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Diffstat (limited to 'src/vnet/ipsec/ipsec_sa.h')
| -rw-r--r-- | src/vnet/ipsec/ipsec_sa.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/vnet/ipsec/ipsec_sa.h b/src/vnet/ipsec/ipsec_sa.h new file mode 100644 index 00000000000..43d699be928 --- /dev/null +++ b/src/vnet/ipsec/ipsec_sa.h @@ -0,0 +1,124 @@ +/* + * Copyright (c) 2015 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef __IPSEC_SPD_SA_H__ +#define __IPSEC_SPD_SA_H__ + +#include <vlib/vlib.h> +#include <vnet/ip/ip.h> + +#define foreach_ipsec_crypto_alg \ + _ (0, NONE, "none") \ + _ (1, AES_CBC_128, "aes-cbc-128") \ + _ (2, AES_CBC_192, "aes-cbc-192") \ + _ (3, AES_CBC_256, "aes-cbc-256") \ + _ (4, AES_CTR_128, "aes-ctr-128") \ + _ (5, AES_CTR_192, "aes-ctr-192") \ + _ (6, AES_CTR_256, "aes-ctr-256") \ + _ (7, AES_GCM_128, "aes-gcm-128") \ + _ (8, AES_GCM_192, "aes-gcm-192") \ + _ (9, AES_GCM_256, "aes-gcm-256") \ + _ (10, DES_CBC, "des-cbc") \ + _ (11, 3DES_CBC, "3des-cbc") + +typedef enum +{ +#define _(v, f, s) IPSEC_CRYPTO_ALG_##f = v, + foreach_ipsec_crypto_alg +#undef _ + IPSEC_CRYPTO_N_ALG, +} ipsec_crypto_alg_t; + +#define foreach_ipsec_integ_alg \ + _ (0, NONE, "none") \ + _ (1, MD5_96, "md5-96") /* RFC2403 */ \ + _ (2, SHA1_96, "sha1-96") /* RFC2404 */ \ + _ (3, SHA_256_96, "sha-256-96") /* draft-ietf-ipsec-ciph-sha-256-00 */ \ + _ (4, SHA_256_128, "sha-256-128") /* RFC4868 */ \ + _ (5, SHA_384_192, "sha-384-192") /* RFC4868 */ \ + _ (6, SHA_512_256, "sha-512-256") /* RFC4868 */ + +typedef enum +{ +#define _(v, f, s) IPSEC_INTEG_ALG_##f = v, + foreach_ipsec_integ_alg +#undef _ + IPSEC_INTEG_N_ALG, +} ipsec_integ_alg_t; + +typedef enum +{ + IPSEC_PROTOCOL_AH = 0, + IPSEC_PROTOCOL_ESP = 1 +} ipsec_protocol_t; + +typedef struct +{ + u32 id; + u32 spi; + ipsec_protocol_t protocol; + + ipsec_crypto_alg_t crypto_alg; + u8 crypto_key_len; + u8 crypto_key[128]; + + ipsec_integ_alg_t integ_alg; + u8 integ_key_len; + u8 integ_key[128]; + + u8 use_esn; + u8 use_anti_replay; + + u8 is_tunnel; + u8 is_tunnel_ip6; + u8 udp_encap; + ip46_address_t tunnel_src_addr; + ip46_address_t tunnel_dst_addr; + + u32 tx_fib_index; + u32 salt; + + /* runtime */ + u32 seq; + u32 seq_hi; + u32 last_seq; + u32 last_seq_hi; + u64 replay_window; + + /* lifetime data */ + u64 total_data_size; +} ipsec_sa_t; + +extern int ipsec_add_del_sa (vlib_main_t * vm, ipsec_sa_t * new_sa, + int is_add); +extern u8 ipsec_is_sa_used (u32 sa_index); +extern int ipsec_set_sa_key (vlib_main_t * vm, ipsec_sa_t * sa_update); +extern u32 ipsec_get_sa_index_by_sa_id (u32 sa_id); + +extern u8 *format_ipsec_crypto_alg (u8 * s, va_list * args); +extern u8 *format_ipsec_integ_alg (u8 * s, va_list * args); +extern uword unformat_ipsec_crypto_alg (unformat_input_t * input, + va_list * args); +extern uword unformat_ipsec_integ_alg (unformat_input_t * input, + va_list * args); + +#endif /* __IPSEC_SPD_SA_H__ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |