Table: Requester Request Interface Signals for m_axis_rx_tuser shows the Requester Request interface signals used to generate the s_axis_tx_tstrb signal bus.
Table: Mapping Between s_axis_cc_tkeep and s_axis_tx_tstrb shows the mapping between s_axis_cc_tkeep from the Completer Completion interface and the s_axis_tx_tstrb signal bus from the AXI4-Stream (Basic) Transmit interface when tlast is not asserted.