ifvlan.c revision 44764
1/* 2 * Copyright (c) 1999 3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-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 Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 * 32 * $Id$ 33 */ 34 35#include <sys/param.h> 36#include <sys/ioctl.h> 37#include <sys/socket.h> 38#include <sys/sockio.h> 39#include <sys/mbuf.h> 40 41#include <stdlib.h> 42#include <unistd.h> 43 44#include <net/ethernet.h> 45#include <net/if.h> 46#include <net/if_var.h> 47#include <net/if_vlan_var.h> 48#include <net/route.h> 49 50#include <ctype.h> 51#include <stdio.h> 52#include <string.h> 53#include <stdlib.h> 54#include <unistd.h> 55#include <err.h> 56#include <errno.h> 57 58#include "ifconfig.h" 59 60#ifndef lint 61static const char rcsid[] = 62 "$Id$"; 63#endif 64static int __tag = 0; 65static int __have_tag = 0; 66 67void vlan_status(s, info) 68 int s; 69 struct rt_addrinfo *info __unused; 70{ 71 struct vlanreq vreq; 72 73 bzero((char *)&vreq, sizeof(struct vlanreq)); 74 ifr.ifr_data = (caddr_t)&vreq; 75 76 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 77 return; 78 79 printf("\tvlan: %d parent interface: %s\n", 80 vreq.vlr_tag, vreq.vlr_parent[0] == '\0' ? 81 "<none>" : vreq.vlr_parent); 82 83 return; 84} 85 86void setvlantag(val, d, s, afp) 87 const char *val; 88 int d, s; 89 const struct afswtch *afp; 90{ 91 u_int16_t tag; 92 struct vlanreq vreq; 93 94 __tag = tag = atoi(val); 95 __have_tag = 1; 96 97 bzero((char *)&vreq, sizeof(struct vlanreq)); 98 ifr.ifr_data = (caddr_t)&vreq; 99 100 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 101 err(1, "SIOCGETVLAN"); 102 103 vreq.vlr_tag = tag; 104 105 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 106 err(1, "SIOCSETVLAN"); 107 108 return; 109} 110 111void setvlandev(val, d, s, afp) 112 const char *val; 113 int d, s; 114 const struct afswtch *afp; 115{ 116 struct vlanreq vreq; 117 118 if (!__have_tag) 119 errx(1, "must specify both vlan tag and device"); 120 121 bzero((char *)&vreq, sizeof(struct vlanreq)); 122 ifr.ifr_data = (caddr_t)&vreq; 123 124 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 125 err(1, "SIOCGETVLAN"); 126 127 strncpy(vreq.vlr_parent, val, sizeof(vreq.vlr_parent)); 128 vreq.vlr_tag = __tag; 129 130 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 131 err(1, "SIOCSETVLAN"); 132 133 return; 134} 135 136void unsetvlandev(val, d, s, afp) 137 const char *val; 138 int d, s; 139 const struct afswtch *afp; 140{ 141 struct vlanreq vreq; 142 143 bzero((char *)&vreq, sizeof(struct vlanreq)); 144 ifr.ifr_data = (caddr_t)&vreq; 145 146 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 147 err(1, "SIOCGETVLAN"); 148 149 bzero((char *)&vreq.vlr_parent, sizeof(vreq.vlr_parent)); 150 vreq.vlr_tag = 0; 151 152 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 153 err(1, "SIOCSETVLAN"); 154 155 return; 156} 157