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 20static 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 40static 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 50static 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 62static 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 78void 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 93static 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 117static 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 139struct rtw_fw_iter_ra_data { 140 struct rtw_dev *rtwdev; 141 u8 *payload; 142}; 143 144static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta) 145{ 146 struct rtw_fw_iter_ra_data *ra_data = data; 147 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 148 u8 mac_id, rate, sgi, bw; 149 u8 mcs, nss; 150 u32 bit_rate; 151 152 mac_id = GET_RA_REPORT_MACID(ra_data->payload); 153 if (si->mac_id != mac_id) 154 return; 155 156 si->ra_report.txrate.flags = 0; 157 158 rate = GET_RA_REPORT_RATE(ra_data->payload); 159 sgi = GET_RA_REPORT_SGI(ra_data->payload); 160 bw = GET_RA_REPORT_BW(ra_data->payload); 161 162 if (rate < DESC_RATEMCS0) { 163 si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate); 164 goto legacy; 165 } 166 167 rtw_desc_to_mcsrate(rate, &mcs, &nss); 168 if (rate >= DESC_RATEVHT1SS_MCS0) 169 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS; 170 else if (rate >= DESC_RATEMCS0) 171 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS; 172 173 if (rate >= DESC_RATEMCS0) { 174 si->ra_report.txrate.mcs = mcs; 175 si->ra_report.txrate.nss = nss; 176 } 177 178 if (sgi) 179 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 180 181 if (bw == RTW_CHANNEL_WIDTH_80) 182 si->ra_report.txrate.bw = RATE_INFO_BW_80; 183 else if (bw == RTW_CHANNEL_WIDTH_40) 184 si->ra_report.txrate.bw = RATE_INFO_BW_40; 185 else 186 si->ra_report.txrate.bw = RATE_INFO_BW_20; 187 188legacy: 189 bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate); 190 191 si->ra_report.desc_rate = rate; 192 si->ra_report.bit_rate = bit_rate; 193 194 sta->deflink.agg.max_rc_amsdu_len = get_max_amsdu_len(bit_rate); 195} 196 197static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload, 198 u8 length) 199{ 200 struct rtw_fw_iter_ra_data ra_data; 201 202 if (WARN(length < 7, "invalid ra report c2h length\n")) 203 return; 204 205 rtwdev->dm_info.tx_rate = GET_RA_REPORT_RATE(payload); 206 ra_data.rtwdev = rtwdev; 207 ra_data.payload = payload; 208 rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data); 209} 210 211struct rtw_beacon_filter_iter_data { 212 struct rtw_dev *rtwdev; 213 u8 *payload; 214}; 215 216static void rtw_fw_bcn_filter_notify_vif_iter(void *data, 217 struct ieee80211_vif *vif) 218{ 219 struct rtw_beacon_filter_iter_data *iter_data = data; 220 struct rtw_dev *rtwdev = iter_data->rtwdev; 221 u8 *payload = iter_data->payload; 222 u8 type = GET_BCN_FILTER_NOTIFY_TYPE(payload); 223 u8 event = GET_BCN_FILTER_NOTIFY_EVENT(payload); 224 s8 sig = (s8)GET_BCN_FILTER_NOTIFY_RSSI(payload); 225 226 switch (type) { 227 case BCN_FILTER_NOTIFY_SIGNAL_CHANGE: 228 event = event ? NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH : 229 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; 230 ieee80211_cqm_rssi_notify(vif, event, sig, GFP_KERNEL); 231 break; 232 case BCN_FILTER_CONNECTION_LOSS: 233 ieee80211_connection_loss(vif); 234 break; 235 case BCN_FILTER_CONNECTED: 236 rtwdev->beacon_loss = false; 237 break; 238 case BCN_FILTER_NOTIFY_BEACON_LOSS: 239 rtwdev->beacon_loss = true; 240 rtw_leave_lps(rtwdev); 241 break; 242 } 243} 244 245static void rtw_fw_bcn_filter_notify(struct rtw_dev *rtwdev, u8 *payload, 246 u8 length) 247{ 248 struct rtw_beacon_filter_iter_data dev_iter_data; 249 250 dev_iter_data.rtwdev = rtwdev; 251 dev_iter_data.payload = payload; 252 rtw_iterate_vifs(rtwdev, rtw_fw_bcn_filter_notify_vif_iter, 253 &dev_iter_data); 254} 255 256static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload, 257 u8 length) 258{ 259 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 260 261 dm_info->scan_density = payload[0]; 262 263 rtw_dbg(rtwdev, RTW_DBG_FW, "scan.density = %x\n", 264 dm_info->scan_density); 265} 266 267static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload, 268 u8 length) 269{ 270 struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th; 271 struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload; 272 273 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 274 "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n", 275 result->density, result->igi, result->l2h_th_init, result->l2h, 276 result->h2l, result->option); 277 278 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n", 279 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr, 280 edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask), 281 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr, 282 edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask)); 283 284 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n", 285 rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ? 286 "Set" : "Unset"); 287} 288 289void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb) 290{ 291 struct rtw_c2h_cmd *c2h; 292 u32 pkt_offset; 293 u8 len; 294 295 pkt_offset = *((u32 *)skb->cb); 296 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 297 len = skb->len - pkt_offset - 2; 298 299 mutex_lock(&rtwdev->mutex); 300 301 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 302 goto unlock; 303 304 switch (c2h->id) { 305 case C2H_CCX_TX_RPT: 306 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT); 307 break; 308 case C2H_BT_INFO: 309 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len); 310 break; 311 case C2H_BT_HID_INFO: 312 rtw_coex_bt_hid_info_notify(rtwdev, c2h->payload, len); 313 break; 314 case C2H_WLAN_INFO: 315 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len); 316 break; 317 case C2H_BCN_FILTER_NOTIFY: 318 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len); 319 break; 320 case C2H_HALMAC: 321 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb); 322 break; 323 case C2H_RA_RPT: 324 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len); 325 break; 326 default: 327 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id); 328 break; 329 } 330 331unlock: 332 mutex_unlock(&rtwdev->mutex); 333} 334 335void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, 336 struct sk_buff *skb) 337{ 338 struct rtw_c2h_cmd *c2h; 339 u8 len; 340 341 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 342 len = skb->len - pkt_offset - 2; 343 *((u32 *)skb->cb) = pkt_offset; 344 345 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", 346 c2h->id, c2h->seq, len); 347 348 switch (c2h->id) { 349 case C2H_BT_MP_INFO: 350 rtw_coex_info_response(rtwdev, skb); 351 break; 352 case C2H_WLAN_RFON: 353 complete(&rtwdev->lps_leave_check); 354 dev_kfree_skb_any(skb); 355 break; 356 case C2H_SCAN_RESULT: 357 complete(&rtwdev->fw_scan_density); 358 rtw_fw_scan_result(rtwdev, c2h->payload, len); 359 dev_kfree_skb_any(skb); 360 break; 361 case C2H_ADAPTIVITY: 362 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len); 363 dev_kfree_skb_any(skb); 364 break; 365 default: 366 /* pass offset for further operation */ 367 *((u32 *)skb->cb) = pkt_offset; 368 skb_queue_tail(&rtwdev->c2h_queue, skb); 369 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); 370 break; 371 } 372} 373EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); 374 375void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev) 376{ 377 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER) 378 rtw_fw_recovery(rtwdev); 379 else 380 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n"); 381} 382EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); 383 384static void rtw_fw_send_h2c_command_register(struct rtw_dev *rtwdev, 385 struct rtw_h2c_register *h2c) 386{ 387 u32 box_reg, box_ex_reg; 388 u8 box_state, box; 389 int ret; 390 391 rtw_dbg(rtwdev, RTW_DBG_FW, "send H2C content %08x %08x\n", h2c->w0, 392 h2c->w1); 393 394 lockdep_assert_held(&rtwdev->mutex); 395 396 box = rtwdev->h2c.last_box_num; 397 switch (box) { 398 case 0: 399 box_reg = REG_HMEBOX0; 400 box_ex_reg = REG_HMEBOX0_EX; 401 break; 402 case 1: 403 box_reg = REG_HMEBOX1; 404 box_ex_reg = REG_HMEBOX1_EX; 405 break; 406 case 2: 407 box_reg = REG_HMEBOX2; 408 box_ex_reg = REG_HMEBOX2_EX; 409 break; 410 case 3: 411 box_reg = REG_HMEBOX3; 412 box_ex_reg = REG_HMEBOX3_EX; 413 break; 414 default: 415 WARN(1, "invalid h2c mail box number\n"); 416 return; 417 } 418 419 ret = read_poll_timeout_atomic(rtw_read8, box_state, 420 !