/******************************************************************************
 *
 * This file is provided under a dual license.  When you use or
 * distribute this software, you may choose to be licensed under
 * version 2 of the GNU General Public License ("GPLv2 License")
 * or BSD License.
 *
 * GPLv2 License
 *
 * Copyright(C) 2016 MediaTek Inc.
 *
 * 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 http://www.gnu.org/licenses/gpl-2.0.html for more details.
 *
 * BSD LICENSE
 *
 * Copyright(C) 2016 MediaTek Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *****************************************************************************/
/*
** Id: tdls.c#1
*/

/*! \file tdls.c
*    \brief This file includes IEEE802.11z TDLS support.
*/


/*******************************************************************************
 *						C O M P I L E R	 F L A G S
 ********************************************************************************
 */

/*******************************************************************************
 *						E X T E R N A L	R E F E R E N C E S
 ********************************************************************************
 */
#include "precomp.h"

#if CFG_SUPPORT_TDLS
#include "tdls.h"
#include "gl_cfg80211.h"
#include "queue.h"

/*******************************************************************************
*						C O N S T A N T S
********************************************************************************
*/
	/* The list of valid data rates. */
/* The list of valid data rates. */

/*******************************************************************************
*						F U N C T I O N   D E C L A R A T I O N S
********************************************************************************
*/

/*******************************************************************************
*						P R I V A T E   D A T A
********************************************************************************
*/

static BOOLEAN fgIsPtiTimeoutSkip = FALSE;

/*******************************************************************************
*						P R I V A T E  F U N C T I O N S
********************************************************************************
*/

#define ELEM_ID_LINK_IDENTIFIER_LENGTH 16

#define	TDLS_KEY_TIMEOUT_INTERVAL 43200

#define    UNREACH_ABLE 25
#define TDLS_REASON_CODE_UNREACHABLE  25
#define TDLS_REASON_CODE_UNSPECIFIED  26

#define WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE 25
#define WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED 26

UINT_8 g_arTdlsLink[MAXNUM_TDLS_PEER] = {
	0,
	0,
	0,
	0
};

/*----------------------------------------------------------------------------*/
/*!
* \brief This routine is called to hadel TDLS link oper from nl80211.
*
* \param[in] pvAdapter Pointer to the Adapter structure.
* \param[in]
* \param[in]
* \param[in] buf includes RSN IE + FT IE + Lifetimeout IE
*
* \retval WLAN_STATUS_SUCCESS
* \retval WLAN_STATUS_INVALID_LENGTH
*/
/*----------------------------------------------------------------------------*/
UINT_32 TdlsexLinkMgt(P_ADAPTER_T prAdapter, PVOID pvSetBuffer, UINT_32 u4SetBufferLen, PUINT_32 pu4SetInfoLen)
{
	/* from supplicant -- wpa_supplicant_tdls_peer_addset() */

	STA_RECORD_T *prStaRec;
	P_BSS_INFO_T prBssInfo;
	TDLS_CMD_LINK_MGT_T *prCmd;

	prCmd = (TDLS_CMD_LINK_MGT_T *) pvSetBuffer;
	prBssInfo = prAdapter->prAisBssInfo;

	/* printk("\n\n\n  TdlsexLinkMgt\n\n\n"); */

#if 1
	/* AIS only */
	if (prBssInfo->eCurrentOPMode == OP_MODE_INFRASTRUCTURE) {
		prStaRec = prBssInfo->prStaRecOfAP;
		if (prStaRec == NULL)
			return 0;
	} else {
		return -EINVAL;
	}
#endif

	prStaRec = prBssInfo->prStaRecOfAP;

	switch (prCmd->ucActionCode) {

	case TDLS_FRM_ACTION_DISCOVERY_REQ:
		/* printk("\n\n\n  TDLS_FRM_ACTION_DISCOVERY_REQ\n\n\n"); */
		if (prStaRec == NULL)
			return 0;
		if (TdlsDataFrameSend_DISCOVERY_REQ(prAdapter,
						    prStaRec,
						    prCmd->aucPeer,
						    prCmd->ucActionCode,
						    prCmd->ucDialogToken,
						    prCmd->u2StatusCode,
						    (UINT_8 *) (prCmd->aucSecBuf),
						    prCmd->u4SecBufLen) != TDLS_STATUS_SUCCESS) {
			return -1;
		}

		break;

	case TDLS_FRM_ACTION_SETUP_REQ:
		/* printk("\n\n\n  TDLS_FRM_ACTION_SETUP_REQ\n\n\n"); */
		if (prStaRec == NULL)
			return 0;
		prStaRec = cnmGetTdlsPeerByAddress(prAdapter, prAdapter->prAisBssInfo->ucBssIndex, prCmd->aucPeer);
		g_arTdlsLink[prStaRec->ucTdlsIndex] = 0;
		if (TdlsDataFrameSend_SETUP_REQ(prAdapter,
						prStaRec,
						prCmd->aucPeer,
						prCmd->ucActionCode,
						prCmd->ucDialogToken,
						prCmd->u2StatusCode,
						(UINT_8 *) (prCmd->aucSecBuf),
						prCmd->u4SecBufLen) != TDLS_STATUS_SUCCESS) {
			return -1;
		}

		break;

	case TDLS_FRM_ACTION_SETUP_RSP:

		/* fix sigma bug 5.2.4.2, 5.2.4.7, we sent Status code decline,
		* but the sigma recogniezis it as scucess, and it will fail
		*/
		/* if(prCmd->u2StatusCode != 0) */
		if (prBssInfo->fgTdlsIsProhibited)
			return 0;

		/* printk("\n\n\n  TDLS_FRM_ACTION_SETUP_RSP\n\n\n"); */
		if (TdlsDataFrameSend_SETUP_RSP(prAdapter,
						prStaRec,
						prCmd->aucPeer,
						prCmd->ucActionCode,
						prCmd->ucDialogToken,
						prCmd->u2StatusCode,
						(UINT_8 *) (prCmd->aucSecBuf),
						prCmd->u4SecBufLen) != TDLS_STATUS_SUCCESS) {
			return -1;
		}

		break;

	case TDLS_FRM_ACTION_DISCOVERY_RSP:
		/* printk("\n\n\n  TDLS_FRM_ACTION_DISCOVERY_RSP\n\n\n"); */
		if (TdlsDataFrameSend_DISCOVERY_RSP(prAdapter,
						    prStaRec,
						    prCmd->aucPeer,
						    prCmd->ucActionCode,
						    prCmd->ucDialogToken,
						    prCmd->u2StatusCode,
						    (UINT_8 *) (prCmd->aucSecBuf),
						    prCmd->u4SecBufLen) != TDLS_STATUS_SUCCESS) {
			return -1;
		}

		break;

	case TDLS_FRM_ACTION_CONFIRM:
		/* printk("\n\n\n  TDLS_FRM_ACTION_CONFIRM\n\n\n"); */
		if (TdlsDataFrameSend_CONFIRM(prAdapter,
					      prStaRec,
					      prCmd->aucPeer,
					      prCmd->ucActionCode,
					      prCmd->ucDialogToken,
					      prCmd->u2StatusCode,
					      (UINT_8 *) (prCmd->aucSecBuf),
					      prCmd->u4SecBufLen) != TDLS_STATUS_SUCCESS) {
			return -1;
		}
		break;

	case TDLS_FRM_ACTION_TEARDOWN:

		prStaRec = cnmGetTdlsPeerByAddress(prAdapter, prAdapter->prAisBssInfo->ucBssIndex, prCmd->aucPeer);
		if (prCmd->u2StatusCode == TDLS_REASON_CODE_UNREACHABLE) {
			/* printk("\n\n\n  u2StatusCode == TDLS_REASON_CODE_UNREACHABLE\n\n\n"); */
			g_arTdlsLink[prStaRec->ucTdlsIndex] = 0;
		}
		/* printk("\n\n\n  TDLS_FRM_ACTION_TEARDOWN\n\n\n"); */
		if (TdlsDataFrameSend_TearDown(prAdapter,
					       prStaRec,
					       prCmd->aucPeer,
					       prCmd->ucActionCode,
					       prCmd->ucDialogToken,
					       prCmd->u2StatusCode,
					       (UINT_8 *) (prCmd->aucSecBuf),
					       prCmd->u4SecBufLen) != TDLS_STATUS_SUCCESS) {
			/* printk("\n teardown frrame  send failure\n"); */
			return -1;
		}
		break;

	default:
		/* printk("\n\n\n  default\n\n\n"); */
		return -EINVAL;
	}

	return 0;

}

/*----------------------------------------------------------------------------*/
/*!
* \brief This routine is called to hadel TDLS link mgt from nl80211.
*
* \param[in] pvAdapter Pointer to the Adapter structure.
* \param[in]
* \param[in]
* \param[in] buf includes RSN IE + FT IE + Lifetimeout IE
*
* \retval WLAN_STATUS_SUCCESS
* \retval WLAN_STATUS_INVALID_LENGTH
*/
/*----------------------------------------------------------------------------*/
UINT_32 TdlsexLinkOper(P_ADAPTER_T prAdapter, PVOID pvSetBuffer, UINT_32 u4SetBufferLen, PUINT_32 pu4SetInfoLen)
{
	/* printk("TdlsexLinkOper\n"); */

	/* from supplicant -- wpa_supplicant_tdls_peer_addset() */
	UINT_16 i;
	STA_RECORD_T *prStaRec;

	TDLS_CMD_LINK_OPER_T *prCmd;

	prCmd = (TDLS_CMD_LINK_OPER_T *) pvSetBuffer;

	switch (prCmd->oper) {

	case TDLS_ENABLE_LINK:

		for (i = 0; i < MAXNUM_TDLS_PEER; i++) {
			if (!g_arTdlsLink[i]) {
				g_arTdlsLink[i] = 1;
				prStaRec =
				    cnmGetTdlsPeerByAddress(prAdapter,
							    prAdapter->prAisBssInfo->ucBssIndex, prCmd->aucPeerMac);
				prStaRec->ucTdlsIndex = i;
				break;
			}
		}

		/* printk("TDLS_ENABLE_LINK %d\n", i); */
		break;
	case TDLS_DISABLE_LINK:

		prStaRec = cnmGetTdlsPeerByAddress(prAdapter, prAdapter->prAisBssInfo->ucBssIndex, prCmd->aucPeerMac);

		/* printk("TDLS_ENABLE_LINK %d\n", prStaRec->ucTdlsIndex); */
		g_arTdlsLink[prStaRec->ucTdlsIndex] = 0;
		if (IS_DLS_STA(prStaRec))
			cnmStaRecFree(prAdapter, prStaRec);

		break;
	default:
		return 0;
	}

	return 0;
}

/*----------------------------------------------------------------------------*/
/*!
* \brief This routine is called to append general IEs.
*
* \param[in] pvAdapter Pointer to the Adapter structure.
* \param[in]
*
* \retval append length
*/
/*----------------------------------------------------------------------------*/
UINT_32 TdlsFrameGeneralIeAppend(ADAPTER_T *prAdapter, STA_RECORD_T *prStaRec, UINT_8 *pPkt)
{
	GLUE_INFO_T *prGlueInfo;
	BSS_INFO_T *prBssInfo;
	PM_PROFILE_SETUP_INFO_T *prPmProfSetupInfo;
	UINT_32 u4NonHTPhyType;
	UINT_16 u2SupportedRateSet;
	UINT_8 aucAllSupportedRates[RATE_NUM_SW] = { 0 };	/* 6628 RATE_NUM -> 6630 RATE_NUM_SW */
	UINT_8 ucAllSupportedRatesLen;
	UINT_8 ucSupRatesLen;
	UINT_8 ucExtSupRatesLen;
	UINT_32 u4PktLen, u4IeLen;

