linux-kernel - Re: [PATCH] linkstate: Add macros for link state up/down

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Message-ID: <96b0d0b5-b022-4985-b88e-61e5498cfb82@schinagl.nl>
Date:   Tue, 6 Sep 2022 15:38:10 +0200
From:   Olliver Schinagl <oliver@...inagl.nl>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        "Gustavo A . R . Silva" <gustavoars@...nel.org>,
        Alexandru Tachici <alexandru.tachici@...log.com>,
        Hao Chen <chenhao288@...ilicon.com>,
        Olliver Schinagl <oliver+list@...inagl.nl>,
        "David S . Miller" <davem@...emloft.net>,
        Ido Schimmel <idosch@...dia.com>,
        Jakub Kicinski <kuba@...nel.org>
Subject: Re: [PATCH] linkstate: Add macros for link state up/down

Hey Andrew,

On 06-09-2022 14:18, Andrew Lunn wrote:
> On Tue, Sep 06, 2022 at 10:37:54AM +0200, Olliver Schinagl wrote:
>> The phylink_link_state.state property can be up or down, via 1 and 0.
>>
>> The other link state's (speed, duplex) are defined in ethtool.h so lets
>> add defines for the link-state there as well so we can use macro's to
>> define our up/down states.
> Hi Olliver
>
> The change itself is fine, but we don't add to the API without
> users. Please make use of these two new values somewhere, to show they
> are really useful.
>
>      Andrew

I actually ran into this need as I'm working on the realtek switch stuff 
over on openwrt, where I see link-states being set with 0/1. I'll search 
the kernel for these as well if that helps and can do a follow up of course.

Olliver