drivers/staging/bcm/IPv6Protocol.c - linux - Git at Google

 #include "headers.h"

 static bool MatchSrcIpv6Address(struct bcm_classifier_rule *pstClassifierRule,
 	struct bcm_ipv6_hdr *pstIpv6Header);
 static bool MatchDestIpv6Address(struct bcm_classifier_rule *pstClassifierRule,
 	struct bcm_ipv6_hdr *pstIpv6Header);
 static VOID DumpIpv6Header(struct bcm_ipv6_hdr *pstIpv6Header);

 static UCHAR *GetNextIPV6ChainedHeader(UCHAR **ppucPayload,
 	UCHAR *pucNextHeader, bool *bParseDone, USHORT *pusPayloadLength)
 {
 	UCHAR *pucRetHeaderPtr = NULL;
 	UCHAR *pucPayloadPtr = NULL;
 	USHORT  usNextHeaderOffset = 0 ;
 	struct bcm_mini_adapter *Adapter = GET_BCM_ADAPTER(gblpnetdev);

 	if ((ppucPayload == NULL) || (*pusPayloadLength == 0) ||
 		(*bParseDone)) {
 		*bParseDone = TRUE;
 		return NULL;
 	}

 	pucRetHeaderPtr = *ppucPayload;
 	pucPayloadPtr = *ppucPayload;

 	if (!pucRetHeaderPtr || !pucPayloadPtr) {
 		*bParseDone = TRUE;
 		return NULL;
 	}

 	/* Get the Nextt Header Type */
 	*bParseDone = false;


 	switch (*pucNextHeader) {
 	case IPV6HDR_TYPE_HOPBYHOP:
 		{

 			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 					DBG_LVL_ALL, "\nIPv6 HopByHop Header");
 			usNextHeaderOffset += sizeof(struct bcm_ipv6_options_hdr);
 		}
 		break;

 	case IPV6HDR_TYPE_ROUTING:
 		{
 			struct bcm_ipv6_routing_hdr *pstIpv6RoutingHeader;
 			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 					DBG_LVL_ALL, "\nIPv6 Routing Header");
 			pstIpv6RoutingHeader = (struct bcm_ipv6_routing_hdr *)pucPayloadPtr;
 			usNextHeaderOffset += sizeof(struct bcm_ipv6_routing_hdr);
 			usNextHeaderOffset += pstIpv6RoutingHeader->ucNumAddresses * IPV6_ADDRESS_SIZEINBYTES;

 		}
 		break;
 	case IPV6HDR_TYPE_FRAGMENTATION:
 		{
 			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 					DBG_LVL_ALL,
 					"\nIPv6 Fragmentation Header");
 			usNextHeaderOffset += sizeof(struct bcm_ipv6_fragment_hdr);

 		}
 		break;
 	case IPV6HDR_TYPE_DESTOPTS:
 		{
 			struct bcm_ipv6_dest_options_hdr *pstIpv6DestOptsHdr = (struct bcm_ipv6_dest_options_hdr *)pucPayloadPtr;
 			int nTotalOptions = pstIpv6DestOptsHdr->ucHdrExtLen;
 			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 					DBG_LVL_ALL,
 					"\nIPv6 DestOpts Header Header");
 			usNextHeaderOffset += sizeof(struct bcm_ipv6_dest_options_hdr);
 			usNextHeaderOffset += nTotalOptions * IPV6_DESTOPTS_HDR_OPTIONSIZE ;

 		}
 		break;
 	case IPV6HDR_TYPE_AUTHENTICATION:
 		{
 			struct bcm_ipv6_authentication_hdr *pstIpv6AuthHdr = (struct bcm_ipv6_authentication_hdr *)pucPayloadPtr;
 			int nHdrLen = pstIpv6AuthHdr->ucLength;
 			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 					DBG_LVL_ALL,
 					"\nIPv6 Authentication Header");
 			usNextHeaderOffset += nHdrLen * 4;
 		}
 		break;
 	case IPV6HDR_TYPE_ENCRYPTEDSECURITYPAYLOAD:
 		{
 			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 					DBG_LVL_ALL,
 					"\nIPv6 Encrypted Security Payload Header");
 			*bParseDone = TRUE;

 		}
 		break;
 	case IPV6_ICMP_HDR_TYPE:
 		{
 			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 					DBG_LVL_ALL, "\nICMP Header");
 			*bParseDone = TRUE;
 		}
 		break;
 	case TCP_HEADER_TYPE:
 		{
 			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 					DBG_LVL_ALL, "\nTCP Header");
 			*bParseDone = TRUE;
 		}
 		break;
 	case UDP_HEADER_TYPE:
 		{
 			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 					DBG_LVL_ALL, "\nUDP Header");
 			*bParseDone = TRUE;
 		}
 		break;
 	default:
 		{
 			*bParseDone = TRUE;

 		}
 		break;


 	}

 	if (*bParseDone == false) {
 		if (*pusPayloadLength <= usNextHeaderOffset) {
 			*bParseDone = TRUE;
 		} else {
 			*pucNextHeader = *pucPayloadPtr;
 			pucPayloadPtr += usNextHeaderOffset;
 			(*pusPayloadLength) -= usNextHeaderOffset;
 		}

 	}

 	*ppucPayload = pucPayloadPtr;
 	return pucRetHeaderPtr;
 }


 static UCHAR GetIpv6ProtocolPorts(UCHAR *pucPayload, USHORT *pusSrcPort,
 	USHORT *pusDestPort, USHORT usPayloadLength, UCHAR ucNextHeader)
 {
 	UCHAR *pIpv6HdrScanContext = pucPayload;
 	bool bDone = false;
 	UCHAR ucHeaderType = 0;
 	UCHAR *pucNextHeader = NULL;
 	struct bcm_mini_adapter *Adapter = GET_BCM_ADAPTER(gblpnetdev);

 	if (!pucPayload || (usPayloadLength == 0))
 		return 0;

 	*pusSrcPort = *pusDestPort = 0;
 	ucHeaderType = ucNextHeader;
 	while (!bDone) {
 		pucNextHeader = GetNextIPV6ChainedHeader(&pIpv6HdrScanContext,
 					&ucHeaderType, &bDone, &usPayloadLength);
 		if (bDone) {
 			if ((ucHeaderType == TCP_HEADER_TYPE) ||
 				(ucHeaderType == UDP_HEADER_TYPE)) {
 				*pusSrcPort = *((PUSHORT)(pucNextHeader));
 				*pusDestPort = *((PUSHORT)(pucNextHeader+2));
 				BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 						DBG_LVL_ALL,
 						"\nProtocol Ports - Src Port :0x%x Dest Port : 0x%x",
 						ntohs(*pusSrcPort),
 						ntohs(*pusDestPort));
 			}
 			break;

 		}
 	}
 	return ucHeaderType;
 }


 /*
  * Arg 1 struct bcm_mini_adapter *Adapter is a pointer ot the driver contorl structure
  * Arg 2 PVOID pcIpHeader is a pointer to the IP header of the packet
  */
 USHORT	IpVersion6(struct bcm_mini_adapter *Adapter, PVOID pcIpHeader,
 					struct bcm_classifier_rule *pstClassifierRule)
 {
 	USHORT	ushDestPort = 0;
 	USHORT	ushSrcPort = 0;
 	UCHAR   ucNextProtocolAboveIP = 0;
 	struct bcm_ipv6_hdr *pstIpv6Header = NULL;
 	bool bClassificationSucceed = false;

 	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 			DBG_LVL_ALL, "IpVersion6 ==========>\n");

 	pstIpv6Header = pcIpHeader;

 	DumpIpv6Header(pstIpv6Header);

 	/*
 	 * Try to get the next higher layer protocol
 	 * and the Ports Nos if TCP or UDP
 	 */
 	ucNextProtocolAboveIP = GetIpv6ProtocolPorts((UCHAR *)(pcIpHeader + sizeof(struct bcm_ipv6_hdr)),
 							&ushSrcPort,
 							&ushDestPort,
 							pstIpv6Header->usPayloadLength,
 							pstIpv6Header->ucNextHeader);

 	do {
 		if (pstClassifierRule->ucDirection == 0) {
 			/*
 			 * cannot be processed for classification.
 			 * it is a down link connection
 			 */
 			break;
 		}

 		if (!pstClassifierRule->bIpv6Protocol) {
 			/*
 			 * We are looking for Ipv6 Classifiers
 			 * Lets ignore this classifier and try the next one
 			 */
 			break;
 		}

 		bClassificationSucceed = MatchSrcIpv6Address(pstClassifierRule,
 								pstIpv6Header);
 		if (!bClassificationSucceed)
 			break;

 		bClassificationSucceed = MatchDestIpv6Address(pstClassifierRule,
 								pstIpv6Header);
 		if (!bClassificationSucceed)
 			break;

