drivers/net/wireless/rtlwifi/rtl8192ce/trx.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2012  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         struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
 131         s8 rx_pwr_all = 0, rx_pwr[4];
 132         u8 evm, pwdb_all, rf_rx_num = 0;
 133         u8 i, max_spatial_stream;
 134         u32 rssi, total_rssi = 0;
 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_sig_qual[0] = -1;
 144         pstats->rx_mimo_sig_qual[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 (ppsc->rfpwr_state == ERFON)
 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_sig_qual[0] = sq;
 215                         pstats->rx_mimo_sig_qual[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_sig_qual[i] = (u8) (evm & 0xff);
 255                         }
 256                 }
 257         }
 258
 259         if (is_cck_rate)
 260                 pstats->signalstrength =
 261                     (u8) (_rtl92ce_signal_scale_mapping(hw, pwdb_all));
 262         else if (rf_rx_num != 0)
 263                 pstats->signalstrength =
 264                     (u8) (_rtl92ce_signal_scale_mapping
 265                           (hw, total_rssi /= rf_rx_num));
 266 }
 267
 268 static void _rtl92ce_process_ui_rssi(struct ieee80211_hw *hw,
 269                 struct rtl_stats *pstats)
 270 {
 271         struct rtl_priv *rtlpriv = rtl_priv(hw);
 272         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 273         u8 rfpath;
 274         u32 last_rssi, tmpval;
 275
 276         if (pstats->packet_toself || pstats->packet_beacon) {
 277                 rtlpriv->stats.rssi_calculate_cnt++;
 278
 279                 if (rtlpriv->stats.ui_rssi.total_num++ >=
 280                     PHY_RSSI_SLID_WIN_MAX) {
 281
 282                         rtlpriv->stats.ui_rssi.total_num =
 283                             PHY_RSSI_SLID_WIN_MAX;
 284                         last_rssi =
 285                             rtlpriv->stats.ui_rssi.elements[rtlpriv->
 286                                                     stats.ui_rssi.index];
 287                         rtlpriv->stats.ui_rssi.total_val -= last_rssi;
 288                 }
 289
 290                 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
 291                 rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi.
 292                                                 index++] =
 293                     pstats->signalstrength;
 294
 295                 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
 296                         rtlpriv->stats.ui_rssi.index = 0;
 297
 298                 tmpval = rtlpriv->stats.ui_rssi.total_val /
 299                     rtlpriv->stats.ui_rssi.total_num;
 300                 rtlpriv->stats.signal_strength =
 301                     _rtl92ce_translate_todbm(hw, (u8) tmpval);
 302                 pstats->rssi = rtlpriv->stats.signal_strength;
 303         }
 304
 305         if (!pstats->is_cck && pstats->packet_toself) {
 306                 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
 307                      rfpath++) {
 308                         if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
 309                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 310                                     pstats->rx_mimo_signalstrength[rfpath];
 311
 312                         }
 313
 314                         if (pstats->rx_mimo_signalstrength[rfpath] >
 315                             rtlpriv->stats.rx_rssi_percentage[rfpath]) {
 316                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 317                                     ((rtlpriv->stats.
 318                                       rx_rssi_percentage[rfpath] *
 319                                       (RX_SMOOTH_FACTOR - 1)) +
 320                                      (pstats->rx_mimo_signalstrength[rfpath])) /
 321                                     (RX_SMOOTH_FACTOR);
 322
 323                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 324                                     rtlpriv->stats.rx_rssi_percentage[rfpath] +
 325                                     1;
 326                         } else {
 327                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 328                                     ((rtlpriv->stats.