((box_state >> box) & 0x1), 100, 3000, 421 false, rtwdev, REG_HMETFR); 422 423 if (ret) { 424 rtw_err(rtwdev, "failed to send h2c command\n"); 425 rtw_fw_dump_dbg_info(rtwdev); 426 return; 427 } 428 429 rtw_write32(rtwdev, box_ex_reg, h2c->w1); 430 rtw_write32(rtwdev, box_reg, h2c->w0); 431 432 if (++rtwdev->h2c.last_box_num >= 4) 433 rtwdev->h2c.last_box_num = 0; 434} 435 436static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, 437 u8 *h2c) 438{ 439 struct rtw_h2c_cmd *h2c_cmd = (struct rtw_h2c_cmd *)h2c; 440 u8 box; 441 u8 box_state; 442 u32 box_reg, box_ex_reg; 443 int ret; 444 445 rtw_dbg(rtwdev, RTW_DBG_FW, 446 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n", 447 h2c[3], h2c[2], h2c[1], h2c[0], 448 h2c[7], h2c[6], h2c[5], h2c[4]); 449 450 lockdep_assert_held(&rtwdev->mutex); 451 452 box = rtwdev->h2c.last_box_num; 453 switch (box) { 454 case 0: 455 box_reg = REG_HMEBOX0; 456 box_ex_reg = REG_HMEBOX0_EX; 457 break; 458 case 1: 459 box_reg = REG_HMEBOX1; 460 box_ex_reg = REG_HMEBOX1_EX; 461 break; 462 case 2: 463 box_reg = REG_HMEBOX2; 464 box_ex_reg = REG_HMEBOX2_EX; 465 break; 466 case 3: 467 box_reg = REG_HMEBOX3; 468 box_ex_reg = REG_HMEBOX3_EX; 469 break; 470 default: 471 WARN(1, "invalid h2c mail box number\n"); 472 return; 473 } 474 475 ret = read_poll_timeout_atomic(rtw_read8, box_state, 476 !((box_state >> box) & 0x1), 100, 3000, 477 false, rtwdev, REG_HMETFR); 478 479 if (ret) { 480 rtw_err(rtwdev, "failed to send h2c command\n"); 481 return; 482 } 483 484 rtw_write32(rtwdev, box_ex_reg, le32_to_cpu(h2c_cmd->msg_ext)); 485 rtw_write32(rtwdev, box_reg, le32_to_cpu(h2c_cmd->msg)); 486 487 if (++rtwdev->h2c.last_box_num >= 4) 488 rtwdev->h2c.last_box_num = 0; 489} 490 491void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) 492{ 493 rtw_fw_send_h2c_command(rtwdev, h2c); 494} 495 496static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) 497{ 498 int ret; 499 500 lockdep_assert_held(&rtwdev->mutex); 501 502 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq); 503 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE); 504 if (ret) 505 rtw_err(rtwdev, "failed to send h2c packet\n"); 506 rtwdev->h2c.seq++; 507} 508 509void 510rtw_fw_send_general_info(struct rtw_dev *rtwdev) 511{ 512 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 513 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 514 u16 total_size = H2C_PKT_HDR_SIZE + 4; 515 516 if (rtw_chip_wcpu_11n(rtwdev)) 517 return; 518 519 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO); 520 521 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 522 523 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt, 524 fifo->rsvd_fw_txbuf_addr - 525 fifo->rsvd_boundary); 526 527 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 528} 529 530void 531rtw_fw_send_phydm_info(struct rtw_dev *rtwdev) 532{ 533 struct rtw_hal *hal = &rtwdev->hal; 534 struct rtw_efuse *efuse = &rtwdev->efuse; 535 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 536 u16 total_size = H2C_PKT_HDR_SIZE + 8; 537 u8 fw_rf_type = 0; 538 539 if (rtw_chip_wcpu_11n(rtwdev)) 540 return; 541 542 if (hal->rf_type == RF_1T1R) 543 fw_rf_type = FW_RF_1T1R; 544 else if (hal->rf_type == RF_2T2R) 545 fw_rf_type = FW_RF_2T2R; 546 547 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO); 548 549 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 550 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option); 551 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type); 552 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version); 553 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx); 554 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx); 555 556 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 557} 558 559void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para) 560{ 561 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 562 u16 total_size = H2C_PKT_HDR_SIZE + 1; 563 564 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK); 565 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 566 IQK_SET_CLEAR(h2c_pkt, para->clear); 567 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk); 568 569 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 570} 571EXPORT_SYMBOL(rtw_fw_do_iqk); 572 573void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start) 574{ 575 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 576 577 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION); 578 579 RFK_SET_INFORM_START(h2c_pkt, start); 580 581 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 582} 583EXPORT_SYMBOL(rtw_fw_inform_rfk_status); 584 585void rtw_fw_query_bt_info(struct rtw_dev *rtwdev) 586{ 587 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 588 589 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO); 590 591 SET_QUERY_BT_INFO(h2c_pkt, true); 592 593 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 594} 595 596void rtw_fw_default_port(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif) 597{ 598 struct rtw_h2c_register h2c = {}; 599 600 if (rtwvif->net_type != RTW_NET_MGD_LINKED) 601 return; 602 603 /* Leave LPS before default port H2C so FW timer is correct */ 604 rtw_leave_lps(rtwdev); 605 606 h2c.w0 = u32_encode_bits(H2C_CMD_DEFAULT_PORT, RTW_H2C_W0_CMDID) | 607 u32_encode_bits(rtwvif->port, RTW_H2C_DEFAULT_PORT_W0_PORTID) | 608 u32_encode_bits(rtwvif->mac_id, RTW_H2C_DEFAULT_PORT_W0_MACID); 609 610 rtw_fw_send_h2c_command_register(rtwdev, &h2c); 611} 612 613void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw) 614{ 615 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 616 617 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO); 618 619 SET_WL_CH_INFO_LINK(h2c_pkt, link); 620 SET_WL_CH_INFO_CHNL(h2c_pkt, ch); 621 SET_WL_CH_INFO_BW(h2c_pkt, bw); 622 623 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 624} 625 626void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev, 627 struct rtw_coex_info_req *req) 628{ 629 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 630 631 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO); 632 633 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq); 634 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code); 635 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1); 636 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2); 637 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3); 638 639 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 640} 641 642void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl) 643{ 644 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 645 u8 index = 0 - bt_pwr_dec_lvl; 646 647 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER); 648 649 SET_BT_TX_POWER_INDEX(h2c_pkt, index); 650 651 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 652} 653 654void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable) 655{ 656 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 657 658 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION); 659 660 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable); 661 662 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 663} 664 665void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev, 666 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5) 667{ 668 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 669 670 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE); 671 672 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1); 673 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2); 674 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3); 675 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4); 676 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5); 677 678 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 679} 680 681void rtw_fw_coex_query_hid_info(struct rtw_dev *rtwdev, u8 sub_id, u8 data) 682{ 683 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 684 685 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_HID_INFO); 686 687 SET_COEX_QUERY_HID_INFO_SUBID(h2c_pkt, sub_id); 688 SET_COEX_QUERY_HID_INFO_DATA1(h2c_pkt, data); 689 690 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 691} 692 693void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) 694{ 695 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 696 697 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL); 698 699 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code); 700 701 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); 702 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); 703 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2)); 704 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3)); 705 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); 706 707 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 708} 709 710void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) 711{ 712 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 713 u8 rssi = ewma_rssi_read(&si->avg_rssi); 714 bool stbc_en = si->stbc_en ? true : false; 715 716 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR); 717 718 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id); 719 SET_RSSI_INFO_RSSI(h2c_pkt, rssi); 720 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en); 