/*-
* BSD LICENSE
*
- * Copyright(c) 2016 Intel Corporation. All rights reserved.
+ * Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* - Each key can be either 128 bits (16 bytes) or 256 bits (32 bytes).
* - Both keys must have the same size.
**/
+ struct {
+ uint16_t offset;
+ /**< Starting point for Initialisation Vector or Counter,
+ * specified as number of bytes from start of crypto
+ * operation (rte_crypto_op).
+ *
+ * - 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.
+ */
+ 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 */
};
/** Symmetric Authentication / Hash Algorithms */
* This field must be specified when the hash algorithm is one of the
* following:
*
- * - For SNOW 3G (@ref RTE_CRYPTO_AUTH_SNOW3G_UIA2), this is the
- * length of the IV (which should be 16).
- *
* - For GCM (@ref RTE_CRYPTO_AUTH_AES_GCM). In this case, this is
* the length of the Additional Authenticated Data (called A, in NIST
* SP800-38D).
* of the AAD data is specified in additional authentication data
* length field of the rte_crypto_sym_op_data structure
*/
+
+ struct {
+ uint16_t offset;
+ /**< Starting point for Initialisation Vector or Counter,
+ * specified as number of bytes from start of crypto
+ * operation (rte_crypto_op).
+ *
+ * - For KASUMI in F9 mode, SNOW 3G in UIA2 mode,
+ * for ZUC in EIA3 mode and for AES-GMAC, this is the
+ * authentication Initialisation Vector (IV) value.
+ *
+ *
+ * For optimum performance, the data pointed to SHOULD
+ * be 8-byte aligned.
+ */
+ uint16_t length;
+ /**< Length of valid IV data.
+ *
+ * - For KASUMI in F9 mode, SNOW3G in UIA2 mode, for
+ * ZUC in EIA3 mode and for AES-GMAC, this is the length
+ * of the IV.
+ *
+ */
+ } iv; /**< Initialisation vector parameters */
};
/** Crypto transformation types */
};
};
-/**
- * Crypto operation session type. This is used to specify whether a crypto
- * operation has session structure attached for immutable parameters or if all
- * operation information is included in the operation data structure.
- */
-enum rte_crypto_sym_op_sess_type {
- RTE_CRYPTO_SYM_OP_WITH_SESSION, /**< Session based crypto operation */
- RTE_CRYPTO_SYM_OP_SESSIONLESS /**< Session-less crypto operation */
-};
-
-
struct rte_cryptodev_sym_session;
/**
struct rte_mbuf *m_src; /**< source mbuf */
struct rte_mbuf *m_dst; /**< destination mbuf */
- enum rte_crypto_sym_op_sess_type sess_type;
-
RTE_STD_C11
union {
struct rte_cryptodev_sym_session *session;
*/
} 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 {
uint8_t *data;
/**< Pointer to Additional Authenticated Data (AAD)
* needed for authenticated cipher mechanisms (CCM and
- * GCM), and to the IV for SNOW 3G authentication
- * (@ref RTE_CRYPTO_AUTH_SNOW3G_UIA2). For other
- * authentication mechanisms this pointer is ignored.
+ * GCM).
*
* The length of the data pointed to by this field is
* set up for the session in the @ref
} aad;
/**< Additional authentication parameters */
} auth;
-} __rte_cache_aligned;
+};
/**
__rte_crypto_sym_op_reset(struct rte_crypto_sym_op *op)
{
memset(op, 0, sizeof(*op));
-
- op->sess_type = RTE_CRYPTO_SYM_OP_SESSIONLESS;
}
struct rte_cryptodev_sym_session *sess)
{
sym_op->session = sess;
- sym_op->sess_type = RTE_CRYPTO_SYM_OP_WITH_SESSION;
return 0;
}
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