From patchwork Thu Aug 4 09:17:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antony Antony X-Patchwork-Id: 12936225 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6B0A5C19F2B for ; Thu, 4 Aug 2022 09:17:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238482AbiHDJRo (ORCPT ); Thu, 4 Aug 2022 05:17:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43186 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229571AbiHDJRn (ORCPT ); Thu, 4 Aug 2022 05:17:43 -0400 Received: from a.mx.secunet.com (a.mx.secunet.com [62.96.220.36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 671453A481 for ; Thu, 4 Aug 2022 02:17:42 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by a.mx.secunet.com (Postfix) with ESMTP id 3194B201CC; Thu, 4 Aug 2022 11:17:40 +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 DSkcTdpo-02V; Thu, 4 Aug 2022 11:17:39 +0200 (CEST) Received: from mailout1.secunet.com (mailout1.secunet.com [62.96.220.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by a.mx.secunet.com (Postfix) with ESMTPS id 3443A20569; Thu, 4 Aug 2022 11:17:39 +0200 (CEST) Received: from cas-essen-01.secunet.de (unknown [10.53.40.201]) by mailout1.secunet.com (Postfix) with ESMTP id 2B7C080004A; Thu, 4 Aug 2022 11:17:39 +0200 (CEST) Received: from mbx-essen-01.secunet.de (10.53.40.197) by cas-essen-01.secunet.de (10.53.40.201) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 4 Aug 2022 11:17:38 +0200 Received: from moon.secunet.de (172.18.149.1) 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 15.1.2375.24; Thu, 4 Aug 2022 11:17:38 +0200 Date: Thu, 4 Aug 2022 11:17:31 +0200 From: Antony Antony To: Steffen Klassert , Herbert Xu CC: , Tobias Brunner Subject: [PATCH ipsec-next] xfrm: update x->lastused for every packet Message-ID: Reply-To: MIME-Version: 1.0 Content-Disposition: inline Organization: secunet 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 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org x->lastused was only updated for outgoing mobile IPv6 packet. With this fix update it for every, in and out, packet. This is useful to check if the a SA is still in use, or when was the last time an SA was used. lastused time of in SA can used to check IPsec path is functional. Signed-off-by: Antony Antony --- net/xfrm/xfrm_input.c | 1 + net/xfrm/xfrm_output.c | 3 +-- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index 70a8c36f0ba6..7978048df837 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -669,6 +669,7 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type) x->curlft.bytes += skb->len; x->curlft.packets++; + x->lastused = ktime_get_real_seconds(); spin_unlock(&x->lock); diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c index 9a5e79a38c67..78cb8d0a6a18 100644 --- a/net/xfrm/xfrm_output.c +++ b/net/xfrm/xfrm_output.c @@ -209,8 +209,6 @@ static int xfrm6_ro_output(struct xfrm_state *x, struct sk_buff *skb) __skb_pull(skb, hdr_len); memmove(ipv6_hdr(skb), iph, hdr_len); - x->lastused = ktime_get_real_seconds(); - return 0; #else WARN_ON_ONCE(1); @@ -534,6 +532,7 @@ static int xfrm_output_one(struct sk_buff *skb, int err) x->curlft.bytes += skb->len; x->curlft.packets++; + x->lastused = ktime_get_real_seconds(); spin_unlock_bh(&x->lock);