root/net/dsa/dsa_priv.h

INCLUDED FROM

/*
 * net/dsa/dsa_priv.h - Hardware switch handling
 * Copyright (c) 2008 Marvell Semiconductor
 *
 * 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 __DSA_PRIV_H
#define __DSA_PRIV_H

#include <linux/list.h>
#include <linux/phy.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <net/dsa.h>

struct dsa_switch {
        /*
         * Configuration data for the platform device that owns
         * this dsa switch instance.
         */
        struct dsa_platform_data        *pd;

        /*
         * References to network device and mii bus to use.
         */
        struct net_device               *master_netdev;
        struct mii_bus                  *master_mii_bus;

        /*
         * The used switch driver and frame tagging type.
         */
        struct dsa_switch_driver        *drv;
        __be16                          tag_protocol;

        /*
         * Slave mii_bus and devices for the individual ports.
         */
        int                             cpu_port;
        u32                             valid_port_mask;
        struct mii_bus                  *slave_mii_bus;
        struct net_device               *ports[DSA_MAX_PORTS];

        /*
         * Link state polling.
         */
        struct work_struct              link_poll_work;
        struct timer_list               link_poll_timer;
};

struct dsa_slave_priv {
        struct net_device       *dev;
        struct dsa_switch       *parent;
        int                     port;
        struct phy_device       *phy;
};

struct dsa_switch_driver {
        struct list_head        list;

        __be16                  tag_protocol;
        int                     priv_size;

        /*
         * Probing and setup.
         */
        char    *(*probe)(struct mii_bus *bus, int sw_addr);
        int     (*setup)(struct dsa_switch *ds);
        int     (*set_addr)(struct dsa_switch *ds, u8 *addr);

        /*
         * Access to the switch's PHY registers.
         */
        int     (*phy_read)(struct dsa_switch *ds, int port, int regnum);
        int     (*phy_write)(struct dsa_switch *ds, int port,
                             int regnum, u16 val);

        /*
         * Link state polling and IRQ handling.
         */
        void    (*poll_link)(struct dsa_switch *ds);

        /*
         * ethtool hardware statistics.
         */
        void    (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data);
        void    (*get_ethtool_stats)(struct dsa_switch *ds,
                                     int port, uint64_t *data);
        int     (*get_sset_count)(struct dsa_switch *ds);
};

/* dsa.c */
extern char dsa_driver_version[];
void register_switch_driver(struct dsa_switch_driver *type);
void unregister_switch_driver(struct dsa_switch_driver *type);

/* slave.c */
void dsa_slave_mii_bus_init(struct dsa_switch *ds);
struct net_device *dsa_slave_create(struct dsa_switch *ds,
                                    struct device *parent,
                                    int port, char *name);

/* tag_dsa.c */
int dsa_xmit(struct sk_buff *skb, struct net_device *dev);

/* tag_edsa.c */
int edsa_xmit(struct sk_buff *skb, struct net_device *dev);

/* tag_trailer.c */
int trailer_xmit(struct sk_buff *skb, struct net_device *dev);


#endif