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 /* let previous ips work finish to ensure we don't leave ips twice */ 76 cancel_work_sync(&rtwdev->ips_work); 77 78 mutex_lock(&rtwdev->mutex); 79 80 rtw_leave_lps_deep(rtwdev); 81 82 if ((changed & IEEE80211_CONF_CHANGE_IDLE) && 83 !(hw->conf.flags & IEEE80211_CONF_IDLE)) { 84 ret = rtw_leave_ips(rtwdev); 85 if (ret) { 86 rtw_err(rtwdev, "failed to leave idle state\n"); 87 goto out; 88 } 89 } 90 91 if (changed & IEEE80211_CONF_CHANGE_PS) { 92 if (hw->conf.flags & IEEE80211_CONF_PS) { 93 rtwdev->ps_enabled = true; 94 } else { 95 rtwdev->ps_enabled = false; 96 rtw_leave_lps(rtwdev); 97 } 98 } 99 100 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) 101 rtw_set_channel(rtwdev); 102 103 if ((changed & IEEE80211_CONF_CHANGE_IDLE) && 104 (hw->conf.flags & IEEE80211_CONF_IDLE)) 105 rtw_enter_ips(rtwdev); 106 107 out: 108 mutex_unlock(&rtwdev->mutex); 109 return ret; 110 } 111 112 static const struct rtw_vif_port rtw_vif_port[] = { 113 [0] = { 114 .mac_addr = {.addr = 0x0610}, 115 .bssid = {.addr = 0x0618}, 116 .net_type = {.addr = 0x0100, .mask = 0x30000}, 117 .aid = {.addr = 0x06a8, .mask = 0x7ff}, 118 .bcn_ctrl = {.addr = 0x0550, .mask = 0xff}, 119 }, 120 [1] = { 121 .mac_addr = {.addr = 0x0700}, 122 .bssid = {.addr = 0x0708}, 123 .net_type = {.addr = 0x0100, .mask = 0xc0000}, 124 .aid = {.addr = 0x0710, .mask = 0x7ff}, 125 .bcn_ctrl = {.addr = 0x0551, .mask = 0xff}, 126 }, 127 [2] = { 128 .mac_addr = {.addr = 0x1620}, 129 .bssid = {.addr = 0x1628}, 130 .net_type = {.addr = 0x1100, .mask = 0x3}, 131 .aid = {.addr = 0x1600, .mask = 0x7ff}, 132 .bcn_ctrl = {.addr = 0x0578, .mask = 0xff}, 133 }, 134 [3] = { 135 .mac_addr = {.addr = 0x1630}, 136 .bssid = {.addr = 0x1638}, 137 .net_type = {.addr = 0x1100, .mask = 0xc}, 138 .aid = {.addr = 0x1604, .mask = 0x7ff}, 139 .bcn_ctrl = {.addr = 0x0579, .mask = 0xff}, 140 }, 141 [4] = { 142 .mac_addr = {.addr = 0x1640}, 143 .bssid = {.addr = 0x1648}, 144 .net_type = {.addr = 0x1100, .mask = 0x30}, 145 .aid = {.addr = 0x1608, .mask = 0x7ff}, 146 .bcn_ctrl = {.addr = 0x057a, .mask = 0xff}, 147 }, 148 }; 149 150 static int rtw_ops_add_interface(struct ieee80211_hw *hw, 151 struct ieee80211_vif *vif) 152 { 153 struct rtw_dev *rtwdev = hw->priv; 154 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 155 enum rtw_net_type net_type; 156 u32 config = 0; 157 u8 port = 0; 158 u8 bcn_ctrl = 0; 159 160 if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 161 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 162 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 163 rtwvif->port = port; 164 rtwvif->stats.tx_unicast = 0; 165 rtwvif->stats.rx_unicast = 0; 166 rtwvif->stats.tx_cnt = 0; 167 rtwvif->stats.rx_cnt = 0; 168 rtwvif->scan_req = NULL; 169 memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee)); 170 rtwvif->conf = &rtw_vif_port[port]; 171 rtw_txq_init(rtwdev, vif->txq); 172 INIT_LIST_HEAD(&rtwvif->rsvd_page_list); 173 174 mutex_lock(&rtwdev->mutex); 175 176 rtw_leave_lps_deep(rtwdev); 177 178 switch (vif->type) { 179 case NL80211_IFTYPE_AP: 180 case NL80211_IFTYPE_MESH_POINT: 181 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 182 net_type = RTW_NET_AP_MODE; 183 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 184 break; 185 case NL80211_IFTYPE_ADHOC: 186 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 187 net_type = RTW_NET_AD_HOC; 188 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 