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windows-nt/Source/XPSP1/NT/net/nwlink/ipx/action.c

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2020-09-26 03:20:57 -05:00
/*++
Copyright (c) 1989-1993 Microsoft Corporation
Module Name:
action.c
Abstract:
This module contains code which performs the following TDI services:
o TdiAction
Environment:
Kernel mode
Revision History:
--*/
#include "precomp.h"
#pragma hdrstop
#include <packon.h>
//
// Line ups when indicated up should have this length subtracted from the
// max. send size that ndis indicated to us for the line
//
#define HDR_LEN_802_3 14
#define ASYNC_MEDIUM_HDR_LEN HDR_LEN_802_3
typedef struct _GET_PKT_SIZE {
ULONG Unknown;
ULONG MaxDatagramSize;
} GET_PKT_SIZE, *PGET_PKT_SIZE;
//
// These structures are used to set and query information
// about our source routing table.
//
typedef struct _SR_GET_PARAMETERS {
ULONG BoardNumber; // 0-based
ULONG SrDefault; // 0 = single route, 1 = all routes
ULONG SrBroadcast;
ULONG SrMulticast;
} SR_GET_PARAMETERS, *PSR_GET_PARAMETERS;
typedef struct _SR_SET_PARAMETER {
ULONG BoardNumber; // 0-based
ULONG Parameter; // 0 = single route, 1 = all routes
} SR_SET_PARAMETER, *PSR_SET_PARAMETER;
typedef struct _SR_SET_REMOVE {
ULONG BoardNumber; // 0-based
UCHAR MacAddress[6]; // remote to drop routing for
} SR_SET_REMOVE, *PSR_SET_REMOVE;
typedef struct _SR_SET_CLEAR {
ULONG BoardNumber; // 0-based
} SR_SET_CLEAR, *PSR_SET_CLEAR;
#include <packoff.h>
NTSTATUS
IpxTdiAction(
IN PDEVICE Device,
IN PREQUEST Request
)
/*++
Routine Description:
This routine performs the TdiAction request for the transport
provider.
Arguments:
Device - The device for the operation.
Request - Describes the action request.
Return Value:
NTSTATUS - status of operation.
--*/
{
NTSTATUS Status;
PADDRESS_FILE AddressFile;
UINT BufferLength;
UINT DataLength;
PNDIS_BUFFER NdisBuffer;
CTELockHandle LockHandle;
PBINDING Binding, MasterBinding;
PADAPTER Adapter;
union {
PISN_ACTION_GET_LOCAL_TARGET GetLocalTarget;
PISN_ACTION_GET_NETWORK_INFO GetNetworkInfo;
PISN_ACTION_GET_DETAILS GetDetails;
PSR_GET_PARAMETERS GetSrParameters;
PSR_SET_PARAMETER SetSrParameter;
PSR_SET_REMOVE SetSrRemove;
PSR_SET_CLEAR SetSrClear;
PIPX_ADDRESS_DATA IpxAddressData;
PGET_PKT_SIZE GetPktSize;
PIPX_NETNUM_DATA IpxNetnumData;
PIPX_QUERY_WAN_INACTIVITY QueryWanInactivity;
PIPXWAN_CONFIG_DONE IpxwanConfigDone;
} u; // Make these unaligned??
PIPX_ROUTE_ENTRY RouteEntry;
PNWLINK_ACTION NwlinkAction;
ULONG Segment;
ULONG AdapterNum;
static UCHAR BogusId[4] = { 0x01, 0x00, 0x00, 0x00 }; // old nwrdr uses this
IPX_FIND_ROUTE_REQUEST routeEntry;
IPX_DEFINE_LOCK_HANDLE(LockHandle1)
//
// To maintain some compatibility with the NWLINK streams-
// based transport, we use the streams header format for
// our actions. The old transport expected the action header
// to be in InputBuffer and the output to go in OutputBuffer.
// We follow the TDI spec, which states that OutputBuffer
// is used for both input and output. Since IOCTL_TDI_ACTION
// is method out direct, this means that the output buffer
// is mapped by the MDL chain; for action the chain will
// only have one piece so we use it for input and output.
//
NdisBuffer = REQUEST_NDIS_BUFFER(Request);
if (NdisBuffer == NULL) {
return STATUS_INVALID_PARAMETER;
}
NdisQueryBufferSafe (REQUEST_NDIS_BUFFER(Request), (PVOID *)&NwlinkAction, &BufferLength, NormalPagePriority);
if (NwlinkAction == NULL) {
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// Make sure we have enough room for just the header not
// including the data.
//
if (BufferLength < (UINT)(FIELD_OFFSET(NWLINK_ACTION, Data[0]))) {
IPX_DEBUG (ACTION, ("Nwlink action failed, buffer too small\n"));
return STATUS_BUFFER_TOO_SMALL;
}
if ((!RtlEqualMemory ((PVOID) (UNALIGNED ULONG *) (&NwlinkAction->Header.TransportId), "MISN", 4)) &&
(!RtlEqualMemory ((PVOID) (UNALIGNED ULONG *) (&NwlinkAction->Header.TransportId), "MIPX", 4)) &&
(!RtlEqualMemory ((PVOID) (UNALIGNED ULONG *) (&NwlinkAction->Header.TransportId), "XPIM", 4)) &&
(!RtlEqualMemory ((PVOID) (UNALIGNED ULONG *) (&NwlinkAction->Header.TransportId), BogusId, 4))) {
return STATUS_NOT_SUPPORTED;
}
DataLength = BufferLength - FIELD_OFFSET(NWLINK_ACTION, Data[0]);
//
// Make sure that the correct file object is being used.
//
if (NwlinkAction->OptionType == NWLINK_OPTION_ADDRESS) {
if (REQUEST_OPEN_TYPE(Request) != (PVOID)TDI_TRANSPORT_ADDRESS_FILE) {
IPX_DEBUG (ACTION, ("Nwlink action failed, not address file\n"));
return STATUS_INVALID_HANDLE;
}
AddressFile = (PADDRESS_FILE)REQUEST_OPEN_CONTEXT(Request);
if ((AddressFile->Size != sizeof (ADDRESS_FILE)) ||
(AddressFile->Type != IPX_ADDRESSFILE_SIGNATURE)) {
IPX_DEBUG (ACTION, ("Nwlink action failed, bad address file\n"));
return STATUS_INVALID_HANDLE;
}
} else if (NwlinkAction->OptionType != NWLINK_OPTION_CONTROL) {
IPX_DEBUG (ACTION, ("Nwlink action failed, option type %d\n", NwlinkAction->OptionType));
return STATUS_NOT_SUPPORTED;
}
//
// Handle the requests based on the action code. For these
// requests ActionHeader->ActionCode is 0, we use the
// Option field in the streams header instead.
//
Status = STATUS_SUCCESS;
switch (NwlinkAction->Option) {
IPX_DEBUG (ACTION, ("NwlinkAction->Option is (%x)\n", NwlinkAction->Option));
//DbgPrint("NwlinkAction->Option is (%x)\n", NwlinkAction->Option);
//
// This first group support the winsock helper dll.
// In most cases the corresponding sockopt is shown in
// the comment, as well as the contents of the Data
// part of the action buffer.
//
case MIPX_SETSENDPTYPE:
//
// IPX_PTYPE: Data is a single byte packet type.
//
if (DataLength >= 1) {
IPX_DEBUG (ACTION, ("%lx: MIPX_SETSENDPTYPE %x\n", AddressFile, NwlinkAction->Data[0]));
AddressFile->DefaultPacketType = NwlinkAction->Data[0];
} else {
Status = STATUS_BUFFER_TOO_SMALL;
}
break;
case MIPX_FILTERPTYPE:
//
// IPX_FILTERPTYPE: Data is a single byte to filter on.
//
if (DataLength >= 1) {
IPX_DEBUG (ACTION, ("%lx: MIPX_FILTERPTYPE %x\n", AddressFile, NwlinkAction->Data[0]));
AddressFile->FilteredType = NwlinkAction->Data[0];
AddressFile->FilterOnPacketType = TRUE;
AddressFile->SpecialReceiveProcessing = TRUE;
} else {
Status = STATUS_BUFFER_TOO_SMALL;
}
break;
case MIPX_NOFILTERPTYPE:
//
// IPX_STOPFILTERPTYPE.
//
IPX_DEBUG (ACTION, ("%lx: MIPX_NOFILTERPTYPE\n", AddressFile));
AddressFile->FilterOnPacketType = FALSE;
AddressFile->SpecialReceiveProcessing = (BOOLEAN)
(AddressFile->ExtendedAddressing || AddressFile->ReceiveFlagsAddressing ||
AddressFile->ReceiveIpxHeader || AddressFile->IsSapSocket);
break;
case MIPX_SENDADDROPT:
//
// IPX_EXTENDED_ADDRESS (TRUE).
//
IPX_DEBUG (ACTION, ("%lx: MIPX_SENDADDROPT\n", AddressFile));
AddressFile->ExtendedAddressing = TRUE;
AddressFile->SpecialReceiveProcessing = TRUE;
break;
case MIPX_NOSENDADDROPT:
//
// IPX_EXTENDED_ADDRESS (FALSE).
//
IPX_DEBUG (ACTION, ("%lx: MIPX_NOSENDADDROPT\n", AddressFile));
AddressFile->ExtendedAddressing = FALSE;
AddressFile->SpecialReceiveProcessing = (BOOLEAN)
(AddressFile->ReceiveFlagsAddressing || AddressFile->ReceiveIpxHeader ||
AddressFile->FilterOnPacketType || AddressFile->IsSapSocket);
break;
#if 0
case MIPX_SETNIC:
//
// IPX_NIC_ADDRESS TRUE
//
IPX_DEBUG (ACTION, ("%lx: MIPX_SETNIC\n", AddressFile));
AddressFile->NicAddressing = TRUE;
AddressFile->SpecialReceiveProcessing = TRUE;
break;
case MIPX_NOSETNIC:
//
// IPX_NIC_ADDRESS (FALSE).
//
IPX_DEBUG (ACTION, ("%lx: MIPX_NOSETNIC\n", AddressFile));
AddressFile->NicAddressing = FALSE;
AddressFile->SpecialReceiveProcessing = (BOOLEAN)
(AddressFile->ReceiveFlagsAddressing ||
AddressFile->ReceiveIpxHeader ||
AddressFile->FilterOnPacketType || AddressFile->IsSapSocket ||
AddressFile->NicAddressing);
break;
#endif
case MIPX_SETRCVFLAGS:
//
// No sockopt yet.
//
IPX_DEBUG (ACTION, ("%lx: MIPX_SETRCVFLAGS\n", AddressFile));
AddressFile->ReceiveFlagsAddressing = TRUE;
AddressFile->SpecialReceiveProcessing = TRUE;
break;
case MIPX_NORCVFLAGS:
//
// No sockopt yet.
