root/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/trx.c
// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2009-2010  Realtek Corporation.*/

#include "../wifi.h"
#include "../pci.h"
#include "../base.h"
#include "../stats.h"
#include "reg.h"
#include "def.h"
#include "trx.h"
#include "led.h"
#include "dm.h"
#include "phy.h"
#include "fw.h"

static u8 _rtl8821ae_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
{
        __le16 fc = rtl_get_fc(skb);

        if (unlikely(ieee80211_is_beacon(fc)))
                return QSLT_BEACON;
        if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
                return QSLT_MGNT;

        return skb->priority;
}

static u16 odm_cfo(s8 value)
{
        int ret_val;

        if (value < 0) {
                ret_val = 0 - value;
                ret_val = (ret_val << 1) + (ret_val >> 1);
                /* set bit12 as 1 for negative cfo */
                ret_val = ret_val | BIT(12);
        } else {
                ret_val = value;
                ret_val = (ret_val << 1) + (ret_val >> 1);
        }
        return ret_val;
}

static u8 _rtl8821ae_evm_dbm_jaguar(s8 value)
{
        s8 ret_val = value;

        /* -33dB~0dB to 33dB ~ 0dB*/
        if (ret_val == -128)
                ret_val = 127;
        else if (ret_val < 0)
                ret_val = 0 - ret_val;

        ret_val  = ret_val >> 1;
        return ret_val;
}

static void query_rxphystatus(struct ieee80211_hw *hw,
                              struct rtl_stats *pstatus, __le32 *pdesc,
                              struct rx_fwinfo_8821ae *p_drvinfo,
                              bool bpacket_match_bssid,
                              bool bpacket_toself, bool packet_beacon)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct phy_status_rpt *p_phystrpt = (struct phy_status_rpt *)p_drvinfo;
        struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
        struct rtl_phy *rtlphy = &rtlpriv->phy;
        s8 rx_pwr_all = 0, rx_pwr[4];
        u8 rf_rx_num = 0, evm, evmdbm, pwdb_all;
        u8 i, max_spatial_stream;
        u32 rssi, total_rssi = 0;
        bool is_cck = pstatus->is_cck;
        u8 lan_idx, vga_idx;

        /* Record it for next packet processing */
        pstatus->packet_matchbssid = bpacket_match_bssid;
        pstatus->packet_toself = bpacket_toself;
        pstatus->packet_beacon = packet_beacon;
        pstatus->rx_mimo_signalquality[0] = -1;
        pstatus->rx_mimo_signalquality[1] = -1;

        if (is_cck) {
                u8 cck_highpwr;
                u8 cck_agc_rpt;

                cck_agc_rpt = p_phystrpt->cfosho[0];

                /* (1)Hardware does not provide RSSI for CCK
                 * (2)PWDB, Average PWDB calculated by
                 * hardware (for rate adaptive)
                 */
                cck_highpwr = (u8)rtlphy->cck_high_power;

                lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
                vga_idx = (cck_agc_rpt & 0x1f);
                if (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE) {
                        switch (lan_idx) {
                        case 7:
                                if (vga_idx <= 27)
                                        /*VGA_idx = 27~2*/
                                        rx_pwr_all = -100 + 2*(27-vga_idx);
                                else
                                        rx_pwr_all = -100;
                                break;
                        case 6:
                                /*VGA_idx = 2~0*/
                                rx_pwr_all = -48 + 2*(2-vga_idx);
                                break;
                        case 5:
                                /*VGA_idx = 7~5*/
                                rx_pwr_all = -42 + 2*(7-vga_idx);
                                break;
                        case 4:
                                /*VGA_idx = 7~4*/
                                rx_pwr_all = -36 + 2*(7-vga_idx);
                                break;
                        case 3:
                                /*VGA_idx = 7~0*/
                                rx_pwr_all = -24 + 2*(7-vga_idx);
                                break;
                        case 2:
                                if (cck_highpwr)
                                        /*VGA_idx = 5~0*/
                                        rx_pwr_all = -12 + 2*(5-vga_idx);
                                else
                                        rx_pwr_all = -6 + 2*(5-vga_idx);
                                break;
                        case 1:
                                rx_pwr_all = 8-2*vga_idx;
                                break;
                        case 0:
                                rx_pwr_all = 14-2*vga_idx;
                                break;
                        default:
                                break;
                        }
                        rx_pwr_all += 6;
                        pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
                        if (!cck_highpwr) {
                                if (pwdb_all >= 80)
                                        pwdb_all =
                                          ((pwdb_all - 80)<<1) +
                                         ((pwdb_all - 80)>>1) + 80;
                                else if ((pwdb_all <= 78) && (pwdb_all >= 20))
                                        pwdb_all += 3;
                                if (pwdb_all > 100)
                                        pwdb_all = 100;
                        }
                } else { /* 8821 */
                        s8 pout = -6;

