main.c

   1// SPDX-License-Identifier: BSD-3-Clause-Clear
   2/* Copyright (C) 2019 MediaTek Inc.
   3 *
   4 * Author: Roy Luo <royluo@google.com>
   5 *         Ryder Lee <ryder.lee@mediatek.com>
   6 *         Felix Fietkau <nbd@nbd.name>
   7 *         Lorenzo Bianconi <lorenzo@kernel.org>
   8 */
   9
  10#include <linux/etherdevice.h>
  11#include <linux/module.h>
  12#include "mt7615.h"
  13#include "mcu.h"
  14
  15static bool mt7615_dev_running(struct mt7615_dev *dev)
  16{
  17	struct mt7615_phy *phy;
  18
  19	if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
  20		return true;
  21
  22	phy = mt7615_ext_phy(dev);
  23
  24	return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state);
  25}
  26
  27static int mt7615_start(struct ieee80211_hw *hw)
  28{
  29	struct mt7615_dev *dev = mt7615_hw_dev(hw);
  30	struct mt7615_phy *phy = mt7615_hw_phy(hw);
  31	unsigned long timeout;
  32	bool running;
  33	int ret;
  34
  35	if (!mt7615_wait_for_mcu_init(dev))
  36		return -EIO;
  37
  38	mt7615_mutex_acquire(dev);
  39
  40	running = mt7615_dev_running(dev);
  41
  42	if (!running) {
  43		ret = mt7615_mcu_set_pm(dev, 0, 0);
  44		if (ret)
  45			goto out;
  46
  47		ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, true, false);
  48		if (ret)
  49			goto out;
  50
  51		mt7615_mac_enable_nf(dev, 0);
  52	}
  53
  54	if (phy != &dev->phy) {
  55		ret = mt7615_mcu_set_pm(dev, 1, 0);
  56		if (ret)
  57			goto out;
  58
  59		ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, true, false);
  60		if (ret)
  61			goto out;
  62
  63		mt7615_mac_enable_nf(dev, 1);
  64	}
  65
  66	if (mt7615_firmware_offload(dev)) {
  67		ret = mt76_connac_mcu_set_channel_domain(phy->mt76);
  68		if (ret)
  69			goto out;
  70
  71		ret = mt76_connac_mcu_set_rate_txpower(phy->mt76);
  72		if (ret)
  73			goto out;
  74	}
  75
  76	ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH));
  77	if (ret)
  78		goto out;
  79
  80	set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
  81
  82	timeout = mt7615_get_macwork_timeout(dev);
  83	ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout);
  84
  85	if (!running)
  86		mt7615_mac_reset_counters(phy);
  87
  88out:
  89	mt7615_mutex_release(dev);
  90
  91	return ret;
  92}
  93
  94static void mt7615_stop(struct ieee80211_hw *hw, bool suspend)
  95{
  96	struct mt7615_dev *dev = mt7615_hw_dev(hw);
  97	struct mt7615_phy *phy = mt7615_hw_phy(hw);
  98
  99	cancel_delayed_work_sync(&phy->mt76->mac_work);
 100	timer_delete_sync(&phy->roc_timer);
 101	cancel_work_sync(&phy->roc_work);
 102
 103	cancel_delayed_work_sync(&dev->pm.ps_work);
 104	cancel_work_sync(&dev->pm.wake_work);
 105
 106	mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
 107
 108	mt7615_mutex_acquire(dev);
 109
 110	mt76_testmode_reset(phy->mt76, true);
 111
 112	clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
 113	cancel_delayed_work_sync(&phy->scan_work);
 114
 115	if (phy != &dev->phy) {
 116		mt7615_mcu_set_pm(dev, 1, 1);
 117		mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, false, false);
 118	}
 119
 120	if (!mt7615_dev_running(dev)) {
 121		mt7615_mcu_set_pm(dev, 0, 1);
 122		mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, false, false);
 123	}
 124
 125	mt7615_mutex_release(dev);
 126}
 127
 128static inline int get_free_idx(u32 mask, u8 start, u8 end)
 129{
 130	return ffs(~mask & GENMASK(end, start));
 131}
 132
 133static int get_omac_idx(enum nl80211_iftype type, u64 mask)
 134{
 135	int i;
 136
 137	switch (type) {
 138	case NL80211_IFTYPE_STATION:
 139		/* prefer hw bssid slot 1-3 */
 140		i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3);
 141		if (i)
 142			return i - 1;
 143
 144		/* next, try to find a free repeater entry for the sta */
 145		i = get_free_idx(mask >> REPEATER_BSSID_START, 0,
 146				 REPEATER_BSSID_MAX - REPEATER_BSSID_START);
 147		if (i)
 148			return i + 32 - 1;
 149
 150		i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
 151		if (i)
 152			return i - 1;
 153
 154		if (~mask & BIT(HW_BSSID_0))
 155			return HW_BSSID_0;
 156
 157		break;
 158	case NL80211_IFTYPE_ADHOC:
 159	case NL80211_IFTYPE_MESH_POINT:
 160	case NL80211_IFTYPE_MONITOR:
 161	case NL80211_IFTYPE_AP:
 162		/* ap uses hw bssid 0 and ext bssid */
 163		if (~mask & BIT(HW_BSSID_0))
 164			return HW_BSSID_0;
 165
 166		i = get_free_idx(mask, EXT_BSSID_1, EXT_BSSID_MAX);
 167		if (i)
 168			return i - 1;
 169
 170		break;
 171	default:
 172		WARN_ON(1);
 173		break;
 174	}
 175
 176	return -1;
 177}
 178
 179static int mt7615_add_interface(struct ieee80211_hw *hw,
 180				struct ieee80211_vif *vif)
 181{
 182	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
 183	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 184	struct mt7615_phy *phy = mt7615_hw_phy(hw);
 185	struct mt76_txq *mtxq;
