: Netfilter Update for 2.6.19

new file mode 100644
index 0000000..1da61e6
@@ -0,0 +1,23 @@
+/* x_tables module for matching the IPv4/IPv6 DSCP field
+ *
+ * (C) 2002 Harald Welte <[email protected]>
+ * This software is distributed under GNU GPL v2, 1991
+ *
+ * See RFC2474 for a description of the DSCP field within the IP Header.
+ *
+ * xt_dscp.h,v 1.3 2002/08/05 19:00:21 laforge Exp
+*/
+#ifndef _XT_DSCP_H
+#define _XT_DSCP_H
+
+#define XT_DSCP_MASK	0xfc	/* 11111100 */
+#define XT_DSCP_SHIFT	2
+#define XT_DSCP_MAX	0x3f	/* 00111111 */
+
+/* match info */
+struct xt_dscp_info {
+	u_int8_t dscp;
+	u_int8_t invert;
+};
+
+#endif /* _XT_DSCP_H */

index 2fa6dfe..4b82ca9 100644
@@ -10,14 +10,12 @@
 #ifndef _IPT_DSCP_H
 #define _IPT_DSCP_H
 
-#define IPT_DSCP_MASK	0xfc	/* 11111100 */
-#define IPT_DSCP_SHIFT	2
-#define IPT_DSCP_MAX	0x3f	/* 00111111 */
+#include <linux/netfilter/xt_dscp.h>
 
-/* match info */
-struct ipt_dscp_info {
-	u_int8_t dscp;
-	u_int8_t invert;
-};
+#define IPT_DSCP_MASK	XT_DSCP_MASK
+#define IPT_DSCP_SHIFT	XT_DSCP_SHIFT
+#define IPT_DSCP_MAX	XT_DSCP_MAX
+
+#define ipt_dscp_info	xt_dscp_info
 
 #endif /* _IPT_DSCP_H */

54 lines not on this page · raw message

113 lines not on this page · raw message

new file mode 100644
index 0000000..3c7c963
@@ -0,0 +1,20 @@
+/* x_tables module for setting the IPv4/IPv6 DSCP field
+ *
+ * (C) 2002 Harald Welte <[email protected]>
+ * based on ipt_FTOS.c (C) 2000 by Matthew G. Marsh <[email protected]>
+ * This software is distributed under GNU GPL v2, 1991
+ *
+ * See RFC2474 for a description of the DSCP field within the IP Header.
+ *
+ * xt_DSCP.h,v 1.7 2002/03/14 12:03:13 laforge Exp
+*/
+#ifndef _XT_DSCP_TARGET_H
+#define _XT_DSCP_TARGET_H
+#include <linux/netfilter/xt_dscp.h>
+
+/* target info */
+struct xt_DSCP_info {
+	u_int8_t dscp;
+};
+
+#endif /* _XT_DSCP_TARGET_H */

index b30f510..3491e52 100644
@@ -11,10 +11,8 @@
 #ifndef _IPT_DSCP_TARGET_H
 #define _IPT_DSCP_TARGET_H
 #include <linux/netfilter_ipv4/ipt_dscp.h>
+#include <linux/netfilter/xt_DSCP.h>
 
-/* target info */
-struct ipt_DSCP_info {
-	u_int8_t dscp;
-};
+#define ipt_DSCP_info xt_DSCP_info
 
 #endif /* _IPT_DSCP_TARGET_H */

96 lines not on this page · raw message

130 lines not on this page · raw message

index 61a2139..682c094 100644
@@ -35,14 +35,20 @@ static unsigned int ip_list_tot = 100;
 static unsigned int ip_pkt_list_tot = 20;
 static unsigned int ip_list_hash_size = 0;
 static unsigned int ip_list_perms = 0644;
+static unsigned int ip_list_uid = 0;
+static unsigned int ip_list_gid = 0;
 module_param(ip_list_tot, uint, 0400);
 module_param(ip_pkt_list_tot, uint, 0400);
 module_param(ip_list_hash_size, uint, 0400);
 module_param(ip_list_perms, uint, 0400);
+module_param(ip_list_uid, uint, 0400);
+module_param(ip_list_gid, uint, 0400);
 MODULE_PARM_DESC(ip_list_tot, "number of IPs to remember per list");
 MODULE_PARM_DESC(ip_pkt_list_tot, "number of packets per IP to remember (max. 255)");
 MODULE_PARM_DESC(ip_list_hash_size, "size of hash table used to look up IPs");
 MODULE_PARM_DESC(ip_list_perms, "permissions on /proc/net/ipt_recent/* files");
+MODULE_PARM_DESC(ip_list_uid,"owner of /proc/net/ipt_recent/* files");
+MODULE_PARM_DESC(ip_list_gid,"owning group of /proc/net/ipt_recent/* files");
 
 
 struct recent_entry {

@@ -274,6 +280,8 @@ #ifdef CONFIG_PROC_FS
 		goto out;
 	}
 	t->proc->proc_fops = &recent_fops;
+	t->proc->uid       = ip_list_uid;
+	t->proc->gid       = ip_list_gid;
 	t->proc->data      = t;
 #endif
 	spin_lock_bh(&recent_lock);

index d2e4bd7..9e0dae0 100644
@@ -125,6 +125,10 @@ enum ip_conntrack_events
 	/* Counter highest bit has been set */
 	IPCT_COUNTER_FILLING_BIT = 11,
 	IPCT_COUNTER_FILLING = (1 << IPCT_COUNTER_FILLING_BIT),
+
+	/* Mark is set */
+	IPCT_MARK_BIT = 12,
+	IPCT_MARK = (1 << IPCT_MARK_BIT),
 };
 
 enum ip_conntrack_expect_events {

index 60c375d..784482b 100644
@@ -52,13 +52,25 @@ target(struct sk_buff **pskb,
 	    switch(markinfo->mode) {
 	    case XT_CONNMARK_SET:
 		newmark = (*ctmark & ~markinfo->mask) | markinfo->mark;
-		if (newmark != *ctmark)
+		if (newmark != *ctmark) {
 		    *ctmark = newmark;
+#ifdef CONFIG_IP_NF_CONNTRACK_EVENTS
+		    ip_conntrack_event_cache(IPCT_MARK, *pskb);
+#else
+		    nf_conntrack_event_cache(IPCT_MARK, *pskb);
+#endif
+		}
 		break;
 	    case XT_CONNMARK_SAVE:
 		newmark = (*ctmark & ~markinfo->mask) | ((*pskb)->nfmark & markinfo->mask);
-		if (*ctmark != newmark)
+		if (*ctmark != newmark) {
 		    *ctmark = newmark;
+#ifdef CONFIG_IP_NF_CONNTRACK_EVENTS
+		    ip_conntrack_event_cache(IPCT_MARK, *pskb);
+#else
+		    nf_conntrack_event_cache(IPCT_MARK, *pskb);
+#endif
+		}
 		break;
 	    case XT_CONNMARK_RESTORE:
 		nfmark = (*pskb)->nfmark;

index 33891bb..319022e 100644
@@ -385,6 +385,10 @@ static int ctnetlink_conntrack_event(str
 	    ctnetlink_dump_counters(skb, ct, IP_CT_DIR_REPLY) < 0)
 		goto nfattr_failure;
 
+	if (events & IPCT_MARK
+	    && ctnetlink_dump_mark(skb, ct) < 0)
+		goto nfattr_failure;
+
 	nlh->nlmsg_len = skb->tail - b;
 	nfnetlink_send(skb, 0, group, 0);
 	return NOTIFY_DONE;

index af48459..ed8268a 100644
@@ -395,6 +395,10 @@ static int ctnetlink_conntrack_event(str
 	    ctnetlink_dump_counters(skb, ct, IP_CT_DIR_REPLY) < 0)
 		goto nfattr_failure;
 
+	if (events & IPCT_MARK
+	    && ctnetlink_dump_mark(skb, ct) < 0)
+		goto nfattr_failure;
+
 	nlh->nlmsg_len = skb->tail - b;
 	nfnetlink_send(skb, 0, group, 0);
 	return NOTIFY_DONE;

index 319022e..090df76 100644
@@ -1260,6 +1260,9 @@ static int ctnetlink_expect_event(struct
 	} else
 		return NOTIFY_DONE;
 
+	if (!nfnetlink_has_listeners(NFNLGRP_CONNTRACK_EXP_NEW))
+		return NOTIFY_DONE;
+
 	skb = alloc_skb(NLMSG_GOODSIZE, GFP_ATOMIC);
 	if (!skb)
 		return NOTIFY_DONE;

index ed8268a..81bcbe8 100644
@@ -1281,6 +1281,9 @@ static int ctnetlink_expect_event(struct
 	} else
 		return NOTIFY_DONE;
 
+	if (!nfnetlink_has_listeners(NFNLGRP_CONNTRACK_EXP_NEW))
+		return NOTIFY_DONE;
+
 	skb = alloc_skb(NLMSG_GOODSIZE, GFP_ATOMIC);
 	if (!skb)
 		return NOTIFY_DONE;

index 090df76..194158e 100644
@@ -329,11 +329,7 @@ static int ctnetlink_conntrack_event(str
 		/* dump everything */
 		events = ~0UL;
 		group = NFNLGRP_CONNTRACK_NEW;
-	} else if (events & (IPCT_STATUS |
-		      IPCT_PROTOINFO |
-		      IPCT_HELPER |
-		      IPCT_HELPINFO |
-		      IPCT_NATINFO)) {
+	} else if (events & (IPCT_STATUS | IPCT_PROTOINFO)) {
 		type = IPCTNL_MSG_CT_NEW;
 		group = NFNLGRP_CONNTRACK_UPDATE;
 	} else 

index 81bcbe8..b5ed955 100644
@@ -339,11 +339,7 @@ static int ctnetlink_conntrack_event(str
 		/* dump everything */
 		events = ~0UL;
 		group = NFNLGRP_CONNTRACK_NEW;
-	} else  if (events & (IPCT_STATUS |
-		      IPCT_PROTOINFO |
-		      IPCT_HELPER |
-		      IPCT_HELPINFO |
-		      IPCT_NATINFO)) {
+	} else  if (events & (IPCT_STATUS | IPCT_PROTOINFO)) {
 		type = IPCTNL_MSG_CT_NEW;
 		group = NFNLGRP_CONNTRACK_UPDATE;
 	} else

index eddfbe4..8eb2473 100644
@@ -584,7 +584,7 @@ nfqnl_enqueue_packet(struct sk_buff *skb
                 queue->queue_dropped++;
 		status = -ENOSPC;
 		if (net_ratelimit())
-		          printk(KERN_WARNING "ip_queue: full at %d entries, "
+		          printk(KERN_WARNING "nf_queue: full at %d entries, "
 				 "dropping packets(s). Dropped: %d\n", 
 				 queue->queue_total, queue->queue_dropped);
 		goto err_out_free_nskb;

