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Date: Fri, 8 Sep 2006 13:08:35 +1200
From: Andrew Thompson <thompsa@freebsd.org>
To: Andre Oppermann <andre@freebsd.org>
Message-ID: <20060908010835.GA6334@heff.fud.org.nz>
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Cc: freebsd-net@freebsd.org, yar@comp.chem.msu.su, freebsd-arch@freebsd.org
Subject: Re: Moving ethernet VLAN tags into the mbuf packet header (from
	mtags)
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On Thu, Sep 07, 2006 at 05:07:25PM +0200, Andre Oppermann wrote:
> With the recent addition of a 16bit field for TSO into the mbuf packet
> header we've got 16bits left over.  I've reserved these bits for the
> ethernet VLAN tagging of packet to do away with the allocated mbuf mtag.
> 
> The change is rather mechanical.  Patch available here:
> 
>  http://people.freebsd.org/~andre/vlan_pkthdr-20060907.diff
> 

RCS file: /home/ncvs/src/sys/netgraph/ng_vlan.c,v
retrieving revision 1.3
diff -u -p -r1.3 ng_vlan.c
--- netgraph/ng_vlan.c	20 Apr 2005 14:19:20 -0000	1.3
+++ netgraph/ng_vlan.c	7 Sep 2006 15:03:58 -0000

<...>

-				vlan = EVL_VLANOFTAG(VLAN_TAG_VALUE(mtag));
+				vlan = m->m_pkthdr.ether_vlan;
 				(void)&evl;	/* XXX silence GCC */

I think this is a typeo, EVL_VLANOFTAG is still needed. I like the
change and it helps out a few related projects that people are working
on. 


Andrew