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)
19 #define SWITCHDEV_F_SKIP_EOPNOTSUPP BIT(1)
21 struct switchdev_trans_item
{
22 struct list_head list
;
24 void (*destructor
)(const void *data
);
27 struct switchdev_trans
{
28 struct list_head item_list
;
32 static inline bool switchdev_trans_ph_prepare(struct switchdev_trans
*trans
)
34 return trans
&& trans
->ph_prepare
;
37 static inline bool switchdev_trans_ph_commit(struct switchdev_trans
*trans
)
39 return trans
&& !trans
->ph_prepare
;
42 enum switchdev_attr_id
{
43 SWITCHDEV_ATTR_ID_UNDEFINED
,
44 SWITCHDEV_ATTR_ID_PORT_PARENT_ID
,
45 SWITCHDEV_ATTR_ID_PORT_STP_STATE
,
46 SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS
,
47 SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME
,
50 struct switchdev_attr
{
51 enum switchdev_attr_id id
;
54 struct netdev_phys_item_id ppid
; /* PORT_PARENT_ID */
55 u8 stp_state
; /* PORT_STP_STATE */
56 unsigned long brport_flags
; /* PORT_BRIDGE_FLAGS */
57 u32 ageing_time
; /* BRIDGE_AGEING_TIME */
63 enum switchdev_obj_id
{
64 SWITCHDEV_OBJ_ID_UNDEFINED
,
65 SWITCHDEV_OBJ_ID_PORT_VLAN
,
66 SWITCHDEV_OBJ_ID_IPV4_FIB
,
67 SWITCHDEV_OBJ_ID_PORT_FDB
,
70 struct switchdev_obj
{
71 enum switchdev_obj_id id
;
74 /* SWITCHDEV_OBJ_ID_PORT_VLAN */
75 struct switchdev_obj_port_vlan
{
76 struct switchdev_obj obj
;
82 #define SWITCHDEV_OBJ_PORT_VLAN(obj) \
83 container_of(obj, struct switchdev_obj_port_vlan, obj)
85 /* SWITCHDEV_OBJ_ID_IPV4_FIB */
86 struct switchdev_obj_ipv4_fib
{
87 struct switchdev_obj obj
;
97 #define SWITCHDEV_OBJ_IPV4_FIB(obj) \
98 container_of(obj, struct switchdev_obj_ipv4_fib, obj)
100 /* SWITCHDEV_OBJ_ID_PORT_FDB */
101 struct switchdev_obj_port_fdb
{
102 struct switchdev_obj obj
;
103 const unsigned char *addr
;
108 #define SWITCHDEV_OBJ_PORT_FDB(obj) \
109 container_of(obj, struct switchdev_obj_port_fdb, obj)
111 void switchdev_trans_item_enqueue(struct switchdev_trans
*trans
,
112 void *data
, void (*destructor
)(void const *),
113 struct switchdev_trans_item
*tritem
);
114 void *switchdev_trans_item_dequeue(struct switchdev_trans
*trans
);
116 typedef int switchdev_obj_dump_cb_t(struct switchdev_obj
*obj
);
119 * struct switchdev_ops - switchdev operations
121 * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
123 * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
125 * @switchdev_port_obj_add: Add an object to port (see switchdev_obj_*).
127 * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj_*).
129 * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj_*).
