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_CHANNEL) 92 rtw_set_channel(rtwdev); 93 94 if ((changed & IEEE80211_CONF_CHANGE_IDLE) && 95 (hw->conf.flags & IEEE80211_CONF_IDLE) && 96 !test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 97 rtw_enter_ips(rtwdev); 98 99 out: 100 mutex_unlock(&rtwdev->mutex); 101 return ret; 102 } 103 104 static const struct rtw_vif_port rtw_vif_port[] = { 105 [0] = { 106 .mac_addr = {.addr = 0x0610}, 107 .bssid = {.addr = 0x0618}, 108 .net_type = {.addr = 0x0100, .mask = 0x30000}, 109 .aid = {.addr = 0x06a8, .mask = 0x7ff}, 110 .bcn_ctrl = {.addr = 0x0550, .mask = 0xff}, 111 }, 112 [1] = { 113 .mac_addr = {.addr = 0x0700}, 114 .bssid = {.addr = 0x0708}, 115 .net_type = {.addr = 0x0100, .mask = 0xc0000}, 116 .aid = {.addr = 0x0710, .mask = 0x7ff}, 117 .bcn_ctrl = {.addr = 0x0551, .mask = 0xff}, 118 }, 119 [2] = { 120 .mac_addr = {.addr = 0x1620}, 121 .bssid = {.addr = 0x1628}, 122 .net_type = {.addr = 0x1100, .mask = 0x3}, 123 .aid = {.addr = 0x1600, .mask = 0x7ff}, 124 .bcn_ctrl = {.addr = 0x0578, .mask = 0xff}, 125 }, 126 [3] = { 127 .mac_addr = {.addr = 0x1630}, 128 .bssid = {.addr = 0x1638}, 129 .net_type = {.addr = 0x1100, .mask = 0xc}, 130 .aid = {.addr = 0x1604, .mask = 0x7ff}, 131 .bcn_ctrl = {.addr = 0x0579, .mask = 0xff}, 132 }, 133 [4] = { 134 .mac_addr = {.addr = 0x1640}, 135 .bssid = {.addr = 0x1648}, 136 .net_type = {.addr = 0x1100, .mask = 0x30}, 137 .aid = {.addr = 0x1608, .mask = 0x7ff}, 138 .bcn_ctrl = {.addr = 0x057a, .mask = 0xff}, 139 }, 140 }; 141 142 static int rtw_ops_add_interface(struct ieee80211_hw *hw, 143 struct ieee80211_vif *vif) 144 { 145 struct rtw_dev *rtwdev = hw->priv; 146 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 147 enum rtw_net_type net_type; 148 u32 config = 0; 149 u8 port; 150 u8 bcn_ctrl = 0; 151 152 if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 153 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 154 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 155 rtwvif->stats.tx_unicast = 0; 156 rtwvif->stats.rx_unicast = 0; 157 rtwvif->stats.tx_cnt = 0; 158 rtwvif->stats.rx_cnt = 0; 159 rtwvif->scan_req = NULL; 160 memset(&rtwvif->bfee, 0, sizeof(struct rtw_bfee)); 161 rtw_txq_init(rtwdev, vif->txq); 162 INIT_LIST_HEAD(&rtwvif->rsvd_page_list); 163 164 mutex_lock(&rtwdev->mutex); 165 166 port = find_first_zero_bit(rtwdev->hw_port, RTW_PORT_NUM); 167 if (port >= RTW_PORT_NUM) { 168 mutex_unlock(&rtwdev->mutex); 169 return -EINVAL; 170 } 171 set_bit(port, rtwdev->hw_port); 172 173 rtwvif->port = port; 174 rtwvif->conf = &rtw_vif_port[port]; 175 rtw_leave_lps_deep(rtwdev); 176 177 switch (vif->type) { 178 case NL80211_IFTYPE_AP: 179 case NL80211_IFTYPE_MESH_POINT: 180 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 181 net_type = RTW_NET_AP_MODE; 182 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 183 break; 184 case NL80211_IFTYPE_ADHOC: 185 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 186 net_type = RTW_NET_AD_HOC; 187 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 188 break; 189 case NL80211_IFTYPE_STATION: 190 rtw_add_rsvd_page_sta(rtwdev, rtwvif); 191 net_type = RTW_NET_NO_LINK; 192 bcn_ctrl = BIT_EN_BCN_FUNCTION; 193 break; 194 default: 195 WARN_ON(1); 196 clear_bit(rtwvif->port, rtwdev->hw_port); 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 rtw_core_port_switch(rtwdev, vif); 209 rtw_recalc_lps(rtwdev, vif); 210 211 mutex_unlock(&rtwdev->mutex); 212 213 rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %pM