1/* 2 * Copyright (C) 2000 Lennert Buytenhek 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License as 6 * published by the Free Software Foundation; either version 2 of the 7 * License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, but 10 * WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 17 */ 18 19#ifndef _LIBBRIDGE_H 20#define _LIBBRIDGE_H 21 22#include <net/if.h> 23#include <linux/if_bridge.h> 24 25struct bridge_id 26{ 27 unsigned char prio[2]; 28 unsigned char addr[6]; 29}; 30 31struct bridge_info 32{ 33 struct bridge_id designated_root; 34 struct bridge_id bridge_id; 35 unsigned root_path_cost; 36 struct timeval max_age; 37 struct timeval hello_time; 38 struct timeval forward_delay; 39 struct timeval bridge_max_age; 40 struct timeval bridge_hello_time; 41 struct timeval bridge_forward_delay; 42 u_int16_t root_port; 43 unsigned char stp_enabled; 44 unsigned char topology_change; 45 unsigned char topology_change_detected; 46 struct timeval ageing_time; 47 struct timeval hello_timer_value; 48 struct timeval tcn_timer_value; 49 struct timeval topology_change_timer_value; 50 struct timeval gc_timer_value; 51}; 52 53struct fdb_entry 54{ 55 u_int8_t mac_addr[6]; 56 u_int16_t port_no; 57 unsigned char is_local; 58 struct timeval ageing_timer_value; 59}; 60 61struct port_info 62{ 63 unsigned port_no; 64 struct bridge_id designated_root; 65 struct bridge_id designated_bridge; 66 u_int16_t port_id; 67 u_int16_t designated_port; 68 u_int8_t priority; 69 unsigned char top_change_ack; 70 unsigned char config_pending; 71 unsigned char state; 72 unsigned path_cost; 73 unsigned designated_cost; 74 struct timeval message_age_timer_value; 75 struct timeval forward_delay_timer_value; 76 struct timeval hold_timer_value; 77}; 78 79extern int br_init(void); 80extern int br_refresh(void); 81extern void br_shutdown(void); 82 83extern int br_foreach_bridge(int (*iterator)(const char *brname, void *), 84 void *arg); 85extern int br_foreach_port(const char *brname, 86 int (*iterator)(const char *brname, const char *port, 87 void *arg ), 88 void *arg); 89extern const char *br_get_state_name(int state); 90 91extern int br_get_bridge_info(const char *br, struct bridge_info *info); 92extern int br_get_port_info(const char *brname, const char *port, 93 struct port_info *info); 94extern int br_add_bridge(const char *brname); 95extern int br_del_bridge(const char *brname); 96extern int br_add_interface(const char *br, const char *dev); 97extern int br_del_interface(const char *br, const char *dev); 98extern int br_set_bridge_forward_delay(const char *br, struct timeval *tv); 99extern int br_set_bridge_hello_time(const char *br, struct timeval *tv); 100extern int br_set_bridge_max_age(const char *br, struct timeval *tv); 101extern int br_set_ageing_time(const char *br, struct timeval *tv); 102extern int br_set_stp_state(const char *br, int stp_state); 103extern int br_set_bridge_priority(const char *br, int bridge_priority); 104extern int br_set_port_priority(const char *br, const char *p, 105 int port_priority); 106extern int br_set_path_cost(const char *br, const char *p, 107 int path_cost); 108extern int br_read_fdb(const char *br, struct fdb_entry *fdbs, 109 unsigned long skip, int num); 110#endif 111