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EthernetNetIf/LPC2368/lwip/include/lwip/tcpip.h@0:32a0996dff0f, 2012-06-13 (annotated)

Committer:: robertcook
Date:: Wed Jun 13 18:39:46 2012 +0000
Revision:: 0:32a0996dff0f

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User	Revision	Line number	New contents of line
robertcook	0:32a0996dff0f	1	/*
robertcook	0:32a0996dff0f	2	* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
robertcook	0:32a0996dff0f	3	* All rights reserved.
robertcook	0:32a0996dff0f	4	*
robertcook	0:32a0996dff0f	5	* Redistribution and use in source and binary forms, with or without modification,
robertcook	0:32a0996dff0f	6	* are permitted provided that the following conditions are met:
robertcook	0:32a0996dff0f	7	*
robertcook	0:32a0996dff0f	8	* 1. Redistributions of source code must retain the above copyright notice,
robertcook	0:32a0996dff0f	9	* this list of conditions and the following disclaimer.
robertcook	0:32a0996dff0f	10	* 2. Redistributions in binary form must reproduce the above copyright notice,
robertcook	0:32a0996dff0f	11	* this list of conditions and the following disclaimer in the documentation
robertcook	0:32a0996dff0f	12	* and/or other materials provided with the distribution.
robertcook	0:32a0996dff0f	13	* 3. The name of the author may not be used to endorse or promote products
robertcook	0:32a0996dff0f	14	* derived from this software without specific prior written permission.
robertcook	0:32a0996dff0f	15	*
robertcook	0:32a0996dff0f	16	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
robertcook	0:32a0996dff0f	17	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
robertcook	0:32a0996dff0f	18	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
robertcook	0:32a0996dff0f	19	* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
robertcook	0:32a0996dff0f	20	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
robertcook	0:32a0996dff0f	21	* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
robertcook	0:32a0996dff0f	22	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
robertcook	0:32a0996dff0f	23	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
robertcook	0:32a0996dff0f	24	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
robertcook	0:32a0996dff0f	25	* OF SUCH DAMAGE.
robertcook	0:32a0996dff0f	26	*
robertcook	0:32a0996dff0f	27	* This file is part of the lwIP TCP/IP stack.
robertcook	0:32a0996dff0f	28	*
robertcook	0:32a0996dff0f	29	* Author: Adam Dunkels <adam@sics.se>
robertcook	0:32a0996dff0f	30	*
robertcook	0:32a0996dff0f	31	*/
robertcook	0:32a0996dff0f	32	#ifndef __LWIP_TCPIP_H__
robertcook	0:32a0996dff0f	33	#define __LWIP_TCPIP_H__
robertcook	0:32a0996dff0f	34
robertcook	0:32a0996dff0f	35	#include "lwip/opt.h"
robertcook	0:32a0996dff0f	36
robertcook	0:32a0996dff0f	37	#if !NO_SYS /* don't build if not configured for use in lwipopts.h */
robertcook	0:32a0996dff0f	38
robertcook	0:32a0996dff0f	39	#include "lwip/api_msg.h"
robertcook	0:32a0996dff0f	40	#include "lwip/netifapi.h"
robertcook	0:32a0996dff0f	41	#include "lwip/pbuf.h"
robertcook	0:32a0996dff0f	42	#include "lwip/api.h"
robertcook	0:32a0996dff0f	43	#include "lwip/sys.h"
robertcook	0:32a0996dff0f	44	#include "lwip/timers.h"
robertcook	0:32a0996dff0f	45	#include "lwip/netif.h"
robertcook	0:32a0996dff0f	46
