netdev - Re: [PATCH 4/7] devlink: Adding perm config of link settings

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Date:   Wed, 18 Oct 2017 15:01:08 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Steve Lin <steven.lin1@...adcom.com>
Cc:     netdev@...r.kernel.org, Jiri Pirko <jiri@...lanox.com>,
        "David S . Miller" <davem@...emloft.net>,
        Michael Chan <michael.chan@...adcom.com>,
        John Linville <linville@...driver.com>,
        Andy Gospodarek <gospo@...adcom.com>
Subject: Re: [PATCH 4/7] devlink: Adding perm config of link settings

Wed, Oct 18, 2017 at 02:39:42PM CEST, steven.lin1@...adcom.com wrote:
>On Wed, Oct 18, 2017 at 3:31 AM, Jiri Pirko <jiri@...nulli.us> wrote:
>>
>> You need to split the config option to those that are per-port and to
>> those that are per-asic. For each family, you have to use ither
>> devlink_port of devlink handle. Also, you need to split into those that are
>> permanent and to those who are teporary (until reset). I think you might
>> need some flags for that.
>>
>
>All these are permanent; none are temporary - that's (partially) why
>we consider these to be devlink/device parameters rather than a
>netdev/ethtool thing, since they take effect after the next reset and
>before any drivers are loaded (i.e. the card uses these parameters for
>its default/startup configuration).

Understood. But I think that this iface should be capable to serve the
options of non-permanent as well. Or this could be 2 separate interfaces
with 2 separate cmd pair. Thoughts?


>
>I will take a closer look at splitting these between per-port and per-asic.
>
>Thanks,
>Steve