linux/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/trx.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/* Copyright(c) 2009-2010  Realtek Corporation.*/
   3
   4#include "../wifi.h"
   5#include "../pci.h"
   6#include "../base.h"
   7#include "../stats.h"
   8#include "reg.h"
   9#include "def.h"
  10#include "trx.h"
  11#include "led.h"
  12#include "dm.h"
  13#include "phy.h"
  14#include "fw.h"
  15
  16static u8 _rtl8821ae_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
  17{
  18        __le16 fc = rtl_get_fc(skb);
  19
  20        if (unlikely(ieee80211_is_beacon(fc)))
  21                return QSLT_BEACON;
  22        if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
  23                return QSLT_MGNT;
  24
  25        return skb->priority;
  26}
  27
  28static u16 odm_cfo(s8 value)
  29{
  30        int ret_val;
  31
  32        if (value < 0) {
  33                ret_val = 0 - value;
  34                ret_val = (ret_val << 1) + (ret_val >> 1);
  35                /* set bit12 as 1 for negative cfo */
  36                ret_val = ret_val | BIT(12);
  37        } else {
  38                ret_val = value;
  39                ret_val = (ret_val << 1) + (ret_val >> 1);
  40        }
  41        return ret_val;
  42}
  43
  44static u8 _rtl8821ae_evm_dbm_jaguar(s8 value)
  45{
  46        s8 ret_val = value;
  47
  48        /* -33dB~0dB to 33dB ~ 0dB*/
  49        if (ret_val == -128)
  50                ret_val = 127;
  51        else if (ret_val < 0)
  52                ret_val = 0 - ret_val;
  53
  54        ret_val  = ret_val >> 1;
  55        return ret_val;
  56}
  57
  58static void query_rxphystatus(struct ieee80211_hw *hw,
  59                              struct rtl_stats *pstatus, __le32 *pdesc,
  60                              struct rx_fwinfo_8821ae *p_drvinfo,
  61                              bool bpacket_match_bssid,
  62                              bool bpacket_toself, bool packet_beacon)
  63{
  64        struct rtl_priv *rtlpriv = rtl_priv(hw);
  65        struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo;
  66        struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
  67        struct rtl_phy *rtlphy = &rtlpriv->phy;
  68        s8 rx_pwr_all = 0, rx_pwr[4];
  69        u8 rf_rx_num = 0, evm, evmdbm, pwdb_all;
  70        u8 i, max_spatial_stream;
  71        u32 rssi, total_rssi = 0;
  72        bool is_cck = pstatus->is_cck;
  73        u8 lan_idx, vga_idx;
  74
  75        /* Record it for next packet processing */
  76        pstatus->packet_matchbssid = bpacket_match_bssid;
  77        pstatus->packet_toself = bpacket_toself;
  78        pstatus->packet_beacon = packet_beacon;
  79        pstatus->rx_mimo_signalquality[0] = -1;
  80        pstatus->rx_mimo_signalquality[1] = -1;
  81
  82        if (is_cck) {
  83                u8 cck_highpwr;
  84                u8 cck_agc_rpt;
  85
  86                cck_agc_rpt = p_phystrpt->cfosho[0];
  87
  88                /* (1)Hardware does not provide RSSI for CCK
  89                 * (2)PWDB, Average PWDB cacluated by
  90                 * hardware (for rate adaptive)
  91                 */
  92                cck_highpwr = (u8)rtlphy->cck_high_power;
  93
  94                lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
  95                vga_idx = (cck_agc_rpt & 0x1f);
  96                if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE) {
  97                        switch (lan_idx) {
  98                        case 7:
  99                                if (vga_idx <= 27)
 100                                        /*VGA_idx = 27~2*/
 101                                        rx_pwr_all = -100 + 2*(27-vga_idx);
 102                                else
 103                                        rx_pwr_all = -100;
 104                                break;
 105                        case 6:
 106                                /*VGA_idx = 2~0*/
 107                                rx_pwr_all = -48 + 2*(2-vga_idx);
 108                                break;
 109                        case 5:
 110                                /*VGA_idx = 7~5*/
 111                                rx_pwr_all = -42 + 2*(7-vga_idx);
 112                                break;
 113                        case 4:
 114                                /*VGA_idx = 7~4*/
 115                                rx_pwr_all = -36 + 2*(7-vga_idx);
 116                                break;
 117                        case 3:
 118                                /*VGA_idx = 7~0*/
 119                                rx_pwr_all = -24 + 2*(7-vga_idx);
 120                                break;
 121                        case 2:
 122                                if (cck_highpwr)
 123                                        /*VGA_idx = 5~0*/
 124                                        rx_pwr_all = -12 + 2*(5-vga_idx);
 125                                else
 126                                        rx_pwr_all = -6 + 2*(5-vga_idx);
 127                                break;
 128                        case 1:
 129                                rx_pwr_all = 8-2*vga_idx;
 130                                break;
 131                        case 0:
 132                                rx_pwr_all = 14-2*vga_idx;
 133                                break;
 134                        default:
 135                                break;
 136                        }
 137                        rx_pwr_all += 6;
 138                        pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 139                        if (!cck_highpwr) {
 140                                if (pwdb_all >= 80)
 141                                        pwdb_all =
 142                                          ((pwdb_all - 80)<<1) +
