[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,
};

#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 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 {
	/*
	 * 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;

	/*
	 * Original copy of the master netdev ethtool_ops
	 */
	struct ethtool_ops	master_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];
};

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

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