189 break; 190 case NL80211_IFTYPE_STATION: 191 rtw_add_rsvd_page_sta(rtwdev, rtwvif); 192 net_type = RTW_NET_NO_LINK; 193 bcn_ctrl = BIT_EN_BCN_FUNCTION; 194 break; 195 default: 196 WARN_ON(1); 197 mutex_unlock(&rtwdev->mutex); 198 return -EINVAL; 199 } 200 201 ether_addr_copy(rtwvif->mac_addr, vif->addr); 202 config |= PORT_SET_MAC_ADDR; 203 rtwvif->net_type = net_type; 204 config |= PORT_SET_NET_TYPE; 205 rtwvif->bcn_ctrl = bcn_ctrl; 206 config |= PORT_SET_BCN_CTRL; 207 rtw_vif_port_config(rtwdev, rtwvif, config); 208 209 mutex_unlock(&rtwdev->mutex); 210 211 rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %pM on port %d\n", vif->addr, rtwvif->port); 212 return 0; 213 } 214 215 static void rtw_ops_remove_interface(struct ieee80211_hw *hw, 216 struct ieee80211_vif *vif) 217 { 218 struct rtw_dev *rtwdev = hw->priv; 219 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 220 u32 config = 0; 221 222 rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %pM on port %d\n", vif->addr, rtwvif->port); 223 224 mutex_lock(&rtwdev->mutex); 225 226 rtw_leave_lps_deep(rtwdev); 227 228 rtw_txq_cleanup(rtwdev, vif->txq); 229 rtw_remove_rsvd_page(rtwdev, rtwvif); 230 231 eth_zero_addr(rtwvif->mac_addr); 232 config |= PORT_SET_MAC_ADDR; 233 rtwvif->net_type = RTW_NET_NO_LINK; 234 config |= PORT_SET_NET_TYPE; 235 rtwvif->bcn_ctrl = 0; 236 config |= PORT_SET_BCN_CTRL; 237 rtw_vif_port_config(rtwdev, rtwvif, config); 238 239 mutex_unlock(&rtwdev->mutex); 240 } 241 242 static int rtw_ops_change_interface(struct ieee80211_hw *hw, 243 struct ieee80211_vif *vif, 244 enum nl80211_iftype type, bool p2p) 245 { 246 struct rtw_dev *rtwdev = hw->priv; 247 248 rtw_dbg(rtwdev, RTW_DBG_STATE, "change vif %pM (%d)->(%d), p2p (%d)->(%d)\n", 249 vif->addr, vif->type, type, vif->p2p, p2p); 250 251 rtw_ops_remove_interface(hw, vif); 252 253 vif->type = type; 254 vif->p2p = p2p; 255 256 return rtw_ops_add_interface(hw, vif); 257 } 258 259 static void rtw_ops_configure_filter(struct ieee80211_hw *hw, 260 unsigned int changed_flags, 261 unsigned int *new_flags, 262 u64 multicast) 263 { 264 struct rtw_dev *rtwdev = hw->priv; 265 266 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | 267 FIF_BCN_PRBRESP_PROMISC; 268 269 mutex_lock(&rtwdev->mutex); 270 271 rtw_leave_lps_deep(rtwdev); 272 273 if (changed_flags & FIF_ALLMULTI) { 274 if (*new_flags & FIF_ALLMULTI) 275 rtwdev->hal.rcr |= BIT_AM | BIT_AB; 276 else 277 rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB); 278 } 279 if (changed_flags & FIF_FCSFAIL) { 280 if (*new_flags & FIF_FCSFAIL) 281 rtwdev->hal.rcr |= BIT_ACRC32; 282 else 283 rtwdev->hal.rcr &= ~(BIT_ACRC32); 284 } 285 if (changed_flags & FIF_OTHER_BSS) { 286 if (*new_flags & FIF_OTHER_BSS) 287 rtwdev->hal.rcr |= BIT_AAP; 288 else 289 rtwdev->hal.rcr &= ~(BIT_AAP); 290 } 291 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 292 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 293 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); 294 else 295 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 296 } 297 298 rtw_dbg(rtwdev, RTW_DBG_RX, 299 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", 300 changed_flags, *new_flags, rtwdev->hal.rcr); 301 302 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 303 304 mutex_unlock(&rtwdev->mutex); 305 } 306 307 /* Only have one group of EDCA parameters now */ 308 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { 309 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 310 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 311 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 312 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 313 }; 314 315 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, 316 struct rtw_vif *rtwvif, u8 aifsn) 317 { 318 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 319 u8 slot_time; 320 u8 sifs; 321 322 slot_time = vif->bss_conf.use_short_slot ? 9 : 20; 323 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; 324 325 return aifsn * slot_time + sifs; 326 } 327 328 static void __rtw_conf_tx(struct rtw_dev *rtwdev, 329 struct rtw_vif *rtwvif, u16 ac) 330 { 331 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; 332 u32 edca_param = ac_to_edca_param[ac]; 333 u8 ecw_max, ecw_min; 334 u8 aifs; 335 336 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ 337 ecw_max = ilog2(params->cw_max + 1); 338 ecw_min = ilog2(params->cw_min + 1); 339 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); 340 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); 341 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); 342 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); 343 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); 344 } 345 346 static void rtw_conf_tx(struct rtw_dev *rtwdev, 347 struct rtw_vif *rtwvif) 348 { 349 u16 ac; 350 351 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 352 __rtw_conf_tx(rtwdev, rtwvif, ac); 353 } 354 355 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, 356 struct ieee80211_vif *vif, 357 struct ieee80211_bss_conf *conf, 358 u64 changed) 359 { 360 struct rtw_dev *rtwdev = hw->priv; 361 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 362 struct rtw_coex *coex = &rtwdev->coex; 363 struct rtw_coex_stat *coex_stat = &coex->stat; 364 u32 config = 0; 365 366 mutex_lock(&rtwdev->mutex); 367 368 rtw_leave_lps_deep(rtwdev); 369 370 if (changed & BSS_CHANGED_ASSOC) { 371 rtw_vif_assoc_changed(rtwvif, conf); 372 if (vif->cfg.assoc) { 373 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); 374 375 rtw_fw_download_rsvd_page(rtwdev); 376 rtw_send_rsvd_page_h2c(rtwdev); 377 rtw_coex_media_status_notify(rtwdev, vif->cfg.assoc); 378 if (rtw_bf_support) 379 rtw_bf_assoc(rtwdev, vif, conf); 380 rtw_store_op_chan(rtwdev); 381 } else { 382 rtw_leave_lps(rtwdev); 383 rtw_bf_disassoc(rtwdev, vif, conf); 384 /* Abort ongoing scan if cancel_scan isn't issued 385 * when disconnected by peer 386 */ 387 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 388 rtw_hw_scan_abort(rtwdev, vif); 389 } 390 391 config |= PORT_SET_NET_TYPE; 392 config |= PORT_SET_AID; 393 } 394 395 if (changed & BSS_CHANGED_BSSID) { 396 ether_addr_copy(rtwvif->bssid, conf->bssid); 397 config |= PORT_SET_BSSID; 398 } 399 400 if (changed & BSS_CHANGED_BEACON_INT) { 401 if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION) 402 coex_stat->wl_beacon_interval = conf->beacon_int; 403 } 404 405 if (changed & BSS_CHANGED_BEACON) { 406 rtw_set_dtim_period(rtwdev, conf->dtim_period); 407 rtw_fw_download_rsvd_page(rtwdev); 408 } 409 410 if (changed & BSS_CHANGED_BEACON_ENABLED) { 411 if (conf->enable_beacon) 412 rtw_write32_set(rtwdev, REG_FWHW_TXQ_CTRL, 413 BIT_EN_BCNQ_DL); 414 else 415 rtw_write32_clr(rtwdev, REG_FWHW_TXQ_CTRL, 416 BIT_EN_BCNQ_DL); 417 } 418 if (changed & BSS_CHANGED_CQM) 419 rtw_fw_beacon_filter_config(rtwdev, true, vif); 420 421 if (changed & BSS_CHANGED_MU_GROUPS) 