 143                                         ((pwdb_all - 80)>>1) + 80;
 144                                else if ((pwdb_all <= 78) && (pwdb_all >= 20))
 145                                        pwdb_all += 3;
 146                                if (pwdb_all > 100)
 147                                        pwdb_all = 100;
 148                        }
 149                } else { /* 8821 */
 150                        s8 pout = -6;
 151
 152                        switch (lan_idx) {
 153                        case 5:
 154                                rx_pwr_all = pout - 32 - (2*vga_idx);
 155                                        break;
 156                        case 4:
 157                                rx_pwr_all = pout - 24 - (2*vga_idx);
 158                                        break;
 159                        case 2:
 160                                rx_pwr_all = pout - 11 - (2*vga_idx);
 161                                        break;
 162                        case 1:
 163                                rx_pwr_all = pout + 5 - (2*vga_idx);
 164                                        break;
 165                        case 0:
 166                                rx_pwr_all = pout + 21 - (2*vga_idx);
 167                                        break;
 168                        }
 169                        pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 170                }
 171
 172                pstatus->rx_pwdb_all = pwdb_all;
 173                pstatus->recvsignalpower = rx_pwr_all;
 174
 175                /* (3) Get Signal Quality (EVM) */
 176                if (bpacket_match_bssid) {
 177                        u8 sq;
 178
 179                        if (pstatus->rx_pwdb_all > 40) {
 180                                sq = 100;
 181                        } else {
 182                                sq = p_phystrpt->pwdb_all;
 183                                if (sq > 64)
 184                                        sq = 0;
 185                                else if (sq < 20)
 186                                        sq = 100;
 187                                else
 188                                        sq = ((64 - sq) * 100) / 44;
 189                        }
 190
 191                        pstatus->signalquality = sq;
 192                        pstatus->rx_mimo_signalquality[0] = sq;
 193                        pstatus->rx_mimo_signalquality[1] = -1;
 194                }
 195        } else {
 196                /* (1)Get RSSI for HT rate */
 197                for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
 198                        /* we will judge RF RX path now. */
 199                        if (rtlpriv->dm.rfpath_rxenable[i])
 200                                rf_rx_num++;
 201
 202                        rx_pwr[i] = (p_phystrpt->gain_trsw[i] & 0x7f) - 110;
 203
 204                        /* Translate DBM to percentage. */
 205                        rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
 206                        total_rssi += rssi;
 207
 208                        /* Get Rx snr value in DB */
 209                        pstatus->rx_snr[i] = p_phystrpt->rxsnr[i] / 2;
 210                        rtlpriv->stats.rx_snr_db[i] = p_phystrpt->rxsnr[i] / 2;
 211
 212                        pstatus->cfo_short[i] = odm_cfo(p_phystrpt->cfosho[i]);
 213                        pstatus->cfo_tail[i] = odm_cfo(p_phystrpt->cfotail[i]);
 214                        /* Record Signal Strength for next packet */
 215                        pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
 216                }
 217
 218                /* (2)PWDB, Average PWDB cacluated by
 219                 * hardware (for rate adaptive)
 220                 */
 221                rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
 222
 223                pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
 224                pstatus->rx_pwdb_all = pwdb_all;
 225                pstatus->rxpower = rx_pwr_all;
 226                pstatus->recvsignalpower = rx_pwr_all;
 227
 228                /* (3)EVM of HT rate */
 229                if ((pstatus->is_ht && pstatus->rate >= DESC_RATEMCS8 &&
 230                     pstatus->rate <= DESC_RATEMCS15) ||
 231                    (pstatus->is_vht &&
 232                     pstatus->rate >= DESC_RATEVHT2SS_MCS0 &&
 233                     pstatus->rate <= DESC_RATEVHT2SS_MCS9))
 234                        max_spatial_stream = 2;
 235                else
 236                        max_spatial_stream = 1;
 237
 238                for (i = 0; i < max_spatial_stream; i++) {
 239                        evm = rtl_evm_db_to_percentage(p_phystrpt->rxevm[i]);
 240                        evmdbm = _rtl8821ae_evm_dbm_jaguar(p_phystrpt->rxevm[i]);
 241
 242                        if (bpacket_match_bssid) {
 243                                /* Fill value in RFD, Get the first
 244                                 * spatial stream only
 245                                 */
 246                                if (i == 0)
 247                                        pstatus->signalquality = evm;
 248                                pstatus->rx_mimo_signalquality[i] = evm;
 249                                pstatus->rx_mimo_evm_dbm[i] = evmdbm;
 250                        }
 251                }
 252                if (bpacket_match_bssid) {
 253                        for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
 254                                rtl_priv(hw)->dm.cfo_tail[i] =
 255                                        (s8)p_phystrpt->cfotail[i];
 256
 257                        rtl_priv(hw)->dm.packet_count++;
 258                }
 259        }
 260
 261        /* UI BSS List signal strength(in percentage),
 262         * make it good looking, from 0~100.
