drivers/net/wireless/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 /* mac80211's rate_idx is like this:
  51  *
  52  * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ
  53  *
  54  * B/G rate:
  55  * (rx_status->flag & RX_FLAG_HT) = 0,
  56  * DESC92C_RATE1M-->DESC92C_RATE54M ==> idx is 0-->11,
  57  *
  58  * N rate:
  59  * (rx_status->flag & RX_FLAG_HT) = 1,
  60  * DESC92C_RATEMCS0-->DESC92C_RATEMCS15 ==> idx is 0-->15
  61  *
  62  * 5G band:rx_status->band == IEEE80211_BAND_5GHZ
  63  * A rate:
  64  * (rx_status->flag & RX_FLAG_HT) = 0,
  65  * DESC92C_RATE6M-->DESC92C_RATE54M ==> idx is 0-->7,
  66  *
  67  * N rate:
  68  * (rx_status->flag & RX_FLAG_HT) = 1,
  69  * DESC92C_RATEMCS0-->DESC92C_RATEMCS15 ==> idx is 0-->15
  70  */
  71 static int _rtl8723be_rate_mapping(struct ieee80211_hw *hw,
  72                                    bool isht, u8 desc_rate)
  73 {
  74         int rate_idx;
  75
  76         if (!isht) {
  77                 if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
  78                         switch (desc_rate) {
  79                         case DESC92C_RATE1M:
  80                                 rate_idx = 0;
  81                                 break;
  82                         case DESC92C_RATE2M:
  83                                 rate_idx = 1;
  84                                 break;
  85                         case DESC92C_RATE5_5M:
  86                                 rate_idx = 2;
  87                                 break;
  88                         case DESC92C_RATE11M:
  89                                 rate_idx = 3;
  90                                 break;
  91                         case DESC92C_RATE6M:
  92                                 rate_idx = 4;
  93                                 break;
  94                         case DESC92C_RATE9M:
  95                                 rate_idx = 5;
  96                                 break;
  97                         case DESC92C_RATE12M:
  98                                 rate_idx = 6;
  99                                 break;
 100                         case DESC92C_RATE18M:
 101                                 rate_idx = 7;
 102                                 break;
 103                         case DESC92C_RATE24M:
 104                                 rate_idx = 8;
 105                                 break;
 106                         case DESC92C_RATE36M:
 107                                 rate_idx = 9;
 108                                 break;
 109                         case DESC92C_RATE48M:
 110                                 rate_idx = 10;
 111                                 break;
 112                         case DESC92C_RATE54M:
 113                                 rate_idx = 11;
 114                                 break;
 115                         default:
 116                                 rate_idx = 0;
 117                                 break;
 118                         }
 119                 } else {
 120                         switch (desc_rate) {
 121                         case DESC92C_RATE6M:
 122                                 rate_idx = 0;
 123                                 break;
 124                         case DESC92C_RATE9M:
 125                                 rate_idx = 1;
 126                                 break;
 127                         case DESC92C_RATE12M:
 128                                 rate_idx = 2;
 129                                 break;
 130                         case DESC92C_RATE18M:
 131                                 rate_idx = 3;
 132                                 break;
 133                         case DESC92C_RATE24M:
 134                                 rate_idx = 4;
 135                                 break;
 136                         case DESC92C_RATE36M:
 137                                 rate_idx = 5;
 138                                 break;
 139                         case DESC92C_RATE48M:
 140                                 rate_idx = 6;
 141                                 break;
 142                         case DESC92C_RATE54M:
 143                                 rate_idx = 7;
 144                                 break;
 145                         default:
 146                                 rate_idx = 0;
 147                                 break;
 148                         }
 149                 }
 150         } else {
 151                 switch (desc_rate) {
 152                 case DESC92C_RATEMCS0:
 153                         rate_idx = 0;
 154                         break;
