{
const struct rte_crypto_sym_xform *auth_xform;
const struct rte_crypto_sym_xform *aead_xform;
- uint16_t digest_length;
uint8_t key_length;
uint8_t *key;
if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
auth_xform = xform;
if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_AES_GMAC) {
- GCM_LOG_ERR("Only AES GMAC is supported as an "
- "authentication only algorithm");
+ AESNI_GCM_LOG(ERR, "Only AES GMAC is supported as an "
+ "authentication only algorithm");
return -ENOTSUP;
}
/* Set IV parameters */
key_length = auth_xform->auth.key.length;
key = auth_xform->auth.key.data;
- digest_length = auth_xform->auth.digest_length;
+ sess->req_digest_length = auth_xform->auth.digest_length;
/* AES-GCM */
} else if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
aead_xform = xform;
if (aead_xform->aead.algo != RTE_CRYPTO_AEAD_AES_GCM) {
- GCM_LOG_ERR("The only combined operation "
+ AESNI_GCM_LOG(ERR, "The only combined operation "
"supported is AES GCM");
return -ENOTSUP;
}
key = aead_xform->aead.key.data;
sess->aad_length = aead_xform->aead.aad_length;
- digest_length = aead_xform->aead.digest_length;
+ sess->req_digest_length = aead_xform->aead.digest_length;
} else {
- GCM_LOG_ERR("Wrong xform type, has to be AEAD or authentication");
+ AESNI_GCM_LOG(ERR, "Wrong xform type, has to be AEAD or authentication");
return -ENOTSUP;
}
/* IV check */
if (sess->iv.length != 16 && sess->iv.length != 12 &&
sess->iv.length != 0) {
- GCM_LOG_ERR("Wrong IV length");
+ AESNI_GCM_LOG(ERR, "Wrong IV length");
return -EINVAL;
}
sess->key = AESNI_GCM_KEY_256;
break;
default:
- GCM_LOG_ERR("Invalid key length");
+ AESNI_GCM_LOG(ERR, "Invalid key length");
return -EINVAL;
}
gcm_ops[sess->key].precomp(key, &sess->gdata_key);
/* Digest check */
- if (digest_length != 16 &&
- digest_length != 12 &&
- digest_length != 8) {
- GCM_LOG_ERR("digest");
+ if (sess->req_digest_length > 16) {
+ AESNI_GCM_LOG(ERR, "Invalid digest length");
return -EINVAL;
}
- sess->digest_length = digest_length;
+ /*
+ * Multi-buffer lib supports digest sizes from 4 to 16 bytes
+ * in version 0.50 and sizes of 8, 12 and 16 bytes,
+ * in version 0.49.
+ * If size requested is different, generate the full digest
+ * (16 bytes) in a temporary location and then memcpy
+ * the requested number of bytes.
+ */
+#if IMB_VERSION_NUM >= IMB_VERSION(0, 50, 0)
+ if (sess->req_digest_length < 4)
+#else
+ if (sess->req_digest_length != 16 &&
+ sess->req_digest_length != 12 &&
+ sess->req_digest_length != 8)
+#endif
+ sess->gen_digest_length = 16;
+ else
+ sess->gen_digest_length = sess->req_digest_length;
return 0;
}
if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
if (likely(sym_op->session != NULL))
sess = (struct aesni_gcm_session *)
- get_session_private_data(
+ get_sym_session_private_data(
sym_op->session,
cryptodev_driver_id);
} else {
if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
return NULL;
- if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
+ if (rte_mempool_get(qp->sess_mp_priv,
+ (void **)&_sess_private_data))
return NULL;
sess = (struct aesni_gcm_session *)_sess_private_data;
if (unlikely(aesni_gcm_set_session_parameters(qp->ops,
sess, sym_op->xform) != 0)) {
rte_mempool_put(qp->sess_mp, _sess);
- rte_mempool_put(qp->sess_mp, _sess_private_data);
+ rte_mempool_put(qp->sess_mp_priv, _sess_private_data);
sess = NULL;
}
sym_op->session = (struct rte_cryptodev_sym_session *)_sess;
- set_session_private_data(sym_op->session, cryptodev_driver_id,
- _sess_private_data);
+ set_sym_session_private_data(sym_op->session,
+ cryptodev_driver_id, _sess_private_data);
}
if (unlikely(sess == NULL))
struct rte_mbuf *m_src = sym_op->m_src;
uint32_t offset, data_offset, data_length;
uint32_t part_len, total_len, data_len;
+ uint8_t *tag;
if (session->op == AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION ||
session->op == AESNI_GCM_OP_AUTHENTICATED_DECRYPTION) {
iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
session->iv.offset);
- /*
- * GCM working in 12B IV mode => 16B pre-counter block we need
- * to set BE LSB to 1, driver expects that 16B is allocated
- */
- if (session->iv.length == 12) {
- uint32_t *iv_padd = (uint32_t *)&(iv_ptr[12]);
- *iv_padd = rte_bswap32(1);
- }
if (session->op == AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION) {
-
qp->ops[session->key].init(&session->gdata_key,
&qp->gdata_ctx,
iv_ptr,
total_len -= part_len;
}
+ if (session->req_digest_length != session->gen_digest_length)
+ tag = qp->temp_digest;
+ else
+ tag = sym_op->aead.digest.data;
+
qp->ops[session->key].finalize(&session->gdata_key,
&qp->gdata_ctx,
- sym_op->aead.digest.data,
- (uint64_t)session->digest_length);
+ tag,
+ session->gen_digest_length);
} else if (session->op == AESNI_GCM_OP_AUTHENTICATED_DECRYPTION) {
- uint8_t *auth_tag = qp->temp_digest;
-
qp->ops[session->key].init(&session->gdata_key,
&qp->gdata_ctx,
iv_ptr,
total_len -= part_len;
}
+ tag = qp->temp_digest;
qp->ops[session->key].finalize(&session->gdata_key,
&qp->gdata_ctx,
- auth_tag,
- (uint64_t)session->digest_length);
+ tag,
+ session->gen_digest_length);
} else if (session->op == AESNI_GMAC_OP_GENERATE) {
qp->ops[session->key].init(&session->gdata_key,
&qp->gdata_ctx,
iv_ptr,
src,
(uint64_t)data_length);
+ if (session->req_digest_length != session->gen_digest_length)
+ tag = qp->temp_digest;
+ else
+ tag = sym_op->auth.digest.data;
qp->ops[session->key].finalize(&session->gdata_key,
&qp->gdata_ctx,
- sym_op->auth.digest.data,
- (uint64_t)session->digest_length);
+ tag,
+ session->gen_digest_length);
} else { /* AESNI_GMAC_OP_VERIFY */
- uint8_t *auth_tag = qp->temp_digest;
-
qp->ops[session->key].init(&session->gdata_key,
&qp->gdata_ctx,
iv_ptr,
src,
(uint64_t)data_length);
+ /*
+ * Generate always 16 bytes and later compare only
+ * the bytes passed.
+ */
+ tag = qp->temp_digest;
qp->ops[session->key].finalize(&session->gdata_key,
&qp->gdata_ctx,
- auth_tag,
- (uint64_t)session->digest_length);
+ tag,
+ session->gen_digest_length);
}
return 0;
session->op == AESNI_GMAC_OP_VERIFY) {
uint8_t *digest;
- uint8_t *tag = (uint8_t *)&qp->temp_digest;
+ uint8_t *tag = qp->temp_digest;
if (session->op == AESNI_GMAC_OP_VERIFY)
digest = op->sym->auth.digest.data;
#ifdef RTE_LIBRTE_PMD_AESNI_GCM_DEBUG
rte_hexdump(stdout, "auth tag (orig):",
- digest, session->digest_length);
+ digest, session->req_digest_length);
rte_hexdump(stdout, "auth tag (calc):",
- tag, session->digest_length);
+ tag, session->req_digest_length);
#endif
- if (memcmp(tag, digest, session->digest_length) != 0)
+ if (memcmp(tag, digest, session->req_digest_length) != 0)
op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
+ } else {
+ if (session->req_digest_length != session->gen_digest_length) {
+ if (session->op == AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION)
+ memcpy(op->sym->aead.digest.data, qp->temp_digest,
+ session->req_digest_length);
+ else
+ memcpy(op->sym->auth.digest.data, qp->temp_digest,
+ session->req_digest_length);
+ }
}
}
if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
memset(sess, 0, sizeof(struct aesni_gcm_session));
memset(op->sym->session, 0,
- rte_cryptodev_get_header_session_size());
- rte_mempool_put(qp->sess_mp, sess);
+ rte_cryptodev_sym_get_header_session_size());
+ rte_mempool_put(qp->sess_mp_priv, sess);
rte_mempool_put(qp->sess_mp, op->sym->session);
op->sym->session = NULL;
}
/* Check CPU for support for AES instruction set */
if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_AES)) {
- GCM_LOG_ERR("AES instructions not supported by CPU");
+ AESNI_GCM_LOG(ERR, "AES instructions not supported by CPU");
return -EFAULT;
}
-
dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
if (dev == NULL) {
- GCM_LOG_ERR("driver %s: create failed", init_params->name);
+ AESNI_GCM_LOG(ERR, "driver %s: create failed",
+ init_params->name);
return -ENODEV;
}
dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
RTE_CRYPTODEV_FF_CPU_AESNI |
- RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER;
+ RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
+ RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT;
switch (vector_mode) {
case RTE_AESNI_GCM_SSE:
internals->vector_mode = vector_mode;
internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
- internals->max_nb_sessions = init_params->max_nb_sessions;
+
+#if IMB_VERSION_NUM >= IMB_VERSION(0, 50, 0)
+ AESNI_GCM_LOG(INFO, "IPSec Multi-buffer library version used: %s\n",
+ imb_get_version_str());
+#else
+ AESNI_GCM_LOG(INFO, "IPSec Multi-buffer library version used: 0.49.0\n");
+#endif
return 0;
}
"",
sizeof(struct aesni_gcm_private),
rte_socket_id(),
- RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS,
- RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_SESSIONS
+ RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
};
const char *name;
const char *input_args;
RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_AESNI_GCM_PMD, cryptodev_aesni_gcm_pmd);
RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_AESNI_GCM_PMD,
"max_nb_queue_pairs=<int> "
- "max_nb_sessions=<int> "
"socket_id=<int>");
RTE_PMD_REGISTER_CRYPTO_DRIVER(aesni_gcm_crypto_drv, aesni_gcm_pmd_drv.driver,
cryptodev_driver_id);
+
+
+RTE_INIT(aesni_gcm_init_log)
+{
+ aesni_gcm_logtype_driver = rte_log_register("pmd.crypto.aesni_gcm");
+}
git.droids-corp.org / dpdk.git / blobdiff