[linux-block.git] / include / net / switchdev.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * include/net/switchdev.h - Switch device API
 * Copyright (c) 2014-2015 Jiri Pirko <jiri@resnulli.us>
 * Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com>
 */
#ifndef _LINUX_SWITCHDEV_H_
#define _LINUX_SWITCHDEV_H_

#include <linux/netdevice.h>
#include <linux/notifier.h>
#include <linux/list.h>
#include <net/ip_fib.h>

#define SWITCHDEV_F_NO_RECURSE		BIT(0)
#define SWITCHDEV_F_SKIP_EOPNOTSUPP	BIT(1)
#define SWITCHDEV_F_DEFER		BIT(2)

enum switchdev_attr_id {
	SWITCHDEV_ATTR_ID_UNDEFINED,
	SWITCHDEV_ATTR_ID_PORT_STP_STATE,
	SWITCHDEV_ATTR_ID_PORT_MST_STATE,
	SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
	SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS,
	SWITCHDEV_ATTR_ID_PORT_MROUTER,
	SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
	SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
	SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL,
	SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED,
	SWITCHDEV_ATTR_ID_BRIDGE_MROUTER,
	SWITCHDEV_ATTR_ID_BRIDGE_MST,
	SWITCHDEV_ATTR_ID_MRP_PORT_ROLE,
	SWITCHDEV_ATTR_ID_VLAN_MSTI,
};

struct switchdev_mst_state {
	u16 msti;
	u8 state;
};

struct switchdev_brport_flags {
	unsigned long val;
	unsigned long mask;
};

struct switchdev_vlan_msti {
	u16 vid;
	u16 msti;
};

struct switchdev_attr {
	struct net_device *orig_dev;
	enum switchdev_attr_id id;
	u32 flags;
	void *complete_priv;
	void (*complete)(struct net_device *dev, int err, void *priv);
	union {
		u8 stp_state;				/* PORT_STP_STATE */
		struct switchdev_mst_state mst_state;	/* PORT_MST_STATE */
		struct switchdev_brport_flags brport_flags; /* PORT_BRIDGE_FLAGS */
		bool mrouter;				/* PORT_MROUTER */
		clock_t ageing_time;			/* BRIDGE_AGEING_TIME */
		bool vlan_filtering;			/* BRIDGE_VLAN_FILTERING */
		u16 vlan_protocol;			/* BRIDGE_VLAN_PROTOCOL */
		bool mst;				/* BRIDGE_MST */
		bool mc_disabled;			/* MC_DISABLED */
		u8 mrp_port_role;			/* MRP_PORT_ROLE */
		struct switchdev_vlan_msti vlan_msti;	/* VLAN_MSTI */
	} u;
};

enum switchdev_obj_id {
	SWITCHDEV_OBJ_ID_UNDEFINED,
	SWITCHDEV_OBJ_ID_PORT_VLAN,
	SWITCHDEV_OBJ_ID_PORT_MDB,
	SWITCHDEV_OBJ_ID_HOST_MDB,
	SWITCHDEV_OBJ_ID_MRP,
	SWITCHDEV_OBJ_ID_RING_TEST_MRP,
	SWITCHDEV_OBJ_ID_RING_ROLE_MRP,
	SWITCHDEV_OBJ_ID_RING_STATE_MRP,
	SWITCHDEV_OBJ_ID_IN_TEST_MRP,
	SWITCHDEV_OBJ_ID_IN_ROLE_MRP,
	SWITCHDEV_OBJ_ID_IN_STATE_MRP,
};

struct switchdev_obj {
	struct list_head list;
	struct net_device *orig_dev;
	enum switchdev_obj_id id;
	u32 flags;
	void *complete_priv;
	void (*complete)(struct net_device *dev, int err, void *priv);
};

/* SWITCHDEV_OBJ_ID_PORT_VLAN */
struct switchdev_obj_port_vlan {
	struct switchdev_obj obj;
	u16 flags;
	u16 vid;
	/* If set, the notifier signifies a change of one of the following
	 * flags for a VLAN that already exists:
	 * - BRIDGE_VLAN_INFO_PVID
	 * - BRIDGE_VLAN_INFO_UNTAGGED
	 * Entries with BRIDGE_VLAN_INFO_BRENTRY unset are not notified at all.
	 */
	bool changed;
};

#define SWITCHDEV_OBJ_PORT_VLAN(OBJ) \
	container_of((OBJ), struct switchdev_obj_port_vlan, obj)

/* SWITCHDEV_OBJ_ID_PORT_MDB */
struct switchdev_obj_port_mdb {
	struct switchdev_obj obj;
	unsigned char addr[ETH_ALEN];
	u16 vid;
};

#define SWITCHDEV_OBJ_PORT_MDB(OBJ) \
	container_of((OBJ), struct switchdev_obj_port_mdb, obj)


/* SWITCHDEV_OBJ_ID_MRP */
struct switchdev_obj_mrp {
	struct switchdev_obj obj;
	struct net_device *p_port;
	struct net_device *s_port;
	u32 ring_id;
	u16 prio;
};

#define SWITCHDEV_OBJ_MRP(OBJ) \
	container_of((OBJ), struct switchdev_obj_mrp, obj)

/* SWITCHDEV_OBJ_ID_RING_TEST_MRP */
struct switchdev_obj_ring_test_mrp {
	struct switchdev_obj obj;
	/* The value is in us and a value of 0 represents to stop */
	u32 interval;
	u8 max_miss;
	u32 ring_id;
	u32 period;
	bool monitor;
};

#define SWITCHDEV_OBJ_RING_TEST_MRP(OBJ) \
	container_of((OBJ), struct switchdev_obj_ring_test_mrp, obj)