 155                 case DESC92C_RATEMCS1:
 156                         rate_idx = 1;
 157                         break;
 158                 case DESC92C_RATEMCS2:
 159                         rate_idx = 2;
 160                         break;
 161                 case DESC92C_RATEMCS3:
 162                         rate_idx = 3;
 163                         break;
 164                 case DESC92C_RATEMCS4:
 165                         rate_idx = 4;
 166                         break;
 167                 case DESC92C_RATEMCS5:
 168                         rate_idx = 5;
 169                         break;
 170                 case DESC92C_RATEMCS6:
 171                         rate_idx = 6;
 172                         break;
 173                 case DESC92C_RATEMCS7:
 174                         rate_idx = 7;
 175                         break;
 176                 case DESC92C_RATEMCS8:
 177                         rate_idx = 8;
 178                         break;
 179                 case DESC92C_RATEMCS9:
 180                         rate_idx = 9;
 181                         break;
 182                 case DESC92C_RATEMCS10:
 183                         rate_idx = 10;
 184                         break;
 185                 case DESC92C_RATEMCS11:
 186                         rate_idx = 11;
 187                         break;
 188                 case DESC92C_RATEMCS12:
 189                         rate_idx = 12;
 190                         break;
 191                 case DESC92C_RATEMCS13:
 192                         rate_idx = 13;
 193                         break;
 194                 case DESC92C_RATEMCS14:
 195                         rate_idx = 14;
 196                         break;
 197                 case DESC92C_RATEMCS15:
 198                         rate_idx = 15;
 199                         break;
 200                 default:
 201                         rate_idx = 0;
 202                         break;
 203                 }
 204         }
 205         return rate_idx;
 206 }
 207
 208 static void _rtl8723be_query_rxphystatus(struct ieee80211_hw *hw,
 209                                          struct rtl_stats *pstatus, u8 *pdesc,
 210                                          struct rx_fwinfo_8723be *p_drvinfo,
 211                                          bool bpacket_match_bssid,
 212                                          bool bpacket_toself,
 213                                          bool packet_beacon)
 214 {
 215         struct rtl_priv *rtlpriv = rtl_priv(hw);
 216         struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo;
 217         char rx_pwr_all = 0, rx_pwr[4];
 218         u8 rf_rx_num = 0, evm, pwdb_all, pwdb_all_bt = 0;
 219         u8 i, max_spatial_stream;
 220         u32 rssi, total_rssi = 0;
 221         bool is_cck = pstatus->is_cck;
 222         u8 lan_idx, vga_idx;
 223
 224         /* Record it for next packet processing */
 225         pstatus->packet_matchbssid = bpacket_match_bssid;
 226         pstatus->packet_toself = bpacket_toself;
 227         pstatus->packet_beacon = packet_beacon;
 228         pstatus->rx_mimo_signalquality[0] = -1;
 229         pstatus->rx_mimo_signalquality[1] = -1;
 230
 231         if (is_cck) {
 232                 u8 cck_highpwr;
 233                 u8 cck_agc_rpt;
 234
 235                 cck_agc_rpt = p_phystrpt->cck_agc_rpt_ofdm_cfosho_a;
 236
 237                 /* (1)Hardware does not provide RSSI for CCK */
 238                 /* (2)PWDB, Average PWDB cacluated by
 239                  * hardware (for rate adaptive)
 240                  */
 241                 cck_highpwr = (u8)rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
 242                                                  BIT(9));
 243
 244                 lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
 245                 vga_idx = (cck_agc_rpt & 0x1f);
 246
 247                 switch (lan_idx) {
 248                 /* 46 53 73 95 201301231630 */
 249                 /* 46 53 77 99 201301241630 */
 250                 case 6:
 251                         rx_pwr_all = -34 - (2 * vga_idx);
 252                         break;
 253                 case 4:
 254                         rx_pwr_all = -14 - (2 * vga_idx);
 255                         break;
 256                 case 1:
 257                         rx_pwr_all = 6 - (2 * vga_idx);
 258                         break;
 259                 case 0:
 260                         rx_pwr_all = 16 - (2 * vga_idx);
 261                         break;
 262                 default:
 263                         break;
 264                 }
 265
