73 lines
		
	
	
	
		
			1.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			73 lines
		
	
	
	
		
			1.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
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								/*
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								 *	IEEE 802.1Q Multiple VLAN Registration Protocol (MVRP)
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								 *
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								 *	Copyright (c) 2012 Massachusetts Institute of Technology
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								 *
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								 *	Adapted from code in net/8021q/vlan_gvrp.c
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								 *	Copyright (c) 2008 Patrick McHardy <kaber@trash.net>
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								 *
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								 *	This program is free software; you can redistribute it and/or
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								 *	modify it under the terms of the GNU General Public License
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								 *	version 2 as published by the Free Software Foundation.
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								 */
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								#include <linux/types.h>
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								#include <linux/if_ether.h>
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								#include <linux/if_vlan.h>
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								#include <net/mrp.h>
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								#include "vlan.h"
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								#define MRP_MVRP_ADDRESS	{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x21 }
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								enum mvrp_attributes {
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									MVRP_ATTR_INVALID,
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									MVRP_ATTR_VID,
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									__MVRP_ATTR_MAX
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								};
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								#define MVRP_ATTR_MAX	(__MVRP_ATTR_MAX - 1)
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								static struct mrp_application vlan_mrp_app __read_mostly = {
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									.type		= MRP_APPLICATION_MVRP,
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									.maxattr	= MVRP_ATTR_MAX,
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									.pkttype.type	= htons(ETH_P_MVRP),
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									.group_address	= MRP_MVRP_ADDRESS,
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									.version	= 0,
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								};
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								int vlan_mvrp_request_join(const struct net_device *dev)
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								{
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									const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
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									__be16 vlan_id = htons(vlan->vlan_id);
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									return mrp_request_join(vlan->real_dev, &vlan_mrp_app,
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												&vlan_id, sizeof(vlan_id), MVRP_ATTR_VID);
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								}
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								void vlan_mvrp_request_leave(const struct net_device *dev)
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								{
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									const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
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									__be16 vlan_id = htons(vlan->vlan_id);
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									mrp_request_leave(vlan->real_dev, &vlan_mrp_app,
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											  &vlan_id, sizeof(vlan_id), MVRP_ATTR_VID);
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								}
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								int vlan_mvrp_init_applicant(struct net_device *dev)
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								{
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									return mrp_init_applicant(dev, &vlan_mrp_app);
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								}
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								void vlan_mvrp_uninit_applicant(struct net_device *dev)
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								{
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									mrp_uninit_applicant(dev, &vlan_mrp_app);
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								}
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								int __init vlan_mvrp_init(void)
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								{
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									return mrp_register_application(&vlan_mrp_app);
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								}
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								void vlan_mvrp_uninit(void)
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								{
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									mrp_unregister_application(&vlan_mrp_app);
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								}
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