netdev - Re: [patch net-next 1/8] ynl-gen-c.py: fix rendering of validate field

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Date: Tue, 1 Aug 2023 11:25:30 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Jiri Pirko <jiri@...nulli.us>
Cc: netdev@...r.kernel.org, pabeni@...hat.com, davem@...emloft.net,
 edumazet@...gle.com, moshe@...dia.com, saeedm@...dia.com,
 idosch@...dia.com, petrm@...dia.com
Subject: Re: [patch net-next 1/8] ynl-gen-c.py: fix rendering of validate
 field

On Tue,  1 Aug 2023 16:19:00 +0200 Jiri Pirko wrote:
> From: Jiri Pirko <jiri@...dia.com>
> 
> For split ops, do and dump has different value in validate field. Fix
> the rendering so for do op, only "strict" is filled out and for dump op,
> "strict" is prefixed by "dump-".
> 
> Signed-off-by: Jiri Pirko <jiri@...dia.com>
> ---
>  tools/net/ynl/ynl-gen-c.py | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
> index 650be9b8b693..1c36d0c935da 100755
> --- a/tools/net/ynl/ynl-gen-c.py
> +++ b/tools/net/ynl/ynl-gen-c.py
> @@ -1988,9 +1988,17 @@ def print_kernel_op_table(family, cw):
>                  cw.block_start()
>                  members = [('cmd', op.enum_name)]
>                  if 'dont-validate' in op:
> +                    dont_validate = []
> +                    for x in op['dont-validate']:
> +                        if op_mode == 'do' and x == 'dump':
> +                            continue
> +                        if op_mode == "dump" and x == 'strict':
> +                            x = 'dump-' + x
> +                        dont_validate.append(x)
> +
>                      members.append(('validate',
>                                      ' | '.join([c_upper('genl-dont-validate-' + x)
> -                                                for x in op['dont-validate']])), )
> +                                                for x in dont_validate])), )
>                  name = c_lower(f"{family.name}-nl-{op_name}-{op_mode}it")
>                  if 'pre' in op[op_mode]:
>                      members.append((cb_names[op_mode]['pre'], c_lower(op[op_mode]['pre'])))

I was hoping we can delete GENL_DONT_VALIDATE_DUMP_STRICT
but there is one cmd (TIPC_NL_LINK_GET) which
sets GENL_DONT_VALIDATE_STRICT and nothing about the dump.

To express something like that we should add dump-strict as
an allowed flag explicitly rather than doing the auto-prepending
-- 
pw-bot: cr