1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* Copyright(c) 2018-2019 Realtek Corporation 3 */ 4 5 #include <linux/iopoll.h> 6 7 #include "main.h" 8 #include "coex.h" 9 #include "fw.h" 10 #include "tx.h" 11 #include "reg.h" 12 #include "sec.h" 13 #include "debug.h" 14 #include "util.h" 15 #include "wow.h" 16 #include "ps.h" 17 #include "phy.h" 18 #include "mac.h" 19 20 static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev, 21 struct sk_buff *skb) 22 { 23 struct rtw_c2h_cmd *c2h; 24 u8 sub_cmd_id; 25 26 c2h = get_c2h_from_skb(skb); 27 sub_cmd_id = c2h->payload[0]; 28 29 switch (sub_cmd_id) { 30 case C2H_CCX_RPT: 31 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_RPT); 32 break; 33 case C2H_SCAN_STATUS_RPT: 34 rtw_hw_scan_status_report(rtwdev, skb); 35 break; 36 case C2H_CHAN_SWITCH: 37 rtw_hw_scan_chan_switch(rtwdev, skb); 38 break; 39 default: 40 break; 41 } 42 } 43 44 static u16 get_max_amsdu_len(u32 bit_rate) 45 { 46 /* lower than ofdm, do not aggregate */ 47 if (bit_rate < 550) 48 return 1; 49 50 /* lower than 20M 2ss mcs8, make it small */ 51 if (bit_rate < 1800) 52 return 1200; 53 54 /* lower than 40M 2ss mcs9, make it medium */ 55 if (bit_rate < 4000) 56 return 2600; 57 58 /* not yet 80M 2ss mcs8/9, make it twice regular packet size */ 59 if (bit_rate < 7000) 60 return 3500; 61 62 /* unlimited */ 63 return 0; 64 } 65 66 struct rtw_fw_iter_ra_data { 67 struct rtw_dev *rtwdev; 68 u8 *payload; 69 }; 70 71 static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta) 72 { 73 struct rtw_fw_iter_ra_data *ra_data = data; 74 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 75 u8 mac_id, rate, sgi, bw; 76 u8 mcs, nss; 77 u32 bit_rate; 78 79 mac_id = GET_RA_REPORT_MACID(ra_data->payload); 80 if (si->mac_id != mac_id) 81 return; 82 83 si->ra_report.txrate.flags = 0; 84 85 rate = GET_RA_REPORT_RATE(ra_data->payload); 86 sgi = GET_RA_REPORT_SGI(ra_data->payload); 87 bw = GET_RA_REPORT_BW(ra_data->payload); 88 89 if (rate < DESC_RATEMCS0) { 90 si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate); 91 goto legacy; 92 } 93 94 rtw_desc_to_mcsrate(rate, &mcs, &nss); 95 if (rate >= DESC_RATEVHT1SS_MCS0) 96 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS; 97 else if (rate >= DESC_RATEMCS0) 98 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS; 99 100 if (rate >= DESC_RATEMCS0) { 101 si->ra_report.txrate.mcs = mcs; 102 si->ra_report.txrate.nss = nss; 103 } 104 105 if (sgi) 106 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 107 108 if (bw == RTW_CHANNEL_WIDTH_80) 109 si->ra_report.txrate.bw = RATE_INFO_BW_80; 110 else if (bw == RTW_CHANNEL_WIDTH_40) 111 si->ra_report.txrate.bw = RATE_INFO_BW_40; 112 else 113 si->ra_report.txrate.bw = RATE_INFO_BW_20; 114 115 legacy: 116 bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate); 117 118 si->ra_report.desc_rate = rate; 119 si->ra_report.bit_rate = bit_rate; 120 121 sta->deflink.agg.max_rc_amsdu_len = get_max_amsdu_len(bit_rate); 122 } 123 124 static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload, 125 u8 length) 126 { 127 struct rtw_fw_iter_ra_data ra_data; 128 129 if (WARN(length < 7, "invalid ra report c2h length\n")) 130 return; 131 132 rtwdev->dm_info.tx_rate = GET_RA_REPORT_RATE(payload); 133 ra_data.rtwdev = rtwdev; 134 ra_data.payload = payload; 135 rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data); 136 } 137 138 struct rtw_beacon_filter_iter_data { 139 struct rtw_dev *rtwdev; 140 u8 *payload; 141 }; 142 143 static void rtw_fw_bcn_filter_notify_vif_iter(void *data, u8 *mac, 144 struct ieee80211_vif *vif) 145 { 146 struct rtw_beacon_filter_iter_data *iter_data = data; 147 struct rtw_dev *rtwdev = iter_data->rtwdev; 148 u8 *payload = iter_data->payload; 149 u8 type = GET_BCN_FILTER_NOTIFY_TYPE(payload); 150 u8 event = GET_BCN_FILTER_NOTIFY_EVENT(payload); 151 s8 sig = (s8)GET_BCN_FILTER_NOTIFY_RSSI(payload); 152 153 switch (type) { 154 case BCN_FILTER_NOTIFY_SIGNAL_CHANGE: 155 event = event ? NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH : 156 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; 157 ieee80211_cqm_rssi_notify(vif, event, sig, GFP_KERNEL); 158 break; 159 case BCN_FILTER_CONNECTION_LOSS: 160 ieee80211_connection_loss(vif); 161 break; 162 case BCN_FILTER_CONNECTED: 163 rtwdev->beacon_loss = false; 164 break; 165 case BCN_FILTER_NOTIFY_BEACON_LOSS: 166 rtwdev->beacon_loss = true; 167 rtw_leave_lps(rtwdev); 168 break; 169 } 170 } 171 172 static void rtw_fw_bcn_filter_notify(struct rtw_dev *rtwdev, u8 *payload, 173 u8 length) 174 { 175 struct rtw_beacon_filter_iter_data dev_iter_data; 176 177 dev_iter_data.rtwdev = rtwdev; 178 dev_iter_data.payload = payload; 179 rtw_iterate_vifs(rtwdev, rtw_fw_bcn_filter_notify_vif_iter, 180 &dev_iter_data); 181 } 182 183 static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload, 184 u8 length) 185 { 186 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 187 188 dm_info->scan_density = payload[0]; 189 190 rtw_dbg(rtwdev, RTW_DBG_FW, "scan.density = %x\n", 191 dm_info->scan_density); 192 } 193 194 static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload, 195 u8 length) 196 { 197 struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th; 198 struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload; 199 200 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 201 "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n", 202 result->density, result->igi, result->l2h_th_init, result->l2h, 203 result->h2l, result->option); 204 205 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n", 206 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr, 207 edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask), 208 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr, 209 edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask)); 210 211 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n", 212 rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ? 213 "Set" : "Unset"); 214 } 215 216 void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb) 217 { 218 struct rtw_c2h_cmd *c2h; 219 u32 pkt_offset; 220 u8 len; 221 222 pkt_offset = *((u32 *)skb->cb); 223 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 224 len = skb->len - pkt_offset - 2; 225 226 mutex_lock(&rtwdev->mutex); 227 228 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 229 goto unlock; 230 231 switch (c2h->id) { 232 case C2H_CCX_TX_RPT: 233 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT); 234 break; 235 case C2H_BT_INFO: 236 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len); 237 break; 238 case C2H_BT_HID_INFO: 239 rtw_coex_bt_hid_info_notify(rtwdev, c2h->payload, len); 240 break; 241 case C2H_WLAN_INFO: 242 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len); 243 break; 244 case C2H_BCN_FILTER_NOTIFY: 245 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len); 246 break; 247 case C2H_HALMAC: 248 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb); 249 break; 250 case C2H_RA_RPT: 251 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len); 252 break; 253 default: 254 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id); 255 break; 256 } 257 258 unlock: 259 mutex_unlock(&rtwdev->mutex); 260 } 261 262 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, 263 struct sk_buff *skb) 264 { 265 struct rtw_c2h_cmd *c2h; 266 u8 len; 267 268 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 269 len = skb->len - pkt_offset - 2; 270 *((u32 *)skb->cb) = pkt_offset; 271 272 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", 273 c2h->id, c2h->seq, len); 274 275 switch (c2h->id) { 276 case C2H_BT_MP_INFO: 277 rtw_coex_info_response(rtwdev, skb); 278 break; 279 case C2H_WLAN_RFON: 280 complete(&rtwdev->lps_leave_check); 281 dev_kfree_skb_any(skb); 282 break; 283 case C2H_SCAN_RESULT: 284 complete(&rtwdev->fw_scan_density); 285 rtw_fw_scan_result(rtwdev, c2h->payload, len); 286 dev_kfree_skb_any(skb); 287 break; 288 case C2H_ADAPTIVITY: 289 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len); 290 dev_kfree_skb_any(skb); 291 break; 292 default: 293 /* pass offset for further operation */ 294 *((u32 *)skb->cb) = pkt_offset; 295 skb_queue_tail(&rtwdev->c2h_queue, skb); 296 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); 297 break; 298 } 299 } 300 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); 301 302 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev) 303 { 304 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER) 305 rtw_fw_recovery(rtwdev); 306 else 307 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n"); 308 } 309 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); 310 311 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, 312 u8 *h2c) 313 { 314 u8 box; 315 u8 box_state; 316 u32 box_reg, box_ex_reg; 317 int idx; 318 int ret; 319 320 rtw_dbg(rtwdev, RTW_DBG_FW, 321 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n", 322 h2c[3], h2c[2], h2c[1], h2c[0], 323 h2c[7], h2c[6], h2c[5], h2c[4]); 324 325 spin_lock(&rtwdev->h2c.lock); 326 327 box = rtwdev->h2c.last_box_num; 328 switch (box) { 329 case 0: 330 box_reg = REG_HMEBOX0; 331 box_ex_reg = REG_HMEBOX0_EX; 332 break; 333 case 1: 334 box_reg = REG_HMEBOX1; 335 box_ex_reg = REG_HMEBOX1_EX; 336 break; 337 case 2: 338 box_reg = REG_HMEBOX2; 339 box_ex_reg = REG_HMEBOX2_EX; 340 break; 341 case 3: 342 box_reg = REG_HMEBOX3; 343 box_ex_reg = REG_HMEBOX3_EX; 344 break; 345 default: 346 WARN(1, "invalid h2c mail box number\n"); 347 goto out; 348 } 349 350 ret = read_poll_timeout_atomic(rtw_read8, box_state, 351 !((box_state >> box) & 0x1), 100, 3000, 352 false, rtwdev, REG_HMETFR); 353 354 if (ret) { 355 rtw_err(rtwdev, "failed to send h2c command\n"); 356 goto out; 357 } 358 359 for (idx = 0; idx < 4; idx++) 360 rtw_write8(rtwdev, box_reg + idx, h2c[idx]); 361 for (idx = 0; idx < 4; idx++) 362 rtw_write8(rtwdev, box_ex_reg + idx, h2c[idx + 4]); 363 364 if (++rtwdev->h2c.last_box_num >= 4) 365 rtwdev->h2c.last_box_num = 0; 366 367 out: 368 spin_unlock(&rtwdev->h2c.lock); 369 } 370 371 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) 372 { 373 rtw_fw_send_h2c_command(rtwdev, h2c); 374 } 375 376 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) 377 { 378 int ret; 379 380 spin_lock(&rtwdev->h2c.lock); 381 382 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq); 383 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE); 384 if (ret) 385 rtw_err(rtwdev, "failed to send h2c packet\n"); 386 rtwdev->h2c.seq++; 387 388 spin_unlock(&rtwdev->h2c.lock); 389 } 390 391 void 392 rtw_fw_send_general_info(struct rtw_dev *rtwdev) 393 { 394 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 395 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 396 u16 total_size = H2C_PKT_HDR_SIZE + 4; 397 398 if (rtw_chip_wcpu_11n(rtwdev)) 399 return; 400 401 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO); 402 403 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 404 405 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt, 406 fifo->rsvd_fw_txbuf_addr - 407 fifo->rsvd_boundary); 408 409 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 410 } 411 412 void 413 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev) 414 { 415 struct rtw_hal *hal = &rtwdev->hal; 416 struct rtw_efuse *efuse = &rtwdev->efuse; 417 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 418 u16 total_size = H2C_PKT_HDR_SIZE + 8; 419 u8 fw_rf_type = 0; 420 421 if (rtw_chip_wcpu_11n(rtwdev)) 422 return; 423 424 if (hal->rf_type == RF_1T1R) 425 fw_rf_type = FW_RF_1T1R; 426 else if (hal->rf_type == RF_2T2R) 427 fw_rf_type = FW_RF_2T2R; 428 429 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO); 430 431 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 432 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option); 433 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type); 434 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version); 435 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx); 436 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx); 437 438 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 439 } 440 441 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para) 442 { 443 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 444 u16 total_size = H2C_PKT_HDR_SIZE + 1; 445 446 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK); 447 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 448 IQK_SET_CLEAR(h2c_pkt, para->clear); 449 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk); 450 451 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 452 } 453 EXPORT_SYMBOL(rtw_fw_do_iqk); 454 455 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start) 456 { 457 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 458 459 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION); 460 461 RFK_SET_INFORM_START(h2c_pkt, start); 462 463 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 464 } 465 EXPORT_SYMBOL(rtw_fw_inform_rfk_status); 466 467 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev) 468 { 469 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 470 471 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO); 472 473 SET_QUERY_BT_INFO(h2c_pkt, true); 474 475 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 476 } 477 478 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw) 479 { 480 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 481 482 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO); 483 484 SET_WL_CH_INFO_LINK(h2c_pkt, link); 485 SET_WL_CH_INFO_CHNL(h2c_pkt, ch); 486 SET_WL_CH_INFO_BW(h2c_pkt, bw); 487 488 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 489 } 490 491 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev, 492 struct rtw_coex_info_req *req) 493 { 494 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 495 496 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO); 497 498 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq); 499 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code); 500 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1); 501 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2); 502 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3); 503 504 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 505 } 506 507 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl) 508 { 509 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 510 u8 index = 0 - bt_pwr_dec_lvl; 511 512 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER); 513 514 SET_BT_TX_POWER_INDEX(h2c_pkt, index); 515 516 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 517 } 518 519 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable) 520 { 521 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 522 523 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION); 524 525 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable); 526 527 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 528 } 529 530 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev, 531 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5) 532 { 533 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 534 535 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE); 536 537 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1); 538 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2); 539 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3); 540 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4); 541 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5); 542 543 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 544 } 545 546 void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data) 547 { 548 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 549 550 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO); 551 552 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id); 553 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data); 554 555 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 556 } 557 558 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) 559 { 560 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 561 562 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL); 563 564 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code); 565 566 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); 567 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); 568 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2)); 569 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3)); 570 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); 571 572 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 573 } 574 575 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) 576 { 577 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 578 u8 rssi = ewma_rssi_read(&si->avg_rssi); 579 bool stbc_en = si->stbc_en ? true : false; 580 581 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR); 582 583 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id); 584 SET_RSSI_INFO_RSSI(h2c_pkt, rssi); 585 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en); 586 587 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 588 } 589 590 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si, 591 bool reset_ra_mask) 592 { 593 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 594 bool disable_pt = true; 595 596 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO); 597 598 SET_RA_INFO_MACID(h2c_pkt, si->mac_id); 599 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id); 600 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv); 601 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable); 602 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode); 603 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en); 604 SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask); 605 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable); 606 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt); 607 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff)); 608 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8); 609 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16); 610 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24); 611 612 si->init_ra_lv = 0; 613 614 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 615 } 616 617 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) 618 { 619 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 620 621 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT); 622 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect); 623 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id); 624 625 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 626 } 627 628 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev) 629 { 630 struct rtw_traffic_stats *stats = &rtwdev->stats; 631 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 632 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 633 634 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO); 635 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput); 636 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput); 637 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate); 638 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate); 639 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]); 640 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 641 } 642 643 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect, 644 struct ieee80211_vif *vif) 645 { 646 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 647 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid); 648 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100; 649 struct rtw_sta_info *si = 650 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL; 651 s32 threshold = bss_conf->cqm_rssi_thold + rssi_offset; 652 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 653 654 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 655 return; 656 657 if (!connect) { 658 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 659 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 660 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 661 662 return; 663 } 664 665 if (!si) 666 return; 667 668 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0); 669 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid); 670 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 671 672 memset(h2c_pkt, 0, sizeof(h2c_pkt)); 673 threshold = clamp_t(s32, threshold, rssi_min, rssi_max); 674 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 675 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 676 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt, 677 BCN_FILTER_OFFLOAD_MODE_DEFAULT); 678 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, (u8)threshold); 679 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT); 680 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id); 681 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, bss_conf->cqm_rssi_hyst); 682 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int); 683 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 684 } 685 686 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev) 687 { 688 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 689 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 690 691 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE); 692 693 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode); 694 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm); 695 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps); 696 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval); 697 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id); 698 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state); 699 700 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 701 } 702 703 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable) 704 { 705 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 706 struct rtw_fw_wow_keep_alive_para mode = { 707 .adopt = true, 708 .pkt_type = KEEP_ALIVE_NULL_PKT, 709 .period = 5, 710 }; 711 712 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE); 713 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable); 714 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt); 715 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type); 716 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period); 717 718 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 719 } 720 721 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable) 722 { 723 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 724 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 725 struct rtw_fw_wow_disconnect_para mode = { 726 .adopt = true, 727 .period = 30, 728 .retry_count = 5, 729 }; 730 731 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION); 732 733 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) { 734 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable); 735 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt); 736 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period); 737 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count); 738 } 739 740 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 741 } 742 743 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 744 { 745 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 746 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 747 748 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN); 749 750 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable); 751 if (rtw_wow_mgd_linked(rtwdev)) { 752 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) 753 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable); 754 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) 755 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable); 756 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags)) 757 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable); 758 if (rtw_wow->pattern_cnt) 759 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable); 760 } 761 762 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 763 } 764 765 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev, 766 u8 pairwise_key_enc, 767 u8 group_key_enc) 768 { 769 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 770 771 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO); 772 773 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc); 774 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc); 775 776 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 777 } 778 779 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 780 { 781 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 782 783 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL); 784 785 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable); 786 787 if (rtw_wow_no_link(rtwdev)) 788 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable); 789 790 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 791 } 792 793 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev, 794 enum rtw_rsvd_packet_type type) 795 { 796 struct rtw_rsvd_page *rsvd_pkt; 797 u8 location = 0; 798 799 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 800 if (type == rsvd_pkt->type) 801 location = rsvd_pkt->page; 802 } 803 804 return location; 805 } 806 807 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable) 808 { 809 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 810 u8 loc_nlo; 811 812 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO); 813 814 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO); 815 816 SET_NLO_FUN_EN(h2c_pkt, enable); 817 if (enable) { 818 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE) 819 SET_NLO_PS_32K(h2c_pkt, enable); 820 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable); 821 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo); 822 } 823 824 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 825 } 826 827 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) 828 { 829 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 830 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 