linux/drivers/net/wireless/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 * You should have received a copy of the GNU General Public License along with
  15 * this program; if not, write to the Free Software Foundation, Inc.,
  16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17 *
  18 * The full GNU General Public License is included in this distribution in the
  19 * file called LICENSE.
  20 *
  21 * Contact Information:
  22 * wlanfae <wlanfae@realtek.com>
  23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  24 * Hsinchu 300, Taiwan.
  25 *
  26 * Larry Finger <Larry.Finger@lwfinger.net>
  27 *
  28 *****************************************************************************/
  29
  30#include "../wifi.h"
  31#include "../pci.h"
  32#include "../base.h"
  33#include "../stats.h"
  34#include "reg.h"
  35#include "def.h"
  36#include "phy.h"
  37#include "trx.h"
  38#include "led.h"
  39
  40static u8 _rtl8723ae_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
  41{
  42        __le16 fc = rtl_get_fc(skb);
  43
  44        if (unlikely(ieee80211_is_beacon(fc)))
  45                return QSLT_BEACON;
  46        if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
  47                return QSLT_MGNT;
  48
  49        return skb->priority;
  50}
  51
  52static void _rtl8723ae_query_rxphystatus(struct ieee80211_hw *hw,
  53                        struct rtl_stats *pstatus, u8 *pdesc,
  54                        struct rx_fwinfo_8723e *p_drvinfo,
  55                        bool bpacket_match_bssid,
  56                        bool bpacket_toself, bool packet_beacon)
  57{
  58        struct rtl_priv *rtlpriv = rtl_priv(hw);
  59        struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
  60        struct phy_sts_cck_8723e_t *cck_buf;
  61        s8 rx_pwr_all, rx_pwr[4];
  62        u8 rf_rx_num = 0, evm, pwdb_all;
  63        u8 i, max_spatial_stream;
  64        u32 rssi, total_rssi = 0;
  65        bool is_cck = pstatus->is_cck;
  66
  67        /* Record it for next packet processing */
  68        pstatus->packet_matchbssid = bpacket_match_bssid;
  69        pstatus->packet_toself = bpacket_toself;
  70        pstatus->packet_beacon = packet_beacon;
  71        pstatus->rx_mimo_sig_qual[0] = -1;
  72        pstatus->rx_mimo_sig_qual[1] = -1;
  73
  74        if (is_cck) {
  75                u8 report, cck_highpwr;
  76
  77                /* CCK Driver info Structure is not the same as OFDM packet. */
  78                cck_buf = (struct phy_sts_cck_8723e_t *)p_drvinfo;
  79
  80                /* (1)Hardware does not provide RSSI for CCK
  81                 * (2)PWDB, Average PWDB cacluated by
  82                 * hardware (for rate adaptive)
  83                 */
  84                if (ppsc->rfpwr_state == ERFON)
  85                        cck_highpwr = (u8) rtl_get_bbreg(hw,
  86                                                 RFPGA0_XA_HSSIPARAMETER2,
  87                                                 BIT(9));
  88                else
  89                        cck_highpwr = false;
  90
  91                if (!cck_highpwr) {
  92                        u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
  93                        report = cck_buf->cck_agc_rpt & 0xc0;
  94                        report = report >> 6;
  95                        switch (report) {
  96                        case 0x3:
  97                                rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
  98                                break;
  99                        case 0x2:
 100                                rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
 101                                break;
 102                        case 0x1:
 103                                rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
 104                                break;
 105                        case 0x0:
 106                                rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
 107                                break;
 108                        }
 109                } else {
 110                        u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
 111                        report = p_drvinfo->cfosho[0] & 0x60;
 112                        report = report >> 5;
 113                        switch (report) {
 114                        case 0x3:
 115                                rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
 116                                break;
 117                        case 0x2:
 118                                rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
 119                                break;
 120                        case 0x1:
 121                                rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
 122                                break;
 123                        case 0x0:
 124                                rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
 125                                break;
 126                        }
 127                }
 128
 129                pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 130                /* CCK gain is smaller than OFDM/MCS gain,
 131                 * so we add gain diff. From experience, the val is 6
 132                 */
 133                pwdb_all += 6;
 134                if (pwdb_all > 100)
 135                        pwdb_all = 100;
 136                /* modify the offset to make the same
 137                 * gain index with OFDM.
