diff options
| author | Sindhu-Devale <sindhu.devale@intel.com> | 2022-09-06 17:32:40 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-15 11:30:06 +0200 |
| commit | c1872dfde6f7184bcd47c67ce50e3a8a4a22c858 (patch) | |
| tree | da3c15a6a1cf408fd34cb11702dfb3595e8bf14e /drivers/infiniband/hw | |
| parent | a1d7c8647c180a3d1b4c68aabe4b54c953679006 (diff) | |
RDMA/irdma: Report the correct max cqes from query device
[ Upstream commit 12faad5e5cf2372af2d51f348b697b5edf838daf ]
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>
Link: https://lore.kernel.org/r/20220906223244.1119-2-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/irdma/verbs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index cac4fb228b9b..adb0e0774256 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -36,7 +36,7 @@ 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; |