> On Tue, 7 Mar 2023 15:53:58 +0100 Lorenzo Bianconi wrote:
> > Properly manage render-max property for flags definition type
> > introducing mask value and setting it to (last_element << 1) - 1
> > instead of adding max value set to last_element + 1
> >
> > Fixes: be5bea1cc0bf ("net: add basic C code generators for Netlink")
> > Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
> > ---
> > tools/net/ynl/ynl-gen-c.py | 11 ++++++++---
> > 1 file changed, 8 insertions(+), 3 deletions(-)
> >
> > diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
> > index 274e9c566f61..f2e41dd962d4 100755
> > --- a/tools/net/ynl/ynl-gen-c.py
> > +++ b/tools/net/ynl/ynl-gen-c.py
> > @@ -1995,9 +1995,14 @@ def render_uapi(family, cw):
> >
> > if const.get('render-max', False):
> > cw.nl()
> > - max_name = c_upper(name_pfx + 'max')
> > - cw.p('__' + max_name + ',')
> > - cw.p(max_name + ' = (__' + max_name + ' - 1)')
> > + if const['type'] == 'flags':
> > + max_name = c_upper(name_pfx + 'mask')
> > + max_val = f' = {(entry.user_value() << 1) - 1},'
>
> Hm, why not use const.get_mask() here? Rather than the last entry?
actually I did this change but it ended up in patch 3/8. I will fix it in v2.
Regards,
Lorenzo
>
> > + cw.p(max_name + max_val)
> > + else:
> > + max_name = c_upper(name_pfx + 'max')
> > + cw.p('__' + max_name + ',')
> > + cw.p(max_name + ' = (__' + max_name + ' - 1)')
> > cw.block_end(line=';')
> > cw.nl()
> > elif const['type'] == 'const':
>
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