 266                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 267                 if (pwdb_all > 100)
 268                         pwdb_all = 100;
 269
 270                 pstatus->rx_pwdb_all = pwdb_all;
 271                 pstatus->bt_rx_rssi_percentage = pwdb_all;
 272                 pstatus->recvsignalpower = rx_pwr_all;
 273
 274                 /* (3) Get Signal Quality (EVM) */
 275                 if (bpacket_match_bssid) {
 276                         u8 sq, sq_rpt;
 277                         if (pstatus->rx_pwdb_all > 40) {
 278                                 sq = 100;
 279                         } else {
 280                                 sq_rpt = p_phystrpt->cck_sig_qual_ofdm_pwdb_all;
 281                                 if (sq_rpt > 64)
 282                                         sq = 0;
 283                                 else if (sq_rpt < 20)
 284                                         sq = 100;
 285                                 else
 286                                         sq = ((64 - sq_rpt) * 100) / 44;
 287                         }
 288                         pstatus->signalquality = sq;
 289                         pstatus->rx_mimo_signalquality[0] = sq;
 290                         pstatus->rx_mimo_signalquality[1] = -1;
 291                 }
 292         } else {
 293                 /* (1)Get RSSI for HT rate */
 294                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 295                         /* we will judge RF RX path now. */
 296                         if (rtlpriv->dm.rfpath_rxenable[i])
 297                                 rf_rx_num++;
 298
 299                         rx_pwr[i] = ((p_phystrpt->path_agc[i].gain & 0x3f) * 2)
 300                                     - 110;
 301
 302                         pstatus->rx_pwr[i] = rx_pwr[i];
 303                         /* Translate DBM to percentage. */
 304                         rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 305                         total_rssi += rssi;
 306
 307                         pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
 308                 }
 309
 310                 /* (2)PWDB, Average PWDB cacluated by
 311                  * hardware (for rate adaptive)
 312                  */
 313                 rx_pwr_all = ((p_phystrpt->cck_sig_qual_ofdm_pwdb_all >> 1) &
 314                              0x7f) - 110;
 315
 316                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 317                 pwdb_all_bt = pwdb_all;
 318                 pstatus->rx_pwdb_all = pwdb_all;
 319                 pstatus->bt_rx_rssi_percentage = pwdb_all_bt;
 320                 pstatus->rxpower = rx_pwr_all;
 321                 pstatus->recvsignalpower = rx_pwr_all;
 322
 323                 /* (3)EVM of HT rate */
 324                 if (pstatus->rate >= DESC92C_RATEMCS8 &&
 325                     pstatus->rate <= DESC92C_RATEMCS15)
 326                         max_spatial_stream = 2;
 327                 else
 328                         max_spatial_stream = 1;
 329
 330                 for (i = 0; i < max_spatial_stream; i++) {
 331                         evm = rtl_evm_db_to_percentage(
 332                                                 p_phystrpt->stream_rxevm[i]);
 333
 334                         if (bpacket_match_bssid) {
 335                                 /* Fill value in RFD, Get the first
 336                                  * spatial stream only
 337                                  */
 338                                 if (i == 0)
 339                                         pstatus->signalquality =
 340                                                         (u8)(evm & 0xff);
 341                                 pstatus->rx_mimo_signalquality[i] =
 342                                                         (u8)(evm & 0xff);
 343                         }
 344                 }
 345
 346                 if (bpacket_match_bssid) {
 347                         for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
 348                                 rtl_priv(hw)->dm.cfo_tail[i] =
 349                                         (int)p_phystrpt->path_cfotail[i];
 350
 351                         if (rtl_priv(hw)->dm.packet_count == 0xffffffff)
 352                                 rtl_priv(hw)->dm.packet_count = 0;
 353                         else
 354                                 rtl_priv(hw)->dm.packet_count++;
 355                 }
 356         }
 357
 358         /* UI BSS List signal strength(in percentage),
 359          * make it good looking, from 0~100.
 360          */
 361         if (is_cck)
 362                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 363                                                                 pwdb_all));
 364         else if (rf_rx_num != 0)
 365                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 366                                                 total_rssi /= rf_rx_num));
 367 }
 368
 369 static void _rtl8723be_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 370                                         struct sk_buff *skb,
 371                                         struct rtl_stats *pstatus,
 372                                         u8 *pdesc,
 373                                         struct rx_fwinfo_8723be *p_drvinfo)
 374 {
 375         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 376         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 377         struct ieee80211_hdr *hdr;
 378         u8 *tmp_buf;
 379         u8 *praddr;
 380         u8 *psaddr;
 381         u16 fc, type;
 382         bool packet_matchbssid, packet_toself, packet_beacon;
 383
 384         tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 385
 386         hdr = (struct ieee80211_hdr *)tmp_buf;
 387         fc = le16_to_cpu(hdr->frame_control);
 388         type = WLAN_FC_GET_TYPE(hdr->frame_control);
 389         praddr = hdr->addr1;
 390         psaddr = ieee80211_get_SA(hdr);
 391         memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
 392
 393         packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 394              (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
 395                                   hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
 396                                   hdr->addr2 : hdr->addr3)) &&
 397                                   (!pstatus->hwerror) &&
 398                                   (!pstatus->crc) && (!pstatus->icv));
 399
 400         packet_toself = packet_matchbssid &&
 401             (ether_addr_equal(praddr, rtlefuse->dev_addr));
 402
 403         /* YP: packet_beacon is not initialized,
 404          * this assignment is neccesary,
 405          * otherwise it counld be true in this case
 406          * the situation is much worse in Kernel 3.10
 407          */
 408         if (ieee80211_is_beacon(hdr->frame_control))
 409                 packet_beacon = true;
 410         else
 411                 packet_beacon = false;
 412
 413         if (packet_beacon && packet_matchbssid)
 414                 rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
 415
 416         _rtl8723be_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 417                                      packet_matchbssid,
 418                                      packet_toself,
 419                                      packet_beacon);
 420
 421         rtl_process_phyinfo(hw, tmp_buf, pstatus);
 422 }
 423
 424 static void _rtl8723be_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 425                                         u8 *virtualaddress)
 426 {
 427         u32 dwtmp = 0;
 428         memset(virtualaddress, 0, 8);
 429
 430         SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
 431         if (ptcb_desc->empkt_num == 1) {
 432                 dwtmp = ptcb_desc->empkt_len[0];
 433         } else {
 434                 dwtmp = ptcb_desc->empkt_len[0];
 435                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 436                 dwtmp += ptcb_desc->empkt_len[1];
 437         }
 438         SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
 439
 440         if (ptcb_desc->empkt_num <= 3) {
 441                 dwtmp = ptcb_desc->empkt_len[2];
 442         } else {
 443                 dwtmp = ptcb_desc->empkt_len[2];
 444                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 445                 dwtmp += ptcb_desc->empkt_len[3];
 446         }
 447         SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
 448         if (ptcb_desc->empkt_num <= 5) {
 449                 dwtmp = ptcb_desc->empkt_len[4];
 450         } else {
 451                 dwtmp = ptcb_desc->empkt_len[4];
 452                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 453                 dwtmp += ptcb_desc->empkt_len[5];
