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 const struct rtw_hw_reg_desc fw_h2c_regs[] = { 21 {REG_FWIMR, MASKDWORD, "FWIMR"}, 22 {REG_FWIMR, BIT_FS_H2CCMD_INT_EN, "FWIMR enable"}, 23 {REG_FWISR, MASKDWORD, "FWISR"}, 24 {REG_FWISR, BIT_FS_H2CCMD_INT, "FWISR enable"}, 25 {REG_HMETFR, BIT_INT_BOX_ALL, "BoxBitMap"}, 26 {REG_HMEBOX0, MASKDWORD, "MSG 0"}, 27 {REG_HMEBOX0_EX, MASKDWORD, "MSG_EX 0"}, 28 {REG_HMEBOX1, MASKDWORD, "MSG 1"}, 29 {REG_HMEBOX1_EX, MASKDWORD, "MSG_EX 1"}, 30 {REG_HMEBOX2, MASKDWORD, "MSG 2"}, 31 {REG_HMEBOX2_EX, MASKDWORD, "MSG_EX 2"}, 32 {REG_HMEBOX3, MASKDWORD, "MSG 3"}, 33 {REG_HMEBOX3_EX, MASKDWORD, "MSG_EX 3"}, 34 {REG_FT1IMR, MASKDWORD, "FT1IMR"}, 35 {REG_FT1IMR, BIT_FS_H2C_CMD_OK_INT_EN, "FT1IMR enable"}, 36 {REG_FT1ISR, MASKDWORD, "FT1ISR"}, 37 {REG_FT1ISR, BIT_FS_H2C_CMD_OK_INT, "FT1ISR enable "}, 38 }; 39 40 static const struct rtw_hw_reg_desc fw_c2h_regs[] = { 41 {REG_FWIMR, MASKDWORD, "FWIMR"}, 42 {REG_FWIMR, BIT_FS_H2CCMD_INT_EN, "CPWM"}, 43 {REG_FWIMR, BIT_FS_HRCV_INT_EN, "HRECV"}, 44 {REG_FWISR, MASKDWORD, "FWISR"}, 45 {REG_FWISR, BIT_FS_H2CCMD_INT, "CPWM"}, 46 {REG_FWISR, BIT_FS_HRCV_INT, "HRECV"}, 47 {REG_CPWM, MASKDWORD, "REG_CPWM"}, 48 }; 49 50 static const struct rtw_hw_reg_desc fw_core_regs[] = { 51 {REG_ARFR2_V1, MASKDWORD, "EPC"}, 52 {REG_ARFRH2_V1, MASKDWORD, "BADADDR"}, 53 {REG_ARFR3_V1, MASKDWORD, "CAUSE"}, 54 {REG_ARFR3_V1, BIT_EXC_CODE, "ExcCode"}, 55 {REG_ARFRH3_V1, MASKDWORD, "Status"}, 56 {REG_ARFR4, MASKDWORD, "SP"}, 57 {REG_ARFRH4, MASKDWORD, "RA"}, 58 {REG_FW_DBG6, MASKDWORD, "DBG 6"}, 59 {REG_FW_DBG7, MASKDWORD, "DBG 7"}, 60 }; 61 62 static void _rtw_fw_dump_dbg_info(struct rtw_dev *rtwdev, 63 const struct rtw_hw_reg_desc regs[], u32 size) 64 { 65 const struct rtw_hw_reg_desc *reg; 66 u32 val; 67 int i; 68 69 for (i = 0; i < size; i++) { 70 reg = ®s[i]; 71 val = rtw_read32_mask(rtwdev, reg->addr, reg->mask); 72 73 rtw_dbg(rtwdev, RTW_DBG_FW, "[%s]addr:0x%x mask:0x%x value:0x%x\n", 74 reg->desc, reg->addr, reg->mask, val); 75 } 76 } 77 78 void rtw_fw_dump_dbg_info(struct rtw_dev *rtwdev) 79 { 80 int i; 81 82 if (!rtw_dbg_is_enabled(rtwdev, RTW_DBG_FW)) 83 return; 84 85 _rtw_fw_dump_dbg_info(rtwdev, fw_h2c_regs, ARRAY_SIZE(fw_h2c_regs)); 86 _rtw_fw_dump_dbg_info(rtwdev, fw_c2h_regs, ARRAY_SIZE(fw_c2h_regs)); 87 for (i = 0 ; i < RTW_DEBUG_DUMP_TIMES; i++) { 88 rtw_dbg(rtwdev, RTW_DBG_FW, "Firmware Coredump %dth\n", i + 1); 89 _rtw_fw_dump_dbg_info(rtwdev, fw_core_regs, ARRAY_SIZE(fw_core_regs)); 90 } 91 } 92 93 static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev, 94 struct sk_buff *skb) 95 { 96 struct rtw_c2h_cmd *c2h; 97 u8 sub_cmd_id; 98 99 c2h = get_c2h_from_skb(skb); 100 sub_cmd_id = c2h->payload[0]; 101 102 switch (sub_cmd_id) { 103 case C2H_CCX_RPT: 104 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_RPT); 105 break; 106 case C2H_SCAN_STATUS_RPT: 107 rtw_hw_scan_status_report(rtwdev, skb); 108 break; 109 case C2H_CHAN_SWITCH: 110 rtw_hw_scan_chan_switch(rtwdev, skb); 111 break; 112 default: 113 break; 114 } 115 } 116 117 static u16 get_max_amsdu_len(u32 bit_rate) 118 { 119 /* lower than ofdm, do not aggregate */ 120 if (bit_rate < 550) 121 return 1; 122 123 /* lower than 20M 2ss mcs8, make it small */ 124 if (bit_rate < 1800) 125 return 1200; 126 127 /* lower than 40M 2ss mcs9, make it medium */ 128 if (bit_rate < 4000) 129 return 2600; 130 131 /* not yet 80M 2ss mcs8/9, make it twice regular packet size */ 132 if (bit_rate < 7000) 133 return 3500; 134 135 /* unlimited */ 136 return 0; 137 } 138 139 struct rtw_fw_iter_ra_data { 140 struct rtw_dev *rtwdev; 141 u8 *payload; 142 u8 length; 143 }; 144 145 static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta) 146 { 147 struct rtw_fw_iter_ra_data *ra_data = data; 148 struct rtw_c2h_ra_rpt *ra_rpt = (struct rtw_c2h_ra_rpt *)ra_data->payload; 149 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 150 u8 mac_id, rate, sgi, bw; 151 u8 mcs, nss; 152 u32 bit_rate; 153 154 mac_id = ra_rpt->mac_id; 155 if (si->mac_id != mac_id) 156 return; 157 158 si->ra_report.txrate.flags = 0; 159 160 rate = u8_get_bits(ra_rpt->rate_sgi, RTW_C2H_RA_RPT_RATE); 161 sgi = u8_get_bits(ra_rpt->rate_sgi, RTW_C2H_RA_RPT_SGI); 162 if (ra_data->length >= offsetofend(typeof(*ra_rpt), bw)) 163 bw = ra_rpt->bw; 164 else 165 bw = si->bw_mode; 166 167 if (rate < DESC_RATEMCS0) { 168 si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate); 169 goto legacy; 170 } 171 172 rtw_desc_to_mcsrate(rate, &mcs, &nss); 173 if (rate >= DESC_RATEVHT1SS_MCS0) 174 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS; 175 else if (rate >= DESC_RATEMCS0) 176 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS; 177 178 if (rate >= DESC_RATEMCS0) { 179 si->ra_report.txrate.mcs = mcs; 180 si->ra_report.txrate.nss = nss; 181 } 182 183 if (sgi) 184 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 185 186 if (bw == RTW_CHANNEL_WIDTH_80) 187 si->ra_report.txrate.bw = RATE_INFO_BW_80; 188 else if (bw == RTW_CHANNEL_WIDTH_40) 189 si->ra_report.txrate.bw = RATE_INFO_BW_40; 190 else 191 si->ra_report.txrate.bw = RATE_INFO_BW_20; 192 193 legacy: 194 bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate); 195 196 si->ra_report.desc_rate = rate; 197 si->ra_report.bit_rate = bit_rate; 198 199 sta->deflink.agg.max_rc_amsdu_len = get_max_amsdu_len(bit_rate); 200 } 201 202 static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload, 203 u8 length) 204 { 205 struct rtw_c2h_ra_rpt *ra_rpt = (struct rtw_c2h_ra_rpt *)payload; 206 struct rtw_fw_iter_ra_data ra_data; 207 208 if (WARN(length < rtwdev->chip->c2h_ra_report_size, 209 "invalid ra report c2h length %d\n", length)) 210 return; 211 212 rtwdev->dm_info.tx_rate = u8_get_bits(ra_rpt->rate_sgi, 213 RTW_C2H_RA_RPT_RATE); 214 ra_data.rtwdev = rtwdev; 215 ra_data.payload = payload; 216 ra_data.length = length; 217 rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data); 218 } 219 220 struct rtw_beacon_filter_iter_data { 221 struct rtw_dev *rtwdev; 222 u8 *payload; 223 }; 224 225 static void rtw_fw_bcn_filter_notify_vif_iter(void *data, 226 struct ieee80211_vif *vif) 227 { 228 struct rtw_beacon_filter_iter_data *iter_data = data; 229 struct rtw_dev *rtwdev = iter_data->rtwdev; 230 u8 *payload = iter_data->payload; 231 u8 type = GET_BCN_FILTER_NOTIFY_TYPE(payload); 232 u8 event = GET_BCN_FILTER_NOTIFY_EVENT(payload); 233 s8 sig = (s8)GET_BCN_FILTER_NOTIFY_RSSI(payload); 234 235 switch (type) { 236 case BCN_FILTER_NOTIFY_SIGNAL_CHANGE: 237 event = event ? NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH : 238 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; 239 ieee80211_cqm_rssi_notify(vif, event, sig, GFP_KERNEL); 240 break; 241 case BCN_FILTER_CONNECTION_LOSS: 242 ieee80211_connection_loss(vif); 243 break; 244 case BCN_FILTER_CONNECTED: 245 rtwdev->beacon_loss = false; 246 break; 247 case BCN_FILTER_NOTIFY_BEACON_LOSS: 248 rtwdev->beacon_loss = true; 249 rtw_leave_lps(rtwdev); 250 break; 251 } 252 } 253 254 static void rtw_fw_bcn_filter_notify(struct rtw_dev *rtwdev, u8 *payload, 255 u8 length) 256 { 257 struct rtw_beacon_filter_iter_data dev_iter_data; 258 259 dev_iter_data.rtwdev = rtwdev; 260 dev_iter_data.payload = payload; 261 rtw_iterate_vifs(rtwdev, rtw_fw_bcn_filter_notify_vif_iter, 262 &dev_iter_data); 263 } 264 265 static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload, 266 u8 length) 267 { 268 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 269 270 dm_info->scan_density = payload[0]; 271 272 rtw_dbg(rtwdev, RTW_DBG_FW, "scan.density = %x\n", 273 dm_info->scan_density); 274 } 275 276 static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload, 277 u8 length) 278 { 279 const struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th; 280 struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload; 281 282 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 283 "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n", 284 result->density, result->igi, result->l2h_th_init, result->l2h, 285 result->h2l, result->option); 286 287 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n", 288 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr, 289 edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask), 290 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr, 291 edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask)); 292 293 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n", 294 rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ? 