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_HELO_NONE,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 77A90C282CE for ; Wed, 22 May 2019 13:38:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4988F20851 for ; Wed, 22 May 2019 13:38:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="AsglvXHD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729071AbfEVNiK (ORCPT ); Wed, 22 May 2019 09:38:10 -0400 Received: from mail-pf1-f179.google.com ([209.85.210.179]:42011 "EHLO mail-pf1-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728827AbfEVNiJ (ORCPT ); Wed, 22 May 2019 09:38:09 -0400 Received: by mail-pf1-f179.google.com with SMTP id 13so1342704pfw.9; Wed, 22 May 2019 06:38:09 -0700 (PDT) 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=nhcoPC4n6MoSmkf6Zkn+978F7nplOwQl5NwuKH4lcb8=; b=AsglvXHD0AuQRafRW2ZUKoph9OP9DitNxM9w8wKgw57gEZkLVLAcbvj2atkb3kz0Es r76uWRHIf2SG5sR8PG43ZLbozwnjSyaPZcuakhSGbKC6/U6AdR4GoNlyy5t6gbOOMRmR B6zEZ1Bpc/J+XU0sj6Cu3TCFn8JeSWwhn6PnSgDcVMbZI0EO3FKgRqtOjyjcCLSLFLmt grnTuViVCb+ZzaImTMDSXTmC3FFWtHrN88/OJSlfwVuGiltBm5J4yDkUZqMDRUhckf1L vFBsRDSpWKmVyfmO1+Cro9xG4pmXAw7uyQTTblpAS5j8k+oa8Ktx2WMDyaM7i3E1htFc 6xew== 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=nhcoPC4n6MoSmkf6Zkn+978F7nplOwQl5NwuKH4lcb8=; b=MqPBsawiHh1fFc5dz/LmTZII9+VGENoBs98Qny214cledGS4haqANdvB8aIguIpS5Z a2qETgZgCFO3xITs3MENboaNKDn/jUd34TZbSo9qml6IxLOGf5b1nWQ4NjdZTgx/hHwK T3vWz0Oixaf+p04J1lemuBTQ/Zw5n+ef54gN4W8cXat4lcnc0vxHwdCO4Lf96BIEpH/l muPSw8UG9VlNCMlIRg0ZuShCey3LcbE7Fl14QrOn6+p12EESEd7UNKx7Z0lddd5VjTUh jurTSP+wK2P/z/IZprlgqUsYq4uza0Q+LO7CLJQd9fPvIUvKBwrvStiClRAYfOHjBsND FKqQ== X-Gm-Message-State: APjAAAW9nzTQqYufYcHiXd9RTnuvUMyJT7hyrIZdRl+hXxnLT6dtS2SW T0y+y2rdlfiUow834US76tM= X-Google-Smtp-Source: APXvYqzEwTJ70ISmrtCoQ6SFHS0Yqc05MPVPpeFGWORnxNPbwW6V4dRnfimpFwuldfHezGZ9XJqsUQ== X-Received: by 2002:a63:1c4:: with SMTP id 187mr63130403pgb.317.1558532288998; Wed, 22 May 2019 06:38:08 -0700 (PDT) Received: from btopel-mobl.ger.intel.com ([192.55.54.45]) by smtp.gmail.com with ESMTPSA id o6sm53908997pfa.88.2019.05.22.06.38.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 May 2019 06:38:08 -0700 (PDT) From: =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= 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, bjorn.topel@intel.com, bruce.richardson@intel.com, bpf@vger.kernel.org Subject: [PATCH bpf-next v2 0/2] net: xdp: Two XSKMAP improvements Date: Wed, 22 May 2019 15:37:40 +0200 Message-Id: <20190522133742.7654-1-bjorn.topel@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org This series add two improvements for the XSKMAP, used by AF_XDP sockets. 1. Automatic cleanup when an AF_XDP socket goes out of scope. Instead of manually cleaning out the "released" state socket from the map, this is done automatically. This mimics the SOCKMAP behavior; Each socket tracks which maps it resides in, and remove itself from those maps at relase. 2. The XSKMAP did not honor the BPF_EXIST/BPF_NOEXIST flag on insert, which this patch addresses. Thanks, Björn v1->v2: Fixed deadlock and broken cleanup. (Daniel) Björn Töpel (2): xsk: remove AF_XDP socket from map when the socket is released xsk: support BPF_EXIST and BPF_NOEXIST flags in XSKMAP include/net/xdp_sock.h | 3 ++ kernel/bpf/xskmap.c | 117 +++++++++++++++++++++++++++++++++++------ net/xdp/xsk.c | 25 +++++++++ 3 files changed, 130 insertions(+), 15 deletions(-) -- 2.20.1