staging: r8188eu: Add files for new driver - part 7

This commit adds core/rtw_wlan_util.c and core/rtw_xmit.c

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_wlan_util.c

@@ -0,0 +1,1689 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
+ *
+ * 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
+ *
+ *
+ ******************************************************************************/
+#define _RTW_WLAN_UTIL_C_
+
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <wifi.h>
+
+static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
+static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
+
+static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
+static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
+
+static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
+static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
+static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
+static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
+static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
+static unsigned char EPIGRAM_OUI[] = {0x00, 0x90, 0x4c};
+
+unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
+
+#define R2T_PHY_DELAY	(0)
+
+/* define WAIT_FOR_BCN_TO_M	(3000) */
+#define WAIT_FOR_BCN_TO_MIN	(6000)
+#define WAIT_FOR_BCN_TO_MAX	(20000)
+
+static u8 rtw_basic_rate_cck[4] = {
+	IEEE80211_CCK_RATE_1MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB|IEEE80211_BASIC_RATE_MASK,
+	IEEE80211_CCK_RATE_5MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB|IEEE80211_BASIC_RATE_MASK
+};
+
+static u8 rtw_basic_rate_ofdm[3] = {
+	IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
+	IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
+};
+
+static u8 rtw_basic_rate_mix[7] = {
+	IEEE80211_CCK_RATE_1MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB|IEEE80211_BASIC_RATE_MASK,
+	IEEE80211_CCK_RATE_5MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB|IEEE80211_BASIC_RATE_MASK,
+	IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
+	IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
+};
+
+int cckrates_included(unsigned char *rate, int ratelen)
+{
+	int	i;
+
+	for (i = 0; i < ratelen; i++) {
+		if  ((((rate[i]) & 0x7f) == 2)	|| (((rate[i]) & 0x7f) == 4) ||
+		     (((rate[i]) & 0x7f) == 11)  || (((rate[i]) & 0x7f) == 22))
+			return true;
+	}
+	return false;
+}
+
+int cckratesonly_included(unsigned char *rate, int ratelen)
+{
+	int	i;
+
+	for (i = 0; i < ratelen; i++) {
+		if  ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
+			   (((rate[i]) & 0x7f) != 11)  && (((rate[i]) & 0x7f) != 22))
+		return false;
+	}
+
+	return true;
+}
+
+unsigned char networktype_to_raid(unsigned char network_type)
+{
+	unsigned char raid;
+
+	switch (network_type) {
+	case WIRELESS_11B:
+		raid = RATR_INX_WIRELESS_B;
+		break;
+	case WIRELESS_11A:
+	case WIRELESS_11G:
+		raid = RATR_INX_WIRELESS_G;
+		break;
+	case WIRELESS_11BG:
+		raid = RATR_INX_WIRELESS_GB;
+		break;
+	case WIRELESS_11_24N:
+	case WIRELESS_11_5N:
+		raid = RATR_INX_WIRELESS_N;
+		break;
+	case WIRELESS_11A_5N:
+	case WIRELESS_11G_24N:
+		raid = RATR_INX_WIRELESS_NG;
+		break;
+	case WIRELESS_11BG_24N:
+		raid = RATR_INX_WIRELESS_NGB;
+		break;
+	default:
+		raid = RATR_INX_WIRELESS_GB;
+		break;
+	}
+	return raid;
+}
+
+u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen)
+{
+	u8 network_type = 0;
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	if (pmlmeext->cur_channel > 14) {
+		if (pmlmeinfo->HT_enable)
+			network_type = WIRELESS_11_5N;
+
+		network_type |= WIRELESS_11A;
+	} else {
+		if (pmlmeinfo->HT_enable)
+			network_type = WIRELESS_11_24N;
+
+		if ((cckratesonly_included(rate, ratelen)) == true)
+			network_type |= WIRELESS_11B;
+		else if ((cckrates_included(rate, ratelen)) == true)
+			network_type |= WIRELESS_11BG;
+		else
+			network_type |= WIRELESS_11G;
+	}
+	return	network_type;
+}
+
+static unsigned char ratetbl_val_2wifirate(unsigned char rate)
+{
+	unsigned char val = 0;
+
+	switch (rate & 0x7f) {
+	case 0:
+		val = IEEE80211_CCK_RATE_1MB;
+		break;
+	case 1:
+		val = IEEE80211_CCK_RATE_2MB;
+		break;
+	case 2:
+		val = IEEE80211_CCK_RATE_5MB;
+		break;
+	case 3:
+		val = IEEE80211_CCK_RATE_11MB;
+		break;
+	case 4:
+		val = IEEE80211_OFDM_RATE_6MB;
+		break;
+	case 5:
+		val = IEEE80211_OFDM_RATE_9MB;
+		break;
+	case 6:
+		val = IEEE80211_OFDM_RATE_12MB;
+		break;
+	case 7:
+		val = IEEE80211_OFDM_RATE_18MB;
+		break;
+	case 8:
+		val = IEEE80211_OFDM_RATE_24MB;
+		break;
+	case 9:
+		val = IEEE80211_OFDM_RATE_36MB;
+		break;
+	case 10:
+		val = IEEE80211_OFDM_RATE_48MB;
+		break;
+	case 11:
+		val = IEEE80211_OFDM_RATE_54MB;
+		break;
+	}
+	return val;
+}
+
+static int is_basicrate(struct adapter *padapter, unsigned char rate)
+{
+	int i;
+	unsigned char val;
+	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+
+	for (i = 0; i < NumRates; i++) {
+		val = pmlmeext->basicrate[i];
+
+		if ((val != 0xff) && (val != 0xfe)) {
+			if (rate == ratetbl_val_2wifirate(val))
+				return true;
+		}
+	}
+	return false;
+}
+
+static unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
+{
+	int i;
+	unsigned char rate;
+	unsigned int	len = 0;
+	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+
+	for (i = 0; i < NumRates; i++) {
+		rate = pmlmeext->datarate[i];
+
+		switch (rate) {
+		case 0xff:
+			return len;
+		case 0xfe:
+			continue;
+		default:
+			rate = ratetbl_val_2wifirate(rate);
+
+			if (is_basicrate(padapter, rate) == true)
+				rate |= IEEE80211_BASIC_RATE_MASK;
+
+			rateset[len] = rate;
+			len++;
+			break;
+		}
+	}
+	return len;
+}
+
+void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
+{
+	unsigned char supportedrates[NumRates];
+
+	_rtw_memset(supportedrates, 0, NumRates);
+	*bssrate_len = ratetbl2rateset(padapter, supportedrates);
+	memcpy(pbssrate, supportedrates, *bssrate_len);
+}
+
+void UpdateBrateTbl(struct adapter *Adapter, u8 *mbrate)
+{
+	u8	i;
+	u8	rate;
+
+	/*  1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
+	for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
+		rate = mbrate[i] & 0x7f;
+		switch (rate) {
+		case IEEE80211_CCK_RATE_1MB:
+		case IEEE80211_CCK_RATE_2MB:
+		case IEEE80211_CCK_RATE_5MB:
+		case IEEE80211_CCK_RATE_11MB:
+		case IEEE80211_OFDM_RATE_6MB:
+		case IEEE80211_OFDM_RATE_12MB:
+		case IEEE80211_OFDM_RATE_24MB:
+			mbrate[i] |= IEEE80211_BASIC_RATE_MASK;
+			break;
+		}
+	}
+}
+
+void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
+{
+	u8	i;
+	u8	rate;
+
+	for (i = 0; i < bssratelen; i++) {
+		rate = bssrateset[i] & 0x7f;
+		switch (rate) {
+		case IEEE80211_CCK_RATE_1MB:
+		case IEEE80211_CCK_RATE_2MB:
+		case IEEE80211_CCK_RATE_5MB:
+		case IEEE80211_CCK_RATE_11MB:
+			bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
+			break;
+		}
+	}
+}
+
+void Save_DM_Func_Flag(struct adapter *padapter)
+{
+	u8	saveflag = true;
+
+	rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
+}
+
+void Restore_DM_Func_Flag(struct adapter *padapter)
+{
+	u8	saveflag = false;
+
+	rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
+}
+
+void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
+{
+	if (enable)
+		rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
+	else
+		rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
+}
+
+static void Set_NETYPE0_MSR(struct adapter *padapter, u8 type)
+{
+	rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
+}
+
+void Set_MSR(struct adapter *padapter, u8 type)
+{
+	Set_NETYPE0_MSR(padapter, type);
+}
+
+inline u8 rtw_get_oper_ch(struct adapter *adapter)
+{
+	return adapter->mlmeextpriv.oper_channel;
+}
+
+inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
+{
+	adapter->mlmeextpriv.oper_channel = ch;
+}
+
+inline u8 rtw_get_oper_bw(struct adapter *adapter)
+{
+	return adapter->mlmeextpriv.oper_bwmode;
+}
+
+inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
+{
+	adapter->mlmeextpriv.oper_bwmode = bw;
+}
+
+inline u8 rtw_get_oper_choffset(struct adapter *adapter)
+{
+	return adapter->mlmeextpriv.oper_ch_offset;
+}
+
+inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
+{
+	adapter->mlmeextpriv.oper_ch_offset = offset;
+}
+
+void SelectChannel(struct adapter *padapter, unsigned char channel)
+{
+	/* saved channel info */
+	rtw_set_oper_ch(padapter, channel);
+	rtw_hal_set_chan(padapter, channel);
+}
+
+void SetBWMode(struct adapter *padapter, unsigned short bwmode,
+	       unsigned char channel_offset)
+{
+	/* saved bw info */
+	rtw_set_oper_bw(padapter, bwmode);
+	rtw_set_oper_choffset(padapter, channel_offset);
+
+	rtw_hal_set_bwmode(padapter, (enum ht_channel_width)bwmode, channel_offset);
+}
+
+void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
+{
+	u8 center_ch;
+
+	if (padapter->bNotifyChannelChange)
+		DBG_88E("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode);
+
+	if ((bwmode == HT_CHANNEL_WIDTH_20) ||
+	    (channel_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)) {
+		/* SelectChannel(padapter, channel); */
+		center_ch = channel;
+	} else {
+		/* switch to the proper channel */
+		if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) {
+			/* SelectChannel(padapter, channel + 2); */
+			center_ch = channel + 2;
+		} else {
+			/* SelectChannel(padapter, channel - 2); */
+			center_ch = channel - 2;
+		}
+	}
+
+	/* set Channel */
+	/* saved channel/bw info */
+	rtw_set_oper_ch(padapter, channel);
+	rtw_set_oper_bw(padapter, bwmode);
+	rtw_set_oper_choffset(padapter, channel_offset);
+
+	rtw_hal_set_chan(padapter, center_ch); /*  set center channel */
+	SetBWMode(padapter, bwmode, channel_offset);
+}
+
+int get_bsstype(unsigned short capability)
+{
+	if (capability & BIT(0))
+		return WIFI_FW_AP_STATE;
+	else if (capability & BIT(1))
+		return WIFI_FW_ADHOC_STATE;
+	else
+		return 0;
+}
+
+__inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
+{
+	return pnetwork->MacAddress;
+}
+
+u16 get_beacon_interval(struct wlan_bssid_ex *bss)
+{
+	__le16 val;
+	memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
+
+	return le16_to_cpu(val);
+}
+
+int is_client_associated_to_ap(struct adapter *padapter)
+{
+	struct mlme_ext_priv	*pmlmeext;
+	struct mlme_ext_info	*pmlmeinfo;
+
+	if (!padapter)
+		return _FAIL;
+
+	pmlmeext = &padapter->mlmeextpriv;
+	pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
+		return true;
+	else
+		return _FAIL;
+}
+
+int is_client_associated_to_ibss(struct adapter *padapter)
+{
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
+		return true;
+	else
+		return _FAIL;
+}
+
+int is_IBSS_empty(struct adapter *padapter)
+{
+	unsigned int i;
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
+		if (pmlmeinfo->FW_sta_info[i].status == 1)
+			return _FAIL;
+	}
+	return true;
+}
+
+unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
+{
+	if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
+		return WAIT_FOR_BCN_TO_MIN;
+	else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
+		return WAIT_FOR_BCN_TO_MAX;
+	else
+		return bcn_interval << 2;
+}
+
+void CAM_empty_entry(struct adapter *Adapter, u8 ucIndex)
+{
+	rtw_hal_set_hwreg(Adapter, HW_VAR_CAM_EMPTY_ENTRY, (u8 *)(&ucIndex));
+}
+
+void invalidate_cam_all(struct adapter *padapter)
+{
+	rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
+}
+
+void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
+{
+	unsigned int	i, val, addr;
+	int j;
+	u32	cam_val[2];
+
+	addr = entry << 3;
+
+	for (j = 5; j >= 0; j--) {
+		switch (j) {
+		case 0:
+			val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
+			break;
+		case 1:
+			val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
+			break;
+		default:
+			i = (j - 2) << 2;
+			val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24));
+			break;
+		}
+
+		cam_val[0] = val;
+		cam_val[1] = addr + (unsigned int)j;
+
+		rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
+	}
+}
+
+void clear_cam_entry(struct adapter *padapter, u8 entry)
+{
+	unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+	unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+	write_cam(padapter, entry, 0, null_sta, null_key);
+}
+
+int allocate_fw_sta_entry(struct adapter *padapter)
+{
+	unsigned int mac_id;
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
+		if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
+			pmlmeinfo->FW_sta_info[mac_id].status = 1;
+			pmlmeinfo->FW_sta_info[mac_id].retry = 0;
+			break;
+		}
+	}
+
+	return mac_id;
+}
+
+void flush_all_cam_entry(struct adapter *padapter)
+{
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
+
+	_rtw_memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
+}
+
+int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
+{
+	/* struct registry_priv	*pregpriv = &padapter->registrypriv; */
+	struct mlme_priv	*pmlmepriv = &(padapter->mlmepriv);
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	if (pmlmepriv->qospriv.qos_option == 0) {
+		pmlmeinfo->WMM_enable = 0;
+		return _FAIL;
+	}
+
+	pmlmeinfo->WMM_enable = 1;
+	memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
+	return true;
+}
+
+void WMMOnAssocRsp(struct adapter *padapter)
+{
+	u8	ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
+	u8	acm_mask;
+	u16	TXOP;
+	u32	acParm, i;
+	u32	edca[4], inx[4];
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+	struct xmit_priv		*pxmitpriv = &padapter->xmitpriv;
+	struct registry_priv	*pregpriv = &padapter->registrypriv;
+
+	if (pmlmeinfo->WMM_enable == 0) {
+		padapter->mlmepriv.acm_mask = 0;
+		return;
+	}
+
+	acm_mask = 0;
+
+	if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
+		aSifsTime = 10;
+	else
+		aSifsTime = 16;
+
+	for (i = 0; i < 4; i++) {
+		ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
+		ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
+
+		/* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
+		AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
+
+		ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
+		ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
+		TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
+
+		acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
+
+		switch (ACI) {
+		case 0x0:
+			rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
+			acm_mask |= (ACM ? BIT(1) : 0);
+			edca[XMIT_BE_QUEUE] = acParm;
+			break;
+		case 0x1:
+			rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
+			edca[XMIT_BK_QUEUE] = acParm;
+			break;
+		case 0x2:
+			rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
+			acm_mask |= (ACM ? BIT(2) : 0);
+			edca[XMIT_VI_QUEUE] = acParm;
+			break;
+		case 0x3:
+			rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
+			acm_mask |= (ACM ? BIT(3) : 0);
+			edca[XMIT_VO_QUEUE] = acParm;
+			break;
+		}
+
+		DBG_88E("WMM(%x): %x, %x\n", ACI, ACM, acParm);
+	}
+
+	if (padapter->registrypriv.acm_method == 1)
+		rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
+	else
+		padapter->mlmepriv.acm_mask = acm_mask;
+
+	inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
+
+	if (pregpriv->wifi_spec == 1) {
+		u32	j, tmp, change_inx;
+
+		/* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
+		for (i = 0; i < 4; i++) {
+			for (j = i+1; j < 4; j++) {
+				/* compare CW and AIFS */
+				if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
+					change_inx = true;
+				} else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
+					/* compare TXOP */
+					if ((edca[j] >> 16) > (edca[i] >> 16))