@@ -635,7 +635,7 @@ nfqnl_mangle(void *data, int data_len, s
 			                         diff,
 			                         GFP_ATOMIC);
 			if (newskb == NULL) {
-				printk(KERN_WARNING "ip_queue: OOM "
+				printk(KERN_WARNING "nf_queue: OOM "
 				      "in mangle, dropping packet\n");
 				return -ENOMEM;
 			}

index 35916c7..7e30e6d 100644
@@ -27,22 +27,18 @@ MODULE_DESCRIPTION("iptables ECN modific
 static inline int
 set_ect_ip(struct sk_buff **pskb, const struct ipt_ECN_info *einfo)
 {
-	if (((*pskb)->nh.iph->tos & IPT_ECN_IP_MASK)
-	    != (einfo->ip_ect & IPT_ECN_IP_MASK)) {
-		u_int16_t diffs[2];
+	struct iphdr *iph = (*pskb)->nh.iph;
+	u_int16_t oldtos;
 
+	if ((iph->tos & IPT_ECN_IP_MASK) != (einfo->ip_ect & IPT_ECN_IP_MASK)) {
 		if (!skb_make_writable(pskb, sizeof(struct iphdr)))
 			return 0;
-
-		diffs[0] = htons((*pskb)->nh.iph->tos) ^ 0xFFFF;
-		(*pskb)->nh.iph->tos &= ~IPT_ECN_IP_MASK;
-		(*pskb)->nh.iph->tos |= (einfo->ip_ect & IPT_ECN_IP_MASK);
-		diffs[1] = htons((*pskb)->nh.iph->tos);
-		(*pskb)->nh.iph->check
-			= csum_fold(csum_partial((char *)diffs,
-						 sizeof(diffs),
-						 (*pskb)->nh.iph->check
-						 ^0xFFFF));
+		iph = (*pskb)->nh.iph;
+		oldtos = iph->tos;
+		iph->tos &= ~IPT_ECN_IP_MASK;
+		iph->tos |= (einfo->ip_ect & IPT_ECN_IP_MASK);
+		iph->check = nf_csum_update(oldtos ^ 0xFFFF, iph->tos,
+					    iph->check);
 	} 
 	return 1;
 }

index 1c7a5ca..52e9d70 100644
@@ -30,23 +30,17 @@ target(struct sk_buff **pskb,
        void *userinfo)
 {
 	const struct ipt_tos_target_info *tosinfo = targinfo;
+	struct iphdr *iph = (*pskb)->nh.iph;
+	u_int16_t oldtos;
 
-	if (((*pskb)->nh.iph->tos & IPTOS_TOS_MASK) != tosinfo->tos) {
-		u_int16_t diffs[2];
-
+	if ((iph->tos & IPTOS_TOS_MASK) != tosinfo->tos) {
 		if (!skb_make_writable(pskb, sizeof(struct iphdr)))
 			return NF_DROP;
-
-		diffs[0] = htons((*pskb)->nh.iph->tos) ^ 0xFFFF;
-		(*pskb)->nh.iph->tos
-			= ((*pskb)->nh.iph->tos & IPTOS_PREC_MASK)
-			| tosinfo->tos;
-		diffs[1] = htons((*pskb)->nh.iph->tos);
-		(*pskb)->nh.iph->check
-			= csum_fold(csum_partial((char *)diffs,
-						 sizeof(diffs),
-						 (*pskb)->nh.iph->check
-						 ^0xFFFF));
+		iph = (*pskb)->nh.iph;
+		oldtos = iph->tos;
+		iph->tos = (iph->tos & IPTOS_PREC_MASK) | tosinfo->tos;
+		iph->check = nf_csum_update(oldtos ^ 0xFFFF, iph->tos,
+					    iph->check);
 	}
 	return IPT_CONTINUE;
 }

index f48892a..2afb2a8 100644
@@ -27,7 +27,6 @@ ipt_ttl_target(struct sk_buff **pskb,
 {
 	struct iphdr *iph;
 	const struct ipt_TTL_info *info = targinfo;
-	u_int16_t diffs[2];
 	int new_ttl;
 
 	if (!skb_make_writable(pskb, (*pskb)->len))

@@ -55,12 +54,10 @@ ipt_ttl_target(struct sk_buff **pskb,
 	}
 
 	if (new_ttl != iph->ttl) {
-		diffs[0] = htons(((unsigned)iph->ttl) << 8) ^ 0xFFFF;
+		iph->check = nf_csum_update((iph->ttl << 8) ^ 0xFFFF,
+					    new_ttl << 8,
+					    iph->check);
 		iph->ttl = new_ttl;
-		diffs[1] = htons(((unsigned)iph->ttl) << 8);
-		iph->check = csum_fold(csum_partial((char *)diffs,
-						    sizeof(diffs),
-						    iph->check^0xFFFF));
 	}
 
 	return IPT_CONTINUE;

index 784482b..19989a9 100644
@@ -49,36 +49,37 @@ target(struct sk_buff **pskb,
 	u_int32_t *ctmark = nf_ct_get_mark(*pskb, &ctinfo);
 
 	if (ctmark) {
-	    switch(markinfo->mode) {
-	    case XT_CONNMARK_SET:
-		newmark = (*ctmark & ~markinfo->mask) | markinfo->mark;
-		if (newmark != *ctmark) {
-		    *ctmark = newmark;
+		switch(markinfo->mode) {
+		case XT_CONNMARK_SET:
+			newmark = (*ctmark & ~markinfo->mask) | markinfo->mark;
+			if (newmark != *ctmark) {
+				*ctmark = newmark;
 #ifdef CONFIG_IP_NF_CONNTRACK_EVENTS
-		    ip_conntrack_event_cache(IPCT_MARK, *pskb);
+				ip_conntrack_event_cache(IPCT_MARK, *pskb);
 #else
-		    nf_conntrack_event_cache(IPCT_MARK, *pskb);
+				nf_conntrack_event_cache(IPCT_MARK, *pskb);
 #endif
 		}
-		break;
-	    case XT_CONNMARK_SAVE:
-		newmark = (*ctmark & ~markinfo->mask) | ((*pskb)->nfmark & markinfo->mask);
-		if (*ctmark != newmark) {
-		    *ctmark = newmark;
+			break;
+		case XT_CONNMARK_SAVE:
+			newmark = (*ctmark & ~markinfo->mask) |
+				  ((*pskb)->nfmark & markinfo->mask);
+			if (*ctmark != newmark) {
+				*ctmark = newmark;
 #ifdef CONFIG_IP_NF_CONNTRACK_EVENTS
-		    ip_conntrack_event_cache(IPCT_MARK, *pskb);
+				ip_conntrack_event_cache(IPCT_MARK, *pskb);
 #else
-		    nf_conntrack_event_cache(IPCT_MARK, *pskb);
+				nf_conntrack_event_cache(IPCT_MARK, *pskb);
 #endif
+			}
+			break;
+		case XT_CONNMARK_RESTORE:
+			nfmark = (*pskb)->nfmark;
+			diff = (*ctmark ^ nfmark) & markinfo->mask;
+			if (diff != 0)
+				(*pskb)->nfmark = nfmark ^ diff;
+			break;
 		}
-		break;
-	    case XT_CONNMARK_RESTORE:
-		nfmark = (*pskb)->nfmark;
-		diff = (*ctmark ^ nfmark) & markinfo->mask;
-		if (diff != 0)
-		    (*pskb)->nfmark = nfmark ^ diff;
-		break;
-	    }
 	}
 
 	return XT_CONTINUE;

@@ -95,17 +96,17 @@ checkentry(const char *tablename,
 	struct xt_connmark_target_info *matchinfo = targinfo;
 
 	if (matchinfo->mode == XT_CONNMARK_RESTORE) {
-	    if (strcmp(tablename, "mangle") != 0) {
-		    printk(KERN_WARNING "CONNMARK: restore can only be called from \"mangle\" table, not \"%s\"\n", tablename);
-		    return 0;
-	    }
+		if (strcmp(tablename, "mangle") != 0) {
+			printk(KERN_WARNING "CONNMARK: restore can only be "
+			       "called from \"mangle\" table, not \"%s\"\n",
+			       tablename);
+			return 0;
+		}
 	}
-
 	if (matchinfo->mark > 0xffffffff || matchinfo->mask > 0xffffffff) {
 		printk(KERN_WARNING "CONNMARK: Only supports 32bit mark\n");
 		return 0;
 	}
-
 	return 1;
 }
 

index 48cc32d..9a99124 100644
@@ -290,8 +290,13 @@ struct xt_table_info
 
 extern int xt_register_target(struct xt_target *target);
 extern void xt_unregister_target(struct xt_target *target);
+extern int xt_register_targets(struct xt_target *target, unsigned int n);
+extern void xt_unregister_targets(struct xt_target *target, unsigned int n);
+
 extern int xt_register_match(struct xt_match *target);
 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,

72 lines not on this page · raw message

index c4eba1a..7929ff4 100644
@@ -257,9 +257,7 @@ static struct ip6t_target ip6t_reject_re
 
 static int __init ip6t_reject_init(void)
 {
-	if (ip6t_register_target(&ip6t_reject_reg))
-		return -EINVAL;
-	return 0;
+	return ip6t_register_target(&ip6t_reject_reg);
 }
 
 static void __exit ip6t_reject_fini(void)

