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 !test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 106 rtw_enter_ips(rtwdev); 107 108 out: 109 mutex_unlock(&rtwdev->mutex); 110 return ret; 111 } 112 113 static const struct rtw_vif_port rtw_vif_port[] = { 114 [0] = { 115 .mac_addr = {.addr = 0x0610}, 116 .bssid = {.addr = 0x0618}, 117 .net_type = {.addr = 0x0100, .mask = 0x30000}, 118 .aid = {.addr = 0x06a8, .mask = 0x7ff}, 119 .bcn_ctrl = {.addr = 0x0550, .mask = 0xff}, 120 }, 121 [1] = { 122 .mac_addr = {.addr = 0x0700}, 123 .bssid = {.addr = 0x0708}, 124 .net_type = {.addr = 0x0100, .mask = 0xc0000}, 125 .aid = {.addr = 0x0710, .mask = 0x7ff}, 126 .bcn_ctrl = {.addr = 0x0551, .mask = 0xff}, 127 }, 128 [2] = { 129 .mac_addr = {.addr = 0x1620}, 130 .bssid = {.addr = 0x1628}, 131 .net_type = {.addr = 0x1100, .mask = 0x3}, 132 .aid = {.addr = 0x1600, .mask = 0x7ff}, 133 .bcn_ctrl = {.addr = 0x0578, .mask = 0xff}, 134 }, 135 [3] = { 136 .mac_addr = {.addr = 0x1630}, 137 .bssid = {.addr = 0x1638}, 138 .net_type = {.addr = 0x1100, .mask = 0xc}, 139 .aid = {.addr = 0x1604, .mask = 0x7ff}, 140 .bcn_ctrl = {.addr = 0x0579, .mask = 0xff}, 141 }, 142 [4] = { 143 .mac_addr = {.addr = 0x1640}, 144 .bssid = {.addr = 0x1648}, 145 .net_type = {.addr = 0x1100, .mask = 0x30}, 146 .aid = {.addr = 0x1608, .mask = 0x7ff}, 147 .bcn_ctrl = {.addr = 0x057a, .mask = 0xff}, 148 }, 149 }; 150 151 static int rtw_ops_add_interface(struct ieee80211_hw *hw, 152 struct ieee80211_vif *vif) 153 { 154 struct rtw_dev *rtwdev = hw->priv; 155 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 156 enum rtw_net_type net_type; 157 u32 config = 0; 158 u8 port; 159 u8 bcn_ctrl = 0; 160 161 if (rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 162 vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 163 IEEE80211_VIF_SUPPORTS_CQM_RSSI; 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 rtw_txq_init(rtwdev, vif->txq); 171 INIT_LIST_HEAD(&rtwvif->rsvd_page_list); 172 173 mutex_lock(&rtwdev->mutex); 174 175 port = find_first_zero_bit(rtwdev->hw_port, RTW_PORT_NUM); 176 if (port >= RTW_PORT_NUM) { 177 mutex_unlock(&rtwdev->mutex); 178 return -EINVAL; 179 } 180 set_bit(port, rtwdev->hw_port); 181 182 rtwvif->port = port; 183 rtwvif->conf = &rtw_vif_port[port]; 184 rtw_leave_lps_deep(rtwdev); 185 186 switch (vif->type) { 187 case NL80211_IFTYPE_AP: 188 case NL80211_IFTYPE_MESH_POINT: 189 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 190 net_type = RTW_NET_AP_MODE; 191 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 192 break; 193 case NL80211_IFTYPE_ADHOC: 194 rtw_add_rsvd_page_bcn(rtwdev, rtwvif); 195 net_type = RTW_NET_AD_HOC; 196 bcn_ctrl = BIT_EN_BCN_FUNCTION | BIT_DIS_TSF_UDT; 197 break; 198 case NL80211_IFTYPE_STATION: 199 rtw_add_rsvd_page_sta(rtwdev, rtwvif); 200 net_type = RTW_NET_NO_LINK; 201 bcn_ctrl = BIT_EN_BCN_FUNCTION; 202 break; 203 default: 204 WARN_ON(1); 205 clear_bit(rtwvif->port, rtwdev->hw_port); 206 mutex_unlock(&rtwdev->mutex); 207 return -EINVAL; 208 } 209 210 ether_addr_copy(rtwvif->mac_addr, vif->addr); 211 config |= PORT_SET_MAC_ADDR; 212 rtwvif->net_type = net_type; 213 config |= PORT_SET_NET_TYPE; 214 rtwvif->bcn_ctrl = bcn_ctrl; 215 config |= PORT_SET_BCN_CTRL; 216 rtw_vif_port_config(rtwdev, rtwvif, config); 217 rtw_core_port_switch(rtwdev, vif); 218 219 mutex_unlock(&rtwdev->mutex); 220 221 rtw_dbg(rtwdev, RTW_DBG_STATE, "start vif %pM on port %d\n", vif->addr, rtwvif->port); 