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->mphy.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->mphy.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->mt76.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->mt76.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 mt76_packet_id_init(&mvif->sta.wcid); 73 74 eth_broadcast_addr(bc_addr); 75 mt7603_wtbl_init(dev, idx, mvif->idx, bc_addr); 76 77 mtxq = (struct mt76_txq *)vif->txq->drv_priv; 78 mtxq->wcid = &mvif->sta.wcid; 79 rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid); 80 81 out: 82 mutex_unlock(&dev->mt76.mutex); 83 84 return ret; 85 } 86 87 static void 88 mt7603_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 89 { 90 struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv; 91 struct mt7603_sta *msta = &mvif->sta; 92 struct mt7603_dev *dev = hw->priv; 93 int idx = msta->wcid.idx; 94 95 mt76_wr(dev, MT_MAC_ADDR0(mvif->idx), 0); 96 mt76_wr(dev, MT_MAC_ADDR1(mvif->idx), 0); 97 mt76_wr(dev, MT_BSSID0(mvif->idx), 0); 98 mt76_wr(dev, MT_BSSID1(mvif->idx), 0); 99 mt7603_beacon_set_timer(dev, mvif->idx, 0); 100 101 rcu_assign_pointer(dev->mt76.wcid[idx], NULL); 102 103 spin_lock_bh(&dev->sta_poll_lock); 104 if (!list_empty(&msta->poll_list)) 105 list_del_init(&msta->poll_list); 106 spin_unlock_bh(&dev->sta_poll_lock); 107 108 mutex_lock(&dev->mt76.mutex); 109 dev->mt76.vif_mask &= ~BIT(mvif->idx); 110 mutex_unlock(&dev->mt76.mutex); 111 112 mt76_packet_id_flush(&dev->mt76, &mvif->sta.wcid); 113 } 114 115 void mt7603_init_edcca(struct mt7603_dev *dev) 116 { 117 /* Set lower signal level to -65dBm */ 118 mt76_rmw_field(dev, MT_RXTD(8), MT_RXTD_8_LOWER_SIGNAL, 0x23); 119 120 /* clear previous energy detect monitor results */ 121 mt76_rr(dev, MT_MIB_STAT_ED); 122 123 if (dev->ed_monitor) 124 mt76_set(dev, MT_MIB_CTL, MT_MIB_CTL_ED_TIME); 125 else 126 mt76_clear(dev, MT_MIB_CTL, MT_MIB_CTL_ED_TIME); 127 128 dev->ed_strict_mode = 0xff; 129 dev->ed_strong_signal = 0; 130 dev->ed_time = ktime_get_boottime(); 131 132 mt7603_edcca_set_strict(dev, false); 133 } 134 135 static int 136 mt7603_set_channel(struct mt7603_dev *dev, struct cfg80211_chan_def *def) 137 { 138 u8 *rssi_data = (u8 *)dev->mt76.eeprom.data; 139 int idx, ret; 140 u8 bw = MT_BW_20; 141 bool failed = false; 142 143 cancel_delayed_work_sync(&dev->mphy.mac_work); 144 tasklet_disable(&dev->mt76.pre_tbtt_tasklet); 145 146 mutex_lock(&dev->mt76.mutex); 147 set_bit(MT76_RESET, &dev->mphy.state); 148 149 mt7603_beacon_set_timer(dev, -1, 0); 150 mt76_set_channel(&dev->mphy); 151 mt7603_mac_stop(dev); 152 153 if (def->width == NL80211_CHAN_WIDTH_40) 154 bw = MT_BW_40; 155 156 dev->mphy.chandef = *def; 157 mt76_rmw_field(dev, MT_AGG_BWCR, MT_AGG_BWCR_BW, bw); 158 ret = mt7603_mcu_set_channel(dev); 159 if (ret) { 160 failed = true; 161 goto out; 162 } 163 164 if (def->chan->band == NL80211_BAND_5GHZ) { 165 idx = 1; 166 rssi_data += MT_EE_RSSI_OFFSET_5G; 167 } else { 168 idx = 0; 169 rssi_data += MT_EE_RSSI_OFFSET_2G; 170 } 171 172 memcpy(dev->rssi_offset, rssi_data, sizeof(dev->rssi_offset)); 173 174 idx |= (def->chan - 175 mt76_hw(dev)->wiphy->bands[def->chan->band]->channels) << 1; 176 mt76_wr(dev, MT_WF_RMAC_CH_FREQ, idx); 