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 bool vlan_tunid_inrange(const struct net_bridge_vlan *v_curr,
31 const struct net_bridge_vlan *v_last);
32 int 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 */
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(const struct net_bridge_port *port, u16 vid);
40 int nbp_vlan_tunnel_info_add(const struct net_bridge_port *port, u16 vid,
41 u32 tun_id);
42 void nbp_vlan_tunnel_info_flush(struct net_bridge_port *port);
43 void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg,
44 struct net_bridge_vlan *vlan);
45 void br_handle_ingress_vlan_tunnel(struct sk_buff *skb,
46 struct net_bridge_port *p,
47 struct net_bridge_vlan_group *vg);
48 int br_handle_egress_vlan_tunnel(struct sk_buff *skb,
49 struct net_bridge_vlan *vlan);
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
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