Initial import from FreeBSD RELENG_4:
[dragonfly.git] / sys / net / net_osdep.c
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984263bc
MD
1/* $FreeBSD: src/sys/net/net_osdep.c,v 1.1.2.5 2002/04/28 05:40:25 suz Exp $ */
2/* $KAME: net_osdep.c,v 1.9 2001/04/06 09:22:05 itojun Exp $ */
3
4/*
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/kernel.h>
36#include <sys/mbuf.h>
37#include <sys/socket.h>
38#include <sys/sockio.h>
39#include <sys/errno.h>
40#include <sys/time.h>
41#include <sys/syslog.h>
42#include <machine/cpu.h>
43
44#include <net/if.h>
45#include <net/if_types.h>
46#include <net/netisr.h>
47#include <net/route.h>
48#include <net/bpf.h>
49
50#include <net/net_osdep.h>
51
52const char *
53if_name(ifp)
54 struct ifnet *ifp;
55{
56#define MAXNUMBUF 8
57 static char nam[MAXNUMBUF][IFNAMSIZ + 10]; /*enough?*/
58 static int ifbufround = 0;
59 char *cp;
60
61 ifbufround = (ifbufround + 1) % MAXNUMBUF;
62 cp = nam[ifbufround];
63
64 snprintf(cp, IFNAMSIZ + 10, "%s%d", ifp->if_name, ifp->if_unit);
65 return((const char *)cp);
66#undef MAXNUMBUF
67}