drivers/net/wireless/realtek/rtlwifi/rtl8192se/trx.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright(c) 2009-2012  Realtek Corporation.*/
   3
   4 #include "../wifi.h"
   5 #include "../pci.h"
   6 #include "../base.h"
   7 #include "../stats.h"
   8 #include "reg.h"
   9 #include "def.h"
  10 #include "phy.h"
  11 #include "fw.h"
  12 #include "trx.h"
  13 #include "led.h"
  14
  15 static u8 _rtl92se_map_hwqueue_to_fwqueue(struct sk_buff *skb,  u8 skb_queue)
  16 {
  17         __le16 fc = rtl_get_fc(skb);
  18
  19         if (unlikely(ieee80211_is_beacon(fc)))
  20                 return QSLT_BEACON;
  21         if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
  22                 return QSLT_MGNT;
  23         if (ieee80211_is_nullfunc(fc))
  24                 return QSLT_HIGH;
  25
  26         /* Kernel commit 1bf4bbb4024dcdab changed EAPOL packets to use
  27          * queue V0 at priority 7; however, the RTL8192SE appears to have
  28          * that queue at priority 6
  29          */
  30         if (skb->priority == 7)
  31                 return QSLT_VO;
  32         return skb->priority;
  33 }
  34
  35 static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw,
  36                                        struct rtl_stats *pstats, __le32 *pdesc,
  37                                        struct rx_fwinfo *p_drvinfo,
  38                                        bool packet_match_bssid,
  39                                        bool packet_toself,
  40                                        bool packet_beacon)
  41 {
  42         struct rtl_priv *rtlpriv = rtl_priv(hw);
  43         struct phy_sts_cck_8192s_t *cck_buf;
  44         struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
  45         s8 rx_pwr_all = 0, rx_pwr[4];
  46         u8 rf_rx_num = 0, evm, pwdb_all;
  47         u8 i, max_spatial_stream;
  48         u32 rssi, total_rssi = 0;
  49         bool is_cck = pstats->is_cck;
  50
  51         pstats->packet_matchbssid = packet_match_bssid;
  52         pstats->packet_toself = packet_toself;
  53         pstats->packet_beacon = packet_beacon;
  54         pstats->rx_mimo_sig_qual[0] = -1;
  55         pstats->rx_mimo_sig_qual[1] = -1;
  56
  57         if (is_cck) {
  58                 u8 report, cck_highpwr;
  59                 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
  60
  61                 if (ppsc->rfpwr_state == ERFON)
  62                         cck_highpwr = (u8) rtl_get_bbreg(hw,
  63                                                 RFPGA0_XA_HSSIPARAMETER2,
  64                                                 0x200);
  65                 else
  66                         cck_highpwr = false;
  67
  68                 if (!cck_highpwr) {
  69                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
  70                         report = cck_buf->cck_agc_rpt & 0xc0;
  71                         report = report >> 6;
  72                         switch (report) {
  73                         case 0x3:
  74                                 rx_pwr_all = -40 - (cck_agc_rpt & 0x3e);
  75                                 break;
  76                         case 0x2:
  77                                 rx_pwr_all = -20 - (cck_agc_rpt & 0x3e);
  78                                 break;
  79                         case 0x1:
  80                                 rx_pwr_all = -2 - (cck_agc_rpt & 0x3e);
  81                                 break;
  82                         case 0x0:
  83                                 rx_pwr_all = 14 - (cck_agc_rpt & 0x3e);
  84                                 break;
  85                         }
  86                 } else {
  87                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
  88                         report = p_drvinfo->cfosho[0] & 0x60;
  89                         report = report >> 5;
  90                         switch (report) {
  91                         case 0x3:
  92                                 rx_pwr_all = -40 - ((cck_agc_rpt & 0x1f) << 1);
  93                                 break;
  94                         case 0x2:
  95                                 rx_pwr_all = -20 - ((cck_agc_rpt & 0x1f) << 1);
  96                                 break;
  97                         case 0x1:
  98                                 rx_pwr_all = -2 - ((cck_agc_rpt & 0x1f) << 1);
  99                                 break;
 100                         case 0x0:
 101                                 rx_pwr_all = 14 - ((cck_agc_rpt & 0x1f) << 1);
 102                                 break;
 103                         }
 104                 }
 105
 106                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 107
