drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright(c) 2009-2014  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 #include "dm.h"
  14 #include "fw.h"
  15
  16 static u8 _rtl8723be_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
  17 {
  18         __le16 fc = rtl_get_fc(skb);
  19
  20         if (unlikely(ieee80211_is_beacon(fc)))
  21                 return QSLT_BEACON;
  22         if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
  23                 return QSLT_MGNT;
  24
  25         return skb->priority;
  26 }
  27
  28 static void _rtl8723be_query_rxphystatus(struct ieee80211_hw *hw,
  29                                          struct rtl_stats *pstatus,
  30                                          __le32 *pdesc,
  31                                          struct rx_fwinfo_8723be *p_drvinfo,
  32                                          bool bpacket_match_bssid,
  33                                          bool bpacket_toself,
  34                                          bool packet_beacon)
  35 {
  36         struct rtl_priv *rtlpriv = rtl_priv(hw);
  37         struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo;
  38         s8 rx_pwr_all = 0, rx_pwr[4];
  39         u8 rf_rx_num = 0, evm, pwdb_all, pwdb_all_bt = 0;
  40         u8 i, max_spatial_stream;
  41         u32 rssi, total_rssi = 0;
  42         bool is_cck = pstatus->is_cck;
  43         u8 lan_idx, vga_idx;
  44
  45         /* Record it for next packet processing */
  46         pstatus->packet_matchbssid = bpacket_match_bssid;
  47         pstatus->packet_toself = bpacket_toself;
  48         pstatus->packet_beacon = packet_beacon;
  49         pstatus->rx_mimo_signalquality[0] = -1;
  50         pstatus->rx_mimo_signalquality[1] = -1;
  51
  52         if (is_cck) {
  53                 u8 cck_agc_rpt;
  54
  55                 cck_agc_rpt = p_phystrpt->cck_agc_rpt_ofdm_cfosho_a;
  56
  57                 /* (1)Hardware does not provide RSSI for CCK */
  58                 /* (2)PWDB, Average PWDB cacluated by
  59                  * hardware (for rate adaptive)
  60                  */
  61                 rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, BIT(9));
  62
  63                 lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
  64                 vga_idx = (cck_agc_rpt & 0x1f);
  65
  66                 switch (lan_idx) {
  67                 /* 46 53 73 95 201301231630 */
  68                 /* 46 53 77 99 201301241630 */
  69                 case 6:
  70                         rx_pwr_all = -34 - (2 * vga_idx);
  71                         break;
  72                 case 4:
  73                         rx_pwr_all = -14 - (2 * vga_idx);
  74                         break;
  75                 case 1:
  76                         rx_pwr_all = 6 - (2 * vga_idx);
  77                         break;
  78                 case 0:
  79                         rx_pwr_all = 16 - (2 * vga_idx);
  80                         break;
  81                 default:
  82                         break;
  83                 }
  84
  85                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
  86                 if (pwdb_all > 100)
  87                         pwdb_all = 100;
  88
  89                 pstatus->rx_pwdb_all = pwdb_all;
  90                 pstatus->bt_rx_rssi_percentage = pwdb_all;
  91                 pstatus->recvsignalpower = rx_pwr_all;
  92
  93                 /* (3) Get Signal Quality (EVM) */
  94                 if (bpacket_match_bssid) {
  95                         u8 sq, sq_rpt;
  96                         if (pstatus->rx_pwdb_all > 40) {
  97                                 sq = 100;
  98                         } else {
  99                                 sq_rpt = p_phystrpt->cck_sig_qual_ofdm_pwdb_all;
 100                                 if (sq_rpt > 64)
 101                                         sq = 0;
 102                                 else if (sq_rpt < 20)
 103                                         sq = 100;
 104                                 else
 105                                         sq = ((64 - sq_rpt) * 100) / 44;
 106                         }
 107                         pstatus->signalquality = sq;
 108                         pstatus->rx_mimo_signalquality[0] = sq;
 109                         pstatus->rx_mimo_signalquality[1] = -1;
 110                 }
 111         } else {
 112                 /* (1)Get RSSI for HT rate */
 113                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 114                         /* we will judge RF RX path now. */
 115                         if (rtlpriv->dm.rfpath_rxenable[i])
 116                                 rf_rx_num++;
 117
 118                         rx_pwr[i] = ((p_phystrpt->path_agc[i].gain & 0x3f) * 2)
 119                                     - 110;
 120
 121                         pstatus->rx_pwr[i] = rx_pwr[i];
 122                         /* Translate DBM to percentage. */
 123                         rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 124                         total_rssi += rssi;
