From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCA94C433E0 for ; Fri, 26 Jun 2020 05:25:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BEAA120775 for ; Fri, 26 Jun 2020 05:25:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727981AbgFZFY6 (ORCPT ); Fri, 26 Jun 2020 01:24:58 -0400 Received: from a.mx.secunet.com ([62.96.220.36]:44706 "EHLO a.mx.secunet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725306AbgFZFY5 (ORCPT ); Fri, 26 Jun 2020 01:24:57 -0400 Received: from localhost (localhost [127.0.0.1]) by a.mx.secunet.com (Postfix) with ESMTP id 2C8612052E; Fri, 26 Jun 2020 07:24:56 +0200 (CEST) X-Virus-Scanned: by secunet Received: from a.mx.secunet.com ([127.0.0.1]) by localhost (a.mx.secunet.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Vl9TWjW4tXJo; Fri, 26 Jun 2020 07:24:55 +0200 (CEST) Received: from mail-essen-01.secunet.de (mail-essen-01.secunet.de [10.53.40.204]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by a.mx.secunet.com (Postfix) with ESMTPS id 901522006F; Fri, 26 Jun 2020 07:24:55 +0200 (CEST) Received: from mbx-essen-01.secunet.de (10.53.40.197) by mail-essen-01.secunet.de (10.53.40.204) with Microsoft SMTP Server (TLS) id 14.3.487.0; Fri, 26 Jun 2020 07:24:55 +0200 Received: from gauss2.secunet.de (10.182.7.193) by mbx-essen-01.secunet.de (10.53.40.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Fri, 26 Jun 2020 07:24:55 +0200 Received: by gauss2.secunet.de (Postfix, from userid 1000) id B6F8D3180155; Fri, 26 Jun 2020 07:24:54 +0200 (CEST) Date: Fri, 26 Jun 2020 07:24:54 +0200 From: Steffen Klassert To: Petr =?utf-8?B?VmFuxJtr?= CC: Herbert Xu , "David S. Miller" , Jakub Kicinski , , Subject: Re: [PATCH net-next v2] xfrm: introduce oseq-may-wrap flag Message-ID: <20200626052454.GC19286@gauss3.secunet.de> References: <20200525154633.GB22403@atlantis> <20200530123912.GA7476@arkam> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20200530123912.GA7476@arkam> User-Agent: Mutt/1.9.4 (2018-02-28) X-ClientProxiedBy: cas-essen-01.secunet.de (10.53.40.201) To mbx-essen-01.secunet.de (10.53.40.197) X-EXCLAIMER-MD-CONFIG: 2c86f778-e09b-4440-8b15-867914633a10 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Sat, May 30, 2020 at 02:39:12PM +0200, Petr Vaněk wrote: > RFC 4303 in section 3.3.3 suggests to disable anti-replay for manually > distributed ICVs in which case the sender does not need to monitor or > reset the counter. However, the sender still increments the counter and > when it reaches the maximum value, the counter rolls over back to zero. > > This patch introduces new extra_flag XFRM_SA_XFLAG_OSEQ_MAY_WRAP which > allows sequence number to cycle in outbound packets if set. This flag is > used only in legacy and bmp code, because esn should not be negotiated > if anti-replay is disabled (see note in 3.3.3 section). > > Signed-off-by: Petr Vaněk Now applied to ipsec-next, thanks a lot!