1 /* 2 * Linux ethernet bridge 3 * 4 * Authors: 5 * Lennert Buytenhek <buytenh@gnu.org> 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 10 * 2 of the License, or (at your option) any later version. 11 */ 12 13 #ifndef _LINUX_IF_BRIDGE_H 14 #define _LINUX_IF_BRIDGE_H 15 16 #include <linux/types.h> 17 18 #define SYSFS_BRIDGE_ATTR "bridge" 19 #define SYSFS_BRIDGE_FDB "brforward" 20 #define SYSFS_BRIDGE_PORT_SUBDIR "brif" 21 #define SYSFS_BRIDGE_PORT_ATTR "brport" 22 #define SYSFS_BRIDGE_PORT_LINK "bridge" 23 24 #define BRCTL_VERSION 1 25 26 #define BRCTL_GET_VERSION 0 27 #define BRCTL_GET_BRIDGES 1 28 #define BRCTL_ADD_BRIDGE 2 29 #define BRCTL_DEL_BRIDGE 3 30 #define BRCTL_ADD_IF 4 31 #define BRCTL_DEL_IF 5 32 #define BRCTL_GET_BRIDGE_INFO 6 33 #define BRCTL_GET_PORT_LIST 7 34 #define BRCTL_SET_BRIDGE_FORWARD_DELAY 8 35 #define BRCTL_SET_BRIDGE_HELLO_TIME 9 36 #define BRCTL_SET_BRIDGE_MAX_AGE 10 37 #define BRCTL_SET_AGEING_TIME 11 38 #define BRCTL_SET_GC_INTERVAL 12 39 #define BRCTL_GET_PORT_INFO 13 40 #define BRCTL_SET_BRIDGE_STP_STATE 14 41 #define BRCTL_SET_BRIDGE_PRIORITY 15 42 #define BRCTL_SET_PORT_PRIORITY 16 43 #define BRCTL_SET_PATH_COST 17 44 #define BRCTL_GET_FDB_ENTRIES 18 45 46 #define BR_STATE_DISABLED 0 47 #define BR_STATE_LISTENING 1 48 #define BR_STATE_LEARNING 2 49 #define BR_STATE_FORWARDING 3 50 #define BR_STATE_BLOCKING 4 51 52 struct __bridge_info { 53 __u64 designated_root; 54 __u64 bridge_id; 55 __u32 root_path_cost; 56 __u32 max_age; 57 __u32 hello_time; 58 __u32 forward_delay; 59 __u32 bridge_max_age; 60 __u32 bridge_hello_time; 61 __u32 bridge_forward_delay; 62 __u8 topology_change; 63 __u8 topology_change_detected; 64 __u8 root_port; 65 __u8 stp_enabled; 66 __u32 ageing_time; 67 __u32 gc_interval; 68 __u32 hello_timer_value; 69 __u32 tcn_timer_value; 70 __u32 topology_change_timer_value; 71 __u32 gc_timer_value; 72 }; 73 74 struct __port_info { 75 __u64 designated_root; 76 __u64 designated_bridge; 77 __u16 port_id; 78 __u16 designated_port; 79 __u32 path_cost; 80 __u32 designated_cost; 81 __u8 state; 82 __u8 top_change_ack; 83 __u8 config_pending; 84 __u8 unused0; 85 __u32 message_age_timer_value; 86 __u32 forward_delay_timer_value; 87 __u32 hold_timer_value; 88 }; 89 90 struct __fdb_entry { 91 __u8 mac_addr[6]; 92 __u8 port_no; 93 __u8 is_local; 94 __u32 ageing_timer_value; 95 __u8 port_hi; 96 __u8 pad0; 97 __u16 unused; 98 }; 99 100 #ifdef __KERNEL__ 101 102 #include <linux/netdevice.h> 103 104 extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *)); 105 106 typedef int br_should_route_hook_t(struct sk_buff *skb); 107 extern br_should_route_hook_t __rcu *br_should_route_hook; 108 109 #endif 110 111 #endif 112