE_BSS_COLOR)
617		mt7996_update_bss_color(hw, vif, &info->he_bss_color);
618
619	if (changed & (BSS_CHANGED_BEACON |
620		       BSS_CHANGED_BEACON_ENABLED)) {
621		mvif->beacon_rates_idx =
622			mt7996_get_rates_table(hw, vif, true, false);
623
624		mt7996_mcu_add_beacon(hw, vif, info->enable_beacon);
625	}
626
627	if (changed & (BSS_CHANGED_UNSOL_BCAST_PROBE_RESP |
628		       BSS_CHANGED_FILS_DISCOVERY))
629		mt7996_mcu_beacon_inband_discov(dev, vif, changed);
630
631	if (changed & BSS_CHANGED_MU_GROUPS)
632		mt7996_update_mu_group(hw, vif, info);
633
634	mutex_unlock(&dev->mt76.mutex);
635}
636
637static void
638mt7996_channel_switch_beacon(struct ieee80211_hw *hw,
639			     struct ieee80211_vif *vif,
640			     struct cfg80211_chan_def *chandef)
641{
642	struct mt7996_dev *dev = mt7996_hw_dev(hw);
643
644	mutex_lock(&dev->mt76.mutex);
645	mt7996_mcu_add_beacon(hw, vif, true);
646	mutex_unlock(&dev->mt76.mutex);
647}
648
649int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
650		       struct ieee80211_sta *sta)
651{
652	struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
653	struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
654	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
655	u8 band_idx = mvif->phy->mt76->band_idx;
656	int ret, idx;
657
658	idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7996_WTBL_STA);
659	if (idx < 0)
660		return -ENOSPC;
661
662	INIT_LIST_HEAD(&msta->rc_list);
663	INIT_LIST_HEAD(&msta->wcid.poll_list);
664	msta->vif = mvif;
665	msta->wcid.sta = 1;
666	msta->wcid.idx = idx;
667	msta->wcid.phy_idx = band_idx;
668	msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
669	msta->jiffies = jiffies;
670
671	ewma_avg_signal_init(&msta->avg_ack_signal);
672
673	mt7996_mac_wtbl_update(dev, idx,
674			       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
675
676	ret = mt7996_mcu_add_sta(dev, vif, sta, true);
677	if (ret)
678		return ret;
679
680	return mt7996_mcu_add_rate_ctrl(dev, vif, sta, false);
681}
682
683void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
684			   struct ieee80211_sta *sta)
685{
686	struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
687	struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
688	int i;
689
690	mt7996_mcu_add_sta(dev, vif, sta, false);
691
692	mt7996_mac_wtbl_update(dev, msta->wcid.idx,
693			       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
694
695	for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++)
696		mt7996_mac_twt_teardown_flow(dev, msta, i);
697
698	spin_lock_bh(&mdev->sta_poll_lock);
699	if (!list_empty(&msta->wcid.poll_list))
700		list_del_init(&msta->wcid.poll_list);
701	if (!list_empty(&msta->rc_list))
702		list_del_init(&msta->rc_list);
703	spin_unlock_bh(&mdev->sta_poll_lock);
704}
705
706static void mt7996_tx(struct ieee80211_hw *hw,
707		      struct ieee80211_tx_control *control,
708		      struct sk_buff *skb)
709{
710	struct mt7996_dev *dev = mt7996_hw_dev(hw);
711	struct mt76_phy *mphy = hw->priv;
712	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
713	struct ieee80211_vif *vif = info->control.vif;
714	struct mt76_wcid *wcid = &dev->mt76.global_wcid;
715
716	if (control->sta) {
717		struct mt7996_sta *sta;
718
719		sta = (struct mt7996_sta *)control->sta->drv_priv;
720		wcid = &sta->wcid;
721	}
722
723	if (vif && !control->sta) {
724		struct mt7996_vif *mvif;
725
726		mvif = (struct mt7996_vif *)vif->drv_priv;
