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authorJan Engelhardt <jengelh@medozas.de>2009-06-17 13:57:48 +0200
committerJan Engelhardt <jengelh@medozas.de>2010-02-10 17:13:33 +0100
commit2b95efe7f6bb750256a702cc32d33b0cb2cd8223 (patch)
tree49ab6f0eb13fe524211f94db29c19827529f49a5 /include/linux/netfilter
parent2b21e051472fdb4680076278b2ccf63ebc1cc3bc (diff)
netfilter: xtables: use xt_table for hook instantiation
The respective xt_table structures already have most of the metadata needed for hook setup. Add a 'priority' field to struct xt_table so that xt_hook_link() can be called with a reduced number of arguments. So should we be having more tables in the future, it comes at no static cost (only runtime, as before) - space saved: 6807373->6806555. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Diffstat (limited to 'include/linux/netfilter')
-rw-r--r--include/linux/netfilter/x_tables.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 365fabe1b16..fdd3342c123 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -361,6 +361,7 @@ struct xt_table {
struct module *me;
u_int8_t af; /* address/protocol family */
+ int priority; /* hook order */
/* A unique name... */
const char name[XT_TABLE_MAXNAMELEN];
@@ -522,6 +523,9 @@ static inline unsigned long ifname_compare_aligned(const char *_a,
return ret;
}
+extern struct nf_hook_ops *xt_hook_link(const struct xt_table *, nf_hookfn *);
+extern void xt_hook_unlink(const struct xt_table *, struct nf_hook_ops *);
+
#ifdef CONFIG_COMPAT
#include <net/compat.h>