831 u8 loc_pg, loc_dpk; 832 833 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); 834 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); 835 836 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); 837 838 LPS_PG_INFO_LOC(h2c_pkt, loc_pg); 839 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); 840 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); 841 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); 842 843 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 844 } 845 846 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, 847 struct cfg80211_ssid *ssid) 848 { 849 struct rtw_rsvd_page *rsvd_pkt; 850 u8 location = 0; 851 852 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 853 if (rsvd_pkt->type != RSVD_PROBE_REQ) 854 continue; 855 if ((!ssid && !rsvd_pkt->ssid) || 856 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 857 location = rsvd_pkt->page; 858 } 859 860 return location; 861 } 862 863 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, 864 struct cfg80211_ssid *ssid) 865 { 866 struct rtw_rsvd_page *rsvd_pkt; 867 u16 size = 0; 868 869 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 870 if (rsvd_pkt->type != RSVD_PROBE_REQ) 871 continue; 872 if ((!ssid && !rsvd_pkt->ssid) || 873 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 874 size = rsvd_pkt->probe_req_size; 875 } 876 877 return size; 878 } 879 880 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) 881 { 882 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 883 u8 location = 0; 884 885 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); 886 887 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); 888 *(h2c_pkt + 1) = location; 889 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); 890 891 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); 892 *(h2c_pkt + 2) = location; 893 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); 894 895 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); 896 *(h2c_pkt + 3) = location; 897 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); 898 899 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); 900 *(h2c_pkt + 4) = location; 901 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); 902 903 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 904 } 905 906 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) 907 { 908 struct rtw_dev *rtwdev = hw->priv; 909 const struct rtw_chip_info *chip = rtwdev->chip; 910 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 911 struct rtw_nlo_info_hdr *nlo_hdr; 912 struct cfg80211_ssid *ssid; 913 struct sk_buff *skb; 914 u8 *pos, loc; 915 u32 size; 916 int i; 917 918 if (!pno_req->inited || !pno_req->match_set_cnt) 919 return NULL; 920 921 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * 922 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; 923 924 skb = alloc_skb(size, GFP_KERNEL); 925 if (!skb) 926 return NULL; 927 928 skb_reserve(skb, chip->tx_pkt_desc_sz); 929 930 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); 931 932 nlo_hdr->nlo_count = pno_req->match_set_cnt; 933 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; 934 935 /* pattern check for firmware */ 936 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); 937 938 for (i = 0; i < pno_req->match_set_cnt; i++) 939 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; 940 941 for (i = 0; i < pno_req->match_set_cnt; i++) { 942 ssid = &pno_req->match_sets[i].ssid; 943 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 944 if (!loc) { 945 rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); 946 kfree_skb(skb); 947 return NULL; 948 } 949 nlo_hdr->location[i] = loc; 950 } 951 952 for (i = 0; i < pno_req->match_set_cnt; i++) { 953 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); 954 memcpy(pos, pno_req->match_sets[i].ssid.ssid, 955 pno_req->match_sets[i].ssid.ssid_len); 956 } 957 958 return skb; 959 } 960 961 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) 962 { 963 struct rtw_dev *rtwdev = hw->priv; 964 const struct rtw_chip_info *chip = rtwdev->chip; 965 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 966 struct ieee80211_channel *channels = pno_req->channels; 967 struct sk_buff *skb; 968 int count = pno_req->channel_cnt; 969 u8 *pos; 970 int i = 0; 971 972 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); 973 if (!skb) 974 return NULL; 975 976 skb_reserve(skb, chip->tx_pkt_desc_sz); 977 978 for (i = 0; i < count; i++) { 979 pos = skb_put_zero(skb, 4); 980 981 CHSW_INFO_SET_CH(pos, channels[i].hw_value); 982 983 if (channels[i].flags & IEEE80211_CHAN_RADAR) 984 CHSW_INFO_SET_ACTION_ID(pos, 0); 985 else 986 CHSW_INFO_SET_ACTION_ID(pos, 1); 987 CHSW_INFO_SET_TIMEOUT(pos, 1); 988 CHSW_INFO_SET_PRI_CH_IDX(pos, 1); 989 CHSW_INFO_SET_BW(pos, 0); 990 } 991 992 return skb; 993 } 994 995 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) 996 { 997 struct rtw_dev *rtwdev = hw->priv; 998 const struct rtw_chip_info *chip = rtwdev->chip; 999 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; 1000 struct rtw_lps_pg_dpk_hdr *dpk_hdr; 1001 struct sk_buff *skb; 1002 u32 size; 1003 1004 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr); 1005 skb = alloc_skb(size, GFP_KERNEL); 1006 if (!skb) 1007 return NULL; 1008 1009 skb_reserve(skb, chip->tx_pkt_desc_sz); 1010 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); 1011 dpk_hdr->dpk_ch = dpk_info->dpk_ch; 1012 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; 1013 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); 1014 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); 1015 memcpy(dpk_hdr->coef, dpk_info->coef, 160); 1016 1017 return skb; 1018 } 1019 1020 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) 1021 { 1022 struct rtw_dev *rtwdev = hw->priv; 1023 const struct rtw_chip_info *chip = rtwdev->chip; 1024 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1025 struct rtw_lps_pg_info_hdr *pg_info_hdr; 1026 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1027 struct sk_buff *skb; 1028 u32 size; 1029 1030 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); 1031 skb = alloc_skb(size, GFP_KERNEL); 1032 if (!skb) 1033 return NULL; 1034 1035 skb_reserve(skb, chip->tx_pkt_desc_sz); 1036 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); 1037 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; 1038 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 1039 pg_info_hdr->sec_cam_count = 1040 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); 1041 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; 1042 1043 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; 1044 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; 1045 1046 return skb; 1047 } 1048 1049 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, 1050 struct rtw_rsvd_page *rsvd_pkt) 1051 { 1052 struct ieee80211_vif *vif; 1053 struct rtw_vif *rtwvif; 1054 struct sk_buff *skb_new; 1055 struct cfg80211_ssid *ssid; 1056 u16 tim_offset = 0; 1057 1058 if (rsvd_pkt->type == RSVD_DUMMY) { 1059 skb_new = alloc_skb(1, GFP_KERNEL); 1060 if (!skb_new) 1061 return NULL; 1062 1063 skb_put(skb_new, 1); 1064 return skb_new; 1065 } 1066 1067 rtwvif = rsvd_pkt->rtwvif; 1068 if (!rtwvif) 1069 return NULL; 1070 1071 vif = rtwvif_to_vif(rtwvif); 1072 1073 switch (rsvd_pkt->type) { 1074 case RSVD_BEACON: 1075 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0); 1076 rsvd_pkt->tim_offset = tim_offset; 1077 break; 1078 case RSVD_PS_POLL: 1079 skb_new = ieee80211_pspoll_get(hw, vif); 1080 break; 1081 case RSVD_PROBE_RESP: 1082 skb_new = ieee80211_proberesp_get(hw, vif); 1083 break; 1084 case RSVD_NULL: 1085 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false); 1086 break; 1087 case RSVD_QOS_NULL: 1088 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true); 1089 break; 1090 case RSVD_LPS_PG_DPK: 1091 skb_new = rtw_lps_pg_dpk_get(hw); 1092 break; 1093 case RSVD_LPS_PG_INFO: 1094 skb_new = rtw_lps_pg_info_get(hw); 1095 break; 1096 case RSVD_PROBE_REQ: 1097 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; 1098 if (ssid) 1099 skb_new = ieee80211_probereq_get(hw, vif->addr, 1100 ssid->ssid, 1101 ssid->ssid_len, 0); 1102 else 1103 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); 1104 if (skb_new) 1105 rsvd_pkt->probe_req_size = (u16)skb_new->len; 1106 break; 1107 case RSVD_NLO_INFO: 1108 skb_new = rtw_nlo_info_get(hw); 1109 break; 1110 case RSVD_CH_INFO: 1111 skb_new = rtw_cs_channel_info_get(hw); 1112 break; 1113 default: 1114 return NULL; 1115 } 1116 1117 if (!skb_new) 1118 return NULL; 1119 1120 return skb_new; 1121 } 1122 1123 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 1124 enum rtw_rsvd_packet_type