Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1 | /* |
| 2 | * decap.c : IPSec tunnel support |
| 3 | * |
| 4 | * Copyright (c) 2015 Cisco and/or its affiliates. |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #include <vnet/vnet.h> |
| 19 | #include <vnet/api_errno.h> |
| 20 | #include <vnet/ip/ip.h> |
| 21 | #include <vnet/interface.h> |
| 22 | |
| 23 | #include <vnet/ipsec/ipsec.h> |
| 24 | |
| 25 | u8 * |
| 26 | format_ipsec_policy_action (u8 * s, va_list * args) |
| 27 | { |
| 28 | u32 i = va_arg (*args, u32); |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 29 | char *t = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 30 | |
| 31 | switch (i) |
| 32 | { |
| 33 | #define _(v,f,str) case IPSEC_POLICY_ACTION_##f: t = str; break; |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 34 | foreach_ipsec_policy_action |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 35 | #undef _ |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 36 | default: |
| 37 | s = format (s, "unknown"); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 38 | } |
| 39 | s = format (s, "%s", t); |
| 40 | return s; |
| 41 | } |
| 42 | |
| 43 | uword |
| 44 | unformat_ipsec_policy_action (unformat_input_t * input, va_list * args) |
| 45 | { |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 46 | u32 *r = va_arg (*args, u32 *); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 47 | |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 48 | if (0); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 49 | #define _(v,f,s) else if (unformat (input, s)) *r = IPSEC_POLICY_ACTION_##f; |
| 50 | foreach_ipsec_policy_action |
| 51 | #undef _ |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 52 | else |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 53 | return 0; |
| 54 | return 1; |
| 55 | } |
| 56 | |
| 57 | u8 * |
| 58 | format_ipsec_crypto_alg (u8 * s, va_list * args) |
| 59 | { |
| 60 | u32 i = va_arg (*args, u32); |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 61 | u8 *t = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 62 | |
| 63 | switch (i) |
| 64 | { |
| 65 | #define _(v,f,str) case IPSEC_CRYPTO_ALG_##f: t = (u8 *) str; break; |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 66 | foreach_ipsec_crypto_alg |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 67 | #undef _ |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 68 | default: |
| 69 | s = format (s, "unknown"); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 70 | } |
| 71 | s = format (s, "%s", t); |
| 72 | return s; |
| 73 | } |
| 74 | |
| 75 | uword |
| 76 | unformat_ipsec_crypto_alg (unformat_input_t * input, va_list * args) |
| 77 | { |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 78 | u32 *r = va_arg (*args, u32 *); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 79 | |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 80 | if (0); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 81 | #define _(v,f,s) else if (unformat (input, s)) *r = IPSEC_CRYPTO_ALG_##f; |
| 82 | foreach_ipsec_crypto_alg |
| 83 | #undef _ |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 84 | else |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 85 | return 0; |
| 86 | return 1; |
| 87 | } |
| 88 | |
| 89 | u8 * |
| 90 | format_ipsec_integ_alg (u8 * s, va_list * args) |
| 91 | { |
| 92 | u32 i = va_arg (*args, u32); |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 93 | u8 *t = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 94 | |
| 95 | switch (i) |
| 96 | { |
| 97 | #define _(v,f,str) case IPSEC_INTEG_ALG_##f: t = (u8 *) str; break; |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 98 | foreach_ipsec_integ_alg |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 99 | #undef _ |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 100 | default: |
| 101 | s = format (s, "unknown"); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 102 | } |
| 103 | s = format (s, "%s", t); |
| 104 | return s; |
| 105 | } |
| 106 | |
| 107 | uword |
| 108 | unformat_ipsec_integ_alg (unformat_input_t * input, va_list * args) |
| 109 | { |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 110 | u32 *r = va_arg (*args, u32 *); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 111 | |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 112 | if (0); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 113 | #define _(v,f,s) else if (unformat (input, s)) *r = IPSEC_INTEG_ALG_##f; |
| 114 | foreach_ipsec_integ_alg |
| 115 | #undef _ |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 116 | else |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 117 | return 0; |
| 118 | return 1; |
| 119 | } |
| 120 | |
| 121 | u8 * |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 122 | format_ipsec_replay_window (u8 * s, va_list * args) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 123 | { |
| 124 | u64 w = va_arg (*args, u64); |
| 125 | u8 i; |
| 126 | |
| 127 | for (i = 0; i < 64; i++) |
| 128 | { |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 129 | s = format (s, "%u", w & (1ULL << i) ? 1 : 0); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | return s; |
| 133 | } |
Keith Burns (alagalah) | 166a9d4 | 2016-08-06 11:00:56 -0700 | [diff] [blame] | 134 | |
| 135 | /* |
| 136 | * fd.io coding-style-patch-verification: ON |
| 137 | * |
| 138 | * Local Variables: |
| 139 | * eval: (c-set-style "gnu") |
| 140 | * End: |
| 141 | */ |