177 mt7603_mac_set_timing(dev); 178 mt7603_mac_start(dev); 179 180 clear_bit(MT76_RESET, &dev->mphy.state); 181 182 mt76_txq_schedule_all(&dev->mphy); 183 184 ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mphy.mac_work, 185 msecs_to_jiffies(MT7603_WATCHDOG_TIME)); 186 187 /* reset channel stats */ 188 mt76_clear(dev, MT_MIB_CTL, MT_MIB_CTL_READ_CLR_DIS); 189 mt76_set(dev, MT_MIB_CTL, 190 MT_MIB_CTL_CCA_NAV_TX | MT_MIB_CTL_PSCCA_TIME); 191 mt76_rr(dev, MT_MIB_STAT_CCA); 192 mt7603_cca_stats_reset(dev); 193 194 dev->mphy.survey_time = ktime_get_boottime(); 195 196 mt7603_init_edcca(dev); 197 198 out: 199 if (!(mt76_hw(dev)->conf.flags & IEEE80211_CONF_OFFCHANNEL)) 200 mt7603_beacon_set_timer(dev, -1, dev->mt76.beacon_int); 201 mutex_unlock(&dev->mt76.mutex); 202 203 tasklet_enable(&dev->mt76.pre_tbtt_tasklet); 204 205 if (failed) 206 mt7603_mac_work(&dev->mphy.mac_work.work); 207 208 return ret; 209 } 210 211 static int 212 mt7603_config(struct ieee80211_hw *hw, u32 changed) 213 { 214 struct mt7603_dev *dev = hw->priv; 215 int ret = 0; 216 217 if (changed & (IEEE80211_CONF_CHANGE_CHANNEL | 218 IEEE80211_CONF_CHANGE_POWER)) { 219 ieee80211_stop_queues(hw); 220 ret = mt7603_set_channel(dev, &hw->conf.chandef); 221 ieee80211_wake_queues(hw); 222 } 223 224 if (changed & IEEE80211_CONF_CHANGE_MONITOR) { 225 mutex_lock(&dev->mt76.mutex); 226 227 if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) 228 dev->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC; 229 else 230 dev->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC; 231 232 mt76_wr(dev, MT_WF_RFCR, dev->rxfilter); 233 234 mutex_unlock(&dev->mt76.mutex); 235 } 236 237 return ret; 238 } 239 240 static void 241 mt7603_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, 242 unsigned int *total_flags, u64 multicast) 243 { 244 struct mt7603_dev *dev = hw->priv; 245 u32 flags = 0; 246 247 #define MT76_FILTER(_flag, _hw) do { \ 248 flags |= *total_flags & FIF_##_flag; \ 249 dev->rxfilter &= ~(_hw); \ 250 dev->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ 251 } while (0) 252 253 dev->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS | 254 MT_WF_RFCR_DROP_OTHER_BEACON | 255 MT_WF_RFCR_DROP_FRAME_REPORT | 256 MT_WF_RFCR_DROP_PROBEREQ | 257 MT_WF_RFCR_DROP_MCAST_FILTERED | 258 MT_WF_RFCR_DROP_MCAST | 259 MT_WF_RFCR_DROP_BCAST | 260 MT_WF_RFCR_DROP_DUPLICATE | 261 MT_WF_RFCR_DROP_A2_BSSID | 262 MT_WF_RFCR_DROP_UNWANTED_CTL | 263 MT_WF_RFCR_DROP_STBC_MULTI); 264 265 MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM | 266 MT_WF_RFCR_DROP_A3_MAC | 267 MT_WF_RFCR_DROP_A3_BSSID); 268 269 MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL); 270 271 MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | 272 MT_WF_RFCR_DROP_RTS | 273 MT_WF_RFCR_DROP_CTL_RSV | 274 MT_WF_RFCR_DROP_NDPA); 275 276 *total_flags = flags; 277 mt76_wr(dev, MT_WF_RFCR, dev->rxfilter); 278 } 279 280 static void 281 mt7603_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 282 struct ieee80211_bss_conf *info, u32 changed) 283 { 284 struct mt7603_dev *dev = hw->priv; 285 struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv; 286 287 mutex_lock(&dev->mt76.mutex); 288 289 if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BSSID)) { 290 if (info->assoc || info->ibss_joined) { 291 mt76_wr(dev, MT_BSSID0(mvif->idx), 292 get_unaligned_le32(info->bssid)); 293 mt76_wr(dev, MT_BSSID1(mvif->idx), 294 (get_unaligned_le16(info->bssid + 4) | 295 MT_BSSID1_VALID)); 296 } else { 297 mt76_wr(dev, MT_BSSID0(mvif->idx), 0); 298 mt76_wr(dev, MT_BSSID1(mvif->idx), 0); 299 } 300 } 301 302 if (changed & BSS_CHANGED_ERP_SLOT) { 303 int slottime = info->use_short_slot ? 