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=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, 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 A5C08C47089 for ; Thu, 27 May 2021 21:12:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 78815613E6 for ; Thu, 27 May 2021 21:12:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234447AbhE0VN4 (ORCPT ); Thu, 27 May 2021 17:13:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233387AbhE0VNz (ORCPT ); Thu, 27 May 2021 17:13:55 -0400 Received: from mail-qk1-x72c.google.com (mail-qk1-x72c.google.com [IPv6:2607:f8b0:4864:20::72c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AFD73C061574 for ; Thu, 27 May 2021 14:12:21 -0700 (PDT) Received: by mail-qk1-x72c.google.com with SMTP id k4so2169984qkd.0 for ; Thu, 27 May 2021 14:12:21 -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=2PO0dl4d0zdkZqHioEGkmfd8OJxhhsiQ9r0se5fDwAk=; b=KGzLkXu+HUuU4nLhwC3exh79lhh52cbFcAzFMnnDcjD8Ikd2O91vF+HZQF+8Y0Ocm9 Lr4TJ3UP7+mjHVNzd8YuiYLJ5j02caWV+rr+qSvPjtAf6DcaqK+HATPxEXdx1pFKM15u aTSzYM3BQcuTOM68E1dycQa50czbL6UdjunUBNfiZ6Y1upoqMfTPG9H01Qavh95kPyem CX5s5W8d5/BWGIrRHDAa5XUTVfDcp6fFAEpqdD83iH1jxh2/x4eTx/hzNIXS4F4ctMrD fs1Ht+uQtFjHFODoq+eQCfqdkSQF6zHF4HA1c3kp9XihpMckM4WR5DCX+nr3K3JzE+ds oGdA== 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=2PO0dl4d0zdkZqHioEGkmfd8OJxhhsiQ9r0se5fDwAk=; b=nZcFNnEITsVqbCwHBfLGv8KXhn1UdkFzAys7urBef+bJRHCVaGuqHPSDBAsBk05DdU ELgb924ljz1CRxVn7MAvKTxKYl4aX83bBq4/gSZ1urvRJ2/DUbpySviw7/gtrZuwNJzP IMtSm2bIkBMoBaqCGLdPRyTwhRbQeY+nr/W+qRfZprETdYHO35c6FU8QzmJo//Mb10L2 oWDmqEZueAA+JSK249M9sbR9gnIawR1npz2xl5RS76HGMyMq2xOc+iZ92Q9u4NUf/F+R XoK/vrYlVNEQTZWAoE5N1vmhP6VNPLEaYD4FeqDFc4Z1jmwLMhMbiKtGA7+tRITm7ELf vQRw== X-Gm-Message-State: AOAM531dzD9+tOMNHLVRlsDeSJZg9IpmGknu9kLK2ng4lwsfBj3yf+QX nkXrfbns57RpI0IwJDPFVR3m5g3/iFk= X-Google-Smtp-Source: ABdhPJwEizOmbQ93QIBxrI2aVV+xyGWkMQqo12NDqiZEbXZPLCJGJ7oUAvH/HJoQMtu1kQ0wi+LXog== X-Received: by 2002:a05:620a:2f9:: with SMTP id a25mr483648qko.401.1622149940726; Thu, 27 May 2021 14:12:20 -0700 (PDT) Received: from tannerlove.nyc.corp.google.com ([2620:0:1003:316:2437:9aae:c493:2542]) by smtp.gmail.com with ESMTPSA id f19sm2271362qkg.70.2021.05.27.14.12.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 May 2021 14:12:20 -0700 (PDT) From: Tanner Love To: netdev@vger.kernel.org Cc: davem@davemloft.net, Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Tanner Love Subject: [PATCH net-next 0/3] virtio_net: add optional flow dissection in virtio_net_hdr_to_skb Date: Thu, 27 May 2021 17:12:11 -0400 Message-Id: <20210527211214.1960922-1-tannerlove.kernel@gmail.com> X-Mailer: git-send-email 2.32.0.rc0.204.g9fa02ecfa5-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Tanner Love First patch extends the flow dissector BPF program type to accept virtio-net header members. Second patch uses this feature to add optional flow dissection in virtio_net_hdr_to_skb(). This allows admins to define permitted packets more strictly, for example dropping deprecated UDP_UFO packets. Third patch extends kselftest to cover this feature. Tanner Love (3): net: flow_dissector: extend bpf flow dissector support with vnet hdr virtio_net: add optional flow dissection in virtio_net_hdr_to_skb selftests/net: amend bpf flow dissector prog to do vnet hdr validation drivers/net/bonding/bond_main.c | 2 +- include/linux/skbuff.h | 26 ++- include/linux/virtio_net.h | 27 ++- include/net/flow_dissector.h | 6 + include/uapi/linux/bpf.h | 6 + net/core/filter.c | 55 ++++++ net/core/flow_dissector.c | 23 ++- net/core/sysctl_net_core.c | 10 + tools/include/uapi/linux/bpf.h | 6 + tools/testing/selftests/bpf/progs/bpf_flow.c | 187 +++++++++++++----- .../selftests/bpf/test_flow_dissector.c | 181 ++++++++++++++--- .../selftests/bpf/test_flow_dissector.sh | 19 ++ 12 files changed, 469 insertions(+), 79 deletions(-) -- 2.32.0.rc0.204.g9fa02ecfa5-goog