 329                                       rx_rssi_percentage[rfpath] *
 330                                       (RX_SMOOTH_FACTOR - 1)) +
 331                                      (pstats->rx_mimo_signalstrength[rfpath])) /
 332                                     (RX_SMOOTH_FACTOR);
 333                         }
 334
 335                 }
 336         }
 337 }
 338
 339 static void _rtl92ce_update_rxsignalstatistics(struct ieee80211_hw *hw,
 340                                                struct rtl_stats *pstats)
 341 {
 342         struct rtl_priv *rtlpriv = rtl_priv(hw);
 343         int weighting = 0;
 344
 345         if (rtlpriv->stats.recv_signal_power == 0)
 346                 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
 347
 348         if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
 349                 weighting = 5;
 350
 351         else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
 352                 weighting = (-5);
 353
 354         rtlpriv->stats.recv_signal_power =
 355             (rtlpriv->stats.recv_signal_power * 5 +
 356              pstats->recvsignalpower + weighting) / 6;
 357 }
 358
 359 static void _rtl92ce_process_pwdb(struct ieee80211_hw *hw,
 360                 struct rtl_stats *pstats)
 361 {
 362         struct rtl_priv *rtlpriv = rtl_priv(hw);
 363         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 364         long undec_sm_pwdb;
 365
 366         if (mac->opmode == NL80211_IFTYPE_ADHOC) {
 367                 return;
 368         } else {
 369                 undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
 370         }
 371
 372         if (pstats->packet_toself || pstats->packet_beacon) {
 373                 if (undec_sm_pwdb < 0)
 374                         undec_sm_pwdb = pstats->rx_pwdb_all;
 375
 376                 if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) {
 377                         undec_sm_pwdb = (((undec_sm_pwdb) *
 378                               (RX_SMOOTH_FACTOR - 1)) +
 379                              (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
 380
 381                         undec_sm_pwdb += 1;
 382                 } else {
 383                         undec_sm_pwdb = (((undec_sm_pwdb) *
 384                               (RX_SMOOTH_FACTOR - 1)) +
 385                              (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
 386                 }
 387
 388                 rtlpriv->dm.undec_sm_pwdb = undec_sm_pwdb;
 389                 _rtl92ce_update_rxsignalstatistics(hw, pstats);
 390         }
 391 }
 392
 393 static void _rtl92ce_process_ui_link_quality(struct ieee80211_hw *hw,
 394                                              struct rtl_stats *pstats)
 395 {
 396         struct rtl_priv *rtlpriv = rtl_priv(hw);
 397         u32 last_evm, n_spatialstream, tmpval;
 398
 399         if (pstats->signalquality != 0) {
 400                 if (pstats->packet_toself || pstats->packet_beacon) {
 401
 402                         if (rtlpriv->stats.ui_link_quality.total_num++ >=
 403                             PHY_LINKQUALITY_SLID_WIN_MAX) {
 404                                 rtlpriv->stats.ui_link_quality.total_num =
 405                                     PHY_LINKQUALITY_SLID_WIN_MAX;
 406                                 last_evm =
 407                                     rtlpriv->stats.
 408                                     ui_link_quality.elements[rtlpriv->
 409                                                           stats.ui_link_quality.
 410                                                           index];
 411                                 rtlpriv->stats.ui_link_quality.total_val -=
 412                                     last_evm;
 413                         }
 414
 415                         rtlpriv->stats.ui_link_quality.total_val +=
 416                             pstats->signalquality;
 417                         rtlpriv->stats.ui_link_quality.elements[rtlpriv->stats.
 418                                                                 ui_link_quality.
 419                                                                 index++] =
 420                             pstats->signalquality;
 421
 422                         if (rtlpriv->stats.ui_link_quality.index >=
 423                             PHY_LINKQUALITY_SLID_WIN_MAX)
 424                                 rtlpriv->stats.ui_link_quality.index = 0;
 425
 426                         tmpval = rtlpriv->stats.ui_link_quality.total_val /
 427                             rtlpriv->stats.ui_link_quality.total_num;
 428                         rtlpriv->stats.signal_quality = tmpval;
 429
 430                         rtlpriv->stats.last_sigstrength_inpercent = tmpval;
 431
 432                         for (n_spatialstream = 0; n_spatialstream < 2;
 433                              n_spatialstream++) {
 434                                 if (pstats->
 435                                     rx_mimo_sig_qual[n_spatialstream] != -1) {
 436                                         if (rtlpriv->stats.
