1#ifndef _XT_POLICY_H 2#define _XT_POLICY_H 3 4#include <linux/types.h> 5 6#define XT_POLICY_MAX_ELEM 4 7 8enum xt_policy_flags { 9 XT_POLICY_MATCH_IN = 0x1, 10 XT_POLICY_MATCH_OUT = 0x2, 11 XT_POLICY_MATCH_NONE = 0x4, 12 XT_POLICY_MATCH_STRICT = 0x8, 13}; 14 15enum xt_policy_modes { 16 XT_POLICY_MODE_TRANSPORT, 17 XT_POLICY_MODE_TUNNEL 18}; 19 20struct xt_policy_spec { 21 __u8 saddr:1, 22 daddr:1, 23 proto:1, 24 mode:1, 25 spi:1, 26 reqid:1; 27}; 28 29#ifndef __KERNEL__ 30union xt_policy_addr { 31 struct in_addr a4; 32 struct in6_addr a6; 33}; 34#endif 35 36struct xt_policy_elem { 37 union { 38#ifdef __KERNEL__ 39 struct { 40 union nf_inet_addr saddr; 41 union nf_inet_addr smask; 42 union nf_inet_addr daddr; 43 union nf_inet_addr dmask; 44 }; 45#else 46 struct { 47 union xt_policy_addr saddr; 48 union xt_policy_addr smask; 49 union xt_policy_addr daddr; 50 union xt_policy_addr dmask; 51 }; 52#endif 53 }; 54 __be32 spi; 55 __u32 reqid; 56 __u8 proto; 57 __u8 mode; 58 59 struct xt_policy_spec match; 60 struct xt_policy_spec invert; 61}; 62 63struct xt_policy_info { 64 struct xt_policy_elem pol[XT_POLICY_MAX_ELEM]; 65 __u16 flags; 66 __u16 len; 67}; 68 69#endif /* _XT_POLICY_H */ 70