From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 2277045B68; Fri, 18 Oct 2024 11:19:51 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 14DFC40E45; Fri, 18 Oct 2024 11:18:42 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id 319DC40E34 for ; Fri, 18 Oct 2024 11:18:39 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1729243118; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=yGcJcVW256w6BiugMdu56n6ovfX9KOloYMjrfwdQ7+w=; b=bNHg7Wmpg1Q599Rq0FGdBeSB6tjlGH91l1EtPCtAFpy+4njI9rOSnq7ag8y/a2WanQt4rs uMmPcY0hYk2AfeBftWvgr28HhcNw03431FLAJCuzo7dMRiMBZq+QlO86lPAgzehGFTL76+ N5oNQUzXX1q4Ki6E+1/HYLC65ty4RUk= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-460-TY5BF98_N3y4ZQirQXEgZQ-1; Fri, 18 Oct 2024 05:18:35 -0400 X-MC-Unique: TY5BF98_N3y4ZQirQXEgZQ-1 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id B99891955F40 for ; Fri, 18 Oct 2024 09:18:34 +0000 (UTC) Received: from ringo.redhat.com (unknown [10.39.208.23]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id CC8CC19560AD; Fri, 18 Oct 2024 09:18:33 +0000 (UTC) From: Robin Jarry To: dev@dpdk.org Subject: [PATCH dpdk v4 17/17] net: add function to check IPv6 version Date: Fri, 18 Oct 2024 11:17:34 +0200 Message-ID: <20241018091734.64601-18-rjarry@redhat.com> In-Reply-To: <20241018091734.64601-1-rjarry@redhat.com> References: <20240821162516.610624-17-rjarry@redhat.com> <20241018091734.64601-1-rjarry@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII"; x-default=true X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Add a function to check the version in IPv6 headers. Signed-off-by: Robin Jarry --- app/test/test_net_ip6.c | 16 ++++++++++++++++ lib/net/rte_ip6.h | 14 ++++++++++++++ 2 files changed, 30 insertions(+) diff --git a/app/test/test_net_ip6.c b/app/test/test_net_ip6.c index 94033421ad0b..9cc10b1f714f 100644 --- a/app/test/test_net_ip6.c +++ b/app/test/test_net_ip6.c @@ -9,6 +9,21 @@ static const struct rte_ipv6_addr mask_full = RTE_IPV6_MASK_FULL; static const struct rte_ipv6_addr zero_addr = RTE_IPV6_ADDR_UNSPEC; +static int +test_ipv6_check_version(void) +{ + struct rte_ipv6_hdr h; + + h.vtc_flow = 0; + TEST_ASSERT_EQUAL(rte_ipv6_check_version(&h), -EINVAL, ""); + h.vtc_flow = RTE_BE32(0x7f00ba44); + TEST_ASSERT_EQUAL(rte_ipv6_check_version(&h), -EINVAL, ""); + h.vtc_flow = RTE_BE32(0x6badcaca); + TEST_ASSERT_EQUAL(rte_ipv6_check_version(&h), 0, ""); + + return 0; +} + static int test_ipv6_addr_mask(void) { @@ -167,6 +182,7 @@ test_ether_mcast_from_ipv6(void) static int test_net_ipv6(void) { + TEST_ASSERT_SUCCESS(test_ipv6_check_version(), ""); TEST_ASSERT_SUCCESS(test_ipv6_addr_mask(), ""); TEST_ASSERT_SUCCESS(test_ipv6_addr_eq_prefix(), ""); TEST_ASSERT_SUCCESS(test_ipv6_addr_kind(), ""); diff --git a/lib/net/rte_ip6.h b/lib/net/rte_ip6.h index d02b225303e9..94bc5a39b348 100644 --- a/lib/net/rte_ip6.h +++ b/lib/net/rte_ip6.h @@ -364,6 +364,20 @@ struct rte_ipv6_hdr { struct rte_ipv6_addr dst_addr; /**< IP address of destination host(s). */ } __rte_packed; +/** + * Check that the IPv6 header version field is valid according to RFC 8200 section 3. + * + * @return + * 0 if the version field is valid. -EINVAL otherwise. + */ +static inline int rte_ipv6_check_version(const struct rte_ipv6_hdr *ip) +{ + uint8_t version = ((const uint8_t *)ip)[0]; + if ((version & 0xf0) != 0x60) + return -EINVAL; + return 0; +} + /* IPv6 routing extension type definition. */ #define RTE_IPV6_SRCRT_TYPE_4 4 -- 2.47.0