2 * Linux ethernet bridge
5 * Lennert Buytenhek <buytenh@gnu.org>
7 * $Id: br_private_stp.h,v 1.3 2001/02/05 06:03:47 davem Exp $
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
15 #ifndef _BR_PRIVATE_STP_H
16 #define _BR_PRIVATE_STP_H
18 #define BPDU_TYPE_CONFIG 0
19 #define BPDU_TYPE_TCN 0x80
23 unsigned topology_change:1;
24 unsigned topology_change_ack:1;
36 extern void br_become_root_bridge(struct net_bridge *br);
37 extern void br_config_bpdu_generation(struct net_bridge *);
38 extern void br_configuration_update(struct net_bridge *);
39 extern int br_is_designated_port(struct net_bridge_port *p);
40 extern int br_is_root_bridge(struct net_bridge *br);
41 extern void br_port_state_selection(struct net_bridge *);
42 extern void br_received_config_bpdu(struct net_bridge_port *p, struct br_config_bpdu *bpdu);
43 extern void br_received_tcn_bpdu(struct net_bridge_port *p);
44 extern void br_tick(unsigned long __data);
45 extern void br_transmit_config(struct net_bridge_port *p);
46 extern void br_transmit_tcn(struct net_bridge *br);
47 extern void br_topology_change_detection(struct net_bridge *br);
50 extern void br_send_config_bpdu(struct net_bridge_port *, struct br_config_bpdu *);
51 extern void br_send_tcn_bpdu(struct net_bridge_port *);