 263         */
 264        if (is_cck)
 265                pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 266                        pwdb_all));
 267        else if (rf_rx_num != 0)
 268                pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
 269                        total_rssi /= rf_rx_num));
 270        /*HW antenna diversity*/
 271        rtldm->fat_table.antsel_rx_keep_0 = p_phystrpt->antidx_anta;
 272        rtldm->fat_table.antsel_rx_keep_1 = p_phystrpt->antidx_antb;
 273}
 274
 275static void translate_rx_signal_stuff(struct ieee80211_hw *hw,
 276                                      struct sk_buff *skb,
 277                                      struct rtl_stats *pstatus, __le32 *pdesc,
 278                                      struct rx_fwinfo_8821ae *p_drvinfo)
 279{
 280        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 281        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 282        struct ieee80211_hdr *hdr;
 283        u8 *tmp_buf;
 284        u8 *praddr;
 285        u8 *psaddr;
 286        __le16 fc;
 287        bool packet_matchbssid, packet_toself, packet_beacon;
 288
 289        tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
 290
 291        hdr = (struct ieee80211_hdr *)tmp_buf;
 292        fc = hdr->frame_control;
 293        praddr = hdr->addr1;
 294        psaddr = ieee80211_get_SA(hdr);
 295        ether_addr_copy(pstatus->psaddr, psaddr);
 296
 297        packet_matchbssid = (!ieee80211_is_ctl(fc) &&
 298                             (ether_addr_equal(mac->bssid,
 299                                               ieee80211_has_tods(fc) ?
 300                                               hdr->addr1 :
 301                                               ieee80211_has_fromds(fc) ?
 302                                               hdr->addr2 : hdr->addr3)) &&
 303                              (!pstatus->hwerror) &&
 304                              (!pstatus->crc) && (!pstatus->icv));
 305
 306        packet_toself = packet_matchbssid &&
 307            (ether_addr_equal(praddr, rtlefuse->dev_addr));
 308
 309        if (ieee80211_is_beacon(hdr->frame_control))
 310                packet_beacon = true;
 311        else
 312                packet_beacon = false;
 313
 314        if (packet_beacon && packet_matchbssid)
 315                rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;
 316
 317        if (packet_matchbssid &&
 318            ieee80211_is_data_qos(hdr->frame_control) &&
 319            !is_multicast_ether_addr(ieee80211_get_DA(hdr))) {
 320                struct ieee80211_qos_hdr *hdr_qos =
 321                        (struct ieee80211_qos_hdr *)tmp_buf;
 322                u16 tid = le16_to_cpu(hdr_qos->qos_ctrl) & 0xf;
 323
 324                if (tid != 0 && tid != 3)
 325                        rtl_priv(hw)->dm.dbginfo.num_non_be_pkt++;
 326        }
 327
 328        query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
 329                          packet_matchbssid, packet_toself,
 330                          packet_beacon);
 331        /*_rtl8821ae_smart_antenna(hw, pstatus); */
 332        rtl_process_phyinfo(hw, tmp_buf, pstatus);
 333}
 334
 335static void rtl8821ae_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
 336                                       __le32 *virtualaddress)
 337{
 338        u32 dwtmp = 0;
 339
 340        memset(virtualaddress, 0, 8);
 341
 342        set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num);
 343        if (ptcb_desc->empkt_num == 1) {
 344                dwtmp = ptcb_desc->empkt_len[0];
 345        } else {
 346                dwtmp = ptcb_desc->empkt_len[0];
 347                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;
 348                dwtmp += ptcb_desc->empkt_len[1];
 349        }
 350        set_earlymode_len0(virtualaddress, dwtmp);
 351
 352        if (ptcb_desc->empkt_num <= 3) {
 353                dwtmp = ptcb_desc->empkt_len[2];
 354        } else {
 355                dwtmp = ptcb_desc->empkt_len[2];
 356                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;
 357                dwtmp += ptcb_desc->empkt_len[3];
 358        }
 359        set_earlymode_len1(virtualaddress, dwtmp);
 360        if (ptcb_desc->empkt_num <= 5) {
 361                dwtmp = ptcb_desc->empkt_len[4];
 362        } else {
 363                dwtmp = ptcb_desc->empkt_len[4];
 364                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;
 365                dwtmp += ptcb_desc->empkt_len[5];
 366        }
 367        set_earlymode_len2_1(virtualaddress, dwtmp & 0xF);
 368        set_earlymode_len2_2(virtualaddress, dwtmp >> 4);
 369        if (ptcb_desc->empkt_num <= 7) {
 370                dwtmp = ptcb_desc->empkt_len[6];
 371        } else {
 372                dwtmp = ptcb_desc->empkt_len[6];
 373                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;
 374                dwtmp += ptcb_desc->empkt_len[7];
 375        }
 376        set_earlymode_len3(virtualaddress, dwtmp);
 377        if (ptcb_desc->empkt_num <= 9) {
 378                dwtmp = ptcb_desc->empkt_len[8];
 379        } else {
 380                dwtmp = ptcb_desc->empkt_len[8];
 381                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;
 382                dwtmp += ptcb_desc->empkt_len[9];
 383        }
 384        set_earlymode_len4(virtualaddress, dwtmp);
 385}
 386
