rdma_msg
*p++ = rdma_msg;
if (rep->rr_proc != rdma_msg)
case rdma_msg:
*p++ = rdma_msg;
*p++ = rdma_msg;
*p++ = rdma_msg;
case rdma_msg:
if (rctxt->rc_msgtype != rdma_msg)
*p = pcl_is_empty(&rctxt->rc_reply_pcl) ? rdma_msg : rdma_nomsg;