1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2020 MediaTek Inc. */ 3 4 #include <linux/fs.h> 5 #include <linux/firmware.h> 6 #include "mt7921.h" 7 #include "mcu.h" 8 #include "../mt76_connac2_mac.h" 9 #include "../mt792x_trace.h" 10 11 #define MT_STA_BFER BIT(0) 12 #define MT_STA_BFEE BIT(1) 13 14 static bool mt7921_disable_clc; 15 module_param_named(disable_clc, mt7921_disable_clc, bool, 0644); 16 MODULE_PARM_DESC(disable_clc, "disable CLC support"); 17 18 int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd, 19 struct sk_buff *skb, int seq) 20 { 21 int mcu_cmd = FIELD_GET(__MCU_CMD_FIELD_ID, cmd); 22 struct mt76_connac2_mcu_rxd *rxd; 23 int ret = 0; 24 25 if (!skb) { 26 dev_err(mdev->dev, "Message %08x (seq %d) timeout\n", 27 cmd, seq); 28 mt792x_reset(mdev); 29 30 return -ETIMEDOUT; 31 } 32 33 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 34 if (seq != rxd->seq) 35 return -EAGAIN; 36 37 if (cmd == MCU_CMD(PATCH_SEM_CONTROL) || 38 cmd == MCU_CMD(PATCH_FINISH_REQ)) { 39 skb_pull(skb, sizeof(*rxd) - 4); 40 ret = *skb->data; 41 } else if (cmd == MCU_EXT_CMD(THERMAL_CTRL)) { 42 skb_pull(skb, sizeof(*rxd) + 4); 43 ret = le32_to_cpu(*(__le32 *)skb->data); 44 } else if (cmd == MCU_UNI_CMD(DEV_INFO_UPDATE) || 45 cmd == MCU_UNI_CMD(BSS_INFO_UPDATE) || 46 cmd == MCU_UNI_CMD(STA_REC_UPDATE) || 47 cmd == MCU_UNI_CMD(HIF_CTRL) || 48 cmd == MCU_UNI_CMD(OFFLOAD) || 49 cmd == MCU_UNI_CMD(SUSPEND)) { 50 struct mt76_connac_mcu_uni_event *event; 51 52 skb_pull(skb, sizeof(*rxd)); 53 event = (struct mt76_connac_mcu_uni_event *)skb->data; 54 ret = le32_to_cpu(event->status); 55 /* skip invalid event */ 56 if (mcu_cmd != event->cid) 57 ret = -EAGAIN; 58 } else if (cmd == MCU_CE_QUERY(REG_READ)) { 59 struct mt76_connac_mcu_reg_event *event; 60 61 skb_pull(skb, sizeof(*rxd)); 62 event = (struct mt76_connac_mcu_reg_event *)skb->data; 63 ret = (int)le32_to_cpu(event->val); 64 } else { 65 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd)); 66 } 67 68 return ret; 69 } 70 EXPORT_SYMBOL_GPL(mt7921_mcu_parse_response); 71 72 static int mt7921_mcu_read_eeprom(struct mt792x_dev *dev, u32 offset, u8 *val) 73 { 74 struct mt7921_mcu_eeprom_info *res, req = { 75 .addr = cpu_to_le32(round_down(offset, 76 MT7921_EEPROM_BLOCK_SIZE)), 77 }; 78 struct sk_buff *skb; 79 int ret; 80 81 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_QUERY(EFUSE_ACCESS), 82 &req, sizeof(req), true, &skb); 83 if (ret) 84 return ret; 85 86 res = (struct mt7921_mcu_eeprom_info *)skb->data; 87 *val = res->data[offset % MT7921_EEPROM_BLOCK_SIZE]; 88 dev_kfree_skb(skb); 89 90 return 0; 91 } 92 93 #ifdef CONFIG_PM 94 95 static int 96 mt7921_mcu_set_ipv6_ns_filter(struct mt76_dev *dev, 97 struct ieee80211_vif *vif, bool suspend) 98 { 99 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 100 struct { 101 struct { 102 u8 bss_idx; 103 u8 pad[3]; 104 } __packed hdr; 105 struct mt76_connac_arpns_tlv arpns; 106 } req = { 107 .hdr = { 108 .bss_idx = mvif->mt76.idx, 109 }, 110 .arpns = { 111 .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND), 112 .len = cpu_to_le16(sizeof(struct mt76_connac_arpns_tlv)), 113 .mode = suspend, 114 }, 115 }; 116 117 return mt76_mcu_send_msg(dev, MCU_UNI_CMD_OFFLOAD, &req, sizeof(req), 118 true); 119 } 120 121 void mt7921_mcu_set_suspend_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) 122 { 123 if (IS_ENABLED(CONFIG_IPV6)) { 124 struct mt76_phy *phy = priv; 125 126 mt7921_mcu_set_ipv6_ns_filter(phy->dev, vif, 127 !test_bit(MT76_STATE_RUNNING, 128 &phy->state)); 129 } 130 131 mt76_connac_mcu_set_suspend_iter(priv, mac, vif); 132 } 133 134 #endif /* CONFIG_PM */ 135 136 static void 137 mt7921_mcu_uni_roc_event(struct mt792x_dev *dev, struct sk_buff *skb) 138 { 139 struct mt7921_roc_grant_tlv *grant; 140 struct mt76_connac2_mcu_rxd *rxd; 141 int duration; 142 143 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 144 grant = (struct mt7921_roc_grant_tlv *)(rxd->tlv + 4); 145 146 /* should never happen */ 147 WARN_ON_ONCE((le16_to_cpu(grant->tag) != UNI_EVENT_ROC_GRANT)); 148 149 if (grant->reqtype == MT7921_ROC_REQ_ROC) 150 ieee80211_ready_on_channel(dev->mt76.phy.hw); 151 152 dev->phy.roc_grant = true; 153 wake_up(&dev->phy.roc_wait); 154 duration = le32_to_cpu(grant->max_interval); 155 mod_timer(&dev->phy.roc_timer, 156 jiffies + msecs_to_jiffies(duration)); 157 } 158 159 static void 160 mt7921_mcu_scan_event(struct mt792x_dev *dev, struct sk_buff *skb) 161 { 162 struct mt76_phy *mphy = &dev->mt76.phy; 163 struct mt792x_phy *phy = (struct mt792x_phy *)mphy->priv; 164 165 spin_lock_bh(&dev->mt76.lock); 166 __skb_queue_tail(&phy->scan_event_list, skb); 167 spin_unlock_bh(&dev->mt76.lock); 168 169 ieee80211_queue_delayed_work(mphy->hw, &phy->scan_work, 170 MT792x_HW_SCAN_TIMEOUT); 171 } 172 173 static void 174 mt7921_mcu_connection_loss_iter(void *priv, u8 *mac, 175 struct ieee80211_vif *vif) 176 { 177 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 178 struct mt76_connac_beacon_loss_event *event = priv; 179 180 if (mvif->idx != event->bss_idx) 181 return; 182 183 if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER) || 184 vif->type != NL80211_IFTYPE_STATION) 185 return; 186 187 ieee80211_connection_loss(vif); 188 } 189 190 static void 191 mt7921_mcu_connection_loss_event(struct mt792x_dev *dev, struct sk_buff *skb) 192 { 193 struct mt76_connac_beacon_loss_event *event; 194 struct mt76_phy *mphy = &dev->mt76.phy; 195 196 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd)); 197 event = (struct mt76_connac_beacon_loss_event *)skb->data; 198 199 ieee80211_iterate_active_interfaces_atomic(mphy->hw, 200 IEEE80211_IFACE_ITER_RESUME_ALL, 201 mt7921_mcu_connection_loss_iter, event); 202 } 203 204 static void 205 mt7921_mcu_debug_msg_event(struct mt792x_dev *dev, struct sk_buff *skb) 206 { 207 struct mt7921_debug_msg { 208 __le16 id; 209 u8 type; 210 u8 flag; 211 __le32 value; 212 __le16 len; 213 u8 content[512]; 214 } __packed * msg; 215 216 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd)); 217 msg = (struct mt7921_debug_msg *)skb->data; 218 219 if (msg->type == 3) { /* fw log */ 220 u16 len = min_t(u16, le16_to_cpu(msg->len), 512); 221 int i; 222 223 for (i = 0 ; i < len; i++) { 224 if (!msg->content[i]) 225 msg->content[i] = ' '; 226 } 227 wiphy_info(mt76_hw(dev)->wiphy, "%.*s", len, msg->content); 228 } 229 } 230 231 static void 232 mt7921_mcu_low_power_event(struct mt792x_dev *dev, struct sk_buff *skb) 233 { 234 struct mt7921_mcu_lp_event { 235 u8 state; 236 u8 reserved[3]; 237 } __packed * event; 238 239 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd)); 240 event = (struct mt7921_mcu_lp_event *)skb->data; 241 242 trace_lp_event(dev, event->state); 243 } 244 245 static void 246 mt7921_mcu_tx_done_event(struct mt792x_dev *dev, struct sk_buff *skb) 247 { 248 struct mt7921_mcu_tx_done_event *event; 249 250 skb_pull(skb, sizeof(struct mt76_connac2_mcu_rxd)); 251 event = (struct mt7921_mcu_tx_done_event *)skb->data; 252 253 mt7921_mac_add_txs(dev, event->txs); 254 } 255 256 static void 257 mt7921_mcu_rx_unsolicited_event(struct mt792x_dev *dev, struct sk_buff *skb) 258 { 259 struct mt76_connac2_mcu_rxd *rxd; 260 261 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 262 switch (rxd->eid) { 263 case MCU_EVENT_BSS_BEACON_LOSS: 264 mt7921_mcu_connection_loss_event(dev, skb); 265 break; 266 case MCU_EVENT_SCHED_SCAN_DONE: 267 case MCU_EVENT_SCAN_DONE: 268 mt7921_mcu_scan_event(dev, skb); 269 return; 270 case MCU_EVENT_DBG_MSG: 271 mt7921_mcu_debug_msg_event(dev, skb); 272 break; 273 case MCU_EVENT_COREDUMP: 274 dev->fw_assert = true; 275 mt76_connac_mcu_coredump_event(&dev->mt76, skb, 276 &dev->coredump); 277 return; 278 case MCU_EVENT_LP_INFO: 279 mt7921_mcu_low_power_event(dev, skb); 280 break; 281 case MCU_EVENT_TX_DONE: 282 mt7921_mcu_tx_done_event(dev, skb); 283 break; 284 default: 285 break; 286 } 287 dev_kfree_skb(skb); 288 } 289 290 static void 291 mt7921_mcu_uni_rx_unsolicited_event(struct mt792x_dev *dev, 292 struct sk_buff *skb) 293 { 294 struct mt76_connac2_mcu_rxd *rxd; 295 296 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 