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73 lines
1.8 KiB
73 lines
1.8 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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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 <[email protected]> |
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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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if (vlan->vlan_proto != htons(ETH_P_8021Q)) |
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return 0; |
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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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if (vlan->vlan_proto != htons(ETH_P_8021Q)) |
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return; |
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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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