1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* Copyright(c) 2018-2019 Realtek Corporation 3 */ 4 5 #include <linux/iopoll.h> 6 7 #include "main.h" 8 #include "coex.h" 9 #include "fw.h" 10 #include "tx.h" 11 #include "reg.h" 12 #include "sec.h" 13 #include "debug.h" 14 #include "util.h" 15 #include "wow.h" 16 #include "ps.h" 17 18 static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev, 19 struct sk_buff *skb) 20 { 21 struct rtw_c2h_cmd *c2h; 22 u8 sub_cmd_id; 23 24 c2h = get_c2h_from_skb(skb); 25 sub_cmd_id = c2h->payload[0]; 26 27 switch (sub_cmd_id) { 28 case C2H_CCX_RPT: 29 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_RPT); 30 break; 31 case C2H_SCAN_STATUS_RPT: 32 rtw_hw_scan_status_report(rtwdev, skb); 33 break; 34 case C2H_CHAN_SWITCH: 35 rtw_hw_scan_chan_switch(rtwdev, skb); 36 break; 37 default: 38 break; 39 } 40 } 41 42 static u16 get_max_amsdu_len(u32 bit_rate) 43 { 44 /* lower than ofdm, do not aggregate */ 45 if (bit_rate < 550) 46 return 1; 47 48 /* lower than 20M 2ss mcs8, make it small */ 49 if (bit_rate < 1800) 50 return 1200; 51 52 /* lower than 40M 2ss mcs9, make it medium */ 53 if (bit_rate < 4000) 54 return 2600; 55 56 /* not yet 80M 2ss mcs8/9, make it twice regular packet size */ 57 if (bit_rate < 7000) 58 return 3500; 59 60 /* unlimited */ 61 return 0; 62 } 63 64 struct rtw_fw_iter_ra_data { 65 struct rtw_dev *rtwdev; 66 u8 *payload; 67 }; 68 69 static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta) 70 { 71 struct rtw_fw_iter_ra_data *ra_data = data; 72 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 73 u8 mac_id, rate, sgi, bw; 74 u8 mcs, nss; 75 u32 bit_rate; 76 77 mac_id = GET_RA_REPORT_MACID(ra_data->payload); 78 if (si->mac_id != mac_id) 79 return; 80 81 si->ra_report.txrate.flags = 0; 82 83 rate = GET_RA_REPORT_RATE(ra_data->payload); 84 sgi = GET_RA_REPORT_SGI(ra_data->payload); 85 bw = GET_RA_REPORT_BW(ra_data->payload); 86 87 if (rate < DESC_RATEMCS0) { 88 si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate); 89 goto legacy; 90 } 91 92 rtw_desc_to_mcsrate(rate, &mcs, &nss); 93 if (rate >= DESC_RATEVHT1SS_MCS0) 94 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS; 95 else if (rate >= DESC_RATEMCS0) 96 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS; 97 98 if (rate >= DESC_RATEMCS0) { 99 si->ra_report.txrate.mcs = mcs; 100 si->ra_report.txrate.nss = nss; 101 } 102 103 if (sgi) 104 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 105 106 if (bw == RTW_CHANNEL_WIDTH_80) 107 si->ra_report.txrate.bw = RATE_INFO_BW_80; 108 else if (bw == RTW_CHANNEL_WIDTH_40) 109 si->ra_report.txrate.bw = RATE_INFO_BW_40; 110 else 111 si->ra_report.txrate.bw = RATE_INFO_BW_20; 112 113 legacy: 114 bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate); 115 116 si->ra_report.desc_rate = rate; 117 si->ra_report.bit_rate = bit_rate; 118 119 sta->max_rc_amsdu_len = get_max_amsdu_len(bit_rate); 120 } 121 122 static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload, 123 u8 length) 124 { 125 struct rtw_fw_iter_ra_data ra_data; 126 127 if (WARN(length < 7, "invalid ra report c2h length\n")) 128 return; 129 130 rtwdev->dm_info.tx_rate = GET_RA_REPORT_RATE(payload); 131 ra_data.rtwdev = rtwdev; 132 ra_data.payload = payload; 133 rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data); 134 } 135 136 struct rtw_beacon_filter_iter_data { 137 struct rtw_dev *rtwdev; 138 u8 *payload; 139 }; 140 141 static void rtw_fw_bcn_filter_notify_vif_iter(void *data, u8 *mac, 142 struct ieee80211_vif *vif) 143 { 144 struct rtw_beacon_filter_iter_data *iter_data = data; 145 struct rtw_dev *rtwdev = iter_data->rtwdev; 146 u8 *payload = iter_data->payload; 147 u8 type = GET_BCN_FILTER_NOTIFY_TYPE(payload); 148 u8 event = GET_BCN_FILTER_NOTIFY_EVENT(payload); 149 s8 sig = (s8)GET_BCN_FILTER_NOTIFY_RSSI(payload); 150 151 switch (type) { 152 case BCN_FILTER_NOTIFY_SIGNAL_CHANGE: 153 event = event ? NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH : 154 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; 155 ieee80211_cqm_rssi_notify(vif, event, sig, GFP_KERNEL); 156 break; 157 case BCN_FILTER_CONNECTION_LOSS: 158 ieee80211_connection_loss(vif); 159 break; 160 case BCN_FILTER_CONNECTED: 161 rtwdev->beacon_loss = false; 162 break; 163 case BCN_FILTER_NOTIFY_BEACON_LOSS: 164 rtwdev->beacon_loss = true; 165 rtw_leave_lps(rtwdev); 166 break; 167 } 168 } 169 170 static void rtw_fw_bcn_filter_notify(struct rtw_dev *rtwdev, u8 *payload, 171 u8 length) 172 { 173 struct rtw_beacon_filter_iter_data dev_iter_data; 174 175 dev_iter_data.rtwdev = rtwdev; 176 dev_iter_data.payload = payload; 177 rtw_iterate_vifs(rtwdev, rtw_fw_bcn_filter_notify_vif_iter, 178 &dev_iter_data); 179 } 180 181 static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload, 182 u8 length) 183 { 184 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 185 186 dm_info->scan_density = payload[0]; 187 188 rtw_dbg(rtwdev, RTW_DBG_FW, "scan.density = %x\n", 189 dm_info->scan_density); 190 } 191 192 static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload, 193 u8 length) 194 { 195 struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th; 196 struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload; 197 198 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 199 "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n", 200 result->density, result->igi, result->l2h_th_init, result->l2h, 201 result->h2l, result->option); 202 203 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n", 204 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr, 205 edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask), 206 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr, 207 edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask)); 208 209 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n", 210 rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ? 211 "Set" : "Unset"); 212 } 213 214 void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb) 215 { 216 struct rtw_c2h_cmd *c2h; 217 u32 pkt_offset; 218 u8 len; 219 220 pkt_offset = *((u32 *)skb->cb); 221 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 222 len = skb->len - pkt_offset - 2; 223 224 mutex_lock(&rtwdev->mutex); 225 226 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 227 goto unlock; 228 229 switch (c2h->id) { 230 case C2H_CCX_TX_RPT: 231 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT); 232 break; 233 case C2H_BT_INFO: 234 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len); 235 break; 236 case C2H_WLAN_INFO: 237 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len); 238 break; 239 case C2H_BCN_FILTER_NOTIFY: 240 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len); 241 break; 242 case C2H_HALMAC: 243 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb); 244 break; 245 case C2H_RA_RPT: 246 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len); 247 break; 248 default: 249 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id); 250 break; 251 } 252 253 unlock: 254 mutex_unlock(&rtwdev->mutex); 255 } 256 257 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, 258 struct sk_buff *skb) 259 { 260 struct rtw_c2h_cmd *c2h; 261 u8 len; 262 263 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 264 len = skb->len - pkt_offset - 2; 265 *((u32 *)skb->cb) = pkt_offset; 266 267 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", 268 c2h->id, c2h->seq, len); 269 270 switch (c2h->id) { 271 case C2H_BT_MP_INFO: 272 rtw_coex_info_response(rtwdev, skb); 273 break; 274 case C2H_WLAN_RFON: 275 complete(&rtwdev->lps_leave_check); 276 dev_kfree_skb_any(skb); 277 break; 278 case C2H_SCAN_RESULT: 279 complete(&rtwdev->fw_scan_density); 280 rtw_fw_scan_result(rtwdev, c2h->payload, len); 281 dev_kfree_skb_any(skb); 282 break; 283 case C2H_ADAPTIVITY: 284 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len); 285 dev_kfree_skb_any(skb); 286 break; 287 default: 288 /* pass offset for further operation */ 289 *((u32 *)skb->cb) = pkt_offset; 290 skb_queue_tail(&rtwdev->c2h_queue, skb); 291 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); 292 break; 293 } 294 } 295 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); 296 297 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev) 298 { 299 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER) 300 rtw_fw_recovery(rtwdev); 301 else 302 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n"); 303 } 304 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); 305 306 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, 307 u8 *h2c) 308 { 309 u8 box; 310 u8 box_state; 311 u32 box_reg, box_ex_reg; 312 int idx; 313 int ret; 314 315 rtw_dbg(rtwdev, RTW_DBG_FW, 316 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n", 317 h2c[3], h2c[2], h2c[1], h2c[0], 318 h2c[7], h2c[6], h2c[5], h2c[4]); 319 320 spin_lock(&rtwdev->h2c.lock); 321 322 box = rtwdev->h2c.last_box_num; 323 switch (box) { 324 case 0: 325 box_reg = REG_HMEBOX0; 326 box_ex_reg = REG_HMEBOX0_EX; 327 break; 328 case 1: 329 box_reg = REG_HMEBOX1; 330 box_ex_reg = REG_HMEBOX1_EX; 331 break; 332 case 2: 333 box_reg = REG_HMEBOX2; 334 box_ex_reg = REG_HMEBOX2_EX; 335 break; 336 case 3: 337 box_reg = REG_HMEBOX3; 338 box_ex_reg = REG_HMEBOX3_EX; 339 break; 340 default: 341 WARN(1, "invalid h2c mail box number\n"); 342 goto out; 343 } 344 345 ret = read_poll_timeout_atomic(rtw_read8, box_state, 346 !