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 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_pg_info(struct rtw_dev *rtwdev) 826 { 827 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 828 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 829 u8 loc_pg, loc_dpk; 830 831 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); 832 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); 833 834 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); 835 836 LPS_PG_INFO_LOC(h2c_pkt, loc_pg); 837 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); 838 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); 839 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); 840 841 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 842 } 843 844 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, 845 struct cfg80211_ssid *ssid) 846 { 847 struct rtw_rsvd_page *rsvd_pkt; 848 u8 location = 0; 849 850 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 851 if (rsvd_pkt->type != RSVD_PROBE_REQ) 852 continue; 853 if ((!ssid && !rsvd_pkt->ssid) || 854 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 855 location = rsvd_pkt->page; 856 } 857 858 return location; 859 } 860 861 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, 862 struct cfg80211_ssid *ssid) 863 { 864 struct rtw_rsvd_page *rsvd_pkt; 865 u16 size = 0; 866 867 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 868 if (rsvd_pkt->type != RSVD_PROBE_REQ) 869 continue; 870 if ((!ssid && !rsvd_pkt->ssid) || 871 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 872 size = rsvd_pkt->probe_req_size; 873 } 874 875 return size; 876 } 877 878 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) 879 { 880 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 881 u8 location = 0; 882 883 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); 884 885 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); 886 *(h2c_pkt + 1) = location; 887 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); 888 889 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); 890 *(h2c_pkt + 2) = location; 891 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); 892 893 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); 894 *(h2c_pkt + 3) = location; 895 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); 896 897 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); 898 *(h2c_pkt + 4) = location; 899 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); 900 901 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 902 } 903 904 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) 905 { 906 struct rtw_dev *rtwdev = hw->priv; 907 struct rtw_chip_info *chip = rtwdev->chip; 908 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 909 struct rtw_nlo_info_hdr *nlo_hdr; 910 struct cfg80211_ssid *ssid; 911 struct sk_buff *skb; 912 u8 *pos, loc; 913 u32 size; 914 int i; 915 916 if (!pno_req->inited || !pno_req->match_set_cnt) 917 return NULL; 918 919 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * 920 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; 921 922 skb = alloc_skb(size, GFP_KERNEL); 923 if (!skb) 924 return NULL; 925 926 skb_reserve(skb, chip->tx_pkt_desc_sz); 927 928 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); 929 930 nlo_hdr->nlo_count = pno_req->match_set_cnt; 931 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; 932 933 /* pattern check for firmware */ 934 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); 935 936 for (i = 0; i < pno_req->match_set_cnt; i++) 937 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; 938 939 for (i = 0; i < pno_req->match_set_cnt; i++) { 940 ssid = &pno_req->match_sets[i].ssid; 941 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 942 if (!loc) { 943 rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); 944 kfree_skb(skb); 945 return NULL; 946 } 947 nlo_hdr->location[i] = loc; 948 } 949 950 for (i = 0; i < pno_req->match_set_cnt; i++) { 951 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); 952 memcpy(pos, pno_req->match_sets[i].ssid.ssid, 953 pno_req->match_sets[i].ssid.ssid_len); 954 } 955 956 return skb; 957 } 958 959 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) 960 { 961 struct rtw_dev *rtwdev = hw->priv; 962 struct rtw_chip_info *chip = rtwdev->chip; 963 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 964 struct ieee80211_channel *channels = pno_req->channels; 965 struct sk_buff *skb; 966 int count = pno_req->channel_cnt; 967 u8 *pos; 968 int i = 0; 969 970 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); 971 if (!skb) 972 return NULL; 973 974 skb_reserve(skb, chip->tx_pkt_desc_sz); 975 976 for (i = 0; i < count; i++) { 977 pos = skb_put_zero(skb, 4); 978 979 CHSW_INFO_SET_CH(pos, channels[i].hw_value); 980 981 if (channels[i].flags & IEEE80211_CHAN_RADAR) 982 CHSW_INFO_SET_ACTION_ID(pos, 0); 983 else 984 CHSW_INFO_SET_ACTION_ID(pos, 1); 985 CHSW_INFO_SET_TIMEOUT(pos, 1); 986 CHSW_INFO_SET_PRI_CH_IDX(pos, 1); 987 CHSW_INFO_SET_BW(pos, 0); 988 } 989 990 return skb; 991 } 992 993 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) 994 { 995 struct rtw_dev *rtwdev = hw->priv; 996 struct rtw_chip_info *chip = rtwdev->chip; 997 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; 998 struct rtw_lps_pg_dpk_hdr *dpk_hdr; 999 