SS_FLAG_DOG_WAITING
atomic_or_32(&ss->ss_flags, SS_FLAG_DOG_WAITING);
atomic_and_32(&ss->ss_flags, ~SS_FLAG_DOG_WAITING);
ss->ss_flags |= SS_FLAG_DOG_WAITING;
ss->ss_flags &= ~SS_FLAG_DOG_WAITING;
if (FRM2MAC(frm)->fm_ss->ss_flags & SS_FLAG_DOG_WAITING) {