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=-16.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 10F0AC48BE5 for ; Wed, 23 Jun 2021 17:20:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E59E9611AD for ; Wed, 23 Jun 2021 17:19:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229755AbhFWRWM (ORCPT ); Wed, 23 Jun 2021 13:22:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:55248 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229726AbhFWRWM (ORCPT ); Wed, 23 Jun 2021 13:22:12 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4B18E611AC; Wed, 23 Jun 2021 17:19:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1624468794; bh=jKyYAR836m83Pum8UbxthFZqnbIkz8NbuPp5frmUkn0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=T45psABiJrEhVhCqb/ImjGcszfmX9w0eT/d7Q3FDPdnROLpNDzU1UkMmmWaRZy9zt Dnt1TbJrrblELZToRz0uD/hQsrJ6BE3gMWzEjIMzVqiCuwWTuWdh7R6COLdC/O/NGo 7hITBfKI54HEKuPawPDHOOxH4fmzoLRX8I94aQLU= Date: Wed, 23 Jun 2021 19:19:51 +0200 From: Greg KH To: Rocco Yue Cc: "David S . Miller" , Jakub Kicinski , Jonathan Corbet , Hideaki YOSHIFUJI , David Ahern , Matthias Brugger , Felix Fietkau , John Crispin , Sean Wang , Mark Lee , netdev@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, bpf@vger.kernel.org, wsd_upstream@mediatek.com, chao.song@mediatek.com, zhuoliang.zhang@mediatek.com, kuohong.wang@mediatek.com Subject: Re: [PATCH 1/4] net: if_arp: add ARPHRD_PUREIP type Message-ID: References: <20210623113452.5671-1-rocco.yue@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210623113452.5671-1-rocco.yue@mediatek.com> Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Wed, Jun 23, 2021 at 07:34:49PM +0800, Rocco Yue wrote: > This patch add the definition of ARPHRD_PUREIP which can for > example be used by mobile ccmni device as device type. > ARPHRD_PUREIP means that this device doesn't need kernel to > generate ipv6 link-local address in any addr_gen_mode. > > Signed-off-by: Rocco Yue > --- > include/uapi/linux/if_arp.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/include/uapi/linux/if_arp.h b/include/uapi/linux/if_arp.h > index c3cc5a9e5eaf..4463c9e9e8b4 100644 > --- a/include/uapi/linux/if_arp.h > +++ b/include/uapi/linux/if_arp.h > @@ -61,6 +61,7 @@ > #define ARPHRD_DDCMP 517 /* Digital's DDCMP protocol */ > #define ARPHRD_RAWHDLC 518 /* Raw HDLC */ > #define ARPHRD_RAWIP 519 /* Raw IP */ > +#define ARPHRD_PUREIP 520 /* Pure IP */ In looking at the patches, what differs "PUREIP" from "RAWIP"? It seems to be the same to me. If they are different, where is that documented? thanks, greg k-h