Re-queueing of skb in vlan_skb_recv

[Brian Oostenbrink]

In vlan_skb_recv, packets are generally stripped of their vlan header,
and then re-queued via netif_rx().  Is there a reason for re-queuing
these instead of calling netif_receive_skb() directly?  On our system
(an embedded linux router), this re-queuing has a significant
performance penalty.

-brian
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