 125
 126                         pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
 127                 }
 128
 129                 /* (2)PWDB, Average PWDB cacluated by
 130                  * hardware (for rate adaptive)
 131                  */
 132                 rx_pwr_all = ((p_phystrpt->cck_sig_qual_ofdm_pwdb_all >> 1) &
 133                              0x7f) - 110;
 134
 135                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 136                 pwdb_all_bt = pwdb_all;
 137                 pstatus->rx_pwdb_all = pwdb_all;
 138                 pstatus->bt_rx_rssi_percentage = pwdb_all_bt;
 139                 pstatus->rxpower = rx_pwr_all;
 140                 pstatus->recvsignalpower = rx_pwr_all;
 141
 142                 /* (3)EVM of HT rate */
 143                 if (pstatus->rate >= DESC92C_RATEMCS8 &&
 144                     pstatus->rate <= DESC92C_RATEMCS15)
 145                         max_spatial_stream = 2;
 146                 else
 147                         max_spatial_stream = 1;
 148
 149                 for (i = 0; i < max_spatial_stream; i++) {
 150                         evm = rtl_evm_db_to_percentage(
 151                                                 p_phystrpt->stream_rxevm[i]);
 152
 153                         if (bpacket_match_bssid) {
 154                                 /* Fill value in RFD, Get the first
 155                                  * spatial stream only
 156                                  */
 157                                 if (i == 0)
 158                                         pstatus->signalquality =
 159                                                         (u8)(evm & 0xff);
 160                                 pstatus->rx_mimo_signalquality[i] =
 161                                                         (u8)(evm & 0xff);
 162                         }
 163                 }
 164
 165                 if (bpacket_match_bssid) {
 166                         for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
 167                                 rtl_priv(hw)->dm.cfo_tail[i] =
 168                                         (int)p_phystrpt->path_cfotail[i];
 169
 170                         if (rtl_priv(hw)->dm.packet_count == 0xffffffff)
 171                                 rtl_priv(hw)->dm.packet_count = 0;
 172                         else
 173                                 rtl_priv(hw)->dm.packet_count++;
 174                 }
 175         }
 176
 177         /* UI BSS List signal strength(in percentage),
 178          * make it good looking, from 0~100.
 179          */
 180         if (is_cck)
 181                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 182                                                                 pwdb_all));
 183         else if (rf_rx_num != 0)
 184                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 185                                                 total_rssi /= rf_rx_num));
 186 }
 187
 188 static void _rtl8723be_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 189                                         struct sk_buff *skb,
 190                                         struct rtl_stats *pstatus,
 191                                         __le32 *pdesc,
 192                                         struct rx_fwinfo_8723be *p_drvinfo)
 193 {
 194         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 195         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 196         struct ieee80211_hdr *hdr;
 197         u8 *tmp_buf;
 198         u8 *praddr;
 199         u8 *psaddr;
 200         u16 fc, type;
 201         bool packet_matchbssid, packet_toself, packet_beacon;
 202
 203         tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 204
 205         hdr = (struct ieee80211_hdr *)tmp_buf;
 206         fc = le16_to_cpu(hdr->frame_control);
 207         type = WLAN_FC_GET_TYPE(hdr->frame_control);
 208         praddr = hdr->addr1;
 209         psaddr = ieee80211_get_SA(hdr);
 210         memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
 211
 212         packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 213              (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
 214                                   hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
 215                                   hdr->addr2 : hdr->addr3)) &&
 216                                   (!pstatus->hwerror) &&
 217                                   (!pstatus->crc) && (!pstatus->icv));
 218
 219         packet_toself = packet_matchbssid &&
 220             (ether_addr_equal(praddr, rtlefuse->dev_addr));
 221
 222         /* YP: packet_beacon is not initialized,
 223          * this assignment is neccesary,
 224          * otherwise it counld be true in this case
 225          * the situation is much worse in Kernel 3.10
 226          */
 227         if (ieee80211_is_beacon(hdr->frame_control))
 228                 packet_beacon = true;
 229         else
 230                 packet_beacon = false;
 231
 232         if (packet_beacon && packet_matchbssid)
