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 *pdesc, struct sk_buff *skb)
 264 {
 265         struct rx_fwinfo_8723e *p_drvinfo;
 266         struct ieee80211_hdr *hdr;
 267         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 268
 269         status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
 270         status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 271             RX_DRV_INFO_SIZE_UNIT;
 272         status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
 273         status->icv = (u16)GET_RX_DESC_ICV(pdesc);
 274         status->crc = (u16)GET_RX_DESC_CRC32(pdesc);
 275         status->hwerror = (status->crc | status->icv);
 276         status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 277         status->rate = (u8)GET_RX_DESC_RXMCS(pdesc);
 278         status->shortpreamble = (u16)GET_RX_DESC_SPLCP(pdesc);
 279         status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
 280         status->isfirst_ampdu = (bool)((GET_RX_DESC_PAGGR(pdesc) == 1) &&
 281                                        (GET_RX_DESC_FAGGR(pdesc) == 1));
 282         status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 283         status->rx_is40mhzpacket = (bool)GET_RX_DESC_BW(pdesc);
 284         status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
 285
 286         status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
 287
 288         rx_status->freq = hw->conf.chandef.chan->center_freq;
 289         rx_status->band = hw->conf.chandef.chan->band;
 290
 291         hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
 292                         + status->rx_bufshift);
 293
 294         if (status->crc)
 295                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 296
 297         if (status->rx_is40mhzpacket)
 298                 rx_status->bw = RATE_INFO_BW_40;
 299
 300         if (status->is_ht)
 301                 rx_status->encoding = RX_ENC_HT;
 302
 303         rx_status->flag |= RX_FLAG_MACTIME_START;
 304
 305         /* hw will set status->decrypted true, if it finds the
 306          * frame is open data frame or mgmt frame.
 307          * So hw will not decryption robust managment frame
 308          * for IEEE80211w but still set status->decrypted
 309          * true, so here we should set it back to undecrypted
 310          * for IEEE80211w frame, and mac80211 sw will help
 311          * to decrypt it
 312          */
 313         if (status->decrypted) {
 314                 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
 315                     (ieee80211_has_protected(hdr->frame_control)))
 316                         rx_status->flag |= RX_FLAG_DECRYPTED;
 317                 else
 318                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 319         }
 320
 321         /* rate_idx: index of data rate into band's
 322          * supported rates or MCS index if HT rates
 323          * are use (RX_FLAG_HT)
 324          * Notice: this is diff with windows define
 325          */
 326         rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
 327                                                    false, status->rate);
 328
 329         rx_status->mactime = status->timestamp_low;
 330         if (phystatus == true) {
 331                 p_drvinfo = (struct rx_fwinfo_8723e *)(skb->data +
 332                                                      status->rx_bufshift);
 333
 334                 translate_rx_signal_stuff(hw, skb, status, pdesc, p_drvinfo);
 335         }
 336         rx_status->signal = status->recvsignalpower + 10;
 337         return true;
 338 }
 339
 340 void rtl8723e_tx_fill_desc(struct ieee80211_hw *hw,
 341                            struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 342                            u8 *txbd, struct ieee80211_tx_info *info,
 343                            struct ieee80211_sta *sta,
 344                            struct sk_buff *skb,
 345                            u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 346 {
 347         struct rtl_priv *rtlpriv = rtl_priv(hw);
 348         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 349         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 350         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 351         bool b_defaultadapter = true;
 352         /* bool b_trigger_ac = false; */
 353         u8 *pdesc = (u8 *)pdesc_tx;
 354         u16 seq_number;
 355         __le16 fc = hdr->frame_control;
 356         u8 fw_qsel = _rtl8723e_map_hwqueue_to_fwqueue(skb, hw_queue);
 357         bool firstseg = ((hdr->seq_ctrl &
 358                           cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 359
 360         bool lastseg = ((hdr->frame_control &
 361                          cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 362
 363         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 364                                             skb->data, skb->len,
 365                                             PCI_DMA_TODEVICE);
 366         u8 bw_40 = 0;
 367
 368         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 369                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 370                          "DMA mapping error\n");
 371                 return;
 372         }
 373         if (mac->opmode == NL80211_IFTYPE_STATION) {
 374                 bw_40 = mac->bw_40;
 375         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 376                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 377                 if (sta)
 378                         bw_40 = sta->ht_cap.cap &
 379                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 380         }
 381
 382         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 383
 384         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 385
 386         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8723e));
 387
 388         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 389                 firstseg = true;
 390                 lastseg = true;
 391         }
 392
 393         if (firstseg) {
 394                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 395
 396                 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
 397
