#ifndef _IP6T_FRAG_H#define _IP6T_FRAG_Hstruct ip6t_frag{	u_int32_t ids[2];			/* Security Parameter Index */	u_int32_t hdrlen;			/* Header Length */	u_int8_t  flags;			/*  */	u_int8_t  invflags;			/* Inverse flags */};#define IP6T_FRAG_IDS 		0x01#define IP6T_FRAG_LEN 		0x02#define IP6T_FRAG_RES 		0x04#define IP6T_FRAG_FST 		0x08#define IP6T_FRAG_MF  		0x10#define IP6T_FRAG_NMF  		0x20/* Values for "invflags" field in struct ip6t_frag. */#define IP6T_FRAG_INV_IDS	0x01	/* Invert the sense of ids. */#define IP6T_FRAG_INV_LEN	0x02	/* Invert the sense of length. */#define IP6T_FRAG_INV_MASK	0x03	/* All possible flags. */#define MASK_HOPOPTS    128#define MASK_DSTOPTS    64#define MASK_ROUTING    32#define MASK_FRAGMENT   16#define MASK_AH         8#define MASK_ESP        4#define MASK_NONE       2#define MASK_PROTO      1#endif /*_IP6T_FRAG_H*/