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 52 const char * 53 if_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 } 68