mlxcx_wqe_control_seg_t
CTASSERT(sizeof (mlxcx_wqe_control_seg_t) == (1 << 4));
(sizeof (mlxcx_wqe_eth_seg_t) + sizeof (mlxcx_wqe_control_seg_t)) / \
mlxcx_wqe_control_seg_t mlsqe_control;