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[204.195.96.226]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-30ee32519aesm22039877eec.27.2026.07.01.09.21.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Jul 2026 09:21:37 -0700 (PDT) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger Subject: [PATCH v3 8/8] doc: add release note about ip_frag changes Date: Wed, 1 Jul 2026 09:20:33 -0700 Message-ID: <20260701162127.207318-9-stephen@networkplumber.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260701162127.207318-1-stephen@networkplumber.org> References: <20260616210656.464062-1-stephen@networkplumber.org> <20260701162127.207318-1-stephen@networkplumber.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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. Signed-off-by: Stephen Hemminger --- doc/guides/rel_notes/release_26_07.rst | 10 ++++++++++ 1 file changed, 10 insertions(+) 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`` +* **ip_frag: changed handling of malformed fragments.** + + - Duplicate fragments are tolerated instead of failing reassembly. + - Overlapping fragments are rejected on arrival rather than during reassembly. + - 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. + ABI Changes ----------- -- 2.53.0