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 !(hw->conf.flags & IEEE80211_CONF_IDLE)) { 80 ret = rtw_leave_ips(rtwdev); 81 if (ret) { 82 rtw_err(rtwdev, "failed to leave idle state\n"); 83 goto out; 84 } 85 } 86 87 if (changed & IEEE80211_CONF_CHANGE_PS) { 88 if (hw->conf.flags & IEEE80211_CONF_PS) { 89 rtwdev->ps_enabled = true; 90 } else { 91 rtwdev->ps_enabled = false; 92 rtw_leave_lps(rtwdev); 93 } 94 } 95 96 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) 97 rtw_set_channel(rtwdev); 98 99 if ((changed & IEEE80211_CONF_CHANGE_IDLE) && 100 (hw->conf.flags & IEEE80211_CONF_IDLE)) 101 rtw_enter_ips(rtwdev); 102 103 out: 104 mutex_unlock(&rtwdev->mutex); 105 return ret; 106 } 107 108 static const struct rtw_vif_port rtw_vif_port[] = { 109 [0] = { 110 .mac_addr = {.addr = 0x0610}, 111 .bssid = {.addr = 0x0618}, 112 .net_type = {.addr = 0x0100, .mask = 0x30000}, 113 .aid = {.addr = 0x06a8, .mask = 0x7ff}, 114 .bcn_ctrl = {.addr = 0x0550, .mask = 0xff}, 115 }, 116 [1] = { 117 .mac_addr = {.addr = 0x0700}, 118 .bssid = {.addr = 0x0708}, 119 .net_type = {.addr = 0x0100, .mask = 0xc0000}, 120 .aid = {.addr = 0x0710, .mask = 0x7ff}, 121 .bcn_ctrl = {.addr = 0x0551, .mask = 0xff}, 122 }, 123 [2] = { 124 .mac_addr = {.addr = 0x1620}, 125 .bssid = {.addr = 0x1628}, 126 .net_type = {.addr = 0x1100, .mask = 0x3}, 127 .aid = {.addr = 0x1600, .mask = 0x7ff}, 128 .bcn_ctrl = {.addr = 0x0578, .mask = 0xff}, 129 }, 130 [3] = { 131 .mac_addr = {.addr = 0x1630}, 132 .bssid = {.addr = 0x1638}, 133 .net_type = {.addr = 0x1100, .mask = 0xc}, 134 .aid = {.addr = 0x1604, .mask = 0x7ff}, 135 .bcn_ctrl = {.addr = 0x0579, .mask = 0xff}, 136 }, 137 [4] = { 138 .mac_addr = {.addr = 0x1640}, 139 .bssid = {.addr = 0x1648}, 140 .net_type = {.addr = 0x1100, .mask = 0x30}, 141 .aid = {.addr = 0x1608, .mask = 0x7ff}, 142 .bcn_ctrl = {.addr = 0x057a, .mask = 0xff}, 143 }, 144 }; 145 146 static int rtw_ops_add_interface(struct ieee80211_hw *hw, 147 struct ieee80211_vif *vif) 148 { 149 struct rtw_dev *rtwdev = hw->priv; 150 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 151 enum rtw_net_type net_type; 152 u32 config = 0; 153 u8 port = 0; 154 u8 bcn_ctrl = 0; 155 156 rtwvif->port = port; 157 rtwvif->stats.tx_unicast = 0; 158 rtwvif->stats.rx_unicast = 0; 159 rtwvif->stats.tx_cnt = 0; 160 rtwvif->stats.rx_cnt = 0; 161 memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee)); 162 rtwvif->conf = &rtw_vif_port[port]; 163 rtw_txq_init(rtwdev, vif->txq); 164 INIT_LIST_HEAD(&rtwvif->rsvd_page_list); 165 166 mutex_lock(&rtwdev->mutex); 167 168 rtw_leave_lps_deep(rtwdev); 169 170 switch (vif->type) { 171 case NL80211_IFTYPE_AP: 172 case NL80211_IFTYPE_MESH_POINT: 173 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 174 net_type = RTW_NET_AP_MODE; 175 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 176 break; 177 case NL80211_IFTYPE_ADHOC: 178 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 179 net_type = RTW_NET_AD_HOC; 180 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 181 break; 182 case NL80211_IFTYPE_STATION: 183 rtw_add_rsvd_page_sta(rtwdev, rtwvif); 184 net_type = RTW_NET_NO_LINK; 185 bcn_ctrl = BIT_EN_BCN_FUNCTION; 186 break; 187 default: 188 WARN_ON(1); 189 mutex_unlock(&rtwdev->mutex); 190 return -EINVAL; 191 } 192 193 ether_addr_copy(rtwvif->mac_addr, vif->addr); 194 config |= PORT_SET_MAC_ADDR; 195 rtwvif->net_type = net_type; 196 config |= PORT_SET_NET_TYPE; 197 rtwvif->bcn_ctrl = bcn_ctrl; 198 config |= PORT_SET_BCN_CTRL; 199 rtw_vif_port_config(rtwdev, rtwvif, config); 200 201 mutex_unlock(&rtwdev->mutex); 