295 "Set" : "Unset"); 296 } 297 298 void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb) 299 { 300 struct rtw_c2h_cmd *c2h; 301 u32 pkt_offset; 302 u8 len; 303 304 pkt_offset = *((u32 *)skb->cb); 305 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 306 len = skb->len - pkt_offset - 2; 307 308 mutex_lock(&rtwdev->mutex); 309 310 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 311 goto unlock; 312 313 switch (c2h->id) { 314 case C2H_CCX_TX_RPT: 315 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT); 316 break; 317 case C2H_BT_INFO: 318 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len); 319 break; 320 case C2H_BT_HID_INFO: 321 rtw_coex_bt_hid_info_notify(rtwdev, c2h->payload, len); 322 break; 323 case C2H_WLAN_INFO: 324 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len); 325 break; 326 case C2H_BCN_FILTER_NOTIFY: 327 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len); 328 break; 329 case C2H_HALMAC: 330 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb); 331 break; 332 case C2H_RA_RPT: 333 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len); 334 break; 335 case C2H_ADAPTIVITY: 336 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len); 337 break; 338 default: 339 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id); 340 break; 341 } 342 343 unlock: 344 mutex_unlock(&rtwdev->mutex); 345 } 346 347 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, 348 struct sk_buff *skb) 349 { 350 struct rtw_c2h_cmd *c2h; 351 u8 len; 352 353 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 354 len = skb->len - pkt_offset - 2; 355 *((u32 *)skb->cb) = pkt_offset; 356 357 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", 358 c2h->id, c2h->seq, len); 359 360 switch (c2h->id) { 361 case C2H_BT_MP_INFO: 362 rtw_coex_info_response(rtwdev, skb); 363 break; 364 case C2H_WLAN_RFON: 365 complete(&rtwdev->lps_leave_check); 366 dev_kfree_skb_any(skb); 367 break; 368 case C2H_SCAN_RESULT: 369 complete(&rtwdev->fw_scan_density); 370 rtw_fw_scan_result(rtwdev, c2h->payload, len); 371 dev_kfree_skb_any(skb); 372 break; 373 default: 374 /* pass offset for further operation */ 375 *((u32 *)skb->cb) = pkt_offset; 376 skb_queue_tail(&rtwdev->c2h_queue, skb); 377 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); 378 break; 379 } 380 } 381 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); 382 383 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev) 384 { 385 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER) 386 rtw_fw_recovery(rtwdev); 387 else 388 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n"); 389 } 390 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); 391 392 static void rtw_fw_send_h2c_command_register(struct rtw_dev *rtwdev, 393 struct rtw_h2c_register *h2c) 394 { 395 u32 box_reg, box_ex_reg; 396 u8 box_state, box; 397 int ret; 398 399 rtw_dbg(rtwdev, RTW_DBG_FW, "send H2C content %08x %08x\n", h2c->w0, 400 h2c->w1); 401 402 lockdep_assert_held(&rtwdev->mutex); 403 404 box = rtwdev->h2c.last_box_num; 405 switch (box) { 406 case 0: 407 box_reg = REG_HMEBOX0; 408 box_ex_reg = REG_HMEBOX0_EX; 409 break; 410 case 1: 411 box_reg = REG_HMEBOX1; 412 box_ex_reg = REG_HMEBOX1_EX; 413 break; 414 case 2: 415 box_reg = REG_HMEBOX2; 416 box_ex_reg = REG_HMEBOX2_EX; 417 break; 418 case 3: 419 box_reg = REG_HMEBOX3; 420 box_ex_reg = REG_HMEBOX3_EX; 421 break; 422 default: 423 WARN(1, "invalid h2c mail box number\n"); 424 return; 425 } 426 427 ret = read_poll_timeout_atomic(rtw_read8, box_state, 428 !((box_state >> box) & 0x1), 100, 3000, 429 false, rtwdev, REG_HMETFR); 430 431 if (ret) { 432 rtw_err(rtwdev, "failed to send h2c command\n"); 433 rtw_fw_dump_dbg_info(rtwdev); 434 return; 435 } 436 437 rtw_write32(rtwdev, box_ex_reg, h2c->w1); 438 rtw_write32(rtwdev, box_reg, h2c->w0); 439 440 if (++rtwdev->h2c.last_box_num >= 4) 441 rtwdev->h2c.last_box_num = 0; 442 } 443 444 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, 445 u8 *h2c) 446 { 447 struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c; 448 u8 box; 449 u8 box_state; 450 u32 box_reg, box_ex_reg; 451 int ret; 452 453 rtw_dbg(rtwdev, RTW_DBG_FW, 454 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n", 455 h2c[3], h2c[2], h2c[1], h2c[0], 456 h2c[7], h2c[6], h2c[5], h2c[4]); 457 458 lockdep_assert_held(&rtwdev->mutex); 459 460 box = rtwdev->h2c.last_box_num; 461 switch (box) { 462 case 0: 463 box_reg = REG_HMEBOX0; 464 box_ex_reg = REG_HMEBOX0_EX; 465 break; 466 case 1: 467 box_reg = REG_HMEBOX1; 468 box_ex_reg = REG_HMEBOX1_EX; 469 break; 470 case 2: 471 box_reg = REG_HMEBOX2; 472 box_ex_reg = REG_HMEBOX2_EX; 473 break; 474 case 3: 475 box_reg = REG_HMEBOX3; 476 box_ex_reg = REG_HMEBOX3_EX; 477 break; 478 default: 479 WARN(1, "invalid h2c mail box number\n"); 480 return; 481 } 482 483 ret = read_poll_timeout_atomic(rtw_read8, box_state, 484 !((box_state >> box) & 0x1), 100, 3000, 485 false, rtwdev, REG_HMETFR); 486 487 if (ret) { 488 rtw_err(rtwdev, "failed to send h2c command\n"); 489 return; 490 } 491 492 rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext)); 493 rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg)); 494 495 if (++rtwdev->h2c.last_box_num >= 4) 496 rtwdev->h2c.last_box_num = 0; 497 } 498 499 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) 500 { 501 rtw_fw_send_h2c_command(rtwdev, h2c); 502 } 503 504 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) 505 { 506 int ret; 507 508 lockdep_assert_held(&rtwdev->mutex); 509 510 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq); 511 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE); 512 if (ret) 513 rtw_err(rtwdev, "failed to send h2c packet\n"); 514 rtwdev->h2c.seq++; 515 } 516 517 void 518 rtw_fw_send_general_info(struct rtw_dev *rtwdev) 519 { 520 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 521 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 522 u16 total_size = H2C_PKT_HDR_SIZE + 4; 523 524 if (rtw_chip_wcpu_8051(rtwdev)) 525 return; 526 527 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO); 528 529 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 530 531 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt, 532 fifo->rsvd_fw_txbuf_addr - 533 fifo->rsvd_boundary); 534 535 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 536 } 537 538 void 539 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev) 540 { 541 struct rtw_hal *hal = &rtwdev->hal; 542 struct rtw_efuse *efuse = &rtwdev->efuse; 543 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 544 u16 total_size = H2C_PKT_HDR_SIZE + 8; 545 u8 fw_rf_type = 0; 546 547 if (rtw_chip_wcpu_8051(rtwdev)) 548 return; 549 550 if (hal->rf_type == RF_1T1R) 551 fw_rf_type = FW_RF_1T1R; 552 else if (hal->rf_type == RF_2T2R) 553 fw_rf_type = FW_RF_2T2R; 554 555 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO); 556 557 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 558 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option); 559 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type); 560 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version); 561 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx); 562 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx); 563 564 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 565 } 566 567 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para) 568 { 569 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 570 u16 total_size = H2C_PKT_HDR_SIZE + 1; 571 572 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK); 573 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 574 IQK_SET_CLEAR(h2c_pkt, para->clear); 575 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk); 576 577 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 578 } 579 EXPORT_SYMBOL(rtw_fw_do_iqk); 580 581 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start) 582 { 583 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 584 585 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION); 586 587 RFK_SET_INFORM_START(h2c_pkt, start); 588 589 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 590 } 591 EXPORT_SYMBOL(rtw_fw_inform_rfk_status); 592 593 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev) 594 { 595 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 596 597 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO); 598 599 SET_QUERY_BT_INFO(h2c_pkt, true); 600 601 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 602 } 603 604 void rtw_fw_default_port(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif) 605 { 606 struct rtw_h2c_register h2c = {}; 607 608 if (rtwvif->net_type != RTW_NET_MGD_LINKED) 609 return; 610 611 /* Leave LPS before default port H2C so FW timer is correct */ 612 rtw_leave_lps(rtwdev); 613 614 h2c.w0 = u32_encode_bits(H2C_CMD_DEFAULT_PORT, RTW_H2C_W0_CMDID) | 615 u32_encode_bits(rtwvif->port, RTW_H2C_DEFAULT_PORT_W0_PORTID) | 616 u32_encode_bits(rtwvif->mac_id, RTW_H2C_DEFAULT_PORT_W0_MACID); 617 618 rtw_fw_send_h2c_command_register(rtwdev, &h2c); 619 } 620 621 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw) 622 { 623 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 624 625 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO); 626 627 SET_WL_CH_INFO_LINK(h2c_pkt, link); 628 SET_WL_CH_INFO_CHNL(h2c_pkt, ch); 629 SET_WL_CH_INFO_BW(h2c_pkt, bw); 630 631 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 632 } 633 634 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev, 635 struct rtw_coex_info_req *req) 636 { 637 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 638 639 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO); 640 641 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq); 642 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code); 643 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1); 644 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2); 645 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3); 646 647 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 648 } 649 650 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl) 651 { 652 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 653 u8 index = 0 - bt_pwr_dec_lvl; 654 655 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER); 656 657 SET_BT_TX_POWER_INDEX(h2c_pkt, index); 658 659 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 660 } 661 662 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable) 663 { 664 