-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2020 Intel Corporation
*/
#include <rte_common.h>
-#include <rte_config.h>
#include <rte_hexdump.h>
#include <rte_cryptodev.h>
-#include <rte_cryptodev_pmd.h>
-#include <rte_cryptodev_vdev.h>
-#include <rte_vdev.h>
+#include <cryptodev_pmd.h>
+#include <rte_bus_vdev.h>
#include <rte_malloc.h>
#include <rte_cpuflags.h>
#include <rte_byteorder.h>
#include "aesni_gcm_pmd_private.h"
-/** GCM encode functions pointer table */
-static const struct aesni_gcm_ops aesni_gcm_enc[] = {
- [AESNI_GCM_KEY_128] = {
- aesni_gcm128_init,
- aesni_gcm128_enc_update,
- aesni_gcm128_enc_finalize
- },
- [AESNI_GCM_KEY_256] = {
- aesni_gcm256_init,
- aesni_gcm256_enc_update,
- aesni_gcm256_enc_finalize
- }
-};
+static uint8_t cryptodev_driver_id;
-/** GCM decode functions pointer table */
-static const struct aesni_gcm_ops aesni_gcm_dec[] = {
- [AESNI_GCM_KEY_128] = {
- aesni_gcm128_init,
- aesni_gcm128_dec_update,
- aesni_gcm128_dec_finalize
- },
- [AESNI_GCM_KEY_256] = {
- aesni_gcm256_init,
- aesni_gcm256_dec_update,
- aesni_gcm256_dec_finalize
- }
-};
+/* setup session handlers */
+static void
+set_func_ops(struct aesni_gcm_session *s, const struct aesni_gcm_ops *gcm_ops)
+{
+ s->ops.pre = gcm_ops->pre;
+ s->ops.init = gcm_ops->init;
+
+ switch (s->op) {
+ case AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION:
+ s->ops.cipher = gcm_ops->enc;
+ s->ops.update = gcm_ops->update_enc;
+ s->ops.finalize = gcm_ops->finalize_enc;
+ break;
+ case AESNI_GCM_OP_AUTHENTICATED_DECRYPTION:
+ s->ops.cipher = gcm_ops->dec;
+ s->ops.update = gcm_ops->update_dec;
+ s->ops.finalize = gcm_ops->finalize_dec;
+ break;
+ case AESNI_GMAC_OP_GENERATE:
+ case AESNI_GMAC_OP_VERIFY:
+ s->ops.finalize = gcm_ops->finalize_enc;
+ break;
+ }
+}
/** Parse crypto xform chain and set private session parameters */
int
-aesni_gcm_set_session_parameters(struct aesni_gcm_session *sess,
+aesni_gcm_set_session_parameters(const struct aesni_gcm_ops *gcm_ops,
+ struct aesni_gcm_session *sess,
const struct rte_crypto_sym_xform *xform)
{
const struct rte_crypto_sym_xform *auth_xform;
- const struct rte_crypto_sym_xform *cipher_xform;
-
- if (xform->next == NULL || xform->next->next != NULL) {
- GCM_LOG_ERR("Two and only two chained xform required");
- return -EINVAL;
- }
+ const struct rte_crypto_sym_xform *aead_xform;
+ uint8_t key_length;
+ const uint8_t *key;
- if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
- xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
- auth_xform = xform->next;
- cipher_xform = xform;
- } else if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
- xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
+ /* AES-GMAC */
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
auth_xform = xform;
- cipher_xform = xform->next;
- } else {
- GCM_LOG_ERR("Cipher and auth xform required");
- return -EINVAL;
- }
+ if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_AES_GMAC) {
+ AESNI_GCM_LOG(ERR, "Only AES GMAC is supported as an "
+ "authentication only algorithm");
+ return -ENOTSUP;
+ }
+ /* Set IV parameters */
+ sess->iv.offset = auth_xform->auth.iv.offset;
+ sess->iv.length = auth_xform->auth.iv.length;
+
+ /* Select Crypto operation */
+ if (auth_xform->auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
+ sess->op = AESNI_GMAC_OP_GENERATE;
+ else
+ sess->op = AESNI_GMAC_OP_VERIFY;
+
+ key_length = auth_xform->auth.key.length;
+ key = auth_xform->auth.key.data;
+ 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) {
+ AESNI_GCM_LOG(ERR, "The only combined operation "
+ "supported is AES GCM");
+ return -ENOTSUP;
+ }
- if (!(cipher_xform->cipher.algo == RTE_CRYPTO_CIPHER_AES_GCM &&
- (auth_xform->auth.algo == RTE_CRYPTO_AUTH_AES_GCM ||
- auth_xform->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC))) {
- GCM_LOG_ERR("We only support AES GCM and AES GMAC");
- return -EINVAL;
- }
+ /* Set IV parameters */
+ sess->iv.offset = aead_xform->aead.iv.offset;
+ sess->iv.length = aead_xform->aead.iv.length;
- /* Set IV parameters */
- sess->iv.offset = cipher_xform->cipher.iv.offset;
- sess->iv.length = cipher_xform->cipher.iv.length;
+ /* Select Crypto operation */
+ if (aead_xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
+ sess->op = AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION;
+ /* op == RTE_CRYPTO_AEAD_OP_DECRYPT */
+ else
+ sess->op = AESNI_GCM_OP_AUTHENTICATED_DECRYPTION;
+
+ key_length = aead_xform->aead.key.length;
+ key = aead_xform->aead.key.data;
+
+ sess->aad_length = aead_xform->aead.aad_length;
+ sess->req_digest_length = aead_xform->aead.digest_length;
+ } else {
+ 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");
- return -EINVAL;
- }
-
- /* Select Crypto operation */
- if (cipher_xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT &&
- auth_xform->auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
- sess->op = AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION;
- else if (cipher_xform->cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT &&
- auth_xform->auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
- sess->op = AESNI_GCM_OP_AUTHENTICATED_DECRYPTION;
- else {
- GCM_LOG_ERR("Cipher/Auth operations: Encrypt/Generate or"
- " Decrypt/Verify are valid only");
+ AESNI_GCM_LOG(ERR, "Wrong IV length");
return -EINVAL;
}
/* Check key length and calculate GCM pre-compute. */
- switch (cipher_xform->cipher.key.length) {
+ switch (key_length) {
case 16:
- aesni_gcm128_pre(cipher_xform->cipher.key.data, &sess->gdata);
- sess->key = AESNI_GCM_KEY_128;
-
+ sess->key = GCM_KEY_128;
+ break;
+ case 24:
+ sess->key = GCM_KEY_192;
break;
case 32:
- aesni_gcm256_pre(cipher_xform->cipher.key.data, &sess->gdata);
- sess->key = AESNI_GCM_KEY_256;
-
+ sess->key = GCM_KEY_256;
break;
default:
- GCM_LOG_ERR("Unsupported cipher key length");
+ AESNI_GCM_LOG(ERR, "Invalid key length");
+ return -EINVAL;
+ }
+
+ /* setup session handlers */
+ set_func_ops(sess, &gcm_ops[sess->key]);
+
+ /* pre-generate key */
+ gcm_ops[sess->key].pre(key, &sess->gdata_key);
+
+ /* Digest check */
+ if (sess->req_digest_length > 16) {
+ AESNI_GCM_LOG(ERR, "Invalid digest length");
return -EINVAL;
}
+ /*
+ * 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;
}
struct rte_crypto_sym_op *sym_op = op->sym;
if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
- if (unlikely(sym_op->session->dev_type
- != RTE_CRYPTODEV_AESNI_GCM_PMD))
- return sess;
-
- sess = (struct aesni_gcm_session *)sym_op->session->_private;
+ if (likely(sym_op->session != NULL))
+ sess = (struct aesni_gcm_session *)
+ get_sym_session_private_data(
+ sym_op->session,
+ cryptodev_driver_id);
} else {
void *_sess;
+ void *_sess_private_data = NULL;
+
+ if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
+ return NULL;
- if (rte_mempool_get(qp->sess_mp, &_sess))
- return sess;
+ if (rte_mempool_get(qp->sess_mp_priv,
+ (void **)&_sess_private_data))
+ return NULL;
- sess = (struct aesni_gcm_session *)
- ((struct rte_cryptodev_sym_session *)_sess)->_private;
+ sess = (struct aesni_gcm_session *)_sess_private_data;
- if (unlikely(aesni_gcm_set_session_parameters(sess,
- sym_op->xform) != 0)) {
+ 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_priv, _sess_private_data);
sess = NULL;
}
+ sym_op->session = (struct rte_cryptodev_sym_session *)_sess;
+ set_sym_session_private_data(sym_op->session,
+ cryptodev_driver_id, _sess_private_data);
}
+
+ if (unlikely(sess == NULL))
+ op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
+
return sess;
}
/**
- * Process a crypto operation and complete a JOB_AES_HMAC job structure for
- * submission to the multi buffer library for processing.
+ * Process a crypto operation, calling
+ * the GCM API from the multi buffer library.
