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authorLuca Boccassi <luca.boccassi@gmail.com>2018-08-14 18:52:30 +0100
committerLuca Boccassi <luca.boccassi@gmail.com>2018-08-14 18:53:17 +0100
commitb63264c8342e6a1b6971c79550d2af2024b6a4de (patch)
tree83114aac64286fe616506c0b3dfaec2ab86ef835 /drivers/crypto/zuc/rte_zuc_pmd.c
parentca33590b6af032bff57d9cc70455660466a654b2 (diff)
New upstream version 18.08upstream/18.08
Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/crypto/zuc/rte_zuc_pmd.c')
-rw-r--r--drivers/crypto/zuc/rte_zuc_pmd.c152
1 files changed, 86 insertions, 66 deletions
diff --git a/drivers/crypto/zuc/rte_zuc_pmd.c b/drivers/crypto/zuc/rte_zuc_pmd.c
index ad65b80c..313f4590 100644
--- a/drivers/crypto/zuc/rte_zuc_pmd.c
+++ b/drivers/crypto/zuc/rte_zuc_pmd.c
@@ -1,5 +1,5 @@
/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2016-2017 Intel Corporation
+ * Copyright(c) 2016-2018 Intel Corporation
*/
#include <rte_common.h>
@@ -11,8 +11,7 @@
#include <rte_cpuflags.h>
#include "rte_zuc_pmd_private.h"
-
-#define ZUC_MAX_BURST 8
+#define ZUC_MAX_BURST 4
#define BYTE_LEN 8
static uint8_t cryptodev_driver_id;
@@ -78,7 +77,7 @@ zuc_set_session_parameters(struct zuc_session *sess,
break;
case ZUC_OP_NOT_SUPPORTED:
default:
- ZUC_LOG_ERR("Unsupported operation chain order parameter");
+ ZUC_LOG(ERR, "Unsupported operation chain order parameter");
return -ENOTSUP;
}
@@ -88,7 +87,7 @@ zuc_set_session_parameters(struct zuc_session *sess,
return -ENOTSUP;
if (cipher_xform->cipher.iv.length != ZUC_IV_KEY_LENGTH) {
- ZUC_LOG_ERR("Wrong IV length");
+ ZUC_LOG(ERR, "Wrong IV length");
return -EINVAL;
}
sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
@@ -104,14 +103,14 @@ zuc_set_session_parameters(struct zuc_session *sess,
return -ENOTSUP;
if (auth_xform->auth.digest_length != ZUC_DIGEST_LENGTH) {
- ZUC_LOG_ERR("Wrong digest length");
+ ZUC_LOG(ERR, "Wrong digest length");
return -EINVAL;
}
sess->auth_op = auth_xform->auth.op;
if (auth_xform->auth.iv.length != ZUC_IV_KEY_LENGTH) {
- ZUC_LOG_ERR("Wrong IV length");
+ ZUC_LOG(ERR, "Wrong IV length");
return -EINVAL;
}
sess->auth_iv_offset = auth_xform->auth.iv.offset;
@@ -135,7 +134,7 @@ zuc_get_session(struct zuc_qp *qp, struct rte_crypto_op *op)
if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
if (likely(op->sym->session != NULL))
- sess = (struct zuc_session *)get_session_private_data(
+ sess = (struct zuc_session *)get_sym_session_private_data(
op->sym->session,
cryptodev_driver_id);
} else {
@@ -157,8 +156,8 @@ zuc_get_session(struct zuc_qp *qp, struct rte_crypto_op *op)
sess = NULL;
}
op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
- set_session_private_data(op->sym->session, cryptodev_driver_id,
- _sess_private_data);
+ set_sym_session_private_data(op->sym->session,
+ cryptodev_driver_id, _sess_private_data);
}
if (unlikely(sess == NULL))
@@ -168,10 +167,10 @@ zuc_get_session(struct zuc_qp *qp, struct rte_crypto_op *op)
return sess;
}
-/** Encrypt/decrypt mbufs with same cipher key. */
+/** Encrypt/decrypt mbufs. */
static uint8_t
process_zuc_cipher_op(struct rte_crypto_op **ops,
- struct zuc_session *session,
+ struct zuc_session **sessions,
