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Message-ID: <CYYPR11MB842975C2FC5598593A117D70BDEE2@CYYPR11MB8429.namprd11.prod.outlook.com>
Date: Fri, 17 May 2024 07:25:09 +0000
From: "Pucha, HimasekharX Reddy" <himasekharx.reddy.pucha@...el.com>
To: "Kolacinski, Karol" <karol.kolacinski@...el.com>,
"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "Kubalewski, Arkadiusz"
<arkadiusz.kubalewski@...el.com>, "Kolacinski, Karol"
<karol.kolacinski@...el.com>, "Nguyen, Anthony L"
<anthony.l.nguyen@...el.com>
Subject: RE: [Intel-wired-lan] [PATCH v10 iwl-next 12/12] ice: Adjust PTP init
for 2x50G E825C devices
> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of Karol Kolacinski
> Sent: Wednesday, April 24, 2024 7:00 PM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: netdev@...r.kernel.org; Kubalewski, Arkadiusz <arkadiusz.kubalewski@...el.com>; Kolacinski, Karol <karol.kolacinski@...el.com>; Nguyen, Anthony L <anthony.l.nguyen@...el.com>
> Subject: [Intel-wired-lan] [PATCH v10 iwl-next 12/12] ice: Adjust PTP init for 2x50G E825C devices
>
> From: Grzegorz Nitka <grzegorz.nitka@...el.com>
>
> From FW/HW perspective, 2 port topology in E825C devices requires merging of 2 port mapping internally and breakout mapping externally.
> As a consequence, it requires different port numbering from PTP code perspective.
> For that topology, pf_id can not be used to index PTP ports. Even if the 2nd port is identified as port with pf_id = 1, all PHY operations need to be performed as it was port 2. Thus, special mapping is needed for the 2nd port.
> This change adds detection of 2x50G topology and applies 'custom'
> mapping on the 2nd port.
>
> Signed-off-by: Grzegorz Nitka <grzegorz.nitka@...el.com>
> Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>
> Signed-off-by: Karol Kolacinski <karol.kolacinski@...el.com>
> ---
> V4 -> V5: - reworded commit mesage
> - renamed GLGEN_SWITCH_MODE_CONFIG_SELECT_25X4_ON_SINGLE_QUAD_M to
> GLGEN_SWITCH_MODE_CONFIG_25X4_QUAD_M
>
> .../net/ethernet/intel/ice/ice_hw_autogen.h | 4 ++++
> drivers/net/ethernet/intel/ice/ice_ptp.c | 5 +++++
> drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 22 +++++++++++++++++++
> drivers/net/ethernet/intel/ice/ice_type.h | 9 ++++++++
> 4 files changed, 40 insertions(+)
>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@...el.com> (A Contingent worker at Intel)
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