linux-imx

/*

 * include/net/switchdev.h - Switch device API

 * Copyright (c) 2014-2015 Jiri Pirko <jiri@resnulli.us>

 * Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.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 _LINUX_SWITCHDEV_H_

#define _LINUX_SWITCHDEV_H_

​

#include <linux/netdevice.h>

#include <linux/notifier.h>

#include <linux/list.h>

#include <net/ip_fib.h>

​

#define SWITCHDEV_F_NO_RECURSE      BIT(0)

#define SWITCHDEV_F_SKIP_EOPNOTSUPP BIT(1)

#define SWITCHDEV_F_DEFER       BIT(2)

​

struct switchdev_trans {

    bool ph_prepare;

};

​

static inline bool switchdev_trans_ph_prepare(struct switchdev_trans *trans)

{

    return trans && trans->ph_prepare;

}

​

static inline bool switchdev_trans_ph_commit(struct switchdev_trans *trans)

{

    return trans && !trans->ph_prepare;

}

​

enum switchdev_attr_id {

    SWITCHDEV_ATTR_ID_UNDEFINED,

    SWITCHDEV_ATTR_ID_PORT_STP_STATE,

    SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,

    SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS,

    SWITCHDEV_ATTR_ID_PORT_MROUTER,

    SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,

    SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,

    SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED,

    SWITCHDEV_ATTR_ID_BRIDGE_MROUTER,

};

​

struct switchdev_attr {

    struct net_device *orig_dev;

    enum switchdev_attr_id id;

    u32 flags;

    void *complete_priv;

    void (*complete)(struct net_device *dev, int err, void *priv);

    union {

        u8 stp_state;               /* PORT_STP_STATE */

        unsigned long brport_flags;     /* PORT_{PRE}_BRIDGE_FLAGS */

        bool mrouter;               /* PORT_MROUTER */

        clock_t ageing_time;            /* BRIDGE_AGEING_TIME */

        bool vlan_filtering;            /* BRIDGE_VLAN_FILTERING */

        bool mc_disabled;           /* MC_DISABLED */

    } u;

};

​

enum switchdev_obj_id {

    SWITCHDEV_OBJ_ID_UNDEFINED,

    SWITCHDEV_OBJ_ID_PORT_VLAN,

    SWITCHDEV_OBJ_ID_PORT_MDB,

    SWITCHDEV_OBJ_ID_HOST_MDB,

};

​

struct switchdev_obj {

    struct net_device *orig_dev;

    enum switchdev_obj_id id;

    u32 flags;

    void *complete_priv;

    void (*complete)(struct net_device *dev, int err, void *priv);

};

​

/* SWITCHDEV_OBJ_ID_PORT_VLAN */

struct switchdev_obj_port_vlan {

    struct switchdev_obj obj;

    u16 flags;

    u16 vid_begin;

    u16 vid_end;

};

​

#define SWITCHDEV_OBJ_PORT_VLAN(OBJ) \

    container_of((OBJ), struct switchdev_obj_port_vlan, obj)

​

/* SWITCHDEV_OBJ_ID_PORT_MDB */

struct switchdev_obj_port_mdb {