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
12struct vtunnel_info {
13 u32 tunid;
14 u16 vid;
15 u16 flags;
16};
17
18/* br_netlink_tunnel.c */
19int br_parse_vlan_tunnel_info(struct nlattr *attr,
20 struct vtunnel_info *tinfo);
21int 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);
27int br_get_vlan_tunnel_info_size(struct net_bridge_vlan_group *vg);
28int br_fill_vlan_tunnel_info(struct sk_buff *skb,
29 struct net_bridge_vlan_group *vg);
30bool vlan_tunid_inrange(const struct net_bridge_vlan *v_curr,
31 const struct net_bridge_vlan *v_last);
32int br_vlan_tunnel_info(const struct net_bridge_port *p, int cmd,
33 u16 vid, u32 tun_id, bool *changed);
34
35#ifdef CONFIG_BRIDGE_VLAN_FILTERING
36/* br_vlan_tunnel.c */
37int vlan_tunnel_init(struct net_bridge_vlan_group *vg);
38void vlan_tunnel_deinit(struct net_bridge_vlan_group *vg);
39int nbp_vlan_tunnel_info_delete(const struct net_bridge_port *port, u16 vid);
40int nbp_vlan_tunnel_info_add(const struct net_bridge_port *port, u16 vid,
41 u32 tun_id);
42void nbp_vlan_tunnel_info_flush(struct net_bridge_port *port);
43void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg,
44 struct net_bridge_vlan *vlan);
45void br_handle_ingress_vlan_tunnel(struct sk_buff *skb,
46 struct net_bridge_port *p,
47 struct net_bridge_vlan_group *vg);
48int br_handle_egress_vlan_tunnel(struct sk_buff *skb,
49 struct net_bridge_vlan *vlan);
50#else
51static inline int vlan_tunnel_init(struct net_bridge_vlan_group *vg)
52{
53 return 0;
54}
55
56static inline int nbp_vlan_tunnel_info_delete(const struct net_bridge_port *port,
57 u16 vid)
58{
59 return 0;
60}
61
62static 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
68static inline void nbp_vlan_tunnel_info_flush(struct net_bridge_port *port)
69{
70}
71
72static inline void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg,
73 struct net_bridge_vlan *vlan)
74{
75}
76
77static 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

source code of linux/net/bridge/br_private_tunnel.h