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

[ 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: b48c24c2d710 ("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>

diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
index d9750901c5990fc0d988708f2b563e483dda736f..60618b2046b9759b392eb5a8f8905beec2e73ce3 100644 (file)
--- a/drivers/infiniband/hw/irdma/verbs.c
+++ b/drivers/infiniband/hw/irdma/verbs.c
@@ -2186,9 +2186,8 @@ 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");