arch/um/include/net_user.h

   1 /*
   2  * Copyright (C) 2002 Jeff Dike (jdike@karaya.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 (14)
  12 #define ETH_MAX_PACKET (1500)
  13
  14 #define UML_NET_VERSION (4)
  15
  16 struct net_user_info {
  17         void (*init)(void *, void *);
  18         int (*open)(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 *);
  24         int max_packet;
  25 };
  26
  27 extern void ether_user_init(void *data, void *dev);
  28 extern void dev_ip_addr(void *d, char *buf, 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 *),
  32                            void *arg);
  33
  34 extern void *get_output_buffer(int *len_out);
  35 extern void free_output_buffer(void *buffer);
  36
  37 extern int tap_open_common(void *dev, char *gate_addr);
  38 extern void tap_check_ips(char *gate_addr, char *eth_addr);
  39
  40 extern void read_output(int fd, char *output_out, int len);
  41
  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);
  47
  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);
  50
  51 extern char *split_if_spec(char *str, ...);
  52
  53 extern int dev_netmask(void *d, void *m);
  54
  55 #endif
  56
  57 /*
  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
  61  * of the file.
  62  * ---------------------------------------------------------------------------
  63  * Local variables:
  64  * c-file-style: "linux"
  65  * End:
  66  */