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