linux/drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/* Copyright(c) 2009-2014  Realtek Corporation.*/
   3
   4#include "../wifi.h"
   5#include "../pci.h"
   6#include "../base.h"
   7#include "../stats.h"
   8#include "reg.h"
   9#include "def.h"
  10#include "phy.h"
  11#include "trx.h"
  12#include "led.h"
  13#include "dm.h"
  14#include "fw.h"
  15
  16static u8 _rtl8723be_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
  17{
  18        __le16 fc = rtl_get_fc(skb);
  19
  20        if (unlikely(ieee80211_is_beacon(fc)))
  21                return QSLT_BEACON;
  22        if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
  23                return QSLT_MGNT;
  24
  25        return skb->priority;
  26}
  27
  28static void _rtl8723be_query_rxphystatus(struct ieee80211_hw *hw,
  29                                         struct rtl_stats *pstatus,
  30                                         __le32 *pdesc,
  31                                         struct rx_fwinfo_8723be *p_drvinfo,
  32                                         bool bpacket_match_bssid,
  33                                         bool bpacket_toself,
  34                                         bool packet_beacon)
  35{
  36        struct rtl_priv *rtlpriv = rtl_priv(hw);
  37        struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo;
  38        s8 rx_pwr_all = 0, rx_pwr[4];
  39        u8 rf_rx_num = 0, evm, pwdb_all, pwdb_all_bt = 0;
  40        u8 i, max_spatial_stream;
  41        u32 rssi, total_rssi = 0;
  42        bool is_cck = pstatus->is_cck;
  43        u8 lan_idx, vga_idx;
  44
  45        /* Record it for next packet processing */
  46        pstatus->packet_matchbssid = bpacket_match_bssid;
  47        pstatus->packet_toself = bpacket_toself;
  48        pstatus->packet_beacon = packet_beacon;
  49        pstatus->rx_mimo_signalquality[0] = -1;
  50        pstatus->rx_mimo_signalquality[1] = -1;
  51
  52        if (is_cck) {
  53                u8 cck_agc_rpt;
  54
  55                cck_agc_rpt = p_phystrpt->cck_agc_rpt_ofdm_cfosho_a;
  56
  57                /* (1)Hardware does not provide RSSI for CCK */
  58                /* (2)PWDB, Average PWDB cacluated by
  59                 * hardware (for rate adaptive)
  60                 */
  61                rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2, BIT(9));
  62
  63                lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
  64                vga_idx = (cck_agc_rpt & 0x1f);
  65
  66                switch (lan_idx) {
  67                /* 46 53 73 95 201301231630 */
  68                /* 46 53 77 99 201301241630 */
  69                case 6:
  70                        rx_pwr_all = -34 - (2 * vga_idx);
  71                        break;
  72                case 4:
  73                        rx_pwr_all = -14 - (2 * vga_idx);
  74                        break;
  75                case 1:
  76                        rx_pwr_all = 6 - (2 * vga_idx);
  77                        break;
  78                case 0:
  79                        rx_pwr_all = 16 - (2 * vga_idx);
  80                        break;
  81                default:
  82                        break;
  83                }
  84
  85                pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
  86                if (pwdb_all > 100)
  87                        pwdb_all = 100;
  88
  89                pstatus->rx_pwdb_all = pwdb_all;
  90                pstatus->bt_rx_rssi_percentage = pwdb_all;
  91                pstatus->recvsignalpower = rx_pwr_all;
  92
  93                /* (3) Get Signal Quality (EVM) */
  94                if (bpacket_match_bssid) {
  95                        u8 sq, sq_rpt;
  96                        if (pstatus->rx_pwdb_all > 40) {
  97                                sq = 100;
  98                        } else {
  99                                sq_rpt = p_phystrpt->cck_sig_qual_ofdm_pwdb_all;
 100                                if (sq_rpt > 64)
 101                                        sq = 0;
 102                                else if (sq_rpt < 20)
 103                                        sq = 100;
 104                                else
 105                                        sq = ((64 - sq_rpt) * 100) / 44;
 106                        }
 107                        pstatus->signalquality = sq;
 108                        pstatus->rx_mimo_signalquality[0] = sq;
 109                        pstatus->rx_mimo_signalquality[1] = -1;
