diff mbox series

[for-rc,1/5] RDMA/irdma: Report the correct max cqes from query device

Message ID 20220906223244.1119-2-shiraz.saleem@intel.com (mailing list archive)
State Accepted
Headers show
Series irdma for-rc updates 9-6-2022 | expand

Commit Message

Shiraz Saleem Sept. 6, 2022, 10:32 p.m. UTC 
From: Sindhu-Devale <sindhu.devale@intel.com>

Report the correct max cqes available to an application taking
into account a reserved entry to detect overflow.

Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs")
Signed-off-by: Sindhu-Devale <sindhu.devale@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
---
 drivers/infiniband/hw/irdma/verbs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
index 9b07b8a..f272a32 100644
--- a/drivers/infiniband/hw/irdma/verbs.c
+++ b/drivers/infiniband/hw/irdma/verbs.c
@@ -39,7 +39,7 @@  static int irdma_query_device(struct ib_device *ibdev,
 	props->max_send_sge = hw_attrs->uk_attrs.max_hw_wq_frags;
 	props->max_recv_sge = hw_attrs->uk_attrs.max_hw_wq_frags;
 	props->max_cq = rf->max_cq - rf->used_cqs;
-	props->max_cqe = rf->max_cqe;
+	props->max_cqe = rf->max_cqe - 1;
 	props->max_mr = rf->max_mr - rf->used_mrs;
 	props->max_mw = props->max_mr;
 	props->max_pd = rf->max_pd - rf->used_pds;