 233                 rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
 234
 235         _rtl8723be_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 236                                      packet_matchbssid,
 237                                      packet_toself,
 238                                      packet_beacon);
 239
 240         rtl_process_phyinfo(hw, tmp_buf, pstatus);
 241 }
 242
 243 static void _rtl8723be_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 244                                         __le32 *virtualaddress)
 245 {
 246         u32 dwtmp = 0;
 247         memset(virtualaddress, 0, 8);
 248
 249         set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num);
 250         if (ptcb_desc->empkt_num == 1) {
 251                 dwtmp = ptcb_desc->empkt_len[0];
 252         } else {
 253                 dwtmp = ptcb_desc->empkt_len[0];
 254                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 255                 dwtmp += ptcb_desc->empkt_len[1];
 256         }
 257         set_earlymode_len0(virtualaddress, dwtmp);
 258
 259         if (ptcb_desc->empkt_num <= 3) {
 260                 dwtmp = ptcb_desc->empkt_len[2];
 261         } else {
 262                 dwtmp = ptcb_desc->empkt_len[2];
 263                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 264                 dwtmp += ptcb_desc->empkt_len[3];
 265         }
 266         set_earlymode_len1(virtualaddress, dwtmp);
 267         if (ptcb_desc->empkt_num <= 5) {
 268                 dwtmp = ptcb_desc->empkt_len[4];
 269         } else {
 270                 dwtmp = ptcb_desc->empkt_len[4];
 271                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 272                 dwtmp += ptcb_desc->empkt_len[5];
 273         }
 274         set_earlymode_len2_1(virtualaddress, dwtmp & 0xF);
 275         set_earlymode_len2_2(virtualaddress, dwtmp >> 4);
 276         if (ptcb_desc->empkt_num <= 7) {
 277                 dwtmp = ptcb_desc->empkt_len[6];
 278         } else {
 279                 dwtmp = ptcb_desc->empkt_len[6];
 280                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 281                 dwtmp += ptcb_desc->empkt_len[7];
 282         }
 283         set_earlymode_len3(virtualaddress, dwtmp);
 284         if (ptcb_desc->empkt_num <= 9) {
 285                 dwtmp = ptcb_desc->empkt_len[8];
 286         } else {
 287                 dwtmp = ptcb_desc->empkt_len[8];
 288                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 289                 dwtmp += ptcb_desc->empkt_len[9];
 290         }
 291         set_earlymode_len4(virtualaddress, dwtmp);
 292 }
 293
 294 bool rtl8723be_rx_query_desc(struct ieee80211_hw *hw,
 295                              struct rtl_stats *status,
 296                              struct ieee80211_rx_status *rx_status,
 297                              u8 *pdesc8, struct sk_buff *skb)
 298 {
 299         struct rtl_priv *rtlpriv = rtl_priv(hw);
 300         struct rx_fwinfo_8723be *p_drvinfo;
 301         struct ieee80211_hdr *hdr;
 302         u8 wake_match;
 303         __le32 *pdesc = (__le32 *)pdesc8;
 304         u32 phystatus = get_rx_desc_physt(pdesc);
 305
 306         status->length = (u16)get_rx_desc_pkt_len(pdesc);
 307         status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) *
 308                                   RX_DRV_INFO_SIZE_UNIT;
 309         status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03);
 310         status->icv = (u16)get_rx_desc_icv(pdesc);
 311         status->crc = (u16)get_rx_desc_crc32(pdesc);
 312         status->hwerror = (status->crc | status->icv);
 313         status->decrypted = !get_rx_desc_swdec(pdesc);
 314         status->rate = (u8)get_rx_desc_rxmcs(pdesc);
 315         status->shortpreamble = (u16)get_rx_desc_splcp(pdesc);
 316         status->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
 317         status->isfirst_ampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
 318         status->timestamp_low = get_rx_desc_tsfl(pdesc);
 319         status->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc);
 320         status->bandwidth = (u8)get_rx_desc_bw(pdesc);
 321         status->macid = get_rx_desc_macid(pdesc);
 322         status->is_ht = (bool)get_rx_desc_rxht(pdesc);
 323
 324         status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
 325
 326         if (get_rx_status_desc_rpt_sel(pdesc))
 327                 status->packet_report_type = C2H_PACKET;
 328         else
 329                 status->packet_report_type = NORMAL_RX;
 330
 331
 332         if (get_rx_status_desc_pattern_match(pdesc))
 333                 wake_match = BIT(2);
 334         else if (get_rx_status_desc_magic_match(pdesc))
 335                 wake_match = BIT(1);
 336         else if (get_rx_status_desc_unicast_match(pdesc))
 337                 wake_match = BIT(0);
 338         else
 339                 wake_match = 0;
 340         if (wake_match)
 341                 rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD,
 342                         "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
