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-rw-r--r--net/core/dev.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index da7ce7f..6982bfd 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3500,14 +3500,20 @@ static inline gro_result_t
__napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
{
struct sk_buff *p;
+ unsigned int maclen = skb->dev->hard_header_len;
for (p = napi->gro_list; p; p = p->next) {
unsigned long diffs;
diffs = (unsigned long)p->dev ^ (unsigned long)skb->dev;
diffs |= p->vlan_tci ^ skb->vlan_tci;
- diffs |= compare_ether_header(skb_mac_header(p),
- skb_gro_mac_header(skb));
+ if (maclen == ETH_HLEN)
+ diffs |= compare_ether_header(skb_mac_header(p),
+ skb_gro_mac_header(skb));
+ else if (!diffs)
+ diffs = memcmp(skb_mac_header(p),
+ skb_gro_mac_header(skb),
+ maclen);
NAPI_GRO_CB(p)->same_flow = !diffs;
NAPI_GRO_CB(p)->flush = 0;
}
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