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 #include "phy.h" 18 #include "mac.h" 19 20 static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev, 21 struct sk_buff *skb) 22 { 23 struct rtw_c2h_cmd *c2h; 24 u8 sub_cmd_id; 25 26 c2h = get_c2h_from_skb(skb); 27 sub_cmd_id = c2h->payload[0]; 28 29 switch (sub_cmd_id) { 30 case C2H_CCX_RPT: 31 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_RPT); 32 break; 33 case C2H_SCAN_STATUS_RPT: 34 rtw_hw_scan_status_report(rtwdev, skb); 35 break; 36 case C2H_CHAN_SWITCH: 37 rtw_hw_scan_chan_switch(rtwdev, skb); 38 break; 39 default: 40 break; 41 } 42 } 43 44 static u16 get_max_amsdu_len(u32 bit_rate) 45 { 46 /* lower than ofdm, do not aggregate */ 47 if (bit_rate < 550) 48 return 1; 49 50 /* lower than 20M 2ss mcs8, make it small */ 51 if (bit_rate < 1800) 52 return 1200; 53 54 /* lower than 40M 2ss mcs9, make it medium */ 55 if (bit_rate < 4000) 56 return 2600; 57 58 /* not yet 80M 2ss mcs8/9, make it twice regular packet size */ 59 if (bit_rate < 7000) 60 return 3500; 61 62 /* unlimited */ 63 return 0; 64 } 65 66 struct rtw_fw_iter_ra_data { 67 struct rtw_dev *rtwdev; 68 u8 *payload; 69 }; 70 71 static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta) 72 { 73 struct rtw_fw_iter_ra_data *ra_data = data; 74 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 75 u8 mac_id, rate, sgi, bw; 76 u8 mcs, nss; 77 u32 bit_rate; 78 79 mac_id = GET_RA_REPORT_MACID(ra_data->payload); 80 if (si->mac_id != mac_id) 81 return; 82 83 si->ra_report.txrate.flags = 0; 84 85 rate = GET_RA_REPORT_RATE(ra_data->payload); 86 sgi = GET_RA_REPORT_SGI(ra_data->payload); 87 bw = GET_RA_REPORT_BW(ra_data->payload); 88 89 if (rate < DESC_RATEMCS0) { 90 si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate); 91 goto legacy; 92 } 93 94 rtw_desc_to_mcsrate(rate, &mcs, &nss); 95 if (rate >= DESC_RATEVHT1SS_MCS0) 96 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS; 97 else if (rate >= DESC_RATEMCS0) 98 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS; 99 100 if (rate >= DESC_RATEMCS0) { 101 si->ra_report.txrate.mcs = mcs; 102 si->ra_report.txrate.nss = nss; 103 } 104 105 if (sgi) 106 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 107 108 if (bw == RTW_CHANNEL_WIDTH_80) 109 si->ra_report.txrate.bw = RATE_INFO_BW_80; 110 else if (bw == RTW_CHANNEL_WIDTH_40) 111 si->ra_report.txrate.bw = RATE_INFO_BW_40; 112 else 113 si->ra_report.txrate.bw = RATE_INFO_BW_20; 114 115 legacy: 116 bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate); 117 118 si->ra_report.desc_rate = rate; 119 si->ra_report.bit_rate = bit_rate; 120 121 sta->deflink.agg.max_rc_amsdu_len = get_max_amsdu_len(bit_rate); 122 } 123 124 static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload, 125 u8 length) 126 { 127 struct rtw_fw_iter_ra_data ra_data; 128 129 if (WARN(length < 7, "invalid ra report c2h length\n")) 130 return; 131 132 rtwdev->dm_info.tx_rate = GET_RA_REPORT_RATE(payload); 133 ra_data.rtwdev = rtwdev; 134 ra_data.payload = payload; 135 rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data); 136 } 137 138 struct rtw_beacon_filter_iter_data { 139 struct rtw_dev *rtwdev; 140 u8 *payload; 141 }; 142 143 static void rtw_fw_bcn_filter_notify_vif_iter(void *data, u8 *mac, 144 struct ieee80211_vif *vif) 145 { 146 struct rtw_beacon_filter_iter_data *iter_data = data; 147 struct rtw_dev *rtwdev = iter_data->rtwdev; 148 u8 *payload = iter_data->payload; 149 u8 type = GET_BCN_FILTER_NOTIFY_TYPE(payload); 150 u8 event = GET_BCN_FILTER_NOTIFY_EVENT(payload); 151 s8 sig = (s8)GET_BCN_FILTER_NOTIFY_RSSI(payload); 152 153 switch (type) { 154 case BCN_FILTER_NOTIFY_SIGNAL_CHANGE: 155 event = event ? NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH : 156 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; 157 ieee80211_cqm_rssi_notify(vif, event, sig, GFP_KERNEL); 158 break; 159 case BCN_FILTER_CONNECTION_LOSS: 160 ieee80211_connection_loss(vif); 161 break; 162 case BCN_FILTER_CONNECTED: 163 rtwdev->beacon_loss = false; 164 break; 165 case BCN_FILTER_NOTIFY_BEACON_LOSS: 166 rtwdev->beacon_loss = true; 167 rtw_leave_lps(rtwdev); 168 break; 169 } 170 } 171 172 static void rtw_fw_bcn_filter_notify(struct rtw_dev *rtwdev, u8 *payload, 173 u8 length) 174 { 175 struct rtw_beacon_filter_iter_data dev_iter_data; 176 177 dev_iter_data.rtwdev = rtwdev; 178 dev_iter_data.payload = payload; 179 rtw_iterate_vifs(rtwdev, rtw_fw_bcn_filter_notify_vif_iter, 180 &dev_iter_data); 181 } 182 183 static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload, 184 u8 length) 185 { 186 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 187 188 dm_info->scan_density = payload[0]; 189 190 rtw_dbg(rtwdev, RTW_DBG_FW, "scan.density = %x\n", 191 dm_info->scan_density); 192 } 193 194 static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload, 195 u8 length) 196 { 197 struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th; 198 struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload; 199 200 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 201 "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n", 202 result->density, result->igi, result->l2h_th_init, result->l2h, 203 result->h2l, result->option); 204 205 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n", 206 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr, 207 edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask), 208 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr, 209 edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask)); 210 211 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n", 212 rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ? 213 "Set" : "Unset"); 214 } 215 216 void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb) 217 { 218 struct rtw_c2h_cmd *c2h; 219 u32 pkt_offset; 220 u8 len; 221 222 pkt_offset = *((u32 *)skb->cb); 223 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 224 len = skb->len - pkt_offset - 2; 225 226 mutex_lock(&rtwdev->mutex); 227 228 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 229 goto unlock; 230 231 switch (c2h->id) { 232 case C2H_CCX_TX_RPT: 233 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT); 234 break; 235 case C2H_BT_INFO: 236 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len); 237 break; 238 case C2H_BT_HID_INFO: 239 rtw_coex_bt_hid_info_notify(rtwdev, c2h->payload, len); 240 break; 241 case C2H_WLAN_INFO: 242 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len); 243 break; 244 case C2H_BCN_FILTER_NOTIFY: 245 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len); 246 break; 247 case C2H_HALMAC: 248 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb); 249 break; 250 case C2H_RA_RPT: 251 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len); 252 break; 253 default: 254 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id); 255 break; 256 } 257 258 unlock: 259 mutex_unlock(&rtwdev->mutex); 260 } 261 262 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, 263 struct sk_buff *skb) 264 { 265 struct rtw_c2h_cmd *c2h; 266 u8 len; 267 268 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 269 len = skb->len - pkt_offset - 2; 270 *((u32 *)skb->cb) = pkt_offset; 271 272 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", 273 c2h->id, c2h->seq, len); 274 275 switch (c2h->id) { 276 case C2H_BT_MP_INFO: 277 rtw_coex_info_response(rtwdev, skb); 278 break; 279 case C2H_WLAN_RFON: 280 complete(&rtwdev->lps_leave_check); 281 dev_kfree_skb_any(skb); 282 break; 283 case C2H_SCAN_RESULT: 284 complete(&rtwdev->fw_scan_density); 285 rtw_fw_scan_result(rtwdev, c2h->payload, len); 286 dev_kfree_skb_any(skb); 287 break; 288 case C2H_ADAPTIVITY: 289 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len); 290 dev_kfree_skb_any(skb); 291 break; 292 default: 293 /* pass offset for further operation */ 294 *((u32 *)skb->cb) = pkt_offset; 295 skb_queue_tail(&rtwdev->c2h_queue, skb); 296 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); 297 break; 298 } 299 } 300 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); 301 302 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev) 303 { 304 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER) 305 rtw_fw_recovery(rtwdev); 306 else 307 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n"); 308 } 309 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); 310 311 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, 312 u8 *h2c) 313 { 314 struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c; 315 u8 box; 316 u8 box_state; 317 u32 box_reg, box_ex_reg; 318 int ret; 319 320 rtw_dbg(rtwdev, RTW_DBG_FW, 321 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n", 322 h2c[3], h2c[2], h2c[1], h2c[0], 323 h2c[7], h2c[6], h2c[5], h2c[4]); 324 325 spin_lock(&rtwdev->h2c.lock); 326 327 box = rtwdev->h2c.last_box_num; 328 switch (box) { 329 case 0: 330 box_reg = REG_HMEBOX0; 331 box_ex_reg = REG_HMEBOX0_EX; 332 break; 333 case 1: 334 box_reg = REG_HMEBOX1; 335 box_ex_reg = REG_HMEBOX1_EX; 336 break; 337 case 2: 338 box_reg = REG_HMEBOX2; 339 box_ex_reg = REG_HMEBOX2_EX; 340 break; 341 case 3: 342 box_reg = REG_HMEBOX3; 343 box_ex_reg = REG_HMEBOX3_EX; 344 break; 345 default: 346 WARN(1, "invalid h2c mail box number\n"); 347 goto out; 348 } 349 350 ret = read_poll_timeout_atomic(rtw_read8, box_state, 351 !