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/*
 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 *
 * This file is part of the lwIP TCP/IP stack.
 * 
 * Author: Adam Dunkels <adam@sics.se>
 *
 */
#ifndef __LWIP_TCPIP_H__
#define __LWIP_TCPIP_H__
 
#include "lwip/api_msg.h"
#include "lwip/pbuf.h"
 
void tcpip_init(void (* tcpip_init_done)(void *), void *arg);
void tcpip_apimsg(struct api_msg *apimsg);
err_t tcpip_input(struct pbuf *p, struct netif *inp);
err_t tcpip_callback(void (*f)(void *ctx), void *ctx);
 
void tcpip_tcp_timer_needed(void);
 
enum tcpip_msg_type {
  TCPIP_MSG_API,
  TCPIP_MSG_INPUT,
  TCPIP_MSG_CALLBACK
};
 
struct tcpip_msg {
  enum tcpip_msg_type type;
  sys_sem_t *sem;
  union {
    struct api_msg *apimsg;
    struct {
      struct pbuf *p;
      struct netif *netif;
    } inp;
    struct {
      void (*f)(void *ctx);
      void *ctx;
    } cb;
  } msg;
};
 
 
#endif /* __LWIP_TCPIP_H__ */