linux/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/trx.c
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   1/******************************************************************************
   2 *
   3 * Copyright(c) 2009-2012  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
  36static u8 _rtl8723e_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
  37{
  38        __le16 fc = rtl_get_fc(skb);
  39
  40        if (unlikely(ieee80211_is_beacon(fc)))
  41                return QSLT_BEACON;
  42        if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
  43                return QSLT_MGNT;
  44
  45        return skb->priority;
  46}
  47
  48static void _rtl8723e_query_rxphystatus(struct ieee80211_hw *hw,
  49                                        struct rtl_stats *pstatus, u8 *pdesc,
  50                                        struct rx_fwinfo_8723e *p_drvinfo,
  51                                        bool bpacket_match_bssid,
  52                                        bool bpacket_toself, bool packet_beacon)
  53{
  54        struct rtl_priv *rtlpriv = rtl_priv(hw);
  55        struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
  56        struct phy_sts_cck_8723e_t *cck_buf;
  57        s8 rx_pwr_all = 0, rx_pwr[4];
  58        u8 rf_rx_num = 0, evm, pwdb_all;
  59        u8 i, max_spatial_stream;
  60        u32 rssi, total_rssi = 0;
  61        bool is_cck = pstatus->is_cck;
  62
  63        /* Record it for next packet processing */
  64        pstatus->packet_matchbssid = bpacket_match_bssid;
  65        pstatus->packet_toself = bpacket_toself;
  66        pstatus->packet_beacon = packet_beacon;
  67        pstatus->rx_mimo_signalquality[0] = -1;
  68        pstatus->rx_mimo_signalquality[1] = -1;
  69
  70        if (is_cck) {
  71                u8 report, cck_highpwr;
  72
  73                /* CCK Driver info Structure is not the same as OFDM packet. */
  74                cck_buf = (struct phy_sts_cck_8723e_t *)p_drvinfo;
  75
  76                /* (1)Hardware does not provide RSSI for CCK */
  77                /* (2)PWDB, Average PWDB cacluated by
  78                 * hardware (for rate adaptive)
  79                 */
  80                if (ppsc->rfpwr_state == ERFON)
  81                        cck_highpwr = (u8)rtl_get_bbreg(hw,
  82                                        RFPGA0_XA_HSSIPARAMETER2,
  83                                        BIT(9));
  84                else
  85                        cck_highpwr = false;
  86
  87                if (!cck_highpwr) {
  88                        u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
  89                        report = cck_buf->cck_agc_rpt & 0xc0;
  90                        report = report >> 6;
  91                        switch (report) {
  92                        case 0x3:
  93                                rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
  94                                break;
  95                        case 0x2:
  96                                rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
  97                                break;
  98                        case 0x1:
  99                                rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
 100                                break;
 101                        case 0x0:
 102                                rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
 103                                break;
 104                        }
 105                } else {
 106                        u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 107                        report = p_drvinfo->cfosho[0] & 0x60;
 108                        report = report >> 5;
 109                        switch (report) {
 110                        case 0x3:
 111                                rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
 112                                break;
 113                        case 0x2:
 114                                rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
 115                                break;
 116                        case 0x1:
 117                                rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
 118                                break;
 119                        case 0x0:
 120                                rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
 121                                break;
 122                        }
 123                }
 124
 125                pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 126                /* CCK gain is smaller than OFDM/MCS gain,  */
 127                /* so we add gain diff by experiences,
 128                 * the val is 6
 129                 */
 130                pwdb_all += 6;
 131                if (pwdb_all > 100)
 132                        pwdb_all = 100;
 133                /* modify the offset to make the same
 134                 * gain index with OFDM.
