1*10491SRishi.Srivatsavai@Sun.COM /************************************************************************ 2*10491SRishi.Srivatsavai@Sun.COM * RSTP library - Rapid Spanning Tree (802.1t, 802.1w) 3*10491SRishi.Srivatsavai@Sun.COM * Copyright (C) 2001-2003 Optical Access 4*10491SRishi.Srivatsavai@Sun.COM * Author: Alex Rozin 5*10491SRishi.Srivatsavai@Sun.COM * 6*10491SRishi.Srivatsavai@Sun.COM * This file is part of RSTP library. 7*10491SRishi.Srivatsavai@Sun.COM * 8*10491SRishi.Srivatsavai@Sun.COM * RSTP library is free software; you can redistribute it and/or modify it 9*10491SRishi.Srivatsavai@Sun.COM * under the terms of the GNU Lesser General Public License as published by the 10*10491SRishi.Srivatsavai@Sun.COM * Free Software Foundation; version 2.1 11*10491SRishi.Srivatsavai@Sun.COM * 12*10491SRishi.Srivatsavai@Sun.COM * RSTP library is distributed in the hope that it will be useful, but 13*10491SRishi.Srivatsavai@Sun.COM * WITHOUT ANY WARRANTY; without even the implied warranty of 14*10491SRishi.Srivatsavai@Sun.COM * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 15*10491SRishi.Srivatsavai@Sun.COM * General Public License for more details. 16*10491SRishi.Srivatsavai@Sun.COM * 17*10491SRishi.Srivatsavai@Sun.COM * You should have received a copy of the GNU Lesser General Public License 18*10491SRishi.Srivatsavai@Sun.COM * along with RSTP library; see the file COPYING. If not, write to the Free 19*10491SRishi.Srivatsavai@Sun.COM * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 20*10491SRishi.Srivatsavai@Sun.COM * 02111-1307, USA. 21*10491SRishi.Srivatsavai@Sun.COM **********************************************************************/ 22*10491SRishi.Srivatsavai@Sun.COM 23*10491SRishi.Srivatsavai@Sun.COM /* STP PORT instance : 17.18, 17.15 */ 24*10491SRishi.Srivatsavai@Sun.COM 25*10491SRishi.Srivatsavai@Sun.COM #ifndef _STP_PORT_H__ 26*10491SRishi.Srivatsavai@Sun.COM #define _STP_PORT_H__ 27*10491SRishi.Srivatsavai@Sun.COM 28*10491SRishi.Srivatsavai@Sun.COM #include "statmch.h" 29*10491SRishi.Srivatsavai@Sun.COM 30*10491SRishi.Srivatsavai@Sun.COM #define TIMERS_NUMBER 9 31*10491SRishi.Srivatsavai@Sun.COM typedef unsigned int PORT_TIMER_T; 32*10491SRishi.Srivatsavai@Sun.COM 33*10491SRishi.Srivatsavai@Sun.COM typedef enum { 34*10491SRishi.Srivatsavai@Sun.COM Mine, 35*10491SRishi.Srivatsavai@Sun.COM Aged, 36*10491SRishi.Srivatsavai@Sun.COM Received, 37*10491SRishi.Srivatsavai@Sun.COM Disabled 38*10491SRishi.Srivatsavai@Sun.COM } INFO_IS_T; 39*10491SRishi.Srivatsavai@Sun.COM 40*10491SRishi.Srivatsavai@Sun.COM typedef enum { 41*10491SRishi.Srivatsavai@Sun.COM SuperiorDesignateMsg, 42*10491SRishi.Srivatsavai@Sun.COM RepeatedDesignateMsg, 43*10491SRishi.Srivatsavai@Sun.COM ConfirmedRootMsg, 44*10491SRishi.Srivatsavai@Sun.COM OtherMsg 