727		wcid = &mvif->sta.wcid;
728	}
729
730	mt76_tx(mphy, control->sta, wcid, skb);
731}
732
733static int mt7996_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
734{
735	struct mt7996_phy *phy = mt7996_hw_phy(hw);
736	int ret;
737
738	mutex_lock(&phy->dev->mt76.mutex);
739	ret = mt7996_mcu_set_rts_thresh(phy, val);
740	mutex_unlock(&phy->dev->mt76.mutex);
741
742	return ret;
743}
744
745static int
746mt7996_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
747		    struct ieee80211_ampdu_params *params)
748{
749	enum ieee80211_ampdu_mlme_action action = params->action;
750	struct mt7996_dev *dev = mt7996_hw_dev(hw);
751	struct ieee80211_sta *sta = params->sta;
752	struct ieee80211_txq *txq = sta->txq[params->tid];
753	struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
754	u16 tid = params->tid;
755	u16 ssn = params->ssn;
756	struct mt76_txq *mtxq;
757	int ret = 0;
758
759	if (!txq)
760		return -EINVAL;
761
762	mtxq = (struct mt76_txq *)txq->drv_priv;
763
764	mutex_lock(&dev->mt76.mutex);
765	switch (action) {
766	case IEEE80211_AMPDU_RX_START:
767		mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
768				   params->buf_size);
769		ret = mt7996_mcu_add_rx_ba(dev, params, true);
770		break;
771	case IEEE80211_AMPDU_RX_STOP:
772		mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
773		ret = mt7996_mcu_add_rx_ba(dev, params, false);
774		break;
775	case IEEE80211_AMPDU_TX_OPERATIONAL:
776		mtxq->aggr = true;
777		mtxq->send_bar = false;
778		ret = mt7996_mcu_add_tx_ba(dev, params, true);
779		break;
780	case IEEE80211_AMPDU_TX_STOP_FLUSH:
781	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
782		mtxq->aggr = false;
783		clear_bit(tid, &msta->wcid.ampdu_state);
784		ret = mt7996_mcu_add_tx_ba(dev, params, false);
785		break;
786	case IEEE80211_AMPDU_TX_START:
787		set_bit(tid, &msta->wcid.ampdu_state);
788		ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
789		break;
790	case IEEE80211_AMPDU_TX_STOP_CONT:
791		mtxq->aggr = false;
792		clear_bit(tid, &msta->wcid.ampdu_state);
793		ret = mt7996_mcu_add_tx_ba(dev, params, false);
794		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
795		break;
796	}
797	mutex_unlock(&dev->mt76.mutex);
798
799	return ret;
800}
801
802static int
803mt7996_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
804	       struct ieee80211_sta *sta)
805{
806	return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
807			      IEEE80211_STA_NONE);
808}
809
810static int
811mt7996_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
812		  struct ieee80211_sta *sta)
813{
814	return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
815			      IEEE80211_STA_NOTEXIST);
816}
817
818static int
819mt7996_get_stats(struct ieee80211_hw *hw,
820		 struct ieee80211_low_level_stats *stats)
821{
822	struct mt7996_phy *phy = mt7996_hw_phy(hw);
823	struct mt7996_dev *dev = mt7996_hw_dev(hw);
824	struct mt76_mib_stats *mib = &phy->mib;
825
826	mutex_lock(&dev->mt76.mutex);
827
828	stats->dot11RTSSuccessCount = mib->rts_cnt;
829	stats->dot11RTSFailureCount = mib->rts_retries_cnt;
830	stats->dot11FCSErrorCount = mib->fcs_err_cnt;
831	stats->dot11ACKFailureCount = mib->ack_fail_cnt;
832
833	mutex_unlock(&dev->mt76.mutex);
834
835	return 0;
836}
837
838u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif *mvif)
839{
840	struct mt7996_dev *dev = mt7996_hw_dev(hw);
841	struct mt7996_phy *phy = mt7996_hw_phy(hw);
842	union {
843		u64 t64;
844		u32 t32[2];
845	} tsf;
846	u16 n;
847
848	lockdep_assert_held(&dev->mt76.mutex);
849
850	n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
851					       : mvif->mt76.omac_idx;
852	/* TSF software read */
853	mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
854		 MT_LPON_TCR_SW_READ);
855	tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(phy->mt76->band_idx));
856	tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(phy->mt76->band_idx));
857
858	return tsf.t64;
859}
860
861static u64
862mt7996_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
863{
864	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
865	struct mt7996_dev *dev = mt7996_hw_dev(hw);
866	u64 ret;
867
868	mutex_lock(&dev->mt76.mutex);
869	ret = __mt7996_get_tsf(hw, mvif);
870	mutex_unlock(&dev->mt76.mutex);
871
872	return ret;
873}
874
875static void
876mt7996_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
877	       u64 timestamp)
878{
879	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
880	struct mt7996_dev *dev = mt7996_hw_dev(hw);
881	struct mt7996_phy *phy = mt7996_hw_phy(hw);
882	union {
883		u64 t64;
884		u32 t32[2];
885	} tsf = { .t64 = timestamp, };
886	u16 n;
887
888	mutex_lock(&dev->mt76.mutex);
889
890	n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
891					       : mvif->mt76.omac_idx;
892	mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]);
893	mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]);
894	/* TSF software overwrite */
895	mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
896		 MT_LPON_TCR_SW_WRITE);
897
898	mutex_unlock(&dev->mt76.mutex);
899}
900
901static void
902mt7996_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
903		  s64 timestamp)
904{
905	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
906	struct mt7996_dev *dev = mt7996_hw_dev(hw);
907	struct mt7996_phy *phy = mt7996_hw_phy(hw);
908	union {
909		u64 t64;
910		u32 t32[2];
911	} tsf = { .t64 = timestamp, };
912	u16 n;
913
914	mutex_lock(&dev->mt76.mutex);
915
916	n = mvif->mt76.omac_idx > HW_BSSID_MAX ? HW_BSSID_0
917					       : mvif->mt76.omac_idx;
918	mt76_wr(dev, MT_LPON_UTTR0(phy->mt76->band_idx), tsf.t32[0]);
919	mt76_wr(dev, MT_LPON_UTTR1(phy->mt76->band_idx), tsf.t32[1]);
920	/* TSF software adjust*/
921	mt76_rmw(dev, MT_LPON_TCR(phy->mt76->band_idx, n), MT_LPON_TCR_SW_MODE,
922		 MT_LPON_TCR_SW_ADJUST);
923
924	mutex_unlock(&dev->mt76.mutex);
925}
926
927static void
928mt7996_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
929{
930	struct mt7996_phy *phy = mt7996_hw_phy(hw);
931	struct mt7996_dev *dev = phy->dev;
932
933	mutex_lock(&dev->mt76.mutex);
934	phy->coverage_class = max_t(s16, coverage_class, 0);
935	mt7996_mac_set_coverage_class(phy);
936	mutex_unlock(&dev->mt76.mutex);
937}
938
939static int
940mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
941{
942	struct mt7996_dev *dev = mt7996_hw_dev(hw);
943	struct mt7996_phy *phy = mt7996_hw_phy(hw);
944	int max_nss = hweight8(hw->wiphy->available_antennas_tx);
945	u8 band_idx = phy->mt76->band_idx, shift = dev->chainshift[band_idx];
946
947	if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
948		return -EINVAL;
949
950	if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
951		tx_ant = BIT(ffs(tx_ant) - 1) - 1;
952
953	mutex_lock(&dev->mt76.mutex);
954
955	phy->mt76->antenna_mask = tx_ant;
956
957	/* restore to the origin chainmask which might have auxiliary path */