74 lines not on this page · raw message

66 lines not on this page · raw message

72 lines not on this page · raw message

65 lines not on this page · raw message

98 lines not on this page · raw message

82 lines not on this page · raw message

61 lines not on this page · raw message

69 lines not on this page · raw message

59 lines not on this page · raw message

61 lines not on this page · raw message

68 lines not on this page · raw message

index 145489a..1540885 100644
@@ -241,11 +241,8 @@ static struct xt_match conntrack_match =
 
 static int __init xt_conntrack_init(void)
 {
-	int ret;
 	need_conntrack();
-	ret = xt_register_match(&conntrack_match);
-
-	return ret;
+	return xt_register_match(&conntrack_match);
 }
 
 static void __exit xt_conntrack_fini(void)

75 lines not on this page · raw message

61 lines not on this page · raw message

65 lines not on this page · raw message

67 lines not on this page · raw message

57 lines not on this page · raw message

61 lines not on this page · raw message

66 lines not on this page · raw message

61 lines not on this page · raw message

125 lines not on this page · raw message

63 lines not on this page · raw message

58 lines not on this page · raw message

65 lines not on this page · raw message

65 lines not on this page · raw message

65 lines not on this page · raw message

68 lines not on this page · raw message

67 lines not on this page · raw message

64 lines not on this page · raw message

63 lines not on this page · raw message

121 lines not on this page · raw message

Index: net-2.6.19.git/net/netfilter/xt_CONNSECMARK.c
===================================================================
@@ -130,14 +130,14 @@ static struct xt_target xt_connsecmark_t
 static int __init xt_connsecmark_init(void)
 {
 	need_conntrack();
-	return xt_register_targets(xt_connsecmark_targets,
-				   ARRAY_SIZE(xt_connsecmark_targets));
+	return xt_register_targets(xt_connsecmark_target,
+				   ARRAY_SIZE(xt_connsecmark_target));
 }
 
 static void __exit xt_connsecmark_fini(void)
 {
-	xt_unregister_targets(xt_connsecmark_targets,
-			      ARRAY_SIZE(xt_connsecmark_targets));
+	xt_unregister_targets(xt_connsecmark_target,
+			      ARRAY_SIZE(xt_connsecmark_target));
 }
 
 module_init(xt_connsecmark_init);

Index: net-2.6.19.git/net/netfilter/xt_SECMARK.c
===================================================================
@@ -111,7 +111,7 @@ static int checkentry(const char *tablen
 	return 1;
 }
 
-static struct xt_target xt_secmark_target = {
+static struct xt_target xt_secmark_target[] = {
 	{
 		.name		= "SECMARK",
 		.family		= AF_INET,

index 9a99124..9cef0e9 100644
@@ -211,8 +211,7 @@ struct xt_target
 			       const struct net_device *out,
 			       unsigned int hooknum,
 			       const struct xt_target *target,
-			       const void *targinfo,
-			       void *userdata);
+			       const void *targinfo);
 
 	/* Called when user tries to insert an entry of this type:
            hook_mask is a bitmask of hooks from which it can be

index 62cc27d..149e87c 100644
@@ -248,8 +248,7 @@ extern unsigned int arpt_do_table(struct
 				  unsigned int hook,
 				  const struct net_device *in,
 				  const struct net_device *out,
-				  struct arpt_table *table,
-				  void *userdata);
+				  struct arpt_table *table);
 
 #define ARPT_ALIGN(s) (((s) + (__alignof__(struct arpt_entry)-1)) & ~(__alignof__(struct arpt_entry)-1))
 #endif /*__KERNEL__*/

index c0dac16..a536bbd 100644
@@ -312,8 +312,7 @@ extern unsigned int ipt_do_table(struct 
 				 unsigned int hook,
 				 const struct net_device *in,
 				 const struct net_device *out,
-				 struct ipt_table *table,
-				 void *userdata);
+				 struct ipt_table *table);
 
 #define IPT_ALIGN(s) XT_ALIGN(s)
 

index d0d5d1e..d7a8e9c 100644
@@ -300,8 +300,7 @@ extern unsigned int ip6t_do_table(struct
 				  unsigned int hook,
 				  const struct net_device *in,
 				  const struct net_device *out,
-				  struct ip6t_table *table,
-				  void *userdata);
+				  struct ip6t_table *table);
 
 /* Check for an extension */
 extern int ip6t_ext_hdr(u8 nexthdr);

index 80c73ca..c38c6c4 100644
@@ -208,8 +208,7 @@ static unsigned int arpt_error(struct sk
 			       const struct net_device *out,
 			       unsigned int hooknum,
 			       const struct xt_target *target,
-			       const void *targinfo,
-			       void *userinfo)
+			       const void *targinfo)
 {
 	if (net_ratelimit())
 		printk("arp_tables: error: '%s'\n", (char *)targinfo);

@@ -226,8 +225,7 @@ unsigned int arpt_do_table(struct sk_buf
 			   unsigned int hook,
 			   const struct net_device *in,
 			   const struct net_device *out,
-			   struct arpt_table *table,
-			   void *userdata)
+			   struct arpt_table *table)
 {
 	static const char nulldevname[IFNAMSIZ];
 	unsigned int verdict = NF_DROP;

@@ -301,8 +299,7 @@ unsigned int arpt_do_table(struct sk_buf
 								     in, out,
 								     hook,
 								     t->u.kernel.target,
-								     t->data,
-								     userdata);
+								     t->data);
 
 				/* Target might have changed stuff. */
 				arp = (*pskb)->nh.arph;

index a58325c..05fb242 100644
@@ -11,7 +11,7 @@ static unsigned int
 target(struct sk_buff **pskb,
        const struct net_device *in, const struct net_device *out,
        unsigned int hooknum, const struct xt_target *target,
-       const void *targinfo, void *userinfo)
+       const void *targinfo)
 {
 	const struct arpt_mangle *mangle = targinfo;
 	struct arphdr *arp;

index d7c472f..7edea2a 100644
@@ -155,7 +155,7 @@ static unsigned int arpt_hook(unsigned i
 			      const struct net_device *out,
 			      int (*okfn)(struct sk_buff *))
 {
-	return arpt_do_table(pskb, hook, in, out, &packet_filter, NULL);
+	return arpt_do_table(pskb, hook, in, out, &packet_filter);
 }
 
 static struct nf_hook_ops arpt_ops[] = {

index 1aba926..1aa0e4f 100644
@@ -104,8 +104,7 @@ static unsigned int ipt_snat_target(stru
 				    const struct net_device *out,
 				    unsigned int hooknum,
 				    const struct ipt_target *target,
-				    const void *targinfo,
-				    void *userinfo)
+				    const void *targinfo)
 {
 	struct ip_conntrack *ct;
 	enum ip_conntrack_info ctinfo;

@@ -147,8 +146,7 @@ static unsigned int ipt_dnat_target(stru
 				    const struct net_device *out,
 				    unsigned int hooknum,
 				    const struct ipt_target *target,
-				    const void *targinfo,
-				    void *userinfo)
+				    const void *targinfo)
 {
 	struct ip_conntrack *ct;
 	enum ip_conntrack_info ctinfo;

@@ -255,7 +253,7 @@ int ip_nat_rule_find(struct sk_buff **ps
 {
 	int ret;
 
-	ret = ipt_do_table(pskb, hooknum, in, out, &nat_table, NULL);
+	ret = ipt_do_table(pskb, hooknum, in, out, &nat_table);
 
 	if (ret == NF_ACCEPT) {
 		if (!ip_nat_initialized(ct, HOOK2MANIP(hooknum)))

index fc5bdd5..bdf9196 100644
@@ -180,8 +180,7 @@ ipt_error(struct sk_buff **pskb,
 	  const struct net_device *out,
 	  unsigned int hooknum,
 	  const struct xt_target *target,
-	  const void *targinfo,
-	  void *userinfo)
+	  const void *targinfo)
 {
 	if (net_ratelimit())
 		printk("ip_tables: error: `%s'\n", (char *)targinfo);

@@ -217,8 +216,7 @@ ipt_do_table(struct sk_buff **pskb,
 	     unsigned int hook,
 	     const struct net_device *in,
 	     const struct net_device *out,
-	     struct ipt_table *table,
-	     void *userdata)
+	     struct ipt_table *table)
 {
 	static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long))));
 	u_int16_t offset;

@@ -307,8 +305,7 @@ #endif
 								     in, out,
 								     hook,
 								     t->u.kernel.target,
-								     t->data,
-								     userdata);
+								     t->data);
 
 #ifdef CONFIG_NETFILTER_DEBUG
 				if (((struct ipt_entry *)table_base)->comefrom

index d994c5f..a08383c 100644
@@ -302,8 +302,7 @@ target(struct sk_buff **pskb,
        const struct net_device *out,
        unsigned int hooknum,
        const struct xt_target *target,
-       const void *targinfo,
-       void *userinfo)
+       const void *targinfo)
 {
 	const struct ipt_clusterip_tgt_info *cipinfo = targinfo;
 	enum ip_conntrack_info ctinfo;

index 7e30e6d..1c3da4a 100644
@@ -85,8 +85,7 @@ target(struct sk_buff **pskb,
        const struct net_device *out,
        unsigned int hooknum,
        const struct xt_target *target,
-       const void *targinfo,
-       void *userinfo)
+       const void *targinfo)
 {
 	const struct ipt_ECN_info *einfo = targinfo;
 

index b98f7b0..a8d356c 100644
@@ -416,8 +416,7 @@ ipt_log_target(struct sk_buff **pskb,
 	       const struct net_device *out,
 	       unsigned int hooknum,
 	       const struct xt_target *target,
-	       const void *targinfo,
-	       void *userinfo)
+	       const void *targinfo)
 {
 	const struct ipt_log_info *loginfo = targinfo;
 	struct nf_loginfo li;

index ebd94f2..9659793 100644
@@ -64,8 +64,7 @@ masquerade_target(struct sk_buff **pskb,
 		  const struct net_device *out,
 		  unsigned int hooknum,
 		  const struct xt_target *target,
-		  const void *targinfo,
-		  void *userinfo)
+		  const void *targinfo)
 {
 	struct ip_conntrack *ct;
 	enum ip_conntrack_info ctinfo;

