From: Archana Muniganti <march...@marvell.com>
Add support for AEAD operations in session.
Signed-off-by: Ankur Dwivedi <adwiv...@marvell.com>
Signed-off-by: Anoob Joseph <ano...@marvell.com>
Signed-off-by: Archana Muniganti <march...@marvell.com>
Signed-off-by: Tejasree Kondoj <ktejas...@marvell.com>
---
drivers/crypto/cnxk/cnxk_cryptodev_ops.c | 3 ++
drivers/crypto/cnxk/cnxk_se.h | 65 ++++++++++++++++++++++++++++++++
2 files changed, 68 insertions(+)
diff --git a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
index f060763..3cc3b4d 100644
--- a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
@@ -450,6 +450,9 @@ 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;
}
diff --git a/drivers/crypto/cnxk/cnxk_se.h b/drivers/crypto/cnxk/cnxk_se.h
index 2f406f6..c522d2e 100644
--- a/drivers/crypto/cnxk/cnxk_se.h
+++ b/drivers/crypto/cnxk/cnxk_se.h
@@ -438,6 +438,71 @@ cpt_fc_auth_set_key(struct roc_se_ctx *se_ctx,
roc_se_auth_type type,
}
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 {
+ CPT_LOG_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:
+ CPT_LOG_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:
+ CPT_LOG_DP_ERR("Crypto: Undefined cipher algo %u specified",
+ aead_form->algo);
+ return -1;
+ }
+ if (aead_form->key.length < cipher_key_len) {
+ CPT_LOG_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(cpt_fc_ciph_set_key(&sess->roc_se_ctx, enc_type,
+ aead_form->key.data,
+ aead_form->key.length, NULL)))
+ return -1;
+
+ if (unlikely(cpt_fc_auth_set_key(&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)
{
struct rte_crypto_cipher_xform *c_form;
--
2.7.4