297 298 switch (rxd->eid) { 299 case MCU_UNI_EVENT_ROC: 300 mt7921_mcu_uni_roc_event(dev, skb); 301 break; 302 default: 303 break; 304 } 305 dev_kfree_skb(skb); 306 } 307 308 void mt7921_mcu_rx_event(struct mt792x_dev *dev, struct sk_buff *skb) 309 { 310 struct mt76_connac2_mcu_rxd *rxd; 311 312 if (skb_linearize(skb)) 313 return; 314 315 rxd = (struct mt76_connac2_mcu_rxd *)skb->data; 316 317 if (rxd->option & MCU_UNI_CMD_UNSOLICITED_EVENT) { 318 mt7921_mcu_uni_rx_unsolicited_event(dev, skb); 319 return; 320 } 321 322 if (rxd->eid == 0x6) { 323 mt76_mcu_rx_event(&dev->mt76, skb); 324 return; 325 } 326 327 if (rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT || 328 rxd->eid == MCU_EVENT_BSS_BEACON_LOSS || 329 rxd->eid == MCU_EVENT_SCHED_SCAN_DONE || 330 rxd->eid == MCU_EVENT_SCAN_DONE || 331 rxd->eid == MCU_EVENT_TX_DONE || 332 rxd->eid == MCU_EVENT_DBG_MSG || 333 rxd->eid == MCU_EVENT_COREDUMP || 334 rxd->eid == MCU_EVENT_LP_INFO || 335 !rxd->seq) 336 mt7921_mcu_rx_unsolicited_event(dev, skb); 337 else 338 mt76_mcu_rx_event(&dev->mt76, skb); 339 } 340 341 /** starec & wtbl **/ 342 int mt7921_mcu_uni_tx_ba(struct mt792x_dev *dev, 343 struct ieee80211_ampdu_params *params, 344 bool enable) 345 { 346 struct mt792x_sta *msta = (struct mt792x_sta *)params->sta->drv_priv; 347 348 if (enable && !params->amsdu) 349 msta->wcid.amsdu = false; 350 351 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->mt76, params, 352 MCU_UNI_CMD(STA_REC_UPDATE), 353 enable, true); 354 } 355 356 int mt7921_mcu_uni_rx_ba(struct mt792x_dev *dev, 357 struct ieee80211_ampdu_params *params, 358 bool enable) 359 { 360 struct mt792x_sta *msta = (struct mt792x_sta *)params->sta->drv_priv; 361 362 return mt76_connac_mcu_sta_ba(&dev->mt76, &msta->vif->mt76, params, 363 MCU_UNI_CMD(STA_REC_UPDATE), 364 enable, false); 365 } 366 367 static int mt7921_load_clc(struct mt792x_dev *dev, const char *fw_name) 368 { 369 const struct mt76_connac2_fw_trailer *hdr; 370 const struct mt76_connac2_fw_region *region; 371 const struct mt7921_clc *clc; 372 struct mt76_dev *mdev = &dev->mt76; 373 struct mt792x_phy *phy = &dev->phy; 374 const struct firmware *fw; 375 int ret, i, len, offset = 0; 376 #if defined(__linux__) 377 u8 *clc_base = NULL, hw_encap = 0; 378 #elif defined(__FreeBSD__) 379 const u8 *clc_base = NULL; 380 u8 hw_encap = 0; 381 #endif 382 383 if (mt7921_disable_clc || 384 mt76_is_usb(&dev->mt76)) 385 return 0; 386 387 if (mt76_is_mmio(&dev->mt76)) { 388 ret = mt7921_mcu_read_eeprom(dev, MT_EE_HW_TYPE, &hw_encap); 389 if (ret) 390 return ret; 391 hw_encap = u8_get_bits(hw_encap, MT_EE_HW_TYPE_ENCAP); 392 } 393 394 ret = request_firmware(&fw, fw_name, mdev->dev); 395 if (ret) 396 return ret; 397 398 if (!fw || !fw->data || fw->size < sizeof(*hdr)) { 399 dev_err(mdev->dev, "Invalid firmware\n"); 400 ret = -EINVAL; 401 goto out; 402 } 403 404 hdr = (const void *)(fw->data + fw->size - sizeof(*hdr)); 405 for (i = 0; i < hdr->n_region; i++) { 406 region = (const void *)((const u8 *)hdr - 407 (hdr->n_region - i) * sizeof(*region)); 408 len = le32_to_cpu(region->len); 409 410 /* check if we have valid buffer size */ 411 if (offset + len > fw->size) { 412 dev_err(mdev->dev, "Invalid firmware region\n"); 413 ret = -EINVAL; 414 goto out; 415 } 416 417 if ((region->feature_set & FW_FEATURE_NON_DL) && 418 region->type == FW_TYPE_CLC) { 419 #if defined(__linux__) 420 clc_base = (u8 *)(fw->data + offset); 421 #elif defined(__FreeBSD__) 422 clc_base = (const u8 *)(fw->data + offset); 423 #endif 424 break; 425 } 426 offset += len; 427 } 428 429 if (!clc_base) 430 goto out; 431 432 for (offset = 0; offset < len; offset += le32_to_cpu(clc->len)) { 433 clc = (const struct mt7921_clc *)(clc_base + offset); 434 435 /* do not init buf again if chip reset triggered */ 436 if (phy->clc[clc->idx]) 437 continue; 438 439 /* header content sanity */ 440 if (clc->idx == MT7921_CLC_POWER && 441 u8_get_bits(clc->type, MT_EE_HW_TYPE_ENCAP) != hw_encap) 442 continue; 443 444 phy->clc[clc->idx] = devm_kmemdup(mdev->dev, clc, 445 