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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 B2868C282CC for ; Fri, 8 Feb 2019 17:50:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7E0AC20863 for ; Fri, 8 Feb 2019 17:50:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fqMrwm35" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728099AbfBHRuY (ORCPT ); Fri, 8 Feb 2019 12:50:24 -0500 Received: from mail-pf1-f196.google.com ([209.85.210.196]:40857 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727999AbfBHRuX (ORCPT ); Fri, 8 Feb 2019 12:50:23 -0500 Received: by mail-pf1-f196.google.com with SMTP id i12so1998554pfo.7 for ; Fri, 08 Feb 2019 09:50:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=6s3SqB2RYpk3DZeHAtBR8XNDaoi7DJFW5V0dllf8qgA=; b=fqMrwm35psakf5z08FCwLc1o4yZwZMRQpqMn1bPJlQyKWgZfvpYT0DymQhNhQcS2Aw ouFCtWACDKe/Z3HqS/UmGByvvQghx5wANEdM6zJQIChP7SiIOVmkOy590kCYTnn954+A gQpVZgS8nABGGZxO0hHsBn+9aXzAouPrskPKIKNUU0zy5NzsYz02mE+npFc0SguQkCiN iqtEA+lTiFgnwwPhSLJOE4mYtSFpIrSbw81Pll3zWizaMW1cI8mCbrmfUcL9vEg2QnMM 4Y5J/uU1sxa+AQ7ejaBuePl8GeV+/iovY9LWHRMlVcXL1PHSqhdTfnSRZ9RJn9W7iRAP lzgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=6s3SqB2RYpk3DZeHAtBR8XNDaoi7DJFW5V0dllf8qgA=; b=TQG1k2Hmel1M/6pfcN3h5x5ILy7+PG1p7P4UNNIOx7l9aexAeG/7K5ug71DPlsCDfe RKRFTqRu20BwD/9fqFX7wV9Fc9WxhTk63273SfBzvBN7oYYHTR8xPMsMFJQQdg2Cax51 oJEYB/3ze5wPGjGRcyZPKi6ZN28W0B8/KuYtlMt/5Y1BK02wA4ew0mpkirD0tcK7hE0r 4YKRUbjVPMB2FpaEl2ImSs1/SS+FQbv8ybFtOeDjQYng3AOoSJqSO9vhDqv4F0WKFFmK 2ZLgzwe3rh5E2OThoiCbYWF7Qt3ira5scjrNmGnx38udfkz1Wh22FjdL5kn+tawl9+3v z5Hg== X-Gm-Message-State: AHQUAuZKcr7pd6wrko2QtREtquK8DZYXIfPwR0bzUWNzGoyc+QjFtTJe I4DvZEllQ8hB5PKdIczmeXM= X-Google-Smtp-Source: AHgI3IYRg0VCAEcOUTcTuw6cvGHBowWXmqTaaYPnZH/ggpO3xwaibsP4CfEIrD2PlZxfP0m8EsvEJg== X-Received: by 2002:a63:2054:: with SMTP id r20mr21181810pgm.328.1549648222636; Fri, 08 Feb 2019 09:50:22 -0800 (PST) Received: from [10.40.10.131] (fw.cumulusnetworks.com. [216.129.126.126]) by smtp.googlemail.com with ESMTPSA id 15sm4518180pfr.55.2019.02.08.09.50.20 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 08 Feb 2019 09:50:21 -0800 (PST) Subject: Re: [iproute PATCH] ip-link: Fix listing of alias interfaces To: Michal Kubecek , netdev@vger.kernel.org Cc: Phil Sutter , Stephen Hemminger , Roopa Prabhu References: <20190207130527.9439-1-phil@nwl.cc> <20190207162436.4452f7ad@hermes.lan> <20190208104057.GE26388@orbyte.nwl.cc> <20190208120903.GC7035@unicorn.suse.cz> From: David Ahern Message-ID: <5199122e-2ceb-6dd3-d0e7-b008f938eedc@gmail.com> Date: Fri, 8 Feb 2019 09:50:19 -0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20190208120903.GC7035@unicorn.suse.cz> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 2/8/19 4:09 AM, Michal Kubecek wrote: > Not only that, other ip link subcommands also use ioctl for interface > lookup so that e.g. "ip link del dummy1:x" deletes dummy1 without any > complaint. > > But as I mentioned earlier in http://patchwork.ozlabs.org/patch/1037934/ > I'm not sure this behaviour is really desirable. I sent a patch some time ago to convert ll_name_to_index to use an netlink message first and only fallback to if_nametoindex if it fails. That should fix the problem you mentioned