1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _IP6T_OPTS_H 3 #define _IP6T_OPTS_H 4 5 #include <linux/types.h> 6 7 #define IP6T_OPTS_OPTSNR 16 8 9 struct ip6t_opts { 10 __u32 hdrlen; /* Header Length */ 11 __u8 flags; /* */ 12 __u8 invflags; /* Inverse flags */ 13 __u16 opts[IP6T_OPTS_OPTSNR]; /* opts */ 14 __u8 optsnr; /* Nr of OPts */ 15 }; 16 17 #define IP6T_OPTS_LEN 0x01 18 #define IP6T_OPTS_OPTS 0x02 19 #define IP6T_OPTS_NSTRICT 0x04 20 21 /* Values for "invflags" field in struct ip6t_rt. */ 22 #define IP6T_OPTS_INV_LEN 0x01 /* Invert the sense of length. */ 23 #define IP6T_OPTS_INV_MASK 0x01 /* All possible flags. */ 24 25 #endif /*_IP6T_OPTS_H*/ 26