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 665 666 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION); 667 668 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable); 669 670 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 671 } 672 673 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev, 674 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5) 675 { 676 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 677 678 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE); 679 680 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1); 681 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2); 682 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3); 683 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4); 684 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5); 685 686 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 687 } 688 689 void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data) 690 { 691 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 692 693 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO); 694 695 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id); 696 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data); 697 698 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 699 } 700 701 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) 702 { 703 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 704 705 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL); 706 707 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code); 708 709 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); 710 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); 711 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2)); 712 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3)); 713 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); 714 715 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 716 } 717 718 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) 719 { 720 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 721 u8 rssi = ewma_rssi_read(&si->avg_rssi); 722 bool stbc_en = si->stbc_en ? true : false; 723 724 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR); 725 726 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id); 727 SET_RSSI_INFO_RSSI(h2c_pkt, rssi); 728 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en); 729 730 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 731 } 732 733 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si, 734 bool reset_ra_mask) 735 { 736 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 737 bool disable_pt = true; 738 u32 mask_hi; 739 740 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO); 741 742 SET_RA_INFO_MACID(h2c_pkt, si->mac_id); 743 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id); 744 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv); 745 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable); 746 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode); 747 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en); 748 SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask); 749 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable); 750 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt); 751 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff)); 752 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8); 753 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16); 754 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24); 755 756 si->init_ra_lv = 0; 757 758 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 759 760 if (rtwdev->chip->id != RTW_CHIP_TYPE_8814A) 761 return; 762 763 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO_HI); 764 765 mask_hi = si->ra_mask >> 32; 766 767 SET_RA_INFO_RA_MASK0(h2c_pkt, (mask_hi & 0xff)); 768 SET_RA_INFO_RA_MASK1(h2c_pkt, (mask_hi & 0xff00) >> 8); 769 SET_RA_INFO_RA_MASK2(h2c_pkt, (mask_hi & 0xff0000) >> 16); 770 SET_RA_INFO_RA_MASK3(h2c_pkt, (mask_hi & 0xff000000) >> 24); 771 772 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 773 } 774 775 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) 776 { 777 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 778 779 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT); 780 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect); 781 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id); 782 783 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 784 } 785 786 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev) 787 { 788 struct rtw_traffic_stats *stats = &rtwdev->stats; 789 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 790 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 791 792 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO); 793 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput); 794 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput); 795 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate); 796 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate); 797 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]); 798 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 799 } 800 801 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect, 802 struct ieee80211_vif *vif) 803 { 804 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 805 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid); 806 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100; 807 struct rtw_sta_info *si = 808 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL; 809 s32 thold = RTW_DEFAULT_CQM_THOLD; 810 u32 hyst = RTW_DEFAULT_CQM_HYST; 811 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 812 813 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 814 return; 815 816 if (bss_conf->cqm_rssi_thold) 817 thold = bss_conf->cqm_rssi_thold; 818 if (bss_conf->cqm_rssi_hyst) 819 hyst = bss_conf->cqm_rssi_hyst; 820 821 if (!connect) { 822 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 823 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 824 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 825 826 return; 827 } 828 829 if (!si) 830 return; 831 832 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0); 833 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid); 834 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 835 836 memset(h2c_pkt, 0, sizeof(h2c_pkt)); 837 thold = clamp_t(s32, thold + rssi_offset, rssi_min, rssi_max); 838 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 839 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 840 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt, 841 BCN_FILTER_OFFLOAD_MODE_DEFAULT); 842 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, thold); 843 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT); 844 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id); 845 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, hyst); 846 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int); 847 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 848 } 849 850 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev) 851 { 852 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 853 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 854 855 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE); 856 857 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode); 858 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm); 859 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps); 860 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval); 861 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id); 862 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state); 863 864 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 865 } 866 867 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable) 868 { 869 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 870 struct rtw_fw_wow_keep_alive_para mode = { 871 .adopt = true, 872 .pkt_type = KEEP_ALIVE_NULL_PKT, 873 .period = 5, 874 }; 875 876 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE); 877 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable); 878 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt); 879 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type); 880 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period); 881 882 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 883 } 884 885 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable) 886 { 887 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 888 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 889 struct rtw_fw_wow_disconnect_para mode = { 890 .adopt = true, 891 .period = 30, 892 .retry_count = 5, 893 }; 894 895 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION); 896 897 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) { 898 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable); 899 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt); 900 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period); 901 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count); 902 } 903 904 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 905 } 906 907 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 908 { 909 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 910 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 911 912 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN); 913 914 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable); 915 if (rtw_wow_mgd_linked(rtwdev)) { 