summaryrefslogtreecommitdiffstats
path: root/arch/um/include/net_kern.h
blob: 1c07949a13d6155aa4bacbb5f1551d99202d1a81 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
/* 
 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
 * Licensed under the GPL
 */

#ifndef __UM_NET_KERN_H
#define __UM_NET_KERN_H

#include "linux/netdevice.h"
#include "linux/skbuff.h"
#include "linux/socket.h"
#include "linux/list.h"

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

struct uml_net_private {
	struct list_head list;
	spinlock_t lock;
	struct net_device *dev;
	struct timer_list tl;
	struct net_device_stats stats;
	int fd;
	unsigned char mac[ETH_ALEN];
	int have_mac;
	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 *);
	int (*set_mtu)(int mtu, void *);
	int user[1];
};

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;
	char *name;
	int (*setup)(char *, char **, void *);
	struct net_user_info *user;
	struct net_kern_info *kern;
	int private_size;
	int setup_size;
};

extern struct net_device *ether_init(int);
extern unsigned short ether_protocol(struct sk_buff *);
extern int setup_etheraddr(char *str, unsigned char *addr);
extern struct sk_buff *ether_adjust_skb(struct sk_buff *skb, int extra);
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

/*
 * Overrides for Emacs so that we follow Linus's tabbing style.
 * Emacs will notice this stuff at the end of the file and automatically
 * adjust the settings for this buffer only.  This must remain at the end
 * of the file.
 * ---------------------------------------------------------------------------
 * Local variables:
 * c-file-style: "linux"
 * End:
 */