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authorChangli Gao <xiaosuo@gmail.com>2010-08-17 19:01:38 +0000
committerDavid S. Miller <davem@davemloft.net>2010-08-19 17:10:38 -0700
commitdbe5775bbc00116ed5699babfe17c54f32eb34c3 (patch)
treea835930d949396e1803384a549c7cafe59c3c053 /net
parent2d47b45951af087c1a4439c559309b0bf90a0718 (diff)
net: rps: skip fragment when computing rxhash
Fragmented IP packets may have no transfer header, so when computing rxhash, we should skip them. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/dev.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index cf87fde3a29b..7e97e891636e 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2284,7 +2284,10 @@ __u32 __skb_get_rxhash(struct sk_buff *skb)
goto done;
ip = (struct iphdr *) skb->data + nhoff;
- ip_proto = ip->protocol;
+ if (ip->frag_off & htons(IP_MF | IP_OFFSET))
+ ip_proto = 0;
+ else
+ ip_proto = ip->protocol;
addr1 = (__force u32) ip->saddr;
addr2 = (__force u32) ip->daddr;
ihl = ip->ihl;

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