*
* @param qp queue pair
* @param op symmetric crypto operation
*
*/
static int
-process_gcm_crypto_op(struct rte_crypto_op *op,
+process_gcm_crypto_op(struct aesni_gcm_qp *qp, struct rte_crypto_op *op,
struct aesni_gcm_session *session)
{
uint8_t *src, *dst;
uint8_t *iv_ptr;
struct rte_crypto_sym_op *sym_op = op->sym;
struct rte_mbuf *m_src = sym_op->m_src;
- uint32_t offset = sym_op->cipher.data.offset;
+ uint32_t offset, data_offset, data_length;
uint32_t part_len, total_len, data_len;
+ uint8_t *tag;
+ unsigned int oop = 0;
+
+ if (session->op == AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION ||
+ session->op == AESNI_GCM_OP_AUTHENTICATED_DECRYPTION) {
+ offset = sym_op->aead.data.offset;
+ data_offset = offset;
+ data_length = sym_op->aead.data.length;
+ } else {
+ offset = sym_op->auth.data.offset;
+ data_offset = offset;
+ data_length = sym_op->auth.data.length;
+ }
RTE_ASSERT(m_src != NULL);
- while (offset >= m_src->data_len) {
+ while (offset >= m_src->data_len && data_length != 0) {
offset -= m_src->data_len;
m_src = m_src->next;
RTE_ASSERT(m_src != NULL);
}
+ src = rte_pktmbuf_mtod_offset(m_src, uint8_t *, offset);
+
data_len = m_src->data_len - offset;
- part_len = (data_len < sym_op->cipher.data.length) ? data_len :
- sym_op->cipher.data.length;
-
- /* Destination buffer is required when segmented source buffer */
- RTE_ASSERT((part_len == sym_op->cipher.data.length) ||
- ((part_len != sym_op->cipher.data.length) &&
- (sym_op->m_dst != NULL)));
- /* Segmented destination buffer is not supported */
+ part_len = (data_len < data_length) ? data_len :
+ data_length;
+
RTE_ASSERT((sym_op->m_dst == NULL) ||
((sym_op->m_dst != NULL) &&
rte_pktmbuf_is_contiguous(sym_op->m_dst)));
-
- dst = sym_op->m_dst ?
- rte_pktmbuf_mtod_offset(sym_op->m_dst, uint8_t *,
- sym_op->cipher.data.offset) :
- rte_pktmbuf_mtod_offset(sym_op->m_src, uint8_t *,
- sym_op->cipher.data.offset);
-
- src = rte_pktmbuf_mtod_offset(m_src, uint8_t *, offset);
+ /* In-place */
+ if (sym_op->m_dst == NULL || (sym_op->m_dst == sym_op->m_src))
+ dst = src;
+ /* Out-of-place */
+ else {
+ oop = 1;
+ /* Segmented destination buffer is not supported if operation is
+ * Out-of-place */
+ RTE_ASSERT(rte_pktmbuf_is_contiguous(sym_op->m_dst));
+ dst = rte_pktmbuf_mtod_offset(sym_op->m_dst, uint8_t *,
+ data_offset);
+ }
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 (sym_op->auth.digest.length != 16 &&
- sym_op->auth.digest.length != 12 &&
- sym_op->auth.digest.length != 8) {
- GCM_LOG_ERR("digest");
- return -1;
- }
if (session->op == AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION) {
+ qp->ops[session->key].init(&session->gdata_key,
+ &qp->gdata_ctx,
+ iv_ptr,
+ sym_op->aead.aad.data,
+ (uint64_t)session->aad_length);
+
+ qp->ops[session->key].update_enc(&session->gdata_key,
+ &qp->gdata_ctx, dst, src,
+ (uint64_t)part_len);
+ total_len = data_length - part_len;
+
+ while (total_len) {
+ m_src = m_src->next;
+
+ RTE_ASSERT(m_src != NULL);
- aesni_gcm_enc[session->key].init(&session->gdata,
+ src = rte_pktmbuf_mtod(m_src, uint8_t *);
+ if (oop)
+ dst += part_len;
+ else
+ dst = src;
+ part_len = (m_src->data_len < total_len) ?
+ m_src->data_len : total_len;
+
+ qp->ops[session->key].update_enc(&session->gdata_key,
+ &qp->gdata_ctx, dst, src,
+ (uint64_t)part_len);
+ 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_enc(&session->gdata_key,
+ &qp->gdata_ctx,
+ tag,
+ session->gen_digest_length);
+ } else if (session->op == AESNI_GCM_OP_AUTHENTICATED_DECRYPTION) {
+ qp->ops[session->key].init(&session->gdata_key,
+ &qp->gdata_ctx,
iv_ptr,
- sym_op->auth.aad.data,
- (uint64_t)sym_op->auth.aad.length);
+ sym_op->aead.aad.data,
+ (uint64_t)session->aad_length);
- aesni_gcm_enc[session->key].update(&session->gdata, dst, src,
+ qp->ops[session->key].update_dec(&session->gdata_key,
+ &qp->gdata_ctx, dst, src,
(uint64_t)part_len);
- total_len = sym_op->cipher.data.length - part_len;
+ total_len = data_length - part_len;
while (total_len) {
- dst += part_len;
m_src = m_src->next;
RTE_ASSERT(m_src != NULL);
src = rte_pktmbuf_mtod(m_src, uint8_t *);
+ if (oop)
+ dst += part_len;
+ else
+ dst = src;
part_len = (m_src->data_len < total_len) ?
m_src->data_len : total_len;
- aesni_gcm_enc[session->key].update(&session->gdata,
+ qp->ops[session->key].update_dec(&session->gdata_key,
+ &qp->gdata_ctx,
dst, src,
(uint64_t)part_len);
total_len -= part_len;
}
- aesni_gcm_enc[session->key].finalize(&session->gdata,
- sym_op->auth.digest.data,
- (uint64_t)sym_op->auth.digest.length);
- } else { /* session->op == AESNI_GCM_OP_AUTHENTICATED_DECRYPTION */
- uint8_t *auth_tag = (uint8_t *)rte_pktmbuf_append(sym_op->m_dst ?
