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author | Gregory Nutt <gnutt@nuttx.org> | 2014-07-02 16:16:51 -0600 |
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committer | Gregory Nutt <gnutt@nuttx.org> | 2014-07-02 16:16:51 -0600 |
commit | 7f24c737b4d75340484337f5418c08c5de8c981d (patch) | |
tree | c094a105440114e2ecaff2e445efdb88d61cc40c /apps/netutils/netlib/netlib_setmacaddr.c | |
parent | d212fbb0d49e5b277a1ae82d75f880c7d64fb1c9 (diff) | |
download | px4-nuttx-7f24c737b4d75340484337f5418c08c5de8c981d.tar.gz px4-nuttx-7f24c737b4d75340484337f5418c08c5de8c981d.tar.bz2 px4-nuttx-7f24c737b4d75340484337f5418c08c5de8c981d.zip |
Rename files apps/netutils/netlib/uip_*.c to apps/netutils/netlib/netlib_*.c
Diffstat (limited to 'apps/netutils/netlib/netlib_setmacaddr.c')
-rw-r--r-- | apps/netutils/netlib/netlib_setmacaddr.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/apps/netutils/netlib/netlib_setmacaddr.c b/apps/netutils/netlib/netlib_setmacaddr.c new file mode 100644 index 000000000..d35034a69 --- /dev/null +++ b/apps/netutils/netlib/netlib_setmacaddr.c @@ -0,0 +1,116 @@ +/**************************************************************************** + * netutils/netlib/uip_setmacaddr.c + * + * Copyright (C) 2007-2009, 2011-2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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/socket.h> +#include <sys/ioctl.h> +#include <stdint.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> + +#include <netinet/in.h> +#include <net/if.h> + +#include <apps/netutils/netlib.h> + +/**************************************************************************** + * Pre-processor 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_t *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, NETLIB_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); + + /* Perform the ioctl to set the MAC address */ + + ret = ioctl(sockfd, SIOCSIFHWADDR, (unsigned long)&req); + close(sockfd); + } + } + + return ret; +} + +#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */ |