From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-of-o55.zoho.com (sender4-of-o55.zoho.com [136.143.188.55]) (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 A0AC039FD4 for ; Mon, 23 Feb 2026 12:34:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.55 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771850099; cv=pass; b=lCn/TKPQ7VzybANK3vJ9AtxE2tE0F1RvPrpfbymbMtyrEZmSTXAkcjgCInSV6OJFbvfLBQUnVLohoOAr12ApYRUE3RqnExlP8LC3h8NLGFKJqE7o3zd9vVNq6GeqlnAru4BQ1xatvTZ1I/joprf0dxC330pUXTXPzKqC0t/NhhE= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771850099; c=relaxed/simple; bh=0/KkUOpRBKrZd6nSUwqVCEfuGKtOAxH1QqBQq9gsAmA=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=boJZCf0/ljIdnPh9GqXEfCjJKtP+Ez4LUqcayQpwquj1fP+unn5scYPEyxxfdREK1pKyJ0i/TQNCjg9oi18Nu17eDceFc3Z+UyJeKOWk41jTNi0e9GmKVPxahH+FYC7e5lFUul5IcpO8BRFXoPum6Q/2lz7FQlAIyO4wLMWuKjw= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=machnikowski.net; spf=pass smtp.mailfrom=machnikowski.net; dkim=pass (2048-bit key) header.d=machnikowski.net header.i=maciek@machnikowski.net header.b=IyT1ip3y; arc=pass smtp.client-ip=136.143.188.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=machnikowski.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=machnikowski.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=machnikowski.net header.i=maciek@machnikowski.net header.b="IyT1ip3y" ARC-Seal: i=1; a=rsa-sha256; t=1771850077; cv=none; d=zohomail.com; s=zohoarc; b=e+nfRFKHiiVHfaYgiBd68wUbaKqhNL1xyp6nTJ1okGZ+w0E9UD4OrRFbdiP8R2twx95tnpPSsvCaaiHdyf69dzw0nWVrVkkWOzxcq8xGa8/Cdt8+7lTZXvUXXdMz6T5eH7RDYYtwKSa3LWhJR7J5DPm2AOJL5mD5XjQxlm3Gayk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1771850077; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=8HBDiLkHGx1tVaVOVB0N4Uj2KUpXM8USyb1fBwZciNo=; b=RMHFU4FSwzebpiwiRwqd02ykwH7WFYwnd6kvrgCar9EG+quv6XtNBI885HqgdvAryaLAbitmGb3UNw9G2rcYAc8xTLPyrgyIOkrUZ75Gb1Vg41jq8RI0LLo+JzGyjJmr+9rdsfzoEqBvL/imc9/si1FL3sYpuf27XHXxsJ3AqCI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=machnikowski.net; spf=pass smtp.mailfrom=maciek@machnikowski.net; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1771850077; s=zoho; d=machnikowski.net; i=maciek@machnikowski.net; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=8HBDiLkHGx1tVaVOVB0N4Uj2KUpXM8USyb1fBwZciNo=; b=IyT1ip3yysbGxTX/4P9H+dnQO1YmVIZp4ZwG5RRSnPbvsoV0DKk+wbUvru/nStGE ZXdoD+iM9l4xN5VoCviVVaCdG1SDVumzrkYAF3EhNs21EySRK7ERX+L+hG6tPWE44Fl ce3aTNgTWa6m2vSJf/RdyHf8ipRtFIopKpmy78EYy5Te24wOnAOkLByCoTDdnkvfhEk l+uQBDhR413mYd7I6Jb37zPB5QF/hUofVcLqNbvCrzKUDnOwg87IUgqzhUHJAhAWZRT tMTAieVo6hoI9uzlhaZhSKpGsCG53XzlH0FvhGKyngHgjKoJAjR6dLvRsUwP29XmiVO pLUa0/xoyg== Received: by mx.zohomail.com with SMTPS id 1771850074446335.20182915951636; Mon, 23 Feb 2026 04:34:34 -0800 (PST) From: Maciek Machnikowski To: netdev@vger.kernel.org Cc: kuba@kernel.org, maciek@machnikowski.net, richardcochran@gmail.com, milena.olech@intel.com, willemdebruijn.kernel@gmail.com, andrew@lunn.ch, vadim.fedorenko@linux.dev Subject: [PATCH v2 net-next 0/3] Implement PTP support in netdevsim Date: Sun, 22 Feb 2026 10:41:07 +0100 Message-ID: <20260222094110.127927-1-maciek@machnikowski.net> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-ZohoMailClient: External This patchset adds support to the PTP HW timestamping emulation in the netdevsim. It uses existing binding between netdevsim and ptp_mock driver to generate transmit and receive timestamps. It also adds the selftest to verify the hw timestamping functionality running over netdevsim. v2: - Added selftest/net/ptp.sh - Modified ptp_mock to use spin_lock_bh - Populate ethtool defaults using ethtool_op_get_ts_info Maciek Machnikowski (3): ptp_mock: Expose ptp_clock_info to external drivers netdevsim: Implement basic ptp support selftests:net: Implement ptp4l sync test using netdevsim drivers/net/netdevsim/ethtool.c | 11 ++++ drivers/net/netdevsim/netdev.c | 90 +++++++++++++++++++++++++++++ drivers/net/netdevsim/netdevsim.h | 1 + drivers/ptp/ptp_mock.c | 22 ++++--- include/linux/ptp_mock.h | 5 ++ tools/testing/selftests/net/ptp.sh | 93 ++++++++++++++++++++++++++++++ 6 files changed, 214 insertions(+), 8 deletions(-) create mode 100755 tools/testing/selftests/net/ptp.sh -- 2.53.0