root/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/trx.c
// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2009-2014  Realtek Corporation.*/

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

static u8 _rtl92ee_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 void _rtl92ee_query_rxphystatus(struct ieee80211_hw *hw,
                                       struct rtl_stats *pstatus, u8 *pdesc,
                                       struct rx_fwinfo *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;
        s8 rx_pwr_all, rx_pwr[4];
        u8 rf_rx_num = 0, evm, 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 Driver info Structure is not the same as OFDM packet. */
                cck_agc_rpt = p_phystrpt->cck_agc_rpt_ofdm_cfosho_a;

                /* (1)Hardware does not provide RSSI for CCK
                 * (2)PWDB, Average PWDB calculated by
                 * hardware (for rate adaptive)
                 */
                cck_highpwr = (u8)rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
                                                 BIT(9));

                lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
                vga_idx = (cck_agc_rpt & 0x1f);
                switch (lan_idx) {
                case 7: /*VGA_idx = 27~2*/
                                if (vga_idx <= 27)
                                        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: /*VGA_idx = 5~0*/
                                if (cck_highpwr)
                                        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:
                                rx_pwr_all = 0;
                                break;
                }
                rx_pwr_all += 16;
                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;
                }

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

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

                        if (pstatus->rx_pwdb_all > 40) {
                                sq = 100;
                        } else {
                                sq_rpt = p_phystrpt->cck_sig_qual_ofdm_pwdb_all;
                                if (sq_rpt > 64)
                                        sq = 0;
                                else if (sq_rpt < 20)
                                        sq = 100;
                                else
                                        sq = ((64 - sq_rpt) * 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->path_agc[i].gain & 0x3f) * 2)
                                    - 110;

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

                        pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
                }

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

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

                /* (3)EVM of HT rate */
                if (pstatus->rate >= DESC_RATEMCS8 &&
                    pstatus->rate <= DESC_RATEMCS15)
                        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->stream_rxevm[i]);

                        if (bpacket_match_bssid) {
                                /* Fill value in RFD, Get the first
                                 * spatial stream only
                                 */
                                if (i == 0)
                                        pstatus->signalquality = (u8)(evm &
                                                                       0xff);
                                pstatus->rx_mimo_signalquality[i] = (u8)(evm &
                                                                          0xff);
                        }
                }

                if (bpacket_match_bssid) {
                        for (i = RF90_PATH_A; i <= RF90_PATH_B; i++)
                                rtl_priv(hw)->dm.cfo_tail[i] =
                                        (int)p_phystrpt->path_cfotail[i];

                        if (rtl_priv(hw)->dm.packet_count == 0xffffffff)
                                rtl_priv(hw)->dm.packet_count = 0;
                        else
                                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));
}

static void _rtl92ee_translate_rx_signal_stuff(struct ieee80211_hw *hw,
                                               struct sk_buff *skb,
                                               struct rtl_stats *pstatus,
                                               u8 *pdesc,
                                               struct rx_fwinfo *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 + 24;

        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(fc))
                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++;
        }

        _rtl92ee_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
                                   packet_matchbssid, packet_toself,
                                   packet_beacon);
        rtl_process_phyinfo(hw, tmp_buf, pstatus);
}

static void _rtl92ee_insert_emcontent(struct rtl_tcb_desc *ptcb_desc,
                                      u8 *virtualaddress8)
{
        u32 dwtmp;
        __le32 *virtualaddress = (__le32 *)virtualaddress8;

        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);
}

bool rtl92ee_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 *p_drvinfo;
        struct ieee80211_hdr *hdr;
        __le32 *pdesc = (__le32 *)pdesc8;
        u32 phystatus = get_rx_desc_physt(pdesc);
        u8 wake_match;

        if (get_rx_status_desc_rpt_sel(pdesc) == 0)
                status->packet_report_type = NORMAL_RX;
        else
                status->packet_report_type = C2H_PACKET;
        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->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
        status->timestamp_low = get_rx_desc_tsfl(pdesc);
        status->is_cck = RTL92EE_RX_HAL_IS_CCK_RATE(status->rate);

        status->macid = get_rx_desc_macid(pdesc);
        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 + 24);

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

        if (status->rx_is40mhzpacket)
                rx_status->bw = RATE_INFO_BW_40;

        if (status->is_ht)
                rx_status->encoding = RX_ENC_HT;