- sym_op->m_dst : sym_op->m_src,
- sym_op->auth.digest.length);
-
- if (!auth_tag) {
- GCM_LOG_ERR("auth_tag");
- return -1;
+ tag = qp->temp_digest;
+ qp->ops[session->key].finalize_dec(&session->gdata_key,
+ &qp->gdata_ctx,
+ tag,
+ session->gen_digest_length);
+#if IMB_VERSION(0, 54, 0) < IMB_VERSION_NUM
+ } else if (session->op == AESNI_GMAC_OP_GENERATE) {
+ qp->ops[session->key].gmac_init(&session->gdata_key,
+ &qp->gdata_ctx,
+ iv_ptr,
+ session->iv.length);
+
+ qp->ops[session->key].gmac_update(&session->gdata_key,
+ &qp->gdata_ctx, src,
+ (uint64_t)part_len);
+ total_len = data_length - part_len;
+
+ while (total_len) {
+ m_src = m_src->next;
+
+ RTE_ASSERT(m_src != NULL);
+
+ src = rte_pktmbuf_mtod(m_src, uint8_t *);
+ part_len = (m_src->data_len < total_len) ?
+ m_src->data_len : total_len;
+
+ qp->ops[session->key].gmac_update(&session->gdata_key,
+ &qp->gdata_ctx, src,
+ (uint64_t)part_len);
+ total_len -= part_len;
}
- aesni_gcm_dec[session->key].init(&session->gdata,
+ if (session->req_digest_length != session->gen_digest_length)
+ tag = qp->temp_digest;
+ else
+ tag = sym_op->auth.digest.data;
+
+ qp->ops[session->key].gmac_finalize(&session->gdata_key,
+ &qp->gdata_ctx,
+ tag,
+ session->gen_digest_length);
+ } else { /* AESNI_GMAC_OP_VERIFY */
+ qp->ops[session->key].gmac_init(&session->gdata_key,
+ &qp->gdata_ctx,
iv_ptr,
- sym_op->auth.aad.data,
- (uint64_t)sym_op->auth.aad.length);
+ session->iv.length);
- aesni_gcm_dec[session->key].update(&session->gdata, dst, src,
+ qp->ops[session->key].gmac_update(&session->gdata_key,
+ &qp->gdata_ctx, src,
(uint64_t)part_len);
- total_len = sym_op->cipher.data.length - part_len;
+ total_len = data_length - part_len;
while (total_len) {
- dst += part_len;
m_src = m_src->next;
RTE_ASSERT(m_src != NULL);
part_len = (m_src->data_len < total_len) ?
m_src->data_len : total_len;
- aesni_gcm_dec[session->key].update(&session->gdata,
- dst, src,
+ qp->ops[session->key].gmac_update(&session->gdata_key,
+ &qp->gdata_ctx, src,
(uint64_t)part_len);
total_len -= part_len;
}
- aesni_gcm_dec[session->key].finalize(&session->gdata,
- auth_tag,
- (uint64_t)sym_op->auth.digest.length);
+ tag = qp->temp_digest;
+
+ qp->ops[session->key].gmac_finalize(&session->gdata_key,
+ &qp->gdata_ctx,
+ tag,
+ session->gen_digest_length);
}
+#else
+ } 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_enc(&session->gdata_key,
+ &qp->gdata_ctx,
+ tag,
+ session->gen_digest_length);
+ } else { /* AESNI_GMAC_OP_VERIFY */
+ 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_enc(&session->gdata_key,
+ &qp->gdata_ctx,
+ tag,
+ session->gen_digest_length);
+ }
+#endif
return 0;
}
+static inline void
+aesni_gcm_fill_error_code(struct rte_crypto_sym_vec *vec, int32_t errnum)
+{
+ uint32_t i;
+
+ for (i = 0; i < vec->num; i++)
+ vec->status[i] = errnum;
+}
+
+
+static inline int32_t
+aesni_gcm_sgl_op_finalize_encryption(const struct aesni_gcm_session *s,
+ struct gcm_context_data *gdata_ctx, uint8_t *digest)
+{
+ if (s->req_digest_length != s->gen_digest_length) {
+ uint8_t tmpdigest[s->gen_digest_length];
+
+ s->ops.finalize(&s->gdata_key, gdata_ctx, tmpdigest,
+ s->gen_digest_length);
+ memcpy(digest, tmpdigest, s->req_digest_length);
+ } else {
+ s->ops.finalize(&s->gdata_key, gdata_ctx, digest,
+ s->gen_digest_length);
+ }
+
+ return 0;
+}
+
+static inline int32_t
+aesni_gcm_sgl_op_finalize_decryption(const struct aesni_gcm_session *s,
+ struct gcm_context_data *gdata_ctx, uint8_t *digest)
+{
+ uint8_t tmpdigest[s->gen_digest_length];
+
+ s->ops.finalize(&s->gdata_key, gdata_ctx, tmpdigest,
