drivers/net/wireless/rtlwifi/rtl8192se/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 "fw.h"
  37 #include "trx.h"
  38 #include "led.h"
  39
  40 static u8 _rtl92se_map_hwqueue_to_fwqueue(struct sk_buff *skb,  u8 skb_queue)
  41 {
  42         __le16 fc = rtl_get_fc(skb);
  43
  44         if (unlikely(ieee80211_is_beacon(fc)))
  45                 return QSLT_BEACON;
  46         if (ieee80211_is_mgmt(fc))
  47                 return QSLT_MGNT;
  48         if (ieee80211_is_nullfunc(fc))
  49                 return QSLT_HIGH;
  50
  51         return skb->priority;
  52 }
  53
  54 static int _rtl92se_rate_mapping(bool isht, u8 desc_rate, bool first_ampdu)
  55 {
  56         int rate_idx = 0;
  57
  58         if (first_ampdu) {
  59                 if (false == isht) {
  60                         switch (desc_rate) {
  61                         case DESC92S_RATE1M:
  62                                 rate_idx = 0;
  63                                 break;
  64                         case DESC92S_RATE2M:
  65                                 rate_idx = 1;
  66                                 break;
  67                         case DESC92S_RATE5_5M:
  68                                 rate_idx = 2;
  69                                 break;
  70                         case DESC92S_RATE11M:
  71                                 rate_idx = 3;
  72                                 break;
  73                         case DESC92S_RATE6M:
  74                                 rate_idx = 4;
  75                                 break;
  76                         case DESC92S_RATE9M:
  77                                 rate_idx = 5;
  78                                 break;
  79                         case DESC92S_RATE12M:
  80                                 rate_idx = 6;
  81                                 break;
  82                         case DESC92S_RATE18M:
  83                                 rate_idx = 7;
  84                                 break;
  85                         case DESC92S_RATE24M:
  86                                 rate_idx = 8;
  87                                 break;
  88                         case DESC92S_RATE36M:
  89                                 rate_idx = 9;
  90                                 break;
  91                         case DESC92S_RATE48M:
  92                                 rate_idx = 10;
  93                                 break;
  94                         case DESC92S_RATE54M:
  95                                 rate_idx = 11;
  96                                 break;
  97                         default:
  98                                 rate_idx = 0;
  99                                 break;
 100                         }
 101                 } else {
 102                         rate_idx = 11;
 103                 }
 104
 105                 return rate_idx;
 106         }
 107
 108         switch (desc_rate) {
 109         case DESC92S_RATE1M:
 110                 rate_idx = 0;
 111                 break;
 112         case DESC92S_RATE2M:
 113                 rate_idx = 1;
 114                 break;
 115         case DESC92S_RATE5_5M:
 116                 rate_idx = 2;
 117                 break;
 118         case DESC92S_RATE11M:
 119                 rate_idx = 3;
 120                 break;
 121         case DESC92S_RATE6M:
 122                 rate_idx = 4;
 123                 break;
 124         case DESC92S_RATE9M:
 125                 rate_idx = 5;
 126                 break;
 127         case DESC92S_RATE12M:
 128                 rate_idx = 6;
 129                 break;
 130         case DESC92S_RATE18M:
 131                 rate_idx = 7;
 132                 break;
 133         case DESC92S_RATE24M:
 134                 rate_idx = 8;
 135                 break;
 136         case DESC92S_RATE36M:
 137                 rate_idx = 9;
 138                 break;
 139         case DESC92S_RATE48M:
 140                 rate_idx = 10;
 141                 break;
 142         case DESC92S_RATE54M:
 143                 rate_idx = 11;
 144                 break;
 145         default:
 146                 rate_idx = 11;
 147                 break;
 148         }
 149         return rate_idx;
 150 }
 151
 152 static u8 _rtl92s_query_rxpwrpercentage(char antpower)
 153 {
 154         if ((antpower <= -100) || (antpower >= 20))
 155                 return 0;
 156         else if (antpower >= 0)
 157                 return 100;
 158         else
 159                 return 100 + antpower;
 160 }
 161
 162 static u8 _rtl92s_evm_db_to_percentage(char value)
 163 {
 164         char ret_val;
 165         ret_val = value;
 166
 167         if (ret_val >= 0)
 168                 ret_val = 0;
 169
 170         if (ret_val <= -33)
 171                 ret_val = -33;
 172
 173         ret_val = 0 - ret_val;
 174         ret_val *= 3;
