1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* Copyright(c) 2018-2019 Realtek Corporation 3 */ 4 5 #include <linux/iopoll.h> 6 7 #include "main.h" 8 #include "coex.h" 9 #include "fw.h" 10 #include "tx.h" 11 #include "reg.h" 12 #include "sec.h" 13 #include "debug.h" 14 #include "util.h" 15 #include "wow.h" 16 #include "ps.h" 17 18 static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev, 19 struct sk_buff *skb) 20 { 21 struct rtw_c2h_cmd *c2h; 22 u8 sub_cmd_id; 23 24 c2h = get_c2h_from_skb(skb); 25 sub_cmd_id = c2h->payload[0]; 26 27 switch (sub_cmd_id) { 28 case C2H_CCX_RPT: 29 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_RPT); 30 break; 31 default: 32 break; 33 } 34 } 35 36 static u16 get_max_amsdu_len(u32 bit_rate) 37 { 38 /* lower than ofdm, do not aggregate */ 39 if (bit_rate < 550) 40 return 1; 41 42 /* lower than 20M 2ss mcs8, make it small */ 43 if (bit_rate < 1800) 44 return 1200; 45 46 /* lower than 40M 2ss mcs9, make it medium */ 47 if (bit_rate < 4000) 48 return 2600; 49 50 /* not yet 80M 2ss mcs8/9, make it twice regular packet size */ 51 if (bit_rate < 7000) 52 return 3500; 53 54 /* unlimited */ 55 return 0; 56 } 57 58 struct rtw_fw_iter_ra_data { 59 struct rtw_dev *rtwdev; 60 u8 *payload; 61 }; 62 63 static void rtw_fw_ra_report_iter(void *data, struct ieee80211_sta *sta) 64 { 65 struct rtw_fw_iter_ra_data *ra_data = data; 66 struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv; 67 u8 mac_id, rate, sgi, bw; 68 u8 mcs, nss; 69 u32 bit_rate; 70 71 mac_id = GET_RA_REPORT_MACID(ra_data->payload); 72 if (si->mac_id != mac_id) 73 return; 74 75 si->ra_report.txrate.flags = 0; 76 77 rate = GET_RA_REPORT_RATE(ra_data->payload); 78 sgi = GET_RA_REPORT_SGI(ra_data->payload); 79 bw = GET_RA_REPORT_BW(ra_data->payload); 80 81 if (rate < DESC_RATEMCS0) { 82 si->ra_report.txrate.legacy = rtw_desc_to_bitrate(rate); 83 goto legacy; 84 } 85 86 rtw_desc_to_mcsrate(rate, &mcs, &nss); 87 if (rate >= DESC_RATEVHT1SS_MCS0) 88 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_VHT_MCS; 89 else if (rate >= DESC_RATEMCS0) 90 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_MCS; 91 92 if (rate >= DESC_RATEMCS0) { 93 si->ra_report.txrate.mcs = mcs; 94 si->ra_report.txrate.nss = nss; 95 } 96 97 if (sgi) 98 si->ra_report.txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 99 100 if (bw == RTW_CHANNEL_WIDTH_80) 101 si->ra_report.txrate.bw = RATE_INFO_BW_80; 102 else if (bw == RTW_CHANNEL_WIDTH_40) 103 si->ra_report.txrate.bw = RATE_INFO_BW_40; 104 else 105 si->ra_report.txrate.bw = RATE_INFO_BW_20; 106 107 legacy: 108 bit_rate = cfg80211_calculate_bitrate(&si->ra_report.txrate); 109 110 si->ra_report.desc_rate = rate; 111 si->ra_report.bit_rate = bit_rate; 112 113 sta->max_rc_amsdu_len = get_max_amsdu_len(bit_rate); 114 } 115 116 static void rtw_fw_ra_report_handle(struct rtw_dev *rtwdev, u8 *payload, 117 u8 length) 118 { 119 struct rtw_fw_iter_ra_data ra_data; 120 121 if (WARN(length < 7, "invalid ra report c2h length\n")) 122 return; 123 124 rtwdev->dm_info.tx_rate = GET_RA_REPORT_RATE(payload); 125 ra_data.rtwdev = rtwdev; 126 ra_data.payload = payload; 127 rtw_iterate_stas_atomic(rtwdev, rtw_fw_ra_report_iter, &ra_data); 128 } 129 130 struct rtw_beacon_filter_iter_data { 131 struct rtw_dev *rtwdev; 132 u8 *payload; 133 }; 134 135 static void rtw_fw_bcn_filter_notify_vif_iter(void *data, u8 *mac, 136 struct ieee80211_vif *vif) 137 { 138 struct rtw_beacon_filter_iter_data *iter_data = data; 139 struct rtw_dev *rtwdev = iter_data->rtwdev; 140 u8 *payload = iter_data->payload; 141 u8 type = GET_BCN_FILTER_NOTIFY_TYPE(payload); 142 u8 event = GET_BCN_FILTER_NOTIFY_EVENT(payload); 143 s8 sig = (s8)GET_BCN_FILTER_NOTIFY_RSSI(payload); 144 145 switch (type) { 146 case BCN_FILTER_NOTIFY_SIGNAL_CHANGE: 147 event = event ? NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH : 148 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; 149 ieee80211_cqm_rssi_notify(vif, event, sig, GFP_KERNEL); 150 break; 151 case BCN_FILTER_CONNECTION_LOSS: 152 ieee80211_connection_loss(vif); 153 break; 154 case BCN_FILTER_CONNECTED: 155 rtwdev->beacon_loss = false; 156 break; 157 case BCN_FILTER_NOTIFY_BEACON_LOSS: 158 rtwdev->beacon_loss = true; 159 rtw_leave_lps(rtwdev); 160 break; 161 } 162 } 163 164 static void rtw_fw_bcn_filter_notify(struct rtw_dev *rtwdev, u8 *payload, 165 u8 length) 166 { 167 struct rtw_beacon_filter_iter_data dev_iter_data; 168 169 dev_iter_data.rtwdev = rtwdev; 170 dev_iter_data.payload = payload; 171 rtw_iterate_vifs(rtwdev, rtw_fw_bcn_filter_notify_vif_iter, 172 &dev_iter_data); 173 } 174 175 static void rtw_fw_scan_result(struct rtw_dev *rtwdev, u8 *payload, 176 u8 length) 177 { 178 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 179 180 dm_info->scan_density = payload[0]; 181 182 rtw_dbg(rtwdev, RTW_DBG_FW, "scan.density = %x\n", 183 dm_info->scan_density); 184 } 185 186 static void rtw_fw_adaptivity_result(struct rtw_dev *rtwdev, u8 *payload, 187 u8 length) 188 { 189 struct rtw_hw_reg_offset *edcca_th = rtwdev->chip->edcca_th; 190 struct rtw_c2h_adaptivity *result = (struct rtw_c2h_adaptivity *)payload; 191 192 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 193 "Adaptivity: density %x igi %x l2h_th_init %x l2h %x h2l %x option %x\n", 194 result->density, result->igi, result->l2h_th_init, result->l2h, 195 result->h2l, result->option); 196 197 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "Reg Setting: L2H %x H2L %x\n", 198 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_L2H_IDX].hw_reg.addr, 199 edcca_th[EDCCA_TH_L2H_IDX].hw_reg.mask), 200 rtw_read32_mask(rtwdev, edcca_th[EDCCA_TH_H2L_IDX].hw_reg.addr, 201 edcca_th[EDCCA_TH_H2L_IDX].hw_reg.mask)); 202 203 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, "EDCCA Flag %s\n", 204 rtw_read32_mask(rtwdev, REG_EDCCA_REPORT, BIT_EDCCA_FLAG) ? 