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 62B493ACA5A for ; Mon, 20 Jul 2026 18:14:04 +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=1784571245; cv=pass; b=VUTJ83bQUXxZoyNgXPvbvH3zlaXrv3VjCotdR+zw3oCPAtzAdi5m29UtvwHE1Dgb/HeQZ+ilbDt0RKH4NOtWON/Kq1ZaQOD2X6js4ZnzG2BmPWe44lhkXkUJ34aICi55tvQ89o95qJo+EPtxKioZgZupmLppjkVkBmbU6xR8LtE= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784571245; c=relaxed/simple; bh=5JxTcqn2qO/DXyBRggqSfAhcU4nbisngI/kkfC2K4eE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=lV0b1aZ21myYR1nUvM4B0clk7F8+ttzoO5pL1K3iU+n1uG/5FgKzUFy4Q4Ph8nJEfo0hkj6jJrV7alIS+DYWw8fdEwylsOOFYSvUd3cwJFNsM6whB0/sOPYT9oUE5KrYPHptNtM9SzrIu//75KhbTNx641CxLjBXEXxiXEiXsSE= 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=UzOu/0FT; 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="UzOu/0FT" ARC-Seal: i=1; a=rsa-sha256; t=1784571231; cv=none; d=zohomail.com; s=zohoarc; b=WonGgPqzxecgLt4OAxy1IG2XhfJ62edoCIYB7rgZ0mxRTy44l0iahxNNzud92uE5CSQ8UOpnzXLH0uQvZNuDa0N7uGEuc0MFd+oZ0p7xT0SBr2NMsno0lAZhE6BZ9q3NhHmdbLQPyknWU8RXIUtF2qitEJ/a8WtEvC4+bP6voDs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1784571231; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=hNW+b3IQDF/kh+fSEsAW02NIy7tSHfAmPf3CmM/x5+A=; b=Bn6Am825g4dZfICIbEyKX8JT6xo1iWtlvMM8qR/bmNCbzP597mR5iT5MiZAVDwD0fkRwy9phtJmqbPDOC3ErUjZL307/QRRGEPUL/X+Js/aSZsGDm7LpdijAoWuChxz+EfzFV+0c9NYg3pz6ezByZ749M/5vney0W8UYDFyynQA= 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=1784571230; 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=hNW+b3IQDF/kh+fSEsAW02NIy7tSHfAmPf3CmM/x5+A=; b=UzOu/0FTfgN3dnkuaoHutpS+YctFm18pOjTshmQ0q3evp7b3EkSThb0BkMmFQ6oV QTLCOGR9azykxMWovR0y3MqV5Pt0LDDF5ZDb++pXgHLrG/SvfxDJ3aX+IrLEr89uQZY YdqQ1eR0im/oOBYZOfDrbkV3+a+JOeqwckoiKlEOQO2qFNqgVTef0//rpn/rRETmRi8 DqZNjdqQqWUMDBLHX5a+dgJt13NesFskFH/nbzrBlBvrdOr9QyKslRzUu+4ZG0wGBfN daVfT4+p4ySMs1kgqgvLoEDkpd1LQsAgc97g0OrtaA6dp8xXKP/YwjfWf4GWD4igBH2 heYV3uTqsg== Received: by mx.zohomail.com with SMTPS id 178457122743286.19097741620408; Mon, 20 Jul 2026 11:13:47 -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 v7 net-next 0/3] Implement PTP support in netdevsim Date: Mon, 20 Jul 2026 20:11:10 +0200 Message-ID: <20260720181113.3293-1-maciek@machnikowski.net> X-Mailer: git-send-email 2.55.0 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. v7: - Moved the test script to tools/testing/selftest/drivers/net - Optimized implementation to avoid potential edge cases reported v6: - Enable PTP Mock in the tools/testing/selftests/net/config v5: - Rebase v4: - Check if Rx timestamps are enabled before generating a timestamp - Replace bash selftest script with a python one - Optimized Tx timestamp generation 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 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: drivers/net: Implement ptp4l sync test using netdevsim drivers/net/netdevsim/ethtool.c | 11 +++ drivers/net/netdevsim/netdev.c | 94 ++++++++++++++++++++ drivers/net/netdevsim/netdevsim.h | 1 + drivers/ptp/ptp_mock.c | 26 ++++-- include/linux/ptp_mock.h | 5 ++ tools/testing/selftests/drivers/net/Makefile | 1 + tools/testing/selftests/drivers/net/config | 1 + tools/testing/selftests/drivers/net/ptp.py | 82 +++++++++++++++++ 8 files changed, 213 insertions(+), 8 deletions(-) create mode 100755 tools/testing/selftests/drivers/net/ptp.py -- 2.55.0