 		/*
 		 * Match the protocol type.
 		 * For IPv6 the next protocol at end of
 		 * Chain of IPv6 prot headers
 		 */
 		bClassificationSucceed = MatchProtocol(pstClassifierRule,
 							ucNextProtocolAboveIP);
 		if (!bClassificationSucceed)
 			break;

 		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 				DBG_LVL_ALL, "\nIPv6 Protocol Matched");

 		if ((ucNextProtocolAboveIP == TCP_HEADER_TYPE) ||
 			(ucNextProtocolAboveIP == UDP_HEADER_TYPE)) {
 			/* Match Src Port */
 			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 					DBG_LVL_ALL, "\nIPv6 Source Port:%x\n",
 					ntohs(ushSrcPort));
 			bClassificationSucceed = MatchSrcPort(pstClassifierRule,
 							ntohs(ushSrcPort));
 			if (!bClassificationSucceed)
 				break;

 			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 					DBG_LVL_ALL, "\nIPv6 Src Port Matched");

 			/* Match Dest Port */
 			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 					DBG_LVL_ALL, "\nIPv6 Destination Port:%x\n",
 					ntohs(ushDestPort));
 			bClassificationSucceed = MatchDestPort(pstClassifierRule,
 							ntohs(ushDestPort));
 			if (!bClassificationSucceed)
 				break;
 			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 					DBG_LVL_ALL, "\nIPv6 Dest Port Matched");
 		}
 	} while (0);

 	if (bClassificationSucceed == TRUE) {
 		INT iMatchedSFQueueIndex = 0;
 		iMatchedSFQueueIndex = SearchSfid(Adapter, pstClassifierRule->ulSFID);
 		if (iMatchedSFQueueIndex >= NO_OF_QUEUES) {
 			bClassificationSucceed = false;
 		} else {
 			if (Adapter->PackInfo[iMatchedSFQueueIndex].bActive == false)
 				bClassificationSucceed = false;
 		}
 	}

 	return bClassificationSucceed;
 }


 static bool MatchSrcIpv6Address(struct bcm_classifier_rule *pstClassifierRule,
 	struct bcm_ipv6_hdr *pstIpv6Header)
 {
 	UINT uiLoopIndex = 0;
 	UINT uiIpv6AddIndex = 0;
 	UINT uiIpv6AddrNoLongWords = 4;
 	ULONG aulSrcIP[4];
 	struct bcm_mini_adapter *Adapter = GET_BCM_ADAPTER(gblpnetdev);
 	/*
 	 * This is the no. of Src Addresses ie Range of IP Addresses contained
 	 * in the classifier rule for which we need to match
 	 */
 	UINT  uiCountIPSrcAddresses = (UINT)pstClassifierRule->ucIPSourceAddressLength;


 	if (uiCountIPSrcAddresses == 0)
 		return TRUE;


 	/* First Convert the Ip Address in the packet to Host Endian order */
 	for (uiIpv6AddIndex = 0; uiIpv6AddIndex < uiIpv6AddrNoLongWords; uiIpv6AddIndex++)
 		aulSrcIP[uiIpv6AddIndex] = ntohl(pstIpv6Header->ulSrcIpAddress[uiIpv6AddIndex]);

 	for (uiLoopIndex = 0; uiLoopIndex < uiCountIPSrcAddresses; uiLoopIndex += uiIpv6AddrNoLongWords) {
 		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 				"\n Src Ipv6 Address In Received Packet :\n ");
 		DumpIpv6Address(aulSrcIP);
 		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 				"\n Src Ipv6 Mask In Classifier Rule:\n");
 		DumpIpv6Address(&pstClassifierRule->stSrcIpAddress.ulIpv6Mask[uiLoopIndex]);
 		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 				"\n Src Ipv6 Address In Classifier Rule :\n");
 		DumpIpv6Address(&pstClassifierRule->stSrcIpAddress.ulIpv6Addr[uiLoopIndex]);

 		for (uiIpv6AddIndex = 0; uiIpv6AddIndex < uiIpv6AddrNoLongWords; uiIpv6AddIndex++) {
 			if ((pstClassifierRule->stSrcIpAddress.ulIpv6Mask[uiLoopIndex+uiIpv6AddIndex] & aulSrcIP[uiIpv6AddIndex])
 				!= pstClassifierRule->stSrcIpAddress.ulIpv6Addr[uiLoopIndex+uiIpv6AddIndex]) {
 				/*
 				 * Match failed for current Ipv6 Address
 				 * Try next Ipv6 Address
 				 */
 				break;
 			}

