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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
---|---|
2 | /* |
3 | * 25-Jul-1998 Major changes to allow for ip chain table |
4 | * |
5 | * 3-Jan-2000 Named tables to allow packet selection for different uses. |
6 | */ |
7 | |
8 | /* |
9 | * Format of an IP6 firewall descriptor |
10 | * |
11 | * src, dst, src_mask, dst_mask are always stored in network byte order. |
12 | * flags are stored in host byte order (of course). |
13 | * Port numbers are stored in HOST byte order. |
14 | */ |
15 | #ifndef _IP6_TABLES_H |
16 | #define _IP6_TABLES_H |
17 | |
18 | #include <linux/if.h> |
19 | #include <linux/in6.h> |
20 | #include <linux/init.h> |
21 | #include <linux/ipv6.h> |
22 | #include <linux/skbuff.h> |
23 | #include <uapi/linux/netfilter_ipv6/ip6_tables.h> |
24 | |
25 | extern void *ip6t_alloc_initial_table(const struct xt_table *); |
26 | |
27 | int ip6t_register_table(struct net *net, const struct xt_table *table, |
28 | const struct ip6t_replace *repl, |
29 | const struct nf_hook_ops *ops); |
30 | void ip6t_unregister_table_pre_exit(struct net *net, const char *name); |
31 | void ip6t_unregister_table_exit(struct net *net, const char *name); |
32 | extern unsigned int ip6t_do_table(void *priv, struct sk_buff *skb, |
33 | const struct nf_hook_state *state); |
34 | |
35 | #ifdef CONFIG_NETFILTER_XTABLES_COMPAT |
36 | #include <net/compat.h> |
37 | |
38 | struct compat_ip6t_entry { |
39 | struct ip6t_ip6 ipv6; |
40 | compat_uint_t nfcache; |
41 | __u16 target_offset; |
42 | __u16 next_offset; |
43 | compat_uint_t comefrom; |
44 | struct compat_xt_counters counters; |
45 | unsigned char elems[]; |
46 | }; |
47 | |
48 | static inline struct xt_entry_target * |
49 | compat_ip6t_get_target(struct compat_ip6t_entry *e) |
50 | { |
51 | return (void *)e + e->target_offset; |
52 | } |
53 | |
54 | #endif /* CONFIG_COMPAT */ |
55 | #endif /* _IP6_TABLES_H */ |
56 |
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