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RDMA/irdma: Set the CQ read threshold for GEN 1

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[ Upstream commit 666047f3ece9f991774c1fe9b223139a9ef8908d ]

The CQ shadow read threshold is currently not set for GEN 2.  This could
cause an invalid CQ overflow condition, so remove the GEN check that
exclused GEN 1.

Fixes: b48c24c2d7 ("RDMA/irdma: Implement device supported verb APIs")
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Sindhu Devale <sindhu.devale@intel.com>
Link: https://lore.kernel.org/r/20240131233849.400285-4-sindhu.devale@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mustafa Ismail
2024-01-31 17:38:48 -06:00
committed by Greg Kroah-Hartman
parent a95d4cf827
commit 056ed95bef
1 changed files with 2 additions and 3 deletions
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5
drivers/infiniband/hw/irdma/verbs.c
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@@ -2076,9 +2076,8 @@ static int irdma_create_cq(struct ib_cq *ibcq,
info.cq_base_pa = iwcq->kmem.pa;
}
if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2)
info.shadow_read_threshold = min(info.cq_uk_init_info.cq_size / 2,
(u32)IRDMA_MAX_CQ_READ_THRESH);
info.shadow_read_threshold = min(info.cq_uk_init_info.cq_size / 2,
(u32)IRDMA_MAX_CQ_READ_THRESH);
if (irdma_sc_cq_init(cq, &info)) {
ibdev_dbg(&iwdev->ibdev, "VERBS: init cq fail\n");