drivers/net/wireless/rtlwifi/rtl8723ae/trx.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2012  Realtek Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * The full GNU General Public License is included in this distribution in the
  15  * file called LICENSE.
  16  *
  17  * Contact Information:
  18  * wlanfae <wlanfae@realtek.com>
  19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20  * Hsinchu 300, Taiwan.
  21  *
  22  * Larry Finger <Larry.Finger@lwfinger.net>
  23  *
  24  *****************************************************************************/
  25
  26 #include "../wifi.h"
  27 #include "../pci.h"
  28 #include "../base.h"
  29 #include "../stats.h"
  30 #include "reg.h"
  31 #include "def.h"
  32 #include "phy.h"
  33 #include "trx.h"
  34 #include "led.h"
  35
  36 static u8 _rtl8723e_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
  37 {
  38         __le16 fc = rtl_get_fc(skb);
  39
  40         if (unlikely(ieee80211_is_beacon(fc)))
  41                 return QSLT_BEACON;
  42         if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
  43                 return QSLT_MGNT;
  44
  45         return skb->priority;
  46 }
  47
  48 /* mac80211's rate_idx is like this:
  49  *
  50  * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ
  51  *
  52  * B/G rate:
  53  * (rx_status->flag & RX_FLAG_HT) = 0,
  54  * DESC92C_RATE1M-->DESC92C_RATE54M ==> idx is 0-->11,
  55  *
  56  * N rate:
  57  * (rx_status->flag & RX_FLAG_HT) = 1,
  58  * DESC92C_RATEMCS0-->DESC92C_RATEMCS15 ==> idx is 0-->15
  59  *
  60  * 5G band:rx_status->band == IEEE80211_BAND_5GHZ
  61  * A rate:
  62  * (rx_status->flag & RX_FLAG_HT) = 0,
  63  * DESC92C_RATE6M-->DESC92C_RATE54M ==> idx is 0-->7,
  64  *
  65  * N rate:
  66  * (rx_status->flag & RX_FLAG_HT) = 1,
  67  * DESC92C_RATEMCS0-->DESC92C_RATEMCS15 ==> idx is 0-->15
  68  */
  69 static int _rtl8723e_rate_mapping(struct ieee80211_hw *hw,
  70                                   bool isht, u8 desc_rate)
  71 {
  72         int rate_idx;
  73
  74         if (!isht) {
  75                 if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
  76                         switch (desc_rate) {
  77                         case DESC92C_RATE1M:
  78                                 rate_idx = 0;
  79                                 break;
  80                         case DESC92C_RATE2M:
  81                                 rate_idx = 1;
  82                                 break;
  83                         case DESC92C_RATE5_5M:
  84                                 rate_idx = 2;
  85                                 break;
  86                         case DESC92C_RATE11M:
  87                                 rate_idx = 3;
  88                                 break;
  89                         case DESC92C_RATE6M:
  90                                 rate_idx = 4;
  91                                 break;
  92                         case DESC92C_RATE9M:
  93                                 rate_idx = 5;
  94                                 break;
  95                         case DESC92C_RATE12M:
  96                                 rate_idx = 6;
  97                                 break;
  98                         case DESC92C_RATE18M:
  99                                 rate_idx = 7;
 100                                 break;
 101                         case DESC92C_RATE24M:
 102                                 rate_idx = 8;
 103                                 break;
 104                         case DESC92C_RATE36M:
 105                                 rate_idx = 9;
 106                                 break;
 107                         case DESC92C_RATE48M:
 108                                 rate_idx = 10;
 109                                 break;
 110                         case DESC92C_RATE54M:
 111                                 rate_idx = 11;
 112                                 break;
 113                         default:
 114                                 rate_idx = 0;
 115                                 break;
 116                         }
 117                 } else {
 118                         switch (desc_rate) {
 119                         case DESC92C_RATE6M:
 120                                 rate_idx = 0;
 121                                 break;
 122                         case DESC92C_RATE9M:
 123                                 rate_idx = 1;
 124                                 break;
 125                         case DESC92C_RATE12M:
 126                                 rate_idx = 2;
 127                                 break;
 128                         case DESC92C_RATE18M:
 129                                 rate_idx = 3;
 130                                 break;
 131                         case DESC92C_RATE24M:
 132                                 rate_idx = 4;
 133                                 break;
 134                         case DESC92C_RATE36M:
 135                                 rate_idx = 5;
 136                                 break;
 137                         case DESC92C_RATE48M:
 138                                 rate_idx = 6;
 139                                 break;
 140                         case DESC92C_RATE54M:
 141                                 rate_idx = 7;
 142                                 break;
 143                         default:
 144                                 rate_idx = 0;
 145                                 break;
 146                         }
 147                 }
