FD.io VPP  v20.09-64-g4f7b92f0a
Vector Packet Processing
wireguard_peer.h
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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 
16 #ifndef __included_wg_peer_h__
17 #define __included_wg_peer_h__
18 
19 #include <vnet/ip/ip.h>
20 
25 #include <wireguard/wireguard_if.h>
26 
27 typedef struct ip4_udp_header_t_
28 {
31 } __clib_packed ip4_udp_header_t;
32 
33 u8 *format_ip4_udp_header (u8 * s, va_list * va);
34 
35 typedef struct wg_peer_allowed_ip_t_
36 {
40 
41 typedef struct wg_peer_endpoint_t_
42 {
43  ip46_address_t addr;
46 
47 typedef struct wg_peer
48 {
51 
54 
55  /* Peer addresses */
60 
61  /* rewrite built from address information */
63 
64  /* Vector of allowed-ips */
66 
67  /* The WG interface this peer is attached to */
69 
70  /* Timers */
71  tw_timer_wheel_16t_2w_512sl_t *timer_wheel;
72  u32 timers[WG_N_TIMERS];
75 
76  /* Timestamps */
82 
83  /* Variable intervals */
86 
88 
89  bool is_dead;
90 } wg_peer_t;
91 
93 {
98 
99 int wg_peer_add (u32 tun_sw_if_index,
100  const u8 public_key_64[NOISE_PUBLIC_KEY_LEN],
101  u32 table_id,
102  const ip46_address_t * endpoint,
103  const fib_prefix_t * allowed_ips,
104  u16 port, u16 persistent_keepalive, index_t * peer_index);
105 int wg_peer_remove (u32 peer_index);
106 
107 typedef walk_rc_t (*wg_peer_walk_cb_t) (index_t peeri, void *arg);
109 
110 u8 *format_wg_peer (u8 * s, va_list * va);
111 
113  void *data);
115 
116 /*
117  * Expoed for the data-plane
118  */
120 extern wg_peer_t *wg_peer_pool;
121 
122 static inline wg_peer_t *
124 {
125  return (pool_elt_at_index (wg_peer_pool, peeri));
126 }
127 
128 static inline index_t
130 {
131  return (wg_peer_by_adj_index[ai]);
132 }
133 
134 /*
135  * Makes choice for thread_id should be assigned.
136 */
137 static inline u32
139 {
140  return ((thread_id) ? thread_id
141  : (vlib_num_workers ()?
143  1) : thread_id));
144 }
145 
146 #endif // __included_wg_peer_h__
147 
148 /*
149  * fd.io coding-style-patch-verification: ON
150  *
151  * Local Variables:
152  * eval: (c-set-style "gnu")
153  * End:
154  */
wg_peer_allowed_ip_t * allowed_ips
index_t wg_peer_walk(wg_peer_walk_cb_t fn, void *data)
int wg_peer_add(u32 tun_sw_if_index, const u8 public_key_64[NOISE_PUBLIC_KEY_LEN], u32 table_id, const ip46_address_t *endpoint, const fib_prefix_t *allowed_ips, u16 port, u16 persistent_keepalive, index_t *peer_index)
u16 persistent_keepalive_interval
f64 rehandshake_started
u8 * format_ip4_udp_header(u8 *s, va_list *va)
ip_address_family_t af
int wg_peer_remove(u32 peer_index)
tw_timer_wheel_16t_2w_512sl_t * timer_wheel
walk_rc_t(* wg_peer_walk_cb_t)(index_t peeri, void *arg)
u32 index_t
A Data-Path Object is an object that represents actions that are applied to packets are they are swit...
Definition: dpo.h:41
walk_rc_t wg_peer_if_table_change(wg_if_t *wgi, index_t peeri, void *data)
struct wg_peer_allowed_ip_t_ wg_peer_allowed_ip_t
struct wg_peer_endpoint_t_ wg_peer_endpoint_t
f64 session_derived
unsigned char u8
Definition: types.h:56
u8 data[128]
Definition: ipsec_types.api:89
double f64
Definition: types.h:142
f64 last_sent_packet
enum walk_rc_t_ walk_rc_t
Walk return code.
ip4_header_t ip4
walk_rc_t wg_peer_if_admin_state_change(wg_if_t *wgi, index_t peeri, void *data)
noise_remote_t remote
static index_t wg_peer_get_by_adj_index(index_t ai)
vl_api_prefix_t allowed_ips[n_allowed_ips]
Definition: wireguard.api:105
Aggregate type for a prefix.
Definition: fib_types.h:203
unsigned int u32
Definition: types.h:88
index_t * wg_peer_by_adj_index
#define NOISE_PUBLIC_KEY_LEN
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:534
unsigned short u16
Definition: types.h:57
vl_api_address_t endpoint
Definition: wireguard.api:101
wg_peer_endpoint_t dst
u32 new_handshake_interval_tick
struct wg_peer_table_bind_ctx_t_ wg_peer_table_bind_ctx_t
u32 fib_node_index_t
A typedef of a node index.
Definition: fib_types.h:30
static u64 unix_time_now_nsec(void)
Definition: time.h:270
cookie_maker_t cookie_maker
u32 adj_index_t
An index for adjacencies.
Definition: adj_types.h:30
fib_node_index_t fib_entry_index
bool is_dead
adj_index_t adj_index
struct wg_peer wg_peer_t
u8 * rewrite
u16 persistent_keepalive
Definition: wireguard.api:99
u8 * format_wg_peer(u8 *s, va_list *va)
bool timer_need_another_keepalive
f64 last_sent_handshake
wg_peer_t * wg_peer_pool
wg_peer_endpoint_t src
enum ip_address_family_t_ ip_address_family_t
u32 rehandshake_interval_tick
u32 wg_sw_if_index
u32 table_id
Definition: wireguard.api:100
udp_header_t udp
u16 port
Definition: lb_types.api:72
f64 last_received_packet
static u32 wg_peer_assign_thread(u32 thread_id)
ip46_address_t addr
u32 input_thread_index
static u32 vlib_num_workers()
Definition: threads.h:377
struct ip4_udp_header_t_ ip4_udp_header_t
static wg_peer_t * wg_peer_get(index_t peeri)
u32 timer_handshake_attempts
u32 table_id
u32 output_thread_index