[dpdk-dev] [PATCH 1/2] crypto/qat: add ZUC EEA3 cipher capability
Arek Kusztal
arkadiuszx.kusztal at intel.com
Wed Mar 1 08:56:01 CET 2017
This commit adds ZUC EEA3 cipher capability to Intel(R) QuickAssist
Technology driver
Signed-off-by: Arek Kusztal <arkadiuszx.kusztal at intel.com>
---
doc/guides/cryptodevs/qat.rst | 2 +
drivers/crypto/qat/qat_adf/qat_algs.h | 11 ++-
drivers/crypto/qat/qat_adf/qat_algs_build_desc.c | 97 ++++++++++++++++++++----
drivers/crypto/qat/qat_crypto.c | 34 ++++++++-
4 files changed, 125 insertions(+), 19 deletions(-)
diff --git a/doc/guides/cryptodevs/qat.rst b/doc/guides/cryptodevs/qat.rst
index 9ecd19b..79b9c9d 100644
--- a/doc/guides/cryptodevs/qat.rst
+++ b/doc/guides/cryptodevs/qat.rst
@@ -55,6 +55,7 @@ Cipher algorithms:
* ``RTE_CRYPTO_CIPHER_NULL``
* ``RTE_CRYPTO_CIPHER_KASUMI_F8``
* ``RTE_CRYPTO_CIPHER_DES_CBC``
+* ``RTE_CRYPTO_CIPHER_ZUC_EEA3``
Hash algorithms:
@@ -79,6 +80,7 @@ Limitations
* SNOW 3G (UEA2) and KASUMI (F8) supported only if cipher length, cipher offset fields are byte-aligned.
* SNOW 3G (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.
+* ZUC EEA3 is not supported by dh895xcc devices
Installation
diff --git a/drivers/crypto/qat/qat_adf/qat_algs.h b/drivers/crypto/qat/qat_adf/qat_algs.h
index b9e3fd6..37f64d4 100644
--- a/drivers/crypto/qat/qat_adf/qat_algs.h
+++ b/drivers/crypto/qat/qat_adf/qat_algs.h
@@ -80,6 +80,14 @@ struct qat_alg_buf {
uint64_t addr;
} __rte_packed;
+enum qat_crypto_proto_flag {
+ QAT_CRYPTO_PROTO_FLAG_NONE = 0,
+ QAT_CRYPTO_PROTO_FLAG_CCM = 1,
+ QAT_CRYPTO_PROTO_FLAG_GCM = 2,
+ QAT_CRYPTO_PROTO_FLAG_SNOW3G = 3,
+ QAT_CRYPTO_PROTO_FLAG_ZUC = 4
+};
+
/*
* Maximum number of SGL entries
*/
@@ -143,7 +151,7 @@ int qat_alg_aead_session_create_content_desc_auth(struct qat_session *cdesc,
unsigned int operation);
void qat_alg_init_common_hdr(struct icp_qat_fw_comn_req_hdr *header,
- uint16_t proto);
+ enum qat_crypto_proto_flag proto_flags);
void qat_alg_ablkcipher_init_enc(struct qat_alg_ablkcipher_cd *cd,
int alg, const uint8_t *key,
@@ -158,4 +166,5 @@ 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);
int qat_alg_validate_3des_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
int qat_alg_validate_des_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
+int qat_alg_validate_zuc_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 fbeef0a..3831d19 100644
--- a/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
+++ b/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
@@ -422,7 +422,7 @@ static int qat_alg_do_precomputes(enum icp_qat_hw_auth_algo hash_alg,
}
void qat_alg_init_common_hdr(struct icp_qat_fw_comn_req_hdr *header,
- uint16_t proto)
+ enum qat_crypto_proto_flag proto_flags)
{
PMD_INIT_FUNC_TRACE();
header->hdr_flags =
@@ -435,14 +435,60 @@ void qat_alg_init_common_hdr(struct icp_qat_fw_comn_req_hdr *header,
ICP_QAT_FW_LA_PARTIAL_NONE);
ICP_QAT_FW_LA_CIPH_IV_FLD_FLAG_SET(header->serv_specif_flags,
ICP_QAT_FW_CIPH_IV_16BYTE_DATA);