 387static bool rtl8821ae_get_rxdesc_is_ht(struct ieee80211_hw *hw, __le32 *pdesc)
 388{
 389        struct rtl_priv *rtlpriv = rtl_priv(hw);
 390        u8 rx_rate = 0;
 391
 392        rx_rate = get_rx_desc_rxmcs(pdesc);
 393
 394        RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate);
 395
 396        if ((rx_rate >= DESC_RATEMCS0) && (rx_rate <= DESC_RATEMCS15))
 397                return true;
 398        return false;
 399}
 400
 401static bool rtl8821ae_get_rxdesc_is_vht(struct ieee80211_hw *hw, __le32 *pdesc)
 402{
 403        struct rtl_priv *rtlpriv = rtl_priv(hw);
 404        u8 rx_rate = 0;
 405
 406        rx_rate = get_rx_desc_rxmcs(pdesc);
 407
 408        RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate);
 409
 410        if (rx_rate >= DESC_RATEVHT1SS_MCS0)
 411                return true;
 412        return false;
 413}
 414
 415static u8 rtl8821ae_get_rx_vht_nss(struct ieee80211_hw *hw, __le32 *pdesc)
 416{
 417        u8 rx_rate = 0;
 418        u8 vht_nss = 0;
 419
 420        rx_rate = get_rx_desc_rxmcs(pdesc);
 421        if ((rx_rate >= DESC_RATEVHT1SS_MCS0) &&
 422            (rx_rate <= DESC_RATEVHT1SS_MCS9))
 423                vht_nss = 1;
 424        else if ((rx_rate >= DESC_RATEVHT2SS_MCS0) &&
 425                 (rx_rate <= DESC_RATEVHT2SS_MCS9))
 426                vht_nss = 2;
 427
 428        return vht_nss;
 429}
 430
 431bool rtl8821ae_rx_query_desc(struct ieee80211_hw *hw,
 432                             struct rtl_stats *status,
 433                             struct ieee80211_rx_status *rx_status,
 434                             u8 *pdesc8, struct sk_buff *skb)
 435{
 436        struct rtl_priv *rtlpriv = rtl_priv(hw);
 437        struct rx_fwinfo_8821ae *p_drvinfo;
 438        struct ieee80211_hdr *hdr;
 439        u8 wake_match;
 440        __le32 *pdesc = (__le32 *)pdesc8;
 441        u32 phystatus = get_rx_desc_physt(pdesc);
 442
 443        status->length = (u16)get_rx_desc_pkt_len(pdesc);
 444        status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) *
 445            RX_DRV_INFO_SIZE_UNIT;
 446        status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03);
 447        status->icv = (u16)get_rx_desc_icv(pdesc);
 448        status->crc = (u16)get_rx_desc_crc32(pdesc);
 449        status->hwerror = (status->crc | status->icv);
 450        status->decrypted = !get_rx_desc_swdec(pdesc);
 451        status->rate = (u8)get_rx_desc_rxmcs(pdesc);
 452        status->shortpreamble = (u16)get_rx_desc_splcp(pdesc);
 453        status->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
 454        status->isfirst_ampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
 455        status->timestamp_low = get_rx_desc_tsfl(pdesc);
 456        status->rx_packet_bw = get_rx_desc_bw(pdesc);
 457        status->macid = get_rx_desc_macid(pdesc);
 458        status->is_short_gi = !(bool)get_rx_desc_splcp(pdesc);
 459        status->is_ht = rtl8821ae_get_rxdesc_is_ht(hw, pdesc);
 460        status->is_vht = rtl8821ae_get_rxdesc_is_vht(hw, pdesc);
 461        status->vht_nss = rtl8821ae_get_rx_vht_nss(hw, pdesc);
 462        status->is_cck = RTL8821AE_RX_HAL_IS_CCK_RATE(status->rate);
 463
 464        RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
 465                 "rx_packet_bw=%s,is_ht %d, is_vht %d, vht_nss=%d,is_short_gi %d.\n",
 466                 (status->rx_packet_bw == 2) ? "80M" :
 467                 (status->rx_packet_bw == 1) ? "40M" : "20M",
 468                 status->is_ht, status->is_vht, status->vht_nss,
 469                 status->is_short_gi);
 470
 471        if (get_rx_status_desc_rpt_sel(pdesc))
 472                status->packet_report_type = C2H_PACKET;
 473        else
 474                status->packet_report_type = NORMAL_RX;
 475
 476        if (get_rx_status_desc_pattern_match(pdesc))
 477                wake_match = BIT(2);
 478        else if (get_rx_status_desc_magic_match(pdesc))
 479                wake_match = BIT(1);
 480        else if (get_rx_status_desc_unicast_match(pdesc))
 481                wake_match = BIT(0);
 482        else
 483                wake_match = 0;
 484
 485        if (wake_match)
 486                RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
 487                         "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
 488                         wake_match);
 489        rx_status->freq = hw->conf.chandef.chan->center_freq;
 490        rx_status->band = hw->conf.chandef.chan->band;
 491
 492        hdr = (struct ieee80211_hdr *)(skb->data +
 493              status->rx_drvinfo_size + status->rx_bufshift);
 494
 495        if (status->crc)
 496                rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 497
 498        if (status->rx_packet_bw == HT_CHANNEL_WIDTH_20_40)
 499                rx_status->bw = RATE_INFO_BW_40;
 500        else if (status->rx_packet_bw == HT_CHANNEL_WIDTH_80)
 501                rx_status->bw = RATE_INFO_BW_80;
 502        if (status->is_ht)
 503                rx_status->encoding = RX_ENC_HT;
 504        if (status->is_vht)
 505                rx_status->encoding = RX_ENC_VHT;
 506
 507        if (status->is_short_gi)
 508                rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
 509
 510        rx_status->nss = status->vht_nss;
 511        rx_status->flag |= RX_FLAG_MACTIME_START;
 512
 513        /* hw will set status->decrypted true, if it finds the
 514         * frame is open data frame or mgmt frame.
 515         * So hw will not decryption robust managment frame
 516         * for IEEE80211w but still set status->decrypted
 517         * true, so here we should set it back to undecrypted
 518         * for IEEE80211w frame, and mac80211 sw will help
 519         * to decrypt it
 520         */
 521        if (status->decrypted) {
 522                if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
 523                    (ieee80211_has_protected(hdr->frame_control)))
 524                        rx_status->flag |= RX_FLAG_DECRYPTED;
 525                else
 526                        rx_status->flag &= ~RX_FLAG_DECRYPTED;
 527        }
 528
 529        /* rate_idx: index of data rate into band's
 530         * supported rates or MCS index if HT rates
 531         * are use (RX_FLAG_HT)
 532         */
 533        rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
 534                                                   status->is_vht,
 535                                                   status->rate);
 536
 537        rx_status->mactime = status->timestamp_low;
 538        if (phystatus) {
 539                p_drvinfo = (struct rx_fwinfo_8821ae *)(skb->data +
 540                            status->rx_bufshift);
 541
 542                translate_rx_signal_stuff(hw, skb, status, pdesc, p_drvinfo);
 543        }
 544        rx_status->signal = status->recvsignalpower + 10;
 545        if (status->packet_report_type == TX_REPORT2) {
 546                status->macid_valid_entry[0] =
 547                  get_rx_rpt2_desc_macid_valid_1(pdesc);
 548                status->macid_valid_entry[1] =
 549                  get_rx_rpt2_desc_macid_valid_2(pdesc);
 550        }
 551        return true;
 552}
 553
 554static u8 rtl8821ae_bw_mapping(struct ieee80211_hw *hw,
 555                               struct rtl_tcb_desc *ptcb_desc)
 556{
 557        struct rtl_priv *rtlpriv = rtl_priv(hw);
 558        struct rtl_phy *rtlphy = &rtlpriv->phy;
 559        u8 bw_setting_of_desc = 0;
 560
 561        RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 562                 "rtl8821ae_bw_mapping, current_chan_bw %d, packet_bw %d\n",
 563                 rtlphy->current_chan_bw, ptcb_desc->packet_bw);
 564
 565        if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
 566                if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80)
 567                        bw_setting_of_desc = 2;
 568                else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40)
 569                        bw_setting_of_desc = 1;
 570                else
 571                        bw_setting_of_desc = 0;
 572        } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
 573                if ((ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) ||
 574                    (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80))
 575                        bw_setting_of_desc = 1;
 576                else
 577                        bw_setting_of_desc = 0;
 578        } else {
 579                bw_setting_of_desc = 0;
 580        }
 581        return bw_setting_of_desc;
 582}
 583
 584static u8 rtl8821ae_sc_mapping(struct ieee80211_hw *hw,
 585                               struct rtl_tcb_desc *ptcb_desc)
 586{
 587        struct rtl_priv *rtlpriv = rtl_priv(hw);
 588        struct rtl_phy *rtlphy = &rtlpriv->phy;
 589        struct rtl_mac *mac = rtl_mac(rtlpriv);
 590        u8 sc_setting_of_desc = 0;
 591
 592        if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
 593                if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80) {
 594                        sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
 595                } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 596                        if (mac->cur_80_prime_sc ==
 597                            HAL_PRIME_CHNL_OFFSET_LOWER)
 598                                sc_setting_of_desc =
 599                                        VHT_DATA_SC_40_LOWER_OF_80MHZ;
 600                        else if (mac->cur_80_prime_sc ==
 601                                 HAL_PRIME_CHNL_OFFSET_UPPER)
 602                                sc_setting_of_desc =
 603                                        VHT_DATA_SC_40_UPPER_OF_80MHZ;
 604                        else
 605                                RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
 606                                         "rtl8821ae_sc_mapping: Not Correct Primary40MHz Setting\n");
 607                } else {
 608                        if ((mac->cur_40_prime_sc ==
 609                             HAL_PRIME_CHNL_OFFSET_LOWER) &&
 610                            (mac->cur_80_prime_sc  ==
 611                             HAL_PRIME_CHNL_OFFSET_LOWER))
 612                                sc_setting_of_desc =
 613                                        VHT_DATA_SC_20_LOWEST_OF_80MHZ;
 614                        else if ((mac->cur_40_prime_sc ==
 615                                  HAL_PRIME_CHNL_OFFSET_UPPER) &&
 616                                 (mac->cur_80_prime_sc ==
 617                                  HAL_PRIME_CHNL_OFFSET_LOWER))
 618                                sc_setting_of_desc =
 619                                        VHT_DATA_SC_20_LOWER_OF_80MHZ;
 620                        else if ((mac->cur_40_prime_sc ==
 621                                  HAL_PRIME_CHNL_OFFSET_LOWER) &&
 622                                 (mac->cur_80_prime_sc ==
 623                                  HAL_PRIME_CHNL_OFFSET_UPPER))
 624                                sc_setting_of_desc =
 625                                        VHT_DATA_SC_20_UPPER_OF_80MHZ;
 626                        else if ((mac->cur_40_prime_sc ==
 627                                  HAL_PRIME_CHNL_OFFSET_UPPER) &&
 628                                 (mac->cur_80_prime_sc ==
 629                                  HAL_PRIME_CHNL_OFFSET_UPPER))
 630                                sc_setting_of_desc =
