netdev - RE: [Intel-wired-lan] [PATCH iwl-next v6 14/15] idpf: add ethtool callbacks

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Date: Tue, 30 May 2023 23:05:48 +0000
From: "Singh, Krishneil K" <krishneil.k.singh@...el.com>
To: "Linga, Pavan Kumar" <pavan.kumar.linga@...el.com>,
	"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC: "willemb@...gle.com" <willemb@...gle.com>, "pabeni@...hat.com"
	<pabeni@...hat.com>, "leon@...nel.org" <leon@...nel.org>, "mst@...hat.com"
	<mst@...hat.com>, "simon.horman@...igine.com" <simon.horman@...igine.com>,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	"stephen@...workplumber.org" <stephen@...workplumber.org>,
	"edumazet@...gle.com" <edumazet@...gle.com>, "Nguyen, Anthony L"
	<anthony.l.nguyen@...el.com>, "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>, "kuba@...nel.org" <kuba@...nel.org>, "Burra, Phani
 R" <phani.r.burra@...el.com>, "decot@...gle.com" <decot@...gle.com>,
	"davem@...emloft.net" <davem@...emloft.net>, "shannon.nelson@....com"
	<shannon.nelson@....com>
Subject: RE: [Intel-wired-lan] [PATCH iwl-next v6 14/15] idpf: add ethtool
 callbacks

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Pavan Kumar Linga
> Sent: Monday, May 22, 2023 5:23 PM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: willemb@...gle.com; pabeni@...hat.com; leon@...nel.org;
> mst@...hat.com; simon.horman@...igine.com; Brandeburg, Jesse
> <jesse.brandeburg@...el.com>; stephen@...workplumber.org;
> edumazet@...gle.com; Nguyen, Anthony L
> <anthony.l.nguyen@...el.com>; netdev@...r.kernel.org; kuba@...nel.org;
> Burra, Phani R <phani.r.burra@...el.com>; decot@...gle.com;
> davem@...emloft.net; shannon.nelson@....com
> Subject: [Intel-wired-lan] [PATCH iwl-next v6 14/15] idpf: add ethtool
> callbacks
> 
> From: Alan Brady <alan.brady@...el.com>
> 
> Initialize all the ethtool ops that are supported by the driver and
> add the necessary support for the ethtool callbacks. Also add
> asynchronous link notification virtchnl support where the device
> Control Plane sends the link status and link speed as an
> asynchronous event message. Driver report the link speed on
> ethtool .idpf_get_link_ksettings query.
> 
> Introduce soft reset function which is used by some of the ethtool
> callbacks such as .set_channels, .set_ringparam etc. to change the
> existing queue configuration. It deletes the existing queues by sending
> delete queues virtchnl message to the CP and calls the 'vport_stop' flow
> which disables the queues, vport etc. New set of queues are requested to
> the CP and reconfigure the queue context by calling the 'vport_open'
> flow. Soft reset flow also adjusts the number of vectors associated to a
> vport if .set_channels is called.
> 
> Signed-off-by: Alan Brady <alan.brady@...el.com>
> Co-developed-by: Alice Michael <alice.michael@...el.com>
> Signed-off-by: Alice Michael <alice.michael@...el.com>
> Co-developed-by: Joshua Hay <joshua.a.hay@...el.com>
> Signed-off-by: Joshua Hay <joshua.a.hay@...el.com>
> Co-developed-by: Phani Burra <phani.r.burra@...el.com>
> Signed-off-by: Phani Burra <phani.r.burra@...el.com>
> Co-developed-by: Pavan Kumar Linga <pavan.kumar.linga@...el.com>
> Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@...el.com>
> Reviewed-by: Sridhar Samudrala <sridhar.samudrala@...el.com>
> Reviewed-by: Willem de Bruijn <willemb@...gle.com>
> ---
>  drivers/net/ethernet/intel/idpf/Makefile      |    1 +
>  drivers/net/ethernet/intel/idpf/idpf.h        |   42 +-
>  .../net/ethernet/intel/idpf/idpf_ethtool.c    | 1331 +++++++++++++++++
>  drivers/net/ethernet/intel/idpf/idpf_lib.c    |  158 ++
>  drivers/net/ethernet/intel/idpf/idpf_txrx.c   |    3 +-
>  drivers/net/ethernet/intel/idpf/idpf_txrx.h   |   14 +
>  .../net/ethernet/intel/idpf/idpf_virtchnl.c   |  248 ++-
>  7 files changed, 1792 insertions(+), 5 deletions(-)
>  create mode 100644 drivers/net/ethernet/intel/idpf/idpf_ethtool.c
> 
Tested-by: Krishneil Singh  <krishneil.k.singh@...el.com>