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
  41 static 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 (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
  81                         switch (desc_rate) {
  82                         case DESC_RATE1M:
  83                                 rate_idx = 0;
  84                                 break;
  85                         case DESC_RATE2M:
  86                                 rate_idx = 1;
  87                                 break;
  88                         case DESC_RATE5_5M:
  89                                 rate_idx = 2;
  90                                 break;
  91                         case DESC_RATE11M:
  92                                 rate_idx = 3;
  93                                 break;
  94                         case DESC_RATE6M:
  95                                 rate_idx = 4;
  96                                 break;
  97                         case DESC_RATE9M:
  98                                 rate_idx = 5;
  99                                 break;
 100                         case DESC_RATE12M:
 101                                 rate_idx = 6;
 102                                 break;
 103                         case DESC_RATE18M:
 104                                 rate_idx = 7;
 105                                 break;
 106                         case DESC_RATE24M:
 107                                 rate_idx = 8;
 108                                 break;
 109                         case DESC_RATE36M:
 110                                 rate_idx = 9;
 111                                 break;
 112                         case DESC_RATE48M:
 113                                 rate_idx = 10;
 114                                 break;
 115                         case DESC_RATE54M:
 116                                 rate_idx = 11;
 117                                 break;
 118                         default:
 119                                 rate_idx = 0;
 120                                 break;
 121                         }
 122                 } else {
 123                         switch (desc_rate) {
 124                         case DESC_RATE6M:
 125                                 rate_idx = 0;
 126                                 break;
 127                         case DESC_RATE9M:
 128                                 rate_idx = 1;
 129                                 break;
 130                         case DESC_RATE12M:
 131                                 rate_idx = 2;
 132                                 break;
 133                         case DESC_RATE18M:
 134                                 rate_idx = 3;
 135                                 break;
 136                         case DESC_RATE24M:
 137                                 rate_idx = 4;
 138                                 break;
 139                         case DESC_RATE36M:
 140                                 rate_idx = 5;
 141                                 break;
 142                         case DESC_RATE48M:
 143                                 rate_idx = 6;
 144                                 break;
 145                         case DESC_RATE54M:
 146                                 rate_idx = 7;
 147                                 break;
 148                         default:
 149                                 rate_idx = 0;
 150                                 break;
 151                         }
 152                 }
 153         } else {
 154                 switch(desc_rate) {
 155                 case DESC_RATEMCS0:
 156                         rate_idx = 0;
 157                         break;
 158                 case DESC_RATEMCS1:
 159                         rate_idx = 1;
 160                         break;
 161                 case DESC_RATEMCS2:
 162                         rate_idx = 2;
 163                         break;
 164                 case DESC_RATEMCS3:
 165                         rate_idx = 3;
 166                         break;
 167                 case DESC_RATEMCS4:
 168                         rate_idx = 4;
 169                         break;
 170                 case DESC_RATEMCS5:
 171                         rate_idx = 5;
 172                         break;
 173                 case DESC_RATEMCS6:
 174                         rate_idx = 6;
 175                         break;
 176                 case DESC_RATEMCS7:
 177                         rate_idx = 7;
 178                         break;
 179                 case DESC_RATEMCS8:
 180                         rate_idx = 8;
 181                         break;
 182                 case DESC_RATEMCS9:
 183                         rate_idx = 9;
 184                         break;
 185                 case DESC_RATEMCS10:
 186                         rate_idx = 10;
 187                         break;
 188                 case DESC_RATEMCS11:
 189                         rate_idx = 11;
 190                         break;
 191                 case DESC_RATEMCS12:
 192                         rate_idx = 12;
 193                         break;
 194                 case DESC_RATEMCS13:
 195                         rate_idx = 13;
 196                         break;
 197                 case DESC_RATEMCS14:
