drivers/net/wireless/rtlwifi/rtl8192ce/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 "reg.h"
  34 #include "def.h"
  35 #include "phy.h"
  36 #include "trx.h"
  37 #include "led.h"
  38
  39 static u8 _rtl92ce_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
  40 {
  41         __le16 fc = rtl_get_fc(skb);
  42
  43         if (unlikely(ieee80211_is_beacon(fc)))
  44                 return QSLT_BEACON;
  45         if (ieee80211_is_mgmt(fc))
  46                 return QSLT_MGNT;
  47
  48         return skb->priority;
  49 }
  50
  51 static u8 _rtl92c_query_rxpwrpercentage(char antpower)
  52 {
  53         if ((antpower <= -100) || (antpower >= 20))
  54                 return 0;
  55         else if (antpower >= 0)
  56                 return 100;
  57         else
  58                 return 100 + antpower;
  59 }
  60
  61 static u8 _rtl92c_evm_db_to_percentage(char value)
  62 {
  63         char ret_val;
  64         ret_val = value;
  65
  66         if (ret_val >= 0)
  67                 ret_val = 0;
  68
  69         if (ret_val <= -33)
  70                 ret_val = -33;
  71
  72         ret_val = 0 - ret_val;
  73         ret_val *= 3;
  74
  75         if (ret_val == 99)
  76                 ret_val = 100;
  77
  78         return ret_val;
  79 }
  80
  81 static long _rtl92ce_translate_todbm(struct ieee80211_hw *hw,
  82                                      u8 signal_strength_index)
  83 {
  84         long signal_power;
  85
  86         signal_power = (long)((signal_strength_index + 1) >> 1);
  87         signal_power -= 95;
  88         return signal_power;
  89 }
  90
  91 static long _rtl92ce_signal_scale_mapping(struct ieee80211_hw *hw,
  92                 long currsig)
  93 {
  94         long retsig;
  95
  96         if (currsig >= 61 && currsig <= 100)
  97                 retsig = 90 + ((currsig - 60) / 4);
  98         else if (currsig >= 41 && currsig <= 60)
  99                 retsig = 78 + ((currsig - 40) / 2);
 100         else if (currsig >= 31 && currsig <= 40)
 101                 retsig = 66 + (currsig - 30);
 102         else if (currsig >= 21 && currsig <= 30)
 103                 retsig = 54 + (currsig - 20);
 104         else if (currsig >= 5 && currsig <= 20)
 105                 retsig = 42 + (((currsig - 5) * 2) / 3);
 106         else if (currsig == 4)
 107                 retsig = 36;
 108         else if (currsig == 3)
 109                 retsig = 27;
 110         else if (currsig == 2)
 111                 retsig = 18;
 112         else if (currsig == 1)
 113                 retsig = 9;
 114         else
 115                 retsig = currsig;
 116
 117         return retsig;
 118 }
 119
 120 static void _rtl92ce_query_rxphystatus(struct ieee80211_hw *hw,
 121                                        struct rtl_stats *pstats,
 122                                        struct rx_desc_92c *pdesc,
 123                                        struct rx_fwinfo_92c *p_drvinfo,
 124                                        bool packet_match_bssid,
 125                                        bool packet_toself,
 126                                        bool packet_beacon)
 127 {
 128         struct rtl_priv *rtlpriv = rtl_priv(hw);
 129         struct phy_sts_cck_8192s_t *cck_buf;
 130         s8 rx_pwr_all = 0, rx_pwr[4];
 131         u8 evm, pwdb_all, rf_rx_num = 0;
 132         u8 i, max_spatial_stream;
 133         u32 rssi, total_rssi = 0;
 134         bool in_powersavemode = false;
 135         bool is_cck_rate;
 136
 137         is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc);
 138         pstats->packet_matchbssid = packet_match_bssid;
 139         pstats->packet_toself = packet_toself;
 140         pstats->is_cck = is_cck_rate;
 141         pstats->packet_beacon = packet_beacon;
 142         pstats->is_cck = is_cck_rate;
 143         pstats->rx_mimo_signalquality[0] = -1;
 144         pstats->rx_mimo_signalquality[1] = -1;
 145
 146         if (is_cck_rate) {
 147                 u8 report, cck_highpwr;
 148                 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
 149
 150                 if (!in_powersavemode)
 151                         cck_highpwr = (u8) rtl_get_bbreg(hw,
 152                                                  RFPGA0_XA_HSSIPARAMETER2,
 153                                                  BIT(9));