 110                }
 111        } else {
 112                /* (1)Get RSSI for HT rate */
 113                for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 114                        /* we will judge RF RX path now. */
 115                        if (rtlpriv->dm.rfpath_rxenable[i])
 116                                rf_rx_num++;
 117
 118                        rx_pwr[i] = ((p_phystrpt->path_agc[i].gain & 0x3f) * 2)
 119                                    - 110;
 120
 121                        pstatus->rx_pwr[i] = rx_pwr[i];
 122                        /* Translate DBM to percentage. */
 123                        rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 124                        total_rssi += rssi;
 125
 126                        pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
 127                }
 128
 129                /* (2)PWDB, Average PWDB cacluated by
 130                 * hardware (for rate adaptive)
 131                 */
 132                rx_pwr_all = ((p_phystrpt->cck_sig_qual_ofdm_pwdb_all >> 1) &
 133                             0x7f) - 110;
 134
 135                pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 136                pwdb_all_bt = pwdb_all;
 137                pstatus->rx_pwdb_all = pwdb_all;
 138                pstatus->bt_rx_rssi_percentage = pwdb_all_bt;
 139                pstatus->rxpower = rx_pwr_all;
 140                pstatus->recvsignalpower = rx_pwr_all;
 141
 142                /* (3)EVM of HT rate */
 143                if (pstatus->rate >= DESC92C_RATEMCS8 &&
 144                    pstatus->rate <= DESC92C_RATEMCS15)
 145                        max_spatial_stream = 2;
 146                else
 147                        max_spatial_stream = 1;
 148
 149                for (i = 0; i < max_spatial_stream; i++) {
 150                        evm = rtl_evm_db_to_percentage(
 151                                                p_phystrpt->stream_rxevm[i]);
 152
 153                        if (bpacket_match_bssid) {
 154                                /* Fill value in RFD, Get the first
 155                                 * spatial stream only
 156                                 */
 157                                if (i == 0)
 158                                        pstatus->signalquality =
 159                                                        (u8)(evm & 0xff);
 160                                pstatus->rx_mimo_signalquality[i] =
 161                                                        (u8)(evm & 0xff);
 162                        }
 163                }
 164
 165                if (bpacket_match_bssid) {
 166                        for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
 167                                rtl_priv(hw)->dm.cfo_tail[i] =
 168                                        (int)p_phystrpt->path_cfotail[i];
 169
 170                        if (rtl_priv(hw)->dm.packet_count == 0xffffffff)
 171                                rtl_priv(hw)->dm.packet_count = 0;
 172                        else
 173                                rtl_priv(hw)->dm.packet_count++;
 174                }
 175        }
 176
 177        /* UI BSS List signal strength(in percentage),
 178         * make it good looking, from 0~100.
 179         */
 180        if (is_cck)
 181                pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 182                                                                pwdb_all));
 183        else if (rf_rx_num != 0)
 184                pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 185                                                total_rssi /= rf_rx_num));
 186}
 187
 188static void _rtl8723be_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 189                                        struct sk_buff *skb,
 190                                        struct rtl_stats *pstatus,
 191                                        __le32 *pdesc,
 192                                        struct rx_fwinfo_8723be *p_drvinfo)
 193{
 194        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 195        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 196        struct ieee80211_hdr *hdr;
 197        u8 *tmp_buf;
 198        u8 *praddr;
 199        u8 *psaddr;
 200        u16 fc, type;
 201        bool packet_matchbssid, packet_toself, packet_beacon;
 202
 203        tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 204
 205        hdr = (struct ieee80211_hdr *)tmp_buf;
 206        fc = le16_to_cpu(hdr->frame_control);
 207        type = WLAN_FC_GET_TYPE(hdr->frame_control);
 208        praddr = hdr->addr1;
 209        psaddr = ieee80211_get_SA(hdr);
 210        memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
 211
 212        packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 213             (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
 214                                  hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
 215                                  hdr->addr2 : hdr->addr3)) &&
 216                                  (!pstatus->hwerror) &&
 217                                  (!pstatus->crc) && (!pstatus->icv));
 218
 219        packet_toself = packet_matchbssid &&
 220            (ether_addr_equal(praddr, rtlefuse->dev_addr));
 221
 222        /* YP: packet_beacon is not initialized,
 223         * this assignment is neccesary,
 224         * otherwise it counld be true in this case
 225         * the situation is much worse in Kernel 3.10
 226         */
 227        if (ieee80211_is_beacon(hdr->frame_control))
 228                packet_beacon = true;
 229        else
 230                packet_beacon = false;
 231
 232        if (packet_beacon && packet_matchbssid)
 233                rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
 234
 235        _rtl8723be_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 236                                     packet_matchbssid,
 237                                     packet_toself,
 238                                     packet_beacon);
 239
 240        rtl_process_phyinfo(hw, tmp_buf, pstatus);
 241}
 242
 243static void _rtl8723be_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 244                                        __le32 *virtualaddress)
 245{
 246        u32 dwtmp = 0;
 247        memset(virtualaddress, 0, 8);
 248
 249        set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num);
 250        if (ptcb_desc->empkt_num == 1) {
 251                dwtmp = ptcb_desc->empkt_len[0];
 252        } else {
 253                dwtmp = ptcb_desc->empkt_len[0];
 254                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 255                dwtmp += ptcb_desc->empkt_len[1];
 256        }
 257        set_earlymode_len0(virtualaddress, dwtmp);
 258
 259        if (ptcb_desc->empkt_num <= 3) {
 260                dwtmp = ptcb_desc->empkt_len[2];
 261        } else {
 262                dwtmp = ptcb_desc->empkt_len[2];
 263                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 264                dwtmp += ptcb_desc->empkt_len[3];
 265        }
 266        set_earlymode_len1(virtualaddress, dwtmp);
 267        if (ptcb_desc->empkt_num <= 5) {
 268                dwtmp = ptcb_desc->empkt_len[4];
 269        } else {
 270                dwtmp = ptcb_desc->empkt_len[4];
 271                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 272                dwtmp += ptcb_desc->empkt_len[5];
 273        }
 274        set_earlymode_len2_1(virtualaddress, dwtmp & 0xF);
 275        set_earlymode_len2_2(virtualaddress, dwtmp >> 4);
 276        if (ptcb_desc->empkt_num <= 7) {
 277                dwtmp = ptcb_desc->empkt_len[6];
 278        } else {
 279                dwtmp = ptcb_desc->empkt_len[6];
 280                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 281                dwtmp += ptcb_desc->empkt_len[7];
 282        }
 283        set_earlymode_len3(virtualaddress, dwtmp);
 284        if (ptcb_desc->empkt_num <= 9) {
 285                dwtmp = ptcb_desc->empkt_len[8];
 286        } else {
 287                dwtmp = ptcb_desc->empkt_len[8];
 288                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 289                dwtmp += ptcb_desc->empkt_len[9];
 290        }
 291        set_earlymode_len4(virtualaddress, dwtmp);
 292}
 293
 294bool rtl8723be_rx_query_desc(struct ieee80211_hw *hw,
 295                             struct rtl_stats *status,
 296                             struct ieee80211_rx_status *rx_status,
 297                             u8 *pdesc8, struct sk_buff *skb)
 298{
 299        struct rtl_priv *rtlpriv = rtl_priv(hw);
 300        struct rx_fwinfo_8723be *p_drvinfo;
 301        struct ieee80211_hdr *hdr;
 302        u8 wake_match;
 303        __le32 *pdesc = (__le32 *)pdesc8;
 304        u32 phystatus = get_rx_desc_physt(pdesc);
 305
 306        status->length = (u16)get_rx_desc_pkt_len(pdesc);
 307        status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) *
