#ifndef INCLUDE_IPv6_H
#define INCLUDE_IPv6_H

/* Include IPv6 Stack definitions */
#include <netIPv6.h>	

#define IP_UDP		IPPROTO_UDP
#define IP_TCP		IPPROTO_TCP
#define IP_ICMPv6	IPPROTO_ICMPv6

#define IP_HLEN				40				/* IP Header Length in bytes			*/
#define IP_MIN_HLEN			40		
#define IP_DEF_VIHL			0x60
#define IP_DEF_TTL			100
#define MAX_IP_OPTLEN		0				/* Max IP Header option field length	*/
#define IP_MAX_HLEN			IP_MIN_HLEN + MAX_IP_OPTLEN

#define IP_DONT_FRAGMENT 	0x4000			/* Don't Fragment Flag			*/
#define IP_FRAGOFF		 	0x1FFF			/* Fragment offset mask			*/
#define IP_MOREFRAGS	 	0x2000			/* More fragments bit			*/

#define	IP_GOOD_CS			0

struct ipv6_frame
{
    uint32         vers_class_flow;   	/* 4 bits Version, 8 Traffic Class, 20 Flow Label. */
    uint16         len;                 /* Zero indicates Jumbo Payload hop-by-hop option. */
//    uint8          next_header;      	/* Values are superset of IPv4's Protocol field. */
    uint8          protocol;	      	/* Values are superset of IPv4's Protocol field. */
    uint8          hop_limit;			/* IP4 TTL equivalent field measured in hops */
    struct         _in6_addr sip;
    struct         _in6_addr dip;
	UINT16	buf_index;
};

#define ip_frame	ipv6_frame

extern INT16 process_ip_in (struct ethernet_frame*);
extern UINT16 ip_checksum (UINT16 cs, UINT8 dat, UINT8 count);
extern UINT32 ip_checksum_buf (UINT16 cs, UINT8* buf, UINT16 len);
extern INT16 process_ip_out(IPv6Addr *, UINT8, UINT8, UINT8, UINT8*, UINT16);


#endif