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/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2015-2021 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
#pragma once
#define SYS_TIME_UNITS_PER_SEC 10000000 /* System time unit is 100 ns. */
#define SEC_TO_SYS_TIME_UNITS(Sec) ((LONG64)(Sec)*SYS_TIME_UNITS_PER_SEC)
typedef struct _TIMER
{
KTIMER Timer;
KDPC Dpc;
BOOLEAN Pending;
} TIMER;
typedef struct _WG_PEER WG_PEER;
_IRQL_requires_max_(APC_LEVEL)
VOID
TimersDataSent(_Inout_ WG_PEER *Peer);
_IRQL_requires_max_(DISPATCH_LEVEL)
VOID
TimersDataReceived(_Inout_ WG_PEER *Peer);
_IRQL_requires_max_(DISPATCH_LEVEL)
VOID
TimersAnyAuthenticatedPacketSent(_Inout_ WG_PEER *Peer);
_IRQL_requires_max_(DISPATCH_LEVEL)
VOID
TimersAnyAuthenticatedPacketReceived(_Inout_ WG_PEER *Peer);
_IRQL_requires_max_(APC_LEVEL)
VOID
TimersHandshakeInitiated(_Inout_ WG_PEER *Peer);
_IRQL_requires_max_(DISPATCH_LEVEL)
VOID
TimersHandshakeComplete(_Inout_ WG_PEER *Peer);
_IRQL_requires_max_(DISPATCH_LEVEL)
VOID
TimersSessionDerived(_Inout_ WG_PEER *Peer);
_IRQL_requires_max_(DISPATCH_LEVEL)
VOID
TimersAnyAuthenticatedPacketTraversal(_Inout_ WG_PEER *Peer);
_IRQL_requires_max_(DISPATCH_LEVEL)
VOID
TimersInit(_Inout_ WG_PEER *Peer);
_IRQL_requires_max_(APC_LEVEL)
VOID
TimersStop(_Inout_ WG_PEER *Peer);
static inline BOOLEAN
BirthdateHasExpired(_In_ CONST UINT64 BirthdaySysTimeUnits, _In_ CONST UINT64 ExpirationSeconds)
{
return (INT64)(BirthdaySysTimeUnits + SEC_TO_SYS_TIME_UNITS(ExpirationSeconds)) <= (INT64)KeQueryInterruptTime();
}
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