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 enum switchdev_trans_ph {
21 SWITCHDEV_TRANS_PREPARE,
22 SWITCHDEV_TRANS_ABORT,
23 SWITCHDEV_TRANS_COMMIT,
26 struct switchdev_trans_item {
27 struct list_head list;
29 void (*destructor)(const void *data);
32 struct switchdev_trans {
33 struct list_head item_list;
34 enum switchdev_trans_ph ph;
37 static inline bool switchdev_trans_ph_prepare(struct switchdev_trans *trans)
39 return trans && trans->ph == SWITCHDEV_TRANS_PREPARE;
42 static inline bool switchdev_trans_ph_commit(struct switchdev_trans *trans)
44 return trans && trans->ph == SWITCHDEV_TRANS_COMMIT;
47 enum switchdev_attr_id {
48 SWITCHDEV_ATTR_UNDEFINED,
49 SWITCHDEV_ATTR_PORT_PARENT_ID,
50 SWITCHDEV_ATTR_PORT_STP_STATE,
51 SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS,
54 struct switchdev_attr {
55 enum switchdev_attr_id id;
58 struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */
59 u8 stp_state; /* PORT_STP_STATE */
60 unsigned long brport_flags; /* PORT_BRIDGE_FLAGS */
66 enum switchdev_obj_id {
67 SWITCHDEV_OBJ_UNDEFINED,
68 SWITCHDEV_OBJ_PORT_VLAN,
69 SWITCHDEV_OBJ_IPV4_FIB,
70 SWITCHDEV_OBJ_PORT_FDB,
73 struct switchdev_obj {
74 enum switchdev_obj_id id;
75 int (*cb)(struct net_device *dev, struct switchdev_obj *obj);
77 struct switchdev_obj_vlan { /* PORT_VLAN */
82 struct switchdev_obj_ipv4_fib { /* IPV4_FIB */
91 struct switchdev_obj_fdb { /* PORT_FDB */
92 const unsigned char *addr;
99 void switchdev_trans_item_enqueue(struct switchdev_trans *trans,
100 void *data, void (*destructor)(void const *),
101 struct switchdev_trans_item *tritem);
102 void *switchdev_trans_item_dequeue(struct switchdev_trans *trans);
105 * struct switchdev_ops - switchdev operations
107 * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
109 * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
111 * @switchdev_port_obj_add: Add an object to port (see switchdev_obj).
113 * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj).
115 * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj).
117 struct switchdev_ops {
118 int (*switchdev_port_attr_get)(struct net_device *dev,
119 struct switchdev_attr *attr);
120 int (*switchdev_port_attr_set)(struct net_device *dev,
121 struct switchdev_attr *attr,
122 struct switchdev_trans *trans);
123 int (*switchdev_port_obj_add)(struct net_device *dev,
124 struct switchdev_obj *obj,
125 struct switchdev_trans *trans);
126 int (*switchdev_port_obj_del)(struct net_device *dev,
127 struct switchdev_obj *obj);
128 int (*switchdev_port_obj_dump)(struct net_device *dev,
129 struct switchdev_obj *obj);
132 enum switchdev_notifier_type {
133 SWITCHDEV_FDB_ADD = 1,
137 struct switchdev_notifier_info {
138 struct net_device *dev;
141 struct switchdev_notifier_fdb_info {
142 struct switchdev_notifier_info info; /* must be first */
143 const unsigned char *addr;
147 static inline struct net_device *
148 switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
153 #ifdef CONFIG_NET_SWITCHDEV
155 int switchdev_port_attr_get(struct net_device *dev,
156 struct switchdev_attr *attr);
157 int switchdev_port_attr_set(struct net_device *dev,
158 struct switchdev_attr *attr);
159 int switchdev_port_obj_add(struct net_device *dev, struct switchdev_obj *obj);
160 int switchdev_port_obj_del(struct net_device *dev, struct switchdev_obj *obj);
161 int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj);
162 int register_switchdev_notifier(struct notifier_block *nb);
163 int unregister_switchdev_notifier(struct notifier_block *nb);
164 int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
165 struct switchdev_notifier_info *info);
166 int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
167 struct net_device *dev, u32 filter_mask,
169 int switchdev_port_bridge_setlink(struct net_device *dev,
170 struct nlmsghdr *nlh, u16 flags);
171 int switchdev_port_bridge_dellink(struct net_device *dev,
172 struct nlmsghdr *nlh, u16 flags);
173 int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
174 u8 tos, u8 type, u32 nlflags, u32 tb_id);
175 int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
176 u8 tos, u8 type, u32 tb_id);
177 void switchdev_fib_ipv4_abort(struct fib_info *fi);
178 int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
179 struct net_device *dev, const unsigned char *addr,
180 u16 vid, u16 nlm_flags);
181 int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
182 struct net_device *dev, const unsigned char *addr,
184 int switchdev_port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
185 struct net_device *dev,
186 struct net_device *filter_dev, int idx);
187 void switchdev_port_fwd_mark_set(struct net_device *dev,
188 struct net_device *group_dev,
193 static inline int switchdev_port_attr_get(struct net_device *dev,
194 struct switchdev_attr *attr)
199 static inline int switchdev_port_attr_set(struct net_device *dev,
200 struct switchdev_attr *attr)
205 static inline int switchdev_port_obj_add(struct net_device *dev,
206 struct switchdev_obj *obj)
211 static inline int switchdev_port_obj_del(struct net_device *dev,
212 struct switchdev_obj *obj)
217 static inline int switchdev_port_obj_dump(struct net_device *dev,
218 struct switchdev_obj *obj)
223 static inline int register_switchdev_notifier(struct notifier_block *nb)
228 static inline int unregister_switchdev_notifier(struct notifier_block *nb)
233 static inline int call_switchdev_notifiers(unsigned long val,
234 struct net_device *dev,
235 struct switchdev_notifier_info *info)
240 static inline int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid,
241 u32 seq, struct net_device *dev,
242 u32 filter_mask, int nlflags)
247 static inline int switchdev_port_bridge_setlink(struct net_device *dev,
248 struct nlmsghdr *nlh,
254 static inline int switchdev_port_bridge_dellink(struct net_device *dev,
255 struct nlmsghdr *nlh,
261 static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len,
264 u32 nlflags, u32 tb_id)
269 static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len,
271 u8 tos, u8 type, u32 tb_id)
276 static inline void switchdev_fib_ipv4_abort(struct fib_info *fi)
280 static inline int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
281 struct net_device *dev,
282 const unsigned char *addr,
283 u16 vid, u16 nlm_flags)
288 static inline int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
289 struct net_device *dev,
290 const unsigned char *addr, u16 vid)
295 static inline int switchdev_port_fdb_dump(struct sk_buff *skb,
296 struct netlink_callback *cb,
297 struct net_device *dev,
298 struct net_device *filter_dev,
304 static inline void switchdev_port_fwd_mark_set(struct net_device *dev,
305 struct net_device *group_dev,
312 #endif /* _LINUX_SWITCHDEV_H_ */