Multiple IPStack Related changes (and other bugfixes)

[tpg/acess2.git] / Modules / IPStack / interface.c

diff --git a/Modules/IPStack/interface.c b/Modules/IPStack/interface.c
index 445e589..c6f55ba 100644 (file)
--- a/Modules/IPStack/interface.c
+++ b/Modules/IPStack/interface.c
@@ -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;
@@ -531,6 +536,37 @@ 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