Messages in this thread | | | Subject | Re: [PATCH v3 net-next 1/4] net: implement support for low latency socket polling | From | Eric Dumazet <> | Date | Tue, 21 May 2013 10:48:19 -0700 |
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On Tue, 2013-05-21 at 19:02 +0200, Pekka Riikonen wrote:
> Maybe even that's not needed. Couldn't skb->queue_mapping give the > correct NAPI instance in multiqueue nics? The NAPI instance could be made > easily available from skb->dev. In any case an index is much better than > a new pointer.
We do not keep skb->dev information once a packet leaves the rcu protected region.
Once packet is queued to tcp input queues, skb->dev is NULL.
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