robertcook	0:32a0996dff0f	47	#ifdef __cplusplus
robertcook	0:32a0996dff0f	48	extern "C" {
robertcook	0:32a0996dff0f	49	#endif
robertcook	0:32a0996dff0f	50
robertcook	0:32a0996dff0f	51	/** Define this to something that triggers a watchdog. This is called from
robertcook	0:32a0996dff0f	52	* tcpip_thread after processing a message. */
robertcook	0:32a0996dff0f	53	#ifndef LWIP_TCPIP_THREAD_ALIVE
robertcook	0:32a0996dff0f	54	#define LWIP_TCPIP_THREAD_ALIVE()
robertcook	0:32a0996dff0f	55	#endif
robertcook	0:32a0996dff0f	56
robertcook	0:32a0996dff0f	57	#if LWIP_TCPIP_CORE_LOCKING
robertcook	0:32a0996dff0f	58	/** The global semaphore to lock the stack. */
robertcook	0:32a0996dff0f	59	extern sys_mutex_t lock_tcpip_core;
robertcook	0:32a0996dff0f	60	#define LOCK_TCPIP_CORE() sys_mutex_lock(&lock_tcpip_core)
robertcook	0:32a0996dff0f	61	#define UNLOCK_TCPIP_CORE() sys_mutex_unlock(&lock_tcpip_core)
robertcook	0:32a0996dff0f	62	#define TCPIP_APIMSG(m) tcpip_apimsg_lock(m)
robertcook	0:32a0996dff0f	63	#define TCPIP_APIMSG_ACK(m)
robertcook	0:32a0996dff0f	64	#define TCPIP_NETIFAPI(m) tcpip_netifapi_lock(m)
robertcook	0:32a0996dff0f	65	#define TCPIP_NETIFAPI_ACK(m)
robertcook	0:32a0996dff0f	66	#else /* LWIP_TCPIP_CORE_LOCKING */
robertcook	0:32a0996dff0f	67	#define LOCK_TCPIP_CORE()
robertcook	0:32a0996dff0f	68	#define UNLOCK_TCPIP_CORE()
robertcook	0:32a0996dff0f	69	#define TCPIP_APIMSG(m) tcpip_apimsg(m)
robertcook	0:32a0996dff0f	70	#define TCPIP_APIMSG_ACK(m) sys_sem_signal(&m->conn->op_completed)
robertcook	0:32a0996dff0f	71	#define TCPIP_NETIFAPI(m) tcpip_netifapi(m)
robertcook	0:32a0996dff0f	72	#define TCPIP_NETIFAPI_ACK(m) sys_sem_signal(&m->sem)
robertcook	0:32a0996dff0f	73	#endif /* LWIP_TCPIP_CORE_LOCKING */
robertcook	0:32a0996dff0f	74
robertcook	0:32a0996dff0f	75	/** Function prototype for the init_done function passed to tcpip_init */
robertcook	0:32a0996dff0f	76	typedef void (tcpip_init_done_fn)(void arg);
robertcook	0:32a0996dff0f	77	/** Function prototype for functions passed to tcpip_callback() */
robertcook	0:32a0996dff0f	78	typedef void (tcpip_callback_fn)(void ctx);
robertcook	0:32a0996dff0f	79
robertcook	0:32a0996dff0f	80	void tcpip_init(tcpip_init_done_fn tcpip_init_done, void *arg);
robertcook	0:32a0996dff0f	81
robertcook	0:32a0996dff0f	82	#if LWIP_NETCONN
robertcook	0:32a0996dff0f	83	err_t tcpip_apimsg(struct api_msg *apimsg);
robertcook	0:32a0996dff0f	84	#if LWIP_TCPIP_CORE_LOCKING
robertcook	0:32a0996dff0f	85	err_t tcpip_apimsg_lock(struct api_msg *apimsg);
robertcook	0:32a0996dff0f	86	#endif /* LWIP_TCPIP_CORE_LOCKING */
robertcook	0:32a0996dff0f	87	#endif /* LWIP_NETCONN */
robertcook	0:32a0996dff0f	88
robertcook	0:32a0996dff0f	89	err_t tcpip_input(struct pbuf p, struct netif inp);
robertcook	0:32a0996dff0f	90
robertcook	0:32a0996dff0f	91	#if LWIP_NETIF_API
robertcook	0:32a0996dff0f	92	err_t tcpip_netifapi(struct netifapi_msg *netifapimsg);
robertcook	0:32a0996dff0f	93	#if LWIP_TCPIP_CORE_LOCKING
robertcook	0:32a0996dff0f	94	err_t tcpip_netifapi_lock(struct netifapi_msg *netifapimsg);
robertcook	0:32a0996dff0f	95	#endif /* LWIP_TCPIP_CORE_LOCKING */
robertcook	0:32a0996dff0f	96	#endif /* LWIP_NETIF_API */
robertcook	0:32a0996dff0f	97
robertcook	0:32a0996dff0f	98	err_t tcpip_callback_with_block(tcpip_callback_fn function, void *ctx, u8_t block);
