diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h
index da7cd62bace746879e154829b5ecad5f6cd87c00..0b3d30837a9f6456aabe028f5f9931b3593d778c 100644
--- a/include/uapi/rdma/mlx5-abi.h
+++ b/include/uapi/rdma/mlx5-abi.h
@@ -34,6 +34,7 @@
 #define MLX5_ABI_USER_H
 
 #include <linux/types.h>
+#include <linux/if_ether.h>	/* For ETH_ALEN. */
 
 enum {
 	MLX5_QP_FLAG_SIGNATURE		= 1 << 0,
@@ -66,7 +67,7 @@ struct mlx5_ib_alloc_ucontext_req {
 };
 
 enum mlx5_lib_caps {
-	MLX5_LIB_CAP_4K_UAR	= (u64)1 << 0,
+	MLX5_LIB_CAP_4K_UAR	= (__u64)1 << 0,
 };
 
 struct mlx5_ib_alloc_ucontext_req_v2 {