The struct member dataunit_len is introduced in DPDK 21.05. It is limited to 16 bits to fit a padding hole in 32-bit build. This means the maximum data-unit length is 64 KB. Some use cases may benefit of a bigger size as the proposed 32 bits.
Signed-off-by: Thomas Monjalon <tho...@monjalon.net> --- doc/guides/rel_notes/deprecation.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst index 2afc84c396..a17f30c2ff 100644 --- a/doc/guides/rel_notes/deprecation.rst +++ b/doc/guides/rel_notes/deprecation.rst @@ -118,6 +118,10 @@ Deprecation Notices consistent with existing outer header checksum status flag naming, which should help in reducing confusion about its usage. +* cryptodev: The field ``dataunit_len`` of the ``struct rte_crypto_cipher_xform`` + has a limited size ``uint16_t``. + It will be moved and extended as ``uint32_t`` in DPDK 21.11. + * eventdev: The structure ``rte_event_eth_rx_adapter_queue_conf`` will be extended to include ``rte_event_eth_rx_adapter_event_vector_config`` elements and the function ``rte_event_eth_rx_adapter_queue_event_vector_config`` will -- 2.31.1