drivers/net/wireless/realtek/rtlwifi/rtl8188ee/trx.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright(c) 2009-2013  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 "trx.h"
  11 #include "led.h"
  12 #include "dm.h"
  13 #include "phy.h"
  14
  15 static u8 _rtl88ee_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_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
  24         return skb->priority;
  25 }
  26
  27 static void _rtl88ee_query_rxphystatus(struct ieee80211_hw *hw,
  28                         struct rtl_stats *pstatus, u8 *pdesc,
  29                         struct rx_fwinfo_88e *p_drvinfo,
  30                         bool bpacket_match_bssid,
  31                         bool bpacket_toself, bool packet_beacon)
  32 {
  33         struct rtl_priv *rtlpriv = rtl_priv(hw);
  34         struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
  35         struct phy_sts_cck_8192s_t *cck_buf;
  36         struct phy_status_rpt *phystrpt =
  37                 (struct phy_status_rpt *)p_drvinfo;
  38         struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
  39         s8 rx_pwr_all = 0, rx_pwr[4];
  40         u8 rf_rx_num = 0, evm, pwdb_all;
  41         u8 i, max_spatial_stream;
  42         u32 rssi, total_rssi = 0;
  43         bool is_cck = pstatus->is_cck;
  44         u8 lan_idx, vga_idx;
  45
  46         /* Record it for next packet processing */
  47         pstatus->packet_matchbssid = bpacket_match_bssid;
  48         pstatus->packet_toself = bpacket_toself;
  49         pstatus->packet_beacon = packet_beacon;
  50         pstatus->rx_mimo_signalquality[0] = -1;
  51         pstatus->rx_mimo_signalquality[1] = -1;
  52
  53         if (is_cck) {
  54                 u8 cck_highpwr;
  55                 u8 cck_agc_rpt;
  56                 /* CCK Driver info Structure is not the same as OFDM packet. */
  57                 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
  58                 cck_agc_rpt = cck_buf->cck_agc_rpt;
  59
  60                 /* (1)Hardware does not provide RSSI for CCK
  61                  * (2)PWDB, Average PWDB cacluated by
  62                  * hardware (for rate adaptive)
  63                  */
  64                 if (ppsc->rfpwr_state == ERFON)
  65                         cck_highpwr =
  66                                 (u8)rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
  67                                                   BIT(9));
  68                 else
  69                         cck_highpwr = false;
  70
  71                 lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
  72                 vga_idx = (cck_agc_rpt & 0x1f);
  73                 switch (lan_idx) {
  74                 case 7:
  75                         if (vga_idx <= 27)
  76                                 /*VGA_idx = 27~2*/
  77                                 rx_pwr_all = -100 + 2*(27-vga_idx);
  78                         else
  79                                 rx_pwr_all = -100;
  80                         break;
  81                 case 6:
  82                         /*VGA_idx = 2~0*/
  83                         rx_pwr_all = -48 + 2*(2-vga_idx);
  84                         break;
  85                 case 5:
  86                         /*VGA_idx = 7~5*/
  87                         rx_pwr_all = -42 + 2*(7-vga_idx);
  88                         break;
  89                 case 4:
  90                         /*VGA_idx = 7~4*/
  91                         rx_pwr_all = -36 + 2*(7-vga_idx);
  92                         break;
  93                 case 3:
  94                         /*VGA_idx = 7~0*/
  95                         rx_pwr_all = -24 + 2*(7-vga_idx);
  96                         break;
  97                 case 2:
  98                         if (cck_highpwr)
  99                                 /*VGA_idx = 5~0*/
 100                                 rx_pwr_all = -12 + 2*(5-vga_idx);
 101                         else
 102                                 rx_pwr_all = -6 + 2*(5-vga_idx);
 103                         break;
 104                 case 1:
 105                         rx_pwr_all = 8-2*vga_idx;
 106                         break;
 107                 case 0:
 108                         rx_pwr_all = 14-2*vga_idx;
 109                         break;
 110                 default:
 111                         break;
 112                 }
 113                 rx_pwr_all += 6;
 114                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 115                 /* CCK gain is smaller than OFDM/MCS gain,  */
 116                 /* so we add gain diff by experiences, the val is 6 */
 117                 pwdb_all += 6;
 118                 if (pwdb_all > 100)
 119                         pwdb_all = 100;
 120                 /* modify the offset to make the same
 121                  * gain index with OFDM.