 631                                        VHT_DATA_SC_20_UPPERST_OF_80MHZ;
 632                        else
 633                                RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD,
 634                                         "rtl8821ae_sc_mapping: Not Correct Primary40MHz Setting\n");
 635                }
 636        } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
 637                if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
 638                        sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
 639                } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20) {
 640                        if (mac->cur_40_prime_sc ==
 641                                HAL_PRIME_CHNL_OFFSET_UPPER) {
 642                                sc_setting_of_desc =
 643                                        VHT_DATA_SC_20_UPPER_OF_80MHZ;
 644                        } else if (mac->cur_40_prime_sc ==
 645                                HAL_PRIME_CHNL_OFFSET_LOWER){
 646                                sc_setting_of_desc =
 647                                        VHT_DATA_SC_20_LOWER_OF_80MHZ;
 648                        } else {
 649                                sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
 650                        }
 651                }
 652        } else {
 653                sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
 654        }
 655
 656        return sc_setting_of_desc;
 657}
 658
 659void rtl8821ae_tx_fill_desc(struct ieee80211_hw *hw,
 660                            struct ieee80211_hdr *hdr, u8 *pdesc8, u8 *txbd,
 661                            struct ieee80211_tx_info *info,
 662                            struct ieee80211_sta *sta,
 663                            struct sk_buff *skb,
 664                            u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
 665{
 666        struct rtl_priv *rtlpriv = rtl_priv(hw);
 667        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
 668        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 669        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
 670        struct rtlwifi_tx_info *tx_info = rtl_tx_skb_cb_info(skb);
 671        u16 seq_number;
 672        __le16 fc = hdr->frame_control;
 673        unsigned int buf_len = 0;
 674        unsigned int skb_len = skb->len;
 675        u8 fw_qsel = _rtl8821ae_map_hwqueue_to_fwqueue(skb, hw_queue);
 676        bool firstseg = ((hdr->seq_ctrl &
 677                          cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
 678        bool lastseg = ((hdr->frame_control &
 679                         cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
 680        dma_addr_t mapping;
 681        u8 short_gi = 0;
 682        bool tmp_bool;
 683        __le32 *pdesc = (__le32 *)pdesc8;
 684
 685        seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
 686        rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
 687        /* reserve 8 byte for AMPDU early mode */
 688        if (rtlhal->earlymode_enable) {
 689                skb_push(skb, EM_HDR_LEN);
 690                memset(skb->data, 0, EM_HDR_LEN);
 691        }
 692        buf_len = skb->len;
 693        mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
 694                                 PCI_DMA_TODEVICE);
 695        if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 696                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 697                         "DMA mapping error\n");
 698                return;
 699        }
 700        clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_8821ae));
 701        if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
 702                firstseg = true;
 703                lastseg = true;
 704        }
 705        if (firstseg) {
 706                if (rtlhal->earlymode_enable) {
 707                        set_tx_desc_pkt_offset(pdesc, 1);
 708                        set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN +
 709                                           EM_HDR_LEN);
 710                        if (ptcb_desc->empkt_num) {
 711                                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 712                                         "Insert 8 byte.pTcb->EMPktNum:%d\n",
 713                                          ptcb_desc->empkt_num);
 714                                rtl8821ae_insert_emcontent(ptcb_desc,
 715                                                           (__le32 *)skb->data);
 716                        }
 717                } else {
 718                        set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
 719                }
 720
 721
 722                /* ptcb_desc->use_driver_rate = true; */
 723                set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);
 724                if (ptcb_desc->hw_rate > DESC_RATEMCS0)
 725                        short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
 726                else
 727                        short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;
 728
 729                set_tx_desc_data_shortgi(pdesc, short_gi);
 730
 731                if (info->flags & IEEE80211_TX_CTL_AMPDU) {
 732                        set_tx_desc_agg_enable(pdesc, 1);
 733                        set_tx_desc_max_agg_num(pdesc, 0x1f);
 734                }
 735                set_tx_desc_seq(pdesc, seq_number);
 736                set_tx_desc_rts_enable(pdesc,
 737                                       ((ptcb_desc->rts_enable &&
 738                                        !ptcb_desc->cts_enable) ? 1 : 0));
 739                set_tx_desc_hw_rts_enable(pdesc, 0);
 740                set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));
 741
 742                set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);
 743                set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc);
 744                tmp_bool = ((ptcb_desc->rts_rate <= DESC_RATE54M) ?