 198                         rate_idx = 14;
 199                         break;
 200                 case DESC_RATEMCS15:
 201                         rate_idx = 15;
 202                         break;
 203                 default:
 204                         rate_idx = 0;
 205                         break;
 206                 }
 207         }
 208         return rate_idx;
 209 }
 210
 211 static void _rtl8821ae_query_rxphystatus(struct ieee80211_hw *hw,
 212                         struct rtl_stats *pstatus, u8 *pdesc,
 213                         struct rx_fwinfo_8821ae *p_drvinfo, bool bpacket_match_bssid,
 214                         bool bpacket_toself, bool b_packet_beacon)
 215 {
 216         struct rtl_priv *rtlpriv = rtl_priv(hw);
 217         struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
 218         struct phy_sts_cck_8821ae_t *cck_buf;
 219         struct phy_status_rpt *p_phystRpt = (struct phy_status_rpt *)p_drvinfo;
 220         struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
 221         char rx_pwr_all = 0, rx_pwr[4];
 222         u8 rf_rx_num = 0, evm, pwdb_all;
 223         u8 i, max_spatial_stream;
 224         u32 rssi, total_rssi = 0;
 225         bool b_is_cck = pstatus->b_is_cck;
 226         u8 lan_idx,vga_idx;
 227
 228         /* Record it for next packet processing */
 229         pstatus->b_packet_matchbssid = bpacket_match_bssid;
 230         pstatus->b_packet_toself = bpacket_toself;
 231         pstatus->b_packet_beacon = b_packet_beacon;
 232         pstatus->rx_mimo_signalquality[0] = -1;
 233         pstatus->rx_mimo_signalquality[1] = -1;
 234
 235         if (b_is_cck) {
 236                 u8 cck_highpwr;
 237                 u8 cck_agc_rpt;
 238                 /* CCK Driver info Structure is not the same as OFDM packet. */
 239                 cck_buf = (struct phy_sts_cck_8821ae_t *)p_drvinfo;
 240                 cck_agc_rpt = cck_buf->cck_agc_rpt;
 241
 242                 /* (1)Hardware does not provide RSSI for CCK */
 243                 /* (2)PWDB, Average PWDB calculated by
 244                  * hardware (for rate adaptive) */
 245                 if (ppsc->rfpwr_state == ERFON)
 246                         cck_highpwr = (u8) rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
 247                                                          BIT(9));
 248                 else
 249                         cck_highpwr = false;
 250
 251                 lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
 252                 vga_idx = (cck_agc_rpt & 0x1f);
 253                 switch (lan_idx) {
 254                         case 7:
 255                                 if(vga_idx <= 27)
 256                                         rx_pwr_all = -100 + 2*(27-vga_idx); /*VGA_idx = 27~2*/
 257                                 else
 258                                         rx_pwr_all = -100;
 259                                 break;
 260                         case 6:
 261                                 rx_pwr_all = -48 + 2*(2-vga_idx); /*VGA_idx = 2~0*/
 262                                 break;
 263                         case 5:
 264                                 rx_pwr_all = -42 + 2*(7-vga_idx); /*VGA_idx = 7~5*/
 265                                 break;
 266                         case 4:
 267                                 rx_pwr_all = -36 + 2*(7-vga_idx); /*VGA_idx = 7~4*/
 268                                 break;
 269                         case 3:
 270                                 rx_pwr_all = -24 + 2*(7-vga_idx); /*VGA_idx = 7~0*/
 271                                 break;
 272                         case 2:
 273                                 if(cck_highpwr)
 274                                         rx_pwr_all = -12 + 2*(5-vga_idx); /*VGA_idx = 5~0*/
 275                                 else
 276                                         rx_pwr_all = -6+ 2*(5-vga_idx);
 277                                 break;
 278                         case 1:
 279                                 rx_pwr_all = 8-2*vga_idx;
 280                                 break;
 281                         case 0:
 282                                 rx_pwr_all = 14-2*vga_idx;
 283                                 break;
 284                         default:
 285                                 break;
 286                 }
 287                 rx_pwr_all += 6;
 288                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 289                 /* CCK gain is smaller than OFDM/MCS gain,  */
 290                 /* so we add gain diff by experiences,
 291                  * the val is 6 */
 292                 pwdb_all += 6;
 293                 if(pwdb_all > 100)
 294                         pwdb_all = 100;
 295                 /* modify the offset to make the same
 296                  * gain index with OFDM. */
 297                 if(pwdb_all > 34 && pwdb_all <= 42)
 298                         pwdb_all -= 2;
 299                 else if(pwdb_all > 26 && pwdb_all <= 34)
 300                         pwdb_all -= 6;
 301                 else if(pwdb_all > 14 && pwdb_all <= 26)
 302                         pwdb_all -= 8;
 303                 else if(pwdb_all > 4 && pwdb_all <= 14)
 304                         pwdb_all -= 4;