on port %d\n", vif->addr, rtwvif->port); 214 return 0; 215 } 216 217 static void rtw_ops_remove_interface(struct ieee80211_hw *hw, 218 struct ieee80211_vif *vif) 219 { 220 struct rtw_dev *rtwdev = hw->priv; 221 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 222 u32 config = 0; 223 224 rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %pM on port %d\n", vif->addr, rtwvif->port); 225 226 mutex_lock(&rtwdev->mutex); 227 228 rtw_leave_lps_deep(rtwdev); 229 230 rtw_txq_cleanup(rtwdev, vif->txq); 231 rtw_remove_rsvd_page(rtwdev, rtwvif); 232 233 eth_zero_addr(rtwvif->mac_addr); 234 config |= PORT_SET_MAC_ADDR; 235 rtwvif->net_type = RTW_NET_NO_LINK; 236 config |= PORT_SET_NET_TYPE; 237 rtwvif->bcn_ctrl = 0; 238 config |= PORT_SET_BCN_CTRL; 239 rtw_vif_port_config(rtwdev, rtwvif, config); 240 clear_bit(rtwvif->port, rtwdev->hw_port); 241 rtw_recalc_lps(rtwdev, NULL); 242 243 mutex_unlock(&rtwdev->mutex); 244 } 245 246 static int rtw_ops_change_interface(struct ieee80211_hw *hw, 247 struct ieee80211_vif *vif, 248 enum nl80211_iftype type, bool p2p) 249 { 250 struct rtw_dev *rtwdev = hw->priv; 251 252 rtw_dbg(rtwdev, RTW_DBG_STATE, "change vif %pM (%d)->(%d), p2p (%d)->(%d)\n", 253 vif->addr, vif->type, type, vif->p2p, p2p); 254 255 rtw_ops_remove_interface(hw, vif); 256 257 vif->type = type; 258 vif->p2p = p2p; 259 260 return rtw_ops_add_interface(hw, vif); 261 } 262 263 static void rtw_ops_configure_filter(struct ieee80211_hw *hw, 264 unsigned int changed_flags, 265 unsigned int *new_flags, 266 u64 multicast) 267 { 268 struct rtw_dev *rtwdev = hw->priv; 269 270 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | 271 FIF_BCN_PRBRESP_PROMISC; 272 273 mutex_lock(&rtwdev->mutex); 274 275 rtw_leave_lps_deep(rtwdev); 276 277 if (changed_flags & FIF_ALLMULTI) { 278 if (*new_flags & FIF_ALLMULTI) 279 rtwdev->hal.rcr |= BIT_AM | BIT_AB; 280 else 281 rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB); 282 } 283 if (changed_flags & FIF_FCSFAIL) { 284 if (*new_flags & FIF_FCSFAIL) 285 rtwdev->hal.rcr |= BIT_ACRC32; 286 else 287 rtwdev->hal.rcr &= ~(BIT_ACRC32); 288 } 289 if (changed_flags & FIF_OTHER_BSS) { 290 if (*new_flags & FIF_OTHER_BSS) 291 rtwdev->hal.rcr |= BIT_AAP; 292 else 293 rtwdev->hal.rcr &= ~(BIT_AAP); 294 } 295 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 296 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 297 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); 298 else 299 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 300 } 301 302 rtw_dbg(rtwdev, RTW_DBG_RX, 303 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", 304 changed_flags, *new_flags, rtwdev->hal.rcr); 305 306 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 307 308 mutex_unlock(&rtwdev->mutex); 309 } 310 311 /* Only have one group of EDCA parameters now */ 312 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { 313 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 314 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 315 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 316 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 317 }; 318 319 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, 320 struct rtw_vif *rtwvif, u8 aifsn) 321 { 322 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 323 u8 slot_time; 324 u8 sifs; 325 326 slot_time = vif->bss_conf.use_short_slot ? 