 308                                  RX_DRV_INFO_SIZE_UNIT;
 309        status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03);
 310        status->icv = (u16)get_rx_desc_icv(pdesc);
 311        status->crc = (u16)get_rx_desc_crc32(pdesc);
 312        status->hwerror = (status->crc | status->icv);
 313        status->decrypted = !get_rx_desc_swdec(pdesc);
 314        status->rate = (u8)get_rx_desc_rxmcs(pdesc);
 315        status->shortpreamble = (u16)get_rx_desc_splcp(pdesc);
 316        status->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
 317        status->isfirst_ampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
 318        status->timestamp_low = get_rx_desc_tsfl(pdesc);
 319        status->rx_is40mhzpacket = (bool)get_rx_desc_bw(pdesc);
 320        status->bandwidth = (u8)get_rx_desc_bw(pdesc);
 321        status->macid = get_rx_desc_macid(pdesc);
 322        status->is_ht = (bool)get_rx_desc_rxht(pdesc);
 323
 324        status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
 325
 326        if (get_rx_status_desc_rpt_sel(pdesc))
 327                status->packet_report_type = C2H_PACKET;
 328        else
 329                status->packet_report_type = NORMAL_RX;
 330
 331
 332        if (get_rx_status_desc_pattern_match(pdesc))
 333                wake_match = BIT(2);
 334        else if (get_rx_status_desc_magic_match(pdesc))
 335                wake_match = BIT(1);
 336        else if (get_rx_status_desc_unicast_match(pdesc))
 337                wake_match = BIT(0);
 338        else
 339                wake_match = 0;
 340        if (wake_match)
 341                rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD,
 342                        "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
 343                        wake_match);
 344        rx_status->freq = hw->conf.chandef.chan->center_freq;
 345        rx_status->band = hw->conf.chandef.chan->band;
 346
 347        hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size +
 348                                       status->rx_bufshift);
 349
 350        if (status->crc)
 351                rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 352
 353        if (status->rx_is40mhzpacket)
 354                rx_status->bw = RATE_INFO_BW_40;
 355
 356        if (status->is_ht)
 357                rx_status->encoding = RX_ENC_HT;
 358
 359        rx_status->flag |= RX_FLAG_MACTIME_START;
 360
 361        /* hw will set status->decrypted true, if it finds the
 362         * frame is open data frame or mgmt frame.
 363         * So hw will not decryption robust managment frame
 364         * for IEEE80211w but still set status->decrypted
 365         * true, so here we should set it back to undecrypted
 366         * for IEEE80211w frame, and mac80211 sw will help
 367         * to decrypt it
 368         */
 369        if (status->decrypted) {
 370                if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
 371                    (ieee80211_has_protected(hdr->frame_control)))
 372                        rx_status->flag |= RX_FLAG_DECRYPTED;
 373                else
 374                        rx_status->flag &= ~RX_FLAG_DECRYPTED;
 375        }
 376
 377        /* rate_idx: index of data rate into band's
 378         * supported rates or MCS index if HT rates
 379         * are use (RX_FLAG_HT)
 380         */
 381        rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
 382                                                   false, status->rate);
 383
 384        rx_status->mactime = status->timestamp_low;
 385        if (phystatus) {
 386                p_drvinfo = (struct rx_fwinfo_8723be *)(skb->data +
 387                                                        status->rx_bufshift);
 388
 389                _rtl8723be_translate_rx_signal_stuff(hw, skb, status,
 390                                                     pdesc, p_drvinfo);
 391        }
 392        rx_status->signal = status->recvsignalpower + 10;
 393        if (status->packet_report_type == TX_REPORT2) {
 394                status->macid_valid_entry[0] =
 395                  get_rx_rpt2_desc_macid_valid_1(pdesc);
 396                status->macid_valid_entry[1] =
 397                  get_rx_rpt2_desc_macid_valid_2(pdesc);
 398        }
 399        return true;
 400}
 401
 402void rtl8723be_tx_fill_desc(struct ieee80211_hw *hw,
 403                            struct ieee80211_hdr *hdr, u8 *pdesc8,
 404                            u8 *txbd, struct ieee80211_tx_info *info,
