2 * Copyright (c) 2020 Doc.ai 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.
15 #ifndef __included_wg_h__
16 #define __included_wg_h__
18 #include <wireguard/wireguard_index_table.h>
19 #include <wireguard/wireguard_messages.h>
20 #include <wireguard/wireguard_timer.h>
21 #include <vnet/buffer.h>
23 #define WG_DEFAULT_DATA_SIZE 2048
25 extern vlib_node_registration_t wg4_input_node;
26 extern vlib_node_registration_t wg6_input_node;
27 extern vlib_node_registration_t wg4_output_tun_node;
28 extern vlib_node_registration_t wg6_output_tun_node;
30 typedef struct wg_per_thread_data_t_
32 CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
33 vnet_crypto_op_t *crypto_ops;
34 vnet_crypto_op_t *chained_crypto_ops;
35 vnet_crypto_op_chunk_t *chunks;
36 vnet_crypto_async_frame_t **async_frames;
37 u8 data[WG_DEFAULT_DATA_SIZE];
38 } wg_per_thread_data_t;
43 vlib_main_t *vlib_main;
47 wg_index_table_t index_table;
54 wg_per_thread_data_t *per_thread_data;
57 tw_timer_wheel_16t_2w_512sl_t timer_wheel;
59 /* operation mode flags (e.g. async) */
65 /* wg post node index for async crypto */
68 } wg_async_post_next_t;
70 extern wg_async_post_next_t wg_encrypt_async_next;
71 extern wg_async_post_next_t wg_decrypt_async_next;
72 extern wg_main_t wg_main;
75 * Wireguard operation mode
77 #define foreach_wg_op_mode_flags _ (0, ASYNC, "async")
80 * Helper function to set/unset and check op modes
82 typedef enum wg_op_mode_flags_t_
84 #define _(v, f, s) WG_OP_MODE_FLAG_##f = 1 << v,
85 foreach_wg_op_mode_flags
87 } __clib_packed wg_op_mode_flags_t;
90 always_inline int wg_op_mode_set_##v (void) \
92 return (wg_main.op_mode_flags |= WG_OP_MODE_FLAG_##v); \
94 always_inline int wg_op_mode_unset_##v (void) \
96 return (wg_main.op_mode_flags &= ~WG_OP_MODE_FLAG_##v); \
98 always_inline int wg_op_mode_is_set_##v (void) \
100 return (wg_main.op_mode_flags & WG_OP_MODE_FLAG_##v); \
102 foreach_wg_op_mode_flags
111 STATIC_ASSERT (sizeof (wg_post_data_t) <=
112 STRUCT_SIZE_OF (vnet_buffer_opaque_t, unused),
113 "Custom meta-data too large for vnet_buffer_opaque_t");
115 #define wg_post_data(b) \
116 ((wg_post_data_t *) ((u8 *) ((b)->opaque) + \
117 STRUCT_OFFSET_OF (vnet_buffer_opaque_t, unused)))
119 #define WG_START_EVENT 1
120 void wg_feature_init (wg_main_t * wmp);
121 void wg_set_async_mode (u32 is_enabled);
123 void wg_secure_zero_memory (void *v, size_t n);
125 #endif /* __included_wg_h__ */
128 * fd.io coding-style-patch-verification: ON
131 * eval: (c-set-style "gnu")