/* $NetBSD: brconfig.c,v 1.17 2015/06/01 06:15:18 matt Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Jason R. Thorpe for Wasabi Systems, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* brconfig(8) --
*
* Configuration utility for the bridge(4) driver.
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: brconfig.c,v 1.17 2015/06/01 06:15:18 matt Exp $");
#endif
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <net/if_ether.h>
#include <net/if_bridgevar.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ifaddrs.h>
struct command {
const char *cmd_keyword;
int cmd_argcnt;
int cmd_flags;
void (*cmd_func)(const struct command *, int, const char *,
char **);
};
#define CMD_INVERT 0x01 /* "invert" the sense of the command */
static void cmd_add(const struct command *, int, const char *, char **);
static void cmd_delete(const struct command *, int, const char *, char **);
static void cmd_up(const struct command *, int, const char *, char **);
static void cmd_down(const struct command *, int, const char *, char **);
static void cmd_discover(const struct command *, int, const char *, char **);
static void cmd_learn(const struct command *, int, const char *, char **);
static void cmd_flush(const struct command *, int, const char *, char **);
static void cmd_flushall(const struct command *, int, const char *, char **);
static void cmd_static(const struct command *, int, const char *, char **);
static void cmd_deladdr(const struct command *, int, const char *, char **);
static void cmd_addr(const struct command *, int, const char *, char **);
static void cmd_maxaddr(const struct command *, int, const char *, char **);
static void cmd_hellotime(const struct command *, int, const char *, char **);
static void cmd_fwddelay(const struct command *, int, const char *, char **);
static void cmd_maxage(const struct command *, int, const char *, char **);
static void cmd_priority(const struct command *, int, const char *, char **);
static void cmd_ifpriority(const struct command *, int, const char *, char **);
static void cmd_ifpathcost(const struct command *, int, const char *, char **);
static void cmd_timeout(const struct command *, int, const char *, char **);
static void cmd_stp(const struct command *, int, const char *, char **);
static void cmd_ipf(const struct command *, int, const char *, char **);
static const struct command command_table[] = {
{ "add", 1, 0, cmd_add },
{ "delete", 1, 0, cmd_delete },
{ "up", 0, 0, cmd_up },
{ "down", 0, 0, cmd_down },
{ "discover", 1, 0, cmd_discover },
{ "-discover", 1, CMD_INVERT, cmd_discover },
{ "learn", 1, 0, cmd_learn },
{ "-learn", 1, CMD_INVERT, cmd_learn },
{ "flush", 0, 0, cmd_flush },
{ "flushall", 0, 0, cmd_flushall },
{ "static", 2, 0, cmd_static },
{ "deladdr", 1, 0, cmd_deladdr },
{ "addr", 0, 0, cmd_addr },
{ "maxaddr", 1, 0, cmd_maxaddr },
{ "hellotime", 1, 0, cmd_hellotime },
{ "fwddelay", 1, 0, cmd_fwddelay },
{ "maxage", 1, 0, cmd_maxage },
{ "priority", 1, 0, cmd_priority },
{ "ifpriority", 2, 0, cmd_ifpriority },
{ "ifpathcost", 2, 0, cmd_ifpathcost },
{ "timeout", 1, 0, cmd_timeout },
{ "stp", 1, 0, cmd_stp },
{ "-stp", 1, CMD_INVERT, cmd_stp },
{ "ipf", 0, 0, cmd_ipf },
{ "-ipf", 0, CMD_INVERT, cmd_ipf },
{ NULL, 0, 0, NULL },
};
static void printall(int);
static void status(int, const char *);
static int is_bridge(const char *);
static void show_config(int, const char *, const char *);
static void show_interfaces(int, const char *, const char *);
static void show_addresses(int, const char *, const char *);
static int get_val(const char *, u_long *);
#define do_cmd(a,b,c,d,e,f) do_cmd2((a),(b),(c),(d),(e),NULL,(f))
static int do_cmd2(int, const char *, u_long, void *, size_t, size_t *, int);
