1*55fea89dSDan Cross /************************************************************************ 2*55fea89dSDan Cross * RSTP library - Rapid Spanning Tree (802.1t, 802.1w) 3*55fea89dSDan Cross * Copyright (C) 2001-2003 Optical Access 4*55fea89dSDan Cross * Author: Alex Rozin 5*55fea89dSDan Cross * 6*55fea89dSDan Cross * This file is part of RSTP library. 7*55fea89dSDan Cross * 8*55fea89dSDan Cross * RSTP library is free software; you can redistribute it and/or modify it 9*55fea89dSDan Cross * under the terms of the GNU Lesser General Public License as published by the 10*55fea89dSDan Cross * Free Software Foundation; version 2.1 11*55fea89dSDan Cross * 12*55fea89dSDan Cross * RSTP library is distributed in the hope that it will be useful, but 13*55fea89dSDan Cross * WITHOUT ANY WARRANTY; without even the implied warranty of 14*55fea89dSDan Cross * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 15*55fea89dSDan Cross * General Public License for more details. 16*55fea89dSDan Cross * 17*55fea89dSDan Cross * You should have received a copy of the GNU Lesser General Public License 18*55fea89dSDan Cross * along with RSTP library; see the file COPYING. If not, write to the Free 19*55fea89dSDan Cross * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 20*55fea89dSDan Cross * 02111-1307, USA. 214eaa4710SRishi Srivatsavai **********************************************************************/ 224eaa4710SRishi Srivatsavai 234eaa4710SRishi Srivatsavai /* Mutual RSTP definitions */ 24*55fea89dSDan Cross 254eaa4710SRishi Srivatsavai #ifndef _STP_BASE_H__ 264eaa4710SRishi Srivatsavai #define _STP_BASE_H__ 274eaa4710SRishi Srivatsavai 284eaa4710SRishi Srivatsavai #include <stdlib.h> 294eaa4710SRishi Srivatsavai #include <string.h> 304eaa4710SRishi Srivatsavai 314eaa4710SRishi Srivatsavai #define STP_DBG 1 324eaa4710SRishi Srivatsavai 334eaa4710SRishi Srivatsavai #if defined(__LINUX__) || defined(__SUN__) 344eaa4710SRishi Srivatsavai # include <stddef.h> 354eaa4710SRishi Srivatsavai # include <stdio.h> 364eaa4710SRishi Srivatsavai # include <netinet/in.h> 374eaa4710SRishi Srivatsavai # include "uid_stp.h" 384eaa4710SRishi Srivatsavai #else 394eaa4710SRishi Srivatsavai # include <psos.h> 404eaa4710SRishi Srivatsavai # include "comdef.h" 41*55fea89dSDan Cross # include "comdef.x" 424eaa4710SRishi Srivatsavai # include "Bitmap/bitmap.h" 434eaa4710SRishi Srivatsavai # include "Bitmap/bitmap.x" 444eaa4710SRishi Srivatsavai # include "Ui/uid_stp.h" 454eaa4710SRishi Srivatsavai #endif 464eaa4710SRishi Srivatsavai 474eaa4710SRishi Srivatsavai #ifndef INOUT 484eaa4710SRishi Srivatsavai # define IN /* consider as comments near 'input' parameters */ 494eaa4710SRishi