- implement brctl setpathcost, setportprio, setbridgeprio, stp
text data bss dec hex filename
907 20 0 927 39f networking/brctl.o
This commit is contained in:
Bernhard Reutner-Fischer
parent
c2f0de5eef
commit
2b11fb483e
@ -133,6 +133,10 @@ USE_FEATURE_BRCTL_FANCY("\n" \
|
||||
" setfd <bridge <time> set bridge forward delay\n" \
|
||||
" sethello <bridge <time> set hello time\n" \
|
||||
" setmaxage <bridge <time> set max message age\n" \
|
||||
" setpathcost <bridge <cost> set path cost\n" \
|
||||
" setportprio <bridge <prio> set port priority\n" \
|
||||
" setbridgeprio <bridge <prio> set bridge priority\n" \
|
||||
" stp <bridge> [1|0] turn stp on/off\n" \
|
||||
)
|
||||
#define bunzip2_trivial_usage \
|
||||
"[OPTION]... [FILE]"
|
||||
|
||||
@ -71,6 +71,7 @@ config FEATURE_BRCTL_FANCY
|
||||
setageing, setfd, sethello, setmaxage,
|
||||
setpathcost, setportprio, setbridgeprio,
|
||||
stp
|
||||
This adds about 600 bytes.
|
||||
|
||||
config DNSD
|
||||
bool "dnsd"
|
||||
|
||||
@ -4,6 +4,9 @@
|
||||
*
|
||||
* Copyright (C) 2008 by Bernhard Fischer
|
||||
*
|
||||
* Some helper functions from bridge-utils are
|
||||
* Copyright (C) 2000 Lennert Buytenhek
|
||||
*
|
||||
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
||||
*/
|
||||
/* This applet currently uses only the ioctl interface and no sysfs at all.
|
||||
@ -13,19 +16,21 @@
|
||||
#include <linux/sockios.h>
|
||||
#include <net/if.h>
|
||||
|
||||
/* Maximum number of ports supported per bridge interface. */
|
||||
#ifndef MAX_PORTS
|
||||
#define MAX_PORTS 32
|
||||
#endif
|
||||
|
||||
/* Use internal number parsing and not the "exact" conversion. */
|
||||
/* #define BRCTL_USE_INTERNAL 0 */ /* use exact conversion */
|
||||
#define BRCTL_USE_INTERNAL 1
|
||||
|
||||
#ifdef ENABLE_FEATURE_BRCTL_SHOW
|
||||
#error Remove these
|
||||
#endif
|
||||
#define ENABLE_FEATURE_BRCTL_SHOW 0
|
||||
#define USE_FEATURE_BRCTL_SHOW(...)
|
||||
#if 0
|
||||
#define ENABLE_FEATURE_BRCTL_FANCY 0
|
||||
#if ENABLE_FEATURE_BRCTL_FANCY
|
||||
#define USE_FEATURE_BRCTL_FANCY(...) __VA_ARGS__
|
||||
#else
|
||||
#define USE_FEATURE_BRCTL_FANCY(...)
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#if ENABLE_FEATURE_BRCTL_FANCY
|
||||
#include <linux/if_bridge.h>
|
||||
/* FIXME: These 4 funcs are not really clean and could be improved */
|
||||
@ -33,7 +38,11 @@ static inline ALWAYS_INLINE void strtotimeval(struct timeval *tv,
|
||||
const char *time_str)
|
||||
{
|
||||
double secs;
|
||||
#if BRCTL_USE_INTERNAL
|
||||
if (!(secs = /*bb_*/strtod(time_str, NULL)))
|
||||
#else
|
||||
if (sscanf(time_str, "%lf", &secs) != 1)
|
||||
#endif
|
||||
bb_error_msg_and_die (bb_msg_invalid_arg, time_str, "timespec");
|
||||
tv->tv_sec = secs;
|
||||
tv->tv_usec = 1000000 * (secs - tv->tv_sec);
|
||||
@ -47,7 +56,7 @@ static inline ALWAYS_INLINE unsigned long __tv_to_jiffies(const struct timeval *
|
||||
|
||||
return jif/10000;
|
||||
}
|
||||
# ifdef UNUSED && 00
|
||||
# if 00
|
||||
static void __jiffies_to_tv(struct timeval *tv, unsigned long jiffies)
|
||||
{
|
||||
unsigned long long tvusec;
|
||||
@ -63,6 +72,15 @@ static unsigned long str_to_jiffies(const char *time_str)
|
||||
strtotimeval(&tv, time_str);
|
||||
return __tv_to_jiffies(&tv);
|
||||
}
|
||||
|
||||
static void arm_ioctl(unsigned long *args,
|
||||
unsigned long arg0, unsigned long arg1, unsigned long arg2)
|
||||
{
|
||||
args[0] = arg0;
|
||||
args[1] = arg1;
|
||||
args[2] = arg2;
|
||||
args[3] = 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
@ -73,22 +91,27 @@ 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"
|
||||
"stp\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,
|
||||
ARG_stp
|
||||
ARG_setpathcost, ARG_setportprio, ARG_setbridgeprio
|
||||
)
|
||||
USE_FEATURE_BRCTL_SHOW(, ARG_showmacs, ARG_show) };
|
||||
smallint key;
|
||||
struct ifreq ifr;
|
||||
static char info[] = "bridge %s\0 iface %s";
|
||||
char *br;
|
||||
char *br, *brif;
|
||||
#if ENABLE_FEATURE_BRCTL_FANCY
|
||||
unsigned long args[4] = {0, 0, 0, 0};
|
||||
int port;
|
||||
int tmp;
|
||||
#endif
|
||||
|
||||
argv++;
|
||||
while (*argv) {
|
||||
@ -114,8 +137,6 @@ int brctl_main(int argc ATTRIBUTE_UNUSED, char **argv)
|
||||
bb_show_usage();
|
||||
safe_strncpy(ifr.ifr_name, br, IFNAMSIZ);
|
||||
if (key == ARG_addif || key == ARG_delif) { /* addif or delif */
|
||||
char *brif;
|
||||
|
||||
brif = *(argv++);
|
||||
if (!(ifr.ifr_ifindex = if_nametoindex(brif))) {
|
||||
bb_perror_msg_and_die(info+11, brif);
|
||||
@ -123,24 +144,74 @@ int brctl_main(int argc ATTRIBUTE_UNUSED, char **argv)
|
||||
ioctl_or_perror_and_die(fd,
|
||||
key == ARG_addif ? SIOCBRADDIF : SIOCBRDELIF,
|
||||
&ifr, info, br);
|
||||
goto done;
|
||||
}
|
||||
#if ENABLE_FEATURE_BRCTL_FANCY
|
||||
if (key - ARG_delif < 5) { /* time related ops */
|
||||
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 :
|
||||
-1/*will never be used */;
|
||||
unsigned long jiff = str_to_jiffies (*(argv++));
|
||||
unsigned long args[4] = {op, jiff, 0, 0};
|
||||
ifr.ifr_data = (char *) &args;
|
||||
xioctl(fd, SIOCDEVPRIVATE, &ifr);
|
||||
-1/* will never be used */;
|
||||
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;
|
||||
|
||||
if (!(port = if_nametoindex(*argv)))
|
||||
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 :
|
||||
-1/* will never be used */;
|
||||
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);
|
||||
}
|
||||
out:
|
||||
USE_FEATURE_BRCTL_SHOW(out:)
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user