IB/mthca: Return port number for unconnected QPs in query_qp

port_num was not being returned for unconnected QPs.

Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index 6d6ba4180a39..4ac25cf06794 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -472,10 +472,14 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_m
         if (qp->transport == RC || qp->transport == UC) {
                 to_ib_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path);
                 to_ib_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path);
+                qp_attr->alt_pkey_index =
+                        be32_to_cpu(context->alt_path.port_pkey) & 0x7f;
+                qp_attr->alt_port_num   = qp_attr->alt_ah_attr.port_num;
         }
 
-        qp_attr->pkey_index     = be32_to_cpu(context->pri_path.port_pkey) & 0x7f;
-        qp_attr->alt_pkey_index = be32_to_cpu(context->alt_path.port_pkey) & 0x7f;
+        qp_attr->pkey_index = be32_to_cpu(context->pri_path.port_pkey) & 0x7f;
+        qp_attr->port_num   =
+                (be32_to_cpu(context->pri_path.port_pkey) >> 24) & 0x3;
 
         /* qp_attr->en_sqd_async_notify is only applicable in modify qp */
         qp_attr->sq_draining = mthca_state == MTHCA_QP_STATE_DRAINING;
@@ -486,11 +490,9 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_m
                 1 << ((be32_to_cpu(context->params2) >> 21) & 0x7);
         qp_attr->min_rnr_timer      =
                 (be32_to_cpu(context->rnr_nextrecvpsn) >> 24) & 0x1f;
-        qp_attr->port_num           = qp_attr->ah_attr.port_num;
         qp_attr->timeout            = context->pri_path.ackto >> 3;
         qp_attr->retry_cnt          = (be32_to_cpu(context->params1) >> 16) & 0x7;
         qp_attr->rnr_retry          = context->pri_path.rnr_retry >> 5;
-        qp_attr->alt_port_num       = qp_attr->alt_ah_attr.port_num;
         qp_attr->alt_timeout        = context->alt_path.ackto >> 3;
         qp_init_attr->cap           = qp_attr->cap;