From patchwork Tue Mar 26 11:51:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mateusz Polchlopek X-Patchwork-Id: 13604008 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (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 DE0F56E61B for ; Tue, 26 Mar 2024 12:00:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711454414; cv=none; b=OxXQyMpKlS0/WCTGl8H4j3r2V802vw50jvCAKvlgJPwQqPs+q+1JVTQKFMEt6e9V3w583LHHYxbznTOSNkzlH5OjAeY1iL23TFNk71/NqT/gfgDN8UUXuKGpw7eJtirzFjoA0+OSJ5DSJ2ZYNWTgNSxMsUxSf894ez+hk8fnIDk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711454414; c=relaxed/simple; bh=iqvdqY3+SyI8MqwvX2TyXnFMTGS7lZ8+NJ37Q9Twfjg=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=AiXVVhjHZFVFMrG9UCuemjMzaoMr7dUCopP7gKlxnkjhaKTUSPbKdxKe08E5ub6faqefEKGHpYPXvJHW2HRrP28hDBog/lg4biuMnWJJO0NEMsdtvIQ5AOuSzG0mlZnOCz3hZ2Ad45S/rWxgiyAhZz/MngJy6620gDMaQsbHag4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=OfnSFOhM; arc=none smtp.client-ip=198.175.65.20 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="OfnSFOhM" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1711454412; x=1742990412; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=iqvdqY3+SyI8MqwvX2TyXnFMTGS7lZ8+NJ37Q9Twfjg=; b=OfnSFOhMQskFHpDHO/r2EiVvHuCrKQC7rMke67RroBqI115okVKnmeUs CbN/EO1fmunP9lM4w/2Wkz/65VU3kNw6jSVyBzhIZT+UItQ++1pepuIsH FT7s/5bjp+b3y1hS7WnbwiBaLdnSsyzUm6RotwJFuL5vvIFTn9BraH7Bl SDzTenqz/Z2C25D5UFuZy44iog9A7OMNypo1XAalb17nIBrqCxAqmKBHg c4D5yNvfI5oL2inbkD9dsg/UftmcwgXzjU9UIUTSWIjDfhkB5ugRomH9x jYQ4z89MOLcFv2BR2wXYEr6A4QYaWTY0KNk+a3Ch3DXO94L2ssLOgPLan Q==; X-CSE-ConnectionGUID: MhBujUJgSWS1iG+xHJbzKw== X-CSE-MsgGUID: qqPZKYvFQxSCtsXE3XBoZA== X-IronPort-AV: E=McAfee;i="6600,9927,11024"; a="6394635" X-IronPort-AV: E=Sophos;i="6.07,156,1708416000"; d="scan'208";a="6394635" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2024 05:00:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,156,1708416000"; d="scan'208";a="16018970" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by fmviesa008.fm.intel.com with ESMTP; 26 Mar 2024 05:00:09 -0700 Received: from fedora.igk.intel.com (Metan_eth.igk.intel.com [10.123.220.124]) by irvmail002.ir.intel.com (Postfix) with ESMTP id 0E5AF28160; Tue, 26 Mar 2024 12:00:08 +0000 (GMT) From: Mateusz Polchlopek To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, Mateusz Polchlopek Subject: [Intel-wired-lan] [PATCH iwl-next v1 00/12] Add support for Rx timestamping for both ice and iavf drivers Date: Tue, 26 Mar 2024 07:51:05 -0400 Message-Id: <20240326115116.10040-1-mateusz.polchlopek@intel.com> X-Mailer: git-send-email 2.38.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Initially, during VF creation it registers the PTP clock in the system and negotiates with PF it's capabilities. In the meantime the PF enables the Flexible Descriptor for VF. Only this type of descriptor allows to receive Rx timestamps. Enabling virtual clock would be possible, though it would probably perform poorly due to the lack of direct time access. Enable timestamping should be done using SIOCSHWTSTAMP ioctl, e.g. hwstamp_ctl -i $VF -r 14 In order to report the timestamps to userspace, the VF extends timestamp to 40b. To support this feature the flexible descriptors and PTP part in iavf driver have been introduced. Jacob Keller (10): virtchnl: add support for enabling PTP on iAVF virtchnl: add enumeration for the rxdid format iavf: add support for negotiating flexible RXDID format iavf: negotiate PTP capabilities iavf: add initial framework for registering PTP clock iavf: add support for indirect access to PHC time iavf: periodically cache PHC time iavf: refactor iavf_clean_rx_irq to support legacy and flex descriptors iavf: handle SIOCSHWTSTAMP and SIOCGHWTSTAMP iavf: add support for Rx timestamps to hotpath Mateusz Polchlopek (1): iavf: Implement checking DD desc field Simei Su (1): ice: support Rx timestamp on flex descriptor drivers/net/ethernet/intel/iavf/Makefile | 3 +- drivers/net/ethernet/intel/iavf/iavf.h | 33 +- drivers/net/ethernet/intel/iavf/iavf_main.c | 242 +++++++- drivers/net/ethernet/intel/iavf/iavf_ptp.c | 530 ++++++++++++++++++ drivers/net/ethernet/intel/iavf/iavf_ptp.h | 46 ++ drivers/net/ethernet/intel/iavf/iavf_txrx.c | 424 +++++++++++--- drivers/net/ethernet/intel/iavf/iavf_txrx.h | 26 +- drivers/net/ethernet/intel/iavf/iavf_type.h | 150 +++-- .../net/ethernet/intel/iavf/iavf_virtchnl.c | 237 ++++++++ drivers/net/ethernet/intel/ice/ice_base.c | 3 - drivers/net/ethernet/intel/ice/ice_ptp.c | 4 +- drivers/net/ethernet/intel/ice/ice_ptp.h | 2 + drivers/net/ethernet/intel/ice/ice_vf_lib.h | 2 + drivers/net/ethernet/intel/ice/ice_virtchnl.c | 86 ++- drivers/net/ethernet/intel/ice/ice_virtchnl.h | 2 + .../intel/ice/ice_virtchnl_allowlist.c | 6 + include/linux/avf/virtchnl.h | 127 ++++- 17 files changed, 1762 insertions(+), 161 deletions(-) create mode 100644 drivers/net/ethernet/intel/iavf/iavf_ptp.c create mode 100644 drivers/net/ethernet/intel/iavf/iavf_ptp.h