1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef __UM_NET_USER_H__ 7*4882a593Smuzhiyun #define __UM_NET_USER_H__ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #define ETH_ADDR_LEN (6) 10*4882a593Smuzhiyun #define ETH_HEADER_ETHERTAP (16) 11*4882a593Smuzhiyun #define ETH_HEADER_OTHER (26) /* 14 for ethernet + VLAN + MPLS for crazy people */ 12*4882a593Smuzhiyun #define ETH_MAX_PACKET (1500) 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #define UML_NET_VERSION (4) 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun struct net_user_info { 17*4882a593Smuzhiyun int (*init)(void *, void *); 18*4882a593Smuzhiyun int (*open)(void *); 19*4882a593Smuzhiyun void (*close)(int, void *); 20*4882a593Smuzhiyun void (*remove)(void *); 21*4882a593Smuzhiyun void (*add_address)(unsigned char *, unsigned char *, void *); 22*4882a593Smuzhiyun void (*delete_address)(unsigned char *, unsigned char *, void *); 23*4882a593Smuzhiyun int max_packet; 24*4882a593Smuzhiyun int mtu; 25*4882a593Smuzhiyun }; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun extern void ether_user_init(void *data, void *dev); 28*4882a593Smuzhiyun extern void iter_addresses(void *d, void (*cb)(unsigned char *, 29*4882a593Smuzhiyun unsigned char *, void *), 30*4882a593Smuzhiyun void *arg); 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun extern void *get_output_buffer(int *len_out); 33*4882a593Smuzhiyun extern void free_output_buffer(void *buffer); 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun extern int tap_open_common(void *dev, char *gate_addr); 36*4882a593Smuzhiyun extern void tap_check_ips(char *gate_addr, unsigned char *eth_addr); 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun extern void read_output(int fd, char *output_out, int len); 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun extern int net_read(int fd, void *buf, int len); 41*4882a593Smuzhiyun extern int net_recvfrom(int fd, void *buf, int len); 42*4882a593Smuzhiyun extern int net_write(int fd, void *buf, int len); 43*4882a593Smuzhiyun extern int net_send(int fd, void *buf, int len); 44*4882a593Smuzhiyun extern int net_sendto(int fd, void *buf, int len, void *to, int sock_len); 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun extern void open_addr(unsigned char *addr, unsigned char *netmask, void *arg); 47*4882a593Smuzhiyun extern void close_addr(unsigned char *addr, unsigned char *netmask, void *arg); 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun extern char *split_if_spec(char *str, ...); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun extern int dev_netmask(void *d, void *m); 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun #endif 54