--- /dev/null
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ */
+#ifndef __LWIP_TCPIP_H__
+#define __LWIP_TCPIP_H__
+
+#include "lwip/opt.h"
+
+#if !NO_SYS /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/api_msg.h"
+#include "lwip/netifapi.h"
+#include "lwip/pbuf.h"
+#include "lwip/api.h"
+#include "lwip/sys.h"
+#include "lwip/timers.h"
+#include "lwip/netif.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Define this to something that triggers a watchdog. This is called from
+ * tcpip_thread after processing a message. */
+#ifndef LWIP_TCPIP_THREAD_ALIVE
+#define LWIP_TCPIP_THREAD_ALIVE()
+#endif
+
+#if LWIP_TCPIP_CORE_LOCKING
+/** The global semaphore to lock the stack. */
+extern sys_mutex_t lock_tcpip_core;
+#define LOCK_TCPIP_CORE() sys_mutex_lock(&lock_tcpip_core)
+#define UNLOCK_TCPIP_CORE() sys_mutex_unlock(&lock_tcpip_core)
+#define TCPIP_APIMSG(m) tcpip_apimsg_lock(m)
+#define TCPIP_APIMSG_ACK(m)
+#define TCPIP_NETIFAPI(m) tcpip_netifapi_lock(m)
+#define TCPIP_NETIFAPI_ACK(m)
+#else /* LWIP_TCPIP_CORE_LOCKING */
+#define LOCK_TCPIP_CORE()
+#define UNLOCK_TCPIP_CORE()
+#define TCPIP_APIMSG(m) tcpip_apimsg(m)
+#define TCPIP_APIMSG_ACK(m) sys_sem_signal(&m->conn->op_completed)
+#define TCPIP_NETIFAPI(m) tcpip_netifapi(m)
+#define TCPIP_NETIFAPI_ACK(m) sys_sem_signal(&m->sem)
+#endif /* LWIP_TCPIP_CORE_LOCKING */
+
+/** Function prototype for the init_done function passed to tcpip_init */
+typedef void (*tcpip_init_done_fn)(void *arg);
+/** Function prototype for functions passed to tcpip_callback() */
+typedef void (*tcpip_callback_fn)(void *ctx);
+
+/* Forward declarations */
+struct tcpip_callback_msg;
+
+void tcpip_init(tcpip_init_done_fn tcpip_init_done, void *arg);
+
+#if LWIP_NETCONN
+err_t tcpip_apimsg(struct api_msg *apimsg);
+#if LWIP_TCPIP_CORE_LOCKING
+err_t tcpip_apimsg_lock(struct api_msg *apimsg);
+#endif /* LWIP_TCPIP_CORE_LOCKING */
+#endif /* LWIP_NETCONN */
+
+err_t tcpip_input(struct pbuf *p, struct netif *inp);
+
+#if LWIP_NETIF_API
+err_t tcpip_netifapi(struct netifapi_msg *netifapimsg);
+#if LWIP_TCPIP_CORE_LOCKING
+err_t tcpip_netifapi_lock(struct netifapi_msg *netifapimsg);
+#endif /* LWIP_TCPIP_CORE_LOCKING */
+#endif /* LWIP_NETIF_API */
+
+err_t tcpip_callback_with_block(tcpip_callback_fn function, void *ctx, u8_t block);
+#define tcpip_callback(f, ctx) tcpip_callback_with_block(f, ctx, 1)
+
+struct tcpip_callback_msg* tcpip_callbackmsg_new(tcpip_callback_fn function, void *ctx);
+void tcpip_callbackmsg_delete(struct tcpip_callback_msg* msg);
+err_t tcpip_trycallback(struct tcpip_callback_msg* msg);
+
+/* free pbufs or heap memory from another context without blocking */
+err_t pbuf_free_callback(struct pbuf *p);
+err_t mem_free_callback(void *m);
+
+#if LWIP_TCPIP_TIMEOUT
+err_t tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg);
+err_t tcpip_untimeout(sys_timeout_handler h, void *arg);
+#endif /* LWIP_TCPIP_TIMEOUT */
+
+enum tcpip_msg_type {
+#if LWIP_NETCONN
+ TCPIP_MSG_API,
+#endif /* LWIP_NETCONN */
+ TCPIP_MSG_INPKT,
+#if LWIP_NETIF_API
+ TCPIP_MSG_NETIFAPI,
+#endif /* LWIP_NETIF_API */
+#if LWIP_TCPIP_TIMEOUT
+ TCPIP_MSG_TIMEOUT,
+ TCPIP_MSG_UNTIMEOUT,
+#endif /* LWIP_TCPIP_TIMEOUT */
+ TCPIP_MSG_CALLBACK,
+ TCPIP_MSG_CALLBACK_STATIC
+};
+
+struct tcpip_msg {
+ enum tcpip_msg_type type;
+ sys_sem_t *sem;
+ union {
+#if LWIP_NETCONN
+ struct api_msg *apimsg;
+#endif /* LWIP_NETCONN */
+#if LWIP_NETIF_API
+ struct netifapi_msg *netifapimsg;
+#endif /* LWIP_NETIF_API */
+ struct {
+ struct pbuf *p;
+ struct netif *netif;
+ } inp;
+ struct {
+ tcpip_callback_fn function;
+ void *ctx;
+ } cb;
+#if LWIP_TCPIP_TIMEOUT
+ struct {
+ u32_t msecs;
+ sys_timeout_handler h;
+ void *arg;
+ } tmo;
+#endif /* LWIP_TCPIP_TIMEOUT */
+ } msg;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !NO_SYS */
+
+#endif /* __LWIP_TCPIP_H__ */
projects / reactos.git / blobdiff