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_reset_counters(dev); 17 mt7603_mac_start(dev); 18 dev->mphy.survey_time = ktime_get_boottime(); 19 set_bit(MT76_STATE_RUNNING, &dev->mphy.state); 20 mt7603_mac_work(&dev->mt76.mac_work.work); 21 22 return 0; 23 } 24 25 static void 26 mt7603_stop(struct ieee80211_hw *hw) 27 { 28 struct mt7603_dev *dev = hw->priv; 29 30 clear_bit(MT76_STATE_RUNNING, &dev->mphy.state); 31 cancel_delayed_work_sync(&dev->mt76.mac_work); 32 mt7603_mac_stop(dev); 33 } 34 35 static int 36 mt7603_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 37 { 38 struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv; 39 struct mt7603_dev *dev = hw->priv; 40 struct mt76_txq *mtxq; 41 u8 bc_addr[ETH_ALEN]; 42 int idx; 43 int ret = 0; 44 45 mutex_lock(&dev->mt76.mutex); 46 47 mvif->idx = ffs(~dev->mphy.vif_mask) - 1; 48 if (mvif->idx >= MT7603_MAX_INTERFACES) { 49 ret = -ENOSPC; 50 goto out; 51 } 52 53 mt76_wr(dev, MT_MAC_ADDR0(mvif->idx), 54 get_unaligned_le32(vif->addr)); 55 mt76_wr(dev, MT_MAC_ADDR1(mvif->idx), 56 (get_unaligned_le16(vif->addr + 4) | 57 MT_MAC_ADDR1_VALID)); 58 59 if (vif->type == NL80211_IFTYPE_AP) { 60 mt76_wr(dev, MT_BSSID0(mvif->idx), 61 get_unaligned_le32(vif->addr)); 62 mt76_wr(dev, MT_BSSID1(mvif->idx), 63 (get_unaligned_le16(vif->addr + 4) | 64 MT_BSSID1_VALID)); 65 } 66 67 idx = MT7603_WTBL_RESERVED - 1 - mvif->idx; 68 dev->mphy.vif_mask |= BIT(mvif->idx); 69 INIT_LIST_HEAD(&mvif->sta.poll_list); 70 mvif->sta.wcid.idx = idx; 71 mvif->sta.wcid.hw_key_idx = -1; 72 73 eth_broadcast_addr(bc_addr); 74 mt7603_wtbl_init(dev, idx, mvif->idx, bc_addr); 75 76 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 77 mtxq->wcid = &mvif->sta.wcid; 78 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 79 80 out: 81 mutex_unlock(&dev->mt76.mutex); 82 83 return ret; 84 } 85 86 static void 87 mt7603_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 88 { 89 struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv; 90 struct mt7603_sta *msta = &mvif->sta; 91 struct mt7603_dev *dev = hw->priv; 92 int idx = msta->wcid.idx; 93 94 mt76_wr(dev, MT_MAC_ADDR0(mvif->idx), 0); 95 mt76_wr(dev, MT_MAC_ADDR1(mvif->idx), 0); 96 mt76_wr(dev, MT_BSSID0(mvif->idx), 0); 97 mt76_wr(dev, MT_BSSID1(mvif->idx), 0); 98 mt7603_beacon_set_timer(dev, mvif->idx, 0); 99 100 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 101 102 spin_lock_bh(&dev->sta_poll_lock); 103 if (!list_empty(&msta->poll_list)) 104 list_del_init(&msta->poll_list); 105 spin_unlock_bh(&dev->sta_poll_lock); 106 107 mutex_lock(&dev->mt76.mutex); 108 dev->mphy.vif_mask &= ~BIT(mvif->idx); 109 mutex_unlock(&dev->mt76.mutex); 110 } 111 112 void mt7603_init_edcca(struct mt7603_dev *dev) 113 { 114 /* Set lower signal level to -65dBm */ 115 mt76_rmw_field(dev, MT_RXTD(8), MT_RXTD_8_LOWER_SIGNAL, 0x23); 116 117 /* clear previous energy detect monitor results */ 118 mt76_rr(dev, MT_MIB_STAT_ED); 119 120 if (dev->ed_monitor) 121 mt76_set(dev, MT_MIB_CTL, MT_MIB_CTL_ED_TIME); 122 else 123 mt76_clear(dev, MT_MIB_CTL, MT_MIB_CTL_ED_TIME); 124 125 dev->ed_strict_mode = 0xff; 126 dev->ed_strong_signal = 0; 127 dev->ed_time = ktime_get_boottime(); 128 129 mt7603_edcca_set_strict(dev, false); 130 } 131 132 static int 133 mt7603_set_channel(struct mt7603_dev *dev, struct cfg80211_chan_def *def) 134 { 135 u8 *rssi_data = (u8 *)dev->mt76.eeprom.data; 136 int idx, ret; 