1 // SPDX-License-Identifier: GPL-2.0-only
3 * IEEE 802.1Q Multiple VLAN Registration Protocol (MVRP)
5 * Copyright (c) 2012 Massachusetts Institute of Technology
7 * Adapted from code in net/8021q/vlan_gvrp.c
8 * Copyright (c) 2008 Patrick McHardy <kaber@trash.net>
10 #include <linux/types.h>
11 #include <linux/if_ether.h>
12 #include <linux/if_vlan.h>
16 #define MRP_MVRP_ADDRESS { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x21 }
18 enum mvrp_attributes {
23 #define MVRP_ATTR_MAX (__MVRP_ATTR_MAX - 1)
25 static struct mrp_application vlan_mrp_app __read_mostly = {
26 .type = MRP_APPLICATION_MVRP,
27 .maxattr = MVRP_ATTR_MAX,
28 .pkttype.type = htons(ETH_P_MVRP),
29 .group_address = MRP_MVRP_ADDRESS,
33 int vlan_mvrp_request_join(const struct net_device *dev)
35 const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
36 __be16 vlan_id = htons(vlan->vlan_id);
38 if (vlan->vlan_proto != htons(ETH_P_8021Q))
40 return mrp_request_join(vlan->real_dev, &vlan_mrp_app,
41 &vlan_id, sizeof(vlan_id), MVRP_ATTR_VID);
44 void vlan_mvrp_request_leave(const struct net_device *dev)
46 const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
47 __be16 vlan_id = htons(vlan->vlan_id);
49 if (vlan->vlan_proto != htons(ETH_P_8021Q))
51 mrp_request_leave(vlan->real_dev, &vlan_mrp_app,
52 &vlan_id, sizeof(vlan_id), MVRP_ATTR_VID);
55 int vlan_mvrp_init_applicant(struct net_device *dev)
57 return mrp_init_applicant(dev, &vlan_mrp_app);
60 void vlan_mvrp_uninit_applicant(struct net_device *dev)
62 mrp_uninit_applicant(dev, &vlan_mrp_app);
65 int __init vlan_mvrp_init(void)
67 return mrp_register_application(&vlan_mrp_app);
70 void vlan_mvrp_uninit(void)
72 mrp_unregister_application(&vlan_mrp_app);