422 rtw_chip_set_gid_table(rtwdev, vif, conf); 423 424 if (changed & BSS_CHANGED_ERP_SLOT) 425 rtw_conf_tx(rtwdev, rtwvif); 426 427 rtw_vif_port_config(rtwdev, rtwvif, config); 428 429 mutex_unlock(&rtwdev->mutex); 430 } 431 432 static int rtw_ops_start_ap(struct ieee80211_hw *hw, 433 struct ieee80211_vif *vif, 434 struct ieee80211_bss_conf *link_conf) 435 { 436 struct rtw_dev *rtwdev = hw->priv; 437 struct rtw_chip_info *chip = rtwdev->chip; 438 439 mutex_lock(&rtwdev->mutex); 440 chip->ops->phy_calibration(rtwdev); 441 mutex_unlock(&rtwdev->mutex); 442 443 return 0; 444 } 445 446 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 447 struct ieee80211_vif *vif, 448 unsigned int link_id, u16 ac, 449 const struct ieee80211_tx_queue_params *params) 450 { 451 struct rtw_dev *rtwdev = hw->priv; 452 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 453 454 mutex_lock(&rtwdev->mutex); 455 456 rtw_leave_lps_deep(rtwdev); 457 458 rtwvif->tx_params[ac] = *params; 459 __rtw_conf_tx(rtwdev, rtwvif, ac); 460 461 mutex_unlock(&rtwdev->mutex); 462 463 return 0; 464 } 465 466 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 467 struct ieee80211_vif *vif, 468 struct ieee80211_sta *sta) 469 { 470 struct rtw_dev *rtwdev = hw->priv; 471 int ret = 0; 472 473 mutex_lock(&rtwdev->mutex); 474 ret = rtw_sta_add(rtwdev, sta, vif); 475 mutex_unlock(&rtwdev->mutex); 476 477 return ret; 478 } 479 480 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 481 struct ieee80211_vif *vif, 482 struct ieee80211_sta *sta) 483 { 484 struct rtw_dev *rtwdev = hw->priv; 485 486 rtw_fw_beacon_filter_config(rtwdev, false, vif); 487 mutex_lock(&rtwdev->mutex); 488 rtw_sta_remove(rtwdev, sta, true); 489 mutex_unlock(&rtwdev->mutex); 490 491 return 0; 492 } 493 494 static int rtw_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 495 bool set) 496 { 497 struct rtw_dev *rtwdev = hw->priv; 498 499 ieee80211_queue_work(hw, &rtwdev->update_beacon_work); 500 501 return 0; 502 } 503 504 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 505 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 506 struct ieee80211_key_conf *key) 507 { 508 struct rtw_dev *rtwdev = hw->priv; 509 struct rtw_sec_desc *sec = &rtwdev->sec; 510 u8 hw_key_type; 511 u8 hw_key_idx; 512 int ret = 0; 513 514 switch (key->cipher) { 515 case WLAN_CIPHER_SUITE_WEP40: 516 hw_key_type = RTW_CAM_WEP40; 517 break; 518 case WLAN_CIPHER_SUITE_WEP104: 519 hw_key_type = RTW_CAM_WEP104; 520 break; 521 case WLAN_CIPHER_SUITE_TKIP: 522 hw_key_type = RTW_CAM_TKIP; 523 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 524 break; 525 case WLAN_CIPHER_SUITE_CCMP: 526 hw_key_type = RTW_CAM_AES; 527 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 528 break; 529 case WLAN_CIPHER_SUITE_AES_CMAC: 530 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 531 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 532 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 533 case WLAN_CIPHER_SUITE_CCMP_256: 534 case WLAN_CIPHER_SUITE_GCMP: 535 case WLAN_CIPHER_SUITE_GCMP_256: 536 /* suppress error messages */ 537 return -EOPNOTSUPP; 538 default: 539 return -ENOTSUPP; 540 } 541 542 mutex_lock(&rtwdev->mutex); 543 544 rtw_leave_lps_deep(rtwdev); 545 546 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 547 hw_key_idx = rtw_sec_get_free_cam(sec); 548 } else { 549 /* multiple interfaces? */ 550 hw_key_idx = key->keyidx; 551 } 552 553 if (hw_key_idx > sec->total_cam_num) { 