static void do_ifflag(int, const char *, int, int);
static void do_bridgeflag(int, const char *, const char *, int, int);
static void printb(const char *, u_int, const char *);
__dead static void usage(void);
static int aflag;
static struct ifreq g_ifr;
static int g_ifr_updated;
int
main(int argc, char *argv[])
{
const struct command *cmd;
char *bridge;
int sock, ch;
if (argc < 2)
usage();
sock = socket(AF_INET, SOCK_DGRAM, 0);
if (sock < 0)
err(1, "socket");
while ((ch = getopt(argc, argv, "a")) != -1) {
switch (ch) {
case 'a':
aflag = 1;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (aflag) {
if (argc != 0)
usage();
printall(sock);
exit(0);
}
if (argc == 0)
usage();
bridge = argv[0];
if (is_bridge(bridge) == 0)
errx(1, "%s is not a bridge", bridge);
/* Get a copy of the interface flags. */
strlcpy(g_ifr.ifr_name, bridge, sizeof(g_ifr.ifr_name));
if (ioctl(sock, SIOCGIFFLAGS, &g_ifr) < 0)
err(1, "unable to get interface flags");
argc--;
argv++;
if (argc == 0) {
status(sock, bridge);
exit(0);
}
while (argc != 0) {
for (cmd = command_table; cmd->cmd_keyword != NULL; cmd++) {
if (strcmp(cmd->cmd_keyword, argv[0]) == 0)
break;
}
if (cmd->cmd_keyword == NULL)
errx(1, "unknown command: %s", argv[0]);
argc--;
argv++;
if (argc < cmd->cmd_argcnt)
errx(1, "command %s requires %d argument%s",
cmd->cmd_keyword, cmd->cmd_argcnt,
cmd->cmd_argcnt == 1 ? "" : "s");
(*cmd->cmd_func)(cmd, sock, bridge, argv);
argc -= cmd->cmd_argcnt;
argv += cmd->cmd_argcnt;
}
/* If the flags changed, update them. */
if (g_ifr_updated && ioctl(sock, SIOCSIFFLAGS, &g_ifr) < 0)
err(1, "unable to set interface flags");
exit (0);
}
static void
usage(void)
{
static const char *usage_strings[] = {
"-a",
"<bridge>",
"<bridge> up|down",
"<bridge> addr",
"<bridge> add <interface>",
"<bridge> delete <interface>",
"<bridge> maxaddr <size>",
"<bridge> timeout <time>",
"<bridge> static <interface> <address>",
"<bridge> deladdr <address>",
"<bridge> flush",
"<bridge> flushall",
"<bridge> ipf|-ipf",
"<bridge> discover|-discover <interface>",
"<bridge> learn|-learn <interface>",
"<bridge> stp|-stp <interface>",
"<bridge> maxage <time>",
"<bridge> fwddelay <time>",
"<bridge> hellotime <time>",
"<bridge> priority <value>",
"<bridge> ifpriority <interface> <value>",
"<bridge> ifpathcost <interface> <value>",
NULL,
};
extern const char *__progname;
int i;
for (i = 0; usage_strings[i] != NULL; i++)
fprintf(stderr, "%s %s %s\n",
i == 0 ? "usage:" : " ",
__progname, usage_strings[i]);
exit(1);
}
static int
is_bridge(const char *bridge)
{
if (strncmp(bridge, "bridge", 6) != 0 ||
isdigit((unsigned char)bridge[6]) == 0)
return (0);
return (1);
}
static void
printb(const char *s, u_int v, const char *bits)
{
int i, any = 0;
char c;
if (bits && *bits == 8)
printf("%s=%o", s, v);
else
printf("%s=%x", s, v);
if (bits) {
bits++;
putchar('<');
while ((i = *bits++) != 0) {
if (v & (1 << (i-1))) {
if (any)
putchar(',');
any = 1;
for (; (c = *bits) > 32; bits++)
putchar(c);
} else
for (; *bits > 32; bits++)
;
}
putchar('>');
}
}
static void
printall(int sock)
{
struct ifaddrs *ifap, *ifa;
char *p;
if (getifaddrs(&ifap) != 0)
err(1, "getifaddrs");
p = NULL;
for (ifa = ifap; ifa != NULL; ifa = ifa->ifa_next) {
if (is_bridge(ifa->ifa_name) == 0)
continue;
if (p != NULL && strcmp(p, ifa->ifa_name) == 0)
continue;
p = ifa->ifa_name;
status(sock, ifa->ifa_name);
}
freeifaddrs(ifap);
}
static void
status(int sock, const char *bridge)
{
struct ifreq ifr;
struct ifbrparam bp1, bp2;
memset(&ifr, 0, sizeof(ifr));
strlcpy(ifr.ifr_name, bridge, sizeof(ifr.ifr_name));
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0)
err(1, "unable to get flags");
printf("%s: ", bridge);