                        switch (lan_idx) {
                        case 5:
                                rx_pwr_all = pout - 32 - (2*vga_idx);
                                        break;
                        case 4:
                                rx_pwr_all = pout - 24 - (2*vga_idx);
                                        break;
                        case 2:
                                rx_pwr_all = pout - 11 - (2*vga_idx);
                                        break;
                        case 1:
                                rx_pwr_all = pout + 5 - (2*vga_idx);
                                        break;
                        case 0:
                                rx_pwr_all = pout + 21 - (2*vga_idx);
                                        break;
                        }
                        pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
                }

                pstatus->rx_pwdb_all = pwdb_all;
                pstatus->recvsignalpower = rx_pwr_all;

                /* (3) Get Signal Quality (EVM) */
                if (bpacket_match_bssid) {
                        u8 sq;

                        if (pstatus->rx_pwdb_all > 40) {
                                sq = 100;
                        } else {
                                sq = p_phystrpt->pwdb_all;
                                if (sq > 64)
                                        sq = 0;
                                else if (sq < 20)
                                        sq = 100;
                                else
                                        sq = ((64 - sq) * 100) / 44;
                        }

                        pstatus->signalquality = sq;
                        pstatus->rx_mimo_signalquality[0] = sq;
                        pstatus->rx_mimo_signalquality[1] = -1;
                }
        } else {
                /* (1)Get RSSI for HT rate */
                for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
                        /* we will judge RF RX path now. */
                        if (rtlpriv->dm.rfpath_rxenable[i])
                                rf_rx_num++;

                        rx_pwr[i] = (p_phystrpt->gain_trsw[i] & 0x7f) - 110;

                        /* Translate DBM to percentage. */
                        rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
                        total_rssi += rssi;

                        /* Get Rx snr value in DB */
                        pstatus->rx_snr[i] = p_phystrpt->rxsnr[i] / 2;
                        rtlpriv->stats.rx_snr_db[i] = p_phystrpt->rxsnr[i] / 2;

                        pstatus->cfo_short[i] = odm_cfo(p_phystrpt->cfosho[i]);
                        pstatus->cfo_tail[i] = odm_cfo(p_phystrpt->cfotail[i]);
                        /* Record Signal Strength for next packet */
                        pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
                }

                /* (2)PWDB, Average PWDB calculated by
                 * hardware (for rate adaptive)
                 */
                rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;

                pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
                pstatus->rx_pwdb_all = pwdb_all;
                pstatus->rxpower = rx_pwr_all;
                pstatus->recvsignalpower = rx_pwr_all;

                /* (3)EVM of HT rate */
                if ((pstatus->is_ht && pstatus->rate >= DESC_RATEMCS8 &&
                     pstatus->rate <= DESC_RATEMCS15) ||
                    (pstatus->is_vht &&
                     pstatus->rate >= DESC_RATEVHT2SS_MCS0 &&
                     pstatus->rate <= DESC_RATEVHT2SS_MCS9))
                        max_spatial_stream = 2;
                else
                        max_spatial_stream = 1;

                for (i = 0; i < max_spatial_stream; i++) {
                        evm = rtl_evm_db_to_percentage(p_phystrpt->rxevm[i]);
                        evmdbm = _rtl8821ae_evm_dbm_jaguar(p_phystrpt->rxevm[i]);

                        if (bpacket_match_bssid) {
                                /* Fill value in RFD, Get the first
                                 * spatial stream only
                                 */
                                if (i == 0)
                                        pstatus->signalquality = evm;
                                pstatus->rx_mimo_signalquality[i] = evm;
                                pstatus->rx_mimo_evm_dbm[i] = evmdbm;
                        }
                }
                if (bpacket_match_bssid) {
                        for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
                                rtl_priv(hw)->dm.cfo_tail[i] =
                                        (s8)p_phystrpt->cfotail[i];