 305                 if (cck_highpwr == false){
 306                         if (pwdb_all >= 80)
 307                                 pwdb_all =((pwdb_all-80)<<1)+((pwdb_all-80)>>1)+80;
 308                         else if((pwdb_all <= 78) && (pwdb_all >= 20))
 309                                 pwdb_all += 3;
 310                         if(pwdb_all>100)
 311                                 pwdb_all = 100;
 312                 }
 313
 314                 pstatus->rx_pwdb_all = pwdb_all;
 315                 pstatus->recvsignalpower = rx_pwr_all;
 316
 317                 /* (3) Get Signal Quality (EVM) */
 318                 if (bpacket_match_bssid) {
 319                         u8 sq;
 320
 321                         if (pstatus->rx_pwdb_all > 40)
 322                                 sq = 100;
 323                         else {
 324                                 sq = cck_buf->sq_rpt;
 325                                 if (sq > 64)
 326                                         sq = 0;
 327                                 else if (sq < 20)
 328                                         sq = 100;
 329                                 else
 330                                         sq = ((64 - sq) * 100) / 44;
 331                         }
 332
 333                         pstatus->signalquality = sq;
 334                         pstatus->rx_mimo_signalquality[0] = sq;
 335                         pstatus->rx_mimo_signalquality[1] = -1;
 336                 }
 337         } else {
 338                 rtlpriv->dm.brfpath_rxenable[0] =
 339                     rtlpriv->dm.brfpath_rxenable[1] = true;
 340
 341                 /* (1)Get RSSI for HT rate */
 342                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 343
 344                         /* we will judge RF RX path now. */
 345                         if (rtlpriv->dm.brfpath_rxenable[i])
 346                                 rf_rx_num++;
 347
 348                         rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110;
 349
 350                         /* Translate DBM to percentage. */
 351                         rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 352                         total_rssi += rssi;
 353
 354                         /* Get Rx snr value in DB */
 355                         rtlpriv->stats.rx_snr_db[i] = (long)(p_drvinfo->rxsnr[i] / 2);
 356
 357                         /* Record Signal Strength for next packet */
 358                         if (bpacket_match_bssid)
 359                                 pstatus->rx_mimo_signalstrength[i] = (u8) rssi;
 360                 }
 361
 362                 /* (2)PWDB, Average PWDB calculated by
 363                  * hardware (for rate adaptive) */
 364                 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 365
 366                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 367                 pstatus->rx_pwdb_all = pwdb_all;
 368                 pstatus->rxpower = rx_pwr_all;
 369                 pstatus->recvsignalpower = rx_pwr_all;
 370
 371                 /* (3)EVM of HT rate */
 372                 if (pstatus->b_is_ht && pstatus->rate >= DESC_RATEMCS8 &&
 373                     pstatus->rate <= DESC_RATEMCS15)
 374                         max_spatial_stream = 2;
 375                 else
 376                         max_spatial_stream = 1;
 377
 378                 for (i = 0; i < max_spatial_stream; i++) {
 379                         evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 380
 381                         if (bpacket_match_bssid) {
 382                                 /* Fill value in RFD, Get the first
 383                                  * spatial stream only */
 384                                 if (i == 0)
 385                                         pstatus->signalquality = (u8) (evm & 0xff);
 386                                 pstatus->rx_mimo_signalquality[i] = (u8) (evm & 0xff);
 387                         }
 388                 }
 389         }
 390
 391         /* UI BSS List signal strength(in percentage),
 392          * make it good looking, from 0~100. */
 393         if (b_is_cck)
 394                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 395                         pwdb_all));
 396         else if (rf_rx_num != 0)
 397                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 398                         total_rssi /= rf_rx_num));
 399         /*HW antenna diversity*/
 400         rtldm->fat_table.antsel_rx_keep_0 = p_phystRpt->ant_sel;
 401         rtldm->fat_table.antsel_rx_keep_1 = p_phystRpt->ant_sel_b;
 402         rtldm->fat_table.antsel_rx_keep_2 = p_phystRpt->antsel_rx_keep_2;
 403
 404 }
 405 #if 0
 406 static void _rtl8821ae_smart_antenna(struct ieee80211_hw *hw,
 407         struct rtl_stats *pstatus)
 408 {
 409         struct rtl_dm *rtldm= rtl_dm(rtl_priv(hw));
 410         struct rtl_efuse *rtlefuse =rtl_efuse(rtl_priv(hw));
 411         u8 antsel_tr_mux;
 412         struct fast_ant_trainning *pfat_table = &(rtldm->fat_table);
 413
 414         if (rtlefuse->antenna_div_type == CG_TRX_SMART_ANTDIV) {
 415                 if (pfat_table->fat_state == FAT_TRAINING_STATE) {
 416                         if (pstatus->b_packet_toself) {