 122                  */
 123                 if (pwdb_all > 34 && pwdb_all <= 42)
 124                         pwdb_all -= 2;
 125                 else if (pwdb_all > 26 && pwdb_all <= 34)
 126                         pwdb_all -= 6;
 127                 else if (pwdb_all > 14 && pwdb_all <= 26)
 128                         pwdb_all -= 8;
 129                 else if (pwdb_all > 4 && pwdb_all <= 14)
 130                         pwdb_all -= 4;
 131                 if (!cck_highpwr) {
 132                         if (pwdb_all >= 80)
 133                                 pwdb_all = ((pwdb_all-80)<<1) +
 134                                            ((pwdb_all-80)>>1) + 80;
 135                         else if ((pwdb_all <= 78) && (pwdb_all >= 20))
 136                                 pwdb_all += 3;
 137                         if (pwdb_all > 100)
 138                                 pwdb_all = 100;
 139                 }
 140
 141                 pstatus->rx_pwdb_all = pwdb_all;
 142                 pstatus->recvsignalpower = rx_pwr_all;
 143
 144                 /* (3) Get Signal Quality (EVM) */
 145                 if (bpacket_match_bssid) {
 146                         u8 sq;
 147
 148                         if (pstatus->rx_pwdb_all > 40)
 149                                 sq = 100;
 150                         else {
 151                                 sq = cck_buf->sq_rpt;
 152                                 if (sq > 64)
 153                                         sq = 0;
 154                                 else if (sq < 20)
 155                                         sq = 100;
 156                                 else
 157                                         sq = ((64 - sq) * 100) / 44;
 158                         }
 159
 160                         pstatus->signalquality = sq;
 161                         pstatus->rx_mimo_signalquality[0] = sq;
 162                         pstatus->rx_mimo_signalquality[1] = -1;
 163                 }
 164         } else {
 165                 rtlpriv->dm.rfpath_rxenable[0] =
 166                     rtlpriv->dm.rfpath_rxenable[1] = true;
 167
 168                 /* (1)Get RSSI for HT rate */
 169                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 170                         /* we will judge RF RX path now. */
 171                         if (rtlpriv->dm.rfpath_rxenable[i])
 172                                 rf_rx_num++;
 173
 174                         rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
 175                                       0x3f) * 2) - 110;
 176
 177                         /* Translate DBM to percentage. */
 178                         rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 179                         total_rssi += rssi;
 180
 181                         /* Get Rx snr value in DB */
 182                         rtlpriv->stats.rx_snr_db[i] =
 183                                 (long)(p_drvinfo->rxsnr[i] / 2);
 184
 185                         /* Record Signal Strength for next packet */
 186                         if (bpacket_match_bssid)
 187                                 pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
 188                 }
 189
 190                 /* (2)PWDB, Average PWDB cacluated by
 191                  * hardware (for rate adaptive)
 192                  */
 193                 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 194
 195                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 196                 pstatus->rx_pwdb_all = pwdb_all;
 197                 pstatus->rxpower = rx_pwr_all;
 198                 pstatus->recvsignalpower = rx_pwr_all;
 199
 200                 /* (3)EVM of HT rate */
 201                 if (pstatus->is_ht && pstatus->rate >= DESC92C_RATEMCS8 &&
 202                     pstatus->rate <= DESC92C_RATEMCS15)
 203                         max_spatial_stream = 2;
 204                 else
 205                         max_spatial_stream = 1;
 206
 207                 for (i = 0; i < max_spatial_stream; i++) {
 208                         evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 209
 210                         if (bpacket_match_bssid) {
 211                                 /* Fill value in RFD, Get the first
 212                                  * spatial stream onlyi
 213                                  */
 214                                 if (i == 0)
 215                                         pstatus->signalquality =
 216                                                 (u8)(evm & 0xff);
 217                                 pstatus->rx_mimo_signalquality[i] =
 218                                         (u8)(evm & 0xff);
 219                         }
 220                 }
 221         }
 222
 223         /* UI BSS List signal strength(in percentage),
 224          * make it good looking, from 0~100.
