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 struct rtw_chip_info *chip = rtwdev->chip; 380 381 chip->ops->set_gid_table(rtwdev, vif, conf); 382 } 383 384 if (changed & BSS_CHANGED_ERP_SLOT) 385 rtw_conf_tx(rtwdev, rtwvif); 386 387 rtw_vif_port_config(rtwdev, rtwvif, config); 388 389 mutex_unlock(&rtwdev->mutex); 390 } 391 392 static int rtw_ops_conf_tx(struct ieee80211_hw *hw, 393 struct ieee80211_vif *vif, u16 ac, 394 const struct ieee80211_tx_queue_params *params) 395 { 396 struct rtw_dev *rtwdev = hw->priv; 397 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 398 399 mutex_lock(&rtwdev->mutex); 400 401 rtw_leave_lps_deep(rtwdev); 402 403 rtwvif->tx_params[ac] = *params; 404 __rtw_conf_tx(rtwdev, rtwvif, ac); 405 406 mutex_unlock(&rtwdev->mutex); 407 408 return 0; 409 } 410 411 static u8 rtw_acquire_macid(struct rtw_dev *rtwdev) 412 { 413 unsigned long mac_id; 414 415 mac_id = find_first_zero_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 416 if (mac_id < RTW_MAX_MAC_ID_NUM) 417 set_bit(mac_id, rtwdev->mac_id_map); 418 419 return mac_id; 420 } 421 422 static void rtw_release_macid(struct rtw_dev *rtwdev, u8 mac_id) 423 { 424 clear_bit(mac_id, rtwdev->mac_id_map); 425 } 426 427 static int rtw_ops_sta_add(struct ieee80211_hw *hw, 428 struct ieee80211_vif *vif, 429 struct ieee80211_sta *sta) 430 { 431 struct rtw_dev *rtwdev = hw->priv; 432 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 433 int i; 434 int ret = 0; 435 436 mutex_lock(&rtwdev->mutex); 437 438 si->mac_id = rtw_acquire_macid(rtwdev); 439 if (si->mac_id >= RTW_MAX_MAC_ID_NUM) { 440 ret = -ENOSPC; 441 goto out; 442 } 443 444 si->sta = sta; 445 si->vif = vif; 446 si->init_ra_lv = 1; 447 ewma_rssi_init(&si->avg_rssi); 448 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 449 rtw_txq_init(rtwdev, sta->txq[i]); 450 451 rtw_update_sta_info(rtwdev, si); 452 rtw_fw_media_status_report(rtwdev, si->mac_id, true); 453 454 rtwdev->sta_cnt++; 455 456 rtw_info(rtwdev, "sta %pM joined with macid %d\n", 457 sta->addr, si->mac_id); 458 459 out: 460 mutex_unlock(&rtwdev->mutex); 461 return ret; 462 } 463 464 static int rtw_ops_sta_remove(struct ieee80211_hw *hw, 465 struct ieee80211_vif *vif, 466 struct ieee80211_sta *sta) 467 { 468 struct rtw_dev *rtwdev = hw->priv; 469 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 470 int i; 471 472 mutex_lock(&rtwdev->mutex); 473 474 rtw_release_macid(rtwdev, si->mac_id); 475 rtw_fw_media_status_report(rtwdev, si->mac_id, false); 476 477 for (i = 0; i < ARRAY_SIZE(sta->txq); i++) 478 rtw_txq_cleanup(rtwdev, sta->txq[i]); 479 480 kfree(si->mask); 481 482 rtwdev->sta_cnt--; 483 484 rtw_info(rtwdev, "sta %pM with macid %d left\n", 485 sta->addr, si->mac_id); 486 487 mutex_unlock(&rtwdev->mutex); 488 return 0; 489 } 490 491 static int rtw_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 492 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 493 struct ieee80211_key_conf *key) 494 { 495 struct rtw_dev *rtwdev = hw->priv; 496 struct rtw_sec_desc *sec = &rtwdev->sec; 