Srivatsavai # define OUT /* consider as comments near 'output' parameters */ 504eaa4710SRishi Srivatsavai # define INOUT /* consider as comments near 'input/output' parameters */ 514eaa4710SRishi Srivatsavai #endif 524eaa4710SRishi Srivatsavai 534eaa4710SRishi Srivatsavai #ifndef Zero 544eaa4710SRishi Srivatsavai # define Zero 0 554eaa4710SRishi Srivatsavai # define One 1 564eaa4710SRishi Srivatsavai #endif 574eaa4710SRishi Srivatsavai 584eaa4710SRishi Srivatsavai #ifndef Bool 594eaa4710SRishi Srivatsavai # define Bool int 604eaa4710SRishi Srivatsavai # define False 0 614eaa4710SRishi Srivatsavai # define True 1 624eaa4710SRishi Srivatsavai #endif 634eaa4710SRishi Srivatsavai 644eaa4710SRishi Srivatsavai #include "stp_bpdu.h" 654eaa4710SRishi Srivatsavai #include "vector.h" 664eaa4710SRishi Srivatsavai #include "times.h" 674eaa4710SRishi Srivatsavai 684eaa4710SRishi Srivatsavai #define RSTP_ERRORS { \ 694eaa4710SRishi Srivatsavai CHOOSE(STP_OK), \ 704eaa4710SRishi Srivatsavai CHOOSE(STP_Cannot_Find_Vlan), \ 714eaa4710SRishi Srivatsavai CHOOSE(STP_Implicit_Instance_Create_Failed), \ 724eaa4710SRishi Srivatsavai CHOOSE(STP_Small_Bridge_Priority), \ 734eaa4710SRishi Srivatsavai CHOOSE(STP_Large_Bridge_Priority), \ 744eaa4710SRishi Srivatsavai CHOOSE(STP_Small_Hello_Time), \ 754eaa4710SRishi Srivatsavai CHOOSE(STP_Large_Hello_Time), \ 764eaa4710SRishi Srivatsavai CHOOSE(STP_Small_Max_Age), \ 774eaa4710SRishi Srivatsavai CHOOSE(STP_Large_Max_Age), \ 784eaa4710SRishi Srivatsavai CHOOSE(STP_Small_Forward_Delay), \ 794eaa4710SRishi Srivatsavai CHOOSE(STP_Large_Forward_Delay), \ 804eaa4710SRishi Srivatsavai CHOOSE(STP_Forward_Delay_And_Max_Age_Are_Inconsistent),\ 814eaa4710SRishi Srivatsavai CHOOSE(STP_Hello_Time_And_Max_Age_Are_Inconsistent), \ 824eaa4710SRishi Srivatsavai CHOOSE(STP_Vlan_Had_Not_Yet_Been_Created), \ 834eaa4710SRishi Srivatsavai CHOOSE(STP_Port_Is_Absent_In_The_Vlan), \ 844eaa4710SRishi Srivatsavai CHOOSE(STP_Big_len8023_Format), \ 854eaa4710SRishi Srivatsavai CHOOSE(STP_Small_len8023_Format), \ 864eaa4710SRishi Srivatsavai CHOOSE(STP_len8023_Format_Gt_Len), \ 874eaa4710SRishi Srivatsavai CHOOSE(STP_Not_Proper_802_3_Packet), \ 884eaa4710SRishi Srivatsavai CHOOSE(STP_Invalid_Protocol), \ 894eaa4710SRishi Srivatsavai CHOOSE(STP_Invalid_Version), \ 904eaa4710SRishi Srivatsavai CHOOSE(STP_Had_Not_Yet_Been_Enabled_On_The_Vlan), \ 914eaa4710SRishi Srivatsavai CHOOSE(STP_Cannot_Create_Instance_For_Vlan), \ 924eaa4710SRishi Srivatsavai CHOOSE(STP_Cannot_Create_Instance_For_Port), \ 934eaa4710SRishi Srivatsavai CHOOSE(STP_Invalid_Bridge_Priority), \ 944eaa4710SRishi Srivatsavai CHOOSE(STP_There_Are_No_Ports), \ 954eaa4710SRishi Srivatsavai