 154                 else
 155                         cck_highpwr = false;
 156
 157                 if (!cck_highpwr) {
 158                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 159                         report = cck_buf->cck_agc_rpt & 0xc0;
 160                         report = report >> 6;
 161                         switch (report) {
 162                         case 0x3:
 163                                 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
 164                                 break;
 165                         case 0x2:
 166                                 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
 167                                 break;
 168                         case 0x1:
 169                                 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
 170                                 break;
 171                         case 0x0:
 172                                 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
 173                                 break;
 174                         }
 175                 } else {
 176                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 177                         report = p_drvinfo->cfosho[0] & 0x60;
 178                         report = report >> 5;
 179                         switch (report) {
 180                         case 0x3:
 181                                 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
 182                                 break;
 183                         case 0x2:
 184                                 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
 185                                 break;
 186                         case 0x1:
 187                                 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
 188                                 break;
 189                         case 0x0:
 190                                 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
 191                                 break;
 192                         }
 193                 }
 194
 195                 pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
 196                 pstats->rx_pwdb_all = pwdb_all;
 197                 pstats->recvsignalpower = rx_pwr_all;
 198
 199                 if (packet_match_bssid) {
 200                         u8 sq;
 201                         if (pstats->rx_pwdb_all > 40)
 202                                 sq = 100;
 203                         else {
 204                                 sq = cck_buf->sq_rpt;
 205                                 if (sq > 64)
 206                                         sq = 0;
 207                                 else if (sq < 20)
 208                                         sq = 100;
 209                                 else
 210                                         sq = ((64 - sq) * 100) / 44;
 211                         }
 212
 213                         pstats->signalquality = sq;
 214                         pstats->rx_mimo_signalquality[0] = sq;
 215                         pstats->rx_mimo_signalquality[1] = -1;
 216                 }
 217         } else {
 218                 rtlpriv->dm.rfpath_rxenable[0] =
 219                     rtlpriv->dm.rfpath_rxenable[1] = true;
 220                 for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {
 221                         if (rtlpriv->dm.rfpath_rxenable[i])
 222                                 rf_rx_num++;
 223
 224                         rx_pwr[i] =
 225                             ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110;
 226                         rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]);
 227                         total_rssi += rssi;
 228                         rtlpriv->stats.rx_snr_db[i] =
 229                             (long)(p_drvinfo->rxsnr[i] / 2);
 230
 231                         if (packet_match_bssid)
 232                                 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
 233                 }
 234
 235                 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 236                 pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
 237                 pstats->rx_pwdb_all = pwdb_all;
 238                 pstats->rxpower = rx_pwr_all;
 239                 pstats->recvsignalpower = rx_pwr_all;