robertcook	0:32a0996dff0f	99	#define tcpip_callback(f, ctx) tcpip_callback_with_block(f, ctx, 1)
robertcook	0:32a0996dff0f	100
robertcook	0:32a0996dff0f	101	/* free pbufs or heap memory from another context without blocking */
robertcook	0:32a0996dff0f	102	err_t pbuf_free_callback(struct pbuf *p);
robertcook	0:32a0996dff0f	103	err_t mem_free_callback(void *m);
robertcook	0:32a0996dff0f	104
robertcook	0:32a0996dff0f	105	#if LWIP_TCPIP_TIMEOUT
robertcook	0:32a0996dff0f	106	err_t tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg);
robertcook	0:32a0996dff0f	107	err_t tcpip_untimeout(sys_timeout_handler h, void *arg);
robertcook	0:32a0996dff0f	108	#endif /* LWIP_TCPIP_TIMEOUT */
robertcook	0:32a0996dff0f	109
robertcook	0:32a0996dff0f	110	enum tcpip_msg_type {
robertcook	0:32a0996dff0f	111	#if LWIP_NETCONN
robertcook	0:32a0996dff0f	112	TCPIP_MSG_API,
robertcook	0:32a0996dff0f	113	#endif /* LWIP_NETCONN */
robertcook	0:32a0996dff0f	114	TCPIP_MSG_INPKT,
robertcook	0:32a0996dff0f	115	#if LWIP_NETIF_API
robertcook	0:32a0996dff0f	116	TCPIP_MSG_NETIFAPI,
robertcook	0:32a0996dff0f	117	#endif /* LWIP_NETIF_API */
robertcook	0:32a0996dff0f	118	#if LWIP_TCPIP_TIMEOUT
robertcook	0:32a0996dff0f	119	TCPIP_MSG_TIMEOUT,
robertcook	0:32a0996dff0f	120	TCPIP_MSG_UNTIMEOUT,
robertcook	0:32a0996dff0f	121	#endif /* LWIP_TCPIP_TIMEOUT */
robertcook	0:32a0996dff0f	122	TCPIP_MSG_CALLBACK
robertcook	0:32a0996dff0f	123	};
robertcook	0:32a0996dff0f	124
robertcook	0:32a0996dff0f	125	struct tcpip_msg {
robertcook	0:32a0996dff0f	126	enum tcpip_msg_type type;
robertcook	0:32a0996dff0f	127	sys_sem_t *sem;
robertcook	0:32a0996dff0f	128	union {
robertcook	0:32a0996dff0f	129	#if LWIP_NETCONN
robertcook	0:32a0996dff0f	130	struct api_msg *apimsg;
robertcook	0:32a0996dff0f	131	#endif /* LWIP_NETCONN */
robertcook	0:32a0996dff0f	132	#if LWIP_NETIF_API
robertcook	0:32a0996dff0f	133	struct netifapi_msg *netifapimsg;
robertcook	0:32a0996dff0f	134	#endif /* LWIP_NETIF_API */
robertcook	0:32a0996dff0f	135	struct {
robertcook	0:32a0996dff0f	136	struct pbuf *p;
robertcook	0:32a0996dff0f	137	struct netif *netif;
robertcook	0:32a0996dff0f	138	} inp;
robertcook	0:32a0996dff0f	139	struct {
robertcook	0:32a0996dff0f	140	tcpip_callback_fn function;
robertcook	0:32a0996dff0f	141	void *ctx;
robertcook	0:32a0996dff0f	142	} cb;
robertcook	0:32a0996dff0f	143	#if LWIP_TCPIP_TIMEOUT
robertcook	0:32a0996dff0f	144	struct {
robertcook	0:32a0996dff0f	145	u32_t msecs;
robertcook	0:32a0996dff0f	146	sys_timeout_handler h;
robertcook	0:32a0996dff0f	147	void *arg;
robertcook	0:32a0996dff0f	148	} tmo;
robertcook	0:32a0996dff0f	149	#endif /* LWIP_TCPIP_TIMEOUT */
robertcook	0:32a0996dff0f	150	} msg;
robertcook	0:32a0996dff0f	151	};
robertcook	0:32a0996dff0f	152
robertcook	0:32a0996dff0f	153	#ifdef __cplusplus
robertcook	0:32a0996dff0f	154	}
robertcook	0:32a0996dff0f	155	#endif
robertcook	0:32a0996dff0f	156
robertcook	0:32a0996dff0f	157	#endif /* !NO_SYS */
robertcook	0:32a0996dff0f	158
robertcook	0:32a0996dff0f	159	#endif /* __LWIP_TCPIP_H__ */

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	13 Jun 2012
Imports:	1
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

EthernetNetIf/LPC2368/lwip/include/lwip/tcpip.h@0:32a0996dff0f, 2012-06-13 (annotated)

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