Function get_local_cipher_ctx

dpdk/drivers/crypto/openssl/rte_openssl_pmd.c:1607–1639

/*----------------------------------------------------------------------------*/

static inline EVP_CIPHER_CTX *
get_local_cipher_ctx(struct openssl_session *sess, struct openssl_qp *qp)
{
	/* If the array is not being used, just return the main context. */
	if (sess->ctx_copies_len == 0)
		return sess->cipher.ctx;

	EVP_CIPHER_CTX **lctx = &sess->qp_ctx[qp->id].cipher;

	if (unlikely(*lctx == NULL)) {
#if OPENSSL_VERSION_NUMBER >= 0x30200000L
		/* EVP_CIPHER_CTX_dup() added in OSSL 3.2 */
		*lctx = EVP_CIPHER_CTX_dup(sess->cipher.ctx);
		return *lctx;
#elif OPENSSL_VERSION_NUMBER >= 0x30000000L
		if (sess->chain_order == OPENSSL_CHAIN_COMBINED) {
			/* AESNI special-cased to use openssl_aesni_ctx_clone()
			 * to allow for working around lack of
			 * EVP_CIPHER_CTX_copy support for 3.0.0 <= OSSL Version
			 * < 3.2.0.
			 */
			if (openssl_aesni_ctx_clone(lctx, sess) != 0)
				*lctx = NULL;
			return *lctx;
		}
#endif

		*lctx = EVP_CIPHER_CTX_new();
		EVP_CIPHER_CTX_copy(*lctx, sess->cipher.ctx);
	}

	return *lctx;
}

static inline EVP_MD_CTX *
get_local_auth_ctx(struct openssl_session *sess, struct openssl_qp *qp)