497 u8 hw_key_type; 498 u8 hw_key_idx; 499 int ret = 0; 500 501 switch (key->cipher) { 502 case WLAN_CIPHER_SUITE_WEP40: 503 hw_key_type = RTW_CAM_WEP40; 504 break; 505 case WLAN_CIPHER_SUITE_WEP104: 506 hw_key_type = RTW_CAM_WEP104; 507 break; 508 case WLAN_CIPHER_SUITE_TKIP: 509 hw_key_type = RTW_CAM_TKIP; 510 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 511 break; 512 case WLAN_CIPHER_SUITE_CCMP: 513 hw_key_type = RTW_CAM_AES; 514 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 515 break; 516 case WLAN_CIPHER_SUITE_AES_CMAC: 517 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 518 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 519 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 520 case WLAN_CIPHER_SUITE_CCMP_256: 521 case WLAN_CIPHER_SUITE_GCMP: 522 case WLAN_CIPHER_SUITE_GCMP_256: 523 /* suppress error messages */ 524 return -EOPNOTSUPP; 525 default: 526 return -ENOTSUPP; 527 } 528 529 mutex_lock(&rtwdev->mutex); 530 531 rtw_leave_lps_deep(rtwdev); 532 533 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 534 hw_key_idx = rtw_sec_get_free_cam(sec); 535 } else { 536 /* multiple interfaces? */ 537 hw_key_idx = key->keyidx; 538 } 539 540 if (hw_key_idx > sec->total_cam_num) { 541 ret = -ENOSPC; 542 goto out; 543 } 544 545 switch (cmd) { 546 case SET_KEY: 547 /* need sw generated IV */ 548 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 549 key->hw_key_idx = hw_key_idx; 550 rtw_sec_write_cam(rtwdev, sec, sta, key, 551 hw_key_type, hw_key_idx); 552 break; 553 case DISABLE_KEY: 554 rtw_mac_flush_all_queues(rtwdev, false); 555 rtw_sec_clear_cam(rtwdev, sec, key->hw_key_idx); 556 break; 557 } 558 559 /* download new cam settings for PG to backup */ 560 if (rtw_fw_lps_deep_mode == LPS_DEEP_MODE_PG) 561 rtw_fw_download_rsvd_page(rtwdev); 562 563 out: 564 mutex_unlock(&rtwdev->mutex); 565 566 return ret; 567 } 568 569 static int rtw_ops_ampdu_action(struct ieee80211_hw *hw, 570 struct ieee80211_vif *vif, 571 struct ieee80211_ampdu_params *params) 572 { 573 struct ieee80211_sta *sta = params->sta; 574 u16 tid = params->tid; 575 struct ieee80211_txq *txq = sta->txq[tid]; 576 struct rtw_txq *rtwtxq = (struct rtw_txq *)txq->drv_priv; 577 578 switch (params->action) { 579 case IEEE80211_AMPDU_TX_START: 580 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 581 case IEEE80211_AMPDU_TX_STOP_CONT: 582 case IEEE80211_AMPDU_TX_STOP_FLUSH: 583 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 584 clear_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 585 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 586 break; 587 case IEEE80211_AMPDU_TX_OPERATIONAL: 588 set_bit(RTW_TXQ_AMPDU, &rtwtxq->flags); 589 break; 590 case IEEE80211_AMPDU_RX_START: 591 case IEEE80211_AMPDU_RX_STOP: 592 break; 593 default: 594 WARN_ON(1); 595 return -ENOTSUPP; 596 } 597 598 return 0; 599 } 600 601 static bool rtw_ops_can_aggregate_in_amsdu(struct ieee80211_hw *hw, 602 struct sk_buff *head, 603 struct sk_buff *skb) 604 { 605 struct rtw_dev *rtwdev = hw->priv; 606 