From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Miller" Subject: Re: bad TSO performance in 2.6.9-rc2-BK Date: Mon, 27 Sep 2004 17:15:20 -0700 Sender: netdev-bounce@oss.sgi.com Message-ID: <20040927171520.632714fa.davem@davemloft.net> References: <20040923161141.4ea9be4c.davem@davemloft.net> <20040927160411.22b44f48.davem@davemloft.net> <20040927232554.GB15825@wotan.suse.de> <20040927163751.274f6071.davem@davemloft.net> <20040927235117.GC15825@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: ak@suse.de, jheffner@psc.edu, niv@us.ibm.com, andy.grover@gmail.com, anton@samba.org, netdev@oss.sgi.com Return-path: To: Andi Kleen In-Reply-To: <20040927235117.GC15825@wotan.suse.de> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org On Tue, 28 Sep 2004 01:51:17 +0200 Andi Kleen wrote: > Looks like the e1000 is too fast... Yes, the e1000 does TSO expansion much faster than the MIPS cpus on the tg3. I believe the e1000 implementation is in the ASIC instead of being implemented with a firmware runing on a general purpose on-board processor. In the 5705 and later revisions, the tg3 implements TSO in the ASIC as well.