 186	bool ext_phy = phy != &dev->phy;
 187	int idx, ret = 0;
 188
 189	mt7615_mutex_acquire(dev);
 190
 191	mt76_testmode_reset(phy->mt76, true);
 192
 193	if (vif->type == NL80211_IFTYPE_MONITOR &&
 194	    is_zero_ether_addr(vif->addr))
 195		phy->monitor_vif = vif;
 196
 197	mvif->mt76.idx = __ffs64(~dev->mt76.vif_mask);
 198	if (mvif->mt76.idx >= MT7615_MAX_INTERFACES) {
 199		ret = -ENOSPC;
 200		goto out;
 201	}
 202
 203	idx = get_omac_idx(vif->type, dev->omac_mask);
 204	if (idx < 0) {
 205		ret = -ENOSPC;
 206		goto out;
 207	}
 208	mvif->mt76.omac_idx = idx;
 209
 210	mvif->mt76.band_idx = ext_phy;
 211	mvif->mt76.wmm_idx = vif->type != NL80211_IFTYPE_AP;
 212	mvif->mt76.wcid = &mvif->sta.wcid;
 213	if (ext_phy)
 214		mvif->mt76.wmm_idx += 2;
 215
 216	dev->mt76.vif_mask |= BIT_ULL(mvif->mt76.idx);
 217	dev->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
 218	phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx);
 219
 220	ret = mt7615_mcu_set_dbdc(dev);
 221	if (ret)
 222		goto out;
 223
 224	idx = MT7615_WTBL_RESERVED - mvif->mt76.idx;
 225
 226	INIT_LIST_HEAD(&mvif->sta.wcid.poll_list);
 227	mvif->sta.wcid.idx = idx;
 228	mt76_wcid_init(&mvif->sta.wcid, mvif->mt76.band_idx);
 229
 230	mt7615_mac_wtbl_update(dev, idx,
 231			       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
 232
 233	rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
 234	if (vif->txq) {
 235		mtxq = (struct mt76_txq *)vif->txq->drv_priv;
 236		mtxq->wcid = idx;
 237	}
 238
 239	ret = mt7615_mcu_add_dev_info(phy, vif, true);
 240out:
 241	mt7615_mutex_release(dev);
 242
 243	return ret;
 244}
 245
 246static void mt7615_remove_interface(struct ieee80211_hw *hw,
 247				    struct ieee80211_vif *vif)
 248{
 249	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
 250	struct mt7615_sta *msta = &mvif->sta;
 251	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 252	struct mt7615_phy *phy = mt7615_hw_phy(hw);
 253	int idx = msta->wcid.idx;
 254
 255	mt7615_mutex_acquire(dev);
 256
 257	mt7615_mcu_add_bss_info(phy, vif, NULL, false);
 258	mt7615_mcu_sta_add(phy, vif, NULL, false);
 259
 260	mt76_testmode_reset(phy->mt76, true);
 261	if (vif == phy->monitor_vif)
 262	    phy->monitor_vif = NULL;
 263
 264	mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
 265
 266	mt7615_mcu_add_dev_info(phy, vif, false);
 267
 268	rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
 269
 270	dev->mt76.vif_mask &= ~BIT_ULL(mvif->mt76.idx);
 271	dev->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
 272	phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx);
 273
 274	mt7615_mutex_release(dev);
 275
 276	spin_lock_bh(&dev->mt76.sta_poll_lock);
 277	if (!list_empty(&msta->wcid.poll_list))
 278		list_del_init(&msta->wcid.poll_list);
 279	spin_unlock_bh(&dev->mt76.sta_poll_lock);
 280
 281	mt76_wcid_cleanup(&dev->mt76, &mvif->sta.wcid);
 282}
 283
 284int mt7615_set_channel(struct mt76_phy *mphy)
 285{
 286	struct mt7615_phy *phy = mphy->priv;
 287	struct mt7615_dev *dev = phy->dev;
 288	bool ext_phy = phy != &dev->phy;
 289	int ret;
 290
 291	mt76_connac_pm_wake(mphy, &dev->pm);
 292
 293	if (is_mt7615(&dev->mt76) && dev->flash_eeprom) {
 294		ret = mt7615_mcu_apply_rx_dcoc(phy);
 295		if (ret)
 296			goto out;
 297
 298		ret = mt7615_mcu_apply_tx_dpd(phy);
 299		if (ret)
 300			goto out;
 301	}
 302
 303	ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD(CHANNEL_SWITCH));
 304	if (ret)
 305		goto out;
 306
 307	mt7615_mac_set_timing(phy);
 308	ret = mt7615_dfs_init_radar_detector(phy);
 309	if (ret)
 310		goto out;
 311
 312	mt7615_mac_cca_stats_reset(phy);
 313	ret = mt7615_mcu_set_sku_en(phy, true);
 314	if (ret)
 315		goto out;
 316
 317	mt7615_mac_reset_counters(phy);
 318	phy->noise = 0;
 319	phy->chfreq = mt76_rr(dev, MT_CHFREQ(ext_phy));
 320
 321out:
 322	mt76_connac_power_save_sched(mphy, &dev->pm);
 323
 324	if (!mt76_testmode_enabled(phy->mt76)) {
 325		unsigned long timeout = mt7615_get_macwork_timeout(dev);
 326
 327		ieee80211_queue_delayed_work(phy->mt76->hw,
 328					     &phy->mt76->mac_work, timeout);
 329	}
 330
 331	return ret;
 332}
 333EXPORT_SYMBOL_GPL(mt7615_set_channel);
 334
 335static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 336			  struct ieee80211_vif *vif, struct ieee80211_sta *sta,
 337			  struct ieee80211_key_conf *key)
 338{
 339	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 340	struct mt7615_phy *phy = mt7615_hw_phy(hw);
 341	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
 342	struct mt7615_sta *msta = sta ? (struct mt7615_sta *)sta->drv_priv :
 343				  &mvif->sta;
 344	struct mt76_wcid *wcid = &msta->wcid;
 345	int idx = key->keyidx, err = 0;
 346	u8 *wcid_keyidx = &wcid->hw_key_idx;
 347
 348	/* The hardware does not support per-STA RX GTK, fallback
 349	 * to software mode for these.
