From owner-svn-src-head@freebsd.org Sun Dec 27 22:09:01 2015 Return-Path: Delivered-To: svn-src-head@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 02B70A52CB0; Sun, 27 Dec 2015 22:09:01 +0000 (UTC) (envelope-from etnapierala@gmail.com) Received: from mail-wm0-x234.google.com (mail-wm0-x234.google.com [IPv6:2a00:1450:400c:c09::234]) (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 B0CC81D6C; Sun, 27 Dec 2015 22:09:00 +0000 (UTC) (envelope-from etnapierala@gmail.com) Received: by mail-wm0-x234.google.com with SMTP id p187so249305296wmp.0; Sun, 27 Dec 2015 14:09:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:date:from:to:cc:subject:message-id:mail-followup-to :references:mime-version:content-type:content-disposition :in-reply-to:user-agent; bh=cu6RhYJF5L47ZKYKEUveoslUmEr1Sia4GFxzKHc/1XE=; b=PHD+AZmc+9xfcRFBNYGAD604f7xyftFmvnvB273nPdr8JSk2Gf0ArG18l1wRAO2mGc dmnUGqF4EJZOSBGxqqmffsgqzmP5paVvPOohs9JREt15tQGMmbdL5AZM9L03ryHN6/7A dsVUipBMly8xSeY66MjU6IlcZ8qd4p8TLULgGOYlhRH8fnd0M8TNgvSijfJPfY0M3Bfy GCwtFNUCP0CGX6sbKzz5L5AqleNdCwiKWu2yMD5MMcaiB0qpukCDBv017JRuCKYu1JBE ElVPPjhlgHVJJSVzOFUITISH0DzHtfkV+Nqi4dSxsLi0v6ktDEfkkBkWDDBjvgONsHNG xKZg== X-Received: by 10.194.205.134 with SMTP id lg6mr52960922wjc.156.1451254138158; Sun, 27 Dec 2015 14:08:58 -0800 (PST) Received: from brick.home (adee66.neoplus.adsl.tpnet.pl. [79.184.82.66]) by smtp.gmail.com with ESMTPSA id l184sm45998481wmf.6.2015.12.27.14.08.56 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 27 Dec 2015 14:08:57 -0800 (PST) Sender: =?UTF-8?Q?Edward_Tomasz_Napiera=C5=82a?= Date: Sun, 27 Dec 2015 23:08:53 +0100 From: Edward Tomasz =?utf-8?Q?Napiera=C5=82a?= To: Navdeep Parhar Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r292740 - in head/sys: dev/cxgbe/cxgbei modules/cxgbe modules/cxgbe/cxgbei Message-ID: <20151227220853.GA1364@brick.home> Mail-Followup-To: Navdeep Parhar , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org References: <201512260605.tBQ65LXL002774@repo.freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201512260605.tBQ65LXL002774@repo.freebsd.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 27 Dec 2015 22:09:01 -0000 On 1226T0605, Navdeep Parhar wrote: > Author: np > Date: Sat Dec 26 06:05:21 2015 > New Revision: 292740 > URL: https://svnweb.freebsd.org/changeset/base/292740 > > Log: > cxgbei: Hardware accelerated iSCSI target and initiator for TOE capable > cards supported by cxgbe(4). > > On the host side this driver interfaces with the storage stack via the > ICL (iSCSI Common Layer) in the kernel. On the wire the traffic is > standard iSCSI (SCSI over TCP as per RFC 3720/7143 etc.) that > interoperates with all other standards compliant implementations. The > driver is layered on top of the TOE driver (t4_tom) and promotes > connections being handled by t4_tom to iSCSI ULP (Upper Layer Protocol) > mode. Hardware assistance in this mode includes: > > - Full TCP processing. > - iSCSI PDU identification and recovery within the TCP stream. > - Header and/or data digest insertion (tx) and verification (rx). > - Zero copy (both tx and rx). > > Man page will follow in a separate commit in a couple of weeks. Thank you! :-)