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>
22 #define WG_DEFAULT_DATA_SIZE 2048
24 extern vlib_node_registration_t wg4_input_node;
25 extern vlib_node_registration_t wg6_input_node;
26 extern vlib_node_registration_t wg4_output_tun_node;
27 extern vlib_node_registration_t wg6_output_tun_node;
29 typedef struct wg_per_thread_data_t_
31 CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
32 vnet_crypto_op_t *crypto_ops;
33 vnet_crypto_async_frame_t **async_frames;
34 u8 data[WG_DEFAULT_DATA_SIZE];
35 } wg_per_thread_data_t;
39 vlib_main_t *vlib_main;
43 wg_index_table_t index_table;
50 wg_per_thread_data_t *per_thread_data;
53 tw_timer_wheel_16t_2w_512sl_t timer_wheel;
55 /* operation mode flags (e.g. async) */
61 /* wg post node index for async crypto */
64 } wg_async_post_next_t;
66 extern wg_async_post_next_t wg_encrypt_async_next;
67 extern wg_async_post_next_t wg_decrypt_async_next;
68 extern wg_main_t wg_main;
71 * Wireguard operation mode
73 #define foreach_wg_op_mode_flags _ (0, ASYNC, "async")
76 * Helper function to set/unset and check op modes
78 typedef enum wg_op_mode_flags_t_
80 #define _(v, f, s) WG_OP_MODE_FLAG_##f = 1 << v,
81 foreach_wg_op_mode_flags
83 } __clib_packed wg_op_mode_flags_t;
86 always_inline int wg_op_mode_set_##v (void) \
88 return (wg_main.op_mode_flags |= WG_OP_MODE_FLAG_##v); \
90 always_inline int wg_op_mode_unset_##v (void) \
92 return (wg_main.op_mode_flags &= ~WG_OP_MODE_FLAG_##v); \
94 always_inline int wg_op_mode_is_set_##v (void) \
96 return (wg_main.op_mode_flags & WG_OP_MODE_FLAG_##v); \
98 foreach_wg_op_mode_flags
107 STATIC_ASSERT (sizeof (wg_post_data_t) <=
108 STRUCT_SIZE_OF (vnet_buffer_opaque_t, unused),
109 "Custom meta-data too large for vnet_buffer_opaque_t");
111 #define wg_post_data(b) \
112 ((wg_post_data_t *) ((u8 *) ((b)->opaque) + \
113 STRUCT_OFFSET_OF (vnet_buffer_opaque_t, unused)))
115 #define WG_START_EVENT 1
116 void wg_feature_init (wg_main_t * wmp);
117 void wg_set_async_mode (u32 is_enabled);
119 #endif /* __included_wg_h__ */
122 * fd.io coding-style-patch-verification: ON
125 * eval: (c-set-style "gnu")