drivers/staging/rtlwifi/rtl8822be/trx.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2016  Realtek Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * The full GNU General Public License is included in this distribution in the
  15  * file called LICENSE.
  16  *
  17  * Contact Information:
  18  * wlanfae <wlanfae@realtek.com>
  19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20  * Hsinchu 300, Taiwan.
  21  *
  22  * Larry Finger <Larry.Finger@lwfinger.net>
  23  *
  24  *****************************************************************************/
  25
  26 #include "../wifi.h"
  27 #include "../pci.h"
  28 #include "../base.h"
  29 #include "../stats.h"
  30 #include "reg.h"
  31 #include "def.h"
  32 #include "phy.h"
  33 #include "trx.h"
  34 #include "led.h"
  35 #include "fw.h"
  36
  37 #include <linux/vermagic.h>
  38
  39 static u8 _rtl8822be_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
  40 {
  41         switch (hw_queue) {
  42         case BEACON_QUEUE:
  43                 return QSLT_BEACON;
  44         case H2C_QUEUE:
  45                 return QSLT_CMD;
  46         case MGNT_QUEUE:
  47                 return QSLT_MGNT;
  48         case HIGH_QUEUE:
  49                 return QSLT_HIGH;
  50         default:
  51                 return skb->priority;
  52         }
  53 }
  54
  55 static void _rtl8822be_query_rxphystatus(struct ieee80211_hw *hw, u8 *phystrpt,
  56                                          struct ieee80211_hdr *hdr,
  57                                          struct rtl_stats *pstatus)
  58 {
  59         struct rtl_priv *rtlpriv = rtl_priv(hw);
  60
  61         rtlpriv->phydm.ops->phydm_query_phy_status(rtlpriv, phystrpt, hdr,
  62                                                    pstatus);
  63
  64         /* UI BSS List signal strength(in percentage),
  65          * make it good looking, from 0~100.
  66          */
  67         pstatus->signalstrength =
  68                 (u8)(rtl_signal_scale_mapping(hw, pstatus->rx_pwdb_all));
  69 }
  70
  71 static void _rtl8822be_translate_rx_signal_stuff(struct ieee80211_hw *hw,
  72                                                  struct sk_buff *skb,
  73                                                  struct rtl_stats *pstatus,
  74                                                  u8 *p_phystrpt)
  75 {
  76         struct ieee80211_hdr *hdr;
  77         u8 *tmp_buf;
  78
  79         tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift +
  80                   24;
  81
  82         hdr = (struct ieee80211_hdr *)tmp_buf;
  83
  84         /* query phy status */
  85         _rtl8822be_query_rxphystatus(hw, p_phystrpt, hdr, pstatus);
  86
  87         /* packet statistics */
  88         if (pstatus->packet_beacon && pstatus->packet_matchbssid)
  89                 rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
  90
  91         if (pstatus->packet_matchbssid &&
  92             ieee80211_is_data_qos(hdr->frame_control) &&
  93             !is_multicast_ether_addr(ieee80211_get_DA(hdr))) {
  94                 struct ieee80211_qos_hdr *hdr_qos =
  95                         (struct ieee80211_qos_hdr *)tmp_buf;
  96                 u16 tid = le16_to_cpu(hdr_qos->qos_ctrl) & 0xf;
  97
  98                 if (tid != 0 && tid != 3)
  99                         rtl_priv(hw)->dm.dbginfo.num_non_be_pkt++;
 100         }
 101
 102         /* signal statistics */
 103         if (p_phystrpt)
 104                 rtl_process_phyinfo(hw, tmp_buf, pstatus);
 105 }
 106
 107 static void _rtl8822be_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 108                                         u8 *virtualaddress)
 109 {
 110         u32 dwtmp = 0;
 111
 112         memset(virtualaddress, 0, 8);
 113
 114         SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
 115         if (ptcb_desc->empkt_num == 1) {
 116                 dwtmp = ptcb_desc->empkt_len[0];
 117         } else {
 118                 dwtmp = ptcb_desc->empkt_len[0];
 119                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 120                 dwtmp += ptcb_desc->empkt_len[1];
 121         }
 122         SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
 123
 124         if (ptcb_desc->empkt_num <= 3) {
 125                 dwtmp = ptcb_desc->empkt_len[2];
 126         } else {
 127                 dwtmp = ptcb_desc->empkt_len[2];
 128                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 129                 dwtmp += ptcb_desc->empkt_len[3];
 130         }
 131         SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
 132         if (ptcb_desc->empkt_num <= 5) {
 133                 dwtmp = ptcb_desc->empkt_len[4];
 134         } else {
 135                 dwtmp = ptcb_desc->empkt_len[4];
 136                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 137                 dwtmp += ptcb_desc->empkt_len[5];
 138         }
 139         SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
 140         SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
 141         if (ptcb_desc->empkt_num <= 7) {
 142                 dwtmp = ptcb_desc->empkt_len[6];
 143         } else {
 144                 dwtmp = ptcb_desc->empkt_len[6];
 145                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 146                 dwtmp += ptcb_desc->empkt_len[7];
