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authorJoachim Fenkes <fenkes@de.ibm.com>2009-09-05 20:22:55 -0700
committerRoland Dreier <rolandd@cisco.com>2009-09-05 20:22:55 -0700
commit6303e74c699d6ba8bd3d44ec6898b2d6aa55d788 (patch)
tree90f66384c6c0540c8df90f4b7dafc09838b5d877
parentd706834d995939c96b4952bf042918879b4db18b (diff)
IB/ehca: Fix CQE flags reporting
The driver was reporting CQE flags in the wrong bit positions, causing consumers to miss incoming immediate data. Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
-rw-r--r--drivers/infiniband/hw/ehca/ehca_reqs.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c
index 5a3d96f84c7..8fd88cd828f 100644
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/infiniband/hw/ehca/ehca_reqs.c
@@ -786,7 +786,11 @@ repoll:
wc->slid = cqe->rlid;
wc->dlid_path_bits = cqe->dlid;
wc->src_qp = cqe->remote_qp_number;
- wc->wc_flags = cqe->w_completion_flags;
+ /*
+ * HW has "Immed data present" and "GRH present" in bits 6 and 5.
+ * SW defines those in bits 1 and 0, so we can just shift and mask.
+ */
+ wc->wc_flags = (cqe->w_completion_flags >> 5) & 3;
wc->ex.imm_data = cpu_to_be32(cqe->immediate_data);
wc->sl = cqe->service_level;