1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
|
// SPDX-License-Identifier: GPL-2.0-or-later
/******************************************************************************
*
* (C)Copyright 1998,1999 SysKonnect,
* a business unit of Schneider & Koch & Co. Datensysteme GmbH.
*
* See the file "skfddi.c" for further information.
*
* The information in this file is provided "AS IS" without warranty.
*
******************************************************************************/
/*
SMT/CMT defaults
*/
#include "h/types.h"
#include "h/fddi.h"
#include "h/smc.h"
#ifndef OEM_USER_DATA
#define OEM_USER_DATA "SK-NET FDDI V2.0 Userdata"
#endif
/*
* defaults
*/
#define TTMS(x) ((u_long)(x)*1000L)
#define TTS(x) ((u_long)(x)*1000000L)
#define TTUS(x) ((u_long)(x))
#define DEFAULT_TB_MIN TTMS(5)
#define DEFAULT_TB_MAX TTMS(50)
#define DEFAULT_C_MIN TTUS(1600)
#define DEFAULT_T_OUT TTMS(100+5)
#define DEFAULT_TL_MIN TTUS(30)
#define DEFAULT_LC_SHORT TTMS(50+5)
#define DEFAULT_LC_MEDIUM TTMS(500+20)
#define DEFAULT_LC_LONG TTS(5)+TTMS(50)
#define DEFAULT_LC_EXTENDED TTS(50)+TTMS(50)
#define DEFAULT_T_NEXT_9 TTMS(200+10)
#define DEFAULT_NS_MAX TTUS(1310)
#define DEFAULT_I_MAX TTMS(25)
#define DEFAULT_IN_MAX TTMS(40)
#define DEFAULT_TD_MIN TTMS(5)
#define DEFAULT_T_NON_OP TTS(1)
#define DEFAULT_T_STUCK TTS(8)
#define DEFAULT_T_DIRECT TTMS(370)
#define DEFAULT_T_JAM TTMS(370)
#define DEFAULT_T_ANNOUNCE TTMS(2500)
#define DEFAULT_D_MAX TTUS(1617)
#define DEFAULT_LEM_ALARM (8)
#define DEFAULT_LEM_CUTOFF (7)
#define DEFAULT_TEST_DONE TTS(1)
#define DEFAULT_CHECK_POLL TTS(1)
#define DEFAULT_POLL TTMS(50)
/*
* LCT errors threshold
*/
#define DEFAULT_LCT_SHORT 1
#define DEFAULT_LCT_MEDIUM 3
#define DEFAULT_LCT_LONG 5
#define DEFAULT_LCT_EXTEND 50
/* Forward declarations */
void smt_reset_defaults(struct s_smc *smc, int level);
static void smt_init_mib(struct s_smc *smc, int level);
static int set_min_max(int maxflag, u_long mib, u_long limit, u_long *oper);
#define MS2BCLK(x) ((x)*12500L)
#define US2BCLK(x) ((x)*1250L)
void smt_reset_defaults(struct s_smc *smc, int level)
{
struct smt_config *smt ;
int i ;
u_long smt_boot_time;
smt_init_mib(smc,level) ;
smc->os.smc_version = SMC_VERSION ;
smt_boot_time = smt_get_time();
for( i = 0; i < NUMMACS; i++ )
smc->sm.last_tok_time[i] = smt_boot_time ;
smt = &smc->s ;
smt->attach_s = 0 ;
smt->build_ring_map = 1 ;
smt->sas = SMT_DAS ;
smt->numphys = NUMPHYS ;
smt->pcm_tb_min = DEFAULT_TB_MIN ;
smt->pcm_tb_max = DEFAULT_TB_MAX ;
smt->pcm_c_min = DEFAULT_C_MIN ;
smt->pcm_t_out = DEFAULT_T_OUT ;
smt->pcm_tl_min = DEFAULT_TL_MIN ;
smt->pcm_lc_short = DEFAULT_LC_SHORT ;
smt->pcm_lc_medium = DEFAULT_LC_MEDIUM ;
smt->pcm_lc_long = DEFAULT_LC_LONG ;
smt->pcm_lc_extended = DEFAULT_LC_EXTENDED ;
smt->pcm_t_next_9 = DEFAULT_T_NEXT_9 ;
smt->pcm_ns_max = DEFAULT_NS_MAX ;
smt->ecm_i_max = DEFAULT_I_MAX ;
smt->ecm_in_max = DEFAULT_IN_MAX ;
smt->ecm_td_min = DEFAULT_TD_MIN ;
smt->ecm_test_done = DEFAULT_TEST_DONE ;
smt->ecm_check_poll = DEFAULT_CHECK_POLL ;
smt->rmt_t_non_op = DEFAULT_T_NON_OP ;
