IB/ehca: Return correct number of SGEs for SRQ

Firmware would round up the number of SGEs to four, because the WQE
structure holds four SGEs. For SRQ, only three are supported, so return
a fixed value instead.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index dd126681fed095dc7dd58eb674c6dd08e0f80c94..eff5fb55604b4c5b218a693bf61eef9bc0c0063b 100644 (file)
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -838,7 +838,7 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd,
 
        /* copy back return values */
        srq_init_attr->attr.max_wr = qp_init_attr.cap.max_recv_wr;
-       srq_init_attr->attr.max_sge = qp_init_attr.cap.max_recv_sge;
+       srq_init_attr->attr.max_sge = 3;
 
        /* drive SRQ into RTR state */
        mqpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
@@ -1750,7 +1750,7 @@ int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr)
        }
 
        srq_attr->max_wr = qpcb->max_nr_outst_recv_wr - 1;
-       srq_attr->max_sge = qpcb->actual_nr_sges_in_rq_wqe;
+       srq_attr->max_sge = 3;
        srq_attr->srq_limit = EHCA_BMASK_GET(
                MQPCB_CURR_SRQ_LIMIT, qpcb->curr_srq_limit);