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From: "Zhang, Qi Z" <>
To: "Wang, Haiyue" <>, "" <>
Cc: "Yang, Qiming" <>,
	"Fu, Qi" <>, "" <>
Subject: Re: [dpdk-stable] [PATCH v3] net/ice: drain out DCF AdminQ command queue
Date: Fri, 22 Jan 2021 02:38:23 +0000
Message-ID: <> (raw)
In-Reply-To: <>

> -----Original Message-----
> From: Wang, Haiyue <>
> Sent: Friday, January 22, 2021 1:32 AM
> To:
> Cc: Yang, Qiming <>; Zhang, Qi Z
> <>; Fu, Qi <>; Wang, Haiyue
> <>;
> Subject: [PATCH v3] net/ice: drain out DCF AdminQ command queue
> The virtchnl message is handled one by one by checking opcode to match the
> response for the request.
> The DCF AdminQ command with buffer needs two virtchnl commands, one is to
> handle the AdminQ descriptor, the other is to the handle AdminQ buffer. If both
> of them are sent to PF successfully, it needs to wait two responses from PF,
> even if the AdminQ descriptor command gets the failure response. Since PF will
> handle them one by one, and send back the response for each.
> If not wait for the buffer message response until timeout to drain out the
> virtchnl command queue, it will cause the next AdminQ command with buffer to
> get the stall buffer response from previous.
> Fixes: daa714d55c72 ("net/ice: handle AdminQ command by DCF")
> Cc:
> Signed-off-by: Haiyue Wang <>

Acked-by: Qi Zhang <>

Applied to dpdk-next-net-intel.


      reply	other threads:[~2021-01-22  2:38 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <>
2021-01-21 14:23 ` [dpdk-stable] [PATCH v2] " Haiyue Wang
2021-01-21 17:31 ` [dpdk-stable] [PATCH v3] " Haiyue Wang
2021-01-22  2:38   ` Zhang, Qi Z [this message]

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