//
IPX_DEBUG (ACTION, ("%lx: MIPX_NORCVFLAGS\n", AddressFile));
AddressFile->ReceiveFlagsAddressing = FALSE;
AddressFile->SpecialReceiveProcessing = (BOOLEAN)
(AddressFile->ExtendedAddressing || AddressFile->ReceiveIpxHeader ||
AddressFile->FilterOnPacketType || AddressFile->IsSapSocket);
break;
case MIPX_SENDHEADER:
//
// IPX_RECVHDR (TRUE);
//
IPX_DEBUG (ACTION, ("%lx: MIPX_SENDHEADER\n", AddressFile));
AddressFile->ReceiveIpxHeader = TRUE;
AddressFile->SpecialReceiveProcessing = TRUE;
break;
case MIPX_NOSENDHEADER:
//
// IPX_RECVHDR (FALSE);
//
IPX_DEBUG (ACTION, ("%lx: MIPX_NOSENDHEADER\n", AddressFile));
AddressFile->ReceiveIpxHeader = FALSE;
AddressFile->SpecialReceiveProcessing = (BOOLEAN)
(AddressFile->ExtendedAddressing || AddressFile->ReceiveFlagsAddressing ||
AddressFile->FilterOnPacketType || AddressFile->IsSapSocket);
break;
case MIPX_RCVBCAST:
//
// Broadcast reception enabled.
//
IPX_DEBUG (ACTION, ("%lx: MIPX_RCVBCAST\n", AddressFile));
//
// It's enabled by default now
//
/*
CTEGetLock (&Device->Lock, &LockHandle);
if (!AddressFile->EnableBroadcast) {
AddressFile->EnableBroadcast = TRUE;
IpxAddBroadcast (Device);
}
CTEFreeLock (&Device->Lock, LockHandle);
*/
break;
case MIPX_NORCVBCAST:
//
// Broadcast reception disabled.
//
IPX_DEBUG (ACTION, ("%lx: MIPX_NORCVBCAST\n", AddressFile));
//
// It's enabled by default now
//
/*
CTEGetLock (&Device->Lock, &LockHandle);
if (AddressFile->EnableBroadcast) {
AddressFile->EnableBroadcast = FALSE;
IpxRemoveBroadcast (Device);
}
CTEFreeLock (&Device->Lock, LockHandle);
*/
break;
case MIPX_GETPKTSIZE:
//
// IPX_MAXSIZE.
//
// Figure out what the first length is for.
//
IPX_DEBUG (ACTION, ("%lx: MIPX_GETPKTSIZE\n", AddressFile));
if (DataLength >= sizeof(GET_PKT_SIZE)) {
u.GetPktSize = (PGET_PKT_SIZE)(NwlinkAction->Data);
u.GetPktSize->Unknown = 0;
u.GetPktSize->MaxDatagramSize = Device->Information.MaxDatagramSize;
} else {
Status = STATUS_BUFFER_TOO_SMALL;
}
break;
case MIPX_ADAPTERNUM:
//
// IPX_MAX_ADAPTER_NUM.
//
IPX_DEBUG (ACTION, ("%lx: MIPX_ADAPTERNUM\n", AddressFile));
if (DataLength >= sizeof(ULONG)) {
*(UNALIGNED ULONG *)(NwlinkAction->Data) = Device->SapNicCount;
} else {
Status = STATUS_BUFFER_TOO_SMALL;
}
break;
case MIPX_ADAPTERNUM2:
//
// IPX_MAX_ADAPTER_NUM.
//
IPX_DEBUG (ACTION, ("%lx: MIPX_ADAPTERNUM2\n", AddressFile));
if (DataLength >= sizeof(ULONG)) {
*(UNALIGNED ULONG *)(NwlinkAction->Data) = MIN (Device->MaxBindings, Device->ValidBindings);
} else {
Status = STATUS_BUFFER_TOO_SMALL;
}
break;
case MIPX_GETCARDINFO:
case MIPX_GETCARDINFO2:
//
// GETCARDINFO is IPX_ADDRESS.
//
IPX_DEBUG (ACTION, ("%lx: MIPX_GETCARDINFO (%d)\n",
AddressFile, *(UNALIGNED UINT *)NwlinkAction->Data));
if (DataLength >= sizeof(IPX_ADDRESS_DATA)) {
u.IpxAddressData = (PIPX_ADDRESS_DATA)(NwlinkAction->Data);
AdapterNum = u.IpxAddressData->adapternum+1;
if (((AdapterNum >= 1) && (AdapterNum <= Device->SapNicCount)) ||
((NwlinkAction->Option == MIPX_GETCARDINFO2) && (AdapterNum <= (ULONG) MIN (Device->MaxBindings, Device->ValidBindings)))) {
// Get lock
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
Binding = NIC_ID_TO_BINDING(Device, AdapterNum);
if (Binding == NULL) {
//
// This should be a binding in the WAN range
// of an adapter which is currently not
// allocated. We scan back to the previous
// non-NULL binding, which should be on the
// same adapter, and return a down line with
// the same characteristics as that binding.
//
UINT i = AdapterNum;
do {
--i;
Binding = NIC_ID_TO_BINDING(Device, i);
} while (Binding == NULL);
//CTEAssert (Binding->Adapter->MacInfo.MediumAsync);
//CTEAssert (i >= Binding->Adapter->FirstWanNicId);
//CTEAssert (AdapterNum <= Binding->Adapter->LastWanNicId);
// take out assertion because srv might have gotten the number
// of adapters before we finished bindadapters.
u.IpxAddressData->status = FALSE;
*(UNALIGNED ULONG *)u.IpxAddressData->netnum = Binding->LocalAddress.NetworkAddress;
} else {
if ((Binding->Adapter->MacInfo.MediumAsync) &&
(Device->WanGlobalNetworkNumber)) {
//
// In this case we make it look like one big wan
// net, so the line is "up" or "down" depending
// on whether we have given him the first indication
// or not.
//
u.IpxAddressData->status = Device->GlobalNetworkIndicated;
*(UNALIGNED ULONG *)u.IpxAddressData->netnum = Device->GlobalWanNetwork;
} else {
#ifdef SUNDOWN
u.IpxAddressData->status = (unsigned char) Binding->LineUp;
#else
u.IpxAddressData->status = Binding->LineUp;
#endif
*(UNALIGNED ULONG *)u.IpxAddressData->netnum = Binding->LocalAddress.NetworkAddress;
}
}
RtlCopyMemory(u.IpxAddressData->nodenum, Binding->LocalAddress.NodeAddress, 6);
Adapter = Binding->Adapter;
u.IpxAddressData->wan = Adapter->MacInfo.MediumAsync;
u.IpxAddressData->maxpkt =
(NwlinkAction->Option == MIPX_GETCARDINFO) ?
Binding->AnnouncedMaxDatagramSize :
Binding->RealMaxDatagramSize;
u.IpxAddressData->linkspeed = Binding->MediumSpeed;
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
} else {
Status = STATUS_INVALID_PARAMETER;
}
} else {
#if 1
//
// Support the old format query for now.
//
typedef struct _IPX_OLD_ADDRESS_DATA {
UINT adapternum;
UCHAR netnum[4];
UCHAR nodenum[6];
} IPX_OLD_ADDRESS_DATA, *PIPX_OLD_ADDRESS_DATA;
if (DataLength >= sizeof(IPX_OLD_ADDRESS_DATA)) {
u.IpxAddressData = (PIPX_ADDRESS_DATA)(NwlinkAction->Data);
AdapterNum = u.IpxAddressData->adapternum+1;
if ((AdapterNum >= 1) && (AdapterNum <= Device->SapNicCount)) {
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
if (Binding = NIC_ID_TO_BINDING(Device, AdapterNum)) {
*(UNALIGNED ULONG *)u.IpxAddressData->netnum = Binding->LocalAddress.NetworkAddress;
RtlCopyMemory(u.IpxAddressData->nodenum, Binding->LocalAddress.NodeAddress, 6);
} else {
Status = STATUS_INVALID_PARAMETER;
}
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
} else {
Status = STATUS_INVALID_PARAMETER;
}
} else {
Status = STATUS_BUFFER_TOO_SMALL;
}
#else
Status = STATUS_BUFFER_TOO_SMALL;
#endif
}
break;
case MIPX_NOTIFYCARDINFO:
//
// IPX_ADDRESS_NOTIFY.
//
IPX_DEBUG (ACTION, ("%lx: MIPX_NOTIFYCARDINFO (%lx)\n", AddressFile, Request));
CTEGetLock (&Device->Lock, &LockHandle);
//
// If the device is open and there is room in the
// buffer for the data, insert it in our queue.
// It will be completed when a change happens or
// the driver is unloaded.
//
if (Device->State == DEVICE_STATE_OPEN) {
if (DataLength >= sizeof(IPX_ADDRESS_DATA)) {
InsertTailList(
&Device->AddressNotifyQueue,
REQUEST_LINKAGE(Request)
);
IoSetCancelRoutine (Request, IpxCancelAction);
// If IO Manager calls the cancel routine, then it will
// set the cancel routine to be NULL.
// IoSetCancelRoutine returns the previous cancel
// routine, if the return value is null, then IO Manager
// has called the cancel routine. If not null, then
// the cancel routine has not been called and the irp
// was canceled before we set the cancel routine.
if (Request->Cancel &&
IoSetCancelRoutine (Request, (PDRIVER_CANCEL)NULL) != NULL) {
(VOID)RemoveTailList (&Device->AddressNotifyQueue);
Status = STATUS_CANCELLED;
} else {
IpxReferenceDevice (Device, DREF_ADDRESS_NOTIFY);
Status = STATUS_PENDING;
}
} else {
Status = STATUS_BUFFER_TOO_SMALL;
}
} else {
Status = STATUS_DEVICE_NOT_READY;
}
CTEFreeLock (&Device->Lock, LockHandle);
break;
case MIPX_LINECHANGE:
//
// IPX_ADDRESS_NOTIFY.
//
IPX_DEBUG (ACTION, ("MIPX_LINECHANGE (%lx)\n", Request));
CTEGetLock (&Device->Lock, &LockHandle);
//
// If the device is open and there is room in the
// buffer for the data, insert it in our queue.
// It will be completed when a change happens or
// the driver is unloaded.
//
if (Device->State == DEVICE_STATE_OPEN) {
InsertTailList(
&Device->LineChangeQueue,
REQUEST_LINKAGE(Request)
);
IoSetCancelRoutine (Request, IpxCancelAction);
if (Request->Cancel &&
IoSetCancelRoutine (Request, (PDRIVER_CANCEL)NULL) != NULL) {
(VOID)RemoveTailList (&Device->LineChangeQueue);
Status = STATUS_CANCELLED;
} else {
IpxReferenceDevice (Device, DREF_LINE_CHANGE);
Status = STATUS_PENDING;
}
} else {
Status = STATUS_DEVICE_NOT_READY;
}
CTEFreeLock (&Device->Lock, LockHandle);
break;
case MIPX_GETNETINFO_NR:
//
// A request for network information about the immediate
// route to a network (this is called by sockets apps).
//
if (DataLength < sizeof(IPX_NETNUM_DATA)) {
return STATUS_BUFFER_TOO_SMALL;
}
u.IpxNetnumData = (PIPX_NETNUM_DATA)(NwlinkAction->Data);
//
// A query on network 0 means that the caller wants
// information about our directly attached net.
//
if (*(UNALIGNED ULONG *)u.IpxNetnumData->netnum == 0) {
//
// The tick count is the number of 1/18.21 second ticks
// it takes to deliver a 576-byte packet. Our link speed
// is in 100 bit-per-second units. We calculate it as
// follows (LS is the LinkSpeed):
//
// 576 bytes 8 bits 1 second 1821 ticks
// * ------ * ------------- * ----------
// 1 byte LS * 100 bits 100 seconds
//
// which becomes 839 / LinkSpeed -- we add LinkSpeed
// to the top to round up.