        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)
         * Notice: this is diff with windows define
         */
        rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
                                                   false, status->rate);

        rx_status->mactime = status->timestamp_low;
        if (phystatus) {
                p_drvinfo = (struct rx_fwinfo *)(skb->data +
                                                 status->rx_bufshift + 24);

                _rtl92ee_translate_rx_signal_stuff(hw, skb, status, pdesc8,
                                                   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;
}

/*in Windows, this == Rx_92EE_Interrupt*/
void rtl92ee_rx_check_dma_ok(struct ieee80211_hw *hw, u8 *header_desc8,
                             u8 queue_index)
{
        u8 first_seg = 0;
        u8 last_seg = 0;
        u16 total_len = 0;
        u16 read_cnt = 0;
        __le32 *header_desc = (__le32 *)header_desc8;

        if (header_desc == NULL)
                return;

        total_len = (u16)get_rx_buffer_desc_total_length(header_desc);

        first_seg = (u8)get_rx_buffer_desc_fs(header_desc);

        last_seg = (u8)get_rx_buffer_desc_ls(header_desc);

        while (total_len == 0 && first_seg == 0 && last_seg == 0) {
                read_cnt++;
                total_len = (u16)get_rx_buffer_desc_total_length(header_desc);
                first_seg = (u8)get_rx_buffer_desc_fs(header_desc);
                last_seg = (u8)get_rx_buffer_desc_ls(header_desc);

                if (read_cnt > 20)
                        break;
        }
}

u16 rtl92ee_rx_desc_buff_remained_cnt(struct ieee80211_hw *hw, u8 queue_index)
{
        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u16 read_point, write_point, remind_cnt;
        u32 tmp_4byte;
        static bool start_rx;

        tmp_4byte = rtl_read_dword(rtlpriv, REG_RXQ_TXBD_IDX);
        read_point = (u16)((tmp_4byte>>16) & 0x7ff);
        write_point = (u16)(tmp_4byte & 0x7ff);

        if (write_point != rtlpci->rx_ring[queue_index].next_rx_rp) {
                rtl_dbg(rtlpriv, COMP_RXDESC, DBG_DMESG,
                        "!!!write point is 0x%x, reg 0x3B4 value is 0x%x\n",
                        write_point, tmp_4byte);
                tmp_4byte = rtl_read_dword(rtlpriv, REG_RXQ_TXBD_IDX);
                read_point = (u16)((tmp_4byte>>16) & 0x7ff);
                write_point = (u16)(tmp_4byte & 0x7ff);
        }

        if (read_point > 0)
                start_rx = true;
        if (!start_rx)
                return 0;

        remind_cnt = calc_fifo_space(read_point, write_point,
                                     RTL_PCI_MAX_RX_COUNT);

        if (remind_cnt == 0)
                return 0;

        rtlpci->rx_ring[queue_index].next_rx_rp = write_point;

        return remind_cnt;
}

static u16 get_desc_addr_fr_q_idx(u16 queue_index)
{
        u16 desc_address;

        switch (queue_index) {
        case BK_QUEUE:
                desc_address = REG_BKQ_TXBD_IDX;
                break;
        case BE_QUEUE:
                desc_address = REG_BEQ_TXBD_IDX;
                break;
        case VI_QUEUE:
                desc_address = REG_VIQ_TXBD_IDX;
                break;
        case VO_QUEUE:
                desc_address = REG_VOQ_TXBD_IDX;
                break;
        case BEACON_QUEUE:
                desc_address = REG_BEQ_TXBD_IDX;
                break;
        case TXCMD_QUEUE:
                desc_address = REG_BEQ_TXBD_IDX;
                break;
        case MGNT_QUEUE:
                desc_address = REG_MGQ_TXBD_IDX;
                break;
        case HIGH_QUEUE:
                desc_address = REG_HI0Q_TXBD_IDX;
                break;
        case HCCA_QUEUE:
                desc_address = REG_BEQ_TXBD_IDX;
                break;
        default:
                desc_address = REG_BEQ_TXBD_IDX;
                break;
        }
        return desc_address;
}

u16 rtl92ee_get_available_desc(struct ieee80211_hw *hw, u8 q_idx)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u16 point_diff = 0;
        u16 current_tx_read_point, current_tx_write_point;
        u32 tmp_4byte;

