[mirror_ubuntu-bionic-kernel.git] / net / dsa / dsa_priv.h

/*
 * net/dsa/dsa_priv.h - Hardware switch handling
 * 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 __DSA_PRIV_H
#define __DSA_PRIV_H

#include <linux/phy.h>
#include <linux/netdevice.h>
#include <linux/netpoll.h>
#include <net/dsa.h>

enum {
	DSA_NOTIFIER_AGEING_TIME,
	DSA_NOTIFIER_BRIDGE_JOIN,
	DSA_NOTIFIER_BRIDGE_LEAVE,
	DSA_NOTIFIER_FDB_ADD,
	DSA_NOTIFIER_FDB_DEL,
	DSA_NOTIFIER_MDB_ADD,
	DSA_NOTIFIER_MDB_DEL,
	DSA_NOTIFIER_VLAN_ADD,
	DSA_NOTIFIER_VLAN_DEL,
};

/* DSA_NOTIFIER_AGEING_TIME */
struct dsa_notifier_ageing_time_info {
	struct switchdev_trans *trans;
	unsigned int ageing_time;
};

/* DSA_NOTIFIER_BRIDGE_* */
struct dsa_notifier_bridge_info {
	struct net_device *br;
	int sw_index;
	int port;
};

/* DSA_NOTIFIER_FDB_* */
struct dsa_notifier_fdb_info {
	int sw_index;
	int port;
	const unsigned char *addr;
	u16 vid;
};

/* DSA_NOTIFIER_MDB_* */
struct dsa_notifier_mdb_info {
	const struct switchdev_obj_port_mdb *mdb;
	struct switchdev_trans *trans;
	int sw_index;
	int port;
};

/* DSA_NOTIFIER_VLAN_* */
struct dsa_notifier_vlan_info {
	const struct switchdev_obj_port_vlan *vlan;
	struct switchdev_trans *trans;
	int sw_index;
	int port;
};

struct dsa_slave_priv {
	/* Copy of CPU port xmit for faster access in slave transmit hot path */
	struct sk_buff *	(*xmit)(struct sk_buff *skb,
					struct net_device *dev);

	struct pcpu_sw_netstats	*stats64;

	/* DSA port data, such as switch, port index, etc. */
	struct dsa_port		*dp;

	/*
	 * The phylib phy_device pointer for the PHY connected
	 * to this port.
	 */
	phy_interface_t		phy_interface;
	int			old_link;
	int			old_pause;
	int			old_duplex;

#ifdef CONFIG_NET_POLL_CONTROLLER
	struct netpoll		*netpoll;
#endif

	/* TC context */
	struct list_head	mall_tc_list;
};

/* dsa.c */
const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol);
bool dsa_schedule_work(struct work_struct *work);

/* legacy.c */
int dsa_legacy_register(void);
void dsa_legacy_unregister(void);
int dsa_legacy_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
		       struct net_device *dev,
		       const unsigned char *addr, u16 vid,
		       u16 flags);
int dsa_legacy_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
		       struct net_device *dev,
		       const unsigned char *addr, u16 vid);

/* master.c */
int dsa_master_setup(struct net_device *dev, struct dsa_port *cpu_dp);
void dsa_master_teardown(struct net_device *dev);

static inline struct net_device *dsa_master_find_slave(struct net_device *dev,
						       int device, int port)
{
	struct dsa_port *cpu_dp = dev->dsa_ptr;
	struct dsa_switch_tree *dst = cpu_dp->dst;
	struct dsa_switch *ds;

	if (device < 0 || device >= DSA_MAX_SWITCHES)
		return NULL;

	ds = dst->ds[device];
	if (!ds)
		return NULL;

	if (port < 0 || port >= ds->num_ports)
		return NULL;

	return ds->ports[port].slave;
}

/* port.c */
int dsa_port_set_state(struct dsa_port *dp, u8 state,
		       struct switchdev_trans *trans);
int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy);
void dsa_port_disable(struct dsa_port *dp, struct phy_device *phy);
int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
			    struct switchdev_trans *trans);
int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
			 struct switchdev_trans *trans);
int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
		     u16 vid);
int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
		     u16 vid);
int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data);
int dsa_port_mdb_add(const struct dsa_port *dp,
		     const struct switchdev_obj_port_mdb *mdb,
		     struct switchdev_trans *trans);
int dsa_port_mdb_del(const struct dsa_port *dp,
		     const struct switchdev_obj_port_mdb *mdb);
int dsa_port_vlan_add(struct dsa_port *dp,
		      const struct switchdev_obj_port_vlan *vlan,
		      struct switchdev_trans *trans);
int dsa_port_vlan_del(struct dsa_port *dp,
		      const struct switchdev_obj_port_vlan *vlan);
int dsa_port_fixed_link_register_of(struct dsa_port *dp);
void dsa_port_fixed_link_unregister_of(struct dsa_port *dp);