+ s->gen_digest_length);
+
+ return memcmp(digest, tmpdigest, s->req_digest_length) == 0 ? 0 :
+ EBADMSG;
+}
+
+static inline void
+aesni_gcm_process_gcm_sgl_op(const struct aesni_gcm_session *s,
+ struct gcm_context_data *gdata_ctx, struct rte_crypto_sgl *sgl,
+ void *iv, void *aad)
+{
+ uint32_t i;
+
+ /* init crypto operation */
+ s->ops.init(&s->gdata_key, gdata_ctx, iv, aad,
+ (uint64_t)s->aad_length);
+
+ /* update with sgl data */
+ for (i = 0; i < sgl->num; i++) {
+ struct rte_crypto_vec *vec = &sgl->vec[i];
+
+ s->ops.update(&s->gdata_key, gdata_ctx, vec->base, vec->base,
+ vec->len);
+ }
+}
+
+static inline void
+aesni_gcm_process_gmac_sgl_op(const struct aesni_gcm_session *s,
+ struct gcm_context_data *gdata_ctx, struct rte_crypto_sgl *sgl,
+ void *iv)
+{
+ s->ops.init(&s->gdata_key, gdata_ctx, iv, sgl->vec[0].base,
+ sgl->vec[0].len);
+}
+
+static inline uint32_t
+aesni_gcm_sgl_encrypt(struct aesni_gcm_session *s,
+ struct gcm_context_data *gdata_ctx, struct rte_crypto_sym_vec *vec)
+{
+ uint32_t i, processed;
+
+ processed = 0;
+ for (i = 0; i < vec->num; ++i) {
+ aesni_gcm_process_gcm_sgl_op(s, gdata_ctx,
+ &vec->src_sgl[i], vec->iv[i].va,
+ vec->aad[i].va);
+ vec->status[i] = aesni_gcm_sgl_op_finalize_encryption(s,
+ gdata_ctx, vec->digest[i].va);
+ processed += (vec->status[i] == 0);
+ }
+
+ return processed;
+}
+
+static inline uint32_t
+aesni_gcm_sgl_decrypt(struct aesni_gcm_session *s,
+ struct gcm_context_data *gdata_ctx, struct rte_crypto_sym_vec *vec)
+{
+ uint32_t i, processed;
+
+ processed = 0;
+ for (i = 0; i < vec->num; ++i) {
+ aesni_gcm_process_gcm_sgl_op(s, gdata_ctx,
+ &vec->src_sgl[i], vec->iv[i].va,
+ vec->aad[i].va);
+ vec->status[i] = aesni_gcm_sgl_op_finalize_decryption(s,
+ gdata_ctx, vec->digest[i].va);
+ processed += (vec->status[i] == 0);
+ }
+
+ return processed;
+}
+
+static inline uint32_t
+aesni_gmac_sgl_generate(struct aesni_gcm_session *s,
+ struct gcm_context_data *gdata_ctx, struct rte_crypto_sym_vec *vec)
+{
+ uint32_t i, processed;
+
+ processed = 0;
+ for (i = 0; i < vec->num; ++i) {
+ if (vec->src_sgl[i].num != 1) {
+ vec->status[i] = ENOTSUP;
+ continue;
+ }
+
+ aesni_gcm_process_gmac_sgl_op(s, gdata_ctx,
+ &vec->src_sgl[i], vec->iv[i].va);
+ vec->status[i] = aesni_gcm_sgl_op_finalize_encryption(s,
+ gdata_ctx, vec->digest[i].va);
+ processed += (vec->status[i] == 0);
+ }
+
+ return processed;
+}
+
+static inline uint32_t
+aesni_gmac_sgl_verify(struct aesni_gcm_session *s,
+ struct gcm_context_data *gdata_ctx, struct rte_crypto_sym_vec *vec)
+{
+ uint32_t i, processed;
+
+ processed = 0;
+ for (i = 0; i < vec->num; ++i) {
+ if (vec->src_sgl[i].num != 1) {
+ vec->status[i] = ENOTSUP;
+ continue;
+ }
+
+ aesni_gcm_process_gmac_sgl_op(s, gdata_ctx,
+ &vec->src_sgl[i], vec->iv[i].va);
+ vec->status[i] = aesni_gcm_sgl_op_finalize_decryption(s,
+ gdata_ctx, vec->digest[i].va);
+ processed += (vec->status[i] == 0);
+ }
+
+ return processed;
+}
+
+/** Process CPU crypto bulk operations */
+uint32_t
+aesni_gcm_pmd_cpu_crypto_process(struct rte_cryptodev *dev,
+ struct rte_cryptodev_sym_session *sess,
+ __rte_unused union rte_crypto_sym_ofs ofs,
+ struct rte_crypto_sym_vec *vec)
+{
+ void *sess_priv;
+ struct aesni_gcm_session *s;
+ struct gcm_context_data gdata_ctx;
+
+ sess_priv = get_sym_session_private_data(sess, dev->driver_id);
+ if (unlikely(sess_priv == NULL)) {
+ aesni_gcm_fill_error_code(vec, EINVAL);
+ return 0;
+ }
+
+ s = sess_priv;
+ switch (s->op) {
+ case AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION:
+ return aesni_gcm_sgl_encrypt(s, &gdata_ctx, vec);
