rtlwifi: rtl8188ee: Add new driver

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: jcheung@suse.com
Cc: machen@suse.com
Cc: mmarek@suse.cz
Cc: page_he@realsil.com.cn
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 817 insertions, 0 deletions

diff --git a/drivers/net/wireless/rtlwifi/rtl8188ee/trx.c b/drivers/net/wireless/rtlwifi/rtl8188ee/trx.c
new file mode 100644
index 0000000..2518531
--- /dev/null
+++ b/drivers/net/wireless/rtlwifi/rtl8188ee/trx.c
@@ -0,0 +1,817 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2013  Realtek Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ * Larry Finger <Larry.Finger@lwfinger.net>
+ *
+ *****************************************************************************/
+
+#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"
+
+static u8 _rtl88ee_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 _rtl88ee_query_rxphystatus(struct ieee80211_hw *hw,
+			struct rtl_stats *pstatus, u8 *pdesc,
+			struct rx_fwinfo_88e *p_drvinfo,
+			bool bpacket_match_bssid,
+			bool bpacket_toself, bool packet_beacon)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
+	struct phy_sts_cck_8192s_t *cck_buf;
+	struct phy_status_rpt *phystrpt = (struct phy_status_rpt *)p_drvinfo;
+	struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
+	char rx_pwr_all = 0, 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_sig_qual[0] = -1;
+	pstatus->rx_mimo_sig_qual[1] = -1;
+
+	if (is_cck) {
+		u8 cck_hipwr;
+		u8 cck_agc_rpt;
+		/* CCK Driver info Structure is not the same as OFDM packet. */
+		cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
+		cck_agc_rpt = cck_buf->cck_agc_rpt;
+
+		/* (1)Hardware does not provide RSSI for CCK
+		 * (2)PWDB, Average PWDB cacluated by
+		 * hardware (for rate adaptive)
+		 */
+		if (ppsc->rfpwr_state == ERFON)
+			cck_hipwr = rtl_get_bbreg(hw, RFPGA0_XA_HSSIPARAMETER2,
+						  BIT(9));
+		else
+			cck_hipwr = false;
+
+		lan_idx = ((cck_agc_rpt & 0xE0) >> 5);
+		vga_idx = (cck_agc_rpt & 0x1f);
+		switch (lan_idx) {
+		case 7:
+			if (vga_idx <= 27)
+				rx_pwr_all = -100 + 2 * (27 - vga_idx);
+			else
+				rx_pwr_all = -100;
+			break;
+		case 6:
+			rx_pwr_all = -48 + 2 * (2 - vga_idx); /*VGA_idx = 2~0*/
+			break;
+		case 5:
+			rx_pwr_all = -42 + 2 * (7 - vga_idx); /*VGA_idx = 7~5*/
+			break;
+		case 4:
+			rx_pwr_all = -36 + 2 * (7 - vga_idx); /*VGA_idx = 7~4*/
+			break;
+		case 3:
+			rx_pwr_all = -24 + 2 * (7 - vga_idx); /*VGA_idx = 7~0*/
+			break;
+		case 2:
+			if (cck_hipwr)
+				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);
+		/* CCK gain is smaller than OFDM/MCS gain,
+		 * so we add gain diff by experiences,
+		 * the val is 6
+		 */
+		pwdb_all += 6;
+		if (pwdb_all > 100)
+			pwdb_all = 100;
+		/* modify the offset to make the same
+		 * gain index with OFDM.