 135                 */
 136                if (pwdb_all > 34 && pwdb_all <= 42)
 137                        pwdb_all -= 2;
 138                else if (pwdb_all > 26 && pwdb_all <= 34)
 139                        pwdb_all -= 6;
 140                else if (pwdb_all > 14 && pwdb_all <= 26)
 141                        pwdb_all -= 8;
 142                else if (pwdb_all > 4 && pwdb_all <= 14)
 143                        pwdb_all -= 4;
 144
 145                pstatus->rx_pwdb_all = pwdb_all;
 146                pstatus->recvsignalpower = rx_pwr_all;
 147
 148                /* (3) Get Signal Quality (EVM) */
 149                if (bpacket_match_bssid) {
 150                        u8 sq;
 151
 152                        if (pstatus->rx_pwdb_all > 40)
 153                                sq = 100;
 154                        else {
 155                                sq = cck_buf->sq_rpt;
 156                                if (sq > 64)
 157                                        sq = 0;
 158                                else if (sq < 20)
 159                                        sq = 100;
 160                                else
 161                                        sq = ((64 - sq) * 100) / 44;
 162                        }
 163
 164                        pstatus->signalquality = sq;
 165                        pstatus->rx_mimo_signalquality[0] = sq;
 166                        pstatus->rx_mimo_signalquality[1] = -1;
 167                }
 168        } else {
 169                rtlpriv->dm.rfpath_rxenable[0] =
 170                    rtlpriv->dm.rfpath_rxenable[1] = true;
 171
 172                /* (1)Get RSSI for HT rate */
 173                for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 174
 175                        /* we will judge RF RX path now. */
 176                        if (rtlpriv->dm.rfpath_rxenable[i])
 177                                rf_rx_num++;
 178
 179                        rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
 180                                      0x3f) * 2) - 110;
 181
 182                        /* Translate DBM to percentage. */
 183                        rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 184                        total_rssi += rssi;
 185
 186                        /* Get Rx snr value in DB */
 187                        rtlpriv->stats.rx_snr_db[i] =
 188                                (long)(p_drvinfo->rxsnr[i] / 2);
 189
 190                        /* Record Signal Strength for next packet */
 191                        if (bpacket_match_bssid)
 192                                pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
 193                }
 194
 195                /* (2)PWDB, Average PWDB cacluated by
 196                 * hardware (for rate adaptive)
 197                 */
 198                rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 199
 200                pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 201                pstatus->rx_pwdb_all = pwdb_all;
 202                pstatus->rxpower = rx_pwr_all;
 203                pstatus->recvsignalpower = rx_pwr_all;
 204
 205                /* (3)EVM of HT rate */
 206                if (pstatus->is_ht && pstatus->rate >= DESC92C_RATEMCS8 &&
 207                    pstatus->rate <= DESC92C_RATEMCS15)
 208                        max_spatial_stream = 2;
 209                else
 210                        max_spatial_stream = 1;
 211
 212                for (i = 0; i < max_spatial_stream; i++) {
 213                        evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 214
 215                        if (bpacket_match_bssid) {
 216                                /* Fill value in RFD, Get the first
 217                                 * spatial stream only
 218                                 */
 219                                if (i == 0)
 220                                        pstatus->signalquality =
 221                                                (u8)(evm & 0xff);
 222                                pstatus->rx_mimo_signalquality[i] =
 223                                        (u8)(evm & 0xff);
 224                        }
 225                }
 226        }
 227
 228        /* UI BSS List signal strength(in percentage),
 229         * make it good looking, from 0~100.
