net/bridge/br_private_tunnel.h

   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
  16 struct vtunnel_info {
  17         u32     tunid;
  18         u16     vid;
  19         u16     flags;
  20 };
  21
  22 /* br_netlink_tunnel.c */
  23 int br_parse_vlan_tunnel_info(struct nlattr *attr,
  24                               struct vtunnel_info *tinfo);
  25 int 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 int br_get_vlan_tunnel_info_size(struct net_bridge_vlan_group *vg);
  31 int br_fill_vlan_tunnel_info(struct sk_buff *skb,
  32                              struct net_bridge_vlan_group *vg);
  33
  34 #ifdef CONFIG_BRIDGE_VLAN_FILTERING
  35 /* br_vlan_tunnel.c */
  36 int vlan_tunnel_init(struct net_bridge_vlan_group *vg);
  37 void vlan_tunnel_deinit(struct net_bridge_vlan_group *vg);
  38 int nbp_vlan_tunnel_info_delete(struct net_bridge_port *port, u16 vid);
  39 int nbp_vlan_tunnel_info_add(struct net_bridge_port *port, u16 vid, u32 tun_id);
  40 void nbp_vlan_tunnel_info_flush(struct net_bridge_port *port);
  41 void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg,
  42                           struct net_bridge_vlan *vlan);
  43 int br_handle_ingress_vlan_tunnel(struct sk_buff *skb,
  44                                   struct net_bridge_port *p,
  45                                   struct net_bridge_vlan_group *vg);
  46 int br_handle_egress_vlan_tunnel(struct sk_buff *skb,
  47                                  struct net_bridge_vlan *vlan);
  48 #else
  49 static inline int vlan_tunnel_init(struct net_bridge_vlan_group *vg)
  50 {
  51         return 0;
  52 }
  53
  54 static inline int nbp_vlan_tunnel_info_delete(struct net_bridge_port *port,
  55                                               u16 vid)
  56 {
  57         return 0;
  58 }
  59
  60 static inline int nbp_vlan_tunnel_info_add(struct net_bridge_port *port,
  61                                            u16 vid, u32 tun_id)
  62 {
  63         return 0;
  64 }
  65
  66 static inline void nbp_vlan_tunnel_info_flush(struct net_bridge_port *port)
  67 {
  68 }
  69
  70 static inline void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg,
  71                                         struct net_bridge_vlan *vlan)
  72 {
  73 }
  74
  75 static inline int br_handle_ingress_vlan_tunnel(struct sk_buff *skb,
  76                                                 struct net_bridge_port *p,
  77                                                 struct net_bridge_vlan_group *vg)
  78 {
  79         return 0;
  80 }
  81 #endif
  82
  83 #endif