incubator-nuttx/net/route/cacheroute.h

144 lines
4.8 KiB
C

/****************************************************************************
* net/route/cacheroute.h
*
* Copyright (C) 2017 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.
*
****************************************************************************/
#ifndef __NET_ROUTE_CACHEROUTE_H
#define __NET_ROUTE_CACHEROUTE_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "route/route.h"
#if defined(CONFIG_ROUTE_IPv4_CACHEROUTE) || defined(CONFIG_ROUTE_IPv6_CACHEROUTE)
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: net_init_cacheroute
*
* Description:
* Initialize the in-memory, routing table cache
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
* Assumptions:
* Called early in initialization so that no special protection is needed.
*
****************************************************************************/
void net_init_cacheroute(void);
/****************************************************************************
* Name: net_addcache_ipv4 and net_addcache_ipv6
*
* Description:
* Add one route to the routing table cache
*
* Input Parameters:
* None
*
* Returned Value:
* Zero (OK) is returned on success; a negated errno value is returned
* on any failure.
*
****************************************************************************/
#ifdef CONFIG_ROUTE_IPv4_CACHEROUTE
int net_addcache_ipv4(FAR struct net_route_ipv4_s *route);
#endif
#ifdef CONFIG_ROUTE_IPv6_CACHEROUTE
int net_addcache_ipv6(FAR struct net_route_ipv6_s *route);
#endif
/****************************************************************************
* Name: net_foreachcache_ipv4/net_foreachcache_ipv6
*
* Description:
* Traverse the routing table cahce
*
* Input Parameters:
* handler - Will be called for each route in the routing table cache.
* arg - An arbitrary value that will be passed tot he handler.
*
* Returned Value:
* Zero (OK) returned if the entire table was searched. A negated errno
* value will be returned in the event of a failure. Handlers may also
* terminate the search early with any non-zero value.
*
****************************************************************************/
#ifdef CONFIG_ROUTE_IPv4_CACHEROUTE
int net_foreachcache_ipv4(route_handler_ipv4_t handler, FAR void *arg);
#endif
#ifdef CONFIG_ROUTE_IPv6_CACHEROUTE
int net_foreachcache_ipv6(route_handler_ipv6_t handler, FAR void *arg);
#endif
/****************************************************************************
* Name: net_flushcache_ipv4 and net_flushcache_ipv6
*
* Description:
* Flush the content of the routing table cache
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
****************************************************************************/
#ifdef CONFIG_ROUTE_IPv4_CACHEROUTE
void net_flushcache_ipv4(void);
#endif
#ifdef CONFIG_ROUTE_IPv6_CACHEROUTE
void net_flushcache_ipv6(void);
#endif
#endif /* CONFIG_ROUTE_IPv4_CACHEROUTE || CONFIG_ROUTE_IPv6_CACHEROUTE */
#endif /* __NET_ROUTE_CACHEROUTE_H */