 343                         wake_match);
 344         rx_status->freq = hw->conf.chandef.chan->center_freq;
 345         rx_status->band = hw->conf.chandef.chan->band;
 346
 347         hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size +
 348                                        status->rx_bufshift);
 349
 350         if (status->crc)
 351                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 352
 353         if (status->rx_is40mhzpacket)
 354                 rx_status->bw = RATE_INFO_BW_40;
 355
 356         if (status->is_ht)
 357                 rx_status->encoding = RX_ENC_HT;
 358
 359         rx_status->flag |= RX_FLAG_MACTIME_START;
 360
 361         /* hw will set status->decrypted true, if it finds the
 362          * frame is open data frame or mgmt frame.
 363          * So hw will not decryption robust managment frame
 364          * for IEEE80211w but still set status->decrypted
 365          * true, so here we should set it back to undecrypted
 366          * for IEEE80211w frame, and mac80211 sw will help
 367          * to decrypt it
 368          */
 369         if (status->decrypted) {
 370                 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
 371                     (ieee80211_has_protected(hdr->frame_control)))
 372                         rx_status->flag |= RX_FLAG_DECRYPTED;
 373                 else
 374                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 375         }
 376
 377         /* rate_idx: index of data rate into band's
 378          * supported rates or MCS index if HT rates
 379          * are use (RX_FLAG_HT)
 380          */
 381         rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
 382                                                    false, status->rate);
 383
 384         rx_status->mactime = status->timestamp_low;
 385         if (phystatus) {
 386                 p_drvinfo = (struct rx_fwinfo_8723be *)(skb->data +
 387                                                         status->rx_bufshift);
 388
 389                 _rtl8723be_translate_rx_signal_stuff(hw, skb, status,
 390                                                      pdesc, p_drvinfo);
 391         }
 392         rx_status->signal = status->recvsignalpower + 10;
 393         if (status->packet_report_type == TX_REPORT2) {
 394                 status->macid_valid_entry[0] =
 395                   get_rx_rpt2_desc_macid_valid_1(pdesc);
 396                 status->macid_valid_entry[1] =
 397                   get_rx_rpt2_desc_macid_valid_2(pdesc);
 398         }
 399         return true;
 400 }
 401
 402 void rtl8723be_tx_fill_desc(struct ieee80211_hw *hw,
 403                             struct ieee80211_hdr *hdr, u8 *pdesc8,
 404                             u8 *txbd, struct ieee80211_tx_info *info,
 405                             struct ieee80211_sta *sta, struct sk_buff *skb,
 406                             u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 407 {
 408         struct rtl_priv *rtlpriv = rtl_priv(hw);
 409         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 410         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 411         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 412         struct rtlwifi_tx_info *tx_info = rtl_tx_skb_cb_info(skb);
 413         __le32 *pdesc = (__le32 *)pdesc8;
 414         u16 seq_number;
 415         __le16 fc = hdr->frame_control;
 416         unsigned int buf_len = 0;
 417         unsigned int skb_len = skb->len;
 418         u8 fw_qsel = _rtl8723be_map_hwqueue_to_fwqueue(skb, hw_queue);
 419         bool firstseg = ((hdr->seq_ctrl &
 420                             cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 421         bool lastseg = ((hdr->frame_control &
 422                            cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 423         dma_addr_t mapping;
 424         u8 bw_40 = 0;
 425         u8 short_gi = 0;
 426
 427         if (mac->opmode == NL80211_IFTYPE_STATION) {
 428                 bw_40 = mac->bw_40;
 429         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 430                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 431                 if (sta)
 432                         bw_40 = sta->ht_cap.cap &
 433                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 434         }
 435         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 436         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 437         /* reserve 8 byte for AMPDU early mode */
 438         if (rtlhal->earlymode_enable) {
 439                 skb_push(skb, EM_HDR_LEN);
 440                 memset(skb->data, 0, EM_HDR_LEN);
 441         }
 442         buf_len = skb->len;
 443         mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, skb->len,
 444                                  DMA_TO_DEVICE);
 445         if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
 446                 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "DMA mapping error\n");
 447                 return;
 448         }
