1 /******************************************************************************
2 *
3 * (C)Copyright 1998,1999 SysKonnect,
4 * a business unit of Schneider & Koch & Co. Datensysteme GmbH.
5 *
6 * See the file "skfddi.c" for further information.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * The information in this file is provided "AS IS" without warranty.
14 *
15 ******************************************************************************/
16
17 /*
18 SMT/CMT defaults
19 */
20
21 #include "h/types.h"
22 #include "h/fddi.h"
23 #include "h/smc.h"
24
25 #ifndef OEM_USER_DATA
26 #define OEM_USER_DATA "SK-NET FDDI V2.0 Userdata"
27 #endif
28
29 #ifndef lint
30 static const char ID_sccs[] = "@(#)smtdef.c 2.53 99/08/11 (C) SK " ;
31 #endif
32
33 /*
34 * defaults
35 */
36 #define TTMS(x) ((u_long)(x)*1000L)
37 #define TTS(x) ((u_long)(x)*1000000L)
38 #define TTUS(x) ((u_long)(x))
39
40 #define DEFAULT_TB_MIN TTMS(5)
41 #define DEFAULT_TB_MAX TTMS(50)
42 #define DEFAULT_C_MIN TTUS(1600)
43 #define DEFAULT_T_OUT TTMS(100+5)
44 #define DEFAULT_TL_MIN TTUS(30)
45 #define DEFAULT_LC_SHORT TTMS(50+5)
46 #define DEFAULT_LC_MEDIUM TTMS(500+20)
47 #define DEFAULT_LC_LONG TTS(5)+TTMS(50)
48 #define DEFAULT_LC_EXTENDED TTS(50)+TTMS(50)
49 #define DEFAULT_T_NEXT_9 TTMS(200+10)
50 #define DEFAULT_NS_MAX TTUS(1310)
51 #define DEFAULT_I_MAX TTMS(25)
52 #define DEFAULT_IN_MAX TTMS(40)
53 #define DEFAULT_TD_MIN TTMS(5)
54 #define DEFAULT_T_NON_OP TTS(1)
55 #define DEFAULT_T_STUCK TTS(8)
56 #define DEFAULT_T_DIRECT TTMS(370)
57 #define DEFAULT_T_JAM TTMS(370)
58 #define DEFAULT_T_ANNOUNCE TTMS(2500)
59 #define DEFAULT_D_MAX TTUS(1617)
60 #define DEFAULT_LEM_ALARM (8)
61 #define DEFAULT_LEM_CUTOFF (7)
62 #define DEFAULT_TEST_DONE TTS(1)
63 #define DEFAULT_CHECK_POLL TTS(1)
64 #define DEFAULT_POLL TTMS(50)
65
66 /*
67 * LCT errors threshold
68 */
69 #define DEFAULT_LCT_SHORT 1
70 #define DEFAULT_LCT_MEDIUM 3
71 #define DEFAULT_LCT_LONG 5
72 #define DEFAULT_LCT_EXTEND 50
73
74 /* Forward declarations */
75 void smt_reset_defaults(struct s_smc *smc, int level);
76 static void smt_init_mib(struct s_smc *smc, int level);
77 static int set_min_max(int maxflag, u_long mib, u_long limit, u_long *oper);
78
79 #define MS2BCLK(x) ((x)*12500L)
80 #define US2BCLK(x) ((x)*1250L)
81
smt_reset_defaults(struct s_smc * smc,int level)82 void smt_reset_defaults(struct s_smc *smc, int level)
83 {
84 struct smt_config *smt ;
85 int i ;
86 u_long smt_boot_time;
87
88
89 smt_init_mib(smc,level) ;
90
91 smc->os.smc_version = SMC_VERSION ;
92 smt_boot_time = smt_get_time();
93 for( i = 0; i < NUMMACS; i++ )
94 smc->sm.last_tok_time[i] = smt_boot_time ;
95 smt = &smc->s ;
96 smt->attach_s = 0 ;
97 smt->build_ring_map = 1 ;
98 smt->sas = SMT_DAS ;
99 smt->numphys = NUMPHYS ;
100 smt->pcm_tb_min = DEFAULT_TB_MIN ;
