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From: Paolo Abeni <pabeni@redhat.com>
To: Harini Katakam <harini.katakam@xilinx.com>,
	nicolas.ferre@microchip.com, davem@davemloft.net,
	richardcochran@gmail.com, claudiu.beznea@microchip.com,
	kuba@kernel.org, edumazet@google.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	michal.simek@xilinx.com, harinikatakamlinux@gmail.com,
	radhey.shyam.pandey@xilinx.com
Subject: Re: [PATCH net v3] net: macb: Fix PTP one step sync support
Date: Thu, 19 May 2022 20:17:54 +0200	[thread overview]
Message-ID: <3ecbe9d60f555266fe09d5a8c657b87d6f7564b8.camel@redhat.com> (raw)
In-Reply-To: <20220518170756.7752-1-harini.katakam@xilinx.com>

On Wed, 2022-05-18 at 22:37 +0530, Harini Katakam wrote:
> PTP one step sync packets cannot have CSUM padding and insertion in
> SW since time stamp is inserted on the fly by HW.
> In addition, ptp4l version 3.0 and above report an error when skb
> timestamps are reported for packets that not processed for TX TS
> after transmission.
> Add a helper to identify PTP one step sync and fix the above two
> errors. Add a common mask for PTP header flag field "twoStepflag".
> Also reset ptp OSS bit when one step is not selected.
> 
> Fixes: ab91f0a9b5f4 ("net: macb: Add hardware PTP support")
> Fixes: 653e92a9175e ("net: macb: add support for padding and fcs computation")
> Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
> Reviewed-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>

I'm sorry, but I cut the -net PR to Linus too early for this, so the
fix will have to wait for a little more (no need to repost!) and even
more pause will be required for the net-next follow-up.

Sorry for the inconvenince,

Paolo


  parent reply	other threads:[~2022-05-19 18:18 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-18 17:07 [PATCH net v3] net: macb: Fix PTP one step sync support Harini Katakam
2022-05-19  4:40 ` Jakub Kicinski
2022-05-19  8:27 ` Claudiu.Beznea
2022-05-19 18:17 ` Paolo Abeni [this message]
2022-05-20  5:36   ` Harini Katakam
2022-05-20  0:20 ` patchwork-bot+netdevbpf

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