 108                 /* CCK gain is smaller than OFDM/MCS gain,  */
 109                 /* so we add gain diff by experiences, the val is 6 */
 110                 pwdb_all += 6;
 111                 if (pwdb_all > 100)
 112                         pwdb_all = 100;
 113                 /* modify the offset to make the same gain index with OFDM. */
 114                 if (pwdb_all > 34 && pwdb_all <= 42)
 115                         pwdb_all -= 2;
 116                 else if (pwdb_all > 26 && pwdb_all <= 34)
 117                         pwdb_all -= 6;
 118                 else if (pwdb_all > 14 && pwdb_all <= 26)
 119                         pwdb_all -= 8;
 120                 else if (pwdb_all > 4 && pwdb_all <= 14)
 121                         pwdb_all -= 4;
 122
 123                 pstats->rx_pwdb_all = pwdb_all;
 124                 pstats->recvsignalpower = rx_pwr_all;
 125
 126                 if (packet_match_bssid) {
 127                         u8 sq;
 128                         if (pstats->rx_pwdb_all > 40) {
 129                                 sq = 100;
 130                         } else {
 131                                 sq = cck_buf->sq_rpt;
 132                                 if (sq > 64)
 133                                         sq = 0;
 134                                 else if (sq < 20)
 135                                         sq = 100;
 136                                 else
 137                                         sq = ((64 - sq) * 100) / 44;
 138                         }
 139
 140                         pstats->signalquality = sq;
 141                         pstats->rx_mimo_sig_qual[0] = sq;
 142                         pstats->rx_mimo_sig_qual[1] = -1;
 143                 }
 144         } else {
 145                 rtlpriv->dm.rfpath_rxenable[0] =
 146                     rtlpriv->dm.rfpath_rxenable[1] = true;
 147                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 148                         if (rtlpriv->dm.rfpath_rxenable[i])
 149                                 rf_rx_num++;
 150
 151                         rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
 152                                     0x3f) * 2) - 110;
 153                         rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 154                         total_rssi += rssi;
 155                         rtlpriv->stats.rx_snr_db[i] =
 156                                          (long)(p_drvinfo->rxsnr[i] / 2);
 157
 158                         if (packet_match_bssid)
 159                                 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
 160                 }
 161
 162                 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 163                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 164                 pstats->rx_pwdb_all = pwdb_all;
 165                 pstats->rxpower = rx_pwr_all;
 166                 pstats->recvsignalpower = rx_pwr_all;
 167
 168                 if (pstats->is_ht && pstats->rate >= DESC_RATEMCS8 &&
 169                     pstats->rate <= DESC_RATEMCS15)
 170                         max_spatial_stream = 2;
 171                 else
 172                         max_spatial_stream = 1;
 173
 174                 for (i = 0; i < max_spatial_stream; i++) {
 175                         evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 176
 177                         if (packet_match_bssid) {
 178                                 if (i == 0)
 179                                         pstats->signalquality = (u8)(evm &
 180                                                                  0xff);
 181                                 pstats->rx_mimo_sig_qual[i] = (u8) (evm & 0xff);
 182                         }
 183                 }
 184         }
 185
 186         if (is_cck)
 187                 pstats->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 188                                          pwdb_all));
 189         else if (rf_rx_num != 0)
 190                 pstats->signalstrength = (u8) (rtl_signal_scale_mapping(hw,
 191                                 total_rssi /= rf_rx_num));
 192 }
 193
 194 static void _rtl92se_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 195                 struct sk_buff *skb, struct rtl_stats *pstats,
 196                 __le32 *pdesc, struct rx_fwinfo *p_drvinfo)
 197 {
 198         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 199         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 200         struct ieee80211_hdr *hdr;
 201         u8 *tmp_buf;
 202         u8 *praddr;
 203         __le16 fc;
 204         u16 type, cfc;
 205         bool packet_matchbssid, packet_toself, packet_beacon = false;
 206
 207         tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