printb("flags", ifr.ifr_flags, IFFBITS);
printf("\n");
printf("\tConfiguration:\n");
show_config(sock, bridge, "\t\t");
printf("\tInterfaces:\n");
show_interfaces(sock, bridge, "\t\t");
if (do_cmd(sock, bridge, BRDGGCACHE, &bp1, sizeof(bp1), 0) < 0)
err(1, "unable to get address cache size");
if (do_cmd(sock, bridge, BRDGGTO, &bp2, sizeof(bp2), 0) < 0)
err(1, "unable to get address timeout");
printf("\tAddress cache (max cache: %u, timeout: %u):\n",
bp1.ifbrp_csize, bp2.ifbrp_ctime);
show_addresses(sock, bridge, "\t\t");
}
static void
show_config(int sock, const char *bridge, const char *prefix)
{
struct ifbrparam param;
u_int32_t ipfflags;
u_int16_t pri;
u_int8_t ht, fd, ma;
if (do_cmd(sock, bridge, BRDGGPRI, ¶m, sizeof(param), 0) < 0)
err(1, "unable to get bridge priority");
pri = param.ifbrp_prio;
if (do_cmd(sock, bridge, BRDGGHT, ¶m, sizeof(param), 0) < 0)
err(1, "unable to get hellotime");
ht = param.ifbrp_hellotime;
if (do_cmd(sock, bridge, BRDGGFD, ¶m, sizeof(param), 0) < 0)
err(1, "unable to get forward delay");
fd = param.ifbrp_fwddelay;
if (do_cmd(sock, bridge, BRDGGMA, ¶m, sizeof(param), 0) < 0)
err(1, "unable to get max age");
ma = param.ifbrp_maxage;
printf("%spriority %u hellotime %u fwddelay %u maxage %u\n",
prefix, pri, ht, fd, ma);
if (do_cmd(sock, bridge, BRDGGFILT, ¶m, sizeof(param), 0) < 0) {
/* err(1, "unable to get ipfilter status"); */
param.ifbrp_filter = 0;
}
ipfflags = param.ifbrp_filter;
printf("%sipfilter %s flags 0x%x\n", prefix,
(ipfflags & IFBF_FILT_USEIPF) ? "enabled" : "disabled",
ipfflags);
}
static void
show_interfaces(int sock, const char *bridge, const char *prefix)
{
static const char stpstates[][11] = {
"disabled",
"listening",
"learning",
"forwarding",
"blocking",
};
struct ifbreq *req;
char *inbuf = NULL, *ninbuf;
size_t len = 8192, nlen;
do {
nlen = len;
ninbuf = realloc(inbuf, nlen);
if (ninbuf == NULL)
err(1, "unable to allocate interface buffer");
inbuf = ninbuf;
if (do_cmd2(sock, bridge, BRDGGIFS, inbuf, nlen, &len, 0) < 0)
err(1, "unable to get interface list");
} while (len > nlen);
for (size_t i = 0; i < len / sizeof(*req); i++) {
req = (struct ifbreq *)inbuf + i;
printf("%s%s ", prefix, req->ifbr_ifsname);
printb("flags", req->ifbr_ifsflags, IFBIFBITS);
printf("\n");
printf("%s\t", prefix);
printf("port %u priority %u",
req->ifbr_portno, req->ifbr_priority);
if (req->ifbr_ifsflags & IFBIF_STP) {
printf(" path cost %u", req->ifbr_path_cost);
if (req->ifbr_state <
sizeof(stpstates) / sizeof(stpstates[0]))
printf(" %s", stpstates[req->ifbr_state]);
else
printf(" <unknown state %d>",
req->ifbr_state);
}
printf("\n");
}
free(inbuf);
}
static void
show_addresses(int sock, const char *bridge, const char *prefix)
{
struct ifbareq *ifba;
char *inbuf = NULL, *ninbuf;
struct ether_addr ea;
size_t len = 8192, nlen;
do {
nlen = len;
ninbuf = realloc(inbuf, nlen);
if (ninbuf == NULL)
err(1, "unable to allocate address buffer");
inbuf = ninbuf;
if (do_cmd2(sock, bridge, BRDGRTS, inbuf, nlen, &len, 0) < 0)
err(1, "unable to get address cache");
} while (len > nlen);
for (size_t i = 0; i < len / sizeof(*ifba); i++) {
ifba = (struct ifbareq *)inbuf + i;
memcpy(ea.ether_addr_octet, ifba->ifba_dst,
sizeof(ea.ether_addr_octet));
printf("%s%s %s %jd ", prefix, ether_ntoa(&ea),
ifba->ifba_ifsname, (uintmax_t)ifba->ifba_expire);
printb("flags", ifba->ifba_flags, IFBAFBITS);
printf("\n");
}
free(inbuf);
}
static int
get_val(const char *cp, u_long *valp)
{
char *endptr;
u_long val;
errno = 0;
val = strtoul(cp, &endptr, 0);
if (cp[0] == '\0' || endptr[0] != '\0' || errno == ERANGE)
return (-1);
*valp = val;
return (0);
}
static int
do_cmd2(int sock, const char *bridge, u_long op, void *arg, size_t argsize,
size_t *outsizep, int set)
