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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-07-31 00:06:29 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-08-27 00:58:13 -0700
commit33f810b2036f13f1b123062a9e5c1794d400ce81 (patch)
tree370b55026f4bd856e96842f86af631ca2bab3da2 /drivers/net/skfp/srf.c
parent3cd0999d134235d64b175edd2eb1d46ebc97b377 (diff)
fddi: Move the FDDI drivers
Move the FDDI drivers into drivers/net/fddi/ and make the necessary Kconfig and Makefile changes. CC: "Maciej W. Rozycki" <macro@linux-mips.org> CC: Christoph Goos <cgoos@syskonnect.de> CC: <linux@syskonnect.de> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/skfp/srf.c')
-rw-r--r--drivers/net/skfp/srf.c429
1 files changed, 0 insertions, 429 deletions
diff --git a/drivers/net/skfp/srf.c b/drivers/net/skfp/srf.c
deleted file mode 100644
index f6f7baf9f27..00000000000
--- a/drivers/net/skfp/srf.c
+++ /dev/null
@@ -1,429 +0,0 @@
-/******************************************************************************
- *
- * (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.
- *
- ******************************************************************************/
-
-/*
- SMT 7.2 Status Response Frame Implementation
- SRF state machine and frame generation
-*/
-
-#include "h/types.h"
-#include "h/fddi.h"
-#include "h/smc.h"
-#include "h/smt_p.h"
-
-#define KERNEL
-#include "h/smtstate.h"
-
-#ifndef SLIM_SMT
-#ifndef BOOT
-
-#ifndef lint
-static const char ID_sccs[] = "@(#)srf.c 1.18 97/08/04 (C) SK " ;
-#endif
-
-
-/*
- * function declarations
- */
-static void clear_all_rep(struct s_smc *smc);
-static void clear_reported(struct s_smc *smc);
-static void smt_send_srf(struct s_smc *smc);
-static struct s_srf_evc *smt_get_evc(struct s_smc *smc, int code, int index);
-
-#define MAX_EVCS ARRAY_SIZE(smc->evcs)
-
-struct evc_init {
- u_char code ;
- u_char index ;
- u_char n ;
- u_short para ;
-} ;
-
-static const struct evc_init evc_inits[] = {
- { SMT_COND_SMT_PEER_WRAP, 0,1,SMT_P1048 } ,
-
- { SMT_COND_MAC_DUP_ADDR, INDEX_MAC, NUMMACS,SMT_P208C } ,
- { SMT_COND_MAC_FRAME_ERROR, INDEX_MAC, NUMMACS,SMT_P208D } ,
- { SMT_COND_MAC_NOT_COPIED, INDEX_MAC, NUMMACS,SMT_P208E } ,
- { SMT_EVENT_MAC_NEIGHBOR_CHANGE, INDEX_MAC, NUMMACS,SMT_P208F } ,
- { SMT_EVENT_MAC_PATH_CHANGE, INDEX_MAC, NUMMACS,SMT_P2090 } ,
-
- { SMT_COND_PORT_LER, INDEX_PORT,NUMPHYS,SMT_P4050 } ,
- { SMT_COND_PORT_EB_ERROR, INDEX_PORT,NUMPHYS,SMT_P4052 } ,
- { SMT_EVENT_PORT_CONNECTION, INDEX_PORT,NUMPHYS,SMT_P4051 } ,
- { SMT_EVENT_PORT_PATH_CHANGE, INDEX_PORT,NUMPHYS,SMT_P4053 } ,
-} ;
-
-#define MAX_INIT_EVC ARRAY_SIZE(evc_inits)
-
-void smt_init_evc(struct s_smc *smc)
-{
- struct s_srf_evc *evc ;
- const struct evc_init *init ;
- int i ;
