85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
#ifndef _ISDN_2
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#define _ISDN_2
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#include "config.h"
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#include <sys/types.h>
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#include <sys/param.h>
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#include "x75lib.h"
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#include "smallq.h"
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#include "isdn_limits.h"
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#include "msgtype.h"
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/* D channel state machine. */
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typedef struct _isdn2_state {
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struct _isdn2_state *next;
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struct _isdn2_card *card;
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uchar_t SAPI;
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#ifdef DO_MULTI_TEI
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uchar_t bchan;
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#endif
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struct _x75 state;
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} *isdn2_state;
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enum M_state {
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M_free, M_blocked, M_D_ctl, M_D_conn, M_B_conn,
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};
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typedef struct _isdn2_chan {
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queue_t *qptr; /* read queue (i.e. going up) for Streams */
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struct _isdn2_card *card; /* NULL if not assigned to a card */
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#if 0
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struct _isdn_chan *chan; /* B channel: data buffer */
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#endif
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mblk_t *bufx;
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#ifdef NEW_TIMEOUT
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int timer_unblock;
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#endif
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int oflag; /* status flag when opening (O_NDELAY ??) */
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int dev;
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enum M_state status;
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uchar_t channel; /* Bi / Dconn */
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} *isdn2_chan;
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enum C_state {
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C_down, /* Link is down */
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C_await_up, /* Link going up */
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C_await_down, /* Link going down */
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C_up, /* Link up */
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C_lock_up, /* Link up, locked because the wire
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doesn't want to stay down */
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C_wont_down, /* Link doesn't go down, eg because the bus
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* is in use */
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C_wont_up, /* Link doesn't go up, eg. because the card
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* isn't connected */
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};
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/* internal data, one per card */
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typedef struct _isdn2_card {
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struct _isdn1_card *card;
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struct _isdn2_card *next;
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struct _isdn2_chan *chan[MAXCHAN+1]; /* pointer to B/D channels */
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#ifdef DO_MULTI_TEI
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struct _isdn2_state *state[MAX_B];
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#else
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struct _isdn2_state *state[1]; /* attached state machines */
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#endif
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#ifdef NEW_TIMEOUT
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int timer_not_up;
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int timer_takedown;
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#endif
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long id;
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enum C_state status; /* physical link state */
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#ifdef DO_MULTI_TEI
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uchar_t TEI[MAX_B];
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uchar_t bchan;
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#else
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uchar_t TEI[1];
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#endif
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uchar_t nr;
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int timedown:1;
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int timeup:1;
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int offline:1; /* temporarily off -- no cable */
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} *isdn2_card;
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#endif /* _ISDN_2 */
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