202 203 rtw_info(rtwdev, "start vif %pM on port %d\n", vif->addr, rtwvif->port); 204 return 0; 205 } 206 207 static void rtw_ops_remove_interface(struct ieee80211_hw *hw, 208 struct ieee80211_vif *vif) 209 { 210 struct rtw_dev *rtwdev = hw->priv; 211 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 212 u32 config = 0; 213 214 rtw_info(rtwdev, "stop vif %pM on port %d\n", vif->addr, rtwvif->port); 215 216 mutex_lock(&rtwdev->mutex); 217 218 rtw_leave_lps_deep(rtwdev); 219 220 rtw_txq_cleanup(rtwdev, vif->txq); 221 rtw_remove_rsvd_page(rtwdev, rtwvif); 222 223 eth_zero_addr(rtwvif->mac_addr); 224 config |= PORT_SET_MAC_ADDR; 225 rtwvif->net_type = RTW_NET_NO_LINK; 226 config |= PORT_SET_NET_TYPE; 227 rtwvif->bcn_ctrl = 0; 228 config |= PORT_SET_BCN_CTRL; 229 rtw_vif_port_config(rtwdev, rtwvif, config); 230 231 mutex_unlock(&rtwdev->mutex); 232 } 233 234 static void rtw_ops_configure_filter(struct ieee80211_hw *hw, 235 unsigned int changed_flags, 236 unsigned int *new_flags, 237 u64 multicast) 238 { 239 struct rtw_dev *rtwdev = hw->priv; 240 241 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | 242 FIF_BCN_PRBRESP_PROMISC; 243 244 mutex_lock(&rtwdev->mutex); 245 246 rtw_leave_lps_deep(rtwdev); 247 248 if (changed_flags & FIF_ALLMULTI) { 249 if (*new_flags & FIF_ALLMULTI) 250 rtwdev->hal.rcr |= BIT_AM | BIT_AB; 251 else 252 rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB); 253 } 254 if (changed_flags & FIF_FCSFAIL) { 255 if (*new_flags & FIF_FCSFAIL) 256 rtwdev->hal.rcr |= BIT_ACRC32; 257 else 258 rtwdev->hal.rcr &= ~(BIT_ACRC32); 259 } 260 if (changed_flags & FIF_OTHER_BSS) { 261 if (*new_flags & FIF_OTHER_BSS) 262 rtwdev->hal.rcr |= BIT_AAP; 263 else 264 rtwdev->hal.rcr &= ~(BIT_AAP); 265 } 266 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 267 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 268 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); 269 else 270 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 271 } 272 273 rtw_dbg(rtwdev, RTW_DBG_RX, 274 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", 275 changed_flags, *new_flags, rtwdev->hal.rcr); 276 277 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 278 279 mutex_unlock(&rtwdev->mutex); 280 } 281 282 /* Only have one group of EDCA parameters now */ 283 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { 284 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 285 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 286 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 287 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 288 }; 289 290 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, 291 struct rtw_vif *rtwvif, u8 aifsn) 292 { 293 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 294 u8 slot_time; 295 u8 sifs; 296 297 slot_time = vif->bss_conf.use_short_slot ? 9 : 20; 298 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; 299 300 return aifsn * slot_time + sifs; 301 } 302 303 static void __rtw_conf_tx(struct rtw_dev *rtwdev, 304 struct rtw_vif *rtwvif, u16 ac) 305 { 306 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; 307 u32 edca_param = ac_to_edca_param[ac]; 308 u8 ecw_max, ecw_min; 309 u8 aifs; 310 311 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ 312 ecw_max = ilog2(params->cw_max + 1); 313 ecw_min = ilog2(params->cw_min + 1); 314 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); 315 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); 316 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); 317 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); 