 350	 */
 351	if ((vif->type == NL80211_IFTYPE_ADHOC ||
 352	     vif->type == NL80211_IFTYPE_MESH_POINT) &&
 353	    (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
 354	     key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
 355	    !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
 356		return -EOPNOTSUPP;
 357
 358	/* fall back to sw encryption for unsupported ciphers */
 359	switch (key->cipher) {
 360	case WLAN_CIPHER_SUITE_AES_CMAC:
 361		wcid_keyidx = &wcid->hw_key_idx2;
 362		key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
 363		break;
 364	case WLAN_CIPHER_SUITE_TKIP:
 365	case WLAN_CIPHER_SUITE_CCMP:
 366	case WLAN_CIPHER_SUITE_CCMP_256:
 367	case WLAN_CIPHER_SUITE_GCMP:
 368	case WLAN_CIPHER_SUITE_GCMP_256:
 369	case WLAN_CIPHER_SUITE_SMS4:
 370		break;
 371	case WLAN_CIPHER_SUITE_WEP40:
 372	case WLAN_CIPHER_SUITE_WEP104:
 373	default:
 374		return -EOPNOTSUPP;
 375	}
 376
 377	mt7615_mutex_acquire(dev);
 378
 379	if (cmd == SET_KEY && !sta && !mvif->mt76.cipher) {
 380		mvif->mt76.cipher = mt76_connac_mcu_get_cipher(key->cipher);
 381		mt7615_mcu_add_bss_info(phy, vif, NULL, true);
 382	}
 383
 384	if (cmd == SET_KEY)
 385		*wcid_keyidx = idx;
 386	else {
 387		if (idx == *wcid_keyidx)
 388			*wcid_keyidx = -1;
 389		goto out;
 390	}
 391
 392	mt76_wcid_key_setup(&dev->mt76, wcid, key);
 393	if (mt76_is_mmio(&dev->mt76))
 394		err = mt7615_mac_wtbl_set_key(dev, wcid, key);
 395	else
 396		err = __mt7615_mac_wtbl_set_key(dev, wcid, key);
 397
 398out:
 399	mt7615_mutex_release(dev);
 400
 401	return err;
 402}
 403
 404static int mt7615_set_sar_specs(struct ieee80211_hw *hw,
 405				const struct cfg80211_sar_specs *sar)
 406{
 407	struct mt7615_phy *phy = mt7615_hw_phy(hw);
 408	int err;
 409
 410	if (!cfg80211_chandef_valid(&phy->mt76->chandef))
 411		return -EINVAL;
 412
 413	err = mt76_init_sar_power(hw, sar);
 414	if (err)
 415		return err;
 416
 417	if (mt7615_firmware_offload(phy->dev))
 418		return mt76_connac_mcu_set_rate_txpower(phy->mt76);
 419
 420	return mt76_update_channel(phy->mt76);
 421}
 422
 423static int mt7615_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
 424{
 425	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 426	struct mt7615_phy *phy = mt7615_hw_phy(hw);
 427	bool band = phy != &dev->phy;
 428	int ret = 0;
 429
 430	if (changed & (IEEE80211_CONF_CHANGE_CHANNEL |
 431		       IEEE80211_CONF_CHANGE_POWER)) {
 432#ifdef CONFIG_NL80211_TESTMODE
 433		if (phy->mt76->test.state != MT76_TM_STATE_OFF) {
 434			mt7615_mutex_acquire(dev);
 435			mt76_testmode_reset(phy->mt76, false);
 436			mt7615_mutex_release(dev);
 437		}
 438#endif
 439		ret = mt76_update_channel(phy->mt76);
 440	}
 441
 442	mt7615_mutex_acquire(dev);
 443
 444	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
 445		mt76_testmode_reset(phy->mt76, true);
 446
 447		if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
 448			phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
 449		else
 450			phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
 451
 452		mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
 453	}
 454
 455	mt7615_mutex_release(dev);
 456
 457	return ret;
 458}
 459
 460static int
 461mt7615_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 462	       unsigned int link_id, u16 queue,
 463	       const struct ieee80211_tx_queue_params *params)
 464{
 465	struct mt76_vif_link *mvif = (struct mt76_vif_link *)vif->drv_priv;
 466	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 467	int err;
 468
 469	mt7615_mutex_acquire(dev);
 470
 471	queue = mt7615_lmac_mapping(dev, queue);
 472	queue += mvif->wmm_idx * MT7615_MAX_WMM_SETS;
 473	err = mt7615_mcu_set_wmm(dev, queue, params);
 474
 475	mt7615_mutex_release(dev);
 476
 477	return err;
 478}
 479
 480static void mt7615_configure_filter(struct ieee80211_hw *hw,
 481				    unsigned int changed_flags,
 482				    unsigned int *total_flags,
 483				    u64 multicast)
 484{
 485	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 486	struct mt7615_phy *phy = mt7615_hw_phy(hw);
 487	bool band = phy != &dev->phy;
 488
 489	u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
 490			MT_WF_RFCR1_DROP_BF_POLL |
 491			MT_WF_RFCR1_DROP_BA |
 492			MT_WF_RFCR1_DROP_CFEND |
 493			MT_WF_RFCR1_DROP_CFACK;
 494	u32 flags = 0;
 495
 496	mt7615_mutex_acquire(dev);
 497
 498#define MT76_FILTER(_flag, _hw) do { \
 499		flags |= *total_flags & FIF_##_flag;			\
 500		phy->rxfilter &= ~(_hw);				\
 501		if (!mt76_testmode_enabled(phy->mt76))			\
 502			phy->rxfilter |= !(flags & FIF_##_flag) * (_hw);\
 503	} while (0)
 504
 505	phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
 506			   MT_WF_RFCR_DROP_FRAME_REPORT |
 507			   MT_WF_RFCR_DROP_PROBEREQ |
 508			   MT_WF_RFCR_DROP_MCAST_FILTERED |
 509			   MT_WF_RFCR_DROP_MCAST |
 510			   MT_WF_RFCR_DROP_BCAST |
 511			   MT_WF_RFCR_DROP_DUPLICATE |
 512			   MT_WF_RFCR_DROP_A2_BSSID |
 513			   MT_WF_RFCR_DROP_UNWANTED_CTL |
 514			   MT_WF_RFCR_DROP_STBC_MULTI);
 515
 516	if (phy->n_beacon_vif || !mt7615_firmware_offload(dev))
 517		phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_BEACON;
 518
 519	MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
 520			       MT_WF_RFCR_DROP_A3_MAC |
 521			       MT_WF_RFCR_DROP_A3_BSSID);
 522
 523	MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
 524
 525	MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
 526			     MT_WF_RFCR_DROP_RTS |
 527			     MT_WF_RFCR_DROP_CTL_RSV |
 528			     MT_WF_RFCR_DROP_NDPA);
 529
 530	*total_flags = flags;
 531	mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
 532
 533	if (*total_flags & FIF_CONTROL)
 534		mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
 535	else
 536		mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
 537
 538	mt7615_mutex_release(dev);
 539}
 540
 541static void
 542mt7615_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 543		       struct ieee80211_bss_conf *info)
 544{
 545	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
 546	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 547	u8 i, band = mvif->mt76.band_idx;
 548	u32 *mu;
 549
 550	mu = (u32 *)info->mu_group.membership;
 551	for (i = 0; i < WLAN_MEMBERSHIP_LEN / sizeof(*mu); i++) {
 552		if (is_mt7663(&dev->mt76))
 553			mt76_wr(dev, MT7663_WF_PHY_GID_TAB_VLD(band, i), mu[i]);
 554		else
 555			mt76_wr(dev, MT_WF_PHY_GID_TAB_VLD(band, i), mu[i]);
 556	}
 557
 558	mu = (u32 *)info->mu_group.position;
 559	for (i = 0; i < WLAN_USER_POSITION_LEN / sizeof(*mu); i++) {
 560		if (is_mt7663(&dev->mt76))
 561			mt76_wr(dev, MT7663_WF_PHY_GID_TAB_POS(band, i), mu[i]);
 562		else
 563			mt76_wr(dev, MT_WF_PHY_GID_TAB_POS(band, i), mu[i]);
 564	}
 565}
 566
 567static void mt7615_bss_info_changed(struct ieee80211_hw *hw,
 568				    struct ieee80211_vif *vif,
 569				    struct ieee80211_bss_conf *info,
 570				    u64 changed)
 571{
 572	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 573	struct mt7615_phy *phy = mt7615_hw_phy(hw);
 574
 575	mt7615_mutex_acquire(dev);
 576
 577	if (changed & BSS_CHANGED_ERP_SLOT) {
 578		int slottime = info->use_short_slot ? 9 : 20;
 579
 580		if (slottime != phy->slottime) {
 581			phy->slottime = slottime;
 582			mt7615_mac_set_timing(phy);
 583		}
 584	}
 585
 586	if (changed & BSS_CHANGED_ERP_CTS_PROT)
 587		mt7615_mac_enable_rtscts(dev, vif, info->use_cts_prot);
 588
 589	if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
 590		mt7615_mcu_add_bss_info(phy, vif, NULL, true);
 591		mt7615_mcu_sta_add(phy, vif, NULL, true);
 592
 593		if (mt7615_firmware_offload(dev) && vif->p2p)
 594			mt76_connac_mcu_set_p2p_oppps(hw, vif);
 595	}
 596
 597	if (changed & (BSS_CHANGED_BEACON |
 598		       BSS_CHANGED_BEACON_ENABLED))
 599		mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon);
 600
 601	if (changed & BSS_CHANGED_PS)
 602		mt76_connac_mcu_set_vif_ps(&dev->mt76, vif);
 603
 604	if ((changed & BSS_CHANGED_ARP_FILTER) &&
 605	    mt7615_firmware_offload(dev)) {
 606		struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
 607
 608		mt76_connac_mcu_update_arp_filter(&dev->mt76, &mvif->mt76,
 609						  info);
 610	}
 611
 612	if (changed & BSS_CHANGED_ASSOC)
 613		mt7615_mac_set_beacon_filter(phy, vif, vif->cfg.assoc);
 614
 615	if (changed & BSS_CHANGED_MU_GROUPS)
 616		 mt7615_update_mu_group(hw, vif, info);
 617
 618	mt7615_mutex_release(dev);
 619}
 620
 621static void
 622mt7615_channel_switch_beacon(struct ieee80211_hw *hw,
 623			     struct ieee80211_vif *vif,
 624			     struct cfg80211_chan_def *chandef)
 625{
 626	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 627
 628	mt7615_mutex_acquire(dev);
 629	mt7615_mcu_add_beacon(dev, hw, vif, true);
 630	mt7615_mutex_release(dev);
 631}
 632
 633int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 634		       struct ieee80211_sta *sta)
 635{
 636	struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
 637	struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
 638	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
 639	struct mt7615_phy *phy;
 640	int idx, err;
 641
 642	idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
 643	if (idx < 0)
 644		return -ENOSPC;
 645
 646	INIT_LIST_HEAD(&msta->wcid.poll_list);
 647	msta->vif = mvif;
 648	msta->wcid.sta = 1;
 649	msta->wcid.idx = idx;
 650	msta->wcid.phy_idx = mvif->mt76.band_idx;
 651
 652	phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
 653	err = mt76_connac_pm_wake(phy->mt76, &dev->pm);
 654	if (err)
 655		return err;
 656
 657	if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
 658		err = mt7615_mcu_add_bss_info(phy, vif, sta, true);
 659		if (err)
 660			return err;
 661	}
 662
 663	mt7615_mac_wtbl_update(dev, idx,
 664			       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
 665	err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true);
 666	if (err)
 667		return err;
 668
 669	mt76_connac_power_save_sched(phy->mt76, &dev->pm);
 670
 671	return err;
 672}
 673EXPORT_SYMBOL_GPL(mt7615_mac_sta_add);
 674
 675void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 676			   struct ieee80211_sta *sta)
 677{
 678	struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
 679	struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
 680	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
 681	struct mt7615_phy *phy;
 682
 683	mt76_connac_free_pending_tx_skbs(&dev->pm, &msta->wcid);
 684
 685	phy = mvif->mt76.band_idx ? mt7615_ext_phy(dev) : &dev->phy;
 686	mt76_connac_pm_wake(phy->mt76, &dev->pm);
 687
 688	mt7615_mcu_sta_add(&dev->phy, vif, sta, false);
 689	mt7615_mac_wtbl_update(dev, msta->wcid.idx,
 690			       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
 691	if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
 692		mt7615_mcu_add_bss_info(phy, vif, sta, false);
 693
 694	spin_lock_bh(&mdev->sta_poll_lock);
 695	if (!list_empty(&msta->wcid.poll_list))
 696		list_del_init(&msta->wcid.poll_list);
 697	spin_unlock_bh(&mdev->sta_poll_lock);
 698
 699	mt76_connac_power_save_sched(phy->mt76, &dev->pm);
 700}
 701EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove);
 702
 703static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw,
 704				       struct ieee80211_vif *vif,
 705				       struct ieee80211_sta *sta)
 706{
 707	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 708	struct mt7615_phy *phy = mt7615_hw_phy(hw);
 709	struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
 710	struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates);
 711	int i;
 712
 713	if (!sta_rates)
 714		return;
 715
 716	spin_lock_bh(&dev->mt76.lock);
 717	for (i = 0; i < ARRAY_SIZE(msta->rates); i++) {
 718		msta->rates[i].idx = sta_rates->rate[i].idx;
 719		msta->rates[i].count = sta_rates->rate[i].count;
 720		msta->rates[i].flags = sta_rates->rate[i].flags;
 721
 722		if (msta->rates[i].idx < 0 || !msta->rates[i].count)
 723			break;
 724	}
 725	msta->n_rates = i;
 726	if (mt76_connac_pm_ref(phy->mt76, &dev->pm)) {
 727		mt7615_mac_set_rates(phy, msta, NULL, msta->rates);
 728		mt76_connac_pm_unref(phy->mt76, &dev->pm);
 729	}
 730	spin_unlock_bh(&dev->mt76.lock);
 731}
 732
 733void mt7615_tx_worker(struct mt76_worker *w)
 734{
 735	struct mt7615_dev *dev = container_of(w, struct mt7615_dev,
 736					      mt76.tx_worker);
 737
 738	if (!mt76_connac_pm_ref(&dev->mphy, &dev->pm)) {
 739		queue_work(dev->mt76.wq, &dev->pm.wake_work);
 740		return;
 741	}
 742
 743	mt76_tx_worker_run(&dev->mt76);
 744	mt76_connac_pm_unref(&dev->mphy, &dev->pm);
 745}
 746
 747static void mt7615_tx(struct ieee80211_hw *hw,
 748		      struct ieee80211_tx_control *control,
 749		      struct sk_buff *skb)
 750{
 751	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 752	struct mt76_phy *mphy = hw->priv;
 753	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 754	struct ieee80211_vif *vif = info->control.vif;
 755	struct mt76_wcid *wcid = &dev->mt76.global_wcid;
 756	struct mt7615_sta *msta = NULL;
 757	int qid;
 758
 759	if (control->sta) {
 760		msta = (struct mt7615_sta *)control->sta->drv_priv;
 761		wcid = &msta->wcid;
 762	}
 763
 764	if (vif && !control->sta) {
 765		struct mt7615_vif *mvif;
 766
 767		mvif = (struct mt7615_vif *)vif->drv_priv;
 768		msta = &mvif->sta;
 769		wcid = &msta->wcid;
 770	}
 771
 772	if (mt76_connac_pm_ref(mphy, &dev->pm)) {
 773		mt76_tx(mphy, control->sta, wcid, skb);
 774		mt76_connac_pm_unref(mphy, &dev->pm);
 775		return;
 776	}
 777
 778	qid = skb_get_queue_mapping(skb);
 779	if (qid >= MT_TXQ_PSD) {
 780		qid = IEEE80211_AC_BE;
 781		skb_set_queue_mapping(skb, qid);
 782	}
 783
 784	mt76_connac_pm_queue_skb(hw, &dev->pm, wcid, skb);
 785}
 786
 787static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx,
 788				    u32 val)
 789{
 790	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 791	struct mt7615_phy *phy = mt7615_hw_phy(hw);
 792	int err, band = phy != &dev->phy;
 793
 794	mt7615_mutex_acquire(dev);
 795	err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band);
 796	mt7615_mutex_release(dev);
 797
 798	return err;
 799}
 800
 801static int
 802mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 803		    struct ieee80211_ampdu_params *params)
 804{
 805	enum ieee80211_ampdu_mlme_action action = params->action;
 806	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 807	struct ieee80211_sta *sta = params->sta;
 808	struct ieee80211_txq *txq = sta->txq[params->tid];
 809	struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
 810	u16 tid = params->tid;
 811	u16 ssn = params->ssn;
 812	struct mt76_txq *mtxq;
 813	int ret = 0;
 814
 815	if (!txq)
 816		return -EINVAL;
 817
 818	mtxq = (struct mt76_txq *)txq->drv_priv;
 819
 820	mt7615_mutex_acquire(dev);
 821
 822	switch (action) {
 823	case IEEE80211_AMPDU_RX_START:
 824		mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
 825				   params->buf_size);
 826		ret = mt7615_mcu_add_rx_ba(dev, params, true);
 827		break;
 828	case IEEE80211_AMPDU_RX_STOP:
 829		mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
 830		ret = mt7615_mcu_add_rx_ba(dev, params, false);
 831		break;
 832	case IEEE80211_AMPDU_TX_OPERATIONAL:
 833		mtxq->aggr = true;
 834		mtxq->send_bar = false;
 835		ret = mt7615_mcu_add_tx_ba(dev, params, true);
 836		ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
 837		ieee80211_send_bar(vif, sta->addr, tid,
 838				   IEEE80211_SN_TO_SEQ(ssn));
 839		break;
 840	case IEEE80211_AMPDU_TX_STOP_FLUSH:
 841	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
 842		mtxq->aggr = false;
 843		ret = mt7615_mcu_add_tx_ba(dev, params, false);
 844		break;
 845	case IEEE80211_AMPDU_TX_START:
 846		ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid);
 847		params->ssn = ssn;
 848		ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
 849		break;
 850	case IEEE80211_AMPDU_TX_STOP_CONT:
 851		mtxq->aggr = false;
 852		ret = mt7615_mcu_add_tx_ba(dev, params, false);
 853		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 854		break;
 855	}
 856	mt7615_mutex_release(dev);
 857
 858	return ret;
 859}
 860
 861static int
 862mt7615_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 863	       struct ieee80211_sta *sta)
 864{
 865    return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
 866			  IEEE80211_STA_NONE);
 867}
 868
 869static int
 870mt7615_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 871		  struct ieee80211_sta *sta)
 872{
 873    return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
 874			  IEEE80211_STA_NOTEXIST);
 875}
 876
 877static int
 878mt7615_get_stats(struct ieee80211_hw *hw,
 879		 struct ieee80211_low_level_stats *stats)
 880{
 881	struct mt7615_phy *phy = mt7615_hw_phy(hw);
 882	struct mib_stats *mib = &phy->mib;
 883
 884	mt7615_mutex_acquire(phy->dev);
 885
 886	stats->dot11RTSSuccessCount = mib->rts_cnt;
 887	stats->dot11RTSFailureCount = mib->rts_retries_cnt;
 888	stats->dot11FCSErrorCount = mib->fcs_err_cnt;
 889	stats->dot11ACKFailureCount = mib->ack_fail_cnt;
 890
 891	mt7615_mutex_release(phy->dev);
 892
 893	return 0;
 894}
 895
 896static u64
 897mt7615_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 898{
 899	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
 900	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 901	union {
 902		u64 t64;
 903		u32 t32[2];
 904	} tsf;
 905	u16 idx = mvif->mt76.omac_idx;
 906	u32 reg;
 907
 908	idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
 909	reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
 910
 911	mt7615_mutex_acquire(dev);
 912
 913	/* TSF read */
 914	mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_READ);
 915	tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0);
 916	tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1);
 917
 918	mt7615_mutex_release(dev);
 919
 920	return tsf.t64;
 921}
 922
 923static void
 924mt7615_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 925	       u64 timestamp)
 926{
 927	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
 928	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 929	union {
 930		u64 t64;
 931		u32 t32[2];
 932	} tsf = { .t64 = timestamp, };
 933	u16 idx = mvif->mt76.omac_idx;
 934	u32 reg;
 935
 936	idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
 937	reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
 938
 939	mt7615_mutex_acquire(dev);
 940
 941	mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
 942	mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
 943	/* TSF software overwrite */
 944	mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_WRITE);
 945
 946	mt7615_mutex_release(dev);
 947}
 948
 949static void
 950mt7615_offset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 951		  s64 timestamp)
 952{
 953	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
 954	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 955	union {
 956		u64 t64;
 957		u32 t32[2];
 958	} tsf = { .t64 = timestamp, };
 959	u16 idx = mvif->mt76.omac_idx;
 960	u32 reg;
 961
 962	idx = idx > HW_BSSID_MAX ? HW_BSSID_0 : idx;
 963	reg = idx > 1 ? MT_LPON_TCR2(idx): MT_LPON_TCR0(idx);
 964
 965	mt7615_mutex_acquire(dev);
 966
 967	mt76_wr(dev, MT_LPON_UTTR0, tsf.t32[0]);
 968	mt76_wr(dev, MT_LPON_UTTR1, tsf.t32[1]);
 969	/* TSF software adjust*/
 970	mt76_rmw(dev, reg, MT_LPON_TCR_MODE, MT_LPON_TCR_ADJUST);
 971
 972	mt7615_mutex_release(dev);
 973}
 974
 975static void
 976mt7615_set_coverage_class(struct ieee80211_hw *hw, int radio_idx,
 977			  s16 coverage_class)
 978{
 979	struct mt7615_phy *phy = mt7615_hw_phy(hw);
 980	struct mt7615_dev *dev = phy->dev;
 981
 982	mt7615_mutex_acquire(dev);
 983	phy->coverage_class = max_t(s16, coverage_class, 0);
 984	mt7615_mac_set_timing(phy);
 985	mt7615_mutex_release(dev);
 986}
 987
 988static int
 989mt7615_set_antenna(struct ieee80211_hw *hw, int radio_idx,
 990		   u32 tx_ant, u32 rx_ant)
 991{
 992	struct mt7615_dev *dev = mt7615_hw_dev(hw);
 993	struct mt7615_phy *phy = mt7615_hw_phy(hw);
 994	int max_nss = hweight8(hw->wiphy->available_antennas_tx);
 995	bool ext_phy = phy != &dev->phy;
 996
 997	if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
 998		return -EINVAL;
 999
1000	if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
1001		tx_ant = BIT(ffs(tx_ant) - 1) - 1;
1002
1003	mt7615_mutex_acquire(dev);
1004
1005	phy->mt76->antenna_mask = tx_ant;
1006	if (ext_phy) {
1007		if (dev->chainmask == 0xf)
1008			tx_ant <<= 2;
1009		else
1010			tx_ant <<= 1;
1011	}
1012	phy->mt76->chainmask = tx_ant;
1013
1014	mt76_set_stream_caps(phy->mt76, true);
1015
1016	mt7615_mutex_release(dev);
1017
1018	return 0;
1019}
1020
1021static void mt7615_roc_iter(void *priv, u8 *mac,
1022			    struct ieee80211_vif *vif)
1023{
1024	struct mt7615_phy *phy = priv;
1025
1026	mt7615_mcu_set_roc(phy, vif, NULL, 0);
1027}
1028
1029void mt7615_roc_work(struct work_struct *work)
1030{
1031	struct mt7615_phy *phy;
1032
1033	phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1034						roc_work);
1035
1036	if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1037		return;
1038
1039	mt7615_mutex_acquire(phy->dev);
1040	ieee80211_iterate_active_interfaces(phy->mt76->hw,
1041					    IEEE80211_IFACE_ITER_RESUME_ALL,
1042					    mt7615_roc_iter, phy);
1043	mt7615_mutex_release(phy->dev);
1044	ieee80211_remain_on_channel_expired(phy->mt76->hw);
1045}
1046
1047void mt7615_roc_timer(struct timer_list *timer)
1048{
1049	struct mt7615_phy *phy = timer_container_of(phy, timer, roc_timer);
1050
1051	ieee80211_queue_work(phy->mt76->hw, &phy->roc_work);
1052}
1053
1054void mt7615_scan_work(struct work_struct *work)
1055{
1056	struct mt7615_phy *phy;
1057
1058	phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
1059						scan_work.work);
1060
1061	while (true) {
1062		struct mt7615_mcu_rxd *rxd;
1063		struct sk_buff *skb;
1064
1065		spin_lock_bh(&phy->dev->mt76.lock);
1066		skb = __skb_dequeue(&phy->scan_event_list);
1067		spin_unlock_bh(&phy->dev->mt76.lock);
1068
1069		if (!skb)
1070			break;
1071
1072		rxd = (struct mt7615_mcu_rxd *)skb->data;
1073		if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
1074			ieee80211_sched_scan_results(phy->mt76->hw);
1075		} else if (test_and_clear_bit(MT76_HW_SCANNING,
1076					      &phy->mt76->state)) {
1077			struct cfg80211_scan_info info = {
1078				.aborted = false,
1079			};
1080
1081			ieee80211_scan_completed(phy->mt76->hw, &info);
1082		}
1083		dev_kfree_skb(skb);
1084	}
1085}
1086
1087static int
1088mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1089	       struct ieee80211_scan_request *req)
1090{
1091	struct mt7615_dev *dev = mt7615_hw_dev(hw);
1092	struct mt76_phy *mphy = hw->priv;
1093	int err;
1094
1095	/* fall-back to sw-scan */
1096	if (!mt7615_firmware_offload(dev))
1097		return 1;
1098
1099	mt7615_mutex_acquire(dev);
1100	err = mt76_connac_mcu_hw_scan(mphy, vif, req);
1101	mt7615_mutex_release(dev);
1102
1103	return err;
1104}
1105
1106static void
1107mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1108{
1109	struct mt7615_dev *dev = mt7615_hw_dev(hw);
1110	struct mt76_phy *mphy = hw->priv;
1111
1112	mt7615_mutex_acquire(dev);
1113	mt76_connac_mcu_cancel_hw_scan(mphy, vif);
1114	mt7615_mutex_release(dev);
1115}
1116
1117static int
1118mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1119			struct cfg80211_sched_scan_request *req,
1120			struct ieee80211_scan_ies *ies)
1121{
1122	struct mt7615_dev *dev = mt7615_hw_dev(hw);
1123	struct mt76_phy *mphy = hw->priv;
1124	int err;
1125
1126	if (!mt7615_firmware_offload(dev))
1127		return -EOPNOTSUPP;
1128
1129	mt7615_mutex_acquire(dev);
1130
1131	err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
1132	if (err < 0)
1133		goto out;
1134
1135	err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
1136out:
1137	mt7615_mutex_release(dev);
1138
1139	return err;
1140}
1141
1142static int
1143mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1144{
1145	struct mt7615_dev *dev = mt7615_hw_dev(hw);
1146	struct mt76_phy *mphy = hw->priv;
1147	int err;
1148
1149	if (!mt7615_firmware_offload(dev))
1150		return -EOPNOTSUPP;
1151
1152	mt7615_mutex_acquire(dev);
1153	err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
1154	mt7615_mutex_release(dev);
1155
1156	return err;
1157}
1158
1159static int mt7615_remain_on_channel(struct ieee80211_hw *hw,
1160				    struct ieee80211_vif *vif,
1161				    struct ieee80211_channel *chan,
1162				    int duration,
1163				    enum ieee80211_roc_type type)
1164{
1165	struct mt7615_phy *phy = mt7615_hw_phy(hw);
1166	int err;
1167
1168	if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
1169		return 0;
1170
1171	mt7615_mutex_acquire(phy->dev);
1172
1173	err = mt7615_mcu_set_roc(phy, vif, chan, duration);
1174	if (err < 0) {
1175		clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1176		goto out;
1177	}
1178
1179	if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) {
1180		mt7615_mcu_set_roc(phy, vif, NULL, 0);
1181		clear_bit(MT76_STATE_ROC, &phy->mt76->state);
1182		err = -ETIMEDOUT;
1183	}
1184
1185out:
1186	mt7615_mutex_release(phy->dev);
1187
1188	return err;
1189}
1190
1191static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw,
1192					   struct ieee80211_vif *vif)
1193{
1194	struct mt7615_phy *phy = mt7615_hw_phy(hw);
1195	int err;
1196
1197	if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
1198		return 0;
1199
1200	timer_delete_sync(&phy->roc_timer);
1201	cancel_work_sync(&phy->roc_work);
1202
1203	mt7615_mutex_acquire(phy->dev);
1204	err = mt7615_mcu_set_roc(phy, vif, NULL, 0);
1205	mt7615_mutex_release(phy->dev);
1206
1207	return err;
1208}
1209
1210static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw,
1211				 struct ieee80211_vif *vif,
1212				 struct ieee80211_sta *sta,
1213				 bool enabled)
1214{
1215	struct mt7615_dev *dev = mt7615_hw_dev(hw);
1216	struct mt7615_sta *msta = (struct mt7615_sta *)sta->drv_priv;
