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