[PATCH v2 2/4] cryptodev: add algorithm string parsers
From: Pablo de Lara <hidden>
Date: 2017-02-27 14:36:43
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
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 <redacted> Acked-by: Fiona Trahe <redacted> Acked-by: Hemant Agrawal <redacted> --- lib/librte_cryptodev/rte_cryptodev.c | 34 ++++++++++++++++++++++++++ lib/librte_cryptodev/rte_cryptodev.h | 30 +++++++++++++++++++++++ lib/librte_cryptodev/rte_cryptodev_version.map | 8 ++++++ 3 files changed, 72 insertions(+)
diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index fedb9d0..f15f65b 100644
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c@@ -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.
diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
index 82f3bc3..d61a43e 100644
--- a/lib/librte_cryptodev/rte_cryptodev.h
+++ b/lib/librte_cryptodev/rte_cryptodev.h@@ -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 }
diff --git a/lib/librte_cryptodev/rte_cryptodev_version.map b/lib/librte_cryptodev/rte_cryptodev_version.map
index 238bf13..831a15c 100644
--- a/lib/librte_cryptodev/rte_cryptodev_version.map
+++ b/lib/librte_cryptodev/rte_cryptodev_version.map@@ -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;
--
2.7.4