 454         }
 455         SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
 456         SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
 457         if (ptcb_desc->empkt_num <= 7) {
 458                 dwtmp = ptcb_desc->empkt_len[6];
 459         } else {
 460                 dwtmp = ptcb_desc->empkt_len[6];
 461                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 462                 dwtmp += ptcb_desc->empkt_len[7];
 463         }
 464         SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
 465         if (ptcb_desc->empkt_num <= 9) {
 466                 dwtmp = ptcb_desc->empkt_len[8];
 467         } else {
 468                 dwtmp = ptcb_desc->empkt_len[8];
 469                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 470                 dwtmp += ptcb_desc->empkt_len[9];
 471         }
 472         SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
 473 }
 474
 475 bool rtl8723be_rx_query_desc(struct ieee80211_hw *hw,
 476                              struct rtl_stats *status,
 477                              struct ieee80211_rx_status *rx_status,
 478                              u8 *pdesc, struct sk_buff *skb)
 479 {
 480         struct rtl_priv *rtlpriv = rtl_priv(hw);
 481         struct rx_fwinfo_8723be *p_drvinfo;
 482         struct ieee80211_hdr *hdr;
 483
 484         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 485
 486         status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
 487         status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 488                                   RX_DRV_INFO_SIZE_UNIT;
 489         status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
 490         status->icv = (u16) GET_RX_DESC_ICV(pdesc);
 491         status->crc = (u16) GET_RX_DESC_CRC32(pdesc);
 492         status->hwerror = (status->crc | status->icv);
 493         status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 494         status->rate = (u8)GET_RX_DESC_RXMCS(pdesc);
 495         status->shortpreamble = (u16)GET_RX_DESC_SPLCP(pdesc);
 496         status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
 497         status->isfirst_ampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
 498         status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 499         status->rx_is40Mhzpacket = (bool)GET_RX_DESC_BW(pdesc);
 500         status->bandwidth = (u8)GET_RX_DESC_BW(pdesc);
 501         status->macid = GET_RX_DESC_MACID(pdesc);
 502         status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
 503
 504         status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
 505
 506         if (GET_RX_STATUS_DESC_RPT_SEL(pdesc))
 507                 status->packet_report_type = C2H_PACKET;
 508         else
 509                 status->packet_report_type = NORMAL_RX;
 510
 511
 512         if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
 513                 status->wake_match = BIT(2);
 514         else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
 515                 status->wake_match = BIT(1);
 516         else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
 517                 status->wake_match = BIT(0);
 518         else
 519                 status->wake_match = 0;
 520         if (status->wake_match)
 521                 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
 522                 "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
 523                 status->wake_match);
 524         rx_status->freq = hw->conf.chandef.chan->center_freq;
 525         rx_status->band = hw->conf.chandef.chan->band;
 526
 527         hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size +
 528                                        status->rx_bufshift);
 529
 530         if (status->crc)
 531                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 532
 533         if (status->rx_is40Mhzpacket)
 534                 rx_status->flag |= RX_FLAG_40MHZ;
 535
 536         if (status->is_ht)
 537                 rx_status->flag |= RX_FLAG_HT;
 538
 539         rx_status->flag |= RX_FLAG_MACTIME_START;
 540
 541         /* hw will set status->decrypted true, if it finds the
 542          * frame is open data frame or mgmt frame.
