linux-imx

/*

 * 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>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 */

#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 <net/net_namespace.h>

#include <uapi/linux/devlink.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;

    u32 snapshot_id;

    struct list_head reporter_list;

    struct devlink_dpipe_headers *dpipe_headers;

    const struct devlink_ops *ops;

    struct device *dev;

    possible_net_t _net;

    struct mutex lock;

    char priv[0] __aligned(NETDEV_ALIGN);

};

​

struct devlink_port_attrs {

    bool set;

    enum devlink_port_flavour flavour;

    u32 port_number; /* same value as "split group" */

    bool split;

    u32 split_subport_number;

};

​

struct devlink_port {

    struct list_head list;

    struct list_head param_list;

    struct devlink *devlink;

    unsigned index;

    bool registered;

    enum devlink_port_type type;

    enum devlink_port_type desired_type;

    void *type_dev;

    struct devlink_port_attrs attrs;

};

​

struct devlink_sb_pool_info {

    enum devlink_sb_pool_type pool_type;

    u32 size;

    enum devlink_sb_threshold_type threshold_type;

    u32 cell_size;

};

​

/**

 * struct devlink_dpipe_field - dpipe field object

 * @name: field name

 * @id: index inside the headers field array

 * @bitwidth: bitwidth

 * @mapping_type: mapping type

 */

struct devlink_dpipe_field {

    const char *name;

    unsigned int id;

    unsigned int bitwidth;

    enum devlink_dpipe_field_mapping_type mapping_type;

};

​

/**

 * struct devlink_dpipe_header - dpipe header object

 * @name: header name

 * @id: index, global/local detrmined by global bit

 * @fields: fields

 * @fields_count: number of fields

 * @global: indicates if header is shared like most protocol header

 *      or driver specific

 */

struct devlink_dpipe_header {