+ case AESNI_GCM_OP_AUTHENTICATED_DECRYPTION:
+ return aesni_gcm_sgl_decrypt(s, &gdata_ctx, vec);
+ case AESNI_GMAC_OP_GENERATE:
+ return aesni_gmac_sgl_generate(s, &gdata_ctx, vec);
+ case AESNI_GMAC_OP_VERIFY:
+ return aesni_gmac_sgl_verify(s, &gdata_ctx, vec);
+ default:
+ aesni_gcm_fill_error_code(vec, EINVAL);
+ return 0;
+ }
+}
+
/**
* Process a completed job and return rte_mbuf which job processed
*
* - Returns NULL on invalid job
*/
static void
-post_process_gcm_crypto_op(struct rte_crypto_op *op)
+post_process_gcm_crypto_op(struct aesni_gcm_qp *qp,
+ struct rte_crypto_op *op,
+ struct aesni_gcm_session *session)
{
- struct rte_mbuf *m = op->sym->m_dst ? op->sym->m_dst : op->sym->m_src;
-
- struct aesni_gcm_session *session =
- (struct aesni_gcm_session *)op->sym->session->_private;
-
op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
/* Verify digest if required */
- if (session->op == AESNI_GCM_OP_AUTHENTICATED_DECRYPTION) {
+ if (session->op == AESNI_GCM_OP_AUTHENTICATED_DECRYPTION ||
+ session->op == AESNI_GMAC_OP_VERIFY) {
+ uint8_t *digest;
+
+ uint8_t *tag = qp->temp_digest;
- uint8_t *tag = rte_pktmbuf_mtod_offset(m, uint8_t *,
- m->data_len - op->sym->auth.digest.length);
+ if (session->op == AESNI_GMAC_OP_VERIFY)
+ digest = op->sym->auth.digest.data;
+ else
+ digest = op->sym->aead.digest.data;
#ifdef RTE_LIBRTE_PMD_AESNI_GCM_DEBUG
rte_hexdump(stdout, "auth tag (orig):",
- op->sym->auth.digest.data, op->sym->auth.digest.length);
+ digest, session->req_digest_length);
rte_hexdump(stdout, "auth tag (calc):",
- tag, op->sym->auth.digest.length);
+ tag, session->req_digest_length);
#endif
- if (memcmp(tag, op->sym->auth.digest.data,
- op->sym->auth.digest.length) != 0)
+ if (memcmp(tag, digest, session->req_digest_length) != 0)
op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
-
- /* trim area used for digest from mbuf */
- rte_pktmbuf_trim(m, op->sym->auth.digest.length);
+ } 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);
+ }
}
}
* Process a completed GCM request
*
* @param qp Queue Pair to process
+ * @param op Crypto operation
* @param job JOB_AES_HMAC job
*
* @return
*/
static void
handle_completed_gcm_crypto_op(struct aesni_gcm_qp *qp,
- struct rte_crypto_op *op)
+ struct rte_crypto_op *op,
+ struct aesni_gcm_session *sess)
{
- post_process_gcm_crypto_op(op);
+ post_process_gcm_crypto_op(qp, op, sess);
/* Free session if a session-less crypto op */
if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+ memset(sess, 0, sizeof(struct aesni_gcm_session));
+ memset(op->sym->session, 0,
+ rte_cryptodev_sym_get_existing_header_session_size(
+ op->sym->session));
+ rte_mempool_put(qp->sess_mp_priv, sess);
rte_mempool_put(qp->sess_mp, op->sym->session);
op->sym->session = NULL;
}
break;
}
- retval = process_gcm_crypto_op(ops[i], sess);
+ retval = process_gcm_crypto_op(qp, ops[i], sess);
if (retval < 0) {
ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
qp->qp_stats.dequeue_err_count++;
break;
}
- handle_completed_gcm_crypto_op(qp, ops[i]);
+ handle_completed_gcm_crypto_op(qp, ops[i], sess);
}
qp->qp_stats.dequeued_count += i;
static int
aesni_gcm_create(const char *name,
struct rte_vdev_device *vdev,
- struct rte_crypto_vdev_init_params *init_params)
+ struct rte_cryptodev_pmd_init_params *init_params)
{
struct rte_cryptodev *dev;
struct aesni_gcm_private *internals;
+ enum aesni_gcm_vector_mode vector_mode;
+ MB_MGR *mb_mgr;
- if (init_params->name[0] == '\0')
- snprintf(init_params->name, sizeof(init_params->name),
- "%s", name);
-
- /* 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");