 543          * So hw will not decryption robust managment frame
 544          * for IEEE80211w but still set status->decrypted
 545          * true, so here we should set it back to undecrypted
 546          * for IEEE80211w frame, and mac80211 sw will help
 547          * to decrypt it
 548          */
 549         if (status->decrypted) {
 550                 if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
 551                     (ieee80211_has_protected(hdr->frame_control)))
 552                         rx_status->flag |= RX_FLAG_DECRYPTED;
 553                 else
 554                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 555         }
 556
 557         /* rate_idx: index of data rate into band's
 558          * supported rates or MCS index if HT rates
 559          * are use (RX_FLAG_HT)
 560          */
 561         rx_status->rate_idx = _rtl8723be_rate_mapping(hw, status->is_ht,
 562                                                       status->rate);
 563
 564         rx_status->mactime = status->timestamp_low;
 565         if (phystatus) {
 566                 p_drvinfo = (struct rx_fwinfo_8723be *)(skb->data +
 567                                                         status->rx_bufshift);
 568
 569                 _rtl8723be_translate_rx_signal_stuff(hw, skb, status,
 570                                                      pdesc, p_drvinfo);
 571         }
 572         rx_status->signal = status->recvsignalpower + 10;
 573         if (status->packet_report_type == TX_REPORT2) {
 574                 status->macid_valid_entry[0] =
 575                   GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
 576                 status->macid_valid_entry[1] =
 577                   GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
 578         }
 579         return true;
 580 }
 581
 582 void rtl8723be_tx_fill_desc(struct ieee80211_hw *hw,
 583                             struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 584                             u8 *txbd, struct ieee80211_tx_info *info,
 585                             struct ieee80211_sta *sta, struct sk_buff *skb,
 586                             u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 587 {
 588         struct rtl_priv *rtlpriv = rtl_priv(hw);
 589         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 590         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 591         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 592         u8 *pdesc = (u8 *)pdesc_tx;
 593         u16 seq_number;
 594         __le16 fc = hdr->frame_control;
 595         unsigned int buf_len = 0;
 596         unsigned int skb_len = skb->len;
 597         u8 fw_qsel = _rtl8723be_map_hwqueue_to_fwqueue(skb, hw_queue);
 598         bool firstseg = ((hdr->seq_ctrl &
 599                             cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 600         bool lastseg = ((hdr->frame_control &
 601                            cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 602         dma_addr_t mapping;
 603         u8 bw_40 = 0;
 604         u8 short_gi = 0;
 605
 606         if (mac->opmode == NL80211_IFTYPE_STATION) {
 607                 bw_40 = mac->bw_40;
 608         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 609                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 610                 if (sta)
 611                         bw_40 = sta->ht_cap.cap &
 612                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 613         }
 614         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 615         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 616         /* reserve 8 byte for AMPDU early mode */
 617         if (rtlhal->earlymode_enable) {
 618                 skb_push(skb, EM_HDR_LEN);
 619                 memset(skb->data, 0, EM_HDR_LEN);
 620         }
 621         buf_len = skb->len;
 622         mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 623                                  PCI_DMA_TODEVICE);
 624         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 625                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "DMA mapping error");
 626                 return;
 627         }
 628         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8723be));
 629         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 630                 firstseg = true;
 631                 lastseg = true;
 632         }
 633         if (firstseg) {
 634                 if (rtlhal->earlymode_enable) {
 635                         SET_TX_DESC_PKT_OFFSET(pdesc, 1);
 636                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
 637                                            EM_HDR_LEN);
 638                         if (ptcb_desc->empkt_num) {
 639                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 640                                          "Insert 8 byte.pTcb->EMPktNum:%d\n",
 641                                           ptcb_desc->empkt_num);
 642                                 _rtl8723be_insert_emcontent(ptcb_desc,
 643                                                             (u8 *)(skb->data));
 644                         }
 645                 } else {
 646                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 647                 }
 648
 649                 /* ptcb_desc->use_driver_rate = true; */
 650                 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
 651                 if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
 652                         short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
 653                 else
 654                         short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
 655
 656                 SET_TX_DESC_DATA_SHORTGI(pdesc, short_gi);
 657
 658                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 659                         SET_TX_DESC_AGG_ENABLE(pdesc, 1);
 660                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 661                 }
 662                 SET_TX_DESC_SEQ(pdesc, seq_number);
 663                 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
 664                                                 !ptcb_desc->cts_enable) ?
 665                                                 1 : 0));
 666                 SET_TX_DESC_HW_RTS_ENABLE(pdesc, 0);
 667                 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ?
