drivers/staging/rtl8821ae/rtl8821ae/trx.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2010  Realtek Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * The full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  * wlanfae <wlanfae@realtek.com>
  23  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  24  * Hsinchu 300, Taiwan.
  25  *
  26  * Larry Finger <Larry.Finger@lwfinger.net>
  27  *
  28  *****************************************************************************/
  29
  30 #include "../wifi.h"
  31 #include "../pci.h"
  32 #include "../base.h"
  33 #include "../stats.h"
  34 #include "reg.h"
  35 #include "def.h"
  36 #include "phy.h"
  37 #include "trx.h"
  38 #include "led.h"
  39 #include "dm.h"
  40 #include "phy.h"
  41 u8 _rtl8821ae_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
  42 {
  43         u16 fc = rtl_get_fc(skb);
  44
  45         if (unlikely(ieee80211_is_beacon(fc)))
  46                 return QSLT_BEACON;
  47         if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
  48                 return QSLT_MGNT;
  49
  50         return skb->priority;
  51 }
  52
  53 /* mac80211's rate_idx is like this:
  54  *
  55  * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ
  56  *
  57  * B/G rate:
  58  * (rx_status->flag & RX_FLAG_HT) = 0,
  59  * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11,
  60  *
  61  * N rate:
  62  * (rx_status->flag & RX_FLAG_HT) = 1,
  63  * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
  64  *
  65  * 5G band:rx_status->band == IEEE80211_BAND_5GHZ
  66  * A rate:
  67  * (rx_status->flag & RX_FLAG_HT) = 0,
  68  * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7,
  69  *
  70  * N rate:
  71  * (rx_status->flag & RX_FLAG_HT) = 1,
  72  * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
  73  */
  74 static int _rtl8821ae_rate_mapping(struct ieee80211_hw *hw,
  75         bool isht, u8 desc_rate)
  76 {
  77         int rate_idx;
  78
  79         if (false == isht) {
  80 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
  81                 if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
  82 #else
  83                 if (IEEE80211_BAND_2GHZ == hw->conf.channel->band) {
  84 #endif
  85                         switch (desc_rate) {
  86                         case DESC_RATE1M:
  87                                 rate_idx = 0;
  88                                 break;
  89                         case DESC_RATE2M:
  90                                 rate_idx = 1;
  91                                 break;
  92                         case DESC_RATE5_5M:
  93                                 rate_idx = 2;
  94                                 break;
  95                         case DESC_RATE11M:
  96                                 rate_idx = 3;
  97                                 break;
  98                         case DESC_RATE6M:
  99                                 rate_idx = 4;
 100                                 break;
 101                         case DESC_RATE9M:
 102                                 rate_idx = 5;
 103                                 break;
 104                         case DESC_RATE12M:
 105                                 rate_idx = 6;
 106                                 break;
 107                         case DESC_RATE18M:
 108                                 rate_idx = 7;
 109                                 break;
 110                         case DESC_RATE24M:
 111                                 rate_idx = 8;
 112                                 break;
 113                         case DESC_RATE36M:
 114                                 rate_idx = 9;
 115                                 break;
 116                         case DESC_RATE48M:
 117                                 rate_idx = 10;
 118                                 break;
 119                         case DESC_RATE54M:
 120                                 rate_idx = 11;
 121                                 break;
 122                         default:
 123                                 rate_idx = 0;
 124                                 break;
 125                         }
 126                 } else {
 127                         switch (desc_rate) {
 128                         case DESC_RATE6M:
 129                                 rate_idx = 0;
 130                                 break;
 131                         case DESC_RATE9M:
 132                                 rate_idx = 1;
 133                                 break;
 134                         case DESC_RATE12M:
 135                                 rate_idx = 2;
 136                                 break;
 137                         case DESC_RATE18M:
 138                                 rate_idx = 3;
 139                                 break;
 140                         case DESC_RATE24M:
 141                                 rate_idx = 4;
 142                                 break;
 143                         case DESC_RATE36M:
 144                                 rate_idx = 5;
 145                                 break;
 146                         case DESC_RATE48M:
 147                                 rate_idx = 6;
 148                                 break;
 149                         case DESC_RATE54M:
 150                                 rate_idx = 7;
 151                                 break;
 152                         default:
 153                                 rate_idx = 0;
 154                                 break;
 155                         }
 156                 }
 157         } else {
 158                 switch(desc_rate) {
 159                 case DESC_RATEMCS0:
 160                         rate_idx = 0;
 161                         break;
 162                 case DESC_RATEMCS1:
