summaryrefslogtreecommitdiffstats
path: root/drivers/net/fddi/skfp/h/smc.h
blob: b0e6ce0d893eb7d7f45092f43d1aa838cc9cca0f (plain)
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
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
/* SPDX-License-Identifier: GPL-2.0-or-later */
/******************************************************************************
 *
 *	(C)Copyright 1998,1999 SysKonnect,
 *	a business unit of Schneider & Koch & Co. Datensysteme GmbH.
 *
 *	The information in this file is provided "AS IS" without warranty.
 *
 ******************************************************************************/

#ifndef	_SCMECM_
#define _SCMECM_

#if	defined(PCI) && !defined(OSDEF)
/*
 * In the case of the PCI bus the file osdef1st.h must be present
 */
#define	OSDEF
#endif

#ifdef	PCI
#ifndef	SUPERNET_3
#define	SUPERNET_3
#endif
#ifndef	TAG_MODE
#define	TAG_MODE
#endif
#endif

/*
 * include all other files in required order
 * the following files must have been included before:
 *	types.h
 *	fddi.h
 */
#ifdef	OSDEF
#include "osdef1st.h"
#endif	/* OSDEF */
#ifdef	OEM_CONCEPT
#include "oemdef.h"
#endif	/* OEM_CONCEPT */
#include "smt.h"
#include "cmtdef.h"
#include "fddimib.h"
#include "targethw.h"		/* all target hw dependencies */
#include "targetos.h"		/* all target os dependencies */
#ifdef	ESS
#include "sba.h"
#endif

/*
 * Event Queue
 *	queue.c
 * events are class/value pairs
 *	class	is addressee, e.g. RMT, PCM etc.
 *	value	is command, e.g. line state change, ring op change etc.
 */
struct event_queue {
	u_short	class ;			/* event class */
	u_short	event ;			/* event value */
} ;

/*
 * define event queue as circular buffer
 */
#ifdef	CONCENTRATOR
#define MAX_EVENT	128
#else	/* nCONCENTRATOR */
#define MAX_EVENT	64
#endif	/* nCONCENTRATOR */

struct s_queue {

	struct event_queue ev_queue[MAX_EVENT];
	struct event_queue *ev_put ;
	struct event_queue *ev_get ;
} ;

/*
 * ECM - Entity Coordination Management
 * ecm.c
 */
struct s_ecm {
	u_char path_test ;		/* ECM path test variable */
	u_char sb_flag ;		/* ECM stuck bypass */
	u_char DisconnectFlag ;		/* jd 05-Aug-1999 Bug #10419 
					 * ECM disconnected */
	u_char ecm_line_state ;		/* flag to dispatcher : line states */
	u_long trace_prop ;		/* ECM Trace_Prop flag >= 16 bits !! */
	/* NUMPHYS note:
	 * this variable must have enough bits to hold all entiies in
	 * the station. So NUMPHYS may not be greater than 31.
	 */
	char	ec_pad[2] ;
	struct smt_timer ecm_timer ;	/* timer */
} ;


/*
 * RMT - Ring Management
 * rmt.c
 */
struct s_rmt {
	u_char dup_addr_test ;		/* state of dupl. addr. test */
	u_char da_flag ;		/* flag : duplicate address det. */
	u_char loop_avail ;		/* flag : MAC available for loopback */
	u_char sm_ma_avail ;		/* flag : MAC available for SMT */
	u_char no_flag ;		/* flag : ring not operational */
	u_char bn_flag ;		/* flag : MAC reached beacon state */
	u_char jm_flag ;		/* flag : jamming in NON_OP_DUP */
	u_char rm_join ;		/* CFM flag RM_Join */
	u_char rm_loop ;		/* CFM flag RM_Loop */

	long fast_rm_join ;		/* bit mask of active ports */
	/*
	 * timer and flags
	 */
	struct smt_timer rmt_timer0 ;	/* timer 0 */
	struct smt_timer rmt_timer1 ;	/* timer 1 */
	struct smt_timer rmt_timer2 ;	/* timer 2 */
	u_char timer0_exp ;		/* flag : timer 0 expired */
	u_char timer1_exp ;		/* flag : timer 1 expired */
	u_char timer2_exp ;		/* flag : timer 2 expired */

	u_char rm_pad1;
} ;

