From patchwork Thu May 9 16:32:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Jurgens X-Patchwork-Id: 13659940 X-Patchwork-Delegate: kuba@kernel.org Received: from NAM10-BN7-obe.outbound.protection.outlook.com (mail-bn7nam10on2080.outbound.protection.outlook.com [40.107.92.80]) (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 701963D6C for ; Thu, 9 May 2024 16:32:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.92.80 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715272378; cv=fail; b=HOZO9x+xABONDC7zf4JUs/MOjOBANRIffc0rDVJaIRd+8B66ZhD6qnYcUzg3tBJ5Fl7E+Em7X/z74YqtYbrS1EDSihMXW4IKLrDOq+ChnkLEGCOwV6w2byrxtpc4dczhiUPT/fvf7aA+H1LSJXmdgCapJd+7u/RB9hPE4QoNHdA= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715272378; c=relaxed/simple; bh=8dTHgmc1e4oNgvIQEsnwxh6tVV8a0Xp1AprDS9DK8vQ=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=CWzGVTHPRzpwjGcVCf4NRqRfloAfTstaA9qurH8K5Xtot++rj8yTzjSGK/T0JuOh5BL3puNBvOp5Vuv9+uOY0teAsKRcE8mWux4KpWk7H6Qwl2zP8KH3iBc+rO2FN56nWthN6rR1HQXItHZ09zxjKwsGx7pllsytwpZm6NiGT24= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=YlkUf+2K; arc=fail smtp.client-ip=40.107.92.80 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="YlkUf+2K" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=OxyGKnd+aVRW1ar9SSEVurUoBkAP1vXVaoXtUOxOOn/gGlbPMNYqe05gze7onaFFi2kDKldLgUbTqHmyGp2BT8HqWhCVV2dRXe3O5BxmSWPafQ4QLZKJdoe+iIopAlVzj1jJ3aS3DdlfjwwzyrZE+We9LAFAKbvGyf/epJTURJHQ1yzaNUTLcbLl2uMTdOWXyZJQ9xZe6pY9WhhAHKcWV8G9L/0iO7gLAaz2QTjWRD/zJYAdWbHs+AtZ29XH8ld5rNAqaK5aMLuydU6sHqmNHPr4PqMbwWrgG5YzOmUBXDXNgWhTejUHDIXFIOg44ba1potSWglHUHCEdKuRGWJmcA== 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=ANqksOxiSwFrdS3pflG6NvljQYnPyaP/IUGka/deAU0=; b=HQF0H0d3nG3hoPra18B2bD9KxNpqSe+jTeEFjEQMua44HAwL2KIYUtrVqeGZFRcfSLCd44ggxU5TY9MGqgLgbteBztabnNQ7UrV17ksYINMWRlkzqNorXJI5q9sHOBqsjhbc4qPGcKsaG+5JwVITjDDz7UstYCsYS72vCR5TWcMfTUUt6R03q1/k+Gg0KklAQux0YBtudG9lsikV87TN0ZVFm7frXzAeHhbqGQHVawIeUM397e1bmSmmui6UnrLOZ2MJWGKtikjGBMnLycEbDYsCLkPgLOJeC6FqTM6yIa5bi49ixQKwtUuHrubZ9cUPqW6L6thytseas2Ujfa5z3Q== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.118.232) smtp.rcpttodomain=vger.kernel.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 (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ANqksOxiSwFrdS3pflG6NvljQYnPyaP/IUGka/deAU0=; b=YlkUf+2Kf8DU7B+mdNYdQNI9eswcVqgexj+rB/WJdAkHq0Ar8et52T2Mzwgsl0Y4lu7yYuwnL/PK0AWEsRgoSEDMKnLNUAOzBUHRgO9gUp5c8D4LB70fAXX1t0pWqO1mtPS7CQf5K+udZGW85dDkZfCeexc1k2qP0eUI12Mwilm8UPWghYhq19hDHQ5GQoUA0UMqAR29PjJoDTmzNYWgAObCsQiUDEpva9GRQxlHNfk37lmdsd/edBoDp4FkqXzCcjLztJnUcG54ZOh7a6GX5NkjYNcxoybv8hJQURekrVa6LPIvtJDGYViIEfeVr2Rs2BWlzLpvbXbiEiu91qe0yg== Received: from CH5P220CA0007.NAMP220.PROD.OUTLOOK.COM (2603:10b6:610:1ef::13) by IA1PR12MB6284.namprd12.prod.outlook.com (2603:10b6:208:3e4::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7544.38; Thu, 9 May 2024 16:32:52 +0000 Received: from CH2PEPF0000013F.namprd02.prod.outlook.com (2603:10b6:610:1ef:cafe::a3) by CH5P220CA0007.outlook.office365.com (2603:10b6:610:1ef::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7544.48 via Frontend Transport; Thu, 9 May 2024 16:32:51 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.118.232) 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 216.228.118.232 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.118.232; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.118.232) by CH2PEPF0000013F.mail.protection.outlook.com (10.167.244.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7544.18 via Frontend Transport; Thu, 9 May 2024 16:32:51 +0000 Received: from drhqmail203.nvidia.com (10.126.190.182) by mail.nvidia.com (10.127.129.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Thu, 9 May 2024 09:32:30 -0700 Received: from drhqmail202.nvidia.com (10.126.190.181) by drhqmail203.nvidia.com (10.126.190.182) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Thu, 9 May 2024 09:32:30 -0700 Received: from vdi.nvidia.com (10.127.8.13) by mail.nvidia.com (10.126.190.181) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Thu, 9 May 2024 09:32:29 -0700 From: Daniel Jurgens To: CC: , , , , , , , , , Daniel Jurgens Subject: [PATCH net-next 1/2] netdev: Add queue stats for TX stop and wake Date: Thu, 9 May 2024 11:32:15 -0500 Message-ID: <20240509163216.108665-2-danielj@nvidia.