                        rtl_priv(hw)->dm.packet_count++;
                }
        }

        /* UI BSS List signal strength(in percentage),
         * make it good looking, from 0~100.
         */
        if (is_cck)
                pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
                        pwdb_all));
        else if (rf_rx_num != 0)
                pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
                        total_rssi /= rf_rx_num));
        /*HW antenna diversity*/
        rtldm->fat_table.antsel_rx_keep_0 = p_phystrpt->antidx_anta;
        rtldm->fat_table.antsel_rx_keep_1 = p_phystrpt->antidx_antb;
}

static void translate_rx_signal_stuff(struct ieee80211_hw *hw,
                                      struct sk_buff *skb,
                                      struct rtl_stats *pstatus, __le32 *pdesc,
                                      struct rx_fwinfo_8821ae *p_drvinfo)
{
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
        struct ieee80211_hdr *hdr;
        u8 *tmp_buf;
        u8 *praddr;
        u8 *psaddr;
        __le16 fc;
        bool packet_matchbssid, packet_toself, packet_beacon;

        tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;

        hdr = (struct ieee80211_hdr *)tmp_buf;
        fc = hdr->frame_control;
        praddr = hdr->addr1;
        psaddr = ieee80211_get_SA(hdr);
        ether_addr_copy(pstatus->psaddr, psaddr);

        packet_matchbssid = (!ieee80211_is_ctl(fc) &&
                             (ether_addr_equal(mac->bssid,
                                               ieee80211_has_tods(fc) ?
                                               hdr->addr1 :
                                               ieee80211_has_fromds(fc) ?
                                               hdr->addr2 : hdr->addr3)) &&
                              (!pstatus->hwerror) &&
                              (!pstatus->crc) && (!pstatus->icv));

        packet_toself = packet_matchbssid &&
            (ether_addr_equal(praddr, rtlefuse->dev_addr));

        if (ieee80211_is_beacon(hdr->frame_control))
                packet_beacon = true;
        else
                packet_beacon = false;

        if (packet_beacon && packet_matchbssid)
                rtl_priv(hw)->dm.dbginfo.num_qry_beacon_pkt++;

        if (packet_matchbssid &&
            ieee80211_is_data_qos(hdr->frame_control) &&
            !is_multicast_ether_addr(ieee80211_get_DA(hdr))) {
                struct ieee80211_qos_hdr *hdr_qos =
                        (struct ieee80211_qos_hdr *)tmp_buf;
                u16 tid = le16_to_cpu(hdr_qos->qos_ctrl) & 0xf;

                if (tid != 0 && tid != 3)
                        rtl_priv(hw)->dm.dbginfo.num_non_be_pkt++;
        }

        query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
                          packet_matchbssid, packet_toself,
                          packet_beacon);
        /*_rtl8821ae_smart_antenna(hw, pstatus); */
        rtl_process_phyinfo(hw, tmp_buf, pstatus);
}

static void rtl8821ae_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
                                       __le32 *virtualaddress)
{
        u32 dwtmp = 0;

        memset(virtualaddress, 0, 8);

        set_earlymode_pktnum(virtualaddress, ptcb_desc->empkt_num);
        if (ptcb_desc->empkt_num == 1) {
                dwtmp = ptcb_desc->empkt_len[0];
        } else {
                dwtmp = ptcb_desc->empkt_len[0];
                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;
                dwtmp += ptcb_desc->empkt_len[1];
        }
        set_earlymode_len0(virtualaddress, dwtmp);

        if (ptcb_desc->empkt_num <= 3) {
                dwtmp = ptcb_desc->empkt_len[2];
        } else {
                dwtmp = ptcb_desc->empkt_len[2];
                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;
                dwtmp += ptcb_desc->empkt_len[3];
        }
        set_earlymode_len1(virtualaddress, dwtmp);
        if (ptcb_desc->empkt_num <= 5) {
                dwtmp = ptcb_desc->empkt_len[4];
        } else {
                dwtmp = ptcb_desc->empkt_len[4];
                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;
                dwtmp += ptcb_desc->empkt_len[5];
        }
        set_earlymode_len2_1(virtualaddress, dwtmp & 0xF);
        set_earlymode_len2_2(virtualaddress, dwtmp >> 4);
        if (ptcb_desc->empkt_num <= 7) {
                dwtmp = ptcb_desc->empkt_len[6];
        } else {
                dwtmp = ptcb_desc->empkt_len[6];
                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;
                dwtmp += ptcb_desc->empkt_len[7];
        }
        set_earlymode_len3(virtualaddress, dwtmp);
        if (ptcb_desc->empkt_num <= 9) {
                dwtmp = ptcb_desc->empkt_len[8];
        } else {
                dwtmp = ptcb_desc->empkt_len[8];
                dwtmp += ((dwtmp % 4) ? (4 - dwtmp % 4) : 0)+4;
                dwtmp += ptcb_desc->empkt_len[9];
        }
        set_earlymode_len4(virtualaddress, dwtmp);
}