222 return 0; 223 } 224 225 static void rtw_ops_remove_interface(struct ieee80211_hw *hw, 226 struct ieee80211_vif *vif) 227 { 228 struct rtw_dev *rtwdev = hw->priv; 229 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 230 u32 config = 0; 231 232 rtw_dbg(rtwdev, RTW_DBG_STATE, "stop vif %pM on port %d\n", vif->addr, rtwvif->port); 233 234 mutex_lock(&rtwdev->mutex); 235 236 rtw_leave_lps_deep(rtwdev); 237 238 rtw_txq_cleanup(rtwdev, vif->txq); 239 rtw_remove_rsvd_page(rtwdev, rtwvif); 240 241 eth_zero_addr(rtwvif->mac_addr); 242 config |= PORT_SET_MAC_ADDR; 243 rtwvif->net_type = RTW_NET_NO_LINK; 244 config |= PORT_SET_NET_TYPE; 245 rtwvif->bcn_ctrl = 0; 246 config |= PORT_SET_BCN_CTRL; 247 rtw_vif_port_config(rtwdev, rtwvif, config); 248 clear_bit(rtwvif->port, rtwdev->hw_port); 249 250 mutex_unlock(&rtwdev->mutex); 251 } 252 253 static int rtw_ops_change_interface(struct ieee80211_hw *hw, 254 struct ieee80211_vif *vif, 255 enum nl80211_iftype type, bool p2p) 256 { 257 struct rtw_dev *rtwdev = hw->priv; 258 259 rtw_dbg(rtwdev, RTW_DBG_STATE, "change vif %pM (%d)->(%d), p2p (%d)->(%d)\n", 260 vif->addr, vif->type, type, vif->p2p, p2p); 261 262 rtw_ops_remove_interface(hw, vif); 263 264 vif->type = type; 265 vif->p2p = p2p; 266 267 return rtw_ops_add_interface(hw, vif); 268 } 269 270 static void rtw_ops_configure_filter(struct ieee80211_hw *hw, 271 unsigned int changed_flags, 272 unsigned int *new_flags, 273 u64 multicast) 274 { 275 struct rtw_dev *rtwdev = hw->priv; 276 277 *new_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_FCSFAIL | 278 FIF_BCN_PRBRESP_PROMISC; 279 280 mutex_lock(&rtwdev->mutex); 281 282 rtw_leave_lps_deep(rtwdev); 283 284 if (changed_flags & FIF_ALLMULTI) { 285 if (*new_flags & FIF_ALLMULTI) 286 rtwdev->hal.rcr |= BIT_AM | BIT_AB; 287 else 288 rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB); 289 } 290 if (changed_flags & FIF_FCSFAIL) { 291 if (*new_flags & FIF_FCSFAIL) 292 rtwdev->hal.rcr |= BIT_ACRC32; 293 else 294 rtwdev->hal.rcr &= ~(BIT_ACRC32); 295 } 296 if (changed_flags & FIF_OTHER_BSS) { 297 if (*new_flags & FIF_OTHER_BSS) 298 rtwdev->hal.rcr |= BIT_AAP; 299 else 300 rtwdev->hal.rcr &= ~(BIT_AAP); 301 } 302 if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 303 if (*new_flags & FIF_BCN_PRBRESP_PROMISC) 304 rtwdev->hal.rcr &= ~(BIT_CBSSID_BCN | BIT_CBSSID_DATA); 305 else 306 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 307 } 308 309 rtw_dbg(rtwdev, RTW_DBG_RX, 310 "config rx filter, changed=0x%08x, new=0x%08x, rcr=0x%08x\n", 311 changed_flags, *new_flags, rtwdev->hal.rcr); 312 313 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 314 315 mutex_unlock(&rtwdev->mutex); 316 } 317 318 /* Only have one group of EDCA parameters now */ 319 static const u32 ac_to_edca_param[IEEE80211_NUM_ACS] = { 320 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 321 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 322 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 323 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 324 }; 325 326 static u8 rtw_aifsn_to_aifs(struct rtw_dev *rtwdev, 327 struct rtw_vif *rtwvif, u8 aifsn) 328 { 329 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 330 u8 slot_time; 331 u8 sifs; 332 333 slot_time = vif->bss_conf.use_short_slot ? 9 : 20; 334 sifs = rtwdev->hal.current_band_type == RTW_BAND_5G ? 