9 : 20; 304 305 if (slottime != dev->slottime) { 306 dev->slottime = slottime; 307 mt7603_mac_set_timing(dev); 308 } 309 } 310 311 if (changed & (BSS_CHANGED_BEACON_ENABLED | BSS_CHANGED_BEACON_INT)) { 312 int beacon_int = !!info->enable_beacon * info->beacon_int; 313 314 tasklet_disable(&dev->mt76.pre_tbtt_tasklet); 315 mt7603_beacon_set_timer(dev, mvif->idx, beacon_int); 316 tasklet_enable(&dev->mt76.pre_tbtt_tasklet); 317 } 318 319 mutex_unlock(&dev->mt76.mutex); 320 } 321 322 int 323 mt7603_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 324 struct ieee80211_sta *sta) 325 { 326 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); 327 struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 328 struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv; 329 int idx; 330 int ret = 0; 331 332 idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7603_WTBL_STA - 1); 333 if (idx < 0) 334 return -ENOSPC; 335 336 INIT_LIST_HEAD(&msta->poll_list); 337 __skb_queue_head_init(&msta->psq); 338 msta->ps = ~0; 339 msta->smps = ~0; 340 msta->wcid.sta = 1; 341 msta->wcid.idx = idx; 342 mt7603_wtbl_init(dev, idx, mvif->idx, sta->addr); 343 mt7603_wtbl_set_ps(dev, msta, false); 344 345 if (vif->type == NL80211_IFTYPE_AP) 346 set_bit(MT_WCID_FLAG_CHECK_PS, &msta->wcid.flags); 347 348 return ret; 349 } 350 351 void 352 mt7603_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 353 struct ieee80211_sta *sta) 354 { 355 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); 356 357 mt7603_wtbl_update_cap(dev, sta); 358 } 359 360 void 361 mt7603_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 362 struct ieee80211_sta *sta) 363 { 364 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); 365 struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 366 struct mt76_wcid *wcid = (struct mt76_wcid *)sta->drv_priv; 367 368 spin_lock_bh(&dev->ps_lock); 369 __skb_queue_purge(&msta->psq); 370 mt7603_filter_tx(dev, wcid->idx, true); 371 spin_unlock_bh(&dev->ps_lock); 372 373 spin_lock_bh(&dev->sta_poll_lock); 374 if (!list_empty(&msta->poll_list)) 375 list_del_init(&msta->poll_list); 376 spin_unlock_bh(&dev->sta_poll_lock); 377 378 mt7603_wtbl_clear(dev, wcid->idx); 379 } 380 381 static void 382 mt7603_ps_tx_list(struct mt7603_dev *dev, struct sk_buff_head *list) 383 { 384 struct sk_buff *skb; 385 386 while ((skb = __skb_dequeue(list)) != NULL) { 387 int qid = skb_get_queue_mapping(skb); 388 389 mt76_tx_queue_skb_raw(dev, dev->mphy.q_tx[qid], skb, 0); 390 } 391 } 392 393 void 394 mt7603_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps) 395 { 396 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); 397 struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 398 struct sk_buff_head