netdev - [PATCH mlx5-next 03/14] RDMA/mlx5: Fill port info based on the relevant eswitch

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Message-Id: <20210803231959.26513-4-saeed@kernel.org>
Date:   Tue,  3 Aug 2021 16:19:48 -0700
From:   Saeed Mahameed <saeed@...nel.org>
To:     Saeed Mahameed <saeedm@...dia.com>,
        Leon Romanovsky <leonro@...dia.com>
Cc:     netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
        Mark Bloch <mbloch@...dia.com>,
        Mark Zhang <markzhang@...dia.com>
Subject: [PATCH mlx5-next 03/14] RDMA/mlx5: Fill port info based on the relevant eswitch

From: Mark Bloch <mbloch@...dia.com>

In shared FDB a single RDMA device can have representors that are
connected to two different eswitches. Use the right eswitch when
preparing the response to userspace.

Signed-off-by: Mark Bloch <mbloch@...dia.com>
Reviewed-by: Mark Zhang <markzhang@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 drivers/infiniband/hw/mlx5/std_types.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/mlx5/std_types.c b/drivers/infiniband/hw/mlx5/std_types.c
index c0ddf7b3c6e2..bbfcce3bdc84 100644
--- a/drivers/infiniband/hw/mlx5/std_types.c
+++ b/drivers/infiniband/hw/mlx5/std_types.c
@@ -114,14 +114,18 @@ static int fill_vport_vhca_id(struct mlx5_core_dev *mdev, u16 vport,
 static int fill_switchdev_info(struct mlx5_ib_dev *dev, u32 port_num,
 			       struct mlx5_ib_uapi_query_port *info)
 {
-	struct mlx5_core_dev *mdev = dev->mdev;
 	struct mlx5_eswitch_rep *rep;
+	struct mlx5_core_dev *mdev;
 	int err;
 
 	rep = dev->port[port_num - 1].rep;
 	if (!rep)
 		return -EOPNOTSUPP;
 
+	mdev = mlx5_eswitch_get_core_dev(rep->esw);
+	if (!mdev)
+		return -EINVAL;
+
 	info->vport = rep->vport;
 	info->flags |= MLX5_IB_UAPI_QUERY_PORT_VPORT;
 
@@ -138,9 +142,9 @@ static int fill_switchdev_info(struct mlx5_ib_dev *dev, u32 port_num,
 	if (err)
 		return err;
 
-	if (mlx5_eswitch_vport_match_metadata_enabled(mdev->priv.eswitch)) {
+	if (mlx5_eswitch_vport_match_metadata_enabled(rep->esw)) {
 		info->reg_c0.value = mlx5_eswitch_get_vport_metadata_for_match(
-			mdev->priv.eswitch, rep->vport);
+			rep->esw, rep->vport);
 		info->reg_c0.mask = mlx5_eswitch_get_vport_metadata_mask();
 		info->flags |= MLX5_IB_UAPI_QUERY_PORT_VPORT_REG_C0;
 	}
-- 
2.31.1