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007f790c JP |
1 | /* |
2 | * include/net/switchdev.h - Switch device API | |
3 | * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us> | |
f8f21471 | 4 | * Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com> |
007f790c JP |
5 | * |
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. | |
10 | */ | |
11 | #ifndef _LINUX_SWITCHDEV_H_ | |
12 | #define _LINUX_SWITCHDEV_H_ | |
13 | ||
14 | #include <linux/netdevice.h> | |
03bf0c28 JP |
15 | #include <linux/notifier.h> |
16 | ||
3094333d SF |
17 | #define SWITCHDEV_F_NO_RECURSE BIT(0) |
18 | ||
19 | enum switchdev_trans { | |
20 | SWITCHDEV_TRANS_NONE, | |
21 | SWITCHDEV_TRANS_PREPARE, | |
22 | SWITCHDEV_TRANS_ABORT, | |
23 | SWITCHDEV_TRANS_COMMIT, | |
24 | }; | |
25 | ||
26 | enum switchdev_attr_id { | |
27 | SWITCHDEV_ATTR_UNDEFINED, | |
f8e20a9f | 28 | SWITCHDEV_ATTR_PORT_PARENT_ID, |
35636062 | 29 | SWITCHDEV_ATTR_PORT_STP_STATE, |
3094333d SF |
30 | }; |
31 | ||
32 | struct switchdev_attr { | |
33 | enum switchdev_attr_id id; | |
34 | enum switchdev_trans trans; | |
35 | u32 flags; | |
f8e20a9f SF |
36 | union { |
37 | struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */ | |
35636062 | 38 | u8 stp_state; /* PORT_STP_STATE */ |
f8e20a9f | 39 | }; |
3094333d SF |
40 | }; |
41 | ||
4170604f SF |
42 | struct fib_info; |
43 | ||
44 | /** | |
45 | * struct switchdev_ops - switchdev operations | |
46 | * | |
3094333d SF |
47 | * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr). |
48 | * | |
49 | * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr). | |
50 | * | |
9d47c0a2 | 51 | * @switchdev_fib_ipv4_add: Called to add/modify IPv4 route to switch device. |
4170604f | 52 | * |
9d47c0a2 | 53 | * @switchdev_fib_ipv4_del: Called to delete IPv4 route from switch device. |
4170604f | 54 | */ |
9d47c0a2 | 55 | struct switchdev_ops { |
3094333d SF |
56 | int (*switchdev_port_attr_get)(struct net_device *dev, |
57 | struct switchdev_attr *attr); | |
58 | int (*switchdev_port_attr_set)(struct net_device *dev, | |
59 | struct switchdev_attr *attr); | |
9d47c0a2 JP |
60 | int (*switchdev_fib_ipv4_add)(struct net_device *dev, __be32 dst, |
61 | int dst_len, struct fib_info *fi, | |
62 | u8 tos, u8 type, u32 nlflags, | |
63 | u32 tb_id); | |
64 | int (*switchdev_fib_ipv4_del)(struct net_device *dev, __be32 dst, | |
65 | int dst_len, struct fib_info *fi, | |
66 | u8 tos, u8 type, u32 tb_id); | |
4170604f SF |
67 | }; |
68 | ||
ebb9a03a JP |
69 | enum switchdev_notifier_type { |
70 | SWITCHDEV_FDB_ADD = 1, | |
71 | SWITCHDEV_FDB_DEL, | |
3aeb6617 JP |
72 | }; |
73 | ||
ebb9a03a | 74 | struct switchdev_notifier_info { |
03bf0c28 JP |
75 | struct net_device *dev; |
76 | }; | |
77 | ||
ebb9a03a JP |
78 | struct switchdev_notifier_fdb_info { |
79 | struct switchdev_notifier_info info; /* must be first */ | |
3aeb6617 JP |
80 | const unsigned char *addr; |
81 | u16 vid; | |
82 | }; | |
83 | ||
03bf0c28 | 84 | static inline struct net_device * |
ebb9a03a | 85 | switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info) |
03bf0c28 JP |
86 | { |
87 | return info->dev; | |
88 | } | |
007f790c JP |
89 | |
90 | #ifdef CONFIG_NET_SWITCHDEV | |
91 | ||
3094333d SF |
92 | int switchdev_port_attr_get(struct net_device *dev, |
93 | struct switchdev_attr *attr); | |
94 | int switchdev_port_attr_set(struct net_device *dev, | |
95 | struct switchdev_attr *attr); | |
ebb9a03a JP |
96 | int register_switchdev_notifier(struct notifier_block *nb); |
