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From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: "Zhang, Peng1X" <peng1x.zhang@intel.com>,
	"Yang, Qiming" <qiming.yang@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Cc: "stable@dpdk.org" <stable@dpdk.org>
Subject: RE: [PATCH v2] net/ice: fix DCF state checking mechanism
Date: Wed, 18 May 2022 06:45:44 +0000
Message-ID: <DM4PR11MB5994BA33A1B70D374CB64519D7D19@DM4PR11MB5994.namprd11.prod.outlook.com> (raw)
In-Reply-To: <CO1PR11MB5105546E22FDB4100D488E53CED19@CO1PR11MB5105.namprd11.prod.outlook.com>



> -----Original Message-----
> From: Zhang, Peng1X <peng1x.zhang@intel.com>
> Sent: Wednesday, May 18, 2022 2:36 PM
> To: Zhang, Qi Z <qi.z.zhang@intel.com>; Yang, Qiming
> <qiming.yang@intel.com>; dev@dpdk.org
> Cc: stable@dpdk.org
> Subject: RE: [PATCH v2] net/ice: fix DCF state checking mechanism
> 
> Ok, because error phenomena happens during the period VF reset again and
> again following situation will possible happen as following steps describe:
> step 1. DCF state has been set to on after VF has reset.
> step 2. A VF reset happen, kernel send an event to DCF and set STATE to pause.
> step 3. Before DCF receive the event, it is possible a rule creation is ongoing,
> then in virtual channel queue, the rule request is in front of the "re-connect",
> then it will be rejected.
> step 4.But the DCF state is not set to pause, according to previous logic error
> code will be EINVAL, while not EAGAIN.
> 
> In conclusion, in upper situation error code which should not be EINVAL and
> EAGAIN is expected.

Ok, Please send a new version


  reply	other threads:[~2022-05-18  6:45 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-11 15:49 peng1x.zhang
2022-05-13  9:56 ` Connolly, Padraig J
2022-05-17  7:35 ` Zhang, Qi Z
2022-05-18  6:36   ` Zhang, Peng1X
2022-05-18  6:45     ` Zhang, Qi Z [this message]
2022-05-19  6:05       ` Zhang, Peng1X
2022-05-20 18:31 ` [PATCH v3] " peng1x.zhang
2022-05-21  2:17   ` Zhang, Qi Z
2022-05-31 17:48   ` [PATCH v4] net/ice: retry sending adminQ command after failure peng1x.zhang
2022-05-31 11:51     ` Zhang, Qi Z
2022-06-01  1:48       ` Zhang, Peng1X
2022-06-01  1:53         ` Zhang, Qi Z
2022-06-01  2:46           ` Zhang, Peng1X
2022-06-01  3:22             ` Zhang, Qi Z
2022-06-01  5:35               ` Zhang, Peng1X
2022-06-08 10:21     ` [PATCH v5] net/ice: add retry mechanism for DCF " peng1x.zhang

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