/*
 * CFM - Configuration Management
 * cfm.c
 * used for SAS and DAS
 */
struct s_cfm {
	u_char cf_state;		/* CFM state machine current state */
	u_char cf_pad[3] ;
} ;

/*
 * CEM - Configuration Element Management
 * cem.c
 * used for Concentrator
 */
#ifdef	CONCENTRATOR
struct s_cem {
	int	ce_state ;	/* CEM state */
	int	ce_port ;	/* PA PB PM PM+1 .. */
	int	ce_type ;	/* TA TB TS TM */
} ;

/*
 * linked list of CCEs in current token path
 */
struct s_c_ring {
	struct s_c_ring	*c_next ;
	char		c_entity ;
} ;

struct mib_path_config {
	u_long	fddimibPATHConfigSMTIndex;
	u_long	fddimibPATHConfigPATHIndex;
	u_long	fddimibPATHConfigTokenOrder;
	u_long	fddimibPATHConfigResourceType;
#define SNMP_RES_TYPE_MAC	2	/* Resource is a MAC */
#define SNMP_RES_TYPE_PORT	4	/* Resource is a PORT */
	u_long	fddimibPATHConfigResourceIndex;
	u_long	fddimibPATHConfigCurrentPath;
#define SNMP_PATH_ISOLATED	1	/* Current path is isolated */
#define SNMP_PATH_LOCAL		2	/* Current path is local */
#define SNMP_PATH_SECONDARY	3	/* Current path is secondary */
#define SNMP_PATH_PRIMARY	4	/* Current path is primary */
#define SNMP_PATH_CONCATENATED	5	/* Current path is concatenated */
#define SNMP_PATH_THRU		6	/* Current path is thru */
};


#endif

/*
 * PCM connect states
 */
#define PCM_DISABLED	0
#define PCM_CONNECTING	1
#define PCM_STANDBY	2
#define PCM_ACTIVE	3

struct s_pcm {
	u_char	pcm_pad[3] ;
} ;

/*
 * PHY struct
 * one per physical port
 */
struct s_phy {
	/* Inter Module Globals */
	struct fddi_mib_p	*mib ;

	u_char np ;		/* index 0 .. NUMPHYS */
	u_char cf_join ;
	u_char cf_loop ;
	u_char wc_flag ;	/* withhold connection flag */
	u_char pc_mode ;	/* Holds the negotiated mode of the PCM */
	u_char pc_lem_fail ;	/* flag : LCT failed */
	u_char lc_test ;
	u_char scrub ;		/* CFM flag Scrub -> PCM */
	char phy_name ;
	u_char pmd_type[2] ;	/* SK connector/transceiver type codes */
#define PMD_SK_CONN	0	/* pmd_type[PMD_SK_CONN] = Connector */
#define PMD_SK_PMD	1	/* pmd_type[PMD_SK_PMD] = Xver */
	u_char pmd_scramble ;	/* scrambler on/off */

	/* inner Module Globals */
	u_char curr_ls ;	/* current line state */
	u_char ls_flag ;
	u_char rc_flag ;
	u_char tc_flag ;
	u_char td_flag ;
	u_char bitn ;
	u_char tr_flag ;	/* trace recvd while in active */
	u_char twisted ;	/* flag to indicate an A-A or B-B connection */
	u_char t_val[NUMBITS] ;	/* transmit bits for signaling */
	u_char r_val[NUMBITS] ;	/* receive bits for signaling */
	u_long t_next[NUMBITS] ;
	struct smt_timer pcm_timer0 ;
	struct smt_timer pcm_timer1 ;
	struct smt_timer pcm_timer2 ;
	u_char timer0_exp ;
	u_char timer1_exp ;
	u_char timer2_exp ;
	u_char pcm_pad1[1] ;
	int	cem_pst ;	/* CEM private state; used for dual homing */
	struct lem_counter lem ;
#ifdef	AMDPLC
	struct s_plc	plc ;
#endif
} ;

