RDMA_READ_RESPONSE_MIDDLE
qp->s_state = OP(RDMA_READ_RESPONSE_MIDDLE);
qp->s_ack_state = OP(RDMA_READ_RESPONSE_MIDDLE);
case OP(RDMA_READ_RESPONSE_MIDDLE):
case OP(RDMA_READ_RESPONSE_MIDDLE):
if (opcode == OP(RDMA_READ_RESPONSE_MIDDLE))
case OP(RDMA_READ_RESPONSE_MIDDLE):