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 #include "sar.h" 17 18 static void rtw_ops_tx(struct ieee80211_hw *hw, 19 struct ieee80211_tx_control *control, 20 struct sk_buff *skb) 21 { 22 struct rtw_dev *rtwdev = hw->priv; 23 24 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) { 25 ieee80211_free_txskb(hw, skb); 26 return; 27 } 28 29 rtw_tx(rtwdev, control, skb); 30 } 31 32 static void rtw_ops_wake_tx_queue(struct ieee80211_hw *hw, 33 struct ieee80211_txq *txq) 34 { 35 struct rtw_dev *rtwdev = hw->priv; 36 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 37 38 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 39 return; 40 41 spin_lock_bh(&rtwdev->txq_lock); 42 if (list_empty(&rtwtxq->list)) 43 list_add_tail(&rtwtxq->list, &rtwdev->txqs); 44 spin_unlock_bh(&rtwdev->txq_lock); 45 46 queue_work(rtwdev->tx_wq, &rtwdev->tx_work); 47 } 48 49 static int rtw_ops_start(struct ieee80211_hw *hw) 50 { 51 struct rtw_dev *rtwdev = hw->priv; 52 int ret; 53 54 mutex_lock(&rtwdev->mutex); 55 ret = rtw_core_start(rtwdev); 56 mutex_unlock(&rtwdev->mutex); 57 58 return ret; 59 } 60 61 static void rtw_ops_stop(struct ieee80211_hw *hw) 62 { 63 struct rtw_dev *rtwdev = hw->priv; 64 65 mutex_lock(&rtwdev->mutex); 66 rtw_core_stop(rtwdev); 67 mutex_unlock(&rtwdev->mutex); 68 } 69 70 static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed) 71 { 72 struct rtw_dev *rtwdev = hw->priv; 73 int ret = 0; 74 75 mutex_lock(&rtwdev->mutex); 76 77 rtw_leave_lps_deep(rtwdev); 78 79 if ((changed & IEEE80211_CONF_CHANGE_IDLE) && 80 !(hw->conf.flags & IEEE80211_CONF_IDLE)) { 81 ret = rtw_leave_ips(rtwdev); 82 if (ret) { 83 rtw_err(rtwdev, "failed to leave idle state\n"); 84 goto out; 85 } 86 } 87 88 if (changed & IEEE80211_CONF_CHANGE_PS) { 89 if (hw->conf.flags & IEEE80211_CONF_PS) { 90 rtwdev->ps_enabled = true; 91 } else { 92 rtwdev->ps_enabled = false; 93 rtw_leave_lps(rtwdev); 94 } 95 } 96 97 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) 98 rtw_set_channel(rtwdev); 99 100 if ((changed & IEEE80211_CONF_CHANGE_IDLE) && 101 (hw->conf.flags & IEEE80211_CONF_IDLE)) 102 rtw_enter_ips(rtwdev); 103 104 out: 105 mutex_unlock(&rtwdev->mutex); 106 return ret; 107 } 108 109 static const struct rtw_vif_port rtw_vif_port[] = { 110 [0] = { 111 .mac_addr = {.addr = 0x0610}, 112 .bssid = {.addr = 0x0618}, 113 .net_type = {.addr = 0x0100, .mask = 0x30000}, 114 .aid = {.addr = 0x06a8, .mask = 0x7ff}, 115 .bcn_ctrl = {.addr = 0x0550, .mask = 0xff}, 116 }, 117 [1] = { 118 .mac_addr = {.addr = 0x0700}, 119 .bssid = {.addr = 0x0708}, 120 .net_type = {.addr = 0x0100, .mask = 0xc0000}, 121 .aid = {.addr = 0x0710, .mask = 0x7ff}, 122 .bcn_ctrl = {.addr = 0x0551, .mask = 0xff}, 123 }, 124 [2] = { 125 .mac_addr = {.addr = 0x1620}, 126 .bssid = {.addr = 0x1628}, 127 .net_type = {.addr = 0x1100, .mask = 0x3}, 128 .aid = {.addr = 0x1600, .mask = 0x7ff}, 129 .bcn_ctrl = {.addr = 0x0578, .mask = 0xff}, 130 }, 131 [3] = { 132 .mac_addr = {.addr = 0x1630}, 133 .bssid = {.addr = 0x1638}, 134 .net_type = {.addr = 0x1100, .mask = 0xc}, 135 .aid = {.addr = 0x1604, .mask = 0x7ff}, 136 .bcn_ctrl = {.addr = 0x0579, .mask = 0xff}, 137 }, 138 [4] = { 139 .mac_addr = {.addr = 0x1640}, 140 .bssid = {.addr = 0x1648}, 141 .net_type = {.addr = 0x1100, .mask = 0x30}, 142 .aid = {.addr = 0x1608, .mask = 0x7ff}, 143 .bcn_ctrl = {.addr = 0x057a, .mask = 0xff}, 144 }, 145 }; 146 147 static int rtw_ops_add_interface(struct ieee80211_hw *hw, 148 struct ieee80211_vif *vif) 149 { 150 struct rtw_dev *rtwdev = hw->priv; 151 