3 * Functions to sync with TCPIP thread
7 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
10 * Redistribution and use in source and binary forms, with or without modification,
11 * are permitted provided that the following conditions are met:
13 * 1. Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
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18 * 3. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
24 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
32 * This file is part of the lwIP TCP/IP stack.
34 * Author: Adam Dunkels <adam@sics.se>
37 #ifndef LWIP_HDR_TCPIP_H
38 #define LWIP_HDR_TCPIP_H
42 #if !NO_SYS /* don't build if not configured for use in lwipopts.h */
45 #include "lwip/timeouts.h"
46 #include "lwip/netif.h"
52 #if LWIP_TCPIP_CORE_LOCKING
53 /** The global semaphore to lock the stack. */
54 extern sys_mutex_t lock_tcpip_core;
55 /** Lock lwIP core mutex (needs @ref LWIP_TCPIP_CORE_LOCKING 1) */
56 #define LOCK_TCPIP_CORE() sys_mutex_lock(&lock_tcpip_core)
57 /** Unlock lwIP core mutex (needs @ref LWIP_TCPIP_CORE_LOCKING 1) */
58 #define UNLOCK_TCPIP_CORE() sys_mutex_unlock(&lock_tcpip_core)
59 #else /* LWIP_TCPIP_CORE_LOCKING */
60 #define LOCK_TCPIP_CORE()
61 #define UNLOCK_TCPIP_CORE()
62 #endif /* LWIP_TCPIP_CORE_LOCKING */
69 #endif /* LWIP_NETCONN */
71 /** Function prototype for the init_done function passed to tcpip_init */
72 typedef void (*tcpip_init_done_fn)(void *arg);
73 typedef void (*tcpip_will_finish_fn)(void *arg);
74 /** Function prototype for functions passed to tcpip_callback() */
75 typedef void (*tcpip_callback_fn)(void *ctx);
77 /* Forward declarations */
78 struct tcpip_callback_msg;
80 void tcpip_init(tcpip_init_done_fn tcpip_init_done, void *arg);
81 err_t tcpip_finish(tcpip_will_finish_fn tcpip_will_finish, void *arg);
84 err_t tcpip_apimsg(struct api_msg *apimsg);
85 #endif /* LWIP_NETCONN */
87 err_t tcpip_inpkt(struct pbuf *p, struct netif *inp, netif_input_fn input_fn);
88 err_t tcpip_input(struct pbuf *p, struct netif *inp);
90 err_t tcpip_callback_with_block(tcpip_callback_fn function, void *ctx, u8_t block);
93 * @see tcpip_callback_with_block
95 #define tcpip_callback(f, ctx) tcpip_callback_with_block(f, ctx, 1)
97 struct tcpip_callback_msg* tcpip_callbackmsg_new(tcpip_callback_fn function, void *ctx);
98 void tcpip_callbackmsg_delete(struct tcpip_callback_msg* msg);
99 err_t tcpip_trycallback(struct tcpip_callback_msg* msg);
101 /* free pbufs or heap memory from another context without blocking */
102 err_t pbuf_free_callback(struct pbuf *p);
103 err_t mem_free_callback(void *m);
105 #if LWIP_TCPIP_TIMEOUT && LWIP_TIMERS
106 err_t tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg);
107 err_t tcpip_untimeout(sys_timeout_handler h, void *arg);
108 #endif /* LWIP_TCPIP_TIMEOUT && LWIP_TIMERS */
116 #endif /* LWIP_HDR_TCPIP_H */