 175
 176         if (ret_val == 99)
 177                 ret_val = 100;
 178
 179         return ret_val;
 180 }
 181
 182 static long _rtl92se_translate_todbm(struct ieee80211_hw *hw,
 183                                      u8 signal_strength_index)
 184 {
 185         long signal_power;
 186
 187         signal_power = (long)((signal_strength_index + 1) >> 1);
 188         signal_power -= 95;
 189         return signal_power;
 190 }
 191
 192 static long _rtl92se_signal_scale_mapping(struct ieee80211_hw *hw,
 193                 long currsig)
 194 {
 195         long retsig = 0;
 196
 197         /* Step 1. Scale mapping. */
 198         if (currsig > 47)
 199                 retsig = 100;
 200         else if (currsig > 14 && currsig <= 47)
 201                 retsig = 100 - ((47 - currsig) * 3) / 2;
 202         else if (currsig > 2 && currsig <= 14)
 203                 retsig = 48 - ((14 - currsig) * 15) / 7;
 204         else if (currsig >= 0)
 205                 retsig = currsig * 9 + 1;
 206
 207         return retsig;
 208 }
 209
 210
 211 static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw,
 212                                        struct rtl_stats *pstats, u8 *pdesc,
 213                                        struct rx_fwinfo *p_drvinfo,
 214                                        bool packet_match_bssid,
 215                                        bool packet_toself,
 216                                        bool packet_beacon)
 217 {
 218         struct rtl_priv *rtlpriv = rtl_priv(hw);
 219         struct phy_sts_cck_8192s_t *cck_buf;
 220         s8 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 in_powersavemode = false;
 225         bool is_cck_rate;
 226
 227         is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc);
 228         pstats->packet_matchbssid = packet_match_bssid;
 229         pstats->packet_toself = packet_toself;
 230         pstats->is_cck = is_cck_rate;
 231         pstats->packet_beacon = packet_beacon;
 232         pstats->is_cck = is_cck_rate;
 233         pstats->rx_mimo_signalquality[0] = -1;
 234         pstats->rx_mimo_signalquality[1] = -1;
 235
 236         if (is_cck_rate) {
 237                 u8 report, cck_highpwr;
 238                 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
 239
 240                 if (!in_powersavemode)
 241                         cck_highpwr = (u8) rtl_get_bbreg(hw,
 242                                                 RFPGA0_XA_HSSIPARAMETER2,
 243                                                 0x200);
 244                 else
 245                         cck_highpwr = false;
 246
 247                 if (!cck_highpwr) {
 248                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 249                         report = cck_buf->cck_agc_rpt & 0xc0;
 250                         report = report >> 6;
 251                         switch (report) {
 252                         case 0x3:
 253                                 rx_pwr_all = -40 - (cck_agc_rpt & 0x3e);
 254                                 break;
 255                         case 0x2:
 256                                 rx_pwr_all = -20 - (cck_agc_rpt & 0x3e);
 257                                 break;
 258                         case 0x1:
 259                                 rx_pwr_all = -2 - (cck_agc_rpt & 0x3e);
 260                                 break;
 261                         case 0x0:
 262                                 rx_pwr_all = 14 - (cck_agc_rpt & 0x3e);
 263                                 break;
 264                         }
 265                 } else {
 266                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 267                         report = p_drvinfo->cfosho[0] & 0x60;
 268                         report = report >> 5;
 269                         switch (report) {
 270                         case 0x3:
 271                                 rx_pwr_all = -40 - ((cck_agc_rpt & 0x1f) << 1);
 272                                 break;
 273                         case 0x2:
 274                                 rx_pwr_all = -20 - ((cck_agc_rpt & 0x1f) << 1);
 275                                 break;
 276                         case 0x1:
 277                                 rx_pwr_all = -2 - ((cck_agc_rpt & 0x1f) << 1);
 278                                 break;
 279                         case 0x0:
 280                                 rx_pwr_all = 14 - ((cck_agc_rpt & 0x1f) << 1);
 281                                 break;
 282                         }
 283                 }
 284
 285                 pwdb_all = _rtl92s_query_rxpwrpercentage(rx_pwr_all);
 286
 287                 /* CCK gain is smaller than OFDM/MCS gain,  */
 288                 /* so we add gain diff by experiences, the val is 6 */
 289                 pwdb_all += 6;
 290                 if (pwdb_all > 100)
 291                         pwdb_all = 100;
 292                 /* modify the offset to make the same gain index with OFDM. */
 293                 if (pwdb_all > 34 && pwdb_all <= 42)
 294                         pwdb_all -= 2;
 295                 else if (pwdb_all > 26 && pwdb_all <= 34)
 296                         pwdb_all -= 6;
 297                 else if (pwdb_all > 14 && pwdb_all <= 26)
 298                         pwdb_all -= 8;
 299                 else if (pwdb_all > 4 && pwdb_all <= 14)
 300                         pwdb_all -= 4;
 301
 302                 pstats->rx_pwdb_all = pwdb_all;
 303                 pstats->recvsignalpower = rx_pwr_all;
 304
 305                 if (packet_match_bssid) {
 306                         u8 sq;
 307                         if (pstats->rx_pwdb_all > 40) {
 308                                 sq = 100;
 309                         } else {
 310                                 sq = cck_buf->sq_rpt;
 311                                 if (sq > 64)
 312                                         sq = 0;
 313                                 else if (sq < 20)
 314                                         sq = 100;
 315                                 else
 316                                         sq = ((64 - sq) * 100) / 44;
 317                         }
 318
 319                         pstats->signalquality = sq;
 320                         pstats->rx_mimo_signalquality[0] = sq;
 321                         pstats->rx_mimo_signalquality[1] = -1;
 322                 }
 323         } else {
 324                 rtlpriv->dm.rfpath_rxenable[0] =
 325                     rtlpriv->dm.rfpath_rxenable[1] = true;
 326                 for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {
 327                         if (rtlpriv->dm.rfpath_rxenable[i])
 328                                 rf_rx_num++;
 329
 330                         rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
 331                                     0x3f) * 2) - 110;
 332                         rssi = _rtl92s_query_rxpwrpercentage(rx_pwr[i]);
 333                         total_rssi += rssi;
 334                         rtlpriv->stats.rx_snr_db[i] =
 335                                          (long)(p_drvinfo->rxsnr[i] / 2);
 336
 337                         if (packet_match_bssid)
 338                                 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
 339                 }
 340
 341                 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 342                 pwdb_all = _rtl92s_query_rxpwrpercentage(rx_pwr_all);
 343                 pstats->rx_pwdb_all = pwdb_all;
 344                 pstats->rxpower = rx_pwr_all;
 345                 pstats->recvsignalpower = rx_pwr_all;
 346
 347                 if (GET_RX_STATUS_DESC_RX_HT(pdesc) &&
 348                         GET_RX_STATUS_DESC_RX_MCS(pdesc) >= DESC92S_RATEMCS8 &&
 349                     GET_RX_STATUS_DESC_RX_MCS(pdesc) <= DESC92S_RATEMCS15)
 350                         max_spatial_stream = 2;
 351                 else
 352                         max_spatial_stream = 1;
 353
 354                 for (i = 0; i < max_spatial_stream; i++) {
 355                         evm = _rtl92s_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 356
 357                         if (packet_match_bssid) {
 358                                 if (i == 0)
 359                                         pstats->signalquality = (u8)(evm &
 360                                                                  0xff);
 361                                 pstats->rx_mimo_signalquality[i] =
 362                                                          (u8) (evm & 0xff);
 363                         }
 364                 }
 365         }
 366
 367         if (is_cck_rate)
 368                 pstats->signalstrength = (u8)(_rtl92se_signal_scale_mapping(hw,
 369                                          pwdb_all));
 370         else if (rf_rx_num != 0)
 371                 pstats->signalstrength = (u8) (_rtl92se_signal_scale_mapping(hw,
 372                                 total_rssi /= rf_rx_num));
 373 }
 374
 375 static void _rtl92se_process_ui_rssi(struct ieee80211_hw *hw,
 376                                      struct rtl_stats *pstats)
 377 {
 378         struct rtl_priv *rtlpriv = rtl_priv(hw);
 379         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 380         u8 rfpath;
 381         u32 last_rssi, tmpval;
 382
 383         if (pstats->packet_toself || pstats->packet_beacon) {
 384                 rtlpriv->stats.rssi_calculate_cnt++;
 385
 386                 if (rtlpriv->stats.ui_rssi.total_num++ >=
 387                     PHY_RSSI_SLID_WIN_MAX) {
 388                         rtlpriv->stats.ui_rssi.total_num =
 389                                          PHY_RSSI_SLID_WIN_MAX;
 390                         last_rssi = rtlpriv->stats.ui_rssi.elements[
 391                                 rtlpriv->stats.ui_rssi.index];
 392                         rtlpriv->stats.ui_rssi.total_val -= last_rssi;
 393                 }
 394
 395                 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
 396                 rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi.index++]
 397                          = pstats->signalstrength;
 398
 399                 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
 400                         rtlpriv->stats.ui_rssi.index = 0;
 401
 402                 tmpval = rtlpriv->stats.ui_rssi.total_val /
 403                         rtlpriv->stats.ui_rssi.total_num;
 404                 rtlpriv->stats.signal_strength = _rtl92se_translate_todbm(hw,
 405                                                                 (u8) tmpval);
 406                 pstats->rssi = rtlpriv->stats.signal_strength;
 407         }
 408
 409         if (!pstats->is_cck && pstats->packet_toself) {
 410                 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
 411                      rfpath++) {
 412                         if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
 413                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 414                                     pstats->rx_mimo_signalstrength[rfpath];
 415
 416                         }
 417
 418                         if (pstats->rx_mimo_signalstrength[rfpath] >
 419                             rtlpriv->stats.rx_rssi_percentage[rfpath]) {
 420                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 421                                     ((rtlpriv->stats.rx_rssi_percentage[rfpath]
 422                                     * (RX_SMOOTH_FACTOR - 1)) +
 423                                     (pstats->rx_mimo_signalstrength[rfpath])) /
 424                                     (RX_SMOOTH_FACTOR);
 425
 426                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 427                                     rtlpriv->stats.rx_rssi_percentage[rfpath]
 428                                     + 1;
 429                         } else {
 430                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 431                                     ((rtlpriv->stats.rx_rssi_percentage[rfpath]
 432                                     * (RX_SMOOTH_FACTOR - 1)) +
 433                                     (pstats->rx_mimo_signalstrength[rfpath])) /
 434                                     (RX_SMOOTH_FACTOR);
 435                         }
 436
 437                 }
 438         }
 439 }
 440
 441 static void _rtl92se_update_rxsignalstatistics(struct ieee80211_hw *hw,
 442                                                struct rtl_stats *pstats)
 443 {
 444         struct rtl_priv *rtlpriv = rtl_priv(hw);
 445         int weighting = 0;
 446
 447         if (rtlpriv->stats.recv_signal_power == 0)
 448                 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
 449
 450         if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
 451                 weighting = 5;
 452         else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
 453                 weighting = (-5);
 454
 455         rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power * 5
 456                                            + pstats->recvsignalpower +
 457                                            weighting) / 6;
 458 }
 459
 460 static void _rtl92se_process_pwdb(struct ieee80211_hw *hw,
 461                                   struct rtl_stats *pstats)
 462 {
 463         struct rtl_priv *rtlpriv = rtl_priv(hw);
 464         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 465         long undec_sm_pwdb = 0;
 466
 467         if (mac->opmode == NL80211_IFTYPE_ADHOC) {
 468                 return;
 469         } else {
 470                 undec_sm_pwdb =
 471                     rtlpriv->dm.undecorated_smoothed_pwdb;
 472         }
 473
 474         if (pstats->packet_toself || pstats->packet_beacon) {
 475                 if (undec_sm_pwdb < 0)
 476                         undec_sm_pwdb = pstats->rx_pwdb_all;
 477
 478                 if (pstats->rx_pwdb_all > (u32) undec_sm_pwdb) {
 479                         undec_sm_pwdb =
 480                             (((undec_sm_pwdb) *
 481                             (RX_SMOOTH_FACTOR - 1)) +
 482                             (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
 483
 484                         undec_sm_pwdb = undec_sm_pwdb + 1;
 485                 } else {
 486                         undec_sm_pwdb = (((undec_sm_pwdb) *
 487                               (RX_SMOOTH_FACTOR - 1)) + (pstats->rx_pwdb_all)) /
 488                               (RX_SMOOTH_FACTOR);
 489                 }
 490
 491                 rtlpriv->dm.undecorated_smoothed_pwdb = undec_sm_pwdb;
