/**
 * @file
 * raw API internal implementations (do not use in application code)
 */

/*
 * 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_HDR_RAW_PRIV_H
#define LWIP_HDR_RAW_PRIV_H

#include "lwip/opt.h"

#if LWIP_RAW /* don't build if not configured for use in lwipopts.h */

#include "lwip/raw.h"

#ifdef __cplusplus
extern "C" {
#endif

/** return codes for raw_input */
typedef enum raw_input_state {
    RAW_INPUT_NONE = 0, /* pbuf did not match any pcbs */
    RAW_INPUT_EATEN,    /* pbuf handed off and delivered to pcb */
    RAW_INPUT_DELIVERED /* pbuf only delivered to pcb (pbuf can still be referenced) */
} raw_input_state_t;

/* The following functions are the lower layer interface to RAW. */
raw_input_state_t raw_input(struct pbuf *p, struct netif *inp);

void raw_netif_ip_addr_changed(const ip_addr_t *old_addr, const ip_addr_t *new_addr);

#ifdef __cplusplus
}
#endif

#endif /* LWIP_RAW */

#endif /* LWIP_HDR_RAW_PRIV_H */