9 : 20; 327 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; 328 329 return aifsn * slot_time + sifs; 330 } 331 332 static void __rtw_conf_tx(struct rtw_dev *rtwdev, 333 struct rtw_vif *rtwvif, u16 ac) 334 { 335 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; 336 u32 edca_param = ac_to_edca_param[ac]; 337 u8 ecw_max, ecw_min; 338 u8 aifs; 339 340 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ 341 ecw_max = ilog2(params->cw_max + 1); 342 ecw_min = ilog2(params->cw_min + 1); 343 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); 344 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); 345 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); 346 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); 347 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); 348 } 349 350 static void rtw_conf_tx(struct rtw_dev *rtwdev, 351 struct rtw_vif *rtwvif) 352 { 353 u16 ac; 354 355 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 356 __rtw_conf_tx(rtwdev, rtwvif, ac); 357 } 358 359 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, 360 struct ieee80211_vif *vif, 361 struct ieee80211_bss_conf *conf, 362 u64 changed) 363 { 364 struct rtw_dev *rtwdev = hw->priv; 365 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 366 struct rtw_coex *coex = &rtwdev->coex; 367 struct rtw_coex_stat *coex_stat = &coex->stat; 368 u32 config = 0; 369 370 mutex_lock(&rtwdev->mutex); 371 372 rtw_leave_lps_deep(rtwdev); 373 374 if (changed & BSS_CHANGED_ASSOC) { 375 rtw_vif_assoc_changed(rtwvif, conf); 376 if (vif->cfg.assoc) { 377 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); 378 379 rtw_fw_download_rsvd_page(rtwdev); 380 rtw_send_rsvd_page_h2c(rtwdev); 381 rtw_coex_media_status_notify(rtwdev, vif->cfg.assoc); 382 if (rtw_bf_support) 383 rtw_bf_assoc(rtwdev, vif, conf); 384 } else { 385 rtw_leave_lps(rtwdev); 386 rtw_bf_disassoc(rtwdev, vif, conf); 387 /* Abort ongoing scan if cancel_scan isn't issued 388 * when disconnected by peer 389 */ 390 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 391 rtw_hw_scan_abort(rtwdev); 392 393 } 394 395 config |= PORT_SET_NET_TYPE; 396 config |= PORT_SET_AID; 397 } 398 399 if (changed & BSS_CHANGED_BSSID) { 400 ether_addr_copy(rtwvif->bssid, conf->bssid); 401 config |= PORT_SET_BSSID; 402 if (!rtw_core_check_sta_active(rtwdev)) 403 rtw_clear_op_chan(rtwdev); 404 else 405 rtw_store_op_chan(rtwdev, true); 406 } 407 408 if (changed & BSS_CHANGED_BEACON_INT) { 409 if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION) 410 coex_stat->wl_beacon_interval = conf->beacon_int; 411 } 412 413 if (changed & BSS_CHANGED_BEACON) { 414 rtw_set_dtim_period(rtwdev, conf->dtim_period); 415 rtw_fw_download_rsvd_page(rtwdev); 416 rtw_send_rsvd_page_h2c(rtwdev); 417 } 418 419 if (changed & BSS_CHANGED_BEACON_ENABLED) { 420 if (conf->enable_beacon) 421 rtw_write32_set(rtwdev, REG_FWHW_TXQ_CTRL, 422 BIT_EN_BCNQ_DL); 423 else 424 rtw_write32_clr(rtwdev, REG_FWHW_TXQ_CTRL, 425 BIT_EN_BCNQ_DL); 426 } 427 if (changed & BSS_CHANGED_CQM) 428 rtw_fw_beacon_filter_config(rtwdev, true, vif); 429 430 if (changed & BSS_CHANGED_MU_GROUPS) 431 rtw_chip_set_gid_table(rtwdev, vif, conf); 432 433 if (changed & BSS_CHANGED_ERP_SLOT) 434 rtw_conf_tx(rtwdev, rtwvif); 435 436 if (changed & BSS_CHANGED_PS) 437 rtw_recalc_lps(rtwdev, NULL); 438 439 rtw_vif_port_config(rtwdev, rtwvif, config); 440 441 mutex_unlock(&rtwdev->mutex); 442 } 443 444 static int rtw_ops_start_ap(struct ieee80211_hw *hw, 445 struct ieee80211_vif *vif, 446 struct ieee80211_bss_conf *link_conf) 447 { 448 struct rtw_dev *rtwdev = hw->priv; 449 const struct