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From: "Théo Lebrun" <theo.lebrun@bootlin.com>
To: <5mghybrid@khu.ac.kr>, <netdev@vger.kernel.org>,
	"Rafal Ozieblo" <rafalo@cadence.com>
Cc: "Conor Dooley" <conor.dooley@microchip.com>,
	"Andrew Lunn" <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	"Eric Dumazet" <edumazet@google.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Richard Cochran" <richardcochran@gmail.com>,
	"Nicolai Buchwitz" <nb@tipi-net.de>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH net-next 2/4] net: macb: Enable RX timestamping for specific PTPv1 filters
Date: Tue, 22 Sep 2026 21:01:58 +0200	[thread overview]
Message-ID: <DLM2T3FD87GC.2VFTTSYAIPXOR@bootlin.com> (raw)
In-Reply-To: <20260922-codex-macb-hwtstamp-submit-v1-2-9d1abaa53296@khu.ac.kr>

Hello Kim,

On Tue Sep 22, 2026 at 11:10 AM CEST, Kim Wooseok via B4 Relay wrote:
> From: Kim Wooseok <5mghybrid@khu.ac.kr>
>
> Selecting a PTPv1 Sync or Delay_Req filter in gem_set_hwtst() returns
> success, but leaves rx_bd_control at its initial value of
> TSTAMP_DISABLED. The requested filter therefore appears to have been
> applied, even though received packets have no hardware timestamps.
>
> The PTPv1 event case already enables timestamping for all frames, so
> use that path for Sync and Delay_Req as well. This enables timestamping
> for both requests and returns HWTSTAMP_FILTER_ALL to tell the caller
> which filter was actually applied.
>
> Fixes: ab91f0a9b5f4 ("net: macb: Add hardware PTP support")
> Assisted-by: GPT-6 Astra
> Signed-off-by: Kim Wooseok <5mghybrid@khu.ac.kr>

Reviewed-by: Théo Lebrun <theo.lebrun@bootlin.com>

Thanks,

--
Théo Lebrun, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com


  parent reply	other threads:[~2026-09-22 19:02 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-22  9:10 [PATCH net-next 0/4] net: macb: Rework hardware timestamp configuration Kim Wooseok via B4 Relay
2026-09-22  9:10 ` Kim Wooseok
2026-09-22  9:10 ` [PATCH net-next 1/4] net: macb: Preserve timestamp settings on rejected requests Kim Wooseok via B4 Relay
2026-09-22  9:10   ` Kim Wooseok
2026-09-22 10:47   ` Nicolai Buchwitz
2026-09-22 19:01   ` Théo Lebrun
2026-09-22 19:36     ` Théo Lebrun
2026-09-23 21:11   ` netdev-bot+sashiko
2026-09-22  9:10 ` [PATCH net-next 2/4] net: macb: Enable RX timestamping for specific PTPv1 filters Kim Wooseok via B4 Relay
2026-09-22  9:10   ` Kim Wooseok
2026-09-22 10:47   ` Nicolai Buchwitz
2026-09-22 19:01   ` Théo Lebrun [this message]
2026-09-22  9:10 ` [PATCH net-next 3/4] net: macb: Disable one-step mode when TX timestamping is off Kim Wooseok via B4 Relay
2026-09-22  9:10   ` Kim Wooseok
2026-09-22 10:47   ` Nicolai Buchwitz
2026-09-22 19:15   ` Théo Lebrun
2026-09-23 21:11   ` netdev-bot+sashiko
2026-09-22  9:10 ` [PATCH net-next 4/4] net: macb: Clear SRTSM outside PTPv2 receive filters Kim Wooseok via B4 Relay
2026-09-22  9:10   ` Kim Wooseok
2026-09-22 10:48   ` Nicolai Buchwitz
2026-09-22 19:27   ` Théo Lebrun
2026-09-23 21:11   ` netdev-bot+sashiko
2026-09-22 11:15 ` [PATCH net-next 0/4] net: macb: Rework hardware timestamp configuration Nicolai Buchwitz

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