linux/drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.c
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   1/******************************************************************************
   2 *
   3 * Copyright(c) 2009-2014  Realtek Corporation.
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms of version 2 of the GNU General Public License as
   7 * published by the Free Software Foundation.
   8 *
   9 * This program is distributed in the hope that it will be useful, but WITHOUT
  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12 * more details.
  13 *
  14 * The full GNU General Public License is included in this distribution in the
  15 * file called LICENSE.
  16 *
  17 * Contact Information:
  18 * wlanfae <wlanfae@realtek.com>
  19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20 * Hsinchu 300, Taiwan.
  21 *
  22 * Larry Finger <Larry.Finger@lwfinger.net>
  23 *
  24 *****************************************************************************/
  25
  26#include "../wifi.h"
  27#include "../pci.h"
  28#include "../base.h"
  29#include "../stats.h"
  30#include "reg.h"
  31#include "def.h"
  32#include "phy.h"
  33#include "trx.h"
  34#include "led.h"
  35#include "dm.h"
  36#include "fw.h"
  37
  38static u8 _rtl8723be_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
  39{
  40        __le16 fc = rtl_get_fc(skb);
  41
  42        if (unlikely(ieee80211_is_beacon(fc)))
  43                return QSLT_BEACON;
  44        if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
  45                return QSLT_MGNT;
  46
  47        return skb->priority;
  48}
  49
  50static void _rtl8723be_query_rxphystatus(struct ieee80211_hw *hw,
  51                                         struct rtl_stats *pstatus, u8 *pdesc,
  52                                         struct rx_fwinfo_8723be *p_drvinfo,
  53                                         bool bpacket_match_bssid,
  54                                         bool bpacket_toself,
  55                                         bool packet_beacon)
  56{
  57        struct rtl_priv *rtlpriv = rtl_priv(hw);
  58        struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo;
  59        char rx_pwr_all = 0, rx_pwr[4];
  60        u8 rf_rx_num = 0, evm, pwdb_all, pwdb_all_bt = 0;
  61        u8 i, max_spatial_stream;
  62        u32 rssi, total_rssi = 0;
  63        bool is_cck = pstatus->is_cck;
  64        u8 lan_idx, vga_idx;
  65
  66        /* Record it for next packet processing */
  67        pstatus->packet_matchbssid = bpacket_match_bssid;
  68        pstatus->packet_toself = bpacket_toself;
  69        pstatus->packet_beacon = packet_beacon;
  70        pstatus->rx_mimo_signalquality[0] = -1;
  71        pstatus->rx_mimo_signalquality[1] = -1;
  72
  73        if (is_cck) {
  74                u8 cck_highpwr;
  75                u8 cck_agc_rpt;
  76
  77                cck_agc_rpt = p_phystrpt->cck_agc_rpt_ofdm_cfosho_a;
  78
  79                /* (1)Hardware does not provide RSSI for CCK */
  80                /* (2)PWDB, Average PWDB cacluated by
  81                 * hardware (for rate adaptive)
  82                 */
  83                cck_highpwr = (u8)rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
  84                                                 BIT(9));
  85
  86                lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
  87                vga_idx = (cck_agc_rpt & 0x1f);
  88
  89                switch (lan_idx) {
  90                /* 46 53 73 95 201301231630 */
  91                /* 46 53 77 99 201301241630 */
  92                case 6:
  93                        rx_pwr_all = -34 - (2 * vga_idx);
  94                        break;
  95                case 4:
  96                        rx_pwr_all = -14 - (2 * vga_idx);
  97                        break;
  98                case 1:
  99                        rx_pwr_all = 6 - (2 * vga_idx);
 100                        break;
 101                case 0:
 102                        rx_pwr_all = 16 - (2 * vga_idx);
 103                        break;
 104                default:
 105                        break;
 106                }
 107
 108                pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 109                if (pwdb_all > 100)
 110                        pwdb_all = 100;
 111