721 722 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 723} 724 725void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si, 726 bool reset_ra_mask) 727{ 728 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 729 bool disable_pt = true; 730 731 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO); 732 733 SET_RA_INFO_MACID(h2c_pkt, si->mac_id); 734 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id); 735 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv); 736 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable); 737 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode); 738 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en); 739 SET_RA_INFO_NO_UPDATE(h2c_pkt, !reset_ra_mask); 740 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable); 741 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt); 742 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff)); 743 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8); 744 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16); 745 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24); 746 747 si->init_ra_lv = 0; 748 749 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 750} 751 752void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) 753{ 754 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 755 756 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT); 757 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect); 758 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id); 759 760 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 761} 762 763void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev) 764{ 765 struct rtw_traffic_stats *stats = &rtwdev->stats; 766 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 767 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 768 769 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO); 770 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput); 771 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput); 772 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate); 773 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate); 774 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]); 775 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 776} 777 778void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect, 779 struct ieee80211_vif *vif) 780{ 781 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 782 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid); 783 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100; 784 struct rtw_sta_info *si = 785 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL; 786 s32 threshold = bss_conf->cqm_rssi_thold + rssi_offset; 787 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 788 789 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER)) 790 return; 791 792 if (!connect) { 793 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 794 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 795 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 796 797 return; 798 } 799 800 if (!si) 801 return; 802 803 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0); 804 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid); 805 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 806 807 memset(h2c_pkt, 0, sizeof(h2c_pkt)); 808 threshold = clamp_t(s32, threshold, rssi_min, rssi_max); 809 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 810 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 811 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt, 812 BCN_FILTER_OFFLOAD_MODE_DEFAULT); 813 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, (u8)threshold); 814 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT); 815 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id); 816 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, bss_conf->cqm_rssi_hyst); 817 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int); 818 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 819} 820 821void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev) 822{ 823 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 824 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 825 826 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE); 827 828 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode); 829 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm); 830 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps); 831 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval); 832 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id); 833 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state); 834 835 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 836} 837 838void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable) 839{ 840 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 841 struct rtw_fw_wow_keep_alive_para mode = { 842 .adopt = true, 843 .pkt_type = KEEP_ALIVE_NULL_PKT, 844 .period = 5, 845 }; 846 847 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE); 848 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable); 849 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt); 850 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type); 851 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period); 852 853 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 854} 855 856void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable) 857{ 858 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 859 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 860 struct rtw_fw_wow_disconnect_para mode = { 861 .adopt = true, 862 .period = 30, 863 .retry_count = 5, 864 }; 865 866 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION); 867 868 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) { 869 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable); 870 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt); 871 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period); 872 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count); 873 } 874 875 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 876} 877 878void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 879{ 880 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 881 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 882 883 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN); 884 885 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable); 886 if (rtw_wow_mgd_linked(rtwdev)) { 887 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) 888 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable); 889 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) 890 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable); 891 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags)) 892 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable); 893 if (rtw_wow->pattern_cnt) 894 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable); 895 } 896 897 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 898} 899 900void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev, 901 u8 pairwise_key_enc, 902 u8 group_key_enc) 903{ 904 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 905 906 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO); 907 908 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc); 909 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc); 910 911 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 912} 913 914void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 915{ 916 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 917 918 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL); 919 920 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable); 921 922 if (rtw_wow_no_link(rtwdev)) 923 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable); 924 925 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 926} 927 928static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev, 929 enum rtw_rsvd_packet_type type) 930{ 931 struct rtw_rsvd_page *rsvd_pkt; 932 u8 location = 0; 933 934 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 935 if (type == rsvd_pkt->type) 936 location = rsvd_pkt->page; 937 } 938 939 return location; 940} 941 942void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable) 943{ 944 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 945 u8 loc_nlo; 946 947 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO); 948 949 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO); 950 951 SET_NLO_FUN_EN(h2c_pkt, enable); 952 if (enable) { 953 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE) 954 SET_NLO_PS_32K(h2c_pkt, enable); 955 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable); 956 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo); 957 } 958 959 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 960} 961 962void rtw_fw_set_recover_bt_device(struct rtw_dev *rtwdev) 963{ 964 