/*
 * 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)
nup</option>
<option value='master'>master</option>
<option 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=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/kernel/signal.c?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/kernel/signal.c?h=nds-private-remove&amp;id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/kernel/signal.c?h=nds-private-remove&amp;id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/kernel/signal.c?h=nds-private-remove&amp;id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/kernel/signal.c'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/kernel?h=nds-private-remove&amp;id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>kernel</a>/<a href='/cgit.cgi/linux/net-next.git/commit/kernel/signal.c?h=nds-private-remove&amp;id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>signal.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='f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'/><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><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-30 15:47:19 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-30 15:47:19 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/kernel/signal.c?h=nds-private-remove&amp;id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b</a> (<a href='/cgit.cgi/linux/net-next.git/patch/kernel/signal.c?id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>4078d3ae27d4ebb85bdcd4d84e9b9a4d059f22bb</a> /<a href='/cgit.cgi/linux/net-next.git/tree/kernel/signal.c?h=nds-private-remove&amp;id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>kernel/signal.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/kernel/signal.c?h=nds-private-remove&amp;id=751321b3dd5040dc5be19bd23f985e80c914621a'>751321b3dd5040dc5be19bd23f985e80c914621a</a> (<a href='/cgit.cgi/linux/net-next.git/diff/kernel/signal.c?h=nds-private-remove&amp;id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b&amp;id2=751321b3dd5040dc5be19bd23f985e80c914621a'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/kernel/signal.c?h=nds-private-remove&amp;id=54791b276b4000b307339f269d3bf7db877d536f'>54791b276b4000b307339f269d3bf7db877d536f</a> (<a href='/cgit.cgi/linux/net-next.git/diff/kernel/signal.c?h=nds-private-remove&amp;id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b&amp;id2=54791b276b4000b307339f269d3bf7db877d536f'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc</div><div class='commit-msg'>Pull sparc fixes from David Miller:
 "Several small bug fixes and tidies, along with a fix for non-resumable
  memory errors triggered by userspace"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: Handle PIO &amp; MEM non-resumable errors.
  sparc64: Zero pages on allocation for mondo and error queues.
  sparc: Fixed typo in sstate.c. Replaced panicing with panicking
  sparc: use symbolic names for tsb indexing
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=f9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b'>Diffstat</a> (limited to 'kernel/signal.c')</div><table summary='diffstat' class='diffstat'>