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 u8 _rtl92d_query_rxpwrpercentage(char antpower)
  52 {
  53         if ((antpower <= -100) || (antpower >= 20))
  54                 return 0;
  55         else if (antpower >= 0)
  56                 return 100;
  57         else
  58                 return 100 + antpower;
  59 }
  60
  61 static u8 _rtl92d_evm_db_to_percentage(char value)
  62 {
  63         char ret_val = value;
  64
  65         if (ret_val >= 0)
  66                 ret_val = 0;
  67         if (ret_val <= -33)
  68                 ret_val = -33;
  69         ret_val = 0 - ret_val;
  70         ret_val *= 3;
  71         if (ret_val == 99)
  72                 ret_val = 100;
  73         return ret_val;
  74 }
  75
  76 static long _rtl92de_translate_todbm(struct ieee80211_hw *hw,
  77                                      u8 signal_strength_index)
  78 {
  79         long signal_power;
  80
  81         signal_power = (long)((signal_strength_index + 1) >> 1);
  82         signal_power -= 95;
  83         return signal_power;
  84 }
  85
  86 static long _rtl92de_signal_scale_mapping(struct ieee80211_hw *hw, long currsig)
  87 {
  88         long retsig;
  89
  90         if (currsig >= 61 && currsig <= 100)
  91                 retsig = 90 + ((currsig - 60) / 4);
  92         else if (currsig >= 41 && currsig <= 60)
  93                 retsig = 78 + ((currsig - 40) / 2);
  94         else if (currsig >= 31 && currsig <= 40)
  95                 retsig = 66 + (currsig - 30);
  96         else if (currsig >= 21 && currsig <= 30)
  97                 retsig = 54 + (currsig - 20);
  98         else if (currsig >= 5 && currsig <= 20)
  99                 retsig = 42 + (((currsig - 5) * 2) / 3);
 100         else if (currsig == 4)
 101                 retsig = 36;
 102         else if (currsig == 3)
 103                 retsig = 27;
 104         else if (currsig == 2)
 105                 retsig = 18;
 106         else if (currsig == 1)
 107                 retsig = 9;
 108         else
 109                 retsig = currsig;
 110         return retsig;
 111 }
 112
 113 static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw,
 114                                        struct rtl_stats *pstats,
 115                                        struct rx_desc_92d *pdesc,
 116                                        struct rx_fwinfo_92d *p_drvinfo,
 117                                        bool packet_match_bssid,
 118                                        bool packet_toself,
 119                                        bool packet_beacon)
 120 {
 121         struct rtl_priv *rtlpriv = rtl_priv(hw);
 122         struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
 123         struct phy_sts_cck_8192d *cck_buf;
 124         s8 rx_pwr_all, rx_pwr[4];
 125         u8 rf_rx_num = 0, evm, pwdb_all;
 126         u8 i, max_spatial_stream;
 127         u32 rssi, total_rssi = 0;
 128         bool is_cck_rate;
 129
 130         is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc);
 131         pstats->packet_matchbssid = packet_match_bssid;
 132         pstats->packet_toself = packet_toself;
 133         pstats->packet_beacon = packet_beacon;
 134         pstats->is_cck = is_cck_rate;
 135         pstats->rx_mimo_signalquality[0] = -1;
 136         pstats->rx_mimo_signalquality[1] = -1;
 137
 138         if (is_cck_rate) {
 139                 u8 report, cck_highpwr;
 140                 cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo;
 141                 if (ppsc->rfpwr_state == ERFON)
 142                         cck_highpwr = (u8) rtl_get_bbreg(hw,
 143                                                  RFPGA0_XA_HSSIPARAMETER2,
 144                                                  BIT(9));
 145                 else
 146                         cck_highpwr = false;
 147                 if (!cck_highpwr) {
 148                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 149                         report = cck_buf->cck_agc_rpt & 0xc0;
 150                         report = report >> 6;
 151                         switch (report) {
 152                         case 0x3:
 153                                 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
 154                                 break;
 155                         case 0x2:
 156                                 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
 157                                 break;
 158                         case 0x1:
 159                                 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
 160                                 break;
 161                         case 0x0:
 162                                 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
 163                                 break;
 164                         }
 165                 } else {
 166                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 167                         report = p_drvinfo->cfosho[0] & 0x60;
 168                         report = report >> 5;
 169                         switch (report) {
 170                         case 0x3:
 171                                 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
 172                                 break;
 173                         case 0x2:
 174                                 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
 175                                 break;
 176                         case 0x1:
 177                                 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
 178                                 break;
 179                         case 0x0:
 180                                 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
 181                                 break;
 182                         }
 183                 }
 184                 pwdb_all = _rtl92d_query_rxpwrpercentage(rx_pwr_all);
 185                 /* CCK gain is smaller than OFDM/MCS gain,  */
 186                 /* so we add gain diff by experiences, the val is 6 */
 187                 pwdb_all += 6;
 188                 if (pwdb_all > 100)
 189                         pwdb_all = 100;
 190                 /* modify the offset to make the same gain index with OFDM. */
 191                 if (pwdb_all > 34 && pwdb_all <= 42)
 192                         pwdb_all -= 2;
 193                 else if (pwdb_all > 26 && pwdb_all <= 34)
 194                         pwdb_all -= 6;
 195                 else if (pwdb_all > 14 && pwdb_all <= 26)
 196                         pwdb_all -= 8;
 197                 else if (pwdb_all > 4 && pwdb_all <= 14)
 198                         pwdb_all -= 4;
 199                 pstats->rx_pwdb_all = pwdb_all;
 200                 pstats->recvsignalpower = rx_pwr_all;
 201                 if (packet_match_bssid) {
 202                         u8 sq;
 203                         if (pstats->rx_pwdb_all > 40) {
 204                                 sq = 100;
 205                         } else {
 206                                 sq = cck_buf->sq_rpt;
 207                                 if (sq > 64)
 208                                         sq = 0;
 209                                 else if (sq < 20)
 210                                         sq = 100;
 211                                 else
 212                                         sq = ((64 - sq) * 100) / 44;
 213                         }
 214                         pstats->signalquality = sq;
 215                         pstats->rx_mimo_signalquality[0] = sq;
 216                         pstats->rx_mimo_signalquality[1] = -1;
 217                 }
 218         } else {
 219                 rtlpriv->dm.rfpath_rxenable[0] = true;
 220                 rtlpriv->dm.rfpath_rxenable[1] = true;
 221                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 222                         if (rtlpriv->dm.rfpath_rxenable[i])
 223                                 rf_rx_num++;
 224                         rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f) * 2)
 225                                     - 110;
 226                         rssi = _rtl92d_query_rxpwrpercentage(rx_pwr[i]);
 227                         total_rssi += rssi;
 228                         rtlpriv->stats.rx_snr_db[i] =
 229                                          (long)(p_drvinfo->rxsnr[i] / 2);
 230                         if (packet_match_bssid)
 231                                 pstats->rx_mimo_signalstrength[i] = (u8) rssi;
 232                 }
 233                 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 106;
 234                 pwdb_all = _rtl92d_query_rxpwrpercentage(rx_pwr_all);
 235                 pstats->rx_pwdb_all = pwdb_all;
 236                 pstats->rxpower = rx_pwr_all;
 237                 pstats->recvsignalpower = rx_pwr_all;
 238                 if (pdesc->rxht && pdesc->rxmcs >= DESC92_RATEMCS8 &&
 239                     pdesc->rxmcs <= DESC92_RATEMCS15)
 240                         max_spatial_stream = 2;
 241                 else
 242                         max_spatial_stream = 1;
 243                 for (i = 0; i < max_spatial_stream; i++) {
 244                         evm = _rtl92d_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 245                         if (packet_match_bssid) {
 246                                 if (i == 0)
 247                                         pstats->signalquality =
 248                                                  (u8)(evm & 0xff);
 249                                 pstats->rx_mimo_signalquality[i] =
 250                                                  (u8)(evm & 0xff);
 251                         }
 252                 }
 253         }
 254         if (is_cck_rate)
 255                 pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw,
 256                                 pwdb_all));
 257         else if (rf_rx_num != 0)
 258                 pstats->signalstrength = (u8)(_rtl92de_signal_scale_mapping(hw,
 259                                 total_rssi /= rf_rx_num));
 260 }
 261
 262 static void rtl92d_loop_over_paths(struct ieee80211_hw *hw,
 263                                    struct rtl_stats *pstats)
 264 {
 265         struct rtl_priv *rtlpriv = rtl_priv(hw);
