From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Jones Subject: Re: data vs overhead bytes, netperf aggregate RR and retransmissions Date: Tue, 02 Aug 2011 15:12:29 -0700 Message-ID: <4E38764D.6050803@hp.com> References: <4E386E98.1090606@hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: netdev@vger.kernel.org Return-path: Received: from g1t0028.austin.hp.com ([15.216.28.35]:8796 "EHLO g1t0028.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755501Ab1HBWMa (ORCPT ); Tue, 2 Aug 2011 18:12:30 -0400 Received: from g1t0038.austin.hp.com (g1t0038.austin.hp.com [16.236.32.44]) by g1t0028.austin.hp.com (Postfix) with ESMTP id 6FCB31C37A for ; Tue, 2 Aug 2011 22:12:30 +0000 (UTC) Received: from [16.89.244.213] (tardy.cup.hp.com [16.89.244.213]) by g1t0038.austin.hp.com (Postfix) with ESMTP id 4FFEC300BE for ; Tue, 2 Aug 2011 22:12:30 +0000 (UTC) In-Reply-To: <4E386E98.1090606@hp.com> Sender: netdev-owner@vger.kernel.org List-ID: On 08/02/2011 02:39 PM, Rick Jones wrote: > but if the inbound DMA buffers were 2048 > bytes in size, 48 (49 actually, the "burst" is added to the one done by > default) of them would fill 86KB - so would 40, Please disregard the silly math error about 40, 2048 byte buffers filling 86KB... rick