LXR linux/net/bridge/br_private

   1/*
   2 *      Bridge per vlan tunnels
   3 *
   4 *      Authors:
   5 *      Roopa Prabhu            <roopa@cumulusnetworks.com>
   6 *
   7 *      This program is free software; you can redistribute it and/or
   8 *      modify it under the terms of the GNU General Public License
   9 *      as published by the Free Software Foundation; either version
  10 *      2 of the License, or (at your option) any later version.
  11 */
  12
  13#ifndef _BR_PRIVATE_TUNNEL_H
  14#define _BR_PRIVATE_TUNNEL_H
  15
  16struct vtunnel_info {
  17        u32     tunid;
  18        u16     vid;
  19        u16     flags;
  20};
  21
  22/* br_netlink_tunnel.c */
  23int br_parse_vlan_tunnel_info(struct nlattr *attr,
  24                              struct vtunnel_info *tinfo);
  25int br_process_vlan_tunnel_info(struct net_bridge *br,
  26                                struct net_bridge_port *p,
  27                                int cmd,
  28                                struct vtunnel_info *tinfo_curr,
  29                                struct vtunnel_info *tinfo_last,
  30                                bool *changed);
  31int br_get_vlan_tunnel_info_size(struct net_bridge_vlan_group *vg);
  32int br_fill_vlan_tunnel_info(struct sk_buff *skb,
  33                             struct net_bridge_vlan_group *vg);
  34
  35#ifdef CONFIG_BRIDGE_VLAN_FILTERING
  36/* br_vlan_tunnel.c */
  37int vlan_tunnel_init(struct net_bridge_vlan_group *vg);
  38void vlan_tunnel_deinit(struct net_bridge_vlan_group *vg);
  39int nbp_vlan_tunnel_info_delete(struct net_bridge_port *port, u16 vid);
  40int nbp_vlan_tunnel_info_add(struct net_bridge_port *port, u16 vid, u32 tun_id);
  41void nbp_vlan_tunnel_info_flush(struct net_bridge_port *port);
  42void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg,
  43                          struct net_bridge_vlan *vlan);
  44int br_handle_ingress_vlan_tunnel(struct sk_buff *skb,
  45                                  struct net_bridge_port *p,
  46                                  struct net_bridge_vlan_group *vg);
  47int br_handle_egress_vlan_tunnel(struct sk_buff *skb,
  48                                 struct net_bridge_vlan *vlan);
  49#else
  50static inline int vlan_tunnel_init(struct net_bridge_vlan_group *vg)
  51{
  52        return 0;
  53}
  54
  55static inline int nbp_vlan_tunnel_info_delete(struct net_bridge_port *port,
  56                                              u16 vid)
  57{
  58        return 0;
  59}
  60
  61static inline int nbp_vlan_tunnel_info_add(struct net_bridge_port *port,
  62                                           u16 vid, u32 tun_id)
  63{
  64        return 0;
  65}
  66
  67static inline void nbp_vlan_tunnel_info_flush(struct net_bridge_port *port)
  68{
  69}
  70
  71static inline void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg,
  72                                        struct net_bridge_vlan *vlan)
  73{
  74}
  75
  76static inline int br_handle_ingress_vlan_tunnel(struct sk_buff *skb,
  77                                                struct net_bridge_port *p,
  78                                                struct net_bridge_vlan_group *vg)
  79{
  80        return 0;
  81}
  82#endif
  83
  84#endif
  85