summaryrefslogtreecommitdiffstats
path: root/drivers/crypto/kasumi/rte_kasumi_pmd.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/crypto/kasumi/rte_kasumi_pmd.c')
-rw-r--r--drivers/crypto/kasumi/rte_kasumi_pmd.c156
1 files changed, 80 insertions, 76 deletions
diff --git a/drivers/crypto/kasumi/rte_kasumi_pmd.c b/drivers/crypto/kasumi/rte_kasumi_pmd.c
index 9da9e897..38cd8a9b 100644
--- a/drivers/crypto/kasumi/rte_kasumi_pmd.c
+++ b/drivers/crypto/kasumi/rte_kasumi_pmd.c
@@ -1,7 +1,7 @@
/*-
* BSD LICENSE
*
- * Copyright(c) 2016 Intel Corporation. All rights reserved.
+ * 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
@@ -35,6 +35,7 @@
#include <rte_hexdump.h>
#include <rte_cryptodev.h>
#include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
#include <rte_vdev.h>
#include <rte_malloc.h>
#include <rte_cpuflags.h>
@@ -47,6 +48,8 @@
#define KASUMI_MAX_BURST 4
#define BYTE_LEN 8
+static uint8_t cryptodev_driver_id;
+
/** Get xform chain order. */
static enum kasumi_operation
kasumi_get_mode(const struct rte_crypto_sym_xform *xform)
@@ -108,13 +111,20 @@ kasumi_set_session_parameters(struct kasumi_session *sess,
case KASUMI_OP_NOT_SUPPORTED:
default:
KASUMI_LOG_ERR("Unsupported operation chain order parameter");
- return -EINVAL;
+ return -ENOTSUP;
}
if (cipher_xform) {
/* Only KASUMI F8 supported */
if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_KASUMI_F8)
+ return -ENOTSUP;
+
+ sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
+ if (cipher_xform->cipher.iv.length != KASUMI_IV_LENGTH) {
+ KASUMI_LOG_ERR("Wrong IV length");
return -EINVAL;
+ }
+
/* Initialize key */
sso_kasumi_init_f8_key_sched(cipher_xform->cipher.key.data,
&sess->pKeySched_cipher);
@@ -123,8 +133,15 @@ kasumi_set_session_parameters(struct kasumi_session *sess,
if (auth_xform) {
/* Only KASUMI F9 supported */
if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_KASUMI_F9)
+ return -ENOTSUP;
+
+ if (auth_xform->auth.digest_length != KASUMI_DIGEST_LENGTH) {
+ KASUMI_LOG_ERR("Wrong digest length");
return -EINVAL;
+ }
+
sess->auth_op = auth_xform->auth.op;
+
/* Initialize key */
sso_kasumi_init_f9_key_sched(auth_xform->auth.key.data,
&sess->pKeySched_hash);
@@ -140,27 +157,40 @@ kasumi_set_session_parameters(struct kasumi_session *sess,
static struct kasumi_session *
kasumi_get_session(struct kasumi_qp *qp, struct rte_crypto_op *op)
{
- struct kasumi_session *sess;
-
- if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
- if (unlikely(op->sym->session->dev_type !=
- RTE_CRYPTODEV_KASUMI_PMD))
+ struct kasumi_session *sess = NULL;
+
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
+ if (likely(op->sym->session != NULL))
+ sess = (struct kasumi_session *)
+ get_session_private_data(
+ op->sym->session,
+ cryptodev_driver_id);
+ } else {
+ void *_sess = NULL;
+ void *_sess_private_data = NULL;
+
+ if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
return NULL;
- sess = (struct kasumi_session *)op->sym->session->_private;
- } else {
- struct rte_cryptodev_session *c_sess = NULL;
-
- if (rte_mempool_get(qp->sess_mp, (void **)&c_sess))
+ if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
return NULL;
- sess = (struct kasumi_session *)c_sess->_private;
+ sess = (struct kasumi_session *)_sess_private_data;
if (unlikely(kasumi_set_session_parameters(sess,
- op->sym->xform) != 0))
- return NULL;
+ op->sym->xform) != 0)) {
+ rte_mempool_put(qp->sess_mp, _sess);
+ rte_mempool_put(qp->sess_mp, _sess_private_data);
+ sess = NULL;
+ }
+ op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
+ set_session_private_data(op->sym->session, cryptodev_driver_id,
+ _sess_private_data);
}
+ if (unlikely(sess == NULL))
+ op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
+
return sess;
}
@@ -173,17 +203,11 @@ process_kasumi_cipher_op(struct rte_crypto_op **ops,
unsigned i;
uint8_t processed_ops = 0;
uint8_t *src[num_ops], *dst[num_ops];
- uint64_t IV[num_ops];
+ uint8_t *iv_ptr;
+ uint64_t iv[num_ops];
uint32_t num_bytes[num_ops];
for (i = 0; i < num_ops; i++) {
- /* Sanity checks. */
- if (ops[i]->sym->cipher.iv.length != KASUMI_IV_LENGTH) {
- ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- KASUMI_LOG_ERR("iv");
- break;
- }
-
src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
(ops[i]->sym->cipher.data.offset >> 3);
dst[i] = ops[i]->sym->m_dst ?
