From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: Re: problem with IPoA (CLIP), NAT, and VLANS Date: Tue, 17 Feb 2009 13:28:11 +0100 Message-ID: <499AAD5B.8060706@trash.net> References: <20090216232016.GA4803@ami.dom.local> <499AA433.8070308@hiramoto.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Cc: Jarek Poplawski , netdev@vger.kernel.org, netfilter@vger.kernel.org, LKML To: Karl Hiramoto Return-path: In-Reply-To: <499AA433.8070308@hiramoto.org> Sender: netfilter-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Karl Hiramoto wrote: > What Patrick, said may be the case, that the underlaying atm driver is > not specifying the headroom. The driver is ported to 2.6.28 from > 2.6.11 based on the BSD licensed intel libaries: > http://www.intel.com/design/network/products/npfamily/download_ixp400.htm If those are the ones I think they are, I'm not too surprised ... > Where underneath a bunch of layers the skb is allocated with kmalloc like: > > size = PAGE_ALIGN (size + CACHE_LINE_SIZE); > order = get_order (size); > page = alloc_pages (GFP_KERNEL, order); How does it initialize the netdev struct?