Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[karo-tx-linux.git] / net / netfilter / xt_pkttype.c

diff --git a/net/netfilter/xt_pkttype.c b/net/netfilter/xt_pkttype.c
index 3ac703b5cb8ffb9413d8c5a7f12f616d576189e3..d2f5320a80bf6a91f97ff2790ec2f3d5540c87e2 100644 (file)
--- a/net/netfilter/xt_pkttype.c
+++ b/net/netfilter/xt_pkttype.c
@@ -9,6 +9,8 @@
 #include <linux/skbuff.h>
 #include <linux/if_ether.h>
 #include <linux/if_packet.h>
+#include <linux/in.h>
+#include <linux/ip.h>
 
 #include <linux/netfilter/xt_pkttype.h>
 #include <linux/netfilter/x_tables.h>
@@ -28,9 +30,17 @@ static int match(const struct sk_buff *skb,
       unsigned int protoff,
       int *hotdrop)
 {
+       u_int8_t type;
        const struct xt_pkttype_info *info = matchinfo;
 
-       return (skb->pkt_type == info->pkttype) ^ info->invert;
+       if (skb->pkt_type == PACKET_LOOPBACK)
+               type = (MULTICAST(skb->nh.iph->daddr)
+                       ? PACKET_MULTICAST
+                       : PACKET_BROADCAST);
+       else
+               type = skb->pkt_type;
+
+       return (type == info->pkttype) ^ info->invert;
 }
 
 static struct xt_match pkttype_match = {