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 "phy.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 packet_match_bssid,
 212                                          bool packet_toself,
 213                                          bool packet_beacon)
 214 {
 215         struct rtl_priv *rtlpriv = rtl_priv(hw);
 216         struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
 217         struct phy_sts_cck_8723e_t *cck_buf;
 218         struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo;
 219         struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
 220         char rx_pwr_all = 0, rx_pwr[4];
 221         u8 rf_rx_num = 0, evm, pwdb_all;
 222         u8 i, max_spatial_stream;
 223         u32 rssi, total_rssi = 0;
 224         bool is_cck = pstatus->is_cck;
 225         u8 lan_idx, vga_idx;
 226
 227         /* Record it for next packet processing */
 228         pstatus->packet_matchbssid = packet_match_bssid;
 229         pstatus->packet_toself = packet_toself;
 230         pstatus->packet_beacon = packet_beacon;
 231         pstatus->rx_mimo_sig_qual[0] = -1;
 232         pstatus->rx_mimo_sig_qual[1] = -1;
 233
 234         if (is_cck) {
 235                 u8 cck_highpwr;
 236                 u8 cck_agc_rpt;
 237                 /* CCK Driver info Structure is not the same as OFDM packet. */
 238                 cck_buf = (struct phy_sts_cck_8723e_t *)p_drvinfo;
 239                 cck_agc_rpt = cck_buf->cck_agc_rpt;
 240
 241                 /* (1)Hardware does not provide RSSI for CCK
 242                  * (2)PWDB, Average PWDB cacluated by
 243                  * hardware (for rate adaptive)
 244                  */
 245                 if (ppsc->rfpwr_state == ERFON)
 246                         cck_highpwr = (u8) rtl_get_bbreg(hw,
 247                                                        RFPGA0_XA_HSSIPARAMETER2,
 248                                                        BIT(9));
 249                 else
 250                         cck_highpwr = false;
 251
 252                 lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
 253                 vga_idx = (cck_agc_rpt & 0x1f);
 254                 switch (lan_idx) {
 255                 case 7:
 256                         if (vga_idx <= 27)/*VGA_idx = 27~2*/
 257                                 rx_pwr_all = -100 + 2 * (27 - vga_idx);
 258                         else
 259                                 rx_pwr_all = -100;
 260                         break;
 261                 case 6:/*VGA_idx = 2~0*/
 262                         rx_pwr_all = -48 + 2 * (2 - vga_idx);
 263                         break;
 264                 case 5:/*VGA_idx = 7~5*/
 265                         rx_pwr_all = -42 + 2 * (7 - vga_idx);
 266                         break;
 267                 case 4:/*VGA_idx = 7~4*/
 268                         rx_pwr_all = -36 + 2 * (7 - vga_idx);
 269                         break;
 270                 case 3:/*VGA_idx = 7~0*/
 271                         rx_pwr_all = -24 + 2 * (7 - vga_idx);
 272                         break;
 273                 case 2:
 274                         if (cck_highpwr)/*VGA_idx = 5~0*/
 275                                 rx_pwr_all = -12 + 2 * (5 - vga_idx);
 276                         else
 277                                 rx_pwr_all = -6 + 2 * (5 - vga_idx);
 278                         break;
 279                 case 1:
 280                         rx_pwr_all = 8 - 2 * vga_idx;
 281                         break;
 282                 case 0:
 283                         rx_pwr_all = 14 - 2 * vga_idx;
 284                         break;
 285                 default:
 286                         break;
 287                 }
 288                 rx_pwr_all += 6;
 289                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 290                 /* CCK gain is smaller than OFDM/MCS gain,  */
 291                 /* so we add gain diff by experiences,
 292                  * the val is 6
 293                  */
 294                 pwdb_all += 6;
 295                 if (pwdb_all > 100)
 296                         pwdb_all = 100;
 297                 /* modify the offset to make the same gain index with OFDM. */
 298                 if (pwdb_all > 34 && pwdb_all <= 42)
 299                         pwdb_all -= 2;
 300                 else if (pwdb_all > 26 && pwdb_all <= 34)
 301                         pwdb_all -= 6;
 302                 else if (pwdb_all > 14 && pwdb_all <= 26)
 303                         pwdb_all -= 8;
 304                 else if (pwdb_all > 4 && pwdb_all <= 14)
 305                         pwdb_all -= 4;
 306                 if (!cck_highpwr) {
 307                         if (pwdb_all >= 80)
 308                                 pwdb_all = ((pwdb_all - 80) << 1) +
 309                                            ((pwdb_all - 80) >> 1) + 80;
 310                         else if ((pwdb_all <= 78) && (pwdb_all >= 20))
 311                                 pwdb_all += 3;
 312                         if (pwdb_all > 100)
 313                                 pwdb_all = 100;
 314                 }
 315
 316                 pstatus->rx_pwdb_all = pwdb_all;
 317                 pstatus->recvsignalpower = rx_pwr_all;
 318
 319                 /* (3) Get Signal Quality (EVM) */
 320                 if (packet_match_bssid) {
 321                         u8 sq;
 322
 323                         if (pstatus->rx_pwdb_all > 40) {
 324                                 sq = 100;
 325                         } else {
 326                                 sq = cck_buf->sq_rpt;
 327                                 if (sq > 64)
 328                                         sq = 0;
 329                                 else if (sq < 20)
 330                                         sq = 100;
 331                                 else
 332                                         sq = ((64 - sq) * 100) / 44;
 333                         }
 334
 335                         pstatus->signalquality = sq;
 336                         pstatus->rx_mimo_sig_qual[0] = sq;
 337                         pstatus->rx_mimo_sig_qual[1] = -1;
 338                 }
 339         } else {
 340                 rtlpriv->dm.rfpath_rxenable[0] = true;
 341                 rtlpriv->dm.rfpath_rxenable[1] = true;
 342
 343                 /* (1)Get RSSI for HT rate */
 344                 for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 345                         /* we will judge RF RX path now. */
 346                         if (rtlpriv->dm.rfpath_rxenable[i])
 347                                 rf_rx_num++;
 348
 349                         rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f)*2) - 110;
 350
 351                         /* Translate DBM to percentage. */
 352                         rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 353                         total_rssi += rssi;
 354
 355                         /* Get Rx snr value in DB */
 356                         rtlpriv->stats.rx_snr_db[i] =
 357                                         (long)(p_drvinfo->rxsnr[i] / 2);
 358
 359                         /* Record Signal Strength for next packet */
 360                         if (packet_match_bssid)
 361                                 pstatus->rx_mimo_signalstrength[i] = (u8) rssi;
 362                 }
 363
 364                 /* (2)PWDB, Avg cacluated by hardware (for rate adaptive) */
 365                 rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 366
 367                 pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 368                 pstatus->rx_pwdb_all = pwdb_all;
 369                 pstatus->rxpower = rx_pwr_all;
 370                 pstatus->recvsignalpower = rx_pwr_all;
 371
 372                 /* (3)EVM of HT rate */
 373                 if (pstatus->is_ht && pstatus->rate >= DESC92C_RATEMCS8 &&
 374                     pstatus->rate <= DESC92C_RATEMCS15)
 375                         max_spatial_stream = 2;
 376                 else
 377                         max_spatial_stream = 1;
 378
 379                 for (i = 0; i < max_spatial_stream; i++) {
 380                         evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 381
 382                         if (packet_match_bssid) {
 383                                 /* Fill value in RFD, Get the first
 384                                  * spatial stream only
 385                                  */
 386                                 if (i == 0)
 387                                         pstatus->signalquality =
 388                                                         (u8) (evm & 0xff);
 389                                 pstatus->rx_mimo_sig_qual[i] =
 390                                                         (u8) (evm & 0xff);
 391                         }
 392                 }
 393                 if (packet_match_bssid) {
 394                         for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
 395                                 rtl_priv(hw)->dm.cfo_tail[i] =
 396                                         (char)p_phystrpt->path_cfotail[i];
 397
 398                         rtl_priv(hw)->dm.packet_count++;
 399                         if (rtl_priv(hw)->dm.packet_count == 0xffffffff)
 400                                 rtl_priv(hw)->dm.packet_count = 0;
 401                 }
 402         }
 403
 404         /* UI BSS List signal strength(in percentage),
 405          * make it good looking, from 0~100.
 406          */
 407         if (is_cck)
 408                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 409                                                                 pwdb_all));
 410         else if (rf_rx_num != 0)
 411                 pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 412                                                 total_rssi /= rf_rx_num));
 413         /*HW antenna diversity*/
 414         rtldm->fat_table.antsel_rx_keep_0 = p_phystrpt->ant_sel;
 415         rtldm->fat_table.antsel_rx_keep_1 = p_phystrpt->ant_sel_b;
 416         rtldm->fat_table.antsel_rx_keep_2 = p_phystrpt->antsel_rx_keep_2;
 417 }
 418
 419 static void _rtl8723be_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 420                                         struct sk_buff *skb,
 421                                         struct rtl_stats *pstatus,
 422                                         u8 *pdesc,
 423                                         struct rx_fwinfo_8723be *p_drvinfo)
 424 {
 425         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 426         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 427         struct ieee80211_hdr *hdr;
 428         u8 *tmp_buf;
 429         u8 *praddr;
 430         u8 *psaddr;
 431         u16 fc, type;
 432         bool packet_matchbssid, packet_toself, packet_beacon;
 433
 434         tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 435
 436         hdr = (struct ieee80211_hdr *)tmp_buf;
 437         fc = le16_to_cpu(hdr->frame_control);
 438         type = WLAN_FC_GET_TYPE(hdr->frame_control);
 439         praddr = hdr->addr1;
 440         psaddr = ieee80211_get_SA(hdr);
 441         memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
 442
 443         packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 444              (!ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
 445                                 hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
 446                                 hdr->addr2 : hdr->addr3)) &&
 447                                 (!pstatus->hwerror) &&
 448                                 (!pstatus->crc) && (!pstatus->icv));
 449
 450         packet_toself = packet_matchbssid &&
 451             (!ether_addr_equal(praddr, rtlefuse->dev_addr));
 452
 453         /* YP: packet_beacon is not initialized,
 454          * this assignment is neccesary,
 455          * otherwise it counld be true in this case
 456          * the situation is much worse in Kernel 3.10
 457          */
 458         if (ieee80211_is_beacon(hdr->frame_control))
 459                 packet_beacon = true;
 460         else
 461                 packet_beacon = false;
 462
 463         if (packet_beacon && packet_matchbssid)
 464                 rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
 465
 466         _rtl8723be_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 467                                      packet_matchbssid,
 468                                      packet_toself,
 469                                      packet_beacon);
 470
 471         rtl_process_phyinfo(hw, tmp_buf, pstatus);
 472 }
 473
 474 static void _rtl8723be_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 475                                         u8 *virtualaddress)
 476 {
 477         u32 dwtmp = 0;
 478         memset(virtualaddress, 0, 8);
 479
 480         SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
 481         if (ptcb_desc->empkt_num == 1) {
 482                 dwtmp = ptcb_desc->empkt_len[0];
 483         } else {
 484                 dwtmp = ptcb_desc->empkt_len[0];
 485                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 486                 dwtmp += ptcb_desc->empkt_len[1];
 487         }
 488         SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
 489
 490         if (ptcb_desc->empkt_num <= 3) {
 491                 dwtmp = ptcb_desc->empkt_len[2];
 492         } else {
 493                 dwtmp = ptcb_desc->empkt_len[2];
 494                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 495                 dwtmp += ptcb_desc->empkt_len[3];
 496         }
 497         SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
 498         if (ptcb_desc->empkt_num <= 5) {
 499                 dwtmp = ptcb_desc->empkt_len[4];
 500         } else {
 501                 dwtmp = ptcb_desc->empkt_len[4];
