Re: [PATCH iproute2-next] iplink: add support for setting IPv4 devconf parameters

[David Ahern <dsahern@kernel.org>]

On 6/2/26 1:46 PM, Fernando Fernandez Mancera wrote:
> On 6/2/26 9:36 PM, David Ahern wrote:
>> On 6/1/26 8:32 AM, Fernando Fernandez Mancera wrote:
>>> Currently, modifying IPv4 interface configuration parameters requires
>>> interacting with sysctl (/proc/sys/net/ipv4/conf/*). While
>>> ip-netconf exists for monitoring these values, there has been no native
>>> way to set them directly through iproute2.
>>>
>>> This patch introduces the support for that via 'inet' at the 'ip link
>>> set'. It uses IFLA_INET_CONF netlink attribute to set the parameter.
>>>
>>> Example to enable forwarding on an interface:
>>>
>>> ip link set dev enp8s0 inet forwarding on
>>
>> If an attribute can be set this way, then ip link show needs to show the
>> values. What's the plan on that front?
>>
> 
> I could introduce it in a follow-up patch. I guess it makes sense to
> introduce it for ip -d link show only, right? I am happy to work on it
> anyway.

yes, -d only.

Will give Nicolas a chance to review.