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Date:	Wed, 16 May 2007 14:44:41 -0700
From:	Sridhar Samudrala <>
To:	Krishna Kumar2 <>
	David Miller <>,
	Gagan Arneja <>,,
	Evgeniy Polyakov <>,,,,
Subject: Re: [WIP] [PATCH] WAS Re: [RFC] New driver API to speed up small
 packets xmits

Krishna Kumar2 wrote:
> Hi Sridhar,
> Sridhar Samudrala <> wrote on 05/17/2007 03:42:03 AM:
>> AFAIK, gso_skb can be a list of skb's. Can we add a list
>> to another list using __skb_queue_head()?
>> Also, if gso_skb is a list of multiple skb's, i think the
>> count needs to be decremented by the number of segments in
>> gso_skb.
> gso_skb is the last GSO skb that failed to be sent. This already
> segmented skb is kept "cached" and whenever the next xmit happens,
> this skb is first sent before any packets from the queue are taken
> out (otherwise out-of-order packets). So there can atmost be one
> gso_skb per device.

Yes. There can be only one gso_skb per device. But it can have more
than one segments linked together via skb->next.


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