From 9b4fce7a3508a9776534188b6065b206a9608ccf Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Wed, 8 Oct 2008 11:35:18 +0200 Subject: netfilter: xtables: move extension arguments into compound structure (2/6) This patch does this for match extensions' checkentry functions. Signed-off-by: Jan Engelhardt Signed-off-by: Patrick McHardy --- include/linux/netfilter/x_tables.h | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) (limited to 'include/linux/netfilter') 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, -- cgit v1.2.3