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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH v2] net: do fragmented headers check in non-debug build as well X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 7/13/2020 3:22 PM, Andrew Rybchenko wrote: > Pseudo-header checksum calculation requires contiguous headers. > There is no any formal requirements on data location and mbuf > structure which could be used by the application. > > Since > > commit dfc6b2fd8da3 ("mbuf: remove Intel offload checks from generic API") > > fragmented headers checks are done inside > rte_net_intel_cksum_flags_prepare() in RTE_LIBRTE_ETHDEV_DEBUG build > because it is moved from rte_validate_tx_offload() which is called > under debug only. > > Make corresponding check to be done in non-debug build as well > to avoid bad accesses, incorrect checksum calculation and to > return appropriate error from Tx prepare. > > Make no-offloads check more precise and do it in non-debug build > as well to avoid contiguous headers check and Tx prepare failure > if it is not actually required. > > Signed-off-by: Andrew Rybchenko > Acked-by: Olivier Matz Applied to dpdk-next-net/master, thanks.