 230         */
 231        if (is_cck)
 232                pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 233                        pwdb_all));
 234        else if (rf_rx_num != 0)
 235                pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 236                        total_rssi /= rf_rx_num));
 237}
 238
 239static void translate_rx_signal_stuff(struct ieee80211_hw *hw,
 240                                      struct sk_buff *skb,
 241                                      struct rtl_stats *pstatus, u8 *pdesc,
 242                                      struct rx_fwinfo_8723e *p_drvinfo)
 243{
 244        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 245        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 246        struct ieee80211_hdr *hdr;
 247        u8 *tmp_buf;
 248        u8 *praddr;
 249        /*u8 *psaddr;*/
 250        u16 fc, type;
 251        bool packet_matchbssid, packet_toself, packet_beacon;
 252
 253        tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 254
 255        hdr = (struct ieee80211_hdr *)tmp_buf;
 256        fc = le16_to_cpu(hdr->frame_control);
 257        type = WLAN_FC_GET_TYPE(hdr->frame_control);
 258        praddr = hdr->addr1;
 259
 260        packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 261                (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
 262                 hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
 263                 hdr->addr2 : hdr->addr3)) &&
 264                 (!pstatus->hwerror) &&
 265                 (!pstatus->crc) && (!pstatus->icv));
 266
 267        packet_toself = packet_matchbssid &&
 268            (ether_addr_equal(praddr, rtlefuse->dev_addr));
 269
 270        if (ieee80211_is_beacon(hdr->frame_control))
 271                packet_beacon = true;
 272        else
 273                packet_beacon = false;
 274
 275        _rtl8723e_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 276                                    packet_matchbssid, packet_toself,
 277                                    packet_beacon);
 278
 279        rtl_process_phyinfo(hw, tmp_buf, pstatus);
 280}
 281
 282bool rtl8723e_rx_query_desc(struct ieee80211_hw *hw,
 283                            struct rtl_stats *status,
 284                            struct ieee80211_rx_status *rx_status,
 285                            u8 *pdesc, struct sk_buff *skb)
 286{
 287        struct rx_fwinfo_8723e *p_drvinfo;
 288        struct ieee80211_hdr *hdr;
 289        u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 290
 291        status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
 292        status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 293            RX_DRV_INFO_SIZE_UNIT;
 294        status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
 295        status->icv = (u16)GET_RX_DESC_ICV(pdesc);
 296        status->crc = (u16)GET_RX_DESC_CRC32(pdesc);
 297        status->hwerror = (status->crc | status->icv);
 298        status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 299        status->rate = (u8)GET_RX_DESC_RXMCS(pdesc);
 300        status->shortpreamble = (u16)GET_RX_DESC_SPLCP(pdesc);
 301        status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
 302        status->isfirst_ampdu = (bool)((GET_RX_DESC_PAGGR(pdesc) == 1) &&
 303                                       (GET_RX_DESC_FAGGR(pdesc) == 1));
 304        status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 305        status->rx_is40Mhzpacket = (bool)GET_RX_DESC_BW(pdesc);
 306        status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
 307
 308        status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
 309
 310        rx_status->freq = hw->conf.chandef.chan->center_freq;
 311        rx_status->band = hw->conf.chandef.chan->band;
 312
 313        hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
 314                        + status->rx_bufshift);
 315
 316        if (status->crc)
 317                rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 318
 319        if (status->rx_is40Mhzpacket)
 320                rx_status->bw = RATE_INFO_BW_40;
 321
 322        if (status->is_ht)
 323                rx_status->encoding = RX_ENC_HT;
 324
 325        rx_status->flag |= RX_FLAG_MACTIME_START;
 326
 327        /* hw will set status->decrypted true, if it finds the
 328         * frame is open data frame or mgmt frame.
