From 6303e74c699d6ba8bd3d44ec6898b2d6aa55d788 Mon Sep 17 00:00:00 2001 From: Joachim Fenkes Date: Sat, 5 Sep 2009 20:22:55 -0700 Subject: [PATCH] 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 Signed-off-by: Roland Dreier --- drivers/infiniband/hw/ehca/ehca_reqs.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) 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;