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

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2013  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  * The full GNU General Public License is included in this distribution in the
  15  * file called LICENSE.
  16  *
  17  * Contact Information:
  18  * wlanfae <wlanfae@realtek.com>
  19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20  * Hsinchu 300, Taiwan.
  21  *
  22  * Larry Finger <Larry.Finger@lwfinger.net>
  23  *
  24  *****************************************************************************/
  25
  26 #include "../wifi.h"
  27 #include "../pci.h"
  28 #include "../base.h"
  29 #include "../stats.h"
  30 #include "reg.h"
  31 #include "def.h"
  32 #include "phy.h"
  33 #include "trx.h"
  34 #include "led.h"
  35 #include "dm.h"
  36 #include "phy.h"
  37
  38 static u8 _rtl88ee_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
  39 {
  40         __le16 fc = rtl_get_fc(skb);
  41
  42         if (unlikely(ieee80211_is_beacon(fc)))
  43                 return QSLT_BEACON;
  44         if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
  45                 return QSLT_MGNT;
  46
  47         return skb->priority;
  48 }
  49
  50 /* mac80211's rate_idx is like this:
  51  *
  52  * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ
  53  *
  54  * B/G rate:
  55  * (rx_status->flag & RX_FLAG_HT) = 0,
  56  * DESC92C_RATE1M-->DESC92C_RATE54M ==> idx is 0-->11,
  57  *
  58  * N rate:
  59  * (rx_status->flag & RX_FLAG_HT) = 1,
  60  * DESC92C_RATEMCS0-->DESC92C_RATEMCS15 ==> idx is 0-->15
  61  *
  62  * 5G band:rx_status->band == IEEE80211_BAND_5GHZ
  63  * A rate:
  64  * (rx_status->flag & RX_FLAG_HT) = 0,
  65  * DESC92C_RATE6M-->DESC92C_RATE54M ==> idx is 0-->7,
  66  *
  67  * N rate:
  68  * (rx_status->flag & RX_FLAG_HT) = 1,
  69  * DESC92C_RATEMCS0-->DESC92C_RATEMCS15 ==> idx is 0-->15
  70  */
  71 static int _rtl88ee_rate_mapping(struct ieee80211_hw *hw,
  72                                  bool isht, u8 desc_rate)
  73 {
  74         int rate_idx;
  75
  76         if (!isht) {
  77                 if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
  78                         switch (desc_rate) {
  79                         case DESC92C_RATE1M:
  80                                 rate_idx = 0;
  81                                 break;
  82                         case DESC92C_RATE2M:
  83                                 rate_idx = 1;
  84                                 break;
  85                         case DESC92C_RATE5_5M:
  86                                 rate_idx = 2;
  87                                 break;
  88                         case DESC92C_RATE11M:
  89                                 rate_idx = 3;
  90                                 break;
  91                         case DESC92C_RATE6M:
  92                                 rate_idx = 4;
  93                                 break;
  94                         case DESC92C_RATE9M:
  95                                 rate_idx = 5;
  96                                 break;
  97                         case DESC92C_RATE12M:
  98                                 rate_idx = 6;
  99                                 break;
 100                         case DESC92C_RATE18M:
 101                                 rate_idx = 7;
 102                                 break;
 103                         case DESC92C_RATE24M:
 104                                 rate_idx = 8;
 105                                 break;
 106                         case DESC92C_RATE36M:
 107                                 rate_idx = 9;
 108                                 break;
 109                         case DESC92C_RATE48M:
 110                                 rate_idx = 10;
 111                                 break;
 112                         case DESC92C_RATE54M:
 113                                 rate_idx = 11;
 114                                 break;
 115                         default:
 116                                 rate_idx = 0;
 117                                 break;
 118                         }
 119                 } else {
 120                         switch (desc_rate) {
 121                         case DESC92C_RATE6M:
 122                                 rate_idx = 0;
 123                                 break;
 124                         case DESC92C_RATE9M:
 125                                 rate_idx = 1;
 126                                 break;
 127                         case DESC92C_RATE12M:
 128                                 rate_idx = 2;
 129                                 break;
 130                         case DESC92C_RATE18M:
 131                                 rate_idx = 3;
 132                                 break;
 133                         case DESC92C_RATE24M:
 134                                 rate_idx = 4;
 135                                 break;
 136                         case DESC92C_RATE36M:
 137                                 rate_idx = 5;
 138                                 break;
 139                         case DESC92C_RATE48M:
 140                                 rate_idx = 6;
 141                                 break;
 142                         case DESC92C_RATE54M:
 143                                 rate_idx = 7;
 144                                 break;
 145                         default:
 146                                 rate_idx = 0;
 147                                 break;
 148                         }
 149                 }
 150         } else {
 151                 switch (desc_rate) {
 152                 case DESC92C_RATEMCS0:
 153                         rate_idx = 0;
