incubator-nuttx/net/route/net_add_fileroute.c

133 lines
4.0 KiB
C

/****************************************************************************
* net/route/net_add_fileroute.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 <stdint.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/fs/fs.h>
#include <nuttx/net/ip.h>
#include "netlink/netlink.h"
#include "route/fileroute.h"
#include "route/route.h"
#if defined(CONFIG_ROUTE_IPv4_FILEROUTE) || defined(CONFIG_ROUTE_IPv6_FILEROUTE)
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: net_addroute_ipv4 and net_addroute_ipv6
*
* Description:
* Add a new route to the routing table
*
* Input Parameters:
*
* Returned Value:
* OK on success; Negated errno on failure.
*
****************************************************************************/
#ifdef CONFIG_ROUTE_IPv4_FILEROUTE
int net_addroute_ipv4(in_addr_t target, in_addr_t netmask, in_addr_t router)
{
struct net_route_ipv4_s route;
struct file fshandle;
ssize_t nwritten;
int ret;
/* Format the new routing table entry */
net_ipv4addr_copy(route.target, target);
net_ipv4addr_copy(route.netmask, netmask);
net_ipv4addr_copy(route.router, router);
net_ipv4_dumproute("New route", &route);
/* Open the IPv4 routing table for append access */
ret = net_openroute_ipv4(O_WRONLY | O_APPEND | O_CREAT, &fshandle);
if (ret < 0)
{
nerr("ERROR: Could not open IPv4 routing table: %d\n", ret);
return ret;
}
/* Then append the new entry to the end of the routing table */
nwritten = net_writeroute_ipv4(&fshandle, &route);
net_closeroute_ipv4(&fshandle);
netlink_route_notify(&route, RTM_NEWROUTE, AF_INET);
return nwritten >= 0 ? 0 : (int)nwritten;
}
#endif
#ifdef CONFIG_ROUTE_IPv6_FILEROUTE
int net_addroute_ipv6(net_ipv6addr_t target, net_ipv6addr_t netmask,
net_ipv6addr_t router)
{
struct net_route_ipv6_s route;
struct file fshandle;
ssize_t nwritten;
int ret;
/* Format the new routing table entry */
net_ipv6addr_copy(route.target, target);
net_ipv6addr_copy(route.netmask, netmask);
net_ipv6addr_copy(route.router, router);
net_ipv6_dumproute("New route", &route);
/* Open the IPv6 routing table for append access */
ret = net_openroute_ipv6(O_WRONLY | O_APPEND | O_CREAT, &fshandle);
if (ret < 0)
{
nerr("ERROR: Could not open IPv6 routing table: %d\n", ret);
return ret;
}
/* Then append the new entry to the end of the routing table */
nwritten = net_writeroute_ipv6(&fshandle, &route);
net_closeroute_ipv6(&fshandle);
netlink_route_notify(&route, RTM_NEWROUTE, AF_INET6);
return nwritten >= 0 ? 0 : (int)nwritten;
}
#endif
#endif /* CONFIG_ROUTE_IPv4_FILEROUTE || CONFIG_ROUTE_IPv6_FILEROUTE */