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