uint8_t num_ops)
{
unsigned i;
@@ -180,22 +179,25 @@ process_zuc_cipher_op(struct rte_crypto_op **ops,
uint8_t *iv[ZUC_MAX_BURST];
uint32_t num_bytes[ZUC_MAX_BURST];
uint8_t *cipher_keys[ZUC_MAX_BURST];
+ struct zuc_session *sess;
for (i = 0; i < num_ops; i++) {
if (((ops[i]->sym->cipher.data.length % BYTE_LEN) != 0)
|| ((ops[i]->sym->cipher.data.offset
% BYTE_LEN) != 0)) {
ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- ZUC_LOG_ERR("Data Length or offset");
+ ZUC_LOG(ERR, "Data Length or offset");
break;
}
+ sess = sessions[i];
+
#ifdef RTE_LIBRTE_PMD_ZUC_DEBUG
if (!rte_pktmbuf_is_contiguous(ops[i]->sym->m_src) ||
(ops[i]->sym->m_dst != NULL &&
!rte_pktmbuf_is_contiguous(
ops[i]->sym->m_dst))) {
- ZUC_LOG_ERR("PMD supports only contiguous mbufs, "
+ ZUC_LOG(ERR, "PMD supports only contiguous mbufs, "
"op (%p) provides noncontiguous mbuf as "
"source/destination buffer.\n", ops[i]);
ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
@@ -211,10 +213,10 @@ process_zuc_cipher_op(struct rte_crypto_op **ops,
rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
(ops[i]->sym->cipher.data.offset >> 3);
iv[i] = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
- session->cipher_iv_offset);
+ sess->cipher_iv_offset);
num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
- cipher_keys[i] = session->pKey_cipher;
+ cipher_keys[i] = sess->pKey_cipher;
processed_ops++;
}
@@ -225,10 +227,10 @@ process_zuc_cipher_op(struct rte_crypto_op **ops,
return processed_ops;
}
-/** Generate/verify hash from mbufs with same hash key. */
+/** Generate/verify hash from mbufs. */
static int
process_zuc_hash_op(struct zuc_qp *qp, struct rte_crypto_op **ops,
- struct zuc_session *session,
+ struct zuc_session **sessions,
uint8_t num_ops)
{
unsigned i;
@@ -237,26 +239,29 @@ process_zuc_hash_op(struct zuc_qp *qp, struct rte_crypto_op **ops,
uint32_t *dst;
uint32_t length_in_bits;
uint8_t *iv;
+ struct zuc_session *sess;
for (i = 0; i < num_ops; i++) {
/* Data must be byte aligned */
if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- ZUC_LOG_ERR("Offset");
+ ZUC_LOG(ERR, "Offset");
break;
}
+ sess = sessions[i];
+
length_in_bits = ops[i]->sym->auth.data.length;
src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
(ops[i]->sym->auth.data.offset >> 3);
iv = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
- session->auth_iv_offset);
+ sess->auth_iv_offset);
- if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
+ if (sess->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
dst = (uint32_t *)qp->temp_digest;
- sso_zuc_eia3_1_buffer(session->pKey_hash,
+ sso_zuc_eia3_1_buffer(sess->pKey_hash,
iv, src,
length_in_bits, dst);
/* Verify digest. */
@@ -266,7 +271,7 @@ process_zuc_hash_op(struct zuc_qp *qp, struct rte_crypto_op **ops,
} else {
dst = (uint32_t *)ops[i]->sym->auth.digest.data;
- sso_zuc_eia3_1_buffer(session->pKey_hash,
+ sso_zuc_eia3_1_buffer(sess->pKey_hash,
iv, src,
length_in_bits, dst);
}
@@ -276,33 +281,34 @@ process_zuc_hash_op(struct zuc_qp *qp, struct rte_crypto_op **ops,
return processed_ops;
}
-/** Process a batch of crypto ops which shares the same session. */