type) 1125 { 1126 struct rtw_tx_pkt_info pkt_info = {0}; 1127 const struct rtw_chip_info *chip = rtwdev->chip; 1128 u8 *pkt_desc; 1129 1130 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 1131 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 1132 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 1133 rtw_tx_fill_tx_desc(&pkt_info, skb); 1134 } 1135 1136 static inline u8 rtw_len_to_page(unsigned int len, u8 page_size) 1137 { 1138 return DIV_ROUND_UP(len, page_size); 1139 } 1140 1141 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size, 1142 u8 page_margin, u32 page, u8 *buf, 1143 struct rtw_rsvd_page *rsvd_pkt) 1144 { 1145 struct sk_buff *skb = rsvd_pkt->skb; 1146 1147 if (page >= 1) 1148 memcpy(buf + page_margin + page_size * (page - 1), 1149 skb->data, skb->len); 1150 else 1151 memcpy(buf, skb->data, skb->len); 1152 } 1153 1154 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 1155 enum rtw_rsvd_packet_type type, 1156 bool txdesc) 1157 { 1158 struct rtw_rsvd_page *rsvd_pkt = NULL; 1159 1160 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); 1161 1162 if (!rsvd_pkt) 1163 return NULL; 1164 1165 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 1166 INIT_LIST_HEAD(&rsvd_pkt->build_list); 1167 rsvd_pkt->type = type; 1168 rsvd_pkt->add_txdesc = txdesc; 1169 1170 return rsvd_pkt; 1171 } 1172 1173 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 1174 struct rtw_vif *rtwvif, 1175 struct rtw_rsvd_page *rsvd_pkt) 1176 { 1177 lockdep_assert_held(&rtwdev->mutex); 1178 1179 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 1180 } 1181 1182 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 1183 struct rtw_vif *rtwvif, 1184 enum rtw_rsvd_packet_type type, 1185 bool txdesc) 1186 { 1187 struct rtw_rsvd_page *rsvd_pkt; 1188 1189 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1190 if (!rsvd_pkt) { 1191 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1192 return; 1193 } 1194 1195 rsvd_pkt->rtwvif = rtwvif; 1196 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1197 } 1198 1199 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1200 struct rtw_vif *rtwvif, 1201 struct cfg80211_ssid *ssid) 1202 { 1203 struct rtw_rsvd_page *rsvd_pkt; 1204 1205 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1206 if (!rsvd_pkt) { 1207 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1208 return; 1209 } 1210 1211 rsvd_pkt->rtwvif = rtwvif; 1212 rsvd_pkt->ssid = ssid; 1213 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1214 } 1215 1216 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1217 struct rtw_vif *rtwvif) 1218 { 1219 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1220 1221 lockdep_assert_held(&rtwdev->mutex); 1222 1223 /* remove all of the rsvd pages for vif */ 1224 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1225 vif_list) { 1226 list_del(&rsvd_pkt->vif_list); 1227 if (!list_empty(&rsvd_pkt->build_list)) 1228 list_del(&rsvd_pkt->build_list); 1229 kfree(rsvd_pkt); 1230 } 1231 } 1232 1233 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1234 struct rtw_vif *rtwvif) 1235 { 1236 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1237 1238 if (vif->type != NL80211_IFTYPE_AP && 1239 vif->type != NL80211_IFTYPE_ADHOC && 1240 vif->type != NL80211_IFTYPE_MESH_POINT) { 1241 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1242 vif->type); 1243 return; 1244 } 1245 1246 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1247 } 1248 1249 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1250 struct rtw_vif *rtwvif) 1251 { 1252 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1253 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1254 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1255 struct cfg80211_ssid *ssid; 1256 int i; 1257 1258 if (vif->type != NL80211_IFTYPE_STATION) { 1259 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1260 vif->type); 1261 return; 1262 } 1263 1264 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1265 ssid = &rtw_pno_req->match_sets[i].ssid; 1266 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1267 } 1268 1269 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1270 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1271 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1272 } 1273 1274 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1275 struct rtw_vif *rtwvif) 1276 { 1277 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1278 1279 if (vif->type != NL80211_IFTYPE_STATION) { 1280 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1281 vif->type); 1282 return; 1283 } 1284 1285 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1286 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1287 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1288 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1289 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1290 } 1291 1292 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1293 u8 *buf, u32 size) 1294 { 1295 u8 bckp[2]; 1296 u8 val; 1297 u16 rsvd_pg_head; 1298 u32 bcn_valid_addr; 1299 u32 bcn_valid_mask; 1300 int ret; 1301 1302 lockdep_assert_held(&rtwdev->mutex); 1303 1304 if (!size) 1305 return -EINVAL; 1306 1307 if (rtw_chip_wcpu_11n(rtwdev)) { 1308 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1309 } else { 1310 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1311 pg_addr |= BIT_BCN_VALID_V1; 1312 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1313 } 1314 1315 val = rtw_read8(rtwdev, REG_CR + 1); 1316 bckp[0] = val; 1317 val |= BIT_ENSWBCN >> 8; 1318 rtw_write8(rtwdev, REG_CR + 1, val); 1319 1320 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1321 bckp[1] = val; 1322 val &= ~(BIT_EN_BCNQ_DL >> 16); 1323 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1324 1325 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1326 if (ret) { 1327 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1328 goto restore; 1329 } 1330 1331 if (rtw_chip_wcpu_11n(rtwdev)) { 1332 bcn_valid_addr = REG_DWBCN0_CTRL; 1333 bcn_valid_mask = BIT_BCN_VALID; 1334 } else { 1335 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1336 bcn_valid_mask = BIT_BCN_VALID_V1; 1337 } 1338 1339 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1340 rtw_err(rtwdev, "error beacon valid\n"); 1341 ret = -EBUSY; 1342 } 1343 1344 restore: 1345 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1346 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1347 rsvd_pg_head | BIT_BCN_VALID_V1); 1348 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1349 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1350 1351 return ret; 1352 } 1353 1354 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1355 { 1356 u32 pg_size; 1357 u32 pg_num = 0; 1358 u16 pg_addr = 0; 1359 1360 pg_size = rtwdev->chip->page_size; 1361 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1362 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1363 return -ENOMEM; 1364 1365 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1366 1367 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1368 } 1369 1370 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1371 { 1372 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1373 1374 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1375 build_list) { 1376 list_del_init(&rsvd_pkt->build_list); 1377 1378 /* Don't free except for the dummy rsvd page, 1379 * others will be freed when removing vif 1380 */ 1381 if (rsvd_pkt->type == RSVD_DUMMY) 1382 kfree(rsvd_pkt); 1383 } 1384 } 1385 1386 static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1387 struct ieee80211_vif *vif) 1388 { 1389 struct rtw_dev *rtwdev = data; 1390 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1391 struct rtw_rsvd_page *rsvd_pkt; 1392 1393 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1394 if (rsvd_pkt->type == RSVD_BEACON) 1395 list_add(&rsvd_pkt->build_list, 1396 &rtwdev->rsvd_page_list); 1397 else 1398 list_add_tail(&rsvd_pkt->build_list, 1399 &rtwdev->rsvd_page_list); 1400 } 1401 } 1402 1403 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1404 { 1405 struct rtw_rsvd_page *rsvd_pkt; 1406 1407 __rtw_build_rsvd_page_reset(rtwdev); 1408 1409 /* gather rsvd page from vifs */ 1410 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1411 1412 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1413 struct rtw_rsvd_page, build_list); 1414 if (!rsvd_pkt) { 1415 WARN(1, "Should not have an empty reserved page\n"); 1416 return -EINVAL; 1417 } 1418 1419 /* the first rsvd should be beacon, otherwise add a dummy one */ 1420 if (rsvd_pkt->type != RSVD_BEACON) { 1421 struct rtw_rsvd_page *dummy_pkt; 1422 1423 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1424 