[NETFILTER]: arp_tables: add compat support

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 22:26:54 -08:00
committed by David S. Miller
parent 11f6dff8af
commit d6a2ba07c3
2 changed files with 738 additions and 75 deletions

View File

@@ -281,5 +281,36 @@ extern unsigned int arpt_do_table(struct sk_buff *skb,
struct arpt_table *table);
#define ARPT_ALIGN(s) XT_ALIGN(s)
#ifdef CONFIG_COMPAT
#include <net/compat.h>
struct compat_arpt_entry
{
struct arpt_arp arp;
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 arpt_entry_target *
compat_arpt_get_target(struct compat_arpt_entry *e)
{
return (void *)e + e->target_offset;
}
#define COMPAT_ARPT_ALIGN(s) COMPAT_XT_ALIGN(s)
/* fn returns 0 to continue iteration */
#define COMPAT_ARPT_ENTRY_ITERATE(entries, size, fn, args...) \
XT_ENTRY_ITERATE(struct compat_arpt_entry, entries, size, fn, ## args)
#define COMPAT_ARPT_ENTRY_ITERATE_CONTINUE(entries, size, n, fn, args...) \
XT_ENTRY_ITERATE_CONTINUE(struct compat_arpt_entry, entries, size, n, \
fn, ## args)
#endif /* CONFIG_COMPAT */
#endif /*__KERNEL__*/
#endif /* _ARPTABLES_H */