 266         struct rtl_phy *rtlphy = &(rtlpriv->phy);
 267         u8 rfpath;
 268
 269         for (rfpath = RF90_PATH_A; rfpath < rtlphy->num_total_rfpath;
 270              rfpath++) {
 271                 if (rtlpriv->stats.rx_rssi_percentage[rfpath] == 0) {
 272                         rtlpriv->stats.rx_rssi_percentage[rfpath] =
 273                             pstats->rx_mimo_signalstrength[rfpath];
 274
 275                 }
 276                 if (pstats->rx_mimo_signalstrength[rfpath] >
 277                     rtlpriv->stats.rx_rssi_percentage[rfpath]) {
 278                         rtlpriv->stats.rx_rssi_percentage[rfpath] =
 279                             ((rtlpriv->stats.rx_rssi_percentage[rfpath] *
 280                               (RX_SMOOTH_FACTOR - 1)) +
 281                              (pstats->rx_mimo_signalstrength[rfpath])) /
 282                             (RX_SMOOTH_FACTOR);
 283                         rtlpriv->stats.rx_rssi_percentage[rfpath] =
 284                             rtlpriv->stats.rx_rssi_percentage[rfpath] + 1;
 285                 } else {
 286                         rtlpriv->stats.rx_rssi_percentage[rfpath] =
 287                             ((rtlpriv->stats.rx_rssi_percentage[rfpath] *
 288                               (RX_SMOOTH_FACTOR - 1)) +
 289                              (pstats->rx_mimo_signalstrength[rfpath])) /
 290                             (RX_SMOOTH_FACTOR);
 291                 }
 292         }
 293 }
 294
 295 static void _rtl92de_process_ui_rssi(struct ieee80211_hw *hw,
 296                                      struct rtl_stats *pstats)
 297 {
 298         struct rtl_priv *rtlpriv = rtl_priv(hw);
 299         u32 last_rssi, tmpval;
 300
 301         if (pstats->packet_toself || pstats->packet_beacon) {
 302                 rtlpriv->stats.rssi_calculate_cnt++;
 303                 if (rtlpriv->stats.ui_rssi.total_num++ >=
 304                     PHY_RSSI_SLID_WIN_MAX) {
 305                         rtlpriv->stats.ui_rssi.total_num =
 306                                                  PHY_RSSI_SLID_WIN_MAX;
 307                         last_rssi = rtlpriv->stats.ui_rssi.elements[
 308                                 rtlpriv->stats.ui_rssi.index];
 309                         rtlpriv->stats.ui_rssi.total_val -= last_rssi;
 310                 }
 311                 rtlpriv->stats.ui_rssi.total_val += pstats->signalstrength;
 312                 rtlpriv->stats.ui_rssi.elements
 313                         [rtlpriv->stats.ui_rssi.index++] =
 314                         pstats->signalstrength;
 315                 if (rtlpriv->stats.ui_rssi.index >= PHY_RSSI_SLID_WIN_MAX)
 316                         rtlpriv->stats.ui_rssi.index = 0;
 317                 tmpval = rtlpriv->stats.ui_rssi.total_val /
 318                         rtlpriv->stats.ui_rssi.total_num;
 319                 rtlpriv->stats.signal_strength = _rtl92de_translate_todbm(hw,
 320                         (u8) tmpval);
 321                 pstats->rssi = rtlpriv->stats.signal_strength;
 322         }
 323         if (!pstats->is_cck && pstats->packet_toself)
 324                 rtl92d_loop_over_paths(hw, pstats);
 325 }
 326
 327 static void _rtl92de_update_rxsignalstatistics(struct ieee80211_hw *hw,
 328                                                struct rtl_stats *pstats)
 329 {
 330         struct rtl_priv *rtlpriv = rtl_priv(hw);
 331         int weighting = 0;
 332
 333         if (rtlpriv->stats.recv_signal_power == 0)
 334                 rtlpriv->stats.recv_signal_power = pstats->recvsignalpower;
 335         if (pstats->recvsignalpower > rtlpriv->stats.recv_signal_power)
 336                 weighting = 5;
 337         else if (pstats->recvsignalpower < rtlpriv->stats.recv_signal_power)
 338                 weighting = (-5);
 339         rtlpriv->stats.recv_signal_power = (rtlpriv->stats.recv_signal_power *
 340                 5 + pstats->recvsignalpower + weighting) / 6;
 341 }
 342
 343 static void _rtl92de_process_pwdb(struct ieee80211_hw *hw,
 344                                   struct rtl_stats *pstats)
 345 {
 346         struct rtl_priv *rtlpriv = rtl_priv(hw);
 347         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 348         long undecorated_smoothed_pwdb;
 349
 350         if (mac->opmode == NL80211_IFTYPE_ADHOC ||
 351                 mac->opmode == NL80211_IFTYPE_AP)
 352                 return;
 353         else
 354                 undecorated_smoothed_pwdb =
 355                     rtlpriv->dm.undecorated_smoothed_pwdb;
 356
 357         if (pstats->packet_toself || pstats->packet_beacon) {
 358                 if (undecorated_smoothed_pwdb < 0)
 359                         undecorated_smoothed_pwdb = pstats->rx_pwdb_all;
 360                 if (pstats->rx_pwdb_all > (u32) undecorated_smoothed_pwdb) {
 361                         undecorated_smoothed_pwdb =
 362                               (((undecorated_smoothed_pwdb) *
 363                               (RX_SMOOTH_FACTOR - 1)) +
 364                               (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
 365                         undecorated_smoothed_pwdb =
