1/******************************************************************************
2 *
3 *	(C)Copyright 1998,1999 SysKonnect,
4 *	a business unit of Schneider & Koch & Co. Datensysteme GmbH.
5 *
6 *	This program is free software; you can redistribute it and/or modify
7 *	it under the terms of the GNU General Public License as published by
8 *	the Free Software Foundation; either version 2 of the License, or
9 *	(at your option) any later version.
10 *
11 *	The information in this file is provided "AS IS" without warranty.
12 *
13 ******************************************************************************/
14
15#ifndef	_SCMECM_
16#define _SCMECM_
17
18#if	defined(PCI) && !defined(OSDEF)
19/*
20 * In the case of the PCI bus the file osdef1st.h must be present
21 */
22#define	OSDEF
23#endif
24
25#ifdef	PCI
26#ifndef	SUPERNET_3
27#define	SUPERNET_3
28#endif
29#ifndef	TAG_MODE
30#define	TAG_MODE
31#endif
32#endif
33
34/*
35 * include all other files in required order
36 * the following files must have been included before:
37 *	types.h
38 *	fddi.h
39 */
40#ifdef	OSDEF
41#include "h/osdef1st.h"
42#endif	/* OSDEF */
43#ifdef	OEM_CONCEPT
44#include "oemdef.h"
45#endif	/* OEM_CONCEPT */
46#include "h/smt.h"
47#include "h/cmtdef.h"
48#include "h/fddimib.h"
49#include "h/targethw.h"		/* all target hw dependencies */
50#include "h/targetos.h"		/* all target os dependencies */
51#ifdef	ESS
52#include "h/sba.h"
53#endif
54
55/*
56 * Event Queue
57 *	queue.c
58 * events are class/value pairs
59 *	class	is addressee, e.g. RMT, PCM etc.
60 *	value	is command, e.g. line state change, ring op change etc.
61 */
62struct event_queue {
63	u_short	class ;			/* event class */
64	u_short	event ;			/* event value */
65} ;
66
67/*
68 * define event queue as circular buffer
69 */
70#ifdef	CONCENTRATOR
71#define MAX_EVENT	128
72#else	/* nCONCENTRATOR */
73#define MAX_EVENT	64
74#endif	/* nCONCENTRATOR */
75
76struct s_queue {
77
78	struct event_queue ev_queue[MAX_EVENT];
79	struct event_queue *ev_put ;
80	struct event_queue *ev_get ;
81} ;
82
83/*
84 * ECM - Entity Coordination Management
85 * ecm.c
86 */
87struct s_ecm {
88	u_char path_test ;		/* ECM path test variable */
89	u_char sb_flag ;		/* ECM stuck bypass */
90	u_char DisconnectFlag ;		/* jd 05-Aug-1999 Bug #10419
91					 * ECM disconnected */
92	u_char ecm_line_state ;		/* flag to dispatcher : line states */
93	u_long trace_prop ;		/* ECM Trace_Prop flag >= 16 bits !! */
94	/* NUMPHYS note:
95	 * this variable must have enough bits to hold all entiies in
96	 * the station. So NUMPHYS may not be greater than 31.