 492                 _rtl92se_update_rxsignalstatistics(hw, pstats);
 493         }
 494 }
 495
 496 static void rtl_92s_process_streams(struct ieee80211_hw *hw,
 497                                     struct rtl_stats *pstats)
 498 {
 499         struct rtl_priv *rtlpriv = rtl_priv(hw);
 500         u32 stream;
 501
 502         for (stream = 0; stream < 2; stream++) {
 503                 if (pstats->rx_mimo_signalquality[stream] != -1) {
 504                         if (rtlpriv->stats.rx_evm_percentage[stream] == 0) {
 505                                 rtlpriv->stats.rx_evm_percentage[stream] =
 506                                     pstats->rx_mimo_signalquality[stream];
 507                         }
 508
 509                         rtlpriv->stats.rx_evm_percentage[stream] =
 510                             ((rtlpriv->stats.rx_evm_percentage[stream] *
 511                                         (RX_SMOOTH_FACTOR - 1)) +
 512                              (pstats->rx_mimo_signalquality[stream] *
 513                                         1)) / (RX_SMOOTH_FACTOR);
 514                 }
 515         }
 516 }
 517
 518 static void _rtl92se_process_ui_link_quality(struct ieee80211_hw *hw,
 519                                              struct rtl_stats *pstats)
 520 {
 521         struct rtl_priv *rtlpriv = rtl_priv(hw);
 522         u32 last_evm = 0, tmpval;
 523
 524         if (pstats->signalquality != 0) {
 525                 if (pstats->packet_toself || pstats->packet_beacon) {
 526
 527                         if (rtlpriv->stats.ui_link_quality.total_num++ >=
 528                             PHY_LINKQUALITY_SLID_WIN_MAX) {
 529                                 rtlpriv->stats.ui_link_quality.total_num =
 530                                     PHY_LINKQUALITY_SLID_WIN_MAX;
 531                                 last_evm =
 532                                     rtlpriv->stats.ui_link_quality.elements[
 533                                     rtlpriv->stats.ui_link_quality.index];
 534                                 rtlpriv->stats.ui_link_quality.total_val -=
 535                                     last_evm;
 536                         }
 537
 538                         rtlpriv->stats.ui_link_quality.total_val +=
 539                             pstats->signalquality;
 540                         rtlpriv->stats.ui_link_quality.elements[
 541                                 rtlpriv->stats.ui_link_quality.index++] =
 542                             pstats->signalquality;
 543
 544                         if (rtlpriv->stats.ui_link_quality.index >=
 545                             PHY_LINKQUALITY_SLID_WIN_MAX)
 546                                 rtlpriv->stats.ui_link_quality.index = 0;
 547
 548                         tmpval = rtlpriv->stats.ui_link_quality.total_val /
 549                             rtlpriv->stats.ui_link_quality.total_num;
 550                         rtlpriv->stats.signal_quality = tmpval;
 551
 552                         rtlpriv->stats.last_sigstrength_inpercent = tmpval;
 553
 554                         rtl_92s_process_streams(hw, pstats);
 555
 556                 }
 557         }
 558 }
 559
 560 static void _rtl92se_process_phyinfo(struct ieee80211_hw *hw,
 561                                      u8 *buffer,
 562                                      struct rtl_stats *pcurrent_stats)
 563 {
 564
 565         if (!pcurrent_stats->packet_matchbssid &&
 566             !pcurrent_stats->packet_beacon)
 567                 return;
 568
 569         _rtl92se_process_ui_rssi(hw, pcurrent_stats);
 570         _rtl92se_process_pwdb(hw, pcurrent_stats);
 571         _rtl92se_process_ui_link_quality(hw, pcurrent_stats);
 572 }
 573
 574 static void _rtl92se_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 575                 struct sk_buff *skb, struct rtl_stats *pstats,
 576                 u8 *pdesc, struct rx_fwinfo *p_drvinfo)
 577 {
 578         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 579         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 580
 581         struct ieee80211_hdr *hdr;
 582         u8 *tmp_buf;
 583         u8 *praddr;
 584         u8 *psaddr;
 585         __le16 fc;
 586         u16 type, cfc;
 587         bool packet_matchbssid, packet_toself, packet_beacon;
 588
 589         tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
 590
 591         hdr = (struct ieee80211_hdr *)tmp_buf;
 592         fc = hdr->frame_control;
 593         cfc = le16_to_cpu(fc);
 594         type = WLAN_FC_GET_TYPE(fc);
 595         praddr = hdr->addr1;
 596         psaddr = hdr->addr2;
 597
 598         packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 599              (!compare_ether_addr(mac->bssid, (cfc & IEEE80211_FCTL_TODS) ?
 600                         hdr->addr1 : (cfc & IEEE80211_FCTL_FROMDS) ?
