/**
* @copydoc INTNETTRUNKIFPORT::pfnDisconnectAndRelease
*/
static DECLCALLBACK(void) vboxNetAdpPortDisconnectAndRelease(PINTNETTRUNKIFPORT pIfPort)
{
PVBOXNETADP pThis = IFPORT_2_VBOXNETADP(pIfPort);
RTSPINLOCKTMP Tmp = RTSPINLOCKTMP_INITIALIZER;
/*
* Serious paranoia.
*/
AssertPtr(pThis);
Assert(pThis->MyPort.u32Version == INTNETTRUNKIFPORT_VERSION);
Assert(pThis->MyPort.u32VersionEnd == INTNETTRUNKIFPORT_VERSION);
AssertPtr(pThis->pGlobals);
Assert(pThis->hEventIdle != NIL_RTSEMEVENT);
Assert(pThis->hSpinlock != NIL_RTSPINLOCK);
/*
* Disconnect and release it.
*/
RTSpinlockAcquireNoInts(pThis->hSpinlock, &Tmp);
//Assert(vboxNetAdpGetState(pThis) == kVBoxNetAdpState_Connected);
Assert(!pThis->cBusy);
vboxNetAdpSetState(pThis, kVBoxNetAdpState_Transitional);
RTSpinlockReleaseNoInts(pThis->hSpinlock, &Tmp);
vboxNetAdpOsDisconnectIt(pThis);
pThis->pSwitchPort = NULL;
RTSpinlockAcquireNoInts(pThis->hSpinlock, &Tmp);
vboxNetAdpSetState(pThis, kVBoxNetAdpState_Available);
RTSpinlockReleaseNoInts(pThis->hSpinlock, &Tmp);
vboxNetAdpRelease(pThis);
}
/**
* @copydoc INTNETTRUNKIFPORT::pfnWaitForIdle
*/
static DECLCALLBACK(int) vboxNetAdpPortWaitForIdle(PINTNETTRUNKIFPORT pIfPort, uint32_t cMillies)
{
int rc;
PVBOXNETADP pThis = IFPORT_2_VBOXNETADP(pIfPort);
/*
* Input validation.
*/
AssertPtr(pThis);
Assert(pThis->MyPort.u32Version == INTNETTRUNKIFPORT_VERSION);
AssertReturn(vboxNetAdpGetStateWithLock(pThis) >= kVBoxNetAdpState_Connected, VERR_INVALID_STATE);
/*
* Go to sleep on the semaphore after checking the busy count.
*/
vboxNetAdpRetain(pThis);
rc = VINF_SUCCESS;
while (pThis->cBusy && RT_SUCCESS(rc))
rc = RTSemEventWait(pThis->hEventIdle, cMillies); /** @todo make interruptible? */
vboxNetAdpRelease(pThis);
return rc;
}
/**
* @copydoc INTNETTRUNKIFPORT::pfnSetActive
*/
static DECLCALLBACK(bool) vboxNetAdpPortSetActive(PINTNETTRUNKIFPORT pIfPort, bool fActive)
{
bool fPreviouslyActive;
PVBOXNETADP pThis = IFPORT_2_VBOXNETADP(pIfPort);
/*
* Input validation.
*/
AssertPtr(pThis);
AssertPtr(pThis->pGlobals);
Assert(pThis->MyPort.u32Version == INTNETTRUNKIFPORT_VERSION);
Log(("vboxNetAdpPortSetActive: pThis=%p, fActive=%d, state before: %d.\n", pThis, fActive, vboxNetAdpGetState(pThis)));
RTSpinlockAcquire(pThis->hSpinlock);
fPreviouslyActive = vboxNetAdpGetState(pThis) == kVBoxNetAdpState_Active;
if (fPreviouslyActive != fActive)
{
switch (vboxNetAdpGetState(pThis))
{
case kVBoxNetAdpState_Connected:
vboxNetAdpSetState(pThis, kVBoxNetAdpState_Active);
break;
case kVBoxNetAdpState_Active:
vboxNetAdpSetState(pThis, kVBoxNetAdpState_Connected);
break;
default:
break;
}
}
RTSpinlockRelease(pThis->hSpinlock);
Log(("vboxNetAdpPortSetActive: state after: %RTbool.\n", vboxNetAdpGetState(pThis)));
return fPreviouslyActive;
}
/**
* @copydoc INTNETTRUNKIFPORT::pfnXmit
*/
static DECLCALLBACK(int) vboxNetAdpPortXmit(PINTNETTRUNKIFPORT pIfPort, PINTNETSG pSG, uint32_t fDst)
{
PVBOXNETADP pThis = IFPORT_2_VBOXNETADP(pIfPort);
int rc = VINF_SUCCESS;
/*
* Input validation.
*/
AssertPtr(pThis);
AssertPtr(pSG);
Assert(pThis->MyPort.u32Version == INTNETTRUNKIFPORT_VERSION);
Log(("vboxNetAdpPortXmit: outgoing packet (len=%d)\n", pSG->cbTotal));
/*
* Do a retain/busy, invoke the OS specific code.
*/
RTSpinlockAcquire(pThis->hSpinlock);
if (vboxNetAdpGetState(pThis) != kVBoxNetAdpState_Active)
{
RTSpinlockRelease(pThis->hSpinlock);
Log(("vboxNetAdpReceive: Dropping incoming packet for inactive interface %s.\n",
pThis->szName));
return VERR_INVALID_STATE;
}
vboxNetAdpRetain(pThis);
vboxNetAdpBusy(pThis);
RTSpinlockRelease(pThis->hSpinlock);
rc = vboxNetAdpPortOsXmit(pThis, pSG, fDst);
vboxNetAdpIdle(pThis);
vboxNetAdpRelease(pThis);
return rc;
}
/**
* @copydoc INTNETTRUNKIFPORT::pfnGetMacAddress
*/
static DECLCALLBACK(void) vboxNetAdpPortGetMacAddress(PINTNETTRUNKIFPORT pIfPort, PRTMAC pMac)
{
PVBOXNETADP pThis = IFPORT_2_VBOXNETADP(pIfPort);
/*
* Input validation.
*/
AssertPtr(pThis);
Assert(pThis->MyPort.u32Version == INTNETTRUNKIFPORT_VERSION);
Assert(vboxNetAdpGetStateWithLock(pThis) == kVBoxNetAdpState_Active);
/*
* Forward the question to the OS specific code.
*/
vboxNetAdpPortOsGetMacAddress(pThis, pMac);
}
/**
* @copydoc INTNETTRUNKIFPORT::pfnRetain
*/
static DECLCALLBACK(void) vboxNetAdpPortRetain(PINTNETTRUNKIFPORT pIfPort)
{
PVBOXNETADP pThis = IFPORT_2_VBOXNETADP(pIfPort);
vboxNetAdpRetain(pThis);
}
