ReactOS  0.4.14-dev-297-g23e575c
interface.h File Reference
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Macros

#define IFENT_SOFTWARE_LOOPBACK   24 /* This is an SNMP constant from rfc1213 */
 

Functions

NTSTATUS GetInterfaceIPv4Address (PIP_INTERFACE Interface, ULONG Type, PULONG Address)
 
UINT CountInterfaces (VOID)
 
UINT CountInterfaceAddresses (PIP_INTERFACE Interface)
 
NTSTATUS GetInterfaceSpeed (PIP_INTERFACE Interface, PUINT Speed)
 
NTSTATUS GetInterfaceName (PIP_INTERFACE Interface, PCHAR NameBuffer, UINT NameMaxLen)
 
VOID GetInterfaceConnectionStatus (PIP_INTERFACE Interface, PULONG OperStatus)
 
PIP_INTERFACE FindOnLinkInterface (PIP_ADDRESS Address)
 
PIP_INTERFACE GetDefaultInterface (VOID)
 

Macro Definition Documentation

◆ IFENT_SOFTWARE_LOOPBACK

#define IFENT_SOFTWARE_LOOPBACK   24 /* This is an SNMP constant from rfc1213 */

Definition at line 3 of file interface.h.

Function Documentation

◆ CountInterfaceAddresses()

UINT CountInterfaceAddresses ( PIP_INTERFACE  Interface)

◆ CountInterfaces()

UINT CountInterfaces ( VOID  )

◆ FindOnLinkInterface()

PIP_INTERFACE FindOnLinkInterface ( PIP_ADDRESS  Address)

Definition at line 221 of file interface.c.

229 {
230  KIRQL OldIrql;
231  IF_LIST_ITER(CurrentIF);
232 
233  TI_DbgPrint(DEBUG_ROUTER, ("Called. Address (0x%X)\n", Address));
234  TI_DbgPrint(DEBUG_ROUTER, ("Address (%s)\n", A2S(Address)));
235 
237  return GetDefaultInterface();
238 
240 
241  ForEachInterface(CurrentIF) {
242  if (HasPrefix(Address, &CurrentIF->Unicast,
243  AddrCountPrefixBits(&CurrentIF->Netmask))) {
245  return CurrentIF;
246  }
247  } EndFor(CurrentIF);
248 
250 
251  return NULL;
252 }
BOOLEAN AddrIsUnspecified(PIP_ADDRESS Address)
Definition: address.c:113
#define TI_DbgPrint(_t_, _x_)
Definition: debug.h:45
KSPIN_LOCK InterfaceListLock
Definition: ip.c:18
BOOLEAN HasPrefix(PIP_ADDRESS Address, PIP_ADDRESS Prefix, UINT Length)
Definition: interface.c:111
#define IF_LIST_ITER(n)
Definition: tilists.h:5
VOID TcpipReleaseSpinLock(PKSPIN_LOCK SpinLock, KIRQL Irql)
Definition: lock.c:26
VOID TcpipAcquireSpinLock(PKSPIN_LOCK SpinLock, PKIRQL Irql)
Definition: lock.c:18
UCHAR KIRQL
Definition: env_spec_w32.h:591
smooth NULL
Definition: ftsmooth.c:416
#define ForEachInterface(n)
Definition: tilists.h:9
static WCHAR Address[46]
Definition: ping.c:68
PIP_INTERFACE GetDefaultInterface(VOID)
Definition: interface.c:156
_Requires_lock_held_ Interrupt _Releases_lock_ Interrupt _In_ _IRQL_restores_ KIRQL OldIrql
Definition: kefuncs.h:803
UINT AddrCountPrefixBits(PIP_ADDRESS Netmask)
Definition: address.c:64
#define EndFor(n)
Definition: tilists.h:20
#define DEBUG_ROUTER
Definition: debug.h:30
PCHAR A2S(PIP_ADDRESS Address)
Definition: address.c:17

Referenced by RouteGetRouteToDestination().

◆ GetDefaultInterface()

PIP_INTERFACE GetDefaultInterface ( VOID  )

Definition at line 156 of file interface.c.

