From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-of-o54.zoho.com (sender4-of-o54.zoho.com [136.143.188.54]) (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 B0E0A3D88FD for ; Mon, 27 Apr 2026 16:47:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.54 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777308468; cv=pass; b=lQ4eJ7DOFih91yuY7flcVex25328IjWYD1dNPP+5YijEgMS7Uqv7DLCjPPQH1GiEIwDJzoUy8xWSX3hXGina4yv5AFPsop5yIPzJX2xpCTvW+Ct9GTXftYtOV7ENmANeAfGw8+xhrlq1/42ixePynhXknR+Ja3JlR+XLfYEc+iY= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777308468; c=relaxed/simple; bh=k4Wpv2255wgpvE66nVDykwtZ3S+IJVn+Qqq8ykDj2LI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=osa5JtBCQ2xot/vxY2vsw+Z6AzRn6KTNMXhrJpCHrZt9BZH4zO/xJwPeq9Nn84PfyA+soL0l5KlOInAARGxz3O4T3ENnN7/PaPDSt+IOxYFCKcDeauENCiGe63dxoUMissBIQKJlRAVFi0TORDkaFdm9HmICenvSx8rjJmM893s= 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=kbK8oeVX; arc=pass smtp.client-ip=136.143.188.54 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="kbK8oeVX" ARC-Seal: i=1; a=rsa-sha256; t=1777308454; cv=none; d=zohomail.com; s=zohoarc; b=nCC8h7G3S/INMYXpTP+y5Zka8B7YE87+kXPmFTT6hcOU0OgT5y0Wi1MGQDCCV+364gL36HuIF02s3sumV4W7ue9v9mxRhf6TxTTfhsSTPRHsCg5so61/HKecfJqND7PhfV3zN8lr1udwQWrm/hGFKDK4NguFuT4RLd3WnUXeYog= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1777308454; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=cZGGg5bXpBKcPXokZeod01fYLGGMCMtSgJLxMc0cu2Y=; b=SfyUgtcA4TiM8OykzkSnu7bDiXkD8LKUAZWKKZNPrEBpkPSq8AZgAOMn1IW/pPmggcdBjKogGbrVodrJDfa3YC8HrPkfA6t6mpHp5eBXA375DLzMgZ2qm61tC+AbNliE5CZDKqOi1bh99Hr9JwUrRPtdXbCs1uFjPlI7/xU5r10= 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=1777308454; 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=cZGGg5bXpBKcPXokZeod01fYLGGMCMtSgJLxMc0cu2Y=; b=kbK8oeVXtlQtwoSsC7zcNKQ81Fzgim8OadunZqy5B4fDQfbdJk2dl33JQFYte8qS 2MI9el1YNjgpLC7e6Xe1VBaf1sSc9ohElshmM+HWrMaukc+4x4UavYypwwEh78S6wIG C2KXymRHtUGrLwx7RC+iet+wbn+zYBzHg93NCOGtn8sUpMsLAvXeIlXJ+0bdansy49y vYI3BCLdhUfhXf/ha/yEvVA1dEhdGk3UBxOSjDIbKj7s5bZVPnt0EzolEalLlGQ7frl WlZdSjbek63hYK9jjq+WjbRdHjuZ9lPzniuSbqZQT3TsmmHGZPp1KI8fyPrhUzRJwL8 XPAsXXzMLA== Received: by mx.zohomail.com with SMTPS id 1777308450995784.1068878180829; Mon, 27 Apr 2026 09:47:30 -0700 (PDT) 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, horms@kernel.org Subject: [PATCH v4 net-next 0/3] Implement PTP support in netdevsim Date: Mon, 27 Apr 2026 18:47:24 +0200 Message-ID: <20260427164727.15418-1-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 v3: - Fixed shellcheck issues in the selftest/net/ptp.sh - Added selftest/net/ptp.sh to the selftest/net/Makefile - Modified ptp_mock to use spin_lock_irqsave v4: - Check if Rx timestamps are enabled before generating a timestamp - Replace bash selftest script with a python one - Optimized Tx timestamp generation 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 | 91 ++++++++++++ drivers/net/netdevsim/netdevsim.h | 1 + drivers/ptp/ptp_mock.c | 26 ++-- include/linux/ptp_mock.h | 5 + tools/testing/selftests/net/Makefile | 1 + tools/testing/selftests/net/ptp.py | 184 +++++++++++++++++++++++++++ 7 files changed, 311 insertions(+), 8 deletions(-) create mode 100755 tools/testing/selftests/net/ptp.py -- 2.53.0