+						change_inx = true;
+				}
+
+				if (change_inx) {
+					tmp = edca[i];
+					edca[i] = edca[j];
+					edca[j] = tmp;
+
+					tmp = inx[i];
+					inx[i] = inx[j];
+					inx[j] = tmp;
+
+					change_inx = false;
+				}
+			}
+		}
+	}
+
+	for (i = 0; i < 4; i++) {
+		pxmitpriv->wmm_para_seq[i] = inx[i];
+		DBG_88E("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
+	}
+
+	return;
+}
+
+static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
+{
+	unsigned char	 new_bwmode;
+	unsigned char  new_ch_offset;
+	struct HT_info_element	 *pHT_info;
+	struct mlme_priv	*pmlmepriv = &(padapter->mlmepriv);
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+	struct registry_priv *pregistrypriv = &padapter->registrypriv;
+	struct ht_priv			*phtpriv = &pmlmepriv->htpriv;
+
+	if (!pIE)
+		return;
+
+	if (!phtpriv)
+		return;
+
+	if (pIE->Length > sizeof(struct HT_info_element))
+		return;
+
+	pHT_info = (struct HT_info_element *)pIE->data;
+
+	if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) {
+		new_bwmode = HT_CHANNEL_WIDTH_40;
+
+		switch (pHT_info->infos[0] & 0x3) {
+		case 1:
+			new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
+			break;
+		case 3:
+			new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
+			break;
+		default:
+			new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+			break;
+		}
+	} else {
+		new_bwmode = HT_CHANNEL_WIDTH_20;
+		new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+	}
+
+	if ((new_bwmode != pmlmeext->cur_bwmode) ||
+	    (new_ch_offset != pmlmeext->cur_ch_offset)) {
+		pmlmeinfo->bwmode_updated = true;
+
+		pmlmeext->cur_bwmode = new_bwmode;
+		pmlmeext->cur_ch_offset = new_ch_offset;
+
+		/* update HT info also */
+		HT_info_handler(padapter, pIE);
+	} else {
+		pmlmeinfo->bwmode_updated = false;
+	}
+
+	if (pmlmeinfo->bwmode_updated) {
+		struct sta_info *psta;
+		struct wlan_bssid_ex	*cur_network = &(pmlmeinfo->network);
+		struct sta_priv	*pstapriv = &padapter->stapriv;
+
+		/* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
+
+		/* update ap's stainfo */
+		psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
+		if (psta) {
+			struct ht_priv	*phtpriv_sta = &psta->htpriv;
+
+			if (phtpriv_sta->ht_option) {
+				/*  bwmode */
+				phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
+				phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
+			} else {
+				phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
+				phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+			}
+		}
+	}
+}
+
+void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
+{
+	unsigned int	i;
+	u8	rf_type;
+	u8	max_AMPDU_len, min_MPDU_spacing;
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+	struct mlme_priv		*pmlmepriv = &padapter->mlmepriv;
+	struct ht_priv			*phtpriv = &pmlmepriv->htpriv;
+
+	if (pIE == NULL)
+		return;
+
+	if (!phtpriv->ht_option)
+		return;
+
+	pmlmeinfo->HT_caps_enable = 1;
+
+	for (i = 0; i < (pIE->Length); i++) {
+		if (i != 2) {
+			/* 	Got the endian issue here. */
+			pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
+		} else {
+			/* modify from  fw by Thomas 2010/11/17 */
+			if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
+				max_AMPDU_len = (pIE->data[i] & 0x3);
+			else
+				max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3);
+
+			if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
+				min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c);
+			else
+				min_MPDU_spacing = (pIE->data[i] & 0x1c);
+
+			pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
+		}
+	}
+
+	rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
+
+	/* update the MCS rates */
+	for (i = 0; i < 16; i++) {
+		if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
+			pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
+		else
+			pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
+	}
+	return;
+}
+
+void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
+{
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+	struct mlme_priv		*pmlmepriv = &padapter->mlmepriv;
+	struct ht_priv			*phtpriv = &pmlmepriv->htpriv;
+
+	if (pIE == NULL)
+		return;
+
+	if (!phtpriv->ht_option)
+		return;
+
+	if (pIE->Length > sizeof(struct HT_info_element))
+		return;
+
+	pmlmeinfo->HT_info_enable = 1;
+	memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
+	return;
+}
+
+void HTOnAssocRsp(struct adapter *padapter)
+{
+	unsigned char		max_AMPDU_len;
+	unsigned char		min_MPDU_spacing;
+	/* struct registry_priv	 *pregpriv = &padapter->registrypriv; */
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	DBG_88E("%s\n", __func__);
+
+	if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
+		pmlmeinfo->HT_enable = 1;
+	} else {
+		pmlmeinfo->HT_enable = 0;
+		return;
+	}
+
+	/* handle A-MPDU parameter field */
+	/*
+		AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
+		AMPDU_para [4:2]:Min MPDU Start Spacing
+	*/
+	max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
+
+	min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
+
+	rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
+
+	rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
+}
+
+void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
+{
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	if (pIE->Length > 1)
+		return;
+
+	pmlmeinfo->ERP_enable = 1;
+	memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length);
+}
+
+void VCS_update(struct adapter *padapter, struct sta_info *psta)
+{
+	struct registry_priv	 *pregpriv = &padapter->registrypriv;
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	switch (pregpriv->vrtl_carrier_sense) { /* 0:off 1:on 2:auto */
+	case 0: /* off */
+		psta->rtsen = 0;
+		psta->cts2self = 0;
+		break;
+	case 1: /* on */
+		if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
+			psta->rtsen = 1;
+			psta->cts2self = 0;
+		} else {
+			psta->rtsen = 0;
+			psta->cts2self = 1;
+		}
+		break;
+	case 2: /* auto */
+	default:
+		if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
+			if (pregpriv->vcs_type == 1) {
+				psta->rtsen = 1;
+				psta->cts2self = 0;
+			} else {
+				psta->rtsen = 0;
+				psta->cts2self = 1;
+			}
+		} else {
+			psta->rtsen = 0;
+			psta->cts2self = 0;
+		}
+		break;
+	}
+}
+
+int rtw_check_bcn_info(struct adapter  *Adapter, u8 *pframe, u32 packet_len)
+{
+	unsigned int		len;
+	unsigned char		*p;
+	unsigned short	val16, subtype;
+	struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
+	/* u8 wpa_ie[255], rsn_ie[255]; */
+	u16 wpa_len = 0, rsn_len = 0;
+	u8 encryp_protocol = 0;
+	struct wlan_bssid_ex *bssid;
+	int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
+	unsigned char *pbuf;
+	u32 wpa_ielen = 0;
+	u8 *pbssid = GetAddr3Ptr(pframe);
+	u32 hidden_ssid = 0;
+	struct HT_info_element *pht_info = NULL;
+	struct rtw_ieee80211_ht_cap *pht_cap = NULL;
+	u32 bcn_channel;
+	unsigned short	ht_cap_info;
+	unsigned char	ht_info_infos_0;
+
+	if (is_client_associated_to_ap(Adapter) == false)
+		return true;
+
+	len = packet_len - sizeof(struct rtw_ieee80211_hdr_3addr);
+
+	if (len > MAX_IE_SZ) {
+		DBG_88E("%s IE too long for survey event\n", __func__);
+		return _FAIL;
+	}
+
+	if (_rtw_memcmp(cur_network->network.MacAddress, pbssid, 6) == false) {
+		DBG_88E("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n%pM %pM\n",
+			(pbssid), (cur_network->network.MacAddress));
+		return true;
+	}
+
+	bssid = (struct wlan_bssid_ex *)rtw_zmalloc(sizeof(struct wlan_bssid_ex));
+
+	subtype = GetFrameSubType(pframe) >> 4;
+
+	if (subtype == WIFI_BEACON)
+		bssid->Reserved[0] = 1;
+
+	bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
+
+	/* below is to copy the information element */
+	bssid->IELength = len;
+	memcpy(bssid->IEs, (pframe + sizeof(struct rtw_ieee80211_hdr_3addr)), bssid->IELength);
+
+	/* check bw and channel offset */
+	/* parsing HT_CAP_IE */
+	p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
+	if (p && len > 0) {
+		pht_cap = (struct rtw_ieee80211_ht_cap *)(p + 2);
+		ht_cap_info = pht_cap->cap_info;
+	} else {
+		ht_cap_info = 0;
+	}
+	/* parsing HT_INFO_IE */
+	p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
+	if (p && len > 0) {
+			pht_info = (struct HT_info_element *)(p + 2);
+			ht_info_infos_0 = pht_info->infos[0];
+	} else {
+			ht_info_infos_0 = 0;
+	}
+	if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
+	    ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
+			DBG_88E("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
+				ht_cap_info, ht_info_infos_0);
+			DBG_88E("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
+				cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
+			DBG_88E("%s bw mode change, disconnect\n", __func__);
+			/* bcn_info_update */
+			cur_network->BcnInfo.ht_cap_info = ht_cap_info;
+			cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
+			/* to do : need to check that whether modify related register of BB or not */
+			/* goto _mismatch; */
+	}
+
+	/* Checking for channel */
+	p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
+	if (p) {
+			bcn_channel = *(p + 2);
+	} else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
+			p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
+			if (pht_info) {
+					bcn_channel = pht_info->primary_channel;
+			} else { /* we don't find channel IE, so don't check it */
+					DBG_88E("Oops: %s we don't find channel IE, so don't check it\n", __func__);
+					bcn_channel = Adapter->mlmeextpriv.cur_channel;
+			}
+	}
+	if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
+			DBG_88E("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
+				bcn_channel, Adapter->mlmeextpriv.cur_channel);
+			goto _mismatch;
+	}
+
+	/* checking SSID */
+	p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
+	if (p == NULL) {
+		DBG_88E("%s marc: cannot find SSID for survey event\n", __func__);
+		hidden_ssid = true;
+	} else {
+		hidden_ssid = false;
+	}
+
+	if ((NULL != p) && (false == hidden_ssid && (*(p + 1)))) {
+		memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1));
+		bssid->Ssid.SsidLength = *(p + 1);
+	} else {
+		bssid->Ssid.SsidLength = 0;
+		bssid->Ssid.Ssid[0] = '\0';
+	}
+
+	RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d "
+				"cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid,
+				bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid,
+				cur_network->network.Ssid.SsidLength));
+
+	if (!_rtw_memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
+	    bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
+		if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */
+			DBG_88E("%s(), SSID is not match return FAIL\n", __func__);
+			goto _mismatch;
+		}
+	}
+
+	/* check encryption info */
+	val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
+
+	if (val16 & BIT(4))
+		bssid->Privacy = 1;
+	else
+		bssid->Privacy = 0;
+
+	RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
+		 ("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n",
+		 __func__, cur_network->network.Privacy, bssid->Privacy));
+	if (cur_network->network.Privacy != bssid->Privacy) {
+		DBG_88E("%s(), privacy is not match return FAIL\n", __func__);
+		goto _mismatch;
+	}
+
+	rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
+
+	if (rsn_len > 0) {
+		encryp_protocol = ENCRYP_PROTOCOL_WPA2;
+	} else if (wpa_len > 0) {
+		encryp_protocol = ENCRYP_PROTOCOL_WPA;
+	} else {
+		if (bssid->Privacy)
+			encryp_protocol = ENCRYP_PROTOCOL_WEP;
+	}
+
+	if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) {
+		DBG_88E("%s(): enctyp is not match , return FAIL\n", __func__);
+		goto _mismatch;
+	}
+
+	if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
+		pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
+		if (pbuf && (wpa_ielen > 0)) {
+			if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
+				RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
+					 ("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__,
+					 pairwise_cipher, group_cipher, is_8021x));
+			}
+		} else {
+			pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
+
+			if (pbuf && (wpa_ielen > 0)) {
+				if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
+					RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
+						 ("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n",
+						  __func__, pairwise_cipher, group_cipher, is_8021x));
+				}
+			}
+		}
+
+		RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
+			 ("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher));
+		if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
+			DBG_88E("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match , return FAIL\n", __func__,
+				pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
+				group_cipher, cur_network->BcnInfo.group_cipher);
+			goto _mismatch;
+		}
+
+		if (is_8021x != cur_network->BcnInfo.is_8021x) {
+			DBG_88E("%s authentication is not match , return FAIL\n", __func__);
+			goto _mismatch;
+		}
+	}
+
+	kfree(bssid);
+	return _SUCCESS;
+
+_mismatch:
+	kfree(bssid);
+	return _FAIL;
+
+	_func_exit_;
+}
+
+void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
+{
+	unsigned int i;
+	unsigned int len;
+	struct ndis_802_11_var_ie *pIE;
+
+	len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
+
+	for (i = 0; i < len;) {
+		pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
+
+		switch (pIE->ElementID) {
+		case _HT_EXTRA_INFO_IE_:	/* HT info */
+			/* HT_info_handler(padapter, pIE); */
+			bwmode_update_check(padapter, pIE);
+			break;
+		case _ERPINFO_IE_:
+			ERP_IE_handler(padapter, pIE);
+			VCS_update(padapter, psta);
+			break;
+		default:
+			break;
+		}
+
+		i += (pIE->Length + 2);
+	}
+}
+
+unsigned int is_ap_in_tkip(struct adapter *padapter)
+{
+	u32 i;
+	struct ndis_802_11_var_ie *pIE;
+	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+	struct wlan_bssid_ex		*cur_network = &(pmlmeinfo->network);
+
+	if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
+		for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
+			pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
+
+			switch (pIE->ElementID) {
+			case _VENDOR_SPECIFIC_IE_:
+				if ((_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4)) && (_rtw_memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
+					return true;
+				break;
+			case _RSN_IE_2_:
+				if (_rtw_memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
+					return true;
+			default:
+				break;
+			}
+
+			i += (pIE->Length + 2);
+		}
+		return false;
+	} else {
+		return false;
+	}
+}
+
+unsigned int should_forbid_n_rate(struct adapter *padapter)
+{
+	u32 i;
+	struct ndis_802_11_var_ie *pIE;
+	struct mlme_priv	*pmlmepriv = &padapter->mlmepriv;
+	struct wlan_bssid_ex  *cur_network = &pmlmepriv->cur_network.network;
+
+	if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
+		for (i = sizeof(struct ndis_802_11_fixed_ie); i < cur_network->IELength;) {
+			pIE = (struct ndis_802_11_var_ie *)(cur_network->IEs + i);
+
+			switch (pIE->ElementID) {
+			case _VENDOR_SPECIFIC_IE_:
+				if (_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4) &&
+				    ((_rtw_memcmp((pIE->data + 12), WPA_CIPHER_SUITE_CCMP, 4)) ||
+				    (_rtw_memcmp((pIE->data + 16), WPA_CIPHER_SUITE_CCMP, 4))))
+					return false;
+				break;
+			case _RSN_IE_2_:
+				if  ((_rtw_memcmp((pIE->data + 8), RSN_CIPHER_SUITE_CCMP, 4))  ||
+				       (_rtw_memcmp((pIE->data + 12), RSN_CIPHER_SUITE_CCMP, 4)))
