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