diff mbox series

[for-rc,1/4] RDMA/irdma: Do not generate SW completions for NOPs

Message ID 20230315145231.931-2-shiraz.saleem@intel.com (mailing list archive)
State Accepted
Headers show
Series irdma fixes | expand

Commit Message

Shiraz Saleem March 15, 2023, 2:52 p.m. UTC 
From: Mustafa Ismail <mustafa.ismail@intel.com>

Currently, artificial SW completions are generated for NOP wqes which can
generate unexpected completions with wr_id = 0. Skip the generation of
artificial completions for NOPs.

Fixes: 81091d7696ae ("RDMA/irdma: Add SW mechanism to generate completions on error")
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
---
 drivers/infiniband/hw/irdma/utils.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/irdma/utils.c b/drivers/infiniband/hw/irdma/utils.c
index 445e69e8..7887230 100644
--- a/drivers/infiniband/hw/irdma/utils.c
+++ b/drivers/infiniband/hw/irdma/utils.c
@@ -2595,7 +2595,10 @@  void irdma_generate_flush_completions(struct irdma_qp *iwqp)
 			/* remove the SQ WR by moving SQ tail*/
 			IRDMA_RING_SET_TAIL(*sq_ring,
 				sq_ring->tail + qp->sq_wrtrk_array[sq_ring->tail].quanta);
-
+			if (cmpl->cpi.op_type == IRDMAQP_OP_NOP) {
+				kfree(cmpl);
+				continue;
+			}
 			ibdev_dbg(iwqp->iwscq->ibcq.device,
 				  "DEV: %s: adding wr_id = 0x%llx SQ Completion to list qp_id=%d\n",
 				  __func__, cmpl->cpi.wr_id, qp->qp_id);