netdev - Re: [PATCH net-next v5 0/3] sfc: add support for PTP over IPv6 and 802.3

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Date:   Mon, 5 Sep 2022 17:08:13 +0100
From:   Edward Cree <ecree.xilinx@...il.com>
To:     Íñigo Huguet <ihuguet@...hat.com>,
        habetsm.xilinx@...il.com
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v5 0/3] sfc: add support for PTP over IPv6 and
 802.3

On 05/09/2022 09:23, 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
> v5: restored deleted comment with useful explanation about packets
>     reordering. Deleted useless whitespaces.
> 
> 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    | 128 +++++++++++++++++++++---------
>  2 files changed, 111 insertions(+), 39 deletions(-)

For the series:
Reviewed-by: Edward Cree <ecree.xilinx@...il.com>

(and thanks for doing this work :)
-ed