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_highpwr;
  54                 u8 cck_agc_rpt;
  55
  56                 cck_agc_rpt = p_phystrpt->cck_agc_rpt_ofdm_cfosho_a;
  57
  58                 /* (1)Hardware does not provide RSSI for CCK */
  59                 /* (2)PWDB, Average PWDB cacluated by
  60                  * hardware (for rate adaptive)
  61                  */
  62                 cck_highpwr = (u8)rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
  63                                                  BIT(9));
  64
  65                 lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
  66                 vga_idx = (cck_agc_rpt & 0x1f);
  67
  68                 switch (lan_idx) {
  69                 /* 46 53 73 95 201301231630 */
  70                 /* 46 53 77 99 201301241630 */
  71                 case 6:
  72                         rx_pwr_all = -34 - (2 * vga_idx);
  73                         break;
  74                 case 4:
  75                         rx_pwr_all = -14 - (2 * vga_idx);
  76                         break;
  77                 case 1:
  78                         rx_pwr_all = 6 - (2 * vga_idx);
  79                         break;
  80                 case 0:
  81                         rx_pwr_all = 16 - (2 * vga_idx);
  82                         break;
  83                 default:
  84                         break;
  85                 }
  86
  87                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
  88                 if (pwdb_all > 100)
  89                         pwdb_all = 100;
  90
  91                 pstatus->rx_pwdb_all = pwdb_all;
  92                 pstatus->bt_rx_rssi_percentage = pwdb_all;
  93                 pstatus->recvsignalpower = rx_pwr_all;
  94
  95                 /* (3) Get Signal Quality (EVM) */
  96                 if (bpacket_match_bssid) {
  97                         u8 sq, sq_rpt;
  98                         if (pstatus->rx_pwdb_all > 40) {
  99                                 sq = 100;
 100                         } else {
 101                                 sq_rpt = p_phystrpt->cck_sig_qual_ofdm_pwdb_all;
 102                                 if (sq_rpt > 64)
 103                                         sq = 0;
 104                                 else if (sq_rpt < 20)
 105                                         sq = 100;
 106                                 else
 107                                         sq = ((64 - sq_rpt) * 100) / 44;
 108                         }
 109                         pstatus->signalquality = sq;
 110                         pstatus->rx_mimo_signalquality[0] = sq;
 111                         pstatus->rx_mimo_signalquality[1] = -1;
 112                 }
 113         } else {
 114                 /* (1)Get RSSI for HT rate */
 115                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 116                         /* we will judge RF RX path now. */
 117                         if (rtlpriv->dm.rfpath_rxenable[i])
 118                                 rf_rx_num++;
 119
 120                         rx_pwr[i] = ((p_phystrpt->path_agc[i].gain & 0x3f) * 2)
 121                                     - 110;
 122
 123                         pstatus->rx_pwr[i] = rx_pwr[i];
 124                         /* Translate DBM to percentage. */
 125                         rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 126                         total_rssi += rssi;
 127
 128                         pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
 129                 }
 130
 131                 /* (2)PWDB, Average PWDB cacluated by
 132                  * hardware (for rate adaptive)
 133                  */
 134                 rx_pwr_all = ((p_phystrpt->cck_sig_qual_ofdm_pwdb_all >> 1) &
 135                              0x7f) - 110;
 136
 137                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 138                 pwdb_all_bt = pwdb_all;
 139                 pstatus->rx_pwdb_all = pwdb_all;
 140                 pstatus->bt_rx_rssi_percentage = pwdb_all_bt;
 141                 pstatus->rxpower = rx_pwr_all;
 142                 pstatus->recvsignalpower = rx_pwr_all;
 143
 144                 /* (3)EVM of HT rate */
 145                 if (pstatus->rate >= DESC92C_RATEMCS8 &&
 146                     pstatus->rate <= DESC92C_RATEMCS15)
 147                         max_spatial_stream = 2;
 148                 else
 149                         max_spatial_stream = 1;
 150
 151                 for (i = 0; i < max_spatial_stream; i++) {
 152                         evm = rtl_evm_db_to_percentage(
 153                                                 p_phystrpt->stream_rxevm[i]);
 154
 155                         if (bpacket_match_bssid) {
 156                                 /* Fill value in RFD, Get the first
 157                                  * spatial stream only
 158                                  */
 159                                 if (i == 0)
 160                                         pstatus->signalquality =
 161                                                         (u8)(evm & 0xff);
 162                                 pstatus->rx_mimo_signalquality[i] =
 163                                                         (u8)(evm & 0xff);
 164                         }
 165                 }
 166
 167                 if (bpacket_match_bssid) {
 168                         for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
 169                                 rtl_priv(hw)->dm.cfo_tail[i] =
 170                                         (int)p_phystrpt->path_cfotail[i];
 171
 172                         if (rtl_priv(hw)->dm.packet_count == 0xffffffff)
 173                                 rtl_priv(hw)->dm.packet_count = 0;
 174                         else
 175                                 rtl_priv(hw)->dm.packet_count++;
 176                 }
 177         }
 178
 179         /* UI BSS List signal strength(in percentage),
 180          * make it good looking, from 0~100.