 163                         rate_idx = 1;
 164                         break;
 165                 case DESC_RATEMCS2:
 166                         rate_idx = 2;
 167                         break;
 168                 case DESC_RATEMCS3:
 169                         rate_idx = 3;
 170                         break;
 171                 case DESC_RATEMCS4:
 172                         rate_idx = 4;
 173                         break;
 174                 case DESC_RATEMCS5:
 175                         rate_idx = 5;
 176                         break;
 177                 case DESC_RATEMCS6:
 178                         rate_idx = 6;
 179                         break;
 180                 case DESC_RATEMCS7:
 181                         rate_idx = 7;
 182                         break;
 183                 case DESC_RATEMCS8:
 184                         rate_idx = 8;
 185                         break;
 186                 case DESC_RATEMCS9:
 187                         rate_idx = 9;
 188                         break;
 189                 case DESC_RATEMCS10:
 190                         rate_idx = 10;
 191                         break;
 192                 case DESC_RATEMCS11:
 193                         rate_idx = 11;
 194                         break;
 195                 case DESC_RATEMCS12:
 196                         rate_idx = 12;
 197                         break;
 198                 case DESC_RATEMCS13:
 199                         rate_idx = 13;
 200                         break;
 201                 case DESC_RATEMCS14:
 202                         rate_idx = 14;
 203                         break;
 204                 case DESC_RATEMCS15:
 205                         rate_idx = 15;
 206                         break;
 207                 default:
 208                         rate_idx = 0;
 209                         break;
 210                 }
 211         }
 212         return rate_idx;
 213 }
 214
 215 static void _rtl8821ae_query_rxphystatus(struct ieee80211_hw *hw,
 216                         struct rtl_stats *pstatus, u8 *pdesc,
 217                         struct rx_fwinfo_8821ae *p_drvinfo, bool bpacket_match_bssid,
 218                         bool bpacket_toself, bool b_packet_beacon)
 219 {
 220         struct rtl_priv *rtlpriv = rtl_priv(hw);
 221         struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
 222         struct phy_sts_cck_8821ae_t *cck_buf;
 223         struct phy_status_rpt *p_phystRpt = (struct phy_status_rpt *)p_drvinfo;
 224         struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
 225         char rx_pwr_all = 0, rx_pwr[4];
 226         u8 rf_rx_num = 0, evm, pwdb_all;
 227         u8 i, max_spatial_stream;
 228         u32 rssi, total_rssi = 0;
 229         bool b_is_cck = pstatus->b_is_cck;
 230         u8 lan_idx,vga_idx;
 231
 232         /* Record it for next packet processing */
 233         pstatus->b_packet_matchbssid = bpacket_match_bssid;
 234         pstatus->b_packet_toself = bpacket_toself;
 235         pstatus->b_packet_beacon = b_packet_beacon;
 236         pstatus->rx_mimo_signalquality[0] = -1;
 237         pstatus->rx_mimo_signalquality[1] = -1;
 238
 239         if (b_is_cck) {
 240                 u8 cck_highpwr;
 241                 u8 cck_agc_rpt;
 242                 /* CCK Driver info Structure is not the same as OFDM packet. */
 243                 cck_buf = (struct phy_sts_cck_8821ae_t *)p_drvinfo;
 244                 cck_agc_rpt = cck_buf->cck_agc_rpt;
 245
 246                 /* (1)Hardware does not provide RSSI for CCK */
 247                 /* (2)PWDB, Average PWDB cacluated by
 248                  * hardware (for rate adaptive) */
 249                 if (ppsc->rfpwr_state == ERFON)
 250                         cck_highpwr = (u8) rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
 251                                                          BIT(9));
 252                 else
 253                         cck_highpwr = false;
 254
 255                 lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
 256                 vga_idx = (cck_agc_rpt & 0x1f);
 257                 switch (lan_idx) {
 258                         case 7:
 259                                 if(vga_idx <= 27)
 260                                         rx_pwr_all = -100 + 2*(27-vga_idx); /*VGA_idx = 27~2*/
 261                                 else
 262                                         rx_pwr_all = -100;
 263                                 break;
 264                         case 6:
 265                                 rx_pwr_all = -48 + 2*(2-vga_idx); /*VGA_idx = 2~0*/
 266                                 break;
 267                         case 5:
 268                                 rx_pwr_all = -42 + 2*(7-vga_idx); /*VGA_idx = 7~5*/
 269                                 break;
 270                         case 4:
 271                                 rx_pwr_all = -36 + 2*(7-vga_idx); /*VGA_idx = 7~4*/
 272                                 break;
 273                         case 3:
 274                                 rx_pwr_all = -24 + 2*(7-vga_idx); /*VGA_idx = 7~0*/
 275                                 break;
 276                         case 2:
 277                                 if(cck_highpwr)
 278                                         rx_pwr_all = -12 + 2*(5-vga_idx); /*VGA_idx = 5~0*/
 279                                 else
 280                                         rx_pwr_all = -6+ 2*(5-vga_idx);
 281                                 break;
 282                         case 1:
 283                                 rx_pwr_all = 8-2*vga_idx;
 284                                 break;
 285                         case 0:
 286                                 rx_pwr_all = 14-2*vga_idx;
