From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Jones Subject: Re: [RFC] New driver API to speed up small packets xmits Date: Thu, 10 May 2007 10:19:14 -0700 Message-ID: <46435412.50800@hp.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: Evgeniy Polyakov , netdev@vger.kernel.org To: Krishna Kumar2 Return-path: Received: from palrel10.hp.com ([156.153.255.245]:51796 "EHLO palrel10.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752216AbXEJRTR (ORCPT ); Thu, 10 May 2007 13:19:17 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org > It is the reverse - GSO will segment one super-packet just before calling > the driver so that the stack is traversed only once. In my case, I am > trying to send out multiple skbs, possibly small packets, in one shot. > GSO will not help for small packets. If there are small packets that implies small sends, which suggests that they would be coalesced either implicitly by the Nagle algorithm or explicitly with TCP_CORK no? rick jones