((box_state >> box) & 0x1), 100, 3000, 347 false, rtwdev, REG_HMETFR); 348 349 if (ret) { 350 rtw_err(rtwdev, "failed to send h2c command\n"); 351 goto out; 352 } 353 354 for (idx = 0; idx < 4; idx++) 355 rtw_write8(rtwdev, box_reg + idx, h2c[idx]); 356 for (idx = 0; idx < 4; idx++) 357 rtw_write8(rtwdev, box_ex_reg + idx, h2c[idx + 4]); 358 359 if (++rtwdev->h2c.last_box_num >= 4) 360 rtwdev->h2c.last_box_num = 0; 361 362 out: 363 spin_unlock(&rtwdev->h2c.lock); 364 } 365 366 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) 367 { 368 rtw_fw_send_h2c_command(rtwdev, h2c); 369 } 370 371 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) 372 { 373 int ret; 374 375 spin_lock(&rtwdev->h2c.lock); 376 377 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq); 378 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE); 379 if (ret) 380 rtw_err(rtwdev, "failed to send h2c packet\n"); 381 rtwdev->h2c.seq++; 382 383 spin_unlock(&rtwdev->h2c.lock); 384 } 385 386 void 387 rtw_fw_send_general_info(struct rtw_dev *rtwdev) 388 { 389 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 390 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 391 u16 total_size = H2C_PKT_HDR_SIZE + 4; 392 393 if (rtw_chip_wcpu_11n(rtwdev)) 394 return; 395 396 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO); 397 398 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 399 400 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt, 401 fifo->rsvd_fw_txbuf_addr - 402 fifo->rsvd_boundary); 403 404 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 405 } 406 407 void 408 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev) 409 { 410 struct rtw_hal *hal = &rtwdev->hal; 411 struct rtw_efuse *efuse = &rtwdev->efuse; 412 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 413 u16 total_size = H2C_PKT_HDR_SIZE + 8; 414 u8 fw_rf_type = 0; 415 416 if (rtw_chip_wcpu_11n(rtwdev)) 417 return; 418 419 if (hal->rf_type == RF_1T1R) 420 fw_rf_type = FW_RF_1T1R; 421 else if (hal->rf_type == RF_2T2R) 422 fw_rf_type = FW_RF_2T2R; 423 424 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO); 425 426 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 427 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option); 428 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type); 429 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version); 430 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx); 431 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx); 432 433 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 434 } 435 436 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para) 437 { 438 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 439 u16 total_size = H2C_PKT_HDR_SIZE + 1; 440 441 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK); 442 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 443 IQK_SET_CLEAR(h2c_pkt, para->clear); 444 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk); 445 446 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 447 } 448 EXPORT_SYMBOL(rtw_fw_do_iqk); 449 450 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start) 451 { 452 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 453 454 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION); 455 456 RFK_SET_INFORM_START(h2c_pkt, start); 457 458 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 459 } 460 EXPORT_SYMBOL(rtw_fw_inform_rfk_status); 461 462 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev) 463 { 464 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 465 466 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO); 467 468 SET_QUERY_BT_INFO(h2c_pkt, true); 469 470 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 471 } 472 473 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw) 474 { 475 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 476 477 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO); 478 479 SET_WL_CH_INFO_LINK(h2c_pkt, link); 480 SET_WL_CH_INFO_CHNL(h2c_pkt, ch); 481 SET_WL_CH_INFO_BW(h2c_pkt, bw); 482 483 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 484 } 485 486 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev, 487 struct rtw_coex_info_req *req) 488 { 489 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 490 491 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO); 492 493 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq); 494 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code); 495 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1); 496 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2); 497 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3); 498 499 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 500 } 501 502 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl) 503 { 504 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 505 u8 index = 0 - bt_pwr_dec_lvl; 506 507 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER); 508 509 SET_BT_TX_POWER_INDEX(h2c_pkt, index); 510 511 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 512 } 513 514 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable) 515 { 516 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 517 518 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION); 519 520 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable); 521 522 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 523 } 524 525 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev, 526 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5) 527 { 528 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 529 530 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE); 531 532 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1); 533 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2); 534 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3); 535 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4); 536 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5); 537 538 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 539 } 540 541 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) 542 { 543 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 544 545 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL); 546 547 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code); 548 549 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); 550 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); 551 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2)); 552 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3)); 553 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); 554 555 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 556 } 557 558 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) 559 { 560 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 561 u8 rssi = ewma_rssi_read(&si->avg_rssi); 562 bool stbc_en = si->stbc_en ? true : false; 563 564 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR); 565 566 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id); 567 SET_RSSI_INFO_RSSI(h2c_pkt, rssi); 568 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en); 569 570 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 571 } 572 573 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) 574 { 