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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Thunderbolt driver - Tunneling support
*
* Copyright (c) 2014 Andreas Noever <andreas.noever@gmail.com>
* Copyright (C) 2019, Intel Corporation
*/
#ifndef TB_TUNNEL_H_
#define TB_TUNNEL_H_
#include "tb.h"
/**
* struct tb_tunnel - Tunnel between two ports
* @tb: Pointer to the domain
* @src_port: Source port of the tunnel
* @dst_port: Destination port of the tunnel
* @paths: All paths required by the tunnel
* @npaths: Number of paths in @paths
* @activate: Optional tunnel specific activation/deactivation
* @list: Tunnels are linked using this field
*/
struct tb_tunnel {
struct tb *tb;
struct tb_port *src_port;
struct tb_port *dst_port;
struct tb_path **paths;
size_t npaths;
int (*activate)(struct tb_tunnel *tunnel, bool activate);
struct list_head list;
};
struct tb_tunnel *tb_tunnel_alloc_pci(struct tb *tb, struct tb_port *up,
struct tb_port *down);
void tb_tunnel_free(struct tb_tunnel *tunnel);
int tb_tunnel_activate(struct tb_tunnel *tunnel);
int tb_tunnel_restart(struct tb_tunnel *tunnel);
void tb_tunnel_deactivate(struct tb_tunnel *tunnel);
bool tb_tunnel_is_invalid(struct tb_tunnel *tunnel);
#endif
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