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Date:   Wed, 15 Jul 2020 06:20:28 -0700
From:   Richard Cochran <>
To:     Subbaraya Sundeep <>
Subject: Re: [PATCH v4 net-next 0/3] Add PTP support for Octeontx2

On Wed, Jul 15, 2020 at 06:08:06PM +0530, Subbaraya Sundeep wrote:
> Hi,
> This patchset adds PTP support for Octeontx2 platform.
> PTP is an independent coprocessor block from which
> CGX block fetches timestamp and prepends it to the
> packet before sending to NIX block. Patches are as
> follows:
> Patch 1: Patch to enable/disable packet timstamping
> 	 in CGX upon mailbox request. It also adjusts
> 	 packet parser (NPC) for the 8 bytes timestamp
> 	 appearing before the packet.
> Patch 2: Patch adding PTP pci driver which configures
> 	 the PTP block and hooks up to RVU AF driver.
> 	 It also exposes a mailbox call to adjust PTP
> 	 hardware clock.
> Patch 3: Patch adding PTP clock driver for PF netdev.
> Aleksey Makarov (2):
>   octeontx2-af: Add support for Marvell PTP coprocessor
>   octeontx2-pf: Add support for PTP clock
> Zyta Szpak (1):
>   octeontx2-af: Support to enable/disable HW timestamping

Acked-by: Richard Cochran <>

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