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| 1 | /* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */ |
|---|---|
| 2 | /* Header file for kernel module to match connection tracking information. |
| 3 | * GPL (C) 2001 Marc Boucher (marc@mbsi.ca). |
| 4 | */ |
| 5 | |
| 6 | #ifndef _XT_CONNTRACK_H |
| 7 | #define _XT_CONNTRACK_H |
| 8 | |
| 9 | #include <linux/types.h> |
| 10 | #include <linux/netfilter.h> |
| 11 | #include <linux/netfilter/nf_conntrack_tuple_common.h> |
| 12 | |
| 13 | #define XT_CONNTRACK_STATE_BIT(ctinfo) (1 << ((ctinfo)%IP_CT_IS_REPLY+1)) |
| 14 | #define XT_CONNTRACK_STATE_INVALID (1 << 0) |
| 15 | |
| 16 | #define XT_CONNTRACK_STATE_SNAT (1 << (IP_CT_NUMBER + 1)) |
| 17 | #define XT_CONNTRACK_STATE_DNAT (1 << (IP_CT_NUMBER + 2)) |
| 18 | #define XT_CONNTRACK_STATE_UNTRACKED (1 << (IP_CT_NUMBER + 3)) |
| 19 | |
| 20 | /* flags, invflags: */ |
| 21 | enum { |
| 22 | XT_CONNTRACK_STATE = 1 << 0, |
| 23 | XT_CONNTRACK_PROTO = 1 << 1, |
| 24 | XT_CONNTRACK_ORIGSRC = 1 << 2, |
| 25 | XT_CONNTRACK_ORIGDST = 1 << 3, |
| 26 | XT_CONNTRACK_REPLSRC = 1 << 4, |
| 27 | XT_CONNTRACK_REPLDST = 1 << 5, |
| 28 | XT_CONNTRACK_STATUS = 1 << 6, |
| 29 | XT_CONNTRACK_EXPIRES = 1 << 7, |
| 30 | XT_CONNTRACK_ORIGSRC_PORT = 1 << 8, |
| 31 | XT_CONNTRACK_ORIGDST_PORT = 1 << 9, |
| 32 | XT_CONNTRACK_REPLSRC_PORT = 1 << 10, |
| 33 | XT_CONNTRACK_REPLDST_PORT = 1 << 11, |
| 34 | XT_CONNTRACK_DIRECTION = 1 << 12, |
| 35 | XT_CONNTRACK_STATE_ALIAS = 1 << 13, |
| 36 | }; |
| 37 | |
| 38 | struct xt_conntrack_mtinfo1 { |
| 39 | union nf_inet_addr origsrc_addr, origsrc_mask; |
| 40 | union nf_inet_addr origdst_addr, origdst_mask; |
| 41 | union nf_inet_addr replsrc_addr, replsrc_mask; |
| 42 | union nf_inet_addr repldst_addr, repldst_mask; |
| 43 | __u32 expires_min, expires_max; |
| 44 | __u16 l4proto; |
| 45 | __be16 origsrc_port, origdst_port; |
| 46 | __be16 replsrc_port, repldst_port; |
| 47 | __u16 match_flags, invert_flags; |
| 48 | __u8 state_mask, status_mask; |
| 49 | }; |
| 50 | |
| 51 | struct xt_conntrack_mtinfo2 { |
| 52 | union nf_inet_addr origsrc_addr, origsrc_mask; |
| 53 | union nf_inet_addr origdst_addr, origdst_mask; |
| 54 | union nf_inet_addr replsrc_addr, replsrc_mask; |
| 55 | union nf_inet_addr repldst_addr, repldst_mask; |
| 56 | __u32 expires_min, expires_max; |
| 57 | __u16 l4proto; |
| 58 | __be16 origsrc_port, origdst_port; |
| 59 | __be16 replsrc_port, repldst_port; |
| 60 | __u16 match_flags, invert_flags; |
| 61 | __u16 state_mask, status_mask; |
| 62 | }; |
| 63 | |
| 64 | struct xt_conntrack_mtinfo3 { |
| 65 | union nf_inet_addr origsrc_addr, origsrc_mask; |
| 66 | union nf_inet_addr origdst_addr, origdst_mask; |
| 67 | union nf_inet_addr replsrc_addr, replsrc_mask; |
| 68 | union nf_inet_addr repldst_addr, repldst_mask; |
| 69 | __u32 expires_min, expires_max; |
| 70 | __u16 l4proto; |
| 71 | __u16 origsrc_port, origdst_port; |
| 72 | __u16 replsrc_port, repldst_port; |
| 73 | __u16 match_flags, invert_flags; |
| 74 | __u16 state_mask, status_mask; |
| 75 | __u16 origsrc_port_high, origdst_port_high; |
| 76 | __u16 replsrc_port_high, repldst_port_high; |
| 77 | }; |
| 78 | |
| 79 | #endif /*_XT_CONNTRACK_H*/ |
| 80 |
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