2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
18 #include <vnet/ip/ip.h>
19 #include <vnet/crypto/crypto.h>
20 #include <vnet/feature/feature.h>
22 #include <vppinfra/types.h>
23 #include <vppinfra/cache.h>
25 #include <vnet/ipsec/ipsec_spd.h>
26 #include <vnet/ipsec/ipsec_spd_policy.h>
27 #include <vnet/ipsec/ipsec_sa.h>
28 #include <vnet/ipsec/ipsec_if.h>
30 typedef clib_error_t *(*add_del_sa_sess_cb_t) (u32 sa_index, u8 is_add);
31 typedef clib_error_t *(*check_support_cb_t) (ipsec_sa_t * sa);
36 /* add/del callback */
37 add_del_sa_sess_cb_t add_del_sa_sess_cb;
38 /* check support function */
39 check_support_cb_t check_support_cb;
40 u32 ah4_encrypt_node_index;
41 u32 ah4_decrypt_node_index;
42 u32 ah4_encrypt_next_index;
43 u32 ah4_decrypt_next_index;
44 u32 ah6_encrypt_node_index;
45 u32 ah6_decrypt_node_index;
46 u32 ah6_encrypt_next_index;
47 u32 ah6_decrypt_next_index;
53 /* add/del callback */
54 add_del_sa_sess_cb_t add_del_sa_sess_cb;
55 /* check support function */
56 check_support_cb_t check_support_cb;
57 u32 esp4_encrypt_node_index;
58 u32 esp4_decrypt_node_index;
59 u32 esp4_encrypt_next_index;
60 u32 esp4_decrypt_next_index;
61 u32 esp6_encrypt_node_index;
62 u32 esp6_decrypt_node_index;
63 u32 esp6_encrypt_next_index;
64 u32 esp6_decrypt_next_index;
65 } ipsec_esp_backend_t;
69 vnet_crypto_op_type_t enc_op_type;
70 vnet_crypto_op_type_t dec_op_type;
73 } ipsec_main_crypto_alg_t;
77 vnet_crypto_op_type_t op_type;
79 } ipsec_main_integ_alg_t;
83 vnet_crypto_op_t *crypto_ops;
84 vnet_crypto_op_t *integ_ops;
85 } ipsec_per_thread_data_t;
89 /* pool of tunnel instances */
91 /* Pool of security associations */
93 /* pool of policies */
94 ipsec_policy_t *policies;
96 /* pool of tunnel interfaces */
97 ipsec_tunnel_if_t *tunnel_interfaces;
99 uword *tunnel_index_by_key;
102 vlib_main_t *vlib_main;
103 vnet_main_t *vnet_main;
106 uword *spd_index_by_spd_id;
107 uword *spd_index_by_sw_if_index;
108 uword *sa_index_by_sa_id;
109 uword *ipsec4_if_pool_index_by_key;
110 uword *ipsec6_if_pool_index_by_key;
111 uword *ipsec_if_real_dev_by_show_dev;
114 u32 error_drop_node_index;
115 u32 esp4_encrypt_node_index;
116 u32 esp4_decrypt_node_index;
117 u32 ah4_encrypt_node_index;
118 u32 ah4_decrypt_node_index;
119 u32 esp6_encrypt_node_index;
120 u32 esp6_decrypt_node_index;
121 u32 ah6_encrypt_node_index;
122 u32 ah6_decrypt_node_index;
123 /* next node indices */
124 u32 esp4_encrypt_next_index;
125 u32 esp4_decrypt_next_index;
126 u32 ah4_encrypt_next_index;
127 u32 ah4_decrypt_next_index;
128 u32 esp6_encrypt_next_index;
129 u32 esp6_decrypt_next_index;
130 u32 ah6_encrypt_next_index;
131 u32 ah6_decrypt_next_index;
133 /* pool of ah backends */
134 ipsec_ah_backend_t *ah_backends;
135 /* pool of esp backends */
136 ipsec_esp_backend_t *esp_backends;
137 /* index of current ah backend */
138 u32 ah_current_backend;
139 /* index of current esp backend */
140 u32 esp_current_backend;
141 /* index of default ah backend */
142 u32 ah_default_backend;
143 /* index of default esp backend */
144 u32 esp_default_backend;
146 /* crypto alg data */
147 ipsec_main_crypto_alg_t *crypto_algs;
149 /* crypto integ data */
150 ipsec_main_integ_alg_t *integ_algs;
152 /* per-thread data */
153 ipsec_per_thread_data_t *ptd;
156 extern ipsec_main_t ipsec_main;
158 clib_error_t *ipsec_add_del_sa_sess_cb (ipsec_main_t * im, u32 sa_index,
161 clib_error_t *ipsec_check_support_cb (ipsec_main_t * im, ipsec_sa_t * sa);
163 extern vlib_node_registration_t esp4_encrypt_node;
164 extern vlib_node_registration_t esp4_decrypt_node;
165 extern vlib_node_registration_t ah4_encrypt_node;
166 extern vlib_node_registration_t ah4_decrypt_node;
167 extern vlib_node_registration_t esp6_encrypt_node;
168 extern vlib_node_registration_t esp6_decrypt_node;
169 extern vlib_node_registration_t ah6_encrypt_node;
170 extern vlib_node_registration_t ah6_decrypt_node;
171 extern vlib_node_registration_t ipsec4_if_input_node;
172 extern vlib_node_registration_t ipsec6_if_input_node;
177 u8 *format_ipsec_replay_window (u8 * s, va_list * args);
183 static_always_inline u32
184 get_next_output_feature_node_index (vlib_buffer_t * b,
185 vlib_node_runtime_t * nr)
188 vlib_main_t *vm = vlib_get_main ();
189 vlib_node_t *node = vlib_get_node (vm, nr->node_index);
191 vnet_feature_next (&next, b);
192 return node->next_nodes[next];
195 u32 ipsec_register_ah_backend (vlib_main_t * vm, ipsec_main_t * im,
197 const char *ah4_encrypt_node_name,
198 const char *ah4_decrypt_node_name,
199 const char *ah6_encrypt_node_name,
200 const char *ah6_decrypt_node_name,
201 check_support_cb_t ah_check_support_cb,
202 add_del_sa_sess_cb_t ah_add_del_sa_sess_cb);
204 u32 ipsec_register_esp_backend (vlib_main_t * vm, ipsec_main_t * im,
206 const char *esp4_encrypt_node_name,
207 const char *esp4_decrypt_node_name,
208 const char *esp6_encrypt_node_name,
209 const char *esp6_decrypt_node_name,
210 check_support_cb_t esp_check_support_cb,
211 add_del_sa_sess_cb_t esp_add_del_sa_sess_cb);
213 int ipsec_select_ah_backend (ipsec_main_t * im, u32 ah_backend_idx);
214 int ipsec_select_esp_backend (ipsec_main_t * im, u32 esp_backend_idx);
215 #endif /* __IPSEC_H__ */
218 * fd.io coding-style-patch-verification: ON
221 * eval: (c-set-style "gnu")