318 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); 319 } 320 321 static void rtw_conf_tx(struct rtw_dev *rtwdev, 322 struct rtw_vif *rtwvif) 323 { 324 u16 ac; 325 326 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 327 __rtw_conf_tx(rtwdev, rtwvif, ac); 328 } 329 330 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, 331 struct ieee80211_vif *vif, 332 struct ieee80211_bss_conf *conf, 333 u32 changed) 334 { 335 struct rtw_dev *rtwdev = hw->priv; 336 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 337 u32 config = 0; 338 339 mutex_lock(&rtwdev->mutex); 340 341 rtw_leave_lps_deep(rtwdev); 342 343 if (changed & BSS_CHANGED_ASSOC) { 344 enum rtw_net_type net_type; 345 346 if (conf->assoc) { 347 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); 348 net_type = RTW_NET_MGD_LINKED; 349 350 rtwvif->aid = conf->aid; 351 rtw_fw_download_rsvd_page(rtwdev); 352 rtw_send_rsvd_page_h2c(rtwdev); 353 rtw_coex_media_status_notify(rtwdev, conf->assoc); 354 if (rtw_bf_support) 355 rtw_bf_assoc(rtwdev, vif, conf); 356 } else { 357 rtw_leave_lps(rtwdev); 358 net_type = RTW_NET_NO_LINK; 359 rtwvif->aid = 0; 360 rtw_bf_disassoc(rtwdev, vif, conf); 361 } 362 363 rtwvif->net_type = net_type; 364 config |= PORT_SET_NET_TYPE; 365 config |= PORT_SET_AID; 366 } 367 368 if (changed & BSS_CHANGED_BSSID) { 369 ether_addr_copy(rtwvif->bssid, conf->bssid); 370 config |= PORT_SET_BSSID; 371 } 372 373 if (changed & BSS_CHANGED_BEACON) 374 rtw_fw_download_rsvd_page(rtwdev); 375 376 if (changed & BSS_CHANGED_MU_GROUPS) 377 rtw_chip_set_gid_table(rtwdev, vif, conf); 378 379 if (changed & BSS_CHANGED_ERP_SLOT) 380 rtw_conf_tx(rtwdev, rtwvif); 381 382 rtw_vif_port_config(rtwdev, rtwvif, config); 383 384 mutex_unlock(&rtwdev->mutex); 385 } 386 387 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 388 struct ieee80211_vif *vif, u16 ac, 389 const struct ieee80211_tx_queue_params *params) 390 { 391 struct rtw_dev *rtwdev = hw->priv; 392 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 393 394 mutex_lock(&rtwdev->mutex); 395 396 rtw_leave_lps_deep(rtwdev); 397 398 rtwvif->tx_params[ac] = *params; 399 __rtw_conf_tx(rtwdev, rtwvif, ac); 400 401 mutex_unlock(&rtwdev->mutex); 402 403 return 0; 404 } 405 406 static u8 rtw_acquire_macid(struct rtw_dev *rtwdev) 407 { 408 unsigned long mac_id; 409 410 mac_id = find_first_zero_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 411 if (mac_id < RTW_MAX_MAC_ID_NUM) 412 set_bit(mac_id, rtwdev->mac_id_map); 413 414 return mac_id; 415 } 416 417 static void rtw_release_macid(struct rtw_dev *rtwdev, u8 mac_id) 418 { 419 clear_bit(mac_id, rtwdev->mac_id_map); 420 } 421 422 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 423 struct ieee80211_vif *vif, 424 struct ieee80211_sta *sta) 425 { 426 struct rtw_dev *rtwdev = hw->priv; 427 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 428 int i; 429 int ret = 0; 430 431 mutex_lock(&rtwdev->mutex); 432 433 si->mac_id = rtw_acquire_macid(rtwdev); 434 if (si->mac_id >= RTW_MAX_MAC_ID_NUM) { 435 ret = -ENOSPC; 436 goto out; 437 } 438 439 si->sta = sta; 440 si->vif = vif; 441 si->init_ra_lv = 1; 442 ewma_rssi_init(&si->avg_rssi); 443 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 444 rtw_txq_init(rtwdev, sta->txq[i]); 445 446 rtw_update_sta_info(rtwdev, si); 447 rtw_fw_media_status_report(rtwdev, si->mac_id, true); 448 449 rtwdev->sta_cnt++; 450 451 rtw_info(rtwdev, "sta %pM joined with macid %d\n", 452 sta->addr, si->mac_id); 453 454 out: 455 mutex_unlock(&rtwdev->mutex); 456 return ret; 457 } 458 459 