2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
6 #ifndef __UM_NET_USER_H__
7 #define __UM_NET_USER_H__
9 #define ETH_ADDR_LEN (6)
10 #define ETH_HEADER_ETHERTAP (16)
11 #define ETH_HEADER_OTHER (14)
12 #define ETH_MAX_PACKET (1500)
14 #define UML_NET_VERSION (4)
16 struct net_user_info {
17 void (*init)(void *, void *);
19 void (*close)(int, void *);
20 void (*remove)(void *);
21 int (*set_mtu)(int mtu, void *);
22 void (*add_address)(unsigned char *, unsigned char *, void *);
23 void (*delete_address)(unsigned char *, unsigned char *, void *);
27 extern void ether_user_init(void *data, void *dev);
28 extern void dev_ip_addr(void *d, unsigned char *bin_buf);
29 extern void set_ether_mac(void *d, unsigned char *addr);
30 extern void iter_addresses(void *d, void (*cb)(unsigned char *,
31 unsigned char *, void *),
34 extern void *get_output_buffer(int *len_out);
35 extern void free_output_buffer(void *buffer);
37 extern int tap_open_common(void *dev, char *gate_addr);
38 extern void tap_check_ips(char *gate_addr, unsigned char *eth_addr);
40 extern void read_output(int fd, char *output_out, int len);
42 extern int net_read(int fd, void *buf, int len);
43 extern int net_recvfrom(int fd, void *buf, int len);
44 extern int net_write(int fd, void *buf, int len);
45 extern int net_send(int fd, void *buf, int len);
46 extern int net_sendto(int fd, void *buf, int len, void *to, int sock_len);
48 extern void open_addr(unsigned char *addr, unsigned char *netmask, void *arg);
49 extern void close_addr(unsigned char *addr, unsigned char *netmask, void *arg);
51 extern char *split_if_spec(char *str, ...);
53 extern int dev_netmask(void *d, void *m);
58 * Overrides for Emacs so that we follow Linus's tabbing style.
59 * Emacs will notice this stuff at the end of the file and automatically
60 * adjust the settings for this buffer only. This must remain at the end
62 * ---------------------------------------------------------------------------
64 * c-file-style: "linux"