--- zzzz-none-000/linux-2.6.13.1/net/socket.c	2005-09-10 02:42:58.000000000 +0000
+++ ohio-7170-487/linux-2.6.13.1/net/socket.c	2007-02-02 11:39:44.000000000 +0000
@@ -833,6 +833,7 @@
 	struct socket *sock;
 	void __user *argp = (void __user *)arg;
 	int pid, err;
+	unsigned long tc_index;
 
 	sock = SOCKET_I(file->f_dentry->d_inode);
 	if (cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) {
@@ -896,6 +897,19 @@
 				up(&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);
 			break;