From patchwork Sun Nov 12 12:00:09 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Github ODP bot X-Patchwork-Id: 118650 Delivered-To: patch@linaro.org Received: by 10.140.22.164 with SMTP id 33csp684785qgn; Sun, 12 Nov 2017 04:12:37 -0800 (PST) X-Google-Smtp-Source: AGs4zMatLXRaZ9nhsOb6FvJz3DT1ai20bboFv0XiYR+exKhaWet/h5d+uOS03qADzuCp7H4Jd66j X-Received: by 10.55.56.147 with SMTP id f141mr8416899qka.310.1510488756919; Sun, 12 Nov 2017 04:12:36 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1510488756; cv=none; d=google.com; s=arc-20160816; b=eFwWhu+C9UXQt+zaq56O6GlXgjNgN/n8g073lmmien3FE+oWt+b4AubatNcfyTOIP5 BgVoA8FqmY67Bvd1AShs07Y/yYdcNlvpFRMtKNrQvD0mY9LRpTEuCDk9O9ZYcijvocwS vI+d8SeM25HcspYkNJ8GBy4S7myrhm0qN1+4A3MYRjIDzxg+ytGFix2aseQ7u3ufiiaS gv81ITBfFTsSHED2AXvUSJxuGJE28vHweZ/hnTJyaaCjWjlIWhWZmk5bzkADiTDSMdDq +uDisRU7Pu2O/V311mJaF++up3wGq5iWvTjkDxF3ngy2R/zydP0i9Z5mCVWTPcBA7fxB Uc2A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:subject:github-pr-num :references:in-reply-to:message-id:date:to:from:delivered-to :arc-authentication-results; bh=iQEkYW2Hb+mIRexmMIARRHCwWbj5EAdpxxPNbZKkGH0=; b=DSmBdSI1MxW/5ToRFmSZ0v7s9VuELs+ziERXjjsPWG0nFfm9TX2d2GAPun6RKDqtmD 4KF12569ACqujZcfJ93rOV1bRePr3b7ZhYxgL7B0fl1AXKreZX3Nl+jVeBhUyjOGAUcz qUU7wIf841+hTNepjV9raaOv+7NCWMrKT2cdovmfLOpBCOYBTFEFM3KfM/yv0/e+9pzf gAG15B8D4mUwmz9TkDvJa+urn2xrl4Xx770VE3z0TkHS4OYhC10Xm4f9V+BSDZzFg5S+ QrbuwzQrja61PXHOnxhhLABY8foH4HbsZCO7p5aiQ280qNMsE4cW3XYPG+cNIQs0589P deMw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of lng-odp-bounces@lists.linaro.org designates 54.197.127.237 as permitted sender) smtp.mailfrom=lng-odp-bounces@lists.linaro.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=yandex.ru Return-Path: Received: from lists.linaro.org (ec2-54-197-127-237.compute-1.amazonaws.com. [54.197.127.237]) by mx.google.com with ESMTP id q29si117348qtb.192.2017.11.12.04.12.36; Sun, 12 Nov 2017 04:12:36 -0800 (PST) Received-SPF: pass (google.com: domain of lng-odp-bounces@lists.linaro.org designates 54.197.127.237 as permitted sender) client-ip=54.197.127.237; Authentication-Results: mx.google.com; spf=pass (google.com: domain of lng-odp-bounces@lists.linaro.org designates 54.197.127.237 as permitted sender) smtp.mailfrom=lng-odp-bounces@lists.linaro.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=yandex.ru Received: by lists.linaro.org (Postfix, from userid 109) id 91C1560A81; Sun, 12 Nov 2017 12:12:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on ip-10-142-244-252 X-Spam-Level: X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from [127.0.0.1] (localhost [127.0.0.1]) by lists.linaro.org (Postfix) with ESMTP id EB83D60BFE; Sun, 12 Nov 2017 12:02:01 +0000 (UTC) X-Original-To: lng-odp@lists.linaro.org Delivered-To: lng-odp@lists.linaro.org Received: by lists.linaro.org (Postfix, from userid 109) id 4634B609FD; Sun, 12 Nov 2017 12:01:46 +0000 (UTC) Received: from forward105o.mail.yandex.net (forward105o.mail.yandex.net [37.140.190.183]) by lists.linaro.org (Postfix) with ESMTPS id C5C5E60A81 for ; Sun, 12 Nov 2017 12:00:27 +0000 (UTC) Received: from mxback7o.mail.yandex.net (mxback7o.mail.yandex.net [IPv6:2a02:6b8:0:1a2d::21]) by forward105o.mail.yandex.net (Yandex) with ESMTP id 0ABCD4447C80 for ; Sun, 12 Nov 2017 15:00:26 +0300 (MSK) Received: from smtp4j.mail.yandex.net (smtp4j.mail.yandex.net [2a02:6b8:0:1619::15:6]) by mxback7o.mail.yandex.net (nwsmtp/Yandex) with ESMTP id zzcLSKHlkj-0PNKpQ2R; Sun, 12 Nov 2017 15:00:25 +0300 Received: by smtp4j.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id 3w91frotLT-0PvC6tH7; Sun, 12 Nov 2017 15:00:25 +0300 (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (Client certificate not present) From: Github ODP bot To: lng-odp@lists.linaro.org Date: Sun, 12 Nov 2017 15:00:09 +0300 Message-Id: <1510488023-21204-5-git-send-email-odpbot@yandex.ru> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1510488023-21204-1-git-send-email-odpbot@yandex.ru> References: <1510488023-21204-1-git-send-email-odpbot@yandex.ru> Github-pr-num: 243 Subject: [lng-odp] [PATCH API-NEXT v12 4/18] linux-gen: ipsec: fix soft/hard limits check X-BeenThere: lng-odp@lists.linaro.