if (!dummy_pkt) { 1425 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1426 return -ENOMEM; 1427 } 1428 1429 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1430 } 1431 1432 return 0; 1433 } 1434 1435 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1436 { 1437 struct ieee80211_hw *hw = rtwdev->hw; 1438 const struct rtw_chip_info *chip = rtwdev->chip; 1439 struct sk_buff *iter; 1440 struct rtw_rsvd_page *rsvd_pkt; 1441 u32 page = 0; 1442 u8 total_page = 0; 1443 u8 page_size, page_margin, tx_desc_sz; 1444 u8 *buf; 1445 int ret; 1446 1447 page_size = chip->page_size; 1448 tx_desc_sz = chip->tx_pkt_desc_sz; 1449 page_margin = page_size - tx_desc_sz; 1450 1451 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1452 if (ret) { 1453 rtw_err(rtwdev, 1454 "failed to build rsvd page from vifs, ret %d\n", ret); 1455 return NULL; 1456 } 1457 1458 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1459 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1460 if (!iter) { 1461 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1462 goto release_skb; 1463 } 1464 1465 /* Fill the tx_desc for the rsvd pkt that requires one. 1466 * And iter->len will be added with size of tx_desc_sz. 1467 */ 1468 if (rsvd_pkt->add_txdesc) 1469 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1470 1471 rsvd_pkt->skb = iter; 1472 rsvd_pkt->page = total_page; 1473 1474 /* Reserved page is downloaded via TX path, and TX path will 1475 * generate a tx_desc at the header to describe length of 1476 * the buffer. If we are not counting page numbers with the 1477 * size of tx_desc added at the first rsvd_pkt (usually a 1478 * beacon, firmware default refer to the first page as the 1479 * content of beacon), we could generate a buffer which size 1480 * is smaller than the actual size of the whole rsvd_page 1481 */ 1482 if (total_page == 0) { 1483 if (rsvd_pkt->type != RSVD_BEACON && 1484 rsvd_pkt->type != RSVD_DUMMY) { 1485 rtw_err(rtwdev, "first page should be a beacon\n"); 1486 goto release_skb; 1487 } 1488 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1489 page_size); 1490 } else { 1491 total_page += rtw_len_to_page(iter->len, page_size); 1492 } 1493 } 1494 1495 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1496 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1497 goto release_skb; 1498 } 1499 1500 *size = (total_page - 1) * page_size + page_margin; 1501 buf = kzalloc(*size, GFP_KERNEL); 1502 if (!buf) 1503 goto release_skb; 1504 1505 /* Copy the content of each rsvd_pkt to the buf, and they should 1506 * be aligned to the pages. 1507 * 1508 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1509 * And that rsvd_pkt does not require tx_desc because when it goes 1510 * through TX path, the TX path will generate one for it. 1511 */ 1512 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1513 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1514 page, buf, rsvd_pkt); 1515 if (page == 0) 1516 page += rtw_len_to_page(rsvd_pkt->skb->len + 1517 tx_desc_sz, page_size); 1518 else 1519 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1520 1521 kfree_skb(rsvd_pkt->skb); 1522 rsvd_pkt->skb = NULL; 1523 } 1524 1525 return buf; 1526 1527 release_skb: 1528 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1529 kfree_skb(rsvd_pkt->skb); 1530 rsvd_pkt->skb = NULL; 1531 } 1532 1533 return NULL; 1534 } 1535 1536 static int rtw_download_beacon(struct rtw_dev *rtwdev) 1537 { 1538 struct ieee80211_hw *hw = rtwdev->hw; 1539 struct rtw_rsvd_page *rsvd_pkt; 1540 struct sk_buff *skb; 1541 int ret = 0; 1542 1543 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1544 struct rtw_rsvd_page, build_list); 1545 if (!rsvd_pkt) { 1546 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1547 return -ENOENT; 1548 } 1549 1550 if (rsvd_pkt->type != RSVD_BEACON && 1551 rsvd_pkt->type != RSVD_DUMMY) { 1552 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1553 rsvd_pkt->type); 1554 return -EINVAL; 1555 } 1556 1557 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1558 if (!skb) { 1559 rtw_err(rtwdev, "failed to get beacon skb\n"); 1560 return -ENOMEM; 1561 } 1562 1563 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1564 if (ret) 1565 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1566 1567 dev_kfree_skb(skb); 1568 1569 return ret; 1570 } 1571 1572 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1573 { 1574 u8 *buf; 1575 u32 size; 1576 int ret; 1577 1578 buf = rtw_build_rsvd_page(rtwdev, &size); 1579 if (!buf) { 1580 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1581 return -ENOMEM; 1582 } 1583 1584 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1585 if (ret) { 1586 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1587 goto free; 1588 } 1589 1590 /* The last thing is to download the *ONLY* beacon again, because 1591 * the previous tx_desc is to describe the total rsvd page. Download 1592 * the beacon again to replace the TX desc header, and we will get 1593 * a correct tx_desc for the beacon in the rsvd page. 1594 */ 1595 ret = rtw_download_beacon(rtwdev); 1596 if (ret) { 1597 rtw_err(rtwdev, "failed to download beacon\n"); 1598 goto free; 1599 } 1600 1601 free: 1602 kfree(buf); 1603 1604 return ret; 1605 } 1606 1607 void rtw_fw_update_beacon_work(struct work_struct *work) 1608 { 1609 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, 1610 update_beacon_work); 1611 1612 mutex_lock(&rtwdev->mutex); 1613 rtw_fw_download_rsvd_page(rtwdev); 1614 mutex_unlock(&rtwdev->mutex); 1615 } 1616 1617 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1618 u32 *buf, u32 residue, u16 start_pg) 1619 { 1620 u32 i; 1621 u16 idx = 0; 1622 u16 ctl; 1623 1624 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1625 /* disable rx clock gate */ 1626 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 1627 1628 do { 1629 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); 1630 1631 for (i = FIFO_DUMP_ADDR + residue; 1632 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { 1633 buf[idx++] = rtw_read32(rtwdev, i); 1634 size -= 4; 1635 if (size == 0) 1636 goto out; 1637 } 1638 1639 residue = 0; 1640 start_pg++; 1641 } while (size); 1642 1643 out: 1644 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1645 /* restore rx clock gate */ 1646 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1647 } 1648 1649 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1650 u32 offset, u32 size, u32 *buf) 1651 { 1652 const struct rtw_chip_info *chip = rtwdev->chip; 1653 u32 start_pg, residue; 1654 1655 if (sel >= RTW_FW_FIFO_MAX) { 1656 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1657 return; 1658 } 1659 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1660 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1661 residue = offset & (FIFO_PAGE_SIZE - 1); 1662 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1663 1664 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1665 } 1666 1667 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1668 enum rtw_fw_fifo_sel sel, 1669 u32 start_addr, u32 size) 1670 { 1671 switch (sel) { 1672 case RTW_FW_FIFO_SEL_TX: 1673 case RTW_FW_FIFO_SEL_RX: 1674 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1675 return false; 1676 fallthrough; 1677 default: 1678 return true; 1679 } 1680 } 1681 1682 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1683 u32 *buffer) 1684 { 1685 if (!rtwdev->chip->fw_fifo_addr[0]) { 1686 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1687 return -ENOTSUPP; 1688 } 1689 1690 if (size == 0 || !buffer) 1691 return -EINVAL; 1692 1693 if (size & 0x3) { 1694 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1695 return -EINVAL; 1696 } 1697 1698 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1699 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1700 return -EINVAL; 1701 } 1702 1703 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1704 1705 return 0; 1706 } 1707 1708 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1709 u8 location) 1710 { 1711 const struct rtw_chip_info *chip = rtwdev->chip; 1712 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1713 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1714 1715 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1716 1717 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1718 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1719 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1720 1721 /* include txdesc size */ 1722 size += chip->tx_pkt_desc_sz; 1723 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1724 1725 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1726 } 1727 1728 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1729 