916 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) 917 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable); 918 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) 919 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable); 920 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags)) 921 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable); 922 if (rtw_wow->pattern_cnt) 923 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable); 924 } 925 926 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 927 } 928 929 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev, 930 u8 pairwise_key_enc, 931 u8 group_key_enc) 932 { 933 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 934 935 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO); 936 937 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc); 938 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc); 939 940 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 941 } 942 943 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 944 { 945 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 946 947 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL); 948 949 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable); 950 951 if (rtw_wow_no_link(rtwdev)) 952 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable); 953 954 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 955 } 956 957 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev, 958 enum rtw_rsvd_packet_type type) 959 { 960 struct rtw_rsvd_page *rsvd_pkt; 961 u8 location = 0; 962 963 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 964 if (type == rsvd_pkt->type) 965 location = rsvd_pkt->page; 966 } 967 968 return location; 969 } 970 971 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable) 972 { 973 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 974 u8 loc_nlo; 975 976 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO); 977 978 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO); 979 980 SET_NLO_FUN_EN(h2c_pkt, enable); 981 if (enable) { 982 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE) 983 SET_NLO_PS_32K(h2c_pkt, enable); 984 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable); 985 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo); 986 } 987 988 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 989 } 990 991 void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev) 992 { 993 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 994 995 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV); 996 SET_RECOVER_BT_DEV_EN(h2c_pkt, 1); 997 998 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 999 } 1000 1001 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) 1002 { 1003 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1004 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1005 u8 loc_pg, loc_dpk; 1006 1007 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); 1008 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); 1009 1010 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); 1011 1012 LPS_PG_INFO_LOC(h2c_pkt, loc_pg); 1013 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); 1014 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); 1015 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); 1016 1017 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1018 } 1019 1020 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, 1021 struct cfg80211_ssid *ssid) 1022 { 1023 struct rtw_rsvd_page *rsvd_pkt; 1024 u8 location = 0; 1025 1026 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1027 if (rsvd_pkt->type != RSVD_PROBE_REQ) 1028 continue; 1029 if ((!ssid && !rsvd_pkt->ssid) || 1030 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid)) 1031 location = rsvd_pkt->page; 1032 } 1033 1034 return location; 1035 } 1036 1037 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, 1038 struct cfg80211_ssid *ssid) 1039 { 1040 struct rtw_rsvd_page *rsvd_pkt; 1041 u16 size = 0; 1042 1043 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1044 if (rsvd_pkt->type != RSVD_PROBE_REQ) 1045 continue; 1046 if ((!ssid && !rsvd_pkt->ssid) || 1047 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid)) 1048 size = rsvd_pkt->probe_req_size; 1049 } 1050 1051 return size; 1052 } 1053 1054 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) 1055 { 1056 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1057 u8 location = 0; 1058 1059 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); 1060 1061 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); 1062 *(h2c_pkt + 1) = location; 1063 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); 1064 1065 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); 1066 *(h2c_pkt + 2) = location; 1067 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); 1068 1069 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); 1070 *(h2c_pkt + 3) = location; 1071 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); 1072 1073 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); 1074 *(h2c_pkt + 4) = location; 1075 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); 1076 1077 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1078 } 1079 1080 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) 1081 { 1082 struct rtw_dev *rtwdev = hw->priv; 1083 const struct rtw_chip_info *chip = rtwdev->chip; 1084 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 1085 struct rtw_nlo_info_hdr *nlo_hdr; 1086 struct cfg80211_ssid *ssid; 1087 struct sk_buff *skb; 1088 u8 *pos, loc; 1089 u32 size; 1090 int i; 1091 1092 if (!pno_req->inited || !pno_req->match_set_cnt) 1093 return NULL; 1094 1095 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * 1096 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; 1097 1098 skb = alloc_skb(size, GFP_KERNEL); 1099 if (!skb) 1100 return NULL; 1101 1102 skb_reserve(skb, chip->tx_pkt_desc_sz); 1103 1104 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); 1105 1106 nlo_hdr->nlo_count = pno_req->match_set_cnt; 1107 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; 1108 1109 /* pattern check for firmware */ 1110 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); 1111 1112 for (i = 0; i < pno_req->match_set_cnt; i++) 1113 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; 1114 1115 for (i = 0; i < pno_req->match_set_cnt; i++) { 1116 ssid = &pno_req->match_sets[i].ssid; 1117 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1118 if (!loc) { 1119 rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); 1120 kfree_skb(skb); 1121 return NULL; 1122 } 1123 nlo_hdr->location[i] = loc; 1124 } 1125 1126 for (i = 0; i < pno_req->match_set_cnt; i++) { 1127 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); 1128 memcpy(pos, pno_req->match_sets[i].ssid.ssid, 1129 pno_req->match_sets[i].ssid.ssid_len); 1130 } 1131 1132 return skb; 1133 } 1134 1135 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) 1136 { 1137 struct rtw_dev *rtwdev = hw->priv; 1138 const struct rtw_chip_info *chip = rtwdev->chip; 1139 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 1140 struct ieee80211_channel *channels = pno_req->channels; 1141 struct sk_buff *skb; 1142 int count = pno_req->channel_cnt; 1143 u8 *pos; 1144 int i = 0; 1145 1146 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); 1147 if (!skb) 1148 return NULL; 1149 1150 skb_reserve(skb, chip->tx_pkt_desc_sz); 1151 1152 for (i = 0; i < count; i++) { 1153 pos = skb_put_zero(skb, 4); 1154 1155 CHSW_INFO_SET_CH(pos, channels[i].hw_value); 1156 1157 if (channels[i].flags & IEEE80211_CHAN_RADAR) 1158 CHSW_INFO_SET_ACTION_ID(pos, 0); 1159 else 1160 CHSW_INFO_SET_ACTION_ID(pos, 1); 1161 CHSW_INFO_SET_TIMEOUT(pos, 1); 1162 CHSW_INFO_SET_PRI_CH_IDX(pos, 1); 1163 CHSW_INFO_SET_BW(pos, 0); 1164 } 1165 1166 return skb; 1167 } 1168 1169 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) 1170 { 1171 struct rtw_dev *rtwdev = hw->priv; 1172 const struct rtw_chip_info *chip = rtwdev->chip; 1173 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; 1174 struct rtw_lps_pg_dpk_hdr *dpk_hdr; 1175 struct sk_buff *skb; 1176 u32 size; 1177 1178 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr); 1179 skb = alloc_skb(size, GFP_KERNEL); 1180 if (!skb) 1181 return NULL; 1182 1183 skb_reserve(skb, chip->tx_pkt_desc_sz); 1184 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); 1185 dpk_hdr->dpk_ch = dpk_info->dpk_ch; 1186 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; 1187 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); 1188 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); 1189 memcpy(dpk_hdr->coef, dpk_info->coef, 160); 1190 1191 return skb; 1192 } 1193 1194 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) 1195 { 1196 struct rtw_dev *rtwdev = hw->priv; 1197 const struct rtw_chip_info *chip = rtwdev->chip; 1198 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1199 struct rtw_lps_pg_info_hdr *pg_info_hdr; 1200 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1201 struct sk_buff *skb; 1202 u32 size; 1203 1204 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); 1205 skb = alloc_skb(size, GFP_KERNEL); 1206 if (!skb) 1207 return NULL; 1208 1209 skb_reserve(skb, chip->tx_pkt_desc_sz); 1210 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); 1211 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; 1212 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 1213 pg_info_hdr->sec_cam_count = 1214 