netdev - Re: [RFC] New driver API to speed up small packets xmits

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Message-ID: <46438336.5070408@gmail.com>
Date:	Thu, 10 May 2007 13:40:22 -0700
From:	Gagan Arneja <gaagaan@...il.com>
To:	David Miller <davem@...emloft.net>
CC:	sri@...ibm.com, rick.jones2@...com, krkumar2@...ibm.com,
	johnpol@....mipt.ru, netdev@...r.kernel.org
Subject: Re: [RFC] New driver API to speed up small packets xmits

David Miller wrote:
> 
> If the qdisc is packed with packets and we would just loop sending
> them to the device, yes it might make sense.
> 
> But if that isn't the case, which frankly is the usual case, you add a
> non-trivial amount of latency by batching and that's bad exactly for
> the kind of applications that send small frames.
> 

I don't understand how transmitting already batched up packets in one go 
introduce latency.

--
Gagan
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