((box_state >> box) & 0x1), 100, 3000, 352 false, rtwdev, REG_HMETFR); 353 354 if (ret) { 355 rtw_err(rtwdev, "failed to send h2c command\n"); 356 goto out; 357 } 358 359 rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext)); 360 rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg)); 361 362 if (++rtwdev->h2c.last_box_num >= 4) 363 rtwdev->h2c.last_box_num = 0; 364 365 out: 366 spin_unlock(&rtwdev->h2c.lock); 367 } 368 369 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) 370 { 371 rtw_fw_send_h2c_command(rtwdev, h2c); 372 } 373 374 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) 375 { 376 int ret; 377 378 spin_lock(&rtwdev->h2c.lock); 379 380 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq); 381 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE); 382 if (ret) 383 rtw_err(rtwdev, "failed to send h2c packet\n"); 384 rtwdev->h2c.seq++; 385 386 spin_unlock(&rtwdev->h2c.lock); 387 } 388 389 void 390 rtw_fw_send_general_info(struct rtw_dev *rtwdev) 391 { 392 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 393 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 394 u16 total_size = H2C_PKT_HDR_SIZE + 4; 395 396 if (rtw_chip_wcpu_11n(rtwdev)) 397 return; 398 399 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO); 400 401 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 402 403 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt, 404 fifo->rsvd_fw_txbuf_addr - 405 fifo->rsvd_boundary); 406 407 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 408 } 409 410 void 411 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev) 412 { 413 struct rtw_hal *hal = &rtwdev->hal; 414 struct rtw_efuse *efuse = &rtwdev->efuse; 415 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 416 u16 total_size = H2C_PKT_HDR_SIZE + 8; 417 u8 fw_rf_type = 0; 418 419 if (rtw_chip_wcpu_11n(rtwdev)) 420 return; 421 422 if (hal->rf_type == RF_1T1R) 423 fw_rf_type = FW_RF_1T1R; 424 else if (hal->rf_type == RF_2T2R) 425 fw_rf_type = FW_RF_2T2R; 426 427 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO); 428 429 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 430 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option); 431 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type); 432 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version); 433 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx); 434 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx); 435 436 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 437 } 438 439 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para) 440 { 441 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 442 u16 total_size = H2C_PKT_HDR_SIZE + 1; 443 444 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK); 445 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 446 IQK_SET_CLEAR(h2c_pkt, para->clear); 447 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk); 448 449 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 450 } 451 EXPORT_SYMBOL(rtw_fw_do_iqk); 452 453 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start) 454 { 455 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 456 457 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION); 458 459 RFK_SET_INFORM_START(h2c_pkt, start); 460 461 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 462 } 463 EXPORT_SYMBOL(rtw_fw_inform_rfk_status); 464 465 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev) 466 { 467 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 468 469 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO); 470 471 SET_QUERY_BT_INFO(h2c_pkt, true); 472 473 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 474 } 475 476 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw) 477 { 478 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 479 480 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO); 481 482 SET_WL_CH_INFO_LINK(h2c_pkt, link); 483 SET_WL_CH_INFO_CHNL(h2c_pkt, ch); 484 SET_WL_CH_INFO_BW(h2c_pkt, bw); 485 486 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 487 } 488 489 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev, 490 struct rtw_coex_info_req *req) 491 { 492 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 493 494 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO); 495 496 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq); 497 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code); 498 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1); 499 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2); 500 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3); 501 502 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 503 } 504 505 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl) 506 { 507 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 508 u8 index = 0 - bt_pwr_dec_lvl; 509 510 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER); 511 512 SET_BT_TX_POWER_INDEX(h2c_pkt, index); 513 514 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 515 } 516 517 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable) 518 { 519 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 520 521 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION); 522 523 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable); 524 525 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 526 } 527 528 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev, 529 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5) 530 { 531 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 532 533 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE); 534 535 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1); 536 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2); 537 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3); 538 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4); 539 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5); 540 541 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 542 } 543 544 void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data) 545 { 546 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 547 548 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO); 549 550 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id); 551 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data); 552 553 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 554 } 555 556 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) 557 { 558 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 559 560 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL); 561 562 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code); 563 564 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); 565 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); 566 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2)); 567 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3)); 568 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); 569 570 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 571 } 572 573 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) 574 { 575 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 576 u8 rssi = ewma_rssi_read(&si->avg_rssi); 577 bool stbc_en = si->stbc_en ? true : false; 578 579 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR); 580 581 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id); 582 SET_RSSI_INFO_RSSI(h2c_pkt, rssi); 583 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en); 584 585 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 586 } 587 588 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si, 589 bool reset_ra_mask) 590 { 591 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 592 bool disable_pt = true; 593 594 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO); 595 596 SET_RA_INFO_MACID(h2c_pkt, si->mac_id); 597 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id); 598 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv); 599 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable); 600 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode); 