lnkstat.c
上传用户:jlfgdled
上传日期:2013-04-10
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文件大小:5k
- /******************************************************************************
- *
- * (C)Copyright 1998,1999 SysKonnect,
- * a business unit of Schneider & Koch & Co. Datensysteme GmbH.
- *
- * See the file "skfddi.c" for further information.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * The information in this file is provided "AS IS" without warranty.
- *
- ******************************************************************************/
- /*
- IBM FDDI read error log function
- */
- #include "h/types.h"
- #include "h/fddi.h"
- #include "h/smc.h"
- #include "h/lnkstat.h"
- #ifndef lint
- static const char ID_sccs[] = "@(#)lnkstat.c 1.8 97/04/11 (C) SK " ;
- #endif
- #ifdef sun
- #define _far
- #endif
- #define EL_IS_OK(x,l) ((((int)&(((struct s_error_log *)0)->x)) +
- sizeof(er->x)) <= l)
- /*
- BEGIN_MANUAL_ENTRY(if,func;others;11)
- u_long smt_get_error_word(smc)
- struct s_smc *smc ;
- Function DOWNCALL (SMT, lnkstat.c)
- This functions returns the SMT error work for AIX events.
- Return smt_error_word These bits are supported:
- SMT_ERL_ALC == [PS/PA].fddiPORTLerFlag
- SMT_ERL_BLC == [PB].fddiPORTLerFlag
- SMT_ERL_NCC == fddiMACNotCopiedFlag
- SMT_ERL_FEC == fddiMACFrameErrorFlag
- END_MANUAL_ENTRY()
- */
- u_long smt_get_error_word(smc)
- struct s_smc *smc ;
- {
- u_long st;
- /*
- * smt error word low
- */
- st = 0 ;
- if (smc->s.sas == SMT_SAS) {
- if (smc->mib.p[PS].fddiPORTLerFlag)
- st |= SMT_ERL_ALC ;
- }
- else {
- if (smc->mib.p[PA].fddiPORTLerFlag)
- st |= SMT_ERL_ALC ;
- if (smc->mib.p[PB].fddiPORTLerFlag)
- st |= SMT_ERL_BLC ;
- }
- if (smc->mib.m[MAC0].fddiMACNotCopiedFlag)
- st |= SMT_ERL_NCC ; /* not copied condition */
- if (smc->mib.m[MAC0].fddiMACFrameErrorFlag)
- st |= SMT_ERL_FEC ; /* frame error condition */
- return st;
- }
- /*
- BEGIN_MANUAL_ENTRY(if,func;others;11)
- u_long smt_get_event_word(smc)
- struct s_smc *smc ;
- Function DOWNCALL (SMT, lnkstat.c)
- This functions returns the SMT event work for AIX events.
- Return smt_event_word always 0
- END_MANUAL_ENTRY()
- */
- u_long smt_get_event_word(smc)
- struct s_smc *smc ;
- {
- return (u_long) 0;
- }
- /*
- BEGIN_MANUAL_ENTRY(if,func;others;11)
- u_long smt_get_port_event_word(smc)
- struct s_smc *smc ;
- Function DOWNCALL (SMT, lnkstat.c)
- This functions returns the SMT port event work for AIX events.
- Return smt_port_event_word always 0
- END_MANUAL_ENTRY()
- */
- u_long smt_get_port_event_word(smc)
- struct s_smc *smc ;
- {
- return (u_long) 0;
- }
- /*
- BEGIN_MANUAL_ENTRY(if,func;others;11)
- u_long smt_read_errorlog(smc,p,len)
- struct s_smc *smc ;
- char _far *p ;
- int len ;
- Function DOWNCALL (SMT, lnkstat.c)
- This functions returns the SMT error log field for AIX events.
- Para p pointer to the error log field
- len len of the error log field
- Return len used len of the error log field
- END_MANUAL_ENTRY()
- */
- int smt_read_errorlog(smc,p,len)
- struct s_smc *smc ;
- char _far *p ;
- int len ;
- {
- int i ;
- int st ;
- struct s_error_log _far *er ;
- er = (struct s_error_log _far *) p ;
- if (len > sizeof(struct s_error_log))
- len = sizeof(struct s_error_log) ;
- for (i = 0 ; i < len ; i++)
- *p++ = 0 ;
- /*
- * set count
- */
- if (EL_IS_OK(set_count_high,len)) {
- er->set_count_low = (u_short)smc->mib.fddiSMTSetCount.count ;
- er->set_count_high =
- (u_short)(smc->mib.fddiSMTSetCount.count >> 16L) ;
- }
- /*
- * aci
- */
- if (EL_IS_OK(aci_id_code,len)) {
- er->aci_id_code = 0 ;
- }
- /*
- * purge counter is missed frames; 16 bits only
- */
- if (EL_IS_OK(purge_frame_counter,len)) {
- if (smc->mib.m[MAC0].fddiMACCopied_Ct > 0xffff)
- er->purge_frame_counter = 0xffff ;
- else
- er->purge_frame_counter =
- (u_short)smc->mib.m[MAC0].fddiMACCopied_Ct ;
- }
- /*
- * CMT and RMT state machines
- */
- if (EL_IS_OK(ecm_state,len))
- er->ecm_state = smc->mib.fddiSMTECMState ;
- if (EL_IS_OK(pcm_b_state,len)) {
- if (smc->s.sas == SMT_SAS) {
- er->pcm_a_state = smc->y[PS].mib->fddiPORTPCMState ;
- er->pcm_b_state = 0 ;
- }
- else {
- er->pcm_a_state = smc->y[PA].mib->fddiPORTPCMState ;
- er->pcm_b_state = smc->y[PB].mib->fddiPORTPCMState ;
- }
- }
- if (EL_IS_OK(cfm_state,len))
- er->cfm_state = smc->mib.fddiSMTCF_State ;
- if (EL_IS_OK(rmt_state,len))
- er->rmt_state = smc->mib.m[MAC0].fddiMACRMTState ;
- /*
- * smt error word low (we only need the low order 16 bits.)
- */
- st = smt_get_error_word(smc) & 0xffff ;
- if (EL_IS_OK(smt_error_low,len))
- er->smt_error_low = st ;
- if (EL_IS_OK(ucode_version_level,len))
- er->ucode_version_level = 0x0101 ;
- return(len) ;
- }