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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3C959C4332F for ; Thu, 15 Dec 2022 04:49:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229704AbiLOEs7 (ORCPT ); Wed, 14 Dec 2022 23:48:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41682 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229626AbiLOEs5 (ORCPT ); Wed, 14 Dec 2022 23:48:57 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C11137F8F; Wed, 14 Dec 2022 20:48:55 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 486B4B81A26; Thu, 15 Dec 2022 04:48:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 362ACC433EF; Thu, 15 Dec 2022 04:48:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1671079732; bh=n5a5d/H8ulIQkozqDLE2F1ns4k/z46ZF4QvyLXMqdDQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=XK1xQmL18+qWIY+/FcJKpt+gq2m/riva7HjLNyOcyNyeXv8J3PmrpIfbQql6W968p TbEv8eTFDkBQRkXGlqEF6A4CStSWrNVeaXsI1bqaq7K88SMEMB2+QF8ZFe0JZLMPr1 aJqOKv1+akB+vk2+NA35Ww2bVX7Uf3aQLb3zFk1mxsl2mYtGF495YK01glOYsA9afM fwMT4u7B3n83W8ym/zT5rvUWGdFC7o/g64TtNZG/8jfe5XstNUJncsdcBkcM7oKXXr 6LXvE7WXh7cexR3JHmpArKWcYNxCs2Pu9oeOZdb+yVDnHWpWsByBG+sSv1Ujyy9aba 8L6K7++v6ji8Q== Date: Wed, 14 Dec 2022 20:48:51 -0800 From: Jakub Kicinski To: David Decotigny Cc: "David S. Miller" , Eric Dumazet , Paolo Abeni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Nikolay Aleksandrov , David Ahern , "Denis V. Lunev" , Daniel Borkmann , Chen Zhongjin , David Decotigny , Yuwei Wang , Alexander Mikhalitsyn , Thomas Zeitlhofer Subject: Re: [PATCH v1 1/1] net: neigh: persist proxy config across link flaps Message-ID: <20221214204851.2102ba31@kernel.org> In-Reply-To: <20221213073801.361500-1-decot+git@google.com> References: <20221213073801.361500-1-decot+git@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Mon, 12 Dec 2022 23:38:01 -0800 David Decotigny wrote: > From: David Decotigny > > Without this patch, the 'ip neigh add proxy' config is lost when the > cable or peer disappear, ie. when the link goes down while staying > admin up. When the link comes back, the config is never recovered. > > This patch makes sure that such an nd proxy config survives a switch > or cable issue. Hm, how does this square with the spirit of 859bd2ef1fc11 ? Would be great to hear from David, IDK if he's around or off until next year.