 208
 209         hdr = (struct ieee80211_hdr *)tmp_buf;
 210         fc = hdr->frame_control;
 211         cfc = le16_to_cpu(fc);
 212         type = WLAN_FC_GET_TYPE(fc);
 213         praddr = hdr->addr1;
 214
 215         packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 216              ether_addr_equal(mac->bssid,
 217                               (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
 218                               (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
 219                               hdr->addr3) &&
 220              (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
 221
 222         packet_toself = packet_matchbssid &&
 223             ether_addr_equal(praddr, rtlefuse->dev_addr);
 224
 225         if (ieee80211_is_beacon(fc))
 226                 packet_beacon = true;
 227
 228         _rtl92se_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
 229                         packet_matchbssid, packet_toself, packet_beacon);
 230         rtl_process_phyinfo(hw, tmp_buf, pstats);
 231 }
 232
 233 bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
 234                            struct ieee80211_rx_status *rx_status, u8 *pdesc8,
 235                            struct sk_buff *skb)
 236 {
 237         struct rx_fwinfo *p_drvinfo;
 238         __le32 *pdesc = (__le32 *)pdesc8;
 239         u32 phystatus = (u32)get_rx_status_desc_phy_status(pdesc);
 240         struct ieee80211_hdr *hdr;
 241
 242         stats->length = (u16)get_rx_status_desc_pkt_len(pdesc);
 243         stats->rx_drvinfo_size = (u8)get_rx_status_desc_drvinfo_size(pdesc) * 8;
 244         stats->rx_bufshift = (u8)(get_rx_status_desc_shift(pdesc) & 0x03);
 245         stats->icv = (u16)get_rx_status_desc_icv(pdesc);
 246         stats->crc = (u16)get_rx_status_desc_crc32(pdesc);
 247         stats->hwerror = (u16)(stats->crc | stats->icv);
 248         stats->decrypted = !get_rx_status_desc_swdec(pdesc);
 249
 250         stats->rate = (u8)get_rx_status_desc_rx_mcs(pdesc);
 251         stats->shortpreamble = (u16)get_rx_status_desc_splcp(pdesc);
 252         stats->isampdu = (bool)(get_rx_status_desc_paggr(pdesc) == 1);
 253         stats->isfirst_ampdu = (bool)((get_rx_status_desc_paggr(pdesc) == 1) &&
 254                                       (get_rx_status_desc_faggr(pdesc) == 1));
 255         stats->timestamp_low = get_rx_status_desc_tsfl(pdesc);
 256         stats->rx_is40mhzpacket = (bool)get_rx_status_desc_bw(pdesc);
 257         stats->is_ht = (bool)get_rx_status_desc_rx_ht(pdesc);
 258         stats->is_cck = SE_RX_HAL_IS_CCK_RATE(pdesc);
 259
 260         if (stats->hwerror)
 261                 return false;
 262
 263         rx_status->freq = hw->conf.chandef.chan->center_freq;
 264         rx_status->band = hw->conf.chandef.chan->band;
 265
 266         if (stats->crc)
 267                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 268
 269         if (stats->rx_is40mhzpacket)
 270                 rx_status->bw = RATE_INFO_BW_40;
 271
 272         if (stats->is_ht)
 273                 rx_status->encoding = RX_ENC_HT;
 274
 275         rx_status->flag |= RX_FLAG_MACTIME_START;
 276
 277         /* hw will set stats->decrypted true, if it finds the
 278          * frame is open data frame or mgmt frame,
 279          * hw will not decrypt robust managment frame
 280          * for IEEE80211w but still set stats->decrypted
 281          * true, so here we should set it back to undecrypted
 282          * for IEEE80211w frame, and mac80211 sw will help
 283          * to decrypt it */
 284         if (stats->decrypted) {
 285                 hdr = (struct ieee80211_hdr *)(skb->data +
 286                        stats->rx_drvinfo_size + stats->rx_bufshift);
 287
 288                 if ((_ieee80211_is_robust_mgmt_frame(hdr)) &&
 289                         (ieee80211_has_protected(hdr->frame_control)))
 290                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 291                 else
 292                         rx_status->flag |= RX_FLAG_DECRYPTED;
 293         }
 294
 295         rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht,
 296                                                    false, stats->rate);
 297
 298         rx_status->mactime = stats->timestamp_low;
 299         if (phystatus) {
 300                 p_drvinfo = (struct rx_fwinfo *)(skb->data +
 301                                                  stats->rx_bufshift);
 302                 _rtl92se_translate_rx_signal_stuff(hw, skb, stats, pdesc,
 303                                                    p_drvinfo);
 304         }
 305
 306         /*rx_status->qual = stats->signal; */
 307         rx_status->signal = stats->recvsignalpower + 10;
 308
