drivers/net/wireless/rtlwifi/rtl8192de/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 _rtl92de_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 _rtl92de_rate_mapping(bool isht, u8 desc_rate)
  52 {
  53         int rate_idx;
  54
  55         if (false == isht) {
  56                 switch (desc_rate) {
  57                 case DESC92D_RATE1M:
  58                         rate_idx = 0;
  59                         break;
  60                 case DESC92D_RATE2M:
  61                         rate_idx = 1;
  62                         break;
  63                 case DESC92D_RATE5_5M:
  64                         rate_idx = 2;
  65                         break;
  66                 case DESC92D_RATE11M:
  67                         rate_idx = 3;
  68                         break;
  69                 case DESC92D_RATE6M:
  70                         rate_idx = 4;
  71                         break;
  72                 case DESC92D_RATE9M:
  73                         rate_idx = 5;
  74                         break;
  75                 case DESC92D_RATE12M:
  76                         rate_idx = 6;
  77                         break;
  78                 case DESC92D_RATE18M:
  79                         rate_idx = 7;
  80                         break;
  81                 case DESC92D_RATE24M:
  82                         rate_idx = 8;
  83                         break;
  84                 case DESC92D_RATE36M:
  85                         rate_idx = 9;
  86                         break;
  87                 case DESC92D_RATE48M:
  88                         rate_idx = 10;
  89                         break;
  90                 case DESC92D_RATE54M:
  91                         rate_idx = 11;
  92                         break;
  93                 default:
  94                         rate_idx = 0;
  95                         break;
  96                 }
  97                 return rate_idx;
  98         } else {
  99                 switch (desc_rate) {
 100                 case DESC92D_RATE1M:
 101                         rate_idx = 0;
 102                         break;
 103                 case DESC92D_RATE2M:
 104                         rate_idx = 1;
 105                         break;
 106                 case DESC92D_RATE5_5M:
 107                         rate_idx = 2;
 108                         break;
 109                 case DESC92D_RATE11M:
 110                         rate_idx = 3;
 111                         break;
 112                 case DESC92D_RATE6M:
 113                         rate_idx = 4;
 114                         break;
 115                 case DESC92D_RATE9M:
 116                         rate_idx = 5;
 117                         break;
 118                 case DESC92D_RATE12M:
 119                         rate_idx = 6;
 120                         break;
 121                 case DESC92D_RATE18M:
 122                         rate_idx = 7;
 123                         break;
 124                 case DESC92D_RATE24M:
 125                         rate_idx = 8;
 126                         break;
 127                 case DESC92D_RATE36M:
 128                         rate_idx = 9;
 129                         break;
 130                 case DESC92D_RATE48M:
 131                         rate_idx = 10;
 132                         break;
 133                 case DESC92D_RATE54M:
 134                         rate_idx = 11;
 135                         break;
 136                 default:
 137                         rate_idx = 11;
 138                         break;
 139                 }
 140                 return rate_idx;
 141         }
 142 }
 143
 144 static u8 _rtl92d_query_rxpwrpercentage(char antpower)
 145 {
 146         if ((antpower <= -100) || (antpower >= 20))
 147                 return 0;
 148         else if (antpower >= 0)
 149                 return 100;
 150         else
 151                 return 100 + antpower;
 152 }
 153
 154 static u8 _rtl92d_evm_db_to_percentage(char value)
 155 {
 156         char ret_val = value;
 157
 158         if (ret_val >= 0)
 159                 ret_val = 0;
 160         if (ret_val <= -33)
 161                 ret_val = -33;
 162         ret_val = 0 - ret_val;
 163         ret_val *= 3;
 164         if (ret_val == 99)
 165                 ret_val = 100;
 166         return ret_val;
 167 }
 168
 169 static long _rtl92de_translate_todbm(struct ieee80211_hw *hw,
 170                                      u8 signal_strength_index)
 171 {
 172         long signal_power;
 173
 174         signal_power = (long)((signal_strength_index + 1) >> 1);
 175         signal_power -= 95;
 176         return signal_power;
 177 }
 178
 179 static long _rtl92de_signal_scale_mapping(struct ieee80211_hw *hw, long currsig)
 180 {
 181         long retsig;
 182
 183         if (currsig >= 61 && currsig <= 100)
