/*
 * 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/init.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <net/pkt_sched.h>

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;
}

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)
n value='nds-private-remove' selected='selected'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=3484ecbe0e9deb94afb0b9b6172d77e98eb72b94'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/tools/lib/find_bit.c?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/tools/lib/find_bit.c?h=nds-private-remove&amp;id=3484ecbe0e9deb94afb0b9b6172d77e98eb72b94'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/tools/lib/find_bit.c?h=nds-private-remove&amp;id=3484ecbe0e9deb94afb0b9b6172d77e98eb72b94'>commit</a><a class='active' href='/cgit.cgi/linux/net-next.git/diff/tools/lib/find_bit.c?h=nds-private-remove&amp;id=3484ecbe0e9deb94afb0b9b6172d77e98eb72b94'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/tools/lib/find_bit.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=3484ecbe0e9deb94afb0b9b6172d77e98eb72b94'>root</a>/<a href='/cgit.cgi/linux/net-next.git/diff/tools?h=nds-private-remove&amp;id=3484ecbe0e9deb94afb0b9b6172d77e98eb72b94'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/diff/tools/lib?h=nds-private-remove&amp;id=3484ecbe0e9deb94afb0b9b6172d77e98eb72b94'>lib</a>/<a href='/cgit.cgi/linux/net-next.git/diff/tools/lib/find_bit.c?h=nds-private-remove&amp;id=3484ecbe0e9deb94afb0b9b6172d77e98eb72b94'>find_bit.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='3484ecbe0e9deb94afb0b9b6172d77e98eb72b94'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=3484ecbe0e9deb94afb0b9b6172d77e98eb72b94'>Diffstat</a> (limited to 'tools/lib/find_bit.c')</div><table summary='diffstat' class='diffstat'>