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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 304B6C433FE for ; Wed, 6 Oct 2021 14:38:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1598B61184 for ; Wed, 6 Oct 2021 14:38:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239063AbhJFOkH (ORCPT ); Wed, 6 Oct 2021 10:40:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39702 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239068AbhJFOkF (ORCPT ); Wed, 6 Oct 2021 10:40:05 -0400 Received: from mail-il1-x131.google.com (mail-il1-x131.google.com [IPv6:2607:f8b0:4864:20::131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 842B1C061753; Wed, 6 Oct 2021 07:38:13 -0700 (PDT) Received: by mail-il1-x131.google.com with SMTP id l13so3115625ilo.3; Wed, 06 Oct 2021 07:38:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=CSSBjioT811JzS1znIx4dYSP233jP9Xi4BIXpz1np+k=; b=Stl+xEwr/IUWbcuWcgW8epJPTDKsm4qcqX9O5xfmmSt9Nad9eM8dRdqRqREvpQ+Ltz WsoEb7msTF5mLMDAq1/ZhGQz5z27knVzAzGEyL6162x9fPqqLsnvIZEN095NAr9Sf0TC ADdh5f9Wk0hEIMYNf37ISSuytz1jkDpoH/cioZmpaZvDaTQGjkifZHfZ5UO7Grg5QUOG GVSGkomzcYxWGn0mp62L9vNijTUtUA36CqukKAOrv+YBWqNuuGU5SbDmSSzVbKm/9syV fz1CoNzpL22LCPj7kaeYg6ch//30gyeOhLkFlSs/JQMSjfN4lxjXuCtoR+YV65IW/Sim MFLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=CSSBjioT811JzS1znIx4dYSP233jP9Xi4BIXpz1np+k=; b=7W04i7dG0pMgI7gjC2LnW8LhjXiwDPrqZlUbi8oEf35VDpl0Zwn0uPta8Vz2ccytVm NduhowxFENI8RDzhl+s4FKEeKl2oc8ZahI4OPQi6i++bWPUWMKPfOzOOQCc2XRnqqpxH h7ix4Vyev9VeW27obom8lTk088v+KtKlXVjAwKnDOHHZ4LW19ZWfrimpDSO/JYdVEHvm roUkcYB2a+Qt1m0kLzbzJ8HNki+R5ws+PNWhv16Qxw2NiY7rGl71eNapHR6CN92s8ThW PbCnarhFh2QiAMW52TwQiFEHXfGdhnLJ7m0zXVktDQpp3hfCy08fBr0nkmLP7cRIEuoX IC7Q== X-Gm-Message-State: AOAM532jVk9zouCKamL3KtS8oiPdb/3VCie8O9Zct9OzYEHqq3bWO8bI cLwHfRtLkVYc4Vsh091sMfmVAGL59nA03Q== X-Google-Smtp-Source: ABdhPJy0FxhJ1bmrOEPLVWSjdMyhQQEGrgR7XTnsSdV3aFaDmPBQfRjLLfiwG4CkchJHSAGlwxy/Jw== X-Received: by 2002:a05:6e02:1c2d:: with SMTP id m13mr7357103ilh.170.1633531092889; Wed, 06 Oct 2021 07:38:12 -0700 (PDT) Received: from Davids-MacBook-Pro.local ([8.48.134.30]) by smtp.googlemail.com with ESMTPSA id t5sm1054005ilp.84.2021.10.06.07.38.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Oct 2021 07:38:12 -0700 (PDT) Subject: Re: [PATCH 04/11] selftests: net/fcnal: Use accept_dad=0 to avoid setup sleep To: Leonard Crestez , Jakub Kicinski , Shuah Khan , David Ahern Cc: "David S. Miller" , Ido Schimmel , Seth David Schoen , netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org References: <9cfeec9f336bf6f5fe06309526820e9bbbc87ea3.1633520807.git.cdleonard@gmail.com> From: David Ahern Message-ID: Date: Wed, 6 Oct 2021 08:38:11 -0600 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <9cfeec9f336bf6f5fe06309526820e9bbbc87ea3.1633520807.git.cdleonard@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/6/21 5:47 AM, Leonard Crestez wrote: > Duplicate Address Detection makes ipv6 addresses unavailable for a short > period after adding (average about 1 second). Adding sleep statements > avoid this but since all addresses in the test environment are > controlled from the same source we can just disable DAD for the entire > namespace. > > Unlike sprinkling nodad to all ipv6 address additions this also skips > DAD for link-local-addresses. > > Signed-off-by: Leonard Crestez > --- > tools/testing/selftests/net/fcnal-test.sh | 17 +++++++---------- > 1 file changed, 7 insertions(+), 10 deletions(-) > Reviewed-by: David Ahern