1 // SPDX-License-Identifier: ISC
2 
3 #include <linux/etherdevice.h>
4 #include <linux/platform_device.h>
5 #include <linux/pci.h>
6 #include <linux/module.h>
7 #include "mt7603.h"
8 #include "mac.h"
9 #include "eeprom.h"
10 
11 static int
12 mt7603_start(struct ieee80211_hw *hw)
13 {
14 	struct mt7603_dev *dev = hw->priv;
15 
16 	mt7603_mac_start(dev);
17 	dev->mt76.survey_time = ktime_get_boottime();
18 	set_bit(MT76_STATE_RUNNING, &dev->mt76.state);
19 	mt7603_mac_work(&dev->mt76.mac_work.work);
20 
21 	return 0;
22 }
23 
24 static void
25 mt7603_stop(struct ieee80211_hw *hw)
26 {
27 	struct mt7603_dev *dev = hw->priv;
28 
29 	clear_bit(MT76_STATE_RUNNING, &dev->mt76.state);
30 	cancel_delayed_work_sync(&dev->mt76.mac_work);
31 	mt7603_mac_stop(dev);
32 }
33 
34 static int
35 mt7603_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
36 {
37 	struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv;
38 	struct mt7603_dev *dev = hw->priv;
39 	struct mt76_txq *mtxq;
40 	u8 bc_addr[ETH_ALEN];
41 	int idx;
42 	int ret = 0;
43 
44 	mutex_lock(&dev->mt76.mutex);
45 
46 	mvif->idx = ffs(~dev->vif_mask) - 1;
47 	if (mvif->idx >= MT7603_MAX_INTERFACES) {
48 		ret = -ENOSPC;
49 		goto out;
50 	}
51 
52 	mt76_wr(dev, MT_MAC_ADDR0(mvif->idx),
53 		get_unaligned_le32(vif->addr));
54 	mt76_wr(dev, MT_MAC_ADDR1(mvif->idx),
55 		(get_unaligned_le16(vif->addr + 4) |
56 		 MT_MAC_ADDR1_VALID));
57 
58 	if (vif->type == NL80211_IFTYPE_AP) {
59 		mt76_wr(dev, MT_BSSID0(mvif->idx),
60 			get_unaligned_le32(vif->addr));
61 		mt76_wr(dev, MT_BSSID1(mvif->idx),
62 			(get_unaligned_le16(vif->addr + 4) |
63 			 MT_BSSID1_VALID));
64 	}
65 
66 	idx = MT7603_WTBL_RESERVED - 1 - mvif->idx;
67 	dev->vif_mask |= BIT(mvif->idx);
68 	mvif->sta.wcid.idx = idx;
69 	mvif->sta.wcid.hw_key_idx = -1;
70 
71 	eth_broadcast_addr(bc_addr);
72 	mt7603_wtbl_init(dev, idx, mvif->idx, bc_addr);
73 
74 	mtxq = (struct mt76_txq *)vif->txq->drv_priv;
75 	mtxq->wcid = &mvif->sta.wcid;
76 	mt76_txq_init(&dev->mt76, vif->txq);
77 	rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
78 
79 out:
80 	mutex_unlock(&dev->mt76.mutex);
81 
82 	return ret;
83 }
84 
85 static void
86 mt7603_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
87 {
88 	struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv;
89 	struct mt7603_dev *dev = hw->priv;
90 	int idx = mvif->sta.wcid.idx;
91 
92 	mt76_wr(dev, MT_MAC_ADDR0(mvif->idx), 0);
93 	mt76_wr(dev, MT_MAC_ADDR1(mvif->idx), 0);
94 	mt76_wr(dev, MT_BSSID0(mvif->idx), 0);
95 	mt76_wr(dev, MT_BSSID1(mvif->idx), 0);
96 	mt7603_beacon_set_timer(dev, mvif->idx, 0);
97 
98 	rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
99 	mt76_txq_remove(&dev->mt76, vif->txq);
100 
101 	mutex_lock(&dev->mt76.mutex);
102 	dev->vif_mask &= ~BIT(mvif->idx);
103 	mutex_unlock(&dev->mt76.mutex);
104 }
105 
106 void mt7603_init_edcca(struct mt7603_dev *dev)
107 {
108 	/* Set lower signal level to -65dBm */
109 	mt76_rmw_field(dev, MT_RXTD(8), MT_RXTD_8_LOWER_SIGNAL, 0x23);
110 
111 	/* clear previous energy detect monitor results */
112 	mt76_rr(dev, MT_MIB_STAT_ED);
113 
114 	if (dev->ed_monitor)
115 		mt76_set(dev, MT_MIB_CTL, MT_MIB_CTL_ED_TIME);
116 	else
117 		mt76_clear(dev, MT_MIB_CTL, MT_MIB_CTL_ED_TIME);
118 
119 	dev->ed_strict_mode = 0xff;
120 	dev->ed_strong_signal = 0;
121 	dev->ed_time = ktime_get_boottime();
122 
123 	mt7603_edcca_set_strict(dev, false);
124 }
125 
126 static int
127 mt7603_set_channel(struct mt7603_dev *dev, struct cfg80211_chan_def *def)
128 {
129 	u8 *rssi_data = (u8 *)dev->mt76.eeprom.data;
130 	int idx, ret;
131 	u8 bw = MT_BW_20;
132 	bool failed = false;
133 
134 	cancel_delayed_work_sync(&dev->mt76.mac_work);
135 	tasklet_disable(&dev->mt76.pre_tbtt_tasklet);
136 
137 	mutex_lock(&dev->mt76.mutex);
138 	set_bit(MT76_RESET, &dev->mt76.state);
139 
140 	mt7603_beacon_set_timer(dev, -1, 0);
141 	mt76_set_channel(&dev->mt76);
142 	mt7603_mac_stop(dev);
143 
144 	if (def->width == NL80211_CHAN_WIDTH_40)
145 		bw = MT_BW_40;
146 
147 	dev->mt76.chandef = *def;
148 	mt76_rmw_field(dev, MT_AGG_BWCR, MT_AGG_BWCR_BW, bw);
149 	ret = mt7603_mcu_set_channel(dev);
150 	if (ret) {
151 		failed = true;
152 		goto out;
153 	}
154 
155 	if (def->chan->band == NL80211_BAND_5GHZ) {
156 		idx = 1;
157 		rssi_data += MT_EE_RSSI_OFFSET_5G;
158 	} else {
159 		idx = 0;
160 		rssi_data += MT_EE_RSSI_OFFSET_2G;
161 	}
162 
163 	memcpy(dev->rssi_offset, rssi_data, sizeof(dev->rssi_offset));
164 
165 	idx |= (def->chan -
166 		mt76_hw(dev)->wiphy->bands[def->chan->band]->channels) << 1;
167 	mt76_wr(dev, MT_WF_RMAC_CH_FREQ, idx);
168 	mt7603_mac_set_timing(dev);
169 	mt7603_mac_start(dev);
170 
171 	clear_bit(MT76_RESET, &dev->mt76.state);
172 
173 	mt76_txq_schedule_all(&dev->mt76);
174 
175 	ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work,
176 				     msecs_to_jiffies(MT7603_WATCHDOG_TIME));
177 
178 	/* reset channel stats */
179 	mt76_clear(dev, MT_MIB_CTL, MT_MIB_CTL_READ_CLR_DIS);
180 	mt76_set(dev, MT_MIB_CTL,
181 		 MT_MIB_CTL_CCA_NAV_TX | MT_MIB_CTL_PSCCA_TIME);
182 	mt76_rr(dev, MT_MIB_STAT_PSCCA);
183 	mt7603_cca_stats_reset(dev);
184 
185 	dev->mt76.survey_time = ktime_get_boottime();
186 
187 	mt7603_init_edcca(dev);
188 
189 out:
190 	if (!(mt76_hw(dev)->conf.flags & IEEE80211_CONF_OFFCHANNEL))
191 		mt7603_beacon_set_timer(dev, -1, dev->mt76.beacon_int);
192 	mutex_unlock(&dev->mt76.mutex);
193 
194 	tasklet_enable(&dev->mt76.pre_tbtt_tasklet);
195 
196 	if (failed)
197 		mt7603_mac_work(&dev->mt76.mac_work.work);
198 
199 	return ret;
200 }
201 
202 static int
203 mt7603_config(struct ieee80211_hw *hw, u32 changed)
204 {
205 	struct mt7603_dev *dev = hw->priv;
206 	int ret = 0;
207 
208 	if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |
209 		       IEEE80211_CONF_CHANGE_POWER)) {
210 		ieee80211_stop_queues(hw);
211 		ret = mt7603_set_channel(dev, &hw->conf.chandef);
212 		ieee80211_wake_queues(hw);
213 	}
214 
215 	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
