audit: complex interfield comparison helper
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / net / 8021q / vlan_gvrp.c
blob6f9755352760c7494ad91eb46f3f43df3f181bdb
1 /*
2 * IEEE 802.1Q GARP VLAN Registration Protocol (GVRP)
4 * Copyright (c) 2008 Patrick McHardy <kaber@trash.net>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
9 */
10 #include <linux/types.h>
11 #include <linux/if_vlan.h>
12 #include <net/garp.h>
13 #include "vlan.h"
15 #define GARP_GVRP_ADDRESS { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x21 }
17 enum gvrp_attributes {
18 GVRP_ATTR_INVALID,
19 GVRP_ATTR_VID,
20 __GVRP_ATTR_MAX
22 #define GVRP_ATTR_MAX (__GVRP_ATTR_MAX - 1)
24 static struct garp_application vlan_gvrp_app __read_mostly = {
25 .proto.group_address = GARP_GVRP_ADDRESS,
26 .maxattr = GVRP_ATTR_MAX,
27 .type = GARP_APPLICATION_GVRP,
30 int vlan_gvrp_request_join(const struct net_device *dev)
32 const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
33 __be16 vlan_id = htons(vlan->vlan_id);
35 return garp_request_join(vlan->real_dev, &vlan_gvrp_app,
36 &vlan_id, sizeof(vlan_id), GVRP_ATTR_VID);
39 void vlan_gvrp_request_leave(const struct net_device *dev)
41 const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
42 __be16 vlan_id = htons(vlan->vlan_id);
44 garp_request_leave(vlan->real_dev, &vlan_gvrp_app,
45 &vlan_id, sizeof(vlan_id), GVRP_ATTR_VID);
48 int vlan_gvrp_init_applicant(struct net_device *dev)
50 return garp_init_applicant(dev, &vlan_gvrp_app);
53 void vlan_gvrp_uninit_applicant(struct net_device *dev)
55 garp_uninit_applicant(dev, &vlan_gvrp_app);
58 int __init vlan_gvrp_init(void)
60 return garp_register_application(&vlan_gvrp_app);
63 void vlan_gvrp_uninit(void)
65 garp_unregister_application(&vlan_gvrp_app);