netfilter 09/31: xtables: remove xt_mark v0

[Patrick McHardy <kaber@trash.net>]

commit 4725c7287ef2c4340cb433f59e40d143c1f43c22
Author: Jan Engelhardt <jengelh@medozas.de>
Date:   Fri Jun 12 19:02:27 2009 +0200

    netfilter: xtables: remove xt_mark v0
    
    Superseded by xt_mark v1 (v2.6.24-2922-g17b0d7e).
    
    Signed-off-by: Jan Engelhardt <jengelh@medozas.de>

diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 8862b03..5556d23 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -238,9 +238,6 @@ What (Why):
 	- "forwarding" header files like ipt_mac.h in
 	  include/linux/netfilter_ipv4/ and include/linux/netfilter_ipv6/
 
-	- xt_mark match revision 0
-	  (superseded by xt_mark match revision 1)
-
 	- xt_recent: the old ipt_recent proc dir
 	  (superseded by /proc/net/xt_recent)
 
diff --git a/include/linux/netfilter/xt_mark.h b/include/linux/netfilter/xt_mark.h
index 6fa460a..6607c8f 100644
--- a/include/linux/netfilter/xt_mark.h
+++ b/include/linux/netfilter/xt_mark.h
@@ -3,11 +3,6 @@
 
 #include <linux/types.h>
 
-struct xt_mark_info {
-    unsigned long mark, mask;
-    __u8 invert;
-};
-
 struct xt_mark_mtinfo1 {
 	__u32 mark, mask;
 	__u8 invert;
diff --git a/net/netfilter/xt_mark.c b/net/netfilter/xt_mark.c
index 10b9e34..1db07d8 100644
--- a/net/netfilter/xt_mark.c
+++ b/net/netfilter/xt_mark.c
@@ -3,7 +3,7 @@
  *
  *	(C) 1999-2001 Marc Boucher <marc@mbsi.ca>
  *	Copyright © CC Computer Consultants GmbH, 2007 - 2008
- *	Jan Engelhardt <jengelh@computergmbh.de>
+ *	Jan Engelhardt <jengelh@medozas.de>
  *
  *	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
@@ -23,14 +23,6 @@ MODULE_ALIAS("ipt_mark");
 MODULE_ALIAS("ip6t_mark");
 
 static bool
-mark_mt_v0(const struct sk_buff *skb, const struct xt_match_param *par)
-{
-	const struct xt_mark_info *info = par->matchinfo;
-
-	return ((skb->mark & info->mask) == info->mark) ^ info->invert;
-}
-
-static bool
 mark_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 {
 	const struct xt_mark_mtinfo1 *info = par->matchinfo;
@@ -38,81 +30,23 @@ mark_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 	return ((skb->mark & info->mask) == info->mark) ^ info->invert;
 }
 
-static bool mark_mt_check_v0(const struct xt_mtchk_param *par)
-{
-	const struct xt_mark_info *minfo = par->matchinfo;
-
-	if (minfo->mark > 0xffffffff || minfo->mask > 0xffffffff) {
-		printk(KERN_WARNING "mark: only supports 32bit mark\n");
-		return false;
-	}
-	return true;
-}
-
-#ifdef CONFIG_COMPAT
-struct compat_xt_mark_info {
-	compat_ulong_t	mark, mask;
-	u_int8_t	invert;
-	u_int8_t	__pad1;
-	u_int16_t	__pad2;
-};
-
-static void mark_mt_compat_from_user_v0(void *dst, void *src)
-{
-	const struct compat_xt_mark_info *cm = src;
-	struct xt_mark_info m = {
-		.mark	= cm->mark,
-		.mask	= cm->mask,
-		.invert	= cm->invert,
-	};
-	memcpy(dst, &m, sizeof(m));
-}
-
-static int mark_mt_compat_to_user_v0(void __user *dst, void *src)
-{
-	const struct xt_mark_info *m = src;
-	struct compat_xt_mark_info cm = {
-		.mark	= m->mark,
-		.mask	= m->mask,
-		.invert	= m->invert,
-	};
-	return copy_to_user(dst, &cm, sizeof(cm)) ? -EFAULT : 0;
-}
-#endif /* CONFIG_COMPAT */
-
-static struct xt_match mark_mt_reg[] __read_mostly = {
-	{
-		.name		= "mark",
-		.revision	= 0,
-		.family		= NFPROTO_UNSPEC,
-		.checkentry	= mark_mt_check_v0,
-		.match		= mark_mt_v0,
-		.matchsize	= sizeof(struct xt_mark_info),
-#ifdef CONFIG_COMPAT
-		.compatsize	= sizeof(struct compat_xt_mark_info),
-		.compat_from_user = mark_mt_compat_from_user_v0,
-		.compat_to_user	= mark_mt_compat_to_user_v0,
-#endif
-		.me		= THIS_MODULE,
-	},
-	{
-		.name           = "mark",
-		.revision       = 1,
-		.family         = NFPROTO_UNSPEC,
-		.match          = mark_mt,
-		.matchsize      = sizeof(struct xt_mark_mtinfo1),
-		.me             = THIS_MODULE,
-	},
+static struct xt_match mark_mt_reg __read_mostly = {
+	.name           = "mark",
+	.revision       = 1,
+	.family         = NFPROTO_UNSPEC,
+	.match          = mark_mt,
+	.matchsize      = sizeof(struct xt_mark_mtinfo1),
+	.me             = THIS_MODULE,
 };
 
 static int __init mark_mt_init(void)
 {
-	return xt_register_matches(mark_mt_reg, ARRAY_SIZE(mark_mt_reg));
+	return xt_register_match(&mark_mt_reg);
 }
 
 static void __exit mark_mt_exit(void)
 {
-	xt_unregister_matches(mark_mt_reg, ARRAY_SIZE(mark_mt_reg));
+	xt_unregister_match(&mark_mt_reg);
 }
 
 module_init(mark_mt_init);
--
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