[deliverable/linux.git] / include / net / dsa.h

/*
 * include/net/dsa.h - Driver for Distributed Switch Architecture switch chips
 * Copyright (c) 2008-2009 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 __LINUX_NET_DSA_H
#define __LINUX_NET_DSA_H

#include <linux/if_ether.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/of.h>
#include <linux/phy.h>
#include <linux/phy_fixed.h>
#include <linux/ethtool.h>

enum dsa_tag_protocol {
	DSA_TAG_PROTO_NONE = 0,
	DSA_TAG_PROTO_DSA,
	DSA_TAG_PROTO_TRAILER,
	DSA_TAG_PROTO_EDSA,
	DSA_TAG_PROTO_BRCM,
	DSA_TAG_LAST,		/* MUST BE LAST */
};

#define DSA_MAX_SWITCHES	4
#define DSA_MAX_PORTS		12

#define DSA_RTABLE_NONE		-1

struct dsa_chip_data {
	/*
	 * How to access the switch configuration registers.
	 */
	struct device	*host_dev;
	int		sw_addr;

	/* set to size of eeprom if supported by the switch */
	int		eeprom_len;

	/* Device tree node pointer for this specific switch chip
	 * used during switch setup in case additional properties
	 * and resources needs to be used
	 */
	struct device_node *of_node;

	/*
	 * The names of the switch's ports.  Use "cpu" to
	 * designate the switch port that the cpu is connected to,
	 * "dsa" to indicate that this port is a DSA link to
	 * another switch, NULL to indicate the port is unused,
	 * or any other string to indicate this is a physical port.
	 */
	char		*port_names[DSA_MAX_PORTS];
	struct device_node *port_dn[DSA_MAX_PORTS];

	/*
	 * An array of which element [a] indicates which port on this
	 * switch should be used to send packets to that are destined
	 * for switch a. Can be NULL if there is only one switch chip.
	 */
	s8		rtable[DSA_MAX_SWITCHES];
};

struct dsa_platform_data {
	/*
	 * Reference to a Linux network interface that connects
	 * to the root switch chip of the tree.
	 */
	struct device	*netdev;
	struct net_device *of_netdev;

	/*
	 * Info structs describing each of the switch chips
	 * connected via this network interface.
	 */
	int		nr_chips;
	struct dsa_chip_data	*chip;
};

struct packet_type;

struct dsa_switch_tree {
	struct list_head	list;

	/* Tree identifier */
	u32 tree;

	/* Number of switches attached to this tree */
	struct kref refcount;

	/* Has this tree been applied to the hardware? */
	bool applied;

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

	/*
	 * Reference to network device to use, and which tagging
	 * protocol to use.
	 */
	struct net_device	*master_netdev;
	int			(*rcv)(struct sk_buff *skb,
				       struct net_device *dev,
				       struct packet_type *pt,
				       struct net_device *orig_dev);

	/*
	 * Original copy of the master netdev ethtool_ops
	 */
	struct ethtool_ops	master_ethtool_ops;
	const struct ethtool_ops *master_orig_ethtool_ops;

	/*
	 * The switch and port to which the CPU is attached.
	 */
	s8			cpu_switch;
	s8			cpu_port;

	/*
	 * Data for the individual switch chips.
	 */
	struct dsa_switch	*ds[DSA_MAX_SWITCHES];

	/*
	 * Tagging protocol operations for adding and removing an
	 * encapsulation tag.
	 */
	const struct dsa_device_ops *tag_ops;
};

struct dsa_port {
	struct net_device	*netdev;
	struct device_node	*dn;
};

struct dsa_switch {
	struct device *dev;

	/*
	 * Parent switch tree, and switch index.
	 */
	struct dsa_switch_tree	*dst;
	int			index;

	/*
	 * Give the switch driver somewhere to hang its private data
	 * structure.
	 */
	void *priv;

	/*
	 * Configuration data for this switch.
	 */
	struct dsa_chip_data	*cd;

	/*
	 * The used switch driver.
	 */
	struct dsa_switch_driver	*drv;

	/*
	 * An array of which element [a] indicates which port on this
	 * switch should be used to send packets to that are destined
	 * for switch a. Can be NULL if there is only one switch chip.
	 */
	s8		rtable[DSA_MAX_SWITCHES];

#ifdef CONFIG_NET_DSA_HWMON
	/*
	 * Hardware monitoring information
	 */
	char			hwmon_name[IFNAMSIZ + 8];
	struct device		*hwmon_dev;
#endif

	/*
	 * The lower device this switch uses to talk to the host
	 */
	struct net_device *master_netdev;

	/*
	 * Slave mii_bus and devices for the individual ports.
	 */
	u32			dsa_port_mask;
	u32			cpu_port_mask;
	u32			enabled_port_mask;
	u32			phys_mii_mask;
	struct dsa_port		ports[DSA_MAX_PORTS];
	struct mii_bus		*slave_mii_bus;
};

static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p)
{
	return !!(ds->index == ds->dst->cpu_switch && p == ds->dst->cpu_port);
}

static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p)
{
	return !!((ds->dsa_port_mask) & (1 << p));
}

static inline bool dsa_is_port_initialized(struct dsa_switch *ds, int p)
{
	return ds->enabled_port_mask & (1 << p) && ds->ports[p].netdev;
}

static inline u8 dsa_upstream_port(struct dsa_switch *ds)
{
	struct dsa_switch_tree *dst = ds->dst;

	/*
	 * If this is the root switch (i.e. the switch that connects
	 * to the CPU), return the cpu port number on this switch.
	 * Else return the (DSA) port number that connects to the
	 * switch that is one hop closer to the cpu.
	 */
	if (dst->cpu_switch == ds->index)
		return dst->cpu_port;
	else
		return ds->rtable[dst->cpu_switch];
}

struct switchdev_trans;
struct switchdev_obj;
struct switchdev_obj_port_fdb;
struct switchdev_obj_port_vlan;

struct dsa_switch_driver {
	struct list_head	list;

	enum dsa_tag_protocol	tag_protocol;

	/*
	 * Probing and setup.
	 */
	const char	*(*probe)(struct device *dsa_dev,
				  struct device *host_dev, int sw_addr,
				  void **priv);
	int	(*setup)(struct dsa_switch *ds);
	int	(*set_addr)(struct dsa_switch *ds, u8 *addr);
	u32	(*get_phy_flags)(struct dsa_switch *ds, int port);

	/*
	 * 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 adjustment (called from libphy)
	 */
	void	(*adjust_link)(struct dsa_switch *ds, int port,
				struct phy_device *phydev);
	void	(*fixed_link_update)(struct dsa_switch *ds, int port,
				struct fixed_phy_status *st);

	/*
	 * 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);

	/*
	 * ethtool Wake-on-LAN
	 */
	void	(*get_wol)(struct dsa_switch *ds, int port,
			   struct ethtool_wolinfo *w);
	int	(*set_wol)(struct dsa_switch *ds, int port,
			   struct ethtool_wolinfo *w);

	/*
	 * Suspend and resume
	 */
	int	(*suspend)(struct dsa_switch *ds);
	int	(*resume)(struct dsa_switch *ds);

	/*
	 * Port enable/disable
	 */
	int	(*port_enable)(struct dsa_switch *ds, int port,
			       struct phy_device *phy);
	void	(*port_disable)(struct dsa_switch *ds, int port,
				struct phy_device *phy);

	/*
	 * EEE setttings
	 */
	int	(*set_eee)(struct dsa_switch *ds, int port,
			   struct phy_device *phydev,
			   struct ethtool_eee *e);
	int	(*get_eee)(struct dsa_switch *ds, int port,
			   struct ethtool_eee *e);