static bool rtl8821ae_get_rxdesc_is_ht(struct ieee80211_hw *hw, __le32 *pdesc)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u8 rx_rate = 0;

        rx_rate = get_rx_desc_rxmcs(pdesc);

        rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate);

        if ((rx_rate >= DESC_RATEMCS0) && (rx_rate <= DESC_RATEMCS15))
                return true;
        return false;
}

static bool rtl8821ae_get_rxdesc_is_vht(struct ieee80211_hw *hw, __le32 *pdesc)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u8 rx_rate = 0;

        rx_rate = get_rx_desc_rxmcs(pdesc);

        rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate);

        if (rx_rate >= DESC_RATEVHT1SS_MCS0)
                return true;
        return false;
}

static u8 rtl8821ae_get_rx_vht_nss(struct ieee80211_hw *hw, __le32 *pdesc)
{
        u8 rx_rate = 0;
        u8 vht_nss = 0;

        rx_rate = get_rx_desc_rxmcs(pdesc);
        if ((rx_rate >= DESC_RATEVHT1SS_MCS0) &&
            (rx_rate <= DESC_RATEVHT1SS_MCS9))
                vht_nss = 1;
        else if ((rx_rate >= DESC_RATEVHT2SS_MCS0) &&
                 (rx_rate <= DESC_RATEVHT2SS_MCS9))
                vht_nss = 2;

        return vht_nss;
}

bool rtl8821ae_rx_query_desc(struct ieee80211_hw *hw,
                             struct rtl_stats *status,
                             struct ieee80211_rx_status *rx_status,
                             u8 *pdesc8, struct sk_buff *skb)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rx_fwinfo_8821ae *p_drvinfo;
        struct ieee80211_hdr *hdr;
        u8 wake_match;
        __le32 *pdesc = (__le32 *)pdesc8;
        u32 phystatus = get_rx_desc_physt(pdesc);

        status->length = (u16)get_rx_desc_pkt_len(pdesc);
        status->rx_drvinfo_size = (u8)get_rx_desc_drv_info_size(pdesc) *
            RX_DRV_INFO_SIZE_UNIT;
        status->rx_bufshift = (u8)(get_rx_desc_shift(pdesc) & 0x03);
        status->icv = (u16)get_rx_desc_icv(pdesc);
        status->crc = (u16)get_rx_desc_crc32(pdesc);
        status->hwerror = (status->crc | status->icv);
        status->decrypted = !get_rx_desc_swdec(pdesc);
        status->rate = (u8)get_rx_desc_rxmcs(pdesc);
        status->shortpreamble = (u16)get_rx_desc_splcp(pdesc);
        status->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
        status->isfirst_ampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
        status->timestamp_low = get_rx_desc_tsfl(pdesc);
        status->rx_packet_bw = get_rx_desc_bw(pdesc);
        status->macid = get_rx_desc_macid(pdesc);
        status->is_short_gi = !(bool)get_rx_desc_splcp(pdesc);
        status->is_ht = rtl8821ae_get_rxdesc_is_ht(hw, pdesc);
        status->is_vht = rtl8821ae_get_rxdesc_is_vht(hw, pdesc);
        status->vht_nss = rtl8821ae_get_rx_vht_nss(hw, pdesc);
        status->is_cck = RTL8821AE_RX_HAL_IS_CCK_RATE(status->rate);

        rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD,
                "rx_packet_bw=%s,is_ht %d, is_vht %d, vht_nss=%d,is_short_gi %d.\n",
                (status->rx_packet_bw == 2) ? "80M" :
                (status->rx_packet_bw == 1) ? "40M" : "20M",
                status->is_ht, status->is_vht, status->vht_nss,
                status->is_short_gi);

        if (get_rx_status_desc_rpt_sel(pdesc))
                status->packet_report_type = C2H_PACKET;
        else
                status->packet_report_type = NORMAL_RX;

        if (get_rx_status_desc_pattern_match(pdesc))
                wake_match = BIT(2);
        else if (get_rx_status_desc_magic_match(pdesc))
                wake_match = BIT(1);
        else if (get_rx_status_desc_unicast_match(pdesc))
                wake_match = BIT(0);
        else
                wake_match = 0;

        if (wake_match)
                rtl_dbg(rtlpriv, COMP_RXDESC, DBG_LOUD,
                        "GGGGGGGGGGGGGet Wakeup Packet!! WakeMatch=%d\n",
                        wake_match);
        rx_status->freq = hw->conf.chandef.chan->center_freq;
        rx_status->band = hw->conf.chandef.chan->band;

