* net/route/net_queue_ramroute.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "route/ramroute.h"
#include "route/route.h"
#if defined(CONFIG_ROUTE_IPv4_RAMROUTE) || defined(CONFIG_ROUTE_IPv6_RAMROUTE)
* Public Functions
****************************************************************************/
* Name: ramroute_ipv4_addlast/ramroute_ipv6_addlast
*
* Description:
* Remove the entry at the end of an IPv4/IPv6 routing table list
*
* Input Parameters:
* entry - A pointer to the new entry to add to the list
* list - The list to be used.
*
* Returned Value:
* None
*
****************************************************************************/
#ifdef CONFIG_ROUTE_IPv4_RAMROUTE
void ramroute_ipv4_addlast(FAR struct net_route_ipv4_entry_s *entry,
FAR struct net_route_ipv4_queue_s *list)
{
entry->flink = NULL;
if (!list->head)
{
list->head = entry;
list->tail = entry;
}
else
{
list->tail->flink = entry;
list->tail = entry;
}
}
#endif
#ifdef CONFIG_ROUTE_IPv6_RAMROUTE
void ramroute_ipv6_addlast(FAR struct net_route_ipv6_entry_s *entry,
FAR struct net_route_ipv6_queue_s *list)
{
entry->flink = NULL;
if (!list->head)
{
list->head = entry;
list->tail = entry;
}
else
{
list->tail->flink = entry;
list->tail = entry;
}
}
#endif
* Name: ramroute_ipv4_remfirst/ramroute_ipv6_remfirst
*
* Description:
* Add an entry to the end of an IPv4/IPv6 routing table list
*
* Input Parameters:
* entry - A pointer to the new entry to add to the list
* list - The list to be used.
*
* Returned Value:
* A pointer to the entry removed from the head of the list or NULL if the
* list was empty.
*
****************************************************************************/
#ifdef CONFIG_ROUTE_IPv4_RAMROUTE
FAR struct net_route_ipv4_entry_s *
ramroute_ipv4_remfirst(FAR struct net_route_ipv4_queue_s *list)
{
FAR struct net_route_ipv4_entry_s *ret = list->head;
if (ret)
{
list->head = ret->flink;
if (!list->head)
{
list->tail = NULL;
}
ret->flink = NULL;
}
return ret;
}
#endif
#ifdef CONFIG_ROUTE_IPv6_RAMROUTE
FAR struct net_route_ipv6_entry_s *
ramroute_ipv6_remfirst(FAR struct net_route_ipv6_queue_s *list)
{
FAR struct net_route_ipv6_entry_s *ret = list->head;
if (ret)
{
list->head = ret->flink;
if (!list->head)
{
list->tail = NULL;
}
ret->flink = NULL;
}
return ret;
}
#endif
* Name: ramroute_ipv4_remafter/ramroute_ipv6_remafter
*
* Description:
* Remove the entry in the IPv4/IPv6 routing table list after the specified
* entry.
*
* Input Parameters:
* entry - A pointer to the new entry to add to the list
* list - The list to be used.
*
* Returned Value:
* A pointer to the entry removed from the head of the list or NULL if the
* list was empty.
*
****************************************************************************/
#ifdef CONFIG_ROUTE_IPv4_RAMROUTE
FAR struct net_route_ipv4_entry_s *
ramroute_ipv4_remafter(FAR struct net_route_ipv4_entry_s *entry,
FAR struct net_route_ipv4_queue_s *list)
{
FAR struct net_route_ipv4_entry_s *ret = entry->flink;
if (list->head && ret)
{
if (list->tail == ret)
{
list->tail = entry;
entry->flink = NULL;
}
else
{
entry->flink = ret->flink;
}
ret->flink = NULL;
}
return ret;
}
#endif
#ifdef CONFIG_ROUTE_IPv6_RAMROUTE
FAR struct net_route_ipv6_entry_s *
ramroute_ipv6_remafter(FAR struct net_route_ipv6_entry_s *entry,
FAR struct net_route_ipv6_queue_s *list)
{
FAR struct net_route_ipv6_entry_s *ret = entry->flink;
if (list->head && ret)
{
if (list->tail == ret)
{
list->tail = entry;
entry->flink = NULL;
}
else
{
entry->flink = ret->flink;
}
ret->flink = NULL;
}
return ret;
}
#endif
#endif