157 {
158  KIRQL OldIrql;
159  ULONG Index = 0;
160  ULONG IfStatus;
161 
162  IF_LIST_ITER(CurrentIF);
163 
165  /* DHCP hack: Always return the adapter without an IP address */
166  ForEachInterface(CurrentIF) {
167  if (CurrentIF->Context && AddrIsUnspecified(&CurrentIF->Unicast)) {
169 
170  GetInterfaceConnectionStatus(CurrentIF, &IfStatus);
171  if (IfStatus == MIB_IF_OPER_STATUS_OPERATIONAL) {
172  return CurrentIF;
173  }
174 
176  }
177  } EndFor(CurrentIF);
178 
179  /* Try to continue from the next adapter */
180  ForEachInterface(CurrentIF) {
181  if (CurrentIF->Context && (Index++ == NextDefaultAdapter)) {
183 
184  GetInterfaceConnectionStatus(CurrentIF, &IfStatus);
185  if (IfStatus == MIB_IF_OPER_STATUS_OPERATIONAL) {
187  return CurrentIF;
188  }
189 
191  }
192  } EndFor(CurrentIF);
193 
194  /* No luck, so we'll choose the first adapter this time */
195  Index = 0;
196  ForEachInterface(CurrentIF) {
197  if (CurrentIF->Context) {
198  Index++;
200 
201  GetInterfaceConnectionStatus(CurrentIF, &IfStatus);
202  if (IfStatus == MIB_IF_OPER_STATUS_OPERATIONAL) {
204  return CurrentIF;
205  }
206 
208  }
209  } EndFor(CurrentIF);
210 
211  /* Even that didn't work, so we'll just go with loopback */
212  NextDefaultAdapter = 0;
214 
215  /* There are no physical interfaces on the system
216  * so we must pick the loopback interface */
217 
218  return Loopback;
219 }
BOOLEAN AddrIsUnspecified(PIP_ADDRESS Address)
Definition: address.c:113
KSPIN_LOCK InterfaceListLock
Definition: ip.c:18
#define IF_LIST_ITER(n)
Definition: tilists.h:5
VOID TcpipReleaseSpinLock(PKSPIN_LOCK SpinLock, KIRQL Irql)
Definition: lock.c:26
VOID TcpipAcquireSpinLock(PKSPIN_LOCK SpinLock, PKIRQL Irql)
Definition: lock.c:18
PIP_INTERFACE Loopback
Definition: loopback.c:13
VOID GetInterfaceConnectionStatus(PIP_INTERFACE Interface, PULONG Result)
Definition: interface.c:254
UCHAR KIRQL
Definition: env_spec_w32.h:591
#define ForEachInterface(n)
Definition: tilists.h:9
static const UCHAR Index[8]
Definition: usbohci.c:18
_Requires_lock_held_ Interrupt _Releases_lock_ Interrupt _In_ _IRQL_restores_ KIRQL OldIrql
Definition: kefuncs.h:803
#define EndFor(n)
Definition: tilists.h:20
unsigned int ULONG
Definition: retypes.h:1
#define MIB_IF_OPER_STATUS_OPERATIONAL
Definition: ipifcons.h:251
ULONG NextDefaultAdapter
Definition: interface.c:17

Referenced by DispTdiQueryIpHwAddress(), FindOnLinkInterface(), and NBLocateNeighbor().

◆ GetInterfaceConnectionStatus()

VOID GetInterfaceConnectionStatus ( PIP_INTERFACE  Interface,
PULONG  OperStatus 
)

Definition at line 254 of file interface.c.

255 {
256  PLAN_ADAPTER Adapter = Interface->Context;
257 
258  /* Loopback has no adapter context */
259  if (Adapter == NULL || Adapter->State == LAN_STATE_STARTED) {
261  }
262  else {
264  }
265 }
PVOID Context
Definition: lan.h:64
#define MIB_IF_OPER_STATUS_DISCONNECTED
Definition: ipifcons.h:248
smooth NULL
Definition: ftsmooth.c:416
_At_(*)(_In_ PWSK_CLIENT Client, _In_opt_ PUNICODE_STRING NodeName, _In_opt_ PUNICODE_STRING ServiceName, _In_opt_ ULONG NameSpace, _In_opt_ GUID *Provider, _In_opt_ PADDRINFOEXW Hints, _Outptr_ PADDRINFOEXW *Result, _In_opt_ PEPROCESS OwningProcess, _In_opt_ PETHREAD OwningThread, _Inout_ PIRP Irp Result)(Mem)) NTSTATUS(WSKAPI *PFN_WSK_GET_ADDRESS_INFO
Definition: wsk.h:426
IN PVOID IN PVOID IN USHORT IN USHORT IN PINTERFACE Interface
Definition: pci.h:359
UCHAR State
Definition: lan.h:62
#define LAN_STATE_STARTED
Definition: lan.h:113
#define MIB_IF_OPER_STATUS_OPERATIONAL
Definition: ipifcons.h:251

