netdev - Re: [PATCH net-next v4 0/3] sfc: add support for PTP over IPv6 and 802.3

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Message-ID: <Yw9mbTrUYX7S8NQn@hoboy.vegasvil.org>
Date:   Wed, 31 Aug 2022 06:47:25 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     Íñigo Huguet <ihuguet@...hat.com>
Cc:     ecree.xilinx@...il.com, habetsm.xilinx@...il.com,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v4 0/3] sfc: add support for PTP over IPv6 and
 802.3

On Wed, Aug 31, 2022 at 12:16:28PM +0200, Íñigo Huguet wrote:
> Most recent cards (8000 series and newer) had enough hardware support
> for this, but it was not enabled in the driver. The transmission of PTP
> packets over these protocols was already added in commit bd4a2697e5e2
> ("sfc: use hardware tx timestamps for more than PTP"), but receiving
> them was already unsupported so synchronization didn't happen.
> 
> These patches add support for timestamping received packets over
> IPv6/UPD and IEEE802.3.
> 
> v2: fixed weird indentation in efx_ptp_init_filter
> v3: fixed bug caused by usage of htons in PTP_EVENT_PORT definition.
>     It was used in more places, where htons was used too, so using it
>     2 times leave it again in host order. I didn't detected it in my
>     tests because it only affected if timestamping through the MC, but
>     the model I used do it through the MAC. Detected by kernel test
>     robot <lkp@...el.com>
> v4: removed `inline` specifiers from 2 local functions
> 
> Íñigo Huguet (3):
>   sfc: allow more flexible way of adding filters for PTP
>   sfc: support PTP over IPv6/UDP
>   sfc: support PTP over Ethernet
> 
>  drivers/net/ethernet/sfc/filter.h |  22 +++++
>  drivers/net/ethernet/sfc/ptp.c    | 131 ++++++++++++++++++++----------
>  2 files changed, 111 insertions(+), 42 deletions(-)

For the series:

Acked-by: Richard Cochran <richardcochran@...il.com>