[dpdk-dev] [PATCH v2] doc: announce change in crypto raw data vector

[Hemant Agrawal]

ping for review.


On 8/5/2021 7:25 PM, Hemant Agrawal wrote:
> The current crypto raw data vectors need to be extended to support
> out of place processing. It is proposed to add additional desl_sgl
> to provide details for destination sgl.
> The same is also extended to support rte_security usecases, where
> we need total data length to know how much additional memory space
> is available in buffer other than data length so that driver/HW
> can write expanded size data after encryption.
>
> Signed-off-by: Gagandeep Singh <G.Singh at nxp.com>
> Signed-off-by: Hemant Agrawal <hemant.agrawal at nxp.com>
> ---
>   doc/guides/rel_notes/deprecation.rst | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
>
> diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
> index f4a4d00db2..c19a306c93 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -193,3 +193,15 @@ Deprecation Notices
>     reserved bytes to 2 (from 3), and use 1 byte to indicate warnings and other
>     information from the crypto/security operation. This field will be used to
>     communicate events such as soft expiry with IPsec in lookaside mode.
> +
> +* cryptodev: The structure ``rte_crypto_sym_vec`` would be updated to add
> +  ``dest_sgl`` to support out of place processing. This field will be null for
> +  inplace processing. This change is targeted for DPDK 21.11
> +
> +* cryptodev: The structure ``rte_crypto_vec`` would be updated to add
> +  ``tot_len`` to support total buffer length. This is required for security
> +  cases like IPsec and PDCP encryption offload to know how much additional
> +  memory space is available in buffer other than data length so that driver/HW
> +  can write expanded size data after encryption. This change is targeted for
> +  DPDK 21.11
> +