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 Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E09CC43458 for ; Wed, 1 Jul 2026 16:42:26 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 6647040279; Wed, 1 Jul 2026 18:42:25 +0200 (CEST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by mails.dpdk.org (Postfix) with ESMTP id D39E840278 for ; Wed, 1 Jul 2026 18:42:23 +0200 (CEST) Received: from mail.maildlp.com (unknown [172.18.224.150]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4gr5Pn534czJ46Ck; Thu, 2 Jul 2026 00:41:33 +0800 (CST) Received: from dubpeml100001.china.huawei.com (unknown [7.214.144.137]) by mail.maildlp.com (Postfix) with ESMTPS id 2D65540572; Thu, 2 Jul 2026 00:42:22 +0800 (CST) Received: from dubpeml500001.china.huawei.com (7.214.147.241) by dubpeml100001.china.huawei.com (7.214.144.137) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.36; Wed, 1 Jul 2026 17:42:21 +0100 Received: from dubpeml500001.china.huawei.com ([7.214.147.241]) by dubpeml500001.china.huawei.com ([7.214.147.241]) with mapi id 15.02.1544.011; Wed, 1 Jul 2026 17:42:21 +0100 From: Konstantin Ananyev To: Stephen Hemminger , "dev@dpdk.org" Subject: RE: [PATCH v3 8/8] doc: add release note about ip_frag changes Thread-Topic: [PATCH v3 8/8] doc: add release note about ip_frag changes Thread-Index: AQHdCXXSvaz3PhWCnk29g9mJjIvoobZY3gyQ Date: Wed, 1 Jul 2026 16:42:21 +0000 Message-ID: <61a1b5ab6e0845079a3f42aaf185c7c0@huawei.com> References: <20260616210656.464062-1-stephen@networkplumber.org> <20260701162127.207318-1-stephen@networkplumber.org> <20260701162127.207318-9-stephen@networkplumber.org> In-Reply-To: <20260701162127.207318-9-stephen@networkplumber.org> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.206.138.220] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 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 > These changes maybe surprising and need some documentation. >=20 > Signed-off-by: Stephen Hemminger > --- > doc/guides/rel_notes/release_26_07.rst | 10 ++++++++++ > 1 file changed, 10 insertions(+) >=20 > diff --git a/doc/guides/rel_notes/release_26_07.rst > b/doc/guides/rel_notes/release_26_07.rst > index 4ca0a9ac77..4918cb59ed 100644 > --- a/doc/guides/rel_notes/release_26_07.rst > +++ b/doc/guides/rel_notes/release_26_07.rst > @@ -241,6 +241,16 @@ API Changes > - ``rte_pmd_mlx5_enable_steering`` > - ``rte_pmd_mlx5_disable_steering`` >=20 > +* **ip_frag: changed handling of malformed fragments.** > + > + - Duplicate fragments are tolerated instead of failing reassembly. > + - Overlapping fragments are rejected on arrival rather than during rea= ssembly. > + - Oversized fragments (reassembled length over 65535) are rejected. > + - For IPv6, fragments with per-fragment extension headers are rejected= . > + > + Overlap and oversize are now detected on arrival, which adds a scan of= the > + already received fragments per fragment and may affect throughput. > + >=20 > ABI Changes > ----------- > -- Acked-by: Konstantin Ananyev > 2.53.0