1 files changed, 86 insertions, 2 deletions

diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c
index e7c648fa9dc3..10adbc617905 100644
--- a/net/sched/sch_ingress.c
+++ b/net/sched/sch_ingress.c
@@ -1,4 +1,5 @@
-/* net/sched/sch_ingress.c - Ingress qdisc
+/* net/sched/sch_ingress.c - Ingress and clsact qdisc
+ *
  *              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
@@ -98,17 +99,100 @@ static struct Qdisc_ops ingress_qdisc_ops __read_mostly = {
 	.owner		=	THIS_MODULE,
 };
 
+static unsigned long clsact_get(struct Qdisc *sch, u32 classid)
+{
+	switch (TC_H_MIN(classid)) {
+	case TC_H_MIN(TC_H_MIN_INGRESS):
+	case TC_H_MIN(TC_H_MIN_EGRESS):
+		return TC_H_MIN(classid);
+	default:
+		return 0;
+	}
+}
+
+static unsigned long clsact_bind_filter(struct Qdisc *sch,
+					unsigned long parent, u32 classid)
+{
+	return clsact_get(sch, classid);
+}
+
+static struct tcf_proto __rcu **clsact_find_tcf(struct Qdisc *sch,
+						unsigned long cl)
+{
+	struct net_device *dev = qdisc_dev(sch);
+
+	switch (cl) {
+	case TC_H_MIN(TC_H_MIN_INGRESS):
+		return &dev->ingress_cl_list;
+	case TC_H_MIN(TC_H_MIN_EGRESS):
+		return &dev->egress_cl_list;
+	default:
+		return NULL;
+	}
+}
+
+static int clsact_init(struct Qdisc *sch, struct nlattr *opt)
+{
+	net_inc_ingress_queue();
+	net_inc_egress_queue();
+
+	sch->flags |= TCQ_F_CPUSTATS;
+
+	return 0;
+}
+
+static void clsact_destroy(struct Qdisc *sch)
+{
+	struct net_device *dev = qdisc_dev(sch);
+
+	tcf_destroy_chain(&dev->ingress_cl_list);
+	tcf_destroy_chain(&dev->egress_cl_list);
+
+	net_dec_ingress_queue();
+	net_dec_egress_queue();
+}
+
+static const struct Qdisc_class_ops clsact_class_ops = {
+	.leaf		=	ingress_leaf,
+	.get		=	clsact_get,
+	.put		=	ingress_put,
+	.walk		=	ingress_walk,
+	.tcf_chain	=	clsact_find_tcf,
+	.bind_tcf	=	clsact_bind_filter,
+	.unbind_tcf	=	ingress_put,
+};
+
+static struct Qdisc_ops clsact_qdisc_ops __read_mostly = {
+	.cl_ops		=	&clsact_class_ops,
+	.id		=	"clsact",
+	.init		=	clsact_init,
+	.destroy	=	clsact_destroy,
+	.dump		=	ingress_dump,
+	.owner		=	THIS_MODULE,
+};
+
 static int __init ingress_module_init(void)
 {
-	return register_qdisc(&ingress_qdisc_ops);
+	int ret;
+
+	ret = register_qdisc(&ingress_qdisc_ops);
+	if (!ret) {
+		ret = register_qdisc(&clsact_qdisc_ops);
+		if (ret)
+			unregister_qdisc(&ingress_qdisc_ops);
+	}
+
+	return ret;
 }
 
 static void __exit ingress_module_exit(void)
 {
 	unregister_qdisc(&ingress_qdisc_ops);
+	unregister_qdisc(&clsact_qdisc_ops);
 }
 
 module_init(ingress_module_init);
 module_exit(ingress_module_exit);
 
+MODULE_ALIAS("sch_clsact");
 MODULE_LICENSE("GPL");