 138                 */
 139                if (pwdb_all > 34 && pwdb_all <= 42)
 140                        pwdb_all -= 2;
 141                else if (pwdb_all > 26 && pwdb_all <= 34)
 142                        pwdb_all -= 6;
 143                else if (pwdb_all > 14 && pwdb_all <= 26)
 144                        pwdb_all -= 8;
 145                else if (pwdb_all > 4 && pwdb_all <= 14)
 146                        pwdb_all -= 4;
 147
 148                pstatus->rx_pwdb_all = pwdb_all;
 149                pstatus->recvsignalpower = rx_pwr_all;
 150
 151                /* (3) Get Signal Quality (EVM) */
 152                if (bpacket_match_bssid) {
 153                        u8 sq;
 154
 155                        if (pstatus->rx_pwdb_all > 40) {
 156                                sq = 100;
 157                        } else {
 158                                sq = cck_buf->sq_rpt;
 159                                if (sq > 64)
 160                                        sq = 0;
 161                                else if (sq < 20)
 162                                        sq = 100;
 163                                else
 164                                        sq = ((64 - sq) * 100) / 44;
 165                        }
 166
 167                        pstatus->signalquality = sq;
 168                        pstatus->rx_mimo_sig_qual[0] = sq;
 169                        pstatus->rx_mimo_sig_qual[1] = -1;
 170                }
 171        } else {
 172                rtlpriv->dm.rfpath_rxenable[0] =
 173                    rtlpriv->dm.rfpath_rxenable[1] = true;
 174
 175                /* (1)Get RSSI for HT rate */
 176                for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 177
 178                        /* we will judge RF RX path now. */
 179                        if (rtlpriv->dm.rfpath_rxenable[i])
 180                                rf_rx_num++;
 181
 182                        rx_pwr[i] = ((p_drvinfo->gain_trsw[i] & 0x3f)*2) - 110;
 183
 184                        /* Translate DBM to percentage. */
 185                        rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 186                        total_rssi += rssi;
 187
 188                        /* Get Rx snr value in DB */
 189                        rtlpriv->stats.rx_snr_db[i] = (p_drvinfo->rxsnr[i] / 2);
 190
 191                        /* Record Signal Strength for next packet */
 192                        if (bpacket_match_bssid)
 193                                pstatus->rx_mimo_signalstrength[i] = (u8) rssi;
 194                }
 195
 196                /* (2)PWDB, Average PWDB cacluated by
 197                 * hardware (for rate adaptive)
 198                 */
 199                rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 200
 201                pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 202                pstatus->rx_pwdb_all = pwdb_all;
 203                pstatus->rxpower = rx_pwr_all;
 204                pstatus->recvsignalpower = rx_pwr_all;
 205
 206                /* (3)EVM of HT rate */
 207                if (pstatus->is_ht && pstatus->rate >= DESC92_RATEMCS8 &&
 208                    pstatus->rate <= DESC92_RATEMCS15)
 209                        max_spatial_stream = 2;
 210                else
 211                        max_spatial_stream = 1;
 212
 213                for (i = 0; i < max_spatial_stream; i++) {
 214                        evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
 215
 216                        if (bpacket_match_bssid) {
 217                                /* Fill value in RFD, Get the first
 218                                 * spatial stream only
 219                                 */
 220                                if (i == 0)
 221                                        pstatus->signalquality = (evm & 0xff);
 222                                pstatus->rx_mimo_sig_qual[i] = (evm & 0xff);
 223                        }
 224                }
 225        }
 226
 227        /* UI BSS List signal strength(in percentage),
 228         * make it good looking, from 0~100.
