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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
42 lines
924 B
C
42 lines
924 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* net/sched/sch_blackhole.c Black hole queue
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*
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* Authors: Thomas Graf <tgraf@suug.ch>
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*
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* Note: Quantum tunneling is not supported.
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*/
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/skbuff.h>
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#include <net/pkt_sched.h>
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static int blackhole_enqueue(struct sk_buff *skb, struct Qdisc *sch,
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struct sk_buff **to_free)
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{
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qdisc_drop(skb, sch, to_free);
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return NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
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}
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static struct sk_buff *blackhole_dequeue(struct Qdisc *sch)
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{
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return NULL;
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}
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static struct Qdisc_ops blackhole_qdisc_ops __read_mostly = {
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.id = "blackhole",
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.priv_size = 0,
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.enqueue = blackhole_enqueue,
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.dequeue = blackhole_dequeue,
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.peek = blackhole_dequeue,
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.owner = THIS_MODULE,
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};
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static int __init blackhole_init(void)
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{
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return register_qdisc(&blackhole_qdisc_ops);
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}
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device_initcall(blackhole_init)
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