[dpdk-dev] [PATCH V3] app/testpmd: support Tx mbuf free on demand cmd

[Li, Xiaoyun]

Hi

> -----Original Message-----
> From: Lijun Ou <oulijun at huawei.com>
> Sent: Monday, April 12, 2021 21:13
> To: Yigit, Ferruh <ferruh.yigit at intel.com>
> Cc: Li, Xiaoyun <xiaoyun.li at intel.com>; dev at dpdk.org;
> linuxarm at openeuler.org
> Subject: [PATCH V3] app/testpmd: support Tx mbuf free on demand cmd
> 
> From: Chengwen Feng <fengchengwen at huawei.com>
> 
> This patch support tx_done_cleanup command:
> tx_done_cleanup port (port_id) (queue_id) (free_cnt)
> 
> Users must make sure there are no concurrent access to the same Tx queue (like
> rte_eth_tx_burst, rte_eth_dev_tx_queue_stop and so on) this command
> executed.
> 
> Signed-off-by: Chengwen Feng <fengchengwen at huawei.com>
> Signed-off-by: Lijun Ou <oulijun at huawei.com>

As I remember, last comments (from Ferruh and Aaron) suggest you to do this in an unit test not testpmd.

> ---
> V2->V3:
> - The command implementation is changed so that the queuestate does
>   not depend on the command execution.
> 
> V1->V2:
> - use Tx instead of TX
> - add note in doc
> ---
>  app/test-pmd/cmdline.c                      | 85 +++++++++++++++++++++++++++++
>  doc/guides/rel_notes/release_21_05.rst      |  2 +
>  doc/guides/testpmd_app_ug/testpmd_funcs.rst | 11 ++++
>  3 files changed, 98 insertions(+)
<snip>
> +
>  show config
>  ~~~~~~~~~~~
> 
> --
> 2.7.4