/* SWICHDEV_OBJ_ID_RING_ROLE_MRP */
struct switchdev_obj_ring_role_mrp {
	struct switchdev_obj obj;
	u8 ring_role;
	u32 ring_id;
	u8 sw_backup;
};

#define SWITCHDEV_OBJ_RING_ROLE_MRP(OBJ) \
	container_of((OBJ), struct switchdev_obj_ring_role_mrp, obj)

struct switchdev_obj_ring_state_mrp {
	struct switchdev_obj obj;
	u8 ring_state;
	u32 ring_id;
};

#define SWITCHDEV_OBJ_RING_STATE_MRP(OBJ) \
	container_of((OBJ), struct switchdev_obj_ring_state_mrp, obj)

/* SWITCHDEV_OBJ_ID_IN_TEST_MRP */
struct switchdev_obj_in_test_mrp {
	struct switchdev_obj obj;
	/* The value is in us and a value of 0 represents to stop */
	u32 interval;
	u32 in_id;
	u32 period;
	u8 max_miss;
};

#define SWITCHDEV_OBJ_IN_TEST_MRP(OBJ) \
	container_of((OBJ), struct switchdev_obj_in_test_mrp, obj)

/* SWICHDEV_OBJ_ID_IN_ROLE_MRP */
struct switchdev_obj_in_role_mrp {
	struct switchdev_obj obj;
	struct net_device *i_port;
	u32 ring_id;
	u16 in_id;
	u8 in_role;
	u8 sw_backup;
};

#define SWITCHDEV_OBJ_IN_ROLE_MRP(OBJ) \
	container_of((OBJ), struct switchdev_obj_in_role_mrp, obj)

struct switchdev_obj_in_state_mrp {
	struct switchdev_obj obj;
	u32 in_id;
	u8 in_state;
};

#define SWITCHDEV_OBJ_IN_STATE_MRP(OBJ) \
	container_of((OBJ), struct switchdev_obj_in_state_mrp, obj)

typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);

struct switchdev_brport {
	struct net_device *dev;
	const void *ctx;
	struct notifier_block *atomic_nb;
	struct notifier_block *blocking_nb;
	bool tx_fwd_offload;
};

enum switchdev_notifier_type {
	SWITCHDEV_FDB_ADD_TO_BRIDGE = 1,
	SWITCHDEV_FDB_DEL_TO_BRIDGE,
	SWITCHDEV_FDB_ADD_TO_DEVICE,
	SWITCHDEV_FDB_DEL_TO_DEVICE,
	SWITCHDEV_FDB_OFFLOADED,
	SWITCHDEV_FDB_FLUSH_TO_BRIDGE,

	SWITCHDEV_PORT_OBJ_ADD, /* Blocking. */
	SWITCHDEV_PORT_OBJ_DEL, /* Blocking. */
	SWITCHDEV_PORT_ATTR_SET, /* May be blocking . */

	SWITCHDEV_VXLAN_FDB_ADD_TO_BRIDGE,
	SWITCHDEV_VXLAN_FDB_DEL_TO_BRIDGE,
	SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE,
	SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE,
	SWITCHDEV_VXLAN_FDB_OFFLOADED,

	SWITCHDEV_BRPORT_OFFLOADED,
	SWITCHDEV_BRPORT_UNOFFLOADED,
};

struct switchdev_notifier_info {
	struct net_device *dev;
	struct netlink_ext_ack *extack;
	const void *ctx;
};

/* Remember to update br_switchdev_fdb_populate() when adding
 * new members to this structure
 */
struct switchdev_notifier_fdb_info {
	struct switchdev_notifier_info info; /* must be first */
	const unsigned char *addr;
	u16 vid;
	u8 added_by_user:1,
	   is_local:1,
	   locked:1,
	   offloaded:1;
};

struct switchdev_notifier_port_obj_info {
	struct switchdev_notifier_info info; /* must be first */
	const struct switchdev_obj *obj;
	bool handled;
};

struct switchdev_notifier_port_attr_info {
	struct switchdev_notifier_info info; /* must be first */
	const struct switchdev_attr *attr;
	bool handled;
};

struct switchdev_notifier_brport_info {
	struct switchdev_notifier_info info; /* must be first */
	const struct switchdev_brport brport;
};

static inline struct net_device *
switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
{
	return info->dev;
}

static inline struct netlink_ext_ack *
switchdev_notifier_info_to_extack(const struct switchdev_notifier_info *info)
{
	return info->extack;
}

static inline bool
switchdev_fdb_is_dynamically_learned(const struct switchdev_notifier_fdb_info *fdb_info)
{
	return !fdb_info->added_by_user && !fdb_info->is_local;
}

#ifdef CONFIG_NET_SWITCHDEV

int switchdev_bridge_port_offload(struct net_device *brport_dev,
				  struct net_device *dev, const void *ctx,
				  struct notifier_block *atomic_nb,
				  struct notifier_block *blocking_nb,
				  bool tx_fwd_offload,
				  struct netlink_ext_ack *extack);
void switchdev_bridge_port_unoffload(struct net_device *brport_dev,
				     const void *ctx,
				     struct notifier_block *atomic_nb,
				     struct notifier_block *blocking_nb);

void switchdev_deferred_process(void);
int switchdev_port_attr_set(struct net_device *dev,
			    const struct switchdev_attr *attr,
			    struct netlink_ext_ack *extack);
int switchdev_port_obj_add(struct net_device *dev,
			   const struct switchdev_obj *obj,
			   struct netlink_ext_ack *extack);
int switchdev_port_obj_del(struct net_device *dev,
			   const struct switchdev_obj *obj);

