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Dependencies:   TextLCD mbed

EthernetNetIf/LPC1768/lwip/include/lwip/tcpip.h@1:57304b082776, 2012-08-31 (annotated)

Committer:
nxpfan
Date:
Fri Aug 31 08:29:07 2012 +0000
Revision:
1:57304b082776
Parent:
0:66c7c9c4f765 
mbed-lib has been updated also

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nxpfan 0:66c7c9c4f765 1 /*
nxpfan 0:66c7c9c4f765 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
nxpfan 0:66c7c9c4f765 3 * All rights reserved.
nxpfan 0:66c7c9c4f765 4 *
nxpfan 0:66c7c9c4f765 5 * Redistribution and use in source and binary forms, with or without modification,
nxpfan 0:66c7c9c4f765 6 * are permitted provided that the following conditions are met:
nxpfan 0:66c7c9c4f765 7 *
nxpfan 0:66c7c9c4f765 8 * 1. Redistributions of source code must retain the above copyright notice,
nxpfan 0:66c7c9c4f765 9 * this list of conditions and the following disclaimer.
nxpfan 0:66c7c9c4f765 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
nxpfan 0:66c7c9c4f765 11 * this list of conditions and the following disclaimer in the documentation
nxpfan 0:66c7c9c4f765 12 * and/or other materials provided with the distribution.
nxpfan 0:66c7c9c4f765 13 * 3. The name of the author may not be used to endorse or promote products
nxpfan 0:66c7c9c4f765 14 * derived from this software without specific prior written permission.
nxpfan 0:66c7c9c4f765 15 *
nxpfan 0:66c7c9c4f765 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
nxpfan 0:66c7c9c4f765 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
nxpfan 0:66c7c9c4f765 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
nxpfan 0:66c7c9c4f765 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
nxpfan 0:66c7c9c4f765 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
nxpfan 0:66c7c9c4f765 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
nxpfan 0:66c7c9c4f765 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
nxpfan 0:66c7c9c4f765 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
nxpfan 0:66c7c9c4f765 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
nxpfan 0:66c7c9c4f765 25 * OF SUCH DAMAGE.
nxpfan 0:66c7c9c4f765 26 *
nxpfan 0:66c7c9c4f765 27 * This file is part of the lwIP TCP/IP stack.
nxpfan 0:66c7c9c4f765 28 *
nxpfan 0:66c7c9c4f765 29 * Author: Adam Dunkels <adam@sics.se>
nxpfan 0:66c7c9c4f765 30 *
nxpfan 0:66c7c9c4f765 31 */
nxpfan 0:66c7c9c4f765 32 #ifndef __LWIP_TCPIP_H__
nxpfan 0:66c7c9c4f765 33 #define __LWIP_TCPIP_H__
nxpfan 0:66c7c9c4f765 34
nxpfan 0:66c7c9c4f765 35 #include "lwip/opt.h"
nxpfan 0:66c7c9c4f765 36
nxpfan 0:66c7c9c4f765 37 #if !NO_SYS /* don't build if not configured for use in lwipopts.h */
nxpfan 0:66c7c9c4f765 38
nxpfan 0:66c7c9c4f765 39 #include "lwip/api_msg.h"
nxpfan 0:66c7c9c4f765 40 #include "lwip/netifapi.h"
nxpfan 0:66c7c9c4f765 41 #include "lwip/pbuf.h"
nxpfan 0:66c7c9c4f765 42 #include "lwip/api.h"
nxpfan 0:66c7c9c4f765 43 #include "lwip/sys.h"
nxpfan 0:66c7c9c4f765 44 #include "lwip/timers.h"