601 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en); 602 SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask); 603 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable); 604 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt); 605 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff)); 606 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8); 607 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16); 608 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24); 609 610 si->init_ra_lv = 0; 611 612 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 613 } 614 615 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) 616 { 617 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 618 619 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT); 620 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect); 621 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id); 622 623 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 624 } 625 626 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev) 627 { 628 struct rtw_traffic_stats *stats = &rtwdev->stats; 629 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 630 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 631 632 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO); 633 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput); 634 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput); 635 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate); 636 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate); 637 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]); 638 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 639 } 640 641 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect, 642 struct ieee80211_vif *vif) 643 { 644 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 645 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid); 646 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100; 647 struct rtw_sta_info *si = 648 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL; 649 s32 threshold = bss_conf->cqm_rssi_thold + rssi_offset; 650 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 651 652 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 653 return; 654 655 if (!connect) { 656 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 657 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 658 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 659 660 return; 661 } 662 663 if (!si) 664 return; 665 666 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0); 667 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid); 668 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 669 670 memset(h2c_pkt, 0, sizeof(h2c_pkt)); 671 threshold = clamp_t(s32, threshold, rssi_min, rssi_max); 672 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 673 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 674 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt, 675 BCN_FILTER_OFFLOAD_MODE_DEFAULT); 676 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, (u8)threshold); 677 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT); 678 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id); 679 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, bss_conf->cqm_rssi_hyst); 680 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int); 681 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 682 } 683 684 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev) 685 { 686 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 687 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 688 689 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE); 690 691 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode); 692 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm); 693 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps); 694 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval); 695 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id); 696 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state); 697 698 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 699 } 700 701 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable) 702 { 703 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 704 struct rtw_fw_wow_keep_alive_para mode = { 705 .adopt = true, 706 .pkt_type = KEEP_ALIVE_NULL_PKT, 707 .period = 5, 708 }; 709 710 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE); 711 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable); 712 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt); 713 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type); 714 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period); 715 716 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 717 } 718 719 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable) 720 { 721 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 722 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 723 struct rtw_fw_wow_disconnect_para mode = { 724 .adopt = true, 725 .period = 30, 726 .retry_count = 5, 727 }; 728 729 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION); 730 731 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) { 732 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable); 733 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt); 734 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period); 735 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count); 736 } 737 738 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 739 } 740 741 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 742 { 743 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 744 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 745 746 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN); 747 748 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable); 749 if (rtw_wow_mgd_linked(rtwdev)) { 750 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) 751 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable); 752 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) 753 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable); 754 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags)) 755 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable); 756 if (rtw_wow->pattern_cnt) 757 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable); 758 } 759 760 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 761 } 762 763 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev, 764 u8 pairwise_key_enc, 765 u8 group_key_enc) 766 { 767 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 768 769 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO); 770 771 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc); 772 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc); 773 774 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 775 } 776 777 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 778 { 779 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 780 781 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL); 782 783 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable); 784 785 if (rtw_wow_no_link(rtwdev)) 786 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable); 787 788 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 789 } 790 791 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev, 792 enum rtw_rsvd_packet_type type) 793 { 794 struct rtw_rsvd_page *rsvd_pkt; 795 u8 location = 0; 796 797 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 798 if (type == rsvd_pkt->type) 799 location = rsvd_pkt->page; 800 } 801 802 return location; 803 } 804 805 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable) 806 { 807 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 808 u8 loc_nlo; 809 810 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO); 811 812 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO); 813 814 SET_NLO_FUN_EN(h2c_pkt, enable); 815 if (enable) { 816 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE) 817 SET_NLO_PS_32K(h2c_pkt, enable); 818 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable); 819 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo); 820 } 821 822 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 823 } 824 825 void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev) 826 { 827 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 828 829 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV); 830 SET_RECOVER_BT_DEV_EN(h2c_pkt, 1); 831 832 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 833 } 834 835 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) 836 { 837 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 838 