 147         }
 148         SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
 149         if (ptcb_desc->empkt_num <= 9) {
 150                 dwtmp = ptcb_desc->empkt_len[8];
 151         } else {
 152                 dwtmp = ptcb_desc->empkt_len[8];
 153                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 154                 dwtmp += ptcb_desc->empkt_len[9];
 155         }
 156         SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
 157 }
 158
 159 static bool rtl8822be_get_rxdesc_is_ht(struct ieee80211_hw *hw, u8 *pdesc)
 160 {
 161         struct rtl_priv *rtlpriv = rtl_priv(hw);
 162         u8 rx_rate = 0;
 163
 164         rx_rate = GET_RX_DESC_RX_RATE(pdesc);
 165
 166         RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate);
 167
 168         if ((rx_rate >= DESC_RATEMCS0) && (rx_rate <= DESC_RATEMCS15))
 169                 return true;
 170         else
 171                 return false;
 172 }
 173
 174 static bool rtl8822be_get_rxdesc_is_vht(struct ieee80211_hw *hw, u8 *pdesc)
 175 {
 176         struct rtl_priv *rtlpriv = rtl_priv(hw);
 177         u8 rx_rate = 0;
 178
 179         rx_rate = GET_RX_DESC_RX_RATE(pdesc);
 180
 181         RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate);
 182
 183         if (rx_rate >= DESC_RATEVHT1SS_MCS0)
 184                 return true;
 185         else
 186                 return false;
 187 }
 188
 189 static u8 rtl8822be_get_rx_vht_nss(struct ieee80211_hw *hw, u8 *pdesc)
 190 {
 191         u8 rx_rate = 0;
 192         u8 vht_nss = 0;
 193
 194         rx_rate = GET_RX_DESC_RX_RATE(pdesc);
 195
 196         if ((rx_rate >= DESC_RATEVHT1SS_MCS0) &&
 197             (rx_rate <= DESC_RATEVHT1SS_MCS9))
 198                 vht_nss = 1;
 199         else if ((rx_rate >= DESC_RATEVHT2SS_MCS0) &&
 200                  (rx_rate <= DESC_RATEVHT2SS_MCS9))
 201                 vht_nss = 2;
 202
 203         return vht_nss;
 204 }
 205
 206 bool rtl8822be_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *status,
 207                              struct ieee80211_rx_status *rx_status, u8 *pdesc,
 208                              struct sk_buff *skb)
 209 {
 210         struct rtl_priv *rtlpriv = rtl_priv(hw);
 211         u8 *p_phystrpt = NULL;
 212         struct ieee80211_hdr *hdr;
 213
 214         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 215
 216         if (GET_RX_DESC_C2H(pdesc) == 0)
 217                 status->packet_report_type = NORMAL_RX;
 218         else
 219                 status->packet_report_type = C2H_PACKET;
 220
 221         status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
 222         status->rx_drvinfo_size =
 223                 (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) * RX_DRV_INFO_SIZE_UNIT;
 224         status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
 225         status->icv = (u16)GET_RX_DESC_ICV_ERR(pdesc);
 226         status->crc = (u16)GET_RX_DESC_CRC32(pdesc);
 227         status->hwerror = (status->crc | status->icv);
 228         status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 229         status->rate = (u8)GET_RX_DESC_RX_RATE(pdesc);
 230         status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
 231         status->isfirst_ampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
 232         status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 233         status->is_ht = rtl8822be_get_rxdesc_is_ht(hw, pdesc);
 234         status->is_vht = rtl8822be_get_rxdesc_is_vht(hw, pdesc);
 235         status->vht_nss = rtl8822be_get_rx_vht_nss(hw, pdesc);
 236         status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
 237
 238         status->macid = GET_RX_DESC_MACID(pdesc);
 239         if (GET_RX_DESC_PATTERN_MATCH(pdesc))
 240                 status->wake_match = BIT(2);
 241         else if (GET_RX_DESC_MAGIC_WAKE(pdesc))
 242                 status->wake_match = BIT(1);
 243         else if (GET_RX_DESC_UNICAST_WAKE(pdesc))
 244                 status->wake_match = BIT(0);
 245         else
 246                 status->wake_match = 0;
 247         if (status->wake_match)
 248                 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
 249                          "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
 250                          status->wake_match);
 251         rx_status->freq = hw->conf.chandef.chan->center_freq;
 252         rx_status->band = hw->conf.chandef.chan->band;
 253
 254         if (phystatus)
 255                 p_phystrpt = (skb->data + status->rx_bufshift + 24);
 256
 257         hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size +
 258                                        status->rx_bufshift + 24);
 259
 260         if (status->crc)
 261                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 262
 263         if (status->is_ht)
 264                 rx_status->encoding = RX_ENC_HT;
 265         if (status->is_vht)
 266                 rx_status->encoding = RX_ENC_VHT;
 267
 268         rx_status->nss = status->vht_nss;
 269
 270         rx_status->flag |= RX_FLAG_MACTIME_START;
 271
 272         /* hw will set status->decrypted true, if it finds the
 273          * frame is open data frame or mgmt frame.