int register_switchdev_notifier(struct notifier_block *nb);
int unregister_switchdev_notifier(struct notifier_block *nb);
int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
			     struct switchdev_notifier_info *info,
			     struct netlink_ext_ack *extack);

int register_switchdev_blocking_notifier(struct notifier_block *nb);
int unregister_switchdev_blocking_notifier(struct notifier_block *nb);
int call_switchdev_blocking_notifiers(unsigned long val, struct net_device *dev,
				      struct switchdev_notifier_info *info,
				      struct netlink_ext_ack *extack);

void switchdev_port_fwd_mark_set(struct net_device *dev,
				 struct net_device *group_dev,
				 bool joining);

int switchdev_handle_fdb_event_to_device(struct net_device *dev, unsigned long event,
		const struct switchdev_notifier_fdb_info *fdb_info,
		bool (*check_cb)(const struct net_device *dev),
		bool (*foreign_dev_check_cb)(const struct net_device *dev,
					     const struct net_device *foreign_dev),
		int (*mod_cb)(struct net_device *dev, struct net_device *orig_dev,
			      unsigned long event, const void *ctx,
			      const struct switchdev_notifier_fdb_info *fdb_info));

int switchdev_handle_port_obj_add(struct net_device *dev,
			struct switchdev_notifier_port_obj_info *port_obj_info,
			bool (*check_cb)(const struct net_device *dev),
			int (*add_cb)(struct net_device *dev, const void *ctx,
				      const struct switchdev_obj *obj,
				      struct netlink_ext_ack *extack));
int switchdev_handle_port_obj_add_foreign(struct net_device *dev,
			struct switchdev_notifier_port_obj_info *port_obj_info,
			bool (*check_cb)(const struct net_device *dev),
			bool (*foreign_dev_check_cb)(const struct net_device *dev,
						     const struct net_device *foreign_dev),
			int (*add_cb)(struct net_device *dev, const void *ctx,
				      const struct switchdev_obj *obj,
				      struct netlink_ext_ack *extack));
int switchdev_handle_port_obj_del(struct net_device *dev,
			struct switchdev_notifier_port_obj_info *port_obj_info,
			bool (*check_cb)(const struct net_device *dev),
			int (*del_cb)(struct net_device *dev, const void *ctx,
				      const struct switchdev_obj *obj));
int switchdev_handle_port_obj_del_foreign(struct net_device *dev,
			struct switchdev_notifier_port_obj_info *port_obj_info,
			bool (*check_cb)(const struct net_device *dev),
			bool (*foreign_dev_check_cb)(const struct net_device *dev,
						     const struct net_device *foreign_dev),
			int (*del_cb)(struct net_device *dev, const void *ctx,
				      const struct switchdev_obj *obj));

int switchdev_handle_port_attr_set(struct net_device *dev,
			struct switchdev_notifier_port_attr_info *port_attr_info,
			bool (*check_cb)(const struct net_device *dev),
			int (*set_cb)(struct net_device *dev, const void *ctx,
				      const struct switchdev_attr *attr,
				      struct netlink_ext_ack *extack));
#else

static inline int
switchdev_bridge_port_offload(struct net_device *brport_dev,
			      struct net_device *dev, const void *ctx,
			      struct notifier_block *atomic_nb,
			      struct notifier_block *blocking_nb,
			      bool tx_fwd_offload,
			      struct netlink_ext_ack *extack)
{
	return -EOPNOTSUPP;
}

static inline void
switchdev_bridge_port_unoffload(struct net_device *brport_dev,
				const void *ctx,
				struct notifier_block *atomic_nb,
				struct notifier_block *blocking_nb)
{
}

static inline void switchdev_deferred_process(void)
{
}

static inline int switchdev_port_attr_set(struct net_device *dev,
					  const struct switchdev_attr *attr,
					  struct netlink_ext_ack *extack)
{
	return -EOPNOTSUPP;
}

static inline int switchdev_port_obj_add(struct net_device *dev,
					 const struct switchdev_obj *obj,
					 struct netlink_ext_ack *extack)
{
	return -EOPNOTSUPP;
}

static inline int switchdev_port_obj_del(struct net_device *dev,
					 const struct switchdev_obj *obj)
{
	return -EOPNOTSUPP;
}

static inline int register_switchdev_notifier(struct notifier_block *nb)
{
	return 0;
}

static inline int unregister_switchdev_notifier(struct notifier_block *nb)
{
	return 0;
}

static inline int call_switchdev_notifiers(unsigned long val,
					   struct net_device *dev,
					   struct switchdev_notifier_info *info,
					   struct netlink_ext_ack *extack)
{
	return NOTIFY_DONE;
}

static inline int
register_switchdev_blocking_notifier(struct notifier_block *nb)
{
	return 0;
}

static inline int
unregister_switchdev_blocking_notifier(struct notifier_block *nb)
{
	return 0;
}

static inline int
call_switchdev_blocking_notifiers(unsigned long val,
				  struct net_device *dev,
				  struct switchdev_notifier_info *info,
				  struct netlink_ext_ack *extack)
{
	return NOTIFY_DONE;
}

static inline int
switchdev_handle_fdb_event_to_device(struct net_device *dev, unsigned long event,
		const struct switchdev_notifier_fdb_info *fdb_info,
		bool (*check_cb)(const struct net_device *dev),
		bool (*foreign_dev_check_cb)(const struct net_device *dev,
					     const struct net_device *foreign_dev),
		int (*mod_cb)(struct net_device *dev, struct net_device *orig_dev,
			      unsigned long event, const void *ctx,
			      const struct switchdev_notifier_fdb_info *fdb_info))
{
	return 0;
}

