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>
17 #include <net/ip_fib.h>
19 #define SWITCHDEV_F_NO_RECURSE BIT(0)
20 #define SWITCHDEV_F_SKIP_EOPNOTSUPP BIT(1)
21 #define SWITCHDEV_F_DEFER BIT(2)
23 struct switchdev_trans_item
{
24 struct list_head list
;
26 void (*destructor
)(const void *data
);
29 struct switchdev_trans
{
30 struct list_head item_list
;
34 static inline bool switchdev_trans_ph_prepare(struct switchdev_trans
*trans
)
36 return trans
&& trans
->ph_prepare
;
39 static inline bool switchdev_trans_ph_commit(struct switchdev_trans
*trans
)
41 return trans
&& !trans
->ph_prepare
;
44 enum switchdev_attr_id
{
45 SWITCHDEV_ATTR_ID_UNDEFINED
,
46 SWITCHDEV_ATTR_ID_PORT_PARENT_ID
,
47 SWITCHDEV_ATTR_ID_PORT_STP_STATE
,
48 SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS
,
49 SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME
,
50 SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING
,
53 struct switchdev_attr
{
54 struct net_device
*orig_dev
;
55 enum switchdev_attr_id id
;
58 void (*complete
)(struct net_device
*dev
, int err
, void *priv
);
60 struct netdev_phys_item_id ppid
; /* PORT_PARENT_ID */
61 u8 stp_state
; /* PORT_STP_STATE */
62 unsigned long brport_flags
; /* PORT_BRIDGE_FLAGS */
63 clock_t ageing_time
; /* BRIDGE_AGEING_TIME */
64 bool vlan_filtering
; /* BRIDGE_VLAN_FILTERING */
68 enum switchdev_obj_id
{
69 SWITCHDEV_OBJ_ID_UNDEFINED
,
70 SWITCHDEV_OBJ_ID_PORT_VLAN
,
71 SWITCHDEV_OBJ_ID_PORT_FDB
,
72 SWITCHDEV_OBJ_ID_PORT_MDB
,
75 struct switchdev_obj
{
76 struct net_device
*orig_dev
;
77 enum switchdev_obj_id id
;
80 void (*complete
)(struct net_device
*dev
, int err
, void *priv
);
83 /* SWITCHDEV_OBJ_ID_PORT_VLAN */
84 struct switchdev_obj_port_vlan
{
85 struct switchdev_obj obj
;
91 #define SWITCHDEV_OBJ_PORT_VLAN(obj) \
92 container_of(obj, struct switchdev_obj_port_vlan, obj)
94 /* SWITCHDEV_OBJ_ID_PORT_FDB */
95 struct switchdev_obj_port_fdb
{
96 struct switchdev_obj obj
;
97 unsigned char addr
[ETH_ALEN
];
102 #define SWITCHDEV_OBJ_PORT_FDB(obj) \
103 container_of(obj, struct switchdev_obj_port_fdb, obj)
105 /* SWITCHDEV_OBJ_ID_PORT_MDB */
106 struct switchdev_obj_port_mdb
{
107 struct switchdev_obj obj
;
108 unsigned char addr
[ETH_ALEN
];
112 #define SWITCHDEV_OBJ_PORT_MDB(obj) \
113 container_of(obj, struct switchdev_obj_port_mdb, obj)
115 void switchdev_trans_item_enqueue(struct switchdev_trans
*trans
,
116 void *data
, void (*destructor
)(void const *),
117 struct switchdev_trans_item
*tritem
);
118 void *switchdev_trans_item_dequeue(struct switchdev_trans
*trans
);
120 typedef int switchdev_obj_dump_cb_t(struct switchdev_obj
*obj
);
123 * struct switchdev_ops - switchdev operations
125 * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
127 * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
129 * @switchdev_port_obj_add: Add an object to port (see switchdev_obj_*).
131 * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj_*).
133 * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj_*).
