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