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 965 966 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RECOVER_BT_DEV); 967 SET_RECOVER_BT_DEV_EN(h2c_pkt, 1); 968 969 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 970} 971 972void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) 973{ 974 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 975 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 976 u8 loc_pg, loc_dpk; 977 978 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); 979 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); 980 981 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); 982 983 LPS_PG_INFO_LOC(h2c_pkt, loc_pg); 984 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); 985 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); 986 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); 987 988 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 989} 990 991static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, 992 struct cfg80211_ssid *ssid) 993{ 994 struct rtw_rsvd_page *rsvd_pkt; 995 u8 location = 0; 996 997 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 998 if (rsvd_pkt->type != RSVD_PROBE_REQ) 999 continue; 1000 if ((!ssid && !rsvd_pkt->ssid) || 1001 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid)) 1002 location = rsvd_pkt->page; 1003 } 1004 1005 return location; 1006} 1007 1008static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, 1009 struct cfg80211_ssid *ssid) 1010{ 1011 struct rtw_rsvd_page *rsvd_pkt; 1012 u16 size = 0; 1013 1014 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1015 if (rsvd_pkt->type != RSVD_PROBE_REQ) 1016 continue; 1017 if ((!ssid && !rsvd_pkt->ssid) || 1018 cfg80211_ssid_eq(rsvd_pkt->ssid, ssid)) 1019 size = rsvd_pkt->probe_req_size; 1020 } 1021 1022 return size; 1023} 1024 1025void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) 1026{ 1027 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1028 u8 location = 0; 1029 1030 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); 1031 1032 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); 1033 *(h2c_pkt + 1) = location; 1034 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); 1035 1036 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); 1037 *(h2c_pkt + 2) = location; 1038 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); 1039 1040 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); 1041 *(h2c_pkt + 3) = location; 1042 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); 1043 1044 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); 1045 *(h2c_pkt + 4) = location; 1046 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); 1047 1048 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1049} 1050 1051static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) 1052{ 1053 struct rtw_dev *rtwdev = hw->priv; 1054 const struct rtw_chip_info *chip = rtwdev->chip; 1055 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 1056 struct rtw_nlo_info_hdr *nlo_hdr; 1057 struct cfg80211_ssid *ssid; 1058 struct sk_buff *skb; 1059 u8 *pos, loc; 1060 u32 size; 1061 int i; 1062 1063 if (!pno_req->inited || !pno_req->match_set_cnt) 1064 return NULL; 1065 1066 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * 1067 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; 1068 1069 skb = alloc_skb(size, GFP_KERNEL); 1070 if (!skb) 1071 return NULL; 1072 1073 skb_reserve(skb, chip->tx_pkt_desc_sz); 1074 1075 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); 1076 1077 nlo_hdr->nlo_count = pno_req->match_set_cnt; 1078 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; 1079 1080 /* pattern check for firmware */ 1081 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); 1082 1083 for (i = 0; i < pno_req->match_set_cnt; i++) 1084 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; 1085 1086 for (i = 0; i < pno_req->match_set_cnt; i++) { 1087 ssid = &pno_req->match_sets[i].ssid; 1088 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1089 if (!loc) { 1090 rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); 1091 kfree_skb(skb); 1092 return NULL; 1093 } 1094 nlo_hdr->location[i] = loc; 1095 } 1096 1097 for (i = 0; i < pno_req->match_set_cnt; i++) { 1098 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); 1099 memcpy(pos, pno_req->match_sets[i].ssid.ssid, 1100 pno_req->match_sets[i].ssid.ssid_len); 1101 } 1102 1103 return skb; 1104} 1105 1106static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) 1107{ 1108 struct rtw_dev *rtwdev = hw->priv; 1109 const struct rtw_chip_info *chip = rtwdev->chip; 1110 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 1111 struct ieee80211_channel *channels = pno_req->channels; 1112 struct sk_buff *skb; 1113 int count = pno_req->channel_cnt; 1114 u8 *pos; 1115 int i = 0; 1116 1117 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); 1118 if (!skb) 1119 return NULL; 1120 1121 skb_reserve(skb, chip->tx_pkt_desc_sz); 1122 1123 for (i = 0; i < count; i++) { 1124 pos = skb_put_zero(skb, 4); 1125 1126 CHSW_INFO_SET_CH(pos, channels[i].hw_value); 1127 1128 if (channels[i].flags & IEEE80211_CHAN_RADAR) 1129 CHSW_INFO_SET_ACTION_ID(pos, 0); 1130 else 1131 CHSW_INFO_SET_ACTION_ID(pos, 1); 1132 CHSW_INFO_SET_TIMEOUT(pos, 1); 1133 CHSW_INFO_SET_PRI_CH_IDX(pos, 1); 1134 CHSW_INFO_SET_BW(pos, 0); 1135 } 1136 1137 return skb; 1138} 1139 1140static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) 1141{ 1142 struct rtw_dev *rtwdev = hw->priv; 1143 const struct rtw_chip_info *chip = rtwdev->chip; 1144 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; 1145 struct rtw_lps_pg_dpk_hdr *dpk_hdr; 1146 struct sk_buff *skb; 1147 u32 size; 1148 1149 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr); 1150 skb = alloc_skb(size, GFP_KERNEL); 1151 if (!skb) 1152 return NULL; 1153 1154 skb_reserve(skb, chip->tx_pkt_desc_sz); 1155 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); 1156 dpk_hdr->dpk_ch = dpk_info->dpk_ch; 1157 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; 1158 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); 1159 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); 1160 memcpy(dpk_hdr->coef, dpk_info->coef, 160); 1161 1162 return skb; 1163} 1164 1165static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) 1166{ 1167 struct rtw_dev *rtwdev = hw->priv; 1168 const struct rtw_chip_info *chip = rtwdev->chip; 1169 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 1170 struct rtw_lps_pg_info_hdr *pg_info_hdr; 1171 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1172 struct sk_buff *skb; 1173 u32 size; 1174 1175 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); 1176 skb = alloc_skb(size, GFP_KERNEL); 1177 if (!skb) 1178 return NULL; 1179 1180 skb_reserve(skb, chip->tx_pkt_desc_sz); 1181 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); 1182 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; 1183 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 1184 pg_info_hdr->sec_cam_count = 1185 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); 1186 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; 1187 1188 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; 1189 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; 1190 1191 return skb; 1192} 1193 1194static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, 1195 struct rtw_rsvd_page *rsvd_pkt) 1196{ 1197 struct ieee80211_vif *vif; 1198 struct rtw_vif *rtwvif; 1199 struct sk_buff *skb_new; 1200 struct cfg80211_ssid *ssid; 1201 u16 tim_offset = 0; 1202 1203 if (rsvd_pkt->type == RSVD_DUMMY) { 1204 skb_new = alloc_skb(1, GFP_KERNEL); 1205 if (!skb_new) 1206 return NULL; 1207 1208 skb_put(skb_new, 1); 1209 return skb_new; 1210 } 1211 1212 rtwvif = rsvd_pkt->rtwvif; 1213 if (!rtwvif) 1214 return NULL; 1215 1216 vif = rtwvif_to_vif(rtwvif); 1217 1218 switch (rsvd_pkt->type) { 1219 case RSVD_BEACON: 1220 skb_new = ieee80211_beacon_get_tim(hw, vif, &tim_offset, NULL, 0); 1221 rsvd_pkt->tim_offset = tim_offset; 1222 break; 1223 case RSVD_PS_POLL: 1224 skb_new = ieee80211_pspoll_get(hw, vif); 1225 break; 1226 case RSVD_PROBE_RESP: 1227 skb_new = ieee80211_proberesp_get(hw, vif); 1228 break; 1229 case RSVD_NULL: 1230 skb_new = ieee80211_nullfunc_get(hw, vif, -1, false); 1231 break; 1232 case RSVD_QOS_NULL: 1233 skb_new = ieee80211_nullfunc_get(hw, vif, -1, true); 1234 break; 1235 case RSVD_LPS_PG_DPK: 1236 skb_new = rtw_lps_pg_dpk_get(hw); 1237 break; 1238 case RSVD_LPS_PG_INFO: 1239 skb_new = rtw_lps_pg_info_get(hw); 1240 break; 1241 case RSVD_PROBE_REQ: 1242 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; 1243 if (ssid) 1244 skb_new = ieee80211_probereq_get(hw, vif->addr, 1245 ssid->ssid, 1246 ssid->ssid_len, 0); 1247 else 1248 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); 1249 if (skb_new) 1250 rsvd_pkt->probe_req_size = (u16)skb_new->len; 1251 break; 1252 case RSVD_NLO_INFO: 1253 skb_new = rtw_nlo_info_get(hw); 1254 break; 1255 