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 152 enum rtw_net_type net_type; 153 u32 config = 0; 154 u8 port = 0; 155 u8 bcn_ctrl = 0; 156 157 if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 158 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 159 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 160 rtwvif->port = port; 161 rtwvif->stats.tx_unicast = 0; 162 rtwvif->stats.rx_unicast = 0; 163 rtwvif->stats.tx_cnt = 0; 164 rtwvif->stats.rx_cnt = 0; 165 rtwvif->scan_req = NULL; 166 memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee)); 167 rtwvif->conf = &rtw_vif_port[port]; 168 rtw_txq_init(rtwdev, vif->txq); 169 INIT_LIST_HEAD(&rtwvif->rsvd_page_list); 170 171 mutex_lock(&rtwdev->mutex); 172 173 rtw_leave_lps_deep(rtwdev); 174 175 switch (vif->type) { 176 case NL80211_IFTYPE_AP: 177 case NL80211_IFTYPE_MESH_POINT: 178 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 179 net_type = RTW_NET_AP_MODE; 180 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 181 break; 182 case NL80211_IFTYPE_ADHOC: 183 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 184 net_type = RTW_NET_AD_HOC; 185 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 186 break; 187 case NL80211_IFTYPE_STATION: 188 rtw_add_rsvd_page_sta(rtwdev, rtwvif); 189 net_type = RTW_NET_NO_LINK; 190 bcn_ctrl = BIT_EN_BCN_FUNCTION; 191 break; 192 default: 193 WARN_ON(1); 194 mutex_unlock(&rtwdev->mutex); 195 return -EINVAL; 196 } 197 198 ether_addr_copy(rtwvif->mac_addr, vif->addr); 199 config |= PORT_SET_MAC_ADDR; 200 rtwvif->net_type = net_type; 201 config |= PORT_SET_NET_TYPE; 202 rtwvif->bcn_ctrl = bcn_ctrl; 203 config |= PORT_SET_BCN_CTRL; 204 rtw_vif_port_config(rtwdev, rtwvif, config); 205 206 mutex_unlock(&rtwdev->mutex); 207 208 #if defined(__linux__) 209 rtw_info(rtwdev, "start vif %pM on port %d\n", vif->addr, rtwvif->port); 210 #elif defined(__FreeBSD__) 211 rtw_info(rtwdev, "start vif %6D on port %d\n", vif->addr, ":", rtwvif->port); 212 #endif 213 return 0; 214 } 215 216 static void rtw_ops_remove_interface(struct ieee80211_hw *hw, 217 struct ieee80211_vif *vif) 218 { 219 struct rtw_dev *rtwdev = hw->priv; 220 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 221 u32 config = 0; 222 223 #if defined(__linux__) 224 rtw_info(rtwdev, "stop vif %pM on port %d\n", vif->addr, rtwvif->port); 225 #elif defined(__FreeBSD__) 226 rtw_info(rtwdev, "stop vif %6D on port %d\n", vif->addr, ":", rtwvif->port); 227 #endif 228 229 mutex_lock(&rtwdev->mutex); 230 231 rtw_leave_lps_deep(rtwdev); 232 233 rtw_txq_cleanup(rtwdev, vif->txq); 234 rtw_remove_rsvd_page(rtwdev, rtwvif); 235 236 eth_zero_addr(rtwvif->mac_addr); 237 config |= PORT_SET_MAC_ADDR; 238 rtwvif->net_type = RTW_NET_NO_LINK; 239 config |= PORT_SET_NET_TYPE; 240 rtwvif->bcn_ctrl = 0; 241 config |= PORT_SET_BCN_CTRL; 242 rtw_vif_port_config(rtwdev, rtwvif, config); 243 244 mutex_unlock(&rtwdev->mutex); 245 } 246 247 static int rtw_ops_change_interface(struct ieee80211_hw *hw, 248 struct ieee80211_vif *vif, 249 enum nl80211_iftype type, bool p2p) 250 { 251 struct rtw_dev *rtwdev = hw->priv; 252 253 #if defined(__linux__) 254 rtw_info(rtwdev, "change vif %pM (%d)->(%d), p2p (%d)->(%d)\n", 255 vif->addr, vif->type, type, vif->p2p, p2p); 256 #elif defined(__FreeBSD__) 257 rtw_info(rtwdev, "change vif %6D (%d)->(%d), p2p (%d)->(%d)\n", 258 vif->addr, ":", vif->type, type, vif->p2p, p2p); 259 #endif 260 261 rtw_ops_remove_interface(hw, vif); 262 263 vif->type = type; 264 vif->p2p = p2p; 265 266 return rtw_ops_add_interface(hw, vif); 