diff options
Diffstat (limited to 'lib/librte_cryptodev/rte_crypto.h')
| -rw-r--r-- | lib/librte_cryptodev/rte_crypto.h | 82 |
1 files changed, 66 insertions, 16 deletions
diff --git a/lib/librte_cryptodev/rte_crypto.h b/lib/librte_cryptodev/rte_crypto.h index 95cf8615..fd5ef3a8 100644 --- a/lib/librte_cryptodev/rte_crypto.h +++ b/lib/librte_cryptodev/rte_crypto.h @@ -23,6 +23,7 @@ extern "C" { #include <rte_common.h> #include "rte_crypto_sym.h" +#include "rte_crypto_asym.h" /** Crypto operation types */ enum rte_crypto_op_type { @@ -30,6 +31,8 @@ enum rte_crypto_op_type { /**< Undefined operation type */ RTE_CRYPTO_OP_TYPE_SYMMETRIC, /**< Symmetric operation */ + RTE_CRYPTO_OP_TYPE_ASYMMETRIC + /**< Asymmetric operation */ }; /** Status of crypto operation */ @@ -73,20 +76,37 @@ enum rte_crypto_op_sess_type { * rte_cryptodev_enqueue_burst() / rte_cryptodev_dequeue_burst() . */ struct rte_crypto_op { - uint8_t type; - /**< operation type */ - uint8_t status; - /**< - * operation status - this is reset to - * RTE_CRYPTO_OP_STATUS_NOT_PROCESSED on allocation from mempool and - * will be set to RTE_CRYPTO_OP_STATUS_SUCCESS after crypto operation - * is successfully processed by a crypto PMD - */ - uint8_t sess_type; - /**< operation session type */ - - uint8_t reserved[5]; - /**< Reserved bytes to fill 64 bits for future additions */ + __extension__ + union { + uint64_t raw; + __extension__ + struct { + uint8_t type; + /**< operation type */ + uint8_t status; + /**< + * operation status - this is reset to + * RTE_CRYPTO_OP_STATUS_NOT_PROCESSED on allocation + * from mempool and will be set to + * RTE_CRYPTO_OP_STATUS_SUCCESS after crypto operation + * is successfully processed by a crypto PMD + */ + uint8_t sess_type; + /**< operation session type */ + uint8_t reserved[3]; + /**< Reserved bytes to fill 64 bits for + * future additions + */ + uint16_t private_data_offset; + /**< Offset to indicate start of private data (if any). + * The offset is counted from the start of the + * rte_crypto_op including IV. + * The private data may be used by the application + * to store information which should remain untouched + * in the library/driver + */ + }; + }; struct rte_mempool *mempool; /**< crypto operation mempool which operation is allocated from */ @@ -97,6 +117,10 @@ struct rte_crypto_op { union { struct rte_crypto_sym_op sym[0]; /**< Symmetric operation parameters */ + + struct rte_crypto_asym_op asym[0]; + /**< Asymmetric operation parameters */ + }; /**< operation specific parameters */ }; @@ -117,6 +141,9 @@ __rte_crypto_op_reset(struct rte_crypto_op *op, enum rte_crypto_op_type type) case RTE_CRYPTO_OP_TYPE_SYMMETRIC: __rte_crypto_sym_op_reset(op->sym); break; + case RTE_CRYPTO_OP_TYPE_ASYMMETRIC: + memset(op->asym, 0, sizeof(struct rte_crypto_asym_op)); + break; case RTE_CRYPTO_OP_TYPE_UNDEFINED: default: break; @@ -283,9 +310,14 @@ __rte_crypto_op_get_priv_data(struct rte_crypto_op *op, uint32_t size) if (likely(op->mempool != NULL)) { priv_size = __rte_crypto_op_get_priv_data_size(op->mempool); - if (likely(priv_size >= size)) - return (void *)((uint8_t *)(op + 1) + + if (likely(priv_size >= size)) { + if (op->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) + return (void *)((uint8_t *)(op + 1) + sizeof(struct rte_crypto_sym_op)); + if (op->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) + return (void *)((uint8_t *)(op + 1) + + sizeof(struct rte_crypto_asym_op)); + } } return NULL; @@ -388,6 +420,24 @@ rte_crypto_op_attach_sym_session(struct rte_crypto_op *op, return __rte_crypto_sym_op_attach_sym_session(op->sym, sess); } +/** + * Attach a asymmetric session to a crypto operation + * + * @param op crypto operation, must be of type asymmetric + * @param sess cryptodev session + */ +static inline int +rte_crypto_op_attach_asym_session(struct rte_crypto_op *op, + struct rte_cryptodev_asym_session *sess) +{ + if (unlikely(op->type != RTE_CRYPTO_OP_TYPE_ASYMMETRIC)) + return -1; + + op->sess_type = RTE_CRYPTO_OP_WITH_SESSION; + op->asym->session = sess; + return 0; +} + #ifdef __cplusplus } #endif |