CONN_RNR_SENT
clear_bit(CONN_RNR_SENT, &chan->conn_state);
set_bit(CONN_RNR_SENT, &chan->conn_state);
if (test_bit(CONN_RNR_SENT, &chan->conn_state)) {
if (test_bit(CONN_RNR_SENT, &chan->conn_state)) {