16 : 10; 335 336 return aifsn * slot_time + sifs; 337 } 338 339 static void __rtw_conf_tx(struct rtw_dev *rtwdev, 340 struct rtw_vif *rtwvif, u16 ac) 341 { 342 struct ieee80211_tx_queue_params *params = &rtwvif->tx_params[ac]; 343 u32 edca_param = ac_to_edca_param[ac]; 344 u8 ecw_max, ecw_min; 345 u8 aifs; 346 347 /* 2^ecw - 1 = cw; ecw = log2(cw + 1) */ 348 ecw_max = ilog2(params->cw_max + 1); 349 ecw_min = ilog2(params->cw_min + 1); 350 aifs = rtw_aifsn_to_aifs(rtwdev, rtwvif, params->aifs); 351 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_TXOP_LMT, params->txop); 352 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMAX, ecw_max); 353 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_CWMIN, ecw_min); 354 rtw_write32_mask(rtwdev, edca_param, BIT_MASK_AIFS, aifs); 355 } 356 357 static void rtw_conf_tx(struct rtw_dev *rtwdev, 358 struct rtw_vif *rtwvif) 359 { 360 u16 ac; 361 362 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) 363 __rtw_conf_tx(rtwdev, rtwvif, ac); 364 } 365 366 static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw, 367 struct ieee80211_vif *vif, 368 struct ieee80211_bss_conf *conf, 369 u64 changed) 370 { 371 struct rtw_dev *rtwdev = hw->priv; 372 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 373 struct rtw_coex *coex = &rtwdev->coex; 374 struct rtw_coex_stat *coex_stat = &coex->stat; 375 u32 config = 0; 376 377 mutex_lock(&rtwdev->mutex); 378 379 rtw_leave_lps_deep(rtwdev); 380 381 if (changed & BSS_CHANGED_ASSOC) { 382 rtw_vif_assoc_changed(rtwvif, conf); 383 if (vif->cfg.assoc) { 384 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH); 385 386 rtw_fw_download_rsvd_page(rtwdev); 387 rtw_send_rsvd_page_h2c(rtwdev); 388 rtw_coex_media_status_notify(rtwdev, vif->cfg.assoc); 389 if (rtw_bf_support) 390 rtw_bf_assoc(rtwdev, vif, conf); 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); 399 400 } 401 402 config |= PORT_SET_NET_TYPE; 403 config |= PORT_SET_AID; 404 } 405 406 if (changed & BSS_CHANGED_BSSID) { 407 ether_addr_copy(rtwvif->bssid, conf->bssid); 408 config |= PORT_SET_BSSID; 409 if (!rtw_core_check_sta_active(rtwdev)) 410 rtw_clear_op_chan(rtwdev); 411 else 412 rtw_store_op_chan(rtwdev, true); 413 } 414 415 if (changed & BSS_CHANGED_BEACON_INT) { 416 if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION) 417 coex_stat->wl_beacon_interval = conf->beacon_int; 418 } 419 420 if (changed & BSS_CHANGED_BEACON) { 421 rtw_set_dtim_period(rtwdev, conf->dtim_period); 422 rtw_fw_download_rsvd_page(rtwdev); 423 rtw_send_rsvd_page_h2c(rtwdev); 424 } 425 426 if (changed & BSS_CHANGED_BEACON_ENABLED) { 427 if (conf->enable_beacon) 428 rtw_write32_set(rtwdev, REG_FWHW_TXQ_CTRL, 429 BIT_EN_BCNQ_DL); 430 else 431 rtw_write32_clr(rtwdev, REG_FWHW_TXQ_CTRL, 432 BIT_EN_BCNQ_DL); 433 } 434 if (changed & BSS_CHANGED_CQM) 435 rtw_fw_beacon_filter_config(rtwdev, true, vif); 436 437 if (changed & BSS_CHANGED_MU_GROUPS) 438 rtw_chip_set_gid_table(rtwdev, vif, conf); 439 440 if (changed & BSS_CHANGED_ERP_SLOT) 441 rtw_conf_tx(rtwdev, rtwvif); 442 443 rtw_vif_port_config(rtwdev, rtwvif, config); 444 445 mutex_unlock(&rtwdev->mutex); 446 } 447 448 static int rtw_ops_start_ap(struct ieee80211_hw *hw, 449 struct ieee80211_vif *vif, 450 struct ieee80211_bss_conf *link_conf) 451 { 452 struct rtw_dev *rtwdev = hw->priv; 453 const struct rtw_chip_info *chip = rtwdev->chip; 454 455 mutex_lock(&rtwdev->mutex); 456 rtwdev->ap_active = true; 457 rtw_store_op_chan(rtwdev, true); 458 chip->ops->phy_calibration(rtwdev); 459 mutex_unlock(&rtwdev->mutex); 