/* * 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> * * 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_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) struct switchdev_trans_item { struct list_head list; void *data; void (*destructor)(const void *data);}; struct switchdev_trans { struct list_head item_list; bool ph_prepare;}; static inline bool switchdev_trans_ph_prepare(struct switchdev_trans *trans){ return trans && trans->ph_prepare;} static inline bool switchdev_trans_ph_commit(struct switchdev_trans *trans){ return trans && !trans->ph_prepare;} enum switchdev_attr_id { SWITCHDEV_ATTR_ID_UNDEFINED, SWITCHDEV_ATTR_ID_PORT_PARENT_ID, SWITCHDEV_ATTR_ID_PORT_STP_STATE, SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS, SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT, SWITCHDEV_ATTR_ID_PORT_MROUTER, SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME, SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING, SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED, SWITCHDEV_ATTR_ID_BRIDGE_MROUTER,}; 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 { struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */ u8 stp_state; /* PORT_STP_STATE */ unsigned long brport_flags; /* PORT_BRIDGE_FLAGS */ unsigned long brport_flags_support; /* PORT_BRIDGE_FLAGS_SUPPORT */ bool mrouter; /* PORT_MROUTER */ clock_t ageing_time; /* BRIDGE_AGEING_TIME */ bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */ bool mc_disabled; /* MC_DISABLED */ } u;}; enum switchdev_obj_id { SWITCHDEV_OBJ_ID_UNDEFINED, SWITCHDEV_OBJ_ID_PORT_VLAN, SWITCHDEV_OBJ_ID_PORT_MDB, SWITCHDEV_OBJ_ID_HOST_MDB,}; struct switchdev_obj { 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_begin; u16 vid_end;}; #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) void switchdev_trans_item_enqueue(struct switchdev_trans *trans, void *data, void (*destructor)(void const *), struct switchdev_trans_item *tritem);void *switchdev_trans_item_dequeue(struct switchdev_trans *trans); typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj); /** * struct switchdev_ops - switchdev operations * * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr). * * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr). */struct switchdev_ops { int (*switchdev_port_attr_get)(struct net_device *dev, struct switchdev_attr *attr); int (*switchdev_port_attr_set)(struct net_device *dev, const struct switchdev_attr *attr, struct switchdev_trans *trans);}; 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_PORT_OBJ_ADD, /* Blocking. */ SWITCHDEV_PORT_OBJ_DEL, /* 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,}; struct switchdev_notifier_info { struct net_device *dev; struct netlink_ext_ack *extack;}; struct switchdev_notifier_fdb_info { struct switchdev_notifier_info info; /* must be first */ const unsigned char *addr; u16 vid; u8 added_by_user:1, offloaded:1;}; struct switchdev_notifier_port_obj_info { struct switchdev_notifier_info info; /* must be first */ const struct switchdev_obj *obj; struct switchdev_trans *trans; bool handled;}; 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;} #ifdef CONFIG_NET_SWITCHDEV void switchdev_deferred_process(void);int switchdev_port_attr_get(struct net_device *dev, struct switchdev_attr *attr);int switchdev_port_attr_set(struct net_device *dev, const struct switchdev_attr *attr);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); 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); bool switchdev_port_same_parent_id(struct net_device *a, struct net_device *b); 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 struct switchdev_obj *obj, struct switchdev_trans *trans, 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 struct switchdev_obj *obj)); #define SWITCHDEV_SET_OPS(netdev, ops) ((netdev)->switchdev_ops = (ops))#else static inline void switchdev_deferred_process(void){} static inline int switchdev_port_attr_get(struct net_device *dev, struct switchdev_attr *attr){ return -EOPNOTSUPP;} static inline int switchdev_port_attr_set(struct net_device *dev, const struct switchdev_attr *attr){ 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){ return NOTIFY_DONE;} static inline intregister_switchdev_blocking_notifier(struct notifier_block *nb){ return 0;} static inline intunregister_switchdev_blocking_notifier(struct notifier_block *nb){ return 0;} static inline intcall_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 bool switchdev_port_same_parent_id(struct net_device *a, struct net_device *b){ return false;} static inline intswitchdev_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 struct switchdev_obj *obj, struct switchdev_trans *trans, struct netlink_ext_ack *extack)){ return 0;} static inline intswitchdev_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 struct switchdev_obj *obj)){ return 0;} #define SWITCHDEV_SET_OPS(netdev, ops) do {} while (0) #endif #endif /* _LINUX_SWITCHDEV_H_ */