- return -EFAULT;
- }
-
- dev = rte_cryptodev_vdev_pmd_init(init_params->name,
- sizeof(struct aesni_gcm_private), init_params->socket_id,
- vdev);
+ dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
if (dev == NULL) {
- GCM_LOG_ERR("failed to create cryptodev vdev");
- goto init_error;
+ AESNI_GCM_LOG(ERR, "driver %s: create failed",
+ init_params->name);
+ return -ENODEV;
}
- dev->dev_type = RTE_CRYPTODEV_AESNI_GCM_PMD;
+ /* Check CPU for supported vector instruction set */
+ if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F))
+ vector_mode = RTE_AESNI_GCM_AVX512;
+ else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2))
+ vector_mode = RTE_AESNI_GCM_AVX2;
+ else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
+ vector_mode = RTE_AESNI_GCM_AVX;
+ else
+ vector_mode = RTE_AESNI_GCM_SSE;
+
+ dev->driver_id = cryptodev_driver_id;
dev->dev_ops = rte_aesni_gcm_pmd_ops;
/* register rx/tx burst functions for data path */
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_IN_PLACE_SGL |
+ RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
+ RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT |
+ RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO |
+ RTE_CRYPTODEV_FF_SYM_SESSIONLESS;
+
+ /* Check CPU for support for AES instruction set */
+ if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AES))
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AESNI;
+ else
+ AESNI_GCM_LOG(WARNING, "AES instructions not supported by CPU");
+
+ mb_mgr = alloc_mb_mgr(0);
+ if (mb_mgr == NULL)
+ return -ENOMEM;
+
+ switch (vector_mode) {
+ case RTE_AESNI_GCM_SSE:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
+ init_mb_mgr_sse(mb_mgr);
+ break;
+ case RTE_AESNI_GCM_AVX:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
+ init_mb_mgr_avx(mb_mgr);
+ break;
+ case RTE_AESNI_GCM_AVX2:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX2;
+ init_mb_mgr_avx2(mb_mgr);
+ break;
+ case RTE_AESNI_GCM_AVX512:
+ if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_VAES)) {
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX512;
+ init_mb_mgr_avx512(mb_mgr);
+ } else {
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX2;
+ init_mb_mgr_avx2(mb_mgr);
+ vector_mode = RTE_AESNI_GCM_AVX2;
+ }
+ break;
+ default:
+ AESNI_GCM_LOG(ERR, "Unsupported vector mode %u\n", vector_mode);
+ goto error_exit;
+ }
internals = dev->data->dev_private;
+ internals->vector_mode = vector_mode;
+ internals->mb_mgr = mb_mgr;
+
+ /* Set arch independent function pointers, based on key size */
+ internals->ops[GCM_KEY_128].enc = mb_mgr->gcm128_enc;
+ internals->ops[GCM_KEY_128].dec = mb_mgr->gcm128_dec;
+ internals->ops[GCM_KEY_128].pre = mb_mgr->gcm128_pre;
+ internals->ops[GCM_KEY_128].init = mb_mgr->gcm128_init;
+ internals->ops[GCM_KEY_128].update_enc = mb_mgr->gcm128_enc_update;
+ internals->ops[GCM_KEY_128].update_dec = mb_mgr->gcm128_dec_update;
+ internals->ops[GCM_KEY_128].finalize_enc = mb_mgr->gcm128_enc_finalize;
+ internals->ops[GCM_KEY_128].finalize_dec = mb_mgr->gcm128_dec_finalize;
+#if IMB_VERSION(0, 54, 0) < IMB_VERSION_NUM
+ internals->ops[GCM_KEY_128].gmac_init = mb_mgr->gmac128_init;
+ internals->ops[GCM_KEY_128].gmac_update = mb_mgr->gmac128_update;
+ internals->ops[GCM_KEY_128].gmac_finalize = mb_mgr->gmac128_finalize;
+#endif
+
+ internals->ops[GCM_KEY_192].enc = mb_mgr->gcm192_enc;
+ internals->ops[GCM_KEY_192].dec = mb_mgr->gcm192_dec;
+ internals->ops[GCM_KEY_192].pre = mb_mgr->gcm192_pre;
+ internals->ops[GCM_KEY_192].init = mb_mgr->gcm192_init;
