CONF_CONNECT_PEND
return !test_bit(CONF_CONNECT_PEND, &chan->conf_state);
set_bit(CONF_CONNECT_PEND, &chan->conf_state);
clear_bit(CONF_CONNECT_PEND, &chan->conf_state);
set_bit(CONF_CONNECT_PEND, &chan->conf_state);