/*
* 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>
*
* 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_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)
struct switchdev_trans_item {
struct list_head list;
void *data;
void (*destructor)(const void *data);
};
struct switchdev_trans {
struct list_head item_list;
bool ph_prepare;
};
static inline bool switchdev_trans_ph_prepare(struct switchdev_trans *trans)
{
return trans && trans->ph_prepare;
}
static inline bool switchdev_trans_ph_commit(struct switchdev_trans *trans)
{
return trans && !trans->ph_prepare;
}
enum switchdev_attr_id {
SWITCHDEV_ATTR_ID_UNDEFINED,
SWITCHDEV_ATTR_ID_PORT_PARENT_ID,
SWITCHDEV_ATTR_ID_PORT_STP_STATE,
SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT,
SWITCHDEV_ATTR_ID_PORT_MROUTER,
SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED,
SWITCHDEV_ATTR_ID_BRIDGE_MROUTER,
};
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 {
struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */
u8 stp_state; /* PORT_STP_STATE */
unsigned long brport_flags; /* PORT_BRIDGE_FLAGS */
unsigned long brport_flags_support; /* PORT_BRIDGE_FLAGS_SUPPORT */
bool mrouter; /* PORT_MROUTER */
clock_t ageing_time; /* BRIDGE_AGEING_TIME */
bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */
bool mc_disabled; /* MC_DISABLED */
} u;
};
enum switchdev_obj_id {
SWITCHDEV_OBJ_ID_UNDEFINED,
SWITCHDEV_OBJ_ID_PORT_VLAN,
SWITCHDEV_OBJ_ID_PORT_MDB,
SWITCHDEV_OBJ_ID_HOST_MDB,
};
struct switchdev_obj {
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_begin;
u16 vid_end;
};
#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)
void switchdev_trans_item_enqueue(struct switchdev_trans *trans,
void *data, void (*destructor)(void const *),
struct switchdev_trans_item *tritem);
void *switchdev_trans_item_dequeue(struct switchdev_trans *trans);
typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);
/**
* struct switchdev_ops - switchdev operations
*
* @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
*
* @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
*/
struct switchdev_ops {
int (*switchdev_port_attr_get)(struct net_device *dev,
struct switchdev_attr *attr);
int (*switchdev_port_attr_set)(struct net_device *dev,
const struct switchdev_attr *attr,
struct switchdev_trans *trans);
};
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_PORT_OBJ_ADD, /* Blocking. */
SWITCHDEV_PORT_OBJ_DEL, /* 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,
};
struct switchdev_notifier_info {
struct net_device *dev;
struct netlink_ext_ack *extack;
};
struct switchdev_notifier_fdb_info {
struct switchdev_notifier_info info; /* must be first */
const unsigned char *addr;
u16 vid;
u8 added_by_user:1,
offloaded:1;
};
struct switchdev_notifier_port_obj_info {
struct switchdev_notifier_info info; /* must be first */
const struct switchdev_obj *obj;
struct switchdev_trans *trans;
bool handled;
};
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;
}
#ifdef CONFIG_NET_SWITCHDEV
void switchdev_deferred_process(void);
int switchdev_port_attr_get(struct net_device *dev,
struct switchdev_attr *attr);
int switchdev_port_attr_set(struct net_device *dev,
const struct switchdev_attr *attr);
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);
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);
bool switchdev_port_same_parent_id(struct net_device *a,
struct net_device *b);
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 struct switchdev_obj *obj,
struct switchdev_trans *trans,
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 struct switchdev_obj *obj));
#define SWITCHDEV_SET_OPS(netdev, ops) ((netdev)->switchdev_ops = (ops))
#else
static inline void switchdev_deferred_process(void)
{
}
static inline int switchdev_port_attr_get(struct net_device *dev,
struct switchdev_attr *attr)
{
return -EOPNOTSUPP;
}
static inline int switchdev_port_attr_set(struct net_device *dev,
const struct switchdev_attr *attr)
{
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)
{
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 bool switchdev_port_same_parent_id(struct net_device *a,
struct net_device *b)
{
return false;
}
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 struct switchdev_obj *obj,
struct switchdev_trans *trans,
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 struct switchdev_obj *obj))
{
return 0;
}
#define SWITCHDEV_SET_OPS(netdev, ops) do {} while (0)
#endif
#endif /* _LINUX_SWITCHDEV_H_ */