From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from oss.sgi.com (localhost [127.0.0.1]) by oss.sgi.com (8.12.3/8.12.3) with ESMTP id g5CNZhnC018210 for ; Wed, 12 Jun 2002 16:35:43 -0700 Received: (from majordomo@localhost) by oss.sgi.com (8.12.3/8.12.3/Submit) id g5CNZhG3018209 for linux-mips-outgoing; Wed, 12 Jun 2002 16:35:43 -0700 X-Authentication-Warning: oss.sgi.com: majordomo set sender to owner-linux-mips@oss.sgi.com using -f Received: from pizda.ninka.net (IDENT:root@pizda.ninka.net [216.101.162.242]) by oss.sgi.com (8.12.3/8.12.3) with SMTP id g5CNZdnC018197; Wed, 12 Jun 2002 16:35:39 -0700 Received: from localhost (IDENT:davem@localhost.localdomain [127.0.0.1]) by pizda.ninka.net (8.9.3/8.9.3) with ESMTP id QAA00328; Wed, 12 Jun 2002 16:33:44 -0700 Date: Wed, 12 Jun 2002 16:33:44 -0700 (PDT) Message-Id: <20020612.163344.31410429.davem@redhat.com> To: jgarzik@mandrakesoft.com Cc: fxzhang@ict.ac.cn, linux-mips@oss.sgi.com, saw@saw.sw.com.sg, linux-kernel@vger.kernel.org, netdev@oss.sgi.com Subject: Re: NAPI for eepro100 From: "David S. Miller" In-Reply-To: <3D07D6A6.7090308@mandrakesoft.com> References: <3D07D270.5060902@mandrakesoft.com> <20020612.160532.134201977.davem@redhat.com> <3D07D6A6.7090308@mandrakesoft.com> X-Mailer: Mew version 2.1 on Emacs 21.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mips@oss.sgi.com Precedence: bulk From: Jeff Garzik Date: Wed, 12 Jun 2002 19:17:58 -0400 Oh crap, you're right... eepro100 in general does funky stuff with the way packets are handled, mainly due to the need to issue commands to the NIC engine instead of the normal per-descriptor owner bit way of doing things. The question is, do the descriptor bits have to live right before the RX packet data buffer or can other schemes be used?