netdev - Re: [PATCH v2 net 5/6] net: enetc: don't disable VLAN filtering in IFF

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Message-ID: <20210226154922.5956512b@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Fri, 26 Feb 2021 15:49:22 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     "David S . Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Michael Walle <michael@...le.cc>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandru Marginean <alexandru.marginean@....com>,
        Vladimir Oltean <vladimir.oltean@....com>,
        Markus Blöchl <Markus.Bloechl@...tronik.com>
Subject: Re: [PATCH v2 net 5/6] net: enetc: don't disable VLAN filtering in
 IFF_PROMISC mode

On Sat, 27 Feb 2021 01:42:44 +0200 Vladimir Oltean wrote:
> On Fri, Feb 26, 2021 at 03:28:36PM -0800, Jakub Kicinski wrote:
> > I don't understand what you're fixing tho.
> >
> > Are we trying to establish vlan-filter-on as the expected behavior?  
> 
> What I'm fixing is unexpected behavior, according to the applicable
> standards I could find. If I don't mark this change as a bug fix but as
> a simple patch, somebody could claim it's a regression, since promiscuity
> used to be enough to see packets with unknown VLANs, and now it no
> longer is...

Can we take it into net-next? What's your feeling on that option?