 229         */
 230        if (is_cck)
 231                pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 232                        pwdb_all));
 233        else if (rf_rx_num != 0)
 234                pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 235                        total_rssi /= rf_rx_num));
 236}
 237
 238static void _rtl8723ae_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 239                struct sk_buff *skb, struct rtl_stats *pstatus,
 240                u8 *pdesc, struct rx_fwinfo_8723e *p_drvinfo)
 241{
 242        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 243        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 244        struct ieee80211_hdr *hdr;
 245        u8 *tmp_buf;
 246        u8 *praddr;
 247        __le16 fc;
 248        u16 type;
 249        bool packet_matchbssid, packet_toself, packet_beacon = false;
 250
 251        tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 252
 253        hdr = (struct ieee80211_hdr *)tmp_buf;
 254        fc = hdr->frame_control;
 255        type = WLAN_FC_GET_TYPE(fc);
 256        praddr = hdr->addr1;
 257
 258        packet_matchbssid =
 259                ((IEEE80211_FTYPE_CTL != type) &&
 260                 ether_addr_equal(mac->bssid,
 261                                  (le16_to_cpu(fc) & IEEE80211_FCTL_TODS) ? hdr->addr1 :
 262                                  (le16_to_cpu(fc) & IEEE80211_FCTL_FROMDS) ? hdr->addr2 :
 263                                  hdr->addr3) &&
 264                 (!pstatus->hwerror) && (!pstatus->crc) && (!pstatus->icv));
 265
 266        packet_toself = (packet_matchbssid &&
 267                         ether_addr_equal(praddr, rtlefuse->dev_addr));
 268
 269        if (ieee80211_is_beacon(fc))
 270                packet_beacon = true;
 271
 272        _rtl8723ae_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 273                                   packet_matchbssid, packet_toself,
 274                                   packet_beacon);
 275
 276        rtl_process_phyinfo(hw, tmp_buf, pstatus);
 277}
 278
 279bool rtl8723ae_rx_query_desc(struct ieee80211_hw *hw,
 280                             struct rtl_stats *status,
 281                             struct ieee80211_rx_status *rx_status,
 282                             u8 *pdesc, struct sk_buff *skb)
 283{
 284        struct rx_fwinfo_8723e *p_drvinfo;
 285        struct ieee80211_hdr *hdr;
 286        u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 287
 288        status->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
 289        status->rx_drvinfo_size = (u8) GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 290                                   RX_DRV_INFO_SIZE_UNIT;
 291        status->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
 292        status->icv = (u16) GET_RX_DESC_ICV(pdesc);
 293        status->crc = (u16) GET_RX_DESC_CRC32(pdesc);
 294        status->hwerror = (status->crc | status->icv);
 295        status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 296        status->rate = (u8) GET_RX_DESC_RXMCS(pdesc);
 297        status->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
 298        status->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
 299        status->isfirst_ampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
 300                                 && (GET_RX_DESC_FAGGR(pdesc) == 1));
 301        status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 302        status->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
 303        status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
 304
 305        status->is_cck = RTL8723E_RX_HAL_IS_CCK_RATE(status->rate);
 306
 307        rx_status->freq = hw->conf.chandef.chan->center_freq;
 308        rx_status->band = hw->conf.chandef.chan->band;
 309
 310        if (status->crc)
 311                rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 312
 313        if (status->rx_is40Mhzpacket)
 314                rx_status->flag |= RX_FLAG_40MHZ;
 315
 316        if (status->is_ht)
 317                rx_status->flag |= RX_FLAG_HT;
 318
 319        rx_status->flag |= RX_FLAG_MACTIME_START;
 320
 321        /* hw will set status->decrypted true, if it finds the
 322         * frame is open data frame or mgmt frame.