97	 */
98	char	ec_pad[2] ;
99	struct smt_timer ecm_timer ;	/* timer */
100} ;
101
102
103/*
104 * RMT - Ring Management
105 * rmt.c
106 */
107struct s_rmt {
108	u_char dup_addr_test ;		/* state of dupl. addr. test */
109	u_char da_flag ;		/* flag : duplicate address det. */
110	u_char loop_avail ;		/* flag : MAC available for loopback */
111	u_char sm_ma_avail ;		/* flag : MAC available for SMT */
112	u_char no_flag ;		/* flag : ring not operational */
113	u_char bn_flag ;		/* flag : MAC reached beacon state */
114	u_char jm_flag ;		/* flag : jamming in NON_OP_DUP */
115	u_char rm_join ;		/* CFM flag RM_Join */
116	u_char rm_loop ;		/* CFM flag RM_Loop */
117
118	long fast_rm_join ;		/* bit mask of active ports */
119	/*
120	 * timer and flags
121	 */
122	struct smt_timer rmt_timer0 ;	/* timer 0 */
123	struct smt_timer rmt_timer1 ;	/* timer 1 */
124	struct smt_timer rmt_timer2 ;	/* timer 2 */
125	u_char timer0_exp ;		/* flag : timer 0 expired */
126	u_char timer1_exp ;		/* flag : timer 1 expired */
127	u_char timer2_exp ;		/* flag : timer 2 expired */
128
129	u_char rm_pad1[1] ;
130} ;
131
132/*
133 * CFM - Configuration Management
134 * cfm.c
135 * used for SAS and DAS
136 */
137struct s_cfm {
138	u_char cf_state;		/* CFM state machine current state */
139	u_char cf_pad[3] ;
140} ;
141
142/*
143 * CEM - Configuration Element Management
144 * cem.c
145 * used for Concentrator
146 */
147#ifdef	CONCENTRATOR
148struct s_cem {
149	int	ce_state ;	/* CEM state */
150	int	ce_port ;	/* PA PB PM PM+1 .. */
151	int	ce_type ;	/* TA TB TS TM */
152} ;
153
154/*
155 * linked list of CCEs in current token path
156 */
157struct s_c_ring {
158	struct s_c_ring	*c_next ;
159	char		c_entity ;
160} ;
161
162struct mib_path_config {
163	u_long	fddimibPATHConfigSMTIndex;
164	u_long	fddimibPATHConfigPATHIndex;
165	u_long	fddimibPATHConfigTokenOrder;
166	u_long	fddimibPATHConfigResourceType;
167#define SNMP_RES_TYPE_MAC	2	/* Resource is a MAC */
168#define SNMP_RES_TYPE_PORT	4	/* Resource is a PORT */
169	u_long	fddimibPATHConfigResourceIndex;
170	u_long	fddimibPATHConfigCurrentPath;
171#define SNMP_PATH_ISOLATED	1	/* Current path is isolated */
172#define SNMP_PATH_LOCAL		2	/* Current path is local */
173#define SNMP_PATH_SECONDARY	3	/* Current path is secondary */
174#define SNMP_PATH_PRIMARY	4	/* Current path is primary */
175#define SNMP_PATH_CONCATENATED	5	/* Current path is concatenated */
176#define SNMP_PATH_THRU		6	/* Current path is thru */
177};
178
179
180#endif
181
182/*
183 * PCM connect states
184 */
185#define PCM_DISABLED	0
186#define PCM_CONNECTING	1
187#define PCM_STANDBY	2
188#define PCM_ACTIVE	3
189
190struct s_pcm {
191	u_char	pcm_pad[3] ;
192} ;
193
194/*
195 * PHY struct
196 * one per physical port
197 */
198struct s_phy {
199	/* Inter Module Globals */
200	struct fddi_mib_p	*mib ;
201
202	u_char np ;		/* index 0 .. NUMPHYS */
203	u_char cf_join ;
204	u_char cf_loop ;
205	u_char wc_flag ;	/* withhold connection flag */
206	u_char pc_mode ;	/* Holds the negotiated mode of the PCM */
207	u_char pc_lem_fail ;	/* flag : LCT failed */
208	u_char lc_test ;
209	u_char scrub ;		/* CFM flag Scrub -> PCM */
210	char phy_name ;
211	u_char pmd_type[2] ;	/* SK connector/transceiver type codes */
212#define PMD_SK_CONN	0	/* pmd_type[PMD_SK_CONN] = Connector */
