From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S968265AbWLEPDg (ORCPT ); Tue, 5 Dec 2006 10:03:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S968262AbWLEPDg (ORCPT ); Tue, 5 Dec 2006 10:03:36 -0500 Received: from rrcs-24-153-217-226.sw.biz.rr.com ([24.153.217.226]:53592 "EHLO smtp.opengridcomputing.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S968260AbWLEPDf (ORCPT ); Tue, 5 Dec 2006 10:03:35 -0500 Subject: Re: [PATCH v2 04/13] Connection Manager From: Steve Wise To: Roland Dreier Cc: Evgeniy Polyakov , netdev@vger.kernel.org, openib-general@openib.org, linux-kernel@vger.kernel.org In-Reply-To: References: <20061202224917.27014.15424.stgit@dell3.ogc.int> <20061202224958.27014.65970.stgit@dell3.ogc.int> <20061204110825.GA26251@2ka.mipt.ru> <20061205050725.GA26033@2ka.mipt.ru> Content-Type: text/plain Date: Tue, 05 Dec 2006 09:03:35 -0600 Message-Id: <1165331015.16087.16.camel@stevo-desktop> Mime-Version: 1.0 X-Mailer: Evolution 2.4.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2006-12-04 at 21:13 -0800, Roland Dreier wrote: > > It is for iwarp/rdma from description. > > Yes, iWARP on top of 10G ethernet. > > > If it is 10ge, then why does it parse incomping packet headers and > > implements initial tcp state machine? > > To establish connections to run RDMA over, I guess. iWARP is RDMA > over TCP. > The driver uses messages exchanged to and from the HW via the Ethernet driver to setup TCP connections. No TCP processing is done in the host. The hardware does all the TCP processing. Steve.