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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright(c) 2009-2012  Realtek Corporation.*/
   3
   4 #include "../wifi.h"
   5 #include "../pci.h"
   6 #include "../base.h"
   7 #include "../stats.h"
   8 #include "reg.h"
   9 #include "def.h"
  10 #include "phy.h"
  11 #include "trx.h"
  12 #include "led.h"
  13
  14 static u8 _rtl8723e_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
  15 {
  16         __le16 fc = rtl_get_fc(skb);
  17
  18         if (unlikely(ieee80211_is_beacon(fc)))
  19                 return QSLT_BEACON;
  20         if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
  21                 return QSLT_MGNT;
  22
  23         return skb->priority;
  24 }
  25
  26 static void _rtl8723e_query_rxphystatus(struct ieee80211_hw *hw,
  27                                         struct rtl_stats *pstatus, u8 *pdesc,
  28                                         struct rx_fwinfo_8723e *p_drvinfo,
  29                                         bool bpacket_match_bssid,
  30                                         bool bpacket_toself, bool packet_beacon)
  31 {
  32         struct rtl_priv *rtlpriv = rtl_priv(hw);
  33         struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
  34         struct phy_sts_cck_8723e_t *cck_buf;
  35         s8 rx_pwr_all = 0, rx_pwr[4];
  36         u8 rf_rx_num = 0, evm, pwdb_all;
  37         u8 i, max_spatial_stream;
  38         u32 rssi, total_rssi = 0;
  39         bool is_cck = pstatus->is_cck;
  40
  41         /* Record it for next packet processing */
  42         pstatus->packet_matchbssid = bpacket_match_bssid;
  43         pstatus->packet_toself = bpacket_toself;
  44         pstatus->packet_beacon = packet_beacon;
  45         pstatus->rx_mimo_signalquality[0] = -1;
  46         pstatus->rx_mimo_signalquality[1] = -1;
  47
  48         if (is_cck) {
  49                 u8 report, cck_highpwr;
  50
  51                 /* CCK Driver info Structure is not the same as OFDM packet. */
  52                 cck_buf = (struct phy_sts_cck_8723e_t *)p_drvinfo;
  53
  54                 /* (1)Hardware does not provide RSSI for CCK */
  55                 /* (2)PWDB, Average PWDB cacluated by
  56                  * hardware (for rate adaptive)
  57                  */
  58                 if (ppsc->rfpwr_state == ERFON)
  59                         cck_highpwr = (u8)rtl_get_bbreg(hw,
  60                                         RFPGA0_XA_HSSIPARAMETER2,
  61                                         BIT(9));
  62                 else
  63                         cck_highpwr = false;
  64
  65                 if (!cck_highpwr) {
  66                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
  67                         report = cck_buf->cck_agc_rpt & 0xc0;
  68                         report = report >> 6;
  69                         switch (report) {
  70                         case 0x3:
  71                                 rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
  72                                 break;
  73                         case 0x2:
  74                                 rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
  75                                 break;
  76                         case 0x1:
  77                                 rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
  78                                 break;
  79                         case 0x0:
  80                                 rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
  81                                 break;
  82                         }
  83                 } else {
  84                         u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
  85                         report = p_drvinfo->cfosho[0] & 0x60;
  86                         report = report >> 5;
  87                         switch (report) {
  88                         case 0x3:
  89                                 rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
  90                                 break;
  91                         case 0x2:
  92                                 rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
  93                                 break;
  94                         case 0x1:
  95                                 rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
  96                                 break;
  97                         case 0x0:
  98                                 rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
  99                                 break;
 100                         }
 101                 }
 102
 103                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 104                 /* CCK gain is smaller than OFDM/MCS gain,  */
 105                 /* so we add gain diff by experiences,
 106                  * the val is 6
 107                  */
 108                 pwdb_all += 6;
 109                 if (pwdb_all > 100)
 110                         pwdb_all = 100;
 111                 /* modify the offset to make the same
 112                  * gain index with OFDM.
