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Date:   Sat, 23 May 2020 08:56:08 +0800
From:   tanhuazhong <>
To:     Jakub Kicinski <>
CC:     <>, <>,
        <>, <>,
        <>, <>,
        Guangbin Huang <>
Subject: Re: [PATCH net-next 1/5] net: hns3: add support for VF to query ring
 and vector mapping

On 2020/5/23 1:39, Jakub Kicinski wrote:
> On Fri, 22 May 2020 10:49:42 +0800 Huazhong Tan wrote:
>> From: Guangbin Huang <>
>> This patch adds support for VF to query the mapping of ring and
>> vector.
>> Signed-off-by: Guangbin Huang <>
>> Signed-off-by: Huazhong Tan <>

Hi, Jakub.

> Could you explain a little more what this is doing?

This patch just adds a new type of mailbox for VF to the mapping of ring 
and vector through PF. not a complicated feature;).

> Also what's using this? In the series nothing is making this request.

As mentioned in the cover, "this is needed by the hns3 DPDK VF PMD
driver", current the VF driver of linux kernel does need this info.
Should this also mention in this commit log?


> .

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