struct sk_buff *skb; 1000 u32 size; 1001 1002 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr); 1003 skb = alloc_skb(size, GFP_KERNEL); 1004 if (!skb) 1005 return NULL; 1006 1007 skb_reserve(skb, chip->tx_pkt_desc_sz); 1008 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); 1009 dpk_hdr->dpk_ch = dpk_info->dpk_ch; 1010 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; 1011 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); 1012 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); 1013 memcpy(dpk_hdr->coef, dpk_info->coef, 160); 1014 1015 return skb; 1016 } 1017 1018 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) 1019 { 1020 struct rtw_dev *rtwdev = hw->priv; 1021 struct rtw_chip_info *chip = rtwdev->chip; 1022 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1023 struct rtw_lps_pg_info_hdr *pg_info_hdr; 1024 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1025 struct sk_buff *skb; 1026 u32 size; 1027 1028 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); 1029 skb = alloc_skb(size, GFP_KERNEL); 1030 if (!skb) 1031 return NULL; 1032 1033 skb_reserve(skb, chip->tx_pkt_desc_sz); 1034 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); 1035 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; 1036 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 1037 pg_info_hdr->sec_cam_count = 1038 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); 1039 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; 1040 1041 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; 1042 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; 1043 1044 return skb; 1045 } 1046 1047 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, 1048 struct rtw_rsvd_page *rsvd_pkt) 1049 { 1050 struct ieee80211_vif *vif; 1051 struct rtw_vif *rtwvif; 1052 struct sk_buff *skb_new; 1053 struct cfg80211_ssid *ssid; 1054 u16 tim_offset = 0; 1055 1056 if (rsvd_pkt->type == RSVD_DUMMY) { 1057 skb_new = alloc_skb(1, GFP_KERNEL); 1058 if (!skb_new) 1059 return NULL; 1060 1061 skb_put(skb_new, 1); 1062 return skb_new; 1063 } 1064 1065 rtwvif = rsvd_pkt->rtwvif; 1066 if (!rtwvif) 1067 return NULL; 1068 1069 vif = rtwvif_to_vif(rtwvif); 1070 1071 switch (rsvd_pkt->type) { 1072 case RSVD_BEACON: 1073 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0); 1074 rsvd_pkt->tim_offset = tim_offset; 1075 break; 1076 case RSVD_PS_POLL: 1077 skb_new = ieee80211_pspoll_get(hw, vif); 1078 break; 1079 case RSVD_PROBE_RESP: 1080 skb_new = ieee80211_proberesp_get(hw, vif); 1081 break; 1082 case RSVD_NULL: 1083 skb_new = ieee80211_nullfunc_get(hw, vif, false); 1084 break; 1085 case RSVD_QOS_NULL: 1086 skb_new = ieee80211_nullfunc_get(hw, vif, true); 1087 break; 1088 case RSVD_LPS_PG_DPK: 1089 skb_new = rtw_lps_pg_dpk_get(hw); 1090 break; 1091 case RSVD_LPS_PG_INFO: 1092 skb_new = rtw_lps_pg_info_get(hw); 1093 break; 1094 case RSVD_PROBE_REQ: 1095 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; 1096 if (ssid) 1097 skb_new = ieee80211_probereq_get(hw, vif->addr, 1098 ssid->ssid, 1099 ssid->ssid_len, 0); 1100 else 1101 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); 1102 if (skb_new) 1103 rsvd_pkt->probe_req_size = (u16)skb_new->len; 1104 break; 1105 case RSVD_NLO_INFO: 1106 skb_new = rtw_nlo_info_get(hw); 1107 break; 1108 case RSVD_CH_INFO: 1109 skb_new = rtw_cs_channel_info_get(hw); 1110 break; 1111 default: 1112 return NULL; 1113 } 1114 1115 if (!skb_new) 1116 return NULL; 1117 1118 return skb_new; 1119 } 1120 1121 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 1122 enum rtw_rsvd_packet_type type) 1123 { 1124 struct rtw_tx_pkt_info pkt_info = {0}; 1125 struct rtw_chip_info *chip = rtwdev->chip; 1126 u8 *pkt_desc; 1127 1128 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 1129 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 1130 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 1131 rtw_tx_fill_tx_desc(&pkt_info, skb); 1132 } 1133 1134 static inline u8 rtw_len_to_page(unsigned int len, u8 page_size) 1135 { 1136 return DIV_ROUND_UP(len, page_size); 1137 } 1138 1139 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size, 1140 u8 page_margin, u32 page, u8 *buf, 1141 struct rtw_rsvd_page *rsvd_pkt) 1142 { 1143 struct sk_buff *skb = rsvd_pkt->skb; 1144 1145 if (page >= 1) 1146 memcpy(buf + page_margin + page_size * (page - 1), 1147 skb->data, skb->len); 1148 else 1149 memcpy(buf, skb->data, skb->len); 1150 } 1151 1152 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 1153 enum rtw_rsvd_packet_type type, 1154 bool txdesc) 1155 { 1156 struct rtw_rsvd_page *rsvd_pkt = NULL; 1157 1158 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); 1159 1160 if (!rsvd_pkt) 1161 return NULL; 1162 1163 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 1164 INIT_LIST_HEAD(&rsvd_pkt->build_list); 1165 rsvd_pkt->type = type; 1166 rsvd_pkt->add_txdesc = txdesc; 1167 1168 return rsvd_pkt; 1169 } 1170 1171 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 1172 struct rtw_vif *rtwvif, 1173 struct rtw_rsvd_page *rsvd_pkt) 1174 { 1175 lockdep_assert_held(&rtwdev->mutex); 1176 1177 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 1178 } 1179 1180 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 1181 struct rtw_vif *rtwvif, 1182 enum rtw_rsvd_packet_type type, 1183 bool txdesc) 1184 { 1185 