Commit | Line | Data |
---|---|---|
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, | |
28 | }; | |
29 | ||
30 | struct switchdev_attr { | |
31 | enum switchdev_attr_id id; | |
32 | enum switchdev_trans trans; | |
33 | u32 flags; | |
34 | }; | |
35 | ||
4170604f SF |
36 | struct fib_info; |
37 | ||
38 | /** | |
39 | * struct switchdev_ops - switchdev operations | |
40 | * | |
9d47c0a2 | 41 | * @switchdev_parent_id_get: Called to get an ID of the switch chip this port |
13bb8e2e SF |
42 | * is part of. If driver implements this, it indicates that it |
43 | * represents a port of a switch chip. | |
4170604f | 44 | * |
3094333d SF |
45 | * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr). |
46 | * | |
47 | * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr). | |
48 | * | |
9d47c0a2 | 49 | * @switchdev_port_stp_update: Called to notify switch device port of bridge |
13bb8e2e | 50 | * port STP state change. |
4170604f | 51 | * |
9d47c0a2 | 52 | * @switchdev_fib_ipv4_add: Called to add/modify IPv4 route to switch device. |
4170604f | 53 | * |
9d47c0a2 | 54 | * @switchdev_fib_ipv4_del: Called to delete IPv4 route from switch device. |
4170604f | 55 | */ |
9d47c0a2 JP |
56 | struct switchdev_ops { |
57 | int (*switchdev_parent_id_get)(struct net_device *dev, | |
58 | struct netdev_phys_item_id *psid); | |
3094333d SF |
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); | |
9d47c0a2 JP |
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, | |
67 | u32 tb_id); | |
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); | |
4170604f SF |
71 | }; |
72 | ||
ebb9a03a JP |
73 | enum switchdev_notifier_type { |
74 | SWITCHDEV_FDB_ADD = 1, | |
75 | SWITCHDEV_FDB_DEL, | |
3aeb6617 JP |
76 | }; |
77 | ||
ebb9a03a | 78 | struct switchdev_notifier_info { |
03bf0c28 JP |
79 | struct net_device *dev; |
80 | }; | |
81 | ||
ebb9a03a JP |
82 | struct switchdev_notifier_fdb_info { |
83 | struct switchdev_notifier_info info; /* must be first */ | |
3aeb6617 JP |
84 | const unsigned char *addr; |
85 | u16 vid; | |
86 | }; | |
87 | ||
03bf0c28 | 88 | static inline struct net_device * |
ebb9a03a | 89 | switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info) |
03bf0c28 JP |
90 | { |
91 | return info->dev; | |
92 | } | |
007f790c JP |
93 | |
94 | #ifdef CONFIG_NET_SWITCHDEV | |
95 | ||
ebb9a03a JP |
96 | int switchdev_parent_id_get(struct net_device *dev, |
97 | struct netdev_phys_item_id *psid); | |
3094333d SF |
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); | |
ebb9a03a JP |
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); | |
5e8d9049 | 120 | |
007f790c JP |
121 | #else |
122 | ||
ebb9a03a JP |
123 | static inline int switchdev_parent_id_get(struct net_device *dev, |
124 | struct netdev_phys_item_id *psid) | |
007f790c JP |
125 | { |
126 | return -EOPNOTSUPP; | |
127 | } | |
128 | ||
3094333d SF |
129 | static inline int switchdev_port_attr_get(struct net_device *dev, |
130 | struct switchdev_attr *attr) | |
131 | { | |
132 | return -EOPNOTSUPP; | |
133 | } | |
134 | ||
135 | static inline int switchdev_port_attr_set(struct net_device *dev, | |
136 | struct switchdev_attr *attr) | |
137 | { | |
138 | return -EOPNOTSUPP; | |
139 | } | |
140 | ||
ebb9a03a JP |
141 | static inline int switchdev_port_stp_update(struct net_device *dev, |
142 | u8 state) | |
38dcf357 SF |
143 | { |
144 | return -EOPNOTSUPP; | |
145 | } | |
146 | ||
ebb9a03a | 147 | static inline int register_switchdev_notifier(struct notifier_block *nb) |
03bf0c28 JP |
148 | { |
149 | return 0; | |
150 | } | |
151 | ||
ebb9a03a | 152 | static inline int unregister_switchdev_notifier(struct notifier_block *nb) |
03bf0c28 JP |
153 | { |
154 | return 0; | |
155 | } | |
156 | ||
ebb9a03a JP |
157 | static inline int call_switchdev_notifiers(unsigned long val, |
158 | struct net_device *dev, | |
159 | struct switchdev_notifier_info *info) | |
03bf0c28 JP |
160 | { |
161 | return NOTIFY_DONE; | |
162 | } | |
163 | ||
ebb9a03a JP |
164 | static inline int switchdev_port_bridge_setlink(struct net_device *dev, |
165 | struct nlmsghdr *nlh, | |
166 | u16 flags) | |
8a44dbb2 RP |
167 | { |
168 | return -EOPNOTSUPP; | |
169 | } | |
170 | ||
ebb9a03a JP |
171 | static inline int switchdev_port_bridge_dellink(struct net_device *dev, |
172 | struct nlmsghdr *nlh, | |
173 | u16 flags) | |
8a44dbb2 RP |
174 | { |
175 | return -EOPNOTSUPP; | |
176 | } | |
177 | ||
ebb9a03a JP |
178 | static inline int ndo_dflt_switchdev_port_bridge_dellink(struct net_device *dev, |
179 | struct nlmsghdr *nlh, | |
180 | u16 flags) | |
8a44dbb2 RP |
181 | { |
182 | return 0; | |
183 | } | |
184 | ||
ebb9a03a JP |
185 | static inline int ndo_dflt_switchdev_port_bridge_setlink(struct net_device *dev, |
186 | struct nlmsghdr *nlh, | |
187 | u16 flags) | |
8a44dbb2 RP |
188 | { |
189 | return 0; | |
190 | } | |
191 | ||
ebb9a03a JP |
192 | static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len, |
193 | struct fib_info *fi, | |
194 | u8 tos, u8 type, | |
195 | u32 nlflags, u32 tb_id) | |
5e8d9049 SF |
196 | { |
197 | return 0; | |
198 | } | |
199 | ||
ebb9a03a JP |
200 | static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len, |
201 | struct fib_info *fi, | |
202 | u8 tos, u8 type, u32 tb_id) | |
5e8d9049 SF |
203 | { |
204 | return 0; | |
205 | } | |
206 | ||
ebb9a03a | 207 | static inline void switchdev_fib_ipv4_abort(struct fib_info *fi) |
8e05fd71 SF |
208 | { |
209 | } | |
210 | ||
007f790c JP |
211 | #endif |
212 | ||
213 | #endif /* _LINUX_SWITCHDEV_H_ */ |