        hdr = (struct ieee80211_hdr *)(skb->data +
              status->rx_drvinfo_size + status->rx_bufshift);

        if (status->crc)
                rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;

        if (status->rx_packet_bw == HT_CHANNEL_WIDTH_20_40)
                rx_status->bw = RATE_INFO_BW_40;
        else if (status->rx_packet_bw == HT_CHANNEL_WIDTH_80)
                rx_status->bw = RATE_INFO_BW_80;
        if (status->is_ht)
                rx_status->encoding = RX_ENC_HT;
        if (status->is_vht)
                rx_status->encoding = RX_ENC_VHT;

        if (status->is_short_gi)
                rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;

        rx_status->nss = status->vht_nss;
        rx_status->flag |= RX_FLAG_MACTIME_START;

        /* hw will set status->decrypted true, if it finds the
         * frame is open data frame or mgmt frame.
         * So hw will not decryption robust managment frame
         * for IEEE80211w but still set status->decrypted
         * true, so here we should set it back to undecrypted
         * for IEEE80211w frame, and mac80211 sw will help
         * to decrypt it
         */
        if (status->decrypted) {
                if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
                    (ieee80211_has_protected(hdr->frame_control)))
                        rx_status->flag |= RX_FLAG_DECRYPTED;
                else
                        rx_status->flag &= ~RX_FLAG_DECRYPTED;
        }

        /* rate_idx: index of data rate into band's
         * supported rates or MCS index if HT rates
         * are use (RX_FLAG_HT)
         */
        rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
                                                   status->is_vht,
                                                   status->rate);

        rx_status->mactime = status->timestamp_low;
        if (phystatus) {
                p_drvinfo = (struct rx_fwinfo_8821ae *)(skb->data +
                            status->rx_bufshift);

                translate_rx_signal_stuff(hw, skb, status, pdesc, p_drvinfo);
        }
        rx_status->signal = status->recvsignalpower + 10;
        if (status->packet_report_type == TX_REPORT2) {
                status->macid_valid_entry[0] =
                  get_rx_rpt2_desc_macid_valid_1(pdesc);
                status->macid_valid_entry[1] =
                  get_rx_rpt2_desc_macid_valid_2(pdesc);
        }
        return true;
}

static u8 rtl8821ae_bw_mapping(struct ieee80211_hw *hw,
                               struct rtl_tcb_desc *ptcb_desc)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_phy *rtlphy = &rtlpriv->phy;
        u8 bw_setting_of_desc = 0;

        rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
                "%s, current_chan_bw %d, packet_bw %d\n",
                __func__,
                rtlphy->current_chan_bw, ptcb_desc->packet_bw);

        if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
                if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80)
                        bw_setting_of_desc = 2;
                else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40)
                        bw_setting_of_desc = 1;
                else
                        bw_setting_of_desc = 0;
        } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
                if ((ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) ||
                    (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80))
                        bw_setting_of_desc = 1;
                else
                        bw_setting_of_desc = 0;
        } else {
                bw_setting_of_desc = 0;
        }
        return bw_setting_of_desc;
}

static u8 rtl8821ae_sc_mapping(struct ieee80211_hw *hw,
                               struct rtl_tcb_desc *ptcb_desc)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_phy *rtlphy = &rtlpriv->phy;
        struct rtl_mac *mac = rtl_mac(rtlpriv);
        u8 sc_setting_of_desc = 0;

