From owner-freebsd-net@freebsd.org Thu Jan 19 10:31:02 2017 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DEB72CB8773; Thu, 19 Jan 2017 10:31:02 +0000 (UTC) (envelope-from etnapierala@gmail.com) Received: from mail-wm0-x229.google.com (mail-wm0-x229.google.com [IPv6:2a00:1450:400c:c09::229]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 71F80152F; Thu, 19 Jan 2017 10:31:02 +0000 (UTC) (envelope-from etnapierala@gmail.com) Received: by mail-wm0-x229.google.com with SMTP id c206so70211005wme.0; Thu, 19 Jan 2017 02:31:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:mail-followup-to :references:mime-version:content-disposition:in-reply-to:user-agent; bh=Lyl5aHThLHdR/WMskKCCB6Bjo1h4OeytD+RJYnoIS3M=; b=C8cmwVPv8Z+Pxa+d9yfsszqDqXq1zzQx5KkxQEcymP0/hrc9UvfU51ukW75uTOm7uX md7voetmgLAgAji9txYxY8VDYgMbxh/2j9FDu8tyUjbBypBP2/bydqh872lOfjQow5cH nCSGqFQh30G2/IlSUFqOq6Z/932AUJvzJdAa/TXxKTSwjFrOZWyEeNx4JUy05njEjBZ5 34S+j3kXoLDv33890tnvOMGE/rRgt1uBBpNVhqs5nDp4dFUz49KmvUVmVUIYe7UoLVnJ Ce6LTsh5DJDSEAoqex1fBAOhQf6LCU1KNxXf+boyCu/zLXa6mKCJ8TTG21VpNymnyMdW Zvag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :mail-followup-to:references:mime-version:content-disposition :in-reply-to:user-agent; bh=Lyl5aHThLHdR/WMskKCCB6Bjo1h4OeytD+RJYnoIS3M=; b=aLpb0D+Vy2sgS0+hZ7SQUCTVt4mP5xMERiausgOF8tjovZREOYixX0x0SXgNmh6FDn 3LZ1OqkMSee0J545Xwn2kEuaQ/BOmcvvwEVDgqO77WrBBpYoVPYVP2UlUvvRhH12awct 1aDpiQPHv1yLzgWiJjV5uxsr3dZgN+ohdXs8GOUpDWjifjD9iIXd+jCJ75PI6DyPzKRE SXmrJWdkS7v+zzgsWnP2DjaUxcjQsCwrhdGfdblUpcVO+c+eETrHY/7V6jFngV1qoztE rviuNof9vJki2Qs1aJLZb0HrrV+BhqLzfHuej6fwRAmwj8zGOteiU7dkMasfC5Bc2/ce Kv6A== X-Gm-Message-State: AIkVDXJccjZVPECk9idBbRxkLCSIUxz8L0OVV9rg8leXh8fb/FR+R5Ebyf1N3oq/bwgDLg== X-Received: by 10.28.45.1 with SMTP id t1mr22920678wmt.53.1484821860918; Thu, 19 Jan 2017 02:31:00 -0800 (PST) Received: from brick (global-5-141.nat-2.net.cam.ac.uk. [131.111.5.141]) by smtp.gmail.com with ESMTPSA id 63sm52305245wmg.2.2017.01.19.02.30.59 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 19 Jan 2017 02:31:00 -0800 (PST) Sender: =?UTF-8?Q?Edward_Tomasz_Napiera=C5=82a?= Date: Thu, 19 Jan 2017 10:30:58 +0000 From: Edward Tomasz =?utf-8?Q?Napiera=C5=82a?= To: "Eugene M. Zheganin" Cc: freebsd-net@FreeBSD.org, freebsd-stable Subject: Re: decent 40G network adapters Message-ID: <20170119103058.GA30694@brick> Mail-Followup-To: "Eugene M. Zheganin" , freebsd-net@FreeBSD.org, freebsd-stable References: <587F39E3.1060608@norma.perm.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <587F39E3.1060608@norma.perm.ru> User-Agent: Mutt/1.7.2 (2016-11-26) X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Jan 2017 10:31:03 -0000 On 0118T1448, Eugene M. Zheganin wrote: > Hi. > > Could someone recommend a decent 40Gbit adapter that are proven to be > working under FreeBSD ? The intended purpose - iSCSI traffic, not much > pps, but rates definitely above 10G. I've tried Supermicro-manufactured > Intel XL710 ones (two boards, different servers - same sad story: > packets loss, server unresponsive, spikes), seems like they have a > problem in a driver (or firmware), and though Intel support states this > is because the Supermicro tampered with the adapter, I'm still > suspicious about ixl(4). I've also seen in the ML a guy reported the > exact same problem with ixl(4) as I have found. > > So, what would you say ? Chelsio ? I'd say Chelsio; it's very well supported, it's actively involved in FreeBSD development, and there's hardware-specific iSCSI offload for it (cxgbei).