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 X-Spam-Level: X-Spam-Status: No, score=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1581C43387 for ; Fri, 18 Jan 2019 13:03:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 96F2D20823 for ; Fri, 18 Jan 2019 13:03:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="BMpDhjfG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727017AbfARNDs (ORCPT ); Fri, 18 Jan 2019 08:03:48 -0500 Received: from mail-pg1-f194.google.com ([209.85.215.194]:46385 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726810AbfARNDs (ORCPT ); Fri, 18 Jan 2019 08:03:48 -0500 Received: by mail-pg1-f194.google.com with SMTP id w7so6022518pgp.13 for ; Fri, 18 Jan 2019 05:03:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=JXIqzWmMsneoK7AAL8BxIyQKDfuuvgf81SH9rY5/QAc=; b=BMpDhjfG7t+6rhsZ+uKXC2kQgtlsKDykUjVHtput1D6ESeCB6oFP637boVvGzl8luY fS84Po/hPrVnN2AY1aNQNlbAYrRPS3Gpn1qKS9LzPSdBsO4g7HBcO688BhGEbHfvD+fC axl3bodgCOJMXKtkWQyMhUn+9BJaRCSx+wSnGuHEritbPBDBfV/rzvUvGmxsnMymhGca eRPX9bH6HZewIG/XdcJxHb3sfLrGq4Zc4d8w8wFYt2sICXAe0EGM/OO/kS/yH72yHqNf 2FHVeoCjRNH2tJMw83yeFl6gZXMiLLfFAZsfDSFtZOwNwqjl4cfdxUq6ceAPrv24LLJm hONA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=JXIqzWmMsneoK7AAL8BxIyQKDfuuvgf81SH9rY5/QAc=; b=GpTwr7zu3osX4fGVPOlumaGWGu4YE9vFQiyk93IadZTMmgYRbz3znYZwc8+yC6t1nf SgzFIqx4re2eACr8uvSGAvPIQYzmbiR45dmTeGmBhZzcdSJGWPDfQHwmnKxAVze6jhL+ kMencq4fMe8U0jxqRUoOYCxXLgepH5iFpHts9Oxnk/GKSDWL6UUT7Um9bK6k4xARTgNr twKZJ/2wDP1MOqzivv1MupZOVpmQC1S5IwqsXgIPh3W/vrbWJM9DakW8PShvKI76Ugzi 5uP+9ikxlZaoLKEqsA70A/jt65sNk/J5AqLDGIdMzxy4AFwZsQ0dbYnd8y42yGCMPW/U 8AIg== X-Gm-Message-State: AJcUukfHNLe516e99iYYhf6DhIWFH+nbTM8sgQtnGVnVzTCkkO6MLdpS WTrA5bTwZMsPNdVcY1HJbzA= X-Google-Smtp-Source: ALg8bN4T/eNL8t8etDtfg+nDk3itWDS43plueVZ2Q4Mt15e/R9KL8xGaVnXylPYP+i0izxYtrERfBg== X-Received: by 2002:a65:4b82:: with SMTP id t2mr17652929pgq.189.1547816626769; Fri, 18 Jan 2019 05:03:46 -0800 (PST) Received: from btopel-mobl.ger.intel.com (fmdmzpr04-ext.fm.intel.com. [192.55.54.39]) by smtp.gmail.com with ESMTPSA id 84sm12418712pfa.115.2019.01.18.05.03.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 18 Jan 2019 05:03:46 -0800 (PST) From: bjorn.topel@gmail.com To: ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org Cc: =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , magnus.karlsson@intel.com, magnus.karlsson@gmail.com Subject: [PATCH bpf-next 0/3] AF_XDP: add socket monitoring support Date: Fri, 18 Jan 2019 14:03:02 +0100 Message-Id: <20190118130305.11504-1-bjorn.topel@gmail.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Björn Töpel This series adds an AF_XDP sock_diag interface for querying sockets from user-space. Tools like iproute2 ss(8) can use this interface to list open AF_XDP sockets. The diagnostic provides information about the Rx/Tx/fill/completetion rings, umem, memory usage and such. For a complete list, please refer to the xsk_diag.c file. The AF_XDP sock_diag interface is optional, and can be built as a module. A separate patch series, adding ss(8) iproute2 support, will follow. Thanks, Björn Björn Töpel (3): net: xsk: track AF_XDP sockets on a per-netns list xsk: add id to umem xsk: add sock_diag interface for AF_XDP include/net/net_namespace.h | 4 + include/net/netns/xdp.h | 13 +++ include/net/xdp_sock.h | 1 + include/uapi/linux/xdp_diag.h | 72 +++++++++++++ net/xdp/Kconfig | 8 ++ net/xdp/Makefile | 1 + net/xdp/xdp_umem.c | 13 +++ net/xdp/xsk.c | 36 ++++++- net/xdp/xsk.h | 12 +++ net/xdp/xsk_diag.c | 192 ++++++++++++++++++++++++++++++++++ 10 files changed, 347 insertions(+), 5 deletions(-) create mode 100644 include/net/netns/xdp.h create mode 100644 include/uapi/linux/xdp_diag.h create mode 100644 net/xdp/xsk.h create mode 100644 net/xdp/xsk_diag.c -- 2.19.1