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 22:44:16.000000000 +0100
+++ linux-2.6.10-bk4/include/linux/pkt_cls.h	2005-01-02 22:44:31.000000000 +0100
@@ -347,6 +347,7 @@
 {
 	TCF_EM_CONTAINER,
 	TCF_EM_U32,
+	TCF_EM_NBYTE,
 	__TCF_EM_MAX
 };
 
@@ -387,4 +388,11 @@
 	TCF_EM_OPND_LT
 };
 
+struct tcf_em_nbyte
+{
+	__u16		off;
+	__u16		len:12;
+	__u8		layer:4;
+};
+
 #endif
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 22:44:16.000000000 +0100
+++ linux-2.6.10-bk4/net/sched/Kconfig	2005-01-02 22:44:31.000000000 +0100
@@ -387,6 +387,12 @@
 	---help---
 	  TODO
 
+config NET_EMATCH_NBYTE
+	tristate "N-Byte"
+	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 22:44:16.000000000 +0100
+++ linux-2.6.10-bk4/net/sched/Makefile	2005-01-02 22:44:31.000000000 +0100
@@ -35,3 +35,4 @@
 obj-$(CONFIG_NET_CLS_RSVP6)	+= cls_rsvp6.o
 obj-$(CONFIG_NET_EMATCH)	+= ematch.o
 obj-$(CONFIG_NET_EMATCH_U32)	+= em_u32.o
+obj-$(CONFIG_NET_EMATCH_NBYTE)	+= em_nbyte.o
diff -Nru linux-2.6.10-bk4.orig/net/sched/em_nbyte.c linux-2.6.10-bk4/net/sched/em_nbyte.c
--- linux-2.6.10-bk4.orig/net/sched/em_nbyte.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.10-bk4/net/sched/em_nbyte.c	2005-01-02 22:54:20.000000000 +0100
@@ -0,0 +1,95 @@
+/*
+ * net/sched/em_nbyte.c	N-Byte 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>
+
+struct nbyte_data
+{
+	struct tcf_em_nbyte	hdr;
+	char			pattern[0];
+};
+	
+static int em_nbyte_validate(struct tcf_proto *tp, void *data, int len,
+			     struct tcf_ematch *m)
+{
+	struct tcf_em_nbyte *n = data;
+
+	if (len < sizeof(*n) || len < (sizeof(*n) + n->len))
+		return -EINVAL;
+
+	m->data = (unsigned long) kmalloc(sizeof(*n) + n->len, GFP_KERNEL);
+	if (!m->data)
+		return -ENOBUFS;
+
+	memcpy((void *) m->data, data, sizeof(*n) + n->len);
+	return 0;
+}
+
+static int em_nbyte_match(struct sk_buff *skb, struct tcf_ematch *m)
+{
+	struct nbyte_data *d = (struct nbyte_data *) m->data;
+	u8 *ptr = tcf_get_base_ptr(skb, d->hdr.layer);
+
+	if (unlikely(!tcf_valid_offset(skb, ptr, d->hdr.off, d->hdr.len)))
+	    return 0;
+
+	return !memcmp(ptr + d->hdr.off, d->pattern, d->hdr.len);
+}
+
+static int em_nbyte_destroy(struct tcf_proto *tp, struct tcf_ematch *m)
+{
+	kfree((void *) m->data);
+	return 0;
+}
+
+static int em_nbyte_dump(struct sk_buff *skb, struct tcf_ematch *m)
+{
+	struct nbyte_data *d = (struct nbyte_data *) m->data;
+	RTA_PUT_NOHDR(skb, sizeof(*d) + d->hdr.len, d);
+	return 0;
+rtattr_failure:
+	return -1;
+}
+
+static struct tcf_ematch_ops em_nbyte_ops = {
+	.kind	  = TCF_EM_NBYTE,
+	.change	  = em_nbyte_validate,
+	.match	  = em_nbyte_match,
+	.destroy  = em_nbyte_destroy,
+	.dump	  = em_nbyte_dump,
+	.owner	  = THIS_MODULE,
+	.link	  = LIST_HEAD_INIT(em_nbyte_ops.link)
+};
+
+static int __init init_em_nbyte(void)
+{
+	return tcf_em_register(&em_nbyte_ops);
+}
+
+static void __exit exit_em_nbyte(void) 
+{
+	tcf_em_unregister(&em_nbyte_ops);
+}
+
+MODULE_LICENSE("GPL");
+
+module_init(init_em_nbyte);
+module_exit(exit_em_nbyte);
+