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,
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_ID_UNDEFINED,
62 SWITCHDEV_OBJ_ID_PORT_VLAN,
63 SWITCHDEV_OBJ_ID_IPV4_FIB,
64 SWITCHDEV_OBJ_ID_PORT_FDB,
67 struct switchdev_obj {
68 enum switchdev_obj_id id;
71 /* SWITCHDEV_OBJ_ID_PORT_VLAN */
72 struct switchdev_obj_port_vlan {
73 struct switchdev_obj obj;
79 #define SWITCHDEV_OBJ_PORT_VLAN(obj) \
80 container_of(obj, struct switchdev_obj_port_vlan, obj)
82 /* SWITCHDEV_OBJ_ID_IPV4_FIB */
83 struct switchdev_obj_ipv4_fib {
84 struct switchdev_obj obj;
94 #define SWITCHDEV_OBJ_IPV4_FIB(obj) \
95 container_of(obj, struct switchdev_obj_ipv4_fib, obj)
97 /* SWITCHDEV_OBJ_ID_PORT_FDB */
98 struct switchdev_obj_port_fdb {
99 struct switchdev_obj obj;
100 const unsigned char *addr;
105 #define SWITCHDEV_OBJ_PORT_FDB(obj) \
106 container_of(obj, struct switchdev_obj_port_fdb, obj)
108 void switchdev_trans_item_enqueue(struct switchdev_trans *trans,
109 void *data, void (*destructor)(void const *),
110 struct switchdev_trans_item *tritem);
111 void *switchdev_trans_item_dequeue(struct switchdev_trans *trans);
113 typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);
116 * struct switchdev_ops - switchdev operations
118 * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
120 * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
122 * @switchdev_port_obj_add: Add an object to port (see switchdev_obj_*).
124 * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj_*).
126 * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj_*).
128 struct switchdev_ops {
129 int (*switchdev_port_attr_get)(struct net_device *dev,
130 struct switchdev_attr *attr);
131 int (*switchdev_port_attr_set)(struct net_device *dev,
132 struct switchdev_attr *attr,
133 struct switchdev_trans *trans);
134 int (*switchdev_port_obj_add)(struct net_device *dev,
135 const struct switchdev_obj *obj,
136 struct switchdev_trans *trans);
137 int (*switchdev_port_obj_del)(struct net_device *dev,
138 const struct switchdev_obj *obj);
139 int (*switchdev_port_obj_dump)(struct net_device *dev,
140 struct switchdev_obj *obj,
141 switchdev_obj_dump_cb_t *cb);
144 enum switchdev_notifier_type {
145 SWITCHDEV_FDB_ADD = 1,
149 struct switchdev_notifier_info {
150 struct net_device *dev;
153 struct switchdev_notifier_fdb_info {
154 struct switchdev_notifier_info info; /* must be first */
155 const unsigned char *addr;
159 static inline struct net_device *
160 switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
165 #ifdef CONFIG_NET_SWITCHDEV
167 int switchdev_port_attr_get(struct net_device *dev,
168 struct switchdev_attr *attr);
169 int switchdev_port_attr_set(struct net_device *dev,
170 struct switchdev_attr *attr);
171 int switchdev_port_obj_add(struct net_device *dev,
172 const struct switchdev_obj *obj);
173 int switchdev_port_obj_del(struct net_device *dev,
174 const struct switchdev_obj *obj);
175 int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj,
176 switchdev_obj_dump_cb_t *cb);
177 int register_switchdev_notifier(struct notifier_block *nb);
178 int unregister_switchdev_notifier(struct notifier_block *nb);
179 int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
180 struct switchdev_notifier_info *info);
181 int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
182 struct net_device *dev, u32 filter_mask,
184 int switchdev_port_bridge_setlink(struct net_device *dev,
185 struct nlmsghdr *nlh, u16 flags);
186 int switchdev_port_bridge_dellink(struct net_device *dev,
187 struct nlmsghdr *nlh, u16 flags);
188 int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
189 u8 tos, u8 type, u32 nlflags, u32 tb_id);
190 int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
191 u8 tos, u8 type, u32 tb_id);
192 void switchdev_fib_ipv4_abort(struct fib_info *fi);
193 int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
194 struct net_device *dev, const unsigned char *addr,
195 u16 vid, u16 nlm_flags);
196 int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
197 struct net_device *dev, const unsigned char *addr,
199 int switchdev_port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
200 struct net_device *dev,
201 struct net_device *filter_dev, int idx);
202 void switchdev_port_fwd_mark_set(struct net_device *dev,
203 struct net_device *group_dev,
208 static inline int switchdev_port_attr_get(struct net_device *dev,
209 struct switchdev_attr *attr)
214 static inline int switchdev_port_attr_set(struct net_device *dev,
215 struct switchdev_attr *attr)
220 static inline int switchdev_port_obj_add(struct net_device *dev,
221 const struct switchdev_obj *obj)
226 static inline int switchdev_port_obj_del(struct net_device *dev,
227 const struct switchdev_obj *obj)
232 static inline int switchdev_port_obj_dump(struct net_device *dev,
233 const struct switchdev_obj *obj,
234 switchdev_obj_dump_cb_t *cb)
239 static inline int register_switchdev_notifier(struct notifier_block *nb)
244 static inline int unregister_switchdev_notifier(struct notifier_block *nb)
249 static inline int call_switchdev_notifiers(unsigned long val,
250 struct net_device *dev,
251 struct switchdev_notifier_info *info)
256 static inline int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid,
257 u32 seq, struct net_device *dev,
258 u32 filter_mask, int nlflags)
263 static inline int switchdev_port_bridge_setlink(struct net_device *dev,
264 struct nlmsghdr *nlh,
270 static inline int switchdev_port_bridge_dellink(struct net_device *dev,
271 struct nlmsghdr *nlh,
277 static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len,
280 u32 nlflags, u32 tb_id)
285 static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len,
287 u8 tos, u8 type, u32 tb_id)
292 static inline void switchdev_fib_ipv4_abort(struct fib_info *fi)
296 static inline int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
297 struct net_device *dev,
298 const unsigned char *addr,
299 u16 vid, u16 nlm_flags)
304 static inline int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
305 struct net_device *dev,
306 const unsigned char *addr, u16 vid)
311 static inline int switchdev_port_fdb_dump(struct sk_buff *skb,
312 struct netlink_callback *cb,
313 struct net_device *dev,
314 struct net_device *filter_dev,
320 static inline void switchdev_port_fwd_mark_set(struct net_device *dev,
321 struct net_device *group_dev,
328 #endif /* _LINUX_SWITCHDEV_H_ */