case RSVD_CH_INFO: 1256 skb_new = rtw_cs_channel_info_get(hw); 1257 break; 1258 default: 1259 return NULL; 1260 } 1261 1262 if (!skb_new) 1263 return NULL; 1264 1265 return skb_new; 1266} 1267 1268static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 1269 enum rtw_rsvd_packet_type type) 1270{ 1271 struct rtw_tx_pkt_info pkt_info = {0}; 1272 const struct rtw_chip_info *chip = rtwdev->chip; 1273 u8 *pkt_desc; 1274 1275 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 1276 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 1277 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 1278 rtw_tx_fill_tx_desc(&pkt_info, skb); 1279} 1280 1281static inline u8 rtw_len_to_page(unsigned int len, u8 page_size) 1282{ 1283 return DIV_ROUND_UP(len, page_size); 1284} 1285 1286static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size, 1287 u8 page_margin, u32 page, u8 *buf, 1288 struct rtw_rsvd_page *rsvd_pkt) 1289{ 1290 struct sk_buff *skb = rsvd_pkt->skb; 1291 1292 if (page >= 1) 1293 memcpy(buf + page_margin + page_size * (page - 1), 1294 skb->data, skb->len); 1295 else 1296 memcpy(buf, skb->data, skb->len); 1297} 1298 1299static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 1300 enum rtw_rsvd_packet_type type, 1301 bool txdesc) 1302{ 1303 struct rtw_rsvd_page *rsvd_pkt = NULL; 1304 1305 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); 1306 1307 if (!rsvd_pkt) 1308 return NULL; 1309 1310 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 1311 INIT_LIST_HEAD(&rsvd_pkt->build_list); 1312 rsvd_pkt->type = type; 1313 rsvd_pkt->add_txdesc = txdesc; 1314 1315 return rsvd_pkt; 1316} 1317 1318static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 1319 struct rtw_vif *rtwvif, 1320 struct rtw_rsvd_page *rsvd_pkt) 1321{ 1322 lockdep_assert_held(&rtwdev->mutex); 1323 1324 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 1325} 1326 1327static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 1328 struct rtw_vif *rtwvif, 1329 enum rtw_rsvd_packet_type type, 1330 bool txdesc) 1331{ 1332 struct rtw_rsvd_page *rsvd_pkt; 1333 1334 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1335 if (!rsvd_pkt) { 1336 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1337 return; 1338 } 1339 1340 rsvd_pkt->rtwvif = rtwvif; 1341 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1342} 1343 1344static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1345 struct rtw_vif *rtwvif, 1346 struct cfg80211_ssid *ssid) 1347{ 1348 struct rtw_rsvd_page *rsvd_pkt; 1349 1350 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1351 if (!rsvd_pkt) { 1352 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1353 return; 1354 } 1355 1356 rsvd_pkt->rtwvif = rtwvif; 1357 rsvd_pkt->ssid = ssid; 1358 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1359} 1360 1361void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1362 struct rtw_vif *rtwvif) 1363{ 1364 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1365 1366 lockdep_assert_held(&rtwdev->mutex); 1367 1368 /* remove all of the rsvd pages for vif */ 1369 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1370 vif_list) { 1371 list_del(&rsvd_pkt->vif_list); 1372 if (!list_empty(&rsvd_pkt->build_list)) 1373 list_del(&rsvd_pkt->build_list); 1374 kfree(rsvd_pkt); 1375 } 1376} 1377 1378void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1379 struct rtw_vif *rtwvif) 1380{ 1381 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1382 1383 if (vif->type != NL80211_IFTYPE_AP && 1384 vif->type != NL80211_IFTYPE_ADHOC && 1385 vif->type != NL80211_IFTYPE_MESH_POINT) { 1386 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1387 vif->type); 1388 return; 1389 } 1390 1391 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1392} 1393 1394void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1395 struct rtw_vif *rtwvif) 1396{ 1397 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1398 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1399 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1400 struct cfg80211_ssid *ssid; 1401 int i; 1402 1403 if (vif->type != NL80211_IFTYPE_STATION) { 1404 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1405 vif->type); 1406 return; 1407 } 1408 1409 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1410 ssid = &rtw_pno_req->match_sets[i].ssid; 1411 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1412 } 1413 1414 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1415 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1416 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1417} 1418 1419void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1420 struct rtw_vif *rtwvif) 1421{ 1422 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1423 1424 if (vif->type != NL80211_IFTYPE_STATION) { 1425 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1426 vif->type); 1427 return; 1428 } 1429 1430 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1431 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1432 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1433 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1434 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1435} 1436 1437int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1438 u8 *buf, u32 size) 1439{ 1440 u8 bckp[2]; 1441 u8 val; 1442 u16 rsvd_pg_head; 1443 u32 bcn_valid_addr; 1444 u32 bcn_valid_mask; 1445 int ret; 1446 1447 lockdep_assert_held(&rtwdev->mutex); 1448 1449 if (!size) 1450 return -EINVAL; 1451 1452 if (rtw_chip_wcpu_11n(rtwdev)) { 1453 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1454 } else { 1455 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1456 pg_addr |= BIT_BCN_VALID_V1; 1457 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1458 } 1459 1460 val = rtw_read8(rtwdev, REG_CR + 1); 1461 bckp[0] = val; 1462 val |= BIT_ENSWBCN >> 8; 1463 rtw_write8(rtwdev, REG_CR + 1, val); 1464 1465 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1466 bckp[1] = val; 1467 val &= ~(BIT_EN_BCNQ_DL >> 16); 1468 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1469 1470 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1471 if (ret) { 1472 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1473 goto restore; 1474 } 1475 1476 if (rtw_chip_wcpu_11n(rtwdev)) { 1477 bcn_valid_addr = REG_DWBCN0_CTRL; 1478 bcn_valid_mask = BIT_BCN_VALID; 1479 } else { 1480 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1481 bcn_valid_mask = BIT_BCN_VALID_V1; 1482 } 1483 1484 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1485 rtw_err(rtwdev, "error beacon valid\n"); 1486 ret = -EBUSY; 1487 } 1488 1489restore: 1490 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1491 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1492 rsvd_pg_head | BIT_BCN_VALID_V1); 1493 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1494 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1495 1496 return ret; 1497} 1498 1499static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1500{ 1501 u32 pg_size; 1502 u32 pg_num = 0; 1503 u16 pg_addr = 0; 1504 1505 pg_size = rtwdev->chip->page_size; 1506 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1507 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1508 return -ENOMEM; 1509 1510 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1511 1512 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1513} 1514 1515static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1516{ 1517 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1518 1519 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1520 build_list) { 1521 list_del_init(&rsvd_pkt->build_list); 1522 1523 /* Don't free except for the dummy rsvd page, 1524 * others will be freed when removing vif 1525 */ 1526 if (rsvd_pkt->type == RSVD_DUMMY) 1527 kfree(rsvd_pkt); 1528 } 1529} 1530 1531static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1532 struct ieee80211_vif *vif) 1533{ 1534 struct rtw_dev *rtwdev = data; 1535 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1536 struct rtw_rsvd_page *rsvd_pkt; 1537 1538 /* AP not yet started, don't gather its rsvd pages */ 1539 if (vif->type == NL80211_IFTYPE_AP && !rtwdev->ap_active) 1540 return; 1541 1542 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1543 if (rsvd_pkt->type == RSVD_BEACON) 1544 list_add(&rsvd_pkt->build_list, 1545 &rtwdev->rsvd_page_list); 1546 else 1547 list_add_tail(&rsvd_pkt->build_list, 1548 &rtwdev->rsvd_page_list); 1549 } 1550} 1551 1552static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1553{ 1554 struct rtw_rsvd_page *rsvd_pkt; 1555 1556 __rtw_build_rsvd_page_reset(rtwdev); 1557 1558 /* gather rsvd page from vifs */ 1559 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1560 1561 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1562 struct rtw_rsvd_page, build_list); 1563 if (!rsvd_pkt) { 1564 WARN(1, "Should not have an empty reserved page\n"); 1565 return -EINVAL; 1566 } 1567 