 			if (uiIpv6AddIndex ==  uiIpv6AddrNoLongWords-1) {
 				/* Match Found */
 				BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 						DBG_LVL_ALL,
 						"Ipv6 Src Ip Address Matched\n");
 				return TRUE;
 			}
 		}
 	}
 	return false;
 }

 static bool MatchDestIpv6Address(struct bcm_classifier_rule *pstClassifierRule,
 	struct bcm_ipv6_hdr *pstIpv6Header)
 {
 	UINT uiLoopIndex = 0;
 	UINT uiIpv6AddIndex = 0;
 	UINT uiIpv6AddrNoLongWords = 4;
 	ULONG aulDestIP[4];
 	struct bcm_mini_adapter *Adapter = GET_BCM_ADAPTER(gblpnetdev);
 	/*
 	 * This is the no. of Destination Addresses
 	 * ie Range of IP Addresses contained in the classifier rule
 	 * for which we need to match
 	 */
 	UINT  uiCountIPDestinationAddresses = (UINT)pstClassifierRule->ucIPDestinationAddressLength;


 	if (uiCountIPDestinationAddresses == 0)
 		return TRUE;


 	/* First Convert the Ip Address in the packet to Host Endian order */
 	for (uiIpv6AddIndex = 0; uiIpv6AddIndex < uiIpv6AddrNoLongWords; uiIpv6AddIndex++)
 		aulDestIP[uiIpv6AddIndex] = ntohl(pstIpv6Header->ulDestIpAddress[uiIpv6AddIndex]);

 	for (uiLoopIndex = 0; uiLoopIndex < uiCountIPDestinationAddresses; uiLoopIndex += uiIpv6AddrNoLongWords) {
 		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 				"\n Destination Ipv6 Address In Received Packet :\n ");
 		DumpIpv6Address(aulDestIP);
 		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 				"\n Destination Ipv6 Mask In Classifier Rule :\n");
 		DumpIpv6Address(&pstClassifierRule->stDestIpAddress.ulIpv6Mask[uiLoopIndex]);
 		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 				"\n Destination Ipv6 Address In Classifier Rule :\n");
 		DumpIpv6Address(&pstClassifierRule->stDestIpAddress.ulIpv6Addr[uiLoopIndex]);

 		for (uiIpv6AddIndex = 0; uiIpv6AddIndex < uiIpv6AddrNoLongWords; uiIpv6AddIndex++) {
 			if ((pstClassifierRule->stDestIpAddress.ulIpv6Mask[uiLoopIndex+uiIpv6AddIndex] & aulDestIP[uiIpv6AddIndex])
 				!= pstClassifierRule->stDestIpAddress.ulIpv6Addr[uiLoopIndex+uiIpv6AddIndex]) {
 				/*
 				 * Match failed for current Ipv6 Address.
 				 * Try next Ipv6 Address
 				 */
 				break;
 			}

 			if (uiIpv6AddIndex ==  uiIpv6AddrNoLongWords-1) {
 				/* Match Found */
 				BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
 						DBG_LVL_ALL,
 						"Ipv6 Destination Ip Address Matched\n");
 				return TRUE;
 			}
 		}
 	}
 	return false;

 }

 VOID DumpIpv6Address(ULONG *puIpv6Address)
 {
 	UINT uiIpv6AddrNoLongWords = 4;
 	UINT uiIpv6AddIndex = 0;
 	struct bcm_mini_adapter *Adapter = GET_BCM_ADAPTER(gblpnetdev);
 	for (uiIpv6AddIndex = 0; uiIpv6AddIndex < uiIpv6AddrNoLongWords; uiIpv6AddIndex++) {
 		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 				":%lx", puIpv6Address[uiIpv6AddIndex]);
 	}