 601                         hdr->addr2 : hdr->addr3)) && (!pstats->hwerror) &&
 602                         (!pstats->crc) && (!pstats->icv));
 603
 604         packet_toself = packet_matchbssid &&
 605             (!compare_ether_addr(praddr, rtlefuse->dev_addr));
 606
 607         if (ieee80211_is_beacon(fc))
 608                 packet_beacon = true;
 609
 610         _rtl92se_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
 611                         packet_matchbssid, packet_toself, packet_beacon);
 612         _rtl92se_process_phyinfo(hw, tmp_buf, pstats);
 613 }
 614
 615 bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
 616                            struct ieee80211_rx_status *rx_status, u8 *pdesc,
 617                            struct sk_buff *skb)
 618 {
 619         struct rx_fwinfo *p_drvinfo;
 620         u32 phystatus = (u32)GET_RX_STATUS_DESC_PHY_STATUS(pdesc);
 621
 622         stats->length = (u16)GET_RX_STATUS_DESC_PKT_LEN(pdesc);
 623         stats->rx_drvinfo_size = (u8)GET_RX_STATUS_DESC_DRVINFO_SIZE(pdesc) * 8;
 624         stats->rx_bufshift = (u8)(GET_RX_STATUS_DESC_SHIFT(pdesc) & 0x03);
 625         stats->icv = (u16)GET_RX_STATUS_DESC_ICV(pdesc);
 626         stats->crc = (u16)GET_RX_STATUS_DESC_CRC32(pdesc);
 627         stats->hwerror = (u16)(stats->crc | stats->icv);
 628         stats->decrypted = !GET_RX_STATUS_DESC_SWDEC(pdesc);
 629
 630         stats->rate = (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc);
 631         stats->shortpreamble = (u16)GET_RX_STATUS_DESC_SPLCP(pdesc);
 632         stats->isampdu = (bool)(GET_RX_STATUS_DESC_PAGGR(pdesc) == 1);
 633         stats->timestamp_low = GET_RX_STATUS_DESC_TSFL(pdesc);
 634         stats->rx_is40Mhzpacket = (bool)GET_RX_STATUS_DESC_BW(pdesc);
 635
 636         if (stats->hwerror)
 637                 return false;
 638
 639         rx_status->freq = hw->conf.channel->center_freq;
 640         rx_status->band = hw->conf.channel->band;
 641
 642         if (GET_RX_STATUS_DESC_CRC32(pdesc))
 643                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 644
 645         if (!GET_RX_STATUS_DESC_SWDEC(pdesc))
 646                 rx_status->flag |= RX_FLAG_DECRYPTED;
 647
 648         if (GET_RX_STATUS_DESC_BW(pdesc))
 649                 rx_status->flag |= RX_FLAG_40MHZ;
 650
 651         if (GET_RX_STATUS_DESC_RX_HT(pdesc))
 652                 rx_status->flag |= RX_FLAG_HT;
 653
 654         rx_status->flag |= RX_FLAG_MACTIME_MPDU;
 655
 656         if (stats->decrypted)
 657                 rx_status->flag |= RX_FLAG_DECRYPTED;
 658
 659         rx_status->rate_idx = _rtl92se_rate_mapping((bool)
 660                         GET_RX_STATUS_DESC_RX_HT(pdesc),
 661                         (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc),
 662                         (bool)GET_RX_STATUS_DESC_PAGGR(pdesc));
 663
 664
 665         rx_status->mactime = GET_RX_STATUS_DESC_TSFL(pdesc);
 666         if (phystatus == true) {
 667                 p_drvinfo = (struct rx_fwinfo *)(skb->data +
 668                                                  stats->rx_bufshift);
 669                 _rtl92se_translate_rx_signal_stuff(hw, skb, stats, pdesc,
 670                                                    p_drvinfo);
 671         }
 672
 673         /*rx_status->qual = stats->signal; */
 674         rx_status->signal = stats->rssi + 10;
 675         /*rx_status->noise = -stats->noise; */
 676
 677         return true;
 678 }
 679
 680 void rtl92se_tx_fill_desc(struct ieee80211_hw *hw,
 681                 struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 682                 struct ieee80211_tx_info *info, struct sk_buff *skb,
 683                 u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 684 {
 685         struct rtl_priv *rtlpriv = rtl_priv(hw);
 686         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 687         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 688         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 689         struct ieee80211_sta *sta = info->control.sta;
 690         u8 *pdesc = (u8 *) pdesc_tx;
 691         u16 seq_number;
 692         __le16 fc = hdr->frame_control;
 693         u8 reserved_macid = 0;
 694         u8 fw_qsel = _rtl92se_map_hwqueue_to_fwqueue(skb, hw_queue);
 695         bool firstseg = (!(hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)));
 696         bool lastseg = (!(hdr->frame_control &
 697                         cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)));
 698         dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 699                     PCI_DMA_TODEVICE);
 700         u8 bw_40 = 0;
 701
 702         if (mac->opmode == NL80211_IFTYPE_STATION) {
 703                 bw_40 = mac->bw_40;
 704         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 705                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 706                 if (sta)
 707                         bw_40 = sta->ht_cap.cap &
 708                                     IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 709         }
 710
 711         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 712
 713         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 714
 715         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE_RTL8192S);
 716
 717         if (firstseg) {
 718                 if (rtlpriv->dm.useramask) {
 719                         /* set txdesc macId */
 720                         if (ptcb_desc->mac_id < 32) {
 721                                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 722                                 reserved_macid |= ptcb_desc->mac_id;
 723                         }
 724                 }
 725                 SET_TX_DESC_RSVD_MACID(pdesc, reserved_macid);
 726
 727                 SET_TX_DESC_TXHT(pdesc, ((ptcb_desc->hw_rate >=
 728                                  DESC92S_RATEMCS0) ? 1 : 0));
 729
 730                 if (rtlhal->version == VERSION_8192S_ACUT) {
 731                         if (ptcb_desc->hw_rate == DESC92S_RATE1M ||
 732                                 ptcb_desc->hw_rate  == DESC92S_RATE2M ||
 733                                 ptcb_desc->hw_rate == DESC92S_RATE5_5M ||
 734                                 ptcb_desc->hw_rate == DESC92S_RATE11M) {
 735                                 ptcb_desc->hw_rate = DESC92S_RATE12M;
 736                         }
 737                 }
 738
 739                 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
 740
 741                 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
 742                         SET_TX_DESC_TX_SHORT(pdesc, 0);
 743
 744                 /* Aggregation related */
 745                 if (info->flags & IEEE80211_TX_CTL_AMPDU)
 746                         SET_TX_DESC_AGG_ENABLE(pdesc, 1);
 747
 748                 /* For AMPDU, we must insert SSN into TX_DESC */
 749                 SET_TX_DESC_SEQ(pdesc, seq_number);
 750
 751                 /* Protection mode related */
 752                 /* For 92S, if RTS/CTS are set, HW will execute RTS. */
 753                 /* We choose only one protection mode to execute */
 754                 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
 755                                 !ptcb_desc->cts_enable) ? 1 : 0));
