From owner-freebsd-net@freebsd.org Wed May 30 15:54:10 2018 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7C3A8F7903E for ; Wed, 30 May 2018 15:54:10 +0000 (UTC) (envelope-from kevin.bowling@kev009.com) Received: from mail-io0-x232.google.com (mail-io0-x232.google.com [IPv6:2607:f8b0:4001:c06::232]) (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 089836AEA2 for ; Wed, 30 May 2018 15:54:10 +0000 (UTC) (envelope-from kevin.bowling@kev009.com) Received: by mail-io0-x232.google.com with SMTP id g14-v6so22215129ioc.7 for ; Wed, 30 May 2018 08:54:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kev009.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=n4rn3pt0aRNjZ7TneafiR135w4OnkldyDvBcLLalj/c=; b=hvLgBSAphSXFrYSlqVDq+U28OMP41vWTT2D5vLa5KX+yF98MSjG7hkLeWMZMMI31Pv WecZHStBkdZe1TfLzicXtKikg9fy3MKJQX2RTA17PpHROTP6nr4SXUeZFRy4R29QSrUX vXVv15Fob3vJAJx9W75tv5THKX5ywIKpwahEs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=n4rn3pt0aRNjZ7TneafiR135w4OnkldyDvBcLLalj/c=; b=FcBmLo/X73SVrm985vBPhthWB4v5vdMHa58hWvafPh7TMrnofM5RdCHb7fOc6zBvR3 Wp986Fic+JV00VM8GWjclbLI/5saXxn3vo9TL9PHqE+B7AlTG2y0N46tBY5U/F8zJrAg FxZHJeW1jH17YlerwnB8/N1mWS0w1RnOHZbzuy+Ti8ykVsng2uODJbjCA3JHpIeJeNiF H1WYoXfTbKnCZdOzGiB7UtGjxIYWdnyNY6RNdoKrjxnuzLMDsY/U1lsgVsQ0j8ziiwHL q46fYmi4ZVY695wUgDKDnWeSk1KxM7GDltQiKBcDh+GS2jUj9lDZD/72FCKvpOsshhd1 AcNA== X-Gm-Message-State: APt69E3V/v4PRjuvt2c+ATlcZf9vOeLl1LJ/EfMpdrUB1HEJ3q6sYt4v 7VRGRUYHk1ARF+kEhBns3Ga9rxOAxkHyrHFRI6jdxA== X-Google-Smtp-Source: ADUXVKLO732mDHAva/T62i5UdgQRXn9TjjDcnZ1WGY5FZLk10suxbIQ19czmRlR6PU036FsfQOzoWlHYfwZstCGLZ6U= X-Received: by 2002:a6b:8448:: with SMTP id g69-v6mr2972969iod.251.1527695649283; Wed, 30 May 2018 08:54:09 -0700 (PDT) MIME-Version: 1.0 References: <4bc71104-349d-10b6-c7a4-0202e124ff98@freebsd.org> In-Reply-To: From: Kevin Bowling Date: Wed, 30 May 2018 08:53:58 -0700 Message-ID: Subject: Re: Testing VF/PF code To: Harry Schmalzbauer Cc: Ryan Stone , Sean Bruno , freebsd-net Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.26 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 May 2018 15:54:10 -0000 Harry, I wasn=E2=80=99t aware of anyone desiring vf support for igb but I=E2=80=99= ll take a look at it for you if you can test -current with patches when I=E2=80=99m ready.= My motive is more to validate and refine the iflib functionality and this is a good exercise. On Wed, May 30, 2018 at 8:20 AM Harry Schmalzbauer wrote: > Am 30.05.2018 um 16:45 schrieb Ryan Stone: > > On Tue, May 29, 2018 at 12:58 PM Sean Bruno wrote: > >> Does anyone have a process for testing the VF drivers (ixgbe igb, etc) > >> in FreeBSD without actually firing up linux to instantiate a VM or usi= ng > >> EC2? > > We have native support for creating VFs for ixl and ixgbe (and cxgbe). > > For igb you're out of luck (but SR-IOV on igb is kind of a waste of > > time anyway) > > I'd like to note that I'm strongly missing SR-IOV for if_igb(4) and I > don't consider it as a waste of time, speaking of the time needed for > the setup =E2=80=93 not the time to make the code happen; that's nothing = I can > achive (not even estimate) so I won't try to judge about the sense of > that time relation... > > 82576 is a wonderful piece of hardware (mostly true for i350 also) and > I'm missing the ability to use VFs for jails and bhyve(8) likewise with > these NICs. > There are still many appliances that don't need 10GE rates and could > easily cope with FastEthernet rates. For such appliances, > security/design considerations have much more weight than throughput, > which VFs would greatly support implementation simplicity/consistency. > So igbv(4) is on top of my christmas wishlist ;-) > Two or three of the 2-port cards and a LACP switch-stack (GbE) make a > nice platform for a dozend VMs/jails =E2=80=93 affordable by means of fin= ancial > and electrical power budget likewise. > > No tech aspects/justification here, just my experience based opinion. > > Thanks, > > -harry > > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >