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[54.197.127.237]) by mx.google.com with ESMTP id q14si472212qki.161.2017.10.20.03.04.04; Fri, 20 Oct 2017 03:04:04 -0700 (PDT) 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 4927D60B2A; Fri, 20 Oct 2017 10:04:04 +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=-4.7 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, 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 990F260B19; Fri, 20 Oct 2017 10:00:40 +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 589EB60A1C; Fri, 20 Oct 2017 10:00:25 +0000 (UTC) Received: from forward101j.mail.yandex.net (forward101j.mail.yandex.net [5.45.198.241]) by lists.linaro.org (Postfix) with ESMTPS id 3CB4B60916 for ; Fri, 20 Oct 2017 10:00:19 +0000 (UTC) Received: from mxback8g.mail.yandex.net (mxback8g.mail.yandex.net [IPv6:2a02:6b8:0:1472:2741:0:8b7:169]) by forward101j.mail.yandex.net (Yandex) with ESMTP id 8024D12425C7 for ; Fri, 20 Oct 2017 13:00:17 +0300 (MSK) Received: from smtp3p.mail.yandex.net (smtp3p.mail.yandex.net [2a02:6b8:0:1472:2741:0:8b6:8]) by mxback8g.mail.yandex.net (nwsmtp/Yandex) with ESMTP id RpYJxbhDR8-0HrCGieI; Fri, 20 Oct 2017 13:00:17 +0300 Received: by smtp3p.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id ACuXAMi82u-0HgK3amr; Fri, 20 Oct 2017 13:00:17 +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: Fri, 20 Oct 2017 13:00:00 +0300 Message-Id: <1508493607-25012-5-git-send-email-odpbot@yandex.ru> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1508493607-25012-1-git-send-email-odpbot@yandex.ru> References: <1508493607-25012-1-git-send-email-odpbot@yandex.ru> Github-pr-num: 243 Subject: [lng-odp] [PATCH API-NEXT v1 4/11] 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: e3108af2f0b58c2ceca422b418439bba5de04b11 ** Merge commit sha: 0b3c6fecf5adbd74ef6dd0c08d541051854b91a4 **/ .../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 1aa437b8e..55b60162d 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); @@ -835,9 +836,8 @@ 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 5d20bb66c..fe8dfd0e4 100644 --- a/platform/linux-generic/odp_ipsec_sad.c +++ b/platform/linux-generic/odp_ipsec_sad.c @@ -476,7 +476,28 @@ 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;