From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- net/sched/sch_blackhole.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 net/sched/sch_blackhole.c (limited to 'net/sched/sch_blackhole.c') diff --git a/net/sched/sch_blackhole.c b/net/sched/sch_blackhole.c new file mode 100644 index 0000000000..a7f7667ae9 --- /dev/null +++ b/net/sched/sch_blackhole.c @@ -0,0 +1,41 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * net/sched/sch_blackhole.c Black hole queue + * + * Authors: Thomas Graf + * + * Note: Quantum tunneling is not supported. + */ + +#include +#include +#include +#include +#include + +static int blackhole_enqueue(struct sk_buff *skb, struct Qdisc *sch, + struct sk_buff **to_free) +{ + qdisc_drop(skb, sch, to_free); + return NET_XMIT_SUCCESS | __NET_XMIT_BYPASS; +} + +static struct sk_buff *blackhole_dequeue(struct Qdisc *sch) +{ + return NULL; +} + +static struct Qdisc_ops blackhole_qdisc_ops __read_mostly = { + .id = "blackhole", + .priv_size = 0, + .enqueue = blackhole_enqueue, + .dequeue = blackhole_dequeue, + .peek = blackhole_dequeue, + .owner = THIS_MODULE, +}; + +static int __init blackhole_init(void) +{ + return register_qdisc(&blackhole_qdisc_ops); +} +device_initcall(blackhole_init) -- cgit v1.2.3