PN_LEGACY_FLOW_CONTROL
pn->rx_fc = pn->tx_fc = PN_LEGACY_FLOW_CONTROL;
PN_LEGACY_FLOW_CONTROL,
PN_LEGACY_FLOW_CONTROL,
case PN_LEGACY_FLOW_CONTROL: /* TODO */
case PN_LEGACY_FLOW_CONTROL:
pn->rx_fc = pn->tx_fc = PN_LEGACY_FLOW_CONTROL;
newpn->rx_fc = newpn->tx_fc = PN_LEGACY_FLOW_CONTROL;