1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* Copyright(c) 2018-2019 Realtek Corporation 3 */ 4 5 #include "main.h" 6 #include "sec.h" 7 #include "tx.h" 8 #include "fw.h" 9 #include "mac.h" 10 #include "coex.h" 11 #include "ps.h" 12 #include "reg.h" 13 #include "bf.h" 14 #include "debug.h" 15 #include "wow.h" 16 17 static void rtw_ops_tx(struct ieee80211_hw *hw, 18 struct ieee80211_tx_control *control, 19 struct sk_buff *skb) 20 { 21 struct rtw_dev *rtwdev = hw->priv; 22 23 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) { 24 ieee80211_free_txskb(hw, skb); 25 return; 26 } 27 28 rtw_tx(rtwdev, control, skb); 29 } 30 31 static void rtw_ops_wake_tx_queue(struct ieee80211_hw *hw, 32 struct ieee80211_txq *txq) 33 { 34 struct rtw_dev *rtwdev = hw->priv; 35 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 36 37 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 38 return; 39 40 spin_lock_bh(&rtwdev->txq_lock); 41 if (list_empty(&rtwtxq->list)) 42 list_add_tail(&rtwtxq->list, &rtwdev->txqs); 43 spin_unlock_bh(&rtwdev->txq_lock); 44 45 tasklet_schedule(&rtwdev->tx_tasklet); 46 } 47 48 static int rtw_ops_start(struct ieee80211_hw *hw) 49 { 50 struct rtw_dev *rtwdev = hw->priv; 51 int ret; 52 53 mutex_lock(&rtwdev->mutex); 54 ret = rtw_core_start(rtwdev); 55 mutex_unlock(&rtwdev->mutex); 56 57 return ret; 58 } 59 60 static void rtw_ops_stop(struct ieee80211_hw *hw) 61 { 62 struct rtw_dev *rtwdev = hw->priv; 63 64 mutex_lock(&rtwdev->mutex); 65 rtw_core_stop(rtwdev); 66 mutex_unlock(&rtwdev->mutex); 67 } 68 69 static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed) 70 { 71 struct rtw_dev *rtwdev = hw->priv; 72 int ret = 0; 73 74 mutex_lock(&rtwdev->mutex); 75 76 rtw_leave_lps_deep(rtwdev); 77 78 if (changed & IEEE80211_CONF_CHANGE_IDLE) { 79 if (hw->conf.flags & IEEE80211_CONF_IDLE) { 80 rtw_enter_ips(rtwdev); 81 } else { 82 ret = rtw_leave_ips(rtwdev); 83 if (ret) { 84 rtw_err(rtwdev, "failed to leave idle state\n"); 85 goto out; 86 } 87 } 88 } 89 90 if (changed & IEEE80211_CONF_CHANGE_PS) { 91 if (hw->conf.flags & IEEE80211_CONF_PS) { 92 rtwdev->ps_enabled = true; 93 } else { 94 rtwdev->ps_enabled = false; 95 rtw_leave_lps(rtwdev); 96 } 97 } 98 99 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) 100 rtw_set_channel(rtwdev); 101 102 out: 103 mutex_unlock(&rtwdev->mutex); 104 return ret; 105 } 106 107 static const struct rtw_vif_port rtw_vif_port[] = { 108 [0] = { 109 .mac_addr = {.addr = 0x0610}, 110 .bssid = {.addr = 0x0618}, 111 .net_type = {.addr = 0x0100, .mask = 0x30000}, 112 .aid = {.addr = 0x06a8, .mask = 0x7ff}, 113 .bcn_ctrl = {.addr = 0x0550, .mask = 0xff}, 114 }, 115 [1] = { 116 .mac_addr = {.addr = 0x0700}, 117 .bssid = {.addr = 0x0708}, 118 .net_type = {.addr = 0x0100, .mask = 0xc0000}, 119 .aid = {.addr = 0x0710, .mask = 0x7ff}, 120 .bcn_ctrl = {.addr = 0x0551, .mask = 0xff}, 121 }, 122 [2] = { 123 .mac_addr = {.addr = 0x1620}, 124 .bssid = {.addr = 0x1628}, 125 .net_type = {.addr = 0x1100, .mask = 0x3}, 126 .aid = {.addr = 0x1600, .mask = 0x7ff}, 127 .bcn_ctrl = {.addr = 0x0578, .mask = 0xff}, 128 }, 129 [3] = { 130 .mac_addr = {.addr = 0x1630}, 131 .bssid = {.addr = 0x1638}, 132 .net_type = {.addr = 0x1100, .mask = 0xc}, 133 .aid = {.addr = 0x1604, .mask = 0x7ff}, 134 .bcn_ctrl = {.addr = 0x0579, .mask = 0xff}, 135 }, 136 [4] = { 137 .mac_addr = {.addr = 0x1640}, 138 .bssid = {.addr = 0x1648}, 139 .net_type = {.addr = 0x1100, .mask = 0x30}, 140 .aid = {.addr = 0x1608, .mask = 0x7ff}, 141 .bcn_ctrl = {.addr = 0x057a, .mask = 0xff}, 142 }, 143 }; 144 145 static int rtw_ops_add_interface(struct ieee80211_hw *hw, 146 struct ieee80211_vif *vif) 147 { 