 240
 241                 if (pdesc->rxht && pdesc->rxmcs >= DESC92_RATEMCS8 &&
 242                     pdesc->rxmcs <= DESC92_RATEMCS15)
 243                         max_spatial_stream = 2;
 244                 else
 245                         max_spatial_stream = 1;
 246
 247                 for (i = 0; i < max_spatial_stream; i++) {
 248                         evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 249
 250                         if (packet_match_bssid) {
 251                                 if (i == 0)
 252                                         pstats->signalquality =
 253                                             (u8) (evm & 0xff);
 254                                 pstats->rx_mimo_signalquality[i] =
 255                                     (u8) (evm & 0xff);
 256                         }
 257                 }
 258         }
 259
 260         if (is_cck_rate)
 261                 pstats->signalstrength =
 262                     (u8) (_rtl92ce_signal_scale_mapping(hw, pwdb_all));
 263         else if (rf_rx_num != 0)
 264                 pstats->signalstrength =
 265                     (u8) (_rtl92ce_signal_scale_mapping
 266                           (hw, total_rssi /= rf_rx_num));
 267 }
 268
 269 static void _rtl92ce_process_ui_rssi(struct ieee80211_hw *hw,
 270                 struct rtl_stats *pstats)
 271 {
 272         struct rtl_priv *rtlpriv = rtl_priv(hw);
 273         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 274         u8 rfpath;
 275         u32 last_rssi, tmpval;
 276
 277         if (pstats->packet_toself || pstats->packet_beacon) {
 278                 rtlpriv->stats.rssi_calculate_cnt++;
 279
 280                 if (rtlpriv->stats.ui_rssi.total_num++ >=
 281                     PHY_RSSI_SLID_WIN_MAX) {
 282
 283                         rtlpriv->stats.ui_rssi.total_num =
 284                             PHY_RSSI_SLID_WIN_MAX;
 285                         last_rssi =
 286                             rtlpriv->stats.ui_rssi.elements[rtlpriv->
 287                                                     stats.ui_rssi.index];
 288                         rtlpriv->stats.ui_rssi.total_val -= last_rssi;
 289                 }
 290
 291                 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
 292                 rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi.
 293                                                 index++] =
 294                     pstats->signalstrength;
 295
 296                 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
 297                         rtlpriv->stats.ui_rssi.index = 0;
 298
 299                 tmpval = rtlpriv->stats.ui_rssi.total_val /
 300                     rtlpriv->stats.ui_rssi.total_num;
 301                 rtlpriv->stats.signal_strength =
 302                     _rtl92ce_translate_todbm(hw, (u8) tmpval);
 303                 pstats->rssi = rtlpriv->stats.signal_strength;
 304         }
 305
 306         if (!pstats->is_cck && pstats->packet_toself) {
 307                 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
 308                      rfpath++) {
 309                         if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
 310                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 311                                     pstats->rx_mimo_signalstrength[rfpath];
 312
 313                         }
 314
 315                         if (pstats->rx_mimo_signalstrength[rfpath] >
 316                             rtlpriv->stats.rx_rssi_percentage[rfpath]) {
 317                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 318                                     ((rtlpriv->stats.
 319                                       rx_rssi_percentage[rfpath] *
 320                                       (RX_SMOOTH_FACTOR - 1)) +
 321                                      (pstats->rx_mimo_signalstrength[rfpath])) /
 322                                     (RX_SMOOTH_FACTOR);
 323
 324                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 325                                     rtlpriv->stats.rx_rssi_percentage[rfpath] +
 326                                     1;
 327                         } else {
 328                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 329                                     ((rtlpriv->stats.