135 struct switchdev_ops
{
136 int (*switchdev_port_attr_get
)(struct net_device
*dev
,
137 struct switchdev_attr
*attr
);
138 int (*switchdev_port_attr_set
)(struct net_device
*dev
,
139 const struct switchdev_attr
*attr
,
140 struct switchdev_trans
*trans
);
141 int (*switchdev_port_obj_add
)(struct net_device
*dev
,
142 const struct switchdev_obj
*obj
,
143 struct switchdev_trans
*trans
);
144 int (*switchdev_port_obj_del
)(struct net_device
*dev
,
145 const struct switchdev_obj
*obj
);
146 int (*switchdev_port_obj_dump
)(struct net_device
*dev
,
147 struct switchdev_obj
*obj
,
148 switchdev_obj_dump_cb_t
*cb
);
151 enum switchdev_notifier_type
{
152 SWITCHDEV_FDB_ADD
= 1,
156 struct switchdev_notifier_info
{
157 struct net_device
*dev
;
160 struct switchdev_notifier_fdb_info
{
161 struct switchdev_notifier_info info
; /* must be first */
162 const unsigned char *addr
;
166 static inline struct net_device
*
167 switchdev_notifier_info_to_dev(const struct switchdev_notifier_info
*info
)
172 #ifdef CONFIG_NET_SWITCHDEV
174 void switchdev_deferred_process(void);
175 int switchdev_port_attr_get(struct net_device
*dev
,
176 struct switchdev_attr
*attr
);
177 int switchdev_port_attr_set(struct net_device
*dev
,
178 const struct switchdev_attr
*attr
);
179 int switchdev_port_obj_add(struct net_device
*dev
,
180 const struct switchdev_obj
*obj
);
181 int switchdev_port_obj_del(struct net_device
*dev
,
182 const struct switchdev_obj
*obj
);
183 int switchdev_port_obj_dump(struct net_device
*dev
, struct switchdev_obj
*obj
,
184 switchdev_obj_dump_cb_t
*cb
);
185 int register_switchdev_notifier(struct notifier_block
*nb
);
186 int unregister_switchdev_notifier(struct notifier_block
*nb
);
187 int call_switchdev_notifiers(unsigned long val
, struct net_device
*dev
,
188 struct switchdev_notifier_info
*info
);
189 int switchdev_port_bridge_getlink(struct sk_buff
*skb
, u32 pid
, u32 seq
,
190 struct net_device
*dev
, u32 filter_mask
,
192 int switchdev_port_bridge_setlink(struct net_device
*dev
,
193 struct nlmsghdr
*nlh
, u16 flags
);
194 int switchdev_port_bridge_dellink(struct net_device
*dev
,
195 struct nlmsghdr
*nlh
, u16 flags
);
196 int switchdev_port_fdb_add(struct ndmsg
*ndm
, struct nlattr
*tb
[],
197 struct net_device
*dev
, const unsigned char *addr
,
198 u16 vid
, u16 nlm_flags
);
199 int switchdev_port_fdb_del(struct ndmsg
*ndm
, struct nlattr
*tb
[],
200 struct net_device
*dev
, const unsigned char *addr
,
202 int switchdev_port_fdb_dump(struct sk_buff
*skb
, struct netlink_callback
*cb
,
203 struct net_device
*dev
,
204 struct net_device
*filter_dev
, int *idx
);
205 void switchdev_port_fwd_mark_set(struct net_device
*dev
,
206 struct net_device
*group_dev
,
209 bool switchdev_port_same_parent_id(struct net_device
*a
,
210 struct net_device
*b
);
213 static inline void switchdev_deferred_process(void)
217 static inline int switchdev_port_attr_get(struct net_device
*dev
,
218 struct switchdev_attr
*attr
)
223 static inline int switchdev_port_attr_set(struct net_device
*dev
,
224 const struct switchdev_attr
*attr
)
229 static inline int switchdev_port_obj_add(struct net_device
*dev
,
230 const struct switchdev_obj
*obj
)
235 static inline int switchdev_port_obj_del(struct net_device
*dev
,
236 const struct switchdev_obj
*obj
)
241 static inline int switchdev_port_obj_dump(struct net_device
*dev
,
242 const struct switchdev_obj
*obj
,
243 switchdev_obj_dump_cb_t
*cb
)
248 static inline int register_switchdev_notifier(struct notifier_block
*nb
)
253 static inline int unregister_switchdev_notifier(struct notifier_block
*nb
)
258 static inline int call_switchdev_notifiers(unsigned long val
,
259 struct net_device
*dev
,
260 struct switchdev_notifier_info
*info
)
265 static inline int switchdev_port_bridge_getlink(struct sk_buff
*skb
, u32 pid
,
266 u32 seq
, struct net_device
*dev
,
267 u32 filter_mask
, int nlflags
)
272 static inline int switchdev_port_bridge_setlink(struct net_device
*dev
,
273 struct nlmsghdr
*nlh
,
279 static inline int switchdev_port_bridge_dellink(struct net_device
*dev
,
280 struct nlmsghdr
*nlh
,
286 static inline int switchdev_port_fdb_add(struct ndmsg
*ndm
, struct nlattr
*tb
[],
287 struct net_device
*dev
,
288 const unsigned char *addr
,
289 u16 vid
, u16 nlm_flags
)
294 static inline int switchdev_port_fdb_del(struct ndmsg
*ndm
, struct nlattr
*tb
[],
295 struct net_device
*dev
,
296 const unsigned char *addr
, u16 vid
)
301 static inline int switchdev_port_fdb_dump(struct sk_buff
*skb
,
302 struct netlink_callback
*cb
,
303 struct net_device
*dev
,
304 struct net_device
*filter_dev
,
310 static inline bool switchdev_port_same_parent_id(struct net_device
*a
,
311 struct net_device
*b
)
318 #endif /* _LINUX_SWITCHDEV_H_ */