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