/*
   * net/tipc/addr.h: Include file for TIPC address utility routines

   *

   * Copyright (c) 2000-2006, 2018, Ericsson AB

   * Copyright (c) 2004-2005, Wind River Systems

   * All rights reserved.
   *

   * Redistribution and use in source and binary forms, with or without

   * modification, are permitted provided that the following conditions are met:
   *

   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. Neither the names of the copyright holders nor the names of its
   *    contributors may be used to endorse or promote products derived from
   *    this software without specific prior written permission.

   *

   * Alternatively, this software may be distributed under the terms of the
   * GNU General Public License ("GPL") version 2 as published by the Free
   * Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

   * POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef _TIPC_ADDR_H
  #define _TIPC_ADDR_H

  #include <linux/types.h>
  #include <linux/tipc.h>

  #include <net/net_namespace.h>
  #include <net/netns/generic.h>

  #include "core.h"

  static inline u32 tipc_own_addr(struct net *net)
  {

  	return tipc_net(net)->node_addr;
  }
  
  static inline u8 *tipc_own_id(struct net *net)
  {

  	struct tipc_net *tn = tipc_net(net);

  	if (!strlen(tn->node_id_string))
  		return NULL;
  	return tn->node_id;
  }
  
  static inline char *tipc_own_id_string(struct net *net)
  {
  	return tipc_net(net)->node_id_string;

  }

  static inline u32 tipc_cluster_mask(u32 addr)
  {

  	return addr & TIPC_ZONE_CLUSTER_MASK;

  }

  static inline int tipc_node2scope(u32 node)
  {
  	return node ? TIPC_NODE_SCOPE : TIPC_CLUSTER_SCOPE;
  }
  
  static inline int tipc_scope2node(struct net *net, int sc)
  {
  	return sc != TIPC_NODE_SCOPE ? 0 : tipc_own_addr(net);
  }

  static inline int in_own_node(struct net *net, u32 addr)
  {
  	return addr == tipc_own_addr(net) || !addr;
  }

  bool tipc_in_scope(bool legacy_format, u32 domain, u32 addr);

  void tipc_set_node_id(struct net *net, u8 *id);
  void tipc_set_node_addr(struct net *net, u32 addr);
  char *tipc_nodeid2string(char *str, u8 *id);
  u32 tipc_node_id2hash(u8 *id128);

  #endif