- int index ;
- int offset ;
-
- static u_char fail_safe = FALSE ;
-
- memset((char *)smc->evcs,0,sizeof(smc->evcs)) ;
-
- evc = smc->evcs ;
- init = evc_inits ;
-
- for (i = 0 ; (unsigned) i < MAX_INIT_EVC ; i++) {
- for (index = 0 ; index < init->n ; index++) {
- evc->evc_code = init->code ;
- evc->evc_para = init->para ;
- evc->evc_index = init->index + index ;
-#ifndef DEBUG
- evc->evc_multiple = &fail_safe ;
- evc->evc_cond_state = &fail_safe ;
-#endif
- evc++ ;
- }
- init++ ;
- }
-
- if ((unsigned) (evc - smc->evcs) > MAX_EVCS) {
- SMT_PANIC(smc,SMT_E0127, SMT_E0127_MSG) ;
- }
-
- /*
- * conditions
- */
- smc->evcs[0].evc_cond_state = &smc->mib.fddiSMTPeerWrapFlag ;
- smc->evcs[1].evc_cond_state =
- &smc->mib.m[MAC0].fddiMACDuplicateAddressCond ;
- smc->evcs[2].evc_cond_state =
- &smc->mib.m[MAC0].fddiMACFrameErrorFlag ;
- smc->evcs[3].evc_cond_state =
- &smc->mib.m[MAC0].fddiMACNotCopiedFlag ;
-
- /*
- * events
- */
- smc->evcs[4].evc_multiple = &smc->mib.m[MAC0].fddiMACMultiple_N ;
- smc->evcs[5].evc_multiple = &smc->mib.m[MAC0].fddiMACMultiple_P ;
-
- offset = 6 ;
- for (i = 0 ; i < NUMPHYS ; i++) {
- /*
- * conditions
- */
- smc->evcs[offset + 0*NUMPHYS].evc_cond_state =
- &smc->mib.p[i].fddiPORTLerFlag ;
- smc->evcs[offset + 1*NUMPHYS].evc_cond_state =
- &smc->mib.p[i].fddiPORTEB_Condition ;
-
- /*
- * events
- */
- smc->evcs[offset + 2*NUMPHYS].evc_multiple =
- &smc->mib.p[i].fddiPORTMultiple_U ;
- smc->evcs[offset + 3*NUMPHYS].evc_multiple =
- &smc->mib.p[i].fddiPORTMultiple_P ;
- offset++ ;
- }
-#ifdef DEBUG
- for (i = 0, evc = smc->evcs ; (unsigned) i < MAX_EVCS ; i++, evc++) {
- if (SMT_IS_CONDITION(evc->evc_code)) {
- if (!evc->evc_cond_state) {
- SMT_PANIC(smc,SMT_E0128, SMT_E0128_MSG) ;
- }
- evc->evc_multiple = &fail_safe ;
- }
- else {
- if (!evc->evc_multiple) {
- SMT_PANIC(smc,SMT_E0129, SMT_E0129_MSG) ;
- }
- evc->evc_cond_state = &fail_safe ;
- }
- }
-#endif
- smc->srf.TSR = smt_get_time() ;
- smc->srf.sr_state = SR0_WAIT ;
-}
-
-static struct s_srf_evc *smt_get_evc(struct s_smc *smc, int code, int index)
-{
- int i ;
- struct s_srf_evc *evc ;
-
- for (i = 0, evc = smc->evcs ; (unsigned) i < MAX_EVCS ; i++, evc++) {
- if (evc->evc_code == code && evc->evc_index == index)
- return evc;
- }
- return NULL;
-}
-
-#define THRESHOLD_2 (2*TICKS_PER_SECOND)
-#define THRESHOLD_32 (32*TICKS_PER_SECOND)
-
-#ifdef DEBUG
-static const char * const srf_names[] = {
- "None","MACPathChangeEvent", "MACNeighborChangeEvent",
- "PORTPathChangeEvent", "PORTUndesiredConnectionAttemptEvent",
- "SMTPeerWrapCondition", "SMTHoldCondition",
- "MACFrameErrorCondition", "MACDuplicateAddressCondition",
- "MACNotCopiedCondition", "PORTEBErrorCondition",
- "PORTLerCondition"
-} ;
-#endif