148 struct rtw_dev *rtwdev = hw->priv; 149 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 150 enum rtw_net_type net_type; 151 u32 config = 0; 152 u8 port = 0; 153 u8 bcn_ctrl = 0; 154 155 rtwvif->port = port; 156 rtwvif->stats.tx_unicast = 0; 157 rtwvif->stats.rx_unicast = 0; 158 rtwvif->stats.tx_cnt = 0; 159 rtwvif->stats.rx_cnt = 0; 160 memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee)); 161 rtwvif->conf = &rtw_vif_port[port]; 162 rtw_txq_init(rtwdev, vif->txq); 163 164 mutex_lock(&rtwdev->mutex); 165 166 rtw_leave_lps_deep(rtwdev); 167 168 switch (vif->type) { 169 case NL80211_IFTYPE_AP: 170 case NL80211_IFTYPE_MESH_POINT: 171 net_type = RTW_NET_AP_MODE; 172 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 173 break; 174 case NL80211_IFTYPE_ADHOC: 175 net_type = RTW_NET_AD_HOC; 176 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 177 break; 178 case NL80211_IFTYPE_STATION: 179 default: 180 net_type = RTW_NET_NO_LINK; 181 bcn_ctrl = BIT_EN_BCN_FUNCTION; 182 break; 183 } 184 185 ether_addr_copy(rtwvif->mac_addr, vif->addr); 186 config |= PORT_SET_MAC_ADDR; 187 rtwvif->net_type = net_type; 188 config |= PORT_SET_NET_TYPE; 189 rtwvif->bcn_ctrl = bcn_ctrl; 190 config |= PORT_SET_BCN_CTRL; 191 rtw_vif_port_config(rtwdev, rtwvif, config); 192 193 mutex_unlock(&rtwdev->mutex); 194 195 rtw_info(rtwdev, "start vif %pM on port %d\n", vif->addr, rtwvif->port); 196 return 0; 197 } 198 199 static void rtw_ops_remove_interface(struct ieee80211_hw *hw, 200 struct ieee80211_vif *vif) 201 { 202 struct rtw_dev *rtwdev = hw->priv; 203 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 204 u32 config = 0; 205 206 rtw_info(rtwdev, "stop vif %pM on port %d\n", vif->addr, rtwvif->port); 207 208 mutex_lock(&rtwdev->mutex); 209 210 rtw_leave_lps_deep(rtwdev); 211 212 rtw_txq_cleanup(rtwdev, vif->txq); 213 214 eth_zero_addr(rtwvif->mac_addr); 215 config |= PORT_SET_MAC_ADDR; 216 rtwvif->net_type = RTW_NET_NO_LINK; 217 config |= PORT_SET_NET_TYPE; 218 rtwvif->bcn_ctrl = 0; 219 config |= PORT_SET_BCN_CTRL; 220 rtw_vif_port_config(rtwdev, rtwvif, config); 221 222 mutex_unlock(&rtwdev->mutex); 223 } 224 225 static void rtw_ops_configure_filter(struct ieee80211_hw *hw, 226 unsigned int changed_flags, 227 unsigned int *new_flags, 228 u64 multicast) 229 { 230 struct rtw_dev *rtwdev = hw->priv; 231 232 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | 233 FIF_BCN_PRBRESP_PROMISC; 234 235 mutex_lock(&rtwdev->mutex); 236 237 rtw_leave_lps_deep(rtwdev); 238 239 if (changed_flags & FIF_ALLMULTI) { 240 if (*new_flags & FIF_ALLMULTI) 241 rtwdev->hal.rcr |= BIT_AM | BIT_AB; 242 else 243 rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB); 244 } 245 if (changed_flags & FIF_FCSFAIL) { 246 if (*new_flags & FIF_FCSFAIL) 247 rtwdev->hal.rcr |= BIT_ACRC32; 248 else 249 rtwdev->hal.rcr &= ~(BIT_ACRC32); 250 } 251 if (changed_flags & FIF_OTHER_BSS) { 252 if (*new_flags & FIF_OTHER_BSS) 253 rtwdev->hal.rcr |= BIT_AAP; 254 else 255 rtwdev->hal.rcr &= ~(BIT_AAP); 256 } 257 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 258 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 259 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); 260 else 261 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 262 } 263 264 rtw_dbg(rtwdev, RTW_DBG_RX, 265 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", 266 changed_flags, *new_flags, rtwdev->hal.rcr); 267 268 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 269 270 mutex_unlock(&rtwdev->mutex); 271 } 272 273 /* Only have one group of EDCA parameters now */ 274 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { 275 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 276 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 277 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 278 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 279 }; 280 281 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, 282 struct rtw_vif *rtwvif, u8 aifsn) 283 { 284 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 285 u8 slot_time; 286 u8 sifs; 287 288 slot_time = vif->bss_conf.use_short_slot ? 