CPL_RX_ISCSI_DDP
t4_register_cpl_handler(CPL_RX_ISCSI_DDP, do_rx_iscsi_ddp);
t4_register_cpl_handler(CPL_RX_ISCSI_DDP, NULL);
t4_cpl_handler[CPL_RX_ISCSI_DDP](iq, rss, m);