 287                                 break;
 288                         default:
 289                                 break;
 290                 }
 291                 rx_pwr_all += 6;
 292                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 293                 /* CCK gain is smaller than OFDM/MCS gain,  */
 294                 /* so we add gain diff by experiences,
 295                  * the val is 6 */
 296                 pwdb_all += 6;
 297                 if(pwdb_all > 100)
 298                         pwdb_all = 100;
 299                 /* modify the offset to make the same
 300                  * gain index with OFDM. */
 301                 if(pwdb_all > 34 && pwdb_all <= 42)
 302                         pwdb_all -= 2;
 303                 else if(pwdb_all > 26 && pwdb_all <= 34)
 304                         pwdb_all -= 6;
 305                 else if(pwdb_all > 14 && pwdb_all <= 26)
 306                         pwdb_all -= 8;
 307                 else if(pwdb_all > 4 && pwdb_all <= 14)
 308                         pwdb_all -= 4;
 309                 if (cck_highpwr == false){
 310                         if (pwdb_all >= 80)
 311                                 pwdb_all =((pwdb_all-80)<<1)+((pwdb_all-80)>>1)+80;
 312                         else if((pwdb_all <= 78) && (pwdb_all >= 20))
 313                                 pwdb_all += 3;
 314                         if(pwdb_all>100)
 315                                 pwdb_all = 100;
 316                 }
 317
 318                 pstatus->rx_pwdb_all = pwdb_all;
 319                 pstatus->recvsignalpower = rx_pwr_all;
 320
 321                 /* (3) Get Signal Quality (EVM) */
 322                 if (bpacket_match_bssid) {
 323                         u8 sq;
 324
 325                         if (pstatus->rx_pwdb_all > 40)
 326                                 sq = 100;
 327                         else {
 328                                 sq = cck_buf->sq_rpt;
 329                                 if (sq > 64)
 330                                         sq = 0;
 331                                 else if (sq < 20)
 332                                         sq = 100;
 333                                 else
 334                                         sq = ((64 - sq) * 100) / 44;
 335                         }
 336
 337                         pstatus->signalquality = sq;
 338                         pstatus->rx_mimo_signalquality[0] = sq;
 339                         pstatus->rx_mimo_signalquality[1] = -1;
 340                 }
 341         } else {
 342                 rtlpriv->dm.brfpath_rxenable[0] =
 343                     rtlpriv->dm.brfpath_rxenable[1] = true;
 344
 345                 /* (1)Get RSSI for HT rate */
 346                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 347
 348                         /* we will judge RF RX path now. */
 349                         if (rtlpriv->dm.brfpath_rxenable[i])
 350                                 rf_rx_num++;
 351
 352                         rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110;
 353
 354                         /* Translate DBM to percentage. */
 355                         rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 356                         total_rssi += rssi;
 357
 358                         /* Get Rx snr value in DB */
 359                         rtlpriv->stats.rx_snr_db[i] = (long)(p_drvinfo->rxsnr[i] / 2);
 360
 361                         /* Record Signal Strength for next packet */
 362                         if (bpacket_match_bssid)
 363                                 pstatus->rx_mimo_signalstrength[i] = (u8) rssi;
 364                 }
 365
 366                 /* (2)PWDB, Average PWDB cacluated by
 367                  * hardware (for rate adaptive) */
 368                 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 369
 370                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 371                 pstatus->rx_pwdb_all = pwdb_all;
 372                 pstatus->rxpower = rx_pwr_all;
 373                 pstatus->recvsignalpower = rx_pwr_all;
 374
 375                 /* (3)EVM of HT rate */
 376                 if (pstatus->b_is_ht && pstatus->rate >= DESC_RATEMCS8 &&
 377                     pstatus->rate <= DESC_RATEMCS15)
 378                         max_spatial_stream = 2;
 379                 else
 380                         max_spatial_stream = 1;
 381
 382                 for (i = 0; i < max_spatial_stream; i++) {
 383                         evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 384
 385                         if (bpacket_match_bssid) {
 386                                 /* Fill value in RFD, Get the first
 387                                  * spatial stream only */
 388                                 if (i == 0)
 389                                         pstatus->signalquality = (u8) (evm & 0xff);
 390                                 pstatus->rx_mimo_signalquality[i] = (u8) (evm & 0xff);
 391                         }
 392                 }
 393         }
 394
 395         /* UI BSS List signal strength(in percentage),
 396          * make it good looking, from 0~100. */
 397         if (b_is_cck)
 398                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 399                         pwdb_all));
 400         else if (rf_rx_num != 0)
 401                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 402                         total_rssi /= rf_rx_num));
 403         /*HW antenna diversity*/
 404         rtldm->fat_table.antsel_rx_keep_0 = p_phystRpt->ant_sel;
 405         rtldm->fat_table.antsel_rx_keep_1 = p_phystRpt->ant_sel_b;
 406         rtldm->fat_table.antsel_rx_keep_2 = p_phystRpt->antsel_rx_keep_2;
 407
