netdev - Re: [PATCH net-next v6 1/7] net: ethtool: pass ethtool_rxfh to get/set

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Date: Mon, 27 Nov 2023 08:55:52 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Ahmed Zaki <ahmed.zaki@...el.com>, Edward Cree <ecree.xilinx@...il.com>
Cc: <netdev@...r.kernel.org>, <intel-wired-lan@...ts.osuosl.org>,
 <corbet@....net>, <jesse.brandeburg@...el.com>,
 <anthony.l.nguyen@...el.com>, <davem@...emloft.net>, <edumazet@...gle.com>,
 <pabeni@...hat.com>, <vladimir.oltean@....com>, <andrew@...n.ch>,
 <horms@...nel.org>, <mkubecek@...e.cz>, <willemdebruijn.kernel@...il.com>,
 <gal@...dia.com>, <alexander.duyck@...il.com>, <linux-doc@...r.kernel.org>,
 Igor Bagnucki <igor.bagnucki@...el.com>, Jacob Keller
 <jacob.e.keller@...el.com>
Subject: Re: [PATCH net-next v6 1/7] net: ethtool: pass ethtool_rxfh to
 get/set_rxfh ethtool ops

On Mon, 27 Nov 2023 07:14:51 -0700 Ahmed Zaki wrote:
> >   - First simplify the code by always providing a pointer to all params
> >     (indir, key and func); the fact that some of them may be NULL seems
> >     like a weird historic thing or a premature optimization.
> >     It will simplify the drivers if all pointers are always present.
> >     You don't have to remove the if () checks in the existing drivers.
> > 
> >   - Then make the functions take a dev pointer, and a pointer to a
> >     single struct wrapping all arguments. The set_* should also take
> >     an extack.  
> 
> Can we skip the "extack" part for this series? There is no 
> "ETHTOOL_MSG_RSS_SET" netlink message, which is needed for user-space to 
> get the ACK and adding all the netlink stuff seems a bit out of scope.

Fair point, yes, that's fine.

BTW, Ed, this series will conflict with your RSS context rework.
Not sure if it is on your radar.