]>
git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - net/bridge/br_private_stp.h
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;
35 /* called under bridge lock */
36 static inline int br_is_designated_port(const struct net_bridge_port
*p
)
38 return !memcmp(&p
->designated_bridge
, &p
->br
->bridge_id
, 8) &&
39 (p
->designated_port
== p
->port_id
);
44 extern void br_become_root_bridge(struct net_bridge
*br
);
45 extern void br_config_bpdu_generation(struct net_bridge
*);
46 extern void br_configuration_update(struct net_bridge
*);
47 extern void br_port_state_selection(struct net_bridge
*);
48 extern void br_received_config_bpdu(struct net_bridge_port
*p
, struct br_config_bpdu
*bpdu
);
49 extern void br_received_tcn_bpdu(struct net_bridge_port
*p
);
50 extern void br_transmit_config(struct net_bridge_port
*p
);
51 extern void br_transmit_tcn(struct net_bridge
*br
);
52 extern void br_topology_change_detection(struct net_bridge
*br
);
55 extern void br_send_config_bpdu(struct net_bridge_port
*, struct br_config_bpdu
*);
56 extern void br_send_tcn_bpdu(struct net_bridge_port
*);