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); 1215 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; 1216 1217 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; 1218 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; 1219 1220 return skb; 1221 } 1222 1223 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, 1224 struct rtw_rsvd_page *rsvd_pkt) 1225 { 1226 struct ieee80211_vif *vif; 1227 struct rtw_vif *rtwvif; 1228 struct sk_buff *skb_new; 1229 struct cfg80211_ssid *ssid; 1230 u16 tim_offset = 0; 1231 1232 if (rsvd_pkt->type == RSVD_DUMMY) { 1233 skb_new = alloc_skb(1, GFP_KERNEL); 1234 if (!skb_new) 1235 return NULL; 1236 1237 skb_put(skb_new, 1); 1238 return skb_new; 1239 } 1240 1241 rtwvif = rsvd_pkt->rtwvif; 1242 if (!rtwvif) 1243 return NULL; 1244 1245 vif = rtwvif_to_vif(rtwvif); 1246 1247 switch (rsvd_pkt->type) { 1248 case RSVD_BEACON: 1249 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0); 1250 rsvd_pkt->tim_offset = tim_offset; 1251 break; 1252 case RSVD_PS_POLL: 1253 skb_new = ieee80211_pspoll_get(hw, vif); 1254 break; 1255 case RSVD_PROBE_RESP: 1256 skb_new = ieee80211_proberesp_get(hw, vif); 1257 break; 1258 case RSVD_NULL: 1259 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false); 1260 break; 1261 case RSVD_QOS_NULL: 1262 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true); 1263 break; 1264 case RSVD_LPS_PG_DPK: 1265 skb_new = rtw_lps_pg_dpk_get(hw); 1266 break; 1267 case RSVD_LPS_PG_INFO: 1268 skb_new = rtw_lps_pg_info_get(hw); 1269 break; 1270 case RSVD_PROBE_REQ: 1271 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; 1272 if (ssid) 1273 skb_new = ieee80211_probereq_get(hw, vif->addr, 1274 ssid->ssid, 1275 ssid->ssid_len, 0); 1276 else 1277 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); 1278 if (skb_new) 1279 rsvd_pkt->probe_req_size = (u16)skb_new->len; 1280 break; 1281 case RSVD_NLO_INFO: 1282 skb_new = rtw_nlo_info_get(hw); 1283 break; 1284 case RSVD_CH_INFO: 1285 skb_new = rtw_cs_channel_info_get(hw); 1286 break; 1287 default: 1288 return NULL; 1289 } 1290 1291 if (!skb_new) 1292 return NULL; 1293 1294 return skb_new; 1295 } 1296 1297 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 1298 enum rtw_rsvd_packet_type type) 1299 { 1300 struct rtw_tx_pkt_info pkt_info = {0}; 1301 const struct rtw_chip_info *chip = rtwdev->chip; 1302 u8 *pkt_desc; 1303 1304 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 1305 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 1306 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 1307 rtw_tx_fill_tx_desc(rtwdev, &pkt_info, skb); 1308 } 1309 1310 static inline u8 rtw_len_to_page(unsigned int len, u16 page_size) 1311 { 1312 return DIV_ROUND_UP(len, page_size); 1313 } 1314 1315 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u16 page_size, 1316 u16 page_margin, u32 page, u8 *buf, 1317 struct rtw_rsvd_page *rsvd_pkt) 1318 { 1319 struct sk_buff *skb = rsvd_pkt->skb; 1320 1321 if (page >= 1) 1322 memcpy(buf + page_margin + page_size * (page - 1), 1323 skb->data, skb->len); 1324 else 1325 memcpy(buf, skb->data, skb->len); 1326 } 1327 1328 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 1329 enum rtw_rsvd_packet_type type, 1330 bool txdesc) 1331 { 1332 struct rtw_rsvd_page *rsvd_pkt = NULL; 1333 1334 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); 1335 1336 if (!rsvd_pkt) 1337 return NULL; 1338 1339 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 1340 INIT_LIST_HEAD(&rsvd_pkt->build_list); 1341 rsvd_pkt->type = type; 1342 rsvd_pkt->add_txdesc = txdesc; 1343 1344 return rsvd_pkt; 1345 } 1346 1347 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 1348 struct rtw_vif *rtwvif, 1349 struct rtw_rsvd_page *rsvd_pkt) 1350 { 1351 lockdep_assert_held(&rtwdev->mutex); 1352 1353 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 1354 } 1355 1356 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 1357 struct rtw_vif *rtwvif, 1358 enum rtw_rsvd_packet_type type, 1359 bool txdesc) 1360 { 1361 struct rtw_rsvd_page *rsvd_pkt; 1362 1363 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1364 if (!rsvd_pkt) { 1365 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1366 return; 1367 } 1368 1369 rsvd_pkt->rtwvif = rtwvif; 1370 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1371 } 1372 1373 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1374 struct rtw_vif *rtwvif, 1375 struct cfg80211_ssid *ssid) 1376 { 1377 struct rtw_rsvd_page *rsvd_pkt; 1378 1379 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1380 if (!rsvd_pkt) { 1381 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1382 return; 1383 } 1384 1385 rsvd_pkt->rtwvif = rtwvif; 1386 rsvd_pkt->ssid = ssid; 1387 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1388 } 1389 1390 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1391 struct rtw_vif *rtwvif) 1392 { 1393 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1394 1395 lockdep_assert_held(&rtwdev->mutex); 1396 1397 /* remove all of the rsvd pages for vif */ 1398 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1399 vif_list) { 1400 list_del(&rsvd_pkt->vif_list); 1401 if (!list_empty(&rsvd_pkt->build_list)) 1402 list_del(&rsvd_pkt->build_list); 1403 kfree(rsvd_pkt); 1404 } 1405 } 1406 1407 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1408 struct rtw_vif *rtwvif) 1409 { 1410 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1411 1412 if (vif->type != NL80211_IFTYPE_AP && 1413 vif->type != NL80211_IFTYPE_ADHOC && 1414 vif->type != NL80211_IFTYPE_MESH_POINT) { 1415 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1416 vif->type); 1417 return; 1418 } 1419 1420 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1421 } 1422 1423 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1424 struct rtw_vif *rtwvif) 1425 { 1426 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1427 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1428 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1429 struct cfg80211_ssid *ssid; 1430 int i; 1431 1432 if (vif->type != NL80211_IFTYPE_STATION) { 1433 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1434 vif->type); 1435 return; 1436 } 1437 1438 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1439 ssid = &rtw_pno_req->match_sets[i].ssid; 1440 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1441 } 1442 1443 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1444 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1445 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1446 } 1447 1448 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1449 struct rtw_vif *rtwvif) 1450 { 1451 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1452 1453 if (vif->type != NL80211_IFTYPE_STATION) { 1454 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1455 vif->type); 1456 return; 1457 } 1458 1459 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1460 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1461 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1462 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1463 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1464 } 1465 1466 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1467 u8 *buf, u32 size) 1468 { 1469 u8 bckp[3]; 1470 u8 val; 1471 u16 rsvd_pg_head; 1472 u32 bcn_valid_addr; 1473 u32 bcn_valid_mask; 1474 int ret; 1475 1476 lockdep_assert_held(&rtwdev->mutex); 1477 1478 if (!size) 1479 return -EINVAL; 1480 1481 bckp[2] = rtw_read8(rtwdev, REG_BCN_CTRL); 1482 1483 if (rtw_chip_wcpu_8051(rtwdev)) { 1484 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1485 } else { 1486 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1487 pg_addr |= BIT_BCN_VALID_V1; 1488 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1489 } 1490 1491 val = rtw_read8(rtwdev, REG_CR + 1); 1492 bckp[0] = val; 1493 val |= BIT_ENSWBCN >> 8; 1494 rtw_write8(rtwdev, REG_CR + 1, val); 1495 1496 rtw_write8(rtwdev, REG_BCN_CTRL, 1497 (bckp[2] & ~BIT_EN_BCN_FUNCTION) | BIT_DIS_TSF_UDT); 1498 1499 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE) { 1500 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1501 bckp[1] = val; 1502 val &= ~(BIT_EN_BCNQ_DL >> 16); 1503 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1504 } 1505 1506 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1507 if (ret) { 1508 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1509 goto restore; 1510 } 1511 1512 if (rtw_chip_wcpu_8051(rtwdev)) { 1513 bcn_valid_addr = REG_DWBCN0_CTRL; 1514 bcn_valid_mask = BIT_BCN_VALID; 1515 } else { 1516 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1517 bcn_valid_mask = BIT_BCN_VALID_V1; 1518 } 1519 1520 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1521 rtw_err(rtwdev, "error beacon valid\n"); 1522 ret = -EBUSY; 1523 } 1524 1525 restore: 1526 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1527 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1528 rsvd_pg_head | BIT_BCN_VALID_V1); 1529 rtw_write8(rtwdev, REG_BCN_CTRL, bckp[2]); 1530 if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE) 1531 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1532 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1533 1534 return ret; 1535 } 1536 1537 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1538 { 1539 u32 pg_size; 1540 u32 pg_num = 0; 1541 u16 pg_addr = 0; 1542 1543 pg_size = rtwdev->chip->page_size; 1544 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1545 