 274          */
 275         /* So hw will not decryption robust management frame
 276          * for IEEE80211w but still set status->decrypted
 277          * true, so here we should set it back to undecrypted
 278          * for IEEE80211w frame, and mac80211 sw will help
 279          * to decrypt it
 280          */
 281         if (status->decrypted) {
 282                 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
 283                     (ieee80211_has_protected(hdr->frame_control)))
 284                         rx_status->flag |= RX_FLAG_DECRYPTED;
 285                 else
 286                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 287         }
 288
 289         /* rate_idx: index of data rate into band's
 290          * supported rates or MCS index if HT rates
 291          * are use (RX_FLAG_HT)
 292          */
 293         /* Notice: this is diff with windows define */
 294         rx_status->rate_idx = rtlwifi_rate_mapping(
 295                 hw, status->is_ht, status->is_vht, status->rate);
 296
 297         rx_status->mactime = status->timestamp_low;
 298
 299         _rtl8822be_translate_rx_signal_stuff(hw, skb, status, p_phystrpt);
 300
 301         /* below info. are filled by _rtl8822be_translate_rx_signal_stuff() */
 302         if (!p_phystrpt)
 303                 goto label_no_physt;
 304
 305         rx_status->signal = status->recvsignalpower;
 306
 307         if (status->rx_packet_bw == HT_CHANNEL_WIDTH_20_40)
 308                 rx_status->bw = RATE_INFO_BW_40;
 309         else if (status->rx_packet_bw == HT_CHANNEL_WIDTH_80)
 310                 rx_status->bw = RATE_INFO_BW_80;
 311
 312 label_no_physt:
 313
 314         return true;
 315 }
 316
 317 void rtl8822be_rx_check_dma_ok(struct ieee80211_hw *hw, u8 *header_desc,
 318                                u8 queue_index)
 319 {
 320         struct rtl_priv *rtlpriv = rtl_priv(hw);
 321         u8 first_seg;
 322         u8 last_seg;
 323         u16 total_len;
 324         u16 read_cnt = 0;
 325
 326         if (!header_desc)
 327                 return;
 328
 329         do {
 330                 total_len = (u16)GET_RX_BUFFER_DESC_TOTAL_LENGTH(header_desc);
 331                 first_seg = (u8)GET_RX_BUFFER_DESC_FS(header_desc);
 332                 last_seg = (u8)GET_RX_BUFFER_DESC_LS(header_desc);
 333
 334                 if (read_cnt++ > 20) {
 335                         RT_TRACE(rtlpriv, COMP_RECV, DBG_DMESG,
 336                                  "RX chk DMA over %d times\n", read_cnt);
 337                         break;
 338                 }
 339
 340         } while (total_len == 0 && first_seg == 0 && last_seg == 0);
 341 }
 342
 343 u16 rtl8822be_rx_desc_buff_remained_cnt(struct ieee80211_hw *hw, u8 queue_index)
 344 {
 345         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 346         struct rtl_priv *rtlpriv = rtl_priv(hw);
 347         u16 desc_idx_hw = 0, desc_idx_host = 0, remind_cnt = 0;
 348         u32 tmp_4byte = 0;
 349
 350         u32 rw_mask = 0x1ff;
 351
 352         tmp_4byte = rtl_read_dword(rtlpriv, REG_RXQ_RXBD_IDX_8822B);
 353         desc_idx_hw = (u16)((tmp_4byte >> 16) & rw_mask);
 354         desc_idx_host = (u16)(tmp_4byte & rw_mask);
 355
 356         /* may be no data, donot rx */
 357         if (desc_idx_hw == desc_idx_host)
 358                 return 0;
 359
 360         remind_cnt =
 361                 (desc_idx_hw > desc_idx_host) ?
 362                         (desc_idx_hw - desc_idx_host) :
 363                         (RX_DESC_NUM_8822BE - (desc_idx_host - desc_idx_hw));
 364
 365         rtlpci->rx_ring[queue_index].next_rx_rp = desc_idx_host;
 366
 367         return remind_cnt;
 368 }
 369
 370 static u16 get_desc_address_from_queue_index(u16 queue_index)
 371 {
 372         /*
 373          * Note: Access these registers will take a lot of cost.
