1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* Copyright(c) 2018-2019 Realtek Corporation 3 */ 4 5 #include <linux/devcoredump.h> 6 7 #include "main.h" 8 #include "regd.h" 9 #include "fw.h" 10 #include "ps.h" 11 #include "sec.h" 12 #include "mac.h" 13 #include "coex.h" 14 #include "phy.h" 15 #include "reg.h" 16 #include "efuse.h" 17 #include "tx.h" 18 #include "debug.h" 19 #include "bf.h" 20 #include "sar.h" 21 #include "sdio.h" 22 23 bool rtw_disable_lps_deep_mode; 24 EXPORT_SYMBOL(rtw_disable_lps_deep_mode); 25 bool rtw_bf_support = true; 26 unsigned int rtw_debug_mask; 27 EXPORT_SYMBOL(rtw_debug_mask); 28 /* EDCCA is enabled during normal behavior. For debugging purpose in 29 * a noisy environment, it can be disabled via edcca debugfs. Because 30 * all rtw88 devices will probably be affected if environment is noisy, 31 * rtw_edcca_enabled is just declared by driver instead of by device. 32 * So, turning it off will take effect for all rtw88 devices before 33 * there is a tough reason to maintain rtw_edcca_enabled by device. 34 */ 35 bool rtw_edcca_enabled = true; 36 37 module_param_named(disable_lps_deep, rtw_disable_lps_deep_mode, bool, 0644); 38 module_param_named(support_bf, rtw_bf_support, bool, 0644); 39 module_param_named(debug_mask, rtw_debug_mask, uint, 0644); 40 41 MODULE_PARM_DESC(disable_lps_deep, "Set Y to disable Deep PS"); 42 MODULE_PARM_DESC(support_bf, "Set Y to enable beamformee support"); 43 MODULE_PARM_DESC(debug_mask, "Debugging mask"); 44 45 static struct ieee80211_channel rtw_channeltable_2g[] = { 46 {.center_freq = 2412, .hw_value = 1,}, 47 {.center_freq = 2417, .hw_value = 2,}, 48 {.center_freq = 2422, .hw_value = 3,}, 49 {.center_freq = 2427, .hw_value = 4,}, 50 {.center_freq = 2432, .hw_value = 5,}, 51 {.center_freq = 2437, .hw_value = 6,}, 52 {.center_freq = 2442, .hw_value = 7,}, 53 {.center_freq = 2447, .hw_value = 8,}, 54 {.center_freq = 2452, .hw_value = 9,}, 55 {.center_freq = 2457, .hw_value = 10,}, 56 {.center_freq = 2462, .hw_value = 11,}, 57 {.center_freq = 2467, .hw_value = 12,}, 58 {.center_freq = 2472, .hw_value = 13,}, 59 {.center_freq = 2484, .hw_value = 14,}, 60 }; 61 62 static struct ieee80211_channel rtw_channeltable_5g[] = { 63 {.center_freq = 5180, .hw_value = 36,}, 64 {.center_freq = 5200, .hw_value = 40,}, 65 {.center_freq = 5220, .hw_value = 44,}, 66 {.center_freq = 5240, .hw_value = 48,}, 67 {.center_freq = 5260, .hw_value = 52,}, 68 {.center_freq = 5280, .hw_value = 56,}, 69 {.center_freq = 5300, .hw_value = 60,}, 70 {.center_freq = 5320, .hw_value = 64,}, 71 {.center_freq = 5500, .hw_value = 100,}, 72 {.center_freq = 5520, .hw_value = 104,}, 73 {.center_freq = 5540, .hw_value = 108,}, 74 {.center_freq = 5560, .hw_value = 112,}, 75 {.center_freq = 5580, .hw_value = 116,}, 76 {.center_freq = 5600, .hw_value = 120,}, 77 {.center_freq = 5620, .hw_value = 124,}, 78 {.center_freq = 5640, .hw_value = 128,}, 79 {.center_freq = 5660, .hw_value = 132,}, 80 {.center_freq = 5680, .hw_value = 136,}, 81 {.center_freq = 5700, .hw_value = 140,}, 82 {.center_freq = 5720, .hw_value = 144,}, 83 {.center_freq = 5745, .hw_value = 149,}, 84 {.center_freq = 5765, .hw_value = 153,}, 85 {.center_freq = 5785, .hw_value = 157,}, 86 {.center_freq = 5805, .hw_value = 161,}, 87 {.center_freq = 5825, .hw_value = 165, 88 .flags = IEEE80211_CHAN_NO_HT40MINUS}, 89 }; 90 91 static struct ieee80211_rate rtw_ratetable[] = { 92 {.bitrate = 10, .hw_value = 0x00,}, 93 {.bitrate = 20, .hw_value = 0x01,}, 94 {.bitrate = 55, .hw_value = 0x02,}, 95 {.bitrate = 110, .hw_value = 0x03,}, 96 {.bitrate = 60, .hw_value = 0x04,}, 97 {.bitrate = 90, .hw_value = 0x05,}, 98 {.bitrate = 120, .hw_value = 0x06,}, 99 {.bitrate = 180, .hw_value = 0x07,}, 100 {.bitrate = 240, .hw_value = 0x08,}, 101 {.bitrate = 360, .hw_value = 0x09,}, 102 {.bitrate = 480, .hw_value = 0x0a,}, 103 {.bitrate = 540, .hw_value = 0x0b,}, 104 }; 105 106 static const struct ieee80211_iface_limit rtw_iface_limits[] = { 107 { 108 .max = 1, 109 .types = BIT(NL80211_IFTYPE_STATION), 110 }, 111 { 112 .max = 1, 113 .types = BIT(NL80211_IFTYPE_AP), 114 } 115 }; 116 117 static const struct ieee80211_iface_combination rtw_iface_combs[] = { 118 { 119 .limits = rtw_iface_limits, 120 .n_limits = ARRAY_SIZE(rtw_iface_limits), 121 .max_interfaces = 2, 122 .num_different_channels = 1, 123 } 124 }; 125 126 u16 rtw_desc_to_bitrate(u8 desc_rate) 127 { 128 struct ieee80211_rate rate; 129 130 if (WARN(desc_rate >= ARRAY_SIZE(rtw_ratetable), "invalid desc rate\n")) 131 return 0; 132 133 rate = rtw_ratetable[desc_rate]; 134 135 return rate.bitrate; 136 } 137 138 static struct ieee80211_supported_band rtw_band_2ghz = { 139 .band = NL80211_BAND_2GHZ, 140 141 .channels = rtw_channeltable_2g, 142 .n_channels = ARRAY_SIZE(rtw_channeltable_2g), 143 144 .bitrates = rtw_ratetable, 145 .n_bitrates = ARRAY_SIZE(rtw_ratetable), 146 147 .ht_cap = {0}, 148 .vht_cap = {0}, 149 }; 150 151 static struct ieee80211_supported_band rtw_band_5ghz = { 152 .band = NL80211_BAND_5GHZ, 153 154 .channels = rtw_channeltable_5g, 155 .n_channels = ARRAY_SIZE(rtw_channeltable_5g), 156 157 /* 5G has no CCK rates */ 158 .bitrates = rtw_ratetable + 4, 159 .n_bitrates = ARRAY_SIZE(rtw_ratetable) - 4, 160 161 .ht_cap = {0}, 162 .vht_cap = {0}, 163 }; 164 165 struct rtw_watch_dog_iter_data { 166 struct rtw_dev *rtwdev; 167 struct rtw_vif *rtwvif; 168 }; 169 170 static void rtw_dynamic_csi_rate(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif) 171 { 172 struct rtw_bf_info *bf_info = &rtwdev->bf_info; 173 u8 fix_rate_enable = 0; 174 u8 new_csi_rate_idx; 175 176 if (rtwvif->bfee.role != RTW_BFEE_SU && 177 rtwvif->bfee.role != RTW_BFEE_MU) 178 return; 179 180 rtw_chip_cfg_csi_rate(rtwdev, rtwdev->dm_info.min_rssi, 181 bf_info->cur_csi_rpt_rate, 182 fix_rate_enable, &new_csi_rate_idx); 183 184 if (new_csi_rate_idx != bf_info->cur_csi_rpt_rate) 185 bf_info->cur_csi_rpt_rate = new_csi_rate_idx; 186 } 187 188 static void rtw_vif_watch_dog_iter(void *data, u8 *mac, 189 struct ieee80211_vif *vif) 190 { 191 struct rtw_watch_dog_iter_data *iter_data = data; 192 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 193 194 if (vif->type == NL80211_IFTYPE_STATION) 195 if (vif->cfg.assoc) 196 iter_data->rtwvif = rtwvif; 197 198 rtw_dynamic_csi_rate(iter_data->rtwdev, rtwvif); 199 200 rtwvif->stats.tx_unicast = 0; 201 rtwvif->stats.rx_unicast = 0; 202 rtwvif->stats.tx_cnt = 0; 203 rtwvif->stats.rx_cnt = 0; 204 } 205 206 /* process TX/RX statistics periodically for hardware, 207 * the information helps hardware to enhance performance 208 */ 209 static void rtw_watch_dog_work(struct work_struct *work) 210 { 211 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, 212 watch_dog_work.work); 213 struct rtw_traffic_stats *stats = &rtwdev->stats; 214 struct rtw_watch_dog_iter_data data = {}; 215 bool busy_traffic = test_bit(RTW_FLAG_BUSY_TRAFFIC, rtwdev->flags); 216 bool ps_active; 217 218 mutex_lock(&rtwdev->mutex); 219 220 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 221 goto unlock; 222 223 ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->watch_dog_work, 224 RTW_WATCH_DOG_DELAY_TIME); 225 226 if (rtwdev->stats.tx_cnt > 100 || rtwdev->stats.rx_cnt > 100) 227 set_bit(RTW_FLAG_BUSY_TRAFFIC, rtwdev->flags); 228 else 229 clear_bit(RTW_FLAG_BUSY_TRAFFIC, rtwdev->flags); 230 231 rtw_coex_wl_status_check(rtwdev); 232 rtw_coex_query_bt_hid_list(rtwdev); 233 234 if (busy_traffic != test_bit(RTW_FLAG_BUSY_TRAFFIC, rtwdev->flags)) 235 rtw_coex_wl_status_change_notify(rtwdev, 0); 236 237 if (stats->tx_cnt > RTW_LPS_THRESHOLD || 238 stats->rx_cnt > RTW_LPS_THRESHOLD) 239 ps_active = true; 240 else 241 ps_active = false; 242 243 ewma_tp_add(&stats->tx_ewma_tp, 244 (u32)(stats->tx_unicast >> RTW_TP_SHIFT)); 245 ewma_tp_add(&stats->rx_ewma_tp, 246 (u32)(stats->rx_unicast >> RTW_TP_SHIFT)); 247 stats->tx_throughput = ewma_tp_read(&stats->tx_ewma_tp); 248 stats->rx_throughput = ewma_tp_read(&stats->rx_ewma_tp); 249 250 /* reset tx/rx statictics */ 251 stats->tx_unicast = 0; 252 stats->rx_unicast = 0; 253 stats->tx_cnt = 0; 254 stats->rx_cnt = 0; 255 256 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 257 goto unlock; 258 259 /* make sure BB/RF is working for dynamic mech */ 260 rtw_leave_lps(rtwdev); 261 262 rtw_phy_dynamic_mechanism(rtwdev); 263 264 data.rtwdev = rtwdev; 265 /* rtw_iterate_vifs internally uses an atomic iterator which is needed 266 * to avoid taking local->iflist_mtx mutex 267 */ 268 rtw_iterate_vifs(rtwdev, rtw_vif_watch_dog_iter, &data); 269 270 /* fw supports only one station associated to enter lps, if there are 271 * more than two stations associated to the AP, then we can not enter 272 * lps, because fw does not handle the overlapped beacon interval 273 * 274 * rtw_recalc_lps() iterate vifs and determine if driver can enter 275 * ps by vif->type and vif->cfg.ps, all we need to do here is to 276 * get that vif and check if device is having traffic more than the 277 * threshold. 