📄 lms.c
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/********************************************************************/
/* Product Name: mpls */
/* Module Name: protocol */
/* File Name: lms.c */
/* Author Name: weng.qing */
/* Creat Date: 01/01/2002 */
/* Version : 1.0 */
/* Function : mpls label manager function */
/* History : szh mod 2002-6-18 16:09 */
/* 02-12-12 szh mod for avoid error */
/* wengqing 2002.12.25 modify get_gen_label and rel_gen_label */
/* szh 2003-1-9 init genlabel_head and modify apartgenlbl */
/* szh 2003-2-10 add protect exceed data limit in mpls_lms_init */
/* hyh 2003-3-24 modify mpls_ifindex2module,get port from MplsPortDataTable */
/* szh 2003-3-25 在运行版本中去掉assert() */
/* 2003.06.09 shizhaohui 增加APC类型的单板 */
/* 2003-8-13 szhmod 修改函数rel_busy_flag的错误 */
/* szh mod 2003-8-29 改成从MplsPortDataTable1中取数据是为了避免当有配
置发生变化时，MplsPortDataTable是发消息到MFU要数据，在发消息时此表是清
空的，如果这个时候LDP建路会发生错误这种情况。 当MplsPortDataTable从MFU
要全数据后再更改MplsPortDataTable1 */
/* 2003-11-12 szh mod MplsPortDataTable1代替MplsPortDataTable
/*2003.11.27 Lixia 如果VPI=0,VCI=32,那么从34开始 */
/* 2003-12-1 szh mod MplsPortDataTable to MplsPortDataTable1 in func mpls_lms_init
/* 2003-12-10 lixia add for debug mpls */
/* 2004-2-4 szh add 修改获取vpi,vci标签值的方法
/********************************************************************/
#include "lms.h"
#include "lmsfunc.h"
#include "mplsni.h"
#include "mpls_mgr.h"
#include "mpls.h"
#include "ldpvars.h"
/************************************************************************/
/* for atm label v2.1.3 per LIC 14k vcs, so 16k is enough */
/* not support configuration change */
/************************************************************************/
mpls_label_busy_flags local_label_busy_flags;
genlabel_link *genlabel_head=MPLS_NULL;
unsigned char genlabel_busy_flag = 0, genlbl_min_busy = 0;
mplsPort_t MplsPortDataTable, MplsPortDataTable1;
PROTO_MEM_MGR genlblmem;
/*
void mpls_lms_init()
{
MPLS_MEMSET(&local_label_busy_flags, 0,
sizeof(mpls_label_busy_flags));
local_label_busy_flags.interface_num = 2;
local_label_busy_flags.interface[0] = 1;
local_label_busy_flags.maxvci[0] = 127;
local_label_busy_flags.interface[1] = 7;
local_label_busy_flags.maxvci[1] = 127;
return;
}
*/
/***********************************************************************/
/* FUNCTION NAME : mpls_lms_init()
/* DESCRIPTION: : atm label init
/* INPUT : void
/* OUTPUT : void
/* AUTHOR/DATE : shi.zhaohui
/* GLOBAL : none
/* History :
/* 2003-12-1 szh mod MplsPortDataTable to MplsPortDataTable1
/* 2004-2-4 szh add 对current vpivci的赋值
/************************************************************************/
void mpls_lms_init()
{
unsigned char module;
unsigned short i, j, t, temp;
short res;
/* init in other place */
/* MPLS_MEMSET(&local_label_busy_flags, 0,sizeof(mpls_label_busy_flags)); */
if(local_label_busy_flags.interface_num == 0) /* first get config data */
{
for(i = 0, j = 0; i < MplsPortDataTable1.num; i++)
{
#ifdef __INSTALL_V22
if(((MplsPortDataTable1.mplsModule[i].cardType >=MPLS_CARDTYPE_LIC1)
&&(MplsPortDataTable1.mplsModule[i].cardType <=MPLS_APCLIC_END))||
((MplsPortDataTable1.mplsModule[i].cardType >=MPLS_CARDTYPE_GEI)
&&(MplsPortDataTable1.mplsModule[i].cardType <=MPLS_GEICARD_END))||
((MplsPortDataTable1.mplsModule[i].cardType >=MPLS_CARDTYPE_MPU)
&&(MplsPortDataTable1.mplsModule[i].cardType <=MPLS_MPU_END)))
#else
if((MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC1)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC2)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC3)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC4)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC5)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC6)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC7)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC8)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC9)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC10)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_MPU))