{
struct ifdrv ifd;
int error;
memset(&ifd, 0, sizeof(ifd));
strlcpy(ifd.ifd_name, bridge, sizeof(ifd.ifd_name));
ifd.ifd_cmd = op;
ifd.ifd_len = argsize;
ifd.ifd_data = arg;
error = ioctl(sock, set ? SIOCSDRVSPEC : SIOCGDRVSPEC, &ifd);
if (outsizep)
*outsizep = ifd.ifd_len;
return error;
}
static void
do_ifflag(int sock, const char *bridge, int flag, int set)
{
if (set)
g_ifr.ifr_flags |= flag;
else
g_ifr.ifr_flags &= ~flag;
g_ifr_updated = 1;
}
static void
do_bridgeflag(int sock, const char *bridge, const char *ifs, int flag,
int set)
{
struct ifbreq req;
strlcpy(req.ifbr_ifsname, ifs, sizeof(req.ifbr_ifsname));
if (do_cmd(sock, bridge, BRDGGIFFLGS, &req, sizeof(req), 0) < 0)
err(1, "unable to get bridge flags");
if (set)
req.ifbr_ifsflags |= flag;
else
req.ifbr_ifsflags &= ~flag;
if (do_cmd(sock, bridge, BRDGSIFFLGS, &req, sizeof(req), 1) < 0)
err(1, "unable to set bridge flags");
}
static void
cmd_add(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbreq req;
memset(&req, 0, sizeof(req));
strlcpy(req.ifbr_ifsname, argv[0], sizeof(req.ifbr_ifsname));
if (do_cmd(sock, bridge, BRDGADD, &req, sizeof(req), 1) < 0)
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
}
static void
cmd_delete(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbreq req;
memset(&req, 0, sizeof(req));
strlcpy(req.ifbr_ifsname, argv[0], sizeof(req.ifbr_ifsname));
if (do_cmd(sock, bridge, BRDGDEL, &req, sizeof(req), 1) < 0)
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
}
static void
cmd_up(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
do_ifflag(sock, bridge, IFF_UP, 1);
}
static void
cmd_down(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
do_ifflag(sock, bridge, IFF_UP, 0);
}
static void
cmd_discover(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
do_bridgeflag(sock, bridge, argv[0], IFBIF_DISCOVER,
(cmd->cmd_flags & CMD_INVERT) ? 0 : 1);
}
static void
cmd_learn(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
do_bridgeflag(sock, bridge, argv[0], IFBIF_LEARNING,
(cmd->cmd_flags & CMD_INVERT) ? 0 : 1);
}
static void
cmd_stp(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
do_bridgeflag(sock, bridge, argv[0], IFBIF_STP,
(cmd->cmd_flags & CMD_INVERT) ? 0 : 1);
}
static void
cmd_flush(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbreq req;
memset(&req, 0, sizeof(req));
req.ifbr_ifsflags = IFBF_FLUSHDYN;
if (do_cmd(sock, bridge, BRDGFLUSH, &req, sizeof(req), 1) < 0)
err(1, "%s", cmd->cmd_keyword);
}
static void
cmd_flushall(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbreq req;
memset(&req, 0, sizeof(req));
req.ifbr_ifsflags = IFBF_FLUSHALL;
if (do_cmd(sock, bridge, BRDGFLUSH, &req, sizeof(req), 1) < 0)
err(1, "%s", cmd->cmd_keyword);
}
static void
cmd_static(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbareq req;
struct ether_addr *ea;
memset(&req, 0, sizeof(req));
strlcpy(req.ifba_ifsname, argv[0], sizeof(req.ifba_ifsname));
ea = ether_aton(argv[1]);
if (ea == NULL)
errx(1, "%s: invalid address: %s", cmd->cmd_keyword, argv[1]);
memcpy(req.ifba_dst, ea->ether_addr_octet, sizeof(req.ifba_dst));
req.ifba_flags = IFBAF_STATIC;
if (do_cmd(sock, bridge, BRDGSADDR, &req, sizeof(req), 1) < 0)
err(1, "%s %s %s", cmd->cmd_keyword, argv[0], argv[1]);
}
static void
cmd_deladdr(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbareq req;
struct ether_addr *ea;
memset(&req, 0, sizeof(req));
ea = ether_aton(argv[0]);
if (ea == NULL)
errx(1, "%s: invalid address: %s", cmd->cmd_keyword, argv[0]);
memcpy(req.ifba_dst, ea->ether_addr_octet, sizeof(req.ifba_dst));
if (do_cmd(sock, bridge, BRDGDADDR, &req, sizeof(req), 1) < 0)
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
}
static void