554 ret = -ENOSPC; 555 goto out; 556 } 557 558 switch (cmd) { 559 case SET_KEY: 560 /* need sw generated IV */ 561 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 562 key->hw_key_idx = hw_key_idx; 563 rtw_sec_write_cam(rtwdev, sec, sta, key, 564 hw_key_type, hw_key_idx); 565 break; 566 case DISABLE_KEY: 567 rtw_hci_flush_all_queues(rtwdev, false); 568 rtw_mac_flush_all_queues(rtwdev, false); 569 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 570 break; 571 } 572 573 /* download new cam settings for PG to backup */ 574 if (rtw_get_lps_deep_mode(rtwdev) == LPS_DEEP_MODE_PG) 575 rtw_fw_download_rsvd_page(rtwdev); 576 577 out: 578 mutex_unlock(&rtwdev->mutex); 579 580 return ret; 581 } 582 583 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 584 struct ieee80211_vif *vif, 585 struct ieee80211_ampdu_params *params) 586 { 587 struct ieee80211_sta *sta = params->sta; 588 u16 tid = params->tid; 589 struct ieee80211_txq *txq = sta->txq[tid]; 590 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 591 592 switch (params->action) { 593 case IEEE80211_AMPDU_TX_START: 594 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 595 case IEEE80211_AMPDU_TX_STOP_CONT: 596 case IEEE80211_AMPDU_TX_STOP_FLUSH: 597 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 598 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 599 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 600 break; 601 case IEEE80211_AMPDU_TX_OPERATIONAL: 602 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 603 break; 604 case IEEE80211_AMPDU_RX_START: 605 case IEEE80211_AMPDU_RX_STOP: 606 break; 607 default: 608 WARN_ON(1); 609 return -ENOTSUPP; 610 } 611 612 return 0; 613 } 614 615 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, 616 struct sk_buff *head, 617 struct sk_buff *skb) 618 { 619 struct rtw_dev *rtwdev = hw->priv; 620 struct rtw_hal *hal = &rtwdev->hal; 621 622 /* we don't want to enable TX AMSDU on 2.4G */ 623 if (hal->current_band_type == RTW_BAND_2G) 624 return false; 625 626 return true; 627 } 628 629 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 630 struct ieee80211_vif *vif, 631 const u8 *mac_addr) 632 { 633 struct rtw_dev *rtwdev = hw->priv; 634 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 635 636 mutex_lock(&rtwdev->mutex); 637 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, false); 638 mutex_unlock(&rtwdev->mutex); 639 } 640 641 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 642 struct ieee80211_vif *vif) 643 { 644 struct rtw_dev *rtwdev = hw->priv; 645 646 mutex_lock(&rtwdev->mutex); 647 rtw_core_scan_complete(rtwdev, vif, false); 648 mutex_unlock(&rtwdev->mutex); 649 } 650 651 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 652 struct ieee80211_vif *vif, 653 struct ieee80211_prep_tx_info *info) 654 { 655 struct rtw_dev *rtwdev = hw->priv; 656 657 mutex_lock(&rtwdev->mutex); 658 rtw_leave_lps_deep(rtwdev); 659 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 660 rtw_chip_prepare_tx(rtwdev); 661 mutex_unlock(&rtwdev->mutex); 662 } 663 664 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 665 { 666 struct rtw_dev *rtwdev = hw->priv; 667 668 mutex_lock(&rtwdev->mutex); 669 rtwdev->rts_threshold = value; 670 mutex_unlock(&rtwdev->mutex); 671 672 return 0; 673 } 674 675 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 676 struct ieee80211_vif *vif, 677 struct ieee80211_sta *sta, 678 struct station_info *sinfo) 679 { 680 