101 smt->pcm_tb_max = DEFAULT_TB_MAX ;
102 smt->pcm_c_min = DEFAULT_C_MIN ;
103 smt->pcm_t_out = DEFAULT_T_OUT ;
104 smt->pcm_tl_min = DEFAULT_TL_MIN ;
105 smt->pcm_lc_short = DEFAULT_LC_SHORT ;
106 smt->pcm_lc_medium = DEFAULT_LC_MEDIUM ;
107 smt->pcm_lc_long = DEFAULT_LC_LONG ;
108 smt->pcm_lc_extended = DEFAULT_LC_EXTENDED ;
109 smt->pcm_t_next_9 = DEFAULT_T_NEXT_9 ;
110 smt->pcm_ns_max = DEFAULT_NS_MAX ;
111 smt->ecm_i_max = DEFAULT_I_MAX ;
112 smt->ecm_in_max = DEFAULT_IN_MAX ;
113 smt->ecm_td_min = DEFAULT_TD_MIN ;
114 smt->ecm_test_done = DEFAULT_TEST_DONE ;
115 smt->ecm_check_poll = DEFAULT_CHECK_POLL ;
116 smt->rmt_t_non_op = DEFAULT_T_NON_OP ;
117 smt->rmt_t_stuck = DEFAULT_T_STUCK ;
118 smt->rmt_t_direct = DEFAULT_T_DIRECT ;
119 smt->rmt_t_jam = DEFAULT_T_JAM ;
120 smt->rmt_t_announce = DEFAULT_T_ANNOUNCE ;
121 smt->rmt_t_poll = DEFAULT_POLL ;
122 smt->rmt_dup_mac_behavior = FALSE ; /* See Struct smt_config */
123 smt->mac_d_max = DEFAULT_D_MAX ;
124
125 smt->lct_short = DEFAULT_LCT_SHORT ;
126 smt->lct_medium = DEFAULT_LCT_MEDIUM ;
127 smt->lct_long = DEFAULT_LCT_LONG ;
128 smt->lct_extended = DEFAULT_LCT_EXTEND ;
129
130 #ifndef SLIM_SMT
131 #ifdef ESS
132 if (level == 0) {
133 smc->ess.sync_bw_available = FALSE ;
134 smc->mib.fddiESSPayload = 0 ;
135 smc->mib.fddiESSOverhead = 0 ;
136 smc->mib.fddiESSMaxTNeg = (u_long)(- MS2BCLK(25)) ;
137 smc->mib.fddiESSMinSegmentSize = 1 ;
138 smc->mib.fddiESSCategory = SB_STATIC ;
139 smc->mib.fddiESSSynchTxMode = FALSE ;
140 smc->ess.raf_act_timer_poll = FALSE ;
141 smc->ess.timer_count = 7 ; /* first RAF alc req after 3s */
142 }
143 smc->ess.local_sba_active = FALSE ;
144 smc->ess.sba_reply_pend = NULL ;
145 #endif
146 #ifdef SBA
147 smt_init_sba(smc,level) ;
148 #endif
149 #endif /* no SLIM_SMT */
150 #ifdef TAG_MODE
151 if (level == 0) {
152 smc->hw.pci_fix_value = 0 ;
153 }
154 #endif
155 }
156
157 /*
158 * manufacturer data
159 */
160 static const char man_data[32] =
161 /* 01234567890123456789012345678901 */
162 "xxxSK-NET FDDI SMT 7.3 - V2.8.8" ;
163
smt_init_mib(struct s_smc * smc,int level)164 static void smt_init_mib(struct s_smc *smc, int level)
165 {
166 struct fddi_mib *mib ;
167 struct fddi_mib_p *pm ;
168 int port ;
169 int path ;
170
171 mib = &smc->mib ;
172 if (level == 0) {
173 /*
174 * set EVERYTHING to ZERO
175 * EXCEPT hw and os
176 */
177 memset(((char *)smc)+
178 sizeof(struct s_smt_os)+sizeof(struct s_smt_hw), 0,
179 sizeof(struct s_smc) -
180 sizeof(struct s_smt_os) - sizeof(struct s_smt_hw)) ;
181 }
182 else {
183 mib->fddiSMTRemoteDisconnectFlag = 0 ;
184 mib->fddiSMTPeerWrapFlag = 0 ;
185 }
186
187 mib->fddiSMTOpVersionId = 2 ;
188 mib->fddiSMTHiVersionId = 2 ;
189 mib->fddiSMTLoVersionId = 2 ;
190 memcpy((char *) mib->fddiSMTManufacturerData,man_data,32) ;
191 if (level == 0) {
192 strcpy(mib->fddiSMTUserData,OEM_USER_DATA) ;