575 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 576 bool no_update = si->updated; 577 bool disable_pt = true; 578 579 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO); 580 581 SET_RA_INFO_MACID(h2c_pkt, si->mac_id); 582 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id); 583 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv); 584 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable); 585 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode); 586 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en); 587 SET_RA_INFO_NO_UPDATE(h2c_pkt, no_update); 588 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable); 589 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt); 590 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff)); 591 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8); 592 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16); 593 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24); 594 595 si->init_ra_lv = 0; 596 si->updated = true; 597 598 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 599 } 600 601 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) 602 { 603 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 604 605 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT); 606 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect); 607 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id); 608 609 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 610 } 611 612 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev) 613 { 614 struct rtw_traffic_stats *stats = &rtwdev->stats; 615 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 616 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 617 618 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO); 619 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput); 620 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput); 621 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate); 622 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate); 623 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]); 624 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 625 } 626 627 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect, 628 struct ieee80211_vif *vif) 629 { 630 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 631 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid); 632 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100; 633 struct rtw_sta_info *si = 634 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL; 635 s32 threshold = bss_conf->cqm_rssi_thold + rssi_offset; 636 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 637 638 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER) || !si) 639 return; 640 641 if (!connect) { 642 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 643 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 644 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 645 646 return; 647 } 648 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0); 649 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid); 650 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 651 652 memset(h2c_pkt, 0, sizeof(h2c_pkt)); 653 threshold = clamp_t(s32, threshold, rssi_min, rssi_max); 654 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 655 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 656 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt, 657 BCN_FILTER_OFFLOAD_MODE_DEFAULT); 658 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, (u8)threshold); 659 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT); 660 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id); 661 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, bss_conf->cqm_rssi_hyst); 662 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int); 663 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 664 } 665 666 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev) 667 { 668 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 669 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 670 671 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE); 672 673 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode); 674 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm); 675 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps); 676 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval); 677 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id); 678 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state); 679 680 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 681 } 682 683 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable) 684 { 685 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 686 struct rtw_fw_wow_keep_alive_para mode = { 687 .adopt = true, 688 .pkt_type = KEEP_ALIVE_NULL_PKT, 689 .period = 5, 690 }; 691 692 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE); 693 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable); 694 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt); 695 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type); 696 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period); 697 698 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 699 } 700 701 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable) 702 { 703 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 704 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 705 struct rtw_fw_wow_disconnect_para mode = { 706 .adopt = true, 707 .period = 30, 708 .retry_count = 5, 709 }; 710 711 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION); 712 713 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) { 714 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable); 715 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt); 716 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period); 717 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count); 718 } 719 720 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 721 } 722 723 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 724 { 725 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 726 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 727 728 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN); 729 730 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable); 731 if (rtw_wow_mgd_linked(rtwdev)) { 732 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) 733 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable); 734 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) 735 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable); 736 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags)) 737 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable); 738 if (rtw_wow->pattern_cnt) 739 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable); 740 } 741 742 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 743 } 744 745 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev, 746 u8 pairwise_key_enc, 747 u8 group_key_enc) 748 { 749 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 750 751 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO); 752 753 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc); 754 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc); 755 756 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 757 } 758 759 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 760 { 761 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 762 763 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL); 764 765 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable); 766 767 if (rtw_wow_no_link(rtwdev)) 768 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable); 769 770 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 771 } 772 773 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev, 774 enum rtw_rsvd_packet_type type) 775 { 776 struct rtw_rsvd_page *rsvd_pkt; 777 u8 location = 0; 778 779 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 780 if (type == rsvd_pkt->type) 781 location = rsvd_pkt->page; 782 } 783 784 return location; 785 } 786 787 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable) 788 { 789 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 790 u8 loc_nlo; 791 792 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO); 793 794 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO); 