/*

   * Copyright (C) 2002 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)

   * Licensed under the GPL
   */
  
  #ifndef __UM_NET_KERN_H
  #define __UM_NET_KERN_H

  #include <linux/netdevice.h>
  #include <linux/platform_device.h>
  #include <linux/skbuff.h>
  #include <linux/socket.h>
  #include <linux/list.h>

  #include <linux/workqueue.h>

  
  struct uml_net {
  	struct list_head list;
  	struct net_device *dev;
  	struct platform_device pdev;
  	int index;
  	unsigned char mac[ETH_ALEN];

  };
  
  struct uml_net_private {
  	struct list_head list;
  	spinlock_t lock;
  	struct net_device *dev;
  	struct timer_list tl;

  	struct work_struct work;

  	int fd;
  	unsigned char mac[ETH_ALEN];

  	int max_packet;

  	unsigned short (*protocol)(struct sk_buff *);
  	int (*open)(void *);
  	void (*close)(int, void *);
  	void (*remove)(void *);

  	int (*read)(int, struct sk_buff *skb, struct uml_net_private *);
  	int (*write)(int, struct sk_buff *skb, struct uml_net_private *);

  	void (*add_address)(unsigned char *, unsigned char *, void *);
  	void (*delete_address)(unsigned char *, unsigned char *, void *);

  	char user[0];

  };
  
  struct net_kern_info {
  	void (*init)(struct net_device *, void *);
  	unsigned short (*protocol)(struct sk_buff *);

  	int (*read)(int, struct sk_buff *skb, struct uml_net_private *);
  	int (*write)(int, struct sk_buff *skb, struct uml_net_private *);

  };
  
  struct transport {
  	struct list_head list;

  	const char *name;
  	int (* const setup)(char *, char **, void *);

  	const struct net_user_info *user;
  	const struct net_kern_info *kern;

  	const int private_size;
  	const int setup_size;

  };
  
  extern struct net_device *ether_init(int);
  extern unsigned short ether_protocol(struct sk_buff *);

  extern int tap_setup_common(char *str, char *type, char **dev_name,

  			    char **mac_out, char **gate_addr);
  extern void register_transport(struct transport *new);
  extern unsigned short eth_protocol(struct sk_buff *skb);
  
  #endif