 112                pstatus->rx_pwdb_all = pwdb_all;
 113                pstatus->bt_rx_rssi_percentage = pwdb_all;
 114                pstatus->recvsignalpower = rx_pwr_all;
 115
 116                /* (3) Get Signal Quality (EVM) */
 117                if (bpacket_match_bssid) {
 118                        u8 sq, sq_rpt;
 119                        if (pstatus->rx_pwdb_all > 40) {
 120                                sq = 100;
 121                        } else {
 122                                sq_rpt = p_phystrpt->cck_sig_qual_ofdm_pwdb_all;
 123                                if (sq_rpt > 64)
 124                                        sq = 0;
 125                                else if (sq_rpt < 20)
 126                                        sq = 100;
 127                                else
 128                                        sq = ((64 - sq_rpt) * 100) / 44;
 129                        }
 130                        pstatus->signalquality = sq;
 131                        pstatus->rx_mimo_signalquality[0] = sq;
 132                        pstatus->rx_mimo_signalquality[1] = -1;
 133                }
 134        } else {
 135                /* (1)Get RSSI for HT rate */
 136                for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 137                        /* we will judge RF RX path now. */
 138                        if (rtlpriv->dm.rfpath_rxenable[i])
 139                                rf_rx_num++;
 140
 141                        rx_pwr[i] = ((p_phystrpt->path_agc[i].gain & 0x3f) * 2)
 142                                    - 110;
 143
 144                        pstatus->rx_pwr[i] = rx_pwr[i];
 145                        /* Translate DBM to percentage. */
 146                        rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 147                        total_rssi += rssi;
 148
 149                        pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
 150                }
 151
 152                /* (2)PWDB, Average PWDB cacluated by
 153                 * hardware (for rate adaptive)
 154                 */
 155                rx_pwr_all = ((p_phystrpt->cck_sig_qual_ofdm_pwdb_all >> 1) &
 156                             0x7f) - 110;
 157
 158                pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 159                pwdb_all_bt = pwdb_all;
 160                pstatus->rx_pwdb_all = pwdb_all;
 161                pstatus->bt_rx_rssi_percentage = pwdb_all_bt;
 162                pstatus->rxpower = rx_pwr_all;
 163                pstatus->recvsignalpower = rx_pwr_all;
 164
 165                /* (3)EVM of HT rate */
 166                if (pstatus->rate >= DESC92C_RATEMCS8 &&
 167                    pstatus->rate <= DESC92C_RATEMCS15)
 168                        max_spatial_stream = 2;
 169                else
 170                        max_spatial_stream = 1;
 171
 172                for (i = 0; i < max_spatial_stream; i++) {
 173                        evm = rtl_evm_db_to_percentage(
 174                                                p_phystrpt->stream_rxevm[i]);
 175
 176                        if (bpacket_match_bssid) {
 177                                /* Fill value in RFD, Get the first
 178                                 * spatial stream only
 179                                 */
 180                                if (i == 0)
 181                                        pstatus->signalquality =
 182                                                        (u8)(evm & 0xff);
 183                                pstatus->rx_mimo_signalquality[i] =
 184                                                        (u8)(evm & 0xff);
 185                        }
 186                }
 187
 188                if (bpacket_match_bssid) {
 189                        for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
 190                                rtl_priv(hw)->dm.cfo_tail[i] =
 191                                        (int)p_phystrpt->path_cfotail[i];
 192
 193                        if (rtl_priv(hw)->dm.packet_count == 0xffffffff)
 194                                rtl_priv(hw)->dm.packet_count = 0;
 195                        else
 196                                rtl_priv(hw)->dm.packet_count++;
 197                }
 198        }
 199
 200        /* UI BSS List signal strength(in percentage),
 201         * make it good looking, from 0~100.
