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[PATCH]

To: "David S.Miller" <davem@xxxxxxxxxx>
Subject: [PATCH]
From: Bart De Schuymer <bdschuym@xxxxxxxxxx>
Date: Sat, 27 Dec 2003 14:50:18 +0100
Cc: netdev@xxxxxxxxxxx, Stephen Hemminger <shemminger@xxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
User-agent: KMail/1.5
Hi Dave,

We should also filter vlan-tagged IP/ARP traffic even if the vlan code
isn't compiled into the kernel. The patch below removes an unnecessary
dependence on the vlan code being compiled.

cheers,
Bart


--- linux-2.6.0/include/linux/netfilter_bridge.h.earlier        2003-12-25 
17:01:38.000000000 +0100
+++ linux-2.6.0/include/linux/netfilter_bridge.h        2003-12-25 
17:02:56.000000000 +0100
@@ -71,12 +71,10 @@ static inline
 void nf_bridge_maybe_copy_header(struct sk_buff *skb)
 {
        if (skb->nf_bridge) {
-#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
                if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
                        memcpy(skb->data - 18, skb->nf_bridge->data, 18);
                        skb_push(skb, 4);
                } else
-#endif
                        memcpy(skb->data - 16, skb->nf_bridge->data, 16);
        }
 }
@@ -86,10 +84,9 @@ void nf_bridge_save_header(struct sk_buf
 {
         int header_size = 16;
 
-#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
        if (skb->protocol == __constant_htons(ETH_P_8021Q))
                header_size = 18;
-#endif
+
        memcpy(skb->nf_bridge->data, skb->data - header_size, header_size);
 }
 


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