-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2016 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 <openssl/aes.h>
-
#include <rte_common.h>
-#include <rte_config.h>
#include <rte_hexdump.h>
#include <rte_cryptodev.h>
#include <rte_cryptodev_pmd.h>
-#include <rte_dev.h>
+#include <rte_bus_vdev.h>
#include <rte_malloc.h>
#include <rte_cpuflags.h>
+#include <rte_byteorder.h>
#include "aesni_gcm_pmd_private.h"
-/**
- * Global static parameter used to create a unique name for each AES-NI multi
- * buffer crypto device.
- */
-static unsigned unique_name_id;
-
-static inline int
-create_unique_device_name(char *name, size_t size)
-{
- int ret;
-
- if (name == NULL)
- return -EINVAL;
-
- ret = snprintf(name, size, "%s_%u", CRYPTODEV_NAME_AESNI_GCM_PMD,
- unique_name_id++);
- if (ret < 0)
- return ret;
- return 0;
-}
-
-static int
-aesni_gcm_calculate_hash_sub_key(uint8_t *hsubkey, unsigned hsubkey_length,
- uint8_t *aeskey, unsigned aeskey_length)
-{
- uint8_t key[aeskey_length] __rte_aligned(16);
- AES_KEY enc_key;
-
- if (hsubkey_length % 16 != 0 && aeskey_length % 16 != 0)
- return -EFAULT;
-
- memcpy(key, aeskey, aeskey_length);
-
- if (AES_set_encrypt_key(key, aeskey_length << 3, &enc_key) != 0)
- return -EFAULT;
+int aesni_gcm_logtype_driver;
- AES_encrypt(hsubkey, hsubkey, &enc_key);
-
- return 0;
-}
+static uint8_t cryptodev_driver_id;
-/** Get xform chain order */
-static int
-aesni_gcm_get_mode(const struct rte_crypto_sym_xform *xform)
+/* setup session handlers */
+static void
+set_func_ops(struct aesni_gcm_session *s, const struct aesni_gcm_ops *gcm_ops)
{
- /*
- * GCM only supports authenticated encryption or authenticated
- * decryption, all other options are invalid, so we must have exactly
- * 2 xform structs chained together
- */
- if (xform->next == NULL || xform->next->next != NULL)
- return -1;
-
- if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
- xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
- return AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION;
- }
+ s->ops.pre = gcm_ops->pre;
+ s->ops.init = gcm_ops->init;
- if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
- xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
- return AESNI_GCM_OP_AUTHENTICATED_DECRYPTION;
+ 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;
}
-
- return -1;
}
/** Parse crypto xform chain and set private session parameters */
struct aesni_gcm_session *sess,
const struct rte_crypto_sym_xform *xform)
{
- const struct rte_crypto_sym_xform *auth_xform = NULL;
- const struct rte_crypto_sym_xform *cipher_xform = NULL;
+ const struct rte_crypto_sym_xform *auth_xform;
+ const struct rte_crypto_sym_xform *aead_xform;
+ uint8_t key_length;
+ const uint8_t *key;
- uint8_t hsubkey[16] __rte_aligned(16) = { 0 };
+ /* AES-GMAC */
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
+ auth_xform = xform;
+ 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;
+ }
- /* Select Crypto operation - hash then cipher / cipher then hash */
- switch (aesni_gcm_get_mode(xform)) {
- case AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION:
- sess->op = AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION;
+ /* Set IV parameters */
+ sess->iv.offset = aead_xform->aead.iv.offset;
+ sess->iv.length = aead_xform->aead.iv.length;
- cipher_xform = xform;
- auth_xform = xform->next;
- break;
- case AESNI_GCM_OP_AUTHENTICATED_DECRYPTION:
- sess->op = AESNI_GCM_OP_AUTHENTICATED_DECRYPTION;
+ /* 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;
- auth_xform = xform;
- cipher_xform = xform->next;
- break;
- default:
- GCM_LOG_ERR("Unsupported operation chain order parameter");
- return -EINVAL;
+ 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;
}
- /* We only support AES GCM */
- if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_AES_GCM &&
- auth_xform->auth.algo != RTE_CRYPTO_AUTH_AES_GCM)
+ /* IV check */
+ if (sess->iv.length != 16 && sess->iv.length != 12 &&
