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

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2014  Realtek Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * The full GNU General Public License is included in this distribution in the
  15  * file called LICENSE.
  16  *
  17  * Contact Information:
  18  * wlanfae <wlanfae@realtek.com>
  19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20  * Hsinchu 300, Taiwan.
  21  *
  22  * Larry Finger <Larry.Finger@lwfinger.net>
  23  *
  24  *****************************************************************************/
  25
  26 #include "../wifi.h"
  27 #include "../pci.h"
  28 #include "../base.h"
  29 #include "../stats.h"
  30 #include "reg.h"
  31 #include "def.h"
  32 #include "phy.h"
  33 #include "trx.h"
  34 #include "led.h"
  35 #include "dm.h"
  36 #include "fw.h"
  37
  38 static u8 _rtl8723be_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
  39 {
  40         __le16 fc = rtl_get_fc(skb);
  41
  42         if (unlikely(ieee80211_is_beacon(fc)))
  43                 return QSLT_BEACON;
  44         if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
  45                 return QSLT_MGNT;
  46
  47         return skb->priority;
  48 }
  49
  50 static void _rtl8723be_query_rxphystatus(struct ieee80211_hw *hw,
  51                                          struct rtl_stats *pstatus, u8 *pdesc,
  52                                          struct rx_fwinfo_8723be *p_drvinfo,
  53                                          bool bpacket_match_bssid,
  54                                          bool bpacket_toself,
  55                                          bool packet_beacon)
  56 {
  57         struct rtl_priv *rtlpriv = rtl_priv(hw);
  58         struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo;
  59         char rx_pwr_all = 0, rx_pwr[4];
  60         u8 rf_rx_num = 0, evm, pwdb_all, pwdb_all_bt = 0;
  61         u8 i, max_spatial_stream;
  62         u32 rssi, total_rssi = 0;
  63         bool is_cck = pstatus->is_cck;
  64         u8 lan_idx, vga_idx;
  65
  66         /* Record it for next packet processing */
  67         pstatus->packet_matchbssid = bpacket_match_bssid;
  68         pstatus->packet_toself = bpacket_toself;
  69         pstatus->packet_beacon = packet_beacon;
  70         pstatus->rx_mimo_signalquality[0] = -1;
  71         pstatus->rx_mimo_signalquality[1] = -1;
  72
  73         if (is_cck) {
  74                 u8 cck_highpwr;
  75                 u8 cck_agc_rpt;
  76
  77                 cck_agc_rpt = p_phystrpt->cck_agc_rpt_ofdm_cfosho_a;
  78
  79                 /* (1)Hardware does not provide RSSI for CCK */
  80                 /* (2)PWDB, Average PWDB cacluated by
  81                  * hardware (for rate adaptive)
  82                  */
  83                 cck_highpwr = (u8)rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
  84                                                  BIT(9));
  85
  86                 lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
  87                 vga_idx = (cck_agc_rpt & 0x1f);
  88
  89                 switch (lan_idx) {
  90                 /* 46 53 73 95 201301231630 */
  91                 /* 46 53 77 99 201301241630 */
  92                 case 6:
  93                         rx_pwr_all = -34 - (2 * vga_idx);
  94                         break;
  95                 case 4:
  96                         rx_pwr_all = -14 - (2 * vga_idx);
  97                         break;
  98                 case 1:
  99                         rx_pwr_all = 6 - (2 * vga_idx);
 100                         break;
 101                 case 0:
 102                         rx_pwr_all = 16 - (2 * vga_idx);
 103                         break;
 104                 default:
 105                         break;
 106                 }
 107
 108                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 109                 if (pwdb_all > 100)
 110                         pwdb_all = 100;
 111
 112                 pstatus->rx_pwdb_all = pwdb_all;
 113                 pstatus->bt_rx_rssi_percentage = pwdb_all;
 114                 pstatus->recvsignalpower = rx_pwr_all;
 115
 116                 /* (3) Get Signal Quality (EVM) */
 117                 if (bpacket_match_bssid) {
 118                         u8 sq, sq_rpt;
 119                         if (pstatus->rx_pwdb_all > 40) {
 120                                 sq = 100;
 121                         } else {
 122                                 sq_rpt = p_phystrpt->cck_sig_qual_ofdm_pwdb_all;
 123                                 if (sq_rpt > 64)
 124                                         sq = 0;
 125                                 else if (sq_rpt < 20)
 126                                         sq = 100;
 127                                 else
 128                                         sq = ((64 - sq_rpt) * 100) / 44;
 129                         }
 130                         pstatus->signalquality = sq;
 131                         pstatus->rx_mimo_signalquality[0] = sq;
 132                         pstatus->rx_mimo_signalquality[1] = -1;
 133                 }
 134         } else {
 135                 /* (1)Get RSSI for HT rate */
 136                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 137                         /* we will judge RF RX path now. */
 138                         if (rtlpriv->dm.rfpath_rxenable[i])
 139                                 rf_rx_num++;
 140
 141                         rx_pwr[i] = ((p_phystrpt->path_agc[i].gain & 0x3f) * 2)
 142                                     - 110;
 143
 144                         pstatus->rx_pwr[i] = rx_pwr[i];
 145                         /* Translate DBM to percentage. */
 146                         rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 147                         total_rssi += rssi;
 148
 149                         pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
 150                 }
 151
 152                 /* (2)PWDB, Average PWDB cacluated by
 153                  * hardware (for rate adaptive)
 154                  */
 155                 rx_pwr_all = ((p_phystrpt->cck_sig_qual_ofdm_pwdb_all >> 1) &
 156                              0x7f) - 110;
 157
 158                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 159                 pwdb_all_bt = pwdb_all;
 160                 pstatus->rx_pwdb_all = pwdb_all;
 161                 pstatus->bt_rx_rssi_percentage = pwdb_all_bt;
 162                 pstatus->rxpower = rx_pwr_all;
 163                 pstatus->recvsignalpower = rx_pwr_all;
 164
 165                 /* (3)EVM of HT rate */
 166                 if (pstatus->rate >= DESC92C_RATEMCS8 &&
 167                     pstatus->rate <= DESC92C_RATEMCS15)
 168                         max_spatial_stream = 2;
 169                 else
 170                         max_spatial_stream = 1;
 171
 172                 for (i = 0; i < max_spatial_stream; i++) {
 173                         evm = rtl_evm_db_to_percentage(
 174                                                 p_phystrpt->stream_rxevm[i]);
 175
 176                         if (bpacket_match_bssid) {
 177                                 /* Fill value in RFD, Get the first
 178                                  * spatial stream only
 179                                  */
 180                                 if (i == 0)
 181                                         pstatus->signalquality =
 182                                                         (u8)(evm & 0xff);
 183                                 pstatus->rx_mimo_signalquality[i] =
 184                                                         (u8)(evm & 0xff);
 185                         }
 186                 }
 187
 188                 if (bpacket_match_bssid) {
 189                         for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
 190                                 rtl_priv(hw)->dm.cfo_tail[i] =
 191                                         (int)p_phystrpt->path_cfotail[i];
 192
 193                         if (rtl_priv(hw)->dm.packet_count == 0xffffffff)
 194                                 rtl_priv(hw)->dm.packet_count = 0;
 195                         else
 196                                 rtl_priv(hw)->dm.packet_count++;
 197                 }
 198         }
 199
 200         /* UI BSS List signal strength(in percentage),
 201          * make it good looking, from 0~100.
