On Friday 11 May 2007 13:16:44 Roland Dreier wrote:
>  > I wasn't talking about sending.
>  > 
>  > But there actually is :- TSO/GSO.
> 
> As I said before, getting multiple packets in one call to xmit would
> be nice for amortizing per-xmit overhead in IPoIB.  So it would be
> nice if the cases where the stack does GSO ended up passing all the
> segments into the driver in one go.

Well TCP does upto 64k -- that is what GSO is about.

If you want it for unrelated connections I'm not sure it would actually
work because if you have a deep TX queue already it is unlikely 
the qdisc will buffer that much. Most packet injection should
come from the individual sockets which is obviously only a single connection.

-Andi
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