/*
 * timer package
 * smttimer.c
 */
struct s_timer {
	struct smt_timer	*st_queue ;
	struct smt_timer	st_fast ;
} ;

/*
 * SRF types and data
 */
#define SMT_EVENT_BASE			1
#define SMT_EVENT_MAC_PATH_CHANGE	(SMT_EVENT_BASE+0)
#define SMT_EVENT_MAC_NEIGHBOR_CHANGE	(SMT_EVENT_BASE+1)
#define SMT_EVENT_PORT_PATH_CHANGE	(SMT_EVENT_BASE+2)
#define SMT_EVENT_PORT_CONNECTION	(SMT_EVENT_BASE+3)

#define SMT_IS_CONDITION(x)			((x)>=SMT_COND_BASE)

#define SMT_COND_BASE		(SMT_EVENT_PORT_CONNECTION+1)
#define SMT_COND_SMT_PEER_WRAP		(SMT_COND_BASE+0)
#define SMT_COND_SMT_HOLD		(SMT_COND_BASE+1)
#define SMT_COND_MAC_FRAME_ERROR	(SMT_COND_BASE+2)
#define SMT_COND_MAC_DUP_ADDR		(SMT_COND_BASE+3)
#define SMT_COND_MAC_NOT_COPIED		(SMT_COND_BASE+4)
#define SMT_COND_PORT_EB_ERROR		(SMT_COND_BASE+5)
#define SMT_COND_PORT_LER		(SMT_COND_BASE+6)

#define SR0_WAIT	0
#define SR1_HOLDOFF	1
#define SR2_DISABLED	2

struct s_srf {
	u_long	SRThreshold ;			/* threshold value */
	u_char	RT_Flag ;			/* report transmitted flag */
	u_char	sr_state ;			/* state-machine */
	u_char	any_report ;			/* any report required */
	u_long	TSR ;				/* timer */
	u_short	ring_status ;			/* IBM ring status */
} ;

/*
 * IBM token ring status
 */
#define RS_RES15	(1<<15)			/* reserved */
#define RS_HARDERROR	(1<<14)			/* ring down */
#define RS_SOFTERROR	(1<<13)			/* sent SRF */
#define RS_BEACON	(1<<12)			/* transmitted beacon */
#define RS_PATHTEST	(1<<11)			/* path test failed */
#define RS_SELFTEST	(1<<10)			/* selftest required */
#define RS_RES9		(1<< 9)			/* reserved */
#define RS_DISCONNECT	(1<< 8)			/* remote disconnect */
#define RS_RES7		(1<< 7)			/* reserved */
#define RS_DUPADDR	(1<< 6)			/* duplicate address */
#define RS_NORINGOP	(1<< 5)			/* no ring op */
#define RS_VERSION	(1<< 4)			/* SMT version mismatch */
#define RS_STUCKBYPASSS	(1<< 3)			/* stuck bypass */
#define RS_EVENT	(1<< 2)			/* FDDI event occurred */
#define RS_RINGOPCHANGE	(1<< 1)			/* ring op changed */
#define RS_RES0		(1<< 0)			/* reserved */

#define RS_SET(smc,bit) \
	ring_status_indication(smc,smc->srf.ring_status |= bit)
#define RS_CLEAR(smc,bit)	\
	ring_status_indication(smc,smc->srf.ring_status &= ~bit)

#define RS_CLEAR_EVENT	(0xffff & ~(RS_NORINGOP))

