mbed unsupported / lwip

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tag/13/Core/lwIP/include/lwip/tcpip.h@0:5e1631496985, 2012-05-08 (annotated)

Committer:
root@mbed.org
Date:
Tue May 08 15:32:10 2012 +0100
Revision:
0:5e1631496985
initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
root@mbed.org 0:5e1631496985 1 /*
root@mbed.org 0:5e1631496985 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
root@mbed.org 0:5e1631496985 3 * All rights reserved.
root@mbed.org 0:5e1631496985 4 *
root@mbed.org 0:5e1631496985 5 * Redistribution and use in source and binary forms, with or without modification,
root@mbed.org 0:5e1631496985 6 * are permitted provided that the following conditions are met:
root@mbed.org 0:5e1631496985 7 *
root@mbed.org 0:5e1631496985 8 * 1. Redistributions of source code must retain the above copyright notice,
root@mbed.org 0:5e1631496985 9 * this list of conditions and the following disclaimer.
root@mbed.org 0:5e1631496985 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
root@mbed.org 0:5e1631496985 11 * this list of conditions and the following disclaimer in the documentation
root@mbed.org 0:5e1631496985 12 * and/or other materials provided with the distribution.
root@mbed.org 0:5e1631496985 13 * 3. The name of the author may not be used to endorse or promote products
root@mbed.org 0:5e1631496985 14 * derived from this software without specific prior written permission.
root@mbed.org 0:5e1631496985 15 *
root@mbed.org 0:5e1631496985 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
root@mbed.org 0:5e1631496985 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
root@mbed.org 0:5e1631496985 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
root@mbed.org 0:5e1631496985 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
root@mbed.org 0:5e1631496985 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
root@mbed.org 0:5e1631496985 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
root@mbed.org 0:5e1631496985 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
root@mbed.org 0:5e1631496985 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
root@mbed.org 0:5e1631496985 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
root@mbed.org 0:5e1631496985 25 * OF SUCH DAMAGE.
root@mbed.org 0:5e1631496985 26 *
root@mbed.org 0:5e1631496985 27 * This file is part of the lwIP TCP/IP stack.
root@mbed.org 0:5e1631496985 28 *
root@mbed.org 0:5e1631496985 29 * Author: Adam Dunkels <adam@sics.se>
root@mbed.org 0:5e1631496985 30 *
root@mbed.org 0:5e1631496985 31 */
root@mbed.org 0:5e1631496985 32 #ifndef __LWIP_TCPIP_H__
root@mbed.org 0:5e1631496985 33 #define __LWIP_TCPIP_H__
root@mbed.org 0:5e1631496985 34
root@mbed.org 0:5e1631496985 35 #include "lwip/opt.h"
root@mbed.org 0:5e1631496985 36
root@mbed.org 0:5e1631496985 37 #if !NO_SYS /* don't build if not configured for use in lwipopts.h */
root@mbed.org 0:5e1631496985 38
