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_BT_HID_INFO: 237 rtw_coex_bt_hid_info_notify(rtwdev, c2h->payload, len); 238 break; 239 case C2H_WLAN_INFO: 240 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len); 241 break; 242 case C2H_BCN_FILTER_NOTIFY: 243 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len); 244 break; 245 case C2H_HALMAC: 246 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb); 247 break; 248 case C2H_RA_RPT: 249 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len); 250 break; 251 default: 252 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id); 253 break; 254 } 255 256 unlock: 257 mutex_unlock(&rtwdev->mutex); 258 } 259 260 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, 261 struct sk_buff *skb) 262 { 263 struct rtw_c2h_cmd *c2h; 264 u8 len; 265 266 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 267 len = skb->len - pkt_offset - 2; 268 *((u32 *)skb->cb) = pkt_offset; 269 270 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", 271 c2h->id, c2h->seq, len); 272 273 switch (c2h->id) { 274 case C2H_BT_MP_INFO: 275 rtw_coex_info_response(rtwdev, skb); 276 break; 277 case C2H_WLAN_RFON: 278 complete(&rtwdev->lps_leave_check); 279 dev_kfree_skb_any(skb); 280 break; 281 case C2H_SCAN_RESULT: 282 complete(&rtwdev->fw_scan_density); 283 rtw_fw_scan_result(rtwdev, c2h->payload, len); 284 dev_kfree_skb_any(skb); 285 break; 286 case C2H_ADAPTIVITY: 287 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len); 288 dev_kfree_skb_any(skb); 289 break; 290 default: 291 /* pass offset for further operation */ 292 *((u32 *)skb->cb) = pkt_offset; 293 skb_queue_tail(&rtwdev->c2h_queue, skb); 294 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); 295 break; 296 } 297 } 298 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); 299 300 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev) 301 { 302 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER) 303 rtw_fw_recovery(rtwdev); 304 else 305 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n"); 306 } 307 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); 308 309 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, 310 u8 *h2c) 311 { 312 u8 box; 313 u8 box_state; 314 u32 box_reg, box_ex_reg; 315 int idx; 316 int ret; 317 318 rtw_dbg(rtwdev, RTW_DBG_FW, 319 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n", 320 h2c[3], h2c[2], h2c[1], h2c[0], 321 h2c[7], h2c[6], h2c[5], h2c[4]); 322 323 spin_lock(&rtwdev->h2c.lock); 324 325 box = rtwdev->h2c.last_box_num; 326 switch (box) { 327 case 0: 328 box_reg = REG_HMEBOX0; 329 box_ex_reg = REG_HMEBOX0_EX; 330 break; 331 case 1: 332 box_reg = REG_HMEBOX1; 333 box_ex_reg = REG_HMEBOX1_EX; 334 break; 335 case 2: 336 box_reg = REG_HMEBOX2; 337 box_ex_reg = REG_HMEBOX2_EX; 338 break; 339 case 3: 340 box_reg = REG_HMEBOX3; 341 box_ex_reg = REG_HMEBOX3_EX; 342 break; 343 default: 344 WARN(1, "invalid h2c mail box number\n"); 345 goto out; 346 } 347 348 ret = read_poll_timeout_atomic(rtw_read8, box_state, 349 !((box_state >> box) & 0x1), 100, 3000, 350 false, rtwdev, REG_HMETFR); 351 352 if (ret) { 353 rtw_err(rtwdev, "failed to send h2c command\n"); 354 goto out; 355 } 356 357 for (idx = 0; idx < 4; idx++) 358 rtw_write8(rtwdev, box_reg + idx, h2c[idx]); 359 for (idx = 0; idx < 4; idx++) 360 rtw_write8(rtwdev, box_ex_reg + idx, h2c[idx + 4]); 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 { 590 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 591 bool no_update = si->updated; 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, no_update); 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 si->updated = true; 612 613 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 614 } 615 616 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) 617 { 618 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 619 620 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT); 621 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect); 622 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id); 623 624 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 625 } 626 627 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev) 628 { 629 struct rtw_traffic_stats *stats = &rtwdev->stats; 630 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 631 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 632 633 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO); 634 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput); 635 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput); 636 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate); 637 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate); 638 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]); 639 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 640 } 641 642 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect, 643 struct ieee80211_vif *vif) 644 { 645 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 646 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid); 647 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100; 648 struct rtw_sta_info *si = 649 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL; 650 s32 threshold = bss_conf->cqm_rssi_thold + rssi_offset; 651 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 652 653 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER) || !si) 654 return; 655 656 if (!connect) { 657 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 658 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 659 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 660 661 return; 662 } 663 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0); 664 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid); 665 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 666 667 memset(h2c_pkt, 0, sizeof(h2c_pkt)); 668 threshold = clamp_t(s32, threshold, rssi_min, rssi_max); 669 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 670 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 671 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt, 672 BCN_FILTER_OFFLOAD_MODE_DEFAULT); 673 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, (u8)threshold); 674 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT); 675 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id); 676 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, bss_conf->cqm_rssi_hyst); 677 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int); 678 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 679 } 680 681 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev) 682 { 683 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 