summaryrefslogtreecommitdiff
path: root/lib/librte_security/rte_security.c
blob: c6355de9539feb22ab4c6598b24cc6379ddd55e9 (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
/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright 2017 NXP.
 * Copyright(c) 2017 Intel Corporation.
 */

#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;

	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(rte_mempool_from_obj(sess), (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;
			} else if (idx->protocol == RTE_SECURITY_PROTOCOL_PDCP) {
				if (capability->pdcp.domain ==
							idx->pdcp.domain)
					return capability;
			}
		}
	}

	return NULL;
}