1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
2 /* Copyright (c) 2020, Mellanox Technologies inc. All rights reserved. */
3
4 #include "en/devlink.h"
5 #include "eswitch.h"
6
7 static void
mlx5e_devlink_get_port_parent_id(struct mlx5_core_dev * dev,struct netdev_phys_item_id * ppid)8 mlx5e_devlink_get_port_parent_id(struct mlx5_core_dev *dev, struct netdev_phys_item_id *ppid)
9 {
10 u64 parent_id;
11
12 parent_id = mlx5_query_nic_system_image_guid(dev);
13 ppid->id_len = sizeof(parent_id);
14 memcpy(ppid->id, &parent_id, sizeof(parent_id));
15 }
16
mlx5e_devlink_port_register(struct mlx5e_priv * priv)17 int mlx5e_devlink_port_register(struct mlx5e_priv *priv)
18 {
19 struct devlink *devlink = priv_to_devlink(priv->mdev);
20 struct devlink_port_attrs attrs = {};
21 struct netdev_phys_item_id ppid = {};
22 struct devlink_port *dl_port;
23 unsigned int dl_port_index;
24
25 if (mlx5_core_is_pf(priv->mdev)) {
26 attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
27 attrs.phys.port_number = PCI_FUNC(priv->mdev->pdev->devfn);
28 if (MLX5_ESWITCH_MANAGER(priv->mdev)) {
29 mlx5e_devlink_get_port_parent_id(priv->mdev, &ppid);
30 memcpy(attrs.switch_id.id, ppid.id, ppid.id_len);
31 attrs.switch_id.id_len = ppid.id_len;
32 }
33 dl_port_index = mlx5_esw_vport_to_devlink_port_index(priv->mdev,
34 MLX5_VPORT_UPLINK);
35 } else {
36 attrs.flavour = DEVLINK_PORT_FLAVOUR_VIRTUAL;
37 dl_port_index = mlx5_esw_vport_to_devlink_port_index(priv->mdev, 0);
38 }
39
40 dl_port = mlx5e_devlink_get_dl_port(priv);
41 memset(dl_port, 0, sizeof(*dl_port));
42 devlink_port_attrs_set(dl_port, &attrs);
43
44 return devlink_port_register(devlink, dl_port, dl_port_index);
45 }
46
mlx5e_devlink_port_type_eth_set(struct mlx5e_priv * priv)47 void mlx5e_devlink_port_type_eth_set(struct mlx5e_priv *priv)
48 {
49 struct devlink_port *dl_port = mlx5e_devlink_get_dl_port(priv);
50
51 devlink_port_type_eth_set(dl_port, priv->netdev);
52 }
53
mlx5e_devlink_port_unregister(struct mlx5e_priv * priv)54 void mlx5e_devlink_port_unregister(struct mlx5e_priv *priv)
55 {
56 struct devlink_port *dl_port = mlx5e_devlink_get_dl_port(priv);
57
58 devlink_port_unregister(dl_port);
59 }
60
mlx5e_get_devlink_port(struct net_device * dev)61 struct devlink_port *mlx5e_get_devlink_port(struct net_device *dev)
62 {
63 struct mlx5e_priv *priv = netdev_priv(dev);
64
65 if (!netif_device_present(dev))
66 return NULL;
67
68 return mlx5e_devlink_get_dl_port(priv);
69 }
70
