Sessions are used in symmetric transformations in order to prepare
objects and data for packet processing stage.

A mlx5 session includes iv_offset, pointer to mlx5_crypto_dek struct,
bsf_size, bsf_p_type, block size index, encryption_order and encryption
standard.

Implement the next session operations:
        mlx5_crypto_sym_session_get_size- returns the size of the mlx5
	session struct.
	mlx5_crypto_sym_session_configure- prepares the DEK hash-list
	and saves all the session data.
	mlx5_crypto_sym_session_clear - destroys the DEK hash-list.

Signed-off-by: Shiri Kuzin <redacted>
Acked-by: Matan Azrad <redacted>
---
 doc/guides/cryptodevs/features/mlx5.ini |   5 +
 doc/guides/cryptodevs/mlx5.rst          |  10 ++

Documentation update is done in 3/16 which means the feature is complete.
But basic operations and queue pair initialization is done later.
This is not good. Please move this patch after QP additions.
Please take reference of other drivers for sequence of patches.

 drivers/crypto/mlx5/mlx5_crypto.c       | 172 +++++++++++++++++++++++-
 3 files changed, 182 insertions(+), 5 deletions(-)