X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Modules%2FIPStack%2Finterface.c;h=fc7db9038c8cfd1da8439969871d87ca3ee6fa12;hb=9d85201216cb35e1b1e051b1d7cdc38eaa5befa4;hp=445e5892f9f112266c47ab57b40eed765644fa01;hpb=94ecc5441605ad5151e625457531e7f90470db31;p=tpg%2Facess2.git

diff --git a/Modules/IPStack/interface.c b/Modules/IPStack/interface.c
index 445e5892..fc7db903 100644
--- a/Modules/IPStack/interface.c
+++ b/Modules/IPStack/interface.c
@@ -23,8 +23,8 @@ char	*IPStack_Root_ReadDir(tVFS_Node *Node, int Pos);
 tVFS_Node	*IPStack_Root_FindDir(tVFS_Node *Node, const char *Name);
  int	IPStack_Root_IOCtl(tVFS_Node *Node, int ID, void *Data);
 
- int	IPStack_AddInterface(const char *Device, const char *Name);
  int	IPStack_AddFile(tSocketFile *File);
+tInterface	*IPStack_AddInterface(const char *Device, const char *Name);
 tAdapter	*IPStack_GetAdapter(const char *Path);
 
 char	*IPStack_Iface_ReadDir(tVFS_Node *Node, int Pos);
@@ -52,6 +52,11 @@ tInterface	*gIP_Interfaces = NULL;
 tInterface	*gIP_Interfaces_Last = NULL;
 
 tSocketFile	*gIP_FileTemplates;
+
+tAdapter	gIP_LoopAdapter = {
+	DeviceLen: 8,
+	Device: "LOOPBACK"
+	};
 tMutex	glIP_Adapters;
 tAdapter	*gIP_Adapters = NULL;
  int	giIP_NextIfaceId = 1;
@@ -187,34 +192,19 @@ int IPStack_Root_IOCtl(tVFS_Node *Node, int ID, void *Data)
 	switch(ID)
 	{
 	// --- Standard IOCtls (0-3) ---
-	case DRV_IOCTL_TYPE:
-		LEAVE('i', DRV_TYPE_MISC);
-		return DRV_TYPE_MISC;
-	
-	case DRV_IOCTL_IDENT:
-		tmp = ModUtil_SetIdent(Data, "IPStack");
-		LEAVE('i', 1);
-		return 1;
-	
-	case DRV_IOCTL_VERSION:
-		LEAVE('x', VERSION);
-		return VERSION;
-	
-	case DRV_IOCTL_LOOKUP:
-		tmp = ModUtil_LookupString( (char**)casIOCtls_Root, (char*)Data );
-		LEAVE('i', tmp);
-		return tmp;
+	BASE_IOCTLS(DRV_TYPE_MISC, "IPStack", VERSION, casIOCtls_Root)
 		
-		/*
-		 * add_interface
-		 * - Adds a new IP interface and binds it to a device
-		 */
+	/*
+	 * add_interface
+	 * - Adds a new IP interface and binds it to a device
+	 */
 	case 4:
 		if( Threads_GetUID() != 0 )	LEAVE_RET('i', -1);
 		if( !CheckString( Data ) )	LEAVE_RET('i', -1);
 		{
 			char	name[4] = "";
-			tmp = IPStack_AddInterface(Data, name);
+			tInterface	*iface = IPStack_AddInterface(Data, name);
+			tmp = iface->Node.ImplInt;
 		}
 		LEAVE_RET('i', tmp);
 	}
@@ -223,10 +213,10 @@ int IPStack_Root_IOCtl(tVFS_Node *Node, int ID, void *Data)
 }
 
 /**
- * \fn int IPStack_AddInterface(char *Device)
+ * \fn tInterface *IPStack_AddInterface(char *Device)
  * \brief Adds an interface to the list
  */
-int IPStack_AddInterface(const char *Device, const char *Name)
+tInterface *IPStack_AddInterface(const char *Device, const char *Name)
 {
 	tInterface	*iface;
 	tAdapter	*card;
@@ -236,8 +226,8 @@ int IPStack_AddInterface(const char *Device, const char *Name)
 	
 	card = IPStack_GetAdapter(Device);
 	if( !card ) {
-		LEAVE('i', -1);
-		return -1;	// ERR_YOURBAD
+		LEAVE('n');
+		return NULL;	// ERR_YOURBAD
 	}
 	
 	nameLen = sprintf(NULL, "%i", giIP_NextIfaceId);
@@ -245,16 +235,18 @@ int IPStack_AddInterface(const char *Device, const char *Name)
 	iface = malloc(
 		sizeof(tInterface)
 		+ nameLen + 1
-		+ IPStack_GetAddressSize(-1)
+		+ IPStack_GetAddressSize(-1)*3	// Address, Route->Network, Route->NextHop
 		);
 	if(!iface) {
-		LEAVE('i', -2);
-		return -2;	// Return ERR_MYBAD
+		LEAVE('n');
+		return NULL;	// Return ERR_MYBAD
 	}
 	
 	iface->Next = NULL;
 	iface->Type = 0;	// Unset type
 	iface->Address = iface->Name + nameLen + 1;	// Address
+	iface->Route.Network = iface->Address + IPStack_GetAddressSize(-1);
+	iface->Route.NextHop = iface->Route.Network + IPStack_GetAddressSize(-1);
 	
 	// Create Node
 	iface->Node.ImplPtr = iface;
@@ -277,8 +269,8 @@ int IPStack_AddInterface(const char *Device, const char *Name)
 	iface->Adapter = IPStack_GetAdapter(Device);
 	if( !iface->Adapter ) {
 		free( iface );
-		LEAVE('i', -1);
-		return -1;	// Return ERR_YOUFAIL
+		LEAVE('n');
+		return NULL;	// Return ERR_YOUFAIL
 	}
 	
 	// Delay setting ImplInt until after the adapter is opened
@@ -301,8 +293,8 @@ int IPStack_AddInterface(const char *Device, const char *Name)
 //	gIP_DriverInfo.RootNode.Size ++;
 	
 	// Success!
-	LEAVE('i', iface->Node.ImplInt);
-	return iface->Node.ImplInt;
+	LEAVE('p', iface);
+	return iface;
 }
 
 /**
@@ -376,23 +368,7 @@ int IPStack_Iface_IOCtl(tVFS_Node *Node, int ID, void *Data)
 	switch(ID)
 	{
 	// --- Standard IOCtls (0-3) ---
-	case DRV_IOCTL_TYPE:
-		LEAVE('i', DRV_TYPE_MISC);
-		return DRV_TYPE_MISC;
-	
-	case DRV_IOCTL_IDENT:
-		tmp = ModUtil_SetIdent(Data, STR(IDENT));
-		LEAVE('i', 1);
-		return 1;
-	
-	case DRV_IOCTL_VERSION:
-		LEAVE('x', VERSION);
-		return VERSION;
-	
-	case DRV_IOCTL_LOOKUP:
-		tmp = ModUtil_LookupString( (char**)casIOCtls_Iface, (char*)Data );
-		LEAVE('i', tmp);
-		return tmp;
+	BASE_IOCTLS(DRV_TYPE_MISC, "IPStack", VERSION, casIOCtls_Iface)
 	
 	/*
 	 * getset_type
@@ -531,6 +507,37 @@ tAdapter *IPStack_GetAdapter(const char *Path)
 	
 	ENTER("sPath", Path);
 	
+	// Check for loopback
+	if( strcmp(Path, "LOOPBACK") == 0 )
+	{
+		// Initialise if required
+		if( gIP_LoopAdapter.DeviceFD == 0 )
+		{
+			dev = &gIP_LoopAdapter;
+			
+			dev->NRef = 1;
+			dev->DeviceLen = 8;
+			
+			dev->DeviceFD = VFS_Open( "/Devices/fifo/anon", VFS_OPENFLAG_READ|VFS_OPENFLAG_WRITE );
+			if( dev->DeviceFD == -1 ) {
+				Log_Warning("IPStack", "Unable to open FIFO '/Devices/fifo/anon' for loopback");
+				return NULL;
+			}
+			
+			dev->MacAddr.B[0] = 'A';
+			dev->MacAddr.B[1] = 'c';
+			dev->MacAddr.B[2] = 'e';
+			dev->MacAddr.B[3] = 's';
+			dev->MacAddr.B[4] = 's';
+			dev->MacAddr.B[5] = '2';
+			
+			// Start watcher
+			Link_WatchDevice( dev );
+		}
+		LEAVE('p', &gIP_LoopAdapter);
+		return &gIP_LoopAdapter;
+	}
+	
 	Mutex_Acquire( &glIP_Adapters );
 	
 	// Check if this adapter is already open