linux-kernel - [PATCH 5.19 143/192] RDMA/irdma: Report RNR NAK generation in device caps

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Message-Id: <20220913140417.144794875@linuxfoundation.org>
Date:   Tue, 13 Sep 2022 16:04:09 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Sindhu-Devale <sindhu.devale@...el.com>,
        Shiraz Saleem <shiraz.saleem@...el.com>,
        Leon Romanovsky <leon@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.19 143/192] RDMA/irdma: Report RNR NAK generation in device caps

From: Sindhu-Devale <sindhu.devale@...el.com>

[ 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@...el.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@...el.com>
Link: https://lore.kernel.org/r/20220906223244.1119-6-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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 e7120d7a5b4c6..ab73d1715f991 100644
--- a/drivers/infiniband/hw/irdma/verbs.c
+++ b/drivers/infiniband/hw/irdma/verbs.c
@@ -46,8 +46,11 @@ 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