index 736c4b5..fd5e74a 100644
@@ -55,8 +55,7 @@ target(struct sk_buff **pskb,
        const struct net_device *out,
        unsigned int hooknum,
        const struct xt_target *target,
-       const void *targinfo,
-       void *userinfo)
+       const void *targinfo)
 {
 	struct ip_conntrack *ct;
 	enum ip_conntrack_info ctinfo;

index f290463..839fe99 100644
@@ -58,8 +58,7 @@ redirect_target(struct sk_buff **pskb,
 		const struct net_device *out,
 		unsigned int hooknum,
 		const struct xt_target *target,
-		const void *targinfo,
-		void *userinfo)
+		const void *targinfo)
 {
 	struct ip_conntrack *ct;
 	enum ip_conntrack_info ctinfo;

index 95c6662..1dfd8e5 100644
@@ -228,8 +228,7 @@ static unsigned int reject(struct sk_buf
 			   const struct net_device *out,
 			   unsigned int hooknum,
 			   const struct xt_target *target,
-			   const void *targinfo,
-			   void *userinfo)
+			   const void *targinfo)
 {
 	const struct ipt_reject_info *reject = targinfo;
 

index 7169b09..cf80174 100644
@@ -133,8 +133,7 @@ same_target(struct sk_buff **pskb,
 		const struct net_device *out,
 		unsigned int hooknum,
 		const struct xt_target *target,
-		const void *targinfo,
-		void *userinfo)
+		const void *targinfo)
 {
 	struct ip_conntrack *ct;
 	enum ip_conntrack_info ctinfo;

index 0fce85e..6d668dc 100644
@@ -41,8 +41,7 @@ ipt_tcpmss_target(struct sk_buff **pskb,
 		  const struct net_device *out,
 		  unsigned int hooknum,
 		  const struct xt_target *target,
-		  const void *targinfo,
-		  void *userinfo)
+		  const void *targinfo)
 {
 	const struct ipt_tcpmss_info *tcpmssinfo = targinfo;
 	struct tcphdr *tcph;

index 52e9d70..043df01 100644
@@ -26,8 +26,7 @@ target(struct sk_buff **pskb,
        const struct net_device *out,
        unsigned int hooknum,
        const struct xt_target *target,
-       const void *targinfo,
-       void *userinfo)
+       const void *targinfo)
 {
 	const struct ipt_tos_target_info *tosinfo = targinfo;
 	struct iphdr *iph = (*pskb)->nh.iph;

index 2afb2a8..1640071 100644
@@ -23,7 +23,7 @@ static unsigned int 
 ipt_ttl_target(struct sk_buff **pskb,
 	       const struct net_device *in, const struct net_device *out,
 	       unsigned int hooknum, const struct xt_target *target,
-	       const void *targinfo, void *userinfo)
+	       const void *targinfo)
 {
 	struct iphdr *iph;
 	const struct ipt_TTL_info *info = targinfo;

index d7dd7fe..062b456 100644
@@ -303,7 +303,7 @@ static unsigned int ipt_ulog_target(stru
 				    const struct net_device *out,
 				    unsigned int hooknum,
 				    const struct xt_target *target,
-				    const void *targinfo, void *userinfo)
+				    const void *targinfo)
 {
 	struct ipt_ulog_info *loginfo = (struct ipt_ulog_info *) targinfo;
 

index 7f41748..e2e7dd8 100644
@@ -90,7 +90,7 @@ ipt_hook(unsigned int hook,
 	 const struct net_device *out,
 	 int (*okfn)(struct sk_buff *))
 {
-	return ipt_do_table(pskb, hook, in, out, &packet_filter, NULL);
+	return ipt_do_table(pskb, hook, in, out, &packet_filter);
 }
 
 static unsigned int

@@ -108,7 +108,7 @@ ipt_local_out_hook(unsigned int hook,
 		return NF_ACCEPT;
 	}
 
-	return ipt_do_table(pskb, hook, in, out, &packet_filter, NULL);
+	return ipt_do_table(pskb, hook, in, out, &packet_filter);
 }
 
 static struct nf_hook_ops ipt_ops[] = {

index 4e7998b..79336cb 100644
@@ -119,7 +119,7 @@ ipt_route_hook(unsigned int hook,
 	 const struct net_device *out,
 	 int (*okfn)(struct sk_buff *))
 {
-	return ipt_do_table(pskb, hook, in, out, &packet_mangler, NULL);
+	return ipt_do_table(pskb, hook, in, out, &packet_mangler);
 }
 
 static unsigned int

@@ -148,7 +148,7 @@ ipt_local_hook(unsigned int hook,
 	daddr = (*pskb)->nh.iph->daddr;
 	tos = (*pskb)->nh.iph->tos;
 
-	ret = ipt_do_table(pskb, hook, in, out, &packet_mangler, NULL);
+	ret = ipt_do_table(pskb, hook, in, out, &packet_mangler);
 	/* Reroute for ANY change. */
 	if (ret != NF_DROP && ret != NF_STOLEN && ret != NF_QUEUE
 	    && ((*pskb)->nh.iph->saddr != saddr

index 7912cce..bcbeb4a 100644
@@ -95,7 +95,7 @@ ipt_hook(unsigned int hook,
 	 const struct net_device *out,
 	 int (*okfn)(struct sk_buff *))
 {
-	return ipt_do_table(pskb, hook, in, out, &packet_raw, NULL);
+	return ipt_do_table(pskb, hook, in, out, &packet_raw);
 }
 
 /* 'raw' is the very first table. */

index f26898b..1978b6c 100644
@@ -220,8 +220,7 @@ ip6t_error(struct sk_buff **pskb,
 	  const struct net_device *out,
 	  unsigned int hooknum,
 	  const struct xt_target *target,
-	  const void *targinfo,
-	  void *userinfo)
+	  const void *targinfo)
 {
 	if (net_ratelimit())
 		printk("ip6_tables: error: `%s'\n", (char *)targinfo);

@@ -258,8 +257,7 @@ ip6t_do_table(struct sk_buff **pskb,
 	      unsigned int hook,
 	      const struct net_device *in,
 	      const struct net_device *out,
-	      struct xt_table *table,
-	      void *userdata)
+	      struct xt_table *table)
 {
 	static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long))));
 	int offset = 0;

@@ -349,8 +347,7 @@ #endif
 								     in, out,
 								     hook,
 								     t->u.kernel.target,
-								     t->data,
-								     userdata);
+								     t->data);
 
 #ifdef CONFIG_NETFILTER_DEBUG
 				if (((struct ip6t_entry *)table_base)->comefrom

index b8eff8e..c85d124 100644
@@ -22,7 +22,7 @@ static unsigned int ip6t_hl_target(struc
 				   const struct net_device *out,
 				   unsigned int hooknum,
 				   const struct xt_target *target,
-				   const void *targinfo, void *userinfo)
+				   const void *targinfo)
 {
 	struct ipv6hdr *ip6h;
 	const struct ip6t_HL_info *info = targinfo;

index 73c6300..acb9173 100644
@@ -427,8 +427,7 @@ ip6t_log_target(struct sk_buff **pskb,
 		const struct net_device *out,
 		unsigned int hooknum,
 		const struct xt_target *target,
-		const void *targinfo,
-		void *userinfo)
+		const void *targinfo)
 {
 	const struct ip6t_log_info *loginfo = targinfo;
 	struct nf_loginfo li;

index 7929ff4..343acd3 100644
@@ -180,8 +180,7 @@ static unsigned int reject6_target(struc
 			   const struct net_device *out,
 			   unsigned int hooknum,
 			   const struct xt_target *target,
-			   const void *targinfo,
-			   void *userinfo)
+			   const void *targinfo)
 {
 	const struct ip6t_reject_info *reject = targinfo;
 

index 60976c0..2fc07c7 100644
@@ -108,7 +108,7 @@ ip6t_hook(unsigned int hook,
 	 const struct net_device *out,
 	 int (*okfn)(struct sk_buff *))
 {
-	return ip6t_do_table(pskb, hook, in, out, &packet_filter, NULL);
+	return ip6t_do_table(pskb, hook, in, out, &packet_filter);
 }
 
 static unsigned int

@@ -128,7 +128,7 @@ #if 0
 	}
 #endif
 
-	return ip6t_do_table(pskb, hook, in, out, &packet_filter, NULL);
+	return ip6t_do_table(pskb, hook, in, out, &packet_filter);
 }
 
 static struct nf_hook_ops ip6t_ops[] = {

index 03a13ea..32db04f 100644
@@ -138,7 +138,7 @@ ip6t_route_hook(unsigned int hook,
 	 const struct net_device *out,
 	 int (*okfn)(struct sk_buff *))
 {
-	return ip6t_do_table(pskb, hook, in, out, &packet_mangler, NULL);
+	return ip6t_do_table(pskb, hook, in, out, &packet_mangler);
 }
 
 static unsigned int

@@ -174,7 +174,7 @@ #endif
 	/* flowlabel and prio (includes version, which shouldn't change either */
 	flowlabel = *((u_int32_t *) (*pskb)->nh.ipv6h);
 