205 "Set" : "Unset"); 206 } 207 208 void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb) 209 { 210 struct rtw_c2h_cmd *c2h; 211 u32 pkt_offset; 212 u8 len; 213 214 pkt_offset = *((u32 *)skb->cb); 215 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 216 len = skb->len - pkt_offset - 2; 217 218 mutex_lock(&rtwdev->mutex); 219 220 if (!test_bit(RTW_FLAG_RUNNING, rtwdev->flags)) 221 goto unlock; 222 223 switch (c2h->id) { 224 case C2H_CCX_TX_RPT: 225 rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT); 226 break; 227 case C2H_BT_INFO: 228 rtw_coex_bt_info_notify(rtwdev, c2h->payload, len); 229 break; 230 case C2H_WLAN_INFO: 231 rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len); 232 break; 233 case C2H_BCN_FILTER_NOTIFY: 234 rtw_fw_bcn_filter_notify(rtwdev, c2h->payload, len); 235 break; 236 case C2H_HALMAC: 237 rtw_fw_c2h_cmd_handle_ext(rtwdev, skb); 238 break; 239 case C2H_RA_RPT: 240 rtw_fw_ra_report_handle(rtwdev, c2h->payload, len); 241 break; 242 default: 243 rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id); 244 break; 245 } 246 247 unlock: 248 mutex_unlock(&rtwdev->mutex); 249 } 250 251 void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, 252 struct sk_buff *skb) 253 { 254 struct rtw_c2h_cmd *c2h; 255 u8 len; 256 257 c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); 258 len = skb->len - pkt_offset - 2; 259 *((u32 *)skb->cb) = pkt_offset; 260 261 rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", 262 c2h->id, c2h->seq, len); 263 264 switch (c2h->id) { 265 case C2H_BT_MP_INFO: 266 rtw_coex_info_response(rtwdev, skb); 267 break; 268 case C2H_WLAN_RFON: 269 complete(&rtwdev->lps_leave_check); 270 dev_kfree_skb_any(skb); 271 break; 272 case C2H_SCAN_RESULT: 273 complete(&rtwdev->fw_scan_density); 274 rtw_fw_scan_result(rtwdev, c2h->payload, len); 275 dev_kfree_skb_any(skb); 276 break; 277 case C2H_ADAPTIVITY: 278 rtw_fw_adaptivity_result(rtwdev, c2h->payload, len); 279 dev_kfree_skb_any(skb); 280 break; 281 default: 282 /* pass offset for further operation */ 283 *((u32 *)skb->cb) = pkt_offset; 284 skb_queue_tail(&rtwdev->c2h_queue, skb); 285 ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); 286 break; 287 } 288 } 289 EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); 290 291 void rtw_fw_c2h_cmd_isr(struct rtw_dev *rtwdev) 292 { 293 if (rtw_read8(rtwdev, REG_MCU_TST_CFG) == VAL_FW_TRIGGER) 294 rtw_fw_recovery(rtwdev); 295 else 296 rtw_warn(rtwdev, "unhandled firmware c2h interrupt\n"); 297 } 298 EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); 299 300 static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, 301 u8 *h2c) 302 { 303 u8 box; 304 u8 box_state; 305 u32 box_reg, box_ex_reg; 306 int idx; 307 int ret; 308 309 rtw_dbg(rtwdev, RTW_DBG_FW, 310 "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n", 311 h2c[3], h2c[2], h2c[1], h2c[0], 312 h2c[7], h2c[6], h2c[5], h2c[4]); 313 314 spin_lock(&rtwdev->h2c.lock); 315 316 box = rtwdev->h2c.last_box_num; 317 switch (box) { 318 case 0: 319 box_reg = REG_HMEBOX0; 320 box_ex_reg = REG_HMEBOX0_EX; 321 break; 322 case 1: 323 box_reg = REG_HMEBOX1; 324 box_ex_reg = REG_HMEBOX1_EX; 325 break; 326 case 2: 327 box_reg = REG_HMEBOX2; 328 box_ex_reg = REG_HMEBOX2_EX; 329 break; 330 case 3: 331 box_reg = REG_HMEBOX3; 332 box_ex_reg = REG_HMEBOX3_EX; 333 break; 334 default: 335 WARN(1, "invalid h2c mail box number\n"); 336 goto out; 337 } 338 339 ret = read_poll_timeout_atomic(rtw_read8, box_state, 340 !((box_state >> box) & 0x1), 100, 3000, 341 false, rtwdev, REG_HMETFR); 342 343 if (ret) { 344 rtw_err(rtwdev, "failed to send h2c command\n"); 345 goto out; 346 } 347 348 for (idx = 0; idx < 4; idx++) 349 rtw_write8(rtwdev, box_reg + idx, h2c[idx]); 350 for (idx = 0; idx < 4; idx++) 351 rtw_write8(rtwdev, box_ex_reg + idx, h2c[idx + 4]); 352 353 if (++rtwdev->h2c.last_box_num >= 4) 354 rtwdev->h2c.last_box_num = 0; 355 356 out: 357 spin_unlock(&rtwdev->h2c.lock); 358 } 359 360 void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) 361 { 362 rtw_fw_send_h2c_command(rtwdev, h2c); 363 } 364 365 static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) 366 { 367 int ret; 368 369 spin_lock(&rtwdev->h2c.lock); 370 371 FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq); 372 ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE); 373 if (ret) 374 rtw_err(rtwdev, "failed to send h2c packet\n"); 375 rtwdev->h2c.seq++; 376 377 spin_unlock(&rtwdev->h2c.lock); 378 } 379 380 void 381 rtw_fw_send_general_info(struct rtw_dev *rtwdev) 382 { 383 struct rtw_fifo_conf *fifo = &rtwdev->fifo; 384 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 385 u16 total_size = H2C_PKT_HDR_SIZE + 4; 386 387 if (rtw_chip_wcpu_11n(rtwdev)) 388 return; 389 390 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO); 391 392 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 393 394 GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt, 395 fifo->rsvd_fw_txbuf_addr - 396 fifo->rsvd_boundary); 397 398 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 399 } 400 401 void 402 rtw_fw_send_phydm_info(struct rtw_dev *rtwdev) 403 { 404 struct rtw_hal *hal = &rtwdev->hal; 405 struct rtw_efuse *efuse = &rtwdev->efuse; 406 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 407 u16 total_size = H2C_PKT_HDR_SIZE + 8; 408 u8 fw_rf_type = 0; 409 410 if (rtw_chip_wcpu_11n(rtwdev)) 411 return; 412 413 if (hal->rf_type == RF_1T1R) 414 fw_rf_type = FW_RF_1T1R; 415 else if (hal->rf_type == RF_2T2R) 416 fw_rf_type = FW_RF_2T2R; 417 418 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO); 419 420 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 421 PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option); 422 PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type); 423 PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version); 424 PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx); 425 PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx); 426 427 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 428 } 429 430 void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para) 431 { 432 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 433 u16 total_size = H2C_PKT_HDR_SIZE + 1; 434 435 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK); 436 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 437 IQK_SET_CLEAR(h2c_pkt, para->clear); 438 IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk); 439 440 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 441 } 442 EXPORT_SYMBOL(rtw_fw_do_iqk); 443 444 void rtw_fw_inform_rfk_status(struct rtw_dev *rtwdev, bool start) 445 { 446 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 447 448 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WIFI_CALIBRATION); 449 450 RFK_SET_INFORM_START(h2c_pkt, start); 451 452 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 453 } 454 EXPORT_SYMBOL(rtw_fw_inform_rfk_status); 455 456 void rtw_fw_query_bt_info(struct rtw_dev *rtwdev) 457 { 458 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 459 460 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO); 461 462 SET_QUERY_BT_INFO(h2c_pkt, true); 463 464 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 465 } 466 467 void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw) 468 { 469 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 470 471 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO); 472 473 SET_WL_CH_INFO_LINK(h2c_pkt, link); 474 SET_WL_CH_INFO_CHNL(h2c_pkt, ch); 475 SET_WL_CH_INFO_BW(h2c_pkt, bw); 476 477 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 478 } 479 480 void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev, 481 struct rtw_coex_info_req *req) 482 { 483 