9 : 20; 289 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; 290 291 return aifsn * slot_time + sifs; 292 } 293 294 static void __rtw_conf_tx(struct rtw_dev *rtwdev, 295 struct rtw_vif *rtwvif, u16 ac) 296 { 297 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; 298 u32 edca_param = ac_to_edca_param[ac]; 299 u8 ecw_max, ecw_min; 300 u8 aifs; 301 302 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ 303 ecw_max = ilog2(params->cw_max + 1); 304 ecw_min = ilog2(params->cw_min + 1); 305 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); 306 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); 307 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); 308 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); 309 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); 310 } 311 312 static void rtw_conf_tx(struct rtw_dev *rtwdev, 313 struct rtw_vif *rtwvif) 314 { 315 u16 ac; 316 317 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 318 __rtw_conf_tx(rtwdev, rtwvif, ac); 319 } 320 321 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, 322 struct ieee80211_vif *vif, 323 struct ieee80211_bss_conf *conf, 324 u32 changed) 325 { 326 struct rtw_dev *rtwdev = hw->priv; 327 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 328 u32 config = 0; 329 330 mutex_lock(&rtwdev->mutex); 331 332 rtw_leave_lps_deep(rtwdev); 333 334 if (changed & BSS_CHANGED_ASSOC) { 335 struct rtw_chip_info *chip = rtwdev->chip; 336 enum rtw_net_type net_type; 337 338 if (conf->assoc) { 339 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); 340 net_type = RTW_NET_MGD_LINKED; 341 chip->ops->phy_calibration(rtwdev); 342 343 rtwvif->aid = conf->aid; 344 rtw_add_rsvd_page(rtwdev, RSVD_PS_POLL, true); 345 rtw_add_rsvd_page(rtwdev, RSVD_QOS_NULL, true); 346 rtw_add_rsvd_page(rtwdev, RSVD_NULL, true); 347 rtw_add_rsvd_page(rtwdev, RSVD_LPS_PG_DPK, true); 348 rtw_add_rsvd_page(rtwdev, RSVD_LPS_PG_INFO, true); 349 rtw_fw_download_rsvd_page(rtwdev, vif); 350 rtw_send_rsvd_page_h2c(rtwdev); 351 rtw_coex_media_status_notify(rtwdev, conf->assoc); 352 if (rtw_bf_support) 353 rtw_bf_assoc(rtwdev, vif, conf); 354 } else { 355 rtw_leave_lps(rtwdev); 356 net_type = RTW_NET_NO_LINK; 357 rtwvif->aid = 0; 358 rtw_reset_rsvd_page(rtwdev); 359 rtw_bf_disassoc(rtwdev, vif, conf); 360 } 361 362 rtwvif->net_type = net_type; 363 config |= PORT_SET_NET_TYPE; 364 config |= PORT_SET_AID; 365 } 366 367 if (changed & BSS_CHANGED_BSSID) { 368 ether_addr_copy(rtwvif->bssid, conf->bssid); 369 config |= PORT_SET_BSSID; 370 } 371 372 if (changed & BSS_CHANGED_BEACON) 373 rtw_fw_download_rsvd_page(rtwdev, vif); 374 375 if (changed & BSS_CHANGED_MU_GROUPS) { 376 struct rtw_chip_info *chip = rtwdev->chip; 377 378 chip->ops->set_gid_table(rtwdev, vif, conf); 379 } 380 381 if (changed & BSS_CHANGED_ERP_SLOT) 382 rtw_conf_tx(rtwdev, rtwvif); 383 384 rtw_vif_port_config(rtwdev, rtwvif, config); 385 386 mutex_unlock(&rtwdev->mutex); 387 } 388 389 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 390 struct ieee80211_vif *vif, u16 ac, 391 const struct ieee80211_tx_queue_params *params) 392 { 393 struct rtw_dev *rtwdev = hw->priv; 394 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 