 202         */
 203        if (is_cck)
 204                pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 205                                                                pwdb_all));
 206        else if (rf_rx_num != 0)
 207                pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 208                                                total_rssi /= rf_rx_num));
 209}
 210
 211static void _rtl8723be_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 212                                        struct sk_buff *skb,
 213                                        struct rtl_stats *pstatus,
 214                                        u8 *pdesc,
 215                                        struct rx_fwinfo_8723be *p_drvinfo)
 216{
 217        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 218        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 219        struct ieee80211_hdr *hdr;
 220        u8 *tmp_buf;
 221        u8 *praddr;
 222        u8 *psaddr;
 223        u16 fc, type;
 224        bool packet_matchbssid, packet_toself, packet_beacon;
 225
 226        tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 227
 228        hdr = (struct ieee80211_hdr *)tmp_buf;
 229        fc = le16_to_cpu(hdr->frame_control);
 230        type = WLAN_FC_GET_TYPE(hdr->frame_control);
 231        praddr = hdr->addr1;
 232        psaddr = ieee80211_get_SA(hdr);
 233        memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
 234
 235        packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
 236             (ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
 237                                  hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
 238                                  hdr->addr2 : hdr->addr3)) &&
 239                                  (!pstatus->hwerror) &&
 240                                  (!pstatus->crc) && (!pstatus->icv));
 241
 242        packet_toself = packet_matchbssid &&
 243            (ether_addr_equal(praddr, rtlefuse->dev_addr));
 244
 245        /* YP: packet_beacon is not initialized,
 246         * this assignment is neccesary,
 247         * otherwise it counld be true in this case
 248         * the situation is much worse in Kernel 3.10
 249         */
 250        if (ieee80211_is_beacon(hdr->frame_control))
 251                packet_beacon = true;
 252        else
 253                packet_beacon = false;
 254
 255        if (packet_beacon && packet_matchbssid)
 256                rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
 257
 258        _rtl8723be_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 259                                     packet_matchbssid,
 260                                     packet_toself,
 261                                     packet_beacon);
 262
 263        rtl_process_phyinfo(hw, tmp_buf, pstatus);
 264}
 265
 266static void _rtl8723be_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 267                                        u8 *virtualaddress)
 268{
 269        u32 dwtmp = 0;
 270        memset(virtualaddress, 0, 8);
 271
 272        SET_EARLYMODE_PKTNUM(virtualaddress, ptcb_desc->empkt_num);
 273        if (ptcb_desc->empkt_num == 1) {
 274                dwtmp = ptcb_desc->empkt_len[0];
 275        } else {
 276                dwtmp = ptcb_desc->empkt_len[0];
 277                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 278                dwtmp += ptcb_desc->empkt_len[1];
 279        }
 280        SET_EARLYMODE_LEN0(virtualaddress, dwtmp);
 281
 282        if (ptcb_desc->empkt_num <= 3) {
 283                dwtmp = ptcb_desc->empkt_len[2];
 284        } else {
 285                dwtmp = ptcb_desc->empkt_len[2];
 286                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 287                dwtmp += ptcb_desc->empkt_len[3];
 288        }
 289        SET_EARLYMODE_LEN1(virtualaddress, dwtmp);
 290        if (ptcb_desc->empkt_num <= 5) {
 291                dwtmp = ptcb_desc->empkt_len[4];
 292        } else {
 293                dwtmp = ptcb_desc->empkt_len[4];
 294                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 295                dwtmp += ptcb_desc->empkt_len[5];
 296        }
 297        SET_EARLYMODE_LEN2_1(virtualaddress, dwtmp & 0xF);
 298        SET_EARLYMODE_LEN2_2(virtualaddress, dwtmp >> 4);
 299        if (ptcb_desc->empkt_num <= 7) {
 300                dwtmp = ptcb_desc->empkt_len[6];
 301        } else {
 302                dwtmp = ptcb_desc->empkt_len[6];
 303                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 304                dwtmp += ptcb_desc->empkt_len[7];
 305        }
 306        SET_EARLYMODE_LEN3(virtualaddress, dwtmp);
 307        if (ptcb_desc->empkt_num <= 9) {
 308                dwtmp = ptcb_desc->empkt_len[8];
 309        } else {
 310                dwtmp = ptcb_desc->empkt_len[8];
