Fix bug in tap driver introduced during unused code purge (deleted the part that acknowledges writes!), and fix bug in EthernetTap causing 0000 for etherType. Windows works now! Yay!

ext/bin/tap-windows/x64/zttap200.inf

@@ -4,7 +4,7 @@ Class=Net
 ClassGuid={4d36e972-e325-11ce-bfc1-08002be10318}
 Provider=%Provider%
 CatalogFile=zttap200.cat
-DriverVer=01/22/2014,22.4.22.918
+DriverVer=01/23/2014,15.19.17.816
 
 [Strings]
 DeviceDescription = "ZeroTier One Virtual Network Port"

node/EthernetTap.cpp

@@ -1385,7 +1385,8 @@ void EthernetTap::put(const MAC &from,const MAC &to,unsigned int etherType,const
 		char *d = _injectPending.back().first.data;
 		memcpy(d,to.data,6);
 		memcpy(d + 6,from.data,6);
-		*((uint16_t *)(d + 12)) = Utils::hton(etherType);
+		d[12] = (char)((etherType >> 8) & 0xff);
+		d[13] = (char)(etherType & 0xff);
 		memcpy(d + 14,data,len);
 	}
 
@@ -1475,7 +1476,6 @@ void EthernetTap::threadMain()
 					MAC from(_tapReadBuf + 6);
 					unsigned int etherType = Utils::ntoh(*((const uint16_t *)(_tapReadBuf + 12)));
 					Buffer<4096> tmp(_tapReadBuf + 14,bytesRead - 14);
-					//printf("GOT FRAME: %u bytes: %s\r\n",(unsigned int)bytesRead,Utils::hex(_tapReadBuf,bytesRead).c_str());
 					_handler(_arg,from,to,etherType,tmp);
 				}
 			}

windows/TapDriver/tapdrvr.c

@@ -1833,6 +1833,38 @@ NTSTATUS
 				p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL;
 				p_IRP->IoStatus.Information = 0;
 			}
+			else if ((l_IrpSp->Parameters.Write.Length) >= ETHERNET_HEADER_SIZE)
+			{
+				__try
+				{
+					p_IRP->IoStatus.Information = l_IrpSp->Parameters.Write.Length;
+
+					DUMP_PACKET ("IRP_MJ_WRITE ETH",
+						(unsigned char *) p_IRP->AssociatedIrp.SystemBuffer,
+						l_IrpSp->Parameters.Write.Length);
+
+					NdisMEthIndicateReceive
+						(l_Adapter->m_MiniportAdapterHandle,
+						(NDIS_HANDLE) l_Adapter,
+						(PCHAR)p_IRP->AssociatedIrp.SystemBuffer,
+						ETHERNET_HEADER_SIZE,
+						(unsigned char *)p_IRP->AssociatedIrp.SystemBuffer + ETHERNET_HEADER_SIZE,
+						l_IrpSp->Parameters.Write.Length - ETHERNET_HEADER_SIZE,
+						l_IrpSp->Parameters.Write.Length - ETHERNET_HEADER_SIZE);
+
+					NdisMEthIndicateReceiveComplete (l_Adapter->m_MiniportAdapterHandle);
+
+					p_IRP->IoStatus.Status = l_Status = STATUS_SUCCESS;
+				}
+				__except (EXCEPTION_EXECUTE_HANDLER)
+				{
+					DEBUGP (("[%s] NdisMEthIndicateReceive failed in IRP_MJ_WRITE\n",
+						NAME (l_Adapter)));
+					NOTE_ERROR ();
+					p_IRP->IoStatus.Status = l_Status = STATUS_UNSUCCESSFUL;
+					p_IRP->IoStatus.Information = 0;
+				}
+			}
 			else
 			{
 				DEBUGP (("[%s] Bad buffer size in IRP_MJ_WRITE, len=%d\n",