 417                                 antsel_tr_mux = (pfat_table->antsel_rx_keep_2 << 2) |
 418                                         (pfat_table->antsel_rx_keep_1 << 1) | pfat_table->antsel_rx_keep_0;
 419                                 pfat_table->ant_sum_rssi[antsel_tr_mux] += pstatus->rx_pwdb_all;
 420                                 pfat_table->ant_rssi_cnt[antsel_tr_mux]++;
 421                         }
 422                 }
 423         } else if ((rtlefuse->antenna_div_type == CG_TRX_HW_ANTDIV) ||
 424         (rtlefuse->antenna_div_type == CGCS_RX_HW_ANTDIV)) {
 425                 if (pstatus->b_packet_toself || pstatus->b_packet_matchbssid) {
 426                         antsel_tr_mux = (pfat_table->antsel_rx_keep_2 << 2) |
 427                                         (pfat_table->antsel_rx_keep_1 << 1) | pfat_table->antsel_rx_keep_0;
 428                         rtl8821ae_dm_ant_sel_statistics(hw, antsel_tr_mux, 0, pstatus->rx_pwdb_all);
 429                 }
 430
 431         }
 432 }
 433 #endif
 434 static void _rtl8821ae_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 435                 struct sk_buff *skb, struct rtl_stats *pstatus,
 436                 u8 *pdesc, struct rx_fwinfo_8821ae *p_drvinfo)
 437 {
 438         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 439         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 440         struct ieee80211_hdr *hdr;
 441         u8 *tmp_buf;
 442         u8 *praddr;
 443         u8 *psaddr;
 444         u16 fc, type;
 445         bool b_packet_matchbssid, b_packet_toself, b_packet_beacon;
 446
 447         tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 448
 449         hdr = (struct ieee80211_hdr *)tmp_buf;
 450         fc = le16_to_cpu(hdr->frame_control);
 451         type = WLAN_FC_GET_TYPE(fc);
 452         praddr = hdr->addr1;
 453         psaddr = ieee80211_get_SA(hdr);
 454         memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
 455
 456         b_packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 457              (!ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
 458                                   hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
 459                                   hdr->addr2 : hdr->addr3)) && (!pstatus->b_hwerror) &&
 460                                   (!pstatus->b_crc) && (!pstatus->b_icv));
 461
 462         b_packet_toself = b_packet_matchbssid &&
 463             (!ether_addr_equal(praddr, rtlefuse->dev_addr));
 464
 465         if (ieee80211_is_beacon(fc))
 466                 b_packet_beacon = true;
 467         else
 468                 b_packet_beacon = false;
 469
 470         if (b_packet_beacon && b_packet_matchbssid)
 471                 rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
 472
 473         _rtl8821ae_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 474                                    b_packet_matchbssid, b_packet_toself,
 475                                    b_packet_beacon);
 476         /*_rtl8821ae_smart_antenna(hw, pstatus); */
 477         rtl_process_phyinfo(hw, tmp_buf, pstatus);
 478 }
 479
 480 static void _rtl8821ae_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 481                                       u8 *virtualaddress)
 482 {
 483         u32 dwtmp = 0;
 484         memset(virtualaddress, 0, 8);
 485
 486         SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
 487         if (ptcb_desc->empkt_num == 1)
 488                 dwtmp = ptcb_desc->empkt_len[0];
 489         else {
 490                 dwtmp = ptcb_desc->empkt_len[0];
 491                 dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
 492                 dwtmp += ptcb_desc->empkt_len[1];
 493         }
 494         SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
 495
 496         if (ptcb_desc->empkt_num <= 3)
 497                 dwtmp = ptcb_desc->empkt_len[2];
 498         else {
 499                 dwtmp = ptcb_desc->empkt_len[2];
 500                 dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
 501                 dwtmp += ptcb_desc->empkt_len[3];
 502         }
 503         SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
 504         if (ptcb_desc->empkt_num <= 5)
 505                 dwtmp = ptcb_desc->empkt_len[4];
 506         else {
 507                 dwtmp = ptcb_desc->empkt_len[4];
 508                 dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
 509                 dwtmp += ptcb_desc->empkt_len[5];
 510         }
 511         SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
 512         SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
 513         if (ptcb_desc->empkt_num <= 7)
 514                 dwtmp = ptcb_desc->empkt_len[6];
 515         else {
 516                 dwtmp = ptcb_desc->empkt_len[6];
 517                 dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
 518                 dwtmp += ptcb_desc->empkt_len[7];
 519         }
 520         SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
 521         if (ptcb_desc->empkt_num <= 9)
 522                 dwtmp = ptcb_desc->empkt_len[8];
 523         else {
 524                 dwtmp = ptcb_desc->empkt_len[8];
 525                 dwtmp += ((dwtmp%4)?(4-dwtmp%4):0)+4;