684 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 685 686 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE); 687 688 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode); 689 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm); 690 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps); 691 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval); 692 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id); 693 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state); 694 695 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 696 } 697 698 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable) 699 { 700 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 701 struct rtw_fw_wow_keep_alive_para mode = { 702 .adopt = true, 703 .pkt_type = KEEP_ALIVE_NULL_PKT, 704 .period = 5, 705 }; 706 707 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE); 708 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable); 709 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt); 710 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type); 711 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period); 712 713 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 714 } 715 716 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable) 717 { 718 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 719 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 720 struct rtw_fw_wow_disconnect_para mode = { 721 .adopt = true, 722 .period = 30, 723 .retry_count = 5, 724 }; 725 726 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION); 727 728 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) { 729 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable); 730 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt); 731 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period); 732 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count); 733 } 734 735 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 736 } 737 738 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 739 { 740 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 741 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 742 743 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN); 744 745 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable); 746 if (rtw_wow_mgd_linked(rtwdev)) { 747 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) 748 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable); 749 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) 750 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable); 751 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags)) 752 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable); 753 if (rtw_wow->pattern_cnt) 754 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable); 755 } 756 757 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 758 } 759 760 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev, 761 u8 pairwise_key_enc, 762 u8 group_key_enc) 763 { 764 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 765 766 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO); 767 768 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc); 769 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc); 770 771 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 772 } 773 774 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 775 { 776 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 777 778 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL); 779 780 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable); 781 782 if (rtw_wow_no_link(rtwdev)) 783 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable); 784 785 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 786 } 787 788 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev, 789 enum rtw_rsvd_packet_type type) 790 { 791 struct rtw_rsvd_page *rsvd_pkt; 792 u8 location = 0; 793 794 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 795 if (type == rsvd_pkt->type) 796 location = rsvd_pkt->page; 797 } 798 799 return location; 800 } 801 802 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable) 803 { 804 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 805 u8 loc_nlo; 806 807 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO); 808 809 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO); 810 811 SET_NLO_FUN_EN(h2c_pkt, enable); 812 if (enable) { 813 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE) 814 SET_NLO_PS_32K(h2c_pkt, enable); 815 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable); 816 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo); 817 } 818 819 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 820 } 821 822 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) 823 { 824 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 825 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 826 u8 loc_pg, loc_dpk; 827 828 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); 829 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); 830 831 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); 832 833 LPS_PG_INFO_LOC(h2c_pkt, loc_pg); 834 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); 835 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); 836 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); 837 838 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 839 } 840 841 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, 842 struct cfg80211_ssid *ssid) 843 { 844 struct rtw_rsvd_page *rsvd_pkt; 845 u8 location = 0; 846 847 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 848 if (rsvd_pkt->type != RSVD_PROBE_REQ) 849 continue; 850 if ((!ssid && !rsvd_pkt->ssid) || 851 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 852 location = rsvd_pkt->page; 853 } 854 855 return location; 856 } 857 858 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, 859 struct cfg80211_ssid *ssid) 860 { 861 struct rtw_rsvd_page *rsvd_pkt; 862 u16 size = 0; 863 864 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 865 if (rsvd_pkt->type != RSVD_PROBE_REQ) 866 continue; 867 if ((!ssid && !rsvd_pkt->ssid) || 868 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 869 size = rsvd_pkt->probe_req_size; 870 } 871 872 return size; 873 } 874 875 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) 876 { 877 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 878 u8 location = 0; 879 880 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); 881 882 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); 883 *(h2c_pkt + 1) = location; 884 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); 