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[NETFILTER]: ip6_tables: add compat support

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Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2007-12-17 21:50:37 -08:00 • committed by David S. Miller
parent d924357c50
commit 3bc3fe5eed
3 changed files with 819 additions and 179 deletions
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35
include/linux/netfilter_ipv6/ip6_tables.h
View file

@ -326,5 +326,40 @@ extern int ip6_masked_addrcmp(const struct in6_addr *addr1,
#define IP6T_ALIGN(s) (((s) + (__alignof__(struct ip6t_entry)-1)) & ~(__alignof__(struct ip6t_entry)-1))
#ifdef CONFIG_COMPAT
#include <net/compat.h>
struct compat_ip6t_entry
{
struct ip6t_ip6 ipv6;
compat_uint_t nfcache;
u_int16_t target_offset;
u_int16_t next_offset;
compat_uint_t comefrom;
struct compat_xt_counters counters;
unsigned char elems[0];
};
static inline struct ip6t_entry_target *
compat_ip6t_get_target(struct compat_ip6t_entry *e)
{
return (void *)e + e->target_offset;
}
#define COMPAT_IP6T_ALIGN(s) COMPAT_XT_ALIGN(s)
/* fn returns 0 to continue iteration */
#define COMPAT_IP6T_MATCH_ITERATE(e, fn, args...) \
XT_MATCH_ITERATE(struct compat_ip6t_entry, e, fn, ## args)
/* fn returns 0 to continue iteration */
#define COMPAT_IP6T_ENTRY_ITERATE(entries, size, fn, args...) \
XT_ENTRY_ITERATE(struct compat_ip6t_entry, entries, size, fn, ## args)
#define COMPAT_IP6T_ENTRY_ITERATE_CONTINUE(entries, size, n, fn, args...) \
XT_ENTRY_ITERATE_CONTINUE(struct compat_ip6t_entry, entries, size, n, \
fn, ## args)
#endif /* CONFIG_COMPAT */
#endif /*__KERNEL__*/
#endif /* _IP6_TABLES_H */