netdev - Re: [PATCH iproute2-next v1 1/4] rdma: update uapi headers

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Message-ID: <e91ebfe0-87aa-0dc4-7c2c-48004cc761c7@gmail.com>
Date:   Sun, 5 Jul 2020 09:02:42 -0600
From:   David Ahern <dsahern@...il.com>
To:     Leon Romanovsky <leon@...nel.org>
Cc:     Maor Gottlieb <maorg@...lanox.com>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        linux-netdev <netdev@...r.kernel.org>,
        RDMA mailing list <linux-rdma@...r.kernel.org>
Subject: Re: [PATCH iproute2-next v1 1/4] rdma: update uapi headers

On 6/24/20 4:40 AM, Leon Romanovsky wrote:
> diff --git a/rdma/include/uapi/rdma/rdma_netlink.h b/rdma/include/uapi/rdma/rdma_netlink.h
> index ae5a77a1..fe127b88 100644
> --- a/rdma/include/uapi/rdma/rdma_netlink.h
> +++ b/rdma/include/uapi/rdma/rdma_netlink.h
> @@ -287,6 +287,12 @@ enum rdma_nldev_command {
>  
>  	RDMA_NLDEV_CMD_STAT_DEL,
>  
> +	RDMA_NLDEV_CMD_RES_QP_GET_RAW, /* can dump */
> +
> +	RDMA_NLDEV_CMD_RES_CQ_GET_RAW, /* can dump */
> +
> +	RDMA_NLDEV_CMD_RES_MR_GET_RAW, /* can dump */
> +
>  	RDMA_NLDEV_NUM_OPS
>  };

you are inserting new commands in the middle which breaks existing users
of this API.