 330                                       rx_rssi_percentage[rfpath] *
 331                                       (RX_SMOOTH_FACTOR - 1)) +
 332                                      (pstats->rx_mimo_signalstrength[rfpath])) /
 333                                     (RX_SMOOTH_FACTOR);
 334                         }
 335
 336                 }
 337         }
 338 }
 339
 340 static void _rtl92ce_update_rxsignalstatistics(struct ieee80211_hw *hw,
 341                                                struct rtl_stats *pstats)
 342 {
 343         struct rtl_priv *rtlpriv = rtl_priv(hw);
 344         int weighting = 0;
 345
 346         if (rtlpriv->stats.recv_signal_power == 0)
 347                 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
 348
 349         if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
 350                 weighting = 5;
 351
 352         else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
 353                 weighting = (-5);
 354
 355         rtlpriv->stats.recv_signal_power =
 356             (rtlpriv->stats.recv_signal_power * 5 +
 357              pstats->recvsignalpower + weighting) / 6;
 358 }
 359
 360 static void _rtl92ce_process_pwdb(struct ieee80211_hw *hw,
 361                 struct rtl_stats *pstats)
 362 {
 363         struct rtl_priv *rtlpriv = rtl_priv(hw);
 364         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 365         long undecorated_smoothed_pwdb;
 366
 367         if (mac->opmode == NL80211_IFTYPE_ADHOC) {
 368                 return;
 369         } else {
 370                 undecorated_smoothed_pwdb =
 371                     rtlpriv->dm.undecorated_smoothed_pwdb;
 372         }
 373
 374         if (pstats->packet_toself || pstats->packet_beacon) {
 375                 if (undecorated_smoothed_pwdb < 0)
 376                         undecorated_smoothed_pwdb = pstats->rx_pwdb_all;
 377
 378                 if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) {
 379                         undecorated_smoothed_pwdb =
 380                             (((undecorated_smoothed_pwdb) *
 381                               (RX_SMOOTH_FACTOR - 1)) +
 382                              (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
 383
 384                         undecorated_smoothed_pwdb = undecorated_smoothed_pwdb
 385                             + 1;
 386                 } else {
 387                         undecorated_smoothed_pwdb =
 388                             (((undecorated_smoothed_pwdb) *
 389                               (RX_SMOOTH_FACTOR - 1)) +
 390                              (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
 391                 }
 392
 393                 rtlpriv->dm.undecorated_smoothed_pwdb =
 394                     undecorated_smoothed_pwdb;
 395                 _rtl92ce_update_rxsignalstatistics(hw, pstats);
 396         }
 397 }
 398
 399 static void _rtl92ce_process_ui_link_quality(struct ieee80211_hw *hw,
 400                                              struct rtl_stats *pstats)
 401 {
 402         struct rtl_priv *rtlpriv = rtl_priv(hw);
 403         u32 last_evm, n_spatialstream, tmpval;
 404
 405         if (pstats->signalquality != 0) {
 406                 if (pstats->packet_toself || pstats->packet_beacon) {
 407
 408                         if (rtlpriv->stats.ui_link_quality.total_num++ >=
 409                             PHY_LINKQUALITY_SLID_WIN_MAX) {
 410                                 rtlpriv->stats.ui_link_quality.total_num =
 411                                     PHY_LINKQUALITY_SLID_WIN_MAX;
 412                                 last_evm =
 413                                     rtlpriv->stats.
 414                                     ui_link_quality.elements[rtlpriv->
 415                                                           stats.ui_link_quality.
 416                                                           index];
 417                                 rtlpriv->stats.ui_link_quality.total_val -=
 418                                     last_evm;
 419                         }
 420
 421                         rtlpriv->stats.ui_link_quality.total_val +=
 422                             pstats->signalquality;
 423                         rtlpriv->stats.ui_link_quality.elements[rtlpriv->stats.
 424                                                                 ui_link_quality.
 425                                                                 index++] =
 426                             pstats->signalquality;
 427
 428                         if (rtlpriv->stats.ui_link_quality.index >=
 429                             PHY_LINKQUALITY_SLID_WIN_MAX)
 430                                 rtlpriv->stats.ui_link_quality.index = 0;
 431
 432                         tmpval = rtlpriv->stats.ui_link_quality.total_val /
 433                             rtlpriv->stats.ui_link_quality.total_num;
 434                         rtlpriv->stats.signal_quality = tmpval;
 435
 436                         rtlpriv->stats.last_sigstrength_inpercent = tmpval;
 437
 438                         for (n_spatialstream = 0; n_spatialstream < 2;
 439                              n_spatialstream++) {
 440                                 if (pstats->
 441                                     rx_mimo_signalquality[n_spatialstream] !=
 442                                     -1) {
 443                                         if (rtlpriv->stats.
 444                                             rx_evm_percentage[n_spatialstream]
 445                                             == 0) {
 446                                                 rtlpriv->stats.
 447                                                    rx_evm_percentage
 448                                                    [n_spatialstream] =
 449                                                    pstats->rx_mimo_signalquality
 450                                                    [n_spatialstream];
 451                                         }
 452
 453                                         rtlpriv->stats.