460 461 return 0; 462 } 463 464 static void rtw_ops_stop_ap(struct ieee80211_hw *hw, 465 struct ieee80211_vif *vif, 466 struct ieee80211_bss_conf *link_conf) 467 { 468 struct rtw_dev *rtwdev = hw->priv; 469 470 mutex_lock(&rtwdev->mutex); 471 rtwdev->ap_active = false; 472 if (!rtw_core_check_sta_active(rtwdev)) 473 rtw_clear_op_chan(rtwdev); 474 mutex_unlock(&rtwdev->mutex); 475 } 476 477 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 478 struct ieee80211_vif *vif, 479 unsigned int link_id, u16 ac, 480 const struct ieee80211_tx_queue_params *params) 481 { 482 struct rtw_dev *rtwdev = hw->priv; 483 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 484 485 mutex_lock(&rtwdev->mutex); 486 487 rtw_leave_lps_deep(rtwdev); 488 489 rtwvif->tx_params[ac] = *params; 490 __rtw_conf_tx(rtwdev, rtwvif, ac); 491 492 mutex_unlock(&rtwdev->mutex); 493 494 return 0; 495 } 496 497 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 498 struct ieee80211_vif *vif, 499 struct ieee80211_sta *sta) 500 { 501 struct rtw_dev *rtwdev = hw->priv; 502 int ret = 0; 503 504 mutex_lock(&rtwdev->mutex); 505 ret = rtw_sta_add(rtwdev, sta, vif); 506 mutex_unlock(&rtwdev->mutex); 507 508 return ret; 509 } 510 511 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 512 struct ieee80211_vif *vif, 513 struct ieee80211_sta *sta) 514 { 515 struct rtw_dev *rtwdev = hw->priv; 516 517 mutex_lock(&rtwdev->mutex); 518 rtw_fw_beacon_filter_config(rtwdev, false, vif); 519 rtw_sta_remove(rtwdev, sta, true); 520 mutex_unlock(&rtwdev->mutex); 521 522 return 0; 523 } 524 525 static int rtw_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 526 bool set) 527 { 528 struct rtw_dev *rtwdev = hw->priv; 529 530 ieee80211_queue_work(hw, &rtwdev->update_beacon_work); 531 532 return 0; 533 } 534 535 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 536 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 537 struct ieee80211_key_conf *key) 538 { 539 struct rtw_dev *rtwdev = hw->priv; 540 struct rtw_sec_desc *sec = &rtwdev->sec; 541 u8 hw_key_type; 542 u8 hw_key_idx; 543 int ret = 0; 544 545 switch (key->cipher) { 546 case WLAN_CIPHER_SUITE_WEP40: 547 hw_key_type = RTW_CAM_WEP40; 548 break; 549 case WLAN_CIPHER_SUITE_WEP104: 550 hw_key_type = RTW_CAM_WEP104; 551 break; 552 case WLAN_CIPHER_SUITE_TKIP: 553 hw_key_type = RTW_CAM_TKIP; 554 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 555 break; 556 case WLAN_CIPHER_SUITE_CCMP: 557 hw_key_type = RTW_CAM_AES; 558 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 559 break; 560 case WLAN_CIPHER_SUITE_AES_CMAC: 561 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 562 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 563 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 564 case WLAN_CIPHER_SUITE_CCMP_256: 565 case WLAN_CIPHER_SUITE_GCMP: 566 case WLAN_CIPHER_SUITE_GCMP_256: 567 /* suppress error messages */ 568 return -EOPNOTSUPP; 569 default: 570 return -ENOTSUPP; 571 } 572 573 mutex_lock(&rtwdev->mutex); 574 575 rtw_leave_lps_deep(rtwdev); 576 577 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 578 hw_key_idx = rtw_sec_get_free_cam(sec); 579 } else { 580 /* multiple interfaces? */ 581 hw_key_idx = key->keyidx; 582 } 583 584 if (hw_key_idx > sec->total_cam_num) { 585 ret = -ENOSPC; 586 goto out; 587 } 588 589 switch (cmd) { 590 case SET_KEY: 591 /* need sw generated IV */ 592 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 593 key->hw_key_idx = hw_key_idx; 594 rtw_sec_write_cam(rtwdev, sec, sta, key, 595 hw_key_type, hw_key_idx); 596 break; 597 case DISABLE_KEY: 598 rtw_hci_flush_all_queues(rtwdev, false); 599 rtw_mac_flush_all_queues(rtwdev, false); 600 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 601 break; 602 } 603 604 /* download new cam settings for PG to backup */ 605 if (rtw_get_lps_deep_mode(rtwdev) == LPS_DEEP_MODE_PG) 606 rtw_fw_download_rsvd_page(rtwdev); 607 608 out: 609 mutex_unlock(&rtwdev->mutex); 610 611 return ret; 612 } 613 614 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 615 struct ieee80211_vif *vif, 616 struct ieee80211_ampdu_params *params) 617 { 618 struct ieee80211_sta *sta = params->sta; 619 u16 tid = params->tid; 620 struct ieee80211_txq *txq = sta->txq[tid]; 621 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 622 623 switch (params->action) { 624 case IEEE80211_AMPDU_TX_START: 625 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 626 case IEEE80211_AMPDU_TX_STOP_CONT: 627 case IEEE80211_AMPDU_TX_STOP_FLUSH: 628 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 629 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 630 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 631 break; 632 case IEEE80211_AMPDU_TX_OPERATIONAL: 633 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 634 break; 635 case IEEE80211_AMPDU_RX_START: 636 case IEEE80211_AMPDU_RX_STOP: 637 break; 638 default: 639 WARN_ON(1); 640 return -ENOTSUPP; 641 } 642 643 return 0; 644 } 645 646 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, 647 struct sk_buff *head, 648 struct sk_buff *skb) 649 { 650 struct rtw_dev *rtwdev = hw->priv; 651 struct rtw_hal *hal = &rtwdev->hal; 652 653 /* we don't want to enable TX AMSDU on 2.4G */ 654 if (hal->current_band_type == RTW_BAND_2G) 655 return false; 656 657 return true; 658 } 659 660 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 661 struct ieee80211_vif *vif, 662 const u8 *mac_addr) 663 { 664 struct rtw_dev *rtwdev = hw->priv; 665 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 666 667 mutex_lock(&rtwdev->mutex); 668 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, false); 669 mutex_unlock(&rtwdev->mutex); 670 } 671 672 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 673 struct ieee80211_vif *vif) 674 { 675 struct rtw_dev *rtwdev = hw->priv; 676 677 mutex_lock(&rtwdev->mutex); 678 rtw_core_scan_complete(rtwdev, vif, false); 679 mutex_unlock(&rtwdev->mutex); 680 } 681 682 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 683 struct ieee80211_vif *vif, 684 struct ieee80211_prep_tx_info *info) 685 { 686 struct rtw_dev *rtwdev = hw->priv; 687 688 mutex_lock(&rtwdev->mutex); 689 rtw_leave_lps_deep(rtwdev); 690 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 691 rtw_chip_prepare_tx(rtwdev); 692 mutex_unlock(&rtwdev->mutex); 693 } 694 695 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 696 { 697 struct rtw_dev *rtwdev = hw->priv; 698 699 mutex_lock(&rtwdev->mutex); 700 rtwdev->rts_threshold = value; 701 mutex_unlock(&rtwdev->mutex); 702 703 return 0; 704 } 705 706 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 707 struct ieee80211_vif *vif, 708 struct ieee80211_sta *sta, 709 struct station_info *sinfo) 710 { 711 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 712 713 sinfo->txrate = si->ra_report.txrate; 714 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 715 } 716 717 static void rtw_ops_flush(struct