958	if (hweight8(tx_ant) == max_nss && band_idx < MT_BAND2)
959		phy->mt76->chainmask = ((dev->chainmask >> shift) &
960					(BIT(dev->chainshift[band_idx + 1] - shift) - 1)) << shift;
961	else if (hweight8(tx_ant) == max_nss)
962		phy->mt76->chainmask = (dev->chainmask >> shift) << shift;
963	else
964		phy->mt76->chainmask = tx_ant << shift;
965
966	mt76_set_stream_caps(phy->mt76, true);
967	mt7996_set_stream_vht_txbf_caps(phy);
968	mt7996_set_stream_he_eht_caps(phy);
969
970	/* TODO: update bmc_wtbl spe_idx when antenna changes */
971	mutex_unlock(&dev->mt76.mutex);
972
973	return 0;
974}
975
976static void mt7996_sta_statistics(struct ieee80211_hw *hw,
977				  struct ieee80211_vif *vif,
978				  struct ieee80211_sta *sta,
979				  struct station_info *sinfo)
980{
981	struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
982	struct rate_info *txrate = &msta->wcid.rate;
983
984	if (txrate->legacy || txrate->flags) {
985		if (txrate->legacy) {
986			sinfo->txrate.legacy = txrate->legacy;
987		} else {
988			sinfo->txrate.mcs = txrate->mcs;
989			sinfo->txrate.nss = txrate->nss;
990			sinfo->txrate.bw = txrate->bw;
991			sinfo->txrate.he_gi = txrate->he_gi;
992			sinfo->txrate.he_dcm = txrate->he_dcm;
993			sinfo->txrate.he_ru_alloc = txrate->he_ru_alloc;
994		}
995		sinfo->txrate.flags = txrate->flags;
996		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
997	}
998	sinfo->txrate.flags = txrate->flags;
999	sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1000
1001	sinfo->ack_signal = (s8)msta->ack_signal;
1002	sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL);
1003
1004	sinfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&msta->avg_ack_signal);
1005	sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG);
1006}
1007
1008static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta)
1009{
1010	struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1011	struct mt7996_dev *dev = msta->vif->phy->dev;
1012	u32 *changed = data;
1013
1014	spin_lock_bh(&dev->mt76.sta_poll_lock);
1015	msta->changed |= *changed;
1016	if (list_empty(&msta->rc_list))
1017		list_add_tail(&msta->rc_list, &dev->sta_rc_list);
1018	spin_unlock_bh(&dev->mt76.sta_poll_lock);
1019}
1020
1021static void mt7996_sta_rc_update(struct ieee80211_hw *hw,
1022				 struct ieee80211_vif *vif,
1023				 struct ieee80211_sta *sta,
1024				 u32 changed)
1025{
1026	struct mt7996_phy *phy = mt7996_hw_phy(hw);
1027	struct mt7996_dev *dev = phy->dev;
1028
1029	mt7996_sta_rc_work(&changed, sta);
1030	ieee80211_queue_work(hw, &dev->rc_work);
1031}
1032
1033static int
1034mt7996_set_bitrate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1035			const struct cfg80211_bitrate_mask *mask)
1036{
1037	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
1038	struct mt7996_phy *phy = mt7996_hw_phy(hw);
1039	struct mt7996_dev *dev = phy->dev;
1040	u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED;
1041
1042	mvif->bitrate_mask = *mask;
1043
1044	/* if multiple rates across different preambles are given we can
1045	 * reconfigure this info with all peers using sta_rec command with
1046	 * the below exception cases.
1047	 * - single rate : if a rate is passed along with different preambles,
1048	 * we select the highest one as fixed rate. i.e VHT MCS for VHT peers.
1049	 * - multiple rates: if it's not in range format i.e 0-{7,8,9} for VHT
1050	 * then multiple MCS setting (MCS 4,5,6) is not supported.
