1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /******************************************************************************
3 *
4 * (C)Copyright 1998,1999 SysKonnect,
5 * a business unit of Schneider & Koch & Co. Datensysteme GmbH.
6 *
7 * See the file "skfddi.c" for further information.
8 *
9 * The information in this file is provided "AS IS" without warranty.
10 *
11 ******************************************************************************/
12
13 /*
14 SMT/CMT defaults
15 */
16
17 #include "h/types.h"
18 #include "h/fddi.h"
19 #include "h/smc.h"
20
21 #ifndef OEM_USER_DATA
22 #define OEM_USER_DATA "SK-NET FDDI V2.0 Userdata"
23 #endif
24
25 /*
26 * defaults
27 */
28 #define TTMS(x) ((u_long)(x)*1000L)
29 #define TTS(x) ((u_long)(x)*1000000L)
30 #define TTUS(x) ((u_long)(x))
31
32 #define DEFAULT_TB_MIN TTMS(5)
33 #define DEFAULT_TB_MAX TTMS(50)
34 #define DEFAULT_C_MIN TTUS(1600)
35 #define DEFAULT_T_OUT TTMS(100+5)
36 #define DEFAULT_TL_MIN TTUS(30)
37 #define DEFAULT_LC_SHORT TTMS(50+5)
38 #define DEFAULT_LC_MEDIUM TTMS(500+20)
39 #define DEFAULT_LC_LONG TTS(5)+TTMS(50)
40 #define DEFAULT_LC_EXTENDED TTS(50)+TTMS(50)
41 #define DEFAULT_T_NEXT_9 TTMS(200+10)
42 #define DEFAULT_NS_MAX TTUS(1310)
43 #define DEFAULT_I_MAX TTMS(25)
44 #define DEFAULT_IN_MAX TTMS(40)
45 #define DEFAULT_TD_MIN TTMS(5)
46 #define DEFAULT_T_NON_OP TTS(1)
47 #define DEFAULT_T_STUCK TTS(8)
48 #define DEFAULT_T_DIRECT TTMS(370)
49 #define DEFAULT_T_JAM TTMS(370)
50 #define DEFAULT_T_ANNOUNCE TTMS(2500)
51 #define DEFAULT_D_MAX TTUS(1617)
52 #define DEFAULT_LEM_ALARM (8)
53 #define DEFAULT_LEM_CUTOFF (7)
54 #define DEFAULT_TEST_DONE TTS(1)
55 #define DEFAULT_CHECK_POLL TTS(1)
56 #define DEFAULT_POLL TTMS(50)
57
58 /*
59 * LCT errors threshold
60 */
61 #define DEFAULT_LCT_SHORT 1
62 #define DEFAULT_LCT_MEDIUM 3
63 #define DEFAULT_LCT_LONG 5
64 #define DEFAULT_LCT_EXTEND 50
65
66 /* Forward declarations */
67 void smt_reset_defaults(struct s_smc *smc, int level);
68 static void smt_init_mib(struct s_smc *smc, int level);
69 static int set_min_max(int maxflag, u_long mib, u_long limit, u_long *oper);
70
71 #define MS2BCLK(x) ((x)*12500L)
72 #define US2BCLK(x) ((x)*1250L)
73
smt_reset_defaults(struct s_smc * smc,int level)74 void smt_reset_defaults(struct s_smc *smc, int level)
75 {
76 struct smt_config *smt ;
77 int i ;
78 u_long smt_boot_time;
79
80
81 smt_init_mib(smc,level) ;
82
83 smc->os.smc_version = SMC_VERSION ;
84 smt_boot_time = smt_get_time();
85 for( i = 0; i < NUMMACS; i++ )
86 smc->sm.last_tok_time[i] = smt_boot_time ;
87 smt = &smc->s ;
88 smt->attach_s = 0 ;
89 smt->build_ring_map = 1 ;
90 smt->sas = SMT_DAS ;
91 smt->numphys = NUMPHYS ;
92 smt->pcm_tb_min = DEFAULT_TB_MIN ;
93 smt->pcm_tb_max = DEFAULT_TB_MAX ;
94 smt->pcm_c_min = DEFAULT_C_MIN ;
95 smt->pcm_t_out = DEFAULT_T_OUT ;
96 smt->pcm_tl_min = DEFAULT_TL_MIN ;
97 smt->pcm_lc_short = DEFAULT_LC_SHORT ;
98 smt->pcm_lc_medium = DEFAULT_LC_MEDIUM ;
99 smt->pcm_lc_long = DEFAULT_LC_LONG ;
100 smt->pcm_lc_extended = DEFAULT_LC_EXTENDED ;
101 smt->pcm_t_next_9 = DEFAULT_T_NEXT_9 ;
102 smt->pcm_ns_max = DEFAULT_NS_MAX ;
103 smt->ecm_i_max = DEFAULT_I_MAX ;
104 smt->ecm_in_max = DEFAULT_IN_MAX ;
105 smt->ecm_td_min = DEFAULT_TD_MIN ;
106 smt->ecm_test_done = DEFAULT_TEST_DONE ;
107 smt->ecm_check_poll = DEFAULT_CHECK_POLL ;
108 smt->rmt_t_non_op = DEFAULT_T_NON_OP ;
109 smt->rmt_t_stuck = DEFAULT_T_STUCK ;
110 smt->rmt_t_direct = DEFAULT_T_DIRECT ;
111 smt->rmt_t_jam = DEFAULT_T_JAM ;
112 smt->rmt_t_announce = DEFAULT_T_ANNOUNCE ;
113 smt->rmt_t_poll = DEFAULT_POLL ;
114 smt->rmt_dup_mac_behavior = FALSE ; /* See Struct smt_config */
115 smt->mac_d_max = DEFAULT_D_MAX ;
116
117 smt->lct_short = DEFAULT_LCT_SHORT ;
118 smt->lct_medium = DEFAULT_LCT_MEDIUM ;
119 smt->lct_long = DEFAULT_LCT_LONG ;
120 smt->lct_extended = DEFAULT_LCT_EXTEND ;
121
122 #ifndef SLIM_SMT
123 #ifdef ESS
124 if (level == 0) {
125 smc->ess.sync_bw_available = FALSE ;
126 smc->mib.fddiESSPayload = 0 ;
127 smc->mib.fddiESSOverhead = 0 ;
128 smc->mib.fddiESSMaxTNeg = (u_long)(- MS2BCLK(25)) ;
129 smc->mib.fddiESSMinSegmentSize = 1 ;
130 smc->mib.fddiESSCategory = SB_STATIC ;
131 smc->mib.fddiESSSynchTxMode = FALSE ;
132 smc->ess.raf_act_timer_poll = FALSE ;
133 smc->ess.timer_count = 7 ; /* first RAF alc req after 3s */
134 }
135 smc->ess.local_sba_active = FALSE ;
136 smc->ess.sba_reply_pend = NULL ;
137 #endif
138 #ifdef SBA
139 smt_init_sba(smc,level) ;
140 #endif
141 #endif /* no SLIM_SMT */
142 #ifdef TAG_MODE
143 if (level == 0) {
144 smc->hw.pci_fix_value = 0 ;
145 }
146 #endif
147 }
148
149 /*
150 * manufacturer data
151 */
152 static const char man_data[32] =
153 /* 01234567890123456789012345678901 */
154 "xxxSK-NET FDDI SMT 7.3 - V2.8.8" ;
155
smt_init_mib(struct s_smc * smc,int level)156 static void smt_init_mib(struct s_smc *smc, int level)
157 {
158 struct fddi_mib *mib ;
159 struct fddi_mib_p *pm ;
160 int port ;
161 int path ;
162
163 mib = &smc->mib ;
164 if (level == 0) {
165 /*
166 * set EVERYTHING to ZERO
167 * EXCEPT hw and os
168 */
169 memset(((char *)smc)+
170 sizeof(struct s_smt_os)+sizeof(struct s_smt_hw), 0,
171 sizeof(struct s_smc) -
172 sizeof(struct s_smt_os) - sizeof(struct s_smt_hw)) ;
173 }
174 else {
175 mib->fddiSMTRemoteDisconnectFlag = 0 ;
176 mib->fddiSMTPeerWrapFlag = 0 ;
177 }
178
179 mib->fddiSMTOpVersionId = 2 ;
180 mib->fddiSMTHiVersionId = 2 ;
181 mib->fddiSMTLoVersionId = 2 ;
182 memcpy((char *) mib->fddiSMTManufacturerData,man_data,32) ;
183 if (level == 0) {
184 strcpy(mib->fddiSMTUserData,OEM_USER_DATA) ;
185 }
