linux-kernel - Re: [PATCH for-next] RDMA/core: Get IB width and speed from netdev

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Date:   Fri, 2 Jun 2023 11:25:48 +0800
From:   Junxian Huang <huangjunxian6@...ilicon.com>
To:     Jason Gunthorpe <jgg@...dia.com>
CC:     <leon@...nel.org>, <linux-rdma@...r.kernel.org>,
        <linuxarm@...wei.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH for-next] RDMA/core: Get IB width and speed from netdev



On 2023/6/1 23:57, Jason Gunthorpe wrote:
> On Mon, May 22, 2023 at 09:25:02AM +0800, Junxian Huang wrote:
>> From: Haoyue Xu <xuhaoyue1@...ilicon.com>
>>
>> Logic of retrieving netdev lanes and speed from net_device and
>> translating it to IB width and speed. Also, add a generic function
>> to translating netdev speed to IB speed.
>>
>> Signed-off-by: Haoyue Xu <xuhaoyue1@...ilicon.com>
>> Signed-off-by: Luoyouming <luoyouming@...wei.com>
>> Signed-off-by: Junxian Huang <huangjunxian6@...ilicon.com>
>> ---
>>  drivers/infiniband/core/verbs.c | 19 +++++++++++++++++--
>>  include/rdma/ib_verbs.h         | 26 ++++++++++++++++++++++++++
>>  2 files changed, 43 insertions(+), 2 deletions(-)
> 
> Can you explain in the commit message why we'd want to do this?
> 
> Jason

Sure. I'll add the explanation in v2.

Junxian