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
84