 }

 static VOID DumpIpv6Header(struct bcm_ipv6_hdr *pstIpv6Header)
 {
 	UCHAR ucVersion;
 	UCHAR ucPrio;
 	struct bcm_mini_adapter *Adapter = GET_BCM_ADAPTER(gblpnetdev);
 	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 			"----Ipv6 Header---");
 	ucVersion = pstIpv6Header->ucVersionPrio & 0xf0;
 	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 			"Version : %x\n", ucVersion);
 	ucPrio = pstIpv6Header->ucVersionPrio & 0x0f;
 	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 			"Priority : %x\n", ucPrio);
 	/*
 	 * BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 	 * "Flow Label : %x\n",(pstIpv6Header->ucVersionPrio &0xf0);
 	 */
 	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 			"Payload Length : %x\n",
 			ntohs(pstIpv6Header->usPayloadLength));
 	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 			"Next Header : %x\n", pstIpv6Header->ucNextHeader);
 	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 			"Hop Limit : %x\n", pstIpv6Header->ucHopLimit);
 	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 			"Src Address :\n");
 	DumpIpv6Address(pstIpv6Header->ulSrcIpAddress);
 	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 			"Dest Address :\n");
 	DumpIpv6Address(pstIpv6Header->ulDestIpAddress);
 	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
 			"----Ipv6 Header End---");


 }
	#include "headers.h"

	static bool MatchSrcIpv6Address(struct bcm_classifier_rule *pstClassifierRule,
	struct bcm_ipv6_hdr *pstIpv6Header);
	static bool MatchDestIpv6Address(struct bcm_classifier_rule *pstClassifierRule,
	struct bcm_ipv6_hdr *pstIpv6Header);
	static VOID DumpIpv6Header(struct bcm_ipv6_hdr *pstIpv6Header);

	static UCHAR GetNextIPV6ChainedHeader(UCHAR *ppucPayload,
	UCHAR pucNextHeader, bool bParseDone, USHORT *pusPayloadLength)
	{
	UCHAR *pucRetHeaderPtr = NULL;
	UCHAR *pucPayloadPtr = NULL;
	USHORT usNextHeaderOffset = 0 ;
	struct bcm_mini_adapter *Adapter = GET_BCM_ADAPTER(gblpnetdev);

	if ((ppucPayload == NULL) \|\| (*pusPayloadLength == 0) \|\|
	(*bParseDone)) {
	*bParseDone = TRUE;
	return NULL;
	}

	pucRetHeaderPtr = *ppucPayload;
	pucPayloadPtr = *ppucPayload;

	if (!pucRetHeaderPtr \|\| !pucPayloadPtr) {
	*bParseDone = TRUE;
	return NULL;
	}

	/* Get the Nextt Header Type */
	*bParseDone = false;


	switch (*pucNextHeader) {
	case IPV6HDR_TYPE_HOPBYHOP:
	{

	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL, "\nIPv6 HopByHop Header");
	usNextHeaderOffset += sizeof(struct bcm_ipv6_options_hdr);
	}
	break;

	case IPV6HDR_TYPE_ROUTING:
	{
	struct bcm_ipv6_routing_hdr *pstIpv6RoutingHeader;
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL, "\nIPv6 Routing Header");
	pstIpv6RoutingHeader = (struct bcm_ipv6_routing_hdr *)pucPayloadPtr;
	usNextHeaderOffset += sizeof(struct bcm_ipv6_routing_hdr);
	usNextHeaderOffset += pstIpv6RoutingHeader->ucNumAddresses * IPV6_ADDRESS_SIZEINBYTES;

	}
	break;
	case IPV6HDR_TYPE_FRAGMENTATION:
	{
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL,
	"\nIPv6 Fragmentation Header");
	usNextHeaderOffset += sizeof(struct bcm_ipv6_fragment_hdr);

	}
	break;
	case IPV6HDR_TYPE_DESTOPTS:
	{
	struct bcm_ipv6_dest_options_hdr pstIpv6DestOptsHdr = (struct bcm_ipv6_dest_options_hdr )pucPayloadPtr;
	int nTotalOptions = pstIpv6DestOptsHdr->ucHdrExtLen;
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL,
	"\nIPv6 DestOpts Header Header");
	usNextHeaderOffset += sizeof(struct bcm_ipv6_dest_options_hdr);
	usNextHeaderOffset += nTotalOptions * IPV6_DESTOPTS_HDR_OPTIONSIZE ;

	}
	break;
	case IPV6HDR_TYPE_AUTHENTICATION:
	{
	struct bcm_ipv6_authentication_hdr pstIpv6AuthHdr = (struct bcm_ipv6_authentication_hdr )pucPayloadPtr;
	int nHdrLen = pstIpv6AuthHdr->ucLength;
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL,
	"\nIPv6 Authentication Header");
	usNextHeaderOffset += nHdrLen * 4;
	}
	break;
	case IPV6HDR_TYPE_ENCRYPTEDSECURITYPAYLOAD:
	{
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL,
	"\nIPv6 Encrypted Security Payload Header");
	*bParseDone = TRUE;