 502                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 503                 dwtmp += ptcb_desc->empkt_len[5];
 504         }
 505         SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
 506         SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
 507         if (ptcb_desc->empkt_num <= 7) {
 508                 dwtmp = ptcb_desc->empkt_len[6];
 509         } else {
 510                 dwtmp = ptcb_desc->empkt_len[6];
 511                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 512                 dwtmp += ptcb_desc->empkt_len[7];
 513         }
 514         SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
 515         if (ptcb_desc->empkt_num <= 9) {
 516                 dwtmp = ptcb_desc->empkt_len[8];
 517         } else {
 518                 dwtmp = ptcb_desc->empkt_len[8];
 519                 dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 520                 dwtmp += ptcb_desc->empkt_len[9];
 521         }
 522         SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
 523 }
 524
 525 bool rtl8723be_rx_query_desc(struct ieee80211_hw *hw,
 526                              struct rtl_stats *status,
 527                              struct ieee80211_rx_status *rx_status,
 528                              u8 *pdesc, struct sk_buff *skb)
 529 {
 530         struct rtl_priv *rtlpriv = rtl_priv(hw);
 531         struct rx_fwinfo_8723be *p_drvinfo;
 532         struct ieee80211_hdr *hdr;
 533
 534         u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 535         status->packet_report_type = (u8)GET_RX_STATUS_DESC_RPT_SEL(pdesc);
 536         if (status->packet_report_type == TX_REPORT2)
 537                 status->length = (u16) GET_RX_RPT2_DESC_PKT_LEN(pdesc);
 538         else
 539                 status->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
 540         status->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 541                                   RX_DRV_INFO_SIZE_UNIT;
 542         status->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
 543         status->icv = (u16) GET_RX_DESC_ICV(pdesc);
 544         status->crc = (u16) GET_RX_DESC_CRC32(pdesc);
 545         status->hwerror = (status->crc | status->icv);
 546         status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 547         status->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
 548         status->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
 549         status->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 550         status->isfirst_ampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 551         if (status->packet_report_type == NORMAL_RX)
 552                 status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 553         status->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
 554         status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
 555
 556         status->is_cck = RTL8723E_RX_HAL_IS_CCK_RATE(status->rate);
 557
 558         status->macid = GET_RX_DESC_MACID(pdesc);
 559         if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
 560                 status->wake_match = BIT(2);
 561         else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
 562                 status->wake_match = BIT(1);
 563         else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
 564                 status->wake_match = BIT(0);
 565         else
 566                 status->wake_match = 0;
 567         if (status->wake_match)
 568                 RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
 569                          "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
 570                          status->wake_match);
 571         rx_status->freq = hw->conf.chandef.chan->center_freq;
 572         rx_status->band = hw->conf.chandef.chan->band;
 573
 574
 575         hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size +
 576                                        status->rx_bufshift);
 577
 578         if (status->crc)
 579                 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 580
 581         if (status->rx_is40Mhzpacket)
 582                 rx_status->flag |= RX_FLAG_40MHZ;
 583
 584         if (status->is_ht)
 585                 rx_status->flag |= RX_FLAG_HT;
 586
 587         rx_status->flag |= RX_FLAG_MACTIME_START;
 588
 589         /* hw will set status->decrypted true, if it finds the
 590          * frame is open data frame or mgmt frame.
