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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
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 | * | |
1da177e4 LT |
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 | #ifndef lint | |
26 | static const char ID_sccs[] = "@(#)smtdef.c 2.53 99/08/11 (C) SK " ; | |
27 | #endif | |
28 | ||
29 | /* | |
30 | * defaults | |
31 | */ | |
32 | #define TTMS(x) ((u_long)(x)*1000L) | |
33 | #define TTS(x) ((u_long)(x)*1000000L) | |
34 | #define TTUS(x) ((u_long)(x)) | |
35 | ||
36 | #define DEFAULT_TB_MIN TTMS(5) | |
37 | #define DEFAULT_TB_MAX TTMS(50) | |
38 | #define DEFAULT_C_MIN TTUS(1600) | |
39 | #define DEFAULT_T_OUT TTMS(100+5) | |
40 | #define DEFAULT_TL_MIN TTUS(30) | |
41 | #define DEFAULT_LC_SHORT TTMS(50+5) | |
42 | #define DEFAULT_LC_MEDIUM TTMS(500+20) | |
43 | #define DEFAULT_LC_LONG TTS(5)+TTMS(50) | |
44 | #define DEFAULT_LC_EXTENDED TTS(50)+TTMS(50) | |
45 | #define DEFAULT_T_NEXT_9 TTMS(200+10) | |
46 | #define DEFAULT_NS_MAX TTUS(1310) | |
47 | #define DEFAULT_I_MAX TTMS(25) | |
48 | #define DEFAULT_IN_MAX TTMS(40) | |
49 | #define DEFAULT_TD_MIN TTMS(5) | |
50 | #define DEFAULT_T_NON_OP TTS(1) | |
51 | #define DEFAULT_T_STUCK TTS(8) | |
52 | #define DEFAULT_T_DIRECT TTMS(370) | |
53 | #define DEFAULT_T_JAM TTMS(370) | |
54 | #define DEFAULT_T_ANNOUNCE TTMS(2500) | |
55 | #define DEFAULT_D_MAX TTUS(1617) | |
56 | #define DEFAULT_LEM_ALARM (8) | |
57 | #define DEFAULT_LEM_CUTOFF (7) | |
58 | #define DEFAULT_TEST_DONE TTS(1) | |
59 | #define DEFAULT_CHECK_POLL TTS(1) | |
60 | #define DEFAULT_POLL TTMS(50) | |
61 | ||
62 | /* | |
63 | * LCT errors threshold | |
64 | */ | |
65 | #define DEFAULT_LCT_SHORT 1 | |
66 | #define DEFAULT_LCT_MEDIUM 3 | |
67 | #define DEFAULT_LCT_LONG 5 | |
68 | #define DEFAULT_LCT_EXTEND 50 | |
69 | ||
70 | /* Forward declarations */ | |
71 | void smt_reset_defaults(struct s_smc *smc, int level); | |
72 | static void smt_init_mib(struct s_smc *smc, int level); | |
73 | static int set_min_max(int maxflag, u_long mib, u_long limit, u_long *oper); | |
74 | ||
1da177e4 LT |
75 | #define MS2BCLK(x) ((x)*12500L) |
76 | #define US2BCLK(x) ((x)*1250L) | |
77 | ||
78 | void smt_reset_defaults(struct s_smc *smc, int level) | |
79 | { | |
80 | struct smt_config *smt ; | |
81 | int i ; | |
82 | u_long smt_boot_time; | |
83 | ||
84 | ||
85 | smt_init_mib(smc,level) ; | |
86 | ||
87 | smc->os.smc_version = SMC_VERSION ; | |
88 | smt_boot_time = smt_get_time(); | |
89 | for( i = 0; i < NUMMACS; i++ ) | |
90 | smc->sm.last_tok_time[i] = smt_boot_time ; | |
91 | smt = &smc->s ; | |
92 | smt->attach_s = 0 ; | |
93 | smt->build_ring_map = 1 ; | |
94 | smt->sas = SMT_DAS ; | |
95 | smt->numphys = NUMPHYS ; | |
96 | smt->pcm_tb_min = DEFAULT_TB_MIN ; | |
97 | smt->pcm_tb_max = DEFAULT_TB_MAX ; | |
98 | smt->pcm_c_min = DEFAULT_C_MIN ; | |
99 | smt->pcm_t_out = DEFAULT_T_OUT ; | |
100 | smt->pcm_tl_min = DEFAULT_TL_MIN ; | |
101 | smt->pcm_lc_short = DEFAULT_LC_SHORT ; | |
