489 lines
14 KiB
C
489 lines
14 KiB
C
/******************************************************************************
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*
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* (C)Copyright 1998,1999 SysKonnect,
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* a business unit of Schneider & Koch & Co. Datensysteme GmbH.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* The information in this file is provided "AS IS" without warranty.
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*
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******************************************************************************/
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#ifndef _SCMECM_
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#define _SCMECM_
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#if defined(PCI) && !defined(OSDEF)
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/*
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* In the case of the PCI bus the file osdef1st.h must be present
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*/
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#define OSDEF
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#endif
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#ifdef PCI
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#ifndef SUPERNET_3
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#define SUPERNET_3
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#endif
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#ifndef TAG_MODE
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#define TAG_MODE
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#endif
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#endif
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/*
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* include all other files in required order
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* the following files must have been included before:
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* types.h
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* fddi.h
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*/
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#ifdef OSDEF
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#include "h/osdef1st.h"
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#endif /* OSDEF */
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#ifdef OEM_CONCEPT
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#include "oemdef.h"
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#endif /* OEM_CONCEPT */
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#include "h/smt.h"
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#include "h/cmtdef.h"
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#include "h/fddimib.h"
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#include "h/targethw.h" /* all target hw dependencies */
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#include "h/targetos.h" /* all target os dependencies */
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#ifdef ESS
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#include "h/sba.h"
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#endif
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/*
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* Event Queue
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* queue.c
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* events are class/value pairs
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* class is addressee, e.g. RMT, PCM etc.
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* value is command, e.g. line state change, ring op change etc.
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*/
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struct event_queue {
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u_short class ; /* event class */
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u_short event ; /* event value */
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} ;
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/*
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* define event queue as circular buffer
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*/
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#ifdef CONCENTRATOR
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#define MAX_EVENT 128
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#else /* nCONCENTRATOR */
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#define MAX_EVENT 64
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#endif /* nCONCENTRATOR */
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struct s_queue {
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struct event_queue ev_queue[MAX_EVENT];
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struct event_queue *ev_put ;
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struct event_queue *ev_get ;
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} ;
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/*
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* ECM - Entity Coordination Management
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* ecm.c
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*/
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struct s_ecm {
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u_char path_test ; /* ECM path test variable */
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u_char sb_flag ; /* ECM stuck bypass */
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u_char DisconnectFlag ; /* jd 05-Aug-1999 Bug #10419
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* ECM disconnected */
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u_char ecm_line_state ; /* flag to dispatcher : line states */
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u_long trace_prop ; /* ECM Trace_Prop flag >= 16 bits !! */
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/* NUMPHYS note:
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* this variable must have enough bits to hold all entiies in
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* the station. So NUMPHYS may not be greater than 31.
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*/
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char ec_pad[2] ;
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struct smt_timer ecm_timer ; /* timer */
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} ;
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/*
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* RMT - Ring Management
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* rmt.c
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*/
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struct s_rmt {
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u_char dup_addr_test ; /* state of dupl. addr. test */
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u_char da_flag ; /* flag : duplicate address det. */
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u_char loop_avail ; /* flag : MAC available for loopback */
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u_char sm_ma_avail ; /* flag : MAC available for SMT */
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u_char no_flag ; /* flag : ring not operational */
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u_char bn_flag ; /* flag : MAC reached beacon state */
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u_char jm_flag ; /* flag : jamming in NON_OP_DUP */
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u_char rm_join ; /* CFM flag RM_Join */
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u_char rm_loop ; /* CFM flag RM_Loop */
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long fast_rm_join ; /* bit mask of active ports */
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/*
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* timer and flags
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*/
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struct smt_timer rmt_timer0 ; /* timer 0 */
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struct smt_timer rmt_timer1 ; /* timer 1 */
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struct smt_timer rmt_timer2 ; /* timer 2 */
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u_char timer0_exp ; /* flag : timer 0 expired */
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u_char timer1_exp ; /* flag : timer 1 expired */
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u_char timer2_exp ; /* flag : timer 2 expired */
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u_char rm_pad1[1] ;
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} ;
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/*
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* CFM - Configuration Management
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* cfm.c
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* used for SAS and DAS
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*/
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struct s_cfm {
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u_char cf_state; /* CFM state machine current state */
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u_char cf_pad[3] ;
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} ;
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/*
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* CEM - Configuration Element Management
