> +#define CRYPTO_SESS_OPAQUE_DATA_OFF 0
CRYPTO_SESS_OPAQUE_DATA_OFF cannot be 0 as you have added a driver_id at start
of struct.
> +/**
> + * Get opaque data from session handle
> + */
> +static inline uint64_t
> +rte_cryptodev_sym_session_opaque_data_get(void *sess)
> +{
> + return *((uint64_t *)sess - CRYPTO_SESS_OPAQUE_DATA_OFF);
> +}
> +
> +/**
> + * Set opaque data in session handle
> + */
> +static inline void
> +rte_cryptodev_sym_session_opaque_data_set(void *sess, uint64_t opaque)
> +{
> + uint64_t *data;
> + data = (((uint64_t *)sess) - CRYPTO_SESS_OPAQUE_DATA_OFF);
> + *data = opaque;
> +}