795 796 SET_NLO_FUN_EN(h2c_pkt, enable); 797 if (enable) { 798 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE) 799 SET_NLO_PS_32K(h2c_pkt, enable); 800 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable); 801 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo); 802 } 803 804 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 805 } 806 807 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) 808 { 809 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 810 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 811 u8 loc_pg, loc_dpk; 812 813 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); 814 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); 815 816 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); 817 818 LPS_PG_INFO_LOC(h2c_pkt, loc_pg); 819 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); 820 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); 821 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); 822 823 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 824 } 825 826 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, 827 struct cfg80211_ssid *ssid) 828 { 829 struct rtw_rsvd_page *rsvd_pkt; 830 u8 location = 0; 831 832 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 833 if (rsvd_pkt->type != RSVD_PROBE_REQ) 834 continue; 835 if ((!ssid && !rsvd_pkt->ssid) || 836 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 837 location = rsvd_pkt->page; 838 } 839 840 return location; 841 } 842 843 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, 844 struct cfg80211_ssid *ssid) 845 { 846 struct rtw_rsvd_page *rsvd_pkt; 847 u16 size = 0; 848 849 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 850 if (rsvd_pkt->type != RSVD_PROBE_REQ) 851 continue; 852 if ((!ssid && !rsvd_pkt->ssid) || 853 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 854 size = rsvd_pkt->probe_req_size; 855 } 856 857 return size; 858 } 859 860 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) 861 { 862 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 863 u8 location = 0; 864 865 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); 866 867 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); 868 *(h2c_pkt + 1) = location; 869 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); 870 871 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); 872 *(h2c_pkt + 2) = location; 873 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); 874 875 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); 876 *(h2c_pkt + 3) = location; 877 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); 878 879 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); 880 *(h2c_pkt + 4) = location; 881 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); 882 883 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 884 } 885 886 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) 887 { 888 struct rtw_dev *rtwdev = hw->priv; 889 struct rtw_chip_info *chip = rtwdev->chip; 890 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 891 struct rtw_nlo_info_hdr *nlo_hdr; 892 struct cfg80211_ssid *ssid; 893 struct sk_buff *skb; 894 u8 *pos, loc; 895 u32 size; 896 int i; 897 898 if (!pno_req->inited || !pno_req->match_set_cnt) 899 return NULL; 900 901 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * 902 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; 903 904 skb = alloc_skb(size, GFP_KERNEL); 905 if (!skb) 906 return NULL; 907 908 skb_reserve(skb, chip->tx_pkt_desc_sz); 909 910 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); 911 912 nlo_hdr->nlo_count = pno_req->match_set_cnt; 913 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; 914 915 /* pattern check for firmware */ 916 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); 917 918 for (i = 0; i < pno_req->match_set_cnt; i++) 919 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; 920 921 for (i = 0; i < pno_req->match_set_cnt; i++) { 922 ssid = &pno_req->match_sets[i].ssid; 923 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 924 if (!loc) { 925 rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); 926 kfree_skb(skb); 927 return NULL; 928 } 929 nlo_hdr->location[i] = loc; 930 } 931 932 for (i = 0; i < pno_req->match_set_cnt; i++) { 933 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); 934 memcpy(pos, pno_req->match_sets[i].ssid.ssid, 935 pno_req->match_sets[i].ssid.ssid_len); 936 } 937 938 return skb; 939 } 940 941 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) 942 { 943 struct rtw_dev *rtwdev = hw->priv; 944 struct rtw_chip_info *chip = rtwdev->chip; 945 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 946 struct ieee80211_channel *channels = pno_req->channels; 947 struct sk_buff *skb; 948 int count = pno_req->channel_cnt; 949 u8 *pos; 950 int i = 0; 951 952 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); 953 if (!skb) 954 return NULL; 955 956 skb_reserve(skb, chip->tx_pkt_desc_sz); 957 958 for (i = 0; i < count; i++) { 959 pos = skb_put_zero(skb, 4); 960 961 CHSW_INFO_SET_CH(pos, channels[i].hw_value); 962 963 if (channels[i].flags & IEEE80211_CHAN_RADAR) 964 CHSW_INFO_SET_ACTION_ID(pos, 0); 965 else 966 CHSW_INFO_SET_ACTION_ID(pos, 1); 967 CHSW_INFO_SET_TIMEOUT(pos, 1); 968 CHSW_INFO_SET_PRI_CH_IDX(pos, 1); 969 CHSW_INFO_SET_BW(pos, 0); 970 } 971 972 return skb; 973 } 974 975 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) 976 { 977 struct rtw_dev *rtwdev = hw->priv; 978 struct rtw_chip_info *chip = rtwdev->chip; 979 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; 980 struct rtw_lps_pg_dpk_hdr *dpk_hdr; 981 struct sk_buff *skb; 982 u32 size; 983 984 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr); 985 skb = alloc_skb(size, GFP_KERNEL); 986 if (!skb) 987 return NULL; 988 989 skb_reserve(skb, chip->tx_pkt_desc_sz); 990 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); 991 dpk_hdr->dpk_ch = dpk_info->dpk_ch; 992 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; 993 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); 994 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); 995 memcpy(dpk_hdr->coef, dpk_info->coef, 160); 996 997 return skb; 998 } 999 1000 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) 1001 { 1002 struct rtw_dev *rtwdev = hw->priv; 1003 struct rtw_chip_info *chip = rtwdev->chip; 1004 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1005 struct rtw_lps_pg_info_hdr *pg_info_hdr; 1006 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1007 struct sk_buff *skb; 1008 u32 size; 1009 1010 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); 1011 skb = alloc_skb(size, GFP_KERNEL); 1012 if (!skb) 1013 return NULL; 1014 1015 skb_reserve(skb, chip->tx_pkt_desc_sz); 1016 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); 1017 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; 1018 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 1019 pg_info_hdr->sec_cam_count = 1020 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); 1021 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; 1022 1023 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; 1024 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; 1025 1026 return skb; 1027 } 1028 1029 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, 1030 struct rtw_rsvd_page *rsvd_pkt) 1031 { 1032 struct ieee80211_vif *vif; 1033 struct rtw_vif *rtwvif; 1034 struct sk_buff *skb_new; 1035 struct cfg80211_ssid *ssid; 1036 1037 if (rsvd_pkt->type == RSVD_DUMMY) { 1038 skb_new = alloc_skb(1, GFP_KERNEL); 1039 if (!skb_new) 1040 return NULL; 1041 1042 skb_put(skb_new, 1); 1043 return skb_new; 1044 } 1045 1046 rtwvif = rsvd_pkt->rtwvif; 1047 if (!rtwvif) 1048 return NULL; 1049 1050 vif = rtwvif_to_vif(rtwvif); 1051 1052 switch (rsvd_pkt->type) { 1053 case RSVD_BEACON: 1054 skb_new = ieee80211_beacon_get(hw, vif); 1055 break; 1056 case RSVD_PS_POLL: 1057 skb_new = ieee80211_pspoll_get(hw, vif); 1058 break; 1059 case RSVD_PROBE_RESP: 1060 skb_new = ieee80211_proberesp_get(hw, vif); 1061 break; 1062 case RSVD_NULL: 1063 skb_new = ieee80211_nullfunc_get(hw, vif, false); 1064 break; 1065 case RSVD_QOS_NULL: 1066 skb_new = ieee80211_nullfunc_get(hw, vif, true); 1067 break; 1068 case RSVD_LPS_PG_DPK: 1069 skb_new = rtw_lps_pg_dpk_get(hw); 1070 break; 1071 case RSVD_LPS_PG_INFO: 1072 skb_new = rtw_lps_pg_info_get(hw); 1073 break; 1074 case RSVD_PROBE_REQ: 1075 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; 1076 if (ssid) 1077 skb_new = ieee80211_probereq_get(hw, vif->addr, 1078 ssid->ssid, 1079 ssid->ssid_len, 0); 1080 else 1081 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); 1082 if (skb_new) 1083 rsvd_pkt->probe_req_size = (u16)skb_new->len; 1084 break; 1085 case RSVD_NLO_INFO: 1086 skb_new = rtw_nlo_info_get(hw); 1087 break; 1088 case RSVD_CH_INFO: 1089 skb_new = rtw_cs_channel_info_get(hw); 1090 break; 1091 default: 1092 return NULL; 1093 } 1094 1095 if (!skb_new) 1096 return NULL; 1097 1098 return skb_new; 1099 } 1100 1101 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 1102 enum rtw_rsvd_packet_type type) 1103 { 1104 struct rtw_tx_pkt_info pkt_info = {0}; 1105 struct rtw_chip_info *chip = rtwdev->chip; 1106 u8 *pkt_desc; 1107 1108 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 1109 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 1110 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 1111 rtw_tx_fill_tx_desc(&pkt_info, skb); 1112 } 1113 1114 static inline u8 rtw_len_to_page(unsigned int len, u8 page_size) 1115 { 1116 return DIV_ROUND_UP(len, page_size); 1117 } 1118 1119 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size, 1120 u8 page_margin, u32 page, u8 *buf, 1121 struct rtw_rsvd_page *rsvd_pkt) 1122 { 1123 struct sk_buff *skb = rsvd_pkt->skb; 1124 1125 if (page >= 1) 1126 memcpy(buf + page_margin + page_size * (page - 1), 1127 skb->data, skb->len); 1128 else 1129 memcpy(buf, skb->data, skb->len); 1130 } 1131 1132 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 1133 enum rtw_rsvd_packet_type type, 1134 bool txdesc) 1135 { 1136 struct rtw_rsvd_page *rsvd_pkt = NULL; 1137 1138 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); 1139 1140 if (!rsvd_pkt) 1141 return NULL; 1142 1143 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 1144 INIT_LIST_HEAD(&rsvd_pkt->build_list); 1145 rsvd_pkt->type = type; 1146 rsvd_pkt->add_txdesc = txdesc; 1147 1148 return rsvd_pkt; 1149 } 1150 1151 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 1152 struct rtw_vif *rtwvif, 1153 struct rtw_rsvd_page *rsvd_pkt) 1154 { 1155 lockdep_assert_held(&rtwdev->mutex); 1156 1157 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 1158 } 1159 1160 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 1161 struct rtw_vif *rtwvif, 1162 enum rtw_rsvd_packet_type type, 1163 bool txdesc) 1164 { 1165 struct rtw_rsvd_page *rsvd_pkt; 1166 1167 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1168 if (!rsvd_pkt) { 1169 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1170 return; 1171 } 1172 1173 rsvd_pkt->rtwvif = rtwvif; 1174 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1175 } 1176 1177 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1178 struct rtw_vif *rtwvif, 1179 struct cfg80211_ssid *ssid) 1180 { 1181 struct rtw_rsvd_page *rsvd_pkt; 1182 1183 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1184 if (!rsvd_pkt) { 1185 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1186 return; 1187 } 1188 1189 rsvd_pkt->rtwvif = rtwvif; 1190 rsvd_pkt->ssid = ssid; 1191 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1192 } 1193 1194 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1195 struct rtw_vif *rtwvif) 1196 { 1197 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1198 1199 lockdep_assert_held(&rtwdev->mutex); 1200 1201 /* remove all of the rsvd pages for vif */ 1202 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1203 vif_list) { 1204 list_del(&rsvd_pkt->vif_list); 1205 if (!list_empty(&rsvd_pkt->build_list)) 1206 list_del(&rsvd_pkt->build_list); 1207 kfree(rsvd_pkt); 1208 } 1209 } 1210 1211 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1212 struct rtw_vif *rtwvif) 1213 { 1214 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1215 1216 if (vif->type != NL80211_IFTYPE_AP && 1217 vif->type != NL80211_IFTYPE_ADHOC && 1218 vif->type != NL80211_IFTYPE_MESH_POINT) { 1219 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1220 vif->type); 1221 return; 1222 } 1223 1224 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1225 } 1226 1227 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1228 struct rtw_vif *rtwvif) 1229 { 1230 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1231 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1232 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1233 struct cfg80211_ssid *ssid; 1234 int i; 1235 1236 if (vif->type != NL80211_IFTYPE_STATION) { 1237 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1238 vif->type); 1239 return; 1240 } 1241 1242 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1243 ssid = &rtw_pno_req->match_sets[i].ssid; 1244 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1245 } 1246 1247 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1248 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1249 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1250 } 1251 1252 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1253 struct rtw_vif *rtwvif) 1254 { 1255 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1256 1257 if (vif->type != NL80211_IFTYPE_STATION) { 1258 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1259 vif->type); 1260 return; 1261 } 1262 1263 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1264 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1265 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1266 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1267 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1268 } 1269 1270 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1271 u8 *buf, u32 size) 1272 { 1273 u8 bckp[2]; 1274 u8 val; 1275 u16 rsvd_pg_head; 1276 u32 bcn_valid_addr; 1277 u32 bcn_valid_mask; 1278 int ret; 1279 1280 lockdep_assert_held(&rtwdev->mutex); 1281 1282 if (!size) 1283 return -EINVAL; 1284 1285 if (rtw_chip_wcpu_11n(rtwdev)) { 1286 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1287 } else { 1288 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1289 pg_addr |= BIT_BCN_VALID_V1; 1290 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1291 } 1292 1293 val = rtw_read8(rtwdev, REG_CR + 1); 1294 bckp[0] = val; 1295 val |= BIT_ENSWBCN >> 8; 1296 rtw_write8(rtwdev, REG_CR + 1, val); 1297 1298 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1299 bckp[1] = val; 1300 val &= ~(BIT_EN_BCNQ_DL >> 16); 1301 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1302 1303 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1304 if (ret) { 1305 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1306 goto restore; 1307 } 1308 1309 if (rtw_chip_wcpu_11n(rtwdev)) { 1310 bcn_valid_addr = REG_DWBCN0_CTRL; 1311 bcn_valid_mask = BIT_BCN_VALID; 1312 } else { 1313 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1314 bcn_valid_mask = BIT_BCN_VALID_V1; 1315 } 1316 1317 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1318 rtw_err(rtwdev, "error beacon valid\n"); 1319 ret = -EBUSY; 1320 } 1321 1322 restore: 1323 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1324 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1325 rsvd_pg_head | BIT_BCN_VALID_V1); 1326 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1327 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1328 1329 return ret; 1330 } 1331 1332 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1333 { 1334 u32 pg_size; 1335 u32 pg_num = 0; 1336 u16 pg_addr = 0; 1337 1338 pg_size = rtwdev->chip->page_size; 1339 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1340 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1341 return -ENOMEM; 1342 1343 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1344 1345 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1346 } 1347 1348 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1349 { 1350 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1351 1352 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1353 build_list) { 1354 list_del_init(&rsvd_pkt->build_list); 1355 1356 /* Don't free except for the dummy rsvd page, 1357 * others will be freed when removing vif 1358 */ 1359 if (rsvd_pkt->type == RSVD_DUMMY) 1360 kfree(rsvd_pkt); 1361 } 1362 } 1363 1364 static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1365 