 591          * So hw will not decryption robust managment frame
 592          * for IEEE80211w but still set status->decrypted
 593          * true, so here we should set it back to undecrypted
 594          * for IEEE80211w frame, and mac80211 sw will help
 595          * to decrypt it
 596          */
 597         if (status->decrypted) {
 598                 if (!hdr) {
 599                         WARN_ON_ONCE(true);
 600                         pr_err("decrypted is true but hdr NULL in skb %p\n",
 601                                rtl_get_hdr(skb));
 602                         return false;
 603                 }
 604
 605                 if ((_ieee80211_is_robust_mgmt_frame(hdr)) &&
 606                     (ieee80211_has_protected(hdr->frame_control)))
 607                         rx_status->flag &= ~RX_FLAG_DECRYPTED;
 608                 else
 609                         rx_status->flag |= RX_FLAG_DECRYPTED;
 610         }
 611
 612         /* rate_idx: index of data rate into band's
 613          * supported rates or MCS index if HT rates
 614          * are use (RX_FLAG_HT)
 615          * Notice: this is diff with windows define
 616          */
 617         rx_status->rate_idx = _rtl8723be_rate_mapping(hw, status->is_ht,
 618                                                       status->rate);
 619
 620         rx_status->mactime = status->timestamp_low;
 621         if (phystatus) {
 622                 p_drvinfo = (struct rx_fwinfo_8723be *)(skb->data +
 623                                                         status->rx_bufshift);
 624
 625                 _rtl8723be_translate_rx_signal_stuff(hw, skb, status,
 626                                                      pdesc, p_drvinfo);
 627         }
 628
 629         /*rx_status->qual = status->signal; */
 630         rx_status->signal = status->recvsignalpower + 10;
 631         if (status->packet_report_type == TX_REPORT2) {
 632                 status->macid_valid_entry[0] =
 633                          GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
 634                 status->macid_valid_entry[1] =
 635                          GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
 636         }
 637         return true;
 638 }
 639
 640 void rtl8723be_tx_fill_desc(struct ieee80211_hw *hw,
 641                             struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 642                             u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
 643                             struct ieee80211_sta *sta, struct sk_buff *skb,
 644                             u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 645 {
 646         struct rtl_priv *rtlpriv = rtl_priv(hw);
 647         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 648         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 649         struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 650         u8 *pdesc = pdesc_tx;
 651         u16 seq_number;
 652         __le16 fc = hdr->frame_control;
 653         unsigned int buf_len = 0;
 654         unsigned int skb_len = skb->len;
 655         u8 fw_qsel = _rtl8723be_map_hwqueue_to_fwqueue(skb, hw_queue);
 656         bool firstseg = ((hdr->seq_ctrl &
 657                           cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 658         bool lastseg = ((hdr->frame_control &
 659                          cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 660         dma_addr_t mapping;
 661         u8 bw_40 = 0;
 662         u8 short_gi = 0;
 663
 664         if (mac->opmode == NL80211_IFTYPE_STATION) {
 665                 bw_40 = mac->bw_40;
 666         } else if (mac->opmode == NL80211_IFTYPE_AP ||
 667                 mac->opmode == NL80211_IFTYPE_ADHOC) {
 668                 if (sta)
 669                         bw_40 = sta->ht_cap.cap &
 670                                 IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 671         }
 672         seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 673         rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 674         /* reserve 8 byte for AMPDU early mode */
 675         if (rtlhal->earlymode_enable) {
 676                 skb_push(skb, EM_HDR_LEN);
 677                 memset(skb->data, 0, EM_HDR_LEN);
 678         }
 679         buf_len = skb->len;
 680         mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 681                                  PCI_DMA_TODEVICE);
 682         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 683                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "DMA mapping error");
 684                 return;
 685         }
 686         CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8723be));
 687         if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 688                 firstseg = true;
 689                 lastseg = true;
 690         }
 691         if (firstseg) {
 692                 if (rtlhal->earlymode_enable) {
 693                         SET_TX_DESC_PKT_OFFSET(pdesc, 1);
 694                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
 695                                            EM_HDR_LEN);
 696                         if (ptcb_desc->empkt_num) {
 697                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 698                                          "Insert 8 byte.pTcb->EMPktNum:%d\n",
 699                                           ptcb_desc->empkt_num);
 700                                 _rtl8723be_insert_emcontent(ptcb_desc,
 701                                                             (u8 *)(skb->data));
 702                         }
 703                 } else {
 704                         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 705                 }
 706
 707                 /* ptcb_desc->use_driver_rate = true; */
 708                 SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
 709                 if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
 710                         short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
 711                 else
 712                         short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
 713
 714                 SET_TX_DESC_DATA_SHORTGI(pdesc, short_gi);
 715
 716                 if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 717                         SET_TX_DESC_AGG_ENABLE(pdesc, 1);
 718                         SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 719                 }
 720                 SET_TX_DESC_SEQ(pdesc, seq_number);
 721                 SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
 722                                                 !ptcb_desc->cts_enable) ?