-
-void smt_srf_event(struct s_smc *smc, int code, int index, int cond)
-{
- struct s_srf_evc *evc ;
- int cond_asserted = 0 ;
- int cond_deasserted = 0 ;
- int event_occurred = 0 ;
- int tsr ;
- int T_Limit = 2*TICKS_PER_SECOND ;
-
- if (code == SMT_COND_MAC_DUP_ADDR && cond) {
- RS_SET(smc,RS_DUPADDR) ;
- }
-
- if (code) {
- DB_SMT("SRF: %s index %d\n",srf_names[code],index) ;
-
- if (!(evc = smt_get_evc(smc,code,index))) {
- DB_SMT("SRF : smt_get_evc() failed\n",0,0) ;
- return ;
- }
- /*
- * ignore condition if no change
- */
- if (SMT_IS_CONDITION(code)) {
- if (*evc->evc_cond_state == cond)
- return ;
- }
-
- /*
- * set transition time stamp
- */
- smt_set_timestamp(smc,smc->mib.fddiSMTTransitionTimeStamp) ;
- if (SMT_IS_CONDITION(code)) {
- DB_SMT("SRF: condition is %s\n",cond ? "ON":"OFF",0) ;
- if (cond) {
- *evc->evc_cond_state = TRUE ;
- evc->evc_rep_required = TRUE ;
- smc->srf.any_report = TRUE ;
- cond_asserted = TRUE ;
- }
- else {
- *evc->evc_cond_state = FALSE ;
- cond_deasserted = TRUE ;
- }
- }
- else {
- if (evc->evc_rep_required) {
- *evc->evc_multiple = TRUE ;
- }
- else {
- evc->evc_rep_required = TRUE ;
- *evc->evc_multiple = FALSE ;
- }
- smc->srf.any_report = TRUE ;
- event_occurred = TRUE ;
- }
-#ifdef FDDI_MIB
- snmp_srf_event(smc,evc) ;
-#endif /* FDDI_MIB */
- }
- tsr = smt_get_time() - smc->srf.TSR ;
-
- switch (smc->srf.sr_state) {
- case SR0_WAIT :
- /* SR01a */
- if (cond_asserted && tsr < T_Limit) {
- smc->srf.SRThreshold = THRESHOLD_2 ;
- smc->srf.sr_state = SR1_HOLDOFF ;
- break ;
- }
- /* SR01b */
- if (cond_deasserted && tsr < T_Limit) {
- smc->srf.sr_state = SR1_HOLDOFF ;
- break ;
- }
- /* SR01c */
- if (event_occurred && tsr < T_Limit) {
- smc->srf.sr_state = SR1_HOLDOFF ;
- break ;
- }
- /* SR00b */
- if (cond_asserted && tsr >= T_Limit) {
- smc->srf.SRThreshold = THRESHOLD_2 ;
- smc->srf.TSR = smt_get_time() ;
- smt_send_srf(smc) ;
- break ;
- }
- /* SR00c */
- if (cond_deasserted && tsr >= T_Limit) {
- smc->srf.TSR = smt_get_time() ;
- smt_send_srf(smc) ;
- break ;
- }
- /* SR00d */
- if (event_occurred && tsr >= T_Limit) {
- smc->srf.TSR = smt_get_time() ;
- smt_send_srf(smc) ;
- break ;
- }
- /* SR00e */
- if (smc->srf.any_report && (u_long) tsr >=
- smc->srf.SRThreshold) {
- smc->srf.SRThreshold *= 2 ;
- if (smc->srf.SRThreshold > THRESHOLD_32)
- smc->srf.SRThreshold = THRESHOLD_32 ;
- smc->srf.TSR = smt_get_time() ;
- smt_send_srf(smc) ;
- break ;
- }
- /* SR02 */
- if (!smc->mib.fddiSMTStatRptPolicy) {
- smc->srf.sr_state = SR2_DISABLED ;
- break ;
- }
- break ;
- case SR1_HOLDOFF :
- /* SR10b */
- if (tsr >= T_Limit) {
- smc->srf.sr_state = SR0_WAIT ;
- smc->srf.TSR = smt_get_time() ;
- smt_send_srf(smc) ;
- break ;
- }
- /* SR11a */