213#define PMD_SK_PMD	1	/* pmd_type[PMD_SK_PMD] = Xver */
214	u_char pmd_scramble ;	/* scrambler on/off */
215
216	/* inner Module Globals */
217	u_char curr_ls ;	/* current line state */
218	u_char ls_flag ;
219	u_char rc_flag ;
220	u_char tc_flag ;
221	u_char td_flag ;
222	u_char bitn ;
223	u_char tr_flag ;	/* trace recvd while in active */
224	u_char twisted ;	/* flag to indicate an A-A or B-B connection */
225	u_char t_val[NUMBITS] ;	/* transmit bits for signaling */
226	u_char r_val[NUMBITS] ;	/* receive bits for signaling */
227	u_long t_next[NUMBITS] ;
228	struct smt_timer pcm_timer0 ;
229	struct smt_timer pcm_timer1 ;
230	struct smt_timer pcm_timer2 ;
231	u_char timer0_exp ;
232	u_char timer1_exp ;
233	u_char timer2_exp ;
234	u_char pcm_pad1[1] ;
235	int	cem_pst ;	/* CEM privae state; used for dual homing */
236	struct lem_counter lem ;
237#ifdef	AMDPLC
238	struct s_plc	plc ;
239#endif
240} ;
241
242/*
243 * timer package
244 * smttimer.c
245 */
246struct s_timer {
247	struct smt_timer	*st_queue ;
248	struct smt_timer	st_fast ;
249} ;
250
251/*
252 * SRF types and data
253 */
254#define SMT_EVENT_BASE			1
255#define SMT_EVENT_MAC_PATH_CHANGE	(SMT_EVENT_BASE+0)
256#define SMT_EVENT_MAC_NEIGHBOR_CHANGE	(SMT_EVENT_BASE+1)
257#define SMT_EVENT_PORT_PATH_CHANGE	(SMT_EVENT_BASE+2)
258#define SMT_EVENT_PORT_CONNECTION	(SMT_EVENT_BASE+3)
259
260#define SMT_IS_CONDITION(x)			((x)>=SMT_COND_BASE)
261
262#define SMT_COND_BASE		(SMT_EVENT_PORT_CONNECTION+1)
263#define SMT_COND_SMT_PEER_WRAP		(SMT_COND_BASE+0)
264#define SMT_COND_SMT_HOLD		(SMT_COND_BASE+1)
265#define SMT_COND_MAC_FRAME_ERROR	(SMT_COND_BASE+2)
266#define SMT_COND_MAC_DUP_ADDR		(SMT_COND_BASE+3)
267#define SMT_COND_MAC_NOT_COPIED		(SMT_COND_BASE+4)
268#define SMT_COND_PORT_EB_ERROR		(SMT_COND_BASE+5)
269#define SMT_COND_PORT_LER		(SMT_COND_BASE+6)
270
271#define SR0_WAIT	0
272#define SR1_HOLDOFF	1
273#define SR2_DISABLED	2
274
275struct s_srf {
276	u_long	SRThreshold ;			/* threshold value */
277	u_char	RT_Flag ;			/* report transmitted flag */
278	u_char	sr_state ;			/* state-machine */
279	u_char	any_report ;			/* any report required */
280	u_long	TSR ;				/* timer */
281	u_short	ring_status ;			/* IBM ring status */
282} ;
283
284/*
285 * IBM token ring status
286 */
287#define RS_RES15	(1<<15)			/* reserved */
288#define RS_HARDERROR	(1<<14)			/* ring down */
289#define RS_SOFTERROR	(1<<13)			/* sent SRF */
290#define RS_BEACON	(1<<12)			/* transmitted beacon */
291#define RS_PATHTEST	(1<<11)			/* path test failed */
292#define RS_SELFTEST	(1<<10)			/* selftest required */
293#define RS_RES9		(1<< 9)			/* reserved */
294#define RS_DISCONNECT	(1<< 8)			/* remote disconnect */
295#define RS_RES7		(1<< 7)			/* reserved */
296#define RS_DUPADDR	(1<< 6)			/* duplicate address */
297#define RS_NORINGOP	(1<< 5)			/* no ring op */
298#define RS_VERSION	(1<< 4)			/* SMT version mismatch */
299#define RS_STUCKBYPASSS	(1<< 3)			/* stuck bypass */
300#define RS_EVENT	(1<< 2)			/* FDDI event occurred */
301#define RS_RINGOPCHANGE	(1<< 1)			/* ring op changed */
302#define RS_RES0		(1<< 0)			/* reserved */
303
304#define RS_SET(smc,bit) \
305	ring_status_indication(smc,smc->srf.ring_status |= bit)
306#define RS_CLEAR(smc,bit)	\
307	ring_status_indication(smc,smc->srf.ring_status &= ~bit)
308
309#define RS_CLEAR_EVENT	(0xffff & ~(RS_NORINGOP))
