[dpdk-dev] [PATCH 1/3] cryptodev: modify some field sizes
Pablo de Lara
pablo.de.lara.guarch at intel.com
Mon Jul 17 10:29:51 CEST 2017
Crypto keys and digests are not expected
to be big, so using a uint16_t to store
their lengths should be enough.
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>
---
doc/guides/rel_notes/release_17_08.rst | 2 ++
lib/librte_cryptodev/rte_crypto_sym.h | 8 ++++----
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/doc/guides/rel_notes/release_17_08.rst b/doc/guides/rel_notes/release_17_08.rst
index c6281eb..27453a3 100644
--- a/doc/guides/rel_notes/release_17_08.rst
+++ b/doc/guides/rel_notes/release_17_08.rst
@@ -313,6 +313,7 @@ ABI Changes
* **Reorganized the ``rte_crypto_sym_cipher_xform`` structure.**
* Added cipher IV length and offset parameters.
+ * Changed field size of key length from size_t to uint16_t.
* **Reorganized the ``rte_crypto_sym_auth_xform`` structure.**
@@ -320,6 +321,7 @@ ABI Changes
* Changed field size of AAD length from uint32_t to uint16_t.
* Changed field size of digest length from uint32_t to uint16_t.
* Removed AAD length.
+ * Changed field size of key length from size_t to uint16_t.
* Replaced ``dev_type`` enumeration with uint8_t ``driver_id`` in
``rte_cryptodev_info`` and ``rte_cryptodev`` structures.
diff --git a/lib/librte_cryptodev/rte_crypto_sym.h b/lib/librte_cryptodev/rte_crypto_sym.h
index f9955a4..27439af 100644
--- a/lib/librte_cryptodev/rte_crypto_sym.h
+++ b/lib/librte_cryptodev/rte_crypto_sym.h
@@ -143,7 +143,7 @@ struct rte_crypto_cipher_xform {
struct {
uint8_t *data; /**< pointer to key data */
- size_t length; /**< key length in bytes */
+ uint16_t length;/**< key length in bytes */
} key;
/**< Cipher key
*
@@ -306,7 +306,7 @@ struct rte_crypto_auth_xform {
struct {
uint8_t *data; /**< pointer to key data */
- size_t length; /**< key length in bytes */
+ uint16_t length;/**< key length in bytes */
} key;
/**< Authentication key data.
* The authentication key length MUST be less than or equal to the
@@ -389,7 +389,7 @@ struct rte_crypto_aead_xform {
struct {
uint8_t *data; /**< pointer to key data */
- size_t length; /**< key length in bytes */
+ uint16_t length;/**< key length in bytes */
} key;
struct {
@@ -424,7 +424,7 @@ struct rte_crypto_aead_xform {
*/
} iv; /**< Initialisation vector parameters */
- uint32_t digest_length;
+ uint16_t digest_length;
uint16_t add_auth_data_length;
/**< The length of the additional authenticated data (AAD) in bytes. */
--
2.9.4
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