drivers/net/wireguard/timers.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
   4  */
   5
   6 #ifndef _WG_TIMERS_H
   7 #define _WG_TIMERS_H
   8
   9 #include <linux/ktime.h>
  10
  11 struct wg_peer;
  12
  13 void wg_timers_init(struct wg_peer *peer);
  14 void wg_timers_stop(struct wg_peer *peer);
  15 void wg_timers_data_sent(struct wg_peer *peer);
  16 void wg_timers_data_received(struct wg_peer *peer);
  17 void wg_timers_any_authenticated_packet_sent(struct wg_peer *peer);
  18 void wg_timers_any_authenticated_packet_received(struct wg_peer *peer);
  19 void wg_timers_handshake_initiated(struct wg_peer *peer);
  20 void wg_timers_handshake_complete(struct wg_peer *peer);
  21 void wg_timers_session_derived(struct wg_peer *peer);
  22 void wg_timers_any_authenticated_packet_traversal(struct wg_peer *peer);
  23
  24 static inline bool wg_birthdate_has_expired(u64 birthday_nanoseconds,
  25                                             u64 expiration_seconds)
  26 {
  27         return (s64)(birthday_nanoseconds + expiration_seconds * NSEC_PER_SEC)
  28                 <= (s64)ktime_get_coarse_boottime_ns();
  29 }
  30
  31 #endif /* _WG_TIMERS_H */