 154                         break;
 155                 case DESC92C_RATEMCS1:
 156                         rate_idx = 1;
 157                         break;
 158                 case DESC92C_RATEMCS2:
 159                         rate_idx = 2;
 160                         break;
 161                 case DESC92C_RATEMCS3:
 162                         rate_idx = 3;
 163                         break;
 164                 case DESC92C_RATEMCS4:
 165                         rate_idx = 4;
 166                         break;
 167                 case DESC92C_RATEMCS5:
 168                         rate_idx = 5;
 169                         break;
 170                 case DESC92C_RATEMCS6:
 171                         rate_idx = 6;
 172                         break;
 173                 case DESC92C_RATEMCS7:
 174                         rate_idx = 7;
 175                         break;
 176                 case DESC92C_RATEMCS8:
 177                         rate_idx = 8;
 178                         break;
 179                 case DESC92C_RATEMCS9:
 180                         rate_idx = 9;
 181                         break;
 182                 case DESC92C_RATEMCS10:
 183                         rate_idx = 10;
 184                         break;
 185                 case DESC92C_RATEMCS11:
 186                         rate_idx = 11;
 187                         break;
 188                 case DESC92C_RATEMCS12:
 189                         rate_idx = 12;
 190                         break;
 191                 case DESC92C_RATEMCS13:
 192                         rate_idx = 13;
 193                         break;
 194                 case DESC92C_RATEMCS14:
 195                         rate_idx = 14;
 196                         break;
 197                 case DESC92C_RATEMCS15:
 198                         rate_idx = 15;
 199                         break;
 200                 default:
 201                         rate_idx = 0;
 202                         break;
 203                 }
 204         }
 205         return rate_idx;
 206 }
 207
 208 static void _rtl88ee_query_rxphystatus(struct ieee80211_hw *hw,
 209                         struct rtl_stats *pstatus, u8 *pdesc,
 210                         struct rx_fwinfo_88e *p_drvinfo,
 211                         bool bpacket_match_bssid,
 212                         bool bpacket_toself, bool packet_beacon)
 213 {
 214         struct rtl_priv *rtlpriv = rtl_priv(hw);
 215         struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
 216         struct phy_sts_cck_8192s_t *cck_buf;
 217         struct phy_status_rpt *phystrpt =
 218                 (struct phy_status_rpt *)p_drvinfo;
 219         struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
 220         char rx_pwr_all = 0, rx_pwr[4];
 221         u8 rf_rx_num = 0, evm, pwdb_all;
 222         u8 i, max_spatial_stream;
 223         u32 rssi, total_rssi = 0;
 224         bool is_cck = pstatus->is_cck;
 225         u8 lan_idx, vga_idx;
 226
 227         /* Record it for next packet processing */
 228         pstatus->packet_matchbssid = bpacket_match_bssid;
 229         pstatus->packet_toself = bpacket_toself;
 230         pstatus->packet_beacon = packet_beacon;
 231         pstatus->rx_mimo_signalquality[0] = -1;
 232         pstatus->rx_mimo_signalquality[1] = -1;
 233
 234         if (is_cck) {
 235                 u8 cck_highpwr;
 236                 u8 cck_agc_rpt;
 237                 /* CCK Driver info Structure is not the same as OFDM packet. */
 238                 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
 239                 cck_agc_rpt = cck_buf->cck_agc_rpt;
 240
 241                 /* (1)Hardware does not provide RSSI for CCK
 242                  * (2)PWDB, Average PWDB cacluated by
 243                  * hardware (for rate adaptive)
 244                  */
 245                 if (ppsc->rfpwr_state == ERFON)
 246                         cck_highpwr =
 247                                 (u8)rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
 248                                                   BIT(9));
 249                 else
 250                         cck_highpwr = false;
 251
 252                 lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
 253                 vga_idx = (cck_agc_rpt & 0x1f);
 254                 switch (lan_idx) {
 255                 case 7:
 256                         if (vga_idx <= 27)
 257                                 /*VGA_idx = 27~2*/
 258                                 rx_pwr_all = -100 + 2*(27-vga_idx);
 259                         else
 260                                 rx_pwr_all = -100;
 261                         break;
 262                 case 6:
 263                         /*VGA_idx = 2~0*/
 264                         rx_pwr_all = -48 + 2*(2-vga_idx);
 265                         break;
 266                 case 5:
 267                         /*VGA_idx = 7~5*/
 268                         rx_pwr_all = -42 + 2*(7-vga_idx);
 269                         break;
 270                 case 4:
 271                         /*VGA_idx = 7~4*/
 272                         rx_pwr_all = -36 + 2*(7-vga_idx);
 273                         break;
 274                 case 3:
 275                         /*VGA_idx = 7~0*/
 276                         rx_pwr_all = -24 + 2*(7-vga_idx);
 277                         break;
 278                 case 2:
 279                         if (cck_highpwr)
 280                                 /*VGA_idx = 5~0*/
 281                                 rx_pwr_all = -12 + 2*(5-vga_idx);
 282                         else
 283                                 rx_pwr_all = -6 + 2*(5-vga_idx);
