cffb3d66a8
Currently, '.get_dcb_info' must be supported for the port doing DCB test, or all information in 'rte_eth_dcb_info' are zero. It should be prevented when user run cmd "port config 0 dcb vt off 4 pfc off". This patch adds the check for support of reporting dcb info. Signed-off-by: Huisong Li <lihuisong@huawei.com> Signed-off-by: Lijun Ou <oulijun@huawei.com> Acked-by: Xiaoyun Li <xiaoyun.li@intel.com>