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 void netdev_switch_fib_ipv4_abort(struct fib_info *fi); 59 60 #else 61 62 static inline int netdev_switch_parent_id_get(struct net_device *dev, 63 struct netdev_phys_item_id *psid) 64 { 65 return -EOPNOTSUPP; 66 } 67 68 static inline int netdev_switch_port_stp_update(struct net_device *dev, 69 u8 state) 70 { 71 return -EOPNOTSUPP; 72 } 73 74 static inline int register_netdev_switch_notifier(struct notifier_block *nb) 75 { 76 return 0; 77 } 78 79 static inline int unregister_netdev_switch_notifier(struct notifier_block *nb) 80 { 81 return 0; 82 } 83 84 static inline int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev, 85 struct netdev_switch_notifier_info *info) 86 { 87 return NOTIFY_DONE; 88 } 89 90 static inline int netdev_switch_port_bridge_setlink(struct net_device *dev, 91 struct nlmsghdr *nlh, 92 u16 flags) 93 { 94 return -EOPNOTSUPP; 95 } 96 97 static inline int netdev_switch_port_bridge_dellink(struct net_device *dev, 98 struct nlmsghdr *nlh, 99 u16 flags) 100 { 101 return -EOPNOTSUPP; 102 } 103 104 static inline int ndo_dflt_netdev_switch_port_bridge_dellink(struct net_device *dev, 105 struct nlmsghdr *nlh, 106 u16 flags) 107 { 108 return 0; 109 } 110 111 static inline int ndo_dflt_netdev_switch_port_bridge_setlink(struct net_device *dev, 112 struct nlmsghdr *nlh, 113 u16 flags) 114 { 115 return 0; 116 } 117 118 static inline int netdev_switch_fib_ipv4_add(u32 dst, int dst_len, 119 struct fib_info *fi, 120 u8 tos, u8 type, u32 tb_id) 121 { 122 return 0; 123 } 124 125 static inline int netdev_switch_fib_ipv4_del(u32 dst, int dst_len, 126 struct fib_info *fi, 127 u8 tos, u8 type, u32 tb_id) 128 { 129 return 0; 130 } 131 132 static inline void netdev_switch_fib_ipv4_abort(struct fib_info *fi) 133 { 134 } 135 136 #endif 137 138 #endif /* _LINUX_SWITCHDEV_H_ */ 139