[Bridge] [PATCH v4 net-next 10/15] net: bridge: switchdev object replay helpers for everybody

Vladimir Oltean olteanv at gmail.com
Mon Jul 19 08:19:08 UTC 2021


On Mon, Jul 19, 2021 at 12:44:29AM +0300, Vladimir Oltean wrote:
> Note that:
> (c) I do not expect a lot of functional change introduced for drivers in
>     this patch, because:
>     - nbp_vlan_init() is called _after_ netdev_master_upper_dev_link(),
>       so br_vlan_replay() should not do anything for the new drivers on
>       which we call it. The existing drivers where there was even a
>       slight possibility for there to exist a VLAN on a bridge port
>       before they join it are already guarded against this: mlxsw and
>       prestera deny joining LAG interfaces that are members of a bridge.
>     - br_fdb_replay() should now notify of local FDB entries, but I
>       patched all drivers except DSA to ignore these new entries in
>       commit 2c4eca3ef716 ("net: bridge: switchdev: include local flag
>       in FDB notifications"). Driver authors can lift this restriction
>       as they wish.
>     - br_mdb_replay() should now fix the issue described in commit
>       2c4eca3ef716 ("net: bridge: switchdev: include local flag in FDB
>       notifications") for all drivers, I don't see any downside.

I really meant commit 4f2673b3a2b6 ("net: bridge: add helper to replay
port and host-joined mdb entries"), sorry for the copy-pasta mistake.


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