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 /* Mutual RSTP definitions */ 24 25 #ifndef _STP_BASE_H__ 26 #define _STP_BASE_H__ 27 28 #include <stdlib.h> 29 #include <string.h> 30 31 #define STP_DBG 1 32 33 #if defined(__LINUX__) || defined(__SUN__) 34 # include <stddef.h> 35 # include <stdio.h> 36 # include <netinet/in.h> 37 # include "uid_stp.h" 38 #else 39 # include <psos.h> 40 # include "comdef.h" 41 # include "comdef.x" 42 # include "Bitmap/bitmap.h" 43 # include "Bitmap/bitmap.x" 44 # include "Ui/uid_stp.h" 45 #endif 46 47 #ifndef INOUT 48 # define IN /* consider as comments near 'input' parameters */ 49 # define OUT /* consider as comments near 'output' parameters */ 50 # define INOUT /* consider as comments near 'input/output' parameters */ 51 #endif 52 53 #ifndef Zero 54 # define Zero 0 55 # define One 1 56 #endif 57 58 #ifndef Bool 59 # define Bool int 60 # define False 0 61 # define True 1 62 #endif 63 64 #include "stp_bpdu.h" 65 #include "vector.h" 66 #include "times.h" 67 68 #define RSTP_ERRORS { \ 69 CHOOSE(STP_OK), \ 70 CHOOSE(STP_Cannot_Find_Vlan), \ 71 CHOOSE(STP_Implicit_Instance_Create_Failed), \ 72 CHOOSE(STP_Small_Bridge_Priority), \ 73 CHOOSE(STP_Large_Bridge_Priority), \ 74 CHOOSE(STP_Small_Hello_Time), \ 75 CHOOSE(STP_Large_Hello_Time), \ 76 CHOOSE(STP_Small_Max_Age), \ 77 CHOOSE(STP_Large_Max_Age), \ 78 CHOOSE(STP_Small_Forward_Delay), \ 79 CHOOSE(STP_Large_Forward_Delay), \ 80 CHOOSE(STP_Forward_Delay_And_Max_Age_Are_Inconsistent),\ 81 CHOOSE(STP_Hello_Time_And_Max_Age_Are_Inconsistent), \ 82 CHOOSE(STP_Vlan_Had_Not_Yet_Been_Created), \ 83 CHOOSE(STP_Port_Is_Absent_In_The_Vlan), \ 84 CHOOSE(STP_Big_len8023_Format), \ 85 CHOOSE(STP_Small_len8023_Format), \ 86 CHOOSE(STP_len8023_Format_Gt_Len), \ 87 CHOOSE(STP_Not_Proper_802_3_Packet), \ 88 CHOOSE(STP_Invalid_Protocol), \ 89 CHOOSE(STP_Invalid_Version), \ 90 CHOOSE(STP_Had_Not_Yet_Been_Enabled_On_The_Vlan), \ 91 CHOOSE(STP_Cannot_Create_Instance_For_Vlan), \ 92 CHOOSE(STP_Cannot_Create_Instance_For_Port), \ 93 CHOOSE(STP_Invalid_Bridge_Priority), \ 94 CHOOSE(STP_There_Are_No_Ports), \ 95 CHOOSE(STP_Cannot_Compute_Bridge_Prio), \ 96 CHOOSE(STP_Another_Error), \ 97 CHOOSE(STP_Nothing_To_Do), \ 98 CHOOSE(STP_No_Such_State_Machine), \ 99 CHOOSE(STP_LAST_DUMMY) \ 100 } 101 102 #define CHOOSE(a) a 103 typedef enum RSTP_ERRORS RSTP_ERRORS_T; 104 #undef CHOOSE 105 106 #if !defined(__LINUX__) && !defined(__SUN__) 107 extern char* strdup (const char *s); 108 109 extern USHORT Ntohs (USHORT n); 110 extern ULONG Htonl (ULONG h); 111 extern USHORT Htons (USHORT h); 112 extern ULONG Ntohl (ULONG n); 113 114 #define htonl Htonl 115 #define htons Htons 116 #define ntohl Ntohl 117 #define ntohs Ntohs 118 119 #endif 120 121 #if defined(__LINUX__) || defined(__SUN__) 122 #ifdef STP_DBG 123 #define STP_FATAL(TXT, MSG, EXCOD) \ 124 {stp_trace ("FATAL:%s failed: %s:%d", TXT, MSG, EXCOD); \ 125 exit (EXCOD);} 126 #else 127 #define STP_FATAL(TXT, MSG, EXCOD) \ 128 abort(); 129 #endif 130 #else 131 #define STP_FATAL(TXT, MSG, EXCOD) \ 132 printf("FATAL: %s code %s:%d\n", TXT, MSG, EXCOD) 133 #endif 134 135 #define STP_MALLOC(PTR, TYPE, MSG) \ 136 { \ 137 PTR = (TYPE*) calloc (1, sizeof (TYPE)); \ 138 if (! PTR) { \ 139 STP_FATAL("malloc", MSG, -6); \ 140 } \ 141 } 142 143 #define STP_FREE(PTR, MSG) \ 144 { \ 145 if (! PTR) { \ 146 STP_FATAL("free", MSG, -66); \ 147 } \ 148 free (PTR); \ 149 PTR = NULL; \ 150 } 151 152 #define STP_STRDUP(PTR, SRC, MSG) \ 153 { \ 154 PTR = strdup (SRC); \ 155 if (! PTR) { \ 156 STP_FATAL("strdup", MSG, -7); \ 157 } \ 158 } 159 160 #define STP_NEW_IN_LIST(WHAT, TYPE, LIST, MSG) \ 161 { \ 162 STP_MALLOC(WHAT, TYPE, MSG); \ 163 WHAT->next = LIST; \ 164 LIST = WHAT; \ 165 } 166 167 /* for debug trace messages */ 168 169 #ifdef STP_DBG 170 #if defined(__LINUX__) 171 extern char* sprint_time_stump (void); 172 #define stp_trace(F, B...) printf("%s:" F "\n", sprint_time_stump(), ##B) 173 #elif defined(__SUN__) 174 #define stp_trace (*stp_vectors->trace) 175 #else 176 extern ULONG stp_trace (const char* fmt, ...); 177 #endif 178 #else /* !STP_DBG */ 179 #define stp_trace(F, B...) ((void)0) 180 #endif /* STP_DBG */ 181 182 183 /* Inner usage definitions & functions */ 184 185 #if defined(__LINUX__) || defined(__SUN__) 186 # define RSTP_INIT_CRITICAL_PATH_PROTECTIO 187 # define RSTP_CRITICAL_PATH_START 188 # define RSTP_CRITICAL_PATH_END 189 #else 190 # define RSTP_INIT_CRITICAL_PATH_PROTECTIO STP_OUT_psos_init_semaphore () 191 # define RSTP_CRITICAL_PATH_START STP_OUT_psos_close_semaphore () 192 # define RSTP_CRITICAL_PATH_END STP_OUT_psos_open_semaphore () 193 extern void STP_OUT_psos_init_semaphore (void); 194 extern void STP_OUT_psos_close_semaphore (void); 195 extern void STP_OUT_psos_open_semaphore (void); 196 #endif 197 198 #endif /* _STP_BASE_H__ */ 199