	}
	break;
	case IPV6_ICMP_HDR_TYPE:
	{
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL, "\nICMP Header");
	*bParseDone = TRUE;
	}
	break;
	case TCP_HEADER_TYPE:
	{
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL, "\nTCP Header");
	*bParseDone = TRUE;
	}
	break;
	case UDP_HEADER_TYPE:
	{
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL, "\nUDP Header");
	*bParseDone = TRUE;
	}
	break;
	default:
	{
	*bParseDone = TRUE;

	}
	break;


	}

	if (*bParseDone == false) {
	if (*pusPayloadLength <= usNextHeaderOffset) {
	*bParseDone = TRUE;
	} else {
	pucNextHeader = pucPayloadPtr;
	pucPayloadPtr += usNextHeaderOffset;
	(*pusPayloadLength) -= usNextHeaderOffset;
	}

	}

	*ppucPayload = pucPayloadPtr;
	return pucRetHeaderPtr;
	}


	static UCHAR GetIpv6ProtocolPorts(UCHAR pucPayload, USHORT pusSrcPort,
	USHORT *pusDestPort, USHORT usPayloadLength, UCHAR ucNextHeader)
	{
	UCHAR *pIpv6HdrScanContext = pucPayload;
	bool bDone = false;
	UCHAR ucHeaderType = 0;
	UCHAR *pucNextHeader = NULL;
	struct bcm_mini_adapter *Adapter = GET_BCM_ADAPTER(gblpnetdev);

	if (!pucPayload \|\| (usPayloadLength == 0))
	return 0;

	pusSrcPort = pusDestPort = 0;
	ucHeaderType = ucNextHeader;
	while (!bDone) {
	pucNextHeader = GetNextIPV6ChainedHeader(&pIpv6HdrScanContext,
	&ucHeaderType, &bDone, &usPayloadLength);
	if (bDone) {
	if ((ucHeaderType == TCP_HEADER_TYPE) \|\|
	(ucHeaderType == UDP_HEADER_TYPE)) {
	pusSrcPort = ((PUSHORT)(pucNextHeader));
	pusDestPort = ((PUSHORT)(pucNextHeader+2));
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL,
	"\nProtocol Ports - Src Port :0x%x Dest Port : 0x%x",
	ntohs(*pusSrcPort),
	ntohs(*pusDestPort));
	}
	break;

	}
	}
	return ucHeaderType;
	}


	/*
	* Arg 1 struct bcm_mini_adapter *Adapter is a pointer ot the driver contorl structure
	* Arg 2 PVOID pcIpHeader is a pointer to the IP header of the packet
	*/
	USHORT IpVersion6(struct bcm_mini_adapter *Adapter, PVOID pcIpHeader,
	struct bcm_classifier_rule *pstClassifierRule)
	{
	USHORT ushDestPort = 0;
	USHORT ushSrcPort = 0;
	UCHAR ucNextProtocolAboveIP = 0;
	struct bcm_ipv6_hdr *pstIpv6Header = NULL;
	bool bClassificationSucceed = false;

	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL, "IpVersion6 ==========>\n");

	pstIpv6Header = pcIpHeader;

	DumpIpv6Header(pstIpv6Header);

	/*
	* Try to get the next higher layer protocol
	* and the Ports Nos if TCP or UDP
	*/
	ucNextProtocolAboveIP = GetIpv6ProtocolPorts((UCHAR *)(pcIpHeader + sizeof(struct bcm_ipv6_hdr)),
	&ushSrcPort,
	&ushDestPort,
	pstIpv6Header->usPayloadLength,
	pstIpv6Header->ucNextHeader);

	do {
	if (pstClassifierRule->ucDirection == 0) {
	/*
	* cannot be processed for classification.
	* it is a down link connection
	*/
	break;
	}

	if (!pstClassifierRule->bIpv6Protocol) {
	/*
	* We are looking for Ipv6 Classifiers
	* Lets ignore this classifier and try the next one
	*/
	break;
	}

	bClassificationSucceed = MatchSrcIpv6Address(pstClassifierRule,
	pstIpv6Header);
	if (!bClassificationSucceed)
	break;

	bClassificationSucceed = MatchDestIpv6Address(pstClassifierRule,
	pstIpv6Header);
	if (!bClassificationSucceed)
	break;