193 }
194 mib->fddiSMTMIBVersionId = 1 ;
195 mib->fddiSMTMac_Ct = NUMMACS ;
196 mib->fddiSMTConnectionPolicy = POLICY_MM | POLICY_AA | POLICY_BB ;
197
198 /*
199 * fddiSMTNonMaster_Ct and fddiSMTMaster_Ct are set in smt_fixup_mib
200 * s.sas is not set yet (is set in init driver)
201 */
202 mib->fddiSMTAvailablePaths = MIB_PATH_P | MIB_PATH_S ;
203
204 mib->fddiSMTConfigCapabilities = 0 ; /* no hold,no wrap_ab*/
205 mib->fddiSMTTT_Notify = 10 ;
206 mib->fddiSMTStatRptPolicy = TRUE ;
207 mib->fddiSMTTrace_MaxExpiration = SEC2MIB(7) ;
208 mib->fddiSMTMACIndexes = INDEX_MAC ;
209 mib->fddiSMTStationStatus = MIB_SMT_STASTA_SEPA ; /* separated */
210
211 mib->m[MAC0].fddiMACIndex = INDEX_MAC ;
212 mib->m[MAC0].fddiMACFrameStatusFunctions = FSC_TYPE0 ;
213 mib->m[MAC0].fddiMACRequestedPaths =
214 MIB_P_PATH_LOCAL |
215 MIB_P_PATH_SEC_ALTER |
216 MIB_P_PATH_PRIM_ALTER ;
217 mib->m[MAC0].fddiMACAvailablePaths = MIB_PATH_P ;
218 mib->m[MAC0].fddiMACCurrentPath = MIB_PATH_PRIMARY ;
219 mib->m[MAC0].fddiMACT_MaxCapabilitiy = (u_long)(- MS2BCLK(165)) ;
220 mib->m[MAC0].fddiMACTVXCapabilitiy = (u_long)(- US2BCLK(52)) ;
221 if (level == 0) {
222 mib->m[MAC0].fddiMACTvxValue = (u_long)(- US2BCLK(27)) ;
223 mib->m[MAC0].fddiMACTvxValueMIB = (u_long)(- US2BCLK(27)) ;
224 mib->m[MAC0].fddiMACT_Req = (u_long)(- MS2BCLK(165)) ;
225 mib->m[MAC0].fddiMACT_ReqMIB = (u_long)(- MS2BCLK(165)) ;
226 mib->m[MAC0].fddiMACT_Max = (u_long)(- MS2BCLK(165)) ;
227 mib->m[MAC0].fddiMACT_MaxMIB = (u_long)(- MS2BCLK(165)) ;
228 mib->m[MAC0].fddiMACT_Min = (u_long)(- MS2BCLK(4)) ;
229 }
230 mib->m[MAC0].fddiMACHardwarePresent = TRUE ;
231 mib->m[MAC0].fddiMACMA_UnitdataEnable = TRUE ;
232 mib->m[MAC0].fddiMACFrameErrorThreshold = 1 ;
233 mib->m[MAC0].fddiMACNotCopiedThreshold = 1 ;
234 /*
235 * Path attributes
236 */
237 for (path = 0 ; path < NUMPATHS ; path++) {
238 mib->a[path].fddiPATHIndex = INDEX_PATH + path ;
239 if (level == 0) {
240 mib->a[path].fddiPATHTVXLowerBound =
241 (u_long)(- US2BCLK(27)) ;
242 mib->a[path].fddiPATHT_MaxLowerBound =
243 (u_long)(- MS2BCLK(165)) ;
244 mib->a[path].fddiPATHMaxT_Req =
245 (u_long)(- MS2BCLK(165)) ;
246 }
247 }
248
249
250 /*
251 * Port attributes
252 */
253 pm = mib->p ;
254 for (port = 0 ; port < NUMPHYS ; port++) {
255 /*
256 * set MIB pointer in phy
257 */
258 /* Attention: don't initialize mib pointer here! */
259 /* It must be initialized during phase 2 */
260 smc->y[port].mib = NULL;
261 mib->fddiSMTPORTIndexes[port] = port+INDEX_PORT ;
262
263 pm->fddiPORTIndex = port+INDEX_PORT ;
264 pm->fddiPORTHardwarePresent = TRUE ;
265 if (level == 0) {
266 pm->fddiPORTLer_Alarm = DEFAULT_LEM_ALARM ;
267 pm->fddiPORTLer_Cutoff = DEFAULT_LEM_CUTOFF ;
268 }
269 /*
270 * fddiPORTRequestedPaths are set in pcmplc.c
271 * we don't know the port type yet !
