Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932478AbWACUzK (ORCPT ); Tue, 3 Jan 2006 15:55:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932484AbWACUzK (ORCPT ); Tue, 3 Jan 2006 15:55:10 -0500 Received: from mx.pathscale.com ([64.160.42.68]:59330 "EHLO mx.pathscale.com") by vger.kernel.org with ESMTP id S932478AbWACUzJ (ORCPT ); Tue, 3 Jan 2006 15:55:09 -0500 Subject: Re: [PATCH 0 of 20] [RFC] ipath - PathScale InfiniPath driver From: "Bryan O'Sullivan" To: Greg KH Cc: linux-kernel@vger.kernel.org, openib-general@openib.org In-Reply-To: <20060103172732.GA9170@kroah.com> References: <20051230080002.GA7438@kroah.com> <1135984304.13318.50.camel@serpentine.pathscale.com> <20051231001051.GB20314@kroah.com> <1135993250.13318.94.camel@serpentine.pathscale.com> <20060103172732.GA9170@kroah.com> Content-Type: text/plain Date: Tue, 03 Jan 2006 12:54:50 -0800 Message-Id: <1136321691.10862.61.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 870 Lines: 23 On Tue, 2006-01-03 at 09:27 -0800, Greg KH wrote: > Idealy, nothing should be new ioctls. But in the end, it all depends on > exactly what you are trying to do with each different one. Fair enough. > I really don't know what the subnet management stuff involves, sorry. > But doesn't the open-ib layer handle that all for you already? It does when our OpenIB driver is being used. But our lower level driver is independent of OpenIB (and is often used without the infiniband stuff even configured into the kernel), and needs to provide some way for a userspace subnet management agent to send and receive packets.