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_ID_UNDEFINED
,
43 SWITCHDEV_ATTR_ID_PORT_PARENT_ID
,
44 SWITCHDEV_ATTR_ID_PORT_STP_STATE
,
45 SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS
,
46 SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME
,
49 struct switchdev_attr
{
50 enum switchdev_attr_id id
;
53 struct netdev_phys_item_id ppid
; /* PORT_PARENT_ID */
54 u8 stp_state
; /* PORT_STP_STATE */
55 unsigned long brport_flags
; /* PORT_BRIDGE_FLAGS */
56 u32 ageing_time
; /* BRIDGE_AGEING_TIME */
62 enum switchdev_obj_id
{
63 SWITCHDEV_OBJ_ID_UNDEFINED
,
64 SWITCHDEV_OBJ_ID_PORT_VLAN
,
65 SWITCHDEV_OBJ_ID_IPV4_FIB
,
66 SWITCHDEV_OBJ_ID_PORT_FDB
,
69 struct switchdev_obj
{
70 enum switchdev_obj_id id
;
73 /* SWITCHDEV_OBJ_ID_PORT_VLAN */
74 struct switchdev_obj_port_vlan
{
75 struct switchdev_obj obj
;
81 #define SWITCHDEV_OBJ_PORT_VLAN(obj) \
82 container_of(obj, struct switchdev_obj_port_vlan, obj)
84 /* SWITCHDEV_OBJ_ID_IPV4_FIB */
85 struct switchdev_obj_ipv4_fib
{
86 struct switchdev_obj obj
;
96 #define SWITCHDEV_OBJ_IPV4_FIB(obj) \
97 container_of(obj, struct switchdev_obj_ipv4_fib, obj)
99 /* SWITCHDEV_OBJ_ID_PORT_FDB */
100 struct switchdev_obj_port_fdb
{
101 struct switchdev_obj obj
;
102 const unsigned char *addr
;
107 #define SWITCHDEV_OBJ_PORT_FDB(obj) \
108 container_of(obj, struct switchdev_obj_port_fdb, obj)
110 void switchdev_trans_item_enqueue(struct switchdev_trans
*trans
,
111 void *data
, void (*destructor
)(void const *),
112 struct switchdev_trans_item
*tritem
);
113 void *switchdev_trans_item_dequeue(struct switchdev_trans
*trans
);
115 typedef int switchdev_obj_dump_cb_t(struct switchdev_obj
*obj
);
118 * struct switchdev_ops - switchdev operations
120 * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
122 * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
124 * @switchdev_port_obj_add: Add an object to port (see switchdev_obj_*).
126 * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj_*).
128 * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj_*).
130 struct switchdev_ops
{
131 int (*switchdev_port_attr_get
)(struct net_device
*dev
,
132 struct switchdev_attr
*attr
);
133 int (*switchdev_port_attr_set
)(struct net_device
*dev
,
134 struct switchdev_attr
*attr
,
135 struct switchdev_trans
*trans
);
136 int (*switchdev_port_obj_add
)(struct net_device
*dev
,
137 const struct switchdev_obj
*obj
,
138 struct switchdev_trans
*trans
);
139 int (*switchdev_port_obj_del
)(struct net_device
*dev
,
140 const struct switchdev_obj
*obj
);
141 int (*switchdev_port_obj_dump
)(struct net_device
*dev
,
142 struct switchdev_obj
*obj
,
143 switchdev_obj_dump_cb_t
*cb
);
146 enum switchdev_notifier_type
{
147 SWITCHDEV_FDB_ADD
= 1,
151 struct switchdev_notifier_info
{
152 struct net_device
*dev
;
155 struct switchdev_notifier_fdb_info
{
156 struct switchdev_notifier_info info
; /* must be first */
157 const unsigned char *addr
;
161 static inline struct net_device
*
162 switchdev_notifier_info_to_dev(const struct switchdev_notifier_info
*info
)
167 #ifdef CONFIG_NET_SWITCHDEV
169 int switchdev_port_attr_get(struct net_device
*dev
,
170 struct switchdev_attr
*attr
);
171 int switchdev_port_attr_set(struct net_device
*dev
,
172 struct switchdev_attr
*attr
);
173 int switchdev_port_obj_add(struct net_device
*dev
,
174 const struct switchdev_obj
*obj
);
175 int switchdev_port_obj_del(struct net_device
*dev
,
176 const struct switchdev_obj
*obj
);
177 int switchdev_port_obj_dump(struct net_device
*dev
, struct switchdev_obj
*obj
,
178 switchdev_obj_dump_cb_t
*cb
);
