/************************************************************************ * RSTP library - Rapid Spanning Tree (802.1t, 802.1w) * Copyright (C) 2001-2003 Optical Access * Author: Alex Rozin * * This file is part of RSTP library. * * RSTP library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by the * Free Software Foundation; version 2.1 * * RSTP library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser * General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with RSTP library; see the file COPYING. If not, write to the Free * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA * 02111-1307, USA. **********************************************************************/ /* Mutual RSTP definitions */ #ifndef _STP_BASE_H__ #define _STP_BASE_H__ #include <stdlib.h> #include <string.h> #define STP_DBG 1 #if defined(__LINUX__) || defined(__SUN__) # include <stddef.h> # include <stdio.h> # include <netinet/in.h> # include "uid_stp.h" #else # include <psos.h> # include "comdef.h" # include "comdef.x" # include "Bitmap/bitmap.h" # include "Bitmap/bitmap.x" # include "Ui/uid_stp.h" #endif #ifndef INOUT # define IN /* consider as comments near 'input' parameters */ # define OUT /* consider as comments near 'output' parameters */ # define INOUT /* consider as comments near 'input/output' parameters */ #endif #ifndef Zero # define Zero 0 # define One 1 #endif #ifndef Bool # define Bool int # define False 0 # define True 1 #endif #include "stp_bpdu.h" #include "vector.h" #include "times.h" #define RSTP_ERRORS { \ CHOOSE(STP_OK), \ CHOOSE(STP_Cannot_Find_Vlan), \ CHOOSE(STP_Implicit_Instance_Create_Failed), \ CHOOSE(STP_Small_Bridge_Priority), \ CHOOSE(STP_Large_Bridge_Priority), \ CHOOSE(STP_Small_Hello_Time), \ CHOOSE(STP_Large_Hello_Time), \ CHOOSE(STP_Small_Max_Age), \ CHOOSE(STP_Large_Max_Age), \ CHOOSE(STP_Small_Forward_Delay), \ CHOOSE(STP_Large_Forward_Delay), \ CHOOSE(STP_Forward_Delay_And_Max_Age_Are_Inconsistent),\ CHOOSE(STP_Hello_Time_And_Max_Age_Are_Inconsistent), \ CHOOSE(STP_Vlan_Had_Not_Yet_Been_Created), \ CHOOSE(STP_Port_Is_Absent_In_The_Vlan), \ CHOOSE(STP_Big_len8023_Format), \ CHOOSE(STP_Small_len8023_Format), \ CHOOSE(STP_len8023_Format_Gt_Len), \ CHOOSE(STP_Not_Proper_802_3_Packet), \ CHOOSE(STP_Invalid_Protocol), \ CHOOSE(STP_Invalid_Version), \ CHOOSE(STP_Had_Not_Yet_Been_Enabled_On_The_Vlan), \ CHOOSE(STP_Cannot_Create_Instance_For_Vlan), \ CHOOSE(STP_Cannot_Create_Instance_For_Port), \ CHOOSE(STP_Invalid_Bridge_Priority), \ CHOOSE(STP_There_Are_No_Ports), \ CHOOSE(STP_Cannot_Compute_Bridge_Prio), \ CHOOSE(STP_Another_Error), \ CHOOSE(STP_Nothing_To_Do), \ CHOOSE(STP_No_Such_State_Machine), \ CHOOSE(STP_LAST_DUMMY) \ } #define CHOOSE(a) a typedef enum RSTP_ERRORS RSTP_ERRORS_T; #undef CHOOSE #if !defined(__LINUX__) && !defined(__SUN__) extern char* strdup (const char *s); extern USHORT Ntohs (USHORT n); extern ULONG Htonl (ULONG h); extern USHORT Htons (USHORT h); extern ULONG Ntohl (ULONG n); #define htonl Htonl #define htons Htons #define ntohl Ntohl #define ntohs Ntohs #endif #if defined(__LINUX__) || defined(__SUN__) #ifdef STP_DBG #define STP_FATAL(TXT, MSG, EXCOD) \ {stp_trace ("FATAL:%s failed: %s:%d", TXT, MSG, EXCOD); \ exit (EXCOD);} #else #define STP_FATAL(TXT, MSG, EXCOD) \ abort(); #endif #else #define STP_FATAL(TXT, MSG, EXCOD) \ printf("FATAL: %s code %s:%d\n", TXT, MSG, EXCOD) #endif #define STP_MALLOC(PTR, TYPE, MSG) \ { \ PTR = (TYPE*) calloc (1, sizeof (TYPE)); \ if (! PTR) { \ STP_FATAL("malloc", MSG, -6); \ } \ } #define STP_FREE(PTR, MSG) \ { \ if (! PTR) { \ STP_FATAL("free", MSG, -66); \ } \ free (PTR); \ PTR = NULL; \ } #define STP_STRDUP(PTR, SRC, MSG) \ { \ PTR = strdup (SRC); \ if (! PTR) { \ STP_FATAL("strdup", MSG, -7); \ } \ } #define STP_NEW_IN_LIST(WHAT, TYPE, LIST, MSG) \ { \ STP_MALLOC(WHAT, TYPE, MSG); \ WHAT->next = LIST; \ LIST = WHAT; \ } /* for debug trace messages */ #ifdef STP_DBG #if defined(__LINUX__) extern char* sprint_time_stump (void); #define stp_trace(F, B...) printf("%s:" F "\n", sprint_time_stump(), ##B) #elif defined(__SUN__) #define stp_trace (*stp_vectors->trace) #else extern ULONG stp_trace (const char* fmt, ...); #endif #else /* !STP_DBG */ #define stp_trace(F, B...) ((void)0) #endif /* STP_DBG */ /* Inner usage definitions & functions */ #if defined(__LINUX__) || defined(__SUN__) # define RSTP_INIT_CRITICAL_PATH_PROTECTIO # define RSTP_CRITICAL_PATH_START # define RSTP_CRITICAL_PATH_END #else # define RSTP_INIT_CRITICAL_PATH_PROTECTIO STP_OUT_psos_init_semaphore () # define RSTP_CRITICAL_PATH_START STP_OUT_psos_close_semaphore () # define RSTP_CRITICAL_PATH_END STP_OUT_psos_open_semaphore () extern void STP_OUT_psos_init_semaphore (void); extern void STP_OUT_psos_close_semaphore (void); extern void STP_OUT_psos_open_semaphore (void); #endif #endif /* _STP_BASE_H__ */