 181          */
 182         if (is_cck)
 183                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 184                                                                 pwdb_all));
 185         else if (rf_rx_num != 0)
 186                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 187                                                 total_rssi /= rf_rx_num));
 188 }
 189
 190 static void _rtl8723be_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 191                                         struct sk_buff *skb,
 192                                         struct rtl_stats *pstatus,
 193                                         __le32 *pdesc,
 194                                         struct rx_fwinfo_8723be *p_drvinfo)
 195 {
 196         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 197         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 198         struct ieee80211_hdr *hdr;
 199         u8 *tmp_buf;
 200         u8 *praddr;
 201         u8 *psaddr;
 202         u16 fc, type;
 203         bool packet_matchbssid, packet_toself, packet_beacon;
 204
 205         tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 206
 207         hdr = (struct ieee80211_hdr *)tmp_buf;
 208         fc = le16_to_cpu(hdr->frame_control);
 209         type = WLAN_FC_GET_TYPE(hdr->frame_control);
 210         praddr = hdr->addr1;
 211         psaddr = ieee80211_get_SA(hdr);
 212         memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
 213
 214         packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 215              (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
 216                                   hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
 217                                   hdr->addr2 : hdr->addr3)) &&
 218                                   (!pstatus->hwerror) &&
 219                                   (!pstatus->crc) && (!pstatus->icv));
 220
 221         packet_toself = packet_matchbssid &&
 222             (ether_addr_equal(praddr, rtlefuse->dev_addr));
 223
 224         /* YP: packet_beacon is not initialized,
 225          * this assignment is neccesary,
 226          * otherwise it counld be true in this case
 227          * the situation is much worse in Kernel 3.10
 228          */
 229         if (ieee80211_is_beacon(hdr->frame_control))
 230                 packet_beacon = true;
 231         else
 232                 packet_beacon = false;
 233
 234         if (packet_beacon && packet_matchbssid)
 235                 rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
 236
 237         _rtl8723be_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 238                                      packet_matchbssid,
 239                                      packet_toself,
 240                                      packet_beacon);
 241
 242         rtl_process_phyinfo(hw, tmp_buf, pstatus);
 243 }
 244
 245 static void _rtl8723be_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 246                                         __le32 *virtualaddress)
 247 {
 248         u32 dwtmp = 0;
 249         memset(virtualaddress, 0, 8);
 250
 251         set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num);
 252         if (ptcb_desc->empkt_num == 1) {
 253                 dwtmp = ptcb_desc->empkt_len[0];
 254         } else {
 255                 dwtmp = ptcb_desc->empkt_len[0];
 256                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 257                 dwtmp += ptcb_desc->empkt_len[1];
 258         }
 259         set_earlymode_len0(virtualaddress, dwtmp);
 260
 261         if (ptcb_desc->empkt_num <= 3) {
 262                 dwtmp = ptcb_desc->empkt_len[2];
 263         } else {
 264                 dwtmp = ptcb_desc->empkt_len[2];
 265                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 266                 dwtmp += ptcb_desc->empkt_len[3];
 267         }
 268         set_earlymode_len1(virtualaddress, dwtmp);
 269         if (ptcb_desc->empkt_num <= 5) {
 270                 dwtmp = ptcb_desc->empkt_len[4];
 271         } else {
 272                 dwtmp = ptcb_desc->empkt_len[4];
 273                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 274                 dwtmp += ptcb_desc->empkt_len[5];
