On Mon, 9 Nov 2020 16:18:09 +0100 Karsten Graul wrote: > @@ -129,6 +131,12 @@ struct smc_diag_linkinfo { > __u8 ibport; /* RDMA device port number */ > __u8 gid[40]; /* local GID */ > __u8 peer_gid[40]; /* peer GID */ > + /* Fields above used by legacy v1 code */ > + __u32 conn_cnt; > + __u8 netdev[IFNAMSIZ]; /* ethernet device name */ Why report the name? Interfaces are generally identified by ifindex. > + __u8 link_uid[4]; /* unique link id */ > + __u8 peer_link_uid[4]; /* unique peer link id */ > + __u32 link_state; /* link state */ > };