+ sess->iv.length != 0) {
+ AESNI_GCM_LOG(ERR, "Wrong IV length");
return -EINVAL;
+ }
- /* Select cipher direction */
- if (sess->op == AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION &&
- cipher_xform->cipher.op !=
- RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
- GCM_LOG_ERR("xform chain (CIPHER/AUTH) and cipher operation "
- "(DECRYPT) specified are an invalid selection");
- return -EINVAL;
- } else if (sess->op == AESNI_GCM_OP_AUTHENTICATED_DECRYPTION &&
- cipher_xform->cipher.op !=
- RTE_CRYPTO_CIPHER_OP_DECRYPT) {
- GCM_LOG_ERR("xform chain (AUTH/CIPHER) and cipher operation "
- "(ENCRYPT) specified are an invalid selection");
+ /* Check key length and calculate GCM pre-compute. */
+ switch (key_length) {
+ case 16:
+ sess->key = GCM_KEY_128;
+ break;
+ case 24:
+ sess->key = GCM_KEY_192;
+ break;
+ case 32:
+ sess->key = GCM_KEY_256;
+ break;
+ default:
+ AESNI_GCM_LOG(ERR, "Invalid key length");
return -EINVAL;
}
- /* Expand GCM AES128 key */
- (*gcm_ops->aux.keyexp.aes128_enc)(cipher_xform->cipher.key.data,
- sess->gdata.expanded_keys);
+ /* setup session handlers */
+ set_func_ops(sess, &gcm_ops[sess->key]);
- /* Calculate hash sub key here */
- aesni_gcm_calculate_hash_sub_key(hsubkey, sizeof(hsubkey),
- cipher_xform->cipher.key.data,
- cipher_xform->cipher.key.length);
+ /* pre-generate key */
+ gcm_ops[sess->key].pre(key, &sess->gdata_key);
- /* Calculate GCM pre-compute */
- (*gcm_ops->gcm.precomp)(&sess->gdata, hsubkey);
+ /* 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;
}
/** Get gcm session */
static struct aesni_gcm_session *
-aesni_gcm_get_session(struct aesni_gcm_qp *qp, struct rte_crypto_sym_op *op)
+aesni_gcm_get_session(struct aesni_gcm_qp *qp, struct rte_crypto_op *op)
{
struct aesni_gcm_session *sess = NULL;
-
- if (op->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
- if (unlikely(op->session->dev_type
- != RTE_CRYPTODEV_AESNI_GCM_PMD))
- return sess;
-
- sess = (struct aesni_gcm_session *)op->session->_private;
+ struct rte_crypto_sym_op *sym_op = op->sym;
+
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
+ 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_session *)_sess)->_private;
+ sess = (struct aesni_gcm_session *)_sess_private_data;
if (unlikely(aesni_gcm_set_session_parameters(qp->ops,
- sess, op->xform) != 0)) {
+ 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 aesni_gcm_qp *qp, struct rte_crypto_sym_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;
- struct rte_mbuf *m = op->m_src;
-
- src = rte_pktmbuf_mtod(m, uint8_t *) + op->cipher.data.offset;
- dst = op->m_dst ?
- rte_pktmbuf_mtod_offset(op->m_dst, uint8_t *,
- op->cipher.data.offset) :
- rte_pktmbuf_mtod_offset(m, uint8_t *,
- op->cipher.data.offset);
-
- /* sanity checks */
- if (op->cipher.iv.length != 16 && op->cipher.iv.length != 0) {
- GCM_LOG_ERR("iv");
- return -1;
+ 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, 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;
}
- if (op->auth.aad.length != 12 && op->auth.aad.length != 8 &&
- op->auth.aad.length != 0) {
- GCM_LOG_ERR("iv");
- return -1;
+ RTE_ASSERT(m_src != NULL);
+
+ while (offset >= m_src->data_len && data_length != 0) {
+ offset -= m_src->data_len;
+ m_src = m_src->next;
+
+ RTE_ASSERT(m_src != NULL);
}
- if (op->auth.digest.length != 16 &&
- op->auth.digest.length != 12 &&
- op->auth.digest.length != 8 &&
- op->auth.digest.length != 0) {
- GCM_LOG_ERR("iv");
- return -1;
+ src = rte_pktmbuf_mtod_offset(m_src, uint8_t *, offset);
+
+ data_len = m_src->data_len - offset;
+ 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)));
+
+ /* 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);
+
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);
+
+ 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;
+ }
- (*qp->ops->gcm.enc)(&session->gdata, dst, src,
- (uint64_t)op->cipher.data.length,
- op->cipher.iv.data,
- op->auth.aad.data,