 284                         break;
 285                 case 1:
 286                         rx_pwr_all = 8-2*vga_idx;
 287                         break;
 288                 case 0:
 289                         rx_pwr_all = 14-2*vga_idx;
 290                         break;
 291                 default:
 292                         break;
 293                 }
 294                 rx_pwr_all += 6;
 295                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 296                 /* CCK gain is smaller than OFDM/MCS gain,  */
 297                 /* so we add gain diff by experiences, the val is 6 */
 298                 pwdb_all += 6;
 299                 if (pwdb_all > 100)
 300                         pwdb_all = 100;
 301                 /* modify the offset to make the same
 302                  * gain index with OFDM.
 303                  */
 304                 if (pwdb_all > 34 && pwdb_all <= 42)
 305                         pwdb_all -= 2;
 306                 else if (pwdb_all > 26 && pwdb_all <= 34)
 307                         pwdb_all -= 6;
 308                 else if (pwdb_all > 14 && pwdb_all <= 26)
 309                         pwdb_all -= 8;
 310                 else if (pwdb_all > 4 && pwdb_all <= 14)
 311                         pwdb_all -= 4;
 312                 if (!cck_highpwr) {
 313                         if (pwdb_all >= 80)
 314                                 pwdb_all = ((pwdb_all-80)<<1) +
 315                                            ((pwdb_all-80)>>1) + 80;
 316                         else if ((pwdb_all <= 78) && (pwdb_all >= 20))
 317                                 pwdb_all += 3;
 318                         if (pwdb_all > 100)
 319                                 pwdb_all = 100;
 320                 }
 321
 322                 pstatus->rx_pwdb_all = pwdb_all;
 323                 pstatus->recvsignalpower = rx_pwr_all;
 324
 325                 /* (3) Get Signal Quality (EVM) */
 326                 if (bpacket_match_bssid) {
 327                         u8 sq;
 328
 329                         if (pstatus->rx_pwdb_all > 40)
 330                                 sq = 100;
 331                         else {
 332                                 sq = cck_buf->sq_rpt;
 333                                 if (sq > 64)
 334                                         sq = 0;
 335                                 else if (sq < 20)
 336                                         sq = 100;
 337                                 else
 338                                         sq = ((64 - sq) * 100) / 44;
 339                         }
 340
 341                         pstatus->signalquality = sq;
 342                         pstatus->rx_mimo_signalquality[0] = sq;
 343                         pstatus->rx_mimo_signalquality[1] = -1;
 344                 }
 345         } else {
 346                 rtlpriv->dm.rfpath_rxenable[0] =
 347                     rtlpriv->dm.rfpath_rxenable[1] = true;
 348
 349                 /* (1)Get RSSI for HT rate */
 350                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 351                         /* we will judge RF RX path now. */
 352                         if (rtlpriv->dm.rfpath_rxenable[i])
 353                                 rf_rx_num++;
 354
 355                         rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
 356                                       0x3f) * 2) - 110;
 357
 358                         /* Translate DBM to percentage. */
 359                         rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 360                         total_rssi += rssi;
 361
 362                         /* Get Rx snr value in DB */
 363                         rtlpriv->stats.rx_snr_db[i] =
 364                                 (long)(p_drvinfo->rxsnr[i] / 2);
 365
 366                         /* Record Signal Strength for next packet */
 367                         if (bpacket_match_bssid)
 368                                 pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
 369                 }
 370
 371                 /* (2)PWDB, Average PWDB cacluated by
 372                  * hardware (for rate adaptive)
 373                  */
 374                 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 375
 376                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 377                 pstatus->rx_pwdb_all = pwdb_all;
 378                 pstatus->rxpower = rx_pwr_all;
 379                 pstatus->recvsignalpower = rx_pwr_all;
 380
 381                 /* (3)EVM of HT rate */
 382                 if (pstatus->is_ht && pstatus->rate >= DESC92C_RATEMCS8 &&
 383                     pstatus->rate <= DESC92C_RATEMCS15)
 384                         max_spatial_stream = 2;
 385                 else
 386                         max_spatial_stream = 1;
 387
 388                 for (i = 0; i < max_spatial_stream; i++) {
 389                         evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 390
 391                         if (bpacket_match_bssid) {
 392                                 /* Fill value in RFD, Get the first
 393                                  * spatial stream onlyi
 394                                  */
 395                                 if (i == 0)
 396                                         pstatus->signalquality =
 397                                                 (u8)(evm & 0xff);
 398                                 pstatus->rx_mimo_signalquality[i] =
 399                                         (u8)(evm & 0xff);
 400                         }
 401                 }
 402         }
 403
 404         /* UI BSS List signal strength(in percentage),
 405          * make it good looking, from 0~100.