 184                 retsig = 90 + ((currsig - 60) / 4);
 185         else if (currsig >= 41 && currsig <= 60)
 186                 retsig = 78 + ((currsig - 40) / 2);
 187         else if (currsig >= 31 && currsig <= 40)
 188                 retsig = 66 + (currsig - 30);
 189         else if (currsig >= 21 && currsig <= 30)
 190                 retsig = 54 + (currsig - 20);
 191         else if (currsig >= 5 && currsig <= 20)
 192                 retsig = 42 + (((currsig - 5) * 2) / 3);
 193         else if (currsig == 4)
 194                 retsig = 36;
 195         else if (currsig == 3)
 196                 retsig = 27;
 197         else if (currsig == 2)
 198                 retsig = 18;
 199         else if (currsig == 1)
 200                 retsig = 9;
 201         else
 202                 retsig = currsig;
 203         return retsig;
 204 }
 205
 206 static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw,
 207                                        struct rtl_stats *pstats,
 208                                        struct rx_desc_92d *pdesc,
 209                                        struct rx_fwinfo_92d *p_drvinfo,
 210                                        bool packet_match_bssid,
 211                                        bool packet_toself,
 212                                        bool packet_beacon)
 213 {
 214         struct rtl_priv *rtlpriv = rtl_priv(hw);
 215         struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
 216         struct phy_sts_cck_8192d *cck_buf;
 217         s8 rx_pwr_all, rx_pwr[4];
 218         u8 rf_rx_num = 0, evm, pwdb_all;
 219         u8 i, max_spatial_stream;
 220         u32 rssi, total_rssi = 0;
 221         bool is_cck_rate;
 222
 223         is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc);
 224         pstats->packet_matchbssid = packet_match_bssid;
 225         pstats->packet_toself = packet_toself;
 226         pstats->packet_beacon = packet_beacon;
 227         pstats->is_cck = is_cck_rate;
 228         pstats->rx_mimo_signalquality[0] = -1;
 229         pstats->rx_mimo_signalquality[1] = -1;
 230
 231         if (is_cck_rate) {
 232                 u8 report, cck_highpwr;
 233                 cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo;
 234                 if (ppsc->rfpwr_state == ERFON)
 235                         cck_highpwr = (u8) rtl_get_bbreg(hw,
 236                                                  RFPGA0_XA_HSSIPARAMETER2,
 237                                                  BIT(9));
 238                 else
 239                         cck_highpwr = false;
 240                 if (!cck_highpwr) {
 241                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 242                         report = cck_buf->cck_agc_rpt & 0xc0;
 243                         report = report >> 6;
 244                         switch (report) {
 245                         case 0x3:
 246                                 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
 247                                 break;
 248                         case 0x2:
 249                                 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
 250                                 break;
 251                         case 0x1:
 252                                 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
 253                                 break;
 254                         case 0x0:
 255                                 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
 256                                 break;
 257                         }
 258                 } else {
 259                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 260                         report = p_drvinfo->cfosho[0] & 0x60;
 261                         report = report >> 5;
 262                         switch (report) {
 263                         case 0x3:
 264                                 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
 265                                 break;
 266                         case 0x2:
 267                                 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
 268                                 break;
 269                         case 0x1:
 270                                 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
 271                                 break;
 272                         case 0x0:
 273                                 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
 274                                 break;
 275                         }
 276                 }
 277                 pwdb_all = _rtl92d_query_rxpwrpercentage(rx_pwr_all);
 278                 /* CCK gain is smaller than OFDM/MCS gain,  */
 279                 /* so we add gain diff by experiences, the val is 6 */
 280                 pwdb_all += 6;
 281                 if (pwdb_all > 100)
 282                         pwdb_all = 100;
 283                 /* modify the offset to make the same gain index with OFDM. */
 284                 if (pwdb_all > 34 && pwdb_all <= 42)
 285                         pwdb_all -= 2;
 286                 else if (pwdb_all > 26 && pwdb_all <= 34)
 287                         pwdb_all -= 6;
 288                 else if (pwdb_all > 14 && pwdb_all <= 26)
 289                         pwdb_all -= 8;
 290                 else if (pwdb_all > 4 && pwdb_all <= 14)
 291                         pwdb_all -= 4;
 292                 pstats->rx_pwdb_all = pwdb_all;
 293                 pstats->recvsignalpower = rx_pwr_all;
 294                 if (packet_match_bssid) {
 295                         u8 sq;
 296                         if (pstats->rx_pwdb_all > 40) {
 297                                 sq = 100;
 298                         } else {
 299                                 sq = cck_buf->sq_rpt;
 300                                 if (sq > 64)
 301                                         sq = 0;
 302                                 else if (sq < 20)
 303                                         sq = 100;
 304                                 else
 305                                         sq = ((64 - sq) * 100) / 44;
 306                         }
 307                         pstats->signalquality = sq;
 308                         pstats->rx_mimo_signalquality[0] = sq;
 309                         pstats->rx_mimo_signalquality[1] = -1;
 310                 }
 311         } else {
 312                 rtlpriv->dm.rfpath_rxenable[0] = true;
 313                 rtlpriv->dm.rfpath_rxenable[1] = true;
 314                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 315                         if (rtlpriv->dm.rfpath_rxenable[i])
 316                                 rf_rx_num++;
 317                         rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2)
 318                                     - 110;
 319                         rssi = _rtl92d_query_rxpwrpercentage(rx_pwr[i]);
 320                         total_rssi += rssi;
 321                         rtlpriv->stats.rx_snr_db[i] =
 322                                          (long)(p_drvinfo->rxsnr[i] / 2);
 323                         if (packet_match_bssid)
 324                                 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
 325                 }
 326                 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 106;
 327                 pwdb_all = _rtl92d_query_rxpwrpercentage(rx_pwr_all);
 328                 pstats->rx_pwdb_all = pwdb_all;
 329                 pstats->rxpower = rx_pwr_all;
 330                 pstats->recvsignalpower = rx_pwr_all;
 331                 if (pdesc->rxht && pdesc->rxmcs >= DESC92D_RATEMCS8 &&
 332                     pdesc->rxmcs <= DESC92D_RATEMCS15)
 333                         max_spatial_stream = 2;
 334                 else
 335                         max_spatial_stream = 1;
 336                 for (i = 0; i < max_spatial_stream; i++) {
 337                         evm = _rtl92d_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 338                         if (packet_match_bssid) {
 339                                 if (i == 0)
 340                                         pstats->signalquality =
 341                                                  (u8)(evm & 0xff);
 342                                 pstats->rx_mimo_signalquality[i] =
 343                                                  (u8)(evm & 0xff);
 344                         }
 345                 }
 346         }
 347         if (is_cck_rate)
 348                 pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw,
 349                                 pwdb_all));
 350         else if (rf_rx_num != 0)
 351                 pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw,
 352                                 total_rssi /= rf_rx_num));
 353 }
 354
 355 static void rtl92d_loop_over_paths(struct ieee80211_hw *hw,
 356                                    struct rtl_stats *pstats)
 357 {
 358         struct rtl_priv *rtlpriv = rtl_priv(hw);
 359         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 360         u8 rfpath;
 361
 362         for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
 363              rfpath++) {
 364                 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
 365                         rtlpriv->stats.rx_rssi_percentage[rfpath] =
 366                             pstats->rx_mimo_signalstrength[rfpath];
 367
 368                 }
 369                 if (pstats->rx_mimo_signalstrength[rfpath] >
 370                     rtlpriv->stats.rx_rssi_percentage[rfpath]) {
 371                         rtlpriv->stats.rx_rssi_percentage[rfpath] =
 372                             ((rtlpriv->stats.rx_rssi_percentage[rfpath] *
 373                               (RX_SMOOTH_FACTOR - 1)) +
 374                              (pstats->rx_mimo_signalstrength[rfpath])) /
 375                             (RX_SMOOTH_FACTOR);
 376                         rtlpriv->stats.rx_rssi_percentage[rfpath] =
 377                             rtlpriv->stats.rx_rssi_percentage[rfpath] + 1;
 378                 } else {
 379                         rtlpriv->stats.rx_rssi_percentage[rfpath] =
 380                             ((rtlpriv->stats.rx_rssi_percentage[rfpath] *
 381                               (RX_SMOOTH_FACTOR - 1)) +
 382                              (pstats->rx_mimo_signalstrength[rfpath])) /
 383                             (RX_SMOOTH_FACTOR);
 384                 }
 385         }
 386 }
 387
 388 static void _rtl92de_process_ui_rssi(struct ieee80211_hw *hw,
 389                                      struct rtl_stats *pstats)
 390 {
 391         struct rtl_priv *rtlpriv = rtl_priv(hw);
 392         u32 last_rssi, tmpval;
 393
 394         if (pstats->packet_toself || pstats->packet_beacon) {
 395                 rtlpriv->stats.rssi_calculate_cnt++;
 396                 if (rtlpriv->stats.ui_rssi.total_num++ >=
 397                     PHY_RSSI_SLID_WIN_MAX) {
 398                         rtlpriv->stats.ui_rssi.total_num =
 399                                                  PHY_RSSI_SLID_WIN_MAX;
 400                         last_rssi = rtlpriv->stats.ui_rssi.elements[
 401                                 rtlpriv->stats.ui_rssi.index];
 402                         rtlpriv->stats.ui_rssi.total_val -= last_rssi;
 403                 }
 404                 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
 405                 rtlpriv->stats.ui_rssi.elements
 406                         [rtlpriv->stats.ui_rssi.index++] =
 407                         pstats->signalstrength;
 408                 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
 409                         rtlpriv->stats.ui_rssi.index = 0;
 410                 tmpval = rtlpriv->stats.ui_rssi.total_val /
 411                         rtlpriv->stats.ui_rssi.total_num;
 412                 rtlpriv->stats.signal_strength = _rtl92de_translate_todbm(hw,
 413                         (u8) tmpval);
 414                 pstats->rssi = rtlpriv->stats.signal_strength;
 415         }
 416         if (!pstats->is_cck && pstats->packet_toself)
 417                 rtl92d_loop_over_paths(hw, pstats);
 418 }
 419
 420 static void _rtl92de_update_rxsignalstatistics(struct ieee80211_hw *hw,
 421                                                struct rtl_stats *pstats)
 422 {
 423         struct rtl_priv *rtlpriv = rtl_priv(hw);
 424         int weighting = 0;
 425
 426         if (rtlpriv->stats.recv_signal_power == 0)
 427                 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
 428         if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
 429                 weighting = 5;
 430         else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
 431                 weighting = (-5);
 432         rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power *
 433                 5 + pstats->recvsignalpower + weighting) / 6;
 434 }
 435
 436 static void _rtl92de_process_pwdb(struct ieee80211_hw *hw,
 437                                   struct rtl_stats *pstats)
 438 {
 439         struct rtl_priv *rtlpriv = rtl_priv(hw);
 440         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 441         long undecorated_smoothed_pwdb;
 442
 443         if (mac->opmode == NL80211_IFTYPE_ADHOC ||
 444                 mac->opmode == NL80211_IFTYPE_AP)
 445                 return;
 446         else
 447                 undecorated_smoothed_pwdb =
 448                     rtlpriv->dm.undecorated_smoothed_pwdb;
 449
 450         if (pstats->packet_toself || pstats->packet_beacon) {
 451                 if (undecorated_smoothed_pwdb < 0)
 452                         undecorated_smoothed_pwdb = pstats->rx_pwdb_all;
 453                 if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) {
 454                         undecorated_smoothed_pwdb =
 455                               (((undecorated_smoothed_pwdb) *
 456                               (RX_SMOOTH_FACTOR - 1)) +
 457                               (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
 458                         undecorated_smoothed_pwdb =
 459                               undecorated_smoothed_pwdb + 1;
 460                 } else {
 461                         undecorated_smoothed_pwdb =
 462                               (((undecorated_smoothed_pwdb) *
 463                               (RX_SMOOTH_FACTOR - 1)) +
 464                               (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