-	ret = ip6t_do_table(pskb, hook, in, out, &packet_mangler, NULL);
+	ret = ip6t_do_table(pskb, hook, in, out, &packet_mangler);
 
 	if (ret != NF_DROP && ret != NF_STOLEN 
 		&& (memcmp(&(*pskb)->nh.ipv6h->saddr, &saddr, sizeof(saddr))

index 61a7c58..b4154da 100644
@@ -122,7 +122,7 @@ ip6t_hook(unsigned int hook,
 	 const struct net_device *out,
 	 int (*okfn)(struct sk_buff *))
 {
-	return ip6t_do_table(pskb, hook, in, out, &packet_raw, NULL);
+	return ip6t_do_table(pskb, hook, in, out, &packet_raw);
 }
 
 static struct nf_hook_ops ip6t_ops[] = { 

index 2d77ebb..5b3bff6 100644
@@ -29,8 +29,7 @@ target(struct sk_buff **pskb,
        const struct net_device *out,
        unsigned int hooknum,
        const struct xt_target *target,
-       const void *targinfo,
-       void *userinfo)
+       const void *targinfo)
 {
 	const struct xt_classify_target_info *clinfo = targinfo;
 

index e577356..c2125f6 100644
@@ -38,8 +38,7 @@ target(struct sk_buff **pskb,
        const struct net_device *out,
        unsigned int hooknum,
        const struct xt_target *target,
-       const void *targinfo,
-       void *userinfo)
+       const void *targinfo)
 {
 	const struct xt_connmark_target_info *markinfo = targinfo;
 	u_int32_t diff;

index 48f7fc3..4b9cc65 100644
@@ -66,7 +66,7 @@ static void secmark_restore(struct sk_bu
 static unsigned int target(struct sk_buff **pskb, const struct net_device *in,
 			   const struct net_device *out, unsigned int hooknum,
 			   const struct xt_target *target,
-			   const void *targinfo, void *userinfo)
+			   const void *targinfo)
 {
 	struct sk_buff *skb = *pskb;
 	const struct xt_connsecmark_target_info *info = targinfo;

index a1cd972..9d23c95 100644
@@ -32,8 +32,7 @@ static unsigned int target(struct sk_buf
 			   const struct net_device *out,
 			   unsigned int hooknum,
 			   const struct xt_target *target,
-			   const void *targinfo,
-			   void *userinfo)
+			   const void *targinfo)
 {
 	const struct xt_DSCP_info *dinfo = targinfo;
 	u_int8_t dscp = ipv4_get_dsfield((*pskb)->nh.iph) >> XT_DSCP_SHIFT;

@@ -54,8 +53,7 @@ static unsigned int target6(struct sk_bu
 			    const struct net_device *out,
 			    unsigned int hooknum,
 			    const struct xt_target *target,
-			    const void *targinfo,
-			    void *userinfo)
+			    const void *targinfo)
 {
 	const struct xt_DSCP_info *dinfo = targinfo;
 	u_int8_t dscp = ipv6_get_dsfield((*pskb)->nh.ipv6h) >> XT_DSCP_SHIFT;

index 0a61272..95a171c 100644
@@ -27,8 +27,7 @@ target_v0(struct sk_buff **pskb,
 	  const struct net_device *out,
 	  unsigned int hooknum,
 	  const struct xt_target *target,
-	  const void *targinfo,
-	  void *userinfo)
+	  const void *targinfo)
 {
 	const struct xt_mark_target_info *markinfo = targinfo;
 

@@ -44,8 +43,7 @@ target_v1(struct sk_buff **pskb,
 	  const struct net_device *out,
 	  unsigned int hooknum,
 	  const struct xt_target *target,
-	  const void *targinfo,
-	  void *userinfo)
+	  const void *targinfo)
 {
 	const struct xt_mark_target_info_v1 *markinfo = targinfo;
 	int mark = 0;

index 7b98228..db9b896 100644
@@ -29,8 +29,7 @@ target(struct sk_buff **pskb,
        const struct net_device *out,
        unsigned int hooknum,
        const struct xt_target *target,
-       const void *targinfo,
-       void *userinfo)
+       const void *targinfo)
 {
 	const struct xt_NFQ_info *tinfo = targinfo;
 

index cab881d..6d00dca 100644
@@ -16,8 +16,7 @@ target(struct sk_buff **pskb,
        const struct net_device *out,
        unsigned int hooknum,
        const struct xt_target *target,
-       const void *targinfo,
-       void *userinfo)
+       const void *targinfo)
 {
 	/* Previously seen (loopback)? Ignore. */
 	if ((*pskb)->nfct != NULL)

index 4300988..8a04dcf 100644
@@ -31,7 +31,7 @@ static u8 mode;
 static unsigned int target(struct sk_buff **pskb, const struct net_device *in,
 			   const struct net_device *out, unsigned int hooknum,
 			   const struct xt_target *target,
-			   const void *targinfo, void *userinfo)
+			   const void *targinfo)
 {
 	u32 secmark = 0;
 	const struct xt_secmark_target_info *info = targinfo;

index 2d49948..d725e8b 100644
@@ -143,7 +143,7 @@ static int check(const char *tablename,
 	return 1;
 }
 
-static struct xt_match xt_connbytes_match = {
+static struct xt_match xt_connbytes_match[] = {
 	{
 		.name		= "connbytes",
 		.family		= AF_INET,

index d799e01..1a5f49e 100644
@@ -230,8 +230,7 @@ tcf_ipt(struct sk_buff *skb, struct tc_a
 	 * needs to be replaced. We don't own the skb, so this must not
 	 * happen. The pskb_expand_head above should make sure of this */
 	ret = p->t->u.kernel.target->target(&skb, skb->dev, NULL, p->hook,
-					    p->t->u.kernel.target, p->t->data,
-					    NULL);
+					    p->t->u.kernel.target, p->t->data);
 	switch (ret) {
 	case NF_ACCEPT:
 		result = TC_ACT_OK;

index 9cef0e9..9d97102 100644
@@ -174,12 +174,10 @@ struct xt_match
 			  const void *ip,
 			  const struct xt_match *match,
 			  void *matchinfo,
-			  unsigned int matchinfosize,
 			  unsigned int hook_mask);
 
 	/* Called when entry of this type deleted. */
-	void (*destroy)(const struct xt_match *match, void *matchinfo,
-			unsigned int matchinfosize);
+	void (*destroy)(const struct xt_match *match, void *matchinfo);
 
 	/* Called when userspace align differs from kernel space one */
 	int (*compat)(void *match, void **dstptr, int *size, int convert);

@@ -221,12 +219,10 @@ struct xt_target
 			  const void *entry,
 			  const struct xt_target *target,
 			  void *targinfo,
-			  unsigned int targinfosize,
 			  unsigned int hook_mask);
 
 	/* Called when entry of this type deleted. */
-	void (*destroy)(const struct xt_target *target, void *targinfo,
-			unsigned int targinfosize);
+	void (*destroy)(const struct xt_target *target, void *targinfo);
 
 	/* Called when userspace align differs from kernel space one */
 	int (*compat)(void *target, void **dstptr, int *size, int convert);

index c38c6c4..3f2e2fe 100644
@@ -490,8 +490,6 @@ static inline int check_entry(struct arp
 		}
 	} else if (t->u.kernel.target->checkentry
 		   && !t->u.kernel.target->checkentry(name, e, target, t->data,
-						      t->u.target_size
-						      - sizeof(*t),
 						      e->comefrom)) {
 		duprintf("arp_tables: check failed for `%s'.\n",
 			 t->u.kernel.target->name);

@@ -558,8 +556,7 @@ static inline int cleanup_entry(struct a
 
 	t = arpt_get_target(e);
 	if (t->u.kernel.target->destroy)
-		t->u.kernel.target->destroy(t->u.kernel.target, t->data,
-					    t->u.target_size - sizeof(*t));
+		t->u.kernel.target->destroy(t->u.kernel.target, t->data);
 	module_put(t->u.kernel.target->me);
 	return 0;
 }

index 05fb242..d12b1df 100644
@@ -67,7 +67,7 @@ target(struct sk_buff **pskb,
 
 static int
 checkentry(const char *tablename, const void *e, const struct xt_target *target,
-           void *targinfo, unsigned int targinfosize, unsigned int hook_mask)
+           void *targinfo, unsigned int hook_mask)
 {
 	const struct arpt_mangle *mangle = targinfo;
 

index 1aa0e4f..e59f5a8 100644
@@ -172,7 +172,6 @@ static int ipt_snat_checkentry(const cha
 			       const void *entry,
 			       const struct ipt_target *target,
 			       void *targinfo,
-			       unsigned int targinfosize,
 			       unsigned int hook_mask)
 {
 	struct ip_nat_multi_range_compat *mr = targinfo;

@@ -189,7 +188,6 @@ static int ipt_dnat_checkentry(const cha
 			       const void *entry,
 			       const struct ipt_target *target,
 			       void *targinfo,
-			       unsigned int targinfosize,
 			       unsigned int hook_mask)
 {
 	struct ip_nat_multi_range_compat *mr = targinfo;

index bdf9196..dd50ed6 100644
@@ -463,8 +463,7 @@ cleanup_match(struct ipt_entry_match *m,
 		return 1;
 
 	if (m->u.kernel.match->destroy)
-		m->u.kernel.match->destroy(m->u.kernel.match, m->data,
-					   m->u.match_size - sizeof(*m));
+		m->u.kernel.match->destroy(m->u.kernel.match, m->data);
 	module_put(m->u.kernel.match->me);
 	return 0;
 }

@@ -517,7 +516,6 @@ check_match(struct ipt_entry_match *m,
 
 	if (m->u.kernel.match->checkentry
 	    && !m->u.kernel.match->checkentry(name, ip, match, m->data,
-					      m->u.match_size - sizeof(*m),
 					      hookmask)) {
 		duprintf("ip_tables: check failed for `%s'.\n",
 			 m->u.kernel.match->name);

@@ -578,8 +576,6 @@ check_entry(struct ipt_entry *e, const c
 		}
 	} else if (t->u.kernel.target->checkentry
 		   && !t->u.kernel.target->checkentry(name, e, target, t->data,
-						      t->u.target_size
-						      - sizeof(*t),
 						      e->comefrom)) {
 		duprintf("ip_tables: check failed for `%s'.\n",
 			 t->u.kernel.target->name);

@@ -651,8 +647,7 @@ cleanup_entry(struct ipt_entry *e, unsig
 	IPT_MATCH_ITERATE(e, cleanup_match, NULL);
 	t = ipt_get_target(e);
 	if (t->u.kernel.target->destroy)
-		t->u.kernel.target->destroy(t->u.kernel.target, t->data,
-					    t->u.target_size - sizeof(*t));
+		t->u.kernel.target->destroy(t->u.kernel.target, t->data);
 	module_put(t->u.kernel.target->me);
 	return 0;
 }

@@ -1598,7 +1593,6 @@ static inline int compat_copy_match_from
 
 	if (m->u.kernel.match->checkentry
 	    && !m->u.kernel.match->checkentry(name, ip, match, dm->data,
-					      dm->u.match_size - sizeof(*dm),
 					      hookmask)) {
 		duprintf("ip_tables: check failed for `%s'.\n",
 			 m->u.kernel.match->name);