//
if (Device->LinkSpeed == 0) {
u.IpxNetnumData->netdelay = 16;
} else {
u.IpxNetnumData->netdelay = (USHORT)((839 + Device->LinkSpeed) /
(Device->LinkSpeed));
}
u.IpxNetnumData->hopcount = 0;
u.IpxNetnumData->cardnum = 0;
RtlMoveMemory (u.IpxNetnumData->router, Device->SourceAddress.NodeAddress, 6);
} else {
if (Device->ForwarderBound) {
//
// [FW] Call the Forwarder's FindRoute if installed
//
//
// What about the node number here?
//
Status = (*Device->UpperDrivers[IDENTIFIER_RIP].FindRouteHandler) (
u.IpxNetnumData->netnum,
NULL, // FindRouteRequest->Node,
&routeEntry);
if (Status != STATUS_SUCCESS) {
IPX_DEBUG (ACTION, (" MIPX_GETNETINFO_NR failed net %lx",
REORDER_ULONG(*(UNALIGNED ULONG *)(u.IpxNetnumData->netnum))));
Status = STATUS_BAD_NETWORK_PATH;
} else {
//
// Fill in the information
//
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
if (Binding = NIC_ID_TO_BINDING(Device, routeEntry.LocalTarget.NicId)) {
u.IpxNetnumData->hopcount = routeEntry.HopCount;
u.IpxNetnumData->netdelay = routeEntry.TickCount;
if (Binding->BindingSetMember) {
u.IpxNetnumData->cardnum = (INT)(Binding->MasterBinding->NicId - 1);
} else {
u.IpxNetnumData->cardnum = (INT)(routeEntry.LocalTarget.NicId - 1);
}
// RtlMoveMemory (u.IpxNetnumData->router, routeEntry.LocalTarget.MacAddress, 6);
*((UNALIGNED ULONG *)u.IpxNetnumData->router) =
*((UNALIGNED ULONG *)routeEntry.LocalTarget.MacAddress);
*((UNALIGNED ULONG *)(u.IpxNetnumData->router+4)) =
*((UNALIGNED ULONG *)(routeEntry.LocalTarget.MacAddress+4));
}
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
}
} else {
Segment = RipGetSegment(u.IpxNetnumData->netnum);
//
// To maintain the lock order: BindAccessLock > RIP table
//
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
CTEGetLock (&Device->SegmentLocks[Segment], &LockHandle);
//
// See which net card this is routed on.
//
RouteEntry = RipGetRoute (Segment, u.IpxNetnumData->netnum);
if ((RouteEntry != NULL) &&
(Binding = NIC_ID_TO_BINDING(Device, RouteEntry->NicId))) {
u.IpxNetnumData->hopcount = RouteEntry->HopCount;
u.IpxNetnumData->netdelay = RouteEntry->TickCount;
if (Binding->BindingSetMember) {
u.IpxNetnumData->cardnum = (INT)(MIN (Device->MaxBindings, Binding->MasterBinding->NicId) - 1);
} else {
u.IpxNetnumData->cardnum = (INT)(RouteEntry->NicId - 1);
}
RtlMoveMemory (u.IpxNetnumData->router, RouteEntry->NextRouter, 6);
} else {
//
// Fail the call, we don't have a route yet.
//
IPX_DEBUG (ACTION, ("MIPX_GETNETINFO_NR failed net %lx\n",
REORDER_ULONG(*(UNALIGNED ULONG *)(u.IpxNetnumData->netnum))));
Status = STATUS_BAD_NETWORK_PATH;
}
CTEFreeLock (&Device->SegmentLocks[Segment], LockHandle);
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
}
}
break;
case MIPX_RERIPNETNUM:
//
// We dont really support Re-RIP in the case of Forwarder above us
//
//
// A request for network information about the immediate
// route to a network (this is called by sockets apps).
//
if (DataLength < sizeof(IPX_NETNUM_DATA)) {
return STATUS_BUFFER_TOO_SMALL;
}
u.IpxNetnumData = (PIPX_NETNUM_DATA)(NwlinkAction->Data);
//
// Allow net 0 queries??
//
if (*(UNALIGNED ULONG *)u.IpxNetnumData->netnum == 0) {
if (Device->LinkSpeed == 0) {
u.IpxNetnumData->netdelay = 16;
} else {
u.IpxNetnumData->netdelay = (USHORT)((839 + Device->LinkSpeed) /
(Device->LinkSpeed));
}
u.IpxNetnumData->hopcount = 0;
u.IpxNetnumData->cardnum = 0;
RtlMoveMemory (u.IpxNetnumData->router, Device->SourceAddress.NodeAddress, 6);
} else {
if (Device->ForwarderBound) {
//
// [FW] Call the Forwarder's FindRoute if installed
//
//
// What about the node number here?
//
Status = (*Device->UpperDrivers[IDENTIFIER_RIP].FindRouteHandler) (
u.IpxNetnumData->netnum,
NULL, // FindRouteRequest->Node,
&routeEntry);
if (Status != STATUS_SUCCESS) {
IPX_DEBUG (ACTION, (" MIPX_RERIPNETNUM failed net %lx",
REORDER_ULONG(*(UNALIGNED ULONG *)(u.IpxNetnumData->netnum))));
Status = STATUS_BAD_NETWORK_PATH;
} else {
//
// Fill in the information
//
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
if (Binding = NIC_ID_TO_BINDING(Device, routeEntry.LocalTarget.NicId)) {
u.IpxNetnumData->hopcount = routeEntry.HopCount;
u.IpxNetnumData->netdelay = routeEntry.TickCount;
if (Binding->BindingSetMember) {
u.IpxNetnumData->cardnum = (INT)(Binding->MasterBinding->NicId - 1);
} else {
u.IpxNetnumData->cardnum = (INT)(routeEntry.LocalTarget.NicId - 1);
}
// RtlMoveMemory (u.IpxNetnumData->router, routeEntry.LocalTarget.MacAddress, 6);
*((UNALIGNED ULONG *)u.IpxNetnumData->router) =
*((UNALIGNED ULONG *)routeEntry.LocalTarget.MacAddress);
*((UNALIGNED ULONG *)(u.IpxNetnumData->router+4)) =
*((UNALIGNED ULONG *)(routeEntry.LocalTarget.MacAddress+4));
}
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
}
} else {
Segment = RipGetSegment(u.IpxNetnumData->netnum);
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
CTEGetLock (&Device->SegmentLocks[Segment], &LockHandle);
//
// See which net card this is routed on.
//
RouteEntry = RipGetRoute (Segment, u.IpxNetnumData->netnum);
if ((RouteEntry != NULL) &&
(Binding = NIC_ID_TO_BINDING(Device, RouteEntry->NicId)) &&
(RouteEntry->Flags & IPX_ROUTER_PERMANENT_ENTRY)) {
u.IpxNetnumData->hopcount = RouteEntry->HopCount;
u.IpxNetnumData->netdelay = RouteEntry->TickCount;
if (Binding->BindingSetMember) {
u.IpxNetnumData->cardnum = (INT)(MIN (Device->MaxBindings, Binding->MasterBinding->NicId) - 1);
} else {
u.IpxNetnumData->cardnum = (INT)(RouteEntry->NicId - 1);
}
RtlMoveMemory (u.IpxNetnumData->router, RouteEntry->NextRouter, 6);
} else {
//
// This call will return STATUS_PENDING if we successfully
// queue a RIP request for the packet.
//
Status = RipQueueRequest (*(UNALIGNED ULONG *)u.IpxNetnumData->netnum, RIP_REQUEST);
CTEAssert (Status != STATUS_SUCCESS);
if (Status == STATUS_PENDING) {
//
// A RIP request went out on the network; we queue
// this request for completion when the RIP response
// arrives. We save the network in the information
// field for easier retrieval later.
//
#ifdef SUNDOWN
REQUEST_INFORMATION(Request) = (ULONG_PTR)u.IpxNetnumData;
#else
REQUEST_INFORMATION(Request) = (ULONG)u.IpxNetnumData;
#endif
InsertTailList(
&Device->Segments[Segment].WaitingReripNetnum,
REQUEST_LINKAGE(Request));
IPX_DEBUG (ACTION, ("MIPX_RERIPNETNUM queued net %lx\n",
REORDER_ULONG(*(UNALIGNED ULONG *)(u.IpxNetnumData->netnum))));
}
}
CTEFreeLock (&Device->SegmentLocks[Segment], LockHandle);
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
}
}
break;
case MIPX_GETNETINFO:
//
// A request for network information about the immediate
// route to a network (this is called by sockets apps).
//
if (DataLength < sizeof(IPX_NETNUM_DATA)) {
return STATUS_BUFFER_TOO_SMALL;
}
u.IpxNetnumData = (PIPX_NETNUM_DATA)(NwlinkAction->Data);
//
// Allow net 0 queries??
//
if (*(UNALIGNED ULONG *)u.IpxNetnumData->netnum == 0) {
if (Device->LinkSpeed == 0) {
u.IpxNetnumData->netdelay = 16;
} else {
u.IpxNetnumData->netdelay = (USHORT)((839 + Device->LinkSpeed) /
(Device->LinkSpeed));
}
u.IpxNetnumData->hopcount = 0;
u.IpxNetnumData->cardnum = 0;
RtlMoveMemory (u.IpxNetnumData->router, Device->SourceAddress.NodeAddress, 6);
} else {
if (Device->ForwarderBound) {
//
// [FW] Call the Forwarder's FindRoute if installed
//
//
// What about the node number here?
//
Status = (*Device->UpperDrivers[IDENTIFIER_RIP].FindRouteHandler) (
u.IpxNetnumData->netnum,
NULL, // FindRouteRequest->Node,
&routeEntry);
if (Status != STATUS_SUCCESS) {
IPX_DEBUG (ACTION, (" MIPX_GETNETINFO failed net %lx",
REORDER_ULONG(*(UNALIGNED ULONG *)(u.IpxNetnumData->netnum))));
Status = STATUS_BAD_NETWORK_PATH;
} else {
//
// Fill in the information
//
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
if (Binding = NIC_ID_TO_BINDING(Device, routeEntry.LocalTarget.NicId)) {
u.IpxNetnumData->hopcount = routeEntry.HopCount;
u.IpxNetnumData->netdelay = routeEntry.TickCount;
if (Binding->BindingSetMember) {
u.IpxNetnumData->cardnum = (INT)(Binding->MasterBinding->NicId - 1);
} else {
u.IpxNetnumData->cardnum = (INT)(routeEntry.LocalTarget.NicId - 1);
}
// RtlMoveMemory (u.IpxNetnumData->router, routeEntry.LocalTarget.MacAddress, 6);
*((UNALIGNED ULONG *)u.IpxNetnumData->router) =
*((UNALIGNED ULONG *)routeEntry.LocalTarget.MacAddress);
*((UNALIGNED ULONG *)(u.IpxNetnumData->router+4)) =
*((UNALIGNED ULONG *)(routeEntry.LocalTarget.MacAddress+4));
}
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
}
} else {
Segment = RipGetSegment(u.IpxNetnumData->netnum);
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
CTEGetLock (&Device->SegmentLocks[Segment], &LockHandle);
//
// See which net card this is routed on.
//
RouteEntry = RipGetRoute (Segment, u.IpxNetnumData->netnum);
if ((RouteEntry != NULL) &&
(Binding = NIC_ID_TO_BINDING(Device, RouteEntry->NicId))) {
u.IpxNetnumData->hopcount = RouteEntry->HopCount;
u.IpxNetnumData->netdelay = RouteEntry->TickCount;
if (Binding->BindingSetMember) {
u.IpxNetnumData->cardnum = (INT)(MIN (Device->MaxBindings, Binding->MasterBinding->NicId) - 1);
} else {
u.IpxNetnumData->cardnum = (INT)(RouteEntry->NicId - 1);
}
RtlMoveMemory (u.IpxNetnumData->router, RouteEntry->NextRouter, 6);
} else {
//
// This call will return STATUS_PENDING if we successfully
// queue a RIP request for the packet.