 408 }
 409 #if 0
 410 static void _rtl8821ae_smart_antenna(struct ieee80211_hw *hw,
 411         struct rtl_stats *pstatus)
 412 {
 413         struct rtl_dm *rtldm= rtl_dm(rtl_priv(hw));
 414         struct rtl_efuse *rtlefuse =rtl_efuse(rtl_priv(hw));
 415         u8 antsel_tr_mux;
 416         struct fast_ant_trainning *pfat_table = &(rtldm->fat_table);
 417
 418         if (rtlefuse->antenna_div_type == CG_TRX_SMART_ANTDIV) {
 419                 if (pfat_table->fat_state == FAT_TRAINING_STATE) {
 420                         if (pstatus->b_packet_toself) {
 421                                 antsel_tr_mux = (pfat_table->antsel_rx_keep_2 << 2) |
 422                                         (pfat_table->antsel_rx_keep_1 << 1) | pfat_table->antsel_rx_keep_0;
 423                                 pfat_table->ant_sum_rssi[antsel_tr_mux] += pstatus->rx_pwdb_all;
 424                                 pfat_table->ant_rssi_cnt[antsel_tr_mux]++;
 425                         }
 426                 }
 427         } else if ((rtlefuse->antenna_div_type == CG_TRX_HW_ANTDIV) ||
 428         (rtlefuse->antenna_div_type == CGCS_RX_HW_ANTDIV)) {
 429                 if (pstatus->b_packet_toself || pstatus->b_packet_matchbssid) {
 430                         antsel_tr_mux = (pfat_table->antsel_rx_keep_2 << 2) |
 431                                         (pfat_table->antsel_rx_keep_1 << 1) | pfat_table->antsel_rx_keep_0;
 432                         rtl8821ae_dm_ant_sel_statistics(hw, antsel_tr_mux, 0, pstatus->rx_pwdb_all);
 433                 }
 434
 435         }
 436 }
 437 #endif
 438 static void _rtl8821ae_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 439                 struct sk_buff *skb, struct rtl_stats *pstatus,
 440                 u8 *pdesc, struct rx_fwinfo_8821ae *p_drvinfo)
 441 {
 442         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 443         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 444         struct ieee80211_hdr *hdr;
 445         u8 *tmp_buf;
 446         u8 *praddr;
 447         u8 *psaddr;
 448         u16 fc, type;
 449         bool b_packet_matchbssid, b_packet_toself, b_packet_beacon;
 450
 451         tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 452
 453         hdr = (struct ieee80211_hdr *)tmp_buf;
 454         fc = le16_to_cpu(hdr->frame_control);
 455         type = WLAN_FC_GET_TYPE(fc);
 456         praddr = hdr->addr1;
 457         psaddr = ieee80211_get_SA(hdr);
 458         memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
 459
 460         b_packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 461              (!ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
 462                                   hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
 463                                   hdr->addr2 : hdr->addr3)) && (!pstatus->b_hwerror) &&
 464                                   (!pstatus->b_crc) && (!pstatus->b_icv));
 465
 466         b_packet_toself = b_packet_matchbssid &&
 467             (!ether_addr_equal(praddr, rtlefuse->dev_addr));
 468
 469         if (ieee80211_is_beacon(fc))
 470                 b_packet_beacon = true;
 471         else
 472                 b_packet_beacon = false;
 473
 474         if (b_packet_beacon && b_packet_matchbssid)
 475                 rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
 476
 477         _rtl8821ae_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 478                                    b_packet_matchbssid, b_packet_toself,
 479                                    b_packet_beacon);
 480         /*_rtl8821ae_smart_antenna(hw, pstatus); */
 481         rtl_process_phyinfo(hw, tmp_buf, pstatus);
 482 }
 483
 484 static void _rtl8821ae_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 485                                       u8 *virtualaddress)
 486 {
 487         u32 dwtmp = 0;
 488         memset(virtualaddress, 0, 8);
 489
 490         SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
 491         if (ptcb_desc->empkt_num == 1)
 492                 dwtmp = ptcb_desc->empkt_len[0];
 493         else {
 494                 dwtmp = ptcb_desc->empkt_len[0];
 495                 dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
 496                 dwtmp += ptcb_desc->empkt_len[1];
 497         }
 498         SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
 499
 500         if (ptcb_desc->empkt_num <= 3)
 501                 dwtmp = ptcb_desc->empkt_len[2];
 502         else {
 503                 dwtmp = ptcb_desc->empkt_len[2];
 504                 dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
 505                 dwtmp += ptcb_desc->empkt_len[3];
 506         }
 507         SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
 508         if (ptcb_desc->empkt_num <= 5)
 509                 dwtmp = ptcb_desc->empkt_len[4];
 510         else {
 511                 dwtmp = ptcb_desc->empkt_len[4];
 512                 dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
 513                 dwtmp += ptcb_desc->empkt_len[5];
 514         }
 515         SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
 516         SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
 517         if (ptcb_desc->empkt_num <= 7)
 518                 dwtmp = ptcb_desc->empkt_len[6];
 519         else {
 520                 dwtmp = ptcb_desc->empkt_len[6];
 521                 dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
 522                 dwtmp += ptcb_desc->empkt_len[7];
 523         }
 524         SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
 525         if (ptcb_desc->empkt_num <= 9)
 526                 dwtmp = ptcb_desc->empkt_len[8];
 527         else {
 528                 dwtmp = ptcb_desc->empkt_len[8];
