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