 526                 dwtmp += ptcb_desc->empkt_len[9];
 527         }
 528         SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
 529 }
 530
 531 bool rtl8821ae_rx_query_desc(struct ieee80211_hw *hw,
 532                            struct rtl_stats *status,
 533                            struct ieee80211_rx_status *rx_status,
 534                            u8 *pdesc, struct sk_buff *skb)
 535 {
 536         struct rtl_priv *rtlpriv = rtl_priv(hw);
 537         struct rx_fwinfo_8821ae *p_drvinfo;
 538         struct ieee80211_hdr *hdr;
 539
 540         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 541
 542         status->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
 543         status->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 544             RX_DRV_INFO_SIZE_UNIT;
 545         status->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
 546         status->b_icv = (u16) GET_RX_DESC_ICV(pdesc);
 547         status->b_crc = (u16) GET_RX_DESC_CRC32(pdesc);
 548         status->b_hwerror = (status->b_crc | status->b_icv);
 549         status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 550         status->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
 551         status->b_shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
 552         status->b_isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 553         status->b_isfirst_ampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 554         status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 555         status->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
 556         status->macid = GET_RX_DESC_MACID(pdesc);
 557         status->b_is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
 558
 559         status->b_is_cck = RX_HAL_IS_CCK_RATE(status->rate);
 560
 561         if (GET_RX_STATUS_DESC_RPT_SEL(pdesc))
 562                 status->packet_report_type = C2H_PACKET;
 563         else
 564                 status->packet_report_type = NORMAL_RX;
 565
 566         if (GET_RX_STATUS_DESC_PATTERN_MATCH(pdesc))
 567                 status->wake_match = BIT(2);
 568         else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
 569                 status->wake_match = BIT(1);
 570         else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
 571                 status->wake_match = BIT(0);
 572         else
 573                 status->wake_match = 0;
 574
 575         if (status->wake_match)
 576                 RT_TRACE(COMP_RXDESC,DBG_LOUD,
 577                 ("GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",status->wake_match ));
 578         rx_status->freq = hw->conf.chandef.chan->center_freq;
 579         rx_status->band = hw->conf.chandef.chan->band;
 580
 581         hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
 582                         + status->rx_bufshift);
 583
 584         if (status->b_crc)
 585                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 586
 587         if (status->rx_is40Mhzpacket)
 588                 rx_status->flag |= RX_FLAG_40MHZ;
 589
 590         if (status->b_is_ht)
 591                 rx_status->flag |= RX_FLAG_HT;
 592
 593         rx_status->flag |= RX_FLAG_MACTIME_MPDU;
 594
 595         /* hw will set status->decrypted true, if it finds the
 596          * frame is open data frame or mgmt frame. */
 597         /* So hw will not decryption robust management frame
 598          * for IEEE80211w but still set status->decrypted
 599          * true, so here we should set it back to undecrypted
 600          * for IEEE80211w frame, and mac80211 sw will help
 601          * to decrypt it */
 602         if (status->decrypted) {
 603                 if (!hdr) {
 604                         WARN_ON_ONCE(true);
 605                         pr_err("decrypted is true but hdr NULL, from skb %p\n",
 606                                 rtl_get_hdr(skb));
 607                                 return false;
 608                 }
 609
 610                 if ((_ieee80211_is_robust_mgmt_frame(hdr)) &&
 611                         (ieee80211_has_protected(hdr->frame_control)))
 612                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 613                 else
 614                         rx_status->flag |= RX_FLAG_DECRYPTED;
 615         }
 616
 617         /* rate_idx: index of data rate into band's
 618          * supported rates or MCS index if HT rates
 619          * are use (RX_FLAG_HT)*/
 620         /* Notice: this is diff with windows define */
 621         rx_status->rate_idx = _rtl8821ae_rate_mapping(hw,
 622                                 status->b_is_ht, status->rate);
 623
 624         rx_status->mactime = status->timestamp_low;
 625         if (phystatus == true) {
 626                 p_drvinfo = (struct rx_fwinfo_8821ae *)(skb->data +
 627                                                      status->rx_bufshift);
 628
 629                 _rtl8821ae_translate_rx_signal_stuff(hw,
 630                                                    skb, status, pdesc,
 631                                                    p_drvinfo);
 632         }
 633
 634         /*rx_status->qual = status->signal; */
 635         rx_status->signal = status->recvsignalpower + 10;
