You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
318 lines
8.5 KiB
318 lines
8.5 KiB
/* |
|
* 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_BRIDGE_AGEING_TIME, |
|
SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING, |
|
}; |
|
|
|
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 */ |
|
clock_t ageing_time; /* BRIDGE_AGEING_TIME */ |
|
bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */ |
|
} u; |
|
}; |
|
|
|
enum switchdev_obj_id { |
|
SWITCHDEV_OBJ_ID_UNDEFINED, |
|
SWITCHDEV_OBJ_ID_PORT_VLAN, |
|
SWITCHDEV_OBJ_ID_PORT_FDB, |
|
SWITCHDEV_OBJ_ID_PORT_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_FDB */ |
|
struct switchdev_obj_port_fdb { |
|
struct switchdev_obj obj; |
|
unsigned char addr[ETH_ALEN]; |
|
u16 vid; |
|
u16 ndm_state; |
|
}; |
|
|
|
#define SWITCHDEV_OBJ_PORT_FDB(obj) \ |
|
container_of(obj, struct switchdev_obj_port_fdb, 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). |
|
* |
|
* @switchdev_port_obj_add: Add an object to port (see switchdev_obj_*). |
|
* |
|
* @switchdev_port_obj_del: Delete an object from port (see switchdev_obj_*). |
|
* |
|
* @switchdev_port_obj_dump: Dump port objects (see switchdev_obj_*). |
|
*/ |
|
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); |
|
int (*switchdev_port_obj_add)(struct net_device *dev, |
|
const struct switchdev_obj *obj, |
|
struct switchdev_trans *trans); |
|
int (*switchdev_port_obj_del)(struct net_device *dev, |
|
const struct switchdev_obj *obj); |
|
int (*switchdev_port_obj_dump)(struct net_device *dev, |
|
struct switchdev_obj *obj, |
|
switchdev_obj_dump_cb_t *cb); |
|
}; |
|
|
|
enum switchdev_notifier_type { |
|
SWITCHDEV_FDB_ADD = 1, |
|
SWITCHDEV_FDB_DEL, |
|
}; |
|
|
|
struct switchdev_notifier_info { |
|
struct net_device *dev; |
|
}; |
|
|
|
struct switchdev_notifier_fdb_info { |
|
struct switchdev_notifier_info info; /* must be first */ |
|
const unsigned char *addr; |
|
u16 vid; |
|
}; |
|
|
|
static inline struct net_device * |
|
switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info) |
|
{ |
|
return info->dev; |
|
} |
|
|
|
#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); |
|
int switchdev_port_obj_del(struct net_device *dev, |
|
const struct switchdev_obj *obj); |
|
int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj, |
|
switchdev_obj_dump_cb_t *cb); |
|
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 switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, |
|
struct net_device *dev, u32 filter_mask, |
|
int nlflags); |
|
int switchdev_port_bridge_setlink(struct net_device *dev, |
|
struct nlmsghdr *nlh, u16 flags); |
|
int switchdev_port_bridge_dellink(struct net_device *dev, |
|
struct nlmsghdr *nlh, u16 flags); |
|
int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], |
|
struct net_device *dev, const unsigned char *addr, |
|
u16 vid, u16 nlm_flags); |
|
int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], |
|
struct net_device *dev, const unsigned char *addr, |
|
u16 vid); |
|
int switchdev_port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, |
|
struct net_device *dev, |
|
struct net_device *filter_dev, int *idx); |
|
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); |
|
#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) |
|
{ |
|
return -EOPNOTSUPP; |
|
} |
|
|
|
static inline int switchdev_port_obj_del(struct net_device *dev, |
|
const struct switchdev_obj *obj) |
|
{ |
|
return -EOPNOTSUPP; |
|
} |
|
|
|
static inline int switchdev_port_obj_dump(struct net_device *dev, |
|
const struct switchdev_obj *obj, |
|
switchdev_obj_dump_cb_t *cb) |
|
{ |
|
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 switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, |
|
u32 seq, struct net_device *dev, |
|
u32 filter_mask, int nlflags) |
|
{ |
|
return -EOPNOTSUPP; |
|
} |
|
|
|
static inline int switchdev_port_bridge_setlink(struct net_device *dev, |
|
struct nlmsghdr *nlh, |
|
u16 flags) |
|
{ |
|
return -EOPNOTSUPP; |
|
} |
|
|
|
static inline int switchdev_port_bridge_dellink(struct net_device *dev, |
|
struct nlmsghdr *nlh, |
|
u16 flags) |
|
{ |
|
return -EOPNOTSUPP; |
|
} |
|
|
|
static inline int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], |
|
struct net_device *dev, |
|
const unsigned char *addr, |
|
u16 vid, u16 nlm_flags) |
|
{ |
|
return -EOPNOTSUPP; |
|
} |
|
|
|
static inline int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], |
|
struct net_device *dev, |
|
const unsigned char *addr, u16 vid) |
|
{ |
|
return -EOPNOTSUPP; |
|
} |
|
|
|
static inline int switchdev_port_fdb_dump(struct sk_buff *skb, |
|
struct netlink_callback *cb, |
|
struct net_device *dev, |
|
struct net_device *filter_dev, |
|
int *idx) |
|
{ |
|
return *idx; |
|
} |
|
|
|
static inline bool switchdev_port_same_parent_id(struct net_device *a, |
|
struct net_device *b) |
|
{ |
|
return false; |
|
} |
|
|
|
#endif |
|
|
|
#endif /* _LINUX_SWITCHDEV_H_ */
|
|
|