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 484 485 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO); 486 487 SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq); 488 SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code); 489 SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1); 490 SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2); 491 SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3); 492 493 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 494 } 495 496 void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl) 497 { 498 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 499 u8 index = 0 - bt_pwr_dec_lvl; 500 501 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER); 502 503 SET_BT_TX_POWER_INDEX(h2c_pkt, index); 504 505 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 506 } 507 508 void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable) 509 { 510 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 511 512 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION); 513 514 SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable); 515 516 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 517 } 518 519 void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev, 520 u8 para1, u8 para2, u8 para3, u8 para4, u8 para5) 521 { 522 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 523 524 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE); 525 526 SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1); 527 SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2); 528 SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3); 529 SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4); 530 SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5); 531 532 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 533 } 534 535 void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data) 536 { 537 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 538 539 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL); 540 541 SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code); 542 543 SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data); 544 SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1)); 545 SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2)); 546 SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3)); 547 SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4)); 548 549 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 550 } 551 552 void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) 553 { 554 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 555 u8 rssi = ewma_rssi_read(&si->avg_rssi); 556 bool stbc_en = si->stbc_en ? true : false; 557 558 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR); 559 560 SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id); 561 SET_RSSI_INFO_RSSI(h2c_pkt, rssi); 562 SET_RSSI_INFO_STBC(h2c_pkt, stbc_en); 563 564 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 565 } 566 567 void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si) 568 { 569 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 570 bool no_update = si->updated; 571 bool disable_pt = true; 572 573 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO); 574 575 SET_RA_INFO_MACID(h2c_pkt, si->mac_id); 576 SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id); 577 SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv); 578 SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable); 579 SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode); 580 SET_RA_INFO_LDPC(h2c_pkt, !!si->ldpc_en); 581 SET_RA_INFO_NO_UPDATE(h2c_pkt, no_update); 582 SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable); 583 SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt); 584 SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff)); 585 SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8); 586 SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16); 587 SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24); 588 589 si->init_ra_lv = 0; 590 si->updated = true; 591 592 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 593 } 594 595 void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect) 596 { 597 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 598 599 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT); 600 MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect); 601 MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id); 602 603 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 604 } 605 606 void rtw_fw_update_wl_phy_info(struct rtw_dev *rtwdev) 607 { 608 struct rtw_traffic_stats *stats = &rtwdev->stats; 609 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 610 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 611 612 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_PHY_INFO); 613 SET_WL_PHY_INFO_TX_TP(h2c_pkt, stats->tx_throughput); 614 SET_WL_PHY_INFO_RX_TP(h2c_pkt, stats->rx_throughput); 615 SET_WL_PHY_INFO_TX_RATE_DESC(h2c_pkt, dm_info->tx_rate); 616 SET_WL_PHY_INFO_RX_RATE_DESC(h2c_pkt, dm_info->curr_rx_rate); 617 SET_WL_PHY_INFO_RX_EVM(h2c_pkt, dm_info->rx_evm_dbm[RF_PATH_A]); 618 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 619 } 620 621 void rtw_fw_beacon_filter_config(struct rtw_dev *rtwdev, bool connect, 622 struct ieee80211_vif *vif) 623 { 624 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 625 struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid); 626 static const u8 rssi_min = 0, rssi_max = 100, rssi_offset = 100; 627 struct rtw_sta_info *si = 628 sta ? (struct rtw_sta_info *)sta->drv_priv : NULL; 629 s32 threshold = bss_conf->cqm_rssi_thold + rssi_offset; 630 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 631 632 if (!rtw_fw_feature_check(&rtwdev->fw, FW_FEATURE_BCN_FILTER) || !si) 633 return; 634 635 if (!connect) { 636 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 637 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 638 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 639 640 return; 641 } 642 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P0); 643 ether_addr_copy(&h2c_pkt[1], bss_conf->bssid); 644 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 645 646 memset(h2c_pkt, 0, sizeof(h2c_pkt)); 647 threshold = clamp_t(s32, threshold, rssi_min, rssi_max); 648 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BCN_FILTER_OFFLOAD_P1); 649 SET_BCN_FILTER_OFFLOAD_P1_ENABLE(h2c_pkt, connect); 650 SET_BCN_FILTER_OFFLOAD_P1_OFFLOAD_MODE(h2c_pkt, 651 BCN_FILTER_OFFLOAD_MODE_DEFAULT); 652 SET_BCN_FILTER_OFFLOAD_P1_THRESHOLD(h2c_pkt, (u8)threshold); 653 SET_BCN_FILTER_OFFLOAD_P1_BCN_LOSS_CNT(h2c_pkt, BCN_LOSS_CNT); 654 SET_BCN_FILTER_OFFLOAD_P1_MACID(h2c_pkt, si->mac_id); 655 SET_BCN_FILTER_OFFLOAD_P1_HYST(h2c_pkt, bss_conf->cqm_rssi_hyst); 