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1546 return -ENOMEM; 1547 1548 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1549 1550 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1551 } 1552 1553 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1554 { 1555 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1556 1557 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1558 build_list) { 1559 list_del_init(&rsvd_pkt->build_list); 1560 1561 /* Don't free except for the dummy rsvd page, 1562 * others will be freed when removing vif 1563 */ 1564 if (rsvd_pkt->type == RSVD_DUMMY) 1565 kfree(rsvd_pkt); 1566 } 1567 } 1568 1569 static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1570 struct ieee80211_vif *vif) 1571 { 1572 struct rtw_dev *rtwdev = data; 1573 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1574 struct rtw_rsvd_page *rsvd_pkt; 1575 1576 /* AP not yet started, don't gather its rsvd pages */ 1577 if (vif->type == NL80211_IFTYPE_AP && !rtwdev->ap_active) 1578 return; 1579 1580 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1581 if (rsvd_pkt->type == RSVD_BEACON) 1582 list_add(&rsvd_pkt->build_list, 1583 &rtwdev->rsvd_page_list); 1584 else 1585 list_add_tail(&rsvd_pkt->build_list, 1586 &rtwdev->rsvd_page_list); 1587 } 1588 } 1589 1590 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1591 { 1592 struct rtw_rsvd_page *rsvd_pkt; 1593 1594 __rtw_build_rsvd_page_reset(rtwdev); 1595 1596 /* gather rsvd page from vifs */ 1597 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1598 1599 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1600 struct rtw_rsvd_page, build_list); 1601 if (!rsvd_pkt) { 1602 WARN(1, "Should not have an empty reserved page\n"); 1603 return -EINVAL; 1604 } 1605 1606 /* the first rsvd should be beacon, otherwise add a dummy one */ 1607 if (rsvd_pkt->type != RSVD_BEACON) { 1608 struct rtw_rsvd_page *dummy_pkt; 1609 1610 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1611 if (!dummy_pkt) { 1612 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1613 return -ENOMEM; 1614 } 1615 1616 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1617 } 1618 1619 return 0; 1620 } 1621 1622 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1623 { 1624 const struct rtw_chip_info *chip = rtwdev->chip; 1625 struct ieee80211_hw *hw = rtwdev->hw; 1626 struct rtw_rsvd_page *rsvd_pkt; 1627 struct sk_buff *iter; 1628 u16 page_size, page_margin, tx_desc_sz; 1629 u8 total_page = 0; 1630 u32 page = 0; 1631 u8 *buf; 1632 int ret; 1633 1634 page_size = chip->page_size; 1635 tx_desc_sz = chip->tx_pkt_desc_sz; 1636 page_margin = page_size - tx_desc_sz; 1637 1638 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1639 if (ret) { 1640 rtw_err(rtwdev, 1641 "failed to build rsvd page from vifs, ret %d\n", ret); 1642 return NULL; 1643 } 1644 1645 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1646 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1647 if (!iter) { 1648 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1649 goto release_skb; 1650 } 1651 1652 /* Fill the tx_desc for the rsvd pkt that requires one. 1653 * And iter->len will be added with size of tx_desc_sz. 1654 */ 1655 if (rsvd_pkt->add_txdesc) 1656 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1657 1658 rsvd_pkt->skb = iter; 1659 rsvd_pkt->page = total_page; 1660 1661 /* Reserved page is downloaded via TX path, and TX path will 1662 * generate a tx_desc at the header to describe length of 1663 * the buffer. If we are not counting page numbers with the 1664 * size of tx_desc added at the first rsvd_pkt (usually a 1665 * beacon, firmware default refer to the first page as the 1666 * content of beacon), we could generate a buffer which size 1667 * is smaller than the actual size of the whole rsvd_page 1668 */ 1669 if (total_page == 0) { 1670 if (rsvd_pkt->type != RSVD_BEACON && 1671 rsvd_pkt->type != RSVD_DUMMY) { 1672 rtw_err(rtwdev, "first page should be a beacon\n"); 1673 goto release_skb; 1674 } 1675 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1676 page_size); 1677 } else { 1678 total_page += rtw_len_to_page(iter->len, page_size); 1679 } 1680 } 1681 1682 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1683 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1684 goto release_skb; 1685 } 1686 1687 *size = (total_page - 1) * page_size + page_margin; 1688 buf = kzalloc(*size, GFP_KERNEL); 1689 if (!buf) 1690 goto release_skb; 1691 1692 /* Copy the content of each rsvd_pkt to the buf, and they should 1693 * be aligned to the pages. 1694 * 1695 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1696 * And that rsvd_pkt does not require tx_desc because when it goes 1697 * through TX path, the TX path will generate one for it. 1698 */ 1699 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1700 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1701 page, buf, rsvd_pkt); 1702 if (page == 0) 1703 page += rtw_len_to_page(rsvd_pkt->skb->len + 1704 tx_desc_sz, page_size); 1705 else 1706 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1707 1708 kfree_skb(rsvd_pkt->skb); 1709 rsvd_pkt->skb = NULL; 1710 } 1711 1712 return buf; 1713 1714 release_skb: 1715 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1716 kfree_skb(rsvd_pkt->skb); 1717 rsvd_pkt->skb = NULL; 1718 } 1719 1720 return NULL; 1721 } 1722 1723 static int rtw_download_beacon(struct rtw_dev *rtwdev) 1724 { 1725 struct ieee80211_hw *hw = rtwdev->hw; 1726 struct rtw_rsvd_page *rsvd_pkt; 1727 struct sk_buff *skb; 1728 int ret = 0; 1729 1730 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1731 struct rtw_rsvd_page, build_list); 1732 if (!rsvd_pkt) { 1733 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1734 return -ENOENT; 1735 } 1736 1737 if (rsvd_pkt->type != RSVD_BEACON && 1738 rsvd_pkt->type != RSVD_DUMMY) { 1739 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1740 rsvd_pkt->type); 1741 return -EINVAL; 1742 } 1743 1744 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1745 if (!skb) { 1746 rtw_err(rtwdev, "failed to get beacon skb\n"); 1747 return -ENOMEM; 1748 } 1749 1750 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1751 if (ret) 1752 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1753 1754 dev_kfree_skb(skb); 1755 1756 return ret; 1757 } 1758 1759 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1760 { 1761 u8 *buf; 1762 u32 size; 1763 int ret; 1764 1765 buf = rtw_build_rsvd_page(rtwdev, &size); 1766 if (!buf) { 1767 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1768 return -ENOMEM; 1769 } 1770 1771 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1772 if (ret) { 1773 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1774 goto free; 1775 } 1776 1777 /* The last thing is to download the *ONLY* beacon again, because 1778 * the previous tx_desc is to describe the total rsvd page. Download 1779 * the beacon again to replace the TX desc header, and we will get 1780 * a correct tx_desc for the beacon in the rsvd page. 1781 */ 1782 ret = rtw_download_beacon(rtwdev); 1783 if (ret) { 1784 rtw_err(rtwdev, "failed to download beacon\n"); 1785 goto free; 1786 } 1787 1788 free: 1789 kfree(buf); 1790 1791 return ret; 1792 } 1793 1794 void rtw_fw_update_beacon_work(struct work_struct *work) 1795 { 1796 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, 1797 update_beacon_work); 1798 1799 mutex_lock(&rtwdev->mutex); 1800 rtw_fw_download_rsvd_page(rtwdev); 1801 rtw_send_rsvd_page_h2c(rtwdev); 1802 mutex_unlock(&rtwdev->mutex); 1803 } 1804 1805 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1806 u32 *buf, u32 residue, u16 start_pg) 1807 { 1808 u32 i; 1809 u16 idx = 0; 1810 u16 ctl; 1811 1812 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1813 /* disable rx clock gate */ 1814 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 1815 1816 do { 1817 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); 1818 1819 for (i = FIFO_DUMP_ADDR + residue; 1820 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { 1821 buf[idx++] = rtw_read32(rtwdev, i); 1822 size -= 4; 1823 if (size == 0) 1824 goto out; 1825 } 1826 1827 residue = 0; 1828 start_pg++; 1829 } while (size); 1830 1831 out: 1832 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1833 /* restore rx clock gate */ 1834 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1835 } 1836 1837 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1838 u32 offset, u32 size, u32 *buf) 1839 { 1840 const struct rtw_chip_info *chip = rtwdev->chip; 1841 u32 start_pg, residue; 1842 1843 if (sel >= RTW_FW_FIFO_MAX) { 1844 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1845 return; 1846 } 1847 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1848 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1849 residue = offset & (FIFO_PAGE_SIZE - 1); 1850 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1851 1852 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1853 } 1854 1855 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1856 enum rtw_fw_fifo_sel sel, 1857 u32 start_addr, u32 size) 1858 { 1859 switch (sel) { 1860 case RTW_FW_FIFO_SEL_TX: 1861 case RTW_FW_FIFO_SEL_RX: 1862 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1863 return false; 1864 fallthrough; 1865 default: 1866 return true; 1867 } 1868 } 1869 1870 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1871 u32 *buffer) 1872 { 1873 if (!rtwdev->chip->fw_fifo_addr[0]) { 1874 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1875 