 756                 SET_TX_DESC_CTS_ENABLE(pdesc, ((ptcb_desc->cts_enable) ?
 757                                        1 : 0));
 758                 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
 759
 760                 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 761                 SET_TX_DESC_RTS_BANDWIDTH(pdesc, 0);
 762                 SET_TX_DESC_RTS_SUB_CARRIER(pdesc, ptcb_desc->rts_sc);
 763                 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
 764                        DESC92S_RATE54M) ?
 765                        (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
 766                        : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 767
 768
 769                 /* Set Bandwidth and sub-channel settings. */
 770                 if (bw_40) {
 771                         if (ptcb_desc->packet_bw) {
 772                                 SET_TX_DESC_TX_BANDWIDTH(pdesc, 1);
 773                                 /* use duplicated mode */
 774                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 775                         } else {
 776                                 SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
 777                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
 778                                                    mac->cur_40_prime_sc);
 779                         }
 780                 } else {
 781                         SET_TX_DESC_TX_BANDWIDTH(pdesc, 0);
 782                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 783                 }
 784
 785                 /* 3 Fill necessary field in First Descriptor */
 786                 /*DWORD 0*/
 787                 SET_TX_DESC_LINIP(pdesc, 0);
 788                 SET_TX_DESC_OFFSET(pdesc, 32);
 789                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
 790
 791                 /*DWORD 1*/
 792                 SET_TX_DESC_RA_BRSR_ID(pdesc, ptcb_desc->ratr_index);
 793
 794                 /* Fill security related */
 795                 if (info->control.hw_key) {
 796                         struct ieee80211_key_conf *keyconf;
 797
 798                         keyconf = info->control.hw_key;
 799                         switch (keyconf->cipher) {
 800                         case WLAN_CIPHER_SUITE_WEP40:
 801                         case WLAN_CIPHER_SUITE_WEP104:
 802                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 803                                 break;
 804                         case WLAN_CIPHER_SUITE_TKIP:
 805                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x2);
 806                                 break;
 807                         case WLAN_CIPHER_SUITE_CCMP:
 808                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 809                                 break;
 810                         default:
 811                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 812                                 break;
 813
 814                         }
 815                 }
 816
 817                 /* Set Packet ID */
 818                 SET_TX_DESC_PACKET_ID(pdesc, 0);
 819
 820                 /* We will assign magement queue to BK. */
 821                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 822
 823                 /* Alwasy enable all rate fallback range */
 824                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 825
 826                 /* Fix: I don't kown why hw use 6.5M to tx when set it */
 827                 SET_TX_DESC_USER_RATE(pdesc,
 828                                       ptcb_desc->use_driver_rate ? 1 : 0);
 829
 830                 /* Set NON_QOS bit. */
 831                 if (!ieee80211_is_data_qos(fc))
 832                         SET_TX_DESC_NON_QOS(pdesc, 1);
 833
 834         }
 835
 836         /* Fill fields that are required to be initialized
 837          * in all of the descriptors */
 838         /*DWORD 0 */
 839         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 840         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 841
 842         /* DWORD 7 */
 843         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
 844
 845         /* DOWRD 8 */
 846         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping));
 847
 848         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, ("\n"));
 849 }
 850
 851 void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
 852         bool firstseg, bool lastseg, struct sk_buff *skb)
 853 {
 854         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 855         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 856         struct rtl_tcb_desc *tcb_desc = (struct rtl_tcb_desc *)(skb->cb);
 857
 858         dma_addr_t mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 859                         PCI_DMA_TODEVICE);
 860
 861     /* Clear all status */