Referenced by GetDefaultInterface(), InfoTdiQueryGetInterfaceMIB(), and TCPUpdateInterfaceLinkStatus().

◆ GetInterfaceIPv4Address()

NTSTATUS GetInterfaceIPv4Address ( PIP_INTERFACE  Interface,
ULONG  Type,
PULONG  Address 
)

Definition at line 19 of file interface.c.

21  {
22  switch( TargetType ) {
23  case ADE_UNICAST:
24  *Address = Interface->Unicast.Address.IPv4Address;
25  break;
26 
27  case ADE_ADDRMASK:
28  *Address = Interface->Netmask.Address.IPv4Address;
29  break;
30 
31  case ADE_BROADCAST:
32  *Address = Interface->Broadcast.Address.IPv4Address;
33  break;
34 
35  case ADE_POINTOPOINT:
36  *Address = Interface->PointToPoint.Address.IPv4Address;
37  break;
38 
39  default:
40  return STATUS_UNSUCCESSFUL;
41  }
42 
43  return STATUS_SUCCESS;
44 }
#define ADE_BROADCAST
Definition: ip.h:111
#define ADE_POINTOPOINT
Definition: ip.h:113
static WCHAR Address[46]
Definition: ping.c:68
IN PVOID IN PVOID IN USHORT IN USHORT IN PINTERFACE Interface
Definition: pci.h:359
#define STATUS_UNSUCCESSFUL
Definition: udferr_usr.h:132
#define ADE_ADDRMASK
Definition: ip.h:112
#define ADE_UNICAST
Definition: ip.h:110
return STATUS_SUCCESS
Definition: btrfs.c:2966

Referenced by InfoTdiQueryGetAddrTable(), and TCPUpdateInterfaceIPInformation().

◆ GetInterfaceName()

NTSTATUS GetInterfaceName ( PIP_INTERFACE  Interface,
PCHAR  NameBuffer,
UINT  NameMaxLen 
)

Definition at line 70 of file interface.c.

72  {
73  ULONG ResultSize = 0;
75  RtlUnicodeToMultiByteN( NameBuffer,
76  Len,
77  &ResultSize,
78  Interface->Name.Buffer,
79  Interface->Name.Length );
80 
81  if( NT_SUCCESS(Status) )
82  NameBuffer[ResultSize] = 0;
83  else
84  NameBuffer[0] = 0;
85 
86  return Status;
87 }
LONG NTSTATUS
Definition: precomp.h:26
IN PVOID IN PVOID IN USHORT IN USHORT IN PINTERFACE Interface
Definition: pci.h:359
#define NT_SUCCESS(StatCode)
Definition: apphelp.c:32
#define Len
Definition: deflate.h:82
NTSYSAPI NTSTATUS NTAPI RtlUnicodeToMultiByteN(PCHAR MbString, ULONG MbSize, PULONG ResultSize, PCWCH UnicodeString, ULONG UnicodeSize)
Status
Definition: gdiplustypes.h:24
unsigned int ULONG
Definition: retypes.h:1

◆ GetInterfaceSpeed()

NTSTATUS GetInterfaceSpeed ( PIP_INTERFACE  Interface,
PUINT  Speed 
)

Definition at line 62 of file interface.c.

62  {
64 
65  *Speed = IF->Speed;
66 
67  return STATUS_SUCCESS;
68 }
PVOID Context
Definition: lan.h:64
UINT Speed
Definition: lan.h:79
IN PVOID IN PVOID IN USHORT IN USHORT IN PINTERFACE Interface
Definition: pci.h:359
struct LAN_ADAPTER * PLAN_ADAPTER
return STATUS_SUCCESS
Definition: btrfs.c:2966

Referenced by InfoTdiQueryGetInterfaceMIB().