	/*
	* Match the protocol type.
	* For IPv6 the next protocol at end of
	* Chain of IPv6 prot headers
	*/
	bClassificationSucceed = MatchProtocol(pstClassifierRule,
	ucNextProtocolAboveIP);
	if (!bClassificationSucceed)
	break;

	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL, "\nIPv6 Protocol Matched");

	if ((ucNextProtocolAboveIP == TCP_HEADER_TYPE) \|\|
	(ucNextProtocolAboveIP == UDP_HEADER_TYPE)) {
	/* Match Src Port */
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL, "\nIPv6 Source Port:%x\n",
	ntohs(ushSrcPort));
	bClassificationSucceed = MatchSrcPort(pstClassifierRule,
	ntohs(ushSrcPort));
	if (!bClassificationSucceed)
	break;

	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL, "\nIPv6 Src Port Matched");

	/* Match Dest Port */
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL, "\nIPv6 Destination Port:%x\n",
	ntohs(ushDestPort));
	bClassificationSucceed = MatchDestPort(pstClassifierRule,
	ntohs(ushDestPort));
	if (!bClassificationSucceed)
	break;
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL, "\nIPv6 Dest Port Matched");
	}
	} while (0);

	if (bClassificationSucceed == TRUE) {
	INT iMatchedSFQueueIndex = 0;
	iMatchedSFQueueIndex = SearchSfid(Adapter, pstClassifierRule->ulSFID);
	if (iMatchedSFQueueIndex >= NO_OF_QUEUES) {
	bClassificationSucceed = false;
	} else {
	if (Adapter->PackInfo[iMatchedSFQueueIndex].bActive == false)
	bClassificationSucceed = false;
	}
	}

	return bClassificationSucceed;
	}


	static bool MatchSrcIpv6Address(struct bcm_classifier_rule *pstClassifierRule,
	struct bcm_ipv6_hdr *pstIpv6Header)
	{
	UINT uiLoopIndex = 0;
	UINT uiIpv6AddIndex = 0;
	UINT uiIpv6AddrNoLongWords = 4;
	ULONG aulSrcIP[4];
	struct bcm_mini_adapter *Adapter = GET_BCM_ADAPTER(gblpnetdev);
	/*
	* This is the no. of Src Addresses ie Range of IP Addresses contained
	* in the classifier rule for which we need to match
	*/
	UINT uiCountIPSrcAddresses = (UINT)pstClassifierRule->ucIPSourceAddressLength;


	if (uiCountIPSrcAddresses == 0)
	return TRUE;


	/* First Convert the Ip Address in the packet to Host Endian order */
	for (uiIpv6AddIndex = 0; uiIpv6AddIndex < uiIpv6AddrNoLongWords; uiIpv6AddIndex++)
	aulSrcIP[uiIpv6AddIndex] = ntohl(pstIpv6Header->ulSrcIpAddress[uiIpv6AddIndex]);

	for (uiLoopIndex = 0; uiLoopIndex < uiCountIPSrcAddresses; uiLoopIndex += uiIpv6AddrNoLongWords) {
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"\n Src Ipv6 Address In Received Packet :\n ");
	DumpIpv6Address(aulSrcIP);
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"\n Src Ipv6 Mask In Classifier Rule:\n");
	DumpIpv6Address(&pstClassifierRule->stSrcIpAddress.ulIpv6Mask[uiLoopIndex]);
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"\n Src Ipv6 Address In Classifier Rule :\n");
	DumpIpv6Address(&pstClassifierRule->stSrcIpAddress.ulIpv6Addr[uiLoopIndex]);

	for (uiIpv6AddIndex = 0; uiIpv6AddIndex < uiIpv6AddrNoLongWords; uiIpv6AddIndex++) {
	if ((pstClassifierRule->stSrcIpAddress.ulIpv6Mask[uiLoopIndex+uiIpv6AddIndex] & aulSrcIP[uiIpv6AddIndex])
	!= pstClassifierRule->stSrcIpAddress.ulIpv6Addr[uiLoopIndex+uiIpv6AddIndex]) {
	/*
	* Match failed for current Ipv6 Address
	* Try next Ipv6 Address
	*/
	break;
	}

	if (uiIpv6AddIndex == uiIpv6AddrNoLongWords-1) {
	/* Match Found */
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL,
	"Ipv6 Src Ip Address Matched\n");
	return TRUE;
	}
	}
	}
	return false;
	}