 148         } else {
 149                 switch (desc_rate) {
 150                 case DESC92C_RATEMCS0:
 151                         rate_idx = 0;
 152                         break;
 153                 case DESC92C_RATEMCS1:
 154                         rate_idx = 1;
 155                         break;
 156                 case DESC92C_RATEMCS2:
 157                         rate_idx = 2;
 158                         break;
 159                 case DESC92C_RATEMCS3:
 160                         rate_idx = 3;
 161                         break;
 162                 case DESC92C_RATEMCS4:
 163                         rate_idx = 4;
 164                         break;
 165                 case DESC92C_RATEMCS5:
 166                         rate_idx = 5;
 167                         break;
 168                 case DESC92C_RATEMCS6:
 169                         rate_idx = 6;
 170                         break;
 171                 case DESC92C_RATEMCS7:
 172                         rate_idx = 7;
 173                         break;
 174                 case DESC92C_RATEMCS8:
 175                         rate_idx = 8;
 176                         break;
 177                 case DESC92C_RATEMCS9:
 178                         rate_idx = 9;
 179                         break;
 180                 case DESC92C_RATEMCS10:
 181                         rate_idx = 10;
 182                         break;
 183                 case DESC92C_RATEMCS11:
 184                         rate_idx = 11;
 185                         break;
 186                 case DESC92C_RATEMCS12:
 187                         rate_idx = 12;
 188                         break;
 189                 case DESC92C_RATEMCS13:
 190                         rate_idx = 13;
 191                         break;
 192                 case DESC92C_RATEMCS14:
 193                         rate_idx = 14;
 194                         break;
 195                 case DESC92C_RATEMCS15:
 196                         rate_idx = 15;
 197                         break;
 198                 default:
 199                         rate_idx = 0;
 200                         break;
 201                 }
 202         }
 203         return rate_idx;
 204 }
 205
 206 static void _rtl8723e_query_rxphystatus(struct ieee80211_hw *hw,
 207                                         struct rtl_stats *pstatus, u8 *pdesc,
 208                                         struct rx_fwinfo_8723e *p_drvinfo,
 209                                         bool bpacket_match_bssid,
 210                                         bool bpacket_toself, bool packet_beacon)
 211 {
 212         struct rtl_priv *rtlpriv = rtl_priv(hw);
 213         struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
 214         struct phy_sts_cck_8723e_t *cck_buf;
 215         s8 rx_pwr_all = 0, rx_pwr[4];
 216         u8 rf_rx_num = 0, evm, pwdb_all;
 217         u8 i, max_spatial_stream;
 218         u32 rssi, total_rssi = 0;
 219         bool is_cck = pstatus->is_cck;
 220
 221         /* Record it for next packet processing */
 222         pstatus->packet_matchbssid = bpacket_match_bssid;
 223         pstatus->packet_toself = bpacket_toself;
 224         pstatus->packet_beacon = packet_beacon;
 225         pstatus->rx_mimo_signalquality[0] = -1;
 226         pstatus->rx_mimo_signalquality[1] = -1;
 227
 228         if (is_cck) {
 229                 u8 report, cck_highpwr;
 230
 231                 /* CCK Driver info Structure is not the same as OFDM packet. */
 232                 cck_buf = (struct phy_sts_cck_8723e_t *)p_drvinfo;
 233
 234                 /* (1)Hardware does not provide RSSI for CCK */
 235                 /* (2)PWDB, Average PWDB cacluated by
 236                  * hardware (for rate adaptive)
 237                  */
 238                 if (ppsc->rfpwr_state == ERFON)
 239                         cck_highpwr = (u8)rtl_get_bbreg(hw,
 240                                         RFPGA0_XA_HSSIPARAMETER2,
 241                                         BIT(9));
 242                 else
 243                         cck_highpwr = false;
 244
 245                 if (!cck_highpwr) {
 246                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 247                         report = cck_buf->cck_agc_rpt & 0xc0;
 248                         report = report >> 6;
 249                         switch (report) {
 250                         case 0x3:
 251                                 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
 252                                 break;
 253                         case 0x2:
 254                                 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
 255                                 break;
 256                         case 0x1:
 257                                 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
 258                                 break;
 259                         case 0x0:
 260                                 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
 261                                 break;
 262                         }
 263                 } else {
 264                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 265                         report = p_drvinfo->cfosho[0] & 0x60;
 266                         report = report >> 5;
 267                         switch (report) {
 268                         case 0x3:
 269                                 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
