linux-kernel - Re: [PATCH 22/25] xen: xen-netfront: use skb.cb for storing private data

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Date:	Sat, 28 Apr 2007 16:28:39 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Andi Kleen <ak@...e.de>, Andrew Morton <akpm@...ux-foundation.org>,
	virtualization@...ts.osdl.org, lkml <linux-kernel@...r.kernel.org>,
	Chris Wright <chrisw@...s-sol.org>,
	Christian Limpach <Christian.Limpach@...cam.ac.uk>
Subject: Re: [PATCH 22/25] xen: xen-netfront: use skb.cb for storing private data

On Fri, Apr 27, 2007 at 04:27:21PM -0700, Jeremy Fitzhardinge wrote:
> Herbert Xu wrote:
> > They can be applied separately so you don't need the dom0 part for your
> > tree.
> 
> Great, thanks.

BTW, the version I posted to you is missing the following line.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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--
--- linux-2.6.20.i386/drivers/xen/core/skbuff.c	2007-04-28 15:30:16.000000000 +1000
+++ build-2.6.20.i386/drivers/xen/core/skbuff.c	2007-04-28 15:30:52.000000000 +1000
@@ -89,6 +89,7 @@
 	skb->h.raw = (unsigned char *)skb->nh.iph + 4*skb->nh.iph->ihl;
 	if (skb->h.raw >= skb->tail)
 		goto out;
+	skb->csum_start = skb->h.raw - skb->head;
 	switch (skb->nh.iph->protocol) {
 	case IPPROTO_TCP:
 		skb->csum_offset = offsetof(struct tcphdr, check);
-
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