netdev - Re: [PATCH net-next 2/3] tools: ynl-gen: support using defines in checks

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Date: Mon, 18 Dec 2023 14:23:10 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Hangbin Liu <liuhangbin@...il.com>
Cc: netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next 2/3] tools: ynl-gen: support using defines in
 checks

On Sat, 16 Dec 2023 16:44:30 +0800 Hangbin Liu wrote:
> On Fri, Dec 15, 2023 at 06:08:24PM -0800, Jakub Kicinski wrote:
> > On Fri, 15 Dec 2023 11:50:08 +0800 Hangbin Liu wrote:  
> > > -    pattern: ^[0-9A-Za-z_]+( - 1)?$
> > > +    pattern: ^[0-9A-Za-z_-]+( - 1)?$  
> > 
> > Why the '-' ? Could you add an example of the define you're trying to
> > match to the commit message?  
> For team driver, there is a define like:
> 
> #define TEAM_STRING_MAX_LEN 32
> 
> So I'd like to define it in yaml like:
> 
> definitions:
>   -
>     name: string-max-len
>     type: const
>     value: 32
> 
> And use it in the attribute-sets like
> 
> attribute-sets:
>   -
>     name: attr-option
>     name-prefix: team-attr-option-
>     attributes:
>       -
>         name: unspec
>         type: unused
>         value: 0
>       -
>         name: name
>         type: string
>         checks:
>           len: string-max-len
> 
> With this patch it will be converted to
> 
> [TEAM_ATTR_OPTION_NAME] = { .type = NLA_STRING, .len = TEAM_STRING_MAX_LEN, }

Ah, I see. The spec match needs to work on names before they go thru
c_upper(). The patch makes sense:

Reviewed-by: Jakub Kicinski <kuba@...nel.org>