@@ -524,151 +524,227 @@ struct rte_crypto_sym_op {
/**< Session-less API crypto operation parameters */
};
- 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,
- * KASUMI @ RTE_CRYPTO_CIPHER_KASUMI_F8
- * and ZUC @ RTE_CRYPTO_CIPHER_ZUC_EEA3,
- * 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 SNOW 3G @ RTE_CRYPTO_AUTH_SNOW3G_UEA2,
- * KASUMI @ RTE_CRYPTO_CIPHER_KASUMI_F8
- * and ZUC @ RTE_CRYPTO_CIPHER_ZUC_EEA3,
- * this field should be in bits.
- */
- } data; /**< Data offsets and length for ciphering */
-
- } 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 SNOW 3G @ RTE_CRYPTO_AUTH_SNOW3G_UIA2,
- * KASUMI @ RTE_CRYPTO_AUTH_KASUMI_F9
- * and ZUC @ RTE_CRYPTO_AUTH_ZUC_EIA3,
- * 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 SNOW 3G @ RTE_CRYPTO_AUTH_SNOW3G_UIA2,
- * KASUMI @ RTE_CRYPTO_AUTH_KASUMI_F9
- * and ZUC @ RTE_CRYPTO_AUTH_ZUC_EIA3,
- * this field should be in bits.
- */
- } data; /**< Data offsets and length for authentication */
-
+ union {
struct {
- uint8_t *data;
- /**< This points to the location where the digest result
- * should be inserted (in the case of digest generation)
- * or where the purported digest exists (in the case of
- * digest verification).
- *
- * At session creation time, the client specified the
- * digest result length with the digest_length member
- * of the @ref rte_crypto_auth_xform structure. For
- * physical crypto devices the caller must allocate at
- * least digest_length of physically contiguous memory
- * at this location.
- *
- * For digest generation, the digest result will
- * overwrite any data at this location.
- *
- * @note
- * For GCM (@ref RTE_CRYPTO_AUTH_AES_GCM), for
- * "digest result" read "authentication tag T".
- */
- phys_addr_t phys_addr;
- /**< Physical address of digest */
- } digest; /**< Digest parameters */
+ struct {
+ uint32_t offset;
+ /**< Starting point for AEAD processing, specified as
+ * number of bytes from start of packet in source
+ * buffer.
+ */
+ 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
+ */
+ } data; /**< Data offsets and length for AEAD */
+ struct {
+ uint8_t *data;
+ /**< This points to the location where the digest result
+ * should be inserted (in the case of digest generation)
+ * or where the purported digest exists (in the case of
+ * digest verification).
+ *
+ * At session creation time, the client specified the
+ * digest result length with the digest_length member
+ * of the @ref rte_crypto_auth_xform structure. For
+ * physical crypto devices the caller must allocate at
+ * least digest_length of physically contiguous memory
+ * at this location.
+ *
+ * For digest generation, the digest result will
+ * overwrite any data at this location.
+ *
+ * @note
+ * For GCM (@ref RTE_CRYPTO_AEAD_AES_GCM), for
+ * "digest result" read "authentication tag T".
+ */
+ phys_addr_t phys_addr;
+ /**< Physical address of digest */
+ } digest; /**< Digest parameters */
+ struct {
+ uint8_t *data;
+ /**< Pointer to Additional Authenticated Data (AAD)
+ * needed for authenticated cipher mechanisms (CCM and
+ * GCM)
+ *
+ * Specifically for CCM (@ref RTE_CRYPTO_AEAD_AES_CCM),
+ * the caller should setup this field as follows:
+ *
+ * - the nonce should be written starting at an offset
+ * of one byte into the array, leaving room for the
+ * implementation to write in the flags to the first
+ * byte.
+ *
+ * - the additional authentication data itself should
+ * be written starting at an offset of 18 bytes into
+ * the array, leaving room for the length encoding in
+ * the first two bytes of the second block.
+ *
+ * - the array should be big enough to hold the above
+ * fields, plus any padding to round this up to the
+ * nearest multiple of the block size (16 bytes).
+ * Padding will be added by the implementation.
+ *
+ * Finally, for GCM (@ref RTE_CRYPTO_AEAD_AES_GCM), the
+ * caller should setup this field as follows:
+ *
+ * - the AAD is written in starting at byte 0
+ * - the array must be big enough to hold the AAD, plus
+ * any space to round this up to the nearest multiple
+ * of the block size (16 bytes).
+ *
+ */
+ phys_addr_t phys_addr; /**< physical address */
+ } aad;
+ /**< Additional authentication parameters */
+ } aead;
struct {
- uint8_t *data;
- /**< Pointer to Additional Authenticated Data (AAD)
- * needed for authenticated cipher mechanisms (CCM and
- * GCM).
- *
- * The length of the data pointed to by this field is
- * set up for the session in the @ref
- * rte_crypto_auth_xform structure as part of the @ref
- * rte_cryptodev_sym_session_create function call.
