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

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * net/dsa/dsa_priv.h - Hardware switch handling
 * Copyright (c) 2008-2009 Marvell Semiconductor
 */

#ifndef __DSA_PRIV_H
#define __DSA_PRIV_H

#include <linux/phy.h>
#include <linux/netdevice.h>
#include <linux/netpoll.h>
#include <net/dsa.h>
#include <net/gro_cells.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_MTU,
};

/* 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 tree_index;
	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;
};

/* DSA_NOTIFIER_MTU */
struct dsa_notifier_mtu_info {
	bool propagate_upstream;
	int sw_index;
	int port;
	int mtu;
};

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	__percpu *stats64;

	struct gro_cells	gcells;

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

#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_tag_driver_get(int tag_protocol);
void dsa_tag_driver_put(const struct dsa_device_ops *ops);

bool dsa_schedule_work(struct work_struct *work);
const char *dsa_tag_protocol_to_str(const struct dsa_device_ops *ops);

int dsa_legacy_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
		       struct net_device *dev,
		       const unsigned char *addr, u16 vid,
		       u16 flags,
		       struct netlink_ext_ack *extack);
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_port *dp;

	list_for_each_entry(dp, &dst->ports, list)
		if (dp->ds->index == device && dp->index == port &&
		    dp->type == DSA_PORT_TYPE_USER)
			return dp->slave;

	return NULL;
}

/* port.c */
int dsa_port_set_state(struct dsa_port *dp, u8 state,
		       struct switchdev_trans *trans);
int dsa_port_enable_rt(struct dsa_port *dp, struct phy_device *phy);
int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy);
void dsa_port_disable_rt(struct dsa_port *dp);
void dsa_port_disable(struct dsa_port *dp);
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);
bool dsa_port_skip_vlan_configuration(struct dsa_port *dp);
int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
			 struct switchdev_trans *trans);
int dsa_port_mtu_change(struct dsa_port *dp, int new_mtu,
			bool propagate_upstream);
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_pre_bridge_flags(const struct dsa_port *dp, unsigned long flags,
			      struct switchdev_trans *trans);
int dsa_port_bridge_flags(const struct dsa_port *dp, unsigned long flags,
			  struct switchdev_trans *trans);
int dsa_port_mrouter(struct dsa_port *dp, bool mrouter,
		     struct switchdev_trans *trans);
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_vid_add(struct dsa_port *dp, u16 vid, u16 flags);
int dsa_port_vid_del(struct dsa_port *dp, u16 vid);
int dsa_port_link_register_of(struct dsa_port *dp);
void dsa_port_link_unregister_of(struct dsa_port *dp);
extern const struct phylink_mac_ops dsa_port_phylink_mac_ops;

/* 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);
bool dsa_slave_dev_check(const struct net_device *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);

/* dsa2.c */
extern struct list_head dsa_tree_list;