137 u8 bw = MT_BW_20; 138 bool failed = false; 139 140 cancel_delayed_work_sync(&dev->mt76.mac_work); 141 tasklet_disable(&dev->mt76.pre_tbtt_tasklet); 142 143 mutex_lock(&dev->mt76.mutex); 144 set_bit(MT76_RESET, &dev->mphy.state); 145 146 mt7603_beacon_set_timer(dev, -1, 0); 147 mt76_set_channel(&dev->mphy); 148 mt7603_mac_stop(dev); 149 150 if (def->width == NL80211_CHAN_WIDTH_40) 151 bw = MT_BW_40; 152 153 dev->mphy.chandef = *def; 154 mt76_rmw_field(dev, MT_AGG_BWCR, MT_AGG_BWCR_BW, bw); 155 ret = mt7603_mcu_set_channel(dev); 156 if (ret) { 157 failed = true; 158 goto out; 159 } 160 161 if (def->chan->band == NL80211_BAND_5GHZ) { 162 idx = 1; 163 rssi_data += MT_EE_RSSI_OFFSET_5G; 164 } else { 165 idx = 0; 166 rssi_data += MT_EE_RSSI_OFFSET_2G; 167 } 168 169 memcpy(dev->rssi_offset, rssi_data, sizeof(dev->rssi_offset)); 170 171 idx |= (def->chan - 172 mt76_hw(dev)->wiphy->bands[def->chan->band]->channels) << 1; 173 mt76_wr(dev, MT_WF_RMAC_CH_FREQ, idx); 174 mt7603_mac_set_timing(dev); 175 mt7603_mac_start(dev); 176 177 clear_bit(MT76_RESET, &dev->mphy.state); 178 179 mt76_txq_schedule_all(&dev->mphy); 180 181 ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work, 182 msecs_to_jiffies(MT7603_WATCHDOG_TIME)); 183 184 /* reset channel stats */ 185 mt76_clear(dev, MT_MIB_CTL, MT_MIB_CTL_READ_CLR_DIS); 186 mt76_set(dev, MT_MIB_CTL, 187 MT_MIB_CTL_CCA_NAV_TX | MT_MIB_CTL_PSCCA_TIME); 188 mt76_rr(dev, MT_MIB_STAT_CCA); 189 mt7603_cca_stats_reset(dev); 190 191 dev->mphy.survey_time = ktime_get_boottime(); 192 193 mt7603_init_edcca(dev); 194 195 out: 196 if (!(mt76_hw(dev)->conf.flags & IEEE80211_CONF_OFFCHANNEL)) 197 mt7603_beacon_set_timer(dev, -1, dev->mt76.beacon_int); 198 mutex_unlock(&dev->mt76.mutex); 199 200 tasklet_enable(&dev->mt76.pre_tbtt_tasklet); 201 202 if (failed) 203 mt7603_mac_work(&dev->mt76.mac_work.work); 204 205 return ret; 206 } 207 208 static int 209 mt7603_config(struct ieee80211_hw *hw, u32 changed) 210 { 211 struct mt7603_dev *dev = hw->priv; 212 int ret = 0; 213 214 if (changed & (IEEE80211_CONF_CHANGE_CHANNEL | 215 IEEE80211_CONF_CHANGE_POWER)) { 216 ieee80211_stop_queues(hw); 217 ret = mt7603_set_channel(dev, &hw->conf.chandef); 218 ieee80211_wake_queues(hw); 219 } 220 221 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 222 mutex_lock(&dev->mt76.mutex); 223 224 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) 225 dev->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 226 else 227 dev->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 228 229 mt76_wr(dev, MT_WF_RFCR, dev->rxfilter); 230 231 mutex_unlock(&dev->mt76.mutex); 232 } 233 234 return ret; 235 } 236 237 static void 238 mt7603_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, 239 unsigned int *total_flags, u64 multicast) 240 { 241 struct mt7603_dev *dev = hw->priv; 242 u32 flags = 0; 243 244 #define MT76_FILTER(_flag, _hw) do { \ 245 flags |= *total_flags & FIF_##_flag; \ 246 dev->rxfilter &= ~(_hw); \ 247 dev->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 248 } while (0) 249 250 dev->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 251 MT_WF_RFCR_DROP_OTHER_BEACON | 252 MT_WF_RFCR_DROP_FRAME_REPORT | 253 MT_WF_RFCR_DROP_PROBEREQ | 254 MT_WF_RFCR_DROP_MCAST_FILTERED | 255 MT_WF_RFCR_DROP_MCAST | 256 MT_WF_RFCR_DROP_BCAST | 257 MT_WF_RFCR_DROP_DUPLICATE | 258 MT_WF_RFCR_DROP_A2_BSSID | 259 MT_WF_RFCR_DROP_UNWANTED_CTL | 260 MT_WF_RFCR_DROP_STBC_MULTI); 261 262 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 263 MT_WF_RFCR_DROP_A3_MAC | 264 MT_WF_RFCR_DROP_A3_BSSID); 265 266 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 267 268 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 269 MT_WF_RFCR_DROP_RTS | 270 MT_WF_RFCR_DROP_CTL_RSV | 271 MT_WF_RFCR_DROP_NDPA); 272 273 *total_flags = flags; 274 mt76_wr(dev, MT_WF_RFCR, dev->rxfilter); 275 } 276 277 static void 278 mt7603_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 279 struct ieee80211_bss_conf *info, u32 changed) 280 { 281 struct mt7603_dev *dev = hw->priv; 282 struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv; 283 284 mutex_lock(&dev->mt76.mutex); 285 286 if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BSSID)) { 287 if (info->assoc || info->ibss_joined) { 288 mt76_wr(dev, MT_BSSID0(mvif->idx), 289 get_unaligned_le32(info->bssid)); 290 mt76_wr(dev, MT_BSSID1(mvif->idx), 291 (get_unaligned_le16(info->bssid + 4) | 292 MT_BSSID1_VALID)); 293 } else { 294 mt76_wr(dev, MT_BSSID0(mvif->idx), 0); 295 mt76_wr(dev, MT_BSSID1(mvif->idx), 0); 296 } 297 } 298 299 if (changed & BSS_CHANGED_ERP_SLOT) { 300 int slottime = info->use_short_slot ? 9 : 20; 301 302 if (slottime != dev->slottime) { 303 dev->slottime = slottime; 304 mt7603_mac_set_timing(dev); 305 } 306 } 307 308 if (changed & (BSS_CHANGED_BEACON_ENABLED | BSS_CHANGED_BEACON_INT)) { 309 int beacon_int = !!info->enable_beacon * info->beacon_int; 310 311 tasklet_disable(&dev->mt76.pre_tbtt_tasklet); 312 mt7603_beacon_set_timer(dev, mvif->idx, beacon_int); 313 tasklet_enable(&dev->mt76.pre_tbtt_tasklet); 314 } 315 316 mutex_unlock(&dev->mt76.mutex); 317 } 318 319 int 320 mt7603_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 321 struct ieee80211_sta *sta) 322 { 323 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); 324 struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 325 struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv; 326 int idx; 327 int ret = 0; 328 329 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7603_WTBL_STA - 1); 330 if (idx < 0) 331 return -ENOSPC; 332 333 INIT_LIST_HEAD(&msta->poll_list); 334 __skb_queue_head_init(&msta->psq); 335 msta->ps = ~0; 336 msta->smps = ~0; 337 msta->wcid.sta = 1; 338 msta->wcid.idx = idx; 339 mt7603_wtbl_init(dev, idx, mvif->idx, sta->addr); 340 mt7603_wtbl_set_ps(dev, msta, false); 341 342 if (vif->type == NL80211_IFTYPE_AP) 343 set_bit(MT_WCID_FLAG_CHECK_PS, &msta->wcid.flags); 344 345 return ret; 346 } 347 348 void 349 mt7603_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 350 struct ieee80211_sta *sta) 351 { 352 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); 353 354 mt7603_wtbl_update_cap(dev, sta); 355 } 356 357 void 358 mt7603_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 359 struct ieee80211_sta *sta) 360 { 361 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); 362 struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 363 struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv; 364 365 spin_lock_bh(&dev->ps_lock); 366 __skb_queue_purge(&msta->psq); 367 mt7603_filter_tx(dev, wcid->idx, true); 368 spin_unlock_bh(&dev->ps_lock); 369 370 spin_lock_bh(&dev->sta_poll_lock); 371 if (!list_empty(&msta->poll_list)) 372 list_del_init(&msta->poll_list); 373 spin_unlock_bh(&dev->sta_poll_lock); 374 375 