        if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) {
                if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80) {
                        sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
                } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
                        if (mac->cur_80_prime_sc ==
                            HAL_PRIME_CHNL_OFFSET_LOWER)
                                sc_setting_of_desc =
                                        VHT_DATA_SC_40_LOWER_OF_80MHZ;
                        else if (mac->cur_80_prime_sc ==
                                 HAL_PRIME_CHNL_OFFSET_UPPER)
                                sc_setting_of_desc =
                                        VHT_DATA_SC_40_UPPER_OF_80MHZ;
                        else
                                rtl_dbg(rtlpriv, COMP_SEND, DBG_LOUD,
                                        "%s: Not Correct Primary40MHz Setting\n",
                                        __func__);
                } else {
                        if ((mac->cur_40_prime_sc ==
                             HAL_PRIME_CHNL_OFFSET_LOWER) &&
                            (mac->cur_80_prime_sc  ==
                             HAL_PRIME_CHNL_OFFSET_LOWER))
                                sc_setting_of_desc =
                                        VHT_DATA_SC_20_LOWEST_OF_80MHZ;
                        else if ((mac->cur_40_prime_sc ==
                                  HAL_PRIME_CHNL_OFFSET_UPPER) &&
                                 (mac->cur_80_prime_sc ==
                                  HAL_PRIME_CHNL_OFFSET_LOWER))
                                sc_setting_of_desc =
                                        VHT_DATA_SC_20_LOWER_OF_80MHZ;
                        else if ((mac->cur_40_prime_sc ==
                                  HAL_PRIME_CHNL_OFFSET_LOWER) &&
                                 (mac->cur_80_prime_sc ==
                                  HAL_PRIME_CHNL_OFFSET_UPPER))
                                sc_setting_of_desc =
                                        VHT_DATA_SC_20_UPPER_OF_80MHZ;
                        else if ((mac->cur_40_prime_sc ==
                                  HAL_PRIME_CHNL_OFFSET_UPPER) &&
                                 (mac->cur_80_prime_sc ==
                                  HAL_PRIME_CHNL_OFFSET_UPPER))
                                sc_setting_of_desc =
                                        VHT_DATA_SC_20_UPPERST_OF_80MHZ;
                        else
                                rtl_dbg(rtlpriv, COMP_SEND, DBG_LOUD,
                                        "%s: Not Correct Primary40MHz Setting\n",
                                        __func__);
                }
        } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) {
                if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
                        sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
                } else if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20) {
                        if (mac->cur_40_prime_sc ==
                                HAL_PRIME_CHNL_OFFSET_UPPER) {
                                sc_setting_of_desc =
                                        VHT_DATA_SC_20_UPPER_OF_80MHZ;
                        } else if (mac->cur_40_prime_sc ==
                                HAL_PRIME_CHNL_OFFSET_LOWER){
                                sc_setting_of_desc =
                                        VHT_DATA_SC_20_LOWER_OF_80MHZ;
                        } else {
                                sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
                        }
                }
        } else {
                sc_setting_of_desc = VHT_DATA_SC_DONOT_CARE;
        }

        return sc_setting_of_desc;
}

void rtl8821ae_tx_fill_desc(struct ieee80211_hw *hw,
                            struct ieee80211_hdr *hdr, u8 *pdesc8, u8 *txbd,
                            struct ieee80211_tx_info *info,
                            struct ieee80211_sta *sta,
                            struct sk_buff *skb,
                            u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
        struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
        struct rtlwifi_tx_info *tx_info = rtl_tx_skb_cb_info(skb);
        u16 seq_number;
        __le16 fc = hdr->frame_control;
        unsigned int buf_len = 0;
        unsigned int skb_len = skb->len;
        u8 fw_qsel = _rtl8821ae_map_hwqueue_to_fwqueue(skb, hw_queue);
        bool firstseg = ((hdr->seq_ctrl &
                          cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
        bool lastseg = ((hdr->frame_control &
                         cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
        dma_addr_t mapping;
        u8 short_gi = 0;
        bool tmp_bool;
        __le32 *pdesc = (__le32 *)pdesc8;

        seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
        rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
        /* reserve 8 byte for AMPDU early mode */
        if (rtlhal->earlymode_enable) {
                skb_push(skb, EM_HDR_LEN);
                memset(skb->data, 0, EM_HDR_LEN);
        }
        buf_len = skb->len;
        mapping = dma_map_single(&rtlpci->pdev->dev, skb->data, skb->len,
                                 DMA_TO_DEVICE);
        if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
                rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
                        "DMA mapping error\n");
                return;
        }
        clear_pci_tx_desc_content(pdesc, sizeof(struct tx_desc_8821ae));
        if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
                firstseg = true;
                lastseg = true;
        }
        if (firstseg) {
                if (rtlhal->earlymode_enable) {
                        set_tx_desc_pkt_offset(pdesc, 1);
                        set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN +
                                           EM_HDR_LEN);
                        if (ptcb_desc->empkt_num) {
                                rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
                                        "Insert 8 byte.pTcb->EMPktNum:%d\n",
                                        ptcb_desc->empkt_num);
                                rtl8821ae_insert_emcontent(ptcb_desc,
                                                           (__le32 *)skb->data);
                        }
                } else {
                        set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
                }


