From: Shiraz Saleem <shiraz.saleem@intel.com>
To: jgg@nvidia.com, leon@kernel.org
Cc: linux-rdma@vger.kernel.org,
Sindhu-Devale <sindhu.devale@intel.com>,
Shiraz Saleem <shiraz.saleem@intel.com>
Subject: [PATCH for-rc 1/5] RDMA/irdma: Report the correct max cqes from query device
Date: Tue, 6 Sep 2022 17:32:40 -0500 [thread overview]
Message-ID: <20220906223244.1119-2-shiraz.saleem@intel.com> (raw)
In-Reply-To: <20220906223244.1119-1-shiraz.saleem@intel.com>
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 --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;
--
1.8.3.1
next prev parent reply other threads:[~2022-09-06 22:33 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-06 22:32 [PATCH for-rc 0/5] irdma for-rc updates 9-6-2022 Shiraz Saleem
2022-09-06 22:32 ` Shiraz Saleem [this message]
2022-09-06 22:32 ` [PATCH for-rc 2/5] RDMA/irdma: Return error on MR deregister CQP failure Shiraz Saleem
2022-09-06 22:32 ` [PATCH for-rc 3/5] RDMA/irdma: Return correct WC error for bind operation failure Shiraz Saleem
2022-09-06 22:32 ` [PATCH for-rc 4/5] RDMA/irdma: Use s/g array in post send only when its valid Shiraz Saleem
2022-09-06 22:32 ` [PATCH for-rc 5/5] RDMA/irdma: Report RNR NAK generation in device caps Shiraz Saleem
2022-09-07 8:29 ` [PATCH for-rc 0/5] irdma for-rc updates 9-6-2022 Leon Romanovsky
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220906223244.1119-2-shiraz.saleem@intel.com \
--to=shiraz.saleem@intel.com \
--cc=jgg@nvidia.com \
--cc=leon@kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=sindhu.devale@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.