	/* init */
	prGlueInfo = (GLUE_INFO_T *) prAdapter->prGlueInfo;
	prBssInfo = prAdapter->prAisBssInfo;	/* AIS only */

	prPmProfSetupInfo = &prBssInfo->rPmProfSetupInfo;
	u4PktLen = 0;

	/* 3. Frame Formation - (5) Supported Rates element */
	/* use all sup rate we can support */
	u4NonHTPhyType = prStaRec->ucNonHTBasicPhyType;
	u2SupportedRateSet = rNonHTPhyAttributes[u4NonHTPhyType].u2SupportedRateSet;
	rateGetDataRatesFromRateSet(u2SupportedRateSet, 0, aucAllSupportedRates, &ucAllSupportedRatesLen);

	ucSupRatesLen = ((ucAllSupportedRatesLen > ELEM_MAX_LEN_SUP_RATES) ?
			 ELEM_MAX_LEN_SUP_RATES : ucAllSupportedRatesLen);

	ucExtSupRatesLen = ucAllSupportedRatesLen - ucSupRatesLen;

	if (ucSupRatesLen) {
		SUP_RATES_IE(pPkt)->ucId = ELEM_ID_SUP_RATES;
		SUP_RATES_IE(pPkt)->ucLength = ucSupRatesLen;
		kalMemCopy(SUP_RATES_IE(pPkt)->aucSupportedRates, aucAllSupportedRates, ucSupRatesLen);

		u4IeLen = IE_SIZE(pPkt);
		pPkt += u4IeLen;
		u4PktLen += u4IeLen;
	}

	/* 3. Frame Formation - (7) Extended sup rates element */
	if (ucExtSupRatesLen) {

		EXT_SUP_RATES_IE(pPkt)->ucId = ELEM_ID_EXTENDED_SUP_RATES;
		EXT_SUP_RATES_IE(pPkt)->ucLength = ucExtSupRatesLen;

		kalMemCopy(EXT_SUP_RATES_IE(pPkt)->aucExtSupportedRates,
			   &aucAllSupportedRates[ucSupRatesLen], ucExtSupRatesLen);

		u4IeLen = IE_SIZE(pPkt);
		pPkt += u4IeLen;
		u4PktLen += u4IeLen;
	}

	/* 3. Frame Formation - (8) Supported channels element */
	SUPPORTED_CHANNELS_IE(pPkt)->ucId = ELEM_ID_SUP_CHS;
	SUPPORTED_CHANNELS_IE(pPkt)->ucLength = 2;
	SUPPORTED_CHANNELS_IE(pPkt)->ucChannelNum[0] = 1;
	SUPPORTED_CHANNELS_IE(pPkt)->ucChannelNum[1] = 13;

	if (prAdapter->fgEnable5GBand == TRUE) {
		SUPPORTED_CHANNELS_IE(pPkt)->ucLength = 10;
		SUPPORTED_CHANNELS_IE(pPkt)->ucChannelNum[2] = 36;
		SUPPORTED_CHANNELS_IE(pPkt)->ucChannelNum[3] = 4;
		SUPPORTED_CHANNELS_IE(pPkt)->ucChannelNum[4] = 52;
		SUPPORTED_CHANNELS_IE(pPkt)->ucChannelNum[5] = 4;
		SUPPORTED_CHANNELS_IE(pPkt)->ucChannelNum[6] = 149;
		SUPPORTED_CHANNELS_IE(pPkt)->ucChannelNum[7] = 4;
		SUPPORTED_CHANNELS_IE(pPkt)->ucChannelNum[8] = 165;
		SUPPORTED_CHANNELS_IE(pPkt)->ucChannelNum[9] = 1;
	}

	u4IeLen = IE_SIZE(pPkt);
	pPkt += u4IeLen;
	u4PktLen += u4IeLen;

	return u4PktLen;
}

 /*******************************************************************************
 *						 P U B L I C  F U N C T I O N S
 ********************************************************************************
 */

/*!
* \brief This routine is called to transmit a TDLS data frame.
*
* \param[in] pvAdapter Pointer to the Adapter structure.
* \param[in]
* \param[in]
* \param[in] buf includes RSN IE + FT IE + Lifetimeout IE
*
* \retval WLAN_STATUS_SUCCESS
* \retval WLAN_STATUS_INVALID_LENGTH
*/
/*----------------------------------------------------------------------------*/
WLAN_STATUS
TdlsDataFrameSend_TearDown(ADAPTER_T *prAdapter,
			   STA_RECORD_T *prStaRec,
			   UINT_8 *pPeerMac,
			   UINT_8 ucActionCode,
			   UINT_8 ucDialogToken, UINT_16 u2StatusCode, UINT_8 *pAppendIe, UINT_32 AppendIeLen)
{

	GLUE_INFO_T *prGlueInfo;
	BSS_INFO_T *prBssInfo;
	PM_PROFILE_SETUP_INFO_T *prPmProfSetupInfo;
	struct sk_buff *prMsduInfo;
	UINT_8 *pPkt;
	UINT_32 u4PktLen, u4IeLen;
	UINT_16 ReasonCode;

	/* allocate/init packet */
	prGlueInfo = (GLUE_INFO_T *) prAdapter->prGlueInfo;
	prBssInfo = prAdapter->prAisBssInfo;	/* AIS only */

	prPmProfSetupInfo = &prBssInfo->rPmProfSetupInfo;
	u4PktLen = 0;

	prMsduInfo = kalPacketAllocWithHeadroom(prGlueInfo, 1600, &pPkt);
	if (prMsduInfo == NULL)
		return TDLS_STATUS_RESOURCES;

	prMsduInfo->dev = prGlueInfo->prDevHandler;
	if (prMsduInfo->dev == NULL) {
		kalPacketFree(prGlueInfo, prMsduInfo);
		return TDLS_STATUS_FAIL;
	}

	/* make up frame content */
	/* 1. 802.3 header */
	kalMemCopy(pPkt, pPeerMac, TDLS_FME_MAC_ADDR_LEN);
	pPkt += TDLS_FME_MAC_ADDR_LEN;
	kalMemCopy(pPkt, prAdapter->rMyMacAddr, TDLS_FME_MAC_ADDR_LEN);
	pPkt += TDLS_FME_MAC_ADDR_LEN;
	*(UINT_16 *) pPkt = htons(TDLS_FRM_PROT_TYPE);
	pPkt += 2;
	u4PktLen += TDLS_FME_MAC_ADDR_LEN * 2 + 2;

	/* 2. payload type */
	*pPkt = TDLS_FRM_PAYLOAD_TYPE;
	pPkt++;
	u4PktLen++;

	/* 3. Frame Formation - (1) Category */
	*pPkt = TDLS_FRM_CATEGORY;
	pPkt++;
	u4PktLen++;

	/* 3. Frame Formation - (2) Action */
	*pPkt = ucActionCode;
	pPkt++;
	u4PktLen++;

	/* 3. Frame Formation - status code */

	ReasonCode = u2StatusCode;

	/* printk("\n\n ReasonCode = %u\n\n",ReasonCode ); */

	kalMemCopy(pPkt, &ReasonCode, 2);
	pPkt = pPkt + 2;
	u4PktLen = u4PktLen + 2;

	if (pAppendIe != NULL) {
		if ((ucActionCode != TDLS_FRM_ACTION_TEARDOWN) ||
		    ((ucActionCode == TDLS_FRM_ACTION_TEARDOWN) && (prStaRec != NULL))) {
			kalMemCopy(pPkt, pAppendIe, AppendIeLen);
			LR_TDLS_FME_FIELD_FILL(AppendIeLen);
		}
	}

	/* 7. Append Supported Operating Classes IE */
	if (ucActionCode != TDLS_FRM_ACTION_TEARDOWN) {
		/* Note: if we do not put the IE, Marvell STA will decline our TDLS setup request */
		u4IeLen = rlmDomainSupOperatingClassIeFill(pPkt);
		LR_TDLS_FME_FIELD_FILL(u4IeLen);
	}

	/* 3. Frame Formation - (16) Link identifier element */
	TDLS_LINK_IDENTIFIER_IE(pPkt)->ucId = ELEM_ID_LINK_IDENTIFIER;
	TDLS_LINK_IDENTIFIER_IE(pPkt)->ucLength = 18;

	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aBSSID, prBssInfo->aucBSSID, 6);
	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aInitiator, prAdapter->rMyMacAddr, 6);
	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aResponder, pPeerMac, 6);

	u4IeLen = IE_SIZE(pPkt);
	pPkt += u4IeLen;
	u4PktLen += u4IeLen;

	/* 5. Update packet length */
	prMsduInfo->len = u4PktLen;

	/* if(u2StatusCode == UNREACH_ABLE ){ */
	/* g_arTdlsLink[prStaRec->ucTdlsIndex] = FALSE; */
	/* } */

	/* printk(" TdlsDataFrameSend_TearDown !!\n"); */

	/* 5. send the data frame */
	wlanHardStartXmit(prMsduInfo, prMsduInfo->dev);

	return TDLS_STATUS_SUCCESS;
}

/*!
* \brief This routine is called to transmit a TDLS data frame.
*
* \param[in] pvAdapter Pointer to the Adapter structure.
* \param[in]
* \param[in]
* \param[in] buf includes RSN IE + FT IE + Lifetimeout IE
*
* \retval WLAN_STATUS_SUCCESS
* \retval WLAN_STATUS_INVALID_LENGTH
*/
/*----------------------------------------------------------------------------*/
WLAN_STATUS			/* TDLS_STATUS */
TdlsDataFrameSend_SETUP_REQ(ADAPTER_T *prAdapter,
			    STA_RECORD_T *prStaRec,
			    UINT_8 *pPeerMac,
			    UINT_8 ucActionCode,
			    UINT_8 ucDialogToken, UINT_16 u2StatusCode, UINT_8 *pAppendIe, UINT_32 AppendIeLen)
{

	GLUE_INFO_T *prGlueInfo;
	BSS_INFO_T *prBssInfo;
	PM_PROFILE_SETUP_INFO_T *prPmProfSetupInfo;
	struct sk_buff *prMsduInfo;
	UINT_8 *pPkt;
	UINT_32 u4PktLen, u4IeLen;
	BOOLEAN fg40mAllowed;
	UINT_16 u2CapInfo;

	/* allocate/init packet */
	prGlueInfo = (GLUE_INFO_T *) prAdapter->prGlueInfo;
	prBssInfo = prAdapter->prAisBssInfo;	/* AIS only */

	prPmProfSetupInfo = &prBssInfo->rPmProfSetupInfo;
	u4PktLen = 0;

	prMsduInfo = kalPacketAllocWithHeadroom(prGlueInfo, 1600, &pPkt);
	if (prMsduInfo == NULL)
		return TDLS_STATUS_RESOURCES;

	prMsduInfo->dev = prGlueInfo->prDevHandler;
	if (prMsduInfo->dev == NULL) {
		kalPacketFree(prGlueInfo, prMsduInfo);
		return TDLS_STATUS_FAIL;
	}

	/* make up frame content */
	/* 1. 802.3 header */
	kalMemCopy(pPkt, pPeerMac, TDLS_FME_MAC_ADDR_LEN);
	pPkt += TDLS_FME_MAC_ADDR_LEN;
	kalMemCopy(pPkt, prAdapter->rMyMacAddr, TDLS_FME_MAC_ADDR_LEN);
	pPkt += TDLS_FME_MAC_ADDR_LEN;
	*(UINT_16 *) pPkt = htons(TDLS_FRM_PROT_TYPE);
	pPkt += 2;
	u4PktLen += TDLS_FME_MAC_ADDR_LEN * 2 + 2;

