Symbol: HK_QUEUE
sys/netgraph/netgraph.h
168
#define _NG_HOOK_FORCE_QUEUE(hook) do { hook->hk_flags |= HK_QUEUE; } while (0)
sys/netgraph/ng_base.c
2277
if ((flags & NG_QUEUE) || (hook && (hook->hk_flags & HK_QUEUE))) {