Re: [PATCH net-next 1/4] net: bridge: Add support for bridge port in locked mode

[Stephen Hemminger]

On Mon,  7 Feb 2022 11:07:39 +0100
Hans Schultz <schultz.hans@xxxxxxxxx> wrote:

> diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
> index 6218f93f5c1a..8fa2648fbc83 100644
> --- a/include/uapi/linux/if_link.h
> +++ b/include/uapi/linux/if_link.h
> @@ -532,6 +532,7 @@ enum {
>  	IFLA_BRPORT_GROUP_FWD_MASK,
>  	IFLA_BRPORT_NEIGH_SUPPRESS,
>  	IFLA_BRPORT_ISOLATED,
> +	IFLA_BRPORT_LOCKED,
>  	IFLA_BRPORT_BACKUP_PORT,
>  	IFLA_BRPORT_MRP_RING_OPEN,
>  	IFLA_BRPORT_MRP_IN_OPEN,

NAK
This is userspace API, adding a new value in enum in the middle
will reorder the numbers and break ABI.