93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
/****************************************************************************
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* apps/netutils/netlib/netlib_setdripv6addr.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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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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#ifdef CONFIG_NET_IPv6
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <netinet/in.h>
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#include <net/if.h>
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#include "netutils/netlib.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: netlib_set_dripv6addr
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*
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* Description:
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* Set the default router IP address
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*
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* Parameters:
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* ifname The name of the interface to use
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* ipaddr The address to set
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*
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* Return:
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* 0 on success; -1 on failure
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*
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****************************************************************************/
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int netlib_set_dripv6addr(FAR const char *ifname,
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FAR const struct in6_addr *addr)
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{
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int ret = ERROR;
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if (ifname && addr)
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{
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int sockfd = socket(NET_SOCK_FAMILY, NET_SOCK_TYPE, NET_SOCK_PROTOCOL);
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if (sockfd >= 0)
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{
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FAR struct sockaddr_in6 *inaddr;
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struct lifreq req;
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/* Add the device name to the request */
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strlcpy(req.lifr_name, ifname, IFNAMSIZ);
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/* Add the INET address to the request */
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inaddr = (FAR struct sockaddr_in6 *)&req.lifr_addr;
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inaddr->sin6_family = AF_INET6;
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inaddr->sin6_port = 0;
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memcpy(&inaddr->sin6_addr, addr, sizeof(struct in6_addr));
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ret = ioctl(sockfd, SIOCSLIFDSTADDR,
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(unsigned long)((uintptr_t)&req));
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close(sockfd);
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}
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}
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return ret;
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}
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#endif /* CONFIG_NET_IPv6 */
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