1217
1218	mt7615_mutex_acquire(dev);
1219
1220	if (enabled)
1221		set_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1222	else
1223		clear_bit(MT_WCID_FLAG_HDR_TRANS, &msta->wcid.flags);
1224
1225	mt7615_mcu_set_sta_decap_offload(dev, vif, sta);
1226
1227	mt7615_mutex_release(dev);
1228}
1229
1230#ifdef CONFIG_PM
1231static int mt7615_suspend(struct ieee80211_hw *hw,
1232			  struct cfg80211_wowlan *wowlan)
1233{
1234	struct mt7615_phy *phy = mt7615_hw_phy(hw);
1235	struct mt7615_dev *dev = mt7615_hw_dev(hw);
1236	int err = 0;
1237
1238	cancel_delayed_work_sync(&dev->pm.ps_work);
1239	mt76_connac_free_pending_tx_skbs(&dev->pm, NULL);
1240
1241	mt7615_mutex_acquire(dev);
1242
1243	clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1244	cancel_delayed_work_sync(&phy->scan_work);
1245	cancel_delayed_work_sync(&phy->mt76->mac_work);
1246
1247	set_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1248	ieee80211_iterate_active_interfaces(hw,
1249					    IEEE80211_IFACE_ITER_RESUME_ALL,
1250					    mt76_connac_mcu_set_suspend_iter,
1251					    phy->mt76);
1252
1253	if (!mt7615_dev_running(dev))
1254		err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, true, true);
1255
1256	mt7615_mutex_release(dev);
1257
1258	return err;
1259}
1260
1261static int mt7615_resume(struct ieee80211_hw *hw)
1262{
1263	struct mt7615_phy *phy = mt7615_hw_phy(hw);
1264	struct mt7615_dev *dev = mt7615_hw_dev(hw);
1265	unsigned long timeout;
1266	bool running;
1267
1268	mt7615_mutex_acquire(dev);
1269
1270	running = mt7615_dev_running(dev);
1271	set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
1272
1273	if (!running) {
1274		int err;
1275
1276		err = mt76_connac_mcu_set_hif_suspend(&dev->mt76, false, true);
1277		if (err < 0) {
1278			mt7615_mutex_release(dev);
1279			return err;
1280		}
1281	}
1282
1283	clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
1284	ieee80211_iterate_active_interfaces(hw,
1285					    IEEE80211_IFACE_ITER_RESUME_ALL,
1286					    mt76_connac_mcu_set_suspend_iter,
1287					    phy->mt76);
1288
1289	timeout = mt7615_get_macwork_timeout(dev);
1290	ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work, timeout);
1291
1292	mt7615_mutex_release(dev);
1293
1294	return 0;
1295}
1296
1297static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled)
1298{
1299	struct mt7615_dev *dev = mt7615_hw_dev(hw);
1300	struct mt76_dev *mdev = &dev->mt76;
1301
1302	device_set_wakeup_enable(mdev->dev, enabled);
1303}
1304
1305static void mt7615_set_rekey_data(struct ieee80211_hw *hw,
1306				  struct ieee80211_vif *vif,
1307				  struct cfg80211_gtk_rekey_data *data)
1308{
1309	struct mt7615_dev *dev = mt7615_hw_dev(hw);
1310
1311	mt7615_mutex_acquire(dev);
1312	mt76_connac_mcu_update_gtk_rekey(hw, vif, data);
1313	mt7615_mutex_release(dev);
1314}
1315#endif /* CONFIG_PM */
1316
1317const struct ieee80211_ops mt7615_ops = {
1318	.add_chanctx = ieee80211_emulate_add_chanctx,
1319	.remove_chanctx = ieee80211_emulate_remove_chanctx,
1320	.change_chanctx = ieee80211_emulate_change_chanctx,
1321	.switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
1322	.tx = mt7615_tx,
1323	.start = mt7615_start,
1324	.stop = mt7615_stop,
1325	.add_interface = mt7615_add_interface,
1326	.remove_interface = mt7615_remove_interface,
1327	.config = mt7615_config,
1328	.conf_tx = mt7615_conf_tx,
1329	.configure_filter = mt7615_configure_filter,
1330	.bss_info_changed = mt7615_bss_info_changed,
1331	.sta_add = mt7615_sta_add,
1332	.sta_remove = mt7615_sta_remove,
1333	.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
1334	.set_key = mt7615_set_key,
1335	.sta_set_decap_offload = mt7615_sta_set_decap_offload,
1336	.ampdu_action = mt7615_ampdu_action,
1337	.set_rts_threshold = mt7615_set_rts_threshold,
1338	.wake_tx_queue = mt76_wake_tx_queue,
1339	.sta_rate_tbl_update = mt7615_sta_rate_tbl_update,
1340	.sw_scan_start = mt76_sw_scan,
1341	.sw_scan_complete = mt76_sw_scan_complete,
1342	.release_buffered_frames = mt76_release_buffered_frames,
1343	.get_txpower = mt76_get_txpower,
1344	.channel_switch_beacon = mt7615_channel_switch_beacon,
1345	.get_stats = mt7615_get_stats,
1346	.get_tsf = mt7615_get_tsf,
1347	.set_tsf = mt7615_set_tsf,
1348	.offset_tsf = mt7615_offset_tsf,
1349	.get_survey = mt76_get_survey,
1350	.get_antenna = mt76_get_antenna,
1351	.set_antenna = mt7615_set_antenna,
1352	.set_coverage_class = mt7615_set_coverage_class,
1353	.hw_scan = mt7615_hw_scan,
1354	.cancel_hw_scan = mt7615_cancel_hw_scan,
1355	.sched_scan_start = mt7615_start_sched_scan,
1356	.sched_scan_stop = mt7615_stop_sched_scan,
1357	.remain_on_channel = mt7615_remain_on_channel,
1358	.cancel_remain_on_channel = mt7615_cancel_remain_on_channel,
1359	CFG80211_TESTMODE_CMD(mt76_testmode_cmd)
1360	CFG80211_TESTMODE_DUMP(mt76_testmode_dump)
1361#ifdef CONFIG_PM
1362	.suspend = mt7615_suspend,
1363	.resume = mt7615_resume,
1364	.set_wakeup = mt7615_set_wakeup,
1365	.set_rekey_data = mt7615_set_rekey_data,
1366#endif /* CONFIG_PM */
1367	.set_sar_specs = mt7615_set_sar_specs,
1368};
1369EXPORT_SYMBOL_GPL(mt7615_ops);
1370
1371MODULE_DESCRIPTION("MediaTek MT7615E and MT7663E wireless driver");
1372MODULE_LICENSE("Dual BSD/GPL");