 454                                             rx_evm_percentage[n_spatialstream] =
 455                                             ((rtlpriv->
 456                                               stats.rx_evm_percentage
 457                                               [n_spatialstream] *
 458                                               (RX_SMOOTH_FACTOR - 1)) +
 459                                              (pstats->
 460                                               rx_mimo_signalquality
 461                                               [n_spatialstream] * 1)) /
 462                                             (RX_SMOOTH_FACTOR);
 463                                 }
 464                         }
 465                 }
 466         } else {
 467                 ;
 468         }
 469 }
 470
 471 static void _rtl92ce_process_phyinfo(struct ieee80211_hw *hw,
 472                                      u8 *buffer,
 473                                      struct rtl_stats *pcurrent_stats)
 474 {
 475
 476         if (!pcurrent_stats->packet_matchbssid &&
 477             !pcurrent_stats->packet_beacon)
 478                 return;
 479
 480         _rtl92ce_process_ui_rssi(hw, pcurrent_stats);
 481         _rtl92ce_process_pwdb(hw, pcurrent_stats);
 482         _rtl92ce_process_ui_link_quality(hw, pcurrent_stats);
 483 }
 484
 485 static void _rtl92ce_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 486                                                struct sk_buff *skb,
 487                                                struct rtl_stats *pstats,
 488                                                struct rx_desc_92c *pdesc,
 489                                                struct rx_fwinfo_92c *p_drvinfo)
 490 {
 491         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 492         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 493
 494         struct ieee80211_hdr *hdr;
 495         u8 *tmp_buf;
 496         u8 *praddr;
 497         __le16 fc;
 498         u16 type, c_fc;
 499         bool packet_matchbssid, packet_toself, packet_beacon;
 500
 501         tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
 502
 503         hdr = (struct ieee80211_hdr *)tmp_buf;
 504         fc = hdr->frame_control;
 505         c_fc = le16_to_cpu(fc);
 506         type = WLAN_FC_GET_TYPE(fc);
 507         praddr = hdr->addr1;
 508
 509         packet_matchbssid =
 510             ((IEEE80211_FTYPE_CTL != type) &&
 511              (!compare_ether_addr(mac->bssid,
 512                                   (c_fc & IEEE80211_FCTL_TODS) ?
 513                                   hdr->addr1 : (c_fc & IEEE80211_FCTL_FROMDS) ?
 514                                   hdr->addr2 : hdr->addr3)) &&
 515              (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
 516
 517         packet_toself = packet_matchbssid &&
 518             (!compare_ether_addr(praddr, rtlefuse->dev_addr));
 519
 520         if (ieee80211_is_beacon(fc))
 521                 packet_beacon = true;
 522
 523         _rtl92ce_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
 524                                    packet_matchbssid, packet_toself,
 525                                    packet_beacon);
 526
 527         _rtl92ce_process_phyinfo(hw, tmp_buf, pstats);
 528 }
 529
 530 bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,
 531                            struct rtl_stats *stats,
 532                            struct ieee80211_rx_status *rx_status,
 533                            u8 *p_desc, struct sk_buff *skb)
 534 {
 535         struct rx_fwinfo_92c *p_drvinfo;
 536         struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
 537
 538         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 539         stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
 540         stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 541             RX_DRV_INFO_SIZE_UNIT;
 542         stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
 543         stats->icv = (u16) GET_RX_DESC_ICV(pdesc);
 544         stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
 545         stats->hwerror = (stats->crc | stats->icv);
 546         stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 547         stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
 548         stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
 549         stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 550         stats->isampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
 551                                    && (GET_RX_DESC_FAGGR(pdesc) == 1));
 552         stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 553         stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
 554
 555         rx_status->freq = hw->conf.channel->center_freq;
 556         rx_status->band = hw->conf.channel->band;
 557
 558         if (GET_RX_DESC_CRC32(pdesc))
 559                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 560
 561         if (!GET_RX_DESC_SWDEC(pdesc))
 562                 rx_status->flag |= RX_FLAG_DECRYPTED;