- if (cond_asserted) {
- smc->srf.SRThreshold = THRESHOLD_2 ;
- }
- /* SR11b */
- /* SR11c */
- /* handled above */
- /* SR12 */
- if (!smc->mib.fddiSMTStatRptPolicy) {
- smc->srf.sr_state = SR2_DISABLED ;
- break ;
- }
- break ;
- case SR2_DISABLED :
- if (smc->mib.fddiSMTStatRptPolicy) {
- smc->srf.sr_state = SR0_WAIT ;
- smc->srf.TSR = smt_get_time() ;
- smc->srf.SRThreshold = THRESHOLD_2 ;
- clear_all_rep(smc) ;
- break ;
- }
- break ;
- }
-}
-
-static void clear_all_rep(struct s_smc *smc)
-{
- struct s_srf_evc *evc ;
- int i ;
-
- for (i = 0, evc = smc->evcs ; (unsigned) i < MAX_EVCS ; i++, evc++) {
- evc->evc_rep_required = FALSE ;
- if (SMT_IS_CONDITION(evc->evc_code))
- *evc->evc_cond_state = FALSE ;
- }
- smc->srf.any_report = FALSE ;
-}
-
-static void clear_reported(struct s_smc *smc)
-{
- struct s_srf_evc *evc ;
- int i ;
-
- smc->srf.any_report = FALSE ;
- for (i = 0, evc = smc->evcs ; (unsigned) i < MAX_EVCS ; i++, evc++) {
- if (SMT_IS_CONDITION(evc->evc_code)) {
- if (*evc->evc_cond_state == FALSE)
- evc->evc_rep_required = FALSE ;
- else
- smc->srf.any_report = TRUE ;
- }
- else {
- evc->evc_rep_required = FALSE ;
- *evc->evc_multiple = FALSE ;
- }
- }
-}
-
-/*
- * build and send SMT SRF frame
- */
-static void smt_send_srf(struct s_smc *smc)
-{
-
- struct smt_header *smt ;
- struct s_srf_evc *evc ;
- SK_LOC_DECL(struct s_pcon,pcon) ;
- SMbuf *mb ;
- int i ;
-
- static const struct fddi_addr SMT_SRF_DA = {
- { 0x80, 0x01, 0x43, 0x00, 0x80, 0x08 }
- } ;
-
- /*
- * build SMT header
- */
- if (!smc->r.sm_ma_avail)
- return ;
- if (!(mb = smt_build_frame(smc,SMT_SRF,SMT_ANNOUNCE,0)))
- return ;
-
- RS_SET(smc,RS_SOFTERROR) ;
-
- smt = smtod(mb, struct smt_header *) ;
- smt->smt_dest = SMT_SRF_DA ; /* DA == SRF multicast */
-
- /*
- * setup parameter status
- */
- pcon.pc_len = SMT_MAX_INFO_LEN ; /* max para length */
- pcon.pc_err = 0 ; /* no error */
- pcon.pc_badset = 0 ; /* no bad set count */
- pcon.pc_p = (void *) (smt + 1) ; /* paras start here */
-
- smt_add_para(smc,&pcon,(u_short) SMT_P1033,0,0) ;
- smt_add_para(smc,&pcon,(u_short) SMT_P1034,0,0) ;
-
- for (i = 0, evc = smc->evcs ; (unsigned) i < MAX_EVCS ; i++, evc++) {
- if (evc->evc_rep_required) {
- smt_add_para(smc,&pcon,evc->evc_para,
- (int)evc->evc_index,0) ;
- }
- }
- smt->smt_len = SMT_MAX_INFO_LEN - pcon.pc_len ;
- mb->sm_len = smt->smt_len + sizeof(struct smt_header) ;
-
- DB_SMT("SRF: sending SRF at %x, len %d\n",smt,mb->sm_len) ;
- DB_SMT("SRF: state SR%d Threshold %d\n",
- smc->srf.sr_state,smc->srf.SRThreshold/TICKS_PER_SECOND) ;
-#ifdef DEBUG
- dump_smt(smc,smt,"SRF Send") ;
-#endif
- smt_send_frame(smc,mb,FC_SMT_INFO,0) ;
- clear_reported(smc) ;
-}
-
-#endif /* no BOOT */
-#endif /* no SLIM_SMT */
-