 270                                 break;
 271                         case 0x2:
 272                                 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
 273                                 break;
 274                         case 0x1:
 275                                 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
 276                                 break;
 277                         case 0x0:
 278                                 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
 279                                 break;
 280                         }
 281                 }
 282
 283                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 284                 /* CCK gain is smaller than OFDM/MCS gain,  */
 285                 /* so we add gain diff by experiences,
 286                  * the val is 6
 287                  */
 288                 pwdb_all += 6;
 289                 if (pwdb_all > 100)
 290                         pwdb_all = 100;
 291                 /* modify the offset to make the same
 292                  * gain index with OFDM.
 293                  */
 294                 if (pwdb_all > 34 && pwdb_all <= 42)
 295                         pwdb_all -= 2;
 296                 else if (pwdb_all > 26 && pwdb_all <= 34)
 297                         pwdb_all -= 6;
 298                 else if (pwdb_all > 14 && pwdb_all <= 26)
 299                         pwdb_all -= 8;
 300                 else if (pwdb_all > 4 && pwdb_all <= 14)
 301                         pwdb_all -= 4;
 302
 303                 pstatus->rx_pwdb_all = pwdb_all;
 304                 pstatus->recvsignalpower = rx_pwr_all;
 305
 306                 /* (3) Get Signal Quality (EVM) */
 307                 if (bpacket_match_bssid) {
 308                         u8 sq;
 309
 310                         if (pstatus->rx_pwdb_all > 40)
 311                                 sq = 100;
 312                         else {
 313                                 sq = cck_buf->sq_rpt;
 314                                 if (sq > 64)
 315                                         sq = 0;
 316                                 else if (sq < 20)
 317                                         sq = 100;
 318                                 else
 319                                         sq = ((64 - sq) * 100) / 44;
 320                         }
 321
 322                         pstatus->signalquality = sq;
 323                         pstatus->rx_mimo_signalquality[0] = sq;
 324                         pstatus->rx_mimo_signalquality[1] = -1;
 325                 }
 326         } else {
 327                 rtlpriv->dm.rfpath_rxenable[0] =
 328                     rtlpriv->dm.rfpath_rxenable[1] = true;
 329
 330                 /* (1)Get RSSI for HT rate */
 331                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 332
 333                         /* we will judge RF RX path now. */
 334                         if (rtlpriv->dm.rfpath_rxenable[i])
 335                                 rf_rx_num++;
 336
 337                         rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
 338                                       0x3f) * 2) - 110;
 339
 340                         /* Translate DBM to percentage. */
 341                         rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 342                         total_rssi += rssi;
 343
 344                         /* Get Rx snr value in DB */
 345                         rtlpriv->stats.rx_snr_db[i] =
 346                                 (long)(p_drvinfo->rxsnr[i] / 2);
 347
 348                         /* Record Signal Strength for next packet */
 349                         if (bpacket_match_bssid)
 350                                 pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
 351                 }
 352
 353                 /* (2)PWDB, Average PWDB cacluated by
 354                  * hardware (for rate adaptive)
 355                  */
 356                 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 357
 358                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 359                 pstatus->rx_pwdb_all = pwdb_all;
 360                 pstatus->rxpower = rx_pwr_all;
 361                 pstatus->recvsignalpower = rx_pwr_all;
 362
 363                 /* (3)EVM of HT rate */
 364                 if (pstatus->is_ht && pstatus->rate >= DESC92C_RATEMCS8 &&
 365                     pstatus->rate <= DESC92C_RATEMCS15)
 366                         max_spatial_stream = 2;
 367                 else
 368                         max_spatial_stream = 1;
 369
 370                 for (i = 0; i < max_spatial_stream; i++) {
 371                         evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 372
 373                         if (bpacket_match_bssid) {
 374                                 /* Fill value in RFD, Get the first
 375                                  * spatial stream only
 376                                  */
 377                                 if (i == 0)
 378                                         pstatus->signalquality =
 379                                                 (u8)(evm & 0xff);
 380                                 pstatus->rx_mimo_signalquality[i] =
 381                                         (u8)(evm & 0xff);
 382                         }
 383                 }
 384         }
 385
 386         /* UI BSS List signal strength(in percentage),
 387          * make it good looking, from 0~100.
