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 17static 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 35static 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 57struct rtw_fw_iter_ra_data { 58 struct rtw_dev *rtwdev; 59 u8 *payload; 60}; 61 62static 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 106legacy: 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 115static 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 129void 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 165unlock: 166 mutex_unlock(&rtwdev->mutex); 167} 168 169void 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} 194EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); 195 196void 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} 203EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); 204 205static 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 261out: 262 spin_unlock(&rtwdev->h2c.lock); 263} 264 265void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) 266{ 267 rtw_fw_send_h2c_command(rtwdev, h2c); 268} 269 270static 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 285void 286rtw_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 306void 307rtw_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 335void 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} 347EXPORT_SYMBOL(rtw_fw_do_iqk); 348 349void 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 360void 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 373void 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 389void 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 401void 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 412void 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 428void 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 445void 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 460void 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 488void 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 499void 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 516void 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 534void 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 556void 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 578void 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 592void 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 606static 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 620void 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 640void 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 659static 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 676static 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->probe_req_size; 688 } 689 690 return size; 691} 692 693void 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 719static 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 774static 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 808static 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 833static 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 862static 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 if (skb_new) 916 rsvd_pkt->probe_req_size = (u16)skb_new->len; 917 break; 918 case RSVD_NLO_INFO: 919 skb_new = rtw_nlo_info_get(hw); 920 break; 921 case RSVD_CH_INFO: 922 skb_new = rtw_cs_channel_info_get(hw); 923 break; 924 default: 925 return NULL; 926 } 927 928 if (!skb_new) 929 return NULL; 930 931 return skb_new; 932} 933 934static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb, 935 enum rtw_rsvd_packet_type type) 936{ 937 struct rtw_tx_pkt_info pkt_info = {0}; 938 struct rtw_chip_info *chip = rtwdev->chip; 939 u8 *pkt_desc; 940 941 rtw_tx_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb, type); 942 pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz); 943 