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=-3.6 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=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 4F278C49ED7 for ; Mon, 16 Sep 2019 07:10:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D97D2067D for ; Mon, 16 Sep 2019 07:10:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="IzhTEFNU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730331AbfIPHKa (ORCPT ); Mon, 16 Sep 2019 03:10:30 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:45023 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726927AbfIPHKa (ORCPT ); Mon, 16 Sep 2019 03:10:30 -0400 Received: by mail-pf1-f194.google.com with SMTP id q21so22411685pfn.11 for ; Mon, 16 Sep 2019 00:10:29 -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; bh=o3XIi9DXgd4LD2pExhDGPxp98Z+4PuuIDlbpCDFeAXg=; b=IzhTEFNUnJlKF1HvlvOJ5S366tDykv8A/QyBPs/QEukcysRbpA60IXTNLIoqjUDB37 BV58Lg+AcJYa+SgM9ceFUWr/dGGw/Z1Cjy/UjghwvEaTT3JObJaEA3DLT9UYKhgs0UDd dn6BXqgdQE4nJwZd+G4vrApeZozlZINnvlqlEnN9oia8v+ANw57aqex1q70YpvmHR7/G 7MaK7ni5rFvYhQNcRqPLBo8LswrR6+tosTd3kai8ajNM57Zg1GLNhOXkpKGy/NFctWxq tnFjB6ktiSI17BAOhEbrNJiR/J4tG73AtNr5HQi57QAw4qolDwNaRNhJf8YdPFiGV9+d C+oQ== 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=o3XIi9DXgd4LD2pExhDGPxp98Z+4PuuIDlbpCDFeAXg=; b=pA7kIxaV5zypJZ7PljOuXWeWqS40X3L5emxsesM2AEzf21fMcRGaYk+UkgsPS/REGO lDmaV/F3rok1+cAkFoyOX6qYvKms3qMH+blpS79xsDNlD6ybDHoJlByBFaYvV/17nMdw qtQbz99M6ThjR2bn8kMYtb/KOJn4Fo/x5/dTwGLipNn9i6FXL8txp+2iOW5o1wx2ALtH TbIcQcxDN+m/owAjIJxPdO4qeVJ5rsEWDDtcghpw9c3/V2Vx1+yavCkHqKFfsAkLtMgL vfajNMqIkUERqfMY8IKMLO5fKUq08ii5KEf2dgrVUnkIDkpJeEAMQDqfoIju5U5VhBiD Gcdg== X-Gm-Message-State: APjAAAV+e5Q6OUsNGtdjHM611XA0rxUT+Pve5OFSFGD0HyKU2cJaNZDD 5CG0OrkXcIzN70+X+9DsNya4rjzgiuQ= X-Google-Smtp-Source: APXvYqxzZcYG5WULT5GvsxZcya+FQ5XKralAQhRU5gMBMDLey3GR4qqUH8eGXHYA1o2UK8ZRnB1cFA== X-Received: by 2002:a65:4505:: with SMTP id n5mr49471500pgq.301.1568617828830; Mon, 16 Sep 2019 00:10:28 -0700 (PDT) Received: from localhost ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id a12sm12900486pfn.95.2019.09.16.00.10.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 16 Sep 2019 00:10:28 -0700 (PDT) From: Xin Long To: network dev Cc: davem@davemloft.net, Jiri Benc , Thomas Graf , u9012063@gmail.com Subject: [PATCH net-next 0/6] net: add support for ip_tun_info options setting Date: Mon, 16 Sep 2019 15:10:14 +0800 Message-Id: X-Mailer: git-send-email 2.1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org With this patchset, users can configure options with LWTUNNEL_IP(6)_OPTS by ip route encap for ersapn or vxlan lwtunnel. Note that in kernel part it won't parse the option details but do some check and memcpy only, and the options will be parsed by iproute in userspace. We also improve the vxlan and erspan options processing in this patchset. As an example I also wrote a patch for iproute2 that I will reply on this mail, with it we can add options for erspan lwtunnel like: # ip net a a; ip net a b # ip -n a l a eth0 type veth peer name eth0 netns b # ip -n a l s eth0 up; ip -n b link set eth0 up # ip -n a a a 10.1.0.1/24 dev eth0; ip -n b a a 10.1.0.2/24 dev eth0 # ip -n b l a erspan1 type erspan key 1 seq erspan 123 \ local 10.1.0.2 remote 10.1.0.1 # ip -n b a a 1.1.1.1/24 dev erspan1; ip -n b l s erspan1 up # ip -n b r a 2.1.1.0/24 dev erspan1 # ip -n a l a erspan1 type erspan key 1 seq local 10.1.0.1 external # ip -n a a a 2.1.1.1/24 dev erspan1; ip -n a l s erspan1 up # ip -n a r a 1.1.1.0/24 encap ip id 1 erspan ver 1 idx 123 \ dst 10.1.0.2 dev erspan1 # ip -n a r s; ip net exec a ping 1.1.1.1 -c 1 Xin Long (6): lwtunnel: add options process for arp request lwtunnel: add LWTUNNEL_IP_OPTS support for lwtunnel_ip lwtunnel: add LWTUNNEL_IP6_OPTS support for lwtunnel_ip6 vxlan: check tun_info options_len properly erspan: fix the tun_info options_len check erspan: make md work without TUNNEL_ERSPAN_OPT set drivers/net/vxlan.c | 6 +++-- include/uapi/linux/lwtunnel.h | 2 ++ net/ipv4/ip_gre.c | 31 ++++++++++------------- net/ipv4/ip_tunnel_core.c | 59 +++++++++++++++++++++++++++++++++---------- net/ipv6/ip6_gre.c | 35 +++++++++++++------------ 5 files changed, 84 insertions(+), 49 deletions(-) -- 2.1.0