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author | David Ward <david.ward@ll.mit.edu> | 2013-02-08 17:17:07 +0000 |
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committer | David S. Miller <davem@davemloft.net> | 2013-02-10 20:37:22 -0500 |
commit | 86fbe9bb599fcaf7e92e38dbfdad0414a2d68f7d (patch) | |
tree | 2e8b109de2f0e3b5c1b59f8dd2737388109ef982 /net/8021q/vlan_mvrp.c | |
parent | febf018d22347b5df94066bca05d0c11a84e839d (diff) | |
download | linux-86fbe9bb599fcaf7e92e38dbfdad0414a2d68f7d.tar.gz linux-86fbe9bb599fcaf7e92e38dbfdad0414a2d68f7d.tar.bz2 linux-86fbe9bb599fcaf7e92e38dbfdad0414a2d68f7d.zip |
net/8021q: Implement Multiple VLAN Registration Protocol (MVRP)
Initial implementation of the Multiple VLAN Registration Protocol
(MVRP) from IEEE 802.1Q-2011, based on the existing implementation
of the GARP VLAN Registration Protocol (GVRP).
Signed-off-by: David Ward <david.ward@ll.mit.edu>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q/vlan_mvrp.c')
-rw-r--r-- | net/8021q/vlan_mvrp.c | 72 |
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); +} |