/* Define the AIX-event-Notification as null function if it isn't defined */
/* in the targetos.h file */
#ifndef AIX_EVENT
#define AIX_EVENT(smc,opt0,opt1,opt2,opt3)	/* nothing */
#endif

struct s_srf_evc {
	u_char	evc_code ;			/* event code type */
	u_char	evc_index ;			/* index for mult. instances */
	u_char	evc_rep_required ;		/* report required */
	u_short	evc_para ;			/* SMT Para Number */
	u_char	*evc_cond_state ;		/* condition state */
	u_char	*evc_multiple ;			/* multiple occurrence */
} ;

/*
 * Values used by frame based services
 * smt.c
 */
#define SMT_MAX_TEST		5
#define SMT_TID_NIF		0		/* pending NIF request */
#define SMT_TID_NIF_TEST	1		/* pending NIF test */
#define SMT_TID_ECF_UNA		2		/* pending ECF UNA test */
#define SMT_TID_ECF_DNA		3		/* pending ECF DNA test */
#define SMT_TID_ECF		4		/* pending ECF test */

struct smt_values {
	u_long		smt_tvu ;		/* timer valid una */
	u_long		smt_tvd ;		/* timer valid dna */
	u_long		smt_tid ;		/* transaction id */
	u_long		pend[SMT_MAX_TEST] ;	/* TID of requests */
	u_long		uniq_time ;		/* unique time stamp */
	u_short		uniq_ticks  ;		/* unique time stamp */
	u_short		please_reconnect ;	/* flag : reconnect */
	u_long		smt_last_lem ;
	u_long		smt_last_notify ;
	struct smt_timer	smt_timer ;	/* SMT NIF timer */
	u_long		last_tok_time[NUMMACS];	/* token cnt emulation */
} ;

/*
 * SMT/CMT configurable parameters
 */
#define SMT_DAS	0			/* dual attach */
#define SMT_SAS	1			/* single attach */
#define SMT_NAC	2			/* null attach concentrator */

struct smt_config {
	u_char	attach_s ;		/* CFM attach to secondary path */
	u_char	sas ;			/* SMT_DAS/SAS/NAC */
	u_char	build_ring_map ;	/* build ringmap if TRUE */
	u_char	numphys ;		/* number of active phys */
	u_char	sc_pad[1] ;

	u_long	pcm_tb_min ;		/* PCM : TB_Min timer value */
	u_long	pcm_tb_max ;		/* PCM : TB_Max timer value */
	u_long	pcm_c_min ;		/* PCM : C_Min timer value */
	u_long	pcm_t_out ;		/* PCM : T_Out timer value */
	u_long	pcm_tl_min ;		/* PCM : TL_min timer value */
	u_long	pcm_lc_short ;		/* PCM : LC_Short timer value */
	u_long	pcm_lc_medium ;		/* PCM : LC_Medium timer value */
	u_long	pcm_lc_long ;		/* PCM : LC_Long timer value */
	u_long	pcm_lc_extended ;	/* PCM : LC_Extended timer value */
	u_long	pcm_t_next_9 ;		/* PCM : T_Next[9] timer value */
	u_long	pcm_ns_max ;		/* PCM : NS_Max timer value */

	u_long	ecm_i_max ;		/* ECM : I_Max timer value */
	u_long	ecm_in_max ;		/* ECM : IN_Max timer value */
	u_long	ecm_td_min ;		/* ECM : TD_Min timer */
	u_long	ecm_test_done ;		/* ECM : path test done timer */
	u_long	ecm_check_poll ;	/* ECM : check bypass poller */

	u_long	rmt_t_non_op ;		/* RMT : T_Non_OP timer value */
	u_long	rmt_t_stuck ;		/* RMT : T_Stuck timer value */
	u_long	rmt_t_direct ;		/* RMT : T_Direct timer value */
	u_long	rmt_t_jam ;		/* RMT : T_Jam timer value */
	u_long	rmt_t_announce ;	/* RMT : T_Announce timer value */
	u_long	rmt_t_poll ;		/* RMT : claim/beacon poller */
	u_long  rmt_dup_mac_behavior ;  /* Flag for the beavior of SMT if
					 * a Duplicate MAC Address was detected.
					 * FALSE: SMT will leave finally the ring
					 * TRUE:  SMT will reinstert into the ring
					 */
	u_long	mac_d_max ;		/* MAC : D_Max timer value */

	u_long lct_short ;		/* LCT : error threshold */
	u_long lct_medium ;		/* LCT : error threshold */
	u_long lct_long ;		/* LCT : error threshold */
	u_long lct_extended ;		/* LCT : error threshold */
} ;

