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authorJan Engelhardt <jengelh@medozas.de>2008-10-08 11:35:18 +0200
committerPatrick McHardy <kaber@trash.net>2008-10-08 11:35:18 +0200
commit9b4fce7a3508a9776534188b6065b206a9608ccf (patch)
tree7df90f099a72738900deb93124ad86724a2df207 /include
parentf7108a20dee44e5bb037f9e48f6a207b42e6ae1c (diff)
netfilter: xtables: move extension arguments into compound structure (2/6)
This patch does this for match extensions' checkentry functions. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/netfilter/x_tables.h32
1 files changed, 22 insertions, 10 deletions
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index bcd40ec8325..763a704ce83 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -193,6 +193,25 @@ struct xt_match_param {
bool *hotdrop;
};
+/**
+ * struct xt_mtchk_param - parameters for match extensions'
+ * checkentry functions
+ *
+ * @table: table the rule is tried to be inserted into
+ * @entryinfo: the family-specific rule data
+ * (struct ipt_ip, ip6t_ip, ebt_entry)
+ * @match: struct xt_match through which this function was invoked
+ * @matchinfo: per-match data
+ * @hook_mask: via which hooks the new rule is reachable
+ */
+struct xt_mtchk_param {
+ const char *table;
+ const void *entryinfo;
+ const struct xt_match *match;
+ void *matchinfo;
+ unsigned int hook_mask;
+};
+
struct xt_match
{
struct list_head list;
@@ -208,12 +227,7 @@ struct xt_match
const struct xt_match_param *);
/* Called when user tries to insert an entry of this type. */
- /* Should return true or false. */
- bool (*checkentry)(const char *tablename,
- const void *ip,
- const struct xt_match *match,
- void *matchinfo,
- unsigned int hook_mask);
+ bool (*checkentry)(const struct xt_mtchk_param *);
/* Called when entry of this type deleted. */
void (*destroy)(const struct xt_match *match, void *matchinfo);
@@ -342,10 +356,8 @@ extern void xt_unregister_match(struct xt_match *target);
extern int xt_register_matches(struct xt_match *match, unsigned int n);
extern void xt_unregister_matches(struct xt_match *match, unsigned int n);
-extern int xt_check_match(const struct xt_match *match, unsigned short family,
- unsigned int size, const char *table, unsigned int hook,
- unsigned short proto, int inv_proto,
- const void *entry, void *matchinfo);
+extern int xt_check_match(struct xt_mtchk_param *, u_int8_t family,
+ unsigned int size, u_int8_t proto, bool inv_proto);
extern int xt_check_target(const struct xt_target *target, unsigned short family,
unsigned int size, const char *table, unsigned int hook,
unsigned short proto, int inv_proto,