git.joshuawise.com / netwatch.git / blame
| Commit | Line | Data |
|---|---|---|
| 6e6d4a8b JP |
1 | /* |
| 2 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without modification, | |
| 6 | * are permitted provided that the following conditions are met: | |
| 7 | * | |
| 8 | * 1. Redistributions of source code must retain the above copyright notice, | |
| 9 | * this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 11 | * this list of conditions and the following disclaimer in the documentation | |
| 12 | * and/or other materials provided with the distribution. | |
| 13 | * 3. The name of the author may not be used to endorse or promote products | |
| 14 | * derived from this software without specific prior written permission. | |
| 15 | * | |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT | |
| 19 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 20 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT | |
| 21 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
| 24 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY | |
| 25 | * OF SUCH DAMAGE. | |
| 26 | * | |
| 27 | * This file is part of the lwIP TCP/IP stack. | |
| 28 | * | |
| 29 | * Author: Adam Dunkels <adam@sics.se> | |
| 30 | * | |
| 31 | */ | |
| 32 | #ifndef __LWIP_TCPIP_H__ | |
| 33 | #define __LWIP_TCPIP_H__ | |
| 34 | ||
| 35 | #include "lwip/opt.h" | |
| 36 | ||
| 37 | #if !NO_SYS /* don't build if not configured for use in lwipopts.h */ | |
| 38 | ||
| 39 | #include "lwip/api_msg.h" | |
| 40 | #include "lwip/netifapi.h" | |
| 41 | #include "lwip/pbuf.h" | |
| 42 | #include "lwip/api.h" | |
| 43 | #include "lwip/sys.h" | |
| 44 | ||
| 45 | #ifdef __cplusplus | |
| 46 | extern "C" { | |
| 47 | #endif | |
| 48 | ||
| 49 | #if LWIP_TCPIP_CORE_LOCKING | |
| 50 | /** The global semaphore to lock the stack. */ | |
| 51 | extern sys_sem_t lock_tcpip_core; | |
| 52 | #define LOCK_TCPIP_CORE() sys_sem_wait(lock_tcpip_core) | |
| 53 | #define UNLOCK_TCPIP_CORE() sys_sem_signal(lock_tcpip_core) | |
| 54 | #define TCPIP_APIMSG(m) tcpip_apimsg_lock(m) | |
| 55 | #define TCPIP_APIMSG_ACK(m) | |
| 56 | #define TCPIP_NETIFAPI(m) tcpip_netifapi_lock(m) | |
| 57 | #define TCPIP_NETIFAPI_ACK(m) | |
| 58 | #else | |
| 59 | #define LOCK_TCPIP_CORE() | |
| 60 | #define UNLOCK_TCPIP_CORE() | |
| 61 | #define TCPIP_APIMSG(m) tcpip_apimsg(m) | |
| 62 | #define TCPIP_APIMSG_ACK(m) sys_sem_signal(m->conn->op_completed) | |
| 63 | #define TCPIP_NETIFAPI(m) tcpip_netifapi(m) | |
| 64 | #define TCPIP_NETIFAPI_ACK(m) sys_sem_signal(m->sem) | |
| 65 | #endif /* LWIP_TCPIP_CORE_LOCKING */ | |
| 66 | ||
| 67 | void tcpip_init(void (* tcpip_init_done)(void *), void *arg); | |
| 68 | ||
| 69 | #if LWIP_NETCONN | |
| 70 | err_t tcpip_apimsg(struct api_msg *apimsg); | |
| 71 | #if LWIP_TCPIP_CORE_LOCKING | |
| 72 | err_t tcpip_apimsg_lock(struct api_msg *apimsg); | |
| 73 | #endif /* LWIP_TCPIP_CORE_LOCKING */ | |
| 74 | #endif /* LWIP_NETCONN */ | |
| 75 | ||
| 76 | err_t tcpip_input(struct pbuf *p, struct netif *inp); | |
| 77 | ||
| 78 | #if LWIP_NETIF_API | |
| 79 | err_t tcpip_netifapi(struct netifapi_msg *netifapimsg); | |
| 80 | #if LWIP_TCPIP_CORE_LOCKING | |
| 81 | err_t tcpip_netifapi_lock(struct netifapi_msg *netifapimsg); | |
| 82 | #endif /* LWIP_TCPIP_CORE_LOCKING */ | |
| 83 | #endif /* LWIP_NETIF_API */ | |
| 84 | ||
| 85 | err_t tcpip_callback_with_block(void (*f)(void *ctx), void *ctx, u8_t block); | |
| 86 | #define tcpip_callback(f,ctx) tcpip_callback_with_block(f,ctx,1) | |
| 87 | ||
| 88 | err_t tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg); | |
| 89 | #define tcpip_untimeout(h, arg) tcpip_timeout(0xffffffff, h, arg) | |
| 90 | ||
| 91 | enum tcpip_msg_type { | |
| 92 | #if LWIP_NETCONN | |
| 93 | TCPIP_MSG_API, | |
| 94 | #endif /* LWIP_NETCONN */ | |
| 95 | TCPIP_MSG_INPKT, | |
| 96 | #if LWIP_NETIF_API | |
| 97 | TCPIP_MSG_NETIFAPI, | |
| 98 | #endif /* LWIP_NETIF_API */ | |
| 99 | TCPIP_MSG_CALLBACK, | |
| 100 | TCPIP_MSG_TIMEOUT | |
| 101 | }; | |
| 102 | ||
| 103 | struct tcpip_msg { | |
| 104 | enum tcpip_msg_type type; | |
| 105 | sys_sem_t *sem; | |
| 106 | union { | |
| 107 | #if LWIP_NETCONN | |
| 108 | struct api_msg *apimsg; | |
| 109 | #endif /* LWIP_NETCONN */ | |
| 110 | #if LWIP_NETIF_API | |
| 111 | struct netifapi_msg *netifapimsg; | |
| 112 | #endif /* LWIP_NETIF_API */ | |
| 113 | struct { | |
| 114 | struct pbuf *p; | |
| 115 | struct netif *netif; | |
| 116 | } inp; | |
| 117 | struct { | |
| 118 | void (*f)(void *ctx); | |
| 119 | void *ctx; | |
| 120 | } cb; | |
| 121 | struct { | |
| 122 | u32_t msecs; | |
| 123 | sys_timeout_handler h; | |
| 124 | void *arg; | |
| 125 | } tmo; | |
| 126 | } msg; | |
| 127 | }; | |
| 128 | ||
| 129 | #ifdef __cplusplus | |
| 130 | } | |
| 131 | #endif | |
| 132 | ||
| 133 | #endif /* !NO_SYS */ | |
| 134 | ||
| 135 | #endif /* __LWIP_TCPIP_H__ */ |