From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pdx-out-010.esa.us-west-2.outbound.mail-perimeter.amazon.com (pdx-out-010.esa.us-west-2.outbound.mail-perimeter.amazon.com [52.12.53.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A8BB23624B2; Tue, 14 Jul 2026 02:04:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.12.53.23 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783994689; cv=none; b=rl8KTr/Gw8j5IXuS4YBosjWErnzhvsAKgpRSJu6k/rMEvTB2IDG/2lY35vnW8CXnSjln1pBk97xPMlMLuyUEtDHuuXkU/1npUTXmyKJj6riWzcubldyQfhN4VX09a9GNj0vR6/8B9CbfJq/06hW4fZGlxv5gc3z2sAmO/G7dda8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783994689; c=relaxed/simple; bh=57qGqSE9tP6lPRw/YAUHjWMVC1tvGg7x5fped7GmMnc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=hRh/Yfr8uMQ/Cu8UJxak0jIifm1UmUbrve3skrTzLOo66js1+sf2hUU8lnpz4rw0R3J0GvryDAlm09I/hT2T/pjDnpFzBqsX5heodmXhVlbwSQirSeeMTiVHRPYvaPdJLyLVOYShQjZN24/3drSyLsgxM9fJYqTp6knnHKhqe+k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.com; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b=LsHiFM15; arc=none smtp.client-ip=52.12.53.23 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b="LsHiFM15" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1783994688; x=1815530688; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=7zkFcRd5mu9B02BIWtTtfZKps/G89UKhgagGL2Z3qRE=; b=LsHiFM15McvgCm6z7Gz3Nsio2K7iZexrFFVFdEkpeCIoWrjnXeNc7Xo1 6v4YDeQ8PsHdTnMawUyqWX5mQ6GsR9ZX9wDq8rHfqVhTgYK8QYzc1Ehln uKy+lGSUzb2Du/SW/KIUwB04rxVJ2e/UNe2ofLGbwfT8DkoyQcD7M/3/Q b0d2c9nL+FZ66zCNbVYbUKS194rrxe+HlCh/dz02ApIJkq7jxEWzqDvQ8 wyoSKdIT1I6qzBg6E1hnmvTykreafzCeNsUjoCi3UC13IuWeJrq8ZdWp7 UYBPPMy86sK5QEdacHkxcDilLzpbIWUthTRzL/SMmPDrf9TFvBzYNQs5i A==; X-CSE-ConnectionGUID: y7v2r35uTYu6w8WzA4mRKg== X-CSE-MsgGUID: 5sXAcwIOS5CtsvdHvYfpJw== X-IronPort-AV: E=Sophos;i="6.25,154,1779148800"; d="scan'208";a="23479313" Received: from ip-10-5-0-115.us-west-2.compute.internal (HELO smtpout.naws.us-west-2.prod.farcaster.email.amazon.dev) ([10.5.0.115]) by internal-pdx-out-010.esa.us-west-2.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jul 2026 02:04:46 +0000 Received: from EX19MTAUWC001.ant.amazon.com [205.251.233.53:30374] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.40.123:2525] with esmtp (Farcaster) id f6d831c8-97fc-40a5-b045-0777f5a74624; Tue, 14 Jul 2026 02:04:45 +0000 (UTC) X-Farcaster-Flow-ID: f6d831c8-97fc-40a5-b045-0777f5a74624 Received: from EX19D001UWA001.ant.amazon.com (10.13.138.214) by EX19MTAUWC001.ant.amazon.com (10.250.64.174) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.43; Tue, 14 Jul 2026 02:04:45 +0000 Received: from dev-dsk-akiyano-1c-2138b29d.eu-west-1.amazon.com (172.19.83.6) by EX19D001UWA001.ant.amazon.com (10.13.138.214) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.43; Tue, 14 Jul 2026 02:04:40 +0000 From: Arthur Kiyanovski To: David Miller , Jakub Kicinski , CC: Arthur Kiyanovski , Richard Cochran , Eric Dumazet , Paolo Abeni , David Woodhouse , Thomas Gleixner , Miroslav Lichvar , Andrew Lunn , Wen Gu , Xuan Zhuo , David Woodhouse , "Yonatan Sarna" , Zorik Machulsky , "Alexander Matushevsky" , Saeed Bshara , Matt Wilson , Anthony Liguori , Nafea Bshara , Evgeny Schmeilin , Netanel Belgazal , Ali Saidi , Benjamin Herrenschmidt , Noam Dagan , David Arinzon , Evgeny Ostrovsky , Ofir Tabachnik , Amit Bernstein , , , , Jonathan Corbet , Shuah Khan , Simon Horman , Subject: [PATCH v4 net-next 7/7] net: ena: Implement gettimexattrs64 callback for PTP attributes Date: Tue, 14 Jul 2026 02:03:08 +0000 Message-ID: <20260714020340.25014-8-akiyano@amazon.