mt7603_wtbl_clear(dev, wcid->idx); 376 } 377 378 static void 379 mt7603_ps_tx_list(struct mt7603_dev *dev, struct sk_buff_head *list) 380 { 381 struct sk_buff *skb; 382 383 while ((skb = __skb_dequeue(list)) != NULL) { 384 int qid = skb_get_queue_mapping(skb); 385 386 mt76_tx_queue_skb_raw(dev, dev->mphy.q_tx[qid], skb, 0); 387 } 388 } 389 390 void 391 mt7603_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps) 392 { 393 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); 394 struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 395 struct sk_buff_head list; 396 397 mt76_stop_tx_queues(&dev->mphy, sta, true); 398 mt7603_wtbl_set_ps(dev, msta, ps); 399 if (ps) 400 return; 401 402 __skb_queue_head_init(&list); 403 404 spin_lock_bh(&dev->ps_lock); 405 skb_queue_splice_tail_init(&msta->psq, &list); 406 spin_unlock_bh(&dev->ps_lock); 407 408 mt7603_ps_tx_list(dev, &list); 409 } 410 411 static void 412 mt7603_ps_set_more_data(struct sk_buff *skb) 413 { 414 struct ieee80211_hdr *hdr; 415 416 hdr = (struct ieee80211_hdr *)&skb->data[MT_TXD_SIZE]; 417 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA); 418 } 419 420 static void 421 mt7603_release_buffered_frames(struct ieee80211_hw *hw, 422 struct ieee80211_sta *sta, 423 u16 tids, int nframes, 424 enum ieee80211_frame_release_type reason, 425 bool more_data) 426 { 427 struct mt7603_dev *dev = hw->priv; 428 struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 429 struct sk_buff_head list; 430 struct sk_buff *skb, *tmp; 431 432 __skb_queue_head_init(&list); 433 434 mt7603_wtbl_set_ps(dev, msta, false); 435 436 spin_lock_bh(&dev->ps_lock); 437 skb_queue_walk_safe(&msta->psq, skb, tmp) { 438 if (!nframes) 439 break; 440 441 if (!(tids & BIT(skb->priority))) 442 continue; 443 444 skb_set_queue_mapping(skb, MT_TXQ_PSD); 445 __skb_unlink(skb, &msta->psq); 446 mt7603_ps_set_more_data(skb); 447 __skb_queue_tail(&list, skb); 448 nframes--; 449 } 450 spin_unlock_bh(&dev->ps_lock); 451 452 if (!skb_queue_empty(&list)) 453 ieee80211_sta_eosp(sta); 454 455 mt7603_ps_tx_list(dev, &list); 456 457 if (nframes) 458 mt76_release_buffered_frames(hw, sta, tids, nframes, reason, 459 more_data); 460 } 461 462 static int 463 mt7603_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 464 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 465 struct ieee80211_key_conf *key) 466 { 467 struct mt7603_dev *dev = hw->priv; 468 struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv; 469 struct mt7603_sta *msta = sta ? (struct mt7603_sta *)sta->drv_priv : 470 &mvif->sta; 471 struct mt76_wcid *wcid = &msta->wcid; 472 int idx = key->keyidx; 473 474 /* fall back to sw encryption for unsupported ciphers */ 475 switch (key->cipher) { 476 case WLAN_CIPHER_SUITE_TKIP: 477 case WLAN_CIPHER_SUITE_CCMP: 478 break; 479 default: 480 return -EOPNOTSUPP; 481 } 482 483 /* 484 * The hardware does not support per-STA RX GTK, fall back 485 * to software mode for these. 