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_ */