---
title: flushInputQueue
framework: kernel
role: pseudoSymbol
path: kernel/ionetworkinterface/1810398-flushinputqueue
---

# flushInputQueue

Submit all packets held in the input queue to the network stack.

## Declaration

```occ
virtual UInt32 flushInputQueue(
 void ); 
```

## Return Value

Return Value Returns the number of packets that were submitted to the network stack. Returns zero if the queue was empty.

## Overview

Overview Allow drivers to remove all packets from the input queue and submit them to the network stack. This method should be used in concert with the inputPacket() method, to flush the input queue after queueing a number of received packets.

## See Also

### Miscellaneous

- [addNetworkData](kernel/ionetworkinterface/1810235-addnetworkdata.md)
- [attachToDataLinkLayer](kernel/ionetworkinterface/1810250-attachtodatalinklayer.md)
- [clearInputQueue](kernel/ionetworkinterface/1810266-clearinputqueue.md)
- [controllerDidChangePowerState](kernel/ionetworkinterface/1810277-controllerdidchangepowerstate.md)
- [controllerDidOpen](kernel/ionetworkinterface/1810292-controllerdidopen.md)
- [controllerWillChangePowerState](kernel/ionetworkinterface/1810306-controllerwillchangepowerstate.md)
- [controllerWillClose](kernel/ionetworkinterface/1810322-controllerwillclose.md)
- [debuggerRegistered](kernel/ionetworkinterface/1810336-debuggerregistered.md)
- [detachFromDataLinkLayer](kernel/ionetworkinterface/1810351-detachfromdatalinklayer.md)
- [feedPacketInputTap](kernel/ionetworkinterface/1810364-feedpacketinputtap.md)
- [feedPacketOutputTap](kernel/ionetworkinterface/1810380-feedpacketoutputtap.md)
- [free](kernel/ionetworkinterface/1810410-free.md)
- [getController](kernel/ionetworkinterface/1810426-getcontroller.md)
- [getExtraFlags](kernel/ionetworkinterface/1810443-getextraflags.md)
- [getFlags](kernel/ionetworkinterface/1810460-getflags.md)
- [getIfnet](kernel/ionetworkinterface/1810471-getifnet.md)
- [getInterfaceState](kernel/ionetworkinterface/1810480-getinterfacestate.md)
- [getInterfaceType](kernel/ionetworkinterface/1810498-getinterfacetype.md)
- [getMaxTransferUnit](kernel/ionetworkinterface/1810513-getmaxtransferunit.md)
- [getMediaAddressLength](kernel/ionetworkinterface/1810531-getmediaaddresslength.md)
- [getMediaHeaderLength](kernel/ionetworkinterface/1810551-getmediaheaderlength.md)
- [getNamePrefix](kernel/ionetworkinterface/1810563-getnameprefix.md)
- [getNetworkData(const char *)](kernel/ionetworkinterface/1810574-getnetworkdata.md)
- [getNetworkData(const OSSymbol *)](kernel/ionetworkinterface/1810596-getnetworkdata.md)
- [getUnitNumber](kernel/ionetworkinterface/1810607-getunitnumber.md)
- [handleClientClose](kernel/ionetworkinterface/1810628-handleclientclose.md)
- [handleClientOpen](kernel/ionetworkinterface/1810645-handleclientopen.md)
- [init](kernel/ionetworkinterface/1810663-init.md)
- [initIfnetParams](kernel/ionetworkinterface/1810678-initifnetparams.md)
- [inputEvent](kernel/ionetworkinterface/1810692-inputevent.md)
- [inputPacket](kernel/ionetworkinterface/1810712-inputpacket.md)
- [isPrimaryInterface](kernel/ionetworkinterface/1810743-isprimaryinterface.md)
- [isRegistered](kernel/ionetworkinterface/1810763-isregistered.md)
- [lock](kernel/ionetworkinterface/1810783-lock.md)
- [performCommand](kernel/ionetworkinterface/1810800-performcommand.md)
- [powerStateDidChangeTo](kernel/ionetworkinterface/1810818-powerstatedidchangeto.md)
- [powerStateWillChangeTo](kernel/ionetworkinterface/1810839-powerstatewillchangeto.md)
- [registerOutputHandler](kernel/ionetworkinterface/1810858-registeroutputhandler.md)
- [removeNetworkData(const char *)](kernel/ionetworkinterface/1810886-removenetworkdata.md)
- [removeNetworkData(const OSSymbol *)](kernel/ionetworkinterface/1810904-removenetworkdata.md)
- [setFlags](kernel/ionetworkinterface/1810924-setflags.md)
- [setInterfaceState](kernel/ionetworkinterface/1810944-setinterfacestate.md)
- [setInterfaceType](kernel/ionetworkinterface/1810958-setinterfacetype.md)
- [setMaxTransferUnit](kernel/ionetworkinterface/1810979-setmaxtransferunit.md)
- [setMediaAddressLength](kernel/ionetworkinterface/1810991-setmediaaddresslength.md)
- [setMediaHeaderLength](kernel/ionetworkinterface/1811003-setmediaheaderlength.md)
- [setUnitNumber](kernel/ionetworkinterface/1811014-setunitnumber.md)
- [unlock](kernel/ionetworkinterface/1811026-unlock.md)