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>
diff --git a/net/core/dev.c b/net/core/dev.c
index cf87fde..7e97e89 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2284,7 +2284,10 @@
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;