diff -urN linux-2.6.20.orig/include/linux/pkt_sched.h linux-2.6.20/include/linux/pkt_sched.h
--- linux-2.6.20.orig/include/linux/pkt_sched.h	2007-02-04 19:44:54.000000000 +0100
+++ linux-2.6.20/include/linux/pkt_sched.h	2007-02-09 09:38:50.000000000 +0100
@@ -23,6 +23,11 @@
 
 #define TC_PRIO_MAX			15
 
+#ifndef __KERNEL__
+#include <sys/time.h>
+#endif
+#include <linux/if_ether.h>
+
 /* Generic queue statistics, available for all the elements.
    Particular schedulers may have also their private records.
  */
@@ -466,4 +468,97 @@
 
 #define NETEM_DIST_SCALE	8192
 
+
+/* WRR section */
+
+/*
+ * A sub weight and of a class
+ * All numbers are represented as parts of (2^64-1).
+ */
+struct tc_wrr_class_weight {
+	__u64	val;	// Current value	(0 is not valid)
+	__u64	decr;	// Value pr bytes	(2^64-1 is not valid)
+	__u64	incr;	// Value pr seconds	(2^64-1 is not valid)
+	__u64	min;	// Minimal value	(0 is not valid)
+	__u64	max;	// Minimal value	(0 is not valid)
+	time_t	tim;	// The time where the above information was correct
+};
+
+/* Packet send when modifying a class */
+struct tc_wrr_class_modf {
+	/* Not-valid values are ignored */
+	struct tc_wrr_class_weight weight1;
+	struct tc_wrr_class_weight weight2;
+};
+
+/* Packet returned when quering a class */
+struct tc_wrr_class_stats {
+	char	used;			/* If this is false the information below is invalid */
+	struct tc_wrr_class_modf class_modf;
+	unsigned char addr[ETH_ALEN];
+	char	usemac;			/* True if addr is a MAC address, else it is an IP address
+					   (this value is only for convience, it is always the same
+					    value as in the qdisc) */
+	int	heappos;		/* Current heap position or 0 if not in heap */
+	__u64	penal_ls;		/* Penalty value in heap (ls) */
+	__u64	penal_ms;		/* Penalty value in heap (ms) */
+};
+
+/* Qdisc-wide penalty information (boolean values - 2 not valid) */
+struct tc_wrr_qdisc_weight {
+	signed char	weight_mode;	/* 0=No automatic change to weight
+					   1=Decrease normally
+					   2=Also multiply with number of machines
+					   3=Instead multiply with priority divided
+					     with priority of the other.
+					   -1=no change */
+};
+
+/* Packet send when modifing a qdisc */
+struct tc_wrr_qdisc_modf {
+	/* Not-valid values are ignored */
+	struct tc_wrr_qdisc_weight weight1;
+	struct tc_wrr_qdisc_weight weight2;
+};
+
+/* Packet send when creating a qdisc */
+struct tc_wrr_qdisc_crt {
+	struct tc_wrr_qdisc_modf qdisc_modf;
+	char	srcaddr;	/* 1=lookup source, 0=lookup destination */
+	char	usemac;		/* 1=Classify on MAC addresses, 0=classify on IP */
+	char	usemasq;	/* 1=Classify based on masqgrading - only valid
+				     if usemac is zero */
+	int	bands_max;	/* Maximal number of bands (i.e.: classes) */
+	int	proxy_maxconn;	/* If differnt from 0 then we support proxy remapping
+				   of packets. And this is the number of maximal
+				   concurrent proxy connections. */
+};
+
+/* Packet returned when quering a qdisc */
+struct tc_wrr_qdisc_stats {
+	struct tc_wrr_qdisc_crt qdisc_crt;
+	int	proxy_curconn;		     
+	int	nodes_in_heap;	/* Current number of bands wanting to send something */
+	int	bands_cur;	/* Current number of bands used (i.e.: MAC/IP addresses seen) */
+	int	bands_reused;	/* Number of times this band has been reused. */
+	int	packets_requed;	/* Number of times packets have been requeued. */
+	__u64	priosum;	/* Sum of priorities in heap where 1 is 2^32 */
+};
+
+struct tc_wrr_qdisc_modf_std {
+	char	proxy;		/* This indicates which of the tc_wrr_qdisc_modf structers this is. 0=This struct */
+	char	change_class;	/* Should we also change a class? */
+	struct tc_wrr_qdisc_modf qdisc_modf; /* Only valid if change_class is false */
+	unsigned char addr[ETH_ALEN]; /* Class to change (non-used bytes should be 0). Valid only of change_class is true */
+	struct tc_wrr_class_modf class_modf; /* The change */
+};
+
+/* Used for proxyremapping */
+struct tc_wrr_qdisc_modf_proxy {
+	char	proxy;		/* This indicates which of the tc_wrr_qdisc_modf structers this is. 1=This struct */
+	char	reset;		/* This is 1 if the proxyremap information should be reset */
+	int	changec;	/* changec is the number of elements in changes. */
+	long	changes[0];	/* This is an array of type ProxyRemapBlock */
+};
+
 #endif