On 10/29/2020 9:09 AM, Russell King wrote:
> DSA assumes that a bridge which has vlan filtering disabled is not
> vlan aware, and ignores all vlan configuration. However, the kernel
> software bridge code allows configuration in this state.
>
> This causes the kernel's idea of the bridge vlan state and the
> hardware state to disagree, so "bridge vlan show" indicates a correct
> configuration but the hardware lacks all configuration. Even worse,
> enabling vlan filtering on a DSA bridge immediately blocks all traffic
> which, given the output of "bridge vlan show", is very confusing.
>
> Allow the VLAN configuration to be updated on Marvell DSA bridges,
> otherwise we end up cutting all traffic when enabling vlan filtering.
>
> Signed-off-by: Russell King <rmk+ker...@armlinux.org.uk>
Reviewed-by: Florian Fainelli <f.faine...@gmail.com>
--
Florian
