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Message-ID: <20080507090040.GA25186@gondor.apana.org.au>
Date: Wed, 7 May 2008 17:00:40 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Johannes Berg <johannes@...solutions.net>
Cc: linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
Ron Rindjunsky <ron.rindjunsky@...el.com>,
Tomas Winkler <tomasw@...il.com>,
Ivo van Doorn <ivdoorn@...il.com>,
Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>
Subject: Re: [RFC/RFT 3/4] mac80211: use GSO for fragmentation
On Wed, May 07, 2008 at 10:50:17AM +0200, Johannes Berg wrote:
>
> But you're right, it doesn't work this way. I'll have to think of
> something. Maybe I can rip out all the retry logic and just store an skb
> myself (like dev->gso_skb) and return NETDEV_TX_BUSY when I used that
> one and the queue got full because of it. That'll requeue a lot when
> non-gso skbs are coming in, but mind you this is not a common case, most
> of the time fragmentation will not be enabled and even when it is device
> queues should be long enough.
Yes keeping your own gso_skb sounds like a good solution.
Cheers,
--
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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