 563
 564         if (GET_RX_DESC_BW(pdesc))
 565                 rx_status->flag |= RX_FLAG_40MHZ;
 566
 567         if (GET_RX_DESC_RXHT(pdesc))
 568                 rx_status->flag |= RX_FLAG_HT;
 569
 570         rx_status->flag |= RX_FLAG_MACTIME_MPDU;
 571
 572         if (stats->decrypted)
 573                 rx_status->flag |= RX_FLAG_DECRYPTED;
 574
 575         rx_status->rate_idx = rtlwifi_rate_mapping(hw,
 576                                 (bool)GET_RX_DESC_RXHT(pdesc),
 577                                 (u8)GET_RX_DESC_RXMCS(pdesc),
 578                                 (bool)GET_RX_DESC_PAGGR(pdesc));
 579
 580         rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
 581         if (phystatus) {
 582                 p_drvinfo = (struct rx_fwinfo_92c *)(skb->data +
 583                                                      stats->rx_bufshift);
 584
 585                 _rtl92ce_translate_rx_signal_stuff(hw,
 586                                                    skb, stats, pdesc,
 587                                                    p_drvinfo);
 588         }
 589
 590         /*rx_status->qual = stats->signal; */
 591         rx_status->signal = stats->rssi + 10;
 592         /*rx_status->noise = -stats->noise; */
 593
 594         return true;
 595 }
 596
 597 void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
 598                           struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 599                           struct ieee80211_tx_info *info, struct sk_buff *skb,
 600                           u8 hw_queue, struct rtl_tcb_desc *tcb_desc)
 601 {
 602         struct rtl_priv *rtlpriv = rtl_priv(hw);
 603         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 604         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 605         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 606         bool defaultadapter = true;
 607         struct ieee80211_sta *sta;
 608         u8 *pdesc = (u8 *) pdesc_tx;
 609         u16 seq_number;
 610         __le16 fc = hdr->frame_control;
 611         u8 fw_qsel = _rtl92ce_map_hwqueue_to_fwqueue(skb, hw_queue);
 612         bool firstseg = ((hdr->seq_ctrl &
 613                           cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 614
 615         bool lastseg = ((hdr->frame_control &
 616                          cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 617
 618         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 619                                             skb->data, skb->len,
 620                                             PCI_DMA_TODEVICE);
 621         u8 bw_40 = 0;
 622
 623         rcu_read_lock();
 624         sta = get_sta(hw, mac->vif, mac->bssid);
 625         if (mac->opmode == NL80211_IFTYPE_STATION) {
 626                 bw_40 = mac->bw_40;
 627         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 628                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 629                 if (sta)
 630                         bw_40 = sta->ht_cap.cap &
 631                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 632         }
 633
 634         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 635
 636         rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc);
 637
 638         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92c));
 639
 640         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 641                 firstseg = true;
 642                 lastseg = true;
 643         }
 644         if (firstseg) {
 645                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 646
 647                 SET_TX_DESC_TX_RATE(pdesc, tcb_desc->hw_rate);
 648
 649                 if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble)
 650                         SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
 651
 652                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 653                         SET_TX_DESC_AGG_BREAK(pdesc, 1);
 654                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 655                 }
 656                 SET_TX_DESC_SEQ(pdesc, seq_number);
 657
 658                 SET_TX_DESC_RTS_ENABLE(pdesc, ((tcb_desc->rts_enable &&
 659                                                 !tcb_desc->
 660                                                 cts_enable) ? 1 : 0));
 661                 SET_TX_DESC_HW_RTS_ENABLE(pdesc,
 662                                           ((tcb_desc->rts_enable
 663                                             || tcb_desc->cts_enable) ? 1 : 0));
 664                 SET_TX_DESC_CTS2SELF(pdesc, ((tcb_desc->cts_enable) ? 1 : 0));
 665                 SET_TX_DESC_RTS_STBC(pdesc, ((tcb_desc->rts_stbc) ? 1 : 0));
 666
 667                 SET_TX_DESC_RTS_RATE(pdesc, tcb_desc->rts_rate);
 668                 SET_TX_DESC_RTS_BW(pdesc, 0);
 669                 SET_TX_DESC_RTS_SC(pdesc, tcb_desc->rts_sc);
 670                 SET_TX_DESC_RTS_SHORT(pdesc,
 671                                       ((tcb_desc->rts_rate <= DESC92_RATE54M) ?
