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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/net/bridge/br_private_tunnel.h
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/* SPDX-License-Identifier: GPL-2.0-or-later */

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/*

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 *	Bridge per vlan tunnels

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 *

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 *	Authors:

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 *	Roopa Prabhu		<[email protected]>

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 */

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#ifndef _BR_PRIVATE_TUNNEL_H

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#define _BR_PRIVATE_TUNNEL_H

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struct vtunnel_info {

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	u32	tunid;

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	u16	vid;

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	u16	flags;

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};

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/* br_netlink_tunnel.c */

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int br_parse_vlan_tunnel_info(struct nlattr *attr,

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			      struct vtunnel_info *tinfo);

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int br_process_vlan_tunnel_info(const struct net_bridge *br,

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				const struct net_bridge_port *p,

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				int cmd,

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				struct vtunnel_info *tinfo_curr,

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				struct vtunnel_info *tinfo_last,

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				bool *changed);

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int br_get_vlan_tunnel_info_size(struct net_bridge_vlan_group *vg);

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int br_fill_vlan_tunnel_info(struct sk_buff *skb,

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			     struct net_bridge_vlan_group *vg);

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bool vlan_tunid_inrange(const struct net_bridge_vlan *v_curr,

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			const struct net_bridge_vlan *v_last);

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int br_vlan_tunnel_info(const struct net_bridge_port *p, int cmd,

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			u16 vid, u32 tun_id, bool *changed);

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#ifdef CONFIG_BRIDGE_VLAN_FILTERING

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/* br_vlan_tunnel.c */

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int vlan_tunnel_init(struct net_bridge_vlan_group *vg);

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void vlan_tunnel_deinit(struct net_bridge_vlan_group *vg);

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int nbp_vlan_tunnel_info_delete(const struct net_bridge_port *port, u16 vid);

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int nbp_vlan_tunnel_info_add(const struct net_bridge_port *port, u16 vid,

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			     u32 tun_id);

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void nbp_vlan_tunnel_info_flush(struct net_bridge_port *port);

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void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg,

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			  struct net_bridge_vlan *vlan);

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void br_handle_ingress_vlan_tunnel(struct sk_buff *skb,

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				   struct net_bridge_port *p,

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				   struct net_bridge_vlan_group *vg);

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int br_handle_egress_vlan_tunnel(struct sk_buff *skb,

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				 struct net_bridge_vlan *vlan);

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#else

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static inline int vlan_tunnel_init(struct net_bridge_vlan_group *vg)

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{

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	return 0;

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}

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static inline int nbp_vlan_tunnel_info_delete(const struct net_bridge_port *port,

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					      u16 vid)

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{

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	return 0;

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}

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static inline int nbp_vlan_tunnel_info_add(const struct net_bridge_port *port,

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					   u16 vid, u32 tun_id)

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{

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	return 0;

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}

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static inline void nbp_vlan_tunnel_info_flush(struct net_bridge_port *port)

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{

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}

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static inline void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg,

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					struct net_bridge_vlan *vlan)

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{

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}

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static inline int br_handle_ingress_vlan_tunnel(struct sk_buff *skb,

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						struct net_bridge_port *p,

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						struct net_bridge_vlan_group *vg)

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{

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	return 0;

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}

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#endif

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#endif

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