 275         }
 276         set_earlymode_len2_1(virtualaddress, dwtmp & 0xF);
 277         set_earlymode_len2_2(virtualaddress, dwtmp >> 4);
 278         if (ptcb_desc->empkt_num <= 7) {
 279                 dwtmp = ptcb_desc->empkt_len[6];
 280         } else {
 281                 dwtmp = ptcb_desc->empkt_len[6];
 282                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 283                 dwtmp += ptcb_desc->empkt_len[7];
 284         }
 285         set_earlymode_len3(virtualaddress, dwtmp);
 286         if (ptcb_desc->empkt_num <= 9) {
 287                 dwtmp = ptcb_desc->empkt_len[8];
 288         } else {
 289                 dwtmp = ptcb_desc->empkt_len[8];
 290                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 291                 dwtmp += ptcb_desc->empkt_len[9];
 292         }
 293         set_earlymode_len4(virtualaddress, dwtmp);
 294 }
 295
 296 bool rtl8723be_rx_query_desc(struct ieee80211_hw *hw,
 297                              struct rtl_stats *status,
 298                              struct ieee80211_rx_status *rx_status,
 299                              u8 *pdesc8, struct sk_buff *skb)
 300 {
 301         struct rtl_priv *rtlpriv = rtl_priv(hw);
 302         struct rx_fwinfo_8723be *p_drvinfo;
 303         struct ieee80211_hdr *hdr;
 304         u8 wake_match;
 305         __le32 *pdesc = (__le32 *)pdesc8;
 306         u32 phystatus = get_rx_desc_physt(pdesc);
 307
 308         status->length = (u16)get_rx_desc_pkt_len(pdesc);
 309         status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) *
 310                                   RX_DRV_INFO_SIZE_UNIT;
 311         status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03);
 312         status->icv = (u16)get_rx_desc_icv(pdesc);
 313         status->crc = (u16)get_rx_desc_crc32(pdesc);
 314         status->hwerror = (status->crc | status->icv);
 315         status->decrypted = !get_rx_desc_swdec(pdesc);
 316         status->rate = (u8)get_rx_desc_rxmcs(pdesc);
 317         status->shortpreamble = (u16)get_rx_desc_splcp(pdesc);
 318         status->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
 319         status->isfirst_ampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
 320         status->timestamp_low = get_rx_desc_tsfl(pdesc);
 321         status->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc);
 322         status->bandwidth = (u8)get_rx_desc_bw(pdesc);
 323         status->macid = get_rx_desc_macid(pdesc);
 324         status->is_ht = (bool)get_rx_desc_rxht(pdesc);
 325
 326         status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
 327
 328         if (get_rx_status_desc_rpt_sel(pdesc))
 329                 status->packet_report_type = C2H_PACKET;
 330         else
 331                 status->packet_report_type = NORMAL_RX;
 332
 333
 334         if (get_rx_status_desc_pattern_match(pdesc))
 335                 wake_match = BIT(2);
 336         else if (get_rx_status_desc_magic_match(pdesc))
 337                 wake_match = BIT(1);
 338         else if (get_rx_status_desc_unicast_match(pdesc))
 339                 wake_match = BIT(0);
 340         else
 341                 wake_match = 0;
 342         if (wake_match)
 343                 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
 344                 "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
 345                 wake_match);
 346         rx_status->freq = hw->conf.chandef.chan->center_freq;
 347         rx_status->band = hw->conf.chandef.chan->band;
 348
 349         hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size +
 350                                        status->rx_bufshift);
 351
 352         if (status->crc)
 353                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 354
 355         if (status->rx_is40mhzpacket)
 356                 rx_status->bw = RATE_INFO_BW_40;
 357
 358         if (status->is_ht)
 359                 rx_status->encoding = RX_ENC_HT;
 360
 361         rx_status->flag |= RX_FLAG_MACTIME_START;
 362
 363         /* hw will set status->decrypted true, if it finds the
 364          * frame is open data frame or mgmt frame.