struct rtw_rsvd_page *rsvd_pkt; 1186 1187 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1188 if (!rsvd_pkt) { 1189 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1190 return; 1191 } 1192 1193 rsvd_pkt->rtwvif = rtwvif; 1194 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1195 } 1196 1197 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1198 struct rtw_vif *rtwvif, 1199 struct cfg80211_ssid *ssid) 1200 { 1201 struct rtw_rsvd_page *rsvd_pkt; 1202 1203 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1204 if (!rsvd_pkt) { 1205 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1206 return; 1207 } 1208 1209 rsvd_pkt->rtwvif = rtwvif; 1210 rsvd_pkt->ssid = ssid; 1211 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1212 } 1213 1214 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1215 struct rtw_vif *rtwvif) 1216 { 1217 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1218 1219 lockdep_assert_held(&rtwdev->mutex); 1220 1221 /* remove all of the rsvd pages for vif */ 1222 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1223 vif_list) { 1224 list_del(&rsvd_pkt->vif_list); 1225 if (!list_empty(&rsvd_pkt->build_list)) 1226 list_del(&rsvd_pkt->build_list); 1227 kfree(rsvd_pkt); 1228 } 1229 } 1230 1231 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1232 struct rtw_vif *rtwvif) 1233 { 1234 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1235 1236 if (vif->type != NL80211_IFTYPE_AP && 1237 vif->type != NL80211_IFTYPE_ADHOC && 1238 vif->type != NL80211_IFTYPE_MESH_POINT) { 1239 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1240 vif->type); 1241 return; 1242 } 1243 1244 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1245 } 1246 1247 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1248 struct rtw_vif *rtwvif) 1249 { 1250 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1251 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1252 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1253 struct cfg80211_ssid *ssid; 1254 int i; 1255 1256 if (vif->type != NL80211_IFTYPE_STATION) { 1257 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1258 vif->type); 1259 return; 1260 } 1261 1262 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1263 ssid = &rtw_pno_req->match_sets[i].ssid; 1264 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1265 } 1266 1267 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1268 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1269 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1270 } 1271 1272 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1273 struct rtw_vif *rtwvif) 1274 { 1275 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1276 1277 if (vif->type != NL80211_IFTYPE_STATION) { 1278 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1279 vif->type); 1280 return; 1281 } 1282 1283 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1284 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1285 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1286 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1287 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1288 } 1289 1290 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1291 u8 *buf, u32 size) 1292 { 1293 u8 bckp[2]; 1294 u8 val; 1295 u16 rsvd_pg_head; 1296 u32 bcn_valid_addr; 1297 u32 bcn_valid_mask; 1298 int ret; 1299 1300 lockdep_assert_held(&rtwdev->mutex); 1301 1302 if (!size) 1303 return -EINVAL; 1304 1305 if (rtw_chip_wcpu_11n(rtwdev)) { 1306 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1307 } else { 1308 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1309 pg_addr |= BIT_BCN_VALID_V1; 1310 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1311 } 1312 1313 val = rtw_read8(rtwdev, REG_CR + 1); 1314 bckp[0] = val; 1315 val |= BIT_ENSWBCN >> 8; 1316 rtw_write8(rtwdev, REG_CR + 1, val); 1317 1318 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1319 bckp[1] = val; 1320 val &= ~(BIT_EN_BCNQ_DL >> 16); 1321 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1322 1323 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1324 if (ret) { 1325 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1326 goto restore; 1327 } 1328 1329 if (rtw_chip_wcpu_11n(rtwdev)) { 1330 bcn_valid_addr = REG_DWBCN0_CTRL; 1331 bcn_valid_mask = BIT_BCN_VALID; 1332 } else { 1333 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1334 bcn_valid_mask = BIT_BCN_VALID_V1; 1335 } 1336 1337 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1338 rtw_err(rtwdev, "error beacon valid\n"); 1339 ret = -EBUSY; 1340 } 1341 1342 restore: 1343 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1344 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1345 rsvd_pg_head | BIT_BCN_VALID_V1); 1346 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1347 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1348 1349 return ret; 1350 } 1351 1352 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1353 { 1354 u32 pg_size; 1355 u32 pg_num = 0; 1356 u16 pg_addr = 0; 1357 1358 pg_size = rtwdev->chip->page_size; 1359 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1360 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1361 return -ENOMEM; 1362 1363 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1364 1365 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1366 } 1367 1368 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1369 { 1370 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1371 1372 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1373 build_list) { 1374 list_del_init(&rsvd_pkt->build_list); 1375 1376 /* Don't free except for the dummy rsvd page, 1377 * others will be freed when removing vif 1378 */ 1379 if (rsvd_pkt->type == RSVD_DUMMY) 1380 kfree(rsvd_pkt); 1381 } 1382 } 1383 1384 static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1385 struct ieee80211_vif *vif) 1386 { 1387 struct rtw_dev *rtwdev = data; 1388 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1389 struct rtw_rsvd_page *rsvd_pkt; 1390 1391 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1392 if (rsvd_pkt->type == RSVD_BEACON) 1393 list_add(&rsvd_pkt->build_list, 1394 &rtwdev->rsvd_page_list); 1395 else 1396 list_add_tail(&rsvd_pkt->build_list, 1397 &rtwdev->rsvd_page_list); 1398 } 1399 } 1400 1401 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1402 { 1403 struct rtw_rsvd_page *rsvd_pkt; 1404 1405 __rtw_build_rsvd_page_reset(rtwdev); 1406 1407 /* gather rsvd page from vifs */ 1408 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1409 1410 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1411 struct rtw_rsvd_page, build_list); 1412 if (!rsvd_pkt) { 1413 WARN(1, "Should not have an empty reserved page\n"); 1414 return -EINVAL; 1415 } 1416 1417 /* the first rsvd should be beacon, otherwise add a dummy one */ 1418 if (rsvd_pkt->type != RSVD_BEACON) { 1419 struct rtw_rsvd_page *dummy_pkt; 1420 1421 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1422 if (!dummy_pkt) { 1423 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1424 return -ENOMEM; 1425 } 1426 1427 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1428 } 1429 1430 return 0; 1431 } 1432 1433 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1434 { 1435 struct ieee80211_hw *hw = rtwdev->hw; 1436 struct rtw_chip_info *chip = rtwdev->chip; 1437 struct sk_buff *iter; 1438 struct rtw_rsvd_page *rsvd_pkt; 1439 u32 page = 0; 1440 u8 total_page = 0; 1441 u8 page_size, page_margin, tx_desc_sz; 1442 u8 *buf; 1443 int ret; 1444 1445 page_size = chip->page_size; 1446 tx_desc_sz = chip->tx_pkt_desc_sz; 1447 page_margin = page_size - tx_desc_sz; 1448 1449 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1450 if (ret) { 1451 rtw_err(rtwdev, 1452 "failed to build rsvd page from vifs, ret %d\n", ret); 1453 return NULL; 1454 } 1455 1456 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1457 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1458 if (!iter) { 1459 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1460 goto release_skb; 1461 } 1462 1463 /* Fill the tx_desc for the rsvd pkt that requires one. 1464 * And iter->len will be added with size of tx_desc_sz. 1465 */ 1466 if (rsvd_pkt->add_txdesc) 1467 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1468 1469 rsvd_pkt->skb = iter; 1470 rsvd_pkt->page = total_page; 1471 1472 /* Reserved page is downloaded via TX path, and TX path will 1473 * generate a tx_desc at the header to describe length of 1474 * the buffer. If we are not counting page numbers with the 1475 * size of tx_desc added at the first rsvd_pkt (usually a 1476 * beacon, firmware default refer to the first page as the 1477 * content of beacon), we could generate a buffer which size 1478 * is smaller than the actual size of the whole rsvd_page 1479 */ 1480 if (total_page == 0) { 1481 if (rsvd_pkt->type != RSVD_BEACON && 1482 rsvd_pkt->type != RSVD_DUMMY) { 1483 rtw_err(rtwdev, "first page should be a beacon\n"); 1484 goto release_skb; 1485 } 1486 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1487 page_size); 1488 } else { 1489 total_page += rtw_len_to_page(iter->len, page_size); 1490 } 1491 } 1492 1493 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1494 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1495 goto release_skb; 1496 } 1497 1498 *size = (total_page - 1) * page_size + page_margin; 1499 buf = kzalloc(*size, GFP_KERNEL); 1500 if (!buf) 1501 goto release_skb; 1502 1503 /* Copy the content of each rsvd_pkt to the buf, and they should 1504 * be aligned to the pages. 1505 * 1506 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1507 * And that rsvd_pkt does not require tx_desc because when it goes 1508 * through TX path, the TX path will generate one for it. 1509 */ 1510 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1511 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1512 page, buf, rsvd_pkt); 1513 if (page == 0) 1514 page += rtw_len_to_page(rsvd_pkt->skb->len + 1515 tx_desc_sz, page_size); 1516 else 1517 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1518 1519 kfree_skb(rsvd_pkt->skb); 1520 rsvd_pkt->skb = NULL; 1521 } 1522 1523 return buf; 1524 1525 release_skb: 1526 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1527 kfree_skb(rsvd_pkt->skb); 1528 rsvd_pkt->skb = NULL; 1529 } 1530 1531 return NULL; 1532 } 1533 1534 static int rtw_download_beacon(struct rtw_dev *rtwdev) 1535 { 1536 struct ieee80211_hw *hw = rtwdev->hw; 1537 struct rtw_rsvd_page *rsvd_pkt; 1538 struct sk_buff *skb; 1539 int ret = 0; 1540 1541 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1542 struct rtw_rsvd_page, build_list); 1543 if (!rsvd_pkt) { 1544 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1545 return -ENOENT; 1546 } 1547 1548 if (rsvd_pkt->type != RSVD_BEACON && 1549 rsvd_pkt->type != RSVD_DUMMY) { 1550 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1551 rsvd_pkt->type); 1552 return -EINVAL; 1553 } 1554 1555 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1556 if (!skb) { 1557 rtw_err(rtwdev, "failed to get beacon skb\n"); 1558 return -ENOMEM; 1559 } 1560 1561 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1562 if (ret) 1563 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1564 1565 dev_kfree_skb(skb); 1566 1567 return ret; 1568 } 1569 1570 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1571 { 1572 u8 *buf; 1573 u32 size; 1574 int ret; 1575 1576 buf = rtw_build_rsvd_page(rtwdev, &size); 1577 if (!buf) { 1578 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1579 return -ENOMEM; 1580 } 1581 1582 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1583 if (ret) { 1584 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1585 goto free; 1586 } 1587 1588 /* The last thing is to download the *ONLY* beacon again, because 1589 * the previous tx_desc is to describe the total rsvd page. Download 1590 * the beacon again to replace the TX desc header, and we will get 1591 * a correct tx_desc for the beacon in the rsvd page. 1592 */ 1593 ret = rtw_download_beacon(rtwdev); 1594 if (ret) { 1595 rtw_err(rtwdev, "failed to download beacon\n"); 1596 goto free; 1597 } 1598 1599 free: 1600 kfree(buf); 1601 1602 return ret; 1603 } 1604 1605 void rtw_fw_update_beacon_work(struct work_struct *work) 1606 { 1607 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, 1608 update_beacon_work); 1609 1610 mutex_lock(&rtwdev->mutex); 1611 rtw_fw_download_rsvd_page(rtwdev); 1612 mutex_unlock(&rtwdev->mutex); 1613 } 1614 1615 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1616 u32 *buf, u32 residue, u16 start_pg) 1617 { 1618 u32 i; 1619 u16 idx = 0; 1620 u16 ctl; 1621 1622 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1623 /* disable rx clock gate */ 1624 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 1625 1626 do { 1627 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); 1628 1629 for (i = FIFO_DUMP_ADDR + residue; 1630 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { 1631 buf[idx++] = rtw_read32(rtwdev, i); 1632 size -= 4; 1633 if (size == 0) 1634 goto out; 1635 } 1636 1637 residue = 0; 1638 start_pg++; 1639 } while (size); 1640 1641 out: 1642 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1643 /* restore rx clock gate */ 1644 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1645 } 1646 1647 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1648 u32 offset, u32 size, u32 *buf) 1649 { 1650 struct rtw_chip_info *chip = rtwdev->chip; 1651 u32 start_pg, residue; 1652 1653 if (sel >= RTW_FW_FIFO_MAX) { 1654 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1655 return; 1656 } 1657 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1658 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1659 residue = offset & (FIFO_PAGE_SIZE - 1); 1660 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1661 1662 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1663 } 1664 1665 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1666 enum rtw_fw_fifo_sel sel, 1667 u32 start_addr, u32 size) 1668 { 1669 switch (sel) { 1670 case RTW_FW_FIFO_SEL_TX: 1671 case RTW_FW_FIFO_SEL_RX: 1672 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1673 return false; 1674 fallthrough; 1675 default: 1676 return true; 1677 } 1678 } 1679 1680 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1681 u32 *buffer) 1682 { 1683 if (!rtwdev->chip->fw_fifo_addr[0]) { 1684 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1685 return -ENOTSUPP; 1686 } 1687 1688 if (size == 0 || !buffer) 1689 return -EINVAL; 1690 1691 if (size & 0x3) { 1692 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1693 return -EINVAL; 1694 } 1695 1696 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1697 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1698 return -EINVAL; 1699 } 1700 1701 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1702 1703 return 0; 1704 } 1705 1706 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1707 u8 location) 1708 { 1709 struct rtw_chip_info *chip = rtwdev->chip; 1710 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1711 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1712 1713 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1714 1715 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1716 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1717 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1718 1719 /* include txdesc size */ 1720 size += chip->tx_pkt_desc_sz; 1721 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1722 1723 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1724 } 1725 1726 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1727 struct cfg80211_ssid *ssid) 1728 { 1729 u8 loc; 1730 u16 size; 1731 1732 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1733 if (!loc) { 1734 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1735 return; 1736 } 1737 1738 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1739 if (!size) { 1740 