ca5e8b5998
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@386 42af7a65-404d-4744-a932-0658087f49c3
113 lines
3.8 KiB
C
113 lines
3.8 KiB
C
/****************************************************************************
|
|
* netutils/uiplib/uip-setmacaddr.c
|
|
*
|
|
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
#if defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/ioctl.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <netinet/in.h>
|
|
|
|
#include <net/uip/uip-lib.h>
|
|
|
|
/****************************************************************************
|
|
* Definitions
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_NET_IPv6
|
|
# define AF_INETX AF_INET6
|
|
#else
|
|
# define AF_INETX AF_INET
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Global Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: uip_setmacaddr
|
|
*
|
|
* Description:
|
|
* Set the network driver MAC address
|
|
*
|
|
* Parameters:
|
|
* ifname The name of the interface to use
|
|
* macaddr MAC address to set, size must be IFHWADDRLEN
|
|
*
|
|
* Return:
|
|
* 0 on sucess; -1 on failure
|
|
*
|
|
****************************************************************************/
|
|
|
|
int uip_setmacaddr(const char *ifname, const uint8 *macaddr)
|
|
{
|
|
int ret = ERROR;
|
|
if (ifname && macaddr)
|
|
{
|
|
/* Get a socket (only so that we get access to the INET subsystem) */
|
|
|
|
int sockfd = socket(PF_INET, UIPLIB_SOCK_IOCTL, 0);
|
|
if (sockfd >= 0)
|
|
{
|
|
struct ifreq req;
|
|
|
|
/* Put the driver name into the request */
|
|
|
|
strncpy(req.ifr_name, ifname, IFNAMSIZ);
|
|
|
|
/* Put the new MAC address into the request */
|
|
|
|
req.ifr_hwaddr.sa_family = AF_INETX;
|
|
memcpy(&req.ifr_hwaddr.sa_data, macaddr, IFHWADDRLEN);
|
|
|
|
/* Perforom the ioctl to set the MAC address */
|
|
|
|
ret = ioctl(sockfd, SIOCSIFHWADDR, (unsigned long)&req);
|
|
close(sockfd);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
|