45*10491SRishi.Srivatsavai@Sun.COM } RCVD_MSG_T; 46*10491SRishi.Srivatsavai@Sun.COM 47*10491SRishi.Srivatsavai@Sun.COM typedef enum { 48*10491SRishi.Srivatsavai@Sun.COM DisabledPort = 0, 49*10491SRishi.Srivatsavai@Sun.COM AlternatePort, 50*10491SRishi.Srivatsavai@Sun.COM BackupPort, 51*10491SRishi.Srivatsavai@Sun.COM RootPort, 52*10491SRishi.Srivatsavai@Sun.COM DesignatedPort, 53*10491SRishi.Srivatsavai@Sun.COM NonStpPort 54*10491SRishi.Srivatsavai@Sun.COM } PORT_ROLE_T; 55*10491SRishi.Srivatsavai@Sun.COM 56*10491SRishi.Srivatsavai@Sun.COM typedef struct port_t { 57*10491SRishi.Srivatsavai@Sun.COM struct port_t* next; 58*10491SRishi.Srivatsavai@Sun.COM 59*10491SRishi.Srivatsavai@Sun.COM /* per Port state machines */ 60*10491SRishi.Srivatsavai@Sun.COM STATE_MACH_T* info; /* 17.21 */ 61*10491SRishi.Srivatsavai@Sun.COM STATE_MACH_T* roletrns; /* 17.23 */ 62*10491SRishi.Srivatsavai@Sun.COM STATE_MACH_T* sttrans; /* 17.24 */ 63*10491SRishi.Srivatsavai@Sun.COM STATE_MACH_T* topoch; /* 17.25 */ 64*10491SRishi.Srivatsavai@Sun.COM STATE_MACH_T* migrate; /* 17.26 */ 65*10491SRishi.Srivatsavai@Sun.COM STATE_MACH_T* transmit; /* 17.26 */ 66*10491SRishi.Srivatsavai@Sun.COM STATE_MACH_T* p2p; /* 6.4.3, 6.5.1 */ 67*10491SRishi.Srivatsavai@Sun.COM STATE_MACH_T* edge; /* */ 68*10491SRishi.Srivatsavai@Sun.COM STATE_MACH_T* pcost; /* */ 69*10491SRishi.Srivatsavai@Sun.COM 70*10491SRishi.Srivatsavai@Sun.COM STATE_MACH_T* machines; /* list of machines */ 71*10491SRishi.Srivatsavai@Sun.COM 72*10491SRishi.Srivatsavai@Sun.COM struct stpm_t* owner; /* Bridge, that this port belongs to */ 73*10491SRishi.Srivatsavai@Sun.COM 74*10491SRishi.Srivatsavai@Sun.COM /* per port Timers */ 75*10491SRishi.Srivatsavai@Sun.COM PORT_TIMER_T fdWhile; /* 17.15.1 */ 76*10491SRishi.Srivatsavai@Sun.COM PORT_TIMER_T helloWhen; /* 17.15.2 */ 77*10491SRishi.Srivatsavai@Sun.COM PORT_TIMER_T mdelayWhile; /* 17.15.3 */ 78*10491SRishi.Srivatsavai@Sun.COM PORT_TIMER_T rbWhile; /* 17.15.4 */ 79*10491SRishi.Srivatsavai@Sun.COM PORT_TIMER_T rcvdInfoWhile;/* 17.15.5 */ 80*10491SRishi.Srivatsavai@Sun.COM PORT_TIMER_T rrWhile; /* 17.15.6 */ 81*10491SRishi.Srivatsavai@Sun.COM PORT_TIMER_T tcWhile; /* 17.15.7 */ 82*10491SRishi.Srivatsavai@Sun.COM PORT_TIMER_T txCount; /* 17.18.40 */ 83*10491SRishi.Srivatsavai@Sun.COM PORT_TIMER_T lnkWhile; 84*10491SRishi.Srivatsavai@Sun.COM 85*10491SRishi.Srivatsavai@Sun.COM PORT_TIMER_T* timers[TIMERS_NUMBER]; /*list of timers */ 86*10491SRishi.Srivatsavai@Sun.COM 87*10491SRishi.Srivatsavai@Sun.COM Bool agreed; /* 17.18.1 */ 88*10491SRishi.Srivatsavai@Sun.COM PRIO_VECTOR_T designPrio; /* 17.18.2 */ 89*10491SRishi.Srivatsavai@Sun.COM TIMEVALUES_T designTimes; /* 17.18.3 */ 90*10491SRishi.Srivatsavai@Sun.COM Bool forward; /* 17.18.4 */ 91*10491SRishi.Srivatsavai@Sun.COM Bool forwarding; /* 17.18.5 */ 