                /* ptcb_desc->use_driver_rate = true; */
                set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);
                if (ptcb_desc->hw_rate > DESC_RATEMCS0)
                        short_gi = (ptcb_desc->use_shortgi) ? 1 : 0;
                else
                        short_gi = (ptcb_desc->use_shortpreamble) ? 1 : 0;

                set_tx_desc_data_shortgi(pdesc, short_gi);

                if (info->flags & IEEE80211_TX_CTL_AMPDU) {
                        set_tx_desc_agg_enable(pdesc, 1);
                        set_tx_desc_max_agg_num(pdesc, 0x1f);
                }
                set_tx_desc_seq(pdesc, seq_number);
                set_tx_desc_rts_enable(pdesc,
                                       ((ptcb_desc->rts_enable &&
                                        !ptcb_desc->cts_enable) ? 1 : 0));
                set_tx_desc_hw_rts_enable(pdesc, 0);
                set_tx_desc_cts2self(pdesc, ((ptcb_desc->cts_enable) ? 1 : 0));

                set_tx_desc_rts_rate(pdesc, ptcb_desc->rts_rate);
                set_tx_desc_rts_sc(pdesc, ptcb_desc->rts_sc);
                tmp_bool = ((ptcb_desc->rts_rate <= DESC_RATE54M) ?
                            (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
                            (ptcb_desc->rts_use_shortgi ? 1 : 0));
                set_tx_desc_rts_short(pdesc, tmp_bool);

                if (ptcb_desc->tx_enable_sw_calc_duration)
                        set_tx_desc_nav_use_hdr(pdesc, 1);

                set_tx_desc_data_bw(pdesc,
                                    rtl8821ae_bw_mapping(hw, ptcb_desc));

                set_tx_desc_tx_sub_carrier(pdesc,
                                           rtl8821ae_sc_mapping(hw, ptcb_desc));

                set_tx_desc_linip(pdesc, 0);
                set_tx_desc_pkt_size(pdesc, (u16)skb_len);
                if (sta) {
                        u8 ampdu_density = sta->deflink.ht_cap.ampdu_density;

                        set_tx_desc_ampdu_density(pdesc, ampdu_density);
                }
                if (info->control.hw_key) {
                        struct ieee80211_key_conf *keyconf =
                                info->control.hw_key;
                        switch (keyconf->cipher) {
                        case WLAN_CIPHER_SUITE_WEP40:
                        case WLAN_CIPHER_SUITE_WEP104:
                        case WLAN_CIPHER_SUITE_TKIP:
                                set_tx_desc_sec_type(pdesc, 0x1);
                                break;
                        case WLAN_CIPHER_SUITE_CCMP:
                                set_tx_desc_sec_type(pdesc, 0x3);
                                break;
                        default:
                                set_tx_desc_sec_type(pdesc, 0x0);
                                break;
                        }
                }

                set_tx_desc_queue_sel(pdesc, fw_qsel);
                set_tx_desc_data_rate_fb_limit(pdesc, 0x1F);
                set_tx_desc_rts_rate_fb_limit(pdesc, 0xF);
                set_tx_desc_disable_fb(pdesc, ptcb_desc->disable_ratefallback ?
                                       1 : 0);
                set_tx_desc_use_rate(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);

                if (ieee80211_is_data_qos(fc)) {
                        if (mac->rdg_en) {
                                rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
                                        "Enable RDG function.\n");
                                set_tx_desc_rdg_enable(pdesc, 1);
                                set_tx_desc_htc(pdesc, 1);
                        }
                }
                /* tx report */
                rtl_set_tx_report(ptcb_desc, pdesc8, hw, tx_info);
        }

        set_tx_desc_first_seg(pdesc, (firstseg ? 1 : 0));
        set_tx_desc_last_seg(pdesc, (lastseg ? 1 : 0));
        set_tx_desc_tx_buffer_size(pdesc, buf_len);
        set_tx_desc_tx_buffer_address(pdesc, mapping);
        /* if (rtlpriv->dm.useramask) { */
        if (1) {
                set_tx_desc_rate_id(pdesc, ptcb_desc->ratr_index);
                set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
        } else {
                set_tx_desc_rate_id(pdesc, 0xC + ptcb_desc->ratr_index);
                set_tx_desc_macid(pdesc, ptcb_desc->mac_id);
        }
        if (!ieee80211_is_data_qos(fc))  {
                set_tx_desc_hwseq_en(pdesc, 1);
                set_tx_desc_hwseq_sel(pdesc, 0);
        }
        set_tx_desc_more_frag(pdesc, (lastseg ? 0 : 1));
        if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
            is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
                set_tx_desc_bmc(pdesc, 1);
        }

        rtl8821ae_dm_set_tx_ant_by_tx_info(hw, pdesc8, ptcb_desc->mac_id);
        rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
}

void rtl8821ae_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc8,
                               struct sk_buff *skb)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
        u8 fw_queue = QSLT_BEACON;
        __le32 *pdesc = (__le32 *)pdesc8;

        dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
                                            skb->len, DMA_TO_DEVICE);