 406          */
 407         if (is_cck)
 408                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 409                         pwdb_all));
 410         else if (rf_rx_num != 0)
 411                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 412                         total_rssi /= rf_rx_num));
 413         /*HW antenna diversity*/
 414         rtldm->fat_table.antsel_rx_keep_0 = phystrpt->ant_sel;
 415         rtldm->fat_table.antsel_rx_keep_1 = phystrpt->ant_sel_b;
 416         rtldm->fat_table.antsel_rx_keep_2 = phystrpt->antsel_rx_keep_2;
 417 }
 418
 419 static void _rtl88ee_smart_antenna(struct ieee80211_hw *hw,
 420         struct rtl_stats *pstatus)
 421 {
 422         struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
 423         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 424         u8 antsel_tr_mux;
 425         struct fast_ant_training *pfat_table = &rtldm->fat_table;
 426
 427         if (rtlefuse->antenna_div_type == CG_TRX_SMART_ANTDIV) {
 428                 if (pfat_table->fat_state == FAT_TRAINING_STATE) {
 429                         if (pstatus->packet_toself) {
 430                                 antsel_tr_mux =
 431                                         (pfat_table->antsel_rx_keep_2 << 2) |
 432                                         (pfat_table->antsel_rx_keep_1 << 1) |
 433                                         pfat_table->antsel_rx_keep_0;
 434                                 pfat_table->ant_sum[antsel_tr_mux] +=
 435                                         pstatus->rx_pwdb_all;
 436                                 pfat_table->ant_cnt[antsel_tr_mux]++;
 437                         }
 438                 }
 439         } else if ((rtlefuse->antenna_div_type == CG_TRX_HW_ANTDIV) ||
 440         (rtlefuse->antenna_div_type == CGCS_RX_HW_ANTDIV)) {
 441                 if (pstatus->packet_toself || pstatus->packet_matchbssid) {
 442                         antsel_tr_mux = (pfat_table->antsel_rx_keep_2 << 2) |
 443                                         (pfat_table->antsel_rx_keep_1 << 1) |
 444                                         pfat_table->antsel_rx_keep_0;
 445                         rtl88e_dm_ant_sel_statistics(hw, antsel_tr_mux, 0,
 446                                                      pstatus->rx_pwdb_all);
 447                 }
 448
 449         }
 450 }
 451
 452 static void _rtl88ee_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 453                                                struct sk_buff *skb,
 454                                                struct rtl_stats *pstatus,
 455                                                u8 *pdesc,
 456                                                struct rx_fwinfo_88e *p_drvinfo)
 457 {
 458         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 459         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 460         struct ieee80211_hdr *hdr;
 461         u8 *tmp_buf;
 462         u8 *praddr;
 463         u8 *psaddr;
 464         __le16 fc;
 465         bool packet_matchbssid, packet_toself, packet_beacon;
 466
 467         tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 468
 469         hdr = (struct ieee80211_hdr *)tmp_buf;
 470         fc = hdr->frame_control;
 471         praddr = hdr->addr1;
 472         psaddr = ieee80211_get_SA(hdr);
 473         memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
 474
 475         packet_matchbssid = ((!ieee80211_is_ctl(fc)) &&
 476              (ether_addr_equal(mac->bssid, ieee80211_has_tods(fc) ?
 477                                hdr->addr1 : ieee80211_has_fromds(fc) ?
 478                                hdr->addr2 : hdr->addr3)) &&
 479                                (!pstatus->hwerror) &&
 480                                (!pstatus->crc) && (!pstatus->icv));
 481
 482         packet_toself = packet_matchbssid &&
 483             (ether_addr_equal(praddr, rtlefuse->dev_addr));
 484
 485         if (ieee80211_is_beacon(hdr->frame_control))
 486                 packet_beacon = true;
 487         else
 488                 packet_beacon = false;
 489
 490         _rtl88ee_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 491                                    packet_matchbssid, packet_toself,
 492                                    packet_beacon);
 493         _rtl88ee_smart_antenna(hw, pstatus);
 494         rtl_process_phyinfo(hw, tmp_buf, pstatus);
 495 }
 496
 497 static void _rtl88ee_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 498                                       u8 *virtualaddress)
 499 {
 500         u32 dwtmp = 0;
 501         memset(virtualaddress, 0, 8);
 502
 503         SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
 504         if (ptcb_desc->empkt_num == 1) {
 505                 dwtmp = ptcb_desc->empkt_len[0];
 506         } else {
 507                 dwtmp = ptcb_desc->empkt_len[0];
 508                 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
 509                 dwtmp += ptcb_desc->empkt_len[1];
 510         }
 511         SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
 512
 513         if (ptcb_desc->empkt_num <= 3) {
 514                 dwtmp = ptcb_desc->empkt_len[2];
 515         } else {
 516                 dwtmp = ptcb_desc->empkt_len[2];
 517                 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
 518                 dwtmp += ptcb_desc->empkt_len[3];
 519         }
 520         SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
 521         if (ptcb_desc->empkt_num <= 5) {
 522                 dwtmp = ptcb_desc->empkt_len[4];
 523         } else {
 524                 dwtmp = ptcb_desc->empkt_len[4];
 525                 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
 526                 dwtmp += ptcb_desc->empkt_len[5];
 527         }
 528         SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
 529         SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
 530         if (ptcb_desc->empkt_num <= 7) {
 531                 dwtmp = ptcb_desc->empkt_len[6];
 532         } else {
 533                 dwtmp = ptcb_desc->empkt_len[6];
 534                 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
 535                 dwtmp += ptcb_desc->empkt_len[7];
 536         }
 537         SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
 538         if (ptcb_desc->empkt_num <= 9) {
 539                 dwtmp = ptcb_desc->empkt_len[8];
 540         } else {
 541                 dwtmp = ptcb_desc->empkt_len[8];
 542                 dwtmp += ((dwtmp%4) ? (4-dwtmp%4) : 0)+4;
 543                 dwtmp += ptcb_desc->empkt_len[9];
 544         }
 545         SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
 546 }
 547
 548 bool rtl88ee_rx_query_desc(struct ieee80211_hw *hw,
 549                            struct rtl_stats *status,
 550                            struct ieee80211_rx_status *rx_status,
 551                            u8 *pdesc, struct sk_buff *skb)
 552 {
 553         struct rtl_priv *rtlpriv = rtl_priv(hw);
 554         struct rx_fwinfo_88e *p_drvinfo;
 555         struct ieee80211_hdr *hdr;
 556
 557         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 558         status->packet_report_type = (u8)GET_RX_STATUS_DESC_RPT_SEL(pdesc);
 559         if (status->packet_report_type == TX_REPORT2)
 560                 status->length = (u16)GET_RX_RPT2_DESC_PKT_LEN(pdesc);
 561         else
 562                 status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
 563         status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 564             RX_DRV_INFO_SIZE_UNIT;
 565         status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
 566         status->icv = (u16)GET_RX_DESC_ICV(pdesc);
 567         status->crc = (u16)GET_RX_DESC_CRC32(pdesc);
 568         status->hwerror = (status->crc | status->icv);
 569         status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 570         status->rate = (u8)GET_RX_DESC_RXMCS(pdesc);
 571         status->shortpreamble = (u16)GET_RX_DESC_SPLCP(pdesc);
 572         status->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 573         status->isfirst_ampdu = (bool)((GET_RX_DESC_PAGGR(pdesc) == 1) &&
 574                                 (GET_RX_DESC_FAGGR(pdesc) == 1));
 575         if (status->packet_report_type == NORMAL_RX)
 576                 status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 577         status->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
 578         status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
 579
 580         status->is_cck = RTL8188_RX_HAL_IS_CCK_RATE(status->rate);
 581
 582         status->macid = GET_RX_DESC_MACID(pdesc);
 583         if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
 584                 status->wake_match = BIT(2);
 585         else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
 586                 status->wake_match = BIT(1);
 587         else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
 588                 status->wake_match = BIT(0);
 589         else
 590                 status->wake_match = 0;
 591         if (status->wake_match)
 592                 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
 593                 "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
 594                 status->wake_match);
 595         rx_status->freq = hw->conf.chandef.chan->center_freq;
 596         rx_status->band = hw->conf.chandef.chan->band;
 597
 598         hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
 599                         + status->rx_bufshift);
 600
 601         if (status->crc)
 602                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 603
 604         if (status->rx_is40Mhzpacket)
 605                 rx_status->flag |= RX_FLAG_40MHZ;
 606
 607         if (status->is_ht)
 608                 rx_status->flag |= RX_FLAG_HT;
 609
 610         rx_status->flag |= RX_FLAG_MACTIME_START;
 611
 612         /* hw will set status->decrypted true, if it finds the
 613          * frame is open data frame or mgmt frame.