310
311/* Define the AIX-event-Notification as null function if it isn't defined */
312/* in the targetos.h file */
313#ifndef AIX_EVENT
314#define AIX_EVENT(smc,opt0,opt1,opt2,opt3)	/* nothing */
315#endif
316
317struct s_srf_evc {
318	u_char	evc_code ;			/* event code type */
319	u_char	evc_index ;			/* index for mult. instances */
320	u_char	evc_rep_required ;		/* report required */
321	u_short	evc_para ;			/* SMT Para Number */
322	u_char	*evc_cond_state ;		/* condition state */
323	u_char	*evc_multiple ;			/* multiple occurrence */
324} ;
325
326/*
327 * Values used by frame based services
328 * smt.c
329 */
330#define SMT_MAX_TEST		5
331#define SMT_TID_NIF		0		/* pending NIF request */
332#define SMT_TID_NIF_TEST	1		/* pending NIF test */
333#define SMT_TID_ECF_UNA		2		/* pending ECF UNA test */
334#define SMT_TID_ECF_DNA		3		/* pending ECF DNA test */
335#define SMT_TID_ECF		4		/* pending ECF test */
336
337struct smt_values {
338	u_long		smt_tvu ;		/* timer valid una */
339	u_long		smt_tvd ;		/* timer valid dna */
340	u_long		smt_tid ;		/* transaction id */
341	u_long		pend[SMT_MAX_TEST] ;	/* TID of requests */
342	u_long		uniq_time ;		/* unique time stamp */
343	u_short		uniq_ticks  ;		/* unique time stamp */
344	u_short		please_reconnect ;	/* flag : reconnect */
345	u_long		smt_last_lem ;
346	u_long		smt_last_notify ;
347	struct smt_timer	smt_timer ;	/* SMT NIF timer */
348	u_long		last_tok_time[NUMMACS];	/* token cnt emulation */
349} ;
350
351/*
352 * SMT/CMT configurable parameters
353 */
354#define SMT_DAS	0			/* dual attach */
355#define SMT_SAS	1			/* single attach */
356#define SMT_NAC	2			/* null attach concentrator */
357
358struct smt_config {
359	u_char	attach_s ;		/* CFM attach to secondary path */
360	u_char	sas ;			/* SMT_DAS/SAS/NAC */
361	u_char	build_ring_map ;	/* build ringmap if TRUE */
362	u_char	numphys ;		/* number of active phys */
363	u_char	sc_pad[1] ;
364
365	u_long	pcm_tb_min ;		/* PCM : TB_Min timer value */
366	u_long	pcm_tb_max ;		/* PCM : TB_Max timer value */
367	u_long	pcm_c_min ;		/* PCM : C_Min timer value */
368	u_long	pcm_t_out ;		/* PCM : T_Out timer value */
369	u_long	pcm_tl_min ;		/* PCM : TL_min timer value */
370	u_long	pcm_lc_short ;		/* PCM : LC_Short timer value */
371	u_long	pcm_lc_medium ;		/* PCM : LC_Medium timer value */
372	u_long	pcm_lc_long ;		/* PCM : LC_Long timer value */
373	u_long	pcm_lc_extended ;	/* PCM : LC_Extended timer value */
374	u_long	pcm_t_next_9 ;		/* PCM : T_Next[9] timer value */
375	u_long	pcm_ns_max ;		/* PCM : NS_Max timer value */
376
377	u_long	ecm_i_max ;		/* ECM : I_Max timer value */
378	u_long	ecm_in_max ;		/* ECM : IN_Max timer value */
379	u_long	ecm_td_min ;		/* ECM : TD_Min timer */
380	u_long	ecm_test_done ;		/* ECM : path test done timer */
381	u_long	ecm_check_poll ;	/* ECM : check bypass poller */
382
383	u_long	rmt_t_non_op ;		/* RMT : T_Non_OP timer value */
384	u_long	rmt_t_stuck ;		/* RMT : T_Stuck timer value */
385	u_long	rmt_t_direct ;		/* RMT : T_Direct timer value */
386	u_long	rmt_t_jam ;		/* RMT : T_Jam timer value */
387	u_long	rmt_t_announce ;	/* RMT : T_Announce timer value */
388	u_long	rmt_t_poll ;		/* RMT : claim/beacon poller */
389	u_long  rmt_dup_mac_behavior ;  /* Flag for the beavior of SMT if
390					 * a Duplicate MAC Address was detected.