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240509163216.108665-1-danielj@nvidia.com> References: <20240509163216.108665-1-danielj@nvidia.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PEPF0000013F:EE_|IA1PR12MB6284:EE_ X-MS-Office365-Filtering-Correlation-Id: c4674a5c-c96e-4244-30d6-08dc7045abe5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230031|82310400017|376005|1800799015|36860700004; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230031)(82310400017)(376005)(1800799015)(36860700004);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 May 2024 16:32:51.7340 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c4674a5c-c96e-4244-30d6-08dc7045abe5 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CH2PEPF0000013F.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6284 X-Patchwork-Delegate: kuba@kernel.org TX queue stop and wake are counted by some drivers. Support reporting these via netdev-genl queue stats. Signed-off-by: Daniel Jurgens Reviewed-by: Jiri Pirko --- Documentation/netlink/specs/netdev.yaml | 10 ++++++++++ include/net/netdev_queues.h | 3 +++ include/uapi/linux/netdev.h | 2 ++ net/core/netdev-genl.c | 4 +++- tools/include/uapi/linux/netdev.h | 3 ++- 5 files changed, 20 insertions(+), 2 deletions(-) diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml index 2be4b3714d17..c8b976d03330 100644 --- a/Documentation/netlink/specs/netdev.yaml +++ b/Documentation/netlink/specs/netdev.yaml @@ -439,6 +439,16 @@ attribute-sets: Number of the packets dropped by the device due to the transmit packets bitrate exceeding the device rate limit. type: uint + - + name: tx-stop + doc: | + Number of times the tx queue was stopped. + type: uint + - + name: tx-wake + doc: | + Number of times the tx queue was restarted. + type: uint operations: list: diff --git a/include/net/netdev_queues.h b/include/net/netdev_queues.h index e7b84f018cee..a8a7e48dfa6c 100644 --- a/include/net/netdev_queues.h +++ b/include/net/netdev_queues.h @@ -41,6 +41,9 @@ struct netdev_queue_stats_tx { u64 hw_gso_wire_bytes; u64 hw_drop_ratelimits; + + u64 stop; + u64 wake; }; /** diff --git a/include/uapi/linux/netdev.h b/include/uapi/linux/netdev.h index cf24f1d9adf8..a8188202413e 100644 --- a/include/uapi/linux/netdev.h +++ b/include/uapi/linux/netdev.h @@ -165,6 +165,8 @@ enum { NETDEV_A_QSTATS_TX_HW_GSO_WIRE_PACKETS, NETDEV_A_QSTATS_TX_HW_GSO_WIRE_BYTES, NETDEV_A_QSTATS_TX_HW_DROP_RATELIMITS, + NETDEV_A_QSTATS_TX_STOP, + NETDEV_A_QSTATS_TX_WAKE, __NETDEV_A_QSTATS_MAX, NETDEV_A_QSTATS_MAX = (__NETDEV_A_QSTATS_MAX - 1) diff --git a/net/core/netdev-genl.c b/net/core/netdev-genl.c index 4b5054087309..1f6ae6379e0f 100644 --- a/net/core/netdev-genl.c +++ b/net/core/netdev-genl.c @@ -517,7 +517,9 @@ netdev_nl_stats_write_tx(struct sk_buff *rsp, struct netdev_queue_stats_tx *tx) netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_HW_GSO_BYTES, tx->hw_gso_bytes) || netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_HW_GSO_WIRE_PACKETS, tx->hw_gso_wire_packets) || netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_HW_GSO_WIRE_BYTES, tx->hw_gso_wire_bytes) || - netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_HW_DROP_RATELIMITS, tx->hw_drop_ratelimits)) + netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_HW_DROP_RATELIMITS, tx->hw_drop_ratelimits) || + netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_STOP, tx->stop) || + netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_WAKE, tx->wake)) return -EMSGSIZE; return 0; } diff --git a/tools/include/uapi/linux/netdev.h b/tools/include/uapi/linux/netdev.h index cf24f1d9adf8..ccf6976b1693 100644 --- a/tools/include/uapi/linux/netdev.h +++ b/tools/include/uapi/linux/netdev.h @@ -164,7 +164,8 @@ enum { NETDEV_A_QSTATS_TX_HW_GSO_BYTES, NETDEV_A_QSTATS_TX_HW_GSO_WIRE_PACKETS, NETDEV_A_QSTATS_TX_HW_GSO_WIRE_BYTES, - NETDEV_A_QSTATS_TX_HW_DROP_RATELIMITS, + NETDEV_A_QSTATS_TX_STOP, + NETDEV_A_QSTATS_TX_WAKE, __NETDEV_A_QSTATS_MAX, NETDEV_A_QSTATS_MAX = (__NETDEV_A_QSTATS_MAX - 1)