@@ -191,14 +215,16 @@ process_kasumi_cipher_op(struct rte_crypto_op **ops,
(ops[i]->sym->cipher.data.offset >> 3) :
rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
(ops[i]->sym->cipher.data.offset >> 3);
- IV[i] = *((uint64_t *)(ops[i]->sym->cipher.iv.data));
+ iv_ptr = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
+ session->cipher_iv_offset);
+ iv[i] = *((uint64_t *)(iv_ptr));
num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
processed_ops++;
}
if (processed_ops != 0)
- sso_kasumi_f8_n_buffer(&session->pKeySched_cipher, IV,
+ sso_kasumi_f8_n_buffer(&session->pKeySched_cipher, iv,
src, dst, num_bytes, processed_ops);
return processed_ops;
@@ -210,16 +236,10 @@ process_kasumi_cipher_op_bit(struct rte_crypto_op *op,
struct kasumi_session *session)
{
uint8_t *src, *dst;
- uint64_t IV;
+ uint8_t *iv_ptr;
+ uint64_t iv;
uint32_t length_in_bits, offset_in_bits;
- /* Sanity checks. */
- if (unlikely(op->sym->cipher.iv.length != KASUMI_IV_LENGTH)) {
- op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- KASUMI_LOG_ERR("iv");
- return 0;
- }
-
offset_in_bits = op->sym->cipher.data.offset;
src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
if (op->sym->m_dst == NULL) {
@@ -228,10 +248,12 @@ process_kasumi_cipher_op_bit(struct rte_crypto_op *op,
return 0;
}
dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
- IV = *((uint64_t *)(op->sym->cipher.iv.data));
+ iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
+ session->cipher_iv_offset);
+ iv = *((uint64_t *)(iv_ptr));
length_in_bits = op->sym->cipher.data.length;
- sso_kasumi_f8_1_buffer_bit(&session->pKeySched_cipher, IV,
+ sso_kasumi_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
src, dst, length_in_bits, offset_in_bits);
return 1;
@@ -248,23 +270,8 @@ process_kasumi_hash_op(struct rte_crypto_op **ops,
uint8_t *src, *dst;
uint32_t length_in_bits;
uint32_t num_bytes;
- uint32_t shift_bits;
- uint64_t IV;
- uint8_t direction;
for (i = 0; i < num_ops; i++) {
- if (unlikely(ops[i]->sym->auth.aad.length != KASUMI_IV_LENGTH)) {
- ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- KASUMI_LOG_ERR("aad");
- break;
- }
-
- if (unlikely(ops[i]->sym->auth.digest.length != KASUMI_DIGEST_LENGTH)) {
- ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- KASUMI_LOG_ERR("digest");
- break;
- }
-
/* Data must be byte aligned */
if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
@@ -276,34 +283,28 @@ process_kasumi_hash_op(struct rte_crypto_op **ops,
src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
(ops[i]->sym->auth.data.offset >> 3);
- /* IV from AAD */
- IV = *((uint64_t *)(ops[i]->sym->auth.aad.data));
/* Direction from next bit after end of message */
- num_bytes = (length_in_bits >> 3) + 1;
- shift_bits = (BYTE_LEN - 1 - length_in_bits) % BYTE_LEN;
- direction = (src[num_bytes - 1] >> shift_bits) & 0x01;
+ num_bytes = length_in_bits >> 3;
if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
dst = (uint8_t *)rte_pktmbuf_append(ops[i]->sym->m_src,
- ops[i]->sym->auth.digest.length);
+ KASUMI_DIGEST_LENGTH);
+ sso_kasumi_f9_1_buffer(&session->pKeySched_hash, src,
+ num_bytes, dst);
- sso_kasumi_f9_1_buffer_user(&session->pKeySched_hash,