278 */ 279 if (rtwdev->ps_enabled && data.rtwvif && !ps_active && 280 !rtwdev->beacon_loss && !rtwdev->ap_active) 281 rtw_enter_lps(rtwdev, data.rtwvif->port); 282 283 rtwdev->watch_dog_cnt++; 284 285 unlock: 286 mutex_unlock(&rtwdev->mutex); 287 } 288 289 static void rtw_c2h_work(struct work_struct *work) 290 { 291 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, c2h_work); 292 struct sk_buff *skb, *tmp; 293 294 skb_queue_walk_safe(&rtwdev->c2h_queue, skb, tmp) { 295 skb_unlink(skb, &rtwdev->c2h_queue); 296 rtw_fw_c2h_cmd_handle(rtwdev, skb); 297 dev_kfree_skb_any(skb); 298 } 299 } 300 301 static void rtw_ips_work(struct work_struct *work) 302 { 303 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, ips_work); 304 305 mutex_lock(&rtwdev->mutex); 306 if (rtwdev->hw->conf.flags & IEEE80211_CONF_IDLE) 307 rtw_enter_ips(rtwdev); 308 mutex_unlock(&rtwdev->mutex); 309 } 310 311 static u8 rtw_acquire_macid(struct rtw_dev *rtwdev) 312 { 313 unsigned long mac_id; 314 315 mac_id = find_first_zero_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 316 if (mac_id < RTW_MAX_MAC_ID_NUM) 317 set_bit(mac_id, rtwdev->mac_id_map); 318 319 return mac_id; 320 } 321 322 static void rtw_sta_rc_work(struct work_struct *work) 323 { 324 struct rtw_sta_info *si = container_of(work, struct rtw_sta_info, 325 rc_work); 326 struct rtw_dev *rtwdev = si->rtwdev; 327 328 mutex_lock(&rtwdev->mutex); 329 rtw_update_sta_info(rtwdev, si, true); 330 mutex_unlock(&rtwdev->mutex); 331 } 332 333 int rtw_sta_add(struct rtw_dev *rtwdev, struct ieee80211_sta *sta, 334 struct ieee80211_vif *vif) 335 { 336 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 337 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 338 int i; 339 340 si->mac_id = rtw_acquire_macid(rtwdev); 341 if (si->mac_id >= RTW_MAX_MAC_ID_NUM) 342 return -ENOSPC; 343 344 if (vif->type == NL80211_IFTYPE_STATION && vif->cfg.assoc == 0) 345 rtwvif->mac_id = si->mac_id; 346 si->rtwdev = rtwdev; 347 si->sta = sta; 348 si->vif = vif; 349 si->init_ra_lv = 1; 350 ewma_rssi_init(&si->avg_rssi); 351 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 352 rtw_txq_init(rtwdev, sta->txq[i]); 353 INIT_WORK(&si->rc_work, rtw_sta_rc_work); 354 355 rtw_update_sta_info(rtwdev, si, true); 356 rtw_fw_media_status_report(rtwdev, si->mac_id, true); 357 358 rtwdev->sta_cnt++; 359 rtwdev->beacon_loss = false; 360 rtw_dbg(rtwdev, RTW_DBG_STATE, "sta %pM joined with macid %d\n", 361 sta->addr, si->mac_id); 362 363 return 0; 364 } 365 366 void rtw_sta_remove(struct rtw_dev *rtwdev, struct ieee80211_sta *sta, 367 bool fw_exist) 368 { 369 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 370 int i; 371 372 cancel_work_sync(&si->rc_work); 373 374 rtw_release_macid(rtwdev, si->mac_id); 375 if (fw_exist) 376 rtw_fw_media_status_report(rtwdev, si->mac_id, false); 377 378 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 379 rtw_txq_cleanup(rtwdev, sta->txq[i]); 380 381 kfree(si->mask); 382 383 rtwdev->sta_cnt--; 384 rtw_dbg(rtwdev, RTW_DBG_STATE, "sta %pM with macid %d left\n", 385 sta->addr, si->mac_id); 386 } 387 388 struct rtw_fwcd_hdr { 389 u32 item; 390 u32 size; 391 u32 padding1; 392 u32 padding2; 393 } __packed; 394 395 static int rtw_fwcd_prep(struct rtw_dev *rtwdev) 396 { 397 const struct rtw_chip_info *chip = rtwdev->chip; 398 struct rtw_fwcd_desc *desc = &rtwdev->fw.fwcd_desc; 399 const struct rtw_fwcd_segs *segs = chip->fwcd_segs; 400 u32 prep_size = chip->fw_rxff_size + sizeof(struct rtw_fwcd_hdr); 401 u8 i; 402 403 if (segs) { 404 prep_size += segs->num * sizeof(struct rtw_fwcd_hdr); 405 406 for (i = 0; i < segs->num; i++) 407 prep_size += segs->segs[i]; 408 } 409 410 desc->data = vmalloc(prep_size); 411 if (!desc->data) 412 return -ENOMEM; 413 414 desc->size = prep_size; 415 desc->next = desc->data; 416 417 return 0; 418 } 419 420 static u8 *rtw_fwcd_next(struct rtw_dev *rtwdev, u32 item, u32 size) 421 { 422 struct rtw_fwcd_desc *desc = &rtwdev->fw.fwcd_desc; 423 struct rtw_fwcd_hdr *hdr; 424 u8 *next; 425 426 if (!desc->data) { 427 rtw_dbg(rtwdev, RTW_DBG_FW, "fwcd isn't prepared successfully\n"); 428 return NULL; 429 } 430 431 next = desc->next + sizeof(struct rtw_fwcd_hdr); 432 if (next - desc->data + size > desc->size) { 433 rtw_dbg(rtwdev, RTW_DBG_FW, "fwcd isn't prepared enough\n"); 434 return NULL; 435 } 436 437 hdr = (struct rtw_fwcd_hdr *)(desc->next); 438 hdr->item = item; 439 hdr->size = size; 440 hdr->padding1 = 0x01234567; 441 hdr->padding2 = 0x89abcdef; 442 desc->next = next + size; 443 444 return next; 445 } 446 447 static void rtw_fwcd_dump(struct rtw_dev *rtwdev) 448 { 449 struct rtw_fwcd_desc *desc = &rtwdev->fw.fwcd_desc; 450 451 rtw_dbg(rtwdev, RTW_DBG_FW, "dump fwcd\n"); 452 453 /* Data will be freed after lifetime of device coredump. After calling 454 * dev_coredump, data is supposed to be handled by the device coredump 455 * framework. Note that a new dump will be discarded if a previous one 456 * hasn't been released yet. 457 */ 458 dev_coredumpv(rtwdev->dev, desc->data, desc->size, GFP_KERNEL); 459 } 460 461 static void rtw_fwcd_free(struct rtw_dev *rtwdev, bool free_self) 462 { 463 struct rtw_fwcd_desc *desc = &rtwdev->fw.fwcd_desc; 464 465 if (free_self) { 466 rtw_dbg(rtwdev, RTW_DBG_FW, "free fwcd by self\n"); 467 vfree(desc->data); 468 } 469 470 desc->data = NULL; 471 desc->next = NULL; 472 } 473 474 static int rtw_fw_dump_crash_log(struct rtw_dev *rtwdev) 475 { 476 u32 size = rtwdev->chip->fw_rxff_size; 477 u32 *buf; 478 u8 seq; 479 480 buf = (u32 *)rtw_fwcd_next(rtwdev, RTW_FWCD_TLV, size); 481 if (!buf) 482 return -ENOMEM; 483 484 if (rtw_fw_dump_fifo(rtwdev, RTW_FW_FIFO_SEL_RXBUF_FW, 0, size, buf)) { 485 rtw_dbg(rtwdev, RTW_DBG_FW, "dump fw fifo fail\n"); 486 return -EINVAL; 487 } 488 489 if (GET_FW_DUMP_LEN(buf) == 0) { 490 rtw_dbg(rtwdev, RTW_DBG_FW, "fw crash dump's length is 0\n"); 491 return -EINVAL; 492 } 493 494 seq = GET_FW_DUMP_SEQ(buf); 495 if (seq > 0) { 496 rtw_dbg(rtwdev, RTW_DBG_FW, 497 "fw crash dump's seq is wrong: %d\n", seq); 498 return -EINVAL; 499 } 500 501 return 0; 502 } 503 504 int rtw_dump_fw(struct rtw_dev *rtwdev, const u32 ocp_src, u32 size, 505 u32 fwcd_item) 506 { 507 u32 rxff = rtwdev->chip->fw_rxff_size; 508 u32 dump_size, done_size = 0; 509 u8 *buf; 510 int ret; 511 512 buf = rtw_fwcd_next(rtwdev, fwcd_item, size); 513 if (!buf) 514 return -ENOMEM; 515 516 while (size) { 517 dump_size = size > rxff ? rxff : size; 518 519 ret = rtw_ddma_to_fw_fifo(rtwdev, ocp_src + done_size, 520 dump_size); 521 if (ret) { 522 rtw_err(rtwdev, 523 "ddma fw 0x%x [+0x%x] to fw fifo fail\n", 524 ocp_src, done_size); 525 return ret; 526 } 527 528 ret = rtw_fw_dump_fifo(rtwdev, RTW_FW_FIFO_SEL_RXBUF_FW, 0, 529 dump_size, (u32 *)(buf + done_size)); 530 if (ret) { 531 rtw_err(rtwdev, 532 "dump fw 0x%x [+0x%x] from fw fifo fail\n", 533 ocp_src, done_size); 534 return ret; 535 } 536 537 size -= dump_size; 538 done_size += dump_size; 539 } 540 541 return 0; 542 } 543 EXPORT_SYMBOL(rtw_dump_fw); 544 545 int rtw_dump_reg(struct rtw_dev *rtwdev, const u32 addr, const u32 size) 546 { 547 u8 *buf; 548 u32 i; 549 550 if (addr & 0x3) { 551 WARN(1, "should be 4-byte aligned, addr = 0x%08x\n", addr); 552 return -EINVAL; 553 } 554 555 buf = rtw_fwcd_next(rtwdev, RTW_FWCD_REG, size); 556 if (!buf) 557 return -ENOMEM; 558 559 for (i = 0; i < size; i += 4) 560 *(u32 *)(buf + i) = rtw_read32(rtwdev, addr + i); 561 562 return 0; 563 } 564 EXPORT_SYMBOL(rtw_dump_reg); 565 566 void rtw_vif_assoc_changed(struct rtw_vif *rtwvif, 567 struct ieee80211_bss_conf *conf) 568 { 569 struct ieee80211_vif *vif = NULL; 570 571 if (conf) 572 vif = container_of(conf, struct ieee80211_vif, bss_conf); 573 574 if (conf && vif->cfg.assoc) { 575 rtwvif->aid = vif->cfg.aid; 576 rtwvif->net_type = RTW_NET_MGD_LINKED; 577 } else { 578 rtwvif->aid = 0; 579 rtwvif->net_type = RTW_NET_NO_LINK; 580 } 581 } 582 583 static void rtw_reset_key_iter(struct ieee80211_hw *hw, 584 struct ieee80211_vif *vif, 585 struct ieee80211_sta *sta, 586 struct ieee80211_key_conf *key, 587 void *data) 588 { 589 struct rtw_dev *rtwdev = (struct rtw_dev *)data; 590 struct rtw_sec_desc *sec = &rtwdev->sec; 591 592 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 593 } 594 595 static void rtw_reset_sta_iter(void *data, struct ieee80211_sta *sta) 596 { 597 struct rtw_dev *rtwdev = (struct rtw_dev *)data; 598 599 if (rtwdev->sta_cnt == 0) { 600 rtw_warn(rtwdev, "sta count before reset should not be 0\n"); 601 return; 602 } 603 rtw_sta_remove(rtwdev, sta, false); 604 } 605 606 static void rtw_reset_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif) 607 { 608 struct rtw_dev *rtwdev = (struct rtw_dev *)data; 609 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 610 611 rtw_bf_disassoc(rtwdev, vif, NULL); 612 rtw_vif_assoc_changed(rtwvif, NULL); 613 rtw_txq_cleanup(rtwdev, vif->txq); 614 } 615 616 void rtw_fw_recovery(struct rtw_dev *rtwdev) 617 { 618 if (!test_bit(RTW_FLAG_RESTARTING, rtwdev->flags)) 619 ieee80211_queue_work(rtwdev->hw, &rtwdev->fw_recovery_work); 620 } 621 622 static void __fw_recovery_work(struct rtw_dev *rtwdev) 623 { 624 int ret = 0; 625 626 set_bit(RTW_FLAG_RESTARTING, rtwdev->flags); 627 clear_bit(RTW_FLAG_RESTART_TRIGGERING, rtwdev->flags); 628 629 ret = rtw_fwcd_prep(rtwdev); 630 if (ret) 631 goto free; 632 ret = rtw_fw_dump_crash_log(rtwdev); 633 if (ret) 634 goto free; 635 ret = rtw_chip_dump_fw_crash(rtwdev); 636 if (ret) 637 goto free; 638 639 rtw_fwcd_dump(rtwdev); 640 free: 641 rtw_fwcd_free(rtwdev, !!ret); 642 rtw_write8(rtwdev, REG_MCU_TST_CFG, 0); 643 644 WARN(1, "firmware crash, start reset and recover\n"); 645 646 rcu_read_lock(); 647 rtw_iterate_keys_rcu(rtwdev, NULL, rtw_reset_key_iter, rtwdev); 648 rcu_read_unlock(); 649 rtw_iterate_stas_atomic(rtwdev, rtw_reset_sta_iter, rtwdev); 650 rtw_iterate_vifs_atomic(rtwdev, rtw_reset_vif_iter, rtwdev); 651 bitmap_zero(rtwdev->hw_port, RTW_PORT_NUM); 652 rtw_enter_ips(rtwdev); 653 } 654 655 static void rtw_fw_recovery_work(struct work_struct *work) 656 { 657 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, 658 fw_recovery_work); 659 660 mutex_lock(&rtwdev->mutex); 661 __fw_recovery_work(rtwdev); 662 mutex_unlock(&rtwdev->mutex); 663 664 ieee80211_restart_hw(rtwdev->hw); 665 } 666 667 struct rtw_txq_ba_iter_data { 668 }; 669 670 static void rtw_txq_ba_iter(void *data, struct ieee80211_sta *sta) 671 { 672 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 673 int ret; 674 u8 tid; 675 676 tid = find_first_bit(si->tid_ba, IEEE80211_NUM_TIDS); 677 while (tid != IEEE80211_NUM_TIDS) { 678 clear_bit(tid, si->tid_ba); 679 ret = ieee80211_start_tx_ba_session(sta, tid, 0); 680 if (ret == -EINVAL) { 681 struct ieee80211_txq *txq; 682 struct rtw_txq *rtwtxq; 683 684 txq = sta->txq[tid]; 685 rtwtxq = (struct rtw_txq *)txq->drv_priv; 686 set_bit(RTW_TXQ_BLOCK_BA, &rtwtxq->flags); 687 } 688 689 tid = find_first_bit(si->tid_ba, IEEE80211_NUM_TIDS); 690 } 691 } 692 693 static void rtw_txq_ba_work(struct work_struct *work) 694 { 695 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, ba_work); 696 struct rtw_txq_ba_iter_data data; 697 698 rtw_iterate_stas_atomic(rtwdev, rtw_txq_ba_iter, &data); 699 } 700 701 void rtw_set_rx_freq_band(struct rtw_rx_pkt_stat *pkt_stat, u8 channel) 702 { 703 if (IS_CH_2G_BAND(channel)) 704 pkt_stat->band = NL80211_BAND_2GHZ; 705 else if (IS_CH_5G_BAND(channel)) 706 pkt_stat->band = NL80211_BAND_5GHZ; 707 else 708 return; 709 710 pkt_stat->freq = ieee80211_channel_to_frequency(channel, pkt_stat->band); 711 } 712 EXPORT_SYMBOL(rtw_set_rx_freq_band); 713 714 void rtw_set_dtim_period(struct rtw_dev *rtwdev, int dtim_period) 715 { 716 rtw_write32_set(rtwdev, REG_TCR, BIT_TCR_UPDATE_TIMIE); 717 rtw_write8(rtwdev, REG_DTIM_COUNTER_ROOT, dtim_period - 1); 718 } 719 720 void rtw_update_channel(struct rtw_dev *rtwdev, u8 center_channel, 721 u8 primary_channel, enum rtw_supported_band band, 722 enum rtw_bandwidth bandwidth) 723 { 724 enum nl80211_band nl_band = rtw_hw_to_nl80211_band(band); 725 struct rtw_hal *hal = &rtwdev->hal; 726 u8 *cch_by_bw = hal->cch_by_bw; 727 u32 center_freq, primary_freq; 728 enum rtw_sar_bands sar_band; 729 u8 primary_channel_idx; 730 731 center_freq = ieee80211_channel_to_frequency(center_channel, nl_band); 732 primary_freq = ieee80211_channel_to_frequency(primary_channel, nl_band); 733 734 /* assign the center channel used while 20M bw is selected */ 735 cch_by_bw[RTW_CHANNEL_WIDTH_20] = primary_channel; 736 737 /* assign the center channel used while current bw is selected */ 738 cch_by_bw[bandwidth] = center_channel; 739 740 switch (bandwidth) { 741 case RTW_CHANNEL_WIDTH_20: 742 default: 743 primary_channel_idx = RTW_SC_DONT_CARE; 744 break; 745 case RTW_CHANNEL_WIDTH_40: 746 if (primary_freq > center_freq) 747 primary_channel_idx = RTW_SC_20_UPPER; 748 else 749 primary_channel_idx = RTW_SC_20_LOWER; 750 break; 751 case RTW_CHANNEL_WIDTH_80: 752 if (primary_freq > center_freq) { 753 if (primary_freq - center_freq == 10) 754 primary_channel_idx = RTW_SC_20_UPPER; 755 else 756 primary_channel_idx = RTW_SC_20_UPMOST; 757 758 /* assign the center channel used 759 * while 40M bw is selected 760 */ 761 cch_by_bw[RTW_CHANNEL_WIDTH_40] = center_channel + 4; 762 } else { 763 if (center_freq - primary_freq == 10) 764 primary_channel_idx = RTW_SC_20_LOWER; 765 else 766 primary_channel_idx = RTW_SC_20_LOWEST; 767 768 /* assign the center channel used 769 * while 40M bw is selected 770 */ 771 cch_by_bw[RTW_CHANNEL_WIDTH_40] = center_channel - 4; 772 } 773 break; 774 } 775 776 switch (center_channel) { 777 case 1 ... 14: 778 sar_band = RTW_SAR_BAND_0; 779 break; 780 case 36 ... 64: 781 sar_band = RTW_SAR_BAND_1; 782 break; 783 case 100 ... 144: 784 sar_band = RTW_SAR_BAND_3; 785 break; 786 case 149 ... 177: 787 sar_band = RTW_SAR_BAND_4; 788 break; 789 default: 790 WARN(1, "unknown ch(%u) to SAR band\n", center_channel); 791 sar_band = RTW_SAR_BAND_0; 792 break; 793 } 794 795 hal->current_primary_channel_index = primary_channel_idx; 796 hal->current_band_width = bandwidth; 797 hal->primary_channel = primary_channel; 798 hal->current_channel = center_channel; 799 hal->current_band_type = band; 800 hal->sar_band = sar_band; 801 } 802 803 void rtw_get_channel_params(struct cfg80211_chan_def *chandef, 804 struct rtw_channel_params *chan_params) 805 { 806 struct ieee80211_channel *channel = chandef->chan; 807 enum nl80211_chan_width width = chandef->width; 808 u32 primary_freq, center_freq; 809 u8 center_chan; 810 u8 bandwidth = RTW_CHANNEL_WIDTH_20; 811 812 center_chan = channel->hw_value; 813 primary_freq = channel->center_freq; 814 center_freq = chandef->center_freq1; 815 816 switch (width) { 817 case NL80211_CHAN_WIDTH_20_NOHT: 818 case NL80211_CHAN_WIDTH_20: 819 bandwidth = RTW_CHANNEL_WIDTH_20; 820 break; 821 case NL80211_CHAN_WIDTH_40: 822 bandwidth = RTW_CHANNEL_WIDTH_40; 823 if (primary_freq > center_freq) 824 center_chan -= 2; 825 else 826 center_chan += 2; 827 break; 828 case NL80211_CHAN_WIDTH_80: 829 bandwidth = RTW_CHANNEL_WIDTH_80; 830 if (primary_freq > center_freq) { 831 if (primary_freq - center_freq == 10) 832 center_chan -= 2; 833 else 834 center_chan -= 6; 835 } else { 836 if (center_freq - primary_freq == 10) 837 center_chan += 2; 838 else 839 center_chan += 6; 840 } 841 break; 842 default: 843 center_chan = 0; 844 break; 845 } 846 847 chan_params->center_chan = center_chan; 848 chan_params->bandwidth = bandwidth; 849 chan_params->primary_chan = channel->hw_value; 850 } 851 852 void rtw_set_channel(struct rtw_dev *rtwdev) 853 { 854 const struct rtw_chip_info *chip = rtwdev->chip; 855 struct ieee80211_hw *hw = rtwdev->hw; 856 struct rtw_hal *hal = &rtwdev->hal; 857 struct rtw_channel_params ch_param; 858 u8 center_chan, primary_chan, bandwidth, band; 859 860 rtw_get_channel_params(&hw->conf.chandef, &ch_param); 861 if (WARN(ch_param.center_chan == 0, "Invalid channel\n")) 862 return; 863 864 center_chan = ch_param.center_chan; 865 primary_chan = ch_param.primary_chan; 866 bandwidth = ch_param.bandwidth; 867 band = ch_param.center_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 868 869 rtw_update_channel(rtwdev, center_chan, primary_chan, band, bandwidth); 870 871 if (rtwdev->scan_info.op_chan) 872 rtw_store_op_chan(rtwdev, true); 873 874 chip->ops->set_channel(rtwdev, center_chan, bandwidth, 875 hal->current_primary_channel_index); 876 877 if (hal->current_band_type == RTW_BAND_5G) { 878 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); 879 } else { 880 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 881 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_24G); 882 else 883 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_24G_NOFORSCAN); 884 } 885 886 rtw_phy_set_tx_power_level(rtwdev, center_chan); 887 888 /* if the channel isn't set for scanning, we will do RF calibration 889 * in ieee80211_ops::mgd_prepare_tx(). Performing the calibration 890 * during scanning on each channel takes too long. 891 */ 892 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 893 rtwdev->need_rfk = true; 894 } 895 896 void rtw_chip_prepare_tx(struct rtw_dev *rtwdev) 897 { 898 const struct rtw_chip_info *chip = rtwdev->chip; 899 900 if (rtwdev->need_rfk) { 901 rtwdev->need_rfk = false; 902 chip->ops->phy_calibration(rtwdev); 903 } 904 } 905 906 static void rtw_vif_write_addr(struct rtw_dev *rtwdev, u32 start, u8 *addr) 907 { 908 int i; 909 910 for (i = 0; i < ETH_ALEN; i++) 911 rtw_write8(rtwdev, start + i, addr[i]); 912 } 913 914 void rtw_vif_port_config(struct rtw_dev *rtwdev, 915 struct rtw_vif *rtwvif, 916 u32 config) 917 { 918 u32 addr, mask; 919 920 if (config & PORT_SET_MAC_ADDR) { 921 addr = rtwvif->conf->mac_addr.addr; 922 rtw_vif_write_addr(rtwdev, addr, rtwvif->mac_addr); 923 } 924 if (config & PORT_SET_BSSID) { 925 addr = rtwvif->conf->bssid.addr; 926 rtw_vif_write_addr(rtwdev, addr, rtwvif->bssid); 927 } 928 if (config & PORT_SET_NET_TYPE) { 929 addr = rtwvif->conf->net_type.addr; 930 mask = rtwvif->conf->net_type.mask; 931 rtw_write32_mask(rtwdev, addr, mask, rtwvif->net_type); 932 } 933 if (config & PORT_SET_AID) { 934 addr = rtwvif->conf->aid.addr; 935 mask = rtwvif->conf->aid.mask; 936 rtw_write32_mask(rtwdev, addr, mask, rtwvif->aid); 937 } 938 if (config & PORT_SET_BCN_CTRL) { 939 addr = rtwvif->conf->bcn_ctrl.addr; 940 mask = rtwvif->conf->bcn_ctrl.mask; 941 