1568 /* the first rsvd should be beacon, otherwise add a dummy one */ 1569 if (rsvd_pkt->type != RSVD_BEACON) { 1570 struct rtw_rsvd_page *dummy_pkt; 1571 1572 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1573 if (!dummy_pkt) { 1574 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1575 return -ENOMEM; 1576 } 1577 1578 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1579 } 1580 1581 return 0; 1582} 1583 1584static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1585{ 1586 struct ieee80211_hw *hw = rtwdev->hw; 1587 const struct rtw_chip_info *chip = rtwdev->chip; 1588 struct sk_buff *iter; 1589 struct rtw_rsvd_page *rsvd_pkt; 1590 u32 page = 0; 1591 u8 total_page = 0; 1592 u8 page_size, page_margin, tx_desc_sz; 1593 u8 *buf; 1594 int ret; 1595 1596 page_size = chip->page_size; 1597 tx_desc_sz = chip->tx_pkt_desc_sz; 1598 page_margin = page_size - tx_desc_sz; 1599 1600 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1601 if (ret) { 1602 rtw_err(rtwdev, 1603 "failed to build rsvd page from vifs, ret %d\n", ret); 1604 return NULL; 1605 } 1606 1607 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1608 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1609 if (!iter) { 1610 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1611 goto release_skb; 1612 } 1613 1614 /* Fill the tx_desc for the rsvd pkt that requires one. 1615 * And iter->len will be added with size of tx_desc_sz. 1616 */ 1617 if (rsvd_pkt->add_txdesc) 1618 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1619 1620 rsvd_pkt->skb = iter; 1621 rsvd_pkt->page = total_page; 1622 1623 /* Reserved page is downloaded via TX path, and TX path will 1624 * generate a tx_desc at the header to describe length of 1625 * the buffer. If we are not counting page numbers with the 1626 * size of tx_desc added at the first rsvd_pkt (usually a 1627 * beacon, firmware default refer to the first page as the 1628 * content of beacon), we could generate a buffer which size 1629 * is smaller than the actual size of the whole rsvd_page 1630 */ 1631 if (total_page == 0) { 1632 if (rsvd_pkt->type != RSVD_BEACON && 1633 rsvd_pkt->type != RSVD_DUMMY) { 1634 rtw_err(rtwdev, "first page should be a beacon\n"); 1635 goto release_skb; 1636 } 1637 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1638 page_size); 1639 } else { 1640 total_page += rtw_len_to_page(iter->len, page_size); 1641 } 1642 } 1643 1644 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1645 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1646 goto release_skb; 1647 } 1648 1649 *size = (total_page - 1) * page_size + page_margin; 1650 buf = kzalloc(*size, GFP_KERNEL); 1651 if (!buf) 1652 goto release_skb; 1653 1654 /* Copy the content of each rsvd_pkt to the buf, and they should 1655 * be aligned to the pages. 1656 * 1657 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1658 * And that rsvd_pkt does not require tx_desc because when it goes 1659 * through TX path, the TX path will generate one for it. 1660 */ 1661 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1662 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1663 page, buf, rsvd_pkt); 1664 if (page == 0) 1665 page += rtw_len_to_page(rsvd_pkt->skb->len + 1666 tx_desc_sz, page_size); 1667 else 1668 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1669 1670 kfree_skb(rsvd_pkt->skb); 1671 rsvd_pkt->skb = NULL; 1672 } 1673 1674 return buf; 1675 1676release_skb: 1677 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1678 kfree_skb(rsvd_pkt->skb); 1679 rsvd_pkt->skb = NULL; 1680 } 1681 1682 return NULL; 1683} 1684 1685static int rtw_download_beacon(struct rtw_dev *rtwdev) 1686{ 1687 struct ieee80211_hw *hw = rtwdev->hw; 1688 struct rtw_rsvd_page *rsvd_pkt; 1689 struct sk_buff *skb; 1690 int ret = 0; 1691 1692 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1693 struct rtw_rsvd_page, build_list); 1694 if (!rsvd_pkt) { 1695 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1696 return -ENOENT; 1697 } 1698 1699 if (rsvd_pkt->type != RSVD_BEACON && 1700 rsvd_pkt->type != RSVD_DUMMY) { 1701 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1702 rsvd_pkt->type); 1703 return -EINVAL; 1704 } 1705 1706 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1707 if (!skb) { 1708 rtw_err(rtwdev, "failed to get beacon skb\n"); 1709 return -ENOMEM; 1710 } 1711 1712 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1713 if (ret) 1714 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1715 1716 dev_kfree_skb(skb); 1717 1718 return ret; 1719} 1720 1721int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1722{ 1723 u8 *buf; 1724 u32 size; 1725 int ret; 1726 1727 buf = rtw_build_rsvd_page(rtwdev, &size); 1728 if (!buf) { 1729 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1730 return -ENOMEM; 1731 } 1732 1733 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1734 if (ret) { 1735 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1736 goto free; 1737 } 1738 1739 /* The last thing is to download the *ONLY* beacon again, because 1740 * the previous tx_desc is to describe the total rsvd page. Download 1741 * the beacon again to replace the TX desc header, and we will get 1742 * a correct tx_desc for the beacon in the rsvd page. 1743 */ 1744 ret = rtw_download_beacon(rtwdev); 1745 if (ret) { 1746 rtw_err(rtwdev, "failed to download beacon\n"); 1747 goto free; 1748 } 1749 1750free: 1751 kfree(buf); 1752 1753 return ret; 1754} 1755 1756void rtw_fw_update_beacon_work(struct work_struct *work) 1757{ 1758 struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, 1759 update_beacon_work); 1760 1761 mutex_lock(&rtwdev->mutex); 1762 rtw_fw_download_rsvd_page(rtwdev); 1763 rtw_send_rsvd_page_h2c(rtwdev); 1764 mutex_unlock(&rtwdev->mutex); 1765} 1766 1767static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1768 u32 *buf, u32 residue, u16 start_pg) 1769{ 1770 u32 i; 1771 u16 idx = 0; 1772 u16 ctl; 1773 1774 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1775 /* disable rx clock gate */ 1776 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 1777 1778 do { 1779 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); 1780 1781 for (i = FIFO_DUMP_ADDR + residue; 1782 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { 1783 buf[idx++] = rtw_read32(rtwdev, i); 1784 size -= 4; 1785 if (size == 0) 1786 goto out; 1787 } 1788 1789 residue = 0; 1790 start_pg++; 1791 } while (size); 1792 1793out: 1794 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1795 /* restore rx clock gate */ 1796 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1797} 1798 1799static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1800 u32 offset, u32 size, u32 *buf) 1801{ 1802 const struct rtw_chip_info *chip = rtwdev->chip; 1803 u32 start_pg, residue; 1804 1805 if (sel >= RTW_FW_FIFO_MAX) { 1806 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1807 return; 1808 } 1809 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1810 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1811 residue = offset & (FIFO_PAGE_SIZE - 1); 1812 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1813 1814 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1815} 1816 1817static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1818 enum rtw_fw_fifo_sel sel, 1819 u32 start_addr, u32 size) 1820{ 1821 switch (sel) { 1822 case RTW_FW_FIFO_SEL_TX: 1823 case RTW_FW_FIFO_SEL_RX: 1824 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1825 return false; 1826 fallthrough; 1827 default: 1828 return true; 1829 } 1830} 1831 1832int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1833 u32 *buffer) 1834{ 1835 if (!rtwdev->chip->fw_fifo_addr[0]) { 1836 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1837 return -ENOTSUPP; 1838 } 1839 1840 if (size == 0 || !buffer) 1841 return -EINVAL; 1842 1843 if (size & 0x3) { 1844 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1845 return -EINVAL; 1846 } 1847 1848 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1849 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1850 return -EINVAL; 1851 } 1852 1853 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1854 1855 return 0; 1856} 1857 1858static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1859 u8 location) 1860{ 1861 const struct rtw_chip_info *chip = rtwdev->chip; 1862 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1863 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1864 1865 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1866 1867 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1868 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1869 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1870 1871 /* include txdesc size */ 1872 size += chip->tx_pkt_desc_sz; 1873 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1874 1875 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1876} 1877 1878void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1879 