[PATCH 5.15 097/121] RDMA/irdma: Report RNR NAK generation in device caps

From: Greg Kroah-Hartman
Date: Tue Sep 13 2022 - 10:46:40 EST


From: Sindhu-Devale <sindhu.devale@xxxxxxxxx>

[ Upstream commit a261786fdc0a5bed2e5f994dcc0ffeeeb0d662c7 ]

Report RNR NAK generation when device capabilities are queried

Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs")
Signed-off-by: Sindhu-Devale <sindhu.devale@xxxxxxxxx>
Signed-off-by: Shiraz Saleem <shiraz.saleem@xxxxxxxxx>
Link: https://lore.kernel.org/r/20220906223244.1119-6-shiraz.saleem@xxxxxxxxx
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/infiniband/hw/irdma/verbs.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
index adb0e0774256c..5275616398d83 100644
--- a/drivers/infiniband/hw/irdma/verbs.c
+++ b/drivers/infiniband/hw/irdma/verbs.c
@@ -43,8 +43,11 @@ static int irdma_query_device(struct ib_device *ibdev,
props->max_sge_rd = hw_attrs->uk_attrs.max_hw_read_sges;
props->max_qp_rd_atom = hw_attrs->max_hw_ird;
props->max_qp_init_rd_atom = hw_attrs->max_hw_ord;
- if (rdma_protocol_roce(ibdev, 1))
+ if (rdma_protocol_roce(ibdev, 1)) {
+ props->device_cap_flags |= IB_DEVICE_RC_RNR_NAK_GEN;
props->max_pkeys = IRDMA_PKEY_TBL_SZ;
+ }
+
props->max_ah = rf->max_ah;
props->max_mcast_grp = rf->max_mcg;
props->max_mcast_qp_attach = IRDMA_MAX_MGS_PER_CTX;
--
2.35.1