From patchwork Wed Jan 10 01:51:20 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William Tu X-Patchwork-Id: 857871 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="M8foekL9"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zGX714spJz9s7n for ; Wed, 10 Jan 2018 12:51:41 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933042AbeAJBvi (ORCPT ); Tue, 9 Jan 2018 20:51:38 -0500 Received: from mail-wm0-f68.google.com ([74.125.82.68]:36927 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932975AbeAJBvh (ORCPT ); Tue, 9 Jan 2018 20:51:37 -0500 Received: by mail-wm0-f68.google.com with SMTP id f140so24017788wmd.2 for ; Tue, 09 Jan 2018 17:51:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id; bh=3tLbuwQUOQ2HCb5E0xpqJ+WviIoMgmMv1XdARSvGmA8=; b=M8foekL9W7cYwWcfqQ0P1A13UYmwNs+taWW7sxwSyrigroF9/Mcv8aPQvTCs/bqjxj yZIqWZeeOYBqQ5DSEDW3O14XYa24xGyn3o4tw7X7JRi+M1Th25VJNHI/54myNvKB88Bs i4TE9L9yeR39ormpnaRztArqzXKC34SILfOY07XQW8vlnvWoZpHzBE2mdTfXQSYh+Ltr nbNf4KAjV199tBVFoX0BbnW4Fyu6Wo5LCIT4ENJVRq/jUmM7IZ9zwdk8q7n5b+iSUXLC iAbWLRhml4zLQGB0BXTbJeImEmcCpvr+LSOFca7bU7QklPwU54XkMmJIm6Cs4hJNv4W5 t8xw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id; bh=3tLbuwQUOQ2HCb5E0xpqJ+WviIoMgmMv1XdARSvGmA8=; b=d+1Tv5OToRiiIZCOSUI1zT0cMkCkVndMS/shHSy6MQBBByQW53gmwmPyNDF4izdqLb odFknH9VIQqExWJcAEssc9pWDp9AfZiXd2/C0vUjmLzU1Xul2jSqXfKvARKRac8btIE2 JLxAU8gWFrlvvY3U04xE51S51nQmArRILciYjLPua4eaZzXtOnxhndPj9GfSRb0KlIar 2BaA8KGCItZ3jCfPfYulw1GWT+/IbaKSnhXg/aqEmTh4QrXE9pQMSBGnhnqFgDh3ixBb IR54DKEN3D3Q338tIuFWBGnJPfgNWe74w2OJ8AR9nYy87dKaJiCMHAshbOjVwmXGqZFs zrig== X-Gm-Message-State: AKGB3mJJYAEZLGHNDskO41uLwrRqg8iWFTu18PO0pobf0mtwZ5Woreab VgvSth9HRzcFteYnIhBi4If5cMcA X-Google-Smtp-Source: ACJfBot72+AoPCL18cvwungLHhbNnJcggaelRMp8vW6tLNxri+JowqiFbIDRr+3KH/0DF0HMLVbCOg== X-Received: by 10.80.155.89 with SMTP id a25mr23701834edj.290.1515549095770; Tue, 09 Jan 2018 17:51:35 -0800 (PST) Received: from sc9-mailhost1.vmware.com ([24.5.191.4]) by smtp.gmail.com with ESMTPSA id p37sm8277712eda.96.2018.01.09.17.51.34 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 09 Jan 2018 17:51:35 -0800 (PST) From: William Tu To: netdev@vger.kernel.org Subject: [PATCHv2 net-next 0/2] net: erspan: add support for openvswitch Date: Tue, 9 Jan 2018 17:51:20 -0800 Message-Id: <1515549082-4141-1-git-send-email-u9012063@gmail.com> X-Mailer: git-send-email 2.7.4 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The first patch refactors the originally erspan header definitions. Originally, the erspan fields are defined as a group into a __be16 field, and use mask and offset to access each field. This is more costly due to calling ntohs/htons and error-prone. The first patch changes it to use bitfields. The second patch introduces the new OVS tunnel key attribute to program both v1 and v2 erspan tunnel for openvswitch. William Tu (2): net: erspan: use bitfield instead of mask and offset openvswitch: add erspan version II support include/net/erspan.h | 127 ++++++++++++++++++++++++++++---------- include/uapi/linux/openvswitch.h | 13 +++- net/ipv4/ip_gre.c | 38 +++++------- net/ipv6/ip6_gre.c | 36 ++++------- net/openvswitch/flow_netlink.c | 129 ++++++++++++++++++++++++++++++++++++--- 5 files changed, 253 insertions(+), 90 deletions(-) --- v1->v2 Fix compatibility issue suggested by Pravin. -- 2.7.4