netdev - Re: [RFC PATCH net-next v6 1/5] net: Add NDOs for hardware timestamp get/set

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Message-ID: <20230512104105.6bc78950@kernel.org>
Date: Fri, 12 May 2023 10:41:05 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Max Georgiev <glipus@...il.com>
Cc: Vladimir Oltean <vladimir.oltean@....com>, kory.maincent@...tlin.com,
 netdev@...r.kernel.org, maxime.chevallier@...tlin.com,
 vadim.fedorenko@...ux.dev, richardcochran@...il.com,
 gerhard@...leder-embedded.com, liuhangbin@...il.com
Subject: Re: [RFC PATCH net-next v6 1/5] net: Add NDOs for hardware
 timestamp get/set

On Thu, 11 May 2023 21:22:23 -0600 Max Georgiev wrote:
> > > +     int                     (*ndo_hwtstamp_get)(struct net_device *dev,
> > > +                                                 struct kernel_hwtstamp_config *kernel_config,
> > > +                                                 struct netlink_ext_ack *extack);  
> >
> > I'm not sure it is necessary to pass an extack to "get". That should
> > only give a more detailed reason if the driver refuses something.  
> 
> I have to admit I just followed Jakub's guidance adding "extack" to the
> list of parametres. I'll let Jakub to comment on that.

We can drop it from get, I can't think of any strong use case.