 113                  */
 114                 if (pwdb_all > 34 && pwdb_all <= 42)
 115                         pwdb_all -= 2;
 116                 else if (pwdb_all > 26 && pwdb_all <= 34)
 117                         pwdb_all -= 6;
 118                 else if (pwdb_all > 14 && pwdb_all <= 26)
 119                         pwdb_all -= 8;
 120                 else if (pwdb_all > 4 && pwdb_all <= 14)
 121                         pwdb_all -= 4;
 122
 123                 pstatus->rx_pwdb_all = pwdb_all;
 124                 pstatus->recvsignalpower = rx_pwr_all;
 125
 126                 /* (3) Get Signal Quality (EVM) */
 127                 if (bpacket_match_bssid) {
 128                         u8 sq;
 129
 130                         if (pstatus->rx_pwdb_all > 40)
 131                                 sq = 100;
 132                         else {
 133                                 sq = cck_buf->sq_rpt;
 134                                 if (sq > 64)
 135                                         sq = 0;
 136                                 else if (sq < 20)
 137                                         sq = 100;
 138                                 else
 139                                         sq = ((64 - sq) * 100) / 44;
 140                         }
 141
 142                         pstatus->signalquality = sq;
 143                         pstatus->rx_mimo_signalquality[0] = sq;
 144                         pstatus->rx_mimo_signalquality[1] = -1;
 145                 }
 146         } else {
 147                 rtlpriv->dm.rfpath_rxenable[0] =
 148                     rtlpriv->dm.rfpath_rxenable[1] = true;
 149
 150                 /* (1)Get RSSI for HT rate */
 151                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 152
 153                         /* we will judge RF RX path now. */
 154                         if (rtlpriv->dm.rfpath_rxenable[i])
 155                                 rf_rx_num++;
 156
 157                         rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
 158                                       0x3f) * 2) - 110;
 159
 160                         /* Translate DBM to percentage. */
 161                         rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 162                         total_rssi += rssi;
 163
 164                         /* Get Rx snr value in DB */
 165                         rtlpriv->stats.rx_snr_db[i] =
 166                                 (long)(p_drvinfo->rxsnr[i] / 2);
 167
 168                         /* Record Signal Strength for next packet */
 169                         if (bpacket_match_bssid)
 170                                 pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
 171                 }
 172
 173                 /* (2)PWDB, Average PWDB cacluated by
 174                  * hardware (for rate adaptive)
 175                  */
 176                 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 177
 178                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 179                 pstatus->rx_pwdb_all = pwdb_all;
 180                 pstatus->rxpower = rx_pwr_all;
 181                 pstatus->recvsignalpower = rx_pwr_all;
 182
 183                 /* (3)EVM of HT rate */
 184                 if (pstatus->is_ht && pstatus->rate >= DESC92C_RATEMCS8 &&
 185                     pstatus->rate <= DESC92C_RATEMCS15)
 186                         max_spatial_stream = 2;
 187                 else
 188                         max_spatial_stream = 1;
 189
 190                 for (i = 0; i < max_spatial_stream; i++) {
 191                         evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 192
 193                         if (bpacket_match_bssid) {
 194                                 /* Fill value in RFD, Get the first
 195                                  * spatial stream only
 196                                  */
 197                                 if (i == 0)
 198                                         pstatus->signalquality =
 199                                                 (u8)(evm & 0xff);
 200                                 pstatus->rx_mimo_signalquality[i] =
 201                                         (u8)(evm & 0xff);
 202                         }
 203                 }
 204         }
 205
 206         /* UI BSS List signal strength(in percentage),
 207          * make it good looking, from 0~100.
 208          */
 209         if (is_cck)
 210                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 211                         pwdb_all));
 212         else if (rf_rx_num != 0)
 213                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 214                         total_rssi /= rf_rx_num));
 215 }
 216
 217 static void translate_rx_signal_stuff(struct ieee80211_hw *hw,
 218                                       struct sk_buff *skb,
 219                                       struct rtl_stats *pstatus, u8 *pdesc,
 220                                       struct rx_fwinfo_8723e *p_drvinfo)
 221 {
 222         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 223         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 224         struct ieee80211_hdr *hdr;
 225         u8 *tmp_buf;
 226         u8 *praddr;
 227         /*u8 *psaddr;*/
 228         u16 fc, type;
 229         bool packet_matchbssid, packet_toself, packet_beacon;
 230
 231         tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 232
 233         hdr = (struct ieee80211_hdr *)tmp_buf;
 234         fc = le16_to_cpu(hdr->frame_control);
 235         type = WLAN_FC_GET_TYPE(hdr->frame_control);
 236         praddr = hdr->addr1;
 237
 238         packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 239                 (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
 240                  hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
 241                  hdr->addr2 : hdr->addr3)) &&
 242                  (!pstatus->hwerror) &&
 243                  (!pstatus->crc) && (!pstatus->icv));
 244
 245         packet_toself = packet_matchbssid &&
 246             (ether_addr_equal(praddr, rtlefuse->dev_addr));
 247
 248         if (ieee80211_is_beacon(hdr->frame_control))
 249                 packet_beacon = true;
 250         else
 251                 packet_beacon = false;
 252
 253         _rtl8723e_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 254                                     packet_matchbssid, packet_toself,
 255                                     packet_beacon);
 256
 257         rtl_process_phyinfo(hw, tmp_buf, pstatus);
 258 }
 259
 260 bool rtl8723e_rx_query_desc(struct ieee80211_hw *hw,
 261                             struct rtl_stats *status,
 262                             struct ieee80211_rx_status *rx_status,
 263                             u8 *pdesc8, struct sk_buff *skb)
 264 {
 265         struct rx_fwinfo_8723e *p_drvinfo;
 266         struct ieee80211_hdr *hdr;
 267         __le32 *pdesc = (__le32 *)pdesc8;
 268         u32 phystatus = get_rx_desc_physt(pdesc);
 269
 270         status->length = (u16)get_rx_desc_pkt_len(pdesc);
 271         status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) *
 272             RX_DRV_INFO_SIZE_UNIT;
 273         status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03);
 274         status->icv = (u16)get_rx_desc_icv(pdesc);
 275         status->crc = (u16)get_rx_desc_crc32(pdesc);
 276         status->hwerror = (status->crc | status->icv);
 277         status->decrypted = !get_rx_desc_swdec(pdesc);
 278         status->rate = (u8)get_rx_desc_rxmcs(pdesc);
 279         status->shortpreamble = (u16)get_rx_desc_splcp(pdesc);
 280         status->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
 281         status->isfirst_ampdu = (bool)((get_rx_desc_paggr(pdesc) == 1) &&
 282                                        (get_rx_desc_faggr(pdesc) == 1));
 283         status->timestamp_low = get_rx_desc_tsfl(pdesc);
 284         status->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc);
 285         status->is_ht = (bool)get_rx_desc_rxht(pdesc);
 286
 287         status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
 288
 289         rx_status->freq = hw->conf.chandef.chan->center_freq;
 290         rx_status->band = hw->conf.chandef.chan->band;
 291
 292         hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
 293                         + status->rx_bufshift);
 294
 295         if (status->crc)
 296                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 297
 298         if (status->rx_is40mhzpacket)
 299                 rx_status->bw = RATE_INFO_BW_40;
 300
 301         if (status->is_ht)
 302                 rx_status->encoding = RX_ENC_HT;
 303
 304         rx_status->flag |= RX_FLAG_MACTIME_START;
 305
 306         /* hw will set status->decrypted true, if it finds the
 307          * frame is open data frame or mgmt frame.