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* cem.c
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* used for Concentrator
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*/
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#ifdef CONCENTRATOR
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struct s_cem {
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int ce_state ; /* CEM state */
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int ce_port ; /* PA PB PM PM+1 .. */
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int ce_type ; /* TA TB TS TM */
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} ;
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/*
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* linked list of CCEs in current token path
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*/
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struct s_c_ring {
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struct s_c_ring *c_next ;
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char c_entity ;
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} ;
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struct mib_path_config {
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u_long fddimibPATHConfigSMTIndex;
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u_long fddimibPATHConfigPATHIndex;
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u_long fddimibPATHConfigTokenOrder;
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u_long fddimibPATHConfigResourceType;
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#define SNMP_RES_TYPE_MAC 2 /* Resource is a MAC */
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#define SNMP_RES_TYPE_PORT 4 /* Resource is a PORT */
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u_long fddimibPATHConfigResourceIndex;
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u_long fddimibPATHConfigCurrentPath;
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#define SNMP_PATH_ISOLATED 1 /* Current path is isolated */
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#define SNMP_PATH_LOCAL 2 /* Current path is local */
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#define SNMP_PATH_SECONDARY 3 /* Current path is secondary */
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#define SNMP_PATH_PRIMARY 4 /* Current path is primary */
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#define SNMP_PATH_CONCATENATED 5 /* Current path is concatenated */
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#define SNMP_PATH_THRU 6 /* Current path is thru */
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};
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#endif
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/*
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* PCM connect states
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*/
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#define PCM_DISABLED 0
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#define PCM_CONNECTING 1
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#define PCM_STANDBY 2
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#define PCM_ACTIVE 3
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struct s_pcm {
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u_char pcm_pad[3] ;
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} ;
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/*
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* PHY struct
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* one per physical port
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*/
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struct s_phy {
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/* Inter Module Globals */
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struct fddi_mib_p *mib ;
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u_char np ; /* index 0 .. NUMPHYS */
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u_char cf_join ;
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u_char cf_loop ;
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u_char wc_flag ; /* withhold connection flag */
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u_char pc_mode ; /* Holds the negotiated mode of the PCM */
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u_char pc_lem_fail ; /* flag : LCT failed */
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u_char lc_test ;
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u_char scrub ; /* CFM flag Scrub -> PCM */
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char phy_name ;
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u_char pmd_type[2] ; /* SK connector/transceiver type codes */
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#define PMD_SK_CONN 0 /* pmd_type[PMD_SK_CONN] = Connector */
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#define PMD_SK_PMD 1 /* pmd_type[PMD_SK_PMD] = Xver */
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u_char pmd_scramble ; /* scrambler on/off */
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/* inner Module Globals */
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u_char curr_ls ; /* current line state */
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u_char ls_flag ;
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u_char rc_flag ;
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u_char tc_flag ;
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u_char td_flag ;
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u_char bitn ;
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u_char tr_flag ; /* trace recvd while in active */
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u_char twisted ; /* flag to indicate an A-A or B-B connection */
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u_char t_val[NUMBITS] ; /* transmit bits for signaling */
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u_char r_val[NUMBITS] ; /* receive bits for signaling */
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u_long t_next[NUMBITS] ;
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struct smt_timer pcm_timer0 ;
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struct smt_timer pcm_timer1 ;
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struct smt_timer pcm_timer2 ;
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u_char timer0_exp ;
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u_char timer1_exp ;
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u_char timer2_exp ;
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u_char pcm_pad1[1] ;
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int cem_pst ; /* CEM privae state; used for dual homing */
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struct lem_counter lem ;
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#ifdef AMDPLC
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struct s_plc plc ;
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#endif
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} ;
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/*
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* timer package
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* smttimer.c
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*/
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struct s_timer {
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struct smt_timer *st_queue ;
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struct smt_timer st_fast ;
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} ;
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/*
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* SRF types and data
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*/
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#define SMT_EVENT_BASE 1
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#define SMT_EVENT_MAC_PATH_CHANGE (SMT_EVENT_BASE+0)
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#define SMT_EVENT_MAC_NEIGHBOR_CHANGE (SMT_EVENT_BASE+1)
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#define SMT_EVENT_PORT_PATH_CHANGE (SMT_EVENT_BASE+2)
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#define SMT_EVENT_PORT_CONNECTION (SMT_EVENT_BASE+3)
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#define SMT_IS_CONDITION(x) ((x)>=SMT_COND_BASE)
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#define SMT_COND_BASE (SMT_EVENT_PORT_CONNECTION+1)
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#define SMT_COND_SMT_PEER_WRAP (SMT_COND_BASE+0)
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#define SMT_COND_SMT_HOLD (SMT_COND_BASE+1)
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#define SMT_COND_MAC_FRAME_ERROR (SMT_COND_BASE+2)
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#define SMT_COND_MAC_DUP_ADDR (SMT_COND_BASE+3)
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#define SMT_COND_MAC_NOT_COPIED (SMT_COND_BASE+4)
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#define SMT_COND_PORT_EB_ERROR (SMT_COND_BASE+5)
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#define SMT_COND_PORT_LER (SMT_COND_BASE+6)
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#define SR0_WAIT 0
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#define SR1_HOLDOFF 1
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#define SR2_DISABLED 2
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struct s_srf {
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u_long SRThreshold ; /* threshold value */
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u_char RT_Flag ; /* report transmitted flag */
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u_char sr_state ; /* state-machine */
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u_char any_report ; /* any report required */
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u_long TSR ; /* timer */
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u_short ring_status ; /* IBM ring status */
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} ;
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/*
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* IBM token ring status
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*/
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#define RS_RES15 (1<<15) /* reserved */
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#define RS_HARDERROR (1<<14) /* ring down */
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#define RS_SOFTERROR (1<<13) /* sent SRF */
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#define RS_BEACON (1<<12) /* transmitted beacon */
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#define RS_PATHTEST (1<<11) /* path test failed */
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#define RS_SELFTEST (1<<10) /* selftest required */
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#define RS_RES9 (1<< 9) /* reserved */
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#define RS_DISCONNECT (1<< 8) /* remote disconnect */
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#define RS_RES7 (1<< 7) /* reserved */
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#define RS_DUPADDR (1<< 6) /* duplicate address */
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#define RS_NORINGOP (1<< 5) /* no ring op */
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#define RS_VERSION (1<< 4) /* SMT version mismatch */
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#define RS_STUCKBYPASSS (1<< 3) /* stuck bypass */
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#define RS_EVENT (1<< 2) /* FDDI event occurred */
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#define RS_RINGOPCHANGE (1<< 1) /* ring op changed */
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#define RS_RES0 (1<< 0) /* reserved */
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#define RS_SET(smc,bit) \
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ring_status_indication(smc,smc->srf.ring_status |= bit)
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#define RS_CLEAR(smc,bit) \
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ring_status_indication(smc,smc->srf.ring_status &= ~bit)
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#define RS_CLEAR_EVENT (0xffff & ~(RS_NORINGOP))
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/* Define the AIX-event-Notification as null function if it isn't defined */
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/* in the targetos.h file */
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#ifndef AIX_EVENT
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#define AIX_EVENT(smc,opt0,opt1,opt2,opt3) /* nothing */
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#endif
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struct s_srf_evc {
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u_char evc_code ; /* event code type */
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u_char evc_index ; /* index for mult. instances */
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u_char evc_rep_required ; /* report required */
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u_short evc_para ; /* SMT Para Number */
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u_char *evc_cond_state ; /* condition state */
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u_char *evc_multiple ; /* multiple occurrence */
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} ;
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/*
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* Values used by frame based services
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* smt.c
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*/
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#define SMT_MAX_TEST 5
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#define SMT_TID_NIF 0 /* pending NIF request */
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#define SMT_TID_NIF_TEST 1 /* pending NIF test */
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#define SMT_TID_ECF_UNA 2 /* pending ECF UNA test */
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#define SMT_TID_ECF_DNA 3 /* pending ECF DNA test */
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#define SMT_TID_ECF 4 /* pending ECF test */
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struct smt_values {
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u_long smt_tvu ; /* timer valid una */
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u_long smt_tvd ; /* timer valid dna */
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u_long smt_tid ; /* transaction id */
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u_long pend[SMT_MAX_TEST] ; /* TID of requests */
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u_long uniq_time ; /* unique time stamp */
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u_short uniq_ticks ; /* unique time stamp */
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u_short please_reconnect ; /* flag : reconnect */
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u_long smt_last_lem ;
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u_long smt_last_notify ;
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struct smt_timer smt_timer ; /* SMT NIF timer */
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u_long last_tok_time[NUMMACS]; /* token cnt emulation */
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} ;
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/*
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* SMT/CMT configurable parameters
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*/
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#define SMT_DAS 0 /* dual attach */
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#define SMT_SAS 1 /* single attach */
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#define SMT_NAC 2 /* null attach concentrator */
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struct smt_config {
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u_char attach_s ; /* CFM attach to secondary path */
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u_char sas ; /* SMT_DAS/SAS/NAC */
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u_char build_ring_map ; /* build ringmap if TRUE */
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u_char numphys ; /* number of active phys */
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u_char sc_pad[1] ;
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u_long pcm_tb_min ; /* PCM : TB_Min timer value */
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u_long pcm_tb_max ; /* PCM : TB_Max timer value */
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u_long pcm_c_min ; /* PCM : C_Min timer value */
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u_long pcm_t_out ; /* PCM : T_Out timer value */
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u_long pcm_tl_min ; /* PCM : TL_min timer value */
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u_long pcm_lc_short ; /* PCM : LC_Short timer value */
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u_long pcm_lc_medium ; /* PCM : LC_Medium timer value */
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u_long pcm_lc_long ; /* PCM : LC_Long timer value */
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u_long pcm_lc_extended ; /* PCM : LC_Extended timer value */
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u_long pcm_t_next_9 ; /* PCM : T_Next[9] timer value */
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u_long pcm_ns_max ; /* PCM : NS_Max timer value */
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u_long ecm_i_max ; /* ECM : I_Max timer value */
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u_long ecm_in_max ; /* ECM : IN_Max timer value */
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u_long ecm_td_min ; /* ECM : TD_Min timer */
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u_long ecm_test_done ; /* ECM : path test done timer */
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u_long ecm_check_poll ; /* ECM : check bypass poller */
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u_long rmt_t_non_op ; /* RMT : T_Non_OP timer value */
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u_long rmt_t_stuck ; /* RMT : T_Stuck timer value */
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u_long rmt_t_direct ; /* RMT : T_Direct timer value */
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u_long rmt_t_jam ; /* RMT : T_Jam timer value */
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u_long rmt_t_announce ; /* RMT : T_Announce timer value */
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u_long rmt_t_poll ; /* RMT : claim/beacon poller */
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u_long rmt_dup_mac_behavior ; /* Flag for the beavior of SMT if
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* a Duplicate MAC Address was detected.