 398                 if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
 399                         SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
 400
 401                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 402                         SET_TX_DESC_AGG_BREAK(pdesc, 1);
 403                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 404                 }
 405                 SET_TX_DESC_SEQ(pdesc, seq_number);
 406
 407                 SET_TX_DESC_RTS_ENABLE(pdesc,
 408                                        ((ptcb_desc->rts_enable &&
 409                                         !ptcb_desc->cts_enable) ? 1 : 0));
 410                 SET_TX_DESC_HW_RTS_ENABLE(pdesc,
 411                                           ((ptcb_desc->rts_enable ||
 412                                           ptcb_desc->cts_enable) ? 1 : 0));
 413                 SET_TX_DESC_CTS2SELF(pdesc,
 414                                      ((ptcb_desc->cts_enable) ? 1 : 0));
 415                 SET_TX_DESC_RTS_STBC(pdesc,
 416                                      ((ptcb_desc->rts_stbc) ? 1 : 0));
 417
 418                 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 419                 SET_TX_DESC_RTS_BW(pdesc, 0);
 420                 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
 421                 SET_TX_DESC_RTS_SHORT(pdesc,
 422                                 ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
 423                                 (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
 424                                 : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 425
 426                 if (bw_40) {
 427                         if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 428                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 429                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 430                         } else {
 431                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 432                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc,
 433                                         mac->cur_40_prime_sc);
 434                         }
 435                 } else {
 436                         SET_TX_DESC_DATA_BW(pdesc, 0);
 437                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 438                 }
 439
 440                 SET_TX_DESC_LINIP(pdesc, 0);
 441                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
 442
 443                 if (sta) {
 444                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 445                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 446                 }
 447
 448                 if (info->control.hw_key) {
 449                         struct ieee80211_key_conf *keyconf =
 450                             info->control.hw_key;
 451
 452                         switch (keyconf->cipher) {
 453                         case WLAN_CIPHER_SUITE_WEP40:
 454                         case WLAN_CIPHER_SUITE_WEP104:
 455                         case WLAN_CIPHER_SUITE_TKIP:
 456                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 457                                 break;
 458                         case WLAN_CIPHER_SUITE_CCMP:
 459                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 460                                 break;
 461                         default:
 462                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 463                                 break;
 464
 465                         }
 466                 }
 467
 468                 SET_TX_DESC_PKT_ID(pdesc, 0);
 469                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 470
 471                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 472                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 473                 SET_TX_DESC_DISABLE_FB(pdesc, 0);
 474                 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 475
 476                 if (ieee80211_is_data_qos(fc)) {
 477                         if (mac->rdg_en) {
 478                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 479                                          "Enable RDG function.\n");
 480                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 481                                 SET_TX_DESC_HTC(pdesc, 1);
 482                         }
 483                 }
 484         }
 485
 486         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 487         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 488
 489         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
 490
 491         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 492
 493         if (rtlpriv->dm.useramask) {
 494                 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
 495                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 496         } else {
 497                 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
 498                 SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
 499         }
 500
 501         if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
 502                 SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
 503                 /* SET_TX_DESC_HWSEQ_EN(pdesc, 1); */
 504                 /* SET_TX_DESC_PKT_ID(pdesc, 8); */
 505
 506                 if (!b_defaultadapter)
 507                         SET_TX_DESC_HWSEQ_SEL_8723(pdesc, 1);
 508         /* SET_TX_DESC_QOS(pdesc, 1); */
 509         }
 510
 511         SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 512
 513         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 514             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 515                 SET_TX_DESC_BMC(pdesc, 1);
 516         }
 517
 518         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 519 }
 520
 521 void rtl8723e_tx_fill_cmddesc(struct ieee80211_hw *hw,
 522                               u8 *pdesc, bool firstseg,
 523                               bool lastseg, struct sk_buff *skb)
 524 {
 525         struct rtl_priv *rtlpriv = rtl_priv(hw);
 526         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 527         u8 fw_queue = QSLT_BEACON;
 528