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 839 u8 loc_pg, loc_dpk; 840 841 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); 842 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); 843 844 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); 845 846 LPS_PG_INFO_LOC(h2c_pkt, loc_pg); 847 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); 848 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); 849 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); 850 851 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 852 } 853 854 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, 855 struct cfg80211_ssid *ssid) 856 { 857 struct rtw_rsvd_page *rsvd_pkt; 858 u8 location = 0; 859 860 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 861 if (rsvd_pkt->type != RSVD_PROBE_REQ) 862 continue; 863 if ((!ssid && !rsvd_pkt->ssid) || 864 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 865 location = rsvd_pkt->page; 866 } 867 868 return location; 869 } 870 871 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, 872 struct cfg80211_ssid *ssid) 873 { 874 struct rtw_rsvd_page *rsvd_pkt; 875 u16 size = 0; 876 877 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 878 if (rsvd_pkt->type != RSVD_PROBE_REQ) 879 continue; 880 if ((!ssid && !rsvd_pkt->ssid) || 881 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 882 size = rsvd_pkt->probe_req_size; 883 } 884 885 return size; 886 } 887 888 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) 889 { 890 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 891 u8 location = 0; 892 893 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); 894 895 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); 896 *(h2c_pkt + 1) = location; 897 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); 898 899 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); 900 *(h2c_pkt + 2) = location; 901 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); 902 903 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); 904 *(h2c_pkt + 3) = location; 905 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); 906 907 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); 908 *(h2c_pkt + 4) = location; 909 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); 910 911 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 912 } 913 914 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) 915 { 916 struct rtw_dev *rtwdev = hw->priv; 917 const struct rtw_chip_info *chip = rtwdev->chip; 918 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 919 struct rtw_nlo_info_hdr *nlo_hdr; 920 struct cfg80211_ssid *ssid; 921 struct sk_buff *skb; 922 u8 *pos, loc; 923 u32 size; 924 int i; 925 926 if (!pno_req->inited || !pno_req->match_set_cnt) 927 return NULL; 928 929 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * 930 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; 931 932 skb = alloc_skb(size, GFP_KERNEL); 933 if (!skb) 934 return NULL; 935 936 skb_reserve(skb, chip->tx_pkt_desc_sz); 937 938 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); 939 940 nlo_hdr->nlo_count = pno_req->match_set_cnt; 941 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; 942 943 /* pattern check for firmware */ 944 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); 945 946 for (i = 0; i < pno_req->match_set_cnt; i++) 947 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; 948 949 for (i = 0; i < pno_req->match_set_cnt; i++) { 950 ssid = &pno_req->match_sets[i].ssid; 951 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 952 if (!loc) { 953 rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); 954 kfree_skb(skb); 955 return NULL; 956 } 957 nlo_hdr->location[i] = loc; 958 } 959 960 for (i = 0; i < pno_req->match_set_cnt; i++) { 961 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); 962 memcpy(pos, pno_req->match_sets[i].ssid.ssid, 963 pno_req->match_sets[i].ssid.ssid_len); 964 } 965 966 return skb; 967 } 968 969 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) 970 { 971 struct rtw_dev *rtwdev = hw->priv; 972 const struct rtw_chip_info *chip = rtwdev->chip; 973 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 974 struct ieee80211_channel *channels = pno_req->channels; 975 struct sk_buff *skb; 976 int count = pno_req->channel_cnt; 977 u8 *pos; 978 int i = 0; 979 980 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); 981 if (!skb) 982 return NULL; 983 984 skb_reserve(skb, chip->tx_pkt_desc_sz); 985 986 for (i = 0; i < count; i++) { 987 pos = skb_put_zero(skb, 4); 988 989 CHSW_INFO_SET_CH(pos, channels[i].hw_value); 990 991 if (channels[i].flags & IEEE80211_CHAN_RADAR) 992 CHSW_INFO_SET_ACTION_ID(pos, 0); 993 else 994 CHSW_INFO_SET_ACTION_ID(pos, 1); 995 CHSW_INFO_SET_TIMEOUT(pos, 1); 996 CHSW_INFO_SET_PRI_CH_IDX(pos, 1); 997 CHSW_INFO_SET_BW(pos, 0); 998 } 999 1000 return skb; 1001 } 1002 1003 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) 1004 { 1005 struct rtw_dev *rtwdev = hw->priv; 1006 const struct rtw_chip_info *chip = rtwdev->chip; 1007 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; 1008 struct rtw_lps_pg_dpk_hdr *dpk_hdr; 1009 struct sk_buff *skb; 1010 u32 size; 1011 1012 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr); 1013 skb = alloc_skb(size, GFP_KERNEL); 1014 if (!skb) 1015 return NULL; 1016 1017 skb_reserve(skb, chip->tx_pkt_desc_sz); 1018 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); 1019 dpk_hdr->dpk_ch = dpk_info->dpk_ch; 1020 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; 1021 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); 1022 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); 1023 memcpy(dpk_hdr->coef, dpk_info->coef, 160); 1024 1025 return skb; 1026 } 1027 1028 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) 1029 { 1030 struct rtw_dev *rtwdev = hw->priv; 1031 const struct rtw_chip_info *chip = rtwdev->chip; 1032 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1033 struct rtw_lps_pg_info_hdr *pg_info_hdr; 1034 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1035 struct sk_buff *skb; 1036 u32 size; 1037 1038 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); 1039 skb = alloc_skb(size, GFP_KERNEL); 1040 if (!skb) 1041 return NULL; 1042 1043 skb_reserve(skb, chip->tx_pkt_desc_sz); 1044 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); 1045 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; 1046 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 1047 pg_info_hdr->sec_cam_count = 1048 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); 1049 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; 1050 1051 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; 1052 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; 1053 1054 return skb; 1055 } 1056 1057 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, 1058 struct rtw_rsvd_page *rsvd_pkt) 1059 { 1060 struct ieee80211_vif *vif; 1061 struct rtw_vif *rtwvif; 1062 struct sk_buff *skb_new; 1063 struct cfg80211_ssid *ssid; 1064 u16 tim_offset = 0; 1065 1066 if (rsvd_pkt->type == RSVD_DUMMY) { 1067 skb_new = alloc_skb(1, GFP_KERNEL); 1068 if (!skb_new) 1069 return NULL; 1070 1071 skb_put(skb_new, 1); 1072 return skb_new; 1073 } 1074 1075 rtwvif = rsvd_pkt->rtwvif; 1076 if (!rtwvif) 1077 return NULL; 1078 1079 vif = rtwvif_to_vif(rtwvif); 1080 1081 switch (rsvd_pkt->type) { 1082 case RSVD_BEACON: 1083 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0); 1084 rsvd_pkt->tim_offset = tim_offset; 1085 break; 1086 case RSVD_PS_POLL: 1087 skb_new = ieee80211_pspoll_get(hw, vif); 1088 break; 1089 case RSVD_PROBE_RESP: 1090 skb_new = ieee80211_proberesp_get(hw, vif); 1091 break; 1092 case RSVD_NULL: 1093 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false); 1094 break; 1095 case RSVD_QOS_NULL: 1096 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true); 1097 break; 1098 case RSVD_LPS_PG_DPK: 1099 skb_new = rtw_lps_pg_dpk_get(hw); 1100 break; 1101 case RSVD_LPS_PG_INFO: 1102 skb_new = rtw_lps_pg_info_get(hw); 1103 break; 1104 case RSVD_PROBE_REQ: 1105 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; 1106 if (ssid) 1107 skb_new = ieee80211_probereq_get(hw, vif->addr, 1108 ssid->ssid, 1109 ssid->ssid_len, 0); 1110 else 1111 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); 1112 if (skb_new) 1113 rsvd_pkt->probe_req_size = (u16)skb_new->len; 1114 break; 1115 case RSVD_NLO_INFO: 1116 skb_new = rtw_nlo_info_get(hw); 1117 break; 1118 case RSVD_CH_INFO: 1119 skb_new = rtw_cs_channel_info_get(hw); 1120 break; 1121 default: 1122 return NULL; 1123 } 1124 1125 if (!skb_new) 1126 return NULL; 1127 1128 return skb_new; 1129 } 1130 1131 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 1132 enum