 388          */
 389         if (is_cck)
 390                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 391                         pwdb_all));
 392         else if (rf_rx_num != 0)
 393                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 394                         total_rssi /= rf_rx_num));
 395 }
 396
 397 static void translate_rx_signal_stuff(struct ieee80211_hw *hw,
 398                                       struct sk_buff *skb,
 399                                       struct rtl_stats *pstatus, u8 *pdesc,
 400                                       struct rx_fwinfo_8723e *p_drvinfo)
 401 {
 402         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 403         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 404         struct ieee80211_hdr *hdr;
 405         u8 *tmp_buf;
 406         u8 *praddr;
 407         /*u8 *psaddr;*/
 408         u16 fc, type;
 409         bool packet_matchbssid, packet_toself, packet_beacon;
 410
 411         tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 412
 413         hdr = (struct ieee80211_hdr *)tmp_buf;
 414         fc = le16_to_cpu(hdr->frame_control);
 415         type = WLAN_FC_GET_TYPE(hdr->frame_control);
 416         praddr = hdr->addr1;
 417
 418         packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 419                 (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
 420                  hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
 421                  hdr->addr2 : hdr->addr3)) &&
 422                  (!pstatus->hwerror) &&
 423                  (!pstatus->crc) && (!pstatus->icv));
 424
 425         packet_toself = packet_matchbssid &&
 426             (ether_addr_equal(praddr, rtlefuse->dev_addr));
 427
 428         if (ieee80211_is_beacon(hdr->frame_control))
 429                 packet_beacon = true;
 430         else
 431                 packet_beacon = false;
 432
 433         _rtl8723e_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 434                                     packet_matchbssid, packet_toself,
 435                                     packet_beacon);
 436
 437         rtl_process_phyinfo(hw, tmp_buf, pstatus);
 438 }
 439
 440 bool rtl8723e_rx_query_desc(struct ieee80211_hw *hw,
 441                             struct rtl_stats *status,
 442                             struct ieee80211_rx_status *rx_status,
 443                             u8 *pdesc, struct sk_buff *skb)
 444 {
 445         struct rx_fwinfo_8723e *p_drvinfo;
 446         struct ieee80211_hdr *hdr;
 447         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 448
 449         status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
 450         status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 451             RX_DRV_INFO_SIZE_UNIT;
 452         status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
 453         status->icv = (u16)GET_RX_DESC_ICV(pdesc);
 454         status->crc = (u16)GET_RX_DESC_CRC32(pdesc);
 455         status->hwerror = (status->crc | status->icv);
 456         status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 457         status->rate = (u8)GET_RX_DESC_RXMCS(pdesc);
 458         status->shortpreamble = (u16)GET_RX_DESC_SPLCP(pdesc);
 459         status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
 460         status->isfirst_ampdu = (bool)((GET_RX_DESC_PAGGR(pdesc) == 1) &&
 461                                        (GET_RX_DESC_FAGGR(pdesc) == 1));
 462         status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 463         status->rx_is40Mhzpacket = (bool)GET_RX_DESC_BW(pdesc);
 464         status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
 465
 466         status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
 467
 468         rx_status->freq = hw->conf.chandef.chan->center_freq;
 469         rx_status->band = hw->conf.chandef.chan->band;
 470
 471         hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
 472                         + status->rx_bufshift);
 473
 474         if (status->crc)
 475                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 476
 477         if (status->rx_is40Mhzpacket)
 478                 rx_status->flag |= RX_FLAG_40MHZ;
 479
 480         if (status->is_ht)
 481                 rx_status->flag |= RX_FLAG_HT;
 482
 483         rx_status->flag |= RX_FLAG_MACTIME_START;
 484
 485         /* hw will set status->decrypted true, if it finds the
 486          * frame is open data frame or mgmt frame.
