projects / people / ms / rstp.git / blame
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|---|---|---|
| ad02a0eb SH |
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 | typedef struct bridge_id | |
| 29 | { | |
| 30 | unsigned short prio; | |
| 31 | unsigned char addr[6]; | |
| 32 | } BRIDGE_ID; | |
| 33 | ||
| 34 | typedef unsigned short PORT_ID; | |
| 35 | ||
| 36 | typedef struct prio_vector_t { | |
| 37 | BRIDGE_ID root_bridge; | |
| 38 | unsigned long root_path_cost; | |
| 39 | BRIDGE_ID design_bridge; | |
| 40 | PORT_ID design_port; | |
| 41 | PORT_ID bridge_port; | |
| 42 | } PRIO_VECTOR_T; | |
| 43 | ||
| 44 | void | |
| 45 | STP_VECT_create (OUT PRIO_VECTOR_T* t, | |
| 46 | IN BRIDGE_ID* root_br, | |
| 47 | IN unsigned long root_path_cost, | |
| 48 | IN BRIDGE_ID* design_bridge, | |
| 49 | IN PORT_ID design_port, | |
| 50 | IN PORT_ID bridge_port); | |
| 51 | void | |
| 52 | STP_VECT_copy (OUT PRIO_VECTOR_T* t, IN PRIO_VECTOR_T* f); | |
| 53 | ||
| 54 | int | |
| 55 | STP_VECT_compare_bridge_id (IN BRIDGE_ID* b1, IN BRIDGE_ID* b2); | |
| 56 | ||
| 57 | int | |
| 58 | STP_VECT_compare_vector (IN PRIO_VECTOR_T* v1, IN PRIO_VECTOR_T* v2); | |
| 59 | ||
| 60 | void | |
| 61 | STP_VECT_get_vector (IN BPDU_BODY_T* b, OUT PRIO_VECTOR_T* v); | |
| 62 | ||
| 63 | void | |
| 64 | STP_VECT_set_vector (IN PRIO_VECTOR_T* v, OUT BPDU_BODY_T* b); | |
| 65 | ||
| 66 | #ifdef STP_DBG | |
| 67 | void | |
| 68 | STP_VECT_print (IN char* title, IN PRIO_VECTOR_T* v); | |
| 69 | ||
| 70 | void | |
| 71 | STP_VECT_br_id_print (IN char *title, IN BRIDGE_ID* br_id, IN Bool cr); | |
| 72 | ||
| 73 | #endif | |
| 74 | ||
| 75 | #endif /* _PRIO_VECTOR_H__ */ | |
| 76 | ||
| 77 |