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->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 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->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_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 541 const u8 *mac) 542 { 543 struct mt7603_dev *dev = hw->priv; 544 545 set_bit(MT76_SCANNING, &dev->mt76.state); 546 } 547 548 static void 549 mt7603_sw_scan_complete(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 550 { 551 struct mt7603_dev *dev = hw->priv; 552 553 clear_bit(MT76_SCANNING, &dev->mt76.state); 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 = ¶ms->ssn; 573 u8 ba_size = params->buf_size; 574 struct mt76_txq *mtxq; 575 576 if (!txq) 577 return -EINVAL; 578 579 mtxq = (struct mt76_txq *)txq->drv_priv; 580 581 switch (action) { 582 case IEEE80211_AMPDU_RX_START: 583 mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, *ssn, 584 params->buf_size); 585 mt7603_mac_rx_ba_reset(dev, sta->addr, tid); 586 break; 587 case IEEE80211_AMPDU_RX_STOP: 588 mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); 589 break; 590 case IEEE80211_AMPDU_TX_OPERATIONAL: 591 mtxq->aggr = true; 592 mtxq->send_bar = false; 593 mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, ba_size); 594 break; 595 case IEEE80211_AMPDU_TX_STOP_FLUSH: 596 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 597 mtxq->aggr = false; 598 ieee80211_send_bar(vif, sta->addr, tid, mtxq->agg_ssn); 599 mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, -1); 600 break; 601 case IEEE80211_AMPDU_TX_START: 602 mtxq->agg_ssn = IEEE80211_SN_TO_SEQ(*ssn); 603 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); 604 break; 605 case IEEE80211_AMPDU_TX_STOP_CONT: 606 mtxq->aggr = false; 607 mt7603_mac_tx_ba_reset(dev, msta->wcid.idx, tid, -1); 608 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 609 break; 610 } 611 612 return 0; 613 } 614 615 static void 616 mt7603_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 617 struct ieee80211_sta *sta) 618 { 619 struct mt7603_dev *dev = hw->priv; 620 struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv; 621 struct ieee80211_sta_rates *sta_rates = rcu_dereference(sta->rates); 622 int i; 623 624 spin_lock_bh(&dev->mt76.lock); 625 for (i = 0; i < ARRAY_SIZE(msta->rates); i++) { 626 msta->rates[i].idx = sta_rates->rate[i].idx; 627 msta->rates[i].count = sta_rates->rate[i].count; 628 msta->rates[i].flags = sta_rates->rate[i].flags; 629 630 if (msta->rates[i].idx < 0 || !msta->rates[i].count) 631 break; 632 } 633 msta->n_rates = i; 634 mt7603_wtbl_set_rates(dev, msta, NULL, msta->rates); 635 msta->rate_probe = false; 636 mt7603_wtbl_set_smps(dev, msta, 637 sta->smps_mode == IEEE80211_SMPS_DYNAMIC); 638 spin_unlock_bh(&dev->mt76.lock); 639 } 640 641 static void 642 mt7603_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) 643 { 644 struct mt7603_dev *dev = hw->priv; 645 646 dev->coverage_class = coverage_class; 647 mt7603_mac_set_timing(dev); 648 } 649 650 static void mt7603_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, 651 struct sk_buff *skb) 652 { 653 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 654 struct ieee80211_vif *vif = info->control.vif; 655 struct mt7603_dev *dev = hw->priv; 656 struct mt76_wcid *wcid = &dev->global_sta.wcid; 657 658 if (control->sta) { 659 struct mt7603_sta *msta; 660 661 msta = (struct mt7603_sta *)control->sta->drv_priv; 662 wcid = &msta->wcid; 663 } else if (vif) { 664 struct mt7603_vif *mvif; 665 666 mvif = (struct mt7603_vif *)vif->drv_priv; 667 wcid = &mvif->sta.wcid; 668 } 669 670 mt76_tx(&dev->mt76, control->sta, wcid, skb); 671 } 672 673 const struct ieee80211_ops mt7603_ops = { 674 .tx = mt7603_tx, 675 .start = mt7603_start, 676 .stop = mt7603_stop, 677 .add_interface = mt7603_add_interface, 678 .remove_interface = mt7603_remove_interface, 679 .config = mt7603_config, 680 .configure_filter = mt7603_configure_filter, 681 .bss_info_changed = mt7603_bss_info_changed, 682 .sta_state = mt76_sta_state, 683 .set_key = mt7603_set_key, 684 .conf_tx = mt7603_conf_tx, 685 .sw_scan_start = mt7603_sw_scan, 686 .sw_scan_complete = mt7603_sw_scan_complete, 687 .flush = mt7603_flush, 688 .ampdu_action = mt7603_ampdu_action, 689 .get_txpower = mt76_get_txpower, 690 .wake_tx_queue = mt76_wake_tx_queue, 691 .sta_rate_tbl_update = mt7603_sta_rate_tbl_update, 692 .release_buffered_frames = mt7603_release_buffered_frames, 693 .set_coverage_class = mt7603_set_coverage_class, 694 .set_tim = mt76_set_tim, 695 .get_survey = mt76_get_survey, 696 }; 697 698 MODULE_LICENSE("Dual BSD/GPL"); 699 700 static int __init mt7603_init(void) 701 { 702 int ret; 703 704 ret = platform_driver_register(&mt76_wmac_driver); 705 if (ret) 706 return ret; 707 708 #ifdef CONFIG_PCI 709 ret = pci_register_driver(&mt7603_pci_driver); 710 if (ret) 711 platform_driver_unregister(&mt76_wmac_driver); 712 #endif 713 return ret; 714 } 715 716 static void __exit mt7603_exit(void) 717 { 718 #ifdef CONFIG_PCI 719 pci_unregister_driver(&mt7603_pci_driver); 720 #endif 721 platform_driver_unregister(&mt76_wmac_driver); 722 } 723 724 module_init(mt7603_init); 725 module_exit(mt7603_exit); 726