/* | |
* 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_TCPIP_H__ | |
#define __LWIP_TCPIP_H__ | |
#include "lwip/opt.h" | |
#if !NO_SYS /* don't build if not configured for use in lwipopts.h */ | |
#include "lwip/api_msg.h" | |
#include "lwip/netifapi.h" | |
#include "lwip/pbuf.h" | |
#include "lwip/api.h" | |
#include "lwip/sys.h" | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
#if LWIP_TCPIP_CORE_LOCKING | |
/** The global semaphore to lock the stack. */ | |
extern sys_sem_t lock_tcpip_core; | |
#define LOCK_TCPIP_CORE() sys_sem_wait(lock_tcpip_core) | |
#define UNLOCK_TCPIP_CORE() sys_sem_signal(lock_tcpip_core) | |
#define TCPIP_APIMSG(m) tcpip_apimsg_lock(m) | |
#define TCPIP_APIMSG_ACK(m) | |
#define TCPIP_NETIFAPI(m) tcpip_netifapi_lock(m) | |
#define TCPIP_NETIFAPI_ACK(m) | |
#else | |
#define LOCK_TCPIP_CORE() | |
#define UNLOCK_TCPIP_CORE() | |
#define TCPIP_APIMSG(m) tcpip_apimsg(m) | |
#define TCPIP_APIMSG_ACK(m) sys_sem_signal(m->conn->op_completed) | |
#define TCPIP_NETIFAPI(m) tcpip_netifapi(m) | |
#define TCPIP_NETIFAPI_ACK(m) sys_sem_signal(m->sem) | |
#endif /* LWIP_TCPIP_CORE_LOCKING */ | |
void tcpip_init(void (* tcpip_init_done)(void *), void *arg); | |
#if LWIP_NETCONN | |
err_t tcpip_apimsg(struct api_msg *apimsg); | |
#if LWIP_TCPIP_CORE_LOCKING | |
err_t tcpip_apimsg_lock(struct api_msg *apimsg); | |
#endif /* LWIP_TCPIP_CORE_LOCKING */ | |
#endif /* LWIP_NETCONN */ | |
err_t tcpip_input(struct pbuf *p, struct netif *inp); | |
#if LWIP_NETIF_API | |
err_t tcpip_netifapi(struct netifapi_msg *netifapimsg); | |
#if LWIP_TCPIP_CORE_LOCKING | |
err_t tcpip_netifapi_lock(struct netifapi_msg *netifapimsg); | |
#endif /* LWIP_TCPIP_CORE_LOCKING */ | |
#endif /* LWIP_NETIF_API */ | |
err_t tcpip_callback_with_block(void (*f)(void *ctx), void *ctx, u8_t block); | |
#define tcpip_callback(f,ctx) tcpip_callback_with_block(f,ctx,1) | |
err_t tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg); | |
#define tcpip_untimeout(h, arg) tcpip_timeout(0xffffffff, h, arg) | |
enum tcpip_msg_type { | |
#if LWIP_NETCONN | |
TCPIP_MSG_API, | |
#endif /* LWIP_NETCONN */ | |
TCPIP_MSG_INPKT, | |
#if LWIP_NETIF_API | |
TCPIP_MSG_NETIFAPI, | |
#endif /* LWIP_NETIF_API */ | |
TCPIP_MSG_CALLBACK, | |
TCPIP_MSG_TIMEOUT | |
}; | |
struct tcpip_msg { | |
enum tcpip_msg_type type; | |
sys_sem_t *sem; | |
union { | |
#if LWIP_NETCONN | |
struct api_msg *apimsg; | |
#endif /* LWIP_NETCONN */ | |
#if LWIP_NETIF_API | |
struct netifapi_msg *netifapimsg; | |
#endif /* LWIP_NETIF_API */ | |
struct { | |
struct pbuf *p; | |
struct netif *netif; | |
} inp; | |
struct { | |
void (*f)(void *ctx); | |
void *ctx; | |
} cb; | |
struct { | |
u32_t msecs; | |
sys_timeout_handler h; | |
void *arg; | |
} tmo; | |
} msg; | |
}; | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* !NO_SYS */ | |
#endif /* __LWIP_TCPIP_H__ */ |