--- a/tc/Makefile
+++ b/tc/Makefile
@@ -39,6 +39,7 @@ TCMODULES += m_mirred.o
 TCMODULES += m_nat.o
 TCMODULES += m_pedit.o
 TCMODULES += m_skbedit.o
+TCMODULES += m_connmark.o
 TCMODULES += m_csum.o
 TCMODULES += m_simple.o
 TCMODULES += p_ip.o
--- /dev/null
+++ b/tc/m_connmark.c
@@ -0,0 +1,74 @@
+/*
+ * m_connmark.c		Connection tracking marking import
+ *
+ * Copyright (c) 2011 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include "utils.h"
+#include "tc_util.h"
+
+static void
+explain(void)
+{
+	fprintf(stderr, "Usage: ... connmark\n");
+}
+
+static void
+usage(void)
+{
+	explain();
+	exit(-1);
+}
+
+static int
+parse_connmark(struct action_util *a, int *argc_p, char ***argv_p, int tca_id,
+	      struct nlmsghdr *n)
+{
+	int argc = *argc_p;
+	char **argv = *argv_p;
+
+	if (matches(*argv, "connmark") != 0)
+		return -1;
+
+	NEXT_ARG();
+
+	if (matches(*argv, "help") == 0)
+		usage();
+
+	*argc_p = argc;
+	*argv_p = argv;
+	return 0;
+}
+
+static int print_connmark(struct action_util *au, FILE *f, struct rtattr *arg)
+{
+	if (arg == NULL)
+		return -1;
+
+	fprintf(f, " connmark");
+
+	return 0;
+}
+
+struct action_util connmark_action_util = {
+	.id = "connmark",
+	.parse_aopt = parse_connmark,
+	.print_aopt = print_connmark,
+};