267 } 268 269 static void rtw_ops_configure_filter(struct ieee80211_hw *hw, 270 unsigned int changed_flags, 271 unsigned int *new_flags, 272 u64 multicast) 273 { 274 struct rtw_dev *rtwdev = hw->priv; 275 276 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | 277 FIF_BCN_PRBRESP_PROMISC; 278 279 mutex_lock(&rtwdev->mutex); 280 281 rtw_leave_lps_deep(rtwdev); 282 283 if (changed_flags & FIF_ALLMULTI) { 284 if (*new_flags & FIF_ALLMULTI) 285 rtwdev->hal.rcr |= BIT_AM | BIT_AB; 286 else 287 rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB); 288 } 289 if (changed_flags & FIF_FCSFAIL) { 290 if (*new_flags & FIF_FCSFAIL) 291 rtwdev->hal.rcr |= BIT_ACRC32; 292 else 293 rtwdev->hal.rcr &= ~(BIT_ACRC32); 294 } 295 if (changed_flags & FIF_OTHER_BSS) { 296 if (*new_flags & FIF_OTHER_BSS) 297 rtwdev->hal.rcr |= BIT_AAP; 298 else 299 rtwdev->hal.rcr &= ~(BIT_AAP); 300 } 301 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 302 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 303 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); 304 else 305 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 306 } 307 308 rtw_dbg(rtwdev, RTW_DBG_RX, 309 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", 310 changed_flags, *new_flags, rtwdev->hal.rcr); 311 312 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 313 314 mutex_unlock(&rtwdev->mutex); 315 } 316 317 /* Only have one group of EDCA parameters now */ 318 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { 319 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 320 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 321 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 322 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 323 }; 324 325 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, 326 struct rtw_vif *rtwvif, u8 aifsn) 327 { 328 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 329 u8 slot_time; 330 u8 sifs; 331 332 slot_time = vif->bss_conf.use_short_slot ? 9 : 20; 333 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; 334 335 return aifsn * slot_time + sifs; 336 } 337 338 static void __rtw_conf_tx(struct rtw_dev *rtwdev, 339 struct rtw_vif *rtwvif, u16 ac) 340 { 341 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; 342 u32 edca_param = ac_to_edca_param[ac]; 343 u8 ecw_max, ecw_min; 344 u8 aifs; 345 346 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ 347 ecw_max = ilog2(params->cw_max + 1); 348 ecw_min = ilog2(params->cw_min + 1); 349 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); 350 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); 351 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); 352 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); 353 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); 354 } 355 356 static void rtw_conf_tx(struct rtw_dev *rtwdev, 357 struct rtw_vif *rtwvif) 358 { 359 u16 ac; 360 361 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 362 __rtw_conf_tx(rtwdev, rtwvif, ac); 363 } 364 365 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, 366 struct ieee80211_vif *vif, 367 struct ieee80211_bss_conf *conf, 368 u32 changed) 369 { 370 struct rtw_dev *rtwdev = hw->priv; 371 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 372 struct rtw_coex *coex = &rtwdev->coex; 373 struct rtw_coex_stat *coex_stat = &coex->stat; 374 u32 config = 0; 375 376 mutex_lock(&rtwdev->mutex); 377 378 rtw_leave_lps_deep(rtwdev); 379 380 if (changed & BSS_CHANGED_ASSOC) { 381 rtw_vif_assoc_changed(rtwvif, conf); 382 if (conf->assoc) { 383 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); 384 385 rtw_fw_download_rsvd_page(rtwdev); 386 rtw_send_rsvd_page_h2c(rtwdev); 387 rtw_coex_media_status_notify(rtwdev, conf->assoc); 388 if (rtw_bf_support) 389 rtw_bf_assoc(rtwdev, vif, conf); 390 rtw_store_op_chan(rtwdev); 391 } else { 392 rtw_leave_lps(rtwdev); 393 rtw_bf_disassoc(rtwdev, vif, conf); 394 /* Abort ongoing scan if cancel_scan isn't issued 395 * when disconnected by peer 396 */ 397 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 398 rtw_hw_scan_abort(rtwdev, vif); 399 } 400 401 config |= PORT_SET_NET_TYPE; 402 config |= PORT_SET_AID; 403 } 404 405 if (changed & BSS_CHANGED_BSSID) { 406 ether_addr_copy(rtwvif->bssid, conf->bssid); 407 config |= PORT_SET_BSSID; 408 } 409 410 if (changed & BSS_CHANGED_BEACON_INT) { 411 if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION) 412 coex_stat->wl_beacon_interval = conf->beacon_int; 413 } 414 415 if (changed & BSS_CHANGED_BEACON) 416 rtw_fw_download_rsvd_page(rtwdev); 417 418 if (changed & BSS_CHANGED_BEACON_ENABLED) { 419 if (conf->enable_beacon) 420 rtw_write32_set(rtwdev, REG_FWHW_TXQ_CTRL, 421 BIT_EN_BCNQ_DL); 422 else 423 rtw_write32_clr(rtwdev, REG_FWHW_TXQ_CTRL, 424 BIT_EN_BCNQ_DL); 425 } 426 if (changed & BSS_CHANGED_CQM) 427 rtw_fw_beacon_filter_config(rtwdev, true, vif); 428 429 if (changed & BSS_CHANGED_MU_GROUPS) 430 rtw_chip_set_gid_table(rtwdev, vif, conf); 431 432 if (changed & BSS_CHANGED_ERP_SLOT) 433 rtw_conf_tx(rtwdev, rtwvif); 434 435 rtw_vif_port_config(rtwdev, rtwvif, config); 436 437 mutex_unlock(&rtwdev->mutex); 438 } 439 440 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 441 struct ieee80211_vif *vif, u16 ac, 442 const struct ieee80211_tx_queue_params *params) 443 { 444 struct rtw_dev *rtwdev = hw->priv; 445 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 446 447 mutex_lock(&rtwdev->mutex); 448 449 rtw_leave_lps_deep(rtwdev); 450 451 rtwvif->tx_params[ac] = *params; 452 __rtw_conf_tx(rtwdev, rtwvif, ac); 453 454 mutex_unlock(&rtwdev->mutex); 455 456 return 0; 457 } 458 459 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 460 struct ieee80211_vif *vif, 461 struct ieee80211_sta *sta) 462 { 463 struct rtw_dev *rtwdev = hw->priv; 464 int ret = 0; 465 466 mutex_lock(&rtwdev->mutex); 467 ret = rtw_sta_add(rtwdev, sta, vif); 468 mutex_unlock(&rtwdev->mutex); 469 470 return ret; 471 } 472 473 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 474 struct ieee80211_vif *vif, 475 struct ieee80211_sta *sta) 476 { 477 struct rtw_dev *rtwdev = hw->priv; 478 479 rtw_fw_beacon_filter_config(rtwdev, false, vif); 480 mutex_lock(&rtwdev->mutex); 481 rtw_sta_remove(rtwdev, sta, true); 482 mutex_unlock(&rtwdev->mutex); 483 484 return 0; 485 } 486 487 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 488 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 489 struct ieee80211_key_conf *key) 490 { 491 struct rtw_dev *rtwdev = hw->priv; 492 struct rtw_sec_desc *sec = &rtwdev->sec; 493 u8 hw_key_type; 494 u8 hw_key_idx; 495 int ret = 0; 496 497 switch (key->cipher) { 498 case WLAN_CIPHER_SUITE_WEP40: 499 hw_key_type = RTW_CAM_WEP40; 500 break; 501 case WLAN_CIPHER_SUITE_WEP104: 502 hw_key_type = RTW_CAM_WEP104; 503 break; 504 case WLAN_CIPHER_SUITE_TKIP: 505 hw_key_type = RTW_CAM_TKIP; 506 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 507 break; 508 case WLAN_CIPHER_SUITE_CCMP: 509 hw_key_type = RTW_CAM_AES; 510 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 511 break; 512 case WLAN_CIPHER_SUITE_AES_CMAC: 