	static bool MatchDestIpv6Address(struct bcm_classifier_rule *pstClassifierRule,
	struct bcm_ipv6_hdr *pstIpv6Header)
	{
	UINT uiLoopIndex = 0;
	UINT uiIpv6AddIndex = 0;
	UINT uiIpv6AddrNoLongWords = 4;
	ULONG aulDestIP[4];
	struct bcm_mini_adapter *Adapter = GET_BCM_ADAPTER(gblpnetdev);
	/*
	* This is the no. of Destination Addresses
	* ie Range of IP Addresses contained in the classifier rule
	* for which we need to match
	*/
	UINT uiCountIPDestinationAddresses = (UINT)pstClassifierRule->ucIPDestinationAddressLength;


	if (uiCountIPDestinationAddresses == 0)
	return TRUE;


	/* First Convert the Ip Address in the packet to Host Endian order */
	for (uiIpv6AddIndex = 0; uiIpv6AddIndex < uiIpv6AddrNoLongWords; uiIpv6AddIndex++)
	aulDestIP[uiIpv6AddIndex] = ntohl(pstIpv6Header->ulDestIpAddress[uiIpv6AddIndex]);

	for (uiLoopIndex = 0; uiLoopIndex < uiCountIPDestinationAddresses; uiLoopIndex += uiIpv6AddrNoLongWords) {
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"\n Destination Ipv6 Address In Received Packet :\n ");
	DumpIpv6Address(aulDestIP);
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"\n Destination Ipv6 Mask In Classifier Rule :\n");
	DumpIpv6Address(&pstClassifierRule->stDestIpAddress.ulIpv6Mask[uiLoopIndex]);
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"\n Destination Ipv6 Address In Classifier Rule :\n");
	DumpIpv6Address(&pstClassifierRule->stDestIpAddress.ulIpv6Addr[uiLoopIndex]);

	for (uiIpv6AddIndex = 0; uiIpv6AddIndex < uiIpv6AddrNoLongWords; uiIpv6AddIndex++) {
	if ((pstClassifierRule->stDestIpAddress.ulIpv6Mask[uiLoopIndex+uiIpv6AddIndex] & aulDestIP[uiIpv6AddIndex])
	!= pstClassifierRule->stDestIpAddress.ulIpv6Addr[uiLoopIndex+uiIpv6AddIndex]) {
	/*
	* Match failed for current Ipv6 Address.
	* Try next Ipv6 Address
	*/
	break;
	}

	if (uiIpv6AddIndex == uiIpv6AddrNoLongWords-1) {
	/* Match Found */
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG,
	DBG_LVL_ALL,
	"Ipv6 Destination Ip Address Matched\n");
	return TRUE;
	}
	}
	}
	return false;

	}

	VOID DumpIpv6Address(ULONG *puIpv6Address)
	{
	UINT uiIpv6AddrNoLongWords = 4;
	UINT uiIpv6AddIndex = 0;
	struct bcm_mini_adapter *Adapter = GET_BCM_ADAPTER(gblpnetdev);
	for (uiIpv6AddIndex = 0; uiIpv6AddIndex < uiIpv6AddrNoLongWords; uiIpv6AddIndex++) {
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	":%lx", puIpv6Address[uiIpv6AddIndex]);
	}

	}

	static VOID DumpIpv6Header(struct bcm_ipv6_hdr *pstIpv6Header)
	{
	UCHAR ucVersion;
	UCHAR ucPrio;
	struct bcm_mini_adapter *Adapter = GET_BCM_ADAPTER(gblpnetdev);
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"----Ipv6 Header---");
	ucVersion = pstIpv6Header->ucVersionPrio & 0xf0;
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"Version : %x\n", ucVersion);
	ucPrio = pstIpv6Header->ucVersionPrio & 0x0f;
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"Priority : %x\n", ucPrio);
	/*
	* BCM_DEBUG_PRINT( Adapter,DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	* "Flow Label : %x\n",(pstIpv6Header->ucVersionPrio &0xf0);
	*/
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"Payload Length : %x\n",
	ntohs(pstIpv6Header->usPayloadLength));
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"Next Header : %x\n", pstIpv6Header->ucNextHeader);
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"Hop Limit : %x\n", pstIpv6Header->ucHopLimit);
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"Src Address :\n");
	DumpIpv6Address(pstIpv6Header->ulSrcIpAddress);
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"Dest Address :\n");
	DumpIpv6Address(pstIpv6Header->ulDestIpAddress);
	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, IPV6_DBG, DBG_LVL_ALL,
	"----Ipv6 Header End---");


	}