smt->rmt_t_stuck = DEFAULT_T_STUCK ;
smt->rmt_t_direct = DEFAULT_T_DIRECT ;
smt->rmt_t_jam = DEFAULT_T_JAM ;
smt->rmt_t_announce = DEFAULT_T_ANNOUNCE ;
smt->rmt_t_poll = DEFAULT_POLL ;
smt->rmt_dup_mac_behavior = FALSE ; /* See Struct smt_config */
smt->mac_d_max = DEFAULT_D_MAX ;
smt->lct_short = DEFAULT_LCT_SHORT ;
smt->lct_medium = DEFAULT_LCT_MEDIUM ;
smt->lct_long = DEFAULT_LCT_LONG ;
smt->lct_extended = DEFAULT_LCT_EXTEND ;
#ifndef SLIM_SMT
#ifdef ESS
if (level == 0) {
smc->ess.sync_bw_available = FALSE ;
smc->mib.fddiESSPayload = 0 ;
smc->mib.fddiESSOverhead = 0 ;
smc->mib.fddiESSMaxTNeg = (u_long)(- MS2BCLK(25)) ;
smc->mib.fddiESSMinSegmentSize = 1 ;
smc->mib.fddiESSCategory = SB_STATIC ;
smc->mib.fddiESSSynchTxMode = FALSE ;
smc->ess.raf_act_timer_poll = FALSE ;
smc->ess.timer_count = 7 ; /* first RAF alc req after 3s */
}
smc->ess.local_sba_active = FALSE ;
smc->ess.sba_reply_pend = NULL ;
#endif
#ifdef SBA
smt_init_sba(smc,level) ;
#endif
#endif /* no SLIM_SMT */
#ifdef TAG_MODE
if (level == 0) {
smc->hw.pci_fix_value = 0 ;
}
#endif
}
/*
* manufacturer data
*/
static const char man_data[32] =
/* 01234567890123456789012345678901 */
"xxxSK-NET FDDI SMT 7.3 - V2.8.8" ;
static void smt_init_mib(struct s_smc *smc, int level)
{
struct fddi_mib *mib ;
struct fddi_mib_p *pm ;
int port ;
int path ;
mib = &smc->mib ;
if (level == 0) {
/*
* set EVERYTHING to ZERO
* EXCEPT hw and os
*/
memset(((char *)smc)+
sizeof(struct s_smt_os)+sizeof(struct s_smt_hw), 0,
sizeof(struct s_smc) -
sizeof(struct s_smt_os) - sizeof(struct s_smt_hw)) ;
}
else {
mib->fddiSMTRemoteDisconnectFlag = 0 ;
mib->fddiSMTPeerWrapFlag = 0 ;
}
mib->fddiSMTOpVersionId = 2 ;
mib->fddiSMTHiVersionId = 2 ;
mib->fddiSMTLoVersionId = 2 ;
memcpy((char *) mib->fddiSMTManufacturerData,man_data,32) ;
if (level == 0) {
strcpy(mib->fddiSMTUserData,OEM_USER_DATA) ;
}
mib->fddiSMTMIBVersionId = 1 ;
mib->fddiSMTMac_Ct = NUMMACS ;
mib->fddiSMTConnectionPolicy = POLICY_MM | POLICY_AA | POLICY_BB ;
/*
* fddiSMTNonMaster_Ct and fddiSMTMaster_Ct are set in smt_fixup_mib
* s.sas is not set yet (is set in init driver)
*/
mib->fddiSMTAvailablePaths = MIB_PATH_P | MIB_PATH_S ;
mib->fddiSMTConfigCapabilities = 0 ; /* no hold,no wrap_ab*/
mib->fddiSMTTT_Notify = 10 ;
mib->fddiSMTStatRptPolicy = TRUE ;
mib->fddiSMTTrace_MaxExpiration = SEC2MIB(7) ;
mib->fddiSMTMACIndexes = INDEX_MAC ;
mib->fddiSMTStationStatus = MIB_SMT_STASTA_SEPA ; /* separated */
mib->m[MAC0].fddiMACIndex = INDEX_MAC ;
mib->m[MAC0].fddiMACFrameStatusFunctions = FSC_TYPE0 ;
mib->m[MAC0].fddiMACRequestedPaths =
MIB_P_PATH_LOCAL |
MIB_P_PATH_SEC_ALTER |
MIB_P_PATH_PRIM_ALTER ;
mib->m[MAC0].fddiMACAvailablePaths = MIB_PATH_P ;
mib->m[MAC0].fddiMACCurrentPath = MIB_PATH_PRIMARY ;
mib->m[MAC0].fddiMACT_MaxCapabilitiy = (u_long)(- MS2BCLK(165)) ;
mib->m[MAC0].fddiMACTVXCapabilitiy = (u_long)(- US2BCLK(52)) ;
if (level == 0) {
mib->m[MAC0].fddiMACTvxValue = (u_long)(- US2BCLK(27)) ;
mib->m[MAC0].fddiMACTvxValueMIB = (u_long)(- US2BCLK(27)) ;
mib->m[MAC0].fddiMACT_Req = (u_long)(- MS2BCLK(165)) ;
