int vboxNetFltOsInitInstance(PVBOXNETFLTINS pThis, void *pvContext)
{
char nam[NG_NODESIZ];
struct ifnet *ifp;
node_p node;
RTSPINLOCKTMP Tmp = RTSPINLOCKTMP_INITIALIZER;
VBOXCURVNET_SET_FROM_UCRED();
NOREF(pvContext);
ifp = ifunit(pThis->szName);
if (ifp == NULL)
return VERR_INTNET_FLT_IF_NOT_FOUND;
/* Create a new netgraph node for this instance */
if (ng_make_node_common(&ng_vboxnetflt_typestruct, &node) != 0)
return VERR_INTERNAL_ERROR;
RTSpinlockAcquireNoInts(pThis->hSpinlock, &Tmp);
ASMAtomicUoWritePtr(&pThis->u.s.ifp, ifp);
pThis->u.s.node = node;
bcopy(IF_LLADDR(ifp), &pThis->u.s.MacAddr, ETHER_ADDR_LEN);
ASMAtomicUoWriteBool(&pThis->fDisconnectedFromHost, false);
/* Initialize deferred input queue */
bzero(&pThis->u.s.inq, sizeof(struct ifqueue));
mtx_init(&pThis->u.s.inq.ifq_mtx, "vboxnetflt inq", NULL, MTX_SPIN);
TASK_INIT(&pThis->u.s.tskin, 0, vboxNetFltFreeBSDinput, pThis);
/* Initialize deferred output queue */
bzero(&pThis->u.s.outq, sizeof(struct ifqueue));
mtx_init(&pThis->u.s.outq.ifq_mtx, "vboxnetflt outq", NULL, MTX_SPIN);
TASK_INIT(&pThis->u.s.tskout, 0, vboxNetFltFreeBSDoutput, pThis);
RTSpinlockReleaseNoInts(pThis->hSpinlock, &Tmp);
NG_NODE_SET_PRIVATE(node, pThis);
/* Attempt to name it vboxnetflt_<ifname> */
snprintf(nam, NG_NODESIZ, "vboxnetflt_%s", pThis->szName);
ng_name_node(node, nam);
/* Report MAC address, promiscuous mode and GSO capabilities. */
/** @todo keep these reports up to date, either by polling for changes or
* intercept some control flow if possible. */
if (vboxNetFltTryRetainBusyNotDisconnected(pThis))
{
Assert(pThis->pSwitchPort);
pThis->pSwitchPort->pfnReportMacAddress(pThis->pSwitchPort, &pThis->u.s.MacAddr);
pThis->pSwitchPort->pfnReportPromiscuousMode(pThis->pSwitchPort, vboxNetFltFreeBsdIsPromiscuous(pThis));
pThis->pSwitchPort->pfnReportGsoCapabilities(pThis->pSwitchPort, 0, INTNETTRUNKDIR_WIRE | INTNETTRUNKDIR_HOST);
pThis->pSwitchPort->pfnReportNoPreemptDsts(pThis->pSwitchPort, 0 /* none */);
vboxNetFltRelease(pThis, true /*fBusy*/);
}
VBOXCURVNET_RESTORE();
return VINF_SUCCESS;
}
DECLHIDDEN(int) rtProcNativeSetPriority(RTPROCPRIORITY enmPriority)
{
Assert(enmPriority > RTPROCPRIORITY_INVALID && enmPriority < RTPROCPRIORITY_LAST);
/*
* No checks necessary, we assume we can set any priority in the user process range.
*/
const PROCPRIORITY *pProcessPriority = &g_aDefaultPriority;
for (unsigned i = 0; i < RT_ELEMENTS(g_aPriorities); i++)
if (g_aPriorities[i].enmPriority == enmPriority)
{
pProcessPriority = &g_aPriorities[i];
break;
}
Assert(pProcessPriority != &g_aDefaultPriority);
ASMAtomicUoWritePtr(&g_pProcessPriority, pProcessPriority);
return VINF_SUCCESS;
}
/**
* Queue an item.
* The item must have been obtained using PDMQueueAlloc(). Once the item
* have been passed to this function it must not be touched!
*
* @param pQueue The queue handle.
* @param pItem The item to insert.
* @thread Any thread.