 529         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 530                                             skb->data, skb->len,
 531                                             PCI_DMA_TODEVICE);
 532
 533         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
 534         __le16 fc = hdr->frame_control;
 535
 536         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 537                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 538                          "DMA mapping error\n");
 539                 return;
 540         }
 541         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 542
 543         if (firstseg)
 544                 SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 545
 546         SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
 547
 548         SET_TX_DESC_SEQ(pdesc, 0);
 549
 550         SET_TX_DESC_LINIP(pdesc, 0);
 551
 552         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 553
 554         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 555         SET_TX_DESC_LAST_SEG(pdesc, 1);
 556
 557         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
 558
 559         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 560
 561         SET_TX_DESC_RATE_ID(pdesc, 7);
 562         SET_TX_DESC_MACID(pdesc, 0);
 563
 564         SET_TX_DESC_OWN(pdesc, 1);
 565
 566         SET_TX_DESC_PKT_SIZE((u8 *)pdesc, (u16)(skb->len));
 567
 568         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 569         SET_TX_DESC_LAST_SEG(pdesc, 1);
 570
 571         SET_TX_DESC_OFFSET(pdesc, 0x20);
 572
 573         SET_TX_DESC_USE_RATE(pdesc, 1);
 574
 575         if (!ieee80211_is_data_qos(fc)) {
 576                 SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
 577                 /* SET_TX_DESC_HWSEQ_EN(pdesc, 1); */
 578                 /* SET_TX_DESC_PKT_ID(pdesc, 8); */
 579         }
 580
 581         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 582                       "H2C Tx Cmd Content\n",
 583                       pdesc, TX_DESC_SIZE);
 584 }
 585
 586 void rtl8723e_set_desc(struct ieee80211_hw *hw, u8 *pdesc,
 587                        bool istx, u8 desc_name, u8 *val)
 588 {
 589         if (istx == true) {
 590                 switch (desc_name) {
 591                 case HW_DESC_OWN:
 592                         SET_TX_DESC_OWN(pdesc, 1);
 593                         break;
 594                 case HW_DESC_TX_NEXTDESC_ADDR:
 595                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
 596                         break;
 597                 default:
 598                         WARN_ONCE(true, "rtl8723ae: ERR txdesc :%d not processed\n",
 599                                   desc_name);
 600                         break;
 601                 }
 602         } else {
 603                 switch (desc_name) {
 604                 case HW_DESC_RXOWN:
 605                         SET_RX_DESC_OWN(pdesc, 1);
 606                         break;
 607                 case HW_DESC_RXBUFF_ADDR:
 608                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
 609                         break;
 610                 case HW_DESC_RXPKT_LEN:
 611                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
 612                         break;
 613                 case HW_DESC_RXERO:
 614                         SET_RX_DESC_EOR(pdesc, 1);
 615                         break;
 616                 default:
 617                         WARN_ONCE(true, "rtl8723ae: ERR rxdesc :%d not processed\n",
 618                                   desc_name);
 619                         break;
 620                 }
 621         }
 622 }
 623
 624 u64 rtl8723e_get_desc(struct ieee80211_hw *hw,
 625                       u8 *pdesc, bool istx, u8 desc_name)
 626 {
 627         u32 ret = 0;
 628
 629         if (istx == true) {
 630                 switch (desc_name) {
 631                 case HW_DESC_OWN:
 632                         ret = GET_TX_DESC_OWN(pdesc);
 633                         break;
 634                 case HW_DESC_TXBUFF_ADDR:
 635                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
 636                         break;
 637                 default:
 638                         WARN_ONCE(true, "rtl8723ae: ERR txdesc :%d not processed\n",
 639                                   desc_name);
 640                         break;
 641                 }
 642         } else {
 643                 switch (desc_name) {
 644                 case HW_DESC_OWN:
 645                         ret = GET_RX_DESC_OWN(pdesc);
 646                         break;
 647                 case HW_DESC_RXPKT_LEN:
 648                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 649                         break;
 650                 case HW_DESC_RXBUFF_ADDR:
 651                         ret = GET_RX_DESC_BUFF_ADDR(pdesc);
 652                         break;
 653                 default:
 654                         WARN_ONCE(true, "rtl8723ae: ERR rxdesc :%d not processed\n",
 655                                   desc_name);
 656                         break;
 657                 }
 658         }
 659         return ret;
 660 }
 661
 662 bool rtl8723e_is_tx_desc_closed(struct ieee80211_hw *hw,
 663                                 u8 hw_queue, u16 index)
 664 {
 665         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 666         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 667         u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 668         u8 own = (u8)rtl8723e_get_desc(hw, entry, true, HW_DESC_OWN);
 669
 670         /**
 671          *beacon packet will only use the first
 672          *descriptor defautly,and the own may not
 673          *be cleared by the hardware
 674          */
 675         if (own)
 676                 return false;
 677         return true;
 678 }
 679
 680 void rtl8723e_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 681 {
 682         struct rtl_priv *rtlpriv = rtl_priv(hw);
 683         if (hw_queue == BEACON_QUEUE) {
 684                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 685         } else {
 686                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 687                                BIT(0) << (hw_queue));
 688         }
 689 }