netdev - Re: [PATCH RFC v2 6/6] tools: ynl: ethtool.py: Output timestamping statistics from tsinfo-get operation

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Date: Wed, 13 Mar 2024 17:47:07 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Rahul Rameshbabu <rrameshbabu@...dia.com>
Cc: ahmed.zaki@...el.com, aleksander.lobakin@...el.com,
 alexandre.torgue@...s.st.com, andrew@...n.ch, corbet@....net,
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 jiri@...nulli.us, joabreu@...opsys.com, justinstitt@...gle.com,
 kory.maincent@...tlin.com, leon@...nel.org, linux-doc@...r.kernel.org,
 linux-kernel@...r.kernel.org, liuhangbin@...il.com,
 maxime.chevallier@...tlin.com, netdev@...r.kernel.org, pabeni@...hat.com,
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 wojciech.drewek@...el.com
Subject: Re: [PATCH RFC v2 6/6] tools: ynl: ethtool.py: Output timestamping
 statistics from tsinfo-get operation

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