154359Sroberto/* 256746Sroberto * Copyright (c) 1999 354359Sroberto * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 456746Sroberto * 554359Sroberto * Redistribution and use in source and binary forms, with or without 654359Sroberto * modification, are permitted provided that the following conditions 754359Sroberto * are met: 854359Sroberto * 1. Redistributions of source code must retain the above copyright 954359Sroberto * notice, this list of conditions and the following disclaimer. 1054359Sroberto * 2. Redistributions in binary form must reproduce the above copyright 1154359Sroberto * notice, this list of conditions and the following disclaimer in the 1254359Sroberto * documentation and/or other materials provided with the distribution. 1354359Sroberto * 3. All advertising materials mentioning features or use of this software 1454359Sroberto * must display the following acknowledgement: 1554359Sroberto * This product includes software developed by Bill Paul. 1654359Sroberto * 4. Neither the name of the author nor the names of any co-contributors 1754359Sroberto * may be used to endorse or promote products derived from this software 1854359Sroberto * without specific prior written permission. 1954359Sroberto * 2054359Sroberto * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 2154359Sroberto * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2254359Sroberto * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2354359Sroberto * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 2454359Sroberto * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2554359Sroberto * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2654359Sroberto * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2754359Sroberto * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2854359Sroberto * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2954359Sroberto * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 3054359Sroberto * THE POSSIBILITY OF SUCH DAMAGE. 3154359Sroberto */ 3254359Sroberto 3354359Sroberto#include <sys/param.h> 3454359Sroberto#include <sys/ioctl.h> 3554359Sroberto#include <sys/socket.h> 3654359Sroberto#include <sys/sockio.h> 3754359Sroberto 3854359Sroberto#include <stdlib.h> 3954359Sroberto#include <unistd.h> 4054359Sroberto 4154359Sroberto#include <net/ethernet.h> 4254359Sroberto#include <net/if.h> 4354359Sroberto#include <net/if_var.h> 4454359Sroberto#include <net/if_vlan_var.h> 4554359Sroberto#include <net/route.h> 4654359Sroberto 4754359Sroberto#include <ctype.h> 4854359Sroberto#include <stdio.h> 4954359Sroberto#include <string.h> 5054359Sroberto#include <stdlib.h> 5154359Sroberto#include <unistd.h> 5254359Sroberto#include <err.h> 5354359Sroberto#include <errno.h> 5454359Sroberto 5554359Sroberto#include "ifconfig.h" 5654359Sroberto 5754359Sroberto#ifndef lint 5854359Srobertostatic const char rcsid[] = 5954359Sroberto "$FreeBSD: releng/10.3/sbin/ifconfig/ifvlan.c 289986 2015-10-26 03:43:28Z ngie $"; 6054359Sroberto#endif 6154359Sroberto 6254359Sroberto#define NOTAG ((u_short) -1) 6354359Sroberto 6454359Srobertostatic struct vlanreq params = { 6554359Sroberto .vlr_tag = NOTAG, 6654359Sroberto}; 6754359Sroberto 6854359Srobertostatic int 6954359Srobertogetvlan(int s, struct ifreq *ifr, struct vlanreq *vreq) 7054359Sroberto{ 7154359Sroberto bzero((char *)vreq, sizeof(*vreq)); 7254359Sroberto ifr->ifr_data = (caddr_t)vreq; 7354359Sroberto 7454359Sroberto return ioctl(s, SIOCGETVLAN, (caddr_t)ifr); 7554359Sroberto} 7654359Sroberto 7754359Srobertostatic void 7854359Srobertovlan_status(int s) 7954359Sroberto{ 8054359Sroberto struct vlanreq vreq; 8154359Sroberto 8254359Sroberto if (getvlan(s, &ifr, &vreq) != -1) 8354359Sroberto printf("\tvlan: %d parent interface: %s\n", 8454359Sroberto vreq.vlr_tag, vreq.vlr_parent[0] == '\0' ? 