struct ieee80211_vif *vif) 1366 { 1367 struct rtw_dev *rtwdev = data; 1368 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1369 struct rtw_rsvd_page *rsvd_pkt; 1370 1371 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1372 if (rsvd_pkt->type == RSVD_BEACON) 1373 list_add(&rsvd_pkt->build_list, 1374 &rtwdev->rsvd_page_list); 1375 else 1376 list_add_tail(&rsvd_pkt->build_list, 1377 &rtwdev->rsvd_page_list); 1378 } 1379 } 1380 1381 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1382 { 1383 struct rtw_rsvd_page *rsvd_pkt; 1384 1385 __rtw_build_rsvd_page_reset(rtwdev); 1386 1387 /* gather rsvd page from vifs */ 1388 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1389 1390 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1391 struct rtw_rsvd_page, build_list); 1392 if (!rsvd_pkt) { 1393 WARN(1, "Should not have an empty reserved page\n"); 1394 return -EINVAL; 1395 } 1396 1397 /* the first rsvd should be beacon, otherwise add a dummy one */ 1398 if (rsvd_pkt->type != RSVD_BEACON) { 1399 struct rtw_rsvd_page *dummy_pkt; 1400 1401 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1402 if (!dummy_pkt) { 1403 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1404 return -ENOMEM; 1405 } 1406 1407 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1408 } 1409 1410 return 0; 1411 } 1412 1413 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1414 { 1415 struct ieee80211_hw *hw = rtwdev->hw; 1416 struct rtw_chip_info *chip = rtwdev->chip; 1417 struct sk_buff *iter; 1418 struct rtw_rsvd_page *rsvd_pkt; 1419 u32 page = 0; 1420 u8 total_page = 0; 1421 u8 page_size, page_margin, tx_desc_sz; 1422 u8 *buf; 1423 int ret; 1424 1425 page_size = chip->page_size; 1426 tx_desc_sz = chip->tx_pkt_desc_sz; 1427 page_margin = page_size - tx_desc_sz; 1428 1429 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1430 if (ret) { 1431 rtw_err(rtwdev, 1432 "failed to build rsvd page from vifs, ret %d\n", ret); 1433 return NULL; 1434 } 1435 1436 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1437 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1438 if (!iter) { 1439 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1440 goto release_skb; 1441 } 1442 1443 /* Fill the tx_desc for the rsvd pkt that requires one. 1444 * And iter->len will be added with size of tx_desc_sz. 1445 */ 1446 if (rsvd_pkt->add_txdesc) 1447 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1448 1449 rsvd_pkt->skb = iter; 1450 rsvd_pkt->page = total_page; 1451 1452 /* Reserved page is downloaded via TX path, and TX path will 1453 * generate a tx_desc at the header to describe length of 1454 * the buffer. If we are not counting page numbers with the 1455 * size of tx_desc added at the first rsvd_pkt (usually a 1456 * beacon, firmware default refer to the first page as the 1457 * content of beacon), we could generate a buffer which size 1458 * is smaller than the actual size of the whole rsvd_page 1459 */ 1460 if (total_page == 0) { 1461 if (rsvd_pkt->type != RSVD_BEACON && 1462 rsvd_pkt->type != RSVD_DUMMY) { 1463 rtw_err(rtwdev, "first page should be a beacon\n"); 1464 goto release_skb; 1465 } 1466 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1467 page_size); 1468 } else { 1469 total_page += rtw_len_to_page(iter->len, page_size); 1470 } 1471 } 1472 1473 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1474 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1475 goto release_skb; 1476 } 1477 1478 *size = (total_page - 1) * page_size + page_margin; 1479 buf = kzalloc(*size, GFP_KERNEL); 1480 if (!buf) 1481 goto release_skb; 1482 1483 /* Copy the content of each rsvd_pkt to the buf, and they should 1484 * be aligned to the pages. 1485 * 1486 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1487 * And that rsvd_pkt does not require tx_desc because when it goes 1488 * through TX path, the TX path will generate one for it. 1489 */ 1490 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1491 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1492 page, buf, rsvd_pkt); 1493 if (page == 0) 1494 page += rtw_len_to_page(rsvd_pkt->skb->len + 1495 tx_desc_sz, page_size); 1496 else 1497 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1498 1499 kfree_skb(rsvd_pkt->skb); 1500 rsvd_pkt->skb = NULL; 1501 } 1502 1503 return buf; 1504 1505 release_skb: 1506 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1507 kfree_skb(rsvd_pkt->skb); 1508 rsvd_pkt->skb = NULL; 1509 } 1510 1511 return NULL; 1512 } 1513 1514 static int rtw_download_beacon(struct rtw_dev *rtwdev) 1515 { 1516 struct ieee80211_hw *hw = rtwdev->hw; 1517 struct rtw_rsvd_page *rsvd_pkt; 1518 struct sk_buff *skb; 1519 int ret = 0; 1520 1521 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1522 struct rtw_rsvd_page, build_list); 1523 if (!rsvd_pkt) { 1524 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1525 return -ENOENT; 1526 } 1527 1528 if (rsvd_pkt->type != RSVD_BEACON && 1529 rsvd_pkt->type != RSVD_DUMMY) { 1530 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1531 rsvd_pkt->type); 1532 return -EINVAL; 1533 } 1534 1535 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1536 if (!skb) { 1537 rtw_err(rtwdev, "failed to get beacon skb\n"); 1538 return -ENOMEM; 1539 } 1540 1541 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1542 if (ret) 1543 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1544 1545 dev_kfree_skb(skb); 1546 1547 return ret; 1548 } 1549 1550 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1551 { 1552 u8 *buf; 1553 u32 size; 1554 int ret; 1555 1556 buf = rtw_build_rsvd_page(rtwdev, &size); 1557 if (!buf) { 1558 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1559 return -ENOMEM; 1560 } 1561 1562 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1563 if (ret) { 1564 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1565 goto free; 1566 } 1567 1568 /* The last thing is to download the *ONLY* beacon again, because 1569 * the previous tx_desc is to describe the total rsvd page. Download 1570 * the beacon again to replace the TX desc header, and we will get 1571 * a correct tx_desc for the beacon in the rsvd page. 1572 */ 1573 ret = rtw_download_beacon(rtwdev); 1574 if (ret) { 1575 rtw_err(rtwdev, "failed to download beacon\n"); 1576 goto free; 1577 } 1578 1579 free: 1580 kfree(buf); 1581 1582 return ret; 1583 } 1584 1585 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1586 u32 *buf, u32 residue, u16 start_pg) 1587 { 1588 u32 i; 1589 u16 idx = 0; 1590 u16 ctl; 1591 1592 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1593 /* disable rx clock gate */ 1594 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 1595 1596 do { 1597 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); 1598 1599 for (i = FIFO_DUMP_ADDR + residue; 1600 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { 1601 buf[idx++] = rtw_read32(rtwdev, i); 1602 size -= 4; 1603 if (size == 0) 1604 goto out; 1605 } 1606 1607 residue = 0; 1608 start_pg++; 1609 } while (size); 1610 1611 out: 1612 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1613 /* restore rx clock gate */ 1614 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1615 } 1616 1617 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1618 u32 offset, u32 size, u32 *buf) 1619 { 1620 struct rtw_chip_info *chip = rtwdev->chip; 1621 u32 start_pg, residue; 1622 1623 if (sel >= RTW_FW_FIFO_MAX) { 1624 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1625 return; 1626 } 1627 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1628 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1629 residue = offset & (FIFO_PAGE_SIZE - 1); 1630 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1631 1632 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1633 } 1634 1635 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1636 enum rtw_fw_fifo_sel sel, 1637 u32 start_addr, u32 size) 1638 { 1639 switch (sel) { 1640 case RTW_FW_FIFO_SEL_TX: 1641 case RTW_FW_FIFO_SEL_RX: 1642 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1643 return false; 1644 fallthrough; 1645 default: 1646 return true; 1647 } 1648 } 1649 1650 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1651 u32 *buffer) 1652 { 1653 if (!rtwdev->chip->fw_fifo_addr[0]) { 1654 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1655 return -ENOTSUPP; 1656 } 