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 681 682 sinfo->txrate = si->ra_report.txrate; 683 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 684 } 685 686 static void rtw_ops_flush(struct ieee80211_hw *hw, 687 struct ieee80211_vif *vif, 688 u32 queues, bool drop) 689 { 690 struct rtw_dev *rtwdev = hw->priv; 691 692 mutex_lock(&rtwdev->mutex); 693 rtw_leave_lps_deep(rtwdev); 694 695 rtw_hci_flush_queues(rtwdev, queues, drop); 696 rtw_mac_flush_queues(rtwdev, queues, drop); 697 mutex_unlock(&rtwdev->mutex); 698 } 699 700 struct rtw_iter_bitrate_mask_data { 701 struct rtw_dev *rtwdev; 702 struct ieee80211_vif *vif; 703 const struct cfg80211_bitrate_mask *mask; 704 }; 705 706 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 707 { 708 struct rtw_iter_bitrate_mask_data *br_data = data; 709 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 710 711 if (si->vif != br_data->vif) 712 return; 713 714 /* free previous mask setting */ 715 kfree(si->mask); 716 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 717 GFP_ATOMIC); 718 if (!si->mask) { 719 si->use_cfg_mask = false; 720 return; 721 } 722 723 si->use_cfg_mask = true; 724 rtw_update_sta_info(br_data->rtwdev, si, true); 725 } 726 727 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 728 struct ieee80211_vif *vif, 729 const struct cfg80211_bitrate_mask *mask) 730 { 731 struct rtw_iter_bitrate_mask_data br_data; 732 733 br_data.rtwdev = rtwdev; 734 br_data.vif = vif; 735 br_data.mask = mask; 736 rtw_iterate_stas_atomic(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 737 } 738 739 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 740 struct ieee80211_vif *vif, 741 const struct cfg80211_bitrate_mask *mask) 742 { 743 struct rtw_dev *rtwdev = hw->priv; 744 745 rtw_ra_mask_info_update(rtwdev, vif, mask); 746 747 return 0; 748 } 749 750 static int rtw_ops_set_antenna(struct ieee80211_hw *hw, 751 u32 tx_antenna, 752 u32 rx_antenna) 753 { 754 struct rtw_dev *rtwdev = hw->priv; 755 struct rtw_chip_info *chip = rtwdev->chip; 756 int ret; 757 758 if (!chip->ops->set_antenna) 759 return -EOPNOTSUPP; 760 761 mutex_lock(&rtwdev->mutex); 762 ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna); 763 mutex_unlock(&rtwdev->mutex); 764 765 return ret; 766 } 767 768 static int rtw_ops_get_antenna(struct ieee80211_hw *hw, 769 u32 *tx_antenna, 770 u32 *rx_antenna) 771 { 772 struct rtw_dev *rtwdev = hw->priv; 773 struct rtw_hal *hal = &rtwdev->hal; 774 775 *tx_antenna = hal->antenna_tx; 776 *rx_antenna = hal->antenna_rx; 777 778 return 0; 779 } 780 781 #ifdef CONFIG_PM 782 static int rtw_ops_suspend(struct ieee80211_hw *hw, 783 struct cfg80211_wowlan *wowlan) 784 { 785 struct rtw_dev *rtwdev = hw->priv; 786 int ret; 787 788 mutex_lock(&rtwdev->mutex); 789 ret = rtw_wow_suspend(rtwdev, wowlan); 790 if (ret) 791 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 792 mutex_unlock(&rtwdev->mutex); 793 794 return ret ? 1 : 0; 795 } 796 797 static int rtw_ops_resume(struct ieee80211_hw *hw) 798 { 799 struct rtw_dev *rtwdev = hw->priv; 800 int ret; 801 802 mutex_lock(&rtwdev->mutex); 803 ret = rtw_wow_resume(rtwdev); 804 if (ret) 805 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 806 mutex_unlock(&rtwdev->mutex); 807 808 return ret ? 