CHOOSE(STP_Cannot_Compute_Bridge_Prio), \ 964eaa4710SRishi Srivatsavai CHOOSE(STP_Another_Error), \ 974eaa4710SRishi Srivatsavai CHOOSE(STP_Nothing_To_Do), \ 984eaa4710SRishi Srivatsavai CHOOSE(STP_No_Such_State_Machine), \ 994eaa4710SRishi Srivatsavai CHOOSE(STP_LAST_DUMMY) \ 1004eaa4710SRishi Srivatsavai } 1014eaa4710SRishi Srivatsavai 1024eaa4710SRishi Srivatsavai #define CHOOSE(a) a 1034eaa4710SRishi Srivatsavai typedef enum RSTP_ERRORS RSTP_ERRORS_T; 1044eaa4710SRishi Srivatsavai #undef CHOOSE 1054eaa4710SRishi Srivatsavai 1064eaa4710SRishi Srivatsavai #if !defined(__LINUX__) && !defined(__SUN__) 1074eaa4710SRishi Srivatsavai extern char* strdup (const char *s); 1084eaa4710SRishi Srivatsavai 109*55fea89dSDan Cross extern USHORT Ntohs (USHORT n); 110*55fea89dSDan Cross extern ULONG Htonl (ULONG h); 1114eaa4710SRishi Srivatsavai extern USHORT Htons (USHORT h); 1124eaa4710SRishi Srivatsavai extern ULONG Ntohl (ULONG n); 1134eaa4710SRishi Srivatsavai 1144eaa4710SRishi Srivatsavai #define htonl Htonl 1154eaa4710SRishi Srivatsavai #define htons Htons 1164eaa4710SRishi Srivatsavai #define ntohl Ntohl 1174eaa4710SRishi Srivatsavai #define ntohs Ntohs 1184eaa4710SRishi Srivatsavai 1194eaa4710SRishi Srivatsavai #endif 1204eaa4710SRishi Srivatsavai 1214eaa4710SRishi Srivatsavai #if defined(__LINUX__) || defined(__SUN__) 1224eaa4710SRishi Srivatsavai #ifdef STP_DBG 1234eaa4710SRishi Srivatsavai #define STP_FATAL(TXT, MSG, EXCOD) \ 1244eaa4710SRishi Srivatsavai {stp_trace ("FATAL:%s failed: %s:%d", TXT, MSG, EXCOD); \ 1254eaa4710SRishi Srivatsavai exit (EXCOD);} 1264eaa4710SRishi Srivatsavai #else 1274eaa4710SRishi Srivatsavai #define STP_FATAL(TXT, MSG, EXCOD) \ 1284eaa4710SRishi Srivatsavai abort(); 1294eaa4710SRishi Srivatsavai #endif 1304eaa4710SRishi Srivatsavai #else 1314eaa4710SRishi Srivatsavai #define STP_FATAL(TXT, MSG, EXCOD) \ 1324eaa4710SRishi Srivatsavai printf("FATAL: %s code %s:%d\n", TXT, MSG, EXCOD) 1334eaa4710SRishi Srivatsavai #endif 1344eaa4710SRishi Srivatsavai 1354eaa4710SRishi Srivatsavai #define STP_MALLOC(PTR, TYPE, MSG) \ 1364eaa4710SRishi Srivatsavai { \ 1374eaa4710SRishi Srivatsavai PTR = (TYPE*) calloc (1, sizeof (TYPE)); \ 1384eaa4710SRishi Srivatsavai if (! PTR) { \ 1394eaa4710SRishi Srivatsavai STP_FATAL("malloc", MSG, -6); \ 1404eaa4710SRishi Srivatsavai } \ 1414eaa4710SRishi Srivatsavai } 1424eaa4710SRishi Srivatsavai 1434eaa4710SRishi Srivatsavai #define STP_FREE(PTR, MSG) \ 1444eaa4710SRishi Srivatsavai { \ 1454eaa4710SRishi Srivatsavai if (! PTR) { \ 1464eaa4710SRishi Srivatsavai STP_FATAL("free", MSG, -66); \ 1474eaa4710SRishi Srivatsavai } \ 1484eaa4710SRishi Srivatsavai free (PTR); \ 1494eaa4710SRishi Srivatsavai