513 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 514 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 515 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 516 case WLAN_CIPHER_SUITE_CCMP_256: 517 case WLAN_CIPHER_SUITE_GCMP: 518 case WLAN_CIPHER_SUITE_GCMP_256: 519 /* suppress error messages */ 520 return -EOPNOTSUPP; 521 default: 522 return -ENOTSUPP; 523 } 524 525 mutex_lock(&rtwdev->mutex); 526 527 rtw_leave_lps_deep(rtwdev); 528 529 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 530 hw_key_idx = rtw_sec_get_free_cam(sec); 531 } else { 532 /* multiple interfaces? */ 533 hw_key_idx = key->keyidx; 534 } 535 536 if (hw_key_idx > sec->total_cam_num) { 537 ret = -ENOSPC; 538 goto out; 539 } 540 541 switch (cmd) { 542 case SET_KEY: 543 /* need sw generated IV */ 544 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 545 key->hw_key_idx = hw_key_idx; 546 rtw_sec_write_cam(rtwdev, sec, sta, key, 547 hw_key_type, hw_key_idx); 548 break; 549 case DISABLE_KEY: 550 rtw_hci_flush_all_queues(rtwdev, false); 551 rtw_mac_flush_all_queues(rtwdev, false); 552 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 553 break; 554 } 555 556 /* download new cam settings for PG to backup */ 557 if (rtw_get_lps_deep_mode(rtwdev) == LPS_DEEP_MODE_PG) 558 rtw_fw_download_rsvd_page(rtwdev); 559 560 out: 561 mutex_unlock(&rtwdev->mutex); 562 563 return ret; 564 } 565 566 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 567 struct ieee80211_vif *vif, 568 struct ieee80211_ampdu_params *params) 569 { 570 struct ieee80211_sta *sta = params->sta; 571 u16 tid = params->tid; 572 struct ieee80211_txq *txq = sta->txq[tid]; 573 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 574 575 switch (params->action) { 576 case IEEE80211_AMPDU_TX_START: 577 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 578 case IEEE80211_AMPDU_TX_STOP_CONT: 579 case IEEE80211_AMPDU_TX_STOP_FLUSH: 580 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 581 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 582 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 583 break; 584 case IEEE80211_AMPDU_TX_OPERATIONAL: 585 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 586 break; 587 case IEEE80211_AMPDU_RX_START: 588 case IEEE80211_AMPDU_RX_STOP: 589 break; 590 default: 591 WARN_ON(1); 592 return -ENOTSUPP; 593 } 594 595 return 0; 596 } 597 598 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, 599 struct sk_buff *head, 600 struct sk_buff *skb) 601 { 602 struct rtw_dev *rtwdev = hw->priv; 603 struct rtw_hal *hal = &rtwdev->hal; 604 605 /* we don't want to enable TX AMSDU on 2.4G */ 606 if (hal->current_band_type == RTW_BAND_2G) 607 return false; 608 609 return true; 610 } 611 612 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 613 struct ieee80211_vif *vif, 614 const u8 *mac_addr) 615 { 616 struct rtw_dev *rtwdev = hw->priv; 617 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 618 619 mutex_lock(&rtwdev->mutex); 620 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, false); 621 mutex_unlock(&rtwdev->mutex); 622 } 623 624 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 625 struct ieee80211_vif *vif) 626 { 627 struct rtw_dev *rtwdev = hw->priv; 628 629 mutex_lock(&rtwdev->mutex); 630 rtw_core_scan_complete(rtwdev, vif); 631 mutex_unlock(&rtwdev->mutex); 632 } 633 634 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 635 struct ieee80211_vif *vif, 636 struct ieee80211_prep_tx_info *info) 637 { 638 struct rtw_dev *rtwdev = hw->priv; 639 640 