 311                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0) + 4;
 312                dwtmp += ptcb_desc->empkt_len[9];
 313        }
 314        SET_EARLYMODE_LEN4(virtualaddress, dwtmp);
 315}
 316
 317bool rtl8723be_rx_query_desc(struct ieee80211_hw *hw,
 318                             struct rtl_stats *status,
 319                             struct ieee80211_rx_status *rx_status,
 320                             u8 *pdesc, struct sk_buff *skb)
 321{
 322        struct rtl_priv *rtlpriv = rtl_priv(hw);
 323        struct rx_fwinfo_8723be *p_drvinfo;
 324        struct ieee80211_hdr *hdr;
 325
 326        u32 phystatus = GET_RX_DESC_PHYST(pdesc);
 327
 328        status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
 329        status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
 330                                  RX_DRV_INFO_SIZE_UNIT;
 331        status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
 332        status->icv = (u16) GET_RX_DESC_ICV(pdesc);
 333        status->crc = (u16) GET_RX_DESC_CRC32(pdesc);
 334        status->hwerror = (status->crc | status->icv);
 335        status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
 336        status->rate = (u8)GET_RX_DESC_RXMCS(pdesc);
 337        status->shortpreamble = (u16)GET_RX_DESC_SPLCP(pdesc);
 338        status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
 339        status->isfirst_ampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
 340        status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
 341        status->rx_is40Mhzpacket = (bool)GET_RX_DESC_BW(pdesc);
 342        status->bandwidth = (u8)GET_RX_DESC_BW(pdesc);
 343        status->macid = GET_RX_DESC_MACID(pdesc);
 344        status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
 345
 346        status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
 347
 348        if (GET_RX_STATUS_DESC_RPT_SEL(pdesc))
 349                status->packet_report_type = C2H_PACKET;
 350        else
 351                status->packet_report_type = NORMAL_RX;
 352
 353
 354        if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
 355                status->wake_match = BIT(2);
 356        else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
 357                status->wake_match = BIT(1);
 358        else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
 359                status->wake_match = BIT(0);
 360        else
 361                status->wake_match = 0;
 362        if (status->wake_match)
 363                RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
 364                "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
 365                status->wake_match);
 366        rx_status->freq = hw->conf.chandef.chan->center_freq;
 367        rx_status->band = hw->conf.chandef.chan->band;
 368
 369        hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size +
 370                                       status->rx_bufshift);
 371
 372        if (status->crc)
 373                rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 374
 375        if (status->rx_is40Mhzpacket)
 376                rx_status->flag |= RX_FLAG_40MHZ;
 377
 378        if (status->is_ht)
 379                rx_status->flag |= RX_FLAG_HT;
 380
 381        rx_status->flag |= RX_FLAG_MACTIME_START;
 382
 383        /* hw will set status->decrypted true, if it finds the
 384         * frame is open data frame or mgmt frame.
 385         * So hw will not decryption robust managment frame
 386         * for IEEE80211w but still set status->decrypted
 387         * true, so here we should set it back to undecrypted
 388         * for IEEE80211w frame, and mac80211 sw will help
 389         * to decrypt it
 390         */
 391        if (status->decrypted) {
 392                if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
 393                    (ieee80211_has_protected(hdr->frame_control)))
 394                        rx_status->flag |= RX_FLAG_DECRYPTED;
 395                else
 396                        rx_status->flag &= ~RX_FLAG_DECRYPTED;
 397        }
 398
 399        /* rate_idx: index of data rate into band's
 400         * supported rates or MCS index if HT rates
 401         * are use (RX_FLAG_HT)
 402         */
 403        rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
 404                                                   false, status->rate);
 405
 406        rx_status->mactime = status->timestamp_low;
 407        if (phystatus) {
 408                p_drvinfo = (struct rx_fwinfo_8723be *)(skb->data +
 409                                                        status->rx_bufshift);
 410
 411                _rtl8723be_translate_rx_signal_stuff(hw, skb, status,
 412                                                     pdesc, p_drvinfo);
 413        }
