/*
 *	IEEE 802.1Q Multiple VLAN Registration Protocol (MVRP)
 *
 *	Copyright (c) 2012 Massachusetts Institute of Technology
 *
 *	Adapted from code in net/8021q/vlan_gvrp.c
 *	Copyright (c) 2008 Patrick McHardy <kaber@trash.net>
 *
 *	This program is free software; you can redistribute it and/or
 *	modify it under the terms of the GNU General Public License
 *	version 2 as published by the Free Software Foundation.
 */
#include <linux/types.h>
#include <linux/if_ether.h>
#include <linux/if_vlan.h>
#include <net/mrp.h>
#include "vlan.h"

#define MRP_MVRP_ADDRESS	{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x21 }

enum mvrp_attributes {
	MVRP_ATTR_INVALID,
	MVRP_ATTR_VID,
	__MVRP_ATTR_MAX
};
#define MVRP_ATTR_MAX	(__MVRP_ATTR_MAX - 1)

static struct mrp_application vlan_mrp_app __read_mostly = {
	.type		= MRP_APPLICATION_MVRP,
	.maxattr	= MVRP_ATTR_MAX,
	.pkttype.type	= htons(ETH_P_MVRP),
	.group_address	= MRP_MVRP_ADDRESS,
	.version	= 0,
};

int vlan_mvrp_request_join(const struct net_device *dev)
{
	const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
	__be16 vlan_id = htons(vlan->vlan_id);

	if (vlan->vlan_proto != htons(ETH_P_8021Q))
		return 0;
	return mrp_request_join(vlan->real_dev, &vlan_mrp_app,
				&vlan_id, sizeof(vlan_id), MVRP_ATTR_VID);
}

void vlan_mvrp_request_leave(const struct net_device *dev)
{
	const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
	__be16 vlan_id = htons(vlan->vlan_id);

	if (vlan->vlan_proto != htons(ETH_P_8021Q))
		return;
	mrp_request_leave(vlan->real_dev, &vlan_mrp_app,
			  &vlan_id, sizeof(vlan_id), MVRP_ATTR_VID);
}

int vlan_mvrp_init_applicant(struct net_device *dev)
{
	return mrp_init_applicant(dev, &vlan_mrp_app);
}

void vlan_mvrp_uninit_applicant(struct net_device *dev)
{
	mrp_uninit_applicant(dev, &vlan_mrp_app);
}

int __init vlan_mvrp_init(void)
{
	return mrp_register_application(&vlan_mrp_app);
}

void vlan_mvrp_uninit(void)
{
	mrp_unregister_application(&vlan_mrp_app);
}
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/core?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>core</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/core/ethtool.c?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>ethtool.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='10435c1192d06bdb0bac7666452d8219d7e7c477'/><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>Feng &lt;fgao@ikuai8.com&gt;</td><td class='right'>2017-01-20 21:40:43 +0800</td></tr>
<tr><th>committer</th><td>Pablo Neira Ayuso &lt;pablo@netfilter.org&gt;</td><td class='right'>2017-02-02 14:30:19 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/core/ethtool.c?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>10435c1192d06bdb0bac7666452d8219d7e7c477</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/core/ethtool.c?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>93b76419142fe17b1d162d062c663297a3e8a965</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/core/ethtool.c?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>net/core/ethtool.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/core/ethtool.c?id=1a28ad74ebd8f9d3c7eae0d781f72a6d30545e17'>1a28ad74ebd8f9d3c7eae0d781f72a6d30545e17</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/core/ethtool.c?id=10435c1192d06bdb0bac7666452d8219d7e7c477&amp;id2=1a28ad74ebd8f9d3c7eae0d781f72a6d30545e17'>diff</a>)</td></tr></table>
<div class='commit-subject'>netfilter: nf_tables: Eliminate duplicated code in nf_tables_table_enable()</div><div class='commit-msg'>If something fails in nf_tables_table_enable(), it unregisters the
chains. But the rollback code is the same as nf_tables_table_disable()
almostly, except there is one counter check.  Now create one wrapper
function to eliminate the duplicated codes.

Signed-off-by: Feng &lt;fgao@ikuai8.com&gt;
Signed-off-by: Pablo Neira Ayuso &lt;pablo@netfilter.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=10435c1192d06bdb0bac7666452d8219d7e7c477'>Diffstat</a> (limited to 'net/core/ethtool.c')</div><table summary='diffstat' class='diffstat'>