 366                               undecorated_smoothed_pwdb + 1;
 367                 } else {
 368                         undecorated_smoothed_pwdb =
 369                               (((undecorated_smoothed_pwdb) *
 370                               (RX_SMOOTH_FACTOR - 1)) +
 371                               (pstats->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
 372                 }
 373                 rtlpriv->dm.undecorated_smoothed_pwdb =
 374                                  undecorated_smoothed_pwdb;
 375                 _rtl92de_update_rxsignalstatistics(hw, pstats);
 376         }
 377 }
 378
 379 static void rtl92d_loop_over_streams(struct ieee80211_hw *hw,
 380                                      struct rtl_stats *pstats)
 381 {
 382         struct rtl_priv *rtlpriv = rtl_priv(hw);
 383         int stream;
 384
 385         for (stream = 0; stream < 2; stream++) {
 386                 if (pstats->rx_mimo_signalquality[stream] != -1) {
 387                         if (rtlpriv->stats.rx_evm_percentage[stream] == 0) {
 388                                 rtlpriv->stats.rx_evm_percentage[stream] =
 389                                     pstats->rx_mimo_signalquality[stream];
 390                         }
 391                         rtlpriv->stats.rx_evm_percentage[stream] =
 392                             ((rtlpriv->stats.rx_evm_percentage[stream]
 393                               * (RX_SMOOTH_FACTOR - 1)) +
 394                              (pstats->rx_mimo_signalquality[stream] * 1)) /
 395                             (RX_SMOOTH_FACTOR);
 396                 }
 397         }
 398 }
 399
 400 static void _rtl92de_process_ui_link_quality(struct ieee80211_hw *hw,
 401                                              struct rtl_stats *pstats)
 402 {
 403         struct rtl_priv *rtlpriv = rtl_priv(hw);
 404         u32 last_evm, tmpval;
 405
 406         if (pstats->signalquality == 0)
 407                 return;
 408         if (pstats->packet_toself || pstats->packet_beacon) {
 409                 if (rtlpriv->stats.ui_link_quality.total_num++ >=
 410                     PHY_LINKQUALITY_SLID_WIN_MAX) {
 411                         rtlpriv->stats.ui_link_quality.total_num =
 412                             PHY_LINKQUALITY_SLID_WIN_MAX;
 413                         last_evm = rtlpriv->stats.ui_link_quality.elements[
 414                                 rtlpriv->stats.ui_link_quality.index];
 415                         rtlpriv->stats.ui_link_quality.total_val -= last_evm;
 416                 }
 417                 rtlpriv->stats.ui_link_quality.total_val +=
 418                                                  pstats->signalquality;
 419                 rtlpriv->stats.ui_link_quality.elements[
 420                         rtlpriv->stats.ui_link_quality.index++] =
 421                                                  pstats->signalquality;
 422                 if (rtlpriv->stats.ui_link_quality.index >=
 423                     PHY_LINKQUALITY_SLID_WIN_MAX)
 424                         rtlpriv->stats.ui_link_quality.index = 0;
 425                 tmpval = rtlpriv->stats.ui_link_quality.total_val /
 426                     rtlpriv->stats.ui_link_quality.total_num;
 427                 rtlpriv->stats.signal_quality = tmpval;
 428                 rtlpriv->stats.last_sigstrength_inpercent = tmpval;
 429                 rtl92d_loop_over_streams(hw, pstats);
 430         }
 431 }
 432
 433 static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw,
 434                                      u8 *buffer,
 435                                      struct rtl_stats *pcurrent_stats)
 436 {
 437
 438         if (!pcurrent_stats->packet_matchbssid &&
 439             !pcurrent_stats->packet_beacon)
 440                 return;
 441
 442         _rtl92de_process_ui_rssi(hw, pcurrent_stats);
 443         _rtl92de_process_pwdb(hw, pcurrent_stats);
 444         _rtl92de_process_ui_link_quality(hw, pcurrent_stats);
 445 }
 446
 447 static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 448                                                struct sk_buff *skb,
 449                                                struct rtl_stats *pstats,
 450                                                struct rx_desc_92d *pdesc,
 451                                                struct rx_fwinfo_92d *p_drvinfo)
 452 {
 453         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 454         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 455         struct ieee80211_hdr *hdr;
 456         u8 *tmp_buf;
 457         u8 *praddr;
 458         u16 type, cfc;
 459         __le16 fc;
 460         bool packet_matchbssid, packet_toself, packet_beacon;
 461
 462         tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift;
 463         hdr = (struct ieee80211_hdr *)tmp_buf;
 464         fc = hdr->frame_control;
 465         cfc = le16_to_cpu(fc);
 466         type = WLAN_FC_GET_TYPE(fc);
 467         praddr = hdr->addr1;
 468         packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 469              (!compare_ether_addr(mac->bssid, (cfc & IEEE80211_FCTL_TODS) ?