 225          */
 226         if (is_cck)
 227                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 228                         pwdb_all));
 229         else if (rf_rx_num != 0)
 230                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 231                         total_rssi /= rf_rx_num));
 232         /*HW antenna diversity*/
 233         rtldm->fat_table.antsel_rx_keep_0 = phystrpt->ant_sel;
 234         rtldm->fat_table.antsel_rx_keep_1 = phystrpt->ant_sel_b;
 235         rtldm->fat_table.antsel_rx_keep_2 = phystrpt->antsel_rx_keep_2;
 236 }
 237
 238 static void _rtl88ee_smart_antenna(struct ieee80211_hw *hw,
 239         struct rtl_stats *pstatus)
 240 {
 241         struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
 242         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 243         u8 antsel_tr_mux;
 244         struct fast_ant_training *pfat_table = &rtldm->fat_table;
 245
 246         if (rtlefuse->antenna_div_type == CG_TRX_SMART_ANTDIV) {
 247                 if (pfat_table->fat_state == FAT_TRAINING_STATE) {
 248                         if (pstatus->packet_toself) {
 249                                 antsel_tr_mux =
 250                                         (pfat_table->antsel_rx_keep_2 << 2) |
 251                                         (pfat_table->antsel_rx_keep_1 << 1) |
 252                                         pfat_table->antsel_rx_keep_0;
 253                                 pfat_table->ant_sum[antsel_tr_mux] +=
 254                                         pstatus->rx_pwdb_all;
 255                                 pfat_table->ant_cnt[antsel_tr_mux]++;
 256                         }
 257                 }
 258         } else if ((rtlefuse->antenna_div_type == CG_TRX_HW_ANTDIV) ||
 259         (rtlefuse->antenna_div_type == CGCS_RX_HW_ANTDIV)) {
 260                 if (pstatus->packet_toself || pstatus->packet_matchbssid) {
 261                         antsel_tr_mux = (pfat_table->antsel_rx_keep_2 << 2) |
 262                                         (pfat_table->antsel_rx_keep_1 << 1) |
 263                                         pfat_table->antsel_rx_keep_0;
 264                         rtl88e_dm_ant_sel_statistics(hw, antsel_tr_mux, 0,
 265                                                      pstatus->rx_pwdb_all);
 266                 }
 267
 268         }
 269 }
 270
 271 static void _rtl88ee_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 272                                                struct sk_buff *skb,
 273                                                struct rtl_stats *pstatus,
 274                                                u8 *pdesc,
 275                                                struct rx_fwinfo_88e *p_drvinfo)
 276 {
 277         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 278         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 279         struct ieee80211_hdr *hdr;
 280         u8 *tmp_buf;
 281         u8 *praddr;
 282         u8 *psaddr;
 283         __le16 fc;
 284         bool packet_matchbssid, packet_toself, packet_beacon;
 285
 286         tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 287
 288         hdr = (struct ieee80211_hdr *)tmp_buf;
 289         fc = hdr->frame_control;
 290         praddr = hdr->addr1;
 291         psaddr = ieee80211_get_SA(hdr);
 292         memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
 293
 294         packet_matchbssid = ((!ieee80211_is_ctl(fc)) &&
 295              (ether_addr_equal(mac->bssid, ieee80211_has_tods(fc) ?
 296                                hdr->addr1 : ieee80211_has_fromds(fc) ?