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: "The OpenDataPlane \(ODP\) List" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: lng-odp-bounces@lists.linaro.org Sender: "lng-odp" From: Dmitry Eremin-Solenikov Split count expiration check into two phases: - optional precheck, run before crypto, which fails only if hard limit is already breached - update, run after crypto in INBOUND case, so that limits will not be updated for packets failing ICV check. Signed-off-by: Dmitry Eremin-Solenikov --- /** Email created from pull request 243 (lumag:ipsec-packet-impl-3) ** https://github.com/Linaro/odp/pull/243 ** Patch: https://github.com/Linaro/odp/pull/243.patch ** Base sha: a908a4dead95321e84d6a8a23de060051dcd8969 ** Merge commit sha: e8722a0cdda227e01e7d308573aec08112d3c5b0 **/ .../linux-generic/include/odp_ipsec_internal.h | 10 +++++++++- platform/linux-generic/odp_ipsec.c | 12 +++++------ platform/linux-generic/odp_ipsec_sad.c | 23 +++++++++++++++++++++- 3 files changed, 37 insertions(+), 8 deletions(-) diff --git a/platform/linux-generic/include/odp_ipsec_internal.h b/platform/linux-generic/include/odp_ipsec_internal.h index afc2f686e..68ab195c7 100644 --- a/platform/linux-generic/include/odp_ipsec_internal.h +++ b/platform/linux-generic/include/odp_ipsec_internal.h @@ -185,11 +185,19 @@ void _odp_ipsec_sa_unuse(ipsec_sa_t *ipsec_sa); ipsec_sa_t *_odp_ipsec_sa_lookup(const ipsec_sa_lookup_t *lookup); /** + * Run pre-check on SA usage statistics. + * + * @retval <0 if hard limits were breached + */ +int _odp_ipsec_sa_stats_precheck(ipsec_sa_t *ipsec_sa, + odp_ipsec_op_status_t *status); + +/** * Update SA usage statistics, filling respective status for the packet. * * @retval <0 if hard limits were breached */ -int _odp_ipsec_sa_update_stats(ipsec_sa_t *ipsec_sa, uint32_t len, +int _odp_ipsec_sa_stats_update(ipsec_sa_t *ipsec_sa, uint32_t len, odp_ipsec_op_status_t *status); /** diff --git a/platform/linux-generic/odp_ipsec.c b/platform/linux-generic/odp_ipsec.c index 6a731e999..8810d73be 100644 --- a/platform/linux-generic/odp_ipsec.c +++ b/platform/linux-generic/odp_ipsec.c @@ -412,9 +412,7 @@ static ipsec_sa_t *ipsec_in_single(odp_packet_t pkt, goto out; } - if (_odp_ipsec_sa_update_stats(ipsec_sa, - stats_length, - status) < 0) + if (_odp_ipsec_sa_stats_precheck(ipsec_sa, status) < 0) goto out; param.session = ipsec_sa->session; @@ -449,6 +447,9 @@ static ipsec_sa_t *ipsec_in_single(odp_packet_t pkt, goto out; } + if (_odp_ipsec_sa_stats_update(ipsec_sa, stats_length, status) < 0) + goto out; + ip_offset = odp_packet_l3_offset(pkt); ip = odp_packet_l3_ptr(pkt, NULL); ip_hdr_len = ipv4_hdr_len(ip); @@ -830,9 +831,8 @@ static ipsec_sa_t *ipsec_out_single(odp_packet_t pkt, goto out; } - if (_odp_ipsec_sa_update_stats(ipsec_sa, - stats_length, - status) < 0) + /* No need to run precheck here, we know that packet is authentic */ + if (_odp_ipsec_sa_stats_update(ipsec_sa, stats_length, status) < 0) goto out; param.session = ipsec_sa->session; diff --git a/platform/linux-generic/odp_ipsec_sad.c b/platform/linux-generic/odp_ipsec_sad.c index dc338bfcd..87feb1139 100644 --- a/platform/linux-generic/odp_ipsec_sad.c +++ b/platform/linux-generic/odp_ipsec_sad.c @@ -479,7 +479,28 @@ ipsec_sa_t *_odp_ipsec_sa_lookup(const ipsec_sa_lookup_t *lookup) return best; } -int _odp_ipsec_sa_update_stats(ipsec_sa_t *ipsec_sa, uint32_t len, +int _odp_ipsec_sa_stats_precheck(ipsec_sa_t *ipsec_sa, + odp_ipsec_op_status_t *status) +{ + uint64_t bytes = odp_atomic_load_u64(&ipsec_sa->bytes); + uint64_t packets = odp_atomic_load_u64(&ipsec_sa->packets); + int rc = 0; + + if (ipsec_sa->hard_limit_bytes > 0 && + bytes > ipsec_sa->hard_limit_bytes) { + status->error.hard_exp_bytes = 1; + rc = -1; + } + if (ipsec_sa->hard_limit_packets > 0 && + packets > ipsec_sa->hard_limit_packets) { + status->error.hard_exp_packets = 1; + rc = -1; + } + + return rc; +} + +int _odp_ipsec_sa_stats_update(ipsec_sa_t *ipsec_sa, uint32_t len, odp_ipsec_op_status_t *status) { uint64_t bytes = odp_atomic_fetch_add_u64(&ipsec_sa->bytes, len) + len;