le32_to_cpu(clc->len), 446 GFP_KERNEL); 447 448 if (!phy->clc[clc->idx]) { 449 ret = -ENOMEM; 450 goto out; 451 } 452 } 453 ret = mt7921_mcu_set_clc(dev, "00", ENVIRON_INDOOR); 454 out: 455 release_firmware(fw); 456 457 return ret; 458 } 459 460 int mt7921_mcu_fw_log_2_host(struct mt792x_dev *dev, u8 ctrl) 461 { 462 struct { 463 u8 ctrl_val; 464 u8 pad[3]; 465 } data = { 466 .ctrl_val = ctrl 467 }; 468 469 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(FWLOG_2_HOST), 470 &data, sizeof(data), false); 471 } 472 473 int mt7921_run_firmware(struct mt792x_dev *dev) 474 { 475 int err; 476 477 err = mt792x_load_firmware(dev); 478 if (err) 479 return err; 480 481 err = mt76_connac_mcu_get_nic_capability(&dev->mphy); 482 if (err) 483 return err; 484 485 set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); 486 err = mt7921_load_clc(dev, mt792x_ram_name(dev)); 487 if (err) 488 return err; 489 490 return mt7921_mcu_fw_log_2_host(dev, 1); 491 } 492 EXPORT_SYMBOL_GPL(mt7921_run_firmware); 493 494 int mt7921_mcu_set_tx(struct mt792x_dev *dev, struct ieee80211_vif *vif) 495 { 496 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 497 struct edca { 498 __le16 cw_min; 499 __le16 cw_max; 500 __le16 txop; 501 __le16 aifs; 502 u8 guardtime; 503 u8 acm; 504 } __packed; 505 struct mt7921_mcu_tx { 506 struct edca edca[IEEE80211_NUM_ACS]; 507 u8 bss_idx; 508 u8 qos; 509 u8 wmm_idx; 510 u8 pad; 511 } __packed req = { 512 .bss_idx = mvif->mt76.idx, 513 .qos = vif->bss_conf.qos, 514 .wmm_idx = mvif->mt76.wmm_idx, 515 }; 516 struct mu_edca { 517 u8 cw_min; 518 u8 cw_max; 519 u8 aifsn; 520 u8 acm; 521 u8 timer; 522 u8 padding[3]; 523 }; 524 struct mt7921_mcu_mu_tx { 525 u8 ver; 526 u8 pad0; 527 __le16 len; 528 u8 bss_idx; 529 u8 qos; 530 u8 wmm_idx; 531 u8 pad1; 532 struct mu_edca edca[IEEE80211_NUM_ACS]; 533 u8 pad3[32]; 534 } __packed req_mu = { 535 .bss_idx = mvif->mt76.idx, 536 .qos = vif->bss_conf.qos, 537 .wmm_idx = mvif->mt76.wmm_idx, 538 }; 539 static const int to_aci[] = { 1, 0, 2, 3 }; 540 int ac, ret; 541 542 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 543 struct ieee80211_tx_queue_params *q = &mvif->queue_params[ac]; 544 struct edca *e = &req.edca[to_aci[ac]]; 545 546 e->aifs = cpu_to_le16(q->aifs); 547 e->txop = cpu_to_le16(q->txop); 548 549 if (q->cw_min) 550 e->cw_min = cpu_to_le16(q->cw_min); 551 else 552 e->cw_min = cpu_to_le16(5); 553 554 if (q->cw_max) 555 e->cw_max = cpu_to_le16(q->cw_max); 556 else 557 e->cw_max = cpu_to_le16(10); 558 } 559 560 ret = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_EDCA_PARMS), &req, 561 sizeof(req), false); 562 if (ret) 563 return ret; 564 565 if (!vif->bss_conf.he_support) 566 return 0; 567 568 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 569 struct ieee80211_he_mu_edca_param_ac_rec *q; 570 struct mu_edca *e; 571 572 if (!mvif->queue_params[ac].mu_edca) 573 break; 574 575 q = &mvif->queue_params[ac].mu_edca_param_rec; 576 e = &(req_mu.edca[to_aci[ac]]); 577 578 e->cw_min = q->ecw_min_max & 0xf; 579 e->cw_max = (q->ecw_min_max & 0xf0) >> 4; 580 e->aifsn = q->aifsn; 581 e->timer = q->mu_edca_timer; 582 } 583 584 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_MU_EDCA_PARMS), 585 &req_mu, sizeof(req_mu), false); 586 } 587 588 int mt7921_mcu_set_roc(struct mt792x_phy *phy, struct mt792x_vif *vif, 589 struct ieee80211_channel *chan, int duration, 590 enum mt7921_roc_req type, u8 token_id) 591 { 592 int center_ch = ieee80211_frequency_to_channel(chan->center_freq); 593 struct mt792x_dev *dev = phy->dev; 594 struct { 595 struct { 596 u8 rsv[4]; 597 } __packed hdr; 598 struct roc_acquire_tlv { 599 __le16 tag; 600 __le16 len; 601 u8 bss_idx; 602 u8 tokenid; 603 u8 control_channel; 604 u8 sco; 605 u8 band; 606 u8 bw; 607 u8 center_chan; 608 u8 center_chan2; 609 u8 bw_from_ap; 610 u8 center_chan_from_ap; 611 u8 center_chan2_from_ap; 612 u8 reqtype; 613 __le32 maxinterval; 614 u8 dbdcband; 615 u8 rsv[3]; 616 } __packed roc; 617 } __packed req = { 618 .roc = { 619 .tag = cpu_to_le16(UNI_ROC_ACQUIRE), 620 .len = cpu_to_le16(sizeof(struct