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 {
70 /* SWITCHDEV_OBJ_ID_PORT_VLAN */
71 struct switchdev_obj_port_vlan {
72 struct switchdev_obj obj;
78 #define SWITCHDEV_OBJ_PORT_VLAN(obj) \
79 container_of(obj, struct switchdev_obj_port_vlan, obj)
81 /* SWITCHDEV_OBJ_ID_IPV4_FIB */
82 struct switchdev_obj_ipv4_fib {
83 struct switchdev_obj obj;
93 #define SWITCHDEV_OBJ_IPV4_FIB(obj) \
94 container_of(obj, struct switchdev_obj_ipv4_fib, obj)
96 /* SWITCHDEV_OBJ_ID_PORT_FDB */
97 struct switchdev_obj_port_fdb {
98 struct switchdev_obj obj;
99 const unsigned char *addr;
104 #define SWITCHDEV_OBJ_PORT_FDB(obj) \
105 container_of(obj, struct switchdev_obj_port_fdb, obj)
107 void switchdev_trans_item_enqueue(struct switchdev_trans *trans,
108 void *data, void (*destructor)(void const *),
109 struct switchdev_trans_item *tritem);
110 void *switchdev_trans_item_dequeue(struct switchdev_trans *trans);
112 typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);
115 * struct switchdev_ops - switchdev operations
117 * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
119 * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
121 * @switchdev_port_obj_add: Add an object to port (see switchdev_obj_*).
123 * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj_*).
125 * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj_*).
127 struct switchdev_ops {
128 int (*switchdev_port_attr_get)(struct net_device *dev,
129 struct switchdev_attr *attr);
130 int (*switchdev_port_attr_set)(struct net_device *dev,
131 struct switchdev_attr *attr,
132 struct switchdev_trans *trans);
133 int (*switchdev_port_obj_add)(struct net_device *dev,
134 enum switchdev_obj_id id,
135 const struct switchdev_obj *obj,
136 struct switchdev_trans *trans);
137 int (*switchdev_port_obj_del)(struct net_device *dev,
138 enum switchdev_obj_id id,
139 const struct switchdev_obj *obj);
140 int (*switchdev_port_obj_dump)(struct net_device *dev,
141 enum switchdev_obj_id id,
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, enum switchdev_obj_id id,
174 const struct switchdev_obj *obj);
175 int switchdev_port_obj_del(struct net_device *dev, enum switchdev_obj_id id,
176 const struct switchdev_obj *obj);
177 int switchdev_port_obj_dump(struct net_device *dev, enum switchdev_obj_id id,
178 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 enum switchdev_obj_id id,
225 const struct switchdev_obj *obj)
230 static inline int switchdev_port_obj_del(struct net_device *dev,
231 enum switchdev_obj_id id,
232 const struct switchdev_obj *obj)
237 static inline int switchdev_port_obj_dump(struct net_device *dev,
238 enum switchdev_obj_id id,
239 const struct switchdev_obj *obj,
240 switchdev_obj_dump_cb_t *cb)
245 static inline int register_switchdev_notifier(struct notifier_block *nb)
250 static inline int unregister_switchdev_notifier(struct notifier_block *nb)
255 static inline int call_switchdev_notifiers(unsigned long val,
256 struct net_device *dev,
257 struct switchdev_notifier_info *info)
262 static inline int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid,
263 u32 seq, struct net_device *dev,
264 u32 filter_mask, int nlflags)
269 static inline int switchdev_port_bridge_setlink(struct net_device *dev,
270 struct nlmsghdr *nlh,
276 static inline int switchdev_port_bridge_dellink(struct net_device *dev,
277 struct nlmsghdr *nlh,
283 static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len,
286 u32 nlflags, u32 tb_id)
291 static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len,
293 u8 tos, u8 type, u32 tb_id)
298 static inline void switchdev_fib_ipv4_abort(struct fib_info *fi)
302 static inline int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
303 struct net_device *dev,
304 const unsigned char *addr,
305 u16 vid, u16 nlm_flags)
310 static inline int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
311 struct net_device *dev,
312 const unsigned char *addr, u16 vid)
317 static inline int switchdev_port_fdb_dump(struct sk_buff *skb,
318 struct netlink_callback *cb,
319 struct net_device *dev,
320 struct net_device *filter_dev,
326 static inline void switchdev_port_fwd_mark_set(struct net_device *dev,
327 struct net_device *group_dev,
334 #endif /* _LINUX_SWITCHDEV_H_ */