 309         return true;
 310 }
 311
 312 void rtl92se_tx_fill_desc(struct ieee80211_hw *hw,
 313                 struct ieee80211_hdr *hdr, u8 *pdesc8,
 314                 u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
 315                 struct ieee80211_sta *sta,
 316                 struct sk_buff *skb,
 317                 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 318 {
 319         struct rtl_priv *rtlpriv = rtl_priv(hw);
 320         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 321         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 322         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 323         __le32 *pdesc = (__le32 *)pdesc8;
 324         u16 seq_number;
 325         __le16 fc = hdr->frame_control;
 326         u8 reserved_macid = 0;
 327         u8 fw_qsel = _rtl92se_map_hwqueue_to_fwqueue(skb, hw_queue);
 328         bool firstseg = (!(hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)));
 329         bool lastseg = (!(hdr->frame_control &
 330                         cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)));
 331         dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
 332                                             skb->len, DMA_TO_DEVICE);
 333         u8 bw_40 = 0;
 334
 335         if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
 336                 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
 337                         "DMA mapping error\n");
 338                 return;
 339         }
 340         if (mac->opmode == NL80211_IFTYPE_STATION) {
 341                 bw_40 = mac->bw_40;
 342         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 343                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 344                 if (sta)
 345                         bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
 346         }
 347
 348         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 349
 350         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 351
 352         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE_RTL8192S);
 353
 354         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 355                 firstseg = true;
 356                 lastseg = true;
 357         }
 358
 359         if (firstseg) {
 360                 if (rtlpriv->dm.useramask) {
 361                         /* set txdesc macId */
 362                         if (ptcb_desc->mac_id < 32) {
 363                                 set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
 364                                 reserved_macid |= ptcb_desc->mac_id;
 365                         }
 366                 }
 367                 set_tx_desc_rsvd_macid(pdesc, reserved_macid);
 368
 369                 set_tx_desc_txht(pdesc, ((ptcb_desc->hw_rate >=
 370                                  DESC_RATEMCS0) ? 1 : 0));
 371
 372                 if (rtlhal->version == VERSION_8192S_ACUT) {
 373                         if (ptcb_desc->hw_rate == DESC_RATE1M ||
 374                             ptcb_desc->hw_rate  == DESC_RATE2M ||
 375                             ptcb_desc->hw_rate == DESC_RATE5_5M ||
 376                             ptcb_desc->hw_rate == DESC_RATE11M) {
 377                                 ptcb_desc->hw_rate = DESC_RATE12M;
 378                         }
 379                 }
 380
 381                 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);
 382
 383                 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
 384                         set_tx_desc_tx_short(pdesc, 0);
 385
 386                 /* Aggregation related */
 387                 if (info->flags & IEEE80211_TX_CTL_AMPDU)
 388                         set_tx_desc_agg_enable(pdesc, 1);
 389
 390                 /* For AMPDU, we must insert SSN into TX_DESC */
 391                 set_tx_desc_seq(pdesc, seq_number);
 392
 393                 /* Protection mode related */
 394                 /* For 92S, if RTS/CTS are set, HW will execute RTS. */
 395                 /* We choose only one protection mode to execute */
 396                 set_tx_desc_rts_enable(pdesc, ((ptcb_desc->rts_enable &&
 397                                                 !ptcb_desc->cts_enable) ?
 398                                                1 : 0));
 399                 set_tx_desc_cts_enable(pdesc, ((ptcb_desc->cts_enable) ?
 400                                        1 : 0));
 401                 set_tx_desc_rts_stbc(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
 402
 403                 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);
 404                 set_tx_desc_rts_bandwidth(pdesc, 0);
 405                 set_tx_desc_rts_sub_carrier(pdesc, ptcb_desc->rts_sc);
