Moving ethernet VLAN tags into the mbuf packet header (from mtags)

[Andre Oppermann]

Andrew Thompson wrote:
> 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. 

Fixed.  Thanks for the review!

-- 
Andre