 487          * So hw will not decryption robust managment frame
 488          * for IEEE80211w but still set status->decrypted
 489          * true, so here we should set it back to undecrypted
 490          * for IEEE80211w frame, and mac80211 sw will help
 491          * to decrypt it
 492          */
 493         if (status->decrypted) {
 494                 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
 495                     (ieee80211_has_protected(hdr->frame_control)))
 496                         rx_status->flag |= RX_FLAG_DECRYPTED;
 497                 else
 498                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 499         }
 500
 501         /* rate_idx: index of data rate into band's
 502          * supported rates or MCS index if HT rates
 503          * are use (RX_FLAG_HT)
 504          * Notice: this is diff with windows define
 505          */
 506         rx_status->rate_idx = _rtl8723e_rate_mapping(hw,
 507                                 status->is_ht, status->rate);
 508
 509         rx_status->mactime = status->timestamp_low;
 510         if (phystatus == true) {
 511                 p_drvinfo = (struct rx_fwinfo_8723e *)(skb->data +
 512                                                      status->rx_bufshift);
 513
 514                 translate_rx_signal_stuff(hw, skb, status, pdesc, p_drvinfo);
 515         }
 516         rx_status->signal = status->recvsignalpower + 10;
 517         return true;
 518 }
 519
 520 void rtl8723e_tx_fill_desc(struct ieee80211_hw *hw,
 521                            struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 522                            u8 *txbd, struct ieee80211_tx_info *info,
 523                            struct ieee80211_sta *sta,
 524                            struct sk_buff *skb,
 525                            u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 526 {
 527         struct rtl_priv *rtlpriv = rtl_priv(hw);
 528         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 529         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 530         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 531         bool b_defaultadapter = true;
 532         /* bool b_trigger_ac = false; */
 533         u8 *pdesc = (u8 *)pdesc_tx;
 534         u16 seq_number;
 535         __le16 fc = hdr->frame_control;
 536         u8 fw_qsel = _rtl8723e_map_hwqueue_to_fwqueue(skb, hw_queue);
 537         bool firstseg = ((hdr->seq_ctrl &
 538                           cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 539
 540         bool lastseg = ((hdr->frame_control &
 541                          cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 542
 543         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 544                                             skb->data, skb->len,
 545                                             PCI_DMA_TODEVICE);
 546         u8 bw_40 = 0;
 547
 548         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 549                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 550                          "DMA mapping error");
 551                 return;
 552         }
 553         if (mac->opmode == NL80211_IFTYPE_STATION) {
 554                 bw_40 = mac->bw_40;
 555         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 556                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 557                 if (sta)
 558                         bw_40 = sta->ht_cap.cap &
 559                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 560         }
 561
 562         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 563
 564         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 565
 566         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8723e));
 567
 568         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 569                 firstseg = true;
 570                 lastseg = true;
 571         }
 572
 573         if (firstseg) {
 574                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 575
 576                 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
 577
 578                 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
 579                         SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
 580
 581                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 582                         SET_TX_DESC_AGG_BREAK(pdesc, 1);
 583                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 584                 }
 585                 SET_TX_DESC_SEQ(pdesc, seq_number);
 586
 587                 SET_TX_DESC_RTS_ENABLE(pdesc,
 588                                        ((ptcb_desc->rts_enable &&
 589                                         !ptcb_desc->cts_enable) ? 1 : 0));
 590                 SET_TX_DESC_HW_RTS_ENABLE(pdesc,
 591                                           ((ptcb_desc->rts_enable ||
 592                                           ptcb_desc->cts_enable) ? 1 : 0));
 593                 SET_TX_DESC_CTS2SELF(pdesc,
 594                                      ((ptcb_desc->cts_enable) ? 1 : 0));
 595                 SET_TX_DESC_RTS_STBC(pdesc,
 596                                      ((ptcb_desc->rts_stbc) ? 1 : 0));
 597
 598                 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 599                 SET_TX_DESC_RTS_BW(pdesc, 0);
 600                 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
 601                 SET_TX_DESC_RTS_SHORT(pdesc,
 602                                 ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
