#ifndef NFTABLES_HEADERS_H

#define NFTABLES_HEADERS_H

#ifndef IPPROTO_UDPLITE

# define IPPROTO_UDPLITE	136

#endif

enum tcp_hdr_flags {

	TCP_FLAG_FIN	= 0x01,

	TCP_FLAG_SYN	= 0x02,

	TCP_FLAG_RST	= 0x04,

	TCP_FLAG_PSH	= 0x08,

	TCP_FLAG_ACK	= 0x10,

	TCP_FLAG_URG	= 0x20,

	TCP_FLAG_ECN	= 0x40,

	TCP_FLAG_CWR	= 0x80,

};

struct ip_auth_hdr {

	uint8_t 	nexthdr;

	uint8_t 	hdrlen;

	uint16_t	reserved;

	uint32_t	spi;

	uint32_t	seq_no;

};

struct ip_esp_hdr {

	uint32_t	spi;

	uint32_t	seq_no;

};

struct ip_comp_hdr {

	uint8_t		nexthdr;

	uint8_t		flags;

	uint16_t	cpi;

};

#ifndef IPPROTO_DCCP

# define IPPROTO_DCCP 33

#endif

enum dccp_pkt_type {

	DCCP_PKT_REQUEST = 0,

	DCCP_PKT_RESPONSE,

	DCCP_PKT_DATA,

	DCCP_PKT_ACK,

	DCCP_PKT_DATAACK,

	DCCP_PKT_CLOSEREQ,

	DCCP_PKT_CLOSE,

	DCCP_PKT_RESET,

	DCCP_PKT_SYNC,

	DCCP_PKT_SYNCACK,

	DCCP_PKT_INVALID,

};

struct dccp_hdr {

	uint16_t	dccph_sport,

			dccph_dport;

	uint8_t		dccph_doff;

	uint8_t		dccph_ccval:4,

			dccph_cscov:4;

	uint16_t	dccph_checksum;

	uint8_t		dccph_reserved:3,

			dccph_type:4,

			dccph_x:1;

	uint8_t		dccph_seq2;

	uint16_t	dccph_seq;

};

#ifndef IPPROTO_SCTP

# define IPPROTO_SCTP 132

#endif

struct sctphdr {

	uint16_t	source;

	uint16_t	dest;

	uint32_t	vtag;

	uint32_t	checksum;

};

struct arp_hdr {

	uint16_t	htype;

	uint16_t	ptype;

	uint8_t		hlen;

	uint8_t		plen;

	uint16_t	oper;

	uint8_t		sha[6];

	uint32_t	spa;

	uint8_t		tha[6];

	uint32_t	tpa;

} __attribute__((__packed__));

struct ipv6hdr {

	uint8_t		version:4,

			priority:4;

	uint8_t		flow_lbl[3];

	uint16_t	payload_len;

	uint8_t		nexthdr;

	uint8_t		hop_limit;

	struct in6_addr	saddr;

	struct in6_addr	daddr;

};

struct vlan_hdr {

	uint16_t	vlan_id:12,

			vlan_cfi:1,

			vlan_pcp:3;

	uint16_t	vlan_type;

};

#ifndef IPPROTO_MH

# define IPPROTO_MH 135

#endif

struct ip6_mh {

	uint8_t		ip6mh_proto;

	uint8_t		ip6mh_hdrlen;

	uint8_t		ip6mh_type;

	uint8_t		ip6mh_reserved;

	uint16_t	ip6mh_cksum;

	/* Followed by type specific messages */

	uint8_t		data[0];

};

/* Type 4 Routing header - well known as srh */

struct ip6_rt4 {

	uint8_t		ip6r4_nxt;		/* next header			*/

	uint8_t		ip6r4_len;		/* length in units of 8 octets	*/

	uint8_t		ip6r4_type;		/* always zero			*/

	uint8_t		ip6r4_segleft;		/* segments left		*/

	uint8_t		ip6r4_last_entry;	/* last entry			*/

	uint8_t		ip6r4_flags;		/* flags			*/

	uint16_t	ip6r4_tag;		/* tag				*/

	struct in6_addr	ip6r4_segments[0];	/* SID list			*/

};

/* RFC 3775 */

#define IP6_MH_TYPE_BRR		0	/* Binding Refresh Request	*/

#define IP6_MH_TYPE_HOTI	1	/* HOTI Message			*/

#define IP6_MH_TYPE_COTI	2	/* COTI Message			*/

#define IP6_MH_TYPE_HOT		3	/* HOT Message			*/

#define IP6_MH_TYPE_COT		4	/* COT Message			*/

#define IP6_MH_TYPE_BU		5	/* Binding Update		*/

#define IP6_MH_TYPE_BACK	6	/* Binding ACK			*/

#define IP6_MH_TYPE_BERROR	7	/* Binding Error		*/

/* RFC 4068 */

#define IP6_MH_TYPE_FBU		8	/* Fast Binding Update		*/

#define IP6_MH_TYPE_FBACK	9	/* Fast Binding ACK		*/

#define IP6_MH_TYPE_FNA		10	/* Fast Binding Advertisement	*/

/* RFC 5096 */

#define IP6_MH_TYPE_EMH		11	/* Experimental Mobility Header	*/

/* RFC 5142 */

#define IP6_MH_TYPE_HASM	12	/* Home Agent Switch Message	*/

#endif /* NFTABLES_HEADERS_H */