From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from ws5-mx01.kavi.com (ws5-mx01.kavi.com [34.193.7.191]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 76EBBC71136 for ; Fri, 18 Aug 2023 04:36:31 +0000 (UTC) Received: from lists.oasis-open.org (oasis.ws5.connectedcommunity.org [10.110.1.242]) by ws5-mx01.kavi.com (Postfix) with ESMTP id C29FD26A2E for ; Fri, 18 Aug 2023 04:36:30 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id B55BF98664F for ; Fri, 18 Aug 2023 04:36:30 +0000 (UTC) Received: from host09.ws5.connectedcommunity.org (host09.ws5.connectedcommunity.org [10.110.1.97]) by lists.oasis-open.org (Postfix) with QMQP id A4FD8986595; Fri, 18 Aug 2023 04:36:30 +0000 (UTC) Mailing-List: contact virtio-comment-help@lists.oasis-open.org; run by ezmlm List-ID: Sender: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 6DCEF98654A; Fri, 18 Aug 2023 04:36:30 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=H0711RO9ZSM07N+ffDPw3/RvByBvE6X+xFmRFapz21B6ydrBy8c735DGIwksoekVTfQFFcGZQw+hFH4s39uN0vrl6WSsbNVKl/BWehpk7C37rnRTditLD9aJZjBHYI//r+OXpV/lWn2xr7KVMxZnSHhDHLHj/2uRyfM+FIMtdKUaxId02/wpI0xi2qi02dR/15nVmQovhKUZ28lRliWkg1jUeSx70szLZmbGTfiQmFUAX17QF12NUShczcwh0hc35kJ/QWW/Z7kf1Xp01+j50vGlcv4h4fNwgkJw/fR2ZatUn1/4lf6/w6JlMX7/D/DspP3HoPXQ8RLP+Pulr1jtxw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=GRDjlibDo2SzY7yUaKWnMGEmS+AQVSjb7FzJl/jHquA=; b=cRJVXBw+kMi8mVbBGu5TGYW7Ri/D8noJNlaeJ4SPEKPUGFls0qpC0mvX0gFW1PiBRgjDD0u4A4DROmOMJpFBfuu9dRDE8Z1UBZOszFE29EoKPgNj25Y6FIOGaKH1w1LqNpfDV4Bv6Pjl7+8j13+8vHI8io12Eyl5y7FYt6l0sOjgAjvkM9x1Rd4KlNQJdjL9Sn9sOQkUJBzqJtITvu/dv69e/cjmDL29DpTIKOflHzuuUgpdZsPIfE6wxlzcnp6vgiW3kuD9o77Qy0GN2mu4G9uNlMYR1hVkN2Z1ZnDlK+fF6xEAT6grEtsXNUS8EeR0vcxaH9VQkNIvmmXfmgUuXg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.160) smtp.rcpttodomain=lists.oasis-open.org smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.160) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C From: Parav Pandit To: , , , , CC: , , Parav Pandit Date: Fri, 18 Aug 2023 07:35:51 +0300 Message-ID: <20230818043557.496964-2-parav@nvidia.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20230818043557.496964-1-parav@nvidia.com> References: <20230818043557.496964-1-parav@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.126.230.37] X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EE35:EE_|BN9PR12MB5098:EE_ X-MS-Office365-Filtering-Correlation-Id: 910cd01a-3d8d-4815-68f2-08db9fa4ac1f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230031)(4636009)(346002)(136003)(39860400002)(376002)(396003)(186009)(1800799009)(82310400011)(451199024)(36840700001)(46966006)(40470700004)(6666004)(40460700003)(86362001)(16526019)(336012)(426003)(1076003)(107886003)(26005)(40480700001)(83380400001)(36756003)(36860700001)(47076005)(7636003)(82740400003)(356005)(2616005)(2906002)(54906003)(316002)(41300700001)(70206006)(70586007)(110136005)(5660300002)(8676002)(4326008)(8936002)(478600001)(966005);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Aug 2023 04:36:21.2999 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 910cd01a-3d8d-4815-68f2-08db9fa4ac1f X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EE35.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN9PR12MB5098 Subject: [virtio-comment] [PATCH requirements v5 1/7] net-features: Add requirements document for release 1.4 Add requirements document template for the virtio net features. Add virtio net device counters visible to driver. Signed-off-by: Parav Pandit --- changelog: v4->v5: - Fixed attributes query and counters query v3->v4: - Addressed comment from David - Added link to more counters that we are already discussing v0->v1: - removed tx dropped counter - updated requirements to mention about virtqueue interface for counters query --- net-workstream/features-1.4.md | 41 ++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 net-workstream/features-1.4.md diff --git a/net-workstream/features-1.4.md b/net-workstream/features-1.4.md new file mode 100644 index 0000000..ea36f09 --- /dev/null +++ b/net-workstream/features-1.4.md @@ -0,0 +1,41 @@ +# 1. Introduction + +This document describes the overall requirements for virtio net device +improvements for upcoming release 1.4. Some of these requirements are +interrelated and influence the interface design, hence reviewing them +together is desired while updating the virtio net interface. + +# 2. Summary +1. Device counters visible to the driver + +# 3. Requirements +## 3.1 Device counters +1. The driver should be able to query the device and/or per vq counters for + debugging purpose using a virtqueue directly from driver to device for + example using a control vq. +2. The driver should be able to query which counters are supported using a + virtqueue command, for example using an existing control vq. +3. If this device is migrated between two hosts, the driver should be able + get the counter values in the destination host from where it was left + off in the source host. +4. If a virtio device is a group member device, it must be possible to query + all of the group member counters via the group owner device. +5. If a virtio device is a group member device, it must be possible to query + all of the group member counter attributes via the group owner device. + +### 3.1.1 Per receive queue counters +1. le64 rx_oversize_pkt_errors: Packet dropped due to receive packet being + oversize than the buffer size +2. le64 rx_no_buffer_pkt_errors: Packet dropped due to unavailability of the + buffer in the receive queue +3. le64 rx_gso_pkts: Packets treated as receive GSO sequence by the device +4. le64 rx_pkts: Total packets received by the device + +### 3.1.2 Per transmit queue counters +1. le64 tx_gso_pkts: Packets send as transmit GSO sequence +2. le64 tx_pkts: Total packets send by the device + +### 3.1.3 More counters +More counters discussed in [1]. + +[1] https://lists.oasis-open.org/archives/virtio-comment/202308/msg00176.html -- 2.26.2 This publicly archived list offers a means to provide input to the OASIS Virtual I/O Device (VIRTIO) TC. In order to verify user consent to the Feedback License terms and to minimize spam in the list archive, subscription is required before posting. Subscribe: virtio-comment-subscribe@lists.oasis-open.org Unsubscribe: virtio-comment-unsubscribe@lists.oasis-open.org List help: virtio-comment-help@lists.oasis-open.org List archive: https://lists.oasis-open.org/archives/virtio-comment/ Feedback License: https://www.oasis-open.org/who/ipr/feedback_license.pdf List Guidelines: https://www.oasis-open.org/policies-guidelines/mailing-lists Committee: https://www.oasis-open.org/committees/virtio/ Join OASIS: https://www.oasis-open.org/join/