 374          */
 375         u16 desc_address = REG_BEQ_TXBD_IDX_8822B;
 376
 377         switch (queue_index) {
 378         case BK_QUEUE:
 379                 desc_address = REG_BKQ_TXBD_IDX_8822B;
 380                 break;
 381         case BE_QUEUE:
 382                 desc_address = REG_BEQ_TXBD_IDX_8822B;
 383                 break;
 384         case VI_QUEUE:
 385                 desc_address = REG_VIQ_TXBD_IDX_8822B;
 386                 break;
 387         case VO_QUEUE:
 388                 desc_address = REG_VOQ_TXBD_IDX_8822B;
 389                 break;
 390         case BEACON_QUEUE:
 391                 desc_address = REG_BEQ_TXBD_IDX_8822B;
 392                 break;
 393         case H2C_QUEUE:
 394                 desc_address = REG_H2CQ_TXBD_IDX_8822B;
 395                 break;
 396         case MGNT_QUEUE:
 397                 desc_address = REG_MGQ_TXBD_IDX_8822B;
 398                 break;
 399         case HIGH_QUEUE:
 400                 desc_address = REG_HI0Q_TXBD_IDX_8822B;
 401                 break;
 402         case HCCA_QUEUE:
 403                 desc_address = REG_BEQ_TXBD_IDX_8822B;
 404                 break;
 405         default:
 406                 break;
 407         }
 408         return desc_address;
 409 }
 410
 411 /*free  desc that can be used */
 412 u16 rtl8822be_get_available_desc(struct ieee80211_hw *hw, u8 q_idx)
 413 {
 414         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 415         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[q_idx];
 416
 417         return calc_fifo_space(ring->cur_tx_rp, ring->cur_tx_wp,
 418                                TX_DESC_NUM_8822B);
 419 }
 420
 421 void rtl8822be_pre_fill_tx_bd_desc(struct ieee80211_hw *hw, u8 *tx_bd_desc,
 422                                    u8 *desc, u8 queue_index,
 423                                    struct sk_buff *skb, dma_addr_t data_addr)
 424 {
 425         struct rtl_priv *rtlpriv = rtl_priv(hw);
 426         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 427         u32 pkt_len = skb->len;
 428         u16 desc_size = 48; /*tx desc size*/
 429         u32 psblen = 0;
 430         u32 total_packet_size = 0;
 431         u16 current_bd_desc;
 432         u8 i = 0;
 433         /*u16 real_desc_size = 0x28;*/
 434         u16 append_early_mode_size = 0;
 435         u8 segmentnum = 1 << (RTL8822BE_SEG_NUM + 1);
 436         dma_addr_t desc_dma_addr;
 437         bool dma64 = rtlpriv->cfg->mod_params->dma64;
 438
 439         current_bd_desc = rtlpci->tx_ring[queue_index].cur_tx_wp;
 440
 441         total_packet_size = desc_size + pkt_len;
 442
 443         if (rtlpriv->rtlhal.earlymode_enable) {
 444                 if (queue_index < BEACON_QUEUE) {
 445                         append_early_mode_size = 8;
 446                         total_packet_size += append_early_mode_size;
 447                 }
 448         }
 449
 450         /* page number (round up) */
 451         psblen = (total_packet_size - 1) / 128 + 1;
 452
 453         /* tx desc addr */
 454         desc_dma_addr = rtlpci->tx_ring[queue_index].dma +
 455                         (current_bd_desc * TX_DESC_SIZE);
 456
 457         /* Reset */
 458         SET_TX_BUFF_DESC_LEN_0(tx_bd_desc, 0);
 459         SET_TX_BUFF_DESC_PSB(tx_bd_desc, 0);
 460         SET_TX_BUFF_DESC_OWN(tx_bd_desc, 0);
 461
 462         for (i = 1; i < segmentnum; i++) {
 463                 SET_TXBUFFER_DESC_LEN_WITH_OFFSET(tx_bd_desc, i, 0);
 464                 SET_TXBUFFER_DESC_AMSDU_WITH_OFFSET(tx_bd_desc, i, 0);
 465                 SET_TXBUFFER_DESC_ADD_LOW_WITH_OFFSET(tx_bd_desc, i, 0);
 466                 SET_TXBUFFER_DESC_ADD_HIGH_WITH_OFFSET(tx_bd_desc, i, 0, dma64);
 467         }
 468
 469         /* Clear all status */
 470         CLEAR_PCI_TX_DESC_CONTENT(desc, TX_DESC_SIZE);
 471
 472         if (rtlpriv->rtlhal.earlymode_enable) {
 473                 if (queue_index < BEACON_QUEUE)
 474                         SET_TX_BUFF_DESC_LEN_0(tx_bd_desc, desc_size + 8);
 475                 else
 476                         SET_TX_BUFF_DESC_LEN_0(tx_bd_desc, desc_size);
 477         } else {
 478                 SET_TX_BUFF_DESC_LEN_0(tx_bd_desc, desc_size);
 479         }
 480         SET_TX_BUFF_DESC_PSB(tx_bd_desc, psblen);
 481         SET_TX_BUFF_DESC_ADDR_LOW_0(tx_bd_desc, desc_dma_addr);
 482         SET_TX_BUFF_DESC_ADDR_HIGH_0(tx_bd_desc, ((u64)desc_dma_addr >> 32),
 483                                      dma64);
 484
 485         SET_TXBUFFER_DESC_LEN_WITH_OFFSET(tx_bd_desc, 1, pkt_len);
 486         SET_TXBUFFER_DESC_AMSDU_WITH_OFFSET(tx_bd_desc, 1, 0);
 487         SET_TXBUFFER_DESC_ADD_LOW_WITH_OFFSET(tx_bd_desc, 1, data_addr);
 488         SET_TXBUFFER_DESC_ADD_HIGH_WITH_OFFSET(tx_bd_desc, 1,
 489                                                ((u64)data_addr >> 32), dma64);
 490
 491         SET_TX_DESC_TXPKTSIZE(desc, (u16)(pkt_len));
 492 }
 493
 494 static u8 rtl8822be_bw_mapping(struct ieee80211_hw *hw,
 495                                struct rtl_tcb_desc *ptcb_desc)
 496 {
 497         struct rtl_priv *rtlpriv = rtl_priv(hw);
 498         struct rtl_phy *rtlphy = &rtlpriv->phy;
 499         u8 bw_setting_of_desc = 0;
 500
 501         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 502                  "%s, current_chan_bw %d, packet_bw %d\n", __func__,
 503                  rtlphy->current_chan_bw, ptcb_desc->packet_bw);
 504
 505         if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
 506                 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80)
 507                         bw_setting_of_desc = 2;
 508                 else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40)
 509                         bw_setting_of_desc = 1;
 510                 else
 511                         bw_setting_of_desc = 0;
