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authorFlorian Westphal <fw@strlen.de>2015-03-05 00:52:36 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2015-03-09 13:22:58 +0100
commit7a8d831df5811f49957cc9b7976319973d088c34 (patch)
tree04f205b3e53ca9117cf5032230166f0a995e3af0 /net/bridge
parent4a9d2f200862683d6680d5565f30c126625afe65 (diff)
downloadlinux-7a8d831df5811f49957cc9b7976319973d088c34.tar.bz2
netfilter: bridge: refactor conditional in br_nf_dev_queue_xmit
simpilifies followup patch that re-works brnf ip_fragment handling. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_netfilter.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 5b3bceb3ee62..ef1fe281ca11 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -803,13 +803,16 @@ static int br_nf_dev_queue_xmit(struct sk_buff *skb)
{
int ret;
int frag_max_size;
+ unsigned int mtu_reserved;
+ if (skb_is_gso(skb) || skb->protocol != htons(ETH_P_IP))
+ return br_dev_queue_push_xmit(skb);
+
+ mtu_reserved = nf_bridge_mtu_reduction(skb);
/* This is wrong! We should preserve the original fragment
* boundaries by preserving frag_list rather than refragmenting.
*/
- if (skb->protocol == htons(ETH_P_IP) &&
- skb->len + nf_bridge_mtu_reduction(skb) > skb->dev->mtu &&
- !skb_is_gso(skb)) {
+ if (skb->len + mtu_reserved > skb->dev->mtu) {
frag_max_size = BR_INPUT_SKB_CB(skb)->frag_max_size;
if (br_parse_ip_options(skb))
/* Drop invalid packet */