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
86