        tmp_4byte = rtl_read_dword(rtlpriv,
                                   get_desc_addr_fr_q_idx(q_idx));
        current_tx_read_point = (u16)((tmp_4byte >> 16) & 0x0fff);
        current_tx_write_point = (u16)((tmp_4byte) & 0x0fff);

        point_diff = calc_fifo_space(current_tx_read_point,
                                     current_tx_write_point,
                                     TX_DESC_NUM_92E);

        return point_diff;
}

static void rtl92ee_pre_fill_tx_bd_desc(struct ieee80211_hw *hw,
                                        u8 *tx_bd_desc8, u8 *desc8,
                                        u8 queue_index,
                                        struct sk_buff *skb,
                                        dma_addr_t addr)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
        u32 pkt_len = skb->len;
        u16 desc_size = 40; /*tx desc size*/
        u32 psblen = 0;
        u16 tx_page_size;
        u32 total_packet_size;
        u16 current_bd_desc;
        u8 i;
        u16 real_desc_size = 0x28;
        u16     append_early_mode_size = 0;
        u8 segmentnum = 1 << (RTL8192EE_SEG_NUM + 1);
        dma_addr_t desc_dma_addr;
        bool dma64 = rtlpriv->cfg->mod_params->dma64;
        __le32 *desc = (__le32 *)desc8;
        __le32 *tx_bd_desc = (__le32 *)tx_bd_desc8;

        tx_page_size = 2;
        current_bd_desc = rtlpci->tx_ring[queue_index].cur_tx_wp;

        total_packet_size = desc_size+pkt_len;

        if (rtlpriv->rtlhal.earlymode_enable)   {
                if (queue_index < BEACON_QUEUE) {
                        append_early_mode_size = 8;
                        total_packet_size += append_early_mode_size;
                }
        }

        if (tx_page_size > 0) {
                psblen = (pkt_len + real_desc_size + append_early_mode_size) /
                         (tx_page_size * 128);

                if (psblen * (tx_page_size * 128) < total_packet_size)
                        psblen += 1;
        }

        /* tx desc addr */
        desc_dma_addr = rtlpci->tx_ring[queue_index].dma +
                        (current_bd_desc * TX_DESC_SIZE);

        /* Reset */
        set_tx_buff_desc_len_0(tx_bd_desc, 0);
        set_tx_buff_desc_psb(tx_bd_desc, 0);
        set_tx_buff_desc_own(tx_bd_desc, 0);

        for (i = 1; i < segmentnum; i++) {
                set_txbuffer_desc_len_with_offset(tx_bd_desc, i, 0);
                set_txbuffer_desc_amsdu_with_offset(tx_bd_desc, i, 0);
                set_txbuffer_desc_add_low_with_offset(tx_bd_desc, i, 0);
                set_txbuffer_desc_add_high_with_offset(tx_bd_desc, i, 0, dma64);
        }

        /* Clear all status */
        clear_pci_tx_desc_content(desc, TX_DESC_SIZE);

        if (rtlpriv->rtlhal.earlymode_enable) {
                if (queue_index < BEACON_QUEUE) {
                        /* This if needs braces */
                        set_tx_buff_desc_len_0(tx_bd_desc, desc_size + 8);
                } else {
                        set_tx_buff_desc_len_0(tx_bd_desc, desc_size);
                }
        } else {
                set_tx_buff_desc_len_0(tx_bd_desc, desc_size);
        }
        set_tx_buff_desc_psb(tx_bd_desc, psblen);
        set_tx_buff_desc_addr_low_0(tx_bd_desc, desc_dma_addr);
        set_tx_buff_desc_addr_high_0(tx_bd_desc, ((u64)desc_dma_addr >> 32),
                                     dma64);

        set_txbuffer_desc_len_with_offset(tx_bd_desc, 1, pkt_len);
        /* don't using extendsion mode. */
        set_txbuffer_desc_amsdu_with_offset(tx_bd_desc, 1, 0);
        set_txbuffer_desc_add_low_with_offset(tx_bd_desc, 1, addr);
        set_txbuffer_desc_add_high_with_offset(tx_bd_desc, 1,
                                               ((u64)addr >> 32), dma64);

        set_tx_desc_pkt_size(desc, (u16)(pkt_len));
        set_tx_desc_tx_buffer_size(desc, (u16)(pkt_len));
}