+		 */
+		if (pwdb_all > 34 && pwdb_all <= 42)
+			pwdb_all -= 2;
+		else if (pwdb_all > 26 && pwdb_all <= 34)
+			pwdb_all -= 6;
+		else if (pwdb_all > 14 && pwdb_all <= 26)
+			pwdb_all -= 8;
+		else if (pwdb_all > 4 && pwdb_all <= 14)
+			pwdb_all -= 4;
+		if (cck_hipwr == false) {
+			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->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 = cck_buf->sq_rpt;
+				if (sq > 64)
+					sq = 0;
+				else if (sq < 20)
+					sq = 100;
+				else
+					sq = ((64 - sq) * 100) / 44;
+			}
+
+			pstatus->signalquality = sq;
+			pstatus->rx_mimo_sig_qual[0] = sq;
+			pstatus->rx_mimo_sig_qual[1] = -1;
+		}
+	} else {
+		rtlpriv->dm.rfpath_rxenable[0] =
+		    rtlpriv->dm.rfpath_rxenable[1] = true;
+
+		/* (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_drvinfo->gain_trsw[i] & 0x3f) * 2)-110;
+
+			/* Translate DBM to percentage. */
+			rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
+			total_rssi += rssi;
+
+			/* Get Rx snr value in DB */
+			rtlpriv->stats.rx_snr_db[i] = p_drvinfo->rxsnr[i] / 2;
+
+			/* Record Signal Strength for next packet */
+			if (bpacket_match_bssid)
+				pstatus->rx_mimo_signalstrength[i] = (u8) rssi;
+		}
+
+		/* (2)PWDB, Average PWDB cacluated 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 >= DESC92C_RATEMCS8 &&
+		    pstatus->rate <= DESC92C_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_drvinfo->rxevm[i]);
+
+			if (bpacket_match_bssid) {
+				/* Fill value in RFD, Get the first
+				 * spatial stream only
+				 */
+				if (i == 0)
+					pstatus->signalquality = evm & 0xff;
+				pstatus->rx_mimo_sig_qual[i] = evm & 0xff;
+			}
+		}
+	}
+
+	/* 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 = phystrpt->ant_sel;
+	rtldm->fat_table.antsel_rx_keep_1 = phystrpt->ant_sel_b;
+	rtldm->fat_table.antsel_rx_keep_2 = phystrpt->antsel_rx_keep_2;
+}
+
+static void _rtl88ee_smart_antenna(struct ieee80211_hw *hw,
+	struct rtl_stats *pstatus)
+{
+	struct rtl_dm *rtldm = rtl_dm(rtl_priv(hw));
+	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+	u8 ant_mux;
+	struct fast_ant_training *pfat = &(rtldm->fat_table);
+
+	if (rtlefuse->antenna_div_type == CG_TRX_SMART_ANTDIV) {
+		if (pfat->fat_state == FAT_TRAINING_STATE) {
+			if (pstatus->packet_toself) {
+				ant_mux = (pfat->antsel_rx_keep_2 << 2) |
+						(pfat->antsel_rx_keep_1 << 1) |
+						 pfat->antsel_rx_keep_0;
+				pfat->ant_sum[ant_mux] += pstatus->rx_pwdb_all;
+				pfat->ant_cnt[ant_mux]++;
+			}
+		}
+	} else if ((rtlefuse->antenna_div_type == CG_TRX_HW_ANTDIV) ||
+		   (rtlefuse->antenna_div_type == CGCS_RX_HW_ANTDIV)) {
+		if (pstatus->packet_toself || pstatus->packet_matchbssid) {
+			ant_mux = (pfat->antsel_rx_keep_2 << 2) |
+				  (pfat->antsel_rx_keep_1 << 1) |
+				   pfat->antsel_rx_keep_0;
+			rtl88e_dm_ant_sel_statistics(hw, ant_mux, 0,
+						     pstatus->rx_pwdb_all);
+		}
+	}
+}
+
+static void _rtl88ee_translate_rx_signal_stuff(struct ieee80211_hw *hw,
+		struct sk_buff *skb, struct rtl_stats *pstatus,
+		u8 *pdesc, struct rx_fwinfo_88e *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;
+	u16 type, ufc;
+	bool match_bssid, packet_toself, packet_beacon, addr;
+
+	tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
+
+	hdr = (struct ieee80211_hdr *)tmp_buf;
+	fc = hdr->frame_control;
+	ufc = le16_to_cpu(fc);
+	type = WLAN_FC_GET_TYPE(fc);
+	praddr = hdr->addr1;
+	psaddr = ieee80211_get_SA(hdr);
+	memcpy(pstatus->psaddr, psaddr, ETH_ALEN);
+
+	addr = (!compare_ether_addr(mac->bssid, (ufc & IEEE80211_FCTL_TODS) ?
