1/*
 2 * Copyright (C) 2002 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 3 * Licensed under the GPL
 4 */
 5
 6#ifndef __UM_NET_KERN_H
 7#define __UM_NET_KERN_H
 8
 9#include <linux/netdevice.h>
10#include <linux/platform_device.h>
11#include <linux/skbuff.h>
12#include <linux/socket.h>
13#include <linux/list.h>
14#include <linux/workqueue.h>
15
16struct uml_net {
17	struct list_head list;
18	struct net_device *dev;
19	struct platform_device pdev;
20	int index;
21	unsigned char mac[ETH_ALEN];
22};
23
24struct uml_net_private {
25	struct list_head list;
26	spinlock_t lock;
27	struct net_device *dev;
28	struct timer_list tl;
29
30	struct work_struct work;
31	int fd;
32	unsigned char mac[ETH_ALEN];
33	int max_packet;
34	unsigned short (*protocol)(struct sk_buff *);
35	int (*open)(void *);
36	void (*close)(int, void *);
37	void (*remove)(void *);
38	int (*read)(int, struct sk_buff *skb, struct uml_net_private *);
39	int (*write)(int, struct sk_buff *skb, struct uml_net_private *);
40
41	void (*add_address)(unsigned char *, unsigned char *, void *);
42	void (*delete_address)(unsigned char *, unsigned char *, void *);
43	char user[0];
44};
45
46struct net_kern_info {
47	void (*init)(struct net_device *, void *);
48	unsigned short (*protocol)(struct sk_buff *);
49	int (*read)(int, struct sk_buff *skb, struct uml_net_private *);
50	int (*write)(int, struct sk_buff *skb, struct uml_net_private *);
51};
52
53struct transport {
54	struct list_head list;
55	const char *name;
56	int (* const setup)(char *, char **, void *);
57	const struct net_user_info *user;
58	const struct net_kern_info *kern;
59	const int private_size;
60	const int setup_size;
61};
62
63extern struct net_device *ether_init(int);
64extern unsigned short ether_protocol(struct sk_buff *);
65extern int tap_setup_common(char *str, char *type, char **dev_name,
66			    char **mac_out, char **gate_addr);
67extern void register_transport(struct transport *new);
68extern unsigned short eth_protocol(struct sk_buff *skb);
69
70#endif