 449         clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_8723be));
 450         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 451                 firstseg = true;
 452                 lastseg = true;
 453         }
 454         if (firstseg) {
 455                 if (rtlhal->earlymode_enable) {
 456                         set_tx_desc_pkt_offset(pdesc, 1);
 457                         set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN +
 458                                            EM_HDR_LEN);
 459                         if (ptcb_desc->empkt_num) {
 460                                 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
 461                                         "Insert 8 byte.pTcb->EMPktNum:%d\n",
 462                                         ptcb_desc->empkt_num);
 463                                 _rtl8723be_insert_emcontent(ptcb_desc,
 464                                                             (__le32 *)(skb->data));
 465                         }
 466                 } else {
 467                         set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
 468                 }
 469
 470
 471                 /* ptcb_desc->use_driver_rate = true; */
 472                 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);
 473                 if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
 474                         short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
 475                 else
 476                         short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
 477
 478                 set_tx_desc_data_shortgi(pdesc, short_gi);
 479
 480                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 481                         set_tx_desc_agg_enable(pdesc, 1);
 482                         set_tx_desc_max_agg_num(pdesc, 0x14);
 483                 }
 484                 set_tx_desc_seq(pdesc, seq_number);
 485                 set_tx_desc_rts_enable(pdesc, ((ptcb_desc->rts_enable &&
 486                                                 !ptcb_desc->cts_enable) ?
 487                                                 1 : 0));
 488                 set_tx_desc_hw_rts_enable(pdesc, 0);
 489                 set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ?
 490                                               1 : 0));
 491
 492                 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);
 493
 494                 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc);
 495                 set_tx_desc_rts_short(pdesc,
 496                         ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
 497                          (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
 498                          (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 499
 500                 if (ptcb_desc->tx_enable_sw_calc_duration)
 501                         set_tx_desc_nav_use_hdr(pdesc, 1);
 502
 503                 if (bw_40) {
 504                         if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 505                                 set_tx_desc_data_bw(pdesc, 1);
 506                                 set_tx_desc_tx_sub_carrier(pdesc, 3);
 507                         } else {
 508                                 set_tx_desc_data_bw(pdesc, 0);
 509                                 set_tx_desc_tx_sub_carrier(pdesc, mac->cur_40_prime_sc);
 510                         }
 511                 } else {
 512                         set_tx_desc_data_bw(pdesc, 0);
 513                         set_tx_desc_tx_sub_carrier(pdesc, 0);
 514                 }
 515
 516                 set_tx_desc_linip(pdesc, 0);
 517                 set_tx_desc_pkt_size(pdesc, (u16)skb_len);
 518                 if (sta) {
 519                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 520                         set_tx_desc_ampdu_density(pdesc, ampdu_density);
 521                 }
 522                 if (info->control.hw_key) {
 523                         struct ieee80211_key_conf *keyconf =
 524                                                 info->control.hw_key;
 525                         switch (keyconf->cipher) {
 526                         case WLAN_CIPHER_SUITE_WEP40:
 527                         case WLAN_CIPHER_SUITE_WEP104:
 528                         case WLAN_CIPHER_SUITE_TKIP:
 529                                 set_tx_desc_sec_type(pdesc, 0x1);
 530                                 break;
 531                         case WLAN_CIPHER_SUITE_CCMP:
 532                                 set_tx_desc_sec_type(pdesc, 0x3);
 533                                 break;
 534                         default:
 535                                 set_tx_desc_sec_type(pdesc, 0x0);
 536                                 break;
 537                         }
 538                 }
 539
 540                 set_tx_desc_queue_sel(pdesc, fw_qsel);
 541                 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);
 542                 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF);
 543                 set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ?