return -ENOTSUPP; 1876 } 1877 1878 if (size == 0 || !buffer) 1879 return -EINVAL; 1880 1881 if (size & 0x3) { 1882 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1883 return -EINVAL; 1884 } 1885 1886 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1887 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1888 return -EINVAL; 1889 } 1890 1891 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1892 1893 return 0; 1894 } 1895 1896 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1897 u8 location) 1898 { 1899 const struct rtw_chip_info *chip = rtwdev->chip; 1900 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1901 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1902 1903 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1904 1905 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1906 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1907 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1908 1909 /* include txdesc size */ 1910 size += chip->tx_pkt_desc_sz; 1911 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1912 1913 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1914 } 1915 1916 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1917 struct cfg80211_ssid *ssid) 1918 { 1919 u8 loc; 1920 u16 size; 1921 1922 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1923 if (!loc) { 1924 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1925 return; 1926 } 1927 1928 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1929 if (!size) { 1930 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1931 return; 1932 } 1933 1934 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1935 } 1936 1937 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1938 { 1939 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1940 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1941 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1942 u8 loc_ch_info; 1943 const struct rtw_ch_switch_option cs_option = { 1944 .dest_ch_en = 1, 1945 .dest_ch = 1, 1946 .periodic_option = 2, 1947 .normal_period = 5, 1948 .normal_period_sel = 0, 1949 .normal_cycle = 10, 1950 .slow_period = 1, 1951 .slow_period_sel = 1, 1952 }; 1953 1954 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1955 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1956 1957 CH_SWITCH_SET_START(h2c_pkt, enable); 1958 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1959 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1960 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1961 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1962 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1963 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1964 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1965 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1966 1967 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1968 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1969 1970 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1971 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1972 1973 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1974 } 1975 1976 void rtw_fw_adaptivity(struct rtw_dev *rtwdev) 1977 { 1978 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1979 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1980 1981 if (!rtw_edcca_enabled) { 1982 dm_info->edcca_mode = RTW_EDCCA_NORMAL; 1983 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 1984 "EDCCA disabled by debugfs\n"); 1985 } 1986 1987 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); 1988 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); 1989 SET_ADAPTIVITY_OPTION(h2c_pkt, 1); 1990 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); 1991 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); 1992 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); 1993 1994 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1995 } 1996 1997 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 1998 { 1999 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 2000 2001 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN); 2002 SET_SCAN_START(h2c_pkt, start); 2003 2004 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 2005 } 2006 2007 static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb, 2008 struct sk_buff_head *list, u8 *bands, 2009 struct rtw_vif *rtwvif) 2010 { 2011 const struct rtw_chip_info *chip = rtwdev->chip; 2012 struct ieee80211_scan_ies *ies = rtwvif->scan_ies; 2013 struct sk_buff *new; 2014 u8 idx; 2015 2016 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) { 2017 if (!(BIT(idx) & chip->band)) 2018 continue; 2019 new = skb_copy(skb, GFP_KERNEL); 2020 if (!new) 2021 return -ENOMEM; 2022 skb_put_data(new, ies->ies[idx], ies->len[idx]); 2023 skb_put_data(new, ies->common_ies, ies->common_ie_len); 2024 skb_queue_tail(list, new); 2025 (*bands)++; 2026 } 2027 2028 return 0; 2029 } 2030 2031 static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes, 2032 struct sk_buff_head *probe_req_list) 2033 { 2034 const struct rtw_chip_info *chip = rtwdev->chip; 2035 struct sk_buff *skb, *tmp; 2036 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc; 2037 u8 tx_desc_sz = chip->tx_pkt_desc_sz; 2038 u16 page_size = chip->page_size; 2039 u8 page_offset = 1, *buf; 2040 u16 buf_offset = page_size * page_offset; 2041 unsigned int pkt_len; 2042 u8 page_cnt, pages; 2043 int ret; 2044 2045 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM)) 2046 page_cnt = RTW_OLD_PROBE_PG_CNT; 2047 else 2048 page_cnt = RTW_PROBE_PG_CNT; 2049 2050 pages = page_offset + num_probes * page_cnt; 2051 2052 buf = kzalloc(page_size * pages, GFP_KERNEL); 2053 if (!buf) 2054 return -ENOMEM; 2055 2056 buf_offset -= tx_desc_sz; 2057 skb_queue_walk_safe(probe_req_list, skb, tmp) { 2058 skb_unlink(skb, probe_req_list); 2059 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ); 2060 if (skb->len > page_size * page_cnt) { 2061 ret = -EINVAL; 2062 goto out; 2063 } 2064 2065 memcpy(buf + buf_offset, skb->data, skb->len); 2066 pkt_len = skb->len - tx_desc_sz; 2067 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset; 2068 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc); 2069 2070 buf_offset += page_cnt * page_size; 2071 page_offset += page_cnt; 2072 kfree_skb(skb); 2073 } 2074 2075 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset); 2076 if (ret) { 2077 rtw_err(rtwdev, "Download probe request to firmware failed\n"); 2078 goto out; 2079 } 2080 2081 rtwdev->scan_info.probe_pg_size = page_offset; 2082 out: 2083 kfree(buf); 2084 skb_queue_walk_safe(probe_req_list, skb, tmp) 2085 kfree_skb(skb); 2086 2087 return ret; 2088 } 2089 2090 static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, 2091 struct rtw_vif *rtwvif) 2092 { 2093 struct cfg80211_scan_request *req = rtwvif->scan_req; 2094 struct sk_buff_head list; 2095 struct sk_buff *skb, *tmp; 2096 u8 num = req->n_ssids, i, bands = 0; 2097 int ret; 2098 2099 skb_queue_head_init(&list); 2100 for (i = 0; i < num; i++) { 2101 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr, 2102 req->ssids[i].ssid, 2103 req->ssids[i].ssid_len, 2104 req->ie_len); 2105 if (!skb) { 2106 ret = -ENOMEM; 2107 goto out; 2108 } 2109 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands, 2110 rtwvif); 2111 if (ret) 2112 goto out; 2113 2114 kfree_skb(skb); 2115 } 2116 2117 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list); 2118 2119 out: 2120 skb_queue_walk_safe(&list, skb, tmp) 2121 kfree_skb(skb); 2122 2123 return ret; 2124 } 2125 2126 static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info, 2127 struct rtw_chan_list *list, u8 *buf) 2128 { 2129 u8 *chan = &buf[list->size]; 2130 u8 info_size = RTW_CH_INFO_SIZE; 2131 2132 if (list->size > list->buf_size) 2133 return -ENOMEM; 2134 2135 CH_INFO_SET_CH(chan, info->channel); 2136 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx); 2137 CH_INFO_SET_BW(chan, info->bw); 2138 CH_INFO_SET_TIMEOUT(chan, info->timeout); 2139 CH_INFO_SET_ACTION_ID(chan, info->action_id); 2140 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info); 2141 if (info->extra_info) { 2142 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS); 2143 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN); 2144 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE - 2145 RTW_EX_CH_INFO_HDR_SIZE); 2146 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME); 2147 info_size += RTW_EX_CH_INFO_SIZE; 2148 } 2149 list->size += info_size; 2150 list->ch_num++; 2151 2152 return 0; 2153 } 2154 2155 static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2156 struct rtw_chan_list *list, u8 *buf) 2157 { 2158 struct cfg80211_scan_request *req = rtwvif->scan_req; 2159 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2160 struct ieee80211_channel *channel; 2161 int i, ret = 0; 2162 2163 for (i = 0; i < req->n_channels; i++) { 2164 struct rtw_chan_info ch_info = {0}; 2165 2166 channel = req->channels[i]; 2167 ch_info.channel = channel->hw_value; 2168 ch_info.bw = RTW_SCAN_WIDTH; 2169 ch_info.pri_ch_idx = RTW_PRI_CH_IDX; 2170 ch_info.timeout = req->duration_mandatory ? 2171 req->duration : RTW_CHANNEL_TIME; 2172 2173 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) { 2174 ch_info.action_id = RTW_CHANNEL_RADAR; 2175 ch_info.extra_info = 1; 2176 /* Overwrite duration for passive scans if necessary */ 2177 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ? 