//
Status = RipQueueRequest (*(UNALIGNED ULONG *)u.IpxNetnumData->netnum, RIP_REQUEST);
CTEAssert (Status != STATUS_SUCCESS);
if (Status == STATUS_PENDING) {
//
// A RIP request went out on the network; we queue
// this request for completion when the RIP response
// arrives. We save the network in the information
// field for easier retrieval later.
//
#ifdef SUNDOWN
REQUEST_INFORMATION(Request) = (ULONG_PTR)u.IpxNetnumData;
#else
REQUEST_INFORMATION(Request) = (ULONG)u.IpxNetnumData;
#endif
InsertTailList(
&Device->Segments[Segment].WaitingReripNetnum,
REQUEST_LINKAGE(Request));
IPX_DEBUG (ACTION, ("MIPX_GETNETINFO queued net %lx\n",
REORDER_ULONG(*(UNALIGNED ULONG *)(u.IpxNetnumData->netnum))));
}
}
CTEFreeLock (&Device->SegmentLocks[Segment], LockHandle);
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
}
}
break;
case MIPX_SENDPTYPE:
case MIPX_NOSENDPTYPE:
//
// For the moment just use OptionsLength >= 1 to indicate
// that the send options include the packet type.
//
// Do we need to worry about card num being there?
//
#if 0
IPX_DEBUG (ACTION, ("%lx: MIPS_%sSENDPTYPE\n", AddressFile,
NwlinkAction->Option == MIPX_SENDPTYPE ? "" : "NO"));
#endif
break;
case MIPX_ZEROSOCKET:
//
// Sends from this address should be from socket 0;
// This is done the simple way by just putting the
// information in the address itself, instead of
// making it per address file (this is OK since
// this call is not exposed through winsock).
//
IPX_DEBUG (ACTION, ("%lx: MIPX_ZEROSOCKET\n", AddressFile));
AddressFile->Address->SendSourceSocket = 0;
AddressFile->Address->LocalAddress.Socket = 0;
break;
//
// This next batch are the source routing options. They
// are submitted by the IPXROUTE program.
//
// Do we expose all binding set members to this?
case MIPX_SRGETPARMS:
if (DataLength >= sizeof(SR_GET_PARAMETERS)) {
u.GetSrParameters = (PSR_GET_PARAMETERS)(NwlinkAction->Data);
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
if (Binding = NIC_ID_TO_BINDING(Device, u.GetSrParameters->BoardNumber+1)) {
IPX_DEBUG (ACTION, ("MIPX_SRGETPARMS (%d)\n", u.GetSrParameters->BoardNumber+1));
u.GetSrParameters->SrDefault = (Binding->AllRouteDirected) ? 1 : 0;
u.GetSrParameters->SrBroadcast = (Binding->AllRouteBroadcast) ? 1 : 0;
u.GetSrParameters->SrMulticast = (Binding->AllRouteMulticast) ? 1 : 0;
} else {
Status = STATUS_INVALID_PARAMETER;
}
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
} else {
Status = STATUS_BUFFER_TOO_SMALL;
}
break;
case MIPX_SRDEF:
case MIPX_SRBCAST:
case MIPX_SRMULTI:
if (DataLength >= sizeof(SR_SET_PARAMETER)) {
u.SetSrParameter = (PSR_SET_PARAMETER)(NwlinkAction->Data);
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
if (Binding = NIC_ID_TO_BINDING(Device, u.SetSrParameter->BoardNumber+1)) {
if (NwlinkAction->Option == MIPX_SRDEF) {
//
// The compiler generates strange
// code which always makes this path be
// taken????
//
IPX_DEBUG (ACTION, ("MIPX_SRDEF %d (%d)\n",
u.SetSrParameter->Parameter, u.SetSrParameter->BoardNumber+1));
Binding->AllRouteDirected = (BOOLEAN)u.SetSrParameter->Parameter;
} else if (NwlinkAction->Option == MIPX_SRBCAST) {
IPX_DEBUG (ACTION, ("MIPX_SRBCAST %d (%d)\n",
u.SetSrParameter->Parameter, u.SetSrParameter->BoardNumber+1));
Binding->AllRouteBroadcast = (BOOLEAN)u.SetSrParameter->Parameter;
} else {
IPX_DEBUG (ACTION, ("MIPX_SRMCAST %d (%d)\n",
u.SetSrParameter->Parameter, u.SetSrParameter->BoardNumber+1));
Binding->AllRouteMulticast = (BOOLEAN)u.SetSrParameter->Parameter;
}
} else {
Status = STATUS_INVALID_PARAMETER;
}
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
} else {
Status = STATUS_BUFFER_TOO_SMALL;
}
break;
case MIPX_SRREMOVE:
if (DataLength >= sizeof(SR_SET_REMOVE)) {
u.SetSrRemove = (PSR_SET_REMOVE)(NwlinkAction->Data);
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
if (Binding = NIC_ID_TO_BINDING(Device, u.SetSrRemove->BoardNumber+1)) {
IPX_DEBUG (ACTION, ("MIPX_SRREMOVE %2.2x-%2.2x-%2.2x-%2.2x-%2.2x-%2.2x (%d)\n",
u.SetSrRemove->MacAddress[0],
u.SetSrRemove->MacAddress[1],
u.SetSrRemove->MacAddress[2],
u.SetSrRemove->MacAddress[3],
u.SetSrRemove->MacAddress[4],
u.SetSrRemove->MacAddress[5],
u.SetSrRemove->BoardNumber+1));
MacSourceRoutingRemove (Binding, u.SetSrRemove->MacAddress);
} else {
Status = STATUS_INVALID_PARAMETER;
}
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
} else {
Status = STATUS_BUFFER_TOO_SMALL;
}
break;
case MIPX_SRCLEAR:
if (DataLength >= sizeof(SR_SET_CLEAR)) {
u.SetSrClear = (PSR_SET_CLEAR)(NwlinkAction->Data);
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
if (Binding = NIC_ID_TO_BINDING(Device, u.SetSrClear->BoardNumber+1)) {
IPX_DEBUG (ACTION, ("MIPX_SRCLEAR (%d)\n", u.SetSrClear->BoardNumber+1));
MacSourceRoutingClear (Binding);
} else {
Status = STATUS_INVALID_PARAMETER;
}
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
} else {
Status = STATUS_BUFFER_TOO_SMALL;
}
break;
//
// These are new for ISN (not supported in NWLINK).
//
case MIPX_LOCALTARGET:
//
// A request for the local target for an IPX address.
//
if (DataLength < sizeof(ISN_ACTION_GET_LOCAL_TARGET)) {
return STATUS_BUFFER_TOO_SMALL;
}
u.GetLocalTarget = (PISN_ACTION_GET_LOCAL_TARGET)(NwlinkAction->Data);
if (Device->ForwarderBound) {
//
// [FW] Call the Forwarder's FindRoute if installed
//
//
// What about the node number here?
//
Status = (*Device->UpperDrivers[IDENTIFIER_RIP].FindRouteHandler) (
(PUCHAR)&u.GetLocalTarget->IpxAddress.NetworkAddress,
NULL, // FindRouteRequest->Node,
&routeEntry);
if (Status != STATUS_SUCCESS) {
IPX_DEBUG (ACTION, (" MIPX_LOCALTARGET failed net %lx",
REORDER_ULONG(u.GetLocalTarget->IpxAddress.NetworkAddress)));
Status = STATUS_BAD_NETWORK_PATH;
} else {
//
// Fill in the information
//
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
//
// What about check for IPX_ROUTER_LOCAL_NET
//
if (Binding = NIC_ID_TO_BINDING(Device, routeEntry.LocalTarget.NicId)) {
if (Binding->BindingSetMember) {
//
// It's a binding set member, we round-robin the
// responses across all the cards to distribute
// the traffic.
//
MasterBinding = Binding->MasterBinding;
Binding = MasterBinding->CurrentSendBinding;
MasterBinding->CurrentSendBinding = Binding->NextBinding;
u.GetLocalTarget->LocalTarget.NicId = Binding->NicId;
} else {
u.GetLocalTarget->LocalTarget.NicId = routeEntry.LocalTarget.NicId;
}
*((UNALIGNED ULONG *)u.GetLocalTarget->LocalTarget.MacAddress) =
*((UNALIGNED ULONG *)routeEntry.LocalTarget.MacAddress);
*((UNALIGNED ULONG *)(u.GetLocalTarget->LocalTarget.MacAddress+4)) =
*((UNALIGNED ULONG *)(routeEntry.LocalTarget.MacAddress+4));
}
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
}
} else {
Segment = RipGetSegment((PUCHAR)&u.GetLocalTarget->IpxAddress.NetworkAddress);
CTEGetLock (&Device->SegmentLocks[Segment], &LockHandle);
//
// See if this route is local.
//
RouteEntry = RipGetRoute (Segment, (PUCHAR)&u.GetLocalTarget->IpxAddress.NetworkAddress);
if ((RouteEntry != NULL) &&
(RouteEntry->Flags & IPX_ROUTER_PERMANENT_ENTRY)) {
//
// This is a local net, to send to it you just use
// the appropriate NIC ID and the real MAC address.
//
if ((RouteEntry->Flags & IPX_ROUTER_LOCAL_NET) == 0) {
//
// It's the virtual net, send via the first card.
//
FILL_LOCAL_TARGET(&u.GetLocalTarget->LocalTarget, 1);
CTEFreeLock (&Device->SegmentLocks[Segment], LockHandle);
} else {
CTEFreeLock (&Device->SegmentLocks[Segment], LockHandle);
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
Binding = NIC_ID_TO_BINDING(Device, RouteEntry->NicId);
if (Binding->BindingSetMember) {
//
// It's a binding set member, we round-robin the
// responses across all the cards to distribute
// the traffic.
//
MasterBinding = Binding->MasterBinding;
Binding = MasterBinding->CurrentSendBinding;
MasterBinding->CurrentSendBinding = Binding->NextBinding;
FILL_LOCAL_TARGET(&u.GetLocalTarget->LocalTarget, MIN( Device->MaxBindings, Binding->NicId));
} else {
FILL_LOCAL_TARGET(&u.GetLocalTarget->LocalTarget, RouteEntry->NicId);
}
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
}
RtlCopyMemory(
u.GetLocalTarget->LocalTarget.MacAddress,
u.GetLocalTarget->IpxAddress.NodeAddress,
6);
} else {
//
// This call will return STATUS_PENDING if we successfully
// queue a RIP request for the packet.
//
Status = RipQueueRequest (u.GetLocalTarget->IpxAddress.NetworkAddress, RIP_REQUEST);
CTEAssert (Status != STATUS_SUCCESS);
if (Status == STATUS_PENDING) {
//
// A RIP request went out on the network; we queue
// this request for completion when the RIP response
// arrives. We save the network in the information
// field for easier retrieval later.
//
#ifdef SUNDOWN
REQUEST_INFORMATION(Request) = (ULONG_PTR)u.GetLocalTarget;
#else
REQUEST_INFORMATION(Request) = (ULONG)u.GetLocalTarget;
#endif
InsertTailList(
&Device->Segments[Segment].WaitingLocalTarget,
REQUEST_LINKAGE(Request));
}
CTEFreeLock (&Device->SegmentLocks[Segment], LockHandle);
}
}
break;
case MIPX_NETWORKINFO:
//
// A request for network information about the immediate
// route to a network.
