/* | |
* 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_RAW_H__ | |
#define __LWIP_RAW_H__ | |
#include "lwip/opt.h" | |
#if LWIP_RAW /* don't build if not configured for use in lwipopts.h */ | |
#include "lwip/pbuf.h" | |
#include "lwip/inet.h" | |
#include "lwip/ip.h" | |
#include "lwip/ip_addr.h" | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
struct raw_pcb { | |
/* Common members of all PCB types */ | |
IP_PCB; | |
struct raw_pcb *next; | |
u8_t protocol; | |
/* receive callback function | |
* @param arg user supplied argument (raw_pcb.recv_arg) | |
* @param pcb the raw_pcb which received data | |
* @param p the packet buffer that was received | |
* @param addr the remote IP address from which the packet was received | |
* @return 1 if the packet was 'eaten' (aka. deleted), | |
* 0 if the packet lives on | |
* If returning 1, the callback is responsible for freeing the pbuf | |
* if it's not used any more. | |
*/ | |
u8_t (* recv)(void *arg, struct raw_pcb *pcb, struct pbuf *p, | |
struct ip_addr *addr); | |
/* user-supplied argument for the recv callback */ | |
void *recv_arg; | |
}; | |
/* The following functions is the application layer interface to the | |
RAW code. */ | |
struct raw_pcb * raw_new (u8_t proto); | |
void raw_remove (struct raw_pcb *pcb); | |
err_t raw_bind (struct raw_pcb *pcb, struct ip_addr *ipaddr); | |
err_t raw_connect (struct raw_pcb *pcb, struct ip_addr *ipaddr); | |
void raw_recv (struct raw_pcb *pcb, | |
u8_t (* recv)(void *arg, struct raw_pcb *pcb, | |
struct pbuf *p, | |
struct ip_addr *addr), | |
void *recv_arg); | |
err_t raw_sendto (struct raw_pcb *pcb, struct pbuf *p, struct ip_addr *ipaddr); | |
err_t raw_send (struct raw_pcb *pcb, struct pbuf *p); | |
/* The following functions are the lower layer interface to RAW. */ | |
u8_t raw_input (struct pbuf *p, struct netif *inp); | |
#define raw_init() /* Compatibility define, not init needed. */ | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* LWIP_RAW */ | |
#endif /* __LWIP_RAW_H__ */ |