 329         * So hw will not decryption robust managment frame
 330         * for IEEE80211w but still set status->decrypted
 331         * true, so here we should set it back to undecrypted
 332         * for IEEE80211w frame, and mac80211 sw will help
 333         * to decrypt it
 334         */
 335        if (status->decrypted) {
 336                if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
 337                    (ieee80211_has_protected(hdr->frame_control)))
 338                        rx_status->flag |= RX_FLAG_DECRYPTED;
 339                else
 340                        rx_status->flag &= ~RX_FLAG_DECRYPTED;
 341        }
 342
 343        /* rate_idx: index of data rate into band's
 344         * supported rates or MCS index if HT rates
 345         * are use (RX_FLAG_HT)
 346         * Notice: this is diff with windows define
 347         */
 348        rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
 349                                                   false, status->rate);
 350
 351        rx_status->mactime = status->timestamp_low;
 352        if (phystatus == true) {
 353                p_drvinfo = (struct rx_fwinfo_8723e *)(skb->data +
 354                                                     status->rx_bufshift);
 355
 356                translate_rx_signal_stuff(hw, skb, status, pdesc, p_drvinfo);
 357        }
 358        rx_status->signal = status->recvsignalpower + 10;
 359        return true;
 360}
 361
 362void rtl8723e_tx_fill_desc(struct ieee80211_hw *hw,
 363                           struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 364                           u8 *txbd, struct ieee80211_tx_info *info,
 365                           struct ieee80211_sta *sta,
 366                           struct sk_buff *skb,
 367                           u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 368{
 369        struct rtl_priv *rtlpriv = rtl_priv(hw);
 370        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 371        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 372        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 373        bool b_defaultadapter = true;
 374        /* bool b_trigger_ac = false; */
 375        u8 *pdesc = (u8 *)pdesc_tx;
 376        u16 seq_number;
 377        __le16 fc = hdr->frame_control;
 378        u8 fw_qsel = _rtl8723e_map_hwqueue_to_fwqueue(skb, hw_queue);
 379        bool firstseg = ((hdr->seq_ctrl &
 380                          cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 381
 382        bool lastseg = ((hdr->frame_control &
 383                         cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 384
 385        dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 386                                            skb->data, skb->len,
 387                                            PCI_DMA_TODEVICE);
 388        u8 bw_40 = 0;
 389
 390        if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 391                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 392                         "DMA mapping error\n");
 393                return;
 394        }
 395        if (mac->opmode == NL80211_IFTYPE_STATION) {
 396                bw_40 = mac->bw_40;
 397        } else if (mac->opmode == NL80211_IFTYPE_AP ||
 398                mac->opmode == NL80211_IFTYPE_ADHOC) {
 399                if (sta)
 400                        bw_40 = sta->ht_cap.cap &
 401                                IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 402        }
 403
 404        seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 405
 406        rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 407
 408        CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8723e));
 409
 410        if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 411                firstseg = true;
 412                lastseg = true;
 413        }
 414
 415        if (firstseg) {
 416                SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 417
 418                SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
 419
 420                if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
 421                        SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
 422
 423                if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 424                        SET_TX_DESC_AGG_BREAK(pdesc, 1);
 425                        SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 426                }
 427                SET_TX_DESC_SEQ(pdesc, seq_number);
 428
 429                SET_TX_DESC_RTS_ENABLE(pdesc,
 430                                       ((ptcb_desc->rts_enable &&
 431                                        !ptcb_desc->cts_enable) ? 1 : 0));
 432                SET_TX_DESC_HW_RTS_ENABLE(pdesc,
 433                                          ((ptcb_desc->rts_enable ||
 434                                          ptcb_desc->cts_enable) ? 1 : 0));
 435                SET_TX_DESC_CTS2SELF(pdesc,
 436                                     ((ptcb_desc->cts_enable) ? 1 : 0));
 437                SET_TX_DESC_RTS_STBC(pdesc,
 438                                     ((ptcb_desc->rts_stbc) ? 1 : 0));
 439
 440                SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 441                SET_TX_DESC_RTS_BW(pdesc, 0);
 442                SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
 443                SET_TX_DESC_RTS_SHORT(pdesc,
 444                                ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
