From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: extra layer below inet layer. Date: Wed, 6 Jun 2007 22:25:11 -0700 Message-ID: <20070606222511.714973f8@localhost.localdomain> References: <2bd9ebfa0706062140vfddf3etfc8fd17749c9ad12@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: "Tej Parkash" Return-path: Received: from smtp2.linux-foundation.org ([207.189.120.14]:49395 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756570AbXFGFZV (ORCPT ); Thu, 7 Jun 2007 01:25:21 -0400 In-Reply-To: <2bd9ebfa0706062140vfddf3etfc8fd17749c9ad12@mail.gmail.com> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Thu, 7 Jun 2007 10:10:44 +0530 "Tej Parkash" wrote: > hi > > i just want to have something like tcp layer sitting below inet layer. > so that i can directly offload everything to NIC > and i want it to be placed dynamically. so depending on the nic i can > offload the feature or can make it normal flow. > i.e. both layer should exist and normal functionality should not break. > NIC protocol offloading is a contentious subject since it bypasses all the security and restricts usefulness of the device for VLAN's, bonding, bridging, etc. -- Stephen Hemminger