/* slave.c */
extern const struct dsa_device_ops notag_netdev_ops;
void dsa_slave_mii_bus_init(struct dsa_switch *ds);
int dsa_slave_create(struct dsa_port *dp);
void dsa_slave_destroy(struct net_device *slave_dev);
int dsa_slave_suspend(struct net_device *slave_dev);
int dsa_slave_resume(struct net_device *slave_dev);
int dsa_slave_register_notifier(void);
void dsa_slave_unregister_notifier(void);

static inline struct dsa_port *dsa_slave_to_port(const struct net_device *dev)
{
	struct dsa_slave_priv *p = netdev_priv(dev);

	return p->dp;
}

static inline struct net_device *
dsa_slave_to_master(const struct net_device *dev)
{
	struct dsa_port *dp = dsa_slave_to_port(dev);

	return dp->cpu_dp->master;
}

/* switch.c */
int dsa_switch_register_notifier(struct dsa_switch *ds);
void dsa_switch_unregister_notifier(struct dsa_switch *ds);

/* tag_brcm.c */
extern const struct dsa_device_ops brcm_netdev_ops;
extern const struct dsa_device_ops brcm_prepend_netdev_ops;

/* tag_dsa.c */
extern const struct dsa_device_ops dsa_netdev_ops;

/* tag_edsa.c */
extern const struct dsa_device_ops edsa_netdev_ops;

/* tag_ksz.c */
extern const struct dsa_device_ops ksz_netdev_ops;

/* tag_lan9303.c */
extern const struct dsa_device_ops lan9303_netdev_ops;

/* tag_mtk.c */
extern const struct dsa_device_ops mtk_netdev_ops;

/* tag_qca.c */
extern const struct dsa_device_ops qca_netdev_ops;

/* tag_trailer.c */
extern const struct dsa_device_ops trailer_netdev_ops;