 636         /*rx_status->noise = -status->noise; */
 637         if (status->packet_report_type == TX_REPORT2){
 638                 status->macid_valid_entry[0] = GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
 639                 status->macid_valid_entry[1] = GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
 640         }
 641         return true;
 642 }
 643
 644 void rtl8821ae_tx_fill_desc(struct ieee80211_hw *hw,
 645                           struct ieee80211_hdr *hdr, u8 *pdesc_tx, u8 *txbd,
 646                           struct ieee80211_tx_info *info,
 647                           struct ieee80211_sta *sta,
 648                           struct sk_buff *skb,
 649                           u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 650 {
 651         struct rtl_priv *rtlpriv = rtl_priv(hw);
 652         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 653         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 654         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 655         u8 *pdesc = (u8 *) pdesc_tx;
 656         u16 seq_number;
 657         u16 fc = le16_to_cpu(hdr->frame_control);
 658         unsigned int buf_len = 0;
 659         unsigned int skb_len = skb->len;
 660         u8 fw_qsel = _rtl8821ae_map_hwqueue_to_fwqueue(skb, hw_queue);
 661         bool b_firstseg = ((hdr->seq_ctrl &
 662                             cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 663         bool b_lastseg = ((hdr->frame_control &
 664                            cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 665         dma_addr_t mapping;
 666         u8 bw_40 = 0;
 667         u8 short_gi = 0;
 668
 669         if (mac->opmode == NL80211_IFTYPE_STATION) {
 670                 bw_40 = mac->bw_40;
 671         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 672                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 673                 if (sta)
 674                         bw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 675         }
 676         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 677         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 678         /* reserve 8 byte for AMPDU early mode */
 679         if (rtlhal->b_earlymode_enable) {
 680                 skb_push(skb, EM_HDR_LEN);
 681                 memset(skb->data, 0, EM_HDR_LEN);
 682         }
 683         buf_len = skb->len;
 684         mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 685                                  PCI_DMA_TODEVICE);
 686         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 687                 RT_TRACE(COMP_SEND, DBG_TRACE,
 688                          ("DMA mapping error"));
 689                 return;
 690         }
 691         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8821ae));
 692         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 693                 b_firstseg = true;
 694                 b_lastseg = true;
 695         }
 696         if (b_firstseg) {
 697                 if (rtlhal->b_earlymode_enable) {
 698                         SET_TX_DESC_PKT_OFFSET(pdesc, 1);
 699                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN + EM_HDR_LEN);
 700                         if (ptcb_desc->empkt_num) {
 701                                 RT_TRACE(COMP_SEND, DBG_TRACE,
 702                                          ("Insert 8 byte.pTcb->EMPktNum:%d\n",
 703                                           ptcb_desc->empkt_num));
 704                                 _rtl8821ae_insert_emcontent(ptcb_desc, (u8 *)(skb->data));
 705                         }
 706                 } else {
 707                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 708                 }
 709
 710                 /* ptcb_desc->use_driver_rate = true; */
 711                 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
 712                 if (ptcb_desc->hw_rate > DESC_RATEMCS0) {
 713                         short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
 714                 } else {
 715                         short_gi = (ptcb_desc->use_shortpreamble) ? 1 :0;
 716                 }
 717                 SET_TX_DESC_DATA_SHORTGI(pdesc, short_gi);
 718
 719                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 720                         SET_TX_DESC_AGG_ENABLE(pdesc, 1);
 721                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 722                 }
 723                 SET_TX_DESC_SEQ(pdesc, seq_number);
 724                 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->b_rts_enable &&
 725                                                 !ptcb_desc->b_cts_enable) ? 1 : 0));
 726                 SET_TX_DESC_HW_RTS_ENABLE(pdesc,0);
 727                 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->b_cts_enable) ? 1 : 0));
 728         /*      SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->b_rts_stbc) ? 1 : 0));*/
 729
 730                 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 731         /*      SET_TX_DESC_RTS_BW(pdesc, 0);*/
 732                 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
 733                 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <= DESC_RATE54M) ?