- (uint64_t)op->auth.aad.length,
- op->auth.digest.data,
- (uint64_t)op->auth.digest.length);
- } else if (session->op == AESNI_GCM_OP_AUTHENTICATED_DECRYPTION) {
- uint8_t *auth_tag = (uint8_t *)rte_pktmbuf_append(m,
- op->auth.digest.length);
+ if (session->req_digest_length != session->gen_digest_length)
+ tag = qp->temp_digest;
+ else
+ tag = sym_op->aead.digest.data;
- if (!auth_tag) {
- GCM_LOG_ERR("iv");
- return -1;
+ 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->aead.aad.data,
+ (uint64_t)session->aad_length);
+
+ qp->ops[session->key].update_dec(&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);
+
+ 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_dec(&session->gdata_key,
+ &qp->gdata_ctx,
+ dst, src,
+ (uint64_t)part_len);
+ total_len -= part_len;
}
- (*qp->ops->gcm.dec)(&session->gdata, dst, src,
- (uint64_t)op->cipher.data.length,
- op->cipher.iv.data,
- op->auth.aad.data,
- (uint64_t)op->auth.aad.length,
- auth_tag,
- (uint64_t)op->auth.digest.length);
+ tag = qp->temp_digest;
+ qp->ops[session->key].finalize_dec(&session->gdata_key,
+ &qp->gdata_ctx,
+ 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_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);
+ }
+
+ 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 {
- GCM_LOG_ERR("iv");
- return -1;
+ 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->sgl[i], vec->iv[i], vec->aad[i]);
+ vec->status[i] = aesni_gcm_sgl_op_finalize_encryption(s,
+ gdata_ctx, vec->digest[i]);
+ 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->sgl[i], vec->iv[i], vec->aad[i]);
+ vec->status[i] = aesni_gcm_sgl_op_finalize_decryption(s,
+ gdata_ctx, vec->digest[i]);
+ 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->sgl[i].num != 1) {
+ vec->status[i] = ENOTSUP;
+ continue;
+ }
+
+ aesni_gcm_process_gmac_sgl_op(s, gdata_ctx,
+ &vec->sgl[i], vec->iv[i]);
+ vec->status[i] = aesni_gcm_sgl_op_finalize_encryption(s,
+ gdata_ctx, vec->digest[i]);
+ 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->sgl[i].num != 1) {
+ vec->status[i] = ENOTSUP;
+ continue;
+ }
+
+ aesni_gcm_process_gmac_sgl_op(s, gdata_ctx,
+ &vec->sgl[i], vec->iv[i]);
+ vec->status[i] = aesni_gcm_sgl_op_finalize_decryption(s,
+ gdata_ctx, vec->digest[i]);
+ 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->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
+ 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;
}
-
- rte_ring_enqueue(qp->processed_pkts, (void *)op);
}
static uint16_t
-aesni_gcm_pmd_enqueue_burst(void *queue_pair,
+aesni_gcm_pmd_dequeue_burst(void *queue_pair,
struct rte_crypto_op **ops, uint16_t nb_ops)
{
struct aesni_gcm_session *sess;
struct aesni_gcm_qp *qp = queue_pair;
- int i, retval = 0;
+ int retval = 0;
+ unsigned int i, nb_dequeued;
- for (i = 0; i < nb_ops; i++) {
+ nb_dequeued = rte_ring_dequeue_burst(qp->processed_pkts,
+ (void **)ops, nb_ops, NULL);
+
+ for (i = 0; i < nb_dequeued; i++) {
- sess = aesni_gcm_get_session(qp, ops[i]->sym);
+ sess = aesni_gcm_get_session(qp, ops[i]);
if (unlikely(sess == NULL)) {
ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- qp->qp_stats.enqueue_err_count++;
+ qp->qp_stats.dequeue_err_count++;
break;
}
- retval = process_gcm_crypto_op(qp, ops[i]->sym, 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.enqueue_err_count++;
+ qp->qp_stats.dequeue_err_count++;
break;
}
- handle_completed_gcm_crypto_op(qp, ops[i]);
-
- qp->qp_stats.enqueued_count++;
+ handle_completed_gcm_crypto_op(qp, ops[i], sess);
}
+
+ qp->qp_stats.dequeued_count += i;
+
return i;
}
static uint16_t
-aesni_gcm_pmd_dequeue_burst(void *queue_pair,
+aesni_gcm_pmd_enqueue_burst(void *queue_pair,
struct rte_crypto_op **ops, uint16_t nb_ops)
{
struct aesni_gcm_qp *qp = queue_pair;
- unsigned nb_dequeued;
+ unsigned int nb_enqueued;
- nb_dequeued = rte_ring_dequeue_burst(qp->processed_pkts,
- (void **)ops, nb_ops);
- qp->qp_stats.dequeued_count += nb_dequeued;
+ nb_enqueued = rte_ring_enqueue_burst(qp->processed_pkts,