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1741 return; 1742 } 1743 1744 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1745 } 1746 1747 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1748 { 1749 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1750 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1751 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1752 u8 loc_ch_info; 1753 const struct rtw_ch_switch_option cs_option = { 1754 .dest_ch_en = 1, 1755 .dest_ch = 1, 1756 .periodic_option = 2, 1757 .normal_period = 5, 1758 .normal_period_sel = 0, 1759 .normal_cycle = 10, 1760 .slow_period = 1, 1761 .slow_period_sel = 1, 1762 }; 1763 1764 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1765 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1766 1767 CH_SWITCH_SET_START(h2c_pkt, enable); 1768 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1769 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1770 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1771 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1772 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1773 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1774 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1775 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1776 1777 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1778 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1779 1780 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1781 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1782 1783 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1784 } 1785 1786 void rtw_fw_adaptivity(struct rtw_dev *rtwdev) 1787 { 1788 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1789 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1790 1791 if (!rtw_edcca_enabled) { 1792 dm_info->edcca_mode = RTW_EDCCA_NORMAL; 1793 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 1794 "EDCCA disabled by debugfs\n"); 1795 } 1796 1797 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); 1798 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); 1799 SET_ADAPTIVITY_OPTION(h2c_pkt, 1); 1800 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); 1801 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); 1802 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); 1803 1804 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1805 } 1806 1807 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 1808 { 1809 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1810 1811 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN); 1812 SET_SCAN_START(h2c_pkt, start); 1813 1814 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1815 } 1816 1817 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb, 1818 struct sk_buff_head *list, u8 *bands, 1819 struct rtw_vif *rtwvif) 1820 { 1821 struct ieee80211_scan_ies *ies = rtwvif->scan_ies; 1822 struct rtw_chip_info *chip = rtwdev->chip; 1823 struct sk_buff *new; 1824 u8 idx; 1825 1826 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) { 1827 if (!(BIT(idx) & chip->band)) 1828 continue; 1829 new = skb_copy(skb, GFP_KERNEL); 1830 if (!new) 1831 return -ENOMEM; 1832 skb_put_data(new, ies->ies[idx], ies->len[idx]); 1833 skb_put_data(new, ies->common_ies, ies->common_ie_len); 1834 skb_queue_tail(list, new); 1835 (*bands)++; 1836 } 1837 1838 return 0; 1839 } 1840 1841 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes, 1842 struct sk_buff_head *probe_req_list) 1843 { 1844 struct rtw_chip_info *chip = rtwdev->chip; 1845 struct sk_buff *skb, *tmp; 1846 u8 page_offset = 1, *buf, page_size = chip->page_size; 1847 u8 pages = page_offset + num_probes * RTW_PROBE_PG_CNT; 1848 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc; 1849 u16 buf_offset = page_size * page_offset; 1850 u8 tx_desc_sz = chip->tx_pkt_desc_sz; 1851 unsigned int pkt_len; 1852 int ret; 1853 1854 buf = kzalloc(page_size * pages, GFP_KERNEL); 1855 if (!buf) 1856 return -ENOMEM; 1857 1858 buf_offset -= tx_desc_sz; 1859 skb_queue_walk_safe(probe_req_list, skb, tmp) { 1860 skb_unlink(skb, probe_req_list); 1861 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ); 1862 if (skb->len > page_size * RTW_PROBE_PG_CNT) { 1863 ret = -EINVAL; 1864 goto out; 1865 } 1866 1867 memcpy(buf + buf_offset, skb->data, skb->len); 1868 pkt_len = skb->len - tx_desc_sz; 1869 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset; 1870 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc); 1871 1872 buf_offset += RTW_PROBE_PG_CNT * page_size; 1873 page_offset += RTW_PROBE_PG_CNT; 1874 kfree_skb(skb); 1875 } 1876 1877 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset); 1878 if (ret) { 1879 rtw_err(rtwdev, "Download probe request to firmware failed\n"); 1880 goto out; 1881 } 1882 1883 rtwdev->scan_info.probe_pg_size = page_offset; 1884 out: 1885 kfree(buf); 1886 skb_queue_walk_safe(probe_req_list, skb, tmp) 1887 kfree_skb(skb); 1888 1889 return ret; 1890 } 1891 1892 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, 1893 struct rtw_vif *rtwvif) 1894 { 1895 struct cfg80211_scan_request *req = rtwvif->scan_req; 1896 struct sk_buff_head list; 1897 struct sk_buff *skb, *tmp; 1898 u8 num = req->n_ssids, i, bands = 0; 1899 int ret; 1900 1901 skb_queue_head_init(&list); 1902 for (i = 0; i < num; i++) { 1903 