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 460 struct ieee80211_vif *vif, 461 struct ieee80211_sta *sta) 462 { 463 struct rtw_dev *rtwdev = hw->priv; 464 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 465 int i; 466 467 mutex_lock(&rtwdev->mutex); 468 469 rtw_release_macid(rtwdev, si->mac_id); 470 rtw_fw_media_status_report(rtwdev, si->mac_id, false); 471 472 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 473 rtw_txq_cleanup(rtwdev, sta->txq[i]); 474 475 kfree(si->mask); 476 477 rtwdev->sta_cnt--; 478 479 rtw_info(rtwdev, "sta %pM with macid %d left\n", 480 sta->addr, si->mac_id); 481 482 mutex_unlock(&rtwdev->mutex); 483 return 0; 484 } 485 486 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 487 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 488 struct ieee80211_key_conf *key) 489 { 490 struct rtw_dev *rtwdev = hw->priv; 491 struct rtw_sec_desc *sec = &rtwdev->sec; 492 u8 hw_key_type; 493 u8 hw_key_idx; 494 int ret = 0; 495 496 switch (key->cipher) { 497 case WLAN_CIPHER_SUITE_WEP40: 498 hw_key_type = RTW_CAM_WEP40; 499 break; 500 case WLAN_CIPHER_SUITE_WEP104: 501 hw_key_type = RTW_CAM_WEP104; 502 break; 503 case WLAN_CIPHER_SUITE_TKIP: 504 hw_key_type = RTW_CAM_TKIP; 505 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 506 break; 507 case WLAN_CIPHER_SUITE_CCMP: 508 hw_key_type = RTW_CAM_AES; 509 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 510 break; 511 case WLAN_CIPHER_SUITE_AES_CMAC: 512 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 513 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 514 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 515 case WLAN_CIPHER_SUITE_CCMP_256: 516 case WLAN_CIPHER_SUITE_GCMP: 517 case WLAN_CIPHER_SUITE_GCMP_256: 518 /* suppress error messages */ 519 return -EOPNOTSUPP; 520 default: 521 return -ENOTSUPP; 522 } 523 524 mutex_lock(&rtwdev->mutex); 525 526 rtw_leave_lps_deep(rtwdev); 527 528 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 529 hw_key_idx = rtw_sec_get_free_cam(sec); 530 } else { 531 /* multiple interfaces? */ 532 hw_key_idx = key->keyidx; 533 } 534 535 if (hw_key_idx > sec->total_cam_num) { 536 ret = -ENOSPC; 537 goto out; 538 } 539 540 switch (cmd) { 541 case SET_KEY: 542 /* need sw generated IV */ 543 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 544 key->hw_key_idx = hw_key_idx; 545 rtw_sec_write_cam(rtwdev, sec, sta, key, 546 hw_key_type, hw_key_idx); 547 break; 548 case DISABLE_KEY: 549 rtw_mac_flush_all_queues(rtwdev, false); 550 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 551 break; 552 } 553 554 /* download new cam settings for PG to backup */ 555 if (rtw_fw_lps_deep_mode == LPS_DEEP_MODE_PG) 556 rtw_fw_download_rsvd_page(rtwdev); 557 558 out: 559 mutex_unlock(&rtwdev->mutex); 560 561 return ret; 562 } 563 564 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 565 struct ieee80211_vif *vif, 566 struct ieee80211_ampdu_params *params) 567 { 568 struct ieee80211_sta *sta = params->sta; 569 u16 tid = params->tid; 570 struct ieee80211_txq *txq = sta->txq[tid]; 571 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 572 573 switch (params->action) { 574 case IEEE80211_AMPDU_TX_START: 575 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 576 case IEEE80211_AMPDU_TX_STOP_CONT: 577 case IEEE80211_AMPDU_TX_STOP_FLUSH: 578 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 579 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 580 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 581 break; 582 case IEEE80211_AMPDU_TX_OPERATIONAL: 583 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 