186 mib->fddiSMTMIBVersionId = 1 ;
187 mib->fddiSMTMac_Ct = NUMMACS ;
188 mib->fddiSMTConnectionPolicy = POLICY_MM | POLICY_AA | POLICY_BB ;
189
190 /*
191 * fddiSMTNonMaster_Ct and fddiSMTMaster_Ct are set in smt_fixup_mib
192 * s.sas is not set yet (is set in init driver)
193 */
194 mib->fddiSMTAvailablePaths = MIB_PATH_P | MIB_PATH_S ;
195
196 mib->fddiSMTConfigCapabilities = 0 ; /* no hold,no wrap_ab*/
197 mib->fddiSMTTT_Notify = 10 ;
198 mib->fddiSMTStatRptPolicy = TRUE ;
199 mib->fddiSMTTrace_MaxExpiration = SEC2MIB(7) ;
200 mib->fddiSMTMACIndexes = INDEX_MAC ;
201 mib->fddiSMTStationStatus = MIB_SMT_STASTA_SEPA ; /* separated */
202
203 mib->m[MAC0].fddiMACIndex = INDEX_MAC ;
204 mib->m[MAC0].fddiMACFrameStatusFunctions = FSC_TYPE0 ;
205 mib->m[MAC0].fddiMACRequestedPaths =
206 MIB_P_PATH_LOCAL |
207 MIB_P_PATH_SEC_ALTER |
208 MIB_P_PATH_PRIM_ALTER ;
209 mib->m[MAC0].fddiMACAvailablePaths = MIB_PATH_P ;
210 mib->m[MAC0].fddiMACCurrentPath = MIB_PATH_PRIMARY ;
211 mib->m[MAC0].fddiMACT_MaxCapabilitiy = (u_long)(- MS2BCLK(165)) ;
212 mib->m[MAC0].fddiMACTVXCapabilitiy = (u_long)(- US2BCLK(52)) ;
213 if (level == 0) {
214 mib->m[MAC0].fddiMACTvxValue = (u_long)(- US2BCLK(27)) ;
215 mib->m[MAC0].fddiMACTvxValueMIB = (u_long)(- US2BCLK(27)) ;
216 mib->m[MAC0].fddiMACT_Req = (u_long)(- MS2BCLK(165)) ;
217 mib->m[MAC0].fddiMACT_ReqMIB = (u_long)(- MS2BCLK(165)) ;
218 mib->m[MAC0].fddiMACT_Max = (u_long)(- MS2BCLK(165)) ;
219 mib->m[MAC0].fddiMACT_MaxMIB = (u_long)(- MS2BCLK(165)) ;
220 mib->m[MAC0].fddiMACT_Min = (u_long)(- MS2BCLK(4)) ;
221 }
222 mib->m[MAC0].fddiMACHardwarePresent = TRUE ;
223 mib->m[MAC0].fddiMACMA_UnitdataEnable = TRUE ;
224 mib->m[MAC0].fddiMACFrameErrorThreshold = 1 ;
225 mib->m[MAC0].fddiMACNotCopiedThreshold = 1 ;
226 /*
227 * Path attributes
228 */
229 for (path = 0 ; path < NUMPATHS ; path++) {
230 mib->a[path].fddiPATHIndex = INDEX_PATH + path ;
231 if (level == 0) {
232 mib->a[path].fddiPATHTVXLowerBound =
233 (u_long)(- US2BCLK(27)) ;
234 mib->a[path].fddiPATHT_MaxLowerBound =
235 (u_long)(- MS2BCLK(165)) ;
236 mib->a[path].fddiPATHMaxT_Req =
237 (u_long)(- MS2BCLK(165)) ;
238 }
239 }
240
241
242 /*
243 * Port attributes
244 */
245 pm = mib->p ;
246 for (port = 0 ; port < NUMPHYS ; port++) {
247 /*
248 * set MIB pointer in phy
249 */
250 /* Attention: don't initialize mib pointer here! */
251 /* It must be initialized during phase 2 */
252 smc->y[port].mib = NULL;
253 mib->fddiSMTPORTIndexes[port] = port+INDEX_PORT ;
254
255 pm->fddiPORTIndex = port+INDEX_PORT ;
256 pm->fddiPORTHardwarePresent = TRUE ;
257 if (level == 0) {
258 pm->fddiPORTLer_Alarm = DEFAULT_LEM_ALARM ;
259 pm->fddiPORTLer_Cutoff = DEFAULT_LEM_CUTOFF ;
260 }
261 /*
262 * fddiPORTRequestedPaths are set in pcmplc.c
263 * we don't know the port type yet !
