From: Deepak Kumar JAIN <deepak.k.j...@intel.com>
This patch enables the support of Kasumi F8
for Intel Quick Assist Technology.
Signed-off-by: Deepak Kumar Jain <deepak.k.jain at intel.com>
---
doc/guides/cryptodevs/qat.rst | 5 +--
drivers/crypto/qat/qat_adf/qat_algs.h | 3 +-
drivers/crypto/qat/qat_adf/qat_algs_build_desc.c | 44 +++++++++++++++++++++---
drivers/crypto/qat/qat_crypto.c | 39 +++++++++++++++++++--
4 files changed, 81 insertions(+), 10 deletions(-)
diff --git a/doc/guides/cryptodevs/qat.rst b/doc/guides/cryptodevs/qat.rst
index 6b73d95..0502483 100644
--- a/doc/guides/cryptodevs/qat.rst
+++ b/doc/guides/cryptodevs/qat.rst
@@ -51,6 +51,7 @@ Cipher algorithms:
* ``RTE_CRYPTO_SYM_CIPHER_SNOW3G_UEA2``
* ``RTE_CRYPTO_CIPHER_AES_GCM``
* ``RTE_CRYPTO_CIPHER_NULL``
+* ``RTE_CRYPTO_CIPHER_KASUMI_F8``
Hash algorithms:
@@ -70,10 +71,10 @@ Limitations
* Chained mbufs are not supported.
* Hash only is not supported except Snow3G UIA2 and KASUMI F9.
-* Cipher only is not supported except Snow3G UEA2.
+* Cipher only is not supported except Snow3G UEA2 and KASUMI F8.
* Only supports the session-oriented API implementation (session-less APIs are
not supported).
* Not performance tuned.
-* Snow3g(UEA2) supported only if cipher length, cipher offset fields are
byte-aligned.
+* Snow3g(UEA2) and KAUSMI(F8) supported only if cipher length, cipher offset
fields are byte-aligned.
* Snow3g(UIA2) and KASUMI(F9) supported only if hash length, hash offset
fields are byte-aligned.
* No BSD support as BSD QAT kernel driver not available.
diff --git a/drivers/crypto/qat/qat_adf/qat_algs.h
b/drivers/crypto/qat/qat_adf/qat_algs.h
index 0cc176f..fad8471 100644
--- a/drivers/crypto/qat/qat_adf/qat_algs.h
+++ b/drivers/crypto/qat/qat_adf/qat_algs.h
@@ -57,6 +57,7 @@
*/
#define KASUMI_F9_KEY_MODIFIER_4_BYTES 0xAAAAAAAA
+#define KASUMI_F8_KEY_MODIFIER_4_BYTES 0x55555555
#define QAT_AES_HW_CONFIG_CBC_ENC(alg) \
ICP_QAT_HW_CIPHER_CONFIG_BUILD(ICP_QAT_HW_CIPHER_CBC_MODE, alg, \
@@ -137,5 +138,5 @@ void qat_alg_ablkcipher_init_dec(struct
qat_alg_ablkcipher_cd *cd,
int qat_alg_validate_aes_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
int qat_alg_validate_snow3g_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
-
+int qat_alg_validate_kasumi_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
#endif
diff --git a/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
b/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
index 085a652..9d1df56 100644
--- a/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
+++ b/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
@@ -457,7 +457,8 @@ int qat_alg_aead_session_create_content_desc_cipher(struct
qat_session *cdesc,
uint32_t total_key_size;
uint16_t proto = ICP_QAT_FW_LA_NO_PROTO; /* no CCM/GCM/Snow3G */
uint16_t cipher_offset, cd_size;
-
+ uint32_t wordIndex = 0;
+ uint32_t *temp_key = NULL;
PMD_INIT_FUNC_TRACE();
if (cdesc->qat_cmd == ICP_QAT_FW_LA_CMD_CIPHER) {
@@ -507,6 +508,11 @@ int qat_alg_aead_session_create_content_desc_cipher(struct
qat_session *cdesc,
cipher_cd_ctrl->cipher_state_sz =
ICP_QAT_HW_SNOW_3G_UEA2_IV_SZ >> 3;
proto = ICP_QAT_FW_LA_SNOW_3G_PROTO;
+ } else if (cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_KASUMI) {
+ total_key_size = ICP_QAT_HW_KASUMI_F8_KEY_SZ;
+ cipher_cd_ctrl->cipher_state_sz = ICP_QAT_HW_KASUMI_BLK_SZ >> 3;
+ cipher_cd_ctrl->cipher_padding_sz =
+ (2 * ICP_QAT_HW_KASUMI_BLK_SZ) >> 3;
} else {
total_key_size = cipherkeylen;
cipher_cd_ctrl->cipher_state_sz = ICP_QAT_HW_AES_BLK_SZ >> 3;