static inline int
switchdev_handle_port_obj_add(struct net_device *dev,
			struct switchdev_notifier_port_obj_info *port_obj_info,
			bool (*check_cb)(const struct net_device *dev),
			int (*add_cb)(struct net_device *dev, const void *ctx,
				      const struct switchdev_obj *obj,
				      struct netlink_ext_ack *extack))
{
	return 0;
}

static inline int switchdev_handle_port_obj_add_foreign(struct net_device *dev,
			struct switchdev_notifier_port_obj_info *port_obj_info,
			bool (*check_cb)(const struct net_device *dev),
			bool (*foreign_dev_check_cb)(const struct net_device *dev,
						     const struct net_device *foreign_dev),
			int (*add_cb)(struct net_device *dev, const void *ctx,
				      const struct switchdev_obj *obj,
				      struct netlink_ext_ack *extack))
{
	return 0;
}

static inline int
switchdev_handle_port_obj_del(struct net_device *dev,
			struct switchdev_notifier_port_obj_info *port_obj_info,
			bool (*check_cb)(const struct net_device *dev),
			int (*del_cb)(struct net_device *dev, const void *ctx,
				      const struct switchdev_obj *obj))
{
	return 0;
}

static inline int
switchdev_handle_port_obj_del_foreign(struct net_device *dev,
			struct switchdev_notifier_port_obj_info *port_obj_info,
			bool (*check_cb)(const struct net_device *dev),
			bool (*foreign_dev_check_cb)(const struct net_device *dev,
						     const struct net_device *foreign_dev),
			int (*del_cb)(struct net_device *dev, const void *ctx,
				      const struct switchdev_obj *obj))
{
	return 0;
}

static inline int
switchdev_handle_port_attr_set(struct net_device *dev,
			struct switchdev_notifier_port_attr_info *port_attr_info,
			bool (*check_cb)(const struct net_device *dev),
			int (*set_cb)(struct net_device *dev, const void *ctx,
				      const struct switchdev_attr *attr,
				      struct netlink_ext_ack *extack))
{
	return 0;
}
#endif

