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From: David Miller <davem@davemloft.net>
To: bmb@athenacr.com
Cc: tgraf@redhat.com, nhorman@tuxdriver.com, nhorman@redhat.com,
	eric.dumazet@gmail.com, herbert@gondor.hengli.com.au,
	netdev@vger.kernel.org
Subject: Re: [PATCH 1/2] ipv6: Store ndisc_nodeid in IP6CB().
Date: Sun, 23 May 2010 23:58:58 -0700 (PDT)	[thread overview]
Message-ID: <20100523.235858.262775026.davem@davemloft.net> (raw)
In-Reply-To: <20100519.195536.32704411.davem@davemloft.net>

From: David Miller <davem@davemloft.net>
Date: Wed, 19 May 2010 19:55:36 -0700 (PDT)

> 
> There is no reason we need to use up space in the generic
> SKB area for this.  All packet input paths in ipv6 explicitly
> clear out the IP6CB() area and therefore the default value
> for ndisc_nodeid will be correct.
> 
> Signed-off-by: David S. Miller <davem@davemloft.net>

Turns out the patch doesn't build, because it throws the
DCCP control block beyond the skb->cb[] size of 48 bytes
with ipv6 enabled on 64-bit.

Ho hum...

      parent reply	other threads:[~2010-05-24  6:58 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-20  2:55 [PATCH 1/2] ipv6: Store ndisc_nodeid in IP6CB() David Miller
2010-05-20  3:35 ` Herbert Xu
2010-05-24  6:58 ` David Miller [this message]

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