 614          * So hw will not decryption robust managment frame
 615          * for IEEE80211w but still set status->decrypted
 616          * true, so here we should set it back to undecrypted
 617          * for IEEE80211w frame, and mac80211 sw will help
 618          * to decrypt it
 619          */
 620         if (status->decrypted) {
 621                 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
 622                     (ieee80211_has_protected(hdr->frame_control)))
 623                         rx_status->flag |= RX_FLAG_DECRYPTED;
 624                 else
 625                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 626         }
 627
 628         /* rate_idx: index of data rate into band's
 629          * supported rates or MCS index if HT rates
 630          * are use (RX_FLAG_HT)
 631          * Notice: this is diff with windows define
 632          */
 633         rx_status->rate_idx = _rtl88ee_rate_mapping(hw,
 634                                 status->is_ht, status->rate);
 635
 636         rx_status->mactime = status->timestamp_low;
 637         if (phystatus == true) {
 638                 p_drvinfo = (struct rx_fwinfo_88e *)(skb->data +
 639                                                      status->rx_bufshift);
 640
 641                 _rtl88ee_translate_rx_signal_stuff(hw,
 642                                                    skb, status, pdesc,
 643                                                    p_drvinfo);
 644         }
 645         rx_status->signal = status->recvsignalpower + 10;
 646         if (status->packet_report_type == TX_REPORT2) {
 647                 status->macid_valid_entry[0] =
 648                          GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
 649                 status->macid_valid_entry[1] =
 650                          GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
 651         }
 652         return true;
 653 }
 654
 655 void rtl88ee_tx_fill_desc(struct ieee80211_hw *hw,
 656                           struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 657                           u8 *txbd, struct ieee80211_tx_info *info,
 658                           struct ieee80211_sta *sta,
 659                           struct sk_buff *skb,
 660                           u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 661
 662 {
 663         struct rtl_priv *rtlpriv = rtl_priv(hw);
 664         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 665         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 666         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 667         u8 *pdesc = (u8 *)pdesc_tx;
 668         u16 seq_number;
 669         __le16 fc = hdr->frame_control;
 670         unsigned int buf_len = 0;
 671         unsigned int skb_len = skb->len;
 672         u8 fw_qsel = _rtl88ee_map_hwqueue_to_fwqueue(skb, hw_queue);
 673         bool firstseg = ((hdr->seq_ctrl &
 674                             cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 675         bool lastseg = ((hdr->frame_control &
 676                            cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 677         dma_addr_t mapping;
 678         u8 bw_40 = 0;
 679         u8 short_gi = 0;
 680
 681         if (mac->opmode == NL80211_IFTYPE_STATION) {
 682                 bw_40 = mac->bw_40;
 683         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 684                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 685                 if (sta)
 686                         bw_40 = sta->ht_cap.cap &
 687                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 688         }
 689         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 690         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 691         /* reserve 8 byte for AMPDU early mode */
 692         if (rtlhal->earlymode_enable) {
 693                 skb_push(skb, EM_HDR_LEN);
 694                 memset(skb->data, 0, EM_HDR_LEN);
 695         }
 696         buf_len = skb->len;
 697         mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 698                                  PCI_DMA_TODEVICE);
 699         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 700                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 701                          "DMA mapping error");
 702                 return;
 703         }
 704         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_88e));
 705         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 706                 firstseg = true;
 707                 lastseg = true;
 708         }
 709         if (firstseg) {
 710                 if (rtlhal->earlymode_enable) {
 711                         SET_TX_DESC_PKT_OFFSET(pdesc, 1);
 712                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
 713                                            EM_HDR_LEN);
 714                         if (ptcb_desc->empkt_num) {
 715                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 716                                          "Insert 8 byte.pTcb->EMPktNum:%d\n",
 717                                           ptcb_desc->empkt_num);
 718                                 _rtl88ee_insert_emcontent(ptcb_desc,
 719                                                           (u8 *)(skb->data));
 720                         }
 721                 } else {
 722                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 723                 }
 724
 725                 ptcb_desc->use_driver_rate = true;
 726                 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
 727                 if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
 728                         short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
 729                 else
 730                         short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
 731
 732                 SET_TX_DESC_DATA_SHORTGI(pdesc, short_gi);
 733
 734                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 735                         SET_TX_DESC_AGG_ENABLE(pdesc, 1);
 736                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 737                 }