- ICP_QAT_FW_LA_PROTO_SET(header->serv_specif_flags,
- proto);
+
+ switch (proto_flags) {
+ case QAT_CRYPTO_PROTO_FLAG_NONE:
+ ICP_QAT_FW_LA_PROTO_SET(header->serv_specif_flags,
+ ICP_QAT_FW_LA_NO_PROTO);
+ break;
+ case QAT_CRYPTO_PROTO_FLAG_CCM:
+ ICP_QAT_FW_LA_PROTO_SET(header->serv_specif_flags,
+ ICP_QAT_FW_LA_CCM_PROTO);
+ break;
+ case QAT_CRYPTO_PROTO_FLAG_GCM:
+ ICP_QAT_FW_LA_PROTO_SET(header->serv_specif_flags,
+ ICP_QAT_FW_LA_GCM_PROTO);
+ break;
+ case QAT_CRYPTO_PROTO_FLAG_SNOW3G:
+ ICP_QAT_FW_LA_PROTO_SET(header->serv_specif_flags,
+ ICP_QAT_FW_LA_SNOW_3G_PROTO);
+ break;
+ case QAT_CRYPTO_PROTO_FLAG_ZUC:
+ ICP_QAT_FW_LA_ZUC_3G_PROTO_FLAG_SET(header->serv_specif_flags,
+ ICP_QAT_FW_LA_ZUC_3G_PROTO);
+ break;
+ }
+
ICP_QAT_FW_LA_UPDATE_STATE_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_NO_UPDATE_STATE);
ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(header->serv_specif_flags,
ICP_QAT_FW_LA_NO_DIGEST_IN_BUFFER);
}
+/*
+ * Snow3G and ZUC should never use this function
+ * and set its protocol flag in both cipher and auth part of content
+ * descriptor building function
+ */
+static enum qat_crypto_proto_flag
+qat_get_crypto_proto_flag(uint16_t flags)
+{
+ int proto = ICP_QAT_FW_LA_PROTO_GET(flags);
+ enum qat_crypto_proto_flag qat_proto_flag =
+ QAT_CRYPTO_PROTO_FLAG_NONE;
+
+ switch (proto) {
+ case ICP_QAT_FW_LA_GCM_PROTO:
+ qat_proto_flag = QAT_CRYPTO_PROTO_FLAG_GCM;
+ break;
+ case ICP_QAT_FW_LA_CCM_PROTO:
+ qat_proto_flag = QAT_CRYPTO_PROTO_FLAG_CCM;
+ break;
+ }
+
+ return qat_proto_flag;
+}
+
int qat_alg_aead_session_create_content_desc_cipher(struct qat_session *cdesc,
uint8_t *cipherkey,
uint32_t cipherkeylen)
@@ -455,8 +501,9 @@ int qat_alg_aead_session_create_content_desc_cipher(struct qat_session *cdesc,
struct icp_qat_fw_cipher_cd_ctrl_hdr *cipher_cd_ctrl = ptr;
struct icp_qat_fw_auth_cd_ctrl_hdr *hash_cd_ctrl = ptr;
enum icp_qat_hw_cipher_convert key_convert;
+ enum qat_crypto_proto_flag qat_proto_flag =
+ QAT_CRYPTO_PROTO_FLAG_NONE;
uint32_t total_key_size;
- uint16_t proto = ICP_QAT_FW_LA_NO_PROTO; /* no CCM/GCM/SNOW 3G */
uint16_t cipher_offset, cd_size;
uint32_t wordIndex = 0;
uint32_t *temp_key = NULL;
@@ -496,7 +543,8 @@ int qat_alg_aead_session_create_content_desc_cipher(struct qat_session *cdesc,
*/
cdesc->qat_dir = ICP_QAT_HW_CIPHER_ENCRYPT;
key_convert = ICP_QAT_HW_CIPHER_NO_CONVERT;
- } else if (cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_SNOW_3G_UEA2)
+ } else if (cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_SNOW_3G_UEA2
+ || cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_ZUC_3G_128_EEA3)
key_convert = ICP_QAT_HW_CIPHER_KEY_CONVERT;
else if (cdesc->qat_dir == ICP_QAT_HW_CIPHER_ENCRYPT)
key_convert = ICP_QAT_HW_CIPHER_NO_CONVERT;
@@ -508,7 +556,8 @@ int qat_alg_aead_session_create_content_desc_cipher(struct qat_session *cdesc,
ICP_QAT_HW_SNOW_3G_UEA2_IV_SZ;
cipher_cd_ctrl->cipher_state_sz =
ICP_QAT_HW_SNOW_3G_UEA2_IV_SZ >> 3;