+				return false;
+			default:
+				break;
+			}
+
+			i += (pIE->Length + 2);
+		}
+
+		return true;
+	} else {
+		return false;
+	}
+}
+
+unsigned int is_ap_in_wep(struct adapter *padapter)
+{
+	u32 i;
+	struct ndis_802_11_var_ie *pIE;
+	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+	struct wlan_bssid_ex		*cur_network = &(pmlmeinfo->network);
+
+	if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
+		for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
+			pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
+
+			switch (pIE->ElementID) {
+			case _VENDOR_SPECIFIC_IE_:
+				if (_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4))
+					return false;
+				break;
+			case _RSN_IE_2_:
+				return false;
+			default:
+				break;
+			}
+			i += (pIE->Length + 2);
+		}
+		return true;
+	} else {
+		return false;
+	}
+}
+
+int wifirate2_ratetbl_inx(unsigned char rate)
+{
+	int	inx = 0;
+	rate = rate & 0x7f;
+
+	switch (rate) {
+	case 54*2:
+		inx = 11;
+		break;
+	case 48*2:
+		inx = 10;
+		break;
+	case 36*2:
+		inx = 9;
+		break;
+	case 24*2:
+		inx = 8;
+		break;
+	case 18*2:
+		inx = 7;
+		break;
+	case 12*2:
+		inx = 6;
+		break;
+	case 9*2:
+		inx = 5;
+		break;
+	case 6*2:
+		inx = 4;
+		break;
+	case 11*2:
+		inx = 3;
+		break;
+	case 11:
+		inx = 2;
+		break;
+	case 2*2:
+		inx = 1;
+		break;
+	case 1*2:
+		inx = 0;
+		break;
+	}
+	return inx;
+}
+
+unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
+{
+	unsigned int i, num_of_rate;
+	unsigned int mask = 0;
+
+	num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
+
+	for (i = 0; i < num_of_rate; i++) {
+		if ((*(ptn + i)) & 0x80)
+			mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
+	}
+	return mask;
+}
+
+unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz)
+{
+	unsigned int i, num_of_rate;
+	unsigned int mask = 0;
+
+	num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
+
+	for (i = 0; i < num_of_rate; i++)
+		mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
+	return mask;
+}
+
+unsigned int update_MSC_rate(struct HT_caps_element *pHT_caps)
+{
+	unsigned int mask = 0;
+
+	mask = ((pHT_caps->u.HT_cap_element.MCS_rate[0] << 12) | (pHT_caps->u.HT_cap_element.MCS_rate[1] << 20));
+
+	return mask;
+}
+
+int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps)
+{
+	unsigned char					bit_offset;
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	if (!(pmlmeinfo->HT_enable))
+		return _FAIL;
+
+	if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK))
+		return _FAIL;
+
+	bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
+
+	if (__le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
+		return _SUCCESS;
+	else
+		return _FAIL;
+}
+
+unsigned char get_highest_rate_idx(u32 mask)
+{
+	int i;
+	unsigned char rate_idx = 0;
+
+	for (i = 27; i >= 0; i--) {
+		if (mask & BIT(i)) {
+			rate_idx = i;
+			break;
+		}
+	}
+	return rate_idx;
+}
+
+void Update_RA_Entry(struct adapter *padapter, u32 mac_id)
+{
+	rtw_hal_update_ra_mask(padapter, mac_id, 0);
+}
+
+static void enable_rate_adaptive(struct adapter *padapter, u32 mac_id)
+{
+	Update_RA_Entry(padapter, mac_id);
+}
+
+void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
+{
+	/* rate adaptive */
+	enable_rate_adaptive(padapter, psta->mac_id);
+}
+
+/*  Update RRSR and Rate for USERATE */
+void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode)
+{
+	unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX];
+#ifdef CONFIG_88EU_P2P
+	struct wifidirect_info *pwdinfo = &padapter->wdinfo;
+
+	/* 	Added by Albert 2011/03/22 */
+	/* 	In the P2P mode, the driver should not support the b mode. */
+	/* 	So, the Tx packet shouldn't use the CCK rate */
+	if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
+		return;
+#endif /* CONFIG_88EU_P2P */
+	_rtw_memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
+
+	if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B)) {
+		memcpy(supported_rates, rtw_basic_rate_cck, 4);
+	} else if (wirelessmode & WIRELESS_11B) {
+		memcpy(supported_rates, rtw_basic_rate_mix, 7);
+	} else {
+		memcpy(supported_rates, rtw_basic_rate_ofdm, 3);
+	}
+
+	if (wirelessmode & WIRELESS_11B)
+		update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
+	else
+		update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
+
+	rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, supported_rates);
+}
+
+unsigned char check_assoc_AP(u8 *pframe, uint len)
+{
+	unsigned int i;
+	struct ndis_802_11_var_ie *pIE;
+	u8	epigram_vendor_flag;
+	u8	ralink_vendor_flag;
+	epigram_vendor_flag = 0;
+	ralink_vendor_flag = 0;
+
+	for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) {
+		pIE = (struct ndis_802_11_var_ie *)(pframe + i);
+
+		switch (pIE->ElementID) {
+		case _VENDOR_SPECIFIC_IE_:
+			if ((_rtw_memcmp(pIE->data, ARTHEROS_OUI1, 3)) ||
+			    (_rtw_memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
+				DBG_88E("link to Artheros AP\n");
+				return HT_IOT_PEER_ATHEROS;
+			} else if ((_rtw_memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
+				   (_rtw_memcmp(pIE->data, BROADCOM_OUI2, 3)) ||
+				   (_rtw_memcmp(pIE->data, BROADCOM_OUI2, 3))) {
+				DBG_88E("link to Broadcom AP\n");
+				return HT_IOT_PEER_BROADCOM;
+			} else if (_rtw_memcmp(pIE->data, MARVELL_OUI, 3)) {
+				DBG_88E("link to Marvell AP\n");
+				return HT_IOT_PEER_MARVELL;
+			} else if (_rtw_memcmp(pIE->data, RALINK_OUI, 3)) {
+				if (!ralink_vendor_flag) {
+					ralink_vendor_flag = 1;
+				} else {
+					DBG_88E("link to Ralink AP\n");
+					return HT_IOT_PEER_RALINK;
+				}
+			} else if (_rtw_memcmp(pIE->data, CISCO_OUI, 3)) {
+				DBG_88E("link to Cisco AP\n");
+				return HT_IOT_PEER_CISCO;
+			} else if (_rtw_memcmp(pIE->data, REALTEK_OUI, 3)) {
+				DBG_88E("link to Realtek 96B\n");
+				return HT_IOT_PEER_REALTEK;
+			} else if (_rtw_memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
+				DBG_88E("link to Airgo Cap\n");
+				return HT_IOT_PEER_AIRGO;
+			} else if (_rtw_memcmp(pIE->data, EPIGRAM_OUI, 3)) {
+				 epigram_vendor_flag = 1;
+				if (ralink_vendor_flag) {
+					DBG_88E("link to Tenda W311R AP\n");
+					 return HT_IOT_PEER_TENDA;
+				} else {
+					DBG_88E("Capture EPIGRAM_OUI\n");
+				}
+			} else {
+				break;
+			}
+
+		default:
+			break;
+		}
+		i += (pIE->Length + 2);
+	}
+
+	if (ralink_vendor_flag && !epigram_vendor_flag) {
+		DBG_88E("link to Ralink AP\n");
+		return HT_IOT_PEER_RALINK;
+	} else if (ralink_vendor_flag && epigram_vendor_flag) {
+		DBG_88E("link to Tenda W311R AP\n");
+		return HT_IOT_PEER_TENDA;
+	} else {
+		DBG_88E("link to new AP\n");
+		return HT_IOT_PEER_UNKNOWN;
+	}
+}
+
+void update_IOT_info(struct adapter *padapter)
+{
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	switch (pmlmeinfo->assoc_AP_vendor) {
+	case HT_IOT_PEER_MARVELL:
+		pmlmeinfo->turboMode_cts2self = 1;
+		pmlmeinfo->turboMode_rtsen = 0;
+		break;
+	case HT_IOT_PEER_RALINK:
+		pmlmeinfo->turboMode_cts2self = 0;
+		pmlmeinfo->turboMode_rtsen = 1;
+		/* disable high power */
+		Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
+		break;
+	case HT_IOT_PEER_REALTEK:
+		/* rtw_write16(padapter, 0x4cc, 0xffff); */
+		/* rtw_write16(padapter, 0x546, 0x01c0); */
+		/* disable high power */
+		Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
+		break;
+	default:
+		pmlmeinfo->turboMode_cts2self = 0;
+		pmlmeinfo->turboMode_rtsen = 1;
+		break;
+	}
+}
+
+void update_capinfo(struct adapter *Adapter, u16 updateCap)
+{
+	struct mlme_ext_priv	*pmlmeext = &Adapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+	bool		ShortPreamble;
+
+	/*  Check preamble mode, 2005.01.06, by rcnjko. */
+	/*  Mark to update preamble value forever, 2008.03.18 by lanhsin */
+
+	if (updateCap & cShortPreamble) { /*  Short Preamble */
+		if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /*  PREAMBLE_LONG or PREAMBLE_AUTO */
+			ShortPreamble = true;
+			pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
+			rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
+		}
+	} else { /*  Long Preamble */
+		if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) {  /*  PREAMBLE_SHORT or PREAMBLE_AUTO */
+			ShortPreamble = false;
+			pmlmeinfo->preamble_mode = PREAMBLE_LONG;
+			rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
+		}
+	}
+
+	if (updateCap & cIBSS) {
+		/* Filen: See 802.11-2007 p.91 */
+		pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
+	} else { /* Filen: See 802.11-2007 p.90 */
+		if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11_24N)) {
+			if (updateCap & cShortSlotTime) { /*  Short Slot Time */
+				if (pmlmeinfo->slotTime != SHORT_SLOT_TIME)
+					pmlmeinfo->slotTime = SHORT_SLOT_TIME;
+			} else { /*  Long Slot Time */
+				if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME)
+					pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
+			}
+		} else if (pmlmeext->cur_wireless_mode & (WIRELESS_11A | WIRELESS_11_5N)) {
+			pmlmeinfo->slotTime = SHORT_SLOT_TIME;
+		} else {
+			/* B Mode */
+			pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
+		}
+	}
+
+	rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
+}
+
+void update_wireless_mode(struct adapter *padapter)
+{
+	int ratelen, network_type = 0;
+	u32 SIFS_Timer;
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+	struct wlan_bssid_ex	*cur_network = &(pmlmeinfo->network);
+	unsigned char		*rate = cur_network->SupportedRates;
+
+	ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
+
+	if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
+		pmlmeinfo->HT_enable = 1;
+
+	if (pmlmeext->cur_channel > 14) {
+		if (pmlmeinfo->HT_enable)
+			network_type = WIRELESS_11_5N;
+
+		network_type |= WIRELESS_11A;
+	} else {
+		if (pmlmeinfo->HT_enable)
+			network_type = WIRELESS_11_24N;
+
+		if ((cckratesonly_included(rate, ratelen)) == true)
+			network_type |= WIRELESS_11B;
+		else if ((cckrates_included(rate, ratelen)) == true)
+			network_type |= WIRELESS_11BG;
+		else
+			network_type |= WIRELESS_11G;
+	}
+
+	pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
+
+	SIFS_Timer = 0x0a0a0808;/* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
+				/* change this value if having IOT issues. */
+
+	padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS,  (u8 *)&SIFS_Timer);
+
+	if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
+		update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
+	 else
+		update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
+}
+
+void update_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id)
+{
+	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
+		/*  Only B, B/G, and B/G/N AP could use CCK rate */
+		memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4);
+	} else {
+		memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 4);
+	}
+}
+
+int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
+{
+	unsigned int	ie_len;
+	struct ndis_802_11_var_ie *pIE;
+	int	supportRateNum = 0;
+	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
+	if (pIE == NULL)
+		return _FAIL;
+
+	memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
+	supportRateNum = ie_len;
+
+	pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
+	if (pIE)
+		memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
+
+	return _SUCCESS;
+}
+
+void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
+{
+	struct sta_info *psta;
+	u16 tid;
+	u16 param;
+	struct recv_reorder_ctrl *preorder_ctrl;
+	struct sta_priv *pstapriv = &padapter->stapriv;
+	struct ADDBA_request	*preq = (struct ADDBA_request *)paddba_req;
+	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	psta = rtw_get_stainfo(pstapriv, addr);
+
+	if (psta) {
+		param = le16_to_cpu(preq->BA_para_set);
+		tid = (param>>2)&0x0f;
+		preorder_ctrl = &psta->recvreorder_ctrl[tid];
+		preorder_ctrl->indicate_seq = 0xffff;
+		preorder_ctrl->enable = (pmlmeinfo->bAcceptAddbaReq) ? true : false;
+	}
+}
+
+void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
+{
+	u8 *pIE;
+	__le32 *pbuf;
+
+	pIE = pframe + sizeof(struct rtw_ieee80211_hdr_3addr);
+	pbuf = (__le32 *)pIE;
+
+	pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
+
+	pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
+
+	pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
+}
+
+void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
+{
+	rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
+}
+
+void beacon_timing_control(struct adapter *padapter)
+{
+	rtw_hal_bcn_related_reg_setting(padapter);
+}
+
+static struct adapter *pbuddy_padapter;
+
+int rtw_handle_dualmac(struct adapter *adapter, bool init)
+{
+	int status = _SUCCESS;
+
+	if (init) {
+		if (pbuddy_padapter == NULL) {
+			pbuddy_padapter = adapter;
+			DBG_88E("%s(): pbuddy_padapter == NULL, Set pbuddy_padapter\n", __func__);
+		} else {
+			adapter->pbuddy_adapter = pbuddy_padapter;
+			pbuddy_padapter->pbuddy_adapter = adapter;
+			/*  clear global value */
+			pbuddy_padapter = NULL;
+			DBG_88E("%s(): pbuddy_padapter exist, Exchange Information\n", __func__);
+		}
+	} else {
+		pbuddy_padapter = NULL;
+	}
+	return status;
+}

drivers/staging/rtl8188eu/core/rtw_xmit.c

@@ -0,0 +1,2447 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
+ *
+ * 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
+ *
+ *
+ ******************************************************************************/
+#define _RTW_XMIT_C_
+
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <wifi.h>
+#include <osdep_intf.h>
+#include <ip.h>
+#include <usb_ops.h>
+#include <usb_osintf.h>
+
+static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 };
+static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 };
+
+static void _init_txservq(struct tx_servq *ptxservq)
+{
+_func_enter_;
+	_rtw_init_listhead(&ptxservq->tx_pending);
+	_rtw_init_queue(&ptxservq->sta_pending);
+	ptxservq->qcnt = 0;
+_func_exit_;
+}
+
+void	_rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv)
+{
+_func_enter_;
+	_rtw_memset((unsigned char *)psta_xmitpriv, 0, sizeof (struct sta_xmit_priv));
+	_rtw_spinlock_init(&psta_xmitpriv->lock);
+	_init_txservq(&psta_xmitpriv->be_q);
+	_init_txservq(&psta_xmitpriv->bk_q);
+	_init_txservq(&psta_xmitpriv->vi_q);
+	_init_txservq(&psta_xmitpriv->vo_q);
+	_rtw_init_listhead(&psta_xmitpriv->legacy_dz);
+	_rtw_init_listhead(&psta_xmitpriv->apsd);
+
+_func_exit_;
+}
+
+s32	_rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
+{
+	int i;
+	struct xmit_buf *pxmitbuf;
+	struct xmit_frame *pxframe;
+	int	res = _SUCCESS;
+	u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
+	u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
+
+_func_enter_;
+
+	/*  We don't need to memset padapter->XXX to zero, because adapter is allocated by rtw_zvmalloc(). */
+
+	_rtw_spinlock_init(&pxmitpriv->lock);
+	_rtw_init_sema(&pxmitpriv->xmit_sema, 0);
+	_rtw_init_sema(&pxmitpriv->terminate_xmitthread_sema, 0);
+
+	/*
+	Please insert all the queue initializaiton using _rtw_init_queue below
+	*/
+
+	pxmitpriv->adapter = padapter;
+
+	_rtw_init_queue(&pxmitpriv->be_pending);
+	_rtw_init_queue(&pxmitpriv->bk_pending);
+	_rtw_init_queue(&pxmitpriv->vi_pending);
+	_rtw_init_queue(&pxmitpriv->vo_pending);
+	_rtw_init_queue(&pxmitpriv->bm_pending);
+
+	_rtw_init_queue(&pxmitpriv->free_xmit_queue);
+
+	/*
+	Please allocate memory with the sz = (struct xmit_frame) * NR_XMITFRAME,
+	and initialize free_xmit_frame below.