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* FALSE: SMT will leave finaly the ring
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* TRUE: SMT will reinstert into the ring
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*/
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u_long mac_d_max ; /* MAC : D_Max timer value */
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u_long lct_short ; /* LCT : error threshhold */
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u_long lct_medium ; /* LCT : error threshhold */
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u_long lct_long ; /* LCT : error threshhold */
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u_long lct_extended ; /* LCT : error threshhold */
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} ;
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#ifdef DEBUG
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/*
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* Debugging struct sometimes used in smc
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*/
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struct smt_debug {
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int d_smtf ;
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int d_smt ;
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int d_ecm ;
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int d_rmt ;
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int d_cfm ;
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int d_pcm ;
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int d_plc ;
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#ifdef ESS
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int d_ess ;
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#endif
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#ifdef SBA
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int d_sba ;
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#endif
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struct os_debug d_os; /* Include specific OS DEBUG struct */
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} ;
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#ifndef DEBUG_BRD
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/* all boards shall be debugged with one debug struct */
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extern struct smt_debug debug; /* Declaration of debug struct */
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#endif /* DEBUG_BRD */
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#endif /* DEBUG */
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/*
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* the SMT Context Struct SMC
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* this struct contains ALL global variables of SMT
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*/
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struct s_smc {
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struct s_smt_os os ; /* os specific */
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struct s_smt_hw hw ; /* hardware */
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/*
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* NOTE: os and hw MUST BE the first two structs
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* anything beyond hw WILL BE SET TO ZERO in smt_set_defaults()
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*/
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struct smt_config s ; /* smt constants */
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struct smt_values sm ; /* smt variables */
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struct s_ecm e ; /* ecm */
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struct s_rmt r ; /* rmt */
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struct s_cfm cf ; /* cfm/cem */
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#ifdef CONCENTRATOR
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struct s_cem ce[NUMPHYS] ; /* cem */
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struct s_c_ring cr[NUMPHYS+NUMMACS] ;
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#endif
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struct s_pcm p ; /* pcm */
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struct s_phy y[NUMPHYS] ; /* phy */
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struct s_queue q ; /* queue */
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struct s_timer t ; /* timer */
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struct s_srf srf ; /* SRF */
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struct s_srf_evc evcs[6+NUMPHYS*4] ;
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struct fddi_mib mib ; /* __THE_MIB__ */
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#ifdef SBA
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struct s_sba sba ; /* SBA variables */
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#endif
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#ifdef ESS
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struct s_ess ess ; /* Ess variables */
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#endif
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#if defined(DEBUG) && defined(DEBUG_BRD)
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/* If you want all single board to be debugged separately */
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struct smt_debug debug; /* Declaration of debug struct */
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#endif /* DEBUG_BRD && DEBUG */
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} ;
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extern const struct fddi_addr fddi_broadcast;
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extern void all_selection_criteria(struct s_smc *smc);
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extern void card_stop(struct s_smc *smc);
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extern void init_board(struct s_smc *smc, u_char *mac_addr);
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extern int init_fplus(struct s_smc *smc);
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extern void init_plc(struct s_smc *smc);
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extern int init_smt(struct s_smc *smc, u_char * mac_addr);
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extern void mac1_irq(struct s_smc *smc, u_short stu, u_short stl);
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extern void mac2_irq(struct s_smc *smc, u_short code_s2u, u_short code_s2l);
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extern void mac3_irq(struct s_smc *smc, u_short code_s3u, u_short code_s3l);
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extern int pcm_status_twisted(struct s_smc *smc);
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extern void plc1_irq(struct s_smc *smc);
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extern void plc2_irq(struct s_smc *smc);
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extern void read_address(struct s_smc *smc, u_char * mac_addr);
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extern void timer_irq(struct s_smc *smc);
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#endif /* _SCMECM_ */
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