[dpdk-dev] [PATCH v2 2/4] cryptodev: add algorithm string parsers
Pablo de Lara
pablo.de.lara.guarch at intel.com
Mon Feb 27 15:38:44 CET 2017
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 at intel.com>
Acked-by: Fiona Trahe <fiona.trahe at intel.com>
Acked-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---
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
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