roc_acquire_tlv)), 621 .tokenid = token_id, 622 .reqtype = type, 623 .maxinterval = cpu_to_le32(duration), 624 .bss_idx = vif->mt76.idx, 625 .control_channel = chan->hw_value, 626 .bw = CMD_CBW_20MHZ, 627 .bw_from_ap = CMD_CBW_20MHZ, 628 .center_chan = center_ch, 629 .center_chan_from_ap = center_ch, 630 .dbdcband = 0xff, /* auto */ 631 }, 632 }; 633 634 if (chan->hw_value < center_ch) 635 req.roc.sco = 1; /* SCA */ 636 else if (chan->hw_value > center_ch) 637 req.roc.sco = 3; /* SCB */ 638 639 switch (chan->band) { 640 case NL80211_BAND_6GHZ: 641 req.roc.band = 3; 642 break; 643 case NL80211_BAND_5GHZ: 644 req.roc.band = 2; 645 break; 646 default: 647 req.roc.band = 1; 648 break; 649 } 650 651 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(ROC), 652 &req, sizeof(req), false); 653 } 654 655 int mt7921_mcu_abort_roc(struct mt792x_phy *phy, struct mt792x_vif *vif, 656 u8 token_id) 657 { 658 struct mt792x_dev *dev = phy->dev; 659 struct { 660 struct { 661 u8 rsv[4]; 662 } __packed hdr; 663 struct roc_abort_tlv { 664 __le16 tag; 665 __le16 len; 666 u8 bss_idx; 667 u8 tokenid; 668 u8 dbdcband; 669 u8 rsv[5]; 670 } __packed abort; 671 } __packed req = { 672 .abort = { 673 .tag = cpu_to_le16(UNI_ROC_ABORT), 674 .len = cpu_to_le16(sizeof(struct roc_abort_tlv)), 675 .tokenid = token_id, 676 .bss_idx = vif->mt76.idx, 677 .dbdcband = 0xff, /* auto*/ 678 }, 679 }; 680 681 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(ROC), 682 &req, sizeof(req), false); 683 } 684 685 int mt7921_mcu_set_chan_info(struct mt792x_phy *phy, int cmd) 686 { 687 struct mt792x_dev *dev = phy->dev; 688 struct cfg80211_chan_def *chandef = &phy->mt76->chandef; 689 int freq1 = chandef->center_freq1; 690 struct { 691 u8 control_ch; 692 u8 center_ch; 693 u8 bw; 694 u8 tx_streams_num; 695 u8 rx_streams; /* mask or num */ 696 u8 switch_reason; 697 u8 band_idx; 698 u8 center_ch2; /* for 80+80 only */ 699 __le16 cac_case; 700 u8 channel_band; 701 u8 rsv0; 702 __le32 outband_freq; 703 u8 txpower_drop; 704 u8 ap_bw; 705 u8 ap_center_ch; 706 u8 rsv1[57]; 707 } __packed req = { 708 .control_ch = chandef->chan->hw_value, 709 .center_ch = ieee80211_frequency_to_channel(freq1), 710 .bw = mt76_connac_chan_bw(chandef), 711 .tx_streams_num = hweight8(phy->mt76->antenna_mask), 712 .rx_streams = phy->mt76->antenna_mask, 713 .band_idx = phy != &dev->phy, 714 }; 715 716 if (chandef->chan->band == NL80211_BAND_6GHZ) 717 req.channel_band = 2; 718 else 719 req.channel_band = chandef->chan->band; 720 721 if (cmd == MCU_EXT_CMD(SET_RX_PATH) || 722 dev->mt76.hw->conf.flags & IEEE80211_CONF_MONITOR) 723 req.switch_reason = CH_SWITCH_NORMAL; 724 else if (dev->mt76.hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) 725 req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD; 726 else if (!cfg80211_reg_can_beacon(dev->mt76.hw->wiphy, chandef, 727 NL80211_IFTYPE_AP)) 728 req.switch_reason = CH_SWITCH_DFS; 729 else 730 req.switch_reason = CH_SWITCH_NORMAL; 731 732 if (cmd == MCU_EXT_CMD(CHANNEL_SWITCH)) 733 req.rx_streams = hweight8(req.rx_streams); 734 735 if (chandef->width == NL80211_CHAN_WIDTH_80P80) { 736 int freq2 = chandef->center_freq2; 737 738 req.center_ch2 = ieee80211_frequency_to_channel(freq2); 739 } 740 741 return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true); 742 } 743 744 int mt7921_mcu_set_eeprom(struct mt792x_dev *dev) 745 { 746 struct req_hdr { 747 u8 buffer_mode; 748 u8 format; 749 __le16 len; 750 } __packed req = { 751 .buffer_mode = EE_MODE_EFUSE, 752 .format = EE_FORMAT_WHOLE, 753 }; 754 755 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(EFUSE_BUFFER_MODE), 756 &req, sizeof(req), true); 757 } 758 EXPORT_SYMBOL_GPL(mt7921_mcu_set_eeprom); 759 760 int mt7921_mcu_uni_bss_ps(struct mt792x_dev *dev, struct ieee80211_vif *vif) 761 { 762 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 763 struct { 764 struct { 765 u8 bss_idx; 766 u8 pad[3]; 767 } __packed hdr; 768 struct ps_tlv { 769 __le16 tag; 770 __le16 len; 771 u8 ps_state; /* 0: device awake 772 * 1: static power save 773 * 2: dynamic power saving 774 * 3: enter TWT power saving 775 * 4: leave TWT power saving 776 */ 777 u8 pad[3]; 778 } __packed ps; 779 } __packed ps_req = { 780 .hdr = { 781 .bss_idx = mvif->mt76.idx, 782 }, 783 .ps = { 784 .tag = cpu_to_le16(UNI_BSS_INFO_PS), 785 .len = cpu_to_le16(sizeof(struct ps_tlv)), 786 .ps_state = vif->cfg.ps ? 