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  * 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 "../stats.h"
  34 #include "reg.h"
  35 #include "def.h"
  36 #include "phy.h"
  37 #include "trx.h"
  38 #include "led.h"
  39
  40 static u8 _rtl8723ae_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
  41 {
  42         __le16 fc = rtl_get_fc(skb);
  43
  44         if (unlikely(ieee80211_is_beacon(fc)))
  45                 return QSLT_BEACON;
  46         if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
  47                 return QSLT_MGNT;
  48
  49         return skb->priority;
  50 }
  51
  52 static void _rtl8723ae_query_rxphystatus(struct ieee80211_hw *hw,
  53                         struct rtl_stats *pstatus, u8 *pdesc,
  54                         struct rx_fwinfo_8723e *p_drvinfo,
  55                         bool bpacket_match_bssid,
  56                         bool bpacket_toself, bool packet_beacon)
  57 {
  58         struct rtl_priv *rtlpriv = rtl_priv(hw);
  59         struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
  60         struct phy_sts_cck_8723e_t *cck_buf;
  61         s8 rx_pwr_all, rx_pwr[4];
  62         u8 rf_rx_num = 0, evm, pwdb_all;
  63         u8 i, max_spatial_stream;
  64         u32 rssi, total_rssi = 0;
  65         bool is_cck = pstatus->is_cck;
  66
  67         /* Record it for next packet processing */
  68         pstatus->packet_matchbssid = bpacket_match_bssid;
  69         pstatus->packet_toself = bpacket_toself;
  70         pstatus->packet_beacon = packet_beacon;
  71         pstatus->rx_mimo_sig_qual[0] = -1;
  72         pstatus->rx_mimo_sig_qual[1] = -1;
  73
  74         if (is_cck) {
  75                 u8 report, cck_highpwr;
  76
  77                 /* CCK Driver info Structure is not the same as OFDM packet. */
  78                 cck_buf = (struct phy_sts_cck_8723e_t *)p_drvinfo;
  79
  80                 /* (1)Hardware does not provide RSSI for CCK
  81                  * (2)PWDB, Average PWDB cacluated by
  82                  * hardware (for rate adaptive)
  83                  */
  84                 if (ppsc->rfpwr_state == ERFON)
  85                         cck_highpwr = (u8) rtl_get_bbreg(hw,
  86                                                  RFPGA0_XA_HSSIPARAMETER2,
  87                                                  BIT(9));
  88                 else
  89                         cck_highpwr = false;
  90
  91                 if (!cck_highpwr) {
  92                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
  93                         report = cck_buf->cck_agc_rpt & 0xc0;
  94                         report = report >> 6;
  95                         switch (report) {
  96                         case 0x3:
  97                                 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
  98                                 break;
  99                         case 0x2:
 100                                 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
 101                                 break;
 102                         case 0x1:
 103                                 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
 104                                 break;
 105                         case 0x0:
 106                                 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
 107                                 break;
 108                         }
 109                 } else {
 110                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 111                         report = p_drvinfo->cfosho[0] & 0x60;
 112                         report = report >> 5;
 113                         switch (report) {
 114                         case 0x3:
 115                                 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
 116                                 break;
 117                         case 0x2:
 118                                 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
 119                                 break;
 120                         case 0x1:
 121                                 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
 122                                 break;
 123                         case 0x0:
 124                                 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
 125                                 break;
 126                         }
 127                 }
 128
 129                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 130                 /* CCK gain is smaller than OFDM/MCS gain,
 131                  * so we add gain diff. From experience, the val is 6
 132                  */
 133                 pwdb_all += 6;
 134                 if (pwdb_all > 100)
 135                         pwdb_all = 100;
 136                 /* modify the offset to make the same
 137                  * gain index with OFDM.
 138                  */
 139                 if (pwdb_all > 34 && pwdb_all <= 42)
 140                         pwdb_all -= 2;
 141                 else if (pwdb_all > 26 && pwdb_all <= 34)
 142                         pwdb_all -= 6;
 143                 else if (pwdb_all > 14 && pwdb_all <= 26)
 144                         pwdb_all -= 8;
 145                 else if (pwdb_all > 4 && pwdb_all <= 14)
 146                         pwdb_all -= 4;
 147
 148                 pstatus->rx_pwdb_all = pwdb_all;
 149                 pstatus->recvsignalpower = rx_pwr_all;
 150
 151                 /* (3) Get Signal Quality (EVM) */
 152                 if (bpacket_match_bssid) {
 153                         u8 sq;
 154
 155                         if (pstatus->rx_pwdb_all > 40) {
 156                                 sq = 100;
 157                         } else {
 158                                 sq = cck_buf->sq_rpt;
 159                                 if (sq > 64)
 160                                         sq = 0;
 161                                 else if (sq < 20)
 162                                         sq = 100;
 163                                 else
 164                                         sq = ((64 - sq) * 100) / 44;
 165                         }
 166
 167                         pstatus->signalquality = sq;
 168                         pstatus->rx_mimo_sig_qual[0] = sq;
 169                         pstatus->rx_mimo_sig_qual[1] = -1;
 170                 }
 171         } else {
 172                 rtlpriv->dm.rfpath_rxenable[0] =
 173                     rtlpriv->dm.rfpath_rxenable[1] = true;
 174
 175                 /* (1)Get RSSI for HT rate */
 176                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 177
 178                         /* we will judge RF RX path now. */
 179                         if (rtlpriv->dm.rfpath_rxenable[i])
 180                                 rf_rx_num++;
 181
 182                         rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f)*2) - 110;
 183
 184                         /* Translate DBM to percentage. */
 185                         rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 186                         total_rssi += rssi;
 187
 188                         /* Get Rx snr value in DB */
 189                         rtlpriv->stats.rx_snr_db[i] = (p_drvinfo->rxsnr[i] / 2);
 190
 191                         /* Record Signal Strength for next packet */
 192                         if (bpacket_match_bssid)
 193                                 pstatus->rx_mimo_signalstrength[i] = (u8) rssi;
 194                 }
 195
 196                 /* (2)PWDB, Average PWDB cacluated by
 197                  * hardware (for rate adaptive)
 198                  */
 199                 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 200
 201                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 202                 pstatus->rx_pwdb_all = pwdb_all;
 203                 pstatus->rxpower = rx_pwr_all;
 204                 pstatus->recvsignalpower = rx_pwr_all;
 205
 206                 /* (3)EVM of HT rate */
 207                 if (pstatus->is_ht && pstatus->rate >= DESC92_RATEMCS8 &&
 208                     pstatus->rate <= DESC92_RATEMCS15)
 209                         max_spatial_stream = 2;
 210                 else
 211                         max_spatial_stream = 1;
 212
 213                 for (i = 0; i < max_spatial_stream; i++) {
 214                         evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 215
 216                         if (bpacket_match_bssid) {
 217                                 /* Fill value in RFD, Get the first
 218                                  * spatial stream only
 219                                  */
 220                                 if (i == 0)
 221                                         pstatus->signalquality = (evm & 0xff);
 222                                 pstatus->rx_mimo_sig_qual[i] = (evm & 0xff);
 223                         }
 224                 }
 225         }
 226
 227         /* UI BSS List signal strength(in percentage),
 228          * make it good looking, from 0~100.
 229          */
 230         if (is_cck)
 231                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 232                         pwdb_all));
 233         else if (rf_rx_num != 0)
 234                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 235                         total_rssi /= rf_rx_num));
 236 }
 237
 238 static void _rtl8723ae_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 239                 struct sk_buff *skb, struct rtl_stats *pstatus,
 240                 u8 *pdesc, struct rx_fwinfo_8723e *p_drvinfo)
 241 {
 242         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 243         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 244         struct ieee80211_hdr *hdr;
 245         u8 *tmp_buf;
 246         u8 *praddr;
 247         __le16 fc;
 248         u16 type;
 249         bool packet_matchbssid, packet_toself, packet_beacon = false;
 250
 251         tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 252
 253         hdr = (struct ieee80211_hdr *)tmp_buf;
 254         fc = hdr->frame_control;
 255         type = WLAN_FC_GET_TYPE(fc);
 256         praddr = hdr->addr1;
 257
 258         packet_matchbssid =
 259                 ((IEEE80211_FTYPE_CTL != type) &&
 260                  ether_addr_equal(mac->bssid,
 261                                   (le16_to_cpu(fc) & IEEE80211_FCTL_TODS) ? hdr->addr1 :
 262                                   (le16_to_cpu(fc) & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
 263                                   hdr->addr3) &&
 264                  (!pstatus->hwerror) && (!pstatus->crc) && (!pstatus->icv));
 265
 266         packet_toself = (packet_matchbssid &&
 267                          ether_addr_equal(praddr, rtlefuse->dev_addr));
 268
 269         if (ieee80211_is_beacon(fc))
 270                 packet_beacon = true;
 271
