fix brctl on linux 2.4

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13194 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/busybox/patches/802-brctl_linux24.patch b/package/busybox/patches/802-brctl_linux24.patch
new file mode 100644 (file)
index 0000000..6d6dbc7
--- /dev/null
+++ b/package/busybox/patches/802-brctl_linux24.patch
@@ -0,0 +1,74 @@
+--- a/networking/brctl.c
++++ b/networking/brctl.c
+@@ -18,7 +18,7 @@
+ 
+ /* 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.  */
+@@ -155,6 +155,7 @@ int brctl_main(int argc ATTRIBUTE_UNUSED
+                               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);
+@@ -183,9 +184,19 @@ int brctl_main(int argc ATTRIBUTE_UNUSED
+               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;
+               }
+ 
+@@ -194,14 +205,27 @@ int brctl_main(int argc ATTRIBUTE_UNUSED
+ 
+               strncpy(ifr.ifr_name, br, IFNAMSIZ);
+               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