 202          */
 203         if (is_cck)
 204                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 205                                                                 pwdb_all));
 206         else if (rf_rx_num != 0)
 207                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 208                                                 total_rssi /= rf_rx_num));
 209 }
 210
 211 static void _rtl8723be_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 212                                         struct sk_buff *skb,
 213                                         struct rtl_stats *pstatus,
 214                                         u8 *pdesc,
 215                                         struct rx_fwinfo_8723be *p_drvinfo)
 216 {
 217         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 218         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 219         struct ieee80211_hdr *hdr;
 220         u8 *tmp_buf;
 221         u8 *praddr;
 222         u8 *psaddr;
 223         u16 fc, type;
 224         bool packet_matchbssid, packet_toself, packet_beacon;
 225
 226         tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 227
 228         hdr = (struct ieee80211_hdr *)tmp_buf;
 229         fc = le16_to_cpu(hdr->frame_control);
 230         type = WLAN_FC_GET_TYPE(hdr->frame_control);
 231         praddr = hdr->addr1;
 232         psaddr = ieee80211_get_SA(hdr);
 233         memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
 234
 235         packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 236              (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
 237                                   hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
 238                                   hdr->addr2 : hdr->addr3)) &&
 239                                   (!pstatus->hwerror) &&
 240                                   (!pstatus->crc) && (!pstatus->icv));
 241
 242         packet_toself = packet_matchbssid &&
 243             (ether_addr_equal(praddr, rtlefuse->dev_addr));
 244
 245         /* YP: packet_beacon is not initialized,
 246          * this assignment is neccesary,
 247          * otherwise it counld be true in this case
 248          * the situation is much worse in Kernel 3.10
 249          */
 250         if (ieee80211_is_beacon(hdr->frame_control))
 251                 packet_beacon = true;
 252         else
 253                 packet_beacon = false;
 254
 255         if (packet_beacon && packet_matchbssid)
 256                 rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
 257
 258         _rtl8723be_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 259                                      packet_matchbssid,
 260                                      packet_toself,
 261                                      packet_beacon);
 262
 263         rtl_process_phyinfo(hw, tmp_buf, pstatus);
 264 }
 265
 266 static void _rtl8723be_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 267                                         u8 *virtualaddress)
 268 {
 269         u32 dwtmp = 0;
 270         memset(virtualaddress, 0, 8);
 271
 272         SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
 273         if (ptcb_desc->empkt_num == 1) {
 274                 dwtmp = ptcb_desc->empkt_len[0];
 275         } else {
 276                 dwtmp = ptcb_desc->empkt_len[0];
 277                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 278                 dwtmp += ptcb_desc->empkt_len[1];
 279         }
 280         SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
 281
 282         if (ptcb_desc->empkt_num <= 3) {
 283                 dwtmp = ptcb_desc->empkt_len[2];
 284         } else {
 285                 dwtmp = ptcb_desc->empkt_len[2];
 286                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 287                 dwtmp += ptcb_desc->empkt_len[3];
 288         }
 289         SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
 290         if (ptcb_desc->empkt_num <= 5) {
 291                 dwtmp = ptcb_desc->empkt_len[4];
 292         } else {
 293                 dwtmp = ptcb_desc->empkt_len[4];
 294                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 295                 dwtmp += ptcb_desc->empkt_len[5];
 296         }
 297         SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
 298         SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
 299         if (ptcb_desc->empkt_num <= 7) {
 300                 dwtmp = ptcb_desc->empkt_len[6];
 301         } else {
 302                 dwtmp = ptcb_desc->empkt_len[6];
 303                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 304                 dwtmp += ptcb_desc->empkt_len[7];
 305         }
 306         SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
 307         if (ptcb_desc->empkt_num <= 9) {
 308                 dwtmp = ptcb_desc->empkt_len[8];
 309         } else {
 310                 dwtmp = ptcb_desc->empkt_len[8];
 311                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 312                 dwtmp += ptcb_desc->empkt_len[9];
 313         }
 314         SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
 315 }
 316
 317 bool rtl8723be_rx_query_desc(struct ieee80211_hw *hw,
 318                              struct rtl_stats *status,
 319                              struct ieee80211_rx_status *rx_status,
 320                              u8 *pdesc, struct sk_buff *skb)
 321 {
 322         struct rtl_priv *rtlpriv = rtl_priv(hw);
 323         struct rx_fwinfo_8723be *p_drvinfo;
 324         struct ieee80211_hdr *hdr;
 325
 326         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 327
 328         status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
 329         status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 330                                   RX_DRV_INFO_SIZE_UNIT;
 331         status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
 332         status->icv = (u16) GET_RX_DESC_ICV(pdesc);
 333         status->crc = (u16) GET_RX_DESC_CRC32(pdesc);
 334         status->hwerror = (status->crc | status->icv);
 335         status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 336         status->rate = (u8)GET_RX_DESC_RXMCS(pdesc);
 337         status->shortpreamble = (u16)GET_RX_DESC_SPLCP(pdesc);
 338         status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
 339         status->isfirst_ampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
 340         status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 341         status->rx_is40Mhzpacket = (bool)GET_RX_DESC_BW(pdesc);
 342         status->bandwidth = (u8)GET_RX_DESC_BW(pdesc);
 343         status->macid = GET_RX_DESC_MACID(pdesc);
 344         status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
 345
 346         status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
 347
 348         if (GET_RX_STATUS_DESC_RPT_SEL(pdesc))
 349                 status->packet_report_type = C2H_PACKET;
 350         else
 351                 status->packet_report_type = NORMAL_RX;
 352
 353
 354         if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
 355                 status->wake_match = BIT(2);
 356         else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
 357                 status->wake_match = BIT(1);
 358         else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
 359                 status->wake_match = BIT(0);
 360         else
 361                 status->wake_match = 0;
 362         if (status->wake_match)
 363                 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
 364                 "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
 365                 status->wake_match);
 366         rx_status->freq = hw->conf.chandef.chan->center_freq;
 367         rx_status->band = hw->conf.chandef.chan->band;
 368
 369         hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size +
 370                                        status->rx_bufshift);
 371
 372         if (status->crc)
 373                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 374
 375         if (status->rx_is40Mhzpacket)
 376                 rx_status->flag |= RX_FLAG_40MHZ;
 377
 378         if (status->is_ht)
 379                 rx_status->flag |= RX_FLAG_HT;
 380
 381         rx_status->flag |= RX_FLAG_MACTIME_START;
 382
 383         /* hw will set status->decrypted true, if it finds the
 384          * frame is open data frame or mgmt frame.