 323         * Thus hw will not decrypt a robust managment frame
 324         * for IEEE80211w but still set status->decrypted
 325         * true, so here we should set it back to undecrypted
 326         * for IEEE80211w frame, and mac80211 sw will help
 327         * to decrypt it
 328         */
 329        if (status->decrypted) {
 330                hdr = (struct ieee80211_hdr *)(skb->data +
 331                       status->rx_drvinfo_size + status->rx_bufshift);
 332
 333                if (!hdr) {
 334                        /* during testing, hdr could be NULL here */
 335                        return false;
 336                }
 337                if ((ieee80211_is_robust_mgmt_frame(hdr)) &&
 338                        (ieee80211_has_protected(hdr->frame_control)))
 339                        rx_status->flag &= ~RX_FLAG_DECRYPTED;
 340                else
 341                        rx_status->flag |= RX_FLAG_DECRYPTED;
 342        }
 343
 344        /* rate_idx: index of data rate into band's
 345         * supported rates or MCS index if HT rates
 346         * are use (RX_FLAG_HT)
 347         */
 348        rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
 349                                                   status->rate, false);
 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                _rtl8723ae_translate_rx_signal_stuff(hw,
 357                           skb, status, pdesc, p_drvinfo);
 358        }
 359
 360        /*rx_status->qual = status->signal; */
 361        rx_status->signal = status->recvsignalpower + 10;
 362        /*rx_status->noise = -status->noise; */
 363
 364        return true;
 365}
 366
 367void rtl8723ae_tx_fill_desc(struct ieee80211_hw *hw,
 368                            struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 369                            struct ieee80211_tx_info *info,
 370                            struct ieee80211_sta *sta,
 371                            struct sk_buff *skb, u8 hw_queue,
 372                            struct rtl_tcb_desc *ptcdesc)
 373{
 374        struct rtl_priv *rtlpriv = rtl_priv(hw);
 375        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 376        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 377        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 378        bool defaultadapter = true;
 379        u8 *pdesc = (u8 *) pdesc_tx;
 380        u16 seq_number;
 381        __le16 fc = hdr->frame_control;
 382        u8 fw_qsel = _rtl8723ae_map_hwqueue_to_fwqueue(skb, hw_queue);
 383        bool firstseg = ((hdr->seq_ctrl &
 384                            cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 385        bool lastseg = ((hdr->frame_control &
 386                           cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 387        dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 388                                            skb->data, skb->len,
 389                                            PCI_DMA_TODEVICE);
 390        u8 bw_40 = 0;
 391
 392        if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 393                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 394                         "DMA mapping error");
 395                return;
 396        }
 397        if (mac->opmode == NL80211_IFTYPE_STATION) {
 398                bw_40 = mac->bw_40;
 399        } else if (mac->opmode == NL80211_IFTYPE_AP ||
 400                mac->opmode == NL80211_IFTYPE_ADHOC) {
 401                if (sta)
 402                        bw_40 = sta->bandwidth >= IEEE80211_STA_RX_BW_40;
 403        }
 404
 405        seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 406
 407        rtl_get_tcb_desc(hw, info, sta, skb, ptcdesc);
 408
 409        CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8723e));
 410
 411        if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 412                firstseg = true;
 413                lastseg = true;
 414        }
 415
 416        if (firstseg) {
 417                SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 418
 419                SET_TX_DESC_TX_RATE(pdesc, ptcdesc->hw_rate);
 420
 421                if (ptcdesc->use_shortgi || ptcdesc->use_shortpreamble)
 422                        SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
 423
 424                if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 425                        SET_TX_DESC_AGG_BREAK(pdesc, 1);
 426                        SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 427                }
 428                SET_TX_DESC_SEQ(pdesc, seq_number);
 429
 430                SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcdesc->rts_enable &&
 431                                                !ptcdesc->
 432                                                cts_enable) ? 1 : 0));
 433                SET_TX_DESC_HW_RTS_ENABLE(pdesc,
 434                                          ((ptcdesc->rts_enable
 435                                            || ptcdesc->cts_enable) ? 1 : 0));
 436                SET_TX_DESC_CTS2SELF(pdesc, ((ptcdesc->cts_enable) ? 1 : 0));
 437                SET_TX_DESC_RTS_STBC(pdesc, ((ptcdesc->rts_stbc) ? 1 : 0));
 438
 439                SET_TX_DESC_RTS_RATE(pdesc, ptcdesc->rts_rate);
 440                SET_TX_DESC_RTS_BW(pdesc, 0);
 441                SET_TX_DESC_RTS_SC(pdesc, ptcdesc->rts_sc);
 442                SET_TX_DESC_RTS_SHORT(pdesc,
 443                                      ((ptcdesc->rts_rate <= DESC92_RATE54M) ?
 444                                       (ptcdesc->rts_use_shortpreamble ? 1 : 0)
 445                                       : (ptcdesc->rts_use_shortgi ? 1 : 0)));
 446
 447                if (bw_40) {
 448                        if (ptcdesc->packet_bw) {
 449                                SET_TX_DESC_DATA_BW(pdesc, 1);
 450                                SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 451                        } else {
 452                                SET_TX_DESC_DATA_BW(pdesc, 0);
 453                                SET_TX_DESC_TX_SUB_CARRIER(pdesc,
 454                                                         mac->cur_40_prime_sc);
 455                        }
 456                } else {
 457                        SET_TX_DESC_DATA_BW(pdesc, 0);
 458                        SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 459                }
 460
 461                SET_TX_DESC_LINIP(pdesc, 0);
 462                SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
 463
 464                if (sta) {
 465                        u8 ampdu_density = sta->ht_cap.ampdu_density;
 466                        SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 467                }
 468
 469                if (info->control.hw_key) {
 470                        struct ieee80211_key_conf *keyconf =
 471                            info->control.hw_key;
 472
 473                        switch (keyconf->cipher) {
 474                        case WLAN_CIPHER_SUITE_WEP40:
 475                        case WLAN_CIPHER_SUITE_WEP104:
 476                        case WLAN_CIPHER_SUITE_TKIP:
 477                                SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 478                                break;
 479                        case WLAN_CIPHER_SUITE_CCMP:
 480                                SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 481                                break;
 482                        default:
 483                                SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 484                                break;
 485                        }
 486                }
 487
 488                SET_TX_DESC_PKT_ID(pdesc, 0);
 489                SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 490
 491                SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 492                SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 493                SET_TX_DESC_DISABLE_FB(pdesc, 0);
 494                SET_TX_DESC_USE_RATE(pdesc, ptcdesc->use_driver_rate ? 1 : 0);
 495
 496                if (ieee80211_is_data_qos(fc)) {
 497                        if (mac->rdg_en) {
 498                                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 499                                         "Enable RDG function.\n");
 500                                SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 501                                SET_TX_DESC_HTC(pdesc, 1);
 502                        }
 503                }
 504        }
 505
 506        SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 507        SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 508
 509        SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
 510
 511        SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 512
 513        if (rtlpriv->dm.useramask) {
 514                SET_TX_DESC_RATE_ID(pdesc, ptcdesc->ratr_index);
 515                SET_TX_DESC_MACID(pdesc, ptcdesc->mac_id);
 516        } else {
 517                SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcdesc->ratr_index);
 518                SET_TX_DESC_MACID(pdesc, ptcdesc->ratr_index);
 519        }
 520
 521        if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
 522                SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
 523
 524                if (!defaultadapter)
 525                        SET_TX_DESC_HWSEQ_SEL_8723(pdesc, 1);
 526        }
 527
 528        SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 529
 530        if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 531            is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 532                SET_TX_DESC_BMC(pdesc, 1);
 533        }
 534
 535        RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 536}
 537
 538void rtl8723ae_tx_fill_cmddesc(struct ieee80211_hw *hw,
 539                              u8 *pdesc, bool firstseg,
 540                              bool lastseg, struct sk_buff *skb)
 541{
 542        struct rtl_priv *rtlpriv = rtl_priv(hw);
 543        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 544        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
 545        u8 fw_queue = QSLT_BEACON;
 546        dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 547                                            skb->data, skb->len,
 548                                            PCI_DMA_TODEVICE);