395 396 mutex_lock(&rtwdev->mutex); 397 398 rtw_leave_lps_deep(rtwdev); 399 400 rtwvif->tx_params[ac] = *params; 401 __rtw_conf_tx(rtwdev, rtwvif, ac); 402 403 mutex_unlock(&rtwdev->mutex); 404 405 return 0; 406 } 407 408 static u8 rtw_acquire_macid(struct rtw_dev *rtwdev) 409 { 410 unsigned long mac_id; 411 412 mac_id = find_first_zero_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 413 if (mac_id < RTW_MAX_MAC_ID_NUM) 414 set_bit(mac_id, rtwdev->mac_id_map); 415 416 return mac_id; 417 } 418 419 static void rtw_release_macid(struct rtw_dev *rtwdev, u8 mac_id) 420 { 421 clear_bit(mac_id, rtwdev->mac_id_map); 422 } 423 424 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 425 struct ieee80211_vif *vif, 426 struct ieee80211_sta *sta) 427 { 428 struct rtw_dev *rtwdev = hw->priv; 429 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 430 int i; 431 int ret = 0; 432 433 mutex_lock(&rtwdev->mutex); 434 435 si->mac_id = rtw_acquire_macid(rtwdev); 436 if (si->mac_id >= RTW_MAX_MAC_ID_NUM) { 437 ret = -ENOSPC; 438 goto out; 439 } 440 441 si->sta = sta; 442 si->vif = vif; 443 si->init_ra_lv = 1; 444 ewma_rssi_init(&si->avg_rssi); 445 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 446 rtw_txq_init(rtwdev, sta->txq[i]); 447 448 rtw_update_sta_info(rtwdev, si); 449 rtw_fw_media_status_report(rtwdev, si->mac_id, true); 450 451 rtwdev->sta_cnt++; 452 453 rtw_info(rtwdev, "sta %pM joined with macid %d\n", 454 sta->addr, si->mac_id); 455 456 out: 457 mutex_unlock(&rtwdev->mutex); 458 return ret; 459 } 460 461 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 462 struct ieee80211_vif *vif, 463 struct ieee80211_sta *sta) 464 { 465 struct rtw_dev *rtwdev = hw->priv; 466 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 467 int i; 468 469 mutex_lock(&rtwdev->mutex); 470 471 rtw_release_macid(rtwdev, si->mac_id); 472 rtw_fw_media_status_report(rtwdev, si->mac_id, false); 473 474 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 475 rtw_txq_cleanup(rtwdev, sta->txq[i]); 476 477 kfree(si->mask); 478 479 rtwdev->sta_cnt--; 480 481 rtw_info(rtwdev, "sta %pM with macid %d left\n", 482 sta->addr, si->mac_id); 483 484 mutex_unlock(&rtwdev->mutex); 485 return 0; 486 } 487 488 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 489 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 490 struct ieee80211_key_conf *key) 491 { 492 struct rtw_dev *rtwdev = hw->priv; 493 struct rtw_sec_desc *sec = &rtwdev->sec; 494 u8 hw_key_type; 495 u8 hw_key_idx; 496 int ret = 0; 497 498 switch (key->cipher) { 499 case WLAN_CIPHER_SUITE_WEP40: 500 hw_key_type = RTW_CAM_WEP40; 501 break; 502 case WLAN_CIPHER_SUITE_WEP104: 503 hw_key_type = RTW_CAM_WEP104; 504 break; 505 case WLAN_CIPHER_SUITE_TKIP: 506 hw_key_type = RTW_CAM_TKIP; 507 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 508 break; 509 case WLAN_CIPHER_SUITE_CCMP: 510 hw_key_type = RTW_CAM_AES; 511 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 512 break; 513 case WLAN_CIPHER_SUITE_AES_CMAC: 514 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 515 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 516 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 517 /* suppress error messages */ 518 return -EOPNOTSUPP; 519 default: 520 return -ENOTSUPP; 521 } 522 523 mutex_lock(&rtwdev->mutex); 524 525 rtw_leave_lps_deep(rtwdev); 526 527 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 528 hw_key_idx = rtw_sec_get_free_cam(sec); 529 } else { 530 /* multiple interfaces? */ 531 hw_key_idx = key->keyidx; 532 } 533 534 if (hw_key_idx > sec->total_cam_num) { 535 ret = -ENOSPC; 536 goto out; 537 } 538 539 switch (cmd) { 540 case