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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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