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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 55EE7C2D0C3 for ; Sat, 21 Dec 2019 17:25:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 292562070C for ; Sat, 21 Dec 2019 17:25:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726763AbfLURZm (ORCPT ); Sat, 21 Dec 2019 12:25:42 -0500 Received: from relay1-d.mail.gandi.net ([217.70.183.193]:48525 "EHLO relay1-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726114AbfLURZm (ORCPT ); Sat, 21 Dec 2019 12:25:42 -0500 X-Originating-IP: 209.85.222.42 Received: from mail-ua1-f42.google.com (mail-ua1-f42.google.com [209.85.222.42]) (Authenticated sender: pshelar@ovn.org) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 67116240005 for ; Sat, 21 Dec 2019 17:25:40 +0000 (UTC) Received: by mail-ua1-f42.google.com with SMTP id o42so4350255uad.10 for ; Sat, 21 Dec 2019 09:25:40 -0800 (PST) X-Gm-Message-State: APjAAAVFQbzSPRccyYJdEHeDB4heXXtBzdsqgkTZM4DrfGD1RJAweQ6t wuYy7/oLYbF6ZjCJ9gGX7pTaD6LRrAZ1xJoeN48= X-Google-Smtp-Source: APXvYqyN0SRMfv2AlVGVdwicHhiVDb0vtU5ZcJEofms1R7zckQVY6CgR2xqdMoqm/Wyi9gssxzVwcZ3xJCx3qDnNk4U= X-Received: by 2002:ab0:2006:: with SMTP id v6mr12525449uak.22.1576949138967; Sat, 21 Dec 2019 09:25:38 -0800 (PST) MIME-Version: 1.0 References: <5dbc2dbc222ff778861ef08b4e0a68a49a7afeb1.1576896417.git.martin.varghese@nokia.com> In-Reply-To: <5dbc2dbc222ff778861ef08b4e0a68a49a7afeb1.1576896417.git.martin.varghese@nokia.com> From: Pravin Shelar Date: Sat, 21 Dec 2019 09:25:28 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH net-next v5 1/3] net: skb_mpls_push() modified to allow MPLS header push at start of packet. To: Martin Varghese Cc: Linux Kernel Network Developers , "David S. Miller" , scott.drennan@nokia.com, Jiri Benc , "Varghese, Martin (Nokia - IN/Bangalore)" Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, Dec 20, 2019 at 7:21 PM Martin Varghese wrote: > > From: Martin Varghese > > The existing skb_mpls_push() implementation always inserts mpls header > after the mac header. L2 VPN use cases requires MPLS header to be > inserted before the ethernet header as the ethernet packet gets tunnelled > inside MPLS header in those cases. > > Signed-off-by: Martin Varghese > --- > Changes in v2: > - Fixed comments section of skb_mpls_push(). > - Added skb_reset_mac_len() in skb_mpls_push(). The mac len changes > when MPLS header in inserted at the start of the packet. > > net/core/skbuff.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > Acked-by: Pravin B Shelar Thanks.