1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
--- a/networking/brctl.c
+++ b/networking/brctl.c
@@ -32,7 +32,7 @@
/* Maximum number of ports supported per bridge interface. */
#ifndef MAX_PORTS
-#define MAX_PORTS 32
+#define MAX_PORTS 1024
#endif
/* Use internal number parsing and not the "exact" conversion. */
@@ -169,6 +169,7 @@ int brctl_main(int argc UNUSED_PARAM, ch
printf(bi.stp_enabled ? "\tyes" : "\tno");
/* print interface list */
+ memset(ifidx, 0, sizeof ifidx);
arm_ioctl(args, BRCTL_GET_PORT_LIST,
(unsigned long) ifidx, MAX_PORTS);
xioctl(fd, SIOCDEVPRIVATE, &ifr);
@@ -197,9 +198,19 @@ int brctl_main(int argc UNUSED_PARAM, ch
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);
+ int ret;
+ ret = ioctl(fd,
+ key == ARG_addbr ? SIOCBRADDBR : SIOCBRDELBR,
+ br);
+ if (ret < 0) {
+ arm_ioctl(args,
+ key == ARG_addbr ? BRCTL_ADD_BRIDGE : BRCTL_DEL_BRIDGE,
+ (unsigned long) br, 0);
+ ret = ioctl(fd, SIOCSIFBR, args);
+ }
+ if (ret < 0) {
+ bb_perror_msg_and_die("bridge %s", br);
+ }
goto done;
}
@@ -208,14 +219,27 @@ int brctl_main(int argc UNUSED_PARAM, ch
strncpy_IFNAMSIZ(ifr.ifr_name, br);
if (key == ARG_addif || key == ARG_delif) { /* addif or delif */
+ int ret;
+ int if_index;
brif = *argv;
- ifr.ifr_ifindex = if_nametoindex(brif);
- if (!ifr.ifr_ifindex) {
+ if_index = if_nametoindex(brif);
+ if (!if_index) {
bb_perror_msg_and_die("iface %s", brif);
}
- ioctl_or_perror_and_die(fd,
+ ifr.ifr_ifindex = if_index;
+ ret = ioctl(fd,
key == ARG_addif ? SIOCBRADDIF : SIOCBRDELIF,
- &ifr, "bridge %s", br);
+ &ifr);
+ if (ret < 0) {
+ arm_ioctl(args,
+ key == ARG_addif ? BRCTL_ADD_IF : BRCTL_DEL_IF,
+ if_index, 0);
+ ifr.ifr_data = (char *) &args;
+ ret = ioctl(fd, SIOCDEVPRIVATE, &ifr);
+ }
+ if (ret < 0) {
+ bb_perror_msg_and_die("bridge %s", br);
+ }
goto done_next_argv;
}
#if ENABLE_FEATURE_BRCTL_FANCY
|