656 SET_BCN_FILTER_OFFLOAD_P1_BCN_INTERVAL(h2c_pkt, bss_conf->beacon_int); 657 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 658 } 659 660 void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev) 661 { 662 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 663 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 664 665 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE); 666 667 SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode); 668 SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm); 669 SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps); 670 SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval); 671 SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id); 672 SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state); 673 674 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 675 } 676 677 void rtw_fw_set_keep_alive_cmd(struct rtw_dev *rtwdev, bool enable) 678 { 679 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 680 struct rtw_fw_wow_keep_alive_para mode = { 681 .adopt = true, 682 .pkt_type = KEEP_ALIVE_NULL_PKT, 683 .period = 5, 684 }; 685 686 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_KEEP_ALIVE); 687 SET_KEEP_ALIVE_ENABLE(h2c_pkt, enable); 688 SET_KEEP_ALIVE_ADOPT(h2c_pkt, mode.adopt); 689 SET_KEEP_ALIVE_PKT_TYPE(h2c_pkt, mode.pkt_type); 690 SET_KEEP_ALIVE_CHECK_PERIOD(h2c_pkt, mode.period); 691 692 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 693 } 694 695 void rtw_fw_set_disconnect_decision_cmd(struct rtw_dev *rtwdev, bool enable) 696 { 697 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 698 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 699 struct rtw_fw_wow_disconnect_para mode = { 700 .adopt = true, 701 .period = 30, 702 .retry_count = 5, 703 }; 704 705 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_DISCONNECT_DECISION); 706 707 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) { 708 SET_DISCONNECT_DECISION_ENABLE(h2c_pkt, enable); 709 SET_DISCONNECT_DECISION_ADOPT(h2c_pkt, mode.adopt); 710 SET_DISCONNECT_DECISION_CHECK_PERIOD(h2c_pkt, mode.period); 711 SET_DISCONNECT_DECISION_TRY_PKT_NUM(h2c_pkt, mode.retry_count); 712 } 713 714 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 715 } 716 717 void rtw_fw_set_wowlan_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 718 { 719 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 720 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 721 722 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WOWLAN); 723 724 SET_WOWLAN_FUNC_ENABLE(h2c_pkt, enable); 725 if (rtw_wow_mgd_linked(rtwdev)) { 726 if (test_bit(RTW_WOW_FLAG_EN_MAGIC_PKT, rtw_wow->flags)) 727 SET_WOWLAN_MAGIC_PKT_ENABLE(h2c_pkt, enable); 728 if (test_bit(RTW_WOW_FLAG_EN_DISCONNECT, rtw_wow->flags)) 729 SET_WOWLAN_DEAUTH_WAKEUP_ENABLE(h2c_pkt, enable); 730 if (test_bit(RTW_WOW_FLAG_EN_REKEY_PKT, rtw_wow->flags)) 731 SET_WOWLAN_REKEY_WAKEUP_ENABLE(h2c_pkt, enable); 732 if (rtw_wow->pattern_cnt) 733 SET_WOWLAN_PATTERN_MATCH_ENABLE(h2c_pkt, enable); 734 } 735 736 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 737 } 738 739 void rtw_fw_set_aoac_global_info_cmd(struct rtw_dev *rtwdev, 740 u8 pairwise_key_enc, 741 u8 group_key_enc) 742 { 743 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 744 745 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_AOAC_GLOBAL_INFO); 746 747 SET_AOAC_GLOBAL_INFO_PAIRWISE_ENC_ALG(h2c_pkt, pairwise_key_enc); 748 SET_AOAC_GLOBAL_INFO_GROUP_ENC_ALG(h2c_pkt, group_key_enc); 749 750 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 751 } 752 753 void rtw_fw_set_remote_wake_ctrl_cmd(struct rtw_dev *rtwdev, bool enable) 754 { 755 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 756 757 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_REMOTE_WAKE_CTRL); 758 759 SET_REMOTE_WAKECTRL_ENABLE(h2c_pkt, enable); 760 761 if (rtw_wow_no_link(rtwdev)) 762 SET_REMOTE_WAKE_CTRL_NLO_OFFLOAD_EN(h2c_pkt, enable); 763 764 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 765 } 766 767 static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev, 768 enum rtw_rsvd_packet_type type) 769 { 770 struct rtw_rsvd_page *rsvd_pkt; 771 u8 location = 0; 772 773 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 774 if (type == rsvd_pkt->type) 775 location = rsvd_pkt->page; 776 } 777 778 return location; 779 } 780 781 void rtw_fw_set_nlo_info(struct rtw_dev *rtwdev, bool enable) 782 { 783 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 784 u8 loc_nlo; 785 786 loc_nlo = rtw_get_rsvd_page_location(rtwdev, RSVD_NLO_INFO); 787 788 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_NLO_INFO); 789 790 SET_NLO_FUN_EN(h2c_pkt, enable); 791 if (enable) { 792 if (rtw_get_lps_deep_mode(rtwdev) != LPS_DEEP_MODE_NONE) 793 SET_NLO_PS_32K(h2c_pkt, enable); 794 SET_NLO_IGNORE_SECURITY(h2c_pkt, enable); 795 SET_NLO_LOC_NLO_INFO(h2c_pkt, loc_nlo); 796 } 797 798 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 799 } 800 801 void rtw_fw_set_pg_info(struct rtw_dev *rtwdev) 802 { 803 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 804 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 805 u8 loc_pg, loc_dpk; 806 807 loc_pg = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_INFO); 808 loc_dpk = rtw_get_rsvd_page_location(rtwdev, RSVD_LPS_PG_DPK); 809 810 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_LPS_PG_INFO); 811 812 LPS_PG_INFO_LOC(h2c_pkt, loc_pg); 813 LPS_PG_DPK_LOC(h2c_pkt, loc_dpk); 814 LPS_PG_SEC_CAM_EN(h2c_pkt, conf->sec_cam_backup); 815 LPS_PG_PATTERN_CAM_EN(h2c_pkt, conf->pattern_cam_backup); 816 817 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 818 } 819 820 static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev, 821 struct cfg80211_ssid *ssid) 822 { 823 struct rtw_rsvd_page *rsvd_pkt; 824 u8 location = 0; 825 826 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 827 if (rsvd_pkt->type != RSVD_PROBE_REQ) 828 continue; 829 if ((!ssid && !rsvd_pkt->ssid) || 830 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 831 location = rsvd_pkt->page; 832 } 833 834 return location; 835 } 836 837 static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev, 838 struct cfg80211_ssid *ssid) 839 { 840 struct rtw_rsvd_page *rsvd_pkt; 841 u16 size = 0; 842 843 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 844 if (rsvd_pkt->type != RSVD_PROBE_REQ) 845 continue; 846 if ((!ssid && !rsvd_pkt->ssid) || 847 rtw_ssid_equal(rsvd_pkt->ssid, ssid)) 848 size = rsvd_pkt->probe_req_size; 849 } 850 851 return size; 852 } 853 854 void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev) 855 { 856 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 857 u8 location = 0; 858 859 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE); 860 861 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP); 