netdev - Re: [PATCH 2.6.36] vlan: Avoid hwaccel vlan packets when vid not used

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Message-ID: <20101206203437.54b550e0@xenia.leun.net>
Date:	Mon, 6 Dec 2010 20:34:37 +0100
From:	Michael Leun <lkml20101129@...ton.leun.net>
To:	Jesse Gross <jesse@...ira.com>
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	David Miller <davem@...emloft.net>,
	Ben Greear <greearb@...delatech.com>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 2.6.36] vlan: Avoid hwaccel vlan packets when vid not
 used

On Mon, 6 Dec 2010 10:14:55 -0800
Jesse Gross <jesse@...ira.com> wrote:

> On Sun, Dec 5, 2010 at 2:44 AM, Michael Leun
> <lkml20101129@...ton.leun.net> wrote:
> > Hi Jesse,
> >
> > On Sun, 5 Dec 2010 10:55:28 +0100
> > Michael Leun <lkml20101129@...ton.leun.net> wrote:
> >
> >> On Sun, 05 Dec 2010 09:03:53 +0100
> >> Eric Dumazet <eric.dumazet@...il.com> wrote:
> >>
> >> > > But on
> >> > >
> >> > > hpdl320g5:/home/ml # lspci | grep Eth
> >> > > 03:04.0 Ethernet controller: Broadcom Corporation NetXtreme
> >> > > BCM5714 Gigabit Ethernet (rev a3) 03:04.1 Ethernet controller:
> >> > > Broadcom Corporation NetXtreme BCM5714 Gigabit Ethernet (rev
> >> > > a3)
> >> > >
> >> > > the good message is that it also does not crash, but with
> >> > > tcpdump I see vlan tags when no vlan devices configured on the
> >> > > respective eth, if so I do not see tags anymore vlan tags on
> >> > > the trunk interface.
> >> > >
> >> >
> >> > For all these very specific needs, you'll have to try 2.6.37 I am
> >> > afraid. Jesse did huge changes to exactly make this working, we
> >> > wont backport this to 2.6.36, but only avoid crashes.
> >>
> >> OK, I'm perfectly fine with that, of course, actually nice to hear
> >> that the issue already is addressed.
> >>
> >> Likely I'll give some rc an shot on this machine (maybe over
> >> christmas), but it is an production machine (acutally testing other
> >> devices is the "product" produced on this machine), so
> >> unfortunately I'm not that free in when and what I can do (but the
> >> possibility to, for example, bridge the trunk interface would make
> >> testing easier, that justifies something...).
> >>
> >> Thank you all very much for your work.
> >
> > Are these changes already in 2.6.37-rc4? Or, if not are they
> > somewhere publically available already?
> >
> > I looked into various changelogs but have some difficulties to
> > identify them...
> >
> > Maybe I have some time next days to give them an try...
> 
> Yes, all of the existing vlan changes are in 2.6.37-rc4.  There were a
> number of patches but the main one was
> 3701e51382a026cba10c60b03efabe534fba4ca4

Then, I'm afraid, this (seeing vlan tags even if vlan interfaces are
configured) does not work on HP DL320G5 (for exact description and
examples please see my mail a few days ago).

-- 
MfG,

Michael Leun

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