131 struct switchdev_ops
{
132 int (*switchdev_port_attr_get
)(struct net_device
*dev
,
133 struct switchdev_attr
*attr
);
134 int (*switchdev_port_attr_set
)(struct net_device
*dev
,
135 struct switchdev_attr
*attr
,
136 struct switchdev_trans
*trans
);
137 int (*switchdev_port_obj_add
)(struct net_device
*dev
,
138 const struct switchdev_obj
*obj
,
139 struct switchdev_trans
*trans
);
140 int (*switchdev_port_obj_del
)(struct net_device
*dev
,
141 const struct switchdev_obj
*obj
);
142 int (*switchdev_port_obj_dump
)(struct net_device
*dev
,
143 struct switchdev_obj
*obj
,
144 switchdev_obj_dump_cb_t
*cb
);
147 enum switchdev_notifier_type
{
148 SWITCHDEV_FDB_ADD
= 1,
152 struct switchdev_notifier_info
{
153 struct net_device
*dev
;
156 struct switchdev_notifier_fdb_info
{
157 struct switchdev_notifier_info info
; /* must be first */
158 const unsigned char *addr
;
162 static inline struct net_device
*
163 switchdev_notifier_info_to_dev(const struct switchdev_notifier_info
*info
)
168 #ifdef CONFIG_NET_SWITCHDEV
170 int switchdev_port_attr_get(struct net_device
*dev
,
171 struct switchdev_attr
*attr
);
172 int switchdev_port_attr_set(struct net_device
*dev
,
173 struct switchdev_attr
*attr
);
174 int switchdev_port_obj_add(struct net_device
*dev
,
175 const struct switchdev_obj
*obj
);
176 int switchdev_port_obj_del(struct net_device
*dev
,
177 const struct switchdev_obj
*obj
);
178 int switchdev_port_obj_dump(struct net_device
*dev
, struct switchdev_obj
*obj
,
179 switchdev_obj_dump_cb_t
*cb
);
180 int register_switchdev_notifier(struct notifier_block
*nb
);
181 int unregister_switchdev_notifier(struct notifier_block
*nb
);
182 int call_switchdev_notifiers(unsigned long val
, struct net_device
*dev
,
183 struct switchdev_notifier_info
*info
);
184 int switchdev_port_bridge_getlink(struct sk_buff
*skb
, u32 pid
, u32 seq
,
185 struct net_device
*dev
, u32 filter_mask
,
187 int switchdev_port_bridge_setlink(struct net_device
*dev
,
188 struct nlmsghdr
*nlh
, u16 flags
);
189 int switchdev_port_bridge_dellink(struct net_device
*dev
,
190 struct nlmsghdr
*nlh
, u16 flags
);
191 int switchdev_fib_ipv4_add(u32 dst
, int dst_len
, struct fib_info
*fi
,
192 u8 tos
, u8 type
, u32 nlflags
, u32 tb_id
);
193 int switchdev_fib_ipv4_del(u32 dst
, int dst_len
, struct fib_info
*fi
,
194 u8 tos
, u8 type
, u32 tb_id
);
195 void switchdev_fib_ipv4_abort(struct fib_info
*fi
);
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
,
211 static inline int switchdev_port_attr_get(struct net_device
*dev
,
212 struct switchdev_attr
*attr
)
217 static inline int switchdev_port_attr_set(struct net_device
*dev
,
218 struct switchdev_attr
*attr
)
223 static inline int switchdev_port_obj_add(struct net_device
*dev
,
224 const struct switchdev_obj
*obj
)
229 static inline int switchdev_port_obj_del(struct net_device
*dev
,
230 const struct switchdev_obj
*obj
)
235 static inline int switchdev_port_obj_dump(struct net_device
*dev
,
236 const struct switchdev_obj
*obj
,
237 switchdev_obj_dump_cb_t
*cb
)
242 static inline int register_switchdev_notifier(struct notifier_block
*nb
)
247 static inline int unregister_switchdev_notifier(struct notifier_block
*nb
)
252 static inline int call_switchdev_notifiers(unsigned long val
,
253 struct net_device
*dev
,
254 struct switchdev_notifier_info
*info
)
259 static inline int switchdev_port_bridge_getlink(struct sk_buff
*skb
, u32 pid
,
260 u32 seq
, struct net_device
*dev
,
261 u32 filter_mask
, int nlflags
)
266 static inline int switchdev_port_bridge_setlink(struct net_device
*dev
,
267 struct nlmsghdr
*nlh
,
273 static inline int switchdev_port_bridge_dellink(struct net_device
*dev
,
274 struct nlmsghdr
*nlh
,
280 static inline int switchdev_fib_ipv4_add(u32 dst
, int dst_len
,
283 u32 nlflags
, u32 tb_id
)
288 static inline int switchdev_fib_ipv4_del(u32 dst
, int dst_len
,
290 u8 tos
, u8 type
, u32 tb_id
)
295 static inline void switchdev_fib_ipv4_abort(struct fib_info
*fi
)
299 static inline int switchdev_port_fdb_add(struct ndmsg
*ndm
, struct nlattr
*tb
[],
300 struct net_device
*dev
,
301 const unsigned char *addr
,
302 u16 vid
, u16 nlm_flags
)
307 static inline int switchdev_port_fdb_del(struct ndmsg
*ndm
, struct nlattr
*tb
[],
308 struct net_device
*dev
,
309 const unsigned char *addr
, u16 vid
)
314 static inline int switchdev_port_fdb_dump(struct sk_buff
*skb
,
315 struct netlink_callback
*cb
,
316 struct net_device
*dev
,
317 struct net_device
*filter_dev
,
323 static inline void switchdev_port_fwd_mark_set(struct net_device
*dev
,
324 struct net_device
*group_dev
,
331 #endif /* _LINUX_SWITCHDEV_H_ */