 723                                                 1 : 0));
 724                 SET_TX_DESC_HW_RTS_ENABLE(pdesc, 0);
 725                 SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ?
 726                                               1 : 0));
 727
 728                 SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 729
 730                 SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
 731                 SET_TX_DESC_RTS_SHORT(pdesc,
 732                         ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
 733                          (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
 734                          (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 735
 736                 if (ptcb_desc->btx_enable_sw_calc_duration)
 737                         SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
 738
 739                 if (bw_40) {
 740                         if (ptcb_desc->packet_bw) {
 741                                 SET_TX_DESC_DATA_BW(pdesc, 1);
 742                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 743                         } else {
 744                                 SET_TX_DESC_DATA_BW(pdesc, 0);
 745                                 SET_TX_DESC_TX_SUB_CARRIER(pdesc, mac->cur_40_prime_sc);
 746                         }
 747                 } else {
 748                         SET_TX_DESC_DATA_BW(pdesc, 0);
 749                         SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 750                 }
 751
 752                 SET_TX_DESC_LINIP(pdesc, 0);
 753                 SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
 754                 if (sta) {
 755                         u8 ampdu_density = sta->ht_cap.ampdu_density;
 756                         SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 757                 }
 758                 if (info->control.hw_key) {
 759                         struct ieee80211_key_conf *keyconf =
 760                                                 info->control.hw_key;
 761                         switch (keyconf->cipher) {
 762                         case WLAN_CIPHER_SUITE_WEP40:
 763                         case WLAN_CIPHER_SUITE_WEP104:
 764                         case WLAN_CIPHER_SUITE_TKIP:
 765                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 766                                 break;
 767                         case WLAN_CIPHER_SUITE_CCMP:
 768                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 769                                 break;
 770                         default:
 771                                 SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 772                                 break;
 773                         }
 774                 }
 775
 776                 SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 777                 SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 778                 SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 779                 SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
 780                                        1 : 0);
 781                 SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 782
 783                 if (ieee80211_is_data_qos(fc)) {
 784                         if (mac->rdg_en) {
 785                                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 786                                          "Enable RDG function.\n");
 787                                 SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 788                                 SET_TX_DESC_HTC(pdesc, 1);
 789                         }
 790                 }
 791         }
 792
 793         SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 794         SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 795         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
 796         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 797         SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
 798         SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 799
 800         if (!ieee80211_is_data_qos(fc))  {
 801                 SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 802                 SET_TX_DESC_HWSEQ_SEL(pdesc, 0);
 803         }
 804         SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 805         if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 806             is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 807                 SET_TX_DESC_BMC(pdesc, 1);
 808         }
 809         RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 810 }
 811
 812 void rtl8723be_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
 813                                bool b_firstseg, bool b_lastseg,
 814                                struct sk_buff *skb)
 815 {
 816         struct rtl_priv *rtlpriv = rtl_priv(hw);
 817         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 818         u8 fw_queue = QSLT_BEACON;
 819
 820         dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 821                                             skb->data, skb->len,
 822                                             PCI_DMA_TODEVICE);
 823
