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authorJeff Garzik <jgarzik@pobox.com>2005-07-13 16:23:51 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-07-13 16:23:51 -0400
commit327309e899662b482c58cf25f574513d38b5788c (patch)
tree069de438aa0e92dd9b6ba28e6b207e2cd07151a5 /net/sched/sch_blackhole.c
parent0c168775709faa74c1b87f1e61046e0c51ade7f3 (diff)
parentc32511e2718618f0b53479eb36e07439aa363a74 (diff)
Merge upstream 2.6.13-rc3 into ieee80211 branch of netdev-2.6.
Diffstat (limited to 'net/sched/sch_blackhole.c')
-rw-r--r--net/sched/sch_blackhole.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/net/sched/sch_blackhole.c b/net/sched/sch_blackhole.c
new file mode 100644
index 00000000000..81f0b8346d1
--- /dev/null
+++ b/net/sched/sch_blackhole.c
@@ -0,0 +1,54 @@
+/*
+ * net/sched/sch_blackhole.c Black hole queue
+ *
+ * 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@suug.ch>
+ *
+ * Note: Quantum tunneling is not supported.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <net/pkt_sched.h>
+
+static int blackhole_enqueue(struct sk_buff *skb, struct Qdisc *sch)
+{
+ qdisc_drop(skb, sch);
+ return NET_XMIT_SUCCESS;
+}
+
+static struct sk_buff *blackhole_dequeue(struct Qdisc *sch)
+{
+ return NULL;
+}
+
+static struct Qdisc_ops blackhole_qdisc_ops = {
+ .id = "blackhole",
+ .priv_size = 0,
+ .enqueue = blackhole_enqueue,
+ .dequeue = blackhole_dequeue,
+ .owner = THIS_MODULE,
+};
+
+static int __init blackhole_module_init(void)
+{
+ return register_qdisc(&blackhole_qdisc_ops);
+}
+
+static void __exit blackhole_module_exit(void)
+{
+ unregister_qdisc(&blackhole_qdisc_ops);
+}
+
+module_init(blackhole_module_init)
+module_exit(blackhole_module_exit)
+
+MODULE_LICENSE("GPL");