+	Please also apply  free_txobj to link_up all the xmit_frames...
+	*/
+
+	pxmitpriv->pallocated_frame_buf = rtw_zvmalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
+
+	if (pxmitpriv->pallocated_frame_buf  == NULL) {
+		pxmitpriv->pxmit_frame_buf = NULL;
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n"));
+		res = _FAIL;
+		goto exit;
+	}
+	pxmitpriv->pxmit_frame_buf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_frame_buf), 4);
+	/* pxmitpriv->pxmit_frame_buf = pxmitpriv->pallocated_frame_buf + 4 - */
+	/* 						((size_t) (pxmitpriv->pallocated_frame_buf) &3); */
+
+	pxframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf;
+
+	for (i = 0; i < NR_XMITFRAME; i++) {
+		_rtw_init_listhead(&(pxframe->list));
+
+		pxframe->padapter = padapter;
+		pxframe->frame_tag = NULL_FRAMETAG;
+
+		pxframe->pkt = NULL;
+
+		pxframe->buf_addr = NULL;
+		pxframe->pxmitbuf = NULL;
+
+		rtw_list_insert_tail(&(pxframe->list), &(pxmitpriv->free_xmit_queue.queue));
+
+		pxframe++;
+	}
+
+	pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME;
+
+	pxmitpriv->frag_len = MAX_FRAG_THRESHOLD;
+
+	/* init xmit_buf */
+	_rtw_init_queue(&pxmitpriv->free_xmitbuf_queue);
+	_rtw_init_queue(&pxmitpriv->pending_xmitbuf_queue);
+
+	pxmitpriv->pallocated_xmitbuf = rtw_zvmalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
+
+	if (pxmitpriv->pallocated_xmitbuf  == NULL) {
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_buf fail!\n"));
+		res = _FAIL;
+		goto exit;
+	}
+
+	pxmitpriv->pxmitbuf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_xmitbuf), 4);
+	/* pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - */
+	/* 						((size_t) (pxmitpriv->pallocated_xmitbuf) &3); */
+
+	pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
+
+	for (i = 0; i < NR_XMITBUFF; i++) {
+		_rtw_init_listhead(&pxmitbuf->list);
+
+		pxmitbuf->priv_data = NULL;
+		pxmitbuf->padapter = padapter;
+		pxmitbuf->ext_tag = false;
+
+		/* Tx buf allocation may fail sometimes, so sleep and retry. */
+		res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
+		if (res == _FAIL) {
+			rtw_msleep_os(10);
+			res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
+			if (res == _FAIL) {
+				goto exit;
+			}
+		}
+
+		pxmitbuf->flags = XMIT_VO_QUEUE;
+
+		rtw_list_insert_tail(&pxmitbuf->list, &(pxmitpriv->free_xmitbuf_queue.queue));
+		pxmitbuf++;
+	}
+
+	pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF;
+
+	/*  Init xmit extension buff */
+	_rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue);
+
+	pxmitpriv->pallocated_xmit_extbuf = rtw_zvmalloc(num_xmit_extbuf * sizeof(struct xmit_buf) + 4);
+
+	if (pxmitpriv->pallocated_xmit_extbuf  == NULL) {
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n"));
+		res = _FAIL;
+		goto exit;
+	}
+
+	pxmitpriv->pxmit_extbuf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_xmit_extbuf), 4);
+
+	pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
+
+	for (i = 0; i < num_xmit_extbuf; i++) {
+		_rtw_init_listhead(&pxmitbuf->list);
+
+		pxmitbuf->priv_data = NULL;
+		pxmitbuf->padapter = padapter;
+		pxmitbuf->ext_tag = true;
+
+		res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, max_xmit_extbuf_size + XMITBUF_ALIGN_SZ);
+		if (res == _FAIL) {
+			res = _FAIL;
+			goto exit;
+		}
+
+		rtw_list_insert_tail(&pxmitbuf->list, &(pxmitpriv->free_xmit_extbuf_queue.queue));
+		pxmitbuf++;
+	}
+
+	pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf;
+
+	rtw_alloc_hwxmits(padapter);
+	rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
+
+	for (i = 0; i < 4; i++)
+		pxmitpriv->wmm_para_seq[i] = i;
+
+	pxmitpriv->txirp_cnt = 1;
+
+	_rtw_init_sema(&(pxmitpriv->tx_retevt), 0);
+
+	/* per AC pending irp */
+	pxmitpriv->beq_cnt = 0;
+	pxmitpriv->bkq_cnt = 0;
+	pxmitpriv->viq_cnt = 0;
+	pxmitpriv->voq_cnt = 0;
+
+	pxmitpriv->ack_tx = false;
+	_rtw_mutex_init(&pxmitpriv->ack_tx_mutex);
+	rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0);
+
+	rtw_hal_init_xmit_priv(padapter);
+
+exit:
+
+_func_exit_;
+
+	return res;
+}
+
+static void  rtw_mfree_xmit_priv_lock (struct xmit_priv *pxmitpriv)
+{
+	_rtw_spinlock_free(&pxmitpriv->lock);
+	_rtw_free_sema(&pxmitpriv->xmit_sema);
+	_rtw_free_sema(&pxmitpriv->terminate_xmitthread_sema);
+
+	_rtw_spinlock_free(&pxmitpriv->be_pending.lock);
+	_rtw_spinlock_free(&pxmitpriv->bk_pending.lock);
+	_rtw_spinlock_free(&pxmitpriv->vi_pending.lock);
+	_rtw_spinlock_free(&pxmitpriv->vo_pending.lock);
+	_rtw_spinlock_free(&pxmitpriv->bm_pending.lock);
+
+	_rtw_spinlock_free(&pxmitpriv->free_xmit_queue.lock);
+	_rtw_spinlock_free(&pxmitpriv->free_xmitbuf_queue.lock);
+	_rtw_spinlock_free(&pxmitpriv->pending_xmitbuf_queue.lock);
+}
+
+void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv)
+{
+	int i;
+	struct adapter *padapter = pxmitpriv->adapter;
+	struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf;
+	struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf;
+	u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ;
+	u32 num_xmit_extbuf = NR_XMIT_EXTBUFF;
+
+ _func_enter_;
+
+	rtw_hal_free_xmit_priv(padapter);
+
+	rtw_mfree_xmit_priv_lock(pxmitpriv);
+
+	if (pxmitpriv->pxmit_frame_buf == NULL)
+		goto out;
+
+	for (i = 0; i < NR_XMITFRAME; i++) {
+		rtw_os_xmit_complete(padapter, pxmitframe);
+
+		pxmitframe++;
+	}
+
+	for (i = 0; i < NR_XMITBUFF; i++) {
+		rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ));
+		pxmitbuf++;
+	}
+
+	if (pxmitpriv->pallocated_frame_buf)
+		rtw_vmfree(pxmitpriv->pallocated_frame_buf, NR_XMITFRAME * sizeof(struct xmit_frame) + 4);
+
+	if (pxmitpriv->pallocated_xmitbuf)
+		rtw_vmfree(pxmitpriv->pallocated_xmitbuf, NR_XMITBUFF * sizeof(struct xmit_buf) + 4);
+
+	/*  free xmit extension buff */
+	_rtw_spinlock_free(&pxmitpriv->free_xmit_extbuf_queue.lock);
+
+	pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf;
+	for (i = 0; i < num_xmit_extbuf; i++) {
+		rtw_os_xmit_resource_free(padapter, pxmitbuf, (max_xmit_extbuf_size + XMITBUF_ALIGN_SZ));
+		pxmitbuf++;
+	}
+
+	if (pxmitpriv->pallocated_xmit_extbuf) {
+		rtw_vmfree(pxmitpriv->pallocated_xmit_extbuf, num_xmit_extbuf * sizeof(struct xmit_buf) + 4);
+	}
+
+	rtw_free_hwxmits(padapter);
+
+	_rtw_mutex_free(&pxmitpriv->ack_tx_mutex);
+
+out:
+
+_func_exit_;
+}
+
+static void update_attrib_vcs_info(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+	u32	sz;
+	struct pkt_attrib	*pattrib = &pxmitframe->attrib;
+	struct sta_info	*psta = pattrib->psta;
+	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
+	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
+
+	if (pattrib->nr_frags != 1)
+		sz = padapter->xmitpriv.frag_len;
+	else /* no frag */
+		sz = pattrib->last_txcmdsz;
+
+	/*  (1) RTS_Threshold is compared to the MPDU, not MSDU. */
+	/*  (2) If there are more than one frag in  this MSDU, only the first frag uses protection frame. */
+	/* 		Other fragments are protected by previous fragment. */
+	/* 		So we only need to check the length of first fragment. */
+	if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N  || padapter->registrypriv.wifi_spec) {
+		if (sz > padapter->registrypriv.rts_thresh) {
+			pattrib->vcs_mode = RTS_CTS;
+		} else {
+			if (psta->rtsen)
+				pattrib->vcs_mode = RTS_CTS;
+			else if (psta->cts2self)
+				pattrib->vcs_mode = CTS_TO_SELF;
+			else
+				pattrib->vcs_mode = NONE_VCS;
+		}
+	} else {
+		while (true) {
+			/* IOT action */
+			if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && pattrib->ampdu_en &&
+			    (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) {
+				pattrib->vcs_mode = CTS_TO_SELF;
+				break;
+			}
+
+			/* check ERP protection */
+			if (psta->rtsen || psta->cts2self) {
+				if (psta->rtsen)
+					pattrib->vcs_mode = RTS_CTS;
+				else if (psta->cts2self)
+					pattrib->vcs_mode = CTS_TO_SELF;
+
+				break;
+			}
+
+			/* check HT op mode */
+			if (pattrib->ht_en) {
+				u8 htopmode = pmlmeinfo->HT_protection;
+				if ((pmlmeext->cur_bwmode && (htopmode == 2 || htopmode == 3)) ||
+				    (!pmlmeext->cur_bwmode && htopmode == 3)) {
+					pattrib->vcs_mode = RTS_CTS;
+					break;
+				}
+			}
+
+			/* check rts */
+			if (sz > padapter->registrypriv.rts_thresh) {
+				pattrib->vcs_mode = RTS_CTS;
+				break;
+			}
+
+			/* to do list: check MIMO power save condition. */
+
+			/* check AMPDU aggregation for TXOP */
+			if (pattrib->ampdu_en) {
+				pattrib->vcs_mode = RTS_CTS;
+				break;
+			}
+
+			pattrib->vcs_mode = NONE_VCS;
+			break;
+		}
+	}
+}
+
+static void update_attrib_phy_info(struct pkt_attrib *pattrib, struct sta_info *psta)
+{
+	/*if (psta->rtsen)
+		pattrib->vcs_mode = RTS_CTS;
+	else if (psta->cts2self)
+		pattrib->vcs_mode = CTS_TO_SELF;
+	else
+		pattrib->vcs_mode = NONE_VCS;*/
+
+	pattrib->mdata = 0;
+	pattrib->eosp = 0;
+	pattrib->triggered = 0;
+
+	/* qos_en, ht_en, init rate, , bw, ch_offset, sgi */
+	pattrib->qos_en = psta->qos_option;
+
+	pattrib->raid = psta->raid;
+	pattrib->ht_en = psta->htpriv.ht_option;
+	pattrib->bwmode = psta->htpriv.bwmode;
+	pattrib->ch_offset = psta->htpriv.ch_offset;
+	pattrib->sgi = psta->htpriv.sgi;
+	pattrib->ampdu_en = false;
+	pattrib->retry_ctrl = false;
+}
+
+u8	qos_acm(u8 acm_mask, u8 priority)
+{
+	u8	change_priority = priority;
+
+	switch (priority) {
+	case 0:
+	case 3:
+		if (acm_mask & BIT(1))
+			change_priority = 1;
+		break;
+	case 1:
+	case 2:
+		break;
+	case 4:
+	case 5:
+		if (acm_mask & BIT(2))
+			change_priority = 0;
+		break;
+	case 6:
+	case 7:
+		if (acm_mask & BIT(3))
+			change_priority = 5;
+		break;
+	default:
+		DBG_88E("qos_acm(): invalid pattrib->priority: %d!!!\n", priority);
+		break;
+	}
+
+	return change_priority;
+}
+
+static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib)
+{
+	struct ethhdr etherhdr;
+	struct iphdr ip_hdr;
+	s32 user_prio = 0;
+
+	_rtw_open_pktfile(ppktfile->pkt, ppktfile);
+	_rtw_pktfile_read(ppktfile, (unsigned char *)&etherhdr, ETH_HLEN);
+
+	/*  get user_prio from IP hdr */
+	if (pattrib->ether_type == 0x0800) {
+		_rtw_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr));
+/* 		user_prio = (ntohs(ip_hdr.tos) >> 5) & 0x3; */
+		user_prio = ip_hdr.tos >> 5;
+	} else if (pattrib->ether_type == 0x888e) {
+		/*  "When priority processing of data frames is supported, */
+		/*  a STA's SME should send EAPOL-Key frames at the highest priority." */
+		user_prio = 7;
+	}
+
+	pattrib->priority = user_prio;
+	pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN;
+	pattrib->subtype = WIFI_QOS_DATA_TYPE;
+}
+
+static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct pkt_attrib *pattrib)
+{
+	struct pkt_file pktfile;
+	struct sta_info *psta = NULL;
+	struct ethhdr etherhdr;
+
+	int bmcast;
+	struct sta_priv		*pstapriv = &padapter->stapriv;
+	struct security_priv	*psecuritypriv = &padapter->securitypriv;
+	struct mlme_priv	*pmlmepriv = &padapter->mlmepriv;
+	struct qos_priv		*pqospriv = &pmlmepriv->qospriv;
+	int res = _SUCCESS;
+
+ _func_enter_;
+
+	_rtw_open_pktfile(pkt, &pktfile);
+	_rtw_pktfile_read(&pktfile, (u8 *)&etherhdr, ETH_HLEN);
+
+	pattrib->ether_type = ntohs(etherhdr.h_proto);
+
+	memcpy(pattrib->dst, &etherhdr.h_dest, ETH_ALEN);
+	memcpy(pattrib->src, &etherhdr.h_source, ETH_ALEN);
+
+	pattrib->pctrl = 0;
+
+	if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
+	    check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
+		memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
+		memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
+	} else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
+		memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN);
+		memcpy(pattrib->ta, pattrib->src, ETH_ALEN);
+	} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
+		memcpy(pattrib->ra, pattrib->dst, ETH_ALEN);
+		memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN);
+	}
+
+	pattrib->pktlen = pktfile.pkt_len;
+
+	if (ETH_P_IP == pattrib->ether_type) {
+		/*  The following is for DHCP and ARP packet, we use cck1M to tx these packets and let LPS awake some time */
+		/*  to prevent DHCP protocol fail */
+		u8 tmp[24];
+		_rtw_pktfile_read(&pktfile, &tmp[0], 24);
+		pattrib->dhcp_pkt = 0;
+		if (pktfile.pkt_len > 282) {/* MINIMUM_DHCP_PACKET_SIZE) { */
+			if (ETH_P_IP == pattrib->ether_type) {/*  IP header */
+				if (((tmp[21] == 68) && (tmp[23] == 67)) ||
+				    ((tmp[21] == 67) && (tmp[23] == 68))) {
+					/*  68 : UDP BOOTP client */
+					/*  67 : UDP BOOTP server */
+					RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====================== update_attrib: get DHCP Packet\n"));
+					/*  Use low rate to send DHCP packet. */
+					pattrib->dhcp_pkt = 1;
+				}
+			}
+		}
+	} else if (0x888e == pattrib->ether_type) {
+		DBG_88E_LEVEL(_drv_info_, "send eapol packet\n");
+	}
+
+	if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1))
+		rtw_set_scan_deny(padapter, 3000);
+
+	/*  If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */
+	if ((pattrib->ether_type == 0x0806) || (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1))
+		rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1);
+
+	bmcast = IS_MCAST(pattrib->ra);
+
+	/*  get sta_info */
+	if (bmcast) {
+		psta = rtw_get_bcmc_stainfo(padapter);
+	} else {
+		psta = rtw_get_stainfo(pstapriv, pattrib->ra);
+		if (psta == NULL) { /*  if we cannot get psta => drrp the pkt */
+			RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra: %pM\n", (pattrib->ra)));
+			res = _FAIL;
+			goto exit;
+		} else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) && (!(psta->state & _FW_LINKED))) {
+			res = _FAIL;
+			goto exit;
+		}
+	}
+
+	if (psta) {
+		pattrib->mac_id = psta->mac_id;
+		/* DBG_88E("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */
+		pattrib->psta = psta;
+	} else {
+		/*  if we cannot get psta => drop the pkt */
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:%pM\n", (pattrib->ra)));
+		res = _FAIL;
+		goto exit;
+	}
+
+	pattrib->ack_policy = 0;
+	/*  get ether_hdr_len */
+	pattrib->pkt_hdrlen = ETH_HLEN;/* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */
+
+	pattrib->hdrlen = WLAN_HDR_A3_LEN;
+	pattrib->subtype = WIFI_DATA_TYPE;
+	pattrib->priority = 0;
+
+	if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) {
+		if (psta->qos_option)
+			set_qos(&pktfile, pattrib);
+	} else {
+		if (pqospriv->qos_option) {
+			set_qos(&pktfile, pattrib);
+
+			if (pmlmepriv->acm_mask != 0)
+				pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority);
+		}
+	}
+
+	if (psta->ieee8021x_blocked) {
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\n psta->ieee8021x_blocked == true\n"));
+
+		pattrib->encrypt = 0;
+
+		if ((pattrib->ether_type != 0x888e) && !check_fwstate(pmlmepriv, WIFI_MP_STATE)) {
+			RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\npsta->ieee8021x_blocked == true,  pattrib->ether_type(%.4x) != 0x888e\n", pattrib->ether_type));
+			res = _FAIL;
+			goto exit;
+		}
+	} else {
+		GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast);
+
+		switch (psecuritypriv->dot11AuthAlgrthm) {
+		case dot11AuthAlgrthm_Open:
+		case dot11AuthAlgrthm_Shared:
+		case dot11AuthAlgrthm_Auto:
+			pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex;
+			break;
+		case dot11AuthAlgrthm_8021X:
+			if (bmcast)
+				pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid;
+			else
+				pattrib->key_idx = 0;
+			break;
+		default:
+			pattrib->key_idx = 0;
+			break;
+		}
+	}
+
+	switch (pattrib->encrypt) {
+	case _WEP40_:
+	case _WEP104_:
+		pattrib->iv_len = 4;
+		pattrib->icv_len = 4;
+		break;
+	case _TKIP_:
+		pattrib->iv_len = 8;
+		pattrib->icv_len = 4;
+
+		if (padapter->securitypriv.busetkipkey == _FAIL) {
+			RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
+				 ("\npadapter->securitypriv.busetkipkey(%d) == _FAIL drop packet\n",
+				 padapter->securitypriv.busetkipkey));
+			res = _FAIL;
+			goto exit;
+		}
+		break;
+	case _AES_:
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("pattrib->encrypt=%d (_AES_)\n", pattrib->encrypt));
+		pattrib->iv_len = 8;
+		pattrib->icv_len = 8;
+		break;
+	default:
+		pattrib->iv_len = 0;
+		pattrib->icv_len = 0;
+		break;
+	}
+
+	RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
+		 ("update_attrib: encrypt=%d  securitypriv.sw_encrypt=%d\n",
+		  pattrib->encrypt, padapter->securitypriv.sw_encrypt));
+
+	if (pattrib->encrypt &&
+	    (padapter->securitypriv.sw_encrypt || !psecuritypriv->hw_decrypted)) {
+		pattrib->bswenc = true;
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
+			 ("update_attrib: encrypt=%d securitypriv.hw_decrypted=%d bswenc = true\n",
+			  pattrib->encrypt, padapter->securitypriv.sw_encrypt));
+	} else {
+		pattrib->bswenc = false;
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("update_attrib: bswenc = false\n"));
+	}
+
+	rtw_set_tx_chksum_offload(pkt, pattrib);
+
+	update_attrib_phy_info(pattrib, psta);
+
+exit:
+
+_func_exit_;
+
+	return res;
+}
+
+static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+	int curfragnum, length;
+	u8	*pframe, *payload, mic[8];
+	struct	mic_data micdata;
+	struct	sta_info *stainfo;
+	struct	pkt_attrib *pattrib = &pxmitframe->attrib;
+	struct	security_priv	*psecuritypriv = &padapter->securitypriv;
+	struct	xmit_priv *pxmitpriv = &padapter->xmitpriv;
+	u8 priority[4] = {0x0, 0x0, 0x0, 0x0};
+	u8 hw_hdr_offset = 0;
+	int bmcst = IS_MCAST(pattrib->ra);
+
+	if (pattrib->psta)
+		stainfo = pattrib->psta;
+	else
+		stainfo = rtw_get_stainfo(&padapter->stapriv , &pattrib->ra[0]);
+
+_func_enter_;
+
+	hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);;
+
+	if (pattrib->encrypt == _TKIP_) {/* if (psecuritypriv->dot11PrivacyAlgrthm == _TKIP_PRIVACY_) */
+		/* encode mic code */
+		if (stainfo != NULL) {
+			u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+					   0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+					   0x0, 0x0};
+
+			pframe = pxmitframe->buf_addr + hw_hdr_offset;
+
+			if (bmcst) {
+				if (_rtw_memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16))
+					return _FAIL;
+				/* start to calculate the mic code */
+				rtw_secmicsetkey(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey);
+			} else {
+				if (_rtw_memcmp(&stainfo->dot11tkiptxmickey.skey[0], null_key, 16) == true) {
+					/* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey == 0\n"); */
+					/* rtw_msleep_os(10); */
+					return _FAIL;
+				}
+				/* start to calculate the mic code */
+				rtw_secmicsetkey(&micdata, &stainfo->dot11tkiptxmickey.skey[0]);
+			}
+
+			if (pframe[1]&1) {   /* ToDS == 1 */
+				rtw_secmicappend(&micdata, &pframe[16], 6);  /* DA */
+				if (pframe[1]&2)  /* From Ds == 1 */
+					rtw_secmicappend(&micdata, &pframe[24], 6);
+				else
+				rtw_secmicappend(&micdata, &pframe[10], 6);
+			} else {	/* ToDS == 0 */
+				rtw_secmicappend(&micdata, &pframe[4], 6);   /* DA */
+				if (pframe[1]&2)  /* From Ds == 1 */
+					rtw_secmicappend(&micdata, &pframe[16], 6);
+				else
+					rtw_secmicappend(&micdata, &pframe[10], 6);
+			}
+
+			if (pattrib->qos_en)
+				priority[0] = (u8)pxmitframe->attrib.priority;
+
+			rtw_secmicappend(&micdata, &priority[0], 4);
+
+			payload = pframe;
+
+			for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) {
+				payload = (u8 *)RND4((size_t)(payload));
+				RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
+					 ("=== curfragnum=%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n",
+					 curfragnum, *payload, *(payload+1),
+					 *(payload+2), *(payload+3),
+					 *(payload+4), *(payload+5),
+					 *(payload+6), *(payload+7)));
+
+				payload = payload+pattrib->hdrlen+pattrib->iv_len;
+				RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
+					 ("curfragnum=%d pattrib->hdrlen=%d pattrib->iv_len=%d",
+					 curfragnum, pattrib->hdrlen, pattrib->iv_len));
+				if ((curfragnum+1) == pattrib->nr_frags) {
+					length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
+					rtw_secmicappend(&micdata, payload, length);
+					payload = payload+length;
+				} else {
+					length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0);
+					rtw_secmicappend(&micdata, payload, length);
+					payload = payload+length+pattrib->icv_len;
+					RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum=%d length=%d pattrib->icv_len=%d", curfragnum, length, pattrib->icv_len));
+				}
+			}
+			rtw_secgetmic(&micdata, &(mic[0]));
+			RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: before add mic code!!!\n"));
+			RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: pattrib->last_txcmdsz=%d!!!\n", pattrib->last_txcmdsz));
+			RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: mic[0]=0x%.2x , mic[1]=0x%.2x , mic[2]= 0x%.2x, mic[3]=0x%.2x\n\
+  mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x , mic[7]= 0x%.2x !!!!\n",
+				mic[0], mic[1], mic[2], mic[3], mic[4], mic[5], mic[6], mic[7]));
+			/* add mic code  and add the mic code length in last_txcmdsz */
+
+			memcpy(payload, &(mic[0]), 8);
+			pattrib->last_txcmdsz += 8;
+
+			RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("\n ======== last pkt ========\n"));
+			payload = payload-pattrib->last_txcmdsz+8;
+			for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz; curfragnum = curfragnum+8)
+					RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_,
+						 (" %.2x,  %.2x,  %.2x,  %.2x,  %.2x,  %.2x,  %.2x,  %.2x ",
+						 *(payload+curfragnum), *(payload+curfragnum+1),
+						 *(payload+curfragnum+2), *(payload+curfragnum+3),
+						 *(payload+curfragnum+4), *(payload+curfragnum+5),
+						 *(payload+curfragnum+6), *(payload+curfragnum+7)));
+			} else {
+				RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: rtw_get_stainfo==NULL!!!\n"));
+			}
+	}
+
+_func_exit_;
+
+	return _SUCCESS;
+}
+
+static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+	struct	pkt_attrib	 *pattrib = &pxmitframe->attrib;
+
+_func_enter_;
+
+	if (pattrib->bswenc) {
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("### xmitframe_swencrypt\n"));
+		switch (pattrib->encrypt) {
+		case _WEP40_:
+		case _WEP104_:
+			rtw_wep_encrypt(padapter, (u8 *)pxmitframe);
+			break;
+		case _TKIP_:
+			rtw_tkip_encrypt(padapter, (u8 *)pxmitframe);
+			break;
+		case _AES_:
+			rtw_aes_encrypt(padapter, (u8 *)pxmitframe);
+			break;
+		default:
+			break;
+		}
+	} else {
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("### xmitframe_hwencrypt\n"));
+	}
+
+_func_exit_;
+
+	return _SUCCESS;
+}
+
+s32 rtw_make_wlanhdr (struct adapter *padapter , u8 *hdr, struct pkt_attrib *pattrib)
+{
+	u16 *qc;
+
+	struct rtw_ieee80211_hdr *pwlanhdr = (struct rtw_ieee80211_hdr *)hdr;
+	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+	struct qos_priv *pqospriv = &pmlmepriv->qospriv;
+	u8 qos_option = false;
+
+	int res = _SUCCESS;
+	u16 *fctrl = &pwlanhdr->frame_ctl;
+
+	struct sta_info *psta;
+
+	int bmcst = IS_MCAST(pattrib->ra);
+
+_func_enter_;
+
+	if (pattrib->psta) {
+		psta = pattrib->psta;
+	} else {
+		if (bmcst) {
+			psta = rtw_get_bcmc_stainfo(padapter);
+		} else {
+			psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
+		}
+	}
+
+	_rtw_memset(hdr, 0, WLANHDR_OFFSET);
+
+	SetFrameSubType(fctrl, pattrib->subtype);
+
+	if (pattrib->subtype & WIFI_DATA_TYPE) {
+		if ((check_fwstate(pmlmepriv,  WIFI_STATION_STATE) == true)) {
+			/* to_ds = 1, fr_ds = 0; */
+			/* Data transfer to AP */
+			SetToDs(fctrl);
+			memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN);
+			memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
+			memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN);
+
+			if (pqospriv->qos_option)
+				qos_option = true;
+		} else if (check_fwstate(pmlmepriv,  WIFI_AP_STATE)) {
+			/* to_ds = 0, fr_ds = 1; */
+			SetFrDs(fctrl);
+			memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
+			memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN);
+			memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN);
+
+			if (psta->qos_option)
+				qos_option = true;
+		} else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
+			   check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
+			memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN);
+			memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
+			memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
+
+			if (psta->qos_option)
+				qos_option = true;
+		} else {
+			RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv)));
+			res = _FAIL;
+			goto exit;
+		}
+
+		if (pattrib->mdata)
+			SetMData(fctrl);
+
+		if (pattrib->encrypt)
+			SetPrivacy(fctrl);
+
+		if (qos_option) {
+			qc = (unsigned short *)(hdr + pattrib->hdrlen - 2);
+
+			if (pattrib->priority)
+				SetPriority(qc, pattrib->priority);
+
+			SetEOSP(qc, pattrib->eosp);
+
+			SetAckpolicy(qc, pattrib->ack_policy);
+		}
+
+		/* TODO: fill HT Control Field */
+
+		/* Update Seq Num will be handled by f/w */
+		if (psta) {
+			psta->sta_xmitpriv.txseq_tid[pattrib->priority]++;
+			psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF;
+
+			pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority];
+
+			SetSeqNum(hdr, pattrib->seqnum);
+
+			/* check if enable ampdu */
+			if (pattrib->ht_en && psta->htpriv.ampdu_enable) {
+				if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority))
+				pattrib->ampdu_en = true;
+			}
+
+			/* re-check if enable ampdu by BA_starting_seqctrl */
+			if (pattrib->ampdu_en) {
+				u16 tx_seq;
+
+				tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f];
+
+				/* check BA_starting_seqctrl */
+				if (SN_LESS(pattrib->seqnum, tx_seq)) {
+					pattrib->ampdu_en = false;/* AGG BK */
+				} else if (SN_EQUAL(pattrib->seqnum, tx_seq)) {
+					psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff;
+
+					pattrib->ampdu_en = true;/* AGG EN */
+				} else {
+					psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff;
+					pattrib->ampdu_en = true;/* AGG EN */
+				}
+			}
+		}
+	}
+exit:
+
+_func_exit_;
+	return res;
+}
+
+s32 rtw_txframes_pending(struct adapter *padapter)
+{
+	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+	return ((_rtw_queue_empty(&pxmitpriv->be_pending) == false) ||
+			 (_rtw_queue_empty(&pxmitpriv->bk_pending) == false) ||
+			 (_rtw_queue_empty(&pxmitpriv->vi_pending) == false) ||
+			 (_rtw_queue_empty(&pxmitpriv->vo_pending) == false));
+}
+
+s32 rtw_txframes_sta_ac_pending(struct adapter *padapter, struct pkt_attrib *pattrib)
+{
+	struct sta_info *psta;
+	struct tx_servq *ptxservq;
+	int priority = pattrib->priority;
+
+	psta = pattrib->psta;
+
+	switch (priority) {
+	case 1:
+	case 2:
+		ptxservq = &(psta->sta_xmitpriv.bk_q);
+		break;
+	case 4:
+	case 5:
+		ptxservq = &(psta->sta_xmitpriv.vi_q);
+		break;
+	case 6:
+	case 7:
+		ptxservq = &(psta->sta_xmitpriv.vo_q);
+		break;
+	case 0:
+	case 3:
+	default:
+		ptxservq = &(psta->sta_xmitpriv.be_q);
+		break;
+	}
+
+	return ptxservq->qcnt;
+}
+
+/*
+ * Calculate wlan 802.11 packet MAX size from pkt_attrib
+ * This function doesn't consider fragment case
+ */
+u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib)
+{
+	u32	len = 0;
+
+	len = pattrib->hdrlen + pattrib->iv_len; /*  WLAN Header and IV */
+	len += SNAP_SIZE + sizeof(u16); /*  LLC */
+	len += pattrib->pktlen;
+	if (pattrib->encrypt == _TKIP_)
+		len += 8; /*  MIC */
+	len += ((pattrib->bswenc) ? pattrib->icv_len : 0); /*  ICV */
+
+	return len;
+}
+
+/*
+
+This sub-routine will perform all the following:
+
+1. remove 802.3 header.