 365          * So hw will not decryption robust managment frame
 366          * for IEEE80211w but still set status->decrypted
 367          * true, so here we should set it back to undecrypted
 368          * for IEEE80211w frame, and mac80211 sw will help
 369          * to decrypt it
 370          */
 371         if (status->decrypted) {
 372                 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
 373                     (ieee80211_has_protected(hdr->frame_control)))
 374                         rx_status->flag |= RX_FLAG_DECRYPTED;
 375                 else
 376                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 377         }
 378
 379         /* rate_idx: index of data rate into band's
 380          * supported rates or MCS index if HT rates
 381          * are use (RX_FLAG_HT)
 382          */
 383         rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
 384                                                    false, status->rate);
 385
 386         rx_status->mactime = status->timestamp_low;
 387         if (phystatus) {
 388                 p_drvinfo = (struct rx_fwinfo_8723be *)(skb->data +
 389                                                         status->rx_bufshift);
 390
 391                 _rtl8723be_translate_rx_signal_stuff(hw, skb, status,
 392                                                      pdesc, p_drvinfo);
 393         }
 394         rx_status->signal = status->recvsignalpower + 10;
 395         if (status->packet_report_type == TX_REPORT2) {
 396                 status->macid_valid_entry[0] =
 397                   get_rx_rpt2_desc_macid_valid_1(pdesc);
 398                 status->macid_valid_entry[1] =
 399                   get_rx_rpt2_desc_macid_valid_2(pdesc);
 400         }
 401         return true;
 402 }
 403
 404 void rtl8723be_tx_fill_desc(struct ieee80211_hw *hw,
 405                             struct ieee80211_hdr *hdr, u8 *pdesc8,
 406                             u8 *txbd, struct ieee80211_tx_info *info,
 407                             struct ieee80211_sta *sta, struct sk_buff *skb,
 408                             u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 409 {
 410         struct rtl_priv *rtlpriv = rtl_priv(hw);
 411         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 412         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 413         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 414         struct rtlwifi_tx_info *tx_info = rtl_tx_skb_cb_info(skb);
 415         __le32 *pdesc = (__le32 *)pdesc8;
 416         u16 seq_number;
 417         __le16 fc = hdr->frame_control;
 418         unsigned int buf_len = 0;
 419         unsigned int skb_len = skb->len;
 420         u8 fw_qsel = _rtl8723be_map_hwqueue_to_fwqueue(skb, hw_queue);
 421         bool firstseg = ((hdr->seq_ctrl &
 422                             cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 423         bool lastseg = ((hdr->frame_control &
 424                            cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 425         dma_addr_t mapping;
 426         u8 bw_40 = 0;
 427         u8 short_gi = 0;
 428
 429         if (mac->opmode == NL80211_IFTYPE_STATION) {
 430                 bw_40 = mac->bw_40;
 431         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 432                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 433                 if (sta)
 434                         bw_40 = sta->ht_cap.cap &
 435                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 436         }
 437         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 438         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 439         /* reserve 8 byte for AMPDU early mode */
 440         if (rtlhal->earlymode_enable) {
 441                 skb_push(skb, EM_HDR_LEN);
 442                 memset(skb->data, 0, EM_HDR_LEN);
 443         }
 444         buf_len = skb->len;
 445         mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 446                                  PCI_DMA_TODEVICE);
 447         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 448                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "DMA mapping error\n");
 449                 return;
 450         }
 451         clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_8723be));
 452         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 453                 firstseg = true;
 454                 lastseg = true;
 455         }
 456         if (firstseg) {
 457                 if (rtlhal->earlymode_enable) {
 458                         set_tx_desc_pkt_offset(pdesc, 1);
 459                         set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN +
 460                                            EM_HDR_LEN);
 461                         if (ptcb_desc->empkt_num) {
 462                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 463                                          "Insert 8 byte.pTcb->EMPktNum:%d\n",
 464                                           ptcb_desc->empkt_num);
 465                                 _rtl8723be_insert_emcontent(ptcb_desc,
 466                                                             (__le32 *)(skb->data));
 467                         }
 468                 } else {
 469                         set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
 470                 }
 471
 472
 473                 /* ptcb_desc->use_driver_rate = true; */
 474                 set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);
 475                 if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
 476                         short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
 477                 else
 478                         short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
 479
 480                 set_tx_desc_data_shortgi(pdesc, short_gi);
 481
 482                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 483                         set_tx_desc_agg_enable(pdesc, 1);
 484                         set_tx_desc_max_agg_num(pdesc, 0x14);
 485                 }
 486                 set_tx_desc_seq(pdesc, seq_number);
 487                 set_tx_desc_rts_enable(pdesc, ((ptcb_desc->rts_enable &&
 488                                                 !ptcb_desc->cts_enable) ?
 489                                                 1 : 0));
 490                 set_tx_desc_hw_rts_enable(pdesc, 0);
 491                 set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ?