//
if (DataLength < sizeof(ISN_ACTION_GET_NETWORK_INFO)) {
return STATUS_BUFFER_TOO_SMALL;
}
u.GetNetworkInfo = (PISN_ACTION_GET_NETWORK_INFO)(NwlinkAction->Data);
if (u.GetNetworkInfo->Network == 0) {
//
// This is information about the local card.
//
u.GetNetworkInfo->LinkSpeed = Device->LinkSpeed * 12;
u.GetNetworkInfo->MaximumPacketSize = Device->Information.MaxDatagramSize;
} else {
if (Device->ForwarderBound) {
//
// [FW] Call the Forwarder's FindRoute if installed
//
//
// What about the node number here?
//
Status = (*Device->UpperDrivers[IDENTIFIER_RIP].FindRouteHandler) (
(PUCHAR)&u.GetNetworkInfo->Network,
NULL, // FindRouteRequest->Node,
&routeEntry);
if (Status != STATUS_SUCCESS) {
IPX_DEBUG (ACTION, (" MIPX_GETNETINFO_NR failed net %lx",
REORDER_ULONG(u.GetNetworkInfo->Network)));
Status = STATUS_BAD_NETWORK_PATH;
} else {
//
// Fill in the information
//
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
if (Binding = NIC_ID_TO_BINDING(Device, routeEntry.LocalTarget.NicId)) {
//
// Our medium speed is stored in 100 bps, we
// convert to bytes/sec by multiplying by 12
// (should really be 100/8 = 12.5).
//
u.GetNetworkInfo->LinkSpeed = Binding->MediumSpeed * 12;
u.GetNetworkInfo->MaximumPacketSize = Binding->AnnouncedMaxDatagramSize;
}
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
}
} else {
Segment = RipGetSegment((PUCHAR)&u.GetNetworkInfo->Network);
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
CTEGetLock (&Device->SegmentLocks[Segment], &LockHandle);
//
// See which net card this is routed on.
//
RouteEntry = RipGetRoute (Segment, (PUCHAR)&u.GetNetworkInfo->Network);
if ((RouteEntry != NULL) &&
(Binding = NIC_ID_TO_BINDING(Device, RouteEntry->NicId))) {
//
// Our medium speed is stored in 100 bps, we
// convert to bytes/sec by multiplying by 12
// (should really be 100/8 = 12.5).
//
u.GetNetworkInfo->LinkSpeed = Binding->MediumSpeed * 12;
u.GetNetworkInfo->MaximumPacketSize = Binding->AnnouncedMaxDatagramSize;
} else {
//
// Fail the call, we don't have a route yet.
// This requires that a packet has been
// sent to this net already; nwrdr says this is
// OK, they will send their connect request
// before they query. On the server it should
// have RIP running so all nets should be in
// the database.
//
Status = STATUS_BAD_NETWORK_PATH;
}
CTEFreeLock (&Device->SegmentLocks[Segment], LockHandle);
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
}
}
break;
case MIPX_CONFIG:
//
// A request for details on every binding.
//
if (DataLength < sizeof(ISN_ACTION_GET_DETAILS)) {
IPX_DEBUG(ACTION, ("Not enought buffer %d < %d\n", DataLength,sizeof(ISN_ACTION_GET_DETAILS) ));
return STATUS_BUFFER_TOO_SMALL;
}
u.GetDetails = (PISN_ACTION_GET_DETAILS)(NwlinkAction->Data);
if (u.GetDetails->NicId == 0) {
//
// This is information about the local card. We also
// tell him the total number of bindings in NicId.
//
u.GetDetails->NetworkNumber = Device->VirtualNetworkNumber;
u.GetDetails->NicId = (USHORT)MIN (Device->MaxBindings, Device->ValidBindings);
} else {
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
Binding = NIC_ID_TO_BINDING(Device, u.GetDetails->NicId);
if ((Binding != NULL) &&
(u.GetDetails->NicId <= MIN (Device->MaxBindings, Device->ValidBindings))) {
ULONG StringLoc;
IpxReferenceBinding1(Binding, BREF_DEVICE_ACCESS);
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
u.GetDetails->NetworkNumber = Binding->LocalAddress.NetworkAddress;
if (Binding->Adapter->MacInfo.MediumType == NdisMediumArcnet878_2) {
u.GetDetails->FrameType = ISN_FRAME_TYPE_ARCNET;
} else {
u.GetDetails->FrameType = Binding->FrameType;
}
u.GetDetails->BindingSet = Binding->BindingSetMember;
if (Binding->Adapter->MacInfo.MediumAsync) {
if (Binding->LineUp) {
u.GetDetails->Type = 2;
} else {
u.GetDetails->Type = 3;
}
} else {
u.GetDetails->Type = 1;
}
RtlCopyMemory (u.GetDetails->Node, Binding->LocalMacAddress.Address, 6);
//
// Copy the adapter name, including the final NULL.
//
StringLoc = (Binding->Adapter->AdapterNameLength / sizeof(WCHAR)) - 2;
while (Binding->Adapter->AdapterName[StringLoc] != L'\\') {
--StringLoc;
}
RtlCopyMemory(
u.GetDetails->AdapterName,
&Binding->Adapter->AdapterName[StringLoc+1],
Binding->Adapter->AdapterNameLength - ((StringLoc+1) * sizeof(WCHAR)));
IpxDereferenceBinding1(Binding, BREF_DEVICE_ACCESS);
} else {
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
IPX_DEBUG(ACTION, ("Bad nic id %d\n",u.GetDetails->NicId));
Status = STATUS_INVALID_PARAMETER;
}
}
break;
//
// Return new nic info to the requestor. Currently, no check for
// who retrieved the info earlier.
//
case MIPX_GETNEWNICINFO:
IPX_DEBUG (ACTION, ("%lx: MIPX_GETNEWNICINFO (%lx)\n", AddressFile,
Request));
//
// a request for details on new bindings.
//
Status = GetNewNics(Device, Request, TRUE, NwlinkAction, BufferLength, FALSE);
break;
//
// In case a LineUp occurs with the IpxwanConfigRequired, this is used
// to indicate to IPX that the config is done and that the LineUp
// can be indicated to the other clients.
//
case MIPX_IPXWAN_CONFIG_DONE:
IPX_DEBUG (ACTION, ("MIPX_IPXWAN_CONFIG_DONE (%lx)\n", Request));
if (DataLength < sizeof(IPXWAN_CONFIG_DONE)) {
return STATUS_BUFFER_TOO_SMALL;
}
u.IpxwanConfigDone = (PIPXWAN_CONFIG_DONE)(NwlinkAction->Data);
Status = IpxIndicateLineUp( IpxDevice,
u.IpxwanConfigDone->NicId,
u.IpxwanConfigDone->Network,
u.IpxwanConfigDone->LocalNode,
u.IpxwanConfigDone->RemoteNode);
break;
//
// Used to query the WAN inactivity counter for a given NicId
//
case MIPX_QUERY_WAN_INACTIVITY: {
USHORT NicId;
IPX_DEBUG (ACTION, ("MIPX_QUERY_WAN_INACTIVITY (%lx)\n", Request));
if (DataLength < sizeof(IPX_QUERY_WAN_INACTIVITY)) {
return STATUS_BUFFER_TOO_SMALL;
}
u.QueryWanInactivity = (PIPX_QUERY_WAN_INACTIVITY)(NwlinkAction->Data);
//
// If this is an invalid Nic, then we need to associate a Nic with the ConnectionId that
// was passed in.
// This should happen only once per line up.
//
if (u.QueryWanInactivity->NicId == INVALID_NICID) {
PBINDING Binding;
{
ULONG Index = MIN (Device->MaxBindings, Device->HighestExternalNicId);
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
for ( NicId = Device->HighestLanNicId+1;NicId < Index;NicId++ ) {
Binding = NIC_ID_TO_BINDING(Device, NicId);
if (Binding && (Binding->ConnectionId == u.QueryWanInactivity->ConnectionId)) {
CTEAssert(Binding->Adapter->MacInfo.MediumAsync);
if (Binding->LineUp != LINE_CONFIG) {
IPX_DEBUG (WAN, ("Binding is not in config state yet got QUERY_WAN_INACTIVITY %lx %lx", Binding, Request));
NicId = 0;
}
u.QueryWanInactivity->NicId = NicId;
break;
}
}
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
}
}
if (NicId) {
u.QueryWanInactivity->WanInactivityCounter = IpxInternalQueryWanInactivity(NicId);
Status = STATUS_SUCCESS;
} else {
Status = STATUS_INVALID_PARAMETER;
}
break;
}
//
// The Option was not supported, so fail.
//
default:
Status = STATUS_NOT_SUPPORTED;
break;
} // end of the long switch on NwlinkAction->Option
#if DBG
if (!NT_SUCCESS(Status)) {
IPX_DEBUG (ACTION, ("Nwlink action %lx failed, status %lx\n", NwlinkAction->Option, Status));
}
#endif
return Status;
} /* IpxTdiAction */
VOID
IpxCancelAction(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp
)
/*++
Routine Description:
This routine is called by the I/O system to cancel an Action.
What is done to cancel it is specific to each action.
NOTE: This routine is called with the CancelSpinLock held and
is responsible for releasing it.
Arguments:
DeviceObject - Pointer to the device object for this driver.
Irp - Pointer to the request packet representing the I/O request.
Return Value:
none.
--*/
{
PDEVICE Device = IpxDevice;
PREQUEST Request = (PREQUEST)Irp;
CTELockHandle LockHandle;
PLIST_ENTRY p;
BOOLEAN Found;
UINT IOCTLType;
ASSERT( DeviceObject->DeviceExtension == IpxDevice );
//
// Find the request on the address notify queue.
//
Found = FALSE;
CTEGetLock (&Device->Lock, &LockHandle);
for (p = Device->AddressNotifyQueue.Flink;
p != &Device->AddressNotifyQueue;
p = p->Flink) {
if (LIST_ENTRY_TO_REQUEST(p) == Request) {
RemoveEntryList (p);
Found = TRUE;
IOCTLType = MIPX_NOTIFYCARDINFO;
break;
}
}
if (!Found) {
for (p = Device->LineChangeQueue.Flink;
p != &Device->LineChangeQueue;
p = p->Flink) {
if (LIST_ENTRY_TO_REQUEST(p) == Request) {
RemoveEntryList (p);
Found = TRUE;
IOCTLType = MIPX_LINECHANGE;
break;
}
}
}
if (!Found) {
for (p = Device->NicNtfQueue.Flink;
p != &Device->NicNtfQueue;
p = p->Flink) {
if (LIST_ENTRY_TO_REQUEST(p) == Request) {
RemoveEntryList (p);
Found = TRUE;
IOCTLType = MIPX_GETNEWNICINFO;
break;
}
}
}
CTEFreeLock (&Device->Lock, LockHandle);
IoReleaseCancelSpinLock (Irp->CancelIrql);
if (Found) {
REQUEST_INFORMATION(Request) = 0;
REQUEST_STATUS(Request) = STATUS_CANCELLED;
IpxCompleteRequest (Request);
IpxFreeRequest(Device, Request);
if (IOCTLType == MIPX_NOTIFYCARDINFO) {
IPX_DEBUG(ACTION, ("Cancelled action NOTIFYCARDINFO %lx\n", Request));
IpxDereferenceDevice (Device, DREF_ADDRESS_NOTIFY);
} else {
if (IOCTLType == MIPX_LINECHANGE) {
IPX_DEBUG(ACTION, ("Cancelled action LINECHANGE %lx\n", Request));
IpxDereferenceDevice (Device, DREF_LINE_CHANGE);
} else {
IPX_DEBUG(ACTION, ("Cancelled action LINECHANGE %lx\n", Request));
IpxDereferenceDevice (Device, DREF_NIC_NOTIFY);
}
}
}
#if DBG
else {
IPX_DEBUG(ACTION, ("Cancelled action orphan %lx\n", Request));
}
#endif
} /* IpxCancelAction */
VOID
IpxAbortLineChanges(
IN PVOID ControlChannelContext
)
/*++
Routine Description:
This routine aborts any line change IRPs posted by the
control channel with the specified open context. It is
called when a control channel is being shut down.