- proto = ICP_QAT_FW_LA_SNOW_3G_PROTO;
+ qat_proto_flag = QAT_CRYPTO_PROTO_FLAG_SNOW3G;
+
} 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;
@@ -517,25 +566,30 @@ int qat_alg_aead_session_create_content_desc_cipher(struct qat_session *cdesc,
} else if (cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_3DES) {
total_key_size = ICP_QAT_HW_3DES_KEY_SZ;
cipher_cd_ctrl->cipher_state_sz = ICP_QAT_HW_3DES_BLK_SZ >> 3;
- proto = ICP_QAT_FW_LA_PROTO_GET(header->serv_specif_flags);
+ qat_proto_flag = qat_get_crypto_proto_flag(header->serv_specif_flags);
} else if (cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_DES) {
total_key_size = ICP_QAT_HW_DES_KEY_SZ;
cipher_cd_ctrl->cipher_state_sz = ICP_QAT_HW_DES_BLK_SZ >> 3;
- proto = ICP_QAT_FW_LA_PROTO_GET(header->serv_specif_flags);
+ qat_proto_flag = qat_get_crypto_proto_flag(header->serv_specif_flags);
+ } else if (cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_ZUC_3G_128_EEA3) {
+ total_key_size = ICP_QAT_HW_ZUC_3G_EEA3_KEY_SZ +
+ ICP_QAT_HW_ZUC_3G_EEA3_IV_SZ;
+ cipher_cd_ctrl->cipher_state_sz =
+ ICP_QAT_HW_ZUC_3G_EEA3_IV_SZ >> 3;
+ qat_proto_flag = QAT_CRYPTO_PROTO_FLAG_ZUC;
} else {
total_key_size = cipherkeylen;
cipher_cd_ctrl->cipher_state_sz = ICP_QAT_HW_AES_BLK_SZ >> 3;
- proto = ICP_QAT_FW_LA_PROTO_GET(header->serv_specif_flags);
+ qat_proto_flag = qat_get_crypto_proto_flag(header->serv_specif_flags);
}
cipher_cd_ctrl->cipher_key_sz = total_key_size >> 3;
cipher_offset = cdesc->cd_cur_ptr-((uint8_t *)&cdesc->cd);
cipher_cd_ctrl->cipher_cfg_offset = cipher_offset >> 3;
header->service_cmd_id = cdesc->qat_cmd;
- qat_alg_init_common_hdr(header, proto);
+ qat_alg_init_common_hdr(header, qat_proto_flag);
cipher = (struct icp_qat_hw_cipher_algo_blk *)cdesc->cd_cur_ptr;
-
cipher->cipher_config.val =
ICP_QAT_HW_CIPHER_CONFIG_BUILD(cdesc->qat_mode,
cdesc->qat_cipher_alg, key_convert,
@@ -596,12 +650,13 @@ int qat_alg_aead_session_create_content_desc_auth(struct qat_session *cdesc,
(struct icp_qat_fw_la_auth_req_params *)
((char *)&req_tmpl->serv_specif_rqpars +
sizeof(struct icp_qat_fw_la_cipher_req_params));
- uint16_t proto = ICP_QAT_FW_LA_NO_PROTO; /* no CCM/GCM/SNOW 3G */
uint16_t state1_size = 0, state2_size = 0;
uint16_t hash_offset, cd_size;
uint32_t *aad_len = NULL;
uint32_t wordIndex = 0;
uint32_t *pTempKey;
+ enum qat_crypto_proto_flag qat_proto_flag =
+ QAT_CRYPTO_PROTO_FLAG_NONE;
PMD_INIT_FUNC_TRACE();
@@ -714,7 +769,7 @@ int qat_alg_aead_session_create_content_desc_auth(struct qat_session *cdesc,
break;
case ICP_QAT_HW_AUTH_ALGO_GALOIS_128:
case ICP_QAT_HW_AUTH_ALGO_GALOIS_64:
- proto = ICP_QAT_FW_LA_GCM_PROTO;
+ qat_proto_flag = QAT_CRYPTO_PROTO_FLAG_GCM;
state1_size = ICP_QAT_HW_GALOIS_128_STATE1_SZ;
if (qat_alg_do_precomputes(cdesc->qat_hash_alg,
authkey, authkeylen, cdesc->cd_cur_ptr + state1_size,
@@ -736,7 +791,7 @@ int qat_alg_aead_session_create_content_desc_auth(struct qat_session *cdesc,
*aad_len = rte_bswap32(add_auth_data_length);
break;
case ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2:
- proto = ICP_QAT_FW_LA_SNOW_3G_PROTO;
+ qat_proto_flag = QAT_CRYPTO_PROTO_FLAG_SNOW3G;
state1_size = qat_hash_get_state1_size(
ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2);
state2_size = ICP_QAT_HW_SNOW_3G_UIA2_STATE2_SZ;
@@ -794,7 +849,7 @@ int qat_alg_aead_session_create_content_desc_auth(struct qat_session *cdesc,
}
/* Request template setup */
- qat_alg_init_common_hdr(header, proto);
+ qat_alg_init_common_hdr(header, qat_proto_flag);
header->service_cmd_id = cdesc->qat_cmd;
/* Auth CD config setup */
@@ -886,3 +941,15 @@ int qat_alg_validate_3des_key(int key_len, enum icp_qat_hw_cipher_algo *alg)
}
return 0;
}
+
+int qat_alg_validate_zuc_key(int key_len, enum icp_qat_hw_cipher_algo *alg)
+{
+ switch (key_len) {
+ case ICP_QAT_HW_ZUC_3G_EEA3_KEY_SZ:
+ *alg = ICP_QAT_HW_CIPHER_ALGO_ZUC_3G_128_EEA3;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
diff --git a/drivers/crypto/qat/qat_crypto.c b/drivers/crypto/qat/qat_crypto.c
index 43e1d00..fff51c8 100644
--- a/drivers/crypto/qat/qat_crypto.c
+++ b/drivers/crypto/qat/qat_crypto.c
@@ -516,6 +516,26 @@ static const struct rte_cryptodev_capabilities qat_pmd_capabilities[] = {
}, }
}, }
},
+ { /* ZUC (EEA3) */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+ {.cipher = {
+ .algo = RTE_CRYPTO_CIPHER_ZUC_EEA3,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ },
+ .iv_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
};
@@ -674,13 +694,20 @@ qat_crypto_sym_configure_session_cipher(struct rte_cryptodev *dev,
}
session->qat_mode = ICP_QAT_HW_CIPHER_CTR_MODE;
break;
+ case RTE_CRYPTO_CIPHER_ZUC_EEA3:
+ if (qat_alg_validate_zuc_key(cipher_xform->key.length,
+ &session->qat_cipher_alg) != 0) {
+ PMD_DRV_LOG(ERR, "Invalid ZUC cipher key size");
+ goto error_out;
+ }
+ session->qat_mode = ICP_QAT_HW_CIPHER_ECB_MODE;
+ break;
case RTE_CRYPTO_CIPHER_3DES_ECB:
case RTE_CRYPTO_CIPHER_AES_ECB:
case RTE_CRYPTO_CIPHER_AES_CCM:
case RTE_CRYPTO_CIPHER_AES_F8:
case RTE_CRYPTO_CIPHER_AES_XTS:
case RTE_CRYPTO_CIPHER_ARC4:
- case RTE_CRYPTO_CIPHER_ZUC_EEA3:
PMD_DRV_LOG(ERR, "Crypto QAT PMD: Unsupported Cipher alg %u",
cipher_xform->algo);
goto error_out;
@@ -1085,14 +1112,15 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg,
if (ctx->qat_cipher_alg ==
ICP_QAT_HW_CIPHER_ALGO_SNOW_3G_UEA2 ||
- ctx->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_KASUMI) {
+ ctx->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_KASUMI ||
+ ctx->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_ZUC_3G_128_EEA3) {
if (unlikely(
(cipher_param->cipher_length % BYTE_LENGTH != 0)
|| (cipher_param->cipher_offset
% BYTE_LENGTH != 0))) {
PMD_DRV_LOG(ERR,
- "SNOW3G/KASUMI in QAT PMD only supports byte aligned values");
+ "SNOW3G/KASUMI/ZUC in QAT PMD only supports byte aligned values");
op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
return -EINVAL;
}
--
2.7.4
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