+		hdr->addr1 : (ufc & IEEE80211_FCTL_FROMDS) ?
+		hdr->addr2 : hdr->addr3));
+	match_bssid = ((IEEE80211_FTYPE_CTL != type) && (!pstatus->hwerror) &&
+		       (!pstatus->crc) && (!pstatus->icv)) && addr;
+
+	addr = (!compare_ether_addr(praddr, rtlefuse->dev_addr));
+	packet_toself = match_bssid && addr;
+
+	if (ieee80211_is_beacon(fc))
+		packet_beacon = true;
+
+	_rtl88ee_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
+				   match_bssid, packet_toself, packet_beacon);
+	_rtl88ee_smart_antenna(hw, pstatus);
+	rtl_process_phyinfo(hw, tmp_buf, pstatus);
+}
+
+static void insert_em(struct rtl_tcb_desc *ptcb_desc, u8 *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);
+}
+
+bool rtl88ee_rx_query_desc(struct ieee80211_hw *hw,
+			   struct rtl_stats *status,
+			   struct ieee80211_rx_status *rx_status,
+			   u8 *pdesc, struct sk_buff *skb)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	struct rx_fwinfo_88e *p_drvinfo;
+	struct ieee80211_hdr *hdr;
+
+	u32 phystatus = GET_RX_DESC_PHYST(pdesc);
+	status->packet_report_type = (u8)GET_RX_STATUS_DESC_RPT_SEL(pdesc);
+	if (status->packet_report_type == TX_REPORT2)
+		status->length = (u16) GET_RX_RPT2_DESC_PKT_LEN(pdesc);
+	else
+		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) &&
+					(GET_RX_DESC_FAGGR(pdesc) == 1));
+	if (status->packet_report_type == NORMAL_RX)
+		status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
+	status->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
+	status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
+
+	status->is_cck = RTL8188_RX_HAL_IS_CCK_RATE(status->rate);
+
+	status->macid = GET_RX_DESC_MACID(pdesc);
+	if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
+		status->wake_match = BIT(2);
+	else if (GET_RX_STATUS_DESC_MAGIC_MATCH(pdesc))
+		status->wake_match = BIT(1);
+	else if (GET_RX_STATUS_DESC_UNICAST_MATCH(pdesc))
+		status->wake_match = BIT(0);
+	else
+		status->wake_match = 0;
+	if (status->wake_match)
+		RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD,
+			 "Get Wakeup Packet!! WakeMatch =%d\n",
+			 status->wake_match);
+	rx_status->freq = hw->conf.channel->center_freq;
+	rx_status->band = hw->conf.channel->band;
+
+	if (status->crc)
+		rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
+
+	if (status->rx_is40Mhzpacket)
+		rx_status->flag |= RX_FLAG_40MHZ;
+
+	if (status->is_ht)
+		rx_status->flag |= RX_FLAG_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) {
+		hdr = (struct ieee80211_hdr *)(skb->data +
+		       status->rx_drvinfo_size + status->rx_bufshift);
+
+		if (!hdr) {
+			/* During testing, hdr was NULL */
+			return false;
+		}
+		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,
+						   status->rate, false);
+
+	rx_status->mactime = status->timestamp_low;
+	if (phystatus == true) {
+		p_drvinfo = (struct rx_fwinfo_88e *)(skb->data +
+						     status->rx_bufshift);
+
+		_rtl88ee_translate_rx_signal_stuff(hw, skb, status, pdesc,
+						   p_drvinfo);
+	}
+
+	/*rx_status->qual = status->signal; */
+	rx_status->signal = status->recvsignalpower + 10;
+	/*rx_status->noise = -status->noise; */
+	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;
+}
+
+void rtl88ee_tx_fill_desc(struct ieee80211_hw *hw,
+			  struct ieee80211_hdr *hdr, u8 *pdesc_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);
+	u8 *pdesc = (u8 *)pdesc_tx;
+	u16 seq_number;
+	__le16 fc = hdr->frame_control;
+	unsigned int buf_len = 0;
+	unsigned int skb_len = skb->len;
+	u8 fw_qsel = _rtl88ee_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;
+	u8 short_gi = 0;
+
+	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->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);
+	}
+	buf_len = skb->len;
+	mapping = pci_map_single(rtlpci->pdev, skb->data, skb->len,
+				 PCI_DMA_TODEVICE);
+	if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
+		RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
+			 "DMA mapping error");
+		return;
