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Add an ioctal() that can be used to perform ICMPv6 auto-configuration

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This commit is contained in:
Gregory Nutt 2015-02-03 08:54:42 -06:00
parent dc0492fd21
commit 0ee67383d5
1 changed files with 14 additions and 17 deletions
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31
netutils/netlib/netlib_autoconfig.c
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@ -74,36 +74,33 @@ int netlib_icmpv6_autoconfiguration(FAR const char *ifname)
{
int ret = ERROR;
#if 1 /* Not yet implemented */
/* Verify that an interface name was provided */
# warning Missing logic
errno = ENOSYS;
#else
if (ifname)
{
/* Get an IPv6 socket */
int sockfd = socket(PF_INET6, NETLIB_SOCK_IOCTL, 0);
if (sockfd >= 0)
{
FAR struct sockaddr_in6 *inaddr;
/* Create a request consisting only of the interface name */
struct lifreq req;
/* Add the device name to the request */
strncpy(req.lifr_name, ifname, IFNAMSIZ);
/* Add the INET address to the request */
/* Perform the ICMPv6 auto-configuration and close the socket */
inaddr = (FAR struct sockaddr_in6 *)&req.lifr_addr;
inaddr->sin6_family = AF_INET6;
inaddr->sin6_port = 0;
memcpy(&inaddr->sin6_addr, addr, sizeof(struct in6_addr));
ret = ioctl(sockfd, SIOCSLIFNETMASK, (unsigned long)((uintptr_t)&req));
ret = ioctl(sockfd, SIOCIFAUTOCONF,
(unsigned long)((uintptr_t)&req));
close(sockfd);
}
}
#endif
else
{
/* No interface name */
set_errno(EINVAL);
}
return ret;
}