 465                 }
 466                 rtlpriv->dm.undecorated_smoothed_pwdb =
 467                                  undecorated_smoothed_pwdb;
 468                 _rtl92de_update_rxsignalstatistics(hw, pstats);
 469         }
 470 }
 471
 472 static void rtl92d_loop_over_streams(struct ieee80211_hw *hw,
 473                                      struct rtl_stats *pstats)
 474 {
 475         struct rtl_priv *rtlpriv = rtl_priv(hw);
 476         int stream;
 477
 478         for (stream = 0; stream < 2; stream++) {
 479                 if (pstats->rx_mimo_signalquality[stream] != -1) {
 480                         if (rtlpriv->stats.rx_evm_percentage[stream] == 0) {
 481                                 rtlpriv->stats.rx_evm_percentage[stream] =
 482                                     pstats->rx_mimo_signalquality[stream];
 483                         }
 484                         rtlpriv->stats.rx_evm_percentage[stream] =
 485                             ((rtlpriv->stats.rx_evm_percentage[stream]
 486                               * (RX_SMOOTH_FACTOR - 1)) +
 487                              (pstats->rx_mimo_signalquality[stream] * 1)) /
 488                             (RX_SMOOTH_FACTOR);
 489                 }
 490         }
 491 }
 492
 493 static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw,
 494                                              struct rtl_stats *pstats)
 495 {
 496         struct rtl_priv *rtlpriv = rtl_priv(hw);
 497         u32 last_evm, tmpval;
 498
 499         if (pstats->signalquality == 0)
 500                 return;
 501         if (pstats->packet_toself || pstats->packet_beacon) {
 502                 if (rtlpriv->stats.ui_link_quality.total_num++ >=
 503                     PHY_LINKQUALITY_SLID_WIN_MAX) {
 504                         rtlpriv->stats.ui_link_quality.total_num =
 505                             PHY_LINKQUALITY_SLID_WIN_MAX;
 506                         last_evm = rtlpriv->stats.ui_link_quality.elements[
 507                                 rtlpriv->stats.ui_link_quality.index];
 508                         rtlpriv->stats.ui_link_quality.total_val -= last_evm;
 509                 }
 510                 rtlpriv->stats.ui_link_quality.total_val +=
 511                                                  pstats->signalquality;
 512                 rtlpriv->stats.ui_link_quality.elements[
 513                         rtlpriv->stats.ui_link_quality.index++] =
 514                                                  pstats->signalquality;
 515                 if (rtlpriv->stats.ui_link_quality.index >=
 516                     PHY_LINKQUALITY_SLID_WIN_MAX)
 517                         rtlpriv->stats.ui_link_quality.index = 0;
 518                 tmpval = rtlpriv->stats.ui_link_quality.total_val /
 519                     rtlpriv->stats.ui_link_quality.total_num;
 520                 rtlpriv->stats.signal_quality = tmpval;
 521                 rtlpriv->stats.last_sigstrength_inpercent = tmpval;
 522                 rtl92d_loop_over_streams(hw, pstats);
 523         }
 524 }
 525
 526 static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw,
 527                                      u8 *buffer,
 528                                      struct rtl_stats *pcurrent_stats)
 529 {
 530
 531         if (!pcurrent_stats->packet_matchbssid &&
 532             !pcurrent_stats->packet_beacon)
 533                 return;
 534
 535         _rtl92de_process_ui_rssi(hw, pcurrent_stats);
 536         _rtl92de_process_pwdb(hw, pcurrent_stats);
 537         _rtl92de_process_ui_link_quality(hw, pcurrent_stats);
 538 }
 539
 540 static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 541                                                struct sk_buff *skb,
 542                                                struct rtl_stats *pstats,
 543                                                struct rx_desc_92d *pdesc,
 544                                                struct rx_fwinfo_92d *p_drvinfo)
 545 {
 546         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 547         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 548         struct ieee80211_hdr *hdr;
 549         u8 *tmp_buf;
 550         u8 *praddr;
 551         u16 type, cfc;
 552         __le16 fc;
 553         bool packet_matchbssid, packet_toself, packet_beacon;
 554
 555         tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
 556         hdr = (struct ieee80211_hdr *)tmp_buf;
 557         fc = hdr->frame_control;
 558         cfc = le16_to_cpu(fc);
 559         type = WLAN_FC_GET_TYPE(fc);
 560         praddr = hdr->addr1;
 561         packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 562              (!compare_ether_addr(mac->bssid, (cfc & IEEE80211_FCTL_TODS) ?
 563                   hdr->addr1 : (cfc & IEEE80211_FCTL_FROMDS) ?
