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