+	}
+	CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_88e));
+	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) {
+				RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
+					 "Insert 8 byte.pTcb->EMPktNum:%d\n",
+					 ptcb_desc->empkt_num);
+				insert_em(ptcb_desc, (u8 *)(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 > DESC92C_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, 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_STBC(pdesc, ((ptcb_desc->rts_stbc) ? 1 : 0));
+
+		SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
+		SET_TX_DESC_RTS_BW(pdesc, 0);
+		SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
+		SET_TX_DESC_RTS_SHORT(pdesc,
+			((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
+			(ptcb_desc->rts_use_shortpreamble ? 1 : 0) :
+			(ptcb_desc->rts_use_shortgi ? 1 : 0)));
+
+		if (ptcb_desc->btx_enable_sw_calc_duration)
+			SET_TX_DESC_NAV_USE_HDR(pdesc, 1);
+
+		if (bw_40) {
+			if (ptcb_desc->packet_bw) {
+				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);
+		SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb_len);
+		if (sta) {
+			u8 ampdu_density = sta->ht_cap.ampdu_density;
+			SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
+		}
+		if (info->control.hw_key) {
+			struct ieee80211_key_conf *keyconf;
+			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);
+
+		/* 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) {
+				RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
+					 "Enable RDG function.\n");
+				SET_TX_DESC_RDG_ENABLE(pdesc, 1);
+				SET_TX_DESC_HTC(pdesc, 1);
+			}
+		}
+	}
+
+	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, (u16) buf_len);
+	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);
+	}
+	if (ieee80211_is_data_qos(fc))
+		SET_TX_DESC_QOS(pdesc, 1);
+
+	if (!ieee80211_is_data_qos(fc))
+		SET_TX_DESC_HWSEQ_EN(pdesc, 1);
+	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);
+
+	rtl88e_dm_set_tx_ant_by_tx_info(hw, pdesc, ptcb_desc->mac_id);
+	RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
+}
+
+void rtl88ee_tx_fill_cmddesc(struct ieee80211_hw *hw,
+			     u8 *pdesc, bool firstseg,
+			     bool lastseg, 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 = pci_map_single(rtlpci->pdev,
+					    skb->data, skb->len,
+					    PCI_DMA_TODEVICE);
+
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
+	__le16 fc = hdr->frame_control;
+
+	if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
+		RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
+			 "DMA mapping error");
+		return;
+	}
+	CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
+
+	if (firstseg)
+		SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
+
+	SET_TX_DESC_TX_RATE(pdesc, DESC92C_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((u8 *)pdesc, (u16)(skb->len));
+
+	SET_TX_DESC_FIRST_SEG(pdesc, 1);
+	SET_TX_DESC_LAST_SEG(pdesc, 1);
+
+	SET_TX_DESC_OFFSET(pdesc, 0x20);
+
+	SET_TX_DESC_USE_RATE(pdesc, 1);
+
+	if (!ieee80211_is_data_qos(fc))
+		SET_TX_DESC_HWSEQ_EN(pdesc, 1);
+
+	RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
+		      "H2C Tx Cmd Content\n",
+		      pdesc, TX_DESC_SIZE);
+}
+
+void rtl88ee_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
+{
+	if (istx == true) {
+		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:
+			RT_ASSERT(false, "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:
+			RT_ASSERT(false, "ERR rxdesc :%d not processed\n",
+				  desc_name);
+			break;
+		}
+	}
+}
+
+u32 rtl88ee_get_desc(u8 *pdesc, bool istx, u8 desc_name)
+{
+	u32 ret = 0;
+
+	if (istx == true) {
+		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:
+			RT_ASSERT(false, "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;
+		default:
+			RT_ASSERT(false, "ERR rxdesc :%d not processed\n",
+				  desc_name);
+			break;
+		}
+	}
+	return ret;
+}
+
+void rtl88ee_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));
+	}
+}