@@ -524,9 +530,27 @@ int qat_alg_aead_session_create_content_desc_cipher(struct
qat_session *cdesc,
ICP_QAT_HW_CIPHER_CONFIG_BUILD(cdesc->qat_mode,
cdesc->qat_cipher_alg, key_convert,
cdesc->qat_dir);
- memcpy(cipher->aes.key, cipherkey, cipherkeylen);
- cdesc->cd_cur_ptr += sizeof(struct icp_qat_hw_cipher_config) +
- cipherkeylen;
+
+ if (cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_KASUMI) {
+ temp_key = (uint32_t *)(cdesc->cd_cur_ptr +
+ sizeof(struct icp_qat_hw_cipher_config)
+ + cipherkeylen);
+ memcpy(cipher->aes.key, cipherkey, cipherkeylen);
+ memcpy(temp_key, cipherkey, cipherkeylen);
+
+ /* XOR Key with KASUMI F8 key modifier at 4 bytes level */
+ for (wordIndex = 0; wordIndex < (cipherkeylen >> 2);
+ wordIndex++)
+ temp_key[wordIndex] ^= KASUMI_F8_KEY_MODIFIER_4_BYTES;
+
+ cdesc->cd_cur_ptr += sizeof(struct icp_qat_hw_cipher_config) +
+ cipherkeylen + cipherkeylen;
+ } else {
+ memcpy(cipher->aes.key, cipherkey, cipherkeylen);
+ cdesc->cd_cur_ptr += sizeof(struct icp_qat_hw_cipher_config) +
+ cipherkeylen;
+ }
+
if (total_key_size > cipherkeylen) {
uint32_t padding_size = total_key_size-cipherkeylen;
@@ -859,3 +883,15 @@ int qat_alg_validate_snow3g_key(int key_len, enum
icp_qat_hw_cipher_algo *alg)
}
return 0;
}
+
+int qat_alg_validate_kasumi_key(int key_len, enum icp_qat_hw_cipher_algo *alg)
+{
+ switch (key_len) {
+ case ICP_QAT_HW_KASUMI_KEY_SZ:
+ *alg = ICP_QAT_HW_CIPHER_ALGO_KASUMI;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
diff --git a/drivers/crypto/qat/qat_crypto.c b/drivers/crypto/qat/qat_crypto.c
index 1de95f1..1282312 100644
--- a/drivers/crypto/qat/qat_crypto.c
+++ b/drivers/crypto/qat/qat_crypto.c
@@ -324,6 +324,31 @@ static const struct rte_cryptodev_capabilities
qat_pmd_capabilities[] = {
}, }
}, }
},
+ { /* SNOW3G (UIA2) */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_KASUMI_F9,
+ .block_size = 8,
+ .key_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ },
+ .digest_size = {
+ .min = 4,
+ .max = 4,
+ .increment = 0
+ },
+ .aad_size = {
+ .min = 8,
+ .max = 8,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
};
@@ -449,11 +474,18 @@ qat_crypto_sym_configure_session_cipher(struct
rte_cryptodev *dev,
case RTE_CRYPTO_CIPHER_NULL:
session->qat_mode = ICP_QAT_HW_CIPHER_ECB_MODE;
break;
+ case RTE_CRYPTO_CIPHER_KASUMI_F8:
+ if (qat_alg_validate_kasumi_key(cipher_xform->key.length,
+ &session->qat_cipher_alg) != 0) {
+ PMD_DRV_LOG(ERR, "Invalid KASUMI cipher key size");
+ goto error_out;
+ }
+ session->qat_mode = ICP_QAT_HW_CIPHER_F8_MODE;
+ break;
case RTE_CRYPTO_CIPHER_3DES_ECB:
case RTE_CRYPTO_CIPHER_3DES_CBC:
case RTE_CRYPTO_CIPHER_AES_ECB:
case RTE_CRYPTO_CIPHER_AES_CCM:
- case RTE_CRYPTO_CIPHER_KASUMI_F8:
PMD_DRV_LOG(ERR, "Crypto: Unsupported Cipher alg %u",
cipher_xform->algo);
goto error_out;
@@ -796,11 +828,12 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t
*out_msg)
cipher_param->cipher_length = op->sym->cipher.data.length;
cipher_param->cipher_offset = op->sym->cipher.data.offset;
- if (ctx->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_SNOW_3G_UEA2) {
+ if (ctx->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_SNOW_3G_UEA2 ||
+ ctx->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_KASUMI) {
if (unlikely((cipher_param->cipher_length % BYTE_LENGTH != 0) ||
(cipher_param->cipher_offset
% BYTE_LENGTH != 0))) {
- PMD_DRV_LOG(ERR, " For Snow3g, QAT PMD only "
+ PMD_DRV_LOG(ERR, " For Snow3g/Kasumi, QAT PMD only "
"supports byte aligned values");
op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
return -EINVAL;
--
2.5.5