rtw_rsvd_packet_type type) 1133 { 1134 struct rtw_tx_pkt_info pkt_info = {0}; 1135 const struct rtw_chip_info *chip = rtwdev->chip; 1136 u8 *pkt_desc; 1137 1138 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 1139 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 1140 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 1141 rtw_tx_fill_tx_desc(&pkt_info, skb); 1142 } 1143 1144 static inline u8 rtw_len_to_page(unsigned int len, u8 page_size) 1145 { 1146 return DIV_ROUND_UP(len, page_size); 1147 } 1148 1149 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size, 1150 u8 page_margin, u32 page, u8 *buf, 1151 struct rtw_rsvd_page *rsvd_pkt) 1152 { 1153 struct sk_buff *skb = rsvd_pkt->skb; 1154 1155 if (page >= 1) 1156 memcpy(buf + page_margin + page_size * (page - 1), 1157 skb->data, skb->len); 1158 else 1159 memcpy(buf, skb->data, skb->len); 1160 } 1161 1162 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 1163 enum rtw_rsvd_packet_type type, 1164 bool txdesc) 1165 { 1166 struct rtw_rsvd_page *rsvd_pkt = NULL; 1167 1168 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); 1169 1170 if (!rsvd_pkt) 1171 return NULL; 1172 1173 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 1174 INIT_LIST_HEAD(&rsvd_pkt->build_list); 1175 rsvd_pkt->type = type; 1176 rsvd_pkt->add_txdesc = txdesc; 1177 1178 return rsvd_pkt; 1179 } 1180 1181 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 1182 struct rtw_vif *rtwvif, 1183 struct rtw_rsvd_page *rsvd_pkt) 1184 { 1185 lockdep_assert_held(&rtwdev->mutex); 1186 1187 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 1188 } 1189 1190 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 1191 struct rtw_vif *rtwvif, 1192 enum rtw_rsvd_packet_type type, 1193 bool txdesc) 1194 { 1195 struct rtw_rsvd_page *rsvd_pkt; 1196 1197 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1198 if (!rsvd_pkt) { 1199 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1200 return; 1201 } 1202 1203 rsvd_pkt->rtwvif = rtwvif; 1204 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1205 } 1206 1207 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1208 struct rtw_vif *rtwvif, 1209 struct cfg80211_ssid *ssid) 1210 { 1211 struct rtw_rsvd_page *rsvd_pkt; 1212 1213 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1214 if (!rsvd_pkt) { 1215 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1216 return; 1217 } 1218 1219 rsvd_pkt->rtwvif = rtwvif; 1220 rsvd_pkt->ssid = ssid; 1221 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1222 } 1223 1224 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1225 struct rtw_vif *rtwvif) 1226 { 1227 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1228 1229 lockdep_assert_held(&rtwdev->mutex); 1230 1231 /* remove all of the rsvd pages for vif */ 1232 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1233 vif_list) { 1234 list_del(&rsvd_pkt->vif_list); 1235 if (!list_empty(&rsvd_pkt->build_list)) 1236 list_del(&rsvd_pkt->build_list); 1237 kfree(rsvd_pkt); 1238 } 1239 } 1240 1241 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1242 struct rtw_vif *rtwvif) 1243 { 1244 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1245 1246 if (vif->type != NL80211_IFTYPE_AP && 1247 vif->type != NL80211_IFTYPE_ADHOC && 1248 vif->type != NL80211_IFTYPE_MESH_POINT) { 1249 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1250 vif->type); 1251 return; 1252 } 1253 1254 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1255 } 1256 1257 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1258 struct rtw_vif *rtwvif) 1259 { 1260 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1261 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1262 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1263 struct cfg80211_ssid *ssid; 1264 int i; 1265 1266 if (vif->type != NL80211_IFTYPE_STATION) { 1267 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1268 vif->type); 1269 return; 1270 } 1271 1272 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1273 ssid = &rtw_pno_req->match_sets[i].ssid; 1274 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1275 } 1276 1277 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1278 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1279 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1280 } 1281 1282 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1283 struct rtw_vif *rtwvif) 1284 { 1285 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1286 1287 if (vif->type != NL80211_IFTYPE_STATION) { 1288 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1289 vif->type); 1290 return; 1291 } 1292 1293 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1294 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1295 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1296 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1297 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1298 } 1299 1300 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1301 u8 *buf, u32 size) 1302 { 1303 u8 bckp[2]; 1304 u8 val; 1305 u16 rsvd_pg_head; 1306 u32 bcn_valid_addr; 1307 u32 bcn_valid_mask; 1308 int ret; 1309 1310 lockdep_assert_held(&rtwdev->mutex); 1311 1312 if (!size) 1313 return -EINVAL; 1314 1315 if (rtw_chip_wcpu_11n(rtwdev)) { 1316 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1317 } else { 1318 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1319 pg_addr |= BIT_BCN_VALID_V1; 1320 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1321 } 1322 1323 val = rtw_read8(rtwdev, REG_CR + 1); 1324 bckp[0] = val; 1325 val |= BIT_ENSWBCN >> 8; 1326 rtw_write8(rtwdev, REG_CR + 1, val); 1327 1328 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1329 bckp[1] = val; 1330 val &= ~(BIT_EN_BCNQ_DL >> 16); 1331 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1332 1333 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1334 if (ret) { 1335 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1336 goto restore; 1337 } 1338 1339 if (rtw_chip_wcpu_11n(rtwdev)) { 1340 bcn_valid_addr = REG_DWBCN0_CTRL; 1341 bcn_valid_mask = BIT_BCN_VALID; 1342 } else { 1343 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1344 bcn_valid_mask = BIT_BCN_VALID_V1; 1345 } 1346 1347 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1348 rtw_err(rtwdev, "error beacon valid\n"); 1349 ret = -EBUSY; 1350 } 1351 1352 restore: 1353 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1354 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1355 rsvd_pg_head | BIT_BCN_VALID_V1); 1356 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1357 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1358 1359 return ret; 1360 } 1361 1362 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1363 { 1364 u32 pg_size; 1365 u32 pg_num = 0; 1366 u16 pg_addr = 0; 1367 1368 pg_size = rtwdev->chip->page_size; 1369 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1370 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1371 return -ENOMEM; 1372 1373 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1374 1375 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1376 } 1377 1378 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1379 { 1380 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1381 1382 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1383 build_list) { 1384 list_del_init(&rsvd_pkt->build_list); 1385 1386 /* Don't free except for the dummy rsvd page, 1387 * others will be freed when removing vif 1388 */ 1389 if (rsvd_pkt->type == RSVD_DUMMY) 1390 kfree(rsvd_pkt); 1391 } 1392 } 1393 1394 static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1395 struct ieee80211_vif *vif) 1396 { 1397 struct rtw_dev *rtwdev = data; 1398 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1399 struct rtw_rsvd_page *rsvd_pkt; 1400 1401 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1402 if (rsvd_pkt->type == RSVD_BEACON) 1403 list_add(&rsvd_pkt->build_list, 1404 &rtwdev->rsvd_page_list); 1405 else 1406 list_add_tail(&rsvd_pkt->build_list, 1407 &rtwdev->rsvd_page_list); 1408 } 1409 } 1410 1411 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1412 { 1413 struct rtw_rsvd_page *rsvd_pkt; 1414 1415 __rtw_build_rsvd_page_reset(rtwdev); 1416 1417 /* gather rsvd page from vifs */ 1418 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1419 1420 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1421 struct rtw_rsvd_page, build_list); 1422 if (!rsvd_pkt) { 1423 WARN(1, "Should not have an empty reserved page\n"); 1424 return -EINVAL; 1425 } 1426 1427 /* the first rsvd should be beacon, otherwise add a dummy one */ 1428 if (rsvd_pkt->type != RSVD_BEACON) { 1429 struct rtw_rsvd_page *dummy_pkt; 1430 1431 