From owner-freebsd-infiniband@freebsd.org Wed Feb 12 09:26:51 2020 Return-Path: Delivered-To: freebsd-infiniband@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 7BF4C23298C for ; Wed, 12 Feb 2020 09:26:51 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [88.99.82.50]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 48HZ623sG3z47xc for ; Wed, 12 Feb 2020 09:26:50 +0000 (UTC) (envelope-from hps@selasky.org) Received: from hps2020.home.selasky.org (unknown [62.141.129.235]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 11B6E2600E0; Wed, 12 Feb 2020 10:26:42 +0100 (CET) Subject: Re: DHCP server for freebsd on IPoIB To: "Kumar, Anmol" , "freebsd-infiniband@freebsd.org" References: From: Hans Petter Selasky Message-ID: Date: Wed, 12 Feb 2020 10:26:26 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 48HZ623sG3z47xc X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 88.99.82.50 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [-5.42 / 15.00]; ARC_NA(0.00)[]; TO_DN_EQ_ADDR_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+a:mail.turbocat.net:c]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[selasky.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; IP_SCORE(-3.12)[ip: (-9.31), ipnet: 88.99.0.0/16(-4.71), asn: 24940(-1.56), country: DE(-0.02)]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:88.99.0.0/16, country:DE]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-infiniband@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Infiniband on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Feb 2020 09:26:51 -0000 On 2020-02-11 22:46, Kumar, Anmol wrote: > Hi, > I am trying to make dhcp 4.4.2b1 work on Mellanox Infiniband for IPoIB. > > 1. Seems like , bpf does not have support for IPoIB as family passed in zero so IPoIB driver returns error. > 2. I tried using sockets for DHCP server and send is successful (returning exact number of bytes in packet) but I do not see packet in IPoIB driver. > 3. Able to receive DHCP broadcast request to DHCP server code (user space) > 4. Ping is working fine (statically assign IP address) and seems like issue with DHCP broadcast replies in DHCPOFFER (same code works with Linux) > > Any help will be appreciated . > Hi Kumar, IPoIB is an IP carrier. Doesn't dhcp require an ethernet carrier for the reception of frames via BPF to work? --HPS