+2. create wlan_header, based on the info in pxmitframe
+3. append sta's iv/ext-iv
+4. append LLC
+5. move frag chunk from pframe to pxmitframe->mem
+6. apply sw-encrypt, if necessary.
+
+*/
+s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct xmit_frame *pxmitframe)
+{
+	struct pkt_file pktfile;
+	s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz;
+	size_t addr;
+	u8 *pframe, *mem_start;
+	u8 hw_hdr_offset;
+	struct sta_info		*psta;
+	struct xmit_priv	*pxmitpriv = &padapter->xmitpriv;
+	struct pkt_attrib	*pattrib = &pxmitframe->attrib;
+	u8 *pbuf_start;
+	s32 bmcst = IS_MCAST(pattrib->ra);
+	s32 res = _SUCCESS;
+
+_func_enter_;
+
+	psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
+
+	if (psta == NULL)
+		return _FAIL;
+
+	if (pxmitframe->buf_addr == NULL) {
+		DBG_88E("==> %s buf_addr == NULL\n", __func__);
+		return _FAIL;
+	}
+
+	pbuf_start = pxmitframe->buf_addr;
+
+	hw_hdr_offset =  TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
+
+	mem_start = pbuf_start +	hw_hdr_offset;
+
+	if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) {
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n"));
+		DBG_88E("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n");
+		res = _FAIL;
+		goto exit;
+	}
+
+	_rtw_open_pktfile(pkt, &pktfile);
+	_rtw_pktfile_read(&pktfile, NULL, pattrib->pkt_hdrlen);
+
+	frg_inx = 0;
+	frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */
+
+	while (1) {
+		llc_sz = 0;
+
+		mpdu_len = frg_len;
+
+		pframe = mem_start;
+
+		SetMFrag(mem_start);
+
+		pframe += pattrib->hdrlen;
+		mpdu_len -= pattrib->hdrlen;
+
+		/* adding icv, if necessary... */
+		if (pattrib->iv_len) {
+			if (psta != NULL) {
+				switch (pattrib->encrypt) {
+				case _WEP40_:
+				case _WEP104_:
+					WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
+					break;
+				case _TKIP_:
+					if (bmcst)
+						TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
+					else
+						TKIP_IV(pattrib->iv, psta->dot11txpn, 0);
+					break;
+				case _AES_:
+					if (bmcst)
+						AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx);
+					else
+						AES_IV(pattrib->iv, psta->dot11txpn, 0);
+					break;
+				}
+			}
+
+			memcpy(pframe, pattrib->iv, pattrib->iv_len);
+
+			RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_,
+				 ("rtw_xmitframe_coalesce: keyid=%d pattrib->iv[3]=%.2x pframe=%.2x %.2x %.2x %.2x\n",
+				  padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3)));
+
+			pframe += pattrib->iv_len;
+
+			mpdu_len -= pattrib->iv_len;
+		}
+
+		if (frg_inx == 0) {
+			llc_sz = rtw_put_snap(pframe, pattrib->ether_type);
+			pframe += llc_sz;
+			mpdu_len -= llc_sz;
+		}
+
+		if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
+			mpdu_len -= pattrib->icv_len;
+		}
+
+		if (bmcst) {
+			/*  don't do fragment to broadcat/multicast packets */
+			mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen);
+		} else {
+			mem_sz = _rtw_pktfile_read(&pktfile, pframe, mpdu_len);
+		}
+
+		pframe += mem_sz;
+
+		if ((pattrib->icv_len > 0) && (pattrib->bswenc)) {
+			memcpy(pframe, pattrib->icv, pattrib->icv_len);
+			pframe += pattrib->icv_len;
+		}
+
+		frg_inx++;
+
+		if (bmcst || rtw_endofpktfile(&pktfile)) {
+			pattrib->nr_frags = frg_inx;
+
+			pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags == 1) ? llc_sz : 0) +
+						((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz;
+
+			ClearMFrag(mem_start);
+
+			break;
+		} else {
+			RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__));
+		}
+
+		addr = (size_t)(pframe);
+
+		mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset;
+		memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
+	}
+
+	if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) {
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"));
+		DBG_88E("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n");
+		res = _FAIL;
+		goto exit;
+	}
+
+	xmitframe_swencrypt(padapter, pxmitframe);
+
+	if (!bmcst)
+		update_attrib_vcs_info(padapter, pxmitframe);
+	else
+		pattrib->vcs_mode = NONE_VCS;
+
+exit:
+
+_func_exit_;
+
+	return res;
+}
+
+/* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header
+ * IEEE LLC/SNAP header contains 8 octets
+ * First 3 octets comprise the LLC portion
+ * SNAP portion, 5 octets, is divided into two fields:
+ *	Organizationally Unique Identifier(OUI), 3 octets,
+ *	type, defined by that organization, 2 octets.
+ */
+s32 rtw_put_snap(u8 *data, u16 h_proto)
+{
+	struct ieee80211_snap_hdr *snap;
+	u8 *oui;
+
+_func_enter_;
+
+	snap = (struct ieee80211_snap_hdr *)data;
+	snap->dsap = 0xaa;
+	snap->ssap = 0xaa;
+	snap->ctrl = 0x03;
+
+	if (h_proto == 0x8137 || h_proto == 0x80f3)
+		oui = P802_1H_OUI;
+	else
+		oui = RFC1042_OUI;
+
+	snap->oui[0] = oui[0];
+	snap->oui[1] = oui[1];
+	snap->oui[2] = oui[2];
+
+	*(__be16 *)(data + SNAP_SIZE) = htons(h_proto);
+
+_func_exit_;
+
+	return SNAP_SIZE + sizeof(u16);
+}
+
+void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len)
+{
+	uint	protection;
+	u8	*perp;
+	int	 erp_len;
+	struct	xmit_priv *pxmitpriv = &padapter->xmitpriv;
+	struct	registry_priv *pregistrypriv = &padapter->registrypriv;
+
+_func_enter_;
+
+	switch (pxmitpriv->vcs_setting) {
+	case DISABLE_VCS:
+		pxmitpriv->vcs = NONE_VCS;
+		break;
+	case ENABLE_VCS:
+		break;
+	case AUTO_VCS:
+	default:
+		perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len);
+		if (perp == NULL) {
+			pxmitpriv->vcs = NONE_VCS;
+		} else {
+			protection = (*(perp + 2)) & BIT(1);
+			if (protection) {
+				if (pregistrypriv->vcs_type == RTS_CTS)
+					pxmitpriv->vcs = RTS_CTS;
+				else
+					pxmitpriv->vcs = CTS_TO_SELF;
+			} else {
+				pxmitpriv->vcs = NONE_VCS;
+			}
+		}
+		break;
+	}
+
+_func_exit_;
+}
+
+void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz)
+{
+	struct sta_info *psta = NULL;
+	struct stainfo_stats *pstats = NULL;
+	struct xmit_priv	*pxmitpriv = &padapter->xmitpriv;
+	struct mlme_priv	*pmlmepriv = &padapter->mlmepriv;
+
+	if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) {
+		pxmitpriv->tx_bytes += sz;
+		pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pxmitframe->agg_num;
+
+		psta = pxmitframe->attrib.psta;
+		if (psta) {
+			pstats = &psta->sta_stats;
+			pstats->tx_pkts += pxmitframe->agg_num;
+			pstats->tx_bytes += sz;
+		}
+	}
+}
+
+struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv)
+{
+	unsigned long irql;
+	struct xmit_buf *pxmitbuf =  NULL;
+	struct list_head *plist, *phead;
+	struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
+
+_func_enter_;
+
+	_enter_critical(&pfree_queue->lock, &irql);
+
+	if (_rtw_queue_empty(pfree_queue) == true) {
+		pxmitbuf = NULL;
+	} else {
+		phead = get_list_head(pfree_queue);
+
+		plist = get_next(phead);
+
+		pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
+
+		rtw_list_delete(&(pxmitbuf->list));
+	}
+
+	if (pxmitbuf !=  NULL) {
+		pxmitpriv->free_xmit_extbuf_cnt--;
+
+		pxmitbuf->priv_data = NULL;
+		/* pxmitbuf->ext_tag = true; */
+
+		if (pxmitbuf->sctx) {
+			DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
+			rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
+		}
+	}
+
+	_exit_critical(&pfree_queue->lock, &irql);
+
+_func_exit_;
+
+	return pxmitbuf;
+}
+
+s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
+{
+	unsigned long irql;
+	struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue;
+
+_func_enter_;
+
+	if (pxmitbuf == NULL)
+		return _FAIL;
+
+	_enter_critical(&pfree_queue->lock, &irql);
+
+	rtw_list_delete(&pxmitbuf->list);
+
+	rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(pfree_queue));
+	pxmitpriv->free_xmit_extbuf_cnt++;
+
+	_exit_critical(&pfree_queue->lock, &irql);
+
+_func_exit_;
+
+	return _SUCCESS;
+}
+
+struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv)
+{
+	unsigned long irql;
+	struct xmit_buf *pxmitbuf =  NULL;
+	struct list_head *plist, *phead;
+	struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
+
+_func_enter_;
+
+	/* DBG_88E("+rtw_alloc_xmitbuf\n"); */
+
+	_enter_critical(&pfree_xmitbuf_queue->lock, &irql);
+
+	if (_rtw_queue_empty(pfree_xmitbuf_queue) == true) {
+		pxmitbuf = NULL;
+	} else {
+		phead = get_list_head(pfree_xmitbuf_queue);
+
+		plist = get_next(phead);
+
+		pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
+
+		rtw_list_delete(&(pxmitbuf->list));
+	}
+
+	if (pxmitbuf !=  NULL) {
+		pxmitpriv->free_xmitbuf_cnt--;
+		pxmitbuf->priv_data = NULL;
+		if (pxmitbuf->sctx) {
+			DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
+			rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC);
+		}
+	}
+	_exit_critical(&pfree_xmitbuf_queue->lock, &irql);
+
+_func_exit_;
+
+	return pxmitbuf;
+}
+
+s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
+{
+	unsigned long irql;
+	struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue;
+
+_func_enter_;
+	if (pxmitbuf == NULL)
+		return _FAIL;
+
+	if (pxmitbuf->sctx) {
+		DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__);
+		rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE);
+	}
+
+	if (pxmitbuf->ext_tag) {
+		rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf);
+	} else {
+		_enter_critical(&pfree_xmitbuf_queue->lock, &irql);
+
+		rtw_list_delete(&pxmitbuf->list);
+
+		rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue));
+
+		pxmitpriv->free_xmitbuf_cnt++;
+		_exit_critical(&pfree_xmitbuf_queue->lock, &irql);
+	}
+
+_func_exit_;
+
+	return _SUCCESS;
+}
+
+/*
+Calling context:
+1. OS_TXENTRY
+2. RXENTRY (rx_thread or RX_ISR/RX_CallBack)
+
+If we turn on USE_RXTHREAD, then, no need for critical section.
+Otherwise, we must use _enter/_exit critical to protect free_xmit_queue...
+
+Must be very very cautious...