 544                                               1 : 0);
 545                 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 546
 547                 /* Set TxRate and RTSRate in TxDesc  */
 548                 /* This prevent Tx initial rate of new-coming packets */
 549                 /* from being overwritten by retried  packet rate.*/
 550                 if (ieee80211_is_data_qos(fc)) {
 551                         if (mac->rdg_en) {
 552                                 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
 553                                         "Enable RDG function.\n");
 554                                 set_tx_desc_rdg_enable(pdesc, 1);
 555                                 set_tx_desc_htc(pdesc, 1);
 556                         }
 557                 }
 558                 /* tx report */
 559                 rtl_set_tx_report(ptcb_desc, pdesc8, hw, tx_info);
 560         }
 561
 562         set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));
 563         set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));
 564         set_tx_desc_tx_buffer_size(pdesc, (u16)buf_len);
 565         set_tx_desc_tx_buffer_address(pdesc, mapping);
 566         /* if (rtlpriv->dm.useramask) { */
 567         if (1) {
 568                 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index);
 569                 set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
 570         } else {
 571                 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index);
 572                 set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
 573         }
 574         if (!ieee80211_is_data_qos(fc))  {
 575                 set_tx_desc_hwseq_en(pdesc, 1);
 576                 set_tx_desc_hwseq_sel(pdesc, 0);
 577         }
 578         set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));
 579         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 580             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 581                 set_tx_desc_bmc(pdesc, 1);
 582         }
 583
 584         rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 585 }
 586
 587 void rtl8723be_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8,
 588                                bool firstseg, bool lastseg,
 589                                struct sk_buff *skb)
 590 {
 591         struct rtl_priv *rtlpriv = rtl_priv(hw);
 592         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 593         u8 fw_queue = QSLT_BEACON;
 594         __le32 *pdesc = (__le32 *)pdesc8;
 595
 596         dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
 597                                             skb->len, DMA_TO_DEVICE);
 598
 599         if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
 600                 rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
 601                         "DMA mapping error\n");
 602                 return;
 603         }
 604         clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);
 605
 606         set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
 607
 608         set_tx_desc_tx_rate(pdesc, DESC92C_RATE1M);
 609
 610         set_tx_desc_seq(pdesc, 0);
 611
 612         set_tx_desc_linip(pdesc, 0);
 613
 614         set_tx_desc_queue_sel(pdesc, fw_queue);
 615
 616         set_tx_desc_first_seg(pdesc, 1);
 617         set_tx_desc_last_seg(pdesc, 1);
 618
 619         set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len));
 620
 621         set_tx_desc_tx_buffer_address(pdesc, mapping);
 622
 623         set_tx_desc_rate_id(pdesc, 0);
 624         set_tx_desc_macid(pdesc, 0);
 625
 626         set_tx_desc_own(pdesc, 1);
 627
 628         set_tx_desc_pkt_size(pdesc, (u16)(skb->len));
 629
 630         set_tx_desc_first_seg(pdesc, 1);
 631         set_tx_desc_last_seg(pdesc, 1);
 632
 633         set_tx_desc_use_rate(pdesc, 1);
 634
 635         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 636                       "H2C Tx Cmd Content\n", pdesc, TX_DESC_SIZE);
 637 }
 638
 639 void rtl8723be_set_desc(struct ieee80211_hw *hw, u8 *pdesc8,
 640                         bool istx, u8 desc_name, u8 *val)
 641 {
