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Date: Wed, 16 May 2007 14:44:41 -0700 From: Sridhar Samudrala <sri@...ibm.com> To: Krishna Kumar2 <krkumar2@...ibm.com> CC: ak@...e.de, ashwin.chaugule@...unite.com, David Miller <davem@...emloft.net>, Gagan Arneja <gagan@...are.com>, hadi@...erus.ca, Evgeniy Polyakov <johnpol@....mipt.ru>, netdev@...r.kernel.org, netdev-owner@...r.kernel.org, rdreier@...co.com, xma@...ibm.com Subject: Re: [WIP] [PATCH] WAS Re: [RFC] New driver API to speed up small packets xmits Krishna Kumar2 wrote: > Hi Sridhar, > > Sridhar Samudrala <sri@...ibm.com> 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. Thanks Sridhar - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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