#ifdef	DEBUG
/*
 * Debugging struct sometimes used in smc
 */
struct	smt_debug {
	int	d_smtf ;
	int	d_smt ;
	int	d_ecm ;
	int	d_rmt ;
	int	d_cfm ;
	int	d_pcm ;
	int	d_plc ;
#ifdef	ESS
	int	d_ess ;
#endif
#ifdef	SBA
	int	d_sba ;
#endif
	struct	os_debug	d_os;	/* Include specific OS DEBUG struct */
} ;

#ifndef	DEBUG_BRD
/* all boards shall be debugged with one debug struct */
extern	struct	smt_debug	debug;	/* Declaration of debug struct */
#endif	/* DEBUG_BRD */

#endif	/* DEBUG */

/*
 * the SMT Context Struct SMC
 * this struct contains ALL global variables of SMT
 */
struct s_smc {
	struct s_smt_os	os ;		/* os specific */
	struct s_smt_hw	hw ;		/* hardware */

/*
 * NOTE: os and hw MUST BE the first two structs
 * anything beyond hw WILL BE SET TO ZERO in smt_set_defaults()
 */
	struct smt_config s ;		/* smt constants */
	struct smt_values sm ;		/* smt variables */
	struct s_ecm	e ;		/* ecm */
	struct s_rmt	r ;		/* rmt */
	struct s_cfm	cf ;		/* cfm/cem */
#ifdef	CONCENTRATOR
	struct s_cem	ce[NUMPHYS] ;	/* cem */
	struct s_c_ring	cr[NUMPHYS+NUMMACS] ;
#endif
	struct s_pcm	p ;		/* pcm */
	struct s_phy	y[NUMPHYS] ;	/* phy */
	struct s_queue	q ;		/* queue */
	struct s_timer	t ;		/* timer */
	struct s_srf srf ;		/* SRF */
	struct s_srf_evc evcs[6+NUMPHYS*4] ;
	struct fddi_mib	mib ;		/* __THE_MIB__ */
#ifdef	SBA
	struct s_sba	sba ;		/* SBA variables */
#endif
#ifdef	ESS
	struct s_ess	ess ;		/* Ess variables */
#endif
#if	defined(DEBUG) && defined(DEBUG_BRD)
	/* If you want all single board to be debugged separately */
	struct smt_debug	debug;	/* Declaration of debug struct */
#endif	/* DEBUG_BRD && DEBUG */
} ;

extern const struct fddi_addr fddi_broadcast;

void all_selection_criteria(struct s_smc *smc);
void card_stop(struct s_smc *smc);
void init_board(struct s_smc *smc, u_char *mac_addr);
int init_fplus(struct s_smc *smc);
void init_plc(struct s_smc *smc);
int init_smt(struct s_smc *smc, const u_char *mac_addr);
void mac1_irq(struct s_smc *smc, u_short stu, u_short stl);
void mac2_irq(struct s_smc *smc, u_short code_s2u, u_short code_s2l);
void mac3_irq(struct s_smc *smc, u_short code_s3u, u_short code_s3l);
int pcm_status_twisted(struct s_smc *smc);
void plc1_irq(struct s_smc *smc);
void plc2_irq(struct s_smc *smc);
void read_address(struct s_smc *smc, u_char *mac_addr);
void timer_irq(struct s_smc *smc);

#endif	/* _SCMECM_ */