	/* 2. payload type */
	*pPkt = TDLS_FRM_PAYLOAD_TYPE;
	pPkt++;
	u4PktLen++;

	/* 3. Frame Formation - (1) Category */
	*pPkt = TDLS_FRM_CATEGORY;
	pPkt++;
	u4PktLen++;

	/* 3. Frame Formation - (2) Action */
	*pPkt = ucActionCode;
	pPkt++;
	u4PktLen++;

	/* 3. Frame Formation - (3) Dialog token */
	*pPkt = ucDialogToken;
	pPkt++;
	u4PktLen++;

	/* 3. Frame Formation - (4) Capability */
	u2CapInfo = assocBuildCapabilityInfo(prAdapter, prStaRec);
	WLAN_SET_FIELD_16(pPkt, u2CapInfo);
	pPkt = pPkt + 2;
	u4PktLen = u4PktLen + 2;

	/* 4. Append general IEs */
	u4IeLen = TdlsFrameGeneralIeAppend(prAdapter, prStaRec, pPkt);
	pPkt += u4IeLen;
	u4PktLen += u4IeLen;

	/* 4. Append extra IEs */
	kalMemCopy(pPkt, pAppendIe, AppendIeLen);
	pPkt += AppendIeLen;
	u4PktLen += AppendIeLen;

	/* 3. Frame Formation - (10) Extended capabilities element */
	EXT_CAP_IE(pPkt)->ucId = ELEM_ID_EXTENDED_CAP;
	EXT_CAP_IE(pPkt)->ucLength = 5;
/* 0320 !! */
	EXT_CAP_IE(pPkt)->aucCapabilities[0] = 0x00;	/* bit0 ~ bit7 */
	EXT_CAP_IE(pPkt)->aucCapabilities[1] = 0x00;	/* bit8 ~ bit15 */
	EXT_CAP_IE(pPkt)->aucCapabilities[2] = 0x00;	/* bit16 ~ bit23 */
	EXT_CAP_IE(pPkt)->aucCapabilities[3] = 0x00;	/* bit24 ~ bit31 */
	EXT_CAP_IE(pPkt)->aucCapabilities[4] = 0xFF;	/* bit32 ~ bit39 */

	EXT_CAP_IE(pPkt)->aucCapabilities[3] |= BIT((28 - 24));
	EXT_CAP_IE(pPkt)->aucCapabilities[3] |= BIT((30 - 24));
	EXT_CAP_IE(pPkt)->aucCapabilities[4] |= BIT((37 - 32));

	/* EXT_CAP_IE(pPkt)->aucCapabilities[3] = 0x00; *//* bit24 ~ bit31 */

	u4IeLen = IE_SIZE(pPkt);
	pPkt += u4IeLen;
	u4PktLen += u4IeLen;

	/* HT capability IE append 0122 */
	HT_CAP_IE(pPkt)->ucId = ELEM_ID_HT_CAP;
	HT_CAP_IE(pPkt)->ucLength = 26;

	/* 3. Frame Formation - (14) HT capabilities element */
	if ((prAdapter->rWifiVar.ucAvailablePhyTypeSet & PHY_TYPE_SET_802_11N)) {
		/* TODO: prAdapter->rWifiVar.rConnSettings.uc5GBandwidthMode */
		if (cnmBss40mBwPermitted(prAdapter, prBssInfo->ucBssIndex))
			fg40mAllowed = TRUE;
		else
			fg40mAllowed = FALSE;

		/* Add HT IE *//* try to reuse p2p path */
		u4IeLen = rlmFillHtCapIEByAdapter(prAdapter, prBssInfo, pPkt);
		pPkt += u4IeLen;
		u4PktLen += u4IeLen;
		/* 0320 !! check newest driver !!! */
	}
/* check */

	/* 3. Frame Formation - (12) Timeout interval element (TPK Key Lifetime) */
	TIMEOUT_INTERVAL_IE(pPkt)->ucId = ELEM_ID_TIMEOUT_INTERVAL;
	TIMEOUT_INTERVAL_IE(pPkt)->ucLength = 5;

	TIMEOUT_INTERVAL_IE(pPkt)->ucType = 2;	/* IE_TIMEOUT_INTERVAL_TYPE_KEY_LIFETIME; */
	TIMEOUT_INTERVAL_IE(pPkt)->u4Value = TDLS_KEY_TIMEOUT_INTERVAL;	/* htonl(prCmd->u4Timeout); */

	u4IeLen = IE_SIZE(pPkt);
	pPkt += u4IeLen;
	u4PktLen += u4IeLen;

	if (ucActionCode != TDLS_FRM_ACTION_TEARDOWN) {
		/*
		 *  bit0 = 1: The Information Request field is used to indicate that a
		 *  transmitting STA is requesting the recipient to transmit a 20/40 BSS
		 *  Coexistence Management frame with the transmitting STA as the
		 *  recipient.
		 *  bit1 = 0: The Forty MHz Intolerant field is set to 1 to prohibit an AP
		 *  that receives this information or reports of this information from
		 *  operating a 20/40 MHz BSS.
		 *  bit2 = 0: The 20 MHz BSS Width Request field is set to 1 to prohibit
		 *  a receiving AP from operating its BSS as a 20/40 MHz BSS.
		 */
		BSS_20_40_COEXIST_IE(pPkt)->ucId = ELEM_ID_20_40_BSS_COEXISTENCE;
		BSS_20_40_COEXIST_IE(pPkt)->ucLength = 1;
		BSS_20_40_COEXIST_IE(pPkt)->ucData = 0x01;
		LR_TDLS_FME_FIELD_FILL(3);
	}

	if (pAppendIe != NULL) {
		if ((ucActionCode != TDLS_FRM_ACTION_TEARDOWN) ||
		    ((ucActionCode == TDLS_FRM_ACTION_TEARDOWN) && (prStaRec != NULL))) {
			kalMemCopy(pPkt, pAppendIe, AppendIeLen);
			LR_TDLS_FME_FIELD_FILL(AppendIeLen);
		}
	}

	/* 7. Append Supported Operating Classes IE */
	if (ucActionCode != TDLS_FRM_ACTION_TEARDOWN) {
		/* Note: if we do not put the IE, Marvell STA will decline our TDLS setup request */
		u4IeLen = rlmDomainSupOperatingClassIeFill(pPkt);
		LR_TDLS_FME_FIELD_FILL(u4IeLen);
	}

	/* 3. Frame Formation - (16) Link identifier element */
	TDLS_LINK_IDENTIFIER_IE(pPkt)->ucId = ELEM_ID_LINK_IDENTIFIER;
	TDLS_LINK_IDENTIFIER_IE(pPkt)->ucLength = 18;

	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aBSSID, prBssInfo->aucBSSID, 6);
	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aInitiator, prAdapter->rMyMacAddr, 6);
	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aResponder, pPeerMac, 6);

	u4IeLen = IE_SIZE(pPkt);
	pPkt += u4IeLen;
	u4PktLen += u4IeLen;

	/* 3. Frame Formation - (17) WMM Information element */

	/* HT WMM IE append */
	if (IS_FEATURE_ENABLED(prAdapter->rWifiVar.ucQoS)) {

		/* Add WMM IE *//* try to reuse p2p path */
		u4IeLen = mqmGenerateWmmInfoIEByStaRec(prAdapter, prBssInfo, prStaRec, pPkt);
		pPkt += u4IeLen;
		u4PktLen += u4IeLen;
	}

	if (IS_FEATURE_ENABLED(prAdapter->rWifiVar.ucQoS)) {
		u4IeLen = mqmGenerateWmmParamIEByParam(prAdapter, prBssInfo, pPkt);

		LR_TDLS_FME_FIELD_FILL(u4IeLen);
	}
#if CFG_SUPPORT_802_11AC
	if (prAdapter->rWifiVar.ucAvailablePhyTypeSet & PHY_TYPE_SET_802_11AC) {
		/* Add VHT IE *//* try to reuse p2p path */
		u4IeLen = rlmFillVhtCapIEByAdapter(prAdapter, prBssInfo, pPkt);
		pPkt += u4IeLen;
		u4PktLen += u4IeLen;
	}
#endif

	/* 5. Update packet length */
	prMsduInfo->len = u4PktLen;

	DBGLOG(TDLS, INFO, "\n\n\n  wlanHardStartXmit\n\n\n");

	/* 5. send the data frame */
	wlanHardStartXmit(prMsduInfo, prMsduInfo->dev);
	/* wlanTx ??? */
	return TDLS_STATUS_SUCCESS;
}

WLAN_STATUS
TdlsDataFrameSend_SETUP_RSP(ADAPTER_T *prAdapter,
			    STA_RECORD_T *prStaRec,
			    UINT_8 *pPeerMac,
			    UINT_8 ucActionCode,
			    UINT_8 ucDialogToken, UINT_16 u2StatusCode, UINT_8 *pAppendIe, UINT_32 AppendIeLen)
{

	GLUE_INFO_T *prGlueInfo;
	BSS_INFO_T *prBssInfo;
	PM_PROFILE_SETUP_INFO_T *prPmProfSetupInfo;
	struct sk_buff *prMsduInfo;
	UINT_8 *pPkt;
	UINT_32 u4PktLen, u4IeLen;
	UINT_16 u2CapInfo;
	UINT_16 StatusCode;
	BOOLEAN fg40mAllowed;

	/* allocate/init packet */
	prGlueInfo = (GLUE_INFO_T *) prAdapter->prGlueInfo;
	prBssInfo = prAdapter->prAisBssInfo;	/* AIS only */
	prPmProfSetupInfo = &prBssInfo->rPmProfSetupInfo;
	u4PktLen = 0;

	prMsduInfo = kalPacketAllocWithHeadroom(prGlueInfo, 1600, &pPkt);
	if (prMsduInfo == NULL)
		return TDLS_STATUS_RESOURCES;

	prMsduInfo->dev = prGlueInfo->prDevHandler;
	if (prMsduInfo->dev == NULL) {
		kalPacketFree(prGlueInfo, prMsduInfo);
		return TDLS_STATUS_FAIL;
	}

	/* make up frame content */
	/* 1. 802.3 header */
	kalMemCopy(pPkt, pPeerMac, TDLS_FME_MAC_ADDR_LEN);
	pPkt += TDLS_FME_MAC_ADDR_LEN;
	kalMemCopy(pPkt, prAdapter->rMyMacAddr, TDLS_FME_MAC_ADDR_LEN);
	pPkt += TDLS_FME_MAC_ADDR_LEN;
	*(UINT_16 *) pPkt = htons(TDLS_FRM_PROT_TYPE);
	pPkt += 2;
	u4PktLen += TDLS_FME_MAC_ADDR_LEN * 2 + 2;

	/* 2. payload type */
	*pPkt = TDLS_FRM_PAYLOAD_TYPE;
	pPkt++;
	u4PktLen++;

	/* 3. Frame Formation - (1) Category */
	*pPkt = TDLS_FRM_CATEGORY;
	pPkt++;
	u4PktLen++;

	/* 3. Frame Formation - (2) Action */
	*pPkt = ucActionCode;
	pPkt++;
	u4PktLen++;

	/* 3. Frame Formation - status code */
	StatusCode = u2StatusCode;
	kalMemCopy(pPkt, &StatusCode, 2);
	pPkt = pPkt + 2;
	u4PktLen = u4PktLen + 2;

