FXP_CB_COMMAND_NOP
txp[i].cb_command = htole16(FXP_CB_COMMAND_NOP);
sc->sc_ctrl->tx_cb[0].cb_command = htole16(FXP_CB_COMMAND_NOP |
htole16(FXP_CB_COMMAND_I | FXP_CB_COMMAND_NOP | FXP_CB_COMMAND_S);
(txs->tx_cb->cb_command & htole16(FXP_CB_COMMAND_NOP)))) {