 405                            struct ieee80211_sta *sta, struct sk_buff *skb,
 406                            u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 407{
 408        struct rtl_priv *rtlpriv = rtl_priv(hw);
 409        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 410        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 411        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 412        struct rtlwifi_tx_info *tx_info = rtl_tx_skb_cb_info(skb);
 413        __le32 *pdesc = (__le32 *)pdesc8;
 414        u16 seq_number;
 415        __le16 fc = hdr->frame_control;
 416        unsigned int buf_len = 0;
 417        unsigned int skb_len = skb->len;
 418        u8 fw_qsel = _rtl8723be_map_hwqueue_to_fwqueue(skb, hw_queue);
 419        bool firstseg = ((hdr->seq_ctrl &
 420                            cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 421        bool lastseg = ((hdr->frame_control &
 422                           cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 423        dma_addr_t mapping;
 424        u8 bw_40 = 0;
 425        u8 short_gi = 0;
 426
 427        if (mac->opmode == NL80211_IFTYPE_STATION) {
 428                bw_40 = mac->bw_40;
 429        } else if (mac->opmode == NL80211_IFTYPE_AP ||
 430                mac->opmode == NL80211_IFTYPE_ADHOC) {
 431                if (sta)
 432                        bw_40 = sta->ht_cap.cap &
 433                                IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 434        }
 435        seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 436        rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 437        /* reserve 8 byte for AMPDU early mode */
 438        if (rtlhal->earlymode_enable) {
 439                skb_push(skb, EM_HDR_LEN);
 440                memset(skb->data, 0, EM_HDR_LEN);
 441        }
 442        buf_len = skb->len;
 443        mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, skb->len,
 444                                 DMA_TO_DEVICE);
 445        if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
 446                rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "DMA mapping error\n");
 447                return;
 448        }
 449        clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_8723be));
 450        if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 451                firstseg = true;
 452                lastseg = true;
 453        }
 454        if (firstseg) {
 455                if (rtlhal->earlymode_enable) {
 456                        set_tx_desc_pkt_offset(pdesc, 1);
 457                        set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN +
 458                                           EM_HDR_LEN);
 459                        if (ptcb_desc->empkt_num) {
 460                                rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
 461                                        "Insert 8 byte.pTcb->EMPktNum:%d\n",
 462                                        ptcb_desc->empkt_num);
 463                                _rtl8723be_insert_emcontent(ptcb_desc,
 464                                                            (__le32 *)(skb->data));
 465                        }
 466                } else {
 467                        set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
 468                }
 469
 470
 471                /* ptcb_desc->use_driver_rate = true; */
 472                set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);
 473                if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
 474                        short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
 475                else
 476                        short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
 477
 478                set_tx_desc_data_shortgi(pdesc, short_gi);
 479
 480                if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 481                        set_tx_desc_agg_enable(pdesc, 1);
 482                        set_tx_desc_max_agg_num(pdesc, 0x14);
 483                }
 484                set_tx_desc_seq(pdesc, seq_number);
 485                set_tx_desc_rts_enable(pdesc, ((ptcb_desc->rts_enable &&
 486                                                !ptcb_desc->cts_enable) ?
 487                                                1 : 0));
 488                set_tx_desc_hw_rts_enable(pdesc, 0);
 489                set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ?