@@ -1657,8 +1651,7 @@ static int compat_copy_entry_from_user(s
 			goto out;
 	} else if (t->u.kernel.target->checkentry
 		   && !t->u.kernel.target->checkentry(name, de, target,
-				t->data, t->u.target_size - sizeof(*t),
-				de->comefrom)) {
+						      t->data, de->comefrom)) {
 		duprintf("ip_tables: compat: check failed for `%s'.\n",
 			 t->u.kernel.target->name);
 		goto out;

@@ -2181,7 +2174,6 @@ icmp_checkentry(const char *tablename,
 	   const void *info,
 	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchsize,
 	   unsigned int hook_mask)
 {
 	const struct ipt_icmp *icmpinfo = matchinfo;

index a08383c..4158966 100644
@@ -372,7 +372,6 @@ checkentry(const char *tablename,
 	   const void *e_void,
 	   const struct xt_target *target,
            void *targinfo,
-           unsigned int targinfosize,
            unsigned int hook_mask)
 {
 	struct ipt_clusterip_tgt_info *cipinfo = targinfo;

@@ -449,8 +448,7 @@ checkentry(const char *tablename,
 }
 
 /* drop reference count of cluster config when rule is deleted */
-static void destroy(const struct xt_target *target, void *targinfo,
-		    unsigned int targinfosize)
+static void destroy(const struct xt_target *target, void *targinfo)
 {
 	struct ipt_clusterip_tgt_info *cipinfo = targinfo;
 

index 1c3da4a..23f9c7e 100644
@@ -106,7 +106,6 @@ checkentry(const char *tablename,
 	   const void *e_void,
 	   const struct xt_target *target,
            void *targinfo,
-           unsigned int targinfosize,
            unsigned int hook_mask)
 {
 	const struct ipt_ECN_info *einfo = (struct ipt_ECN_info *)targinfo;

index a8d356c..7dc820d 100644
@@ -439,7 +439,6 @@ static int ipt_log_checkentry(const char
 			      const void *e,
 			      const struct xt_target *target,
 			      void *targinfo,
-			      unsigned int targinfosize,
 			      unsigned int hook_mask)
 {
 	const struct ipt_log_info *loginfo = targinfo;

index 9659793..bc65168 100644
@@ -42,7 +42,6 @@ masquerade_check(const char *tablename,
 		 const void *e,
 		 const struct xt_target *target,
 		 void *targinfo,
-		 unsigned int targinfosize,
 		 unsigned int hook_mask)
 {
 	const struct ip_nat_multi_range_compat *mr = targinfo;

index fd5e74a..beb2914 100644
@@ -33,7 +33,6 @@ check(const char *tablename,
       const void *e,
       const struct xt_target *target,
       void *targinfo,
-      unsigned int targinfosize,
       unsigned int hook_mask)
 {
 	const struct ip_nat_multi_range_compat *mr = targinfo;

index 839fe99..f03d436 100644
@@ -36,7 +36,6 @@ redirect_check(const char *tablename,
 	       const void *e,
 	       const struct xt_target *target,
 	       void *targinfo,
-	       unsigned int targinfosize,
 	       unsigned int hook_mask)
 {
 	const struct ip_nat_multi_range_compat *mr = targinfo;

index 1dfd8e5..b81821e 100644
@@ -276,7 +276,6 @@ static int check(const char *tablename,
 		 const void *e_void,
 		 const struct xt_target *target,
 		 void *targinfo,
-		 unsigned int targinfosize,
 		 unsigned int hook_mask)
 {
  	const struct ipt_reject_info *rejinfo = targinfo;

index cf80174..efbcb11 100644
@@ -52,7 +52,6 @@ same_check(const char *tablename,
 	      const void *e,
 	      const struct xt_target *target,
 	      void *targinfo,
-	      unsigned int targinfosize,
 	      unsigned int hook_mask)
 {
 	unsigned int count, countess, rangeip, index = 0;

@@ -116,8 +115,7 @@ same_check(const char *tablename,
 }
 
 static void 
-same_destroy(const struct xt_target *target, void *targinfo,
-		unsigned int targinfosize)
+same_destroy(const struct xt_target *target, void *targinfo)
 {
 	struct ipt_same_info *mr = targinfo;
 

index 6d668dc..ac8a35e 100644
@@ -207,7 +207,6 @@ ipt_tcpmss_checkentry(const char *tablen
 		      const void *e_void,
 		      const struct xt_target *target,
 		      void *targinfo,
-		      unsigned int targinfosize,
 		      unsigned int hook_mask)
 {
 	const struct ipt_tcpmss_info *tcpmssinfo = targinfo;

index 043df01..471a4c4 100644
@@ -49,7 +49,6 @@ checkentry(const char *tablename,
 	   const void *e_void,
 	   const struct xt_target *target,
            void *targinfo,
-           unsigned int targinfosize,
            unsigned int hook_mask)
 {
 	const u_int8_t tos = ((struct ipt_tos_target_info *)targinfo)->tos;

index 1640071..214d9d9 100644
@@ -67,7 +67,6 @@ static int ipt_ttl_checkentry(const char
 		const void *e,
 		const struct xt_target *target,
 		void *targinfo,
-		unsigned int targinfosize,
 		unsigned int hook_mask)
 {
 	struct ipt_TTL_info *info = targinfo;

index 062b456..9b01c17 100644
@@ -341,7 +341,6 @@ static int ipt_ulog_checkentry(const cha
 			       const void *e,
 			       const struct xt_target *target,
 			       void *targinfo,
-			       unsigned int targinfosize,
 			       unsigned int hookmask)
 {
 	struct ipt_ulog_info *loginfo = (struct ipt_ulog_info *) targinfo;

index 2927135..1798f86 100644
@@ -74,7 +74,6 @@ checkentry(const char *tablename,
 	   const void *ip_void,
 	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchinfosize,
 	   unsigned int hook_mask)
 {
 	const struct ipt_ah *ahinfo = matchinfo;

index b282504..dafbdec 100644
@@ -88,8 +88,7 @@ static int match(const struct sk_buff *s
 
 static int checkentry(const char *tablename, const void *ip_void,
 		      const struct xt_match *match,
-		      void *matchinfo, unsigned int matchsize,
-		      unsigned int hook_mask)
+		      void *matchinfo, unsigned int hook_mask)
 {
 	const struct ipt_ecn_info *info = matchinfo;
 	const struct ipt_ip *ip = ip_void;

index 3bd2368..b5b74b0 100644
@@ -478,7 +478,6 @@ hashlimit_checkentry(const char *tablena
 		     const void *inf,
 		     const struct xt_match *match,
 		     void *matchinfo,
-		     unsigned int matchsize,
 		     unsigned int hook_mask)
 {
 	struct ipt_hashlimit_info *r = matchinfo;

@@ -529,8 +528,7 @@ hashlimit_checkentry(const char *tablena
 }
 
 static void
-hashlimit_destroy(const struct xt_match *match, void *matchinfo,
-		  unsigned int matchsize)
+hashlimit_destroy(const struct xt_match *match, void *matchinfo)
 {
 	struct ipt_hashlimit_info *r = matchinfo;
 

index 5ac6ac0..78c336f 100644
@@ -56,7 +56,6 @@ checkentry(const char *tablename,
            const void *ip,
 	   const struct xt_match *match,
            void *matchinfo,
-           unsigned int matchsize,
            unsigned int hook_mask)
 {
 	const struct ipt_owner_info *info = matchinfo;

index 682c094..32ae8d7 100644
@@ -238,7 +238,7 @@ out:
 static int
 ipt_recent_checkentry(const char *tablename, const void *ip,
 		      const struct xt_match *match, void *matchinfo,
-		      unsigned int matchsize, unsigned int hook_mask)
+		      unsigned int hook_mask)
 {
 	const struct ipt_recent_info *info = matchinfo;
 	struct recent_table *t;

@@ -294,8 +294,7 @@ out:
 }
 
 static void
-ipt_recent_destroy(const struct xt_match *match, void *matchinfo,
-		   unsigned int matchsize)
+ipt_recent_destroy(const struct xt_match *match, void *matchinfo)
 {
 	const struct ipt_recent_info *info = matchinfo;
 	struct recent_table *t;

index 1978b6c..e63a3ac 100644
@@ -504,8 +504,7 @@ cleanup_match(struct ip6t_entry_match *m
 		return 1;
 
 	if (m->u.kernel.match->destroy)
-		m->u.kernel.match->destroy(m->u.kernel.match, m->data,
-					   m->u.match_size - sizeof(*m));
+		m->u.kernel.match->destroy(m->u.kernel.match, m->data);
 	module_put(m->u.kernel.match->me);
 	return 0;
 }

@@ -558,7 +557,6 @@ check_match(struct ip6t_entry_match *m,
 
 	if (m->u.kernel.match->checkentry
 	    && !m->u.kernel.match->checkentry(name, ipv6, match,  m->data,
-					      m->u.match_size - sizeof(*m),
 					      hookmask)) {
 		duprintf("ip_tables: check failed for `%s'.\n",
 			 m->u.kernel.match->name);

@@ -619,8 +617,6 @@ check_entry(struct ip6t_entry *e, const 
 		}
 	} else if (t->u.kernel.target->checkentry
 		   && !t->u.kernel.target->checkentry(name, e, target, t->data,
-						      t->u.target_size
-						      - sizeof(*t),
 						      e->comefrom)) {
 		duprintf("ip_tables: check failed for `%s'.\n",
 			 t->u.kernel.target->name);

@@ -692,8 +688,7 @@ cleanup_entry(struct ip6t_entry *e, unsi
 	IP6T_MATCH_ITERATE(e, cleanup_match, NULL);
 	t = ip6t_get_target(e);
 	if (t->u.kernel.target->destroy)
-		t->u.kernel.target->destroy(t->u.kernel.target, t->data,
-					    t->u.target_size - sizeof(*t));
+		t->u.kernel.target->destroy(t->u.kernel.target, t->data);
 	module_put(t->u.kernel.target->me);
 	return 0;
 }