+/** Process a batch of crypto ops which shares the same operation type. */
static int
-process_ops(struct rte_crypto_op **ops, struct zuc_session *session,
+process_ops(struct rte_crypto_op **ops, enum zuc_operation op_type,
+ struct zuc_session **sessions,
struct zuc_qp *qp, uint8_t num_ops,
uint16_t *accumulated_enqueued_ops)
{
unsigned i;
unsigned enqueued_ops, processed_ops;
- switch (session->op) {
+ switch (op_type) {
case ZUC_OP_ONLY_CIPHER:
processed_ops = process_zuc_cipher_op(ops,
- session, num_ops);
+ sessions, num_ops);
break;
case ZUC_OP_ONLY_AUTH:
- processed_ops = process_zuc_hash_op(qp, ops, session,
+ processed_ops = process_zuc_hash_op(qp, ops, sessions,
num_ops);
break;
case ZUC_OP_CIPHER_AUTH:
- processed_ops = process_zuc_cipher_op(ops, session,
+ processed_ops = process_zuc_cipher_op(ops, sessions,
num_ops);
- process_zuc_hash_op(qp, ops, session, processed_ops);
+ process_zuc_hash_op(qp, ops, sessions, processed_ops);
break;
case ZUC_OP_AUTH_CIPHER:
- processed_ops = process_zuc_hash_op(qp, ops, session,
+ processed_ops = process_zuc_hash_op(qp, ops, sessions,
num_ops);
- process_zuc_cipher_op(ops, session, processed_ops);
+ process_zuc_cipher_op(ops, sessions, processed_ops);
break;
default:
/* Operation not supported. */
@@ -318,10 +324,10 @@ process_ops(struct rte_crypto_op **ops, struct zuc_session *session,
ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
/* Free session if a session-less crypto op. */
if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
- memset(session, 0, sizeof(struct zuc_session));
+ memset(sessions[i], 0, sizeof(struct zuc_session));
memset(ops[i]->sym->session, 0,
- rte_cryptodev_get_header_session_size());
- rte_mempool_put(qp->sess_mp, session);
+ rte_cryptodev_sym_get_header_session_size());
+ rte_mempool_put(qp->sess_mp, sessions[i]);
rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
ops[i]->sym->session = NULL;
}
@@ -342,7 +348,10 @@ zuc_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
struct rte_crypto_op *c_ops[ZUC_MAX_BURST];
struct rte_crypto_op *curr_c_op;
- struct zuc_session *prev_sess = NULL, *curr_sess = NULL;
+ struct zuc_session *curr_sess;
+ struct zuc_session *sessions[ZUC_MAX_BURST];
+ enum zuc_operation prev_zuc_op = ZUC_OP_NOT_SUPPORTED;
+ enum zuc_operation curr_zuc_op;
struct zuc_qp *qp = queue_pair;
unsigned i;
uint8_t burst_size = 0;
@@ -352,61 +361,70 @@ zuc_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
for (i = 0; i < nb_ops; i++) {
curr_c_op = ops[i];
- /* Set status as enqueued (not processed yet) by default. */
- curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
-
curr_sess = zuc_get_session(qp, curr_c_op);
- if (unlikely(curr_sess == NULL ||
- curr_sess->op == ZUC_OP_NOT_SUPPORTED)) {
+ if (unlikely(curr_sess == NULL)) {
curr_c_op->status =
RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
break;
}
- /* Batch ops that share the same session. */
- if (prev_sess == NULL) {
- prev_sess = curr_sess;
- c_ops[burst_size++] = curr_c_op;
- } else if (curr_sess == prev_sess) {
- c_ops[burst_size++] = curr_c_op;
+ curr_zuc_op = curr_sess->op;
+
+ /*
+ * Batch ops that share the same operation type
+ * (cipher only, auth only...).