+
+*/
+
+struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)/* _queue *pfree_xmit_queue) */
+{
+	/*
+		Please remember to use all the osdep_service api,
+		and lock/unlock or _enter/_exit critical to protect
+		pfree_xmit_queue
+	*/
+
+	unsigned long irql;
+	struct xmit_frame *pxframe = NULL;
+	struct list_head *plist, *phead;
+	struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
+
+_func_enter_;
+
+	_enter_critical_bh(&pfree_xmit_queue->lock, &irql);
+
+	if (_rtw_queue_empty(pfree_xmit_queue) == true) {
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe:%d\n", pxmitpriv->free_xmitframe_cnt));
+		pxframe =  NULL;
+	} else {
+		phead = get_list_head(pfree_xmit_queue);
+
+		plist = get_next(phead);
+
+		pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
+
+		rtw_list_delete(&(pxframe->list));
+	}
+
+	if (pxframe !=  NULL) { /* default value setting */
+		pxmitpriv->free_xmitframe_cnt--;
+
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt));
+
+		pxframe->buf_addr = NULL;
+		pxframe->pxmitbuf = NULL;
+
+		_rtw_memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib));
+		/* pxframe->attrib.psta = NULL; */
+
+		pxframe->frame_tag = DATA_FRAMETAG;
+
+		pxframe->pkt = NULL;
+		pxframe->pkt_offset = 1;/* default use pkt_offset to fill tx desc */
+
+		pxframe->agg_num = 1;
+		pxframe->ack_report = 0;
+	}
+
+	_exit_critical_bh(&pfree_xmit_queue->lock, &irql);
+
+_func_exit_;
+
+	return pxframe;
+}
+
+s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe)
+{
+	unsigned long irql;
+	struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue;
+	struct adapter *padapter = pxmitpriv->adapter;
+	struct sk_buff *pndis_pkt = NULL;
+
+_func_enter_;
+
+	if (pxmitframe == NULL) {
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====== rtw_free_xmitframe():pxmitframe == NULL!!!!!!!!!!\n"));
+		goto exit;
+	}
+
+	_enter_critical_bh(&pfree_xmit_queue->lock, &irql);
+
+	rtw_list_delete(&pxmitframe->list);
+
+	if (pxmitframe->pkt) {
+		pndis_pkt = pxmitframe->pkt;
+		pxmitframe->pkt = NULL;
+	}
+
+	rtw_list_insert_tail(&pxmitframe->list, get_list_head(pfree_xmit_queue));
+
+	pxmitpriv->free_xmitframe_cnt++;
+	RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt));
+
+	_exit_critical_bh(&pfree_xmit_queue->lock, &irql);
+
+	if (pndis_pkt)
+		rtw_os_pkt_complete(padapter, pndis_pkt);
+
+exit:
+
+_func_exit_;
+
+	return _SUCCESS;
+}
+
+void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue)
+{
+	unsigned long irql;
+	struct list_head *plist, *phead;
+	struct	xmit_frame	*pxmitframe;
+
+_func_enter_;
+
+	_enter_critical_bh(&(pframequeue->lock), &irql);
+
+	phead = get_list_head(pframequeue);
+	plist = get_next(phead);
+
+	while (!rtw_end_of_queue_search(phead, plist)) {
+		pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
+
+		plist = get_next(plist);
+
+		rtw_free_xmitframe(pxmitpriv, pxmitframe);
+	}
+	_exit_critical_bh(&(pframequeue->lock), &irql);
+
+_func_exit_;
+}
+
+s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+	if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) {
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_,
+			 ("rtw_xmitframe_enqueue: drop xmit pkt for classifier fail\n"));
+/* 		pxmitframe->pkt = NULL; */
+		return _FAIL;
+	}
+
+	return _SUCCESS;
+}
+
+static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit, struct tx_servq *ptxservq, struct __queue *pframe_queue)
+{
+	struct list_head *xmitframe_plist, *xmitframe_phead;
+	struct	xmit_frame	*pxmitframe = NULL;
+
+	xmitframe_phead = get_list_head(pframe_queue);
+	xmitframe_plist = get_next(xmitframe_phead);
+
+	while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) {
+		pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
+
+		xmitframe_plist = get_next(xmitframe_plist);
+
+		rtw_list_delete(&pxmitframe->list);
+
+		ptxservq->qcnt--;
+
+		break;
+
+		pxmitframe = NULL;
+	}
+
+	return pxmitframe;
+}
+
+struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, int entry)
+{
+	unsigned long irql0;
+	struct list_head *sta_plist, *sta_phead;
+	struct hw_xmit *phwxmit;
+	struct tx_servq *ptxservq = NULL;
+	struct __queue *pframe_queue = NULL;
+	struct xmit_frame *pxmitframe = NULL;
+	struct adapter *padapter = pxmitpriv->adapter;
+	struct registry_priv	*pregpriv = &padapter->registrypriv;
+	int i, inx[4];
+
+_func_enter_;
+
+	inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
+
+	if (pregpriv->wifi_spec == 1) {
+		int j;
+
+		for (j = 0; j < 4; j++)
+			inx[j] = pxmitpriv->wmm_para_seq[j];
+	}
+
+	_enter_critical_bh(&pxmitpriv->lock, &irql0);
+
+	for (i = 0; i < entry; i++) {
+		phwxmit = phwxmit_i + inx[i];
+
+		sta_phead = get_list_head(phwxmit->sta_queue);
+		sta_plist = get_next(sta_phead);
+
+		while (!rtw_end_of_queue_search(sta_phead, sta_plist)) {
+			ptxservq = LIST_CONTAINOR(sta_plist, struct tx_servq, tx_pending);
+
+			pframe_queue = &ptxservq->sta_pending;
+
+			pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue);
+
+			if (pxmitframe) {
+				phwxmit->accnt--;
+
+				/* Remove sta node when there are no pending packets. */
+				if (_rtw_queue_empty(pframe_queue)) /* must be done after get_next and before break */
+					rtw_list_delete(&ptxservq->tx_pending);
+				goto exit;
+			}
+
+			sta_plist = get_next(sta_plist);
+		}
+	}
+exit:
+	_exit_critical_bh(&pxmitpriv->lock, &irql0);
+_func_exit_;
+	return pxmitframe;
+}
+
+struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, int up, u8 *ac)
+{
+	struct tx_servq *ptxservq;
+
+_func_enter_;
+	switch (up) {
+	case 1:
+	case 2:
+		ptxservq = &(psta->sta_xmitpriv.bk_q);
+		*(ac) = 3;
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BK\n"));
+		break;
+	case 4:
+	case 5:
+		ptxservq = &(psta->sta_xmitpriv.vi_q);
+		*(ac) = 1;
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VI\n"));
+		break;
+	case 6:
+	case 7:
+		ptxservq = &(psta->sta_xmitpriv.vo_q);
+		*(ac) = 0;
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VO\n"));
+		break;
+	case 0:
+	case 3:
+	default:
+		ptxservq = &(psta->sta_xmitpriv.be_q);
+		*(ac) = 2;
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BE\n"));
+	break;
+	}
+
+_func_exit_;
+
+	return ptxservq;
+}
+
+/*
+ * Will enqueue pxmitframe to the proper queue,
+ * and indicate it to xx_pending list.....
+ */
+s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+	/* unsigned long irql0; */
+	u8	ac_index;
+	struct sta_info	*psta;
+	struct tx_servq	*ptxservq;
+	struct pkt_attrib	*pattrib = &pxmitframe->attrib;
+	struct sta_priv	*pstapriv = &padapter->stapriv;
+	struct hw_xmit	*phwxmits =  padapter->xmitpriv.hwxmits;
+	int res = _SUCCESS;
+
+_func_enter_;
+
+	if (pattrib->psta) {
+		psta = pattrib->psta;
+	} else {
+		psta = rtw_get_stainfo(pstapriv, pattrib->ra);
+	}
+
+	if (psta == NULL) {
+		res = _FAIL;
+		DBG_88E("rtw_xmit_classifier: psta == NULL\n");
+		RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmit_classifier: psta == NULL\n"));
+		goto exit;
+	}
+
+	ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
+
+	if (rtw_is_list_empty(&ptxservq->tx_pending))
+		rtw_list_insert_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue));
+
+	rtw_list_insert_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending));
+	ptxservq->qcnt++;
+	phwxmits[ac_index].accnt++;
+exit:
+
+_func_exit_;
+
+	return res;
+}
+
+void rtw_alloc_hwxmits(struct adapter *padapter)
+{
+	struct hw_xmit *hwxmits;
+	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+	pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
+
+	pxmitpriv->hwxmits = (struct hw_xmit *)rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry);
+
+	hwxmits = pxmitpriv->hwxmits;
+
+	if (pxmitpriv->hwxmit_entry == 5) {
+		hwxmits[0] .sta_queue = &pxmitpriv->bm_pending;
+		hwxmits[1] .sta_queue = &pxmitpriv->vo_pending;
+		hwxmits[2] .sta_queue = &pxmitpriv->vi_pending;
+		hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
+		hwxmits[4] .sta_queue = &pxmitpriv->be_pending;
+	} else if (pxmitpriv->hwxmit_entry == 4) {
+		hwxmits[0] .sta_queue = &pxmitpriv->vo_pending;
+		hwxmits[1] .sta_queue = &pxmitpriv->vi_pending;
+		hwxmits[2] .sta_queue = &pxmitpriv->be_pending;
+		hwxmits[3] .sta_queue = &pxmitpriv->bk_pending;
+	} else {
+	}
+}
+
+void rtw_free_hwxmits(struct adapter *padapter)
+{
+	struct hw_xmit *hwxmits;
+	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+	hwxmits = pxmitpriv->hwxmits;
+	kfree(hwxmits);
+}
+
+void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry)
+{
+	int i;
+_func_enter_;
+	for (i = 0; i < entry; i++, phwxmit++)
+		phwxmit->accnt = 0;
+_func_exit_;
+}
+
+static int rtw_br_client_tx(struct adapter *padapter, struct sk_buff **pskb)
+{
+	struct sk_buff *skb = *pskb;
+	unsigned long irql;
+	int res, is_vlan_tag = 0, i, do_nat25 = 1;
+	unsigned short vlan_hdr = 0;
+	void *br_port = NULL;
+
+	rcu_read_lock();
+	br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
+	rcu_read_unlock();
+	_enter_critical_bh(&padapter->br_ext_lock, &irql);
+	if (!(skb->data[0] & 1) && br_port &&
+	    memcmp(skb->data+MACADDRLEN, padapter->br_mac, MACADDRLEN) &&
+	    *((__be16 *)(skb->data+MACADDRLEN*2)) != __constant_htons(ETH_P_8021Q) &&
+	    *((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP) &&
+	    !memcmp(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN) && padapter->scdb_entry) {
+		memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN);
+		padapter->scdb_entry->ageing_timer = jiffies;
+		_exit_critical_bh(&padapter->br_ext_lock, &irql);
+	} else {
+		if (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_8021Q)) {
+			is_vlan_tag = 1;
+			vlan_hdr = *((unsigned short *)(skb->data+MACADDRLEN*2+2));
+			for (i = 0; i < 6; i++)
+				*((unsigned short *)(skb->data+MACADDRLEN*2+2-i*2)) = *((unsigned short *)(skb->data+MACADDRLEN*2-2-i*2));
+			skb_pull(skb, 4);
+		}
+		if (!memcmp(skb->data+MACADDRLEN, padapter->br_mac, MACADDRLEN) &&
+		    (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP)))
+			memcpy(padapter->br_ip, skb->data+WLAN_ETHHDR_LEN+12, 4);
+
+		if (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP)) {
+			if (memcmp(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN)) {
+				padapter->scdb_entry = (struct nat25_network_db_entry *)scdb_findEntry(padapter,
+							skb->data+MACADDRLEN, skb->data+WLAN_ETHHDR_LEN+12);
+				if (padapter->scdb_entry) {
+					memcpy(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN);
+					memcpy(padapter->scdb_ip, skb->data+WLAN_ETHHDR_LEN+12, 4);
+					padapter->scdb_entry->ageing_timer = jiffies;
+					do_nat25 = 0;
+				}
+			} else {
+				if (padapter->scdb_entry) {
+					padapter->scdb_entry->ageing_timer = jiffies;
+					do_nat25 = 0;
+				} else {
+					memset(padapter->scdb_mac, 0, MACADDRLEN);
+					memset(padapter->scdb_ip, 0, 4);
+				}
+			}
+		}
+		_exit_critical_bh(&padapter->br_ext_lock, &irql);
+		if (do_nat25) {
+			if (nat25_db_handle(padapter, skb, NAT25_CHECK) == 0) {
+				struct sk_buff *newskb;
+
+				if (is_vlan_tag) {
+					skb_push(skb, 4);
+					for (i = 0; i < 6; i++)
+						*((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2));
+					*((__be16 *)(skb->data+MACADDRLEN*2)) = __constant_htons(ETH_P_8021Q);
+					*((unsigned short *)(skb->data+MACADDRLEN*2+2)) = vlan_hdr;
+				}
+
+				newskb = skb_copy(skb, GFP_ATOMIC);
+				if (newskb == NULL) {
+					DEBUG_ERR("TX DROP: skb_copy fail!\n");
+					return -1;
+				}
+				dev_kfree_skb_any(skb);
+
+				*pskb = skb = newskb;
+				if (is_vlan_tag) {
+					vlan_hdr = *((unsigned short *)(skb->data+MACADDRLEN*2+2));
+					for (i = 0; i < 6; i++)
+						*((unsigned short *)(skb->data+MACADDRLEN*2+2-i*2)) = *((unsigned short *)(skb->data+MACADDRLEN*2-2-i*2));
+					skb_pull(skb, 4);
+				}
+			}
+
+			if (skb_is_nonlinear(skb))
+				DEBUG_ERR("%s(): skb_is_nonlinear!!\n", __func__);
+
+			res = skb_linearize(skb);
+			if (res < 0) {
+					DEBUG_ERR("TX DROP: skb_linearize fail!\n");
+					return -1;
+			}
+
+			res = nat25_db_handle(padapter, skb, NAT25_INSERT);
+			if (res < 0) {
+				if (res == -2) {
+					DEBUG_ERR("TX DROP: nat25_db_handle fail!\n");
+					return -1;
+				}
+				return 0;
+			}
+		}
+
+		memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN);
+
+		dhcp_flag_bcast(padapter, skb);
+
+		if (is_vlan_tag) {
+			skb_push(skb, 4);
+			for (i = 0; i < 6; i++)
+				*((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2));
+			*((__be16 *)(skb->data+MACADDRLEN*2)) = __constant_htons(ETH_P_8021Q);
+			*((unsigned short *)(skb->data+MACADDRLEN*2+2)) = vlan_hdr;
+		}
+	}
+
+	/*  check if SA is equal to our MAC */
+	if (memcmp(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN)) {
+		DEBUG_ERR("TX DROP: untransformed frame SA:%02X%02X%02X%02X%02X%02X!\n",
+			  skb->data[6], skb->data[7], skb->data[8], skb->data[9], skb->data[10], skb->data[11]);
+			return -1;
+	}
+	return 0;
+}
+
+u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe)
+{
+	u32 addr;
+	struct pkt_attrib *pattrib = &pxmitframe->attrib;
+
+	switch (pattrib->qsel) {
+	case 0:
+	case 3:
+		addr = BE_QUEUE_INX;
+		break;
+	case 1:
+	case 2:
+		addr = BK_QUEUE_INX;
+		break;
+	case 4:
+	case 5:
+		addr = VI_QUEUE_INX;
+		break;
+	case 6:
+	case 7:
+		addr = VO_QUEUE_INX;
+		break;
+	case 0x10:
+		addr = BCN_QUEUE_INX;
+		break;
+	case 0x11:/* BC/MC in PS (HIQ) */
+		addr = HIGH_QUEUE_INX;
+		break;
+	case 0x12:
+	default:
+		addr = MGT_QUEUE_INX;
+		break;
+	}
+
+	return addr;
+}
+
+static void do_queue_select(struct adapter	*padapter, struct pkt_attrib *pattrib)
+{
+	u8 qsel;
+
+	qsel = pattrib->priority;
+	RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("### do_queue_select priority=%d , qsel = %d\n", pattrib->priority , qsel));
+
+	pattrib->qsel = qsel;
+}
+
+/*
+ * The main transmit(tx) entry
+ *
+ * Return
+ *	1	enqueue
+ *	0	success, hardware will handle this xmit frame(packet)
+ *	<0	fail
+ */
+s32 rtw_xmit(struct adapter *padapter, struct sk_buff **ppkt)
+{
+#ifdef CONFIG_88EU_AP_MODE
+	unsigned long irql0;
+#endif
+	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+	struct xmit_frame *pxmitframe = NULL;
+	struct mlme_priv	*pmlmepriv = &padapter->mlmepriv;
+	void *br_port = NULL;
+	s32 res;
+
+	pxmitframe = rtw_alloc_xmitframe(pxmitpriv);
+	if (pxmitframe == NULL) {
+		RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n"));
+		DBG_88E("DBG_TX_DROP_FRAME %s no more pxmitframe\n", __func__);
+		return -1;
+	}
+
+	rcu_read_lock();
+	br_port = rcu_dereference(padapter->pnetdev->rx_handler_data);
+	rcu_read_unlock();
+
+	if (br_port && check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE)) {
+		res = rtw_br_client_tx(padapter, ppkt);
+		if (res == -1) {
+			rtw_free_xmitframe(pxmitpriv, pxmitframe);
+			return -1;
+		}
+	}
+
+	res = update_attrib(padapter, *ppkt, &pxmitframe->attrib);
+
+	if (res == _FAIL) {
+		RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: update attrib fail\n"));
+		rtw_free_xmitframe(pxmitpriv, pxmitframe);
+		return -1;
+	}
+	pxmitframe->pkt = *ppkt;
+
+	rtw_led_control(padapter, LED_CTL_TX);
+
+	do_queue_select(padapter, &pxmitframe->attrib);
+
+#ifdef CONFIG_88EU_AP_MODE
+	_enter_critical_bh(&pxmitpriv->lock, &irql0);
+	if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe)) {
+		_exit_critical_bh(&pxmitpriv->lock, &irql0);
+		return 1;
+	}
+	_exit_critical_bh(&pxmitpriv->lock, &irql0);
+#endif
+
+	if (rtw_hal_xmit(padapter, pxmitframe) == false)
+		return 1;
+
+	return 0;
+}
+
+#if defined(CONFIG_88EU_AP_MODE)
+
+int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+	unsigned long irql;
+	int ret = false;
+	struct sta_info *psta = NULL;
+	struct sta_priv *pstapriv = &padapter->stapriv;
+	struct pkt_attrib *pattrib = &pxmitframe->attrib;
+	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+	int bmcst = IS_MCAST(pattrib->ra);
+
+	if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false)
+	    return ret;
+
+	if (pattrib->psta)
+		psta = pattrib->psta;
+	else
+		psta = rtw_get_stainfo(pstapriv, pattrib->ra);
+
+	if (psta == NULL)
+		return ret;
+
+	if (pattrib->triggered == 1) {
+		if (bmcst)
+			pattrib->qsel = 0x11;/* HIQ */
+		return ret;
+	}
+
+	if (bmcst) {
+		_enter_critical_bh(&psta->sleep_q.lock, &irql);
+
+		if (pstapriv->sta_dz_bitmap) {/* if any one sta is in ps mode */
+			rtw_list_delete(&pxmitframe->list);
+
+			rtw_list_insert_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
+
+			psta->sleepq_len++;
+
+			pstapriv->tim_bitmap |= BIT(0);/*  */
+			pstapriv->sta_dz_bitmap |= BIT(0);
+
+			update_beacon(padapter, _TIM_IE_, NULL, false);/* tx bc/mc packets after upate bcn */
+
+			ret = true;
+		}
+
+		_exit_critical_bh(&psta->sleep_q.lock, &irql);
+
+		return ret;
+	}
+
+	_enter_critical_bh(&psta->sleep_q.lock, &irql);
+
+	if (psta->state&WIFI_SLEEP_STATE) {
+		u8 wmmps_ac = 0;
+
+		if (pstapriv->sta_dz_bitmap&BIT(psta->aid)) {
+			rtw_list_delete(&pxmitframe->list);
+
+			rtw_list_insert_tail(&pxmitframe->list, get_list_head(&psta->sleep_q));
+
+			psta->sleepq_len++;
+
+			switch (pattrib->priority) {
+			case 1:
+			case 2:
+				wmmps_ac = psta->uapsd_bk&BIT(0);
+				break;
+			case 4:
+			case 5:
+				wmmps_ac = psta->uapsd_vi&BIT(0);
+				break;
+			case 6:
+			case 7:
+				wmmps_ac = psta->uapsd_vo&BIT(0);
+				break;
+			case 0:
+			case 3:
+			default:
+				wmmps_ac = psta->uapsd_be&BIT(0);
+				break;
+			}
+
+			if (wmmps_ac)
+				psta->sleepq_ac_len++;
+
+			if (((psta->has_legacy_ac) && (!wmmps_ac)) ||
+			    ((!psta->has_legacy_ac) && (wmmps_ac))) {
+				pstapriv->tim_bitmap |= BIT(psta->aid);
+
+				if (psta->sleepq_len == 1) {
+					/* upate BCN for TIM IE */
+					update_beacon(padapter, _TIM_IE_, NULL, false);
+				}
+			}
+			ret = true;
+		}
+	}
+
+	_exit_critical_bh(&psta->sleep_q.lock, &irql);
+
+	return ret;
+}
+
+static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struct sta_info *psta, struct __queue *pframequeue)
+{
+	struct list_head *plist, *phead;
+	u8	ac_index;
+	struct tx_servq	*ptxservq;
+	struct pkt_attrib	*pattrib;
+	struct xmit_frame	*pxmitframe;
+	struct hw_xmit *phwxmits =  padapter->xmitpriv.hwxmits;
+
+	phead = get_list_head(pframequeue);
+	plist = get_next(phead);
+
+	while (!rtw_end_of_queue_search(phead, plist)) {
+		pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list);
+
+		plist = get_next(plist);
+
+		xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe);
+
+		pattrib = &pxmitframe->attrib;
+
+		ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index));
+
+		ptxservq->qcnt--;
+		phwxmits[ac_index].accnt--;
+	}
+}
+
+void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta)
+{
+	unsigned long irql0;
+	struct sta_info *psta_bmc;
+	struct sta_xmit_priv *pstaxmitpriv;
+	struct sta_priv *pstapriv = &padapter->stapriv;
+	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+
+	pstaxmitpriv = &psta->sta_xmitpriv;
+
+	/* for BC/MC Frames */
+	psta_bmc = rtw_get_bcmc_stainfo(padapter);
+
+	_enter_critical_bh(&pxmitpriv->lock, &irql0);
+
+	psta->state |= WIFI_SLEEP_STATE;
+
+	pstapriv->sta_dz_bitmap |= BIT(psta->aid);
+
+	dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending);
+	rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending));
+
+	dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending);
+	rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending));
+
+	dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending);
+	rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending));
+
+	dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending);
+	rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending));
+
+	/* for BC/MC Frames */
+	pstaxmitpriv = &psta_bmc->sta_xmitpriv;
+	dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending);
+	rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending));
+
+	_exit_critical_bh(&pxmitpriv->lock, &irql0);
+}
+
+void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta)
+{
+	unsigned long irql;
+	u8 update_mask = 0, wmmps_ac = 0;
+	struct sta_info *psta_bmc;
+	struct list_head *xmitframe_plist, *xmitframe_phead;
+	struct xmit_frame *pxmitframe = NULL;
+	struct sta_priv *pstapriv = &padapter->stapriv;
+
+	_enter_critical_bh(&psta->sleep_q.lock, &irql);
+
+	xmitframe_phead = get_list_head(&psta->sleep_q);
+	xmitframe_plist = get_next(xmitframe_phead);
+
+	while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) {
+		pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
+
+		xmitframe_plist = get_next(xmitframe_plist);
+
+		rtw_list_delete(&pxmitframe->list);
+
+		switch (pxmitframe->attrib.priority) {
+		case 1:
+		case 2:
+			wmmps_ac = psta->uapsd_bk&BIT(1);
+			break;
+		case 4:
+		case 5:
+			wmmps_ac = psta->uapsd_vi&BIT(1);
+			break;
+		case 6:
+		case 7:
+			wmmps_ac = psta->uapsd_vo&BIT(1);
+			break;
+		case 0:
+		case 3:
+		default:
+			wmmps_ac = psta->uapsd_be&BIT(1);
+			break;
+		}
+
+		psta->sleepq_len--;
+		if (psta->sleepq_len > 0)
+			pxmitframe->attrib.mdata = 1;
+		else
+			pxmitframe->attrib.mdata = 0;
+
+		if (wmmps_ac) {
+			psta->sleepq_ac_len--;
+			if (psta->sleepq_ac_len > 0) {
+				pxmitframe->attrib.mdata = 1;
+				pxmitframe->attrib.eosp = 0;
+			} else {
+				pxmitframe->attrib.mdata = 0;
+				pxmitframe->attrib.eosp = 1;
+			}
+		}
+
+		pxmitframe->attrib.triggered = 1;
+
+		_exit_critical_bh(&psta->sleep_q.lock, &irql);
+		if (rtw_hal_xmit(padapter, pxmitframe))
+			rtw_os_xmit_complete(padapter, pxmitframe);
+		_enter_critical_bh(&psta->sleep_q.lock, &irql);
+	}
+
+	if (psta->sleepq_len == 0) {
+		pstapriv->tim_bitmap &= ~BIT(psta->aid);
+
+		update_mask = BIT(0);
+
+		if (psta->state&WIFI_SLEEP_STATE)
+			psta->state ^= WIFI_SLEEP_STATE;
+
+		if (psta->state & WIFI_STA_ALIVE_CHK_STATE) {
+			psta->expire_to = pstapriv->expire_to;
+			psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
+		}
+
+		pstapriv->sta_dz_bitmap &= ~BIT(psta->aid);
+	}
+
+	_exit_critical_bh(&psta->sleep_q.lock, &irql);
+
+	/* for BC/MC Frames */
+	psta_bmc = rtw_get_bcmc_stainfo(padapter);
+	if (!psta_bmc)
+		return;
+
+	if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) { /* no any sta in ps mode */
+		_enter_critical_bh(&psta_bmc->sleep_q.lock, &irql);
+
+		xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
+		xmitframe_plist = get_next(xmitframe_phead);
+
+		while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) {
+			pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
+
+			xmitframe_plist = get_next(xmitframe_plist);
+
+			rtw_list_delete(&pxmitframe->list);
+
+			psta_bmc->sleepq_len--;
+			if (psta_bmc->sleepq_len > 0)
+				pxmitframe->attrib.mdata = 1;
+			else
+				pxmitframe->attrib.mdata = 0;
+
+			pxmitframe->attrib.triggered = 1;
+
+			_exit_critical_bh(&psta_bmc->sleep_q.lock, &irql);
+			if (rtw_hal_xmit(padapter, pxmitframe))
+				rtw_os_xmit_complete(padapter, pxmitframe);
+			_enter_critical_bh(&psta_bmc->sleep_q.lock, &irql);
+		}
+
+		if (psta_bmc->sleepq_len == 0) {
+			pstapriv->tim_bitmap &= ~BIT(0);
+			pstapriv->sta_dz_bitmap &= ~BIT(0);
+
+			update_mask |= BIT(1);
+		}
+
+		_exit_critical_bh(&psta_bmc->sleep_q.lock, &irql);
+	}
+
+	if (update_mask)
+		update_beacon(padapter, _TIM_IE_, NULL, false);
+}
+
+void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta)
+{
+	unsigned long irql;
+	u8 wmmps_ac = 0;
+	struct list_head *xmitframe_plist, *xmitframe_phead;
+	struct xmit_frame *pxmitframe = NULL;
+	struct sta_priv *pstapriv = &padapter->stapriv;
+
+	_enter_critical_bh(&psta->sleep_q.lock, &irql);
+
+	xmitframe_phead = get_list_head(&psta->sleep_q);
+	xmitframe_plist = get_next(xmitframe_phead);
+
+	while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) {
+		pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
+
+		xmitframe_plist = get_next(xmitframe_plist);
+
+		switch (pxmitframe->attrib.priority) {
+		case 1:
+		case 2:
+			wmmps_ac = psta->uapsd_bk&BIT(1);
+			break;
+		case 4:
+		case 5:
+			wmmps_ac = psta->uapsd_vi&BIT(1);
+			break;
+		case 6:
+		case 7:
+			wmmps_ac = psta->uapsd_vo&BIT(1);
+			break;
+		case 0:
+		case 3:
+		default:
+			wmmps_ac = psta->uapsd_be&BIT(1);
+			break;
+		}
+
+		if (!wmmps_ac)
+			continue;
+
+		rtw_list_delete(&pxmitframe->list);
+
+		psta->sleepq_len--;
+		psta->sleepq_ac_len--;
+
+		if (psta->sleepq_ac_len > 0) {
+			pxmitframe->attrib.mdata = 1;
+			pxmitframe->attrib.eosp = 0;
+		} else {
+			pxmitframe->attrib.mdata = 0;
+			pxmitframe->attrib.eosp = 1;
+		}
+
+		pxmitframe->attrib.triggered = 1;
+
+		if (rtw_hal_xmit(padapter, pxmitframe) == true)
+			rtw_os_xmit_complete(padapter, pxmitframe);
+
+		if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) && (wmmps_ac)) {
+			pstapriv->tim_bitmap &= ~BIT(psta->aid);
+
+			/* upate BCN for TIM IE */
+			update_beacon(padapter, _TIM_IE_, NULL, false);
+		}
+	}
+
+	_exit_critical_bh(&psta->sleep_q.lock, &irql);
+}
+
+#endif
+
+void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms)
+{
+	sctx->timeout_ms = timeout_ms;
+	sctx->submit_time = rtw_get_current_time();
+	init_completion(&sctx->done);
+	sctx->status = RTW_SCTX_SUBMITTED;
+}
+
+int rtw_sctx_wait(struct submit_ctx *sctx)
+{
+	int ret = _FAIL;
+	unsigned long expire;
+	int status = 0;
+
+	expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT;
+	if (!wait_for_completion_timeout(&sctx->done, expire)) {
+		/* timeout, do something?? */
+		status = RTW_SCTX_DONE_TIMEOUT;
+		DBG_88E("%s timeout\n", __func__);
+	} else {
+		status = sctx->status;
+	}
+
+	if (status == RTW_SCTX_DONE_SUCCESS)
+		ret = _SUCCESS;
+
+	return ret;
+}
+
+static bool rtw_sctx_chk_waring_status(int status)
+{
+	switch (status) {
+	case RTW_SCTX_DONE_UNKNOWN:
+	case RTW_SCTX_DONE_BUF_ALLOC:
+	case RTW_SCTX_DONE_BUF_FREE:
+
+	case RTW_SCTX_DONE_DRV_STOP:
+	case RTW_SCTX_DONE_DEV_REMOVE:
+		return true;
+	default:
+		return false;
+	}
+}
+
+void rtw_sctx_done_err(struct submit_ctx **sctx, int status)
+{
+	if (*sctx) {
+		if (rtw_sctx_chk_waring_status(status))
+			DBG_88E("%s status:%d\n", __func__, status);
+		(*sctx)->status = status;
+		complete(&((*sctx)->done));
+		*sctx = NULL;
+	}
+}
+
+void rtw_sctx_done(struct submit_ctx **sctx)
+{
+	rtw_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS);
+}
+
+int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms)
+{
+	struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
+
+	pack_tx_ops->submit_time = rtw_get_current_time();
+	pack_tx_ops->timeout_ms = timeout_ms;
+	pack_tx_ops->status = RTW_SCTX_SUBMITTED;
+
+	return rtw_sctx_wait(pack_tx_ops);
+}
+
+void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status)
+{
+	struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops;
+
+	if (pxmitpriv->ack_tx)
+		rtw_sctx_done_err(&pack_tx_ops, status);
+	else
+		DBG_88E("%s ack_tx not set\n", __func__);
+}