netdev - Re: [PATCH net-next 2/3] netlink: specs: update rt-rule src/dst attribute types to support IPv4 addresses

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Message-ID: <f420e34d-40ff-43ce-8448-e7947d666dbf@fiberby.net>
Date: Thu, 6 Nov 2025 15:07:24 +0000
From: Asbjørn Sloth Tønnesen <ast@...erby.net>
To: Jakub Kicinski <kuba@...nel.org>, Hangbin Liu <liuhangbin@...il.com>
Cc: netdev@...r.kernel.org, Donald Hunter <donald.hunter@...il.com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>,
 Jan Stancek <jstancek@...hat.com>,
 "Matthieu Baerts (NGI0)" <matttbe@...nel.org>,
 Stanislav Fomichev <sdf@...ichev.me>, Shuah Khan <shuah@...nel.org>,
 Ido Schimmel <idosch@...dia.com>, Guillaume Nault <gnault@...hat.com>,
 Petr Machata <petrm@...dia.com>, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH net-next 2/3] netlink: specs: update rt-rule src/dst
 attribute types to support IPv4 addresses

On 11/6/25 2:41 PM, Jakub Kicinski wrote:
> On Thu, 6 Nov 2025 02:34:20 +0000 Hangbin Liu wrote:
>> but genetlink-c.yaml doesn't have "ipv4-or-v6". Do you know why?
> 
> Probably just wasn't used until now. It should be in all the schemas.
I couldn't find any other users, besides wireguard, as other families uses
the ATTRv4 / ATTRv6 style attributes.

In commit 1b255e1beabf I wrote:
> It only implements this display hint for genetlink-legacy, it
> can be added to other protocol variants if needed, but we don't
> want to encourage it's use.