rtw_chip_info *chip = rtwdev->chip; 450 451 mutex_lock(&rtwdev->mutex); 452 rtwdev->ap_active = true; 453 rtw_store_op_chan(rtwdev, true); 454 chip->ops->phy_calibration(rtwdev); 455 mutex_unlock(&rtwdev->mutex); 456 457 return 0; 458 } 459 460 static void rtw_ops_stop_ap(struct ieee80211_hw *hw, 461 struct ieee80211_vif *vif, 462 struct ieee80211_bss_conf *link_conf) 463 { 464 struct rtw_dev *rtwdev = hw->priv; 465 466 mutex_lock(&rtwdev->mutex); 467 rtwdev->ap_active = false; 468 if (!rtw_core_check_sta_active(rtwdev)) 469 rtw_clear_op_chan(rtwdev); 470 mutex_unlock(&rtwdev->mutex); 471 } 472 473 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 474 struct ieee80211_vif *vif, 475 unsigned int link_id, u16 ac, 476 const struct ieee80211_tx_queue_params *params) 477 { 478 struct rtw_dev *rtwdev = hw->priv; 479 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 480 481 mutex_lock(&rtwdev->mutex); 482 483 rtw_leave_lps_deep(rtwdev); 484 485 rtwvif->tx_params[ac] = *params; 486 __rtw_conf_tx(rtwdev, rtwvif, ac); 487 488 mutex_unlock(&rtwdev->mutex); 489 490 return 0; 491 } 492 493 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 494 struct ieee80211_vif *vif, 495 struct ieee80211_sta *sta) 496 { 497 struct rtw_dev *rtwdev = hw->priv; 498 int ret = 0; 499 500 mutex_lock(&rtwdev->mutex); 501 ret = rtw_sta_add(rtwdev, sta, vif); 502 mutex_unlock(&rtwdev->mutex); 503 504 return ret; 505 } 506 507 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 508 struct ieee80211_vif *vif, 509 struct ieee80211_sta *sta) 510 { 511 struct rtw_dev *rtwdev = hw->priv; 512 513 mutex_lock(&rtwdev->mutex); 514 rtw_fw_beacon_filter_config(rtwdev, false, vif); 515 rtw_sta_remove(rtwdev, sta, true); 516 mutex_unlock(&rtwdev->mutex); 517 518 return 0; 519 } 520 521 static int rtw_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 522 bool set) 523 { 524 struct rtw_dev *rtwdev = hw->priv; 525 526 ieee80211_queue_work(hw, &rtwdev->update_beacon_work); 527 528 return 0; 529 } 530 531 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 532 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 533 struct ieee80211_key_conf *key) 534 { 535 struct rtw_dev *rtwdev = hw->priv; 536 struct rtw_sec_desc *sec = &rtwdev->sec; 537 u8 hw_key_type; 538 u8 hw_key_idx; 539 int ret = 0; 540 541 switch (key->cipher) { 542 case WLAN_CIPHER_SUITE_WEP40: 543 hw_key_type = RTW_CAM_WEP40; 544 break; 545 case WLAN_CIPHER_SUITE_WEP104: 546 hw_key_type = RTW_CAM_WEP104; 547 break; 548 case WLAN_CIPHER_SUITE_TKIP: 549 hw_key_type = RTW_CAM_TKIP; 550 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 551 break; 552 case WLAN_CIPHER_SUITE_CCMP: 553 hw_key_type = RTW_CAM_AES; 554 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 555 break; 556 case WLAN_CIPHER_SUITE_AES_CMAC: 557 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 558 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 559 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 560 case WLAN_CIPHER_SUITE_CCMP_256: 561 case WLAN_CIPHER_SUITE_GCMP: 562 case WLAN_CIPHER_SUITE_GCMP_256: 563 /* suppress error messages */ 564 return -EOPNOTSUPP; 565 default: 566 return -ENOTSUPP; 567 } 568 569 mutex_lock(&rtwdev->mutex); 570 571 rtw_leave_lps_deep(rtwdev); 572 573 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 574 hw_key_idx = rtw_sec_get_free_cam(sec); 575 } else { 576 /* multiple interfaces? */ 577 hw_key_idx = key->keyidx; 578 } 579 580 if (hw_key_idx > sec->total_cam_num) { 581 ret = -ENOSPC; 582 goto out; 