486 */ 487 if ((vif->type == NL80211_IFTYPE_ADHOC || 488 vif->type == NL80211_IFTYPE_MESH_POINT) && 489 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 490 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 491 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 492 return -EOPNOTSUPP; 493 494 if (cmd == SET_KEY) { 495 key->hw_key_idx = wcid->idx; 496 wcid->hw_key_idx = idx; 497 } else { 498 if (idx == wcid->hw_key_idx) 499 wcid->hw_key_idx = -1; 500 501 key = NULL; 502 } 503 mt76_wcid_key_setup(&dev->mt76, wcid, key); 504 505 return mt7603_wtbl_set_key(dev, wcid->idx, key); 506 } 507 508 static int 509 mt7603_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, 510 const struct ieee80211_tx_queue_params *params) 511 { 512 struct mt7603_dev *dev = hw->priv; 513 u16 cw_min = (1 << 5) - 1; 514 u16 cw_max = (1 << 10) - 1; 515 u32 val; 516 517 queue = dev->mphy.q_tx[queue]->hw_idx; 518 519 if (params->cw_min) 520 cw_min = params->cw_min; 521 if (params->cw_max) 522 cw_max = params->cw_max; 523 524 mutex_lock(&dev->mt76.mutex); 525 mt7603_mac_stop(dev); 526 527 val = mt76_rr(dev, MT_WMM_TXOP(queue)); 528 val &= ~(MT_WMM_TXOP_MASK << MT_WMM_TXOP_SHIFT(queue)); 529 val |= params->txop << MT_WMM_TXOP_SHIFT(queue); 530 mt76_wr(dev, MT_WMM_TXOP(queue), val); 531 532 val = mt76_rr(dev, MT_WMM_AIFSN); 533 val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(queue)); 534 val |= params->aifs << MT_WMM_AIFSN_SHIFT(queue); 535 mt76_wr(dev, MT_WMM_AIFSN, val); 536 537 val = mt76_rr(dev, MT_WMM_CWMIN); 538 val &= ~(MT_WMM_CWMIN_MASK << MT_WMM_CWMIN_SHIFT(queue)); 539 val |= cw_min << MT_WMM_CWMIN_SHIFT(queue); 540 mt76_wr(dev, MT_WMM_CWMIN, val); 541 542 val = mt76_rr(dev, MT_WMM_CWMAX(queue)); 543 val &= ~(MT_WMM_CWMAX_MASK << MT_WMM_CWMAX_SHIFT(queue)); 544 val |= cw_max << MT_WMM_CWMAX_SHIFT(queue); 545 mt76_wr(dev, MT_WMM_CWMAX(queue), val); 546 547 mt7603_mac_start(dev); 548 mutex_unlock(&dev->mt76.mutex); 549 550 return 0; 551 } 552 553 static void 554 mt7603_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 555 u32 queues, bool drop) 556 { 557 } 558 559 static int 560 mt7603_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 561 struct ieee80211_ampdu_params *params) 562 { 563 enum ieee80211_ampdu_mlme_action action = params->action; 564 struct mt7603_dev *dev = hw->priv; 565 struct ieee80211_sta *sta = params->sta; 566 struct ieee80211_txq *txq = sta->txq[params->tid]; 567 struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 568 u16 tid = params->tid; 569 u16 ssn = params->ssn; 570 u8 ba_size = params->buf_size; 571 struct mt76_txq *mtxq; 572 int ret = 0; 573 574 if (!txq) 575 return -EINVAL; 576 577 mtxq = (struct mt76_txq *)txq->drv_priv; 578 579 mutex_lock(&dev->mt76.mutex); 580 switch (action) { 581 case IEEE80211_AMPDU_RX_START: 582 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 583 params->buf_size); 584 mt7603_mac_rx_ba_reset(dev, sta->addr, tid); 585 break; 586 case IEEE80211_AMPDU_RX_STOP: 587 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 588 break; 589 case IEEE80211_AMPDU_TX_OPERATIONAL: 590 mtxq->aggr = true; 591 mtxq->send_bar = false; 592 mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, ba_size); 593 break; 594 case IEEE80211_AMPDU_TX_STOP_FLUSH: 595 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 596 mtxq->aggr = false; 597 mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, -1); 598 break; 599 case IEEE80211_AMPDU_TX_START: 600 mtxq->agg_ssn = IEEE80211_SN_TO_SEQ(ssn); 601 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 602 break; 603 case IEEE80211_AMPDU_TX_STOP_CONT: 604 mtxq->aggr = false; 605 mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, -1); 606 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 607 break; 608 } 609 mutex_unlock(&dev->mt76.mutex); 610 611 return ret; 612 } 613 614 static void 615 