From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 2/4] ethoc: fix buffer address mapping Date: Wed, 07 Oct 2009 03:42:09 -0700 (PDT) Message-ID: <20091007.034209.40132481.davem@davemloft.net> References: <1254735200-2718-1-git-send-email-thomas@wytron.com.tw> <1254735200-2718-2-git-send-email-thomas@wytron.com.tw> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: thomas@wytron.com.tw Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:45421 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758831AbZJGKmO (ORCPT ); Wed, 7 Oct 2009 06:42:14 -0400 In-Reply-To: <1254735200-2718-2-git-send-email-thomas@wytron.com.tw> Sender: netdev-owner@vger.kernel.org List-ID: From: Thomas Chou Date: Mon, 5 Oct 2009 17:33:18 +0800 > The pointer address in buffer descriptors is physical address. The > pointer that processor used to access packet is virtual address. > > Though the higher bits of pointer address used by the MAC may be > truncated to zero in special case, it is not always true in larger > designs. > > Signed-off-by: Thomas Chou Applied.