L2T_STATE_VALID
e->state = L2T_STATE_VALID;
e->state = L2T_STATE_VALID;
case L2T_STATE_VALID: /* fast-path, send the packet on */
e->state = L2T_STATE_VALID;
L2T_STATE_VALID : L2T_STATE_STALE;
if (likely(e->state == L2T_STATE_VALID))
L2T_STATE_STALE : L2T_STATE_VALID;
e->state = L2T_STATE_VALID;
case L2T_STATE_VALID: /* fast-path, send the packet on */
e->state = L2T_STATE_VALID;
L2T_STATE_VALID : L2T_STATE_STALE;
case L2T_STATE_VALID: return 'V';
valid = (e->state == L2T_STATE_VALID);