root@mbed.org 0:5e1631496985 39 #include "lwip/api_msg.h"
root@mbed.org 0:5e1631496985 40 #include "lwip/netifapi.h"
root@mbed.org 0:5e1631496985 41 #include "lwip/pbuf.h"
root@mbed.org 0:5e1631496985 42 #include "lwip/api.h"
root@mbed.org 0:5e1631496985 43 #include "lwip/sys.h"
root@mbed.org 0:5e1631496985 44
root@mbed.org 0:5e1631496985 45 #ifdef __cplusplus
root@mbed.org 0:5e1631496985 46 extern "C" {
root@mbed.org 0:5e1631496985 47 #endif
root@mbed.org 0:5e1631496985 48
root@mbed.org 0:5e1631496985 49 #if LWIP_TCPIP_CORE_LOCKING
root@mbed.org 0:5e1631496985 50 /** The global semaphore to lock the stack. */
root@mbed.org 0:5e1631496985 51 extern sys_sem_t lock_tcpip_core;
root@mbed.org 0:5e1631496985 52 #define LOCK_TCPIP_CORE() sys_sem_wait(lock_tcpip_core)
root@mbed.org 0:5e1631496985 53 #define UNLOCK_TCPIP_CORE() sys_sem_signal(lock_tcpip_core)
root@mbed.org 0:5e1631496985 54 #define TCPIP_APIMSG(m) tcpip_apimsg_lock(m)
root@mbed.org 0:5e1631496985 55 #define TCPIP_APIMSG_ACK(m)
root@mbed.org 0:5e1631496985 56 #define TCPIP_NETIFAPI(m) tcpip_netifapi_lock(m)
root@mbed.org 0:5e1631496985 57 #define TCPIP_NETIFAPI_ACK(m)
root@mbed.org 0:5e1631496985 58 #else
root@mbed.org 0:5e1631496985 59 #define LOCK_TCPIP_CORE()
root@mbed.org 0:5e1631496985 60 #define UNLOCK_TCPIP_CORE()
root@mbed.org 0:5e1631496985 61 #define TCPIP_APIMSG(m) tcpip_apimsg(m)
root@mbed.org 0:5e1631496985 62 #define TCPIP_APIMSG_ACK(m) sys_sem_signal(m->conn->op_completed)
root@mbed.org 0:5e1631496985 63 #define TCPIP_NETIFAPI(m) tcpip_netifapi(m)
root@mbed.org 0:5e1631496985 64 #define TCPIP_NETIFAPI_ACK(m) sys_sem_signal(m->sem)
root@mbed.org 0:5e1631496985 65 #endif /* LWIP_TCPIP_CORE_LOCKING */
root@mbed.org 0:5e1631496985 66
root@mbed.org 0:5e1631496985 67 void tcpip_init(void (* tcpip_init_done)(void *), void *arg);
root@mbed.org 0:5e1631496985 68
root@mbed.org 0:5e1631496985 69 #if LWIP_NETCONN
root@mbed.org 0:5e1631496985 70 err_t tcpip_apimsg(struct api_msg *apimsg);
root@mbed.org 0:5e1631496985 71 #if LWIP_TCPIP_CORE_LOCKING
root@mbed.org 0:5e1631496985 72 err_t tcpip_apimsg_lock(struct api_msg *apimsg);
root@mbed.org 0:5e1631496985 73 #endif /* LWIP_TCPIP_CORE_LOCKING */
root@mbed.org 0:5e1631496985 74 #endif /* LWIP_NETCONN */
root@mbed.org 0:5e1631496985 75
root@mbed.org 0:5e1631496985 76 err_t tcpip_input(struct pbuf *p, struct netif *inp);
root@mbed.org 0:5e1631496985 77
root@mbed.org 0:5e1631496985 78 #if LWIP_NETIF_API
root@mbed.org 0:5e1631496985 79 err_t tcpip_netifapi(struct netifapi_msg *netifapimsg);
root@mbed.org 0:5e1631496985 80 #if LWIP_TCPIP_CORE_LOCKING
root@mbed.org 0:5e1631496985 81 err_t tcpip_netifapi_lock(struct netifapi_msg *netifapimsg);
root@mbed.org 0:5e1631496985 82 #endif /* LWIP_TCPIP_CORE_LOCKING */
root@mbed.org 0:5e1631496985 83 #endif /* LWIP_NETIF_API */
root@mbed.org 0:5e1631496985 84
