xref: /illumos-gate/usr/src/lib/librstp/common/vector.h (revision 55fea89d)
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 
30 typedef struct bridge_id
31 {
32   unsigned short    prio;
33   unsigned char     addr[6];
34 } BRIDGE_ID;
35 
36 typedef unsigned short  PORT_ID;
37 
38 typedef 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 
46 void
47 STP_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);
53 void
54 STP_VECT_copy (OUT PRIO_VECTOR_T* t, IN PRIO_VECTOR_T* f);
55 
56 int
57 STP_VECT_compare_bridge_id (IN BRIDGE_ID* b1, IN BRIDGE_ID* b2);
58 
59 int
60 STP_VECT_compare_vector (IN PRIO_VECTOR_T* v1, IN PRIO_VECTOR_T* v2);
61 
62 void
63 STP_VECT_get_vector (IN BPDU_BODY_T* b, OUT PRIO_VECTOR_T* v);
64 
65 void
66 STP_VECT_set_vector (IN PRIO_VECTOR_T* v, OUT BPDU_BODY_T* b);
67 
68 #ifdef STP_DBG
69 void
70 STP_VECT_print (IN char* title, IN PRIO_VECTOR_T* v);
71 
72 void
73 STP_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