- * This length must not exceed 65535 (2^16-1) bytes.
- *
- * Specifically for CCM (@ref RTE_CRYPTO_AUTH_AES_CCM),
- * the caller should setup this field as follows:
- *
- * - the nonce should be written starting at an offset
- * of one byte into the array, leaving room for the
- * implementation to write in the flags to the first
- * byte.
- *
- * - the additional authentication data itself should
- * be written starting at an offset of 18 bytes into
- * the array, leaving room for the length encoding in
- * the first two bytes of the second block.
- *
- * - the array should be big enough to hold the above
- * fields, plus any padding to round this up to the
- * nearest multiple of the block size (16 bytes).
- * Padding will be added by the implementation.
- *
- * Finally, for GCM (@ref RTE_CRYPTO_AUTH_AES_GCM), the
- * caller should setup this field as follows:
- *
- * - the AAD is written in starting at byte 0
- * - the array must be big enough to hold the AAD, plus
- * any space to round this up to the nearest multiple
- * of the block size (16 bytes).
- *
- */
- phys_addr_t phys_addr; /**< physical address */
- } aad;
- /**< Additional authentication parameters */
- } auth;
+ 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,
+ * KASUMI @ RTE_CRYPTO_CIPHER_KASUMI_F8
+ * and ZUC @ RTE_CRYPTO_CIPHER_ZUC_EEA3,
+ * 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 SNOW 3G @ RTE_CRYPTO_AUTH_SNOW3G_UEA2,
+ * KASUMI @ RTE_CRYPTO_CIPHER_KASUMI_F8
+ * and ZUC @ RTE_CRYPTO_CIPHER_ZUC_EEA3,
+ * this field should be in bits.
+ */
+ } data; /**< Data offsets and length for ciphering */
+ } 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 SNOW 3G @ RTE_CRYPTO_AUTH_SNOW3G_UIA2,
+ * KASUMI @ RTE_CRYPTO_AUTH_KASUMI_F9
+ * and ZUC @ RTE_CRYPTO_AUTH_ZUC_EIA3,
+ * 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 SNOW 3G @ RTE_CRYPTO_AUTH_SNOW3G_UIA2,
+ * KASUMI @ RTE_CRYPTO_AUTH_KASUMI_F9
+ * and ZUC @ RTE_CRYPTO_AUTH_ZUC_EIA3,
+ * this field should be in bits.
+ */
+ } data; /**< Data offsets and length for authentication */
+
+ struct {
+ uint8_t *data;
+ /**< This points to the location where the digest result
+ * should be inserted (in the case of digest generation)
+ * or where the purported digest exists (in the case of
+ * digest verification).
+ *
+ * At session creation time, the client specified the
+ * digest result length with the digest_length member
+ * of the @ref rte_crypto_auth_xform structure. For
+ * physical crypto devices the caller must allocate at
+ * least digest_length of physically contiguous memory
+ * at this location.
+ *
+ * For digest generation, the digest result will
+ * overwrite any data at this location.
+ *
+ * @note
+ * For GCM (@ref RTE_CRYPTO_AUTH_AES_GCM), for
+ * "digest result" read "authentication tag T".
+ */
+ phys_addr_t phys_addr;
+ /**< Physical address of digest */
+ } digest; /**< Digest parameters */
+
+ struct {
+ uint8_t *data;
+ /**< Pointer to Additional Authenticated Data (AAD)
+ * needed for authenticated cipher mechanisms (CCM and
+ * GCM).
+ *
+ * The length of the data pointed to by this field is
+ * set up for the session in the @ref
+ * rte_crypto_auth_xform structure as part of the @ref
+ * rte_cryptodev_sym_session_create function call.
+ * This length must not exceed 65535 (2^16-1) bytes.
+ *
+ * Specifically for CCM (@ref RTE_CRYPTO_AUTH_AES_CCM),
+ * the caller should setup this field as follows:
+ *
+ * - the nonce should be written starting at an offset
+ * of one byte into the array, leaving room for the
+ * implementation to write in the flags to the first
+ * byte.
+ *
+ * - the additional authentication data itself should
+ * be written starting at an offset of 18 bytes into
+ * the array, leaving room for the length encoding in
+ * the first two bytes of the second block.
+ *
+ * - the array should be big enough to hold the above
+ * fields, plus any padding to round this up to the
+ * nearest multiple of the block size (16 bytes).
+ * Padding will be added by the implementation.
+ *
+ * Finally, for GCM (@ref RTE_CRYPTO_AUTH_AES_GCM), the
+ * caller should setup this field as follows:
+ *
+ * - the AAD is written in starting at byte 0
+ * - the array must be big enough to hold the AAD, plus
+ * any space to round this up to the nearest multiple
+ * of the block size (16 bytes).
+ *
+ */
+ phys_addr_t phys_addr; /**< physical address */
+ } aad;
+ /**< Additional authentication parameters */
+ } auth;
+ };
+ };
};