 308          * So hw will not decryption robust managment frame
 309          * for IEEE80211w but still set status->decrypted
 310          * true, so here we should set it back to undecrypted
 311          * for IEEE80211w frame, and mac80211 sw will help
 312          * to decrypt it
 313          */
 314         if (status->decrypted) {
 315                 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
 316                     (ieee80211_has_protected(hdr->frame_control)))
 317                         rx_status->flag |= RX_FLAG_DECRYPTED;
 318                 else
 319                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 320         }
 321
 322         /* rate_idx: index of data rate into band's
 323          * supported rates or MCS index if HT rates
 324          * are use (RX_FLAG_HT)
 325          * Notice: this is diff with windows define
 326          */
 327         rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
 328                                                    false, status->rate);
 329
 330         rx_status->mactime = status->timestamp_low;
 331         if (phystatus == true) {
 332                 p_drvinfo = (struct rx_fwinfo_8723e *)(skb->data +
 333                                                      status->rx_bufshift);
 334
 335                 translate_rx_signal_stuff(hw, skb, status, pdesc8, p_drvinfo);
 336         }
 337         rx_status->signal = status->recvsignalpower + 10;
 338         return true;
 339 }
 340
 341 void rtl8723e_tx_fill_desc(struct ieee80211_hw *hw,
 342                            struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 343                            u8 *txbd, struct ieee80211_tx_info *info,
 344                            struct ieee80211_sta *sta,
 345                            struct sk_buff *skb,
 346                            u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 347 {
 348         struct rtl_priv *rtlpriv = rtl_priv(hw);
 349         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 350         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 351         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 352         bool b_defaultadapter = true;
 353         /* bool b_trigger_ac = false; */
 354         u8 *pdesc8 = (u8 *)pdesc_tx;
 355         __le32 *pdesc = (__le32 *)pdesc8;
 356         u16 seq_number;
 357         __le16 fc = hdr->frame_control;
 358         u8 fw_qsel = _rtl8723e_map_hwqueue_to_fwqueue(skb, hw_queue);
 359         bool firstseg = ((hdr->seq_ctrl &
 360                           cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 361
 362         bool lastseg = ((hdr->frame_control &
 363                          cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 364
 365         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 366                                             skb->data, skb->len,
 367                                             PCI_DMA_TODEVICE);
 368         u8 bw_40 = 0;
 369
 370         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 371                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 372                          "DMA mapping error\n");
 373                 return;
 374         }
 375         if (mac->opmode == NL80211_IFTYPE_STATION) {
 376                 bw_40 = mac->bw_40;
 377         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 378                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 379                 if (sta)
 380                         bw_40 = sta->ht_cap.cap &
 381                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 382         }
 383
 384         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 385
 386         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 387
 388         clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_8723e));
 389
 390         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 391                 firstseg = true;
 392                 lastseg = true;
 393         }
 394
 395         if (firstseg) {
 396                 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
 397
 398                 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);
 399
 400                 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
 401                         set_tx_desc_data_shortgi(pdesc, 1);
 402
 403                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 404                         set_tx_desc_agg_break(pdesc, 1);
 405                         set_tx_desc_max_agg_num(pdesc, 0x14);
 406                 }
 407                 set_tx_desc_seq(pdesc, seq_number);
 408
 409                 set_tx_desc_rts_enable(pdesc,
 410                                        ((ptcb_desc->rts_enable &&
 411                                         !ptcb_desc->cts_enable) ? 1 : 0));
 412                 set_tx_desc_hw_rts_enable(pdesc,
 413                                           ((ptcb_desc->rts_enable ||
 414                                           ptcb_desc->cts_enable) ? 1 : 0));
 415                 set_tx_desc_cts2self(pdesc,
 416                                      ((ptcb_desc->cts_enable) ? 1 : 0));
 417                 set_tx_desc_rts_stbc(pdesc,
 418                                      ((ptcb_desc->rts_stbc) ? 1 : 0));
 419
 420                 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);
 421                 set_tx_desc_rts_bw(pdesc, 0);
 422                 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc);
 423                 set_tx_desc_rts_short(pdesc,
 424                                 ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