 738                 SET_TX_DESC_SEQ(pdesc, seq_number);
 739                 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
 740                                                 !ptcb_desc->cts_enable) ? 1 : 0));
 741                 SET_TX_DESC_HW_RTS_ENABLE(pdesc, 0);
 742                 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
 743                 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
 744
 745                 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 746                 SET_TX_DESC_RTS_BW(pdesc, 0);
 747                 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
 748                 SET_TX_DESC_RTS_SHORT(pdesc,
 749                         ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
 750                         (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
 751                         (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 752
 753                 if (ptcb_desc->tx_enable_sw_calc_duration)
 754                         SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
 755
 756                 if (bw_40) {
 757                         if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 758                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 759                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 760                         } else {
 761                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 762                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
 763                                                            mac->cur_40_prime_sc);
 764                         }
 765                 } else {
 766                         SET_TX_DESC_DATA_BW(pdesc, 0);
 767                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 768                 }
 769
 770                 SET_TX_DESC_LINIP(pdesc, 0);
 771                 SET_TX_DESC_PKT_SIZE(pdesc, (u16)skb_len);
 772                 if (sta) {
 773                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 774                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 775                 }
 776                 if (info->control.hw_key) {
 777                         struct ieee80211_key_conf *keyconf;
 778
 779                         keyconf = info->control.hw_key;
 780                         switch (keyconf->cipher) {
 781                         case WLAN_CIPHER_SUITE_WEP40:
 782                         case WLAN_CIPHER_SUITE_WEP104:
 783                         case WLAN_CIPHER_SUITE_TKIP:
 784                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 785                                 break;
 786                         case WLAN_CIPHER_SUITE_CCMP:
 787                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 788                                 break;
 789                         default:
 790                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 791                                 break;
 792
 793                         }
 794                 }
 795
 796                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 797                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 798                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 799                 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
 800                                        1 : 0);
 801                 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 802
 803                 /*SET_TX_DESC_PWR_STATUS(pdesc, pwr_status);*/
 804                 /* Set TxRate and RTSRate in TxDesc  */
 805                 /* This prevent Tx initial rate of new-coming packets */
 806                 /* from being overwritten by retried  packet rate.*/
 807                 if (!ptcb_desc->use_driver_rate) {
 808                         /*SET_TX_DESC_RTS_RATE(pdesc, 0x08); */
 809                         /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
 810                 }
 811                 if (ieee80211_is_data_qos(fc)) {
 812                         if (mac->rdg_en) {
 813                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 814                                         "Enable RDG function.\n");
 815                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 816                                 SET_TX_DESC_HTC(pdesc, 1);
 817                         }
 818                 }
 819         }
 820
 821         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 822         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 823         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)buf_len);
 824         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 825         if (rtlpriv->dm.useramask) {
 826                 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
 827                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 828         } else {
 829                 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
 830                 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
 831         }
 832         if (ieee80211_is_data_qos(fc))
 833                 SET_TX_DESC_QOS(pdesc, 1);
 834
 835         if (!ieee80211_is_data_qos(fc))
 836                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 837         SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 838         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 839             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 840                 SET_TX_DESC_BMC(pdesc, 1);
 841         }
 842
 843         rtl88e_dm_set_tx_ant_by_tx_info(hw, pdesc, ptcb_desc->mac_id);
 844         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 845 }
 846
 847 void rtl88ee_tx_fill_cmddesc(struct ieee80211_hw *hw,
 848                              u8 *pdesc, bool firstseg,
 849                              bool lastseg, struct sk_buff *skb)
 850 {
 851         struct rtl_priv *rtlpriv = rtl_priv(hw);
 852         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 853         u8 fw_queue = QSLT_BEACON;
 854
 855         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 856                                             skb->data, skb->len,
