DCB is not necessary to be configured if no user priority of
queue region is requested.
Unexpected configuration of DCB will cause unexpected behavior, like
FDIR does not work on those queues, but could cause more issues.
Fixes: 7cbecc2f7424 ("net/i40e: support queue region set and flush")
Cc: stable@dpdk.org
Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
Tested-by: Yuan Peng <yuan.peng@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
991a2e812f