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,URIBL_BLOCKED, 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 2DFAFC282C3 for ; Thu, 24 Jan 2019 19:00:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EF6EB218A2 for ; Thu, 24 Jan 2019 19:00:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="FSm+r72g" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728220AbfAXTAU (ORCPT ); Thu, 24 Jan 2019 14:00:20 -0500 Received: from mail-pg1-f195.google.com ([209.85.215.195]:33378 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725913AbfAXTAT (ORCPT ); Thu, 24 Jan 2019 14:00:19 -0500 Received: by mail-pg1-f195.google.com with SMTP id z11so3073044pgu.0 for ; Thu, 24 Jan 2019 11:00:19 -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=ShNsjZqh7DEehizyZF2JgB443EN/p1ZJzRqhZfc5HDg=; b=FSm+r72ge4w/i/GnHwhiL52RZS6q14yLrowxqf8ZtpnCbItEHtUDfl/sC/v5+LspeO o4DTkR5s213/IWE2kVK64vXotc/f+ZITBMtLhKUVIZjganwMuM49QsSuE31YDaN+lC7B e88VK8TpDdcXB8bkltOkcTOZZ9/rO0vbiKmPZFm7Nk8aQBI8XFrX0jiFO3+Tyc9YFgpq y4xzEgSP4mvXAkPiyo4NdViokOMm4sfXeESowHigUMQTyhDxZ16IXRmQPP642H/c7MgT 5QeN3l4mZAVe7T+qfjGZtEs+DwZVusTDTu+6ugDPuPJrRx0kcO4ebi0P/C8tHOmhzMve wfKQ== 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=ShNsjZqh7DEehizyZF2JgB443EN/p1ZJzRqhZfc5HDg=; b=UhrgsIEUdeVohIeFw1bmdYmSgaPGXHYGU68r613n/JdtUVdHkIES+fI8MRMlJqEMWb zxgVCxuMRULmdIxh1yzeNPAyMhcRIZ4i9h3TCJiCSAL6qnFrFff7kS6vJVTmI2kWDdQP cjf9b3PRaCJOfT2yKoCbgiXKOT6KAIVX68eMBe53KmulvyEfFPnf9iHKakPTyOIckvwx I0bOLOmzcLrZZf8Zj0mWnwSsl3o8C5mBbOFoL5hgVWMM3s0XbcEoB4FKzhYVCJq9FO0M AhG7J41sCFILyBWj0Ew1iQOEsnBlL9ewuFbH+H8UcMiNEjgegGKm7UqePeC+MX5kcuCh 2ftw== X-Gm-Message-State: AJcUukeWmiV+GxX46MB19BeEuKs38h8Ejt6r/VfsPVjM8EKLuMTllXhl mTR778hQy4wRAOcUe81Ouyc= X-Google-Smtp-Source: ALg8bN4f+UfSVkgBKVQoOdwbtN3JXaQ+pAiEztVHcHGBjB4tF6jliAncdEcDDdVAH1/JekuBMy/HmA== X-Received: by 2002:a63:c904:: with SMTP id o4mr6970009pgg.331.1548356418597; Thu, 24 Jan 2019 11:00:18 -0800 (PST) Received: from btopel-mobl.ger.intel.com ([134.134.139.82]) by smtp.gmail.com with ESMTPSA id t90sm31594415pfj.23.2019.01.24.11.00.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 24 Jan 2019 11:00:18 -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 v2 0/3] AF_XDP: add socket monitoring support Date: Thu, 24 Jan 2019 19:59:36 +0100 Message-Id: <20190124185939.23628-1-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. v1->v2: * Removed extra newline * Zero-out all user-space facing structures prior setting the members * Added explicit "pad" member in _msg struct * Removed unused variable "req" in xsk_diag_handler_dump() Thanks to Daniel for reviewing the series! Cheers, 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 | 191 ++++++++++++++++++++++++++++++++++ 10 files changed, 346 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