 297                                hdr->addr2 : hdr->addr3)) &&
 298                                (!pstatus->hwerror) &&
 299                                (!pstatus->crc) && (!pstatus->icv));
 300
 301         packet_toself = packet_matchbssid &&
 302             (ether_addr_equal(praddr, rtlefuse->dev_addr));
 303
 304         if (ieee80211_is_beacon(hdr->frame_control))
 305                 packet_beacon = true;
 306         else
 307                 packet_beacon = false;
 308
 309         _rtl88ee_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 310                                    packet_matchbssid, packet_toself,
 311                                    packet_beacon);
 312         _rtl88ee_smart_antenna(hw, pstatus);
 313         rtl_process_phyinfo(hw, tmp_buf, pstatus);
 314 }
 315
 316 static void _rtl88ee_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 317                                       u8 *virtualaddress)
 318 {
 319         u32 dwtmp = 0;
 320         memset(virtualaddress, 0, 8);
 321
 322         SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
 323         if (ptcb_desc->empkt_num == 1) {
 324                 dwtmp = ptcb_desc->empkt_len[0];
 325         } else {
 326                 dwtmp = ptcb_desc->empkt_len[0];
 327                 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
 328                 dwtmp += ptcb_desc->empkt_len[1];
 329         }
 330         SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
 331
 332         if (ptcb_desc->empkt_num <= 3) {
 333                 dwtmp = ptcb_desc->empkt_len[2];
 334         } else {
 335                 dwtmp = ptcb_desc->empkt_len[2];
 336                 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
 337                 dwtmp += ptcb_desc->empkt_len[3];
 338         }
 339         SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
 340         if (ptcb_desc->empkt_num <= 5) {
 341                 dwtmp = ptcb_desc->empkt_len[4];
 342         } else {
 343                 dwtmp = ptcb_desc->empkt_len[4];
 344                 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
 345                 dwtmp += ptcb_desc->empkt_len[5];
 346         }
 347         SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
 348         SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
 349         if (ptcb_desc->empkt_num <= 7) {
 350                 dwtmp = ptcb_desc->empkt_len[6];
 351         } else {
 352                 dwtmp = ptcb_desc->empkt_len[6];
 353                 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
 354                 dwtmp += ptcb_desc->empkt_len[7];
 355         }
 356         SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
 357         if (ptcb_desc->empkt_num <= 9) {
 358                 dwtmp = ptcb_desc->empkt_len[8];
 359         } else {
 360                 dwtmp = ptcb_desc->empkt_len[8];
 361                 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
 362                 dwtmp += ptcb_desc->empkt_len[9];
 363         }
 364         SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
 365 }
 366
 367 bool rtl88ee_rx_query_desc(struct ieee80211_hw *hw,
 368                            struct rtl_stats *status,
 369                            struct ieee80211_rx_status *rx_status,
 370                            u8 *pdesc, struct sk_buff *skb)
 371 {
 372         struct rtl_priv *rtlpriv = rtl_priv(hw);
 373         struct rx_fwinfo_88e *p_drvinfo;
 374         struct ieee80211_hdr *hdr;
 375         u8 wake_match;
 376         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 377
 378         status->packet_report_type = (u8)GET_RX_STATUS_DESC_RPT_SEL(pdesc);
 379         if (status->packet_report_type == TX_REPORT2)
 380                 status->length = (u16)GET_RX_RPT2_DESC_PKT_LEN(pdesc);
 381         else
 382                 status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
 383         status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 384             RX_DRV_INFO_SIZE_UNIT;
 385         status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
 386         status->icv = (u16)GET_RX_DESC_ICV(pdesc);
 387         status->crc = (u16)GET_RX_DESC_CRC32(pdesc);
 388         status->hwerror = (status->crc | status->icv);
 389         status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 390         status->rate = (u8)GET_RX_DESC_RXMCS(pdesc);
 391         status->shortpreamble = (u16)GET_RX_DESC_SPLCP(pdesc);
 392         status->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 393         status->isfirst_ampdu = (bool)((GET_RX_DESC_PAGGR(pdesc) == 1) &&
 394                                 (GET_RX_DESC_FAGGR(pdesc) == 1));
 395         if (status->packet_report_type == NORMAL_RX)
 396                 status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 397         status->rx_is40mhzpacket = (bool)GET_RX_DESC_BW(pdesc);
 398         status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
 399
 400         status->is_cck = RTL8188_RX_HAL_IS_CCK_RATE(status->rate);
 401
 402         status->macid = GET_RX_DESC_MACID(pdesc);
 403         if (GET_RX_STATUS_DESC_PATTERN_MATCH(pdesc))
 404                 wake_match = BIT(2);
 405         else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
 406                 wake_match = BIT(1);
 407         else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
 408                 wake_match = BIT(0);
 409         else
 410                 wake_match = 0;
 411         if (wake_match)
 412                 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
 413                 "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
 414                 wake_match);
 415         rx_status->freq = hw->conf.chandef.chan->center_freq;
 416         rx_status->band = hw->conf.chandef.chan->band;
 417
 418         hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
 419                         + status->rx_bufshift);
 420
 421         if (status->crc)
 422                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 423
 424         if (status->rx_is40mhzpacket)
 425                 rx_status->bw = RATE_INFO_BW_40;
 426
 427         if (status->is_ht)
 428                 rx_status->encoding = RX_ENC_HT;
 429
 430         rx_status->flag |= RX_FLAG_MACTIME_START;
 431
 432         /* hw will set status->decrypted true, if it finds the
 433          * frame is open data frame or mgmt frame.