216 		mutex_lock(&dev->mt76.mutex);
217 
218 		if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
219 			dev->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
220 		else
221 			dev->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
222 
223 		mt76_wr(dev, MT_WF_RFCR, dev->rxfilter);
224 
225 		mutex_unlock(&dev->mt76.mutex);
226 	}
227 
228 	return ret;
229 }
230 
231 static void
232 mt7603_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags,
233 			unsigned int *total_flags, u64 multicast)
234 {
235 	struct mt7603_dev *dev = hw->priv;
236 	u32 flags = 0;
237 
238 #define MT76_FILTER(_flag, _hw) do { \
239 		flags |= *total_flags & FIF_##_flag;			\
240 		dev->rxfilter &= ~(_hw);				\
241 		dev->rxfilter |= !(flags & FIF_##_flag) * (_hw);	\
242 	} while (0)
243 
244 	dev->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
245 			   MT_WF_RFCR_DROP_OTHER_BEACON |
246 			   MT_WF_RFCR_DROP_FRAME_REPORT |
247 			   MT_WF_RFCR_DROP_PROBEREQ |
248 			   MT_WF_RFCR_DROP_MCAST_FILTERED |
249 			   MT_WF_RFCR_DROP_MCAST |
250 			   MT_WF_RFCR_DROP_BCAST |
251 			   MT_WF_RFCR_DROP_DUPLICATE |
252 			   MT_WF_RFCR_DROP_A2_BSSID |
253 			   MT_WF_RFCR_DROP_UNWANTED_CTL |
254 			   MT_WF_RFCR_DROP_STBC_MULTI);
255 
256 	MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
257 			       MT_WF_RFCR_DROP_A3_MAC |
258 			       MT_WF_RFCR_DROP_A3_BSSID);
259 
260 	MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
261 
262 	MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
263 			     MT_WF_RFCR_DROP_RTS |
264 			     MT_WF_RFCR_DROP_CTL_RSV |
265 			     MT_WF_RFCR_DROP_NDPA);
266 
267 	*total_flags = flags;
268 	mt76_wr(dev, MT_WF_RFCR, dev->rxfilter);
269 }
270 
271 static void
272 mt7603_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
273 			struct ieee80211_bss_conf *info, u32 changed)
274 {
275 	struct mt7603_dev *dev = hw->priv;
276 	struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv;
277 
278 	mutex_lock(&dev->mt76.mutex);
279 
280 	if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BSSID)) {
281 		if (info->assoc || info->ibss_joined) {
282 			mt76_wr(dev, MT_BSSID0(mvif->idx),
283 				get_unaligned_le32(info->bssid));
284 			mt76_wr(dev, MT_BSSID1(mvif->idx),
285 				(get_unaligned_le16(info->bssid + 4) |
286 				 MT_BSSID1_VALID));
287 		} else {
288 			mt76_wr(dev, MT_BSSID0(mvif->idx), 0);
289 			mt76_wr(dev, MT_BSSID1(mvif->idx), 0);
290 		}
291 	}
292 
293 	if (changed & BSS_CHANGED_ERP_SLOT) {
294 		int slottime = info->use_short_slot ? 9 : 20;
295 
296 		if (slottime != dev->slottime) {
297 			dev->slottime = slottime;
298 			mt7603_mac_set_timing(dev);
299 		}
300 	}
301 
302 	if (changed & (BSS_CHANGED_BEACON_ENABLED | BSS_CHANGED_BEACON_INT)) {
303 		int beacon_int = !!info->enable_beacon * info->beacon_int;
304 
305 		tasklet_disable(&dev->mt76.pre_tbtt_tasklet);
306 		mt7603_beacon_set_timer(dev, mvif->idx, beacon_int);
307 		tasklet_enable(&dev->mt76.pre_tbtt_tasklet);
308 	}
309 