 425                                 (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
 426                                 : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 427
 428                 if (bw_40) {
 429                         if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 430                                 set_tx_desc_data_bw(pdesc, 1);
 431                                 set_tx_desc_tx_sub_carrier(pdesc, 3);
 432                         } else {
 433                                 set_tx_desc_data_bw(pdesc, 0);
 434                                 set_tx_desc_tx_sub_carrier(pdesc,
 435                                         mac->cur_40_prime_sc);
 436                         }
 437                 } else {
 438                         set_tx_desc_data_bw(pdesc, 0);
 439                         set_tx_desc_tx_sub_carrier(pdesc, 0);
 440                 }
 441
 442                 set_tx_desc_linip(pdesc, 0);
 443                 set_tx_desc_pkt_size(pdesc, (u16)skb->len);
 444
 445                 if (sta) {
 446                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 447                         set_tx_desc_ampdu_density(pdesc, ampdu_density);
 448                 }
 449
 450                 if (info->control.hw_key) {
 451                         struct ieee80211_key_conf *keyconf =
 452                             info->control.hw_key;
 453
 454                         switch (keyconf->cipher) {
 455                         case WLAN_CIPHER_SUITE_WEP40:
 456                         case WLAN_CIPHER_SUITE_WEP104:
 457                         case WLAN_CIPHER_SUITE_TKIP:
 458                                 set_tx_desc_sec_type(pdesc, 0x1);
 459                                 break;
 460                         case WLAN_CIPHER_SUITE_CCMP:
 461                                 set_tx_desc_sec_type(pdesc, 0x3);
 462                                 break;
 463                         default:
 464                                 set_tx_desc_sec_type(pdesc, 0x0);
 465                                 break;
 466
 467                         }
 468                 }
 469
 470                 set_tx_desc_pkt_id(pdesc, 0);
 471                 set_tx_desc_queue_sel(pdesc, fw_qsel);
 472
 473                 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);
 474                 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF);
 475                 set_tx_desc_disable_fb(pdesc, 0);
 476                 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 477
 478                 if (ieee80211_is_data_qos(fc)) {
 479                         if (mac->rdg_en) {
 480                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 481                                          "Enable RDG function.\n");
 482                                 set_tx_desc_rdg_enable(pdesc, 1);
 483                                 set_tx_desc_htc(pdesc, 1);
 484                         }
 485                 }
 486         }
 487
 488         set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));
 489         set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));
 490
 491         set_tx_desc_tx_buffer_size(pdesc, (u16)skb->len);
 492
 493         set_tx_desc_tx_buffer_address(pdesc, mapping);
 494
 495         if (rtlpriv->dm.useramask) {
 496                 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index);
 497                 set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
 498         } else {
 499                 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index);
 500                 set_tx_desc_macid(pdesc, ptcb_desc->ratr_index);
 501         }
 502
 503         if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
 504                 set_tx_desc_hwseq_en_8723(pdesc, 1);
 505                 /* set_tx_desc_hwseq_en(pdesc, 1); */
 506                 /* set_tx_desc_pkt_id(pdesc, 8); */
 507
 508                 if (!b_defaultadapter)
 509                         set_tx_desc_hwseq_sel_8723(pdesc, 1);
 510         /* set_tx_desc_qos(pdesc, 1); */
 511         }
 512
 513         set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));
 514
 515         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 516             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 517                 set_tx_desc_bmc(pdesc, 1);
 518         }
 519
 520         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 521 }
 522
 523 void rtl8723e_tx_fill_cmddesc(struct ieee80211_hw *hw,
 524                               u8 *pdesc8, bool firstseg,
 525                               bool lastseg, struct sk_buff *skb)
 526 {
 527         struct rtl_priv *rtlpriv = rtl_priv(hw);
 528         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 529         u8 fw_queue = QSLT_BEACON;
 530         __le32 *pdesc = (__le32 *)pdesc8;
 531
 532         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 533                                             skb->data, skb->len,
 534                                             PCI_DMA_TODEVICE);
 535
 536         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
 537         __le16 fc = hdr->frame_control;
 538
 539         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 540                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 541                          "DMA mapping error\n");
 542                 return;
 543         }
 544         clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);
 545
 546         if (firstseg)
 547                 set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