583 } 584 585 switch (cmd) { 586 case SET_KEY: 587 /* need sw generated IV */ 588 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 589 key->hw_key_idx = hw_key_idx; 590 rtw_sec_write_cam(rtwdev, sec, sta, key, 591 hw_key_type, hw_key_idx); 592 break; 593 case DISABLE_KEY: 594 rtw_hci_flush_all_queues(rtwdev, false); 595 rtw_mac_flush_all_queues(rtwdev, false); 596 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 597 break; 598 } 599 600 /* download new cam settings for PG to backup */ 601 if (rtw_get_lps_deep_mode(rtwdev) == LPS_DEEP_MODE_PG) 602 rtw_fw_download_rsvd_page(rtwdev); 603 604 out: 605 mutex_unlock(&rtwdev->mutex); 606 607 return ret; 608 } 609 610 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 611 struct ieee80211_vif *vif, 612 struct ieee80211_ampdu_params *params) 613 { 614 struct ieee80211_sta *sta = params->sta; 615 u16 tid = params->tid; 616 struct ieee80211_txq *txq = sta->txq[tid]; 617 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 618 619 switch (params->action) { 620 case IEEE80211_AMPDU_TX_START: 621 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 622 case IEEE80211_AMPDU_TX_STOP_CONT: 623 case IEEE80211_AMPDU_TX_STOP_FLUSH: 624 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 625 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 626 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 627 break; 628 case IEEE80211_AMPDU_TX_OPERATIONAL: 629 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 630 break; 631 case IEEE80211_AMPDU_RX_START: 632 case IEEE80211_AMPDU_RX_STOP: 633 break; 634 default: 635 WARN_ON(1); 636 return -ENOTSUPP; 637 } 638 639 return 0; 640 } 641 642 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, 643 struct sk_buff *head, 644 struct sk_buff *skb) 645 { 646 struct rtw_dev *rtwdev = hw->priv; 647 struct rtw_hal *hal = &rtwdev->hal; 648 649 /* we don't want to enable TX AMSDU on 2.4G */ 650 if (hal->current_band_type == RTW_BAND_2G) 651 return false; 652 653 return true; 654 } 655 656 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 657 struct ieee80211_vif *vif, 658 const u8 *mac_addr) 659 { 660 struct rtw_dev *rtwdev = hw->priv; 661 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 662 663 mutex_lock(&rtwdev->mutex); 664 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, false); 665 mutex_unlock(&rtwdev->mutex); 666 } 667 668 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 669 struct ieee80211_vif *vif) 670 { 671 struct rtw_dev *rtwdev = hw->priv; 672 673 mutex_lock(&rtwdev->mutex); 674 rtw_core_scan_complete(rtwdev, vif, false); 675 mutex_unlock(&rtwdev->mutex); 676 } 677 678 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 679 struct ieee80211_vif *vif, 680 struct ieee80211_prep_tx_info *info) 681 { 682 struct rtw_dev *rtwdev = hw->priv; 683 684 mutex_lock(&rtwdev->mutex); 685 rtw_leave_lps_deep(rtwdev); 686 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 687 rtw_chip_prepare_tx(rtwdev); 688 mutex_unlock(&rtwdev->mutex); 689 } 690 691 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 692 { 693 struct rtw_dev *rtwdev = hw->priv; 694 695 mutex_lock(&rtwdev->mutex); 696 rtwdev->rts_threshold = value; 697 mutex_unlock(&rtwdev->mutex); 698 699 return 0; 700 } 701 702 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 703 struct ieee80211_vif *vif, 704 struct ieee80211_sta *sta, 705 struct station_info *sinfo) 706 { 707 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 708 709 sinfo->txrate = si->ra_report.txrate; 