diff -uNr linux-libc-headers-2.6.5.1.orig/include/linux/pkt_sched.h linux-libc-headers-2.6.5.1/include/linux/pkt_sched.h
--- linux-libc-headers-2.6.5.1.orig/include/linux/pkt_sched.h	2004-05-02 23:08:48.000000000 +0200
+++ linux-libc-headers-2.6.5.1/include/linux/pkt_sched.h	2004-05-07 23:42:56.411761880 +0200
@@ -145,8 +145,35 @@
  *
  *	The only reason for this is efficiency, it is possible
  *	to change these parameters in compile time.
+ *
+ *	If you need to play with these values use esfq instead.
  */
 
+/* ESFQ section */
+
+enum
+{
+	/* traditional */
+	TCA_SFQ_HASH_CLASSIC,
+	TCA_SFQ_HASH_DST,
+	TCA_SFQ_HASH_SRC,
+	TCA_SFQ_HASH_FWMARK,
+	/* direct */
+	TCA_SFQ_HASH_DSTDIR,
+	TCA_SFQ_HASH_SRCDIR,
+	TCA_SFQ_HASH_FWMARKDIR,
+};
+
+struct tc_esfq_qopt
+{
+	unsigned	quantum;	/* Bytes per round allocated to flow */
+	int		perturb_period;	/* Period of hash perturbation */
+	__u32		limit;		/* Maximal packets in queue */
+	unsigned	divisor;	/* Hash divisor  */
+	unsigned	flows;		/* Maximal number of flows  */
+	unsigned	hash_kind;	/* Hash function to use for flow identification */
+};
+
 /* RED section */
 
 enum