1051	 */
1052	ieee80211_iterate_stations_atomic(hw, mt7996_sta_rc_work, &changed);
1053	ieee80211_queue_work(hw, &dev->rc_work);
1054
1055	return 0;
1056}
1057
1058static void mt7996_sta_set_4addr(struct ieee80211_hw *hw,
1059				 struct ieee80211_vif *vif,
1060				 struct ieee80211_sta *sta,
1061				 bool enabled)
1062{
1063	struct mt7996_dev *dev = mt7996_hw_dev(hw);
1064	struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1065
1066	if (enabled)
1067		set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1068	else
1069		clear_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
1070
1071	mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta);
1072}
1073
1074static void mt7996_sta_set_decap_offload(struct ieee80211_hw *hw,
1075					 struct ieee80211_vif *vif,
1076					 struct ieee80211_sta *sta,
1077					 bool enabled)
1078{
1079	struct mt7996_dev *dev = mt7996_hw_dev(hw);
1080	struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1081
1082	if (enabled)
1083		set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1084	else
1085		clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1086
1087	mt7996_mcu_wtbl_update_hdr_trans(dev, vif, sta);
1088}
1089
1090static const char mt7996_gstrings_stats[][ETH_GSTRING_LEN] = {
1091	"tx_ampdu_cnt",
1092	"tx_stop_q_empty_cnt",
1093	"tx_mpdu_attempts",
1094	"tx_mpdu_success",
1095	"tx_rwp_fail_cnt",
1096	"tx_rwp_need_cnt",
1097	"tx_pkt_ebf_cnt",
1098	"tx_pkt_ibf_cnt",
1099	"tx_ampdu_len:0-1",
1100	"tx_ampdu_len:2-10",
1101	"tx_ampdu_len:11-19",
1102	"tx_ampdu_len:20-28",
1103	"tx_ampdu_len:29-37",
1104	"tx_ampdu_len:38-46",
1105	"tx_ampdu_len:47-55",
1106	"tx_ampdu_len:56-79",
1107	"tx_ampdu_len:80-103",
1108	"tx_ampdu_len:104-127",
1109	"tx_ampdu_len:128-151",
1110	"tx_ampdu_len:152-175",
1111	"tx_ampdu_len:176-199",
1112	"tx_ampdu_len:200-223",
1113	"tx_ampdu_len:224-247",
1114	"ba_miss_count",
1115	"tx_beamformer_ppdu_iBF",
1116	"tx_beamformer_ppdu_eBF",
1117	"tx_beamformer_rx_feedback_all",
1118	"tx_beamformer_rx_feedback_he",
1119	"tx_beamformer_rx_feedback_vht",
1120	"tx_beamformer_rx_feedback_ht",
1121	"tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */
1122	"tx_beamformer_rx_feedback_nc",
1123	"tx_beamformer_rx_feedback_nr",
1124	"tx_beamformee_ok_feedback_pkts",
1125	"tx_beamformee_feedback_trig",
1126	"tx_mu_beamforming",
1127	"tx_mu_mpdu",
1128	"tx_mu_successful_mpdu",
1129	"tx_su_successful_mpdu",
1130	"tx_msdu_pack_1",
1131	"tx_msdu_pack_2",
1132	"tx_msdu_pack_3",
1133	"tx_msdu_pack_4",
1134	"tx_msdu_pack_5",
1135	"tx_msdu_pack_6",
1136	"tx_msdu_pack_7",
1137	"tx_msdu_pack_8",
1138
1139	/* rx counters */
1140	"rx_fifo_full_cnt",
1141	"rx_mpdu_cnt",
1142	"channel_idle_cnt",
1143	"rx_vector_mismatch_cnt",
1144	"rx_delimiter_fail_cnt",
1145	"rx_len_mismatch_cnt",
1146	"rx_ampdu_cnt",
1147	"rx_ampdu_bytes_cnt",
