From patchwork Fri Jan 5 22:29:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William Tu X-Patchwork-Id: 856188 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="lhF+5gGu"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zD08l6VY5z9t2x for ; Sat, 6 Jan 2018 09:44:23 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753187AbeAEWaD (ORCPT ); Fri, 5 Jan 2018 17:30:03 -0500 Received: from mail-wm0-f65.google.com ([74.125.82.65]:45698 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753123AbeAEWaC (ORCPT ); Fri, 5 Jan 2018 17:30:02 -0500 Received: by mail-wm0-f65.google.com with SMTP id 9so4915697wme.4 for ; Fri, 05 Jan 2018 14:30:01 -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; bh=t4hoU3q+B2UC8owwge9WMRNtay0enJpzvgvbJfDLm4U=; b=lhF+5gGuviZM+mLIxHAMNT5Rs31xMfIPDMa0TNNsqujg+73DxA/WKd2KPWCj9aKLFy hpc3+MzSiBwFMUpKCRhcIs3PQwqT7WWXhwtoX+gTi1TbngkTV1ZyOsdBbaHg2fUoi+BF ROnPmDExCxjPoLU7aNIPnijFDpuhOmuJSEWvBwjt7tvnOrmkmnnhfjeClVzcBhq87AZ/ rZYNjO7jXHnSLQ7QadPEfTD9kStoYmBCCz8Y8iH5ifCtdvrn552zK3FuTd7mwm9m4Pl0 BXEWP1eVFkomEiQJ3r3ETG4rtawB92nShCmxGYx0AskM4M94tZqi7pcX51ucIcyXfvgM /w/A== 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; bh=t4hoU3q+B2UC8owwge9WMRNtay0enJpzvgvbJfDLm4U=; b=a2sLkiWJEDRJSRIBCqF23YGXfxaQwTYCQOa2oDiK6vTHM+IyZ0YLilmal1xB7l1lYX UIuxyROQnRyEYDSsOA+ysa/BYYPTerXlW+9uifHTwpDDxU9pbjGvNn9H4U7gGqio2jfY iUoPUKygCspvny/SU9tESmWvfHlpl52ekYw3EcYxATSd9Yn8gLhJi87Qv35tRFUE01MH CeC4kjyBB8ffFqzJ4g8XIwJtTs6Rpcgs9c1MSzI52ZdFRpmH05lonUpG2+dQNglEsjrR 4v6IygZDbbCdmvt5DDXv3DeDwB1VGgeyIEmZ9zA0+yNRsKri9Iomk9DckWWlTfA0//i3 zh/g== X-Gm-Message-State: AKGB3mLTeIjLZRzTHqqKfuLG7RAaVqSJHglmVG5m0vUgZ+stmtbQwpJU 2ZQF5JZxYsOgNapcz23uXW9cfdUv X-Google-Smtp-Source: ACJfBosAZd8YvpBO4U1pkhVgMWl3aSMqzFh7wgioonzeDFuIb6y9u+wksdY8CL5OyWcwxkEN5pebxw== X-Received: by 10.80.137.58 with SMTP id e55mr6171004ede.225.1515191400870; Fri, 05 Jan 2018 14:30:00 -0800 (PST) Received: from sc9-mailhost1.vmware.com ([208.91.2.1]) by smtp.gmail.com with ESMTPSA id w2sm4895163edb.4.2018.01.05.14.29.59 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 05 Jan 2018 14:30:00 -0800 (PST) From: William Tu To: netdev@vger.kernel.org Cc: pshelar@ovn.org Subject: [PATCH net-next 0/2] net: erspan: add support for openvswitch Date: Fri, 5 Jan 2018 14:29:19 -0800 Message-Id: <1515191361-107730-1-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 confusing. The first patch changes it to use bitfields. The second patch adds support 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 | 12 +++- net/ipv4/ip_gre.c | 38 +++++------- net/ipv6/ip6_gre.c | 36 ++++------- net/openvswitch/flow_netlink.c | 125 +++++++++++++++++++++++++++++++++++--- 5 files changed, 247 insertions(+), 91 deletions(-)