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Subject[PATCH 09/12] IB/ehca: Add check for max #SGE to create_qp()
Date
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
---
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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