df57947f08
The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Special thanks to Wind River for providing access to "The Duke of Highlander" tool: an older (2014) run over FreeBSD tree was useful as a starting point. Initially, only tag files that use BSD 4-Clause "Original" license. RelNotes: yes Differential Revision: https://reviews.freebsd.org/D13133
232 lines
6.3 KiB
C
232 lines
6.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-4-Clause
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*
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* Copyright (c) 1999 Bill Paul <wpaul@ctr.columbia.edu>
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* Copyright (c) 2012 ADARA Networks, Inc.
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* All rights reserved.
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*
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* Portions of this software were developed by Robert N. M. Watson under
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* contract to ADARA Networks, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_vlan_var.h>
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#include <net/route.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <err.h>
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#include <errno.h>
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#include "ifconfig.h"
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#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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#endif
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#define NOTAG ((u_short) -1)
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static struct vlanreq params = {
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.vlr_tag = NOTAG,
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};
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static int
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getvlan(int s, struct ifreq *ifr, struct vlanreq *vreq)
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{
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bzero((char *)vreq, sizeof(*vreq));
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ifr->ifr_data = (caddr_t)vreq;
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return ioctl(s, SIOCGETVLAN, (caddr_t)ifr);
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}
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static void
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vlan_status(int s)
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{
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struct vlanreq vreq;
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if (getvlan(s, &ifr, &vreq) == -1)
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return;
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printf("\tvlan: %d", vreq.vlr_tag);
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if (ioctl(s, SIOCGVLANPCP, (caddr_t)&ifr) != -1)
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printf(" vlanpcp: %u", ifr.ifr_vlan_pcp);
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printf(" parent interface: %s", vreq.vlr_parent[0] == '\0' ?
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"<none>" : vreq.vlr_parent);
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printf("\n");
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}
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static void
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vlan_create(int s, struct ifreq *ifr)
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{
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if (params.vlr_tag != NOTAG || params.vlr_parent[0] != '\0') {
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/*
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* One or both parameters were specified, make sure both.
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*/
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if (params.vlr_tag == NOTAG)
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errx(1, "must specify a tag for vlan create");
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if (params.vlr_parent[0] == '\0')
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errx(1, "must specify a parent device for vlan create");
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ifr->ifr_data = (caddr_t) ¶ms;
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}
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if (ioctl(s, SIOCIFCREATE2, ifr) < 0)
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err(1, "SIOCIFCREATE2");
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}
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static void
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vlan_cb(int s, void *arg)
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{
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if ((params.vlr_tag != NOTAG) ^ (params.vlr_parent[0] != '\0'))
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errx(1, "both vlan and vlandev must be specified");
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}
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static void
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vlan_set(int s, struct ifreq *ifr)
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{
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if (params.vlr_tag != NOTAG && params.vlr_parent[0] != '\0') {
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ifr->ifr_data = (caddr_t) ¶ms;
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if (ioctl(s, SIOCSETVLAN, (caddr_t)ifr) == -1)
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err(1, "SIOCSETVLAN");
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}
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}
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static
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DECL_CMD_FUNC(setvlantag, val, d)
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{
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struct vlanreq vreq;
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u_long ul;
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char *endp;
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ul = strtoul(val, &endp, 0);
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if (*endp != '\0')
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errx(1, "invalid value for vlan");
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params.vlr_tag = ul;
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/* check if the value can be represented in vlr_tag */
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if (params.vlr_tag != ul)
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errx(1, "value for vlan out of range");
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if (getvlan(s, &ifr, &vreq) != -1)
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vlan_set(s, &ifr);
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}
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static
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DECL_CMD_FUNC(setvlandev, val, d)
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{
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struct vlanreq vreq;
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strlcpy(params.vlr_parent, val, sizeof(params.vlr_parent));
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if (getvlan(s, &ifr, &vreq) != -1)
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vlan_set(s, &ifr);
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}
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static
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DECL_CMD_FUNC(setvlanpcp, val, d)
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{
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u_long ul;
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char *endp;
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ul = strtoul(val, &endp, 0);
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if (*endp != '\0')
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errx(1, "invalid value for vlanpcp");
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if (ul > 7)
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errx(1, "value for vlanpcp out of range");
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ifr.ifr_vlan_pcp = ul;
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if (ioctl(s, SIOCSVLANPCP, (caddr_t)&ifr) == -1)
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err(1, "SIOCSVLANPCP");
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}
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static
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DECL_CMD_FUNC(unsetvlandev, val, d)
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{
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struct vlanreq vreq;
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bzero((char *)&vreq, sizeof(struct vlanreq));
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ifr.ifr_data = (caddr_t)&vreq;
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if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1)
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err(1, "SIOCGETVLAN");
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bzero((char *)&vreq.vlr_parent, sizeof(vreq.vlr_parent));
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vreq.vlr_tag = 0;
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if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1)
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err(1, "SIOCSETVLAN");
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}
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static struct cmd vlan_cmds[] = {
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DEF_CLONE_CMD_ARG("vlan", setvlantag),
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DEF_CLONE_CMD_ARG("vlandev", setvlandev),
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DEF_CMD_ARG("vlanpcp", setvlanpcp),
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/* NB: non-clone cmds */
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DEF_CMD_ARG("vlan", setvlantag),
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DEF_CMD_ARG("vlandev", setvlandev),
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/* XXX For compatibility. Should become DEF_CMD() some day. */
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DEF_CMD_OPTARG("-vlandev", unsetvlandev),
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DEF_CMD("vlanmtu", IFCAP_VLAN_MTU, setifcap),
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DEF_CMD("-vlanmtu", -IFCAP_VLAN_MTU, setifcap),
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DEF_CMD("vlanhwtag", IFCAP_VLAN_HWTAGGING, setifcap),
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DEF_CMD("-vlanhwtag", -IFCAP_VLAN_HWTAGGING, setifcap),
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DEF_CMD("vlanhwfilter", IFCAP_VLAN_HWFILTER, setifcap),
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DEF_CMD("-vlanhwfilter", -IFCAP_VLAN_HWFILTER, setifcap),
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DEF_CMD("-vlanhwtso", -IFCAP_VLAN_HWTSO, setifcap),
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DEF_CMD("vlanhwtso", IFCAP_VLAN_HWTSO, setifcap),
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DEF_CMD("vlanhwcsum", IFCAP_VLAN_HWCSUM, setifcap),
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DEF_CMD("-vlanhwcsum", -IFCAP_VLAN_HWCSUM, setifcap),
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};
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static struct afswtch af_vlan = {
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.af_name = "af_vlan",
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.af_af = AF_UNSPEC,
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.af_other_status = vlan_status,
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};
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static __constructor void
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vlan_ctor(void)
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{
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size_t i;
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for (i = 0; i < nitems(vlan_cmds); i++)
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cmd_register(&vlan_cmds[i]);
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af_register(&af_vlan);
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callback_register(vlan_cb, NULL);
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clone_setdefcallback("vlan", vlan_create);
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}
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