@@ -1349,7 +1344,6 @@ icmp6_checkentry(const char *tablename,
 	   const void *entry,
 	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchsize,
 	   unsigned int hook_mask)
 {
 	const struct ip6t_icmp *icmpinfo = matchinfo;

index c85d124..e54ea92 100644
@@ -66,7 +66,6 @@ static int ip6t_hl_checkentry(const char
 		const void *entry,
 		const struct xt_target *target,
 		void *targinfo,
-		unsigned int targinfosize,
 		unsigned int hook_mask)
 {
 	struct ip6t_HL_info *info = targinfo;

index acb9173..0cf537d 100644
@@ -451,7 +451,6 @@ static int ip6t_log_checkentry(const cha
 			       const void *entry,
 			       const struct xt_target *target,
 			       void *targinfo,
-			       unsigned int targinfosize,
 			       unsigned int hook_mask)
 {
 	const struct ip6t_log_info *loginfo = targinfo;

index 343acd3..311eae8 100644
@@ -223,7 +223,6 @@ static int check(const char *tablename,
 		 const void *entry,
 		 const struct xt_target *target,
 		 void *targinfo,
-		 unsigned int targinfosize,
 		 unsigned int hook_mask)
 {
  	const struct ip6t_reject_info *rejinfo = targinfo;

index 2f7bb20..ec1b160 100644
@@ -102,7 +102,6 @@ checkentry(const char *tablename,
           const void *entry,
 	  const struct xt_match *match,
           void *matchinfo,
-          unsigned int matchinfosize,
           unsigned int hook_mask)
 {
 	const struct ip6t_ah *ahinfo = matchinfo;

index 9422413..223c335 100644
@@ -182,7 +182,6 @@ checkentry(const char *tablename,
 	   const void *info,
 	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchinfosize,
 	   unsigned int hook_mask)
 {
 	const struct ip6t_opts *optsinfo = matchinfo;

index 06768c8..78d9c8b 100644
@@ -119,7 +119,6 @@ checkentry(const char *tablename,
 	   const void *ip,
 	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchinfosize,
 	   unsigned int hook_mask)
 {
 	const struct ip6t_frag *fraginfo = matchinfo;

index 374f1be..72defc8 100644
@@ -182,7 +182,6 @@ checkentry(const char *tablename,
 	   const void *entry,
 	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchinfosize,
 	   unsigned int hook_mask)
 {
 	const struct ip6t_opts *optsinfo = matchinfo;

index 9375eeb..3093c39 100644
@@ -128,7 +128,6 @@ ipv6header_checkentry(const char *tablen
 		      const void *ip,
 		      const struct xt_match *match,
 		      void *matchinfo,
-		      unsigned int matchsize,
 		      unsigned int hook_mask)
 {
 	const struct ip6t_ipv6header_info *info = matchinfo;

index 5d04799..4eb9bbc 100644
@@ -57,7 +57,6 @@ checkentry(const char *tablename,
 	   const void *ip,
 	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchsize,
 	   unsigned int hook_mask)
 {
 	const struct ip6t_owner_info *info = matchinfo;

index fbb0184..bcb2e16 100644
@@ -197,7 +197,6 @@ checkentry(const char *tablename,
 	   const void *entry,
 	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchinfosize,
 	   unsigned int hook_mask)
 {
 	const struct ip6t_rt *rtinfo = matchinfo;

index c2125f6..0e4249d 100644
@@ -89,7 +89,6 @@ checkentry(const char *tablename,
 	   const void *entry,
 	   const struct xt_target *target,
 	   void *targinfo,
-	   unsigned int targinfosize,
 	   unsigned int hook_mask)
 {
 	struct xt_connmark_target_info *matchinfo = targinfo;

index 4b9cc65..4b0e14b 100644
@@ -89,7 +89,7 @@ static unsigned int target(struct sk_buf
 
 static int checkentry(const char *tablename, const void *entry,
 		      const struct xt_target *target, void *targinfo,
-		      unsigned int targinfosize, unsigned int hook_mask)
+		      unsigned int hook_mask)
 {
 	struct xt_connsecmark_target_info *info = targinfo;
 

index 9d23c95..a7cc75a 100644
@@ -72,7 +72,6 @@ static int checkentry(const char *tablen
 		      const void *e_void,
 		      const struct xt_target *target,
 		      void *targinfo,
-		      unsigned int targinfosize,
 		      unsigned int hook_mask)
 {
 	const u_int8_t dscp = ((struct xt_DSCP_info *)targinfo)->dscp;

index 95a171c..782f8d8 100644
@@ -74,7 +74,6 @@ checkentry_v0(const char *tablename,
 	      const void *entry,
 	      const struct xt_target *target,
 	      void *targinfo,
-	      unsigned int targinfosize,
 	      unsigned int hook_mask)
 {
 	struct xt_mark_target_info *markinfo = targinfo;

@@ -91,7 +90,6 @@ checkentry_v1(const char *tablename,
 	      const void *entry,
 	      const struct xt_target *target,
 	      void *targinfo,
-	      unsigned int targinfosize,
 	      unsigned int hook_mask)
 {
 	struct xt_mark_target_info_v1 *markinfo = targinfo;

index 8a04dcf..451b67c 100644
@@ -85,7 +85,7 @@ static int checkentry_selinux(struct xt_
 
 static int checkentry(const char *tablename, const void *entry,
 		      const struct xt_target *target, void *targinfo,
-		      unsigned int targinfosize, unsigned int hook_mask)
+		      unsigned int hook_mask)
 {
 	struct xt_secmark_target_info *info = targinfo;
 

index d725e8b..dcc497e 100644
@@ -125,7 +125,6 @@ static int check(const char *tablename,
 		 const void *ip,
 		 const struct xt_match *match,
 		 void *matchinfo,
-		 unsigned int matchsize,
 		 unsigned int hook_mask)
 {
 	const struct xt_connbytes_info *sinfo = matchinfo;

index a97b2d4..c9104d0 100644
@@ -55,7 +55,6 @@ checkentry(const char *tablename,
 	   const void *ip,
 	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchsize,
 	   unsigned int hook_mask)
 {
 	struct xt_connmark_info *cm = matchinfo;

@@ -75,7 +74,7 @@ #endif
 }
 
 static void
-destroy(const struct xt_match *match, void *matchinfo, unsigned int matchsize)
+destroy(const struct xt_match *match, void *matchinfo)
 {
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
 	nf_ct_l3proto_module_put(match->family);

index 1540885..39c57e9 100644
@@ -208,7 +208,6 @@ checkentry(const char *tablename,
 	   const void *ip,
 	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchsize,
 	   unsigned int hook_mask)
 {
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)

@@ -222,7 +221,7 @@ #endif
 }
 
 static void
-destroy(const struct xt_match *match, void *matchinfo, unsigned int matchsize)
+destroy(const struct xt_match *match, void *matchinfo)
 {
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
 	nf_ct_l3proto_module_put(match->family);

index 42d4e96..02e8536 100644
@@ -131,7 +131,6 @@ checkentry(const char *tablename,
 	   const void *inf,
 	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchsize,
 	   unsigned int hook_mask)
 {
 	const struct xt_dccp_info *info = matchinfo;

index d84075c..26c7f4a 100644
@@ -58,7 +58,6 @@ static int checkentry(const char *tablen
 		      const void *info,
 		      const struct xt_match *match,
 		      void *matchinfo,
-		      unsigned int matchsize,
 		      unsigned int hook_mask)
 {
 	const u_int8_t dscp = ((struct xt_dscp_info *)matchinfo)->dscp;

index 7b19bc9..7c95f14 100644
@@ -79,7 +79,6 @@ checkentry(const char *tablename,
 	   const void *ip_void,
 	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchinfosize,
 	   unsigned int hook_mask)
 {
 	const struct xt_esp *espinfo = matchinfo;

index db453a7..5d7818b 100644
@@ -139,7 +139,6 @@ static int check(const char *tablename,
 		 const void *inf,
 		 const struct xt_match *match,
 		 void *matchinfo,
-		 unsigned int matchsize,
 		 unsigned int hook_mask)
 {
 	struct xt_helper_info *info = matchinfo;

@@ -156,7 +155,7 @@ #endif
 }
 
 static void
-destroy(const struct xt_match *match, void *matchinfo, unsigned int matchsize)
+destroy(const struct xt_match *match, void *matchinfo)
 {
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
 	nf_ct_l3proto_module_put(match->family);

index e8d5e7a..b9c9ff3 100644
@@ -110,7 +110,6 @@ ipt_limit_checkentry(const char *tablena
 		     const void *inf,
 		     const struct xt_match *match,
 		     void *matchinfo,
-		     unsigned int matchsize,
 		     unsigned int hook_mask)
 {
 	struct xt_rateinfo *r = matchinfo;

index 39f9b07..e8059cd 100644
@@ -39,7 +39,6 @@ checkentry(const char *tablename,
            const void *entry,
 	   const struct xt_match *match,
            void *matchinfo,
-           unsigned int matchsize,
            unsigned int hook_mask)
 {
 	const struct xt_mark_info *minfo = matchinfo;

index e74f9bb..d3aefd3 100644
@@ -176,7 +176,6 @@ checkentry(const char *tablename,
 	   const void *info,
 	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchsize,
 	   unsigned int hook_mask)
 {
 	const struct ipt_ip *ip = info;

@@ -191,7 +190,6 @@ checkentry_v1(const char *tablename,
 	      const void *info,
 	      const struct xt_match *match,
 	      void *matchinfo,
-	      unsigned int matchsize,
 	      unsigned int hook_mask)
 {
 	const struct ipt_ip *ip = info;

@@ -206,7 +204,6 @@ checkentry6(const char *tablename,
 	    const void *info,
 	    const struct xt_match *match,
 	    void *matchinfo,
-	    unsigned int matchsize,
 	    unsigned int hook_mask)
 {
 	const struct ip6t_ip6 *ip = info;

@@ -221,7 +218,6 @@ checkentry6_v1(const char *tablename,
 	       const void *info,
 	       const struct xt_match *match,
 	       void *matchinfo,
-	       unsigned int matchsize,
 	       unsigned int hook_mask)
 {
 	const struct ip6t_ip6 *ip = info;

index b1ff69a..987c913 100644
@@ -105,7 +105,6 @@ checkentry(const char *tablename,
 		       const void *ip,
 		       const struct xt_match *match,
 		       void *matchinfo,
-		       unsigned int matchsize,
 		       unsigned int hook_mask)
 {
 	const struct xt_physdev_info *info = matchinfo;

index f5639c4..e9d8137 100644
@@ -135,8 +135,7 @@ static int match(const struct sk_buff *s
 
 static int checkentry(const char *tablename, const void *ip_void,
                       const struct xt_match *match,
-                      void *matchinfo, unsigned int matchsize,
-                      unsigned int hook_mask)
+                      void *matchinfo, unsigned int hook_mask)
 {
 	struct xt_policy_info *info = matchinfo;
 

index cc264cc..2e4ef7e 100644
@@ -39,7 +39,7 @@ match(const struct sk_buff *skb,
 static int
 checkentry(const char *tablename, const void *entry,
 	   const struct xt_match *match, void *matchinfo,
-	   unsigned int matchsize, unsigned int hook_mask)
+	   unsigned int hook_mask)
 {
 	struct xt_quota_info *q = (struct xt_quota_info *)matchinfo;
 

index 5628621..7956aca 100644
@@ -163,7 +163,6 @@ checkentry(const char *tablename,
 	   const void *inf,
 	   const struct xt_match *match,
 	   void *matchinfo,
-	   unsigned int matchsize,
 	   unsigned int hook_mask)
 {
 	const struct xt_sctp_info *info = matchinfo;

index 5f9492e..d9010b1 100644
@@ -48,7 +48,6 @@ static int check(const char *tablename,
 		 const void *inf,
 		 const struct xt_match *match,
 		 void *matchinfo,
-		 unsigned int matchsize,
 		 unsigned int hook_mask)
 {
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)

@@ -62,7 +61,7 @@ #endif
 }
 
 static void
-destroy(const struct xt_match *match, void *matchinfo, unsigned int matchsize)
+destroy(const struct xt_match *match, void *matchinfo)
 {
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
 	nf_ct_l3proto_module_put(match->family);

index 5181630..091a9f8 100644
@@ -55,7 +55,7 @@ match(const struct sk_buff *skb,
 static int
 checkentry(const char *tablename, const void *entry,
 	   const struct xt_match *match, void *matchinfo,
-	   unsigned int matchsize, unsigned int hook_mask)
+	   unsigned int hook_mask)
 {
 	struct xt_statistic_info *info = (struct xt_statistic_info *)matchinfo;
 

index 1a1c1d1..4453252 100644
@@ -46,7 +46,6 @@ static int checkentry(const char *tablen
 		      const void *ip,
 		      const struct xt_match *match,
 		      void *matchinfo,
-		      unsigned int matchsize,
 		      unsigned int hook_mask)
 {
 	struct xt_string_info *conf = matchinfo;

@@ -69,8 +68,7 @@ static int checkentry(const char *tablen
 	return 1;
 }
 
-static void destroy(const struct xt_match *match, void *matchinfo,
-		    unsigned int matchsize)
+static void destroy(const struct xt_match *match, void *matchinfo)
 {
 	textsearch_destroy(STRING_TEXT_PRIV(matchinfo)->config);
 }

index 54aab05..e76a68e 100644
@@ -141,7 +141,6 @@ tcp_checkentry(const char *tablename,
 	       const void *info,
 	       const struct xt_match *match,
 	       void *matchinfo,
-	       unsigned int matchsize,
 	       unsigned int hook_mask)
 {
 	const struct xt_tcp *tcpinfo = matchinfo;

@@ -190,7 +189,6 @@ udp_checkentry(const char *tablename,
 	       const void *info,
 	       const struct xt_match *match,
 	       void *matchinfo,
-	       unsigned int matchsize,
 	       unsigned int hook_mask)
 {
 	const struct xt_tcp *udpinfo = matchinfo;

index 1a5f49e..5f194ca 100644
@@ -76,7 +76,6 @@ ipt_init_target(struct ipt_entry_target 
 	if (t->u.kernel.target->checkentry
 	    && !t->u.kernel.target->checkentry(table, NULL,
 		    			       t->u.kernel.target, t->data,
-					       t->u.target_size - sizeof(*t),
 					       hook)) {
 		DPRINTK("ipt_init_target: check failed for `%s'.\n",
 			t->u.kernel.target->name);

@@ -91,8 +90,7 @@ static void
 ipt_destroy_target(struct ipt_entry_target *t)
 {
 	if (t->u.kernel.target->destroy)
-		t->u.kernel.target->destroy(t->u.kernel.target, t->data,
-		                            t->u.target_size - sizeof(*t));
+		t->u.kernel.target->destroy(t->u.kernel.target, t->data);
         module_put(t->u.kernel.target->me);
 }
 

index 9f5b12c..6d8e3e5 100644
@@ -43,7 +43,7 @@ struct nfattr
 	u_int16_t nfa_len;
 	u_int16_t nfa_type;	/* we use 15 bits for the type, and the highest
 				 * bit to indicate whether the payload is nested */
-} __attribute__ ((packed));
+};
 
 /* FIXME: Apart from NFNL_NFA_NESTED shamelessly copy and pasted from
  * rtnetlink.h, it's time to put this in a generic file */

@@ -79,7 +79,7 @@ struct nfgenmsg {
 	u_int8_t  nfgen_family;		/* AF_xxx */
 	u_int8_t  version;		/* nfnetlink version */
 	u_int16_t res_id;		/* resource id */
-} __attribute__ ((packed));
+};
 
 #define NFNETLINK_V0	0
 

index a7497c7..87b92f8 100644
@@ -19,18 +19,18 @@ struct nfulnl_msg_packet_hdr {
 	u_int16_t	hw_protocol;	/* hw protocol (network order) */
 	u_int8_t	hook;		/* netfilter hook */
 	u_int8_t	_pad;
-} __attribute__ ((packed));
+};
 
 struct nfulnl_msg_packet_hw {
 	u_int16_t	hw_addrlen;
 	u_int16_t	_pad;
 	u_int8_t	hw_addr[8];
-} __attribute__ ((packed));
+};
 
 struct nfulnl_msg_packet_timestamp {
 	aligned_u64	sec;
 	aligned_u64	usec;
-} __attribute__ ((packed));
+};
 
 #define NFULNL_PREFIXLEN	30	/* just like old log target */
 

index 9e77437..36af036 100644
@@ -22,12 +22,12 @@ struct nfqnl_msg_packet_hw {
 	u_int16_t	hw_addrlen;
 	u_int16_t	_pad;
 	u_int8_t	hw_addr[8];
-} __attribute__ ((packed));
+};
 
 struct nfqnl_msg_packet_timestamp {
 	aligned_u64	sec;
 	aligned_u64	usec;
-} __attribute__ ((packed));
+};
 
 enum nfqnl_attr_type {
 	NFQA_UNSPEC,

@@ -49,7 +49,7 @@ #define NFQA_MAX (__NFQA_MAX - 1)
 struct nfqnl_msg_verdict_hdr {
 	u_int32_t verdict;
 	u_int32_t id;
-} __attribute__ ((packed));
+};
 
 
 enum nfqnl_msg_config_cmds {

@@ -64,7 +64,7 @@ struct nfqnl_msg_config_cmd {
 	u_int8_t	command;	/* nfqnl_msg_config_cmds */
 	u_int8_t	_pad;
 	u_int16_t	pf;		/* AF_xxx for PF_[UN]BIND */
-} __attribute__ ((packed));
+};
 
 enum nfqnl_config_mode {
 	NFQNL_COPY_NONE,

index 9d97102..03d1027 100644
@@ -185,6 +185,9 @@ struct xt_match
 	/* Set this to THIS_MODULE if you are a module, otherwise NULL */
 	struct module *me;
 
+	/* Free to use by each match */
+	unsigned long data;
+
 	char *table;
 	unsigned int matchsize;
 	unsigned int hooks;

219 lines not on this page · raw message

76 lines not on this page · raw message

index 7baa9eb..a3682fe 100644
@@ -18,21 +18,22 @@ #include <linux/netfilter/x_tables.h>
 #include <linux/netfilter_ipv4/ip_tables.h>
 #include <linux/netfilter_ipv6/ip6_tables.h>
 
-#define TH_SYN 0x02
-
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Marc Boucher <[email protected]>");
 MODULE_DESCRIPTION("iptables TCP MSS match module");
 MODULE_ALIAS("ipt_tcpmss");
 
-/* Returns 1 if the mss option is set and matched by the range, 0 otherwise */
-static inline int
-mssoption_match(u_int16_t min, u_int16_t max,
-		const struct sk_buff *skb,
-		unsigned int protoff,
-		int invert,
-		int *hotdrop)
+static int
+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,
+      int *hotdrop)
 {
+	const struct xt_tcpmss_match_info *info = matchinfo;
 	struct tcphdr _tcph, *th;
 	/* tcp.doff is only 4 bits, ie. max 15 * 4 bytes */
 	u8 _opt[15 * 4 - sizeof(_tcph)], *op;

@@ -64,35 +65,22 @@ mssoption_match(u_int16_t min, u_int16_t
 
 			mssval = (op[i+2] << 8) | op[i+3];
 			
-			return (mssval >= min && mssval <= max) ^ invert;
+			return (mssval >= info->mss_min &&
+			        mssval <= info->mss_max) ^ info->invert;
 		}
-		if (op[i] < 2) i++;
-		else i += op[i+1]?:1;
+		if (op[i] < 2)
+			i++;
+		else
+			i += op[i+1] ? : 1;
 	}
 out:
-	return invert;
+	return info->invert;
 
- dropit:
+dropit:
 	*hotdrop = 1;
 	return 0;
 }
 
-static int
-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,
-      int *hotdrop)
-{
-	const struct xt_tcpmss_match_info *info = matchinfo;
-
-	return mssoption_match(info->mss_min, info->mss_max, skb, protoff,
-			       info->invert, hotdrop);
-}
-
 static struct xt_match xt_tcpmss_match[] = {
 	{
 		.name		= "tcpmss",