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                                 bool *changed);
  31 int br_get_vlan_tunnel_info_size(struct net_bridge_vlan_group *vg);
  32 int 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 */
  37 int vlan_tunnel_init(struct net_bridge_vlan_group *vg);
  38 void vlan_tunnel_deinit(struct net_bridge_vlan_group *vg);
  39 int nbp_vlan_tunnel_info_delete(struct net_bridge_port *port, u16 vid);
  40 int nbp_vlan_tunnel_info_add(struct net_bridge_port *port, u16 vid, u32 tun_id);
  41 void nbp_vlan_tunnel_info_flush(struct net_bridge_port *port);
  42 void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg,
  43                           struct net_bridge_vlan *vlan);
  44 int br_handle_ingress_vlan_tunnel(struct sk_buff *skb,
  45                                   struct net_bridge_port *p,
  46                                   struct net_bridge_vlan_group *vg);
  47 int br_handle_egress_vlan_tunnel(struct sk_buff *skb,
  48                                  struct net_bridge_vlan *vlan);
  49 #else
  50 static inline int vlan_tunnel_init(struct net_bridge_vlan_group *vg)
  51 {
  52         return 0;
  53 }
  54
  55 static inline int nbp_vlan_tunnel_info_delete(struct net_bridge_port *port,
  56                                               u16 vid)
  57 {
  58         return 0;
  59 }
  60
  61 static inline int nbp_vlan_tunnel_info_add(struct net_bridge_port *port,
  62                                            u16 vid, u32 tun_id)
  63 {
  64         return 0;
  65 }
  66
  67 static inline void nbp_vlan_tunnel_info_flush(struct net_bridge_port *port)
  68 {
  69 }
  70
  71 static inline void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg,
  72                                         struct net_bridge_vlan *vlan)
  73 {
  74 }
  75
  76 static 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