862 *(h2c_pkt + 1) = location; 863 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location); 864 865 location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL); 866 *(h2c_pkt + 2) = location; 867 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location); 868 869 location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL); 870 *(h2c_pkt + 3) = location; 871 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location); 872 873 location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL); 874 *(h2c_pkt + 4) = location; 875 rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location); 876 877 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 878 } 879 880 static struct sk_buff *rtw_nlo_info_get(struct ieee80211_hw *hw) 881 { 882 struct rtw_dev *rtwdev = hw->priv; 883 struct rtw_chip_info *chip = rtwdev->chip; 884 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 885 struct rtw_nlo_info_hdr *nlo_hdr; 886 struct cfg80211_ssid *ssid; 887 struct sk_buff *skb; 888 u8 *pos, loc; 889 u32 size; 890 int i; 891 892 if (!pno_req->inited || !pno_req->match_set_cnt) 893 return NULL; 894 895 size = sizeof(struct rtw_nlo_info_hdr) + pno_req->match_set_cnt * 896 IEEE80211_MAX_SSID_LEN + chip->tx_pkt_desc_sz; 897 898 skb = alloc_skb(size, GFP_KERNEL); 899 if (!skb) 900 return NULL; 901 902 skb_reserve(skb, chip->tx_pkt_desc_sz); 903 904 nlo_hdr = skb_put_zero(skb, sizeof(struct rtw_nlo_info_hdr)); 905 906 nlo_hdr->nlo_count = pno_req->match_set_cnt; 907 nlo_hdr->hidden_ap_count = pno_req->match_set_cnt; 908 909 /* pattern check for firmware */ 910 memset(nlo_hdr->pattern_check, 0xA5, FW_NLO_INFO_CHECK_SIZE); 911 912 for (i = 0; i < pno_req->match_set_cnt; i++) 913 nlo_hdr->ssid_len[i] = pno_req->match_sets[i].ssid.ssid_len; 914 915 for (i = 0; i < pno_req->match_set_cnt; i++) { 916 ssid = &pno_req->match_sets[i].ssid; 917 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 918 if (!loc) { 919 rtw_err(rtwdev, "failed to get probe req rsvd loc\n"); 920 kfree_skb(skb); 921 return NULL; 922 } 923 nlo_hdr->location[i] = loc; 924 } 925 926 for (i = 0; i < pno_req->match_set_cnt; i++) { 927 pos = skb_put_zero(skb, IEEE80211_MAX_SSID_LEN); 928 memcpy(pos, pno_req->match_sets[i].ssid.ssid, 929 pno_req->match_sets[i].ssid.ssid_len); 930 } 931 932 return skb; 933 } 934 935 static struct sk_buff *rtw_cs_channel_info_get(struct ieee80211_hw *hw) 936 { 937 struct rtw_dev *rtwdev = hw->priv; 938 struct rtw_chip_info *chip = rtwdev->chip; 939 struct rtw_pno_request *pno_req = &rtwdev->wow.pno_req; 940 struct ieee80211_channel *channels = pno_req->channels; 941 struct sk_buff *skb; 942 int count = pno_req->channel_cnt; 943 u8 *pos; 944 int i = 0; 945 946 skb = alloc_skb(4 * count + chip->tx_pkt_desc_sz, GFP_KERNEL); 947 if (!skb) 948 return NULL; 949 950 skb_reserve(skb, chip->tx_pkt_desc_sz); 951 952 for (i = 0; i < count; i++) { 953 pos = skb_put_zero(skb, 4); 954 955 CHSW_INFO_SET_CH(pos, channels[i].hw_value); 956 957 if (channels[i].flags & IEEE80211_CHAN_RADAR) 958 CHSW_INFO_SET_ACTION_ID(pos, 0); 959 else 960 CHSW_INFO_SET_ACTION_ID(pos, 1); 961 CHSW_INFO_SET_TIMEOUT(pos, 1); 962 CHSW_INFO_SET_PRI_CH_IDX(pos, 1); 963 CHSW_INFO_SET_BW(pos, 0); 964 } 965 966 return skb; 967 } 968 969 static struct sk_buff *rtw_lps_pg_dpk_get(struct ieee80211_hw *hw) 970 { 971 struct rtw_dev *rtwdev = hw->priv; 972 struct rtw_chip_info *chip = rtwdev->chip; 973 struct rtw_dpk_info *dpk_info = &rtwdev->dm_info.dpk_info; 974 struct rtw_lps_pg_dpk_hdr *dpk_hdr; 975 struct sk_buff *skb; 976 u32 size; 977 978 size = chip->tx_pkt_desc_sz + sizeof(*dpk_hdr); 979 skb = alloc_skb(size, GFP_KERNEL); 980 if (!skb) 981 return NULL; 982 983 skb_reserve(skb, chip->tx_pkt_desc_sz); 984 dpk_hdr = skb_put_zero(skb, sizeof(*dpk_hdr)); 985 dpk_hdr->dpk_ch = dpk_info->dpk_ch; 986 dpk_hdr->dpk_path_ok = dpk_info->dpk_path_ok[0]; 987 memcpy(dpk_hdr->dpk_txagc, dpk_info->dpk_txagc, 2); 988 memcpy(dpk_hdr->dpk_gs, dpk_info->dpk_gs, 4); 989 memcpy(dpk_hdr->coef, dpk_info->coef, 160); 990 991 return skb; 992 } 993 994 static struct sk_buff *rtw_lps_pg_info_get(struct ieee80211_hw *hw) 995 { 996 struct rtw_dev *rtwdev = hw->priv; 997 struct rtw_chip_info *chip = rtwdev->chip; 998 struct rtw_lps_conf *conf = &rtwdev->lps_conf; 999 struct rtw_lps_pg_info_hdr *pg_info_hdr; 1000 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1001 struct sk_buff *skb; 1002 u32 size; 1003 1004 size = chip->tx_pkt_desc_sz + sizeof(*pg_info_hdr); 1005 skb = alloc_skb(size, GFP_KERNEL); 1006 if (!skb) 1007 return NULL; 1008 1009 skb_reserve(skb, chip->tx_pkt_desc_sz); 1010 pg_info_hdr = skb_put_zero(skb, sizeof(*pg_info_hdr)); 1011 pg_info_hdr->tx_bu_page_count = rtwdev->fifo.rsvd_drv_pg_num; 1012 pg_info_hdr->macid = find_first_bit(rtwdev->mac_id_map, RTW_MAX_MAC_ID_NUM); 1013 pg_info_hdr->sec_cam_count = 1014 rtw_sec_cam_pg_backup(rtwdev, pg_info_hdr->sec_cam); 1015 pg_info_hdr->pattern_count = rtw_wow->pattern_cnt; 1016 1017 conf->sec_cam_backup = pg_info_hdr->sec_cam_count != 0; 1018 conf->pattern_cam_backup = rtw_wow->pattern_cnt != 0; 1019 1020 return skb; 1021 } 1022 1023 static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw, 1024 struct rtw_rsvd_page *rsvd_pkt) 1025 { 1026 struct ieee80211_vif *vif; 1027 struct rtw_vif *rtwvif; 1028 struct sk_buff *skb_new; 1029 struct cfg80211_ssid *ssid; 1030 1031 if (rsvd_pkt->type == RSVD_DUMMY) { 1032 skb_new = alloc_skb(1, GFP_KERNEL); 1033 if (!skb_new) 1034 return NULL; 1035 1036 skb_put(skb_new, 1); 1037 return skb_new; 1038 } 1039 1040 rtwvif = rsvd_pkt->rtwvif; 1041 if (!rtwvif) 1042 return NULL; 1043 1044 vif = rtwvif_to_vif(rtwvif); 1045 1046 switch (rsvd_pkt->type) { 1047 case RSVD_BEACON: 1048 skb_new = ieee80211_beacon_get(hw, vif); 1049 break; 1050 case RSVD_PS_POLL: 1051 skb_new = ieee80211_pspoll_get(hw, vif); 1052 break; 1053 case RSVD_PROBE_RESP: 1054 skb_new = ieee80211_proberesp_get(hw, vif); 1055 break; 1056 case RSVD_NULL: 1057 skb_new = ieee80211_nullfunc_get(hw, vif, false); 1058 break; 1059 case RSVD_QOS_NULL: 1060 skb_new = ieee80211_nullfunc_get(hw, vif, true); 1061 break; 1062 case RSVD_LPS_PG_DPK: 1063 skb_new = rtw_lps_pg_dpk_get(hw); 1064 break; 1065 case RSVD_LPS_PG_INFO: 1066 skb_new = rtw_lps_pg_info_get(hw); 1067 break; 1068 case RSVD_PROBE_REQ: 1069 ssid = (struct cfg80211_ssid *)rsvd_pkt->ssid; 1070 if (ssid) 1071 skb_new = ieee80211_probereq_get(hw, vif->addr, 1072 ssid->ssid, 1073 ssid->ssid_len, 0); 1074 else 1075 skb_new = ieee80211_probereq_get(hw, vif->addr, NULL, 0, 0); 1076 if (skb_new) 1077 rsvd_pkt->probe_req_size = (u16)skb_new->len; 1078 break; 1079 case RSVD_NLO_INFO: 1080 skb_new = rtw_nlo_info_get(hw); 1081 break; 1082 case RSVD_CH_INFO: 1083 skb_new = rtw_cs_channel_info_get(hw); 1084 break; 1085 default: 