710 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 711 } 712 713 static void rtw_ops_flush(struct ieee80211_hw *hw, 714 struct ieee80211_vif *vif, 715 u32 queues, bool drop) 716 { 717 struct rtw_dev *rtwdev = hw->priv; 718 719 mutex_lock(&rtwdev->mutex); 720 rtw_leave_lps_deep(rtwdev); 721 722 rtw_hci_flush_queues(rtwdev, queues, drop); 723 rtw_mac_flush_queues(rtwdev, queues, drop); 724 mutex_unlock(&rtwdev->mutex); 725 } 726 727 struct rtw_iter_bitrate_mask_data { 728 struct rtw_dev *rtwdev; 729 struct ieee80211_vif *vif; 730 const struct cfg80211_bitrate_mask *mask; 731 }; 732 733 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 734 { 735 struct rtw_iter_bitrate_mask_data *br_data = data; 736 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 737 738 if (si->vif != br_data->vif) 739 return; 740 741 /* free previous mask setting */ 742 kfree(si->mask); 743 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 744 GFP_ATOMIC); 745 if (!si->mask) { 746 si->use_cfg_mask = false; 747 return; 748 } 749 750 si->use_cfg_mask = true; 751 rtw_update_sta_info(br_data->rtwdev, si, true); 752 } 753 754 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 755 struct ieee80211_vif *vif, 756 const struct cfg80211_bitrate_mask *mask) 757 { 758 struct rtw_iter_bitrate_mask_data br_data; 759 760 br_data.rtwdev = rtwdev; 761 br_data.vif = vif; 762 br_data.mask = mask; 763 rtw_iterate_stas(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 764 } 765 766 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 767 struct ieee80211_vif *vif, 768 const struct cfg80211_bitrate_mask *mask) 769 { 770 struct rtw_dev *rtwdev = hw->priv; 771 772 mutex_lock(&rtwdev->mutex); 773 rtw_ra_mask_info_update(rtwdev, vif, mask); 774 mutex_unlock(&rtwdev->mutex); 775 776 return 0; 777 } 778 779 static int rtw_ops_set_antenna(struct ieee80211_hw *hw, 780 u32 tx_antenna, 781 u32 rx_antenna) 782 { 783 struct rtw_dev *rtwdev = hw->priv; 784 const struct rtw_chip_info *chip = rtwdev->chip; 785 int ret; 786 787 if (!chip->ops->set_antenna) 788 return -EOPNOTSUPP; 789 790 mutex_lock(&rtwdev->mutex); 791 ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna); 792 mutex_unlock(&rtwdev->mutex); 793 794 return ret; 795 } 796 797 static int rtw_ops_get_antenna(struct ieee80211_hw *hw, 798 u32 *tx_antenna, 799 u32 *rx_antenna) 800 { 801 struct rtw_dev *rtwdev = hw->priv; 802 struct rtw_hal *hal = &rtwdev->hal; 803 804 *tx_antenna = hal->antenna_tx; 805 *rx_antenna = hal->antenna_rx; 806 807 return 0; 808 } 809 810 #ifdef CONFIG_PM 811 static int rtw_ops_suspend(struct ieee80211_hw *hw, 812 struct cfg80211_wowlan *wowlan) 813 { 814 struct rtw_dev *rtwdev = hw->priv; 815 int ret; 816 817 mutex_lock(&rtwdev->mutex); 818 ret = rtw_wow_suspend(rtwdev, wowlan); 819 if (ret) 820 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 821 mutex_unlock(&rtwdev->mutex); 822 823 return ret ? 1 : 0; 824 } 825 826 static int rtw_ops_resume(struct ieee80211_hw *hw) 827 { 828 struct rtw_dev *rtwdev = hw->priv; 829 int ret; 830 831 mutex_lock(&rtwdev->mutex); 832 ret = rtw_wow_resume(rtwdev); 833 if (ret) 834 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 835 mutex_unlock(&rtwdev->mutex); 836 837 return ret ? 