projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * 25-Jul-1998 Major changes to allow for ip chain table | |
| 3 | * | |
| 4 | * 3-Jan-2000 Named tables to allow packet selection for different uses. | |
| 5 | */ | |
| 6 | ||
| 7 | /* | |
| 8 | * Format of an IP6 firewall descriptor | |
| 9 | * | |
| 10 | * src, dst, src_mask, dst_mask are always stored in network byte order. | |
| 11 | * flags are stored in host byte order (of course). | |
| 12 | * Port numbers are stored in HOST byte order. | |
| 13 | */ | |
| 1da177e4 LT |
14 | #ifndef _IP6_TABLES_H |
| 15 | #define _IP6_TABLES_H | |
| 16 | ||
| 1da177e4 | 17 | #include <linux/if.h> |
| 1da177e4 LT |
18 | #include <linux/in6.h> |
| 19 | #include <linux/ipv6.h> | |
| 20 | #include <linux/skbuff.h> | |
| 1da177e4 LT |
21 | |
| 22 | #include <linux/init.h> | |
| ff1e1756 DH |
23 | #include <uapi/linux/netfilter_ipv6/ip6_tables.h> |
| 24 | ||
| 1da177e4 LT |
25 | extern void ip6t_init(void) __init; |
| 26 | ||
| e3eaa991 | 27 | extern void *ip6t_alloc_initial_table(const struct xt_table *); |
| a67dd266 FW |
28 | int ip6t_register_table(struct net *net, const struct xt_table *table, |
| 29 | const struct ip6t_replace *repl, | |
| 30 | const struct nf_hook_ops *ops, struct xt_table **res); | |
| 31 | void ip6t_unregister_table(struct net *net, struct xt_table *table, | |
| 32 | const struct nf_hook_ops *ops); | |
| 3db05fea | 33 | extern unsigned int ip6t_do_table(struct sk_buff *skb, |
| 8f8a3715 | 34 | const struct nf_hook_state *state, |
| e60a13e0 | 35 | struct xt_table *table); |
| 1da177e4 LT |
36 | |
| 37 | /* Check for an extension */ | |
| 95ad2f87 PNA |
38 | static inline int |
| 39 | ip6t_ext_hdr(u8 nexthdr) | |
| 40 | { return (nexthdr == IPPROTO_HOPOPTS) || | |
| 41 | (nexthdr == IPPROTO_ROUTING) || | |
| 42 | (nexthdr == IPPROTO_FRAGMENT) || | |
| 43 | (nexthdr == IPPROTO_ESP) || | |
| 44 | (nexthdr == IPPROTO_AH) || | |
| 45 | (nexthdr == IPPROTO_NONE) || | |
| 46 | (nexthdr == IPPROTO_DSTOPTS); | |
| 47 | } | |
| 48 | ||
| 3bc3fe5e PM |
49 | #ifdef CONFIG_COMPAT |
| 50 | #include <net/compat.h> | |
| 51 | ||
| d94d9fee | 52 | struct compat_ip6t_entry { |
| 3bc3fe5e PM |
53 | struct ip6t_ip6 ipv6; |
| 54 | compat_uint_t nfcache; | |
| 7ff30c43 BH |
55 | __u16 target_offset; |
| 56 | __u16 next_offset; | |
| 3bc3fe5e PM |
57 | compat_uint_t comefrom; |
| 58 | struct compat_xt_counters counters; | |
| 59 | unsigned char elems[0]; | |
| 60 | }; | |
| 61 | ||
| 87a2e70d | 62 | static inline struct xt_entry_target * |
| 3bc3fe5e PM |
63 | compat_ip6t_get_target(struct compat_ip6t_entry *e) |
| 64 | { | |
| 65 | return (void *)e + e->target_offset; | |
| 66 | } | |
| 67 | ||
| 3bc3fe5e | 68 | #endif /* CONFIG_COMPAT */ |
| 1da177e4 | 69 | #endif /* _IP6_TABLES_H */ |