1 : 0; 809 } 810 811 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 812 { 813 struct rtw_dev *rtwdev = hw->priv; 814 815 device_set_wakeup_enable(rtwdev->dev, enabled); 816 } 817 #endif 818 819 static void rtw_reconfig_complete(struct ieee80211_hw *hw, 820 enum ieee80211_reconfig_type reconfig_type) 821 { 822 struct rtw_dev *rtwdev = hw->priv; 823 824 mutex_lock(&rtwdev->mutex); 825 if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART) 826 clear_bit(RTW_FLAG_RESTARTING, rtwdev->flags); 827 mutex_unlock(&rtwdev->mutex); 828 } 829 830 static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 831 struct ieee80211_scan_request *req) 832 { 833 struct rtw_dev *rtwdev = hw->priv; 834 int ret; 835 836 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 837 return 1; 838 839 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 840 return -EBUSY; 841 842 mutex_lock(&rtwdev->mutex); 843 rtw_hw_scan_start(rtwdev, vif, req); 844 ret = rtw_hw_scan_offload(rtwdev, vif, true); 845 if (ret) { 846 rtw_hw_scan_abort(rtwdev, vif); 847 rtw_err(rtwdev, "HW scan failed with status: %d\n", ret); 848 } 849 mutex_unlock(&rtwdev->mutex); 850 851 return ret; 852 } 853 854 static void rtw_ops_cancel_hw_scan(struct ieee80211_hw *hw, 855 struct ieee80211_vif *vif) 856 { 857 struct rtw_dev *rtwdev = hw->priv; 858 859 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 860 return; 861 862 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 863 return; 864 865 mutex_lock(&rtwdev->mutex); 866 rtw_hw_scan_abort(rtwdev, vif); 867 mutex_unlock(&rtwdev->mutex); 868 } 869 870 static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw, 871 const struct cfg80211_sar_specs *sar) 872 { 873 struct rtw_dev *rtwdev = hw->priv; 874 875 rtw_set_sar_specs(rtwdev, sar); 876 877 return 0; 878 } 879 880 static void rtw_ops_sta_rc_update(struct ieee80211_hw *hw, 881 struct ieee80211_vif *vif, 882 struct ieee80211_sta *sta, u32 changed) 883 { 884 struct rtw_dev *rtwdev = hw->priv; 885 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 886 887 if (changed & IEEE80211_RC_BW_CHANGED) 888 rtw_update_sta_info(rtwdev, si, true); 889 } 890 891 const struct ieee80211_ops rtw_ops = { 892 .tx = rtw_ops_tx, 893 .wake_tx_queue = rtw_ops_wake_tx_queue, 894 .start = rtw_ops_start, 895 .stop = rtw_ops_stop, 896 .config = rtw_ops_config, 897 .add_interface = rtw_ops_add_interface, 898 .remove_interface = rtw_ops_remove_interface, 899 .change_interface = rtw_ops_change_interface, 900 .configure_filter = rtw_ops_configure_filter, 901 .bss_info_changed = rtw_ops_bss_info_changed, 902 .start_ap = rtw_ops_start_ap, 903 .conf_tx = rtw_ops_conf_tx, 904 .sta_add = rtw_ops_sta_add, 905 .sta_remove = rtw_ops_sta_remove, 906 .set_tim = rtw_ops_set_tim, 907 .set_key = rtw_ops_set_key, 908 .ampdu_action = rtw_ops_ampdu_action, 909 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, 910 .sw_scan_start = rtw_ops_sw_scan_start, 911 .sw_scan_complete = rtw_ops_sw_scan_complete, 912 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 913 .set_rts_threshold = rtw_ops_set_rts_threshold, 914 .sta_statistics = rtw_ops_sta_statistics, 915 .flush = rtw_ops_flush, 916 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 917 .set_antenna = rtw_ops_set_antenna, 918 .get_antenna = rtw_ops_get_antenna, 919 .reconfig_complete = rtw_reconfig_complete, 920 .hw_scan = rtw_ops_hw_scan, 921 .cancel_hw_scan = rtw_ops_cancel_hw_scan, 922 .sta_rc_update = rtw_ops_sta_rc_update, 923 .set_sar_specs = rtw_ops_set_sar_specs, 924 #ifdef CONFIG_PM 925 .suspend = rtw_ops_suspend, 926 .resume = rtw_ops_resume, 927 .set_wakeup = rtw_ops_set_wakeup, 928 #endif 929 }; 930 EXPORT_SYMBOL(rtw_ops); 931