void rtl92ee_tx_fill_desc(struct ieee80211_hw *hw,
                          struct ieee80211_hdr *hdr, u8 *pdesc8,
                          u8 *pbd_desc_tx,
                          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;
        u8 fw_qsel = _rtl92ee_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 bw_40 = 0;
        __le32 *pdesc = (__le32 *)pdesc8;

        if (mac->opmode == NL80211_IFTYPE_STATION) {
                bw_40 = mac->bw_40;
        } else if (mac->opmode == NL80211_IFTYPE_AP ||
                   mac->opmode == NL80211_IFTYPE_ADHOC) {
                if (sta)
                        bw_40 = sta->deflink.ht_cap.cap &
                                IEEE80211_HT_CAP_SUP_WIDTH_20_40;
        }
        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);
        }
        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;
        }

        if (pbd_desc_tx != NULL)
                rtl92ee_pre_fill_tx_bd_desc(hw, pbd_desc_tx, pdesc8, hw_queue,
                                            skb, mapping);

        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);
                                _rtl92ee_insert_emcontent(ptcb_desc,
                                                          (u8 *)(skb->data));
                        }
                } else {
                        set_tx_desc_offset(pdesc, USB_HWDESC_HEADER_LEN);
                }


                set_tx_desc_tx_rate(pdesc, ptcb_desc->hw_rate);

                if (ieee80211_is_mgmt(fc)) {
                        ptcb_desc->use_driver_rate = true;
                } else {
                        if (rtlpriv->ra.is_special_data) {
                                ptcb_desc->use_driver_rate = true;
                                set_tx_desc_tx_rate(pdesc, DESC_RATE11M);
                        } else {
                                ptcb_desc->use_driver_rate = false;
                        }
                }

                if (info->flags & IEEE80211_TX_CTL_AMPDU) {
                        set_tx_desc_agg_enable(pdesc, 1);
                        set_tx_desc_max_agg_num(pdesc, 0x14);
                }
                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);
                set_tx_desc_rts_short(pdesc,
                                ((ptcb_desc->rts_rate <= DESC_RATE54M) ?
                                 (ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
                                 (ptcb_desc->rts_use_shortgi ? 1 : 0)));

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

                if (bw_40) {
                        if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
                                set_tx_desc_data_bw(pdesc, 1);
                                set_tx_desc_tx_sub_carrier(pdesc, 3);
                        } else {
                                set_tx_desc_data_bw(pdesc, 0);
                                set_tx_desc_tx_sub_carrier(pdesc,
                                                           mac->cur_40_prime_sc);
                        }
                } else {
                        set_tx_desc_data_bw(pdesc, 0);
                        set_tx_desc_tx_sub_carrier(pdesc, 0);
                }

                set_tx_desc_linip(pdesc, 0);
                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 *key = info->control.hw_key;

                        switch (key->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);

                /*set_tx_desc_pwr_status(pdesc, pwr_status);*/
                /* Set TxRate and RTSRate in TxDesc  */
                /* This prevent Tx initial rate of new-coming packets */
                /* from being overwritten by retried  packet rate.*/
                if (!ptcb_desc->use_driver_rate) {
                        /*set_tx_desc_rts_rate(pdesc, 0x08); */
                        /* set_tx_desc_tx_rate(pdesc, 0x0b); */
                }
                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_address(pdesc, mapping);
        if (rtlpriv->dm.useramask) {
                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->ratr_index);
        }

        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);
        }
        rtl_dbg(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
}

void rtl92ee_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;
        dma_addr_t mapping = dma_map_single(&rtlpci->pdev->dev, skb->data,
                                            skb->len, DMA_TO_DEVICE);
        u8 txdesc_len = 40;
        __le32 *pdesc = (__le32 *)pdesc8;

        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, txdesc_len);

        set_tx_desc_offset(pdesc, txdesc_len);

        set_tx_desc_tx_rate(pdesc, DESC_RATE1M);

        set_tx_desc_seq(pdesc, 0);

        set_tx_desc_linip(pdesc, 0);

        set_tx_desc_queue_sel(pdesc, fw_queue);

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

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

        set_tx_desc_tx_buffer_address(pdesc, mapping);

        set_tx_desc_rate_id(pdesc, 7);
        set_tx_desc_macid(pdesc, 0);

        set_tx_desc_own(pdesc, 1);

