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