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Date: Wed, 13 Mar 2024 17:47:07 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Rahul Rameshbabu <rrameshbabu@nvidia.com>
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Subject: Re: [PATCH RFC v2 6/6] tools: ynl: ethtool.py: Output timestamping
 statistics from tsinfo-get operation
Message-ID: <20240313174707.38a71c84@kernel.org>
In-Reply-To: <87plvxbqwy.fsf@nvidia.com>
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	<20240309084440.299358-7-rrameshbabu@nvidia.com>
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On Wed, 13 Mar 2024 17:22:50 -0700 Rahul Rameshbabu wrote:
> I think this is for 'flag' type attributes. Not for the "header" flags
> for the ethtool request, so I believe this cannot be done here, since
> the header flags are a u32 type, not a flag type.
> 
>   https://lore.kernel.org/netdev/20240222134351.224704-2-jiri@resnulli.us/
> 
>   -
>     name: header
>     attributes:
>       -
>         name: dev-index
>         type: u32
>       -
>         name: dev-name
>         type: string
>       -
>         name: flags
>         type: u32
> 
> vs
> 
>   -
>     name: bitset-bit
>     attributes:
>       -
>         name: index
>         type: u32
>       -
>         name: name
>         type: string
>       -
>         name: value
>         type: flag
> 
> So I believe Jiri's change applies for the latter, not the former (could
> be wrong here).

Ah, we're missing the enum definition and linking :S

I mean:

diff --git a/Documentation/netlink/specs/ethtool.yaml b/Documentation/netlink/specs/ethtool.yaml
index 197208f419dc..e1626c94d93b 100644
--- a/Documentation/netlink/specs/ethtool.yaml
+++ b/Documentation/netlink/specs/ethtool.yaml
@@ -16,6 +16,10 @@ doc: Partial family for Ethtool Netlink.
     name: stringset
     type: enum
     entries: []
+  -
+    name: header-flags
+    type: flags
+    entries: [ compact-bitset, omit-reply, stats ]
 
 attribute-sets:
   -
@@ -30,6 +34,7 @@ doc: Partial family for Ethtool Netlink.
       -
         name: flags
         type: u32
+        enum: header-flags
 
   -
     name: bitset-bit

See if that works and feel free to post it with my suggested-by