 529                 dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
 530                 dwtmp += ptcb_desc->empkt_len[9];
 531         }
 532         SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
 533 }
 534
 535 bool rtl8821ae_rx_query_desc(struct ieee80211_hw *hw,
 536                            struct rtl_stats *status,
 537                            struct ieee80211_rx_status *rx_status,
 538                            u8 *pdesc, struct sk_buff *skb)
 539 {
 540         struct rtl_priv *rtlpriv = rtl_priv(hw);
 541         struct rx_fwinfo_8821ae *p_drvinfo;
 542         struct ieee80211_hdr *hdr;
 543
 544         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 545
 546         status->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
 547         status->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 548             RX_DRV_INFO_SIZE_UNIT;
 549         status->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
 550         status->b_icv = (u16) GET_RX_DESC_ICV(pdesc);
 551         status->b_crc = (u16) GET_RX_DESC_CRC32(pdesc);
 552         status->b_hwerror = (status->b_crc | status->b_icv);
 553         status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 554         status->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
 555         status->b_shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
 556         status->b_isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 557         status->b_isfirst_ampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 558         status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 559         status->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
 560         status->macid = GET_RX_DESC_MACID(pdesc);
 561         status->b_is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
 562
 563         status->b_is_cck = RX_HAL_IS_CCK_RATE(status->rate);
 564
 565         if (GET_RX_STATUS_DESC_RPT_SEL(pdesc))
 566                 status->packet_report_type = C2H_PACKET;
 567         else
 568                 status->packet_report_type = NORMAL_RX;
 569
 570         if (GET_RX_STATUS_DESC_PATTERN_MATCH(pdesc))
 571                 status->wake_match = BIT(2);
 572         else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
 573                 status->wake_match = BIT(1);
 574         else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
 575                 status->wake_match = BIT(0);
 576         else
 577                 status->wake_match = 0;
 578
 579         if (status->wake_match)
 580                 RT_TRACE(COMP_RXDESC,DBG_LOUD,
 581                 ("GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",status->wake_match ));
 582 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
 583         rx_status->freq = hw->conf.chandef.chan->center_freq;
 584         rx_status->band = hw->conf.chandef.chan->band;
 585 #else
 586         rx_status->freq = hw->conf.channel->center_freq;
 587         rx_status->band = hw->conf.channel->band;
 588 #endif
 589
 590         hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
 591                         + status->rx_bufshift);
 592
 593         if (status->b_crc)
 594                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 595
 596         if (status->rx_is40Mhzpacket)
 597                 rx_status->flag |= RX_FLAG_40MHZ;
 598
 599         if (status->b_is_ht)
 600                 rx_status->flag |= RX_FLAG_HT;
 601
 602         rx_status->flag |= RX_FLAG_MACTIME_MPDU;
 603
 604         /* hw will set status->decrypted true, if it finds the
 605          * frame is open data frame or mgmt frame. */
 606         /* So hw will not decryption robust managment frame
 607          * for IEEE80211w but still set status->decrypted
 608          * true, so here we should set it back to undecrypted
 609          * for IEEE80211w frame, and mac80211 sw will help
 610          * to decrypt it */
 611         if (status->decrypted) {
 612                 if (!hdr) {
 613                         WARN_ON_ONCE(true);
 614                         pr_err("decrypted is true but hdr NULL, from skb %p\n",
 615                                 rtl_get_hdr(skb));
 616                                 return false;
 617                 }
 618
 619                 if ((ieee80211_is_robust_mgmt_frame(hdr)) &&
 620                         (ieee80211_has_protected(hdr->frame_control)))
 621                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 622                 else
 623                         rx_status->flag |= RX_FLAG_DECRYPTED;
 624         }
 625
 626         /* rate_idx: index of data rate into band's
 627          * supported rates or MCS index if HT rates
 628          * are use (RX_FLAG_HT)*/
 629         /* Notice: this is diff with windows define */
 630         rx_status->rate_idx = _rtl8821ae_rate_mapping(hw,
 631                                 status->b_is_ht, status->rate);
 632
 633         rx_status->mactime = status->timestamp_low;
 634         if (phystatus == true) {
 635                 p_drvinfo = (struct rx_fwinfo_8821ae *)(skb->data +
 636                                                      status->rx_bufshift);
 637
 638                 _rtl8821ae_translate_rx_signal_stuff(hw,
 639                                                    skb, status, pdesc,
 640                                                    p_drvinfo);
 641         }
 642
 643         /*rx_status->qual = status->signal; */
 644         rx_status->signal = status->recvsignalpower + 10;
 645         /*rx_status->noise = -status->noise; */
 646         if (status->packet_report_type == TX_REPORT2){
 647                 status->macid_valid_entry[0] = GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