 272         _rtl8723ae_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 273                                    packet_matchbssid, packet_toself,
 274                                    packet_beacon);
 275
 276         rtl_process_phyinfo(hw, tmp_buf, pstatus);
 277 }
 278
 279 bool rtl8723ae_rx_query_desc(struct ieee80211_hw *hw,
 280                              struct rtl_stats *status,
 281                              struct ieee80211_rx_status *rx_status,
 282                              u8 *pdesc, struct sk_buff *skb)
 283 {
 284         struct rx_fwinfo_8723e *p_drvinfo;
 285         struct ieee80211_hdr *hdr;
 286         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 287
 288         status->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
 289         status->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 290                                    RX_DRV_INFO_SIZE_UNIT;
 291         status->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
 292         status->icv = (u16) GET_RX_DESC_ICV(pdesc);
 293         status->crc = (u16) GET_RX_DESC_CRC32(pdesc);
 294         status->hwerror = (status->crc | status->icv);
 295         status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 296         status->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
 297         status->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
 298         status->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 299         status->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
 300                                  && (GET_RX_DESC_FAGGR(pdesc) == 1));
 301         status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 302         status->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
 303         status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
 304
 305         status->is_cck = RTL8723E_RX_HAL_IS_CCK_RATE(status->rate);
 306
 307         rx_status->freq = hw->conf.chandef.chan->center_freq;
 308         rx_status->band = hw->conf.chandef.chan->band;
 309
 310         if (status->crc)
 311                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 312
 313         if (status->rx_is40Mhzpacket)
 314                 rx_status->flag |= RX_FLAG_40MHZ;
 315
 316         if (status->is_ht)
 317                 rx_status->flag |= RX_FLAG_HT;
 318
 319         rx_status->flag |= RX_FLAG_MACTIME_START;
 320
 321         /* hw will set status->decrypted true, if it finds the
 322          * frame is open data frame or mgmt frame.
 323          * Thus hw will not decrypt a robust managment frame
 324          * for IEEE80211w but still set status->decrypted
 325          * true, so here we should set it back to undecrypted
 326          * for IEEE80211w frame, and mac80211 sw will help
 327          * to decrypt it
 328          */
 329         if (status->decrypted) {
 330                 hdr = (struct ieee80211_hdr *)(skb->data +
 331                        status->rx_drvinfo_size + status->rx_bufshift);
 332
 333                 if (!hdr) {
 334                         /* during testing, hdr could be NULL here */
 335                         return false;
 336                 }
 337                 if ((_ieee80211_is_robust_mgmt_frame(hdr)) &&
 338                         (ieee80211_has_protected(hdr->frame_control)))
 339                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 340                 else
 341                         rx_status->flag |= RX_FLAG_DECRYPTED;
 342         }
 343
 344         /* rate_idx: index of data rate into band's
 345          * supported rates or MCS index if HT rates
 346          * are use (RX_FLAG_HT)
 347          */
 348         rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
 349                                                    status->rate, false);
 350
 351         rx_status->mactime = status->timestamp_low;
 352         if (phystatus == true) {
 353                 p_drvinfo = (struct rx_fwinfo_8723e *)(skb->data +
 354                              status->rx_bufshift);
 355
 356                 _rtl8723ae_translate_rx_signal_stuff(hw,
 357                            skb, status, pdesc, p_drvinfo);
 358         }
 359
 360         /*rx_status->qual = status->signal; */
 361         rx_status->signal = status->recvsignalpower + 10;
 362
 363         return true;
 364 }
 365
 366 void rtl8723ae_tx_fill_desc(struct ieee80211_hw *hw,
 367                             struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 368                             u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
 369                             struct ieee80211_sta *sta,
 370                             struct sk_buff *skb, u8 hw_queue,
 371                             struct rtl_tcb_desc *ptcdesc)
 372 {
 373         struct rtl_priv *rtlpriv = rtl_priv(hw);
 374         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 375         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 376         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 377         bool defaultadapter = true;
 378         u8 *pdesc = pdesc_tx;
 379         u16 seq_number;
 380         __le16 fc = hdr->frame_control;
 381         u8 fw_qsel = _rtl8723ae_map_hwqueue_to_fwqueue(skb, hw_queue);
 382         bool firstseg = ((hdr->seq_ctrl &
 383                             cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 384         bool lastseg = ((hdr->frame_control &
 385                            cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 386         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 387                                             skb->data, skb->len,
 388                                             PCI_DMA_TODEVICE);
 389         u8 bw_40 = 0;
 390
 391         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 392                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 393                          "DMA mapping error");
 394                 return;
 395         }
 396         if (mac->opmode == NL80211_IFTYPE_STATION) {
 397                 bw_40 = mac->bw_40;
