[ovs-dev] [PATCH] core/dev: set pkt_type after eth_type_trans() in dev_forward_skb()
David Miller
davem at davemloft.net
Tue Jul 2 23:00:05 UTC 2013
From: Isaku Yamahata <yamahata at valinux.co.jp>
Date: Tue, 2 Jul 2013 20:30:10 +0900
> The dev_forward_skb() assignment of pkt_type should be done
> after the call to eth_type_trans().
>
> ip-encapsulated packets can be handled by localhost. But skb->pkt_type
> can be PACKET_OTHERHOST when packet comes via veth into ip tunnel device.
> In that case, the packet is dropped by ip_rcv().
> Although this example uses gretap. l2tp-eth also has same issue.
> For l2tp-eth case, add dummy device for ip address and ip l2tp command.
...
> Signed-off-by: Isaku Yamahata <yamahata at valinux.co.jp>
Applied, but I had to adjust the patch because in net-next we use
a new helper function (skb_scrub_packet()) to clear things out from
dev_forward_skb().
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