diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 994c19d01211..531ff20b32ad 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -415,10 +415,17 @@ static int translate_eth_ext_proto_oper(u32 eth_proto_oper, u8 *active_speed,
 		*active_speed = IB_SPEED_EDR;
 		break;
 	case MLX5E_PROT_MASK(MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2):
+		*active_width = IB_WIDTH_2X;
+		*active_speed = IB_SPEED_EDR;
+		break;
 	case MLX5E_PROT_MASK(MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR):
 		*active_width = IB_WIDTH_1X;
 		*active_speed = IB_SPEED_HDR;
 		break;
+	case MLX5E_PROT_MASK(MLX5E_CAUI_4_100GBASE_CR4_KR4):
+		*active_width = IB_WIDTH_4X;
+		*active_speed = IB_SPEED_EDR;
+		break;
 	case MLX5E_PROT_MASK(MLX5E_100GAUI_2_100GBASE_CR2_KR2):
 		*active_width = IB_WIDTH_2X;
 		*active_speed = IB_SPEED_HDR;