if (!(rcv->flags & IFF_UP))
goto tx_drop;
- if (dev->features & NETIF_F_NO_CSUM)
+ /* don't change ip_summed == CHECKSUM_PARTIAL, as that
+ will cause bad checksum on forwarded packets */
+ if (skb->ip_summed == CHECKSUM_NONE)
skb->ip_summed = rcv_priv->ip_summed;
length = skb->len + ETH_HLEN;