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 */ 32