Re: [RFC PATCH v2 net-next 07/16] net: dsa: sync ageing time when joining the bridge

From: Tobias Waldekranz
Date: Mon Mar 22 2021 - 07:20:52 EST


On Fri, Mar 19, 2021 at 01:18, Vladimir Oltean <olteanv@xxxxxxxxx> wrote:
> From: Vladimir Oltean <vladimir.oltean@xxxxxxx>
>
> The SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME attribute is only emitted from:
>
> sysfs/ioctl/netlink
> -> br_set_ageing_time
> -> __set_ageing_time
>
> therefore not at bridge port creation time, so:
> (a) drivers had to hardcode the initial value for the address ageing time,
> because they didn't get any notification
> (b) that hardcoded value can be out of sync, if the user changes the
> ageing time before enslaving the port to the bridge
>
> Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
> ---

Reviewed-by: Tobias Waldekranz <tobias@xxxxxxxxxxxxxx>