Function getvhtconf

tools/ifconfig/ifieee80211.c:217–225

static	int gotvhtconf = 0;

static void
getvhtconf(int s)
{
	if (gotvhtconf)
		return;
	if (get80211val(s, IEEE80211_IOC_VHTCONF, &vhtconf) < 0)
		warn("unable to get VHT configuration information");
	gotvhtconf = 1;
}

/*
 * Collect channel info from the kernel.  We use this (mostly)