nuttx-apps/netutils/netlib/netlib_getpanid.c
Alin Jerpelea 5572819bb1 netutils: nxstyle fixes
fixes for errors reported by nxstyle tool

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-06-11 08:53:57 -05:00

96 lines
3.0 KiB
C

/****************************************************************************
* apps/netutils/netlib/netlib_getpanid.c
*
* 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 <sys/socket.h>
#include <sys/ioctl.h>
#include <stdint.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <net/if.h>
#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
#include "netutils/netlib.h"
#if defined(CONFIG_NET_6LOWPAN) || defined(CONFIG_NET_IEEE802154)
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: netlib_getpanid
*
* Description:
* Return the current PAN ID
*
* Parameters:
* ifname The name of the interface to use
* panid The location to return the current PAN ID
*
* Return:
* 0 on success; -1 on failure. errno will be set on failure.
*
****************************************************************************/
int netlib_getpanid(FAR const char *ifname, FAR uint8_t *panid)
{
struct ieee802154_netmac_s arg;
int ret = ERROR;
if (ifname != NULL && panid != NULL)
{
/* Get a socket (only so that we get access to the INET subsystem) */
int sockfd = socket(PF_INET6, NETLIB_SOCK_TYPE, 0);
if (sockfd >= 0)
{
/* Perform the IOCTL */
strncpy(arg.ifr_name, ifname, IFNAMSIZ);
arg.u.getreq.attr = IEEE802154_ATTR_MAC_PANID;
ret = ioctl(sockfd, MAC802154IOC_MLME_GET_REQUEST,
(unsigned long)((uintptr_t)&arg));
if (ret < 0)
{
ret = -errno;
fprintf(stderr, "MAC802154IOC_MLME_GET_REQUEST failed: %d\n",
ret);
}
close(sockfd);
IEEE802154_PANIDCOPY(panid, arg.u.getreq.attrval.mac.panid);
}
}
return ret;
}
#endif /* CONFIG_NET_6LOWPAN || CONFIG_NET_IEEE802154 */