1086 return NULL; 1087 } 1088 1089 if (!skb_new) 1090 return NULL; 1091 1092 return skb_new; 1093 } 1094 1095 static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 1096 enum rtw_rsvd_packet_type type) 1097 { 1098 struct rtw_tx_pkt_info pkt_info = {0}; 1099 struct rtw_chip_info *chip = rtwdev->chip; 1100 u8 *pkt_desc; 1101 1102 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 1103 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 1104 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 1105 rtw_tx_fill_tx_desc(&pkt_info, skb); 1106 } 1107 1108 static inline u8 rtw_len_to_page(unsigned int len, u8 page_size) 1109 { 1110 return DIV_ROUND_UP(len, page_size); 1111 } 1112 1113 static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size, 1114 u8 page_margin, u32 page, u8 *buf, 1115 struct rtw_rsvd_page *rsvd_pkt) 1116 { 1117 struct sk_buff *skb = rsvd_pkt->skb; 1118 1119 if (page >= 1) 1120 memcpy(buf + page_margin + page_size * (page - 1), 1121 skb->data, skb->len); 1122 else 1123 memcpy(buf, skb->data, skb->len); 1124 } 1125 1126 static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 1127 enum rtw_rsvd_packet_type type, 1128 bool txdesc) 1129 { 1130 struct rtw_rsvd_page *rsvd_pkt = NULL; 1131 1132 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); 1133 1134 if (!rsvd_pkt) 1135 return NULL; 1136 1137 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 1138 INIT_LIST_HEAD(&rsvd_pkt->build_list); 1139 rsvd_pkt->type = type; 1140 rsvd_pkt->add_txdesc = txdesc; 1141 1142 return rsvd_pkt; 1143 } 1144 1145 static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 1146 struct rtw_vif *rtwvif, 1147 struct rtw_rsvd_page *rsvd_pkt) 1148 { 1149 lockdep_assert_held(&rtwdev->mutex); 1150 1151 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 1152 } 1153 1154 static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 1155 struct rtw_vif *rtwvif, 1156 enum rtw_rsvd_packet_type type, 1157 bool txdesc) 1158 { 1159 struct rtw_rsvd_page *rsvd_pkt; 1160 1161 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1162 if (!rsvd_pkt) { 1163 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1164 return; 1165 } 1166 1167 rsvd_pkt->rtwvif = rtwvif; 1168 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1169 } 1170 1171 static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1172 struct rtw_vif *rtwvif, 1173 struct cfg80211_ssid *ssid) 1174 { 1175 struct rtw_rsvd_page *rsvd_pkt; 1176 1177 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1178 if (!rsvd_pkt) { 1179 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1180 return; 1181 } 1182 1183 rsvd_pkt->rtwvif = rtwvif; 1184 rsvd_pkt->ssid = ssid; 1185 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1186 } 1187 1188 void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1189 struct rtw_vif *rtwvif) 1190 { 1191 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1192 1193 lockdep_assert_held(&rtwdev->mutex); 1194 1195 /* remove all of the rsvd pages for vif */ 1196 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1197 vif_list) { 1198 list_del(&rsvd_pkt->vif_list); 1199 if (!list_empty(&rsvd_pkt->build_list)) 1200 list_del(&rsvd_pkt->build_list); 1201 kfree(rsvd_pkt); 1202 } 1203 } 1204 1205 void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1206 struct rtw_vif *rtwvif) 1207 { 1208 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1209 1210 if (vif->type != NL80211_IFTYPE_AP && 1211 vif->type != NL80211_IFTYPE_ADHOC && 1212 vif->type != NL80211_IFTYPE_MESH_POINT) { 1213 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1214 vif->type); 1215 return; 1216 } 1217 1218 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1219 } 1220 1221 void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1222 struct rtw_vif *rtwvif) 1223 { 1224 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1225 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1226 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1227 struct cfg80211_ssid *ssid; 1228 int i; 1229 1230 if (vif->type != NL80211_IFTYPE_STATION) { 1231 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1232 vif->type); 1233 return; 1234 } 1235 1236 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1237 ssid = &rtw_pno_req->match_sets[i].ssid; 1238 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1239 } 1240 1241 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1242 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1243 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1244 } 1245 1246 void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1247 struct rtw_vif *rtwvif) 1248 { 1249 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1250 1251 if (vif->type != NL80211_IFTYPE_STATION) { 1252 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1253 vif->type); 1254 return; 1255 } 1256 1257 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1258 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1259 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1260 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1261 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1262 } 1263 1264 int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1265 u8 *buf, u32 size) 1266 { 1267 u8 bckp[2]; 1268 u8 val; 1269 u16 rsvd_pg_head; 1270 u32 bcn_valid_addr; 1271 u32 bcn_valid_mask; 1272 int ret; 1273 1274 lockdep_assert_held(&rtwdev->mutex); 1275 1276 if (!size) 1277 return -EINVAL; 1278 1279 if (rtw_chip_wcpu_11n(rtwdev)) { 1280 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1281 } else { 1282 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1283 pg_addr |= BIT_BCN_VALID_V1; 1284 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1285 } 1286 1287 val = rtw_read8(rtwdev, REG_CR + 1); 1288 bckp[0] = val; 1289 val |= BIT_ENSWBCN >> 8; 1290 rtw_write8(rtwdev, REG_CR + 1, val); 1291 1292 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1293 bckp[1] = val; 1294 val &= ~(BIT_EN_BCNQ_DL >> 16); 1295 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1296 1297 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1298 if (ret) { 1299 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1300 goto restore; 1301 } 1302 1303 if (rtw_chip_wcpu_11n(rtwdev)) { 1304 bcn_valid_addr = REG_DWBCN0_CTRL; 1305 bcn_valid_mask = BIT_BCN_VALID; 1306 } else { 1307 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1308 bcn_valid_mask = BIT_BCN_VALID_V1; 1309 } 1310 1311 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1312 rtw_err(rtwdev, "error beacon valid\n"); 1313 ret = -EBUSY; 1314 } 1315 1316 restore: 1317 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1318 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1319 rsvd_pg_head | BIT_BCN_VALID_V1); 1320 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1321 