*/
VMMDECL(void) PDMQueueInsert(PPDMQUEUE pQueue, PPDMQUEUEITEMCORE pItem)
{
Assert(VALID_PTR(pQueue) && pQueue->CTX_SUFF(pVM));
Assert(VALID_PTR(pItem));
#if 0 /* the paranoid android version: */
void *pvNext;
do
{
pvNext = ASMAtomicUoReadPtr((void * volatile *)&pQueue->CTX_SUFF(pPending));
ASMAtomicUoWritePtr((void * volatile *)&pItem->CTX_SUFF(pNext), pvNext);
} while (!ASMAtomicCmpXchgPtr(&pQueue->CTX_SUFF(pPending), pItem, pvNext));
#else
PPDMQUEUEITEMCORE pNext;
do
{
pNext = pQueue->CTX_SUFF(pPending);
pItem->CTX_SUFF(pNext) = pNext;
} while (!ASMAtomicCmpXchgPtr(&pQueue->CTX_SUFF(pPending), pItem, pNext));
#endif
if (!pQueue->pTimer)
{
PVM pVM = pQueue->CTX_SUFF(pVM);
Log2(("PDMQueueInsert: VM_FF_PDM_QUEUES %d -> 1\n", VM_FF_ISSET(pVM, VM_FF_PDM_QUEUES)));
VM_FF_SET(pVM, VM_FF_PDM_QUEUES);
ASMAtomicBitSet(&pVM->pdm.s.fQueueFlushing, PDM_QUEUE_FLUSH_FLAG_PENDING_BIT);
#ifdef IN_RING3
# ifdef VBOX_WITH_REM
REMR3NotifyQueuePending(pVM); /** @todo r=bird: we can remove REMR3NotifyQueuePending and let VMR3NotifyFF do the work. */
# endif
VMR3NotifyGlobalFFU(pVM->pUVM, VMNOTIFYFF_FLAGS_DONE_REM);
#endif
}
STAM_REL_COUNTER_INC(&pQueue->StatInsert);
STAM_STATS({ ASMAtomicIncU32(&pQueue->cStatPending); });
RTDECL(void) RTAssertMsg1(const char *pszExpr, unsigned uLine, const char *pszFile, const char *pszFunction)
{
/*
* Fill in the globals.
*/
ASMAtomicUoWritePtr(&g_pszRTAssertExpr, pszExpr);
ASMAtomicUoWritePtr(&g_pszRTAssertFile, pszFile);
ASMAtomicUoWritePtr(&g_pszRTAssertFunction, pszFunction);
ASMAtomicUoWriteU32(&g_u32RTAssertLine, uLine);
RTStrPrintf(g_szRTAssertMsg1, sizeof(g_szRTAssertMsg1),
"\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
/*
* If not quiet, make noise.
*/
if (!RTAssertAreQuiet())
{
RTERRVARS SavedErrVars;
RTErrVarsSave(&SavedErrVars);
#ifdef IN_RING0
# ifdef IN_GUEST_R0
RTLogBackdoorPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
# endif
/** @todo fully integrate this with the logger... play safe a bit for now. */
rtR0AssertNativeMsg1(pszExpr, uLine, pszFile, pszFunction);
#else /* !IN_RING0 */
# if !defined(IN_RING3) && !defined(LOG_NO_COM)
# if 0 /* Enable this iff you have a COM port and really want this debug info. */
RTLogComPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
# endif
# endif
PRTLOGGER pLog = RTLogRelGetDefaultInstance();
if (pLog)
{
RTLogRelPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
# ifndef IN_RC /* flushing is done automatically in RC */
RTLogFlush(pLog);
# endif
}
# ifndef LOG_ENABLED
if (!pLog)
# endif
{
pLog = RTLogDefaultInstance();
if (pLog)
{
RTLogPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
# ifndef IN_RC /* flushing is done automatically in RC */
RTLogFlush(pLog);
# endif
}
}
# ifdef IN_RING3
/* print to stderr, helps user and gdb debugging. */
fprintf(stderr,
"\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
VALID_PTR(pszExpr) ? pszExpr : "<none>",
VALID_PTR(pszFile) ? pszFile : "<none>",
uLine,
VALID_PTR(pszFunction) ? pszFunction : "");
fflush(stderr);
# endif
#endif /* !IN_RING0 */
RTErrVarsRestore(&SavedErrVars);
}
}
/**
* Internal worker for vboxNetFltOsInitInstance and vboxNetFltOsMaybeRediscovered.
