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netfilter 02/09: bridge: Fix handling of non-IP packets in FORWARD/POST_ROUTING

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Currently the bridge FORWARD/POST_ROUTING chains treats all
non-IPv4 packets as IPv6.  This packet fixes that by returning
NF_ACCEPT on non-IP packets instead, just as is done in PRE_ROUTING.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu 2009-01-12 00:06:02 +00:00 committed by David S. Miller
parent 88843104a1
commit a2bd40ad31
1 changed files with 8 additions and 2 deletions
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10
net/bridge/br_netfilter.c
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@ -686,8 +686,11 @@ static unsigned int br_nf_forward_ip(unsigned int hook, struct sk_buff *skb,
if (skb->protocol == htons(ETH_P_IP) || IS_VLAN_IP(skb) ||
IS_PPPOE_IP(skb))
pf = PF_INET;
else
else if (skb->protocol == htons(ETH_P_IPV6) || IS_VLAN_IPV6(skb) ||
IS_PPPOE_IPV6(skb))
pf = PF_INET6;
else
return NF_ACCEPT;
nf_bridge_pull_encap_header(skb);
@ -828,8 +831,11 @@ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff *skb,
if (skb->protocol == htons(ETH_P_IP) || IS_VLAN_IP(skb) ||
IS_PPPOE_IP(skb))
pf = PF_INET;
else
else if (skb->protocol == htons(ETH_P_IPV6) || IS_VLAN_IPV6(skb) ||
IS_PPPOE_IPV6(skb))
pf = PF_INET6;
else
return NF_ACCEPT;
#ifdef CONFIG_NETFILTER_DEBUG
if (skb->dst == NULL) {