tun.c revision 31196 
1/*
2 * $Id$
3 */
4
5#include <sys/param.h>
6#include <sys/time.h>
7#include <sys/select.h>
8#include <sys/socket.h>
9#include <netinet/in.h>
10#include <net/if.h>
11#include <net/if_var.h>
12#include <net/if_tun.h>
13
14#include <stdio.h>
15#include <string.h>
16#include <sys/ioctl.h>
17#include <sys/errno.h>
18
19#include "hdlc.h"
20#include "defs.h"
21#include "loadalias.h"
22#include "command.h"
23#include "vars.h"
24#include "log.h"
25#include "tun.h"
26
27void
28tun_configure(int mtu, int speed)
29{
30  struct tuninfo info;
31
32  info.type = 23;
33  info.mtu = mtu;
34  if (VarPrefMTU != 0 && VarPrefMTU < mtu)
35    info.mtu = VarPrefMTU;
36  info.baudrate = speed;
37#ifdef __OpenBSD__
38  info.flags = IFF_UP|IFF_POINTOPOINT;
39#endif
40  if (ioctl(tun_out, TUNSIFINFO, &info) < 0)
41    LogPrintf(LogERROR, "tun_configure: ioctl(TUNSIFINFO): %s\n",
42	      strerror(errno));
43}
44