struct rtw_hal *hal = &rtwdev->hal; 607 608 /* we don't want to enable TX AMSDU on 2.4G */ 609 if (hal->current_band_type == RTW_BAND_2G) 610 return false; 611 612 return true; 613 } 614 615 static void rtw_ops_sw_scan_start(struct ieee80211_hw *hw, 616 struct ieee80211_vif *vif, 617 const u8 *mac_addr) 618 { 619 struct rtw_dev *rtwdev = hw->priv; 620 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 621 u32 config = 0; 622 623 mutex_lock(&rtwdev->mutex); 624 625 rtw_leave_lps(rtwdev); 626 627 ether_addr_copy(rtwvif->mac_addr, mac_addr); 628 config |= PORT_SET_MAC_ADDR; 629 rtw_vif_port_config(rtwdev, rtwvif, config); 630 631 rtw_coex_scan_notify(rtwdev, COEX_SCAN_START); 632 633 set_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags); 634 set_bit(RTW_FLAG_SCANNING, rtwdev->flags); 635 636 mutex_unlock(&rtwdev->mutex); 637 } 638 639 static void rtw_ops_sw_scan_complete(struct ieee80211_hw *hw, 640 struct ieee80211_vif *vif) 641 { 642 struct rtw_dev *rtwdev = hw->priv; 643 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 644 u32 config = 0; 645 646 mutex_lock(&rtwdev->mutex); 647 648 clear_bit(RTW_FLAG_SCANNING, rtwdev->flags); 649 clear_bit(RTW_FLAG_DIG_DISABLE, rtwdev->flags); 650 651 ether_addr_copy(rtwvif->mac_addr, vif->addr); 652 config |= PORT_SET_MAC_ADDR; 653 rtw_vif_port_config(rtwdev, rtwvif, config); 654 655 rtw_coex_scan_notify(rtwdev, COEX_SCAN_FINISH); 656 657 mutex_unlock(&rtwdev->mutex); 658 } 659 660 static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw, 661 struct ieee80211_vif *vif, 662 u16 duration) 663 { 664 struct rtw_dev *rtwdev = hw->priv; 665 666 mutex_lock(&rtwdev->mutex); 667 rtw_leave_lps_deep(rtwdev); 668 rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START); 669 mutex_unlock(&rtwdev->mutex); 670 } 671 672 static int rtw_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 673 { 674 struct rtw_dev *rtwdev = hw->priv; 675 676 mutex_lock(&rtwdev->mutex); 677 rtwdev->rts_threshold = value; 678 mutex_unlock(&rtwdev->mutex); 679 680 return 0; 681 } 682 683 static void rtw_ops_sta_statistics(struct ieee80211_hw *hw, 684 struct ieee80211_vif *vif, 685 struct ieee80211_sta *sta, 686 struct station_info *sinfo) 687 { 688 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 689 690 sinfo->txrate = si->ra_report.txrate; 691 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 692 } 693 694 static void rtw_ops_flush(struct ieee80211_hw *hw, 695 struct ieee80211_vif *vif, 696 u32 queues, bool drop) 697 { 698 struct rtw_dev *rtwdev = hw->priv; 699 700 mutex_lock(&rtwdev->mutex); 701 rtw_leave_lps_deep(rtwdev); 702 703 rtw_mac_flush_queues(rtwdev, queues, drop); 704 mutex_unlock(&rtwdev->mutex); 705 } 706 707 struct rtw_iter_bitrate_mask_data { 708 struct rtw_dev *rtwdev; 709 struct ieee80211_vif *vif; 710 const struct cfg80211_bitrate_mask *mask; 711 }; 712 713 static void rtw_ra_mask_info_update_iter(void *data, struct ieee80211_sta *sta) 714 { 715 struct rtw_iter_bitrate_mask_data *br_data = data; 716 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 