+ internals->ops[GCM_KEY_192].update_enc = mb_mgr->gcm192_enc_update;
+ internals->ops[GCM_KEY_192].update_dec = mb_mgr->gcm192_dec_update;
+ internals->ops[GCM_KEY_192].finalize_enc = mb_mgr->gcm192_enc_finalize;
+ internals->ops[GCM_KEY_192].finalize_dec = mb_mgr->gcm192_dec_finalize;
+#if IMB_VERSION(0, 54, 0) < IMB_VERSION_NUM
+ internals->ops[GCM_KEY_192].gmac_init = mb_mgr->gmac192_init;
+ internals->ops[GCM_KEY_192].gmac_update = mb_mgr->gmac192_update;
+ internals->ops[GCM_KEY_192].gmac_finalize = mb_mgr->gmac192_finalize;
+#endif
+
+ internals->ops[GCM_KEY_256].enc = mb_mgr->gcm256_enc;
+ internals->ops[GCM_KEY_256].dec = mb_mgr->gcm256_dec;
+ internals->ops[GCM_KEY_256].pre = mb_mgr->gcm256_pre;
+ internals->ops[GCM_KEY_256].init = mb_mgr->gcm256_init;
+ internals->ops[GCM_KEY_256].update_enc = mb_mgr->gcm256_enc_update;
+ internals->ops[GCM_KEY_256].update_dec = mb_mgr->gcm256_dec_update;
+ internals->ops[GCM_KEY_256].finalize_enc = mb_mgr->gcm256_enc_finalize;
+ internals->ops[GCM_KEY_256].finalize_dec = mb_mgr->gcm256_dec_finalize;
+#if IMB_VERSION(0, 54, 0) < IMB_VERSION_NUM
+ internals->ops[GCM_KEY_256].gmac_init = mb_mgr->gmac256_init;
+ internals->ops[GCM_KEY_256].gmac_update = mb_mgr->gmac256_update;
+ internals->ops[GCM_KEY_256].gmac_finalize = mb_mgr->gmac256_finalize;
+#endif
+
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;
-init_error:
- GCM_LOG_ERR("driver %s: create failed", init_params->name);
+error_exit:
+ if (mb_mgr)
+ free_mb_mgr(mb_mgr);
- aesni_gcm_remove(vdev);
- return -EFAULT;
+ rte_cryptodev_pmd_destroy(dev);
+
+ return -1;
}
static int
aesni_gcm_probe(struct rte_vdev_device *vdev)
{
- struct rte_crypto_vdev_init_params init_params = {
- RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
- RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
+ struct rte_cryptodev_pmd_init_params init_params = {
+ "",
+ sizeof(struct aesni_gcm_private),
rte_socket_id(),
- {0}
+ RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
};
const char *name;
const char *input_args;
if (name == NULL)
return -EINVAL;
input_args = rte_vdev_device_args(vdev);
- rte_cryptodev_vdev_parse_init_params(&init_params, input_args);
-
- RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
- init_params.socket_id);
- if (init_params.name[0] != '\0')
- RTE_LOG(INFO, PMD, " User defined name = %s\n",
- init_params.name);
- RTE_LOG(INFO, PMD, " Max number of queue pairs = %d\n",
- init_params.max_nb_queue_pairs);
- RTE_LOG(INFO, PMD, " Max number of sessions = %d\n",
- init_params.max_nb_sessions);
+ rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
return aesni_gcm_create(name, vdev, &init_params);
}
static int
aesni_gcm_remove(struct rte_vdev_device *vdev)
{
+ struct rte_cryptodev *cryptodev;
+ struct aesni_gcm_private *internals;
const char *name;
name = rte_vdev_device_name(vdev);
if (name == NULL)
return -EINVAL;
- GCM_LOG_INFO("Closing AESNI crypto device %s on numa socket %u\n",
- name, rte_socket_id());
+ cryptodev = rte_cryptodev_pmd_get_named_dev(name);
+ if (cryptodev == NULL)
+ return -ENODEV;
- return 0;
+ internals = cryptodev->data->dev_private;
+
+ free_mb_mgr(internals->mb_mgr);
+
+ return rte_cryptodev_pmd_destroy(cryptodev);
}
static struct rte_vdev_driver aesni_gcm_pmd_drv = {
.remove = aesni_gcm_remove
};
+static struct cryptodev_driver aesni_gcm_crypto_drv;
+
RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_AESNI_GCM_PMD, aesni_gcm_pmd_drv);
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_LOG_REGISTER_DEFAULT(aesni_gcm_logtype_driver, NOTICE);
git.droids-corp.org / dpdk.git / blobdiff