 745                            (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
 746                            (ptcb_desc->rts_use_shortgi ? 1 : 0));
 747                set_tx_desc_rts_short(pdesc, tmp_bool);
 748
 749                if (ptcb_desc->tx_enable_sw_calc_duration)
 750                        set_tx_desc_nav_use_hdr(pdesc, 1);
 751
 752                set_tx_desc_data_bw(pdesc,
 753                                    rtl8821ae_bw_mapping(hw, ptcb_desc));
 754
 755                set_tx_desc_tx_sub_carrier(pdesc,
 756                                           rtl8821ae_sc_mapping(hw, ptcb_desc));
 757
 758                set_tx_desc_linip(pdesc, 0);
 759                set_tx_desc_pkt_size(pdesc, (u16)skb_len);
 760                if (sta) {
 761                        u8 ampdu_density = sta->ht_cap.ampdu_density;
 762
 763                        set_tx_desc_ampdu_density(pdesc, ampdu_density);
 764                }
 765                if (info->control.hw_key) {
 766                        struct ieee80211_key_conf *keyconf =
 767                                info->control.hw_key;
 768                        switch (keyconf->cipher) {
 769                        case WLAN_CIPHER_SUITE_WEP40:
 770                        case WLAN_CIPHER_SUITE_WEP104:
 771                        case WLAN_CIPHER_SUITE_TKIP:
 772                                set_tx_desc_sec_type(pdesc, 0x1);
 773                                break;
 774                        case WLAN_CIPHER_SUITE_CCMP:
 775                                set_tx_desc_sec_type(pdesc, 0x3);
 776                                break;
 777                        default:
 778                                set_tx_desc_sec_type(pdesc, 0x0);
 779                                break;
 780                        }
 781                }
 782
 783                set_tx_desc_queue_sel(pdesc, fw_qsel);
 784                set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);
 785                set_tx_desc_rts_rate_fb_limit(pdesc, 0xF);
 786                set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ?
 787                                       1 : 0);
 788                set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
 789
 790                if (ieee80211_is_data_qos(fc)) {
 791                        if (mac->rdg_en) {
 792                                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 793                                         "Enable RDG function.\n");
 794                                set_tx_desc_rdg_enable(pdesc, 1);
 795                                set_tx_desc_htc(pdesc, 1);
 796                        }
 797                }
 798                /* tx report */
 799                rtl_set_tx_report(ptcb_desc, pdesc8, hw, tx_info);
 800        }
 801
 802        set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));
 803        set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));
 804        set_tx_desc_tx_buffer_size(pdesc, buf_len);
 805        set_tx_desc_tx_buffer_address(pdesc, mapping);
 806        /* if (rtlpriv->dm.useramask) { */
 807        if (1) {
 808                set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index);
 809                set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
 810        } else {
 811                set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index);
 812                set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
 813        }
 814        if (!ieee80211_is_data_qos(fc))  {
 815                set_tx_desc_hwseq_en(pdesc, 1);
 816                set_tx_desc_hwseq_sel(pdesc, 0);
 817        }
 818        set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));
 819        if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
 820            is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
 821                set_tx_desc_bmc(pdesc, 1);
 822        }
 823
 824        rtl8821ae_dm_set_tx_ant_by_tx_info(hw, pdesc8, ptcb_desc->mac_id);
 825        RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
 826}
 827
 828void rtl8821ae_tx_fill_cmddesc(struct ieee80211_hw *hw,
 829                               u8 *pdesc8, bool firstseg,
 830                               bool lastseg, struct sk_buff *skb)
 831{
 832        struct rtl_priv *rtlpriv = rtl_priv(hw);
 833        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 834        u8 fw_queue = QSLT_BEACON;
 835        __le32 *pdesc = (__le32 *)pdesc8;
 836
 837        dma_addr_t mapping = pci_map_single(rtlpci->pdev,
 838                                            skb->data, skb->len,
 839                                            PCI_DMA_TODEVICE);
 840
 841        if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
 842                RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
 843                         "DMA mapping error\n");
 844                return;
 845        }
 846        clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);
 847
 848        set_tx_desc_first_seg(pdesc, 1);
 849        set_tx_desc_last_seg(pdesc, 1);
 850
 851        set_tx_desc_pkt_size(pdesc, (u16)(skb->len));
 852