 512         } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
 513                 if ((ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) ||
 514                     (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80))
 515                         bw_setting_of_desc = 1;
 516                 else
 517                         bw_setting_of_desc = 0;
 518         } else {
 519                 bw_setting_of_desc = 0;
 520         }
 521
 522         return bw_setting_of_desc;
 523 }
 524
 525 static u8 rtl8822be_sc_mapping(struct ieee80211_hw *hw,
 526                                struct rtl_tcb_desc *ptcb_desc)
 527 {
 528         struct rtl_priv *rtlpriv = rtl_priv(hw);
 529         struct rtl_phy *rtlphy = &rtlpriv->phy;
 530         struct rtl_mac *mac = rtl_mac(rtlpriv);
 531         u8 sc_setting_of_desc = 0;
 532
 533         if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
 534                 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80) {
 535                         sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
 536                 } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 537                         if (mac->cur_80_prime_sc == HAL_PRIME_CHNL_OFFSET_LOWER)
 538                                 sc_setting_of_desc =
 539                                         VHT_DATA_SC_40_LOWER_OF_80MHZ;
 540                         else if (mac->cur_80_prime_sc ==
 541                                  HAL_PRIME_CHNL_OFFSET_UPPER)
 542                                 sc_setting_of_desc =
 543                                         VHT_DATA_SC_40_UPPER_OF_80MHZ;
 544                         else
 545                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
 546                                          "%s: Not Correct Primary40MHz Setting\n",
 547                                          __func__);
 548                 } else {
 549                         if ((mac->cur_40_prime_sc ==
 550                              HAL_PRIME_CHNL_OFFSET_LOWER) &&
 551                             (mac->cur_80_prime_sc ==
 552                              HAL_PRIME_CHNL_OFFSET_LOWER))
 553                                 sc_setting_of_desc =
 554                                         VHT_DATA_SC_20_LOWEST_OF_80MHZ;
 555                         else if ((mac->cur_40_prime_sc ==
 556                                   HAL_PRIME_CHNL_OFFSET_UPPER) &&
 557                                  (mac->cur_80_prime_sc ==
 558                                   HAL_PRIME_CHNL_OFFSET_LOWER))
 559                                 sc_setting_of_desc =
 560                                         VHT_DATA_SC_20_LOWER_OF_80MHZ;
 561                         else if ((mac->cur_40_prime_sc ==
 562                                   HAL_PRIME_CHNL_OFFSET_LOWER) &&
 563                                  (mac->cur_80_prime_sc ==
 564                                   HAL_PRIME_CHNL_OFFSET_UPPER))
 565                                 sc_setting_of_desc =
 566                                         VHT_DATA_SC_20_UPPER_OF_80MHZ;
 567                         else if ((mac->cur_40_prime_sc ==
 568                                   HAL_PRIME_CHNL_OFFSET_UPPER) &&
 569                                  (mac->cur_80_prime_sc ==
 570                                   HAL_PRIME_CHNL_OFFSET_UPPER))
 571                                 sc_setting_of_desc =
 572                                         VHT_DATA_SC_20_UPPERST_OF_80MHZ;
 573                         else
 574                                 RT_TRACE(
 575                                         rtlpriv, COMP_SEND, DBG_LOUD,
 576                                         "rtl8822be_sc_mapping: Not Correct Primary40MHz Setting\n");
 577                 }
 578         } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
 579                 if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 580                         sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
 581                 } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20) {
 582                         if (mac->cur_40_prime_sc ==
 583                             HAL_PRIME_CHNL_OFFSET_UPPER) {
 584                                 sc_setting_of_desc =
 585                                         VHT_DATA_SC_20_UPPER_OF_80MHZ;
 586                         } else if (mac->cur_40_prime_sc ==
 587                                    HAL_PRIME_CHNL_OFFSET_LOWER) {
 588                                 sc_setting_of_desc =
 589                                         VHT_DATA_SC_20_LOWER_OF_80MHZ;
 590                         } else {
 591                                 sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
 592                         }
 593                 }
 594         } else {
 595                 sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
 596         }
 597
 598         return sc_setting_of_desc;
 599 }
 600
 601 void rtl8822be_tx_fill_desc(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr,
 602                             u8 *pdesc_tx, u8 *pbd_desc_tx,
 603                             struct ieee80211_tx_info *info,
 604                             struct ieee80211_sta *sta, struct sk_buff *skb,
 605                             u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 606 {
 607         struct rtl_priv *rtlpriv = rtl_priv(hw);
 608         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 609         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 610         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 611         struct rtl_phy *rtlphy = &rtlpriv->phy;
 612         u8 *pdesc = (u8 *)pdesc_tx;
 613         u16 seq_number;
 614         __le16 fc = hdr->frame_control;
 615         u8 fw_qsel = _rtl8822be_map_hwqueue_to_fwqueue(skb, hw_queue);
