From: Ian Campbell <Ian.Campbell@citrix.com>
To: Paul Durrant <Paul.Durrant@citrix.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>,
ANNIE LI <annie.li@oracle.com>,
xen-devel <xen-devel@lists.xen.org>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: xennet: skb rides the rocket: 20 slots
Date: Fri, 11 Jan 2013 10:16:03 +0000 [thread overview]
Message-ID: <1357899363.9456.116.camel@zakaz.uk.xensource.com> (raw)
In-Reply-To: <291EDFCB1E9E224A99088639C4762022012CCFEB82DE@LONPMAILBOX01.citrite.net>
On Fri, 2013-01-11 at 10:09 +0000, Paul Durrant wrote:
> > -----Original Message-----
> > Without GSO I don't think you should be seeing packets larger than the MTU,
> > which would normally be either ~1500 or ~9000 and fit easily within any
> > sensible negotiation for the max frags. I don't think you should worry unduly
> > about this case.
> >
>
> A stack could still send down a packet with one byte per frag though,
> right? A copy-and-coalesce path would still be needed in this case.
True. In that case skb_linearise would probably do the job on Linux.
Ian
next prev parent reply other threads:[~2013-01-11 10:16 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-04 16:28 xennet: skb rides the rocket: 20 slots Sander Eikelenboom
2013-01-07 10:55 ` Ian Campbell
2013-01-07 12:30 ` Sander Eikelenboom
2013-01-07 13:27 ` Ian Campbell
2013-01-07 14:05 ` Sander Eikelenboom
2013-01-07 14:12 ` Ian Campbell
2013-01-08 2:12 ` ANNIE LI
2013-01-08 10:05 ` Ian Campbell
2013-01-08 10:16 ` Paul Durrant
2013-01-08 20:57 ` James Harper
2013-01-08 22:04 ` Konrad Rzeszutek Wilk
2013-01-08 20:55 ` Sander Eikelenboom
2013-01-09 7:10 ` ANNIE LI
2013-01-09 15:08 ` Konrad Rzeszutek Wilk
2013-01-09 16:34 ` Ian Campbell
2013-01-09 17:05 ` Konrad Rzeszutek Wilk
2013-01-09 18:02 ` Ian Campbell
2013-01-10 11:22 ` ANNIE LI
2013-01-10 12:24 ` Sander Eikelenboom
2013-01-10 12:26 ` Ian Campbell
2013-01-10 15:39 ` Konrad Rzeszutek Wilk
2013-01-10 16:25 ` Ian Campbell
2013-01-11 7:34 ` ANNIE LI
2013-01-11 9:56 ` Ian Campbell
2013-01-11 10:09 ` Paul Durrant
2013-01-11 10:16 ` Ian Campbell [this message]
[not found] ` <50F3D269.6030601@oracle.com>
2013-03-09 12:56 ` Fwd: " Sander Eikelenboom
[not found] ` <19010312768.20130124094542@eikelenboom.it>
2013-03-09 12:57 ` Sander Eikelenboom
2013-03-10 5:22 ` ANNIE LI
2013-03-12 11:37 ` Ian Campbell
2013-03-15 5:14 ` annie li
2013-03-15 21:29 ` Sander Eikelenboom
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