[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/of_gpio.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,
};

#define DSA_MAX_SWITCHES	4
#define DSA_MAX_PORTS		12

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 (with nr_chips elements) 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;

	/*
	 * A switch may have a GPIO line tied to its reset pin. Parse
	 * this from the device tree, and use it before performing
	 * switch soft reset.
	 */
	struct gpio_desc *reset;
};

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 {
	/*
	 * 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);
	enum dsa_tag_protocol	tag_protocol;

	/*
	 * 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];
};

struct dsa_switch {
	/*
	 * 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	*pd;

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

	/*
	 * Reference to host device to use.
	 */
	struct device		*master_dev;

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

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

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];
}

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->pd->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;
}
#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>
cc30c163	19	#include <linux/of_gpio.h>
ec9436ba	20	#include <linux/phy.h>
ce31b31c	21	#include <linux/phy_fixed.h>
a2820543	22	#include <linux/ethtool.h>
cf50dcc2	23
ac7a04c3 FF	24	enum dsa_tag_protocol {
	25	DSA_TAG_PROTO_NONE = 0,
	26	DSA_TAG_PROTO_DSA,
	27	DSA_TAG_PROTO_TRAILER,
	28	DSA_TAG_PROTO_EDSA,
	29	DSA_TAG_PROTO_BRCM,
	30	};
5037d532	31
e84665c9 LB	32	#define DSA_MAX_SWITCHES 4
	33	#define DSA_MAX_PORTS 12
	34
	35	struct dsa_chip_data {
	36	/*
	37	* How to access the switch configuration registers.
	38	*/
b4d2394d	39	struct device *host_dev;
e84665c9 LB	40	int sw_addr;
e84665c9 LB	41
6793abb4 GR	42	/* set to size of eeprom if supported by the switch */
	43	int eeprom_len;
	44
fa981d9a FF	45	/* Device tree node pointer for this specific switch chip
	46	* used during switch setup in case additional properties
	47	* and resources needs to be used
	48	*/
	49	struct device_node *of_node;
	50
e84665c9 LB	51	/*
	52	* The names of the switch's ports. Use "cpu" to
	53	* designate the switch port that the cpu is connected to,
	54	* "dsa" to indicate that this port is a DSA link to
	55	* another switch, NULL to indicate the port is unused,
	56	* or any other string to indicate this is a physical port.
	57	*/
	58	char *port_names[DSA_MAX_PORTS];
bd47497a	59	struct device_node *port_dn[DSA_MAX_PORTS];
e84665c9 LB	60
	61	/*
	62	* An array (with nr_chips elements) of which element [a]
	63	* indicates which port on this switch should be used to
	64	* send packets to that are destined for switch a. Can be
	65	* NULL if there is only one switch chip.
	66	*/
	67	s8 *rtable;
cc30c163 AL	68
	69	/*
	70	* A switch may have a GPIO line tied to its reset pin. Parse
	71	* this from the device tree, and use it before performing
	72	* switch soft reset.
	73	*/
	74	struct gpio_desc *reset;
e84665c9	75	};
91da11f8 LB	76
	77	struct dsa_platform_data {
	78	/*
	79	* Reference to a Linux network interface that connects
e84665c9	80	* to the root switch chip of the tree.
91da11f8 LB	81	*/
91da11f8 LB	82	struct device *netdev;
769a0202	83	struct net_device *of_netdev;
91da11f8 LB	84
91da11f8 LB	85	/*
e84665c9 LB	86	* Info structs describing each of the switch chips
e84665c9 LB	87	* connected via this network interface.
91da11f8	88	*/
e84665c9 LB	89	int nr_chips;
e84665c9 LB	90	struct dsa_chip_data *chip;
91da11f8 LB	91	};
91da11f8 LB	92
5075314e	93	struct packet_type;
3e8a72d1	94
cf50dcc2 BH	95	struct dsa_switch_tree {
	96	/*
	97	* Configuration data for the platform device that owns
	98	* this dsa switch tree instance.
	99	*/
	100	struct dsa_platform_data *pd;
	101
	102	/*
	103	* Reference to network device to use, and which tagging
	104	* protocol to use.
	105	*/
	106	struct net_device *master_netdev;