 668                                               1 : 0));
 669
 670                 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 671
 672                 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
 673                 SET_TX_DESC_RTS_SHORT(pdesc,
 674                         ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
 675                          (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
 676                          (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 677
 678                 if (ptcb_desc->tx_enable_sw_calc_duration)
 679                         SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
 680
 681                 if (bw_40) {
 682                         if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 683                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 684                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 685                         } else {
 686                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 687                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, mac->cur_40_prime_sc);
 688                         }
 689                 } else {
 690                         SET_TX_DESC_DATA_BW(pdesc, 0);
 691                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 692                 }
 693
 694                 SET_TX_DESC_LINIP(pdesc, 0);
 695                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
 696                 if (sta) {
 697                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 698                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 699                 }
 700                 if (info->control.hw_key) {
 701                         struct ieee80211_key_conf *keyconf =
 702                                                 info->control.hw_key;
 703                         switch (keyconf->cipher) {
 704                         case WLAN_CIPHER_SUITE_WEP40:
 705                         case WLAN_CIPHER_SUITE_WEP104:
 706                         case WLAN_CIPHER_SUITE_TKIP:
 707                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 708                                 break;
 709                         case WLAN_CIPHER_SUITE_CCMP:
 710                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 711                                 break;
 712                         default:
 713                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 714                                 break;
 715                         }
 716                 }
 717
 718                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 719                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 720                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 721                 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
 722                                               1 : 0);
 723                 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 724
 725                 /* Set TxRate and RTSRate in TxDesc  */
 726                 /* This prevent Tx initial rate of new-coming packets */
 727                 /* from being overwritten by retried  packet rate.*/
 728                 if (ieee80211_is_data_qos(fc)) {
 729                         if (mac->rdg_en) {
 730                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 731                                          "Enable RDG function.\n");
 732                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 733                                 SET_TX_DESC_HTC(pdesc, 1);
 734                         }
 735                 }
 736         }
 737
 738         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 739         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 740         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
 741         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 742         /* if (rtlpriv->dm.useramask) { */
 743         if (1) {
 744                 SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
 745                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 746         } else {
 747                 SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
 748                 SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 749         }
 750         if (!ieee80211_is_data_qos(fc))  {
 751                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 752                 SET_TX_DESC_HWSEQ_SEL(pdesc, 0);
 753         }
 754         SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 755         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 756             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 757                 SET_TX_DESC_BMC(pdesc, 1);
 758         }
 759
 760         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 761 }
 762
 763 void rtl8723be_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
 764                                bool firstseg, bool lastseg,
 765                                struct sk_buff *skb)
 766 {
 767         struct rtl_priv *rtlpriv = rtl_priv(hw);
 768         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 769         u8 fw_queue = QSLT_BEACON;
 770
 771         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 772                                             skb->data, skb->len,
 773                                             PCI_DMA_TODEVICE);
 774
 775         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 776                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 777                          "DMA mapping error");
 778                 return;
 779         }
 780         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 781
 782         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 783
 784         SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
 785
 786         SET_TX_DESC_SEQ(pdesc, 0);
 787