584 break; 585 case IEEE80211_AMPDU_RX_START: 586 case IEEE80211_AMPDU_RX_STOP: 587 break; 588 default: 589 WARN_ON(1); 590 return -ENOTSUPP; 591 } 592 593 return 0; 594 } 595 596 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, 597 struct sk_buff *head, 598 struct sk_buff *skb) 599 { 600 struct rtw_dev *rtwdev = hw->priv; 601 struct rtw_hal *hal = &rtwdev->hal; 602 603 /* we don't want to enable TX AMSDU on 2.4G */ 604 if (hal->current_band_type == RTW_BAND_2G) 605 return false; 606 607 return true; 608 } 609 610 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 611 struct ieee80211_vif *vif, 612 const u8 *mac_addr) 613 { 614 struct rtw_dev *rtwdev = hw->priv; 615 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 616 u32 config = 0; 617 618 mutex_lock(&rtwdev->mutex); 619 620 rtw_leave_lps(rtwdev); 621 622 ether_addr_copy(rtwvif->mac_addr, mac_addr); 623 config |= PORT_SET_MAC_ADDR; 624 rtw_vif_port_config(rtwdev, rtwvif, config); 625 626 rtw_coex_scan_notify(rtwdev, COEX_SCAN_START); 627 628 set_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags); 629 set_bit(RTW_FLAG_SCANNING, rtwdev->flags); 630 631 mutex_unlock(&rtwdev->mutex); 632 } 633 634 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 635 struct ieee80211_vif *vif) 636 { 637 struct rtw_dev *rtwdev = hw->priv; 638 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 639 u32 config = 0; 640 641 mutex_lock(&rtwdev->mutex); 642 643 clear_bit(RTW_FLAG_SCANNING, rtwdev->flags); 644 clear_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags); 645 646 ether_addr_copy(rtwvif->mac_addr, vif->addr); 647 config |= PORT_SET_MAC_ADDR; 648 rtw_vif_port_config(rtwdev, rtwvif, config); 649 650 rtw_coex_scan_notify(rtwdev, COEX_SCAN_FINISH); 651 652 mutex_unlock(&rtwdev->mutex); 653 } 654 655 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 656 struct ieee80211_vif *vif, 657 u16 duration) 658 { 659 struct rtw_dev *rtwdev = hw->priv; 660 661 mutex_lock(&rtwdev->mutex); 662 rtw_leave_lps_deep(rtwdev); 663 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 664 rtw_chip_prepare_tx(rtwdev); 665 mutex_unlock(&rtwdev->mutex); 666 } 667 668 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 669 { 670 struct rtw_dev *rtwdev = hw->priv; 671 672 mutex_lock(&rtwdev->mutex); 673 rtwdev->rts_threshold = value; 674 mutex_unlock(&rtwdev->mutex); 675 676 return 0; 677 } 678 679 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 680 struct ieee80211_vif *vif, 681 struct ieee80211_sta *sta, 682 struct station_info *sinfo) 683 { 684 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 685 686 sinfo->txrate = si->ra_report.txrate; 687 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 688 } 689 690 static void rtw_ops_flush(struct ieee80211_hw *hw, 691 struct ieee80211_vif *vif, 692 u32 queues, bool drop) 693 { 694 struct rtw_dev *rtwdev = hw->priv; 695 696 mutex_lock(&rtwdev->mutex); 697 rtw_leave_lps_deep(rtwdev); 698 699 rtw_mac_flush_queues(rtwdev, queues, drop); 700 mutex_unlock(&rtwdev->mutex); 701 } 702 703 struct rtw_iter_bitrate_mask_data { 704 struct rtw_dev *rtwdev; 705 struct ieee80211_vif *vif; 706 const struct cfg80211_bitrate_mask *mask; 707 }; 708 709 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 710 { 711 struct rtw_iter_bitrate_mask_data *br_data = data; 712 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 713 714 if (si->vif != br_data->vif) 715 return; 716 717 /* free previous mask setting */ 718 kfree(si->mask); 719 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 720 GFP_ATOMIC); 721 if (!si->mask) { 