885 886 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); 887 *(h2c_pkt + 2) = location; 888 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); 889 890 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); 891 *(h2c_pkt + 3) = location; 892 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); 893 894 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); 895 *(h2c_pkt + 4) = location; 896 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); 897 898 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 899 } 900 901 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) 902 { 903 struct rtw_dev *rtwdev = hw->priv; 904 struct rtw_chip_info *chip = rtwdev->chip; 905 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 906 struct rtw_nlo_info_hdr *nlo_hdr; 907 struct cfg80211_ssid *ssid; 908 struct sk_buff *skb; 909 u8 *pos, loc; 910 u32 size; 911 int i; 912 913 if (!pno_req->inited || !pno_req->match_set_cnt) 914 return NULL; 915 916 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * 917 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; 918 919 skb = alloc_skb(size, GFP_KERNEL); 920 if (!skb) 921 return NULL; 922 923 skb_reserve(skb, chip->tx_pkt_desc_sz); 924 925 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); 926 927 nlo_hdr->nlo_count = pno_req->match_set_cnt; 928 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; 929 930 /* pattern check for firmware */ 931 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); 932 933 for (i = 0; i < pno_req->match_set_cnt; i++) 934 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; 935 936 for (i = 0; i < pno_req->match_set_cnt; i++) { 937 ssid = &pno_req->match_sets[i].ssid; 938 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 939 if (!loc) { 940 rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); 941 kfree_skb(skb); 942 return NULL; 943 } 944 nlo_hdr->location[i] = loc; 945 } 946 947 for (i = 0; i < pno_req->match_set_cnt; i++) { 948 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); 949 memcpy(pos, pno_req->match_sets[i].ssid.ssid, 950 pno_req->match_sets[i].ssid.ssid_len); 951 } 952 953 return skb; 954 } 955 956 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) 957 { 958 struct rtw_dev *rtwdev = hw->priv; 959 struct rtw_chip_info *chip = rtwdev->chip; 960 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 961 struct ieee80211_channel *channels = pno_req->channels; 962 struct sk_buff *skb; 963 int count = pno_req->channel_cnt; 964 u8 *pos; 965 int i = 0; 966 967 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); 968 if (!skb) 969 return NULL; 970 971 skb_reserve(skb, chip->tx_pkt_desc_sz); 972 973 for (i = 0; i < count; i++) { 974 pos = skb_put_zero(skb, 4); 975 976 CHSW_INFO_SET_CH(pos, channels[i].hw_value); 977 978 if (channels[i].flags & IEEE80211_CHAN_RADAR) 979 CHSW_INFO_SET_ACTION_ID(pos, 0); 980 else 981 CHSW_INFO_SET_ACTION_ID(pos, 1); 982 CHSW_INFO_SET_TIMEOUT(pos, 1); 983 CHSW_INFO_SET_PRI_CH_IDX(pos, 1); 984 CHSW_INFO_SET_BW(pos, 0); 985 } 986 987 return skb; 988 } 989 990 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) 991 { 992 struct rtw_dev *rtwdev = hw->priv; 993 struct rtw_chip_info *chip = rtwdev->chip; 994 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; 995 struct rtw_lps_pg_dpk_hdr *dpk_hdr; 996 struct sk_buff *skb; 997 u32 size; 998 999 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr); 1000 skb = alloc_skb(size, GFP_KERNEL); 1001 if (!skb) 1002 return NULL; 1003 1004 skb_reserve(skb, chip->tx_pkt_desc_sz); 1005 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); 1006 dpk_hdr->dpk_ch = dpk_info->dpk_ch; 1007 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; 1008 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); 1009 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); 1010 memcpy(dpk_hdr->coef, dpk_info->coef, 160); 1011 1012 return skb; 1013 } 1014 1015 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) 1016 { 1017 struct rtw_dev *rtwdev = hw->priv; 1018 struct rtw_chip_info *chip = rtwdev->chip; 1019 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1020 struct rtw_lps_pg_info_hdr *pg_info_hdr; 1021 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1022 struct sk_buff *skb; 1023 u32 size; 1024 1025 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); 1026 skb = alloc_skb(size, GFP_KERNEL); 1027 if (!skb) 1028 return NULL; 1029 1030 skb_reserve(skb, chip->tx_pkt_desc_sz); 1031 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); 1032 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; 1033 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 1034 pg_info_hdr->sec_cam_count = 1035 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); 1036 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; 1037 1038 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; 1039 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; 1040 1041 return skb; 1042 } 1043 1044 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, 1045 struct rtw_rsvd_page *rsvd_pkt) 1046 { 1047 struct ieee80211_vif *vif; 1048 struct rtw_vif *rtwvif; 1049 struct sk_buff *skb_new; 1050 struct cfg80211_ssid *ssid; 1051 1052 if (rsvd_pkt->type == RSVD_DUMMY) { 1053 skb_new = alloc_skb(1, GFP_KERNEL); 1054 if (!skb_new) 1055 return NULL; 1056 1057 skb_put(skb_new, 1); 1058 return skb_new; 1059 } 1060 1061 rtwvif = rsvd_pkt->rtwvif; 1062 if (!rtwvif) 1063 return NULL; 1064 1065 vif = rtwvif_to_vif(rtwvif); 1066 1067 switch (rsvd_pkt->type) { 1068 case RSVD_BEACON: 1069 skb_new = ieee80211_beacon_get(hw, vif); 1070 break; 1071 case RSVD_PS_POLL: 1072 skb_new = ieee80211_pspoll_get(hw, vif); 1073 break; 1074 case RSVD_PROBE_RESP: 1075 skb_new = ieee80211_proberesp_get(hw, vif); 1076 break; 1077 case RSVD_NULL: 1078 skb_new = ieee80211_nullfunc_get(hw, vif, false); 1079 break; 1080 case RSVD_QOS_NULL: 1081 skb_new = ieee80211_nullfunc_get(hw, vif, true); 1082 break; 1083 case RSVD_LPS_PG_DPK: 1084 skb_new = rtw_lps_pg_dpk_get(hw); 1085 break; 1086 case RSVD_LPS_PG_INFO: 1087 skb_new = rtw_lps_pg_info_get(hw); 1088 break; 1089 case RSVD_PROBE_REQ: 1090 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; 1091 if (ssid) 1092 skb_new = ieee80211_probereq_get(hw, vif->addr, 1093 ssid->ssid, 1094 ssid->ssid_len, 0); 1095 else 1096 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); 1097 if (skb_new) 1098 rsvd_pkt->probe_req_size = (u16)skb_new->len; 1099 break; 1100 case RSVD_NLO_INFO: 1101 skb_new = rtw_nlo_info_get(hw); 1102 break; 1103 case RSVD_CH_INFO: 1104 skb_new = rtw_cs_channel_info_get(hw); 1105 break; 1106 default: 1107 return NULL; 1108 } 1109 1110 if (!skb_new) 1111 return NULL; 1112 1113 return skb_new; 1114 } 1115 1116 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 1117 enum rtw_rsvd_packet_type type) 1118 { 1119 struct rtw_tx_pkt_info pkt_info = {0}; 1120 struct rtw_chip_info *chip = rtwdev->chip; 1121 u8 *pkt_desc; 1122 1123 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 1124 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 1125 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 1126 rtw_tx_fill_tx_desc(&pkt_info, skb); 1127 } 1128 1129 static inline u8 rtw_len_to_page(unsigned int len, u8 page_size) 1130 { 1131 return DIV_ROUND_UP(len, page_size); 1132 } 1133 1134 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size, 1135 u8 page_margin, u32 page, u8 *buf, 1136 struct rtw_rsvd_page *rsvd_pkt) 1137 { 1138 struct sk_buff *skb = rsvd_pkt->skb; 1139 1140 if (page >= 1) 1141 memcpy(buf + page_margin + page_size * (page - 1), 1142 skb->data, skb->len); 1143 else 1144 memcpy(buf, skb->data, skb->len); 1145 } 1146 1147 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 1148 enum rtw_rsvd_packet_type type, 1149 bool txdesc) 1150 { 1151 struct rtw_rsvd_page *rsvd_pkt = NULL; 1152 1153 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); 1154 1155 if (!rsvd_pkt) 1156 return NULL; 1157 1158 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 1159 INIT_LIST_HEAD(&rsvd_pkt->build_list); 1160 rsvd_pkt->type = type; 1161 rsvd_pkt->add_txdesc = txdesc; 1162 1163 return rsvd_pkt; 1164 } 1165 1166 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 1167 struct rtw_vif *rtwvif, 1168 struct rtw_rsvd_page *rsvd_pkt) 1169 { 1170 lockdep_assert_held(&rtwdev->mutex); 1171 1172 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 1173 } 1174 1175 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 1176 struct rtw_vif *rtwvif, 1177 enum rtw_rsvd_packet_type type, 1178 bool txdesc) 1179 { 1180 struct rtw_rsvd_page *rsvd_pkt; 1181 1182 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1183 if (!rsvd_pkt) { 1184 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1185 return; 1186 } 1187 1188 rsvd_pkt->rtwvif = rtwvif; 1189 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1190 } 1191 1192 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1193 struct rtw_vif *rtwvif, 1194 struct cfg80211_ssid *ssid) 1195 { 1196 struct rtw_rsvd_page *rsvd_pkt; 1197 1198 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1199 if (!rsvd_pkt) { 1200 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1201 return; 1202 } 1203 1204 rsvd_pkt->rtwvif = rtwvif; 1205 rsvd_pkt->ssid = ssid; 1206 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1207 } 1208 1209 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1210 struct rtw_vif *rtwvif) 1211 { 1212 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1213 1214 lockdep_assert_held(&rtwdev->mutex); 1215 1216 /* remove all of the rsvd pages for vif */ 1217 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1218 vif_list) { 1219 list_del(&rsvd_pkt->vif_list); 1220 if (!list_empty(&rsvd_pkt->build_list)) 1221 list_del(&rsvd_pkt->build_list); 1222 kfree(rsvd_pkt); 1223 } 1224 } 1225 1226 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1227 struct rtw_vif *rtwvif) 1228 { 1229 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1230 1231 if (vif->type != NL80211_IFTYPE_AP && 1232 vif->type != NL80211_IFTYPE_ADHOC && 1233 vif->type != NL80211_IFTYPE_MESH_POINT) { 1234 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1235 vif->type); 1236 return; 1237 } 1238 1239 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1240 } 1241 1242 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1243 struct rtw_vif *rtwvif) 1244 { 1245 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1246 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1247 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1248 struct cfg80211_ssid *ssid; 1249 int i; 1250 1251 if (vif->type != NL80211_IFTYPE_STATION) { 1252 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1253 vif->type); 1254 return; 1255 } 1256 1257 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1258 ssid = &rtw_pno_req->match_sets[i].ssid; 1259 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1260 } 1261 1262 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1263 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1264 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1265 } 1266 1267 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1268 struct rtw_vif *rtwvif) 1269 { 1270 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1271 1272 if (vif->type != NL80211_IFTYPE_STATION) { 1273 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1274 vif->type); 1275 return; 1276 } 1277 1278 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1279 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1280 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1281 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1282 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1283 } 1284 1285 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1286 u8 *buf, u32 size) 1287 { 1288 u8 bckp[2]; 1289 u8 val; 1290 u16 rsvd_pg_head; 1291 u32 bcn_valid_addr; 1292 u32 bcn_valid_mask; 1293 int ret; 1294 1295 lockdep_assert_held(&rtwdev->mutex); 1296 1297 if (!size) 1298 return -EINVAL; 1299 1300 if (rtw_chip_wcpu_11n(rtwdev)) { 1301 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1302 } else { 1303 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1304 pg_addr |= BIT_BCN_VALID_V1; 1305 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1306 } 1307 1308 val = rtw_read8(rtwdev, REG_CR + 1); 1309 bckp[0] = val; 1310 val |= BIT_ENSWBCN >> 8; 1311 rtw_write8(rtwdev, REG_CR + 1, val); 1312 1313 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1314 bckp[1] = val; 1315 val &= ~(BIT_EN_BCNQ_DL >> 16); 1316 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1317 1318 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1319 if (ret) { 1320 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1321 goto restore; 1322 } 1323 1324 if (rtw_chip_wcpu_11n(rtwdev)) { 1325 bcn_valid_addr = REG_DWBCN0_CTRL; 1326 bcn_valid_mask = BIT_BCN_VALID; 1327 } else { 1328 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1329 bcn_valid_mask = BIT_BCN_VALID_V1; 1330 } 1331 1332 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1333 rtw_err(rtwdev, "error beacon valid\n"); 1334 ret = -EBUSY; 1335 } 1336 1337 restore: 1338 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1339 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1340 rsvd_pg_head | BIT_BCN_VALID_V1); 1341 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1342 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1343 1344 return ret; 1345 } 1346 1347 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1348 { 1349 u32 pg_size; 1350 u32 pg_num = 0; 1351 u16 pg_addr = 0; 1352 1353 pg_size = rtwdev->chip->page_size; 1354 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1355 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1356 return -ENOMEM; 1357 1358 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1359 1360 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1361 } 1362 1363 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1364 { 1365 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1366 1367 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1368 build_list) { 1369 list_del_init(&rsvd_pkt->build_list); 1370 1371 /* Don't free except for the dummy rsvd page, 1372 * others will be freed when removing vif 1373 */ 1374 if (rsvd_pkt->type == RSVD_DUMMY) 1375 kfree(rsvd_pkt); 1376 } 1377 } 1378 1379 static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1380 struct ieee80211_vif *vif) 1381 { 1382 struct rtw_dev *rtwdev = data; 1383 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1384 struct rtw_rsvd_page *rsvd_pkt; 1385 1386 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1387 if (rsvd_pkt->type == RSVD_BEACON) 1388 list_add(&rsvd_pkt->build_list, 1389 &rtwdev->rsvd_page_list); 1390 else 1391 list_add_tail(&rsvd_pkt->build_list, 1392 &rtwdev->rsvd_page_list); 1393 } 1394 } 1395 1396 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1397 { 1398 struct rtw_rsvd_page *rsvd_pkt; 1399 1400 __rtw_build_rsvd_page_reset(rtwdev); 1401 1402 /* gather rsvd page from vifs */ 1403 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1404 1405 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1406 struct rtw_rsvd_page, build_list); 1407 if (!rsvd_pkt) { 1408 WARN(1, "Should not have an empty reserved page\n"); 1409 return -EINVAL; 1410 } 1411 1412 /* the first rsvd should be beacon, otherwise add a dummy one */ 1413 if (rsvd_pkt->type != RSVD_BEACON) { 1414 struct rtw_rsvd_page *dummy_pkt; 1415 1416 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1417 if (!dummy_pkt) { 1418 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1419 return -ENOMEM; 1420 } 1421 1422 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1423 } 1424 1425 return 0; 1426 } 1427 1428 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1429 { 1430 struct ieee80211_hw *hw = rtwdev->hw; 1431 struct rtw_chip_info *chip = rtwdev->chip; 1432 struct sk_buff *iter; 1433 struct rtw_rsvd_page *rsvd_pkt; 1434 u32 page = 0; 1435 u8 total_page = 0; 1436 u8 page_size, page_margin, tx_desc_sz; 1437 u8 *buf; 1438 int ret; 1439 1440 page_size = chip->page_size; 1441 tx_desc_sz = chip->tx_pkt_desc_sz; 1442 page_margin = page_size - tx_desc_sz; 1443 1444 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1445 if (ret) { 1446 rtw_err(rtwdev, 1447 "failed to build rsvd page from vifs, ret %d\n", ret); 1448 return NULL; 1449 } 1450 1451 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1452 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1453 if (!iter) { 1454 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1455 goto release_skb; 1456 } 1457 1458 /* Fill the tx_desc for the rsvd pkt that requires one. 1459 * And iter->len will be added with size of tx_desc_sz. 1460 */ 1461 if (rsvd_pkt->add_txdesc) 1462 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1463 1464 rsvd_pkt->skb = iter; 1465 rsvd_pkt->page = total_page; 1466 1467 /* Reserved page is downloaded via TX path, and TX path will 1468 * generate a tx_desc at the header to describe length of 1469 * the buffer. If we are not counting page numbers with the 1470 * size of tx_desc added at the first rsvd_pkt (usually a 1471 * beacon, firmware default refer to the first page as the 1472 * content of beacon), we could generate a buffer which size 1473 * is smaller than the actual size of the whole rsvd_page 1474 */ 1475 if (total_page == 0) { 1476 if (rsvd_pkt->type != RSVD_BEACON && 1477 rsvd_pkt->type != RSVD_DUMMY) { 1478 rtw_err(rtwdev, "first page should be a beacon\n"); 1479 goto release_skb; 1480 } 1481 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1482 page_size); 1483 } else { 1484 total_page += rtw_len_to_page(iter->len, page_size); 1485 } 1486 } 1487 1488 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1489 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1490 goto release_skb; 1491 } 1492 1493 *size = (total_page - 1) * page_size + page_margin; 1494 buf = kzalloc(*size, GFP_KERNEL); 1495 if (!buf) 1496 goto release_skb; 1497 1498 /* Copy the content of each rsvd_pkt to the buf, and they should 1499 * be aligned to the pages. 1500 * 1501 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1502 * And that rsvd_pkt does not require tx_desc because when it goes 1503 * through TX path, the TX path will generate one for it. 1504 */ 1505 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1506 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1507 page, buf, rsvd_pkt); 1508 if (page == 0) 1509 page += rtw_len_to_page(rsvd_pkt->skb->len + 1510 tx_desc_sz, page_size); 1511 else 1512 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1513 1514 kfree_skb(rsvd_pkt->skb); 1515 rsvd_pkt->skb = NULL; 1516 } 1517 1518 return buf; 1519 1520 release_skb: 1521 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1522 kfree_skb(rsvd_pkt->skb); 1523 rsvd_pkt->skb = NULL; 1524 } 1525 1526 return NULL; 1527 } 1528 1529 static int rtw_download_beacon(struct rtw_dev *rtwdev) 1530 { 1531 struct ieee80211_hw *hw = rtwdev->hw; 1532 struct rtw_rsvd_page *rsvd_pkt; 1533 struct sk_buff *skb; 1534 int ret = 0; 1535 1536 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1537 struct rtw_rsvd_page, build_list); 1538 if (!rsvd_pkt) { 1539 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1540 return -ENOENT; 1541 } 1542 1543 if (rsvd_pkt->type != RSVD_BEACON && 1544 rsvd_pkt->type != RSVD_DUMMY) { 1545 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1546 rsvd_pkt->type); 1547 return -EINVAL; 1548 } 1549 1550 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1551 if (!skb) { 1552 rtw_err(rtwdev, "failed to get beacon skb\n"); 1553 return -ENOMEM; 1554 } 1555 1556 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1557 if (ret) 1558 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1559 1560 dev_kfree_skb(skb); 1561 1562 return ret; 1563 } 1564 1565 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1566 { 1567 u8 *buf; 1568 u32 size; 1569 int ret; 1570 1571 buf = rtw_build_rsvd_page(rtwdev, &size); 1572 if (!buf) { 1573 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1574 return -ENOMEM; 1575 } 1576 1577 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1578 if (ret) { 1579 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1580 goto free; 1581 } 1582 1583 /* The last thing is to download the *ONLY* beacon again, because 1584 * the previous tx_desc is to describe the total rsvd page. Download 1585 * the beacon again to replace the TX desc header, and we will get 1586 * a correct tx_desc for the beacon in the rsvd page. 1587 */ 1588 ret = rtw_download_beacon(rtwdev); 1589 if (ret) { 1590 rtw_err(rtwdev, "failed to download beacon\n"); 1591 goto free; 1592 } 1593 1594 free: 1595 kfree(buf); 1596 1597 return ret; 1598 } 1599 1600 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1601 u32 *buf, u32 residue, u16 start_pg) 1602 { 1603 u32 i; 1604 u16 idx = 0; 1605 u16 ctl; 1606 1607 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1608 /* disable rx clock gate */ 1609 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 1610 1611 do { 1612 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); 1613 1614 for (i = FIFO_DUMP_ADDR + residue; 1615 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { 1616 buf[idx++] = rtw_read32(rtwdev, i); 1617 size -= 4; 1618 if (size == 0) 1619 goto out; 1620 } 1621 1622 residue = 0; 1623 start_pg++; 1624 } while (size); 1625 1626 out: 1627 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1628 /* restore rx clock gate */ 1629 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1630 } 1631 1632 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1633 u32 offset, u32 size, u32 *buf) 1634 { 1635 struct rtw_chip_info *chip = rtwdev->chip; 1636 u32 start_pg, residue; 1637 1638 if (sel >= RTW_FW_FIFO_MAX) { 1639 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1640 return; 1641 } 1642 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1643 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1644 residue = offset & (FIFO_PAGE_SIZE - 1); 1645 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1646 1647 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1648 } 1649 1650 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1651 enum rtw_fw_fifo_sel sel, 1652 u32 start_addr, u32 size) 1653 { 1654 switch (sel) { 1655 case RTW_FW_FIFO_SEL_TX: 1656 case RTW_FW_FIFO_SEL_RX: 1657 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1658 return false; 1659 fallthrough; 1660 default: 1661 return true; 1662 } 1663 } 1664 1665 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1666 u32 *buffer) 1667 { 1668 if (!rtwdev->chip->fw_fifo_addr[0]) { 1669 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1670 return -ENOTSUPP; 1671 } 1672 1673 if (size == 0 || !buffer) 1674 return -EINVAL; 1675 1676 if (size & 0x3) { 1677 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1678 return -EINVAL; 1679 } 1680 1681 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1682 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1683 return -EINVAL; 1684 } 1685 1686 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1687 1688 return 0; 1689 } 1690 1691 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1692 u8 location) 1693 { 1694 struct rtw_chip_info *chip = rtwdev->chip; 1695 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1696 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1697 1698 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1699 1700 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1701 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1702 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1703 1704 /* include txdesc size */ 1705 size += chip->tx_pkt_desc_sz; 1706 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1707 1708 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1709 } 1710 1711 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1712 struct cfg80211_ssid *ssid) 1713 { 1714 u8 loc; 1715 u16 size; 1716 1717 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1718 if (!loc) { 1719 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1720 return; 1721 } 1722 1723 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1724 if (!size) { 1725 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1726 return; 1727 } 1728 1729 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1730 } 1731 1732 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1733 { 1734 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1735 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1736 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1737 u8 loc_ch_info; 1738 const struct rtw_ch_switch_option cs_option = { 1739 .dest_ch_en = 1, 1740 .dest_ch = 1, 1741 .periodic_option = 2, 1742 .normal_period = 5, 1743 .normal_period_sel = 0, 1744 .normal_cycle = 10, 1745 .slow_period = 1, 1746 .slow_period_sel = 1, 1747 }; 1748 1749 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1750 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1751 1752 CH_SWITCH_SET_START(h2c_pkt, enable); 1753 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1754 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1755 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1756 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1757 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1758 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1759 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1760 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1761 1762 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1763 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1764 1765 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1766 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1767 1768 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1769 } 1770 1771 void rtw_fw_adaptivity(struct rtw_dev *rtwdev) 1772 { 1773 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1774 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1775 1776 if (!rtw_edcca_enabled) { 1777 dm_info->edcca_mode = RTW_EDCCA_NORMAL; 1778 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 1779 "EDCCA disabled by debugfs\n"); 1780 } 1781 1782 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); 1783 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); 1784 SET_ADAPTIVITY_OPTION(h2c_pkt, 2); 1785 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); 1786 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); 1787 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); 1788 1789 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1790 } 1791 1792 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 1793 { 1794 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1795 1796 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN); 1797 SET_SCAN_START(h2c_pkt, start); 1798 1799 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1800 } 1801 1802 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb, 1803 struct sk_buff_head *list, u8 *bands, 1804 struct rtw_vif *rtwvif) 1805 { 1806 struct ieee80211_scan_ies *ies = rtwvif->scan_ies; 1807 struct rtw_chip_info *chip = rtwdev->chip; 1808 struct sk_buff *new; 1809 u8 idx; 1810 1811 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) { 1812 if (!