aboutsummaryrefslogtreecommitdiffstats
path: root/lib/librte_security/rte_security.c
blob: 1e559c99cab4961222a3bd18de619eaae8909860 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
/*-
 *   BSD LICENSE
 *
 *   Copyright 2017 NXP.
 *   Copyright(c) 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 NXP 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.
 */

#include <rte_malloc.h>
#include <rte_dev.h>
#include "rte_compat.h"
#include "rte_security.h"
#include "rte_security_driver.h"

struct rte_security_session *
__rte_experimental rte_security_session_create(struct rte_security_ctx *instance,
			    struct rte_security_session_conf *conf,
			    struct rte_mempool *mp)
{
	struct rte_security_session *sess = NULL;

	if (conf == NULL)
		return NULL;

	RTE_FUNC_PTR_OR_ERR_RET(*instance->ops->session_create, NULL);

	if (rte_mempool_get(mp, (void **)&sess))
		return NULL;

	if (instance->ops->session_create(instance->device, conf, sess, mp)) {
		rte_mempool_put(mp, (void *)sess);
		return NULL;
	}
	instance->sess_cnt++;

	return sess;
}

int __rte_experimental
rte_security_session_update(struct rte_security_ctx *instance,
			    struct rte_security_session *sess,
			    struct rte_security_session_conf *conf)
{
	RTE_FUNC_PTR_OR_ERR_RET(*instance->ops->session_update, -ENOTSUP);
	return instance->ops->session_update(instance->device, sess, conf);
}

unsigned int __rte_experimental
rte_security_session_get_size(struct rte_security_ctx *instance)
{
	RTE_FUNC_PTR_OR_ERR_RET(*instance->ops->session_get_size, 0);
	return instance->ops->session_get_size(instance->device);
}

int __rte_experimental
rte_security_session_stats_get(struct rte_security_ctx *instance,
			       struct rte_security_session *sess,
			       struct rte_security_stats *stats)
{
	RTE_FUNC_PTR_OR_ERR_RET(*instance->ops->session_stats_get, -ENOTSUP);
	return instance->ops->session_stats_get(instance->device, sess, stats);
}

int __rte_experimental
rte_security_session_destroy(struct rte_security_ctx *instance,
			     struct rte_security_session *sess)
{
	int ret;
	struct rte_mempool *mp = rte_mempool_from_obj(sess);

	RTE_FUNC_PTR_OR_ERR_RET(*instance->ops->session_destroy, -ENOTSUP);

	if (instance->sess_cnt)
		instance->sess_cnt--;

	ret = instance->ops->session_destroy(instance->device, sess);
	if (!ret)
		rte_mempool_put(mp, (void *)sess);

	return ret;
}

int __rte_experimental
rte_security_set_pkt_metadata(struct rte_security_ctx *instance,
			      struct rte_security_session *sess,
			      struct rte_mbuf *m, void *params)
{
	RTE_FUNC_PTR_OR_ERR_RET(*instance->ops->set_pkt_metadata, -ENOTSUP);
	return instance->ops->set_pkt_metadata(instance->device,
					       sess, m, params);
}

void * __rte_experimental
rte_security_get_userdata(struct rte_security_ctx *instance, uint64_t md)
{
	void *userdata = NULL;

	RTE_FUNC_PTR_OR_ERR_RET(*instance->ops->get_userdata, NULL);
	if (instance->ops->get_userdata(instance->device, md, &userdata))
		return NULL;

	return userdata;
}

const struct rte_security_capability * __rte_experimental
rte_security_capabilities_get(struct rte_security_ctx *instance)
{
	RTE_FUNC_PTR_OR_ERR_RET(*instance->ops->capabilities_get, NULL);
	return instance->ops->capabilities_get(instance->device);
}

const struct rte_security_capability * __rte_experimental
rte_security_capability_get(struct rte_security_ctx *instance,
			    struct rte_security_capability_idx *idx)
{
	const struct rte_security_capability *capabilities;
	const struct rte_security_capability *capability;
	uint16_t i = 0;

	RTE_FUNC_PTR_OR_ERR_RET(*instance->ops->capabilities_get, NULL);
	capabilities = instance->ops->capabilities_get(instance->device);

	if (capabilities == NULL)
		return NULL;

	while ((capability = &capabilities[i++])->action
			!= RTE_SECURITY_ACTION_TYPE_NONE) {
		if (capability->action  == idx->action &&
				capability->protocol == idx->protocol) {
			if (idx->protocol == RTE_SECURITY_PROTOCOL_IPSEC) {
				if (capability->ipsec.proto ==
						idx->ipsec.proto &&
					capability->ipsec.mode ==
							idx->ipsec.mode &&
					capability->ipsec.direction ==
							idx->ipsec.direction)
					return capability;
			}
		}
	}

	return NULL;
}