 490                                              1 : 0));
 491
 492                set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);
 493
 494                set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc);
 495                set_tx_desc_rts_short(pdesc,
 496                        ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
 497                         (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
 498                         (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 499
 500                if (ptcb_desc->tx_enable_sw_calc_duration)
 501                        set_tx_desc_nav_use_hdr(pdesc, 1);
 502
 503                if (bw_40) {
 504                        if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 505                                set_tx_desc_data_bw(pdesc, 1);
 506                                set_tx_desc_tx_sub_carrier(pdesc, 3);
 507                        } else {
 508                                set_tx_desc_data_bw(pdesc, 0);
 509                                set_tx_desc_tx_sub_carrier(pdesc, mac->cur_40_prime_sc);
 510                        }
 511                } else {
 512                        set_tx_desc_data_bw(pdesc, 0);
 513                        set_tx_desc_tx_sub_carrier(pdesc, 0);
 514                }
 515
 516                set_tx_desc_linip(pdesc, 0);
 517                set_tx_desc_pkt_size(pdesc, (u16)skb_len);
 518                if (sta) {
 519                        u8 ampdu_density = sta->ht_cap.ampdu_density;
 520                        set_tx_desc_ampdu_density(pdesc, ampdu_density);
 521                }
 522                if (info->control.hw_key) {
 523                        struct ieee80211_key_conf *keyconf =
 524                                                info->control.hw_key;
 525                        switch (keyconf->cipher) {
 526                        case WLAN_CIPHER_SUITE_WEP40:
 527                        case WLAN_CIPHER_SUITE_WEP104:
 528                        case WLAN_CIPHER_SUITE_TKIP:
 529                                set_tx_desc_sec_type(pdesc, 0x1);
 530                                break;
 531                        case WLAN_CIPHER_SUITE_CCMP:
 532                                set_tx_desc_sec_type(pdesc, 0x3);
 533                                break;
 534                        default:
 535                                set_tx_desc_sec_type(pdesc, 0x0);
 536                                break;
 537                        }
 538                }
 539
 540                set_tx_desc_queue_sel(pdesc, fw_qsel);
 541                set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);
 542                set_tx_desc_rts_rate_fb_limit(pdesc, 0xF);
 543                set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ?
 544                                              1 : 0);
 545                set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 546
 547                /* Set TxRate and RTSRate in TxDesc  */
 548                /* This prevent Tx initial rate of new-coming packets */
 549                /* from being overwritten by retried  packet rate.*/
 550                if (ieee80211_is_data_qos(fc)) {
 551                        if (mac->rdg_en) {
 552                                rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
 553                                        "Enable RDG function.\n");
 554                                set_tx_desc_rdg_enable(pdesc, 1);
 555                                set_tx_desc_htc(pdesc, 1);
 556                        }
 557                }
 558                /* tx report */
 559                rtl_set_tx_report(ptcb_desc, pdesc8, hw, tx_info);
 560        }
 561
 562        set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));
 563        set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));
 564        set_tx_desc_tx_buffer_size(pdesc, (u16)buf_len);
 565        set_tx_desc_tx_buffer_address(pdesc, mapping);
 566        /* if (rtlpriv->dm.useramask) { */
 567        if (1) {
 568                set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index);
 569                set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
 570        } else {
 571                set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index);
 572                set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
 573        }
 574        if (!ieee80211_is_data_qos(fc))  {
 575                set_tx_desc_hwseq_en(pdesc, 1);
 576                set_tx_desc_hwseq_sel(pdesc, 0);
 577        }
 578        set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));
 579        if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 580            is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 581                set_tx_desc_bmc(pdesc, 1);
 582        }
 583
 584        rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 585}
 586
 587void rtl8723be_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8,
 588                               bool firstseg, bool lastseg,
 589                               struct sk_buff *skb)
 590{
 591        struct rtl_priv *rtlpriv = rtl_priv(hw);
 592        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 593        u8 fw_queue = QSLT_BEACON;
 594        __le32 *pdesc = (__le32 *)pdesc8;
 595
 596        dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
 597                                            skb->len, DMA_TO_DEVICE);
 598
 599        if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
 600                rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
 601                        "DMA mapping error\n");
 602                return;
 603        }
 604        clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);
 605
 606        set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
 607
 608        set_tx_desc_tx_rate(pdesc, DESC92C_RATE1M);
 609
 610        set_tx_desc_seq(pdesc, 0);
 611
 612        set_tx_desc_linip(pdesc, 0);
 613
 614        set_tx_desc_queue_sel(pdesc, fw_queue);
 615
 616        set_tx_desc_first_seg(pdesc, 1);
 617        set_tx_desc_last_seg(pdesc, 1);
 618
 619        set_tx_desc_tx_buffer_size(pdesc, (u16)(skb->len));
 620
 621        set_tx_desc_tx_buffer_address(pdesc, mapping);
 622
 623        set_tx_desc_rate_id(pdesc, 0);
 624        set_tx_desc_macid(pdesc, 0);
 625
 626        set_tx_desc_own(pdesc, 1);
 627
 628        set_tx_desc_pkt_size(pdesc, (u16)(skb->len));
 629
 630        set_tx_desc_first_seg(pdesc, 1);
 631        set_tx_desc_last_seg(pdesc, 1);
 632
 633        set_tx_desc_use_rate(pdesc, 1);
 634
 635        RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 636                      "H2C Tx Cmd Content\n", pdesc, TX_DESC_SIZE);
 637}
 638
 639void rtl8723be_set_desc(struct ieee80211_hw *hw, u8 *pdesc8,
 640                        bool istx, u8 desc_name, u8 *val)
 641{
 642        __le32 *pdesc = (__le32 *)pdesc8;
 643
 644        if (istx) {
 645                switch (desc_name) {
 646                case HW_DESC_OWN:
 647                        set_tx_desc_own(pdesc, 1);
 648                        break;
 649                case HW_DESC_TX_NEXTDESC_ADDR:
 650                        set_tx_desc_next_desc_address(pdesc, *(u32 *)val);
 651                        break;
 652                default:
 653                        WARN_ONCE(true, "rtl8723be: ERR txdesc :%d not processed\n",
 654                                  desc_name);
 655                        break;
 656                }
 657        } else {
 658                switch (desc_name) {
 659                case HW_DESC_RXOWN:
 660                        set_rx_desc_own(pdesc, 1);
 661                        break;
 662                case HW_DESC_RXBUFF_ADDR:
 663                        set_rx_desc_buff_addr(pdesc, *(u32 *)val);
 664                        break;
 665                case HW_DESC_RXPKT_LEN:
 666                        set_rx_desc_pkt_len(pdesc, *(u32 *)val);
 667                        break;
 668                case HW_DESC_RXERO:
 669                        set_rx_desc_eor(pdesc, 1);
 670                        break;
 671                default:
 672                        WARN_ONCE(true, "rtl8723be: ERR rxdesc :%d not process\n",
 673                                  desc_name);
 674                        break;
 675                }
 676        }
 677}
 678
 679u64 rtl8723be_get_desc(struct ieee80211_hw *hw,
 680                       u8 *pdesc8, bool istx, u8 desc_name)
 681{
 682        u32 ret = 0;
 683        __le32 *pdesc = (__le32 *)pdesc8;
 684
 685        if (istx) {
 686                switch (desc_name) {
 687                case HW_DESC_OWN:
 688                        ret = get_tx_desc_own(pdesc);
 689                        break;
 690                case HW_DESC_TXBUFF_ADDR:
 691                        ret = get_tx_desc_tx_buffer_address(pdesc);
 692                        break;
 693                default:
 694                        WARN_ONCE(true, "rtl8723be: ERR txdesc :%d not process\n",
 695                                  desc_name);
 696                        break;
 697                }
 698        } else {
 699                switch (desc_name) {
 700                case HW_DESC_OWN:
 701                        ret = get_rx_desc_own(pdesc);
 702                        break;
 703                case HW_DESC_RXPKT_LEN:
 704                        ret = get_rx_desc_pkt_len(pdesc);
 705                        break;
 706                case HW_DESC_RXBUFF_ADDR:
 707                        ret = get_rx_desc_buff_addr(pdesc);
 708                        break;
 709                default:
 710                        WARN_ONCE(true, "rtl8723be: ERR rxdesc :%d not processed\n",
 711                                  desc_name);
 712                        break;
 713                }
 714        }
 715        return ret;
 716}
 717
 718bool rtl8723be_is_tx_desc_closed(struct ieee80211_hw *hw,
 719                                 u8 hw_queue, u16 index)
 720{
 721        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 722        struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 723        u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 724        u8 own = (u8)rtl8723be_get_desc(hw, entry, true, HW_DESC_OWN);
 725
 726        /*beacon packet will only use the first
 727         *descriptor defautly,and the own may not
 728         *be cleared by the hardware
 729         */
 730        if (own)
 731                return false;
 732        return true;
 733}
 734
 735void rtl8723be_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 736{
 737        struct rtl_priv *rtlpriv = rtl_priv(hw);
 738        if (hw_queue == BEACON_QUEUE) {
 739                rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 740        } else {
 741                rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 742                               BIT(0) << (hw_queue));
 743        }
 744}
 745