 414        rx_status->signal = status->recvsignalpower + 10;
 415        if (status->packet_report_type == TX_REPORT2) {
 416                status->macid_valid_entry[0] =
 417                  GET_RX_RPT2_DESC_MACID_VALID_1(pdesc);
 418                status->macid_valid_entry[1] =
 419                  GET_RX_RPT2_DESC_MACID_VALID_2(pdesc);
 420        }
 421        return true;
 422}
 423
 424void rtl8723be_tx_fill_desc(struct ieee80211_hw *hw,
 425                            struct ieee80211_hdr *hdr, u8 *pdesc_tx,
 426                            u8 *txbd, struct ieee80211_tx_info *info,
 427                            struct ieee80211_sta *sta, struct sk_buff *skb,
 428                            u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 429{
 430        struct rtl_priv *rtlpriv = rtl_priv(hw);
 431        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 432        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 433        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 434        u8 *pdesc = (u8 *)pdesc_tx;
 435        u16 seq_number;
 436        __le16 fc = hdr->frame_control;
 437        unsigned int buf_len = 0;
 438        unsigned int skb_len = skb->len;
 439        u8 fw_qsel = _rtl8723be_map_hwqueue_to_fwqueue(skb, hw_queue);
 440        bool firstseg = ((hdr->seq_ctrl &
 441                            cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 442        bool lastseg = ((hdr->frame_control &
 443                           cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 444        dma_addr_t mapping;
 445        u8 bw_40 = 0;
 446        u8 short_gi = 0;
 447
 448        if (mac->opmode == NL80211_IFTYPE_STATION) {
 449                bw_40 = mac->bw_40;
 450        } else if (mac->opmode == NL80211_IFTYPE_AP ||
 451                mac->opmode == NL80211_IFTYPE_ADHOC) {
 452                if (sta)
 453                        bw_40 = sta->ht_cap.cap &
 454                                IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 455        }
 456        seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 457        rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 458        /* reserve 8 byte for AMPDU early mode */
 459        if (rtlhal->earlymode_enable) {
 460                skb_push(skb, EM_HDR_LEN);
 461                memset(skb->data, 0, EM_HDR_LEN);
 462        }
 463        buf_len = skb->len;
 464        mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 465                                 PCI_DMA_TODEVICE);
 466        if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 467                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "DMA mapping error");
 468                return;
 469        }
 470        CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8723be));
 471        if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 472                firstseg = true;
 473                lastseg = true;
 474        }
 475        if (firstseg) {
 476                if (rtlhal->earlymode_enable) {
 477                        SET_TX_DESC_PKT_OFFSET(pdesc, 1);
 478                        SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN +
 479                                           EM_HDR_LEN);
 480                        if (ptcb_desc->empkt_num) {
 481                                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 482                                         "Insert 8 byte.pTcb->EMPktNum:%d\n",
 483                                          ptcb_desc->empkt_num);
 484                                _rtl8723be_insert_emcontent(ptcb_desc,
 485                                                            (u8 *)(skb->data));
 486                        }
 487                } else {
 488                        SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 489                }
 490
 491                /* ptcb_desc->use_driver_rate = true; */
 492                SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
 493                if (ptcb_desc->hw_rate > DESC92C_RATEMCS0)
 494                        short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
 495                else
 496                        short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
 497
 498                SET_TX_DESC_DATA_SHORTGI(pdesc, short_gi);
 499
 500                if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 501                        SET_TX_DESC_AGG_ENABLE(pdesc, 1);
 502                        SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
 503                }
 504                SET_TX_DESC_SEQ(pdesc, seq_number);
 505                SET_TX_DESC_RTS_ENABLE(pdesc, ((ptcb_desc->rts_enable &&
 506                                                !ptcb_desc->cts_enable) ?
 507                                                1 : 0));