 616         bool firstseg =
 617                 ((hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 618         bool lastseg = ((hdr->frame_control &
 619                          cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 620         dma_addr_t mapping;
 621         u8 short_gi = 0;
 622
 623         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 624         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 625         /* reserve 8 byte for AMPDU early mode */
 626         if (rtlhal->earlymode_enable) {
 627                 skb_push(skb, EM_HDR_LEN);
 628                 memset(skb->data, 0, EM_HDR_LEN);
 629         }
 630         mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 631                                  PCI_DMA_TODEVICE);
 632         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 633                 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "DMA mapping error");
 634                 return;
 635         }
 636
 637         if (pbd_desc_tx)
 638                 rtl8822be_pre_fill_tx_bd_desc(hw, pbd_desc_tx, pdesc, hw_queue,
 639                                               skb, mapping);
 640
 641         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 642                 firstseg = true;
 643                 lastseg = true;
 644         }
 645         if (firstseg) {
 646                 if (rtlhal->earlymode_enable) {
 647                         SET_TX_DESC_PKT_OFFSET(pdesc, 1);
 648                         SET_TX_DESC_OFFSET(pdesc,
 649                                            USB_HWDESC_HEADER_LEN + EM_HDR_LEN);
 650                         if (ptcb_desc->empkt_num) {
 651                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 652                                          "Insert 8 byte.pTcb->EMPktNum:%d\n",
 653                                          ptcb_desc->empkt_num);
 654                                 _rtl8822be_insert_emcontent(ptcb_desc,
 655                                                             (u8 *)(skb->data));
 656                         }
 657                 } else {
 658                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 659                 }
 660
 661                 /* tx report */
 662                 rtl_get_tx_report(ptcb_desc, pdesc, hw);
 663
 664                 if (rtlpriv->rtlhal.current_bandtype == BAND_ON_5G &&
 665                     ptcb_desc->hw_rate < DESC_RATE6M) {
 666                         RT_TRACE(rtlpriv, COMP_SEND, DBG_WARNING,
 667                                  "hw_rate=0x%X is invalid in 5G\n",
 668                                  ptcb_desc->hw_rate);
 669                         ptcb_desc->hw_rate = DESC_RATE6M;
 670                 }
 671                 SET_TX_DESC_DATARATE(pdesc, ptcb_desc->hw_rate);
 672
 673                 if (ptcb_desc->hw_rate > DESC_RATEMCS0)
 674                         short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
 675                 else
 676                         short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
 677
 678                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 679                         SET_TX_DESC_AGG_EN(pdesc, 1);
 680                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x1F);
 681                 }
 682                 SET_TX_DESC_SW_SEQ(pdesc, seq_number);
 683                 SET_TX_DESC_RTSEN(pdesc, ((ptcb_desc->rts_enable &&
 684                                            !ptcb_desc->cts_enable) ?
 685                                                   1 :
 686                                                   0));
 687                 SET_TX_DESC_HW_RTS_EN(pdesc, 0);
 688                 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
 689
 690                 SET_TX_DESC_RTSRATE(pdesc, ptcb_desc->rts_rate);
 691                 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
 692                 SET_TX_DESC_RTS_SHORT(
 693                         pdesc,
 694                         ((ptcb_desc->rts_rate <= DESC_RATE54M) ?
 695                                  (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
 696                                  (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 697
 698                 if (ptcb_desc->tx_enable_sw_calc_duration)
 699                         SET_TX_DESC_NAVUSEHDR(pdesc, 1);
 700
 701                 SET_TX_DESC_DATA_BW(pdesc, rtl8822be_bw_mapping(hw, ptcb_desc));
 702                 SET_TX_DESC_DATA_SC(pdesc, rtl8822be_sc_mapping(hw, ptcb_desc));
 703
 704                 if (sta) {
 705                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 706
 707                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 708                 }
 709                 if (info->control.hw_key) {
 710                         struct ieee80211_key_conf *key = info->control.hw_key;
 711
 712                         switch (key->cipher) {
 713                         case WLAN_CIPHER_SUITE_WEP40:
 714                         case WLAN_CIPHER_SUITE_WEP104:
 715                         case WLAN_CIPHER_SUITE_TKIP:
 716                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 717                                 break;
 718                         case WLAN_CIPHER_SUITE_CCMP:
 719                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 720                                 break;
 721                         default:
 722                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 723                                 break;
 724                         }
 725                 }
 726
 727                 SET_TX_DESC_QSEL(pdesc, fw_qsel);
 728
 729                 if (rtlphy->current_channel > 14) {
 730                         /* OFDM 6M */
 731                         SET_TX_DESC_DATA_RTY_LOWEST_RATE(pdesc, 4);