+ (void **)ops, nb_ops, NULL);
+ qp->qp_stats.enqueued_count += nb_enqueued;
- return nb_dequeued;
+ return nb_enqueued;
}
-static int aesni_gcm_uninit(const char *name);
+static int aesni_gcm_remove(struct rte_vdev_device *vdev);
static int
aesni_gcm_create(const char *name,
- struct rte_crypto_vdev_init_params *init_params)
+ struct rte_vdev_device *vdev,
+ struct rte_cryptodev_pmd_init_params *init_params)
{
struct rte_cryptodev *dev;
- char crypto_dev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
struct aesni_gcm_private *internals;
enum aesni_gcm_vector_mode vector_mode;
+ MB_MGR *mb_mgr;
- /* 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_pmd_create(name, &vdev->device, init_params);
+ if (dev == NULL) {
+ AESNI_GCM_LOG(ERR, "driver %s: create failed",
+ init_params->name);
+ return -ENODEV;
}
/* Check CPU for supported vector instruction set */
- if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2))
+ 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 if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
+ else
vector_mode = RTE_AESNI_GCM_SSE;
- else {
- GCM_LOG_ERR("Vector instructions are not supported by CPU");
- return -EFAULT;
- }
- /* create a unique device name */
- if (create_unique_device_name(crypto_dev_name,
- RTE_CRYPTODEV_NAME_MAX_LEN) != 0) {
- GCM_LOG_ERR("failed to create unique cryptodev name");
- return -EINVAL;
- }
-
-
- dev = rte_cryptodev_pmd_virtual_dev_init(crypto_dev_name,
- sizeof(struct aesni_gcm_private), init_params->socket_id);
- if (dev == NULL) {
- GCM_LOG_ERR("failed to create cryptodev vdev");
- goto init_error;
- }
-
- dev->dev_type = RTE_CRYPTODEV_AESNI_GCM_PMD;
+ 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_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;
- default:
+ case RTE_AESNI_GCM_AVX512:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX2;
+ init_mb_mgr_avx512(mb_mgr);
break;
+ default:
+ AESNI_GCM_LOG(ERR, "Unsupported vector mode %u\n", vector_mode);
+ goto error_exit;
}
- /* Set vector instructions mode supported */
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;
+
+ 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;
+
+ 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;
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", name);
+error_exit:
+ if (mb_mgr)
+ free_mb_mgr(mb_mgr);
- aesni_gcm_uninit(crypto_dev_name);
- return -EFAULT;
+ rte_cryptodev_pmd_destroy(dev);
+
+ return -1;
}
static int
-aesni_gcm_init(const char *name, const char *input_args)
+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,
- rte_socket_id()
+ struct rte_cryptodev_pmd_init_params init_params = {
+ "",
+ sizeof(struct aesni_gcm_private),
+ rte_socket_id(),
+ RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
};
+ const char *name;
+ const char *input_args;
- rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
-
- RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
- init_params.socket_id);
- 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);
+ name = rte_vdev_device_name(vdev);
+ if (name == NULL)
+ return -EINVAL;
+ input_args = rte_vdev_device_args(vdev);
+ rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
- return aesni_gcm_create(name, &init_params);
+ return aesni_gcm_create(name, vdev, &init_params);
}
static int
-aesni_gcm_uninit(const char *name)
+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_driver aesni_gcm_pmd_drv = {
- .name = CRYPTODEV_NAME_AESNI_GCM_PMD,
- .type = PMD_VDEV,
- .init = aesni_gcm_init,
- .uninit = aesni_gcm_uninit
+static struct rte_vdev_driver aesni_gcm_pmd_drv = {
+ .probe = aesni_gcm_probe,
+ .remove = aesni_gcm_remove
};
-PMD_REGISTER_DRIVER(aesni_gcm_pmd_drv, aesni_gcm);
-DRIVER_REGISTER_PARAM_STRING(aesni_gcm, "max_nb_queue_pairs=<int> "
-"max_nb_sessions=<int> socket_id=<int>");
+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> "
+ "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");
+}