2 : 0, 787 }, 788 }; 789 790 if (vif->type != NL80211_IFTYPE_STATION) 791 return -EOPNOTSUPP; 792 793 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE), 794 &ps_req, sizeof(ps_req), true); 795 } 796 797 static int 798 mt7921_mcu_uni_bss_bcnft(struct mt792x_dev *dev, struct ieee80211_vif *vif, 799 bool enable) 800 { 801 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 802 struct { 803 struct { 804 u8 bss_idx; 805 u8 pad[3]; 806 } __packed hdr; 807 struct bcnft_tlv { 808 __le16 tag; 809 __le16 len; 810 __le16 bcn_interval; 811 u8 dtim_period; 812 u8 pad; 813 } __packed bcnft; 814 } __packed bcnft_req = { 815 .hdr = { 816 .bss_idx = mvif->mt76.idx, 817 }, 818 .bcnft = { 819 .tag = cpu_to_le16(UNI_BSS_INFO_BCNFT), 820 .len = cpu_to_le16(sizeof(struct bcnft_tlv)), 821 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int), 822 .dtim_period = vif->bss_conf.dtim_period, 823 }, 824 }; 825 826 if (vif->type != NL80211_IFTYPE_STATION) 827 return 0; 828 829 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE), 830 &bcnft_req, sizeof(bcnft_req), true); 831 } 832 833 int 834 mt7921_mcu_set_bss_pm(struct mt792x_dev *dev, struct ieee80211_vif *vif, 835 bool enable) 836 { 837 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 838 struct { 839 u8 bss_idx; 840 u8 dtim_period; 841 __le16 aid; 842 __le16 bcn_interval; 843 __le16 atim_window; 844 u8 uapsd; 845 u8 bmc_delivered_ac; 846 u8 bmc_triggered_ac; 847 u8 pad; 848 } req = { 849 .bss_idx = mvif->mt76.idx, 850 .aid = cpu_to_le16(vif->cfg.aid), 851 .dtim_period = vif->bss_conf.dtim_period, 852 .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int), 853 }; 854 struct { 855 u8 bss_idx; 856 u8 pad[3]; 857 } req_hdr = { 858 .bss_idx = mvif->mt76.idx, 859 }; 860 int err; 861 862 err = mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_ABORT), 863 &req_hdr, sizeof(req_hdr), false); 864 if (err < 0 || !enable) 865 return err; 866 867 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_BSS_CONNECTED), 868 &req, sizeof(req), false); 869 } 870 871 int mt7921_mcu_sta_update(struct mt792x_dev *dev, struct ieee80211_sta *sta, 872 struct ieee80211_vif *vif, bool enable, 873 enum mt76_sta_info_state state) 874 { 875 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 876 int rssi = -ewma_rssi_read(&mvif->rssi); 877 struct mt76_sta_cmd_info info = { 878 .sta = sta, 879 .vif = vif, 880 .enable = enable, 881 .cmd = MCU_UNI_CMD(STA_REC_UPDATE), 882 .state = state, 883 .offload_fw = true, 884 .rcpi = to_rcpi(rssi), 885 }; 886 struct mt792x_sta *msta; 887 888 msta = sta ? (struct mt792x_sta *)sta->drv_priv : NULL; 889 info.wcid = msta ? &msta->wcid : &mvif->sta.wcid; 890 info.newly = msta ? state != MT76_STA_INFO_STATE_ASSOC : true; 891 892 return mt76_connac_mcu_sta_cmd(&dev->mphy, &info); 893 } 894 895 int mt7921_mcu_set_beacon_filter(struct mt792x_dev *dev, 896 struct ieee80211_vif *vif, 897 bool enable) 898 { 899 #define MT7921_FIF_BIT_CLR BIT(1) 900 #define MT7921_FIF_BIT_SET BIT(0) 901 int err; 902 903 if (enable) { 904 err = mt7921_mcu_uni_bss_bcnft(dev, vif, true); 905 if (err) 906 return err; 907 908 err = mt7921_mcu_set_rxfilter(dev, 0, 909 MT7921_FIF_BIT_SET, 910 MT_WF_RFCR_DROP_OTHER_BEACON); 911 if (err) 912 return err; 913 914 return 0; 915 } 916 917 err = mt7921_mcu_set_bss_pm(dev, vif, false); 918 if (err) 919 return err; 920 921 err = mt7921_mcu_set_rxfilter(dev, 0, 922 MT7921_FIF_BIT_CLR, 923 MT_WF_RFCR_DROP_OTHER_BEACON); 924 if (err) 925 return err; 926 927 return 0; 928 } 929 930 int mt7921_get_txpwr_info(struct mt792x_dev *dev, struct mt7921_txpwr *txpwr) 931 { 932 struct mt7921_txpwr_event *event; 933 struct mt7921_txpwr_req req = { 934 .dbdc_idx = 0, 935 }; 936 struct sk_buff *skb; 937 int ret; 938 