 406                 set_tx_desc_rts_short(pdesc, ((ptcb_desc->rts_rate <=
 407                        DESC_RATE54M) ?
 408                        (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
 409                        : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 410
 411
 412                 /* Set Bandwidth and sub-channel settings. */
 413                 if (bw_40) {
 414                         if (ptcb_desc->packet_bw) {
 415                                 set_tx_desc_tx_bandwidth(pdesc, 1);
 416                                 /* use duplicated mode */
 417                                 set_tx_desc_tx_sub_carrier(pdesc, 0);
 418                         } else {
 419                                 set_tx_desc_tx_bandwidth(pdesc, 0);
 420                                 set_tx_desc_tx_sub_carrier(pdesc,
 421                                                    mac->cur_40_prime_sc);
 422                         }
 423                 } else {
 424                         set_tx_desc_tx_bandwidth(pdesc, 0);
 425                         set_tx_desc_tx_sub_carrier(pdesc, 0);
 426                 }
 427
 428                 /* 3 Fill necessary field in First Descriptor */
 429                 /*DWORD 0*/
 430                 set_tx_desc_linip(pdesc, 0);
 431                 set_tx_desc_offset(pdesc, 32);
 432                 set_tx_desc_pkt_size(pdesc, (u16)skb->len);
 433
 434                 /*DWORD 1*/
 435                 set_tx_desc_ra_brsr_id(pdesc, ptcb_desc->ratr_index);
 436
 437                 /* Fill security related */
 438                 if (info->control.hw_key) {
 439                         struct ieee80211_key_conf *keyconf;
 440
 441                         keyconf = info->control.hw_key;
 442                         switch (keyconf->cipher) {
 443                         case WLAN_CIPHER_SUITE_WEP40:
 444                         case WLAN_CIPHER_SUITE_WEP104:
 445                                 set_tx_desc_sec_type(pdesc, 0x1);
 446                                 break;
 447                         case WLAN_CIPHER_SUITE_TKIP:
 448                                 set_tx_desc_sec_type(pdesc, 0x2);
 449                                 break;
 450                         case WLAN_CIPHER_SUITE_CCMP:
 451                                 set_tx_desc_sec_type(pdesc, 0x3);
 452                                 break;
 453                         default:
 454                                 set_tx_desc_sec_type(pdesc, 0x0);
 455                                 break;
 456
 457                         }
 458                 }
 459
 460                 /* Set Packet ID */
 461                 set_tx_desc_packet_id(pdesc, 0);
 462
 463                 /* We will assign magement queue to BK. */
 464                 set_tx_desc_queue_sel(pdesc, fw_qsel);
 465
 466                 /* Alwasy enable all rate fallback range */
 467                 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);
 468
 469                 /* Fix: I don't kown why hw use 6.5M to tx when set it */
 470                 set_tx_desc_user_rate(pdesc,
 471                                       ptcb_desc->use_driver_rate ? 1 : 0);
 472
 473                 /* Set NON_QOS bit. */
 474                 if (!ieee80211_is_data_qos(fc))
 475                         set_tx_desc_non_qos(pdesc, 1);
 476
 477         }
 478
 479         /* Fill fields that are required to be initialized
 480          * in all of the descriptors */
 481         /*DWORD 0 */
 482         set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));
 483         set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));
 484
 485         /* DWORD 7 */
 486         set_tx_desc_tx_buffer_size(pdesc, (u16)skb->len);
 487
 488         /* DOWRD 8 */
 489         set_tx_desc_tx_buffer_address(pdesc, mapping);
 490
 491         rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 492 }
 493
 494 void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8,
 495                              bool firstseg, bool lastseg, struct sk_buff *skb)
 496 {
 497         struct rtl_priv *rtlpriv = rtl_priv(hw);
 498         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 499         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 500         struct rtl_tcb_desc *tcb_desc = (struct rtl_tcb_desc *)(skb->cb);
 501         __le32 *pdesc = (__le32 *)pdesc8;
 502
 503         dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
 504                                             skb->len, DMA_TO_DEVICE);
 505
 506         if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
 507                 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
 508                         "DMA mapping error\n");
 509                 return;
 510         }
 511         /* Clear all status     */
 512         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S);
 513
 514         /* This bit indicate this packet is used for FW download. */
 515         if (tcb_desc->cmd_or_init == DESC_PACKET_TYPE_INIT) {
 516                 /* For firmware downlaod we only need to set LINIP */