92*10491SRishi.Srivatsavai@Sun.COM INFO_IS_T infoIs; /* 17.18.6 */ 93*10491SRishi.Srivatsavai@Sun.COM Bool initPm; /* 17.18.7 */ 94*10491SRishi.Srivatsavai@Sun.COM Bool learn; /* 17.18.8 */ 95*10491SRishi.Srivatsavai@Sun.COM Bool learning; /* 17.18.9 */ 96*10491SRishi.Srivatsavai@Sun.COM Bool mcheck; /* 17.18.10 */ 97*10491SRishi.Srivatsavai@Sun.COM PRIO_VECTOR_T msgPrio; /* 17.18.11 */ 98*10491SRishi.Srivatsavai@Sun.COM TIMEVALUES_T msgTimes; /* 17.18.12 */ 99*10491SRishi.Srivatsavai@Sun.COM Bool newInfo; /* 17.18.13 */ 100*10491SRishi.Srivatsavai@Sun.COM Bool operEdge; /* 17.18.14 */ 101*10491SRishi.Srivatsavai@Sun.COM Bool adminEdge; /* 17.18.14 */ 102*10491SRishi.Srivatsavai@Sun.COM Bool portEnabled; /* 17.18.15 */ 103*10491SRishi.Srivatsavai@Sun.COM PORT_ID port_id; /* 17.18.16 */ 104*10491SRishi.Srivatsavai@Sun.COM PRIO_VECTOR_T portPrio; /* 17.18.17 */ 105*10491SRishi.Srivatsavai@Sun.COM TIMEVALUES_T portTimes; /* 17.18.18 */ 106*10491SRishi.Srivatsavai@Sun.COM Bool proposed; /* 17.18.19 */ 107*10491SRishi.Srivatsavai@Sun.COM Bool proposing; /* 17.18.20 */ 108*10491SRishi.Srivatsavai@Sun.COM Bool rcvdBpdu; /* 17.18.21 */ 109*10491SRishi.Srivatsavai@Sun.COM RCVD_MSG_T rcvdMsg; /* 17.18.22 */ 110*10491SRishi.Srivatsavai@Sun.COM Bool rcvdRSTP; /* 17/18.23 */ 111*10491SRishi.Srivatsavai@Sun.COM Bool rcvdSTP; /* 17.18.24 */ 112*10491SRishi.Srivatsavai@Sun.COM Bool rcvdTc; /* 17.18.25 */ 113*10491SRishi.Srivatsavai@Sun.COM Bool rcvdTcAck; /* 17.18.26 */ 114*10491SRishi.Srivatsavai@Sun.COM Bool rcvdTcn; /* 17.18.27 */ 115*10491SRishi.Srivatsavai@Sun.COM Bool reRoot; /* 17.18.28 */ 116*10491SRishi.Srivatsavai@Sun.COM Bool reselect; /* 17.18.29 */ 117*10491SRishi.Srivatsavai@Sun.COM PORT_ROLE_T role; /* 17.18.30 */ 118*10491SRishi.Srivatsavai@Sun.COM Bool selected; /* 17.18.31 */ 119*10491SRishi.Srivatsavai@Sun.COM PORT_ROLE_T selectedRole; /* 17.18.32 */ 120*10491SRishi.Srivatsavai@Sun.COM Bool sendRSTP; /* 17.18.33 */ 121*10491SRishi.Srivatsavai@Sun.COM Bool sync; /* 17.18.34 */ 122*10491SRishi.Srivatsavai@Sun.COM Bool synced; /* 17.18.35 */ 123*10491SRishi.Srivatsavai@Sun.COM Bool tc; /* 17.18.36 */ 124*10491SRishi.Srivatsavai@Sun.COM Bool tcAck; /* 17.18.37 */ 125*10491SRishi.Srivatsavai@Sun.COM Bool tcProp; /* 17.18.38 */ 126*10491SRishi.Srivatsavai@Sun.COM 127*10491SRishi.Srivatsavai@Sun.COM Bool updtInfo; /* 17.18.41 */ 128*10491SRishi.Srivatsavai@Sun.COM 129*10491SRishi.Srivatsavai@Sun.COM /* message information */ 130*10491SRishi.Srivatsavai@Sun.COM unsigned char msgBpduVersion; 131*10491SRishi.Srivatsavai@Sun.COM unsigned char msgBpduType; 132*10491SRishi.Srivatsavai@Sun.COM unsigned char msgPortRole; 133*10491SRishi.Srivatsavai@Sun.COM unsigned char msgFlags; 134*10491SRishi.Srivatsavai@Sun.COM 135*10491SRishi.Srivatsavai@Sun.COM unsigned long