/*-
*
- * Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
+ * Copyright(c) 2015-2017 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#define CDEV_PMD_TRACE(...) (void)0
#endif
+/**
+ * Crypto parameters range description
+ */
+struct rte_crypto_param_range {
+ uint16_t min; /**< minimum size */
+ uint16_t max; /**< maximum size */
+ uint16_t increment;
+ /**< if a range of sizes are supported,
+ * this parameter is used to indicate
+ * increments in byte size that are supported
+ * between the minimum and maximum
+ */
+};
+
/**
* Symmetric Crypto Capability
*/
/**< authentication algorithm */
uint16_t block_size;
/**< algorithm block size */
- struct {
- uint16_t min; /**< minimum key size */
- uint16_t max; /**< maximum key size */
- uint16_t increment;
- /**< if a range of sizes are supported,
- * this parameter is used to indicate
- * increments in byte size that are supported
- * between the minimum and maximum */
- } key_size;
+ struct rte_crypto_param_range key_size;
/**< auth key size range */
- struct {
- uint16_t min; /**< minimum digest size */
- uint16_t max; /**< maximum digest size */
- uint16_t increment;
- /**< if a range of sizes are supported,
- * this parameter is used to indicate
- * increments in byte size that are supported
- * between the minimum and maximum */
- } digest_size;
+ struct rte_crypto_param_range digest_size;
/**< digest size range */
- struct {
- uint16_t min; /**< minimum aad size */
- uint16_t max; /**< maximum aad size */
- uint16_t increment;
- /**< if a range of sizes are supported,
- * this parameter is used to indicate
- * increments in byte size that are supported
- * between the minimum and maximum */
- } aad_size;
+ struct rte_crypto_param_range aad_size;
/**< Additional authentication data size range */
} auth;
/**< Symmetric Authentication transform capabilities */
/**< cipher algorithm */
uint16_t block_size;
/**< algorithm block size */
- struct {
- uint16_t min; /**< minimum key size */
- uint16_t max; /**< maximum key size */
- uint16_t increment;
- /**< if a range of sizes are supported,
- * this parameter is used to indicate
- * increments in byte size that are supported
- * between the minimum and maximum */
- } key_size;
+ struct rte_crypto_param_range key_size;
/**< cipher key size range */
- struct {
- uint16_t min; /**< minimum iv size */
- uint16_t max; /**< maximum iv size */
- uint16_t increment;
- /**< if a range of sizes are supported,
- * this parameter is used to indicate
- * increments in byte size that are supported
- * between the minimum and maximum */
- } iv_size;
+ struct rte_crypto_param_range iv_size;
/**< Initialisation vector data size range */
} cipher;
/**< Symmetric Cipher transform capabilities */
};
};
+/** Structure used to describe crypto algorithms */
+struct rte_cryptodev_sym_capability_idx {
+ enum rte_crypto_sym_xform_type type;
+ union {
+ enum rte_crypto_cipher_algorithm cipher;
+ enum rte_crypto_auth_algorithm auth;
+ } algo;
+};
+
+/**
+ * Provide capabilities available for defined device and algorithm
+ *
+ * @param dev_id The identifier of the device.
+ * @param idx Description of crypto algorithms.
+ *
+ * @return
+ * - Return description of the symmetric crypto capability if exist.
+ * - Return NULL if the capability not exist.
+ */
+const struct rte_cryptodev_symmetric_capability *
+rte_cryptodev_sym_capability_get(uint8_t dev_id,
+ const struct rte_cryptodev_sym_capability_idx *idx);
+
+/**
+ * Check if key size and initial vector are supported
+ * in crypto cipher capability
+ *
+ * @param capability Description of the symmetric crypto capability.
+ * @param key_size Cipher key size.
+ * @param iv_size Cipher initial vector size.
+ *
+ * @return
+ * - Return 0 if the parameters are in range of the capability.
+ * - Return -1 if the parameters are out of range of the capability.
+ */
+int
+rte_cryptodev_sym_capability_check_cipher(
+ const struct rte_cryptodev_symmetric_capability *capability,
+ uint16_t key_size, uint16_t iv_size);
+
+/**
+ * Check if key size and initial vector are supported
+ * in crypto auth capability
+ *
+ * @param capability Description of the symmetric crypto capability.
+ * @param key_size Auth key size.
+ * @param digest_size Auth digest size.
+ * @param aad_size Auth aad size.
+ *
+ * @return
+ * - Return 0 if the parameters are in range of the capability.
+ * - Return -1 if the parameters are out of range of the capability.
+ */
+int
+rte_cryptodev_sym_capability_check_auth(
+ const struct rte_cryptodev_symmetric_capability *capability,
+ uint16_t key_size, uint16_t digest_size, uint16_t aad_size);
+
+/**
+ * Provide the cipher algorithm enum, given an algorithm string
+ *
+ * @param algo_enum A pointer to the cipher algorithm
+ * enum to be filled
+ * @param algo_string Authentication algo string
+ *
+ * @return
+ * - Return -1 if string is not valid
+ * - Return 0 is the string is valid
+ */
+int
+rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
+ const char *algo_string);
+
+/**
+ * Provide the authentication algorithm enum, given an algorithm string
+ *
+ * @param algo_enum A pointer to the authentication algorithm
+ * enum to be filled
+ * @param algo_string Authentication algo string
+ *
+ * @return
+ * - Return -1 if string is not valid
+ * - Return 0 is the string is valid
+ */
+int
+rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
+ const char *algo_string);
+
/** Macro used at end of crypto PMD list */
#define RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST() \
{ RTE_CRYPTO_OP_TYPE_UNDEFINED }
/**< Utilises ARM CPU Cryptographic Extensions */
-
/**
* Get the name of a crypto device feature flag
*
extern uint8_t
rte_cryptodev_count(void);
+/**
+ * Get number of crypto device defined type.
+ *
+ * @param type type of device.
+ *
+ * @return
+ * Returns number of crypto device.
+ */
extern uint8_t
rte_cryptodev_count_devtype(enum rte_cryptodev_type type);
+
+/**
+ * Get number and identifiers of attached crypto device.
+ *
+ * @param dev_name device name.
+ * @param devices output devices identifiers.
+ * @param nb_devices maximal number of devices.
+ *
+ * @return
+ * Returns number of attached crypto device.
+ */
+uint8_t
+rte_cryptodev_devices_get(const char *dev_name, uint8_t *devices,
+ uint8_t nb_devices);
/*
* Return the NUMA socket to which a device is connected
*