 853        set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
 854
 855        set_tx_desc_use_rate(pdesc, 1);
 856        set_tx_desc_tx_rate(pdesc, DESC_RATE1M);
 857        set_tx_desc_disable_fb(pdesc, 1);
 858
 859        set_tx_desc_data_bw(pdesc, 0);
 860
 861        set_tx_desc_hwseq_en(pdesc, 1);
 862
 863        set_tx_desc_queue_sel(pdesc, fw_queue);
 864
 865        set_tx_desc_tx_buffer_size(pdesc, skb->len);
 866
 867        set_tx_desc_tx_buffer_address(pdesc, mapping);
 868
 869        set_tx_desc_macid(pdesc, 0);
 870
 871        set_tx_desc_own(pdesc, 1);
 872
 873        RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
 874                      "H2C Tx Cmd Content\n",
 875                      pdesc8, TX_DESC_SIZE);
 876}
 877
 878void rtl8821ae_set_desc(struct ieee80211_hw *hw, u8 *pdesc8,
 879                        bool istx, u8 desc_name, u8 *val)
 880{
 881        __le32 *pdesc = (__le32 *)pdesc8;
 882
 883        if (istx) {
 884                switch (desc_name) {
 885                case HW_DESC_OWN:
 886                        set_tx_desc_own(pdesc, 1);
 887                        break;
 888                case HW_DESC_TX_NEXTDESC_ADDR:
 889                        set_tx_desc_next_desc_address(pdesc, *(u32 *)val);
 890                        break;
 891                default:
 892                        WARN_ONCE(true,
 893                                  "rtl8821ae: ERR txdesc :%d not processed\n",
 894                                  desc_name);
 895                        break;
 896                }
 897        } else {
 898                switch (desc_name) {
 899                case HW_DESC_RXOWN:
 900                        set_rx_desc_own(pdesc, 1);
 901                        break;
 902                case HW_DESC_RXBUFF_ADDR:
 903                        set_rx_desc_buff_addr(pdesc, *(u32 *)val);
 904                        break;
 905                case HW_DESC_RXPKT_LEN:
 906                        set_rx_desc_pkt_len(pdesc, *(u32 *)val);
 907                        break;
 908                case HW_DESC_RXERO:
 909                        set_rx_desc_eor(pdesc, 1);
 910                        break;
 911                default:
 912                        WARN_ONCE(true,
 913                                  "rtl8821ae: ERR rxdesc :%d not processed\n",
 914                                  desc_name);
 915                        break;
 916                }
 917        }
 918}
 919
 920u64 rtl8821ae_get_desc(struct ieee80211_hw *hw,
 921                       u8 *pdesc8, bool istx, u8 desc_name)
 922{
 923        u32 ret = 0;
 924        __le32 *pdesc = (__le32 *)pdesc8;
 925
 926        if (istx) {
 927                switch (desc_name) {
 928                case HW_DESC_OWN:
 929                        ret = get_tx_desc_own(pdesc);
 930                        break;
 931                case HW_DESC_TXBUFF_ADDR:
 932                        ret = get_tx_desc_tx_buffer_address(pdesc);
 933                        break;
 934                default:
 935                        WARN_ONCE(true,
 936                                  "rtl8821ae: ERR txdesc :%d not processed\n",
 937                                  desc_name);
 938                        break;
 939                }
 940        } else {
 941                switch (desc_name) {
 942                case HW_DESC_OWN:
 943                        ret = get_rx_desc_own(pdesc);
 944                        break;
 945                case HW_DESC_RXPKT_LEN:
 946                        ret = get_rx_desc_pkt_len(pdesc);
 947                        break;
 948                case HW_DESC_RXBUFF_ADDR:
 949                        ret = get_rx_desc_buff_addr(pdesc);
 950                        break;
 951                default:
 952                        WARN_ONCE(true,
 953                                  "rtl8821ae: ERR rxdesc :%d not processed\n",
 954                                  desc_name);
 955                        break;
 956                }
 957        }
 958        return ret;
 959}
 960
 961bool rtl8821ae_is_tx_desc_closed(struct ieee80211_hw *hw,
 962                                 u8 hw_queue, u16 index)
 963{
 964        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 965        struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
 966        u8 *entry = (u8 *)(&ring->desc[ring->idx]);
 967        u8 own = (u8)rtl8821ae_get_desc(hw, entry, true, HW_DESC_OWN);
 968
 969        /**
 970         *beacon packet will only use the first
 971         *descriptor defautly,and the own may not
 972         *be cleared by the hardware
 973         */
 974        if (own)
 975                return false;
 976        return true;
 977}
 978
 979void rtl8821ae_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
 980{
 981        struct rtl_priv *rtlpriv = rtl_priv(hw);
 982
 983        if (hw_queue == BEACON_QUEUE) {
 984                rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
 985        } else {
 986                rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
 987                               BIT(0) << (hw_queue));
 988        }
 989}
 990