 470                   hdr->addr1 : (cfc & IEEE80211_FCTL_FROMDS) ?
 471                   hdr->addr2 : hdr->addr3)) && (!pstats->hwerror) &&
 472                   (!pstats->crc) && (!pstats->icv));
 473         packet_toself = packet_matchbssid &&
 474                         (!compare_ether_addr(praddr, rtlefuse->dev_addr));
 475         if (ieee80211_is_beacon(fc))
 476                 packet_beacon = true;
 477         _rtl92de_query_rxphystatus(hw, pstats, pdesc, p_drvinfo,
 478                                    packet_matchbssid, packet_toself,
 479                                    packet_beacon);
 480         _rtl92de_process_phyinfo(hw, tmp_buf, pstats);
 481 }
 482
 483 bool rtl92de_rx_query_desc(struct ieee80211_hw *hw,     struct rtl_stats *stats,
 484                 struct ieee80211_rx_status *rx_status,
 485                 u8 *p_desc, struct sk_buff *skb)
 486 {
 487         struct rx_fwinfo_92d *p_drvinfo;
 488         struct rx_desc_92d *pdesc = (struct rx_desc_92d *)p_desc;
 489         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 490
 491         stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
 492         stats->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 493                                  RX_DRV_INFO_SIZE_UNIT;
 494         stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
 495         stats->icv = (u16) GET_RX_DESC_ICV(pdesc);
 496         stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
 497         stats->hwerror = (stats->crc | stats->icv);
 498         stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 499         stats->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
 500         stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
 501         stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 502         stats->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
 503                                          && (GET_RX_DESC_FAGGR(pdesc) == 1));
 504         stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 505         stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
 506         rx_status->freq = hw->conf.channel->center_freq;
 507         rx_status->band = hw->conf.channel->band;
 508         if (GET_RX_DESC_CRC32(pdesc))
 509                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 510         if (!GET_RX_DESC_SWDEC(pdesc))
 511                 rx_status->flag |= RX_FLAG_DECRYPTED;
 512         if (GET_RX_DESC_BW(pdesc))
 513                 rx_status->flag |= RX_FLAG_40MHZ;
 514         if (GET_RX_DESC_RXHT(pdesc))
 515                 rx_status->flag |= RX_FLAG_HT;
 516         rx_status->flag |= RX_FLAG_MACTIME_MPDU;
 517         if (stats->decrypted)
 518                 rx_status->flag |= RX_FLAG_DECRYPTED;
 519         rx_status->rate_idx = rtlwifi_rate_mapping(hw,
 520                                         (bool)GET_RX_DESC_RXHT(pdesc),
 521                                         (u8)GET_RX_DESC_RXMCS(pdesc),
 522                                         (bool)GET_RX_DESC_PAGGR(pdesc));
 523         rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
 524         if (phystatus) {
 525                 p_drvinfo = (struct rx_fwinfo_92d *)(skb->data +
 526                                                      stats->rx_bufshift);
 527                 _rtl92de_translate_rx_signal_stuff(hw,
 528                                                    skb, stats, pdesc,
 529                                                    p_drvinfo);
 530         }
 531         /*rx_status->qual = stats->signal; */
 532         rx_status->signal = stats->recvsignalpower + 10;
 533         /*rx_status->noise = -stats->noise; */
 534         return true;
 535 }
 536
 537 static void _rtl92de_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 538                                       u8 *virtualaddress)
 539 {
 540         memset(virtualaddress, 0, 8);
 541
 542         SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
 543         SET_EARLYMODE_LEN0(virtualaddress, ptcb_desc->empkt_len[0]);
 544         SET_EARLYMODE_LEN1(virtualaddress, ptcb_desc->empkt_len[1]);
 545         SET_EARLYMODE_LEN2_1(virtualaddress, ptcb_desc->empkt_len[2] & 0xF);
 546         SET_EARLYMODE_LEN2_2(virtualaddress, ptcb_desc->empkt_len[2] >> 4);
 547         SET_EARLYMODE_LEN3(virtualaddress, ptcb_desc->empkt_len[3]);
 548         SET_EARLYMODE_LEN4(virtualaddress, ptcb_desc->empkt_len[4]);
 549 }
 550
 551 void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
 552                           struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 553                           struct ieee80211_tx_info *info, struct sk_buff *skb,
 554                           u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 555 {
 556         struct rtl_priv *rtlpriv = rtl_priv(hw);
 557         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 558         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 559         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 560         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 561         struct ieee80211_sta *sta = info->control.sta;