Arguments:
ControlChannelContext - The context assigned to the control
channel when it was opened.
Return Value:
none.
--*/
{
PDEVICE Device = IpxDevice;
CTELockHandle LockHandle;
LIST_ENTRY AbortList;
PLIST_ENTRY p;
PREQUEST Request;
KIRQL irql;
InitializeListHead (&AbortList);
IoAcquireCancelSpinLock( &irql );
CTEGetLock (&Device->Lock, &LockHandle);
p = Device->LineChangeQueue.Flink;
while (p != &Device->LineChangeQueue) {
LARGE_INTEGER ControlChId;
Request = LIST_ENTRY_TO_REQUEST(p);
CCID_FROM_REQUEST(ControlChId, Request);
p = p->Flink;
if (ControlChId.QuadPart == ((PLARGE_INTEGER)ControlChannelContext)->QuadPart) {
RemoveEntryList (REQUEST_LINKAGE(Request));
InsertTailList (&AbortList, REQUEST_LINKAGE(Request));
}
}
while (!IsListEmpty (&AbortList)) {
p = RemoveHeadList (&AbortList);
Request = LIST_ENTRY_TO_REQUEST(p);
IPX_DEBUG(ACTION, ("Aborting line change %lx\n", Request));
IoSetCancelRoutine (Request, (PDRIVER_CANCEL)NULL);
REQUEST_INFORMATION(Request) = 0;
REQUEST_STATUS(Request) = STATUS_CANCELLED;
CTEFreeLock(&Device->Lock, LockHandle);
IoReleaseCancelSpinLock( irql );
IpxCompleteRequest (Request);
IpxFreeRequest(Device, Request);
IpxDereferenceDevice (Device, DREF_LINE_CHANGE);
IoAcquireCancelSpinLock( &irql );
CTEGetLock(&Device->Lock, &LockHandle);
}
CTEFreeLock(&Device->Lock, LockHandle);
IoReleaseCancelSpinLock( irql );
} /* IpxAbortLineChanges */
#define ROUTER_INFORMED_OF_NIC_CREATION 2
NTSTATUS
GetNewNics(
PDEVICE Device,
IN PREQUEST Request,
BOOLEAN fCheck,
PNWLINK_ACTION NwlinkAction,
UINT BufferLength,
BOOLEAN OldIrp
)
{
NTSTATUS Status = STATUS_SUCCESS;
UINT DataLength;
PNDIS_BUFFER NdisBuffer;
CTELockHandle LockHandle;
CTELockHandle LockHandle1;
PBINDING Binding;
ULONG NoOfNullNics = 0;
PIPX_NICS pNics;
PIPX_NIC_INFO pNicInfo;
PIPX_NIC_INFO pLastNicInfo;
UINT LengthOfHeader;
ULONG n, i;
KIRQL OldIrql;
BOOLEAN fIncDec = FALSE;
ULONG StringLoc = 0;
LengthOfHeader = (UINT)(FIELD_OFFSET(NWLINK_ACTION, Data[0]));
if (fCheck)
{
if (BufferLength < (LengthOfHeader + FIELD_OFFSET(IPX_NICS, Data[0]) + sizeof(IPX_NIC_INFO)))
{
IPX_DEBUG (ACTION, ("Nwlink action failed, buffer too small for even one NICs info\n"));
return STATUS_BUFFER_TOO_SMALL;
}
}
else
{
NdisQueryBufferSafe (REQUEST_NDIS_BUFFER(Request), (PVOID *)&NwlinkAction, &BufferLength, NormalPagePriority);
if (NwlinkAction == NULL) {
return STATUS_INSUFFICIENT_RESOURCES;
}
}
pNics = (PIPX_NICS)(NwlinkAction->Data);
pNicInfo = (PIPX_NIC_INFO)(pNics->Data);
pLastNicInfo = pNicInfo + ((BufferLength - LengthOfHeader - FIELD_OFFSET(IPX_NICS, Data[0]))/sizeof(IPX_NIC_INFO)) - 1;
IPX_DEBUG(BIND, ("GetNewNicInfo: pNicInfo=(%x), pLastNicInfo=(%x),LengthOfHeader=(%x), BindingCount=(%x)\n", pNicInfo, pLastNicInfo, LengthOfHeader, Device->ValidBindings));
IPX_DEBUG(BIND, ("BufferLength is (%d). Length for storing NICS is (%d)\n", BufferLength, (BufferLength - LengthOfHeader - FIELD_OFFSET(IPX_NICS, Data[0]))));
if (pNics->fAllNicsDesired) {
IPX_DEBUG(BIND, ("Yes, All NICs desired\n"));
} else {
IPX_DEBUG(BIND, ("No, All NICs NOT desired\n"));
}
//
// Optimize since we don't want to go over the array all the time.
//
CTEGetLock (&Device->Lock, &LockHandle);
{
ULONG Index = MIN (Device->MaxBindings, Device->ValidBindings);
//
// If all nics are desired, then mark them ALL as dirty,
// for the subsequent IRPs that do not have this flag.
//
if (pNics->fAllNicsDesired) {
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
for (n=0, i=LOOPBACK_NIC_ID; i<=Index; i++) {
Binding = NIC_ID_TO_BINDING(Device, i);
if (Binding) {
Binding->fInfoIndicated = FALSE;
}
}
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
}
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
for (n=0, i=LOOPBACK_NIC_ID; i<=Index; i++)
{
Binding = NIC_ID_TO_BINDING(Device, i);
if (!Binding)
{
NoOfNullNics++;
continue;
}
//
// If the binding is of type autodetect *and* we haven't gotten a response on the adapter,
// that means IPX is still Autodetecting for this card. Do NOT tell FWD about it [shreem]
//
if (!Binding->PastAutoDetection) {
IPX_DEBUG(BIND, ("Binding[%d] Dont Tell FWD!\n", i));
NoOfNullNics++;
continue;
} else {
IPX_DEBUG(BIND, ("Binding[%d] Tell FWD about it (past auto detect)!\n", i));
}
//
// If we have already indicated info about this NIC, go on to the
// next nic.
//
if ((Binding->fInfoIndicated && !pNics->fAllNicsDesired)
|| (pNicInfo > pLastNicInfo))
{
if (Binding->fInfoIndicated) {
IPX_DEBUG(BIND, ("-------------------------> %d already indicated\n", i));
} else {
IPX_DEBUG(BIND, ("*********** Continue for another reason! (%d) \n", i));
}
if (pNicInfo > pLastNicInfo) {
IPX_DEBUG(BIND, ("pNicInfo: %x pLastNicInfo %x\n", pNicInfo, pLastNicInfo));
}
continue;
}
//
// If we have a WAN nic, indicate the line up/down status. Also,
// copy the remote address into the app. field
//
if (Binding->Adapter->MacInfo.MediumAsync)
{
RtlCopyMemory(pNicInfo->RemoteNodeAddress, Binding->WanRemoteNode, HARDWARE_ADDRESS_LENGTH);
if (Binding->LineUp)
{
// pNicInfo->Status = NIC_LINE_UP;
pNicInfo->Status = NIC_CREATED;
//fIncDec = NIC_OPCODE_INCREMENT_NICIDS;
}
else
{
// pNicInfo->Status = NIC_LINE_DOWN;
pNicInfo->Status = NIC_DELETED;
//fIncDec = NIC_OPCODE_DECREMENT_NICIDS;
}
pNicInfo->InterfaceIndex = Binding->InterfaceIndex;
pNicInfo->MaxPacketSize =
Binding->MaxSendPacketSize - ASYNC_MEDIUM_HDR_LEN;
}
else
{
if (Binding->LocalAddress.NetworkAddress == 0)
{
pNicInfo->Status = NIC_CREATED;
if (ROUTER_INFORMED_OF_NIC_CREATION != Binding->PastAutoDetection) {
IPX_DEBUG(BIND, ("!!!!!!!---- Increment on Binding %x, index (%d)\n", Binding,i));
fIncDec = NIC_OPCODE_INCREMENT_NICIDS;
} else {
IPX_DEBUG(BIND, ("Already informed. No increment on Binding %x, index (%d)\n", Binding,i));
}
}
else
{
pNicInfo->Status = NIC_CONFIGURED;
//
// IPX might have already informed the Router of the
// creation of this NicId, in which case, we dont ask
// it to increment the NicIds [ShreeM]
//
if (ROUTER_INFORMED_OF_NIC_CREATION != Binding->PastAutoDetection) {
IPX_DEBUG(BIND, ("!!!!!!!!! --------Increment on Binding %x, index (%d)\n", Binding,i));
fIncDec = NIC_OPCODE_INCREMENT_NICIDS;
}
}
//
// Router pnp changes [ShreeM]
//
if (FALSE == Binding->LineUp) {
pNicInfo->Status = NIC_DELETED;
fIncDec = NIC_OPCODE_DECREMENT_NICIDS;
}
//
// Loopback Adapter
//
if (LOOPBACK_NIC_ID == Binding->NicId) {
pNicInfo->Status = NIC_CONFIGURED;
fIncDec = NIC_OPCODE_INCREMENT_NICIDS;
}
//
// RealMaxDatagramSize does not include space for ipx
// header. The forwarder needs to have it included since
// we give the entire packet (mimus the mac header) to
// the forwarder
//
pNicInfo->MaxPacketSize =
Binding->RealMaxDatagramSize + sizeof(IPX_HEADER);
}
pNicInfo->NdisMediumType= Binding->Adapter->MacInfo.RealMediumType;
pNicInfo->LinkSpeed = Binding->MediumSpeed;
pNicInfo->PacketType = Binding->FrameType;
//
// Zero the stuff out and then set fields that make sense.
//
RtlZeroMemory(&pNicInfo->Details, sizeof(ISN_ACTION_GET_DETAILS));
pNicInfo->Details.NetworkNumber = Binding->LocalAddress.NetworkAddress;
RtlCopyMemory(pNicInfo->Details.Node, Binding->LocalAddress.NodeAddress, HARDWARE_ADDRESS_LENGTH);
pNicInfo->Details.NicId = Binding->NicId;
pNicInfo->Details.BindingSet = Binding->BindingSetMember;
pNicInfo->Details.FrameType = Binding->FrameType;
if (Binding->Adapter->MacInfo.MediumAsync) {
if (Binding->LineUp) {
pNicInfo->Details.Type = 2;
} else {
pNicInfo->Details.Type = 3;
}
} else {
pNicInfo->Details.Type = 1;
}
//
// Copy the adapter name, including the final NULL.
//
StringLoc = (Binding->Adapter->AdapterNameLength / sizeof(WCHAR)) - 2;
while (Binding->Adapter->AdapterName[StringLoc] != L'\\') {
--StringLoc;
}
RtlCopyMemory(
pNicInfo->Details.AdapterName,
&Binding->Adapter->AdapterName[StringLoc+1],
Binding->Adapter->AdapterNameLength - ((StringLoc+1) * sizeof(WCHAR)));
//
// Tell the forwarder that the rest of the NICIDs are to be moved up/down
// only if it is not asking for ALL of them
//
if (!pNics->fAllNicsDesired) {
pNicInfo->Status |= fIncDec;
}
pNicInfo->ConnectionId = Binding->ConnectionId;
pNicInfo->IpxwanConfigRequired = Binding->IpxwanConfigRequired;
#if DBG
//
// Dump the IPX_NIC_INFO Structure.
//
IPX_DEBUG(BIND, ("%d.\nNICID= %d, Interface Index = %d\n", i, pNicInfo->Details.NicId, pNicInfo->InterfaceIndex));
IPX_DEBUG(BIND, ("Interface Index = %d\n", pNicInfo->InterfaceIndex));
IPX_DEBUG(BIND, ("LinkSpeed = %d\n", pNicInfo->LinkSpeed));
IPX_DEBUG(BIND, ("PacketType = %d\n", pNicInfo->PacketType));
IPX_DEBUG(BIND, ("MaxPacketSize = %d\n", pNicInfo->MaxPacketSize));
IPX_DEBUG(BIND, ("NdisMediumType = %d\n", pNicInfo->NdisMediumType));
IPX_DEBUG(BIND, ("NdisMediumSubtype = %d\n", pNicInfo->NdisMediumSubtype));
IPX_DEBUG(BIND, ("Status = %d\n", (ULONG) pNicInfo->Status));
IPX_DEBUG(BIND, ("ConnectionID = %d\n", pNicInfo->ConnectionId));
IPX_DEBUG(BIND, ("IpxwanConfigRequired = %d\n", pNicInfo->IpxwanConfigRequired));
IPX_DEBUG(BIND, ("FrameType = %d\n", pNicInfo->Details.FrameType));
IPX_DEBUG(BIND, ("Type = %d\n", pNicInfo->Details.Type));
IPX_DEBUG(BIND, ("NetworkNumber = %d\n", pNicInfo->Details.NetworkNumber));
IPX_DEBUG(BIND, ("BindingSet = %d\n", pNicInfo->Details.BindingSet));
IPX_DEBUG(BIND, ("LocalNode = %x-%x-%x-%x-%x-%x\n", pNicInfo->Details.Node[0],
pNicInfo->Details.Node[1],
pNicInfo->Details.Node[2],
pNicInfo->Details.Node[3],
pNicInfo->Details.Node[4],
pNicInfo->Details.Node[5]));
IPX_DEBUG(BIND, ("RemoteNode = %x-%x-%x-%x-%x-%x\n", pNicInfo->RemoteNodeAddress[0],
pNicInfo->RemoteNodeAddress[1],
pNicInfo->RemoteNodeAddress[2],
pNicInfo->RemoteNodeAddress[3],
pNicInfo->RemoteNodeAddress[4],
pNicInfo->RemoteNodeAddress[5]));
//IPX_DEBUG(BIND, ("AdadpterName = %ws\n", pNicInfo->Details.AdapterName));
#endif
pNicInfo++; //increment to store next nic info
n++; //indicates the # of nics processed so far.
Binding->fInfoIndicated = TRUE;
Binding->PastAutoDetection = ROUTER_INFORMED_OF_NIC_CREATION;
IPX_DEBUG(BIND, ("Iteration no = (%d) complete : reporting NicId:(%lx)\n", n, Binding->NicId));
}
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
}
CTEFreeLock (&Device->Lock, LockHandle);
pNics->NoOfNics = n;
pNics->TotalNoOfNics = Device->ValidBindings - NoOfNullNics;
//
// If no nics. to report, queue the request
//
if (!n) {
IPX_DEBUG(BIND, ("GetNewNicInfo: Inserting Irp\n"));
CTEGetLock (&Device->Lock, &LockHandle);
InsertTailList( &Device->NicNtfQueue, REQUEST_LINKAGE(Request) );
if (!OldIrp)
{
IoSetCancelRoutine (Request, IpxCancelAction);
}
if (Request->Cancel &&
IoSetCancelRoutine(Request, (PDRIVER_CANCEL)NULL)) {
IPX_DEBUG(BIND, ("GetNewNicInfo:Cancelling Irp\n"));
(VOID)RemoveTailList (&Device->NicNtfQueue);
CTEFreeLock (&Device->Lock, LockHandle);
Status = STATUS_CANCELLED;
} else {
if (!OldIrp)
{
IpxReferenceDevice (Device, DREF_NIC_NOTIFY);
}
Status = STATUS_PENDING;
CTEFreeLock (&Device->Lock, LockHandle);
}
}
else
{
IPX_DEBUG(BIND, ("Reporting (%d) nics\n", n));
}
return(Status);
}
VOID
IpxAbortNtfChanges(
IN PVOID ControlChannelContext
)
/*++
Routine Description:
This routine aborts any line change IRPs posted by the
control channel with the specified open context. It is
called when a control channel is being shut down.
Arguments:
ControlChannelContext - The context assigned to the control
channel when it was opened.
Return Value:
none.
--*/
{
PDEVICE Device = IpxDevice;
CTELockHandle LockHandle;
LIST_ENTRY AbortList;
PLIST_ENTRY p;
PREQUEST Request;
KIRQL irql;
InitializeListHead (&AbortList);
IoAcquireCancelSpinLock( &irql );
CTEGetLock (&Device->Lock, &LockHandle);
p = Device->NicNtfQueue.Flink;
while (p != &Device->NicNtfQueue) {
LARGE_INTEGER ControlChId;
Request = LIST_ENTRY_TO_REQUEST(p);
CCID_FROM_REQUEST(ControlChId, Request);
IPX_DEBUG(BIND, ("IpxAbortNtfChange: There is at least one IRP in the queue\n"));
p = p->Flink;
if (ControlChId.QuadPart == ((PLARGE_INTEGER)ControlChannelContext)->QuadPart) {
IPX_DEBUG(BIND, ("IpxAbortNtfChanges: Dequeing an Irp\n"));
RemoveEntryList (REQUEST_LINKAGE(Request));
InsertTailList (&AbortList, REQUEST_LINKAGE(Request));
}
}
while (!IsListEmpty (&AbortList)) {
p = RemoveHeadList (&AbortList);
Request = LIST_ENTRY_TO_REQUEST(p);
IPX_DEBUG(ACTION, ("Aborting line change %lx\n", Request));
IoSetCancelRoutine (Request, (PDRIVER_CANCEL)NULL);
REQUEST_INFORMATION(Request) = 0;
REQUEST_STATUS(Request) = STATUS_CANCELLED;
CTEFreeLock(&Device->Lock, LockHandle);
IoReleaseCancelSpinLock( irql );
IPX_DEBUG(BIND, ("IpxAbortNtfChanges: Cancelling the dequeued Irp\n"));
IpxCompleteRequest (Request);
IpxFreeRequest(Device, Request);
IpxDereferenceDevice (Device, DREF_NIC_NOTIFY);
IoAcquireCancelSpinLock( &irql );
CTEGetLock(&Device->Lock, &LockHandle);
}
CTEFreeLock(&Device->Lock, LockHandle);
IoReleaseCancelSpinLock( irql );
} /* IpxAbortNtfChanges */
NTSTATUS
IpxIndicateLineUp(
IN PDEVICE Device,
IN USHORT NicId,
IN ULONG Network,
IN UCHAR LocalNode[6],
IN UCHAR RemoteNode[6]
)
/*++
Routine Description:
This routine indicates a line-up to all the concerned clients once
the line is up.
For now, called only if the MIPX_IPXWAN_CONFIG_DONE IOCTL is received.
Arguments:
Device - The device for the operation.
NicId - The NicId corresponding to the binding that is up.
Network, LocalNode, RemoteNode - addresses corresponding to this lineup.
Return Value:
NTSTATUS - status of operation.
--*/
{
PBINDING Binding = NIC_ID_TO_BINDING(Device, NicId);
IPX_LINE_INFO LineInfo;
USHORT i;
PLIST_ENTRY p;
PREQUEST Request;
PNDIS_BUFFER NdisBuffer;
PNWLINK_ACTION NwlinkAction;
UINT BufferLength;
PIPX_ADDRESS_DATA IpxAddressData;
IPXCP_CONFIGURATION Configuration;
KIRQL irql, OldIrq;
NTSTATUS Status;
NTSTATUS ntStatus;
KIRQL OldIrql;
IPX_DEFINE_LOCK_HANDLE (LockHandle)
if (!(Binding &&
Binding->Adapter->MacInfo.MediumAsync &&
Binding->LineUp == LINE_CONFIG)) {
IPX_DEBUG(WAN, ("Indicate line up on invalid line: %lu\n", NicId));
return STATUS_INVALID_PARAMETER;
}
// take bindaccesslock here...
//
//
// If we are here, then this flag was set on a line up.
// We turn it off now so that the adapter dll above us can decide
// to indicate this lineup to the router module instead of the IpxWan module
//
CTEAssert(Binding->IpxwanConfigRequired);
Binding->IpxwanConfigRequired = 0;
Binding->LineUp = LINE_UP;
//
// Indicate to the upper drivers.
//
LineInfo.LinkSpeed = Binding->MediumSpeed;
LineInfo.MaximumPacketSize = Binding->MaxSendPacketSize - 14;
LineInfo.MaximumSendSize = Binding->MaxSendPacketSize - 14;
LineInfo.MacOptions = Binding->Adapter->MacInfo.MacOptions;
//
// Fill-in the addresses into the bindings
//
Binding->LocalAddress.NetworkAddress = Network;
*(UNALIGNED ULONG *)Binding->LocalAddress.NodeAddress = *(UNALIGNED ULONG *)LocalNode;
*(UNALIGNED ULONG *)(Binding->LocalAddress.NodeAddress+4) = *(UNALIGNED ULONG *)(LocalNode+4);
*(UNALIGNED ULONG *)Binding->WanRemoteNode = *(UNALIGNED ULONG *)RemoteNode;
*(UNALIGNED ULONG *)(Binding->WanRemoteNode+4) = *(UNALIGNED ULONG *)(RemoteNode+4);
//
// Fill in the IPXCP_CONFIGURATION structure from the binding.
//
*(UNALIGNED ULONG *)Configuration.Network = Binding->LocalAddress.NetworkAddress;
*(UNALIGNED ULONG *)Configuration.LocalNode = *(UNALIGNED ULONG *)Binding->LocalAddress.NodeAddress;
*(UNALIGNED USHORT *)(Configuration.LocalNode+4) = *(UNALIGNED USHORT *)(Binding->LocalAddress.NodeAddress+4);
*(UNALIGNED ULONG *)Configuration.RemoteNode = *(UNALIGNED ULONG *)RemoteNode;
*(UNALIGNED USHORT *)(Configuration.RemoteNode+4) = *(UNALIGNED USHORT *)(RemoteNode+4);
Configuration.InterfaceIndex = Binding->InterfaceIndex;
Configuration.ConnectionClient = Binding->DialOutAsync;
//
// We dont give lineups; instead indicate only if the PnP reserved address
// changed to SPX. NB gets all PnP indications with the reserved address case
// marked out.
//
{
IPX_PNP_INFO NBPnPInfo;
if ((!Device->MultiCardZeroVirtual) || (Binding->NicId == 1)) {
//
// NB's reserved address changed.
