112 lines
3.8 KiB
C
112 lines
3.8 KiB
C
/****************************************************************************
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* netutils/netlib/netlib_seteaddr.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 <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(PF_INET6, NETLIB_SOCK_TYPE, 0);
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if (sockfd >= 0)
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{
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/* Perform the IOCTL */
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strncpy(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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