memset(pkt_desc, 0, chip->tx_pkt_desc_sz); 944 rtw_tx_fill_tx_desc(&pkt_info, skb); 945} 946 947static inline u8 rtw_len_to_page(unsigned int len, u8 page_size) 948{ 949 return DIV_ROUND_UP(len, page_size); 950} 951 952static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size, 953 u8 page_margin, u32 page, u8 *buf, 954 struct rtw_rsvd_page *rsvd_pkt) 955{ 956 struct sk_buff *skb = rsvd_pkt->skb; 957 958 if (page >= 1) 959 memcpy(buf + page_margin + page_size * (page - 1), 960 skb->data, skb->len); 961 else 962 memcpy(buf, skb->data, skb->len); 963} 964 965static struct rtw_rsvd_page *rtw_alloc_rsvd_page(struct rtw_dev *rtwdev, 966 enum rtw_rsvd_packet_type type, 967 bool txdesc) 968{ 969 struct rtw_rsvd_page *rsvd_pkt = NULL; 970 971 rsvd_pkt = kzalloc(sizeof(*rsvd_pkt), GFP_KERNEL); 972 973 if (!rsvd_pkt) 974 return NULL; 975 976 INIT_LIST_HEAD(&rsvd_pkt->vif_list); 977 INIT_LIST_HEAD(&rsvd_pkt->build_list); 978 rsvd_pkt->type = type; 979 rsvd_pkt->add_txdesc = txdesc; 980 981 return rsvd_pkt; 982} 983 984static void rtw_insert_rsvd_page(struct rtw_dev *rtwdev, 985 struct rtw_vif *rtwvif, 986 struct rtw_rsvd_page *rsvd_pkt) 987{ 988 lockdep_assert_held(&rtwdev->mutex); 989 990 list_add_tail(&rsvd_pkt->vif_list, &rtwvif->rsvd_page_list); 991} 992 993static void rtw_add_rsvd_page(struct rtw_dev *rtwdev, 994 struct rtw_vif *rtwvif, 995 enum rtw_rsvd_packet_type type, 996 bool txdesc) 997{ 998 struct rtw_rsvd_page *rsvd_pkt; 999 1000 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, type, txdesc); 1001 if (!rsvd_pkt) { 1002 rtw_err(rtwdev, "failed to alloc rsvd page %d\n", type); 1003 return; 1004 } 1005 1006 rsvd_pkt->rtwvif = rtwvif; 1007 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1008} 1009 1010static void rtw_add_rsvd_page_probe_req(struct rtw_dev *rtwdev, 1011 struct rtw_vif *rtwvif, 1012 struct cfg80211_ssid *ssid) 1013{ 1014 struct rtw_rsvd_page *rsvd_pkt; 1015 1016 rsvd_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_PROBE_REQ, true); 1017 if (!rsvd_pkt) { 1018 rtw_err(rtwdev, "failed to alloc probe req rsvd page\n"); 1019 return; 1020 } 1021 1022 rsvd_pkt->rtwvif = rtwvif; 1023 rsvd_pkt->ssid = ssid; 1024 rtw_insert_rsvd_page(rtwdev, rtwvif, rsvd_pkt); 1025} 1026 1027void rtw_remove_rsvd_page(struct rtw_dev *rtwdev, 1028 struct rtw_vif *rtwvif) 1029{ 1030 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1031 1032 lockdep_assert_held(&rtwdev->mutex); 1033 1034 /* remove all of the rsvd pages for vif */ 1035 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwvif->rsvd_page_list, 1036 vif_list) { 1037 list_del(&rsvd_pkt->vif_list); 1038 if (!list_empty(&rsvd_pkt->build_list)) 1039 list_del(&rsvd_pkt->build_list); 1040 kfree(rsvd_pkt); 1041 } 1042} 1043 1044void rtw_add_rsvd_page_bcn(struct rtw_dev *rtwdev, 1045 struct rtw_vif *rtwvif) 1046{ 1047 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1048 1049 if (vif->type != NL80211_IFTYPE_AP && 1050 vif->type != NL80211_IFTYPE_ADHOC && 1051 vif->type != NL80211_IFTYPE_MESH_POINT) { 1052 rtw_warn(rtwdev, "Cannot add beacon rsvd page for %d\n", 1053 vif->type); 1054 return; 1055 } 1056 1057 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_BEACON, false); 1058} 1059 1060void rtw_add_rsvd_page_pno(struct rtw_dev *rtwdev, 1061 struct rtw_vif *rtwvif) 1062{ 1063 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1064 struct rtw_wow_param *rtw_wow = &rtwdev->wow; 1065 struct rtw_pno_request *rtw_pno_req = &rtw_wow->pno_req; 1066 struct cfg80211_ssid *ssid; 1067 int i; 1068 1069 if (vif->type != NL80211_IFTYPE_STATION) { 1070 rtw_warn(rtwdev, "Cannot add PNO rsvd page for %d\n", 1071 vif->type); 1072 return; 1073 } 1074 1075 for (i = 0 ; i < rtw_pno_req->match_set_cnt; i++) { 1076 ssid = &rtw_pno_req->match_sets[i].ssid; 1077 