(BIT(idx) & chip->band)) 1813 continue; 1814 new = skb_copy(skb, GFP_KERNEL); 1815 if (!new) 1816 return -ENOMEM; 1817 skb_put_data(new, ies->ies[idx], ies->len[idx]); 1818 skb_put_data(new, ies->common_ies, ies->common_ie_len); 1819 skb_queue_tail(list, new); 1820 (*bands)++; 1821 } 1822 1823 return 0; 1824 } 1825 1826 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes, 1827 struct sk_buff_head *probe_req_list) 1828 { 1829 struct rtw_chip_info *chip = rtwdev->chip; 1830 struct sk_buff *skb, *tmp; 1831 u8 page_offset = 1, *buf, page_size = chip->page_size; 1832 u8 pages = page_offset + num_probes * RTW_PROBE_PG_CNT; 1833 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc; 1834 u16 buf_offset = page_size * page_offset; 1835 u8 tx_desc_sz = chip->tx_pkt_desc_sz; 1836 unsigned int pkt_len; 1837 int ret; 1838 1839 buf = kzalloc(page_size * pages, GFP_KERNEL); 1840 if (!buf) 1841 return -ENOMEM; 1842 1843 buf_offset -= tx_desc_sz; 1844 skb_queue_walk_safe(probe_req_list, skb, tmp) { 1845 skb_unlink(skb, probe_req_list); 1846 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ); 1847 if (skb->len > page_size * RTW_PROBE_PG_CNT) { 1848 ret = -EINVAL; 1849 goto out; 1850 } 1851 1852 memcpy(buf + buf_offset, skb->data, skb->len); 1853 pkt_len = skb->len - tx_desc_sz; 1854 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset; 1855 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc); 1856 1857 buf_offset += RTW_PROBE_PG_CNT * page_size; 1858 page_offset += RTW_PROBE_PG_CNT; 1859 kfree_skb(skb); 1860 } 1861 1862 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset); 1863 if (ret) { 1864 rtw_err(rtwdev, "Download probe request to firmware failed\n"); 1865 goto out; 1866 } 1867 1868 rtwdev->scan_info.probe_pg_size = page_offset; 1869 out: 1870 kfree(buf); 1871 skb_queue_walk_safe(probe_req_list, skb, tmp) 1872 kfree_skb(skb); 1873 1874 return ret; 1875 } 1876 1877 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, 1878 struct rtw_vif *rtwvif) 1879 { 1880 struct cfg80211_scan_request *req = rtwvif->scan_req; 1881 struct sk_buff_head list; 1882 struct sk_buff *skb, *tmp; 1883 u8 num = req->n_ssids, i, bands = 0; 1884 int ret; 1885 1886 skb_queue_head_init(&list); 1887 for (i = 0; i < num; i++) { 1888 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr, 1889 req->ssids[i].ssid, 1890 req->ssids[i].ssid_len, 1891 req->ie_len); 1892 if (!skb) { 1893 ret = -ENOMEM; 1894 goto out; 1895 } 1896 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands, 1897 rtwvif); 1898 if (ret) 1899 goto out; 1900 1901 kfree_skb(skb); 1902 } 1903 1904 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list); 1905 1906 out: 1907 skb_queue_walk_safe(&list, skb, tmp) 1908 kfree_skb(skb); 1909 1910 return ret; 1911 } 1912 1913 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info, 1914 struct rtw_chan_list *list, u8 *buf) 1915 { 1916 u8 *chan = &buf[list->size]; 1917 u8 info_size = RTW_CH_INFO_SIZE; 1918 1919 if (list->size > list->buf_size) 1920 return -ENOMEM; 1921 1922 CH_INFO_SET_CH(chan, info->channel); 1923 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx); 1924 CH_INFO_SET_BW(chan, info->bw); 1925 CH_INFO_SET_TIMEOUT(chan, info->timeout); 1926 CH_INFO_SET_ACTION_ID(chan, info->action_id); 1927 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info); 1928 if (info->extra_info) { 1929 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS); 1930 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN); 1931 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE - 1932 RTW_EX_CH_INFO_HDR_SIZE); 1933 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME); 1934 info_size += RTW_EX_CH_INFO_SIZE; 1935 } 1936 list->size += info_size; 1937 list->ch_num++; 1938 1939 return 0; 1940 } 1941 1942 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 1943 struct rtw_chan_list *list, u8 *buf) 1944 { 1945 struct cfg80211_scan_request *req = rtwvif->scan_req; 1946 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 1947 struct ieee80211_channel *channel; 1948 int i, ret = 0; 1949 1950 for (i = 0; i < req->n_channels; i++) { 1951 struct rtw_chan_info ch_info = {0}; 1952 1953 channel = req->channels[i]; 1954 ch_info.channel = channel->hw_value; 1955 ch_info.bw = RTW_SCAN_WIDTH; 1956 ch_info.pri_ch_idx = RTW_PRI_CH_IDX; 1957 ch_info.timeout = req->duration_mandatory ? 1958 req->duration : RTW_CHANNEL_TIME; 1959 1960 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) { 1961 ch_info.action_id = RTW_CHANNEL_RADAR; 1962 ch_info.extra_info = 1; 1963 /* Overwrite duration for passive scans if necessary */ 1964 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ? 1965 ch_info.timeout : RTW_PASS_CHAN_TIME; 1966 } else { 1967 ch_info.action_id = RTW_CHANNEL_ACTIVE; 1968 } 1969 1970 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf); 1971 if (ret) 1972 return ret; 1973 } 1974 1975 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) { 1976 rtw_err(rtwdev, "List exceeds rsvd page total size\n"); 1977 return -EINVAL; 1978 } 1979 1980 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size; 1981 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size); 1982 if (ret) 1983 rtw_err(rtwdev, "Download channel list failed\n"); 1984 1985 return ret; 1986 } 1987 1988 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev, 1989 struct rtw_ch_switch_option *opt, 1990 struct rtw_vif *rtwvif, 1991 struct rtw_chan_list *list) 1992 { 1993 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 1994 struct cfg80211_scan_request *req = rtwvif->scan_req; 1995 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 1996 /* reserve one dummy page at the beginning for tx descriptor */ 1997 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1; 1998 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN; 1999 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 2000 2001 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD); 2002 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN); 2003 2004 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en); 2005 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en); 2006 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq); 2007 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck); 2008 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num); 2009 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size); 2010 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary); 2011 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan); 2012 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx); 2013 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw); 2014 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port); 2015 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ? 