 398         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 399                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 400                 if (sta)
 401                         bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
 402         }
 403
 404         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 405
 406         rtl_get_tcb_desc(hw, info, sta, skb, ptcdesc);
 407
 408         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8723e));
 409
 410         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 411                 firstseg = true;
 412                 lastseg = true;
 413         }
 414
 415         if (firstseg) {
 416                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 417
 418                 SET_TX_DESC_TX_RATE(pdesc, ptcdesc->hw_rate);
 419
 420                 if (ptcdesc->use_shortgi || ptcdesc->use_shortpreamble)
 421                         SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
 422
 423                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 424                         SET_TX_DESC_AGG_BREAK(pdesc, 1);
 425                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 426                 }
 427                 SET_TX_DESC_SEQ(pdesc, seq_number);
 428
 429                 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcdesc->rts_enable &&
 430                                                 !ptcdesc->
 431                                                 cts_enable) ? 1 : 0));
 432                 SET_TX_DESC_HW_RTS_ENABLE(pdesc,
 433                                           ((ptcdesc->rts_enable
 434                                             || ptcdesc->cts_enable) ? 1 : 0));
 435                 SET_TX_DESC_CTS2SELF(pdesc, ((ptcdesc->cts_enable) ? 1 : 0));
 436                 SET_TX_DESC_RTS_STBC(pdesc, ((ptcdesc->rts_stbc) ? 1 : 0));
 437
 438                 SET_TX_DESC_RTS_RATE(pdesc, ptcdesc->rts_rate);
 439                 SET_TX_DESC_RTS_BW(pdesc, 0);
 440                 SET_TX_DESC_RTS_SC(pdesc, ptcdesc->rts_sc);
 441                 SET_TX_DESC_RTS_SHORT(pdesc,
 442                                       ((ptcdesc->rts_rate <= DESC92_RATE54M) ?
 443                                        (ptcdesc->rts_use_shortpreamble ? 1 : 0)
 444                                        : (ptcdesc->rts_use_shortgi ? 1 : 0)));
 445
 446                 if (bw_40) {
 447                         if (ptcdesc->packet_bw) {
 448                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 449                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 450                         } else {
 451                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 452                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
 453                                                          mac->cur_40_prime_sc);
 454                         }
 455                 } else {
 456                         SET_TX_DESC_DATA_BW(pdesc, 0);
 457                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 458                 }
 459
 460                 SET_TX_DESC_LINIP(pdesc, 0);
 461                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
 462
 463                 if (sta) {
 464                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 465                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 466                 }
 467
 468                 if (info->control.hw_key) {
 469                         struct ieee80211_key_conf *keyconf =
 470                             info->control.hw_key;
 471
 472                         switch (keyconf->cipher) {
 473                         case WLAN_CIPHER_SUITE_WEP40:
 474                         case WLAN_CIPHER_SUITE_WEP104:
 475                         case WLAN_CIPHER_SUITE_TKIP:
 476                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 477                                 break;
 478                         case WLAN_CIPHER_SUITE_CCMP:
 479                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 480                                 break;
 481                         default:
 482                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 483                                 break;
 484                         }
 485                 }
 486
 487                 SET_TX_DESC_PKT_ID(pdesc, 0);
 488                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 489
 490                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 491                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 492                 SET_TX_DESC_DISABLE_FB(pdesc, 0);
 493                 SET_TX_DESC_USE_RATE(pdesc, ptcdesc->use_driver_rate ? 1 : 0);
 494
 495                 if (ieee80211_is_data_qos(fc)) {
 496                         if (mac->rdg_en) {
 497                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 498                                          "Enable RDG function.\n");
 499                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 500                                 SET_TX_DESC_HTC(pdesc, 1);
 501                         }
 502                 }
 503         }
 504
 505         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 506         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 507
 508         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
 509
 510         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 511
 512         if (rtlpriv->dm.useramask) {
 513                 SET_TX_DESC_RATE_ID(pdesc, ptcdesc->ratr_index);
 514                 SET_TX_DESC_MACID(pdesc, ptcdesc->mac_id);
 515         } else {
 516                 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcdesc->ratr_index);
 517                 SET_TX_DESC_MACID(pdesc, ptcdesc->ratr_index);
 518         }
 519
 520         if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
 521                 SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
 522
 523                 if (!defaultadapter)
 524                         SET_TX_DESC_HWSEQ_SEL_8723(pdesc, 1);
 525         }
