--- /dev/null
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National
+ * Science Foundation and the Department of Energy.
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico. You can find out more at
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2009, Lei Xia <lxia@northwestern.edu>
+ * Copyright (c) 2009, Yuan Tang <ytang@northwestern.edu>
+ * Copyright (c) 2009, Jack Lange <jarusl@cs.northwestern.edu>
+ * Copyright (c) 2009, Peter Dinda <pdinda@northwestern.edu
+ * Copyright (c) 2009, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Lei Xia <lxia@northwestern.edu>
+ * Yuan Tang <ytang@northwestern.edu>
+ * Jack Lange <jarusl@cs.northwestern.edu>
+ * Peter Dinda <pdinda@northwestern.edu
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+#ifndef __VNET_H__
+#define __VNET_H__
+
+#include <palacios/vmm.h>
+#include <palacios/vmm_string.h>
+#include <palacios/vmm_types.h>
+#include <palacios/vmm_queue.h>
+#include <palacios/vmm_socket.h>
+#include <palacios/vmm_hashtable.h>
+#include <palacios/vmm_sprintf.h>
+
+
+#define ETHERNET_HEADER_LEN 14
+#define ETHERNET_DATA_MIN 46
+#define ETHERNET_DATA_MAX 1500
+#define ETHERNET_PACKET_LEN (ETHERNET_HEADER_LEN + ETHERNET_DATA_MAX)
+
+#define SOCK int
+
+//the routing entry
+struct routing{
+ char src_mac[6];
+ char dest_mac[6];
+
+ int src_mac_qual;
+ int dest_mac_qual;
+
+ int dest; //link[dest] is the link to be used to send pkt
+ int type; //EDGE|INTERFACE|ANY
+
+ int src;
+ int src_type; //EDGE|INTERFACE|ANY
+
+ int use;
+
+ int next;
+ int prev;
+ // struct list_head entry_list;
+};
+
+//struct gen_route {
+ // uint_t num_entries;
+ // struct list_head entries;
+//}
+
+ //This is the structure that stores the topology
+struct topology {
+ SOCK link_sock;
+
+ unsigned long dest;
+
+ // Port for UDP
+ unsigned short remote_port;
+
+ int use;
+ int type; //TCP=0, UDP=1,VTP=2, can be extended so on
+
+ int next;
+ int prev;
+};
+
+struct sock_list {
+ SOCK sock;
+
+ int next;
+ int prev;
+};
+
+
+#define GENERAL_NIC 0
+
+struct ethAddr{
+ char addr[6];
+};
+
+struct vnet_if_device {
+ char name[50];
+ struct ethAddr device_addr;
+
+ int (*input)(uchar_t * pkt, uint_t size);
+
+ void * data;
+};
+
+
+struct device_list {
+ struct vnet_if_device *device;
+
+ int use;
+ int type;
+
+ int next;
+ int prev;
+};
+
+// 14 (ethernet frame) + 20 bytes
+struct HEADERS {
+ char ethernetdest[6];
+ char ethernetsrc[6];
+ unsigned char ethernettype[2]; // indicates layer 3 protocol type
+ char ip[20];
+};
+
+#define FOREACH(iter, list, start) for (iter = start; iter != -1; iter = list[iter].next)
+#define FOREACH_SOCK(iter, socks, start) FOREACH(iter, socks, start)
+#define FOREACH_LINK(iter, links, start) FOREACH(iter, links, start)
+#define FOREACH_ROUTE(iter, routes, start) FOREACH(iter, routes, start)
+#define FOREACH_DEVICE(iter, devices, start) FOREACH(iter, devices, start)
+
+
+int v3_Send_pkt(uchar_t *buf, int length);
+int v3_Register_pkt_event(int (*netif_input)(uchar_t * pkt, uint_t size));
+
+
+int vnet_send_pkt(char *buf, int length);
+int vnet_register_pkt_event(char *dev_name, int (*netif_input)(uchar_t * pkt, uint_t size), void *data);
+
+int v3_vnet_pkt_process();
+
+void v3_vnet_init();
+
+#endif
+
+
