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RDMA/irdma: Do not generate SW completions for NOPs

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commit 30ed9ee9a1 upstream.

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: 81091d7696 ("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>
Link: https://lore.kernel.org/r/20230315145231.931-2-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mustafa Ismail 2023-03-15 09:52:28 -05:00 • committed by Justin Hammond
parent 14d6eee673
commit 8aca3b0748
1 changed files with 4 additions and 1 deletions
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5
drivers/infiniband/hw/irdma/utils.c
View file

@ -2650,7 +2650,10 @@ 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);