68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*-
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* Copyright (c) 1997 Brian Somers <brian@Awfulhak.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: tun.c,v 1.4 1997/12/21 12:11:09 brian Exp $
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*/
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/select.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <net/if.h>
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#include <net/if_tun.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/errno.h>
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#include "command.h"
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#include "mbuf.h"
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#include "log.h"
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#include "hdlc.h"
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#include "defs.h"
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#include "loadalias.h"
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#include "vars.h"
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#include "tun.h"
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void
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tun_configure(int mtu, int speed)
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{
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struct tuninfo info;
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info.type = 23;
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info.mtu = mtu;
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if (VarPrefMTU != 0 && VarPrefMTU < mtu)
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info.mtu = VarPrefMTU;
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info.baudrate = speed;
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#ifdef __OpenBSD__
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info.flags = IFF_UP|IFF_POINTOPOINT;
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#endif
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if (ioctl(tun_out, TUNSIFINFO, &info) < 0)
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LogPrintf(LogERROR, "tun_configure: ioctl(TUNSIFINFO): %s\n",
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strerror(errno));
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}
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