 437                                             rx_evm_percentage[n_spatialstream]
 438                                             == 0) {
 439                                                 rtlpriv->stats.
 440                                                    rx_evm_percentage
 441                                                    [n_spatialstream] =
 442                                                    pstats->rx_mimo_sig_qual
 443                                                    [n_spatialstream];
 444                                         }
 445
 446                                         rtlpriv->stats.
 447                                             rx_evm_percentage[n_spatialstream] =
 448                                             ((rtlpriv->
 449                                               stats.rx_evm_percentage
 450                                               [n_spatialstream] *
 451                                               (RX_SMOOTH_FACTOR - 1)) +
 452                                              (pstats->rx_mimo_sig_qual
 453                                               [n_spatialstream] * 1)) /
 454                                             (RX_SMOOTH_FACTOR);
 455                                 }
 456                         }
 457                 }
 458         } else {
 459                 ;
 460         }
 461 }
 462
 463 static void _rtl92ce_process_phyinfo(struct ieee80211_hw *hw,
 464                                      u8 *buffer,
 465                                      struct rtl_stats *pcurrent_stats)
 466 {
 467
 468         if (!pcurrent_stats->packet_matchbssid &&
 469             !pcurrent_stats->packet_beacon)
 470                 return;
 471
 472         _rtl92ce_process_ui_rssi(hw, pcurrent_stats);
 473         _rtl92ce_process_pwdb(hw, pcurrent_stats);
 474         _rtl92ce_process_ui_link_quality(hw, pcurrent_stats);
 475 }
 476
 477 static void _rtl92ce_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 478                                                struct sk_buff *skb,
 479                                                struct rtl_stats *pstats,
 480                                                struct rx_desc_92c *pdesc,
 481                                                struct rx_fwinfo_92c *p_drvinfo)
 482 {
 483         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 484         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 485
 486         struct ieee80211_hdr *hdr;
 487         u8 *tmp_buf;
 488         u8 *praddr;
 489         __le16 fc;
 490         u16 type, c_fc;
 491         bool packet_matchbssid, packet_toself, packet_beacon = false;
 492
 493         tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
 494
 495         hdr = (struct ieee80211_hdr *)tmp_buf;
 496         fc = hdr->frame_control;
 497         c_fc = le16_to_cpu(fc);
 498         type = WLAN_FC_GET_TYPE(fc);
 499         praddr = hdr->addr1;
 500
 501         packet_matchbssid =
 502             ((IEEE80211_FTYPE_CTL != type) &&
 503              ether_addr_equal(mac->bssid,
 504                               (c_fc & IEEE80211_FCTL_TODS) ? hdr->addr1 :
 505                               (c_fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
 506                               hdr->addr3) &&
 507              (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
 508
 509         packet_toself = packet_matchbssid &&
 510              ether_addr_equal(praddr, rtlefuse->dev_addr);
 511
 512         if (ieee80211_is_beacon(fc))
 513                 packet_beacon = true;
 514
 515         _rtl92ce_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
 516                                    packet_matchbssid, packet_toself,
 517                                    packet_beacon);
 518
 519         _rtl92ce_process_phyinfo(hw, tmp_buf, pstats);
 520 }
 521
 522 bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,
 523                            struct rtl_stats *stats,
 524                            struct ieee80211_rx_status *rx_status,
 525                            u8 *p_desc, struct sk_buff *skb)
 526 {
 527         struct rx_fwinfo_92c *p_drvinfo;
 528         struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
 529
 530         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 531         stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
 532         stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 533             RX_DRV_INFO_SIZE_UNIT;
 534         stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
 535         stats->icv = (u16) GET_RX_DESC_ICV(pdesc);
 536         stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
 537         stats->hwerror = (stats->crc | stats->icv);
 538         stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 539         stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
 540         stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
 541         stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 542         stats->isampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
 543                                    && (GET_RX_DESC_FAGGR(pdesc) == 1));
 544         stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 545         stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
 546
 547         rx_status->freq = hw->conf.channel->center_freq;
 548         rx_status->band = hw->conf.channel->band;
 549
 550         if (GET_RX_DESC_CRC32(pdesc))