#endif
Commit	Line	Data
2874c5fd	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
91da11f8 LB	2	/*
91da11f8 LB	3	* net/dsa/dsa_priv.h - Hardware switch handling
e84665c9	4	* Copyright (c) 2008-2009 Marvell Semiconductor
91da11f8 LB	5	*/
	6
	7	#ifndef __DSA_PRIV_H
	8	#define __DSA_PRIV_H
	9
91da11f8	10	#include <linux/phy.h>
5075314e	11	#include <linux/netdevice.h>
04ff53f9	12	#include <linux/netpoll.h>
ea5dd34b	13	#include <net/dsa.h>
e131a563	14	#include <net/gro_cells.h>
5075314e	15
52c96f9d	16	enum {
1faabf74	17	DSA_NOTIFIER_AGEING_TIME,
52c96f9d VD	18	DSA_NOTIFIER_BRIDGE_JOIN,
52c96f9d VD	19	DSA_NOTIFIER_BRIDGE_LEAVE,
685fb6a4 VD	20	DSA_NOTIFIER_FDB_ADD,
685fb6a4 VD	21	DSA_NOTIFIER_FDB_DEL,
8ae5bcdc VD	22	DSA_NOTIFIER_MDB_ADD,
8ae5bcdc VD	23	DSA_NOTIFIER_MDB_DEL,
d0c627b8 VD	24	DSA_NOTIFIER_VLAN_ADD,
d0c627b8 VD	25	DSA_NOTIFIER_VLAN_DEL,
bfcb8132	26	DSA_NOTIFIER_MTU,
52c96f9d VD	27	};
52c96f9d VD	28
1faabf74 VD	29	/* DSA_NOTIFIER_AGEING_TIME */
	30	struct dsa_notifier_ageing_time_info {
	31	struct switchdev_trans *trans;
	32	unsigned int ageing_time;
1faabf74 VD	33	};
1faabf74 VD	34
52c96f9d VD	35	/* DSA_NOTIFIER_BRIDGE_* */
	36	struct dsa_notifier_bridge_info {
	37	struct net_device *br;
f66a6a69	38	int tree_index;
52c96f9d VD	39	int sw_index;
	40	int port;
	41	};
	42
685fb6a4 VD	43	/* DSA_NOTIFIER_FDB_* */
685fb6a4 VD	44	struct dsa_notifier_fdb_info {
685fb6a4 VD	45	int sw_index;
685fb6a4 VD	46	int port;
2acf4e6a AS	47	const unsigned char *addr;
2acf4e6a AS	48	u16 vid;
685fb6a4 VD	49	};
685fb6a4 VD	50
8ae5bcdc VD	51	/* DSA_NOTIFIER_MDB_* */
	52	struct dsa_notifier_mdb_info {
	53	const struct switchdev_obj_port_mdb *mdb;
	54	struct switchdev_trans *trans;
	55	int sw_index;
	56	int port;
	57	};
	58
d0c627b8 VD	59	/* DSA_NOTIFIER_VLAN_* */
	60	struct dsa_notifier_vlan_info {
	61	const struct switchdev_obj_port_vlan *vlan;
	62	struct switchdev_trans *trans;
	63	int sw_index;
	64	int port;
	65	};
	66
bfcb8132 VO	67	/* DSA_NOTIFIER_MTU */
	68	struct dsa_notifier_mtu_info {
	69	bool propagate_upstream;
	70	int sw_index;
	71	int port;
	72	int mtu;
	73	};
	74
91da11f8	75	struct dsa_slave_priv {
15240248	76	/* Copy of CPU port xmit for faster access in slave transmit hot path */
4ed70ce9	77	struct sk_buff * (xmit)(struct sk_buff skb,
5075314e	78	struct net_device *dev);
e84665c9	79
a61bf208	80	struct pcpu_sw_netstats __percpu *stats64;
f613ed66	81
e131a563 AL	82	struct gro_cells gcells;
e131a563 AL	83
afdcf151 VD	84	/* DSA port data, such as switch, port index, etc. */
afdcf151 VD	85	struct dsa_port *dp;
e84665c9	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 */
c39e2a1d	96	const struct dsa_device_ops *dsa_tag_driver_get(int tag_protocol);
4dad81ee	97	void dsa_tag_driver_put(const struct dsa_device_ops *ops);
c39e2a1d	98
c9eb3e0f	99	bool dsa_schedule_work(struct work_struct *work);
98cdb480	100	const char dsa_tag_protocol_to_str(const struct dsa_device_ops ops);
91da11f8	101
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,
87b0984e PM	105	u16 flags,
87b0984e PM	106	struct netlink_ext_ack *extack);
37b8da1a AS	107	int dsa_legacy_fdb_del(struct ndmsg ndm, struct nlattr tb[],
	108	struct net_device *dev,
	109	const unsigned char *addr, u16 vid);
a6a71f19	110
f2f23566	111	/* master.c */
17a22fcf VD	112	int dsa_master_setup(struct net_device dev, struct dsa_port cpu_dp);
17a22fcf VD	113	void dsa_master_teardown(struct net_device *dev);
f2f23566	114
2231c43b VD	115	static inline struct net_device dsa_master_find_slave(struct net_device dev,
2231c43b VD	116	int device, int port)
3775b1b7	117	{
2f657a60 VD	118	struct dsa_port *cpu_dp = dev->dsa_ptr;
2f657a60 VD	119	struct dsa_switch_tree *dst = cpu_dp->dst;
7b9a2f4b	120	struct dsa_port *dp;
3775b1b7	121
7b9a2f4b VD	122	list_for_each_entry(dp, &dst->ports, list)
	123	if (dp->ds->index == device && dp->index == port &&
	124	dp->type == DSA_PORT_TYPE_USER)
	125	return dp->slave;
3775b1b7	126
