path: root/include/net/devlink.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * include/net/devlink.h - Network physical device Netlink interface
 * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
 * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
 */
#ifndef _NET_DEVLINK_H_
#define _NET_DEVLINK_H_

#include <linux/device.h>
#include <linux/slab.h>
#include <linux/gfp.h>
#include <linux/list.h>
#include <linux/netdevice.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
#include <linux/refcount.h>
#include <net/net_namespace.h>
#include <net/flow_offload.h>
#include <uapi/linux/devlink.h>
#include <linux/xarray.h>

struct devlink_ops;

struct devlink {
	struct list_head list;
	struct list_head port_list;
	struct list_head sb_list;
	struct list_head dpipe_table_list;
	struct list_head resource_list;
	struct list_head param_list;
	struct list_head region_list;
	struct list_head reporter_list;
	struct mutex reporters_lock; /* protects reporter_list */
	struct devlink_dpipe_headers *dpipe_headers;
	struct list_head trap_list;
	struct list_head trap_group_list;
	struct list_head trap_policer_list;
	const struct devlink_ops *ops;
	struct xarray snapshot_ids;
	struct device *dev;
	possible_net_t _net;
	struct mutex lock;
	u8 reload_failed:1,
	   reload_enabled:1,
	   registered:1;
	char priv[0] __aligned(NETDEV_ALIGN);
};

struct devlink_port_phys_attrs {
	u32 port_number; /* Same value as "split group".
			  * A physical port which is visible to the user
			  * for a given port flavour.
			  */
	u32 split_subport_number;
};

struct devlink_port_pci_pf_attrs {
	u16 pf;	/* Associated PCI PF for this port. */
};

struct devlink_port_pci_vf_attrs {
	u16 pf;	/* Associated PCI PF for this port. */
	u16 vf;	/* Associated PCI VF for of the PCI PF for this port. */
};

struct devlink_port_attrs {
	u8 set:1,
	   split:1,
	   switch_port:1;
	enum devlink_port_flavour flavour;
	struct netdev_phys_item_id switch_id;
	union {
		struct devlink_port_phys_attrs phys;
		struct devlink_port_pci_pf_attrs pci_pf;
		struct devlink_port_pci_vf_attrs pci_vf;
	};
};

struct devlink_po