179 int register_switchdev_notifier(struct notifier_block
*nb
);
180 int unregister_switchdev_notifier(struct notifier_block
*nb
);
181 int call_switchdev_notifiers(unsigned long val
, struct net_device
*dev
,
182 struct switchdev_notifier_info
*info
);
183 int switchdev_port_bridge_getlink(struct sk_buff
*skb
, u32 pid
, u32 seq
,
184 struct net_device
*dev
, u32 filter_mask
,
186 int switchdev_port_bridge_setlink(struct net_device
*dev
,
187 struct nlmsghdr
*nlh
, u16 flags
);
188 int switchdev_port_bridge_dellink(struct net_device
*dev
,
189 struct nlmsghdr
*nlh
, u16 flags
);
190 int switchdev_fib_ipv4_add(u32 dst
, int dst_len
, struct fib_info
*fi
,
191 u8 tos
, u8 type
, u32 nlflags
, u32 tb_id
);
192 int switchdev_fib_ipv4_del(u32 dst
, int dst_len
, struct fib_info
*fi
,
193 u8 tos
, u8 type
, u32 tb_id
);
194 void switchdev_fib_ipv4_abort(struct fib_info
*fi
);
195 int switchdev_port_fdb_add(struct ndmsg
*ndm
, struct nlattr
*tb
[],
196 struct net_device
*dev
, const unsigned char *addr
,
197 u16 vid
, u16 nlm_flags
);
198 int switchdev_port_fdb_del(struct ndmsg
*ndm
, struct nlattr
*tb
[],
199 struct net_device
*dev
, const unsigned char *addr
,
201 int switchdev_port_fdb_dump(struct sk_buff
*skb
, struct netlink_callback
*cb
,
202 struct net_device
*dev
,
203 struct net_device
*filter_dev
, int idx
);
204 void switchdev_port_fwd_mark_set(struct net_device
*dev
,
205 struct net_device
*group_dev
,
210 static inline int switchdev_port_attr_get(struct net_device
*dev
,
211 struct switchdev_attr
*attr
)
216 static inline int switchdev_port_attr_set(struct net_device
*dev
,
217 struct switchdev_attr
*attr
)
222 static inline int switchdev_port_obj_add(struct net_device
*dev
,
223 const struct switchdev_obj
*obj
)
228 static inline int switchdev_port_obj_del(struct net_device
*dev
,
229 const struct switchdev_obj
*obj
)
234 static inline int switchdev_port_obj_dump(struct net_device
*dev
,
235 const struct switchdev_obj
*obj
,
236 switchdev_obj_dump_cb_t
*cb
)
241 static inline int register_switchdev_notifier(struct notifier_block
*nb
)
246 static inline int unregister_switchdev_notifier(struct notifier_block
*nb
)
251 static inline int call_switchdev_notifiers(unsigned long val
,
252 struct net_device
*dev
,
253 struct switchdev_notifier_info
*info
)
258 static inline int switchdev_port_bridge_getlink(struct sk_buff
*skb
, u32 pid
,
259 u32 seq
, struct net_device
*dev
,
260 u32 filter_mask
, int nlflags
)
265 static inline int switchdev_port_bridge_setlink(struct net_device
*dev
,
266 struct nlmsghdr
*nlh
,
272 static inline int switchdev_port_bridge_dellink(struct net_device
*dev
,
273 struct nlmsghdr
*nlh
,
279 static inline int switchdev_fib_ipv4_add(u32 dst
, int dst_len
,
282 u32 nlflags
, u32 tb_id
)
287 static inline int switchdev_fib_ipv4_del(u32 dst
, int dst_len
,
289 u8 tos
, u8 type
, u32 tb_id
)
294 static inline void switchdev_fib_ipv4_abort(struct fib_info
*fi
)
298 static inline int switchdev_port_fdb_add(struct ndmsg
*ndm
, struct nlattr
*tb
[],
299 struct net_device
*dev
,
300 const unsigned char *addr
,
301 u16 vid
, u16 nlm_flags
)
306 static inline int switchdev_port_fdb_del(struct ndmsg
*ndm
, struct nlattr
*tb
[],
307 struct net_device
*dev
,
308 const unsigned char *addr
, u16 vid
)
313 static inline int switchdev_port_fdb_dump(struct sk_buff
*skb
,
314 struct netlink_callback
*cb
,
315 struct net_device
*dev
,
316 struct net_device
*filter_dev
,
322 static inline void switchdev_port_fwd_mark_set(struct net_device
*dev
,
323 struct net_device
*group_dev
,
330 #endif /* _LINUX_SWITCHDEV_H_ */