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* [PATCH] RDMA/bnxt_re: Fix entry size during SRQ create
@ 2020-10-13  6:15 Selvin Xavier
  2020-10-28 12:52 ` Jason Gunthorpe
  0 siblings, 1 reply; 2+ messages in thread
From: Selvin Xavier @ 2020-10-13  6:15 UTC (permalink / raw)
  To: jgg, dledford; +Cc: linux-rdma, Selvin Xavier, Devesh Sharma

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Only static WQE is supported for SRQ. So always
use the max supported SGEs while calculating
SRQ entry size.

Fixes: 2bb3c32c5c5f ("RDMA/bnxt_re: Change wr posting logic to accommodate  variable wqes")
Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
---
 drivers/infiniband/hw/bnxt_re/ib_verbs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index cf3db96..b12bf20 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -1657,8 +1657,8 @@ int bnxt_re_create_srq(struct ib_srq *ib_srq,
 	srq->qplib_srq.max_wqe = entries;
 
 	srq->qplib_srq.max_sge = srq_init_attr->attr.max_sge;
-	srq->qplib_srq.wqe_size =
-			bnxt_re_get_rwqe_size(srq->qplib_srq.max_sge);
+	 /* 128 byte wqe size for SRQ . So use max sges */
+	srq->qplib_srq.wqe_size = bnxt_re_get_rwqe_size(dev_attr->max_srq_sges);
 	srq->qplib_srq.threshold = srq_init_attr->attr.srq_limit;
 	srq->srq_limit = srq_init_attr->attr.srq_limit;
 	srq->qplib_srq.eventq_hw_ring_id = rdev->nq[0].ring_id;
-- 
2.5.5


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^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] RDMA/bnxt_re: Fix entry size during SRQ create
  2020-10-13  6:15 [PATCH] RDMA/bnxt_re: Fix entry size during SRQ create Selvin Xavier
@ 2020-10-28 12:52 ` Jason Gunthorpe
  0 siblings, 0 replies; 2+ messages in thread
From: Jason Gunthorpe @ 2020-10-28 12:52 UTC (permalink / raw)
  To: Selvin Xavier; +Cc: dledford, linux-rdma, Devesh Sharma

On Mon, Oct 12, 2020 at 11:15:52PM -0700, Selvin Xavier wrote:
> Only static WQE is supported for SRQ. So always
> use the max supported SGEs while calculating
> SRQ entry size.
> 
> Fixes: 2bb3c32c5c5f ("RDMA/bnxt_re: Change wr posting logic to accommodate  variable wqes")
> Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com>
> Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
> ---
>  drivers/infiniband/hw/bnxt_re/ib_verbs.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Applied to for-next, thanks

Jason

^ permalink raw reply	[flat|nested] 2+ messages in thread

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