 385          * So hw will not decryption robust managment frame
 386          * for IEEE80211w but still set status->decrypted
 387          * true, so here we should set it back to undecrypted
 388          * for IEEE80211w frame, and mac80211 sw will help
 389          * to decrypt it
 390          */
 391         if (status->decrypted) {
 392                 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
 393                     (ieee80211_has_protected(hdr->frame_control)))
 394                         rx_status->flag |= RX_FLAG_DECRYPTED;
 395                 else
 396                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 397         }
 398
 399         /* rate_idx: index of data rate into band's
 400          * supported rates or MCS index if HT rates
 401          * are use (RX_FLAG_HT)
 402          */
 403         rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
 404                                                    false, status->rate);
 405
 406         rx_status->mactime = status->timestamp_low;
 407         if (phystatus) {
 408                 p_drvinfo = (struct rx_fwinfo_8723be *)(skb->data +
 409                                                         status->rx_bufshift);
 410
 411                 _rtl8723be_translate_rx_signal_stuff(hw, skb, status,
 412                                                      pdesc, p_drvinfo);
 413         }
 414         rx_status->signal = status->recvsignalpower + 10;
 415         if (status->packet_report_type == TX_REPORT2) {
 416                 status->macid_valid_entry[0] =
 417                   GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
 418                 status->macid_valid_entry[1] =
 419                   GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
 420         }
 421         return true;
 422 }
 423
 424 void rtl8723be_tx_fill_desc(struct ieee80211_hw *hw,
 425                             struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 426                             u8 *txbd, struct ieee80211_tx_info *info,
 427                             struct ieee80211_sta *sta, struct sk_buff *skb,
 428                             u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 429 {
 430         struct rtl_priv *rtlpriv = rtl_priv(hw);
 431         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 432         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 433         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 434         u8 *pdesc = (u8 *)pdesc_tx;
 435         u16 seq_number;
 436         __le16 fc = hdr->frame_control;
 437         unsigned int buf_len = 0;
 438         unsigned int skb_len = skb->len;
 439         u8 fw_qsel = _rtl8723be_map_hwqueue_to_fwqueue(skb, hw_queue);
 440         bool firstseg = ((hdr->seq_ctrl &
 441                             cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 442         bool lastseg = ((hdr->frame_control &
 443                            cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 444         dma_addr_t mapping;
 445         u8 bw_40 = 0;
 446         u8 short_gi = 0;
 447
 448         if (mac->opmode == NL80211_IFTYPE_STATION) {
 449                 bw_40 = mac->bw_40;
 450         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 451                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 452                 if (sta)
 453                         bw_40 = sta->ht_cap.cap &
 454                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 455         }
 456         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 457         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 458         /* reserve 8 byte for AMPDU early mode */
 459         if (rtlhal->earlymode_enable) {
 460                 skb_push(skb, EM_HDR_LEN);
 461                 memset(skb->data, 0, EM_HDR_LEN);
 462         }
 463         buf_len = skb->len;
 464         mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 465                                  PCI_DMA_TODEVICE);
 466         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 467                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "DMA mapping error");
 468                 return;
 469         }
 470         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8723be));
 471         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 472                 firstseg = true;
 473                 lastseg = true;
 474         }
 475         if (firstseg) {
 476                 if (rtlhal->earlymode_enable) {
 477                         SET_TX_DESC_PKT_OFFSET(pdesc, 1);
 478                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
 479                                            EM_HDR_LEN);
 480                         if (ptcb_desc->empkt_num) {
 481                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 482                                          "Insert 8 byte.pTcb->EMPktNum:%d\n",
 483                                           ptcb_desc->empkt_num);
 484                                 _rtl8723be_insert_emcontent(ptcb_desc,
 485                                                             (u8 *)(skb->data));
 486                         }
 487                 } else {
 488                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 489                 }
 490
 491                 /* ptcb_desc->use_driver_rate = true; */
 492                 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
 493                 if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
 494                         short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
 495                 else
 496                         short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
 497
 498                 SET_TX_DESC_DATA_SHORTGI(pdesc, short_gi);
 499
 500                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 501                         SET_TX_DESC_AGG_ENABLE(pdesc, 1);
 502                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 503                 }
 504                 SET_TX_DESC_SEQ(pdesc, seq_number);
 505                 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
 506                                                 !ptcb_desc->cts_enable) ?