102 | smt->pcm_lc_medium = DEFAULT_LC_MEDIUM ; | |
103 | smt->pcm_lc_long = DEFAULT_LC_LONG ; | |
104 | smt->pcm_lc_extended = DEFAULT_LC_EXTENDED ; | |
105 | smt->pcm_t_next_9 = DEFAULT_T_NEXT_9 ; | |
106 | smt->pcm_ns_max = DEFAULT_NS_MAX ; | |
107 | smt->ecm_i_max = DEFAULT_I_MAX ; | |
108 | smt->ecm_in_max = DEFAULT_IN_MAX ; | |
109 | smt->ecm_td_min = DEFAULT_TD_MIN ; | |
110 | smt->ecm_test_done = DEFAULT_TEST_DONE ; | |
111 | smt->ecm_check_poll = DEFAULT_CHECK_POLL ; | |
112 | smt->rmt_t_non_op = DEFAULT_T_NON_OP ; | |
113 | smt->rmt_t_stuck = DEFAULT_T_STUCK ; | |
114 | smt->rmt_t_direct = DEFAULT_T_DIRECT ; | |
115 | smt->rmt_t_jam = DEFAULT_T_JAM ; | |
116 | smt->rmt_t_announce = DEFAULT_T_ANNOUNCE ; | |
117 | smt->rmt_t_poll = DEFAULT_POLL ; | |
118 | smt->rmt_dup_mac_behavior = FALSE ; /* See Struct smt_config */ | |
119 | smt->mac_d_max = DEFAULT_D_MAX ; | |
120 | ||
121 | smt->lct_short = DEFAULT_LCT_SHORT ; | |
122 | smt->lct_medium = DEFAULT_LCT_MEDIUM ; | |
123 | smt->lct_long = DEFAULT_LCT_LONG ; | |
124 | smt->lct_extended = DEFAULT_LCT_EXTEND ; | |
125 | ||
126 | #ifndef SLIM_SMT | |
127 | #ifdef ESS | |
128 | if (level == 0) { | |
129 | smc->ess.sync_bw_available = FALSE ; | |
130 | smc->mib.fddiESSPayload = 0 ; | |
131 | smc->mib.fddiESSOverhead = 0 ; | |
132 | smc->mib.fddiESSMaxTNeg = (u_long)(- MS2BCLK(25)) ; | |
133 | smc->mib.fddiESSMinSegmentSize = 1 ; | |
134 | smc->mib.fddiESSCategory = SB_STATIC ; | |
135 | smc->mib.fddiESSSynchTxMode = FALSE ; | |
136 | smc->ess.raf_act_timer_poll = FALSE ; | |
137 | smc->ess.timer_count = 7 ; /* first RAF alc req after 3s */ | |
138 | } | |
139 | smc->ess.local_sba_active = FALSE ; | |
140 | smc->ess.sba_reply_pend = NULL ; | |
141 | #endif | |
142 | #ifdef SBA | |
143 | smt_init_sba(smc,level) ; | |
144 | #endif | |
145 | #endif /* no SLIM_SMT */ | |
146 | #ifdef TAG_MODE | |
147 | if (level == 0) { | |
148 | smc->hw.pci_fix_value = 0 ; | |
149 | } | |
150 | #endif | |
151 | } | |
152 | ||
153 | /* | |
154 | * manufacturer data | |
155 | */ | |
156 | static const char man_data[32] = | |
157 | /* 01234567890123456789012345678901 */ | |
158 | "xxxSK-NET FDDI SMT 7.3 - V2.8.8" ; | |
159 | ||
160 | static void smt_init_mib(struct s_smc *smc, int level) | |
161 | { | |
162 | struct fddi_mib *mib ; | |
163 | struct fddi_mib_p *pm ; | |
164 | int port ; | |
165 | int path ; | |
166 | ||
167 | mib = &smc->mib ; | |
168 | if (level == 0) { | |
169 | /* | |
170 | * set EVERYTHING to ZERO | |
171 | * EXCEPT hw and os | |
172 | */ | |
173 | memset(((char *)smc)+ | |
174 | sizeof(struct s_smt_os)+sizeof(struct s_smt_hw), 0, | |
175 | sizeof(struct s_smc) - | |
176 | sizeof(struct s_smt_os) - sizeof(struct s_smt_hw)) ; | |
177 | } | |
178 | else { | |
179 | mib->fddiSMTRemoteDisconnectFlag = 0 ; | |
180 | mib->fddiSMTPeerWrapFlag = 0 ; | |
181 | } | |
182 | ||
183 | mib->fddiSMTOpVersionId = 2 ; | |
184 | mib->fddiSMTHiVersionId = 2 ; | |
185 | mib->fddiSMTLoVersionId = 2 ; | |
186 | memcpy((char *) mib->fddiSMTManufacturerData,man_data,32) ; | |
187 | if (level == 0) { | |
188 | strcpy(mib->fddiSMTUserData,OEM_USER_DATA) ; | |
189 | } | |
190 | mib->fddiSMTMIBVersionId = 1 ; | |
191 | mib->fddiSMTMac_Ct = NUMMACS ; | |
192 | mib->fddiSMTConnectionPolicy = POLICY_MM | POLICY_AA | POLICY_BB ; | |
193 | ||
194 | /* | |
195 | * fddiSMTNonMaster_Ct and fddiSMTMaster_Ct are set in smt_fixup_mib | |
196 | * s.sas is not set yet (is set in init driver) | |
197 | */ | |
198 | mib->fddiSMTAvailablePaths = MIB_PATH_P | MIB_PATH_S ; | |
199 | ||
200 | mib->fddiSMTConfigCapabilities = 0 ; /* no hold,no wrap_ab*/ | |
201 | mib->fddiSMTTT_Notify = 10 ; | |
202 | mib->fddiSMTStatRptPolicy = TRUE ; | |
203 | mib->fddiSMTTrace_MaxExpiration = SEC2MIB(7) ; | |
204 | mib->fddiSMTMACIndexes = INDEX_MAC ; | |
205 | mib->fddiSMTStationStatus = MIB_SMT_STASTA_SEPA ; /* separated */ | |
206 | ||
207 | mib->m[MAC0].fddiMACIndex = INDEX_MAC ; | |
208 | mib->m[MAC0].fddiMACFrameStatusFunctions = FSC_TYPE0 ; | |
209 | mib->m[MAC0].fddiMACRequestedPaths = | |
210 | MIB_P_PATH_LOCAL | | |
211 | MIB_P_PATH_SEC_ALTER | | |
212 | MIB_P_PATH_PRIM_ALTER ; | |
213 | mib->m[MAC0].fddiMACAvailablePaths = MIB_PATH_P ; | |
214 | mib->m[MAC0].fddiMACCurrentPath = MIB_PATH_PRIMARY ; | |
215 | mib->m[MAC0].fddiMACT_MaxCapabilitiy = (u_long)(- MS2BCLK(165)) ; | |
216 | mib->m[MAC0].fddiMACTVXCapabilitiy = (u_long)(- US2BCLK(52)) ; | |
217 | if (level == 0) { | |
218 | mib->m[MAC0].fddiMACTvxValue = (u_long)(- US2BCLK(27)) ; | |
219 | mib->m[MAC0].fddiMACTvxValueMIB = (u_long)(- US2BCLK(27)) ; | |
220 | mib->m[MAC0].fddiMACT_Req = (u_long)(- MS2BCLK(165)) ; | |
221 | mib->m[MAC0].fddiMACT_ReqMIB = (u_long)(- MS2BCLK(165)) ; | |
222 | mib->m[MAC0].fddiMACT_Max = (u_long)(- MS2BCLK(165)) ; | |
223 | mib->m[MAC0].fddiMACT_MaxMIB = (u_long)(- MS2BCLK(165)) ; | |
224 | mib->m[MAC0].fddiMACT_Min = (u_long)(- MS2BCLK(4)) ; | |
225 | } | |
226 | mib->m[MAC0].fddiMACHardwarePresent = TRUE ; | |
227 | mib->m[MAC0].fddiMACMA_UnitdataEnable = TRUE ; | |
228 | mib->m[MAC0].fddiMACFrameErrorThreshold = 1 ; | |
229 | mib->m[MAC0].fddiMACNotCopiedThreshold = 1 ; | |
230 | /* | |
231 | * Path attributes | |
232 | */ | |
233 | for (path = 0 ; path < NUMPATHS ; path++) { | |
234 | mib->a[path].fddiPATHIndex = INDEX_PATH + path ; | |
235 | if (level == 0) { | |
236 | mib->a[path].fddiPATHTVXLowerBound = | |
237 | (u_long)(- US2BCLK(27)) ; | |
238 | mib->a[path].fddiPATHT_MaxLowerBound = | |
239 | (u_long)(- MS2BCLK(165)) ; | |
240 | mib->a[path].fddiPATHMaxT_Req = | |
241 | (u_long)(- MS2BCLK(165)) ; | |
242 | } | |
243 | } | |
244 | ||
245 | ||
246 | /* | |
247 | * Port attributes | |
248 | */ | |
249 | pm = mib->p ; | |
250 | for (port = 0 ; port < NUMPHYS ; port++) { | |
251 | /* | |
252 | * set MIB pointer in phy | |
253 | */ | |
254 | /* Attention: don't initialize mib pointer here! */ | |
255 | /* It must be initialized during phase 2 */ | |
256 | smc->y[port].mib = NULL; | |
257 | mib->fddiSMTPORTIndexes[port] = port+INDEX_PORT ; | |
258 | ||