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1432 if (!dummy_pkt) { 1433 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1434 return -ENOMEM; 1435 } 1436 1437 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1438 } 1439 1440 return 0; 1441 } 1442 1443 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1444 { 1445 struct ieee80211_hw *hw = rtwdev->hw; 1446 const struct rtw_chip_info *chip = rtwdev->chip; 1447 struct sk_buff *iter; 1448 struct rtw_rsvd_page *rsvd_pkt; 1449 u32 page = 0; 1450 u8 total_page = 0; 1451 u8 page_size, page_margin, tx_desc_sz; 1452 u8 *buf; 1453 int ret; 1454 1455 page_size = chip->page_size; 1456 tx_desc_sz = chip->tx_pkt_desc_sz; 1457 page_margin = page_size - tx_desc_sz; 1458 1459 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1460 if (ret) { 1461 rtw_err(rtwdev, 1462 "failed to build rsvd page from vifs, ret %d\n", ret); 1463 return NULL; 1464 } 1465 1466 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1467 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1468 if (!iter) { 1469 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1470 goto release_skb; 1471 } 1472 1473 /* Fill the tx_desc for the rsvd pkt that requires one. 1474 * And iter->len will be added with size of tx_desc_sz. 1475 */ 1476 if (rsvd_pkt->add_txdesc) 1477 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1478 1479 rsvd_pkt->skb = iter; 1480 rsvd_pkt->page = total_page; 1481 1482 /* Reserved page is downloaded via TX path, and TX path will 1483 * generate a tx_desc at the header to describe length of 1484 * the buffer. If we are not counting page numbers with the 1485 * size of tx_desc added at the first rsvd_pkt (usually a 1486 * beacon, firmware default refer to the first page as the 1487 * content of beacon), we could generate a buffer which size 1488 * is smaller than the actual size of the whole rsvd_page 1489 */ 1490 if (total_page == 0) { 1491 if (rsvd_pkt->type != RSVD_BEACON && 1492 rsvd_pkt->type != RSVD_DUMMY) { 1493 rtw_err(rtwdev, "first page should be a beacon\n"); 1494 goto release_skb; 1495 } 1496 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1497 page_size); 1498 } else { 1499 total_page += rtw_len_to_page(iter->len, page_size); 1500 } 1501 } 1502 1503 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1504 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1505 goto release_skb; 1506 } 1507 1508 *size = (total_page - 1) * page_size + page_margin; 1509 buf = kzalloc(*size, GFP_KERNEL); 1510 if (!buf) 1511 goto release_skb; 1512 1513 /* Copy the content of each rsvd_pkt to the buf, and they should 1514 * be aligned to the pages. 1515 * 1516 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1517 * And that rsvd_pkt does not require tx_desc because when it goes 1518 * through TX path, the TX path will generate one for it. 1519 */ 1520 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1521 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1522 page, buf, rsvd_pkt); 1523 if (page == 0) 1524 page += rtw_len_to_page(rsvd_pkt->skb->len + 1525 tx_desc_sz, page_size); 1526 else 1527 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1528 1529 kfree_skb(rsvd_pkt->skb); 1530 rsvd_pkt->skb = NULL; 1531 } 1532 1533 return buf; 1534 1535 release_skb: 1536 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1537 kfree_skb(rsvd_pkt->skb); 1538 rsvd_pkt->skb = NULL; 1539 } 1540 1541 return NULL; 1542 } 1543 1544 static int rtw_download_beacon(struct rtw_dev *rtwdev) 1545 { 1546 struct ieee80211_hw *hw = rtwdev->hw; 1547 struct rtw_rsvd_page *rsvd_pkt; 1548 struct sk_buff *skb; 1549 int ret = 0; 1550 1551 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1552 struct rtw_rsvd_page, build_list); 1553 if (!rsvd_pkt) { 1554 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1555 return -ENOENT; 1556 } 1557 1558 if (rsvd_pkt->type != RSVD_BEACON && 1559 rsvd_pkt->type != RSVD_DUMMY) { 1560 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1561 rsvd_pkt->type); 1562 return -EINVAL; 1563 } 1564 1565 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1566 if (!skb) { 1567 rtw_err(rtwdev, "failed to get beacon skb\n"); 1568 return -ENOMEM; 1569 } 1570 1571 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1572 if (ret) 1573 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1574 1575 dev_kfree_skb(skb); 1576 1577 return ret; 1578 } 1579 1580 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1581 { 1582 u8 *buf; 1583 u32 size; 1584 int ret; 1585 1586 buf = rtw_build_rsvd_page(rtwdev, &size); 1587 if (!buf) { 1588 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1589 return -ENOMEM; 1590 } 1591 1592 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1593 if (ret) { 1594 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1595 goto free; 1596 } 1597 1598 /* The last thing is to download the *ONLY* beacon again, because 1599 * the previous tx_desc is to describe the total rsvd page. Download 1600 * the beacon again to replace the TX desc header, and we will get 1601 * a correct tx_desc for the beacon in the rsvd page. 1602 */ 1603 ret = rtw_download_beacon(rtwdev); 1604 if (ret) { 1605 rtw_err(rtwdev, "failed to download beacon\n"); 1606 goto free; 1607 } 1608 1609 free: 1610 kfree(buf); 1611 1612 return ret; 1613 } 1614 1615 void rtw_fw_update_beacon_work(struct work_struct *work) 1616 { 1617 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, 1618 update_beacon_work); 1619 1620 mutex_lock(&rtwdev->mutex); 1621 rtw_fw_download_rsvd_page(rtwdev); 1622 mutex_unlock(&rtwdev->mutex); 1623 } 1624 1625 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1626 u32 *buf, u32 residue, u16 start_pg) 1627 { 1628 u32 i; 1629 u16 idx = 0; 1630 u16 ctl; 1631 1632 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1633 /* disable rx clock gate */ 1634 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 1635 1636 do { 1637 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); 1638 1639 for (i = FIFO_DUMP_ADDR + residue; 1640 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { 1641 buf[idx++] = rtw_read32(rtwdev, i); 1642 size -= 4; 1643 if (size == 0) 1644 goto out; 1645 } 1646 1647 residue = 0; 1648 start_pg++; 1649 } while (size); 1650 1651 out: 1652 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1653 /* restore rx clock gate */ 1654 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1655 } 1656 1657 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1658 u32 offset, u32 size, u32 *buf) 1659 { 1660 const struct rtw_chip_info *chip = rtwdev->chip; 1661 u32 start_pg, residue; 1662 1663 if (sel >= RTW_FW_FIFO_MAX) { 1664 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1665 return; 1666 } 1667 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1668 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1669 residue = offset & (FIFO_PAGE_SIZE - 1); 1670 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1671 1672 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1673 } 1674 1675 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1676 enum rtw_fw_fifo_sel sel, 1677 u32 start_addr, u32 size) 1678 { 1679 switch (sel) { 1680 case RTW_FW_FIFO_SEL_TX: 1681 case RTW_FW_FIFO_SEL_RX: 1682 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1683 return false; 1684 fallthrough; 1685 default: 1686 return true; 1687 } 1688 } 1689 1690 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1691 u32 *buffer) 1692 { 1693 if (!rtwdev->chip->fw_fifo_addr[0]) { 1694 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1695 return -ENOTSUPP; 1696 } 1697 1698 if (size == 0 || !buffer) 1699 return -EINVAL; 1700 1701 if (size & 0x3) { 1702 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1703 return -EINVAL; 1704 } 1705 1706 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1707 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1708 return -EINVAL; 1709 } 1710 1711 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1712 1713 return 0; 1714 } 1715 1716 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1717 u8 location) 1718 { 1719 const struct rtw_chip_info *chip = rtwdev->chip; 1720 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1721 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1722 1723 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1724 1725 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1726 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1727 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1728 1729 /* include txdesc size */ 1730 size += chip->tx_pkt_desc_sz; 1731 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1732 1733 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1734 } 1735 1736 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1737 struct cfg80211_ssid *ssid) 1738 { 1739 u8 loc; 1740 u16 size; 1741 1742 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1743 if (!loc) { 1744 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1745 return; 1746 } 1747 1748 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1749 if (!size) { 1750 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1751 return; 1752 } 1753 1754 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1755 } 1756 1757 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1758 { 1759 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1760 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1761 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1762 u8 loc_ch_info; 1763 const struct rtw_ch_switch_option cs_option = { 1764 .dest_ch_en = 1, 1765 .dest_ch = 1, 1766 .periodic_option = 2, 1767 .normal_period = 5, 1768 .normal_period_sel = 0, 1769 .normal_cycle = 10, 1770 .slow_period = 1, 1771 .slow_period_sel = 1, 1772 }; 1773 1774 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1775 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1776 1777 CH_SWITCH_SET_START(h2c_pkt, enable); 1778 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1779 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1780 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1781 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1782 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1783 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1784 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1785 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1786 1787 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1788 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1789 1790 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1791 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1792 1793 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1794 } 1795 1796 void rtw_fw_adaptivity(struct rtw_dev *rtwdev) 1797 { 1798 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1799 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1800 1801 if (!rtw_edcca_enabled) { 1802 dm_info->edcca_mode = RTW_EDCCA_NORMAL; 1803 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 1804 "EDCCA disabled by debugfs\n"); 1805 } 1806 1807 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); 1808 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); 1809 SET_ADAPTIVITY_OPTION(h2c_pkt, 1); 1810 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); 1811 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); 1812 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); 1813 1814 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1815 } 1816 1817 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 1818 { 1819 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1820 1821 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN); 1822 SET_SCAN_START(h2c_pkt, start); 1823 1824 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1825 } 1826 1827 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb, 1828 struct sk_buff_head *list, u8 *bands, 1829 struct rtw_vif *rtwvif) 1830 { 1831 const struct rtw_chip_info *chip = rtwdev->chip; 1832 struct ieee80211_scan_ies *ies = rtwvif->scan_ies; 1833 struct sk_buff *new; 1834 u8 idx; 1835 1836 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) { 1837 if (!(BIT(idx) & chip->band)) 1838 continue; 1839 new = skb_copy(skb, GFP_KERNEL); 1840 if (!new) 1841 return -ENOMEM; 1842 skb_put_data(new, ies->ies[idx], ies->len[idx]); 1843 skb_put_data(new, ies->common_ies, ies->common_ie_len); 1844 skb_queue_tail(list, new); 1845 (*bands)++; 1846 } 1847 1848 return 0; 1849 } 1850 1851 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes, 1852 struct sk_buff_head *probe_req_list) 1853 { 1854 const struct rtw_chip_info *chip = rtwdev->chip; 1855 struct sk_buff *skb, *tmp; 1856 u8 page_offset = 1, *buf, page_size = chip->page_size; 1857 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc; 1858 u16 buf_offset = page_size * page_offset; 1859 u8 tx_desc_sz = chip->tx_pkt_desc_sz; 1860 u8 page_cnt, pages; 1861 unsigned int pkt_len; 1862 int ret; 1863 1864 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM)) 1865 page_cnt = RTW_OLD_PROBE_PG_CNT; 1866 else 1867 page_cnt = RTW_PROBE_PG_CNT; 1868 1869 pages = page_offset + num_probes * page_cnt; 1870 1871 buf = kzalloc(page_size * pages, GFP_KERNEL); 1872 if (!buf) 1873 return -ENOMEM; 1874 1875 buf_offset -= tx_desc_sz; 1876 skb_queue_walk_safe(probe_req_list, skb, tmp) { 1877 skb_unlink(skb, probe_req_list); 1878 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ); 1879 if (skb->len > page_size * page_cnt) { 1880 ret = -EINVAL; 1881 goto out; 1882 } 1883 1884 memcpy(buf + buf_offset, skb->data, skb->len); 1885 pkt_len = skb->len - tx_desc_sz; 1886 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset; 1887 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc); 1888 1889 buf_offset += page_cnt * page_size; 1890 page_offset += page_cnt; 1891 kfree_skb(skb); 1892 } 1893 1894 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset); 1895 if (ret) { 1896 rtw_err(rtwdev, "Download probe request to firmware failed\n"); 1897 goto out; 1898 } 1899 1900 rtwdev->scan_info.probe_pg_size = page_offset; 1901 out: 1902 kfree(buf); 1903 skb_queue_walk_safe(probe_req_list, skb, tmp) 1904 kfree_skb(skb); 1905 1906 return ret; 1907 } 1908 1909 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, 1910 struct rtw_vif *rtwvif) 1911 { 1912 struct cfg80211_scan_request *req = rtwvif->scan_req; 1913 struct sk_buff_head list; 1914 struct sk_buff *skb, *tmp; 1915 u8 num = req->n_ssids, i, bands = 0; 1916 int ret; 1917 1918 skb_queue_head_init(&list); 1919 for (i = 0; i < num; i++) { 1920 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr, 1921 req->ssids[i].ssid, 1922 req->ssids[i].ssid_len, 1923 req->ie_len); 1924 if (!skb) { 1925 ret = -ENOMEM; 1926 goto out; 1927 } 1928 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands, 1929 rtwvif); 1930 if (ret) 1931 goto out; 1932 1933 kfree_skb(skb); 1934 } 1935 1936 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list); 1937 1938 out: 1939 skb_queue_walk_safe(&list, skb, tmp) 1940 kfree_skb(skb); 1941 1942 return ret; 1943 } 1944 1945 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info, 1946 struct rtw_chan_list *list, u8 *buf) 1947 { 1948 u8 *chan = &buf[list->size]; 1949 u8 info_size = RTW_CH_INFO_SIZE; 1950 1951 if (list->size > list->buf_size) 1952 return -ENOMEM; 1953 1954 CH_INFO_SET_CH(chan, info->channel); 1955 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx); 1956 CH_INFO_SET_BW(chan, info->bw); 1957 CH_INFO_SET_TIMEOUT(chan, info->timeout); 1958 CH_INFO_SET_ACTION_ID(chan, info->action_id); 1959 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info); 1960 if (info->extra_info) { 1961 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS); 1962 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN); 1963 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE - 1964 RTW_EX_CH_INFO_HDR_SIZE); 1965 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME); 1966 info_size += RTW_EX_CH_INFO_SIZE; 1967 } 1968 list->size += info_size; 1969 list->ch_num++; 1970 1971 return 0; 1972 } 1973 1974 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 1975 struct rtw_chan_list *list, u8 *buf) 1976 { 1977 struct cfg80211_scan_request *req = rtwvif->scan_req; 1978 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 1979 struct ieee80211_channel *channel; 1980 int i, ret = 0; 1981 1982 for (i = 0; i < req->n_channels; i++) { 1983 struct rtw_chan_info ch_info = {0}; 1984 1985 channel = req->channels[i]; 1986 ch_info.channel = channel->hw_value; 1987 ch_info.bw = RTW_SCAN_WIDTH; 1988 ch_info.pri_ch_idx = RTW_PRI_CH_IDX; 1989 ch_info.timeout = req->duration_mandatory ? 1990 req->duration : RTW_CHANNEL_TIME; 1991 1992 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) { 1993 ch_info.action_id = RTW_CHANNEL_RADAR; 1994 ch_info.extra_info = 1; 1995 /* Overwrite duration for passive scans if necessary */ 1996 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ? 