net/mlx_en: Timestamping is not supported in slave mode

Old hypervisors don't mask out timestamp capability for slave. Till slave support will be added, need to disable capability by slave. Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>

Author: amirv

drivers/net/ethernet/mellanox/mlx4/main.c

@@ -632,6 +632,9 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
 dev->caps.cqe_size = 32;
 }
 
+dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS;
+mlx4_warn(dev, "Timestamping is not supported in slave mode.\n");
+
 slave_adjust_steering_mode(dev, &dev_cap, &hca_param);
 
 return 0;