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1322 1323 return ret; 1324 } 1325 1326 static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1327 { 1328 u32 pg_size; 1329 u32 pg_num = 0; 1330 u16 pg_addr = 0; 1331 1332 pg_size = rtwdev->chip->page_size; 1333 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1334 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1335 return -ENOMEM; 1336 1337 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1338 1339 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1340 } 1341 1342 static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1343 { 1344 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1345 1346 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1347 build_list) { 1348 list_del_init(&rsvd_pkt->build_list); 1349 1350 /* Don't free except for the dummy rsvd page, 1351 * others will be freed when removing vif 1352 */ 1353 if (rsvd_pkt->type == RSVD_DUMMY) 1354 kfree(rsvd_pkt); 1355 } 1356 } 1357 1358 static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1359 struct ieee80211_vif *vif) 1360 { 1361 struct rtw_dev *rtwdev = data; 1362 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1363 struct rtw_rsvd_page *rsvd_pkt; 1364 1365 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1366 if (rsvd_pkt->type == RSVD_BEACON) 1367 list_add(&rsvd_pkt->build_list, 1368 &rtwdev->rsvd_page_list); 1369 else 1370 list_add_tail(&rsvd_pkt->build_list, 1371 &rtwdev->rsvd_page_list); 1372 } 1373 } 1374 1375 static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1376 { 1377 struct rtw_rsvd_page *rsvd_pkt; 1378 1379 __rtw_build_rsvd_page_reset(rtwdev); 1380 1381 /* gather rsvd page from vifs */ 1382 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1383 1384 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1385 struct rtw_rsvd_page, build_list); 1386 if (!rsvd_pkt) { 1387 WARN(1, "Should not have an empty reserved page\n"); 1388 return -EINVAL; 1389 } 1390 1391 /* the first rsvd should be beacon, otherwise add a dummy one */ 1392 if (rsvd_pkt->type != RSVD_BEACON) { 1393 struct rtw_rsvd_page *dummy_pkt; 1394 1395 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1396 if (!dummy_pkt) { 1397 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1398 return -ENOMEM; 1399 } 1400 1401 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1402 } 1403 1404 return 0; 1405 } 1406 1407 static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1408 { 1409 struct ieee80211_hw *hw = rtwdev->hw; 1410 struct rtw_chip_info *chip = rtwdev->chip; 1411 struct sk_buff *iter; 1412 struct rtw_rsvd_page *rsvd_pkt; 1413 u32 page = 0; 1414 u8 total_page = 0; 1415 u8 page_size, page_margin, tx_desc_sz; 1416 u8 *buf; 1417 int ret; 1418 1419 page_size = chip->page_size; 1420 tx_desc_sz = chip->tx_pkt_desc_sz; 1421 page_margin = page_size - tx_desc_sz; 1422 1423 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1424 if (ret) { 1425 rtw_err(rtwdev, 1426 "failed to build rsvd page from vifs, ret %d\n", ret); 1427 return NULL; 1428 } 1429 1430 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1431 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1432 if (!iter) { 1433 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1434 goto release_skb; 1435 } 1436 1437 /* Fill the tx_desc for the rsvd pkt that requires one. 1438 * And iter->len will be added with size of tx_desc_sz. 1439 */ 1440 if (rsvd_pkt->add_txdesc) 1441 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1442 1443 rsvd_pkt->skb = iter; 1444 rsvd_pkt->page = total_page; 1445 1446 /* Reserved page is downloaded via TX path, and TX path will 1447 * generate a tx_desc at the header to describe length of 1448 * the buffer. If we are not counting page numbers with the 1449 * size of tx_desc added at the first rsvd_pkt (usually a 1450 * beacon, firmware default refer to the first page as the 1451 * content of beacon), we could generate a buffer which size 1452 * is smaller than the actual size of the whole rsvd_page 1453 */ 1454 if (total_page == 0) { 1455 if (rsvd_pkt->type != RSVD_BEACON && 1456 rsvd_pkt->type != RSVD_DUMMY) { 1457 rtw_err(rtwdev, "first page should be a beacon\n"); 1458 goto release_skb; 1459 } 1460 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1461 page_size); 1462 } else { 1463 total_page += rtw_len_to_page(iter->len, page_size); 1464 } 1465 } 1466 1467 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1468 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1469 goto release_skb; 1470 } 1471 1472 *size = (total_page - 1) * page_size + page_margin; 1473 buf = kzalloc(*size, GFP_KERNEL); 1474 if (!buf) 1475 goto release_skb; 1476 1477 /* Copy the content of each rsvd_pkt to the buf, and they should 1478 * be aligned to the pages. 1479 * 1480 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1481 * And that rsvd_pkt does not require tx_desc because when it goes 1482 * through TX path, the TX path will generate one for it. 1483 */ 1484 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1485 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1486 page, buf, rsvd_pkt); 1487 if (page == 0) 1488 page += rtw_len_to_page(rsvd_pkt->skb->len + 1489 tx_desc_sz, page_size); 1490 else 1491 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1492 1493 kfree_skb(rsvd_pkt->skb); 1494 rsvd_pkt->skb = NULL; 1495 } 1496 1497 return buf; 1498 1499 release_skb: 1500 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1501 kfree_skb(rsvd_pkt->skb); 1502 rsvd_pkt->skb = NULL; 1503 } 1504 1505 return NULL; 1506 } 1507 1508 static int rtw_download_beacon(struct rtw_dev *rtwdev) 1509 { 1510 struct ieee80211_hw *hw = rtwdev->hw; 1511 struct rtw_rsvd_page *rsvd_pkt; 1512 struct sk_buff *skb; 1513 int ret = 0; 1514 1515 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1516 struct rtw_rsvd_page, build_list); 1517 if (!rsvd_pkt) { 1518 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1519 return -ENOENT; 1520 } 1521 1522 if (rsvd_pkt->type != RSVD_BEACON && 1523 rsvd_pkt->type != RSVD_DUMMY) { 1524 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1525 rsvd_pkt->type); 1526 return -EINVAL; 1527 } 1528 1529 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1530 if (!skb) { 1531 rtw_err(rtwdev, "failed to get beacon skb\n"); 1532 return -ENOMEM; 1533 } 1534 1535 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1536 if (ret) 1537 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1538 1539 dev_kfree_skb(skb); 1540 1541 return ret; 1542 } 1543 1544 int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1545 { 1546 u8 *buf; 1547 u32 size; 1548 int ret; 1549 1550 buf = rtw_build_rsvd_page(rtwdev, &size); 1551 if (!buf) { 1552 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1553 return -ENOMEM; 1554 } 1555 1556 