PTR = NULL; \ 1504eaa4710SRishi Srivatsavai } 1514eaa4710SRishi Srivatsavai 1524eaa4710SRishi Srivatsavai #define STP_STRDUP(PTR, SRC, MSG) \ 1534eaa4710SRishi Srivatsavai { \ 1544eaa4710SRishi Srivatsavai PTR = strdup (SRC); \ 1554eaa4710SRishi Srivatsavai if (! PTR) { \ 1564eaa4710SRishi Srivatsavai STP_FATAL("strdup", MSG, -7); \ 1574eaa4710SRishi Srivatsavai } \ 1584eaa4710SRishi Srivatsavai } 1594eaa4710SRishi Srivatsavai 1604eaa4710SRishi Srivatsavai #define STP_NEW_IN_LIST(WHAT, TYPE, LIST, MSG) \ 1614eaa4710SRishi Srivatsavai { \ 1624eaa4710SRishi Srivatsavai STP_MALLOC(WHAT, TYPE, MSG); \ 1634eaa4710SRishi Srivatsavai WHAT->next = LIST; \ 1644eaa4710SRishi Srivatsavai LIST = WHAT; \ 1654eaa4710SRishi Srivatsavai } 1664eaa4710SRishi Srivatsavai 1674eaa4710SRishi Srivatsavai /* for debug trace messages */ 1684eaa4710SRishi Srivatsavai 1694eaa4710SRishi Srivatsavai #ifdef STP_DBG 1704eaa4710SRishi Srivatsavai #if defined(__LINUX__) 1714eaa4710SRishi Srivatsavai extern char* sprint_time_stump (void); 1724eaa4710SRishi Srivatsavai #define stp_trace(F, B...) printf("%s:" F "\n", sprint_time_stump(), ##B) 1734eaa4710SRishi Srivatsavai #elif defined(__SUN__) 1744eaa4710SRishi Srivatsavai #define stp_trace (*stp_vectors->trace) 1754eaa4710SRishi Srivatsavai #else 1764eaa4710SRishi Srivatsavai extern ULONG stp_trace (const char* fmt, ...); 1774eaa4710SRishi Srivatsavai #endif 1784eaa4710SRishi Srivatsavai #else /* !STP_DBG */ 1794eaa4710SRishi Srivatsavai #define stp_trace(F, B...) ((void)0) 1804eaa4710SRishi Srivatsavai #endif /* STP_DBG */ 1814eaa4710SRishi Srivatsavai 1824eaa4710SRishi Srivatsavai 1834eaa4710SRishi Srivatsavai /* Inner usage definitions & functions */ 1844eaa4710SRishi Srivatsavai 1854eaa4710SRishi Srivatsavai #if defined(__LINUX__) || defined(__SUN__) 1864eaa4710SRishi Srivatsavai # define RSTP_INIT_CRITICAL_PATH_PROTECTIO 1874eaa4710SRishi Srivatsavai # define RSTP_CRITICAL_PATH_START 1884eaa4710SRishi Srivatsavai # define RSTP_CRITICAL_PATH_END 1894eaa4710SRishi Srivatsavai #else 1904eaa4710SRishi Srivatsavai # define RSTP_INIT_CRITICAL_PATH_PROTECTIO STP_OUT_psos_init_semaphore () 1914eaa4710SRishi Srivatsavai # define RSTP_CRITICAL_PATH_START STP_OUT_psos_close_semaphore () 1924eaa4710SRishi Srivatsavai # define RSTP_CRITICAL_PATH_END STP_OUT_psos_open_semaphore () 1934eaa4710SRishi Srivatsavai extern void STP_OUT_psos_init_semaphore (void); 1944eaa4710SRishi Srivatsavai extern void STP_OUT_psos_close_semaphore (void); 1954eaa4710SRishi Srivatsavai extern void STP_OUT_psos_open_semaphore (void); 1964eaa4710SRishi Srivatsavai #endif 1974eaa4710SRishi Srivatsavai 1984eaa4710SRishi Srivatsavai #endif /* _STP_BASE_H__ */ 199