X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Modules%2FIPStack%2Farp.c;h=1e5bb07389d760b427540499e1268b86376a3efa;hb=4f1a9b430a3fa57bbe52a6a2fe546f6fe93c389d;hp=476557e6f14cacd150793e2357b7507be20d68a0;hpb=41769c02317835472d7678d3531ecfc23df8e17a;p=tpg%2Facess2.git

diff --git a/Modules/IPStack/arp.c b/Modules/IPStack/arp.c
index 476557e6..1e5bb073 100644
--- a/Modules/IPStack/arp.c
+++ b/Modules/IPStack/arp.c
@@ -73,6 +73,7 @@ tMacAddr ARP_Resolve4(tInterface *Interface, tIPv4 Address)
 	 int	lastID;
 	 int	i;
 	struct sArpRequest4	req;
+	Sint64	timeout;
 	
 	ENTER("pInterface xAddress", Interface, Address);
 	
@@ -80,13 +81,12 @@ tMacAddr ARP_Resolve4(tInterface *Interface, tIPv4 Address)
 	if( IPStack_CompareAddress(4, &Address, Interface->Address, Interface->SubnetBits) == 0 )
 	{
 		tRoute	*route = IPStack_FindRoute(4, Interface, &Address);
-		if( route ) {
-			// If the next hop is defined, use it
-			// - 0.0.0.0 as the next hop means "no next hop / direct"
-			if( ((tIPv4*)route->NextHop)->L != 0 ) {
-				// Recursion: see /Recursion/
-				return ARP_Resolve4(Interface, *(tIPv4*)route->NextHop);
-			}
+		// If the next hop is defined, use it
+		// - 0.0.0.0 as the next hop means "no next hop / direct"
+		if( route && ((tIPv4*)route->NextHop)->L != 0 )
+		{
+			// Recursion: see /Recursion/
+			return ARP_Resolve4(Interface, *(tIPv4*)route->NextHop);
 		}
 	}
 	
@@ -129,10 +129,16 @@ tMacAddr ARP_Resolve4(tInterface *Interface, tIPv4 Address)
 	// Send Request
 	Link_SendPacket(Interface->Adapter, 0x0806, req.DestMac, sizeof(struct sArpRequest4), &req);
 	
+	timeout = now() + Interface->TimeoutDelay;
+	
 	// Wait for a reply
 	for(;;)
 	{
-		while(lastID == giARP_LastUpdateID)	Threads_Yield();
+		while(lastID == giARP_LastUpdateID && now() < timeout)
+			Threads_Yield();
+		
+		if( now() >= timeout )	break;	// Timeout
+		
 		lastID = giARP_LastUpdateID;
 		
 		Mutex_Acquire( &glARP_Cache4 );
@@ -145,6 +151,10 @@ tMacAddr ARP_Resolve4(tInterface *Interface, tIPv4 Address)
 		}
 		Mutex_Release( &glARP_Cache4 );
 	}
+	{
+		tMacAddr	ret = {{0,0,0,0,0,0}};
+		return ret;
+	}
 }
 
 /**
@@ -261,33 +271,25 @@ void ARP_int_GetPacket(tAdapter *Adapter, tMacAddr From, int Length, void *Buffe
 	}
 	#endif
 	
-	Log_Debug("ARP", "Request ID %i", ntohs(req4->Request));
-	
 	switch( ntohs(req4->Request) )
 	{
 	case 1:	// You want my IP?
-		Log_Debug("ARP", "ARP Request Address class %i", req4->SWSize);
 		// Check what type of IP it is
 		switch( req4->SWSize )
 		{
 		case 4:
-			Log_Debug("ARP", "From MAC %02x:%02x:%02x:%02x:%02x:%02x",
-				req4->SourceMac.B[0], req4->SourceMac.B[1],
-				req4->SourceMac.B[2], req4->SourceMac.B[3],
-				req4->SourceMac.B[4], req4->SourceMac.B[5]);
-			//Log_Debug("ARP", "to MAC %02x:%02x:%02x:%02x:%02x:%02x",
-			//	req4->DestMac.B[0], req4->DestMac.B[1],
-			//	req4->DestMac.B[2], req4->DestMac.B[3],
-			//	req4->DestMac.B[4], req4->DestMac.B[5]);
 			Log_Debug("ARP", "ARP Request IPv4 Address %i.%i.%i.%i from %i.%i.%i.%i",
 				req4->DestIP.B[0], req4->DestIP.B[1], req4->DestIP.B[2],
 				req4->DestIP.B[3],
 				req4->SourceIP.B[0], req4->SourceIP.B[1],
 				req4->SourceIP.B[2], req4->SourceIP.B[3]);
+			Log_Debug("ARP", " from MAC %02x:%02x:%02x:%02x:%02x:%02x",
+				req4->SourceMac.B[0], req4->SourceMac.B[1],
+				req4->SourceMac.B[2], req4->SourceMac.B[3],
+				req4->SourceMac.B[4], req4->SourceMac.B[5]);
 			iface = IPv4_GetInterface(Adapter, req4->DestIP, 0);
 			if( iface )
 			{
-				Log_Debug("ARP", "Caching sender's IP Address");
 				ARP_UpdateCache4(req4->SourceIP, req4->SourceMac);
 				
 				req4->DestIP = req4->SourceIP;