From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: [net-next-2.6 PATCH v6 5/7 RFC] TCPCT part 1e: implement socket option TCP_COOKIE_TRANSACTIONS Date: Fri, 13 Nov 2009 15:11:00 +0100 Message-ID: <87bpj6tszv.fsf@basil.nowhere.org> References: <4AFCDA9E.8050003@gmail.com> <4AFCEA59.3060707@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Linux Kernel Network Developers To: William Allen Simpson Return-path: Received: from one.firstfloor.org ([213.235.205.2]:46550 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752312AbZKMOK5 (ORCPT ); Fri, 13 Nov 2009 09:10:57 -0500 In-Reply-To: <4AFCEA59.3060707@gmail.com> (William Allen Simpson's message of "Fri, 13 Nov 2009 00:10:49 -0500") Sender: netdev-owner@vger.kernel.org List-ID: William Allen Simpson writes: > This is a straightforward re-implementation of an earlier (year-old) > patch that no longer applies cleanly, with permission of the original > author (Adam Langley): > > http://thread.gmane.org/gmane.linux.network/102586 > > The principle difference is using a TCP option to carry the cookie nonce, > instead of a user configured offset in the data. > > Allocations have been rearranged to avoid requiring GFP_ATOMIC. > > Requires: > net: TCP_MSS_DEFAULT, TCP_MSS_DESIRED > TCPCT part 1c: sysctl_tcp_cookie_size, socket option TCP_COOKIE_TRANSACTIONS > TCPCT part 1d: define TCP cookie option, extend existing struct's BTW if you add new socket options you should always submit a manpage patch to linux-man@vger.kernel.org too -Andi -- ak@linux.intel.com -- Speaking for myself only.