 562         u8 *pdesc = (u8 *) pdesc_tx;
 563         u16 seq_number;
 564         __le16 fc = hdr->frame_control;
 565         unsigned int buf_len = 0;
 566         unsigned int skb_len = skb->len;
 567         u8 fw_qsel = _rtl92de_map_hwqueue_to_fwqueue(skb, hw_queue);
 568         bool firstseg = ((hdr->seq_ctrl &
 569                         cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 570         bool lastseg = ((hdr->frame_control &
 571                         cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 572         dma_addr_t mapping;
 573         u8 bw_40 = 0;
 574
 575         if (mac->opmode == NL80211_IFTYPE_STATION) {
 576                 bw_40 = mac->bw_40;
 577         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 578                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 579                 if (sta)
 580                         bw_40 = sta->ht_cap.cap &
 581                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 582         }
 583         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 584         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 585         /* reserve 8 byte for AMPDU early mode */
 586         if (rtlhal->earlymode_enable) {
 587                 skb_push(skb, EM_HDR_LEN);
 588                 memset(skb->data, 0, EM_HDR_LEN);
 589         }
 590         buf_len = skb->len;
 591         mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 592                                  PCI_DMA_TODEVICE);
 593         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_92d));
 594         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 595                 firstseg = true;
 596                 lastseg = true;
 597         }
 598         if (firstseg) {
 599                 if (rtlhal->earlymode_enable) {
 600                         SET_TX_DESC_PKT_OFFSET(pdesc, 1);
 601                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
 602                                            EM_HDR_LEN);
 603                         if (ptcb_desc->empkt_num) {
 604                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
 605                                          ("Insert 8 byte.pTcb->EMPktNum:%d\n",
 606                                           ptcb_desc->empkt_num));
 607                                 _rtl92de_insert_emcontent(ptcb_desc,
 608                                                           (u8 *)(skb->data));
 609                         }
 610                 } else {
 611                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 612                 }
 613                 /* 5G have no CCK rate */
 614                 if (rtlhal->current_bandtype == BAND_ON_5G)
 615                         if (ptcb_desc->hw_rate < DESC92_RATE6M)
 616                                 ptcb_desc->hw_rate = DESC92_RATE6M;
 617                 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
 618                 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
 619                         SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
 620
 621                 if (rtlhal->macphymode == DUALMAC_DUALPHY &&
 622                         ptcb_desc->hw_rate == DESC92_RATEMCS7)
 623                         SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
 624
 625                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 626                         SET_TX_DESC_AGG_ENABLE(pdesc, 1);
 627                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 628                 }
 629                 SET_TX_DESC_SEQ(pdesc, seq_number);
 630                 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
 631                                        !ptcb_desc->cts_enable) ? 1 : 0));
 632                 SET_TX_DESC_HW_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable
 633                                           || ptcb_desc->cts_enable) ? 1 : 0));
 634                 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
 635                 SET_TX_DESC_RTS_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
 636                 /* 5G have no CCK rate */
 637                 if (rtlhal->current_bandtype == BAND_ON_5G)
 638                         if (ptcb_desc->rts_rate < DESC92_RATE6M)
 639                                 ptcb_desc->rts_rate = DESC92_RATE6M;
 640                 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 641                 SET_TX_DESC_RTS_BW(pdesc, 0);
 642                 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
 643                 SET_TX_DESC_RTS_SHORT(pdesc, ((ptcb_desc->rts_rate <=
 644                         DESC92_RATE54M) ?
 645                         (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
 646                         (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 647                 if (bw_40) {
 648                         if (ptcb_desc->packet_bw) {
 649                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 650                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 651                         } else {
