netdev - Re: [PATCH iproute2-next] ip-xfrm: add pcpu-num support

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Message-ID: <a0d03ce2-eccf-4818-ade7-5be737145aa3@kernel.org>
Date: Mon, 3 Nov 2025 09:36:28 -0700
From: David Ahern <dsahern@...nel.org>
To: Sabrina Dubroca <sd@...asysnail.net>
Cc: Stephen Hemminger <stephen@...workplumber.org>, netdev@...r.kernel.org,
 Steffen Klassert <steffen.klassert@...unet.com>
Subject: Re: [PATCH iproute2-next] ip-xfrm: add pcpu-num support

On 11/3/25 2:48 AM, Sabrina Dubroca wrote:
> 2025-10-30, 19:32:10 -0600, David Ahern wrote:
>> On 10/30/25 5:51 PM, Sabrina Dubroca wrote:
>>> With the netlink specs project, it's also maybe less attractive?
>>> (netlink spec for ipsec is also on my todo list and I've given
>>> it a look, ipxfrm conversion is probably easier)
>>>
>>
>> That is an interesting question. I guess it depends on the long term
>> expectations for the tooling. There is a lot to like about the specs.
>> Does Red Hat include the commands in recent RHEL releases? ie., do we
>> know of it gaining traction in the more "popular" OS releases?
> 
> Yes, it's present in the latest RHEL release and recent Fedoras.
> (no idea what Debian and Ubuntu do)
> 

That's a start. From there we need to figure out adoption rate. The
legacy arp and ifconfig tools are still widely used despite requests to
move to ip meaning habits are to break.

I would give the netlink spec priority.