RDMA/netlink: Advertise IB subnet prefix

Add IB subnet prefix to the port properties exported
by RDMA netlink.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h
index fe3a7429e7a1..481003182a35 100644
--- a/include/uapi/rdma/rdma_netlink.h
+++ b/include/uapi/rdma/rdma_netlink.h
@@ -279,6 +279,11 @@ enum rdma_nldev_attr {
          */
         RDMA_NLDEV_ATTR_SYS_IMAGE_GUID,         /* u64 */
 
+        /*
+         * Subnet prefix (in host byte order)
+         */
+        RDMA_NLDEV_ATTR_SUBNET_PREFIX,          /* u64 */
+
         RDMA_NLDEV_ATTR_MAX
 };
 #endif /* _UAPI_RDMA_NETLINK_H */