7b9a2f4b	127	return NULL;
3775b1b7 VD	128	}
3775b1b7 VD	129
a40c175b VD	130	/* port.c */
	131	int dsa_port_set_state(struct dsa_port *dp, u8 state,
	132	struct switchdev_trans *trans);
8640f8dc	133	int dsa_port_enable_rt(struct dsa_port dp, struct phy_device phy);
fb8a6a2b	134	int dsa_port_enable(struct dsa_port dp, struct phy_device phy);
8640f8dc	135	void dsa_port_disable_rt(struct dsa_port *dp);
75104db0	136	void dsa_port_disable(struct dsa_port *dp);
cfbed329 VD	137	int dsa_port_bridge_join(struct dsa_port dp, struct net_device br);
cfbed329 VD	138	void dsa_port_bridge_leave(struct dsa_port dp, struct net_device br);
4d61d304 VD	139	int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
4d61d304 VD	140	struct switchdev_trans *trans);
54a0ed0d	141	bool dsa_port_skip_vlan_configuration(struct dsa_port *dp);
d87bd94e VD	142	int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
d87bd94e VD	143	struct switchdev_trans *trans);
bfcb8132 VO	144	int dsa_port_mtu_change(struct dsa_port *dp, int new_mtu,
bfcb8132 VO	145	bool propagate_upstream);
2acf4e6a AS	146	int dsa_port_fdb_add(struct dsa_port dp, const unsigned char addr,
	147	u16 vid);
	148	int dsa_port_fdb_del(struct dsa_port dp, const unsigned char addr,
	149	u16 vid);
de40fc5d	150	int dsa_port_fdb_dump(struct dsa_port dp, dsa_fdb_dump_cb_t cb, void *data);
bb9f6031	151	int dsa_port_mdb_add(const struct dsa_port *dp,
3a9afea3 VD	152	const struct switchdev_obj_port_mdb *mdb,
3a9afea3 VD	153	struct switchdev_trans *trans);
bb9f6031	154	int dsa_port_mdb_del(const struct dsa_port *dp,
3a9afea3	155	const struct switchdev_obj_port_mdb *mdb);
ea87005a FF	156	int dsa_port_pre_bridge_flags(const struct dsa_port *dp, unsigned long flags,
ea87005a FF	157	struct switchdev_trans *trans);
57652796 RK	158	int dsa_port_bridge_flags(const struct dsa_port *dp, unsigned long flags,
57652796 RK	159	struct switchdev_trans *trans);
08cc83cc VD	160	int dsa_port_mrouter(struct dsa_port *dp, bool mrouter,
08cc83cc VD	161	struct switchdev_trans *trans);
076e7133 VD	162	int dsa_port_vlan_add(struct dsa_port *dp,
	163	const struct switchdev_obj_port_vlan *vlan,
	164	struct switchdev_trans *trans);
	165	int dsa_port_vlan_del(struct dsa_port *dp,
	166	const struct switchdev_obj_port_vlan *vlan);
314f76d7 VO	167	int dsa_port_vid_add(struct dsa_port *dp, u16 vid, u16 flags);
314f76d7 VO	168	int dsa_port_vid_del(struct dsa_port *dp, u16 vid);
33615367 SR	169	int dsa_port_link_register_of(struct dsa_port *dp);
33615367 SR	170	void dsa_port_link_unregister_of(struct dsa_port *dp);
77373d49	171	extern const struct phylink_mac_ops dsa_port_phylink_mac_ops;
57ab1ca2	172
91da11f8	173	/* slave.c */
5075314e	174	extern const struct dsa_device_ops notag_netdev_ops;
91da11f8	175	void dsa_slave_mii_bus_init(struct dsa_switch *ds);
951259aa	176	int dsa_slave_create(struct dsa_port *dp);
cda5c15b	177	void dsa_slave_destroy(struct net_device *slave_dev);
4d776482	178	bool dsa_slave_dev_check(const struct net_device *dev);
24462549 FF	179	int dsa_slave_suspend(struct net_device *slave_dev);
24462549 FF	180	int dsa_slave_resume(struct net_device *slave_dev);
88e4f0ca VD	181	int dsa_slave_register_notifier(void);
88e4f0ca VD	182	void dsa_slave_unregister_notifier(void);
91da11f8	183
d945097b VD	184	static inline struct dsa_port dsa_slave_to_port(const struct net_device dev)
	185	{
	186	struct dsa_slave_priv *p = netdev_priv(dev);
	187
	188	return p->dp;
	189	}
	190
d0006b00 VD	191	static inline struct net_device *
	192	dsa_slave_to_master(const struct net_device *dev)
	193	{
	194	struct dsa_port *dp = dsa_slave_to_port(dev);
	195
f8b8b1cd	196	return dp->cpu_dp->master;
d0006b00 VD	197	}
d0006b00 VD	198
f515f192 VD	199	/* switch.c */
	200	int dsa_switch_register_notifier(struct dsa_switch *ds);
	201	void dsa_switch_unregister_notifier(struct dsa_switch *ds);
bff33f7e VO	202
	203	/* dsa2.c */
	204	extern struct list_head dsa_tree_list;
	205
91da11f8	206	#endif