Neale Ranns | 999c8ee | 2019-02-01 03:31:24 -0800 | [diff] [blame^] | 1 | /* |
| 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: |
| 6 | * |
| 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | * |
| 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. |
| 14 | */ |
| 15 | #ifndef __IPSEC_SPD_SA_H__ |
| 16 | #define __IPSEC_SPD_SA_H__ |
| 17 | |
| 18 | #include <vlib/vlib.h> |
| 19 | #include <vnet/ip/ip.h> |
| 20 | |
| 21 | #define foreach_ipsec_crypto_alg \ |
| 22 | _ (0, NONE, "none") \ |
| 23 | _ (1, AES_CBC_128, "aes-cbc-128") \ |
| 24 | _ (2, AES_CBC_192, "aes-cbc-192") \ |
| 25 | _ (3, AES_CBC_256, "aes-cbc-256") \ |
| 26 | _ (4, AES_CTR_128, "aes-ctr-128") \ |
| 27 | _ (5, AES_CTR_192, "aes-ctr-192") \ |
| 28 | _ (6, AES_CTR_256, "aes-ctr-256") \ |
| 29 | _ (7, AES_GCM_128, "aes-gcm-128") \ |
| 30 | _ (8, AES_GCM_192, "aes-gcm-192") \ |
| 31 | _ (9, AES_GCM_256, "aes-gcm-256") \ |
| 32 | _ (10, DES_CBC, "des-cbc") \ |
| 33 | _ (11, 3DES_CBC, "3des-cbc") |
| 34 | |
| 35 | typedef enum |
| 36 | { |
| 37 | #define _(v, f, s) IPSEC_CRYPTO_ALG_##f = v, |
| 38 | foreach_ipsec_crypto_alg |
| 39 | #undef _ |
| 40 | IPSEC_CRYPTO_N_ALG, |
| 41 | } ipsec_crypto_alg_t; |
| 42 | |
| 43 | #define foreach_ipsec_integ_alg \ |
| 44 | _ (0, NONE, "none") \ |
| 45 | _ (1, MD5_96, "md5-96") /* RFC2403 */ \ |
| 46 | _ (2, SHA1_96, "sha1-96") /* RFC2404 */ \ |
| 47 | _ (3, SHA_256_96, "sha-256-96") /* draft-ietf-ipsec-ciph-sha-256-00 */ \ |
| 48 | _ (4, SHA_256_128, "sha-256-128") /* RFC4868 */ \ |
| 49 | _ (5, SHA_384_192, "sha-384-192") /* RFC4868 */ \ |
| 50 | _ (6, SHA_512_256, "sha-512-256") /* RFC4868 */ |
| 51 | |
| 52 | typedef enum |
| 53 | { |
| 54 | #define _(v, f, s) IPSEC_INTEG_ALG_##f = v, |
| 55 | foreach_ipsec_integ_alg |
| 56 | #undef _ |
| 57 | IPSEC_INTEG_N_ALG, |
| 58 | } ipsec_integ_alg_t; |
| 59 | |
| 60 | typedef enum |
| 61 | { |
| 62 | IPSEC_PROTOCOL_AH = 0, |
| 63 | IPSEC_PROTOCOL_ESP = 1 |
| 64 | } ipsec_protocol_t; |
| 65 | |
| 66 | typedef struct |
| 67 | { |
| 68 | u32 id; |
| 69 | u32 spi; |
| 70 | ipsec_protocol_t protocol; |
| 71 | |
| 72 | ipsec_crypto_alg_t crypto_alg; |
| 73 | u8 crypto_key_len; |
| 74 | u8 crypto_key[128]; |
| 75 | |
| 76 | ipsec_integ_alg_t integ_alg; |
| 77 | u8 integ_key_len; |
| 78 | u8 integ_key[128]; |
| 79 | |
| 80 | u8 use_esn; |
| 81 | u8 use_anti_replay; |
| 82 | |
| 83 | u8 is_tunnel; |
| 84 | u8 is_tunnel_ip6; |
| 85 | u8 udp_encap; |
| 86 | ip46_address_t tunnel_src_addr; |
| 87 | ip46_address_t tunnel_dst_addr; |
| 88 | |
| 89 | u32 tx_fib_index; |
| 90 | u32 salt; |
| 91 | |
| 92 | /* runtime */ |
| 93 | u32 seq; |
| 94 | u32 seq_hi; |
| 95 | u32 last_seq; |
| 96 | u32 last_seq_hi; |
| 97 | u64 replay_window; |
| 98 | |
| 99 | /* lifetime data */ |
| 100 | u64 total_data_size; |
| 101 | } ipsec_sa_t; |
| 102 | |
| 103 | extern int ipsec_add_del_sa (vlib_main_t * vm, ipsec_sa_t * new_sa, |
| 104 | int is_add); |
| 105 | extern u8 ipsec_is_sa_used (u32 sa_index); |
| 106 | extern int ipsec_set_sa_key (vlib_main_t * vm, ipsec_sa_t * sa_update); |
| 107 | extern u32 ipsec_get_sa_index_by_sa_id (u32 sa_id); |
| 108 | |
| 109 | extern u8 *format_ipsec_crypto_alg (u8 * s, va_list * args); |
| 110 | extern u8 *format_ipsec_integ_alg (u8 * s, va_list * args); |
| 111 | extern uword unformat_ipsec_crypto_alg (unformat_input_t * input, |
| 112 | va_list * args); |
| 113 | extern uword unformat_ipsec_integ_alg (unformat_input_t * input, |
| 114 | va_list * args); |
| 115 | |
| 116 | #endif /* __IPSEC_SPD_SA_H__ */ |
| 117 | |
| 118 | /* |
| 119 | * fd.io coding-style-patch-verification: ON |
| 120 | * |
| 121 | * Local Variables: |
| 122 | * eval: (c-set-style "gnu") |
| 123 | * End: |
| 124 | */ |