int brctl_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
static const char keywords[] ALIGN1 =
"addbr\0" "delbr\0" "addif\0" "delif\0"
USE_FEATURE_BRCTL_FANCY(
"stp\0"
"setageing\0" "setfd\0" "sethello\0" "setmaxage\0"
"setpathcost\0" "setportprio\0" "setbridgeprio\0"
)
USE_FEATURE_BRCTL_SHOW("showmacs\0" "show\0");
enum { ARG_addbr = 0, ARG_delbr, ARG_addif, ARG_delif
USE_FEATURE_BRCTL_FANCY(,
ARG_stp,
ARG_setageing, ARG_setfd, ARG_sethello, ARG_setmaxage,
ARG_setpathcost, ARG_setportprio, ARG_setbridgeprio
)
USE_FEATURE_BRCTL_SHOW(, ARG_showmacs, ARG_show)
};
int fd;
smallint key;
struct ifreq ifr;
char *br, *brif;
argv++;
while (*argv) {
#if ENABLE_FEATURE_BRCTL_FANCY
int ifidx[MAX_PORTS];
unsigned long args[4];
ifr.ifr_data = (char *) &args;
#endif
key = index_in_strings(keywords, *argv);
if (key == -1) /* no match found in keywords array, bail out. */
bb_error_msg_and_die(bb_msg_invalid_arg, *argv, applet_name);
argv++;
fd = xsocket(AF_INET, SOCK_STREAM, 0);
#if ENABLE_FEATURE_BRCTL_SHOW
if (key == ARG_show) { /* show */
char brname[IFNAMSIZ];
int bridx[MAX_PORTS];
int i, num;
arm_ioctl(args, BRCTL_GET_BRIDGES,
(unsigned long) bridx, MAX_PORTS);
num = xioctl(fd, SIOCGIFBR, args);
printf("bridge name\tbridge id\t\tSTP enabled\tinterfaces\n");
for (i = 0; i < num; i++) {
char ifname[IFNAMSIZ];
int j, tabs;
struct __bridge_info bi;
unsigned char *x;
if (!if_indextoname(bridx[i], brname))
bb_perror_msg_and_die("can't get bridge name for index %d", i);
strncpy(ifr.ifr_name, brname, IFNAMSIZ);
arm_ioctl(args, BRCTL_GET_BRIDGE_INFO,
(unsigned long) &bi, 0);
xioctl(fd, SIOCDEVPRIVATE, &ifr);
printf("%s\t\t", brname);
/* print bridge id */
x = (unsigned char *) &bi.bridge_id;
for (j = 0; j < 8; j++) {
printf("%.2x", x[j]);
if (j == 1)
bb_putchar('.');
}
printf(bi.stp_enabled ? "\tyes" : "\tno");
/* print interface list */
arm_ioctl(args, BRCTL_GET_PORT_LIST,
(unsigned long) ifidx, MAX_PORTS);
xioctl(fd, SIOCDEVPRIVATE, &ifr);
tabs = 0;
for (j = 0; j < MAX_PORTS; j++) {
if (!ifidx[j])
continue;
if (!if_indextoname(ifidx[j], ifname))
bb_perror_msg_and_die("can't get interface name for index %d", j);
if (tabs)
printf("\t\t\t\t\t");
else
tabs = 1;
printf("\t\t%s\n", ifname);
}
if (!tabs) /* bridge has no interfaces */
bb_putchar('\n');
}
goto done;
}
#endif
if (!*argv) /* all but 'show' need at least one argument */
bb_show_usage();
br = *argv++;
if (key == ARG_addbr || key == ARG_delbr) { /* addbr or delbr */
ioctl_or_perror_and_die(fd,
key == ARG_addbr ? SIOCBRADDBR : SIOCBRDELBR,
br, "bridge %s", br);
goto done;
}
if (!*argv) /* all but 'addif/delif' need at least two arguments */
bb_show_usage();
strncpy(ifr.ifr_name, br, IFNAMSIZ);
if (key == ARG_addif || key == ARG_delif) { /* addif or delif */
brif = *argv;
ifr.ifr_ifindex = if_nametoindex(brif);
if (!ifr.ifr_ifindex) {
bb_perror_msg_and_die("iface %s", brif);
}
ioctl_or_perror_and_die(fd,
key == ARG_addif ? SIOCBRADDIF : SIOCBRDELIF,
&ifr, "bridge %s", br);
goto done_next_argv;
}
#if ENABLE_FEATURE_BRCTL_FANCY
if (key == ARG_stp) { /* stp */
/* FIXME: parsing yes/y/on/1 versus no/n/off/0 is too involved */
arm_ioctl(args, BRCTL_SET_BRIDGE_STP_STATE,
(unsigned)(**argv - '0'), 0);
goto fire;
}
if ((unsigned)(key - ARG_setageing) < 4) { /* time related ops */
static const uint8_t ops[] ALIGN1 = {
BRCTL_SET_AGEING_TIME, /* ARG_setageing */
BRCTL_SET_BRIDGE_FORWARD_DELAY, /* ARG_setfd */
BRCTL_SET_BRIDGE_HELLO_TIME, /* ARG_sethello */
BRCTL_SET_BRIDGE_MAX_AGE /* ARG_setmaxage */
};
arm_ioctl(args, ops[key - ARG_setageing], str_to_jiffies(*argv), 0);
goto fire;
}
if (key == ARG_setpathcost
|| key == ARG_setportprio
|| key == ARG_setbridgeprio
) {
static const uint8_t ops[] ALIGN1 = {
BRCTL_SET_PATH_COST, /* ARG_setpathcost */
BRCTL_SET_PORT_PRIORITY, /* ARG_setportprio */
BRCTL_SET_BRIDGE_PRIORITY /* ARG_setbridgeprio */
};
int port = -1;
unsigned arg1, arg2;
if (key != ARG_setbridgeprio) {
/* get portnum */
unsigned i;
port = if_nametoindex(*argv++);
if (!port)
bb_error_msg_and_die(bb_msg_invalid_arg, *argv, "port");
memset(ifidx, 0, sizeof ifidx);
arm_ioctl(args, BRCTL_GET_PORT_LIST, (unsigned long)ifidx,
MAX_PORTS);
xioctl(fd, SIOCDEVPRIVATE, &ifr);
for (i = 0; i < MAX_PORTS; i++) {
if (ifidx[i] == port) {
port = i;
break;
}
}
}
arg1 = port;
arg2 = xatoi_u(*argv);
if (key == ARG_setbridgeprio) {
arg1 = arg2;
arg2 = 0;
}
arm_ioctl(args, ops[key - ARG_setpathcost], arg1, arg2);
}
fire:
/* Execute the previously set command */
xioctl(fd, SIOCDEVPRIVATE, &ifr);
#endif
done_next_argv:
argv++;
done:
close(fd);
}
return EXIT_SUCCESS;
}
int brctl_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
static const char keywords[] ALIGN1 =
"addbr\0" "delbr\0" "addif\0" "delif\0"
USE_FEATURE_BRCTL_FANCY(
"stp\0"
"setageing\0" "setfd\0" "sethello\0" "setmaxage\0"
"setpathcost\0" "setportprio\0" "setbridgeprio\0"
)
USE_FEATURE_BRCTL_SHOW("showmacs\0" "show\0");
enum { ARG_addbr = 0, ARG_delbr, ARG_addif, ARG_delif
USE_FEATURE_BRCTL_FANCY(,
ARG_stp,
ARG_setageing, ARG_setfd, ARG_sethello, ARG_setmaxage,
ARG_setpathcost, ARG_setportprio, ARG_setbridgeprio
)
USE_FEATURE_BRCTL_SHOW(, ARG_showmacs, ARG_show)
};
int fd;
smallint key;
struct ifreq ifr;
char *br, *brif;
#if ENABLE_FEATURE_BRCTL_FANCY
unsigned long args[4] = {0, 0, 0, 0};
int port;
int tmp;
#endif
argv++;
while (*argv) {
key = index_in_strings(keywords, *argv);