struct cfg80211_ssid *ssid) 1880{ 1881 u8 loc; 1882 u16 size; 1883 1884 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1885 if (!loc) { 1886 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1887 return; 1888 } 1889 1890 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1891 if (!size) { 1892 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1893 return; 1894 } 1895 1896 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1897} 1898 1899void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1900{ 1901 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1902 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1903 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1904 u8 loc_ch_info; 1905 const struct rtw_ch_switch_option cs_option = { 1906 .dest_ch_en = 1, 1907 .dest_ch = 1, 1908 .periodic_option = 2, 1909 .normal_period = 5, 1910 .normal_period_sel = 0, 1911 .normal_cycle = 10, 1912 .slow_period = 1, 1913 .slow_period_sel = 1, 1914 }; 1915 1916 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1917 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1918 1919 CH_SWITCH_SET_START(h2c_pkt, enable); 1920 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1921 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1922 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1923 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1924 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1925 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1926 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1927 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1928 1929 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1930 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1931 1932 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1933 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1934 1935 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1936} 1937 1938void rtw_fw_adaptivity(struct rtw_dev *rtwdev) 1939{ 1940 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1941 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1942 1943 if (!rtw_edcca_enabled) { 1944 dm_info->edcca_mode = RTW_EDCCA_NORMAL; 1945 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 1946 "EDCCA disabled by debugfs\n"); 1947 } 1948 1949 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); 1950 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); 1951 SET_ADAPTIVITY_OPTION(h2c_pkt, 1); 1952 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); 1953 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); 1954 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); 1955 1956 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1957} 1958 1959void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 1960{ 1961 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1962 1963 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN); 1964 SET_SCAN_START(h2c_pkt, start); 1965 1966 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1967} 1968 1969static int rtw_append_probe_req_ie(struct rtw_dev *rtwdev, struct sk_buff *skb, 1970 struct sk_buff_head *list, u8 *bands, 1971 struct rtw_vif *rtwvif) 1972{ 1973 const struct rtw_chip_info *chip = rtwdev->chip; 1974 struct ieee80211_scan_ies *ies = rtwvif->scan_ies; 1975 struct sk_buff *new; 1976 u8 idx; 1977 1978 for (idx = NL80211_BAND_2GHZ; idx < NUM_NL80211_BANDS; idx++) { 1979 if (!(BIT(idx) & chip->band)) 1980 continue; 1981 new = skb_copy(skb, GFP_KERNEL); 1982 if (!new) 1983 return -ENOMEM; 1984 skb_put_data(new, ies->ies[idx], ies->len[idx]); 1985 skb_put_data(new, ies->common_ies, ies->common_ie_len); 1986 skb_queue_tail(list, new); 1987 (*bands)++; 1988 } 1989 1990 return 0; 1991} 1992 1993static int _rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, u8 num_probes, 1994 struct sk_buff_head *probe_req_list) 1995{ 1996 const struct rtw_chip_info *chip = rtwdev->chip; 1997 struct sk_buff *skb, *tmp; 1998 u8 page_offset = 1, *buf, page_size = chip->page_size; 1999 u16 pg_addr = rtwdev->fifo.rsvd_h2c_info_addr, loc; 2000 u16 buf_offset = page_size * page_offset; 2001 u8 tx_desc_sz = chip->tx_pkt_desc_sz; 2002 u8 page_cnt, pages; 2003 unsigned int pkt_len; 2004 int ret; 2005 2006 if (rtw_fw_feature_ext_check(&rtwdev->fw, FW_FEATURE_EXT_OLD_PAGE_NUM)) 2007 page_cnt = RTW_OLD_PROBE_PG_CNT; 2008 else 2009 page_cnt = RTW_PROBE_PG_CNT; 2010 2011 pages = page_offset + num_probes * page_cnt; 2012 2013 buf = kzalloc(page_size * pages, GFP_KERNEL); 2014 if (!buf) 2015 return -ENOMEM; 2016 2017 buf_offset -= tx_desc_sz; 2018 skb_queue_walk_safe(probe_req_list, skb, tmp) { 2019 skb_unlink(skb, probe_req_list); 2020 rtw_fill_rsvd_page_desc(rtwdev, skb, RSVD_PROBE_REQ); 2021 if (skb->len > page_size * page_cnt) { 2022 ret = -EINVAL; 2023 goto out; 2024 } 2025 2026 memcpy(buf + buf_offset, skb->data, skb->len); 2027 pkt_len = skb->len - tx_desc_sz; 2028 loc = pg_addr - rtwdev->fifo.rsvd_boundary + page_offset; 2029 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, pkt_len, loc); 2030 2031 buf_offset += page_cnt * page_size; 2032 page_offset += page_cnt; 2033 kfree_skb(skb); 2034 } 2035 2036 ret = rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, buf_offset); 2037 if (ret) { 2038 rtw_err(rtwdev, "Download probe request to firmware failed\n"); 2039 goto out; 2040 } 2041 2042 rtwdev->scan_info.probe_pg_size = page_offset; 2043out: 2044 kfree(buf); 2045 skb_queue_walk_safe(probe_req_list, skb, tmp) 2046 kfree_skb(skb); 2047 2048 return ret; 2049} 2050 2051static int rtw_hw_scan_update_probe_req(struct rtw_dev *rtwdev, 2052 struct rtw_vif *rtwvif) 2053{ 2054 struct cfg80211_scan_request *req = rtwvif->scan_req; 2055 struct sk_buff_head list; 2056 struct sk_buff *skb, *tmp; 2057 u8 num = req->n_ssids, i, bands = 0; 2058 int ret; 2059 2060 skb_queue_head_init(&list); 2061 for (i = 0; i < num; i++) { 2062 skb = ieee80211_probereq_get(rtwdev->hw, rtwvif->mac_addr, 2063 req->ssids[i].ssid, 2064 req->ssids[i].ssid_len, 2065 req->ie_len); 2066 if (!skb) { 2067 ret = -ENOMEM; 2068 goto out; 2069 } 2070 ret = rtw_append_probe_req_ie(rtwdev, skb, &list, &bands, 2071 rtwvif); 2072 if (ret) 2073 goto out; 2074 2075 kfree_skb(skb); 2076 } 2077 2078 return _rtw_hw_scan_update_probe_req(rtwdev, num * bands, &list); 2079 2080out: 2081 skb_queue_walk_safe(&list, skb, tmp) 2082 kfree_skb(skb); 2083 2084 return ret; 2085} 2086 2087static int rtw_add_chan_info(struct rtw_dev *rtwdev, struct rtw_chan_info *info, 2088 struct rtw_chan_list *list, u8 *buf) 2089{ 2090 u8 *chan = &buf[list->size]; 2091 u8 info_size = RTW_CH_INFO_SIZE; 2092 2093 if (list->size > list->buf_size) 2094 return -ENOMEM; 2095 2096 CH_INFO_SET_CH(chan, info->channel); 2097 CH_INFO_SET_PRI_CH_IDX(chan, info->pri_ch_idx); 2098 CH_INFO_SET_BW(chan, info->bw); 2099 CH_INFO_SET_TIMEOUT(chan, info->timeout); 2100 CH_INFO_SET_ACTION_ID(chan, info->action_id); 2101 CH_INFO_SET_EXTRA_INFO(chan, info->extra_info); 2102 if (info->extra_info) { 2103 EXTRA_CH_INFO_SET_ID(chan, RTW_SCAN_EXTRA_ID_DFS); 2104 EXTRA_CH_INFO_SET_INFO(chan, RTW_SCAN_EXTRA_ACTION_SCAN); 2105 EXTRA_CH_INFO_SET_SIZE(chan, RTW_EX_CH_INFO_SIZE - 2106 RTW_EX_CH_INFO_HDR_SIZE); 2107 EXTRA_CH_INFO_SET_DFS_EXT_TIME(chan, RTW_DFS_CHAN_TIME); 2108 info_size += RTW_EX_CH_INFO_SIZE; 2109 } 2110 list->size += info_size; 2111 list->ch_num++; 2112 2113 return 0; 2114} 2115 2116static int rtw_add_chan_list(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2117 struct rtw_chan_list *list, u8 *buf) 2118{ 2119 struct cfg80211_scan_request *req = rtwvif->scan_req; 2120 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2121 struct ieee80211_channel *channel; 2122 int i, ret = 0; 2123 2124 for (i = 0; i < req->n_channels; i++) { 2125 struct rtw_chan_info ch_info = {0}; 2126 2127 channel = req->channels[i]; 2128 ch_info.channel = channel->hw_value; 2129 ch_info.bw = RTW_SCAN_WIDTH; 2130 ch_info.pri_ch_idx = RTW_PRI_CH_IDX; 2131 ch_info.timeout = req->duration_mandatory ? 2132 req->duration : RTW_CHANNEL_TIME; 2133 2134 if (channel->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)) { 2135 ch_info.action_id = RTW_CHANNEL_RADAR; 2136 ch_info.extra_info = 1; 2137 /* Overwrite duration for passive scans if necessary */ 2138 ch_info.timeout = ch_info.timeout > RTW_PASS_CHAN_TIME ? 