 507                                                 1 : 0));
 508                 SET_TX_DESC_HW_RTS_ENABLE(pdesc, 0);
 509                 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ?
 510                                               1 : 0));
 511
 512                 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 513
 514                 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
 515                 SET_TX_DESC_RTS_SHORT(pdesc,
 516                         ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
 517                          (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
 518                          (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 519
 520                 if (ptcb_desc->tx_enable_sw_calc_duration)
 521                         SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
 522
 523                 if (bw_40) {
 524                         if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 525                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 526                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 527                         } else {
 528                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 529                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, mac->cur_40_prime_sc);
 530                         }
 531                 } else {
 532                         SET_TX_DESC_DATA_BW(pdesc, 0);
 533                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 534                 }
 535
 536                 SET_TX_DESC_LINIP(pdesc, 0);
 537                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
 538                 if (sta) {
 539                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 540                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 541                 }
 542                 if (info->control.hw_key) {
 543                         struct ieee80211_key_conf *keyconf =
 544                                                 info->control.hw_key;
 545                         switch (keyconf->cipher) {
 546                         case WLAN_CIPHER_SUITE_WEP40:
 547                         case WLAN_CIPHER_SUITE_WEP104:
 548                         case WLAN_CIPHER_SUITE_TKIP:
 549                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 550                                 break;
 551                         case WLAN_CIPHER_SUITE_CCMP:
 552                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 553                                 break;
 554                         default:
 555                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 556                                 break;
 557                         }
 558                 }
 559
 560                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 561                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 562                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 563                 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
 564                                               1 : 0);
 565                 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 566
 567                 /* Set TxRate and RTSRate in TxDesc  */
 568                 /* This prevent Tx initial rate of new-coming packets */
 569                 /* from being overwritten by retried  packet rate.*/
 570                 if (ieee80211_is_data_qos(fc)) {
 571                         if (mac->rdg_en) {
 572                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 573                                          "Enable RDG function.\n");
 574                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 575                                 SET_TX_DESC_HTC(pdesc, 1);
 576                         }
 577                 }
 578         }
 579
 580         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 581         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 582         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
 583         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 584         /* if (rtlpriv->dm.useramask) { */
 585         if (1) {
 586                 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
 587                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 588         } else {
 589                 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
 590                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 591         }
 592         if (!ieee80211_is_data_qos(fc))  {
 593                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 594                 SET_TX_DESC_HWSEQ_SEL(pdesc, 0);
 595         }
 596         SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 597         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 598             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 599                 SET_TX_DESC_BMC(pdesc, 1);
 600         }
 601
 602         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 603 }
 604
 605 void rtl8723be_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
 606                                bool firstseg, bool lastseg,
 607                                struct sk_buff *skb)
 608 {
 609         struct rtl_priv *rtlpriv = rtl_priv(hw);
 610         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 611         u8 fw_queue = QSLT_BEACON;
 612
 613         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 614                                             skb->data, skb->len,
 615                                             PCI_DMA_TODEVICE);
 616
 617         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 618                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 619                          "DMA mapping error");
 620                 return;
 621         }
 622         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 623
 624         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 625
 626         SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
 627
 628         SET_TX_DESC_SEQ(pdesc, 0);
 629
 630         SET_TX_DESC_LINIP(pdesc, 0);
 631
 632         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 633
 634         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 635         SET_TX_DESC_LAST_SEG(pdesc, 1);
 636
 637         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
 638
 639         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 640
 641         SET_TX_DESC_RATE_ID(pdesc, 0);
 642         SET_TX_DESC_MACID(pdesc, 0);
 643
 644         SET_TX_DESC_OWN(pdesc, 1);
 645
 646         SET_TX_DESC_PKT_SIZE((u8 *)pdesc, (u16)(skb->len));
 647
 648         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 649         SET_TX_DESC_LAST_SEG(pdesc, 1);
 650
 651         SET_TX_DESC_USE_RATE(pdesc, 1);
 652
 653         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 654                       "H2C Tx Cmd Content\n", pdesc, TX_DESC_SIZE);
 655 }
 656
 657 void rtl8723be_set_desc(struct ieee80211_hw *hw, u8 *pdesc,
 658                         bool istx, u8 desc_name, u8 *val)
 659 {
 660         if (istx) {
 661                 switch (desc_name) {
 662                 case HW_DESC_OWN:
 663                         SET_TX_DESC_OWN(pdesc, 1);
 664                         break;
 665                 case HW_DESC_TX_NEXTDESC_ADDR:
 666                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *)val);
 667                         break;
 668                 default:
 669                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
 670                                           desc_name);
 671                         break;
 672                 }
 673         } else {
 674                 switch (desc_name) {
 675                 case HW_DESC_RXOWN:
 676                         SET_RX_DESC_OWN(pdesc, 1);
 677                         break;
 678                 case HW_DESC_RXBUFF_ADDR:
 679                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *)val);
 680                         break;
 681                 case HW_DESC_RXPKT_LEN:
 682                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *)val);
 683                         break;
 684                 case HW_DESC_RXERO:
 685                         SET_RX_DESC_EOR(pdesc, 1);
 686                         break;
 687                 default:
 688                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 689                                           desc_name);
 690                         break;
 691                 }
 692         }
 693 }
 694
 695 u32 rtl8723be_get_desc(u8 *pdesc, bool istx, u8 desc_name)
 696 {
 697         u32 ret = 0;
 698
 699         if (istx) {
 700                 switch (desc_name) {
 701                 case HW_DESC_OWN:
 702                         ret = GET_TX_DESC_OWN(pdesc);
 703                         break;
 704                 case HW_DESC_TXBUFF_ADDR:
 705                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
 706                         break;
 707                 default:
 708                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
 709                                           desc_name);
 710                         break;
 711                 }
 712         } else {
 713                 switch (desc_name) {
 714                 case HW_DESC_OWN:
 715                         ret = GET_RX_DESC_OWN(pdesc);
 716                         break;
 717                 case HW_DESC_RXPKT_LEN:
 718                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 719                         break;
 720                 case HW_DESC_RXBUFF_ADDR:
 721                         ret = GET_RX_DESC_BUFF_ADDR(pdesc);
 722                         break;
 723                 default:
 724                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 725                                   desc_name);
 726                         break;
 727                 }
 728         }
 729         return ret;
 730 }
 731
 732 bool rtl8723be_is_tx_desc_closed(struct ieee80211_hw *hw,
 733                                  u8 hw_queue, u16 index)
 734 {
 735         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 736         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 737         u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 738         u8 own = (u8)rtl8723be_get_desc(entry, true, HW_DESC_OWN);
 739
 740         /*beacon packet will only use the first
 741          *descriptor defautly,and the own may not
 742          *be cleared by the hardware
 743          */
 744         if (own)
 745                 return false;
 746         return true;
 747 }
 748
 749 void rtl8723be_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 750 {
 751         struct rtl_priv *rtlpriv = rtl_priv(hw);
 752         if (hw_queue == BEACON_QUEUE) {
 753                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 754         } else {
 755                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 756                                BIT(0) << (hw_queue));
 757         }
 758 }
 759
 760 u32 rtl8723be_rx_command_packet(struct ieee80211_hw *hw,
 761                                 struct rtl_stats status,
 762                                 struct sk_buff *skb)
 763 {
 764         u32 result = 0;
 765         struct rtl_priv *rtlpriv = rtl_priv(hw);
 766
 767         switch (status.packet_report_type) {
 768         case NORMAL_RX:
 769                         result = 0;
 770                         break;
 771         case C2H_PACKET:
 772                         rtl8723be_c2h_packet_handler(hw, skb->data,
 773                                                      (u8)skb->len);
 774                         result = 1;
 775                         break;
 776         default:
 777                         RT_TRACE(rtlpriv, COMP_RECV, DBG_TRACE,
 778                                  "No this packet type!!\n");
 779                         break;
 780         }
 781
 782         return result;
 783 }