struct cfg80211_ssid *ssid) 1730 { 1731 u8 loc; 1732 u16 size; 1733 1734 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1735 if (!loc) { 1736 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1737 return; 1738 } 1739 1740 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1741 if (!size) { 1742 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1743 return; 1744 } 1745 1746 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1747 } 1748 1749 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1750 { 1751 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1752 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1753 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1754 u8 loc_ch_info; 1755 const struct rtw_ch_switch_option cs_option = { 1756 .dest_ch_en = 1, 1757 .dest_ch = 1, 1758 .periodic_option = 2, 1759 .normal_period = 5, 1760 .normal_period_sel = 0, 1761 .normal_cycle = 10, 1762 .slow_period = 1, 1763 .slow_period_sel = 1, 1764 }; 1765 1766 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1767 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1768 1769 CH_SWITCH_SET_START(h2c_pkt, enable); 1770 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1771 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1772 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1773 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1774 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1775 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1776 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1777 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1778 1779 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1780 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1781 1782 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1783 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1784 1785 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1786 } 1787 1788 void rtw_fw_adaptivity(struct rtw_dev *rtwdev) 1789 { 1790 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1791 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1792 1793 if (!rtw_edcca_enabled) { 1794 dm_info->edcca_mode = RTW_EDCCA_NORMAL; 1795 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 1796 "EDCCA disabled by debugfs\n"); 1797 } 1798 1799 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); 1800 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); 1801 SET_ADAPTIVITY_OPTION(h2c_pkt, 1); 1802 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); 1803 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); 1804 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); 1805 1806 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1807 } 1808 1809 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 1810 { 1811 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1812 1813 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN); 1814 SET_SCAN_START(h2c_pkt, start); 1815 1816 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1817 } 1818 1819 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb, 1820 struct sk_buff_head *list, u8 *bands, 1821 struct rtw_vif *rtwvif) 1822 { 1823 const struct rtw_chip_info *chip = rtwdev->chip; 1824 struct ieee80211_scan_ies *ies = rtwvif->scan_ies; 1825 struct sk_buff *new; 1826 u8 idx; 1827 1828 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) { 1829 if (!(BIT(idx) & chip->band)) 1830 continue; 1831 new = skb_copy(skb, GFP_KERNEL); 1832 if (!new) 1833 return -ENOMEM; 1834 skb_put_data(new, ies->ies[idx], ies->len[idx]); 1835 skb_put_data(new, ies->common_ies, ies->common_ie_len); 1836 skb_queue_tail(list, new); 1837 (*bands)++; 1838 } 1839 1840 return 0; 1841 } 1842 1843 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes, 1844 struct sk_buff_head *probe_req_list) 1845 { 1846 const struct rtw_chip_info *chip = rtwdev->chip; 1847 struct sk_buff *skb, *tmp; 1848 u8 page_offset = 1, *buf, page_size = chip->page_size; 1849 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc; 1850 u16 buf_offset = page_size * page_offset; 1851 u8 tx_desc_sz = chip->tx_pkt_desc_sz; 1852 u8 page_cnt, pages; 1853 unsigned int pkt_len; 1854 int ret; 1855 1856 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM)) 1857 page_cnt = RTW_OLD_PROBE_PG_CNT; 1858 else 1859 page_cnt = RTW_PROBE_PG_CNT; 1860 1861 pages = page_offset + num_probes * page_cnt; 1862 1863 buf = kzalloc(page_size * pages, GFP_KERNEL); 1864 if (!buf) 1865 return -ENOMEM; 1866 1867 buf_offset -= tx_desc_sz; 1868 skb_queue_walk_safe(probe_req_list, skb, tmp) { 1869 skb_unlink(skb, probe_req_list); 1870 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ); 1871 if (skb->len > page_size * page_cnt) { 1872 ret = -EINVAL; 1873 goto out; 1874 } 1875 1876 memcpy(buf + buf_offset, skb->data, skb->len); 1877 pkt_len = skb->len - tx_desc_sz; 1878 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset; 1879 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc); 1880 1881 buf_offset += page_cnt * page_size; 1882 page_offset += page_cnt; 1883 kfree_skb(skb); 1884 } 1885 1886 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset); 1887 if (ret) { 1888 rtw_err(rtwdev, "Download probe request to firmware failed\n"); 1889 goto out; 1890 } 1891 1892 rtwdev->scan_info.probe_pg_size = page_offset; 1893 out: 1894 kfree(buf); 1895 skb_queue_walk_safe(probe_req_list, skb, tmp) 1896 kfree_skb(skb); 1897 1898 return ret; 1899 } 1900 1901 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, 1902 struct rtw_vif *rtwvif) 1903 { 1904 struct cfg80211_scan_request *req = rtwvif->scan_req; 1905 struct sk_buff_head list; 1906 struct sk_buff *skb, *tmp; 1907 u8 num = req->n_ssids, i, bands = 0; 1908 int ret; 1909 1910 skb_queue_head_init(&list); 1911 for (i = 0; i < num; i++) { 1912 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr, 1913 req->ssids[i].ssid, 1914 req->ssids[i].ssid_len, 1915 req->ie_len); 1916 if (!skb) { 1917 ret = -ENOMEM; 1918 goto out; 1919 } 1920 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands, 1921 rtwvif); 1922 if (ret) 1923 goto out; 1924 1925 kfree_skb(skb); 1926 } 1927 1928 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list); 1929 1930 out: 1931 skb_queue_walk_safe(&list, skb, tmp) 1932 kfree_skb(skb); 1933 1934 return ret; 1935 } 1936 1937 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info, 1938 struct rtw_chan_list *list, u8 *buf) 1939 { 1940 u8 *chan = &buf[list->size]; 1941 u8 info_size = RTW_CH_INFO_SIZE; 1942 1943 if (list->size > list->buf_size) 1944 return -ENOMEM; 1945 1946 CH_INFO_SET_CH(chan, info->channel); 1947 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx); 1948 CH_INFO_SET_BW(chan, info->bw); 1949 CH_INFO_SET_TIMEOUT(chan, info->timeout); 1950 CH_INFO_SET_ACTION_ID(chan, info->action_id); 1951 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info); 1952 if (info->extra_info) { 1953 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS); 1954 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN); 1955 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE - 1956 RTW_EX_CH_INFO_HDR_SIZE); 1957 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME); 1958 info_size += RTW_EX_CH_INFO_SIZE; 1959 } 1960 list->size += info_size; 1961 list->ch_num++; 1962 1963 return 0; 1964 } 1965 1966 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 1967 struct rtw_chan_list *list, u8 *buf) 1968 { 1969 struct cfg80211_scan_request *req = rtwvif->scan_req; 1970 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 1971 struct ieee80211_channel *channel; 1972 int i, ret = 0; 1973 1974 for (i = 0; i < req->n_channels; i++) { 1975 struct rtw_chan_info ch_info = {0}; 1976 1977 channel = req->channels[i]; 1978 ch_info.channel = channel->hw_value; 1979 ch_info.bw = RTW_SCAN_WIDTH; 1980 ch_info.pri_ch_idx = RTW_PRI_CH_IDX; 1981 ch_info.timeout = req->duration_mandatory ? 1982 req->duration : RTW_CHANNEL_TIME; 1983 1984 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) { 1985 ch_info.action_id = RTW_CHANNEL_RADAR; 1986 ch_info.extra_info = 1; 1987 /* Overwrite duration for passive scans if necessary */ 1988 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ? 