#ifdef CONFIG_NET_DSA_HWMON
	/* Hardware monitoring */
	int	(*get_temp)(struct dsa_switch *ds, int *temp);
	int	(*get_temp_limit)(struct dsa_switch *ds, int *temp);
	int	(*set_temp_limit)(struct dsa_switch *ds, int temp);
	int	(*get_temp_alarm)(struct dsa_switch *ds, bool *alarm);
#endif

	/* EEPROM access */
	int	(*get_eeprom_len)(struct dsa_switch *ds);
	int	(*get_eeprom)(struct dsa_switch *ds,
			      struct ethtool_eeprom *eeprom, u8 *data);
	int	(*set_eeprom)(struct dsa_switch *ds,
			      struct ethtool_eeprom *eeprom, u8 *data);

	/*
	 * Register access.
	 */
	int	(*get_regs_len)(struct dsa_switch *ds, int port);
	void	(*get_regs)(struct dsa_switch *ds, int port,
			    struct ethtool_regs *regs, void *p);

	/*
	 * Bridge integration
	 */
	int	(*port_bridge_join)(struct dsa_switch *ds, int port,
				    struct net_device *bridge);
	void	(*port_bridge_leave)(struct dsa_switch *ds, int port);
	void	(*port_stp_state_set)(struct dsa_switch *ds, int port,
				      u8 state);

	/*
	 * VLAN support
	 */
	int	(*port_vlan_filtering)(struct dsa_switch *ds, int port,
				       bool vlan_filtering);
	int	(*port_vlan_prepare)(struct dsa_switch *ds, int port,
				     const struct switchdev_obj_port_vlan *vlan,
				     struct switchdev_trans *trans);
	void	(*port_vlan_add)(struct dsa_switch *ds, int port,
				 const struct switchdev_obj_port_vlan *vlan,
				 struct switchdev_trans *trans);
	int	(*port_vlan_del)(struct dsa_switch *ds, int port,
				 const struct switchdev_obj_port_vlan *vlan);
	int	(*port_vlan_dump)(struct dsa_switch *ds, int port,
				  struct switchdev_obj_port_vlan *vlan,
				  int (*cb)(struct switchdev_obj *obj));

	/*
	 * Forwarding database
	 */
	int	(*port_fdb_prepare)(struct dsa_switch *ds, int port,
				    const struct switchdev_obj_port_fdb *fdb,
				    struct switchdev_trans *trans);
	void	(*port_fdb_add)(struct dsa_switch *ds, int port,
				const struct switchdev_obj_port_fdb *fdb,
				struct switchdev_trans *trans);
	int	(*port_fdb_del)(struct dsa_switch *ds, int port,
				const struct switchdev_obj_port_fdb *fdb);
	int	(*port_fdb_dump)(struct dsa_switch *ds, int port,
				 struct switchdev_obj_port_fdb *fdb,
				 int (*cb)(struct switchdev_obj *obj));
};

void register_switch_driver(struct dsa_switch_driver *type);
void unregister_switch_driver(struct dsa_switch_driver *type);
struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev);

static inline void *ds_to_priv(struct dsa_switch *ds)
{
	return ds->priv;
}

static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst)
{
	return dst->rcv != NULL;
}

void dsa_unregister_switch(struct dsa_switch *ds);
int dsa_register_switch(struct dsa_switch *ds, struct device_node *np);
#endif
Commit	Line	Data
91da11f8 LB	1	/*
91da11f8 LB	2	* include/net/dsa.h - Driver for Distributed Switch Architecture switch chips
e84665c9	3	* Copyright (c) 2008-2009 Marvell Semiconductor
91da11f8 LB	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 __LINUX_NET_DSA_H
	12	#define __LINUX_NET_DSA_H
	13
ea1f51be	14	#include <linux/if_ether.h>
c8f0b869	15	#include <linux/list.h>
cf50dcc2 BH	16	#include <linux/timer.h>
cf50dcc2 BH	17	#include <linux/workqueue.h>
fa981d9a	18	#include <linux/of.h>
ec9436ba	19	#include <linux/phy.h>
ce31b31c	20	#include <linux/phy_fixed.h>
a2820543	21	#include <linux/ethtool.h>
cf50dcc2	22
ac7a04c3 FF	23	enum dsa_tag_protocol {
	24	DSA_TAG_PROTO_NONE = 0,
	25	DSA_TAG_PROTO_DSA,
	26	DSA_TAG_PROTO_TRAILER,
	27	DSA_TAG_PROTO_EDSA,
	28	DSA_TAG_PROTO_BRCM,
39a7f2a4	29	DSA_TAG_LAST, /* MUST BE LAST */
ac7a04c3	30	};
5037d532	31
e84665c9 LB	32	#define DSA_MAX_SWITCHES 4
	33	#define DSA_MAX_PORTS 12
	34
d390238c VD	35	#define DSA_RTABLE_NONE -1
d390238c VD	36
e84665c9 LB	37	struct dsa_chip_data {
	38	/*
	39	* How to access the switch configuration registers.
	40	*/
b4d2394d	41	struct device *host_dev;
e84665c9 LB	42	int sw_addr;
e84665c9 LB	43
6793abb4 GR	44	/* set to size of eeprom if supported by the switch */
	45	int eeprom_len;
	46
fa981d9a FF	47	/* Device tree node pointer for this specific switch chip
	48	* used during switch setup in case additional properties
	49	* and resources needs to be used
	50	*/
	51	struct device_node *of_node;
	52
e84665c9 LB	53	/*
	54	* The names of the switch's ports. Use "cpu" to
	55	* designate the switch port that the cpu is connected to,
	56	* "dsa" to indicate that this port is a DSA link to
	57	* another switch, NULL to indicate the port is unused,
	58	* or any other string to indicate this is a physical port.
	59	*/
	60	char *port_names[DSA_MAX_PORTS];
bd47497a	61	struct device_node *port_dn[DSA_MAX_PORTS];
e84665c9 LB	62
e84665c9 LB	63	/*
4a7704ff AL	64	* An array of which element [a] indicates which port on this
	65	* switch should be used to send packets to that are destined
	66	* for switch a. Can be NULL if there is only one switch chip.
e84665c9	67	*/
4a7704ff	68	s8 rtable[DSA_MAX_SWITCHES];
e84665c9	69	};
91da11f8 LB	70
	71	struct dsa_platform_data {
	72	/*
	73	* Reference to a Linux network interface that connects
e84665c9	74	* to the root switch chip of the tree.
91da11f8 LB	75	*/
91da11f8 LB	76	struct device *netdev;
769a0202	77	struct net_device *of_netdev;
91da11f8 LB	78
91da11f8 LB	79	/*
e84665c9 LB	80	* Info structs describing each of the switch chips
e84665c9 LB	81	* connected via this network interface.
91da11f8	82	*/
e84665c9 LB	83	int nr_chips;
e84665c9 LB	84	struct dsa_chip_data *chip;
91da11f8 LB	85	};
91da11f8 LB	86
5075314e	87	struct packet_type;
3e8a72d1	88
cf50dcc2	89	struct dsa_switch_tree {
83c0afae AL	90	struct list_head list;
	91
	92	/* Tree identifier */
	93	u32 tree;
	94
	95	/* Number of switches attached to this tree */
	96	struct kref refcount;
	97
	98	/* Has this tree been applied to the hardware? */
	99	bool applied;
	100
cf50dcc2 BH	101	/*
	102	* Configuration data for the platform device that owns
	103	* this dsa switch tree instance.
	104	*/
	105	struct dsa_platform_data *pd;
	106
	107	/*
	108	* Reference to network device to use, and which tagging
	109	* protocol to use.
	110	*/
	111	struct net_device *master_netdev;
5075314e AD	112	int (rcv)(struct sk_buff skb,
	113	struct net_device *dev,
	114	struct packet_type *pt,
	115	struct net_device *orig_dev);
cf50dcc2	116
badf3ada FF	117	/*
	118	* Original copy of the master netdev ethtool_ops
	119	*/
	120	struct ethtool_ops master_ethtool_ops;
0c73c523	121	const struct ethtool_ops *master_orig_ethtool_ops;
badf3ada	122
cf50dcc2 BH	123	/*
	124	* The switch and port to which the CPU is attached.
	125	*/
	126	s8 cpu_switch;
	127	s8 cpu_port;
	128
cf50dcc2 BH	129	/*
	130	* Data for the individual switch chips.
	131	*/
	132	struct dsa_switch *ds[DSA_MAX_SWITCHES];
39a7f2a4 AL	133
	134	/*
	135	* Tagging protocol operations for adding and removing an
	136	* encapsulation tag.
	137	*/
	138	const struct dsa_device_ops *tag_ops;
cf50dcc2 BH	139	};
cf50dcc2 BH	140
c8b09808 AL	141	struct dsa_port {
c8b09808 AL	142	struct net_device *netdev;
189b0d93	143	struct device_node *dn;
c8b09808 AL	144	};
c8b09808 AL	145
c8f0b869	146	struct dsa_switch {
c33063d6 AL	147	struct device *dev;
c33063d6 AL	148
c8f0b869 BH	149	/*
	150	* Parent switch tree, and switch index.
	151	*/
	152	struct dsa_switch_tree *dst;
	153	int index;
	154
7543a6d5 AL	155	/*
	156	* Give the switch driver somewhere to hang its private data
	157	* structure.
	158	*/
	159	void *priv;
	160
c8f0b869 BH	161	/*
	162	* Configuration data for this switch.
	163	*/
ff04955c	164	struct dsa_chip_data *cd;
c8f0b869 BH	165
	166	/*
	167	* The used switch driver.
	168	*/
	169	struct dsa_switch_driver *drv;
	170
66472fc0 AL	171	/*
	172	* An array of which element [a] indicates which port on this
	173	* switch should be used to send packets to that are destined
	174	* for switch a. Can be NULL if there is only one switch chip.
	175	*/
	176	s8 rtable[DSA_MAX_SWITCHES];
	177
51579c3f GR	178	#ifdef CONFIG_NET_DSA_HWMON
	179	/*
	180	* Hardware monitoring information
	181	*/
	182	char hwmon_name[IFNAMSIZ + 8];
	183	struct device *hwmon_dev;
	184	#endif
	185
83c0afae AL	186	/*
	187	* The lower device this switch uses to talk to the host
	188	*/
	189	struct net_device *master_netdev;
	190
c8f0b869 BH	191	/*
	192	* Slave mii_bus and devices for the individual ports.
	193	*/
	194	u32 dsa_port_mask;
83c0afae	195	u32 cpu_port_mask;
74c3e2a5	196	u32 enabled_port_mask;
0d8bcdd3	197	u32 phys_mii_mask;
c8b09808	198	struct dsa_port ports[DSA_MAX_PORTS];
c8f0b869	199	struct mii_bus *slave_mii_bus;
c8f0b869 BH	200	};
	201
	202	static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p)
	203	{
	204	return !!(ds->index == ds->dst->cpu_switch && p == ds->dst->cpu_port);
	205	}
	206
60045cbf AL	207	static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p)
	208	{
	209	return !!((ds->dsa_port_mask) & (1 << p));
	210	}
	211
d79d2107 GR	212	static inline bool dsa_is_port_initialized(struct dsa_switch *ds, int p)
