1/* 2 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) 3 * Licensed under the GPL 4 */ 5 6#ifndef __UM_NET_USER_H__ 7#define __UM_NET_USER_H__ 8 9#define ETH_ADDR_LEN (6) 10#define ETH_HEADER_ETHERTAP (16) 11#define ETH_HEADER_OTHER (26) /* 14 for ethernet + VLAN + MPLS for crazy people */ 12#define ETH_MAX_PACKET (1500) 13 14#define UML_NET_VERSION (4) 15 16struct net_user_info { 17 int (*init)(void *, void *); 18 int (*open)(void *); 19 void (*close)(int, void *); 20 void (*remove)(void *); 21 void (*add_address)(unsigned char *, unsigned char *, void *); 22 void (*delete_address)(unsigned char *, unsigned char *, void *); 23 int max_packet; 24 int mtu; 25}; 26 27extern void ether_user_init(void *data, void *dev); 28extern void iter_addresses(void *d, void (*cb)(unsigned char *, 29 unsigned char *, void *), 30 void *arg); 31 32extern void *get_output_buffer(int *len_out); 33extern void free_output_buffer(void *buffer); 34 35extern int tap_open_common(void *dev, char *gate_addr); 36extern void tap_check_ips(char *gate_addr, unsigned char *eth_addr); 37 38extern void read_output(int fd, char *output_out, int len); 39 40extern int net_read(int fd, void *buf, int len); 41extern int net_recvfrom(int fd, void *buf, int len); 42extern int net_write(int fd, void *buf, int len); 43extern int net_send(int fd, void *buf, int len); 44extern int net_sendto(int fd, void *buf, int len, void *to, int sock_len); 45 46extern void open_addr(unsigned char *addr, unsigned char *netmask, void *arg); 47extern void close_addr(unsigned char *addr, unsigned char *netmask, void *arg); 48 49extern char *split_if_spec(char *str, ...); 50 51extern int dev_netmask(void *d, void *m); 52 53#endif 54