+static inline int post_one_send(struct ehca_qp *my_qp,
+ struct ib_send_wr *cur_send_wr,
+ struct ib_send_wr **bad_send_wr,
+ int hidden)
+{
+ struct ehca_wqe *wqe_p;
+ int ret;
+ u64 start_offset = my_qp->ipz_squeue.current_q_offset;
+
+ /* get pointer next to free WQE */
+ wqe_p = ipz_qeit_get_inc(&my_qp->ipz_squeue);
+ if (unlikely(!wqe_p)) {
+ /* too many posted work requests: queue overflow */
+ if (bad_send_wr)
+ *bad_send_wr = cur_send_wr;
+ ehca_err(my_qp->ib_qp.device, "Too many posted WQEs "
+ "qp_num=%x", my_qp->ib_qp.qp_num);
+ return -ENOMEM;
+ }
+ /* write a SEND WQE into the QUEUE */
+ ret = ehca_write_swqe(my_qp, wqe_p, cur_send_wr, hidden);
+ /*
+ * if something failed,
+ * reset the free entry pointer to the start value
+ */
+ if (unlikely(ret)) {
+ my_qp->ipz_squeue.current_q_offset = start_offset;
+ if (bad_send_wr)
+ *bad_send_wr = cur_send_wr;
+ ehca_err(my_qp->ib_qp.device, "Could not write WQE "
+ "qp_num=%x", my_qp->ib_qp.qp_num);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+