 648                 status->macid_valid_entry[1] = GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
 649         }
 650         return true;
 651 }
 652
 653 /*<delete in kernel start>*/
 654 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0))
 655 void rtl8821ae_tx_fill_desc(struct ieee80211_hw *hw,
 656                           struct ieee80211_hdr *hdr, u8 *pdesc_tx, u8 *txbd,
 657                           struct ieee80211_tx_info *info, struct sk_buff *skb,
 658                           u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 659 #else
 660 /*<delete in kernel end>*/
 661 void rtl8821ae_tx_fill_desc(struct ieee80211_hw *hw,
 662                           struct ieee80211_hdr *hdr, u8 *pdesc_tx, u8 *txbd,
 663                           struct ieee80211_tx_info *info,
 664                           struct ieee80211_sta *sta,
 665                           struct sk_buff *skb,
 666                           u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 667 /*<delete in kernel start>*/
 668 #endif
 669 /*<delete in kernel end>*/
 670 {
 671         struct rtl_priv *rtlpriv = rtl_priv(hw);
 672         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 673         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 674         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 675 /*<delete in kernel start>*/
 676 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0))
 677         struct ieee80211_sta *sta = info->control.sta;
 678 #endif
 679 /*<delete in kernel end>*/
 680         u8 *pdesc = (u8 *) pdesc_tx;
 681         u16 seq_number;
 682         u16 fc = le16_to_cpu(hdr->frame_control);
 683         unsigned int buf_len = 0;
 684         unsigned int skb_len = skb->len;
 685         u8 fw_qsel = _rtl8821ae_map_hwqueue_to_fwqueue(skb, hw_queue);
 686         bool b_firstseg = ((hdr->seq_ctrl &
 687                             cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 688         bool b_lastseg = ((hdr->frame_control &
 689                            cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 690         dma_addr_t mapping;
 691         u8 bw_40 = 0;
 692         u8 short_gi = 0;
 693
 694         if (mac->opmode == NL80211_IFTYPE_STATION) {
 695                 bw_40 = mac->bw_40;
 696         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 697                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 698                 if (sta)
 699                         bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 700         }
 701         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 702         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 703         /* reserve 8 byte for AMPDU early mode */
 704         if (rtlhal->b_earlymode_enable) {
 705                 skb_push(skb, EM_HDR_LEN);
 706                 memset(skb->data, 0, EM_HDR_LEN);
 707         }
 708         buf_len = skb->len;
 709         mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 710                                  PCI_DMA_TODEVICE);
 711         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 712                 RT_TRACE(COMP_SEND, DBG_TRACE,
 713                          ("DMA mapping error"));
 714                 return;
 715         }
 716         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8821ae));
 717         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 718                 b_firstseg = true;
 719                 b_lastseg = true;
 720         }
 721         if (b_firstseg) {
 722                 if (rtlhal->b_earlymode_enable) {
 723                         SET_TX_DESC_PKT_OFFSET(pdesc, 1);
 724                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN + EM_HDR_LEN);
 725                         if (ptcb_desc->empkt_num) {
 726                                 RT_TRACE(COMP_SEND, DBG_TRACE,
 727                                          ("Insert 8 byte.pTcb->EMPktNum:%d\n",
 728                                           ptcb_desc->empkt_num));
 729                                 _rtl8821ae_insert_emcontent(ptcb_desc, (u8 *)(skb->data));
 730                         }
 731                 } else {
 732                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 733                 }
 734
 735                 /* ptcb_desc->use_driver_rate = true; */
 736                 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
 737                 if (ptcb_desc->hw_rate > DESC_RATEMCS0) {
 738                         short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
 739                 } else {
 740                         short_gi = (ptcb_desc->use_shortpreamble) ? 1 :0;
 741                 }
 742                 SET_TX_DESC_DATA_SHORTGI(pdesc, short_gi);
 743
 744                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 745                         SET_TX_DESC_AGG_ENABLE(pdesc, 1);
 746                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 747                 }
 748                 SET_TX_DESC_SEQ(pdesc, seq_number);
 749                 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->b_rts_enable &&
 750                                                 !ptcb_desc->b_cts_enable) ? 1 : 0));
 751                 SET_TX_DESC_HW_RTS_ENABLE(pdesc,0);
 752                 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->b_cts_enable) ? 1 : 0));
 753         /*      SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->b_rts_stbc) ? 1 : 0));*/
 754
 755                 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 756         /*      SET_TX_DESC_RTS_BW(pdesc, 0);*/
 757                 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
 758                 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <= DESC_RATE54M) ?