mt7603_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 616 struct ieee80211_sta *sta) 617 { 618 struct mt7603_dev *dev = hw->priv; 619 struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 620 struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates); 621 int i; 622 623 spin_lock_bh(&dev->mt76.lock); 624 for (i = 0; i < ARRAY_SIZE(msta->rates); i++) { 625 msta->rates[i].idx = sta_rates->rate[i].idx; 626 msta->rates[i].count = sta_rates->rate[i].count; 627 msta->rates[i].flags = sta_rates->rate[i].flags; 628 629 if (msta->rates[i].idx < 0 || !msta->rates[i].count) 630 break; 631 } 632 msta->n_rates = i; 633 mt7603_wtbl_set_rates(dev, msta, NULL, msta->rates); 634 msta->rate_probe = false; 635 mt7603_wtbl_set_smps(dev, msta, 636 sta->smps_mode == IEEE80211_SMPS_DYNAMIC); 637 spin_unlock_bh(&dev->mt76.lock); 638 } 639 640 static void 641 mt7603_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 642 { 643 struct mt7603_dev *dev = hw->priv; 644 645 mutex_lock(&dev->mt76.mutex); 646 dev->coverage_class = max_t(s16, coverage_class, 0); 647 mt7603_mac_set_timing(dev); 648 mutex_unlock(&dev->mt76.mutex); 649 } 650 651 static void mt7603_tx(struct ieee80211_hw *hw, 652 struct ieee80211_tx_control *control, 653 struct sk_buff *skb) 654 { 655 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 656 struct ieee80211_vif *vif = info->control.vif; 657 struct mt7603_dev *dev = hw->priv; 658 struct mt76_wcid *wcid = &dev->global_sta.wcid; 659 660 if (control->sta) { 661 struct mt7603_sta *msta; 662 663 msta = (struct mt7603_sta *)control->sta->drv_priv; 664 wcid = &msta->wcid; 665 } else if (vif) { 666 struct mt7603_vif *mvif; 667 668 mvif = (struct mt7603_vif *)vif->drv_priv; 669 wcid = &mvif->sta.wcid; 670 } 671 672 mt76_tx(&dev->mphy, control->sta, wcid, skb); 673 } 674 675 const struct ieee80211_ops mt7603_ops = { 676 .tx = mt7603_tx, 677 .start = mt7603_start, 678 .stop = mt7603_stop, 679 .add_interface = mt7603_add_interface, 680 .remove_interface = mt7603_remove_interface, 681 .config = mt7603_config, 682 .configure_filter = mt7603_configure_filter, 683 .bss_info_changed = mt7603_bss_info_changed, 684 .sta_state = mt76_sta_state, 685 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 686 .set_key = mt7603_set_key, 687 .conf_tx = mt7603_conf_tx, 688 .sw_scan_start = mt76_sw_scan, 689 .sw_scan_complete = mt76_sw_scan_complete, 690 .flush = mt7603_flush, 691 .ampdu_action = mt7603_ampdu_action, 692 .get_txpower = mt76_get_txpower, 693 .wake_tx_queue = mt76_wake_tx_queue, 694 .sta_rate_tbl_update = mt7603_sta_rate_tbl_update, 695 .release_buffered_frames = mt7603_release_buffered_frames, 696 .set_coverage_class = mt7603_set_coverage_class, 697 .set_tim = mt76_set_tim, 698 .get_survey = mt76_get_survey, 699 .get_antenna = mt76_get_antenna, 700 }; 701 702 MODULE_LICENSE("Dual BSD/GPL"); 703 704 static int __init mt7603_init(void) 705 { 706 int ret; 707 708 ret = platform_driver_register(&mt76_wmac_driver); 709 if (ret) 710 return ret; 711 712 #ifdef CONFIG_PCI 713 ret = pci_register_driver(&mt7603_pci_driver); 714 if (ret) 715 platform_driver_unregister(&mt76_wmac_driver); 716 #endif 717 return ret; 718 } 719 720 static void __exit mt7603_exit(void) 721 { 722 #ifdef CONFIG_PCI 723 pci_unregister_driver(&mt7603_pci_driver); 724 #endif 725 platform_driver_unregister(&mt76_wmac_driver); 726 } 727 728 module_init(mt7603_init); 729 module_exit(mt7603_exit); 730