96 lines
3.0 KiB
C
96 lines
3.0 KiB
C
/****************************************************************************
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* apps/netutils/netlib/netlib_seteaddr.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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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <stdint.h>
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#include <stdio.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 <net/if.h>
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#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
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#include "netutils/netlib.h"
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#if defined(CONFIG_NET_6LOWPAN) || defined(CONFIG_NET_IEEE802154)
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: netlib_seteaddr
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*
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* Description:
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* Set the IEEE802.15.4 extended MAC 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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* eaddr The new extended address
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*
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* Return:
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* 0 on success; -1 on failure. errno will be set on failure.
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*
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****************************************************************************/
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int netlib_seteaddr(FAR const char *ifname, FAR const uint8_t *eaddr)
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{
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struct ieee802154_netmac_s arg;
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int ret = ERROR;
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if (ifname != NULL)
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{
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/* Get a socket (only so that we get access to the INET subsystem) */
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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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/* Perform the IOCTL */
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strlcpy(arg.ifr_name, ifname, IFNAMSIZ);
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arg.u.setreq.attr = IEEE802154_ATTR_MAC_EADDR;
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IEEE802154_EADDRCOPY(arg.u.setreq.attrval.mac.eaddr, eaddr);
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ret = ioctl(sockfd, MAC802154IOC_MLME_SET_REQUEST,
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(unsigned long)((uintptr_t)&arg));
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if (ret < 0)
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{
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ret = -errno;
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fprintf(stderr, "MAC802154IOC_MLME_SET_REQUEST failed: %d\n",
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ret);
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}
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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_6LOWPAN || CONFIG_NET_IEEE802154 */
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