1657 1658 if (size == 0 || !buffer) 1659 return -EINVAL; 1660 1661 if (size & 0x3) { 1662 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1663 return -EINVAL; 1664 } 1665 1666 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1667 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1668 return -EINVAL; 1669 } 1670 1671 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1672 1673 return 0; 1674 } 1675 1676 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1677 u8 location) 1678 { 1679 struct rtw_chip_info *chip = rtwdev->chip; 1680 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1681 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1682 1683 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1684 1685 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1686 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1687 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1688 1689 /* include txdesc size */ 1690 size += chip->tx_pkt_desc_sz; 1691 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1692 1693 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1694 } 1695 1696 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1697 struct cfg80211_ssid *ssid) 1698 { 1699 u8 loc; 1700 u16 size; 1701 1702 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1703 if (!loc) { 1704 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1705 return; 1706 } 1707 1708 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1709 if (!size) { 1710 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1711 return; 1712 } 1713 1714 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1715 } 1716 1717 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1718 { 1719 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1720 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1721 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1722 u8 loc_ch_info; 1723 const struct rtw_ch_switch_option cs_option = { 1724 .dest_ch_en = 1, 1725 .dest_ch = 1, 1726 .periodic_option = 2, 1727 .normal_period = 5, 1728 .normal_period_sel = 0, 1729 .normal_cycle = 10, 1730 .slow_period = 1, 1731 .slow_period_sel = 1, 1732 }; 1733 1734 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1735 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1736 1737 CH_SWITCH_SET_START(h2c_pkt, enable); 1738 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1739 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1740 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1741 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1742 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1743 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1744 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1745 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1746 1747 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1748 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1749 1750 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1751 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1752 1753 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1754 } 1755 1756 void rtw_fw_adaptivity(struct rtw_dev *rtwdev) 1757 { 1758 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1759 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1760 1761 if (!rtw_edcca_enabled) { 1762 dm_info->edcca_mode = RTW_EDCCA_NORMAL; 1763 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 1764 "EDCCA disabled by debugfs\n"); 1765 } 1766 1767 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); 1768 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); 1769 SET_ADAPTIVITY_OPTION(h2c_pkt, 2); 1770 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); 1771 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); 1772 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); 1773 1774 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1775 } 1776 1777 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 1778 { 1779 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1780 1781 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN); 1782 SET_SCAN_START(h2c_pkt, start); 1783 1784 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1785 } 1786 1787 static void rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb, 1788 struct sk_buff_head *list, 1789 struct rtw_vif *rtwvif) 1790 { 1791 struct ieee80211_scan_ies *ies = rtwvif->scan_ies; 1792 struct rtw_chip_info *chip = rtwdev->chip; 1793 struct sk_buff *new; 1794 u8 idx; 1795 1796 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) { 1797 if (!(BIT(idx) & chip->band)) 1798 continue; 1799 new = skb_copy(skb, GFP_KERNEL); 1800 skb_put_data(new, ies->ies[idx], ies->len[idx]); 1801 skb_put_data(new, ies->common_ies, ies->common_ie_len); 1802 skb_queue_tail(list, new); 1803 } 1804 } 1805 1806 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_ssids, 1807 struct sk_buff_head *probe_req_list) 1808 { 1809 struct rtw_chip_info *chip = rtwdev->chip; 1810 struct sk_buff *skb, *tmp; 1811 u8 page_offset = 1, *buf, page_size = chip->page_size; 1812 u8 pages = page_offset + num_ssids * RTW_PROBE_PG_CNT; 1813 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc; 1814 u16 buf_offset = page_size * page_offset; 1815 u8 tx_desc_sz = chip->tx_pkt_desc_sz; 1816 unsigned int pkt_len; 1817 int ret; 1818 1819 buf = kzalloc(page_size * pages, GFP_KERNEL); 1820 if (!buf) 1821 return -ENOMEM; 1822 1823 buf_offset -= tx_desc_sz; 1824 skb_queue_walk_safe(probe_req_list, skb, tmp) { 1825 skb_unlink(skb, probe_req_list); 1826 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ); 1827 if (skb->len > page_size * RTW_PROBE_PG_CNT) { 1828 ret = -EINVAL; 1829 goto out; 1830 } 1831 1832 memcpy(buf + buf_offset, skb->data, skb->len); 1833 pkt_len = skb->len - tx_desc_sz; 1834 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset; 1835 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc); 1836 1837 buf_offset += RTW_PROBE_PG_CNT * page_size; 1838 page_offset += RTW_PROBE_PG_CNT; 1839 kfree_skb(skb); 1840 } 1841 1842 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset); 1843 if (ret) { 1844 rtw_err(rtwdev, "Download probe request to firmware failed\n"); 1845 goto out; 1846 } 1847 1848 rtwdev->scan_info.probe_pg_size = page_offset; 1849 out: 1850 kfree(buf); 1851 1852 return ret; 1853 } 1854 1855 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, 1856 struct rtw_vif *rtwvif) 1857 { 1858 struct cfg80211_scan_request *req = rtwvif->scan_req; 1859 struct sk_buff_head list; 1860 struct sk_buff *skb; 1861 u8 num = req->n_ssids, i; 1862 1863 skb_queue_head_init(&list); 1864 for (i = 0; i < num; i++) { 1865 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr, 1866 req->ssids[i].ssid, 1867 req->ssids[i].ssid_len, 1868 req->ie_len); 1869 rtw_append_probe_req_ie(rtwdev, skb, &list, rtwvif); 1870 kfree_skb(skb); 1871 } 1872 1873 return _rtw_hw_scan_update_probe_req(rtwdev, num, &list); 1874 } 1875 1876 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info, 1877 struct rtw_chan_list *list, u8 *buf) 1878 { 1879 u8 *chan = &buf[list->size]; 1880 u8 info_size = RTW_CH_INFO_SIZE; 1881 1882 if (list->size > list->buf_size) 1883 return -ENOMEM; 1884 1885 CH_INFO_SET_CH(chan, info->channel); 1886 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx); 1887 CH_INFO_SET_BW(chan, info->bw); 1888 CH_INFO_SET_TIMEOUT(chan, info->timeout); 1889 CH_INFO_SET_ACTION_ID(chan, info->action_id); 1890 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info); 1891 if (info->extra_info) { 1892 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS); 1893 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN); 1894 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE - 1895 RTW_EX_CH_INFO_HDR_SIZE); 1896 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME); 1897 info_size += RTW_EX_CH_INFO_SIZE; 1898 } 1899 list->size += info_size; 1900 list->ch_num++; 1901 1902 return 0; 1903 } 1904 1905 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 1906 struct rtw_chan_list *list, u8 *buf) 1907 { 1908 struct cfg80211_scan_request *req = rtwvif->scan_req; 1909 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 1910 struct ieee80211_channel *channel; 1911 int i, ret = 0; 1912 1913 for (i = 0; i < req->n_channels; i++) { 1914 struct rtw_chan_info ch_info = {0}; 1915 1916 channel = req->channels[i]; 1917 ch_info.channel = channel->hw_value; 1918 ch_info.bw = RTW_SCAN_WIDTH; 1919 ch_info.pri_ch_idx = RTW_PRI_CH_IDX; 1920 ch_info.timeout = req->duration_mandatory ? 