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/*
* Copyright (c) 2020 Doc.ai and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __included_wg_timer_h__
#define __included_wg_timer_h__
#include <vlib/vlib.h>
#include <vppinfra/clib.h>
#include <vppinfra/tw_timer_16t_2w_512sl.h>
/** WG timers */
#define foreach_wg_timer \
_(RETRANSMIT_HANDSHAKE, "RETRANSMIT HANDSHAKE") \
_(PERSISTENT_KEEPALIVE, "PERSISTENT KEEPALIVE") \
_(SEND_KEEPALIVE, "SEND KEEPALIVE") \
_(NEW_HANDSHAKE, "NEW HANDSHAKE") \
_(KEY_ZEROING, "KEY ZEROING") \
typedef enum _wg_timers
{
#define _(sym, str) WG_TIMER_##sym,
foreach_wg_timer
#undef _
WG_N_TIMERS
} wg_timers_e;
typedef struct wg_peer wg_peer_t;
void wg_timer_wheel_init ();
void wg_timers_stop (wg_peer_t * peer);
void wg_timers_data_sent (wg_peer_t * peer);
void wg_timers_data_sent_opt (wg_peer_t *peer, f64 time);
void wg_timers_data_received (wg_peer_t * peer);
void wg_timers_any_authenticated_packet_sent (wg_peer_t * peer);
void wg_timers_any_authenticated_packet_sent_opt (wg_peer_t *peer, f64 time);
void wg_timers_any_authenticated_packet_received (wg_peer_t * peer);
void wg_timers_any_authenticated_packet_received_opt (wg_peer_t *peer,
f64 time);
void wg_timers_handshake_initiated (wg_peer_t * peer);
void wg_timers_handshake_complete (wg_peer_t * peer);
void wg_timers_send_first_handshake (wg_peer_t *peer);
void wg_timers_session_derived (wg_peer_t * peer);
void wg_timers_any_authenticated_packet_traversal (wg_peer_t * peer);
static inline bool
wg_birthdate_has_expired (f64 birthday_seconds, f64 expiration_seconds)
{
if (birthday_seconds == 0.0)
return true;
f64 now_seconds = vlib_time_now (vlib_get_main ());
return (birthday_seconds + expiration_seconds) < now_seconds;
}
static_always_inline bool
wg_birthdate_has_expired_opt (f64 birthday_seconds, f64 expiration_seconds,
f64 time)
{
return (birthday_seconds + expiration_seconds) < time;
}
#endif /* __included_wg_timer_h__ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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