diff -Nru linux-2.6.10-bk4.orig/include/linux/pkt_cls.h linux-2.6.10-bk4/include/linux/pkt_cls.h
--- linux-2.6.10-bk4.orig/include/linux/pkt_cls.h	2005-01-02 22:37:46.000000000 +0100
+++ linux-2.6.10-bk4/include/linux/pkt_cls.h	2005-01-02 22:37:39.000000000 +0100
@@ -346,6 +346,7 @@
 enum
 {
 	TCF_EM_CONTAINER,
+	TCF_EM_U32,
 	__TCF_EM_MAX
 };
 
@@ -362,4 +363,28 @@
 #define TCF_EM_REL_OR	(1<<2)
 #define TCF_EM_INVERT	(1<<3)
 
+struct tcf_em_u32
+{
+	__u32		val;
+	__u32		mask;
+	__u16		off;
+	__u8		align;
+	__u8		layer:4;
+	__u8		opnd:4;
+};
+
+enum
+{
+	TCF_EM_ALIGN_U8  = 1,
+	TCF_EM_ALIGN_U16 = 2,
+	TCF_EM_ALIGN_U32 = 4
+};
+
+enum
+{
+	TCF_EM_OPND_EQ,
+	TCF_EM_OPND_GT,
+	TCF_EM_OPND_LT
+};
+
 #endif
diff -Nru linux-2.6.10-bk4.orig/include/net/pkt_cls.h linux-2.6.10-bk4/include/net/pkt_cls.h
--- linux-2.6.10-bk4.orig/include/net/pkt_cls.h	2005-01-02 22:37:46.000000000 +0100
+++ linux-2.6.10-bk4/include/net/pkt_cls.h	2005-01-02 22:23:24.000000000 +0100
@@ -218,6 +218,36 @@
 
 #endif /* CONFIG_NET_EMATCH */
 
+static inline u32 tcf_read_bucket(u8 *ptr, u8 align)
+{
+	switch (align) {
+		case TCF_EM_ALIGN_U8:
+			return *ptr;
+		case TCF_EM_ALIGN_U16:
+			return (*ptr << 8) | *(ptr+1);
+		case TCF_EM_ALIGN_U32:
+			return (*ptr << 24) | (*(ptr+1) << 16) |
+				(*(ptr+2) << 8) | *(ptr+3);
+	}
+	return 0;
+}
+
+static inline u8 * tcf_get_base_ptr(struct sk_buff *skb, u8 layer)
+{
+	switch (layer) {
+		case 0:
+			return skb->data;
+		case 1:
+			return skb->nh.raw;
+		case 2:
+			return skb->h.raw;
+	}
+	return NULL;
+}
+
+#define tcf_valid_offset(skb, ptr, off, len) \
+	((ptr + off + len) < skb->tail && (ptr + off) > skb->head)
+
 #ifdef CONFIG_NET_CLS_IND
 static inline int
 tcf_change_indev(struct tcf_proto *tp, char *indev, struct rtattr *indev_tlv)
diff -Nru linux-2.6.10-bk4.orig/net/sched/Kconfig linux-2.6.10-bk4/net/sched/Kconfig
--- linux-2.6.10-bk4.orig/net/sched/Kconfig	2005-01-02 22:37:46.000000000 +0100
+++ linux-2.6.10-bk4/net/sched/Kconfig	2005-01-02 22:37:39.000000000 +0100
@@ -381,6 +381,12 @@
 	---help---
 	  TODO
 
+config NET_EMATCH_U32
+	tristate "U32"
+	depends on NET_EMATCH
+	---help---
+	  TODO
+
 config NET_CLS_ACT
 	bool "Packet ACTION"
 	depends on EXPERIMENTAL && NET_CLS && NET_QOS
diff -Nru linux-2.6.10-bk4.orig/net/sched/Makefile linux-2.6.10-bk4/net/sched/Makefile
--- linux-2.6.10-bk4.orig/net/sched/Makefile	2005-01-02 22:37:46.000000000 +0100
+++ linux-2.6.10-bk4/net/sched/Makefile	2005-01-02 22:37:39.000000000 +0100
@@ -34,3 +34,4 @@
 obj-$(CONFIG_NET_CLS_TCINDEX)	+= cls_tcindex.o
 obj-$(CONFIG_NET_CLS_RSVP6)	+= cls_rsvp6.o
 obj-$(CONFIG_NET_EMATCH)	+= ematch.o
+obj-$(CONFIG_NET_EMATCH_U32)	+= em_u32.o
diff -Nru linux-2.6.10-bk4.orig/net/sched/em_u32.c linux-2.6.10-bk4/net/sched/em_u32.c
--- linux-2.6.10-bk4.orig/net/sched/em_u32.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-bk4/net/sched/em_u32.c	2005-01-02 22:38:27.000000000 +0100
@@ -0,0 +1,98 @@
+/*
+ * net/sched/em_u32.c	U32 ematch
+ *
+ *		This program is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ * Authors:	Thomas Graf <tgraf@xxxxxxx>
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/rtnetlink.h>
+#include <linux/skbuff.h>
+#include <net/pkt_cls.h>
+
+static int em_u32_change(struct tcf_proto *tp, void *data, int len,
+			   struct tcf_ematch *m)
+{
+	if (len != sizeof(struct tcf_em_u32))
+		return -EINVAL;
+
+	m->data = (unsigned long) kmalloc(len, GFP_KERNEL);
+	if (!m->data)
+		return -ENOBUFS;
+
+	memcpy((void *) m->data, data, len);
+	return 0;
+}
+
+static int em_u32_match(struct sk_buff *skb, struct tcf_ematch *m)
+{
+	struct tcf_em_u32 *u = (struct tcf_em_u32 *) m->data;
+	u8 *ptr = tcf_get_base_ptr(skb, u->layer);
+	u32 v;
+
+	if (unlikely(!tcf_valid_offset(skb, ptr, u->off, u->align)))
+		return 0;
+
+	v = tcf_read_bucket(ptr + u->off, u->align) & u->mask;
+
+	switch (u->opnd) {
+		case TCF_EM_OPND_EQ:
+			return v == u->val;
+		case TCF_EM_OPND_LT:
+			return v < u->val;
+		case TCF_EM_OPND_GT:
+			return v > u->val;
+	}
+	
+	return 0;
+}
+
+static int em_u32_destroy(struct tcf_proto *tp, struct tcf_ematch *m)
+{
+	kfree((void *) m->data);
+	return 0;
+}
+
+static int em_u32_dump(struct sk_buff *skb, struct tcf_ematch *m)
+{
+	RTA_PUT_NOHDR(skb, sizeof(struct tcf_em_u32), (void *) m->data);
+	return 0;
+rtattr_failure:
+	return -1;
+}
+
+static struct tcf_ematch_ops em_u32_ops = {
+	.kind	  = TCF_EM_U32,
+	.change	  = em_u32_change,
+	.match	  = em_u32_match,
+	.destroy  = em_u32_destroy,
+	.dump	  = em_u32_dump,
+	.owner	  = THIS_MODULE,
+	.link	  = LIST_HEAD_INIT(em_u32_ops.link)
+};
+
+static int __init init_em_u32(void)
+{
+	return tcf_em_register(&em_u32_ops);
+}
+
+static void __exit exit_em_u32(void) 
+{
+	tcf_em_unregister(&em_u32_ops);
+}
+
+MODULE_LICENSE("GPL");
+
+module_init(init_em_u32);
+module_exit(exit_em_u32);
+