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, u8 *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                 u8 *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
 201         struct ieee80211_hdr *hdr;
 202         u8 *tmp_buf;
 203         u8 *praddr;
 204         __le16 fc;
 205         u16 type, cfc;
 206         bool packet_matchbssid, packet_toself, packet_beacon = false;
 207
 208         tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
 209
 210         hdr = (struct ieee80211_hdr *)tmp_buf;
 211         fc = hdr->frame_control;
 212         cfc = le16_to_cpu(fc);
 213         type = WLAN_FC_GET_TYPE(fc);
 214         praddr = hdr->addr1;
 215
 216         packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 217              ether_addr_equal(mac->bssid,
 218                               (cfc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
 219                               (cfc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
 220                               hdr->addr3) &&
 221              (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
 222
 223         packet_toself = packet_matchbssid &&
 224             ether_addr_equal(praddr, rtlefuse->dev_addr);
 225
 226         if (ieee80211_is_beacon(fc))
 227                 packet_beacon = true;
 228
 229         _rtl92se_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
 230                         packet_matchbssid, packet_toself, packet_beacon);
 231         rtl_process_phyinfo(hw, tmp_buf, pstats);
 232 }
 233
 234 bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
 235                            struct ieee80211_rx_status *rx_status, u8 *pdesc,
 236                            struct sk_buff *skb)
 237 {
 238         struct rx_fwinfo *p_drvinfo;
 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 *pdesc_tx,
 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         u8 *pdesc = pdesc_tx;
 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 = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 332                     PCI_DMA_TODEVICE);
 333         u8 bw_40 = 0;
 334
 335         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 336                 RT_TRACE(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) ? 1 : 0));
 398                 SET_TX_DESC_CTS_ENABLE(pdesc, ((ptcb_desc->cts_enable) ?
 399                                        1 : 0));
 400                 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
 401
 402                 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 403                 SET_TX_DESC_RTS_BANDWIDTH(pdesc, 0);
 404                 SET_TX_DESC_RTS_SUB_CARRIER(pdesc, ptcb_desc->rts_sc);
 405                 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
 406                        DESC_RATE54M) ?
 407                        (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
 408                        : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 409
 410
 411                 /* Set Bandwidth and sub-channel settings. */
 412                 if (bw_40) {
 413                         if (ptcb_desc->packet_bw) {
 414                                 SET_TX_DESC_TX_BANDWIDTH(pdesc, 1);
 415                                 /* use duplicated mode */
 416                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 417                         } else {
 418                                 SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
 419                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
 420                                                    mac->cur_40_prime_sc);
 421                         }
 422                 } else {
 423                         SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
 424                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 425                 }
 426
 427                 /* 3 Fill necessary field in First Descriptor */
 428                 /*DWORD 0*/
 429                 SET_TX_DESC_LINIP(pdesc, 0);
 430                 SET_TX_DESC_OFFSET(pdesc, 32);
 431                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
 432
 433                 /*DWORD 1*/
 434                 SET_TX_DESC_RA_BRSR_ID(pdesc, ptcb_desc->ratr_index);
 435
 436                 /* Fill security related */
 437                 if (info->control.hw_key) {
 438                         struct ieee80211_key_conf *keyconf;
 439
 440                         keyconf = info->control.hw_key;
 441                         switch (keyconf->cipher) {
 442                         case WLAN_CIPHER_SUITE_WEP40:
 443                         case WLAN_CIPHER_SUITE_WEP104:
 444                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 445                                 break;
 446                         case WLAN_CIPHER_SUITE_TKIP:
 447                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x2);
 448                                 break;
 449                         case WLAN_CIPHER_SUITE_CCMP:
 450                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 451                                 break;
 452                         default:
 453                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 454                                 break;
 455
 456                         }
 457                 }
 458
 459                 /* Set Packet ID */
 460                 SET_TX_DESC_PACKET_ID(pdesc, 0);
 461
 462                 /* We will assign magement queue to BK. */
 463                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 464
 465                 /* Alwasy enable all rate fallback range */
 466                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 467
 468                 /* Fix: I don't kown why hw use 6.5M to tx when set it */
 469                 SET_TX_DESC_USER_RATE(pdesc,
 470                                       ptcb_desc->use_driver_rate ? 1 : 0);
 471
 472                 /* Set NON_QOS bit. */
 473                 if (!ieee80211_is_data_qos(fc))
 474                         SET_TX_DESC_NON_QOS(pdesc, 1);
 475
 476         }
 477
 478         /* Fill fields that are required to be initialized
 479          * in all of the descriptors */
 480         /*DWORD 0 */
 481         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 482         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 483