#endif /* _LINUX_SWITCHDEV_H_ */
Commit	Line	Data
2874c5fd	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
007f790c JP	2	/*
007f790c JP	3	* include/net/switchdev.h - Switch device API
7ea6eb3f	4	* Copyright (c) 2014-2015 Jiri Pirko <jiri@resnulli.us>
f8f21471	5	* Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com>
007f790c JP	6	*/
	7	#ifndef _LINUX_SWITCHDEV_H_
	8	#define _LINUX_SWITCHDEV_H_
	9
	10	#include <linux/netdevice.h>
03bf0c28	11	#include <linux/notifier.h>
7ea6eb3f	12	#include <linux/list.h>
850d0cbc	13	#include <net/ip_fib.h>
03bf0c28	14
3094333d	15	#define SWITCHDEV_F_NO_RECURSE BIT(0)
464314ea	16	#define SWITCHDEV_F_SKIP_EOPNOTSUPP BIT(1)
0bc05d58	17	#define SWITCHDEV_F_DEFER BIT(2)
3094333d	18
3094333d	19	enum switchdev_attr_id {
1f868398	20	SWITCHDEV_ATTR_ID_UNDEFINED,
1f868398	21	SWITCHDEV_ATTR_ID_PORT_STP_STATE,
7ae9147f	22	SWITCHDEV_ATTR_ID_PORT_MST_STATE,
1f868398	23	SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
746dc184	24	SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS,
6d549648	25	SWITCHDEV_ATTR_ID_PORT_MROUTER,
f55ac58a	26	SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
81435c33	27	SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
22ec19f3	28	SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL,
147c1e9b	29	SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED,
77041420	30	SWITCHDEV_ATTR_ID_BRIDGE_MROUTER,
87c167bb	31	SWITCHDEV_ATTR_ID_BRIDGE_MST,
c284b545	32	SWITCHDEV_ATTR_ID_MRP_PORT_ROLE,
6284c723	33	SWITCHDEV_ATTR_ID_VLAN_MSTI,
3094333d SF	34	};
3094333d SF	35
7ae9147f TW	36	struct switchdev_mst_state {
	37	u16 msti;
	38	u8 state;
	39	};
	40
e18f4c18 VO	41	struct switchdev_brport_flags {
	42	unsigned long val;
	43	unsigned long mask;
	44	};
	45
6284c723 TW	46	struct switchdev_vlan_msti {
	47	u16 vid;
	48	u16 msti;
	49	};
	50
3094333d	51	struct switchdev_attr {
6ff64f6f	52	struct net_device *orig_dev;
3094333d	53	enum switchdev_attr_id id;
3094333d	54	u32 flags;
7ceb2afb ER	55	void *complete_priv;
7ceb2afb ER	56	void (complete)(struct net_device dev, int err, void *priv);
f8e20a9f	57	union {
35636062	58	u8 stp_state; /* PORT_STP_STATE */
7ae9147f	59	struct switchdev_mst_state mst_state; /* PORT_MST_STATE */
e18f4c18	60	struct switchdev_brport_flags brport_flags; /* PORT_BRIDGE_FLAGS */
6d549648	61	bool mrouter; /* PORT_MROUTER */
eabfdda9	62	clock_t ageing_time; /* BRIDGE_AGEING_TIME */
81435c33	63	bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */
22ec19f3	64	u16 vlan_protocol; /* BRIDGE_VLAN_PROTOCOL */
87c167bb	65	bool mst; /* BRIDGE_MST */
147c1e9b	66	bool mc_disabled; /* MC_DISABLED */
c284b545	67	u8 mrp_port_role; /* MRP_PORT_ROLE */
6284c723	68	struct switchdev_vlan_msti vlan_msti; /* VLAN_MSTI */
42275bd8	69	} u;
3094333d SF	70	};
3094333d SF	71
491d0f15	72	enum switchdev_obj_id {
57d80838 JP	73	SWITCHDEV_OBJ_ID_UNDEFINED,
57d80838 JP	74	SWITCHDEV_OBJ_ID_PORT_VLAN,
4d41e125	75	SWITCHDEV_OBJ_ID_PORT_MDB,
47d5b6db	76	SWITCHDEV_OBJ_ID_HOST_MDB,
c284b545 HV	77	SWITCHDEV_OBJ_ID_MRP,
	78	SWITCHDEV_OBJ_ID_RING_TEST_MRP,
	79	SWITCHDEV_OBJ_ID_RING_ROLE_MRP,
	80	SWITCHDEV_OBJ_ID_RING_STATE_MRP,
cf7c5274 HV	81	SWITCHDEV_OBJ_ID_IN_TEST_MRP,
	82	SWITCHDEV_OBJ_ID_IN_ROLE_MRP,
	83	SWITCHDEV_OBJ_ID_IN_STATE_MRP,
491d0f15 SF	84	};
491d0f15 SF	85
648b4a99	86	struct switchdev_obj {
4f2673b3	87	struct list_head list;
6ff64f6f	88	struct net_device *orig_dev;
9e8f4a54	89	enum switchdev_obj_id id;
4d429c5d	90	u32 flags;
7ceb2afb ER	91	void *complete_priv;
7ceb2afb ER	92	void (complete)(struct net_device dev, int err, void *priv);
648b4a99 JP	93	};
648b4a99 JP	94
57d80838	95	/* SWITCHDEV_OBJ_ID_PORT_VLAN */
8f24f309	96	struct switchdev_obj_port_vlan {
648b4a99	97	struct switchdev_obj obj;
44bbcf5c	98	u16 flags;
b7a9e0da	99	u16 vid;
8d23a54f VO	100	/* If set, the notifier signifies a change of one of the following
	101	* flags for a VLAN that already exists:
	102	* - BRIDGE_VLAN_INFO_PVID
	103	* - BRIDGE_VLAN_INFO_UNTAGGED
	104	* Entries with BRIDGE_VLAN_INFO_BRENTRY unset are not notified at all.
	105	*/
	106	bool changed;
44bbcf5c VD	107	};
44bbcf5c VD	108
ec394af5 PM	109	#define SWITCHDEV_OBJ_PORT_VLAN(OBJ) \
ec394af5 PM	110	container_of((OBJ), struct switchdev_obj_port_vlan, obj)
648b4a99	111
4d41e125 ER	112	/* SWITCHDEV_OBJ_ID_PORT_MDB */
	113	struct switchdev_obj_port_mdb {
	114	struct switchdev_obj obj;
	115	unsigned char addr[ETH_ALEN];
	116	u16 vid;
	117	};
	118
ec394af5 PM	119	#define SWITCHDEV_OBJ_PORT_MDB(OBJ) \
ec394af5 PM	120	container_of((OBJ), struct switchdev_obj_port_mdb, obj)
4d41e125	121
c284b545	122
c284b545 HV	123	/* SWITCHDEV_OBJ_ID_MRP */
	124	struct switchdev_obj_mrp {
	125	struct switchdev_obj obj;
	126	struct net_device *p_port;
	127	struct net_device *s_port;
	128	u32 ring_id;
4b3a61b0	129	u16 prio;
c284b545 HV	130	};
	131