97 | int unregister_switchdev_notifier(struct notifier_block *nb); | |
98 | int call_switchdev_notifiers(unsigned long val, struct net_device *dev, | |
99 | struct switchdev_notifier_info *info); | |
100 | int switchdev_port_bridge_setlink(struct net_device *dev, | |
101 | struct nlmsghdr *nlh, u16 flags); | |
102 | int switchdev_port_bridge_dellink(struct net_device *dev, | |
103 | struct nlmsghdr *nlh, u16 flags); | |
104 | int ndo_dflt_switchdev_port_bridge_dellink(struct net_device *dev, | |
105 | struct nlmsghdr *nlh, u16 flags); | |
106 | int ndo_dflt_switchdev_port_bridge_setlink(struct net_device *dev, | |
107 | struct nlmsghdr *nlh, u16 flags); | |
108 | int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi, | |
109 | u8 tos, u8 type, u32 nlflags, u32 tb_id); | |
110 | int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi, | |
111 | u8 tos, u8 type, u32 tb_id); | |
112 | void switchdev_fib_ipv4_abort(struct fib_info *fi); | |
5e8d9049 | 113 | |
007f790c JP |
114 | #else |
115 | ||
3094333d SF |
116 | static inline int switchdev_port_attr_get(struct net_device *dev, |
117 | struct switchdev_attr *attr) | |
118 | { | |
119 | return -EOPNOTSUPP; | |
120 | } | |
121 | ||
122 | static inline int switchdev_port_attr_set(struct net_device *dev, | |
123 | struct switchdev_attr *attr) | |
124 | { | |
125 | return -EOPNOTSUPP; | |
126 | } | |
127 | ||
ebb9a03a | 128 | static inline int register_switchdev_notifier(struct notifier_block *nb) |
03bf0c28 JP |
129 | { |
130 | return 0; | |
131 | } | |
132 | ||
ebb9a03a | 133 | static inline int unregister_switchdev_notifier(struct notifier_block *nb) |
03bf0c28 JP |
134 | { |
135 | return 0; | |
136 | } | |
137 | ||
ebb9a03a JP |
138 | static inline int call_switchdev_notifiers(unsigned long val, |
139 | struct net_device *dev, | |
140 | struct switchdev_notifier_info *info) | |
03bf0c28 JP |
141 | { |
142 | return NOTIFY_DONE; | |
143 | } | |
144 | ||
ebb9a03a JP |
145 | static inline int switchdev_port_bridge_setlink(struct net_device *dev, |
146 | struct nlmsghdr *nlh, | |
147 | u16 flags) | |
8a44dbb2 RP |
148 | { |
149 | return -EOPNOTSUPP; | |
150 | } | |
151 | ||
ebb9a03a JP |
152 | static inline int switchdev_port_bridge_dellink(struct net_device *dev, |
153 | struct nlmsghdr *nlh, | |
154 | u16 flags) | |
8a44dbb2 RP |
155 | { |
156 | return -EOPNOTSUPP; | |
157 | } | |
158 | ||
ebb9a03a JP |
159 | static inline int ndo_dflt_switchdev_port_bridge_dellink(struct net_device *dev, |
160 | struct nlmsghdr *nlh, | |
161 | u16 flags) | |
8a44dbb2 RP |
162 | { |
163 | return 0; | |
164 | } | |
165 | ||
ebb9a03a JP |
166 | static inline int ndo_dflt_switchdev_port_bridge_setlink(struct net_device *dev, |
167 | struct nlmsghdr *nlh, | |
168 | u16 flags) | |
8a44dbb2 RP |
169 | { |
170 | return 0; | |
171 | } | |
172 | ||
ebb9a03a JP |
173 | static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len, |
174 | struct fib_info *fi, | |
175 | u8 tos, u8 type, | |
176 | u32 nlflags, u32 tb_id) | |
5e8d9049 SF |
177 | { |
178 | return 0; | |
179 | } | |
180 | ||
ebb9a03a JP |
181 | static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len, |
182 | struct fib_info *fi, | |
183 | u8 tos, u8 type, u32 tb_id) | |
5e8d9049 SF |
184 | { |
185 | return 0; | |
186 | } | |
187 | ||
ebb9a03a | 188 | static inline void switchdev_fib_ipv4_abort(struct fib_info *fi) |
8e05fd71 SF |
189 | { |
190 | } | |
191 | ||
007f790c JP |
192 | #endif |
193 | ||
194 | #endif /* _LINUX_SWITCHDEV_H_ */ |