 484         /* DWORD 7 */
 485         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
 486
 487         /* DOWRD 8 */
 488         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 489
 490         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 491 }
 492
 493 void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
 494         bool firstseg, bool lastseg, struct sk_buff *skb)
 495 {
 496         struct rtl_priv *rtlpriv = rtl_priv(hw);
 497         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 498         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 499         struct rtl_tcb_desc *tcb_desc = (struct rtl_tcb_desc *)(skb->cb);
 500
 501         dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 502                         PCI_DMA_TODEVICE);
 503
 504         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 505                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 506                          "DMA mapping error\n");
 507                 return;
 508         }
 509         /* Clear all status     */
 510         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S);
 511
 512         /* This bit indicate this packet is used for FW download. */
 513         if (tcb_desc->cmd_or_init == DESC_PACKET_TYPE_INIT) {
 514                 /* For firmware downlaod we only need to set LINIP */
 515                 SET_TX_DESC_LINIP(pdesc, tcb_desc->last_inipkt);
 516
 517                 /* 92SE must set as 1 for firmware download HW DMA error */
 518                 SET_TX_DESC_FIRST_SEG(pdesc, 1);
 519                 SET_TX_DESC_LAST_SEG(pdesc, 1);
 520
 521                 /* 92SE need not to set TX packet size when firmware download */
 522                 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
 523                 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
 524                 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 525
 526                 wmb();
 527                 SET_TX_DESC_OWN(pdesc, 1);
 528         } else { /* H2C Command Desc format (Host TXCMD) */
 529                 /* 92SE must set as 1 for firmware download HW DMA error */
 530                 SET_TX_DESC_FIRST_SEG(pdesc, 1);
 531                 SET_TX_DESC_LAST_SEG(pdesc, 1);
 532
 533                 SET_TX_DESC_OFFSET(pdesc, 0x20);
 534
 535                 /* Buffer size + command header */
 536                 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
 537                 /* Fixed queue of H2C command */
 538                 SET_TX_DESC_QUEUE_SEL(pdesc, 0x13);
 539
 540                 SET_BITS_TO_LE_4BYTE(skb->data, 24, 7, rtlhal->h2c_txcmd_seq);
 541
 542                 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
 543                 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 544
 545                 wmb();
 546                 SET_TX_DESC_OWN(pdesc, 1);
 547
 548         }
 549 }
 550
 551 void rtl92se_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
 552                       u8 desc_name, u8 *val)
 553 {
 554         if (istx) {
 555                 switch (desc_name) {
 556                 case HW_DESC_OWN:
 557                         wmb();
 558                         SET_TX_DESC_OWN(pdesc, 1);
 559                         break;
 560                 case HW_DESC_TX_NEXTDESC_ADDR:
 561                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
 562                         break;
 563                 default:
 564                         WARN_ONCE(true, "rtl8192se: ERR txdesc :%d not processed\n",
 565                                   desc_name);
 566                         break;
 567                 }
 568         } else {
 569                 switch (desc_name) {
 570                 case HW_DESC_RXOWN:
 571                         wmb();
 572                         SET_RX_STATUS_DESC_OWN(pdesc, 1);
 573                         break;
 574                 case HW_DESC_RXBUFF_ADDR:
 575                         SET_RX_STATUS__DESC_BUFF_ADDR(pdesc, *(u32 *) val);
 576                         break;
 577                 case HW_DESC_RXPKT_LEN:
 578                         SET_RX_STATUS_DESC_PKT_LEN(pdesc, *(u32 *) val);
 579                         break;
 580                 case HW_DESC_RXERO:
 581                         SET_RX_STATUS_DESC_EOR(pdesc, 1);
 582                         break;
 583                 default:
 584                         WARN_ONCE(true, "rtl8192se: ERR rxdesc :%d not processed\n",
 585                                   desc_name);
 586                         break;
 587                 }
 588         }
 589 }
 590
 591 u64 rtl92se_get_desc(struct ieee80211_hw *hw,
 592                      u8 *desc, bool istx, u8 desc_name)
 593 {
 594         u32 ret = 0;
 595
 596         if (istx) {
 597                 switch (desc_name) {
 598                 case HW_DESC_OWN:
 599                         ret = GET_TX_DESC_OWN(desc);
 600                         break;
 601                 case HW_DESC_TXBUFF_ADDR:
 602                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(desc);
 603                         break;
 604                 default:
 605                         WARN_ONCE(true, "rtl8192se: ERR txdesc :%d not processed\n",
 606                                   desc_name);
 607                         break;
 608                 }
 609         } else {
 610                 switch (desc_name) {
 611                 case HW_DESC_OWN:
 612                         ret = GET_RX_STATUS_DESC_OWN(desc);
 613                         break;
 614                 case HW_DESC_RXPKT_LEN:
 615                         ret = GET_RX_STATUS_DESC_PKT_LEN(desc);
 616                         break;
 617                 case HW_DESC_RXBUFF_ADDR:
 618                         ret = GET_RX_STATUS_DESC_BUFF_ADDR(desc);
 619                         break;
 620                 default:
 621                         WARN_ONCE(true, "rtl8192se: ERR rxdesc :%d not processed\n",
 622                                   desc_name);
 623                         break;
 624                 }
 625         }
 626         return ret;
 627 }
 628
 629 void rtl92se_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 630 {
 631         struct rtl_priv *rtlpriv = rtl_priv(hw);
 632         rtl_write_word(rtlpriv, TP_POLL, BIT(0) << (hw_queue));
 633 }