From patchwork Fri Apr 24 18:55:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenz Bauer X-Patchwork-Id: 220598 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=-3.9 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=no 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 5236DC54FD0 for ; Fri, 24 Apr 2020 18:56:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 29D0920857 for ; Fri, 24 Apr 2020 18:56:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=cloudflare.com header.i=@cloudflare.com header.b="c35SoLrq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728905AbgDXS4G (ORCPT ); Fri, 24 Apr 2020 14:56:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727033AbgDXS4F (ORCPT ); Fri, 24 Apr 2020 14:56:05 -0400 Received: from mail-wm1-x343.google.com (mail-wm1-x343.google.com [IPv6:2a00:1450:4864:20::343]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86B06C09B048 for ; Fri, 24 Apr 2020 11:56:05 -0700 (PDT) Received: by mail-wm1-x343.google.com with SMTP id u127so12135300wmg.1 for ; Fri, 24 Apr 2020 11:56:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloudflare.com; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=ZwcPKnb5cZ7VoIyj6nK3gkxMikTmBHrFG55t3Mv9UCg=; b=c35SoLrq7rs1ZEEBb+3C2NhgTyW7AtBP0qrt/QOvKQIWhvbhfS9j9493wOcWXkZ5XG 1nodOtITd6jPRwq5tNeWfdd+w/zL8wwPQ6QdxkYQegFG+JspmvORqzwZEbsz3Vv3hmHy 7C/UrOX7GFXCAYW7cLVlpx+9sQE+WvrjvU3I4= 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=ZwcPKnb5cZ7VoIyj6nK3gkxMikTmBHrFG55t3Mv9UCg=; b=BOO3vbOLLOLqE5MFUYk2NBYGns/Qvj/W+OZ03X7e/A4RMxyaFam0HZJXpCzakmVhnd XJVKrcbLlZSsuGdxHQ1uI63F6JudftvrQQfsy4kuviTvoqcNQC7yxejzcloLaG8pA80A 0Uk86dycb4ckmlbYZlG1L+vx+fLNZBSDh5o28io+FTAD830Ea3uO0Mf8JzWvXTmK0U5r bb9JY0jbVdlepb5cUFvybS/4zff94wPe9zhqQSJJSiCKlFN0VDp2Pbko/gsUmfJ38y+a EtOUHx5qO7g7CfKhKatjUCz9939mNanojfN4CxPuwyYrGH5mdvWGPmt4IG1ZRFGejSLI Fjlw== X-Gm-Message-State: AGi0PubiKPzg9iBAuzZlmzIrgy4XbdW1t4pAScfFc1Vo3M3nguzDZmbE z/rcVTpLlHOu6gxTkj3aipl+Uw== X-Google-Smtp-Source: APiQypLnj6/3x5hACLSblJPJSEZ7foGXLvucMXCs24gNeadD4IBCITpw/IEu9UQ6wVZXm2IvmJQOdw== X-Received: by 2002:a05:600c:4102:: with SMTP id j2mr12341821wmi.159.1587754564116; Fri, 24 Apr 2020 11:56:04 -0700 (PDT) Received: from antares.lan (111.253.187.81.in-addr.arpa. [81.187.253.111]) by smtp.gmail.com with ESMTPSA id r17sm9263875wrn.43.2020.04.24.11.56.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Apr 2020 11:56:02 -0700 (PDT) From: Lorenz Bauer To: Alexei Starovoitov , Daniel Borkmann Cc: theojulienne@github.com, Lorenz Bauer , netdev@vger.kernel.org, bpf@vger.kernel.org Subject: [PATCH 0/1] Open source our TC classifier Date: Fri, 24 Apr 2020 19:55:54 +0100 Message-Id: <20200424185556.7358-1-lmb@cloudflare.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org We've been developing an in-house L4 load balancer based on XDP and TC for a while. Following Alexei's call for more up-to-date examples of production BPF in the kernel tree [1], Cloudflare is making this available under dual GPL-2.0 or BSD 3-clause terms. The code requires at least v5.3 to function correctly. 1: https://lore.kernel.org/bpf/20200326210719.den5isqxntnoqhmv@ast-mbp/ Lorenz Bauer (1): selftests/bpf: add cls_redirect classifier .../selftests/bpf/prog_tests/cls_redirect.c | 456 +++++++ .../selftests/bpf/progs/test_cls_redirect.c | 1058 +++++++++++++++++ .../selftests/bpf/progs/test_cls_redirect.h | 54 + tools/testing/selftests/bpf/test_progs.h | 7 + 4 files changed, 1575 insertions(+) create mode 100644 tools/testing/selftests/bpf/prog_tests/cls_redirect.c create mode 100644 tools/testing/selftests/bpf/progs/test_cls_redirect.c create mode 100644 tools/testing/selftests/bpf/progs/test_cls_redirect.h