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, ssid); 1078 } 1079 1080 rtw_add_rsvd_page_probe_req(rtwdev, rtwvif, NULL); 1081 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NLO_INFO, false); 1082 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_CH_INFO, true); 1083} 1084 1085void rtw_add_rsvd_page_sta(struct rtw_dev *rtwdev, 1086 struct rtw_vif *rtwvif) 1087{ 1088 struct ieee80211_vif *vif = rtwvif_to_vif(rtwvif); 1089 1090 if (vif->type != NL80211_IFTYPE_STATION) { 1091 rtw_warn(rtwdev, "Cannot add sta rsvd page for %d\n", 1092 vif->type); 1093 return; 1094 } 1095 1096 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_PS_POLL, true); 1097 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_QOS_NULL, true); 1098 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_NULL, true); 1099 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_DPK, true); 1100 rtw_add_rsvd_page(rtwdev, rtwvif, RSVD_LPS_PG_INFO, true); 1101} 1102 1103int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr, 1104 u8 *buf, u32 size) 1105{ 1106 u8 bckp[2]; 1107 u8 val; 1108 u16 rsvd_pg_head; 1109 u32 bcn_valid_addr; 1110 u32 bcn_valid_mask; 1111 int ret; 1112 1113 lockdep_assert_held(&rtwdev->mutex); 1114 1115 if (!size) 1116 return -EINVAL; 1117 1118 if (rtw_chip_wcpu_11n(rtwdev)) { 1119 rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID); 1120 } else { 1121 pg_addr &= BIT_MASK_BCN_HEAD_1_V1; 1122 pg_addr |= BIT_BCN_VALID_V1; 1123 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr); 1124 } 1125 1126 val = rtw_read8(rtwdev, REG_CR + 1); 1127 bckp[0] = val; 1128 val |= BIT_ENSWBCN >> 8; 1129 rtw_write8(rtwdev, REG_CR + 1, val); 1130 1131 val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2); 1132 bckp[1] = val; 1133 val &= ~(BIT_EN_BCNQ_DL >> 16); 1134 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val); 1135 1136 ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size); 1137 if (ret) { 1138 rtw_err(rtwdev, "failed to write data to rsvd page\n"); 1139 goto restore; 1140 } 1141 1142 if (rtw_chip_wcpu_11n(rtwdev)) { 1143 bcn_valid_addr = REG_DWBCN0_CTRL; 1144 bcn_valid_mask = BIT_BCN_VALID; 1145 } else { 1146 bcn_valid_addr = REG_FIFOPAGE_CTRL_2; 1147 bcn_valid_mask = BIT_BCN_VALID_V1; 1148 } 1149 1150 if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) { 1151 rtw_err(rtwdev, "error beacon valid\n"); 1152 ret = -EBUSY; 1153 } 1154 1155restore: 1156 rsvd_pg_head = rtwdev->fifo.rsvd_boundary; 1157 rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, 1158 rsvd_pg_head | BIT_BCN_VALID_V1); 1159 rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]); 1160 rtw_write8(rtwdev, REG_CR + 1, bckp[0]); 1161 1162 return ret; 1163} 1164 1165static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 1166{ 1167 u32 pg_size; 1168 u32 pg_num = 0; 1169 u16 pg_addr = 0; 1170 1171 pg_size = rtwdev->chip->page_size; 1172 pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0); 1173 if (pg_num > rtwdev->fifo.rsvd_drv_pg_num) 1174 return -ENOMEM; 1175 1176 pg_addr = rtwdev->fifo.rsvd_drv_addr; 1177 1178 return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size); 1179} 1180 1181static void __rtw_build_rsvd_page_reset(struct rtw_dev *rtwdev) 1182{ 1183 struct rtw_rsvd_page *rsvd_pkt, *tmp; 1184 1185 list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, 1186 build_list) { 1187 list_del_init(&rsvd_pkt->build_list); 1188 1189 /* Don't free except for the dummy rsvd page, 1190 * others will be freed when removing vif 1191 */ 1192 if (rsvd_pkt->type == RSVD_DUMMY) 1193 kfree(rsvd_pkt); 1194 } 1195} 1196 1197static void rtw_build_rsvd_page_iter(void *data, u8 *mac, 1198 struct ieee80211_vif *vif) 1199{ 1200 struct rtw_dev *rtwdev = data; 1201 struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv; 1202 struct rtw_rsvd_page *rsvd_pkt; 1203 1204 list_for_each_entry(rsvd_pkt, &rtwvif->rsvd_page_list, vif_list) { 1205 if (rsvd_pkt->type == RSVD_BEACON) 1206 list_add(&rsvd_pkt->build_list, 1207 &rtwdev->rsvd_page_list); 1208 else 1209 list_add_tail(&rsvd_pkt->build_list, 1210 &rtwdev->rsvd_page_list); 1211 } 1212} 1213 1214static int __rtw_build_rsvd_page_from_vifs(struct rtw_dev *rtwdev) 1215{ 1216 struct rtw_rsvd_page *rsvd_pkt; 1217 1218 __rtw_build_rsvd_page_reset(rtwdev); 1219 1220 /* gather rsvd page from vifs */ 1221 rtw_iterate_vifs_atomic(rtwdev, rtw_build_rsvd_page_iter, rtwdev); 1222 1223 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1224 struct rtw_rsvd_page, build_list); 1225 if (!rsvd_pkt) { 1226 WARN(1, "Should not have an empty reserved page\n"); 1227 return -EINVAL; 1228 } 1229 1230 /* the first rsvd should be beacon, otherwise add a dummy one */ 1231 if (rsvd_pkt->type != RSVD_BEACON) { 1232 struct rtw_rsvd_page *dummy_pkt; 1233 1234 dummy_pkt = rtw_alloc_rsvd_page(rtwdev, RSVD_DUMMY, false); 1235 if (!dummy_pkt) { 1236 rtw_err(rtwdev, "failed to alloc dummy rsvd page\n"); 1237 return -ENOMEM; 1238 } 1239 1240 list_add(&dummy_pkt->build_list, &rtwdev->rsvd_page_list); 1241 } 1242 1243 return 0; 1244} 1245 1246static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev, u32 *size) 1247{ 1248 struct ieee80211_hw *hw = rtwdev->hw; 1249 struct rtw_chip_info *chip = rtwdev->chip; 1250 struct sk_buff *iter; 1251 struct rtw_rsvd_page *rsvd_pkt; 1252 u32 page = 0; 1253 u8 total_page = 0; 1254 u8 page_size, page_margin, tx_desc_sz; 1255 u8 *buf; 1256 int ret; 1257 1258 page_size = chip->page_size; 1259 tx_desc_sz = chip->tx_pkt_desc_sz; 1260 page_margin = page_size - tx_desc_sz; 1261 1262 ret = __rtw_build_rsvd_page_from_vifs(rtwdev); 1263 if (ret) { 1264 rtw_err(rtwdev, 1265 "failed to build rsvd page from vifs, ret %d\n", ret); 1266 return NULL; 1267 } 1268 1269 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1270 iter = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1271 if (!iter) { 1272 rtw_err(rtwdev, "failed to build rsvd packet\n"); 1273 goto release_skb; 1274 } 1275 1276 /* Fill the tx_desc for the rsvd pkt that requires one. 1277 * And iter->len will be added with size of tx_desc_sz. 1278 */ 1279 if (rsvd_pkt->add_txdesc) 1280 rtw_fill_rsvd_page_desc(rtwdev, iter, rsvd_pkt->type); 1281 1282 rsvd_pkt->skb = iter; 1283 rsvd_pkt->page = total_page; 1284 1285 /* Reserved page is downloaded via TX path, and TX path will 1286 * generate a tx_desc at the header to describe length of 1287 * the buffer. If we are not counting page numbers with the 1288 * size of tx_desc added at the first rsvd_pkt (usually a 1289 * beacon, firmware default refer to the first page as the 1290 * content of beacon), we could generate a buffer which size 1291 * is smaller than the actual size of the whole rsvd_page 1292 */ 1293 if (total_page == 0) { 1294 if (rsvd_pkt->type != RSVD_BEACON && 1295 rsvd_pkt->type != RSVD_DUMMY) { 1296 rtw_err(rtwdev, "first page should be a beacon\n"); 1297 goto release_skb; 1298 } 1299 total_page += rtw_len_to_page(iter->len + tx_desc_sz, 1300 page_size); 1301 } else { 1302 total_page += rtw_len_to_page(iter->len, page_size); 1303 } 1304 } 1305 1306 if (total_page > rtwdev->fifo.rsvd_drv_pg_num) { 1307 rtw_err(rtwdev, "rsvd page over size: %d\n", total_page); 1308 goto release_skb; 1309 } 1310 1311 *size = (total_page - 1) * page_size + page_margin; 1312 buf = kzalloc(*size, GFP_KERNEL); 1313 if (!buf) 1314 goto release_skb; 1315 1316 /* Copy the content of each rsvd_pkt to the buf, and they should 1317 * be aligned to the pages. 