 642         __le32 *pdesc = (__le32 *)pdesc8;
 643
 644         if (istx) {
 645                 switch (desc_name) {
 646                 case HW_DESC_OWN:
 647                         set_tx_desc_own(pdesc, 1);
 648                         break;
 649                 case HW_DESC_TX_NEXTDESC_ADDR:
 650                         set_tx_desc_next_desc_address(pdesc, *(u32 *)val);
 651                         break;
 652                 default:
 653                         WARN_ONCE(true, "rtl8723be: ERR txdesc :%d not processed\n",
 654                                   desc_name);
 655                         break;
 656                 }
 657         } else {
 658                 switch (desc_name) {
 659                 case HW_DESC_RXOWN:
 660                         set_rx_desc_own(pdesc, 1);
 661                         break;
 662                 case HW_DESC_RXBUFF_ADDR:
 663                         set_rx_desc_buff_addr(pdesc, *(u32 *)val);
 664                         break;
 665                 case HW_DESC_RXPKT_LEN:
 666                         set_rx_desc_pkt_len(pdesc, *(u32 *)val);
 667                         break;
 668                 case HW_DESC_RXERO:
 669                         set_rx_desc_eor(pdesc, 1);
 670                         break;
 671                 default:
 672                         WARN_ONCE(true, "rtl8723be: ERR rxdesc :%d not process\n",
 673                                   desc_name);
 674                         break;
 675                 }
 676         }
 677 }
 678
 679 u64 rtl8723be_get_desc(struct ieee80211_hw *hw,
 680                        u8 *pdesc8, bool istx, u8 desc_name)
 681 {
 682         u32 ret = 0;
 683         __le32 *pdesc = (__le32 *)pdesc8;
 684
 685         if (istx) {
 686                 switch (desc_name) {
 687                 case HW_DESC_OWN:
 688                         ret = get_tx_desc_own(pdesc);
 689                         break;
 690                 case HW_DESC_TXBUFF_ADDR:
 691                         ret = get_tx_desc_tx_buffer_address(pdesc);
 692                         break;
 693                 default:
 694                         WARN_ONCE(true, "rtl8723be: ERR txdesc :%d not process\n",
 695                                   desc_name);
 696                         break;
 697                 }
 698         } else {
 699                 switch (desc_name) {
 700                 case HW_DESC_OWN:
 701                         ret = get_rx_desc_own(pdesc);
 702                         break;
 703                 case HW_DESC_RXPKT_LEN:
 704                         ret = get_rx_desc_pkt_len(pdesc);
 705                         break;
 706                 case HW_DESC_RXBUFF_ADDR:
 707                         ret = get_rx_desc_buff_addr(pdesc);
 708                         break;
 709                 default:
 710                         WARN_ONCE(true, "rtl8723be: ERR rxdesc :%d not processed\n",
 711                                   desc_name);
 712                         break;
 713                 }
 714         }
 715         return ret;
 716 }
 717
 718 bool rtl8723be_is_tx_desc_closed(struct ieee80211_hw *hw,
 719                                  u8 hw_queue, u16 index)
 720 {
 721         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 722         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 723         u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 724         u8 own = (u8)rtl8723be_get_desc(hw, entry, true, HW_DESC_OWN);
 725
 726         /*beacon packet will only use the first
 727          *descriptor defautly,and the own may not
 728          *be cleared by the hardware
 729          */
 730         if (own)
 731                 return false;
 732         return true;
 733 }
 734
 735 void rtl8723be_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 736 {
 737         struct rtl_priv *rtlpriv = rtl_priv(hw);
 738         if (hw_queue == BEACON_QUEUE) {
 739                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 740         } else {
 741                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 742                                BIT(0) << (hw_queue));
 743         }
 744 }