> -----Original Message-----
> From: Yu Jiang <yux.jiang@intel.com>
> Sent: Wednesday, January 26, 2022 10:53 PM
> To: Tu, Lijuan <lijuan.tu@intel.com>; dts@dpdk.org
> Cc: Jiang, YuX <yux.jiang@intel.com>
> Subject: [dts][PATCH V2 2/2] tests/shutdown_api: wait for interface/link up
> 
> 1, use new method: is_interface_up/down to replace redundant code, ensure
> link up/down.
> 2, add tester's link check before send package.
> 3, add testpmd's wait_link_status_up to ensure port is up.
> 
> Signed-off-by: Yu Jiang <yux.jiang@intel.com>

Tested-by: Jiale Song < songx.jiale@intel.com> 
after apply framework patch [V2] framework/crb: Add functions of check and wait specified link status - Patchwork (dpdk.org), test passed.