cmd_addr(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
show_addresses(sock, bridge, "\t");
}
static void
cmd_maxaddr(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbrparam param;
u_long val;
if (get_val(argv[0], &val) < 0 || (val & ~0xffffffff) != 0)
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[0]);
param.ifbrp_csize = val & 0xffffffff;
if (do_cmd(sock, bridge, BRDGSCACHE, ¶m, sizeof(param), 1) < 0)
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
}
static void
cmd_hellotime(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbrparam param;
u_long val;
if (get_val(argv[0], &val) < 0 || (val & ~0xff) != 0)
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[0]);
param.ifbrp_hellotime = val & 0xff;
if (do_cmd(sock, bridge, BRDGSHT, ¶m, sizeof(param), 1) < 0)
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
}
static void
cmd_fwddelay(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbrparam param;
u_long val;
if (get_val(argv[0], &val) < 0 || (val & ~0xff) != 0)
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[0]);
param.ifbrp_fwddelay = val & 0xff;
if (do_cmd(sock, bridge, BRDGSFD, ¶m, sizeof(param), 1) < 0)
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
}
static void
cmd_maxage(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbrparam param;
u_long val;
if (get_val(argv[0], &val) < 0 || (val & ~0xff) != 0)
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[0]);
param.ifbrp_maxage = val & 0xff;
if (do_cmd(sock, bridge, BRDGSMA, ¶m, sizeof(param), 1) < 0)
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
}
static void
cmd_priority(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbrparam param;
u_long val;
if (get_val(argv[0], &val) < 0 || (val & ~0xffff) != 0)
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[0]);
param.ifbrp_prio = val & 0xffff;
if (do_cmd(sock, bridge, BRDGSPRI, ¶m, sizeof(param), 1) < 0)
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
}
static void
cmd_ifpriority(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbreq req;
u_long val;
memset(&req, 0, sizeof(req));
if (get_val(argv[1], &val) < 0 || (val & ~0xff) != 0)
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[1]);
strlcpy(req.ifbr_ifsname, argv[0], sizeof(req.ifbr_ifsname));
req.ifbr_priority = val & 0xff;
if (do_cmd(sock, bridge, BRDGSIFPRIO, &req, sizeof(req), 1) < 0)
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
}
static void
cmd_ifpathcost(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbreq req;
u_long val;
memset(&req, 0, sizeof(req));
if (get_val(argv[1], &val) < 0 || (val & ~0xff) != 0)
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[1]);
strlcpy(req.ifbr_ifsname, argv[0], sizeof(req.ifbr_ifsname));
req.ifbr_path_cost = val & 0xffff;
if (do_cmd(sock, bridge, BRDGSIFCOST, &req, sizeof(req), 1) < 0)
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
}
static void
cmd_timeout(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbrparam param;
u_long val;
if (get_val(argv[0], &val) < 0 || (val & ~0xffffffff) != 0)
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[0]);
param.ifbrp_ctime = val & 0xffffffff;
if (do_cmd(sock, bridge, BRDGSTO, ¶m, sizeof(param), 1) < 0)
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
}
static void
cmd_ipf(const struct command *cmd, int sock, const char *bridge,
char **argv)
{
struct ifbrparam param;
if (do_cmd(sock, bridge, BRDGGFILT, ¶m, sizeof(param), 0) < 0)
err(1, "%s", cmd->cmd_keyword);
param.ifbrp_filter &= ~IFBF_FILT_USEIPF;
param.ifbrp_filter |= (cmd->cmd_flags & CMD_INVERT) ? 0 : IFBF_FILT_USEIPF;
if (do_cmd(sock, bridge, BRDGSFILT, ¶m, sizeof(param), 1) < 0)
err(1, "%s %x", cmd->cmd_keyword, param.ifbrp_filter);
}