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1557 if (ret) { 1558 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1559 goto free; 1560 } 1561 1562 /* The last thing is to download the *ONLY* beacon again, because 1563 * the previous tx_desc is to describe the total rsvd page. Download 1564 * the beacon again to replace the TX desc header, and we will get 1565 * a correct tx_desc for the beacon in the rsvd page. 1566 */ 1567 ret = rtw_download_beacon(rtwdev); 1568 if (ret) { 1569 rtw_err(rtwdev, "failed to download beacon\n"); 1570 goto free; 1571 } 1572 1573 free: 1574 kfree(buf); 1575 1576 return ret; 1577 } 1578 1579 static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1580 u32 *buf, u32 residue, u16 start_pg) 1581 { 1582 u32 i; 1583 u16 idx = 0; 1584 u16 ctl; 1585 1586 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1587 /* disable rx clock gate */ 1588 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 1589 1590 do { 1591 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl); 1592 1593 for (i = FIFO_DUMP_ADDR + residue; 1594 i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) { 1595 buf[idx++] = rtw_read32(rtwdev, i); 1596 size -= 4; 1597 if (size == 0) 1598 goto out; 1599 } 1600 1601 residue = 0; 1602 start_pg++; 1603 } while (size); 1604 1605 out: 1606 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1607 /* restore rx clock gate */ 1608 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1609 } 1610 1611 static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1612 u32 offset, u32 size, u32 *buf) 1613 { 1614 struct rtw_chip_info *chip = rtwdev->chip; 1615 u32 start_pg, residue; 1616 1617 if (sel >= RTW_FW_FIFO_MAX) { 1618 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1619 return; 1620 } 1621 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1622 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1623 residue = offset & (FIFO_PAGE_SIZE - 1); 1624 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1625 1626 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1627 } 1628 1629 static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1630 enum rtw_fw_fifo_sel sel, 1631 u32 start_addr, u32 size) 1632 { 1633 switch (sel) { 1634 case RTW_FW_FIFO_SEL_TX: 1635 case RTW_FW_FIFO_SEL_RX: 1636 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1637 return false; 1638 fallthrough; 1639 default: 1640 return true; 1641 } 1642 } 1643 1644 int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1645 u32 *buffer) 1646 { 1647 if (!rtwdev->chip->fw_fifo_addr[0]) { 1648 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1649 return -ENOTSUPP; 1650 } 1651 1652 if (size == 0 || !buffer) 1653 return -EINVAL; 1654 1655 if (size & 0x3) { 1656 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1657 return -EINVAL; 1658 } 1659 1660 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1661 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1662 return -EINVAL; 1663 } 1664 1665 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1666 1667 return 0; 1668 } 1669 1670 static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1671 u8 location) 1672 { 1673 struct rtw_chip_info *chip = rtwdev->chip; 1674 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1675 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1676 1677 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1678 1679 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1680 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1681 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1682 1683 /* include txdesc size */ 1684 size += chip->tx_pkt_desc_sz; 1685 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1686 1687 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1688 } 1689 1690 void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1691 struct cfg80211_ssid *ssid) 1692 { 1693 u8 loc; 1694 u16 size; 1695 1696 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1697 if (!loc) { 1698 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1699 return; 1700 } 1701 1702 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1703 if (!size) { 1704 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1705 return; 1706 } 1707 1708 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1709 } 1710 1711 void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1712 { 1713 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1714 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1715 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1716 u8 loc_ch_info; 1717 const struct rtw_ch_switch_option cs_option = { 1718 .dest_ch_en = 1, 1719 .dest_ch = 1, 1720 .periodic_option = 2, 1721 .normal_period = 5, 1722 .normal_period_sel = 0, 1723 .normal_cycle = 10, 1724 .slow_period = 1, 1725 .slow_period_sel = 1, 1726 }; 1727 1728 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1729 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1730 1731 CH_SWITCH_SET_START(h2c_pkt, enable); 1732 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1733 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1734 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1735 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1736 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1737 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1738 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1739 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1740 1741 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1742 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1743 1744 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1745 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1746 1747 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1748 } 1749 1750 void rtw_fw_adaptivity(struct rtw_dev *rtwdev) 1751 { 1752 struct rtw_dm_info *dm_info = &rtwdev->dm_info; 1753 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1754 1755 if (!rtw_edcca_enabled) { 1756 dm_info->edcca_mode = RTW_EDCCA_NORMAL; 1757 rtw_dbg(rtwdev, RTW_DBG_ADAPTIVITY, 1758 "EDCCA disabled by debugfs\n"); 1759 } 1760 1761 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_ADAPTIVITY); 1762 SET_ADAPTIVITY_MODE(h2c_pkt, dm_info->edcca_mode); 1763 SET_ADAPTIVITY_OPTION(h2c_pkt, 2); 1764 SET_ADAPTIVITY_IGI(h2c_pkt, dm_info->igi_history[0]); 1765 SET_ADAPTIVITY_L2H(h2c_pkt, dm_info->l2h_th_ini); 1766 SET_ADAPTIVITY_DENSITY(h2c_pkt, dm_info->scan_density); 1767 1768 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1769 } 1770 1771 void rtw_fw_scan_notify(struct rtw_dev *rtwdev, bool start) 1772 { 1773 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1774 1775 SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SCAN); 1776 SET_SCAN_START(h2c_pkt, start); 1777 1778 rtw_fw_send_h2c_command(rtwdev, h2c_pkt); 1779 } 1780