vector.h revision 10491:8893b747ecdf 
1/************************************************************************
2 * RSTP library - Rapid Spanning Tree (802.1t, 802.1w)
3 * Copyright (C) 2001-2003 Optical Access
4 * Author: Alex Rozin
5 *
6 * This file is part of RSTP library.
7 *
8 * RSTP library is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU Lesser General Public License as published by the
10 * Free Software Foundation; version 2.1
11 *
12 * RSTP library is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public License
18 * along with RSTP library; see the file COPYING.  If not, write to the Free
19 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
20 * 02111-1307, USA.
21 **********************************************************************/
22
23/* STP priority vectors API : 17.4.2 */
24
25#ifndef _PRIO_VECTOR_H__
26#define _PRIO_VECTOR_H__
27
28#define STP_DBG 1
29
30typedef struct bridge_id
31{
32  unsigned short    prio;
33  unsigned char     addr[6];
34} BRIDGE_ID;
35
36typedef unsigned short  PORT_ID;
37
38typedef struct prio_vector_t {
39  BRIDGE_ID root_bridge;
40  unsigned long root_path_cost;
41  BRIDGE_ID design_bridge;
42  PORT_ID   design_port;
43  PORT_ID   bridge_port;
44} PRIO_VECTOR_T;
45
46void
47STP_VECT_create (OUT PRIO_VECTOR_T* t,
48                 IN BRIDGE_ID* root_br,
49                 IN unsigned long root_path_cost,
50                 IN BRIDGE_ID* design_bridge,
51                 IN PORT_ID design_port,
52                 IN PORT_ID bridge_port);
53void
54STP_VECT_copy (OUT PRIO_VECTOR_T* t, IN PRIO_VECTOR_T* f);
55
56int
57STP_VECT_compare_bridge_id (IN BRIDGE_ID* b1, IN BRIDGE_ID* b2);
58
59int
60STP_VECT_compare_vector (IN PRIO_VECTOR_T* v1, IN PRIO_VECTOR_T* v2);
61
62void
63STP_VECT_get_vector (IN BPDU_BODY_T* b, OUT PRIO_VECTOR_T* v);
64
65void
66STP_VECT_set_vector (IN PRIO_VECTOR_T* v, OUT BPDU_BODY_T* b);
67
68#ifdef STP_DBG
69void
70STP_VECT_print (IN char* title, IN PRIO_VECTOR_T* v);
71
72void
73STP_VECT_br_id_print (IN char *title, IN BRIDGE_ID* br_id, IN Bool cr);
74
75#endif
76
77#endif /* _PRIO_VECTOR_H__ */
78
79
80