 732                         SET_TX_DESC_RTS_RTY_LOWEST_RATE(pdesc, 4);
 733                 } else {
 734                         /* CCK 1M */
 735                         SET_TX_DESC_DATA_RTY_LOWEST_RATE(pdesc, 0);
 736                         SET_TX_DESC_RTS_RTY_LOWEST_RATE(pdesc, 0);
 737                 }
 738                 SET_TX_DESC_DISDATAFB(pdesc,
 739                                       ptcb_desc->disable_ratefallback ? 1 : 0);
 740                 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 741
 742                 /*SET_TX_DESC_PWR_STATUS(pdesc, pwr_status);*/
 743                 /* Set TxRate and RTSRate in TxDesc  */
 744                 /* This prevent Tx initial rate of new-coming packets */
 745                 /* from being overwritten by retried  packet rate.*/
 746                 if (!ptcb_desc->use_driver_rate) {
 747                         /*SET_TX_DESC_RTS_RATE(pdesc, 0x08); */
 748                         /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
 749                 }
 750                 if (ieee80211_is_data_qos(fc)) {
 751                         if (mac->rdg_en) {
 752                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 753                                          "Enable RDG function.\n");
 754                                 SET_TX_DESC_RDG_EN(pdesc, 1);
 755                                 SET_TX_DESC_HTC(pdesc, 1);
 756                         }
 757                 }
 758
 759                 SET_TX_DESC_PORT_ID(pdesc, 0);
 760                 SET_TX_DESC_MULTIPLE_PORT(pdesc, 0);
 761         }
 762
 763         SET_TX_DESC_LS(pdesc, (lastseg ? 1 : 0));
 764         if (rtlpriv->dm.useramask) {
 765                 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
 766                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 767         } else {
 768                 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
 769                 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
 770         }
 771
 772         SET_TX_DESC_MOREFRAG(pdesc, (lastseg ? 0 : 1));
 773         if (ptcb_desc->multicast || ptcb_desc->broadcast) {
 774                 SET_TX_DESC_BMC(pdesc, 1);
 775                 /* BMC must be not AGG */
 776                 SET_TX_DESC_AGG_EN(pdesc, 0);
 777         }
 778         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 779
 780         /* debug purpose: used to check tx desc is correct or not */
 781         /*rtlpriv->halmac.ops->halmac_chk_txdesc(rtlpriv, pdesc,
 782          *                      skb->len + USB_HWDESC_HEADER_LEN);
 783          */
 784 }
 785
 786 void rtl8822be_tx_fill_special_desc(struct ieee80211_hw *hw, u8 *pdesc,
 787                                     u8 *pbd_desc, struct sk_buff *skb,
 788                                     u8 hw_queue)
 789 {
 790         struct rtl_priv *rtlpriv = rtl_priv(hw);
 791         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 792         u8 fw_queue;
 793         u8 txdesc_len = 48;
 794
 795         dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 796                                             PCI_DMA_TODEVICE);
 797
 798         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 799                 RT_TRACE(rtlpriv, COMP_SEND, DBG_DMESG, "DMA mapping error");
 800                 return;
 801         }
 802
 803         rtl8822be_pre_fill_tx_bd_desc(hw, pbd_desc, pdesc, hw_queue, skb,
 804                                       mapping);
 805
 806         /* it should be BEACON_QUEUE or H2C_QUEUE,
 807          * so skb=NULL is safe to assert
 808          */
 809         fw_queue = _rtl8822be_map_hwqueue_to_fwqueue(NULL, hw_queue);
 810
 811         CLEAR_PCI_TX_DESC_CONTENT(pdesc, txdesc_len);
 812
 813         /* common part for BEACON and H2C */
 814         SET_TX_DESC_TXPKTSIZE((u8 *)pdesc, (u16)(skb->len));
 815
 816         SET_TX_DESC_QSEL(pdesc, fw_queue);
 817
 818         if (hw_queue == H2C_QUEUE) {
 819                 /* fill H2C */
 820                 SET_TX_DESC_OFFSET(pdesc, 0);
 821
 822         } else {
 823                 /* fill beacon */
 824                 SET_TX_DESC_OFFSET(pdesc, txdesc_len);
 825
 826                 SET_TX_DESC_DATARATE(pdesc, DESC_RATE1M);
 827
 828                 SET_TX_DESC_SW_SEQ(pdesc, 0);
 829
 830                 SET_TX_DESC_RATE_ID(pdesc, 7);
 831                 SET_TX_DESC_MACID(pdesc, 0);
 832
 833                 SET_TX_DESC_LS(pdesc, 1);
 834
 835                 SET_TX_DESC_OFFSET(pdesc, 48);
 836
 837                 SET_TX_DESC_USE_RATE(pdesc, 1);
 838         }
 839
 840         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, "H2C Tx Cmd Content\n",
 841                       pdesc, txdesc_len);
 842 }
 843
 844 void rtl8822be_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
 845                         u8 desc_name, u8 *val)
 846 {
 847         struct rtl_priv *rtlpriv = rtl_priv(hw);
 848         u8 q_idx = *val;
 849         bool dma64 = rtlpriv->cfg->mod_params->dma64;
 850
 851         if (istx) {
 852                 switch (desc_name) {
 853                 case HW_DESC_OWN: {
 854                         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 855                         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[q_idx];
 856                         u16 max_tx_desc = ring->entries;
 857
 858                         if (q_idx == BEACON_QUEUE) {
 859                                 /* in case of beacon, pdesc is BD desc. */
 860                                 u8 *pbd_desc = pdesc;
 861
 862                                 ring->cur_tx_wp = 0;
 863                                 ring->cur_tx_rp = 0;
 864                                 SET_TX_BUFF_DESC_OWN(pbd_desc, 1);
 865                                 return;