1921 req->duration : RTW_CHANNEL_TIME; 1922 1923 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) { 1924 ch_info.action_id = RTW_CHANNEL_RADAR; 1925 ch_info.extra_info = 1; 1926 /* Overwrite duration for passive scans if necessary */ 1927 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ? 1928 ch_info.timeout : RTW_PASS_CHAN_TIME; 1929 } else { 1930 ch_info.action_id = RTW_CHANNEL_ACTIVE; 1931 } 1932 1933 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf); 1934 if (ret) 1935 return ret; 1936 } 1937 1938 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) { 1939 rtw_err(rtwdev, "List exceeds rsvd page total size\n"); 1940 return -EINVAL; 1941 } 1942 1943 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size; 1944 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size); 1945 if (ret) 1946 rtw_err(rtwdev, "Download channel list failed\n"); 1947 1948 return ret; 1949 } 1950 1951 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev, 1952 struct rtw_ch_switch_option *opt, 1953 struct rtw_vif *rtwvif, 1954 struct rtw_chan_list *list) 1955 { 1956 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 1957 struct cfg80211_scan_request *req = rtwvif->scan_req; 1958 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 1959 /* reserve one dummy page at the beginning for tx descriptor */ 1960 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1; 1961 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN; 1962 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1963 1964 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD); 1965 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN); 1966 1967 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en); 1968 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en); 1969 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq); 1970 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck); 1971 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num); 1972 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size); 1973 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary); 1974 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan); 1975 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx); 1976 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw); 1977 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port); 1978 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ? 1979 req->duration : RTW_CHANNEL_TIME); 1980 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME); 1981 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids); 1982 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc); 1983 1984 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1985 } 1986 1987 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 1988 struct ieee80211_scan_request *scan_req) 1989 { 1990 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1991 struct cfg80211_scan_request *req = &scan_req->req; 1992 u8 mac_addr[ETH_ALEN]; 1993 1994 rtwdev->scan_info.scanning_vif = vif; 1995 rtwvif->scan_ies = &scan_req->ies; 1996 rtwvif->scan_req = req; 1997 1998 ieee80211_stop_queues(rtwdev->hw); 1999 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) 2000 get_random_mask_addr(mac_addr, req->mac_addr, 2001 req->mac_addr_mask); 2002 else 2003 ether_addr_copy(mac_addr, vif->addr); 2004 2005 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true); 2006 2007 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN; 2008 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2009 } 2010 2011 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2012 bool aborted) 2013 { 2014 struct cfg80211_scan_info info = { 2015 .aborted = aborted, 2016 }; 2017 struct rtw_vif *rtwvif; 2018 2019 if (!vif) 2020 return; 2021 2022 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 2023 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2024 2025 rtw_core_scan_complete(rtwdev, vif); 2026 2027 ieee80211_wake_queues(rtwdev->hw); 2028 ieee80211_scan_completed(rtwdev->hw, &info); 2029 2030 rtwvif = (struct rtw_vif *)vif->drv_priv; 2031 rtwvif->scan_req = NULL; 2032 rtwvif->scan_ies = NULL; 2033 rtwdev->scan_info.scanning_vif = NULL; 2034 } 2035 2036 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2037 struct rtw_chan_list *list) 2038 { 2039 struct cfg80211_scan_request *req = rtwvif->scan_req; 2040 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE); 2041 u8 *buf; 2042 int ret; 2043 2044 buf = kmalloc(size, GFP_KERNEL); 2045 if (!buf) 2046 return -ENOMEM; 2047 2048 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif); 2049 if (ret) { 2050 rtw_err(rtwdev, "Update probe request failed\n"); 2051 goto out; 2052 } 2053 2054 list->buf_size = size; 2055 list->size = 0; 2056 list->ch_num = 0; 2057 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf); 2058 out: 2059 kfree(buf); 2060 2061 return ret; 2062 } 2063 2064 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2065 bool enable) 2066 { 2067 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL; 2068 struct rtw_ch_switch_option cs_option = {0}; 2069 struct rtw_chan_list chan_list = {0}; 2070 int ret = 0; 2071 2072 if (!rtwvif) 2073 return -EINVAL; 2074 2075 cs_option.switch_en = enable; 2076 cs_option.back_op_en = rtwvif->net_type == RTW_NET_MGD_LINKED; 2077 if (enable) { 2078 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list); 2079 if (ret) 2080 goto out; 2081 } 2082 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list); 2083 out: 2084 return ret; 2085 } 2086 2087 void rtw_hw_scan_abort(struct rtw_dev *rtwdev, struct ieee80211_vif *vif) 2088 { 2089 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 2090 return; 2091 2092 rtw_hw_scan_offload(rtwdev, vif, false); 2093 rtw_hw_scan_complete(rtwdev, vif, true); 2094 } 2095 2096 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb) 2097 { 2098 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2099 struct rtw_c2h_cmd *c2h; 2100 bool aborted; 2101 u8 rc; 2102 2103 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2104 return; 2105 2106 c2h = get_c2h_from_skb(skb); 2107 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload); 2108 aborted = rc != RTW_SCAN_REPORT_SUCCESS; 2109 rtw_hw_scan_complete(rtwdev, vif, aborted); 2110 2111 if (aborted) 2112 rtw_info(rtwdev, "HW scan aborted with code: %d\n", rc); 2113 } 2114 2115 void rtw_store_op_chan(struct rtw_dev *rtwdev) 2116 { 2117 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2118 struct rtw_hal *hal = &rtwdev->hal; 2119 2120 scan_info->op_chan = hal->current_channel; 2121 scan_info->op_bw = hal->current_band_width; 2122 scan_info->op_pri_ch_idx = hal->current_primary_channel_index; 2123 } 2124 2125 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel) 2126 { 2127 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2128 2129 return channel == scan_info->op_chan; 2130 } 2131 2132 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb) 2133 { 2134 struct rtw_hal *hal = &rtwdev->hal; 2135 struct rtw_c2h_cmd *c2h; 2136 enum rtw_scan_notify_id id; 2137 u8 chan, status; 2138 2139 c2h = get_c2h_from_skb(skb); 2140 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload); 2141 id = GET_CHAN_SWITCH_ID(c2h->payload); 2142 status = GET_CHAN_SWITCH_STATUS(c2h->payload); 2143 2144 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) { 2145 if (rtw_is_op_chan(rtwdev, chan)) 2146 ieee80211_wake_queues(rtwdev->hw); 2147 hal->current_channel = chan; 2148 hal->current_band_type = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2149 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) { 2150 if (IS_CH_5G_BAND(chan)) { 2151 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); 2152 } else if (IS_CH_2G_BAND(chan)) { 2153 u8 chan_type; 2154 2155 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2156 chan_type = COEX_SWITCH_TO_24G; 2157 else 2158 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN; 2159 rtw_coex_switchband_notify(rtwdev, chan_type); 2160 } 2161 if (rtw_is_op_chan(rtwdev, chan)) 2162 ieee80211_stop_queues(rtwdev->hw); 2163 } 2164 2165 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, 2166 "Chan switch: %x, id: %x, status: %x\n", chan, id, status); 2167 } 2168