1 : 0; 838 } 839 840 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 841 { 842 struct rtw_dev *rtwdev = hw->priv; 843 844 device_set_wakeup_enable(rtwdev->dev, enabled); 845 } 846 #endif 847 848 static void rtw_reconfig_complete(struct ieee80211_hw *hw, 849 enum ieee80211_reconfig_type reconfig_type) 850 { 851 struct rtw_dev *rtwdev = hw->priv; 852 853 mutex_lock(&rtwdev->mutex); 854 if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART) 855 clear_bit(RTW_FLAG_RESTARTING, rtwdev->flags); 856 mutex_unlock(&rtwdev->mutex); 857 } 858 859 static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 860 struct ieee80211_scan_request *req) 861 { 862 struct rtw_dev *rtwdev = hw->priv; 863 int ret; 864 865 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 866 return 1; 867 868 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 869 return -EBUSY; 870 871 mutex_lock(&rtwdev->mutex); 872 rtw_hw_scan_start(rtwdev, vif, req); 873 ret = rtw_hw_scan_offload(rtwdev, vif, true); 874 if (ret) { 875 rtw_hw_scan_abort(rtwdev); 876 rtw_err(rtwdev, "HW scan failed with status: %d\n", ret); 877 } 878 mutex_unlock(&rtwdev->mutex); 879 880 return ret; 881 } 882 883 static void rtw_ops_cancel_hw_scan(struct ieee80211_hw *hw, 884 struct ieee80211_vif *vif) 885 { 886 struct rtw_dev *rtwdev = hw->priv; 887 888 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 889 return; 890 891 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 892 return; 893 894 mutex_lock(&rtwdev->mutex); 895 rtw_hw_scan_abort(rtwdev); 896 mutex_unlock(&rtwdev->mutex); 897 } 898 899 static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw, 900 const struct cfg80211_sar_specs *sar) 901 { 902 struct rtw_dev *rtwdev = hw->priv; 903 904 mutex_lock(&rtwdev->mutex); 905 rtw_set_sar_specs(rtwdev, sar); 906 mutex_unlock(&rtwdev->mutex); 907 908 return 0; 909 } 910 911 static void rtw_ops_sta_rc_update(struct ieee80211_hw *hw, 912 struct ieee80211_vif *vif, 913 struct ieee80211_sta *sta, u32 changed) 914 { 915 struct rtw_dev *rtwdev = hw->priv; 916 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 917 918 if (changed & IEEE80211_RC_BW_CHANGED) 919 ieee80211_queue_work(rtwdev->hw, &si->rc_work); 920 } 921 922 const struct ieee80211_ops rtw_ops = { 923 .tx = rtw_ops_tx, 924 .wake_tx_queue = rtw_ops_wake_tx_queue, 925 .start = rtw_ops_start, 926 .stop = rtw_ops_stop, 927 .config = rtw_ops_config, 928 .add_interface = rtw_ops_add_interface, 929 .remove_interface = rtw_ops_remove_interface, 930 .change_interface = rtw_ops_change_interface, 931 .configure_filter = rtw_ops_configure_filter, 932 .bss_info_changed = rtw_ops_bss_info_changed, 933 .start_ap = rtw_ops_start_ap, 934 .stop_ap = rtw_ops_stop_ap, 935 .conf_tx = rtw_ops_conf_tx, 936 .sta_add = rtw_ops_sta_add, 937 .sta_remove = rtw_ops_sta_remove, 938 .set_tim = rtw_ops_set_tim, 939 .set_key = rtw_ops_set_key, 940 .ampdu_action = rtw_ops_ampdu_action, 941 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, 942 .sw_scan_start = rtw_ops_sw_scan_start, 943 .sw_scan_complete = rtw_ops_sw_scan_complete, 944 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 945 .set_rts_threshold = rtw_ops_set_rts_threshold, 946 .sta_statistics = rtw_ops_sta_statistics, 947 .flush = rtw_ops_flush, 948 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 949 .set_antenna = rtw_ops_set_antenna, 950 .get_antenna = rtw_ops_get_antenna, 951 .reconfig_complete = rtw_reconfig_complete, 952 .hw_scan = rtw_ops_hw_scan, 953 .cancel_hw_scan = rtw_ops_cancel_hw_scan, 954 .sta_rc_update = rtw_ops_sta_rc_update, 955 .set_sar_specs = rtw_ops_set_sar_specs, 956 #ifdef CONFIG_PM 957 .suspend = rtw_ops_suspend, 958 .resume = rtw_ops_resume, 959 .set_wakeup = rtw_ops_set_wakeup, 960 #endif 961 }; 962 EXPORT_SYMBOL(rtw_ops); 963