 517                 set_tx_desc_linip(pdesc, tcb_desc->last_inipkt);
 518
 519                 /* 92SE must set as 1 for firmware download HW DMA error */
 520                 set_tx_desc_first_seg(pdesc, 1);
 521                 set_tx_desc_last_seg(pdesc, 1);
 522
 523                 /* 92SE need not to set TX packet size when firmware download */
 524                 set_tx_desc_pkt_size(pdesc, (u16)(skb->len));
 525                 set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len));
 526                 set_tx_desc_tx_buffer_address(pdesc, mapping);
 527
 528                 wmb();
 529                 set_tx_desc_own(pdesc, 1);
 530         } else { /* H2C Command Desc format (Host TXCMD) */
 531                 /* 92SE must set as 1 for firmware download HW DMA error */
 532                 set_tx_desc_first_seg(pdesc, 1);
 533                 set_tx_desc_last_seg(pdesc, 1);
 534
 535                 set_tx_desc_offset(pdesc, 0x20);
 536
 537                 /* Buffer size + command header */
 538                 set_tx_desc_pkt_size(pdesc, (u16)(skb->len));
 539                 /* Fixed queue of H2C command */
 540                 set_tx_desc_queue_sel(pdesc, 0x13);
 541
 542                 le32p_replace_bits((__le32 *)skb->data, rtlhal->h2c_txcmd_seq,
 543                                    GENMASK(30, 24));
 544                 set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len));
 545                 set_tx_desc_tx_buffer_address(pdesc, mapping);
 546
 547                 wmb();
 548                 set_tx_desc_own(pdesc, 1);
 549
 550         }
 551 }
 552
 553 void rtl92se_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, bool istx,
 554                       u8 desc_name, u8 *val)
 555 {
 556         __le32 *pdesc = (__le32 *)pdesc8;
 557
 558         if (istx) {
 559                 switch (desc_name) {
 560                 case HW_DESC_OWN:
 561                         wmb();
 562                         set_tx_desc_own(pdesc, 1);
 563                         break;
 564                 case HW_DESC_TX_NEXTDESC_ADDR:
 565                         set_tx_desc_next_desc_address(pdesc, *(u32 *)val);
 566                         break;
 567                 default:
 568                         WARN_ONCE(true, "rtl8192se: ERR txdesc :%d not processed\n",
 569                                   desc_name);
 570                         break;
 571                 }
 572         } else {
 573                 switch (desc_name) {
 574                 case HW_DESC_RXOWN:
 575                         wmb();
 576                         set_rx_status_desc_own(pdesc, 1);
 577                         break;
 578                 case HW_DESC_RXBUFF_ADDR:
 579                         set_rx_status__desc_buff_addr(pdesc, *(u32 *)val);
 580                         break;
 581                 case HW_DESC_RXPKT_LEN:
 582                         set_rx_status_desc_pkt_len(pdesc, *(u32 *)val);
 583                         break;
 584                 case HW_DESC_RXERO:
 585                         set_rx_status_desc_eor(pdesc, 1);
 586                         break;
 587                 default:
 588                         WARN_ONCE(true, "rtl8192se: ERR rxdesc :%d not processed\n",
 589                                   desc_name);
 590                         break;
 591                 }
 592         }
 593 }
 594
 595 u64 rtl92se_get_desc(struct ieee80211_hw *hw,
 596                      u8 *desc8, bool istx, u8 desc_name)
 597 {
 598         u32 ret = 0;
 599         __le32 *desc = (__le32 *)desc8;
 600
 601         if (istx) {
 602                 switch (desc_name) {
 603                 case HW_DESC_OWN:
 604                         ret = get_tx_desc_own(desc);
 605                         break;
 606                 case HW_DESC_TXBUFF_ADDR:
 607                         ret = get_tx_desc_tx_buffer_address(desc);
 608                         break;
 609                 default:
 610                         WARN_ONCE(true, "rtl8192se: ERR txdesc :%d not processed\n",
 611                                   desc_name);
 612                         break;
 613                 }
 614         } else {
 615                 switch (desc_name) {
 616                 case HW_DESC_OWN:
 617                         ret = get_rx_status_desc_own(desc);
 618                         break;
 619                 case HW_DESC_RXPKT_LEN:
 620                         ret = get_rx_status_desc_pkt_len(desc);
 621                         break;
 622                 case HW_DESC_RXBUFF_ADDR:
 623                         ret = get_rx_status_desc_buff_addr(desc);
 624                         break;
 625                 default:
 626                         WARN_ONCE(true, "rtl8192se: ERR rxdesc :%d not processed\n",
 627                                   desc_name);
 628                         break;
 629                 }
 630         }
 631         return ret;
 632 }
 633
 634 void rtl92se_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 635 {
 636         struct rtl_priv *rtlpriv = rtl_priv(hw);
 637         rtl_write_word(rtlpriv, TP_POLL, BIT(0) << (hw_queue));
 638 }