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crypto/cnxk: add AEAD operation in session

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Add support for AEAD operations in session.

Signed-off-by: Ankur Dwivedi <adwivedi@marvell.com>
Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Signed-off-by: Archana Muniganti <marchana@marvell.com>
Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>
This commit is contained in:
Archana Muniganti 2021-06-25 11:26:21 +05:30 committed by Akhil Goyal
parent 685e289024
commit 2b9c742661
2 changed files with 67 additions and 0 deletions
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3
drivers/crypto/cnxk/cnxk_cryptodev_ops.c
View File

@ -466,6 +466,9 @@ sym_session_configure(struct roc_cpt *roc_cpt, int driver_id,
else
ret = fill_sess_auth(xform, sess_priv);
break;
case CNXK_CPT_AEAD:
ret = fill_sess_aead(xform, sess_priv);
break;
default:
ret = -1;
}

64
drivers/crypto/cnxk/cnxk_se.h
View File

@ -69,6 +69,70 @@ cpt_mac_len_verify(struct rte_crypto_auth_xform *auth)
return ret;
}
static __rte_always_inline int
fill_sess_aead(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess)
{
struct rte_crypto_aead_xform *aead_form;
roc_se_cipher_type enc_type = 0; /* NULL Cipher type */
roc_se_auth_type auth_type = 0; /* NULL Auth type */
uint32_t cipher_key_len = 0;
uint8_t aes_gcm = 0;
aead_form = &xform->aead;
if (aead_form->op == RTE_CRYPTO_AEAD_OP_ENCRYPT) {
sess->cpt_op |= ROC_SE_OP_CIPHER_ENCRYPT;
sess->cpt_op |= ROC_SE_OP_AUTH_GENERATE;
} else if (aead_form->op == RTE_CRYPTO_AEAD_OP_DECRYPT) {
sess->cpt_op |= ROC_SE_OP_CIPHER_DECRYPT;
sess->cpt_op |= ROC_SE_OP_AUTH_VERIFY;
} else {
plt_dp_err("Unknown aead operation\n");
return -1;
}
switch (aead_form->algo) {
case RTE_CRYPTO_AEAD_AES_GCM:
enc_type = ROC_SE_AES_GCM;
cipher_key_len = 16;
aes_gcm = 1;
break;
case RTE_CRYPTO_AEAD_AES_CCM:
plt_dp_err("Crypto: Unsupported cipher algo %u",
aead_form->algo);
return -1;
case RTE_CRYPTO_AEAD_CHACHA20_POLY1305:
enc_type = ROC_SE_CHACHA20;
auth_type = ROC_SE_POLY1305;
cipher_key_len = 32;
sess->chacha_poly = 1;
break;
default:
plt_dp_err("Crypto: Undefined cipher algo %u specified",
aead_form->algo);
return -1;
}
if (aead_form->key.length < cipher_key_len) {
plt_dp_err("Invalid cipher params keylen %u",
aead_form->key.length);
return -1;
}
sess->zsk_flag = 0;
sess->aes_gcm = aes_gcm;
sess->mac_len = aead_form->digest_length;
sess->iv_offset = aead_form->iv.offset;
sess->iv_length = aead_form->iv.length;
sess->aad_length = aead_form->aad_length;
if (unlikely(roc_se_ciph_key_set(&sess->roc_se_ctx, enc_type,
aead_form->key.data,
aead_form->key.length, NULL)))
return -1;
if (unlikely(roc_se_auth_key_set(&sess->roc_se_ctx, auth_type, NULL, 0,
aead_form->digest_length)))
return -1;
return 0;
}
static __rte_always_inline int
fill_sess_cipher(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess)