From: Evgeniy Polyakov <johnpol@2ka•mipt.ru>
To: Chris Friesen <cfriesen@nortel•com>
Cc: Herbert Xu <herbert@gondor•apana.org.au>, netdev@vger•kernel.org
Subject: Re: jumbo frames and memory fragmentation
Date: Sun, 9 Jul 2006 02:25:09 +0400 [thread overview]
Message-ID: <20060708222509.GF26000@2ka.mipt.ru> (raw)
In-Reply-To: <44A5B546.3010606@nortel.com>
On Fri, Jun 30, 2006 at 05:35:34PM -0600, Chris Friesen (cfriesen@nortel•com) wrote:
> Evgeniy Polyakov wrote:
>
> >It definitely will.
> >Packet split in hardware means separating data and headers into
> >different pages in different reads, while software page split means that
> >skb has a list of fragments where part of the packet will be DMAed, so
> >jumbo frame will be converted into several pages.
>
> Maybe I'm looking at the wrong code then. Can you point me to where
> this "software page split" is handled?
Yes, you are correct, e1000 only supports receiving page split for 82571 and
greater adapters.
> Chris
--
Evgeniy Polyakov
next prev parent reply other threads:[~2006-07-08 22:25 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-29 18:54 jumbo frames and memory fragmentation Chris Friesen
2006-06-30 13:01 ` Herbert Xu
2006-06-30 17:53 ` Chris Friesen
2006-06-30 18:48 ` Evgeniy Polyakov
2006-06-30 23:35 ` Chris Friesen
2006-07-01 0:04 ` Jesse Brandeburg
2006-07-08 22:25 ` Evgeniy Polyakov [this message]
2006-07-13 12:13 ` Herbert Xu
2006-07-17 17:16 ` Chris Friesen
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