 866                         }
 867
 868                         /* make sure tx desc is available by caller */
 869                         ring->cur_tx_wp = ((ring->cur_tx_wp + 1) % max_tx_desc);
 870
 871                         rtl_write_word(
 872                                 rtlpriv,
 873                                 get_desc_address_from_queue_index(
 874                                         q_idx),
 875                                 ring->cur_tx_wp);
 876                 } break;
 877                 }
 878         } else {
 879                 switch (desc_name) {
 880                 case HW_DESC_RX_PREPARE:
 881                         SET_RX_BUFFER_DESC_LS(pdesc, 0);
 882                         SET_RX_BUFFER_DESC_FS(pdesc, 0);
 883                         SET_RX_BUFFER_DESC_TOTAL_LENGTH(pdesc, 0);
 884
 885                         SET_RX_BUFFER_DESC_DATA_LENGTH(
 886                                 pdesc, MAX_RECEIVE_BUFFER_SIZE + RX_DESC_SIZE);
 887
 888                         SET_RX_BUFFER_PHYSICAL_LOW(
 889                                 pdesc, (*(dma_addr_t *)val) & DMA_BIT_MASK(32));
 890                         SET_RX_BUFFER_PHYSICAL_HIGH(
 891                                 pdesc, ((u64)(*(dma_addr_t *)val) >> 32),
 892                                 dma64);
 893                         break;
 894                 default:
 895                         WARN_ONCE(true, "ERR rxdesc :%d not process\n",
 896                                   desc_name);
 897                         break;
 898                 }
 899         }
 900 }
 901
 902 u64 rtl8822be_get_desc(struct ieee80211_hw *hw,
 903                        u8 *pdesc, bool istx, u8 desc_name)
 904 {
 905         struct rtl_priv *rtlpriv = rtl_priv(hw);
 906         u64 ret = 0;
 907         u8 *pbd_desc = pdesc;
 908         bool dma64 = rtlpriv->cfg->mod_params->dma64;
 909
 910         if (istx) {
 911                 switch (desc_name) {
 912                 case HW_DESC_TXBUFF_ADDR:
 913                         ret = GET_TXBUFFER_DESC_ADDR_LOW(pbd_desc, 1);
 914                         ret |= (u64)GET_TXBUFFER_DESC_ADDR_HIGH(pbd_desc, 1,
 915                                                                 dma64) << 32;
 916                         break;
 917                 default:
 918                         WARN_ONCE(true, "ERR txdesc :%d not process\n",
 919                                   desc_name);
 920                         break;
 921                 }
 922         } else {
 923                 switch (desc_name) {
 924                 case HW_DESC_RXPKT_LEN:
 925                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 926                         break;
 927                 default:
 928                         WARN_ONCE(true, "ERR rxdesc :%d not process\n",
 929                                   desc_name);
 930                         break;
 931                 }
 932         }
 933         return ret;
 934 }
 935
 936 bool rtl8822be_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue,
 937                                  u16 index)
 938 {
 939         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 940         struct rtl_priv *rtlpriv = rtl_priv(hw);
 941         bool ret = false;
 942         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 943         u16 cur_tx_rp, cur_tx_wp;
 944         u16 tmp16;
 945
 946         /*
 947          * design rule:
 948          *     idx <= cur_tx_rp <= hw_rp <= cur_tx_wp = hw_wp
 949          */
 950
 951         if (index == ring->cur_tx_rp) {
 952                 /* update only if sw_rp reach hw_rp */
 953                 tmp16 = rtl_read_word(
 954                             rtlpriv,
 955                             get_desc_address_from_queue_index(hw_queue) + 2);
 956
 957                 cur_tx_rp = tmp16 & 0x01ff;
 958                 cur_tx_wp = ring->cur_tx_wp;
 959
 960                 /* don't need to update ring->cur_tx_wp */
 961                 ring->cur_tx_rp = cur_tx_rp;
 962         }
 963
 964         if (index == ring->cur_tx_rp)
 965                 ret = false;    /* no more */
 966         else
 967                 ret = true;     /* more */
 968
 969         if (hw_queue == BEACON_QUEUE)
 970                 ret = true;
 971
 972         if (rtlpriv->rtlhal.driver_is_goingto_unload ||
 973             rtlpriv->psc.rfoff_reason > RF_CHANGE_BY_PS)
 974                 ret = true;
 975
 976         return ret;
 977 }
 978
 979 void rtl8822be_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 980 {
 981         struct rtl_priv *rtlpriv = rtl_priv(hw);
 982
 983         if (hw_queue == BEACON_QUEUE) {
 984                 /* kick start */
 985                 rtl_write_byte(
 986                         rtlpriv, REG_RX_RXBD_NUM_8822B + 1,
 987                         rtl_read_byte(rtlpriv, REG_RX_RXBD_NUM_8822B + 1) |
 988                                 BIT(4));
 989         }
 990 }
 991
 992 u32 rtl8822be_rx_command_packet(struct ieee80211_hw *hw,
 993                                 const struct rtl_stats *status,
 994                                 struct sk_buff *skb)
 995 {
 996         u32 result = 0;
 997         struct rtl_priv *rtlpriv = rtl_priv(hw);
 998
 999         switch (status->packet_report_type) {
1000         case NORMAL_RX:
1001                 result = 0;
1002                 break;
1003         case C2H_PACKET:
1004                 rtl8822be_c2h_packet_handler(hw, skb->data, (u8)skb->len);
1005                 result = 1;
1006                 break;
1007         default:
1008                 RT_TRACE(rtlpriv, COMP_RECV, DBG_TRACE,
1009                          "Unknown packet type %d\n",
1010                          status->packet_report_type);
1011                 break;
1012         }
1013
1014         return result;
1015 }