310 	mutex_unlock(&dev->mt76.mutex);
311 }
312 
313 int
314 mt7603_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
315 	       struct ieee80211_sta *sta)
316 {
317 	struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
318 	struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv;
319 	struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv;
320 	int idx;
321 	int ret = 0;
322 
323 	idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7603_WTBL_STA - 1);
324 	if (idx < 0)
325 		return -ENOSPC;
326 
327 	__skb_queue_head_init(&msta->psq);
328 	msta->ps = ~0;
329 	msta->smps = ~0;
330 	msta->wcid.sta = 1;
331 	msta->wcid.idx = idx;
332 	mt7603_wtbl_init(dev, idx, mvif->idx, sta->addr);
333 	mt7603_wtbl_set_ps(dev, msta, false);
334 
335 	if (vif->type == NL80211_IFTYPE_AP)
336 		set_bit(MT_WCID_FLAG_CHECK_PS, &msta->wcid.flags);
337 
338 	return ret;
339 }
340 
341 void
342 mt7603_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
343 		 struct ieee80211_sta *sta)
344 {
345 	struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
346 
347 	mt7603_wtbl_update_cap(dev, sta);
348 }
349 
350 void
351 mt7603_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
352 		  struct ieee80211_sta *sta)
353 {
354 	struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
355 	struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv;
356 	struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv;
357 
358 	spin_lock_bh(&dev->ps_lock);
359 	__skb_queue_purge(&msta->psq);
360 	mt7603_filter_tx(dev, wcid->idx, true);
361 	spin_unlock_bh(&dev->ps_lock);
362 
363 	mt7603_wtbl_clear(dev, wcid->idx);
364 }
365 
366 static void
367 mt7603_ps_tx_list(struct mt7603_dev *dev, struct sk_buff_head *list)
368 {
369 	struct sk_buff *skb;
370 
371 	while ((skb = __skb_dequeue(list)) != NULL)
372 		mt76_tx_queue_skb_raw(dev, skb_get_queue_mapping(skb),
373 				      skb, 0);
374 }
375 
376 void
377 mt7603_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps)
378 {
379 	struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
380 	struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv;
381 	struct sk_buff_head list;
382 
383 	mt76_stop_tx_queues(&dev->mt76, sta, true);
384 	mt7603_wtbl_set_ps(dev, msta, ps);
385 	if (ps)
386 		return;
387 
388 	__skb_queue_head_init(&list);
389 
390 	spin_lock_bh(&dev->ps_lock);
391 	skb_queue_splice_tail_init(&msta->psq, &list);
392 	spin_unlock_bh(&dev->ps_lock);
393 
394 	mt7603_ps_tx_list(dev, &list);
395 }
396 
397 static void
398 mt7603_ps_set_more_data(struct sk_buff *skb)
399 {
400 	struct ieee80211_hdr *hdr;
401 
402 	hdr = (struct ieee80211_hdr *)&skb->data[MT_TXD_SIZE];
403 	hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
404 }
405 
406 static void
407 mt7603_release_buffered_frames(struct ieee80211_hw *hw,
408 			       struct ieee80211_sta *sta,
409 			       u16 tids, int nframes,
410 			       enum ieee80211_frame_release_type reason,
411 			       bool more_data)
412 {
413 	struct mt7603_dev *dev = hw->priv;