 824         if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 825                 RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 826                          "DMA mapping error");
 827                 return;
 828         }
 829         CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 830
 831         SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 832
 833         SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
 834
 835         SET_TX_DESC_SEQ(pdesc, 0);
 836
 837         SET_TX_DESC_LINIP(pdesc, 0);
 838
 839         SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 840
 841         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 842         SET_TX_DESC_LAST_SEG(pdesc, 1);
 843
 844         SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
 845
 846         SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 847
 848         SET_TX_DESC_RATE_ID(pdesc, 0);
 849         SET_TX_DESC_MACID(pdesc, 0);
 850
 851         SET_TX_DESC_OWN(pdesc, 1);
 852
 853         SET_TX_DESC_PKT_SIZE(pdesc, (u16)(skb->len));
 854
 855         SET_TX_DESC_FIRST_SEG(pdesc, 1);
 856         SET_TX_DESC_LAST_SEG(pdesc, 1);
 857
 858         SET_TX_DESC_USE_RATE(pdesc, 1);
 859 }
 860
 861 void rtl8723be_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
 862                         u8 desc_name, u8 *val)
 863 {
 864         if (istx) {
 865                 switch (desc_name) {
 866                 case HW_DESC_OWN:
 867                         SET_TX_DESC_OWN(pdesc, 1);
 868                         break;
 869                 case HW_DESC_TX_NEXTDESC_ADDR:
 870                         SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *)val);
 871                         break;
 872                 default:
 873                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
 874                                   desc_name);
 875                         break;
 876                 }
 877         } else {
 878                 switch (desc_name) {
 879                 case HW_DESC_RXOWN:
 880                         SET_RX_DESC_OWN(pdesc, 1);
 881                         break;
 882                 case HW_DESC_RXBUFF_ADDR:
 883                         SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *)val);
 884                         break;
 885                 case HW_DESC_RXPKT_LEN:
 886                         SET_RX_DESC_PKT_LEN(pdesc, *(u32 *)val);
 887                         break;
 888                 case HW_DESC_RXERO:
 889                         SET_RX_DESC_EOR(pdesc, 1);
 890                         break;
 891                 default:
 892                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 893                                   desc_name);
 894                         break;
 895                 }
 896         }
 897 }
 898
 899 u32 rtl8723be_get_desc(u8 *pdesc, bool istx, u8 desc_name)
 900 {
 901         u32 ret = 0;
 902
 903         if (istx) {
 904                 switch (desc_name) {
 905                 case HW_DESC_OWN:
 906                         ret = GET_TX_DESC_OWN(pdesc);
 907                         break;
 908                 case HW_DESC_TXBUFF_ADDR:
 909                         ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
 910                         break;
 911                 default:
 912                         RT_ASSERT(false, "ERR txdesc :%d not process\n",
 913                                   desc_name);
 914                         break;
 915                 }
 916         } else {
 917                 switch (desc_name) {
 918                 case HW_DESC_OWN:
 919                         ret = GET_RX_DESC_OWN(pdesc);
 920                         break;
 921                 case HW_DESC_RXPKT_LEN:
 922                         ret = GET_RX_DESC_PKT_LEN(pdesc);
 923                         break;
 924                 default:
 925                         RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 926                                   desc_name);
 927                         break;
 928                 }
 929         }
 930         return ret;
 931 }
 932
 933 bool rtl8723be_is_tx_desc_closed(struct ieee80211_hw *hw,
 934                                  u8 hw_queue, u16 index)
 935 {
 936         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 937         struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 938         u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 939         u8 own = (u8) rtl8723be_get_desc(entry, true, HW_DESC_OWN);
 940
 941         /*beacon packet will only use the first
 942          *descriptor by default, and the own may not
 943          *be cleared by the hardware
 944          */
 945         if (own)
 946                 return false;
 947         else
 948                 return true;
 949 }
 950
 951 void rtl8723be_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 952 {
 953         struct rtl_priv *rtlpriv = rtl_priv(hw);
 954         if (hw_queue == BEACON_QUEUE) {
 955                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 956         } else {
 957                 rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 958                                BIT(0) << (hw_queue));
 959         }
 960 }