#endif
{
for(t = 0; t < MplsPortDataTable1.mplsModule[i].num; t++)
{
local_label_busy_flags.interface[j].module =
MplsPortDataTable1.mplsModule[i].module ;
local_label_busy_flags.interface[j].port =
MplsPortDataTable1.mplsModule[i].portData[t].port;
local_label_busy_flags.minvci[j] =
MplsPortDataTable1.mplsModule[i].portData[t].atmfAtmLayerMinSvccVci;
local_label_busy_flags.maxvci[j] =
(0x01 << MplsPortDataTable1.mplsModule[i].portData[t].atmInterfaceMaxActiveVciBits) -1;
local_label_busy_flags.minvpi[j] = 0;
local_label_busy_flags.maxvpi[j] =
MplsPortDataTable1.mplsModule[i].portData[t].atmfAtmLayerMaxSvccVpi;
local_label_busy_flags.currhuntvpi[j] = 0;
local_label_busy_flags.currhuntvci[j] = local_label_busy_flags.minvci[j];
j++;
local_label_busy_flags.interface_num++;
/* add protect exceed data limit szh 2003-2-10 */
if(local_label_busy_flags.interface_num>=MPLS_LDP_INTERFACE_NUMBER)
{
DEBUG_OUT(DEBUG_OWNER_MPLS, DEBUG_LEVEL_MPLS_LSP,"first get config data too much !!!!\n ");
printf(" get config data too much !!!! ");
return;
}
}
}
}
}
else /* online get new config data */
{
if(local_label_busy_flags.interface_num>=MPLS_LDP_INTERFACE_NUMBER)
{
DEBUG_OUT(DEBUG_OWNER_MPLS, DEBUG_LEVEL_MPLS_LSP,"online get config data too much !!!!\n ");
printf(" get config data too much !!!! ");
return;
}
for(i = 0; i < MplsPortDataTable1.num; i++)
{
#ifdef __INSTALL_V22
if(((MplsPortDataTable1.mplsModule[i].cardType >=MPLS_CARDTYPE_LIC1)
&&(MplsPortDataTable1.mplsModule[i].cardType <=MPLS_APCLIC_END))||
((MplsPortDataTable1.mplsModule[i].cardType >=MPLS_CARDTYPE_GEI)
&&(MplsPortDataTable1.mplsModule[i].cardType <=MPLS_GEICARD_END))||
((MplsPortDataTable1.mplsModule[i].cardType >=MPLS_CARDTYPE_MPU)
&&(MplsPortDataTable1.mplsModule[i].cardType <=MPLS_MPU_END)))
#else
if((MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC1)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC2)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC3)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC4)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC5)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC6)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC7)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC8)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC9)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_LIC10)||
(MplsPortDataTable1.mplsModule[i].cardType == MPLS_CARDTYPE_MPU))
#endif
{
for(j = 0; j < MplsPortDataTable1.mplsModule[i].num; j++)
{
res = lms_searchport(MplsPortDataTable1.mplsModule[i].module,
MplsPortDataTable1.mplsModule[i].portData[j].port);
if(res == -1)
{
temp = local_label_busy_flags.interface_num;
local_label_busy_flags.interface[temp].module =
MplsPortDataTable1.mplsModule[i].module ;
local_label_busy_flags.interface[temp].port =
MplsPortDataTable1.mplsModule[i].portData[j].port;
local_label_busy_flags.minvci[temp] =
MplsPortDataTable1.mplsModule[i].portData[j].atmfAtmLayerMinSvccVci;
local_label_busy_flags.maxvci[temp] =
(0x01 << MplsPortDataTable1.mplsModule[i].portData[j].atmInterfaceMaxActiveVciBits) -1;
local_label_busy_flags.minvpi[temp] = 0;
local_label_busy_flags.maxvpi[temp] =
MplsPortDataTable1.mplsModule[i].portData[j].atmfAtmLayerMaxSvccVpi;
local_label_busy_flags.currhuntvpi[temp] = 0;
local_label_busy_flags.currhuntvci[temp] = local_label_busy_flags.minvci[temp];
MPLS_MEMSET(&(local_label_busy_flags.busyAtmLabelFlags[temp][0]), 0, 2048*sizeof(unsigned char));