ieee80211_hw *hw, 718 struct ieee80211_vif *vif, 719 u32 queues, bool drop) 720 { 721 struct rtw_dev *rtwdev = hw->priv; 722 723 mutex_lock(&rtwdev->mutex); 724 rtw_leave_lps_deep(rtwdev); 725 726 rtw_hci_flush_queues(rtwdev, queues, drop); 727 rtw_mac_flush_queues(rtwdev, queues, drop); 728 mutex_unlock(&rtwdev->mutex); 729 } 730 731 struct rtw_iter_bitrate_mask_data { 732 struct rtw_dev *rtwdev; 733 struct ieee80211_vif *vif; 734 const struct cfg80211_bitrate_mask *mask; 735 }; 736 737 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 738 { 739 struct rtw_iter_bitrate_mask_data *br_data = data; 740 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 741 742 if (si->vif != br_data->vif) 743 return; 744 745 /* free previous mask setting */ 746 kfree(si->mask); 747 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 748 GFP_ATOMIC); 749 if (!si->mask) { 750 si->use_cfg_mask = false; 751 return; 752 } 753 754 si->use_cfg_mask = true; 755 rtw_update_sta_info(br_data->rtwdev, si, true); 756 } 757 758 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 759 struct ieee80211_vif *vif, 760 const struct cfg80211_bitrate_mask *mask) 761 { 762 struct rtw_iter_bitrate_mask_data br_data; 763 764 br_data.rtwdev = rtwdev; 765 br_data.vif = vif; 766 br_data.mask = mask; 767 rtw_iterate_stas(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 768 } 769 770 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 771 struct ieee80211_vif *vif, 772 const struct cfg80211_bitrate_mask *mask) 773 { 774 struct rtw_dev *rtwdev = hw->priv; 775 776 mutex_lock(&rtwdev->mutex); 777 rtw_ra_mask_info_update(rtwdev, vif, mask); 778 mutex_unlock(&rtwdev->mutex); 779 780 return 0; 781 } 782 783 static int rtw_ops_set_antenna(struct ieee80211_hw *hw, 784 u32 tx_antenna, 785 u32 rx_antenna) 786 { 787 struct rtw_dev *rtwdev = hw->priv; 788 const struct rtw_chip_info *chip = rtwdev->chip; 789 int ret; 790 791 if (!chip->ops->set_antenna) 792 return -EOPNOTSUPP; 793 794 mutex_lock(&rtwdev->mutex); 795 ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna); 796 mutex_unlock(&rtwdev->mutex); 797 798 return ret; 799 } 800 801 static int rtw_ops_get_antenna(struct ieee80211_hw *hw, 802 u32 *tx_antenna, 803 u32 *rx_antenna) 804 { 805 struct rtw_dev *rtwdev = hw->priv; 806 struct rtw_hal *hal = &rtwdev->hal; 807 808 *tx_antenna = hal->antenna_tx; 809 *rx_antenna = hal->antenna_rx; 810 811 return 0; 812 } 813 814 #ifdef CONFIG_PM 815 static int rtw_ops_suspend(struct ieee80211_hw *hw, 816 struct cfg80211_wowlan *wowlan) 817 { 818 struct rtw_dev *rtwdev = hw->priv; 819 int ret; 820 821 mutex_lock(&rtwdev->mutex); 822 ret = rtw_wow_suspend(rtwdev, wowlan); 823 if (ret) 824 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 825 mutex_unlock(&rtwdev->mutex); 826 827 return ret ? 1 : 0; 828 } 829 830 static int rtw_ops_resume(struct ieee80211_hw *hw) 831 { 832 struct rtw_dev *rtwdev = hw->priv; 833 int ret; 834 835 mutex_lock(&rtwdev->mutex); 836 ret = rtw_wow_resume(rtwdev); 837 if (ret) 838 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 839 mutex_unlock(&rtwdev->mutex); 840 841 return ret ? 