Re: [PATCH net-next v2] devlink: Implement devlink param multi attribute nested data values

[Ratheesh Kannoth]

On 2026-01-27 at 23:34:29, Jakub Kicinski (kuba@xxxxxxxxxx) wrote:
> On Tue, 27 Jan 2026 10:51:10 +0100 Jiri Pirko wrote:
> > Tue, Jan 27, 2026 at 02:18:59AM +0100, kuba@xxxxxxxxxx wrote:
> > >On Mon, 26 Jan 2026 08:09:44 +0530 Ratheesh Kannoth wrote:
> > >> Devlink param value attribute is not defined since devlink is handling
> > >> the value validating and parsing internally, this allows us to implement
> > >> multi attribute values without breaking any policies.
> > >>
> > >> Devlink param multi-attribute values are considered to be dynamically
> > >> sized arrays of u32 values, by introducing a new devlink param type
> > >> DEVLINK_PARAM_TYPE_U32_ARRAY, driver and user space can set a variable
> > >> count of u32 values into the DEVLINK_ATTR_PARAM_VALUE_DATA attribute.
> > >>
> > >> Implement get/set parsing and add to the internal value structure passed
> > >> to drivers.
> > >>
> > >> This is useful for devices that need to configure a list of values for
> > >> a specific configuration.
> > >
> > >Could you respin this as a series with the first driver implementing
> > >a param of this type?  We can't merge an API without a user.
> >
> > I may be missed it, are you okay with cleanup helpers now (__free(kfree)
> > used here), or not yet? :)
>
> Of course not,
Will remove it. Thanks,

>I haven't looked at the patch at all.