 603                                 (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
 604                                 : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 605
 606                 if (bw_40) {
 607                         if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 608                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 609                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 610                         } else {
 611                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 612                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
 613                                         mac->cur_40_prime_sc);
 614                         }
 615                 } else {
 616                         SET_TX_DESC_DATA_BW(pdesc, 0);
 617                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 618                 }
 619
 620                 SET_TX_DESC_LINIP(pdesc, 0);
 621                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
 622
 623                 if (sta) {
 624                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 625                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 626                 }
 627
 628                 if (info->control.hw_key) {
 629                         struct ieee80211_key_conf *keyconf =
 630                             info->control.hw_key;
 631
 632                         switch (keyconf->cipher) {
 633                         case WLAN_CIPHER_SUITE_WEP40:
 634                         case WLAN_CIPHER_SUITE_WEP104:
 635                         case WLAN_CIPHER_SUITE_TKIP:
 636                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 637                                 break;
 638                         case WLAN_CIPHER_SUITE_CCMP:
 639                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 640                                 break;
 641                         default:
 642                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 643                                 break;
 644
 645                         }
 646                 }
 647
 648                 SET_TX_DESC_PKT_ID(pdesc, 0);
 649                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 650
 651                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 652                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 653                 SET_TX_DESC_DISABLE_FB(pdesc, 0);
 654                 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 655
 656                 if (ieee80211_is_data_qos(fc)) {
 657                         if (mac->rdg_en) {
 658                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 659                                          "Enable RDG function.\n");
 660                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 661                                 SET_TX_DESC_HTC(pdesc, 1);
 662                         }
 663                 }
 664         }
 665
 666         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 667         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 668
 669         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
 670
 671         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 672
 673         if (rtlpriv->dm.useramask) {
 674                 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
 675                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 676         } else {
 677                 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
 678                 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
 679         }
 680
 681         if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
 682                 SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
 683                 /* SET_TX_DESC_HWSEQ_EN(pdesc, 1); */
 684                 /* SET_TX_DESC_PKT_ID(pdesc, 8); */
 685
 686                 if (!b_defaultadapter)
 687                         SET_TX_DESC_HWSEQ_SEL_8723(pdesc, 1);
 688         /* SET_TX_DESC_QOS(pdesc, 1); */
 689         }
 690
 691         SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 692
 693         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 694             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 695                 SET_TX_DESC_BMC(pdesc, 1);
 696         }
 697
 698         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 699 }
 700
 701 void rtl8723e_tx_fill_cmddesc(struct ieee80211_hw *hw,
 702                               u8 *pdesc, bool firstseg,
 703                               bool lastseg, struct sk_buff *skb)
 704 {
 705         struct rtl_priv *rtlpriv = rtl_priv(hw);
 706         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 707         u8 fw_queue = QSLT_BEACON;
 708
 709         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 710                                             skb->data, skb->len,
 711                                             PCI_DMA_TODEVICE);
 712
 713         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
 714         __le16 fc = hdr->frame_control;
 715
 716         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 717                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 718                          "DMA mapping error");
 719                 return;
 720         }
 721         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 722
 723         if (firstseg)
 724                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 725
 726         SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
