netdev - Re: [PATCH net-next] net: bridge: add per-port group_fwd

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Date:   Fri, 29 Sep 2017 06:04:18 +0100 (WEST)
From:   David Miller <davem@...emloft.net>
To:     nikolay@...ulusnetworks.com
Cc:     netdev@...r.kernel.org, roopa@...ulusnetworks.com,
        bridge@...ts.linux-foundation.org, stephen@...workplumber.org
Subject: Re: [PATCH net-next] net: bridge: add per-port group_fwd_mask with
 less restrictions

From: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Date: Wed, 27 Sep 2017 16:12:44 +0300

> We need to be able to transparently forward most link-local frames via
> tunnels (e.g. vxlan, qinq). Currently the bridge's group_fwd_mask has a
> mask which restricts the forwarding of STP and LACP, but we need to be able
> to forward these over tunnels and control that forwarding on a per-port
> basis thus add a new per-port group_fwd_mask option which only disallows
> mac pause frames to be forwarded (they're always dropped anyway).
> The patch does not change the current default situation - all of the others
> are still restricted unless configured for forwarding.
> We have successfully tested this patch with LACP and STP forwarding over
> VxLAN and qinq tunnels.
> 
> Signed-off-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>

Applied, thanks.