Add support for auth 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>
---
drivers/crypto/cnxk/cnxk_cryptodev_ops.c | 13 +++
drivers/crypto/cnxk/cnxk_se.h | 194 +++++++++++++++++++++++++++++++
2 files changed, 207 insertions(+)
@@ -460,6 +460,12 @@ sym_session_configure(struct roc_cpt *roc_cpt, int driver_id,
case CNXK_CPT_CIPHER:
ret = fill_sess_cipher(xform, sess_priv);
break;
+ case CNXK_CPT_AUTH:
+ if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC)
+ ret = fill_sess_gmac(xform, sess_priv);
+ else
+ ret = fill_sess_auth(xform, sess_priv);
+ break;
default:
ret = -1;
}
@@ -467,6 +473,13 @@ sym_session_configure(struct roc_cpt *roc_cpt, int driver_id,
if (ret)
goto priv_put;
+ if ((sess_priv->roc_se_ctx.fc_type == ROC_SE_HASH_HMAC) &&
+ cpt_mac_len_verify(&xform->auth)) {
+ plt_dp_err("MAC length is not supported");
+ ret = -ENOTSUP;
+ goto priv_put;
+ }
+
sess_priv->cpt_inst_w7 = cnxk_cpt_inst_w7_get(sess_priv, roc_cpt);
set_sym_session_private_data(sess, driver_id, sess_priv);
@@ -29,6 +29,48 @@ struct cnxk_se_sess {
} __rte_cache_aligned;
static __rte_always_inline int
+cpt_mac_len_verify(struct rte_crypto_auth_xform *auth)
+{
+ uint16_t mac_len = auth->digest_length;
+ int ret;
+
+ switch (auth->algo) {
+ case RTE_CRYPTO_AUTH_MD5:
+ case RTE_CRYPTO_AUTH_MD5_HMAC:
+ ret = (mac_len == 16) ? 0 : -1;
+ break;
+ case RTE_CRYPTO_AUTH_SHA1:
+ case RTE_CRYPTO_AUTH_SHA1_HMAC:
+ ret = (mac_len == 20) ? 0 : -1;
+ break;
+ case RTE_CRYPTO_AUTH_SHA224:
+ case RTE_CRYPTO_AUTH_SHA224_HMAC:
+ ret = (mac_len == 28) ? 0 : -1;
+ break;
+ case RTE_CRYPTO_AUTH_SHA256:
+ case RTE_CRYPTO_AUTH_SHA256_HMAC:
+ ret = (mac_len == 32) ? 0 : -1;
+ break;
+ case RTE_CRYPTO_AUTH_SHA384:
+ case RTE_CRYPTO_AUTH_SHA384_HMAC:
+ ret = (mac_len == 48) ? 0 : -1;
+ break;
+ case RTE_CRYPTO_AUTH_SHA512:
+ case RTE_CRYPTO_AUTH_SHA512_HMAC:
+ ret = (mac_len == 64) ? 0 : -1;
+ break;
+ case RTE_CRYPTO_AUTH_NULL:
+ ret = 0;
+ break;
+ default:
+ ret = -1;
+ }
+
+ return ret;
+}
+
+
+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;
@@ -134,4 +176,156 @@ fill_sess_cipher(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess)
return 0;
}
+
+static __rte_always_inline int
+fill_sess_auth(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess)
+{
+ struct rte_crypto_auth_xform *a_form;
+ roc_se_auth_type auth_type = 0; /* NULL Auth type */
+ uint8_t zsk_flag = 0, aes_gcm = 0, is_null = 0;
+
+ if (xform->next != NULL &&
+ xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
+ xform->next->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
+ /* Perform auth followed by encryption */
+ sess->roc_se_ctx.template_w4.s.opcode_minor =
+ ROC_SE_FC_MINOR_OP_HMAC_FIRST;
+ }
+
+ a_form = &xform->auth;
+
+ if (a_form->op == RTE_CRYPTO_AUTH_OP_VERIFY)
+ sess->cpt_op |= ROC_SE_OP_AUTH_VERIFY;
+ else if (a_form->op == RTE_CRYPTO_AUTH_OP_GENERATE)
+ sess->cpt_op |= ROC_SE_OP_AUTH_GENERATE;
+ else {
+ plt_dp_err("Unknown auth operation");
+ return -1;
+ }
+
+ switch (a_form->algo) {
+ case RTE_CRYPTO_AUTH_SHA1_HMAC:
+ /* Fall through */
