From: Stephen Hemminger <shemminger@vyatta.com>
To: Frank Blaschka <blaschka@linux.vnet.ibm.com>
Cc: Chris Ross <chris@compilednetworks.com>, netdev@vger.kernel.org
Subject: Re: skb header allocation
Date: Thu, 3 Sep 2009 16:23:44 -0700 [thread overview]
Message-ID: <20090903162344.108374cb@nehalam> (raw)
In-Reply-To: <4A94CFB3.4020706@linux.vnet.ibm.com>
On Wed, 26 Aug 2009 08:01:23 +0200
Frank Blaschka <blaschka@linux.vnet.ibm.com> wrote:
> Is it save to change dev->hard_header_len to a value other than ETH_HLEN for
> an ethernet device?
>
> I rememeber we run in trouble with some kernel components (netfilter?, I'm
> not sure can't remember the details ...) when we did this is the past.
>
You can add extra data but need a minimum with ETH_HLEN of space above
packet when receiving.
--
prev parent reply other threads:[~2009-09-03 23:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-26 3:04 skb header allocation Chris Ross
2009-08-26 3:15 ` Stephen Hemminger
2009-08-26 6:01 ` Frank Blaschka
2009-09-03 23:23 ` Stephen Hemminger [this message]
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