2 * IEEE 802.1Q Multiple VLAN Registration Protocol (MVRP)
4 * Copyright (c) 2012 Massachusetts Institute of Technology
6 * Adapted from code in net/8021q/vlan_gvrp.c
7 * Copyright (c) 2008 Patrick McHardy <kaber@trash.net>
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation.
13 #include <linux/types.h>
14 #include <linux/if_ether.h>
15 #include <linux/if_vlan.h>
19 #define MRP_MVRP_ADDRESS { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x21 }
21 enum mvrp_attributes {
26 #define MVRP_ATTR_MAX (__MVRP_ATTR_MAX - 1)
28 static struct mrp_application vlan_mrp_app __read_mostly = {
29 .type = MRP_APPLICATION_MVRP,
30 .maxattr = MVRP_ATTR_MAX,
31 .pkttype.type = htons(ETH_P_MVRP),
32 .group_address = MRP_MVRP_ADDRESS,
36 int vlan_mvrp_request_join(const struct net_device *dev)
38 const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
39 __be16 vlan_id = htons(vlan->vlan_id);
41 if (vlan->vlan_proto != htons(ETH_P_8021Q))
43 return mrp_request_join(vlan->real_dev, &vlan_mrp_app,
44 &vlan_id, sizeof(vlan_id), MVRP_ATTR_VID);
47 void vlan_mvrp_request_leave(const struct net_device *dev)
49 const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
50 __be16 vlan_id = htons(vlan->vlan_id);
52 if (vlan->vlan_proto != htons(ETH_P_8021Q))
54 mrp_request_leave(vlan->real_dev, &vlan_mrp_app,
55 &vlan_id, sizeof(vlan_id), MVRP_ATTR_VID);
58 int vlan_mvrp_init_applicant(struct net_device *dev)
60 return mrp_init_applicant(dev, &vlan_mrp_app);
63 void vlan_mvrp_uninit_applicant(struct net_device *dev)
65 mrp_uninit_applicant(dev, &vlan_mrp_app);
68 int __init vlan_mvrp_init(void)
70 return mrp_register_application(&vlan_mrp_app);
73 void vlan_mvrp_uninit(void)
75 mrp_unregister_application(&vlan_mrp_app);