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

   * Copyright (c) 2014-2016, Ericsson AB

   * 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_SOCK_H
  #define _TIPC_SOCK_H

  #include <net/sock.h>

  #include <net/genetlink.h>

  /* Compatibility values for deprecated message based flow control */
  #define FLOWCTL_MSG_WIN 512
  #define FLOWCTL_MSG_LIM ((FLOWCTL_MSG_WIN * 2 + 1) * SKB_TRUESIZE(MAX_MSG_SIZE))
  
  #define FLOWCTL_BLK_SZ 1024
  
  /* Socket receive buffer sizes */
  #define RCVBUF_MIN  (FLOWCTL_BLK_SZ * 512)
  #define RCVBUF_DEF  (FLOWCTL_BLK_SZ * 1024 * 2)
  #define RCVBUF_MAX  (FLOWCTL_BLK_SZ * 1024 * 16)

  struct tipc_sock;

  int tipc_socket_init(void);
  void tipc_socket_stop(void);

  void tipc_sk_rcv(struct net *net, struct sk_buff_head *inputq);

  void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
  		       struct sk_buff_head *inputq);

  void tipc_sk_reinit(struct net *net);
  int tipc_sk_rht_init(struct net *net);
  void tipc_sk_rht_destroy(struct net *net);

  int tipc_nl_sk_dump(struct sk_buff *skb, struct netlink_callback *cb);

  int tipc_nl_publ_dump(struct sk_buff *skb, struct netlink_callback *cb);

  int tipc_sk_fill_sock_diag(struct sk_buff *skb, struct netlink_callback *cb,
  			   struct tipc_sock *tsk, u32 sk_filter_state,

  			   u64 (*tipc_diag_gen_cookie)(struct sock *sk));
  int tipc_nl_sk_walk(struct sk_buff *skb, struct netlink_callback *cb,
  		    int (*skb_handler)(struct sk_buff *skb,
  				       struct netlink_callback *cb,
  				       struct tipc_sock *tsk));

  int tipc_dump_start(struct netlink_callback *cb);

  int __tipc_dump_start(struct netlink_callback *cb, struct net *net);

  int tipc_dump_done(struct netlink_callback *cb);

  u32 tipc_sock_get_portid(struct sock *sk);

  bool tipc_sk_overlimit1(struct sock *sk, struct sk_buff *skb);
  bool tipc_sk_overlimit2(struct sock *sk, struct sk_buff *skb);

  #endif