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

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

        set_tx_desc_offset(pdesc, 40);

        set_tx_desc_use_rate(pdesc, 1);

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

void rtl92ee_set_desc(struct ieee80211_hw *hw, u8 *pdesc8, bool istx,
                      u8 desc_name, u8 *val)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u8 q_idx = *val;
        bool dma64 = rtlpriv->cfg->mod_params->dma64;
        __le32 *pdesc = (__le32 *)pdesc8;

        if (istx) {
                switch (desc_name) {
                case HW_DESC_TX_NEXTDESC_ADDR:
                        set_tx_desc_next_desc_address(pdesc, *(u32 *)val);
                        break;
                case HW_DESC_OWN:{
                        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
                        struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[q_idx];
                        u16 max_tx_desc = ring->entries;

                        if (q_idx == BEACON_QUEUE) {
                                ring->cur_tx_wp = 0;
                                ring->cur_tx_rp = 0;
                                set_tx_buff_desc_own(pdesc, 1);
                                return;
                        }

                        /* make sure tx desc is available by caller */
                        ring->cur_tx_wp = ((ring->cur_tx_wp + 1) % max_tx_desc);

                        rtl_write_word(rtlpriv,
                                       get_desc_addr_fr_q_idx(q_idx),
                                       ring->cur_tx_wp);
                }
                break;
                }
        } else {
                switch (desc_name) {
                case HW_DESC_RX_PREPARE:
                        set_rx_buffer_desc_ls(pdesc, 0);
                        set_rx_buffer_desc_fs(pdesc, 0);
                        set_rx_buffer_desc_total_length(pdesc, 0);

                        set_rx_buffer_desc_data_length(pdesc,
                                                       MAX_RECEIVE_BUFFER_SIZE +
                                                       RX_DESC_SIZE);

                        set_rx_buffer_physical_low(pdesc, (*(dma_addr_t *)val) &
                                                   DMA_BIT_MASK(32));
                        set_rx_buffer_physical_high(pdesc,
                                                    ((u64)(*(dma_addr_t *)val)
                                                    >> 32),
                                                    dma64);
                        break;
                case HW_DESC_RXERO:
                        set_rx_desc_eor(pdesc, 1);
                        break;
                default:
                        WARN_ONCE(true,
                                  "rtl8192ee: ERR rxdesc :%d not processed\n",
                                  desc_name);
                        break;
                }
        }
}

u64 rtl92ee_get_desc(struct ieee80211_hw *hw,
                     u8 *pdesc8, bool istx, u8 desc_name)
{
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u64 ret = 0;
        bool dma64 = rtlpriv->cfg->mod_params->dma64;
        __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_txbuffer_desc_addr_low(pdesc, 1);
                        ret |= (u64)get_txbuffer_desc_addr_high(pdesc, 1,
                                                                dma64) << 32;
                        break;
                default:
                        WARN_ONCE(true,
                                  "rtl8192ee: 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,
                                  "rtl8192ee: ERR rxdesc :%d not processed\n",
                                  desc_name);
                        break;
                }
        }
        return ret;
}

bool rtl92ee_is_tx_desc_closed(struct ieee80211_hw *hw, u8 hw_queue, u16 index)
{
        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        u16 read_point, write_point;
        bool ret = false;
        struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];

        {
                u16 cur_tx_rp;
                u32 tmpu32;

                tmpu32 =
                  rtl_read_dword(rtlpriv,
                                 get_desc_addr_fr_q_idx(hw_queue));
                cur_tx_rp = (u16)((tmpu32 >> 16) & 0x0fff);

                /* don't need to update ring->cur_tx_wp */
                ring->cur_tx_rp = cur_tx_rp;
        }

        read_point = ring->cur_tx_rp;
        write_point = ring->cur_tx_wp;

        if (write_point > read_point) {
                if (index < write_point && index >= read_point)
                        ret = false;
                else
                        ret = true;
        } else if (write_point < read_point) {
                if (index > write_point && index < read_point)
                        ret = true;
                else
                        ret = false;
        } else {
                if (index != read_point)
                        ret = true;
        }

        if (hw_queue == BEACON_QUEUE)
                ret = true;

        if (rtlpriv->rtlhal.driver_is_goingto_unload ||
            rtlpriv->psc.rfoff_reason > RF_CHANGE_BY_PS)
                ret = true;

        return ret;
}

void rtl92ee_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
{
}