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