 759                         (ptcb_desc->b_rts_use_shortpreamble ? 1 : 0) :
 760                         (ptcb_desc->b_rts_use_shortgi ? 1 : 0)));
 761
 762                 if(ptcb_desc->btx_enable_sw_calc_duration)
 763                         SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
 764
 765                 if (bw_40) {
 766                         if (ptcb_desc->b_packet_bw) {
 767                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 768                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 769                         } else {
 770                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 771                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, mac->cur_40_prime_sc);
 772                         }
 773                 } else {
 774                         SET_TX_DESC_DATA_BW(pdesc, 0);
 775                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 776                 }
 777
 778                 SET_TX_DESC_LINIP(pdesc, 0);
 779                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
 780                 if (sta) {
 781                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 782                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 783                 }
 784                 if (info->control.hw_key) {
 785                         struct ieee80211_key_conf *keyconf = info->control.hw_key;
 786 /*<delete in kernel start>*/
 787 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
 788 /*<delete in kernel end>*/
 789                         switch (keyconf->cipher) {
 790                         case WLAN_CIPHER_SUITE_WEP40:
 791                         case WLAN_CIPHER_SUITE_WEP104:
 792                         case WLAN_CIPHER_SUITE_TKIP:
 793                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 794                                 break;
 795                         case WLAN_CIPHER_SUITE_CCMP:
 796                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 797                                 break;
 798                         default:
 799                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 800                                 break;
 801
 802                         }
 803 /*<delete in kernel start>*/
 804 #else
 805                         switch (keyconf->alg) {
 806                         case ALG_WEP:
 807                         case ALG_TKIP:
 808                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 809                                 break;
 810                         case ALG_CCMP:
 811                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 812                                 break;
 813                         default:
 814                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 815                                 break;
 816
 817                         }
 818 #endif
 819 /*<delete in kernel end>*/
 820                 }
 821
 822                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 823                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 824                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 825                 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ? 1 : 0);
 826                 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 827
 828 #if 0
 829                 SET_TX_DESC_USE_RATE(pdesc, 1);
 830                 SET_TX_DESC_TX_RATE(pdesc, 0x04);
 831
 832                 SET_TX_DESC_RETRY_LIMIT_ENABLE(pdesc, 1);
 833                 SET_TX_DESC_DATA_RETRY_LIMIT(pdesc, 0x3f);
 834 #endif
 835
 836                 /*SET_TX_DESC_PWR_STATUS(pdesc, pwr_status);*/
 837                 /* Set TxRate and RTSRate in TxDesc  */
 838                 /* This prevent Tx initial rate of new-coming packets */
 839                 /* from being overwritten by retried  packet rate.*/
 840                 if (!ptcb_desc->use_driver_rate) {
 841                         /*SET_TX_DESC_RTS_RATE(pdesc, 0x08); */
 842                         /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
 843                 }
 844                 if (ieee80211_is_data_qos(fc)) {
 845                         if (mac->rdg_en) {
 846                                 RT_TRACE(COMP_SEND, DBG_TRACE,
 847                                         ("Enable RDG function.\n"));
 848                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 849                                 SET_TX_DESC_HTC(pdesc, 1);
 850                         }
 851                 }
 852         }
 853
 854         SET_TX_DESC_FIRST_SEG(pdesc, (b_firstseg ? 1 : 0));
 855         SET_TX_DESC_LAST_SEG(pdesc, (b_lastseg ? 1 : 0));
 856         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
 857         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping));
 858         //if (rtlpriv->dm.b_useramask) {
 859         if(1){
 860                 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
 861                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 862         } else {
 863                 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
 864                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 865         }
 866 /*      if (ieee80211_is_data_qos(fc))
 867                 SET_TX_DESC_QOS(pdesc, 1);
 868 */
 869         if (!ieee80211_is_data_qos(fc))  {
 870                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 871                 SET_TX_DESC_HWSEQ_SEL(pdesc, 0);
 872         }
 873         SET_TX_DESC_MORE_FRAG(pdesc, (b_lastseg ? 0 : 1));
 874         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 875             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 876                 SET_TX_DESC_BMC(pdesc, 1);
 877         }
 878
 879         rtl8821ae_dm_set_tx_ant_by_tx_info(hw,pdesc,ptcb_desc->mac_id);
 880         RT_TRACE(COMP_SEND, DBG_TRACE, ("\n"));
 881 }
 882
 883 void rtl8821ae_tx_fill_cmddesc(struct ieee80211_hw *hw,
 884                              u8 *pdesc, bool b_firstseg,
 885                              bool b_lastseg, struct sk_buff *skb)
 886 {
 887         struct rtl_priv *rtlpriv = rtl_priv(hw);
 888         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 889         u8 fw_queue = QSLT_BEACON;