 652                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 653                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
 654                                                         mac->cur_40_prime_sc);
 655                         }
 656                 } else {
 657                         SET_TX_DESC_DATA_BW(pdesc, 0);
 658                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 659                 }
 660                 SET_TX_DESC_LINIP(pdesc, 0);
 661                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
 662                 if (sta) {
 663                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 664                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 665                 }
 666                 if (info->control.hw_key) {
 667                         struct ieee80211_key_conf *keyconf;
 668
 669                         keyconf = info->control.hw_key;
 670                         switch (keyconf->cipher) {
 671                         case WLAN_CIPHER_SUITE_WEP40:
 672                         case WLAN_CIPHER_SUITE_WEP104:
 673                         case WLAN_CIPHER_SUITE_TKIP:
 674                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 675                                 break;
 676                         case WLAN_CIPHER_SUITE_CCMP:
 677                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 678                                 break;
 679                         default:
 680                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 681                                 break;
 682
 683                         }
 684                 }
 685                 SET_TX_DESC_PKT_ID(pdesc, 0);
 686                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 687                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 688                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 689                 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
 690                                        1 : 0);
 691                 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 692
 693                 /* Set TxRate and RTSRate in TxDesc  */
 694                 /* This prevent Tx initial rate of new-coming packets */
 695                 /* from being overwritten by retried  packet rate.*/
 696                 if (!ptcb_desc->use_driver_rate) {
 697                         SET_TX_DESC_RTS_RATE(pdesc, 0x08);
 698                         /* SET_TX_DESC_TX_RATE(pdesc, 0x0b); */
 699                 }
 700                 if (ieee80211_is_data_qos(fc)) {
 701                         if (mac->rdg_en) {
 702                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 703                                         ("Enable RDG function.\n"));
 704                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 705                                 SET_TX_DESC_HTC(pdesc, 1);
 706                         }
 707                 }
 708         }
 709
 710         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 711         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 712         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
 713         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 714         if (rtlpriv->dm.useramask) {
 715                 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
 716                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 717         } else {
 718                 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
 719                 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
 720         }
 721         if (ieee80211_is_data_qos(fc))
 722                 SET_TX_DESC_QOS(pdesc, 1);
 723
 724         if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
 725                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 726                 SET_TX_DESC_PKT_ID(pdesc, 8);
 727         }
 728         SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 729         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, ("\n"));
 730 }
 731
 732 void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw,
 733                              u8 *pdesc, bool firstseg,
 734                              bool lastseg, struct sk_buff *skb)
 735 {
 736         struct rtl_priv *rtlpriv = rtl_priv(hw);
 737         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 738         struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
 739         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 740         u8 fw_queue = QSLT_BEACON;
 741         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 742                     skb->data, skb->len, PCI_DMA_TODEVICE);
 743         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
 744         __le16 fc = hdr->frame_control;
 745
 746         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 747         if (firstseg)
 748                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 749         /* 5G have no CCK rate
 750          * Caution: The macros below are multi-line expansions.
 751          * The braces are needed no matter what checkpatch says
 752          */
 753         if (rtlhal->current_bandtype == BAND_ON_5G) {
 754                 SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE6M);
 755         } else {
 756                 SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M);
 757         }
 758         SET_TX_DESC_SEQ(pdesc, 0);
 759         SET_TX_DESC_LINIP(pdesc, 0);
 760         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 761         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 762         SET_TX_DESC_LAST_SEG(pdesc, 1);
 763         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
 764         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 765         SET_TX_DESC_RATE_ID(pdesc, 7);
 766         SET_TX_DESC_MACID(pdesc, 0);
 767         SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len));
 768         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 769         SET_TX_DESC_LAST_SEG(pdesc, 1);
 770         SET_TX_DESC_OFFSET(pdesc, 0x20);
 771         SET_TX_DESC_USE_RATE(pdesc, 1);
 772
 773         if (!ieee80211_is_data_qos(fc) && ppsc->fwctrl_lps) {
 774                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 775                 SET_TX_DESC_PKT_ID(pdesc, 8);
 776         }
 777
 778         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 779                       "H2C Tx Cmd Content\n", pdesc, TX_DESC_SIZE);
 780         wmb();
 781         SET_TX_DESC_OWN(pdesc, 1);
 782 }
 783
 784 void rtl92de_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
 785 {
 786         if (istx) {
 787                 switch (desc_name) {
 788                 case HW_DESC_OWN:
 789                         wmb();
 790                         SET_TX_DESC_OWN(pdesc, 1);
 791                         break;
 792                 case HW_DESC_TX_NEXTDESC_ADDR:
 793                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
 794                         break;
 795                 default:
 796                         RT_ASSERT(false, ("ERR txdesc :%d"
 797                                           " not process\n", desc_name));
 798                         break;
 799                 }
 800         } else {
 801                 switch (desc_name) {
 802                 case HW_DESC_RXOWN:
 803                         wmb();
 804                         SET_RX_DESC_OWN(pdesc, 1);
 805                         break;
 806                 case HW_DESC_RXBUFF_ADDR:
 807                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
 808                         break;
 809                 case HW_DESC_RXPKT_LEN:
 810                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
 811                         break;
 812                 case HW_DESC_RXERO:
 813                         SET_RX_DESC_EOR(pdesc, 1);
 814                         break;
 815                 default:
 816                         RT_ASSERT(false, ("ERR rxdesc :%d "
 817                                           "not process\n", desc_name));
 818                         break;
 819                 }
 820         }
 821 }
 822
 823 u32 rtl92de_get_desc(u8 *p_desc, bool istx, u8 desc_name)
 824 {
 825         u32 ret = 0;
 826
 827         if (istx) {
 828                 switch (desc_name) {
 829                 case HW_DESC_OWN:
 830                         ret = GET_TX_DESC_OWN(p_desc);
 831                         break;
 832                 case HW_DESC_TXBUFF_ADDR:
 833                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(p_desc);
 834                         break;
 835                 default:
 836                         RT_ASSERT(false, ("ERR txdesc :%d "
 837                                           "not process\n", desc_name));
 838                         break;
 839                 }
 840         } else {
 841                 struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
 842                 switch (desc_name) {
 843                 case HW_DESC_OWN:
 844                         ret = GET_RX_DESC_OWN(pdesc);
 845                         break;
 846                 case HW_DESC_RXPKT_LEN:
 847                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 848                         break;
 849                 default:
 850                         RT_ASSERT(false, ("ERR rxdesc :%d "
 851                                           "not process\n", desc_name));
 852                         break;
 853                 }
 854         }
 855         return ret;
 856 }
 857
 858 void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 859 {
 860         struct rtl_priv *rtlpriv = rtl_priv(hw);
 861         if (hw_queue == BEACON_QUEUE)
 862                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 863         else
 864                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 865                                BIT(0) << (hw_queue));
 866 }