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=-7.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 autolearn=ham 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 52992C10F14 for ; Thu, 3 Oct 2019 18:37:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2544620865 for ; Thu, 3 Oct 2019 18:37:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="LiDNR0sx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389445AbfJCSh1 (ORCPT ); Thu, 3 Oct 2019 14:37:27 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:33435 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2389444AbfJCSh1 (ORCPT ); Thu, 3 Oct 2019 14:37:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1570127846; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=aRF9kPah5DKTJt09B4SdbjbSrVQuRqyXTFnwgzzjJFY=; b=LiDNR0sxoCduKPKFRrxBwRCwZbi2HtxFGnhUBU4RJUsSg/s1yiSIvFs5DCNMqPC0m7anXw Ok7LxMFky4tiYmpMPSVuhQMGTLNo9a068i0XZuYHMn3DPHwKbPJ/WOyyg18+LMFgd1T5/D xdovQ6NK54WGmHRYCKvsV163yw0GMHI= Received: from mail-qk1-f198.google.com (mail-qk1-f198.google.com [209.85.222.198]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-136-PBSq7NopMTKXQoGaqJdbzg-1; Thu, 03 Oct 2019 14:37:24 -0400 Received: by mail-qk1-f198.google.com with SMTP id o133so3662957qke.4 for ; Thu, 03 Oct 2019 11:37:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:mime-version:content-transfer-encoding; bh=P65jf9IkuorBXo9fByas2+hnyAEOoVGAUKjEPY43/E4=; b=GRJPfq4b6S8Lf3uw1hJKymSsz3UvRZN14fGAg530XRdv/L02q1blAAsmoo3hkZbMwz PFUamjB772aN5FtKob9tR5lapYnckon9nD1we1qkcyLVfnNBErIIoTYEWrbLxnhhuqYK yIVWkZd6KnLzrOKi64qyPmsjMGCSgG9liIJ8RJK6GlyVugj79DykL1k0Dbipn48QgEgX vxTthPaOMhVgSTANk0UDFtNcRwYvcrFR7kW1BuiLqDTh2HFQhjwu91WBc2n1NuDKnAwa npNv1OJAhXifFQTbKEgBgJlIGqHVPRa9As0nZbPjmO7pHqym0xOO+iCN512lOUFSgjrV /Exw== X-Gm-Message-State: APjAAAU0GiO9QEeAs69yJNpXhWkNjyLbHo/O4Eh550XZH/Pz/tbHfzVa ojPWsW6lcWbrghiKrjyo9hGFsO0+nePzmZhBvlWhMozvTe71qDh+TIoN5l4Vp0DVleSW0nNwYOw GlaImc60PDrPuBXRWOYpEBQ== X-Received: by 2002:a0c:94fc:: with SMTP id k57mr9659915qvk.210.1570127844039; Thu, 03 Oct 2019 11:37:24 -0700 (PDT) X-Google-Smtp-Source: APXvYqwYjR9KPPW/bPt2tQRe+FL44DkGG0OglpSIYY1TYp3hh0I3MEwzA1UON8ry5cxrQne5nB96WQ== X-Received: by 2002:a0c:94fc:: with SMTP id k57mr9659859qvk.210.1570127843583; Thu, 03 Oct 2019 11:37:23 -0700 (PDT) Received: from rhel7lobe ([2600:6c64:4e80:f1:aa45:cafe:5682:368f]) by smtp.gmail.com with ESMTPSA id n4sm1686830qkc.61.2019.10.03.11.37.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 03 Oct 2019 11:37:23 -0700 (PDT) Message-ID: <7928c78bb3e7c7a37b6b75683233bad841c43d9b.camel@redhat.com> Subject: Re: [Open-FCoE] FICON target support From: Laurence Oberman To: Christian Svensson , Hannes Reinecke Cc: Bart Van Assche , linux-scsi@vger.kernel.org, fcoe-devel@open-fcoe.org Date: Thu, 03 Oct 2019 14:37:22 -0400 In-Reply-To: References: <5c5609d8-e4b4-3561-ece9-93746fd46206@acm.org> <69308786-81d8-a9df-2d7b-df37c3f93026@suse.de> <9612602b-29c0-04d7-b76e-5593d0936eba@suse.de> <17f0639d-bd44-c193-af29-df539be722fe@suse.de> X-Mailer: Evolution 3.28.5 (3.28.5-2.el7) Mime-Version: 1.0 X-MC-Unique: PBSq7NopMTKXQoGaqJdbzg-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On Thu, 2019-10-03 at 18:38 +0200, Christian Svensson wrote: > Hi, >=20 > An update if you're curious about this. I found that DE5-Net FPGA > cards are reasonably priced right now on eBay, so I started a project > to implement FICON target support. You can find more information on > github: https://github.com/bluecmd/fejkon >=20 > Essentially it's a 4x SFP+ port card for $300-$400 that I will export > as "fc0-3" netdev's using ARPHRD_FCFABRIC type. > This allows libpcap to capture raw FC directly on the netdev. The > devices will be fully TX/RX capable. >=20 > FICON and normal FCP will be implemented in userspace by reading / > writing packets straight to the netdev. > I assume this will be CPU intensive but for my purposes it should be > fine. Maybe it is a good solution for people that want a more modern > Fibre Channel analyzer as well. >=20 > Regards, > Christian Very interesting and thanks for sharing Regards Laurence