L2T_STATE_STALE
case L2T_STATE_STALE: /* entry is stale, kick off revalidation */
if (e->state == L2T_STATE_STALE)
case L2T_STATE_STALE: /* entry is stale, kick off revalidation */
if (e->state == L2T_STATE_STALE) {
e->state = L2T_STATE_STALE;
L2T_STATE_VALID : L2T_STATE_STALE;
L2T_STATE_VALID : L2T_STATE_STALE;
case L2T_STATE_STALE: return 'S'; /* needs revalidation, but usable */