- IV, src,
- length_in_bits, dst, direction);
/* Verify digest. */
if (memcmp(dst, ops[i]->sym->auth.digest.data,
- ops[i]->sym->auth.digest.length) != 0)
+ KASUMI_DIGEST_LENGTH) != 0)
ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
/* Trim area used for digest from mbuf. */
rte_pktmbuf_trim(ops[i]->sym->m_src,
- ops[i]->sym->auth.digest.length);
+ KASUMI_DIGEST_LENGTH);
} else {
dst = ops[i]->sym->auth.digest.data;
- sso_kasumi_f9_1_buffer_user(&session->pKeySched_hash,
- IV, src,
- length_in_bits, dst, direction);
+ sso_kasumi_f9_1_buffer(&session->pKeySched_hash, src,
+ num_bytes, dst);
}
processed_ops++;
}
@@ -352,7 +353,11 @@ process_ops(struct rte_crypto_op **ops, struct kasumi_session *session,
if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
/* Free session if a session-less crypto op. */
- if (ops[i]->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
+ if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+ memset(session, 0, sizeof(struct kasumi_session));
+ memset(ops[i]->sym->session, 0,
+ rte_cryptodev_get_header_session_size());
+ rte_mempool_put(qp->sess_mp, session);
rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
ops[i]->sym->session = NULL;
}
@@ -404,8 +409,9 @@ process_op_bit(struct rte_crypto_op *op, struct kasumi_session *session,
op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
/* Free session if a session-less crypto op. */
- if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
- rte_mempool_put(qp->sess_mp, op->sym->session);
+ if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+ memset(op->sym->session, 0, sizeof(struct kasumi_session));
+ rte_cryptodev_sym_session_free(op->sym->session);
op->sym->session = NULL;
}
@@ -566,21 +572,18 @@ cryptodev_kasumi_create(const char *name,
/* Check CPU for supported vector instruction set */
if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
cpu_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
- else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
+ else
cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
- else {
- KASUMI_LOG_ERR("Vector instructions are not supported by CPU");
- return -EFAULT;
- }
- dev = rte_cryptodev_pmd_virtual_dev_init(init_params->name,
- sizeof(struct kasumi_private), init_params->socket_id);
+ dev = rte_cryptodev_vdev_pmd_init(init_params->name,
+ sizeof(struct kasumi_private), init_params->socket_id,
+ vdev);
if (dev == NULL) {
KASUMI_LOG_ERR("failed to create cryptodev vdev");
goto init_error;
}
- dev->dev_type = RTE_CRYPTODEV_KASUMI_PMD;
+ dev->driver_id = cryptodev_driver_id;
dev->dev_ops = rte_kasumi_pmd_ops;
/* Register RX/TX burst functions for data path. */
@@ -622,7 +625,7 @@ cryptodev_kasumi_probe(struct rte_vdev_device *vdev)
return -EINVAL;
input_args = rte_vdev_device_args(vdev);
- rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
+ 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);
@@ -664,3 +667,4 @@ RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_KASUMI_PMD,
"max_nb_queue_pairs=<int> "
"max_nb_sessions=<int> "
"socket_id=<int>");
+RTE_PMD_REGISTER_CRYPTO_DRIVER(cryptodev_kasumi_pmd_drv, cryptodev_driver_id);