1997 ch_info.timeout : RTW_PASS_CHAN_TIME; 1998 } else { 1999 ch_info.action_id = RTW_CHANNEL_ACTIVE; 2000 } 2001 2002 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf); 2003 if (ret) 2004 return ret; 2005 } 2006 2007 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) { 2008 rtw_err(rtwdev, "List exceeds rsvd page total size\n"); 2009 return -EINVAL; 2010 } 2011 2012 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size; 2013 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size); 2014 if (ret) 2015 rtw_err(rtwdev, "Download channel list failed\n"); 2016 2017 return ret; 2018 } 2019 2020 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev, 2021 struct rtw_ch_switch_option *opt, 2022 struct rtw_vif *rtwvif, 2023 struct rtw_chan_list *list) 2024 { 2025 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2026 struct cfg80211_scan_request *req = rtwvif->scan_req; 2027 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2028 /* reserve one dummy page at the beginning for tx descriptor */ 2029 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1; 2030 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN; 2031 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 2032 2033 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD); 2034 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN); 2035 2036 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en); 2037 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en); 2038 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq); 2039 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck); 2040 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num); 2041 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size); 2042 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary); 2043 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan); 2044 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx); 2045 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw); 2046 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port); 2047 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ? 2048 req->duration : RTW_CHANNEL_TIME); 2049 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME); 2050 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids); 2051 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc); 2052 2053 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 2054 } 2055 2056 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2057 struct ieee80211_scan_request *scan_req) 2058 { 2059 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 2060 struct cfg80211_scan_request *req = &scan_req->req; 2061 u8 mac_addr[ETH_ALEN]; 2062 2063 rtwdev->scan_info.scanning_vif = vif; 2064 rtwvif->scan_ies = &scan_req->ies; 2065 rtwvif->scan_req = req; 2066 2067 ieee80211_stop_queues(rtwdev->hw); 2068 rtw_leave_lps_deep(rtwdev); 2069 rtw_hci_flush_all_queues(rtwdev, false); 2070 rtw_mac_flush_all_queues(rtwdev, false); 2071 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) 2072 get_random_mask_addr(mac_addr, req->mac_addr, 2073 req->mac_addr_mask); 2074 else 2075 ether_addr_copy(mac_addr, vif->addr); 2076 2077 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true); 2078 2079 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN; 2080 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2081 } 2082 2083 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2084 bool aborted) 2085 { 2086 struct cfg80211_scan_info info = { 2087 .aborted = aborted, 2088 }; 2089 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2090 struct rtw_hal *hal = &rtwdev->hal; 2091 struct rtw_vif *rtwvif; 2092 u8 chan = scan_info->op_chan; 2093 2094 if (!vif) 2095 return; 2096 2097 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 2098 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2099 2100 rtw_core_scan_complete(rtwdev, vif, true); 2101 2102 rtwvif = (struct rtw_vif *)vif->drv_priv; 2103 if (chan) 2104 rtw_store_op_chan(rtwdev, false); 2105 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel); 2106 ieee80211_wake_queues(rtwdev->hw); 2107 ieee80211_scan_completed(rtwdev->hw, &info); 2108 2109 rtwvif->scan_req = NULL; 2110 rtwvif->scan_ies = NULL; 2111 rtwdev->scan_info.scanning_vif = NULL; 2112 } 2113 2114 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2115 struct rtw_chan_list *list) 2116 { 2117 struct cfg80211_scan_request *req = rtwvif->scan_req; 2118 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE); 2119 u8 *buf; 2120 int ret; 2121 2122 buf = kmalloc(size, GFP_KERNEL); 2123 if (!buf) 2124 return -ENOMEM; 2125 2126 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif); 2127 if (ret) { 2128 rtw_err(rtwdev, "Update probe request failed\n"); 2129 goto out; 2130 } 2131 2132 list->buf_size = size; 2133 list->size = 0; 2134 list->ch_num = 0; 2135 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf); 2136 out: 2137 kfree(buf); 2138 2139 return ret; 2140 } 2141 2142 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2143 bool enable) 2144 { 2145 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL; 2146 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2147 struct rtw_ch_switch_option cs_option = {0}; 2148 struct rtw_chan_list chan_list = {0}; 2149 int ret = 0; 2150 2151 if (!rtwvif) 2152 return -EINVAL; 2153 2154 cs_option.switch_en = enable; 2155 cs_option.back_op_en = scan_info->op_chan != 0; 2156 if (enable) { 2157 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list); 2158 if (ret) 2159 goto out; 2160 } 2161 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list); 2162 out: 2163 return ret; 2164 } 2165 2166 void rtw_hw_scan_abort(struct rtw_dev *rtwdev, struct ieee80211_vif *vif) 2167 { 2168 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 2169 return; 2170 2171 rtw_hw_scan_offload(rtwdev, vif, false); 2172 rtw_hw_scan_complete(rtwdev, vif, true); 2173 } 2174 2175 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb) 2176 { 2177 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2178 struct rtw_c2h_cmd *c2h; 2179 bool aborted; 2180 u8 rc; 2181 2182 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2183 return; 2184 2185 c2h = get_c2h_from_skb(skb); 2186 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload); 2187 aborted = rc != RTW_SCAN_REPORT_SUCCESS; 2188 rtw_hw_scan_complete(rtwdev, vif, aborted); 2189 2190 if (aborted) 2191 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc); 2192 } 2193 2194 void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup) 2195 { 2196 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2197 struct rtw_hal *hal = &rtwdev->hal; 2198 u8 band; 2199 2200 if (backup) { 2201 scan_info->op_chan = hal->current_channel; 2202 scan_info->op_bw = hal->current_band_width; 2203 scan_info->op_pri_ch_idx = hal->current_primary_channel_index; 2204 scan_info->op_pri_ch = hal->primary_channel; 2205 } else { 2206 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2207 rtw_update_channel(rtwdev, scan_info->op_chan, 2208 scan_info->op_pri_ch, 2209 band, scan_info->op_bw); 2210 } 2211 } 2212 2213 void rtw_clear_op_chan(struct rtw_dev *rtwdev) 2214 { 2215 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2216 2217 scan_info->op_chan = 0; 2218 scan_info->op_bw = 0; 2219 scan_info->op_pri_ch_idx = 0; 2220 scan_info->op_pri_ch = 0; 2221 } 2222 2223 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel) 2224 { 2225 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2226 2227 return channel == scan_info->op_chan; 2228 } 2229 2230 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb) 2231 { 2232 struct rtw_hal *hal = &rtwdev->hal; 2233 struct rtw_c2h_cmd *c2h; 2234 enum rtw_scan_notify_id id; 2235 u8 chan, band, status; 2236 2237 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2238 return; 2239 2240 c2h = get_c2h_from_skb(skb); 2241 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload); 2242 id = GET_CHAN_SWITCH_ID(c2h->payload); 2243 status = GET_CHAN_SWITCH_STATUS(c2h->payload); 2244 2245 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) { 2246 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2247 rtw_update_channel(rtwdev, chan, chan, band, 2248 RTW_CHANNEL_WIDTH_20); 2249 if (rtw_is_op_chan(rtwdev, chan)) { 2250 rtw_store_op_chan(rtwdev, false); 2251 ieee80211_wake_queues(rtwdev->hw); 2252 } 2253 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) { 2254 if (IS_CH_5G_BAND(chan)) { 2255 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); 2256 } else if (IS_CH_2G_BAND(chan)) { 2257 u8 chan_type; 2258 2259 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2260 chan_type = COEX_SWITCH_TO_24G; 2261 else 2262 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN; 2263 rtw_coex_switchband_notify(rtwdev, chan_type); 2264 } 2265 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next 2266 * channel that hardware will switch. We need to stop queue 2267 * if next channel is non-op channel. 2268 */ 2269 if (!rtw_is_op_chan(rtwdev, chan) && 2270 rtw_is_op_chan(rtwdev, hal->current_channel)) 2271 ieee80211_stop_queues(rtwdev->hw); 2272 } 2273 2274 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, 2275 "Chan switch: %x, id: %x, status: %x\n", chan, id, status); 2276 } 2277