From d6fd59e14ed2975d9b372876c45a09d76d1e70c9 Mon Sep 17 00:00:00 2001
From: Parav Pandit <parav@nvidia.com>
Date: Wed, 27 Jan 2021 17:00:03 +0200
Subject: [PATCH] IB/mlx5: Support default partition key for representor port
Representor port has only one default pkey. Hence have simpler query pkey
callback or it.
Link: https://lore.kernel.org/r/20210127150010.1876121-4-leon@kernel.org
Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
drivers/infiniband/hw/mlx5/main.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 477c90bc5b0ea..40fb86db33769 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1400,6 +1400,16 @@ static int mlx5_ib_rep_query_port(struct ib_device *ibdev, u8 port,
return ret;
}
+static int mlx5_ib_rep_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
+ u16 *pkey)
+{
+ /* Default special Pkey for representor device port as per the
+ * IB specification 1.3 section 10.9.1.2.
+ */
+ *pkey = 0xffff;
+ return 0;
+}
+
static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
union ib_gid *gid)
{
@@ -4209,6 +4219,7 @@ static int mlx5_ib_stage_non_default_cb(struct mlx5_ib_dev *dev)
static const struct ib_device_ops mlx5_ib_dev_port_rep_ops = {
.get_port_immutable = mlx5_port_rep_immutable,
.query_port = mlx5_ib_rep_query_port,
+ .query_pkey = mlx5_ib_rep_query_pkey,
};
static int mlx5_ib_stage_raw_eth_non_default_cb(struct mlx5_ib_dev *dev)
--
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