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 int _rtl92ce_rate_mapping(bool isht, u8 desc_rate, bool first_ampdu)
  52 {
  53         int rate_idx;
  54
  55         if (first_ampdu) {
  56                 if (false == isht) {
  57                         switch (desc_rate) {
  58                         case DESC92C_RATE1M:
  59                                 rate_idx = 0;
  60                                 break;
  61                         case DESC92C_RATE2M:
  62                                 rate_idx = 1;
  63                                 break;
  64                         case DESC92C_RATE5_5M:
  65                                 rate_idx = 2;
  66                                 break;
  67                         case DESC92C_RATE11M:
  68                                 rate_idx = 3;
  69                                 break;
  70                         case DESC92C_RATE6M:
  71                                 rate_idx = 4;
  72                                 break;
  73                         case DESC92C_RATE9M:
  74                                 rate_idx = 5;
  75                                 break;
  76                         case DESC92C_RATE12M:
  77                                 rate_idx = 6;
  78                                 break;
  79                         case DESC92C_RATE18M:
  80                                 rate_idx = 7;
  81                                 break;
  82                         case DESC92C_RATE24M:
  83                                 rate_idx = 8;
  84                                 break;
  85                         case DESC92C_RATE36M:
  86                                 rate_idx = 9;
  87                                 break;
  88                         case DESC92C_RATE48M:
  89                                 rate_idx = 10;
  90                                 break;
  91                         case DESC92C_RATE54M:
  92                                 rate_idx = 11;
  93                                 break;
  94                         default:
  95                                 rate_idx = 0;
  96                                 break;
  97                         }
  98                 } else {
  99                         rate_idx = 11;
 100                 }
 101
 102                 return rate_idx;
 103         }
 104
 105         switch (desc_rate) {
 106         case DESC92C_RATE1M:
 107                 rate_idx = 0;
 108                 break;
 109         case DESC92C_RATE2M:
 110                 rate_idx = 1;
 111                 break;
 112         case DESC92C_RATE5_5M:
 113                 rate_idx = 2;
 114                 break;
 115         case DESC92C_RATE11M:
 116                 rate_idx = 3;
 117                 break;
 118         case DESC92C_RATE6M:
 119                 rate_idx = 4;
 120                 break;
 121         case DESC92C_RATE9M:
 122                 rate_idx = 5;
 123                 break;
 124         case DESC92C_RATE12M:
 125                 rate_idx = 6;
 126                 break;
 127         case DESC92C_RATE18M:
 128                 rate_idx = 7;
 129                 break;
 130         case DESC92C_RATE24M:
 131                 rate_idx = 8;
 132                 break;
 133         case DESC92C_RATE36M:
 134                 rate_idx = 9;
 135                 break;
 136         case DESC92C_RATE48M:
 137                 rate_idx = 10;
 138                 break;
 139         case DESC92C_RATE54M:
 140                 rate_idx = 11;
 141                 break;
 142         default:
 143                 rate_idx = 11;
 144                 break;
 145         }
 146         return rate_idx;
 147 }
 148
 149 static u8 _rtl92c_query_rxpwrpercentage(char antpower)
 150 {
 151         if ((antpower <= -100) || (antpower >= 20))
 152                 return 0;
 153         else if (antpower >= 0)
 154                 return 100;
 155         else
 156                 return 100 + antpower;
 157 }
 158
 159 static u8 _rtl92c_evm_db_to_percentage(char value)
 160 {
 161         char ret_val;
 162         ret_val = value;
 163
 164         if (ret_val >= 0)
 165                 ret_val = 0;
 166
 167         if (ret_val <= -33)
 168                 ret_val = -33;
 169
 170         ret_val = 0 - ret_val;
 171         ret_val *= 3;
 172
 173         if (ret_val == 99)
 174                 ret_val = 100;
 175
 176         return ret_val;
 177 }
 178
 179 static long _rtl92ce_translate_todbm(struct ieee80211_hw *hw,
 180                                      u8 signal_strength_index)
 181 {
 182         long signal_power;
 183
 184         signal_power = (long)((signal_strength_index + 1) >> 1);
 185         signal_power -= 95;
 186         return signal_power;
 187 }
 188
 189 static long _rtl92ce_signal_scale_mapping(struct ieee80211_hw *hw,
 190                 long currsig)
 191 {
 192         long retsig;
 193
 194         if (currsig >= 61 && currsig <= 100)
 195                 retsig = 90 + ((currsig - 60) / 4);
 196         else if (currsig >= 41 && currsig <= 60)
 197                 retsig = 78 + ((currsig - 40) / 2);
 198         else if (currsig >= 31 && currsig <= 40)
 199                 retsig = 66 + (currsig - 30);
 200         else if (currsig >= 21 && currsig <= 30)
 201                 retsig = 54 + (currsig - 20);
 202         else if (currsig >= 5 && currsig <= 20)
 203                 retsig = 42 + (((currsig - 5) * 2) / 3);
 204         else if (currsig == 4)
 205                 retsig = 36;
 206         else if (currsig == 3)
 207                 retsig = 27;
 208         else if (currsig == 2)
 209                 retsig = 18;
 210         else if (currsig == 1)
 211                 retsig = 9;
 212         else
 213                 retsig = currsig;
 214
 215         return retsig;
 216 }
 217
 218 static void _rtl92ce_query_rxphystatus(struct ieee80211_hw *hw,
 219                                        struct rtl_stats *pstats,
 220                                        struct rx_desc_92c *pdesc,
 221                                        struct rx_fwinfo_92c *p_drvinfo,
 222                                        bool packet_match_bssid,
 223                                        bool packet_toself,
 224                                        bool packet_beacon)
 225 {
 226         struct rtl_priv *rtlpriv = rtl_priv(hw);
 227         struct phy_sts_cck_8192s_t *cck_buf;
 228         s8 rx_pwr_all = 0, rx_pwr[4];
 229         u8 evm, pwdb_all, rf_rx_num = 0;
 230         u8 i, max_spatial_stream;
 231         u32 rssi, total_rssi = 0;
 232         bool in_powersavemode = false;
 233         bool is_cck_rate;
 234
 235         is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc);
 236         pstats->packet_matchbssid = packet_match_bssid;
 237         pstats->packet_toself = packet_toself;
 238         pstats->is_cck = is_cck_rate;
 239         pstats->packet_beacon = packet_beacon;
 240         pstats->is_cck = is_cck_rate;
 241         pstats->rx_mimo_signalquality[0] = -1;
 242         pstats->rx_mimo_signalquality[1] = -1;
 243
 244         if (is_cck_rate) {
 245                 u8 report, cck_highpwr;
 246                 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
 247
 248                 if (!in_powersavemode)
 249                         cck_highpwr = (u8) rtl_get_bbreg(hw,
 250                                                  RFPGA0_XA_HSSIPARAMETER2,
 251                                                  BIT(9));
 252                 else
 253                         cck_highpwr = false;
 254
 255                 if (!cck_highpwr) {
 256                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 257                         report = cck_buf->cck_agc_rpt & 0xc0;
 258                         report = report >> 6;
 259                         switch (report) {
 260                         case 0x3:
 261                                 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
 262                                 break;
 263                         case 0x2:
 264                                 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
 265                                 break;
 266                         case 0x1:
 267                                 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
 268                                 break;
 269                         case 0x0:
 270                                 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
 271                                 break;
 272                         }
 273                 } else {
 274                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 275                         report = p_drvinfo->cfosho[0] & 0x60;
 276                         report = report >> 5;
 277                         switch (report) {
 278                         case 0x3:
 279                                 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
 280                                 break;
 281                         case 0x2:
 282                                 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
 283                                 break;
 284                         case 0x1:
 285                                 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
 286                                 break;
 287                         case 0x0:
 288                                 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
 289                                 break;
 290                         }
 291                 }
 292
 293                 pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
 294                 pstats->rx_pwdb_all = pwdb_all;
 295                 pstats->recvsignalpower = rx_pwr_all;
 296
 297                 if (packet_match_bssid) {
 298                         u8 sq;
 299                         if (pstats->rx_pwdb_all > 40)
 300                                 sq = 100;
 301                         else {
 302                                 sq = cck_buf->sq_rpt;
 303                                 if (sq > 64)
 304                                         sq = 0;
 305                                 else if (sq < 20)
 306                                         sq = 100;
 307                                 else
 308                                         sq = ((64 - sq) * 100) / 44;
 309                         }
 310
 311                         pstats->signalquality = sq;
 312                         pstats->rx_mimo_signalquality[0] = sq;
 313                         pstats->rx_mimo_signalquality[1] = -1;
 314                 }
 315         } else {
 316                 rtlpriv->dm.rfpath_rxenable[0] =
 317                     rtlpriv->dm.rfpath_rxenable[1] = true;
 318                 for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) {
 319                         if (rtlpriv->dm.rfpath_rxenable[i])
 320                                 rf_rx_num++;
 321
 322                         rx_pwr[i] =
 323                             ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110;
 324                         rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]);
 325                         total_rssi += rssi;
 326                         rtlpriv->stats.rx_snr_db[i] =
 327                             (long)(p_drvinfo->rxsnr[i] / 2);
 328
 329                         if (packet_match_bssid)
 330                                 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
 331                 }
 332
 333                 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 334                 pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all);
 335                 pstats->rx_pwdb_all = pwdb_all;
 336                 pstats->rxpower = rx_pwr_all;
 337                 pstats->recvsignalpower = rx_pwr_all;
 338
 339                 if (pdesc->rxht && pdesc->rxmcs >= DESC92C_RATEMCS8 &&
 340                     pdesc->rxmcs <= DESC92C_RATEMCS15)
 341                         max_spatial_stream = 2;
 342                 else
 343                         max_spatial_stream = 1;
 344
 345                 for (i = 0; i < max_spatial_stream; i++) {
 346                         evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 347
 348                         if (packet_match_bssid) {
 349                                 if (i == 0)
 350                                         pstats->signalquality =
 351                                             (u8) (evm & 0xff);
 352                                 pstats->rx_mimo_signalquality[i] =
 353                                     (u8) (evm & 0xff);
 354                         }
 355                 }
 356         }
 357
 358         if (is_cck_rate)
 359                 pstats->signalstrength =
 360                     (u8) (_rtl92ce_signal_scale_mapping(hw, pwdb_all));
 361         else if (rf_rx_num != 0)
 362                 pstats->signalstrength =
 363                     (u8) (_rtl92ce_signal_scale_mapping
 364                           (hw, total_rssi /= rf_rx_num));
 365 }
 366
 367 static void _rtl92ce_process_ui_rssi(struct ieee80211_hw *hw,
 368                 struct rtl_stats *pstats)
 369 {
 370         struct rtl_priv *rtlpriv = rtl_priv(hw);
 371         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 372         u8 rfpath;
 373         u32 last_rssi, tmpval;
 374
 375         if (pstats->packet_toself || pstats->packet_beacon) {
 376                 rtlpriv->stats.rssi_calculate_cnt++;
 377
 378                 if (rtlpriv->stats.ui_rssi.total_num++ >=
 379                     PHY_RSSI_SLID_WIN_MAX) {
 380
 381                         rtlpriv->stats.ui_rssi.total_num =
 382                             PHY_RSSI_SLID_WIN_MAX;
 383                         last_rssi =
 384                             rtlpriv->stats.ui_rssi.elements[rtlpriv->
 385                                                     stats.ui_rssi.index];
 386                         rtlpriv->stats.ui_rssi.total_val -= last_rssi;
 387                 }
 388
 389                 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
 390                 rtlpriv->stats.ui_rssi.elements[rtlpriv->stats.ui_rssi.
 391                                                 index++] =
 392                     pstats->signalstrength;
 393
 394                 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
 395                         rtlpriv->stats.ui_rssi.index = 0;
 396
 397                 tmpval = rtlpriv->stats.ui_rssi.total_val /
 398                     rtlpriv->stats.ui_rssi.total_num;
 399                 rtlpriv->stats.signal_strength =
 400                     _rtl92ce_translate_todbm(hw, (u8) tmpval);
 401                 pstats->rssi = rtlpriv->stats.signal_strength;
 402         }
 403
 404         if (!pstats->is_cck && pstats->packet_toself) {
 405                 for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
 406                      rfpath++) {
 407                         if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
 408                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 409                                     pstats->rx_mimo_signalstrength[rfpath];
 410
 411                         }
 412
 413                         if (pstats->rx_mimo_signalstrength[rfpath] >
 414                             rtlpriv->stats.rx_rssi_percentage[rfpath]) {
 415                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 416                                     ((rtlpriv->stats.
 417                                       rx_rssi_percentage[rfpath] *
 418                                       (RX_SMOOTH_FACTOR - 1)) +
 419                                      (pstats->rx_mimo_signalstrength[rfpath])) /
 420                                     (RX_SMOOTH_FACTOR);
 421
 422                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 423                                     rtlpriv->stats.rx_rssi_percentage[rfpath] +
 424                                     1;
 425                         } else {
 426                                 rtlpriv->stats.rx_rssi_percentage[rfpath] =
 427                                     ((rtlpriv->stats.
 428                                       rx_rssi_percentage[rfpath] *
 429                                       (RX_SMOOTH_FACTOR - 1)) +
 430                                      (pstats->rx_mimo_signalstrength[rfpath])) /
 431                                     (RX_SMOOTH_FACTOR);
 432                         }
 433
 434                 }
 435         }
 436 }
 437
 438 static void _rtl92ce_update_rxsignalstatistics(struct ieee80211_hw *hw,
 439                                                struct rtl_stats *pstats)
 440 {
 441         struct rtl_priv *rtlpriv = rtl_priv(hw);
 442         int weighting = 0;
 443
 444         if (rtlpriv->stats.recv_signal_power == 0)
 445                 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
 446
 447         if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
 448                 weighting = 5;
 449
 450         else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
 451                 weighting = (-5);
 452
 453         rtlpriv->stats.recv_signal_power =
 454             (rtlpriv->stats.recv_signal_power * 5 +
 455              pstats->recvsignalpower + weighting) / 6;
 456 }
 457
 458 static void _rtl92ce_process_pwdb(struct ieee80211_hw *hw,
 459                 struct rtl_stats *pstats)
 460 {
 461         struct rtl_priv *rtlpriv = rtl_priv(hw);
 462         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 463         long undecorated_smoothed_pwdb;
 464
 465         if (mac->opmode == NL80211_IFTYPE_ADHOC) {
 466                 return;
 467         } else {
 468                 undecorated_smoothed_pwdb =
 469                     rtlpriv->dm.undecorated_smoothed_pwdb;
 470         }
 471
 472         if (pstats->packet_toself || pstats->packet_beacon) {
 473                 if (undecorated_smoothed_pwdb < 0)
 474                         undecorated_smoothed_pwdb = pstats->rx_pwdb_all;
 475
 476                 if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) {
 477                         undecorated_smoothed_pwdb =
 478                             (((undecorated_smoothed_pwdb) *
 479                               (RX_SMOOTH_FACTOR - 1)) +
 480                              (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
 481
 482                         undecorated_smoothed_pwdb = undecorated_smoothed_pwdb
 483                             + 1;
 484                 } else {
 485                         undecorated_smoothed_pwdb =
 486                             (((undecorated_smoothed_pwdb) *
 487                               (RX_SMOOTH_FACTOR - 1)) +
 488                              (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
 489                 }
 490
 491                 rtlpriv->dm.undecorated_smoothed_pwdb =
 492                     undecorated_smoothed_pwdb;
 493                 _rtl92ce_update_rxsignalstatistics(hw, pstats);
 494         }
 495 }
 496
 497 static void _rtl92ce_process_ui_link_quality(struct ieee80211_hw *hw,
 498                                              struct rtl_stats *pstats)
 499 {
 500         struct rtl_priv *rtlpriv = rtl_priv(hw);
 501         u32 last_evm, n_spatialstream, tmpval;
 502
 503         if (pstats->signalquality != 0) {
 504                 if (pstats->packet_toself || pstats->packet_beacon) {
 505
 506                         if (rtlpriv->stats.ui_link_quality.total_num++ >=
 507                             PHY_LINKQUALITY_SLID_WIN_MAX) {
 508                                 rtlpriv->stats.ui_link_quality.total_num =
 509                                     PHY_LINKQUALITY_SLID_WIN_MAX;
 510                                 last_evm =
 511                                     rtlpriv->stats.
 512                                     ui_link_quality.elements[rtlpriv->
 513                                                           stats.ui_link_quality.
 514                                                           index];
 515                                 rtlpriv->stats.ui_link_quality.total_val -=
 516                                     last_evm;
 517                         }
 518
 519                         rtlpriv->stats.ui_link_quality.total_val +=
 520                             pstats->signalquality;
 521                         rtlpriv->stats.ui_link_quality.elements[rtlpriv->stats.
 522                                                                 ui_link_quality.
 523                                                                 index++] =
 524                             pstats->signalquality;
 525
 526                         if (rtlpriv->stats.ui_link_quality.index >=
 527                             PHY_LINKQUALITY_SLID_WIN_MAX)
 528                                 rtlpriv->stats.ui_link_quality.index = 0;
 529
 530                         tmpval = rtlpriv->stats.ui_link_quality.total_val /
 531                             rtlpriv->stats.ui_link_quality.total_num;
 532                         rtlpriv->stats.signal_quality = tmpval;
 533
 534                         rtlpriv->stats.last_sigstrength_inpercent = tmpval;
 535
 536                         for (n_spatialstream = 0; n_spatialstream < 2;
 537                              n_spatialstream++) {
 538                                 if (pstats->
 539                                     rx_mimo_signalquality[n_spatialstream] !=
 540                                     -1) {
 541                                         if (rtlpriv->stats.
 542                                             rx_evm_percentage[n_spatialstream]
 543                                             == 0) {
 544                                                 rtlpriv->stats.
 545                                                    rx_evm_percentage
 546                                                    [n_spatialstream] =
 547                                                    pstats->rx_mimo_signalquality
 548                                                    [n_spatialstream];
 549                                         }
 550
 551                                         rtlpriv->stats.
 552                                             rx_evm_percentage[n_spatialstream] =
 553                                             ((rtlpriv->
 554                                               stats.rx_evm_percentage
 555                                               [n_spatialstream] *
 556                                               (RX_SMOOTH_FACTOR - 1)) +
 557                                              (pstats->
 558                                               rx_mimo_signalquality
 559                                               [n_spatialstream] * 1)) /
 560                                             (RX_SMOOTH_FACTOR);
 561                                 }
 562                         }
 563                 }
 564         } else {
 565                 ;
 566         }
 567 }
 568
 569 static void _rtl92ce_process_phyinfo(struct ieee80211_hw *hw,
 570                                      u8 *buffer,
 571                                      struct rtl_stats *pcurrent_stats)
 572 {
 573
 574         if (!pcurrent_stats->packet_matchbssid &&
 575             !pcurrent_stats->packet_beacon)
 576                 return;
 577
 578         _rtl92ce_process_ui_rssi(hw, pcurrent_stats);
 579         _rtl92ce_process_pwdb(hw, pcurrent_stats);
 580         _rtl92ce_process_ui_link_quality(hw, pcurrent_stats);
 581 }
 582
 583 static void _rtl92ce_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 584                                                struct sk_buff *skb,
 585                                                struct rtl_stats *pstats,
 586                                                struct rx_desc_92c *pdesc,
 587                                                struct rx_fwinfo_92c *p_drvinfo)
 588 {
 589         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 590         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 591
 592         struct ieee80211_hdr *hdr;
 593         u8 *tmp_buf;
 594         u8 *praddr;
 595         __le16 fc;
 596         u16 type, c_fc;
 597         bool packet_matchbssid, packet_toself, packet_beacon;
 598
 599         tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
 600
 601         hdr = (struct ieee80211_hdr *)tmp_buf;
 602         fc = hdr->frame_control;
 603         c_fc = le16_to_cpu(fc);
 604         type = WLAN_FC_GET_TYPE(fc);
 605         praddr = hdr->addr1;
 606
 607         packet_matchbssid =
 608             ((IEEE80211_FTYPE_CTL != type) &&
 609              (!compare_ether_addr(mac->bssid,
 610                                   (c_fc & IEEE80211_FCTL_TODS) ?
 611                                   hdr->addr1 : (c_fc & IEEE80211_FCTL_FROMDS) ?