2016 req->duration : RTW_CHANNEL_TIME); 2017 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME); 2018 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids); 2019 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc); 2020 2021 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 2022 } 2023 2024 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2025 struct ieee80211_scan_request *scan_req) 2026 { 2027 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 2028 struct cfg80211_scan_request *req = &scan_req->req; 2029 u8 mac_addr[ETH_ALEN]; 2030 2031 rtwdev->scan_info.scanning_vif = vif; 2032 rtwvif->scan_ies = &scan_req->ies; 2033 rtwvif->scan_req = req; 2034 2035 ieee80211_stop_queues(rtwdev->hw); 2036 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) 2037 get_random_mask_addr(mac_addr, req->mac_addr, 2038 req->mac_addr_mask); 2039 else 2040 ether_addr_copy(mac_addr, vif->addr); 2041 2042 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true); 2043 2044 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN; 2045 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2046 } 2047 2048 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2049 bool aborted) 2050 { 2051 struct cfg80211_scan_info info = { 2052 .aborted = aborted, 2053 }; 2054 struct rtw_vif *rtwvif; 2055 2056 if (!vif) 2057 return; 2058 2059 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 2060 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2061 2062 rtw_core_scan_complete(rtwdev, vif, true); 2063 2064 ieee80211_wake_queues(rtwdev->hw); 2065 ieee80211_scan_completed(rtwdev->hw, &info); 2066 2067 rtwvif = (struct rtw_vif *)vif->drv_priv; 2068 rtwvif->scan_req = NULL; 2069 rtwvif->scan_ies = NULL; 2070 rtwdev->scan_info.scanning_vif = NULL; 2071 } 2072 2073 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2074 struct rtw_chan_list *list) 2075 { 2076 struct cfg80211_scan_request *req = rtwvif->scan_req; 2077 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE); 2078 u8 *buf; 2079 int ret; 2080 2081 buf = kmalloc(size, GFP_KERNEL); 2082 if (!buf) 2083 return -ENOMEM; 2084 2085 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif); 2086 if (ret) { 2087 rtw_err(rtwdev, "Update probe request failed\n"); 2088 goto out; 2089 } 2090 2091 list->buf_size = size; 2092 list->size = 0; 2093 list->ch_num = 0; 2094 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf); 2095 out: 2096 kfree(buf); 2097 2098 return ret; 2099 } 2100 2101 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2102 bool enable) 2103 { 2104 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL; 2105 struct rtw_ch_switch_option cs_option = {0}; 2106 struct rtw_chan_list chan_list = {0}; 2107 int ret = 0; 2108 2109 if (!rtwvif) 2110 return -EINVAL; 2111 2112 cs_option.switch_en = enable; 2113 cs_option.back_op_en = rtwvif->net_type == RTW_NET_MGD_LINKED; 2114 if (enable) { 2115 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list); 2116 if (ret) 2117 goto out; 2118 } 2119 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list); 2120 out: 2121 return ret; 2122 } 2123 2124 void rtw_hw_scan_abort(struct rtw_dev *rtwdev, struct ieee80211_vif *vif) 2125 { 2126 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 2127 return; 2128 2129 rtw_hw_scan_offload(rtwdev, vif, false); 2130 rtw_hw_scan_complete(rtwdev, vif, true); 2131 } 2132 2133 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb) 2134 { 2135 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2136 struct rtw_c2h_cmd *c2h; 2137 bool aborted; 2138 u8 rc; 2139 2140 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2141 return; 2142 2143 c2h = get_c2h_from_skb(skb); 2144 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload); 2145 aborted = rc != RTW_SCAN_REPORT_SUCCESS; 2146 rtw_hw_scan_complete(rtwdev, vif, aborted); 2147 2148 if (aborted) 2149 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc); 2150 } 2151 2152 void rtw_store_op_chan(struct rtw_dev *rtwdev) 2153 { 2154 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2155 struct rtw_hal *hal = &rtwdev->hal; 2156 2157 scan_info->op_chan = hal->current_channel; 2158 scan_info->op_bw = hal->current_band_width; 2159 scan_info->op_pri_ch_idx = hal->current_primary_channel_index; 2160 } 2161 2162 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel) 2163 { 2164 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2165 2166 return channel == scan_info->op_chan; 2167 } 2168 2169 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb) 2170 { 2171 struct rtw_hal *hal = &rtwdev->hal; 2172 struct rtw_c2h_cmd *c2h; 2173 enum rtw_scan_notify_id id; 2174 u8 chan, status; 2175 2176 c2h = get_c2h_from_skb(skb); 2177 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload); 2178 id = GET_CHAN_SWITCH_ID(c2h->payload); 2179 status = GET_CHAN_SWITCH_STATUS(c2h->payload); 2180 2181 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) { 2182 if (rtw_is_op_chan(rtwdev, chan)) 2183 ieee80211_wake_queues(rtwdev->hw); 2184 hal->current_channel = chan; 2185 hal->current_band_type = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2186 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) { 2187 if (IS_CH_5G_BAND(chan)) { 2188 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); 2189 } else if (IS_CH_2G_BAND(chan)) { 2190 u8 chan_type; 2191 2192 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2193 chan_type = COEX_SWITCH_TO_24G; 2194 else 2195 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN; 2196 rtw_coex_switchband_notify(rtwdev, chan_type); 2197 } 2198 if (rtw_is_op_chan(rtwdev, chan)) 2199 ieee80211_stop_queues(rtwdev->hw); 2200 } 2201 2202 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, 2203 "Chan switch: %x, id: %x, status: %x\n", chan, id, status); 2204 } 2205