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 * $FreeBSD: src/sbin/ifconfig/ifvlan.c,v 1.2 1999/08/28 00:13:09 peter Exp $ 33 * $DragonFly: src/sbin/ifconfig/ifvlan.c,v 1.7 2005/11/06 12:21:42 swildner Exp $ 34 */ 35 36 #include <sys/param.h> 37 #include <sys/ioctl.h> 38 #include <sys/socket.h> 39 #include <sys/sockio.h> 40 #include <sys/mbuf.h> 41 42 #include <stdlib.h> 43 #include <unistd.h> 44 45 #include <net/ethernet.h> 46 #include <net/if.h> 47 #include <net/if_var.h> 48 #include <net/vlan/if_vlan_var.h> 49 #include <net/route.h> 50 51 #include <ctype.h> 52 #include <stdio.h> 53 #include <string.h> 54 #include <stdlib.h> 55 #include <unistd.h> 56 #include <err.h> 57 #include <errno.h> 58 59 #include "ifconfig.h" 60 61 static int __tag = 0; 62 static int __have_tag = 0; 63 64 void 65 vlan_status(int s, struct rt_addrinfo *info __unused) 66 { 67 struct vlanreq vreq; 68 69 bzero((char *)&vreq, sizeof(struct vlanreq)); 70 ifr.ifr_data = (caddr_t)&vreq; 71 72 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 73 return; 74 75 printf("\tvlan: %d parent interface: %s\n", 76 vreq.vlr_tag, vreq.vlr_parent[0] == '\0' ? 77 "<none>" : vreq.vlr_parent); 78 79 return; 80 } 81 82 void 83 setvlantag(const char *val, int d __unused, int s, 84 const struct afswtch *afp __unused) 85 { 86 u_int16_t tag; 87 struct vlanreq vreq; 88 89 __tag = tag = atoi(val); 90 __have_tag = 1; 91 92 bzero((char *)&vreq, sizeof(struct vlanreq)); 93 ifr.ifr_data = (caddr_t)&vreq; 94 95 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 96 err(1, "SIOCGETVLAN"); 97 98 vreq.vlr_tag = tag; 99 100 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 101 err(1, "SIOCSETVLAN"); 102 103 return; 104 } 105 106 void 107 setvlandev(const char *val, int d __unused, int s, 108 const struct afswtch *afp __unused) 109 { 110 struct vlanreq vreq; 111 112 if (!__have_tag) 113 errx(1, "must specify both vlan tag and device"); 114 115 bzero((char *)&vreq, sizeof(struct vlanreq)); 116 ifr.ifr_data = (caddr_t)&vreq; 117 118 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 119 err(1, "SIOCGETVLAN"); 120 121 strncpy(vreq.vlr_parent, val, sizeof(vreq.vlr_parent)); 122 vreq.vlr_tag = __tag; 123 124 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 125 err(1, "SIOCSETVLAN"); 126 127 return; 128 } 129 130 void 131 unsetvlandev(const char *val __unused, int d __unused, int s, 132 const struct afswtch *afp __unused) 133 { 134 struct vlanreq vreq; 135 136 bzero((char *)&vreq, sizeof(struct vlanreq)); 137 ifr.ifr_data = (caddr_t)&vreq; 138 139 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 140 err(1, "SIOCGETVLAN"); 141 142 bzero((char *)&vreq.vlr_parent, sizeof(vreq.vlr_parent)); 143 vreq.vlr_tag = 0; 144 145 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 146 err(1, "SIOCSETVLAN"); 147 148 return; 149 } 150