f9de87187b
On ConnectX-4 Lx the Multi Packet Send (MPW) feature is considered un-secure, as on some cases were the application provides incorrect mbufs on the Tx burst the host or NIC can get stuck. Hence, disabling the feature by default for this specific NIC. Users can still enable this feature and enjoy the performance gain (mostly for low number of cores) by using the txq_mpw_en devarg. This patch will impact the out of the box performance of some application using ConnectX-4 Lx for the sack of security and robustness. Since we need different defaults based on the underlying device the mpw field in the configuration struct was extended to contain also the MLX5_ARG_UNSET option. Cc: stable@dpdk.org Signed-off-by: Shahaf Shuler <shahafs@mellanox.com> Acked-by: Yongseok Koh <yskoh@mellanox.com> |
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