+ */
+ if (burst_size == 0) {
+ prev_zuc_op = curr_zuc_op;
+ c_ops[0] = curr_c_op;
+ sessions[0] = curr_sess;
+ burst_size++;
+ } else if (curr_zuc_op == prev_zuc_op) {
+ c_ops[burst_size] = curr_c_op;
+ sessions[burst_size] = curr_sess;
+ burst_size++;
/*
* When there are enough ops to process in a batch,
* process them, and start a new batch.
*/
if (burst_size == ZUC_MAX_BURST) {
- processed_ops = process_ops(c_ops, prev_sess,
- qp, burst_size, &enqueued_ops);
+ processed_ops = process_ops(c_ops, curr_zuc_op,
+ sessions, qp, burst_size,
+ &enqueued_ops);
if (processed_ops < burst_size) {
burst_size = 0;
break;
}
burst_size = 0;
- prev_sess = NULL;
}
} else {
/*
- * Different session, process the ops
- * of the previous session.
+ * Different operation type, process the ops
+ * of the previous type.
*/
- processed_ops = process_ops(c_ops, prev_sess,
- qp, burst_size, &enqueued_ops);
+ processed_ops = process_ops(c_ops, prev_zuc_op,
+ sessions, qp, burst_size,
+ &enqueued_ops);
if (processed_ops < burst_size) {
burst_size = 0;
break;
}
burst_size = 0;
- prev_sess = curr_sess;
+ prev_zuc_op = curr_zuc_op;
- c_ops[burst_size++] = curr_c_op;
+ c_ops[0] = curr_c_op;
+ sessions[0] = curr_sess;
+ burst_size++;
}
}
if (burst_size != 0) {
- /* Process the crypto ops of the last session. */
- processed_ops = process_ops(c_ops, prev_sess,
- qp, burst_size, &enqueued_ops);
+ /* Process the crypto ops of the last operation type. */
+ processed_ops = process_ops(c_ops, prev_zuc_op,
+ sessions, qp, burst_size,
+ &enqueued_ops);
}
qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
@@ -442,7 +460,7 @@ cryptodev_zuc_create(const char *name,
dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
if (dev == NULL) {
- ZUC_LOG_ERR("failed to create cryptodev vdev");
+ ZUC_LOG(ERR, "failed to create cryptodev vdev");
goto init_error;
}
@@ -460,11 +478,10 @@ cryptodev_zuc_create(const char *name,
internals = dev->data->dev_private;
internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
- internals->max_nb_sessions = init_params->max_nb_sessions;
return 0;
init_error:
- ZUC_LOG_ERR("driver %s: cryptodev_zuc_create failed",
+ ZUC_LOG(ERR, "driver %s: failed",
init_params->name);
cryptodev_zuc_remove(vdev);
@@ -478,8 +495,7 @@ cryptodev_zuc_probe(struct rte_vdev_device *vdev)
"",
sizeof(struct zuc_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;
@@ -522,7 +538,11 @@ static struct cryptodev_driver zuc_crypto_drv;
RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_ZUC_PMD, cryptodev_zuc_pmd_drv);
RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_ZUC_PMD,
"max_nb_queue_pairs=<int> "
- "max_nb_sessions=<int> "
"socket_id=<int>");
-RTE_PMD_REGISTER_CRYPTO_DRIVER(zuc_crypto_drv, cryptodev_zuc_pmd_drv,
+RTE_PMD_REGISTER_CRYPTO_DRIVER(zuc_crypto_drv, cryptodev_zuc_pmd_drv.driver,
cryptodev_driver_id);
+
+RTE_INIT(zuc_init_log)
+{
+ zuc_logtype_driver = rte_log_register("pmd.crypto.zuc");
+}