X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fnetfilter%2Fxt_dscp.c;h=26f4aab9c42943ce4bcb7cf57bc3630ac3bdc3e1;hb=9ea319b61613085f501a79cf8d405cb221d084f3;hp=75b0df990d4fe8bd10786ab92dfbbf76101952f8;hpb=c3b33e6a2cdefba38d83442ebae2ee42e853ea51;p=linux-2.6

diff --git a/net/netfilter/xt_dscp.c b/net/netfilter/xt_dscp.c
index 75b0df990d..26f4aab9c4 100644
--- a/net/netfilter/xt_dscp.c
+++ b/net/netfilter/xt_dscp.c
@@ -18,11 +18,12 @@
 #include <linux/netfilter_ipv4/ipt_tos.h>
 
 MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
-MODULE_DESCRIPTION("x_tables DSCP/tos matching module");
+MODULE_DESCRIPTION("Xtables: DSCP/TOS field match");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("ipt_dscp");
 MODULE_ALIAS("ip6t_dscp");
 MODULE_ALIAS("ipt_tos");
+MODULE_ALIAS("ip6t_tos");
 
 static bool
 dscp_mt(const struct sk_buff *skb, const struct net_device *in,
@@ -72,6 +73,21 @@ static bool tos_mt_v0(const struct sk_buff *skb, const struct net_device *in,
 	return (ip_hdr(skb)->tos == info->tos) ^ info->invert;
 }
 
+static bool tos_mt(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)
+{
+	const struct xt_tos_match_info *info = matchinfo;
+
+	if (match->family == AF_INET)
+		return ((ip_hdr(skb)->tos & info->tos_mask) ==
+		       info->tos_value) ^ !!info->invert;
+	else
+		return ((ipv6_get_dsfield(ipv6_hdr(skb)) & info->tos_mask) ==
+		       info->tos_value) ^ !!info->invert;
+}
+
 static struct xt_match dscp_mt_reg[] __read_mostly = {
 	{
 		.name		= "dscp",
@@ -97,6 +113,22 @@ static struct xt_match dscp_mt_reg[] __read_mostly = {
 		.matchsize	= sizeof(struct ipt_tos_info),
 		.me		= THIS_MODULE,
 	},
+	{
+		.name		= "tos",
+		.revision	= 1,
+		.family		= AF_INET,
+		.match		= tos_mt,
+		.matchsize	= sizeof(struct xt_tos_match_info),
+		.me		= THIS_MODULE,
+	},
+	{
+		.name		= "tos",
+		.revision	= 1,
+		.family		= AF_INET6,
+		.match		= tos_mt,
+		.matchsize	= sizeof(struct xt_tos_match_info),
+		.me		= THIS_MODULE,
+	},
 };
 
 static int __init dscp_mt_init(void)