root@mbed.org 0:5e1631496985 85 err_t tcpip_callback_with_block(void (*f)(void *ctx), void *ctx, u8_t block);
root@mbed.org 0:5e1631496985 86 #define tcpip_callback(f, ctx) tcpip_callback_with_block(f, ctx, 1)
root@mbed.org 0:5e1631496985 87
root@mbed.org 0:5e1631496985 88 /* free pbufs or heap memory from another context without blocking */
root@mbed.org 0:5e1631496985 89 err_t pbuf_free_callback(struct pbuf *p);
root@mbed.org 0:5e1631496985 90 err_t mem_free_callback(void *m);
root@mbed.org 0:5e1631496985 91
root@mbed.org 0:5e1631496985 92 err_t tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg);
root@mbed.org 0:5e1631496985 93 err_t tcpip_untimeout(u32_t msecs, sys_timeout_handler h, void *arg);
root@mbed.org 0:5e1631496985 94
root@mbed.org 0:5e1631496985 95 enum tcpip_msg_type {
root@mbed.org 0:5e1631496985 96 #if LWIP_NETCONN
root@mbed.org 0:5e1631496985 97 TCPIP_MSG_API,
root@mbed.org 0:5e1631496985 98 #endif /* LWIP_NETCONN */
root@mbed.org 0:5e1631496985 99 TCPIP_MSG_INPKT,
root@mbed.org 0:5e1631496985 100 #if LWIP_NETIF_API
root@mbed.org 0:5e1631496985 101 TCPIP_MSG_NETIFAPI,
root@mbed.org 0:5e1631496985 102 #endif /* LWIP_NETIF_API */
root@mbed.org 0:5e1631496985 103 TCPIP_MSG_CALLBACK,
root@mbed.org 0:5e1631496985 104 TCPIP_MSG_TIMEOUT,
root@mbed.org 0:5e1631496985 105 TCPIP_MSG_UNTIMEOUT
root@mbed.org 0:5e1631496985 106 };
root@mbed.org 0:5e1631496985 107
root@mbed.org 0:5e1631496985 108 struct tcpip_msg {
root@mbed.org 0:5e1631496985 109 enum tcpip_msg_type type;
root@mbed.org 0:5e1631496985 110 sys_sem_t *sem;
root@mbed.org 0:5e1631496985 111 union {
root@mbed.org 0:5e1631496985 112 #if LWIP_NETCONN
root@mbed.org 0:5e1631496985 113 struct api_msg *apimsg;
root@mbed.org 0:5e1631496985 114 #endif /* LWIP_NETCONN */
root@mbed.org 0:5e1631496985 115 #if LWIP_NETIF_API
root@mbed.org 0:5e1631496985 116 struct netifapi_msg *netifapimsg;
root@mbed.org 0:5e1631496985 117 #endif /* LWIP_NETIF_API */
root@mbed.org 0:5e1631496985 118 struct {
root@mbed.org 0:5e1631496985 119 struct pbuf *p;
root@mbed.org 0:5e1631496985 120 struct netif *netif;
root@mbed.org 0:5e1631496985 121 } inp;
root@mbed.org 0:5e1631496985 122 struct {
root@mbed.org 0:5e1631496985 123 void (*f)(void *ctx);
root@mbed.org 0:5e1631496985 124 void *ctx;
root@mbed.org 0:5e1631496985 125 } cb;
root@mbed.org 0:5e1631496985 126 struct {
root@mbed.org 0:5e1631496985 127 u32_t msecs;
root@mbed.org 0:5e1631496985 128 sys_timeout_handler h;
root@mbed.org 0:5e1631496985 129 void *arg;
root@mbed.org 0:5e1631496985 130 } tmo;
root@mbed.org 0:5e1631496985 131 } msg;
root@mbed.org 0:5e1631496985 132 };
root@mbed.org 0:5e1631496985 133
root@mbed.org 0:5e1631496985 134 #ifdef __cplusplus
root@mbed.org 0:5e1631496985 135 }
root@mbed.org 0:5e1631496985 136 #endif
root@mbed.org 0:5e1631496985 137
root@mbed.org 0:5e1631496985 138 #endif /* !NO_SYS */
root@mbed.org 0:5e1631496985 139
root@mbed.org 0:5e1631496985 140 #endif /* __LWIP_TCPIP_H__ */