ae78a925eb
Squashed commit of the following:
net/route: Flush in cache when any entry is deleted from the routing table. When a router matching an IP address is found, add the routing table entry to the cache.
net/route: Add utility functions to manage an in-memory cache to improve performance when use a file-based routing table.
109 lines
3.7 KiB
C
109 lines
3.7 KiB
C
/****************************************************************************
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* net/route/net_foreach_romroute.c
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include "route/romroute.h"
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#include "route/route.h"
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#if defined(CONFIG_ROUTE_IPv4_ROMROUTE) || defined(CONFIG_ROUTE_IPv6_ROMROUTE)
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: net_foreachroute_ipv4 and net_foreachroute_ipv6
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*
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* Description:
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* Traverse the routing table
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*
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* Parameters:
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* handler - Will be called for each route in the routing table.
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* arg - An arbitrary value that will be passed tot he handler.
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*
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* Returned Value:
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* Zero (OK) returned if the entire table was search. A negated errno
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* value will be returned in the event of a failure. Handlers may also
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* terminate the search early with any non-zero, non-negative value.
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*
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****************************************************************************/
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#ifdef CONFIG_ROUTE_IPv4_ROMROUTE
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int net_foreachroute_ipv4(route_handler_ipv4_t handler, FAR void *arg)
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{
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int ret = 0;
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int i;
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/* Visit each entry in the routing table */
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for (i = 0; ret == 0 && i < g_ipv4_nroutes; i++)
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{
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/* Call the handler. */
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ret = handler(&g_ipv4_routes[i], arg);
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}
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return ret;
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}
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#endif
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#ifdef CONFIG_ROUTE_IPv6_ROMROUTE
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int net_foreachroute_ipv6(route_handler_ipv6_t handler, FAR void *arg)
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{
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int ret = 0;
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int i;
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/* Visit each entry in the routing table */
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for (i = 0; ret == 0 && i < g_ipv6_nroutes; i++)
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{
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/* Call the handler. */
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ret = handler(&g_ipv6_routes[i], arg);
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}
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return ret;
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}
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#endif
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#endif /* CONFIG_ROUTE_IPv4_ROMROUTE || CONFIG_ROUTE_IPv6_ROMROUTE */
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