include/net/switchdev.h

   1 /*
   2  * include/net/switchdev.h - Switch device API
   3  * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  */
  10 #ifndef _LINUX_SWITCHDEV_H_
  11 #define _LINUX_SWITCHDEV_H_
  12
  13 #include <linux/netdevice.h>
  14 #include <linux/notifier.h>
  15
  16 enum netdev_switch_notifier_type {
  17         NETDEV_SWITCH_FDB_ADD = 1,
  18         NETDEV_SWITCH_FDB_DEL,
  19 };
  20
  21 struct netdev_switch_notifier_info {
  22         struct net_device *dev;
  23 };
  24
  25 struct netdev_switch_notifier_fdb_info {
  26         struct netdev_switch_notifier_info info; /* must be first */
  27         const unsigned char *addr;
  28         u16 vid;
  29 };
  30
  31 static inline struct net_device *
  32 netdev_switch_notifier_info_to_dev(const struct netdev_switch_notifier_info *info)
  33 {
  34         return info->dev;
  35 }
  36
  37 #ifdef CONFIG_NET_SWITCHDEV
  38
  39 int netdev_switch_parent_id_get(struct net_device *dev,
  40                                 struct netdev_phys_item_id *psid);
  41 int netdev_switch_port_stp_update(struct net_device *dev, u8 state);
  42 int register_netdev_switch_notifier(struct notifier_block *nb);
  43 int unregister_netdev_switch_notifier(struct notifier_block *nb);
  44 int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev,
  45                                  struct netdev_switch_notifier_info *info);
  46 int netdev_switch_port_bridge_setlink(struct net_device *dev,
  47                                 struct nlmsghdr *nlh, u16 flags);
  48 int netdev_switch_port_bridge_dellink(struct net_device *dev,
  49                                 struct nlmsghdr *nlh, u16 flags);
  50 int ndo_dflt_netdev_switch_port_bridge_dellink(struct net_device *dev,
  51                                                struct nlmsghdr *nlh, u16 flags);
  52 int ndo_dflt_netdev_switch_port_bridge_setlink(struct net_device *dev,
  53                                                struct nlmsghdr *nlh, u16 flags);
  54 int netdev_switch_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
  55                                u8 tos, u8 type, u32 tb_id);
  56 int netdev_switch_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
  57                                u8 tos, u8 type, u32 tb_id);
  58
  59 #else
  60
  61 static inline int netdev_switch_parent_id_get(struct net_device *dev,
  62                                               struct netdev_phys_item_id *psid)
  63 {
  64         return -EOPNOTSUPP;
  65 }
  66
  67 static inline int netdev_switch_port_stp_update(struct net_device *dev,
  68                                                 u8 state)
  69 {
  70         return -EOPNOTSUPP;
  71 }
  72
  73 static inline int register_netdev_switch_notifier(struct notifier_block *nb)
  74 {
  75         return 0;
  76 }
  77
  78 static inline int unregister_netdev_switch_notifier(struct notifier_block *nb)
  79 {
  80         return 0;
  81 }
  82
  83 static inline int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev,
  84                                                struct netdev_switch_notifier_info *info)
  85 {
  86         return NOTIFY_DONE;
  87 }
  88
  89 static inline int netdev_switch_port_bridge_setlink(struct net_device *dev,
  90                                                     struct nlmsghdr *nlh,
  91                                                     u16 flags)
  92 {
  93         return -EOPNOTSUPP;
  94 }
  95
  96 static inline int netdev_switch_port_bridge_dellink(struct net_device *dev,
  97                                                     struct nlmsghdr *nlh,
  98                                                     u16 flags)
  99 {
 100         return -EOPNOTSUPP;
 101 }
 102
 103 static inline int ndo_dflt_netdev_switch_port_bridge_dellink(struct net_device *dev,
 104                                                         struct nlmsghdr *nlh,
 105                                                         u16 flags)
 106 {
 107         return 0;
 108 }
 109
 110 static inline int ndo_dflt_netdev_switch_port_bridge_setlink(struct net_device *dev,
 111                                                         struct nlmsghdr *nlh,
 112                                                         u16 flags)
 113 {
 114         return 0;
 115 }
 116
 117 static inline int netdev_switch_fib_ipv4_add(u32 dst, int dst_len,
 118                                              struct fib_info *fi,
 119                                              u8 tos, u8 type, u32 tb_id)
 120 {
 121         return 0;
 122 }
 123
 124 static inline int netdev_switch_fib_ipv4_del(u32 dst, int dst_len,
 125                                              struct fib_info *fi,
 126                                              u8 tos, u8 type, u32 tb_id)
 127 {
 128         return 0;
 129 }
 130
 131 #endif
 132
 133 #endif /* _LINUX_SWITCHDEV_H_ */