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Date: Tue, 12 Dec 2023 10:16:05 -0800
From: Jakub Kicinski <kuba@kernel.org>
To: Alexander Lobakin <aleksander.lobakin@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>, Eric Dumazet
 <edumazet@google.com>, Paolo Abeni <pabeni@redhat.com>, Michal Kubiak
 <michal.kubiak@intel.com>, Przemek Kitszel <przemyslaw.kitszel@intel.com>,
 Vladimir Oltean <vladimir.oltean@nxp.com>, Andrew Lunn <andrew@lunn.ch>,
 Michal Kubecek <mkubecek@suse.cz>, Jiri Pirko <jiri@resnulli.us>, Paul
 Greenwalt <paul.greenwalt@intel.com>, Tony Nguyen
 <anthony.l.nguyen@intel.com>, intel-wired-lan@lists.osuosl.org,
 netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next 0/2] idpf: add get/set for Ethtool's header
 split ringparam
Message-ID: <20231212101605.766fbbcc@kernel.org>
In-Reply-To: <20231212142752.935000-1-aleksander.lobakin@intel.com>
References: <20231212142752.935000-1-aleksander.lobakin@intel.com>
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On Tue, 12 Dec 2023 15:27:50 +0100 Alexander Lobakin wrote:
> Currently, the header split feature (putting headers in one smaller
> buffer and then the data in a separate bigger one) is always enabled
> in idpf when supported.
> One may want to not have fragmented frames per each packet, for example,
> to avoid XDP frags. To better optimize setups for particular workloads,
> add ability to switch the header split state on and off via Ethtool's
> ringparams, as well as to query the current status.
> There's currently only GET in the Ethtool Netlink interface for now,
> so add SET first. I suspect idpf is not the only one supporting this.

Reviewed-by: Jakub Kicinski <kuba@kernel.org>