 857                                             PCI_DMA_TODEVICE);
 858
 859         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
 860         __le16 fc = hdr->frame_control;
 861
 862         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 863                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 864                          "DMA mapping error");
 865                 return;
 866         }
 867         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 868
 869         if (firstseg)
 870                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 871
 872         SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
 873
 874         SET_TX_DESC_SEQ(pdesc, 0);
 875
 876         SET_TX_DESC_LINIP(pdesc, 0);
 877
 878         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 879
 880         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 881         SET_TX_DESC_LAST_SEG(pdesc, 1);
 882
 883         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
 884
 885         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 886
 887         SET_TX_DESC_RATE_ID(pdesc, 7);
 888         SET_TX_DESC_MACID(pdesc, 0);
 889
 890         SET_TX_DESC_OWN(pdesc, 1);
 891
 892         SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
 893
 894         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 895         SET_TX_DESC_LAST_SEG(pdesc, 1);
 896
 897         SET_TX_DESC_OFFSET(pdesc, 0x20);
 898
 899         SET_TX_DESC_USE_RATE(pdesc, 1);
 900
 901         if (!ieee80211_is_data_qos(fc))
 902                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 903
 904         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 905                       "H2C Tx Cmd Content\n",
 906                       pdesc, TX_DESC_SIZE);
 907 }
 908
 909 void rtl88ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc,
 910                       bool istx, u8 desc_name, u8 *val)
 911 {
 912         if (istx == true) {
 913                 switch (desc_name) {
 914                 case HW_DESC_OWN:
 915                         SET_TX_DESC_OWN(pdesc, 1);
 916                         break;
 917                 case HW_DESC_TX_NEXTDESC_ADDR:
 918                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *)val);
 919                         break;
 920                 default:
 921                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
 922                                   desc_name);
 923                         break;
 924                 }
 925         } else {
 926                 switch (desc_name) {
 927                 case HW_DESC_RXOWN:
 928                         SET_RX_DESC_OWN(pdesc, 1);
 929                         break;
 930                 case HW_DESC_RXBUFF_ADDR:
 931                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *)val);
 932                         break;
 933                 case HW_DESC_RXPKT_LEN:
 934                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *)val);
 935                         break;
 936                 case HW_DESC_RXERO:
 937                         SET_RX_DESC_EOR(pdesc, 1);
 938                         break;
 939                 default:
 940                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 941                                   desc_name);
 942                         break;
 943                 }
 944         }
 945 }
 946
 947 u32 rtl88ee_get_desc(u8 *pdesc, bool istx, u8 desc_name)
 948 {
 949         u32 ret = 0;
 950
 951         if (istx == true) {
 952                 switch (desc_name) {
 953                 case HW_DESC_OWN:
 954                         ret = GET_TX_DESC_OWN(pdesc);
 955                         break;
 956                 case HW_DESC_TXBUFF_ADDR:
 957                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
 958                         break;
 959                 default:
 960                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
 961                                   desc_name);
 962                         break;
 963                 }
 964         } else {
 965                 switch (desc_name) {
 966                 case HW_DESC_OWN:
 967                         ret = GET_RX_DESC_OWN(pdesc);
 968                         break;
 969                 case HW_DESC_RXPKT_LEN:
 970                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 971                         break;
 972                 case HW_DESC_RXBUFF_ADDR:
 973                         ret = GET_RX_DESC_BUFF_ADDR(pdesc);
 974                         break;
 975                 default:
 976                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 977                                   desc_name);
 978                         break;
 979                 }
 980         }
 981         return ret;
 982 }
 983
 984 bool rtl88ee_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, u16 index)
 985 {
 986         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 987         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 988         u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 989         u8 own = (u8)rtl88ee_get_desc(entry, true, HW_DESC_OWN);
 990
 991         /*beacon packet will only use the first
 992          *descriptor defautly,and the own may not
 993          *be cleared by the hardware
 994          */
 995         if (own)
 996                 return false;
 997         return true;
 998 }
 999
1000 void rtl88ee_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
1001 {
1002         struct rtl_priv *rtlpriv = rtl_priv(hw);
1003         if (hw_queue == BEACON_QUEUE) {
1004                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
1005         } else {
1006                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
1007                                BIT(0) << (hw_queue));
1008         }
1009 }
1010
1011 u32 rtl88ee_rx_command_packet(struct ieee80211_hw *hw,
1012                               struct rtl_stats status,
1013                               struct sk_buff *skb)
1014 {
1015         return 0;
1016 }