*
* @returns VBox status code.
* @param pThis The instance.
* @param fRediscovery If set we're doing a rediscovery attempt, so, don't
* flood the release log.
*/
static int vboxNetFltDarwinAttachToInterface(PVBOXNETFLTINS pThis, bool fRediscovery)
{
LogFlow(("vboxNetFltDarwinAttachToInterface: pThis=%p (%s)\n", pThis, pThis->szName));
/*
* Locate the interface first.
*
* The pIfNet member is updated before iflt_attach is called and used
* to deal with the hypothetical case where someone rips out the
* interface immediately after our iflt_attach call.
*/
ifnet_t pIfNet = NULL;
errno_t err = ifnet_find_by_name(pThis->szName, &pIfNet);
if (err)
{
Assert(err == ENXIO);
if (!fRediscovery)
LogRel(("VBoxFltDrv: failed to find ifnet '%s' (err=%d)\n", pThis->szName, err));
else
Log(("VBoxFltDrv: failed to find ifnet '%s' (err=%d)\n", pThis->szName, err));
return VERR_INTNET_FLT_IF_NOT_FOUND;
}
RTSpinlockAcquire(pThis->hSpinlock);
ASMAtomicUoWritePtr(&pThis->u.s.pIfNet, pIfNet);
RTSpinlockReleaseNoInts(pThis->hSpinlock);
/*
* Get the mac address while we still have a valid ifnet reference.
*/
err = ifnet_lladdr_copy_bytes(pIfNet, &pThis->u.s.MacAddr, sizeof(pThis->u.s.MacAddr));
if (!err)
{
/*
* Try attach the filter.
*/
struct iff_filter RegRec;
RegRec.iff_cookie = pThis;
RegRec.iff_name = "VBoxNetFlt";
RegRec.iff_protocol = 0;
RegRec.iff_input = vboxNetFltDarwinIffInput;
RegRec.iff_output = vboxNetFltDarwinIffOutput;
RegRec.iff_event = vboxNetFltDarwinIffEvent;
RegRec.iff_ioctl = vboxNetFltDarwinIffIoCtl;
RegRec.iff_detached = vboxNetFltDarwinIffDetached;
interface_filter_t pIfFilter = NULL;
err = iflt_attach(pIfNet, &RegRec, &pIfFilter);
Assert(err || pIfFilter);
RTSpinlockAcquire(pThis->hSpinlock);
pIfNet = ASMAtomicUoReadPtrT(&pThis->u.s.pIfNet, ifnet_t);
if (pIfNet && !err)
{
ASMAtomicUoWriteBool(&pThis->fDisconnectedFromHost, false);
ASMAtomicUoWritePtr(&pThis->u.s.pIfFilter, pIfFilter);
pIfNet = NULL; /* don't dereference it */
}
RTSpinlockReleaseNoInts(pThis->hSpinlock);
/* Report capabilities. */
if ( !pIfNet
&& vboxNetFltTryRetainBusyNotDisconnected(pThis))
{
Assert(pThis->pSwitchPort);
pThis->pSwitchPort->pfnReportMacAddress(pThis->pSwitchPort, &pThis->u.s.MacAddr);
pThis->pSwitchPort->pfnReportPromiscuousMode(pThis->pSwitchPort, vboxNetFltDarwinIsPromiscuous(pThis));
pThis->pSwitchPort->pfnReportGsoCapabilities(pThis->pSwitchPort, 0, INTNETTRUNKDIR_WIRE | INTNETTRUNKDIR_HOST);
pThis->pSwitchPort->pfnReportNoPreemptDsts(pThis->pSwitchPort, 0 /* none */);
vboxNetFltRelease(pThis, true /*fBusy*/);
}
}
/* Release the interface on failure. */
if (pIfNet)
ifnet_release(pIfNet);
int rc = RTErrConvertFromErrno(err);
if (RT_SUCCESS(rc))
LogRel(("VBoxFltDrv: attached to '%s' / %.*Rhxs\n", pThis->szName, sizeof(pThis->u.s.MacAddr), &pThis->u.s.MacAddr));
else
LogRel(("VBoxFltDrv: failed to attach to ifnet '%s' (err=%d)\n", pThis->szName, err));
return rc;
}