d79d2107 GR	213	{
c8b09808	214	return ds->enabled_port_mask & (1 << p) && ds->ports[p].netdev;
d79d2107 GR	215	}
d79d2107 GR	216
c8f0b869 BH	217	static inline u8 dsa_upstream_port(struct dsa_switch *ds)
	218	{
	219	struct dsa_switch_tree *dst = ds->dst;
	220
	221	/*
	222	* If this is the root switch (i.e. the switch that connects
	223	* to the CPU), return the cpu port number on this switch.
	224	* Else return the (DSA) port number that connects to the
	225	* switch that is one hop closer to the cpu.
	226	*/
	227	if (dst->cpu_switch == ds->index)
	228	return dst->cpu_port;
	229	else
66472fc0	230	return ds->rtable[dst->cpu_switch];
c8f0b869 BH	231	}
c8f0b869 BH	232
146a3206	233	struct switchdev_trans;
ea70ba98	234	struct switchdev_obj;
146a3206	235	struct switchdev_obj_port_fdb;
76e398a6	236	struct switchdev_obj_port_vlan;
146a3206	237
c8f0b869 BH	238	struct dsa_switch_driver {
	239	struct list_head list;
	240
ac7a04c3	241	enum dsa_tag_protocol tag_protocol;
c8f0b869 BH	242
	243	/*
	244	* Probing and setup.
	245	*/
0209d144 VD	246	const char (probe)(struct device *dsa_dev,
	247	struct device *host_dev, int sw_addr,
	248	void **priv);
c8f0b869 BH	249	int (setup)(struct dsa_switch ds);
c8f0b869 BH	250	int (set_addr)(struct dsa_switch ds, u8 *addr);
6819563e	251	u32 (get_phy_flags)(struct dsa_switch ds, int port);
c8f0b869 BH	252
	253	/*
	254	* Access to the switch's PHY registers.
	255	*/
	256	int (phy_read)(struct dsa_switch ds, int port, int regnum);
	257	int (phy_write)(struct dsa_switch ds, int port,
	258	int regnum, u16 val);
	259
ec9436ba FF	260	/*
	261	* Link state adjustment (called from libphy)
	262	*/
	263	void (adjust_link)(struct dsa_switch ds, int port,
	264	struct phy_device *phydev);
ce31b31c FF	265	void (fixed_link_update)(struct dsa_switch ds, int port,
ce31b31c FF	266	struct fixed_phy_status *st);
ec9436ba	267
c8f0b869 BH	268	/*
	269	* ethtool hardware statistics.
	270	*/
	271	void (get_strings)(struct dsa_switch ds, int port, uint8_t *data);
	272	void (get_ethtool_stats)(struct dsa_switch ds,
	273	int port, uint64_t *data);
	274	int (get_sset_count)(struct dsa_switch ds);
24462549	275
19e57c4e FF	276	/*
	277	* ethtool Wake-on-LAN
	278	*/
	279	void (get_wol)(struct dsa_switch ds, int port,
	280	struct ethtool_wolinfo *w);
	281	int (set_wol)(struct dsa_switch ds, int port,
	282	struct ethtool_wolinfo *w);
	283
24462549 FF	284	/*
	285	* Suspend and resume
	286	*/
	287	int (suspend)(struct dsa_switch ds);
	288	int (resume)(struct dsa_switch ds);
b2f2af21 FF	289
	290	/*
	291	* Port enable/disable
	292	*/
	293	int (port_enable)(struct dsa_switch ds, int port,
	294	struct phy_device *phy);
	295	void (port_disable)(struct dsa_switch ds, int port,
	296	struct phy_device *phy);
7905288f FF	297
	298	/*
	299	* EEE setttings
	300	*/
	301	int (set_eee)(struct dsa_switch ds, int port,
	302	struct phy_device *phydev,
	303	struct ethtool_eee *e);
	304	int (get_eee)(struct dsa_switch ds, int port,
	305	struct ethtool_eee *e);
51579c3f GR	306
	307	#ifdef CONFIG_NET_DSA_HWMON
	308	/* Hardware monitoring */
	309	int (get_temp)(struct dsa_switch ds, int *temp);
