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