	/* 3. Frame Formation - (3) Dialog token */
	*pPkt = ucDialogToken;
	pPkt++;
	u4PktLen++;

	/* 3. Frame Formation - (4) Capability */
	u2CapInfo = assocBuildCapabilityInfo(prAdapter, prStaRec);
	WLAN_SET_FIELD_16(pPkt, u2CapInfo);
	pPkt = pPkt + 2;
	u4PktLen = u4PktLen + 2;

	/* 4. Append general IEs */
	u4IeLen = TdlsFrameGeneralIeAppend(prAdapter, prStaRec, pPkt);
	pPkt += u4IeLen;
	u4PktLen += u4IeLen;

	/* 4. Append extra IEs */
	kalMemCopy(pPkt, pAppendIe, AppendIeLen);
	pPkt += AppendIeLen;
	u4PktLen += AppendIeLen;

	/* 3. Frame Formation - (10) Extended capabilities element */
	EXT_CAP_IE(pPkt)->ucId = ELEM_ID_EXTENDED_CAP;
	EXT_CAP_IE(pPkt)->ucLength = 5;

	EXT_CAP_IE(pPkt)->aucCapabilities[0] = 0x00;	/* bit0 ~ bit7 */
	EXT_CAP_IE(pPkt)->aucCapabilities[1] = 0x00;	/* bit8 ~ bit15 */
	EXT_CAP_IE(pPkt)->aucCapabilities[2] = 0x00;	/* bit16 ~ bit23 */
	EXT_CAP_IE(pPkt)->aucCapabilities[3] = 0x00;	/* bit24 ~ bit31 */
	EXT_CAP_IE(pPkt)->aucCapabilities[4] = 0xFF;	/* bit32 ~ bit39 */

	EXT_CAP_IE(pPkt)->aucCapabilities[3] |= BIT((28 - 24));

	EXT_CAP_IE(pPkt)->aucCapabilities[3] |= BIT((30 - 24));
	EXT_CAP_IE(pPkt)->aucCapabilities[4] |= BIT((37 - 32));
	/* EXT_CAP_IE(pPkt)->aucCapabilities[3] = 0x00; *//* bit24 ~ bit31 */
	u4IeLen = IE_SIZE(pPkt);
	pPkt += u4IeLen;
	u4PktLen += u4IeLen;

	/* HT capability IE append */
	HT_CAP_IE(pPkt)->ucId = ELEM_ID_HT_CAP;
	HT_CAP_IE(pPkt)->ucLength = 26;

	/* 3. Frame Formation - (14) HT capabilities element */
	if ((prAdapter->rWifiVar.ucAvailablePhyTypeSet & PHY_TYPE_SET_802_11N)) {
		/* TODO: prAdapter->rWifiVar.rConnSettings.uc5GBandwidthMode */
		if (cnmBss40mBwPermitted(prAdapter, prBssInfo->ucBssIndex))
			fg40mAllowed = TRUE;
		else
			fg40mAllowed = FALSE;

		/* Add HT IE *//* try to reuse p2p path */
		u4IeLen = rlmFillHtCapIEByAdapter(prAdapter, prBssInfo, pPkt);
		pPkt += u4IeLen;
		u4PktLen += u4IeLen;
	}

	/* 3. Frame Formation - (12) Timeout interval element (TPK Key Lifetime) */
	TIMEOUT_INTERVAL_IE(pPkt)->ucId = ELEM_ID_TIMEOUT_INTERVAL;
	TIMEOUT_INTERVAL_IE(pPkt)->ucLength = 5;
	TIMEOUT_INTERVAL_IE(pPkt)->ucType = 2;	/* IE_TIMEOUT_INTERVAL_TYPE_KEY_LIFETIME; */
	TIMEOUT_INTERVAL_IE(pPkt)->u4Value = TDLS_KEY_TIMEOUT_INTERVAL;	/* htonl(prCmd->u4Timeout); */

	u4IeLen = IE_SIZE(pPkt);
	pPkt += u4IeLen;
	u4PktLen += u4IeLen;

	if (ucActionCode != TDLS_FRM_ACTION_TEARDOWN) {
		/*
		 *  bit0 = 1: The Information Request field is used to indicate that a
		 *  transmitting STA is requesting the recipient to transmit a 20/40 BSS
		 *  Coexistence Management frame with the transmitting STA as the
		 *  recipient.
		 *  bit1 = 0: The Forty MHz Intolerant field is set to 1 to prohibit an AP
		 *  that receives this information or reports of this information from
		 *  operating a 20/40 MHz BSS.
		 *  bit2 = 0: The 20 MHz BSS Width Request field is set to 1 to prohibit
		 *  a receiving AP from operating its BSS as a 20/40 MHz BSS.
		 */
		BSS_20_40_COEXIST_IE(pPkt)->ucId = ELEM_ID_20_40_BSS_COEXISTENCE;
		BSS_20_40_COEXIST_IE(pPkt)->ucLength = 1;
		BSS_20_40_COEXIST_IE(pPkt)->ucData = 0x01;
		LR_TDLS_FME_FIELD_FILL(3);
	}

	if (pAppendIe != NULL) {
		if ((ucActionCode != TDLS_FRM_ACTION_TEARDOWN) ||
		    ((ucActionCode == TDLS_FRM_ACTION_TEARDOWN) && (prStaRec != NULL))) {
			kalMemCopy(pPkt, pAppendIe, AppendIeLen);
			LR_TDLS_FME_FIELD_FILL(AppendIeLen);
		}
	}

	/* 7. Append Supported Operating Classes IE */
	if (ucActionCode != TDLS_FRM_ACTION_TEARDOWN) {
		/* Note: if we do not put the IE, Marvell STA will decline our TDLS setup request */
		u4IeLen = rlmDomainSupOperatingClassIeFill(pPkt);
		LR_TDLS_FME_FIELD_FILL(u4IeLen);
	}

	/* 3. Frame Formation - (16) Link identifier element */
	TDLS_LINK_IDENTIFIER_IE(pPkt)->ucId = ELEM_ID_LINK_IDENTIFIER;
	TDLS_LINK_IDENTIFIER_IE(pPkt)->ucLength = 18;

	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aBSSID, prBssInfo->aucBSSID, 6);
	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aInitiator, pPeerMac, 6);	/* prAdapter->rMyMacAddr */
	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aResponder, prAdapter->rMyMacAddr, 6);	/* pPeerMac */

	u4IeLen = IE_SIZE(pPkt);
	pPkt += u4IeLen;
	u4PktLen += u4IeLen;

	/* HT WMM IE append */
	/* HT WMM IE append */
	if (IS_FEATURE_ENABLED(prAdapter->rWifiVar.ucQoS)) {

		/* Add WMM IE *//* try to reuse p2p path */
		u4IeLen = mqmGenerateWmmInfoIEByStaRec(prAdapter, prBssInfo, prStaRec, pPkt);
		pPkt += u4IeLen;
		u4PktLen += u4IeLen;
	}

	if (IS_FEATURE_ENABLED(prAdapter->rWifiVar.ucQoS)) {
		u4IeLen = mqmGenerateWmmParamIEByParam(prAdapter, prBssInfo, pPkt);

		LR_TDLS_FME_FIELD_FILL(u4IeLen);
	}
#if CFG_SUPPORT_802_11AC
	if (prAdapter->rWifiVar.ucAvailablePhyTypeSet & PHY_TYPE_SET_802_11AC) {
		/* Add VHT IE *//* try to reuse p2p path */
		u4IeLen = rlmFillVhtCapIEByAdapter(prAdapter, prBssInfo, pPkt);
		pPkt += u4IeLen;
		u4PktLen += u4IeLen;
	}
#endif

	/* 5. Update packet length */
	prMsduInfo->len = u4PktLen;

	/* 5. send the data frame */
	wlanHardStartXmit(prMsduInfo, prMsduInfo->dev);

	return TDLS_STATUS_SUCCESS;
}

WLAN_STATUS
TdlsDataFrameSend_CONFIRM(ADAPTER_T *prAdapter,
			  STA_RECORD_T *prStaRec,
			  UINT_8 *pPeerMac,
			  UINT_8 ucActionCode,
			  UINT_8 ucDialogToken, UINT_16 u2StatusCode, UINT_8 *pAppendIe, UINT_32 AppendIeLen)
{

	GLUE_INFO_T *prGlueInfo;
	BSS_INFO_T *prBssInfo;
	PM_PROFILE_SETUP_INFO_T *prPmProfSetupInfo;
	struct sk_buff *prMsduInfo;
	UINT_8 *pPkt;
	UINT_32 u4PktLen, u4IeLen;
	UINT_16 StatusCode;

	/* allocate/init packet */
	prGlueInfo = (GLUE_INFO_T *) prAdapter->prGlueInfo;
	prBssInfo = prAdapter->prAisBssInfo;	/* AIS only */

	prPmProfSetupInfo = &prBssInfo->rPmProfSetupInfo;
	u4PktLen = 0;

	prMsduInfo = kalPacketAllocWithHeadroom(prGlueInfo, 1600, &pPkt);
	if (prMsduInfo == NULL)
		return TDLS_STATUS_RESOURCES;

	prMsduInfo->dev = prGlueInfo->prDevHandler;
	if (prMsduInfo->dev == NULL) {
		kalPacketFree(prGlueInfo, prMsduInfo);
		return TDLS_STATUS_FAIL;
	}

	/* make up frame content */
	/* 1. 802.3 header */
	kalMemCopy(pPkt, pPeerMac, TDLS_FME_MAC_ADDR_LEN);
	pPkt += TDLS_FME_MAC_ADDR_LEN;
	kalMemCopy(pPkt, prAdapter->rMyMacAddr, TDLS_FME_MAC_ADDR_LEN);
	pPkt += TDLS_FME_MAC_ADDR_LEN;
	*(UINT_16 *) pPkt = htons(TDLS_FRM_PROT_TYPE);
	pPkt += 2;
	u4PktLen += TDLS_FME_MAC_ADDR_LEN * 2 + 2;

	/* 2. payload type */
	*pPkt = TDLS_FRM_PAYLOAD_TYPE;
	pPkt++;
	u4PktLen++;

	/* 3. Frame Formation - (1) Category */
	*pPkt = TDLS_FRM_CATEGORY;
	pPkt++;
	u4PktLen++;

	/* 3. Frame Formation - (2) Action */
	*pPkt = ucActionCode;
	pPkt++;
	u4PktLen++;

	/* 3. Frame Formation - status code */

	StatusCode = u2StatusCode;	/* 0;  //u2StatusCode;  //ahiu 0224 */
	kalMemCopy(pPkt, &StatusCode, 2);
	pPkt = pPkt + 2;
	u4PktLen = u4PktLen + 2;

	/* 3. Frame Formation - (3) Dialog token */
	*pPkt = ucDialogToken;
	pPkt++;
	u4PktLen++;

	/* 4. Append extra IEs */
	kalMemCopy(pPkt, pAppendIe, AppendIeLen);
	pPkt += AppendIeLen;
	u4PktLen += AppendIeLen;

	/* 3. Frame Formation - (12) Timeout interval element (TPK Key Lifetime) */
	TIMEOUT_INTERVAL_IE(pPkt)->ucId = ELEM_ID_TIMEOUT_INTERVAL;
	TIMEOUT_INTERVAL_IE(pPkt)->ucLength = 5;