mutex_lock(&rtwdev->mutex); 641 rtw_leave_lps_deep(rtwdev); 642 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 643 rtw_chip_prepare_tx(rtwdev); 644 mutex_unlock(&rtwdev->mutex); 645 } 646 647 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 648 { 649 struct rtw_dev *rtwdev = hw->priv; 650 651 mutex_lock(&rtwdev->mutex); 652 rtwdev->rts_threshold = value; 653 mutex_unlock(&rtwdev->mutex); 654 655 return 0; 656 } 657 658 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 659 struct ieee80211_vif *vif, 660 struct ieee80211_sta *sta, 661 struct station_info *sinfo) 662 { 663 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 664 665 sinfo->txrate = si->ra_report.txrate; 666 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 667 } 668 669 static void rtw_ops_flush(struct ieee80211_hw *hw, 670 struct ieee80211_vif *vif, 671 u32 queues, bool drop) 672 { 673 struct rtw_dev *rtwdev = hw->priv; 674 675 mutex_lock(&rtwdev->mutex); 676 rtw_leave_lps_deep(rtwdev); 677 678 rtw_hci_flush_queues(rtwdev, queues, drop); 679 rtw_mac_flush_queues(rtwdev, queues, drop); 680 mutex_unlock(&rtwdev->mutex); 681 } 682 683 struct rtw_iter_bitrate_mask_data { 684 struct rtw_dev *rtwdev; 685 struct ieee80211_vif *vif; 686 const struct cfg80211_bitrate_mask *mask; 687 }; 688 689 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 690 { 691 struct rtw_iter_bitrate_mask_data *br_data = data; 692 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 693 694 if (si->vif != br_data->vif) 695 return; 696 697 /* free previous mask setting */ 698 kfree(si->mask); 699 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 700 GFP_ATOMIC); 701 if (!si->mask) { 702 si->use_cfg_mask = false; 703 return; 704 } 705 706 si->use_cfg_mask = true; 707 rtw_update_sta_info(br_data->rtwdev, si); 708 } 709 710 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 711 struct ieee80211_vif *vif, 712 const struct cfg80211_bitrate_mask *mask) 713 { 714 struct rtw_iter_bitrate_mask_data br_data; 715 716 br_data.rtwdev = rtwdev; 717 br_data.vif = vif; 718 br_data.mask = mask; 719 rtw_iterate_stas_atomic(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 720 } 721 722 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 723 struct ieee80211_vif *vif, 724 const struct cfg80211_bitrate_mask *mask) 725 { 726 struct rtw_dev *rtwdev = hw->priv; 727 728 rtw_ra_mask_info_update(rtwdev, vif, mask); 729 730 return 0; 731 } 732 733 static int rtw_ops_set_antenna(struct ieee80211_hw *hw, 734 u32 tx_antenna, 735 u32 rx_antenna) 736 { 737 struct rtw_dev *rtwdev = hw->priv; 738 struct rtw_chip_info *chip = rtwdev->chip; 739 int ret; 740 741 if (!chip->ops->set_antenna) 742 return -EOPNOTSUPP; 743 744 mutex_lock(&rtwdev->mutex); 745 ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna); 746 mutex_unlock(&rtwdev->mutex); 747 748 return ret; 749 } 750 751 static int rtw_ops_get_antenna(struct ieee80211_hw *hw, 752 u32 *tx_antenna, 753 u32 *rx_antenna) 754 { 755 struct rtw_dev *rtwdev = hw->priv; 756 struct rtw_hal *hal = &rtwdev->hal; 757 758 *tx_antenna = hal->antenna_tx; 759 *rx_antenna = hal->antenna_rx; 760 761 return 0; 762 } 763 764 #ifdef CONFIG_PM 765 static int rtw_ops_suspend(struct ieee80211_hw *hw, 766 struct cfg80211_wowlan *wowlan) 767 { 768 struct rtw_dev *rtwdev = hw->priv; 769 int ret; 770 771 mutex_lock(&rtwdev->mutex); 772 ret = rtw_wow_suspend(rtwdev, wowlan); 773 if (ret) 774 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 775 mutex_unlock(&rtwdev->mutex); 776 777 return ret ? 