/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _XT_POLICY_H
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#define _XT_POLICY_H
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#include <linux/netfilter.h>
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#include <linux/types.h>
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#include <linux/in.h>
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#include <linux/in6.h>
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#define XT_POLICY_MAX_ELEM 4
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enum xt_policy_flags {
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XT_POLICY_MATCH_IN = 0x1,
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XT_POLICY_MATCH_OUT = 0x2,
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XT_POLICY_MATCH_NONE = 0x4,
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XT_POLICY_MATCH_STRICT = 0x8,
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};
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enum xt_policy_modes {
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XT_POLICY_MODE_TRANSPORT,
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XT_POLICY_MODE_TUNNEL
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};
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struct xt_policy_spec {
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__u8 saddr:1,
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daddr:1,
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proto:1,
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mode:1,
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spi:1,
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reqid:1;
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};
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#ifndef __KERNEL__
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union xt_policy_addr {
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struct in_addr a4;
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struct in6_addr a6;
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};
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#endif
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struct xt_policy_elem {
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union {
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#ifdef __KERNEL__
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struct {
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union nf_inet_addr saddr;
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union nf_inet_addr smask;
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union nf_inet_addr daddr;
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union nf_inet_addr dmask;
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};
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#else
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struct {
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union xt_policy_addr saddr;
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union xt_policy_addr smask;
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union xt_policy_addr daddr;
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union xt_policy_addr dmask;
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};
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#endif
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};
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__be32 spi;
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__u32 reqid;
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__u8 proto;
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__u8 mode;
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struct xt_policy_spec match;
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struct xt_policy_spec invert;
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};
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struct xt_policy_info {
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struct xt_policy_elem pol[XT_POLICY_MAX_ELEM];
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__u16 flags;
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__u16 len;
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};
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#endif /* _XT_POLICY_H */
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