1 files changed, 72 insertions, 0 deletions

diff --git a/net/8021q/vlan_mvrp.c b/net/8021q/vlan_mvrp.c
new file mode 100644
index 000000000000..d9ec1d5964aa
--- /dev/null
+++ b/net/8021q/vlan_mvrp.c
@@ -0,0 +1,72 @@
+/*
+ *      IEEE 802.1Q Multiple VLAN Registration Protocol (MVRP)
+ *
+ *      Copyright (c) 2012 Massachusetts Institute of Technology
+ *
+ *      Adapted from code in net/8021q/vlan_gvrp.c
+ *      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_ether.h>
+#include <linux/if_vlan.h>
+#include <net/mrp.h>
+#include "vlan.h"
+
+#define MRP_MVRP_ADDRESS        { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x21 }
+
+enum mvrp_attributes {
+        MVRP_ATTR_INVALID,
+        MVRP_ATTR_VID,
+        __MVRP_ATTR_MAX
+};
+#define MVRP_ATTR_MAX   (__MVRP_ATTR_MAX - 1)
+
+static struct mrp_application vlan_mrp_app __read_mostly = {
+        .type           = MRP_APPLICATION_MVRP,
+        .maxattr        = MVRP_ATTR_MAX,
+        .pkttype.type   = htons(ETH_P_MVRP),
+        .group_address  = MRP_MVRP_ADDRESS,
+        .version        = 0,
+};
+
+int vlan_mvrp_request_join(const struct net_device *dev)
+{
+        const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
+        __be16 vlan_id = htons(vlan->vlan_id);
+
+        return mrp_request_join(vlan->real_dev, &vlan_mrp_app,
+                                &vlan_id, sizeof(vlan_id), MVRP_ATTR_VID);
+}
+
+void vlan_mvrp_request_leave(const struct net_device *dev)
+{
+        const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
+        __be16 vlan_id = htons(vlan->vlan_id);
+
+        mrp_request_leave(vlan->real_dev, &vlan_mrp_app,
+                          &vlan_id, sizeof(vlan_id), MVRP_ATTR_VID);
+}
+
+int vlan_mvrp_init_applicant(struct net_device *dev)
+{
+        return mrp_init_applicant(dev, &vlan_mrp_app);
+}
+
+void vlan_mvrp_uninit_applicant(struct net_device *dev)
+{
+        mrp_uninit_applicant(dev, &vlan_mrp_app);
+}
+
+int __init vlan_mvrp_init(void)
+{
+        return mrp_register_application(&vlan_mrp_app);
+}
+
+void vlan_mvrp_uninit(void)
+{
+        mrp_unregister_application(&vlan_mrp_app);
+}