On 30/04/2020 18:29, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
>
> The librdmacm uses node_guid as identifier to correlate between
> IB devices and CMA devices. However FW resets cause to such
> "connection" to be lost and require from the user to restart
> its application.
>
> Extend UCMA to return IB device index, which is stable identifier.
>
> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> ---
> diff --git a/include/uapi/rdma/rdma_user_cm.h b/include/uapi/rdma/rdma_user_cm.h
> index e545f2de1e13..14d48b462d91 100644
> --- a/include/uapi/rdma/rdma_user_cm.h
> +++ b/include/uapi/rdma/rdma_user_cm.h
> @@ -168,6 +168,7 @@ struct rdma_ucm_query_route_resp {
> __u32 num_paths;
> __u8 port_num;
> __u8 reserved[3];
> + __u32 ibdev_index;
> };
>
> struct rdma_ucm_query_addr_resp {
> @@ -179,6 +180,7 @@ struct rdma_ucm_query_addr_resp {
> __u16 dst_size;
> struct __kernel_sockaddr_storage src_addr;
> struct __kernel_sockaddr_storage dst_addr;
> + __u32 ibdev_index;
> };
Should both these structs size be aligned to 8 bytes?