 612                                   hdr->addr2 : hdr->addr3)) &&
 613              (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv));
 614
 615         packet_toself = packet_matchbssid &&
 616             (!compare_ether_addr(praddr, rtlefuse->dev_addr));
 617
 618         if (ieee80211_is_beacon(fc))
 619                 packet_beacon = true;
 620
 621         _rtl92ce_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
 622                                    packet_matchbssid, packet_toself,
 623                                    packet_beacon);
 624
 625         _rtl92ce_process_phyinfo(hw, tmp_buf, pstats);
 626 }
 627
 628 bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,
 629                            struct rtl_stats *stats,
 630                            struct ieee80211_rx_status *rx_status,
 631                            u8 *p_desc, struct sk_buff *skb)
 632 {
 633         struct rx_fwinfo_92c *p_drvinfo;
 634         struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
 635
 636         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 637         stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
 638         stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 639             RX_DRV_INFO_SIZE_UNIT;
 640         stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
 641         stats->icv = (u16) GET_RX_DESC_ICV(pdesc);
 642         stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
 643         stats->hwerror = (stats->crc | stats->icv);
 644         stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 645         stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
 646         stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
 647         stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 648         stats->isampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
 649                                    && (GET_RX_DESC_FAGGR(pdesc) == 1));
 650         stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 651         stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
 652
 653         rx_status->freq = hw->conf.channel->center_freq;
 654         rx_status->band = hw->conf.channel->band;
 655
 656         if (GET_RX_DESC_CRC32(pdesc))
 657                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 658
 659         if (!GET_RX_DESC_SWDEC(pdesc))
 660                 rx_status->flag |= RX_FLAG_DECRYPTED;
 661
 662         if (GET_RX_DESC_BW(pdesc))
 663                 rx_status->flag |= RX_FLAG_40MHZ;
 664
 665         if (GET_RX_DESC_RXHT(pdesc))
 666                 rx_status->flag |= RX_FLAG_HT;
 667
 668         rx_status->flag |= RX_FLAG_MACTIME_MPDU;
 669
 670         if (stats->decrypted)
 671                 rx_status->flag |= RX_FLAG_DECRYPTED;
 672
 673         rx_status->rate_idx = _rtl92ce_rate_mapping((bool)
 674                                                     GET_RX_DESC_RXHT(pdesc),
 675                                                     (u8)
 676                                                     GET_RX_DESC_RXMCS(pdesc),
 677                                                     (bool)
 678                                                     GET_RX_DESC_PAGGR(pdesc));
 679
 680         rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
 681         if (phystatus) {
 682                 p_drvinfo = (struct rx_fwinfo_92c *)(skb->data +
 683                                                      stats->rx_bufshift);
 684
 685                 _rtl92ce_translate_rx_signal_stuff(hw,
 686                                                    skb, stats, pdesc,
 687                                                    p_drvinfo);
 688         }
 689
 690         /*rx_status->qual = stats->signal; */
 691         rx_status->signal = stats->rssi + 10;
 692         /*rx_status->noise = -stats->noise; */
 693
 694         return true;
 695 }
 696
 697 void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
 698                           struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 699                           struct ieee80211_tx_info *info, struct sk_buff *skb,
 700                           u8 hw_queue, struct rtl_tcb_desc *tcb_desc)
 701 {
 702         struct rtl_priv *rtlpriv = rtl_priv(hw);
 703         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 704         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 705         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 706         bool defaultadapter = true;
 707         struct ieee80211_sta *sta;
 708         u8 *pdesc = (u8 *) pdesc_tx;
 709         u16 seq_number;
 710         __le16 fc = hdr->frame_control;
 711         u8 fw_qsel = _rtl92ce_map_hwqueue_to_fwqueue(skb, hw_queue);
 712         bool firstseg = ((hdr->seq_ctrl &
 713                           cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 714
 715         bool lastseg = ((hdr->frame_control &
 716                          cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 717
 718         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 719                                             skb->data, skb->len,
 720                                             PCI_DMA_TODEVICE);
 721         u8 bw_40 = 0;
 722
 723         rcu_read_lock();
 724         sta = get_sta(hw, mac->vif, mac->bssid);
 725         if (mac->opmode == NL80211_IFTYPE_STATION) {
 726                 bw_40 = mac->bw_40;
 727         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 728                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 729                 if (sta)
 730                         bw_40 = sta->ht_cap.cap &
 731                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 732         }
 733