 492                                               1 : 0));
 493
 494                 set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);
 495
 496                 set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc);
 497                 set_tx_desc_rts_short(pdesc,
 498                         ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
 499                          (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
 500                          (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 501
 502                 if (ptcb_desc->tx_enable_sw_calc_duration)
 503                         set_tx_desc_nav_use_hdr(pdesc, 1);
 504
 505                 if (bw_40) {
 506                         if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 507                                 set_tx_desc_data_bw(pdesc, 1);
 508                                 set_tx_desc_tx_sub_carrier(pdesc, 3);
 509                         } else {
 510                                 set_tx_desc_data_bw(pdesc, 0);
 511                                 set_tx_desc_tx_sub_carrier(pdesc, mac->cur_40_prime_sc);
 512                         }
 513                 } else {
 514                         set_tx_desc_data_bw(pdesc, 0);
 515                         set_tx_desc_tx_sub_carrier(pdesc, 0);
 516                 }
 517
 518                 set_tx_desc_linip(pdesc, 0);
 519                 set_tx_desc_pkt_size(pdesc, (u16)skb_len);
 520                 if (sta) {
 521                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 522                         set_tx_desc_ampdu_density(pdesc, ampdu_density);
 523                 }
 524                 if (info->control.hw_key) {
 525                         struct ieee80211_key_conf *keyconf =
 526                                                 info->control.hw_key;
 527                         switch (keyconf->cipher) {
 528                         case WLAN_CIPHER_SUITE_WEP40:
 529                         case WLAN_CIPHER_SUITE_WEP104:
 530                         case WLAN_CIPHER_SUITE_TKIP:
 531                                 set_tx_desc_sec_type(pdesc, 0x1);
 532                                 break;
 533                         case WLAN_CIPHER_SUITE_CCMP:
 534                                 set_tx_desc_sec_type(pdesc, 0x3);
 535                                 break;
 536                         default:
 537                                 set_tx_desc_sec_type(pdesc, 0x0);
 538                                 break;
 539                         }
 540                 }
 541
 542                 set_tx_desc_queue_sel(pdesc, fw_qsel);
 543                 set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);
 544                 set_tx_desc_rts_rate_fb_limit(pdesc, 0xF);
 545                 set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ?
 546                                               1 : 0);
 547                 set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 548
 549                 /* Set TxRate and RTSRate in TxDesc  */
 550                 /* This prevent Tx initial rate of new-coming packets */
 551                 /* from being overwritten by retried  packet rate.*/
 552                 if (ieee80211_is_data_qos(fc)) {
 553                         if (mac->rdg_en) {
 554                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 555                                          "Enable RDG function.\n");
 556                                 set_tx_desc_rdg_enable(pdesc, 1);
 557                                 set_tx_desc_htc(pdesc, 1);
 558                         }
 559                 }
 560                 /* tx report */
 561                 rtl_set_tx_report(ptcb_desc, pdesc8, hw, tx_info);
 562         }
 563
 564         set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));
 565         set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));
 566         set_tx_desc_tx_buffer_size(pdesc, (u16)buf_len);
 567         set_tx_desc_tx_buffer_address(pdesc, mapping);
 568         /* if (rtlpriv->dm.useramask) { */
 569         if (1) {
 570                 set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index);
 571                 set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
 572         } else {
 573                 set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index);
 574                 set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
 575         }
 576         if (!ieee80211_is_data_qos(fc))  {
 577                 set_tx_desc_hwseq_en(pdesc, 1);
 578                 set_tx_desc_hwseq_sel(pdesc, 0);
 579         }
 580         set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));
 581         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 582             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 583                 set_tx_desc_bmc(pdesc, 1);
 584         }
 585
 586         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 587 }
 588
 589 void rtl8723be_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8,
 590                                bool firstseg, bool lastseg,
 591                                struct sk_buff *skb)
 592 {
 593         struct rtl_priv *rtlpriv = rtl_priv(hw);
 594         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 595         u8 fw_queue = QSLT_BEACON;
 596         __le32 *pdesc = (__le32 *)pdesc8;
 597
 598         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 599                                             skb->data, skb->len,
 600                                             PCI_DMA_TODEVICE);
 601