+ case RTE_CRYPTO_AUTH_SHA1:
+ auth_type = ROC_SE_SHA1_TYPE;
+ break;
+ case RTE_CRYPTO_AUTH_SHA256_HMAC:
+ case RTE_CRYPTO_AUTH_SHA256:
+ auth_type = ROC_SE_SHA2_SHA256;
+ break;
+ case RTE_CRYPTO_AUTH_SHA512_HMAC:
+ case RTE_CRYPTO_AUTH_SHA512:
+ auth_type = ROC_SE_SHA2_SHA512;
+ break;
+ case RTE_CRYPTO_AUTH_AES_GMAC:
+ auth_type = ROC_SE_GMAC_TYPE;
+ aes_gcm = 1;
+ break;
+ case RTE_CRYPTO_AUTH_SHA224_HMAC:
+ case RTE_CRYPTO_AUTH_SHA224:
+ auth_type = ROC_SE_SHA2_SHA224;
+ break;
+ case RTE_CRYPTO_AUTH_SHA384_HMAC:
+ case RTE_CRYPTO_AUTH_SHA384:
+ auth_type = ROC_SE_SHA2_SHA384;
+ break;
+ case RTE_CRYPTO_AUTH_MD5_HMAC:
+ case RTE_CRYPTO_AUTH_MD5:
+ auth_type = ROC_SE_MD5_TYPE;
+ break;
+ case RTE_CRYPTO_AUTH_KASUMI_F9:
+ auth_type = ROC_SE_KASUMI_F9_ECB;
+ /*
+ * Indicate that direction needs to be taken out
+ * from end of src
+ */
+ zsk_flag = ROC_SE_K_F9;
+ break;
+ case RTE_CRYPTO_AUTH_SNOW3G_UIA2:
+ auth_type = ROC_SE_SNOW3G_UIA2;
+ zsk_flag = ROC_SE_ZS_IA;
+ break;
+ case RTE_CRYPTO_AUTH_ZUC_EIA3:
+ auth_type = ROC_SE_ZUC_EIA3;
+ zsk_flag = ROC_SE_ZS_IA;
+ break;
+ case RTE_CRYPTO_AUTH_NULL:
+ auth_type = 0;
+ is_null = 1;
+ break;
+ case RTE_CRYPTO_AUTH_AES_XCBC_MAC:
+ case RTE_CRYPTO_AUTH_AES_CMAC:
+ case RTE_CRYPTO_AUTH_AES_CBC_MAC:
+ plt_dp_err("Crypto: Unsupported hash algo %u", a_form->algo);
+ return -1;
+ default:
+ plt_dp_err("Crypto: Undefined Hash algo %u specified",
+ a_form->algo);
+ return -1;
+ }
+
+ sess->zsk_flag = zsk_flag;
+ sess->aes_gcm = aes_gcm;
+ sess->mac_len = a_form->digest_length;
+ sess->is_null = is_null;
+ if (zsk_flag) {
+ sess->auth_iv_offset = a_form->iv.offset;
+ sess->auth_iv_length = a_form->iv.length;
+ }
+ if (unlikely(roc_se_auth_key_set(&sess->roc_se_ctx, auth_type,
+ a_form->key.data, a_form->key.length,
+ a_form->digest_length)))
+ return -1;
+
+ return 0;
+}
+
+static __rte_always_inline int
+fill_sess_gmac(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess)
+{
+ struct rte_crypto_auth_xform *a_form;
+ roc_se_cipher_type enc_type = 0; /* NULL Cipher type */
+ roc_se_auth_type auth_type = 0; /* NULL Auth type */
+
+ a_form = &xform->auth;
+
+ if (a_form->op == RTE_CRYPTO_AUTH_OP_GENERATE)
+ sess->cpt_op |= ROC_SE_OP_ENCODE;
+ else if (a_form->op == RTE_CRYPTO_AUTH_OP_VERIFY)
+ sess->cpt_op |= ROC_SE_OP_DECODE;
+ else {
+ plt_dp_err("Unknown auth operation");
+ return -1;
+ }
+
+ switch (a_form->algo) {
+ case RTE_CRYPTO_AUTH_AES_GMAC:
+ enc_type = ROC_SE_AES_GCM;
+ auth_type = ROC_SE_GMAC_TYPE;
+ break;
+ default:
+ plt_dp_err("Crypto: Undefined cipher algo %u specified",
+ a_form->algo);
+ return -1;
+ }
+
+ sess->zsk_flag = 0;
+ sess->aes_gcm = 0;
+ sess->is_gmac = 1;
+ sess->iv_offset = a_form->iv.offset;
+ sess->iv_length = a_form->iv.length;
+ sess->mac_len = a_form->digest_length;
+
+ if (unlikely(roc_se_ciph_key_set(&sess->roc_se_ctx, enc_type,
+ a_form->key.data, a_form->key.length,
+ NULL)))
+ return -1;
+
+ if (unlikely(roc_se_auth_key_set(&sess->roc_se_ctx, auth_type, NULL, 0,
+ a_form->digest_length)))
+ return -1;
+
+ return 0;
+}
+
#endif /*_CNXK_SE_H_ */