 434          * So hw will not decryption robust managment frame
 435          * for IEEE80211w but still set status->decrypted
 436          * true, so here we should set it back to undecrypted
 437          * for IEEE80211w frame, and mac80211 sw will help
 438          * to decrypt it
 439          */
 440         if (status->decrypted) {
 441                 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
 442                     (ieee80211_has_protected(hdr->frame_control)))
 443                         rx_status->flag |= RX_FLAG_DECRYPTED;
 444                 else
 445                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 446         }
 447
 448         /* rate_idx: index of data rate into band's
 449          * supported rates or MCS index if HT rates
 450          * are use (RX_FLAG_HT)
 451          * Notice: this is diff with windows define
 452          */
 453         rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
 454                                                    false, status->rate);
 455
 456         rx_status->mactime = status->timestamp_low;
 457         if (phystatus == true) {
 458                 p_drvinfo = (struct rx_fwinfo_88e *)(skb->data +
 459                                                      status->rx_bufshift);
 460
 461                 _rtl88ee_translate_rx_signal_stuff(hw,
 462                                                    skb, status, pdesc,
 463                                                    p_drvinfo);
 464         }
 465         rx_status->signal = status->recvsignalpower + 10;
 466         if (status->packet_report_type == TX_REPORT2) {
 467                 status->macid_valid_entry[0] =
 468                          GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
 469                 status->macid_valid_entry[1] =
 470                          GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
 471         }
 472         return true;
 473 }
 474
 475 void rtl88ee_tx_fill_desc(struct ieee80211_hw *hw,
 476                           struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 477                           u8 *txbd, struct ieee80211_tx_info *info,
 478                           struct ieee80211_sta *sta,
 479                           struct sk_buff *skb,
 480                           u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 481
 482 {
 483         struct rtl_priv *rtlpriv = rtl_priv(hw);
 484         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 485         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 486         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 487         u8 *pdesc = (u8 *)pdesc_tx;
 488         u16 seq_number;
 489         __le16 fc = hdr->frame_control;
 490         unsigned int buf_len = 0;
 491         unsigned int skb_len = skb->len;
 492         u8 fw_qsel = _rtl88ee_map_hwqueue_to_fwqueue(skb, hw_queue);
 493         bool firstseg = ((hdr->seq_ctrl &
 494                             cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 495         bool lastseg = ((hdr->frame_control &
 496                            cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 497         dma_addr_t mapping;
 498         u8 bw_40 = 0;
 499         u8 short_gi = 0;
 500
 501         if (mac->opmode == NL80211_IFTYPE_STATION) {
 502                 bw_40 = mac->bw_40;
 503         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 504                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 505                 if (sta)
 506                         bw_40 = sta->ht_cap.cap &
 507                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 508         }
 509         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 510         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 511         /* reserve 8 byte for AMPDU early mode */
 512         if (rtlhal->earlymode_enable) {
 513                 skb_push(skb, EM_HDR_LEN);
 514                 memset(skb->data, 0, EM_HDR_LEN);
 515         }
 516         buf_len = skb->len;
 517         mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 518                                  PCI_DMA_TODEVICE);
 519         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 520                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 521                          "DMA mapping error\n");
 522                 return;
 523         }
 524         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_88e));
 525         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 526                 firstseg = true;
 527                 lastseg = true;
 528         }
 529         if (firstseg) {
 530                 if (rtlhal->earlymode_enable) {
 531                         SET_TX_DESC_PKT_OFFSET(pdesc, 1);
 532                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
 533                                            EM_HDR_LEN);
 534                         if (ptcb_desc->empkt_num) {
 535                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 536                                          "Insert 8 byte.pTcb->EMPktNum:%d\n",
 537                                           ptcb_desc->empkt_num);
 538                                 _rtl88ee_insert_emcontent(ptcb_desc,
 539                                                           (u8 *)(skb->data));
 540                         }
 541                 } else {
 542                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 543                 }
 544
 545                 ptcb_desc->use_driver_rate = true;
 546                 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
 547                 if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
 548                         short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
 549                 else
 550                         short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
 551
 552                 SET_TX_DESC_DATA_SHORTGI(pdesc, short_gi);
 553
 554                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 555                         SET_TX_DESC_AGG_ENABLE(pdesc, 1);
 556                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 557                 }
 558                 SET_TX_DESC_SEQ(pdesc, seq_number);
 559                 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
 560                                                 !ptcb_desc->cts_enable) ? 1 : 0));
 561                 SET_TX_DESC_HW_RTS_ENABLE(pdesc, 0);
 562                 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
 563                 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
 564
 565                 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 566                 SET_TX_DESC_RTS_BW(pdesc, 0);
 567                 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
 568                 SET_TX_DESC_RTS_SHORT(pdesc,
 569                         ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
 570                         (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
 571                         (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 572
 573                 if (ptcb_desc->tx_enable_sw_calc_duration)
 574                         SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
 575
 576                 if (bw_40) {
 577                         if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 578                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 579                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 580                         } else {
 581                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 582                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
 583                                                            mac->cur_40_prime_sc);
 584                         }
 585                 } else {
 586                         SET_TX_DESC_DATA_BW(pdesc, 0);
 587                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 588                 }
 589
 590                 SET_TX_DESC_LINIP(pdesc, 0);
 591                 SET_TX_DESC_PKT_SIZE(pdesc, (u16)skb_len);
 592                 if (sta) {
 593                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 594                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 595                 }
 596                 if (info->control.hw_key) {
 597                         struct ieee80211_key_conf *keyconf;
 598
 599                         keyconf = info->control.hw_key;
 600                         switch (keyconf->cipher) {
 601                         case WLAN_CIPHER_SUITE_WEP40:
 602                         case WLAN_CIPHER_SUITE_WEP104:
 603                         case WLAN_CIPHER_SUITE_TKIP:
 604                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 605                                 break;
 606                         case WLAN_CIPHER_SUITE_CCMP:
 607                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 608                                 break;
 609                         default:
 610                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 611                                 break;
 612
 613                         }
 614                 }
 615
 616                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 617                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 618                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 619                 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
 620                                        1 : 0);
 621                 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 622
 623                 /*SET_TX_DESC_PWR_STATUS(pdesc, pwr_status);*/
 624                 /* Set TxRate and RTSRate in TxDesc  */
 625                 /* This prevent Tx initial rate of new-coming packets */
 626                 /* from being overwritten by retried  packet rate.*/
 627                 if (!ptcb_desc->use_driver_rate) {
 628                         /*SET_TX_DESC_RTS_RATE(pdesc, 0x08); */
 629                         /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
 630                 }
 631                 if (ieee80211_is_data_qos(fc)) {
 632                         if (mac->rdg_en) {
 633                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 634                                         "Enable RDG function.\n");
 635                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 636                                 SET_TX_DESC_HTC(pdesc, 1);
 637                         }
 638                 }
 639         }
 640
 641         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 642         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 643         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)buf_len);
 644         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 645         if (rtlpriv->dm.useramask) {
 646                 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
 647                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 648         } else {
 649                 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
 650                 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
 651         }
 652         if (ieee80211_is_data_qos(fc))
 653                 SET_TX_DESC_QOS(pdesc, 1);
 654
 655         if (!ieee80211_is_data_qos(fc))
 656                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 657         SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 658         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 659             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 660                 SET_TX_DESC_BMC(pdesc, 1);
 661         }
 662
 663         rtl88e_dm_set_tx_ant_by_tx_info(hw, pdesc, ptcb_desc->mac_id);
 664         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 665 }
 666
 667 void rtl88ee_tx_fill_cmddesc(struct ieee80211_hw *hw,
 668                              u8 *pdesc, bool firstseg,
 669                              bool lastseg, struct sk_buff *skb)
 670 {
 671         struct rtl_priv *rtlpriv = rtl_priv(hw);
 672         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 673         u8 fw_queue = QSLT_BEACON;
 674