 551                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 552
 553         if (!GET_RX_DESC_SWDEC(pdesc))
 554                 rx_status->flag |= RX_FLAG_DECRYPTED;
 555
 556         if (GET_RX_DESC_BW(pdesc))
 557                 rx_status->flag |= RX_FLAG_40MHZ;
 558
 559         if (GET_RX_DESC_RXHT(pdesc))
 560                 rx_status->flag |= RX_FLAG_HT;
 561
 562         rx_status->flag |= RX_FLAG_MACTIME_START;
 563
 564         if (stats->decrypted)
 565                 rx_status->flag |= RX_FLAG_DECRYPTED;
 566
 567         rx_status->rate_idx = rtlwifi_rate_mapping(hw,
 568                                 (bool)GET_RX_DESC_RXHT(pdesc),
 569                                 (u8)GET_RX_DESC_RXMCS(pdesc),
 570                                 (bool)GET_RX_DESC_PAGGR(pdesc));
 571
 572         rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
 573         if (phystatus) {
 574                 p_drvinfo = (struct rx_fwinfo_92c *)(skb->data +
 575                                                      stats->rx_bufshift);
 576
 577                 _rtl92ce_translate_rx_signal_stuff(hw,
 578                                                    skb, stats, pdesc,
 579                                                    p_drvinfo);
 580         }
 581
 582         /*rx_status->qual = stats->signal; */
 583         rx_status->signal = stats->rssi + 10;
 584         /*rx_status->noise = -stats->noise; */
 585
 586         return true;
 587 }
 588
 589 void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
 590                           struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 591                           struct ieee80211_tx_info *info,
 592                           struct ieee80211_sta *sta,
 593                           struct sk_buff *skb,
 594                           u8 hw_queue, struct rtl_tcb_desc *tcb_desc)
 595 {
 596         struct rtl_priv *rtlpriv = rtl_priv(hw);
 597         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 598         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 599         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 600         bool defaultadapter = true;
 601         u8 *pdesc = pdesc_tx;
 602         u16 seq_number;
 603         __le16 fc = hdr->frame_control;
 604         u8 fw_qsel = _rtl92ce_map_hwqueue_to_fwqueue(skb, hw_queue);
 605         bool firstseg = ((hdr->seq_ctrl &
 606                           cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 607
 608         bool lastseg = ((hdr->frame_control &
 609                          cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 610
 611         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 612                                             skb->data, skb->len,
 613                                             PCI_DMA_TODEVICE);
 614
 615         u8 bw_40 = 0;
 616
 617         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 618                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 619                          "DMA mapping error");
 620                 return;
 621         }
 622         rcu_read_lock();
 623         sta = get_sta(hw, mac->vif, mac->bssid);
 624         if (mac->opmode == NL80211_IFTYPE_STATION) {
 625                 bw_40 = mac->bw_40;
 626         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 627                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 628                 if (sta)
 629                         bw_40 = sta->ht_cap.cap &
 630                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 631         }
 632
 633         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 634
 635         rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc);
 636
 637         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92c));
 638
 639         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 640                 firstseg = true;
 641                 lastseg = true;
 642         }
 643         if (firstseg) {
 644                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 645
 646                 SET_TX_DESC_TX_RATE(pdesc, tcb_desc->hw_rate);
 647
 648                 if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble)
 649                         SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
 650
 651                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 652                         SET_TX_DESC_AGG_BREAK(pdesc, 1);
 653                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 654                 }
 655                 SET_TX_DESC_SEQ(pdesc, seq_number);
 656
 657                 SET_TX_DESC_RTS_ENABLE(pdesc, ((tcb_desc->rts_enable &&
 658                                                 !tcb_desc->
 659                                                 cts_enable) ? 1 : 0));
 660                 SET_TX_DESC_HW_RTS_ENABLE(pdesc,
 661                                           ((tcb_desc->rts_enable
 662                                             || tcb_desc->cts_enable) ? 1 : 0));
 663                 SET_TX_DESC_CTS2SELF(pdesc, ((tcb_desc->cts_enable) ? 1 : 0));
 664                 SET_TX_DESC_RTS_STBC(pdesc, ((tcb_desc->rts_stbc) ? 1 : 0));
 665
 666                 SET_TX_DESC_RTS_RATE(pdesc, tcb_desc->rts_rate);
 667                 SET_TX_DESC_RTS_BW(pdesc, 0);
 668                 SET_TX_DESC_RTS_SC(pdesc, tcb_desc->rts_sc);
 669                 SET_TX_DESC_RTS_SHORT(pdesc,
 670                                       ((tcb_desc->rts_rate <= DESC92_RATE54M) ?
