diff options
Diffstat (limited to 'drivers/net/skfp/lnkstat.c')
| -rw-r--r-- | drivers/net/skfp/lnkstat.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/drivers/net/skfp/lnkstat.c b/drivers/net/skfp/lnkstat.c new file mode 100644 index 000000000..7d2d94eae --- /dev/null +++ b/drivers/net/skfp/lnkstat.c @@ -0,0 +1,209 @@ +/****************************************************************************** + * + * (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) ; +} |