1 : 0; 842 } 843 844 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 845 { 846 struct rtw_dev *rtwdev = hw->priv; 847 848 device_set_wakeup_enable(rtwdev->dev, enabled); 849 } 850 #endif 851 852 static void rtw_reconfig_complete(struct ieee80211_hw *hw, 853 enum ieee80211_reconfig_type reconfig_type) 854 { 855 struct rtw_dev *rtwdev = hw->priv; 856 857 mutex_lock(&rtwdev->mutex); 858 if (reconfig_type == IEEE80211_RECONFIG_TYPE_RESTART) 859 clear_bit(RTW_FLAG_RESTARTING, rtwdev->flags); 860 mutex_unlock(&rtwdev->mutex); 861 } 862 863 static int rtw_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 864 struct ieee80211_scan_request *req) 865 { 866 struct rtw_dev *rtwdev = hw->priv; 867 int ret; 868 869 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 870 return 1; 871 872 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 873 return -EBUSY; 874 875 mutex_lock(&rtwdev->mutex); 876 rtw_hw_scan_start(rtwdev, vif, req); 877 ret = rtw_hw_scan_offload(rtwdev, vif, true); 878 if (ret) { 879 rtw_hw_scan_abort(rtwdev); 880 rtw_err(rtwdev, "HW scan failed with status: %d\n", ret); 881 } 882 mutex_unlock(&rtwdev->mutex); 883 884 return ret; 885 } 886 887 static void rtw_ops_cancel_hw_scan(struct ieee80211_hw *hw, 888 struct ieee80211_vif *vif) 889 { 890 struct rtw_dev *rtwdev = hw->priv; 891 892 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 893 return; 894 895 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 896 return; 897 898 mutex_lock(&rtwdev->mutex); 899 rtw_hw_scan_abort(rtwdev); 900 mutex_unlock(&rtwdev->mutex); 901 } 902 903 static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw, 904 const struct cfg80211_sar_specs *sar) 905 { 906 struct rtw_dev *rtwdev = hw->priv; 907 908 mutex_lock(&rtwdev->mutex); 909 rtw_set_sar_specs(rtwdev, sar); 910 mutex_unlock(&rtwdev->mutex); 911 912 return 0; 913 } 914 915 static void rtw_ops_sta_rc_update(struct ieee80211_hw *hw, 916 struct ieee80211_vif *vif, 917 struct ieee80211_sta *sta, u32 changed) 918 { 919 struct rtw_dev *rtwdev = hw->priv; 920 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 921 922 if (changed & IEEE80211_RC_BW_CHANGED) 923 ieee80211_queue_work(rtwdev->hw, &si->rc_work); 924 } 925 926 const struct ieee80211_ops rtw_ops = { 927 .tx = rtw_ops_tx, 928 .wake_tx_queue = rtw_ops_wake_tx_queue, 929 .start = rtw_ops_start, 930 .stop = rtw_ops_stop, 931 .config = rtw_ops_config, 932 .add_interface = rtw_ops_add_interface, 933 .remove_interface = rtw_ops_remove_interface, 934 .change_interface = rtw_ops_change_interface, 935 .configure_filter = rtw_ops_configure_filter, 936 .bss_info_changed = rtw_ops_bss_info_changed, 937 .start_ap = rtw_ops_start_ap, 938 .stop_ap = rtw_ops_stop_ap, 939 .conf_tx = rtw_ops_conf_tx, 940 .sta_add = rtw_ops_sta_add, 941 .sta_remove = rtw_ops_sta_remove, 942 .set_tim = rtw_ops_set_tim, 943 .set_key = rtw_ops_set_key, 944 .ampdu_action = rtw_ops_ampdu_action, 945 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, 946 .sw_scan_start = rtw_ops_sw_scan_start, 947 .sw_scan_complete = rtw_ops_sw_scan_complete, 948 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 949 .set_rts_threshold = rtw_ops_set_rts_threshold, 950 .sta_statistics = rtw_ops_sta_statistics, 951 .flush = rtw_ops_flush, 952 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 953 .set_antenna = rtw_ops_set_antenna, 954 .get_antenna = rtw_ops_get_antenna, 955 .reconfig_complete = rtw_reconfig_complete, 956 .hw_scan = rtw_ops_hw_scan, 957 .cancel_hw_scan = rtw_ops_cancel_hw_scan, 958 .sta_rc_update = rtw_ops_sta_rc_update, 959 .set_sar_specs = rtw_ops_set_sar_specs, 960 #ifdef CONFIG_PM 961 .suspend = rtw_ops_suspend, 962 .resume = rtw_ops_resume, 963 .set_wakeup = rtw_ops_set_wakeup, 964 #endif 965 }; 966 EXPORT_SYMBOL(rtw_ops); 967