rtw_write8_mask(rtwdev, addr, mask, rtwvif->bcn_ctrl); 942 } 943 } 944 945 static u8 hw_bw_cap_to_bitamp(u8 bw_cap) 946 { 947 u8 bw = 0; 948 949 switch (bw_cap) { 950 case EFUSE_HW_CAP_IGNORE: 951 case EFUSE_HW_CAP_SUPP_BW80: 952 bw |= BIT(RTW_CHANNEL_WIDTH_80); 953 fallthrough; 954 case EFUSE_HW_CAP_SUPP_BW40: 955 bw |= BIT(RTW_CHANNEL_WIDTH_40); 956 fallthrough; 957 default: 958 bw |= BIT(RTW_CHANNEL_WIDTH_20); 959 break; 960 } 961 962 return bw; 963 } 964 965 static void rtw_hw_config_rf_ant_num(struct rtw_dev *rtwdev, u8 hw_ant_num) 966 { 967 const struct rtw_chip_info *chip = rtwdev->chip; 968 struct rtw_hal *hal = &rtwdev->hal; 969 970 if (hw_ant_num == EFUSE_HW_CAP_IGNORE || 971 hw_ant_num >= hal->rf_path_num) 972 return; 973 974 switch (hw_ant_num) { 975 case 1: 976 hal->rf_type = RF_1T1R; 977 hal->rf_path_num = 1; 978 if (!chip->fix_rf_phy_num) 979 hal->rf_phy_num = hal->rf_path_num; 980 hal->antenna_tx = BB_PATH_A; 981 hal->antenna_rx = BB_PATH_A; 982 break; 983 default: 984 WARN(1, "invalid hw configuration from efuse\n"); 985 break; 986 } 987 } 988 989 static u64 get_vht_ra_mask(struct ieee80211_sta *sta) 990 { 991 u64 ra_mask = 0; 992 u16 mcs_map = le16_to_cpu(sta->deflink.vht_cap.vht_mcs.rx_mcs_map); 993 u8 vht_mcs_cap; 994 int i, nss; 995 996 /* 4SS, every two bits for MCS7/8/9 */ 997 for (i = 0, nss = 12; i < 4; i++, mcs_map >>= 2, nss += 10) { 998 vht_mcs_cap = mcs_map & 0x3; 999 switch (vht_mcs_cap) { 1000 case 2: /* MCS9 */ 1001 ra_mask |= 0x3ffULL << nss; 1002 break; 1003 case 1: /* MCS8 */ 1004 ra_mask |= 0x1ffULL << nss; 1005 break; 1006 case 0: /* MCS7 */ 1007 ra_mask |= 0x0ffULL << nss; 1008 break; 1009 default: 1010 break; 1011 } 1012 } 1013 1014 return ra_mask; 1015 } 1016 1017 static u8 get_rate_id(u8 wireless_set, enum rtw_bandwidth bw_mode, u8 tx_num) 1018 { 1019 u8 rate_id = 0; 1020 1021 switch (wireless_set) { 1022 case WIRELESS_CCK: 1023 rate_id = RTW_RATEID_B_20M; 1024 break; 1025 case WIRELESS_OFDM: 1026 rate_id = RTW_RATEID_G; 1027 break; 1028 case WIRELESS_CCK | WIRELESS_OFDM: 1029 rate_id = RTW_RATEID_BG; 1030 break; 1031 case WIRELESS_OFDM | WIRELESS_HT: 1032 if (tx_num == 1) 1033 rate_id = RTW_RATEID_GN_N1SS; 1034 else if (tx_num == 2) 1035 rate_id = RTW_RATEID_GN_N2SS; 1036 else if (tx_num == 3) 1037 rate_id = RTW_RATEID_ARFR5_N_3SS; 1038 break; 1039 case WIRELESS_CCK | WIRELESS_OFDM | WIRELESS_HT: 1040 if (bw_mode == RTW_CHANNEL_WIDTH_40) { 1041 if (tx_num == 1) 1042 rate_id = RTW_RATEID_BGN_40M_1SS; 1043 else if (tx_num == 2) 1044 rate_id = RTW_RATEID_BGN_40M_2SS; 1045 else if (tx_num == 3) 1046 rate_id = RTW_RATEID_ARFR5_N_3SS; 1047 else if (tx_num == 4) 1048 rate_id = RTW_RATEID_ARFR7_N_4SS; 1049 } else { 1050 if (tx_num == 1) 1051 rate_id = RTW_RATEID_BGN_20M_1SS; 1052 else if (tx_num == 2) 1053 rate_id = RTW_RATEID_BGN_20M_2SS; 1054 else if (tx_num == 3) 1055 rate_id = RTW_RATEID_ARFR5_N_3SS; 1056 else if (tx_num == 4) 1057 rate_id = RTW_RATEID_ARFR7_N_4SS; 1058 } 1059 break; 1060 case WIRELESS_OFDM | WIRELESS_VHT: 1061 if (tx_num == 1) 1062 rate_id = RTW_RATEID_ARFR1_AC_1SS; 1063 else if (tx_num == 2) 1064 rate_id = RTW_RATEID_ARFR0_AC_2SS; 1065 else if (tx_num == 3) 1066 rate_id = RTW_RATEID_ARFR4_AC_3SS; 1067 else if (tx_num == 4) 1068 rate_id = RTW_RATEID_ARFR6_AC_4SS; 1069 break; 1070 case WIRELESS_CCK | WIRELESS_OFDM | WIRELESS_VHT: 1071 if (bw_mode >= RTW_CHANNEL_WIDTH_80) { 1072 if (tx_num == 1) 1073 rate_id = RTW_RATEID_ARFR1_AC_1SS; 1074 else if (tx_num == 2) 1075 rate_id = RTW_RATEID_ARFR0_AC_2SS; 1076 else if (tx_num == 3) 1077 rate_id = RTW_RATEID_ARFR4_AC_3SS; 1078 else if (tx_num == 4) 1079 rate_id = RTW_RATEID_ARFR6_AC_4SS; 1080 } else { 1081 if (tx_num == 1) 1082 rate_id = RTW_RATEID_ARFR2_AC_2G_1SS; 1083 else if (tx_num == 2) 1084 rate_id = RTW_RATEID_ARFR3_AC_2G_2SS; 1085 else if (tx_num == 3) 1086 rate_id = RTW_RATEID_ARFR4_AC_3SS; 1087 else if (tx_num == 4) 1088 rate_id = RTW_RATEID_ARFR6_AC_4SS; 1089 } 1090 break; 1091 default: 1092 break; 1093 } 1094 1095 return rate_id; 1096 } 1097 1098 #define RA_MASK_CCK_RATES 0x0000f 1099 #define RA_MASK_OFDM_RATES 0x00ff0 1100 #define RA_MASK_HT_RATES_1SS (0xff000ULL << 0) 1101 #define RA_MASK_HT_RATES_2SS (0xff000ULL << 8) 1102 #define RA_MASK_HT_RATES_3SS (0xff000ULL << 16) 1103 #define RA_MASK_HT_RATES (RA_MASK_HT_RATES_1SS | \ 1104 RA_MASK_HT_RATES_2SS | \ 1105 RA_MASK_HT_RATES_3SS) 1106 #define RA_MASK_VHT_RATES_1SS (0x3ff000ULL << 0) 1107 #define RA_MASK_VHT_RATES_2SS (0x3ff000ULL << 10) 1108 #define RA_MASK_VHT_RATES_3SS (0x3ff000ULL << 20) 1109 #define RA_MASK_VHT_RATES (RA_MASK_VHT_RATES_1SS | \ 1110 RA_MASK_VHT_RATES_2SS | \ 1111 RA_MASK_VHT_RATES_3SS) 1112 #define RA_MASK_CCK_IN_BG 0x00005 1113 #define RA_MASK_CCK_IN_HT 0x00005 1114 #define RA_MASK_CCK_IN_VHT 0x00005 1115 #define RA_MASK_OFDM_IN_VHT 0x00010 1116 #define RA_MASK_OFDM_IN_HT_2G 0x00010 1117 #define RA_MASK_OFDM_IN_HT_5G 0x00030 1118 1119 static u64 rtw_rate_mask_rssi(struct rtw_sta_info *si, u8 wireless_set) 1120 { 1121 u8 rssi_level = si->rssi_level; 1122 1123 if (wireless_set == WIRELESS_CCK) 1124 return 0xffffffffffffffffULL; 1125 1126 if (rssi_level == 0) 1127 return 0xffffffffffffffffULL; 1128 else if (rssi_level == 1) 1129 return 0xfffffffffffffff0ULL; 1130 else if (rssi_level == 2) 1131 return 0xffffffffffffefe0ULL; 1132 else if (rssi_level == 3) 1133 return 0xffffffffffffcfc0ULL; 1134 else if (rssi_level == 4) 1135 return 0xffffffffffff8f80ULL; 1136 else 1137 return 0xffffffffffff0f00ULL; 1138 } 1139 1140 static u64 rtw_rate_mask_recover(u64 ra_mask, u64 ra_mask_bak) 1141 { 1142 if ((ra_mask & ~(RA_MASK_CCK_RATES | RA_MASK_OFDM_RATES)) == 0) 1143 ra_mask |= (ra_mask_bak & ~(RA_MASK_CCK_RATES | RA_MASK_OFDM_RATES)); 1144 1145 if (ra_mask == 0) 1146 ra_mask |= (ra_mask_bak & (RA_MASK_CCK_RATES | RA_MASK_OFDM_RATES)); 1147 1148 return ra_mask; 1149 } 1150 1151 static u64 rtw_rate_mask_cfg(struct rtw_dev *rtwdev, struct rtw_sta_info *si, 1152 u64 ra_mask, bool is_vht_enable) 1153 { 1154 struct rtw_hal *hal = &rtwdev->hal; 1155 const struct cfg80211_bitrate_mask *mask = si->mask; 1156 u64 cfg_mask = GENMASK_ULL(63, 0); 1157 u8 band; 1158 1159 if (!si->use_cfg_mask) 1160 return ra_mask; 1161 1162 band = hal->current_band_type; 1163 if (band == RTW_BAND_2G) { 1164 band = NL80211_BAND_2GHZ; 1165 cfg_mask = mask->control[band].legacy; 1166 } else if (band == RTW_BAND_5G) { 1167 band = NL80211_BAND_5GHZ; 1168 cfg_mask = u64_encode_bits(mask->control[band].legacy, 1169 RA_MASK_OFDM_RATES); 1170 } 1171 1172 if (!is_vht_enable) { 1173 if (ra_mask & RA_MASK_HT_RATES_1SS) 1174 cfg_mask |= u64_encode_bits(mask->control[band].ht_mcs[0], 1175 RA_MASK_HT_RATES_1SS); 1176 if (ra_mask & RA_MASK_HT_RATES_2SS) 1177 cfg_mask |= u64_encode_bits(mask->control[band].ht_mcs[1], 1178 RA_MASK_HT_RATES_2SS); 1179 } else { 1180 if (ra_mask & RA_MASK_VHT_RATES_1SS) 1181 cfg_mask |= u64_encode_bits(mask->control[band].vht_mcs[0], 1182 RA_MASK_VHT_RATES_1SS); 1183 if (ra_mask & RA_MASK_VHT_RATES_2SS) 1184 cfg_mask |= u64_encode_bits(mask->control[band].vht_mcs[1], 1185 RA_MASK_VHT_RATES_2SS); 1186 } 1187 1188 ra_mask &= cfg_mask; 1189 1190 return ra_mask; 1191 } 1192 1193 void rtw_update_sta_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si, 1194 bool reset_ra_mask) 1195 { 1196 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1197 struct ieee80211_sta *sta = si->sta; 1198 struct rtw_efuse *efuse = &rtwdev->efuse; 1199 struct rtw_hal *hal = &rtwdev->hal; 1200 u8 wireless_set; 1201 u8 bw_mode; 1202 u8 rate_id; 1203 u8 rf_type = RF_1T1R; 1204 u8 stbc_en = 0; 1205 u8 ldpc_en = 0; 1206 u8 tx_num = 1; 1207 u64 ra_mask = 0; 1208 u64 ra_mask_bak = 0; 1209 bool is_vht_enable = false; 1210 bool is_support_sgi = false; 1211 1212 if (sta->deflink.vht_cap.vht_supported) { 1213 is_vht_enable = true; 1214 ra_mask |= get_vht_ra_mask(sta); 1215 if (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_MASK) 1216 stbc_en = VHT_STBC_EN; 1217 if (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC) 1218 ldpc_en = VHT_LDPC_EN; 1219 } else if (sta->deflink.ht_cap.ht_supported) { 1220 ra_mask |= (sta->deflink.ht_cap.mcs.rx_mask[1] << 20) | 1221 (sta->deflink.ht_cap.mcs.rx_mask[0] << 12); 1222 if (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_RX_STBC) 1223 stbc_en = HT_STBC_EN; 1224 if (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING) 1225 ldpc_en = HT_LDPC_EN; 1226 } 1227 1228 if (efuse->hw_cap.nss == 1 || rtwdev->hal.txrx_1ss) 1229 ra_mask &= RA_MASK_VHT_RATES_1SS | RA_MASK_HT_RATES_1SS; 1230 1231 if (hal->current_band_type == RTW_BAND_5G) { 1232 ra_mask |= (u64)sta->deflink.supp_rates[NL80211_BAND_5GHZ] << 4; 1233 ra_mask_bak = ra_mask; 1234 if (sta->deflink.vht_cap.vht_supported) { 1235 ra_mask &= RA_MASK_VHT_RATES | RA_MASK_OFDM_IN_VHT; 1236 wireless_set = WIRELESS_OFDM | WIRELESS_VHT; 1237 } else if (sta->deflink.ht_cap.ht_supported) { 1238 ra_mask &= RA_MASK_HT_RATES | RA_MASK_OFDM_IN_HT_5G; 1239 wireless_set = WIRELESS_OFDM | WIRELESS_HT; 1240 } else { 1241 wireless_set = WIRELESS_OFDM; 1242 } 1243 dm_info->rrsr_val_init = RRSR_INIT_5G; 1244 } else if (hal->current_band_type == RTW_BAND_2G) { 1245 ra_mask |= sta->deflink.supp_rates[NL80211_BAND_2GHZ]; 1246 ra_mask_bak = ra_mask; 1247 if (sta->deflink.vht_cap.vht_supported) { 1248 ra_mask &= RA_MASK_VHT_RATES | RA_MASK_CCK_IN_VHT | 1249 RA_MASK_OFDM_IN_VHT; 1250 wireless_set = WIRELESS_CCK | WIRELESS_OFDM | 1251 WIRELESS_HT | WIRELESS_VHT; 1252 } else if (sta->deflink.ht_cap.ht_supported) { 1253 ra_mask &= RA_MASK_HT_RATES | RA_MASK_CCK_IN_HT | 1254 RA_MASK_OFDM_IN_HT_2G; 1255 wireless_set = WIRELESS_CCK | WIRELESS_OFDM | 1256 WIRELESS_HT; 1257 } else if (sta->deflink.supp_rates[0] <= 0xf) { 1258 wireless_set = WIRELESS_CCK; 1259 } else { 1260 ra_mask &= RA_MASK_OFDM_RATES | RA_MASK_CCK_IN_BG; 1261 wireless_set = WIRELESS_CCK | WIRELESS_OFDM; 1262 } 1263 dm_info->rrsr_val_init = RRSR_INIT_2G; 1264 } else { 1265 rtw_err(rtwdev, "Unknown band type\n"); 1266 ra_mask_bak = ra_mask; 1267 wireless_set = 0; 1268 } 1269 1270 switch (sta->deflink.bandwidth) { 1271 case IEEE80211_STA_RX_BW_80: 1272 bw_mode = RTW_CHANNEL_WIDTH_80; 1273 is_support_sgi = sta->deflink.vht_cap.vht_supported && 1274 (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80); 1275 break; 1276 case IEEE80211_STA_RX_BW_40: 1277 bw_mode = RTW_CHANNEL_WIDTH_40; 1278 is_support_sgi = sta->deflink.ht_cap.ht_supported && 1279 (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_40); 1280 break; 1281 default: 1282 bw_mode = RTW_CHANNEL_WIDTH_20; 1283 is_support_sgi = sta->deflink.ht_cap.ht_supported && 1284 (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_20); 1285 break; 1286 } 1287 1288 if (sta->deflink.vht_cap.vht_supported && ra_mask & 0xffc00000) { 1289 tx_num = 2; 1290 rf_type = RF_2T2R; 1291 } else if (sta->deflink.ht_cap.ht_supported && ra_mask & 0xfff00000) { 1292 tx_num = 2; 1293 rf_type = RF_2T2R; 1294 } 1295 1296 rate_id = get_rate_id(wireless_set, bw_mode, tx_num); 1297 1298 ra_mask &= rtw_rate_mask_rssi(si, wireless_set); 1299 ra_mask = rtw_rate_mask_recover(ra_mask, ra_mask_bak); 1300 ra_mask = rtw_rate_mask_cfg(rtwdev, si, ra_mask, is_vht_enable); 1301 1302 si->bw_mode = bw_mode; 1303 si->stbc_en = stbc_en; 1304 si->ldpc_en = ldpc_en; 1305 si->rf_type = rf_type; 1306 si->sgi_enable = is_support_sgi; 1307 si->vht_enable = is_vht_enable; 1308 si->ra_mask = ra_mask; 1309 si->rate_id = rate_id; 1310 1311 rtw_fw_send_ra_info(rtwdev, si, reset_ra_mask); 1312 } 1313 1314 static int rtw_wait_firmware_completion(struct rtw_dev *rtwdev) 1315 { 1316 const struct rtw_chip_info *chip = rtwdev->chip; 1317 struct rtw_fw_state *fw; 1318 1319 fw = &rtwdev->fw; 1320 wait_for_completion(&fw->completion); 1321 if (!fw->firmware) 1322 return -EINVAL; 1323 1324 if (chip->wow_fw_name) { 1325 fw = &rtwdev->wow_fw; 1326 wait_for_completion(&fw->completion); 1327 if (!fw->firmware) 1328 return -EINVAL; 1329 } 1330 1331 return 0; 1332 } 1333 1334 static enum rtw_lps_deep_mode rtw_update_lps_deep_mode(struct rtw_dev *rtwdev, 1335 struct rtw_fw_state *fw) 1336 { 1337 const struct rtw_chip_info *chip = rtwdev->chip; 1338 1339 if (rtw_disable_lps_deep_mode || !chip->lps_deep_mode_supported || 1340 !fw->feature) 1341 return LPS_DEEP_MODE_NONE; 1342 1343 if ((chip->lps_deep_mode_supported & BIT(LPS_DEEP_MODE_PG)) && 1344 rtw_fw_feature_check(fw, FW_FEATURE_PG)) 1345 return LPS_DEEP_MODE_PG; 1346 1347 if ((chip->lps_deep_mode_supported & BIT(LPS_DEEP_MODE_LCLK)) && 1348 rtw_fw_feature_check(fw, FW_FEATURE_LCLK)) 1349 return LPS_DEEP_MODE_LCLK; 1350 1351 return LPS_DEEP_MODE_NONE; 1352 } 1353 1354 static int rtw_power_on(struct rtw_dev *rtwdev) 1355 { 1356 const struct rtw_chip_info *chip = rtwdev->chip; 1357 struct rtw_fw_state *fw = &rtwdev->fw; 1358 bool wifi_only; 1359 int ret; 1360 1361 ret = rtw_hci_setup(rtwdev); 1362 if (ret) { 1363 rtw_err(rtwdev, "failed to setup hci\n"); 1364 goto err; 1365 } 1366 1367 /* power on MAC before firmware downloaded */ 1368 ret = rtw_mac_power_on(rtwdev); 1369 if (ret) { 1370 rtw_err(rtwdev, "failed to power on mac\n"); 1371 goto err; 1372 } 1373 1374 ret = rtw_wait_firmware_completion(rtwdev); 1375 if (ret) { 1376 rtw_err(rtwdev, "failed to wait firmware completion\n"); 1377 goto err_off; 1378 } 1379 1380 ret = rtw_download_firmware(rtwdev, fw); 1381 if (ret) { 1382 rtw_err(rtwdev, "failed to download firmware\n"); 1383 goto err_off; 1384 } 1385 1386 /* config mac after firmware downloaded */ 1387 ret = rtw_mac_init(rtwdev); 1388 if (ret) { 1389 rtw_err(rtwdev, "failed to configure mac\n"); 1390 goto err_off; 1391 } 1392 1393 chip->ops->phy_set_param(rtwdev); 1394 1395 ret = rtw_hci_start(rtwdev); 1396 if (ret) { 1397 rtw_err(rtwdev, "failed to start hci\n"); 1398 goto err_off; 1399 } 1400 1401 /* send H2C after HCI has started */ 1402 rtw_fw_send_general_info(rtwdev); 1403 rtw_fw_send_phydm_info(rtwdev); 1404 1405 wifi_only = !rtwdev->efuse.btcoex; 1406 rtw_coex_power_on_setting(rtwdev); 1407 rtw_coex_init_hw_config(rtwdev, wifi_only); 1408 1409 return 0; 1410 1411 err_off: 1412 rtw_mac_power_off(rtwdev); 1413 1414 err: 1415 return ret; 1416 } 1417 1418 void rtw_core_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 1419 { 1420 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_NOTIFY_SCAN)) 1421 return; 1422 1423 if (start) { 1424 rtw_fw_scan_notify(rtwdev, true); 1425 } else { 1426 reinit_completion(&rtwdev->fw_scan_density); 1427 rtw_fw_scan_notify(rtwdev, false); 1428 if (!wait_for_completion_timeout(&rtwdev->fw_scan_density, 1429 SCAN_NOTIFY_TIMEOUT)) 1430 rtw_warn(rtwdev, "firmware failed to report density after scan\n"); 1431 } 1432 } 1433 1434 void rtw_core_scan_start(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 1435 const u8 *mac_addr, bool hw_scan) 1436 { 1437 u32 config = 0; 1438 int ret = 0; 1439 1440 rtw_leave_lps(rtwdev); 1441 1442 if (hw_scan && (rtwdev->hw->conf.flags & IEEE80211_CONF_IDLE)) { 1443 ret = rtw_leave_ips(rtwdev); 1444 if (ret) { 1445 rtw_err(rtwdev, "failed to leave idle state\n"); 1446 return; 1447 } 1448 } 1449 1450 ether_addr_copy(rtwvif->mac_addr, mac_addr); 1451 config |= PORT_SET_MAC_ADDR; 1452 rtw_vif_port_config(rtwdev, rtwvif, config); 1453 1454 rtw_coex_scan_notify(rtwdev, COEX_SCAN_START); 1455 rtw_core_fw_scan_notify(rtwdev, true); 1456 1457 set_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags); 1458 set_bit(RTW_FLAG_SCANNING, rtwdev->flags); 1459 } 1460 1461 void rtw_core_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 1462 bool hw_scan) 1463 { 1464 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL; 1465 u32 config = 0; 1466 1467 if (!rtwvif) 1468 return; 1469 1470 clear_bit(RTW_FLAG_SCANNING, rtwdev->flags); 1471 clear_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags); 1472 1473 rtw_core_fw_scan_notify(rtwdev, false); 1474 1475 ether_addr_copy(rtwvif->mac_addr, vif->addr); 1476 config |= PORT_SET_MAC_ADDR; 1477 rtw_vif_port_config(rtwdev, rtwvif, config); 1478 1479 rtw_coex_scan_notify(rtwdev, COEX_SCAN_FINISH); 1480 1481 if (hw_scan && (rtwdev->hw->conf.flags & IEEE80211_CONF_IDLE)) 1482 ieee80211_queue_work(rtwdev->hw, &rtwdev->ips_work); 1483 } 1484 1485 int rtw_core_start(struct rtw_dev *rtwdev) 1486 { 1487 int ret; 1488 1489 ret = rtw_power_on(rtwdev); 1490 if (ret) 1491 return ret; 1492 1493 rtw_sec_enable_sec_engine(rtwdev); 1494 1495 rtwdev->lps_conf.deep_mode = rtw_update_lps_deep_mode(rtwdev, &rtwdev->fw); 1496 rtwdev->lps_conf.wow_deep_mode = rtw_update_lps_deep_mode(rtwdev, &rtwdev->wow_fw); 1497 1498 /* rcr reset after powered on */ 1499 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 1500 1501 ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->watch_dog_work, 1502 RTW_WATCH_DOG_DELAY_TIME); 1503 1504 set_bit(RTW_FLAG_RUNNING, rtwdev->flags); 1505 1506 return 0; 1507 } 1508 1509 static void rtw_power_off(struct rtw_dev *rtwdev) 1510 { 1511 rtw_hci_stop(rtwdev); 1512 rtw_coex_power_off_setting(rtwdev); 1513 rtw_mac_power_off(rtwdev); 1514 } 1515 1516 void rtw_core_stop(struct rtw_dev *rtwdev) 1517 { 1518 struct rtw_coex *coex = &rtwdev->coex; 1519 1520 clear_bit(RTW_FLAG_RUNNING, rtwdev->flags); 1521 clear_bit(RTW_FLAG_FW_RUNNING, rtwdev->flags); 1522 1523 mutex_unlock(&rtwdev->mutex); 1524 1525 cancel_work_sync(&rtwdev->c2h_work); 1526 cancel_work_sync(&rtwdev->update_beacon_work); 1527 cancel_delayed_work_sync(&rtwdev->watch_dog_work); 1528 cancel_delayed_work_sync(&coex->bt_relink_work); 1529 cancel_delayed_work_sync(&coex->bt_reenable_work); 1530 cancel_delayed_work_sync(&coex->defreeze_work); 1531 cancel_delayed_work_sync(&coex->wl_remain_work); 1532 cancel_delayed_work_sync(&coex->bt_remain_work); 1533 cancel_delayed_work_sync(&coex->wl_connecting_work); 1534 cancel_delayed_work_sync(&coex->bt_multi_link_remain_work); 1535 cancel_delayed_work_sync(&coex->wl_ccklock_work); 1536 1537 mutex_lock(&rtwdev->mutex); 1538 1539 rtw_power_off(rtwdev); 1540 } 1541 1542 static void rtw_init_ht_cap(struct rtw_dev *rtwdev, 1543 struct ieee80211_sta_ht_cap *ht_cap) 1544 { 1545 const struct rtw_chip_info *chip = rtwdev->chip; 1546 struct rtw_efuse *efuse = &rtwdev->efuse; 1547 1548 ht_cap->ht_supported = true; 1549 ht_cap->cap = 0; 1550 ht_cap->cap |= IEEE80211_HT_CAP_SGI_20 | 1551 IEEE80211_HT_CAP_MAX_AMSDU | 1552 (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); 1553 1554 if (rtw_chip_has_rx_ldpc(rtwdev)) 1555 ht_cap->cap |= IEEE80211_HT_CAP_LDPC_CODING; 1556 if (rtw_chip_has_tx_stbc(rtwdev)) 1557 ht_cap->cap |= IEEE80211_HT_CAP_TX_STBC; 1558 1559 if (efuse->hw_cap.bw & BIT(RTW_CHANNEL_WIDTH_40)) 1560 ht_cap->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40 | 1561 IEEE80211_HT_CAP_DSSSCCK40 | 1562 IEEE80211_HT_CAP_SGI_40; 1563 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 1564 ht_cap->ampdu_density = chip->ampdu_density; 1565 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 1566 if (efuse->hw_cap.nss > 1) { 1567 ht_cap->mcs.rx_mask[0] = 0xFF; 1568 ht_cap->mcs.rx_mask[1] = 0xFF; 1569 ht_cap->mcs.rx_mask[4] = 0x01; 1570 ht_cap->mcs.rx_highest = cpu_to_le16(300); 1571 } else { 1572 ht_cap->mcs.rx_mask[0] = 0xFF; 1573 ht_cap->mcs.rx_mask[1] = 0x00; 1574 ht_cap->mcs.rx_mask[4] = 0x01; 1575 ht_cap->mcs.rx_highest = cpu_to_le16(150); 1576 } 1577 } 1578 1579 static void rtw_init_vht_cap(struct rtw_dev *rtwdev, 1580 struct ieee80211_sta_vht_cap *vht_cap) 1581 { 1582 struct rtw_efuse *efuse = &rtwdev->efuse; 1583 u16 mcs_map; 1584 __le16 highest; 1585 1586 if (efuse->hw_cap.ptcl != EFUSE_HW_CAP_IGNORE && 1587 efuse->hw_cap.ptcl != EFUSE_HW_CAP_PTCL_VHT) 1588 return; 1589 1590 vht_cap->vht_supported = true; 1591 vht_cap->cap = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 | 1592 IEEE80211_VHT_CAP_SHORT_GI_80 | 1593 IEEE80211_VHT_CAP_RXSTBC_1 | 1594 IEEE80211_VHT_CAP_HTC_VHT | 1595 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK | 1596 0; 1597 if (rtwdev->hal.rf_path_num > 1) 1598 vht_cap->cap |= IEEE80211_VHT_CAP_TXSTBC; 1599 vht_cap->cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE | 1600 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE; 1601 vht_cap->cap |= (rtwdev->hal.bfee_sts_cap << 1602 IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT); 1603 1604 if (rtw_chip_has_rx_ldpc(rtwdev)) 1605 vht_cap->cap |= IEEE80211_VHT_CAP_RXLDPC; 1606 1607 mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | 1608 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 | 1609 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 | 1610 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 | 1611 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 | 1612 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 | 1613 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14; 1614 if (efuse->hw_cap.nss > 1) { 1615 highest = cpu_to_le16(780); 1616 mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << 2; 1617 } else { 1618 highest = cpu_to_le16(390); 1619 mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << 2; 1620 } 1621 1622 vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map); 1623 vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map); 1624 vht_cap->vht_mcs.rx_highest = highest; 1625 vht_cap->vht_mcs.tx_highest = highest; 1626 } 1627 1628 static u16 rtw_get_max_scan_ie_len(struct rtw_dev *rtwdev) 1629 { 1630 u16 len; 1631 1632 len = rtwdev->chip->max_scan_ie_len; 1633 1634 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD) && 1635 rtwdev->chip->id == RTW_CHIP_TYPE_8822C) 1636 len = IEEE80211_MAX_DATA_LEN; 1637 else if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM)) 1638 len -= RTW_OLD_PROBE_PG_CNT * TX_PAGE_SIZE; 1639 1640 return len; 1641 } 1642 1643 static void rtw_set_supported_band(struct ieee80211_hw *hw, 1644 const struct rtw_chip_info *chip) 1645 { 1646 struct rtw_dev *rtwdev = hw->priv; 1647 struct ieee80211_supported_band *sband; 1648 1649 if (chip->band & RTW_BAND_2G) { 1650 sband = kmemdup(&rtw_band_2ghz, sizeof(*sband), GFP_KERNEL); 1651 if (!sband) 1652 goto err_out; 1653 if (chip->ht_supported) 1654 rtw_init_ht_cap(rtwdev, &sband->ht_cap); 1655 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; 1656 } 1657 1658 if (chip->band & RTW_BAND_5G) { 1659 sband = kmemdup(&rtw_band_5ghz, sizeof(*sband), GFP_KERNEL); 1660 if (!sband) 1661 goto err_out; 1662 if (chip->ht_supported) 1663 rtw_init_ht_cap(rtwdev, &sband->ht_cap); 1664 if (chip->vht_supported) 1665 rtw_init_vht_cap(rtwdev, &sband->vht_cap); 1666 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband; 1667 } 1668 1669 return; 1670 1671 err_out: 1672 rtw_err(rtwdev, "failed to set supported band\n"); 1673 } 1674 1675 static void rtw_unset_supported_band(struct ieee80211_hw *hw, 1676 const struct rtw_chip_info *chip) 1677 { 1678 kfree(hw->wiphy->bands[NL80211_BAND_2GHZ]); 1679 kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]); 1680 } 1681 1682 static void rtw_vif_smps_iter(void *data, u8 *mac, 1683 struct ieee80211_vif *vif) 1684 { 1685 struct rtw_dev *rtwdev = (struct rtw_dev *)data; 1686 1687 if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc) 1688 return; 1689 1690 if (rtwdev->hal.txrx_1ss) 1691 ieee80211_request_smps(vif, 0, IEEE80211_SMPS_STATIC); 1692 else 1693 ieee80211_request_smps(vif, 0, IEEE80211_SMPS_OFF); 1694 } 1695 1696 void rtw_set_txrx_1ss(struct rtw_dev *rtwdev, bool txrx_1ss) 1697 { 1698 const struct rtw_chip_info *chip = rtwdev->chip; 1699 struct rtw_hal *hal = &rtwdev->hal; 1700 1701 if (!chip->ops->config_txrx_mode || rtwdev->hal.txrx_1ss == txrx_1ss) 1702 return; 1703 1704 rtwdev->hal.txrx_1ss = txrx_1ss; 1705 if (txrx_1ss) 1706 chip->ops->config_txrx_mode(rtwdev, BB_PATH_A, BB_PATH_A, false); 1707 else 1708 chip->ops->config_txrx_mode(rtwdev, hal->antenna_tx, 1709 hal->antenna_rx, false); 1710 rtw_iterate_vifs_atomic(rtwdev, rtw_vif_smps_iter, rtwdev); 1711 } 1712 1713 static void __update_firmware_feature(struct rtw_dev *rtwdev, 1714 struct rtw_fw_state *fw) 1715 { 1716 u32 feature; 1717 const struct rtw_fw_hdr *fw_hdr = 1718 (const struct rtw_fw_hdr *)fw->firmware->data; 1719 1720 feature = le32_to_cpu(fw_hdr->feature); 1721 fw->feature = feature & FW_FEATURE_SIG ? feature : 0; 1722 1723 if (rtwdev->chip->id == RTW_CHIP_TYPE_8822C && 1724 RTW_FW_SUIT_VER_CODE(rtwdev->fw) < RTW_FW_VER_CODE(9, 9, 13)) 1725 fw->feature_ext |= FW_FEATURE_EXT_OLD_PAGE_NUM; 1726 } 1727 1728 static void __update_firmware_info(struct rtw_dev *rtwdev, 1729 struct rtw_fw_state *fw) 1730 { 1731 const struct rtw_fw_hdr *fw_hdr = 1732 (const struct rtw_fw_hdr *)fw->firmware->data; 1733 1734 fw->h2c_version = le16_to_cpu(fw_hdr->h2c_fmt_ver); 1735 fw->version = le16_to_cpu(fw_hdr->version); 1736 fw->sub_version = fw_hdr->subversion; 1737 fw->sub_index = fw_hdr->subindex; 1738 1739 __update_firmware_feature(rtwdev, fw); 1740 } 1741 1742 static void __update_firmware_info_legacy(struct rtw_dev *rtwdev, 1743 struct rtw_fw_state *fw) 1744 { 1745 struct rtw_fw_hdr_legacy *legacy = 1746 (struct rtw_fw_hdr_legacy *)fw->firmware->data; 1747 1748 fw->h2c_version = 0; 1749 fw->version = le16_to_cpu(legacy->version); 1750 fw->sub_version = legacy->subversion1; 1751 fw->sub_index = legacy->subversion2; 1752 } 1753 1754 static void update_firmware_info(struct rtw_dev *rtwdev, 1755 struct rtw_fw_state *fw) 1756 { 1757 if (rtw_chip_wcpu_11n(rtwdev)) 1758 __update_firmware_info_legacy(rtwdev, fw); 1759 else 1760 __update_firmware_info(rtwdev, fw); 1761 } 1762 1763 static void rtw_load_firmware_cb(const struct firmware *firmware, void *context) 1764 { 1765 struct rtw_fw_state *fw = context; 1766 struct rtw_dev *rtwdev = fw->rtwdev; 1767 1768 if (!firmware || !firmware->data) { 1769 rtw_err(rtwdev, "failed to request firmware\n"); 1770 complete_all(&fw->completion); 1771 return; 1772 } 1773 1774 fw->firmware = firmware; 1775 update_firmware_info(rtwdev, fw); 1776 complete_all(&fw->completion); 1777 1778 rtw_info(rtwdev, "%sFirmware version %u.%u.%u, H2C version %u\n", 1779 fw->type == RTW_WOWLAN_FW ? "WOW " : "", 1780 fw->version, fw->sub_version, fw->sub_index, fw->h2c_version); 1781 } 1782 1783 static int rtw_load_firmware(struct rtw_dev *rtwdev, enum rtw_fw_type type) 1784 { 1785 const char *fw_name; 1786 struct rtw_fw_state *fw; 1787 int ret; 1788 1789 switch (type) { 1790 case RTW_WOWLAN_FW: 1791 fw = &rtwdev->wow_fw; 1792 fw_name = rtwdev->chip->wow_fw_name; 1793 break; 1794 1795 case RTW_NORMAL_FW: 1796 fw = &rtwdev->fw; 1797 fw_name = rtwdev->chip->fw_name; 1798 break; 1799 1800 default: 1801 rtw_warn(rtwdev, "unsupported firmware type\n"); 1802 return -ENOENT; 1803 } 1804 1805 fw->type = type; 1806 fw->rtwdev = rtwdev; 1807 init_completion(&fw->completion); 1808 1809 ret = request_firmware_nowait(THIS_MODULE, true, fw_name, rtwdev->dev, 1810 GFP_KERNEL, fw, rtw_load_firmware_cb); 1811 if (ret) { 1812 rtw_err(rtwdev, "failed to async firmware request\n"); 1813 return ret; 1814 } 1815 1816 return 0; 1817 } 1818 1819 static int rtw_chip_parameter_setup(struct rtw_dev *rtwdev) 1820 { 1821 const struct rtw_chip_info *chip = rtwdev->chip; 1822 struct rtw_hal *hal = &rtwdev->hal; 1823 struct rtw_efuse *efuse = &rtwdev->efuse; 1824 1825 switch (rtw_hci_type(rtwdev)) { 1826 case RTW_HCI_TYPE_PCIE: 1827 rtwdev->hci.rpwm_addr = 0x03d9; 1828 rtwdev->hci.cpwm_addr = 0x03da; 1829 break; 1830 case RTW_HCI_TYPE_SDIO: 1831 rtwdev->hci.rpwm_addr = REG_SDIO_HRPWM1; 1832 rtwdev->hci.cpwm_addr = REG_SDIO_HCPWM1_V2; 1833 break; 1834 case RTW_HCI_TYPE_USB: 1835 rtwdev->hci.rpwm_addr = 0xfe58; 1836 rtwdev->hci.cpwm_addr = 0xfe57; 1837 break; 1838 default: 1839 rtw_err(rtwdev, "unsupported hci type\n"); 1840 return -EINVAL; 1841 } 1842 1843 hal->chip_version = rtw_read32(rtwdev, REG_SYS_CFG1); 1844 hal->cut_version = BIT_GET_CHIP_VER(hal->chip_version); 1845 hal->mp_chip = (hal->chip_version & BIT_RTL_ID) ? 