 602         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 603                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 604                          "DMA mapping error\n");
 605                 return;
 606         }
 607         clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);
 608
 609         set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
 610
 611         set_tx_desc_tx_rate(pdesc, DESC92C_RATE1M);
 612
 613         set_tx_desc_seq(pdesc, 0);
 614
 615         set_tx_desc_linip(pdesc, 0);
 616
 617         set_tx_desc_queue_sel(pdesc, fw_queue);
 618
 619         set_tx_desc_first_seg(pdesc, 1);
 620         set_tx_desc_last_seg(pdesc, 1);
 621
 622         set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len));
 623
 624         set_tx_desc_tx_buffer_address(pdesc, mapping);
 625
 626         set_tx_desc_rate_id(pdesc, 0);
 627         set_tx_desc_macid(pdesc, 0);
 628
 629         set_tx_desc_own(pdesc, 1);
 630
 631         set_tx_desc_pkt_size(pdesc, (u16)(skb->len));
 632
 633         set_tx_desc_first_seg(pdesc, 1);
 634         set_tx_desc_last_seg(pdesc, 1);
 635
 636         set_tx_desc_use_rate(pdesc, 1);
 637
 638         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 639                       "H2C Tx Cmd Content\n", pdesc, TX_DESC_SIZE);
 640 }
 641
 642 void rtl8723be_set_desc(struct ieee80211_hw *hw, u8 *pdesc8,
 643                         bool istx, u8 desc_name, u8 *val)
 644 {
 645         __le32 *pdesc = (__le32 *)pdesc8;
 646
 647         if (istx) {
 648                 switch (desc_name) {
 649                 case HW_DESC_OWN:
 650                         set_tx_desc_own(pdesc, 1);
 651                         break;
 652                 case HW_DESC_TX_NEXTDESC_ADDR:
 653                         set_tx_desc_next_desc_address(pdesc, *(u32 *)val);
 654                         break;
 655                 default:
 656                         WARN_ONCE(true, "rtl8723be: ERR txdesc :%d not processed\n",
 657                                   desc_name);
 658                         break;
 659                 }
 660         } else {
 661                 switch (desc_name) {
 662                 case HW_DESC_RXOWN:
 663                         set_rx_desc_own(pdesc, 1);
 664                         break;
 665                 case HW_DESC_RXBUFF_ADDR:
 666                         set_rx_desc_buff_addr(pdesc, *(u32 *)val);
 667                         break;
 668                 case HW_DESC_RXPKT_LEN:
 669                         set_rx_desc_pkt_len(pdesc, *(u32 *)val);
 670                         break;
 671                 case HW_DESC_RXERO:
 672                         set_rx_desc_eor(pdesc, 1);
 673                         break;
 674                 default:
 675                         WARN_ONCE(true, "rtl8723be: ERR rxdesc :%d not process\n",
 676                                   desc_name);
 677                         break;
 678                 }
 679         }
 680 }
 681
 682 u64 rtl8723be_get_desc(struct ieee80211_hw *hw,
 683                        u8 *pdesc8, bool istx, u8 desc_name)
 684 {
 685         u32 ret = 0;
 686         __le32 *pdesc = (__le32 *)pdesc8;
 687
 688         if (istx) {
 689                 switch (desc_name) {
 690                 case HW_DESC_OWN:
 691                         ret = get_tx_desc_own(pdesc);
 692                         break;
 693                 case HW_DESC_TXBUFF_ADDR:
 694                         ret = get_tx_desc_tx_buffer_address(pdesc);
 695                         break;
 696                 default:
 697                         WARN_ONCE(true, "rtl8723be: ERR txdesc :%d not process\n",
 698                                   desc_name);
 699                         break;
 700                 }
 701         } else {
 702                 switch (desc_name) {
 703                 case HW_DESC_OWN:
 704                         ret = get_rx_desc_own(pdesc);
 705                         break;
 706                 case HW_DESC_RXPKT_LEN:
 707                         ret = get_rx_desc_pkt_len(pdesc);
 708                         break;
 709                 case HW_DESC_RXBUFF_ADDR:
 710                         ret = get_rx_desc_buff_addr(pdesc);
 711                         break;
 712                 default:
 713                         WARN_ONCE(true, "rtl8723be: ERR rxdesc :%d not processed\n",
 714                                   desc_name);
 715                         break;
 716                 }
 717         }
 718         return ret;
 719 }
 720
 721 bool rtl8723be_is_tx_desc_closed(struct ieee80211_hw *hw,
 722                                  u8 hw_queue, u16 index)
 723 {
 724         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 725         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 726         u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 727         u8 own = (u8)rtl8723be_get_desc(hw, entry, true, HW_DESC_OWN);
 728
 729         /*beacon packet will only use the first
 730          *descriptor defautly,and the own may not
 731          *be cleared by the hardware
 732          */
 733         if (own)
 734                 return false;
 735         return true;
 736 }
 737
 738 void rtl8723be_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 739 {
 740         struct rtl_priv *rtlpriv = rtl_priv(hw);
 741         if (hw_queue == BEACON_QUEUE) {
 742                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 743         } else {
 744                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 745                                BIT(0) << (hw_queue));
 746         }
 747 }