 788         SET_TX_DESC_LINIP(pdesc, 0);
 789
 790         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 791
 792         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 793         SET_TX_DESC_LAST_SEG(pdesc, 1);
 794
 795         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
 796
 797         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 798
 799         SET_TX_DESC_RATE_ID(pdesc, 0);
 800         SET_TX_DESC_MACID(pdesc, 0);
 801
 802         SET_TX_DESC_OWN(pdesc, 1);
 803
 804         SET_TX_DESC_PKT_SIZE((u8 *)pdesc, (u16)(skb->len));
 805
 806         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 807         SET_TX_DESC_LAST_SEG(pdesc, 1);
 808
 809         SET_TX_DESC_USE_RATE(pdesc, 1);
 810
 811         RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 812                       "H2C Tx Cmd Content\n", pdesc, TX_DESC_SIZE);
 813 }
 814
 815 void rtl8723be_set_desc(struct ieee80211_hw *hw, u8 *pdesc,
 816                         bool istx, u8 desc_name, u8 *val)
 817 {
 818         if (istx) {
 819                 switch (desc_name) {
 820                 case HW_DESC_OWN:
 821                         SET_TX_DESC_OWN(pdesc, 1);
 822                         break;
 823                 case HW_DESC_TX_NEXTDESC_ADDR:
 824                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *)val);
 825                         break;
 826                 default:
 827                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
 828                                           desc_name);
 829                         break;
 830                 }
 831         } else {
 832                 switch (desc_name) {
 833                 case HW_DESC_RXOWN:
 834                         SET_RX_DESC_OWN(pdesc, 1);
 835                         break;
 836                 case HW_DESC_RXBUFF_ADDR:
 837                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *)val);
 838                         break;
 839                 case HW_DESC_RXPKT_LEN:
 840                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *)val);
 841                         break;
 842                 case HW_DESC_RXERO:
 843                         SET_RX_DESC_EOR(pdesc, 1);
 844                         break;
 845                 default:
 846                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 847                                           desc_name);
 848                         break;
 849                 }
 850         }
 851 }
 852
 853 u32 rtl8723be_get_desc(u8 *pdesc, bool istx, u8 desc_name)
 854 {
 855         u32 ret = 0;
 856
 857         if (istx) {
 858                 switch (desc_name) {
 859                 case HW_DESC_OWN:
 860                         ret = GET_TX_DESC_OWN(pdesc);
 861                         break;
 862                 case HW_DESC_TXBUFF_ADDR:
 863                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
 864                         break;
 865                 default:
 866                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
 867                                           desc_name);
 868                         break;
 869                 }
 870         } else {
 871                 switch (desc_name) {
 872                 case HW_DESC_OWN:
 873                         ret = GET_RX_DESC_OWN(pdesc);
 874                         break;
 875                 case HW_DESC_RXPKT_LEN:
 876                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 877                         break;
 878                 case HW_DESC_RXBUFF_ADDR:
 879                         ret = GET_RX_DESC_BUFF_ADDR(pdesc);
 880                         break;
 881                 default:
 882                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 883                                   desc_name);
 884                         break;
 885                 }
 886         }
 887         return ret;
 888 }
 889
 890 bool rtl8723be_is_tx_desc_closed(struct ieee80211_hw *hw,
 891                                  u8 hw_queue, u16 index)
 892 {
 893         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 894         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 895         u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 896         u8 own = (u8)rtl8723be_get_desc(entry, true, HW_DESC_OWN);
 897
 898         /*beacon packet will only use the first
 899          *descriptor defautly,and the own may not
 900          *be cleared by the hardware
 901          */
 902         if (own)
 903                 return false;
 904         return true;
 905 }
 906
 907 void rtl8723be_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 908 {
 909         struct rtl_priv *rtlpriv = rtl_priv(hw);
 910         if (hw_queue == BEACON_QUEUE) {
 911                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 912         } else {
 913                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 914                                BIT(0) << (hw_queue));
 915         }
 916 }
 917
 918 u32 rtl8723be_rx_command_packet(struct ieee80211_hw *hw,
 919                                 struct rtl_stats status,
 920                                 struct sk_buff *skb)
 921 {
 922         u32 result = 0;
 923         struct rtl_priv *rtlpriv = rtl_priv(hw);
 924
 925         switch (status.packet_report_type) {
 926         case NORMAL_RX:
 927                         result = 0;
 928                         break;
 929         case C2H_PACKET:
 930                         rtl8723be_c2h_packet_handler(hw, skb->data,
 931                                                      (u8)skb->len);
 932                         result = 1;
 933                         break;
 934         default:
 935                         RT_TRACE(rtlpriv, COMP_RECV, DBG_TRACE,
 936                                  "No this packet type!!\n");
 937                         break;
 938         }
 939
 940         return result;
 941 }