 445                                (ptcb_desc->rts_use_shortpreamble ? 1 : 0)
 446                                : (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 447
 448                if (bw_40) {
 449                        if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 450                                SET_TX_DESC_DATA_BW(pdesc, 1);
 451                                SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 452                        } else {
 453                                SET_TX_DESC_DATA_BW(pdesc, 0);
 454                                SET_TX_DESC_TX_SUB_CARRIER(pdesc,
 455                                        mac->cur_40_prime_sc);
 456                        }
 457                } else {
 458                        SET_TX_DESC_DATA_BW(pdesc, 0);
 459                        SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 460                }
 461
 462                SET_TX_DESC_LINIP(pdesc, 0);
 463                SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
 464
 465                if (sta) {
 466                        u8 ampdu_density = sta->ht_cap.ampdu_density;
 467                        SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 468                }
 469
 470                if (info->control.hw_key) {
 471                        struct ieee80211_key_conf *keyconf =
 472                            info->control.hw_key;
 473
 474                        switch (keyconf->cipher) {
 475                        case WLAN_CIPHER_SUITE_WEP40:
 476                        case WLAN_CIPHER_SUITE_WEP104:
 477                        case WLAN_CIPHER_SUITE_TKIP:
 478                                SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 479                                break;
 480                        case WLAN_CIPHER_SUITE_CCMP:
 481                                SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 482                                break;
 483                        default:
 484                                SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 485                                break;
 486
 487                        }
 488                }
 489
 490                SET_TX_DESC_PKT_ID(pdesc, 0);
 491                SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 492
 493                SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 494                SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 495                SET_TX_DESC_DISABLE_FB(pdesc, 0);
 496                SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 497
 498                if (ieee80211_is_data_qos(fc)) {
 499                        if (mac->rdg_en) {
 500                                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 501                                         "Enable RDG function.\n");
 502                                SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 503                                SET_TX_DESC_HTC(pdesc, 1);
 504                        }
 505                }
 506        }
 507
 508        SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 509        SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 510
 511        SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
 512
 513        SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 514
 515        if (rtlpriv->dm.useramask) {
 516                SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
 517                SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 518        } else {
 519                SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
 520                SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
 521        }
 522
 523        if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
 524                SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
 525                /* SET_TX_DESC_HWSEQ_EN(pdesc, 1); */
 526                /* SET_TX_DESC_PKT_ID(pdesc, 8); */
 527
 528                if (!b_defaultadapter)
 529                        SET_TX_DESC_HWSEQ_SEL_8723(pdesc, 1);
 530        /* SET_TX_DESC_QOS(pdesc, 1); */
 531        }
 532
 533        SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 534
 535        if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 536            is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 537                SET_TX_DESC_BMC(pdesc, 1);
 538        }
 539
 540        RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 541}
 542
 543void rtl8723e_tx_fill_cmddesc(struct ieee80211_hw *hw,
 544                              u8 *pdesc, bool firstseg,
 545                              bool lastseg, struct sk_buff *skb)
 546{
 547        struct rtl_priv *rtlpriv = rtl_priv(hw);
 548        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 549        u8 fw_queue = QSLT_BEACON;
 550
 551        dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 552                                            skb->data, skb->len,
 553                                            PCI_DMA_TODEVICE);
 554
 555        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
 556        __le16 fc = hdr->frame_control;
 557
 558        if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 559                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 560                         "DMA mapping error\n");
 561                return;
 562        }
 563        CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 564
 565        if (firstseg)
