[PATCH 09/12] IB/ehca: Add check for max #SGE to create_qp()

[Joachim Fenkes]

Signed-off-by: Joachim Fenkes <[EMAIL PROTECTED]>
---
 drivers/infiniband/hw/ehca/ehca_qp.c |   14 +++++++++++++-
 1 files changed, 13 insertions(+), 1 deletions(-)

diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c 
b/drivers/infiniband/hw/ehca/ehca_qp.c
index d2ab84a..7154f62 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -513,7 +513,7 @@ static struct ehca_qp *internal_create_qp(
                        } else if (init_attr->cap.max_send_wr > 255) {
                                ehca_err(pd->device,
                                         "Invalid Number of "
-                                        "ax_send_wr=%x for UD QP_TYPE=%x",
+                                        "max_send_wr=%x for UD QP_TYPE=%x",
                                         init_attr->cap.max_send_wr, qp_type);
                                return ERR_PTR(-EINVAL);
                        }
@@ -524,6 +524,18 @@ static struct ehca_qp *internal_create_qp(
                        return ERR_PTR(-EINVAL);
                        break;
                }
+       } else {
+               int max_sge = (qp_type == IB_QPT_UD || qp_type == IB_QPT_SMI
+                              || qp_type == IB_QPT_GSI) ? 250 : 252;
+
+               if (init_attr->cap.max_send_sge > max_sge
+                   || init_attr->cap.max_recv_sge > max_sge) {
+                       ehca_err(pd->device, "Invalid number of SGEs requested "
+                                "send_sge=%x recv_sge=%x max_sge=%x",
+                                init_attr->cap.max_send_sge,
+                                init_attr->cap.max_recv_sge, max_sge);
+                       return ERR_PTR(-EINVAL);
+               }
        }
 
        if (pd->uobject && udata)
-- 
1.5.2


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