[linux-2.6-block.git] / net / dsa / dsa_priv.h

/*
 * 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
Commit	Line	Data
91da11f8 LB	1	/*
	2	* net/dsa/dsa_priv.h - Hardware switch handling
	3	* Copyright (c) 2008 Marvell Semiconductor
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation; either version 2 of the License, or
	8	* (at your option) any later version.
	9	*/
	10
	11	#ifndef __DSA_PRIV_H
	12	#define __DSA_PRIV_H
	13
	14	#include <linux/list.h>
	15	#include <linux/phy.h>
	16	#include <linux/timer.h>
	17	#include <linux/workqueue.h>
	18	#include <net/dsa.h>
	19
	20	struct dsa_switch {
	21	/*
	22	* Configuration data for the platform device that owns
	23	* this dsa switch instance.
	24	*/
	25	struct dsa_platform_data *pd;
	26
	27	/*
	28	* References to network device and mii bus to use.
	29	*/
	30	struct net_device *master_netdev;
	31	struct mii_bus *master_mii_bus;
	32
	33	/*
	34	* The used switch driver and frame tagging type.
	35	*/
	36	struct dsa_switch_driver *drv;
	37	__be16 tag_protocol;
	38
	39	/*
	40	* Slave mii_bus and devices for the individual ports.
	41	*/
	42	int cpu_port;
	43	u32 valid_port_mask;
	44	struct mii_bus *slave_mii_bus;
	45	struct net_device *ports[DSA_MAX_PORTS];
	46
	47	/*
	48	* Link state polling.
	49	*/
	50	struct work_struct link_poll_work;
	51	struct timer_list link_poll_timer;
	52	};
	53
	54	struct dsa_slave_priv {
	55	struct net_device *dev;
	56	struct dsa_switch *parent;
	57	int port;
	58	struct phy_device *phy;
	59	};
	60
	61	struct dsa_switch_driver {
	62	struct list_head list;
	63
	64	__be16 tag_protocol;
65	int priv_size;
66
67	/*
68	* Probing and setup.
69	*/
70	char (probe)(struct mii_bus *bus, int sw_addr);
71	int (setup)(struct dsa_switch ds);
72	int (set_addr)(struct dsa_switch ds, u8 *addr);
73
74	/*
75	* Access to the switch's PHY registers.
76	*/
77	int (phy_read)(struct dsa_switch ds, int port, int regnum);
78	int (phy_write)(struct dsa_switch ds, int port,
79	int regnum, u16 val);
80
81	/*
82	* Link state polling and IRQ handling.
83	*/
84	void (poll_link)(struct dsa_switch ds);
85
86	/*
87	* ethtool hardware statistics.
88	*/
89	void (get_strings)(struct dsa_switch ds, int port, uint8_t *data);
90	void (get_ethtool_stats)(struct dsa_switch ds,
91	int port, uint64_t *data);
92	int (get_sset_count)(struct dsa_switch ds);
93	};
94
95	/* dsa.c */
96	extern char dsa_driver_version[];
97	void register_switch_driver(struct dsa_switch_driver *type);
98	void unregister_switch_driver(struct dsa_switch_driver *type);
99
100	/* slave.c */
101	void dsa_slave_mii_bus_init(struct dsa_switch *ds);
102	struct net_device dsa_slave_create(struct dsa_switch ds,
103	struct device *parent,
104	int port, char *name);
105
cf85d08f LB	106	/* tag_dsa.c */
	107	int dsa_xmit(struct sk_buff skb, struct net_device dev);
	108
91da11f8 LB	109	/* tag_edsa.c */
	110	int edsa_xmit(struct sk_buff skb, struct net_device dev);
	111
396138f0 LB	112	/* tag_trailer.c */
	113	int trailer_xmit(struct sk_buff skb, struct net_device dev);
	114
91da11f8 LB	115
91da11f8 LB	116	#endif