SET_KEY: 541 /* need sw generated IV */ 542 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 543 key->hw_key_idx = hw_key_idx; 544 rtw_sec_write_cam(rtwdev, sec, sta, key, 545 hw_key_type, hw_key_idx); 546 break; 547 case DISABLE_KEY: 548 rtw_mac_flush_all_queues(rtwdev, false); 549 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 550 break; 551 } 552 553 /* download new cam settings for PG to backup */ 554 if (rtw_fw_lps_deep_mode == LPS_DEEP_MODE_PG) 555 rtw_fw_download_rsvd_page(rtwdev, vif); 556 557 out: 558 mutex_unlock(&rtwdev->mutex); 559 560 return ret; 561 } 562 563 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 564 struct ieee80211_vif *vif, 565 struct ieee80211_ampdu_params *params) 566 { 567 struct ieee80211_sta *sta = params->sta; 568 u16 tid = params->tid; 569 struct ieee80211_txq *txq = sta->txq[tid]; 570 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 571 572 switch (params->action) { 573 case IEEE80211_AMPDU_TX_START: 574 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 575 case IEEE80211_AMPDU_TX_STOP_CONT: 576 case IEEE80211_AMPDU_TX_STOP_FLUSH: 577 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 578 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 579 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 580 break; 581 case IEEE80211_AMPDU_TX_OPERATIONAL: 582 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 583 break; 584 case IEEE80211_AMPDU_RX_START: 585 case IEEE80211_AMPDU_RX_STOP: 586 break; 587 default: 588 WARN_ON(1); 589 return -ENOTSUPP; 590 } 591 592 return 0; 593 } 594 595 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 596 struct ieee80211_vif *vif, 597 const u8 *mac_addr) 598 { 599 struct rtw_dev *rtwdev = hw->priv; 600 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 601 u32 config = 0; 602 603 mutex_lock(&rtwdev->mutex); 604 605 rtw_leave_lps(rtwdev); 606 607 ether_addr_copy(rtwvif->mac_addr, mac_addr); 608 config |= PORT_SET_MAC_ADDR; 609 rtw_vif_port_config(rtwdev, rtwvif, config); 610 611 rtw_coex_scan_notify(rtwdev, COEX_SCAN_START); 612 613 set_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags); 614 set_bit(RTW_FLAG_SCANNING, rtwdev->flags); 615 616 mutex_unlock(&rtwdev->mutex); 617 } 618 619 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 620 struct ieee80211_vif *vif) 621 { 622 struct rtw_dev *rtwdev = hw->priv; 623 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 624 u32 config = 0; 625 626 mutex_lock(&rtwdev->mutex); 627 628 clear_bit(RTW_FLAG_SCANNING, rtwdev->flags); 629 clear_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags); 630 631 ether_addr_copy(rtwvif->mac_addr, vif->addr); 632 config |= PORT_SET_MAC_ADDR; 633 rtw_vif_port_config(rtwdev, rtwvif, config); 634 635 rtw_coex_scan_notify(rtwdev, COEX_SCAN_FINISH); 636 637 mutex_unlock(&rtwdev->mutex); 638 } 639 640 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 641 struct ieee80211_vif *vif, 642 u16 duration) 643 { 644 struct rtw_dev *rtwdev = hw->priv; 645 646 mutex_lock(&rtwdev->mutex); 647 rtw_leave_lps_deep(rtwdev); 648 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 649 mutex_unlock(&rtwdev->mutex); 650 } 651 652 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 653 { 654 struct rtw_dev *rtwdev = hw->priv; 655 656 mutex_lock(&rtwdev->mutex); 657 rtwdev->rts_threshold = value; 658 mutex_unlock(&rtwdev->mutex); 659 660 return 0; 661 } 662 663 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 664 struct ieee80211_vif *vif, 665 struct ieee80211_sta *sta, 666 struct station_info *sinfo) 667 { 668 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 669 670 sinfo->txrate = si->ra_report.txrate; 