272 */
273 pm->fddiPORTRequestedPaths[1] = 0 ;
274 pm->fddiPORTRequestedPaths[2] = 0 ;
275 pm->fddiPORTRequestedPaths[3] = 0 ;
276 pm->fddiPORTAvailablePaths = MIB_PATH_P ;
277 pm->fddiPORTPMDClass = MIB_PMDCLASS_MULTI ;
278 pm++ ;
279 }
280
281 (void) smt_set_mac_opvalues(smc) ;
282 }
283
smt_set_mac_opvalues(struct s_smc * smc)284 int smt_set_mac_opvalues(struct s_smc *smc)
285 {
286 int st ;
287 int st2 ;
288
289 st = set_min_max(1,smc->mib.m[MAC0].fddiMACTvxValueMIB,
290 smc->mib.a[PATH0].fddiPATHTVXLowerBound,
291 &smc->mib.m[MAC0].fddiMACTvxValue) ;
292 st |= set_min_max(0,smc->mib.m[MAC0].fddiMACT_MaxMIB,
293 smc->mib.a[PATH0].fddiPATHT_MaxLowerBound,
294 &smc->mib.m[MAC0].fddiMACT_Max) ;
295 st |= (st2 = set_min_max(0,smc->mib.m[MAC0].fddiMACT_ReqMIB,
296 smc->mib.a[PATH0].fddiPATHMaxT_Req,
297 &smc->mib.m[MAC0].fddiMACT_Req)) ;
298 if (st2) {
299 /* Treq attribute changed remotely. So send an AIX_EVENT to the
300 * user
301 */
302 AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long)
303 FDDI_SMT_EVENT, (u_long) FDDI_REMOTE_T_REQ,
304 smt_get_event_word(smc));
305 }
306 return st;
307 }
308
smt_fixup_mib(struct s_smc * smc)309 void smt_fixup_mib(struct s_smc *smc)
310 {
311 #ifdef CONCENTRATOR
312 switch (smc->s.sas) {
313 case SMT_SAS :
314 smc->mib.fddiSMTNonMaster_Ct = 1 ;
315 break ;
316 case SMT_DAS :
317 smc->mib.fddiSMTNonMaster_Ct = 2 ;
318 break ;
319 case SMT_NAC :
320 smc->mib.fddiSMTNonMaster_Ct = 0 ;
321 break ;
322 }
323 smc->mib.fddiSMTMaster_Ct = NUMPHYS - smc->mib.fddiSMTNonMaster_Ct ;
324 #else
325 switch (smc->s.sas) {
326 case SMT_SAS :
327 smc->mib.fddiSMTNonMaster_Ct = 1 ;
328 break ;
329 case SMT_DAS :
330 smc->mib.fddiSMTNonMaster_Ct = 2 ;
331 break ;
332 }
333 smc->mib.fddiSMTMaster_Ct = 0 ;
334 #endif
335 }
336
337 /*
338 * determine new setting for operational value
339 * if limit is lower than mib
340 * use limit
341 * else
342 * use mib
343 * NOTE : numbers are negative, negate comparison !
344 */
set_min_max(int maxflag,u_long mib,u_long limit,u_long * oper)345 static int set_min_max(int maxflag, u_long mib, u_long limit, u_long *oper)
346 {
347 u_long old ;
348 old = *oper ;
349 if ((limit > mib) ^ maxflag)
350 *oper = limit ;
351 else
352 *oper = mib ;
353 return old != *oper;
354 }
355
356