adminPCost; /* may be ADMIN_PORT_PATH_COST_AUTO */ 136*10491SRishi.Srivatsavai@Sun.COM unsigned long operPCost; 137*10491SRishi.Srivatsavai@Sun.COM unsigned long operSpeed; 138*10491SRishi.Srivatsavai@Sun.COM unsigned long usedSpeed; 139*10491SRishi.Srivatsavai@Sun.COM int LinkDelay; /* TBD: LinkDelay may be managed ? */ 140*10491SRishi.Srivatsavai@Sun.COM Bool adminEnable; /* 'has LINK' */ 141*10491SRishi.Srivatsavai@Sun.COM Bool wasInitBpdu; 142*10491SRishi.Srivatsavai@Sun.COM Bool admin_non_stp; 143*10491SRishi.Srivatsavai@Sun.COM 144*10491SRishi.Srivatsavai@Sun.COM Bool p2p_recompute; 145*10491SRishi.Srivatsavai@Sun.COM Bool operPointToPointMac; 146*10491SRishi.Srivatsavai@Sun.COM ADMIN_P2P_T adminPointToPointMac; 147*10491SRishi.Srivatsavai@Sun.COM 148*10491SRishi.Srivatsavai@Sun.COM /* statistics */ 149*10491SRishi.Srivatsavai@Sun.COM unsigned long rx_cfg_bpdu_cnt; 150*10491SRishi.Srivatsavai@Sun.COM unsigned long rx_rstp_bpdu_cnt; 151*10491SRishi.Srivatsavai@Sun.COM unsigned long rx_tcn_bpdu_cnt; 152*10491SRishi.Srivatsavai@Sun.COM 153*10491SRishi.Srivatsavai@Sun.COM unsigned long uptime; /* 14.8.2.1.3.a */ 154*10491SRishi.Srivatsavai@Sun.COM 155*10491SRishi.Srivatsavai@Sun.COM int port_index; 156*10491SRishi.Srivatsavai@Sun.COM char* port_name; 157*10491SRishi.Srivatsavai@Sun.COM 158*10491SRishi.Srivatsavai@Sun.COM #ifdef STP_DBG 159*10491SRishi.Srivatsavai@Sun.COM unsigned int skip_rx; 160*10491SRishi.Srivatsavai@Sun.COM unsigned int skip_tx; 161*10491SRishi.Srivatsavai@Sun.COM #endif 162*10491SRishi.Srivatsavai@Sun.COM } PORT_T; 163*10491SRishi.Srivatsavai@Sun.COM 164*10491SRishi.Srivatsavai@Sun.COM PORT_T* 165*10491SRishi.Srivatsavai@Sun.COM STP_port_create (struct stpm_t* stpm, int port_index); 166*10491SRishi.Srivatsavai@Sun.COM 167*10491SRishi.Srivatsavai@Sun.COM void 168*10491SRishi.Srivatsavai@Sun.COM STP_port_delete (PORT_T* this); 169*10491SRishi.Srivatsavai@Sun.COM 170*10491SRishi.Srivatsavai@Sun.COM int 171*10491SRishi.Srivatsavai@Sun.COM STP_port_rx_bpdu (PORT_T* this, BPDU_T* bpdu, size_t len); 172*10491SRishi.Srivatsavai@Sun.COM 173*10491SRishi.Srivatsavai@Sun.COM void 174*10491SRishi.Srivatsavai@Sun.COM STP_port_init (PORT_T* this, struct stpm_t* stpm, Bool check_link); 175*10491SRishi.Srivatsavai@Sun.COM 176*10491SRishi.Srivatsavai@Sun.COM #ifdef STP_DBG 177*10491SRishi.Srivatsavai@Sun.COM int 178*10491SRishi.Srivatsavai@Sun.COM STP_port_trace_state_machine (PORT_T* this, char* mach_name, int enadis); 179*10491SRishi.Srivatsavai@Sun.COM 180*10491SRishi.Srivatsavai@Sun.COM void 181*10491SRishi.Srivatsavai@Sun.COM STP_port_trace_flags (char* title, PORT_T* this); 182*10491SRishi.Srivatsavai@Sun.COM #endif 183*10491SRishi.Srivatsavai@Sun.COM 184*10491SRishi.Srivatsavai@Sun.COM #endif /* _STP_PORT_H__ */ 185*10491SRishi.Srivatsavai@Sun.COM 186