 734         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 735
 736         rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc);
 737
 738         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92c));
 739
 740         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 741                 firstseg = true;
 742                 lastseg = true;
 743         }
 744         if (firstseg) {
 745                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 746
 747                 SET_TX_DESC_TX_RATE(pdesc, tcb_desc->hw_rate);
 748
 749                 if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble)
 750                         SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
 751
 752                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 753                         SET_TX_DESC_AGG_BREAK(pdesc, 1);
 754                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 755                 }
 756                 SET_TX_DESC_SEQ(pdesc, seq_number);
 757
 758                 SET_TX_DESC_RTS_ENABLE(pdesc, ((tcb_desc->rts_enable &&
 759                                                 !tcb_desc->
 760                                                 cts_enable) ? 1 : 0));
 761                 SET_TX_DESC_HW_RTS_ENABLE(pdesc,
 762                                           ((tcb_desc->rts_enable
 763                                             || tcb_desc->cts_enable) ? 1 : 0));
 764                 SET_TX_DESC_CTS2SELF(pdesc, ((tcb_desc->cts_enable) ? 1 : 0));
 765                 SET_TX_DESC_RTS_STBC(pdesc, ((tcb_desc->rts_stbc) ? 1 : 0));
 766
 767                 SET_TX_DESC_RTS_RATE(pdesc, tcb_desc->rts_rate);
 768                 SET_TX_DESC_RTS_BW(pdesc, 0);
 769                 SET_TX_DESC_RTS_SC(pdesc, tcb_desc->rts_sc);
 770                 SET_TX_DESC_RTS_SHORT(pdesc,
 771                                       ((tcb_desc->rts_rate <= DESC92C_RATE54M) ?
 772                                        (tcb_desc->rts_use_shortpreamble ? 1 : 0)
 773                                        : (tcb_desc->rts_use_shortgi ? 1 : 0)));
 774
 775                 if (bw_40) {
 776                         if (tcb_desc->packet_bw) {
 777                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 778                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 779                         } else {
 780                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 781                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
 782                                                  mac->cur_40_prime_sc);
 783                         }
 784                 } else {
 785                         SET_TX_DESC_DATA_BW(pdesc, 0);
 786                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 787                 }
 788
 789                 SET_TX_DESC_LINIP(pdesc, 0);
 790                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
 791
 792                 if (sta) {
 793                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 794                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 795                 }
 796
 797                 if (info->control.hw_key) {
 798                         struct ieee80211_key_conf *keyconf =
 799                             info->control.hw_key;
 800
 801                         switch (keyconf->cipher) {
 802                         case WLAN_CIPHER_SUITE_WEP40:
 803                         case WLAN_CIPHER_SUITE_WEP104:
 804                         case WLAN_CIPHER_SUITE_TKIP:
 805                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 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_TX_DESC_PKT_ID(pdesc, 0);
 818                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 819
 820                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 821                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 822                 SET_TX_DESC_DISABLE_FB(pdesc, 0);
 823                 SET_TX_DESC_USE_RATE(pdesc, tcb_desc->use_driver_rate ? 1 : 0);
 824
 825                 if (ieee80211_is_data_qos(fc)) {
 826                         if (mac->rdg_en) {
 827                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 828                                          ("Enable RDG function.\n"));
 829                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 830                                 SET_TX_DESC_HTC(pdesc, 1);
 831                         }
 832                 }
 833         }
 834         rcu_read_unlock();
 835
 836         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 837         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 838
 839         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
 840
 841         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 842
 843         if (rtlpriv->dm.useramask) {
 844                 SET_TX_DESC_RATE_ID(pdesc, tcb_desc->ratr_index);
 845                 SET_TX_DESC_MACID(pdesc, tcb_desc->mac_id);
 846         } else {
 847                 SET_TX_DESC_RATE_ID(pdesc, 0xC + tcb_desc->ratr_index);
 848                 SET_TX_DESC_MACID(pdesc, tcb_desc->ratr_index);
 849         }
 850
 851         if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
 852                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 853                 SET_TX_DESC_PKT_ID(pdesc, 8);
 854
 855                 if (!defaultadapter)
 856                         SET_TX_DESC_QOS(pdesc, 1);
 857         }
 858
 859         SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 860
 861         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 862             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 863                 SET_TX_DESC_BMC(pdesc, 1);
 864         }
 865
 866         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, ("\n"));
 867 }
 868
 869 void rtl92ce_tx_fill_cmddesc(struct ieee80211_hw *hw,
 870                              u8 *pdesc, bool firstseg,
 871                              bool lastseg, struct sk_buff *skb)
 872 {
 873         struct rtl_priv *rtlpriv = rtl_priv(hw);
 874         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 875         u8 fw_queue = QSLT_BEACON;
 876
 877         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 878                                             skb->data, skb->len,
 879                                             PCI_DMA_TODEVICE);
 880
 881         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
 882         __le16 fc = hdr->frame_control;
 883
 884         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 885
 886         if (firstseg)
 887                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 888
 889         SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
 890
 891         SET_TX_DESC_SEQ(pdesc, 0);
 892
 893         SET_TX_DESC_LINIP(pdesc, 0);
 894
 895         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 896
 897         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 898         SET_TX_DESC_LAST_SEG(pdesc, 1);
 899
 900         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
 901
 902         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 903
 904         SET_TX_DESC_RATE_ID(pdesc, 7);
 905         SET_TX_DESC_MACID(pdesc, 0);
 906
 907         SET_TX_DESC_OWN(pdesc, 1);
 908
 909         SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len));
 910
 911         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 912         SET_TX_DESC_LAST_SEG(pdesc, 1);
 913
 914         SET_TX_DESC_OFFSET(pdesc, 0x20);
 915
 916         SET_TX_DESC_USE_RATE(pdesc, 1);
 917
 918         if (!ieee80211_is_data_qos(fc)) {
 919                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 920                 SET_TX_DESC_PKT_ID(pdesc, 8);
 921         }
 922
 923         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 924                       "H2C Tx Cmd Content\n",
 925                       pdesc, TX_DESC_SIZE);
 926 }
 927
 928 void rtl92ce_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
 929 {
 930         if (istx) {
 931                 switch (desc_name) {
 932                 case HW_DESC_OWN:
 933                         wmb();
 934                         SET_TX_DESC_OWN(pdesc, 1);
 935                         break;
 936                 case HW_DESC_TX_NEXTDESC_ADDR:
 937                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
 938                         break;
 939                 default:
 940                         RT_ASSERT(false, ("ERR txdesc :%d"
 941                                           " not process\n", desc_name));
 942                         break;
 943                 }
 944         } else {
 945                 switch (desc_name) {
 946                 case HW_DESC_RXOWN:
 947                         wmb();
 948                         SET_RX_DESC_OWN(pdesc, 1);
 949                         break;
 950                 case HW_DESC_RXBUFF_ADDR:
 951                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
 952                         break;
 953                 case HW_DESC_RXPKT_LEN:
 954                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
 955                         break;
 956                 case HW_DESC_RXERO:
 957                         SET_RX_DESC_EOR(pdesc, 1);
 958                         break;
 959                 default:
 960                         RT_ASSERT(false, ("ERR rxdesc :%d "
 961                                           "not process\n", desc_name));
 962                         break;
 963                 }
 964         }
 965 }
 966
 967 u32 rtl92ce_get_desc(u8 *p_desc, bool istx, u8 desc_name)
 968 {
 969         u32 ret = 0;
 970
 971         if (istx) {
 972                 switch (desc_name) {
 973                 case HW_DESC_OWN:
 974                         ret = GET_TX_DESC_OWN(p_desc);
 975                         break;
 976                 case HW_DESC_TXBUFF_ADDR:
 977                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc);
 978                         break;
 979                 default:
 980                         RT_ASSERT(false, ("ERR txdesc :%d "
 981                                           "not process\n", desc_name));
 982                         break;
 983                 }
 984         } else {
 985                 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
 986                 switch (desc_name) {
 987                 case HW_DESC_OWN:
 988                         ret = GET_RX_DESC_OWN(pdesc);
 989                         break;
 990                 case HW_DESC_RXPKT_LEN:
 991                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 992                         break;
 993                 default:
 994                         RT_ASSERT(false, ("ERR rxdesc :%d "
 995                                           "not process\n", desc_name));
 996                         break;
 997                 }
 998         }
 999         return ret;
1000 }
1001
1002 void rtl92ce_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
1003 {
1004         struct rtl_priv *rtlpriv = rtl_priv(hw);
1005         if (hw_queue == BEACON_QUEUE) {
1006                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
1007         } else {
1008                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
1009                                BIT(0) << (hw_queue));
1010         }
1011 }
1012