 564                   hdr->addr2 : hdr->addr3)) && (!pstats->hwerror) &&
 565                   (!pstats->crc) && (!pstats->icv));
 566         packet_toself = packet_matchbssid &&
 567                         (!compare_ether_addr(praddr, rtlefuse->dev_addr));
 568         if (ieee80211_is_beacon(fc))
 569                 packet_beacon = true;
 570         _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
 571                                    packet_matchbssid, packet_toself,
 572                                    packet_beacon);
 573         _rtl92de_process_phyinfo(hw, tmp_buf, pstats);
 574 }
 575
 576 bool rtl92de_rx_query_desc(struct ieee80211_hw *hw,     struct rtl_stats *stats,
 577                 struct ieee80211_rx_status *rx_status,
 578                 u8 *p_desc, struct sk_buff *skb)
 579 {
 580         struct rx_fwinfo_92d *p_drvinfo;
 581         struct rx_desc_92d *pdesc = (struct rx_desc_92d *)p_desc;
 582         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 583
 584         stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
 585         stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 586                                  RX_DRV_INFO_SIZE_UNIT;
 587         stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
 588         stats->icv = (u16) GET_RX_DESC_ICV(pdesc);
 589         stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
 590         stats->hwerror = (stats->crc | stats->icv);
 591         stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 592         stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
 593         stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
 594         stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 595         stats->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
 596                                          && (GET_RX_DESC_FAGGR(pdesc) == 1));
 597         stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 598         stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
 599         rx_status->freq = hw->conf.channel->center_freq;
 600         rx_status->band = hw->conf.channel->band;
 601         if (GET_RX_DESC_CRC32(pdesc))
 602                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 603         if (!GET_RX_DESC_SWDEC(pdesc))
 604                 rx_status->flag |= RX_FLAG_DECRYPTED;
 605         if (GET_RX_DESC_BW(pdesc))
 606                 rx_status->flag |= RX_FLAG_40MHZ;
 607         if (GET_RX_DESC_RXHT(pdesc))
 608                 rx_status->flag |= RX_FLAG_HT;
 609         rx_status->flag |= RX_FLAG_MACTIME_MPDU;
 610         if (stats->decrypted)
 611                 rx_status->flag |= RX_FLAG_DECRYPTED;
 612         rx_status->rate_idx = _rtl92de_rate_mapping((bool)
 613                                                     GET_RX_DESC_RXHT(pdesc),
 614                                                     (u8)
 615                                                     GET_RX_DESC_RXMCS(pdesc));
 616         rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
 617         if (phystatus) {
 618                 p_drvinfo = (struct rx_fwinfo_92d *)(skb->data +
 619                                                      stats->rx_bufshift);
 620                 _rtl92de_translate_rx_signal_stuff(hw,
 621                                                    skb, stats, pdesc,
 622                                                    p_drvinfo);
 623         }
 624         /*rx_status->qual = stats->signal; */
 625         rx_status->signal = stats->rssi + 10;
 626         /*rx_status->noise = -stats->noise; */
 627         return true;
 628 }
 629
 630 static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 631                                       u8 *virtualaddress)
 632 {
 633         memset(virtualaddress, 0, 8);
 634
 635         SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
 636         SET_EARLYMODE_LEN0(virtualaddress, ptcb_desc->empkt_len[0]);
 637         SET_EARLYMODE_LEN1(virtualaddress, ptcb_desc->empkt_len[1]);
 638         SET_EARLYMODE_LEN2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF);
 639         SET_EARLYMODE_LEN2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4);
 640         SET_EARLYMODE_LEN3(virtualaddress, ptcb_desc->empkt_len[3]);
 641         SET_EARLYMODE_LEN4(virtualaddress, ptcb_desc->empkt_len[4]);
 642 }
 643
 644 void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
 645                           struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 646                           struct ieee80211_tx_info *info, struct sk_buff *skb,
 647                           u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 648 {
 649         struct rtl_priv *rtlpriv = rtl_priv(hw);
 650         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 651         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 652         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 653         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 654         struct ieee80211_sta *sta = info->control.sta;
 655         u8 *pdesc = (u8 *) pdesc_tx;
 656         u16 seq_number;
 657         __le16 fc = hdr->frame_control;
 658         unsigned int buf_len = 0;
 659         unsigned int skb_len = skb->len;
 660         u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue);
 661         bool firstseg = ((hdr->seq_ctrl &
 662                         cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 663         bool lastseg = ((hdr->frame_control &
 664                         cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 665         dma_addr_t mapping;
 666         u8 bw_40 = 0;
 667
 668         if (mac->opmode == NL80211_IFTYPE_STATION) {
 669                 bw_40 = mac->bw_40;
 670         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 671                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 672                 if (sta)
 673                         bw_40 = sta->ht_cap.cap &
 674                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 675         }
 676         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 677         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 678         /* reserve 8 byte for AMPDU early mode */
 679         if (rtlhal->earlymode_enable) {
 680                 skb_push(skb, EM_HDR_LEN);
 681                 memset(skb->data, 0, EM_HDR_LEN);
 682         }
 683         buf_len = skb->len;
 684         mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 685                                  PCI_DMA_TODEVICE);
 686         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92d));
 687         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 688                 firstseg = true;
 689                 lastseg = true;
 690         }
 691         if (firstseg) {
 692                 if (rtlhal->earlymode_enable) {
 693                         SET_TX_DESC_PKT_OFFSET(pdesc, 1);
 694                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
 695                                            EM_HDR_LEN);
 696                         if (ptcb_desc->empkt_num) {
 697                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
 698                                          ("Insert 8 byte.pTcb->EMPktNum:%d\n",
 699                                           ptcb_desc->empkt_num));
 700                                 _rtl92de_insert_emcontent(ptcb_desc,
 701                                                           (u8 *)(skb->data));
 702                         }
 703                 } else {
 704                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 705                 }
