1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
/*
* include/net/switchdev.h - Switch device API
* Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
* Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef _LINUX_SWITCHDEV_H_
#define _LINUX_SWITCHDEV_H_
#include <linux/netdevice.h>
#include <linux/notifier.h>
#define SWITCHDEV_F_NO_RECURSE BIT(0)
enum switchdev_trans {
SWITCHDEV_TRANS_NONE,
SWITCHDEV_TRANS_PREPARE,
SWITCHDEV_TRANS_ABORT,
SWITCHDEV_TRANS_COMMIT,
};
enum switchdev_attr_id {
SWITCHDEV_ATTR_UNDEFINED,
SWITCHDEV_ATTR_PORT_PARENT_ID,
SWITCHDEV_ATTR_PORT_STP_STATE,
SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS,
};
struct switchdev_attr {
enum switchdev_attr_id id;
enum switchdev_trans trans;
u32 flags;
union {
struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */
u8 stp_state; /* PORT_STP_STATE */
unsigned long brport_flags; /* PORT_BRIDGE_FLAGS */
};
};
struct fib_info;
enum switchdev_obj_id {
SWITCHDEV_OBJ_UNDEFINED,
SWITCHDEV_OBJ_PORT_VLAN,
};
struct switchdev_obj {
enum switchdev_obj_id id;
enum switchdev_trans trans;
union {
struct switchdev_obj_vlan { /* PORT_VLAN */
u16 flags;
u16 vid_start;
u16 vid_end;
} vlan;
};
};
/**
* struct switchdev_ops - switchdev operations
*
* @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
*
* @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
*
* @switchdev_port_obj_add: Add an object to port (see switchdev_obj).
*
* @switchdev_port_obj_del: Delete an object from port (see switchdev_obj).
*
* @switchdev_fib_ipv4_add: Called to add/modify IPv4 route to switch device.
*
* @switchdev_fib_ipv4_del: Called to delete IPv4 route from switch device.
*/
struct switchdev_ops {
int (*switchdev_port_attr_get)(struct net_device *dev,
struct switchdev_attr *attr);
int (*switchdev_port_attr_set)(struct net_device *dev,
struct switchdev_attr *attr);
int (*switchdev_port_obj_add)(struct net_device *dev,
struct switchdev_obj *obj);
int (*switchdev_port_obj_del)(struct net_device *dev,
struct switchdev_obj *obj);
int (*switchdev_fib_ipv4_add)(struct net_device *dev, __be32 dst,
int dst_len, struct fib_info *fi,
u8 tos, u8 type, u32 nlflags,
u32 tb_id);
int (*switchdev_fib_ipv4_del)(struct net_device *dev, __be32 dst,
int dst_len, struct fib_info *fi,
u8 tos, u8 type, u32 tb_id);
};
enum switchdev_notifier_type {
SWITCHDEV_FDB_ADD = 1,
SWITCHDEV_FDB_DEL,
};
struct switchdev_notifier_info {
struct net_device *dev;
};
struct switchdev_notifier_fdb_info {
struct switchdev_notifier_info info; /* must be first */
const unsigned char *addr;
u16 vid;
};
static inline struct net_device *
switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
{
return info->dev;
}
#ifdef CONFIG_NET_SWITCHDEV
int switchdev_port_attr_get(struct net_device *dev,
struct switchdev_attr *attr);
int switchdev_port_attr_set(struct net_device *dev,
struct switchdev_attr *attr);
int switchdev_port_obj_add(struct net_device *dev, struct switchdev_obj *obj);
int switchdev_port_obj_del(struct net_device *dev, struct switchdev_obj *obj);
int register_switchdev_notifier(struct notifier_block *nb);
int unregister_switchdev_notifier(struct notifier_block *nb);
int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
struct switchdev_notifier_info *info);
int switchdev_port_bridge_setlink(struct net_device *dev,
struct nlmsghdr *nlh, u16 flags);
int switchdev_port_bridge_dellink(struct net_device *dev,
struct nlmsghdr *nlh, u16 flags);
int ndo_dflt_switchdev_port_bridge_dellink(struct net_device *dev,
struct nlmsghdr *nlh, u16 flags);
int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
u8 tos, u8 type, u32 nlflags, u32 tb_id);
int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
u8 tos, u8 type, u32 tb_id);
void switchdev_fib_ipv4_abort(struct fib_info *fi);
#else
static inline int switchdev_port_attr_get(struct net_device *dev,
struct switchdev_attr *attr)
{
return -EOPNOTSUPP;
}
static inline int switchdev_port_attr_set(struct net_device *dev,
struct switchdev_attr *attr)
{
return -EOPNOTSUPP;
}
static inline int switchdev_port_obj_add(struct net_device *dev,
struct switchdev_obj *obj)
{
return -EOPNOTSUPP;
}
static inline int switchdev_port_obj_del(struct net_device *dev,
struct switchdev_obj *obj)
{
return -EOPNOTSUPP;
}
static inline int switchdev_port_bridge_dellink(struct net_device *dev,
struct nlmsghdr *nlh, u16 flags)
{
return -EOPNOTSUPP;
}
static inline int register_switchdev_notifier(struct notifier_block *nb)
{
return 0;
}
static inline int unregister_switchdev_notifier(struct notifier_block *nb)
{
return 0;
}
static inline int call_switchdev_notifiers(unsigned long val,
struct net_device *dev,
struct switchdev_notifier_info *info)
{
return NOTIFY_DONE;
}
static inline int switchdev_port_bridge_setlink(struct net_device *dev,
struct nlmsghdr *nlh,
u16 flags)
{
return -EOPNOTSUPP;
}
static inline int switchdev_port_bridge_dellink(struct net_device *dev,
struct nlmsghdr *nlh,
u16 flags)
{
return -EOPNOTSUPP;
}
static inline int ndo_dflt_switchdev_port_bridge_dellink(struct net_device *dev,
struct nlmsghdr *nlh,
u16 flags)
{
return 0;
}
static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len,
struct fib_info *fi,
u8 tos, u8 type,
u32 nlflags, u32 tb_id)
{
return 0;
}
static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len,
struct fib_info *fi,
u8 tos, u8 type, u32 tb_id)
{
return 0;
}
static inline void switchdev_fib_ipv4_abort(struct fib_info *fi)
{
}
#endif
#endif /* _LINUX_SWITCHDEV_H_ */
|
