- struct {
- struct {
- uint32_t offset;
- /**< Starting point for cipher processing, specified
- * as number of bytes from start of data in the source
- * buffer. The result of the cipher operation will be
- * written back into the output buffer starting at
- * this location.
- *
- * @note
- * For SNOW 3G @ RTE_CRYPTO_CIPHER_SNOW3G_UEA2
- * and KASUMI @ RTE_CRYPTO_CIPHER_KASUMI_F8,
- * this field should be in bits.
- */
-
- uint32_t length;
- /**< The message length, in bytes, of the source buffer
- * on which the cryptographic operation will be
- * computed. This must be a multiple of the block size
- * if a block cipher is being used. This is also the
- * same as the result length.
- *
- * @note
- * In the case of CCM @ref RTE_CRYPTO_AUTH_AES_CCM,
- * this value should not include the length of the
- * padding or the length of the MAC; the driver will
- * compute the actual number of bytes over which the
- * encryption will occur, which will include these
- * values.
- *
- * @note
- * For AES-GMAC @ref RTE_CRYPTO_AUTH_AES_GMAC, this
- * field should be set to 0.
- *
- * @note
- * For SNOW 3G @ RTE_CRYPTO_AUTH_SNOW3G_UEA2
- * and KASUMI @ RTE_CRYPTO_CIPHER_KASUMI_F8,
- * this field should be in bits.
- */
- } data; /**< Data offsets and length for ciphering */
-
- struct {
- uint8_t *data;
- /**< Initialisation Vector or Counter.
- *
- * - For block ciphers in CBC or F8 mode, or for Kasumi
- * in F8 mode, or for SNOW 3G in UEA2 mode, this is the
- * Initialisation Vector (IV) value.
- *
- * - For block ciphers in CTR mode, this is the counter.
- *
- * - For GCM mode, this is either the IV (if the length
- * is 96 bits) or J0 (for other sizes), where J0 is as
- * defined by NIST SP800-38D. Regardless of the IV
- * length, a full 16 bytes needs to be allocated.
- *
- * - For CCM mode, the first byte is reserved, and the
- * nonce should be written starting at &iv[1] (to allow
- * space for the implementation to write in the flags
- * in the first byte). Note that a full 16 bytes should
- * be allocated, even though the length field will
- * have a value less than this.
- *
- * - For AES-XTS, this is the 128bit tweak, i, from
- * IEEE Std 1619-2007.
- *
- * For optimum performance, the data pointed to SHOULD
- * be 8-byte aligned.
- */
- phys_addr_t phys_addr;
- uint16_t length;
- /**< Length of valid IV data.
- *
- * - For block ciphers in CBC or F8 mode, or for Kasumi
- * in F8 mode, or for SNOW 3G in UEA2 mode, this is the
- * length of the IV (which must be the same as the
- * block length of the cipher).
- *
- * - For block ciphers in CTR mode, this is the length
- * of the counter (which must be the same as the block
- * length of the cipher).
- *
- * - For GCM mode, this is either 12 (for 96-bit IVs)
- * or 16, in which case data points to J0.
- *
- * - For CCM mode, this is the length of the nonce,
- * which can be in the range 7 to 13 inclusive.
- */
- } iv; /**< Initialisation vector parameters */
- } cipher;
-
- struct {
- struct {
- uint32_t offset;
- /**< Starting point for hash processing, specified as
- * number of bytes from start of packet in source
- * buffer.
- *
- * @note
- * For CCM and GCM modes of operation, this field is
- * ignored. The field @ref aad field
- * should be set instead.
- *
- * @note For AES-GMAC (@ref RTE_CRYPTO_AUTH_AES_GMAC)
- * mode of operation, this field is set to 0. aad data
- * pointer of rte_crypto_sym_op_data structure is
- * used instead
- *
- * @note
- * For SNOW 3G @ RTE_CRYPTO_AUTH_SNOW3G_UIA2
- * and KASUMI @ RTE_CRYPTO_AUTH_KASUMI_F9,
- * this field should be in bits.
- */
-
- uint32_t length;
- /**< The message length, in bytes, of the source
- * buffer that the hash will be computed on.
- *
- * @note
- * For CCM and GCM modes of operation, this field is
- * ignored. The field @ref aad field should be set
- * instead.
- *
- * @note
- * For AES-GMAC @ref RTE_CRYPTO_AUTH_AES_GMAC mode
- * of operation, this field is set to 0.
- * Auth.aad.length is used instead.
- *
- * @note
- * For SNOW 3G @ RTE_CRYPTO_AUTH_SNOW3G_UIA2
- * and KASUMI @ RTE_CRYPTO_AUTH_KASUMI_F9,
- * this field should be in bits.
- */
- } data; /**< Data offsets and length for authentication */
-