1/* 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 25 * OF SUCH DAMAGE. 26 * 27 * This file is part of the lwIP TCP/IP stack. 28 * 29 * Author: Adam Dunkels <adam@sics.se> 30 * 31 */ 32#ifndef __LWIP_RAW_H__ 33#define __LWIP_RAW_H__ 34 35#include "lwip/opt.h" 36 37#if LWIP_RAW /* don't build if not configured for use in lwipopts.h */ 38 39#include "lwip/pbuf.h" 40#include "lwip/inet.h" 41#include "lwip/ip.h" 42#include "lwip/ip_addr.h" 43 44#ifdef __cplusplus 45extern "C" { 46#endif 47 48 struct raw_pcb { 49/* Common members of all PCB types */ 50 IP_PCB; 51 52 struct raw_pcb *next; 53 54 u8_t protocol; 55 56 /* receive callback function 57 * @param arg user supplied argument (raw_pcb.recv_arg) 58 * @param pcb the raw_pcb which received data 59 * @param p the packet buffer that was received 60 * @param addr the remote IP address from which the packet was received 61 * @return 1 if the packet was 'eaten' (aka. deleted), 62 * 0 if the packet lives on 63 * If returning 1, the callback is responsible for freeing the pbuf 64 * if it's not used any more. 65 */ 66 u8_t(*recv) (void *arg, struct raw_pcb * pcb, struct pbuf * p, 67 struct ip_addr * addr); 68 /* user-supplied argument for the recv callback */ 69 void *recv_arg; 70 }; 71 72/* The following functions is the application layer interface to the 73 RAW code. */ 74 struct raw_pcb *raw_new(u8_t proto); 75 void raw_remove(struct raw_pcb *pcb); 76 err_t raw_bind(struct raw_pcb *pcb, struct ip_addr *ipaddr); 77 err_t raw_connect(struct raw_pcb *pcb, struct ip_addr *ipaddr); 78 79 void raw_recv(struct raw_pcb *pcb, 80 u8_t(*recv) (void *arg, struct raw_pcb * pcb, 81 struct pbuf * p, 82 struct ip_addr * addr), void *recv_arg); 83 err_t raw_sendto(struct raw_pcb *pcb, struct pbuf *p, 84 struct ip_addr *ipaddr); 85 err_t raw_send(struct raw_pcb *pcb, struct pbuf *p); 86 87/* The following functions are the lower layer interface to RAW. */ 88 u8_t raw_input(struct pbuf *p, struct netif *inp); 89#define raw_init() /* Compatibility define, not init needed. */ 90 91#ifdef __cplusplus 92} 93#endif 94#endif /* LWIP_RAW */ 95#endif /* __LWIP_RAW_H__ */ 96