//
NBPnPInfo.NewReservedAddress = TRUE;
if (!Device->VirtualNetwork) {
//
// Let SPX know because it fills in its own headers.
//
if (Device->UpperDriverBound[IDENTIFIER_SPX]) {
IPX_DEFINE_LOCK_HANDLE(LockHandle1)
IPX_PNP_INFO IpxPnPInfo;
IpxPnPInfo.NewReservedAddress = TRUE;
IpxPnPInfo.NetworkAddress = Binding->LocalAddress.NetworkAddress;
IpxPnPInfo.FirstORLastDevice = FALSE;
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
RtlCopyMemory(IpxPnPInfo.NodeAddress, Binding->LocalAddress.NodeAddress, 6);
NIC_HANDLE_FROM_NIC(IpxPnPInfo.NicHandle, Binding->NicId);
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
//
// give the PnP indication
//
(*Device->UpperDrivers[IDENTIFIER_SPX].PnPHandler) (
IPX_PNP_ADDRESS_CHANGE,
&IpxPnPInfo);
IPX_DEBUG(AUTO_DETECT, ("IPX_PNP_ADDRESS_CHANGED to SPX: net addr: %lx\n", Binding->LocalAddress.NetworkAddress));
}
}
} else {
NBPnPInfo.NewReservedAddress = FALSE;
}
if (Device->UpperDriverBound[IDENTIFIER_NB]) {
IPX_DEFINE_LOCK_HANDLE(LockHandle1)
Binding->IsnInformed[IDENTIFIER_NB] = TRUE;
NBPnPInfo.LineInfo.LinkSpeed = Device->LinkSpeed;
NBPnPInfo.LineInfo.MaximumPacketSize =
Device->Information.MaximumLookaheadData + sizeof(IPX_HEADER);
NBPnPInfo.LineInfo.MaximumSendSize =
Device->Information.MaxDatagramSize + sizeof(IPX_HEADER);
NBPnPInfo.LineInfo.MacOptions = Device->MacOptions;
NBPnPInfo.NetworkAddress = Binding->LocalAddress.NetworkAddress;
NBPnPInfo.FirstORLastDevice = FALSE;
IPX_GET_LOCK1(&Device->BindAccessLock, &LockHandle1);
RtlCopyMemory(NBPnPInfo.NodeAddress, Binding->LocalAddress.NodeAddress, 6);
NIC_HANDLE_FROM_NIC(NBPnPInfo.NicHandle, Binding->NicId);
IPX_FREE_LOCK1(&Device->BindAccessLock, LockHandle1);
//
// give the PnP indication
//
(*Device->UpperDrivers[IDENTIFIER_NB].PnPHandler) (
IPX_PNP_ADD_DEVICE,
&NBPnPInfo);
IPX_DEBUG(AUTO_DETECT, ("IPX_PNP_ADD_DEVICE (lineup) to NB: net addr: %lx\n", Binding->LocalAddress.NetworkAddress));
}
//
// Register this address with the TDI clients.
//
RtlCopyMemory (Device->TdiRegistrationAddress->Address, &Binding->LocalAddress, sizeof(TDI_ADDRESS_IPX));
if ((ntStatus = TdiRegisterNetAddress(
Device->TdiRegistrationAddress,
#if defined(_PNP_POWER_)
&IpxDeviceName,
NULL,
#endif _PNP_POWER_
&Binding->TdiRegistrationHandle)) != STATUS_SUCCESS) {
IPX_DEBUG(PNP, ("TdiRegisterNetAddress failed: %lx", ntStatus));
}
}
//
// Indicate to the upper drivers.
//
//
// Give line up to RIP as it is not PnP aware.
//
if (Device->UpperDriverBound[IDENTIFIER_RIP]) {
Binding->IsnInformed[IDENTIFIER_RIP] = TRUE;
(*Device->UpperDrivers[IDENTIFIER_RIP].LineUpHandler)(
Binding->NicId,
&LineInfo,
NdisMediumWan,
&Configuration);
}
//
// Add router entry for this net since it was not done on LineUp.
// Also, update the addresses' pre-constructed local IPX address.
//
{
ULONG CurrentHash;
PADAPTER Adapter = Binding->Adapter;
PADDRESS Address;
//
// Add a router entry for this net if there is no router.
// We want the number of ticks for a 576-byte frame,
// given the link speed in 100 bps units, so we calculate
// as:
//
// seconds 18.21 ticks 4608 bits
// --------------------- * ----------- * ---------
// link_speed * 100 bits second frame
//
// to get the formula
//
// ticks/frame = 839 / link_speed.
//
// We add link_speed to the numerator also to ensure
// that the value is at least 1.
//
if ((!Device->UpperDriverBound[IDENTIFIER_RIP]) &&
(*(UNALIGNED ULONG *)Configuration.Network != 0)) {
if (RipInsertLocalNetwork(
*(UNALIGNED ULONG *)Configuration.Network,
Binding->NicId,
Adapter->NdisBindingHandle,
(USHORT)((839 + Binding->MediumSpeed) / Binding->MediumSpeed)) != STATUS_SUCCESS) {
//
// This means we couldn't allocate memory, or
// the entry already existed. If it already
// exists we can ignore it for the moment.
//
// Now it will succeed if the network exists.
//
IPX_DEBUG (WAN, ("Line up, could not insert local network\n"));
// [FW] Binding->LineUp = FALSE;
Binding->LineUp = LINE_DOWN;
return STATUS_SUCCESS;
}
}
//
// Update the device node and all the address
// nodes if we have only one bound, or this is
// binding one.
//
if (!Device->VirtualNetwork) {
if ((!Device->MultiCardZeroVirtual) || (Binding->NicId == 1)) {
Device->SourceAddress.NetworkAddress = *(UNALIGNED ULONG *)(Configuration.Network);
RtlCopyMemory (Device->SourceAddress.NodeAddress, Configuration.LocalNode, 6);
}
//
// Scan through all the addresses that exist and modify
// their pre-constructed local IPX address to reflect
// the new local net and node.
//
IPX_GET_LOCK (&Device->Lock, &LockHandle);
for (CurrentHash = 0; CurrentHash < IPX_ADDRESS_HASH_COUNT; CurrentHash++) {
for (p = Device->AddressDatabases[CurrentHash].Flink;
p != &Device->AddressDatabases[CurrentHash];
p = p->Flink) {
Address = CONTAINING_RECORD (p, ADDRESS, Linkage);
Address->LocalAddress.NetworkAddress = *(UNALIGNED ULONG *)Configuration.Network;
RtlCopyMemory (Address->LocalAddress.NodeAddress, Configuration.LocalNode, 6);
}
}
IPX_FREE_LOCK (&Device->Lock, LockHandle);
}
}
//
// [FW] IpxWan config state will not be entered if only the line params are getting
// updated.
//
// if (!UpdateLineUp) {
//
// Instead of the check for ConnectionClient, use the DialOutAsync flag
//
if ((Device->SingleNetworkActive) &&
/*(LineUp->Configuration.ConnectionClient == 1)*/
Binding->DialOutAsync) {
//
// Drop all entries in the database if rip is not bound.
//
if (!Device->UpperDriverBound[IDENTIFIER_RIP]) {
RipDropRemoteEntries();
}
Device->ActiveNetworkWan = TRUE;
//
// Find a queued line change and complete it.
//
if ((p = ExInterlockedRemoveHeadList(
&Device->LineChangeQueue,
&Device->Lock)) != NULL) {
Request = LIST_ENTRY_TO_REQUEST(p);
IoAcquireCancelSpinLock( &irql );
IoSetCancelRoutine (Request, (PDRIVER_CANCEL)NULL);
IoReleaseCancelSpinLock( irql );
REQUEST_STATUS(Request) = STATUS_SUCCESS;
//
// NwRdr assumes that Line-up completions are at DPC
//
KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
IpxCompleteRequest (Request);
KeLowerIrql(OldIrql);
IpxFreeRequest (Device, Request);
IpxDereferenceDevice (Device, DREF_LINE_CHANGE);
}
}
//
// If we have a virtual net, do a broadcast now so
// the router on the other end will know about us.
//
// Use RipSendResponse, and do it even
// if SingleNetworkActive is FALSE??
//
if (Device->RipResponder && Binding->DialOutAsync) {
(VOID)RipQueueRequest (Device->VirtualNetworkNumber, RIP_RESPONSE);
}
//
// Find a queued address notify and complete it.
// If WanGlobalNetworkNumber is TRUE, we only do
// this when the first dialin line comes up.
//
if ((!Device->WanGlobalNetworkNumber ||
(!Device->GlobalNetworkIndicated && !Binding->DialOutAsync))
&&
((p = ExInterlockedRemoveHeadList(
&Device->AddressNotifyQueue,
&Device->Lock)) != NULL)) {
if (Device->WanGlobalNetworkNumber) {
Device->GlobalWanNetwork = Binding->LocalAddress.NetworkAddress;
Device->GlobalNetworkIndicated = TRUE;
}
Request = LIST_ENTRY_TO_REQUEST(p);
NdisBuffer = REQUEST_NDIS_BUFFER(Request);
NdisQueryBufferSafe (REQUEST_NDIS_BUFFER(Request), (PVOID *)&NwlinkAction, &BufferLength, HighPagePriority);
if (NwlinkAction == NULL) {
return STATUS_INSUFFICIENT_RESOURCES;
}
IpxAddressData = (PIPX_ADDRESS_DATA)(NwlinkAction->Data);
if (Device->WanGlobalNetworkNumber) {
IpxAddressData->adapternum = Device->SapNicCount - 1;
} else {
IpxAddressData->adapternum = Binding->NicId - 1;
}
*(UNALIGNED ULONG *)IpxAddressData->netnum = Binding->LocalAddress.NetworkAddress;
RtlCopyMemory(IpxAddressData->nodenum, Binding->LocalAddress.NodeAddress, 6);
IpxAddressData->wan = TRUE;
IpxAddressData->status = TRUE;
IpxAddressData->maxpkt = Binding->AnnouncedMaxDatagramSize; // Use real?
IpxAddressData->linkspeed = Binding->MediumSpeed;
IoAcquireCancelSpinLock( &irql );
IoSetCancelRoutine (Request, (PDRIVER_CANCEL)NULL);
IoReleaseCancelSpinLock( irql );
REQUEST_STATUS(Request) = STATUS_SUCCESS;
IpxCompleteRequest (Request);
IpxFreeRequest (Device, Request);
IpxDereferenceDevice (Device, DREF_ADDRESS_NOTIFY);
}
Binding->fInfoIndicated = FALSE;
if ((p = ExInterlockedRemoveHeadList(
&Device->NicNtfQueue,
&Device->Lock)) != NULL)
{
Request = LIST_ENTRY_TO_REQUEST(p);
IPX_DEBUG(BIND, ("IpxStatus: WAN LINE UP\n"));
Status = GetNewNics(Device, Request, FALSE, NULL, 0, TRUE);
if (Status == STATUS_PENDING)
{
IPX_DEBUG(BIND, ("WANLineUp may not be responding properly\n"));
}
else
{
IoAcquireCancelSpinLock(&OldIrq);
IoSetCancelRoutine (Request, (PDRIVER_CANCEL)NULL);
IoReleaseCancelSpinLock(OldIrq);
REQUEST_STATUS(Request) = Status;
IpxCompleteRequest (Request);
IpxFreeRequest (Device, Request);
IpxDereferenceDevice (Device, DREF_NIC_NOTIFY);
}
}
// }
return STATUS_SUCCESS;
}
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