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From 5fa5489fb414fc500bb9eeef1f1600d8a1e0e2aa Mon Sep 17 00:00:00 2001
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From: Alaa Hleihel <ahleihel@redhat.com>
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Date: Mon, 1 Jun 2020 15:40:25 -0400
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Subject: [PATCH 273/312] [netdrv] net/mlx5e: Add support for devlink-port in
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non-representors mode
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Message-id: <20200601154102.25980-3-ahleihel@redhat.com>
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Patchwork-id: 315707
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Patchwork-instance: patchwork
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O-Subject: [RHEL8.3 BZ 1842258 02/39] net/mlx5e: Add support for devlink-port in non-representors mode
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Bugzilla: 1842258 1790226
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RH-Acked-by: Honggang Li <honli@redhat.com>
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RH-Acked-by: Kamal Heib <kheib@redhat.com>
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RH-Acked-by: Marcelo Leitner <mleitner@redhat.com>
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RH-Acked-by: Jarod Wilson <jarod@redhat.com>
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Bugzilla: http://bugzilla.redhat.com/1790226
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Bugzilla: http://bugzilla.redhat.com/1842258
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Upstream: v5.7-rc1
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commit c6acd629eec754a9679f922d51f90e44c769b80c
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Author: Vladyslav Tarasiuk <vladyslavt@mellanox.com>
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Date: Wed Nov 13 17:19:47 2019 +0200
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net/mlx5e: Add support for devlink-port in non-representors mode
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Added devlink_port field to mlx5e_priv structure and a callback to
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netdev ops to enable devlink to get info about the port. The port
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registration happens at driver initialization.
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Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com>
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Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
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Reviewed-by: Jiri Pirko <jiri@mellanox.com>
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Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Signed-off-by: Alaa Hleihel <ahleihel@redhat.com>
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Signed-off-by: Frantisek Hrbata <fhrbata@redhat.com>
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---
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drivers/net/ethernet/mellanox/mlx5/core/Makefile | 2 +-
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drivers/net/ethernet/mellanox/mlx5/core/en.h | 1 +
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.../net/ethernet/mellanox/mlx5/core/en/devlink.c | 38 ++++++++++++++++++++++
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.../net/ethernet/mellanox/mlx5/core/en/devlink.h | 15 +++++++++
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drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 11 +++++++
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5 files changed, 66 insertions(+), 1 deletion(-)
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create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en/devlink.c
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create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en/devlink.h
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diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
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index 9e85def607b9..51d6cc94adba 100644
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--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
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+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
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@@ -25,7 +25,7 @@ mlx5_core-$(CONFIG_MLX5_CORE_EN) += en_main.o en_common.o en_fs.o en_ethtool.o \
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en_tx.o en_rx.o en_dim.o en_txrx.o en/xdp.o en_stats.o \
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en_selftest.o en/port.o en/monitor_stats.o en/health.o \
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en/reporter_tx.o en/reporter_rx.o en/params.o en/xsk/umem.o \
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- en/xsk/setup.o en/xsk/rx.o en/xsk/tx.o
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+ en/xsk/setup.o en/xsk/rx.o en/xsk/tx.o en/devlink.o
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#
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# Netdev extra
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diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
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index 2e3a4ba96793..db0f2d9936cd 100644
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--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
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+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
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@@ -872,6 +872,7 @@ struct mlx5e_priv {
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#endif
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struct devlink_health_reporter *tx_reporter;
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struct devlink_health_reporter *rx_reporter;
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+ struct devlink_port dl_phy_port;
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struct mlx5e_xsk xsk;
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struct mlx5e_scratchpad scratchpad;
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};
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diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/en/devlink.c
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new file mode 100644
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index 000000000000..1a87a3fc6b44
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--- /dev/null
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+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/devlink.c
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@@ -0,0 +1,38 @@
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+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
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+/* Copyright (c) 2020, Mellanox Technologies inc. All rights reserved. */
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+
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+#include "en/devlink.h"
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+
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+int mlx5e_devlink_phy_port_register(struct net_device *dev)
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+{
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+ struct mlx5e_priv *priv;
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+ struct devlink *devlink;
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+ int err;
