/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) */ #ifndef __UM_NET_USER_H__ #define __UM_NET_USER_H__ #define ETH_ADDR_LEN (6) #define ETH_HEADER_ETHERTAP (16) #define ETH_HEADER_OTHER (26) /* 14 for ethernet + VLAN + MPLS for crazy people */ #define ETH_MAX_PACKET (1500) #define UML_NET_VERSION (4) struct net_user_info { int (*init)(void *, void *); int (*open)(void *); void (*close)(int, void *); void (*remove)(void *); void (*add_address)(unsigned char *, unsigned char *, void *); void (*delete_address)(unsigned char *, unsigned char *, void *); int max_packet; int mtu; }; extern void ether_user_init(void *data, void *dev); extern void iter_addresses(void *d, void (*cb)(unsigned char *, unsigned char *, void *), void *arg); extern void *get_output_buffer(int *len_out); extern void free_output_buffer(void *buffer); extern int tap_open_common(void *dev, char *gate_addr); extern void tap_check_ips(char *gate_addr, unsigned char *eth_addr); extern void read_output(int fd, char *output_out, int len); extern int net_read(int fd, void *buf, int len); extern int net_recvfrom(int fd, void *buf, int len); extern int net_write(int fd, void *buf, int len); extern int net_send(int fd, void *buf, int len); extern int net_sendto(int fd, void *buf, int len, void *to, int sock_len); extern void open_addr(unsigned char *addr, unsigned char *netmask, void *arg); extern void close_addr(unsigned char *addr, unsigned char *netmask, void *arg); extern char *split_if_spec(char *str, ...); extern int dev_netmask(void *d, void *m); #endif