1989 ch_info.timeout : RTW_PASS_CHAN_TIME; 1990 } else { 1991 ch_info.action_id = RTW_CHANNEL_ACTIVE; 1992 } 1993 1994 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf); 1995 if (ret) 1996 return ret; 1997 } 1998 1999 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) { 2000 rtw_err(rtwdev, "List exceeds rsvd page total size\n"); 2001 return -EINVAL; 2002 } 2003 2004 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size; 2005 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size); 2006 if (ret) 2007 rtw_err(rtwdev, "Download channel list failed\n"); 2008 2009 return ret; 2010 } 2011 2012 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev, 2013 struct rtw_ch_switch_option *opt, 2014 struct rtw_vif *rtwvif, 2015 struct rtw_chan_list *list) 2016 { 2017 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2018 struct cfg80211_scan_request *req = rtwvif->scan_req; 2019 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2020 /* reserve one dummy page at the beginning for tx descriptor */ 2021 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1; 2022 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN; 2023 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 2024 2025 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD); 2026 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN); 2027 2028 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en); 2029 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en); 2030 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq); 2031 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck); 2032 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num); 2033 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size); 2034 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary); 2035 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan); 2036 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx); 2037 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw); 2038 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port); 2039 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ? 2040 req->duration : RTW_CHANNEL_TIME); 2041 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME); 2042 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids); 2043 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc); 2044 2045 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 2046 } 2047 2048 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2049 struct ieee80211_scan_request *scan_req) 2050 { 2051 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 2052 struct cfg80211_scan_request *req = &scan_req->req; 2053 u8 mac_addr[ETH_ALEN]; 2054 2055 rtwdev->scan_info.scanning_vif = vif; 2056 rtwvif->scan_ies = &scan_req->ies; 2057 rtwvif->scan_req = req; 2058 2059 ieee80211_stop_queues(rtwdev->hw); 2060 rtw_leave_lps_deep(rtwdev); 2061 rtw_hci_flush_all_queues(rtwdev, false); 2062 rtw_mac_flush_all_queues(rtwdev, false); 2063 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) 2064 get_random_mask_addr(mac_addr, req->mac_addr, 2065 req->mac_addr_mask); 2066 else 2067 ether_addr_copy(mac_addr, vif->addr); 2068 2069 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true); 2070 2071 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN; 2072 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2073 } 2074 2075 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2076 bool aborted) 2077 { 2078 struct cfg80211_scan_info info = { 2079 .aborted = aborted, 2080 }; 2081 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2082 struct rtw_hal *hal = &rtwdev->hal; 2083 struct rtw_vif *rtwvif; 2084 u8 chan = scan_info->op_chan; 2085 2086 if (!vif) 2087 return; 2088 2089 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 2090 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2091 2092 rtw_core_scan_complete(rtwdev, vif, true); 2093 2094 rtwvif = (struct rtw_vif *)vif->drv_priv; 2095 if (chan) 2096 rtw_store_op_chan(rtwdev, false); 2097 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel); 2098 ieee80211_wake_queues(rtwdev->hw); 2099 ieee80211_scan_completed(rtwdev->hw, &info); 2100 2101 rtwvif->scan_req = NULL; 2102 rtwvif->scan_ies = NULL; 2103 rtwdev->scan_info.scanning_vif = NULL; 2104 } 2105 2106 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2107 struct rtw_chan_list *list) 2108 { 2109 struct cfg80211_scan_request *req = rtwvif->scan_req; 2110 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE); 2111 u8 *buf; 2112 int ret; 2113 2114 buf = kmalloc(size, GFP_KERNEL); 2115 if (!buf) 2116 return -ENOMEM; 2117 2118 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif); 2119 if (ret) { 2120 rtw_err(rtwdev, "Update probe request failed\n"); 2121 goto out; 2122 } 2123 2124 list->buf_size = size; 2125 list->size = 0; 2126 list->ch_num = 0; 2127 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf); 2128 out: 2129 kfree(buf); 2130 2131 return ret; 2132 } 2133 2134 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2135 bool enable) 2136 { 2137 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL; 2138 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2139 struct rtw_ch_switch_option cs_option = {0}; 2140 struct rtw_chan_list chan_list = {0}; 2141 int ret = 0; 2142 2143 if (!rtwvif) 2144 return -EINVAL; 2145 2146 cs_option.switch_en = enable; 2147 cs_option.back_op_en = scan_info->op_chan != 0; 2148 if (enable) { 2149 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list); 2150 if (ret) 2151 goto out; 2152 } 2153 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list); 2154 out: 2155 return ret; 2156 } 2157 2158 void rtw_hw_scan_abort(struct rtw_dev *rtwdev, struct ieee80211_vif *vif) 2159 { 2160 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 2161 return; 2162 2163 rtw_hw_scan_offload(rtwdev, vif, false); 2164 rtw_hw_scan_complete(rtwdev, vif, true); 2165 } 2166 2167 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb) 2168 { 2169 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2170 struct rtw_c2h_cmd *c2h; 2171 bool aborted; 2172 u8 rc; 2173 2174 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2175 return; 2176 2177 c2h = get_c2h_from_skb(skb); 2178 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload); 2179 aborted = rc != RTW_SCAN_REPORT_SUCCESS; 2180 rtw_hw_scan_complete(rtwdev, vif, aborted); 2181 2182 if (aborted) 2183 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc); 2184 } 2185 2186 void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup) 2187 { 2188 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2189 struct rtw_hal *hal = &rtwdev->hal; 2190 u8 band; 2191 2192 if (backup) { 2193 scan_info->op_chan = hal->current_channel; 2194 scan_info->op_bw = hal->current_band_width; 2195 scan_info->op_pri_ch_idx = hal->current_primary_channel_index; 2196 scan_info->op_pri_ch = hal->primary_channel; 2197 } else { 2198 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2199 rtw_update_channel(rtwdev, scan_info->op_chan, 2200 scan_info->op_pri_ch, 2201 band, scan_info->op_bw); 2202 } 2203 } 2204 2205 void rtw_clear_op_chan(struct rtw_dev *rtwdev) 2206 { 2207 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2208 2209 scan_info->op_chan = 0; 2210 scan_info->op_bw = 0; 2211 scan_info->op_pri_ch_idx = 0; 2212 scan_info->op_pri_ch = 0; 2213 } 2214 2215 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel) 2216 { 2217 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2218 2219 return channel == scan_info->op_chan; 2220 } 2221 2222 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb) 2223 { 2224 struct rtw_hal *hal = &rtwdev->hal; 2225 struct rtw_c2h_cmd *c2h; 2226 enum rtw_scan_notify_id id; 2227 u8 chan, band, status; 2228 2229 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2230 return; 2231 2232 c2h = get_c2h_from_skb(skb); 2233 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload); 2234 id = GET_CHAN_SWITCH_ID(c2h->payload); 2235 status = GET_CHAN_SWITCH_STATUS(c2h->payload); 2236 2237 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) { 2238 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2239 rtw_update_channel(rtwdev, chan, chan, band, 2240 RTW_CHANNEL_WIDTH_20); 2241 if (rtw_is_op_chan(rtwdev, chan)) { 2242 rtw_store_op_chan(rtwdev, false); 2243 ieee80211_wake_queues(rtwdev->hw); 2244 } 2245 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) { 2246 if (IS_CH_5G_BAND(chan)) { 2247 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); 2248 } else if (IS_CH_2G_BAND(chan)) { 2249 u8 chan_type; 2250 2251 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2252 chan_type = COEX_SWITCH_TO_24G; 2253 else 2254 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN; 2255 rtw_coex_switchband_notify(rtwdev, chan_type); 2256 } 2257 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next 2258 * channel that hardware will switch. We need to stop queue 2259 * if next channel is non-op channel. 2260 */ 2261 if (!rtw_is_op_chan(rtwdev, chan) && 2262 rtw_is_op_chan(rtwdev, hal->current_channel)) 2263 ieee80211_stop_queues(rtwdev->hw); 2264 } 2265 2266 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, 2267 "Chan switch: %x, id: %x, status: %x\n", chan, id, status); 2268 } 2269