nxpfan 0:66c7c9c4f765 45 #include "lwip/netif.h"
nxpfan 0:66c7c9c4f765 46
nxpfan 0:66c7c9c4f765 47 #ifdef __cplusplus
nxpfan 0:66c7c9c4f765 48 extern "C" {
nxpfan 0:66c7c9c4f765 49 #endif
nxpfan 0:66c7c9c4f765 50
nxpfan 0:66c7c9c4f765 51 /** Define this to something that triggers a watchdog. This is called from
nxpfan 0:66c7c9c4f765 52 * tcpip_thread after processing a message. */
nxpfan 0:66c7c9c4f765 53 #ifndef LWIP_TCPIP_THREAD_ALIVE
nxpfan 0:66c7c9c4f765 54 #define LWIP_TCPIP_THREAD_ALIVE()
nxpfan 0:66c7c9c4f765 55 #endif
nxpfan 0:66c7c9c4f765 56
nxpfan 0:66c7c9c4f765 57 #if LWIP_TCPIP_CORE_LOCKING
nxpfan 0:66c7c9c4f765 58 /** The global semaphore to lock the stack. */
nxpfan 0:66c7c9c4f765 59 extern sys_mutex_t lock_tcpip_core;
nxpfan 0:66c7c9c4f765 60 #define LOCK_TCPIP_CORE() sys_mutex_lock(&lock_tcpip_core)
nxpfan 0:66c7c9c4f765 61 #define UNLOCK_TCPIP_CORE() sys_mutex_unlock(&lock_tcpip_core)
nxpfan 0:66c7c9c4f765 62 #define TCPIP_APIMSG(m) tcpip_apimsg_lock(m)
nxpfan 0:66c7c9c4f765 63 #define TCPIP_APIMSG_ACK(m)
nxpfan 0:66c7c9c4f765 64 #define TCPIP_NETIFAPI(m) tcpip_netifapi_lock(m)
nxpfan 0:66c7c9c4f765 65 #define TCPIP_NETIFAPI_ACK(m)
nxpfan 0:66c7c9c4f765 66 #else /* LWIP_TCPIP_CORE_LOCKING */
nxpfan 0:66c7c9c4f765 67 #define LOCK_TCPIP_CORE()
nxpfan 0:66c7c9c4f765 68 #define UNLOCK_TCPIP_CORE()
nxpfan 0:66c7c9c4f765 69 #define TCPIP_APIMSG(m) tcpip_apimsg(m)
nxpfan 0:66c7c9c4f765 70 #define TCPIP_APIMSG_ACK(m) sys_sem_signal(&m->conn->op_completed)
nxpfan 0:66c7c9c4f765 71 #define TCPIP_NETIFAPI(m) tcpip_netifapi(m)
nxpfan 0:66c7c9c4f765 72 #define TCPIP_NETIFAPI_ACK(m) sys_sem_signal(&m->sem)
nxpfan 0:66c7c9c4f765 73 #endif /* LWIP_TCPIP_CORE_LOCKING */
nxpfan 0:66c7c9c4f765 74
nxpfan 0:66c7c9c4f765 75 /** Function prototype for the init_done function passed to tcpip_init */
nxpfan 0:66c7c9c4f765 76 typedef void (*tcpip_init_done_fn)(void *arg);
nxpfan 0:66c7c9c4f765 77 /** Function prototype for functions passed to tcpip_callback() */
nxpfan 0:66c7c9c4f765 78 typedef void (*tcpip_callback_fn)(void *ctx);
nxpfan 0:66c7c9c4f765 79
nxpfan 0:66c7c9c4f765 80 void tcpip_init(tcpip_init_done_fn tcpip_init_done, void *arg);
nxpfan 0:66c7c9c4f765 81
nxpfan 0:66c7c9c4f765 82 #if LWIP_NETCONN
nxpfan 0:66c7c9c4f765 83 err_t tcpip_apimsg(struct api_msg *apimsg);
nxpfan 0:66c7c9c4f765 84 #if LWIP_TCPIP_CORE_LOCKING
nxpfan 0:66c7c9c4f765 85 err_t tcpip_apimsg_lock(struct api_msg *apimsg);
nxpfan 0:66c7c9c4f765 86 #endif /* LWIP_TCPIP_CORE_LOCKING */
nxpfan 0:66c7c9c4f765 87 #endif /* LWIP_NETCONN */
nxpfan 0:66c7c9c4f765 88
nxpfan 0:66c7c9c4f765 89 err_t tcpip_input(struct pbuf *p, struct netif *inp);
nxpfan 0:66c7c9c4f765 90
nxpfan 0:66c7c9c4f765 91 #if LWIP_NETIF_API
nxpfan 0:66c7c9c4f765 92 err_t tcpip_netifapi(struct netifapi_msg *netifapimsg);
nxpfan 0:66c7c9c4f765 93 #if LWIP_TCPIP_CORE_LOCKING
nxpfan 0:66c7c9c4f765 94 err_t tcpip_netifapi_lock(struct netifapi_msg *netifapimsg);
nxpfan 0:66c7c9c4f765 95 #endif /* LWIP_TCPIP_CORE_LOCKING */