 671                                        (tcb_desc->rts_use_shortpreamble ? 1 : 0)
 672                                        : (tcb_desc->rts_use_shortgi ? 1 : 0)));
 673
 674                 if (bw_40) {
 675                         if (tcb_desc->packet_bw) {
 676                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 677                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 678                         } else {
 679                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 680                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
 681                                                  mac->cur_40_prime_sc);
 682                         }
 683                 } else {
 684                         SET_TX_DESC_DATA_BW(pdesc, 0);
 685                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 686                 }
 687
 688                 SET_TX_DESC_LINIP(pdesc, 0);
 689                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
 690
 691                 if (sta) {
 692                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 693                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 694                 }
 695
 696                 if (info->control.hw_key) {
 697                         struct ieee80211_key_conf *keyconf =
 698                             info->control.hw_key;
 699
 700                         switch (keyconf->cipher) {
 701                         case WLAN_CIPHER_SUITE_WEP40:
 702                         case WLAN_CIPHER_SUITE_WEP104:
 703                         case WLAN_CIPHER_SUITE_TKIP:
 704                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 705                                 break;
 706                         case WLAN_CIPHER_SUITE_CCMP:
 707                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 708                                 break;
 709                         default:
 710                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 711                                 break;
 712
 713                         }
 714                 }
 715
 716                 SET_TX_DESC_PKT_ID(pdesc, 0);
 717                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 718
 719                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 720                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 721                 SET_TX_DESC_DISABLE_FB(pdesc, 0);
 722                 SET_TX_DESC_USE_RATE(pdesc, tcb_desc->use_driver_rate ? 1 : 0);
 723
 724                 if (ieee80211_is_data_qos(fc)) {
 725                         if (mac->rdg_en) {
 726                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 727                                          "Enable RDG function\n");
 728                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 729                                 SET_TX_DESC_HTC(pdesc, 1);
 730                         }
 731                 }
 732         }
 733         rcu_read_unlock();
 734
 735         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 736         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 737
 738         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
 739
 740         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 741
 742         if (rtlpriv->dm.useramask) {
 743                 SET_TX_DESC_RATE_ID(pdesc, tcb_desc->ratr_index);
 744                 SET_TX_DESC_MACID(pdesc, tcb_desc->mac_id);
 745         } else {
 746                 SET_TX_DESC_RATE_ID(pdesc, 0xC + tcb_desc->ratr_index);
 747                 SET_TX_DESC_MACID(pdesc, tcb_desc->ratr_index);
 748         }
 749
 750         if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
 751                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 752                 SET_TX_DESC_PKT_ID(pdesc, 8);
 753
 754                 if (!defaultadapter)
 755                         SET_TX_DESC_QOS(pdesc, 1);
 756         }
 757
 758         SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 759
 760         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 761             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 762                 SET_TX_DESC_BMC(pdesc, 1);
 763         }
 764
 765         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 766 }
 767
 768 void rtl92ce_tx_fill_cmddesc(struct ieee80211_hw *hw,
 769                              u8 *pdesc, bool firstseg,
 770                              bool lastseg, struct sk_buff *skb)
 771 {
 772         struct rtl_priv *rtlpriv = rtl_priv(hw);
 773         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 774         u8 fw_queue = QSLT_BEACON;
 775
 776         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 777                                             skb->data, skb->len,
 778                                             PCI_DMA_TODEVICE);
 779
 780         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
 781         __le16 fc = hdr->frame_control;
 782