 734                         (ptcb_desc->b_rts_use_shortpreamble ? 1 : 0) :
 735                         (ptcb_desc->b_rts_use_shortgi ? 1 : 0)));
 736
 737                 if(ptcb_desc->btx_enable_sw_calc_duration)
 738                         SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
 739
 740                 if (bw_40) {
 741                         if (ptcb_desc->b_packet_bw) {
 742                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 743                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 744                         } else {
 745                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 746                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, mac->cur_40_prime_sc);
 747                         }
 748                 } else {
 749                         SET_TX_DESC_DATA_BW(pdesc, 0);
 750                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 751                 }
 752
 753                 SET_TX_DESC_LINIP(pdesc, 0);
 754                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
 755                 if (sta) {
 756                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 757                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 758                 }
 759                 if (info->control.hw_key) {
 760                         struct ieee80211_key_conf *keyconf = info->control.hw_key;
 761                         switch (keyconf->cipher) {
 762                         case WLAN_CIPHER_SUITE_WEP40:
 763                         case WLAN_CIPHER_SUITE_WEP104:
 764                         case WLAN_CIPHER_SUITE_TKIP:
 765                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 766                                 break;
 767                         case WLAN_CIPHER_SUITE_CCMP:
 768                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 769                                 break;
 770                         default:
 771                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 772                                 break;
 773
 774                         }
 775                 }
 776
 777                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 778                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 779                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 780                 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ? 1 : 0);
 781                 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 782
 783 #if 0
 784                 SET_TX_DESC_USE_RATE(pdesc, 1);
 785                 SET_TX_DESC_TX_RATE(pdesc, 0x04);
 786
 787                 SET_TX_DESC_RETRY_LIMIT_ENABLE(pdesc, 1);
 788                 SET_TX_DESC_DATA_RETRY_LIMIT(pdesc, 0x3f);
 789 #endif
 790
 791                 /*SET_TX_DESC_PWR_STATUS(pdesc, pwr_status);*/
 792                 /* Set TxRate and RTSRate in TxDesc  */
 793                 /* This prevent Tx initial rate of new-coming packets */
 794                 /* from being overwritten by retried  packet rate.*/
 795                 if (!ptcb_desc->use_driver_rate) {
 796                         /*SET_TX_DESC_RTS_RATE(pdesc, 0x08); */
 797                         /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
 798                 }
 799                 if (ieee80211_is_data_qos(fc)) {
 800                         if (mac->rdg_en) {
 801                                 RT_TRACE(COMP_SEND, DBG_TRACE,
 802                                         ("Enable RDG function.\n"));
 803                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 804                                 SET_TX_DESC_HTC(pdesc, 1);
 805                         }
 806                 }
 807         }
 808
 809         SET_TX_DESC_FIRST_SEG(pdesc, (b_firstseg ? 1 : 0));
 810         SET_TX_DESC_LAST_SEG(pdesc, (b_lastseg ? 1 : 0));
 811         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
 812         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping));
 813         //if (rtlpriv->dm.b_useramask) {
 814         if(1){
 815                 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
 816                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 817         } else {
 818                 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
 819                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 820         }
 821 /*      if (ieee80211_is_data_qos(fc))
 822                 SET_TX_DESC_QOS(pdesc, 1);
 823 */
 824         if (!ieee80211_is_data_qos(fc))  {
 825                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 826                 SET_TX_DESC_HWSEQ_SEL(pdesc, 0);
 827         }
 828         SET_TX_DESC_MORE_FRAG(pdesc, (b_lastseg ? 0 : 1));
 829         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 830             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 831                 SET_TX_DESC_BMC(pdesc, 1);
 832         }
 833
 834         rtl8821ae_dm_set_tx_ant_by_tx_info(hw,pdesc,ptcb_desc->mac_id);
 835         RT_TRACE(COMP_SEND, DBG_TRACE, ("\n"));
 836 }
 837
 838 void rtl8821ae_tx_fill_cmddesc(struct ieee80211_hw *hw,
 839                              u8 *pdesc, bool b_firstseg,
 840                              bool b_lastseg, struct sk_buff *skb)
 841 {
 842         struct rtl_priv *rtlpriv = rtl_priv(hw);
 843         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 844         u8 fw_queue = QSLT_BEACON;
 845
 846         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 847                                             skb->data, skb->len,
 848                                             PCI_DMA_TODEVICE);
 849
 850         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 851                 RT_TRACE(COMP_SEND, DBG_TRACE,
 852                          ("DMA mapping error"));
 853                 return;
