switchdev.h | Explore in Territory

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * include/net/switchdev.h - Switch device API
 * Copyright (c) 2014-2015 Jiri Pirko <[email protected]>
 * Copyright (c) 2014-2015 Scott Feldman <[email protected]>
 */
#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 …
#define SWITCHDEV_F_SKIP_EOPNOTSUPP …
#define SWITCHDEV_F_DEFER …

enum switchdev_attr_id { … };

struct switchdev_mst_state { … };

struct switchdev_brport_flags { … };

struct switchdev_vlan_msti { … };

struct switchdev_attr { … };

enum switchdev_obj_id { … };

struct switchdev_obj { … };

/* SWITCHDEV_OBJ_ID_PORT_VLAN */
struct switchdev_obj_port_vlan { … };

#define SWITCHDEV_OBJ_PORT_VLAN(OBJ) …

/* SWITCHDEV_OBJ_ID_PORT_MDB */
struct switchdev_obj_port_mdb { … };

#define SWITCHDEV_OBJ_PORT_MDB(OBJ) …


/* SWITCHDEV_OBJ_ID_MRP */
struct switchdev_obj_mrp { … };

#define SWITCHDEV_OBJ_MRP(OBJ) …

/* SWITCHDEV_OBJ_ID_RING_TEST_MRP */
struct switchdev_obj_ring_test_mrp { … };

#define SWITCHDEV_OBJ_RING_TEST_MRP(OBJ) …

/* SWICHDEV_OBJ_ID_RING_ROLE_MRP */
struct switchdev_obj_ring_role_mrp { … };

#define SWITCHDEV_OBJ_RING_ROLE_MRP(OBJ) …

struct switchdev_obj_ring_state_mrp { … };

#define SWITCHDEV_OBJ_RING_STATE_MRP(OBJ) …

/* SWITCHDEV_OBJ_ID_IN_TEST_MRP */
struct switchdev_obj_in_test_mrp { … };

#define SWITCHDEV_OBJ_IN_TEST_MRP(OBJ) …

/* SWICHDEV_OBJ_ID_IN_ROLE_MRP */
struct switchdev_obj_in_role_mrp { … };

#define SWITCHDEV_OBJ_IN_ROLE_MRP(OBJ) …

struct switchdev_obj_in_state_mrp { … };

#define SWITCHDEV_OBJ_IN_STATE_MRP(OBJ) …

struct switchdev_brport { … };

enum switchdev_notifier_type { … };

struct switchdev_notifier_info { … };

/* Remember to update br_switchdev_fdb_populate() when adding
 * new members to this structure
 */
struct switchdev_notifier_fdb_info { … };

struct switchdev_notifier_port_obj_info { … };

struct switchdev_notifier_port_attr_info { … };

struct switchdev_notifier_brport_info { … };

static inline struct net_device *
switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
{ … }

static inline struct netlink_ext_ack *
switchdev_notifier_info_to_extack(const struct switchdev_notifier_info *info)
{ … }

static inline bool
switchdev_fdb_is_dynamically_learned(const struct switchdev_notifier_fdb_info *fdb_info)
{ … }

#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);
int switchdev_bridge_port_replay(struct net_device *brport_dev,
				 struct net_device *dev, const void *ctx,
				 struct notifier_block *atomic_nb,
				 struct notifier_block *blocking_nb,
				 struct netlink_ext_ack *extack);

void switchdev_deferred_process(void);
int switchdev_port_attr_set(struct net_device *dev,
			    const struct switchdev_attr *attr,
			    struct netlink_ext_ack *extack);
bool switchdev_port_obj_act_is_deferred(struct net_device *dev,
					enum switchdev_notifier_type nt,
					const struct switchdev_obj *obj);
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);

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_ */
linux/include/net/switchdev.h