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+
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+ priv = netdev_priv(dev);
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+ devlink = priv_to_devlink(priv->mdev);
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+
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+ devlink_port_attrs_set(&priv->dl_phy_port,
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+ DEVLINK_PORT_FLAVOUR_PHYSICAL,
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+ PCI_FUNC(priv->mdev->pdev->devfn),
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+ false, 0,
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+ NULL, 0);
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+ err = devlink_port_register(devlink, &priv->dl_phy_port, 1);
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+ if (err)
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+ return err;
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+ devlink_port_type_eth_set(&priv->dl_phy_port, dev);
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+ return 0;
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+}
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+
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+void mlx5e_devlink_phy_port_unregister(struct mlx5e_priv *priv)
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+{
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+ devlink_port_unregister(&priv->dl_phy_port);
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+}
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+
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+struct devlink_port *mlx5e_get_devlink_phy_port(struct net_device *dev)
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+{
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+ struct mlx5e_priv *priv = netdev_priv(dev);
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+
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+ return &priv->dl_phy_port;
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+}
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+
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diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/devlink.h b/drivers/net/ethernet/mellanox/mlx5/core/en/devlink.h
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new file mode 100644
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index 000000000000..b8cd63b88688
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--- /dev/null
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+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/devlink.h
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@@ -0,0 +1,15 @@
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+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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+/* Copyright (c) 2020, Mellanox Technologies inc. All rights reserved. */
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+
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+#ifndef __MLX5E_EN_DEVLINK_H
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+#define __MLX5E_EN_DEVLINK_H
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+
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+#include <net/devlink.h>
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+#include "en.h"
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+
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+int mlx5e_devlink_phy_port_register(struct net_device *dev);
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+void mlx5e_devlink_phy_port_unregister(struct mlx5e_priv *priv);
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+struct devlink_port *mlx5e_get_devlink_phy_port(struct net_device *dev);
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+
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+#endif
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+
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diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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index 22298f67fbd2..0f48804f7fd2 100644
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--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@@ -62,6 +62,7 @@
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#include "en/xsk/setup.h"
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#include "en/xsk/rx.h"
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#include "en/xsk/tx.h"
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+#include "en/devlink.h"
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bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev)
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@@ -4634,6 +4635,7 @@ const struct net_device_ops mlx5e_netdev_ops = {
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.ndo_set_vf_link_state = mlx5e_set_vf_link_state,
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.ndo_get_vf_stats = mlx5e_get_vf_stats,
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#endif
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+ .ndo_get_devlink_port = mlx5e_get_devlink_phy_port,
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};
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static int mlx5e_check_required_hca_cap(struct mlx5_core_dev *mdev)
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@@ -5497,11 +5499,19 @@ static void *mlx5e_add(struct mlx5_core_dev *mdev)
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goto err_detach;
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}
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+ err = mlx5e_devlink_phy_port_register(netdev);
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+ if (err) {
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+ mlx5_core_err(mdev, "mlx5e_devlink_phy_port_register failed, %d\n", err);
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+ goto err_unregister_netdev;
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+ }
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+
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#ifdef CONFIG_MLX5_CORE_EN_DCB
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mlx5e_dcbnl_init_app(priv);
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#endif
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return priv;
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+err_unregister_netdev:
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+ unregister_netdev(netdev);
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err_detach:
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mlx5e_detach(mdev, priv);
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err_destroy_netdev:
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@@ -5523,6 +5533,7 @@ static void mlx5e_remove(struct mlx5_core_dev *mdev, void *vpriv)
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#ifdef CONFIG_MLX5_CORE_EN_DCB
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mlx5e_dcbnl_delete_app(priv);
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#endif
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+ mlx5e_devlink_phy_port_unregister(priv);
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unregister_netdev(priv->netdev);
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mlx5e_detach(mdev, vpriv);
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mlx5e_destroy_netdev(priv);
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--
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2.13.6
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