 727
 728         SET_TX_DESC_SEQ(pdesc, 0);
 729
 730         SET_TX_DESC_LINIP(pdesc, 0);
 731
 732         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 733
 734         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 735         SET_TX_DESC_LAST_SEG(pdesc, 1);
 736
 737         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
 738
 739         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 740
 741         SET_TX_DESC_RATE_ID(pdesc, 7);
 742         SET_TX_DESC_MACID(pdesc, 0);
 743
 744         SET_TX_DESC_OWN(pdesc, 1);
 745
 746         SET_TX_DESC_PKT_SIZE((u8 *)pdesc, (u16)(skb->len));
 747
 748         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 749         SET_TX_DESC_LAST_SEG(pdesc, 1);
 750
 751         SET_TX_DESC_OFFSET(pdesc, 0x20);
 752
 753         SET_TX_DESC_USE_RATE(pdesc, 1);
 754
 755         if (!ieee80211_is_data_qos(fc)) {
 756                 SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
 757                 /* SET_TX_DESC_HWSEQ_EN(pdesc, 1); */
 758                 /* SET_TX_DESC_PKT_ID(pdesc, 8); */
 759         }
 760
 761         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 762                       "H2C Tx Cmd Content\n",
 763                       pdesc, TX_DESC_SIZE);
 764 }
 765
 766 void rtl8723e_set_desc(struct ieee80211_hw *hw, u8 *pdesc,
 767                        bool istx, u8 desc_name, u8 *val)
 768 {
 769         if (istx == true) {
 770                 switch (desc_name) {
 771                 case HW_DESC_OWN:
 772                         SET_TX_DESC_OWN(pdesc, 1);
 773                         break;
 774                 case HW_DESC_TX_NEXTDESC_ADDR:
 775                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
 776                         break;
 777                 default:
 778                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
 779                                   desc_name);
 780                         break;
 781                 }
 782         } else {
 783                 switch (desc_name) {
 784                 case HW_DESC_RXOWN:
 785                         SET_RX_DESC_OWN(pdesc, 1);
 786                         break;
 787                 case HW_DESC_RXBUFF_ADDR:
 788                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
 789                         break;
 790                 case HW_DESC_RXPKT_LEN:
 791                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
 792                         break;
 793                 case HW_DESC_RXERO:
 794                         SET_RX_DESC_EOR(pdesc, 1);
 795                         break;
 796                 default:
 797                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 798                                   desc_name);
 799                         break;
 800                 }
 801         }
 802 }
 803
 804 u32 rtl8723e_get_desc(u8 *pdesc, bool istx, u8 desc_name)
 805 {
 806         u32 ret = 0;
 807
 808         if (istx == true) {
 809                 switch (desc_name) {
 810                 case HW_DESC_OWN:
 811                         ret = GET_TX_DESC_OWN(pdesc);
 812                         break;
 813                 case HW_DESC_TXBUFF_ADDR:
 814                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
 815                         break;
 816                 default:
 817                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
 818                                   desc_name);
 819                         break;
 820                 }
 821         } else {
 822                 switch (desc_name) {
 823                 case HW_DESC_OWN:
 824                         ret = GET_RX_DESC_OWN(pdesc);
 825                         break;
 826                 case HW_DESC_RXPKT_LEN:
 827                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 828                         break;
 829                 case HW_DESC_RXBUFF_ADDR:
 830                         ret = GET_RX_DESC_BUFF_ADDR(pdesc);
 831                         break;
 832                 default:
 833                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 834                                   desc_name);
 835                         break;
 836                 }
 837         }
 838         return ret;
 839 }
 840
 841 bool rtl8723e_is_tx_desc_closed(struct ieee80211_hw *hw,
 842                                 u8 hw_queue, u16 index)
 843 {
 844         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 845         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 846         u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 847         u8 own = (u8)rtl8723e_get_desc(entry, true, HW_DESC_OWN);
 848
 849         /**
 850          *beacon packet will only use the first
 851          *descriptor defautly,and the own may not
 852          *be cleared by the hardware
 853          */
 854         if (own)
 855                 return false;
 856         return true;
 857 }
 858
 859 void rtl8723e_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 860 {
 861         struct rtl_priv *rtlpriv = rtl_priv(hw);
 862         if (hw_queue == BEACON_QUEUE) {
 863                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 864         } else {
 865                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 866                                BIT(0) << (hw_queue));
 867         }
 868 }
 869
 870 u32 rtl8723e_rx_command_packet(struct ieee80211_hw *hw,
 871                                struct rtl_stats status,
 872                                struct sk_buff *skb)
 873 {
 874         return 0;
 875 }