939 ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CE_CMD(GET_TXPWR), 940 &req, sizeof(req), true, &skb); 941 if (ret) 942 return ret; 943 944 event = (struct mt7921_txpwr_event *)skb->data; 945 WARN_ON(skb->len != le16_to_cpu(event->len)); 946 memcpy(txpwr, &event->txpwr, sizeof(event->txpwr)); 947 948 dev_kfree_skb(skb); 949 950 return 0; 951 } 952 953 int mt7921_mcu_set_sniffer(struct mt792x_dev *dev, struct ieee80211_vif *vif, 954 bool enable) 955 { 956 struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; 957 struct { 958 struct { 959 u8 band_idx; 960 u8 pad[3]; 961 } __packed hdr; 962 struct sniffer_enable_tlv { 963 __le16 tag; 964 __le16 len; 965 u8 enable; 966 u8 pad[3]; 967 } __packed enable; 968 } req = { 969 .hdr = { 970 .band_idx = mvif->band_idx, 971 }, 972 .enable = { 973 .tag = cpu_to_le16(0), 974 .len = cpu_to_le16(sizeof(struct sniffer_enable_tlv)), 975 .enable = enable, 976 }, 977 }; 978 979 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(SNIFFER), &req, sizeof(req), 980 true); 981 } 982 983 int mt7921_mcu_config_sniffer(struct mt792x_vif *vif, 984 struct ieee80211_chanctx_conf *ctx) 985 { 986 struct cfg80211_chan_def *chandef = &ctx->def; 987 int freq1 = chandef->center_freq1, freq2 = chandef->center_freq2; 988 const u8 ch_band[] = { 989 [NL80211_BAND_2GHZ] = 1, 990 [NL80211_BAND_5GHZ] = 2, 991 [NL80211_BAND_6GHZ] = 3, 992 }; 993 const u8 ch_width[] = { 994 [NL80211_CHAN_WIDTH_20_NOHT] = 0, 995 [NL80211_CHAN_WIDTH_20] = 0, 996 [NL80211_CHAN_WIDTH_40] = 0, 997 [NL80211_CHAN_WIDTH_80] = 1, 998 [NL80211_CHAN_WIDTH_160] = 2, 999 [NL80211_CHAN_WIDTH_80P80] = 3, 1000 [NL80211_CHAN_WIDTH_5] = 4, 1001 [NL80211_CHAN_WIDTH_10] = 5, 1002 [NL80211_CHAN_WIDTH_320] = 6, 1003 }; 1004 struct { 1005 struct { 1006 u8 band_idx; 1007 u8 pad[3]; 1008 } __packed hdr; 1009 struct config_tlv { 1010 __le16 tag; 1011 __le16 len; 1012 u16 aid; 1013 u8 ch_band; 1014 u8 bw; 1015 u8 control_ch; 1016 u8 sco; 1017 u8 center_ch; 1018 u8 center_ch2; 1019 u8 drop_err; 1020 u8 pad[3]; 1021 } __packed tlv; 1022 } __packed req = { 1023 .hdr = { 1024 .band_idx = vif->mt76.band_idx, 1025 }, 1026 .tlv = { 1027 .tag = cpu_to_le16(1), 1028 .len = cpu_to_le16(sizeof(req.tlv)), 1029 .control_ch = chandef->chan->hw_value, 1030 .center_ch = ieee80211_frequency_to_channel(freq1), 1031 .drop_err = 1, 1032 }, 1033 }; 1034 if (chandef->chan->band < ARRAY_SIZE(ch_band)) 1035 req.tlv.ch_band = ch_band[chandef->chan->band]; 1036 if (chandef->width < ARRAY_SIZE(ch_width)) 1037 req.tlv.bw = ch_width[chandef->width]; 1038 1039 if (freq2) 1040 req.tlv.center_ch2 = ieee80211_frequency_to_channel(freq2); 1041 1042 if (req.tlv.control_ch < req.tlv.center_ch) 1043 req.tlv.sco = 1; /* SCA */ 1044 else if (req.tlv.control_ch > req.tlv.center_ch) 1045 req.tlv.sco = 3; /* SCB */ 1046 1047 return mt76_mcu_send_msg(vif->phy->mt76->dev, MCU_UNI_CMD(SNIFFER), 1048 &req, sizeof(req), true); 1049 } 1050 1051 int 1052 mt7921_mcu_uni_add_beacon_offload(struct mt792x_dev *dev, 1053 struct ieee80211_hw *hw, 1054 struct ieee80211_vif *vif, 1055 bool enable) 1056 { 1057 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv; 1058 struct mt76_wcid *wcid = &dev->mt76.global_wcid; 1059 struct ieee80211_mutable_offsets offs; 1060 struct { 1061 struct req_hdr { 1062 u8 bss_idx; 1063 u8 pad[3]; 1064 } __packed hdr; 1065 struct bcn_content_tlv { 1066 __le16 tag; 1067 __le16 len; 1068 __le16 tim_ie_pos; 1069 __le16 csa_ie_pos; 1070 __le16 bcc_ie_pos; 1071 /* 0: disable beacon offload 1072 * 1: enable beacon offload 1073 * 2: update probe respond offload 1074 */ 1075 u8 enable; 1076 /* 0: legacy format (TXD + payload) 1077 * 1: only cap field IE 1078 */ 1079 u8 type; 1080 __le16 pkt_len; 1081 u8 pkt[512]; 1082 } __packed beacon_tlv; 1083 } req = { 1084 .hdr = { 1085 .bss_idx = mvif->mt76.idx, 1086 }, 1087 .beacon_tlv = { 1088 .tag = cpu_to_le16(UNI_BSS_INFO_BCN_CONTENT), 1089 .len = cpu_to_le16(sizeof(struct bcn_content_tlv)), 1090 .enable = enable, 1091 }, 1092 }; 1093 struct sk_buff *skb; 1094 1095 /* support enable/update process