414 	struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv;
415 	struct sk_buff_head list;
416 	struct sk_buff *skb, *tmp;
417 
418 	__skb_queue_head_init(&list);
419 
420 	mt7603_wtbl_set_ps(dev, msta, false);
421 
422 	spin_lock_bh(&dev->ps_lock);
423 	skb_queue_walk_safe(&msta->psq, skb, tmp) {
424 		if (!nframes)
425 			break;
426 
427 		if (!(tids & BIT(skb->priority)))
428 			continue;
429 
430 		skb_set_queue_mapping(skb, MT_TXQ_PSD);
431 		__skb_unlink(skb, &msta->psq);
432 		mt7603_ps_set_more_data(skb);
433 		__skb_queue_tail(&list, skb);
434 		nframes--;
435 	}
436 	spin_unlock_bh(&dev->ps_lock);
437 
438 	if (!skb_queue_empty(&list))
439 		ieee80211_sta_eosp(sta);
440 
441 	mt7603_ps_tx_list(dev, &list);
442 
443 	if (nframes)
444 		mt76_release_buffered_frames(hw, sta, tids, nframes, reason,
445 					     more_data);
446 }
447 
448 static int
449 mt7603_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
450 	       struct ieee80211_vif *vif, struct ieee80211_sta *sta,
451 	       struct ieee80211_key_conf *key)
452 {
453 	struct mt7603_dev *dev = hw->priv;
454 	struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv;
455 	struct mt7603_sta *msta = sta ? (struct mt7603_sta *)sta->drv_priv :
456 				  &mvif->sta;
457 	struct mt76_wcid *wcid = &msta->wcid;
458 	int idx = key->keyidx;
459 
460 	/* fall back to sw encryption for unsupported ciphers */
461 	switch (key->cipher) {
462 	case WLAN_CIPHER_SUITE_TKIP:
463 	case WLAN_CIPHER_SUITE_CCMP:
464 		break;
465 	default:
466 		return -EOPNOTSUPP;
467 	}
468 
469 	/*
470 	 * The hardware does not support per-STA RX GTK, fall back
471 	 * to software mode for these.
472 	 */
473 	if ((vif->type == NL80211_IFTYPE_ADHOC ||
474 	     vif->type == NL80211_IFTYPE_MESH_POINT) &&
475 	    (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
476 	     key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
477 	    !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
478 		return -EOPNOTSUPP;
479 
480 	if (cmd == SET_KEY) {
481 		key->hw_key_idx = wcid->idx;
482 		wcid->hw_key_idx = idx;
483 	} else {
484 		if (idx == wcid->hw_key_idx)
485 			wcid->hw_key_idx = -1;
486 
487 		key = NULL;
488 	}
489 	mt76_wcid_key_setup(&dev->mt76, wcid, key);
490 
491 	return mt7603_wtbl_set_key(dev, wcid->idx, key);
492 }
493 
494 static int
495 mt7603_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
496 	       const struct ieee80211_tx_queue_params *params)
497 {
498 	struct mt7603_dev *dev = hw->priv;
499 	u16 cw_min = (1 << 5) - 1;
500 	u16 cw_max = (1 << 10) - 1;
501 	u32 val;
502 
503 	queue = dev->mt76.q_tx[queue].q->hw_idx;
504 
505 	if (params->cw_min)
506 		cw_min = params->cw_min;
507 	if (params->cw_max)
508 		cw_max = params->cw_max;
509 
510 	mutex_lock(&dev->mt76.mutex);
511 	mt7603_mac_stop(dev);
512 
513 	val = mt76_rr(dev, MT_WMM_TXOP(queue));
514 	val &= ~(MT_WMM_TXOP_MASK << MT_WMM_TXOP_SHIFT(queue));
515 	val |= params->txop << MT_WMM_TXOP_SHIFT(queue);