1148	"rx_ampdu_valid_subframe_cnt",
1149	"rx_ampdu_valid_subframe_b_cnt",
1150	"rx_pfdrop_cnt",
1151	"rx_vec_queue_overflow_drop_cnt",
1152	"rx_ba_cnt",
1153
1154	/* per vif counters */
1155	"v_tx_mode_cck",
1156	"v_tx_mode_ofdm",
1157	"v_tx_mode_ht",
1158	"v_tx_mode_ht_gf",
1159	"v_tx_mode_vht",
1160	"v_tx_mode_he_su",
1161	"v_tx_mode_he_ext_su",
1162	"v_tx_mode_he_tb",
1163	"v_tx_mode_he_mu",
1164	"v_tx_mode_eht_su",
1165	"v_tx_mode_eht_trig",
1166	"v_tx_mode_eht_mu",
1167	"v_tx_bw_20",
1168	"v_tx_bw_40",
1169	"v_tx_bw_80",
1170	"v_tx_bw_160",
1171	"v_tx_bw_320",
1172	"v_tx_mcs_0",
1173	"v_tx_mcs_1",
1174	"v_tx_mcs_2",
1175	"v_tx_mcs_3",
1176	"v_tx_mcs_4",
1177	"v_tx_mcs_5",
1178	"v_tx_mcs_6",
1179	"v_tx_mcs_7",
1180	"v_tx_mcs_8",
1181	"v_tx_mcs_9",
1182	"v_tx_mcs_10",
1183	"v_tx_mcs_11",
1184	"v_tx_mcs_12",
1185	"v_tx_mcs_13",
1186	"v_tx_nss_1",
1187	"v_tx_nss_2",
1188	"v_tx_nss_3",
1189	"v_tx_nss_4",
1190};
1191
1192#define MT7996_SSTATS_LEN ARRAY_SIZE(mt7996_gstrings_stats)
1193
1194/* Ethtool related API */
1195static
1196void mt7996_get_et_strings(struct ieee80211_hw *hw,
1197			   struct ieee80211_vif *vif,
1198			   u32 sset, u8 *data)
1199{
1200	if (sset == ETH_SS_STATS)
1201		memcpy(data, mt7996_gstrings_stats,
1202		       sizeof(mt7996_gstrings_stats));
1203}
1204
1205static
1206int mt7996_get_et_sset_count(struct ieee80211_hw *hw,
1207			     struct ieee80211_vif *vif, int sset)
1208{
1209	if (sset == ETH_SS_STATS)
1210		return MT7996_SSTATS_LEN;
1211
1212	return 0;
1213}
1214
1215static void mt7996_ethtool_worker(void *wi_data, struct ieee80211_sta *sta)
1216{
1217	struct mt76_ethtool_worker_info *wi = wi_data;
1218	struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1219
1220	if (msta->vif->mt76.idx != wi->idx)
1221		return;
1222
1223	mt76_ethtool_worker(wi, &msta->wcid.stats, true);
1224}
1225
1226static
1227void mt7996_get_et_stats(struct ieee80211_hw *hw,
1228			 struct ieee80211_vif *vif,
1229			 struct ethtool_stats *stats, u64 *data)
1230{
1231	struct mt7996_dev *dev = mt7996_hw_dev(hw);
1232	struct mt7996_phy *phy = mt7996_hw_phy(hw);
1233	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
1234	struct mt76_mib_stats *mib = &phy->mib;
1235	struct mt76_ethtool_worker_info wi = {
1236		.data = data,
1237		.idx = mvif->mt76.idx,
1238	};
1239	/* See mt7996_ampdu_stat_read_phy, etc */
1240	int i, ei = 0;
1241
1242	mutex_lock(&dev->mt76.mutex);
1243
1244	mt7996_mac_update_stats(phy);
1245
1246	data[ei++] = mib->tx_ampdu_cnt;
1247	data[ei++] = mib->tx_stop_q_empty_cnt;
1248	data[ei++] = mib->tx_mpdu_attempts_cnt;
1249	data[ei++] = mib->tx_mpdu_success_cnt;
1250	data[ei++] = mib->tx_rwp_fail_cnt;
1251	data[ei++] = mib->tx_rwp_need_cnt;
1252	data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
1253	data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
1254
1255	/* Tx ampdu stat */
