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Commit 6303e74c authored by Joachim Fenkes's avatar Joachim Fenkes Committed by Roland Dreier
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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: default avatarJoachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent d706834d

drivers/infiniband/hw/ehca/ehca_reqs.c

+5 −1
Original line number Diff line number Diff line
@@ -786,7 +786,11 @@ static inline int ehca_poll_cq_one(struct ib_cq *cq, struct ib_wc *wc) 
	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;