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/*
* lib/slip_ac.c This file contains the activation for the
* SLIP line disciplines, called from activate_ld().
*
* Version: $Id: slip_ac.c,v 1.3 1998/11/15 20:12:20 freitag Exp $
*
* Author: Bernd 'eckes' Eckenfels
* Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
* Copyright 1993 MicroWalt Corporation
*
* Modified by Alan Cox, May 94 to cover NET-3
*
* 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.
*/
#include "config.h"
#if HAVE_HWSLIP
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if_arp.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
#include "net-support.h"
#include "pathnames.h"
/* Set the line discipline of a terminal line. */
static int SLIP_set_disc(int fd, int disc)
{
if (ioctl(fd, TIOCSETD, &disc) < 0) {
fprintf(stderr, "SLIP_set_disc(%d): %s\n", disc, strerror(errno));
return (-errno);
}
return (0);
}
/* Set the encapsulation type of a terminal line. */
static int SLIP_set_encap(int fd, int encap)
{
if (ioctl(fd, SIOCSIFENCAP, &encap) < 0) {
fprintf(stderr, "SLIP_set_encap(%d): %s\n", encap, strerror(errno));
return (-errno);
}
return (0);
}
/* Start the SLIP encapsulation on the file descriptor. */
int SLIP_activate(int fd)
{
if (SLIP_set_disc(fd, N_SLIP) < 0)
return (-1);
if (SLIP_set_encap(fd, 0) < 0)
return (-1);
return (0);
}
/* Start the VJ-SLIP encapsulation on the file descriptor. */
int CSLIP_activate(int fd)
{
if (SLIP_set_disc(fd, N_SLIP) < 0)
return (-1);
if (SLIP_set_encap(fd, 1) < 0)
return (-1);
return (0);
}
/* Start the SLIP-6 encapsulation on the file descriptor. */
int SLIP6_activate(int fd)
{
if (SLIP_set_disc(fd, N_SLIP) < 0)
return (-1);
if (SLIP_set_encap(fd, 2) < 0)
return (-1);
return (0);
}
/* Start the VJ-SLIP-6 encapsulation on the file descriptor. */
int CSLIP6_activate(int fd)
{
if (SLIP_set_disc(fd, N_SLIP) < 0)
return (-1);
if (SLIP_set_encap(fd, 3) < 0)
return (-1);
return (0);
}
/* Start adaptive encapsulation on the file descriptor. */
int ADAPTIVE_activate(int fd)
{
if (SLIP_set_disc(fd, N_SLIP) < 0)
return (-1);
if (SLIP_set_encap(fd, 8) < 0)
return (-1);
return (0);
}
#endif /* HAVE_HWSLIP */
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