X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fnetfilter%2Fxt_limit.c;h=c908d69a559585963108890d910946e1fb634fe4;hb=4777e4e6b8540ee4226876a737833d03bbc55394;hp=4fcca797150f75d7fc673196476ff101dfeecb05;hpb=50b65cc6fa3a69bdfbc8b3342d8ca6ddbbf5ec88;p=linux-2.6-omap-h63xx.git

diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c
index 4fcca797150..c908d69a559 100644
--- a/net/netfilter/xt_limit.c
+++ b/net/netfilter/xt_limit.c
@@ -1,5 +1,5 @@
-/* (C) 1999 Jérôme de Vivie <devivie@info.enserb.u-bordeaux.fr>
- * (C) 1999 Hervé Eychenne <eychenne@info.enserb.u-bordeaux.fr>
+/* (C) 1999 Jérôme de Vivie <devivie@info.enserb.u-bordeaux.fr>
+ * (C) 1999 Hervé Eychenne <eychenne@info.enserb.u-bordeaux.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -16,7 +16,7 @@
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Herve Eychenne <rv@wallfire.org>");
-MODULE_DESCRIPTION("iptables rate limit match");
+MODULE_DESCRIPTION("Xtables: rate-limit match");
 MODULE_ALIAS("ipt_limit");
 MODULE_ALIAS("ip6t_limit");
 
@@ -58,17 +58,10 @@ static DEFINE_SPINLOCK(limit_lock);
 #define CREDITS_PER_JIFFY POW2_BELOW32(MAX_CPJ)
 
 static bool
-ipt_limit_match(const struct sk_buff *skb,
-		const struct net_device *in,
-		const struct net_device *out,
-		const struct xt_match *match,
-		const void *matchinfo,
-		int offset,
-		unsigned int protoff,
-		bool *hotdrop)
+limit_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 {
 	struct xt_rateinfo *r =
-		((const struct xt_rateinfo *)matchinfo)->master;
+		((const struct xt_rateinfo *)par->matchinfo)->master;
 	unsigned long now = jiffies;
 
 	spin_lock_bh(&limit_lock);
@@ -99,14 +92,9 @@ user2credits(u_int32_t user)
 	return (user * HZ * CREDITS_PER_JIFFY) / XT_LIMIT_SCALE;
 }
 
-static bool
-ipt_limit_checkentry(const char *tablename,
-		     const void *inf,
-		     const struct xt_match *match,
-		     void *matchinfo,
-		     unsigned int hook_mask)
+static bool limit_mt_check(const struct xt_mtchk_param *par)
 {
-	struct xt_rateinfo *r = matchinfo;
+	struct xt_rateinfo *r = par->matchinfo;
 
 	/* Check for overflow. */
 	if (r->burst == 0
@@ -143,7 +131,7 @@ struct compat_xt_rateinfo {
 
 /* To keep the full "prev" timestamp, the upper 32 bits are stored in the
  * master pointer, which does not need to be preserved. */
-static void compat_from_user(void *dst, void *src)
+static void limit_mt_compat_from_user(void *dst, void *src)
 {
 	const struct compat_xt_rateinfo *cm = src;
 	struct xt_rateinfo m = {
@@ -157,7 +145,7 @@ static void compat_from_user(void *dst, void *src)
 	memcpy(dst, &m, sizeof(m));
 }
 
-static int compat_to_user(void __user *dst, void *src)
+static int limit_mt_compat_to_user(void __user *dst, void *src)
 {
 	const struct xt_rateinfo *m = src;
 	struct compat_xt_rateinfo cm = {
@@ -173,39 +161,30 @@ static int compat_to_user(void __user *dst, void *src)
 }
 #endif /* CONFIG_COMPAT */
 
-static struct xt_match xt_limit_match[] __read_mostly = {
-	{
-		.name		= "limit",
-		.family		= AF_INET,
-		.checkentry	= ipt_limit_checkentry,
-		.match		= ipt_limit_match,
-		.matchsize	= sizeof(struct xt_rateinfo),
+static struct xt_match limit_mt_reg __read_mostly = {
+	.name             = "limit",
+	.revision         = 0,
+	.family           = NFPROTO_UNSPEC,
+	.match            = limit_mt,
+	.checkentry       = limit_mt_check,
+	.matchsize        = sizeof(struct xt_rateinfo),
 #ifdef CONFIG_COMPAT
-		.compatsize	= sizeof(struct compat_xt_rateinfo),
-		.compat_from_user = compat_from_user,
-		.compat_to_user	= compat_to_user,
+	.compatsize       = sizeof(struct compat_xt_rateinfo),
+	.compat_from_user = limit_mt_compat_from_user,
+	.compat_to_user   = limit_mt_compat_to_user,
 #endif
-		.me		= THIS_MODULE,
-	},
-	{
-		.name		= "limit",
-		.family		= AF_INET6,
-		.checkentry	= ipt_limit_checkentry,
-		.match		= ipt_limit_match,
-		.matchsize	= sizeof(struct xt_rateinfo),
-		.me		= THIS_MODULE,
-	},
+	.me               = THIS_MODULE,
 };
 
-static int __init xt_limit_init(void)
+static int __init limit_mt_init(void)
 {
-	return xt_register_matches(xt_limit_match, ARRAY_SIZE(xt_limit_match));
+	return xt_register_match(&limit_mt_reg);
 }
 
-static void __exit xt_limit_fini(void)
+static void __exit limit_mt_exit(void)
 {
-	xt_unregister_matches(xt_limit_match, ARRAY_SIZE(xt_limit_match));
+	xt_unregister_match(&limit_mt_reg);
 }
 
-module_init(xt_limit_init);
-module_exit(xt_limit_fini);
+module_init(limit_mt_init);
+module_exit(limit_mt_exit);