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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /net/bridge/br_private_stp.h
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'net/bridge/br_private_stp.h')
-rw-r--r--net/bridge/br_private_stp.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/net/bridge/br_private_stp.h b/net/bridge/br_private_stp.h
new file mode 100644
index 000000000000..e29f01ac1adf
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+++ b/net/bridge/br_private_stp.h
@@ -0,0 +1,58 @@
1/*
2 * Linux ethernet bridge
3 *
4 * Authors:
5 * Lennert Buytenhek <buytenh@gnu.org>
6 *
7 * $Id: br_private_stp.h,v 1.3 2001/02/05 06:03:47 davem Exp $
8 *
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.
13 */
14
15#ifndef _BR_PRIVATE_STP_H
16#define _BR_PRIVATE_STP_H
17
18#define BPDU_TYPE_CONFIG 0
19#define BPDU_TYPE_TCN 0x80
20
21struct br_config_bpdu
22{
23 unsigned topology_change:1;
24 unsigned topology_change_ack:1;
25 bridge_id root;
26 int root_path_cost;
27 bridge_id bridge_id;
28 port_id port_id;
29 int message_age;
30 int max_age;
31 int hello_time;
32 int forward_delay;
33};
34
35/* called under bridge lock */
36static inline int br_is_designated_port(const struct net_bridge_port *p)
37{
38 return !memcmp(&p->designated_bridge, &p->br->bridge_id, 8) &&
39 (p->designated_port == p->port_id);
40}
41
42
43/* br_stp.c */
44extern void br_become_root_bridge(struct net_bridge *br);
45extern void br_config_bpdu_generation(struct net_bridge *);
46extern void br_configuration_update(struct net_bridge *);
47extern void br_port_state_selection(struct net_bridge *);
48extern void br_received_config_bpdu(struct net_bridge_port *p, struct br_config_bpdu *bpdu);
49extern void br_received_tcn_bpdu(struct net_bridge_port *p);
50extern void br_transmit_config(struct net_bridge_port *p);
51extern void br_transmit_tcn(struct net_bridge *br);
52extern void br_topology_change_detection(struct net_bridge *br);
53
54/* br_stp_bpdu.c */
55extern void br_send_config_bpdu(struct net_bridge_port *, struct br_config_bpdu *);
56extern void br_send_tcn_bpdu(struct net_bridge_port *);
57
58#endif