Function setnd6defif

tools/ifconfig/af_nd6.c:113–144

}

void
setnd6defif(const char *dummyaddr __unused,
	int d, int s,
	const struct afswtch *afp)
{
	struct in6_ndifreq ndifreq;
	int ifindex;
	int error;

	memset(&ndifreq, 0, sizeof(ndifreq));
	strlcpy(ndifreq.ifname, ifr.ifr_name, sizeof(ndifreq.ifname));

	if (d < 0) {
		if (isnd6defif(s)) {
			/* ifindex = 0 means to remove default if */
			ifindex = 0;
		} else
			return;
	} else if ((ifindex = if_nametoindex(ndifreq.ifname)) == 0) {
		warn("if_nametoindex(%s)", ndifreq.ifname);
		return;
	}

	ndifreq.ifindex = ifindex;
#ifndef FSTACK
	error = ioctl(s, SIOCSDEFIFACE_IN6, (caddr_t)&ndifreq);
#else
	error = ioctl_va(s, SIOCSDEFIFACE_IN6, (caddr_t)&ndifreq, 1, AF_INET6);
#endif
	if (error)
		warn("ioctl(SIOCSDEFIFACE_IN6)");
}

static int
isnd6defif(int s)