 672                                        (tcb_desc->rts_use_shortpreamble ? 1 : 0)
 673                                        : (tcb_desc->rts_use_shortgi ? 1 : 0)));
 674
 675                 if (bw_40) {
 676                         if (tcb_desc->packet_bw) {
 677                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 678                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 679                         } else {
 680                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 681                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
 682                                                  mac->cur_40_prime_sc);
 683                         }
 684                 } else {
 685                         SET_TX_DESC_DATA_BW(pdesc, 0);
 686                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 687                 }
 688
 689                 SET_TX_DESC_LINIP(pdesc, 0);
 690                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
 691
 692                 if (sta) {
 693                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 694                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 695                 }
 696
 697                 if (info->control.hw_key) {
 698                         struct ieee80211_key_conf *keyconf =
 699                             info->control.hw_key;
 700
 701                         switch (keyconf->cipher) {
 702                         case WLAN_CIPHER_SUITE_WEP40:
 703                         case WLAN_CIPHER_SUITE_WEP104:
 704                         case WLAN_CIPHER_SUITE_TKIP:
 705                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 706                                 break;
 707                         case WLAN_CIPHER_SUITE_CCMP:
 708                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 709                                 break;
 710                         default:
 711                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 712                                 break;
 713
 714                         }
 715                 }
 716
 717                 SET_TX_DESC_PKT_ID(pdesc, 0);
 718                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 719
 720                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 721                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 722                 SET_TX_DESC_DISABLE_FB(pdesc, 0);
 723                 SET_TX_DESC_USE_RATE(pdesc, tcb_desc->use_driver_rate ? 1 : 0);
 724
 725                 if (ieee80211_is_data_qos(fc)) {
 726                         if (mac->rdg_en) {
 727                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 728                                          ("Enable RDG function.\n"));
 729                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 730                                 SET_TX_DESC_HTC(pdesc, 1);
 731                         }
 732                 }
 733         }
 734         rcu_read_unlock();
 735
 736         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 737         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 738
 739         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
 740
 741         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 742
 743         if (rtlpriv->dm.useramask) {
 744                 SET_TX_DESC_RATE_ID(pdesc, tcb_desc->ratr_index);
 745                 SET_TX_DESC_MACID(pdesc, tcb_desc->mac_id);
 746         } else {
 747                 SET_TX_DESC_RATE_ID(pdesc, 0xC + tcb_desc->ratr_index);
 748                 SET_TX_DESC_MACID(pdesc, tcb_desc->ratr_index);
 749         }
 750
 751         if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
 752                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 753                 SET_TX_DESC_PKT_ID(pdesc, 8);
 754
 755                 if (!defaultadapter)
 756                         SET_TX_DESC_QOS(pdesc, 1);
 757         }
 758
 759         SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 760
 761         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 762             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 763                 SET_TX_DESC_BMC(pdesc, 1);
 764         }
 765
 766         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, ("\n"));
 767 }
 768
 769 void rtl92ce_tx_fill_cmddesc(struct ieee80211_hw *hw,
 770                              u8 *pdesc, bool firstseg,
 771                              bool lastseg, struct sk_buff *skb)
 772 {
 773         struct rtl_priv *rtlpriv = rtl_priv(hw);
 774         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 775         u8 fw_queue = QSLT_BEACON;
 776
 777         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 778                                             skb->data, skb->len,
 779                                             PCI_DMA_TODEVICE);
 780
 781         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
 782         __le16 fc = hdr->frame_control;
 783
 784         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 785
 786         if (firstseg)
 787                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 788
 789         SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M);
 790
 791         SET_TX_DESC_SEQ(pdesc, 0);
 792
 793         SET_TX_DESC_LINIP(pdesc, 0);
 794
 795         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 796
 797         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 798         SET_TX_DESC_LAST_SEG(pdesc, 1);
 799
 800         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
 801
 802         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 803
 804         SET_TX_DESC_RATE_ID(pdesc, 7);
 805         SET_TX_DESC_MACID(pdesc, 0);
 806
 807         SET_TX_DESC_OWN(pdesc, 1);
 808
 809         SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len));
 810
 811         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 812         SET_TX_DESC_LAST_SEG(pdesc, 1);
 813
 814         SET_TX_DESC_OFFSET(pdesc, 0x20);
 815
 816         SET_TX_DESC_USE_RATE(pdesc, 1);
 817
 818         if (!ieee80211_is_data_qos(fc)) {
 819                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 820                 SET_TX_DESC_PKT_ID(pdesc, 8);
 821         }
 822
 823         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 824                       "H2C Tx Cmd Content\n",
 825                       pdesc, TX_DESC_SIZE);
 826 }
 827
 828 void rtl92ce_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
 829 {
 830         if (istx) {
 831                 switch (desc_name) {
 832                 case HW_DESC_OWN:
 833                         wmb();
 834                         SET_TX_DESC_OWN(pdesc, 1);
 835                         break;
 836                 case HW_DESC_TX_NEXTDESC_ADDR:
 837                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
 838                         break;
 839                 default:
 840                         RT_ASSERT(false, ("ERR txdesc :%d"
 841                                           " not process\n", desc_name));
 842                         break;
 843                 }
 844         } else {
 845                 switch (desc_name) {
 846                 case HW_DESC_RXOWN:
 847                         wmb();
 848                         SET_RX_DESC_OWN(pdesc, 1);
 849                         break;
 850                 case HW_DESC_RXBUFF_ADDR:
 851                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
 852                         break;
 853                 case HW_DESC_RXPKT_LEN:
 854                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
 855                         break;
 856                 case HW_DESC_RXERO:
 857                         SET_RX_DESC_EOR(pdesc, 1);
 858                         break;
 859                 default:
 860                         RT_ASSERT(false, ("ERR rxdesc :%d "
 861                                           "not process\n", desc_name));
 862                         break;
 863                 }
 864         }
 865 }
 866
 867 u32 rtl92ce_get_desc(u8 *p_desc, bool istx, u8 desc_name)
 868 {
 869         u32 ret = 0;
 870
 871         if (istx) {
 872                 switch (desc_name) {
 873                 case HW_DESC_OWN:
 874                         ret = GET_TX_DESC_OWN(p_desc);
 875                         break;
 876                 case HW_DESC_TXBUFF_ADDR:
 877                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc);
 878                         break;
 879                 default:
 880                         RT_ASSERT(false, ("ERR txdesc :%d "
 881                                           "not process\n", desc_name));
 882                         break;
 883                 }
 884         } else {
 885                 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
 886                 switch (desc_name) {
 887                 case HW_DESC_OWN:
 888                         ret = GET_RX_DESC_OWN(pdesc);
 889                         break;
 890                 case HW_DESC_RXPKT_LEN:
 891                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 892                         break;
 893                 default:
 894                         RT_ASSERT(false, ("ERR rxdesc :%d "
 895                                           "not process\n", desc_name));
 896                         break;
 897                 }
 898         }
 899         return ret;
 900 }
 901
 902 void rtl92ce_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 903 {
 904         struct rtl_priv *rtlpriv = rtl_priv(hw);
 905         if (hw_queue == BEACON_QUEUE) {
 906                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 907         } else {
 908                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 909                                BIT(0) << (hw_queue));
 910         }
 911 }
 912