5075314e AD	107	int (rcv)(struct sk_buff skb,
	108	struct net_device *dev,
	109	struct packet_type *pt,
	110	struct net_device *orig_dev);
ac7a04c3	111	enum dsa_tag_protocol tag_protocol;
cf50dcc2 BH	112
	113	/*
	114	* The switch and port to which the CPU is attached.
	115	*/
	116	s8 cpu_switch;
	117	s8 cpu_port;
	118
cf50dcc2 BH	119	/*
	120	* Data for the individual switch chips.
	121	*/
	122	struct dsa_switch *ds[DSA_MAX_SWITCHES];
	123	};
	124
c8f0b869 BH	125	struct dsa_switch {
	126	/*
	127	* Parent switch tree, and switch index.
	128	*/
	129	struct dsa_switch_tree *dst;
	130	int index;
	131
7543a6d5 AL	132	/*
	133	* Give the switch driver somewhere to hang its private data
	134	* structure.
	135	*/
	136	void *priv;
	137
c8f0b869 BH	138	/*
	139	* Configuration data for this switch.
	140	*/
	141	struct dsa_chip_data *pd;
	142
	143	/*
	144	* The used switch driver.
	145	*/
	146	struct dsa_switch_driver *drv;
	147
	148	/*
b4d2394d	149	* Reference to host device to use.
c8f0b869	150	*/
b4d2394d	151	struct device *master_dev;
c8f0b869	152
51579c3f GR	153	#ifdef CONFIG_NET_DSA_HWMON
	154	/*
	155	* Hardware monitoring information
	156	*/
	157	char hwmon_name[IFNAMSIZ + 8];
	158	struct device *hwmon_dev;
	159	#endif
	160
c8f0b869 BH	161	/*
	162	* Slave mii_bus and devices for the individual ports.
	163	*/
	164	u32 dsa_port_mask;
74c3e2a5	165	u32 enabled_port_mask;
0d8bcdd3	166	u32 phys_mii_mask;
c8f0b869 BH	167	struct mii_bus *slave_mii_bus;
	168	struct net_device *ports[DSA_MAX_PORTS];
	169	};
	170
	171	static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p)
	172	{
	173	return !!(ds->index == ds->dst->cpu_switch && p == ds->dst->cpu_port);
	174	}
	175
60045cbf AL	176	static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p)
	177	{
	178	return !!((ds->dsa_port_mask) & (1 << p));
	179	}
	180
d79d2107 GR	181	static inline bool dsa_is_port_initialized(struct dsa_switch *ds, int p)
d79d2107 GR	182	{
74c3e2a5	183	return ds->enabled_port_mask & (1 << p) && ds->ports[p];
d79d2107 GR	184	}
d79d2107 GR	185
c8f0b869 BH	186	static inline u8 dsa_upstream_port(struct dsa_switch *ds)
	187	{
	188	struct dsa_switch_tree *dst = ds->dst;
	189
	190	/*
	191	* If this is the root switch (i.e. the switch that connects
	192	* to the CPU), return the cpu port number on this switch.
	193	* Else return the (DSA) port number that connects to the
	194	* switch that is one hop closer to the cpu.
	195	*/
	196	if (dst->cpu_switch == ds->index)
	197	return dst->cpu_port;
	198	else
	199	return ds->pd->rtable[dst->cpu_switch];
	200	}
	201
146a3206	202	struct switchdev_trans;
ea70ba98	203	struct switchdev_obj;
146a3206	204	struct switchdev_obj_port_fdb;
76e398a6	205	struct switchdev_obj_port_vlan;
146a3206	206
c8f0b869 BH	207	struct dsa_switch_driver {
	208	struct list_head list;
	209
ac7a04c3	210	enum dsa_tag_protocol tag_protocol;
c8f0b869 BH	211
	212	/*
	213	* Probing and setup.
	214	*/
0209d144 VD	215	const char (probe)(struct device *dsa_dev,
	216	struct device *host_dev, int sw_addr,
	217	void **priv);
c8f0b869 BH	218	int (setup)(struct dsa_switch ds);
c8f0b869 BH	219	int (set_addr)(struct dsa_switch ds, u8 *addr);
6819563e	220	u32 (get_phy_flags)(struct dsa_switch ds, int port);
c8f0b869 BH	221
	222	/*
	223	* Access to the switch's PHY registers.
	224	*/
	225	int (phy_read)(struct dsa_switch ds, int port, int regnum);
	226	int (phy_write)(struct dsa_switch ds, int port,
	227	int regnum, u16 val);
	228
ec9436ba FF	229	/*
	230	* Link state adjustment (called from libphy)
	231	*/
	232	void (adjust_link)(struct dsa_switch ds, int port,
	233	struct phy_device *phydev);
ce31b31c FF	234	void (fixed_link_update)(struct dsa_switch ds, int port,
ce31b31c FF	235	struct fixed_phy_status *st);
ec9436ba	236
c8f0b869 BH	237	/*
	238	* ethtool hardware statistics.
	239	*/
	240	void (get_strings)(struct dsa_switch ds, int port, uint8_t *data);
	241	void (get_ethtool_stats)(struct dsa_switch ds,
	242	int port, uint64_t *data);
	243	int (get_sset_count)(struct dsa_switch ds);
