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/*
* Copyright (C) 2000 Lennert Buytenhek
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _LIBBRIDGE_H
#define _LIBBRIDGE_H
#include <sys/socket.h>
#include <linux/if.h>
#include <linux/if_bridge.h>
/* defined in net/if.h but that conflicts with linux/if.h... */
extern unsigned int if_nametoindex (const char *__ifname);
extern char *if_indextoname (unsigned int __ifindex, char *__ifname);
struct bridge_id
{
unsigned char prio[2];
unsigned char addr[6];
};
struct bridge_info
{
struct bridge_id designated_root;
struct bridge_id bridge_id;
unsigned root_path_cost;
struct timeval max_age;
struct timeval hello_time;
struct timeval forward_delay;
struct timeval bridge_max_age;
struct timeval bridge_hello_time;
struct timeval bridge_forward_delay;
u_int16_t root_port;
unsigned char stp_enabled;
unsigned char topology_change;
unsigned char topology_change_detected;
struct timeval ageing_time;
struct timeval hello_timer_value;
struct timeval tcn_timer_value;
struct timeval topology_change_timer_value;
struct timeval gc_timer_value;
};
struct fdb_entry
{
u_int8_t mac_addr[6];
u_int16_t port_no;
unsigned char is_local;
struct timeval ageing_timer_value;
};
struct port_info
{
unsigned port_no;
struct bridge_id designated_root;
struct bridge_id designated_bridge;
u_int16_t port_id;
u_int16_t designated_port;
u_int8_t priority;
unsigned char top_change_ack;
unsigned char config_pending;
unsigned char state;
unsigned path_cost;
unsigned designated_cost;
struct timeval message_age_timer_value;
struct timeval forward_delay_timer_value;
struct timeval hold_timer_value;
unsigned char hairpin_mode;
};
extern int br_init(void);
extern int br_refresh(void);
extern void br_shutdown(void);
extern int br_foreach_bridge(int (*iterator)(const char *brname, void *),
void *arg);
extern int br_foreach_port(const char *brname,
int (*iterator)(const char *brname, const char *port,
void *arg ),
void *arg);
extern const char *br_get_state_name(int state);
extern int br_get_bridge_info(const char *br, struct bridge_info *info);
extern int br_get_port_info(const char *brname, const char *port,
struct port_info *info);
extern int br_add_bridge(const char *brname);
extern int br_del_bridge(const char *brname);
extern int br_add_interface(const char *br, const char *dev);
extern int br_del_interface(const char *br, const char *dev);
extern int br_set_bridge_forward_delay(const char *br, struct timeval *tv);
extern int br_set_bridge_hello_time(const char *br, struct timeval *tv);
extern int br_set_bridge_max_age(const char *br, struct timeval *tv);
extern int br_set_ageing_time(const char *br, struct timeval *tv);
extern int br_set_stp_state(const char *br, int stp_state);
extern int br_set_bridge_priority(const char *br, int bridge_priority);
extern int br_set_port_priority(const char *br, const char *p,
int port_priority);
extern int br_set_path_cost(const char *br, const char *p,
int path_cost);
extern int br_read_fdb(const char *br, struct fdb_entry *fdbs,
unsigned long skip, int num);
extern int br_set_hairpin_mode(const char *bridge, const char *dev,
int hairpin_mode);
#endif
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