 526
 527         SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 528
 529         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 530             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 531                 SET_TX_DESC_BMC(pdesc, 1);
 532         }
 533
 534         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 535 }
 536
 537 void rtl8723ae_tx_fill_cmddesc(struct ieee80211_hw *hw,
 538                               u8 *pdesc, bool firstseg,
 539                               bool lastseg, struct sk_buff *skb)
 540 {
 541         struct rtl_priv *rtlpriv = rtl_priv(hw);
 542         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 543         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
 544         u8 fw_queue = QSLT_BEACON;
 545         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 546                                             skb->data, skb->len,
 547                                             PCI_DMA_TODEVICE);
 548         __le16 fc = hdr->frame_control;
 549
 550         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 551                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 552                          "DMA mapping error");
 553                 return;
 554         }
 555         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 556
 557         if (firstseg)
 558                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 559
 560         SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M);
 561
 562         SET_TX_DESC_SEQ(pdesc, 0);
 563
 564         SET_TX_DESC_LINIP(pdesc, 0);
 565
 566         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 567
 568         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 569         SET_TX_DESC_LAST_SEG(pdesc, 1);
 570
 571         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
 572
 573         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 574
 575         SET_TX_DESC_RATE_ID(pdesc, 7);
 576         SET_TX_DESC_MACID(pdesc, 0);
 577
 578         SET_TX_DESC_OWN(pdesc, 1);
 579
 580         SET_TX_DESC_PKT_SIZE(pdesc, (u16) (skb->len));
 581
 582         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 583         SET_TX_DESC_LAST_SEG(pdesc, 1);
 584
 585         SET_TX_DESC_OFFSET(pdesc, 0x20);
 586
 587         SET_TX_DESC_USE_RATE(pdesc, 1);
 588
 589         if (!ieee80211_is_data_qos(fc)) {
 590                 SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
 591                 /* SET_TX_DESC_HWSEQ_EN(pdesc, 1); */
 592                 /* SET_TX_DESC_PKT_ID(pdesc, 8); */
 593         }
 594
 595         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 596                       "H2C Tx Cmd Content\n",
 597                       pdesc, TX_DESC_SIZE);
 598 }
 599
 600 void rtl8723ae_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
 601                         u8 desc_name, u8 *val)
 602 {
 603         if (istx == true) {
 604                 switch (desc_name) {
 605                 case HW_DESC_OWN:
 606                         SET_TX_DESC_OWN(pdesc, 1);
 607                         break;
 608                 case HW_DESC_TX_NEXTDESC_ADDR:
 609                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
 610                         break;
 611                 default:
 612                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
 613                                   desc_name);
 614                         break;
 615                 }
 616         } else {
 617                 switch (desc_name) {
 618                 case HW_DESC_RXOWN:
 619                         SET_RX_DESC_OWN(pdesc, 1);
 620                         break;
 621                 case HW_DESC_RXBUFF_ADDR:
 622                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
 623                         break;
 624                 case HW_DESC_RXPKT_LEN:
 625                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
 626                         break;
 627                 case HW_DESC_RXERO:
 628                         SET_RX_DESC_EOR(pdesc, 1);
 629                         break;
 630                 default:
 631                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 632                                   desc_name);
 633                         break;
 634                 }
 635         }
 636 }
 637
 638 u32 rtl8723ae_get_desc(u8 *pdesc, bool istx, u8 desc_name)
 639 {
 640         u32 ret = 0;
 641
 642         if (istx == true) {
 643                 switch (desc_name) {
 644                 case HW_DESC_OWN:
 645                         ret = GET_TX_DESC_OWN(pdesc);
 646                         break;
 647                 case HW_DESC_TXBUFF_ADDR:
 648                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
 649                         break;
 650                 default:
 651                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
 652                                   desc_name);
 653                         break;
 654                 }
 655         } else {
 656                 switch (desc_name) {
 657                 case HW_DESC_OWN:
 658                         ret = GET_RX_DESC_OWN(pdesc);
 659                         break;
 660                 case HW_DESC_RXPKT_LEN:
 661                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 662                         break;
 663                 default:
 664                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 665                                   desc_name);
 666                         break;
 667                 }
 668         }
 669         return ret;
 670 }
 671
 672 void rtl8723ae_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 673 {
 674         struct rtl_priv *rtlpriv = rtl_priv(hw);
 675         if (hw_queue == BEACON_QUEUE) {
 676                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 677         } else {
 678                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 679                                BIT(0) << (hw_queue));
 680         }
 681 }