 508                SET_TX_DESC_HW_RTS_ENABLE(pdesc, 0);
 509                SET_TX_DESC_CTS2SELF(pdesc, ((ptcb_desc->cts_enable) ?
 510                                              1 : 0));
 511
 512                SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
 513
 514                SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
 515                SET_TX_DESC_RTS_SHORT(pdesc,
 516                        ((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
 517                         (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
 518                         (ptcb_desc->rts_use_shortgi ? 1 : 0)));
 519
 520                if (ptcb_desc->tx_enable_sw_calc_duration)
 521                        SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
 522
 523                if (bw_40) {
 524                        if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 525                                SET_TX_DESC_DATA_BW(pdesc, 1);
 526                                SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
 527                        } else {
 528                                SET_TX_DESC_DATA_BW(pdesc, 0);
 529                                SET_TX_DESC_TX_SUB_CARRIER(pdesc, mac->cur_40_prime_sc);
 530                        }
 531                } else {
 532                        SET_TX_DESC_DATA_BW(pdesc, 0);
 533                        SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
 534                }
 535
 536                SET_TX_DESC_LINIP(pdesc, 0);
 537                SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
 538                if (sta) {
 539                        u8 ampdu_density = sta->ht_cap.ampdu_density;
 540                        SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
 541                }
 542                if (info->control.hw_key) {
 543                        struct ieee80211_key_conf *keyconf =
 544                                                info->control.hw_key;
 545                        switch (keyconf->cipher) {
 546                        case WLAN_CIPHER_SUITE_WEP40:
 547                        case WLAN_CIPHER_SUITE_WEP104:
 548                        case WLAN_CIPHER_SUITE_TKIP:
 549                                SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
 550                                break;
 551                        case WLAN_CIPHER_SUITE_CCMP:
 552                                SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
 553                                break;
 554                        default:
 555                                SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
 556                                break;
 557                        }
 558                }
 559
 560                SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
 561                SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
 562                SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
 563                SET_TX_DESC_DISABLE_FB(pdesc, ptcb_desc->disable_ratefallback ?
 564                                              1 : 0);
 565                SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 566
 567                /* Set TxRate and RTSRate in TxDesc  */
 568                /* This prevent Tx initial rate of new-coming packets */
 569                /* from being overwritten by retried  packet rate.*/
 570                if (ieee80211_is_data_qos(fc)) {
 571                        if (mac->rdg_en) {
 572                                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 573                                         "Enable RDG function.\n");
 574                                SET_TX_DESC_RDG_ENABLE(pdesc, 1);
 575                                SET_TX_DESC_HTC(pdesc, 1);
 576                        }
 577                }
 578        }
 579
 580        SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
 581        SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
 582        SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) buf_len);
 583        SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 584        /* if (rtlpriv->dm.useramask) { */
 585        if (1) {
 586                SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
 587                SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 588        } else {
 589                SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
 590                SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
 591        }
 592        if (!ieee80211_is_data_qos(fc))  {
 593                SET_TX_DESC_HWSEQ_EN(pdesc, 1);
 594                SET_TX_DESC_HWSEQ_SEL(pdesc, 0);
 595        }
 596        SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
 597        if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 598            is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 599                SET_TX_DESC_BMC(pdesc, 1);
 600        }
 601
 602        RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 603}
 604
 605void rtl8723be_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
 606                               bool firstseg, bool lastseg,
 607                               struct sk_buff *skb)
 608{
 609        struct rtl_priv *rtlpriv = rtl_priv(hw);
 610        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 611        u8 fw_queue = QSLT_BEACON;
 612
 613        dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 614                                            skb->data, skb->len,
 615                                            PCI_DMA_TODEVICE);
 616
 617        if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 618                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 619                         "DMA mapping error");
 620                return;
 621        }
 622        CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
 623
 624        SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