	TIMEOUT_INTERVAL_IE(pPkt)->ucType = 2;
	TIMEOUT_INTERVAL_IE(pPkt)->u4Value = TDLS_KEY_TIMEOUT_INTERVAL;	/* htonl(prCmd->u4Timeout); */

	u4IeLen = IE_SIZE(pPkt);
	pPkt += u4IeLen;
	u4PktLen += u4IeLen;

	if (ucActionCode != TDLS_FRM_ACTION_TEARDOWN) {
		/*
		 *  bit0 = 1: The Information Request field is used to indicate that a
		 *  transmitting STA is requesting the recipient to transmit a 20/40 BSS
		 *  Coexistence Management frame with the transmitting STA as the
		 *  recipient.
		 *  bit1 = 0: The Forty MHz Intolerant field is set to 1 to prohibit an AP
		 *  that receives this information or reports of this information from
		 *  operating a 20/40 MHz BSS.
		 *  bit2 = 0: The 20 MHz BSS Width Request field is set to 1 to prohibit
		 *  a receiving AP from operating its BSS as a 20/40 MHz BSS.
		 */
		BSS_20_40_COEXIST_IE(pPkt)->ucId = ELEM_ID_20_40_BSS_COEXISTENCE;
		BSS_20_40_COEXIST_IE(pPkt)->ucLength = 1;
		BSS_20_40_COEXIST_IE(pPkt)->ucData = 0x01;
		LR_TDLS_FME_FIELD_FILL(3);
	}

	if (pAppendIe != NULL) {
		if ((ucActionCode != TDLS_FRM_ACTION_TEARDOWN) ||
		    ((ucActionCode == TDLS_FRM_ACTION_TEARDOWN) && (prStaRec != NULL))) {
			kalMemCopy(pPkt, pAppendIe, AppendIeLen);
			LR_TDLS_FME_FIELD_FILL(AppendIeLen);
		}
	}

	/* 7. Append Supported Operating Classes IE */
	if (ucActionCode != TDLS_FRM_ACTION_TEARDOWN) {
		/* Note: if we do not put the IE, Marvell STA will decline our TDLS setup request */
		u4IeLen = rlmDomainSupOperatingClassIeFill(pPkt);
		LR_TDLS_FME_FIELD_FILL(u4IeLen);
	}

	/* 3. Frame Formation - (16) Link identifier element */
	TDLS_LINK_IDENTIFIER_IE(pPkt)->ucId = ELEM_ID_LINK_IDENTIFIER;
	TDLS_LINK_IDENTIFIER_IE(pPkt)->ucLength = 18;

	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aBSSID, prBssInfo->aucBSSID, 6);
	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aInitiator, prAdapter->rMyMacAddr, 6);
	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aResponder, pPeerMac, 6);

	u4IeLen = IE_SIZE(pPkt);
	pPkt += u4IeLen;
	u4PktLen += u4IeLen;

	/* HT WMM IE append */
	if (IS_FEATURE_ENABLED(prAdapter->rWifiVar.ucQoS)) {

		/* Add WMM IE *//* try to reuse p2p path */
		u4IeLen = mqmGenerateWmmInfoIEByStaRec(prAdapter, prBssInfo, prStaRec, pPkt);
		pPkt += u4IeLen;
		u4PktLen += u4IeLen;
	}

	if (IS_FEATURE_ENABLED(prAdapter->rWifiVar.ucQoS)) {
		u4IeLen = mqmGenerateWmmParamIEByParam(prAdapter, prBssInfo, pPkt);

		LR_TDLS_FME_FIELD_FILL(u4IeLen);
	}

	/* 5. Update packet length */
	prMsduInfo->len = u4PktLen;

	/* 5. send the data frame */
	wlanHardStartXmit(prMsduInfo, prMsduInfo->dev);

	return TDLS_STATUS_SUCCESS;
}

/*
* \brief This routine is called to transmit a TDLS data frame.
*
* \param[in] pvAdapter Pointer to the Adapter structure.
* \param[in]
* \param[in]
* \param[in] buf includes RSN IE + FT IE + Lifetimeout IE
*
* \retval WLAN_STATUS_SUCCESS
* \retval WLAN_STATUS_INVALID_LENGTH
*/
/*----------------------------------------------------------------------------*/
WLAN_STATUS			/* TDLS_STATUS */
TdlsDataFrameSend_DISCOVERY_REQ(ADAPTER_T *prAdapter,
				STA_RECORD_T *prStaRec,
				UINT_8 *pPeerMac,
				UINT_8 ucActionCode,
				UINT_8 ucDialogToken, UINT_16 u2StatusCode, UINT_8 *pAppendIe, UINT_32 AppendIeLen)
{
	GLUE_INFO_T *prGlueInfo;
	BSS_INFO_T *prBssInfo;
	PM_PROFILE_SETUP_INFO_T *prPmProfSetupInfo;
	struct sk_buff *prMsduInfo;
	MSDU_INFO_T *prMsduInfoMgmt;
	UINT_8 *pPkt, *pucInitiator, *pucResponder;
	UINT_32 u4PktLen, u4IeLen;
	UINT_16 u2CapInfo;

	prGlueInfo = (GLUE_INFO_T *) prAdapter->prGlueInfo;

	if (prStaRec != NULL)
		prBssInfo = prAdapter->prAisBssInfo;	/* AIS only */
	else
		return TDLS_STATUS_FAIL;

	/* allocate/init packet */
	prPmProfSetupInfo = &prBssInfo->rPmProfSetupInfo;
	u4PktLen = 0;
	prMsduInfo = NULL;
	prMsduInfoMgmt = NULL;

	/* make up frame content */
	if (ucActionCode != TDLS_FRM_ACTION_DISCOVERY_RSP) {
		/* TODO: reduce 1600 to correct size */
		prMsduInfo = kalPacketAllocWithHeadroom(prGlueInfo, 1600, &pPkt);
		if (prMsduInfo == NULL)
			return TDLS_STATUS_RESOURCES;

		prMsduInfo->dev = prGlueInfo->prDevHandler;
		if (prMsduInfo->dev == NULL) {

			kalPacketFree(prGlueInfo, prMsduInfo);
			return TDLS_STATUS_FAIL;
		}

		/* 1. 802.3 header */
		kalMemCopy(pPkt, pPeerMac, TDLS_FME_MAC_ADDR_LEN);
		LR_TDLS_FME_FIELD_FILL(TDLS_FME_MAC_ADDR_LEN);
		kalMemCopy(pPkt, prBssInfo->aucOwnMacAddr, TDLS_FME_MAC_ADDR_LEN);
		LR_TDLS_FME_FIELD_FILL(TDLS_FME_MAC_ADDR_LEN);
		*(UINT_16 *) pPkt = htons(TDLS_FRM_PROT_TYPE);
		LR_TDLS_FME_FIELD_FILL(2);

		/* 2. payload type */
		*pPkt = TDLS_FRM_PAYLOAD_TYPE;
		LR_TDLS_FME_FIELD_FILL(1);

		/* 3. Frame Formation - (1) Category */
		*pPkt = TDLS_FRM_CATEGORY;
		LR_TDLS_FME_FIELD_FILL(1);
	} else {
		WLAN_MAC_HEADER_T *prHdr;

		prMsduInfoMgmt = (MSDU_INFO_T *)
		    cnmMgtPktAlloc(prAdapter, PUBLIC_ACTION_MAX_LEN);
		if (prMsduInfoMgmt == NULL)
			return TDLS_STATUS_RESOURCES;

		pPkt = (UINT_8 *) prMsduInfoMgmt->prPacket;
		prHdr = (WLAN_MAC_HEADER_T *) pPkt;

		/* 1. 802.11 header */
		prHdr->u2FrameCtrl = MAC_FRAME_ACTION;
		prHdr->u2DurationID = 0;
		kalMemCopy(prHdr->aucAddr1, pPeerMac, TDLS_FME_MAC_ADDR_LEN);
		kalMemCopy(prHdr->aucAddr2, prBssInfo->aucOwnMacAddr, TDLS_FME_MAC_ADDR_LEN);
		kalMemCopy(prHdr->aucAddr3, prBssInfo->aucBSSID, TDLS_FME_MAC_ADDR_LEN);
		prHdr->u2SeqCtrl = 0;
		LR_TDLS_FME_FIELD_FILL(sizeof(WLAN_MAC_HEADER_T));

		/* Frame Formation - (1) Category */
		*pPkt = CATEGORY_PUBLIC_ACTION;
		LR_TDLS_FME_FIELD_FILL(1);
	}

	/* 3. Frame Formation - (2) Action */
	*pPkt = ucActionCode;
	LR_TDLS_FME_FIELD_FILL(1);

	/* 3. Frame Formation - Status Code */
	switch (ucActionCode) {
	case TDLS_FRM_ACTION_SETUP_RSP:
	case TDLS_FRM_ACTION_CONFIRM:
	case TDLS_FRM_ACTION_TEARDOWN:
		WLAN_SET_FIELD_16(pPkt, u2StatusCode);
		LR_TDLS_FME_FIELD_FILL(2);
		break;
	}

	/* 3. Frame Formation - (3) Dialog token */
	if (ucActionCode != TDLS_FRM_ACTION_TEARDOWN) {
		*pPkt = ucDialogToken;
		LR_TDLS_FME_FIELD_FILL(1);
	}

	/* Fill elements */
	if (ucActionCode != TDLS_FRM_ACTION_TEARDOWN) {
		/*
		 *  Capability
		 *  Support Rates
		 *  Extended Support Rates
		 *  Supported Channels
		 *  HT Capabilities
		 *  WMM Information Element
		 *  Extended Capabilities
		 *  Link Identifier
		 *  RSNIE
		 *  FTIE
		 *  Timeout Interval
		 */
		if (ucActionCode != TDLS_FRM_ACTION_CONFIRM) {
			/* 3. Frame Formation - (4) Capability: 0x31 0x04, privacy bit will be set */
			u2CapInfo = assocBuildCapabilityInfo(prAdapter, prStaRec);
			WLAN_SET_FIELD_16(pPkt, u2CapInfo);
			LR_TDLS_FME_FIELD_FILL(2);

			/* 4. Append general IEs */
			/*
			 *  TODO check HT: prAdapter->rWifiVar.rConnSettings.uc2G4BandwidthMode
			 *  must be CONFIG_BW_20_40M.
			 *  TODO check HT: HT_CAP_INFO_40M_INTOLERANT must be clear if
			 *  Tdls 20/40 is enabled.
			 */
			u4IeLen = TdlsFrameGeneralIeAppend(prAdapter, prStaRec, pPkt);
			LR_TDLS_FME_FIELD_FILL(u4IeLen);

			/* 5. Frame Formation - Extended capabilities element */
			EXT_CAP_IE(pPkt)->ucId = ELEM_ID_EXTENDED_CAP;
			EXT_CAP_IE(pPkt)->ucLength = 5;

			EXT_CAP_IE(pPkt)->aucCapabilities[0] = 0x00;	/* bit0 ~ bit7 */
			EXT_CAP_IE(pPkt)->aucCapabilities[1] = 0x00;	/* bit8 ~ bit15 */
			EXT_CAP_IE(pPkt)->aucCapabilities[2] = 0x00;	/* bit16 ~ bit23 */
			EXT_CAP_IE(pPkt)->aucCapabilities[3] = 0x00;	/* bit24 ~ bit31 */
			EXT_CAP_IE(pPkt)->aucCapabilities[4] = 0x00;	/* bit32 ~ bit39 */