 706                 /* 5G have no CCK rate */
 707                 if (rtlhal->current_bandtype == BAND_ON_5G)
 708                         if (ptcb_desc->hw_rate < DESC92D_RATE6M)
 709                                 ptcb_desc->hw_rate = DESC92D_RATE6M;
 710                 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
 711                 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
 712                         SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
 713
 714                 if (rtlhal->macphymode == DUALMAC_DUALPHY &&
 715                         ptcb_desc->hw_rate == DESC92D_RATEMCS7)
 716                         SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
 717
 718                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 719                         SET_TX_DESC_AGG_ENABLE(pdesc, 1);
 720                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 721                 }
 722                 SET_TX_DESC_SEQ(pdesc, seq_number);
 723                 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
 724                                        !ptcb_desc->cts_enable) ? 1 : 0));
 725                 SET_TX_DESC_HW_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable
 726                                           || ptcb_desc->cts_enable) ? 1 : 0));
 727                 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
 728                 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
 729                 /* 5G have no CCK rate */
 730                 if (rtlhal->current_bandtype == BAND_ON_5G)
 731                         if (ptcb_desc->rts_rate < DESC92D_RATE6M)
 732                                 ptcb_desc->rts_rate = DESC92D_RATE6M;
 733                 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 734                 SET_TX_DESC_RTS_BW(pdesc, 0);
 735                 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
 736                 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
 737                         DESC92D_RATE54M) ?
 738                         (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
 739                         (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 740                 if (bw_40) {
 741                         if (ptcb_desc->packet_bw) {
 742                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 743                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 744                         } else {
 745                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 746                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
 747                                                         mac->cur_40_prime_sc);
 748                         }
 749                 } else {
 750                         SET_TX_DESC_DATA_BW(pdesc, 0);
 751                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 752                 }
 753                 SET_TX_DESC_LINIP(pdesc, 0);
 754                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
 755                 if (sta) {
 756                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 757                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 758                 }
 759                 if (info->control.hw_key) {
 760                         struct ieee80211_key_conf *keyconf;
 761
 762                         keyconf = info->control.hw_key;
 763                         switch (keyconf->cipher) {
 764                         case WLAN_CIPHER_SUITE_WEP40:
 765                         case WLAN_CIPHER_SUITE_WEP104:
 766                         case WLAN_CIPHER_SUITE_TKIP:
 767                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 768                                 break;
 769                         case WLAN_CIPHER_SUITE_CCMP:
 770                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 771                                 break;
 772                         default:
 773                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 774                                 break;
 775
 776                         }
 777                 }
 778                 SET_TX_DESC_PKT_ID(pdesc, 0);
 779                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 780                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 781                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 782                 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
 783                                        1 : 0);
 784                 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 785
 786                 /* Set TxRate and RTSRate in TxDesc  */
 787                 /* This prevent Tx initial rate of new-coming packets */
 788                 /* from being overwritten by retried  packet rate.*/
 789                 if (!ptcb_desc->use_driver_rate) {
 790                         SET_TX_DESC_RTS_RATE(pdesc, 0x08);
 791                         /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
 792                 }
 793                 if (ieee80211_is_data_qos(fc)) {
 794                         if (mac->rdg_en) {
 795                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 796                                         ("Enable RDG function.\n"));
 797                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 798                                 SET_TX_DESC_HTC(pdesc, 1);
 799                         }
 800                 }
 801         }
 802
 803         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 804         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 805         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
 806         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 807         if (rtlpriv->dm.useramask) {
 808                 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
 809                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 810         } else {
 811                 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
 812                 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
 813         }
 814         if (ieee80211_is_data_qos(fc))
 815                 SET_TX_DESC_QOS(pdesc, 1);
 816
 817         if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
 818                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 819                 SET_TX_DESC_PKT_ID(pdesc, 8);
 820         }
 821         SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 822         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, ("\n"));
 823 }
 824
 825 void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw,
 826                              u8 *pdesc, bool firstseg,
 827                              bool lastseg, struct sk_buff *skb)
 828 {
 829         struct rtl_priv *rtlpriv = rtl_priv(hw);
 830         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 831         struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
 832         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 833         u8 fw_queue = QSLT_BEACON;
 834         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 835                     skb->data, skb->len, PCI_DMA_TODEVICE);
 836         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
 837         __le16 fc = hdr->frame_control;
 838
 839         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 840         if (firstseg)
 841                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 842         /* 5G have no CCK rate
 843          * Caution: The macros below are multi-line expansions.
