patch-2.1.99 linux/net/sched/cls_route.c

• Lines: 99
• Date: Wed Apr 29 22:46:59 1998
• Orig file: v2.1.98/linux/net/sched/cls_route.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.98/linux/net/sched/cls_route.c linux/net/sched/cls_route.c
@@ -0,0 +1,98 @@
+/*
+ * net/sched/cls_route.c	Routing table based packet classifier.
+ *
+ *		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:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
+ */
+
+#include <linux/module.h>
+#include <asm/uaccess.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/socket.h>
+#include <linux/sockios.h>
+#include <linux/in.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/if_ether.h>
+#include <linux/inet.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/notifier.h>
+#include <net/ip.h>
+#include <net/route.h>
+#include <linux/skbuff.h>
+#include <net/sock.h>
+#include <net/pkt_sched.h>
+
+
+static int route_classify(struct sk_buff *skb, struct tcf_proto *tp,
+			  struct tcf_result *res)
+{
+	struct dst_entry *dst = skb->dst;
+
+	if (dst) {
+		u32 clid = dst->tclassid;
+
+		if (clid && (TC_H_MAJ(clid) == 0 ||
+			     !(TC_H_MAJ(clid^tp->q->handle)))) {
+			res->classid = clid;
+			res->class = 0;
+			return 0;
+		}
+	}
+	return -1;
+}
+
+static unsigned long route_get(struct tcf_proto *tp, u32 handle)
+{
+	return 0;
+}
+
+static void route_put(struct tcf_proto *tp, unsigned long f)
+{
+}
+
+static int route_init(struct tcf_proto *tp)
+{
+	return 0;
+}
+
+static void route_destroy(struct tcf_proto *tp)
+{
+}
+
+static int route_delete(struct tcf_proto *tp, unsigned long arg)
+{
+	return -EINVAL;
+}
+
+static int route_change(struct tcf_proto *tp, u32 handle,
+			struct rtattr **tca,
+			unsigned long *arg)
+{
+	return handle ? -EINVAL : 0;
+}
+
+struct tcf_proto_ops cls_route_ops = {
+	NULL,
+	"route",
+	route_classify,
+	route_init,
+	route_destroy,
+
+	route_get,
+	route_put,
+	route_change,
+	route_delete,
+	NULL,
+};