1318 * 1319 * Note that the first rsvd_pkt is a beacon no matter what vif->type. 1320 * And that rsvd_pkt does not require tx_desc because when it goes 1321 * through TX path, the TX path will generate one for it. 1322 */ 1323 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1324 rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin, 1325 page, buf, rsvd_pkt); 1326 if (page == 0) 1327 page += rtw_len_to_page(rsvd_pkt->skb->len + 1328 tx_desc_sz, page_size); 1329 else 1330 page += rtw_len_to_page(rsvd_pkt->skb->len, page_size); 1331 1332 kfree_skb(rsvd_pkt->skb); 1333 rsvd_pkt->skb = NULL; 1334 } 1335 1336 return buf; 1337 1338release_skb: 1339 list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, build_list) { 1340 kfree_skb(rsvd_pkt->skb); 1341 rsvd_pkt->skb = NULL; 1342 } 1343 1344 return NULL; 1345} 1346 1347static int rtw_download_beacon(struct rtw_dev *rtwdev) 1348{ 1349 struct ieee80211_hw *hw = rtwdev->hw; 1350 struct rtw_rsvd_page *rsvd_pkt; 1351 struct sk_buff *skb; 1352 int ret = 0; 1353 1354 rsvd_pkt = list_first_entry_or_null(&rtwdev->rsvd_page_list, 1355 struct rtw_rsvd_page, build_list); 1356 if (!rsvd_pkt) { 1357 rtw_err(rtwdev, "failed to get rsvd page from build list\n"); 1358 return -ENOENT; 1359 } 1360 1361 if (rsvd_pkt->type != RSVD_BEACON && 1362 rsvd_pkt->type != RSVD_DUMMY) { 1363 rtw_err(rtwdev, "invalid rsvd page type %d, should be beacon or dummy\n", 1364 rsvd_pkt->type); 1365 return -EINVAL; 1366 } 1367 1368 skb = rtw_get_rsvd_page_skb(hw, rsvd_pkt); 1369 if (!skb) { 1370 rtw_err(rtwdev, "failed to get beacon skb\n"); 1371 return -ENOMEM; 1372 } 1373 1374 ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len); 1375 if (ret) 1376 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1377 1378 dev_kfree_skb(skb); 1379 1380 return ret; 1381} 1382 1383int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev) 1384{ 1385 u8 *buf; 1386 u32 size; 1387 int ret; 1388 1389 buf = rtw_build_rsvd_page(rtwdev, &size); 1390 if (!buf) { 1391 rtw_err(rtwdev, "failed to build rsvd page pkt\n"); 1392 return -ENOMEM; 1393 } 1394 1395 ret = rtw_download_drv_rsvd_page(rtwdev, buf, size); 1396 if (ret) { 1397 rtw_err(rtwdev, "failed to download drv rsvd page\n"); 1398 goto free; 1399 } 1400 1401 /* The last thing is to download the *ONLY* beacon again, because 1402 * the previous tx_desc is to describe the total rsvd page. Download 1403 * the beacon again to replace the TX desc header, and we will get 1404 * a correct tx_desc for the beacon in the rsvd page. 1405 */ 1406 ret = rtw_download_beacon(rtwdev); 1407 if (ret) { 1408 rtw_err(rtwdev, "failed to download beacon\n"); 1409 goto free; 1410 } 1411 1412free: 1413 kfree(buf); 1414 1415 return ret; 1416} 1417 1418static void rtw_fw_read_fifo_page(struct rtw_dev *rtwdev, u32 offset, u32 size, 1419 u32 *buf, u32 residue, u16 start_pg) 1420{ 1421 u32 i; 1422 u16 idx = 0; 1423 u16 ctl; 1424 1425 ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000; 1426 /* disable rx clock gate */ 1427 rtw_write32_set(rtwdev, REG_RCR, BIT_DISGCLK); 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 1444out: 1445 rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl); 1446 /* restore rx clock gate */ 1447 rtw_write32_clr(rtwdev, REG_RCR, BIT_DISGCLK); 1448} 1449 1450static void rtw_fw_read_fifo(struct rtw_dev *rtwdev, enum rtw_fw_fifo_sel sel, 1451 u32 offset, u32 size, u32 *buf) 1452{ 1453 struct rtw_chip_info *chip = rtwdev->chip; 1454 u32 start_pg, residue; 1455 1456 if (sel >= RTW_FW_FIFO_MAX) { 1457 rtw_dbg(rtwdev, RTW_DBG_FW, "wrong fw fifo sel\n"); 1458 return; 1459 } 1460 if (sel == RTW_FW_FIFO_SEL_RSVD_PAGE) 1461 offset += rtwdev->fifo.rsvd_boundary << TX_PAGE_SIZE_SHIFT; 1462 residue = offset & (FIFO_PAGE_SIZE - 1); 1463 start_pg = (offset >> FIFO_PAGE_SIZE_SHIFT) + chip->fw_fifo_addr[sel]; 1464 1465 rtw_fw_read_fifo_page(rtwdev, offset, size, buf, residue, start_pg); 1466} 1467 1468static bool rtw_fw_dump_check_size(struct rtw_dev *rtwdev, 