local_label_busy_flags.interface_num++;
if(local_label_busy_flags.interface_num>=MPLS_LDP_INTERFACE_NUMBER)
{
DEBUG_OUT(DEBUG_OWNER_MPLS, DEBUG_LEVEL_MPLS_LSP,"online 2 get config data too much !!!!\n ");
printf(" get config data too much !!!! ");
return;
}
}
else
{
local_label_busy_flags.interface[res].module =
MplsPortDataTable1.mplsModule[i].module;
local_label_busy_flags.interface[res].port =
MplsPortDataTable1.mplsModule[i].portData[j].port;
local_label_busy_flags.minvci[res] =
MplsPortDataTable1.mplsModule[i].portData[j].atmfAtmLayerMinSvccVci;
local_label_busy_flags.maxvci[res] =
(0x01 << MplsPortDataTable1.mplsModule[i].portData[j].atmInterfaceMaxActiveVciBits) -1;
local_label_busy_flags.minvpi[res] = 0;
local_label_busy_flags.maxvpi[res] =
MplsPortDataTable1.mplsModule[i].portData[j].atmfAtmLayerMaxSvccVpi;
}
}
}
}
}
}
short lms_searchport(unsigned char module, unsigned short port)
{
unsigned short i, flag = 0, tuple;
for(i = 0; i < local_label_busy_flags.interface_num; i++)
{
if((local_label_busy_flags.interface[i].module == module)&&
(local_label_busy_flags.interface[i].port == port))
{
tuple = i;
flag = 1;
break;
}
}
if(flag != 0)
{
return tuple;
}
else
return -1; /* new config module */
}
/***********************************************************************/
/* FUNCTION NAME : mpls_genlbl_mem_init()
/* DESCRIPTION: : gen label init
/* INPUT : void
/* OUTPUT : void
/* AUTHOR/DATE : shi.zhaohui 2002/07/10
/* GLOBAL : none
/* History :
/************************************************************************/
void mpls_genlbl_mem_init()
{
MPLS_MEMSET(&genlblmem, 0, sizeof(PROTO_MEM_MGR));
genlblmem.alloc_type = ALLOC_TYPE_FROM_MMQ;
genlblmem.mmq_max = LMS_ALLOC_UNITS;
genlblmem.mmq_size = sizeof(genlabel_link);
/* wengqing modify for memory manager init 2002.12.25 */
if(MPLS_INIT_MMGR(genlblmem) != LMS_ALLOC_UNITS)
/*if(&genlblmem == MPLS_NULL)*/
{
printf(" no apply gen label memory !!!!");
#ifdef MPLS_LMS_DEBUG
MPLS_ASSERT(&genlblmem);
#endif
}
genlabel_head = MPLS_NULL;
return ;
}
/***********************************************************************/
/* FUNCTION NAME : mpls_check_label_busy()
/* DESCRIPTION: :
/* INPUT : unsigned long sit, unsigned char * head
/* OUTPUT : bool
/* AUTHOR/DATE : weng.qing
/* GLOBAL : none
/* History :
/************************************************************************/
MPLS_BOOL mpls_check_label_busy( unsigned long sit, unsigned char * head)
{
unsigned long byte_sit ;
unsigned long bit_sit ;
unsigned char * base;
byte_sit = (sit>>3);
base = head+byte_sit;
bit_sit = sit - (byte_sit<<3);
if(!(*(base)&(0x80>>bit_sit)))
{
(*base) |= (0x80>>bit_sit);
return MPLS_FALSE;
}
else
return MPLS_TRUE;
}
/***********************************************************************/
/* FUNCTION NAME : mpls_rel_label_busy()
/* DESCRIPTION: :
/* INPUT : unsigned long sit, unsigned char * head
/* OUTPUT : bool
/* AUTHOR/DATE : weng.qing
/* GLOBAL : none
/* History :
/************************************************************************/
MPLS_BOOL mpls_rel_label_busy( unsigned long sit, unsigned char * head)
{
unsigned long byte_sit ;
unsigned long bit_sit ;
unsigned char * base;
byte_sit = (sit>>3);
base = head+byte_sit;
bit_sit = sit - (byte_sit<<3);
(*base) &= ~(0x80>>bit_sit);
return MPLS_FALSE;
}
/***********************************************************************/
/* FUNCTION NAME : mpls_get_lms_label()
/* DESCRIPTION: : send all message from prot_tcp
/* INPUT : mpls_lms_label_req * label_req,
mpls_lms_label_ack * label_ack
/* OUTPUT : void
/* AUTHOR/DATE : weng.qing/ 02.06.19
/* GLOBAL : none
/* History : shi.zhaohui mod
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