 844          * The braces are needed no matter what checkpatch says
 845          */
 846         if (rtlhal->current_bandtype == BAND_ON_5G) {
 847                 SET_TX_DESC_TX_RATE(pdesc, DESC92D_RATE6M);
 848         } else {
 849                 SET_TX_DESC_TX_RATE(pdesc, DESC92D_RATE1M);
 850         }
 851         SET_TX_DESC_SEQ(pdesc, 0);
 852         SET_TX_DESC_LINIP(pdesc, 0);
 853         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 854         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 855         SET_TX_DESC_LAST_SEG(pdesc, 1);
 856         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
 857         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 858         SET_TX_DESC_RATE_ID(pdesc, 7);
 859         SET_TX_DESC_MACID(pdesc, 0);
 860         SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len));
 861         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 862         SET_TX_DESC_LAST_SEG(pdesc, 1);
 863         SET_TX_DESC_OFFSET(pdesc, 0x20);
 864         SET_TX_DESC_USE_RATE(pdesc, 1);
 865
 866         if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) {
 867                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 868                 SET_TX_DESC_PKT_ID(pdesc, 8);
 869         }
 870
 871         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 872                       "H2C Tx Cmd Content\n", pdesc, TX_DESC_SIZE);
 873         wmb();
 874         SET_TX_DESC_OWN(pdesc, 1);
 875 }
 876
 877 void rtl92de_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
 878 {
 879         if (istx) {
 880                 switch (desc_name) {
 881                 case HW_DESC_OWN:
 882                         wmb();
 883                         SET_TX_DESC_OWN(pdesc, 1);
 884                         break;
 885                 case HW_DESC_TX_NEXTDESC_ADDR:
 886                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
 887                         break;
 888                 default:
 889                         RT_ASSERT(false, ("ERR txdesc :%d"
 890                                           " not process\n", desc_name));
 891                         break;
 892                 }
 893         } else {
 894                 switch (desc_name) {
 895                 case HW_DESC_RXOWN:
 896                         wmb();
 897                         SET_RX_DESC_OWN(pdesc, 1);
 898                         break;
 899                 case HW_DESC_RXBUFF_ADDR:
 900                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
 901                         break;
 902                 case HW_DESC_RXPKT_LEN:
 903                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
 904                         break;
 905                 case HW_DESC_RXERO:
 906                         SET_RX_DESC_EOR(pdesc, 1);
 907                         break;
 908                 default:
 909                         RT_ASSERT(false, ("ERR rxdesc :%d "
 910                                           "not process\n", desc_name));
 911                         break;
 912                 }
 913         }
 914 }
 915
 916 u32 rtl92de_get_desc(u8 *p_desc, bool istx, u8 desc_name)
 917 {
 918         u32 ret = 0;
 919
 920         if (istx) {
 921                 switch (desc_name) {
 922                 case HW_DESC_OWN:
 923                         ret = GET_TX_DESC_OWN(p_desc);
 924                         break;
 925                 case HW_DESC_TXBUFF_ADDR:
 926                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc);
 927                         break;
 928                 default:
 929                         RT_ASSERT(false, ("ERR txdesc :%d "
 930                                           "not process\n", desc_name));
 931                         break;
 932                 }
 933         } else {
 934                 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
 935                 switch (desc_name) {
 936                 case HW_DESC_OWN:
 937                         ret = GET_RX_DESC_OWN(pdesc);
 938                         break;
 939                 case HW_DESC_RXPKT_LEN:
 940                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 941                         break;
 942                 default:
 943                         RT_ASSERT(false, ("ERR rxdesc :%d "
 944                                           "not process\n", desc_name));
 945                         break;
 946                 }
 947         }
 948         return ret;
 949 }
 950
 951 void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 952 {
 953         struct rtl_priv *rtlpriv = rtl_priv(hw);
 954         if (hw_queue == BEACON_QUEUE)
 955                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 956         else
 957                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 958                                BIT(0) << (hw_queue));
 959 }