 854         }
 855         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 856
 857         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 858         SET_TX_DESC_LAST_SEG(pdesc, 1);
 859
 860         SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len));
 861
 862         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 863
 864         SET_TX_DESC_USE_RATE(pdesc, 1);
 865         SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M);
 866         SET_TX_DESC_DISABLE_FB(pdesc, 1);
 867
 868         SET_TX_DESC_DATA_BW(pdesc, 0);
 869
 870         SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 871
 872         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 873 /*
 874         if(IsCtrlNDPA(VirtualAddress) || IsMgntNDPA(VirtualAddress))
 875         {
 876                 SET_TX_DESC_DATA_RETRY_LIMIT_8812(pDesc, 5);
 877                 SET_TX_DESC_RETRY_LIMIT_ENABLE_8812(pDesc, 1);
 878
 879                 if(IsMgntNDPA(VirtualAddress))
 880                 {
 881                         SET_TX_DESC_NDPA_8812(pDesc, 1);
 882                         SET_TX_DESC_RTS_SC_8812(pDesc, SCMapping_8812(Adapter, pTcb));
 883                 }
 884                 else
 885                 {
 886                         SET_TX_DESC_NDPA_8812(pDesc, 2);
 887                         SET_TX_DESC_RTS_SC_8812(pDesc, SCMapping_8812(Adapter, pTcb));
 888                 }
 889         }*/
 890
 891         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
 892
 893         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping));
 894
 895         SET_TX_DESC_MACID(pdesc, 0);
 896
 897         SET_TX_DESC_OWN(pdesc, 1);
 898
 899         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 900                       "H2C Tx Cmd Content\n",
 901                       pdesc, TX_DESC_SIZE);
 902 }
 903
 904 void rtl8821ae_set_desc(struct ieee80211_hw * hw, u8 *pdesc, bool istx, u8 desc_name, u8 *val)
 905 {
 906         if (istx == true) {
 907                 switch (desc_name) {
 908                 case HW_DESC_OWN:
 909                         SET_TX_DESC_OWN(pdesc, 1);
 910                         break;
 911                 case HW_DESC_TX_NEXTDESC_ADDR:
 912                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
 913                         break;
 914                 default:
 915                         RT_ASSERT(false, ("ERR txdesc :%d"
 916                                           " not process\n", desc_name));
 917                         break;
 918                 }
 919         } else {
 920                 switch (desc_name) {
 921                 case HW_DESC_RXOWN:
 922                         SET_RX_DESC_OWN(pdesc, 1);
 923                         break;
 924                 case HW_DESC_RXBUFF_ADDR:
 925                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
 926                         break;
 927                 case HW_DESC_RXPKT_LEN:
 928                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
 929                         break;
 930                 case HW_DESC_RXERO:
 931                         SET_RX_DESC_EOR(pdesc, 1);
 932                         break;
 933                 default:
 934                         RT_ASSERT(false, ("ERR rxdesc :%d "
 935                                           "not process\n", desc_name));
 936                         break;
 937                 }
 938         }
 939 }
 940
 941 u32 rtl8821ae_get_desc(u8 *pdesc, bool istx, u8 desc_name)
 942 {
 943         u32 ret = 0;
 944
 945         if (istx == true) {
 946                 switch (desc_name) {
 947                 case HW_DESC_OWN:
 948                         ret = GET_TX_DESC_OWN(pdesc);
 949                         break;
 950                 case HW_DESC_TXBUFF_ADDR:
 951                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
 952                         break;
 953                 default:
 954                         RT_ASSERT(false, ("ERR txdesc :%d "
 955                                           "not process\n", desc_name));
 956                         break;
 957                 }
 958         } else {
 959                 switch (desc_name) {
 960                 case HW_DESC_OWN:
 961                         ret = GET_RX_DESC_OWN(pdesc);
 962                         break;
 963                 case HW_DESC_RXPKT_LEN:
 964                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 965                         break;
 966                 default:
 967                         RT_ASSERT(false, ("ERR rxdesc :%d "
 968                                           "not process\n", desc_name));
 969                         break;
 970                 }
 971         }
 972         return ret;
 973 }
 974
 975 bool rtl8821ae_is_tx_desc_closed(struct ieee80211_hw *hw,
 976                                  u8 hw_queue, u16 index)
 977 {
 978         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 979         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 980         u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 981         u8 own = (u8) rtl8821ae_get_desc(entry, true, HW_DESC_OWN);
 982
 983         /*
 984          *beacon packet will only use the first
 985          *descriptor defautly,and the own may not
 986          *be cleared by the hardware
 987          */
 988         if (own)
 989                 return false;
 990         else
 991                 return true;
 992 }
 993
 994
 995 void rtl8821ae_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 996 {
 997         struct rtl_priv *rtlpriv = rtl_priv(hw);
 998
 999         if (hw_queue == BEACON_QUEUE) {
1000                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
1001         } else {
1002                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
1003                                BIT(0) << (hw_queue));
1004         }
1005 }