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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 B087AC3A5A1 for ; Thu, 22 Aug 2019 17:05:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6EE4721743 for ; Thu, 22 Aug 2019 17:05:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=golem.network header.i=@golem.network header.b="UYlze6NN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388119AbfHVRFR (ORCPT ); Thu, 22 Aug 2019 13:05:17 -0400 Received: from mail-lj1-f194.google.com ([209.85.208.194]:33744 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388096AbfHVRFR (ORCPT ); Thu, 22 Aug 2019 13:05:17 -0400 Received: by mail-lj1-f194.google.com with SMTP id z17so6289603ljz.0 for ; Thu, 22 Aug 2019 10:05:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=golem.network; s=google; h=from:subject:to:cc:references:openpgp:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=gSVwOFaYDKXJEHRsv6eb1T9GQ8YlU5zm3GLga3uFhiA=; b=UYlze6NNOjonytJYR3NPS52tuqhFfOmOu50EHQLwNV8DPfRp72nZ4nsIBA8E5pr3RK Iu/63Itvbo4dnQJa7cg4PupitnBSrK8T/htvxOwyO0N3ZqTpDWD8ZCA7JTyPxnTIinhs p7nQmijwXmM0wsdf50aETdAhMOvtph0/jXHaw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:subject:to:cc:references:openpgp:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-transfer-encoding:content-language; bh=gSVwOFaYDKXJEHRsv6eb1T9GQ8YlU5zm3GLga3uFhiA=; b=FuqdWbZZytCPk8YQADk5JPDQlP+YIjT5pJ2Thz/M3zoS55mgy80LzanAtmy8ZBU8KO 0q2wIwB17e3nFFtsiYTuNiXr6IBimYq1qwnWPd7k1oHBzdMEZ1xRX7ePwDdKCN2oW8Zh 9AuIWoFKXYNiR4rK10rvb9OLJV3XIGHTP5VD1SqwqHYL0NlI/aCfVxj8PlyqXLfHMt8P 8NuQoA0BeEr0heo6cpfoMAcFqUVnLc47ufQ3QOrHU0p8E+qv8jFvRkkwN+u2CPiDsGUx mvjd4ibaOUQQWgDlvjUK/RI3qttJhFhRD4TEw5zrTzMwGA46I/hq/PdTOyzIkKZmLvdB gjtg== X-Gm-Message-State: APjAAAWnwbFjrl+V/qo8H6o3rX8ElxPMxeZG5rI18zkIhkWeVRgGCeb5 F/bfghLp6BBUrPHfDMi3LpMKhIxOaADr+w== X-Google-Smtp-Source: APXvYqwrrHg1TaDcL0P3kB1k9RUilVClYkv1OFFfTA+pLgiP4leJ4o3VyV3bGui8xwsemxBwR5gK+g== X-Received: by 2002:a2e:98c9:: with SMTP id s9mr262393ljj.176.1566493513764; Thu, 22 Aug 2019 10:05:13 -0700 (PDT) Received: from ?IPv6:2a02:a317:223c:8100:514a:8b7b:6531:f981? ([2a02:a317:223c:8100:514a:8b7b:6531:f981]) by smtp.gmail.com with ESMTPSA id g9sm16240lje.90.2019.08.22.10.05.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 22 Aug 2019 10:05:13 -0700 (PDT) From: Marcin Mielniczuk Subject: Re: Setting up siw devices To: Leon Romanovsky , Krishnamraju Eraparaju Cc: linux-rdma@vger.kernel.org References: <421f6635-e69c-623d-746a-df541c27f428@golem.network> <20190822154323.GA19899@chelsio.com> <20190822155228.GH29433@mtr-leonro.mtl.com> Openpgp: preference=signencrypt Autocrypt: addr=marcin@golem.network; keydata= mQINBFf4vZ4BEACsConGOPaPh407slAZAm9IXLNuCsZ4vihcYYLwVw6o4XHaNrYyurwRV4d7 PkKLjRoqGm4Iqy8yL9q9QSAuYxoddTFSlKnyHvmY36nJyCot2nuXBfJ5lcjgf8gJLHCRPFWE j3uinwtShLox8ThI/ybI6yWo23ujYc48FatvK0PXITuygiB1hzZd6eMf1uqs4hpHwxAbqol0 wcXgc95/zuQ0r7oR4Uc4UYBFU5m8lF1VmrRHL311SUby1SKMQUN5jHyRbDscFZu5LI5Ew5qa KS2qYVr4kC6ThwJgtYB9gRhlvWRoHfdwJe9il+5Dol8W8MGIGgl60wR2pzon+yuEYQK8JGwQ 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m4wiWDVe6MrkIU8ClLnD48gCIWbGAbO4so5WkjfdA/7q6Wu1dhW9hw6ZUrGVUQLKKOidm86m kQWodVJ/Hyq8/E1aPwKbs8XQ1CUKuaBtq0BNgbh6uzg0NAKJbQFW0h8Dx1pOF/kf52PYvx6s XWeYBmeQalEWNg17+DGd4R5U+3shoyLrPJx1y0zI Message-ID: Date: Thu, 22 Aug 2019 19:05:12 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190822155228.GH29433@mtr-leonro.mtl.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Thanks a lot, this did the trick. I think this is worth documenting somewhere that this step is needed. I'll make a PR, would README.md in the rdma-core repo be a good place? Does have any significance? I did: =C2=A0=C2=A0=C2=A0=C2=A0 sudo rdma link add siw0 type siw netdev enpXsYYf= Z but the resulting device is called iwpXsYYfZ. I couldn't find a trace of `siw0` anywhere. On 22.08.2019 17:52, Leon Romanovsky wrote: > On Thu, Aug 22, 2019 at 09:13:25PM +0530, Krishnamraju Eraparaju wrote:= >> On Thursday, August 08/22/19, 2019 at 17:08:49 +0200, Marcin Mielniczu= k wrote: >>> Hi, >>> >>> I'm trying to test the recently merged siw module. >>> I'm running kernel 5.3-rc5 (taken from the Ubuntu mainline-kernel >>> repository [1]) on Ubuntu 18.04 (bionic). >>> I also manually installed rdma-core 25.0 from tarball, using the >>> included Debian packaging. I installed all the packages but ibacm. >>> >>> After booting the new kernel I manually loaded the kernel module by >>> >>> =C2=A0=C2=A0=C2=A0=C2=A0 modprobe siw >>> =C2=A0=C2=A0=C2=A0=C2=A0 modprobe rdma_ucm >>> >>> Then ibv_devinfo shows: "No IB devices found". >>> dmesg only shows: >>> =C2=A0=C2=A0=C2=A0=C2=A0 [=C2=A0=C2=A0 29.856751] SoftiWARP attached >>> >>> According to this tutorial, [2] it should be enough to just load the = siw >>> module. (unlike RXE, where one needs to use rxe_cfg to set up the >>> interface) >>> Is this a bug in siw or just a configuration issue on my side? >> Have you done "rdma link"? >> >> rdma link add type siw netdev >> >> http://man7.org/linux/man-pages/man8/rdma-link.8.html > BTW, the same goes for RXE and rxe_cfg is discouraged. > > Thanks > >>> Thanks, >>> Marcin >>> >>> [1] https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.3-rc5/ >>> [2] https://budevg.github.io/posts/tutorials/2017/04/29/rdma-101-1.ht= ml >>> >>