list; 399 400 mt76_stop_tx_queues(&dev->mphy, sta, true); 401 mt7603_wtbl_set_ps(dev, msta, ps); 402 if (ps) 403 return; 404 405 __skb_queue_head_init(&list); 406 407 spin_lock_bh(&dev->ps_lock); 408 skb_queue_splice_tail_init(&msta->psq, &list); 409 spin_unlock_bh(&dev->ps_lock); 410 411 mt7603_ps_tx_list(dev, &list); 412 } 413 414 static void 415 mt7603_ps_set_more_data(struct sk_buff *skb) 416 { 417 struct ieee80211_hdr *hdr; 418 419 hdr = (struct ieee80211_hdr *)&skb->data[MT_TXD_SIZE]; 420 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA); 421 } 422 423 static void 424 mt7603_release_buffered_frames(struct ieee80211_hw *hw, 425 struct ieee80211_sta *sta, 426 u16 tids, int nframes, 427 enum ieee80211_frame_release_type reason, 428 bool more_data) 429 { 430 struct mt7603_dev *dev = hw->priv; 431 struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 432 struct sk_buff_head list; 433 struct sk_buff *skb, *tmp; 434 435 __skb_queue_head_init(&list); 436 437 mt7603_wtbl_set_ps(dev, msta, false); 438 439 spin_lock_bh(&dev->ps_lock); 440 skb_queue_walk_safe(&msta->psq, skb, tmp) { 441 if (!nframes) 442 break; 443 444 if (!(tids & BIT(skb->priority))) 445 continue; 446 447 skb_set_queue_mapping(skb, MT_TXQ_PSD); 448 __skb_unlink(skb, &msta->psq); 449 mt7603_ps_set_more_data(skb); 450 __skb_queue_tail(&list, skb); 451 nframes--; 452 } 453 spin_unlock_bh(&dev->ps_lock); 454 455 if (!skb_queue_empty(&list)) 456 ieee80211_sta_eosp(sta); 457 458 mt7603_ps_tx_list(dev, &list); 459 460 if (nframes) 461 mt76_release_buffered_frames(hw, sta, tids, nframes, reason, 462 more_data); 463 } 464 465 static int 466 mt7603_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 467 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 468 struct ieee80211_key_conf *key) 469 { 470 struct mt7603_dev *dev = hw->priv; 471 struct mt7603_vif *mvif = (struct mt7603_vif *)vif->drv_priv; 472 struct mt7603_sta *msta = sta ? (struct mt7603_sta *)sta->drv_priv : 473 &mvif->sta; 474 struct mt76_wcid *wcid = &msta->wcid; 475 int idx = key->keyidx; 476 477 /* fall back to sw encryption for unsupported ciphers */ 478 switch (key->cipher) { 479 case WLAN_CIPHER_SUITE_TKIP: 480 case WLAN_CIPHER_SUITE_CCMP: 481 break; 482 default: 483 return -EOPNOTSUPP; 484 } 485 486 /* 487 * The hardware does not support per-STA RX GTK, fall back 488 * to software mode for these. 489 */ 490 if ((vif->type == NL80211_IFTYPE_ADHOC || 491 vif->type == NL80211_IFTYPE_MESH_POINT) && 492 (key->cipher == WLAN_CIPHER_SUITE_TKIP || 493 key->cipher == WLAN_CIPHER_SUITE_CCMP) && 494 !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 495 return -EOPNOTSUPP; 496 497 if (cmd == SET_KEY) { 498 key->hw_key_idx = wcid->idx; 499 wcid->hw_key_idx = idx; 500 } else { 501 if (idx == wcid->hw_key_idx) 502 wcid->hw_key_idx = -1; 503 504 key = NULL; 505 } 506 mt76_wcid_key_setup(&dev->mt76, wcid, key); 507 508 return mt7603_wtbl_set_key(dev, wcid->idx, key); 509 } 510 511 static int 512 mt7603_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, 513 const struct ieee80211_tx_queue_params *params) 514 { 515 struct mt7603_dev *dev = hw->priv; 516 u16 cw_min = (1 << 5) - 1; 517 u16 cw_max = (1 << 10) - 1; 518 u32 