 783         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 784                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 785                          "DMA mapping error");
 786                 return;
 787         }
 788         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 789
 790         if (firstseg)
 791                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 792
 793         SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M);
 794
 795         SET_TX_DESC_SEQ(pdesc, 0);
 796
 797         SET_TX_DESC_LINIP(pdesc, 0);
 798
 799         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 800
 801         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 802         SET_TX_DESC_LAST_SEG(pdesc, 1);
 803
 804         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
 805
 806         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 807
 808         SET_TX_DESC_RATE_ID(pdesc, 7);
 809         SET_TX_DESC_MACID(pdesc, 0);
 810
 811         SET_TX_DESC_OWN(pdesc, 1);
 812
 813         SET_TX_DESC_PKT_SIZE(pdesc, (u16) (skb->len));
 814
 815         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 816         SET_TX_DESC_LAST_SEG(pdesc, 1);
 817
 818         SET_TX_DESC_OFFSET(pdesc, 0x20);
 819
 820         SET_TX_DESC_USE_RATE(pdesc, 1);
 821
 822         if (!ieee80211_is_data_qos(fc)) {
 823                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 824                 SET_TX_DESC_PKT_ID(pdesc, 8);
 825         }
 826
 827         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 828                       "H2C Tx Cmd Content", pdesc, TX_DESC_SIZE);
 829 }
 830
 831 void rtl92ce_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
 832 {
 833         if (istx) {
 834                 switch (desc_name) {
 835                 case HW_DESC_OWN:
 836                         wmb();
 837                         SET_TX_DESC_OWN(pdesc, 1);
 838                         break;
 839                 case HW_DESC_TX_NEXTDESC_ADDR:
 840                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
 841                         break;
 842                 default:
 843                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
 844                                   desc_name);
 845                         break;
 846                 }
 847         } else {
 848                 switch (desc_name) {
 849                 case HW_DESC_RXOWN:
 850                         wmb();
 851                         SET_RX_DESC_OWN(pdesc, 1);
 852                         break;
 853                 case HW_DESC_RXBUFF_ADDR:
 854                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
 855                         break;
 856                 case HW_DESC_RXPKT_LEN:
 857                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
 858                         break;
 859                 case HW_DESC_RXERO:
 860                         SET_RX_DESC_EOR(pdesc, 1);
 861                         break;
 862                 default:
 863                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 864                                   desc_name);
 865                         break;
 866                 }
 867         }
 868 }
 869
 870 u32 rtl92ce_get_desc(u8 *p_desc, bool istx, u8 desc_name)
 871 {
 872         u32 ret = 0;
 873
 874         if (istx) {
 875                 switch (desc_name) {
 876                 case HW_DESC_OWN:
 877                         ret = GET_TX_DESC_OWN(p_desc);
 878                         break;
 879                 case HW_DESC_TXBUFF_ADDR:
 880                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc);
 881                         break;
 882                 default:
 883                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
 884                                   desc_name);
 885                         break;
 886                 }
 887         } else {
 888                 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
 889                 switch (desc_name) {
 890                 case HW_DESC_OWN:
 891                         ret = GET_RX_DESC_OWN(pdesc);
 892                         break;
 893                 case HW_DESC_RXPKT_LEN:
 894                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 895                         break;
 896                 default:
 897                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 898                                   desc_name);
 899                         break;
 900                 }
 901         }
 902         return ret;
 903 }
 904
 905 void rtl92ce_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 906 {
 907         struct rtl_priv *rtlpriv = rtl_priv(hw);
 908         if (hw_queue == BEACON_QUEUE) {
 909                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 910         } else {
 911                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 912                                BIT(0) << (hw_queue));
 913         }
 914 }
 915