net/bridge/br_private_tunnel.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *      Bridge per vlan tunnels
   4  *
   5  *      Authors:
   6  *      Roopa Prabhu            <roopa@cumulusnetworks.com>
   7  */
   8
   9 #ifndef _BR_PRIVATE_TUNNEL_H
  10 #define _BR_PRIVATE_TUNNEL_H
  11
  12 struct vtunnel_info {
  13         u32     tunid;
  14         u16     vid;
  15         u16     flags;
  16 };
  17
  18 /* br_netlink_tunnel.c */
  19 int br_parse_vlan_tunnel_info(struct nlattr *attr,
  20                               struct vtunnel_info *tinfo);
  21 int br_process_vlan_tunnel_info(const struct net_bridge *br,
  22                                 const struct net_bridge_port *p,
  23                                 int cmd,
  24                                 struct vtunnel_info *tinfo_curr,
  25                                 struct vtunnel_info *tinfo_last,
  26                                 bool *changed);
  27 int br_get_vlan_tunnel_info_size(struct net_bridge_vlan_group *vg);
  28 int br_fill_vlan_tunnel_info(struct sk_buff *skb,
  29                              struct net_bridge_vlan_group *vg);
  30
  31 #ifdef CONFIG_BRIDGE_VLAN_FILTERING
  32 /* br_vlan_tunnel.c */
  33 int vlan_tunnel_init(struct net_bridge_vlan_group *vg);
  34 void vlan_tunnel_deinit(struct net_bridge_vlan_group *vg);
  35 int nbp_vlan_tunnel_info_delete(const struct net_bridge_port *port, u16 vid);
  36 int nbp_vlan_tunnel_info_add(const struct net_bridge_port *port, u16 vid,
  37                              u32 tun_id);
  38 void nbp_vlan_tunnel_info_flush(struct net_bridge_port *port);
  39 void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg,
  40                           struct net_bridge_vlan *vlan);
  41 int br_handle_ingress_vlan_tunnel(struct sk_buff *skb,
  42                                   struct net_bridge_port *p,
  43                                   struct net_bridge_vlan_group *vg);
  44 int br_handle_egress_vlan_tunnel(struct sk_buff *skb,
  45                                  struct net_bridge_vlan *vlan);
  46 bool vlan_tunid_inrange(const struct net_bridge_vlan *v_curr,
  47                         const struct net_bridge_vlan *v_last);
  48 int br_vlan_tunnel_info(const struct net_bridge_port *p, int cmd,
  49                         u16 vid, u32 tun_id, bool *changed);
  50 #else
  51 static inline int vlan_tunnel_init(struct net_bridge_vlan_group *vg)
  52 {
  53         return 0;
  54 }
  55
  56 static inline int nbp_vlan_tunnel_info_delete(const struct net_bridge_port *port,
  57                                               u16 vid)
  58 {
  59         return 0;
  60 }
  61
  62 static inline int nbp_vlan_tunnel_info_add(const struct net_bridge_port *port,
  63                                            u16 vid, u32 tun_id)
  64 {
  65         return 0;
  66 }
  67
  68 static inline void nbp_vlan_tunnel_info_flush(struct net_bridge_port *port)
  69 {
  70 }
  71
  72 static inline void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg,
  73                                         struct net_bridge_vlan *vlan)
  74 {
  75 }
  76
  77 static inline int br_handle_ingress_vlan_tunnel(struct sk_buff *skb,
  78                                                 struct net_bridge_port *p,
  79                                                 struct net_bridge_vlan_group *vg)
  80 {
  81         return 0;
  82 }
  83 #endif
  84
  85 #endif