mib->m[MAC0].fddiMACT_ReqMIB = (u_long)(- MS2BCLK(165)) ;
mib->m[MAC0].fddiMACT_Max = (u_long)(- MS2BCLK(165)) ;
mib->m[MAC0].fddiMACT_MaxMIB = (u_long)(- MS2BCLK(165)) ;
mib->m[MAC0].fddiMACT_Min = (u_long)(- MS2BCLK(4)) ;
}
mib->m[MAC0].fddiMACHardwarePresent = TRUE ;
mib->m[MAC0].fddiMACMA_UnitdataEnable = TRUE ;
mib->m[MAC0].fddiMACFrameErrorThreshold = 1 ;
mib->m[MAC0].fddiMACNotCopiedThreshold = 1 ;
/*
* Path attributes
*/
for (path = 0 ; path < NUMPATHS ; path++) {
mib->a[path].fddiPATHIndex = INDEX_PATH + path ;
if (level == 0) {
mib->a[path].fddiPATHTVXLowerBound =
(u_long)(- US2BCLK(27)) ;
mib->a[path].fddiPATHT_MaxLowerBound =
(u_long)(- MS2BCLK(165)) ;
mib->a[path].fddiPATHMaxT_Req =
(u_long)(- MS2BCLK(165)) ;
}
}
/*
* Port attributes
*/
pm = mib->p ;
for (port = 0 ; port < NUMPHYS ; port++) {
/*
* set MIB pointer in phy
*/
/* Attention: don't initialize mib pointer here! */
/* It must be initialized during phase 2 */
smc->y[port].mib = NULL;
mib->fddiSMTPORTIndexes[port] = port+INDEX_PORT ;
pm->fddiPORTIndex = port+INDEX_PORT ;
pm->fddiPORTHardwarePresent = TRUE ;
if (level == 0) {
pm->fddiPORTLer_Alarm = DEFAULT_LEM_ALARM ;
pm->fddiPORTLer_Cutoff = DEFAULT_LEM_CUTOFF ;
}
/*
* fddiPORTRequestedPaths are set in pcmplc.c
* we don't know the port type yet !
*/
pm->fddiPORTRequestedPaths[1] = 0 ;
pm->fddiPORTRequestedPaths[2] = 0 ;
pm->fddiPORTRequestedPaths[3] = 0 ;
pm->fddiPORTAvailablePaths = MIB_PATH_P ;
pm->fddiPORTPMDClass = MIB_PMDCLASS_MULTI ;
pm++ ;
}
(void) smt_set_mac_opvalues(smc) ;
}
int smt_set_mac_opvalues(struct s_smc *smc)
{
int st ;
int st2 ;
st = set_min_max(1,smc->mib.m[MAC0].fddiMACTvxValueMIB,
smc->mib.a[PATH0].fddiPATHTVXLowerBound,
&smc->mib.m[MAC0].fddiMACTvxValue) ;
st |= set_min_max(0,smc->mib.m[MAC0].fddiMACT_MaxMIB,
smc->mib.a[PATH0].fddiPATHT_MaxLowerBound,
&smc->mib.m[MAC0].fddiMACT_Max) ;
st |= (st2 = set_min_max(0,smc->mib.m[MAC0].fddiMACT_ReqMIB,
smc->mib.a[PATH0].fddiPATHMaxT_Req,
&smc->mib.m[MAC0].fddiMACT_Req)) ;
if (st2) {
/* Treq attribute changed remotely. So send an AIX_EVENT to the
* user
*/
AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long)
FDDI_SMT_EVENT, (u_long) FDDI_REMOTE_T_REQ,
smt_get_event_word(smc));
}
return st;
}
void smt_fixup_mib(struct s_smc *smc)
{
#ifdef CONCENTRATOR
switch (smc->s.sas) {
case SMT_SAS :
smc->mib.fddiSMTNonMaster_Ct = 1 ;
break ;
case SMT_DAS :
smc->mib.fddiSMTNonMaster_Ct = 2 ;
break ;
case SMT_NAC :
smc->mib.fddiSMTNonMaster_Ct = 0 ;
break ;
}
smc->mib.fddiSMTMaster_Ct = NUMPHYS - smc->mib.fddiSMTNonMaster_Ct ;
#else
switch (smc->s.sas) {
case SMT_SAS :
smc->mib.fddiSMTNonMaster_Ct = 1 ;
break ;
case SMT_DAS :
smc->mib.fddiSMTNonMaster_Ct = 2 ;
break ;
}
smc->mib.fddiSMTMaster_Ct = 0 ;
#endif
}
/*
* determine new setting for operational value
* if limit is lower than mib
* use limit
* else
* use mib
* NOTE : numbers are negative, negate comparison !
*/
static int set_min_max(int maxflag, u_long mib, u_long limit, u_long *oper)
{
u_long old ;
old = *oper ;
if ((limit > mib) ^ maxflag)
*oper = limit ;
else
*oper = mib ;
return old != *oper;
}
|