2139 ch_info.timeout : RTW_PASS_CHAN_TIME; 2140 } else { 2141 ch_info.action_id = RTW_CHANNEL_ACTIVE; 2142 } 2143 2144 ret = rtw_add_chan_info(rtwdev, &ch_info, list, buf); 2145 if (ret) 2146 return ret; 2147 } 2148 2149 if (list->size > fifo->rsvd_pg_num << TX_PAGE_SIZE_SHIFT) { 2150 rtw_err(rtwdev, "List exceeds rsvd page total size\n"); 2151 return -EINVAL; 2152 } 2153 2154 list->addr = fifo->rsvd_h2c_info_addr + rtwdev->scan_info.probe_pg_size; 2155 ret = rtw_fw_write_data_rsvd_page(rtwdev, list->addr, buf, list->size); 2156 if (ret) 2157 rtw_err(rtwdev, "Download channel list failed\n"); 2158 2159 return ret; 2160} 2161 2162static void rtw_fw_set_scan_offload(struct rtw_dev *rtwdev, 2163 struct rtw_ch_switch_option *opt, 2164 struct rtw_vif *rtwvif, 2165 struct rtw_chan_list *list) 2166{ 2167 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2168 struct cfg80211_scan_request *req = rtwvif->scan_req; 2169 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 2170 /* reserve one dummy page at the beginning for tx descriptor */ 2171 u8 pkt_loc = fifo->rsvd_h2c_info_addr - fifo->rsvd_boundary + 1; 2172 bool random_seq = req->flags & NL80211_SCAN_FLAG_RANDOM_SN; 2173 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 2174 2175 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_SCAN_OFFLOAD); 2176 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, H2C_PKT_CH_SWITCH_LEN); 2177 2178 SCAN_OFFLOAD_SET_START(h2c_pkt, opt->switch_en); 2179 SCAN_OFFLOAD_SET_BACK_OP_EN(h2c_pkt, opt->back_op_en); 2180 SCAN_OFFLOAD_SET_RANDOM_SEQ_EN(h2c_pkt, random_seq); 2181 SCAN_OFFLOAD_SET_NO_CCK_EN(h2c_pkt, req->no_cck); 2182 SCAN_OFFLOAD_SET_CH_NUM(h2c_pkt, list->ch_num); 2183 SCAN_OFFLOAD_SET_CH_INFO_SIZE(h2c_pkt, list->size); 2184 SCAN_OFFLOAD_SET_CH_INFO_LOC(h2c_pkt, list->addr - fifo->rsvd_boundary); 2185 SCAN_OFFLOAD_SET_OP_CH(h2c_pkt, scan_info->op_chan); 2186 SCAN_OFFLOAD_SET_OP_PRI_CH_IDX(h2c_pkt, scan_info->op_pri_ch_idx); 2187 SCAN_OFFLOAD_SET_OP_BW(h2c_pkt, scan_info->op_bw); 2188 SCAN_OFFLOAD_SET_OP_PORT_ID(h2c_pkt, rtwvif->port); 2189 SCAN_OFFLOAD_SET_OP_DWELL_TIME(h2c_pkt, req->duration_mandatory ? 2190 req->duration : RTW_CHANNEL_TIME); 2191 SCAN_OFFLOAD_SET_OP_GAP_TIME(h2c_pkt, RTW_OFF_CHAN_TIME); 2192 SCAN_OFFLOAD_SET_SSID_NUM(h2c_pkt, req->n_ssids); 2193 SCAN_OFFLOAD_SET_PKT_LOC(h2c_pkt, pkt_loc); 2194 2195 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 2196} 2197 2198void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2199 struct ieee80211_scan_request *scan_req) 2200{ 2201 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 2202 struct cfg80211_scan_request *req = &scan_req->req; 2203 u8 mac_addr[ETH_ALEN]; 2204 2205 rtwdev->scan_info.scanning_vif = vif; 2206 rtwvif->scan_ies = &scan_req->ies; 2207 rtwvif->scan_req = req; 2208 2209 ieee80211_stop_queues(rtwdev->hw); 2210 rtw_leave_lps_deep(rtwdev); 2211 rtw_hci_flush_all_queues(rtwdev, false); 2212 rtw_mac_flush_all_queues(rtwdev, false); 2213 if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) 2214 get_random_mask_addr(mac_addr, req->mac_addr, 2215 req->mac_addr_mask); 2216 else 2217 ether_addr_copy(mac_addr, vif->addr); 2218 2219 rtw_core_scan_start(rtwdev, rtwvif, mac_addr, true); 2220 2221 rtwdev->hal.rcr &= ~BIT_CBSSID_BCN; 2222 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2223} 2224 2225void rtw_hw_scan_complete(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2226 bool aborted) 2227{ 2228 struct cfg80211_scan_info info = { 2229 .aborted = aborted, 2230 }; 2231 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2232 struct rtw_hal *hal = &rtwdev->hal; 2233 struct rtw_vif *rtwvif; 2234 u8 chan = scan_info->op_chan; 2235 2236 if (!vif) 2237 return; 2238 2239 rtwdev->hal.rcr |= BIT_CBSSID_BCN; 2240 rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr); 2241 2242 rtw_core_scan_complete(rtwdev, vif, true); 2243 2244 rtwvif = (struct rtw_vif *)vif->drv_priv; 2245 if (chan) 2246 rtw_store_op_chan(rtwdev, false); 2247 rtw_phy_set_tx_power_level(rtwdev, hal->current_channel); 2248 ieee80211_wake_queues(rtwdev->hw); 2249 ieee80211_scan_completed(rtwdev->hw, &info); 2250 2251 rtwvif->scan_req = NULL; 2252 rtwvif->scan_ies = NULL; 2253 rtwdev->scan_info.scanning_vif = NULL; 2254} 2255 2256static int rtw_hw_scan_prehandle(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif, 2257 struct rtw_chan_list *list) 2258{ 2259 struct cfg80211_scan_request *req = rtwvif->scan_req; 2260 int size = req->n_channels * (RTW_CH_INFO_SIZE + RTW_EX_CH_INFO_SIZE); 2261 u8 *buf; 2262 int ret; 2263 2264 buf = kmalloc(size, GFP_KERNEL); 2265 if (!buf) 2266 return -ENOMEM; 2267 2268 ret = rtw_hw_scan_update_probe_req(rtwdev, rtwvif); 2269 if (ret) { 2270 rtw_err(rtwdev, "Update probe request failed\n"); 2271 goto out; 2272 } 2273 2274 list->buf_size = size; 2275 list->size = 0; 2276 list->ch_num = 0; 2277 ret = rtw_add_chan_list(rtwdev, rtwvif, list, buf); 2278out: 2279 kfree(buf); 2280 2281 return ret; 2282} 2283 2284int rtw_hw_scan_offload(struct rtw_dev *rtwdev, struct ieee80211_vif *vif, 2285 bool enable) 2286{ 2287 struct rtw_vif *rtwvif = vif ? (struct rtw_vif *)vif->drv_priv : NULL; 2288 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2289 struct rtw_ch_switch_option cs_option = {0}; 2290 struct rtw_chan_list chan_list = {0}; 2291 int ret = 0; 2292 2293 if (!rtwvif) 2294 return -EINVAL; 2295 2296 cs_option.switch_en = enable; 2297 cs_option.back_op_en = scan_info->op_chan != 0; 2298 if (enable) { 2299 ret = rtw_hw_scan_prehandle(rtwdev, rtwvif, &chan_list); 2300 if (ret) 2301 goto out; 2302 } 2303 rtw_fw_set_scan_offload(rtwdev, &cs_option, rtwvif, &chan_list); 2304out: 2305 if (rtwdev->ap_active) { 2306 ret = rtw_download_beacon(rtwdev); 2307 if (ret) 2308 rtw_err(rtwdev, "HW scan download beacon failed\n"); 2309 } 2310 2311 return ret; 2312} 2313 2314void rtw_hw_scan_abort(struct rtw_dev *rtwdev) 2315{ 2316 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2317 2318 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_SCAN_OFFLOAD)) 2319 return; 2320 2321 rtw_hw_scan_offload(rtwdev, vif, false); 2322 rtw_hw_scan_complete(rtwdev, vif, true); 2323} 2324 2325void rtw_hw_scan_status_report(struct rtw_dev *rtwdev, struct sk_buff *skb) 2326{ 2327 struct ieee80211_vif *vif = rtwdev->scan_info.scanning_vif; 2328 struct rtw_c2h_cmd *c2h; 2329 bool aborted; 2330 u8 rc; 2331 2332 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2333 return; 2334 2335 c2h = get_c2h_from_skb(skb); 2336 rc = GET_SCAN_REPORT_RETURN_CODE(c2h->payload); 2337 aborted = rc != RTW_SCAN_REPORT_SUCCESS; 2338 rtw_hw_scan_complete(rtwdev, vif, aborted); 2339 2340 if (aborted) 2341 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, "HW scan aborted with code: %d\n", rc); 2342} 2343 2344void rtw_store_op_chan(struct rtw_dev *rtwdev, bool backup) 2345{ 2346 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2347 struct rtw_hal *hal = &rtwdev->hal; 2348 u8 band; 2349 2350 if (backup) { 2351 scan_info->op_chan = hal->current_channel; 2352 scan_info->op_bw = hal->current_band_width; 2353 scan_info->op_pri_ch_idx = hal->current_primary_channel_index; 2354 scan_info->op_pri_ch = hal->primary_channel; 2355 } else { 2356 band = scan_info->op_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2357 rtw_update_channel(rtwdev, scan_info->op_chan, 2358 scan_info->op_pri_ch, 2359 band, scan_info->op_bw); 2360 } 2361} 2362 2363void rtw_clear_op_chan(struct rtw_dev *rtwdev) 2364{ 2365 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2366 2367 scan_info->op_chan = 0; 2368 scan_info->op_bw = 0; 2369 scan_info->op_pri_ch_idx = 0; 2370 scan_info->op_pri_ch = 0; 2371} 2372 2373static bool rtw_is_op_chan(struct rtw_dev *rtwdev, u8 channel) 2374{ 2375 struct rtw_hw_scan_info *scan_info = &rtwdev->scan_info; 2376 2377 return channel == scan_info->op_chan; 2378} 2379 2380void rtw_hw_scan_chan_switch(struct rtw_dev *rtwdev, struct sk_buff *skb) 2381{ 2382 struct rtw_hal *hal = &rtwdev->hal; 2383 struct rtw_c2h_cmd *c2h; 2384 enum rtw_scan_notify_id id; 2385 u8 chan, band, status; 2386 2387 if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2388 return; 2389 2390 c2h = get_c2h_from_skb(skb); 2391 chan = GET_CHAN_SWITCH_CENTRAL_CH(c2h->payload); 2392 id = GET_CHAN_SWITCH_ID(c2h->payload); 2393 status = GET_CHAN_SWITCH_STATUS(c2h->payload); 2394 2395 if (id == RTW_SCAN_NOTIFY_ID_POSTSWITCH) { 2396 band = chan > 14 ? RTW_BAND_5G : RTW_BAND_2G; 2397 rtw_update_channel(rtwdev, chan, chan, band, 2398 RTW_CHANNEL_WIDTH_20); 2399 if (rtw_is_op_chan(rtwdev, chan)) { 2400 rtw_store_op_chan(rtwdev, false); 2401 ieee80211_wake_queues(rtwdev->hw); 2402 rtw_core_enable_beacon(rtwdev, true); 2403 } 2404 } else if (id == RTW_SCAN_NOTIFY_ID_PRESWITCH) { 2405 if (IS_CH_5G_BAND(chan)) { 2406 rtw_coex_switchband_notify(rtwdev, COEX_SWITCH_TO_5G); 2407 } else if (IS_CH_2G_BAND(chan)) { 2408 u8 chan_type; 2409 2410 if (test_bit(RTW_FLAG_SCANNING, rtwdev->flags)) 2411 chan_type = COEX_SWITCH_TO_24G; 2412 else 2413 chan_type = COEX_SWITCH_TO_24G_NOFORSCAN; 2414 rtw_coex_switchband_notify(rtwdev, chan_type); 2415 } 2416 /* The channel of C2H RTW_SCAN_NOTIFY_ID_PRESWITCH is next 2417 * channel that hardware will switch. We need to stop queue 2418 * if next channel is non-op channel. 2419 */ 2420 if (!rtw_is_op_chan(rtwdev, chan) && 2421 rtw_is_op_chan(rtwdev, hal->current_channel)) { 2422 rtw_core_enable_beacon(rtwdev, false); 2423 ieee80211_stop_queues(rtwdev->hw); 2424 } 2425 } 2426 2427 rtw_dbg(rtwdev, RTW_DBG_HW_SCAN, 2428 "Chan switch: %x, id: %x, status: %x\n", chan, id, status); 2429} 2430