--- zzzz-none-000/linux-2.6.32.61/net/socket.c	2013-06-10 09:43:48.000000000 +0000
+++ virian-300e-630/linux-2.6.32.61/net/socket.c	2013-10-22 16:49:27.000000000 +0000
@@ -898,6 +898,7 @@
 	void __user *argp = (void __user *)arg;
 	int pid, err;
 	struct net *net;
+    unsigned long tc_index;
 
 	sock = file->private_data;
 	sk = sock->sk;
@@ -958,6 +959,19 @@
 				err = dlci_ioctl_hook(cmd, argp);
 			mutex_unlock(&dlci_ioctl_mutex);
 			break;
+
+        case SIOCSET_TC_INDEX:
+            err = -EFAULT;
+            if (get_user(tc_index, (unsigned long __user *)argp))
+                break;
+            sock->sk->sk_tc_index = tc_index;
+            err = 0;
+            break;
+
+        case SIOCGET_TC_INDEX:
+            err = put_user(sock->sk->sk_tc_index, (unsigned long __user *)argp);
+            break;
+
 		default:
 			err = sock->ops->ioctl(sock, cmd, arg);