diff -ruNa iptables-1.2.9/include/libipq/libipq.h iptables-1.2.9-brcontrol/include/libipq/libipq.h
--- iptables-1.2.9/include/libipq/libipq.h	2003-09-07 12:08:00.000000000 +0200
+++ iptables-1.2.9-brcontrol/include/libipq/libipq.h	2003-12-22 13:54:29.000000000 +0100
@@ -79,6 +79,12 @@
                     size_t data_len,
                     unsigned char *buf);
 
+//Ipq_set_mark patch for BRcontrol
+int ipq_set_mark(const struct ipq_handle *h,
+			   ipq_id_t id,
+		      unsigned long mark_value);
+//End of Ipq_set_mark patch for BRcontrol
+
 int ipq_ctl(const struct ipq_handle *h, int request, ...);
 
 char *ipq_errstr(void);
diff -ruNa iptables-1.2.9/libipq/libipq.c iptables-1.2.9-brcontrol/libipq/libipq.c
--- iptables-1.2.9/libipq/libipq.c	2001-11-24 16:09:20.000000000 +0100
+++ iptables-1.2.9-brcontrol/libipq/libipq.c	2003-12-22 14:40:30.000000000 +0100
@@ -347,6 +347,27 @@
 	nlh.nlmsg_len = tlen;
 	return ipq_netlink_sendmsg(h, &msg, 0);
 }
+// ipq_set_mark patch for BRcontrol
+int ipq_set_mark(const struct ipq_handle *h,
+			ipq_id_t id,
+			unsigned long mark_value)
+{
+	struct {
+		struct nlmsghdr nlh;
+		ipq_peer_msg_t pm;
+	} req;
+
+	memset(&req, 0, sizeof(req));
+	req.nlh.nlmsg_len = NLMSG_LENGTH(sizeof(req));
+	req.nlh.nlmsg_flags = NLM_F_REQUEST;
+	req.nlh.nlmsg_type = IPQM_MARK;
+	req.nlh.nlmsg_pid = h->local.nl_pid;
+	req.pm.msg.mark.id = id;
+	req.pm.msg.mark.mark_value = mark_value;
+	return ipq_netlink_sendto(h, (void *)&req, req.nlh.nlmsg_len);
+}
+// End of ipq_set_mark patch for BRcontrol
+
 
 /* Not implemented yet */
 int ipq_ctl(const struct ipq_handle *h, int request, ...)