only 1096 * disable flow would be handled in bss stop handler automatically 1097 */ 1098 if (!enable) 1099 return -EOPNOTSUPP; 1100 1101 skb = ieee80211_beacon_get_template(mt76_hw(dev), vif, &offs, 0); 1102 if (!skb) 1103 return -EINVAL; 1104 1105 if (skb->len > 512 - MT_TXD_SIZE) { 1106 dev_err(dev->mt76.dev, "beacon size limit exceed\n"); 1107 dev_kfree_skb(skb); 1108 return -EINVAL; 1109 } 1110 1111 mt76_connac2_mac_write_txwi(&dev->mt76, (__le32 *)(req.beacon_tlv.pkt), 1112 skb, wcid, NULL, 0, 0, BSS_CHANGED_BEACON); 1113 memcpy(req.beacon_tlv.pkt + MT_TXD_SIZE, skb->data, skb->len); 1114 req.beacon_tlv.pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len); 1115 req.beacon_tlv.tim_ie_pos = cpu_to_le16(MT_TXD_SIZE + offs.tim_offset); 1116 1117 if (offs.cntdwn_counter_offs[0]) { 1118 u16 csa_offs; 1119 1120 csa_offs = MT_TXD_SIZE + offs.cntdwn_counter_offs[0] - 4; 1121 req.beacon_tlv.csa_ie_pos = cpu_to_le16(csa_offs); 1122 } 1123 dev_kfree_skb(skb); 1124 1125 return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD(BSS_INFO_UPDATE), 1126 &req, sizeof(req), true); 1127 } 1128 1129 static 1130 int __mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2, 1131 enum environment_cap env_cap, 1132 struct mt7921_clc *clc, 1133 u8 idx) 1134 { 1135 struct sk_buff *skb; 1136 struct { 1137 u8 ver; 1138 u8 pad0; 1139 __le16 len; 1140 u8 idx; 1141 u8 env; 1142 u8 acpi_conf; 1143 u8 pad1; 1144 u8 alpha2[2]; 1145 u8 type[2]; 1146 u8 rsvd[64]; 1147 } __packed req = { 1148 .idx = idx, 1149 .env = env_cap, 1150 .acpi_conf = mt792x_acpi_get_flags(&dev->phy), 1151 }; 1152 int ret, valid_cnt = 0; 1153 u8 i, *pos; 1154 1155 if (!clc) 1156 return 0; 1157 1158 pos = clc->data; 1159 for (i = 0; i < clc->nr_country; i++) { 1160 struct mt7921_clc_rule *rule = (struct mt7921_clc_rule *)pos; 1161 u16 len = le16_to_cpu(rule->len); 1162 1163 pos += len + sizeof(*rule); 1164 if (rule->alpha2[0] != alpha2[0] || 1165 rule->alpha2[1] != alpha2[1]) 1166 continue; 1167 1168 memcpy(req.alpha2, rule->alpha2, 2); 1169 memcpy(req.type, rule->type, 2); 1170 1171 req.len = cpu_to_le16(sizeof(req) + len); 1172 skb = __mt76_mcu_msg_alloc(&dev->mt76, &req, 1173 le16_to_cpu(req.len), 1174 sizeof(req), GFP_KERNEL); 1175 if (!skb) 1176 return -ENOMEM; 1177 skb_put_data(skb, rule->data, len); 1178 1179 ret = mt76_mcu_skb_send_msg(&dev->mt76, skb, 1180 MCU_CE_CMD(SET_CLC), false); 1181 if (ret < 0) 1182 return ret; 1183 valid_cnt++; 1184 } 1185 1186 if (!valid_cnt) 1187 return -ENOENT; 1188 1189 return 0; 1190 } 1191 1192 int mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2, 1193 enum environment_cap env_cap) 1194 { 1195 struct mt792x_phy *phy = (struct mt792x_phy *)&dev->phy; 1196 int i, ret; 1197 1198 /* submit all clc config */ 1199 for (i = 0; i < ARRAY_SIZE(phy->clc); i++) { 1200 ret = __mt7921_mcu_set_clc(dev, alpha2, env_cap, 1201 phy->clc[i], i); 1202 1203 /* If no country found, set "00" as default */ 1204 if (ret == -ENOENT) 1205 ret = __mt7921_mcu_set_clc(dev, "00", 1206 ENVIRON_INDOOR, 1207 phy->clc[i], i); 1208 if (ret < 0) 1209 return ret; 1210 } 1211 return 0; 1212 } 1213 1214 int mt7921_mcu_get_temperature(struct mt792x_phy *phy) 1215 { 1216 struct mt792x_dev *dev = phy->dev; 1217 struct { 1218 u8 ctrl_id; 1219 u8 action; 1220 u8 band_idx; 1221 u8 rsv[5]; 1222 } req = { 1223 .ctrl_id = THERMAL_SENSOR_TEMP_QUERY, 1224 .band_idx = phy->mt76->band_idx, 1225 }; 1226 1227 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(THERMAL_CTRL), &req, 1228 sizeof(req), true); 1229 } 1230 1231 int mt7921_mcu_set_rxfilter(struct mt792x_dev *dev, u32 fif, 1232 u8 bit_op, u32 bit_map) 1233 { 1234 struct { 1235 u8 rsv[4]; 1236 u8 mode; 1237 u8 rsv2[3]; 1238 __le32 fif; 1239 __le32 bit_map; /* bit_* for bitmap update */ 1240 u8 bit_op; 1241 u8 pad[51]; 1242 } __packed data = { 1243 .mode = fif ? 1 : 2, 1244 .fif = cpu_to_le32(fif), 1245 .bit_map = cpu_to_le32(bit_map), 1246 .bit_op = bit_op, 1247 }; 1248 1249 return mt76_mcu_send_msg(&dev->mt76, MCU_CE_CMD(SET_RX_FILTER), 1250 &data, sizeof(data), false); 1251 } 1252