From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sanjeev Jorapur Subject: Re: [PATCH 3/3] NetXen: 64-bit memory fixes, driver cleanup Date: Sat, 18 Nov 2006 15:58:09 +0530 Message-ID: <1163845689.4822.6.camel@nbsanjeev> References: <200611171536.kAHFa3os005563@dut39.unminc.com> <20061117084049.555e14d0@localhost.localdomain> Reply-To: sanjeev@netxen.com Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: "Linsys Contractor Amit S. Kale" , netdev , brazilnut , jeff@garzik.org, netxenproj@linsyssoft.com, rob@netxen.com, wendyx Return-path: Received: from 66-126-254-34.unm.net ([66.126.254.34]:62801 "EHLO nxmail.netxen.com") by vger.kernel.org with ESMTP id S1754322AbWKRK3y (ORCPT ); Sat, 18 Nov 2006 05:29:54 -0500 To: Stephen Hemminger In-Reply-To: <20061117084049.555e14d0@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Fri, 2006-11-17 at 08:40 -0800, Stephen Hemminger wrote: > On Fri, 17 Nov 2006 07:36:03 -0800 > "Linsys Contractor Amit S. Kale" wrote: > > > NetXen: 1G/10G Ethernet Driver updates > > - These fixes take care of driver on machines with >4G memory > > - Driver cleanup > > > > Signed-off-by: Amit S. Kale > > > > netxen_nic.h | 41 ++++++---- > > netxen_nic_ethtool.c | 19 ++-- > > netxen_nic_hw.c | 10 +- > > netxen_nic_hw.h | 4 > > netxen_nic_init.c | 51 +++++++++++- > > netxen_nic_isr.c | 3 > > netxen_nic_main.c | 204 +++++++++++++++++++++++++++++++++++++++++++++++--- > > netxen_nic_phan_reg.h | 10 +- > > 8 files changed, 293 insertions(+), 49 deletions(-) > > > > > If you can't DMA from high memory, then don't set NETIF_F_HIGHDMA, why do > you need explicit bounce buffers. If you can't DMA from unaligned address, > the write a small routine to copy the skb to a new one. The hardware supports DMA into 35 bit addresses. The intent is to enable DMA into addresses upto 32G. Sanjeev.