diff options
| author | Joachim Fenkes <fenkes@de.ibm.com> | 2009-09-05 20:22:55 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2009-09-05 20:22:55 -0700 |
| commit | 6303e74c699d6ba8bd3d44ec6898b2d6aa55d788 (patch) | |
| tree | 90f66384c6c0540c8df90f4b7dafc09838b5d877 /drivers/infiniband | |
| parent | d706834d995939c96b4952bf042918879b4db18b (diff) | |
| download | lwn-6303e74c699d6ba8bd3d44ec6898b2d6aa55d788.tar.gz lwn-6303e74c699d6ba8bd3d44ec6898b2d6aa55d788.zip | |
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>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_reqs.c | 6 |
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 5a3d96f84c79..8fd88cd828fd 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; |