2178 ch_info.timeout : RTW_PASS_CHAN_TIME; 2179 } else { 2180 ch_info.action_id = RTW_CHANNEL_ACTIVE; 2181 } 2182 2183 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf); 2184 if (ret) 2185 return ret; 2186 } 2187 2188 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) { 2189 rtw_err(rtwdev, "List exceeds rsvd page total size\n"); 2190 return -EINVAL; 2191 } 2192 2193 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size; 2194 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size); 2195 if (ret) 2196 rtw_err(rtwdev, "Download channel list failed\n"); 2197 2198 return ret; 2199 } 2200 2201 static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev, 2202 struct rtw_ch_switch_option *opt, 2203 struct rtw_vif *rtwvif, 2204 struct rtw_chan_list *list) 2205 { 2206 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2207 struct cfg80211_scan_request *req = rtwvif->scan_req; 2208 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2209 /* reserve one dummy page at the beginning for tx descriptor */ 2210 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1; 2211 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN; 2212 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 2213 2214 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD); 2215 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN); 2216 2217 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en); 2218 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en); 2219 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq); 2220 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck); 2221 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num); 2222 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size); 2223 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary); 2224 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan); 2225 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx); 2226 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw); 2227 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port); 2228 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ? 2229 req->duration : RTW_CHANNEL_TIME); 2230 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME); 2231 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids); 2232 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc); 2233 2234 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 2235 } 2236 2237 void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2238 struct ieee80211_scan_request *scan_req) 2239 { 2240 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 2241 struct cfg80211_scan_request *req = &scan_req->req; 2242 u8 mac_addr[ETH_ALEN]; 2243 2244 rtwdev->scan_info.scanning_vif = vif; 2245 rtwvif->scan_ies = &scan_req->ies; 2246 rtwvif->scan_req = req; 2247 2248 ieee80211_stop_queues(rtwdev->hw); 2249 rtw_leave_lps_deep(rtwdev); 2250 rtw_hci_flush_all_queues(rtwdev, false); 2251 rtw_mac_flush_all_queues(rtwdev, false); 2252 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) 2253 get_random_mask_addr(mac_addr, req->mac_addr, 2254 req->mac_addr_mask); 2255 else 2256 ether_addr_copy(mac_addr, vif->addr); 2257 2258 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true); 2259 2260 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN; 2261 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2262 } 2263 2264 void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2265 bool aborted) 2266 { 2267 struct cfg80211_scan_info info = { 2268 .aborted = aborted, 2269 }; 2270 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2271 struct rtw_hal *hal = &rtwdev->hal; 2272 struct rtw_vif *rtwvif; 2273 u8 chan = scan_info->op_chan; 2274 2275 if (!vif) 2276 return; 2277 2278 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 2279 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2280 2281 rtw_core_scan_complete(rtwdev, vif, true); 2282 2283 rtwvif = (struct rtw_vif *)vif->drv_priv; 2284 if (chan) 2285 rtw_store_op_chan(rtwdev, false); 2286 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel); 2287 ieee80211_wake_queues(rtwdev->hw); 2288 ieee80211_scan_completed(rtwdev->hw, &info); 2289 2290 rtwvif->scan_req = NULL; 2291 rtwvif->scan_ies = NULL; 2292 rtwdev->scan_info.scanning_vif = NULL; 2293 } 2294 2295 static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2296 struct rtw_chan_list *list) 2297 { 2298 struct cfg80211_scan_request *req = rtwvif->scan_req; 2299 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE); 2300 u8 *buf; 2301 int ret; 2302 2303 buf = kmalloc(size, GFP_KERNEL); 2304 if (!buf) 2305 return -ENOMEM; 2306 2307 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif); 2308 if (ret) { 2309 rtw_err(rtwdev, "Update probe request failed\n"); 2310 goto out; 2311 } 2312 2313 list->buf_size = size; 2314 list->size = 0; 2315 list->ch_num = 0; 2316 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf); 2317 out: 2318 kfree(buf); 2319 2320 return ret; 2321 } 2322 2323 int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2324 bool enable) 2325 { 2326 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL; 2327 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2328 struct rtw_ch_switch_option cs_option = {0}; 2329 struct rtw_chan_list chan_list = {0}; 2330 int ret = 0; 2331 2332 if (!rtwvif) 2333 return -EINVAL; 2334 2335 cs_option.switch_en = enable; 2336 cs_option.back_op_en = scan_info->op_chan != 0; 2337 if (enable) { 2338 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list); 2339 if (ret) 2340 goto out; 2341 } 2342 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list); 2343 out: 2344 if (rtwdev->ap_active) { 2345 ret = rtw_download_beacon(rtwdev); 2346 if (ret) 2347 rtw_err(rtwdev, "HW scan download beacon failed\n"); 2348 } 2349 2350 return ret; 2351 } 2352 2353 void rtw_hw_scan_abort(struct rtw_dev *rtwdev) 2354 { 2355 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2356 2357 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 2358 return; 2359 2360 rtw_hw_scan_offload(rtwdev, vif, false); 2361 rtw_hw_scan_complete(rtwdev, vif, true); 2362 } 2363 2364 void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb) 2365 { 2366 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2367 struct rtw_c2h_cmd *c2h; 2368 bool aborted; 2369 u8 rc; 2370 2371 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2372 return; 2373 2374 c2h = get_c2h_from_skb(skb); 2375 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload); 2376 aborted = rc != RTW_SCAN_REPORT_SUCCESS; 2377 rtw_hw_scan_complete(rtwdev, vif, aborted); 2378 2379 if (aborted) 2380 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc); 2381 } 2382 2383 void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup) 2384 { 2385 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2386 struct rtw_hal *hal = &rtwdev->hal; 2387 u8 band; 2388 2389 if (backup) { 2390 scan_info->op_chan = hal->current_channel; 2391 scan_info->op_bw = hal->current_band_width; 2392 scan_info->op_pri_ch_idx = hal->current_primary_channel_index; 2393 scan_info->op_pri_ch = hal->primary_channel; 2394 } else { 2395 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2396 rtw_update_channel(rtwdev, scan_info->op_chan, 2397 scan_info->op_pri_ch, 2398 band, scan_info->op_bw); 2399 } 2400 } 2401 2402 void rtw_clear_op_chan(struct rtw_dev *rtwdev) 2403 { 2404 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2405 2406 scan_info->op_chan = 0; 2407 scan_info->op_bw = 0; 2408 scan_info->op_pri_ch_idx = 0; 2409 scan_info->op_pri_ch = 0; 2410 } 2411 2412 static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel) 2413 { 2414 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2415 2416 return channel == scan_info->op_chan; 2417 } 2418 2419 void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb) 2420 { 2421 struct rtw_hal *hal = &rtwdev->hal; 2422 struct rtw_c2h_cmd *c2h; 2423 enum rtw_scan_notify_id id; 2424 u8 chan, band, status; 2425 2426 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2427 return; 2428 2429 c2h = get_c2h_from_skb(skb); 2430 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload); 2431 id = GET_CHAN_SWITCH_ID(c2h->payload); 2432 status = GET_CHAN_SWITCH_STATUS(c2h->payload); 2433 2434 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) { 2435 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2436 rtw_update_channel(rtwdev, chan, chan, band, 2437 RTW_CHANNEL_WIDTH_20); 2438 if (rtw_is_op_chan(rtwdev, chan)) { 2439 rtw_store_op_chan(rtwdev, false); 2440 ieee80211_wake_queues(rtwdev->hw); 2441 rtw_core_enable_beacon(rtwdev, true); 2442 } 2443 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) { 2444 if (IS_CH_5G_BAND(chan)) { 2445 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); 2446 } else if (IS_CH_2G_BAND(chan)) { 2447 u8 chan_type; 2448 2449 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2450 chan_type = COEX_SWITCH_TO_24G; 2451 else 2452 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN; 2453 rtw_coex_switchband_notify(rtwdev, chan_type); 2454 } 2455 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next 2456 * channel that hardware will switch. We need to stop queue 2457 * if next channel is non-op channel. 2458 */ 2459 if (!rtw_is_op_chan(rtwdev, chan) && 2460 rtw_is_op_chan(rtwdev, hal->current_channel)) { 2461 rtw_core_enable_beacon(rtwdev, false); 2462 ieee80211_stop_queues(rtwdev->hw); 2463 } 2464 } 2465 2466 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, 2467 "Chan switch: %x, id: %x, status: %x\n", chan, id, status); 2468 } 2469