[Intel-wired-lan] [PATCH net v1] i40e: fix PTP on 5Gb links

Brelinski, TonyX tonyx.brelinski at intel.com
Wed Jun 23 19:58:12 UTC 2021


> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces at osuosl.org> On Behalf Of
> Jesse Brandeburg
> Sent: Friday, May 7, 2021 11:56 AM
> To: intel-wired-lan at lists.osuosl.org
> Subject: [Intel-wired-lan] [PATCH net v1] i40e: fix PTP on 5Gb links
> 
> As reported by Alex Sergeev, the i40e driver is incremening the PTP clock at
> 10Gb speeds when linked at 5Gb. Fix this bug by making sure that the right
> multiplier is selected when linked at 5Gb.
> 
> Fixes: 3dbdd6c2f70a ("i40e: Add support for 5Gbps cards")
> Reported-by: Alex Sergeev <asergeev at carbonrobotics.com>
> Suggested-by: Alex Sergeev <asergeev at carbonrobotics.com>
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg at intel.com>
> ---
>  drivers/net/ethernet/intel/i40e/i40e_ptp.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)

Tested-by: Tony Brelinski <tonyx.brelinski at intel.com> (A Contingent Worker at Intel)




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