From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2E932D507 for ; Mon, 24 Jul 2023 15:48:24 +0000 (UTC) Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D198EE4 for ; Mon, 24 Jul 2023 08:48:23 -0700 (PDT) Received: by mail-pl1-x62f.google.com with SMTP id d9443c01a7336-1bb893e6365so9863615ad.2 for ; Mon, 24 Jul 2023 08:48:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20221208.gappssmtp.com; s=20221208; t=1690213703; x=1690818503; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=l4RLUJOS8Sa0h9IJ4JbG/o9HQYV0AR90HmE0scb6NFA=; b=VVqWzVB8FOLiNHljBeWdf0YNZbvX8uU2JCZafxPyCP9NUGVcr7vrwSIZ4JLrUiAOND 24tY/mmgZKZAhyNYp7tMjBHT19WNitjGHrNuiks+2LkoCgf8iiIklZ9XzkCGr75j8msc PHqHkm9S7T2JYKEdFXkJw2HilctlzYgF2vmSHIFGBU3/QxOfHaVCe5z0su0ZmJbUp0sx jTjbneMuPpIAcM9GalBNXqB13tOdZ91MMT/ZnHsWQw9J/aPinFoHl56mBJZHEDwj1yZa VbRLSvLqwSRP6zvZtMO4gAzyEB1zoJf/O2+lpEnVBuRxrFygl8jRM3f8+7KWcWr86Tv6 lXmQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690213703; x=1690818503; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=l4RLUJOS8Sa0h9IJ4JbG/o9HQYV0AR90HmE0scb6NFA=; b=UMG4OHV3pFAu7kRJZLj9R04lQynWGfKogl5AnZFonWubmgVvaxNC1LNeW3Au29pFn8 5teUg2K60lmcScyJXDO1vjjAxiYxyDfj++1dWZvU8Ecxt8gSrx3L07GdDJIM54CNvHfZ 6YfjgvhY7DNbjicp1yocv3iF4TCFoRAAohlDxBUN+ufDuI8Di5NF+SJiPI84Ki5HSwsE osLuakCSuTi6kFoMZ/6+L2RiFvAw1kOXFuUfbn3J5ktyYmiKdi2nGBqUxRMnEGdYXST3 moLCyYgOEV9BE8Y7MZZC4D20mNa9eSqfSa6RhiZz2fybJ4uLW87RJsdwIbvMv3QGFKNX bY4g== X-Gm-Message-State: ABy/qLZpxhpaxLX5a570lco2wxYBNkOejyahN4j43ph392yK9C9xqz8q HkW4Ii/+WGOxo9uudKPUGyrQ6A== X-Google-Smtp-Source: APBJJlHTsyXE6HRH7BJ2KIpXDy1/7Dft6wy/RTAVHZGWbz+Tgnl+nMsrRkHT+NEhNMaMr+4XtJXg0Q== X-Received: by 2002:a17:902:7c8a:b0:1b8:3cb8:7926 with SMTP id y10-20020a1709027c8a00b001b83cb87926mr9069063pll.23.1690213703320; Mon, 24 Jul 2023 08:48:23 -0700 (PDT) Received: from hermes.local (204-195-127-207.wavecable.com. [204.195.127.207]) by smtp.gmail.com with ESMTPSA id s10-20020a170902ea0a00b001b53d3d8f3dsm9055695plg.299.2023.07.24.08.48.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 08:48:23 -0700 (PDT) Date: Mon, 24 Jul 2023 08:48:20 -0700 From: Stephen Hemminger To: Hangbin Liu Cc: Ido Schimmel , David Ahern , netdev@vger.kernel.org, "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Thomas Haller Subject: Re: [PATCH net-next] ipv4/fib: send RTM_DELROUTE notify when flush fib Message-ID: <20230724084820.4aa133cc@hermes.local> In-Reply-To: References: <20230718080044.2738833-1-liuhangbin@gmail.com> <20230718085814.4301b9dd@hermes.local> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On Mon, 24 Jul 2023 16:56:37 +0800 Hangbin Liu wrote: > The NetworkManager keeps a cache of the routes. Missing/Wrong events mean that > the cache becomes inconsistent. The IPv4 will not send src route delete info > if it's bond to other device. While IPv6 only modify the src route instead of > delete it, and also no notify. So NetworkManager developers complained and > hope to have a consistent and clear notification about route modify/delete. Read FRR they get it right. The routing daemons have to track kernel, and the semantics have been worked out for years.