 890
 891         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 892                                             skb->data, skb->len,
 893                                             PCI_DMA_TODEVICE);
 894
 895         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 896                 RT_TRACE(COMP_SEND, DBG_TRACE,
 897                          ("DMA mapping error"));
 898                 return;
 899         }
 900         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 901
 902         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 903         SET_TX_DESC_LAST_SEG(pdesc, 1);
 904
 905         SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len));
 906
 907         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 908
 909         SET_TX_DESC_USE_RATE(pdesc, 1);
 910         SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M);
 911         SET_TX_DESC_DISABLE_FB(pdesc, 1);
 912
 913         SET_TX_DESC_DATA_BW(pdesc, 0);
 914
 915         SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 916
 917         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 918 /*
 919         if(IsCtrlNDPA(VirtualAddress) || IsMgntNDPA(VirtualAddress))
 920         {
 921                 SET_TX_DESC_DATA_RETRY_LIMIT_8812(pDesc, 5);
 922                 SET_TX_DESC_RETRY_LIMIT_ENABLE_8812(pDesc, 1);
 923
 924                 if(IsMgntNDPA(VirtualAddress))
 925                 {
 926                         SET_TX_DESC_NDPA_8812(pDesc, 1);
 927                         SET_TX_DESC_RTS_SC_8812(pDesc, SCMapping_8812(Adapter, pTcb));
 928                 }
 929                 else
 930                 {
 931                         SET_TX_DESC_NDPA_8812(pDesc, 2);
 932                         SET_TX_DESC_RTS_SC_8812(pDesc, SCMapping_8812(Adapter, pTcb));
 933                 }
 934         }*/
 935
 936         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
 937
 938         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping));
 939
 940         SET_TX_DESC_MACID(pdesc, 0);
 941
 942         SET_TX_DESC_OWN(pdesc, 1);
 943
 944         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 945                       "H2C Tx Cmd Content\n",
 946                       pdesc, TX_DESC_SIZE);
 947 }
 948
 949 void rtl8821ae_set_desc(struct ieee80211_hw * hw, u8 *pdesc, bool istx, u8 desc_name, u8 *val)
 950 {
 951         if (istx == true) {
 952                 switch (desc_name) {
 953                 case HW_DESC_OWN:
 954                         SET_TX_DESC_OWN(pdesc, 1);
 955                         break;
 956                 case HW_DESC_TX_NEXTDESC_ADDR:
 957                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
 958                         break;
 959                 default:
 960                         RT_ASSERT(false, ("ERR txdesc :%d"
 961                                           " not process\n", desc_name));
 962                         break;
 963                 }
 964         } else {
 965                 switch (desc_name) {
 966                 case HW_DESC_RXOWN:
 967                         SET_RX_DESC_OWN(pdesc, 1);
 968                         break;
 969                 case HW_DESC_RXBUFF_ADDR:
 970                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
 971                         break;
 972                 case HW_DESC_RXPKT_LEN:
 973                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
 974                         break;
 975                 case HW_DESC_RXERO:
 976                         SET_RX_DESC_EOR(pdesc, 1);
 977                         break;
 978                 default:
 979                         RT_ASSERT(false, ("ERR rxdesc :%d "
 980                                           "not process\n", desc_name));
 981                         break;
 982                 }
 983         }
 984 }
 985
 986 u32 rtl8821ae_get_desc(u8 *pdesc, bool istx, u8 desc_name)
 987 {
 988         u32 ret = 0;
 989
 990         if (istx == true) {
 991                 switch (desc_name) {
 992                 case HW_DESC_OWN:
 993                         ret = GET_TX_DESC_OWN(pdesc);
 994                         break;
 995                 case HW_DESC_TXBUFF_ADDR:
 996                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
 997                         break;
 998                 default:
 999                         RT_ASSERT(false, ("ERR txdesc :%d "
1000                                           "not process\n", desc_name));
1001                         break;
1002                 }
1003         } else {
1004                 switch (desc_name) {
1005                 case HW_DESC_OWN:
1006                         ret = GET_RX_DESC_OWN(pdesc);
1007                         break;
1008                 case HW_DESC_RXPKT_LEN:
1009                         ret = GET_RX_DESC_PKT_LEN(pdesc);
1010                         break;
1011                 default:
1012                         RT_ASSERT(false, ("ERR rxdesc :%d "
1013                                           "not process\n", desc_name));
1014                         break;
1015                 }
1016         }
1017         return ret;
1018 }
1019
1020 bool rtl8821ae_is_tx_desc_closed(struct ieee80211_hw *hw,
1021                                  u8 hw_queue, u16 index)
1022 {
1023         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
1024         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
1025         u8 *entry = (u8 *)(&ring->desc[ring->idx]);
1026         u8 own = (u8) rtl8821ae_get_desc(entry, true, HW_DESC_OWN);
1027
1028         /*
1029          *beacon packet will only use the first
1030          *descriptor defautly,and the own may not
1031          *be cleared by the hardware
1032          */
1033         if (own)
1034                 return false;
1035         else
1036                 return true;
1037 }
1038
1039
1040 void rtl8821ae_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
1041 {
1042         struct rtl_priv *rtlpriv = rtl_priv(hw);
1043
1044         if (hw_queue == BEACON_QUEUE) {
1045                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
1046         } else {
1047                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
1048                                BIT(0) << (hw_queue));
1049         }
1050 }