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

From: Jakub Kicinski <kuba@kernel.org>
To: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Cc: ahmed.zaki@intel.com, aleksander.lobakin@intel.com,
	alexandre.torgue@foss.st.com, andrew@lunn.ch, corbet@lwn.net,
	davem@davemloft.net, dtatulea@nvidia.com, edumazet@google.com,
	gal@nvidia.com, hkallweit1@gmail.com, jacob.e.keller@intel.com,
	jiri@resnulli.us, joabreu@synopsys.com, justinstitt@google.com,
	kory.maincent@bootlin.com, leon@kernel.org,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	liuhangbin@gmail.com, maxime.chevallier@bootlin.com,
	netdev@vger.kernel.org, pabeni@redhat.com,
	paul.greenwalt@intel.com, przemyslaw.kitszel@intel.com,
	rdunlap@infradead.org, richardcochran@gmail.com,
	saeed@kernel.org, tariqt@nvidia.com, vadim.fedorenko@linux.dev,
	vladimir.oltean@nxp.com, wojciech.drewek@intel.com
Subject: Re: [PATCH RFC v2 6/6] tools: ynl: ethtool.py: Output timestamping statistics from tsinfo-get operation
Date: Wed, 13 Mar 2024 17:47:07 -0700	[thread overview]
Message-ID: <20240313174707.38a71c84@kernel.org> (raw)
In-Reply-To: <87plvxbqwy.fsf@nvidia.com>

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