0 : 1; 1846 if (hal->chip_version & BIT_RF_TYPE_ID) { 1847 hal->rf_type = RF_2T2R; 1848 hal->rf_path_num = 2; 1849 hal->antenna_tx = BB_PATH_AB; 1850 hal->antenna_rx = BB_PATH_AB; 1851 } else { 1852 hal->rf_type = RF_1T1R; 1853 hal->rf_path_num = 1; 1854 hal->antenna_tx = BB_PATH_A; 1855 hal->antenna_rx = BB_PATH_A; 1856 } 1857 hal->rf_phy_num = chip->fix_rf_phy_num ? chip->fix_rf_phy_num : 1858 hal->rf_path_num; 1859 1860 efuse->physical_size = chip->phy_efuse_size; 1861 efuse->logical_size = chip->log_efuse_size; 1862 efuse->protect_size = chip->ptct_efuse_size; 1863 1864 /* default use ack */ 1865 rtwdev->hal.rcr |= BIT_VHT_DACK; 1866 1867 hal->bfee_sts_cap = 3; 1868 1869 return 0; 1870 } 1871 1872 static int rtw_chip_efuse_enable(struct rtw_dev *rtwdev) 1873 { 1874 struct rtw_fw_state *fw = &rtwdev->fw; 1875 int ret; 1876 1877 ret = rtw_hci_setup(rtwdev); 1878 if (ret) { 1879 rtw_err(rtwdev, "failed to setup hci\n"); 1880 goto err; 1881 } 1882 1883 ret = rtw_mac_power_on(rtwdev); 1884 if (ret) { 1885 rtw_err(rtwdev, "failed to power on mac\n"); 1886 goto err; 1887 } 1888 1889 rtw_write8(rtwdev, REG_C2HEVT, C2H_HW_FEATURE_DUMP); 1890 1891 wait_for_completion(&fw->completion); 1892 if (!fw->firmware) { 1893 ret = -EINVAL; 1894 rtw_err(rtwdev, "failed to load firmware\n"); 1895 goto err; 1896 } 1897 1898 ret = rtw_download_firmware(rtwdev, fw); 1899 if (ret) { 1900 rtw_err(rtwdev, "failed to download firmware\n"); 1901 goto err_off; 1902 } 1903 1904 return 0; 1905 1906 err_off: 1907 rtw_mac_power_off(rtwdev); 1908 1909 err: 1910 return ret; 1911 } 1912 1913 static int rtw_dump_hw_feature(struct rtw_dev *rtwdev) 1914 { 1915 struct rtw_efuse *efuse = &rtwdev->efuse; 1916 u8 hw_feature[HW_FEATURE_LEN]; 1917 u8 id; 1918 u8 bw; 1919 int i; 1920 1921 id = rtw_read8(rtwdev, REG_C2HEVT); 1922 if (id != C2H_HW_FEATURE_REPORT) { 1923 rtw_err(rtwdev, "failed to read hw feature report\n"); 1924 return -EBUSY; 1925 } 1926 1927 for (i = 0; i < HW_FEATURE_LEN; i++) 1928 hw_feature[i] = rtw_read8(rtwdev, REG_C2HEVT + 2 + i); 1929 1930 rtw_write8(rtwdev, REG_C2HEVT, 0); 1931 1932 bw = GET_EFUSE_HW_CAP_BW(hw_feature); 1933 efuse->hw_cap.bw = hw_bw_cap_to_bitamp(bw); 1934 efuse->hw_cap.hci = GET_EFUSE_HW_CAP_HCI(hw_feature); 1935 efuse->hw_cap.nss = GET_EFUSE_HW_CAP_NSS(hw_feature); 1936 efuse->hw_cap.ptcl = GET_EFUSE_HW_CAP_PTCL(hw_feature); 1937 efuse->hw_cap.ant_num = GET_EFUSE_HW_CAP_ANT_NUM(hw_feature); 1938 1939 rtw_hw_config_rf_ant_num(rtwdev, efuse->hw_cap.ant_num); 1940 1941 if (efuse->hw_cap.nss == EFUSE_HW_CAP_IGNORE || 1942 efuse->hw_cap.nss > rtwdev->hal.rf_path_num) 1943 efuse->hw_cap.nss = rtwdev->hal.rf_path_num; 1944 1945 rtw_dbg(rtwdev, RTW_DBG_EFUSE, 1946 "hw cap: hci=0x%02x, bw=0x%02x, ptcl=0x%02x, ant_num=%d, nss=%d\n", 1947 efuse->hw_cap.hci, efuse->hw_cap.bw, efuse->hw_cap.ptcl, 1948 efuse->hw_cap.ant_num, efuse->hw_cap.nss); 1949 1950 return 0; 1951 } 1952 1953 static void rtw_chip_efuse_disable(struct rtw_dev *rtwdev) 1954 { 1955 rtw_hci_stop(rtwdev); 1956 rtw_mac_power_off(rtwdev); 1957 } 1958 1959 static int rtw_chip_efuse_info_setup(struct rtw_dev *rtwdev) 1960 { 1961 struct rtw_efuse *efuse = &rtwdev->efuse; 1962 int ret; 1963 1964 mutex_lock(&rtwdev->mutex); 1965 1966 /* power on mac to read efuse */ 1967 ret = rtw_chip_efuse_enable(rtwdev); 1968 if (ret) 1969 goto out_unlock; 1970 1971 ret = rtw_parse_efuse_map(rtwdev); 1972 if (ret) 1973 goto out_disable; 1974 1975 ret = rtw_dump_hw_feature(rtwdev); 1976 if (ret) 1977 goto out_disable; 1978 1979 ret = rtw_check_supported_rfe(rtwdev); 1980 if (ret) 1981 goto out_disable; 1982 1983 if (efuse->crystal_cap == 0xff) 1984 efuse->crystal_cap = 0; 1985 if (efuse->pa_type_2g == 0xff) 1986 efuse->pa_type_2g = 0; 1987 if (efuse->pa_type_5g == 0xff) 1988 efuse->pa_type_5g = 0; 1989 if (efuse->lna_type_2g == 0xff) 1990 efuse->lna_type_2g = 0; 1991 if (efuse->lna_type_5g == 0xff) 1992 efuse->lna_type_5g = 0; 1993 if (efuse->channel_plan == 0xff) 1994 efuse->channel_plan = 0x7f; 1995 if (efuse->rf_board_option == 0xff) 1996 efuse->rf_board_option = 0; 1997 if (efuse->bt_setting & BIT(0)) 1998 efuse->share_ant = true; 1999 if (efuse->regd == 0xff) 2000 efuse->regd = 0; 2001 if (efuse->tx_bb_swing_setting_2g == 0xff) 2002 efuse->tx_bb_swing_setting_2g = 0; 2003 if (efuse->tx_bb_swing_setting_5g == 0xff) 2004 efuse->tx_bb_swing_setting_5g = 0; 2005 2006 efuse->btcoex = (efuse->rf_board_option & 0xe0) == 0x20; 2007 efuse->ext_pa_2g = efuse->pa_type_2g & BIT(4) ? 1 : 0; 2008 efuse->ext_lna_2g = efuse->lna_type_2g & BIT(3) ? 1 : 0; 2009 efuse->ext_pa_5g = efuse->pa_type_5g & BIT(0) ? 1 : 0; 2010 efuse->ext_lna_2g = efuse->lna_type_5g & BIT(3) ? 1 : 0; 2011 2012 out_disable: 2013 rtw_chip_efuse_disable(rtwdev); 2014 2015 out_unlock: 2016 mutex_unlock(&rtwdev->mutex); 2017 return ret; 2018 } 2019 2020 static int rtw_chip_board_info_setup(struct rtw_dev *rtwdev) 2021 { 2022 struct rtw_hal *hal = &rtwdev->hal; 2023 const struct rtw_rfe_def *rfe_def = rtw_get_rfe_def(rtwdev); 2024 2025 if (!rfe_def) 2026 return -ENODEV; 2027 2028 rtw_phy_setup_phy_cond(rtwdev, hal->pkg_type); 2029 2030 rtw_phy_init_tx_power(rtwdev); 2031 if (rfe_def->agc_btg_tbl) 2032 rtw_load_table(rtwdev, rfe_def->agc_btg_tbl); 2033 rtw_load_table(rtwdev, rfe_def->phy_pg_tbl); 2034 rtw_load_table(rtwdev, rfe_def->txpwr_lmt_tbl); 2035 rtw_phy_tx_power_by_rate_config(hal); 2036 rtw_phy_tx_power_limit_config(hal); 2037 2038 return 0; 2039 } 2040 2041 int rtw_chip_info_setup(struct rtw_dev *rtwdev) 2042 { 2043 int ret; 2044 2045 ret = rtw_chip_parameter_setup(rtwdev); 2046 if (ret) { 2047 rtw_err(rtwdev, "failed to setup chip parameters\n"); 2048 goto err_out; 2049 } 2050 2051 ret = rtw_chip_efuse_info_setup(rtwdev); 2052 if (ret) { 2053 rtw_err(rtwdev, "failed to setup chip efuse info\n"); 2054 goto err_out; 2055 } 2056 2057 ret = rtw_chip_board_info_setup(rtwdev); 2058 if (ret) { 2059 rtw_err(rtwdev, "failed to setup chip board info\n"); 2060 goto err_out; 2061 } 2062 2063 return 0; 2064 2065 err_out: 2066 return ret; 2067 } 2068 EXPORT_SYMBOL(rtw_chip_info_setup); 2069 2070 static void rtw_stats_init(struct rtw_dev *rtwdev) 2071 { 2072 struct rtw_traffic_stats *stats = &rtwdev->stats; 2073 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 2074 int i; 2075 2076 ewma_tp_init(&stats->tx_ewma_tp); 2077 ewma_tp_init(&stats->rx_ewma_tp); 2078 2079 for (i = 0; i < RTW_EVM_NUM; i++) 2080 ewma_evm_init(&dm_info->ewma_evm[i]); 2081 for (i = 0; i < RTW_SNR_NUM; i++) 2082 ewma_snr_init(&dm_info->ewma_snr[i]); 2083 } 2084 2085 int rtw_core_init(struct rtw_dev *rtwdev) 2086 { 2087 const struct rtw_chip_info *chip = rtwdev->chip; 2088 struct rtw_coex *coex = &rtwdev->coex; 2089 int ret; 2090 2091 INIT_LIST_HEAD(&rtwdev->rsvd_page_list); 2092 INIT_LIST_HEAD(&rtwdev->txqs); 2093 2094 timer_setup(&rtwdev->tx_report.purge_timer, 2095 rtw_tx_report_purge_timer, 0); 2096 rtwdev->tx_wq = alloc_workqueue("rtw_tx_wq", WQ_UNBOUND | WQ_HIGHPRI, 0); 2097 if (!rtwdev->tx_wq) { 2098 rtw_warn(rtwdev, "alloc_workqueue rtw_tx_wq failed\n"); 2099 return -ENOMEM; 2100 } 2101 2102 INIT_DELAYED_WORK(&rtwdev->watch_dog_work, rtw_watch_dog_work); 2103 INIT_DELAYED_WORK(&coex->bt_relink_work, rtw_coex_bt_relink_work); 2104 INIT_DELAYED_WORK(&coex->bt_reenable_work, rtw_coex_bt_reenable_work); 2105 INIT_DELAYED_WORK(&coex->defreeze_work, rtw_coex_defreeze_work); 2106 INIT_DELAYED_WORK(&coex->wl_remain_work, rtw_coex_wl_remain_work); 2107 INIT_DELAYED_WORK(&coex->bt_remain_work, rtw_coex_bt_remain_work); 2108 INIT_DELAYED_WORK(&coex->wl_connecting_work, rtw_coex_wl_connecting_work); 2109 INIT_DELAYED_WORK(&coex->bt_multi_link_remain_work, 2110 rtw_coex_bt_multi_link_remain_work); 2111 INIT_DELAYED_WORK(&coex->wl_ccklock_work, rtw_coex_wl_ccklock_work); 2112 INIT_WORK(&rtwdev->tx_work, rtw_tx_work); 2113 INIT_WORK(&rtwdev->c2h_work, rtw_c2h_work); 2114 INIT_WORK(&rtwdev->ips_work, rtw_ips_work); 2115 INIT_WORK(&rtwdev->fw_recovery_work, rtw_fw_recovery_work); 2116 INIT_WORK(&rtwdev->update_beacon_work, rtw_fw_update_beacon_work); 2117 INIT_WORK(&rtwdev->ba_work, rtw_txq_ba_work); 2118 skb_queue_head_init(&rtwdev->c2h_queue); 2119 skb_queue_head_init(&rtwdev->coex.queue); 2120 skb_queue_head_init(&rtwdev->tx_report.queue); 2121 2122 spin_lock_init(&rtwdev->txq_lock); 2123 spin_lock_init(&rtwdev->tx_report.q_lock); 2124 2125 mutex_init(&rtwdev->mutex); 2126 mutex_init(&rtwdev->hal.tx_power_mutex); 2127 2128 init_waitqueue_head(&rtwdev->coex.wait); 2129 init_completion(&rtwdev->lps_leave_check); 2130 init_completion(&rtwdev->fw_scan_density); 2131 2132 rtwdev->sec.total_cam_num = 32; 2133 rtwdev->hal.current_channel = 1; 2134 rtwdev->dm_info.fix_rate = U8_MAX; 2135 set_bit(RTW_BC_MC_MACID, rtwdev->mac_id_map); 2136 2137 rtw_stats_init(rtwdev); 2138 2139 /* default rx filter setting */ 2140 rtwdev->hal.rcr = BIT_APP_FCS | BIT_APP_MIC | BIT_APP_ICV | 2141 BIT_PKTCTL_DLEN | BIT_HTC_LOC_CTRL | BIT_APP_PHYSTS | 2142 BIT_AB | BIT_AM | BIT_APM; 2143 2144 ret = rtw_load_firmware(rtwdev, RTW_NORMAL_FW); 2145 if (ret) { 2146 rtw_warn(rtwdev, "no firmware loaded\n"); 2147 goto out; 2148 } 2149 2150 if (chip->wow_fw_name) { 2151 ret = rtw_load_firmware(rtwdev, RTW_WOWLAN_FW); 2152 if (ret) { 2153 rtw_warn(rtwdev, "no wow firmware loaded\n"); 2154 wait_for_completion(&rtwdev->fw.completion); 2155 if (rtwdev->fw.firmware) 2156 release_firmware(rtwdev->fw.firmware); 2157 goto out; 2158 } 2159 } 2160 2161 return 0; 2162 2163 out: 2164 destroy_workqueue(rtwdev->tx_wq); 2165 return ret; 2166 } 2167 EXPORT_SYMBOL(rtw_core_init); 2168 2169 void rtw_core_deinit(struct rtw_dev *rtwdev) 2170 { 2171 struct rtw_fw_state *fw = &rtwdev->fw; 2172 struct rtw_fw_state *wow_fw = &rtwdev->wow_fw; 2173 struct rtw_rsvd_page *rsvd_pkt, *tmp; 2174 unsigned long flags; 2175 2176 rtw_wait_firmware_completion(rtwdev); 2177 2178 if (fw->firmware) 2179 release_firmware(fw->firmware); 2180 2181 if (wow_fw->firmware) 2182 release_firmware(wow_fw->firmware); 2183 2184 destroy_workqueue(rtwdev->tx_wq); 2185 timer_delete_sync(&rtwdev->tx_report.purge_timer); 2186 spin_lock_irqsave(&rtwdev->tx_report.q_lock, flags); 2187 skb_queue_purge(&rtwdev->tx_report.queue); 2188 spin_unlock_irqrestore(&rtwdev->tx_report.q_lock, flags); 2189 skb_queue_purge(&rtwdev->coex.queue); 2190 skb_queue_purge(&rtwdev->c2h_queue); 2191 2192 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 2193 build_list) { 2194 list_del(&rsvd_pkt->build_list); 2195 kfree(rsvd_pkt); 2196 } 2197 2198 mutex_destroy(&rtwdev->mutex); 2199 mutex_destroy(&rtwdev->hal.tx_power_mutex); 2200 } 2201 EXPORT_SYMBOL(rtw_core_deinit); 2202 2203 int rtw_register_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw) 2204 { 2205 struct rtw_hal *hal = &rtwdev->hal; 2206 int max_tx_headroom = 0; 2207 int ret; 2208 2209 max_tx_headroom = rtwdev->chip->tx_pkt_desc_sz; 2210 2211 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_SDIO) 2212 max_tx_headroom += RTW_SDIO_DATA_PTR_ALIGN; 2213 2214 hw->extra_tx_headroom = max_tx_headroom; 2215 hw->queues = IEEE80211_NUM_ACS; 2216 hw->txq_data_size = sizeof(struct rtw_txq); 2217 hw->sta_data_size = sizeof(struct rtw_sta_info); 2218 hw->vif_data_size = sizeof(struct rtw_vif); 2219 2220 ieee80211_hw_set(hw, SIGNAL_DBM); 2221 ieee80211_hw_set(hw, RX_INCLUDES_FCS); 2222 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 2223 ieee80211_hw_set(hw, MFP_CAPABLE); 2224 ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); 2225 ieee80211_hw_set(hw, SUPPORTS_PS); 2226 ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); 2227 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 2228 ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU); 2229 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 2230 ieee80211_hw_set(hw, TX_AMSDU); 2231 ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); 2232 2233 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 2234 BIT(NL80211_IFTYPE_AP) | 2235 BIT(NL80211_IFTYPE_ADHOC) | 2236 BIT(NL80211_IFTYPE_MESH_POINT); 2237 hw->wiphy->available_antennas_tx = hal->antenna_tx; 2238 hw->wiphy->available_antennas_rx = hal->antenna_rx; 2239 2240 hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | 2241 WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 2242 2243 hw->wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; 2244 hw->wiphy->max_scan_ssids = RTW_SCAN_MAX_SSIDS; 2245 hw->wiphy->max_scan_ie_len = rtw_get_max_scan_ie_len(rtwdev); 2246 2247 if (rtwdev->chip->id == RTW_CHIP_TYPE_8822C) { 2248 hw->wiphy->iface_combinations = rtw_iface_combs; 2249 hw->wiphy->n_iface_combinations = ARRAY_SIZE(rtw_iface_combs); 2250 } 2251 2252 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CAN_REPLACE_PTK0); 2253 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_SCAN_RANDOM_SN); 2254 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL); 2255 2256 #ifdef CONFIG_PM 2257 hw->wiphy->wowlan = rtwdev->chip->wowlan_stub; 2258 hw->wiphy->max_sched_scan_ssids = rtwdev->chip->max_sched_scan_ssids; 2259 #endif 2260 rtw_set_supported_band(hw, rtwdev->chip); 2261 SET_IEEE80211_PERM_ADDR(hw, rtwdev->efuse.addr); 2262 2263 hw->wiphy->sar_capa = &rtw_sar_capa; 2264 2265 ret = rtw_regd_init(rtwdev); 2266 if (ret) { 2267 rtw_err(rtwdev, "failed to init regd\n"); 2268 return ret; 2269 } 2270 2271 ret = ieee80211_register_hw(hw); 2272 if (ret) { 2273 rtw_err(rtwdev, "failed to register hw\n"); 2274 return ret; 2275 } 2276 2277 ret = rtw_regd_hint(rtwdev); 2278 if (ret) { 2279 rtw_err(rtwdev, "failed to hint regd\n"); 2280 return ret; 2281 } 2282 2283 rtw_debugfs_init(rtwdev); 2284 2285 rtwdev->bf_info.bfer_mu_cnt = 0; 2286 rtwdev->bf_info.bfer_su_cnt = 0; 2287 2288 return 0; 2289 } 2290 EXPORT_SYMBOL(rtw_register_hw); 2291 2292 void rtw_unregister_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw) 2293 { 2294 const struct rtw_chip_info *chip = rtwdev->chip; 2295 2296 ieee80211_unregister_hw(hw); 2297 rtw_unset_supported_band(hw, chip); 2298 } 2299 EXPORT_SYMBOL(rtw_unregister_hw); 2300 2301 static 2302 void rtw_swap_reg_nbytes(struct rtw_dev *rtwdev, const struct rtw_hw_reg *reg1, 2303 const struct rtw_hw_reg *reg2, u8 nbytes) 2304 { 2305 u8 i; 2306 2307 for (i = 0; i < nbytes; i++) { 2308 u8 v1 = rtw_read8(rtwdev, reg1->addr + i); 2309 u8 v2 = rtw_read8(rtwdev, reg2->addr + i); 2310 2311 rtw_write8(rtwdev, reg1->addr + i, v2); 2312 rtw_write8(rtwdev, reg2->addr + i, v1); 2313 } 2314 } 2315 2316 static 2317 void rtw_swap_reg_mask(struct rtw_dev *rtwdev, const struct rtw_hw_reg *reg1, 2318 const struct rtw_hw_reg *reg2) 2319 { 2320 u32 v1, v2; 2321 2322 v1 = rtw_read32_mask(rtwdev, reg1->addr, reg1->mask); 2323 v2 = rtw_read32_mask(rtwdev, reg2->addr, reg2->mask); 2324 rtw_write32_mask(rtwdev, reg2->addr, reg2->mask, v1); 2325 rtw_write32_mask(rtwdev, reg1->addr, reg1->mask, v2); 2326 } 2327 2328 struct rtw_iter_port_switch_data { 2329 struct rtw_dev *rtwdev; 2330 struct rtw_vif *rtwvif_ap; 2331 }; 2332 2333 static void rtw_port_switch_iter(void *data, u8 *mac, struct ieee80211_vif *vif) 2334 { 2335 struct rtw_iter_port_switch_data *iter_data = data; 2336 struct rtw_dev *rtwdev = iter_data->rtwdev; 2337 struct rtw_vif *rtwvif_target = (struct rtw_vif *)vif->drv_priv; 2338 struct rtw_vif *rtwvif_ap = iter_data->rtwvif_ap; 2339 const struct rtw_hw_reg *reg1, *reg2; 2340 2341 if (rtwvif_target->port != RTW_PORT_0) 2342 return; 2343 2344 rtw_dbg(rtwdev, RTW_DBG_STATE, "AP port switch from %d -> %d\n", 2345 rtwvif_ap->port, rtwvif_target->port); 2346 2347 /* Leave LPS so the value swapped are not in PS mode */ 2348 rtw_leave_lps(rtwdev); 2349 2350 reg1 = &rtwvif_ap->conf->net_type; 2351 reg2 = &rtwvif_target->conf->net_type; 2352 rtw_swap_reg_mask(rtwdev, reg1, reg2); 2353 2354 reg1 = &rtwvif_ap->conf->mac_addr; 2355 reg2 = &rtwvif_target->conf->mac_addr; 2356 rtw_swap_reg_nbytes(rtwdev, reg1, reg2, ETH_ALEN); 2357 2358 reg1 = &rtwvif_ap->conf->bssid; 2359 reg2 = &rtwvif_target->conf->bssid; 2360 rtw_swap_reg_nbytes(rtwdev, reg1, reg2, ETH_ALEN); 2361 2362 reg1 = &rtwvif_ap->conf->bcn_ctrl; 2363 reg2 = &rtwvif_target->conf->bcn_ctrl; 2364 rtw_swap_reg_nbytes(rtwdev, reg1, reg2, 1); 2365 2366 swap(rtwvif_target->port, rtwvif_ap->port); 2367 swap(rtwvif_target->conf, rtwvif_ap->conf); 2368 2369 rtw_fw_default_port(rtwdev, rtwvif_target); 2370 } 2371 2372 void rtw_core_port_switch(struct rtw_dev *rtwdev, struct ieee80211_vif *vif) 2373 { 2374 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 2375 struct rtw_iter_port_switch_data iter_data; 2376 2377 if (vif->type != NL80211_IFTYPE_AP || rtwvif->port == RTW_PORT_0) 2378 return; 2379 2380 iter_data.rtwdev = rtwdev; 2381 iter_data.rtwvif_ap = rtwvif; 2382 rtw_iterate_vifs(rtwdev, rtw_port_switch_iter, &iter_data); 2383 } 2384 2385 static void rtw_check_sta_active_iter(void *data, u8 *mac, 2386 struct ieee80211_vif *vif) 2387 { 2388 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 2389 bool *active = data; 2390 2391 if (*active) 2392 return; 2393 2394 if (vif->type != NL80211_IFTYPE_STATION) 2395 return; 2396 2397 if (vif->cfg.assoc || !is_zero_ether_addr(rtwvif->bssid)) 2398 *active = true; 2399 } 2400 2401 bool rtw_core_check_sta_active(struct rtw_dev *rtwdev) 2402 { 2403 bool sta_active = false; 2404 2405 rtw_iterate_vifs(rtwdev, rtw_check_sta_active_iter, &sta_active); 2406 2407 return rtwdev->ap_active || sta_active; 2408 } 2409 2410 void rtw_core_enable_beacon(struct rtw_dev *rtwdev, bool enable) 2411 { 2412 if (!rtwdev->ap_active) 2413 return; 2414 2415 if (enable) { 2416 rtw_write32_set(rtwdev, REG_BCN_CTRL, BIT_EN_BCN_FUNCTION); 2417 rtw_write32_clr(rtwdev, REG_TXPAUSE, BIT_HIGH_QUEUE); 2418 } else { 2419 rtw_write32_clr(rtwdev, REG_BCN_CTRL, BIT_EN_BCN_FUNCTION); 2420 rtw_write32_set(rtwdev, REG_TXPAUSE, BIT_HIGH_QUEUE); 2421 } 2422 } 2423 2424 MODULE_AUTHOR("Realtek Corporation"); 2425 MODULE_DESCRIPTION("Realtek 802.11ac wireless core module"); 2426 MODULE_LICENSE("Dual BSD/GPL"); 2427