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>
17 #define SWITCHDEV_F_NO_RECURSE BIT(0)
19 enum switchdev_trans {
21 SWITCHDEV_TRANS_PREPARE,
22 SWITCHDEV_TRANS_ABORT,
23 SWITCHDEV_TRANS_COMMIT,
26 enum switchdev_attr_id {
27 SWITCHDEV_ATTR_UNDEFINED,
30 struct switchdev_attr {
31 enum switchdev_attr_id id;
32 enum switchdev_trans trans;
39 * struct switchdev_ops - switchdev operations
41 * @switchdev_parent_id_get: Called to get an ID of the switch chip this port
42 * is part of. If driver implements this, it indicates that it
43 * represents a port of a switch chip.
45 * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
47 * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
49 * @switchdev_port_stp_update: Called to notify switch device port of bridge
50 * port STP state change.
52 * @switchdev_fib_ipv4_add: Called to add/modify IPv4 route to switch device.
54 * @switchdev_fib_ipv4_del: Called to delete IPv4 route from switch device.
56 struct switchdev_ops {
57 int (*switchdev_parent_id_get)(struct net_device *dev,
58 struct netdev_phys_item_id *psid);
59 int (*switchdev_port_attr_get)(struct net_device *dev,
60 struct switchdev_attr *attr);
61 int (*switchdev_port_attr_set)(struct net_device *dev,
62 struct switchdev_attr *attr);
63 int (*switchdev_port_stp_update)(struct net_device *dev, u8 state);
64 int (*switchdev_fib_ipv4_add)(struct net_device *dev, __be32 dst,
65 int dst_len, struct fib_info *fi,
66 u8 tos, u8 type, u32 nlflags,
68 int (*switchdev_fib_ipv4_del)(struct net_device *dev, __be32 dst,
69 int dst_len, struct fib_info *fi,
70 u8 tos, u8 type, u32 tb_id);
73 enum switchdev_notifier_type {
74 SWITCHDEV_FDB_ADD = 1,
78 struct switchdev_notifier_info {
79 struct net_device *dev;
82 struct switchdev_notifier_fdb_info {
83 struct switchdev_notifier_info info; /* must be first */
84 const unsigned char *addr;
88 static inline struct net_device *
89 switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
94 #ifdef CONFIG_NET_SWITCHDEV
96 int switchdev_parent_id_get(struct net_device *dev,
97 struct netdev_phys_item_id *psid);
98 int switchdev_port_attr_get(struct net_device *dev,
99 struct switchdev_attr *attr);
100 int switchdev_port_attr_set(struct net_device *dev,
101 struct switchdev_attr *attr);
102 int switchdev_port_stp_update(struct net_device *dev, u8 state);
103 int register_switchdev_notifier(struct notifier_block *nb);
104 int unregister_switchdev_notifier(struct notifier_block *nb);
105 int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
106 struct switchdev_notifier_info *info);
107 int switchdev_port_bridge_setlink(struct net_device *dev,
108 struct nlmsghdr *nlh, u16 flags);
109 int switchdev_port_bridge_dellink(struct net_device *dev,
110 struct nlmsghdr *nlh, u16 flags);
111 int ndo_dflt_switchdev_port_bridge_dellink(struct net_device *dev,
112 struct nlmsghdr *nlh, u16 flags);
113 int ndo_dflt_switchdev_port_bridge_setlink(struct net_device *dev,
114 struct nlmsghdr *nlh, u16 flags);
115 int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
116 u8 tos, u8 type, u32 nlflags, u32 tb_id);
117 int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
118 u8 tos, u8 type, u32 tb_id);
119 void switchdev_fib_ipv4_abort(struct fib_info *fi);
123 static inline int switchdev_parent_id_get(struct net_device *dev,
124 struct netdev_phys_item_id *psid)
129 static inline int switchdev_port_attr_get(struct net_device *dev,
130 struct switchdev_attr *attr)
135 static inline int switchdev_port_attr_set(struct net_device *dev,
136 struct switchdev_attr *attr)
141 static inline int switchdev_port_stp_update(struct net_device *dev,
147 static inline int register_switchdev_notifier(struct notifier_block *nb)
152 static inline int unregister_switchdev_notifier(struct notifier_block *nb)
157 static inline int call_switchdev_notifiers(unsigned long val,
158 struct net_device *dev,
159 struct switchdev_notifier_info *info)
164 static inline int switchdev_port_bridge_setlink(struct net_device *dev,
165 struct nlmsghdr *nlh,
171 static inline int switchdev_port_bridge_dellink(struct net_device *dev,
172 struct nlmsghdr *nlh,
178 static inline int ndo_dflt_switchdev_port_bridge_dellink(struct net_device *dev,
179 struct nlmsghdr *nlh,
185 static inline int ndo_dflt_switchdev_port_bridge_setlink(struct net_device *dev,
186 struct nlmsghdr *nlh,
192 static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len,
195 u32 nlflags, u32 tb_id)
200 static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len,
202 u8 tos, u8 type, u32 tb_id)
207 static inline void switchdev_fib_ipv4_abort(struct fib_info *fi)
213 #endif /* _LINUX_SWITCHDEV_H_ */