[Bridge] [PATCH v5 net-next 02/10] net: bridge: offload all port flags at once in br_setport

Nikolay Aleksandrov nikolay at nvidia.com
Fri Feb 12 15:57:53 UTC 2021


On 12/02/2021 17:15, Vladimir Oltean wrote:
> From: Vladimir Oltean <vladimir.oltean at nxp.com>
> 
> If for example this command:
> 
> ip link set swp0 type bridge_slave flood off mcast_flood off learning off
> 
> succeeded at configuring BR_FLOOD and BR_MCAST_FLOOD but not at
> BR_LEARNING, there would be no attempt to revert the partial state in
> any way. Arguably, if the user changes more than one flag through the
> same netlink command, this one _should_ be all or nothing, which means
> it should be passed through switchdev as all or nothing.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean at nxp.com>
> ---
> Changes in v5:
> None.
> 
> Changes in v4:
> Leave br->lock alone completely.
> 
> Changes in v3:
> Don't attempt to drop br->lock around br_switchdev_set_port_flag now,
> move that part to a later patch.
> 
> Changes in v2:
> Patch is new.
> 
> Changes in v2:
> Patch is new.
> 
>  net/bridge/br_netlink.c   | 109 ++++++++++++--------------------------
>  net/bridge/br_switchdev.c |   6 ++-
>  2 files changed, 39 insertions(+), 76 deletions(-)
> 

LGTM, thanks!
Acked-by: Nikolay Aleksandrov <nikolay at nvidia.com>



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