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Diffstat (limited to 'nuttx/net/uip/uip_callback.c')
-rw-r--r--nuttx/net/uip/uip_callback.c251
1 files changed, 0 insertions, 251 deletions
diff --git a/nuttx/net/uip/uip_callback.c b/nuttx/net/uip/uip_callback.c
deleted file mode 100644
index 0c8c3aaa0..000000000
--- a/nuttx/net/uip/uip_callback.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/****************************************************************************
- * net/uip/uip_callback.c
- *
- * Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * 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. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "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
- * COPYRIGHT OWNER OR CONTRIBUTORS 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.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-#if defined(CONFIG_NET)
-
-#include <stdint.h>
-#include <string.h>
-#include <debug.h>
-
-#include <nuttx/net/uip/uipopt.h>
-#include <nuttx/net/uip/uip.h>
-#include <nuttx/net/uip/uip-arch.h>
-
-#include "uip_internal.h"
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-static struct uip_callback_s g_cbprealloc[CONFIG_NET_NACTIVESOCKETS];
-static FAR struct uip_callback_s *g_cbfreelist = NULL;
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Function: uip_callbackinit
- *
- * Description:
- * Configure the pre-allocated callaback structures into a free list.
- * This is called internally as part of uIP initialization and should not
- * be accessed from the application or socket layer.
- *
- * Assumptions:
- * This function is called with interrupts disabled.
- *
- ****************************************************************************/
-
-void uip_callbackinit(void)
-{
- int i;
- for (i = 0; i < CONFIG_NET_NACTIVESOCKETS; i++)
- {
- g_cbprealloc[i].flink = g_cbfreelist;
- g_cbfreelist = &g_cbprealloc[i];
- }
-}
-
-/****************************************************************************
- * Function: uip_callbackalloc
- *
- * Description:
- * Allocate a callback container from the free list.
- * This is called internally as part of uIP initialization and should not
- * be accessed from the application or socket layer.
- *
- * Assumptions:
- * This function is called with interrupts disabled.
- *
- ****************************************************************************/
-
-FAR struct uip_callback_s *uip_callbackalloc(FAR struct uip_callback_s **list)
-{
- struct uip_callback_s *ret;
- uip_lock_t save;
-
- /* Check the head of the free list */
-
- save = uip_lock();
- ret = g_cbfreelist;
- if (ret)
- {
- /* Remove the next instance from the head of the free list */
-
- g_cbfreelist = ret->flink;
- memset(ret, 0, sizeof(struct uip_callback_s));
-
- /* Add the newly allocated instance to the head of the specified list */
-
- if (list)
- {
- ret->flink = *list;
- *list = ret;
- }
- else
- {
- ret->flink = NULL;
- }
- }
-#ifdef CONFIG_DEBUG
- else
- {
- nlldbg("Failed to allocate callback\n");
- }
-#endif
-
- uip_unlock(save);
- return ret;
-}
-
-/****************************************************************************
- * Function: uip_callbackfree
- *
- * Description:
- * Return a callback container to the free list.
- * This is called internally as part of uIP initialization and should not
- * be accessed from the application or socket layer.
- *
- * Assumptions:
- * This function is called with interrupts disabled.
- *
- ****************************************************************************/
-
-void uip_callbackfree(FAR struct uip_callback_s *cb, FAR struct uip_callback_s **list)
-{
- FAR struct uip_callback_s *prev;
- FAR struct uip_callback_s *curr;
- uip_lock_t save;
-
- if (cb)
- {
- /* Find the callback structure in the connection's list */
-
- save = uip_lock();
- if (list)
- {
- for (prev = NULL, curr = *list;
- curr && curr != cb;
- prev = curr, curr = curr->flink);
-
- /* Remove the structure from the connection's list */
-
- if (curr)
- {
- if (prev)
- {
- prev->flink = cb->flink;
- }
- else
- {
- *list = cb->flink;
- }
- }
- }
-
- /* Put the structure into the free list */
-
- cb->flink = g_cbfreelist;
- g_cbfreelist = cb;
- uip_unlock(save);
- }
-}
-
-/****************************************************************************
- * Function: uip_callbackexecute
- *
- * Description:
- * Execute a list of callbacks.
- * This is called internally as part of uIP initialization and should not
- * be accessed from the application or socket layer.
- *
- * Assumptions:
- * This function is called with interrupts disabled.
- *
- ****************************************************************************/
-
-uint16_t uip_callbackexecute(FAR struct uip_driver_s *dev, void *pvconn,
- uint16_t flags, FAR struct uip_callback_s *list)
-{
- FAR struct uip_callback_s *next;
- uip_lock_t save;
-
- /* Loop for each callback in the list and while there are still events
- * set in the flags set.
- */
-
- save = uip_lock();
- while (list && flags)
- {
- /* Save the pointer to the next callback in the lists. This is done
- * because the callback action might delete the entry pointed to by
- * list.
- */
-
- next = list->flink;
-
- /* Check if this callback handles any of the events in the flag set */
-
- if (list->event && (flags & list->flags) != 0)
- {
- /* Yes.. perform the callback. Actions perform by the callback
- * may delete the current list entry or add a new list entry to
- * beginning of the list (which will be ignored on this pass)
- */
-
- nllvdbg("Call event=%p with flags=%04x\n", list->event, flags);
- flags = list->event(dev, pvconn, list->priv, flags);
- }
-
- /* Set up for the next time through the loop */
-
- list = next;
- }
-
- uip_unlock(save);
- return flags;
-}
-
-#endif /* CONFIG_NET */
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