added ethernet interface framework, taken from openfirmware boot platform

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19453 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/boot/platform/pxe_ia32/network.cpp

@@ -1,5 +1,6 @@
 /*
  * Copyright 2006, Marcus Overhagen <marcus@overhagen.de. All rights reserved.
+ * Copyright 2005, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
  * Distributed under the terms of the MIT License.
  */
 
@@ -23,6 +24,111 @@
 #	define TRACE(x...)
 #endif
 
+#ifdef TRACE_NETWORK
+
+static void
+hex_dump(const void *_data, int length)
+{
+	uint8 *data = (uint8*)_data;
+	for (int i = 0; i < length; i++) {
+		if (i % 4 == 0) {
+			if (i % 32 == 0) {
+				if (i != 0)
+					TRACE("\n");
+				TRACE("%03x: ", i);
+			} else
+				TRACE(" ");
+		}
+
+		TRACE("%02x", data[i]);
+	}
+	TRACE("\n");
+}
+
+#else	// !TRACE_NETWORK
+
+#define hex_dump(data, length)
+
+#endif	// !TRACE_NETWORK
+
+
+class UNDI : public EthernetInterface
+{
+public:
+						UNDI();
+	virtual 			~UNDI();
+
+	status_t 			Init();
+
+	virtual mac_addr_t	MACAddress() const;
+
+	virtual	void *		AllocateSendReceiveBuffer(size_t size);
+	virtual	void 		FreeSendReceiveBuffer(void *buffer);
+
+	virtual ssize_t		Send(const void *buffer, size_t size);
+	virtual ssize_t		Receive(void *buffer, size_t size);
+
+private:
+	mac_addr_t			fMACAddress;
+};
+
+
+UNDI::UNDI()
+{
+	TRACE("UNDI::UNDI\n");
+}
+
+
+UNDI::~UNDI()
+{
+	TRACE("UNDI::~UNDI\n");
+}
+
+
+status_t
+UNDI::Init()
+{
+	TRACE("UNDI::Init\n");
+	return B_OK;	
+}
+
+
+mac_addr_t
+UNDI::MACAddress() const
+{
+	return fMACAddress;
+}
+
+void *
+UNDI::AllocateSendReceiveBuffer(size_t size)
+{
+	TRACE("UNDI::AllocateSendReceiveBuffer, size %ld\n", size);
+	return 0;
+}
+
+
+void
+UNDI::FreeSendReceiveBuffer(void *buffer)
+{
+	TRACE("UNDI::FreeSendReceiveBuffer\n");
+}
+
+
+ssize_t
+UNDI::Send(const void *buffer, size_t size)
+{
+	TRACE("UNDI::Send, size %ld\n", size);
+	return 0;
+}
+
+
+ssize_t
+UNDI::Receive(void *buffer, size_t size)
+{
+	TRACE("UNDI::Receive, size %ld\n", size);
+	return 0;
+}
+
 
 status_t
 platform_net_stack_init()
@@ -31,5 +137,21 @@ platform_net_stack_init()
 
 	pxe_undi_init();
 
+	UNDI *interface = new(nothrow) UNDI;
+	if (!interface)
+		return B_NO_MEMORY;
+
+	status_t error = interface->Init();
+	if (error != B_OK) {
+		delete interface;
+		return error;
+	}
+
+	error = NetStack::Default()->AddEthernetInterface(interface);
+	if (error != B_OK) {
+		delete interface;
+		return error;
+	}
+
 	return B_OK;
 }