1 : 0; 778 } 779 780 static int rtw_ops_resume(struct ieee80211_hw *hw) 781 { 782 struct rtw_dev *rtwdev = hw->priv; 783 int ret; 784 785 mutex_lock(&rtwdev->mutex); 786 ret = rtw_wow_resume(rtwdev); 787 if (ret) 788 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 789 mutex_unlock(&rtwdev->mutex); 790 791 return ret ? 1 : 0; 792 } 793 794 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 795 { 796 struct rtw_dev *rtwdev = hw->priv; 797 798 device_set_wakeup_enable(rtwdev->dev, enabled); 799 } 800 #endif 801 802 static void rtw_reconfig_complete(struct ieee80211_hw *hw, 803 enum ieee80211_reconfig_type reconfig_type) 804 { 805 struct rtw_dev *rtwdev = hw->priv; 806 807 mutex_lock(&rtwdev->mutex); 808 if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART) 809 clear_bit(RTW_FLAG_RESTARTING, rtwdev->flags); 810 mutex_unlock(&rtwdev->mutex); 811 } 812 813 static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 814 struct ieee80211_scan_request *req) 815 { 816 struct rtw_dev *rtwdev = hw->priv; 817 int ret; 818 819 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 820 return 1; 821 822 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 823 return -EBUSY; 824 825 mutex_lock(&rtwdev->mutex); 826 rtw_hw_scan_start(rtwdev, vif, req); 827 ret = rtw_hw_scan_offload(rtwdev, vif, true); 828 if (ret) { 829 rtw_hw_scan_abort(rtwdev, vif); 830 rtw_err(rtwdev, "HW scan failed with status: %d\n", ret); 831 } 832 mutex_unlock(&rtwdev->mutex); 833 834 return ret; 835 } 836 837 static void rtw_ops_cancel_hw_scan(struct ieee80211_hw *hw, 838 struct ieee80211_vif *vif) 839 { 840 struct rtw_dev *rtwdev = hw->priv; 841 842 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 843 return; 844 845 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 846 return; 847 848 mutex_lock(&rtwdev->mutex); 849 rtw_hw_scan_abort(rtwdev, vif); 850 mutex_unlock(&rtwdev->mutex); 851 } 852 853 static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw, 854 const struct cfg80211_sar_specs *sar) 855 { 856 struct rtw_dev *rtwdev = hw->priv; 857 858 rtw_set_sar_specs(rtwdev, sar); 859 860 return 0; 861 } 862 863 const struct ieee80211_ops rtw_ops = { 864 .tx = rtw_ops_tx, 865 .wake_tx_queue = rtw_ops_wake_tx_queue, 866 .start = rtw_ops_start, 867 .stop = rtw_ops_stop, 868 .config = rtw_ops_config, 869 .add_interface = rtw_ops_add_interface, 870 .remove_interface = rtw_ops_remove_interface, 871 .change_interface = rtw_ops_change_interface, 872 .configure_filter = rtw_ops_configure_filter, 873 .bss_info_changed = rtw_ops_bss_info_changed, 874 .conf_tx = rtw_ops_conf_tx, 875 .sta_add = rtw_ops_sta_add, 876 .sta_remove = rtw_ops_sta_remove, 877 .set_key = rtw_ops_set_key, 878 .ampdu_action = rtw_ops_ampdu_action, 879 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, 880 .sw_scan_start = rtw_ops_sw_scan_start, 881 .sw_scan_complete = rtw_ops_sw_scan_complete, 882 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 883 .set_rts_threshold = rtw_ops_set_rts_threshold, 884 .sta_statistics = rtw_ops_sta_statistics, 885 .flush = rtw_ops_flush, 886 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 887 .set_antenna = rtw_ops_set_antenna, 888 .get_antenna = rtw_ops_get_antenna, 889 .reconfig_complete = rtw_reconfig_complete, 890 .hw_scan = rtw_ops_hw_scan, 891 .cancel_hw_scan = rtw_ops_cancel_hw_scan, 892 .set_sar_specs = rtw_ops_set_sar_specs, 893 #ifdef CONFIG_PM 894 .suspend = rtw_ops_suspend, 895 .resume = rtw_ops_resume, 896 .set_wakeup = rtw_ops_set_wakeup, 897 #endif 898 }; 899 EXPORT_SYMBOL(rtw_ops); 900