264 */
265 pm->fddiPORTRequestedPaths[1] = 0 ;
266 pm->fddiPORTRequestedPaths[2] = 0 ;
267 pm->fddiPORTRequestedPaths[3] = 0 ;
268 pm->fddiPORTAvailablePaths = MIB_PATH_P ;
269 pm->fddiPORTPMDClass = MIB_PMDCLASS_MULTI ;
270 pm++ ;
271 }
272
273 (void) smt_set_mac_opvalues(smc) ;
274 }
275
smt_set_mac_opvalues(struct s_smc * smc)276 int smt_set_mac_opvalues(struct s_smc *smc)
277 {
278 int st ;
279 int st2 ;
280
281 st = set_min_max(1,smc->mib.m[MAC0].fddiMACTvxValueMIB,
282 smc->mib.a[PATH0].fddiPATHTVXLowerBound,
283 &smc->mib.m[MAC0].fddiMACTvxValue) ;
284 st |= set_min_max(0,smc->mib.m[MAC0].fddiMACT_MaxMIB,
285 smc->mib.a[PATH0].fddiPATHT_MaxLowerBound,
286 &smc->mib.m[MAC0].fddiMACT_Max) ;
287 st |= (st2 = set_min_max(0,smc->mib.m[MAC0].fddiMACT_ReqMIB,
288 smc->mib.a[PATH0].fddiPATHMaxT_Req,
289 &smc->mib.m[MAC0].fddiMACT_Req)) ;
290 if (st2) {
291 /* Treq attribute changed remotely. So send an AIX_EVENT to the
292 * user
293 */
294 AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long)
295 FDDI_SMT_EVENT, (u_long) FDDI_REMOTE_T_REQ,
296 smt_get_event_word(smc));
297 }
298 return st;
299 }
300
smt_fixup_mib(struct s_smc * smc)301 void smt_fixup_mib(struct s_smc *smc)
302 {
303 #ifdef CONCENTRATOR
304 switch (smc->s.sas) {
305 case SMT_SAS :
306 smc->mib.fddiSMTNonMaster_Ct = 1 ;
307 break ;
308 case SMT_DAS :
309 smc->mib.fddiSMTNonMaster_Ct = 2 ;
310 break ;
311 case SMT_NAC :
312 smc->mib.fddiSMTNonMaster_Ct = 0 ;
313 break ;
314 }
315 smc->mib.fddiSMTMaster_Ct = NUMPHYS - smc->mib.fddiSMTNonMaster_Ct ;
316 #else
317 switch (smc->s.sas) {
318 case SMT_SAS :
319 smc->mib.fddiSMTNonMaster_Ct = 1 ;
320 break ;
321 case SMT_DAS :
322 smc->mib.fddiSMTNonMaster_Ct = 2 ;
323 break ;
324 }
325 smc->mib.fddiSMTMaster_Ct = 0 ;
326 #endif
327 }
328
329 /*
330 * determine new setting for operational value
331 * if limit is lower than mib
332 * use limit
333 * else
334 * use mib
335 * NOTE : numbers are negative, negate comparison !
336 */
set_min_max(int maxflag,u_long mib,u_long limit,u_long * oper)337 static int set_min_max(int maxflag, u_long mib, u_long limit, u_long *oper)
338 {
339 u_long old ;
340 old = *oper ;
341 if ((limit > mib) ^ maxflag)
342 *oper = limit ;
343 else
344 *oper = mib ;
345 return old != *oper;
346 }
347
348