391					 * FALSE: SMT will leave finaly the ring
392					 * TRUE:  SMT will reinstert into the ring
393					 */
394	u_long	mac_d_max ;		/* MAC : D_Max timer value */
395
396	u_long lct_short ;		/* LCT : error threshhold */
397	u_long lct_medium ;		/* LCT : error threshhold */
398	u_long lct_long ;		/* LCT : error threshhold */
399	u_long lct_extended ;		/* LCT : error threshhold */
400} ;
401
402#ifdef	DEBUG
403/*
404 * Debugging struct sometimes used in smc
405 */
406struct	smt_debug {
407	int	d_smtf ;
408	int	d_smt ;
409	int	d_ecm ;
410	int	d_rmt ;
411	int	d_cfm ;
412	int	d_pcm ;
413	int	d_plc ;
414#ifdef	ESS
415	int	d_ess ;
416#endif
417#ifdef	SBA
418	int	d_sba ;
419#endif
420	struct	os_debug	d_os;	/* Include specific OS DEBUG struct */
421} ;
422
423#ifndef	DEBUG_BRD
424/* all boards shall be debugged with one debug struct */
425extern	struct	smt_debug	debug;	/* Declaration of debug struct */
426#endif	/* DEBUG_BRD */
427
428#endif	/* DEBUG */
429
430/*
431 * the SMT Context Struct SMC
432 * this struct contains ALL global variables of SMT
433 */
434struct s_smc {
435	struct s_smt_os	os ;		/* os specific */
436	struct s_smt_hw	hw ;		/* hardware */
437
438/*
439 * NOTE: os and hw MUST BE the first two structs
440 * anything beyond hw WILL BE SET TO ZERO in smt_set_defaults()
441 */
442	struct smt_config s ;		/* smt constants */
443	struct smt_values sm ;		/* smt variables */
444	struct s_ecm	e ;		/* ecm */
445	struct s_rmt	r ;		/* rmt */
446	struct s_cfm	cf ;		/* cfm/cem */
447#ifdef	CONCENTRATOR
448	struct s_cem	ce[NUMPHYS] ;	/* cem */
449	struct s_c_ring	cr[NUMPHYS+NUMMACS] ;
450#endif
451	struct s_pcm	p ;		/* pcm */
452	struct s_phy	y[NUMPHYS] ;	/* phy */
453	struct s_queue	q ;		/* queue */
454	struct s_timer	t ;		/* timer */
455	struct s_srf srf ;		/* SRF */
456	struct s_srf_evc evcs[6+NUMPHYS*4] ;
457	struct fddi_mib	mib ;		/* __THE_MIB__ */
458#ifdef	SBA
459	struct s_sba	sba ;		/* SBA variables */
460#endif
461#ifdef	ESS
462	struct s_ess	ess ;		/* Ess variables */
463#endif
464#if	defined(DEBUG) && defined(DEBUG_BRD)
465	/* If you want all single board to be debugged separately */
466	struct smt_debug	debug;	/* Declaration of debug struct */
467#endif	/* DEBUG_BRD && DEBUG */
468} ;
469
470#endif	/* _SCMECM_ */
471