671 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 672 } 673 674 static void rtw_ops_flush(struct ieee80211_hw *hw, 675 struct ieee80211_vif *vif, 676 u32 queues, bool drop) 677 { 678 struct rtw_dev *rtwdev = hw->priv; 679 680 mutex_lock(&rtwdev->mutex); 681 rtw_leave_lps_deep(rtwdev); 682 683 rtw_mac_flush_queues(rtwdev, queues, drop); 684 mutex_unlock(&rtwdev->mutex); 685 } 686 687 struct rtw_iter_bitrate_mask_data { 688 struct rtw_dev *rtwdev; 689 struct ieee80211_vif *vif; 690 const struct cfg80211_bitrate_mask *mask; 691 }; 692 693 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 694 { 695 struct rtw_iter_bitrate_mask_data *br_data = data; 696 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 697 698 if (si->vif != br_data->vif) 699 return; 700 701 /* free previous mask setting */ 702 kfree(si->mask); 703 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 704 GFP_ATOMIC); 705 if (!si->mask) { 706 si->use_cfg_mask = false; 707 return; 708 } 709 710 si->use_cfg_mask = true; 711 rtw_update_sta_info(br_data->rtwdev, si); 712 } 713 714 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 715 struct ieee80211_vif *vif, 716 const struct cfg80211_bitrate_mask *mask) 717 { 718 struct rtw_iter_bitrate_mask_data br_data; 719 720 br_data.rtwdev = rtwdev; 721 br_data.vif = vif; 722 br_data.mask = mask; 723 rtw_iterate_stas_atomic(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 724 } 725 726 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 727 struct ieee80211_vif *vif, 728 const struct cfg80211_bitrate_mask *mask) 729 { 730 struct rtw_dev *rtwdev = hw->priv; 731 732 rtw_ra_mask_info_update(rtwdev, vif, mask); 733 734 return 0; 735 } 736 737 #ifdef CONFIG_PM 738 static int rtw_ops_suspend(struct ieee80211_hw *hw, 739 struct cfg80211_wowlan *wowlan) 740 { 741 struct rtw_dev *rtwdev = hw->priv; 742 int ret; 743 744 mutex_lock(&rtwdev->mutex); 745 ret = rtw_wow_suspend(rtwdev, wowlan); 746 if (ret) 747 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 748 mutex_unlock(&rtwdev->mutex); 749 750 return ret ? 1 : 0; 751 } 752 753 static int rtw_ops_resume(struct ieee80211_hw *hw) 754 { 755 struct rtw_dev *rtwdev = hw->priv; 756 int ret; 757 758 mutex_lock(&rtwdev->mutex); 759 ret = rtw_wow_resume(rtwdev); 760 if (ret) 761 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 762 mutex_unlock(&rtwdev->mutex); 763 764 return ret ? 1 : 0; 765 } 766 767 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 768 { 769 struct rtw_dev *rtwdev = hw->priv; 770 771 device_set_wakeup_enable(rtwdev->dev, enabled); 772 } 773 #endif 774 775 const struct ieee80211_ops rtw_ops = { 776 .tx = rtw_ops_tx, 777 .wake_tx_queue = rtw_ops_wake_tx_queue, 778 .start = rtw_ops_start, 779 .stop = rtw_ops_stop, 780 .config = rtw_ops_config, 781 .add_interface = rtw_ops_add_interface, 782 .remove_interface = rtw_ops_remove_interface, 783 .configure_filter = rtw_ops_configure_filter, 784 .bss_info_changed = rtw_ops_bss_info_changed, 785 .conf_tx = rtw_ops_conf_tx, 786 .sta_add = rtw_ops_sta_add, 787 .sta_remove = rtw_ops_sta_remove, 788 .set_key = rtw_ops_set_key, 789 .ampdu_action = rtw_ops_ampdu_action, 790 .sw_scan_start = rtw_ops_sw_scan_start, 791 .sw_scan_complete = rtw_ops_sw_scan_complete, 792 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 793 .set_rts_threshold = rtw_ops_set_rts_threshold, 794 .sta_statistics = rtw_ops_sta_statistics, 795 .flush = rtw_ops_flush, 796 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 797 #ifdef CONFIG_PM 798 .suspend = rtw_ops_suspend, 799 .resume = rtw_ops_resume, 800 .set_wakeup = rtw_ops_set_wakeup, 801 #endif 802 }; 803 EXPORT_SYMBOL(rtw_ops); 804