[PATCH v3] net/iavf: fix iavf query stats in intr thread

[Jiale, SongX]

> -----Original Message-----
> From: Kaiwen Deng <kaiwenx.deng at intel.com>
> Sent: Wednesday, March 22, 2023 3:26 PM
> To: dev at dpdk.org
> Cc: stable at dpdk.org; Yang, Qiming <qiming.yang at intel.com>; Zhou, YidingX
> <yidingx.zhou at intel.com>; Deng, KaiwenX <kaiwenx.deng at intel.com>;
> Chas Williams <chas3 at att.com>; Min Hu (Connor) <humin29 at huawei.com>;
> Wu, Jingjing <jingjing.wu at intel.com>; Xing, Beilei <beilei.xing at intel.com>;
> Mike Pattrick <mkp at redhat.com>; Zhang, Qi Z <qi.z.zhang at intel.com>;
> Doherty, Declan <declan.doherty at intel.com>; Mrzyglod, Daniel T
> <daniel.t.mrzyglod at intel.com>; Dapeng Yu <dapengx.yu at intel.com>
> Subject: [PATCH v3] net/iavf: fix iavf query stats in intr thread
> 
> When iavf send query-stats command in eal-intr-thread through virtual
> channel, there will be no response received from iavf_dev_virtchnl_handler
> for this command during block and wait.
> Because iavf_dev_virtchnl_handler is also registered in eal-intr-thread.
> 
> When vf device is bonded as BONDING_MODE_TLB mode, the slave device
> update callback will registered in alarm and called by eal-intr-thread, it would
> also raise the above issue.
> 
> This commit add to poll the response for VIRTCHNL_OP_GET_STATS when it
> is called by eal-intr-thread to fix this issue.
> 
> Fixes: 91bf37d250aa ("net/iavf: add lock for VF commands")
> Fixes: 22b123a36d07 ("net/avf: initialize PMD")
> Fixes: 7c76a747e68c ("bond: add mode 5")
> Fixes: 435d523112cc ("net/iavf: fix multi-process shared data")
> Fixes: cb5c1b91f76f ("net/iavf: add thread for event callbacks")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Kaiwen Deng <kaiwenx.deng at intel.com>
> ---
Tested-by: Jiale Song < songx.jiale at intel.com>