516 	mt76_wr(dev, MT_WMM_TXOP(queue), val);
517 
518 	val = mt76_rr(dev, MT_WMM_AIFSN);
519 	val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(queue));
520 	val |= params->aifs << MT_WMM_AIFSN_SHIFT(queue);
521 	mt76_wr(dev, MT_WMM_AIFSN, val);
522 
523 	val = mt76_rr(dev, MT_WMM_CWMIN);
524 	val &= ~(MT_WMM_CWMIN_MASK << MT_WMM_CWMIN_SHIFT(queue));
525 	val |= cw_min << MT_WMM_CWMIN_SHIFT(queue);
526 	mt76_wr(dev, MT_WMM_CWMIN, val);
527 
528 	val = mt76_rr(dev, MT_WMM_CWMAX(queue));
529 	val &= ~(MT_WMM_CWMAX_MASK << MT_WMM_CWMAX_SHIFT(queue));
530 	val |= cw_max << MT_WMM_CWMAX_SHIFT(queue);
531 	mt76_wr(dev, MT_WMM_CWMAX(queue), val);
532 
533 	mt7603_mac_start(dev);
534 	mutex_unlock(&dev->mt76.mutex);
535 
536 	return 0;
537 }
538 
539 static void
540 mt7603_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
541 	     u32 queues, bool drop)
542 {
543 }
544 
545 static int
546 mt7603_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
547 		    struct ieee80211_ampdu_params *params)
548 {
549 	enum ieee80211_ampdu_mlme_action action = params->action;
550 	struct mt7603_dev *dev = hw->priv;
551 	struct ieee80211_sta *sta = params->sta;
552 	struct ieee80211_txq *txq = sta->txq[params->tid];
553 	struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv;
554 	u16 tid = params->tid;
555 	u16 ssn = params->ssn;
556 	u8 ba_size = params->buf_size;
557 	struct mt76_txq *mtxq;
558 
559 	if (!txq)
560 		return -EINVAL;
561 
562 	mtxq = (struct mt76_txq *)txq->drv_priv;
563 
564 	switch (action) {
565 	case IEEE80211_AMPDU_RX_START:
566 		mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
567 				   params->buf_size);
568 		mt7603_mac_rx_ba_reset(dev, sta->addr, tid);
569 		break;
570 	case IEEE80211_AMPDU_RX_STOP:
571 		mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
572 		break;
573 	case IEEE80211_AMPDU_TX_OPERATIONAL:
574 		mtxq->aggr = true;
575 		mtxq->send_bar = false;
576 		mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, ba_size);
577 		break;
578 	case IEEE80211_AMPDU_TX_STOP_FLUSH:
579 	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
580 		mtxq->aggr = false;
581 		mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, -1);
582 		break;
583 	case IEEE80211_AMPDU_TX_START:
584 		mtxq->agg_ssn = IEEE80211_SN_TO_SEQ(ssn);
585 		ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
586 		break;
587 	case IEEE80211_AMPDU_TX_STOP_CONT:
588 		mtxq->aggr = false;
589 		mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, -1);
590 		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
591 		break;
592 	}
593 
594 	return 0;
595 }
596 
597 static void
598 mt7603_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
599 			   struct ieee80211_sta *sta)
600 {
601 	struct mt7603_dev *dev = hw->priv;
602 	struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv;
603 	struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates);
604 	int i;
605 
606 	spin_lock_bh(&dev->mt76.lock);
607 	for (i = 0; i < ARRAY_SIZE(msta->rates); i++) {
