2 * include/net/switchdev.h - Switch device API
3 * Copyright (c) 2014-2015 Jiri Pirko <jiri@resnulli.us>
4 * Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 #ifndef _LINUX_SWITCHDEV_H_
12 #define _LINUX_SWITCHDEV_H_
14 #include <linux/netdevice.h>
15 #include <linux/notifier.h>
16 #include <linux/list.h>
18 #define SWITCHDEV_F_NO_RECURSE BIT(0)
20 struct switchdev_trans_item
{
21 struct list_head list
;
23 void (*destructor
)(const void *data
);
26 struct switchdev_trans
{
27 struct list_head item_list
;
31 static inline bool switchdev_trans_ph_prepare(struct switchdev_trans
*trans
)
33 return trans
&& trans
->ph_prepare
;
36 static inline bool switchdev_trans_ph_commit(struct switchdev_trans
*trans
)
38 return trans
&& !trans
->ph_prepare
;
41 enum switchdev_attr_id
{
42 SWITCHDEV_ATTR_UNDEFINED
,
43 SWITCHDEV_ATTR_PORT_PARENT_ID
,
44 SWITCHDEV_ATTR_PORT_STP_STATE
,
45 SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS
,
48 struct switchdev_attr
{
49 enum switchdev_attr_id id
;
52 struct netdev_phys_item_id ppid
; /* PORT_PARENT_ID */
53 u8 stp_state
; /* PORT_STP_STATE */
54 unsigned long brport_flags
; /* PORT_BRIDGE_FLAGS */
60 enum switchdev_obj_id
{
61 SWITCHDEV_OBJ_UNDEFINED
,
62 SWITCHDEV_OBJ_PORT_VLAN
,
63 SWITCHDEV_OBJ_IPV4_FIB
,
64 SWITCHDEV_OBJ_PORT_FDB
,
67 /* SWITCHDEV_OBJ_PORT_VLAN */
68 struct switchdev_obj_vlan
{
74 /* SWITCHDEV_OBJ_IPV4_FIB */
75 struct switchdev_obj_ipv4_fib
{
85 /* SWITCHDEV_OBJ_PORT_FDB */
86 struct switchdev_obj_fdb
{
87 const unsigned char *addr
;
92 void switchdev_trans_item_enqueue(struct switchdev_trans
*trans
,
93 void *data
, void (*destructor
)(void const *),
94 struct switchdev_trans_item
*tritem
);
95 void *switchdev_trans_item_dequeue(struct switchdev_trans
*trans
);
98 * struct switchdev_ops - switchdev operations
100 * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
102 * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
104 * @switchdev_port_obj_add: Add an object to port (see switchdev_obj_*).
106 * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj_*).
108 * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj_*).
110 struct switchdev_ops
{
111 int (*switchdev_port_attr_get
)(struct net_device
*dev
,
112 struct switchdev_attr
*attr
);
113 int (*switchdev_port_attr_set
)(struct net_device
*dev
,
114 struct switchdev_attr
*attr
,
115 struct switchdev_trans
*trans
);
116 int (*switchdev_port_obj_add
)(struct net_device
*dev
,
117 enum switchdev_obj_id id
,
119 struct switchdev_trans
*trans
);
120 int (*switchdev_port_obj_del
)(struct net_device
*dev
,
121 enum switchdev_obj_id id
,
123 int (*switchdev_port_obj_dump
)(struct net_device
*dev
,
124 enum switchdev_obj_id id
, void *obj
,
125 int (*cb
)(void *obj
));
128 enum switchdev_notifier_type
{
129 SWITCHDEV_FDB_ADD
= 1,
133 struct switchdev_notifier_info
{
134 struct net_device
*dev
;
137 struct switchdev_notifier_fdb_info
{
138 struct switchdev_notifier_info info
; /* must be first */
139 const unsigned char *addr
;
143 static inline struct net_device
*
144 switchdev_notifier_info_to_dev(const struct switchdev_notifier_info
*info
)
149 #ifdef CONFIG_NET_SWITCHDEV
151 int switchdev_port_attr_get(struct net_device
*dev
,
152 struct switchdev_attr
*attr
);
153 int switchdev_port_attr_set(struct net_device
*dev
,
154 struct switchdev_attr
*attr
);
155 int switchdev_port_obj_add(struct net_device
*dev
, enum switchdev_obj_id id
,
157 int switchdev_port_obj_del(struct net_device
*dev
, enum switchdev_obj_id id
,
159 int switchdev_port_obj_dump(struct net_device
*dev
, enum switchdev_obj_id id
,
160 void *obj