1256	for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++)
1257		data[ei++] = phy->mt76->aggr_stats[i];
1258	data[ei++] = phy->mib.ba_miss_cnt;
1259
1260	/* Tx Beamformer monitor */
1261	data[ei++] = mib->tx_bf_ibf_ppdu_cnt;
1262	data[ei++] = mib->tx_bf_ebf_ppdu_cnt;
1263
1264	/* Tx Beamformer Rx feedback monitor */
1265	data[ei++] = mib->tx_bf_rx_fb_all_cnt;
1266	data[ei++] = mib->tx_bf_rx_fb_he_cnt;
1267	data[ei++] = mib->tx_bf_rx_fb_vht_cnt;
1268	data[ei++] = mib->tx_bf_rx_fb_ht_cnt;
1269
1270	data[ei++] = mib->tx_bf_rx_fb_bw;
1271	data[ei++] = mib->tx_bf_rx_fb_nc_cnt;
1272	data[ei++] = mib->tx_bf_rx_fb_nr_cnt;
1273
1274	/* Tx Beamformee Rx NDPA & Tx feedback report */
1275	data[ei++] = mib->tx_bf_fb_cpl_cnt;
1276	data[ei++] = mib->tx_bf_fb_trig_cnt;
1277
1278	/* Tx SU & MU counters */
1279	data[ei++] = mib->tx_mu_bf_cnt;
1280	data[ei++] = mib->tx_mu_mpdu_cnt;
1281	data[ei++] = mib->tx_mu_acked_mpdu_cnt;
1282	data[ei++] = mib->tx_su_acked_mpdu_cnt;
1283
1284	/* Tx amsdu info (pack-count histogram) */
1285	for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++)
1286		data[ei++] = mib->tx_amsdu[i];
1287
1288	/* rx counters */
1289	data[ei++] = mib->rx_fifo_full_cnt;
1290	data[ei++] = mib->rx_mpdu_cnt;
1291	data[ei++] = mib->channel_idle_cnt;
1292	data[ei++] = mib->rx_vector_mismatch_cnt;
1293	data[ei++] = mib->rx_delimiter_fail_cnt;
1294	data[ei++] = mib->rx_len_mismatch_cnt;
1295	data[ei++] = mib->rx_ampdu_cnt;
1296	data[ei++] = mib->rx_ampdu_bytes_cnt;
1297	data[ei++] = mib->rx_ampdu_valid_subframe_cnt;
1298	data[ei++] = mib->rx_ampdu_valid_subframe_bytes_cnt;
1299	data[ei++] = mib->rx_pfdrop_cnt;
1300	data[ei++] = mib->rx_vec_queue_overflow_drop_cnt;
1301	data[ei++] = mib->rx_ba_cnt;
1302
1303	/* Add values for all stations owned by this vif */
1304	wi.initial_stat_idx = ei;
1305	ieee80211_iterate_stations_atomic(hw, mt7996_ethtool_worker, &wi);
1306
1307	mutex_unlock(&dev->mt76.mutex);
1308
1309	if (wi.sta_count == 0)
1310		return;
1311
1312	ei += wi.worker_stat_count;
1313	if (ei != MT7996_SSTATS_LEN)
1314		dev_err(dev->mt76.dev, "ei: %d  MT7996_SSTATS_LEN: %d",
1315			ei, (int)MT7996_SSTATS_LEN);
1316}
1317
1318static void
1319mt7996_twt_teardown_request(struct ieee80211_hw *hw,
1320			    struct ieee80211_sta *sta,
1321			    u8 flowid)
1322{
1323	struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
1324	struct mt7996_dev *dev = mt7996_hw_dev(hw);
1325
1326	mutex_lock(&dev->mt76.mutex);
1327	mt7996_mac_twt_teardown_flow(dev, msta, flowid);
1328	mutex_unlock(&dev->mt76.mutex);
1329}
1330
1331static int
1332mt7996_set_radar_background(struct ieee80211_hw *hw,
1333			    struct cfg80211_chan_def *chandef)
1334{
1335	struct mt7996_phy *phy = mt7996_hw_phy(hw);
1336	struct mt7996_dev *dev = phy->dev;
1337	int ret = -EINVAL;
1338	bool running;
1339
1340	mutex_lock(&dev->mt76.mutex);
