6b13f685e
 김민수
BSP 최초 추가
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/*
* IEEE 802.1Q GARP VLAN Registration Protocol (GVRP)
*
* 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_vlan.h>
#include <net/garp.h>
#include "vlan.h"
#define GARP_GVRP_ADDRESS { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x21 }
enum gvrp_attributes {
GVRP_ATTR_INVALID,
GVRP_ATTR_VID,
__GVRP_ATTR_MAX
};
#define GVRP_ATTR_MAX (__GVRP_ATTR_MAX - 1)
static struct garp_application vlan_gvrp_app __read_mostly = {
.proto.group_address = GARP_GVRP_ADDRESS,
.maxattr = GVRP_ATTR_MAX,
.type = GARP_APPLICATION_GVRP,
};
int vlan_gvrp_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 garp_request_join(vlan->real_dev, &vlan_gvrp_app,
&vlan_id, sizeof(vlan_id), GVRP_ATTR_VID);
}
void vlan_gvrp_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;
garp_request_leave(vlan->real_dev, &vlan_gvrp_app,
&vlan_id, sizeof(vlan_id), GVRP_ATTR_VID);
}
int vlan_gvrp_init_applicant(struct net_device *dev)
{
return garp_init_applicant(dev, &vlan_gvrp_app);
}
void vlan_gvrp_uninit_applicant(struct net_device *dev)
{
garp_uninit_applicant(dev, &vlan_gvrp_app);
}
int __init vlan_gvrp_init(void)
{
return garp_register_application(&vlan_gvrp_app);
}
void vlan_gvrp_uninit(void)
{
garp_unregister_application(&vlan_gvrp_app);
}
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