val; 519 520 queue = dev->mphy.q_tx[queue]->hw_idx; 521 522 if (params->cw_min) 523 cw_min = params->cw_min; 524 if (params->cw_max) 525 cw_max = params->cw_max; 526 527 mutex_lock(&dev->mt76.mutex); 528 mt7603_mac_stop(dev); 529 530 val = mt76_rr(dev, MT_WMM_TXOP(queue)); 531 val &= ~(MT_WMM_TXOP_MASK << MT_WMM_TXOP_SHIFT(queue)); 532 val |= params->txop << MT_WMM_TXOP_SHIFT(queue); 533 mt76_wr(dev, MT_WMM_TXOP(queue), val); 534 535 val = mt76_rr(dev, MT_WMM_AIFSN); 536 val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(queue)); 537 val |= params->aifs << MT_WMM_AIFSN_SHIFT(queue); 538 mt76_wr(dev, MT_WMM_AIFSN, val); 539 540 val = mt76_rr(dev, MT_WMM_CWMIN); 541 val &= ~(MT_WMM_CWMIN_MASK << MT_WMM_CWMIN_SHIFT(queue)); 542 val |= cw_min << MT_WMM_CWMIN_SHIFT(queue); 543 mt76_wr(dev, MT_WMM_CWMIN, val); 544 545 val = mt76_rr(dev, MT_WMM_CWMAX(queue)); 546 val &= ~(MT_WMM_CWMAX_MASK << MT_WMM_CWMAX_SHIFT(queue)); 547 val |= cw_max << MT_WMM_CWMAX_SHIFT(queue); 548 mt76_wr(dev, MT_WMM_CWMAX(queue), val); 549 550 mt7603_mac_start(dev); 551 mutex_unlock(&dev->mt76.mutex); 552 553 return 0; 554 } 555 556 static void 557 mt7603_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 558 u32 queues, bool drop) 559 { 560 } 561 562 static int 563 mt7603_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 564 struct ieee80211_ampdu_params *params) 565 { 566 enum ieee80211_ampdu_mlme_action action = params->action; 567 struct mt7603_dev *dev = hw->priv; 568 struct ieee80211_sta *sta = params->sta; 569 struct ieee80211_txq *txq = sta->txq[params->tid]; 570 struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 571 u16 tid = params->tid; 572 u16 ssn = params->ssn; 573 u8 ba_size = params->buf_size; 574 struct mt76_txq *mtxq; 575 int ret = 0; 576 577 if (!txq) 578 return -EINVAL; 579 580 mtxq = (struct mt76_txq *)txq->drv_priv; 581 582 mutex_lock(&dev->mt76.mutex); 583 switch (action) { 584 case IEEE80211_AMPDU_RX_START: 585 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, 586 params->buf_size); 587 mt7603_mac_rx_ba_reset(dev, sta->addr, tid); 588 break; 589 case IEEE80211_AMPDU_RX_STOP: 590 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 591 break; 592 case IEEE80211_AMPDU_TX_OPERATIONAL: 593 mtxq->aggr = true; 594 mtxq->send_bar = false; 595 mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, ba_size); 596 break; 597 case IEEE80211_AMPDU_TX_STOP_FLUSH: 598 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 599 mtxq->aggr = false; 600 mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, -1); 601 break; 602 case IEEE80211_AMPDU_TX_START: 603 mtxq->agg_ssn = IEEE80211_SN_TO_SEQ(ssn); 604 ret = IEEE80211_AMPDU_TX_START_IMMEDIATE; 605 break; 606 case IEEE80211_AMPDU_TX_STOP_CONT: 607 mtxq->aggr = false; 608 mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, -1); 609 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 610 break; 611 } 612 mutex_unlock(&dev->mt76.mutex); 613 614 return ret; 615 } 616 617 static void 618 mt7603_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 619 struct ieee80211_sta *sta) 620 { 621 struct mt7603_dev *dev = hw->priv; 622 struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 623 struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates); 624 int i; 625 626 spin_lock_bh(&dev->mt76.lock); 627 for (i = 0; i < ARRAY_SIZE(msta->rates); i++) { 628 msta->rates[i].idx = sta_rates->rate[i].idx; 629 msta->rates[i].count = sta_rates->rate[i].count; 630 msta->rates[i].flags = sta_rates->rate[i].flags; 631 632 if (msta->rates[i].idx < 0 || !msta->rates[i].count) 633 break; 634 } 635 msta->n_rates = i; 636 mt7603_wtbl_set_rates(dev, msta, NULL, msta->rates); 637 msta->rate_probe = false; 638 mt7603_wtbl_set_smps(dev, msta, 639 sta->smps_mode == IEEE80211_SMPS_DYNAMIC); 640 spin_unlock_bh(&dev->mt76.lock); 641 } 642 643 static void 644 mt7603_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 645 { 646 struct mt7603_dev *dev = hw->priv; 647 648 mutex_lock(&dev->mt76.mutex); 649 dev->coverage_class = max_t(s16, coverage_class, 0); 650 mt7603_mac_set_timing(dev); 651 mutex_unlock(&dev->mt76.mutex); 652 } 653 654 static void mt7603_tx(struct ieee80211_hw *hw, 655 struct ieee80211_tx_control *control, 656 struct sk_buff *skb) 657 { 658 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 659 struct ieee80211_vif *vif = info->control.vif; 660 struct mt7603_dev *dev = hw->priv; 661 struct mt76_wcid *wcid = &dev->global_sta.wcid; 662 663 if (control->sta) { 664 struct mt7603_sta *msta; 665 666 msta = (struct mt7603_sta *)control->sta->drv_priv; 667 wcid = &msta->wcid; 668 } else if (vif) { 669 struct mt7603_vif *mvif; 670 671 mvif = (struct mt7603_vif *)vif->drv_priv; 672 wcid = &mvif->sta.wcid; 673 } 674 675 mt76_tx(&dev->mphy, control->sta, wcid, skb); 676 } 677 678 const struct ieee80211_ops mt7603_ops = { 679 .tx = mt7603_tx, 680 .start = mt7603_start, 681 .stop = mt7603_stop, 682 .add_interface = mt7603_add_interface, 683 .remove_interface = mt7603_remove_interface, 684 .config = mt7603_config, 685 .configure_filter = mt7603_configure_filter, 686 .bss_info_changed = mt7603_bss_info_changed, 687 .sta_state = mt76_sta_state, 688 .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, 689 .set_key = mt7603_set_key, 690 .conf_tx = mt7603_conf_tx, 691 .sw_scan_start = mt76_sw_scan, 692 .sw_scan_complete = mt76_sw_scan_complete, 693 .flush = mt7603_flush, 694 .ampdu_action = mt7603_ampdu_action, 695 .get_txpower = mt76_get_txpower, 696 .wake_tx_queue = mt76_wake_tx_queue, 697 .sta_rate_tbl_update = mt7603_sta_rate_tbl_update, 698 .release_buffered_frames = mt7603_release_buffered_frames, 699 .set_coverage_class = mt7603_set_coverage_class, 700 .set_tim = mt76_set_tim, 701 .get_survey = mt76_get_survey, 702 .get_antenna = mt76_get_antenna, 703 }; 704 705 MODULE_LICENSE("Dual BSD/GPL"); 706 707 static int __init mt7603_init(void) 708 { 709 int ret; 710 711 ret = platform_driver_register(&mt76_wmac_driver); 712 if (ret) 713 return ret; 714 715 #ifdef CONFIG_PCI 716 ret = pci_register_driver(&mt7603_pci_driver); 717 if (ret) 718 platform_driver_unregister(&mt76_wmac_driver); 719 #endif 720 return ret; 721 } 722 723 static void __exit mt7603_exit(void) 724 { 725 #ifdef CONFIG_PCI 726 pci_unregister_driver(&mt7603_pci_driver); 727 #endif 728 platform_driver_unregister(&mt76_wmac_driver); 729 } 730 731 module_init(mt7603_init); 732 module_exit(mt7603_exit); 733