nxpfan 0:66c7c9c4f765 96 #endif /* LWIP_NETIF_API */
nxpfan 0:66c7c9c4f765 97
nxpfan 0:66c7c9c4f765 98 err_t tcpip_callback_with_block(tcpip_callback_fn function, void *ctx, u8_t block);
nxpfan 0:66c7c9c4f765 99 #define tcpip_callback(f, ctx) tcpip_callback_with_block(f, ctx, 1)
nxpfan 0:66c7c9c4f765 100
nxpfan 0:66c7c9c4f765 101 /* free pbufs or heap memory from another context without blocking */
nxpfan 0:66c7c9c4f765 102 err_t pbuf_free_callback(struct pbuf *p);
nxpfan 0:66c7c9c4f765 103 err_t mem_free_callback(void *m);
nxpfan 0:66c7c9c4f765 104
nxpfan 0:66c7c9c4f765 105 #if LWIP_TCPIP_TIMEOUT
nxpfan 0:66c7c9c4f765 106 err_t tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg);
nxpfan 0:66c7c9c4f765 107 err_t tcpip_untimeout(sys_timeout_handler h, void *arg);
nxpfan 0:66c7c9c4f765 108 #endif /* LWIP_TCPIP_TIMEOUT */
nxpfan 0:66c7c9c4f765 109
nxpfan 0:66c7c9c4f765 110 enum tcpip_msg_type {
nxpfan 0:66c7c9c4f765 111 #if LWIP_NETCONN
nxpfan 0:66c7c9c4f765 112 TCPIP_MSG_API,
nxpfan 0:66c7c9c4f765 113 #endif /* LWIP_NETCONN */
nxpfan 0:66c7c9c4f765 114 TCPIP_MSG_INPKT,
nxpfan 0:66c7c9c4f765 115 #if LWIP_NETIF_API
nxpfan 0:66c7c9c4f765 116 TCPIP_MSG_NETIFAPI,
nxpfan 0:66c7c9c4f765 117 #endif /* LWIP_NETIF_API */
nxpfan 0:66c7c9c4f765 118 #if LWIP_TCPIP_TIMEOUT
nxpfan 0:66c7c9c4f765 119 TCPIP_MSG_TIMEOUT,
nxpfan 0:66c7c9c4f765 120 TCPIP_MSG_UNTIMEOUT,
nxpfan 0:66c7c9c4f765 121 #endif /* LWIP_TCPIP_TIMEOUT */
nxpfan 0:66c7c9c4f765 122 TCPIP_MSG_CALLBACK
nxpfan 0:66c7c9c4f765 123 };
nxpfan 0:66c7c9c4f765 124
nxpfan 0:66c7c9c4f765 125 struct tcpip_msg {
nxpfan 0:66c7c9c4f765 126 enum tcpip_msg_type type;
nxpfan 0:66c7c9c4f765 127 sys_sem_t *sem;
nxpfan 0:66c7c9c4f765 128 union {
nxpfan 0:66c7c9c4f765 129 #if LWIP_NETCONN
nxpfan 0:66c7c9c4f765 130 struct api_msg *apimsg;
nxpfan 0:66c7c9c4f765 131 #endif /* LWIP_NETCONN */
nxpfan 0:66c7c9c4f765 132 #if LWIP_NETIF_API
nxpfan 0:66c7c9c4f765 133 struct netifapi_msg *netifapimsg;
nxpfan 0:66c7c9c4f765 134 #endif /* LWIP_NETIF_API */
nxpfan 0:66c7c9c4f765 135 struct {
nxpfan 0:66c7c9c4f765 136 struct pbuf *p;
nxpfan 0:66c7c9c4f765 137 struct netif *netif;
nxpfan 0:66c7c9c4f765 138 } inp;
nxpfan 0:66c7c9c4f765 139 struct {
nxpfan 0:66c7c9c4f765 140 tcpip_callback_fn function;
nxpfan 0:66c7c9c4f765 141 void *ctx;
nxpfan 0:66c7c9c4f765 142 } cb;
nxpfan 0:66c7c9c4f765 143 #if LWIP_TCPIP_TIMEOUT
nxpfan 0:66c7c9c4f765 144 struct {
nxpfan 0:66c7c9c4f765 145 u32_t msecs;
nxpfan 0:66c7c9c4f765 146 sys_timeout_handler h;
nxpfan 0:66c7c9c4f765 147 void *arg;
nxpfan 0:66c7c9c4f765 148 } tmo;
nxpfan 0:66c7c9c4f765 149 #endif /* LWIP_TCPIP_TIMEOUT */
nxpfan 0:66c7c9c4f765 150 } msg;
nxpfan 0:66c7c9c4f765 151 };
nxpfan 0:66c7c9c4f765 152
nxpfan 0:66c7c9c4f765 153 #ifdef __cplusplus
nxpfan 0:66c7c9c4f765 154 }
nxpfan 0:66c7c9c4f765 155 #endif
nxpfan 0:66c7c9c4f765 156
nxpfan 0:66c7c9c4f765 157 #endif /* !NO_SYS */
nxpfan 0:66c7c9c4f765 158
nxpfan 0:66c7c9c4f765 159 #endif /* __LWIP_TCPIP_H__ */