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260714020340.25014-1-akiyano@amazon.com> References: <20260714020340.25014-1-akiyano@amazon.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: EX19D032UWB001.ant.amazon.com (10.13.139.152) To EX19D001UWA001.ant.amazon.com (10.13.138.214) Implement the gettimexattrs64 callback in the ENA driver to support the PTP_SYS_OFFSET_EXTENDED_ATTRS ioctl. This enables applications to retrieve PHC timestamps with quality attributes through the standard PTP ioctl interface. The ENA device currently reports only error_bound (valid bit set). Other attributes are not reported (valid bits unset). Signed-off-by: Amit Bernstein Signed-off-by: Arthur Kiyanovski --- drivers/net/ethernet/amazon/ena/ena_phc.c | 58 +++++++++++++++++++---- 1 file changed, 48 insertions(+), 10 deletions(-) diff --git a/drivers/net/ethernet/amazon/ena/ena_phc.c b/drivers/net/ethernet/amazon/ena/ena_phc.c index 2bcb5af564e2..725c36fe3f6e 100644 --- a/drivers/net/ethernet/amazon/ena/ena_phc.c +++ b/drivers/net/ethernet/amazon/ena/ena_phc.c @@ -25,6 +25,43 @@ static int ena_phc_feature_enable(struct ptp_clock_info *clock_info, return -EOPNOTSUPP; } +static int ena_phc_gettimexattrs64(struct ptp_clock_info *clock_info, + struct timespec64 *ts, + struct ptp_system_timestamp *sts, + struct ptp_clock_attrs *att) +{ + struct ena_phc_info *phc_info = + container_of(clock_info, struct ena_phc_info, clock_info); + u32 error_bound_nsec; + unsigned long flags; + u64 timestamp_nsec; + int rc; + + spin_lock_irqsave(&phc_info->lock, flags); + + ptp_read_system_prets(sts); + + rc = ena_com_phc_get_timestamp(phc_info->adapter->ena_dev, + ×tamp_nsec, + &error_bound_nsec); + + ptp_read_system_postts(sts); + + spin_unlock_irqrestore(&phc_info->lock, flags); + + if (rc) + return rc; + + *ts = ns_to_timespec64(timestamp_nsec); + + if (att) { + att->error_bound = error_bound_nsec; + att->valid |= PTP_ATTRS_VALID_ERROR_BOUND; + } + + return 0; +} + static int ena_phc_gettimex64(struct ptp_clock_info *clock_info, struct timespec64 *ts, struct ptp_system_timestamp *sts) @@ -62,16 +99,17 @@ static int ena_phc_settime64(struct ptp_clock_info *clock_info, } static struct ptp_clock_info ena_ptp_clock_info = { - .owner = THIS_MODULE, - .n_alarm = 0, - .n_ext_ts = 0, - .n_per_out = 0, - .pps = 0, - .adjtime = ena_phc_adjtime, - .adjfine = ena_phc_adjfine, - .gettimex64 = ena_phc_gettimex64, - .settime64 = ena_phc_settime64, - .enable = ena_phc_feature_enable, + .owner = THIS_MODULE, + .n_alarm = 0, + .n_ext_ts = 0, + .n_per_out = 0, + .pps = 0, + .adjtime = ena_phc_adjtime, + .adjfine = ena_phc_adjfine, + .gettimexattrs64 = ena_phc_gettimexattrs64, + .gettimex64 = ena_phc_gettimex64, + .settime64 = ena_phc_settime64, + .enable = ena_phc_feature_enable, }; /* Enable/Disable PHC by the kernel, affects on the next init flow */ -- 2.47.3