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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [Common/] [ethernet/] [lwIP_130/] [src/] [include/] [lwip/] [raw.h] - Rev 610
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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_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__ */
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