/*
   * net/tipc/bcast.h: Include file for TIPC broadcast code

   *

   * Copyright (c) 2003-2006, Ericsson AB

   * Copyright (c) 2005, 2010-2011, 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_BCAST_H
  #define _TIPC_BCAST_H
  
  #define MAX_NODES 4096
  #define WSIZE 32
  
  /**

   * struct tipc_node_map - set of node identifiers

   * @count: # of nodes in set
   * @map: bitmap of node identifiers that are in the set
   */

  struct tipc_node_map {

  	u32 count;
  	u32 map[MAX_NODES / WSIZE];
  };

  #define PLSIZE 32
  
  /**

   * struct tipc_port_list - set of node local destination ports

   * @count: # of ports in set (only valid for first entry in list)
   * @next: pointer to next entry in list
   * @ports: array of port references
   */

  struct tipc_port_list {

  	int count;

  	struct tipc_port_list *next;

  	u32 ports[PLSIZE];
  };

  struct tipc_node;

  extern const char tipc_bclink_name[];

  void tipc_nmap_add(struct tipc_node_map *nm_ptr, u32 node);
  void tipc_nmap_remove(struct tipc_node_map *nm_ptr, u32 node);

  
  /**

   * tipc_nmap_equal - test for equality of node maps

   */

  static inline int tipc_nmap_equal(struct tipc_node_map *nm_a, struct tipc_node_map *nm_b)

  {
  	return !memcmp(nm_a, nm_b, sizeof(*nm_a));
  }

  void tipc_port_list_add(struct tipc_port_list *pl_ptr, u32 port);
  void tipc_port_list_free(struct tipc_port_list *pl_ptr);

  void tipc_bclink_init(void);

  void tipc_bclink_stop(void);

  void tipc_bclink_add_node(u32 addr);
  void tipc_bclink_remove_node(u32 addr);

  struct tipc_node *tipc_bclink_retransmit_to(void);

  void tipc_bclink_acknowledge(struct tipc_node *n_ptr, u32 acked);

  int  tipc_bclink_send_msg(struct sk_buff *buf);
  void tipc_bclink_recv_pkt(struct sk_buff *buf);
  u32  tipc_bclink_get_last_sent(void);

  u32  tipc_bclink_acks_missing(struct tipc_node *n_ptr);
  void tipc_bclink_check_gap(struct tipc_node *n_ptr, u32 seqno);

  int  tipc_bclink_stats(char *stats_buf, const u32 buf_size);
  int  tipc_bclink_reset_stats(void);
  int  tipc_bclink_set_queue_limits(u32 limit);
  void tipc_bcbearer_sort(void);

  
  #endif