net_user.h 1.5 KB

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