259 | pm->fddiPORTIndex = port+INDEX_PORT ; | |
260 | pm->fddiPORTHardwarePresent = TRUE ; | |
261 | if (level == 0) { | |
262 | pm->fddiPORTLer_Alarm = DEFAULT_LEM_ALARM ; | |
263 | pm->fddiPORTLer_Cutoff = DEFAULT_LEM_CUTOFF ; | |
264 | } | |
265 | /* | |
266 | * fddiPORTRequestedPaths are set in pcmplc.c | |
267 | * we don't know the port type yet ! | |
268 | */ | |
269 | pm->fddiPORTRequestedPaths[1] = 0 ; | |
270 | pm->fddiPORTRequestedPaths[2] = 0 ; | |
271 | pm->fddiPORTRequestedPaths[3] = 0 ; | |
272 | pm->fddiPORTAvailablePaths = MIB_PATH_P ; | |
273 | pm->fddiPORTPMDClass = MIB_PMDCLASS_MULTI ; | |
274 | pm++ ; | |
275 | } | |
276 | ||
277 | (void) smt_set_mac_opvalues(smc) ; | |
278 | } | |
279 | ||
280 | int smt_set_mac_opvalues(struct s_smc *smc) | |
281 | { | |
282 | int st ; | |
283 | int st2 ; | |
284 | ||
285 | st = set_min_max(1,smc->mib.m[MAC0].fddiMACTvxValueMIB, | |
286 | smc->mib.a[PATH0].fddiPATHTVXLowerBound, | |
287 | &smc->mib.m[MAC0].fddiMACTvxValue) ; | |
288 | st |= set_min_max(0,smc->mib.m[MAC0].fddiMACT_MaxMIB, | |
289 | smc->mib.a[PATH0].fddiPATHT_MaxLowerBound, | |
290 | &smc->mib.m[MAC0].fddiMACT_Max) ; | |
291 | st |= (st2 = set_min_max(0,smc->mib.m[MAC0].fddiMACT_ReqMIB, | |
292 | smc->mib.a[PATH0].fddiPATHMaxT_Req, | |
293 | &smc->mib.m[MAC0].fddiMACT_Req)) ; | |
294 | if (st2) { | |
295 | /* Treq attribute changed remotely. So send an AIX_EVENT to the | |
296 | * user | |
297 | */ | |
298 | AIX_EVENT(smc, (u_long) FDDI_RING_STATUS, (u_long) | |
299 | FDDI_SMT_EVENT, (u_long) FDDI_REMOTE_T_REQ, | |
300 | smt_get_event_word(smc)); | |
301 | } | |
807540ba | 302 | return st; |
1da177e4 LT |
303 | } |
304 | ||
305 | void smt_fixup_mib(struct s_smc *smc) | |
306 | { | |
307 | #ifdef CONCENTRATOR | |
308 | switch (smc->s.sas) { | |
309 | case SMT_SAS : | |
310 | smc->mib.fddiSMTNonMaster_Ct = 1 ; | |
311 | break ; | |
312 | case SMT_DAS : | |
313 | smc->mib.fddiSMTNonMaster_Ct = 2 ; | |
314 | break ; | |
315 | case SMT_NAC : | |
316 | smc->mib.fddiSMTNonMaster_Ct = 0 ; | |
317 | break ; | |
318 | } | |
319 | smc->mib.fddiSMTMaster_Ct = NUMPHYS - smc->mib.fddiSMTNonMaster_Ct ; | |
320 | #else | |
321 | switch (smc->s.sas) { | |
322 | case SMT_SAS : | |
323 | smc->mib.fddiSMTNonMaster_Ct = 1 ; | |
324 | break ; | |
325 | case SMT_DAS : | |
326 | smc->mib.fddiSMTNonMaster_Ct = 2 ; | |
327 | break ; | |
328 | } | |
329 | smc->mib.fddiSMTMaster_Ct = 0 ; | |
330 | #endif | |
331 | } | |
332 | ||
333 | /* | |
334 | * determine new setting for operational value | |
335 | * if limit is lower than mib | |
336 | * use limit | |
337 | * else | |
338 | * use mib | |
339 | * NOTE : numbers are negative, negate comparison ! | |
340 | */ | |
341 | static int set_min_max(int maxflag, u_long mib, u_long limit, u_long *oper) | |
342 | { | |
343 | u_long old ; | |
344 | old = *oper ; | |
345 | if ((limit > mib) ^ maxflag) | |
346 | *oper = limit ; | |
347 | else | |
348 | *oper = mib ; | |
807540ba | 349 | return old != *oper; |
1da177e4 LT |
350 | } |
351 |