netdev - Re: [PATCH v2 0/3] devlink region trigger support

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Message-ID: <a8bdbb3f-35d3-efc0-0a9c-ca5546397032@huawei.com>
Date:   Tue, 14 Jan 2020 16:33:32 +0800
From:   Yunsheng Lin <linyunsheng@...wei.com>
To:     Jacob Keller <jacob.e.keller@...el.com>,
        Jiri Pirko <jiri@...nulli.us>
CC:     <netdev@...r.kernel.org>, <valex@...lanox.com>
Subject: Re: [PATCH v2 0/3] devlink region trigger support

On 2020/1/14 2:22, Jacob Keller wrote:
> 
> 
> On 1/13/2020 8:58 AM, Jiri Pirko wrote:
>> Why? That is the purpose of the dpipe, but make the hw
>> pipeline visible and show you the content of individual nodes.
>>
> 
> I agree. dpipe seems to be focused specifically on dumping nodes of the
> tables that represent the hardware's pipeline. I think it's unrelated to
> this discussion about regions vs health API.

Sorry for bringing up a not really unrelated question in the thread,

For the hns3 hw mac table, it seems the hns3 hw is pretty simple, it mainly
contain the port bitmaps of a mac address, then the hw can forward the packet
based on the dst mac' port bitamp.

It seems a litte hard to match to the dpipe API the last time I tried to
use dpipe API to dump that.

So maybe it would be good to have the support of table dumping (both structured
and binary table) for health API natively, so that we use it to dump some hw
table for both driver and user triggering cases.

I am not sure if other driver has the above requirement, and if the requirement
makes any sense?

> 
>