	132	#define SWITCHDEV_OBJ_MRP(OBJ) \
	133	container_of((OBJ), struct switchdev_obj_mrp, obj)
	134
	135	/* SWITCHDEV_OBJ_ID_RING_TEST_MRP */
	136	struct switchdev_obj_ring_test_mrp {
	137	struct switchdev_obj obj;
	138	/* The value is in us and a value of 0 represents to stop */
	139	u32 interval;
	140	u8 max_miss;
	141	u32 ring_id;
	142	u32 period;
c6676e7d	143	bool monitor;
c284b545 HV	144	};
	145
	146	#define SWITCHDEV_OBJ_RING_TEST_MRP(OBJ) \
	147	container_of((OBJ), struct switchdev_obj_ring_test_mrp, obj)
	148
	149	/* SWICHDEV_OBJ_ID_RING_ROLE_MRP */
	150	struct switchdev_obj_ring_role_mrp {
	151	struct switchdev_obj obj;
	152	u8 ring_role;
	153	u32 ring_id;
c513efa2	154	u8 sw_backup;
c284b545 HV	155	};
	156
	157	#define SWITCHDEV_OBJ_RING_ROLE_MRP(OBJ) \
	158	container_of((OBJ), struct switchdev_obj_ring_role_mrp, obj)
	159
	160	struct switchdev_obj_ring_state_mrp {
	161	struct switchdev_obj obj;
	162	u8 ring_state;
	163	u32 ring_id;
	164	};
	165
	166	#define SWITCHDEV_OBJ_RING_STATE_MRP(OBJ) \
	167	container_of((OBJ), struct switchdev_obj_ring_state_mrp, obj)
	168
cf7c5274 HV	169	/* SWITCHDEV_OBJ_ID_IN_TEST_MRP */
	170	struct switchdev_obj_in_test_mrp {
	171	struct switchdev_obj obj;
	172	/* The value is in us and a value of 0 represents to stop */
	173	u32 interval;
	174	u32 in_id;
	175	u32 period;
	176	u8 max_miss;
	177	};
	178
	179	#define SWITCHDEV_OBJ_IN_TEST_MRP(OBJ) \
	180	container_of((OBJ), struct switchdev_obj_in_test_mrp, obj)
	181
	182	/* SWICHDEV_OBJ_ID_IN_ROLE_MRP */
	183	struct switchdev_obj_in_role_mrp {
	184	struct switchdev_obj obj;
	185	struct net_device *i_port;
	186	u32 ring_id;
	187	u16 in_id;
	188	u8 in_role;
c513efa2	189	u8 sw_backup;
cf7c5274 HV	190	};
	191
	192	#define SWITCHDEV_OBJ_IN_ROLE_MRP(OBJ) \
	193	container_of((OBJ), struct switchdev_obj_in_role_mrp, obj)
	194
	195	struct switchdev_obj_in_state_mrp {
	196	struct switchdev_obj obj;
	197	u32 in_id;
	198	u8 in_state;
	199	};
	200
	201	#define SWITCHDEV_OBJ_IN_STATE_MRP(OBJ) \
	202	container_of((OBJ), struct switchdev_obj_in_state_mrp, obj)
	203
648b4a99 JP	204	typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);
648b4a99 JP	205
957e2235 VO	206	struct switchdev_brport {
	207	struct net_device *dev;
	208	const void *ctx;
	209	struct notifier_block *atomic_nb;
	210	struct notifier_block *blocking_nb;
	211	bool tx_fwd_offload;
	212	};
	213
ebb9a03a	214	enum switchdev_notifier_type {
6b26b51b AS	215	SWITCHDEV_FDB_ADD_TO_BRIDGE = 1,
	216	SWITCHDEV_FDB_DEL_TO_BRIDGE,
	217	SWITCHDEV_FDB_ADD_TO_DEVICE,
	218	SWITCHDEV_FDB_DEL_TO_DEVICE,
9fe8bcec	219	SWITCHDEV_FDB_OFFLOADED,
d05e8e68	220	SWITCHDEV_FDB_FLUSH_TO_BRIDGE,
9a997353	221
aa4efe21 PM	222	SWITCHDEV_PORT_OBJ_ADD, /* Blocking. */
aa4efe21 PM	223	SWITCHDEV_PORT_OBJ_DEL, /* Blocking. */
1cb33af1	224	SWITCHDEV_PORT_ATTR_SET, /* May be blocking . */
aa4efe21	225
5728ae0d PM	226	SWITCHDEV_VXLAN_FDB_ADD_TO_BRIDGE,
5728ae0d PM	227	SWITCHDEV_VXLAN_FDB_DEL_TO_BRIDGE,
9a997353 PM	228	SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE,
9a997353 PM	229	SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE,
0efe1173	230	SWITCHDEV_VXLAN_FDB_OFFLOADED,
957e2235 VO	231
	232	SWITCHDEV_BRPORT_OFFLOADED,
	233	SWITCHDEV_BRPORT_UNOFFLOADED,
3aeb6617 JP	234	};
3aeb6617 JP	235
ebb9a03a	236	struct switchdev_notifier_info {
03bf0c28	237	struct net_device *dev;
479c86dc	238	struct netlink_ext_ack *extack;
69bfac96	239	const void *ctx;
03bf0c28 JP	240	};
03bf0c28 JP	241
3eb4a4c3 VO	242	/* Remember to update br_switchdev_fdb_populate() when adding
	243	* new members to this structure
	244	*/
ebb9a03a JP	245	struct switchdev_notifier_fdb_info {
ebb9a03a JP	246	struct switchdev_notifier_info info; /* must be first */
3aeb6617 JP	247	const unsigned char *addr;
3aeb6617 JP	248	u16 vid;
e9ba0fbc	249	u8 added_by_user:1,
2c4eca3e	250	is_local:1,
27fabd02	251	locked:1,
e9ba0fbc	252	offloaded:1;
3aeb6617 JP	253	};
3aeb6617 JP	254
aa4efe21 PM	255	struct switchdev_notifier_port_obj_info {
	256	struct switchdev_notifier_info info; /* must be first */
	257	const struct switchdev_obj *obj;
aa4efe21 PM	258	bool handled;
	259	};
	260
1cb33af1 FF	261	struct switchdev_notifier_port_attr_info {
	262	struct switchdev_notifier_info info; /* must be first */
	263	const struct switchdev_attr *attr;
1cb33af1 FF	264	bool handled;
	265	};
	266
957e2235 VO	267	struct switchdev_notifier_brport_info {
	268	struct switchdev_notifier_info info; /* must be first */
	269	const struct switchdev_brport brport;
	270	};
	271
03bf0c28	272	static inline struct net_device *
ebb9a03a	273	switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
03bf0c28 JP	274	{
	275	return info->dev;
	276	}
007f790c	277
479c86dc PM	278	static inline struct netlink_ext_ack *
	279	switchdev_notifier_info_to_extack(const struct switchdev_notifier_info *info)