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr, 1904 req->ssids[i].ssid, 1905 req->ssids[i].ssid_len, 1906 req->ie_len); 1907 if (!skb) { 1908 ret = -ENOMEM; 1909 goto out; 1910 } 1911 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands, 1912 rtwvif); 1913 if (ret) 1914 goto out; 1915 1916 kfree_skb(skb); 1917 } 1918 1919 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list); 1920 1921 out: 1922 skb_queue_walk_safe(&list, skb, tmp) 1923 kfree_skb(skb); 1924 1925 return ret; 1926 } 1927 1928 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info, 1929 struct rtw_chan_list *list, u8 *buf) 1930 { 1931 u8 *chan = &buf[list->size]; 1932 u8 info_size = RTW_CH_INFO_SIZE; 1933 1934 if (list->size > list->buf_size) 1935 return -ENOMEM; 1936 1937 CH_INFO_SET_CH(chan, info->channel); 1938 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx); 1939 CH_INFO_SET_BW(chan, info->bw); 1940 CH_INFO_SET_TIMEOUT(chan, info->timeout); 1941 CH_INFO_SET_ACTION_ID(chan, info->action_id); 1942 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info); 1943 if (info->extra_info) { 1944 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS); 1945 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN); 1946 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE - 1947 RTW_EX_CH_INFO_HDR_SIZE); 1948 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME); 1949 info_size += RTW_EX_CH_INFO_SIZE; 1950 } 1951 list->size += info_size; 1952 list->ch_num++; 1953 1954 return 0; 1955 } 1956 1957 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 1958 struct rtw_chan_list *list, u8 *buf) 1959 { 1960 struct cfg80211_scan_request *req = rtwvif->scan_req; 1961 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 1962 struct ieee80211_channel *channel; 1963 int i, ret = 0; 1964 1965 for (i = 0; i < req->n_channels; i++) { 1966 struct rtw_chan_info ch_info = {0}; 1967 1968 channel = req->channels[i]; 1969 ch_info.channel = channel->hw_value; 1970 ch_info.bw = RTW_SCAN_WIDTH; 1971 ch_info.pri_ch_idx = RTW_PRI_CH_IDX; 1972 ch_info.timeout = req->duration_mandatory ? 1973 req->duration : RTW_CHANNEL_TIME; 1974 1975 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) { 1976 ch_info.action_id = RTW_CHANNEL_RADAR; 1977 ch_info.extra_info = 1; 1978 /* Overwrite duration for passive scans if necessary */ 1979 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ? 1980 ch_info.timeout : RTW_PASS_CHAN_TIME; 1981 } else { 1982 ch_info.action_id = RTW_CHANNEL_ACTIVE; 1983 } 1984 1985 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf); 1986 if (ret) 1987 return ret; 1988 } 1989 1990 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) { 1991 rtw_err(rtwdev, "List exceeds rsvd page total size\n"); 1992 return -EINVAL; 1993 } 1994 1995 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size; 1996 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size); 1997 if (ret) 1998 rtw_err(rtwdev, "Download channel list failed\n"); 1999 2000 return ret; 2001 } 2002 2003 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev, 2004 struct rtw_ch_switch_option *opt, 2005 struct rtw_vif *rtwvif, 2006 struct rtw_chan_list *list) 2007 { 2008 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2009 struct cfg80211_scan_request *req = rtwvif->scan_req; 2010 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2011 /* reserve one dummy page at the beginning for tx descriptor */ 2012 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1; 2013 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN; 2014 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 2015 2016 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD); 2017 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN); 2018 2019 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en); 2020 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en); 2021 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq); 2022 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck); 2023 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num); 2024 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size); 2025 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary); 2026 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan); 2027 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx); 2028 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw); 2029 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port); 2030 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ? 2031 req->duration : RTW_CHANNEL_TIME); 2032 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME); 2033 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids); 2034 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc); 2035 2036 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 2037 } 2038 2039 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2040 struct ieee80211_scan_request *scan_req) 2041 { 2042 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 2043 struct cfg80211_scan_request *req = &scan_req->req; 2044 u8 mac_addr[ETH_ALEN]; 2045 2046 rtwdev->scan_info.scanning_vif = vif; 2047 rtwvif->scan_ies = &scan_req->ies; 2048 rtwvif->scan_req = req; 2049 2050 ieee80211_stop_queues(rtwdev->hw); 2051 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) 2052 get_random_mask_addr(mac_addr, req->mac_addr, 2053 req->mac_addr_mask); 2054 else 2055 ether_addr_copy(mac_addr, vif->addr); 2056 2057 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true); 2058 2059 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN; 2060 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2061 } 2062 2063 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2064 bool aborted) 2065 { 2066 struct cfg80211_scan_info info = { 2067 .aborted = aborted, 2068 }; 2069 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2070 struct rtw_hal *hal = &rtwdev->hal; 2071 struct rtw_vif *rtwvif; 2072 u8 chan = scan_info->op_chan; 2073 2074 if (!vif) 2075 return; 2076 2077 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 2078 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2079 2080 rtw_core_scan_complete(rtwdev, vif, true); 2081 2082 rtwvif = (struct rtw_vif *)vif->drv_priv; 2083 if (rtwvif->net_type == RTW_NET_MGD_LINKED) { 2084 hal->current_channel = chan; 2085 hal->current_band_type = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2086 } 2087 ieee80211_wake_queues(rtwdev->hw); 2088 ieee80211_scan_completed(rtwdev->hw, &info); 2089 2090 rtwvif->scan_req = NULL; 2091 rtwvif->scan_ies = NULL; 2092 rtwdev->scan_info.scanning_vif = NULL; 2093 } 2094 2095 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2096 struct rtw_chan_list *list) 2097 { 2098 struct cfg80211_scan_request *req = rtwvif->scan_req; 2099 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE); 2100 u8 *buf; 2101 int ret; 2102 2103 buf = kmalloc(size, GFP_KERNEL); 2104 if (!buf) 2105 return -ENOMEM; 2106 2107 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif); 2108 if (ret) { 2109 rtw_err(rtwdev, "Update probe request failed\n"); 2110 goto out; 2111 } 2112 2113 list->buf_size = size; 2114 list->size = 0; 2115 list->ch_num = 0; 2116 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf); 2117 out: 2118 kfree(buf); 2119 2120 return ret; 2121 } 2122 2123 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2124 bool enable) 2125 { 2126 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL; 2127 struct rtw_ch_switch_option cs_option = {0}; 2128 struct rtw_chan_list chan_list = {0}; 2129 int ret = 0; 2130 2131 if (!rtwvif) 2132 return -EINVAL; 2133 2134 cs_option.switch_en = enable; 2135 cs_option.back_op_en = rtwvif->net_type == RTW_NET_MGD_LINKED; 2136 if (enable) { 2137 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list); 2138 if (ret) 2139 goto out; 2140 } 2141 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list); 2142 out: 2143 return ret; 2144 } 2145 2146 void rtw_hw_scan_abort(struct rtw_dev *rtwdev, struct ieee80211_vif *vif) 2147 { 2148 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 2149 return; 2150 2151 rtw_hw_scan_offload(rtwdev, vif, false); 2152 rtw_hw_scan_complete(rtwdev, vif, true); 2153 } 2154 2155 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb) 2156 { 2157 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2158 struct rtw_c2h_cmd *c2h; 2159 bool aborted; 2160 u8 rc; 2161 2162 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2163 return; 2164 2165 c2h = get_c2h_from_skb(skb); 2166 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload); 2167 aborted = rc != RTW_SCAN_REPORT_SUCCESS; 2168 rtw_hw_scan_complete(rtwdev, vif, aborted); 2169 2170 if (aborted) 2171 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc); 2172 } 2173 2174 void rtw_store_op_chan(struct rtw_dev *rtwdev) 2175 { 2176 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2177 struct rtw_hal *hal = &rtwdev->hal; 2178 2179 scan_info->op_chan = hal->current_channel; 2180 scan_info->op_bw = hal->current_band_width; 2181 scan_info->op_pri_ch_idx = hal->current_primary_channel_index; 2182 } 2183 2184 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel) 2185 { 2186 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2187 2188 return channel == scan_info->op_chan; 2189 } 2190 2191 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb) 2192 { 2193 struct rtw_hal *hal = &rtwdev->hal; 2194 struct rtw_c2h_cmd *c2h; 2195 enum rtw_scan_notify_id id; 2196 u8 chan, status; 2197 2198 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2199 return; 2200 2201 c2h = get_c2h_from_skb(skb); 2202 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload); 2203 id = GET_CHAN_SWITCH_ID(c2h->payload); 2204 status = GET_CHAN_SWITCH_STATUS(c2h->payload); 2205 2206 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) { 2207 if (rtw_is_op_chan(rtwdev, chan)) 2208 ieee80211_wake_queues(rtwdev->hw); 2209 hal->current_channel = chan; 2210 hal->current_band_type = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2211 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) { 2212 if (IS_CH_5G_BAND(chan)) { 2213 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); 2214 } else if (IS_CH_2G_BAND(chan)) { 2215 u8 chan_type; 2216 2217 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2218 chan_type = COEX_SWITCH_TO_24G; 2219 else 2220 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN; 2221 rtw_coex_switchband_notify(rtwdev, chan_type); 2222 } 2223 if (rtw_is_op_chan(rtwdev, chan)) 2224 ieee80211_stop_queues(rtwdev->hw); 2225 } 2226 2227 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, 2228 "Chan switch: %x, id: %x, status: %x\n", chan, id, status); 2229 } 2230