2 * include/net/switchdev.h - Switch device API
3 * Copyright (c) 2014 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>
20 * struct switchdev_ops - switchdev operations
22 * @switchdev_parent_id_get: Called to get an ID of the switch chip this port
23 * is part of. If driver implements this, it indicates that it
24 * represents a port of a switch chip.
26 * @switchdev_port_stp_update: Called to notify switch device port of bridge
27 * port STP state change.
29 * @switchdev_fib_ipv4_add: Called to add/modify IPv4 route to switch device.
31 * @switchdev_fib_ipv4_del: Called to delete IPv4 route from switch device.
33 struct switchdev_ops {
34 int (*switchdev_parent_id_get)(struct net_device *dev,
35 struct netdev_phys_item_id *psid);
36 int (*switchdev_port_stp_update)(struct net_device *dev, u8 state);
37 int (*switchdev_fib_ipv4_add)(struct net_device *dev, __be32 dst,
38 int dst_len, struct fib_info *fi,
39 u8 tos, u8 type, u32 nlflags,
41 int (*switchdev_fib_ipv4_del)(struct net_device *dev, __be32 dst,
42 int dst_len, struct fib_info *fi,
43 u8 tos, u8 type, u32 tb_id);
46 enum switchdev_notifier_type {
47 SWITCHDEV_FDB_ADD = 1,
51 struct switchdev_notifier_info {
52 struct net_device *dev;
55 struct switchdev_notifier_fdb_info {
56 struct switchdev_notifier_info info; /* must be first */
57 const unsigned char *addr;
61 static inline struct net_device *
62 switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
67 #ifdef CONFIG_NET_SWITCHDEV
69 int switchdev_parent_id_get(struct net_device *dev,
70 struct netdev_phys_item_id *psid);
71 int switchdev_port_stp_update(struct net_device *dev, u8 state);
72 int register_switchdev_notifier(struct notifier_block *nb);
73 int unregister_switchdev_notifier(struct notifier_block *nb);
74 int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
75 struct switchdev_notifier_info *info);
76 int switchdev_port_bridge_setlink(struct net_device *dev,
77 struct nlmsghdr *nlh, u16 flags);
78 int switchdev_port_bridge_dellink(struct net_device *dev,
79 struct nlmsghdr *nlh, u16 flags);
80 int ndo_dflt_switchdev_port_bridge_dellink(struct net_device *dev,
81 struct nlmsghdr *nlh, u16 flags);
82 int ndo_dflt_switchdev_port_bridge_setlink(struct net_device *dev,
83 struct nlmsghdr *nlh, u16 flags);
84 int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
85 u8 tos, u8 type, u32 nlflags, u32 tb_id);
86 int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
87 u8 tos, u8 type, u32 tb_id);
88 void switchdev_fib_ipv4_abort(struct fib_info *fi);
92 static inline int switchdev_parent_id_get(struct net_device *dev,
93 struct netdev_phys_item_id *psid)
98 static inline int switchdev_port_stp_update(struct net_device *dev,
104 static inline int register_switchdev_notifier(struct notifier_block *nb)
109 static inline int unregister_switchdev_notifier(struct notifier_block *nb)
114 static inline int call_switchdev_notifiers(unsigned long val,
115 struct net_device *dev,
116 struct switchdev_notifier_info *info)
121 static inline int switchdev_port_bridge_setlink(struct net_device *dev,
122 struct nlmsghdr *nlh,
128 static inline int switchdev_port_bridge_dellink(struct net_device *dev,
129 struct nlmsghdr *nlh,
135 static inline int ndo_dflt_switchdev_port_bridge_dellink(struct net_device *dev,
136 struct nlmsghdr *nlh,
142 static inline int ndo_dflt_switchdev_port_bridge_setlink(struct net_device *dev,
143 struct nlmsghdr *nlh,
149 static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len,
152 u32 nlflags, u32 tb_id)
157 static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len,
159 u8 tos, u8 type, u32 tb_id)
164 static inline void switchdev_fib_ipv4_abort(struct fib_info *fi)
170 #endif /* _LINUX_SWITCHDEV_H_ */