driver.h

/*  
   vtrunkd - Virtual Tunnel Trunking over TCP/IP network. 

   Copyright (C) 2011-2016  Vrayo Systems Ltd. team

   Vtrunkd has been derived from VTUN package by Maxim Krasnyansky. 
   vtun Copyright (C) 1998-2000  Maxim Krasnyansky <max_mk@yahoo.com>

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 */

/*
 * driver.h,v 1.1.1.1.2.1.2.1 2006/11/16 04:02:57 mtbishop Exp
 */ 
#ifndef _DRIVER_H
#define _DRIVER_H

/* Definitions for device and protocol drivers 
 * Interface will be completely rewritten in 
 * version 3.0
 */

extern int (*dev_write)(int fd, char *buf, int len);
extern int (*dev_read)(int fd, char *buf, int len);

extern int (*proto_write)(int fd, char *buf, int len);
extern int (*proto_read)(int fd, char *buf);

int tun_open(char *dev);
int tun_close(int fd, char *dev);
int tun_write(int fd, char *buf, int len);
int tun_read(int fd, char *buf, int len);

int tap_open(char *dev);
int tap_close(int fd, char *dev);
int tap_write(int fd, char *buf, int len);
int tap_read(int fd, char *buf, int len);

int pty_open(char *dev);
int pty_write(int fd, char *buf, int len);
int pty_read(int fd, char *buf, int len);

int pipe_open(int *fd);
int pipe_write(int fd, char *buf, int len);
int pipe_read(int fd, char *buf, int len);

int tcp_write(int fd, char *buf, int len);
int tcp_read(int fd, char *buf);

int udp_write(int fd, char *buf, int len);
int udp_read(int fd, char *buf);

#endif