, int (*cb
)(void *obj
));
161 int register_switchdev_notifier(struct notifier_block
*nb
);
162 int unregister_switchdev_notifier(struct notifier_block
*nb
);
163 int call_switchdev_notifiers(unsigned long val
, struct net_device
*dev
,
164 struct switchdev_notifier_info
*info
);
165 int switchdev_port_bridge_getlink(struct sk_buff
*skb
, u32 pid
, u32 seq
,
166 struct net_device
*dev
, u32 filter_mask
,
168 int switchdev_port_bridge_setlink(struct net_device
*dev
,
169 struct nlmsghdr
*nlh
, u16 flags
);
170 int switchdev_port_bridge_dellink(struct net_device
*dev
,
171 struct nlmsghdr
*nlh
, u16 flags
);
172 int switchdev_fib_ipv4_add(u32 dst
, int dst_len
, struct fib_info
*fi
,
173 u8 tos
, u8 type
, u32 nlflags
, u32 tb_id
);
174 int switchdev_fib_ipv4_del(u32 dst
, int dst_len
, struct fib_info
*fi
,
175 u8 tos
, u8 type
, u32 tb_id
);
176 void switchdev_fib_ipv4_abort(struct fib_info
*fi
);
177 int switchdev_port_fdb_add(struct ndmsg
*ndm
, struct nlattr
*tb
[],
178 struct net_device
*dev
, const unsigned char *addr
,
179 u16 vid
, u16 nlm_flags
);
180 int switchdev_port_fdb_del(struct ndmsg
*ndm
, struct nlattr
*tb
[],
181 struct net_device
*dev
, const unsigned char *addr
,
183 int switchdev_port_fdb_dump(struct sk_buff
*skb
, struct netlink_callback
*cb
,
184 struct net_device
*dev
,
185 struct net_device
*filter_dev
, int idx
);
186 void switchdev_port_fwd_mark_set(struct net_device
*dev
,
187 struct net_device
*group_dev
,
192 static inline int switchdev_port_attr_get(struct net_device
*dev
,
193 struct switchdev_attr
*attr
)
198 static inline int switchdev_port_attr_set(struct net_device
*dev
,
199 struct switchdev_attr
*attr
)
204 static inline int switchdev_port_obj_add(struct net_device
*dev
,
205 enum switchdev_obj_id id
,
211 static inline int switchdev_port_obj_del(struct net_device
*dev
,
212 enum switchdev_obj_id id
,
218 static inline int switchdev_port_obj_dump(struct net_device
*dev
,
219 enum switchdev_obj_id id
, void *obj
,
220 int (*cb
)(void *obj
))
225 static inline int register_switchdev_notifier(struct notifier_block
*nb
)
230 static inline int unregister_switchdev_notifier(struct notifier_block
*nb
)
235 static inline int call_switchdev_notifiers(unsigned long val
,
236 struct net_device
*dev
,
237 struct switchdev_notifier_info
*info
)
242 static inline int switchdev_port_bridge_getlink(struct sk_buff
*skb
, u32 pid
,
243 u32 seq
, struct net_device
*dev
,
244 u32 filter_mask
, int nlflags
)
249 static inline int switchdev_port_bridge_setlink(struct net_device
*dev
,
250 struct nlmsghdr
*nlh
,
256 static inline int switchdev_port_bridge_dellink(struct net_device
*dev
,
257 struct nlmsghdr
*nlh
,
263 static inline int switchdev_fib_ipv4_add(u32 dst
, int dst_len
,
266 u32 nlflags
, u32 tb_id
)
271 static inline int switchdev_fib_ipv4_del(u32 dst
, int dst_len
,
273 u8 tos
, u8 type
, u32 tb_id
)
278 static inline void switchdev_fib_ipv4_abort(struct fib_info
*fi
)
282 static inline int switchdev_port_fdb_add(struct ndmsg
*ndm
, struct nlattr
*tb
[],
283 struct net_device
*dev
,
284 const unsigned char *addr
,
285 u16 vid
, u16 nlm_flags
)
290 static inline int switchdev_port_fdb_del(struct ndmsg
*ndm
, struct nlattr
*tb
[],
291 struct net_device
*dev
,
292 const unsigned char *addr
, u16 vid
)
297 static inline int switchdev_port_fdb_dump(struct sk_buff
*skb
,
298 struct netlink_callback
*cb
,
299 struct net_device
*dev
,
300 struct net_device
*filter_dev
,
306 static inline void switchdev_port_fwd_mark_set(struct net_device
*dev
,
307 struct net_device
*group_dev
,
314 #endif /* _LINUX_SWITCHDEV_H_ */