 566                SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 567
 568        SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
 569
 570        SET_TX_DESC_SEQ(pdesc, 0);
 571
 572        SET_TX_DESC_LINIP(pdesc, 0);
 573
 574        SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 575
 576        SET_TX_DESC_FIRST_SEG(pdesc, 1);
 577        SET_TX_DESC_LAST_SEG(pdesc, 1);
 578
 579        SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
 580
 581        SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 582
 583        SET_TX_DESC_RATE_ID(pdesc, 7);
 584        SET_TX_DESC_MACID(pdesc, 0);
 585
 586        SET_TX_DESC_OWN(pdesc, 1);
 587
 588        SET_TX_DESC_PKT_SIZE((u8 *)pdesc, (u16)(skb->len));
 589
 590        SET_TX_DESC_FIRST_SEG(pdesc, 1);
 591        SET_TX_DESC_LAST_SEG(pdesc, 1);
 592
 593        SET_TX_DESC_OFFSET(pdesc, 0x20);
 594
 595        SET_TX_DESC_USE_RATE(pdesc, 1);
 596
 597        if (!ieee80211_is_data_qos(fc)) {
 598                SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
 599                /* SET_TX_DESC_HWSEQ_EN(pdesc, 1); */
 600                /* SET_TX_DESC_PKT_ID(pdesc, 8); */
 601        }
 602
 603        RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 604                      "H2C Tx Cmd Content\n",
 605                      pdesc, TX_DESC_SIZE);
 606}
 607
 608void rtl8723e_set_desc(struct ieee80211_hw *hw, u8 *pdesc,
 609                       bool istx, u8 desc_name, u8 *val)
 610{
 611        if (istx == true) {
 612                switch (desc_name) {
 613                case HW_DESC_OWN:
 614                        SET_TX_DESC_OWN(pdesc, 1);
 615                        break;
 616                case HW_DESC_TX_NEXTDESC_ADDR:
 617                        SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
 618                        break;
 619                default:
 620                        WARN_ONCE(true, "rtl8723ae: ERR txdesc :%d not processed\n",
 621                                  desc_name);
 622                        break;
 623                }
 624        } else {
 625                switch (desc_name) {
 626                case HW_DESC_RXOWN:
 627                        SET_RX_DESC_OWN(pdesc, 1);
 628                        break;
 629                case HW_DESC_RXBUFF_ADDR:
 630                        SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
 631                        break;
 632                case HW_DESC_RXPKT_LEN:
 633                        SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
 634                        break;
 635                case HW_DESC_RXERO:
 636                        SET_RX_DESC_EOR(pdesc, 1);
 637                        break;
 638                default:
 639                        WARN_ONCE(true, "rtl8723ae: ERR rxdesc :%d not processed\n",
 640                                  desc_name);
 641                        break;
 642                }
 643        }
 644}
 645
 646u64 rtl8723e_get_desc(struct ieee80211_hw *hw,
 647                      u8 *pdesc, bool istx, u8 desc_name)
 648{
 649        u32 ret = 0;
 650
 651        if (istx == true) {
 652                switch (desc_name) {
 653                case HW_DESC_OWN:
 654                        ret = GET_TX_DESC_OWN(pdesc);
 655                        break;
 656                case HW_DESC_TXBUFF_ADDR:
 657                        ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
 658                        break;
 659                default:
 660                        WARN_ONCE(true, "rtl8723ae: ERR txdesc :%d not processed\n",
 661                                  desc_name);
 662                        break;
 663                }
 664        } else {
 665                switch (desc_name) {
 666                case HW_DESC_OWN:
 667                        ret = GET_RX_DESC_OWN(pdesc);
 668                        break;
 669                case HW_DESC_RXPKT_LEN:
 670                        ret = GET_RX_DESC_PKT_LEN(pdesc);
 671                        break;
 672                case HW_DESC_RXBUFF_ADDR:
 673                        ret = GET_RX_DESC_BUFF_ADDR(pdesc);
 674                        break;
 675                default:
 676                        WARN_ONCE(true, "rtl8723ae: ERR rxdesc :%d not processed\n",
 677                                  desc_name);
 678                        break;
 679                }
 680        }
 681        return ret;
 682}
 683
 684bool rtl8723e_is_tx_desc_closed(struct ieee80211_hw *hw,
 685                                u8 hw_queue, u16 index)
 686{
 687        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 688        struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 689        u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 690        u8 own = (u8)rtl8723e_get_desc(hw, entry, true, HW_DESC_OWN);
 691
 692        /**
 693         *beacon packet will only use the first
 694         *descriptor defautly,and the own may not
 695         *be cleared by the hardware
 696         */
 697        if (own)
 698                return false;
 699        return true;
 700}
 701
 702void rtl8723e_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 703{
 704        struct rtl_priv *rtlpriv = rtl_priv(hw);
 705        if (hw_queue == BEACON_QUEUE) {
 706                rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 707        } else {
 708                rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 709                               BIT(0) << (hw_queue));
 710        }
 711}
 712