1341
1342	if (dev->mt76.region == NL80211_DFS_UNSET)
1343		goto out;
1344
1345	if (dev->rdd2_phy && dev->rdd2_phy != phy) {
1346		/* rdd2 is already locked */
1347		ret = -EBUSY;
1348		goto out;
1349	}
1350
1351	/* rdd2 already configured on a radar channel */
1352	running = dev->rdd2_phy &&
1353		  cfg80211_chandef_valid(&dev->rdd2_chandef) &&
1354		  !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR);
1355
1356	if (!chandef || running ||
1357	    !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) {
1358		ret = mt7996_mcu_rdd_background_enable(phy, NULL);
1359		if (ret)
1360			goto out;
1361
1362		if (!running)
1363			goto update_phy;
1364	}
1365
1366	ret = mt7996_mcu_rdd_background_enable(phy, chandef);
1367	if (ret)
1368		goto out;
1369
1370update_phy:
1371	dev->rdd2_phy = chandef ? phy : NULL;
1372	if (chandef)
1373		dev->rdd2_chandef = *chandef;
1374out:
1375	mutex_unlock(&dev->mt76.mutex);
1376
1377	return ret;
1378}
1379
1380const struct ieee80211_ops mt7996_ops = {
1381	.tx = mt7996_tx,
1382	.start = mt7996_start,
1383	.stop = mt7996_stop,
1384	.add_interface = mt7996_add_interface,
1385	.remove_interface = mt7996_remove_interface,
1386	.config = mt7996_config,
1387	.conf_tx = mt7996_conf_tx,
1388	.configure_filter = mt7996_configure_filter,
1389	.bss_info_changed = mt7996_bss_info_changed,
1390	.sta_add = mt7996_sta_add,
1391	.sta_remove = mt7996_sta_remove,
1392	.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1393	.sta_rc_update = mt7996_sta_rc_update,
1394	.set_key = mt7996_set_key,
1395	.ampdu_action = mt7996_ampdu_action,
1396	.set_rts_threshold = mt7996_set_rts_threshold,
1397	.wake_tx_queue = mt76_wake_tx_queue,
1398	.sw_scan_start = mt76_sw_scan,
1399	.sw_scan_complete = mt76_sw_scan_complete,
1400	.release_buffered_frames = mt76_release_buffered_frames,
1401	.get_txpower = mt76_get_txpower,
1402	.channel_switch_beacon = mt7996_channel_switch_beacon,
1403	.get_stats = mt7996_get_stats,
1404	.get_et_sset_count = mt7996_get_et_sset_count,
1405	.get_et_stats = mt7996_get_et_stats,
1406	.get_et_strings = mt7996_get_et_strings,
1407	.get_tsf = mt7996_get_tsf,
1408	.set_tsf = mt7996_set_tsf,
1409	.offset_tsf = mt7996_offset_tsf,
1410	.get_survey = mt76_get_survey,
1411	.get_antenna = mt76_get_antenna,
1412	.set_antenna = mt7996_set_antenna,
1413	.set_bitrate_mask = mt7996_set_bitrate_mask,
1414	.set_coverage_class = mt7996_set_coverage_class,
1415	.sta_statistics = mt7996_sta_statistics,
1416	.sta_set_4addr = mt7996_sta_set_4addr,
1417	.sta_set_decap_offload = mt7996_sta_set_decap_offload,
1418	.add_twt_setup = mt7996_mac_add_twt_setup,
1419	.twt_teardown_request = mt7996_twt_teardown_request,
1420#ifdef CONFIG_MAC80211_DEBUGFS
1421	.sta_add_debugfs = mt7996_sta_add_debugfs,
1422#endif
1423	.set_radar_background = mt7996_set_radar_background,
1424};
1425