	310	int (get_temp_limit)(struct dsa_switch ds, int *temp);
	311	int (set_temp_limit)(struct dsa_switch ds, int temp);
	312	int (get_temp_alarm)(struct dsa_switch ds, bool *alarm);
	313	#endif
6793abb4 GR	314
	315	/* EEPROM access */
	316	int (get_eeprom_len)(struct dsa_switch ds);
	317	int (get_eeprom)(struct dsa_switch ds,
	318	struct ethtool_eeprom eeprom, u8 data);
	319	int (set_eeprom)(struct dsa_switch ds,
	320	struct ethtool_eeprom eeprom, u8 data);
3d762a0f GR	321
	322	/*
	323	* Register access.
	324	*/
	325	int (get_regs_len)(struct dsa_switch ds, int port);
	326	void (get_regs)(struct dsa_switch ds, int port,
	327	struct ethtool_regs regs, void p);
b73adef6 FF	328
	329	/*
	330	* Bridge integration
	331	*/
71327a4e	332	int (port_bridge_join)(struct dsa_switch ds, int port,
a6692754	333	struct net_device *bridge);
16bfa702	334	void (port_bridge_leave)(struct dsa_switch ds, int port);
43c44a9f VD	335	void (port_stp_state_set)(struct dsa_switch ds, int port,
43c44a9f VD	336	u8 state);
2a778e1b	337
11149536 VD	338	/*
	339	* VLAN support
	340	*/
fb2dabad VD	341	int (port_vlan_filtering)(struct dsa_switch ds, int port,
fb2dabad VD	342	bool vlan_filtering);
76e398a6 VD	343	int (port_vlan_prepare)(struct dsa_switch ds, int port,
	344	const struct switchdev_obj_port_vlan *vlan,
	345	struct switchdev_trans *trans);
4d5770b3	346	void (port_vlan_add)(struct dsa_switch ds, int port,
76e398a6 VD	347	const struct switchdev_obj_port_vlan *vlan,
	348	struct switchdev_trans *trans);
	349	int (port_vlan_del)(struct dsa_switch ds, int port,
	350	const struct switchdev_obj_port_vlan *vlan);
65aebfc0 VD	351	int (port_vlan_dump)(struct dsa_switch ds, int port,
	352	struct switchdev_obj_port_vlan *vlan,
	353	int (cb)(struct switchdev_obj obj));
11149536	354
2a778e1b VD	355	/*
	356	* Forwarding database
	357	*/
146a3206 VD	358	int (port_fdb_prepare)(struct dsa_switch ds, int port,
	359	const struct switchdev_obj_port_fdb *fdb,
	360	struct switchdev_trans *trans);
8497aa61	361	void (port_fdb_add)(struct dsa_switch ds, int port,
1f36faf2 VD	362	const struct switchdev_obj_port_fdb *fdb,
1f36faf2 VD	363	struct switchdev_trans *trans);
2a778e1b	364	int (port_fdb_del)(struct dsa_switch ds, int port,
8057b3e7	365	const struct switchdev_obj_port_fdb *fdb);
ea70ba98 VD	366	int (port_fdb_dump)(struct dsa_switch ds, int port,
	367	struct switchdev_obj_port_fdb *fdb,
	368	int (cb)(struct switchdev_obj obj));
c8f0b869 BH	369	};
	370
	371	void register_switch_driver(struct dsa_switch_driver *type);
	372	void unregister_switch_driver(struct dsa_switch_driver *type);
b4d2394d	373	struct mii_bus dsa_host_dev_to_mii_bus(struct device dev);
c8f0b869	374
7fa857ed FF	375	static inline void ds_to_priv(struct dsa_switch ds)
7fa857ed FF	376	{
7543a6d5	377	return ds->priv;
7fa857ed FF	378	}
7fa857ed FF	379
5aed85ce FF	380	static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst)
5aed85ce FF	381	{
5075314e	382	return dst->rcv != NULL;
5aed85ce	383	}
83c0afae AL	384
	385	void dsa_unregister_switch(struct dsa_switch *ds);
	386	int dsa_register_switch(struct dsa_switch ds, struct device_node np);
91da11f8	387	#endif