mlxsw_sp_hdroom_configure_buffers
err = mlxsw_sp_hdroom_configure_buffers(mlxsw_sp_port, &tmp_hdroom, force);
err = mlxsw_sp_hdroom_configure_buffers(mlxsw_sp_port, hdroom, false);
mlxsw_sp_hdroom_configure_buffers(mlxsw_sp_port, &tmp_hdroom, false);
mlxsw_sp_hdroom_configure_buffers(mlxsw_sp_port, &orig_hdroom, false);