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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/def.h"
- #include "lwip/ip.h"
- #include "lwip/ip_addr.h"
- #ifdef __cplusplus
- extern "C" {
- #endif
- struct raw_pcb;
- /** Function prototype for raw pcb receive callback functions.
- * @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.
- */
- typedef u8_t (*raw_recv_fn)(void *arg, struct raw_pcb *pcb, struct pbuf *p,
- ip_addr_t *addr);
- struct raw_pcb {
- /* Common members of all PCB types */
- IP_PCB;
- struct raw_pcb *next;
- u8_t protocol;
- /** receive callback function */
- raw_recv_fn recv;
- /* 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)ICACHE_FLASH_ATTR;
- void raw_remove (struct raw_pcb *pcb)ICACHE_FLASH_ATTR;
- err_t raw_bind (struct raw_pcb *pcb, ip_addr_t *ipaddr)ICACHE_FLASH_ATTR;
- err_t raw_connect (struct raw_pcb *pcb, ip_addr_t *ipaddr)ICACHE_FLASH_ATTR;
- void raw_recv (struct raw_pcb *pcb, raw_recv_fn recv, void *recv_arg)ICACHE_FLASH_ATTR;
- err_t raw_sendto (struct raw_pcb *pcb, struct pbuf *p, ip_addr_t *ipaddr)ICACHE_FLASH_ATTR;
- 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)ICACHE_FLASH_ATTR;
- #define raw_init() /* Compatibility define, not init needed. */
- #ifdef __cplusplus
- }
- #endif
- #endif /* LWIP_RAW */
- #endif /* __LWIP_RAW_H__ */
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