On Thursday 09 February 2006 00:07, David Stevens wrote:
> From: Stephen Hemminger <[EMAIL PROTECTED]>
> 
> > IMHO converting skb->dev to skb->devindex and using ifindex sounds best.
> > It gets rid of the need to refcount as much but keeps the safety from
> > buggy protocols.  Ipv6 could probably use ifindex as well.
> 
>         A couple years ago, we identified a performance problem in
> IPv6 because it had the index and not the dev in a per-packet piece
> of code. The result was spending a lot of time searching the device
> list just to increment a (required) per-device MIB counter.
>         I don't know if that's still there or not, but of course
> those sorts of implications should be considered, too.

It's using a hash these days.

-Andi
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