608 		msta->rates[i].idx = sta_rates->rate[i].idx;
609 		msta->rates[i].count = sta_rates->rate[i].count;
610 		msta->rates[i].flags = sta_rates->rate[i].flags;
611 
612 		if (msta->rates[i].idx < 0 || !msta->rates[i].count)
613 			break;
614 	}
615 	msta->n_rates = i;
616 	mt7603_wtbl_set_rates(dev, msta, NULL, msta->rates);
617 	msta->rate_probe = false;
618 	mt7603_wtbl_set_smps(dev, msta,
619 			     sta->smps_mode == IEEE80211_SMPS_DYNAMIC);
620 	spin_unlock_bh(&dev->mt76.lock);
621 }
622 
623 static void
624 mt7603_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
625 {
626 	struct mt7603_dev *dev = hw->priv;
627 
628 	dev->coverage_class = coverage_class;
629 	mt7603_mac_set_timing(dev);
630 }
631 
632 static void mt7603_tx(struct ieee80211_hw *hw,
633 		      struct ieee80211_tx_control *control,
634 		      struct sk_buff *skb)
635 {
636 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
637 	struct ieee80211_vif *vif = info->control.vif;
638 	struct mt7603_dev *dev = hw->priv;
639 	struct mt76_wcid *wcid = &dev->global_sta.wcid;
640 
641 	if (control->sta) {
642 		struct mt7603_sta *msta;
643 
644 		msta = (struct mt7603_sta *)control->sta->drv_priv;
645 		wcid = &msta->wcid;
646 	} else if (vif) {
647 		struct mt7603_vif *mvif;
648 
649 		mvif = (struct mt7603_vif *)vif->drv_priv;
650 		wcid = &mvif->sta.wcid;
651 	}
652 
653 	mt76_tx(&dev->mt76, control->sta, wcid, skb);
654 }
655 
656 const struct ieee80211_ops mt7603_ops = {
657 	.tx = mt7603_tx,
658 	.start = mt7603_start,
659 	.stop = mt7603_stop,
660 	.add_interface = mt7603_add_interface,
661 	.remove_interface = mt7603_remove_interface,
662 	.config = mt7603_config,
663 	.configure_filter = mt7603_configure_filter,
664 	.bss_info_changed = mt7603_bss_info_changed,
665 	.sta_state = mt76_sta_state,
666 	.set_key = mt7603_set_key,
667 	.conf_tx = mt7603_conf_tx,
668 	.sw_scan_start = mt76_sw_scan,
669 	.sw_scan_complete = mt76_sw_scan_complete,
670 	.flush = mt7603_flush,
671 	.ampdu_action = mt7603_ampdu_action,
672 	.get_txpower = mt76_get_txpower,
673 	.wake_tx_queue = mt76_wake_tx_queue,
674 	.sta_rate_tbl_update = mt7603_sta_rate_tbl_update,
675 	.release_buffered_frames = mt7603_release_buffered_frames,
676 	.set_coverage_class = mt7603_set_coverage_class,
677 	.set_tim = mt76_set_tim,
678 	.get_survey = mt76_get_survey,
679 };
680 
681 MODULE_LICENSE("Dual BSD/GPL");
682 
683 static int __init mt7603_init(void)
684 {
685 	int ret;
686 
687 	ret = platform_driver_register(&mt76_wmac_driver);
688 	if (ret)
689 		return ret;
690 
691 #ifdef CONFIG_PCI
692 	ret = pci_register_driver(&mt7603_pci_driver);
693 	if (ret)
694 		platform_driver_unregister(&mt76_wmac_driver);
695 #endif
696 	return ret;
697 }
698 
699 static void __exit mt7603_exit(void)
700 {
701 #ifdef CONFIG_PCI
702 	pci_unregister_driver(&mt7603_pci_driver);
703 #endif
704 	platform_driver_unregister(&mt76_wmac_driver);
705 }
706 
707 module_init(mt7603_init);
708 module_exit(mt7603_exit);
709