	280	{
	281	return info->extack;
	282	}
	283
c6451cda VO	284	static inline bool
	285	switchdev_fdb_is_dynamically_learned(const struct switchdev_notifier_fdb_info *fdb_info)
	286	{
	287	return !fdb_info->added_by_user && !fdb_info->is_local;
	288	}
	289
007f790c JP	290	#ifdef CONFIG_NET_SWITCHDEV
007f790c JP	291
957e2235 VO	292	int switchdev_bridge_port_offload(struct net_device *brport_dev,
	293	struct net_device dev, const void ctx,
	294	struct notifier_block *atomic_nb,
	295	struct notifier_block *blocking_nb,
	296	bool tx_fwd_offload,
	297	struct netlink_ext_ack *extack);
	298	void switchdev_bridge_port_unoffload(struct net_device *brport_dev,
	299	const void *ctx,
	300	struct notifier_block *atomic_nb,
	301	struct notifier_block *blocking_nb);
	302
793f4014	303	void switchdev_deferred_process(void);
3094333d	304	int switchdev_port_attr_set(struct net_device *dev,
dcbdf135 VO	305	const struct switchdev_attr *attr,
dcbdf135 VO	306	struct netlink_ext_ack *extack);
9e8f4a54	307	int switchdev_port_obj_add(struct net_device *dev,
69b7320e PM	308	const struct switchdev_obj *obj,
69b7320e PM	309	struct netlink_ext_ack *extack);
9e8f4a54	310	int switchdev_port_obj_del(struct net_device *dev,
648b4a99	311	const struct switchdev_obj *obj);
a93e3b17	312
ebb9a03a JP	313	int register_switchdev_notifier(struct notifier_block *nb);
	314	int unregister_switchdev_notifier(struct notifier_block *nb);
	315	int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
6685987c PM	316	struct switchdev_notifier_info *info,
6685987c PM	317	struct netlink_ext_ack *extack);
a93e3b17 PM	318
	319	int register_switchdev_blocking_notifier(struct notifier_block *nb);
	320	int unregister_switchdev_blocking_notifier(struct notifier_block *nb);
	321	int call_switchdev_blocking_notifiers(unsigned long val, struct net_device *dev,
479c86dc PM	322	struct switchdev_notifier_info *info,
479c86dc PM	323	struct netlink_ext_ack *extack);
a93e3b17	324
1a3b2ec9 SF	325	void switchdev_port_fwd_mark_set(struct net_device *dev,
	326	struct net_device *group_dev,
	327	bool joining);
5e8d9049	328
716a30a9	329	int switchdev_handle_fdb_event_to_device(struct net_device *dev, unsigned long event,
8ca07176 VO	330	const struct switchdev_notifier_fdb_info *fdb_info,
	331	bool (check_cb)(const struct net_device dev),
	332	bool (foreign_dev_check_cb)(const struct net_device dev,
	333	const struct net_device *foreign_dev),
716a30a9 VO	334	int (mod_cb)(struct net_device dev, struct net_device *orig_dev,
716a30a9 VO	335	unsigned long event, const void *ctx,
ec638740	336	const struct switchdev_notifier_fdb_info *fdb_info));
8ca07176	337
f30f0601 PM	338	int switchdev_handle_port_obj_add(struct net_device *dev,
	339	struct switchdev_notifier_port_obj_info *port_obj_info,
	340	bool (check_cb)(const struct net_device dev),
69bfac96	341	int (add_cb)(struct net_device dev, const void *ctx,
f30f0601	342	const struct switchdev_obj *obj,
69213513	343	struct netlink_ext_ack *extack));
c4076cdd VO	344	int switchdev_handle_port_obj_add_foreign(struct net_device *dev,
	345	struct switchdev_notifier_port_obj_info *port_obj_info,
	346	bool (check_cb)(const struct net_device dev),
	347	bool (foreign_dev_check_cb)(const struct net_device dev,
	348	const struct net_device *foreign_dev),
	349	int (add_cb)(struct net_device dev, const void *ctx,
	350	const struct switchdev_obj *obj,
	351	struct netlink_ext_ack *extack));
f30f0601 PM	352	int switchdev_handle_port_obj_del(struct net_device *dev,
	353	struct switchdev_notifier_port_obj_info *port_obj_info,
	354	bool (check_cb)(const struct net_device dev),
69bfac96	355	int (del_cb)(struct net_device dev, const void *ctx,
f30f0601	356	const struct switchdev_obj *obj));
c4076cdd VO	357	int switchdev_handle_port_obj_del_foreign(struct net_device *dev,
	358	struct switchdev_notifier_port_obj_info *port_obj_info,
	359	bool (check_cb)(const struct net_device dev),
	360	bool (foreign_dev_check_cb)(const struct net_device dev,
	361	const struct net_device *foreign_dev),
	362	int (del_cb)(struct net_device dev, const void *ctx,
	363	const struct switchdev_obj *obj));
f30f0601	364
1cb33af1 FF	365	int switchdev_handle_port_attr_set(struct net_device *dev,
	366	struct switchdev_notifier_port_attr_info *port_attr_info,
	367	bool (check_cb)(const struct net_device dev),
69bfac96	368	int (set_cb)(struct net_device dev, const void *ctx,
4c08c586 VO	369	const struct switchdev_attr *attr,
4c08c586 VO	370	struct netlink_ext_ack *extack));
007f790c JP	371	#else
007f790c JP	372
957e2235 VO	373	static inline int
	374	switchdev_bridge_port_offload(struct net_device *brport_dev,
	375	struct net_device dev, const void ctx,
	376	struct notifier_block *atomic_nb,
	377	struct notifier_block *blocking_nb,
	378	bool tx_fwd_offload,
	379	struct netlink_ext_ack *extack)
	380	{