#endif
Commit	Line	Data
91da11f8 LB	1	/*
91da11f8 LB	2	* net/dsa/dsa_priv.h - Hardware switch handling
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 __DSA_PRIV_H
	12	#define __DSA_PRIV_H
	13
91da11f8	14	#include <linux/phy.h>
5075314e	15	#include <linux/netdevice.h>
04ff53f9	16	#include <linux/netpoll.h>
ea5dd34b	17	#include <net/dsa.h>
5075314e	18
52c96f9d	19	enum {
1faabf74	20	DSA_NOTIFIER_AGEING_TIME,
52c96f9d VD	21	DSA_NOTIFIER_BRIDGE_JOIN,
52c96f9d VD	22	DSA_NOTIFIER_BRIDGE_LEAVE,
685fb6a4 VD	23	DSA_NOTIFIER_FDB_ADD,
685fb6a4 VD	24	DSA_NOTIFIER_FDB_DEL,
8ae5bcdc VD	25	DSA_NOTIFIER_MDB_ADD,
8ae5bcdc VD	26	DSA_NOTIFIER_MDB_DEL,
d0c627b8 VD	27	DSA_NOTIFIER_VLAN_ADD,
d0c627b8 VD	28	DSA_NOTIFIER_VLAN_DEL,
52c96f9d VD	29	};
52c96f9d VD	30
1faabf74 VD	31	/* DSA_NOTIFIER_AGEING_TIME */
	32	struct dsa_notifier_ageing_time_info {
	33	struct switchdev_trans *trans;
	34	unsigned int ageing_time;
1faabf74 VD	35	};
1faabf74 VD	36
52c96f9d VD	37	/* DSA_NOTIFIER_BRIDGE_* */
	38	struct dsa_notifier_bridge_info {
	39	struct net_device *br;
	40	int sw_index;
	41	int port;
	42	};
	43
685fb6a4 VD	44	/* DSA_NOTIFIER_FDB_* */
685fb6a4 VD	45	struct dsa_notifier_fdb_info {
685fb6a4 VD	46	int sw_index;
685fb6a4 VD	47	int port;
2acf4e6a AS	48	const unsigned char *addr;
2acf4e6a AS	49	u16 vid;
685fb6a4 VD	50	};
685fb6a4 VD	51
8ae5bcdc VD	52	/* DSA_NOTIFIER_MDB_* */
	53	struct dsa_notifier_mdb_info {
	54	const struct switchdev_obj_port_mdb *mdb;
	55	struct switchdev_trans *trans;
	56	int sw_index;
	57	int port;
	58	};
	59
d0c627b8 VD	60	/* DSA_NOTIFIER_VLAN_* */
	61	struct dsa_notifier_vlan_info {
	62	const struct switchdev_obj_port_vlan *vlan;
	63	struct switchdev_trans *trans;
	64	int sw_index;
	65	int port;
	66	};
	67
91da11f8	68	struct dsa_slave_priv {
15240248	69	/* Copy of CPU port xmit for faster access in slave transmit hot path */
4ed70ce9	70	struct sk_buff * (xmit)(struct sk_buff skb,
5075314e	71	struct net_device *dev);
e84665c9	72
5f6b4e14	73	struct pcpu_sw_netstats *stats64;
f613ed66	74
afdcf151 VD	75	/* DSA port data, such as switch, port index, etc. */
afdcf151 VD	76	struct dsa_port *dp;
e84665c9 LB	77
	78	/*
	79	* The phylib phy_device pointer for the PHY connected
	80	* to this port.
	81	*/
0d8bcdd3 FF	82	phy_interface_t phy_interface;
	83	int old_link;
	84	int old_pause;
	85	int old_duplex;
b73adef6	86
04ff53f9 FF	87	#ifdef CONFIG_NET_POLL_CONTROLLER
	88	struct netpoll *netpoll;
	89	#endif
f50f2127 FF	90
	91	/* TC context */
	92	struct list_head mall_tc_list;
91da11f8 LB	93	};
91da11f8 LB	94
91da11f8	95	/* dsa.c */
39a7f2a4	96	const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol);
c9eb3e0f	97	bool dsa_schedule_work(struct work_struct *work);
91da11f8	98
a6a71f19 VD	99	/* legacy.c */
	100	int dsa_legacy_register(void);
	101	void dsa_legacy_unregister(void);
37b8da1a AS	102	int dsa_legacy_fdb_add(struct ndmsg ndm, struct nlattr tb[],
	103	struct net_device *dev,
	104	const unsigned char *addr, u16 vid,
	105	u16 flags);
	106	int dsa_legacy_fdb_del(struct ndmsg ndm, struct nlattr tb[],
	107	struct net_device *dev,
	108	const unsigned char *addr, u16 vid);
a6a71f19	109
f2f23566	110	/* master.c */
17a22fcf VD	111	int dsa_master_setup(struct net_device dev, struct dsa_port cpu_dp);
17a22fcf VD	112	void dsa_master_teardown(struct net_device *dev);
f2f23566	113
2231c43b VD	114	static inline struct net_device dsa_master_find_slave(struct net_device dev,
2231c43b VD	115	int device, int port)
3775b1b7	116	{
2f657a60 VD	117	struct dsa_port *cpu_dp = dev->dsa_ptr;
2f657a60 VD	118	struct dsa_switch_tree *dst = cpu_dp->dst;
3775b1b7 VD	119	struct dsa_switch *ds;
	120
	121	if (device < 0 \|\| device >= DSA_MAX_SWITCHES)
	122	return NULL;
	123
	124	ds = dst->ds[device];
	125	if (!ds)
	126	return NULL;
	127
	128	if (port < 0 \|\| port >= ds->num_ports)
	129	return NULL;
	130
f8b8b1cd	131	return ds->ports[port].slave;
3775b1b7 VD	132	}
3775b1b7 VD	133
a40c175b VD	134	/* port.c */
	135	int dsa_port_set_state(struct dsa_port *dp, u8 state,
	136	struct switchdev_trans *trans);
fb8a6a2b VD	137	int dsa_port_enable(struct dsa_port dp, struct phy_device phy);
fb8a6a2b VD	138	void dsa_port_disable(struct dsa_port dp, struct phy_device phy);
cfbed329 VD	139	int dsa_port_bridge_join(struct dsa_port dp, struct net_device br);
cfbed329 VD	140	void dsa_port_bridge_leave(struct dsa_port dp, struct net_device br);
4d61d304 VD	141	int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
4d61d304 VD	142	struct switchdev_trans *trans);
d87bd94e VD	143	int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
d87bd94e VD	144	struct switchdev_trans *trans);
2acf4e6a AS	145	int dsa_port_fdb_add(struct dsa_port dp, const unsigned char addr,
	146	u16 vid);
	147	int dsa_port_fdb_del(struct dsa_port dp, const unsigned char addr,
	148	u16 vid);
de40fc5d	149	int dsa_port_fdb_dump(struct dsa_port dp, dsa_fdb_dump_cb_t cb, void *data);
bb9f6031	150	int dsa_port_mdb_add(const struct dsa_port *dp,
3a9afea3 VD	151	const struct switchdev_obj_port_mdb *mdb,
3a9afea3 VD	152	struct switchdev_trans *trans);
bb9f6031	153	int dsa_port_mdb_del(const struct dsa_port *dp,
3a9afea3	154	const struct switchdev_obj_port_mdb *mdb);
076e7133 VD	155	int dsa_port_vlan_add(struct dsa_port *dp,
	156	const struct switchdev_obj_port_vlan *vlan,
	157	struct switchdev_trans *trans);
	158	int dsa_port_vlan_del(struct dsa_port *dp,
	159	const struct switchdev_obj_port_vlan *vlan);
57ab1ca2 VD	160	int dsa_port_fixed_link_register_of(struct dsa_port *dp);
	161	void dsa_port_fixed_link_unregister_of(struct dsa_port *dp);
	162
91da11f8	163	/* slave.c */
5075314e	164	extern const struct dsa_device_ops notag_netdev_ops;
91da11f8	165	void dsa_slave_mii_bus_init(struct dsa_switch *ds);
951259aa	166	int dsa_slave_create(struct dsa_port *dp);
cda5c15b	167	void dsa_slave_destroy(struct net_device *slave_dev);
24462549 FF	168	int dsa_slave_suspend(struct net_device *slave_dev);
24462549 FF	169	int dsa_slave_resume(struct net_device *slave_dev);
88e4f0ca VD	170	int dsa_slave_register_notifier(void);
88e4f0ca VD	171	void dsa_slave_unregister_notifier(void);
91da11f8	172
d945097b VD	173	static inline struct dsa_port dsa_slave_to_port(const struct net_device dev)
	174	{
	175	struct dsa_slave_priv *p = netdev_priv(dev);
	176
	177	return p->dp;
	178	}
	179
d0006b00 VD	180	static inline struct net_device *
	181	dsa_slave_to_master(const struct net_device *dev)
	182	{
	183	struct dsa_port *dp = dsa_slave_to_port(dev);
	184
f8b8b1cd	185	return dp->cpu_dp->master;
d0006b00 VD	186	}
d0006b00 VD	187
f515f192 VD	188	/* switch.c */
	189	int dsa_switch_register_notifier(struct dsa_switch *ds);
	190	void dsa_switch_unregister_notifier(struct dsa_switch *ds);
	191
eb7b7211 AL	192	/* tag_brcm.c */
eb7b7211 AL	193	extern const struct dsa_device_ops brcm_netdev_ops;
b74b70c4	194	extern const struct dsa_device_ops brcm_prepend_netdev_ops;
eb7b7211	195
cf85d08f	196	/* tag_dsa.c */
3e8a72d1	197	extern const struct dsa_device_ops dsa_netdev_ops;
cf85d08f	198
91da11f8	199	/* tag_edsa.c */
3e8a72d1	200	extern const struct dsa_device_ops edsa_netdev_ops;
91da11f8	201
8b8010fb WH	202	/* tag_ksz.c */
	203	extern const struct dsa_device_ops ksz_netdev_ops;
	204
eb7b7211 AL	205	/* tag_lan9303.c */
eb7b7211 AL	206	extern const struct dsa_device_ops lan9303_netdev_ops;
396138f0	207
eb7b7211 AL	208	/* tag_mtk.c */
eb7b7211 AL	209	extern const struct dsa_device_ops mtk_netdev_ops;
5037d532	210
cafdc45c JC	211	/* tag_qca.c */
cafdc45c JC	212	extern const struct dsa_device_ops qca_netdev_ops;
91da11f8	213
eb7b7211 AL	214	/* tag_trailer.c */
eb7b7211 AL	215	extern const struct dsa_device_ops trailer_netdev_ops;
e8fe177a	216
91da11f8	217	#endif