24462549	244
19e57c4e FF	245	/*
	246	* ethtool Wake-on-LAN
	247	*/
	248	void (get_wol)(struct dsa_switch ds, int port,
	249	struct ethtool_wolinfo *w);
	250	int (set_wol)(struct dsa_switch ds, int port,
	251	struct ethtool_wolinfo *w);
	252
24462549 FF	253	/*
	254	* Suspend and resume
	255	*/
	256	int (suspend)(struct dsa_switch ds);
	257	int (resume)(struct dsa_switch ds);
b2f2af21 FF	258
	259	/*
	260	* Port enable/disable
	261	*/
	262	int (port_enable)(struct dsa_switch ds, int port,
	263	struct phy_device *phy);
	264	void (port_disable)(struct dsa_switch ds, int port,
	265	struct phy_device *phy);
7905288f FF	266
	267	/*
	268	* EEE setttings
	269	*/
	270	int (set_eee)(struct dsa_switch ds, int port,
	271	struct phy_device *phydev,
	272	struct ethtool_eee *e);
	273	int (get_eee)(struct dsa_switch ds, int port,
	274	struct ethtool_eee *e);
51579c3f GR	275
	276	#ifdef CONFIG_NET_DSA_HWMON
	277	/* Hardware monitoring */
	278	int (get_temp)(struct dsa_switch ds, int *temp);
	279	int (get_temp_limit)(struct dsa_switch ds, int *temp);
	280	int (set_temp_limit)(struct dsa_switch ds, int temp);
	281	int (get_temp_alarm)(struct dsa_switch ds, bool *alarm);
	282	#endif
6793abb4 GR	283
	284	/* EEPROM access */
	285	int (get_eeprom_len)(struct dsa_switch ds);
	286	int (get_eeprom)(struct dsa_switch ds,
	287	struct ethtool_eeprom eeprom, u8 data);
	288	int (set_eeprom)(struct dsa_switch ds,
	289	struct ethtool_eeprom eeprom, u8 data);
3d762a0f GR	290
	291	/*
	292	* Register access.
	293	*/
	294	int (get_regs_len)(struct dsa_switch ds, int port);
	295	void (get_regs)(struct dsa_switch ds, int port,
	296	struct ethtool_regs regs, void p);
b73adef6 FF	297
	298	/*
	299	* Bridge integration
	300	*/
71327a4e	301	int (port_bridge_join)(struct dsa_switch ds, int port,
a6692754	302	struct net_device *bridge);
16bfa702	303	void (port_bridge_leave)(struct dsa_switch ds, int port);
43c44a9f VD	304	void (port_stp_state_set)(struct dsa_switch ds, int port,
43c44a9f VD	305	u8 state);
2a778e1b	306
11149536 VD	307	/*
	308	* VLAN support
	309	*/
fb2dabad VD	310	int (port_vlan_filtering)(struct dsa_switch ds, int port,
fb2dabad VD	311	bool vlan_filtering);
76e398a6 VD	312	int (port_vlan_prepare)(struct dsa_switch ds, int port,
	313	const struct switchdev_obj_port_vlan *vlan,
	314	struct switchdev_trans *trans);
4d5770b3	315	void (port_vlan_add)(struct dsa_switch ds, int port,
76e398a6 VD	316	const struct switchdev_obj_port_vlan *vlan,
	317	struct switchdev_trans *trans);
	318	int (port_vlan_del)(struct dsa_switch ds, int port,
	319	const struct switchdev_obj_port_vlan *vlan);
65aebfc0 VD	320	int (port_vlan_dump)(struct dsa_switch ds, int port,
	321	struct switchdev_obj_port_vlan *vlan,
	322	int (cb)(struct switchdev_obj obj));
11149536	323
2a778e1b VD	324	/*
	325	* Forwarding database
	326	*/
146a3206 VD	327	int (port_fdb_prepare)(struct dsa_switch ds, int port,
	328	const struct switchdev_obj_port_fdb *fdb,
	329	struct switchdev_trans *trans);
8497aa61	330	void (port_fdb_add)(struct dsa_switch ds, int port,
1f36faf2 VD	331	const struct switchdev_obj_port_fdb *fdb,
1f36faf2 VD	332	struct switchdev_trans *trans);
2a778e1b	333	int (port_fdb_del)(struct dsa_switch ds, int port,
8057b3e7	334	const struct switchdev_obj_port_fdb *fdb);
ea70ba98 VD	335	int (port_fdb_dump)(struct dsa_switch ds, int port,
	336	struct switchdev_obj_port_fdb *fdb,
	337	int (cb)(struct switchdev_obj obj));
c8f0b869 BH	338	};
	339
	340	void register_switch_driver(struct dsa_switch_driver *type);
	341	void unregister_switch_driver(struct dsa_switch_driver *type);
b4d2394d	342	struct mii_bus dsa_host_dev_to_mii_bus(struct device dev);
c8f0b869	343
7fa857ed FF	344	static inline void ds_to_priv(struct dsa_switch ds)
7fa857ed FF	345	{
7543a6d5	346	return ds->priv;
7fa857ed FF	347	}
7fa857ed FF	348
5aed85ce FF	349	static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst)
5aed85ce FF	350	{
5075314e	351	return dst->rcv != NULL;
5aed85ce	352	}
91da11f8	353	#endif