 625
 626        SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
 627
 628        SET_TX_DESC_SEQ(pdesc, 0);
 629
 630        SET_TX_DESC_LINIP(pdesc, 0);
 631
 632        SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
 633
 634        SET_TX_DESC_FIRST_SEG(pdesc, 1);
 635        SET_TX_DESC_LAST_SEG(pdesc, 1);
 636
 637        SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16)(skb->len));
 638
 639        SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
 640
 641        SET_TX_DESC_RATE_ID(pdesc, 0);
 642        SET_TX_DESC_MACID(pdesc, 0);
 643
 644        SET_TX_DESC_OWN(pdesc, 1);
 645
 646        SET_TX_DESC_PKT_SIZE((u8 *)pdesc, (u16)(skb->len));
 647
 648        SET_TX_DESC_FIRST_SEG(pdesc, 1);
 649        SET_TX_DESC_LAST_SEG(pdesc, 1);
 650
 651        SET_TX_DESC_USE_RATE(pdesc, 1);
 652
 653        RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 654                      "H2C Tx Cmd Content\n", pdesc, TX_DESC_SIZE);
 655}
 656
 657void rtl8723be_set_desc(struct ieee80211_hw *hw, u8 *pdesc,
 658                        bool istx, u8 desc_name, u8 *val)
 659{
 660        if (istx) {
 661                switch (desc_name) {
 662                case HW_DESC_OWN:
 663                        SET_TX_DESC_OWN(pdesc, 1);
 664                        break;
 665                case HW_DESC_TX_NEXTDESC_ADDR:
 666                        SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *)val);
 667                        break;
 668                default:
 669                        RT_ASSERT(false, "ERR txdesc :%d not process\n",
 670                                          desc_name);
 671                        break;
 672                }
 673        } else {
 674                switch (desc_name) {
 675                case HW_DESC_RXOWN:
 676                        SET_RX_DESC_OWN(pdesc, 1);
 677                        break;
 678                case HW_DESC_RXBUFF_ADDR:
 679                        SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *)val);
 680                        break;
 681                case HW_DESC_RXPKT_LEN:
 682                        SET_RX_DESC_PKT_LEN(pdesc, *(u32 *)val);
 683                        break;
 684                case HW_DESC_RXERO:
 685                        SET_RX_DESC_EOR(pdesc, 1);
 686                        break;
 687                default:
 688                        RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 689                                          desc_name);
 690                        break;
 691                }
 692        }
 693}
 694
 695u32 rtl8723be_get_desc(u8 *pdesc, bool istx, u8 desc_name)
 696{
 697        u32 ret = 0;
 698
 699        if (istx) {
 700                switch (desc_name) {
 701                case HW_DESC_OWN:
 702                        ret = GET_TX_DESC_OWN(pdesc);
 703                        break;
 704                case HW_DESC_TXBUFF_ADDR:
 705                        ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
 706                        break;
 707                default:
 708                        RT_ASSERT(false, "ERR txdesc :%d not process\n",
 709                                          desc_name);
 710                        break;
 711                }
 712        } else {
 713                switch (desc_name) {
 714                case HW_DESC_OWN:
 715                        ret = GET_RX_DESC_OWN(pdesc);
 716                        break;
 717                case HW_DESC_RXPKT_LEN:
 718                        ret = GET_RX_DESC_PKT_LEN(pdesc);
 719                        break;
 720                case HW_DESC_RXBUFF_ADDR:
 721                        ret = GET_RX_DESC_BUFF_ADDR(pdesc);
 722                        break;
 723                default:
 724                        RT_ASSERT(false, "ERR rxdesc :%d not process\n",
 725                                  desc_name);
 726                        break;
 727                }
 728        }
 729        return ret;
 730}
 731
 732bool rtl8723be_is_tx_desc_closed(struct ieee80211_hw *hw,
 733                                 u8 hw_queue, u16 index)
 734{
 735        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 736        struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 737        u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 738        u8 own = (u8)rtl8723be_get_desc(entry, true, HW_DESC_OWN);
 739
 740        /*beacon packet will only use the first
 741         *descriptor defautly,and the own may not
 742         *be cleared by the hardware
 743         */
 744        if (own)
 745                return false;
 746        return true;
 747}
 748
 749void rtl8723be_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 750{
 751        struct rtl_priv *rtlpriv = rtl_priv(hw);
 752        if (hw_queue == BEACON_QUEUE) {
 753                rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 754        } else {
 755                rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 756                               BIT(0) << (hw_queue));
 757        }
 758}
 759
 760u32 rtl8723be_rx_command_packet(struct ieee80211_hw *hw,
 761                                const struct rtl_stats *status,
 762                                struct sk_buff *skb)
 763{
 764        u32 result = 0;
 765        struct rtl_priv *rtlpriv = rtl_priv(hw);
 766
 767        switch (status->packet_report_type) {
 768        case NORMAL_RX:
 769                        result = 0;
 770                        break;
 771        case C2H_PACKET:
 772                        rtl8723be_c2h_packet_handler(hw, skb->data,
 773                                                     (u8)skb->len);
 774                        result = 1;
 775                        break;
 776        default:
 777                        RT_TRACE(rtlpriv, COMP_RECV, DBG_TRACE,
 778                                 "No this packet type!!\n");
 779                        break;
 780        }
 781
 782        return result;
 783}
 784