717 718 if (si->vif != br_data->vif) 719 return; 720 721 /* free previous mask setting */ 722 kfree(si->mask); 723 si->mask = kmemdup(br_data->mask, sizeof(struct cfg80211_bitrate_mask), 724 GFP_ATOMIC); 725 if (!si->mask) { 726 si->use_cfg_mask = false; 727 return; 728 } 729 730 si->use_cfg_mask = true; 731 rtw_update_sta_info(br_data->rtwdev, si); 732 } 733 734 static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, 735 struct ieee80211_vif *vif, 736 const struct cfg80211_bitrate_mask *mask) 737 { 738 struct rtw_iter_bitrate_mask_data br_data; 739 740 br_data.rtwdev = rtwdev; 741 br_data.vif = vif; 742 br_data.mask = mask; 743 rtw_iterate_stas_atomic(rtwdev, rtw_ra_mask_info_update_iter, &br_data); 744 } 745 746 static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, 747 struct ieee80211_vif *vif, 748 const struct cfg80211_bitrate_mask *mask) 749 { 750 struct rtw_dev *rtwdev = hw->priv; 751 752 rtw_ra_mask_info_update(rtwdev, vif, mask); 753 754 return 0; 755 } 756 757 #ifdef CONFIG_PM 758 static int rtw_ops_suspend(struct ieee80211_hw *hw, 759 struct cfg80211_wowlan *wowlan) 760 { 761 struct rtw_dev *rtwdev = hw->priv; 762 int ret; 763 764 mutex_lock(&rtwdev->mutex); 765 ret = rtw_wow_suspend(rtwdev, wowlan); 766 if (ret) 767 rtw_err(rtwdev, "failed to suspend for wow %d\n", ret); 768 mutex_unlock(&rtwdev->mutex); 769 770 return ret ? 1 : 0; 771 } 772 773 static int rtw_ops_resume(struct ieee80211_hw *hw) 774 { 775 struct rtw_dev *rtwdev = hw->priv; 776 int ret; 777 778 mutex_lock(&rtwdev->mutex); 779 ret = rtw_wow_resume(rtwdev); 780 if (ret) 781 rtw_err(rtwdev, "failed to resume for wow %d\n", ret); 782 mutex_unlock(&rtwdev->mutex); 783 784 return ret ? 1 : 0; 785 } 786 787 static void rtw_ops_set_wakeup(struct ieee80211_hw *hw, bool enabled) 788 { 789 struct rtw_dev *rtwdev = hw->priv; 790 791 device_set_wakeup_enable(rtwdev->dev, enabled); 792 } 793 #endif 794 795 const struct ieee80211_ops rtw_ops = { 796 .tx = rtw_ops_tx, 797 .wake_tx_queue = rtw_ops_wake_tx_queue, 798 .start = rtw_ops_start, 799 .stop = rtw_ops_stop, 800 .config = rtw_ops_config, 801 .add_interface = rtw_ops_add_interface, 802 .remove_interface = rtw_ops_remove_interface, 803 .configure_filter = rtw_ops_configure_filter, 804 .bss_info_changed = rtw_ops_bss_info_changed, 805 .conf_tx = rtw_ops_conf_tx, 806 .sta_add = rtw_ops_sta_add, 807 .sta_remove = rtw_ops_sta_remove, 808 .set_key = rtw_ops_set_key, 809 .ampdu_action = rtw_ops_ampdu_action, 810 .can_aggregate_in_amsdu = rtw_ops_can_aggregate_in_amsdu, 811 .sw_scan_start = rtw_ops_sw_scan_start, 812 .sw_scan_complete = rtw_ops_sw_scan_complete, 813 .mgd_prepare_tx = rtw_ops_mgd_prepare_tx, 814 .set_rts_threshold = rtw_ops_set_rts_threshold, 815 .sta_statistics = rtw_ops_sta_statistics, 816 .flush = rtw_ops_flush, 817 .set_bitrate_mask = rtw_ops_set_bitrate_mask, 818 #ifdef CONFIG_PM 819 .suspend = rtw_ops_suspend, 820 .resume = rtw_ops_resume, 821 .set_wakeup = rtw_ops_set_wakeup, 822 #endif 823 }; 824 EXPORT_SYMBOL(rtw_ops); 825