RDMA_DUMMY_WRID
if (wc.wc_id != RDMA_DUMMY_WRID) {
if (wc.wc_id != RDMA_DUMMY_WRID) {
tx_wr.wr_id = (ibt_wrid_t)RDMA_DUMMY_WRID;
tx_wr.wr_id = (ibt_wrid_t)RDMA_DUMMY_WRID;
rx_wr.wr_id = (ibt_wrid_t)RDMA_DUMMY_WRID;