netdev - Re: [PATCH] vlan_dev: VLAN 0 should be treated as "no vlan tag" (802.1p packet)

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Message-ID: <1276542772.2444.13.camel@edumazet-laptop>
Date:	Mon, 14 Jun 2010 21:12:52 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Ben Hutchings <bhutchings@...arflare.com>,
	Pedro Garcia <pedro.netdev@...devamos.com>,
	netdev@...r.kernel.org
Subject: Re: [PATCH] vlan_dev: VLAN 0 should be treated as "no vlan tag"
 (802.1p packet)

Le lundi 14 juin 2010 à 19:11 +0200, Patrick McHardy a écrit :
> Ben Hutchings wrote:
> > On Mon, 2010-06-14 at 18:49 +0200, Pedro Garcia wrote:
> >   
> >> On Sun, 13 Jun 2010 22:56:30 +0100, Ben Hutchings
> >> <bhutchings@...arflare.com> wrote:
> >>     
> >>> I have no particular opinion on this change, but you need to read and
> >>> follow Documentation/SubmittingPatches.
> >>>
> >>> Ben.
> >>>       
> >> Sorry, first kernel patch, and I did not know about it. I resubmit with
> >> the correct style / format:
> >>     
> > [...]
> >
> > Sorry, no you haven't.
> >
> > - Networking changes go through David Miller's net-next-2.6 tree so you
> > need to use that as the baseline, not 2.6.26
> > - Patches should be applicable with -p1, not -p0 (so if you use diff,
> > you should run it from one directory level up)
> > - The patch was word-wrapped
> 
> Additionally:
> 
> - please use the proper comment style, meaning each line begins
>   with a '*'
> 
> - the pr_debug statements may be useful for debugging, but are
>   a bit excessive for the final version
> 
> - + /* 2010-06-13: Pedro Garcia
> 
>    We have changelogs for this, simply explaining what the code
>    does is enough.
> 
> - Please CC the maintainer (which is me)
> --

Pedro, we have two kind of vlan setups :

accelerated and non accelerated ones.

Your patch address non accelated ones only, since you only touch
vlan_skb_recv()

Accelerated vlan can follow these paths :

1) NAPI devices

vlan_gro_receive() -> vlan_gro_common()

2) non NAPI devices

__vlan_hwaccel_rx() 

So you might also patch __vlan_hwaccel_rx() and vlan_gro_common()

Please merge following bits to your patch submission :

http://kerneltrap.org/mailarchive/linux-netdev/2010/5/23/6277868


Good luck for your first patch !


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