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,
28 SWITCHDEV_ATTR_PORT_PARENT_ID,
29 SWITCHDEV_ATTR_PORT_STP_STATE,
30 SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS,
33 struct switchdev_attr {
34 enum switchdev_attr_id id;
35 enum switchdev_trans trans;
38 struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */
39 u8 stp_state; /* PORT_STP_STATE */
40 unsigned long brport_flags; /* PORT_BRIDGE_FLAGS */
46 enum switchdev_obj_id {
47 SWITCHDEV_OBJ_UNDEFINED,
48 SWITCHDEV_OBJ_PORT_VLAN,
51 struct switchdev_obj {
52 enum switchdev_obj_id id;
53 enum switchdev_trans trans;
55 struct switchdev_obj_vlan { /* PORT_VLAN */
64 * struct switchdev_ops - switchdev operations
66 * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
68 * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
70 * @switchdev_port_obj_add: Add an object to port (see switchdev_obj).
72 * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj).
74 * @switchdev_fib_ipv4_add: Called to add/modify IPv4 route to switch device.
76 * @switchdev_fib_ipv4_del: Called to delete IPv4 route from switch device.
78 struct switchdev_ops {
79 int (*switchdev_port_attr_get)(struct net_device *dev,
80 struct switchdev_attr *attr);
81 int (*switchdev_port_attr_set)(struct net_device *dev,
82 struct switchdev_attr *attr);
83 int (*switchdev_port_obj_add)(struct net_device *dev,
84 struct switchdev_obj *obj);
85 int (*switchdev_port_obj_del)(struct net_device *dev,
86 struct switchdev_obj *obj);
87 int (*switchdev_fib_ipv4_add)(struct net_device *dev, __be32 dst,
88 int dst_len, struct fib_info *fi,
89 u8 tos, u8 type, u32 nlflags,
91 int (*switchdev_fib_ipv4_del)(struct net_device *dev, __be32 dst,
92 int dst_len, struct fib_info *fi,
93 u8 tos, u8 type, u32 tb_id);
96 enum switchdev_notifier_type {
97 SWITCHDEV_FDB_ADD = 1,
101 struct switchdev_notifier_info {
102 struct net_device *dev;
105 struct switchdev_notifier_fdb_info {
106 struct switchdev_notifier_info info; /* must be first */
107 const unsigned char *addr;
111 static inline struct net_device *
112 switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
117 #ifdef CONFIG_NET_SWITCHDEV
119 int switchdev_port_attr_get(struct net_device *dev,
120 struct switchdev_attr *attr);
121 int switchdev_port_attr_set(struct net_device *dev,
122 struct switchdev_attr *attr);
123 int switchdev_port_obj_add(struct net_device *dev, struct switchdev_obj *obj);
124 int switchdev_port_obj_del(struct net_device *dev, struct switchdev_obj *obj);
125 int register_switchdev_notifier(struct notifier_block *nb);
126 int unregister_switchdev_notifier(struct notifier_block *nb);
127 int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
128 struct switchdev_notifier_info *info);
129 int switchdev_port_bridge_setlink(struct net_device *dev,
130 struct nlmsghdr *nlh, u16 flags);
131 int switchdev_port_bridge_dellink(struct net_device *dev,
132 struct nlmsghdr *nlh, u16 flags);
133 int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
134 u8 tos, u8 type, u32 nlflags, u32 tb_id);
135 int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
136 u8 tos, u8 type, u32 tb_id);
137 void switchdev_fib_ipv4_abort(struct fib_info *fi);
141 static inline int switchdev_port_attr_get(struct net_device *dev,
142 struct switchdev_attr *attr)
147 static inline int switchdev_port_attr_set(struct net_device *dev,
148 struct switchdev_attr *attr)
153 static inline int switchdev_port_obj_add(struct net_device *dev,
154 struct switchdev_obj *obj)
159 static inline int switchdev_port_obj_del(struct net_device *dev,
160 struct switchdev_obj *obj)
165 static inline int register_switchdev_notifier(struct notifier_block *nb)
170 static inline int unregister_switchdev_notifier(struct notifier_block *nb)
175 static inline int call_switchdev_notifiers(unsigned long val,
176 struct net_device *dev,
177 struct switchdev_notifier_info *info)
182 static inline int switchdev_port_bridge_setlink(struct net_device *dev,
183 struct nlmsghdr *nlh,
189 static inline int switchdev_port_bridge_dellink(struct net_device *dev,
190 struct nlmsghdr *nlh,
196 static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len,
199 u32 nlflags, u32 tb_id)
204 static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len,
206 u8 tos, u8 type, u32 tb_id)
211 static inline void switchdev_fib_ipv4_abort(struct fib_info *fi)
217 #endif /* _LINUX_SWITCHDEV_H_ */