Re: [PATCH net-next v6 06/15] ethtool: netlink bitset handling

From: Michal Kubecek
Date: Thu Jul 04 2019 - 08:17:22 EST


On Thu, Jul 04, 2019 at 02:03:02PM +0200, Johannes Berg wrote:
> On Thu, 2019-07-04 at 13:52 +0200, Michal Kubecek wrote:
> >
> > There is still the question if it it should be implemented as a nested
> > attribute which could look like the current compact form without the
> > "list" flag (if there is no mask, it's a list). Or an unstructured data
> > block consisting of u32 bit length
>
> You wouldn't really need the length, since the attribute has a length
> already :-)

It has byte length, not bit length. The bitmaps we are dealing with
can have any bit length, not necessarily multiples of 8 (or even 32).

Michal