if (key == -1) /* no match found in keywords array, bail out. */
bb_error_msg_and_die(bb_msg_invalid_arg, *argv, applet_name);
argv++;
#if ENABLE_FEATURE_BRCTL_SHOW
if (key == ARG_show) { /* show */
goto out; /* FIXME: implement me! :) */
}
#endif
fd = xsocket(AF_INET, SOCK_STREAM, 0);
br = *argv++;
if (key == ARG_addbr || key == ARG_delbr) { /* addbr or delbr */
ioctl_or_perror_and_die(fd,
key == ARG_addbr ? SIOCBRADDBR : SIOCBRDELBR,
br, "bridge %s", br);
goto done;
}
if (!*argv) /* all but 'show' need at least one argument */
bb_show_usage();
safe_strncpy(ifr.ifr_name, br, IFNAMSIZ);
if (key == ARG_addif || key == ARG_delif) { /* addif or delif */
brif = *argv++;
ifr.ifr_ifindex = if_nametoindex(brif);
if (!ifr.ifr_ifindex) {
bb_perror_msg_and_die("iface %s", brif);
}
ioctl_or_perror_and_die(fd,
key == ARG_addif ? SIOCBRADDIF : SIOCBRDELIF,
&ifr, "bridge %s", br);
goto done;
}
#if ENABLE_FEATURE_BRCTL_FANCY
ifr.ifr_data = (char *) &args;
if (key == ARG_stp) { /* stp */
/* FIXME: parsing yes/y/on/1 versus no/n/off/0 is too involved */
arm_ioctl(args, BRCTL_SET_BRIDGE_STP_STATE,
(unsigned)(**argv - '0'), 0);
goto fire;
}
if ((unsigned)(key - ARG_stp) < 5) { /* time related ops */
unsigned long op = (key == ARG_setageing) ? BRCTL_SET_AGEING_TIME :
(key == ARG_setfd) ? BRCTL_SET_BRIDGE_FORWARD_DELAY :
(key == ARG_sethello) ? BRCTL_SET_BRIDGE_HELLO_TIME :
/*key == ARG_setmaxage*/ BRCTL_SET_BRIDGE_MAX_AGE;
arm_ioctl(args, op, str_to_jiffies(*argv), 0);
goto fire;
}
port = -1;
if (key == ARG_setpathcost || key == ARG_setportprio) {/* get portnum */
int ifidx[MAX_PORTS];
unsigned i;
port = if_nametoindex(*argv);
if (!port)
bb_error_msg_and_die(bb_msg_invalid_arg, *argv, "port");
argv++;
memset(ifidx, 0, sizeof ifidx);
arm_ioctl(args, BRCTL_GET_PORT_LIST, (unsigned long)ifidx,
MAX_PORTS);
xioctl(fd, SIOCDEVPRIVATE, &ifr);
for (i = 0; i < MAX_PORTS; i++) {
if (ifidx[i] == port) {
port = i;
break;
}
}
}
if (key == ARG_setpathcost
|| key == ARG_setportprio
|| key == ARG_setbridgeprio
) {
unsigned long op = (key == ARG_setpathcost) ? BRCTL_SET_PATH_COST :
(key == ARG_setportprio) ? BRCTL_SET_PORT_PRIORITY :
/*key == ARG_setbridgeprio*/ BRCTL_SET_BRIDGE_PRIORITY;
unsigned long arg1 = port;
unsigned long arg2;
# if BRCTL_USE_INTERNAL
tmp = xatoi(*argv);
# else
if (sscanf(*argv, "%i", &tmp) != 1)
bb_error_msg_and_die(bb_msg_invalid_arg, *argv,
key == ARG_setpathcost ? "cost" : "prio");
# endif
if (key == ARG_setbridgeprio) {
arg1 = tmp;
arg2 = 0;
} else
arg2 = tmp;
arm_ioctl(args, op, arg1, arg2);
}
fire:
/* Execute the previously set command. */
xioctl(fd, SIOCDEVPRIVATE, &ifr);
argv++;
#endif
done:
if (ENABLE_FEATURE_CLEAN_UP)
close(fd);
}
USE_FEATURE_BRCTL_SHOW(out:)
return EXIT_SUCCESS;
}