 675         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 676                                             skb->data, skb->len,
 677                                             PCI_DMA_TODEVICE);
 678
 679         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
 680         __le16 fc = hdr->frame_control;
 681
 682         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 683                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 684                          "DMA mapping error\n");
 685                 return;
 686         }
 687         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 688
 689         if (firstseg)
 690                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 691
 692         SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
 693
 694         SET_TX_DESC_SEQ(pdesc, 0);
 695
 696         SET_TX_DESC_LINIP(pdesc, 0);
 697
 698         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 699
 700         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 701         SET_TX_DESC_LAST_SEG(pdesc, 1);
 702
 703         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
 704
 705         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 706
 707         SET_TX_DESC_RATE_ID(pdesc, 7);
 708         SET_TX_DESC_MACID(pdesc, 0);
 709
 710         SET_TX_DESC_OWN(pdesc, 1);
 711
 712         SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
 713
 714         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 715         SET_TX_DESC_LAST_SEG(pdesc, 1);
 716
 717         SET_TX_DESC_OFFSET(pdesc, 0x20);
 718
 719         SET_TX_DESC_USE_RATE(pdesc, 1);
 720
 721         if (!ieee80211_is_data_qos(fc))
 722                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 723
 724         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 725                       "H2C Tx Cmd Content\n",
 726                       pdesc, TX_DESC_SIZE);
 727 }
 728
 729 void rtl88ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc,
 730                       bool istx, u8 desc_name, u8 *val)
 731 {
 732         if (istx == true) {
 733                 switch (desc_name) {
 734                 case HW_DESC_OWN:
 735                         SET_TX_DESC_OWN(pdesc, 1);
 736                         break;
 737                 case HW_DESC_TX_NEXTDESC_ADDR:
 738                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *)val);
 739                         break;
 740                 default:
 741                         WARN_ONCE(true, "rtl8188ee: ERR txdesc :%d not processed\n",
 742                                   desc_name);
 743                         break;
 744                 }
 745         } else {
 746                 switch (desc_name) {
 747                 case HW_DESC_RXOWN:
 748                         SET_RX_DESC_OWN(pdesc, 1);
 749                         break;
 750                 case HW_DESC_RXBUFF_ADDR:
 751                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *)val);
 752                         break;
 753                 case HW_DESC_RXPKT_LEN:
 754                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *)val);
 755                         break;
 756                 case HW_DESC_RXERO:
 757                         SET_RX_DESC_EOR(pdesc, 1);
 758                         break;
 759                 default:
 760                         WARN_ONCE(true, "rtl8188ee: ERR rxdesc :%d not processed\n",
 761                                   desc_name);
 762                         break;
 763                 }
 764         }
 765 }
 766
 767 u64 rtl88ee_get_desc(struct ieee80211_hw *hw,
 768                      u8 *pdesc, bool istx, u8 desc_name)
 769 {
 770         u32 ret = 0;
 771
 772         if (istx == true) {
 773                 switch (desc_name) {
 774                 case HW_DESC_OWN:
 775                         ret = GET_TX_DESC_OWN(pdesc);
 776                         break;
 777                 case HW_DESC_TXBUFF_ADDR:
 778                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
 779                         break;
 780                 default:
 781                         WARN_ONCE(true, "rtl8188ee: ERR txdesc :%d not processed\n",
 782                                   desc_name);
 783                         break;
 784                 }
 785         } else {
 786                 switch (desc_name) {
 787                 case HW_DESC_OWN:
 788                         ret = GET_RX_DESC_OWN(pdesc);
 789                         break;
 790                 case HW_DESC_RXPKT_LEN:
 791                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 792                         break;
 793                 case HW_DESC_RXBUFF_ADDR:
 794                         ret = GET_RX_DESC_BUFF_ADDR(pdesc);
 795                         break;
 796                 default:
 797                         WARN_ONCE(true, "rtl8188ee: ERR rxdesc :%d not processed\n",
 798                                   desc_name);
 799                         break;
 800                 }
 801         }
 802         return ret;
 803 }
 804
 805 bool rtl88ee_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, u16 index)
 806 {
 807         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 808         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 809         u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 810         u8 own = (u8)rtl88ee_get_desc(hw, entry, true, HW_DESC_OWN);
 811
 812         /*beacon packet will only use the first
 813          *descriptor defautly,and the own may not
 814          *be cleared by the hardware
 815          */
 816         if (own)
 817                 return false;
 818         return true;
 819 }
 820
 821 void rtl88ee_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 822 {
 823         struct rtl_priv *rtlpriv = rtl_priv(hw);
 824         if (hw_queue == BEACON_QUEUE) {
 825                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 826         } else {
 827                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 828                                BIT(0) << (hw_queue));
 829         }
 830 }