        if (dma_mapping_error(&rtlpci->pdev->dev, mapping)) {
                rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE,
                        "DMA mapping error\n");
                return;
        }
        clear_pci_tx_desc_content(pdesc, TX_DESC_SIZE);

        set_tx_desc_first_seg(pdesc, 1);
        set_tx_desc_last_seg(pdesc, 1);

        set_tx_desc_pkt_size(pdesc, (u16)(skb->len));

        set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);

        set_tx_desc_use_rate(pdesc, 1);
        set_tx_desc_tx_rate(pdesc, DESC_RATE1M);
        set_tx_desc_disable_fb(pdesc, 1);

        set_tx_desc_data_bw(pdesc, 0);

        set_tx_desc_hwseq_en(pdesc, 1);

        set_tx_desc_queue_sel(pdesc, fw_queue);

        set_tx_desc_tx_buffer_size(pdesc, skb->len);

        set_tx_desc_tx_buffer_address(pdesc, mapping);

        set_tx_desc_macid(pdesc, 0);

        set_tx_desc_own(pdesc, 1);

        RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
                      "H2C Tx Cmd Content\n",
                      pdesc8, TX_DESC_SIZE);
}

void rtl8821ae_set_desc(struct ieee80211_hw *hw, u8 *pdesc8,
                        bool istx, u8 desc_name, u8 *val)
{
        __le32 *pdesc = (__le32 *)pdesc8;

        if (istx) {
                switch (desc_name) {
                case HW_DESC_OWN:
                        set_tx_desc_own(pdesc, 1);
                        break;
                case HW_DESC_TX_NEXTDESC_ADDR:
                        set_tx_desc_next_desc_address(pdesc, *(u32 *)val);
                        break;
                default:
                        WARN_ONCE(true,
                                  "rtl8821ae: ERR txdesc :%d not processed\n",
                                  desc_name);
                        break;
                }
        } else {
                switch (desc_name) {
                case HW_DESC_RXOWN:
                        set_rx_desc_own(pdesc, 1);
                        break;
                case HW_DESC_RXBUFF_ADDR:
                        set_rx_desc_buff_addr(pdesc, *(u32 *)val);
                        break;
                case HW_DESC_RXPKT_LEN:
                        set_rx_desc_pkt_len(pdesc, *(u32 *)val);
                        break;
                case HW_DESC_RXERO:
                        set_rx_desc_eor(pdesc, 1);
                        break;
                default:
                        WARN_ONCE(true,
                                  "rtl8821ae: ERR rxdesc :%d not processed\n",
                                  desc_name);
                        break;
                }
        }
}

u64 rtl8821ae_get_desc(struct ieee80211_hw *hw,
                       u8 *pdesc8, bool istx, u8 desc_name)
{
        u32 ret = 0;
        __le32 *pdesc = (__le32 *)pdesc8;

        if (istx) {
                switch (desc_name) {
                case HW_DESC_OWN:
                        ret = get_tx_desc_own(pdesc);
                        break;
                case HW_DESC_TXBUFF_ADDR:
                        ret = get_tx_desc_tx_buffer_address(pdesc);
                        break;
                default:
                        WARN_ONCE(true,
                                  "rtl8821ae: ERR txdesc :%d not processed\n",
                                  desc_name);
                        break;
                }
        } else {
                switch (desc_name) {
                case HW_DESC_OWN:
                        ret = get_rx_desc_own(pdesc);
                        break;
                case HW_DESC_RXPKT_LEN:
                        ret = get_rx_desc_pkt_len(pdesc);
                        break;
                case HW_DESC_RXBUFF_ADDR:
                        ret = get_rx_desc_buff_addr(pdesc);
                        break;
                default:
                        WARN_ONCE(true,
                                  "rtl8821ae: ERR rxdesc :%d not processed\n",
                                  desc_name);
                        break;
                }
        }
        return ret;
}

bool rtl8821ae_is_tx_desc_closed(struct ieee80211_hw *hw,
                                 u8 hw_queue, u16 index)
{
        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
        struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
        u8 *entry = (u8 *)(&ring->desc[ring->idx]);
        u8 own = (u8)rtl8821ae_get_desc(hw, entry, true, HW_DESC_OWN);

        /**
         *beacon packet will only use the first
         *descriptor defautly,and the own may not
         *be cleared by the hardware
         */
        if (own)
                return false;
        return true;
}

void rtl8821ae_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);

        if (hw_queue == BEACON_QUEUE) {
                rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
        } else {
                rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
                               BIT(0) << (hw_queue));
        }
}