 548
 549         set_tx_desc_tx_rate(pdesc, DESC92C_RATE1M);
 550
 551         set_tx_desc_seq(pdesc, 0);
 552
 553         set_tx_desc_linip(pdesc, 0);
 554
 555         set_tx_desc_queue_sel(pdesc, fw_queue);
 556
 557         set_tx_desc_first_seg(pdesc, 1);
 558         set_tx_desc_last_seg(pdesc, 1);
 559
 560         set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len));
 561
 562         set_tx_desc_tx_buffer_address(pdesc, mapping);
 563
 564         set_tx_desc_rate_id(pdesc, 7);
 565         set_tx_desc_macid(pdesc, 0);
 566
 567         set_tx_desc_own(pdesc, 1);
 568
 569         set_tx_desc_pkt_size(pdesc, (u16)(skb->len));
 570
 571         set_tx_desc_first_seg(pdesc, 1);
 572         set_tx_desc_last_seg(pdesc, 1);
 573
 574         set_tx_desc_offset(pdesc, 0x20);
 575
 576         set_tx_desc_use_rate(pdesc, 1);
 577
 578         if (!ieee80211_is_data_qos(fc)) {
 579                 set_tx_desc_hwseq_en_8723(pdesc, 1);
 580                 /* set_tx_desc_hwseq_en(pdesc, 1); */
 581                 /* set_tx_desc_pkt_id(pdesc, 8); */
 582         }
 583
 584         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 585                       "H2C Tx Cmd Content\n",
 586                       pdesc, TX_DESC_SIZE);
 587 }
 588
 589 void rtl8723e_set_desc(struct ieee80211_hw *hw, u8 *pdesc8,
 590                        bool istx, u8 desc_name, u8 *val)
 591 {
 592         __le32 *pdesc = (__le32 *)pdesc8;
 593
 594         if (istx == true) {
 595                 switch (desc_name) {
 596                 case HW_DESC_OWN:
 597                         set_tx_desc_own(pdesc, 1);
 598                         break;
 599                 case HW_DESC_TX_NEXTDESC_ADDR:
 600                         set_tx_desc_next_desc_address(pdesc, *(u32 *)val);
 601                         break;
 602                 default:
 603                         WARN_ONCE(true, "rtl8723ae: ERR txdesc :%d not processed\n",
 604                                   desc_name);
 605                         break;
 606                 }
 607         } else {
 608                 switch (desc_name) {
 609                 case HW_DESC_RXOWN:
 610                         set_rx_desc_own(pdesc, 1);
 611                         break;
 612                 case HW_DESC_RXBUFF_ADDR:
 613                         set_rx_desc_buff_addr(pdesc, *(u32 *)val);
 614                         break;
 615                 case HW_DESC_RXPKT_LEN:
 616                         set_rx_desc_pkt_len(pdesc, *(u32 *)val);
 617                         break;
 618                 case HW_DESC_RXERO:
 619                         set_rx_desc_eor(pdesc, 1);
 620                         break;
 621                 default:
 622                         WARN_ONCE(true, "rtl8723ae: ERR rxdesc :%d not processed\n",
 623                                   desc_name);
 624                         break;
 625                 }
 626         }
 627 }
 628
 629 u64 rtl8723e_get_desc(struct ieee80211_hw *hw,
 630                       u8 *pdesc8, bool istx, u8 desc_name)
 631 {
 632         u32 ret = 0;
 633         __le32 *pdesc = (__le32 *)pdesc8;
 634
 635         if (istx == true) {
 636                 switch (desc_name) {
 637                 case HW_DESC_OWN:
 638                         ret = get_tx_desc_own(pdesc);
 639                         break;
 640                 case HW_DESC_TXBUFF_ADDR:
 641                         ret = get_tx_desc_tx_buffer_address(pdesc);
 642                         break;
 643                 default:
 644                         WARN_ONCE(true, "rtl8723ae: ERR txdesc :%d not processed\n",
 645                                   desc_name);
 646                         break;
 647                 }
 648         } else {
 649                 switch (desc_name) {
 650                 case HW_DESC_OWN:
 651                         ret = get_rx_desc_own(pdesc);
 652                         break;
 653                 case HW_DESC_RXPKT_LEN:
 654                         ret = get_rx_desc_pkt_len(pdesc);
 655                         break;
 656                 case HW_DESC_RXBUFF_ADDR:
 657                         ret = get_rx_desc_buff_addr(pdesc);
 658                         break;
 659                 default:
 660                         WARN_ONCE(true, "rtl8723ae: ERR rxdesc :%d not processed\n",
 661                                   desc_name);
 662                         break;
 663                 }
 664         }
 665         return ret;
 666 }
 667
 668 bool rtl8723e_is_tx_desc_closed(struct ieee80211_hw *hw,
 669                                 u8 hw_queue, u16 index)
 670 {
 671         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 672         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 673         u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 674         u8 own = (u8)rtl8723e_get_desc(hw, entry, true, HW_DESC_OWN);
 675
 676         /**
 677          *beacon packet will only use the first
 678          *descriptor defautly,and the own may not
 679          *be cleared by the hardware
 680          */
 681         if (own)
 682                 return false;
 683         return true;
 684 }
 685
 686 void rtl8723e_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 687 {
 688         struct rtl_priv *rtlpriv = rtl_priv(hw);
 689         if (hw_queue == BEACON_QUEUE) {
 690                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 691         } else {
 692                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 693                                BIT(0) << (hw_queue));
 694         }
 695 }