1 files changed, 204 insertions, 0 deletions

diff --git a/drivers/net/skfp/lnkstat.c b/drivers/net/skfp/lnkstat.c
new file mode 100644
index 000000000000..00a248044f86
--- /dev/null
+++ b/drivers/net/skfp/lnkstat.c
@@ -0,0 +1,204 @@
+/******************************************************************************
+ *
+ *      (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(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(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(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(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) ;
+}
+