 862         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_CMDDESC_SIZE_RTL8192S);
 863
 864         /* This bit indicate this packet is used for FW download. */
 865         if (tcb_desc->cmd_or_init == DESC_PACKET_TYPE_INIT) {
 866                 /* For firmware downlaod we only need to set LINIP */
 867                 SET_TX_DESC_LINIP(pdesc, tcb_desc->last_inipkt);
 868
 869                 /* 92SE must set as 1 for firmware download HW DMA error */
 870                 SET_TX_DESC_FIRST_SEG(pdesc, 1);
 871                 SET_TX_DESC_LAST_SEG(pdesc, 1);
 872
 873                 /* 92SE need not to set TX packet size when firmware download */
 874                 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
 875                 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
 876                 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping));
 877
 878                 SET_TX_DESC_OWN(pdesc, 1);
 879         } else { /* H2C Command Desc format (Host TXCMD) */
 880                 /* 92SE must set as 1 for firmware download HW DMA error */
 881                 SET_TX_DESC_FIRST_SEG(pdesc, 1);
 882                 SET_TX_DESC_LAST_SEG(pdesc, 1);
 883
 884                 SET_TX_DESC_OFFSET(pdesc, 0x20);
 885
 886                 /* Buffer size + command header */
 887                 SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
 888                 /* Fixed queue of H2C command */
 889                 SET_TX_DESC_QUEUE_SEL(pdesc, 0x13);
 890
 891                 SET_BITS_TO_LE_4BYTE(skb->data, 24, 7, rtlhal->h2c_txcmd_seq);
 892
 893                 SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
 894                 SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, cpu_to_le32(mapping));
 895
 896                 SET_TX_DESC_OWN(pdesc, 1);
 897
 898         }
 899 }
 900
 901 void rtl92se_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
 902 {
 903         if (istx == true) {
 904                 switch (desc_name) {
 905                 case HW_DESC_OWN:
 906                         SET_TX_DESC_OWN(pdesc, 1);
 907                         break;
 908                 case HW_DESC_TX_NEXTDESC_ADDR:
 909                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
 910                         break;
 911                 default:
 912                         RT_ASSERT(false, ("ERR txdesc :%d not process\n",
 913                                   desc_name));
 914                         break;
 915                 }
 916         } else {
 917                 switch (desc_name) {
 918                 case HW_DESC_RXOWN:
 919                         SET_RX_STATUS_DESC_OWN(pdesc, 1);
 920                         break;
 921                 case HW_DESC_RXBUFF_ADDR:
 922                         SET_RX_STATUS__DESC_BUFF_ADDR(pdesc, *(u32 *) val);
 923                         break;
 924                 case HW_DESC_RXPKT_LEN:
 925                         SET_RX_STATUS_DESC_PKT_LEN(pdesc, *(u32 *) val);
 926                         break;
 927                 case HW_DESC_RXERO:
 928                         SET_RX_STATUS_DESC_EOR(pdesc, 1);
 929                         break;
 930                 default:
 931                         RT_ASSERT(false, ("ERR rxdesc :%d not process\n",
 932                                   desc_name));
 933                         break;
 934                 }
 935         }
 936 }
 937
 938 u32 rtl92se_get_desc(u8 *desc, bool istx, u8 desc_name)
 939 {
 940         u32 ret = 0;
 941
 942         if (istx == true) {
 943                 switch (desc_name) {
 944                 case HW_DESC_OWN:
 945                         ret = GET_TX_DESC_OWN(desc);
 946                         break;
 947                 case HW_DESC_TXBUFF_ADDR:
 948                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(desc);
 949                         break;
 950                 default:
 951                         RT_ASSERT(false, ("ERR txdesc :%d not process\n",
 952                                   desc_name));
 953                         break;
 954                 }
 955         } else {
 956                 switch (desc_name) {
 957                 case HW_DESC_OWN:
 958                         ret = GET_RX_STATUS_DESC_OWN(desc);
 959                         break;
 960                 case HW_DESC_RXPKT_LEN:
 961                         ret = GET_RX_STATUS_DESC_PKT_LEN(desc);
 962                         break;
 963                 default:
 964                         RT_ASSERT(false, ("ERR rxdesc :%d not process\n",
 965                                   desc_name));
 966                         break;
 967                 }
 968         }
 969         return ret;
 970 }
 971
 972 void rtl92se_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 973 {
 974         struct rtl_priv *rtlpriv = rtl_priv(hw);
 975         rtl_write_word(rtlpriv, TP_POLL, BIT(0) << (hw_queue));
 976 }