722 si->use_cfg_mask = false; 723 return; 724 } 725 726 si->use_cfg_mask = true; 727 rtw_update_sta_info(br_data->rtwdev, si); 728 } 729 730 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 731 struct ieee80211_vif *vif, 732 const struct cfg80211_bitrate_mask *mask) 733 { 734 struct rtw_iter_bitrate_mask_data br_data; 735 736 br_data.rtwdev = rtwdev; 737 br_data.vif = vif; 738 br_data.mask = mask; 739 rtw_iterate_stas_atomic(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 740 } 741 742 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 743 struct ieee80211_vif *vif, 744 const struct cfg80211_bitrate_mask *mask) 745 { 746 struct rtw_dev *rtwdev = hw->priv; 747 748 rtw_ra_mask_info_update(rtwdev, vif, mask); 749 750 return 0; 751 } 752 753 static int rtw_ops_set_antenna(struct ieee80211_hw *hw, 754 u32 tx_antenna, 755 u32 rx_antenna) 756 { 757 struct rtw_dev *rtwdev = hw->priv; 758 struct rtw_chip_info *chip = rtwdev->chip; 759 int ret; 760 761 if (!chip->ops->set_antenna) 762 return -EOPNOTSUPP; 763 764 mutex_lock(&rtwdev->mutex); 765 ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna); 766 mutex_unlock(&rtwdev->mutex); 767 768 return ret; 769 } 770 771 static int rtw_ops_get_antenna(struct ieee80211_hw *hw, 772 u32 *tx_antenna, 773 u32 *rx_antenna) 774 { 775 struct rtw_dev *rtwdev = hw->priv; 776 struct rtw_hal *hal = &rtwdev->hal; 777 778 *tx_antenna = hal->antenna_tx; 779 *rx_antenna = hal->antenna_rx; 780 781 return 0; 782 } 783 784 #ifdef CONFIG_PM 785 static int rtw_ops_suspend(struct ieee80211_hw *hw, 786 struct cfg80211_wowlan *wowlan) 787 { 788 struct rtw_dev *rtwdev = hw->priv; 789 int ret; 790 791 mutex_lock(&rtwdev->mutex); 792 ret = rtw_wow_suspend(rtwdev, wowlan); 793 if (ret) 794 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 795 mutex_unlock(&rtwdev->mutex); 796 797 return ret ? 1 : 0; 798 } 799 800 static int rtw_ops_resume(struct ieee80211_hw *hw) 801 { 802 struct rtw_dev *rtwdev = hw->priv; 803 int ret; 804 805 mutex_lock(&rtwdev->mutex); 806 ret = rtw_wow_resume(rtwdev); 807 if (ret) 808 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 809 mutex_unlock(&rtwdev->mutex); 810 811 return ret ? 1 : 0; 812 } 813 814 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 815 { 816 struct rtw_dev *rtwdev = hw->priv; 817 818 device_set_wakeup_enable(rtwdev->dev, enabled); 819 } 820 #endif 821 822 const struct ieee80211_ops rtw_ops = { 823 .tx = rtw_ops_tx, 824 .wake_tx_queue = rtw_ops_wake_tx_queue, 825 .start = rtw_ops_start, 826 .stop = rtw_ops_stop, 827 .config = rtw_ops_config, 828 .add_interface = rtw_ops_add_interface, 829 .remove_interface = rtw_ops_remove_interface, 830 .configure_filter = rtw_ops_configure_filter, 831 .bss_info_changed = rtw_ops_bss_info_changed, 832 .conf_tx = rtw_ops_conf_tx, 833 .sta_add = rtw_ops_sta_add, 834 .sta_remove = rtw_ops_sta_remove, 835 .set_key = rtw_ops_set_key, 836 .ampdu_action = rtw_ops_ampdu_action, 837 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, 838 .sw_scan_start = rtw_ops_sw_scan_start, 839 .sw_scan_complete = rtw_ops_sw_scan_complete, 840 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 841 .set_rts_threshold = rtw_ops_set_rts_threshold, 842 .sta_statistics = rtw_ops_sta_statistics, 843 .flush = rtw_ops_flush, 844 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 845 .set_antenna = rtw_ops_set_antenna, 846 .get_antenna = rtw_ops_get_antenna, 847 #ifdef CONFIG_PM 848 .suspend = rtw_ops_suspend, 849 .resume = rtw_ops_resume, 850 .set_wakeup = rtw_ops_set_wakeup, 851 #endif 852 }; 853 EXPORT_SYMBOL(rtw_ops); 854