8554359Sroberto "<none>" : vreq.vlr_parent); 8654359Sroberto} 8754359Sroberto 8854359Srobertostatic void 8954359Srobertovlan_create(int s, struct ifreq *ifr) 9054359Sroberto{ 9154359Sroberto if (params.vlr_tag != NOTAG || params.vlr_parent[0] != '\0') { 9254359Sroberto /* 9354359Sroberto * One or both parameters were specified, make sure both. 9454359Sroberto */ 9554359Sroberto if (params.vlr_tag == NOTAG) 9654359Sroberto errx(1, "must specify a tag for vlan create"); 9754359Sroberto if (params.vlr_parent[0] == '\0') 9854359Sroberto errx(1, "must specify a parent device for vlan create"); 9954359Sroberto ifr->ifr_data = (caddr_t) ¶ms; 10054359Sroberto } 10154359Sroberto if (ioctl(s, SIOCIFCREATE2, ifr) < 0) 10254359Sroberto err(1, "SIOCIFCREATE2"); 10354359Sroberto} 10454359Sroberto 10554359Srobertostatic void 10654359Srobertovlan_cb(int s, void *arg) 10754359Sroberto{ 10854359Sroberto if ((params.vlr_tag != NOTAG) ^ (params.vlr_parent[0] != '\0')) 10954359Sroberto errx(1, "both vlan and vlandev must be specified"); 11054359Sroberto} 11154359Sroberto 11254359Srobertostatic void 11354359Srobertovlan_set(int s, struct ifreq *ifr) 11454359Sroberto{ 11554359Sroberto if (params.vlr_tag != NOTAG && params.vlr_parent[0] != '\0') { 11654359Sroberto ifr->ifr_data = (caddr_t) ¶ms; 11754359Sroberto if (ioctl(s, SIOCSETVLAN, (caddr_t)ifr) == -1) 11854359Sroberto err(1, "SIOCSETVLAN"); 11954359Sroberto } 12054359Sroberto} 12154359Sroberto 12254359Srobertostatic 12354359SrobertoDECL_CMD_FUNC(setvlantag, val, d) 12454359Sroberto{ 12554359Sroberto struct vlanreq vreq; 12654359Sroberto u_long ul; 12754359Sroberto char *endp; 12854359Sroberto 12954359Sroberto ul = strtoul(val, &endp, 0); 13054359Sroberto if (*endp != '\0') 13154359Sroberto errx(1, "invalid value for vlan"); 13254359Sroberto params.vlr_tag = ul; 13354359Sroberto /* check if the value can be represented in vlr_tag */ 13454359Sroberto if (params.vlr_tag != ul) 13554359Sroberto errx(1, "value for vlan out of range"); 13654359Sroberto 13754359Sroberto if (getvlan(s, &ifr, &vreq) != -1) 13854359Sroberto vlan_set(s, &ifr); 13954359Sroberto} 14054359Sroberto 14154359Srobertostatic 14254359SrobertoDECL_CMD_FUNC(setvlandev, val, d) 14354359Sroberto{ 14454359Sroberto struct vlanreq vreq; 14554359Sroberto 14654359Sroberto strlcpy(params.vlr_parent, val, sizeof(params.vlr_parent)); 14754359Sroberto 14854359Sroberto if (getvlan(s, &ifr, &vreq) != -1) 14954359Sroberto vlan_set(s, &ifr); 15054359Sroberto} 15154359Sroberto 15254359Srobertostatic 15354359SrobertoDECL_CMD_FUNC(unsetvlandev, val, d) 15454359Sroberto{ 15554359Sroberto struct vlanreq vreq; 15654359Sroberto 15754359Sroberto bzero((char *)&vreq, sizeof(struct vlanreq)); 15854359Sroberto ifr.ifr_data = (caddr_t)&vreq; 15954359Sroberto 16054359Sroberto if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 16154359Sroberto err(1, "SIOCGETVLAN"); 16254359Sroberto 16354359Sroberto bzero((char *)&vreq.vlr_parent, sizeof(vreq.vlr_parent)); 16454359Sroberto vreq.vlr_tag = 0; 16554359Sroberto 16654359Sroberto if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 16754359Sroberto err(1, "SIOCSETVLAN"); 16854359Sroberto} 16954359Sroberto 17054359Srobertostatic struct cmd vlan_cmds[] = { 17154359Sroberto DEF_CLONE_CMD_ARG("vlan", setvlantag), 17254359Sroberto DEF_CLONE_CMD_ARG("vlandev", setvlandev), 17354359Sroberto /* NB: non-clone cmds */ 17454359Sroberto DEF_CMD_ARG("vlan", setvlantag), 17554359Sroberto DEF_CMD_ARG("vlandev", setvlandev), 17654359Sroberto /* XXX For compatibility. Should become DEF_CMD() some day. */ 17754359Sroberto DEF_CMD_OPTARG("-vlandev", unsetvlandev), 17854359Sroberto DEF_CMD("vlanmtu", IFCAP_VLAN_MTU, setifcap), 17954359Sroberto DEF_CMD("-vlanmtu", -IFCAP_VLAN_MTU, setifcap), 18054359Sroberto DEF_CMD("vlanhwtag", IFCAP_VLAN_HWTAGGING, setifcap), 18154359Sroberto DEF_CMD("-vlanhwtag", -IFCAP_VLAN_HWTAGGING, setifcap), 18254359Sroberto DEF_CMD("vlanhwfilter", IFCAP_VLAN_HWFILTER, setifcap), 18354359Sroberto DEF_CMD("-vlanhwfilter", -IFCAP_VLAN_HWFILTER, setifcap), 18454359Sroberto DEF_CMD("-vlanhwtso", -IFCAP_VLAN_HWTSO, setifcap), 18554359Sroberto DEF_CMD("vlanhwtso", IFCAP_VLAN_HWTSO, setifcap), 18654359Sroberto DEF_CMD("vlanhwcsum", IFCAP_VLAN_HWCSUM, setifcap), 18754359Sroberto DEF_CMD("-vlanhwcsum", -IFCAP_VLAN_HWCSUM, setifcap), 18854359Sroberto}; 18954359Srobertostatic struct afswtch af_vlan = { 19054359Sroberto .af_name = "af_vlan", 19154359Sroberto .af_af = AF_UNSPEC, 19254359Sroberto .af_other_status = vlan_status, 19354359Sroberto}; 19454359Sroberto 19554359Srobertostatic __constructor void 19654359Srobertovlan_ctor(void) 19754359Sroberto{ 19854359Sroberto size_t i; 19954359Sroberto 20054359Sroberto for (i = 0; i < nitems(vlan_cmds); i++) 20154359Sroberto cmd_register(&vlan_cmds[i]); 20254359Sroberto af_register(&af_vlan); 20354359Sroberto callback_register(vlan_cb, NULL); 20454359Sroberto clone_setdefcallback("vlan", vlan_create); 20554359Sroberto} 20654359Sroberto