1469 enum rtw_fw_fifo_sel sel, 1470 u32 start_addr, u32 size) 1471{ 1472 switch (sel) { 1473 case RTW_FW_FIFO_SEL_TX: 1474 case RTW_FW_FIFO_SEL_RX: 1475 if ((start_addr + size) > rtwdev->chip->fw_fifo_addr[sel]) 1476 return false; 1477 /*fall through*/ 1478 default: 1479 return true; 1480 } 1481} 1482 1483int rtw_fw_dump_fifo(struct rtw_dev *rtwdev, u8 fifo_sel, u32 addr, u32 size, 1484 u32 *buffer) 1485{ 1486 if (!rtwdev->chip->fw_fifo_addr[0]) { 1487 rtw_dbg(rtwdev, RTW_DBG_FW, "chip not support dump fw fifo\n"); 1488 return -ENOTSUPP; 1489 } 1490 1491 if (size == 0 || !buffer) 1492 return -EINVAL; 1493 1494 if (size & 0x3) { 1495 rtw_dbg(rtwdev, RTW_DBG_FW, "not 4byte alignment\n"); 1496 return -EINVAL; 1497 } 1498 1499 if (!rtw_fw_dump_check_size(rtwdev, fifo_sel, addr, size)) { 1500 rtw_dbg(rtwdev, RTW_DBG_FW, "fw fifo dump size overflow\n"); 1501 return -EINVAL; 1502 } 1503 1504 rtw_fw_read_fifo(rtwdev, fifo_sel, addr, size, buffer); 1505 1506 return 0; 1507} 1508 1509static void __rtw_fw_update_pkt(struct rtw_dev *rtwdev, u8 pkt_id, u16 size, 1510 u8 location) 1511{ 1512 struct rtw_chip_info *chip = rtwdev->chip; 1513 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1514 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_UPDATE_PKT_LEN; 1515 1516 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_UPDATE_PKT); 1517 1518 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1519 UPDATE_PKT_SET_PKT_ID(h2c_pkt, pkt_id); 1520 UPDATE_PKT_SET_LOCATION(h2c_pkt, location); 1521 1522 /* include txdesc size */ 1523 size += chip->tx_pkt_desc_sz; 1524 UPDATE_PKT_SET_SIZE(h2c_pkt, size); 1525 1526 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1527} 1528 1529void rtw_fw_update_pkt_probe_req(struct rtw_dev *rtwdev, 1530 struct cfg80211_ssid *ssid) 1531{ 1532 u8 loc; 1533 u16 size; 1534 1535 loc = rtw_get_rsvd_page_probe_req_location(rtwdev, ssid); 1536 if (!loc) { 1537 rtw_err(rtwdev, "failed to get probe_req rsvd loc\n"); 1538 return; 1539 } 1540 1541 size = rtw_get_rsvd_page_probe_req_size(rtwdev, ssid); 1542 if (!size) { 1543 rtw_err(rtwdev, "failed to get probe_req rsvd size\n"); 1544 return; 1545 } 1546 1547 __rtw_fw_update_pkt(rtwdev, RTW_PACKET_PROBE_REQ, size, loc); 1548} 1549 1550void rtw_fw_channel_switch(struct rtw_dev *rtwdev, bool enable) 1551{ 1552 struct rtw_pno_request *rtw_pno_req = &rtwdev->wow.pno_req; 1553 u8 h2c_pkt[H2C_PKT_SIZE] = {0}; 1554 u16 total_size = H2C_PKT_HDR_SIZE + H2C_PKT_CH_SWITCH_LEN; 1555 u8 loc_ch_info; 1556 const struct rtw_ch_switch_option cs_option = { 1557 .dest_ch_en = 1, 1558 .dest_ch = 1, 1559 .periodic_option = 2, 1560 .normal_period = 5, 1561 .normal_period_sel = 0, 1562 .normal_cycle = 10, 1563 .slow_period = 1, 1564 .slow_period_sel = 1, 1565 }; 1566 1567 rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_CH_SWITCH); 1568 SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size); 1569 1570 CH_SWITCH_SET_START(h2c_pkt, enable); 1571 CH_SWITCH_SET_DEST_CH_EN(h2c_pkt, cs_option.dest_ch_en); 1572 CH_SWITCH_SET_DEST_CH(h2c_pkt, cs_option.dest_ch); 1573 CH_SWITCH_SET_NORMAL_PERIOD(h2c_pkt, cs_option.normal_period); 1574 CH_SWITCH_SET_NORMAL_PERIOD_SEL(h2c_pkt, cs_option.normal_period_sel); 1575 CH_SWITCH_SET_SLOW_PERIOD(h2c_pkt, cs_option.slow_period); 1576 CH_SWITCH_SET_SLOW_PERIOD_SEL(h2c_pkt, cs_option.slow_period_sel); 1577 CH_SWITCH_SET_NORMAL_CYCLE(h2c_pkt, cs_option.normal_cycle); 1578 CH_SWITCH_SET_PERIODIC_OPT(h2c_pkt, cs_option.periodic_option); 1579 1580 CH_SWITCH_SET_CH_NUM(h2c_pkt, rtw_pno_req->channel_cnt); 1581 CH_SWITCH_SET_INFO_SIZE(h2c_pkt, rtw_pno_req->channel_cnt * 4); 1582 1583 loc_ch_info = rtw_get_rsvd_page_location(rtwdev, RSVD_CH_INFO); 1584 CH_SWITCH_SET_INFO_LOC(h2c_pkt, loc_ch_info); 1585 1586 rtw_fw_send_h2c_packet(rtwdev, h2c_pkt); 1587} 1588