			/* if (prCmd->ucExCap & TDLS_EX_CAP_PEER_UAPSD) */
			EXT_CAP_IE(pPkt)->aucCapabilities[3] |= BIT((28 - 24));
			/* if (prCmd->ucExCap & TDLS_EX_CAP_CHAN_SWITCH) */
			EXT_CAP_IE(pPkt)->aucCapabilities[3] |= BIT((30 - 24));
			/* if (prCmd->ucExCap & TDLS_EX_CAP_TDLS) */
			EXT_CAP_IE(pPkt)->aucCapabilities[4] |= BIT((37 - 32));

			u4IeLen = IE_SIZE(pPkt);
			LR_TDLS_FME_FIELD_FILL(u4IeLen);
		} else {
			/* 5. Frame Formation - WMM Information element */
			if (IS_FEATURE_ENABLED(prAdapter->rWifiVar.ucQoS)) {

				/* Add WMM IE *//* try to reuse p2p path */
				u4IeLen = mqmGenerateWmmInfoIEByStaRec(prAdapter, prBssInfo, prStaRec, pPkt);
				pPkt += u4IeLen;
				u4PktLen += u4IeLen;
			}

		}
	}

	/* 6. Frame Formation - 20/40 BSS Coexistence */
	/*
	 *  Follow WiFi test plan, add 20/40 element to request/response/confirm.
	 */
#if 0
	if (prGlueInfo->fgTdlsIs2040Supported == TRUE) {
		/*
		 *  bit0 = 1: The Information Request field is used to indicate that a
		 *  transmitting STA is requesting the recipient to transmit a 20/40 BSS
		 *  Coexistence Management frame with the transmitting STA as the
		 *  recipient.
		 *  bit1 = 0: The Forty MHz Intolerant field is set to 1 to prohibit an AP
		 *  that receives this information or reports of this information from
		 *  operating a 20/40 MHz BSS.
		 *  bit2 = 0: The 20 MHz BSS Width Request field is set to 1 to prohibit
		 *  a receiving AP from operating its BSS as a 20/40 MHz BSS.
		 */
		BSS_20_40_COEXIST_IE(pPkt)->ucId = ELEM_ID_20_40_BSS_COEXISTENCE;
		BSS_20_40_COEXIST_IE(pPkt)->ucLength = 1;
		BSS_20_40_COEXIST_IE(pPkt)->ucData = 0x01;
		LR_TDLS_FME_FIELD_FILL(3);
	}
#endif
	/* 6. Frame Formation - HT Operation element */
	/* u4IeLen = rlmFillHtOpIeBody(prBssInfo, pPkt); */
	/* LR_TDLS_FME_FIELD_FILL(u4IeLen); */

	/* 7. Frame Formation - Link identifier element */
	/* Note: Link ID sequence must be correct; Or the calculated MIC will be error */
	TDLS_LINK_IDENTIFIER_IE(pPkt)->ucId = ELEM_ID_LINK_IDENTIFIER;
	TDLS_LINK_IDENTIFIER_IE(pPkt)->ucLength = 18;

	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aBSSID, prBssInfo->aucBSSID, 6);

	switch (ucActionCode) {
	case TDLS_FRM_ACTION_SETUP_REQ:
	case TDLS_FRM_ACTION_CONFIRM:
	case TDLS_FRM_ACTION_DISCOVERY_RSP:
	default:
		/* we are initiator */
		pucInitiator = prBssInfo->aucOwnMacAddr;
		pucResponder = pPeerMac;

		if (prStaRec != NULL)
			prStaRec->flgTdlsIsInitiator = TRUE;
		break;

	case TDLS_FRM_ACTION_SETUP_RSP:
		/* peer is initiator */
		pucInitiator = pPeerMac;
		pucResponder = prBssInfo->aucOwnMacAddr;

		if (prStaRec != NULL)
			prStaRec->flgTdlsIsInitiator = FALSE;
		break;

	case TDLS_FRM_ACTION_TEARDOWN:
		if (prStaRec != NULL) {
			if (prStaRec->flgTdlsIsInitiator == TRUE) {
				/* we are initiator */
				pucInitiator = prBssInfo->aucOwnMacAddr;
				pucResponder = pPeerMac;
			} else {
				/* peer is initiator */
				pucInitiator = pPeerMac;
				pucResponder = prBssInfo->aucOwnMacAddr;
			}
		} else {
			/* peer is initiator */
			pucInitiator = pPeerMac;
			pucResponder = prBssInfo->aucOwnMacAddr;
		}
		break;
	}

	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aInitiator, pucInitiator, 6);
	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aResponder, pucResponder, 6);

	u4IeLen = IE_SIZE(pPkt);
	LR_TDLS_FME_FIELD_FILL(u4IeLen);

	/* 8. Append security IEs */
	if ((ucActionCode != TDLS_FRM_ACTION_TEARDOWN) && (pAppendIe != NULL)) {
		kalMemCopy(pPkt, pAppendIe, AppendIeLen);
		LR_TDLS_FME_FIELD_FILL(AppendIeLen);
	}

	/* 10. send the data or management frame */
	if (ucActionCode != TDLS_FRM_ACTION_DISCOVERY_RSP) {
		/* 9. Update packet length */
		prMsduInfo->len = u4PktLen;

		wlanHardStartXmit(prMsduInfo, prMsduInfo->dev);
	} else {
		prMsduInfoMgmt->ucPacketType = TX_PACKET_TYPE_MGMT;
		prMsduInfoMgmt->ucStaRecIndex = prBssInfo->prStaRecOfAP->ucIndex;
		prMsduInfoMgmt->ucBssIndex = prBssInfo->ucBssIndex;
		prMsduInfoMgmt->ucMacHeaderLength = WLAN_MAC_MGMT_HEADER_LEN;
		prMsduInfoMgmt->fgIs802_1x = FALSE;
		prMsduInfoMgmt->fgIs802_11 = TRUE;
		prMsduInfoMgmt->u2FrameLength = u4PktLen;
		prMsduInfoMgmt->ucTxSeqNum = nicIncreaseTxSeqNum(prAdapter);
		prMsduInfoMgmt->pfTxDoneHandler = NULL;

		/* Send them to HW queue */
		nicTxEnqueueMsdu(prAdapter, prMsduInfoMgmt);
	}

	return TDLS_STATUS_SUCCESS;
}

WLAN_STATUS
TdlsDataFrameSend_DISCOVERY_RSP(ADAPTER_T *prAdapter,
				STA_RECORD_T *prStaRec,
				UINT_8 *pPeerMac,
				UINT_8 ucActionCode,
				UINT_8 ucDialogToken, UINT_16 u2StatusCode, UINT_8 *pAppendIe, UINT_32 AppendIeLen)
{
	GLUE_INFO_T *prGlueInfo;
	BSS_INFO_T *prBssInfo;
	PM_PROFILE_SETUP_INFO_T *prPmProfSetupInfo;
	struct sk_buff *prMsduInfo;
	MSDU_INFO_T *prMsduInfoMgmt;
	UINT_8 *pPkt, *pucInitiator, *pucResponder;
	UINT_32 u4PktLen, u4IeLen;
	UINT_16 u2CapInfo;

	prGlueInfo = (GLUE_INFO_T *) prAdapter->prGlueInfo;

	/* sanity check */
	if (prStaRec != NULL)
		prBssInfo = prAdapter->prAisBssInfo;	/* AIS only */
	else
		return TDLS_STATUS_FAIL;

	/* allocate/init packet */
	prPmProfSetupInfo = &prBssInfo->rPmProfSetupInfo;
	u4PktLen = 0;
	prMsduInfo = NULL;
	prMsduInfoMgmt = NULL;

	/* make up frame content */
	if (ucActionCode != TDLS_FRM_ACTION_DISCOVERY_RSP) {
		/* TODO: reduce 1600 to correct size */
		prMsduInfo = kalPacketAllocWithHeadroom(prGlueInfo, 1600, &pPkt);
		if (prMsduInfo == NULL)
			return TDLS_STATUS_RESOURCES;

		prMsduInfo->dev = prGlueInfo->prDevHandler;
		if (prMsduInfo->dev == NULL) {

			kalPacketFree(prGlueInfo, prMsduInfo);
			return TDLS_STATUS_FAIL;
		}

		/* 1. 802.3 header */
		kalMemCopy(pPkt, pPeerMac, TDLS_FME_MAC_ADDR_LEN);
		LR_TDLS_FME_FIELD_FILL(TDLS_FME_MAC_ADDR_LEN);
		kalMemCopy(pPkt, prBssInfo->aucOwnMacAddr, TDLS_FME_MAC_ADDR_LEN);
		LR_TDLS_FME_FIELD_FILL(TDLS_FME_MAC_ADDR_LEN);
		*(UINT_16 *) pPkt = htons(TDLS_FRM_PROT_TYPE);
		LR_TDLS_FME_FIELD_FILL(2);

		/* 2. payload type */
		*pPkt = TDLS_FRM_PAYLOAD_TYPE;
		LR_TDLS_FME_FIELD_FILL(1);

		/* 3. Frame Formation - (1) Category */
		*pPkt = TDLS_FRM_CATEGORY;
		LR_TDLS_FME_FIELD_FILL(1);
	} else {
		WLAN_MAC_HEADER_T *prHdr;

		prMsduInfoMgmt = (MSDU_INFO_T *)
		    cnmMgtPktAlloc(prAdapter, PUBLIC_ACTION_MAX_LEN);
		if (prMsduInfoMgmt == NULL)
			return TDLS_STATUS_RESOURCES;

		pPkt = (UINT_8 *) prMsduInfoMgmt->prPacket;
		prHdr = (WLAN_MAC_HEADER_T *) pPkt;

		/* 1. 802.11 header */
		prHdr->u2FrameCtrl = MAC_FRAME_ACTION;
		prHdr->u2DurationID = 0;
		kalMemCopy(prHdr->aucAddr1, pPeerMac, TDLS_FME_MAC_ADDR_LEN);
		kalMemCopy(prHdr->aucAddr2, prBssInfo->aucOwnMacAddr, TDLS_FME_MAC_ADDR_LEN);
		kalMemCopy(prHdr->aucAddr3, prBssInfo->aucBSSID, TDLS_FME_MAC_ADDR_LEN);
		prHdr->u2SeqCtrl = 0;
		LR_TDLS_FME_FIELD_FILL(sizeof(WLAN_MAC_HEADER_T));

		/* Frame Formation - (1) Category */
		*pPkt = CATEGORY_PUBLIC_ACTION;
		LR_TDLS_FME_FIELD_FILL(1);
	}

	/* 3. Frame Formation - (2) Action */
	*pPkt = ucActionCode;
	LR_TDLS_FME_FIELD_FILL(1);

	/* 3. Frame Formation - Status Code */
	switch (ucActionCode) {
	case TDLS_FRM_ACTION_SETUP_RSP:
	case TDLS_FRM_ACTION_CONFIRM:
	case TDLS_FRM_ACTION_TEARDOWN:
		WLAN_SET_FIELD_16(pPkt, u2StatusCode);
		LR_TDLS_FME_FIELD_FILL(2);
		break;
	}

	/* 3. Frame Formation - (3) Dialog token */
	if (ucActionCode != TDLS_FRM_ACTION_TEARDOWN) {
		*pPkt = ucDialogToken;
		LR_TDLS_FME_FIELD_FILL(1);
	}

	/* Fill elements */
	if (ucActionCode != TDLS_FRM_ACTION_TEARDOWN) {
		/*
		 *  Capability
		 *  Support Rates
		 *  Extended Support Rates
		 *  Supported Channels
		 *  HT Capabilities
		 *  WMM Information Element
		 *  Extended Capabilities
		 *  Link Identifier
		 *  RSNIE
		 *  FTIE
		 *  Timeout Interval
		 */
		if (ucActionCode != TDLS_FRM_ACTION_CONFIRM) {
			/* 3. Frame Formation - (4) Capability: 0x31 0x04, privacy bit will be set */
			u2CapInfo = assocBuildCapabilityInfo(prAdapter, prStaRec);
			WLAN_SET_FIELD_16(pPkt, u2CapInfo);
			LR_TDLS_FME_FIELD_FILL(2);

			/* 4. Append general IEs */
			/*
			 *  TODO check HT: prAdapter->rWifiVar.rConnSettings.uc2G4BandwidthMode
			 *  must be CONFIG_BW_20_40M.
			 *  TODO check HT: HT_CAP_INFO_40M_INTOLERANT must be clear if
			 *  Tdls 20/40 is enabled.
			 */
			u4IeLen = TdlsFrameGeneralIeAppend(prAdapter, prStaRec, pPkt);
			LR_TDLS_FME_FIELD_FILL(u4IeLen);

			/* 5. Frame Formation - Extended capabilities element */
			EXT_CAP_IE(pPkt)->ucId = ELEM_ID_EXTENDED_CAP;
			EXT_CAP_IE(pPkt)->ucLength = 5;

			EXT_CAP_IE(pPkt)->aucCapabilities[0] = 0x00;	/* bit0 ~ bit7 */
			EXT_CAP_IE(pPkt)->aucCapabilities[1] = 0x00;	/* bit8 ~ bit15 */
			EXT_CAP_IE(pPkt)->aucCapabilities[2] = 0x00;	/* bit16 ~ bit23 */
			EXT_CAP_IE(pPkt)->aucCapabilities[3] = 0x00;	/* bit24 ~ bit31 */
			EXT_CAP_IE(pPkt)->aucCapabilities[4] = 0x00;	/* bit32 ~ bit39 */

			/* if (prCmd->ucExCap & TDLS_EX_CAP_PEER_UAPSD) */
			EXT_CAP_IE(pPkt)->aucCapabilities[3] |= BIT((28 - 24));
			/* if (prCmd->ucExCap & TDLS_EX_CAP_CHAN_SWITCH) */
			EXT_CAP_IE(pPkt)->aucCapabilities[3] |= BIT((30 - 24));
			/* if (prCmd->ucExCap & TDLS_EX_CAP_TDLS) */
			EXT_CAP_IE(pPkt)->aucCapabilities[4] |= BIT((37 - 32));

			u4IeLen = IE_SIZE(pPkt);
			LR_TDLS_FME_FIELD_FILL(u4IeLen);
		} else {
			/* 5. Frame Formation - WMM Information element */
			if (IS_FEATURE_ENABLED(prAdapter->rWifiVar.ucQoS)) {

				/* Add WMM IE *//* try to reuse p2p path */
				u4IeLen = mqmGenerateWmmInfoIEByStaRec(prAdapter, prBssInfo, prStaRec, pPkt);
				pPkt += u4IeLen;
				u4PktLen += u4IeLen;
			}

		}
	}

	/* 6. Frame Formation - 20/40 BSS Coexistence */
	/*
	 * Follow WiFi test plan, add 20/40 element to request/response/confirm.
	 */
#if 0
	if (prGlueInfo->fgTdlsIs2040Supported == TRUE) {
		/*
		 *  bit0 = 1: The Information Request field is used to indicate that a
		 *  transmitting STA is requesting the recipient to transmit a 20/40 BSS
		 *  Coexistence Management frame with the transmitting STA as the
		 *  recipient.
		 *  bit1 = 0: The Forty MHz Intolerant field is set to 1 to prohibit an AP
		 *  that receives this information or reports of this information from
		 *  operating a 20/40 MHz BSS.
		 *  bit2 = 0: The 20 MHz BSS Width Request field is set to 1 to prohibit
		 *  a receiving AP from operating its BSS as a 20/40 MHz BSS.
		 */
		BSS_20_40_COEXIST_IE(pPkt)->ucId = ELEM_ID_20_40_BSS_COEXISTENCE;
		BSS_20_40_COEXIST_IE(pPkt)->ucLength = 1;
		BSS_20_40_COEXIST_IE(pPkt)->ucData = 0x01;
		LR_TDLS_FME_FIELD_FILL(3);
	}
#endif
	/* 6. Frame Formation - HT Operation element */
	/* u4IeLen = rlmFillHtOpIeBody(prBssInfo, pPkt); */
	/* LR_TDLS_FME_FIELD_FILL(u4IeLen); */

	/* 7. Frame Formation - Link identifier element */
	/* Note: Link ID sequence must be correct; Or the calculated MIC will be error */
	TDLS_LINK_IDENTIFIER_IE(pPkt)->ucId = ELEM_ID_LINK_IDENTIFIER;
	TDLS_LINK_IDENTIFIER_IE(pPkt)->ucLength = 18;

	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aBSSID, prBssInfo->aucBSSID, 6);

	switch (ucActionCode) {
	case TDLS_FRM_ACTION_SETUP_REQ:
	case TDLS_FRM_ACTION_CONFIRM:
	default:
		/* we are initiator */
		pucInitiator = prBssInfo->aucOwnMacAddr;
		pucResponder = pPeerMac;

		if (prStaRec != NULL)
			prStaRec->flgTdlsIsInitiator = TRUE;
		break;
	case TDLS_FRM_ACTION_DISCOVERY_RSP:
	case TDLS_FRM_ACTION_SETUP_RSP:
		/* peer is initiator */
		pucInitiator = pPeerMac;
		pucResponder = prBssInfo->aucOwnMacAddr;

		if (prStaRec != NULL)
			prStaRec->flgTdlsIsInitiator = FALSE;
		break;

	case TDLS_FRM_ACTION_TEARDOWN:
		if (prStaRec != NULL) {
			if (prStaRec->flgTdlsIsInitiator == TRUE) {
				/* we are initiator */
				pucInitiator = prBssInfo->aucOwnMacAddr;
				pucResponder = pPeerMac;
			} else {
				/* peer is initiator */
				pucInitiator = pPeerMac;
				pucResponder = prBssInfo->aucOwnMacAddr;
			}
		} else {
			/* peer is initiator */
			pucInitiator = pPeerMac;
			pucResponder = prBssInfo->aucOwnMacAddr;
		}
		break;
	}

	/* 3. Frame Formation - (12) Timeout interval element (TPK Key Lifetime) */
	TIMEOUT_INTERVAL_IE(pPkt)->ucId = ELEM_ID_TIMEOUT_INTERVAL;
	TIMEOUT_INTERVAL_IE(pPkt)->ucLength = 5;
	TIMEOUT_INTERVAL_IE(pPkt)->ucType = 2;	/* IE_TIMEOUT_INTERVAL_TYPE_KEY_LIFETIME; */
	TIMEOUT_INTERVAL_IE(pPkt)->u4Value = TDLS_KEY_TIMEOUT_INTERVAL;	/* htonl(prCmd->u4Timeout); */

	u4IeLen = IE_SIZE(pPkt);
	pPkt += u4IeLen;
	u4PktLen += u4IeLen;

	if (ucActionCode != TDLS_FRM_ACTION_TEARDOWN) {
		/*
		 *  bit0 = 1: The Information Request field is used to indicate that a
		 *  transmitting STA is requesting the recipient to transmit a 20/40 BSS
		 *  Coexistence Management frame with the transmitting STA as the
		 *  recipient.
		 *  bit1 = 0: The Forty MHz Intolerant field is set to 1 to prohibit an AP
		 *  that receives this information or reports of this information from
		 *  operating a 20/40 MHz BSS.
		 *  bit2 = 0: The 20 MHz BSS Width Request field is set to 1 to prohibit
		 *  a receiving AP from operating its BSS as a 20/40 MHz BSS.
		 */
		BSS_20_40_COEXIST_IE(pPkt)->ucId = ELEM_ID_20_40_BSS_COEXISTENCE;
		BSS_20_40_COEXIST_IE(pPkt)->ucLength = 1;
		BSS_20_40_COEXIST_IE(pPkt)->ucData = 0x01;
		LR_TDLS_FME_FIELD_FILL(3);
	}

	if (pAppendIe != NULL) {

		kalMemCopy(pPkt, pAppendIe, AppendIeLen);
		LR_TDLS_FME_FIELD_FILL(AppendIeLen);

	}

	/* 7. Append Supported Operating Classes IE */
	if (ucActionCode != TDLS_FRM_ACTION_TEARDOWN) {
		/* Note: if we do not put the IE, Marvell STA will decline our TDLS setup request */
		u4IeLen = rlmDomainSupOperatingClassIeFill(pPkt);
		LR_TDLS_FME_FIELD_FILL(u4IeLen);
	}

	/* 3. Frame Formation - (16) Link identifier element */
	TDLS_LINK_IDENTIFIER_IE(pPkt)->ucId = ELEM_ID_LINK_IDENTIFIER;
	TDLS_LINK_IDENTIFIER_IE(pPkt)->ucLength = 18;

	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aBSSID, prBssInfo->aucBSSID, 6);
	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aInitiator, pPeerMac, 6);	/* prAdapter->rMyMacAddr */
	kalMemCopy(TDLS_LINK_IDENTIFIER_IE(pPkt)->aResponder, prAdapter->rMyMacAddr, 6);	/* pPeerMac */

	u4IeLen = IE_SIZE(pPkt);
	pPkt += u4IeLen;
	u4PktLen += u4IeLen;

	/* HT WMM IE append */
	/* HT WMM IE append */
	if (IS_FEATURE_ENABLED(prAdapter->rWifiVar.ucQoS)) {

		/* Add WMM IE *//* try to reuse p2p path */
		u4IeLen = mqmGenerateWmmInfoIEByStaRec(prAdapter, prBssInfo, prStaRec, pPkt);
		pPkt += u4IeLen;
		u4PktLen += u4IeLen;
	}

	if (IS_FEATURE_ENABLED(prAdapter->rWifiVar.ucQoS)) {
		u4IeLen = mqmGenerateWmmParamIEByParam(prAdapter, prBssInfo, pPkt);

		LR_TDLS_FME_FIELD_FILL(u4IeLen);
	}
#if CFG_SUPPORT_802_11AC
	if (prAdapter->rWifiVar.ucAvailablePhyTypeSet & PHY_TYPE_SET_802_11AC) {
		/* Add VHT IE *//* try to reuse p2p path */
		u4IeLen = rlmFillVhtCapIEByAdapter(prAdapter, prBssInfo, pPkt);
		pPkt += u4IeLen;
		u4PktLen += u4IeLen;
	}
#endif

	/* 8. Append security IEs */
	if ((ucActionCode != TDLS_FRM_ACTION_TEARDOWN) && (pAppendIe != NULL)) {
		kalMemCopy(pPkt, pAppendIe, AppendIeLen);
		LR_TDLS_FME_FIELD_FILL(AppendIeLen);
	}

	prMsduInfoMgmt->ucPacketType = TX_PACKET_TYPE_MGMT;
	prMsduInfoMgmt->ucStaRecIndex = prBssInfo->prStaRecOfAP->ucIndex;
	prMsduInfoMgmt->ucBssIndex = prBssInfo->ucBssIndex;
	prMsduInfoMgmt->ucMacHeaderLength = WLAN_MAC_MGMT_HEADER_LEN;
	prMsduInfoMgmt->fgIs802_1x = FALSE;
	prMsduInfoMgmt->fgIs802_11 = TRUE;
	prMsduInfoMgmt->u2FrameLength = u4PktLen;
	prMsduInfoMgmt->ucTxSeqNum = nicIncreaseTxSeqNum(prAdapter);
	prMsduInfoMgmt->pfTxDoneHandler = NULL;

	/* Send them to HW queue */
	nicTxEnqueueMsdu(prAdapter, prMsduInfoMgmt);

	return TDLS_STATUS_SUCCESS;
}

/*----------------------------------------------------------------------------*/
/*! \brief  This routine is called to send a command to TDLS module.
*
* \param[in] prGlueInfo		Pointer to the Adapter structure
* \param[in] prInBuf		A pointer to the command string buffer
* \param[in] u4InBufLen	The length of the buffer
* \param[out] None
*
* \retval None
*/
/*----------------------------------------------------------------------------*/
VOID TdlsexEventHandle(GLUE_INFO_T *prGlueInfo, UINT_8 *prInBuf, UINT_32 u4InBufLen)
{
	UINT_32 u4EventId;

	DBGLOG(TDLS, INFO, "TdlsexEventHandle\n");

	/* sanity check */
	if ((prGlueInfo == NULL) || (prInBuf == NULL))
		return;		/* shall not be here */

	/* handle */
	u4EventId = *(UINT_32 *) prInBuf;
	u4InBufLen -= 4;

	switch (u4EventId) {
	case TDLS_HOST_EVENT_TEAR_DOWN:
		DBGLOG(TDLS, INFO, "TDLS_HOST_EVENT_TEAR_DOWN\n");
		TdlsEventTearDown(prGlueInfo, prInBuf + 4, u4InBufLen);
		break;

	case TDLS_HOST_EVENT_TX_DONE:

		break;
	}
}

/*----------------------------------------------------------------------------*/
/*! \brief  This routine is called to do tear down.
*
* \param[in] prGlueInfo		Pointer to the Adapter structure
* \param[in] prInBuf		A pointer to the command string buffer, from u4EventSubId
* \param[in] u4InBufLen	The length of the buffer
* \param[out] None
*
* \retval None
*
*/
/*----------------------------------------------------------------------------*/
VOID TdlsEventTearDown(GLUE_INFO_T *prGlueInfo, UINT_8 *prInBuf, UINT_32 u4InBufLen)
{
	STA_RECORD_T *prStaRec;
	UINT_16 u2ReasonCode;
	UINT_32 u4TearDownSubId;
	UINT_8 *pMac, aucZeroMac[6];

	/* init */
	u4TearDownSubId = *(UINT_32 *) prInBuf;
	kalMemZero(aucZeroMac, sizeof(aucZeroMac));
	pMac = aucZeroMac;

	prStaRec = cnmGetStaRecByIndex(prGlueInfo->prAdapter, *(prInBuf + 4));
	if (prStaRec != NULL)
		pMac = prStaRec->aucMacAddr;

	/* handle */

	/* sanity check */
	if (prStaRec == NULL)
		return;

	if (fgIsPtiTimeoutSkip == TRUE) {
		/* skip PTI timeout event */
		if (u4TearDownSubId == TDLS_HOST_EVENT_TD_PTI_TIMEOUT)
			return;
	}

	if (u4TearDownSubId == TDLS_HOST_EVENT_TD_PTI_TIMEOUT) {
		DBGLOG(TDLS, INFO, "TDLS_HOST_EVENT_TD_PTI_TIMEOUT TDLS_REASON_CODE_UNSPECIFIED\n");
		u2ReasonCode = TDLS_REASON_CODE_UNSPECIFIED;

		cfg80211_tdls_oper_request(prGlueInfo->prDevHandler,
					   prStaRec->aucMacAddr, NL80211_TDLS_TEARDOWN,
					   WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE, GFP_ATOMIC);
	}

	if (u4TearDownSubId == TDLS_HOST_EVENT_TD_AGE_TIMEOUT) {
		DBGLOG(TDLS, INFO, "TDLS_HOST_EVENT_TD_AGE_TIMEOUT TDLS_REASON_CODE_UNREACHABLE\n");
		u2ReasonCode = TDLS_REASON_CODE_UNREACHABLE;

		cfg80211_tdls_oper_request(prGlueInfo->prDevHandler,
					   prStaRec->aucMacAddr, NL80211_TDLS_TEARDOWN,
					   WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE, GFP_ATOMIC);

	}

	DBGLOG(TDLS, INFO, "\n\n u2ReasonCode = %u\n\n", u2ReasonCode);

	/*
	 *  modify the value when supplicant sends tear down to us in TdlsexMgmtCtrl(), not here
	 *  we want to send tear down to AP (not peer) if PTI timeout or AGE timeout.
	 */

	/* 16 Nov 21:49 2012 http://permalink.gmane.org/gmane.linux.kernel.wireless.general/99712 */

}

#if 0

/*----------------------------------------------------------------------------*/
/*! \brief  This routine is called to send a TDLS event to supplicant.
*
* \param[in] prGlueInfo Pointer to the Adapter structure
* \param[in] prInBuf A pointer to the command string buffer
* \param[in] u4InBufLen The length of the buffer
* \param[out] None
*
* \retval None
*
*/
/*----------------------------------------------------------------------------*/
VOID tdls_oper_request(struct net_device *dev, const u8 *peer, u16 oper, u16 reason_code, gfp_t gfp)
{
	GLUE_INFO_T *prGlueInfo;
	ADAPTER_T *prAdapter;
	struct sk_buff *prMsduInfo;
	UINT_8 *pPkt;
	UINT_32 u4PktLen;

	/* sanity check */
	if ((dev == NULL) || (peer == NULL))
		return;		/* shall not be here */

	/* init */
	prGlueInfo = *((P_GLUE_INFO_T *) netdev_priv(dev));
	prAdapter = prGlueInfo->prAdapter;
	u4PktLen = 0;

	/* allocate/init packet */
	prMsduInfo = kalPacketAlloc(prGlueInfo, 1600, &pPkt);
	if (prMsduInfo == NULL)
		return;
	prMsduInfo->dev = dev;

	/* make up frame content */
	/* 1. 802.3 header */
	kalMemCopy(pPkt, prAdapter->rMyMacAddr, TDLS_FME_MAC_ADDR_LEN);
	LR_TDLS_FME_FIELD_FILL(TDLS_FME_MAC_ADDR_LEN);
	kalMemCopy(pPkt, peer, TDLS_FME_MAC_ADDR_LEN);
	LR_TDLS_FME_FIELD_FILL(TDLS_FME_MAC_ADDR_LEN);
	*(UINT_16 *) pPkt = htons(TDLS_FRM_PROT_TYPE);
	LR_TDLS_FME_FIELD_FILL(2);

	/* 2. payload type */
	*pPkt = TDLS_FRM_PAYLOAD_TYPE;
	LR_TDLS_FME_FIELD_FILL(1);

	/* 3. Frame Formation - (1) Category */
	*pPkt = TDLS_FRM_CATEGORY;
	LR_TDLS_FME_FIELD_FILL(1);

	/* 3. Frame Formation - (2) Action */
	*pPkt = TDLS_FRM_ACTION_EVENT_TEAR_DOWN_TO_SUPPLICANT;
	LR_TDLS_FME_FIELD_FILL(1);

	/* 3. Frame Formation - (3) Operation */
	*pPkt = oper;
	LR_TDLS_FME_FIELD_FILL(1);

	/* 3. Frame Formation - (4) Reason Code */
	*pPkt = reason_code;
	*(pPkt + 1) = 0x00;
	LR_TDLS_FME_FIELD_FILL(2);

	/* 3. Frame Formation - (5) Peer MAC */
	kalMemCopy(pPkt, peer, 6);
	LR_TDLS_FME_FIELD_FILL(6);

	/* 4. Update packet length */
	prMsduInfo->len = u4PktLen;

	/* pass to OS */
	TdlsCmdTestRxIndicatePkts(prGlueInfo, prMsduInfo);
}

/*----------------------------------------------------------------------------*/
/*!
* \brief This routine is called to indicate packets to upper layer.
*
* \param[in] prGlueInfo		Pointer to the Adapter structure
* \param[in] prSkb			A pointer to the received packet
*
* \retval None
*
*/
/*----------------------------------------------------------------------------*/
VOID TdlsCmdTestRxIndicatePkts(GLUE_INFO_T *prGlueInfo, struct sk_buff *prSkb)
{
	struct net_device *prNetDev;

	/* init */
	prNetDev = prGlueInfo->prDevHandler;
	prGlueInfo->rNetDevStats.rx_bytes += prSkb->len;
	prGlueInfo->rNetDevStats.rx_packets++;

	/* pass to upper layer */
	prNetDev->last_rx = jiffies;
	prSkb->protocol = eth_type_trans(prSkb, prNetDev);
	prSkb->dev = prNetDev;

	if (!in_interrupt())
		netif_rx_ni(prSkb);	/* only in non-interrupt context */
	else
		netif_rx(prSkb);
}
#endif

VOID TdlsBssExtCapParse(P_STA_RECORD_T prStaRec, P_UINT_8 pucIE)
{
	UINT_8 *pucIeExtCap;

	/* sanity check */
	if ((prStaRec == NULL) || (pucIE == NULL))
		return;

	if (IE_ID(pucIE) != ELEM_ID_EXTENDED_CAP)
		return;

	/*
	 *  from bit0 ~
	 *  bit 38: TDLS Prohibited
	 *  The TDLS Prohibited subfield indicates whether the use of TDLS is prohibited. The
	 *  field is set to 1 to indicate that TDLS is prohibited and to 0 to indicate that TDLS is
	 *  allowed.
	 */
	if (IE_LEN(pucIE) < 5)
		return;		/* we need 39/8 = 5 bytes */

	/* init */
	prStaRec->fgTdlsIsProhibited = FALSE;
	prStaRec->fgTdlsIsChSwProhibited = FALSE;

	/* parse */
	pucIeExtCap = pucIE + 2;
	pucIeExtCap += 4;	/* shift to the byte we care about */

	if ((*pucIeExtCap) && BIT(38 - 32))
		prStaRec->fgTdlsIsProhibited = TRUE;
	if ((*pucIeExtCap) && BIT(39 - 32))
		prStaRec->fgTdlsIsChSwProhibited = TRUE;

}

/*----------------------------------------------------------------------------*/
/*!
* \brief        Generate CMD_ID_SET_TDLS_CH_SW command
*
* \param[in]
*
* \return none
*/
/*----------------------------------------------------------------------------*/
WLAN_STATUS
TdlsSendChSwControlCmd(P_ADAPTER_T prAdapter, PVOID pvSetBuffer, UINT_32 u4SetBufferLen, PUINT_32 pu4SetInfoLen)
{

	CMD_TDLS_CH_SW_T rCmdTdlsChSwCtrl;

	ASSERT(prAdapter);

	/* send command packet for scan */
	kalMemZero(&rCmdTdlsChSwCtrl, sizeof(CMD_TDLS_CH_SW_T));

	rCmdTdlsChSwCtrl.fgIsTDLSChSwProhibit = prAdapter->prAisBssInfo->fgTdlsIsChSwProhibited;

	wlanSendSetQueryCmd(prAdapter,
			    CMD_ID_SET_TDLS_CH_SW,
			    TRUE,
			    FALSE, FALSE, NULL, NULL, sizeof(CMD_TDLS_CH_SW_T), (PUINT_8)&rCmdTdlsChSwCtrl, NULL, 0);
	return TDLS_STATUS_SUCCESS;
}

#endif /* CFG_SUPPORT_TDLS */

/* End of tdls.c */