 549        __le16 fc = hdr->frame_control;
 550
 551        if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 552                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 553                         "DMA mapping error");
 554                return;
 555        }
 556        CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 557
 558        if (firstseg)
 559                SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 560
 561        SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M);
 562
 563        SET_TX_DESC_SEQ(pdesc, 0);
 564
 565        SET_TX_DESC_LINIP(pdesc, 0);
 566
 567        SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 568
 569        SET_TX_DESC_FIRST_SEG(pdesc, 1);
 570        SET_TX_DESC_LAST_SEG(pdesc, 1);
 571
 572        SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
 573
 574        SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 575
 576        SET_TX_DESC_RATE_ID(pdesc, 7);
 577        SET_TX_DESC_MACID(pdesc, 0);
 578
 579        SET_TX_DESC_OWN(pdesc, 1);
 580
 581        SET_TX_DESC_PKT_SIZE((u8 *) pdesc, (u16) (skb->len));
 582
 583        SET_TX_DESC_FIRST_SEG(pdesc, 1);
 584        SET_TX_DESC_LAST_SEG(pdesc, 1);
 585
 586        SET_TX_DESC_OFFSET(pdesc, 0x20);
 587
 588        SET_TX_DESC_USE_RATE(pdesc, 1);
 589
 590        if (!ieee80211_is_data_qos(fc)) {
 591                SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
 592                /* SET_TX_DESC_HWSEQ_EN(pdesc, 1); */
 593                /* SET_TX_DESC_PKT_ID(pdesc, 8); */
 594        }
 595
 596        RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 597                      "H2C Tx Cmd Content\n",
 598                      pdesc, TX_DESC_SIZE);
 599}
 600
 601void rtl8723ae_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
 602{
 603        if (istx == true) {
 604                switch (desc_name) {
 605                case HW_DESC_OWN:
 606                        SET_TX_DESC_OWN(pdesc, 1);
 607                        break;
 608                case HW_DESC_TX_NEXTDESC_ADDR:
 609                        SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
 610                        break;
 611                default:
 612                        RT_ASSERT(false, "ERR txdesc :%d not process\n",
 613                                  desc_name);
 614                        break;
 615                }
 616        } else {
 617                switch (desc_name) {
 618                case HW_DESC_RXOWN:
 619                        SET_RX_DESC_OWN(pdesc, 1);
 620                        break;
 621                case HW_DESC_RXBUFF_ADDR:
 622                        SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
 623                        break;
 624                case HW_DESC_RXPKT_LEN:
 625                        SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
 626                        break;
 627                case HW_DESC_RXERO:
 628                        SET_RX_DESC_EOR(pdesc, 1);
 629                        break;
 630                default:
 631                        RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 632                                  desc_name);
 633                        break;
 634                }
 635        }
 636}
 637
 638u32 rtl8723ae_get_desc(u8 *pdesc, bool istx, u8 desc_name)
 639{
 640        u32 ret = 0;
 641
 642        if (istx == true) {
 643                switch (desc_name) {
 644                case HW_DESC_OWN:
 645                        ret = GET_TX_DESC_OWN(pdesc);
 646                        break;
 647                case HW_DESC_TXBUFF_ADDR:
 648                        ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
 649                        break;
 650                default:
 651                        RT_ASSERT(false, "ERR txdesc :%d not process\n",
 652                                  desc_name);
 653                        break;
 654                }
 655        } else {
 656                switch (desc_name) {
 657                case HW_DESC_OWN:
 658                        ret = GET_RX_DESC_OWN(pdesc);
 659                        break;
 660                case HW_DESC_RXPKT_LEN:
 661                        ret = GET_RX_DESC_PKT_LEN(pdesc);
 662                        break;
 663                default:
 664                        RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 665                                  desc_name);
 666                        break;
 667                }
 668        }
 669        return ret;
 670}
 671
 672void rtl8723ae_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 673{
 674        struct rtl_priv *rtlpriv = rtl_priv(hw);
 675        if (hw_queue == BEACON_QUEUE) {
 676                rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 677        } else {
 678                rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 679                               BIT(0) << (hw_queue));
 680        }
 681}
 682