	381	return -EOPNOTSUPP;
	382	}
	383
	384	static inline void
	385	switchdev_bridge_port_unoffload(struct net_device *brport_dev,
	386	const void *ctx,
	387	struct notifier_block *atomic_nb,
	388	struct notifier_block *blocking_nb)
	389	{
	390	}
	391
793f4014 JP	392	static inline void switchdev_deferred_process(void)
	393	{
	394	}
	395
3094333d	396	static inline int switchdev_port_attr_set(struct net_device *dev,
419dfaed VO	397	const struct switchdev_attr *attr,
419dfaed VO	398	struct netlink_ext_ack *extack)
3094333d SF	399	{
	400	return -EOPNOTSUPP;
	401	}
	402
491d0f15	403	static inline int switchdev_port_obj_add(struct net_device *dev,
69b7320e PM	404	const struct switchdev_obj *obj,
69b7320e PM	405	struct netlink_ext_ack *extack)
491d0f15 SF	406	{
	407	return -EOPNOTSUPP;
	408	}
	409
	410	static inline int switchdev_port_obj_del(struct net_device *dev,
648b4a99	411	const struct switchdev_obj *obj)
491d0f15 SF	412	{
	413	return -EOPNOTSUPP;
	414	}
	415
ebb9a03a	416	static inline int register_switchdev_notifier(struct notifier_block *nb)
03bf0c28 JP	417	{
	418	return 0;
	419	}
	420
ebb9a03a	421	static inline int unregister_switchdev_notifier(struct notifier_block *nb)
03bf0c28 JP	422	{
	423	return 0;
	424	}
	425
ebb9a03a JP	426	static inline int call_switchdev_notifiers(unsigned long val,
ebb9a03a JP	427	struct net_device *dev,
6685987c PM	428	struct switchdev_notifier_info *info,
6685987c PM	429	struct netlink_ext_ack *extack)
03bf0c28 JP	430	{
	431	return NOTIFY_DONE;
	432	}
	433
a93e3b17 PM	434	static inline int
	435	register_switchdev_blocking_notifier(struct notifier_block *nb)
	436	{
	437	return 0;
	438	}
	439
	440	static inline int
	441	unregister_switchdev_blocking_notifier(struct notifier_block *nb)
	442	{
	443	return 0;
	444	}
	445
	446	static inline int
	447	call_switchdev_blocking_notifiers(unsigned long val,
	448	struct net_device *dev,
479c86dc PM	449	struct switchdev_notifier_info *info,
479c86dc PM	450	struct netlink_ext_ack *extack)
a93e3b17 PM	451	{
	452	return NOTIFY_DONE;
	453	}
	454
f30f0601	455	static inline int
716a30a9	456	switchdev_handle_fdb_event_to_device(struct net_device *dev, unsigned long event,
8ca07176 VO	457	const struct switchdev_notifier_fdb_info *fdb_info,
	458	bool (check_cb)(const struct net_device dev),
	459	bool (foreign_dev_check_cb)(const struct net_device dev,
	460	const struct net_device *foreign_dev),
716a30a9 VO	461	int (mod_cb)(struct net_device dev, struct net_device *orig_dev,
716a30a9 VO	462	unsigned long event, const void *ctx,
ec638740	463	const struct switchdev_notifier_fdb_info *fdb_info))
8ca07176 VO	464	{
	465	return 0;
	466	}
	467
	468	static inline int
f30f0601 PM	469	switchdev_handle_port_obj_add(struct net_device *dev,
	470	struct switchdev_notifier_port_obj_info *port_obj_info,
	471	bool (check_cb)(const struct net_device dev),
69bfac96	472	int (add_cb)(struct net_device dev, const void *ctx,
f30f0601	473	const struct switchdev_obj *obj,
69213513	474	struct netlink_ext_ack *extack))
f30f0601 PM	475	{
	476	return 0;
	477	}
	478
c4076cdd VO	479	static inline int switchdev_handle_port_obj_add_foreign(struct net_device *dev,
	480	struct switchdev_notifier_port_obj_info *port_obj_info,
	481	bool (check_cb)(const struct net_device dev),
	482	bool (foreign_dev_check_cb)(const struct net_device dev,
	483	const struct net_device *foreign_dev),
	484	int (add_cb)(struct net_device dev, const void *ctx,
	485	const struct switchdev_obj *obj,
	486	struct netlink_ext_ack *extack))
	487	{
	488	return 0;
	489	}
	490
f30f0601 PM	491	static inline int
	492	switchdev_handle_port_obj_del(struct net_device *dev,
	493	struct switchdev_notifier_port_obj_info *port_obj_info,
	494	bool (check_cb)(const struct net_device dev),
69bfac96	495	int (del_cb)(struct net_device dev, const void *ctx,
f30f0601 PM	496	const struct switchdev_obj *obj))
	497	{
	498	return 0;
	499	}
	500
c4076cdd VO	501	static inline int
	502	switchdev_handle_port_obj_del_foreign(struct net_device *dev,
	503	struct switchdev_notifier_port_obj_info *port_obj_info,
	504	bool (check_cb)(const struct net_device dev),
	505	bool (foreign_dev_check_cb)(const struct net_device dev,
	506	const struct net_device *foreign_dev),
	507	int (del_cb)(struct net_device dev, const void *ctx,
	508	const struct switchdev_obj *obj))
	509	{
	510	return 0;
	511	}
	512
1cb33af1 FF	513	static inline int
	514	switchdev_handle_port_attr_set(struct net_device *dev,
	515	struct switchdev_notifier_port_attr_info *port_attr_info,
	516	bool (check_cb)(const struct net_device dev),
69bfac96	517	int (set_cb)(struct net_device dev, const void *ctx,
4c08c586 VO	518	const struct switchdev_attr *attr,
4c08c586 VO	519	struct netlink_ext_ack *extack))
1cb33af1 FF	520	{
	521	return 0;
	522	}
007f790c JP	523	#endif
	524
	525	#endif /* _LINUX_SWITCHDEV_H_ */