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cryptodev: add algorithm string parsers

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Adds functions to get the cipher/authentication
algorithm enums, given a string. This is useful for applications
which gets the algorithm required from the user, to have a common
string-enum mapping.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
This commit is contained in:
Pablo de Lara 2017-02-27 14:38:44 +00:00
parent e26690f4fc
commit afe6050060
3 changed files with 72 additions and 0 deletions
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34
lib/librte_cryptodev/rte_cryptodev.c
View File

@ -187,6 +187,40 @@ rte_crypto_auth_algorithm_strings[] = {
[RTE_CRYPTO_AUTH_ZUC_EIA3] = "zuc-eia3"
};
int
rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
const char *algo_string)
{
unsigned int i;
for (i = 1; i < RTE_DIM(rte_crypto_cipher_algorithm_strings); i++) {
if (strcmp(algo_string, rte_crypto_cipher_algorithm_strings[i]) == 0) {
*algo_enum = (enum rte_crypto_cipher_algorithm) i;
return 0;
}
}
/* Invalid string */
return -1;
}
int
rte_cryptodev_get_auth_algo_enum(enum rte_crypto_auth_algorithm *algo_enum,
const char *algo_string)
{
unsigned int i;
for (i = 1; i < RTE_DIM(rte_crypto_auth_algorithm_strings); i++) {
if (strcmp(algo_string, rte_crypto_auth_algorithm_strings[i]) == 0) {
*algo_enum = (enum rte_crypto_auth_algorithm) i;
return 0;
}
}
/* Invalid string */
return -1;
}
/**
* The crypto auth operation strings identifiers.
* It could be used in application command line.

30
lib/librte_cryptodev/rte_cryptodev.h
View File

@ -234,6 +234,36 @@ 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 }

8
lib/librte_cryptodev/rte_cryptodev_version.map
View File

@ -64,3 +64,11 @@ DPDK_17.02 {
rte_crypto_cipher_operation_strings;
} DPDK_16.11;
DPDK_17.05 {
global:
rte_cryptodev_get_auth_algo_enum;
rte_cryptodev_get_cipher_algo_enum;
} DPDK_17.02;