123 lines
3.9 KiB
C
123 lines
3.9 KiB
C
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/*
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* Copyright (C) 2000 Lennert Buytenhek
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _LIBBRIDGE_H
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#define _LIBBRIDGE_H
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <linux/if.h>
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#include <linux/if_bridge.h>
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/* defined in net/if.h but that conflicts with linux/if.h... */
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extern unsigned int if_nametoindex (const char *__ifname);
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extern char *if_indextoname (unsigned int __ifindex, char *__ifname);
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struct bridge_id
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{
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unsigned char prio[2];
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unsigned char addr[6];
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};
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struct bridge_info
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{
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struct bridge_id designated_root;
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struct bridge_id bridge_id;
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unsigned root_path_cost;
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struct timeval max_age;
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struct timeval hello_time;
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struct timeval forward_delay;
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struct timeval bridge_max_age;
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struct timeval bridge_hello_time;
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struct timeval bridge_forward_delay;
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uint16_t root_port;
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unsigned char stp_enabled;
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unsigned char topology_change;
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unsigned char topology_change_detected;
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struct timeval ageing_time;
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struct timeval hello_timer_value;
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struct timeval tcn_timer_value;
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struct timeval topology_change_timer_value;
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struct timeval gc_timer_value;
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};
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struct fdb_entry
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{
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uint8_t mac_addr[6];
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uint16_t port_no;
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unsigned char is_local;
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struct timeval ageing_timer_value;
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};
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struct port_info
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{
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unsigned port_no;
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struct bridge_id designated_root;
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struct bridge_id designated_bridge;
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uint16_t port_id;
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uint16_t designated_port;
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uint8_t priority;
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unsigned char top_change_ack;
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unsigned char config_pending;
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unsigned char state;
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unsigned path_cost;
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unsigned designated_cost;
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struct timeval message_age_timer_value;
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struct timeval forward_delay_timer_value;
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struct timeval hold_timer_value;
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unsigned char hairpin_mode;
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};
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extern int br_init(void);
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extern int br_refresh(void);
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extern void br_shutdown(void);
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extern int br_foreach_bridge(int (*iterator)(const char *brname, void *),
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void *arg);
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extern int br_foreach_port(const char *brname,
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int (*iterator)(const char *brname, const char *port,
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void *arg ),
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void *arg);
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extern const char *br_get_state_name(int state);
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extern int br_get_bridge_info(const char *br, struct bridge_info *info);
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extern int br_get_port_info(const char *brname, const char *port,
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struct port_info *info);
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extern int br_add_bridge(const char *brname);
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extern int br_del_bridge(const char *brname);
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extern int br_add_interface(const char *br, const char *dev);
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extern int br_del_interface(const char *br, const char *dev);
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extern int br_set_bridge_forward_delay(const char *br, struct timeval *tv);
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extern int br_set_bridge_hello_time(const char *br, struct timeval *tv);
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extern int br_set_bridge_max_age(const char *br, struct timeval *tv);
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extern int br_set_ageing_time(const char *br, struct timeval *tv);
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extern int br_set_stp_state(const char *br, int stp_state);
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extern int br_set_bridge_priority(const char *br, int bridge_priority);
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extern int br_set_port_priority(const char *br, const char *p,
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int port_priority);
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extern int br_set_path_cost(const char *br, const char *p,
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int path_cost);
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extern int br_read_fdb(const char *br, struct fdb_entry *fdbs,
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unsigned long skip, int num);
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extern int br_set_hairpin_mode(const char *bridge, const char *dev,
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int hairpin_mode);
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extern int br_for_port_num(const char *brname, int *cnt);
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#endif
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