raw_priv.h

00001 /**
00002  * @file
00003  * raw API internal implementations (do not use in application code)
00004  */
00005 
00006 /*
00007  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
00008  * All rights reserved.
00009  *
00010  * Redistribution and use in source and binary forms, with or without modification,
00011  * are permitted provided that the following conditions are met:
00012  *
00013  * 1. Redistributions of source code must retain the above copyright notice,
00014  *    this list of conditions and the following disclaimer.
00015  * 2. Redistributions in binary form must reproduce the above copyright notice,
00016  *    this list of conditions and the following disclaimer in the documentation
00017  *    and/or other materials provided with the distribution.
00018  * 3. The name of the author may not be used to endorse or promote products
00019  *    derived from this software without specific prior written permission.
00020  *
00021  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
00022  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
00023  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
00024  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00025  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
00026  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00027  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00028  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
00029  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
00030  * OF SUCH DAMAGE.
00031  *
00032  * This file is part of the lwIP TCP/IP stack.
00033  *
00034  * Author: Adam Dunkels <adam@sics.se>
00035  *
00036  */
00037 #ifndef LWIP_HDR_RAW_PRIV_H
00038 #define LWIP_HDR_RAW_PRIV_H
00039 
00040 #include "lwip/opt.h"
00041 
00042 #if LWIP_RAW /* don't build if not configured for use in lwipopts.h */
00043 
00044 #include "lwip/raw.h"
00045 
00046 #ifdef __cplusplus
00047 extern "C" {
00048 #endif
00049 
00050 /** return codes for raw_input */
00051 typedef enum raw_input_state
00052 {
00053   RAW_INPUT_NONE = 0, /* pbuf did not match any pcbs */
00054   RAW_INPUT_EATEN,    /* pbuf handed off and delivered to pcb */
00055   RAW_INPUT_DELIVERED /* pbuf only delivered to pcb (pbuf can still be referenced) */
00056 } raw_input_state_t;
00057 
00058 /* The following functions are the lower layer interface to RAW. */
00059 raw_input_state_t raw_input(struct pbuf *p, struct netif *inp);
00060 
00061 void raw_netif_ip_addr_changed(const ip_addr_t* old_addr, const ip_addr_t* new_addr);
00062 
00063 #ifdef __cplusplus
00064 }
00065 #endif
00066 
00067 #endif /* LWIP_RAW */
00068 
00069 #endif /* LWIP_HDR_RAW_PRIV_H */